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Biological ball deodorization method for waste gas treatment

A waste gas treatment and bio-ball technology, which is applied in the direction of gas treatment, separation methods, chemical instruments and methods, etc., can solve the problems of secondary pollution of filter materials, poor deodorization effect, and influence on deodorization effect, so as to improve treatment efficiency, Increased contact probability and uniform exhaust gas volume

Inactive Publication Date: 2020-02-25
安徽天川环境工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conventional biological deodorization method needs to replace the filter material regularly during operation, which is easy to cause secondary pollution, and problems such as poor deodorization effect will directly affect the deodorization effect
[0003] Most of the existing biological deodorization uses zeolite, volcanic rock, etc. as the carrier, and uses zeolite, volcanic rock, etc. to cultivate microorganisms for treatment. However, the efficiency of this microbial deodorization is low, and the utilization rate of microorganisms is low.

Method used

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  • Biological ball deodorization method for waste gas treatment
  • Biological ball deodorization method for waste gas treatment
  • Biological ball deodorization method for waste gas treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see Figure 1-2 , a biological ball deodorization method for waste gas treatment, comprising the following steps:

[0035] (1) First use the air intake fan 18 to collect and divert the waste gas of the same type to the bottom of the deodorization box 10;

[0036] (2) Multi-layer porous deodorizing bed 11 is set in deodorizing box 10, and a certain amount of bio-balls 12 are tiled in every layer of deodorizing bed 11, and a certain amount of bio-ball 12 is sprayed on the surface of bio-ball 12 simultaneously. Bacterial liquid (containing microbial liquid) used to treat the waste gas;

[0037] (3) Then make the waste gas pass through the multi-layer porous deodorizing bed 11 evenly from the bottom, so that the gas can fully contact and react with the microorganisms to achieve microbial deodorization, and the deodorized gas is discharged through the upper end of the deodorization box.

[0038] Further, the deodorizing beds 11 are sequentially stacked inside the deodorizi...

Embodiment 2

[0050] The same as embodiment 1 is not repeated, and the difference with embodiment 1 is:

[0051] see image 3 , further, also includes a replenishing water tank 17, the replenishing water tank 17 is located at one side of the deodorizing tank 10, the replenishing water tank 17 is connected with the bottom of the deodorizing tank 10 through a pipeline, and a water replenishing tank 17 and the deodorant tank 10 are provided with Circulation pump 71, the water inlet end of the circulation pump 171 communicates with the middle part of the pipeline, and the upper end of the deodorization tank 10 is provided with evenly distributed spray pipes 172, and the spray pipes 172 communicate with the water outlet end of the circulation pump 171 through pipelines A first gate valve 173 and a second gate valve 174 are respectively provided on the pipelines at both ends of the circulation pump 171 .

[0052] The design of the circulation pump 171 and the replenishing water tank 17 can not o...

Embodiment 3

[0059] The same as embodiment 1 is not repeated, and the difference with embodiment 1 is:

[0060] see Figure 8 , a kind of method that adopts PP (polypropylene) and sawdust to prepare bioball, comprises the following steps:

[0061] (1) Process wood chips into wood chip masterbatch;

[0062] (2) Send the main material PP (polypropylene), sawdust masterbatch, foaming agent, and lubricant into the autoclave at a ratio of 0.75:0.12:0.06:0.07 for mixing and stirring to obtain material A;

[0063] (3) Feed material A into the extruder for extrusion drawing and pelletizing, with a particle size of 1-5mm;

[0064] (4) heating and pressurizing the particles in a foaming device to obtain disposable foamed particles;

[0065] (5) pre-compressing the primary foamed particles to implement secondary foaming, and drying the secondary foamed particles to obtain foamed particles;

[0066] (6) The foamed particles are sent into the extruder to melt and extrude the plate-shaped foam plate...

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Abstract

The invention belongs to the technical field of waste gas treatment, and particularly relates to a biological ball deodorization method for waste gas treatment. The method comprises the following steps: (1) collecting and guiding the same kind of waste gas to the bottom of a deodorization box by using a gas inlet fan; (2) arranging multiple layers of a porous deodorization bed in the deodorizationbox, spreading a certain amount of biological balls in each layer of the deodorization bed, and spraying a certain amount of a bacterial liquid (microorganism-containing liquid) for treating the waste gas on the surfaces of the biological balls; and (3) enabling the waste gas to uniformly and sequentially pass through the multiple layers of the porous deodorization bed from the bottom to make thegas fully contact and react with the microorganisms in order to realize microorganism deodorization, and discharging the deodorized gas from the upper end of the deodorization box. The method improves the contact probability of the whole waste gas and the microorganisms, and improves the treatment efficiency.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment, and in particular relates to a bioball deodorization method for waste gas treatment. Background technique [0002] During the process of sewage treatment and garbage treatment, gaseous substances with odorous groups will be produced and escape to the surroundings, causing pollution to the surrounding environment and bringing inconvenience to people's lives. Odor gas pollution refers to all gaseous substances that stimulate the olfactory organs to cause people's unpleasantness and damage the living environment. It stimulates olfactory cells through odorous groups. Generally, the concentration is low, the composition is complex, and it is difficult to monitor and treat. As a typical environmental hazard, it has been recognized by all countries in the world, and many developed countries have studied it as a separate pollution hazard, and implemented special legislation to prevent it. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/84B01D53/58B01D53/52B01D53/44
CPCB01D53/44B01D53/52B01D53/58B01D53/84B01D2251/95B01D2257/708Y02A50/20
Inventor 吴道锋方娟吴荣之
Owner 安徽天川环境工程有限公司
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