Spraying mechanism and denitration device thereof

Abstract

The utility model discloses a spraying mechanism and denitration device thereof, including the mounting pipe, the outer wall of mounting shell is provided with the shunt hole, the inner cavity of shunt hole is sleeved with the spraying pipe, the locking component is arranged between the spraying pipe and mounting shell, the locking component includes the arc plate and locking piece, the arc plate is fixed on the outer wall of the spraying pipe, the locking piece is fixed on the outer wall of the spraying pipe, and the locking piece is fixed on the outer wall of the spraying pipe. A sealing gasket is fixedly connected to one side of the arc plate, one side of the sealing gasket is attached to the mounting shell in an extrusion mode, the locking piece is vertically clamped to the outer portion of the mounting shell in a sliding mode, and the locking piece is clamped to the side, away from the mounting shell, of the arc plate. According to the spray pipe mounting structure, the mounting shell, the spray pipe and the locking assembly are used in a matched mode, the locking piece can be used for clamping and locking the arc plate through the clamping block, the positioning plate can be used for locking the locking piece through the positioning rod, so that the mounting stability of the spray pipe is guaranteed, the positioning rod is separated from the arc plate, the locking piece can be taken down, and the spray pipe can be conveniently mounted. And then the spraying pipe is pulled out for maintenance.

Description

Technical Field

[0001] The utility model relates to the field of spraying mechanisms, in particular to a spraying mechanism and a denitration device thereof. Background Art

[0002] Denitrification tower is a device used for flue gas denitrification treatment, mainly used to reduce nitrogen oxide emissions in flue gas from industrial facilities such as coal-fired power plants and incineration plants.

[0003] When treating flue gas in a denitrification tower, the waste gas is usually treated by spraying reaction liquid. When spraying the reaction liquid in the denitrification tower, a spray pipe is usually set inside the denitrification tower, and multiple nozzles are installed at the bottom of the spray pipe. In order to improve the uniformity of spraying the reaction liquid, a pipe body is usually used to drive multiple spray pipes to rotate inside the denitrification tower, and the liquid is introduced into the top of the pipe body through a movable connector.

[0004] When the pipe body and the spray pipe are installed, a diversion shell is usually fixedly connected to the bottom of the pipe body, and then the spray pipe is installed inside the diversion shell using a flange plate and bolts. When the spray pipe is working, the nozzle at the bottom of the spray pipe will be blocked, and then it needs to be disassembled for maintenance. However, due to the limited internal space of the denitrification tower, the pipe body is usually disassembled from the denitrification tower, and then the spray pipe is disassembled, which makes it inconvenient to directly disassemble and maintain the spray pipe. Utility Model Content

[0005] The purpose of the utility model is to provide a spray mechanism and a denitration device thereof to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a spray mechanism and a denitrification device thereof, comprising a mounting pipe, the bottom of which is fixedly connected to a mounting shell;

[0007] The outer wall of the mounting shell is provided with a diversion hole, the inner cavity of the diversion hole is sleeved with a spray pipe, the bottom of the spray pipe is provided with a spray head, and a locking assembly is provided between the spray pipe and the mounting shell, the locking assembly comprising:

[0008] A circular arc plate, the circular arc plate being fixedly mounted on the outer wall of the spray pipe;

[0009] A locking piece is vertically slidably engaged with the outside of the mounting shell, and the locking piece is engaged with a side of the arc plate facing away from the mounting shell.

[0010] Preferably, a sealing gasket is fixedly connected to one side of the arc plate, one side of the sealing gasket is squeezed and fit with the mounting shell, and a groove matching the spray pipe is formed at the bottom of the locking piece.

[0011] Preferably, a clamping block is fixedly connected to the top of the mounting shell, a clamping slot is provided on the top of the locking member, and the outer wall of the clamping block is slidably engaged with the inner cavity of the clamping slot.

[0012] Preferably, a positioning plate is provided on the side of the locking member facing away from the arc plate, and a positioning rod is symmetrically fixedly connected to the bottom of the positioning plate facing the locking member. Positioning holes matching the positioning rod are symmetrically provided on one side of the locking member, and a positioning groove is provided on the side of the arc plate facing away from the mounting shell, and one end of the outer wall of the positioning rod is slidably engaged with the inner cavity of the positioning groove.

[0013] Preferably, the top of the positioning plate is symmetrically fixedly connected with a first fixed block, the top of the locking member is symmetrically fixedly connected with a second fixed block corresponding to the first fixed block, and a limiting spring acting on the first fixed block is provided on one side of the second fixed block.

[0014] Preferably, the first fixed block is fixedly connected to a guide rod on one side facing the second fixed block, the outer wall of the guide rod is slidably inserted and sleeved with the second fixed block, the outer wall of the guide rod is slidably sleeved with the limit spring, one end of the guide rod is fixedly connected to the limit block, and the limit spring is located between the second fixed block and the limit block.

[0015] Another object of the present invention is to provide a denitration device, which includes the above-mentioned spraying mechanism.

[0016] The technical effects and advantages of this utility model are:

[0017] The utility model utilizes the coordinated use of an installation shell, a spray pipe and a locking assembly. The locking assembly includes an arc plate, a locking piece, a positioning plate, a clamping block and a positioning rod. The locking piece can be clamped and locked to the arc plate by the clamping block, and the positioning plate can be locked to the locking piece by the positioning rod, thereby ensuring the stability of the spray pipe installation. When the positioning rod is separated from the arc plate, the locking piece can be removed, and the spray pipe can be pulled out for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the overall structure of the locking piece of the utility model.

[0020] Figure 3 This is a schematic diagram of the internal structure of the housing when viewed from above.

[0021] In the figure: 1. Mounting pipe; 2. Mounting shell; 3. Spray pipe; 4. Locking assembly; 41. Arc plate; 42. Locking piece; 43. Positioning plate; 44. Block; 45. Positioning rod; 46. First fixing block; 47. Second fixing block; 48. Limiting spring; 49. Guide rod; 410. Limiting block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides Figure 1-3 The spray mechanism shown in the figure includes a mounting tube 1, the bottom of the mounting tube 1 is fixedly connected to the mounting shell 2, the outer wall of the mounting shell 2 is provided with a diversion hole, the inner cavity of the diversion hole is sleeved with a spray pipe 3, and a plurality of spray heads are installed at the bottom of the spray pipe 3. The mounting tube 1 is rotatably installed on the de-pinning tower, and the top of the mounting tube 1 is connected to the liquid inlet pipe through a movable connector, so that the reaction liquid is transported to the spray head through the mounting tube 1, the mounting shell 2 and the plurality of spray pipes 3 for spraying. A locking assembly 4 is provided between the spray pipe 3 and the mounting shell 2, and the locking assembly 4 includes an arc plate 41 and a locking member 42. The arc plate 41 is fixedly installed on the outer wall of the spray pipe 3 The wall, one side of the arc plate 41 is fixedly connected with a sealing gasket, which can improve the sealing of the connection between the arc plate 41 and the spray pipe 3 and the installation shell 2. One side of the sealing gasket is squeezed into fit with the installation shell 2, and the locking piece 42 slides vertically and is clamped on the outside of the installation shell 2. The locking piece 42 is clamped on the side of the arc plate 41 away from the installation shell 2. The bottom of the locking piece 42 is provided with a groove matching the spray pipe 3. The locking piece 42 is L-shaped, and the locking piece 42 is vertically clamped on the top of the installation shell 2, so that the vertical part of the locking piece 42 can be clamped and locked to the arc plate 41, thereby ensuring the stability of the installation of the spray pipe 3.

[0024] The top of the mounting shell 2 is fixedly connected with a block 44, and the top of the locking piece 42 is provided with a slot, and the outer wall of the block 44 is slidably engaged with the inner cavity of the slot. Under the action of the block 44, the locking piece 42 cannot move horizontally relative to the mounting shell 2. The locking piece 42 is provided with a positioning plate 43 on the side away from the arc plate 41, and the positioning plate 43 is symmetrically fixedly connected to the bottom of the locking piece 42. One side of the locking piece 42 is symmetrically provided with a positioning hole matching the positioning rod 45. The arc plate 41 is provided with a positioning slot on the side away from the mounting shell 2, and one end of the outer wall of the positioning rod 45 is slidably engaged with the inner cavity of the positioning slot. Under the action of the positioning rod 45, the positioning plate 43, the locking piece 42 and the arc plate 41 are at the same height. And because the spray pipe 3 is connected to the diversion hole outside the mounting shell 2, the arc plate 41 is at a relatively stable height, so that the locking piece 42 is in a stable state and locks the arc plate 41.

[0025] Furthermore, the top of the positioning plate 43 is symmetrically fixedly connected with a first fixing block 46, and the top of the locking member 42 is symmetrically fixedly connected with a second fixing block 47 corresponding to the first fixing block 46. A limit spring 48 is provided on one side of the second fixing block 47 to act on the first fixing block 46. The first fixing block 46 is fixedly connected to a guide rod 49 on the side facing the second fixing block 47. The outer wall of the guide rod 49 is slidably inserted and sleeved with the second fixing block 47. The outer wall of the guide rod 49 is slidably sleeved with the limit spring 48. One end of the guide rod 49 is fixedly connected to the limit block 410. The limit spring 48 is located between the second fixing block 47 and the limit block 410. The limit spring 48 can provide a certain position to the positioning plate 43 through the guide rod 49 and the first fixing block 46. The spring 45 is pressed against the locking member 42 and the locking member 42 is released, and the locking member 42 is released, so that the locking member 42 is released and the locking member 42 is released.

[0026] This embodiment provides a denitrification device, which includes the above-mentioned spraying mechanism.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A spray mechanism, comprising a mounting tube (1), wherein the bottom of the mounting tube (1) is fixedly connected to a mounting shell (2); It is characterized in that The outer wall of the mounting shell (2) is provided with a diversion hole, the inner cavity of the diversion hole is sleeved with a spray pipe (3), the bottom of the spray pipe (3) is provided with a spray head, and a locking assembly (4) is provided between the spray pipe (3) and the mounting shell (2), and the locking assembly (4) comprises: A circular arc plate (41), wherein the circular arc plate (41) is fixedly mounted on the outer wall of the spray pipe (3); A locking member (42) is vertically slidably engaged with the outside of the mounting shell (2), and the locking member (42) is engaged with a side of the arc plate (41) facing away from the mounting shell (2).

2. A spray mechanism according to claim 1, characterized in that: A sealing gasket is fixedly connected to one side of the arc plate (41), and one side of the sealing gasket is pressed and fitted with the mounting shell (2). A groove matching the spray pipe (3) is provided at the bottom of the locking member (42).

3. A spray mechanism according to claim 1, characterized in that: A clamping block (44) is fixedly connected to the top of the mounting shell (2), a clamping slot is provided on the top of the locking member (42), and the outer wall of the clamping block (44) is slidably clamped with the inner cavity of the clamping slot.

4. A spray mechanism according to claim 3, characterized in that: A positioning plate (43) is provided on the side of the locking member (42) facing away from the arc plate (41), and a positioning rod (45) is symmetrically fixedly connected to the bottom of the positioning plate (43) facing the locking member (42). A positioning hole matching the positioning rod (45) is symmetrically opened on one side of the locking member (42), and a positioning groove is opened on the side of the arc plate (41) facing away from the mounting shell (2), and one end of the outer wall of the positioning rod (45) is slidably engaged with the inner cavity of the positioning groove.

5. A spray mechanism according to claim 4, characterized in that: The top of the positioning plate (43) is symmetrically fixedly connected to a first fixing block (46), the top of the locking member (42) is symmetrically fixedly connected to a second fixing block (47) corresponding to the first fixing block (46), and a limiting spring (48) is provided on one side of the second fixing block (47) to act on the first fixing block (46).

6. A spray mechanism according to claim 5, characterized in that: A guide rod (49) is fixedly connected to one side of the first fixed block (46) facing the second fixed block (47); the outer wall of the guide rod (49) is slidably inserted and sleeved with the second fixed block (47); the outer wall of the guide rod (49) is slidably sleeved with the limit spring (48); one end of the guide rod (49) is fixedly connected to the limit block (410); and the limit spring (48) is located between the second fixed block (47) and the limit block (410).

7. A denitrification device, characterized in that: The denitration device includes the spray mechanism according to any one of claims 1 to 6.

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