Wire-plate matching model of metal ceramic electric dust remover and ash removal mode

A technology of cermets and electrostatic precipitators, applied in the direction of electrode cleaning, electrode structure, external electrostatic separator, etc., can solve the problems of water film and body corrosion, wet electrostatic precipitator dust collection plate can not be formed, etc., to achieve uniform distribution Effects of promoting, saving water and reducing water consumption

Inactive Publication Date: 2015-04-08
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0004] The invention provides a metal-ceramic electrostatic precipitator pole matching type and its cleaning method to solve the problems that a complete and uniform water film cannot be formed on the dust collecting plate of the wet electrostatic precipitator and the body is corroded, so that th

Method used

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  • Wire-plate matching model of metal ceramic electric dust remover and ash removal mode
  • Wire-plate matching model of metal ceramic electric dust remover and ash removal mode
  • Wire-plate matching model of metal ceramic electric dust remover and ash removal mode

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Embodiment

[0024] Example: such as figure 1 As shown, there are mainly: 1 shell of metal ceramic electrostatic precipitator; 2 metal ceramic dust collector plate; 3 flue gas inlet; 4 flue gas outlet; 5 ash bucket; ; 8 ash cleaning water uniform distribution device; 9 air blowing device. The metal-ceramic dust-collecting pole plate 2 is connected with the shell 1 of the metal-ceramic electrostatic precipitator, and is well sealed. The cermet corona electrode 7 is placed in the center of the top of the cermet electrostatic precipitator shell 1 . The ash removal water uniform distribution device 8 is arranged on the top of the cermet dust collection plate 2, and supplies ash removal water thereto. The pneumatic blowing system 9 is connected with the inner hollow part of the cermet dust collecting plate 2 and the cermet corona electrode 9 . The ash removal water treatment device 6 is connected to the ash hopper 5 . Such as figure 2 As shown, the surface of the metal-ceramic dust-collec...

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Abstract

The invention provides a wire-plate matching model of a metal ceramic electric dust remover and an ash removal mode. The wire-plate matching model is characterized in that a dust collecting electrode and a corona electrode are made from a metal ceramic material which is high-temperature-resistant, corrosion-resistant, high in strength and good in conductivity; ventilating and permeable but dust retarding micropores are formed in the metal ceramic dust collecting electrode and the corona electrode for high-temperature and normal-temperature flue gas dust removal; the corona electrode is of a hollow structure inside and is reversely blown to remove ash by virtue of a pneumatic blowing device; the dust collecting electrode has two ash removal modes of dry type pneumatic blowing ash removal and wet microporous water-seepage ash removal. When the wet ash removal is adopted, the microporous structure of the dust collecting electrode has capillary action on ash removal water, so that ash removal water films on the surface of a polar plate are uniformly distributed, and meanwhile, the polar plate is prevented from being corroded.

Description

Technical field [0001] The invention belongs to environmental protection equipment, in particular to a pole matching type of a cermet electric dust collector and a dust cleaning method thereof. Background technique [0002] The wet electrostatic precipitator uses a layer of water film formed on the dust collecting plate to clean the dust collected on the plate. Compared with the dry electrostatic precipitator: the wet electrostatic precipitator does not require a rapping device, thereby eliminating the secondary dust caused by the rapping, and also preventing the secondary dust caused by the air flow and corona wind; because the electrode plate is always distributed With the water film flowing downward, the dust (smoke) captured on the plate is immediately washed away by the water film, so for high specific resistance dust (smoke), no back corona will occur, avoiding the resulting Secondary dust: For low specific resistance dust (smoke dust), the trapped particles will not ...

Claims

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Application Information

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IPC IPC(8): B03C3/16B03C3/53B03C3/80B03C3/78
Inventor 齐立强崔少平王丽丽曾芳
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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