White plume elimination system for flue gas and method using white plume elimination system

A flue gas and whitening technology, which is applied in the field of flue gas whitening system, can solve the problems of increased energy consumption and non-compliance, and achieve the effects of reducing water content, simple structure, and improving whitening efficiency

Pending Publication Date: 2019-03-08
浙江巨化热电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Heating and whitening itself only eliminates people's visual pollution, it will not reduce the emission of pollutants

Method used

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  • White plume elimination system for flue gas and method using white plume elimination system

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] Example 1

[0026] A flue gas whitening system, including a desulfurization tower 1, an immersed U-shaped tube bundle slurry cooling device 3, a circulation tank 4 and a circulation pump 5. The desulfurization tower 5 is sequentially provided with a mist eliminator 6, a spray layer from top to bottom 7 and the inverted quadrangular pyramid circular slurry collection device 2, the immersed U-shaped tube bundle slurry cooling device 3 is set in the circulating tank 4, the outlet of the circulating tank 4 is connected with the inlet of the circulating pump 5, and the outlet of the circulating pump 5 is connected to the desulfurization tower 1. The slurry inlet is connected, and the outlet of the inverted quadrangular pyramid-shaped circulating slurry collecting device 2 is connected with the inlet of the circulating tank 4. The desulfurization tower 1 is also provided with a desulfurization tower flue gas inlet 8 and a desulfurization tower flue gas outlet 9.

[0027] Use the ...

Example Embodiment

[0029] Example 2

[0030] A flue gas whitening system, including a desulfurization tower 1, an immersed U-shaped tube bundle slurry cooling device 3, a circulation tank 4 and a circulation pump 5. The desulfurization tower 5 is sequentially provided with a mist eliminator 6, a spray layer from top to bottom 7 and the inverted cone-shaped circulating slurry collecting device 2, the immersed U-shaped tube bundle slurry cooling device 3 is set in the circulating tank 4, the outlet of the circulating tank 4 is connected with the inlet of the circulating pump 5, and the outlet of the circulating pump 5 is connected with the desulfurization tower 1 The slurry inlet is connected, and the outlet of the inverted cone-shaped circulating slurry collecting device 2 is connected with the inlet of the circulating tank 4. The desulfurization tower 1 is also provided with a desulfurization tower flue gas inlet 8 and a desulfurization tower flue gas outlet 9.

[0031] Use the above-mentioned flue ...

Example Embodiment

[0033] Example 3

[0034] A flue gas whitening system, comprising a desulfurization tower 1, an immersed floating head tube type slurry cooling device 3, a circulation tank 4 and a circulation pump 5. The desulfurization tower 5 is sequentially provided with a mist eliminator 6, a spray layer from top to bottom 7 and the inverted quadrangular pyramid circular slurry collection device 2, the immersed floating head tube type slurry cooling device 3 is arranged in the circulating tank 4, the outlet of the circulating tank 4 is connected with the inlet of the circulating pump 5, and the outlet of the circulating pump 5 is connected to the desulfurization tower 1 The slurry inlet is connected, and the outlet of the inverted quadrangular pyramid-shaped circulating slurry collecting device 2 is connected with the inlet of the circulating tank 4. The desulfurization tower 1 is also provided with a desulfurization tower flue gas inlet 8 and a desulfurization tower flue gas outlet 9.

[003...

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Abstract

The invention discloses a white plume elimination system for flue gas. The white plume elimination system comprises a desulfurizer, a slurry cooling device, a circulating pool and a circulating pump,wherein a demister, a spray layer and a circulating slurry collection device are arranged in the desulfurizer from top to bottom sequentially, the slurry cooling device is arranged in the circulatingpool, an outlet of the circulating pool is connected with an inlet of the circulating pump, an outlet of the circulating pump is connected with a slurry inlet of the desulfurizer, and an outlet of thecirculating slurry collection device is connected with an inlet of the circulating pool. The invention further discloses a method using the white plume elimination system for the flue gas to treat the flue gas. The white plume elimination system has the advantages of being simple in structure, energy-saving, environmentally friendly and high in efficiency.

Description

technical field [0001] The invention relates to the technical field of flue gas treatment, in particular to a flue gas whitening system and a method thereof. Background technique [0002] At present, coal-fired boilers generally use limestone-gypsum wet technology for flue gas desulfurization treatment. The moisture content in the flue gas after wet desulfurization treatment is relatively large. When the flue gas is discharged into the atmosphere at the chimney mouth, due to the temperature drop, part of the vaporous water and pollutants in the flue gas will condense, forming fog at the chimney mouth. Like water vapor, forming "white smoke" around the chimney. Although the pure white smoke plume has no direct impact on the environmental quality, it will cause troubles to the lives of the surrounding residents. At present, some coal-fired power plants equipped with wet flue gas desulfurization devices, especially those close to urban areas, will take "white elimination" int...

Claims

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Application Information

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IPC IPC(8): B01D53/80B01D53/50B01D47/06
CPCB01D53/80B01D47/06B01D53/501B01D2251/404B01D2251/604B01D2258/0283
Inventor 毛双华林国辉马玉香
Owner 浙江巨化热电有限公司
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