Integrated biological reactor for treatment of industrial wastewater and domestic sewage

A bioreactor and domestic sewage technology, applied in the field of integrated bioreactors, can solve problems such as large floor space, and achieve the effects of reducing effluent SS, overcoming limitations, and reducing the volume of structures

Inactive Publication Date: 2013-08-21
大连生源水处理设备发展有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0007] In order to solve the problem of separate construction of anaerobic-anoxic-aerobic-sedimentation tanks in the prior art and occupy a large area, the inventor provides a kind of integrated bioreactor

Method used

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  • Integrated biological reactor for treatment of industrial wastewater and domestic sewage
  • Integrated biological reactor for treatment of industrial wastewater and domestic sewage

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Embodiment Construction

[0026] Such as Figure 1-2 As shown, the integrated bioreactor for treating industrial wastewater and domestic sewage includes anaerobic pool 1, anoxic pool 2, aerobic pool 3 and sedimentation pool 4; the integrated bioreactor is in the form of a drum as a whole Its cross-section is three concentric circles, the outermost circle is divided into anoxic pool 2 and aerobic pool 3 through a partition, the middle circle is sedimentation pool 4, and the innermost circle is anaerobic pool. Pool 1; anaerobic pool 1 is connected to anoxic pool 2 through pipelines, aerobic pool 3 is connected to sedimentation tank 4 through pipelines, and the height of the baffle is lower than the height of the reactor barrel. An aeration device is installed at the bottom of the aerobic tank; a mud discharge pipe is arranged at the bottom of the sedimentation tank. The bottom of the anaerobic tank and the sedimentation tank are connected through a sludge return pipe. Described anaerobic pond, anoxic p...

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Abstract

The invention relates to an integrated biological reactor for treatment of industrial wastewater and domestic sewage. The integrated biological reactor comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank, wherein the integrated biological reactor is shaped like a barrel as a whole, the cross section of the integrated biological reactor comprises three concentric circles, the interior of an outmost circular ring which is surrounded by the outmost two circles is divided into the anoxic tank and the aerobic tank through a partition plate, and the height of the partition plate is lower than that of a barrel body of the reactor; a middle circular ring surrounded by the innermost two circles is the sedimentation tank, and the anaerobic tank is arranged in the innermost circle; and the anaerobic tank is connected with the anoxic tank through a pipeline, and the aerobic tank is connected with the sedimentation tank through the pipeline. An aeration device is mounted at the bottom of the aerobic tank, and aeration is generally performed through a Roots blower. A sludge discharge pipe is arranged at the bottom of the sedimentation tank. The anaerobic-anoxic-aerobic-sedimentation tanks are integrally arranged and built, thus the problem of large occupied area in a traditional mode can be solved.

Description

technical field [0001] The invention is an integrated bioreactor for treating urban domestic sewage and various industrial waste water. Background technique [0002] The existing A2-O sewage treatment process is generally anaerobic-anoxic-aerobic process, and the aerobic section is a separate activated sludge process or biofilm process. Each biological reaction unit is built independently, which has the defect of occupying a large area. [0003] The activated sludge method belongs to the suspended biological treatment system. Its advantages are that the microorganisms and various environmental elements in the aeration tank are evenly distributed, the mass transfer efficiency is high, and the investment is low. However, the main problems of this process are: firstly, the large amount of sludge discharge and short sludge age cannot meet the requirements of high-efficiency nitrification, and thus cannot achieve high-efficiency denitrification; secondly, the volumetric load is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
Inventor 江志伟谷朝君潘颖邹君岳军王世真刘世璋贾昌盛
Owner 大连生源水处理设备发展有限公司
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