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A floating biological filter backwashing device

A biological filtration and backwashing technology, applied in the direction of sustainable biological treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of increased water head loss, affecting the treatment effect of the sewage treatment system, and reducing the voids of fillers, etc. problem, achieve the effect of reducing equipment investment, reducing energy consumption, and not easy to block

Active Publication Date: 2016-04-13
WUXI YIYOU ELEC & MACH MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After running for a certain period of time, with the gradual increase of suspended matter, sludge and proliferating microorganisms retained by the filler, the voids of the filler will decrease and the head loss will increase, which will affect the treatment effect of the sewage treatment system

Method used

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  • A floating biological filter backwashing device

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] A floating biological filtration and backwashing device, comprising a pool body 12, a treatment tank 11, the treatment tank 11 is filled with granular floating filler 3 to form a filter layer, and also includes a backwash outlet pipe 1, a backwash sprinkling pipe 2, a backwash Sludge discharge pipe 4, backwash intake pipe 5, air chamber 6, air release mechanism 7, backwash air source 9 and sludge lift pump 10, the air chamber 6 is arranged at the bottom of the pool body 12, and the backwash air source 9 passes through The backwash inlet pipe 5 is connected to the air chamber 6, the air release mechanism 7 is arranged inside the air chamber 6, the outlet of the backwash outlet pipe 1, and the backwash sprinkler pipe 2 are sequentially arranged above the treatment tank 11 from top to bottom, and the sludge is lifted The pump 10 is arranged at the b...

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Abstract

The invention discloses a floating biofiltration backwashing apparatus, and belongs to the technical field of sewage treatment. The floating biofiltration backwashing apparatus comprises a pool body and a treatment tank, the treatment tank is filled with a granular floating filler to form a filter layer, the apparatus also comprises a backwashing water outlet tube, a backwashing water sprinkling tube, a backwashing sludge discharging tube, a backwashing gas inlet tube, an air chamber, an air releasing mechanism, a backwashing gas source and a sludge lift pump, the air chamber is arranged at the bottom of the pool body, the backwashing gas source is communicated with the air chamber through the backwashing gas inlet tube, the air releasing mechanism is arranged in the air chamber, the outlet of the backwashing water outlet tube and the backwashing water sprinkling tube are sequentially arranged over the treatment tank from top to bottom, and the sludge lift pump is arranged at the bottom of the backwashing sludge discharging tube. The apparatus uses a normal-running fan or gas compressor, and utilizes air instantaneously jetted by the air chamber to rapidly decrease water flow in order to realize sludge and filler separation and reach the backwashing purpose, so the apparatus investment is reduced, and the energy consumption is also reduced.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and relates to a floating organism filtering and backwashing device. Background technique [0002] The floating biological filter is a new type of sewage treatment technology. Compared with the traditional sewage treatment process, it has many advantages such as less investment in infrastructure, low operating costs, small footprint, and convenient management. It is a sewage treatment equipment integrating biodegradation and solid-liquid separation. Sewage enters the bottom of the filter, and treated water flows out the top. Three layers are formed in the filter tank, which are in order from bottom to top: sewage sedimentation layer, filtration separation layer, treated water storage layer, filter separation layer is filled with filter material, biofilm grows on the surface of filter material, aeration inside the filter tank, sewage flow Over time, the sewage can be quickly purified by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/10
CPCY02W10/10
Inventor 谢维民彭思琼
Owner WUXI YIYOU ELEC & MACH MFR
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