Boiler wet flue gas condensing, water-collecting and fog-clearing system utilizing power station waste heat to refrigerate

A technology of waste heat refrigeration and flue gas treatment system, which is applied in the direction of boiler absorber, refrigerator, refrigeration components, etc. It can solve the problems of low energy utilization rate, poor energy saving and environmental protection effect, and insufficient fog elimination, and achieve condensation effect Reliable, achieve environmental benefits, and improve operating efficiency

Inactive Publication Date: 2019-07-30
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned technical solutions still have the defects of insufficient fog removal, poor energy saving and environmental protection effects, and low energy utilization rate.

Method used

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  • Boiler wet flue gas condensing, water-collecting and fog-clearing system utilizing power station waste heat to refrigerate
  • Boiler wet flue gas condensing, water-collecting and fog-clearing system utilizing power station waste heat to refrigerate

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Effect test

Embodiment 1

[0032] Such as figure 1 As shown, in this embodiment, a boiler wet flue gas condensation water collection and mist elimination system utilizing waste heat from a power station includes a plurality of boiler unit flue gas treatment systems, and one boiler unit flue gas treatment system is the main boiler unit flue gas treatment system The system includes a waste heat generator 1 , a dust collector 2 , a desulfurization tower 3 , an evaporator 7 and a chimney 4 connected in sequence, and also includes a condenser 5 and an absorber 9 .

[0033] The waste heat generator 1 is provided with a generator heat exchanger 101 through which flue gas passes, and the chamber outside the generator heat exchanger 101 is filled with refrigerant-absorbent solution.

[0034] The evaporator 7 is provided with an evaporator heat exchanger 701 through which flue gas passes, and the top of the evaporator 7 is provided with a spraying device for spraying the evaporator heat exchanger 701 .

[0035] ...

Embodiment 2

[0058] The difference between this embodiment and the embodiment is: as figure 2 As shown, the flue gas treatment system of the main boiler unit and the flue gas treatment system of the auxiliary boiler unit not only share a refrigeration system, but also share a chimney 4, thereby reducing investment costs.

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Abstract

The invention discloses a boiler wet flue gas condensing, water-collecting and fog-clearing system utilizing power station waste heat to refrigerate. The wet flue gas condensing, water-collecting andfog-clearing system comprises a plurality of boiler unit flue gas treatment systems, wherein one boiler unit flue gas treatment system is a main boiler unit flue gas treatment system, and comprises awaste heat generator, a dust collector, a desulfurization tower, an evaporator and a chimney which are sequentially connected, and further comprises a condenser and a heat absorber; the rest of the boiler unit flue gas treatment systems are secondary boiler unit flue gas treatment systems, and each secondary boiler unit flue gas treatment system comprises a waste heat exchanger, a dust collector,a desulfurization tower, an evaporator and a chimney which are sequentially connected. The boiler wet flue gas condensing, water-collecting and fog-clearing system achieves water-collecting and fog-clearing of flue gas of multiple units while realizing sufficient utilization of flue gas waste heat, and realizes certain water-saving earnings and environment-friendly benefits.

Description

technical field [0001] The invention relates to the technical field of power station boiler and industrial boiler chimney smoke plume treatment, in particular to a boiler wet flue gas condensation water collection and mist elimination system utilizing waste heat from a power station for refrigeration. Background technique [0002] According to national environmental protection requirements, power plant boilers or industrial boilers must desulfurize and denitrify the flue gas before they can be discharged. At present, the most commonly used desulfurization method is wet flue gas desulfurization, which consumes a lot of water. After desulfurization, the flue gas is basically supersaturated wet smoke The air contains a lot of moisture and is easy to form white smoke plume, which not only causes visual pollution and environmental pollution, deteriorates the urban landscape, but also aggravates the formation of smog, so the control of smoke plume is imminent. At the same time, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J15/06F23J15/02F25B30/06F25B35/00F25B39/00
CPCF23J15/02F23J15/06F25B30/06F25B35/00F25B39/00Y02A30/27Y02B30/62Y02E20/30
Inventor 王为术徐维晖刘军郑毫楠郭玲伟闫友志李闯李全功
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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