Low-cost environment-friendly domestic sewage treatment system

A domestic sewage and treatment system technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as high cost and poor sewage treatment effect, and reduce treatment Low cost, low operating cost, reduced investment and land occupation

Pending Publication Date: 2022-07-29
周占康
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the cost of the existing domestic AAO treatment process is relatively high, and the sewage treatment effect is not good.

Method used

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  • Low-cost environment-friendly domestic sewage treatment system

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] see figure 1 , The present invention provides a low-cost and environmentally friendly domestic sewage treatment system, including a grid collecting tank 1, a regulating tank 2, a hydrolysis tank 3, an STBBR tank 4, a microfiltration plant unit 5, a composite wetland unit 6, a clear water tank 7 and a sewage tank. Mud pool 8, the input end of the grid collecting pool 1 is connected to the domestic sewage inlet pipe, and the out...

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Abstract

The invention discloses a low-cost environment-friendly domestic sewage treatment system, which comprises a grating water collecting tank, an adjusting tank, a hydrolysis tank, an STBBR tank, a microfiltration plant unit, a composite wetland unit, a clean water tank and a sludge tank, the output end of the grid water collecting tank is sequentially connected with the regulating tank, the hydrolysis tank, the STBBR tank, the microfiltration plant unit, the composite wetland unit and the clean water tank. The advanced, mature and reliable biological and biochemical treatment process is adopted, so that pollutants such as BOD5, SS, CODCr and NH3-N in sewage can be efficiently removed, various water quality indexes of treated effluent meet the planting, reusing and discharging requirements by adopting the technologies of biological filtration, one-time lifting and four-time backflow and pressure sludge discharging, the investment and occupied land are reduced as much as possible, and the economic benefit is increased. The overall design layout is reasonable; the process and technology advantages are fully exerted, the sewage and sludge treatment cost is reduced to the maximum extent, and the STBBR ecological sewage treatment process is free of chemicals and low in operation cost.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a low-cost environment-friendly domestic sewage treatment system. Background technique [0002] Domestic sewage is the waste water discharged from the daily life of residents, mainly from residential buildings and public buildings, such as residences, institutions, schools, hospitals, shops, public places and toilets of industrial enterprises. The pollutants contained in domestic sewage are mainly organic matter (such as protein, carbohydrates, fat, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasite eggs and intestinal infection viruses, etc.). The organic matter present in the domestic sewage is extremely unstable and easily corroded to produce foul odors. Bacteria and pathogens multiply with organic matter in domestic sewage as nutrition, which can lead to the spread of infectious diseases. Therefore, domestic sewage must ...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/001C02F3/308C02F3/32C02F3/34C02F2209/08C02F2209/14C02F2209/10C02F2203/006C02F2301/08C02F2301/046
Inventor 周占康周浩然周思宇周子涵
Owner 周占康
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