Denitration reaction device

Abstract

The utility model discloses a denitration reaction device, which relates to the technical field of denitration equipment, and comprises a reaction box, three groups of support rings are mounted on the inner side of the reaction box, three groups of through holes are formed in one side of the reaction box, the through holes are positioned above the support rings, and an upper catalyst is mounted at the top of the first group of support rings. According to the utility model, the mounting cover is mounted, and one side of the reaction box limits the mounting cover through the penetrating opening, so that a user can conveniently mount the mounting cover, the front end and the rear end of the mounting cover fix the clamping plate, the front wall and the rear wall of the reaction box fix the supporting seat, the stability of the supporting seat is ensured, and the inner side of the supporting seat is connected with the threaded rod through the connecting shaft; the threaded rod abuts against the inner side of the clamping opening, the tightening ring is installed on the outer side of the threaded rod through threads, the stability of the tightening ring is guaranteed, the tightening ring abuts against one side of the clamping plate, the installation cover is conveniently installed on the inner side of the penetrating opening, and a user can conveniently disassemble the installation cover, the lower-layer catalyst, the middle-layer catalyst and the upper-layer catalyst.

Description

TECHNICAL FIELD

[0001] The utility model relates to denitration equipment technical field, concretely is a kind of denitration reaction device. BACKGROUND

[0002] In the SCR denitration technology, denitration reactor is the most core device of SCR device, is the place that NOx in flue gas and NH3 are generated N2 and H2O on catalyst surface.SCR denitration device is key to how to ensure that the flow field, temperature field and reactant concentration field (NH3 / NOx) in reactor are evenly distributed as far as possible, to ensure that the required denitration efficiency is reached and the amount of ammonia escape is reduced.

[0003] Patent document 202221987146.6 a kind of denitration reaction device, it discloses "a kind of denitration reaction device, including denitration jar, the inside of the denitration jar is equipped with several catalyst packing layers, one side of the denitration jar is connected with mixing tank by mixing pipe, the mixing tank is opened with waste gas input and ammonia gas input, the inside of the mixing tank is equipped with first flow guide rod group, the inside of the mixing tank is equipped with second flow guide rod group, the first flow guide rod group and second flow guide rod group are all by several staggered flow guide rods, the inside of the mixing tank is equipped with fan".

[0004] However, the denitration reaction device of the above-mentioned disclosure lacks disassembly structure inside, which is not convenient for users to disassemble and replace the catalyst structure. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of denitration reaction device, to solve the technical problem that the denitration reaction device inside lacks disassembly structure in the above background art, it is not convenient for user to disassemble and replace catalyst structure.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of denitration reaction device, including: reaction box, the inside of the reaction box is installed with three groups of support ring, one side of the reaction box is opened with three groups of through-penetrating port, through-penetrating port is located above support ring, the top of first group support ring is installed with upper layer catalyst, the top of second group support ring is installed with middle layer catalyst, the top of third group support ring is installed with lower layer catalyst;

[0007] One side of the reaction box is movably installed with mounting cover by through-penetrating port, the front end and rear end of the mounting cover are installed with clamping plate, the inside of the clamping plate is opened with bayonet;

[0008] The front wall and rear wall of the reaction box are installed with support seat, the inside of the support seat is installed with threaded rod by connecting shaft, threaded rod is clamped in the inside of bayonet, the outside of the threaded rod is movably installed with tightening ring by screw thread, tightening ring is abutted on one side of clamping plate.

[0009] Preferably, the inner side of the reaction box is provided with a support frame located above the support ring, and the top of the support frame is provided with a rectifier grille.

[0010] Preferably, the bottom of the reaction box is provided with an output pipe, the outer side of the bottom end of the output pipe is movably provided with a smoke exhaust pipe, and the bottom of the reaction box is provided with a support frame.

[0011] Preferably, the top of the reaction box is provided with a top cover, the top wall of the top cover is provided with an assembly opening, the outer side of the assembly opening is movably provided with an assembly cover, the top end of the assembly cover is provided with a guide pipe, and one end of the guide pipe is provided with a sealing cover.

[0012] Preferably, the inner wall of the guide pipe is provided with a transmission pipe penetrating through, the bottom of the transmission pipe is provided with a spray head, and one end of the transmission pipe is provided with a connecting head.

[0013] Preferably, the inner side of the sealing cover is movably provided with a connecting pipe through threads, the bottom end of the connecting pipe is provided with a support box, the bottom end of the support box is provided with an output valve, and the bottom end of the output valve is provided with an output interface.

[0014] Preferably, one side of the support box is provided with an input pipe, one end of the input pipe is provided with an input valve, and one end of the input valve is provided with an input interface.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a mounting cover is installed, and the side of the reaction box is limited to the mounting cover through the through -going mouth, and the mounting cover is convenient for the user to install, and the front end and the rear end of the mounting cover are fixed to the clamping plate, and the front wall and the rear wall of the reaction box are fixed to the support seat, so that the stability of the support seat is guaranteed, the inner side of the support seat is connected with the threaded rod through the connecting shaft, the threaded rod is resisted to the inner side of the bayonet, the tightening ring is installed on the outer side of the threaded rod through threads, the stability of the tightening ring is guaranteed, the tightening ring is resisted to one side of the clamping plate, the mounting cover is convenient for installing in the inner side of the through -going mouth, the mounting cover is convenient for the user to disassemble, and the lower layer catalyst, the middle layer catalyst and the upper layer catalyst are convenient for disassembling.

[0017] 2. The utility model discloses a support box is installed, one end of transmission pipe is fixedly connected with connecting head, connecting head is connected with ammonia water device, ammonia water is transmitted through transmission pipe, ammonia water is transmitted to the inside of spray head, and ammonia water is sprayed out by spray head, and ammonia water returns to the inside of support box, and support box transmits water to the inside of output valve, and output valve controls ammonia water to discharge. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the reaction box structure schematic view of the utility model;

[0020] Figure 3 It is the transmission pipe structure schematic view of the utility model;

[0021] Figure 4 It is the installation cover structure schematic view of the utility model.

[0022] In the figure: 1, reaction box;2, output pipe;3, smoke exhaust pipe;4, support ring;5, lower layer catalyst;6, middle layer catalyst;7, upper layer catalyst;8, support frame;9, rectifier grid;10, installation cover;11, clamping plate;12, support seat;13, threaded rod;14, tightening ring;15, support frame;16, top cover;17, assembly port;18, assembly cover;19, guide pipe;20, input valve;21, transmission pipe;22, spray head;23, connecting head;24, sealing cover;25, connecting pipe;26, support box;27, output valve;28, input pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] See Figure 1 , Figure 2 , Figure 3 and Figure 4 , a denitration reaction device, comprising: a reaction box 1, three groups of support rings 4 are installed on the inner side of the reaction box 1, three groups of through holes are opened on one side of the reaction box 1, the through holes are located above the support rings 4, the top of the first group of support rings 4 is installed with an upper layer catalyst 7, the top of the second group of support rings 4 is installed with a middle layer catalyst 6, and the top of the third group of support rings 4 is installed with a lower layer catalyst 5;

[0027] The reaction box 1 fixes the three groups of support rings 4 on the inner side, ensures the stability of the three groups of support rings 4, the first group of support rings 4 supports the top upper layer catalyst 7, the second group of support rings 4 supports the top middle layer catalyst 6, and the third group of support rings 4 supports the top lower layer catalyst 5, ensures the stability of the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7, the flue gas moves from top to bottom, the flue gas passes through the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7, the main components of the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7 include catalyst carrier material, active component and promoter, and the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7 cooperate to filter the flue gas, improve the purification effect;

[0028] The side of the reaction box 1 is movably installed with a mounting cover 10 through the through hole, the front end and the rear end of the mounting cover 10 are installed with clamping plates 11, the inner side of the clamping plate 11 is provided with a bayonet, the front wall and the rear wall of the reaction box 1 are installed with support seats 12, the inner side of the support seat 12 is installed with a threaded rod 13 through a connecting shaft, the threaded rod 13 is clamped in the inner side of the bayonet, and the outer side of the threaded rod 13 is movably installed with a tightening ring 14 through threads, and the tightening ring 14 abuts against one side of the clamping plate 11;

[0029] The side of the reaction box 1 is provided with a through hole, and the side of the reaction box 1 is limited to the mounting cover 10 through the through hole, which is convenient for the user to install the mounting cover 10, the front end and the rear end of the mounting cover 10 are fixed to the clamping plate 11, the front wall and the rear wall of the reaction box 1 are fixed to the support seat 12, which ensures the stability of the support seat 12, the inner side of the support seat 12 is connected with the threaded rod 13 through the connecting shaft, the threaded rod 13 abuts against the inner side of the bayonet, the tightening ring 14 is installed on the outer side of the threaded rod 13 through threads, which ensures the stability of the tightening ring 14, and the tightening ring 14 abuts against one side of the clamping plate 11, so that the mounting cover 10 is installed on the inner side of the through hole, which is convenient for the user to disassemble the mounting cover 10 and the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7.

[0030] The inner side of the reaction box 1 is installed with a support frame 8, and the support frame 8 is located above the support ring 4;

[0031] The reaction box 1 is fixed to the inner side of the support frame 8 to ensure the stability of the support frame 8, and the support frame 8 supports the top rectifier grid 9, and the rectifier grid 9 combs the air.

[0032] The bottom of the reaction box 1 is provided with an output pipe 2, and the outer side of the bottom end of the output pipe 2 is movably provided with a smoke exhaust pipe 3. The bottom of the reaction box 1 is provided with a support frame 15.

[0033] The bottom end of the reaction box 1 is fixedly connected with the output pipe 2, and the outer side of the output pipe 2 is connected with the smoke exhaust pipe 3 through threads. The smoke exhaust pipe 3 outputs flue gas. The support frame 15 supports the top reaction box 1 to ensure the stability of the reaction box 1.

[0034] The top of the reaction box 1 is provided with a top cover 16. The top wall of the top cover 16 is provided with an assembly opening 17. The outer side of the assembly opening 17 is movably provided with an assembly cover 18. The top end of the assembly cover 18 is provided with a guide pipe 19. One end of the guide pipe 19 is provided with a sealing cover 24. The inner wall of the guide pipe 19 is provided with a transmission pipe 21. The bottom of the transmission pipe 21 is provided with a spray head 22. One end of the transmission pipe 21 is provided with a connecting head 23. The inner side of the sealing cover 24 is movably provided with a connecting pipe 25 through threads. The bottom end of the connecting pipe 25 is provided with a support box 26. The bottom end of the support box 26 is provided with an output valve 27. The bottom end of the output valve 27 is provided with an output interface. One side of the support box 26 is provided with an input pipe 28. One end of the input pipe 28 is provided with an input valve 20. One end of the input valve 20 is provided with an input interface.

[0035] One end of the input valve 20 is connected with the input interface. The input interface transmits flue gas to the inside of the input valve 20. The input valve 20 opens to transmit flue gas to the inside of the input pipe 28. The input pipe 28 transmits flue gas to the inside of the support box 26. The support box 26 guides flue gas to move upward to the inside of the connecting pipe 25. The outer side of the connecting pipe 25 is connected with the sealing cover 24 through threads. The top end of the sealing cover 24 is fixedly connected with the guide pipe 19. The guide pipe 19 fixes one side of the transmission pipe 21. One end of the transmission pipe 21 is fixedly connected with the connecting head 23. The connecting head 23 is connected with an ammonia water device. Ammonia water is transmitted through the transmission pipe 21. The ammonia water is transmitted to the inside of the spray head 22. The spray head 22 sprays ammonia water. The ammonia water returns to the inside of the support box 26. The support box 26 transmits water to the inside of the output valve 27. The output valve 27 controls the discharge of ammonia water. Flue gas is transmitted from the guide pipe 19 to the inside of the assembly cover 18. The flue gas is transmitted to the inside of the assembly opening 17. The assembly opening 17 transmits flue gas to the inside of the reaction box 1.

[0036] The working principle is that the input interface transmits the flue gas to the inside of the input valve 20, the input valve 20 is opened to transmit the flue gas to the inside of the input pipe 28, the input pipe 28 transmits the flue gas to the inside of the supporting box 26, the supporting box 26 guides the flue gas to move upwards to the inside of the connecting pipe 25, the outer side of the connecting pipe 25 is connected with the sealing cover 24 through threads, the top end of the sealing cover 24 is fixedly connected with the guide pipe 19, the guide pipe 19 is fixed to one side of the transmission pipe 21, one end of the transmission pipe 21 is fixedly connected with the connecting head 23, the connecting head 23 is connected with the ammonia water device, ammonia water is transmitted through the transmission pipe 21, the ammonia water is transmitted to the inside of the spray head 22, the spray head 22 sprays the ammonia water, the ammonia water returns to the inside of the supporting box 26, the supporting box 26 transmits the water to the inside of the output valve 27, the output valve 27 controls the ammonia water to be discharged, the flue gas is transmitted by the guide pipe 19 to the inside of the assembled cover 18, the flue gas is transmitted to the inside of the assembled port 17, the assembled port 17 transmits the flue gas to the inside of the reaction box 1, the reaction box 1 is fixed to the inside of three groups of supporting rings 4, so that the three groups of supporting rings 4 are stable, the first group of supporting rings 4 supports the top upper layer catalyst 7, the second group of supporting rings 4 supports the top middle layer catalyst 6, the third group of supporting rings 4 supports the top lower layer catalyst 5, so that the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7 are stable, the flue gas moves from top to bottom, the flue gas passes through the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7, the main components of the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7 include catalyst carrier material, active component and promoter, the lower layer catalyst 5, the middle layer catalyst 6 and the upper layer catalyst 7 cooperate to filter the flue gas, so that the purification effect is improved.

[0037] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to embrace all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to which the reference signs are directed.

Claims

1. A denitration reaction apparatus characterized by comprising: It include: reaction box (1), the inside of reaction box (1) is installed three groups of support ring (4), one side of reaction box (1) is equipped with three groups of through hole, through hole is located above support ring (4), the top of first group support ring (4) is installed with upper layer catalyst (7), the top of second group support ring (4) is installed with middle layer catalyst (6), the top of third group support ring (4) is installed with lower layer catalyst (5); The side of reaction box (1) is movably installed with mounting cover (10) through through hole, the front end and rear end of mounting cover (10) is installed with clamping plate (11), the inside of clamping plate (11) is equipped with bayonet; The front wall and rear wall of reaction box (1) is installed with support seat (12), the inside of support seat (12) is installed with threaded rod (13) through connecting shaft, threaded rod (13) is clamped in the inside of bayonet, the outside of threaded rod (13) is movably installed with tightening ring (14) through screw, tightening ring (14) is abutted on one side of clamping plate (11); The top of reaction box (1) is installed with top cover (16), the top wall of top cover (16) is installed with assembly port (17) through, the outside of assembly port (17) is movably installed with assembly cover (18), the top end of assembly cover (18) is installed with guide pipe (19), one end of guide pipe (19) is installed with sealing cover (24).

2. The device according to claim 1, characterized in that: The inside of reaction box (1) is installed with support frame (8), support frame (8) is located above support ring (4), the top of support frame (8) is installed with rectifier grid (9).

3. The device according to claim 1, wherein: The bottom of reaction box (1) is installed with output pipe (2), the bottom end outside of output pipe (2) is movably installed with smoke pipe (3), the bottom of reaction box (1) is installed with support frame (15).

4. The device according to claim 1, wherein: The inner wall of guide pipe (19) is installed with transmission pipe (21) through, the bottom of transmission pipe (21) is installed with spray head (22), one end of transmission pipe (21) is installed with connector (23).

5. The device according to claim 1, wherein: The inside of sealing cover (24) is movably installed with connecting pipe (25) through screw, the bottom end of connecting pipe (25) is installed with support box (26), the bottom end of support box (26) is installed with output valve (27), the bottom end of output valve (27) is installed with output interface.

6. The device according to claim 5, wherein: One side of support box (26) is installed with input pipe (28), one end of input pipe (28) is installed with input valve (20), one end of input valve (20) is installed with input interface. One side of support box (26) is installed with input pipe (28), one end of input pipe (28) is installed with input valve (20), one end of input valve (20) is installed with input interface.

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