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Flue gas desulfurization apparatus and desulfurization method thereof

A desulfurization device and flue gas technology, applied in the field of flue gas purification, can solve problems such as insufficient absorption, and achieve the effect of simple structure

Active Publication Date: 2019-02-19
胜利油田华胜电业建筑有限责任公司
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Problems solved by technology

[0002] Industrial flue gas desulfurization adopts sulfur dioxide into 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 to form gypsum by-product; Absorption of sulfur dioxide in the flue gas; the existing method often uses a pressurized nozzle to spray lime water slurry into the flue gas, and then realizes the leaching and absorption of the flue gas. This method often has the disadvantage of insufficient absorption

Method used

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  • Flue gas desulfurization apparatus and desulfurization method thereof
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  • Flue gas desulfurization apparatus and desulfurization method thereof

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] as attached Figures 1 to 5 The flue gas desulfurization device shown is characterized in that it includes a desulfurization box 2, and the desulfurization box 2 is an inclined rectangular box structure; The desulfurization inclined passage; the inclined short end of the desulfurization inclined passage is provided with a low liquid storage tank 28; the inclined high end of the desulfurization inclined passage is provided with a high liquid storage tank 29; A circulation pipe 12, the circulation pipe 12 is also provided with a circulating liquid pump 10, the liquid suction end of the circulation pipe 12 is connected to the bottom of the low liquid storage tank 28; the liquid outlet end of the circulation pipe 12 is connected to the Describe the high-level liquid storage tank 29, which is provided with a stirring device to prevent precipitation in the high-level...

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Abstract

The invention discloses a flue gas desulfurization apparatus, comprising a desulfurization tank which is of inclined rectangular tank structure. A desulfurization inclined passage as inclined as the desulfurization tank is arranged in a tank body of the desulfurization tank; the inclined lower end of the desulfurization inclined passage is provided with a low liquid-storing trough; all desulfurizing stirring blades above liquid levels in a first desulfurizing blade-wheel rotation chamber, a second desulfurizing blade-wheel rotation chamber and a third desulfurizing blade-wheel rotation chamber, and a plurality of hollow desulfurizing holes are continuously wetted by a slurry; flue gas is continuously wetted by the lime slurry at the hollow desulfurizing holes when passing through the hollow desulfurizing holes; sulfur dioxide is mixed in water to form sulfurous acid; the sulfurous acid reacts with calcium carbonate in the lime slurry to generate calcium sulfite; therefore, sulfur dioxide in the flue gas is absorbed.

Description

technical field [0001] The invention belongs to the field of flue gas purification, in particular to a flue gas desulfurization device and a desulfurization method thereof. Background technique [0002] Industrial flue gas desulfurization adopts sulfur dioxide into 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 to form gypsum by-product; Absorption of sulfur dioxide in the flue gas; the existing method often uses a pressurized nozzle to spray lime water slurry into the flue gas, thereby realizing the leaching and absorption of the flue gas. This method often has the disadvantage of insufficient absorption. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a flue gas desulfurization device with sufficient absorption. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/80B01D53/50
CPCB01D53/504B01D53/80B01D2251/404B01D2251/606B01D2258/0283
Inventor 陆炯
Owner 胜利油田华胜电业建筑有限责任公司
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