Flue gas purifying method and apparatus for bag type dust remover

A bag-type dust collector and flue gas purification technology, applied in chemical instruments and methods, combined devices, separation methods, etc., can solve the problems of low utilization rate of adsorbents, reduced dust removal efficiency, large equipment investment, etc., and can be easily promoted. The effect of using, simple process, reliable and safe operation

Inactive Publication Date: 2004-01-07
TSINGHUA TONGFANG CO LTD +1
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Problems solved by technology

Adhesive flue gas will cause the filter bag of the bag filter to form a "paste bag" during the dust removal process, forming a dust cake on the surface of the film, which is difficult to remove and reduces the dust removal efficiency
The utility model patent with the application number of 95230433.3 mainly adopts a purification device

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  • Flue gas purifying method and apparatus for bag type dust remover
  • Flue gas purifying method and apparatus for bag type dust remover

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[0012] The method of the present invention has been described in the content of the invention, and the solutions are exactly the same, and will not be repeated.

[0013] Referring to the accompanying drawings, the device of the present invention includes a bag filter 1 composed of a flue gas inlet 2, an ash bin 3, a filter layer 5 and a smoke exhaust port 6. Air fluidizers 4 are arranged in each ash bin 3 on the lower side of the flue gas port 2. The compressed air required by each air fluidizer 4 can be supplied by a connected compressed air pipe, or by a bag filter ash cleaning device supply of compressed air.

[0014] Under the action of the air fluidizer 4, the adsorbent in the ash bin 3 at the lower part of the flue gas inlet 2 of the bag filter 1 is fluidized to a certain height, and the flue gas containing viscous dust enters the flue gas inlet 2 of the dust collector 1, It flows through the lower ash bin 3, and carries the fluidized fly ash to the filter layer 5. The ...

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Abstract

The present invention relates to a flue gas cleaning method using bag-type dust collector and its equipment. Said invented method includes the following steps: (1) using air fluidization device in every ash chamber positioned in the lower side of flue gas inlet to make the fly ash particles in the ash chamber, i.e. adsorption agent into the fluidization state; (2). feeding the flue gas into dust collector through flue gas inlet and carrying the fly as to filtering layer; (3) making the fly ash particles and oil mist produce collision, adsorption and agglomeration, at the same time adsorbing harmful gas component; (4). filtering dust and falling the separated flyash into ash chamber, using it as adsorbent to reuse; and (5). making cleaned flue gas pass through flue gas outlet and come intodischarge system.

Description

technical field [0001] The invention relates to a method for purifying flue gas of a bag type dust collector and a device for realizing the method, belonging to the technical field of flue gas purification and dust removal. Background technique [0002] The dust contained in the flue gas emitted during industrial production has different characteristics. The flue gas emitted by the oil-fired boiler contains oil mist, and the flue gas is adhesive; the flue gas emitted by the coking oven contains coal dust and tar, which also belongs to Viscous fumes. Adhesive flue gas will cause the filter bag of the bag filter to form a "paste bag" during the dust removal process, and form a dust cake on the surface of the film, which is difficult to remove and reduces the dust removal efficiency. The utility model patent with the application number of 95230433.3 mainly adopts a purification device that adds adsorbent to the flue gas before the dust collector to achieve the purpose of purif...

Claims

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Application Information

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IPC IPC(8): B01D46/02B01D50/00
Inventor 徐纪清孙俊民姚强项光明刘惠永王小立曹慧芳王英波
Owner TSINGHUA TONGFANG CO LTD
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