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Polluted gas adsorption and desorption equipment and method

A pollution gas, adsorption and desorption technology, applied in gas treatment, separation methods, chemical instruments and methods, etc., can solve the problems of not widely used regenerative adsorbent, secondary pollution, long heating time, etc., to improve regeneration efficiency and repeatability. The ability to adsorb polluted gases, uniform and rapid heating, and the effect of prolonging service life

Pending Publication Date: 2021-08-06
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

This regeneration method has long heating time, uneven heating temperature, incomplete regeneration of some adsorbents, and secondary pollution caused by hot steam regeneration, resulting in the limited application of regenerated adsorbents.

Method used

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  • Polluted gas adsorption and desorption equipment and method

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Embodiment Construction

[0030] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0031] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" usually refer to the orientation shown with reference to the drawings. "Inner and outer" refer to inner and outer relative to the outline of each component itself.

[0032] One aspect of the present invention provides a pollution gas adsorption and desorption device, the pollution gas adsorption and desorption device 100 includes a housing assembly, a first microwave generator 160 and a second microwave generator 170, and the housing assembly includes an annular adsorption channel 140 and a first opening and a second opening communicating wit...

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Abstract

The invention relates to the technical field of pollution gas treatment, and discloses pollution gas adsorption and desorption equipment and method. The pollution gas adsorption and desorption equipment disclosed by the invention not only can adsorb pollution gas in waste gas, but also can realize uniform and rapid heating of the adsorbent by arranging an annular adsorption channel and respectively transmitting microwaves to an adsorbent in the adsorption channel from the inner side and the outer side of the adsorption channel by adopting different microwave generators; and desorption methods such as vacuum and purging can be coupled to realize thorough desorption of the adsorbent in a short time, so that the regeneration efficiency of the adsorbent and the capability of repeatedly adsorbing pollution gas are remarkably improved, and the service life of the adsorbent is effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of pollution gas treatment, in particular to a pollution gas adsorption and desorption device and method. Background technique [0002] In the existing VOCs (volatile organic compounds) adsorption treatment technology, adsorption tanks are usually used to absorb VOCs in the exhaust gas. to regenerate the adsorbent. [0003] Most of the existing adsorbent regeneration methods are heat conduction regeneration methods, which specifically heat the adsorbent sequentially from outside to inside by heating inert gas or hot steam. This regeneration method has long heating time, uneven heating temperature, incomplete regeneration of some adsorbents, and secondary pollution caused by hot steam regeneration, resulting in the limited application of regenerated adsorbents. Contents of the invention [0004] The object of the present invention is to solve the above problems and provide a device and method for adsorbin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/04
CPCB01D53/0407B01D53/0438B01D2257/708B01D2259/40086B01D2259/40094
Inventor 单晓雯尹树孟张卫华程龙军陶彬黄兆贺张健中
Owner CHINA PETROLEUM & CHEM CORP
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