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Method for biological treatment of rubber vulcanized tail gas

A technology of rubber vulcanization and biological treatment, which is applied in the direction of chemical instruments and methods, separation methods, and air quality improvement. It can solve the problems of low exhaust gas concentration and low exhaust gas purification efficiency, and achieve short processing time, reduce operating costs and management requirements. , high efficiency effect

Inactive Publication Date: 2012-05-23
重庆威励达电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, nanomaterials, activated carbon or synthetic resin are used as three-dimensional fillers, and a single strain of bacteria is used as biological treatment, which can only treat a single compound, and the concentration of the exhaust gas is low, and the efficiency of exhaust gas purification is not high.

Method used

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  • Method for biological treatment of rubber vulcanized tail gas
  • Method for biological treatment of rubber vulcanized tail gas
  • Method for biological treatment of rubber vulcanized tail gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] according to figure 1 The structure shown is used to build a biological filter, and the specific surface area of ​​the nano-clay lightweight filler is selected as 50-150m 2 / cm 3 , use the spray head to spray water 2 to 3 times to the biofilm layer every day, each time for 5 to 10 minutes, so that the working temperature in the biofilter is kept at 3 to 5°C, the pH value is 5, and the humidity is kept at 60%.

[0041]The waste steam discharged from the vulcanization cylinder is decompressed through the expansion tank to about 1 atmospheric pressure, then passed into the heat exchanger and condenser to cool down to below 40°C, and then passed into the waste gas buffer chamber. The waste gas in the waste gas buffer chamber is The fan extracts and passes into the waste gas intake hole at the bottom of the biological filter. The waste water from the vulcanization tank is passed into the anaerobic pool, the cooling water in the waste gas buffer chamber is passed into the a...

Embodiment 2

[0043] according to figure 1 The structure shown is used to build a biological filter, and the specific surface area of ​​the nano-clay lightweight filler is selected as 50-150m 2 / cm 3 , use the spray head to spray water to the biofilm layer 2 to 3 times a day, each time for 5 to 10 minutes, so that the working temperature in the biofilter is kept at 10 to 15°C, the pH value is 5.5, and the humidity is kept at 70%.

[0044] The waste steam discharged from the vulcanization cylinder is decompressed through the expansion tank to about 1 atmospheric pressure, then passed into the heat exchanger and condenser to cool down to below 40°C, and then passed into the waste gas buffer chamber. The waste gas in the waste gas buffer chamber is The fan extracts and passes into the waste gas intake hole at the bottom of the biological filter. The waste water from the vulcanization tank is passed into the anaerobic pool, the cooling water in the waste gas buffer chamber is passed into the ...

Embodiment 3

[0046] according to figure 1 The structure shown is used to build a biological filter, and the specific surface area of ​​the nano-clay lightweight filler is selected as 50-150m 2 / cm 3 , use the spray head to spray water to the biofilm layer 2 to 3 times a day, 5 to 10 minutes each time, so that the working temperature in the biofilter is kept at 35 to 40°C, the pH value is 8, and the humidity is kept at 85%.

[0047] The waste steam discharged from the vulcanization cylinder is decompressed through the expansion tank to about 1 atmospheric pressure, and then passed into the heat exchanger to cool down to 40°C, and then passed into the waste gas buffer chamber, and the waste gas in the waste gas buffer chamber is extracted by the fan. And pass into the waste gas intake hole at the bottom of the biological filter. The waste water from the vulcanization tank is passed into the anaerobic pool, the cooling water in the waste gas buffer chamber is passed into the anaerobic pool,...

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Abstract

The invention discloses a method for biological treatment of rubber vulcanized tail gas, comprising the following steps: 1) building a biofilter: selecting a sealed container, arranging nanometer argil light filler layers which are mutually parallel on the cross section in the sealed container, dripping bacteria suspension on the nanometer argil light filler at the lower part, and dripping fungussuspension on the nanometer argil light filler at the upper part; 2) treating rubber vulcanized tail gas: causing anaerobic gas and waste gas to respectively pass through two nanometer argil light filler layers, and discharging from a tail gas discharging port on the top of the sealed container. When the waste gas passes through the biofilter, pollutant is transferred to the biomembrane by diffusion and is adsorbed by germ adsorbed on the surface of filler; biochemical reaction is carried out by microbial enzymes so as to achieve the purposes of adsorbing, decomposing and purifying stink waste gas, and the purifying rate is above 98%.

Description

technical field [0001] The invention relates to a method for treating rubber vulcanization tail gas, in particular to a method for using biology to treat rubber vulcanization tail gas. Background technique [0002] During the vulcanization of rubber in the vulcanization cylinder, the pressure and temperature are high. When the cylinder is opened, a large amount of rubber particles, rubber sulfides, oxides and other volatiles are released with high temperature and high pressure steam. This gas is harmful to the human body and very painful. Uncomfortable special odor seriously affects the health of production workers and the surrounding environment. For this reason, domestic rubber product manufacturers have also done a lot of work to control the vulcanization odor. They have successively adopted combustion method, water absorption and activated carbon adsorption. However, because these methods have certain limitations and defects, the combustion method is complicated to opera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/84
CPCY02A50/20
Inventor 宋永安
Owner 重庆威励达电子科技有限公司
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