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Biological sewage treatment device

A technology for biological sewage treatment and water hole distribution is applied in the field of water treatment, which can solve the problems of small sewage biological treatment devices with small processing capacity, difficulty in adapting to sewage water volume and quality, and unsatisfactory denitrification and phosphorus removal, etc. Speed ​​and production accuracy, the effect of improving construction speed and accuracy, and improving the effect

Pending Publication Date: 2019-01-25
金锣水务有限公司
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  • Application Information

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Problems solved by technology

However, the treatment capacity of small sewage biological treatment devices is small, the energy consumption is high, and the denitrification and phosphorus removal are still unsatisfactory, and it is difficult to adapt to the changes in sewage water volume and water quality.

Method used

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Embodiment Construction

[0032] Some embodiments of the present invention will be further introduced below in conjunction with the accompanying drawings, but it is not intended to limit the protection scope of the present invention.

[0033] see Figure 1-3 , according to a kind of sewage biological treatment device of the present invention, comprises the coaxial cylindrical case 51 that is vertically arranged on the pool bottom 54 and the cylindrical first partition 52, and the first partition 52 is positioned at the inside of case 51 and will The inner space of the housing 51 is divided into a cylindrical interior and an annular exterior, and the ratio of the volume of the annular exterior to the volume of the cylindrical interior may be 1:1 to 1:2. The annular outer portion is used as an aeration tank 1 , and an aerator 55 is provided at the bottom, and an oxygen-containing gas such as air is supplied to the aerator 55 through an air inlet pipe 12 . The bottom of the cylindrical interior is provid...

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Abstract

The invention relates to a biological sewage treatment device which comprises a cylindrical shell and a cylindrical first partition plate. The cylindrical shell and the cylindrical first partition plate are vertically arranged on a pool bottom, an internal space of the shell is divided into a cylindrical inner portion and an annular outer portion by the first partition plate, and the annular outerportion is used as an aeration tank; a second partition plate which is in the shape of an inverted frustum is arranged on the lower portion of the cylindrical inner portion, the cylindrical inner portion is divided into an upper portion and an annular lower portion by the second partition plate, the upper portion is used as a precipitation tank, and the annular lower portion is used as an anoxictank; a water distribution hole is formed in the first partition plate, and the aeration tank can be communicated with the precipitation tank via the water distribution hole. The biological sewage treatment device has the advantages that treatment processes can be changed according to requirements, so that the biological sewage treatment device can adapt to change of the volume and the water quality of sewage, and sewage treatment effects can be guaranteed; the biological sewage treatment device is high in structural strength and material utilization rate and convenient to assemble and construct, and the like.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a sewage biological treatment device. Background technique [0002] With the gradual enhancement of environmental awareness and the gradual improvement of environmental protection laws and regulations, the requirements for sewage treatment are also increasing. The small-scale sewage biological treatment device occupies a small area and can be conveniently placed near the pollution source, thereby reducing the construction and investment of the sewage collection system. It is especially suitable for islands, rural areas and other areas. However, small sewage biological treatment devices have small processing capacity, high energy consumption, denitrification and phosphorus removal are still unsatisfactory, and it is difficult to adapt to changes in sewage water volume and water quality. Therefore, there is still a need for an improved sewage biological treatment device in order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28
CPCC02F3/286C02F3/2866C02F2203/006Y02W10/10
Inventor 郝如杰周连奎
Owner 金锣水务有限公司
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