Tangshan Zhaosheng Environmental Equipment Co., Ltd.

Hand in Hand, We Forge Ahead

Rooted in Our Original Mission

Custom Fabrication & Installation Services

Environmental Equipment

Integrated Wastewater Treatment Equipment

Integrated Wastewater Units

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<h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Application</h2><p>Buried integrated wastewater treatment equipment is applicable to domestic sewage treatment and similar industrial organic wastewater treatment for residential quarters, restaurants, hotels, sanatoriums, schools, mines, factories, slaughterhouses and other sites.</p><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Brief Introduction</h2><p>Based on years of operation experience of domestic and foreign domestic sewage treatment facilities, combined with our independent technological achievements and engineering practice, our company developed the WSZ series buried complete organic wastewater treatment units mainly made of anti-corrosion carbon steel.Its core function is to treat domestic sewage and analogous industrial organic wastewater to meet customer-specified discharge standards. The equipment is widely used for domestic sewage treatment in residential communities (villa zones included), high-end hotels, hospitals, slaughterhouses, office buildings and all kinds of public constructions. The treated effluent complies with national discharge standards. The whole set can be completely buried underground.Adopting internationally advanced biological treatment technology, our buried domestic sewage treatment unit removes BOD5, COD and ammonia nitrogen simultaneously. It features stable and reliable performance, excellent treatment effect, low investment, small floor area and easy maintenance. We can also equip reclaimed water reuse devices as per customer demands.The equipment complies with Class I Standard of the Second Pollutants specified in GB8978-1996.</p><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Equipment Features</h2><ol style="font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;" class=" list-paddingleft-2"><li><p>The whole unit can be buried under the ground; the ground above can be used for greening or other purposes. No workshop, heating or thermal insulation facilities are required.</p></li><li><p>Fully automatic control system with unattended operation; no sludge recirculation, simple operation and easy maintenance.</p></li><li><p>Equipped with an automatic electrical control system for safe and stable operation; only regular routine maintenance is required without full-time operators.</p></li><li><p>Low noise, odor-free and long service life.</p></li></ol><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Working Principle</h2><p>Buried wastewater treatment equipment is a modular high-efficiency biological wastewater treatment system dominated by biofilm purification.It fully leverages the strengths of biofilm reactors such as anaerobic biofilter and contact oxidation tank: high biomass concentration, strong pollution resistance, low power consumption, stable operation and convenient maintenance, granting the system broad application and promotion prospects.</p><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Process Description</h2><p>The equipment is designed for domestic sewage and similar industrial organic wastewater, adopting mature biochemical technology — biological contact oxidation process as core treatment method.Design influent index: average BOD5 of 200 mg/L; design effluent BOD5: 20 mg/L.The unit consists of six functional sections:(1) Primary Sedimentation Tank(2) Contact Oxidation Tank(3) Secondary Sedimentation Tank(4) Disinfection Tank & Disinfection Device(5) Sludge Tank(6) Blower Room & Blowers</p><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Advantages & Disadvantages</h2><h3 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Advantages</h3><p>There are multiple buried wastewater treatment processes. Under the premise of qualified effluent, the prominent merits are as follows:</p><ol style="font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;" class=" list-paddingleft-2"><li><p>The unit is buried underground, and greening can be arranged on the ground for good landscape effect.</p></li><li><p>Generally no full-time operator is required.</p></li><li><p>Small land occupation; parking lots or other facilities can be built above the equipment without constructing special workshops.</p></li></ol><h3 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Disadvantages</h3><ol style="font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;" class=" list-paddingleft-2"><li><p>Inconvenient maintenance. It is troublesome to inspect and replace components once equipment failure occurs, which is a common concern of project owners.</p></li><li><p>Strict environmental adaption measures are needed: anti-freezing protection in winter and flood prevention in summer. Deeper burial depth and extra thermal insulation are required for northern regions.</p></li></ol><h2 style="font: 400 16px / 24px ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">Notes</h2><p>Buried equipment is mainly manufactured of two materials: fiberglass reinforced plastic (FRP) and carbon steel. Customers shall clarify the material type when placing orders.With identical process and other parameters, different materials lead to obvious price differences.</p><p><br/></p>