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Regeneration control system and regeneration control method for organic waste gas adsorption device

An adsorption device and regeneration control technology, applied in chemical instruments and methods, combustion methods, separation methods, etc., can solve problems such as high operating costs, large fluctuations in the concentration of regeneration exhaust gas, and uneven regeneration, so as to improve anti-clogging performance and solve Uneven regeneration and reduced running resistance

Active Publication Date: 2018-01-09
AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limited adsorption capacity of a single adsorption device, it is necessary to replace the adsorbent or regenerate the adsorbent after the adsorption is saturated in order to maintain the treatment effect continuously. However, the regular replacement of the adsorbent has problems such as heavy operating workload and high operating costs.
[0003] In order to adapt to the treatment of large-volume organic waste gas, the corresponding large-capacity organic waste gas adsorption devices have been widely used, especially large-capacity organic waste gas adsorption devices can directly regenerate the adsorbent, which has the advantages of simple operation and low operating cost. However, because the large-capacity organic waste gas adsorption device has the characteristics of large volume of equipment itself, large amount of organic waste gas adsorbed during operation, and complex waste gas components, the conventional regeneration control method has uneven regeneration, Problems such as low regeneration efficiency, large fluctuations in the concentration of regeneration exhaust gas, low utilization rate of heat energy, and large safety risks

Method used

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  • Regeneration control system and regeneration control method for organic waste gas adsorption device
  • Regeneration control system and regeneration control method for organic waste gas adsorption device
  • Regeneration control system and regeneration control method for organic waste gas adsorption device

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Embodiment

[0054] see figure 1 , the regeneration control system of an organic waste gas adsorption device in the illustration is the preferred solution of the present invention, specifically including the first regeneration return air valve 1, the second regeneration return air valve 2, the third regeneration return air valve 3, the dilution air return valve Air inlet 4, dilution air valve 5, combustible gas concentration detector 6, regeneration fan 7, heat distribution valve 8, discharge valve 9, chimney 10, regeneration air volume control valve 11, catalytic combustion device, supplementary cooling fan 15, supplementary cooling air valve 16. The first regenerative air supply valve 17 and the second regenerative air supply valve 18 .

[0055] Among them, the internal adsorbent of the exhaust gas adsorption device is arranged in four layers at intervals, and the four regeneration areas are arranged in parallel with the inner walls on both sides of the exhaust gas adsorption device box....

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Abstract

The invention discloses a regeneration control system and a regeneration control method for an organic waste gas adsorption device. The organic waste gas adsorption device comprises a catalytic combustion device, adsorbents in the waste gas adsorption device are arranged into a plurality of regeneration areas at intervals in a layered manner, a plurality of regeneration gas distribution areas areformed in gaps among the adjacent regeneration areas and gaps among the regeneration areas on the two sides and a box body of the waste gas adsorption device, the regeneration gas distribution areas are sequentially and alternately provided with regeneration air return openings or regeneration air supply openings, the regeneration air return openings are respectively and correspondingly provided with regeneration air return valves, the regeneration air supply openings are respectively and correspondingly provided with regeneration air supply valves, the regeneration air return openings are inparallel connection with the air inlet end of the catalytic combustion device through regeneration fans, the regeneration air supply openings are in parallel connection with the air outlet end of thecatalytic combustion device through regeneration air volume adjusting valves, and heat distribution valves are further in parallel connection to an air inlet of the catalytic combustion device and thetwo ends of the regeneration air volume adjusting valves. The regeneration control method disclosed by the invention is an adsorbent regeneration control technology for the large-capacity organic waste gas adsorption device, and the adsorbent regeneration control technology has the advantages of evenness, stability, high efficiency and safety.

Description

technical field [0001] The invention belongs to the field of organic waste gas treatment, and in particular relates to a regeneration control system and a regeneration control method for a large-capacity organic waste gas adsorption device. Background technique [0002] The emission of organic waste gas has the characteristics of complex composition, low concentration and large emission volume, especially the organic waste gas emitted during the coating process is mostly more than 100,000 cubic meters per hour, and the total VOCs concentration is about 100ppm. Adsorption is a cost-effective treatment method for low-concentration organic waste gas. Due to the limited adsorption capacity of a single adsorption device, it is necessary to replace the adsorbent or regenerate the adsorbent after the adsorption is saturated to maintain the treatment effect continuously. However, regular replacement of the adsorbent has problems such as heavy operating workload and high operating co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/02F23G7/07
Inventor 胡胜刘伟王延斌黄贵虎
Owner AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
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