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通沟污泥处理装置
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各种水处理填料
通沟污泥喂料装置
通沟污泥处理装置
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<p style=";line-height:26px"><span style="font-size: 16px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p>
通沟污泥处理装置
通沟污泥处理装置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p>
通沟污泥处理装置
通沟污泥处理装置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p><p><br/></p>
通沟污泥处理装置
通沟污泥处理装置
市场价:
¥0.00
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p><p><br/></p>
通沟污泥处理装置
通沟污泥处理装置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p><p><br/></p>
通沟污泥处理装置
通沟污泥处理装置
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<p style=";line-height:26px"><span style="font-size: 14px;"><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">简介</span><br/><span style="font-size: 14px; font-family: 宋体;">为了保持排水管网运行畅通,需要定时清捞管道中沉积的大量垃圾,这些垃圾统称为排水管渠污泥,俗称</span><span style="font-size: 14px; font-family: Arial;">“</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span><span style="font-size: 14px; font-family: Arial;">”</span></span><span style="font-family: 宋体; font-size: 12px;">亦称</span><span style="font-family: Arial; font-size: 12px;">”</span><span style="font-family: 宋体; font-size: 12px;">排水管渠污泥</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: Arial;">”</span><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理现状</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">是排水管道养护中疏通清捞出来的沉积物,特性复杂,是生活垃圾、渣土、砂石、有机污泥和污水的混合物。城市管网中的通沟污泥</span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">如不及时清理,既容易造成排水管道排水不畅、引发积水和污水冒溢的问题,又会造成沉积在管道内的淤泥雨天随雨水进入河道造成严重的污染事件,危害极大。</span> <span style="font-size: 14px; font-family: 宋体;">随着人们对排水管道养护工作的日益重视,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的数量也日趋增加。大量</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-size: 14px; font-family: 宋体;">的存放、处置是个棘手的问题。当前做法是采取清淘后,在附近绿地内晾晒,然后直接送入垃圾填埋场填埋处置。这种处理方式不但影响管网周边绿地的环境,同时由于</span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">成分复杂,含水率变化大,垃圾填埋场逐步拒绝接收此部分污泥的直接进入。随着城市管网的不断建设,沟泥日产量将大大增多,由此带来的处置矛盾进一步加剧,寻找新的沟泥处置措施迫在眉睫。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">主要设备</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理中采用的主要设备有:</span>1<span style="font-size: 14px; font-family: 宋体;">)喂料装置,负责</span></span><span style="font-family: 宋体; font-size: 12px;">原始通沟污泥(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">定量输送;</span>2<span style="font-size: 14px; font-family: 宋体;">)洗涤转鼓装置,负责分离通沟污泥中</span><span style="font-size: 14px; font-family: Arial;">>6~10mm</span></span><span style="font-family: 宋体; font-size: 12px;">左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">的粗大物质;</span>3<span style="font-size: 14px; font-family: 宋体;">)洗砂装置,负责分选出</span><span style="font-size: 14px; font-family: Arial;">0.2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的细砂砾,去除率可达</span><span style="font-size: 14px; font-family: Arial;">90%</span><span style="font-size: 14px; font-family: 宋体;">以上,洗出的砂砾有机烧失小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">;</span><span style="font-size: 14px; font-family: Arial;">4</span><span style="font-size: 14px; font-family: 宋体;">)精细过滤装置,负责筛分</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span><span style="font-size: 14px; font-family: Arial;">5</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">细砂沉淀器</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">,通过高效沉淀分离污泥中的砂砾和油脂,将</span>> 0.075 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾沉降分离;</span><span style="font-size: 14px; font-family: Arial;">6</span><span style="font-size: 14px; font-family: 宋体;">)超细砂洗砂分砂装置,负责分选出</span></span><span style="font-family: 宋体; font-size: 12px;">通沟污泥(管渠污泥)中</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂,有机烧失率小于</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">,</span><span style="font-size: 14px; font-family: Arial;">8</span><span style="font-size: 14px; font-family: 宋体;">)螺压脱水机,负责后续污泥的脱水处理,可将污泥的含固率提升到</span><span style="font-size: 14px; font-family: Arial;">18~24%</span><span style="font-size: 14px; font-family: 宋体;">。</span><span style="font-size: 14px; font-family: Arial;">9</span><span style="font-size: 14px; font-family: 宋体;">)</span></span><span style="font-family: 宋体; font-size: 12px;">回用水机</span><span style="font-size: 14px; font-family: 宋体;">,负责</span><span style="font-family: 宋体; font-size: 12px;">冲洗水回用处置,减少系统运行时的排污量,每日节约用水约</span><span style="font-family: Arial; font-size: 12px;">500</span><span style="font-family: 宋体; font-size: 12px;">吨左右</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">解决方案</span><br/><span style="font-size: 14px; font-family: 宋体;">通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">干固体中有机质含量较低,其平均含量约为</span>17.2%<span style="font-size: 14px; font-family: 宋体;">,而无机质 </span><span style="font-size: 14px; font-family: Arial;">(</span><span style="font-size: 14px; font-family: 宋体;">灰分</span><span style="font-size: 14px; font-family: Arial;">) </span><span style="font-size: 14px; font-family: 宋体;">的含量占到了</span><span style="font-size: 14px; font-family: Arial;">82.8%</span><span style="font-size: 14px; font-family: 宋体;">,这说明通沟污泥中无机成分多于有机成分,不可燃成分多于可燃成分。通沟污泥含水率为</span><span style="font-size: 14px; font-family: Arial;">70</span><span style="font-size: 14px; font-family: 宋体;">%左右,</span><span style="font-size: 14px; font-family: Arial;">pH</span><span style="font-size: 14px; font-family: 宋体;">值在</span><span style="font-size: 14px; font-family: Arial;">7.1</span><span style="font-size: 14px; font-family: 宋体;">至</span><span style="font-size: 14px; font-family: Arial;">8.5</span><span style="font-size: 14px; font-family: 宋体;">之间,平均值在</span><span style="font-size: 14px; font-family: Arial;">8.0</span><span style="font-size: 14px; font-family: 宋体;">左右。因此,通沟污泥</span></span><span style="font-family: 宋体; font-size: 12px;">(管渠污泥)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">处理的核心是对其进行分选,</span> <span style="font-size: 14px; font-family: 宋体;">通过筛分、洗涤和过滤等预处理手段,将其分为粗大垃圾、砂砾、有机颗粒以及污水</span></span><span style="font-family: 宋体; font-size: 12px;">(可回收利用)</span><span style="font-family: Arial; font-size: 12px;"><span style="font-size: 14px; font-family: 宋体;">四部分,以备进一步处理。</span> <span style="font-size: 14px; font-family: 宋体;">粗大垃圾经分离后转到垃圾处理部门进一步处理处置和回收利用;粒径为</span>0.075 ~ 6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾洗涤后,有机质含量可降至</span><span style="font-size: 14px; font-family: Arial;">3%</span><span style="font-size: 14px; font-family: 宋体;">以下,可作为低档建筑材料回收利用;分离的</span><span style="font-size: 14px; font-family: Arial;">2~6 mm</span><span style="font-size: 14px; font-family: 宋体;">的有机栅渣可用于污泥堆肥;滤出的污水可通过管道重新输送至污水处理厂进行处理,也可进一步去除污水中的有机物颗粒以作为通沟污泥处理工艺的设备冲洗水;分离出的污泥可直接脱水后外运处置。</span><br/><span style="font-size: 14px; font-family: Arial;">•</span><span style="font-size: 14px; font-family: 宋体;">筛分物</span><br/></span><span style="font-family: 宋体; font-size: 12px;">筛分产物分为五级</span><span style="font-size: 14px; font-family: 宋体;">:</span><span style="font-family: 宋体; font-size: 12px;">**级为:</span><span style="font-family: Arial; font-size: 12px;">>100 mm<span style="font-size: 14px; font-family: 宋体;">的大块物质;</span></span><span style="font-family: 宋体; font-size: 12px;">第二级为:</span><span style="font-family: Arial; font-size: 12px;">>6 mm<span style="font-size: 14px; font-family: 宋体;">的粗大颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第三级为:</span><span style="font-family: Arial; font-size: 12px;">2~6 mm<span style="font-size: 14px; font-family: 宋体;">的有机颗粒;</span></span><span style="font-family: 宋体; font-size: 12px;">第四级为:</span><span style="font-family: Arial; font-size: 12px;">0.2~6 mm<span style="font-size: 14px; font-family: 宋体;">的砂砾;</span></span><span style="font-family: 宋体; font-size: 12px;">第五级为:</span><span style="font-family: Arial; font-size: 12px;">0.075~0.2 mm<span style="font-size: 14px; font-family: 宋体;">的超细砂砾</span></span><span style="font-family: 宋体; font-size: 12px;">。污水通过回用装置处理后再循环利用,废气通过除臭系统处置后达标排放。</span></span></p>
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