Pulse bag-type dust collector for calcium oxide production

Abstract

The utility model discloses a pulsed jet cloth filter for calcium oxide production, and belongs to the technical field of calcium oxide production. Comprising a shell, a dust hopper is integrally formed at the bottom of the shell, a partition plate is fixedly mounted between the shell and the inner wall of the dust hopper, an air inlet pipe fixedly sleeves the side wall of the dust hopper at the bottom of the partition plate, an air outlet pipe fixedly sleeves the top of the side wall of the shell, a plurality of cloth bags are mounted between the top of the partition plate and a top plate of the shell, and blowing pipes are arranged on the outer sides of the cloth bags; a moving mechanism is installed between the middle of the top plate and the middle of the partition plate of the shell and connected with a blowing pipe, dust-containing tail gas enters through the air inlet pipe, flows out of the inner cavity of the shell and the air outlet pipe after being filtered through the inner cavities of the multiple cloth bags, dust is intercepted on the inner walls of the cloth bags, after long-time use, the air inlet pipe and the air outlet pipe are cut off, the blowing pipe blows the cloth bags at the moment, and the dust-containing tail gas flows out of the inner cavity of the shell and the air outlet pipe. Meanwhile, the moving mechanism drives the blowing pipe to move up and down along the cloth bag, so that the purpose of comprehensively blowing and cleaning the cloth bag is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of calcium oxide production, and more specifically, to a pulse bag dust collector for calcium oxide production. Background Art

[0002] Calcium oxide is mostly produced by burning, which will produce a lot of dusty tail gas, which needs to be dedusted before being discharged. Currently, pulse bag dust collectors are often used for dust removal.

[0003] The pulse bag dust collector is based on the bag dust collector, with an additional blowing pipe passing through the electromagnetic pulse valve hole on the top of the bag. After long-term use, the clean air outlet duct is cut off by the valve, and the pulse valve is opened to use compressed air for pulse blowing and cleaning.

[0004] When cleaning, the blow pipe is fixed above the bag and cannot be moved. It can only blow at a fixed position and direction and cannot blow along the entire length of the bag, which is not conducive to cleaning the entire length of the bag.

[0005] In view of this, we propose a pulse bag dust collector for calcium oxide production. Utility Model Content

[0006] The purpose of the present application is to provide a pulse bag dust collector for calcium oxide production, which solves the technical problem that during dust cleaning in the above-mentioned background technology, the blowing pipe is fixed above the bag, the blowing pipe cannot move, can only blow at a fixed position and direction, and cannot blow the entire length of the bag, which is not conducive to cleaning the entire length of the bag, thereby achieving the technical effect of a pulse bag dust collector for calcium oxide production.

[0007] The technical solution of the present application provides a pulse bag dust collector for calcium oxide production, comprising a shell, an ash hopper is integrally formed at the bottom of the shell, a partition is fixedly installed between the inner wall of the shell and the ash hopper, an air inlet pipe is fixedly sleeved on the side wall of the ash hopper at the bottom of the partition, an air outlet pipe is fixedly sleeved on the top of the side wall of the shell, a plurality of bags are installed between the top of the partition and the top plate of the shell, a blowing pipe is provided on the outside of the bags, a moving mechanism is installed between the top plate of the shell and the middle part of the partition, and the moving mechanism is connected to the blowing pipe.

[0008] Optionally, the bottom and top of the cloth bag are respectively sleeved with a lower insert ring and an upper insert ring, the tops of the lower insert ring and the upper insert ring are respectively fitted with a pressure ring and a pressure plate, the pressure ring and the pressure plate are respectively bolted to the lower insert ring and the upper insert ring by bolts, the top edge of the cloth bag is clamped between the upper insert ring and the pressure plate, the bottom edge of the cloth bag is clamped between the lower insert ring and the pressure ring, and a plurality of support rods are fixedly installed between the top of the pressure ring and the bottom of the upper insert ring.

[0009] Optionally, the cloth bags are evenly distributed along the circumferential direction of the partition, and a through hole is opened on the partition facing the inner cavity of the cloth bags. The lower insert ring is movably clamped on the top of the through hole, and the upper insert ring movably passes through the top of the shell. A plurality of connecting ears are fixedly installed on the outer wall of the pressure plate, and the connecting ears fit tightly against the top of the shell and are bolted together.

[0010] Optionally, the blow pipe has an annular structure and surrounds the outside of the cloth bag. A plurality of downwardly inclined nozzles are fixedly installed on the inner wall of the blow pipe. A connecting pipe is fixedly sleeved between two adjacent blow pipes. A hose is fixedly connected to the outer wall of one of the blow pipes, and the hose is fixedly passed through the outer wall of the shell and connected to the electromagnetic pulse valve and the air pump.

[0011] Optionally, the moving mechanism includes a central axis, the central axis is rotatably connected between the top plate of the shell and the middle part of the partition, a motor is fixedly installed on the top of the shell, the output shaft of the motor is fixedly connected to the top of the central axis, a rotating cylinder is fixedly sleeved in the middle of the central axis, a slider is slidably sleeved on the rotating cylinder, a limit plate is fixedly installed between the top plate and the partition of the shell, one side outer wall of the slider slides into the limit plate, connecting rods are fixedly installed on the outer walls of both ends of the slider, and the connecting rods are fixedly connected to the blowing pipe, a push-pull groove is opened on the circumferential outer wall of the rotating cylinder, a sliding rod is fixedly installed on the inner wall of the slider, and the sliding rod is slidably engaged with the push-pull groove.

[0012] Optionally, the push-pull groove is two spiral grooves connected to each other end to end, the two spiral grooves are symmetrically divided along the axis of the rotating cylinder, the spiral directions of the two spiral grooves are opposite and the number of spiral turns is half a turn, and the diameter of the sliding rod is equal to the inner cavity width of the spiral groove.

[0013] One or more technical solutions provided in the technical solution of this application have at least the following technical effects or advantages:

[0014] 1. The top and bottom of the bag are clamped and fixed on the inner side of the support rod. At this time, the lower insert ring can pass through the top of the shell and clamp it to the partition plate, which is convenient for filtering and dust removal. When the bag is replaced, the bolts at the connecting ears are removed, so that the upper and lower insert rings can be pulled out of the shell to pull out the bag, and then the bolts on the pressure ring and the pressure plate are removed to remove the bag, which is convenient for replacing a new bag and is easy to use.

[0015] 2. In the present application, during purging, the motor drives the central axis to rotate, and the central axis drives the rotating cylinder to rotate. The slider is limited by the limit plate and can only move up and down. When the rotating cylinder rotates, the two spiral grooves of the push-pull groove will push the slide rod, and the slide rod slides alternately along the two spiral grooves to realize the up and down reciprocating movement of the slide rod, so that the connecting rod drives the spray pipe to move up and down along the cloth bag, thereby achieving the purpose of comprehensive dust cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic cross-sectional structure diagram of a pulse bag dust collector for calcium oxide production disclosed in an embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the structure of the bag disclosed in the embodiment of the present application;

[0018] Figure 3 The embodiment disclosed in this application Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 4 The embodiment disclosed in this application Figure 1 The enlarged structural diagram at B in the middle;

[0020] Explanation of the numbers in the figure: 1. Shell; 2. Ash hopper; 3. Partition; 4. Air inlet pipe; 5. Air outlet pipe; 6. Cloth bag; 7. Blowing pipe; 8. Moving mechanism; 9. Lower insert ring; 10. Upper insert ring; 11. Pressing ring; 12. Pressing plate; 13. Support rod; 14. Connecting ear; 15. Nozzle; 16. Connecting pipe; 17. Motor; 18. Central axis; 19. Rotating cylinder; 20. Sliding block; 21. Limiting plate; 22. Push-pull groove; 23. Sliding rod; 24. Connecting rod; 25. Ventilation pipe; 26. Filter screen; 27. Sealing cover. DETAILED DESCRIPTION

[0021] The present application is further described in detail below in conjunction with the accompanying drawings.

[0022] Reference Figure 1 The embodiment of the present application provides a pulse bag dust collector for calcium oxide production, comprising a shell 1, a ash hopper 2 is integrally formed at the bottom of the shell 1, a partition 3 is fixedly installed between the inner wall of the shell 1 and the ash hopper 2, an air inlet pipe 4 is fixedly sleeved on the side wall of the ash hopper 2 at the bottom of the partition 3, an air outlet pipe 5 is fixedly sleeved on the top of the side wall of the shell 1, a plurality of bags 6 are installed between the top of the partition 3 and the top plate of the shell 1, a blowing pipe 7 is arranged on the outside of the bags 6, a moving mechanism 8 is installed between the top plate of the shell 1 and the middle part of the partition 3, the moving mechanism 8 is connected to the blowing pipe 7, the dust-containing exhaust gas enters through the air inlet pipe 4, after being filtered by the inner cavities of the plurality of bags 6, it flows out from the inner cavity of the shell 1 and the air outlet pipe 5, and the dust is trapped on the inner wall of the bag 6. After long-term use, the air inlet pipe 4 and the air outlet pipe 5 are cut off. At this time, the blowing pipe 7 blows the bag 6, and the moving mechanism 8 drives the blowing pipe 7 to move up and down along the bag 6, so as to achieve the purpose of comprehensive blowing and cleaning of the bag 6.

[0023] Reference Figure 1 and Figure 2The bottom and top of the cloth bag 6 are respectively sleeved with a lower insert ring 9 and an upper insert ring 10, and the tops of the lower insert ring 9 and the upper insert ring 10 are respectively fitted with a pressure ring 11 and a pressure plate 12, and the pressure ring 11 and the pressure plate 12 are respectively bolted to the lower insert ring 9 and the upper insert ring 10 by bolts, the top edge of the cloth bag 6 is clamped between the upper insert ring 10 and the pressure plate 12, and the bottom edge of the cloth bag 6 is clamped between the lower insert ring 9 and the pressure ring 11, and a plurality of support rods 13 are fixedly installed between the top of the pressure ring 11 and the bottom of the upper insert ring 10, and the top and bottom of the cloth bag 6 are clamped and fixed to the inner side of the support rod 13, and at this time, the lower insert ring 9 can pass through the top of the shell 1 and be clamped on the partition 3, which is convenient for filtering and dust removal.

[0024] Reference Figure 1 and Figure 2 The cloth bags 6 are evenly distributed along the circumferential direction of the partition 3. A through hole facing the inner cavity of the cloth bag 6 is opened on the partition 3. The lower insert ring 9 is movably clamped on the top of the through hole, and the upper insert ring 10 movably passes through the top of the shell 1. The outer wall of the pressure plate 12 is fixedly installed with a plurality of connecting ears 14. The connecting ears 14 fit tightly against the top of the shell 1 and are bolted together. The connecting ears 14 are bolted to the top of the shell 1 to keep the cloth bag 6 stable. When the cloth bag 6 is replaced, the bolts at the connecting ears 14 are removed, so that the upper insert ring 10 and the lower insert ring 9 are pulled out of the shell 1 to pull out the cloth bag 6, and then the bolts on the pressure ring 11 and the pressure plate 12 are removed to remove the cloth bag 6, so as to facilitate the replacement of the new cloth bag 6.

[0025] Reference Figure 1 and Figure 3 The blowing pipe 7 is an annular structure and surrounds the outside of the cloth bag 6. A plurality of nozzles 15 tilted downward are fixedly installed on the inner wall of the blowing pipe 7. A connecting pipe 16 is fixedly sleeved between two adjacent blowing pipes 7. A hose is fixedly connected to the outer wall of one blowing pipe 7, and the hose is fixedly passed through the outer wall of the shell 1 and connected to the electromagnetic pulse valve and the air pump. The blowing pipe 7 with an annular structure can surround the outside of the cloth bag 6. The nozzles 15 tilted downward can be used to blow the accumulated dust in the cloth bag 6 downward. The connecting pipe 16 connects the plurality of blowing pipes 7 into a whole, and the hose is used to facilitate synchronous air supply and purging.

[0026] Reference Figure 1 and Figure 3The moving mechanism 8 includes a central axis 18, the central axis 18 is rotatably connected between the top plate of the shell 1 and the middle of the partition 3, a motor 17 is fixedly installed on the top of the shell 1, and the output shaft of the motor 17 is fixedly connected to the top of the central axis 18, a rotating cylinder 19 is fixedly sleeved in the middle of the central axis 18, and a slider 20 is slidably sleeved on the rotating cylinder 19, a limit plate 21 is fixedly installed between the top plate of the shell 1 and the partition 3, and an outer wall of one side of the slider 20 slides in contact with the limit plate 21, and connecting rods 24 are fixedly installed on the outer walls of both ends of the slider 20, and the connecting rods 24 are fixedly connected to the blowing pipe 7, and a push-pull groove 22 is opened on the circumferential outer wall of the rotating cylinder 19, and a slide rod 23 is fixedly installed on the inner wall of the slider 20, and the slide rod 23 slides and engages with the push-pull groove 22. The pull groove 22 and the push-pull groove 22 are two spiral grooves connected to each other end to end. The two spiral grooves are symmetrically divided along the axis of the rotating cylinder 19. The spiral directions of the two spiral grooves are opposite and the number of spiral turns is half a turn. The diameter of the slide rod 23 is equal to the inner cavity width of the spiral groove. During purging, the motor 17 drives the central shaft 18 to rotate, and the central shaft 18 drives the rotating cylinder 19 to rotate. The slider 20 is limited by the limit plate 21 and can only move up and down. When the rotating cylinder 19 rotates, the two spiral grooves of the push-pull groove 22 will push the slide rod 23, and the slide rod 23 slides alternately along the two spiral grooves to realize the up and down reciprocating movement of the slider 20, so that the connecting rod 24 drives the spray pipe 7 to move up and down along the cloth bag 6, so as to achieve the purpose of comprehensive dust cleaning.

[0027] Furthermore, a ventilation pipe 25 is fixedly sleeved on the outer wall of the bottom of the ash hopper 2, and a filter screen 26 is fixedly installed on one end of the ventilation pipe 25 close to the inner wall of the ash hopper 2. A sealing cover 27 is threadedly installed at the end of the ventilation pipe 25 and the bottom of the ash hopper 2. When cleaning, the sealing cover 27 on the ventilation pipe 25 is opened, and the blown air flow is discharged through the ventilation pipe 25, and the blown dust is blocked by the filter screen 26, so that the dust accumulates in the ash hopper 2. After the blowing is completed, the sealing cover 27 at the bottom of the ash hopper 2 is opened to facilitate the discharge of the collected dust.

[0028] Working principle: the top and bottom of the cloth bag 6 are clamped and fixed on the inner side of the support rod 13. At this time, the lower insert ring 9 can penetrate the top of the shell 1 and be clamped on the partition 3. The dust-containing exhaust gas enters through the air inlet pipe 4, and after being filtered by multiple cloth bag 6 cavities, it flows out from the inner cavity of the shell 1 and the air outlet pipe 5. The dust is trapped on the inner wall of the cloth bag 6. After long-term use, the air inlet pipe 4 and the air outlet pipe 5 are cut off. At this time, the blowing pipe 7 blows the cloth bag 6. At the same time, the motor 17 drives the central axis 18 to rotate, and the central axis 18 drives the rotating cylinder 19 to rotate. The slider 20 is limited by the limit plate 21 and can only move up and down. When the rotating cylinder 19 rotates, the two spiral grooves of the push-pull groove 22 will push the sliding rod 23, and the sliding rod 23 slides alternately along the two spiral grooves to realize the up and down reciprocating movement of the sliding block 20, so that the connecting rod 24 drives the blowing pipe 7 to move up and down along the cloth bag 6, so as to achieve the purpose of comprehensive dust cleaning.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pulse bag dust collector for calcium oxide production, comprising a housing (1), characterized in that: The bottom of the shell (1) is integrally formed with an ash hopper (2); a partition (3) is fixedly installed between the inner walls of the shell (1) and the ash hopper (2); an air inlet pipe (4) is fixedly sleeved on the side wall of the ash hopper (2) at the bottom of the partition (3); an air outlet pipe (5) is fixedly sleeved on the top of the side wall of the shell (1); a plurality of cloth bags (6) are installed between the top of the partition (3) and the top plate of the shell (1); a blowing pipe (7) is provided on the outside of the cloth bags (6); a moving mechanism (8) is installed between the top plate of the shell (1) and the middle part of the partition (3); the moving mechanism (8) is connected to the blowing pipe (7).

2. A pulse bag dust collector for calcium oxide production according to claim 1, characterized in that: The bottom and top of the cloth bag (6) are respectively sleeved with a lower insert ring (9) and an upper insert ring (10); the tops of the lower insert ring (9) and the upper insert ring (10) are respectively fitted with a pressure ring (11) and a pressure plate (12); the pressure ring (11) and the pressure plate (12) are respectively bolted to the lower insert ring (9) and the upper insert ring (10); the top edge of the cloth bag (6) is clamped between the upper insert ring (10) and the pressure plate (12); the bottom edge of the cloth bag (6) is clamped between the lower insert ring (9) and the pressure ring (11); and a plurality of support rods (13) are fixedly installed between the top of the pressure ring (11) and the bottom of the upper insert ring (10).

3. A pulse bag dust collector for calcium oxide production according to claim 2, characterized in that: The cloth bags (6) are evenly distributed along the circumferential direction of the partition (3); a through hole facing the inner cavity of the cloth bags (6) is opened on the partition (3); the lower insert ring (9) is movably clamped on the top of the through hole; the upper insert ring (10) movably passes through the top of the shell (1); and a plurality of connecting ears (14) are fixedly installed on the outer wall of the pressure plate (12); the connecting ears (14) are tightly fitted to the top of the shell (1) and are bolted.

4. The pulse bag dust collector for calcium oxide production according to claim 1, characterized in that: The blowing pipe (7) is an annular structure and surrounds the outside of the cloth bag (6). A plurality of nozzles (15) tilted downward are fixedly mounted on the inner wall of the blowing pipe (7). A connecting pipe (16) is fixedly sleeved between two adjacent blowing pipes (7). A hose is fixedly connected to the outer wall of one of the blowing pipes (7), and the hose is fixedly passed through the outer wall of the shell (1) and connected to the electromagnetic pulse valve and the air pump.

5. A pulse bag dust collector for calcium oxide production according to claim 4, characterized in that: The moving mechanism (8) comprises a central axis (18), the central axis (18) is rotatably connected between the top plate of the shell (1) and the middle part of the partition (3), a motor (17) is fixedly installed on the top of the shell (1), the output shaft of the motor (17) is fixedly connected to the top of the central axis (18), a rotating cylinder (19) is fixedly sleeved on the middle part of the central axis (18), a sliding block (20) is slidably sleeved on the rotating cylinder (19), and the top plate of the shell (1) and the partition (3) are connected to the central axis (18). A limit plate (21) is fixedly installed between the plates (3), one side outer wall of the slider (20) is slidably fitted with the limit plate (21), both end outer walls of the slider (20) are fixedly installed with connecting rods (24), and the connecting rods (24) are fixedly connected to the blowing pipe (7), the circumferential outer wall of the rotating cylinder (19) is provided with a push-pull groove (22), the inner wall of the slider (20) is fixedly installed with a slide rod (23), and the slide rod (23) is slidably engaged with the push-pull groove (22).

6. A pulse bag dust collector for calcium oxide production according to claim 5, characterized in that: The push-pull groove (22) is two spiral grooves connected to each other end to end. The two spiral grooves are symmetrically distributed along the axis of the rotating cylinder (19). The spiral directions of the two spiral grooves are opposite and the number of spiral turns is half a turn. The diameter of the sliding rod (23) is equal to the inner cavity width of the spiral groove.

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