Blast furnace bag type dust removal equipment based on pulse valve back flushing

Abstract

The application discloses a blast furnace bag dust removal equipment based on pulse valve back blowing, and relates to the technical field of bag dust removal.The blast furnace bag dust removal equipment comprises a dust removal shell body, a mounting plate is fixedly connected to the inside of the dust removal shell body, a plurality of ring plates are clamped to the inside of the mounting plate, dust filtering cloth bags are fixedly connected to the bottom of the ring plates, two corresponding sliding rods are fixedly connected to the inside of the mounting plate, sliding plates are slidingly connected to the outside of the two sliding rods, and the application has the beneficial effects that the sliding rods are driven to move by the extension and retraction of the electric telescopic rods, so that the sliding plates are pushed to reciprocally slide outside the sliding rods, the connecting plates and the two tooth rods are driven to reciprocally move, the tooth rods and the plurality of tooth rings are mutually meshed, the plurality of rotating pipes and the electromagnetic pulse valves are driven to rotate, the angle of the air pressure when back blowing the dust filtering cloth bags is changed, the dust filtering cloth bags are vibrated at different angles, and the dust is shaken off.

Description

Technical Field

[0001] This invention relates to the field of baghouse dust collection technology, specifically to a blast furnace baghouse dust collection device based on pulse valve backflushing. Background Technology

[0002] Baghouse dust collectors, also known as bag filters, are a type of dry dust filtration device. They are suitable for collecting fine, dry, non-fibrous dust. The filter bags are made of woven filter cloth or non-woven felt, utilizing the filtration effect of the fibrous fabric to filter dust-laden gas. When the dust-laden gas enters the baghouse dust collector, larger, heavier dust particles settle down due to gravity and fall into the ash hopper. Gas containing finer dust particles is purified as it passes through the filter media, where the dust is trapped. Pulse jet baghouse dust collectors are a new type of high-efficiency pulse jet baghouse dust collector, an improvement on the traditional baghouse dust collector. They offer advantages such as high purification efficiency, large gas handling capacity, stable performance, convenient operation, long filter bag life, and low maintenance workload.

[0003] Conventional electromagnetic pulse valves are fixed installations. When backflushing the filter bags, the vibration amplitude of the filter bags under wind pressure is small, but a large number of tiny particles are still not shaken off, which affects the cleaning effect of the filter bags and results in poor dust removal. To address this, we propose a blast furnace bag dust removal device based on pulse valve backflushing. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a blast furnace bag filter dust collector based on pulse valve backflushing, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a blast furnace bag filter dust collector based on pulse valve backflushing, comprising a dust collector housing, an installation plate fixedly connected inside the dust collector housing, multiple ring plates snapped inside the installation plate, a filter bag fixedly connected to the bottom of the ring plates, two corresponding sliding rods fixedly connected inside the installation plate, a sliding plate slidably connected to the outer side of the two sliding rods, a connecting plate fixedly connected to the bottom of the sliding plate, two corresponding toothed rods fixedly connected to the bottom of the connecting plate, multiple mounting brackets fixedly installed on the top of the installation plate, air tanks fixedly connected inside the multiple mounting brackets by bolts, multiple connecting pipes fixedly connected inside the air tanks, a rotating pipe rotatably connected to the outer side of the connecting pipes, a toothed ring fixedly connected to the outer side of the rotating pipe, and the toothed ring meshing with the toothed rod.

[0006] In a preferred embodiment of the present invention, the mounting plate has multiple through slots inside, a rotating slot inside the mounting plate and located outside the through slots, two corresponding locking slots inside the mounting plate and located outside the through slots, and two corresponding magnetic suction slots inside the mounting plate and located outside the through slots. The locking slots, rotating slots, and magnetic suction slots cooperate with each other. The annular plate is fitted inside the through slots, and two corresponding magnetic suction blocks are fixedly connected to the outside of the annular plate. The magnetic suction blocks are locked inside the magnetic suction slots. By inserting the annular plate into the through slots and simultaneously inserting the magnetic suction blocks into the locking slots, the magnetic suction blocks are rotated to the top of the magnetic suction slots via the rotating slots, and then inserted into the magnetic suction slots, thereby fixing them, and thus fixing the annular plate and the dust filter bag.

[0007] In a preferred embodiment of the present invention, a connecting rod is fixedly connected to one side of the sliding plate, and one end of the connecting rod extends through to the outside of the mounting plate. An electric telescopic rod is fixedly installed on the outside of the dust collector housing, and the output end of the electric telescopic rod is fixedly connected to the connecting rod. Through the mutual cooperation of the electric telescopic rod and the connecting rod, the sliding plate can be pushed to slide back and forth on the outside of the sliding rod, thereby driving the connecting plate and the two toothed rods to move back and forth. Thus, through the mutual meshing of the toothed rods and multiple toothed rings, multiple rotating tubes and electromagnetic pulse valves are driven to rotate, thereby changing the angle of the air pressure when back-blowing the dust filter bag, thereby vibrating the dust filter bag at different angles and shaking off the dust.

[0008] As a preferred embodiment of the present invention, an electromagnetic pulse valve is fixedly connected to the outside of the rotating tube. The electromagnetic pulse valve cooperates with the dust filter bag. The electromagnetic pulse valve can introduce airflow into the dust filter bag and vibrate the dust filter bag in the opposite direction through the airflow, thereby shaking off the dust filtered on the dust filter bag.

[0009] As a preferred embodiment of the present invention, an air outlet pipe is fixedly connected to the outside of the dust removal housing, a fan is fixedly installed inside the air outlet pipe, and an air inlet pipe is fixedly connected to the outside of the dust removal housing. Flue gas can be introduced into the dust removal housing through the air inlet pipe, and the fan installed inside the air outlet pipe can drive the airflow, thereby guiding the flue gas and exporting the filtered flue gas through the air outlet pipe to the subsequent treatment device.

[0010] As a preferred embodiment of the present invention, the dust collector housing has an insertion groove inside, and a dust collection hopper is inserted into the insertion groove. The dust collection hopper is fixed to the dust collector housing by bolts. The dust collection hopper can collect the dust shaken off the filter bag, thereby facilitating the cleaning of dust by the staff.

[0011] As a preferred embodiment of the present invention, an air pump is fixedly installed on the outside of the dust collector housing. The air pump is connected to the air tank through a pipe, and the air pump can inject air into the air tank.

[0012] This invention provides a blast furnace bag filter dust collector based on pulse valve backflushing, which has the following beneficial effects: 1. This blast furnace bag filter dust collector based on pulse valve backflushing uses an electric telescopic rod to extend and retract, which moves the connecting rod. This causes the sliding plate to slide back and forth on the outside of the sliding rod, which in turn moves the connecting plate and two toothed rods back and forth. Through the meshing of the toothed rods with multiple toothed rings, multiple rotating tubes and electromagnetic pulse valves are rotated, thereby changing the angle of the air pressure when backflushing the filter bag. This causes the filter bag to vibrate at different angles, thus shaking off the dust.

[0013] 2. This blast furnace bag dust collector based on pulse valve backflushing fixes the ring plate and the filter bag by inserting the ring plate into the through groove and the magnetic block into the slot. The magnetic block is then rotated to the top of the magnetic groove by rotating the slot and then inserted into the magnetic groove to fix it. This fixes the ring plate and the filter bag, making it easy to disassemble and assemble the filter bag and improving its convenience. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the dust collector housing of the present invention; Figure 3 This is a schematic diagram of the angle adjustment mechanism of the present invention; Figure 4 This is a schematic diagram of the internal structure of the mounting plate of the present invention.

[0015] In the diagram: 1. Dust collector housing; 2. Inlet pipe; 3. Outlet pipe; 4. Fan; 5. Connecting slot; 6. Dust collection hopper; 7. Mounting plate; 8. Mounting frame; 9. Air tank; 10. Connecting pipe; 11. Rotating pipe; 12. Gear ring; 13. Electromagnetic pulse valve; 14. Sliding rod; 15. Sliding plate; 16. Connecting plate; 17. Gear rod; 18. Connecting rod; 19. Electric telescopic rod; 20. Through slot; 21. Slot; 22. Rotating slot; 23. Magnetic suction slot; 24. Ring plate; 25. Magnetic suction block; 26. Dust filter bag. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0017] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0019] Please see Figures 1 to 4 This invention provides a technical solution: a blast furnace bag filter dust collector based on pulse valve backflushing, comprising a dust collector housing 1, an installation plate 7 fixedly connected inside the dust collector housing 1, multiple ring plates 24 snapped inside the installation plate 7, a filter bag 26 fixedly connected to the bottom of the ring plates 24, two corresponding sliding rods 14 fixedly connected inside the installation plate 7, a sliding plate 15 slidably connected to the outside of the two sliding rods 14, a connecting plate 16 fixedly connected to the bottom of the sliding plate 15, two corresponding toothed rods 17 fixedly connected to the bottom of the connecting plate 16, multiple mounting brackets 8 fixedly installed on the top of the installation plate 7, an air tank 9 fixedly connected inside the multiple mounting brackets 8 by bolts, multiple connecting pipes 10 fixedly connected inside the air tank 9, a rotating pipe 11 rotatably connected to the outside of the connecting pipes 10, a toothed ring 12 fixedly connected to the outside of the rotating pipe 11, and the toothed ring 12 meshing with the toothed rod 17. The mounting plate 7 has multiple through slots 20 inside, and a rotating slot 22 is formed inside the mounting plate 7 on the outside of the through slots 20. Two corresponding locking slots 21 and two corresponding magnetic suction slots 23 are formed inside the mounting plate 7 on the outside of the through slots 20. The locking slots 21, rotating slots 22, and magnetic suction slots 23 cooperate with each other. An annular plate 24 is fitted inside the through slots 20, and two corresponding magnetic blocks 25 are fixedly connected to the outside of the annular plate 24. The magnetic blocks 25 are engaged inside the magnetic suction slots 23. Specifically: by inserting the ring plate 24 into the inside of the through groove 20, and simultaneously inserting the magnetic block 25 into the inside of the slot 21, then rotating the magnetic block 25 to the top of the magnetic groove 23 through the rotating groove 22, and then inserting the magnetic block 25 into the inside of the magnetic groove 23, thereby fixing it, and thus fixing the ring plate 24 and the dust filter bag 26. A connecting rod 18 is fixedly connected to one side of the sliding plate 15. One end of the connecting rod 18 extends through to the outside of the mounting plate 7. An electric telescopic rod 19 is fixedly installed on the outside of the dust collector housing 1. The output end of the electric telescopic rod 19 is fixedly connected to the connecting rod 18. Specifically: Through the cooperation of the electric telescopic rod 19 and the connecting rod 18, the sliding plate 15 can be pushed to slide back and forth on the outside of the sliding rod 14, and then the connecting plate 16 and the two toothed rods 17 can be moved back and forth. Thus, through the meshing of the toothed rods 17 with multiple toothed rings 12, multiple rotating tubes 11 and electromagnetic pulse valves 13 are driven to rotate, thereby changing the angle of the wind pressure when back-blowing the dust filter bag 26, thereby vibrating the dust filter bag 26 at different angles, and thus shaking off the dust. An electromagnetic pulse valve 13 is fixedly connected to the outside of the rotating tube 11. The electromagnetic pulse valve 13 cooperates with the dust filter bag 26. The electromagnetic pulse valve 13 can introduce airflow into the dust filter bag 26. The airflow vibrates the dust filter bag 26 in the opposite direction, thereby shaking off the dust filtered on the dust filter bag 26. An exhaust pipe 3 is fixedly connected to the outside of the dust collector housing 1. A fan 4 is fixedly installed inside the exhaust pipe 3. An intake pipe 2 is fixedly connected to the outside of the dust collector housing 1. Flue gas can be introduced into the dust collector housing 1 through the intake pipe 2. The fan 4 installed inside the exhaust pipe 3 can drive the air flow, thereby guiding the flue gas and exporting the filtered flue gas through the exhaust pipe 4 to the subsequent treatment device. The dust collector housing 1 has an insertion slot 5 inside, and a dust collection hopper 6 is inserted into the insertion slot 5. The dust collection hopper 6 is fixed to the dust collector housing 1 by bolts. The dust collection hopper 6 can collect the dust shaken off the dust filter bag 26, so as to facilitate the cleaning of dust by the staff. An air pump is fixedly installed on the outside of the dust collector housing 1. The air pump is connected to the air tank 9 through a pipe. The air pump can inject air into the air tank 9.

[0020] In summary, this blast furnace baghouse dust collector based on pulse valve backflushing is used by inserting the ring plate 24 into the through slot 20 through the inspection port, and simultaneously inserting the magnetic block 25 into the slot 21. The magnetic block 25 is then rotated to the top of the magnetic groove 23 via the rotating slot 22, and then inserted into the magnetic groove 23 to fix it in place. This fixes the ring plate 24 and the filter bag 26, facilitating the assembly and disassembly of the filter bag 26. Power is supplied to all mechanisms, and flue gas is injected into the dust collector housing 1 through the inlet pipe 2. Simultaneously, the fan 4 is started via an external controller, causing airflow, which allows the flue gas to pass through the filter bag 26 for filtration, and then discharge through the outlet pipe 3 to the subsequent treatment device. Cleaning the filter bag 26 is then performed. The air pump is started to inject air into the air tank 9 through the pipeline. At the same time, multiple electromagnetic pulse valves 13 are activated to blow the dust filter bag 26 through the ring plate 24. Simultaneously, the extension and retraction of the electric telescopic rod 19 drives the connecting rod 18 to move, thereby pushing the sliding plate 15 to slide back and forth on the outside of the sliding rod 14. Then, the connecting plate 16 and the two toothed rods 17 move back and forth. Through the meshing of the toothed rods 17 with multiple toothed rings 12, multiple rotating tubes 11 and electromagnetic pulse valves 13 are driven to rotate, thereby changing the angle of the air pressure when back-blowing the dust filter bag 26. This causes the dust filter bag 26 to vibrate at different angles, shaking the dust into the dust collection hopper 6. Then, the back-blowing of the dust filter bag 26 is stopped, and the dust collection hopper 6 is disassembled to clean the collected dust.

[0021] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The installation methods between equipment are also the same as conventional installation methods in the prior art. For example, the two ends of shaft-shaped parts are connected by bearings, the connection position of valve components is provided with anti-leakage rubber strips, the outside of threaded rods or lead rods is provided with dust covers, and the equipment can be driven by either built-in batteries or external power supply. The control method is automatic control by a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this invention is mainly used to protect mechanical devices, this invention will not explain the control method and circuit connection in detail. The external controller mentioned in the specification can play a control role for the electrical components mentioned herein, and the external controller is a conventional known device.

[0022] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A blast furnace bag filter dust collector based on pulse valve backflushing, comprising a dust collector housing (1), characterized in that: The dust collector housing (1) is fixedly connected to an installation plate (7), and multiple ring plates (24) are snapped into the inside of the installation plate (7). A filter bag (26) is fixedly connected to the bottom of the ring plate (24). The mounting plate (7) has two corresponding sliding rods (14) fixedly connected inside. The two sliding rods (14) are slidably connected to a sliding plate (15) on the outside. The bottom of the sliding plate (15) is fixedly connected to a connecting plate (16). The bottom of the connecting plate (16) is fixedly connected to two corresponding toothed rods (17). The top of the mounting plate (7) is fixedly mounted with multiple mounting brackets (8). An air tank (9) is fixedly connected to the inside of each of the mounting brackets (8) by bolts. A plurality of connecting pipes (10) are fixedly connected to the inside of the air tank (9). A rotating pipe (11) is rotatably connected to the outside of the connecting pipe (10). A toothed ring (12) is fixedly connected to the outside of the rotating pipe (11). The toothed ring (12) meshes with the toothed rod (17).

2. The blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: The mounting plate (7) has multiple through slots (20) inside, and a rotating slot (22) is provided inside the mounting plate (7) and outside the through slots (20). The mounting plate (7) has two corresponding slots (21) inside the mounting plate (7) and outside the through slots (20). The mounting plate (7) has two corresponding magnetic slots (23) inside the mounting plate (7) and outside the through slots (20).

3. The blast furnace bag filter dust collector based on pulse valve backflushing according to claim 2, characterized in that: The slot (21), rotating slot (22), and magnetic suction slot (23) cooperate with each other. The ring plate (24) is sleeved inside the through slot (20). Two corresponding magnetic suction blocks (25) are fixedly connected to the outside of the ring plate (24). The magnetic suction blocks (25) are snapped into the inside of the magnetic suction slot (23).

4. A blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: A connecting rod (18) is fixedly connected to one side of the sliding plate (15). One end of the connecting rod (18) extends through to the outside of the mounting plate (7). An electric telescopic rod (19) is fixedly installed on the outside of the dust removal housing (1). The output end of the electric telescopic rod (19) is fixedly connected to the connecting rod (18).

5. A blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: An electromagnetic pulse valve (13) is fixedly connected to the outside of the rotating tube (11), and the electromagnetic pulse valve (13) cooperates with the dust filter bag (26).

6. A blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: An air outlet pipe (3) is fixedly connected to the outside of the dust collector housing (1), a fan (4) is fixedly installed inside the air outlet pipe (3), and an air inlet pipe (2) is fixedly connected to the outside of the dust collector housing (1).

7. A blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: The dust collector housing (1) has an insertion slot (5) inside, and a dust collection hopper (6) is inserted into the insertion slot (5). The dust collection hopper (6) is fixed to the dust collector housing (1) by bolts.

8. A blast furnace bag filter dust collector based on pulse valve backflushing according to claim 1, characterized in that: An air pump is fixedly installed on the outside of the dust collector housing (1), and the air pump is connected to the air bag (9) through a pipe.

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