An industrial flue gas desulfurization and dust removal system and its desulfurization and dust removal process
A technology for industrial flue gas, desulfurization and dust removal, applied in the direction of gas treatment, separation method, dispersed particle separation, etc., can solve the problem that it is difficult to purify completely, and achieve the effect of simple structure
Active Publication Date: 2021-10-01
湖南雅清环保科技股份有限公司
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Problems solved by technology
[0006] Then realize the absorption of sulfur dioxide in the flue gas; the existing method often uses a pressurized nozzle to spray the lime water slurry into the flue gas, thereby realizing the leaching and absorption of the flue gas, and often adopts a process, which is difficult to purify completely
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[0054] The present invention will be further described below in conjunction with the accompanying drawings.
[0055] as attached Figures 1 to 12 The shown industrial flue gas desulfurization and dust removal system includes industrial flue gas discharge equipment 71, dust removal equipment 74, desulfurization box 2, desulfurization tower 67 and smoke exhaust tower 75, and the exhaust end of the industrial flue gas discharge equipment 71 passes through The first smoke guide pipe 72 is connected to the smoke inlet end of the dust removal equipment 74, and the smoke outlet end of the dust removal equipment 74 is connected to the smoke inlet end of the desulfurization box 2 through the second smoke guide pipe 1, and the smoke outlet end of the desulfurization box 2 The smoke exhaust end is connected to the smoke inlet end of the desulfurization tower 67 , and the smoke outlet end of the desulfurization tower 67 is connected to the smoke inlet end of the smoke exhaust tower 75 thr...
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The invention discloses an industrial flue gas desulfurization and dust removal system, which comprises industrial flue gas discharge equipment, dust removal equipment, a desulfurization box, a desulfurization tower and a smoke exhaust tower. The smoke exhaust end of the industrial flue gas discharge equipment passes through a first smoke guide pipe Connect the smoke inlet end of the dust removal equipment, the smoke outlet end of the dust removal equipment is connected to the smoke inlet end of the desulfurization box through the second smoke guide pipe, and the smoke exhaust end of the desulfurization box is connected to the smoke inlet of the desulfurization tower The smoke outlet end of the desulfurization tower is connected to the smoke inlet end of the smoke exhaust tower through the third smoke guide pipe; the structure of this scheme is simple, and multiple absorption steps are set in this scheme to completely absorb sulfur dioxide and obtain by-products plaster.
Description
technical field [0001] The invention belongs to the field of desulfurization and dust removal, and in particular relates to an industrial flue gas desulfurization and dust removal system and a desulfurization and dust removal process thereof. Background technique [0002] Industrial flue gas contains a lot of dust and SO 2 , directly discharged to the outside world and greatly pollute the environment. Industrial flue gas desulfurization often uses sulfur dioxide dissolved in water to form sulfurous acid, and then sulfurous acid reacts with calcium carbonate in lime water slurry to form calcium sulfite, and then injects oxygen to oxidize calcium sulfite into Calcium sulfate, the reaction formula is as follows: [0003] SO 2 +H 2 O→H 2 SO 3 ; [0004] CaCO 3 +H 2 SO 3 →CaSO 3 +CO 2 +H 2 o [0005] CaSO 3 +O 2 →CaSO 4 [0006] Then realize the absorption of sulfur dioxide in the flue gas; the existing method often uses a pressurized nozzle to spray the lime wat...
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IPC IPC(8): B01D53/80B01D53/75B01D53/50
CPCB01D53/504B01D53/75B01D53/80B01D2251/404B01D2251/606B01D2258/0283
Inventor 陆炯
Owner 湖南雅清环保科技股份有限公司