Filter cartridge dust remover with automatical and continuous dust removal function

A filter cartridge dust collector and ash cleaning technology, which is applied in the fields of dispersed particle filtration, chemical instruments and methods, dispersed particle separation, etc. Dust collector operation performance and other issues, to achieve the effect of reliable cleaning performance, improved filtration effect, and reduced investment and operating costs

Inactive Publication Date: 2011-11-02
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cyclone dust collector has a low dust removal efficiency for fine particles. The dust-containing gas after dust removal cannot meet the dust removal requirements of the process or meet the discharge requirements in some occasions, but it can perform dust removal with high-temperature airflow; wet dust removal is prone to secondary pollution; Although the filter performance of the bag type dust removal is good, it has requirements on the temperature and humidity of the dusty gas. During the operation, the bag is fatigued and damaged due to the frequent actions of filtering and dust removal. The maintenance is difficult, the maintenance period is short, and the cost is high; Electrostatic precipitators have special requirements on dust characteristics, airflow temperature and airflow moisture content, and their versatility is not strong; the granular layer filter cartridge has the function of a bag filter, and its ability to withstand high temperature and fatigue damage is much higher than that of a bag. However, the granular layer dust removal has obvious application advantages in high temperature o

Method used

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  • Filter cartridge dust remover with automatical and continuous dust removal function
  • Filter cartridge dust remover with automatical and continuous dust removal function
  • Filter cartridge dust remover with automatical and continuous dust removal function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 As shown, the filter cartridge 12 is fixed, and the structure in which the jet nozzle 2 rotates around the axis is: a rotating bearing 5 is installed between the compressed air delivery pipe 11 and the top surface of the housing 3 . The upper port of the compressed air delivery pipe 11 is connected to the electric valve 8; a sealing structure 7 and a transmission reduction device 6 are also arranged at the compressed air delivery pipe 11 between the electric valve 8 and the rotating bearing 5, and the compressed air delivery pipe 11 is connected to the transmission reduction device 6. The transmission reduction device 6 is connected to the air motor 9 , and the air motor 9 is fixedly installed on the top surface of the housing 3 . The compressed air delivery pipe 11 is driven to rotate by the air motor 9 and the transmission reduction device 6. The power of the air motor 9 comes from the compressed air for cleaning dust, and the speed of the compressed ...

Embodiment 2

[0025] Such as Figure 4As shown, the filter cartridge 12 is rotated around the axis, and the jet nozzle 2 is fixed. The compressed air delivery pipe 11 directly extends vertically from the top of the housing 3 to the bottom of the filter cartridge 12 , and the high-speed airflow is controlled by the electric valve 8 to enter the compressed air delivery pipe 11 from the outside and spray out through the air nozzle 2 . An electric motor 18 is arranged below the bottom of the filter cartridge 12. The electric motor 18 is connected to the bottom of the filter cartridge 12 through a rotating shaft, and the electric motor 18 drives the filter cartridge 12 to rotate. The air jet nozzle 2 sprays air to the filter cartridge 12 to remove dust, and the filter cartridge 12 rotates once to complete a filter dust removal.

Embodiment 3

[0027] Such as Figure 5 As shown, in the housing 3, two filter cartridges 12 are installed at intervals along the horizontal direction, and the two filter cartridges 12 are connected together, and the upper ports of the two filter cartridges 12 are connected by a partition, and the two filter cartridges 12 The electric valves 8 are connected in parallel, and according to the set control program, the two filter cartridges are cleaned in sequence within the specified time, or according to the given cleaning cycle. Similarly, the present invention can be extended to more than two filter cartridges 12 .

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Abstract

The invention discloses a filter cartridge dust remover with an automatical and continuous dust removal function, which can remove dust or recover materials at a high temperature. The dust remover is characterized in that a filter cartridge is coaxially fixed in a shell; a compressed air delivery pipe is coaxial with the filter cartridge and vertically stretches into the bottom of the filter cartridge from the outside of the top of the shell; the compressed air delivery pipe in the filter cartridge is vertically communicated with an air nozzle which faces to an side wall of the filter cartridge; high-speed airflows are transmitted to the compressed air delivery pipe from the outside and sprayed out by the air nozzle; a support framework is arranged at the outermost layer of the side wall of the filter cartridge and a second wire mesh is arranged at the innermost layer of the side wall of the filter cartridge; and the support framework is fixedly adhered to a first wire mesh and filter materials are filled in the space between the first wire mesh and the second wire mesh. The filter cartridge dust remover is simple in structure and reliable in dust-removing performance; the fatigue loss is prevented when the filter cartridge filters materials; and the filter cartridge dust remover is long in service life.

Description

technical field [0001] The invention relates to a dust collector, which is used for dust removal and purification or material recovery of industrial gases at high temperature, such as dust removal of coal-fired boiler flue gas, kiln flue gas dust removal, cupola flue gas dust removal, coke oven coal-fueled flue gas dust removal, Coal preparation system dust removal, especially the recovery of precious metals in high-temperature flue gas during the smelting process, can also be used to remove harmful gas components in the gas. Background technique [0002] Industrial gas dust removal and purification methods include: single-tube or multi-tube cyclone dust removal, wet dust removal, bag dust removal, electrostatic dust removal and granular layer dust removal. The application occasions are divided into high-temperature dust removal and low-temperature dust removal. The cyclone dust collector has a low dust removal efficiency for fine particles. The dust-containing gas after du...

Claims

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Application Information

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IPC IPC(8): B01D46/24B01D46/42
Inventor 张敏王助良王磊
Owner JIANGSU UNIV
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