Dust removal device

Abstract

The utility model relates to the technical field of dust removal equipment, and discloses a dust removal device which comprises a dust removal tank body provided with an air inlet and an air outlet; the fixed panel is arranged in the dust-proof tank body in a sealing manner and divides the dust-proof tank body into an air inlet chamber communicated with the air inlet and an air outlet chamber communicated with the air outlet; the filter bag is arranged in the exhaust chamber, and the bag opening end of the filter bag is communicated with the air inlet chamber; the first rapping device is connected with the dust removal tank body and is used for rapping the upper part of the filter bag; the second rapping device is connected with the fixed panel and is used for rapping the lower part of the filter bag. According to the dust removal device, vibration generated by the dust removal tank body in the dust shaking-off process of the filter bag can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal equipment technical field especially relates to a dust removal device. BACKGROUND

[0002] The dust removal device equipped with the single crystal furnace is generally used for passing the gas of the single crystal furnace into the gas inlet hole in the lower part of the dust removal tank, the filter bag in the dust removal tank filters the impurities in the gas taken out from the furnace body, the dust filtered in the filter bag is shaken off to the tank bottom through the vibration of a certain frequency, and the gas filtered through the filter bag is discharged from the gas outlet hole in the upper part of the dust removal tank.

[0003] However, the dust removal tank body will produce vibration in the filter bag vibration process, and the vibration will be transmitted to the furnace body through the ground, affecting the quality of crystal pulling. SUMMARY

[0004] The utility model provides a dust removal device, reduces the vibration of the dust removal tank body in the process of shaking off the dust of the filter bag.

[0005] In order to solve the above technical problems, the utility model provides a dust removal device, which comprises a dust removal tank body provided with a gas inlet and a gas outlet, a fixed panel sealingly arranged in the dust removal tank body, dividing the dust removal tank body into a gas inlet chamber communicated with the gas inlet and a gas outlet chamber communicated with the gas outlet, a filter bag arranged in the gas outlet chamber, the bag opening end of the filter bag being communicated with the gas inlet chamber, a first vibration device fixedly connected with the dust removal tank body and used for vibrating the upper part of the filter bag, and a second vibration device fixedly connected with the fixed panel and used for vibrating the lower part of the filter bag.

[0006] The first vibration device is connected with the dust removal tank body and used for vibrating the upper part of the filter bag, the second vibration device is connected with the fixed panel and used for vibrating the lower part of the filter bag, the upper part and the lower part of the filter bag are vibrated at the same time, the acting force of the vibration device on the dust removal tank body can be at least partially offset, the vibration of the dust removal tank body can be reduced in operation, and the shaking off effect of the dust on the filter bag is improved.

[0007] As an improvement of the above scheme, the first vibration device comprises a first telescopic driving mechanism and a first telescopic reset member, the first telescopic driving mechanism is connected with the dust removal tank body and used for driving the first telescopic reset member to move back and forth.

[0008] The utility model discloses a first vibration device is set to including first telescopic drive mechanism, first telescopic reset piece's structure, and first telescopic drive mechanism is connected with dust removal tank body for driving first telescopic reset piece to and fro movement can be through the vibration of first vibration device to the upper portion of filter bag and strengthen the dust shake -off effect of effect, and the dust in filter bag also can shake -off in time in the process that first telescopic drive mechanism drives first telescopic reset piece to and fro movement, avoid the dust in filter bag and accumulate too much.

[0009] As the improvement of the above-mentioned scheme, the first vibration device further comprises a first movable panel, the first movable panel is arranged in the exhaust chamber, two ends of the first telescopic reset piece are connected with the first movable panel and the dust removal tank body respectively, and a driving end of the first telescopic drive mechanism is opposite to the first movable panel.

[0010] The utility model discloses a first vibration device is set to including first movable panel, and the driving of first telescopic drive mechanism can drive the first movable panel to vibrate up and down to shake off the dust in filter bag, and the filtering effect is strengthened.

[0011] As the improvement of the above-mentioned scheme, the second vibration device comprises a second telescopic drive mechanism and a second telescopic reset piece, the second telescopic drive mechanism is connected with the filter bag, and is used for driving the second telescopic reset piece to move back and forth.

[0012] The utility model discloses a second vibration device is set to, so that the first vibration device and the second vibration device can vibrate up and down simultaneously, offset the force of the first vibration device to the dust removal tank body, reduce the vibration of dust removal tank body, improve the shake -off effect of dust on filter bag simultaneously, improve the quality of pulling crystal.

[0013] As the improvement of the above-mentioned scheme, the second vibration device further comprises a second movable panel, the second movable panel is movably arranged in the exhaust chamber, the second movable panel is opposite to the first movable panel, and is connected with the filter bag, two ends of the second telescopic reset piece are connected with the second movable panel and the fixed panel respectively, the second telescopic drive mechanism is connected with the fixed panel, and a driving end of the second telescopic drive mechanism is opposite to the second movable panel.

[0014] The utility model discloses a second vibration device is set to including second movable panel, and the driving of second telescopic drive mechanism can drive the second movable panel to vibrate up and down to shake off the dust in filter bag, and the filtering effect is strengthened.

[0015] As the improvement of the above-mentioned scheme, the filter bag is provided with a telescopic section, and the telescopic section is located between the fixed panel and the second movable panel.

[0016] As the improvement of the above-mentioned scheme, the telescopic section is a bellows.

[0017] As an improvement of the above scheme, the telescopic section comprises radially convex mountain-shaped folding parts and radially concave valley-shaped folding parts, and the mountain-shaped folding parts and the valley-shaped folding parts are repeatedly connected along the telescopic direction to form a telescopic channel.

[0018] The utility model discloses a filter bag is set up as telescopic section, and the structure of telescopic section is rationally set up can strengthen the telescopic effect of filter bag, and the dust is shaken off, and the vibration of dust removal tank is reduced.

[0019] As an improvement of the above scheme, the fixed panel is provided with a first through hole corresponding to the filter bag, the second movable panel is provided with a second through hole corresponding to the filter bag, one end of the telescopic section is connected with the first through hole, and the other end is connected with the second through hole.

[0020] As an improvement of the above scheme, the first movable panel is connected with one end of the filter bag away from the bag opening through a traction rope.

[0021] As an improvement of the above scheme, a first guide rod is further included, the first guide rod is connected with the dust removal tank, and the first movable panel is provided with a first through hole matched with the first guide rod.

[0022] The utility model discloses a first guide rod is set up, and the first guide rod is connected with the dust removal tank, and the first movable panel is provided with a first through hole matched with the first guide rod, can make the first movable panel stably move up and down in the exhaust chamber, and reduce the vibration to the dust removal tank.

[0023] As an improvement of the above scheme, a second guide rod is further included, the second guide rod is connected with the fixed panel, and the second movable panel is provided with a second through hole matched with the second guide rod.

[0024] The utility model discloses a second guide rod is set up, and the second guide rod is connected with the fixed panel, and the second movable panel is provided with a second through hole matched with the second guide rod, can make the second movable panel stably move up and down in the exhaust chamber, and reduce the vibration to the dust removal tank.

[0025] As an improvement of the above scheme, the first telescopic drive mechanism is abutted with the first movable panel, and the second telescopic drive mechanism is abutted with the second movable panel.

[0026] As an improvement of the above scheme, a control unit is further included, and the control unit is electrically connected with the first rapping device and the first rapping device.

[0027] The utility model discloses a control unit is connected with first rattle device, second rattle device electricity, can control the rattle time and amplitude of two rattle devices through same control unit simultaneously, to play the effect of eliminating vibration.

[0028] As an improvement of the above-mentioned scheme, the filter bag inner wall is provided with at least one connecting piece.

[0029] As an improvement of the above-mentioned scheme, the connecting piece is arranged along the circumference of the filter bag inner wall, the outer edge of the connecting piece is connected with the filter bag, and the inner edge of the connecting piece forms a dust falling port arranged opposite to the bag port.

[0030] As an improvement of the above-mentioned scheme, the connecting piece is arranged downward from the outer edge to the inner edge.

[0031] The utility model discloses a filter bag inside is provided with at least one connecting piece, and the connecting piece can be used as a funnel type anti-return device, and the impurity dust shaken down falls through the connecting piece and is prevented from being adsorbed to the filter bag again along the air flow.

[0032] As an improvement of the above-mentioned scheme, the inner edge of the connecting piece is provided with an anti-inversion device, the anti-inversion device is used for providing downward traction for the connecting piece, and the anti-inversion device is a wire rope or a weight.

[0033] The utility model discloses a connecting piece inner edge connection anti-inversion device, which can prevent the connecting piece from being turned upward along the air flow by using wire rope downward inclined pull or weight pressure, and improve the filtering effect. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the first embodiment structure schematic diagram of dust collector of the utility model,

[0035] Figure 2 It is the longitudinal section structure schematic diagram of filter bag. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantage of the utility model more clear, the utility model will be described in further detail below in conjunction with the drawings.

[0037] As Figure 1 The utility model discloses an embodiment of dust collector, including dust removal tank body 1, fixed panel 2, filter bag 3, first rattle device 4 and second rattle device 5.

[0038] Among them, dust removal tank body 1 is equipped with air inlet 11 and exhaust port 12.

[0039] The fixed panel 2 is sealingly arranged in the dust removal tank 1, which divides the dust removal tank 1 into an air inlet chamber 13 communicated with the air inlet 11 and an air outlet chamber 14 communicated with the air outlet 12. In some embodiments, the fixed panel 2 can be fixedly arranged in the dust removal tank 1, or can be detachably arranged in the dust removal tank 1, for example, threaded connection, pin connection, buckle connection and key connection between the fixed panel 2 and the dust removal tank 1.

[0040] The filter bag 3 is arranged in the air outlet chamber 14, and the bag opening end of the filter bag 3 is communicated with the air inlet chamber 13.

[0041] The first shaking device 4 is used for shaking the upper part of the filter bag 3, and specifically includes a first telescopic driving mechanism 41, a first telescopic reset member 42, and a first movable panel 43. The first movable panel 43 is movably arranged in the air outlet chamber 14. The two ends of the first telescopic reset member 42 are respectively connected with the first movable panel 43 and the dust removal tank 1. The first telescopic driving mechanism 41 is connected with the dust removal tank 1 and is used for driving the first telescopic reset member 42 to move back and forth. The driving end of the first telescopic driving mechanism 41 is opposite to the first movable panel 43. In some embodiments, the two ends of the first telescopic reset member 42 are fixedly connected with the first movable panel 43 and the dust removal tank 1, or can be detachably connected, for example, threaded connection, pin connection, buckle connection and key connection.

[0042] The second shaking device 5 is used for shaking the lower part of the filter bag 3, and specifically includes a second telescopic driving mechanism 51, a second telescopic reset member 52, and a second movable panel 53. The second movable panel 53 is movably arranged in the air outlet chamber 14. The second movable panel 53 is arranged opposite to the first movable panel 43 and is connected with the filter bag 3. The two ends of the second telescopic reset member 52 are respectively connected with the second movable panel 53 and the fixed panel 2. The second telescopic driving mechanism 51 is connected with the fixed panel 2. The driving end of the second telescopic driving mechanism 51 is opposite to the second movable panel 53. In some embodiments, the two ends of the second telescopic reset member 52 are fixedly connected with the second movable panel 53 and the fixed panel 2, or can be detachably connected, for example, threaded connection, pin connection, buckle connection and key connection. In addition, the connection between the second telescopic driving mechanism 51 and the fixed panel 2 can also be fixedly connected or detachably connected.

[0043] The first vibration device 4 is provided with the first telescopic driving mechanism 41 and the first telescopic reset member 42, the first telescopic driving mechanism 41 drives the first movable panel 43 to move towards the second movable panel 53, and the first telescopic reset member 42 drives the first movable panel 43 to reset, so that the upper part of the filter bag 3 is vibrated; the second vibration device 5 is provided with the second telescopic driving mechanism 51 and the second telescopic reset member 52, the second telescopic driving mechanism 51 drives the second movable panel 53 to move towards the first movable panel 43, and the second telescopic reset member 52 drives the second movable panel 53 to reset, so that the lower part of the filter bag 3 is vibrated; the upper part and the lower part of the filter bag 3 are vibrated at the same time, the vibration force of the vibration device on the dust removal tank body 1 is at least partially offset, the vibration of the dust removal tank body 1 is reduced during operation, and the dust falling effect of the filter bag 3 is improved.

[0044] In some embodiments, the first telescopic driving mechanism 41 and the second telescopic driving mechanism 51 are both gas cylinders, and the first telescopic reset member 42 and the second telescopic reset member 52 are both springs.

[0045] The first vibration device 4 is provided with the first telescopic driving mechanism 41 and the first telescopic reset member 42, the first telescopic driving mechanism 41 drives the first movable panel 43 to move towards the second movable panel 53, and the first telescopic reset member 42 drives the first movable panel 43 to reset, so that the upper part of the filter bag 3 is vibrated; the second vibration device 5 is provided with the second telescopic driving mechanism 51 and the second telescopic reset member 52, the second telescopic driving mechanism 51 drives the second movable panel 53 to move towards the first movable panel 43, and the second telescopic reset member 52 drives the second movable panel 53 to reset, so that the lower part of the filter bag 3 is vibrated; the upper part and the lower part of the filter bag 3 are vibrated at the same time, the vibration force of the vibration device on the dust removal tank body 1 is at least partially offset, the vibration of the dust removal tank body 1 is reduced during operation, and the dust falling effect of the filter bag 3 is improved.

[0046] The first telescopic driving mechanism 41 is connected with the dust removal tank body 1, the driving end of the first telescopic driving mechanism 41 is in abutment with the first movable panel 43, the two ends of the first telescopic reset member 42 are connected with the first movable panel 43 and the dust removal tank body 1 respectively, the first movable panel 43 is matched with the exhaust chamber 14, and the first movable panel 43 is connected with one end of the filter bag 3 away from the bag opening through the traction rope.

[0047] The filter bag 3 is kept standing and full under the action of the air inlet pressure and the pulling force of the pulling rope before the first telescopic driving mechanism 41 is driven; when the first telescopic driving mechanism 41 drives the first movable panel 43 to move downwards along the inner wall of the exhaust chamber 14, the pulling force on the upper part of the filter bag 3 is reduced or even disappears, and the filter bag 3 is deformed; when the driving force of the first telescopic driving mechanism 41 disappears, the first movable panel 43 repeatedly moves up and down in the exhaust chamber 14 under the elastic action of the first telescopic reset member 42, and drives the upper part of the filter bag 3 to elongate and shorten, so that the upper part of the filter bag 3 is shaken. The first shaking device 4 is provided to include the first movable panel 43, and the first movable panel 43 can be driven to vibrate up and down by the first telescopic driving mechanism 41, so as to shake off the dust in the filter bag 3, and the filtering effect is enhanced.

[0048] The first movable panel 43 is provided with a first through hole (not shown in the figure) matched with the first guide rod 15, so that the first movable panel 43 stably moves up and down in the exhaust chamber 14, and the vibration on the dust removal tank body 1 is reduced. It can be understood that the connection mode of the dust removal tank body 1 and the first guide rod 15 can be fixed connection or detachable connection.

[0049] The first movable panel 43 is provided with a first through hole (not shown in the figure) matched with the first guide rod 15, so that the first movable panel 43 stably moves up and down in the exhaust chamber 14, and the vibration on the dust removal tank body 1 is reduced. It can be understood that the connection mode of the dust removal tank body 1 and the first guide rod 15 can be fixed connection or detachable connection.

[0050] Since the filter bag 3, the second telescopic driving mechanism 51 and the second telescopic reset member 52 are all fixed on the fixed panel 2, in order to match the telescopic movement of the second telescopic driving mechanism 51 and the second telescopic reset member 52, the filter bag 3 of the embodiment is provided with a telescopic section 31. The telescopic section 31 of the filter bag 3 is located between the fixed panel 2 and the second movable panel 53, which can be an existing corrugated pipe or other structure.

[0051] For example, the structure of the telescopic section 31 can be a structure formed directly on the filter bag 3, or a structure formed by the filter bag 3 and a support, which includes radially protruding mountain-shaped folded parts and radially concave valley-shaped folded parts, and the mountain-shaped folded parts and the valley-shaped folded parts are repeatedly connected along the telescopic direction to form a telescopic channel.

[0052] The filter bag 3 is provided with a telescopic section, and the structure of the telescopic section is reasonably arranged, so that the telescopic effect of the filter bag 3 is enhanced, the dust is shaken off quickly, and the vibration of the dust removal tank body 1 is reduced.

[0053] The fixed panel 2 is provided with a first through hole 21 corresponding to the filter bag 3, the second movable panel 53 is provided with a second through hole (not shown in the figure) corresponding to the filter bag 3, one end of the telescopic section 31 is connected with the first through hole 21, and the other end is connected with the second through hole.

[0054] For the second shaking device 5, the second telescopic driving mechanism 51 is connected with the fixed panel 2, the driving end of the second telescopic driving mechanism 51 is in abutment with the second movable panel 53, the two ends of the second telescopic reset member 52 are connected with the second movable panel 53 and the fixed panel 2 respectively, and the second movable panel 53 is directly connected with the telescopic section 31 of the filter bag 3.

[0055] The second movable panel 53 is connected with the second telescopic driving mechanism 51, the two ends of the second telescopic reset member 52 are connected with the second movable panel 53 and the fixed panel 2 respectively, and the second movable panel 53 is directly connected with the telescopic section 31 of the filter bag 3.

[0056] The second movable panel 53 is connected with the second telescopic driving mechanism 51, the two ends of the second telescopic reset member 52 are connected with the second movable panel 53 and the fixed panel 2 respectively, and the second movable panel 53 is directly connected with the telescopic section 31 of the filter bag 3.

[0057] The first telescopic driving mechanism 41 and the second telescopic driving mechanism 51 are controlled by the same control unit, and the control unit is electrically connected with the first telescopic driving mechanism 41 and the second telescopic driving mechanism 51 to control the telescopic action of the first telescopic driving mechanism 41 and the second telescopic driving mechanism 51, so that the control of the beating frequency and the beating amplitude is realized. The control unit is electrically connected with the first beating device 4 and the second beating device 5, the beating time and the amplitude of the two beating devices can be controlled by the same control unit at the same time, and the effect of eliminating the vibration is achieved.

[0058] The upper part and the lower part of the filter bag 3 are simultaneously beaten by the control unit, the dust removal effect is better, the upper and lower beating can offset the force of the beating device on the dust removal tank body 1, the vibration of the dust removal tank body 1 in operation is greatly eliminated, on the one hand, the improvement of the dust removal effect can improve the quality of the crystal bar, on the other hand, the elimination of the vibration can increase the yield of the crystal bar, and the dust removal is particularly suitable for the production process of the single crystal furnace.

[0059] In combination Figure 2 In some embodiments, at least one connecting piece 32 is arranged in the filter bag 3 to help guide the impurities and dust falling from the inner wall of the filter bag 3.

[0060] The connecting piece 32 is preferably arranged in a funnel structure, which is arranged along the circumference of the inner wall of the filter bag 3, the outer edge of the connecting piece 32 is connected with the filter bag 3, the inner edge of the connecting piece 32 forms a dust falling port 321 arranged opposite to the bag opening, and the connecting piece 32 is arranged downward from the outer edge to the inner edge. The connecting piece 32 can be used as a funnel type anti-return device, the impurities and dust beaten down can be gathered and guided to the dust falling port 321 to fall down, and the air is prevented from flowing directly to the side wall of the filter bag 3 to prevent the impurities and dust from being adsorbed on the filter bag 3 again.

[0061] In order to maintain the funnel structure of the connecting piece 32, the anti-inversion device is preferably arranged on the inner edge of the connecting piece 32 to provide downward traction for the connecting piece 32. The anti-inversion device can prevent the connecting piece 32 from being turned upward by the air flow by using a wire rope to pull downward or the pressure of a weight, so that the connecting piece 32 is kept inclined downward from the outer edge to the inner edge, the impurities and dust beaten down are guided to fall down, and the filtering effect of the filter bag 3 is improved.

[0062] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, so equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A dust removal device, characterized in that, include: The dust collector tank is equipped with an air inlet and an exhaust outlet; A fixed panel is sealed inside the dust collector, dividing the dust collector into an air inlet chamber that communicates with the air inlet and an exhaust chamber that communicates with the exhaust outlet. A filter bag is disposed in the exhaust chamber, and the bag opening end of the filter bag communicates with the air inlet chamber; The first vibration device is connected to the dust collection tank and is used to vibrate the upper part of the filter bag; The second vibration device is connected to the fixed panel and is used to vibrate the lower part of the filter bag.

2. The dust removal device as described in claim 1, characterized in that, The first vibrating device includes a first telescopic drive mechanism and a first telescopic reset component. The first telescopic drive mechanism is connected to the dust removal tank and is used to drive the first telescopic reset component to move back and forth.

3. The dust removal device as described in claim 2, characterized in that, The first rapping device further includes a first movable panel, which is disposed in the exhaust chamber. The two ends of the first telescopic reset member are respectively connected to the first movable panel and the dust collection tank. The driving end of the first telescopic drive mechanism is opposite to the first movable panel.

4. The dust removal device as described in claim 3, characterized in that, The second vibrating device includes a second telescopic drive mechanism and a second telescopic reset component. The second telescopic drive mechanism is connected to the filter bag and is used to drive the second telescopic reset component to move back and forth.

5. The dust removal device as described in claim 4, characterized in that, The second vibrating device further includes a second movable panel, which is movably disposed in the exhaust chamber. The second movable panel is disposed opposite to the first movable panel and connected to the filter bag. The two ends of the second telescopic reset member are respectively connected to the second movable panel and the fixed panel. The second telescopic drive mechanism is connected to the fixed panel, and the drive end of the second telescopic drive mechanism is opposite to the second movable panel.

6. The dust removal device as described in claim 5, characterized in that, The filter bag is provided with a telescopic section, which is located between the fixed panel and the second movable panel.

7. The dust removal device as described in claim 6, characterized in that, The expansion joint is a corrugated pipe.

8. The dust removal device as described in claim 6, characterized in that, The telescopic section includes a radially protruding mountain-shaped fold and a radially concave valley-shaped fold, which are repeatedly connected along the telescopic direction to form a telescopic channel.

9. The dust removal device as described in claim 6, characterized in that, The fixed panel has a first through hole corresponding to the filter bag, the second movable panel has a second through hole corresponding to the filter bag, one end of the telescopic section is connected to the first through hole, and the other end is connected to the second through hole.

10. The dust removal device as described in claim 3, characterized in that, The first movable panel is connected to the end of the filter bag away from the bag opening via a traction rope.

11. The dust removal device as described in claim 3, characterized in that, It also includes a first guide rod, which is connected to the dust collection tank, and the first movable panel is provided with a first through hole adapted to the first guide rod.

12. The dust removal device as described in claim 5, characterized in that, It also includes a second guide rod, which is connected to the fixed panel, and the second movable panel is provided with a second through hole adapted to the second guide rod.

13. The dust removal device as described in claim 5, characterized in that, The first telescopic drive mechanism abuts against the first movable panel, and the second telescopic drive mechanism abuts against the second movable panel.

14. The dust removal device as described in claim 1, characterized in that, It also includes a control unit, which is electrically connected to the first vibrating device.

15. The dust removal device as described in claim 1, characterized in that, The inner wall of the filter bag is provided with at least one connecting piece.

16. The dust removal device as described in claim 15, characterized in that, The connecting piece is arranged circumferentially along the inner wall of the filter bag, the outer edge of the connecting piece is connected to the filter bag, and the inner edge of the connecting piece forms a dust collection port opposite to the bag opening.

17. The dust removal device as described in claim 16, characterized in that, The connecting piece is arranged downwards from the outer edge to the inner edge.

18. The dust removal device as described in claim 16 or 17, characterized in that, The inner edge of the connecting piece is provided with an anti-rollover device, which is used to provide a downward traction force for the connecting piece.

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