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Biological deodorizing packing and device

A technology of biological deodorization and biological filler, which is applied in the fields of biological deodorization fillers and devices, materials and devices for waste gas treatment, which can solve the problems of long start-up time, low impact resistance, large floor space, etc., and reduce the adhesion capacity , reduce biological blockage, and break through technical bottlenecks

Inactive Publication Date: 2013-12-04
杭州楚环科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the shortcomings of the existing biological deodorization technology, such as long start-up time, large floor area and low impact resistance, and provide a biological deodorization filler and device with low cost, simple preparation and long service life. Utilizing the carrier function of biochar, the deodorizing microbial inoculation function of mineralized waste, and the elastic and loose function of polyurethane materials, it can effectively prolong the operating life of the device while effectively treating the stench produced by domestic waste, thereby greatly improving social benefits. and economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1, constructing a biological deodorization system for malodorous gases.

[0039] First, biochar, mineralized waste and incineration ash are mixed into a biological deodorizing filler with a mass ratio of biochar:mineralized waste:polyurethane of 3:4:3, and the packing density of the biological deodorizing filler after mixing evenly 0.6g / cm 3 , the particle size range is 5-50mm, and the specific surface area is 300m 2 / g; the biochar is made by anaerobic / anoxic pyrolysis process using the remaining sludge of Minhang Sewage Treatment Plant in anaerobic or anoxic state at 600°C, and the mineralized waste is taken from Laogang Fill Landfill garbage (particle size <50mm) for 6 years, polyurethane is irregular block, particle size is 20mm.

[0040] Then the above-mentioned biological deodorization filler is added to the structure as described above (such as figure 1 and figure 2 shown) in the biological deodorization device. This biological deodorization device ...

Embodiment 2

[0042] Example 2, constructing a biological deodorization system for malodorous gases.

[0043] First, biochar, mineralized waste and incineration ash are mixed into a biological deodorizing filler with a mass ratio of biochar:mineralized waste:polyurethane of 4:5:1, and the packing density of the biological deodorizing filler after mixing evenly 1.0g / cm 3 , the particle size range is 5-50mm, and the specific surface area is 200m 2 / g; the biochar is made by anaerobic / anoxic pyrolysis process using the remaining sludge of Minhang Sewage Treatment Plant in anaerobic or anoxic state at 600°C, and the mineralized waste is taken from Laogang Fill Landfill 15 years of garbage (particle size <50mm), polyurethane is irregular block, particle size is 30mm.

[0044] Then the above-mentioned biological deodorization filler is added to the structure as described above (such as figure 1 and figure 2shown) in the biological deodorization device. This biological deodorization device c...

Embodiment 3

[0046] Example 3, constructing a biological deodorization system for malodorous gases.

[0047] First, biochar, mineralized waste and incineration ash are mixed into a biological deodorizing filler with a mass ratio of biochar: mineralized waste: polyurethane of 3:5:2, and the packing density of the biological deodorizing filler after mixing evenly 0.8g / cm 3 , the particle size range is 5-50mm, and the specific surface area is 270m 2 / g; the biochar is made by anaerobic / anoxic pyrolysis process using the remaining sludge of Minhang Sewage Treatment Plant in anaerobic or anoxic state at 750°C, and the mineralized waste is taken from Laogang Fill Landfill garbage (particle size <40mm) for 10 years, polyurethane is irregular block, particle size is 50mm.

[0048] Then the above-mentioned biological deodorization filler is added to the structure as described above (such as figure 1 and figure 2 shown) in the biological deodorization device. This biological deodorization devi...

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Abstract

The invention provides biological deodorizing packing and device. The biological deodorizing packing is formed by uniformly mixing biochar, mineralized rubbish and polyurethane at the mass ratio of 2-4:3-5:1-5. The packing density of the biological deodorizing packing is 0.5-1.0g / cm<3>, the particle size range is 5-50mm and the specific surface area is 200-300m<2> / g. The device comprises a washing tower and a biological packing tower which are mutually communicated. The biological packing tower is a sealing container which is formed by vertically stacking and connecting a basic unit and a plurality of reaction units. Each reaction unit comprises a polyurethane packing layer and a biological packing layer, wherein the polyurethane packing layers and the biological packing layers are arranged inside a barrel body, the polyurethane packing layers are made of polyurethane material blocks, and the biological packing layers are made of the deodorizing biological packing. By the adoption of the biological deodorizing packing and device, deodorizing efficiency is improved, starting time is shortened, shock resistance is improved, blockage is not prone to occurring, and the biological deodorizing packing has the advantages of being wide in raw material source, low in cost, simple in preparation and high in reliability, odor of rubbish is effectively controlled, and the biological deodorizing packing and device are suitable for places such as sewage and rubbish disposal plants, slaughter houses, farms and chemical plants.

Description

technical field [0001] The invention relates to a material and a device for waste gas treatment, in particular to a biological deodorizing filler and a device for removing the stench of domestic garbage, belonging to the technical field of environmental protection. Background technique [0002] The content (weight) of organic matter in urban domestic waste in my country is about 50-70% (of which the content of kitchen waste is about 55%, and the content of fruit peel is about 10%), and the main components are hydrocarbons ((CH 2 O) 6 and (CH 2 O) 12 ), protein (C 46 h 77 o 17 N 12 S) and fat (C 55 h 104 o 6 ), etc., showing the characteristics of high moisture content, high organic matter, and perishability. Perishable garbage will release a large amount of malodorous gas during the degradation process, which can be divided into five categories according to its chemical composition: (1) sulfur-containing substances, including hydrogen sulfide, mercaptan, sulfide, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/85B01D53/58B01D53/52
CPCY02A50/20
Inventor 楼紫阳朱南文李安定黄寿强袁海平苗琛叶彩虹
Owner 杭州楚环科技股份有限公司
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