CN218306801U

CN218306801U - SCR catalyst regeneration waste gas exhaust pipeline

Info

Publication number: CN218306801U
Application number: CN202221128208.8U
Authority: CN
Inventors: 乔海飞; 裴友峰; 朱恩林; 侯浩
Original assignee: Everbright Environmental Energy Quzhou Co ltd
Current assignee: Everbright Environmental Energy Quzhou Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2023-01-17
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a SCR catalyst regeneration waste gas exhaust duct, include: a pipe body; the detaching assembly, detaching assembly's all side fixed connection is in the left side of body inner wall, detaching assembly includes the mounting disc, all side fixed connection in the left side of body inner wall of mounting disc, the left top fixedly connected with threaded rod of mounting disc, all side cover of threaded rod is equipped with the fixed plate, all side of threaded rod and the left side threaded connection who is located the fixed plate have the threaded sleeve. Through rotating the threaded sleeve, make the threaded sleeve remove left on the surface of threaded rod, until breaking away from the threaded rod, then slide the fixed plate left, and then can dismantle the clearance to the filter, it is simple convenient that the operation is very, can very the efficient dismantle the clearance to the filter, the effectual dismantlement efficiency that has improved the filter.

Description

SCR catalyst regeneration waste gas exhaust pipeline

Technical Field

The utility model relates to a catalyst field especially relates to a SCR catalyst regeneration exhaust gas exhaust duct.

Background

The definition of the catalyst is: a substance which can change the chemical reaction rate of a reactant without changing the chemical equilibrium in a chemical reaction and has no change in the quality and chemical property before and after the chemical reaction.

The principle of SCR is that under the action of a catalyst, a reducing agent NH3 selectively reduces NO and NO2 into N2 at 290-400 ℃, and almost NO oxidation reaction of NH3 and O2 occurs, so that the selectivity of N2 is improved, and the consumption of NH3 is reduced.

In the related art, after the catalyst reacts, the exhaust gas needs to enter an inlet flue of a semi-dry reaction tower of an operating furnace system through an exhaust pipeline, and then the exhaust gas is treated. However, the existing partial exhaust gas pipeline is inconvenient to disassemble and clean the internal filter plate in the using process, a large amount of time and energy are needed to be spent in the disassembling process, and the ventilating effect is poor due to the blockage of the filter plate after the partial exhaust gas pipeline is used for a long time. And the exhaust efficiency of the waste gas is low, so that the waste gas is inconvenient to actively extract.

Therefore, it is necessary to provide an exhaust pipe for regenerating an exhaust gas from an SCR catalyst to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a SCR catalyst regeneration exhaust gas exhaust duct has solved in the correlation technique, and the clearance is not convenient for dismantle to the filter of inside at the in-process that uses to current partial exhaust gas piping to and the lower problem of emission efficiency of waste gas.

In order to solve the technical problem, the utility model provides a pair of SCR catalyst regeneration exhaust duct, include: a pipe body;

the side surface of the periphery of the mounting disc is fixedly connected to the left side of the inner wall of the pipe body, the dismounting assembly comprises a mounting disc, the side surface of the periphery of the mounting disc is fixedly connected to the left side of the inner wall of the pipe body, the top of the left side of the mounting disc is fixedly connected with a threaded rod, a fixing plate is sleeved on the side surface of the periphery of the threaded rod, and a threaded sleeve is in threaded connection with the side surface of the periphery of the threaded rod and the left side of the fixing plate;

the peripheral side face of the air draft component is fixedly connected to the middle of the inner wall of the pipe body.

Preferably, the left side of mounting disc and the right side that is located the fixed plate are provided with the filter, the left side of mounting disc bottom and the bottom fixedly connected with rack that is located the filter.

Preferably, the convulsions subassembly includes the mounting bracket, week side fixed connection of mounting bracket is in the middle part of body inner wall, the case is placed to the left side fixedly connected with of mounting bracket, the bottom fixedly connected with motor of placing the incasement wall.

Preferably, the output shaft of motor runs through the right side of placing the incasement wall and the left side of mounting bracket in proper order and extends to the inboard of mounting bracket, the output shaft fixedly connected with extraction fan of motor, the right side fixedly connected with metal mesh of mounting bracket.

Preferably, the bottom of body inner wall just is located two risers of fixedly connected with between the relative one side of mounting disc and mounting bracket, two one side that the vertical plate departed all rotates and is connected with a screw thread section of thick bamboo, two the equal threaded connection of inner wall of a screw thread section of thick bamboo has clamping screw, two the relative one end of clamping screw runs through two vertical plate one side that separate respectively and extends to the relative one side of two risers.

Preferably, two the equal fixedly connected with grip block of the relative one end of clamping screw, two one side that the grip block is relative and the bottom that is located the body inner wall is provided with detection device.

Preferably, the right side of the inner wall of the pipe body is provided with a sliding ring, and the right side of the sliding ring is fixedly connected with a cleaning piece.

Compared with the prior art, the utility model provides a pair of SCR catalyst regeneration waste gas exhaust duct has following beneficial effect:

the utility model provides a SCR catalyst regeneration exhaust gas exhaust duct, through rotating the screw sleeve, make the screw sleeve remove left on the surface of threaded rod, until breaking away from the threaded rod, then slide the fixed plate left, and then can dismantle the clearance to the filter, it is simple convenient very to operate, can very the efficient dismantle the clearance to the filter, the effectual dismantlement efficiency to the filter that has improved, the rotation through the motor drives the extraction fan and rotates, the rotation of extraction fan makes gaseous circulation left, very be convenient for take the initiative to waste gas and extract, and then improve exhaust gas efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an SCR catalyst regeneration exhaust gas exhaust duct according to the present invention;

FIG. 2 is an enlarged view of the structure of the area A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the area B shown in FIG. 1;

fig. 4 is a schematic structural view of the metal mesh shown in fig. 1.

Reference numbers in the figures: 1. a pipe body; 2. disassembling the assembly; 21. installing a disc; 22. a threaded rod; 23. a fixing plate; 24. a threaded sleeve; 25. a filter plate; 26. placing a rack; 3. an air draft assembly; 31. a mounting frame; 32. placing the box; 33. a motor; 34. an exhaust fan; 35. a metal mesh; 4. a vertical plate; 5. a threaded barrel; 6. fixing the screw rod; 7. a clamping plate; 8. a detection device; 9. a slip ring; 10. and cleaning the part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an exhaust duct for exhaust gas regenerated by SCR catalyst according to the present invention; FIG. 2 is an enlarged view of the structure of the region A shown in FIG. 1; FIG. 3 is an enlarged view of the structure of the area B shown in FIG. 1; fig. 4 is a schematic structural view of the metal mesh shown in fig. 1, and an SCR catalyst regeneration exhaust gas exhaust pipe includes: a pipe body 1;

the dismounting assembly 2 is characterized in that the peripheral side face of the dismounting assembly 2 is fixedly connected to the left side of the inner wall of the pipe body 1, the dismounting assembly 2 comprises a mounting disc 21, the peripheral side face of the mounting disc 21 is fixedly connected to the left side of the inner wall of the pipe body 1, the top of the left side of the mounting disc 21 is fixedly connected with a threaded rod 22, a fixing plate 23 is sleeved on the peripheral side face of the threaded rod 22, a threaded sleeve 24 is in threaded connection with the peripheral side face of the threaded rod 22 and located on the left side of the fixing plate 23, threads matched with the threaded rod 22 are arranged on the inner side of the threaded sleeve 24, and a circular ventilation groove is formed in the inner side of the mounting disc 21;

convulsions subassembly 3, the week side fixed connection of convulsions subassembly 3 in the middle part of 1 inner wall of body.

The left side of mounting disc 21 and the right side that is located fixed plate 23 are provided with filter 25, the left side of mounting disc 21 bottom and the bottom fixedly connected with rack 26 that is located filter 25, and rack 26 is the arc.

Convulsions subassembly 3 includes mounting bracket 31, and the week side fixed connection of mounting bracket 31 is in the middle part of 1 inner wall of body, and case 32 is placed to the left side fixedly connected with of mounting bracket 31, places the bottom fixedly connected with motor 33 of case 32 inner wall, and motor 33 is three-phase asynchronous motor, and is external to have the power.

The output shaft of motor 33 runs through the right side of placing the case 32 inner wall and the left side of mounting bracket 31 in proper order and extends to the inboard of mounting bracket 31, and the output shaft fixedly connected with extraction fan 34 of motor 33, the right side fixedly connected with metal mesh 35 of mounting bracket 31, metal mesh 35 can completely cut off great impurity and carry out the inside of mounting bracket 31.

The bottom of 1 inner wall of body just is located two risers 4 of fixedly connected with between the one side that mounting disc 21 and mounting bracket 31 are relative, and two risers 4 all rotate one side of leaving mutually and are connected with a screw section of thick bamboo 5, and the equal threaded connection of the inner wall of two screw section of thick bamboos 5 has clamping screw 6, and two clamping screw 6 relative one ends run through two risers 4 one side of leaving respectively and extend to two riser 4 relative one sides, and the inner wall of two screw section of thick bamboos 5 is provided with the screw thread that uses with 6 cooperations of two clamping screw respectively.

The equal fixedly connected with grip block 7 of two fixing screw 6 relative one ends, and the one side that two grip blocks 7 are relative and the bottom that is located body 1 inner wall are provided with detection device 8, and detection device 8 can detect gaseous temperature and composition.

The right side of the inner wall of the pipe body 1 is provided with a sliding ring 9, the right side of the sliding ring 9 is fixedly connected with a cleaning piece 10, the sliding ring 9 moves rightwards to drive the cleaning piece 10 to clean up dust on the inner wall of the pipe body 1, and the cleaning piece 10 is made of metal.

The utility model provides a pair of SCR catalyst regeneration exhaust duct's theory of operation as follows:

the first step is as follows: when the filter plate is used, the threaded sleeve 24 is rotated to enable the threaded sleeve 24 to move leftwards on the surface of the threaded rod 22 until the threaded sleeve is separated from the threaded rod 22, then the fixing plate 23 slides leftwards, and the filter plate 25 can be detached and cleaned;

the second step: when the motor 33 is turned on, the rotation of the motor 33 drives the extraction fan 34 to rotate, the rotation of the extraction fan 34 causes the gas to flow leftwards, and then the gas is filtered by the filter plate 25, and the gas component of the waste gas can be detected by the detection device 8.

through rotating threaded sleeve 24, make threaded sleeve 24 remove on the surface of threaded rod 22 left, until breaking away from threaded rod 22, then slide fixed plate 23 left, and then can dismantle the clearance to filter 25, it is simple convenient that the operation is ten minutes, can dismantle the clearance to filter 25 by ten minutes efficient, the effectual dismantlement efficiency to filter 25 that has improved, rotation through motor 33 drives extraction fan 34 and rotates, extraction fan 34's rotation makes gaseous circulation left, it initiatively extracts waste gas to be convenient for ten minutes, and then the improvement is to waste gas exhaust efficiency.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An SCR catalyst regeneration exhaust gas exhaust conduit, comprising: a pipe body (1);

the pipe disassembling device comprises a disassembling component (2), wherein the peripheral side face of the disassembling component (2) is fixedly connected to the left side of the inner wall of a pipe body (1), the disassembling component (2) comprises a mounting disc (21), the peripheral side face of the mounting disc (21) is fixedly connected to the left side of the inner wall of the pipe body (1), the top of the left side of the mounting disc (21) is fixedly connected with a threaded rod (22), a fixing plate (23) is sleeved on the peripheral side face of the threaded rod (22), and a threaded sleeve (24) is in threaded connection with the left side of the fixing plate (23) on the peripheral side face of the threaded rod (22);

the air draft assembly (3), the peripheral side face of the air draft assembly (3) is fixedly connected to the middle of the inner wall of the pipe body (1).

2. The exhaust duct of SCR catalyst regeneration according to claim 1, wherein a filter plate (25) is disposed on the left side of the mounting plate (21) and on the right side of the fixing plate (23), and a placing frame (26) is fixedly connected to the left side of the bottom of the mounting plate (21) and on the bottom of the filter plate (25).

3. The exhaust pipeline for SCR catalyst regeneration of claim 2, wherein the ventilation assembly (3) comprises a mounting rack (31), the peripheral side surface of the mounting rack (31) is fixedly connected to the middle of the inner wall of the pipe body (1), the left side of the mounting rack (31) is fixedly connected with a placement box (32), and the bottom of the inner wall of the placement box (32) is fixedly connected with a motor (33).

4. The exhaust pipeline for the SCR catalyst regeneration of claim 3, wherein an output shaft of the motor (33) sequentially penetrates through the right side of the inner wall of the placing box (32) and the left side of the mounting rack (31) and extends to the inner side of the mounting rack (31), an exhaust fan (34) is fixedly connected to the output shaft of the motor (33), and a metal mesh (35) is fixedly connected to the right side of the mounting rack (31).

5. The SCR catalyst regeneration exhaust gas duct of claim 4, characterized in that, the bottom of body (1) inner wall and be located between the relative one side of mounting disc (21) and mounting bracket (31) two riser (4) of fixedly connected with, two one side that riser (4) leave is all rotated and is connected with screw thread section of thick bamboo (5), two the equal threaded connection of inner wall of screw thread section of thick bamboo (5) has clamping screw (6), two the relative one end of clamping screw (6) runs through the relative one side of two risers (4) respectively and extends to the relative one side of two risers (4).

6. The exhaust pipeline for the SCR catalyst regeneration waste gas according to claim 5, wherein the opposite ends of the two fixing screws (6) are fixedly connected with clamping plates (7), and a detection device (8) is arranged at the bottom of the inner wall of the pipe body (1) and at one side opposite to the two clamping plates (7).

7. The exhaust pipeline for the SCR catalyst regenerated exhaust gas according to claim 1, characterized in that a sliding ring (9) is arranged on the right side of the inner wall of the pipe body (1), and a cleaning piece (10) is fixedly connected to the right side of the sliding ring (9).