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Deep fog and dust removal apparatus

A technology of dust removal device and depth, applied in the direction of combination device, dispersed particle separation, chemical instrument and method, etc., can solve the problems of difficult application, easy blockage and difficult flushing of desulfurization system, so as to reduce the risk of corrosion and blockage, and reduce the amount of waste water. Small, low water consumption effect

Inactive Publication Date: 2016-06-15
GUODIAN NANJING AUTOMATION
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AI Technical Summary

Problems solved by technology

Although the wire mesh demister has a high demisting efficiency, it is not easy to flush, easy to block, and difficult to apply in the desulfurization system; the existing technology has not yet solved such problems

Method used

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  • Deep fog and dust removal apparatus
  • Deep fog and dust removal apparatus

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Embodiment Construction

[0022] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0023] The deep demist and dust removal device includes: the intake smoke box 1, the rotary filter bed 6 that intercepts and absorbs the mist and smoke in the intake smoke box 1, the gas outlet smoke box 7 that receives the gas passing through the rotary filter bed 6, and is submerged and rotated One end of the filter bed 6 and clean the water cleaning assembly 9 of the rotary filter bed 6 .

[0024] The rotary filter bed 6 consists of: a shell 3 connected to the intake smoke box 1 and the exhaust smoke box 7, a circulation transmission component placed in the shell 3, and a filter bed 6 wrapping the circulation transmission component. In order to let the flue gas evenly enter the rotary filter bed 6 and improve the filtration efficiency, an airflow uniform distribution plate 2 is provided between the intake smoke box 1 and the rotary fil...

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Abstract

The invention discloses a deep fog and dust removal apparatus including a gas inlet smoke box, a rotary filter bed for blocking and adsorbing fog drops and smoke dust in the gas inlet smoke box, a gas outlet smoke box for receiving the gas passing through the rotary filter bed, and a water cleaning assembly, in which one end of the filter bed is immersed for cleaning the rotary filter bed. The deep fog and dust removal apparatus is used for flue gas emission treatment after wet desulfurization, can remove ultrafine fog drops and dust being not less than 3 [mu]m, and is more than 90% in fog removal efficiency.

Description

technical field [0001] The invention relates to the field of environmental protection equipment, in particular to a flue gas purification device. Background technique [0002] The wet desulfurization exhaust of thermal power plants contains a certain concentration of mist droplets (the concentration of mist droplets in the flue gas is generally 75mg / Nm 3 ), the mist droplets contain gypsum (gypsum accounts for about 20%), especially the gypsum content in the large-size mist droplets cannot be ignored, and about half of the dust in the exhaust smoke comes from the entrainment of mist droplets. In order to further reduce dust emissions and meet the requirements of "ultra-clean smoke and dust emissions", it is necessary to install a high-efficiency demister in the flue at the rear of the desulfurization tower. [0003] The current desulfurization demister (whether it is the demister inside the tower or the flue type demister outside the tower) is only effective for large fog d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
CPCB01D50/60
Inventor 王磊付启文傅仕海李依琼许鹏成云文泽
Owner GUODIAN NANJING AUTOMATION
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