Efficient white smoke removing device for flue gas after WFGD (wet flue gas desulfurization) and implementation method of device

A technology of wet desulfurization and realization method, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles. It can solve problems such as chimneys not being effectively treated, and achieve easy maintenance of equipment, improvement of corporate image, and stable operation. Effect

Pending Publication Date: 2018-10-02
江苏垦乐节能环保科技有限公司
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Problems solved by technology

Therefore, the chimney "white smoke" phenomenon has not been effectively controlled

Method used

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  • Efficient white smoke removing device for flue gas after WFGD (wet flue gas desulfurization) and implementation method of device

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] Such as figure 1 As shown, a high-efficiency flue gas dewhitening device after wet desulfurization in this embodiment mainly includes a booster fan 2, a dewhitening tower 3, a cooling tower 7, a regenerator 9 and a solution tank 14 containing a LiBr solution 13 , the inlet of the booster fan 2 is connected to the flue gas guide pipe 1, the outlet of the booster fan 2 is connected to the flue gas inlet on the whitening tower 3, and the whitening tower 3 is provided with Spray layer 5 and surface cooler 4, said de-whitening tower 3 top is provided with chimney 6, described de-whitening tower 3 bottom is connected solution tank 14, and described spray layer 5 is connected solution tank 14, and described spray layer 5 and the solution tank 14 is provided with a solution pump A11, so that the LiBr solution 13 flows into the spray layer 5, t...

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Abstract

The invention relates to an efficient white smoke removing device for flue gas after WFGD (wet flue gas desulfurization) and an implementation method of the device, and belongs to the technical fieldof chemical engineering and environmental protection. The device comprises a booster fan, a white smoke removing tower and a cooling tower, wherein an inlet of the booster fan is connected with a fluegas guide pipe; an outlet of the booster fan is connected with a flue gas inlet of the white smoke removing tower; a spraying layer and a surface air cooler are arranged in the white smoke removing tower; a chimney is arranged at the top end of the white smoke removing tower; a solution tank is connected with the bottom of the white smoke removing tower; the spraying layer is connected with the solution tank; the solution tank is connected with a solution pump B, and then a solution flows to an inlet of a generator; an outlet of the generator is connected with a heat exchanger and then is connected with the solution tank; a water outlet of the heat exchanger is connected with an inlet of the cooling tower; a water inlet of the heat exchanger is connected with an outlet of the cooling tower; the inlet of the cooling tower is connected with an outlet of the surface air cooler; the outlet of the cooling tower is connected with an inlet of the surface air cooler. According to the efficient white smoke removing device for flue gas after WFGD and the implementation method of the device, flue gas is efficiently dehumidified by a LiBr solution, so that when the flue gas moves to an outletof the chimney, no white smoke is produced.

Description

technical field [0001] The invention relates to a high-efficiency flue gas whitening device after wet desulfurization and a realization method thereof. It belongs to the field of chemical industry and environmental protection technology. Background technique [0002] The current flue gas desulfurization technologies mainly include three types: wet method, dry method and semi-dry method. Among them, the wet method has simple process flow, high desulfurization efficiency, moderate investment, simple structure and high degree of flue gas purification, and has become the most widely used flue gas desulfurization technology. Gas desulfurization process. The flue gas after wet desulfurization can be discharged up to the standard, but the exhausted flue gas contains saturated water vapor, and white smoke will appear in the chimney. Our country has no requirements on the temperature of chimney exhaust gas, so the phenomenon of "white smoke" in wet flue gas is very common in our co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D53/14B01D53/26
CPCB01D53/1425B01D53/18B01D53/263B01D2252/10
Inventor 赵海浩李娟李金明张成权缪胜东孙大伟
Owner 江苏垦乐节能环保科技有限公司
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