Spraying device for coke oven flue gas wet desulfurization tower

Abstract

The utility model discloses a spraying device for a coke oven flue gas wet desulfurization tower, which comprises a conveying component, an eddy nozzle is mounted at one end of the conveying component, a vibration component is mounted in the eddy nozzle, the vibration component comprises a main shaft rotationally connected in the eddy nozzle, and a fender is mounted on the outer side below the main shaft. By arranging the vortex spray head, the vibration assembly and the fixing plate, through the vortex structure design in the vortex spray head, the spraying effect and the spraying range can be improved, in the spraying process, high-pressure spraying liquid flows into the vortex spray head and then drives a fender to rotate, and the fender drives a supporting base to rotate through a main shaft; the supporting seat can drive the movable plate to rotate, and the movable plate can intermittently make contact with the fixed plate in the rotating process, so that the vortex spray head generates moving vibration through the fixed plate, the situation that impurities adhere to the interior of the vortex spray head to cause blockage can be avoided, and spraying smoothness is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to coke oven flue gas wet desulphurization tower washing spray device technical field, especially relate to a kind of for coke oven flue gas wet desulphurization tower spray device. BACKGROUND

[0002] Flue gas generated in the production process of stamp-charging coke oven needs to be treated by waste heat recovery, desulphurization, denitration and other processes to reach national emission standards, and then discharged, wherein the main body of the wet desulphurization system is a desulphurization tower, the total flue gas treatment capacity of the desulphurization tower is 300000Nm3 / h, the inlet SO2≤300mg / Nm3, and the inlet temperature is about 300℃. After desulphurization, SO2 in the flue gas is ≤30mg / Nm3, and the main equipment, desulphurization tower, has a diameter of Ф6000 and a height of about 54 meters. The flue gas desulphurization device comprises an absorption circulation system, an oxidation air system, an ammonia water system, a process water system and the like. The flue gas from the waste heat system booster fan enters the absorption section of the desulphurization tower, removes SO2 in the flue gas, then enters the washing section to further remove SO2, and controls the dust in the flue gas within the design range. The clean flue gas after absorption is de-misted by a mist eliminator and discharged into the original chimney from the top of the desulphurization tower.

[0003] The existing spray device, in use, transports spray liquid to the spiral spray head through a conveying assembly made of glass fiber, and then sprays the liquid out of the spiral spray head to desulphurize the flue gas in the washing section. The spiral spray head is prone to blockage in use, thereby reducing the washing effect. SUMMARY

[0004] The utility model aims to provide a kind of for coke oven flue gas wet desulphurization tower spray device.

[0005] The utility model can achieve the purpose by adopting the following technical scheme:

[0006] A kind of for coke oven flue gas wet desulphurization tower spray device, including conveying assembly, the conveying assembly one end is equipped with vortex jet, vortex jet is equipped with vibration assembly in, vibration assembly includes the main shaft rotationally connected in vortex jet, the main shaft lower outer side is equipped with leaf plate, and the leaf plate is located in vortex jet, the main shaft top end is equipped with support seat, support seat is located vortex jet above, the support seat bottom end two sides are connected with two groups of movable plate by shaft, and the vortex jet top end is equipped with two groups of fixed plate, the movable plate bottom end is located below the fixed plate.

[0007] Preferably, the conveying assembly includes a main pipe, a secondary pipe and a shunt pipe, and the main pipe, the secondary pipe and the shunt pipe are made of 316 stainless steel.

[0008] Preferably, the main pipe is provided with flanges at both ends for mutual connection.

[0009] Preferably, the auxiliary pipe is welded with the main pipe, and the auxiliary pipe top end is equidistantly installed with multiple groups of flanges for connecting the shunt pipes.

[0010] Preferably, the shunt pipe is connected with the auxiliary pipe through the flange, and the vortex nozzle is connected with the shunt pipe through the thread.

[0011] Preferably, the main shaft connected with the vortex nozzle has a sealing gasket for sealing.

[0012] The beneficial technical effects are that:

[0013] By setting the vortex nozzle, the vibration assembly and the fixed plate, and by the vortex structure design inside the vortex nozzle, the spraying and spraying effect and the spraying range can be improved, and in the spraying process, the high-pressure spraying liquid flowing into the vortex nozzle drives the leaf plate to rotate, the leaf plate drives the support seat to rotate through the main shaft, and the support seat drives the movable plate to rotate, and the movable plate can intermittently contact with the fixed plate in the rotating process, so that the vortex nozzle generates the moving vibration through the fixed plate, the clogging caused by the impurities adhering in the vortex nozzle can be avoided, and the smoothness of the spraying can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a preferred embodiment of the present application for the coke oven flue gas wet desulfurization tower spraying device.

[0015] Figure 2 It is a position relationship schematic view of the material flow nozzle, the fixed plate and the movable plate in a preferred embodiment of the present application for the coke oven flue gas wet desulfurization tower spraying device.

[0016] Figure 3 It is a structural schematic view of the vibration assembly in a preferred embodiment of the present application for the coke oven flue gas wet desulfurization tower spraying device.

[0017] The reference signs are explained as follows:

[0018] 1, conveying assembly; 101, main pipe; 102, auxiliary pipe; 103, shunt pipe; 2, vortex nozzle; 3, vibration assembly; 301, main shaft; 302, leaf plate; 303, support seat; 304, movable plate; 4, fixed plate. DETAILED DESCRIPTION

[0019] In order to make the skilled in the art more clear and explicit technical scheme of the present application, the present application is described in further detail below in combination with the embodiments and the drawings, but the implementation manner of the present application is not limited to this.

[0020] For example, Figures 1-3As shown, the embodiment provides a kind of for coke oven flue gas wet desulfurization tower spraying device, including conveying assembly 1, conveying assembly 1 one end is equipped with vortex nozzle 2, vortex structure design inside vortex nozzle 2, can improve the spraying effect and spray range, vortex nozzle 2 is installed with vibration assembly 3, vibration assembly 3 includes the main shaft 301 rotationally connected in vortex nozzle 2, the outer side of main shaft 301 below is equipped with leaf plate 302, leaf plate 302 is impacted by spraying liquid and can drive main shaft 301 rotation along vortex nozzle 2, and leaf plate 302 is located in vortex nozzle 2, the top of main shaft 301 is equipped with support seat 303, main shaft 301 can drive support seat 303 rotation, support seat 303 can drive movable plate 304 rotation, support seat 303 is located above vortex nozzle 2, the bottom of support seat 303 is connected with two groups of movable plate 304 on both sides by shaft, movable plate 304 can be contacted with fixed plate 4 in rotation process, to make the liquid flow nozzle produce certain vibration, and the top of vortex nozzle 2 is equipped with two groups of fixed plate 4, fixed plate 4 can transmit vibration, and the bottom of movable plate 304 is located below fixed plate 4.

[0021] As shown in the figure, Figure 1 Conveying assembly 1 includes main pipe 101, auxiliary pipe 102 and shunt pipe 103, and main pipe 101, auxiliary pipe 102 and shunt pipe 103 are made of 316 stainless steel, which can effectively improve the service life of conveying assembly 1.

[0022] As shown in the figure, Figure 1 Both ends of main pipe 101 are provided with flanges for mutual connection, which facilitates the assembly of multiple main pipes 101 according to the use requirements.

[0023] As shown in the figure, Figure 1 Auxiliary pipe 102 is welded with main pipe 101, and a plurality of flanges for connecting shunt pipe 103 are installed at equal intervals at the top of auxiliary pipe 102, which facilitates the conveying of spraying liquid through main pipe 101 and the shunting into auxiliary pipe 102.

[0024] As shown in the figure, Figures 1-2 Shunt pipe 103 is connected with auxiliary pipe 102 through flange, and vortex nozzle 2 is connected with shunt pipe 103 through thread, which facilitates the movement of spraying liquid flowing in auxiliary pipe 102 to vortex nozzle 2 through shunt pipe 103.

[0025] As shown in the figure, Figures 1-2 Main shaft 301 is connected with vortex nozzle 2 and has a sealing gasket for sealing, which prevents spraying liquid from overflowing from the connection between main shaft 301 and vortex nozzle 2 during rotation of main shaft 301.

[0026] The working principle of the device: when the device is used, a plurality of main pipes 101 are assembled according to the use requirements, and the auxiliary pipes 102 are connected in sequence outside the main pipes 101, the vortex pipe 103 is installed at the top of the auxiliary pipe 102, then the vortex nozzle 2 is connected with the vortex pipe 103, thereby forming a spraying assembly, the spraying liquid is conveyed through the main pipe 101, then flows through the auxiliary pipe 102 and is distributed through the vortex pipe 103, and is sprayed out from the vortex nozzle 2, the vortex structure inside the vortex nozzle 2 is designed, which can improve the spraying and spraying range, and in the spraying process, the high-pressure spraying liquid flows into the vortex nozzle 2, drives the leaf plate 302 to rotate, the leaf plate 302 drives the support seat 303 to rotate through the main shaft 301, the support seat 303 can drive the movable plate 304 to rotate, the movable plate 304 can intermittently contact the fixed plate 4 in the rotating process, thereby making the vortex nozzle 2 vibrate through the fixed plate 4, which can avoid the blockage caused by the impurities adhering in the vortex nozzle 2, ensures the smoothness of the spraying, and the main pipe 101, the auxiliary pipe 102 and the vortex pipe 103 made of 316 stainless steel can effectively improve the service life of the conveying assembly 1.

[0027] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A spray device for a wet desulfurization tower of coke oven flue gas, characterized in that: The device includes a conveying assembly (1), one end of which is equipped with a vortex nozzle (2). A vibration assembly (3) is installed inside the vortex nozzle (2). The vibration assembly (3) includes a main shaft (301) rotatably connected inside the vortex nozzle (2). A blade (302) is installed on the outer side below the main shaft (301) and the blade (302) is located inside the vortex nozzle (2). A support base (303) is installed at the top of the main shaft (301) and is located above the vortex nozzle (2). Two sets of movable plates (304) are connected to the bottom sides of the support base (303) by a shaft. Two sets of fixed plates (4) are installed at the top of the vortex nozzle (2) and the bottom of the movable plate (304) is located below the fixed plate (4).

2. The spray device for a wet desulfurization tower of coke oven flue gas according to claim 1, characterized in that: The conveying assembly (1) includes a main pipe (101), a secondary pipe (102) and a branch pipe (103), and the main pipe (101), the secondary pipe (102) and the branch pipe (103) are all made of 316 stainless steel.

3. The spray device for a wet desulfurization tower of coke oven flue gas according to claim 2, characterized in that: Both ends of the main pipe (101) are provided with flanges for interconnection.

4. A spray device for a wet desulfurization tower of coke oven flue gas according to claim 3, characterized in that: The secondary pipe (102) is welded to the main pipe (101), and multiple sets of flanges for connecting the branch pipe (103) are installed at equal intervals at the top of the secondary pipe (102).

5. A spray device for a wet desulfurization tower of coke oven flue gas according to claim 4, characterized in that: The diversion pipe (103) is connected to the secondary pipe (102) via a flange, and the vortex nozzle (2) is connected to the diversion pipe (103) via a thread.

6. A spray device for a wet desulfurization tower of coke oven flue gas according to claim 5, characterized in that: The main shaft (301) is connected to the vortex nozzle (2) and has a sealing gasket for sealing.

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