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Purification and deodorization device for tail gas of capped sewage pool and deodorization method of device

A technology for exhaust gas purification and sewage pools, applied in chemical instruments and methods, separation methods, air quality improvement, etc., can solve the problems of affecting treatment efficiency and slow screening of bacterial agents, and achieve good treatment effect, speed up transfer, and hydrophilicity. good effect

Pending Publication Date: 2019-12-03
HANGZHOU DIANZI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing biological deodorization technology, the screening speed of the bacterial agent is slow, which greatly affects the treatment efficiency

Method used

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  • Purification and deodorization device for tail gas of capped sewage pool and deodorization method of device
  • Purification and deodorization device for tail gas of capped sewage pool and deodorization method of device

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Such as figure 1 As shown in the figure, a sewage tank covered tail gas purification and deodorization device includes a capture tower 1, an integrated electro-biological filter tower 2, a fan 3 and an exhaust pipe 4. The capture tower 1 includes a water storage layer, a gas inlet layer, a primary dehumidification layer, a primary spray layer, a secondary dehumidification layer, a secondary spray layer, and a demister layer arranged in sequence from bottom to top; the gas entry layer is provided with a gas Imported; the filler of the first dehumidification layer and the second dehumidification layer is one or more of stainless steel, PP, and polytetrafluoroethylene; the top spray system of the first spray layer and the second spray layer is equipped with inorganic Aqueous solution of acid. The defogging layer is used to remove the water vapor brought out after treatment; the top of the defogging layer is provided with an air outlet.

[0041] Such as figure 1 with 2 ...

Embodiment 2

[0055] The difference between this embodiment and embodiment 1 is that the biological medium filler 2-4 adopts volcanic rock biological filler. Volcanic rock is an inert material with stable chemical properties, corrosion resistance, and strong hydrophilicity. The surface of volcanic rock is relatively rough and has a large specific surface area, which is suitable for microbial growth and film formation. The effective operation of the bioreactor is ensured.

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Abstract

The invention discloses a purification and deodorization device for tail gas of a capped sewage pool and a deodorization method of the device. Odor related to capping of a sewage pool has the characteristics of complex components, a low concentration, a wide waste gas source, similar odor source strong components of all treatment units and the like, so that the difficulty of a subsequent deodorization process is increased. The purification and deodorization device for the tail gas of the capped sewage pool comprises an integrated electric-biological filter tank module; and the integrated electric-biological filter tank module comprises a filter tower body, a bioelectrochemical reaction unit, a biological filler circulation unit and a demister, an electrolyte solution is arranged in the filter tower body, the bioelectrochemical reactor comprises a positive electrode plate, a negative electrode plate, two flow guide plates and two partition plate groups, and the biological filler circulation unit comprises a biological medium filler, a spraying pipe and a circulation pump. An integrated electric-biological filter tower used in the invention can be used for screening dominant bacteriain a solution through an external electrode.

Description

technical field [0001] The invention belongs to the technical field of tail gas purification and deodorization with a cover on a sewage pool, and in particular relates to a tail gas purification and deodorization device with a cover on a sewage pool and a deodorization method thereof. Background technique [0002] The tail gas of the sewage tank capping mainly comes from the treatment units of the sewage treatment station of the enterprise (mainly including the adjustment tank, the lifting well, the air flotation tank, the primary sedimentation tank, the water collection tank, the sludge storage tank, the sludge concentration tank, the sludge dehydration room, etc. unit), during the operation and treatment of waste water, the above-mentioned units produced more or less malodorous gases (the main components include hydrogen sulfide, ammonia and other complex components that may cause odor), especially the water inlet part (water collection well) and sludge treatment and other...

Claims

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Application Information

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IPC IPC(8): B01D53/75B01D53/32B01D53/84
CPCB01D53/75B01D53/326B01D53/84B01D2251/95Y02A50/20
Inventor 陈杰叶志平杨琪
Owner HANGZHOU DIANZI UNIV
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