Domestic sewage treatment equipment

The integrated sewage treatment equipment is a complete set of organic wastewater treatment device developed by our company, which integrates the removal of BOD5, COD, and NH3-N. It has stable and reliable technical performance, good treatment effect, low investment, automated operation, easy maintenance and operation, does not occupy surface area, does not require building, and does not require heating and insulation. Flowers and grass can be planted on the ground without affecting the surrounding environment.
It can adopt structures such as fiberglass, carbon steel anti-corrosion, stainless steel, etc., which have excellent characteristics such as resistance to corrosion and aging, and have a long service life;
The complete set of equipment is simple to construct and easy to operate. All mechanical equipment is automatically controlled, and all devices can be installed below the surface.

Wastewater → pretreatment → biochemical method → secondary sedimentation tank → disinfection → effluent → sludge treatment pretreatment, also known as pretreatment technology, commonly includes grids or grids, regulating tanks, sedimentation tanks, primary sedimentation tanks, etc. Due to the fact that the core of domestic sewage treatment is the biochemical part, we refer to sewage treatment processes specifically for this part, such as contact oxidation method, SBR method, A/0 method, etc. The current sewage treatment process for treating domestic sewage using biochemical methods (including anaerobic and aerobic) has a decisive impact on investment and operating costs, depending on the amount, quality, and on-site conditions of the domestic sewage.
It is necessary to compare process schemes (mainly biological treatment schemes) according to local conditions in order to reduce investment and operating costs. Compare multiple process options, including investment costs, operating costs, land area, effluent quality, and post management, and make systematic comparisons to select suitable processes according to local conditions. Application in domestic sewage: With the continuous improvement of water treatment technology in China, the application of A0 and MBR processes has become increasingly widespread in recent years. Occupation area and total tank capacity: The oxidation ditch and SBR process occupy a larger area, while the AO and MBR processes occupy a smaller area. Investment cost: Compared to other processes, the investment cost for oxidation ditch and SBR is lower for AO, while the cost of MBR is relatively higher. The price of MBR varies greatly depending on the type of membrane used (using domestic membranes, the total investment is about 40% higher than ordinary processes, while imported membranes are 80% higher). Operating costs and management: SBR requires a high degree of automation; The automation level of oxidation ditch is relatively low; MBR backwashing and other processes are difficult to automate and require manual operation, resulting in higher labor costs; Considering daily operating costs solely based on labor costs, electricity costs, and medication costs, the AO is relatively low; If depreciation costs are considered and MBR maintenance and replacement costs are high, then its operating costs are high. Effluent quality: MBR process effluent quality is good, can meet reuse standards, has high impact load resistance, and operates stably. Each process technology has its own advantages, characteristics, applicable conditions, and shortcomings, and it is impossible to replace all other processes with one process. Therefore, appropriate choices should be made based on the site.
At the same time, in order to reduce investment and operating costs, ensure effluent quality, and based on the principles of technical rationality, economic viability, convenient management, reliable operation, and favorable combination of short and long term, the process plan is optimized and selected.

compact footprint

It can be located below the frozen layer or above the ground equipment, and the ground surface can be used for greening or other purposes;

Adaptable

Strong adaptability to water quality, good shock load resistance, stable effluent quality without sludge expansion;

Low mud production

The biological contact oxidation method used in the biochemical tank produces less sludge, requiring only 3 to 6 months of sludge discharge;

High altitude exhaust

Adopting conventional high-altitude exhaust and equipped with soil deodorization measures;

Easy maintenance

Usually, there is no need for dedicated management, only timely maintenance and upkeep of the equipment is required.

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Domestic sewage treatment at a school in Henan province

Rural domestic sewage treatment in Dezhou, Shandong Province

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