CN216171406U

CN216171406U - Automatic dust collector of SCR denitration catalyst

Info

Publication number: CN216171406U
Application number: CN202122550270.8U
Authority: CN
Inventors: 赵会民; 孙杰; 刘长东; 李兵
Original assignee: Jiangsu Zhongchuang Qingyuan Technology Co ltd
Current assignee: Jiangsu Zhongchuang Qingyuan Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of dust removal devices, and discloses an automatic dust removal device for an SCR (selective catalytic reduction) denitration catalyst, which comprises a dust removal device main body and an SCR denitration catalyst main body, wherein the side wall of one side of the dust removal device main body is communicated with a high-pressure air pump, the inner wall of the dust removal device main body is fixedly connected with a partition plate, and the side wall of one side of the partition plate is provided with a through hole. According to the utility model, through the arrangement of the annular groove, the matched use of the soft rubber layer and the air pipe and the like, the annular groove can be inflated through the air pipe and the like, so that the soft rubber layer is bulged towards one side, the bulged soft rubber layer is utilized to seal the gap between the dust removal device main body and the SCR denitration catalyst body, and the problem that the SCR denitration catalyst body is likely to be blown open when the SCR denitration catalyst body is blown is avoided, and the waste is further caused because a part of air is leaked from the gap between the SCR denitration catalyst main body and the dust removal device main body.

Description

Automatic dust collector of SCR denitration catalyst

Technical Field

The utility model relates to the technical field of dust removal devices, in particular to an automatic dust removal device for an SCR denitration catalyst.

Background

In order to increase the contact area between the SCR denitration catalyst and the exhaust gas, the SCR denitration catalyst is generally designed to be porous, and since it is expensive to replace the SCR denitration catalyst with a new one, it is possible to selectively regenerate the deactivated catalyst for the economical operation of the denitration system.

Currently, the most economical and mainstream regeneration method generally comprises the steps of cleaning ash, recovering an acid site by water or acid washing, and reloading an active substance, and the existing device for cleaning an ash-removing SCR denitration catalyst generally utilizes high-pressure air to sweep dust adhered to the SCR denitration catalyst, and when the device for cleaning an ash-removing SCR denitration catalyst blows off the dust on the SCR denitration catalyst, a part of air leaks from a gap between the SCR denitration catalyst and a dust removal device, so that waste is caused.

Therefore, the SCR denitration catalyst automatic dust removal device solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an automatic dust removal device for an SCR denitration catalyst.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic dust removal device for an SCR denitration catalyst comprises a dust removal device main body and an SCR denitration catalyst main body, wherein a high-pressure air pump is communicated with the side wall of one side of the dust removal device main body;

the inner wall fixedly connected with baffle of dust collector main part, and one side lateral wall of baffle has seted up the through-hole, the first solenoid valve of inner wall fixedly connected with of through-hole, a plurality of ring channels have been seted up to the inner wall of dust collector main part, and the inner wall fixedly connected with soft glue film of ring channel, the one side lateral wall intercommunication of dust collector main part has the trachea, and tracheal lateral wall intercommunication has a plurality of branch pipes, and is a plurality of the branch pipe communicates a plurality of ring channels setting respectively, tracheal one section is inserted and is equipped with second solenoid valve, one side intercommunication of ring channel has the pressure relief valve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the annular groove, the matched use of the soft rubber layer and the air pipe and the like, the annular groove can be inflated through the air pipe and the like, so that the soft rubber layer is bulged towards one side, the bulged soft rubber layer is utilized to seal the gap between the dust removal device main body and the SCR denitration catalyst body, and the problem that the SCR denitration catalyst body is likely to be blown open when the SCR denitration catalyst body is blown is avoided, and the waste is further caused because a part of air is leaked from the gap between the SCR denitration catalyst main body and the dust removal device main body.

2. According to the utility model, the baffle plate is arranged to block air, so that the air directly blows against holes on the SCR denitration catalyst body from the air holes, the roller is arranged to reduce the friction force between the SCR denitration catalyst body and the dust removal device body when the SCR denitration catalyst body is inserted into the dust removal device body, so that the SCR denitration catalyst body can be inserted conveniently, the second electromagnetic valve is closed after the pressure in the annular groove reaches a certain degree by arranging the barometer, so that the phenomenon that too much air enters the annular groove and the soft rubber layer is crushed is avoided, the SCR denitration catalyst body touches the touch switch by arranging the touch switch when the SCR denitration catalyst body is inserted into a certain position in the dust removal device body, so that the second electromagnetic valve is opened, and the plate is matched with the handle, the baffle is convenient to take out, and when the SCR denitration catalyst bodies of different types are swept, the baffle corresponding to the holes in the SCR denitration catalyst body in a one-to-one mode can be replaced.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic dust removal device for an SCR denitration catalyst according to the present invention;

FIG. 2 is a schematic cross-sectional view of an automatic dust removal device for an SCR denitration catalyst according to the present invention;

fig. 3 is a schematic structural diagram of a soft rubber layer of the automatic dust removal device for the SCR denitration catalyst provided by the utility model.

In the figure: 1. a dust removal device main body; 2. an SCR denitration catalyst body; 3. a high pressure air pump; 4. a partition plate; 5. a first electromagnetic valve; 6. an annular groove; 7. a soft adhesive layer; 8. an air tube; 9. a branch pipe; 10. a second electromagnetic valve; 11. a baffle plate; 12. a roller; 13. a barometer; 14. a touch switch; 15. a plate block; 16. a pressure relief valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an automatic dust removal device for an SCR denitration catalyst comprises a dust removal device main body 1 and an SCR denitration catalyst main body 2, wherein a high-pressure air pump 3 is communicated with a side wall of one side of the dust removal device main body 1;

inner wall fixedly connected with baffle 4 of dust collector main part 1, and the through-hole has been seted up to one side lateral wall of baffle 4, the first solenoid valve 5 of inner wall fixedly connected with of through-hole, a plurality of ring channels 6 have been seted up to the inner wall of dust collector main part 1, and the inner wall fixedly connected with soft glue film 7 of ring channel 6, what one side lateral wall of dust collector main part 1 communicates has trachea 8, and trachea 8's lateral wall intercommunication has a plurality of branch pipes 9, a plurality of branch pipes 9 communicate a plurality of ring channels 6 settings respectively, one section of trachea 8 is inserted and is equipped with second solenoid valve 10, one side intercommunication of ring channel 6 has decompression valve 16.

Further, referring to fig. 2 and 3, a clamping groove is formed in one side of the through hole, away from the first electromagnetic valve 5, a baffle 11 is arranged on the inner wall of the clamping groove in a clamped mode, a plurality of air holes are formed in the side wall of the baffle 11, and the baffle 11 can block air through the baffle 11, so that the air is directly blown and swept towards the holes in the SCR denitration catalyst body 2 from the air holes.

Further, referring to fig. 2 and 3, a plurality of grooves are formed in the inner wall of the dust removing device main body 1, the inner wall of each groove is rotatably connected with a roller 12, and by arranging the rollers 12, when the SCR denitration catalyst body 2 is inserted into the dust removing device main body 1, the friction force between the SCR denitration catalyst body 2 and the dust removing device main body 1 is reduced, so that the SCR denitration catalyst body 2 can be conveniently inserted.

Further, referring to fig. 1, fig. 2 and fig. 3, the upper surface fixed connection of dust collector main part 1 has barometer 13, and the one end of barometer 13 runs through dust collector main part 1 and sets up in annular groove 6 is inside, barometer 13 and second solenoid valve 10 electric connection, through setting up barometer 13, can reach certain degree after the pressure in annular groove 6 for second solenoid valve 10 closes, avoid getting into too much air in the annular groove 6 and then make the soft adhesive layer 7 fried by the pressure.

Further, referring to fig. 3, one side wall of the partition plate 4 is fixedly connected with a touch switch 14, and the touch switch 14 is electrically connected to the second electromagnetic valve 10, and by providing the touch switch 14, when the SCR denitration catalyst body 2 is inserted into the groove dust collector main body 1 at a certain position, the SCR denitration catalyst body 2 touches the touch switch 14, so that the touch switch 14 controls the second electromagnetic valve 10 to be opened.

Further, referring to fig. 1 and 2, a sinking groove has been seted up to the upper surface of dust collector main part 1, and is provided with plate 15 in the sinking groove, and dust collector main part 1 and plate 15 fixed connection are run through to the one end of baffle 11, and the last fixed surface of plate 15 is connected with the handle, through setting up plate 15 and handle cooperation, is convenient for take out baffle 11, when sweeping the SCR denitration catalyst body 2 of different grade type again, can change with the hole one-to-one baffle 11 on the SCR denitration catalyst body 2.

In the utility model, when the device is used, the high-pressure air pump 3 is started firstly, high pressure is formed in one end of the dust removal device main body 1, the SCR denitration catalyst main body 2 is inserted into one end of the dust removal device main body 1, when one end of the SCR denitration catalyst main body 2 touches the touch switch 14, the touch switch 14 starts the second electromagnetic valve 10, when the second electromagnetic valve 10 is opened, high-pressure air is introduced into the annular groove 6 through the second electromagnetic valve 10, the soft rubber layer 7 is bulged towards one side, and the bulged soft rubber layer 7 is utilized to seal the gap between the dust removal device main body 1 and the SCR denitration catalyst main body 2, so that part of air is prevented from leaking from the gap between the SCR denitration catalyst main body 2 and the dust removal device main body 1, and further waste is caused; after atmospheric pressure in ring channel 6 reachs the certain degree, barometer 13 closes second solenoid valve 10 and makes first solenoid valve 5 open in the time, and then make dust collector main part 1's one end in form high-pressure gas advance first solenoid valve 5 equidirectional rush out, when high-pressure gas rush out, high-pressure gas takes away the dust on SCR denitration catalyst body 2, after the clearance of SCR denitration catalyst body 2 is accomplished, close first solenoid valve 5, the gaseous of rethread pressure release valve 16 in the ring channel 6 of letting out can.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an automatic dust collector of SCR denitration catalyst, includes dust collector main part (1) and SCR denitration catalyst body (2), one side lateral wall intercommunication of dust collector main part (1) has high compression pump (3), its characterized in that:

the inner wall fixedly connected with baffle (4) of dust collector main part (1), and one side lateral wall of baffle (4) has seted up the through-hole, the first solenoid valve (5) of inner wall fixedly connected with of through-hole, a plurality of ring channel (6) have been seted up to the inner wall of dust collector main part (1), and the inner wall fixedly connected with soft glue film (7) of ring channel (6), what one side lateral wall of dust collector main part (1) communicated has trachea (8), and the lateral wall intercommunication of trachea (8) has a plurality of branch pipes (9), and is a plurality of branch pipe (9) communicate a plurality of ring channel (6) settings respectively, one section of trachea (8) is inserted and is equipped with second solenoid valve (10), one side intercommunication of ring channel (6) has pressure relief valve (16).

2. The automatic dust removal device for the SCR denitration catalyst of claim 1, wherein a clamping groove is formed in one side of the through hole, which is far away from the first electromagnetic valve (5), a baffle plate (11) is clamped on the inner wall of the clamping groove, and a plurality of air holes are formed in the side wall of one side of the baffle plate (11).

3. The automatic dust removal device for the SCR denitration catalyst according to claim 1, wherein a plurality of grooves are formed on the inner wall of the dust removal device body (1), and the inner wall of each groove is rotatably connected with a roller (12).

4. The automatic dust removal device for the SCR denitration catalyst according to claim 1, wherein a barometer (13) is fixedly connected to the upper surface of the dust removal device body (1), one end of the barometer (13) penetrates through the dust removal device body (1) and is arranged inside the annular groove (6), and the barometer (13) is electrically connected with the second electromagnetic valve (10).

5. The automatic dust removal device for the SCR denitration catalyst according to claim 1, wherein a touch switch (14) is fixedly connected to a side wall of the partition plate (4), and the touch switch (14) is electrically connected with the second electromagnetic valve (10).

6. The automatic dust removal device for the SCR denitration catalyst of claim 2, wherein a sinking groove is formed in the upper surface of the dust removal device main body (1), a plate (15) is arranged in the sinking groove, one end of the baffle (11) penetrates through the dust removal device main body (1) and is fixedly connected with the plate (15), and a handle is fixedly connected with the upper surface of the plate (15).