A cloth bag dust removal device for dust removal
Patent Information
- Application Number
- CN202522584334.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-05
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-12-05
AI Technical Summary
In existing baghouse dust collectors, impurities accumulate on the inner wall of the ash hopper, leading to a decrease in dust removal efficiency and easy agglomeration, which affects production stability and environmental protection.
By employing a combination of ash removal bags, fixing strips, a first cylinder, and a second cylinder, the ash removal bags are folded and vibrated to remove dust from the inner wall. A dust suppression mechanism consisting of a water pump, duct, and atomizing nozzles is used to suppress dust diffusion.
It effectively removes impurities from the inner wall of the ash hopper, prevents clumping, improves dust removal efficiency, and ensures production stability and environmental protection.
Smart Images
Figure CN224925794U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waste gas treatment technology, and more specifically, to a bag filter dust collector. Background Technology
[0002] Steelmaking and ironmaking generate large amounts of waste gas because the production relies on high-temperature reactions: during ironmaking, coke combustion and iron ore decomposition occur; during steelmaking, oxygen blowing for decarburization and reaction with slagging agents both release significant amounts of gas. This waste gas contains gaseous pollutants such as CO2 and CO, but more importantly, it contains large amounts of dust, such as iron ore powder, coke particles, and slagging agent debris. Using baghouse dust collectors is essential, as they can efficiently capture this dust, preventing its emission into the atmosphere and thus preventing air pollution and harm to human health. Simultaneously, the recovered dust can be reused in production, reducing raw material waste. Furthermore, it reduces wear and tear on production equipment caused by dust, ensuring stable production operation and meeting the dual requirements of environmental protection and production efficiency.
[0003] In existing baghouse dust collectors, the impurities filtered by the baghouse dust collector fall into the ash hopper to await removal. However, often the impurities accumulate on the inner wall of the ash hopper. There is a certain friction between the impurities and the inner wall of the ash hopper, or the surface of the impurities may be covered with moisture. Moisture may cause the impurities to clump on the inner wall of the ash hopper, preventing the impurities from sliding down the inner wall of the ash hopper. This results in the accumulation of impurities inside the ash hopper, affecting the dust removal efficiency. In view of this, this utility model proposes a baghouse dust collector device for dust removal. Utility Model Content
[0004] This utility model addresses the technical problems existing in the prior art by providing a bag filter dust collector to solve the problems of existing solutions.
[0005] To achieve the above objectives, this utility model provides a baghouse dust collector, including a dust collector body. A dust hopper is fixedly connected to the bottom of the dust collector body. A dust discharge mechanism is provided on the inner wall of the dust hopper. The dust discharge mechanism has two driving mechanisms symmetrically distributed on both sides of the dust discharge mechanism and connected to the dust collector body. A dust suppression mechanism is provided at the output end of the dust hopper. Wherein: The ash unloading mechanism includes an ash unloading bag, the outlet of which is fixedly connected to the bottom of the inner wall of the ash hopper. The ash unloading bag is fixedly connected to two fixing strips, which are symmetrically distributed on both sides of the top of the ash unloading bag. The surface of the fixing strips abuts against the inner wall of the dust collector, and the fixing strips are connected to the drive mechanism.
[0006] The beneficial effects of this utility model are: 1) In this dust removal bag filter, through the cooperation of the ash removal bag, the fixing strip, the first cylinder and the second cylinder, when the two first cylinders are started, the output end of the first cylinder extends, which drives the two fixing strips to approach and abut against each other, causing the ash removal bag to fold and gather up. The tilt angle of the ash removal bag changes continuously, causing the dust attached to the inner wall of the ash removal bag to fall down, and the ash removal bag wrinkles, so that the dust attached to the inner wall of the ash removal bag leaves the ash removal bag. Then the second cylinder is started, and the output end of the second cylinder repeatedly extends and retracts, which drives the ash removal bag to vibrate repeatedly, shaking off the impurities attached to the inner wall of the ash removal bag, so that most of the impurities leave the ash removal bag, achieving the purpose of cleaning impurities, avoiding dust and other impurities from adhering to the inner wall of the ash hopper and forming clumps, thus improving the dust removal efficiency.
[0007] 2) In this dust removal bag filter, through the cooperation of the water pump, the duct and the atomizing nozzle, when the water pump is started, the water pump pumps clean water into the duct. The clean water flows through the duct and enters the atomizing nozzle. The atomizing nozzle atomizes the clean water into water mist. The water mist diffuses from the fixed cover into the drawer and comes into contact with the dust that is raised, thus achieving the dust suppression effect.
[0008] Based on the above technical solution, the present invention can be further improved as follows: As a further improvement to this technical solution, the two drive mechanisms have the same structure. The drive mechanism includes a grooved plate, one end of which is fixedly connected to one side of the dust collector body. A slider is slidably connected to the inner wall of the grooved plate. An installation block is fixedly connected to the top of the slider. A first cylinder is fixedly installed on one side of the installation block. The output end of the first cylinder passes through the installation block and the dust collector body and is fixedly connected to one side of the fixing strip. The two installation blocks are fixedly connected by a connecting frame.
[0009] The beneficial effect of adopting the above-mentioned further solution is that, by setting the first cylinder, when the output end of the first cylinder extends, it drives the fixing bar to move towards the direction close to the axis of the dust collector body, so that the two fixing bars move closer to each other, causing the ash bag to fold and gather up. During the folding and gathering process, on the one hand, the tilt angle of the ash bag changes continuously, causing the dust attached to the inner wall of the ash bag to fall down. On the other hand, the ash bag wrinkles, causing the dust attached to the inner wall of the ash bag to leave the ash bag, thereby achieving the purpose of thoroughly removing the dust inside the ash hopper.
[0010] As a further improvement to this technical solution, a connecting block is fixedly connected to one end of the bottom of the grooved plate, a second cylinder is fixedly installed on one side of the connecting block, the output end of the second cylinder passes through the connecting block and is fixedly connected to a connecting strip, and a slot is opened at the other end of the bottom of the grooved plate, the top end of the connecting strip passes through the slot and is fixedly connected to the bottom of the slider.
[0011] The beneficial effect of adopting the above-mentioned further solution is that, through the cooperation of the second cylinder, the connecting bar and the slider, when the output end of the second cylinder repeatedly extends and retracts, it drives the connecting bar and the slider to move back and forth at a high frequency, which in turn drives the two first cylinders to move back and forth, which in turn drives the fixed bar to move back and forth, which in turn drives the ash bag to vibrate repeatedly, thereby achieving the purpose of further removing the dust attached to the surface of the ash bag.
[0012] As a further improvement to this technical solution, the dust suppression mechanism includes an equipment box, with a material discharge channel fixedly connected to the center of the top of the equipment box, the top of the material discharge channel being fixedly connected to the output end of the ash hopper, and a drawer slidably connected to one side of the equipment box.
[0013] The beneficial effect of adopting the above-mentioned further solution is that, through the setting of the material discharge channel, equipment box and drawer, when the output end of the ash hopper is opened, the dust in the ash discharge bag leaves the ash discharge bag and flows out from the output end of the ash hopper, and passes through the material discharge channel into the drawer for temporary storage, thereby achieving the purpose of removing the dust inside the ash hopper.
[0014] As a further improvement to this technical solution, the dust suppression mechanism also includes a water pump. The bottom of the water pump is fixedly connected to one side of the top of the equipment box. A conduit is fixedly connected to the output end of the water pump. An atomizing nozzle is fixedly connected to one end of the conduit. A fixed cover is fixedly connected to the surface of the conduit. A through hole is opened at one end of the top of the equipment box. The bottom of the fixed cover is fixedly connected to the through hole, and the atomizing nozzle is located above the through hole.
[0015] The beneficial effect of adopting the above-mentioned further solution is that, through the setting of water pump, conduit, atomizing nozzle and fixed cover, when the water pump is running, the water pump pumps clean water into the conduit, the clean water flows through the conduit into the atomizing nozzle, the atomizing nozzle atomizes the clean water into water mist, the water mist diffuses from the fixed cover into the drawer, and comes into contact with the dust that is raised, thereby achieving the dust suppression effect.
[0016] As a further improvement to this technical solution, an installation groove is provided on the outer wall of the ash hopper, and a cover plate is hinged to one end of the installation groove via a hinge seat. A stop block is rotatably connected at the connection between the ash hopper and the cover plate, and one side of the stop block contacts one side of the cover plate.
[0017] The beneficial effect of adopting the above-mentioned further solution is that, by setting up the stop and the cover plate, when the stop is rotated, the stop no longer contacts the cover plate, and the cover plate can be opened, thereby achieving the purpose of maintaining the inside of the ash hopper.
[0018] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description
[0019] Figure 1This is a schematic diagram of the external first-view structure of this utility model; Figure 2 This is a schematic diagram of the external second-view structure of this utility model; Figure 3 This is a partial structural cross-sectional view of the present invention; Figure 4 This is a schematic diagram of the connection structure between the ash unloading mechanism and the drive mechanism of this utility model; Figure 5 This is a schematic diagram of the external structure of the dust suppression mechanism of this utility model; Figure 6 This is a cross-sectional view of the dust suppression mechanism of this utility model.
[0020] The meanings of the labels in the diagram are as follows: 1. Dust collector body; 2. Ash hopper; 3. Ash unloading mechanism; 31. Ash unloading bag; 32. Fixing strip; 4. Drive mechanism; 41. Channel plate; 42. Slider; 43. Mounting block; 44. First cylinder; 5. Dust suppression mechanism; 51. Equipment box; 52. Material discharge channel; 53. Drawer; 54. Water pump; 55. Pipe; 56. Atomizing nozzle; 57. Fixing cover; 58. Through hole; 6. Connecting frame; 7. Connecting block; 8. Second cylinder; 9. Connecting strip; 10. Slot; 11. Mounting slot; 12. Hinge seat; 13. Cover plate; 14. Stop block. Detailed Implementation
[0021] 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.
[0022] Please see Figures 1-6 As shown, this embodiment provides a baghouse dust collector, including a dust collector body 1. A dust hopper 2 is fixedly connected to the bottom of the dust collector body 1. The dust collector body 1 includes a pulse system and multiple filter bags. Exhaust gas enters the dust collector body 1 and is filtered by the filter bags. The pulse system intermittently emits pulsed airflow, which sprays onto the filter bags, causing dust and other impurities on the filter bags to leave the filter bags and fall into the dust hopper 2. A dust discharge mechanism 3 is provided on the inner wall of the dust hopper 2. The dust discharge mechanism 3 has two drive mechanisms 4, which are symmetrically distributed on both sides of the dust discharge mechanism 3 and connected to the dust collector body 1. A dust suppression mechanism 5 is provided at the output end of the dust hopper 2. The ash unloading mechanism 3 includes an ash unloading bag 31, which is roughly the same shape as the ash hopper 2. The outlet of the ash unloading bag 31 is fixedly connected to the bottom of the inner wall of the ash hopper 2. The connection method is an adhesive or other installation method, which facilitates the disassembly and replacement of the ash unloading bag 31. The ash unloading bag 31 is fixedly connected to two fixing strips 32. The connection method is an adhesive or other installation method, which facilitates the disassembly and replacement of the ash unloading bag 31. The two fixing strips 32 are symmetrically distributed on both sides of the top of the ash unloading bag 31. The surface of the fixing strips 32 abuts against the inner wall of the dust collector body 1, and the fixing strips 32 are connected to the drive mechanism 4.
[0023] Furthermore, the two drive mechanisms 4 have the same structure. Each drive mechanism 4 includes a channel plate 41, one end of which is fixedly connected to one side of the dust collector body 1. A slider 42 is slidably connected to the inner wall of the channel plate 41. A mounting block 43 is fixedly connected to the top of the slider 42. A first cylinder 44 is fixedly mounted on one side of the mounting block 43. The first cylinder 44 is a model SC40. The output end of the first cylinder 44 passes through the mounting block 43 and the dust collector body 1 and is fixedly connected to one side of the fixing strip 32. The two mounting blocks 43 are fixedly connected by a connecting bracket 6. The first cylinder 44 is configured such that when the output end of the first cylinder 44 extends, it drives the fixing bar 32 to move towards the axis of the dust collector body 1, so that the two fixing bars 32 move closer to each other, causing the ash bag 31 to fold and gather up. During the folding and gathering process, on the one hand, the tilt angle of the ash bag 31 changes continuously, causing the dust attached to the inner wall of the ash bag 31 to fall down. On the other hand, the ash bag 31 wrinkles, causing the dust attached to the inner wall of the ash bag 31 to leave the ash bag 31, thereby achieving the purpose of thoroughly removing the dust inside the ash hopper 2.
[0024] Furthermore, a connecting block 7 is fixedly connected to one end of the bottom of one of the channel plates 41, and a second cylinder 8 is fixedly installed on one side of the connecting block 7. The second cylinder 8 is also of model SC40. The output end of the second cylinder 8 passes through the connecting block 7 and is fixedly connected to a connecting strip 9. A slot 10 is opened at the other end of the bottom of the channel plate 41. The top of the connecting strip 9 passes through the slot 10 and is fixedly connected to the bottom of the slider 42. Through the cooperation of the second cylinder 8, the connecting strip 9 and the slider 42, when the output end of the second cylinder 8 repeatedly extends and retracts, it drives the connecting strip 9 and the slider 42 to move back and forth at a high frequency, thereby driving the two first cylinders 44 to move back and forth, thereby driving the fixed strip 32 to move back and forth, thereby driving the ash bag 31 to vibrate repeatedly, so as to further remove the dust attached to the surface of the ash bag 31.
[0025] Furthermore, the dust suppression mechanism 5 includes an equipment box 51, with a material discharge channel 52 fixedly connected to the top center of the equipment box 51. The top of the material discharge channel 52 is fixedly connected to the output end of the ash hopper 2. A drawer 53 is slidably connected to one side of the equipment box 51. Through the arrangement of the material discharge channel 52, the equipment box 51, and the drawer 53, when the output end of the ash hopper 2 is opened, the dust in the ash bag 31 leaves the ash bag 31 and flows out from the output end of the ash hopper 2, and passes through the material discharge channel 52 into the drawer 53 for temporary storage, thereby achieving the purpose of removing the dust inside the ash hopper 2.
[0026] Furthermore, the dust suppression mechanism 5 also includes a water pump 54, wherein the water pump 54 is model 25ZX3.2-20. The bottom of the water pump 54 is fixedly connected to one side of the top of the equipment box 51. The output end of the water pump 54 is fixedly connected to a conduit 55. One end of the conduit 55 is fixedly connected to an atomizing nozzle 56. A fixed cover 57 is fixedly connected to the surface of the conduit 55. A through hole 58 is opened at one end of the top of the equipment box 51. The bottom of the fixed cover 57 is fixedly connected to the through hole 58, and the atomizing nozzle 56 is set above the through hole 58. Through the arrangement of the water pump 54, the conduit 55, the atomizing nozzle 56 and the fixed cover 57, when the water pump 54 is running, the water pump 54 pumps clean water into the conduit 55. The clean water flows through the conduit 55 into the atomizing nozzle 56. The atomizing nozzle 56 atomizes the clean water to form a water mist. The water mist diffuses from the fixed cover 57 into the drawer 53 and comes into contact with the dust that is raised, thereby achieving the dust suppression effect.
[0027] Furthermore, an installation groove 11 is provided on the outer wall of the ash hopper 2. One end of the installation groove 11 is hinged to a cover plate 13 via a hinge seat 12. A stop block 14 is rotatably connected at the connection between the ash hopper 2 and the cover plate 13. One side of the stop block 14 contacts one side of the cover plate 13. With the setting of the stop block 14 and the cover plate 13, when the stop block 14 is rotated, the stop block 14 no longer contacts the cover plate 13, and the cover plate 13 can be opened to achieve the purpose of maintaining the inside of the ash hopper 2.
[0028] In summary, the working principle of this solution is as follows: When this dust removal device is needed to filter and clean the waste gas generated from ironmaking or steelmaking, the waste gas enters the dust collector 1 through the inlet and flows upwards, being filtered by the filter bags. The filtered waste gas is then discharged from the outlet of the dust collector 1. The pulse system intermittently emits pulse airflow, which sprays onto the filter bags, causing dust and other impurities to detach from the filter bags. This process cleans the dust and other impurities in the ash hopper 2. The specific method is as follows: After dust and other impurities leave the filter bag, they fall downwards, with most landing in the ash discharge bag 31. Some of these impurities slide down the inner wall of the ash discharge bag 31 and accumulate at the output end of the ash hopper 2, awaiting removal. Other impurities may adhere to the inner wall of the ash discharge bag 31, requiring intermittent cleaning. The dust collector 1 is periodically shut down, the output end of the ash hopper 2 is opened, allowing some of the accumulated impurities inside the ash hopper 2 to slide down into the drawer 53. The output end of the ash hopper 2 is then closed. Next, the first cylinder 44 is activated, extending its output end and moving the fixing bars 32 away from the axis of the dust collector 1. This brings the two fixing bars 32 closer together, causing the ash discharge bag 31 to fold and retract. During this folding and retraction process, the tilt angle of the ash discharge bag 31 continuously changes, causing the dust adhering to the inner wall of the ash discharge bag 31 to fall. Simultaneously, the ash discharge bag 31 undergoes... The folds allow the dust adhering to the inner wall of the ash bag 31 to leave the ash bag 31. Then, the first cylinder 44 is closed. At this time, the two fixing bars 32 abut against each other, closing the entrance of the ash bag 31. The second cylinder 8 is activated, causing the output end of the second cylinder 8 to repeatedly extend and retract, driving the connecting bar 9 and the slider 42 to move back and forth at high frequency. This, in turn, drives the two first cylinders 44 to move back and forth, which in turn drives the fixing bars 32 to move back and forth, causing the ash bag 31 to vibrate repeatedly, shaking off the impurities adhering to the inner wall of the ash bag 31. This causes most of the impurities to leave the ash bag 31 and accumulate at the output end of the ash hopper 2. The output end of the ash hopper 2 is opened again, allowing some of the impurities accumulated inside the ash hopper 2 to continue to slide down into the drawer 53. Then, the output end of the ash hopper 2 is closed. Next, the second cylinder 8 is activated to return to its initial position, and the first cylinder 44 is activated to return to its initial position as well, causing the ash bag 31 to open, ready for the next dust removal process. The dust generated inside drawer 53 needs to be suppressed. The specific method is as follows: After the impurities fall into drawer 53, water pump 54 is started. Water pump 54 pumps clean water into conduit 55. The clean water flows through conduit 55 into atomizing nozzle 56. Atomizing nozzle 56 atomizes the clean water into water mist. The water mist diffuses from fixed cover 57 into drawer 53 and comes into contact with the dust that is raised, achieving a dust suppression effect.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A dust collection baghouse device for dust removal, comprising a dust collector body (1), wherein a dust hopper (2) is fixedly connected to the bottom of the dust collector body (1), characterized in that: The inner wall of the ash hopper (2) is provided with an ash discharge mechanism (3), the ash discharge mechanism (3) is provided with two drive mechanisms (4), the two drive mechanisms (4) are symmetrically distributed on both sides of the ash discharge mechanism (3), and the drive mechanisms (4) are connected to the dust collector body (1). The output end of the ash hopper (2) is provided with a dust suppression mechanism (5), wherein: The ash unloading mechanism (3) includes an ash unloading bag (31). The outlet of the ash unloading bag (31) is fixedly connected to the bottom of the inner wall of the ash hopper (2). The ash unloading bag (31) is fixedly connected to two fixing strips (32). The two fixing strips (32) are symmetrically distributed on both sides of the top of the ash unloading bag (31). The surface of the fixing strips (32) abuts against the inner wall of the dust collector body (1), and the fixing strips (32) are connected to the drive mechanism (4).
2. The dust collection baghouse dust collector according to claim 1, characterized in that: The two drive mechanisms (4) have the same structure. The drive mechanism (4) includes a groove plate (41). One end of the groove plate (41) is fixedly connected to one side of the dust collector body (1). A slider (42) is slidably connected to the inner wall of the groove plate (41). An installation block (43) is fixedly connected to the top of the slider (42). A first cylinder (44) is fixedly installed on one side of the installation block (43). The output end of the first cylinder (44) passes through the installation block (43) and the dust collector body (1) and is fixedly connected to one side of the fixing strip (32). The two installation blocks (43) are fixedly connected by a connecting frame (6).
3. The dust collection bag filter device according to claim 2, characterized in that: One of the grooved plates (41) has a connecting block (7) fixedly connected to one end of its bottom. A second cylinder (8) is fixedly installed on one side of the connecting block (7). The output end of the second cylinder (8) passes through the connecting block (7) and is fixedly connected to a connecting strip (9). A slot (10) is opened at the other end of the bottom of the grooved plate (41). The top end of the connecting strip (9) passes through the slot (10) and is fixedly connected to the bottom of the slider (42).
4. The dust collection baghouse dust collector according to claim 1, characterized in that: The dust suppression mechanism (5) includes an equipment box (51), with a material discharge channel (52) fixedly connected to the center of the top of the equipment box (51). The top of the material discharge channel (52) is fixedly connected to the output end of the ash hopper (2). A drawer (53) is slidably connected to one side of the equipment box (51).
5. The dust collection bag filter according to claim 4, characterized in that: The dust suppression mechanism (5) also includes a water pump (54), the bottom of which is fixedly connected to one side of the top of the equipment box (51). The output end of the water pump (54) is fixedly connected to a conduit (55), one end of which is fixedly connected to an atomizing nozzle (56). A fixing cover (57) is fixedly connected to the surface of the conduit (55). A through hole (58) is opened at one end of the top of the equipment box (51). The bottom of the fixing cover (57) is fixedly connected to the through hole (58), and the atomizing nozzle (56) is located above the through hole (58).
6. The dust collection baghouse dust collector according to claim 1, characterized in that: The outer wall of the ash hopper (2) is provided with an installation groove (11). One end of the installation groove (11) is hinged to a cover plate (13) via a hinge seat (12). A stop block (14) is rotatably connected at the connection between the ash hopper (2) and the cover plate (13). One side of the stop block (14) contacts one side of the cover plate (13).