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Spraying rotating brush dust collecting device

A technology of spraying and rotating brush type and dust removal device, which is applied in the field of boilers, can solve the requirements for the uniformity of filtering wind speed and flue gas flow speed distribution, which is not suitable for high viscosity dust and high humidity flue gas dust removal, and bag filter operation resistance. It is beneficial to particle adhesion, reduce high temperature corrosion and chemical corrosion, and has strong anti-ash blocking ability.

Inactive Publication Date: 2012-04-04
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
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AI Technical Summary

Problems solved by technology

Although the bag filter will not be affected by the dust specific resistance characteristics, it also has the following deficiencies: first, it has extremely high requirements on the material of the filter material; second, the running resistance of the bag filter is large; The uniformity requirements are extremely high; Fourth, it is not suitable for dust removal of highly viscous dust and high humidity flue gas

Method used

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  • Spraying rotating brush dust collecting device
  • Spraying rotating brush dust collecting device
  • Spraying rotating brush dust collecting device

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Embodiment Construction

[0022] See Figure 1, Figure 2, image 3 , Figure 4 , the overall structure of the present invention is that the lower part is provided with the tower body of flue gas inlet 10, and the top is provided with flue gas outlet 9, and the tower body comprises a brush filter layer, a spray layer, a mortar pool and a demister 20, and the brush The filter layer is composed of a rotating brush layer 18, a fixed brush layer 17, a transmission mechanism 6, a sealing cover 5, a speed reducer 7 and a drive motor 8. The rotating brush layer 18 and the fixed brush layer 17 are arranged alternately. In order to rotate the brush layer 18, the rotating brush layer 18 and the fixed brush layer 17 are composed of a group of brushes and brush shafts 24, the brushes are wound on the corresponding brush shafts 24, and the transmission mechanism 6 is placed in a sealed Inside the cover 5, both ends are respectively connected with the brush shaft of the rotating brush layer 18 and the output shaft of...

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Abstract

The invention discloses a spraying rotating brush dust collecting device. The entire dust collecting device is a tower body of which the lower part is provided with a flue gas inlet and the top is provided with a flue gas outlet; a demister is arranged in front of the top flue gas outlet of the tower; the middle part of the tower is provided with a spraying layer and a hair brush filtering layer; the bottom of the tower is provided with a mortar pond; the spraying layer is positioned above the hair brush filtering layer; the hair brush filtering layer consists of a plurality of rotating brush layers, a plurality of fixed brush layers, a transmission mechanism, a speed reducer and a driving motor; each rotating brush layer and each fixed brush layer consist of one group of hair brushes; the hair brushes are fixed on corresponding hair brush shafts; and each hair brush shaft of the rotating brush layer is in transmission connection with the driving motor through the transmission mechanism and the speed reducer. The spraying rotating brush dust collecting device has the characteristics of high suitability and high dust collecting efficiency, and is particularly suitable for purifying high-temperature and corrosive gases.

Description

technical field [0001] The invention relates to a dust removal device, which is suitable for dust removal equipment for coal-fired boilers in thermal power plants and flue gas of other industrial furnaces, and belongs to the technical field of boilers. Background technique [0002] According to different gas-solid separation theories, people have designed various types of dust removal equipment. Electrostatic precipitator and bag filter dust collector, as the two most representative high-efficiency dust removal devices so far, have been widely used at home and abroad. [0003] The technical principle of the electrostatic precipitator is: the gas is ionized by a DC high-voltage electric field, and then the dust particles in the flue gas are charged, and the charged particles move to the dust collecting plate driven by the electric field force and adhere to the plate. It is then collected in a hopper by mechanical cleaning methods. Although the electrostatic precipitator can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D47/14
Inventor 原永涛
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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