Bag-type dust collector with detection mechanism

Abstract

The utility model discloses a bag-type dust collector with a detection mechanism, and aims to solve the technical problems that when the existing bag-type dust collector works, on one hand, the blockage degree of the dust collector is inconvenient to intelligently detect, and on the other hand, the high filtering performance of a dust collecting bag cannot be effectively ensured. Comprising a device body, an air inlet pipe is installed on the lower portion of the device body, an exhaust pipe is installed on the top of the device body, air speed sensors are installed in the air inlet pipe and the exhaust pipe, an air collecting component communicated with the exhaust pipe is installed on the upper portion of the device body, and an inner shaft driven by a motor is rotationally connected to the inner wall of the device body. When the bag-type dust collector works, the single-chip microcomputer automatically calculates the data difference between the two wind speed sensors, the single-chip microcomputer calculates the air outlet fluency in the dust collector according to the data difference between the two wind speed sensors, and the blockage degree of the bag-type dust collector is judged in an auxiliary mode through calculation of the air outlet fluency.

Description

Technical Field

[0001] The utility model belongs to the technical field of bag dust collectors, and in particular relates to a bag dust collector with a detection mechanism. Background Art

[0002] Bag dust collector is a very common dust removal equipment in industrial production process. Bag dust collector sends dusty air into the dust collector box through the air inlet pipe. The dusty air passes through the bag, and the dust in it is filtered by the bag and falls into the ash hopper for collection. The filtered air is discharged into the atmosphere.

[0003] In the prior art, a patent document with publication number CN219002327U discloses a bag dust collector, including a box body, a support plate is fixedly connected to the side wall of the box body near the top, a plurality of fixing grooves are provided on the support plate near the center, and a fixed box is fixedly connected to the inner walls of the plurality of fixing grooves, and a plug hole is provided near the center on the upper and lower sides of the plurality of fixed boxes, and cage bags are provided in the inner cavities of two adjacent plug holes. The above-mentioned dust collector is convenient for fixing three cage bags for dust removal, and the three cage bags can also be conveniently removed from the inner cavity of the box body for maintenance, thereby improving the convenience of the bag dust collector. However, when the above-mentioned bag dust collector is working, on the one hand, it is not convenient to intelligently detect the blockage degree of the dust collector, and on the other hand, it is not convenient to realize multi-directional shaking or multi-directional throwing off of impurities on the surface of the dust bag, and thus the high filtering performance of the dust bag cannot be effectively guaranteed. Based on this, the utility model provides a bag dust collector with a detection mechanism to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a bag dust collector with a detection mechanism, aiming to solve the technical problem that when the existing bag dust collector is working, on the one hand, it is not convenient to perform intelligent detection of the blockage degree of the dust collector, and on the other hand, it is not convenient to achieve multi-directional shaking or multi-directional removal of impurities on the surface of the dust bag, and then the high filtering performance of the dust bag cannot be effectively guaranteed.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a bag dust collector with a detection mechanism, comprising a body, an air inlet pipe is installed at the lower part of the body, an exhaust pipe is installed at the top of the body, wind speed sensors are installed inside the air inlet pipe and the exhaust pipe, an air collecting component connected to the exhaust pipe is installed at the upper part of the body, an inner shaft driven by a motor is rotatably connected to the inner wall of the body, an inner gear disc and a group of levers distributed in a circumferential array are sequentially installed on the peripheral side surface of the inner shaft from top to bottom, and a group of regularly distributed bag dust removal modules are installed inside the body;

[0008] The bag dust removal module includes a rotating seat rotatably connected to the device body, an outer toothed disc transmission-connected to the inner toothed disc is fixedly mounted on the circumferential side surface of the rotating seat, an air guide cavity connected to a wind collecting component is fixedly opened inside the rotating seat, an eccentric position of the bottom surface of the air guide cavity is rotatably connected to a rotating drum, a driven gear is fixedly mounted on the circumferential side surface of the rotating drum, a fixed gear ring coaxially arranged with the rotating seat and transmission-connected to the driven gear is fixedly mounted inside the device body, a rotating seat is fixedly mounted on the bottom surface of the rotating drum via a plastic spring, a dust removal bag is mounted between the relative surfaces of the rotating drum and the rotating seat, and a force-bearing rubber rod cooperating with the shifting rod is fixedly mounted on the eccentric position of the bottom surface of the rotating seat.

[0009] Preferably, the air collecting components respectively include an air collecting flow channel opened at the axial position of the inner shaft and a pulse ring cavity opened at the top of the device body, the top of the air collecting flow channel is rotatably connected to the exhaust pipe, the top of each of the air guide cavities is rotatably connected to an induced draft tube, the peripheral side surface of the induced draft tube is fixedly connected to the device body, the peripheral side surface of the air collecting flow channel is rotatably connected to an air collecting ring, each of the induced draft tubes and the relative surfaces of the air collecting ring are fixedly connected with a connecting pipe, the bottom surface of the pulse ring cavity and the axial position corresponding to each rotating seat are fixedly connected to a recoil hose, a plurality of groups of anti-cleaning spray holes distributed in a circular array are opened inside the recoil hose and at a position corresponding to the inner side of the dust bag, and the top of the pulse ring cavity is fixedly connected to a pulse valve.

[0010] Furthermore, the recoil hose is made of soft silicone, and the axis of the recoil spray hole is perpendicular to the rotation axis of the rotary seat.

[0011] Furthermore, a single-chip microcomputer is fixedly mounted on the end surface of the device body, and the data ends of the two wind speed sensors are electrically connected to the single-chip microcomputer.

[0012] Furthermore, the bottom end of the body is fixedly connected to an ash discharge hopper, and the bottom end of the ash discharge hopper is fixedly connected to an ash discharge valve.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the bag dust collector is working, the single chip microcomputer automatically calculates the data difference of the two wind speed sensors. The single chip microcomputer calculates the air flow in the dust collector based on the data difference of the two wind speed sensors. The calculation of the air flow can assist in judging the blockage degree of the bag dust collector.

[0016] 2. The utility model arranges the lever in an eccentric position on the bottom surface of the rotating seat and the eccentric rotation of the rotating drum, so that the action position of the lever on the force-bearing rubber rod is cyclically changed. The reciprocating change of the above-mentioned force-bearing action position allows the shaping spring to be cyclically stressed at multiple angles, and then the dust bag can be multi-directionally shaken or swung under the action of the shaping spring. When the dust bag is in dust removal action, the multi-directional cyclic shaking or multi-directional swinging effect is achieved, so that impurities on the outer surface of the dust bag are multi-directionally swung or shaken off, thereby effectively reducing the blockage of the dust bag and maintaining the high filtration performance of the dust bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a bag dust collector with a detection mechanism according to the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the exhaust pipe and the inner shaft of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 4 For this utility model Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0021] Figure 5 This is a schematic diagram of the structure of the dust removal bag and the lever of the utility model;

[0022] Figure 6 For this utility model Figure 5 A schematic diagram of the local enlarged structure at C in the middle;

[0023] Figure 7 It is a structural schematic diagram of the rotating drum and rotating seat of the utility model.

[0024] The markings in the attached drawings are: 1. body; 2. air inlet pipe; 3. exhaust pipe; 4. wind speed sensor; 5. motor; 6. inner shaft; 7. inner gear plate; 8. lever; 9. rotating seat; 10. outer gear plate; 11. air guide cavity; 12. rotating drum; 13. driven gear; 14. fixed gear ring; 15. shaping spring; 16. rotating seat; 17. dust bag; 18. air collecting channel; 19. pulse ring cavity; 20. induced draft tube; 21. air collecting ring; 22. single chip microcomputer; 23. recoil hose; 24. back-cleaning spray hole; 25. pulse valve; 26. ash discharge valve; 27. force-bearing rubber rod. DETAILED DESCRIPTION

[0025] See also Figure 1 - Figure 7 The specific embodiment is a bag dust collector with a detection mechanism, including a body 1, an air inlet pipe 2 is installed at the lower part of the body 1, an exhaust pipe 3 is installed at the top of the body 1, and wind speed sensors 4 are installed inside the air inlet pipe 2 and the exhaust pipe 3;

[0026] A single-chip microcomputer 22 is fixedly mounted on the end surface of the device body 1, and the data ends of the two wind speed sensors 4 are electrically connected to the single-chip microcomputer 22;

[0027] When working, the single chip computer 22 automatically calculates the data difference of the two wind speed sensors 4. The single chip computer 22 calculates the air flow in the dust collector based on the data difference of the two wind speed sensors 4. The air flow calculation is used to assist in determining the blockage degree of the bag dust collector.

[0028] The bottom end of the body 1 is fixedly connected to an ash discharge hopper, and the bottom end of the ash discharge hopper is fixedly connected to an ash discharge valve 26;

[0029] The upper part of the body 1 is provided with an air collecting component connected with the exhaust pipe 3, the inner wall of the body 1 is rotatably connected with an inner shaft 6 driven by a motor 5, the circumferential side surface of the inner shaft 6 is provided with an inner gear disc 7 and a group of levers 8 distributed in a circumferential array in sequence from top to bottom, and a group of regularly distributed bag dust removal modules are provided inside the body 1;

[0030] The bag dust removal module includes a rotating seat 9 rotatably connected to the body 1, an outer toothed disc 10 drivingly connected to the inner toothed disc 7 is fixedly installed on the peripheral side of the rotating seat 9, an air guide cavity 11 connected to the air collecting component is fixedly opened inside the rotating seat 9, a rotating drum 12 is rotatably connected to the bottom surface of the air guide cavity 11 at an eccentric position, a driven gear 13 is fixedly installed on the peripheral side of the rotating drum 12, and a fixed gear ring 14 coaxially arranged with the rotating seat 9 and drivingly connected to the driven gear 13 is fixedly installed inside the body 1;

[0031] When the rotating seat 9 rotates under the driving action of the inner gear plate 7, the rotating drum 12 and the rotating seat 16 revolve along with the rotating seat 9 on the one hand, and on the other hand, due to the meshing connection between the driven gear 13 and the fixed gear ring 14, the rotating drum 12 and the rotating seat 16 rotate on their own during the revolving process;

[0032] A rotating seat 16 is fixedly mounted on the bottom surface of the rotating drum 12 via a plastic spring 15;

[0033] A dust bag 17 is installed between the opposing surfaces of the rotating drum 12 and the rotating seat 16;

[0034] By setting the shaping spring 15, the dust bag 17 is effectively shaped from the inner side of the dust bag 17;

[0035] A force-bearing rubber rod 27 cooperating with the lever 8 is fixedly installed at an eccentric position on the bottom surface of the rotating seat 16;

[0036] By setting the lever 8 at an eccentric position on the bottom surface of the rotating seat 16 and the eccentric rotation of the rotating drum 12, the lever 8 can cyclically change the action position of the force-bearing rubber rod 27. By reciprocatingly changing the above-mentioned force-bearing action position, the plastic spring 15 can be cyclically stressed at multiple angles, and then the dust bag 17 can be multi-directionally shaken or swung under the action of the plastic spring 15. When the dust bag 17 is in dust removal action, the multi-directional cyclic shaking or multi-directional swinging effect is achieved, so that the impurities on the outer surface of the dust bag 17 are multi-directionally swung or shaken off, thereby effectively reducing the blockage degree of the dust bag 17 and maintaining the high filtering performance of the dust bag 17.

[0037] The air collecting components include an air collecting channel 18 opened at the axial position of the inner shaft 6 and a pulse ring cavity 19 opened at the top of the body 1. The top of the pulse ring cavity 19 is fixedly connected with a pulse valve 25.

[0038] When working, the pulse valve 25 is connected to the external pulse high-pressure air supply device, and the external pulse high-pressure air supply device is used to pulse the high-pressure back-cleaning air flow into the back-flushing hose 23, so as to realize the pulse-type efficient back-flushing self-cleaning of the dust bag 17;

[0039] The top of the air collecting channel 18 is connected to the exhaust pipe 3 in rotation, and the top of each air guiding cavity 11 is connected to the air induced pipe 20 in rotation, and the side surface of the air induced pipe 20 is fixedly connected to the body 1;

[0040] The circumferential side surface of the air collecting flow channel 18 is rotatably connected to an air collecting ring 21, and a connecting pipe is fixedly connected between each air induced exhaust tube 20 and the relative surface of the air collecting ring 21. The bottom surface of the pulse ring cavity 19 and the axial position corresponding to each rotating seat 9 are fixedly connected to a recoil hose 23, and the interior of the recoil hose 23 and the position corresponding to the inner side of the dust removal bag 17 are provided with a plurality of groups of recoil spray holes 24 distributed in a circular array.

[0041] The recoil hose 23 is made of soft silicone, and the axis of the recoil spray hole 24 is perpendicular to the rotation axis of the rotary seat 9.

[0042] During operation, the recoil hose 23 is made of soft silicone material so that the recoil hose 23 can vibrate or swing in multiple directions along with the plastic spring 15 and the dust bag 17:

[0043] When working, the pulse valve 25 is connected to the external pulse high-pressure air supply device, and the external pulse high-pressure air supply device is used to pulse high-pressure back-cleaning air flow into the recoil hose 23, so as to realize the pulse-type efficient recoil self-cleaning of the dust bag 17. When the rotary seat 9 rotates under the driving action of the inner gear plate 7, the rotating drum 12 and the rotating seat 16 revolve with the rotating seat 9 on the one hand, and on the other hand, due to the meshing connection setting of the driven gear 13 and the fixed gear ring 14, the rotating drum 12 and the rotating seat 16 rotate in the process of revolution, and the lever 8 is set at the eccentric position of the bottom surface of the rotating seat 16 and the rotating drum The eccentric rotation setting of 12 can make the action position of the lever 8 on the force-bearing rubber rod 27 change cyclically. Through the reciprocating change of the above-mentioned force-bearing action position, the shaping spring 15 can be subjected to multi-angle cyclic force, and then the dust bag 17 can be multi-directionally shaken or swung under the action of the shaping spring 15. When the dust bag 17 is in dust removal action, the multi-directional cyclic shaking or multi-directional swinging effect is realized, so that the impurities on the outer surface of the dust bag 17 can be multi-directionally swung or shaken off, thereby effectively reducing the blockage degree of the dust bag 17 and maintaining the high filtration performance of the dust bag 17.

[0044] All technical features in this embodiment can be freely combined according to actual needs.

[0045] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A bag filter with a detection mechanism, comprising a body (1), an air inlet pipe (2) is installed at the bottom of the body (1), and an exhaust pipe (3) is installed at the top of the body (1), characterized in that: Wind speed sensors (4) are installed inside the air inlet pipe (2) and the air outlet pipe (3); an air collecting component connected to the air outlet pipe (3) is installed on the upper part of the device body (1); an inner shaft (6) driven by a motor (5) is rotatably connected to the inner wall of the device body (1); an inner gear disc (7) and a group of levers (8) distributed in a circular array are installed on the circumferential side surface of the inner shaft (6) in sequence from top to bottom; and a group of regularly distributed bag dust removal modules are installed inside the device body (1); The bag dust removal module comprises a rotating seat (9) rotatably connected to the device body (1); an outer toothed disc (10) drivingly connected to the inner toothed disc (7) is fixedly mounted on the peripheral side surface of the rotating seat (9); an air guide cavity (11) communicating with the air collecting component is fixedly opened inside the rotating seat (9); a rotating drum (12) is rotatably connected to the bottom surface of the air guide cavity (11) at an eccentric position; a driven gear (13) is fixedly mounted on the peripheral side surface of the rotating drum (12); a fixed gear ring (14) coaxially arranged with the rotating seat (9) and drivingly connected to the driven gear (13) is fixedly mounted inside the device body (1); a rotating seat (16) is fixedly mounted on the bottom surface of the rotating drum (12) via a plastic spring (15); a dust removal bag (17) is mounted between the opposing surfaces of the rotating drum (12) and the rotating seat (16); and a force-bearing rubber rod (27) cooperating with the shifting rod (8) is fixedly mounted on the bottom surface of the rotating seat (16) at an eccentric position.

2. A bag filter with a detection mechanism according to claim 1, characterized in that: The wind collecting components respectively include a wind collecting channel (18) opened at the axial position of the inner shaft (6) and a pulse ring cavity (19) opened at the top of the device body (1); the top end of the wind collecting channel (18) is rotatably connected to the exhaust pipe (3); the top end of each of the air guide cavities (11) is rotatably connected to an air induced pipe (20); the peripheral side surface of the air induced pipe (20) is fixedly connected to the device body (1); the peripheral side surface of the wind collecting channel (18) is rotatably connected to an air collecting ring (21) A connecting pipe is fixedly connected between the relative surfaces of each induced draft tube (20) and the air collecting ring (21); a recoil hose (23) is fixedly connected to the bottom surface of the pulse ring cavity (19) and the axial position corresponding to each rotary seat (9); a plurality of groups of recoil spray holes (24) distributed in a circular array are provided inside the recoil hose (23) and at a position corresponding to the inner side of the dust removal bag (17); and a pulse valve (25) is fixedly connected to the top of the pulse ring cavity (19).

3. A bag filter with a detection mechanism according to claim 2, characterized in that: The recoil hose (23) is made of soft silicone material, and the axis of the recoil spray hole (24) is perpendicular to the rotation axis of the rotary seat (9).

4. A bag filter with a detection mechanism according to claim 3, characterized in that: A single-chip microcomputer (22) is fixedly mounted on the end surface of the device body (1), and the data ends of the two wind speed sensors (4) are electrically connected to the single-chip microcomputer (22).

5. The bag filter with a detection mechanism according to claim 3, characterized in that: The bottom end of the body (1) is fixedly connected to an ash discharge hopper, and the bottom end of the ash discharge hopper is fixedly connected to an ash discharge valve (26).

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