Acid-making and dust-removing device for lead smelting

Abstract

The utility model relates to the technical field of lead smelting acid making, and discloses a lead smelting acid making dust removal device which comprises an upper box body, a lower box body is arranged at the lower end of the upper box body, an air inlet is formed in the upper end of the upper box body, an air outlet is formed in the side wall of the lower box body, and a waste material pipe is arranged at the lower end of the lower box body. Four supporting legs are arranged at the lower end of the lower box body and are symmetrically mounted on the outer side wall of the lower box body, according to the technical scheme, large-particle impurities in flue gas are removed by arranging the wire mesh mist eliminator, and tiny impurities are filtered by arranging the cloth bag fine filter, so that the standard of producing sulfuric acid for storage batteries is met; the structures are matched with one another, time is saved, and efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of lead smelting acid production, in particular to a lead smelting acid production dust removal device. Background Art

[0002] The flue gas from lead smelting contains a lot of impurities, which are washed and cooled through the purification process, absorbed by the drying tower, and then converted into sulfur trioxide flue gas. The iron content of the finished acid obtained by absorbing sulfur trioxide flue gas with concentrated sulfuric acid is 0.001%-0.003%, and the transparency is poor, which does not meet the standards of sulfuric acid for batteries.

[0003] The patent document with the published announcement number CN103673646A discloses a high-humidity regenerated lead smelting tail gas dehumidification and dust removal device: comprising a smelting furnace, a condenser and a bag dust collector, the smelting furnace is provided with a tail gas port, the condenser is provided with an air inlet, an air outlet and a liquid outlet, the bag dust collector is provided with a dust removal air inlet and a dust removal air outlet, the air inlet is connected to the tail gas port, and the air outlet is connected to the dust removal air inlet. The invention has a simple structure and is easy to use. A bag dust collector can be used, and the dust removal effect is good.

[0004] After the above-mentioned device removes dust from the flue gas, most of the flue gas does not meet the requirements and cannot be used to produce more efficient sulfuric acid for batteries. Therefore, a lead smelting acid dust removal device is needed. Utility Model Content

[0005] The utility model aims to provide a lead smelting acid dust removal device to solve the problems raised in the background technology.

[0006] An embodiment of the present application provides a lead smelting acid dust removal device, comprising an upper box body, a lower box body is arranged at the lower end of the upper box body, an air inlet is arranged at the upper end of the upper box body, an air outlet is arranged on the side wall of the lower box body, a waste pipe is arranged at the lower end of the lower box body, and a support leg is arranged at the lower end of the lower box body, wherein a total of four support legs are arranged and symmetrically installed on the outer side wall of the lower box body.

[0007] In this technical solution, smoke is added into the device from the air inlet, and the smoke passes through the wire mesh foam catcher, which is used to remove large particles of impurities in the smoke. Then, the smoke entering the device will drive the fan blades to rotate, thereby driving the rotating rod connected under the fan blades to rotate, and the rotation of the rotating rod drives the rotating disk to rotate, thereby driving the connecting rod to rotate, thereby driving the gear to rotate around the rotating disk. At the same time, the smoke passing through the wire mesh foam catcher is filtered by the first filter and then enters the lower box. The smoke filtered by the first filter is then filtered through the second filter. After the flue gas reaches the fixed disk, it passes through the through slots on the fixed disk and the bag fine filter to filter out tiny impurities to meet the standard for producing sulfuric acid for batteries. When the rotating disk rotates, it will drive the cleaning plate to move, so that the cleaning plate can clean the waste on the bottom plate of the working tank. When the gear rotates around the rotating disk, the gear block meshing with it will cause it to rotate, thereby driving the vertical rod on it to rotate, thereby driving the cleaning brush to rotate to clean the second filter, and then the filtered and dust-removed flue gas is discharged through the outlet, and the waste is discharged after opening the control valve on the waste pipe.

[0008] Optionally, an inner cavity is opened inside the upper box body, a wire mesh foam catcher is arranged on the side wall of the inner cavity of the upper box body, a first filter is arranged on the inner side wall of the upper box body below the wire mesh foam catcher, a rotating rod is rotatably installed on the bottom of the lower box body, a fan blade is fixedly installed on the rotating rod, and the fan blade is arranged between the wire mesh foam catcher and the first filter.

[0009] By adopting the above technical solution, the wire mesh foam collector is used to remove large particle impurities in the flue gas, and then the flue gas entering the device will drive the fan blades to rotate, thereby driving the rotating rod connected under the fan blades to rotate, and at the same time, the flue gas passing through the wire mesh foam collector is filtered by the first filter.

[0010] Optionally, an inner cavity is also opened inside the lower box body, a second filter is arranged on the side wall of the inner cavity of the lower box body, a fixed plate is arranged on the inner side wall of the lower box body below the second filter, a working groove is opened on the fixed plate, and a plurality of tooth blocks are fixedly installed on the side wall of the working groove.

[0011] By adopting the above technical solution, the smoke filtered by the first filter is then filtered by the second filter.

[0012] Optionally, a cloth bag fine filter is provided at the lower end of the fixed plate, and a total of four cloth bag fine filters are provided, and the interior of the cloth bag fine filter is a cloth bag with a dragon frame.

[0013] By adopting the above technical solution, after the flue gas reaches the fixed disk, it passes through the through slots on the fixed disk and is filtered by the bag fine filter to filter out tiny impurities, thereby reaching the standard for producing sulfuric acid for batteries.

[0014] Optionally, a rotating cleaning mechanism is provided in the working groove on the fixed disk, and the rotating cleaning mechanism includes a rotating disk, a connecting rod is fixedly installed on the rotating disk, a gear is rotatably installed on the other end of the connecting rod, a vertical rod is fixedly installed on the gear, a cleaning brush is fixedly installed on the other end of the vertical rod, and the cleaning brush is closely attached to the second filter screen.

[0015] By adopting the above technical solution, the rotation of the rotating rod drives the rotating disk to rotate, thereby driving the connecting rod to rotate, and thus driving the gear to rotate around the rotating disk.

[0016] Optionally, a cleaning plate is fixedly mounted on the side wall of the rotating disk, and the cleaning plate is closely attached to the bottom plate of the working tank.

[0017] By adopting the above technical solution, when the rotating disk rotates, the cleaning plate will be driven to move, so that the cleaning plate can clean the waste on the bottom plate of the working tank.

[0018] Optionally, the fixing plate is provided with through slots, and there are four through slots in total, corresponding to the positions of the bag fine filter.

[0019] By adopting the above technical solution, the smoke can easily enter the bag fine filter, and the waste scraped by the cleaning plate can also be discharged through the through groove and then through the waste pipe.

[0020] Optionally, the gear and the gear block are meshed with each other.

[0021] By adopting the above technical solution, when the gear rotates around the rotating disk, the tooth block meshing with it will cause it to rotate, thereby driving the vertical rod thereon to rotate, thereby driving the cleaning brush to rotate to clean the second filter screen.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application removes large particle impurities in the flue gas by setting a wire mesh foam collector, and filters tiny impurities by setting a bag fine filter, thereby meeting the standards for producing sulfuric acid for batteries. The various structures cooperate with each other, saving time and being more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 This is a schematic diagram of the structure of a lead smelting acid dust removal device according to the utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of an upper box in a lead smelting acid-making dust removal device of the utility model;

[0027] Figure 3 This is a schematic diagram of the internal structure of the lower box in a lead smelting acid dust removal device of the utility model;

[0028] Figure 4 The utility model is a schematic diagram of the structure of a rotating cleaning mechanism in a lead smelting acid dust removal device.

[0029] In the figure: 1. upper box body; 2. lower box body; 3. air inlet; 4. air outlet; 5. waste pipe; 6. support foot; 7. wire mesh foam catcher; 8. fan blade; 9. first filter screen; 10. rotating rod; 11. second filter screen; 12. fixed plate; 13. rotating cleaning mechanism; 14. gear block; 15. through groove; 16. bag fine filter; 17. rotating plate; 18. connecting rod; 19. vertical rod; 20. gear; 21. cleaning brush; 22. cleaning plate. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: a lead smelting acid dust removal device, comprising an upper box body 1, a lower box body 2 is arranged at the lower end of the upper box body 1, an air inlet 3 is arranged at the upper end of the upper box body 1, an air outlet 4 is arranged on the side wall of the lower box body 2, a waste pipe 5 is arranged at the lower end of the lower box body 2, and a support leg 6 is arranged at the lower end of the lower box body 2, and a total of four support legs 6 are arranged, and are symmetrically installed on the outer side wall of the lower box body 2.

[0031] In the technical solution of the utility model, if Figure 2 As shown, an inner cavity is opened inside the upper box body 1, and a wire mesh foam catcher 7 is arranged on the side wall of the inner cavity of the upper box body 1, and a first filter screen 9 is arranged on the inner wall of the upper box body 1 below the wire mesh foam catcher 7, and a rotating rod 10 is rotatably installed at the bottom of the lower box body 2, and a fan blade 8 is fixedly installed on the rotating rod 10, and the fan blade 8 is arranged between the wire mesh foam catcher 7 and the first filter screen 9. The wire mesh foam catcher 7 is used to remove large particles of impurities in the smoke, and then the smoke entering the device will drive the fan blade 8 to rotate, thereby driving the rotating rod 10 connected below the fan blade 8 to rotate, and at the same time, the smoke passing through the wire mesh foam catcher 7 is filtered by the first filter screen 9.

[0032] In the technical solution of the utility model, if Figure 3 As shown, an inner cavity is also provided inside the lower box body 2, and a second filter screen 11 is provided on the side wall of the inner cavity of the lower box body 2. A fixed plate 12 is provided on the inner wall of the lower box body 2 below the second filter screen 11, and a working groove is provided on the fixed plate 12. A plurality of tooth blocks 14 are fixedly installed on the side wall of the working groove. The smoke filtered by the first filter screen 9 is then filtered by the second filter screen 11.

[0033] In the technical solution of the utility model, if Figure 3 As shown, a bag filter 16 is provided at the lower end of the fixed disk 12, and there are four bag filters 16 in total. The bag filter 16 contains a bag with a skeleton. After the flue gas reaches the fixed disk 12, it passes through the through slots 15 on the fixed disk 12 and filters tiny impurities through the bag filter 16 to meet the standard for producing sulfuric acid for batteries.

[0034] In the technical solution of the utility model, if Figure 4 As shown, a rotating cleaning mechanism 13 is provided in the working groove on the fixed disk 12, and the rotating cleaning mechanism 13 includes a rotating disk 17, a connecting rod 18 is fixedly installed on the rotating disk 17, and a gear 20 is rotatably installed on the other end of the connecting rod 18, a vertical rod 19 is fixedly installed on the gear 20, and a cleaning brush 21 is fixedly installed on the other end of the vertical rod 19, and the cleaning brush 21 is closely attached to the second filter screen 11. The rotation of the rotating rod 10 drives the rotating disk 17 to rotate, thereby driving the connecting rod 18 to rotate, thereby driving the gear 20 to rotate around the rotating disk 17.

[0035] In the technical solution of the utility model, if Figure 4 As shown, a cleaning plate 22 is fixedly mounted on the side wall of the rotating disk 17, and the cleaning plate 22 is close to the bottom plate of the working tank. When the rotating disk 17 rotates, the cleaning plate 22 is driven to move, so that the cleaning plate 22 can clean the waste on the bottom plate of the working tank.

[0036] In the technical solution of the utility model, if Figure 4 As shown, the fixed plate 12 is provided with through slots 15, and there are four through slots 15 in total, which correspond to the positions of the bag filter 16, so that the smoke can enter the bag filter 16. At the same time, the waste scraped by the cleaning plate 22 can also be discharged through the through slots 15 and then through the waste pipe 5.

[0037] In the technical solution of the utility model, if Figure 3 As shown, the gear 20 and the tooth block 14 mesh with each other. When the gear 20 rotates around the rotating disk 17, the tooth block 14 meshing therewith will cause it to rotate, thereby driving the vertical rod 19 thereon to rotate, thereby driving the cleaning brush 21 to rotate to clean the second filter screen 11.

[0038] In this technical solution, smoke is added into the device from the air inlet 3, and the smoke passes through the wire mesh foam catcher 7, which is used to remove large particles of impurities in the smoke. Then, the smoke entering the device will drive the fan blades 8 to rotate, thereby driving the rotating rod 10 connected below the fan blades 8 to rotate. The rotation of the rotating rod 10 drives the rotating disk 17 to rotate, thereby driving the connecting rod 18 to rotate, thereby driving the gear 20 to rotate around the rotating disk 17. At the same time, the smoke passing through the wire mesh foam catcher 7 is filtered by the first filter screen 9 and then enters the lower box body 2. The smoke filtered by the first filter screen 9 is filtered by the second filter screen 11. After the flue gas reaches the fixed disk 12, it passes through the through groove 15 on the fixed disk 12 and the bag fine filter 16 to filter out tiny impurities to meet the standard for producing sulfuric acid for batteries. When the rotating disk 17 rotates, it will drive the cleaning plate 22 to move, so that the cleaning plate 22 can clean the waste on the bottom plate of the working tank. When the gear 20 rotates around the rotating disk 17, the tooth block 14 engaged with it will cause it to rotate, thereby driving the vertical rod 19 thereon to rotate, thereby driving the cleaning brush 21 to rotate, to clean the second filter screen 11, and then the filtered and dust-removed flue gas is discharged through the outlet 4, and the waste is discharged after opening the control valve on the waste pipe 5.

Claims

1. A lead smelting acid dust removal device, characterized in that: The invention comprises an upper box body (1), a lower box body (2) is arranged at the lower end of the upper box body (1), an air inlet (3) is arranged at the upper end of the upper box body (1), an air outlet (4) is arranged on the side wall of the lower box body (2), a waste pipe (5) is arranged at the lower end of the lower box body (2), a support foot (6) is arranged at the lower end of the lower box body (2), a total of four support feet (6) are arranged and are symmetrically mounted on the outer side wall of the lower box body (2), an inner cavity is opened inside the upper box body (1), a wire mesh foam catcher (7) is arranged on the side wall of the inner cavity of the upper box body (1), a first filter screen (9) is arranged on the inner side wall of the upper box body (1) below the wire mesh foam catcher (7), a rotating rod (10) is rotatably mounted on the bottom of the lower box body (2), a fan blade (8) is fixedly mounted on the rotating rod (10), and the fan blade (8) is arranged between the wire mesh foam catcher (7) and the first filter screen (9).

2. A lead smelting acid dust removal device according to claim 1, characterized in that: The lower box body (2) also has an inner cavity, a second filter screen (11) is arranged on the side wall of the inner cavity of the lower box body (2), a fixed plate (12) is arranged on the inner side wall of the lower box body (2) below the second filter screen (11), a working groove is arranged on the fixed plate (12), and a plurality of tooth blocks (14) are fixedly mounted on the side wall of the working groove.

3. A lead smelting acid dust removal device according to claim 2, characterized in that: A cloth bag fine filter (16) is arranged at the lower end of the fixed plate (12), and a total of four cloth bag fine filters (16) are arranged, wherein the interior of the cloth bag fine filter (16) is a cloth bag that is sleeved on a dragon frame.

4. A lead smelting acid dust removal device according to claim 3, characterized in that: A rotating cleaning mechanism (13) is arranged in the working groove on the fixed disk (12), and the rotating cleaning mechanism (13) comprises a rotating disk (17), a connecting rod (18) is fixedly mounted on the rotating disk (17), a gear (20) is rotatably mounted on the other end of the connecting rod (18), a vertical rod (19) is fixedly mounted on the gear (20), and a cleaning brush (21) is fixedly mounted on the other end of the vertical rod (19), and the cleaning brush (21) is closely attached to the second filter screen (11).

5. A lead smelting acid dust removal device according to claim 4, characterized in that: A cleaning plate (22) is fixedly mounted on the side wall of the rotating disk (17), and the cleaning plate (22) is in close contact with the bottom plate of the working tank.

6. A lead smelting acid dust removal device according to claim 5, characterized in that: The fixing plate (12) is provided with through slots (15), and there are four through slots (15) in total, which correspond to the positions of the bag fine filters (16).

7. A lead smelting acid dust removal device according to claim 5, characterized in that: The gear (20) and the gear block (14) mesh with each other.

Images