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A domestic sewage treatment system and treatment process of a high-load infiltration coupling system

A coupling system and domestic sewage technology, applied in the direction of biological water/sewage treatment, water/sewage treatment, water/sewage multi-stage treatment, etc., can solve problems such as difficult operation by dedicated personnel, to ensure uniformity, stable structure, and applicable wide range of effects

Active Publication Date: 2020-11-17
江西挺进环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some small and medium-sized sewage treatment stations at the village and township level, it is difficult to have special personnel to operate and replenish carbon sources regularly and quantitatively.

Method used

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  • A domestic sewage treatment system and treatment process of a high-load infiltration coupling system
  • A domestic sewage treatment system and treatment process of a high-load infiltration coupling system
  • A domestic sewage treatment system and treatment process of a high-load infiltration coupling system

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Embodiment Construction

[0041] As shown in Figure 1, the sewage first passes through the pretreatment unit for grilling, sedimentation, etc., and then enters the anaerobic tank. After staying in the anaerobic tank for a period of time, it enters the regulating tank, and then enters the high-temperature tank intermittently and regularly through the water pump. The load infiltration coupling system, after successively passing through the aerobic-facultative system at all levels, finally discharges the effluent through the main discharge port.

[0042] Such as figure 2 As shown, the high-load infiltration coupling system is composed of two aerobic-facultative oxygen systems connected in series, and the two aerobic-facultative oxygen systems are separated by an impermeable membrane (25), and the surface filter material of the removal system is phosphorus removal filter material layer (21), each aerobic-facultative system consists of an aerobic filter layer (22), a homogenizing filter layer (9), and a fa...

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Abstract

The invention aims to solve the problem of large deviation of the carbon-nitrogen ratio of the sewage caused by different construction degrees of rainwater and sewage diversion pipe networks in different regions. A system is provided with a normal operation mode, a low-carbon-nitrogen-ratio operation mode and a high-carbon-nitrogen-ratio operation mode. Sewage firstly passes through a pretreatmentunit to be subjected to grating, sedimentation and other treatment, enters an anaerobic tank, stays in the anaerobic tank for a period of time, then enters a regulating tank, then enters a high-loadpercolation coupling system regularly, quantitatively and intermittently through a water pump, sequentially passes through all stages of aerobic-facultative systems, and finally is discharged througha total discharge outlet.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a domestic sewage treatment system and a treatment process with a high-load percolation coupling system. Background technique [0002] Low COD and high ammonia nitrogen in domestic sewage are important reasons for the abnormal operation of many new sewage treatment plants. This phenomenon is more prominent in villages and towns sewage treatment plants where the pipeline network construction is not perfect and the rain and sewage diversion construction is not perfect. Due to the above characteristics of sewage, problems such as difficult sludge cultivation, low ammonia nitrogen removal rate, low effluent pH value, and low total nitrogen removal rate often occur during operation. [0003] In general, large-scale sewage treatment plants that are operated and managed by dedicated personnel add carbon sources such as glucose, starch, and methanol to the aerobic zone or anaer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F3/30C02F101/16
CPCC02F1/001C02F1/288C02F3/28C02F3/301C02F3/302C02F9/00C02F2001/007C02F2101/16
Inventor 吉康宁罗青春宁小飞周今华李亮
Owner 江西挺进环保科技股份有限公司