Independent dust collection device for furnace lining of intermediate frequency furnace

Abstract

The utility model discloses an independent dust collection device for furnace linings of an intermediate frequency furnace, which belongs to the technical field of dust collection devices and comprises a support frame, a plurality of storage bins are mounted on the support frame, feed pipes are mounted on the storage bins, the storage bins are connected through a top plate, guardrails are mounted on the top plate, and the feed pipes are connected with the guardrails. The top of the storage bin is provided with a dust removal box used in cooperation with the storage bin, the dust removal box is provided with a cloth bag dust removal mechanism, and the cloth bag dust removal mechanism is provided with a plurality of air guide pipes. According to the independent dust collection device for the furnace lining of the intermediate frequency furnace, the gas guide pipe is connected to the blowing pipe, and the gas bag can guide high-pressure gas into the gas guide pipe when providing the high-pressure gas for the blowing pipe, so that the gas guide pipe can provide gas for the gas spraying pipe, and the gas spraying pipe can spray out the high-pressure gas to clean dust attached to the inner wall of the dust removal box; therefore, additional high-pressure gas does not need to be introduced to supply gas to the gas ejector pipe, and additional electromagnetic valves and controllers do not need to be installed to control flowing of the high-pressure gas.

Description

Technical Field

[0001] This utility model relates to the field of dust collection device technology, specifically to an independent dust collection device for medium frequency furnace lining. Background Technology

[0002] After the furnace lining material is produced, it needs to be stored in the storage silo before being bagged. During the process of feeding the furnace lining material into the storage silo, the air will be compressed and the compressed air needs to be discharged. At the same time, the furnace lining material will generate dust during the falling process. Therefore, a dust collection box needs to be installed on the top of the storage silo to depressurize the inside of the silo. The dust collection box is equipped with a bag filter dust removal mechanism, which can separate the furnace lining material dust from the air, allowing the air to be discharged from the dust collection box and the furnace lining material dust to fall into the storage silo.

[0003] However, during use, a layer of furnace lining dust will adhere to the inner wall of the dust collection box. In order to completely remove the dust in the dust collection box, it is necessary to hammer the dust collector to shake off the furnace lining dust on the inner wall of the dust collection box. However, the hammering method may cause impurities (such as iron filings) shaken off from the inner wall of the dust collector to mix with the furnace lining in the storage bin, which reduces the quality of the furnace lining.

[0004] Existing technologies involve installing jet vibrating pads on the inner wall of the dust collector. High-pressure air is supplied to the annular pipe at regular intervals. When the high-pressure air in the annular pipe enters multiple jet vibrating pads, the airflow rushes out at high speed from the edge of the elastic disc to blow and clean the material within the effective range on the inner wall of the dust collection box, causing the disc surface to vibrate and shake off the accumulated material. However, the above solution requires an additional high-pressure air source for air supply, and an additional control box to control the solenoid valve to open and close at regular intervals. The equipment needs to be installed separately, which is costly. Secondly, the above solution is not convenient for driving the jet vibrating pads to move back and forth. Therefore, many sets of jet vibrating pads need to be installed to cover all positions on the inner wall of the dust collection box. Summary of the Invention

[0005] The purpose of this invention is to address the problem in existing technologies that require an additional high-pressure gas source for gas supply and an additional control box to control the solenoid valve to open and close at regular intervals in order to clean the furnace lining material inside the dust collection box. This invention provides an independent dust collection device for the furnace lining material of a medium-frequency furnace.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an independent dust collection device for medium-frequency furnace lining, comprising a support frame, on which multiple storage bins are installed, each storage bin being equipped with a feeding pipe, the multiple storage bins being connected by a top plate, a guardrail being installed on the top plate, a dust collection box for use being installed on the top of each storage bin, the dust collection box being equipped with a bag filter mechanism, the bag filter mechanism being equipped with multiple air guide pipes, the air guide pipes being equipped with multiple vertically spaced dispersion frames with internal cavities, the dispersion frames being equipped with and connected to multiple air jet pipes, and the dust collection box being equipped with an air outlet pipe;

[0007] The bag filter dust collector includes an air tank installed on the outer wall of the dust collector box and a tube sheet installed on the inner side wall of the dust collector box. The air tank is equipped with a blow pipe, and the air guide pipe is connected to the blow pipe. An electromagnetic pulse valve is installed between the blow pipe and the air tank. The air guide pipe passes through the tube sheet. The dispersion frame is located below the tube sheet. Multiple filter components connected to the blow pipe are installed on the tube sheet.

[0008] In the above scheme, the feed pipe is used to facilitate the workers to introduce the furnace lining material from the material bag into the storage bin. The top plate allows the workers to walk on top of the storage bin, thus facilitating the feeding of the furnace lining material from the material bag into storage bins at different locations. The guardrail is used to protect the workers and prevent them from falling. During the process of receiving the furnace lining material, the storage bin will compress the air inside, thus forcing the air into the dust collector. At the same time, the furnace lining material will generate dust when it is added to the storage bin. The dust will enter the dust collector along with the air. Some of the dust will stick to the inner wall of the dust collector. The filter component in the dust collector separates the air from the dust, allowing the air to pass through the top of the filter component and finally be discharged from the exhaust pipe. The dust is intercepted by the filter component.

[0009] Because the air guide pipe is connected to the jet pipe, when the air tank supplies high-pressure gas to the jet pipe, the high-pressure gas can be introduced into the air guide pipe, so that the air guide pipe can supply gas to the jet pipe, and the jet pipe can spray high-pressure gas to clean the dust adhering to the inner wall of the dust collector. Therefore, there is no need to introduce additional high-pressure gas to supply the jet pipe, nor is it necessary to install additional solenoid valves and controllers to control the flow of high-pressure gas.

[0010] Preferably, a miniature air pump is installed on the jet pipe.

[0011] In the above technical solution, the micro air pump can repressurize the gas in the jet pipe, thereby enabling the gas ejected from the jet pipe to obtain a higher ejection speed, thus improving the gas's cleaning effect on the dust adhering to the inner wall of the dust collector.

[0012] Preferably, the jet pipe is equipped with a fan-shaped nozzle aligned with the inner wall of the dust collection box.

[0013] In the above technical solution, the fan-shaped nozzle can fully disperse the gas, so that the sprayed gas can cover all parts of the inner wall of the dust collector.

[0014] Preferably, the filter assembly includes a cage installed below the blowpipe, and a filter bag is fitted onto the cage.

[0015] In the above technical solution, the filter bag can separate dust and air, and the cage can support the filter bag.

[0016] Preferably, the vent pipe is equipped with a vent valve.

[0017] In the above technical solution, the exhaust valve can control the air to be discharged from the exhaust pipe.

[0018] Preferably, the perforated plate has multiple through holes, and an O-ring is installed in each through hole to seal the air guide pipe and the perforated plate.

[0019] In the above technical solution, the O-ring can seal the through hole, preventing dust from entering the top of the tube sheet through the through hole.

[0020] Preferably, a liftable connecting pipe is sleeved around the outer periphery of the air guide pipe, and multiple connecting pipes are connected by a connecting frame. At least one driving component that connects to and drives the connecting frame is installed on the top of the inner wall of the dust collector.

[0021] In the above technical solution, the driving component can drive the connecting frame to move up and down, and the connecting frame can drive the connecting pipe, the dispersing frame and the jet pipe to rise and fall, so that the jet pipe can clean the dust at different heights on the inner wall of the dust collector, further improving the dust cleaning effect.

[0022] Preferably, a plurality of telescopic rods are installed between the top of the inner wall of the dust collection box and the connecting frame.

[0023] In the above technical solution, the telescopic rod can limit the connection frame, thereby ensuring the stability of the connection frame during movement.

[0024] Preferably, the perforated plate has multiple through holes, and a piston sealing ring for sliding of the connecting pipe is installed in each through hole.

[0025] In the above technical solution, the piston sealing ring seals the through hole while ensuring the normal sliding of the connecting pipe, and the driving component is a hydraulic cylinder / pushing oil cylinder / pneumatic cylinder.

[0026] Compared with the prior art, the beneficial effects of this utility model are:

[0027] 1. This independent dust collection device for medium-frequency furnace lining connects the air guide pipe to the jet pipe. When the air tank supplies high-pressure gas to the jet pipe, the high-pressure gas can be introduced into the air guide pipe, thereby enabling the air guide pipe to supply gas to the jet pipe. The jet pipe can then spray high-pressure gas to clean the dust adhering to the inner wall of the dust collection box. This eliminates the need to introduce additional high-pressure gas to supply the jet pipe, and also eliminates the need to install additional solenoid valves and controllers to control the flow of high-pressure gas, thus reducing the cost of installation and purchase of the device.

[0028] 2. The independent dust collection device for the lining of the medium-frequency furnace has a micro air pump installed on the jet pipe. The micro air pump can be used to pressurize the gas again, so that the gas can be ejected at a higher speed, thereby improving the cleaning effect of the gas on the dust on the inner wall of the dust collection box.

[0029] 3. The independent dust collection device for the lining of the medium-frequency furnace has a driving component that can drive the connecting frame to move up and down. The connecting frame can drive the connecting pipe, the dispersing frame and the jet pipe to rise and fall, so that the jet pipe can clean the dust at different heights on the inner wall of the dust collection box, further improving the dust cleaning effect. Attached Figure Description

[0030] Figure 1 This is a front view structural diagram of the present utility model.

[0031] Figure 2 This is a side view of the structure of the present invention.

[0032] Figure 3 This is a cross-sectional view of the dust collector box of this utility model.

[0033] Figure 4 This is a side view of the dust collector box of this utility model.

[0034] Figure 5 This is a schematic diagram of the air guide tube and its connecting structure of the present invention.

[0035] Figure 6 This utility model Figure 3 Top view of section BB.

[0036] In the diagram: 1. Storage silo; 2. Dust collector box; 300. Baghouse dust collector mechanism; 301. Air manifold; 302. Pulse jet pipe; 303. Electromagnetic pulse valve; 304. Tube sheet; 305. Cage frame; 306. Filter bag; 4. Air guide pipe; 5. Connecting pipe; 6. Dispersion frame; 7. Air jet pipe; 8. Air outlet pipe; 9. Air outlet valve; 10. Miniature air pump; 11. Fan-shaped nozzle; 12. Drive component; 13. Connecting frame; 14. Telescopic rod; 15. Support frame; 16. Feed pipe; 17. Top plate; 18. Guardrail; 19. Material bag. Detailed Implementation

[0037] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0038] Please refer to Figures 1 to 6 This embodiment of an independent dust collection device for medium-frequency furnace lining includes a support frame 15, on which multiple storage bins 1 are installed. Each storage bin 1 is equipped with a feed pipe 16. The multiple storage bins 1 are connected by a top plate 17. A guardrail 18 is installed on the top plate 17. A dust collection box 2 is installed on the top of each storage bin 1 for cooperation. The dust collection box 2 is equipped with a bag filter dust removal mechanism 300. Multiple air guide pipes 4 are installed on the bag filter dust removal mechanism 300. Multiple vertically spaced dispersion frames 6 with internal cavities are provided on the air guide pipes 4. Multiple air jet pipes 7 are installed and connected to the dispersion frames 6. An air outlet pipe 8 is provided on the dust collection box 2.

[0039] The bag filter dust collector 300 includes an air tank 301 installed on the outer wall of the dust collector 2 and a tube sheet 304 installed on the inner side wall of the dust collector 2. The air tank 301 is provided with a blow pipe 302. The air guide pipe 4 is connected to the blow pipe 302. An electromagnetic pulse valve 303 is installed between the blow pipe 302 and the air tank 301. The air guide pipe 4 passes through the tube sheet 304. The dispersion frame 6 is located below the tube sheet 304. Multiple filter components connected to the blow pipe 302 are installed on the tube sheet 304.

[0040] In the above scheme, the feed pipe 16 is used to facilitate the workers to introduce the furnace lining material in the material bag 19 into the storage bin 1. The top plate 17 allows the workers to walk on the storage bin 1, so as to facilitate the feeding of the furnace lining material in the material bag 19 into the storage bin 1 at different locations. The guardrail 18 is used to protect the workers and prevent them from falling.

[0041] During the process of receiving furnace lining material, the storage silo 1 will compress the air inside the storage silo 1, so that the air can be squeezed into the dust collector 2. At the same time, when the furnace lining material is added to the storage silo 1, dust will be generated. The dust will enter the dust collector 2 along with the air. Some of the dust will stick to the inner wall of the dust collector 2. The filter component in the dust collector 2 separates the air from the dust, allowing the air to pass through the top of the filter component and finally be discharged from the air outlet pipe 8. The dust is intercepted by the filter component.

[0042] Since the air guide pipe 4 is connected to the blowpipe 302, when the air tank 301 supplies high-pressure gas to the blowpipe 302, it can guide the high-pressure gas into the air guide pipe 4, so that the air guide pipe 4 can supply gas to the jet pipe 7, and the jet pipe 7 can spray high-pressure gas to clean the dust adhering to the inner wall of the dust collector 2. Therefore, it is not necessary to introduce additional high-pressure gas to supply gas to the jet pipe 7, nor is it necessary to install additional solenoid valves and controllers to control the flow of high-pressure gas.

[0043] It should be noted that the bag filter dust collection mechanism 300 adopts a mature technical solution in the existing technology. The dispersion frame 6 can disperse the high-pressure gas introduced by the air guide pipe 4, so that the dispersion frame 6 can supply air to the air jet pipe 7 at different positions, and the air jet pipe 7 can clean different positions on the inner wall of the dust collection box 2 by air jet. The electromagnetic pulse valve 303 can be opened and closed at a time by the controller, so as to realize the timed cleaning of the filter components and the dust collection box 2.

[0044] In this embodiment, a miniature air pump 10 is installed on the jet pipe 7, and a fan-shaped nozzle 11 is installed on the jet pipe 7 to be aligned with the inner wall of the dust collection box 2. The filter assembly includes a cage 305 installed below the blow pipe 302, a filter bag 306 is fitted on the cage 305, an air outlet valve 9 is provided on the air outlet pipe 8, and multiple through holes are opened in the tube sheet 304. O-rings are installed in the through holes to seal the air guide pipe 4 and the tube sheet 304.

[0045] In the above scheme, the fan-shaped nozzle 11 can fully disperse the gas, so that the sprayed gas can cover all parts of the inner wall of the dust collector 2. The micro air pump 10 can repressurize the gas in the jet pipe 7, so that the gas sprayed from the jet pipe 7 can obtain a higher spray speed, thereby improving the cleaning effect of the gas on the dust adhering to the inner wall of the dust collector 2. The O-ring can seal the through hole to prevent dust from entering the tube sheet 304 through the through hole.

[0046] It should be noted that the miniature air pump 10 can be controlled by the controller that controls the electromagnetic pulse valve 303, so that the electromagnetic pulse valve 303 and the miniature air pump 10 can be opened and closed simultaneously. The filter bag 306 can separate dust and air, and the cage 305 can support the filter bag 306. Both the filter bag 306 and the cage 305 are existing technologies in baghouse dust collectors.

[0047] In this embodiment, the air guide pipe 4 is sleeved with a liftable connecting pipe 5. Multiple connecting pipes 5 are connected through a connecting frame 13. At least one driving component 12 is installed on the top of the inner wall of the dust collector 2 to connect and drive the connecting frame 13. Multiple telescopic rods 14 are installed between the top of the inner wall of the dust collector 2 and the connecting frame 13. Multiple through holes are opened in the tube sheet 304, and piston sealing rings for sliding of the connecting pipes 5 are installed in the through holes.

[0048] In the above scheme, the driving component 12 can drive the connecting frame 13 to move up and down, and the connecting frame 13 can drive the connecting pipe 5, the dispersing frame 6 and the jet pipe 7 to move up and down, so that the jet pipe 7 can clean the dust at different heights on the inner wall of the dust collection box 2, and further improve the dust cleaning effect.

[0049] It should be noted that an electronic valve can be installed on the air guide pipe 4. The electronic valve can be used to control the air guide pipe 4 independently. The telescopic rod 14 can limit the connection frame 13, thereby ensuring the stability of the connection frame 13 during movement. The piston sealing ring seals the through hole while ensuring the normal sliding of the connection pipe 5. The driving component 12 is a hydraulic cylinder / pushing oil cylinder / pneumatic cylinder.

[0050] Operating mode: When furnace lining material is added to storage silo 1, the lining material enters silo 1 along with the gas. Dust from the lining material, blown up by the air, enters dust collector 2. Some dust adheres to the inner wall of dust collector 2. When the gas passes through filter bag 306, the dust it carries is intercepted by the filter bag 306. The intercepted dust adheres to the outer surface of filter bag 306. The dust passing through filter bag 306 is discharged outside dust collector 2 through exhaust pipe 8. When it is necessary to clean the dust adhering to the inner wall of dust collector 2 and filter bag 306, the electromagnetic pulse valve 303 and micro air pump 10 are opened. Air manifold 301 increases the high-pressure gas pressure on blowpipe 302. A portion of the high-pressure gas is injected into filter bag 306 at high speed, causing filter bag 306 to rapidly... The gas expands and generates impact vibration, thereby removing dust from the surface of the filter bag 306. At the same time, another part of the high-pressure gas enters the connecting pipe 5 through the air guide pipe 4, and then enters the dispersing frame 6 from the connecting pipe 5. The dispersing frame 6 disperses the gas into each jet pipe 7. The micro air pump 10 accelerates the gas in the jet pipe 7, so that the gas can be ejected from the fan-shaped nozzle 11 at high speed. The airflow is used to clean the dust attached to the inner wall of the dust collector 2. At the same time, the drive component 12 is activated, which drives the connecting frame 13 to move up and down reciprocally. The connecting frame 13 drives the connecting pipe 5, the dispersing frame 6 and the jet pipe 7 to move together, so that the jet pipe 7 can drive the fan-shaped nozzle 11 to clean the dust at different heights on the inner wall of the dust collector 2.

[0051] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An independent dust collection device for medium-frequency furnace lining, characterized in that, Includes a support frame (15), on which multiple storage bins (1) are installed, and on which feed pipes (16) are installed. The multiple storage bins (1) are connected by a top plate (17), and on which guardrails (18) are installed. A dust collector (2) is installed on the top of each storage bin (1). The dust collector (2) is equipped with a bag filter mechanism (300). The bag filter mechanism (300) is equipped with multiple air guide pipes (4). The air guide pipes (4) are equipped with multiple vertically spaced dispersion frames (6) with cavities inside. Multiple jet pipes (7) are installed and connected to the dispersion frames (6). The dust collector (2) is equipped with an exhaust pipe (8). The bag filter mechanism (300) includes an air tank (301) installed on the outer wall of the dust collector (2) and a tube sheet (304) installed on the inner side wall of the dust collector (2). The air tank (301) is provided with a blow pipe (302). The air guide pipe (4) is connected to the blow pipe (302). An electromagnetic pulse valve (303) is installed between the blow pipe (302) and the air tank (301). The air guide pipe (4) is installed through the tube sheet (304). The dispersion frame (6) is located below the tube sheet (304). Multiple filter components connected to the blow pipe (302) are installed on the tube sheet (304).

2. The independent dust collection device for the lining of an intermediate frequency furnace according to claim 1, characterized in that, A miniature air pump (10) is installed on the jet pipe (7).

3. The independent dust collection device for the lining of an intermediate frequency furnace according to claim 1, characterized in that, The jet pipe (7) is equipped with a fan-shaped nozzle (11) aligned with the inner wall of the dust collection box (2).

4. The independent dust collection device for the lining material of the medium-frequency furnace according to claim 1, characterized in that, The filter assembly includes a cage (305) installed below the blow pipe (302), and a filter bag (306) is fitted on the cage (305).

5. The independent dust collection device for the lining material of the medium-frequency furnace according to claim 1, characterized in that, An air outlet valve (9) is provided on the air outlet pipe (8).

6. The independent dust collection device for the lining material of the medium-frequency furnace according to claim 1, characterized in that, The tube sheet (304) has multiple through holes, and an O-ring is installed in each through hole to seal the air guide pipe (4) and the tube sheet (304).

7. The independent dust collection device for the lining of an intermediate frequency furnace according to claim 1, characterized in that, The air duct (4) is fitted with a liftable connecting pipe (5) around its outer periphery. Multiple connecting pipes (5) are connected by a connecting frame (13). At least one driving component (12) is installed on the top of the inner wall of the dust collector (2) to connect to and drive the connecting frame (13).

8. The independent dust collection device for the lining of an intermediate frequency furnace according to claim 7, characterized in that, Multiple telescopic rods (14) are installed between the top of the inner wall of the dust collection box (2) and the connecting frame (13).

9. The independent dust collection device for the lining material of the medium-frequency furnace according to claim 7, characterized in that, The flower plate (304) has multiple through holes, and a piston sealing ring for sliding of the connecting pipe (5) is installed in the through holes.

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