CN219251979U

CN219251979U - Tail gas treatment device

Info

Publication number: CN219251979U
Application number: CN202320727589.XU
Authority: CN
Inventors: 吕培; 韦干禹; 朱勇
Original assignee: Hechi Wangneng Environmental Energy Co ltd
Current assignee: Hechi Wangneng Environmental Energy Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-27
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the technical field of dust removal and discloses a tail gas treatment device which comprises a dust removal box, wherein a filter bag is arranged in the dust removal box, a top cover is rotatably arranged at the top of the dust removal box, an air injection system is fixed on the top cover, telescopic rods are rotatably arranged at two ends of the top cover, the bottom of each telescopic rod is rotatably connected to the dust removal box, the tail gas treatment device is fixedly connected with the top cover, the top cover is connected to the top of the dust removal box through the telescopic rods, the top cover and the air injection system on the top cover can be synchronously driven to be opened when the telescopic rods are telescopic, the same is used during installation, and the air injection system is not required to be installed and detached with the dust removal box again in the process of opening or closing the top cover, so that the filter bag in the dust removal box can be replaced more conveniently.

Description

Tail gas treatment device

Technical Field

The utility model relates to the technical field of dust removal, in particular to a tail gas treatment device.

Background

The thermal power plant generates electricity through the coal-fired boiler, and in the electricity generation process, tail gas mainly comes from flue gas generated by boiler combustion, and the flue gas comprises fly ash, coal dust, sulfur dioxide, carbon monoxide, carbon dioxide and the like, so that the discharged flue gas needs to be purified through tail gas treatment equipment when the tail gas is discharged.

The existing tail gas treatment equipment mostly comprises a cyclone cooling dust remover, a cloth bag dust remover, a spray tower and the like, fly ash and coal dust are treated by an internal filter bag aiming at the cloth bag dust remover, an air injection system is generally installed on a cloth bag for avoiding filter bag blockage, the air injection system is fixed on a box body, and a spray pipe in the air injection system is positioned at the top of the filter bag.

The filter bag needs to be replaced regularly in the using process, the top cover of the dust remover needs to be opened in advance in the existing replacement mode, the filter bag can be replaced normally after the air injection system on the dust remover is disassembled, the air injection system needs to be installed again after the disassembly, and the operation is troublesome.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a tail gas treatment device which has the advantages of the like, and in order to achieve the purposes, the utility model provides the following technical scheme: the utility model provides a tail gas treatment device, includes the dust removal case, the internally mounted of dust removal case has the filter bag, the top cap is installed in the top rotation of dust removal case, be fixed with jet system on the top cap, the telescopic link is installed in the both ends of top cap all rotation, the bottom of telescopic link is rotated and is connected on the dust removal case.

Preferably, a pattern plate is arranged in the dust removal box, and the filter bags are equidistantly distributed on the pattern plate.

Preferably, the air injection system comprises an air distribution bag, a connecting pipe, a spray pipe and a pulse electromagnetic valve, wherein the air distribution bag is fixed on the top cover, the connecting pipe is connected to the bottom of the air distribution bag, the spray pipe is fixed to the bottom of the connecting pipe, and the pulse electromagnetic valve is installed on the connecting pipe.

Preferably, the telescopic rod is any one of an electric push rod, a hydraulic push rod or a pneumatic push rod.

Preferably, an air outlet pipe is arranged at the top of the top cover, an air inlet pipe is arranged on the side face of the dust removing box, and the air inlet pipe is positioned at the bottom of the filter bag.

Preferably, the dust removing pipe is fixed at the middle position of the bottom of the dust removing box, the supporting rod is fixed at the corner of the bottom of the dust removing box, and the climbing ladder is arranged on the side surface of the dust removing box.

In summary, the utility model has the following beneficial effects:

this tail gas processing apparatus, jet system and top cap fixed connection, and the top cap passes through the telescopic link to be connected at the top of dust collection box, and then can drive the jet system on top cap and the top cap in step when the telescopic link is flexible and open, the same reason in the time of installation, and then just need not install jet system again with the dust collection box and dismantle the in-process of opening or closing the top cap, can more conveniently change the inside filter bag of dust collection box.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the front cross-sectional structure of the present utility model.

Wherein: 1. a dust removal box; 2. a filter bag; 3. a top cover; 4. an air injection system; 5. a telescopic rod; 6. a flower plate; 7. dividing the air bag; 8. a connecting pipe; 9. a spray pipe; 10. a pulse type electromagnetic valve; 11. an air outlet pipe; 12. an air inlet pipe; 13. an ash discharge pipe; 14. a support rod; 15. climbing ladder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an exhaust gas treatment device includes a dust removal box 1, a pattern plate 6 is fixed in the dust removal box 1, a plurality of filter bags 2 are installed on the pattern plate 6, the filter bags 2 are equidistantly distributed on the pattern plate 6, a top cover 3 is rotatably installed at the top of the dust removal box 1, an air inlet is installed at one side of the dust removal box 1, an air outlet is installed at the top of the top cover 3, and the air outlet is located at the bottom of the filter bags 2.

Through above-mentioned technical scheme, export the tail gas that will treat from the air inlet, filter the back from the gas outlet at top and export clean gas through inside filter bag 2, the in-process air inlet spun flue gas that the air inlet was admitted air is less than filter bag 2, in the in-process of air inlet output flue gas, the flue gas generally has certain initial velocity, and the particulate matter in the flue gas can cause certain damage to filter bag 2 if directly facing filter bag 2 in long-term use, from this setting, can prolong filter bag 2's life.

The dust removing pipe 13 is fixed at the middle position of the bottom of the dust removing box 1, the supporting rods 14 are fixed at the corners of the bottom of the dust removing box 1, reinforcing rods are further arranged between the supporting rods 14, and particles in tail gas can fall from the filter bag 2 after being filtered by the filter bag 2 and finally are discharged from the dust removing pipe 13.

The front end and the rear end of the top cover 3 are respectively provided with a telescopic rod 5 in a rotating way, in the implementation, the telescopic rods 5 can be realized by adopting any one of a pneumatic push rod, a hydraulic push rod or an electric push rod, the bottom of the telescopic rods 5 is rotatably arranged on the dust removal box 1, and meanwhile, the top cover 3 is also fixedly provided with an air injection system 4;

specifically, the air injection system 4 comprises an air distribution bag 7 fixed on the top cover 3, a plurality of connecting pipes 8 are fixed at the bottom of the air distribution bag 7, the connecting pipes 8 extend into the top cover 3, a plurality of spray pipes 9 are fixed at the top of the connecting pipes 8, the positions of the spray pipes 9 are in one-to-one correspondence with the positions of the filter bags 2, and pulse electromagnetic valves 10 are arranged on each connecting pipe 8.

According to the technical scheme, dust attached to the filter bag 2 can be treated by the air injection system 4, the pulse electromagnetic valve 10 is opened at regular time, so that compressed air in the air distribution bag 7 is injected from the injection pipe 9 through the connecting pipe 8, and air injected by the injection pipe 9 directly acts on the filter bag 2 to treat the attached dust on the filter bag 2;

simultaneously when changing filter bag 2, can start telescopic link 5, when telescopic link 5 is flexible, drive the top cap 3 at top in order to rotate with dust removal case 1 rotation position, and then open top cap 3, the in-process that opens is synchronous drive the above air jet system 4 open together, after opening operating personnel can directly change filter bag 2 in the dust removal case 1 can, reset telescopic link 5 after changing, top cap 3 reinstallates on dust removal case 1, realize the seal to dust removal case 1, however in this process is more convenient with the mode that top cap 3 was opened, and air jet system 4 is together fixed with top cap 3, do not need to install air jet system 4 again and dismantle, save the operation step, it is more convenient to change.

When changing filter bag 2, operating personnel accessible dust removal case 1 next door climb the top of dust removal case 1 with climbing ladder 15, start telescopic link 5, drive top cap 3 through the extension of telescopic link 5 and turn over, operating personnel enters into the inside of dust removal case 1 and changes filter bag 2 after turning over, install the dust removal case 1 again with the top cap 3 with the control telescopic link 5 is flexible after changing, spray tube 9 in the in-process jet system 4 again can be aligned with filter bag 2 again, do not need to install again and dismantle jet system 4.

Standard parts used in the application files can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tail gas treatment device, includes dust removal case (1), its characterized in that: the inside mounting of dust removal case (1) has filter bag (2), top cap (3) are installed in the top rotation of dust removal case (1), be fixed with jet system (4) on top cap (3), telescopic link (5) are all installed in the rotation of both ends of top cap (3), the bottom of telescopic link (5) is rotated and is connected on dust removal case (1).

2. An exhaust gas treatment device according to claim 1, wherein: the inside of the dust removal box (1) is provided with a flower plate (6), and the filter bags (2) are equidistantly distributed on the flower plate (6).

3. An exhaust gas treatment device according to claim 1, wherein: the jet system (4) comprises a gas distribution bag (7), a connecting pipe (8), a jet pipe (9) and a pulse electromagnetic valve (10), wherein the gas distribution bag (7) is fixed on the top cover (3), the connecting pipe (8) is connected to the bottom of the gas distribution bag (7), the jet pipe (9) is fixed to the bottom of the connecting pipe (8), and the pulse electromagnetic valve (10) is installed on the connecting pipe (8).

4. An exhaust gas treatment device according to claim 1, wherein: the telescopic rod (5) is any one of an electric push rod, a hydraulic push rod or a pneumatic push rod.

5. An exhaust gas treatment device according to claim 1, wherein: an air outlet pipe (11) is arranged at the top of the top cover (3), an air inlet pipe (12) is arranged on the side face of the dust removal box (1), and the air inlet pipe (12) is positioned at the bottom of the filter bag (2).

6. An exhaust gas treatment device according to claim 1, wherein: the dust removal device is characterized in that an ash discharge pipe (13) is fixed at the middle position of the bottom of the dust removal box (1), a supporting rod (14) is fixed at the corner of the bottom of the dust removal box (1), and a climbing ladder (15) is installed on the side face of the dust removal box (1).