CN220918723U - Screen plate dismounting structure for SCR denitration catalyst - Google Patents

Abstract

The utility model discloses a screen plate dismounting structure for an SCR denitration catalyst, which comprises a shell, a pipe inlet, an air pipe and a screen plate body, wherein the pipe inlet is symmetrically and fixedly connected to the inner parts of the upper end and the lower end of the shell, one side of the pipe inlet, which is far away from the shell, is clamped and connected with the air pipe, the screen plate body is in sliding connection with the inner part of the shell, a disengaging mechanism is arranged between one end of the screen plate body and the shell, and a fixing mechanism is arranged between the pipe inlet and the outer side wall of the air pipe, wherein the disengaging mechanism comprises a cover plate fixedly connected to one end of the screen plate body, and one side of the shell, which is close to the cover plate, is symmetrically and fixedly connected with a mounting seat, so that the effect of quickly fixing and dismounting the cover plate is realized, and the dismounting of the SCR denitration catalyst by a subsequent worker is facilitated.

Description

Screen plate dismounting structure for SCR denitration catalyst

Technical Field

The utility model relates to the technical field of denitration catalysts, in particular to a screen plate dismounting structure for an SCR denitration catalyst.

Background

The denitration catalyst is generally a catalyst applied to an SCR denitration system of a power plant, in the SCR reaction, a reducing agent is promoted to selectively react with nitrogen oxides in flue gas at a certain temperature, at present, commercial SCR catalysts mainly take TiO2 as a carrier, V2O5 as a main active component and WO3 and MoO3 as antioxidant and antitoxic auxiliary components, and the types of the catalysts can be divided into three types: plate-type, honeycomb and ripple board-like, however current board-like denitration catalyst adopts bolt and fixed mode of angle bar to fix in the tuber pipe in the use generally, when the staff need dismantle the installation to denitration catalyst board and change, often use outside instrument, and the operation is very inconvenient, has increased staff's working strength to can't satisfy the in-service use demand.

A screen plate dismounting structure for SCR denitration catalyst is provided, so as to solve the problems set forth in the above.

Disclosure of utility model

The utility model aims to provide a screen plate dismounting structure for an SCR denitration catalyst, which is used for solving the problem that the denitration catalyst plate is fixed in an air pipe by adopting a bolt and angle iron fixing mode at present, so that when a worker needs to dismount, mount and replace the denitration catalyst plate, the worker often uses an external tool, the operation is very inconvenient, the working strength of the worker is increased, and the actual use requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the screen plate dismounting structure for the SCR denitration catalyst comprises a shell, an inlet pipe, an air pipe and a screen plate body, wherein the inlet pipe is symmetrically and fixedly connected inside the upper end and the lower end of the shell, one side, far away from the shell, of the inlet pipe is clamped and connected with the air pipe, the screen plate body is positioned in the shell and is in sliding connection with the inside of the shell, a disengaging mechanism is arranged between one end of the screen plate body and the shell, and a fixing mechanism is arranged between the inlet pipe and the outer side wall of the air pipe;

The separation mechanism comprises a cover plate fixedly connected to one end of the screen plate body, one side of the shell, close to the cover plate, is symmetrically and fixedly connected with a mounting seat, a fixing rod is connected inside the mounting seat in a sliding manner, a first telescopic spring is sleeved on the outer side wall of the fixing rod, one end, far away from the cover plate, of the first telescopic spring is fixedly connected with a stop block, one side of the stop block is fixedly connected with the fixing rod, an extrusion block is connected inside one end of the mounting seat in a rotating manner, and one end of the fixing rod is clamped and fixedly connected with the cover plate;

Wherein, fixed establishment includes symmetrical fixed connection in the shell upper and lower both ends's installation shell, and one side of installation shell rotates and is connected with the extrusion lid to the inside symmetrical fixedly connected with of corresponding one side of installation shell and extrusion lid is sealed fills up, and one side fixedly connected with stopper of extrusion lid moreover, and the inside spacing groove of having seted up in one side of installation shell, and card and fixed connection between stopper and the spacing groove.

Preferably, the inside fixedly connected with installation box of one end of installation shell, and the inside sliding connection of installation box has the inserted bar to symmetrical fixedly connected with promotes the piece on the inserted bar lateral wall, promotes the one end fixedly connected with extrusion rod of piece moreover, and the inside symmetrical fixedly connected with installation pipe of installation box, and the one end that the extrusion rod kept away from the promotion piece runs through installation pipe sliding connection, and fixedly connected with third expansion spring between extrusion rod and the installation intraductal portion moreover.

Preferably, the mounting groove has been seted up to the inside symmetry in both ends of apron, and the inside sliding connection of mounting groove has the action bars to the one end of action bars runs through apron sliding connection, and the one end fixedly connected with picture peg that the action bars are close to the mount pad moreover, and card and fixed connection between picture peg and the dead lever, and fixedly connected with second telescopic spring between one side of picture peg and the mounting groove.

Preferably, a sealing ring is fixedly connected to the inside of one end of the air pipe, an annular groove is formed in the inside of one end, close to the air pipe, of the air inlet pipe, and the sealing ring is connected with the annular groove in an extrusion mode.

Preferably, the installation shell and the extrusion cover are internally and respectively connected with a knob rod in a threaded manner, and one end of each knob rod is in extrusion connection with the sealing gasket.

Preferably, a sealing plate is fixedly connected to one side of the cover plate, one side of the sealing plate is inlaid in one side of the shell, and the sealing plate is connected with the shell in an extrusion mode.

Preferably, a fixed knob is fixedly connected between the extrusion block and the mounting seat, and one end of the extrusion block is fixedly connected with a pressing rod.

Compared with the prior art, the utility model has the beneficial effects that: the screen plate dismounting structure for the SCR denitration catalyst comprises the following specific contents: through card and fixed connection between dead lever's one end and the apron to realize quick fixed and dismantle the effect of apron, be convenient for follow-up staff SCR denitration catalyst dismouting, card and fixed effect between picture peg and the dead lever, further stability between improvement dead lever and the apron, the removal of squeeze lever is to the inside third expansion spring extrusion of installation pipe, the shrink of third expansion spring this moment, accomplish to counterpoint after, loosen the inserted bar through the staff, thereby make card and fixed effect between inserted bar and the stopper, thereby realize quick installation and dismantle the effect of shell, the equipment of staff of being convenient for, through the extrusion connection between sealing washer and the ring channel, thereby make between the inlet tube after fixing and the wind pipe more stable, and possess better leakproofness.

1. The extrusion block is driven to rotate by pressing the pressing rod, the stop block is extruded by the rotation of the extrusion block, at the moment, the first telescopic spring is contracted, so that one end of the fixing rod is clamped with the cover plate and fixedly connected with the cover plate, the effect of quickly fixing and disassembling the cover plate is achieved, the follow-up staff SCR denitration catalyst is convenient to disassemble and assemble, the use requirement of people is met, the operating rod is pressed, the plugboard is further used for extruding the second telescopic spring, after alignment is completed, the operating rod is loosened by the staff, the effect of clamping and fixing between the plugboard and the fixing rod is achieved through the performance of the second telescopic spring, and the stability between the fixing rod and the cover plate is further improved;

2. Through with the lock between extrusion lid and the installation shell, card and connection between stopper and the spacing groove this moment, the rethread pulling inserted bar, thereby drive the removal of pushing the piece through the inserted bar, the removal of extrusion bar extrudes the inside third expansion spring of installation pipe, the third expansion spring shrink this moment, after accomplishing counterpoint, loosen the inserted bar through the staff, thereby make card and fixed effect between inserted bar and the stopper, thereby realize quick installation and dismantle the effect of shell, the equipment of staff of being convenient for, dock the back between through advancing the pipe and the wind pipe, squeeze connection between sealing washer and the ring channel this moment, thereby make more stable between advancing pipe after the fixed wind pipe, and possess better leakproofness.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic top view of the whole fixing mechanism of the present utility model;

FIG. 4 is a schematic view of a part of the structure of the fixing mechanism according to the present utility model;

FIG. 5 is a schematic diagram of the overall top view of the securing mechanism of the present utility model;

FIG. 6 is a schematic view showing the bottom view of the duct according to the present utility model;

fig. 7 is a schematic top view of the inlet pipe according to the present utility model.

In the figure: 1. a housing; 101. feeding a pipe; 102. an air duct; 103. a screen body; 2. a fixing mechanism; 201. a mounting shell; 202. extruding a cover; 203. a sealing gasket; 204. a limiting block; 205. a limit groove; 206. a mounting box; 207. a rod; 208. a pushing block; 209. an extrusion rod; 210. installing a pipe; 211. a third extension spring; 212. a seal ring; 213. an annular groove; 214. a knob lever; 3. a disengagement mechanism; 301. a cover plate; 302. a mounting base; 303. a fixed rod; 304. a first extension spring; 305. a stop block; 306. extruding a block; 307. pressing a pressing rod; 308. fixing a knob; 309. a mounting groove; 310. an operation lever; 311. inserting plate; 312. a second extension spring; 313. and (5) sealing the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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. 1-7, the present utility model provides the following technical solutions: the screen plate dismounting structure for the SCR denitration catalyst comprises a shell 1, an inlet pipe 101, an air pipe 102 and a screen plate body 103, wherein the inlet pipe 101 is symmetrically and fixedly connected inside the upper end and the lower end of the shell 1, one side, far away from the shell 1, of the inlet pipe 101 is clamped and connected with the air pipe 102, the screen plate body 103 is positioned in the shell 1 and is in sliding connection with the shell 1, a separation mechanism 3 is arranged between one end of the screen plate body 103 and the shell 1, and a fixing mechanism 2 is arranged between the inlet pipe 101 and the outer side wall of the air pipe 102;

Wherein, the disengaging mechanism 3 includes the apron 301 fixedly connected to one end of the screen body 103, and one side of the shell 1 close to the apron 301 is symmetrically fixedly connected with the installation seat 302, and the inside sliding connection of the installation seat 302 has the fixed lever 303, and the outer sidewall of the fixed lever 303 is sleeved with the first telescopic spring 304, and one end of the first telescopic spring 304 far away from the apron 301 is fixedly connected with the dog 305, and fixedly connected between one side of the dog 305 and the fixed lever 303, and one end of the fixed lever 303 is rotatably connected with the squeeze block 306 in one end of the installation seat 302, and one end of the fixed lever 303 is clamped and fixedly connected with the apron 301, thereby realizing the effect of fast fixing and dismantling the apron 301, the following staff SCR denitration catalyst is convenient to detach and mount, the use requirement of people is satisfied, a fixed knob 308 is fixedly connected between the squeeze block 306 and the installation seat 302, and one end of the squeeze block 306 is fixedly connected with a pressing lever 307, the design of the fixed knob 308 and the pressing lever 307 is further, the inside of the two ends of the apron 301 is symmetrically opened with a mounting groove 309, and the inside sliding connection of the installation groove 309 is provided with a squeeze block 306, and the inside sliding connection 310 is provided with a squeeze block 310, and the inner side of the clamp plate is further connected with the inner side of the fixed lever 301 is provided with a seal plate 311, and the plug board is further fixed with the fixed by the fixed plate 313, and the plug board is connected with one side of the fixed by the fixed lever 311, the plug board is fixed with the fixed by the fixed plate is connected with the fixed plate side of the plug board 301, and the plug board is fixed with the fixed plate and the fixed plate is fixed by the fixed plate and the fixed plate has a fixed plate fixed end has a fixed knob has a fixed knob through the fixing knob, and a fixed hole. And the sealing plate 313 is connected with the shell 1 in an extrusion way, and the sealing performance between the cover plate 301 and the shell 1 is better through the design of the sealing plate 313.

Wherein the fixing mechanism 2 comprises a mounting shell 201 which is symmetrically and fixedly connected to the upper end and the lower end of the housing 1, one side of the mounting shell 201 is rotationally connected with an extrusion cover 202, one side of the mounting shell 201 corresponding to the extrusion cover 202 is internally and symmetrically and fixedly connected with a sealing gasket 203, one side of the extrusion cover 202 is fixedly connected with a limiting block 204, one side of the mounting shell 201 is internally provided with a limiting groove 205, the limiting block 204 and the limiting groove 205 are fixedly connected with each other in a clamping manner, one end of the mounting shell 201 is internally and fixedly connected with a mounting box 206, the interior of the mounting box 206 is slidably connected with an inserting rod 207, the outer side wall of the inserting rod 207 is symmetrically and fixedly connected with a pushing block 208, one end of the pushing block 208 is fixedly connected with a pressing rod 209, the interior of the mounting box 206 is symmetrically and fixedly connected with a mounting tube 210, one end of the pressing rod 209 away from the pushing block 208 penetrates through the mounting tube 210 in a sliding manner, the third telescopic spring 211 is fixedly connected between the extrusion rod 209 and the inside of the installation pipe 210, so that the effect of clamping and fixing between the inserted rod 207 and the limiting block 204 is achieved, the effect of quickly installing and detaching the shell 1 is achieved, the assembly of workers is facilitated, a sealing ring 212 is fixedly connected to the inside of one end of the air pipe 102, an annular groove 213 is formed in the inside of one end of the air inlet pipe 101 close to the air pipe 102, the sealing ring 212 is in extrusion connection with the annular groove 213, the fixed air inlet pipe 101 and the air pipe 102 are more stable, good sealing performance is achieved, a knob rod 214 is connected to the inside of the installation shell 201 and the extrusion cover 202 in a threaded manner, one end of the knob rod 214 is in extrusion connection with the sealing pad 203, the sealing pad 203 is extruded through rotation of the knob rod 214, the sealing pad 203 is extruded, and the air inlet pipe 101 and the air pipe 102 are attached, thereby further improving the tightness and stability between the inlet pipe 101 and the air pipe 102 and meeting the use requirements of people.

Working principle: before the screen plate dismounting structure for the SCR denitration catalyst is used, the whole situation of the device needs to be checked firstly, normal operation can be confirmed, as shown in fig. 1-7, the screen plate body 103 is of a prior art publication number CN 218339440U, in the convenient denitration catalyst mounting structure, the used denitration catalyst plate is inserted into the shell 1 through the screen plate body 103, at the moment, the cover plate 301 is attached to the shell 1, the fixing knob 308 is unscrewed firstly, then the pressing rod 307 is pressed to drive the extrusion block 306 to rotate, the block 305 is extruded by the rotation of the extrusion block 306, at the moment, the first telescopic spring 304 is contracted, so that one end of the fixing rod 303 is clamped and fixedly connected with the cover plate 301, the effect of quickly fixing and dismounting the cover plate 301 is achieved, the SCR denitration catalyst of a subsequent worker is convenient to dismount, the denitration catalyst meets the use requirement of the worker, the second telescopic spring 312 is pressed by the plugboard 311, after the contraposition is completed, the operation rod 310 is loosened by the worker, the performance of the second telescopic spring 312 is realized, the fixing rod 311 is further improved, the sealing plate is further designed to be better than the sealing plate 301 is pressed by the pressing rod 307, and the sealing plate 301 is further designed to be better than the sealing plate 301 is pressed by the fixing rod 301, and the sealing plate 301 is further fixed by the fixing plate 301;

Through butt joint between going into pipe 101 and wind pipe 102, rethread rotatory extrusion lid 202 realizes the lock between extrusion lid 202 and the installation shell 201, card and connection between stopper 204 and the spacing groove 205 this moment, rethread pulling inserted bar 207, thereby drive the removal of pushing block 208 through inserted bar 207, the removal of pushing block 208 drives the removal of extrusion rod 209, the removal of extrusion rod 209 extrudes the inside third extension spring 211 of installation pipe 210, this moment third extension spring 211 shrink, after accomplishing counterpoint, loosen inserted bar 207 through the staff, and then reset nature through third extension spring 211, thereby make the card and fixed effect between inserted bar 207 and the stopper 204, thereby realize quick installation and dismantle shell 1's effect, the equipment of staff of being convenient for, after butt joint between going into pipe 101 and wind pipe 102, extrusion connection between sealing washer 212 and the ring channel 213 this moment, thereby make between fixed going into pipe 101 and wind pipe 102 more stable, and possess better leakproofness, extrude sealed pad 203 through rotating knob 214, thereby receive extrusion and go into between pipe 101 and wind pipe 102 through sealed pad 203 and laminating, thereby further satisfy the demand between the improvement of people's 101 and wind pipe 102, thereby use stability.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A screen plate dismounting structure for an SCR denitration catalyst comprises a shell (1), a pipe inlet (101), an air pipe (102) and a screen plate body (103);

The air inlet pipe (101) is symmetrically and fixedly connected to the inside of the upper end and the lower end of the shell (1), one side, far away from the shell (1), of the air inlet pipe (101) is clamped and connected with the air pipe (102), and the screen plate body (103) is positioned in the shell (1) and is in sliding connection;

Characterized by further comprising:

A disengaging mechanism (3) is arranged between one end of the screen plate body (103) and the shell (1), and a fixing mechanism (2) is arranged between the air inlet pipe (101) and the outer side wall of the air pipe (102);

The separation mechanism (3) comprises a cover plate (301) fixedly connected to one end of the screen plate body (103), one side, close to the cover plate (301), of the shell (1) is symmetrically and fixedly connected with a mounting seat (302), a fixing rod (303) is connected to the inside of the mounting seat (302) in a sliding mode, a first telescopic spring (304) is sleeved on the outer side wall of the fixing rod (303), one end, far away from the cover plate (301), of the first telescopic spring (304) is fixedly connected with a stop block (305), one side of the stop block (305) is fixedly connected with the fixing rod (303), an extrusion block (306) is connected to the inside of one end of the mounting seat (302) in a rotating mode, and one end of the fixing rod (303) is clamped and fixedly connected with the cover plate (301);

Wherein, fixed establishment (2) are including symmetry fixed connection in shell (1) installation shell (201) at both ends about, and one side rotation of installation shell (201) is connected with extrusion lid (202) to inside symmetry fixedly connected with sealed pad (203) of corresponding one side of installation shell (201) and extrusion lid (202), one side fixedly connected with stopper (204) of extrusion lid (202) moreover, and limit groove (205) have been seted up to one side inside of installation shell (201), and card and fixed connection between stopper (204) and limit groove (205).

2. The screen plate dismounting structure for an SCR denitration catalyst according to claim 1, wherein: one end inside fixedly connected with installation box (206) of installation shell (201), and the inside sliding connection of installation box (206) has inserted bar (207) to symmetrical fixedly connected with promotes piece (208) on inserted bar (207) lateral wall, moreover the one end fixedly connected with extrusion pole (209) of promotion piece (208), and the inside symmetrical fixedly connected with installation pipe (210) of installation box (206), and the one end that promotes piece (208) was kept away from to extrusion pole (209) runs through installation pipe (210) sliding connection, and fixedly connected with third extension spring (211) between extrusion pole (209) and installation pipe (210) inside moreover.

3. The screen plate dismounting structure for an SCR denitration catalyst according to claim 1, wherein: mounting grooves (309) are symmetrically formed in the two ends of the cover plate (301), an operation rod (310) is connected to the mounting grooves (309) in a sliding mode, one end of the operation rod (310) penetrates through the cover plate (301) in a sliding mode, an inserting plate (311) is fixedly connected to one end, close to the mounting seat (302), of the operation rod (310), the inserting plate (311) is clamped and fixedly connected with the fixing rod (303), and a second telescopic spring (312) is fixedly connected between one side of the inserting plate (311) and the mounting grooves (309).

4. The screen plate dismounting structure for an SCR denitration catalyst according to claim 1, wherein: one end of the air pipe (102) is internally fixedly connected with a sealing ring (212), an annular groove (213) is formed in one end of the air inlet pipe (101) close to the air pipe (102), and the sealing ring (212) is connected with the annular groove (213) in an extrusion mode.

5. The screen plate dismounting structure for an SCR denitration catalyst according to claim 2, wherein: the installation shell (201) and the extrusion cover (202) are internally and respectively connected with a knob rod (214) in a threaded manner, and one end of the knob rod (214) is in extrusion connection with the sealing gasket (203).

6. A screen panel assembly and disassembly structure for an SCR denitration catalyst according to claim 3, wherein: one side of the cover plate (301) is fixedly connected with a sealing plate (313), one side of the sealing plate (313) is inlaid in one side of the shell (1), and the sealing plate (313) is connected with the shell (1) in an extrusion mode.

7. A screen panel assembly and disassembly structure for an SCR denitration catalyst according to claim 3, wherein: a fixed knob (308) is fixedly connected between the extrusion block (306) and the mounting seat (302), and one end of the extrusion block (306) is fixedly connected with a pressing rod (307).