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Sewage pretreatment tank

A technology of sewage pretreatment and pool body, which is applied in the direction of settling tank, grease/oily substance/suspton removal device, liquid separation, etc. It can solve the problem of inability to realize sewage regulation function, inability to have good degreasing effect, and inability to achieve pretreatment Phase integration process and other issues to achieve the effect of shortening the pretreatment process, saving time and saving land occupation

Inactive Publication Date: 2012-09-26
BEIJING MUNICIPAL ENG PROFESSIONAL DESIGNINST
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Problems solved by technology

[0006] Those skilled in the art, according to the patent documents disclosed above, combine the structures of the two patents after simple functional transformation to obtain a sedimentation tank capable of removing mud and suspended particles, but the sedimentation tank is It cannot realize the sewage regulating function, cannot have a good degreasing effect, and cannot realize the integrated process of the comprehensive pretreatment stage

Method used

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Embodiment Construction

[0035] A sewage pretreatment tank provided by the present invention includes a mud collecting device located at the lower part of the tank body, the mud collecting device is connected with a mobile mud discharge device, and here, the mud collecting device is a sludge bucket; The upper part of the mud hopper is connected with the sedimentation oil separation area I, and the horizontal ends of the sedimentation oil separation area I are provided with a raw water inlet device and a water outlet end opposite to the raw water inlet device. Here, the raw water inlet The device includes a raw water inlet pipe 1 extending from the outside of the tank body to the sedimentation oil separation zone I, the raw water inlet pipe 1 communicates with the water inlet tank 2, and a water inlet hole 3 is arranged on the bottom plate of the water inlet tank 2 (See figure 1 and figure 2 ); the water outlet end is provided with a water outlet device, and here, the water outlet device includes a ...

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Abstract

The invention relates to the field of sewage treatment, providing a sewage pretreatment tank. The sewage pretreatment tank comprises a sludge collecting device positioned at the lower part of a tank body, wherein the sludge collecting device is connected with a mobile sludge discharging device; the upper part of the sludge collecting device is communicated with a settlement oil separating region;a raw water inlet device and a water outlet end opposite to the raw water inlet device are arranged at two transverse ends of the settlement oil separating region; a water outlet device is arranged at the water outlet end; the settlement oil separating region comprises a water level adjusting device which forms an adjusting region at the upper part of the settlement oil separating region; a waterseepage device is transversely arranged at the upper part of the adjusting region; the tank body is divided into sludge drying regions above the tank body by using the water seepage device; a filtering layer is attached to the upper part of the water seepage device; and an oil collecting device is arranged at the water outlet end of the settlement oil separating region. By using one tank body, multiple diversified functions of adjustment, settlement, oil separation, oil collection, filtering, sludge drying, and the like are achieved.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an integrated sewage pretreatment pool. Background technique [0002] In the process of sewage treatment, especially when the water volume fluctuates greatly and the content of oil and suspended solids is high, the pretreatment part plays a key role in the final treatment effect of the sewage, often through the pretreatment process. Oil, suspended solids, and sludge are treated. The traditional pretreatment tank mainly adopts the method of independently setting up each pretreatment structure such as adjustment, sedimentation, oil separation, filtration, and sludge drying, so there are defects that the tank body occupies a large area and requires a large investment. [0003] Chinese patent document CN201609613 discloses an inclined tube sedimentation tank for sewage treatment, the sedimentation tank includes a sedimentation tank body, the upper part of the sedimentation tank body ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/02C02F1/40
Inventor 田兆东王丽丽徐跃卫
Owner BEIJING MUNICIPAL ENG PROFESSIONAL DESIGNINST
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