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Double-filter-screen electrocoagulation purification apparatus for fine particles

A technology for fine particles and purification equipment, which is applied in the fields of dispersed particle filtration, dispersed particle separation, external electrostatic separator, etc., which can solve the problems of complex operation, large floor space and high investment cost, and achieve the improvement and reduction of the collection efficiency. The effect of floor space and high temperature recovery

Pending Publication Date: 2018-08-21
NORTH CHINA POWER ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of purification equipment composed of an electrocoagulation device connected in series with a traditional dust removal device not only occupies a large area, but also has high investment costs and is more complicated to operate.

Method used

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  • Double-filter-screen electrocoagulation purification apparatus for fine particles
  • Double-filter-screen electrocoagulation purification apparatus for fine particles
  • Double-filter-screen electrocoagulation purification apparatus for fine particles

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Embodiment Construction

[0023] Such as figure 1 , figure 2 As shown, the double-screen electrocoagulation fine particle purification equipment of the present invention includes a purification chamber 2, and the lower portion of the purification chamber 2 is provided with a gas separator 10, and the interior of the purification chamber 2 is divided into an upper purification chamber by the gas separator 10 11 and lower intake chamber 12. The side wall of the purification chamber 2 corresponding to the lower air intake chamber 12 is provided with an air inlet 1, and the purification chamber 2 corresponding to the top of the upper purification chamber is provided with an air outlet 9, and also contains an ash bucket 7, the top of which is fixed At the bottom of the purification bin 2, the bottom of the ash hopper 7 is provided with a screw ash unloading valve 8.

[0024] Multiple sets of double-layer filter cartridges are arranged in the purification chamber 2, and the double-layer filter cartridges ...

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Abstract

The invention provides a double-filter-screen electrocoagulation purification apparatus for fine particles. The double-filter-screen electrocoagulation purification apparatus is improved in that the apparatus comprises a purification cabin; the purification cabin comprises an upper purification chamber and a lower air inlet chamber; the lower air inlet chamber is provided with an air inlet; the upper purification chamber is provided with an air outlet; the purification cabin is provided with at least one group of double-layer filter cartridges penetrating the upper purification chamber and thelower air inlet chamber; the double-layer filter cartridges are composed of an inner metal membrane filter cartridge arranged on the inner side and an outer metal membrane filter cartridge sleeving an outer layer; each inner metal membrane filter cartridge is electrically connected with a grounding wire; and each outer metal membrane filter cartridge is electrically connected with an alternating-current high-voltage power source. The double-filter-screen electrocoagulation purification apparatus provided by the invention can realize charged coagulation and high-efficiency removal of fine particles in coal-fired flue gas, and has the advantages of compact structure, small occupied area, and capacity of high-efficiency removal of PM2.5 and fine particles of lower diameters in dust-containing air flow.

Description

technical field [0001] The invention relates to the technical field of air pollution control, in particular to a double-screen electrocoagulation fine particle purification equipment. Background technique [0002] Fine particulate matter directly emitted from various industrial processes is the main source of PM2.5 and an important target of PM2.5 pollution control. Coal-fired power generation is the main power generation method in my country, and the burning of a large amount of coal has caused serious harm to the ecological environment. According to statistics, the current discharge of fly ash in the country has reached 150 million tons. Although the dust removal efficiency of existing dust removal equipment can generally be as high as 99%, the capture rate of ultrafine fly ash by existing dust removal equipment is relatively low. About 1% of fly ash enters the atmosphere and constitutes the main part of atmospheric aerosols. This part of fly ash is dominated by ultrafin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/24B03C3/02
CPCB01D46/2411B03C3/02
Inventor 李明君任秀丽贾丽宋红军鲍付民
Owner NORTH CHINA POWER ENG
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