Steelmaking dust removal device convenient for cleaning internal dust

Abstract

The utility model discloses a steelmaking dust removal device convenient for cleaning internal dust, belongs to the technical field of steelmaking dust removal equipment, and is used for cleaning the dust in the dust removal device. According to the technical scheme, an exhaust pipe is installed on the rear portion of the top face of a dust removal box body, an air inlet end plate is connected with the front end of the dust removal box body through a clamping groove, an air inlet pipe and an air pump are installed on the air inlet end plate, a filter screen outer frame is in sliding fit with the inner wall of the dust removal box body, and sliding blocks are arranged at the upper end and the lower end of the filter screen outer frame respectively. The sliding blocks are embedded in sliding grooves in the top face and the bottom face of the dust removal box body, a dust collection box is arranged below the bottom face of the dust removal box body, a motor shaft of the rotating motor is connected with the upper end of the bag type dust remover, the motor shaft is sleeved with a rotating cam, the rotating cam is opposite to the front end of a reciprocating ejector rod, and the rear end of the reciprocating ejector rod is connected with the sliding blocks. And the sliding block is connected with the dust removal box body through a reset spring. According to the dust removal device, dust in the dust removal box body can be removed, dust adhering to the filter screen is prevented from being adhered due to temperature, and the dust removal effect is improved.

Description

Technical Field

[0001] This utility model relates to a steelmaking dust removal device that facilitates the cleaning of internal dust, belonging to the technical field of steelmaking dust removal equipment. Background Technology

[0002] Steelmaking processes generate large amounts of smoke and dust. If these substances are released directly into the atmosphere without treatment, they will cause serious environmental pollution. To avoid harming the environment, steelmaking dust removal is necessary. Steelmaking dust removal refers to the process of removing particulate matter from dust-laden gas during steelmaking production through a series of technical measures and equipment to reduce its emission into the atmosphere. Steelmaking dust removal equipment is required when performing steelmaking dust removal.

[0003] Chinese Patent No. CN117206079A discloses a combined electrostatic precipitator and bag filter for blast furnace steelmaking. This dust collector has a dust-laden gas inlet at the left end of the casing and a cover plate at the right end. Two electrostatic precipitators are arranged vertically at intervals on the left side of the casing's inner cavity. Three cleaning structures are mounted on the two electrostatic precipitators, and a first transmission structure is mounted on the right end of each of the three cleaning structures. A gas guide pipe is fixedly connected to the center of the casing's inner cavity, and a connecting frame is fixedly installed at the right end of the gas guide pipe. Four bag filter structures are mounted on the right end of the connecting frame. A support plate is movably fitted onto the right side of the four bag filter structures, and a second transmission structure is located on the right side of the support plate. Each of the four bag filter structures has a bag-pushing structure installed within it, and the second transmission structure drives and connects the four bag filter structures and the four bag-pushing structures. This equipment improves the efficiency of the electrostatic precipitator and enhances the dust removal effect on the dust collection plates and filter cylinders. However, while this type of dust removal device can remove dust from steelmaking, it lacks a multi-stage dust removal structure, resulting in an inability to guarantee the overall dust removal efficiency. Furthermore, the dust adhering to the filter structure cannot be continuously cleaned, compromising its effectiveness. Over time, due to the high temperature in the steelmaking area, some dust adhering to the filter structure tends to stick together, making subsequent cleaning difficult and affecting practical performance. To address these issues, there is an urgent need for a steelmaking dust removal device that facilitates internal cleaning. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a steelmaking dust removal device that facilitates the cleaning of internal dust. This steelmaking dust removal device can clean the dust inside the dust collector, prevent the dust adhering to the filter structure from sticking when heated, improve the dust removal capacity of the dust removal device, and ensure the actual use effect of the dust removal device.

[0005] The technical solution to the above technical problem is:

[0006] A steelmaking dust removal device for easy cleaning of internal dust includes a dust collection box, a filter frame, a filter, sliding blocks, a dust collection box, a rotary motor, a bag filter, a rotary cam, a reciprocating push rod, and a return spring. The dust collection box is rectangular, with an exhaust pipe installed at the rear of the top surface. An air inlet plate is located at the front of the dust collection box, connected to the front of the dust collection box via a slot. An air inlet pipe and an air pump are installed on the air inlet plate. The filter frame is a vertical rectangular frame, with the filter installed within it. The filter frame is positioned at the front of the dust collection box's internal cavity, with its four sides slidingly fitted against the inner wall of the dust collection box. The upper and lower ends of the filter frame have protruding sliding blocks. The top and bottom surfaces of the dust collection box have grooves running along the length of the box. The filter frame has... The sliding blocks are respectively embedded in the sliding grooves on the top and bottom surfaces of the dust collector. The sliding blocks and sliding grooves are in sliding fit. A dust collection box is fixed below the bottom surface of the dust collector opposite the lower end of the filter screen frame. Dust discharge holes are evenly distributed on the bottom surface of the dust collector opposite the dust collection box. A rotary motor is fixedly installed in the middle of the top surface of the dust collector. The motor shaft of the rotary motor passes through the top surface of the dust collector and is connected to the upper end of the bag filter. The bag filter is placed vertically in the chamber of the dust collector. A rotary cam is fitted on the motor shaft at the upper end of the bag filter. A reciprocating push rod is fixed to the rear part of the sliding block at the upper end of the filter screen frame. The front end of the reciprocating push rod contacts the rotary cam. The rear end of the return spring is connected to the front part of the sliding block at the upper end of the filter screen frame. The front end of the return spring is connected to the rear end face of the air inlet plate of the dust collector.

[0007] The aforementioned steelmaking dust removal device, which facilitates the cleaning of internal dust, has a base, wheels, push rods, and electric lifting rods below the dust removal box. The dust removal box is installed on top of the base, with wheels installed at the four corners of the base's bottom surface and a push rod installed at the rear of the base. Multiple electric lifting rods are fixedly installed between the dust removal box and the base, with the upper ends of the multiple electric lifting rods connected to the bottom surface of the dust removal box, and the lower ends of the multiple electric lifting rods fixed to the upper surface of the base.

[0008] The aforementioned steelmaking dust removal device, which facilitates the cleaning of internal dust, includes a dust-suppressing wet curtain installed inside the dust removal box. The wet curtain is placed vertically, and its perimeter is fixed to the inner wall of the dust removal box. A drain outlet is located on the bottom surface of the dust removal box below the wet curtain, and a drain net is installed on the drain outlet. A water collection box is located below the drain outlet, and its upper end is fixed to the lower surface of the bottom of the dust removal box. A circulating water pipe is fixedly installed on one outer wall of the water collection box, and its other end extends vertically upward and passes through the upper part of the outer wall of the dust removal box. The upper end of the circulating water pipe is connected to the wet curtain, and a circulating water pump is installed on the circulating water pipe.

[0009] The aforementioned steelmaking dust removal device, which facilitates the cleaning of internal dust, has a purification installation groove on the top surface of the dust removal box. The purification installation groove is a long groove, and its length direction is perpendicular to the length direction of the dust removal box. A purification plate is installed inside the dust removal box, and a top plate is attached to the top of the purification plate. The top plate is a rectangular plate that is embedded in the purification installation groove. A handle is installed at the top of the top plate. The front of the purification plate below the top plate is a ceramic filter element, the middle of the purification plate is an activated carbon layer, and the back of the purification plate is a reverse osmosis layer. The ceramic filter element, activated carbon layer, and reverse osmosis layer are connected as one unit.

[0010] The beneficial effects of this utility model are:

[0011] The wheels and push rod of this invention allow the dust collector to be moved to the production site where dust removal is required. The filter screen at the front of the dust collector performs the first filtration, removing large particles of dust from the gas. The outer frame of the filter screen slides within the dust collector via a sliding block. Under the action of a reciprocating push rod and a return spring, the outer frame of the filter screen reciprocates, causing continuous reciprocating vibration, which causes the dust adhering to the filter screen to fall into the dust collection box below. The rotary motor in the middle of the dust collector drives the bag filter to rotate, which can remove even finer particles from within the dust collector. The gas is adsorbed and dusted. The rotating motor shaft drives the rotating cam to rotate, and the rotating cam pushes the reciprocating push rod. The dust-suppressing wet curtain can adsorb dust in the gas and treat even smaller floating dust. The circulating water pipe and circulating water pump can keep the dust-suppressing wet curtain moist, and the dust-suppressing water flows into the water collection box for circulation. The ceramic filter element and activated carbon layer of the purification plate can effectively and finely filter and adsorb the gas. Finally, the purified gas passes through the reverse osmosis layer and is directly discharged through the exhaust pipe of the dust removal box without reverse osmosis, ensuring the gas dust removal effect.

[0012] This utility model is scientifically and rationally designed, with multiple dust removal and dust reduction functions. It can effectively filter steelmaking dust, prevent dust from adhering and affecting the filtration effect of the filter screen, and prevent the adhering dust from softening and sticking due to temperature. It also has a good real-time self-cleaning function, which greatly improves the application effect of dust removal equipment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 yes Figure 1 A schematic diagram of the front-end breakdown;

[0015] Figure 3 This is a structural diagram of a filter screen and a bag filter.

[0016] Figure 4 This is a schematic diagram of the structure of a dust-reducing wet curtain;

[0017] Figure 5 This is a structural diagram of the cleanroom panel;

[0018] Figure 6 yes Figure 2 A magnified view of a portion of the image.

[0019] The following components are marked in the diagram: 1. Dust collector body; 2. Base; 3. Wheels; 4. Push rod; 5. Electric lifting rod; 6. Exhaust pipe; 7. Inlet end plate; 8. Inlet pipe; 9. Filter screen frame; 10. Filter screen; 11. Sliding block; 12. Slide groove; 13. Dust collection box; 14. Dust discharge hole; 15. Rotary motor; 16. Bag dust collector; 17. Rotary cam; 18. Reciprocating top rod; 19. Return spring; 20. Dust-collecting wet curtain; 21. Drainage net; 22. Water collection box; 23. Circulating water pipe; 24. Circulating water pump; 25. Purification installation slot; 26. Purification plate; 27. Top plate; 28. Handle; 29. ​​Ceramic filter element; 30. Activated carbon layer; 31. Reverse osmosis layer. Detailed Implementation

[0020] This utility model consists of a dust removal box 1, a traveling trolley, a filter assembly, a dust collection assembly, a dust suppression assembly, and a purification assembly.

[0021] Figure 1 , 2 The dust collector housing 1 is a rectangular box. An exhaust pipe 6 is installed at the rear top surface of the dust collector housing 1. An air inlet plate 7 is located at the front end of the dust collector housing 1, connected to the front end of the dust collector housing 1 via a slot. An air inlet pipe 8 and an air pump are installed on the air inlet plate 7. The air inlet pipe 8 and the air pump draw dust-containing gas into the dust collector housing 1 for dust removal, while the exhaust pipe 6 discharges clean gas from the dust collector housing 1. When it is necessary to repair the components inside the dust collector housing 1, the air inlet plate 7 can be removed for maintenance.

[0022] Figure 1 , 2 The display shows that the walking trolley consists of a base 2, walking wheels 3, push rod 4, and electric lifting rod 5.

[0023] The dust collector 1 is mounted on top of the base 2. Wheels 3 are installed at the four corners of the base 2's bottom surface, and a push rod 4 is installed at the rear of the base 2. Multiple electric lifting rods 5 are fixedly installed between the dust collector 1 and the base 2. The upper ends of the electric lifting rods 5 are connected to the bottom surface of the dust collector 1, and the lower ends are fixed to the upper surface of the base 2. The wheels 3 and push rods 4 of the trolley can move the dust collector 1 to the production site where dust removal is required, and the electric lifting rods 5 can adjust the height of the dust collector 1.

[0024] Figure 2 , 3The filter assembly includes a filter frame 9, a filter screen 10, a sliding block 11, and a dust collection box 13. The filter assembly can perform the first filtration of the gas entering the dust collection box 1, filtering out some large particles of dust in the gas.

[0025] The filter frame 9 is a vertical rectangular frame. The filter 10 is installed in the filter frame 9, which is placed at the front of the inner cavity of the dust collector 1. The four sides of the filter frame 9 are in sliding fit with the inner wall of the dust collector 1. The purpose of sliding the filter frame 9 is to vibrate the filter 10, causing the dust adhering to the filter 10 to fall off. The filter frame 9 slides by sliding blocks 11. There are protruding sliding blocks 11 at the upper and lower ends of the filter frame 9. Correspondingly, there are grooves 12 on the top and bottom surfaces of the dust collector 1 along the length of the chamber. The sliding blocks 11 at both ends of the filter frame 9 are respectively embedded in the grooves 12 on the top and bottom surfaces of the dust collector 1. The sliding blocks 11 and the grooves 12 are in sliding fit. In order to collect the dust falling from the filter screen 10, a dust collection box 13 is fixed below the bottom surface of the dust collection box 1 opposite to the lower end of the filter screen frame 9. Dust discharge holes 14 are evenly distributed on the bottom surface of the dust collection box 1 opposite to the dust collection box 13, and the dust falls into the dust collection box 13 from the dust discharge holes 14.

[0026] Figure 3 The dust collection assembly includes a rotary motor 15, a bag filter 16, a rotary cam 17, a reciprocating push rod 18, and a return spring 19. The dust collection assembly can adsorb some finer gaseous dust inside the dust collection box 1.

[0027] A rotary motor 15 is fixedly installed above the center of the top surface of the dust collector 1. The motor shaft of the rotary motor 15 passes through the top surface of the dust collector 1 and connects to the upper end of the bag filter 16. The bag filter 16 is placed vertically in the center of the inner cavity of the dust collector 1. The rotary motor 15 can drive the bag filter 16 to rotate, and the bag filter 16 performs dust collection operations.

[0028] Another function of the rotary motor 15 is to drive the filter screen frame 9 and the filter screen 10 to vibrate. Its structure is as follows: a rotary cam 17 is mounted on the motor shaft at the upper end of the bag filter 16; a reciprocating push rod 18 is fixed to the rear part of the sliding block 11 at the upper end of the filter screen frame 9; the front end of the reciprocating push rod 18 is in contact with the rotary cam 17; the rear end of the return spring 19 is connected to the front part of the sliding block 11 at the upper end of the filter screen frame 9; and the front end of the return spring 19 is connected to the rear end face of the air inlet plate 7 of the dust collector 1. During operation, the rotary motor shaft drives the rotary cam 17 to rotate, and the rotary cam 17 pushes the reciprocating push rod 18 to reciprocate. The reciprocating push rod 18 pushes the filter screen outer frame 9 to slide inside the dust collection box 1 through the sliding block 11. The filter screen outer frame 9 reciprocates under the action of the reciprocating push rod 18 and the return spring 19, causing the filter screen 10 to vibrate continuously. This causes the dust adhering to the filter screen 10 to fall into the dust collection box 13 below, thus achieving the purpose of removing the dust adhering to the filter screen 10.

[0029] Figure 4 The dust suppression assembly includes a dust suppression wet curtain 20, a drain net 21, a water collection box 22, a circulating water pipe 23, and a circulating water pump 24. The dust suppression assembly can adsorb dust in the gas and perform dust suppression treatment on even smaller floating dust.

[0030] The dust suppression assembly is installed at the rear of the inner cavity of the dust collector 1, behind the filter assembly. The dust suppression evaporative cooling pad 20 is placed vertically, its periphery fixed to the inner wall of the dust collector 1. A drain outlet is located on the bottom surface of the dust collector 1 at the lower end of the evaporative cooling pad 20, and a drain net 21 is installed on the drain outlet. Below the drain outlet is a water collection box 22, the upper end of which is fixed to the lower surface of the bottom of the dust collector 1. A circulating water pipe 23 is fixedly installed on one outer wall of the water collection box 22, and the other end of the circulating water pipe 23 extends vertically upwards and passes through the upper part of the outer wall of the dust collector 1. The upper end of the circulating water pipe 23 is connected to the dust suppression evaporative cooling pad 20, and a circulating water pump 24 is installed on the circulating water pipe 23. The dust suppression evaporative cooling pad 20 can adsorb dust from the gas inside the dust collector 1. The circulating water pipe 23 and the circulating water pump 24 keep the dust suppression evaporative cooling pad 20 moist, and the dust suppression water flows into the water collection box 22 for circulation.

[0031] Figure 5 The display shows that the purification component consists of a purification plate 26, a top plate 27, and a handle 28. The purification component purifies the gas inside the dust collection box 1 after dust removal and dust reduction.

[0032] The dust collector housing 1 has a purification installation groove 25 on the rear top surface. The purification installation groove 25 is a long groove, and its length is perpendicular to the length of the dust collector housing 1. A vertical purification plate 26 is placed in the rear of the inner cavity of the dust collector housing 1. The top plate 27 is a rectangular plate that is embedded in the purification installation groove 25. A handle 28 is installed on the top end of the top plate 27. Below the top plate 27, the front of the purification plate 26 is a ceramic filter element 29, the middle of the purification plate 26 is an activated carbon layer 30, and the rear of the purification plate 27 is a reverse osmosis layer 31. The ceramic filter element 29, the activated carbon layer 30, and the reverse osmosis layer 31 are connected as one unit. The ceramic filter element 29 and the activated carbon layer 30 of the purification plate 27 can effectively and finely filter and adsorb the gas. The finally purified gas passes through the reverse osmosis layer 31 and is directly discharged through the exhaust pipe 6 of the dust collector housing 1 without reverse osmosis, ensuring the gas dust removal effect. When it is necessary to clean or replace the ceramic filter element 29, activated carbon layer 30 and reverse osmosis layer 31, the purification plate 26 can be pulled out through the handle 28 for quick and convenient processing.

[0033] The usage process of this utility model is as follows:

[0034] The dust collector 1 is moved to the production site where dust removal is required by the trolley, and the height of the dust collector 1 is adjusted by the electric lifting rod 5. The air pump on the air inlet plate 7 of the dust collector 1 is turned on to draw the dust-containing gas in the dust removal area into the dust collector 1 for dust removal.

[0035] The gas entering the dust collector 1 undergoes the first filtration through the filter screen 10 of the filter assembly, which filters out some large particles of dust in the gas.

[0036] The rotary motor 15 of the dust collection component is turned on, which drives the bag filter 16 to rotate synchronously, adsorbing and removing finer dust particles in the gas. While the bag filter 16 is rotating, the rotary motor shaft drives the rotary cam 17 to rotate synchronously. Each rotation of the rotary cam 17 will press the reciprocating push rod 18 once, which pushes the sliding block 11 to move. The sliding block 11 drives the filter screen frame 9 and the filter screen 10 to move forward. Then, as the rotary cam 17 rotates, the sliding block 11 moves backward under the action of the return spring 19, which drives the filter screen frame 9 and the filter screen 10 to move backward. Then, the rotary cam 17 pushes the slider 11 forward again through the reciprocating push rod 18. This process is repeated to achieve continuous vibration of the filter screen frame 9 and the filter screen 10, shaking off the dust adhering to the outside of the filter screen 10. The dust falls into the dust collection box 13 below.

[0037] Turn on the circulating water pump 24 of the dust suppression component. The circulating water pump 24 draws water out of the water collection box 22 and inputs it to the dust suppression wet curtain 20 through the circulating water pipe 23. The dust suppression wet curtain 20 can be kept continuously moist. At the same time, the excess water on the dust suppression wet curtain 20 automatically drips down and is collected back into the water collection box 22, and is then drawn out and sent to the dust suppression wet curtain 20 again. This process is repeated to keep the dust suppression wet curtain 20 continuously moist, so as to suppress some of the smaller floating dust in the gas in the dust removal box 1.

[0038] During the gas dust removal process, the ceramic filter element 29 and activated carbon layer 30 of the purification plate 27 of the purification component can effectively and finely filter and adsorb the gas. Finally, the purified gas will be discharged directly through the exhaust pipe 6 of the dust removal box 1 after passing through the reverse osmosis layer 31, without reverse osmosis, thus ensuring the gas dust removal effect.

Claims

1. A steelmaking dust removal device that facilitates the cleaning of internal dust, characterized in that: It includes a dust collector housing (1), a filter screen frame (9), a filter screen (10), a sliding block (11), a dust collection box (13), a rotary motor (15), a bag filter (16), a rotary cam (17), a reciprocating push rod (18), and a return spring (19). The dust collector housing (1) is a rectangular housing. An exhaust pipe (6) is installed on the rear of the top surface of the dust collector housing (1). The front end of the dust collector housing (1) has an air inlet end plate (7). The air inlet end plate (7) is connected to the front end of the dust collector housing (1) through a slot. An air inlet is installed on the air inlet end plate (7). The filter (8) and air pump are connected. The filter screen frame (9) is a vertical rectangular frame. The filter screen (10) is installed in the filter screen frame (9). The filter screen frame (9) is placed in the front of the inner cavity of the dust collector (1). The four sides of the filter screen frame (9) are in sliding fit with the inner wall of the dust collector (1). The upper and lower ends of the filter screen frame (9) have raised sliding blocks (11). The top and bottom surfaces of the dust collector (1) have grooves (12) along the length of the box. The sliding blocks (11) at both ends of the filter screen frame (9) are embedded in the dust collector. In the sliding grooves (12) on the top and bottom surfaces of the housing (1), the sliding block (11) and the sliding groove (12) are in sliding fit. A dust collection box (13) is fixed below the bottom surface of the dust collection housing (1) opposite to the lower end of the filter screen frame (9). Dust discharge holes (14) are evenly distributed on the bottom surface of the dust collection housing (1) opposite to the dust collection box (13). A rotary motor (15) is fixedly installed above the middle of the top surface of the dust collection housing (1). The motor shaft of the rotary motor (15) passes through the top surface of the dust collection housing (1) and connects to the upper end of the bag filter (16). The dust collector (16) is placed vertically in the middle of the inner cavity of the dust collector box (1). A rotating cam (17) is mounted on the motor shaft at the upper end of the bag dust collector (16). A reciprocating push rod (18) is fixed at the rear of the sliding block (11) at the upper end of the filter screen frame (9). The front end of the reciprocating push rod (18) is in contact with the rotating cam (17). The rear end of the return spring (19) is connected to the front of the sliding block (11) at the upper end of the filter screen frame (9). The front end of the return spring (19) is connected to the rear end face of the air inlet plate (7) of the dust collector box 1 ().

2. The steelmaking dust removal device for easy cleaning of internal dust according to claim 1, characterized in that: The dust collector (1) has a base (2), wheels (3), push rods (4), and electric lifting rods (5) below it. The dust collector (1) is installed on the base (2). Wheels (3) are installed at the four corners of the bottom surface of the base (2). Push rods (4) are installed at the rear of the base (2). Multiple electric lifting rods (5) are fixedly installed between the dust collector (1) and the base (2). The upper ends of the multiple electric lifting rods (5) are connected to the bottom surface of the dust collector (1) respectively, and the lower ends of the multiple electric lifting rods (5) are fixed to the upper surface of the base (2).

3. The steelmaking dust removal device for easy cleaning of internal dust according to claim 1, characterized in that: A dust-reducing wet curtain (20) is installed at the rear of the inner cavity of the dust removal box (1). The dust-reducing wet curtain (20) is placed vertically and its periphery is fixed to the inner wall of the dust removal box (1). There is a drain outlet on the bottom surface of the dust removal box (1) at the lower end of the dust-reducing wet curtain (20). A drain net (21) is installed on the drain outlet. There is a water collection box (22) below the drain outlet. The upper end of the water collection box (22) is fixed to the lower surface of the bottom of the dust removal box (1). A circulating water pipe (23) is fixedly installed on one side of the outer wall of the water collection box (22). The other end of the circulating water pipe (23) is vertically upward and passes through the upper part of the outer wall of the dust removal box (1). The upper end of the circulating water pipe (23) is connected to the dust-reducing wet curtain (20). A circulating water pump (24) is installed on the circulating water pipe (23).

4. The steelmaking dust removal device for easy cleaning of internal dust according to claim 1, characterized in that: The dust collector (1) has a purification installation groove (25) at the rear of its top surface. The purification installation groove (25) is a long groove, and the length direction of the purification installation groove (25) is perpendicular to the length direction of the dust collector (1). The dust collector (1) has a vertically placed purification plate (26) at the rear of its inner cavity. The purification plate (26) has a top plate (27) at its upper end. The top plate (27) is a rectangular plate and is embedded in the purification installation groove (25). A handle (28) is installed at the upper end of the top plate (27). The front of the purification plate (26) below the top plate (27) is a ceramic filter element (29), the middle of the purification plate (26) is an activated carbon layer (30), and the back of the purification plate (26) is a reverse osmosis layer (31). The ceramic filter element (29), the activated carbon layer (30), and the reverse osmosis layer (31) are connected as one unit.

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