Passive highly effective dispersant type domestic wastewater treatment complete plant

Abstract

The invention relates to sewage treatment equipment, in particular to a power-free highly effective dispersion type domestic sewage treatment integrated equipment designed for aiming at municipal housing plots, guesthouses, resorts, nursing homes, airports and rural areas. The equipment is composed of a sedimentation tank, two or more anaerobic reactors connected in series, and a sludge digestionreactor, wherein polypropylene elastic three-dimensional filling material is respectively arranged at the center parts of the anaerobic reactors and the sludge digestion reactor, and anaerobe grows on the elastic three-dimensional filling material in a way of biological membrane. The treatment equipment of the invention has the advantages: firstly, the treatment equipment has higher flexibility and adaptability, the one-time investment is low, the amount of sludge is small, and the management is convenient; secondly, the polypropylene elastic three-dimensional filling material is arranged inside through adopting the anaerobic contact process, the specific surface area is large, and the biomass is large; thirdly, the organic matter can be fully degraded; fourthly, the security performance is good; fifthly, the structure is simple, the complete set of the treatment equipment can realize promotion, and the treatment equipment is in favor of popularization; the treatment equipment is applicable to the dispersion type domestic sewage treatment in the residential districts, the guesthouses, the resorts, the nursing homes, the industrial enterprises and the troops and the rural areas.

Description

technical field [0001] The invention relates to sewage treatment equipment, in particular to a complete set of non-powered, highly efficient and distributed domestic sewage treatment equipment designed for urban residential quarters, hotels, holiday villages, nursing homes, airports and rural areas. Background technique [0002] At present, with the rapid economic development, the pace of urbanization is accelerating, and the new residential areas around the city are developing rapidly. The coverage of the urban sewage pipe network is far less than that of these areas, and some sewage is discharged in an orderly manner. Sewage mixed flow, sewage cannot be effectively treated. The intensification of water pollution is largely due to the scattered sources of pollution and the lack of timely sewage treatment. However, it is difficult to implement the idea of ​​centralized collection and treatment for scattered pollution sources in these areas. Due to the high operating cost o...

AI Technical Summary

Problems solved by technology

Anaerobic (suspended) sludge bed ("Unpowered domestic sewage enhanced treatment device" patent No. 01206533.1 mainly adopts this process) has the advantages of good treatment effect, but requires high hydraulic conditions. If there is no sufficient stirring and mixing, it is difficult to To achieve the desired water discharge effect; the expansion of the sludge bed will inevitably lead to sludge loss, and generally need to be equipped with follow-up sedimentation facilities, thus increasing the construction cost

On the other hand, due to the unbalanced water volume of domestic sewage, the sludge bed is likely to cause a short-term impact, and the treatment effect is unstable.

Anaerobic biological filter (Patent No.: 01206533.1 of "Intensive Treatment Device for Unpowered Domestic Sewage" will adopt this process later) is equipped with filter material inside, which has high requirements for influent suspended solids, and is easy to block, difficult to wash, and difficult to manage, especially for It is difficult to control the situation where the water quantity and quality fluctuate greatly

[0004] At present, no matter what technology is used for domestic sewage at home and abroad, although the organic matter in the water can be degraded to varying degrees, there is little effect on the sludge generated in the treatment system. Practical treatment facilities, generally after manual cleaning or mechanical collection, transported to the sewage plant for secondary treatment

As a result, the work intensity of workers is increased, and the frequency of cleaning is frequent, which affects the quality of effluent water during cleaning.

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