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Integral combined process treatment reactor for city sewage

A technology of urban sewage and combined process, applied in the direction of aerobic and anaerobic process treatment, can solve the problems of increasing operating costs, and achieve the effects of saving investment costs, improving removal effect, and efficient and economical biological nitrogen and phosphorus removal treatment

Inactive Publication Date: 2008-06-25
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The phosphorus removal effect of the UCT process has been greatly improved, but due to the addition of the reflux system, the operating cost has also been increased

Method used

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  • Integral combined process treatment reactor for city sewage
  • Integral combined process treatment reactor for city sewage
  • Integral combined process treatment reactor for city sewage

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings, but the scope of protection claimed by the present invention is not limited to the scope described in the specific embodiments.

[0027] The device of the present invention is shown in accompanying drawing 1, and urban sewage integrated process treatment reactor comprises water inlet pipe 1, anaerobic zone 2, anaerobic zone dividing plate 3, submersible push-flow mixer 4, anoxic zone 5, anaerobic zone Oxygen zone partition 6, aerobic zone 7, aerobic zone partition 8, microporous aeration disc 9, rectification zone 10, sedimentation zone 11 and water outlet zone 12. According to the direction of water flow, the water inlet pipe 1 is set at the corner of the anaerobic zone 2; two submersible plug-flow mixers 4 are arranged in both the anaerobic zone 2 and the anoxic zone 5; the anaerobic zone partition plate 3 the anoxic zone partition plate 6 and aerobic zone partitions 8...

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Abstract

The invention discloses a reactor of integrative combination technique for treating city sewage.The reactor comprises an anaerobic zone (2), a hypoxia zone (5), an aerobic zone (7) and a precipitate zone (11); one of sludge return tube (13) and another sludge return tube (14) which are provided with valves are connected with the anaerobic zone (2) and the hypoxia zone (5) from the precipitate zone (11) respectively; one of mixture return pipe (16) and another mixture return pipe (17) which are provided with valves are connected to front of the hypoxia zone (5) and the anaerobic zone (2) from end of the aerobic zone (7) and end of the hypoxia zone (5) respectively.The invention runs two sewage treatment techniques alternatively in the integrative reactor, by arranging an anaerobic pool, a hypoxia pool and an aerobic pool in the integrative reactor, nitrogen and phosphorus removal can be realized efficiently and economically.And under requirements of different conditions, the two techniques are alternatively run and technology resource is integrated, which can realize high-efficient and economical life sewage treatment function.

Description

technical field [0001] The invention relates to an integrated reactor, in particular to a kind of sewage treatment process by alternately operating two kinds of sewage in the integrated reactor: A 2 / O process and UCT process, so as to efficiently and economically improve the urban sewage integrated combined process treatment reactor for the denitrification and phosphorus removal treatment effect of the integrated reactor on urban domestic sewage. Background technique [0002] A 2 The / O (Anaerobic-Anoxic-Oxic) process is based on the original biological phosphorus removal A / O (Anaerobic-Oxic) process, embedded in an anoxic pool. Sewage undergoes nitrification reaction in the aerobic tank, the mixed liquid in the aerobic tank returns to the anoxic tank for denitrification and denitrification, and the phosphorus-containing sludge in the sedimentation tank returns to the anaerobic tank together with the raw water for anaerobic phosphorus release. Then go to the aerobic pool ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
Inventor 周少奇丁进军
Owner SOUTH CHINA UNIV OF TECH
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