Multi-stage biochemical treatment system for pollution control at the source of drainage pipes

A drainage pipeline and biochemical treatment technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, multi-stage water treatment, etc.

CN110790375BActive Publication Date: 2020-11-13SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-11-13

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Abstract

A source-pollution-control multistage biochemical treatment system for a drainage pipeline is provided. The system comprises chain type guide rails, a suspension type support, a biofilm filler and anaeration assembly, wherein the chain type guide rails are installed in an inspection well and a drainage pipeline, the suspension type support is suspended on the chain type guide rails, the biofilm filler is nested in the suspension type support, and the aeration assembly performs aeration oxygenation on sewage in the drainage pipeline. According to the system, the internal spaces of the inspection well and the drainage pipeline are fully utilized; through ingenious design of the chain type guide rails and the suspension type support, conveying and arrangement of the biofilm filler and the aeration assembly in the drainage pipeline are achieved, and multi-stage AO biochemical treatment of sewage is achieved through coupling of multi-stage blast intensity regulation and control of the aeration assembly and characteristics of a tubular reactor of the drainage pipeline. Compared with the prior art, the system has the outstanding characteristics of high applicability, easiness in implementation, multiple functions, flexibility in operation, remarkable effect and the like.
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Description

technical field

[0001] The invention belongs to the technical field of municipal drainage, and in particular relates to a multi-stage biochemical treatment system for pollution control at the source of drainage pipes. Background technique

[0002] Drainage pipes are engineering facilities that collect and transport urban domestic sewage, industrial wastewater and rainwater. In recent years, with the acceleration of my country's urbanization process, the number and scale of construction of drainage pipes are also increasing year by year. For example, during the "Thirteenth Five-Year Plan" period, on the basis of the total length of about 9,530 km of drainage pipelines in Shanghai, about 100 kilometers of supporting drainage pipelines were built in the central urban area, and about 310 kilometers of new drainage pipelines were newly built in the suburbs. The increasingly perfect drainage pipeline system provides convenience for the transportation of various types of sewage an...

Examples

Embodiment Construction

[0064] In conjunction with the following specific embodiments and accompanying drawings, the invention will be further described in detail. The process, conditions, experimental methods, etc. for implementing the present invention, except for the content specifically mentioned below, are common knowledge and common knowledge in this field, and the present invention has no special limitation content.

[0065] The multi-stage biochemical treatment system for pollution control at the source of drainage pipes is characterized in that,

[0066] A chain guide rail 1, the chain guide rail 1 is installed in the inspection well 6 and the drainage pipe 8;

[0067] Suspension bracket 2, the suspension bracket 2 is suspended on the chain guide rail 1, and moves in the inspection well 6 and the drainage pipe 8 along the chain guide rail 1;

[0068] biofilm filler 3, the biofilm filler 3 is nested in the suspension bracket 2, and the sewage 7 is purified through the enriched biofilm;

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