Flue gas water collection and pollutant removal device with phase change degree regulation and control and electrostatic coupling

Abstract

The invention discloses a flue gas water collection and pollutant removal device based on phase change degree regulation and electrostatic coupling. The device comprises a discharge structure, a dustcollection structure and a heat exchange structure, the discharge structure is arranged in the dust collection structure; the discharge structure comprises at least one metal electrode; an inner-layerheat exchange water pipe is arranged in each metal electrode; each metal electrode is provided with a plurality of needling protrusions, the dust collection structure comprises at least one first polar plate and at least one second polar plate, a cooling water channel is formed between the first polar plate and the second polar plate, the inner-layer heat exchange water pipe and the cooling waterchannel are both communicated with a water collecting tank, and water in the water collecting tank enters the inner-layer heat exchange water pipe and the cooling water channel again after being cooled by the heat exchange structure. Cooling water is introduced into the inner-layer heat exchange water pipe and the cooling water channel to achieve smoke cooling, the metal electrode is connected with a high-voltage power source, the needling protrusions serve as a discharging surface and a heat exchange surface, and heat exchange and discharging are integrated.

Description

technical field [0001] The invention relates to the technical field of industrial flue gas pollutant removal, in particular to a flue gas water collection and pollutant removal device with phase change degree control and electrostatic coupling. Background technique [0002] With the tightening of environmental protection policies, particulate matter, SO 2 , NO x The discharge of other pollutants has been effectively controlled, the ambient air quality has been improved to a certain extent, and the number of haze days in key areas, especially the number of severe haze days, has shown a decreasing trend. However, my country's air pollutant emissions are still large in volume and wide in scope, and the ambient air quality is significantly different from that of western developed countries. Among the air pollutant emissions, industrial smoke pollutant emissions are still an important source of pollution. Especially in recent years, the phenomenon of "colored plume" has frequen...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a flue gas water collection and pollutant removal device with phase change degree regulation and electrostatic coupling, which uses flue gas heat exchange to realize phase change degree regulation, and then couples electrostatic method to realize enhanced migration of pollutants. Solved the problem of recovery and enhanced removal of water and multi-pollutants in wet flue gas

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