CN214158902U

CN214158902U - Cloth bag dust removal device

Info

Publication number: CN214158902U
Application number: CN202023167143.1U
Authority: CN
Inventors: 郭庆哲; 李策; 董学林; 杨威; 陈景鹏
Original assignee: Hubei Huaxiang Geological Environment Testing Technology Co ltd; Hubei Geology Experimentation&research Institute (wuhan Mineral Resources Supervision And Testing Center Of Ministry Of Land And Resources)
Current assignee: Hubei Huaxiang Geological Environment Testing Technology Co ltd; Hubei Geology Experimentation&research Institute (wuhan Mineral Resources Supervision And Testing Center Of Ministry Of Land And Resources)
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a sack dust collector belongs to the dust removal technology field. The bag-type dust collector comprises a shell, a first air outlet, a first air inlet and a dust collecting piece. The utility model provides a receiving structure is located first air intake lower extreme, be convenient for from first air intake department receipt flue gas, avoid receiving structure backstop flue gas to get into the dust bag, improve the dust removal effect of dust bag, after the sack removes dust and finishes, drive the dust bag through the vibrating structure, thereby make the dust in the dust bag drop, the dust falls to the receiving structure in, thereby be convenient for collect the dust, need not take out the dust bag from the device and cause the dust to drop to the contaminated air in the air, the dust collection effect is better.

Description

Cloth bag dust removal device

Technical Field

The utility model relates to a dust removal technical field, concretely relates to sack dust collector.

Background

The bag-type dust collector is a device for separating dust from flue gas, the performance of the bag-type dust collector is expressed by the amount of gas which can be processed, resistance loss and dust collection efficiency when the gas passes through the bag-type dust collector, and the bag-type dust collector is a common facility in boilers and industrial production. After the bag type dust collector absorbs dust in gas, the more the dust is accumulated, the filtering effect of the bag is reduced, so the bag needs to be cleaned, but the prior bag type dust collector takes the bag out of the device, and the dust is easy to fall off from the bag and enter the air in the taking-out process, thereby polluting the environment.

Chinese patent CN211585657U, published Japanese 2020-9-29 disclose a bag-type dust collector, comprising a bag-type dust collector frame, a bag-type dust collector motor, a bag-type dust collector sealing cover, a support frame, a base, a first fixing plate, a connecting plate, a second fixing plate, a baffle, a threaded column, a first self-locking nut, a threaded hole, a second self-locking nut, a squeezing plate, a spring groove, a compression spring, a clamping plate, a non-slip mat, a coarse filter screen, a fine filter screen, a filter bag, active carbon and a rubber pad, wherein the support frame is fixed on two sides of the bottom of the bag-type dust collector frame through screws, the base is fixed on the bottom of the support frame through screws, the first fixing plate is fixed on one side of the top inside the bag-type dust collector frame through screws, the threaded column is sleeved at the center of the first fixing plate, the bag-type dust collector has a simple structure and convenient operation, and the filter bag rapidly expands instantly after entering air, and along with the reverse action of the airflow, the dust is shaken off, the smell is removed by the active carbon, the dust removal efficiency is higher, and the use by users is convenient. In the shaking-off process of the cloth bag in the patent, dust is easy to fall off from the cloth bag and enter air, so that the environment is polluted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sack dust collector to the not enough of above-mentioned prior art.

The utility model provides a sack dust collector, including the shell, set up in the first air outlet on shell top, set up in the first air intake of shell bottom, set up the piece that removes dust in the shell, the shell includes the bottom plate, and first curb plate, second curb plate, both ends are connected respectively in the third curb plate of first curb plate one end, second curb plate one end, connect in the first dodge gate of the first curb plate other end, remove dust and set up in the second air intake of dust removal bag bottom including setting up the dust removal bag in the shell in first air intake lower extreme, be used for receiving the receiving structure of the dust that falls down from the dust removal bag for drive the dust removal bag so that the dust in the dust removal bag falls down to the vibrating structure in the receiving structure.

Furthermore, the vibration structure comprises a first motor fixed on the first side plate, a motor shaft arranged on the first motor, an eccentric wheel arranged on the motor shaft, a first supporting rod arranged at an eccentric position on the eccentric wheel, a second supporting rod arranged at the top end of the dust removal bag, and a first connecting rod with one end rotatably connected to the first supporting rod and the other end rotatably connected to the second supporting rod.

Further, the vibrating structure further comprises a support frame with the top end connected to the bottom end of the second support rod, one end of the support frame is connected to the top end of the dust removal bag, and the other end of the support frame is connected to the plurality of second connecting rods of the support frame.

Further, the dust removal bag also comprises an opening part used for opening the bottom of the dust removal bag.

Furthermore, the opening part comprises a third support rod connected to the inner side of the dust removal bag, and one end of the third support rod is connected to one end of the first telescopic pushing structure which is used for pushing one end of the inner side wall of the dust removal bag when the third support rod extends.

Further, first flexible pushing structure is close to respectively in first curb plate, second curb plate, the three on the third curb plate for promoting the dust pocket inside wall respectively, prop out the piece and still including being used for promoting the dust pocket inside wall and be close to in the flexible pushing structure of second of first dodge gate.

Further, be equipped with four thread grooves on the third bracing piece, first flexible promotion structure includes the spiro union in the first screw rod of a thread groove, first stripper plate, and one end is connected in first screw rod, the other end in first stripper plate, is used for promoting the first spring of first stripper plate extrusion dust removal bag, the flexible promotion structure of second includes the second screw rod of spiro union in a thread groove, and second stripper plate, one end are connected in second screw rod, the other end in the second stripper plate, are used for promoting the second spring of second stripper plate extrusion dust removal bag.

Further comprises two first clamping plates arranged on the first side plate, two second clamping plates arranged on the second side plate, two third clamping plates arranged on the third side plate, a first clamping groove formed by the two first clamping plates and the first side plate, a second clamping groove formed by the two second clamping plates and the second side plate, a third clamping groove formed by the two third clamping plates and the third side plate, a first mounting plate clamped in the first clamping groove, a second mounting plate clamped in the second clamping groove, and a third mounting plate clamped in the third clamping groove, the other end of the first mounting plate is connected with a first extrusion plate of a first telescopic pushing structure close to the first side plate, the other end of the second mounting plate is connected with a first extrusion plate of a first telescopic pushing structure close to the second side plate, the other end of the third mounting plate is connected to a first extrusion plate of a first telescopic pushing structure close to the third side plate.

Furthermore, the device also comprises a first magnet fixed on the first mounting plate, a second magnet fixed on the second mounting plate and a third magnet fixed on the third mounting plate, wherein a fourth magnet used for adsorbing one of the first magnet, the second magnet and the third magnet is arranged on the first extrusion plate.

Furthermore, the receiving structure comprises a sealing plate for sealing the first air inlet and a dust collection box fixed on the bottom plate.

The utility model discloses a sack dust collector has following beneficial effect:

1. the receiving structure is positioned at the lower end of the first air inlet, so that the flue gas can be conveniently received from the first air inlet, the receiving structure is prevented from stopping the flue gas from entering the dust removal bag, the dust removal effect of the dust removal bag is improved, after the cloth bag is completely removed, the dust removal bag is driven through the vibrating structure, so that dust in the dust removal bag falls off, the dust falls into the receiving structure, the dust is convenient to collect, the dust does not need to be taken out of the device, the dust falls off to the air to pollute the air, and the dust collection effect is better;

2. the first motor rotates to drive the motor shaft, the eccentric wheel is driven, the first support rod is driven to rotate, the height position of the first support rod is changed, the second support rod is driven to move up and down, the dust removal bag is driven to move up and down, dust falls off from the dust removal bag due to vibration, the dust falls into the receiving structure, and when the dust removal bag moves up and down, airflow in the shell is driven to move, the dust is blown to move towards the receiving structure, and the dust collecting efficiency is improved;

3. a first screw rod of a first telescopic pushing structure close to the first side plate is in threaded connection with a threaded groove, a first mounting plate is in clamped connection with a first clamping groove, a first magnet is mounted on the first mounting plate, a fourth magnet for adsorbing the first magnet is arranged on a first extrusion plate of the first telescopic pushing structure close to the first side plate, so that the first extrusion plate close to the first side plate is connected with the first mounting plate, a first spring is extended, so that the first end of the dust removing bag is extruded, a first screw rod of the first telescopic pushing structure close to the second side plate is in threaded connection with a threaded groove, a second mounting plate is in clamped connection with a second clamping groove, a second magnet is mounted on the second mounting plate, a fourth magnet for adsorbing the second magnet is arranged on the first extrusion plate of the first telescopic pushing structure close to the second side plate, so that the first extrusion plate close to the second side plate is connected with the second mounting plate, a first spring is extended, thereby extruding a second end of the dust removal bag, a third screw rod of a third telescopic pushing structure close to a third side plate is screwed in a threaded groove, the third mounting plate is clamped in a third clamping groove, a third magnet is mounted on the third mounting plate, a fourth magnet used for being adsorbed on the third magnet is arranged on a first extrusion plate of the third telescopic pushing structure close to the third side plate, thereby connecting the first extrusion plate close to the third side plate and the third mounting plate together, the first spring is extended, thereby extruding a third end of the dust removal bag, the second screw rod is screwed in a threaded groove, the second spring is extended, thereby pushing the second extrusion plate to extend for a section of length, the fourth end of the dust removal bag is extruded by the second extrusion plate, the opening of a second movable door can not be influenced, when the second support rod moves up and down, the dust removal bag is driven to move up and down, the first mounting plate moves up and down in the first clamping groove, the second mounting panel up-and-down motion in the second draw-in groove, the third mounting panel up-and-down motion in the third draw-in groove improves the efficiency of dust bag clearance dust.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic structural view of a cloth bag dust collector in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a vibration structure connected to a dust removal bag in a bag dust removal device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bag-type dust collector according to an embodiment of the present invention, when a spreader spreads the bottom of a dust-removing bag;

fig. 4 is a schematic structural view of a first telescopic pushing structure in a cloth bag dust collector according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second telescopic pushing structure in a cloth bag dust collector of the embodiment of the present invention.

In the figure: 1-housing, 11-first intake opening, 12-first outlet opening, 13-first side plate, 14-second side plate, 15-third side plate, 2-dust pocket, 3-vibration structure, 31-first motor, 32-motor shaft, 33-eccentric wheel, 34-first support rod, 35-second support rod, 36-first connecting rod, 41-first clamping plate, 411-first clamping groove, 412-first mounting plate, 413-first magnet, 42-second clamping plate, 421-second clamping groove, 422-second mounting plate, 423-second magnet, 43-third clamping plate, 431-third clamping groove, 432-third mounting plate, 433-third magnet, 51-first telescopic pushing structure, 511-first screw, 512-first spring, 513-first extrusion plate, 514-fourth magnet, 52-second telescopic pushing structure, 521-second screw rod, 522-second spring, 523-second extrusion plate, 53-third supporting rod and 6-receiving structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Please refer to fig. 1 to 5. The utility model discloses sack dust collector, which comprises an outer shell 1, set up in the first air outlet 12 on 1 top of shell, set up in the first air intake 11 of 1 bottom of shell, set up the dust removal piece in shell 1, shell 1 includes the bottom plate, first curb plate 13, second curb plate 14, both ends are connected respectively in first curb plate 13 one end, the third curb plate 15 of 14 one end of second curb plate, connect in the first dodge gate of the 13 other ends of first curb plate, dust removal piece is including setting up the dust bag 2 in shell 1, set up in the second air intake of 2 bottoms of dust bag, set up in 11 lower extremes of first air intake, a receiving structure 6 for receiving the dust that falls from dust bag 2, vibration structure 3 in the receiving structure 6 is fallen down to for driving dust bag 2 so that the dust in the dust bag 2.

Here, receiving structure 6 is located 11 lower extremes of first air intake, be convenient for receive the flue gas from 11 departments of first air intake, avoid receiving structure 6 backstop flue gas to get into dust removal bag 2, improve the dust removal effect of dust removal bag 2, after the sack removes dust, drive dust removal bag 2 through vibrating structure 3, thereby make the dust in the dust removal bag 2 drop, the dust falls to receiving structure 6 in, thereby be convenient for collect the dust, need not take out dust removal bag 2 from the device and cause the dust to drop to the contaminated air in the air, the dust collection effect is better.

The vibrating structure 3 may include a first motor 31 fixed to the first side plate 13, a motor shaft 32 disposed on the first motor 31, an eccentric wheel 33 disposed on the motor shaft 32, a first supporting rod 34 disposed at an eccentric position on the eccentric wheel 33, a second supporting rod 35 disposed at the top end of the dust removing bag 2, and a first connecting rod 36 having one end rotatably connected to the first supporting rod 34 and the other end rotatably connected to the second supporting rod 35. First motor 31 rotates, drive motor shaft 32, drive eccentric wheel 33, drive first bracing piece 34 and rotate, thereby change the high position of first bracing piece 34, drive second bracing piece 35 up-and-down motion, thereby drive dust bag 2 up-and-down motion, make the dust receive the vibration and drop from dust bag 2, the dust falls down to receiving structure 6 in, drive the interior air current motion of shell 1 when dust bag 2 up-and-down motion, blow the dust and move towards receiving structure 6, improve dust collection efficiency. The first motor 31 is welded on the first side plate 13, the motor shaft 32 is perpendicular to the first side plate 13, the eccentric wheel 33 is parallel to the first side plate 13, the first support rod 34 is perpendicular to the eccentric wheel 33, the second support rod 35 comprises a first straight rod parallel to the first side plate 13 and a second straight rod perpendicular to the first side plate 13, the first straight rod is connected to the top end of the dust removing bag 2, one end of the second straight rod is connected to the first straight rod, and the other end of the second straight rod is rotatably connected to the first support rod 34.

Vibrating structure 3 can also include that the top is connected in the support frame of second bracing piece 35 bottom, and one end is connected in 2 tops of dust removal bag, the other end is connected in a plurality of second connecting rods of support frame, can connect in dust removal bag 2 through a plurality of second connecting rods like this, improves the stability of dust removal bag 2. The second support bar 35 is connected to the middle of the support frame.

The bag-type dust collector in the embodiment may further include a spreader for spreading the bottom of the dust collection bag 2.

The opening member may include a third support rod 53 connected to the inner side of the dust removing bag 2, and a first telescopic pushing structure 51 having one end connected to one end of the third support rod 53 and used for pushing one end of the inner side wall of the dust removing bag 2 when the third support rod is extended. The central line of the third support bar 53, the central line of the dust removal bag 2 and the central line of the shell 1 are superposed.

First flexible pushing structure 51 can be close to respectively in first curb plate 13, second curb plate 14, the three on the third curb plate 15 for promoting respectively dust pocket 2 inside wall, struts the piece and still includes the flexible pushing structure 52 of second that is used for promoting dust pocket 2 inside wall to be close to first dodge gate.

The third support rod 53 may have four screw grooves, the first telescopic pushing structure 51 includes a first screw 511 screwed to one screw groove, the first pressing plate 513 has one end connected to the first screw 511 and the other end connected to the first pressing plate 513, and a first spring 512 for pushing the first pressing plate 513 to extrude the dust bag 2, the second telescopic pushing structure 52 includes a second screw 521 screwed to one screw groove, and the second pressing plate 523 has one end connected to the second screw 521 and the other end connected to the second pressing plate 523 and a second spring 522 for pushing the second pressing plate 523 to extrude the dust bag 2.

The bag dust collector in this embodiment may further include two first fastening plates 41 disposed on the first side plate 13, two second fastening plates 42 disposed on the second side plate 14, two third fastening plates 43 disposed on the third side plate 15, a first fastening groove 411 defined by the two first fastening plates 41 and the first side plate 13, a second fastening groove 421 defined by the two second fastening plates 42 and the second side plate 14, a third fastening groove 431 defined by the two third fastening plates 43 and the third side plate 15, a first mounting plate 412 fastened to the first fastening groove 411, a second mounting plate 422 fastened to the second fastening groove 421, a third mounting plate 432 fastened to the third fastening groove 431, the other end of the first mounting plate 412 is connected to a first pressing plate 513 close to the first telescopic pushing structure 51 of the first side plate 13, the other end of the second mounting plate 422 is connected to a first pressing plate 513 close to the first telescopic pushing structure 51 of the second side plate 14, the other end of the third mounting plate 432 is connected to the first pressing plate 513 of the first telescopic pushing structure 51 adjacent to the third side plate 15.

The bag-type dust collector in this embodiment may further include a first magnet 413 fixed to the first mounting plate 412, a second magnet 423 fixed to the second mounting plate 422, and a third magnet 433 fixed to the third mounting plate 432, wherein a fourth magnet 514 for attracting one of the first magnet 413, the second magnet 423, and the third magnet 433 is disposed on the first pressing plate 513. A first screw 511 of the first telescopic pushing structure 51 close to the first side plate 13 is screwed to a threaded groove, the first mounting plate 412 is fastened to the first clamping groove 411, the first magnet 413 is mounted on the first mounting plate 412, a fourth magnet 514 for adsorbing the first magnet 413 is arranged on the first pressing plate 513 of the first telescopic pushing structure 51 close to the first side plate 13, so as to connect the first pressing plate 513 close to the first side plate 13 and the first mounting plate 412 together, the first spring 512 is extended, so as to extrude the first end of the dust removing bag 2, the first screw 511 of the first telescopic pushing structure 51 close to the second side plate 14 is screwed to a threaded groove, the second mounting plate 422 is fastened to the second clamping groove 421, the second magnet 423 is mounted on the second mounting plate 422, a fourth magnet 514 for adsorbing the second magnet 423 is arranged on the first pressing plate 513 of the first telescopic pushing structure 51 close to the second side plate 14, thereby connecting the first pressing plate 513 close to the second side plate 14 and the second mounting plate 422 together, extending the first spring 512, thereby pressing the second end of the dust bag 2, wherein the third screw close to the third telescopic pushing structure of the third side plate 15 is screwed to a threaded groove, the third mounting plate 432 is fastened to the third clamping groove 431, the third magnet 433 is mounted on the third mounting plate 432, the fourth magnet 514 attached to the third magnet 433 is disposed on the first pressing plate 513 close to the third telescopic pushing structure of the third side plate 15, thereby connecting the first pressing plate 513 and the third mounting plate 432 close to the third side plate 15 together, extending the first spring 512, thereby pressing the third end of the dust bag 2, wherein the second screw 521 is screwed to a threaded groove, extending the second spring 522, thereby pushing the second pressing plate 523 to extend for a length, and the second pressing plate 523 presses the fourth end of the dust bag 2, the opening of the second movable door cannot be influenced, so that the bottom of the dust removal bag 2 is opened, the flue gas can conveniently enter the dust removal bag 2, meanwhile, the first extrusion plate 513 pushes the first end of the dust removal bag 2 to be attached to the first mounting plate 412, the second end of the dust removal bag 2 is attached to the second mounting plate 422, the third end of the dust removal bag 2 is attached to the third mounting plate 432, the fourth end of the dust removal bag 2 is close to the first movable door, the flue gas is prevented from drifting away from a gap between the dust removal bag 2 and the shell 1, the dust removal bag 2 is driven to move up and down when the second support rod 35 moves up and down, the first mounting plate 412 moves up and down in the first clamping groove 411, the second mounting plate 422 moves up and down in the second clamping groove 421, and the third mounting plate 432 moves up and down in the third clamping groove 431, and the dust cleaning efficiency of the dust removal bag 2 is improved. The first spring 512 and the second spring 522 are both cylindrical coil springs. The four screw grooves of the third support bar 53 are symmetrically arranged.

The receiving structure can comprise a sealing plate used for sealing the first air inlet and a dust collecting box fixed on the bottom plate, and the sealing plate can prevent dust from sliding out of the first air inlet and polluting the external environment when the vibration structure drives the dust removal bag to move up and down and the dust falls down from the dust removal bag.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A cloth bag dust removal device is characterized in that: comprises a shell (1), a first air outlet (12) arranged at the top end of the shell (1), a first air inlet (11) arranged at the bottom end of the shell (1), and a dust removing piece arranged in the shell (1), the shell (1) comprises a bottom plate, a first side plate (13), a second side plate (14), a third side plate (15) with two ends respectively connected with one end of the first side plate (13) and one end of the second side plate (14), a first movable door connected with the other end of the first side plate (13), the dust removal part comprises a dust removal bag (2) arranged in the shell (1), a second air inlet arranged at the bottom end of the dust removal bag (2), a receiving structure (6) arranged at the lower end of the first air inlet (11) and used for receiving dust falling from the dust removal bag (2), the vibration structure (3) is used for driving the dust removal bag (2) to enable dust in the dust removal bag (2) to fall into the receiving structure (6).

2. A bag house dust extraction apparatus according to claim 1, wherein: the vibration structure (3) comprises a first motor (31) fixed on the first side plate (13), a motor shaft (32) arranged on the first motor (31), an eccentric wheel (33) arranged on the motor shaft (32), a first supporting rod (34) arranged at an eccentric position on the eccentric wheel (33), a second supporting rod (35) arranged at the top end of the dust removal bag (2), and a first connecting rod (36) with one end connected to the first supporting rod (34) in a rotating mode and the other end connected to the second supporting rod (35) in a rotating mode.

3. A bag house dust extraction apparatus according to claim 2, wherein: the vibration structure (3) further comprises a support frame with the top end connected to the bottom end of the second support rod (35), and one end of the support frame is connected to the top end of the dust removal bag (2) while the other end of the support frame is connected to the plurality of second connecting rods of the support frame.

4. A bag house dust extraction apparatus according to claim 2 or 3, wherein: also comprises a strutting piece used for strutting the bottom of the dust removal bag (2).

5. A bag house dust extraction apparatus according to claim 4, wherein: the opening piece comprises a third supporting rod (53) connected to the inner side of the dust removal bag (2), and one end of the opening piece is connected to one end of the third supporting rod (53) and used for pushing a first telescopic pushing structure (51) at one end of the inner side wall of the dust removal bag (2) when the opening piece extends.

6. A bag house dust extraction apparatus according to claim 5, wherein: first flexible pushing structure (51) is for promoting respectively dust pocket (2) inside wall to be close to respectively in first curb plate (13), second curb plate (14), three on third curb plate (15), prop up the piece and still including being used for promoting dust pocket (2) inside wall to be close to in the flexible pushing structure (52) of second of first dodge gate.

7. A bag house dust extraction apparatus according to claim 6, wherein: be equipped with four thread grooves on third bracing piece (53), first flexible promotion structure (51) are including first screw rod (511) of spiro union in a thread groove, first stripper plate (513), and one end is connected in first screw rod (511), the other end is connected in first stripper plate (513), is used for promoting first spring (512) that first stripper plate (513) extrudeed dust removal bag (2), the flexible promotion structure of second (52) are including second screw rod (521) of spiro union in a thread groove, second stripper plate (523), and one end is connected in second screw rod (521), the other end is connected in second stripper plate (523), is used for promoting second stripper plate (523) and extrudees second spring (522) of dust removal bag (2).

8. A bag house dust extraction apparatus according to claim 7, wherein: the clamping device further comprises two first clamping plates (41) arranged on the first side plate (13), two second clamping plates (42) arranged on the second side plate (14), two third clamping plates (43) arranged on the third side plate (15), a first clamping groove (411) enclosed by the two first clamping plates (41) and the first side plate (13), a second clamping groove (421) enclosed by the two second clamping plates (42) and the second side plate (14), a third clamping groove (431) enclosed by the two third clamping plates (43) and the third side plate (15), a first mounting plate (412) clamped in the first clamping groove (411), a second mounting plate (422) clamped in the second clamping groove (421), and a third mounting plate (432) clamped in the third clamping groove (431), wherein the other end of the first mounting plate (412) is connected to a first extrusion plate (513) of a first telescopic pushing structure (51) close to the first side plate (13), the other end of the second mounting plate (422) is connected to a first extrusion plate (513) of the first telescopic pushing structure (51) close to the second side plate (14), and the other end of the third mounting plate (432) is connected to a first extrusion plate (513) of the first telescopic pushing structure (51) close to the third side plate (15).

9. A bag house dust extraction apparatus according to claim 8, wherein: the magnetic force sensor is characterized by further comprising a first magnet (413) fixed on the first mounting plate (412), a second magnet (423) fixed on the second mounting plate (422), and a third magnet (433) fixed on the third mounting plate (432), wherein a fourth magnet (514) used for adsorbing one of the first magnet (413), the second magnet (423) and the third magnet (433) is arranged on the first extrusion plate (513).

10. A bag house dust extraction apparatus according to claim 1 or 2, wherein: the receiving structure (6) comprises a sealing plate for sealing the first air inlet (11) and a dust collecting box fixed on the bottom plate.