Multistage spray cleaning device for calcination waste gas

Abstract

The utility model discloses a kind of calcination waste gas multistage spray purification treatment devices, including body mechanism and being set to the top of body mechanism, by the drive of water flow when body mechanism operation, rotating scraper demister surface, reduce dust adhesion amount, guarantee the scraping mechanism of component use effect, the scraping mechanism includes the cavity column fixedly connected in the inside of demister, water flow in top end side pipe has stronger impact force, and via pipe frame drive impeller inside its rotation, drive the synchronous rotation of the shaft of impeller top, make side piece cooperate screw rod and the base of its one side by adapter column, and drive moving piece to rotate outside demister, the surface of scraper demister is scraped, the falling speed of liquid mixed with dust on the surface of demister is accelerated, while reducing the adhesion amount of dust on the surface of demister, to effectively improve the operation effect of demister in long time use process, guarantee the cleanliness of gas discharged by body mechanism.

Description

Technical Field

[0001] This utility model belongs to the field of roasting waste gas treatment technology, specifically relating to a multi-stage spray purification treatment device for roasting waste gas. Background Technology

[0002] The multi-stage spray purification treatment device for roasting exhaust gas is a specialized device for treating the complex exhaust gas generated during the roasting process. Its core function is to remove particulate matter, acidic gases, organic pollutants, etc. from the exhaust gas through multi-stage spraying and purification technology, while avoiding secondary pollution and ensuring that the exhaust gas emissions meet environmental protection requirements.

[0003] The existing multi-stage spray purification treatment device for roasting exhaust gas uses a physical interception method to separate liquid droplets at the top inside. However, after long-term use, due to the lack of a corresponding cleaning structure, a large amount of impurities will adhere to its surface, resulting in a smaller contact area between the demister and the gas and liquid, which reduces its functionality and causes great inconvenience. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a multi-stage spray purification treatment device for roasting waste gas. This addresses the problem mentioned in the background art that, after prolonged use, the demisters in some existing multi-stage spray purification treatment devices for roasting waste gas, which separate liquid droplets through physical interception at the top inside, suffer from a lack of corresponding cleaning structures, resulting in a large amount of impurities adhering to their surface. This leads to a reduction in the contact area between the demister and the gas and liquid, causing a decline in its functionality and causing great inconvenience.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage spray purification treatment device for roasting exhaust gas, comprising a main body and a scraping mechanism disposed on the top of the main body. Driven by water flow during operation, the scraping mechanism rotates and scrapes the surface of a demister to reduce dust adhesion and ensure the effectiveness of components. The scraping mechanism includes a hollow column fixedly connected to the inner side of the demister. A rotating shaft is rotatably connected to the inner side of the hollow column. A connecting column is fixedly connected to the outer side of the rotating shaft. A side plate is fixedly connected to one side of the connecting column. A screw is threadedly connected to the inner side of the side plate. A base is rotatably connected to the outer side of one end of the screw. A shifting plate is fixedly connected to one side of the base. Several brushes are symmetrically arranged on one side of the shifting plate. An impeller is fixedly connected to the bottom of the rotating shaft. A pipe frame is rotatably connected to the outer side of the impeller. Side pipes are fixedly connected to both ends of the pipe frame.

[0006] Preferably, the main body includes a tower body, a base plate is fixedly connected to the bottom of the tower body, an air inlet pipe is fixedly connected to the bottom of one side of the tower body, an exhaust pipe is fixedly connected to the top of the tower body, a maintenance sealing pipe is fixedly connected to the top of one side of the tower body, a water tank is fixedly connected to the bottom of the other side of the tower body, a base plate is fixedly connected to the bottom of the water tank, a pump body is fixedly connected to the top of the water tank, a transfer pipe is fixedly connected to the output end of the pump body, a booster pump is fixedly connected to the top of the transfer pipe, several side pipes are symmetrically arranged on one side of the transfer pipe and the booster pump, nozzles are fixedly connected to the outside of the side pipes, several nozzles are symmetrically arranged, several material stacking layers are symmetrically arranged on one side of the inside of the tower body, and a demister is fixedly connected to the top of the inside of the tower body.

[0007] Preferably, a stabilizing frame is fixedly connected to the outside of the transfer pipe, and two stabilizing frames are symmetrically arranged. The tower body is fixedly connected to one side of the stabilizing frame.

[0008] Preferably, the top of the side piece is symmetrically provided with a plurality of lightweight grooves, all of which penetrate the inner side of the side piece.

[0009] Preferably, a sliding rod is fixedly connected to one side of the top of the sliding plate, and several sliding rods are symmetrically arranged, with a side plate slidably connected to the outside of the sliding rod.

[0010] Preferably, a spring is movably connected to the outer side of the screw tip, and the spring is located at the top of the side plate.

[0011] Preferably, a sleeve is rotatably connected to the outside of the rotating shaft, and a tower body is fixedly connected to the outside of the sleeve.

[0012] Preferably, the rotating shaft is made of stainless steel.

[0013] Compared with the prior art, this utility model provides a multi-stage spray purification treatment device for roasting waste gas, which has the following beneficial effects:

[0014] 1. The utility model sets a brush. After opening the maintenance sealing pipe, according to the required cleaning force, rotate the screw in the side plate, drive the screw to descend in the side plate until the brushes at the bottom of the moving plate contact both sides of the demister at a height. Connect the front-end and rear-end equipment supporting the main body mechanism to the air inlet pipe and the exhaust pipe respectively through air ducts, and place the corresponding stockpiles flat on the top of each stockpiling layer. Finally, close the maintenance sealing pipe, introduce the waste gas into the tower body from the air inlet pipe, open the pump body to transport water through the transfer pipe to the side pipe and then spray it through the nozzle, cooperate with the stockpiles on the top of the stockpiling layer to carry out multi-stage spray purification on the calcination waste gas, and discharge the treated gas into the rear-end equipment from the exhaust pipe. During the process of transporting water through the transfer pipe, part of the water is input into the booster pump, pressurized by the booster pump and then discharged into the side pipe at the top. At this time, the water flow in the top side pipe has a strong impact force, and drives the impeller inside it to rotate through the pipe frame,带动 the rotating shaft at the top of the impeller to rotate synchronously, and through the transfer column, the side plate cooperates with the screw and the base on one side to drive the moving plate to rotate outside the demister, scrape the surface of the demister, accelerate the falling speed of the liquid mixed with dust on the surface of the demister, and at the same time reduce the adhesion amount of dust on the surface of the demister, thereby effectively improving the operation effect of the demister during long-term use and ensuring the cleanliness of the gas discharged by the main body mechanism;

[0015] 2. The utility model sets a spring, which can effectively reduce the loosening amplitude of the screw during long-term use by reversely supporting the screw, and ensure the contact force between the brush and the demister;

[0016] 3. The utility model sets a sleeve frame, which can effectively improve the stability of the position of the rotating shaft during rotation.

[0017] The parts not involved in this device are the same as or can be realized by the prior art. The structure of the utility model is scientific and reasonable, safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0019] Figure 1 is an isometric structural view of a multi-stage spray purification treatment device for calcination waste gas proposed by the utility model;

[0020] Figure 2 is an exploded structural view of a multi-stage spray purification treatment device for calcination waste gas proposed by the utility model;

[0021] Figure 3This is an isometric structural diagram of the scraping mechanism of a multi-stage spray purification treatment device for roasting exhaust gas proposed in this utility model.

[0022] Figure 4 This is an exploded structural diagram of the scraping mechanism of a multi-stage spray purification treatment device for roasting exhaust gas proposed in this utility model.

[0023] In the diagram: Main body 1, tower body 101, base plate 102, air inlet pipe 103, exhaust pipe 104, maintenance sealing pipe 105, water tank 106, pump body 107, adapter pipe 108, booster pump 109, side pipe 110, nozzle 111, material stack layer 112, demister 113, scraping mechanism 2, cavity column 201, rotating shaft 202, adapter column 203, side plate 204, screw 205, base 206, shifting plate 207, brush 208, impeller 209, pipe frame 210, stabilizing frame 3, lightweight groove 4, slide bar 5, spring 6, sleeve 7. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4This utility model provides a technical solution: a multi-stage spray purification treatment device for roasting exhaust gas, including a main body 1 and a scraping mechanism 2 disposed on the top of the main body 1. Driven by water flow during operation, the scraping mechanism 2 rotates and scrapes the surface of the demister to reduce dust adhesion and ensure the performance of components. The scraping mechanism 2 includes a hollow column 201 fixedly connected to the inner side of the demister 113. A rotating shaft 202 is rotatably connected to the inner side of the hollow column 201. A connecting column 203 is fixedly connected to the outer side of the rotating shaft 202. A side plate 204 is fixedly connected to one side of the connecting column 203. A screw 205 is threadedly connected to the inner side of the side plate 204. One end of the screw 205 has an outer... A base 206 is rotatably connected to the side. A shift plate 207 is fixedly connected to one side of the base 206. Several brushes 208 are symmetrically arranged on one side of the shift plate 207. An impeller 209 is fixedly connected to the bottom of the rotating shaft 202. A pipe frame 210 is rotatably connected to the outside of the impeller 209. Side pipes 110 are fixedly connected to both ends of the pipe frame 210. After opening the maintenance sealing pipe 105, the screw 205 is rotated inside the side plate 204 according to the required cleaning force. The screw 205 is driven to descend inside the side plate 204 until the brushes 208 at the bottom of the shift plate 207 are in contact with both sides of the demister 113. The front and rear equipment matched with the main body mechanism 1 are connected to the air inlet pipe through the air duct. Connect pipes 103 and 104 to the exhaust pipe, and place the corresponding stockpile flat on top of each stockpile layer 112. Finally, seal the maintenance sealing pipe 105, and introduce the exhaust gas into the tower body 101 through the inlet pipe 103. Open the pump body 107 to transport water through the transfer pipe 108 to the side pipe 110, and then spray it through the nozzle 111. This, combined with the stockpile at the top of the stockpile layer 112, performs multi-stage spray purification of the roasting exhaust gas. The treated gas is then discharged into the downstream equipment through the exhaust pipe 104. During the process of transporting water through the transfer pipe 108, some water is input into the booster pump 109, and after being pressurized by the booster pump 109, it is discharged into the side pipe 110 located at the top. The water flow in the top side pipe 110 has a strong impact force, and drives the impeller 209 inside the pipe frame 210 to rotate, which drives the rotating shaft 202 at the top of the impeller 209 to rotate synchronously. Through the adapter column 203, the side plate 204, together with the screw 205 and the base 206 on one side, drives the moving plate 207 to rotate on the outside of the demister 113, scraping the surface of the demister 113, accelerating the falling speed of the liquid mixed with dust on the surface of the demister 113, and reducing the amount of dust adhering to the surface of the demister 113, thereby effectively improving the working effect of the demister 113 during long-term use and ensuring the cleanliness of the gas discharged by the main body mechanism 1.

[0026] In this utility model, preferably, the main body mechanism 1 includes a tower body 101, a base plate 102 fixedly connected to the bottom of the tower body 101, an air inlet pipe 103 fixedly connected to the bottom of one side of the tower body 101, an exhaust pipe 104 fixedly connected to the top of the tower body 101, a maintenance sealing pipe 105 fixedly connected to the top of one side of the tower body 101, a water tank 106 fixedly connected to the bottom of the other side of the tower body 101, a base plate 102 fixedly connected to the bottom of the water tank 106, a pump body 107 fixedly connected to the top of the water tank 106, a transfer pipe 108 fixedly connected to the output end of the pump body 107, a booster pump 109 fixedly connected to the top of the transfer pipe 108, and several side pipes 110 symmetrically arranged on one side of the transfer pipe 108 and the booster pump 109, with spray nozzles fixedly connected to the outer side of the side pipes 110. The nozzles 111 are symmetrically arranged in several places. Several material stacks 112 are symmetrically arranged on one side of the tower body 101. A demister 113 is fixedly connected to the top of the inner side of the tower body 101. The front and rear equipment matched with the main body mechanism 1 are connected to the air inlet pipe 103 and the exhaust pipe 104 respectively through the air duct. The corresponding material stacks are placed flat on the top of each material stack 112. Finally, the maintenance sealing pipe 105 is closed, and the exhaust gas is introduced into the tower body 101 from the air inlet pipe 103. The pump body 107 is turned on to transport water through the transfer pipe 108 to the side pipe 110 and then spray it through the nozzles 111. The exhaust gas is purified by multi-stage spraying in conjunction with the material stacks on the top of the material stacks 112. The treated gas is discharged into the rear end device through the exhaust pipe 104.

[0027] In this utility model, preferably, a stabilizing frame 3 is fixedly connected to the outside of the transfer pipe 108. Two stabilizing frames 3 are symmetrically arranged. The tower body 101 is fixedly connected to one side of the stabilizing frame 3, which can effectively ensure the stability of the position of the transfer pipe 108 during the water supply process.

[0028] In this utility model, preferably, a plurality of lightweight grooves 4 are symmetrically arranged on the top of the side piece 204. The lightweight grooves 4 all penetrate the inner side of the side piece 204, which can effectively reduce the weight of the side piece 204 and ensure the smoothness of the side piece 204 when rotating.

[0029] In this utility model, preferably, a sliding rod 5 is fixedly connected to one side of the top of the sliding plate 207, and several sliding rods 5 are symmetrically arranged. A side plate 204 is slidably connected to the outside of the sliding rod 5, which can effectively improve the stability of the sliding plate 207 when it is raised, lowered and subjected to force.

[0030] In this utility model, preferably, a spring 6 is movably connected to the outer side of the top end of the screw 205. The spring 6 is located at the top of the side plate 204. By supporting the screw 205 in the opposite direction, the loosening range of the screw 205 during long-term use can be effectively reduced, ensuring the contact force between the brush 208 and the demister 113.

[0031] In the present utility model, preferably, a sleeve frame 7 is rotatably connected to the outer side of the rotating shaft 202, and the tower body 101 is fixedly connected to the outer side of the sleeve frame 7, which can effectively improve the stability of the position of the rotating shaft 202 during rotation.

[0032] In the present utility model, preferably, the rotating shaft 202 is made of stainless steel, which has better corrosion resistance and hardness, and ensures the service life of the rotating shaft 202.

[0033] The working principle and usage process of the present utility model: During use, after opening the maintenance sealing pipe 105, rotate the screw 205 in the side piece 204 according to the required cleaning force, and drive the screw 205 to descend in the side piece 204 until the brushes 208 at the bottom of the moving piece 207 all contact the heights on both sides of the demister 113. Connect the front-end and rear-end devices supporting the main body mechanism 1 to the air inlet pipe 103 and the exhaust pipe 104 respectively through air ducts, and place the corresponding stacked materials flat on the tops of each stacking layer 112. Finally, close the maintenance sealing pipe 105, introduce the waste gas into the tower body 101 from the air inlet pipe 103, open the pump body 107 to convey water through the transfer pipe 108 to the side pipe 110 and then spray it through the nozzle 111. Cooperate with the stacked materials on the top of the stacking layer 112 to perform multi-stage spray purification on the calcination waste gas, and discharge the treated gas into the rear-end device from the exhaust pipe 104. During the process of the transfer pipe 108 conveying water, part of the water is input into the booster pump 109, and after being pressurized by the booster pump 109, it is discharged into the side pipe 110 at the top. At this time, the water flow in the top side pipe 110 has a strong impact force, and drives the impeller 209 inside it to rotate through the pipe frame 210,带动 the rotating shaft 202 at the top of the impeller 209 to rotate synchronously. Through the adapter column 203, the side piece 204 cooperates with the screw 205 and the base 206 on one side thereof to drive the moving piece 207 to rotate on the outside of the demister 113, scrape the surface of the demister 113, accelerate the dropping speed of the liquid mixed with dust on the surface of the demister 113, and at the same time reduce the adhesion amount of dust on the surface of the demister 113, thereby effectively improving the operation effect of the demister 113 during long-term use and ensuring the cleanliness of the gas discharged from the main body mechanism 1.

[0034] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage spray purification treatment device for roasting exhaust gas, characterized in that: The system includes a main body (1) and a scraping mechanism (2) located on top of the main body (1). Driven by the water flow during operation, the scraping mechanism (2) rotates and scrapes the surface of the demister to reduce dust adhesion and ensure the effectiveness of the components. The scraping mechanism (2) includes a cavity column (201) fixedly connected to the inside of the demister (113). A rotating shaft (202) is rotatably connected to the inside of the cavity column (201). A connecting column (203) is fixedly connected to the outside of the rotating shaft (202). A connecting column (203) is fixedly connected to one side of the connecting column (203). A side plate (204) is threadedly connected to a screw (205) on its inner side. A base (206) is rotatably connected to the outer side of one end of the screw (205). A sliding plate (207) is fixedly connected to one side of the base (206). Several brushes (208) are symmetrically arranged on one side of the sliding plate (207). An impeller (209) is fixedly connected to the bottom of the rotating shaft (202). A pipe frame (210) is rotatably connected to the outer side of the impeller (209). Side pipes (110) are fixedly connected to both ends of the pipe frame (210).

2. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: The main body (1) includes a tower body (101), a base plate (102) fixedly connected to the bottom of the tower body (101), an air inlet pipe (103) fixedly connected to the bottom of one side of the tower body (101), an exhaust pipe (104) fixedly connected to the top of the tower body (101), a maintenance sealing pipe (105) fixedly connected to the top of one side of the tower body (101), a water tank (106) fixedly connected to the bottom of the other side of the tower body (101), a base plate (102) fixedly connected to the bottom of the water tank (106), and a pump fixedly connected to the top of the water tank (106). The pump body (107) has an output end fixedly connected to a transfer pipe (108), and a booster pump (109) is fixedly connected to the top of the transfer pipe (108). Several side pipes (110) are symmetrically arranged on one side of the transfer pipe (108) and the booster pump (109). A nozzle (111) is fixedly connected to the outside of the side pipe (110). Several nozzles (111) are symmetrically arranged. Several stacking layers (112) are symmetrically arranged on one side of the inside of the tower body (101). A demister (113) is fixedly connected to the top of the inside of the tower body (101).

3. The multi-stage spray purification treatment device for roasting waste gas according to claim 2, characterized in that: The outside of the transfer pipe (108) is fixedly connected to a stabilizing frame (3). There are two symmetrically arranged stabilizing frames (3). The tower body (101) is fixedly connected to one side of the stabilizing frame (3).

4. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: The side plate (204) is symmetrically provided with several lightweight grooves (4) on its top, and the lightweight grooves (4) all penetrate the inner side of the side plate (204).

5. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: A sliding rod (5) is fixedly connected to one side of the top of the sliding plate (207). Several sliding rods (5) are symmetrically arranged, and a side plate (204) is slidably connected to the outside of the sliding rod (5).

6. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: A spring (6) is movably connected to the outer side of the top end of the screw (205), and the spring (6) is located on the top of the side plate (204).

7. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: The outer side of the rotating shaft (202) is rotatably connected to a sleeve (7), and the outer side of the sleeve (7) is fixedly connected to a tower body (101).

8. The multi-stage spray purification treatment device for roasting waste gas according to claim 1, characterized in that: The rotating shaft (202) is made of stainless steel.

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