Dust collection and desulfurization device in zinc smelting

Abstract

The utility model discloses a dust collection desulfurization device in zinc smelting, which comprises a reaction tank, the bottom end of the reaction tank is fixedly connected with a supporting column, one side of the top end of the reaction tank is fixedly connected with an exhaust valve, the top end of the exhaust valve is fixedly connected with an exhaust pipe, the exhaust valve is communicated with the inside of the reaction tank, and the exhaust pipe is communicated with the inside of the reaction tank. A filtering structure for filtering waste gas is arranged on the other side of the top end of the reaction tank. According to the dust collection and desulfurization device in zinc smelting, the driving motor is arranged, during treatment, waste gas is guided into the filter cartridge through the gas inlet pipe, the waste gas is filtered through the filter screen and then enters the fixed box, finally, the waste gas is guided into the reaction tank through the gas guide pipe, and after treatment is completed, the driving motor can be started to drive the driving shaft to rotate; the driving shaft drives the cleaning brush to move through the connecting arm, the cleaning brush is attached to the interior of the filter screen to move, dust attached to the interior of the filter screen can be removed, and the problem that waste gas cannot be filtered is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to a dust collecting and desulfurizing device in zinc smelting. Background Art

[0002] Zinc is a common metal that is now widely used in various fields such as machinery, electricity, and chemical industry. During the zinc smelting process, sulfur-containing waste gas is generated. Direct discharge of this type of waste gas will pollute the atmospheric environment. Therefore, the waste gas needs to be desulfurized before discharge.

[0003] According to a flue gas desulfurization device for copper smelting proposed in Chinese patent application number CN202123155129.4, the specific content is that the utility model provides a flue gas desulfurization device for copper smelting, which relates to the field of flue gas treatment technology, including a desulfurization device body, the inner surface of the desulfurization device body is fixedly connected to a connecting pipe, the outer surface of the desulfurization device body is connected to an exhaust pump body through the connecting pipe, the air inlet end of the exhaust pump body is connected to a receiving structure, and the exhaust pump body is connected to a diversion structure through the receiving structure;

[0004] The flue gas desulfurization device for copper smelting proposed in this utility model still has some defects in use. During the treatment process, the exhaust gas cannot be automatically filtered, resulting in dust in the exhaust gas entering the interior of the device and affecting the treatment effect.

[0005] Now a new type of dust collection and desulfurization device in zinc smelting is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a dust collecting and desulfurizing device in zinc smelting, so as to solve the problem in the above background technology that the exhaust gas cannot be filtered.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a dust collection and desulfurization device for zinc smelting, comprising a reaction tank, wherein the bottom end of the reaction tank is fixedly connected to a support column, one side of the top end of the reaction tank is fixedly connected to an exhaust valve, the top end of the exhaust valve is fixedly connected to an exhaust pipe, the exhaust valve is connected to the interior of the reaction tank, and the other side of the top end of the reaction tank is provided with a filter structure for filtering exhaust gas;

[0008] The filtering structure includes a fixed box, one side of the top of the reaction tank is fixedly connected to the fixed box, the interior of the fixed box is fixedly connected to a filter cartridge, the top of the filter cartridge is provided with a through groove, the interior of the through groove is fixedly connected to a filter screen, the interior of the fixed box is movably connected to a drive shaft, both ends of the drive shaft are fixedly connected to connecting arms, one end of the connecting arm is fixedly connected to a cleaning brush, one side of the fixed box is fixedly connected to an air intake pipe, the other side of the fixed box is fixedly connected to a drive motor, and the bottom end of the fixed box is fixedly connected to an air guide pipe.

[0009] As a further technical solution of the present invention, the air inlet pipe is communicated with the interior of the filter cartridge, and the output end of the drive motor passes through one side of the fixed box and is fixedly connected to the drive shaft.

[0010] As a further technical solution of the present invention, the cleaning brush is movably connected to the filter screen, and the air guide pipe passes through the top of the reaction tank and extends to the bottom end inside the reaction tank.

[0011] As a further technical solution of the present invention, the air guide pipe is connected to the interior of the fixed box, and the center line of the drive shaft and the center line of the filter cartridge are on the same vertical plane.

[0012] As a further technical solution of the present invention, the top of the reaction tank is fixedly connected to a reducer, the top of the reducer is fixedly connected to a drive motor, the output end of the reducer passes through the top of the reaction tank and extends to the interior of the reaction tank and is fixedly connected to a rotating shaft, the outside of the rotating shaft is fixedly connected to a stirring rod, the bottom end of the rotating shaft is fixedly connected to a connecting plate, a group of drive plates are fixedly connected on both sides of the connecting plate, and the bottom end of the drive plate is fixedly connected to a rubber scraper.

[0013] As a further technical solution of the present invention, the rubber scraper is movably connected to the reaction tank, and the driving plates on both sides of the connecting plate are symmetrically arranged.

[0014] As a further technical solution of the present invention, the bottom end of the reaction tank is fixedly connected to an externally threaded tube, the outside of the externally threaded tube is movably connected to a threaded cover, the top of the threaded cover is fixedly connected to a water blocking tray, and the outside of the water blocking tray is fixedly connected to a rubber ring.

[0015] As a further technical solution of the present invention, the rubber ring is movably connected to the external threaded pipe, and the center line of the threaded cover and the center line of the water blocking disk are on the same vertical plane.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the dust collecting and desulfurizing device in zinc smelting can not only automatically filter the exhaust gas and accelerate the reaction speed, but also automatically remove the reaction products;

[0017] By providing a driving motor, a fixed box, a filter cartridge, a filter screen, an air intake pipe, an air guide pipe, a cleaning brush, a driving shaft, a connecting arm and a through slot, during treatment, the exhaust gas is introduced into the filter cartridge through the air intake pipe, the exhaust gas is filtered through the filter screen and then enters the fixed box, and finally the exhaust gas is introduced into the reaction tank through the air guide pipe for treatment, and after the treatment is completed, the driving motor can be started to drive the driving shaft to rotate, and the driving shaft drives the cleaning brush to move through the connecting arm, and the cleaning brush moves in contact with the inside of the filter screen to remove dust attached to the inside of the filter screen, thereby realizing automatic filtration of the exhaust gas;

[0018] By providing a reducer, a drive motor, a stirring rod and a rotating shaft, when the exhaust gas is treated, the exhaust gas is filtered and then introduced into the reaction liquid inside the reaction tank, and reacts with the reaction liquid to produce zinc sulfite. At the same time, the drive motor is started to drive the rotating shaft to rotate through the reducer. The rotation of the rotating shaft also drives the external stirring rod to move. The stirring rod can stir the reaction liquid, thereby accelerating the reaction speed, thereby accelerating the reaction speed inside the device.

[0019] By providing a driving plate, a rubber scraper, a connecting plate, a threaded cover, a water blocking disc, a rubber ring, an external threaded tube and a rotating shaft, the waste gas is discharged after the reaction is completed, and then the threaded cover is rotated to separate it from the outside of the external threaded tube. After that, the water blocking disc can be pulled out from the inside of the external threaded tube, and the reaction liquid can be discharged from the external threaded tube. Then, the driving motor is started to drive the connecting plate to rotate, and the connecting plate drives the rubber scraper to move through the driving plates on both sides. The rubber scraper is attached to the inner wall of the reaction tank and can scrape off the impurities remaining in the reaction tank, thereby exporting them from the external threaded tube, thereby realizing automatic removal of the reaction products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0021] Figure 2 This is a schematic diagram of the side cross-sectional structure of the filter cartridge of the present invention;

[0022] Figure 3 This is a schematic diagram of the top view of the threaded cover of the present invention;

[0023] Figure 4 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0024] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting plate of the present invention from above.

[0025] In the figure: 1. Reactor; 2. Exhaust valve; 3. Exhaust pipe; 4. Reducer; 5. Drive motor; 6. Drive motor; 7. Fixed box; 8. Filter cartridge; 9. Filter screen; 10. Inlet pipe; 11. Air guide pipe; 12. Drive plate; 13. Rubber scraper; 14. Connecting plate; 15. Threaded cover; 16. Water blocking tray; 17. Rubber ring; 18. Externally threaded pipe; 19. Support column; 20. Stirring rod; 21. Rotating shaft; 22. Cleaning brush; 23. Drive shaft; 24. Connecting arm; 25. Through groove. DETAILED DESCRIPTION

[0026] 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.

[0027] Example: See Figure 1-5 A dust collection and desulfurization device for zinc smelting includes a reaction tank 1, a support column 19 is fixedly connected to the bottom end of the reaction tank 1, an exhaust valve 2 is fixedly connected to one side of the top end of the reaction tank 1, an exhaust pipe 3 is fixedly connected to the top end of the exhaust valve 2, the exhaust valve 2 is connected to the interior of the reaction tank 1, and a filter structure for filtering exhaust gas is provided on the other side of the top end of the reaction tank 1;

[0028] The filtering structure includes a fixed box 7, one side of the top of the reaction tank 1 is fixedly connected to the fixed box 7, a filter cartridge 8 is fixedly connected inside the fixed box 7, a through slot 25 is provided at the top of the filter cartridge 8, a filter screen 9 is fixedly connected inside the through slot 25, a drive shaft 23 is movably connected inside the fixed box 7, both ends of the drive shaft 23 are fixedly connected to connecting arms 24, one end of the connecting arm 24 is fixedly connected to a cleaning brush 22, one side of the fixed box 7 is fixedly connected to an air intake pipe 10, the other side of the fixed box 7 is fixedly connected to a drive motor 6, and the bottom end of the fixed box 7 is fixedly connected to an air guide pipe 11;

[0029] The air inlet pipe 10 is connected to the interior of the filter cartridge 8, and the output end of the drive motor 6 passes through one side of the fixed box 7 and is fixedly connected to the drive shaft 23;

[0030] The cleaning brush 22 is movably connected to the filter screen 9, and the air guide tube 11 passes through the top of the reaction tank 1 and extends to the bottom of the reaction tank 1;

[0031] The air guide pipe 11 is connected to the interior of the fixed box 7, and the center line of the drive shaft 23 and the center line of the filter cartridge 8 are on the same vertical plane;

[0032] Specifically, if Figure 1 、 Figure 2 and Figure 4 As shown, during treatment, the exhaust gas is introduced into the filter cartridge 8 through the air inlet pipe 10, and the exhaust gas enters the fixed box 7 after being filtered by the filter screen 9. Finally, the exhaust gas is introduced into the reaction tank 1 through the air guide pipe 11 for treatment. After the treatment is completed, the drive motor 6 can be started to drive the drive shaft 23 to rotate. The drive shaft 23 drives the cleaning brush 22 to move through the connecting arm 24. The cleaning brush 22 is attached to the inside of the filter screen 9 and moves to remove the dust attached to the inside of the filter screen 9, thereby realizing automatic filtration of the exhaust gas.

[0033] The top of the reaction tank 1 is fixedly connected to a reducer 4, the top of the reducer 4 is fixedly connected to a drive motor 5, the output end of the reducer 4 passes through the top of the reaction tank 1 and extends to the inside of the reaction tank 1 and is fixedly connected to a rotating shaft 21, the outside of the rotating shaft 21 is fixedly connected to a stirring rod 20, the bottom end of the rotating shaft 21 is fixedly connected to a connecting plate 14, and a group of driving plates 12 are fixedly connected to both sides of the connecting plate 14, and the bottom end of the driving plate 12 is fixedly connected to a rubber scraper 13;

[0034] The rubber scraper 13 is movably connected to the reaction tank 1, and the driving plates 12 on both sides of the connecting plate 14 are symmetrically arranged;

[0035] Specifically, if Figure 1 As shown, when the exhaust gas is treated, the exhaust gas is filtered and then introduced into the reaction liquid inside the reaction tank 1, and reacts with the reaction liquid to produce zinc sulfite. At the same time, the drive motor 5 is started to drive the rotating shaft 21 to rotate through the reducer 4. The rotation of the rotating shaft 21 drives the external stirring rod 20 to move. The stirring rod 20 can stir the reaction liquid, thereby achieving a faster reaction speed, thereby accelerating the reaction speed inside the device.

[0036] The bottom end of the reaction tank 1 is fixedly connected to an externally threaded tube 18, the outside of the externally threaded tube 18 is movably connected to a threaded cover 15, the top of the threaded cover 15 is fixedly connected to a water blocking plate 16, and the outside of the water blocking plate 16 is fixedly connected to a rubber ring 17;

[0037] The rubber ring 17 is movably connected to the external threaded tube 18, and the center line of the threaded cover 15 and the center line of the water blocking plate 16 are on the same vertical plane;

[0038] Specifically, if Figure 1 、 Figure 3 and Figure 5As shown, after the reaction is completed, the waste gas is discharged, and then the threaded cover 15 is rotated to separate it from the outside of the external threaded tube 18. After that, the water blocking plate 16 can be pulled out from the inside of the external threaded tube 18, and the reaction liquid can be discharged from the external threaded tube 18. Then, the drive motor 5 is started to drive the connecting plate 14 to rotate. The connecting plate 14 drives the rubber scraper 13 to move through the drive plates 12 on both sides. The rubber scraper 13 is attached to the inner wall of the reaction tank 1 and can scrape off the impurities remaining in the reaction tank 1, thereby exporting it from the external threaded tube 18, thereby realizing automatic removal of the reaction products.

[0039] Working principle: When the utility model is in use, during treatment, the exhaust gas is introduced into the filter cartridge 8 through the air inlet pipe 10, and the exhaust gas enters the fixed box 7 after being filtered by the filter screen 9, and finally is introduced into the reaction tank 1 for treatment through the air guide pipe 11. After the treatment is completed, the drive motor 6 can be started to drive the drive shaft 23 to rotate, and the drive shaft 23 drives the cleaning brush 22 to move through the connecting arm 24. The cleaning brush 22 fits in the internal movement of the filter screen 9 to remove the dust attached to the inside of the filter screen 9. When the exhaust gas is treated, the exhaust gas is filtered and then introduced into the reaction liquid inside the reaction tank 1, and reacts with the reaction liquid to produce zinc sulfite. At the same time, the drive motor 5 is started to pass. The reducer 4 drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the external stirring rod 20 to move while rotating. The stirring rod 20 can stir the reaction liquid, thereby faster reaction speed. After the reaction is completed, the exhaust gas is discharged, and then the threaded cover 15 is rotated to separate it from the outside of the external threaded tube 18. After that, the water blocking plate 16 can be pulled out from the inside of the external threaded tube 18, and the reaction liquid can be discharged from the external threaded tube 18. Then, the drive motor 5 is started to drive the connecting plate 14 to rotate. The connecting plate 14 drives the rubber scraper 13 to move through the drive plates 12 on both sides. The rubber scraper 13 is attached to the inner wall of the reaction tank 1 and can scrape off the impurities remaining in the reaction tank 1, thereby exporting them from the external threaded tube 18.

Claims

1. A dust collection and desulfurization device for zinc smelting, comprising a reaction tank (1), characterized in that: The bottom end of the reaction tank (1) is fixedly connected to a support column (19), one side of the top end of the reaction tank (1) is fixedly connected to an exhaust valve (2), the top end of the exhaust valve (2) is fixedly connected to an exhaust pipe (3), the exhaust valve (2) is connected to the interior of the reaction tank (1), and the other side of the top end of the reaction tank (1) is provided with a filter structure for filtering exhaust gas; The filtering structure comprises a fixed box (7), one side of the top end of the reaction tank (1) is fixedly connected to the fixed box (7), the interior of the fixed box (7) is fixedly connected to a filter cartridge (8), the top end of the filter cartridge (8) is provided with a through slot (25), the interior of the through slot (25) is fixedly connected to a filter screen (9), the interior of the fixed box (7) is movably connected to a drive shaft (23), both ends of the drive shaft (23) are fixedly connected to connecting arms (24), one end of the connecting arm (24) is fixedly connected to a cleaning brush (22), one side of the fixed box (7) is fixedly connected to an air intake pipe (10), the other side of the fixed box (7) is fixedly connected to a drive motor (6), and the bottom end of the fixed box (7) is fixedly connected to an air guide pipe (11).

2. The dust collection and desulfurization device for zinc smelting according to claim 1, characterized in that: The air inlet pipe (10) is connected to the interior of the filter cartridge (8), and the output end of the drive motor (6) passes through one side of the fixed box (7) and is fixedly connected to the drive shaft (23).

3. The dust collection and desulfurization device for zinc smelting according to claim 1, characterized in that: The cleaning brush (22) is movably connected to the filter screen (9), and the air guide tube (11) passes through the top of the reaction tank (1) and extends to the bottom of the reaction tank (1).

4. The dust collection and desulfurization device for zinc smelting according to claim 1, characterized in that: The air guide pipe (11) is connected to the interior of the fixed box (7), and the center line of the drive shaft (23) and the center line of the filter cartridge (8) are on the same vertical plane.

5. The dust collection and desulfurization device for zinc smelting according to claim 1, characterized in that: The top of the reaction tank (1) is fixedly connected to a reducer (4), the top of the reducer (4) is fixedly connected to a drive motor (5), the output end of the reducer (4) passes through the top of the reaction tank (1) and extends to the inside of the reaction tank (1) and is fixedly connected to a rotating shaft (21), the outside of the rotating shaft (21) is fixedly connected to a stirring rod (20), the bottom end of the rotating shaft (21) is fixedly connected to a connecting plate (14), both sides of the connecting plate (14) are fixedly connected to a group of driving plates (12), and the bottom end of the driving plate (12) is fixedly connected to a rubber scraper (13).

6. The dust collection and desulfurization device for zinc smelting according to claim 5, characterized in that: The rubber scraper (13) is movably connected to the reaction tank (1), and the driving plates (12) on both sides of the connecting plate (14) are symmetrically arranged.

7. The dust collection and desulfurization device for zinc smelting according to claim 1, characterized in that: The bottom end of the reaction tank (1) is fixedly connected to an externally threaded tube (18), the outside of the externally threaded tube (18) is movably connected to a threaded cover (15), the top end of the threaded cover (15) is fixedly connected to a water blocking disk (16), and the outside of the water blocking disk (16) is fixedly connected to a rubber ring (17).

8. The dust collection and desulfurization device for zinc smelting according to claim 7, characterized in that: The rubber ring (17) is movably connected to the external threaded tube (18), and the center line of the threaded cover (15) and the center line of the water blocking disc (16) are on the same vertical plane.

Images