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Technical pool for treating sewage and technique

A technology of sewage treatment and process, applied in the field of process pool

Inactive Publication Date: 2007-02-21
深圳市利源水务设计咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is in A 2 Based on the / O process and the oxidation ditch process, a sewage treatment process pool is provided, and the process pool is used to further provide a sewage treatment process with less power consumption, low cost and good treatment effect

Method used

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  • Technical pool for treating sewage and technique
  • Technical pool for treating sewage and technique
  • Technical pool for treating sewage and technique

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Embodiment Construction

[0031] Such as figure 1 The schematic diagram of the top view of the LHR process tank is shown. The water inlet and the return sludge from the secondary sedimentation tank enter the LHR process tank from the water inlet 1, and the treated water flows out from the water outlet 7, and the anoxic tank 2 is arranged in sequence along the water flow. , anaerobic pond 4, anoxic pond 5, aerobic pond 61, aerobic pond 62, aerobic pond 63, aerobic pond 64, are connected by connecting hole 3 between each pond, wherein anoxic pond 2, anaerobic pond 4 , the anoxic pool 5, the aerobic pool 61, the aerobic pool 62 and the aerobic pool 63 are arranged horizontally, the aerobic pool 64 is arranged vertically, the water inlet of the anoxic pool 5 arranged horizontally and the outlet of the aerobic pool 64 arranged vertically The water outlets are only separated by a wall, and are connected to each other through the diversion holes 8 provided on the wall.

[0032] The main functions of each poo...

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Abstract

This invention provides a wastewater treatment pool, which comprises a first anoxia pool, an anaerobic pool, a second anoxia pool and an aerobic pool along the wastewater flow. There is a diversion hole between the second anoxia pool and the aerobic pool. The technique for treating wastewater comprises: (1) directing the wastewater into the first anoxia pool, and performing denitrification reaction; (2) directing into the anaerobic pool, and performing phosphorus release from the sludge; (3) directing into the second anoxia pool, and performing denitrification reaction; (4) directing into the aerobic pool, decomposing the organic substances into CO2, water and other substances, converting nitrogen of ammonia into nitrate and nitrite, and adsorbing and storing phosphorus by microbes. The method solves the problems of large circulation amount and high energy consumption faced by present A2 / O technique, and has such advantages as low energy consumption, low cost, small area of biotreatment pool and high denitrification and desulfurization efficiency.

Description

technical field [0001] The invention relates to a process pool for treating urban sewage or industrial waste water, and also relates to a process for using the process pool to treat urban sewage or industrial waste water. Background technique [0002] At present, there are many kinds of urban sewage treatment technologies, and each technology has its certain advantages. Currently, the most used urban sewage treatment technologies mainly include SBR process, biological aerated filter process, oxidation ditch process, A 2 / O process and its variants. [0003] Due to its high degree of self-control and high equipment quality requirements, and high operating costs, the SBR process is more widely used in small sewage treatment plants and less used in large sewage treatment plants. [0004] Biological aerated filter has been used to a certain extent in recent years, but its dosage and power consumption are large, and its operation cost is high, so it is rarely used. [0005] Oxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
Inventor 杨跃军廖凤京黄年龙
Owner 深圳市利源水务设计咨询有限公司