CN209791106U - A bag type pulse dust collector - Google Patents

Abstract

The utility model discloses a bag-type pulse dust collector, which comprises a box body, an air intake pipe is fixedly connected to the lower side of the box body, a support plate is fixedly connected to the inside of the box body, and the middle part of the support plate A disc-shaped receiving plate arranged horizontally is rotatably connected, and there are multiple through holes on the receiving plate, filter bags are arranged on the lower side of the receiving plate corresponding to each through hole, and the upper side of the receiving plate protrudes On the upper side of the support plate, an external gear ring is fixedly connected to the upper peripheral surface of the protruding support plate of the receiving plate, and a servo motor is also fixedly connected to the support plate, the output shaft of the servo motor is set downwards and A drive gear engaged with the outer gear ring is fixedly connected. It has the effect that each filter bag can absorb dust evenly, prolong the service life of the filter bag, and avoid the effect that the service life of the filter bag near the side of the intake pipe is low.

Description

A bag type pulse dust collector

technical field

The utility model relates to the field of powder collection, in particular to a bag-type pulse dust collector.

Background technique

At present, in graphite product processing and manufacturing workshops, graphite products often need to be drilled, planed, sawed and other processing procedures to produce graphite products that meet the standards. However, during the processing of graphite products, a large amount of graphite dust will be suspended in the production workshop. In the air, it pollutes the production environment, endangers the health of production personnel, and wastes graphite resources.

Existing reference can be made to the Chinese patent whose authorized announcement number is CN204411905U, which discloses a powder recovery device. pipe, dust cleaning valve, reverse blowing pipe, dust discharge valve, ash hopper and box. The recovery device box is designed as a cylinder. The top of the box is equipped with an air inlet pipe. The air inlet pipe is connected to the internal air inlet chamber. The top of the box and the lower part of the air intake chamber are welded with an upper flower plate, and a filter is installed between two adjacent upper flower plates, and the bottom of the filter is welded with a lower flower plate, and the ash bucket is connected to the bottom of the box in an inverted bucket shape. An exhaust pipe is arranged at the lower flower plate, an exhaust valve is arranged on the exhaust pipe, and a branch pipe is connected on the exhaust pipe to be an anti-blow pipe. The powder recovery device reduces the volume of the recovery equipment, reduces the weight and cost of the equipment, is simple to operate, low in operation and maintenance costs, reliable in operation, compact in design and reasonable in structure.

However, in the above-mentioned powder recovery device, since there is only one air inlet of the bag filter and its position remains unchanged, the dust-laden fume entering from the air inlet will blow unevenly to the filter bag in the housing, which will cause the dust near the air inlet. There is more dust on the surface of the filter bag, the inner and outer pressure difference reaches the predetermined value faster, and the filter bag far away from the air inlet has less dust accumulation. If it is used for a long time, it will affect the normal use of the bag filter, reduce its working efficiency, and greatly Reduce the life of the filter bag near the air inlet.

Utility model content

The purpose of this utility model is to provide a bag-type pulse dust collector, which has the advantages of making each filter bag absorb dust evenly, prolonging the service life of the filter bag, and avoiding the low life of the filter bag near the intake pipe side.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A bag-type pulse dust collector, including a box body, the lower side of the box body is fixed with an air intake pipe, a support plate is horizontally arranged in the box body, and a horizontally arranged disc-shaped The receiving plate is provided with a plurality of through holes, the lower side of the receiving plate is provided with a filter bag corresponding to each through hole, the upper side of the receiving plate protrudes from the upper side of the supporting plate, and A bevel gear ring is affixed to the upper peripheral surface of the protruding support plate of the receiving plate, and a servo motor is also affixed to the support plate, and the output shaft of the servo motor is affixed to a driving bevel gear meshed with the bevel gear ring.

By adopting the above-mentioned technical scheme, when working, the opening servo motor can drive the bevel gear ring to rotate by driving the bevel gear, thereby driving the receiving plate to rotate, so that each filter bag can pass through the box with the intake pipe fixedly connected with the rotation of the receiving plate. position, so that each filter bag can absorb dust evenly, and has the advantage of avoiding the filter bag near the side of the intake pipe with a lower service life.

The utility model is further configured as follows: one side of the box body is provided with an inspection port, the two inner sides of the box body adjacent to the inspection port are provided with chutes that are horizontally arranged and one end extends out of the inspection port, and the support plate The two sides of the box body are slidingly connected to the chute respectively, and two drive cylinders are fixedly connected to the end of the box body away from the inspection port, and the telescopic rods of the drive cylinders extend into the box body and are fixedly connected to the end of the support plate away from the inspection port.

By adopting the above technical solution, when the filter bag needs to be replaced, the drive cylinder drives the telescopic rod to extend so that one end of the support plate extends out of the inspection port, and the filter bag can be replaced conveniently. After the filter bag is replaced, the drive cylinder drives the support again The board can be retracted into the box.

The utility model is further set as: the upper side of the support plate is provided with a plurality of nozzles, the positions of the nozzles corresponding to the through holes are fixedly connected with nozzles, and one end of the nozzles extends out of the box body and is fixedly connected to There are gas tanks.

By adopting the above technical scheme, when working, when the dust on the filter bag needs to be cleaned, the servo motor is stopped, and the high-pressure gas is delivered to the air pipeline through the gas storage tank, and the high-pressure gas can be transported to the nozzle through the air distribution pipe, and then from the Each nozzle is sprayed into the filter bag, so that the dust on the filter bag can be cleaned from the filter bag, which is convenient to use.

The utility model is further configured as follows: an inspection door is arranged on the outside of the inspection opening, one side of the inspection door is snap-connected to the box body, and the other side is hinged to the box body.

By adopting the above technical solution, when the corresponding filter bag needs to be replaced or repaired, the side door can be opened to conveniently replace and repair the filter bag in the box.

The utility model is further configured as follows: the outside of the filter bag is provided with an elastic helical sleeve, the lower end of the elastic helical sleeve is slightly higher than the lower end of the inspection port, and the elastic helical sleeve is detachably connected to the support plate.

By adopting the above scheme, an elastic helical sleeve is provided on the outer side of the filter bag. The elastic helical sleeve can protect the filter bag and can also position the filter bag. In addition, when the nozzle sprays the filter bag When the filter bag collides with the elastic helical sleeve, the elastic helical sleeve can vibrate and hit the outside of the filter bag, increasing the fall of dust.

The utility model is further configured as follows: the outer side wall of the box close to the inspection port is also fixed with an air intake pipe, the air intake pipe is arranged under the filter bag, and the end of the air intake pipe away from the box body is also fixedly connected with a first exhaust fan .

By adopting the above scheme, the dust-laden gas can be sucked into the box from the intake pipe by the first exhaust fan, and by setting the intake pipe under the filter bag, the dust can be isolated from the bottom of the box through the filter bag, and the structure is simple. Easy to use.

The utility model is further configured as follows: one side of the box body is also fixed with an air outlet pipe, the air outlet pipe is arranged above the support plate, and the end of the air outlet pipe far away from the box body is also fixedly connected with a second exhaust fan.

By adopting the above scheme, the dust-laden gas can be filtered through the filter bag under the support plate, and the purified gas is drawn from the outlet pipe above the support plate by the second exhaust fan, which accelerates the fluidity of the gas and improves the use efficiency .

The utility model is further configured as: a valve is fixedly connected between the spray pipe and the gas storage tank.

By adopting the above solution, the on-off of the spray pipe can be conveniently controlled by the provided valve, thereby controlling the off-off of the nozzle, and furthermore, the cleaning of the filter bag can be conveniently controlled, the structure is simple, and the operation is convenient.

The utility model is further configured as follows: an ash hopper is fixed under the box body, and the ash hopper is in an inverted cone shape.

By adopting the above-mentioned scheme, by setting an inverted cone-shaped ash hopper under the box body, the dust falling from the filter bag can be easily gathered and collected, and the structure is simple and easy to use.

The utility model is further configured as follows: a discharge port is provided under the ash hopper, and a baffle plate capable of blocking the discharge port is slidably connected to the discharge port.

By adopting the above scheme, a discharge port is provided under the ash hopper, which can facilitate the discharge of dust in the ash hopper, and the shut-off of the discharge port can also be conveniently controlled through the baffle plate, with a simple structure and convenient use.

In summary, the utility model has the following beneficial effects:

1. When working, turn on the servo motor to drive the bevel gear ring to rotate by driving the bevel gear, thereby driving the receiving plate to rotate, so that each filter bag can pass through the position where the air intake pipe is fixed in the box with the rotation of the receiving plate, so that Make each filter bag absorb dust evenly, which has the advantage of avoiding the lower service life of the filter bag near the intake pipe side;

2. When the filter bag needs to be replaced, the drive cylinder drives the telescopic rod to extend so that one end of the support plate extends out of the inspection port, and the filter bag can be replaced conveniently. After the replacement of the filter bag, the drive cylinder drives the support plate back to the Just inside the box;

3. When working, when the dust on the filter bag needs to be cleaned, the servo motor is stopped, and the high-pressure gas is delivered to the gas pipeline through the gas storage tank. The high-pressure gas can be transported to the nozzle through the gas distribution pipe, and then sprayed from each nozzle. Into the filter bag, so that the dust on the filter bag can be cleaned from the filter bag, which is convenient to use.

Description of drawings

Fig. 1 is the schematic diagram of highlighting the overall structure in the embodiment;

Fig. 2 is the schematic diagram highlighting filter device among the embodiment;

Fig. 3 is a schematic diagram highlighting the dust removal device in the examples.

In the figure, 1, frame; 2, box body; 21, inspection port; 22, inspection door; 23, chute; 231, drive cylinder; 24, air intake pipe; 241, first exhaust fan; 25, air outlet pipe; 251. Second exhaust fan; 3. Filtration device; 31. Support plate; 311. Servo motor; 312. Driving bevel gear; 32. Accepting plate; 321. Bevel gear ring; 322. Through hole; 33. Filter bag; 34 , elastic spiral sleeve; 4, dust removal device; 41, gas storage tank; 42, nozzle; 421, nozzle; 43, connecting pipe; 431, valve; 5, ash hopper; 51, discharge port; 511, strip hole ; 52, baffle.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Embodiment: A bag-type pulse dust collector, referring to FIG. 1 , includes a frame 1 and a box body 2 fixedly connected to the frame 1 .

1 and 2, a filtering device 3 is provided inside the box body 2, and an inspection port 21 is provided at the position corresponding to the filtering device 3 in the box body 2, and an inspection door 22 is arranged on the outside of the inspection port 21, and the upper end of the inspection door 22 rotates It is connected to the box body 2 , and the lower end of the maintenance door 22 is snapped connected to the box body 2 .

Referring to Fig. 2 and Fig. 3, there are horizontally arranged chute 23 on both inner sides of the box body 2 close to the inspection port 21, and the filter device 3 includes a support plate 31 which is horizontally arranged and slidably connected to the chute 23 on both sides. Two drive cylinders 231 are also fixedly connected to the side of the box body 2 away from the inspection port 21. The telescopic rods of the two drive cylinders 231 can extend into the box body 2 and are fixedly connected to the end of the support plate 31 away from the inspection port 21. The support plate The middle part of 31 is rotatably connected with a disc-shaped receiving plate 32 arranged horizontally. The bevel gear ring 321, the bevel gear ring 321 is coaxial with the receiving plate 32, the supporting plate 31 is also fixedly connected with a horizontally arranged servo motor 311, the servo motor 311 is fixedly connected with a driving bevel gear 312, and the driving bevel gear 312 meshes with the bevel gear ring 321 .

The lower bottom surface of the receiving plate 32 corresponds to each through hole 322 and is respectively bolted with a plurality of filter bags 33 whose upper ends communicate with the through holes 322. The filter bags 33 are cylindrical and the lower ends are sealed. The outer side of the filter bag 33 is also covered with an elastic spiral sleeve 34. The upper end of the elastic helical sleeve 34 is also bolted to the bottom surface of the support plate 31, and the lower end of the elastic helical sleeve 34 is higher than the lower end of the inspection port 21. When in use, the servo motor 311 drives the driving bevel gear 312 to rotate and can drive the bevel gear ring 321 to rotate, thereby Drive the receiving plate 32 to rotate, and then can drive each filter bag 33 to rotate with the receiving plate 32 .

An air inlet pipe 24 is fixed on the side wall adjacent to the inspection port 21 of the box body 2, and an air outlet pipe 25 is fixed on the other side wall adjacent to the inspection port 21 of the box body 2, and the air inlet pipe 24 is arranged on the filter bag 33 and the outside of the air inlet pipe 24 is also fixedly connected with a first exhaust fan 241, and the outer side of the box body 2 is also fixedly connected with a first motor base at the position corresponding to the first exhaust fan 241, and the first exhaust fan 241 is fixedly connected with the first motor base , the air outlet pipe 25 is arranged on the top of the support plate 31 and the outside of the air outlet pipe 25 is also fixedly connected with a second exhaust fan 251, and a second motor seat is fixedly installed at the position corresponding to the second exhaust fan 251 on the outside of the box body 2, and the second exhaust fan 251 is fixedly connected to the second motor base. During use, the first exhaust fan 241 can suck the dusty gas into the box body 2 from the air inlet, and the second exhaust fan 251 can suck the purified gas out of the box body 2 from the air outlet pipe 25 .

There is also a dust removal device 4 above the filter device 3, the dust removal device 4 includes an air storage tank 41 and a plurality of nozzles 42, a support seat is fixedly connected to the side wall of the box body 2 away from the inspection port 21, and the gas storage tank 41 is fixedly connected On the support seat, a plurality of nozzles 42 are horizontally arranged above the support plate 31, and a plurality of nozzles 421 are fixed on the nozzles 42, and the nozzles 421 are respectively arranged above the through holes 322, and the upper ends of the nozzles 42 are also fixedly connected to the box. The side wall of 2 extends out of the side wall of the box body 2 and is jointly connected with a connecting pipe 43. The lower end of the connecting pipe 43 is also fixedly connected to the gas storage tank 41. The connecting pipe 43 is also fixedly connected with a valve 431. When in use, open the valve 431 , the high-pressure gas in the gas storage tank 41 can be sprayed into the through holes 322 through multiple nozzles, thereby spraying into the filter bag 33, thereby spraying the dust on the filter bag 33, so that the dust is separated from the filter bag 33, when needed When closing the gas storage tank 41, it can be realized by closing the valve 431.

The bottom of the box body 2 is fixed with an ash hopper 5, the ash hopper 5 is in the shape of an inverted cone, and the bottom of the ash hopper 5 is provided with a discharge port 51, and one side of the discharge port 51 is provided with a strip-shaped hole 511, and the strip-shaped hole 511 is inserted into a There are baffles, the two inner walls of the discharge port 51 near the strip hole 511 are respectively provided with rectangular grooves, the two sides of the baffle are slidingly connected to the rectangular grooves, when in use, the baffles can be pulled out to make the dust in the ash hopper 5 Fall from discharge opening 51.

Working process: when working, turn on the servo motor 311 to drive the bevel gear ring 321 to rotate by driving the bevel gear 312, thereby driving the receiving plate 32 to rotate, so that each filter bag 33 can be fixed through the box body 2 in sequence with the rotation of the receiving plate 32 There is the position of the intake pipe 24, at the same time, the dust-laden gas is pumped from the intake pipe 24 into the box body 2 through the first exhaust fan 241, and the dust-laden gas is filtered through the filter bag 33 in the box body 2, and the dust is adsorbed on the filter bag 33 on the outer surface, the purified gas flows out from the through hole 322 on the support plate 31, and then the purified gas is extracted from the outlet pipe 25 to the box body 2 through the second exhaust fan 251. When dust needs to be collected, the first The exhaust fan 241 and the second exhaust fan 251, and then open the valve 431, so that the high-pressure gas in the air storage tank 41 is sprayed into the filter bag 33 through the nozzle 421, and the dust adsorbed on the filter bag 33 is dropped to the ash through the high-pressure gas. Bucket 5, finally open the baffle plate on the discharge port 51 to open the discharge port 51 to collect dust. When the support plate 31 needs to be overhauled, the side door can be opened, and then the telescopic rod of the drive cylinder 231 is extended to drive the support The two sides of the filter bag slide out of the inspection port 21 along the chute 23, so that one end of the support plate 31 slides out of the inspection port 21, and then, the damaged filter bag 33 is easily removed and replaced.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (10)

1. A bag-type pulse dust collector, comprising a casing (2), is characterized in that: the lower side of the casing (2) is affixed with an air intake pipe (24), and the inside of the casing (2) is horizontally A support plate (31) is provided, and the middle part of the support plate (31) is rotatably connected with a horizontally arranged disc-shaped receiving plate (32). The receiving plate (32) is provided with a plurality of through holes (322). Filter bags (33) are provided at the positions corresponding to the through holes (322) on the lower side of the receiving plate (32), and the upper side of the receiving plate (32) protrudes from the upper side of the supporting plate (31), and accepts A bevel gear ring (321) is fixedly connected to the peripheral surface position on the upper side of the protruding support plate (31) of the plate (32), and a servo motor (311) is also fixedly connected to the support plate (31), and the servo motor (311 ) is fixedly connected with a driving bevel gear (312) meshing with the bevel gear ring (321). 2. A bag-type pulse dust collector according to claim 1, characterized in that: one side of the box (2) is provided with an inspection port (21), and the box (2) and the inspection port ( 21) The two adjacent inner sides are provided with chute (23) which is horizontally arranged and one end extends out of the inspection port (21). Two drive cylinders (231) are fixedly connected to the end of the box body (2) away from the inspection port (21), and the telescopic rods of the drive cylinders (231) extend into the box body (2) and are fixedly connected to the support plate (31) away from the One end of the inspection port (21). 3. A bag-type pulse dust collector according to claim 1, characterized in that: a plurality of nozzles (42) are arranged on the upper side of the support plate (31), and the nozzles (42) correspond to each channel Nozzles (421) are affixed to the positions of the holes (322), and one end of the nozzle pipe (42) extends out of the casing (2) and is affixed to an air storage tank (41). 4. A bag-type pulse dust collector according to claim 2, characterized in that: an inspection door (22) is provided outside the inspection port (21), and one side of the inspection door (22) is buckled connected to The box body (2), and its other side is hinged to the box body (2). 5. A bag-type pulse dust collector according to claim 1, characterized in that: the outside of the filter bag (33) is provided with an elastic helical sleeve (34), and the lower end of the elastic helical sleeve (34) Slightly higher than the lower end of the inspection port (21), the elastic spiral sleeve (34) is detachably connected to the support plate (31). 6. A bag-type pulse dust collector according to claim 5, characterized in that: the outer wall of the box (2) close to the inspection opening (21) is also fixed with an air inlet pipe (24), and the inlet The air pipe (24) is arranged below the filter bag (33), and the end of the air inlet pipe (24) away from the box body (2) is also fixedly connected with a first exhaust fan (241). 7. A bag-type pulse dust collector according to claim 6, characterized in that: one side of the box (2) is also fixed with an air outlet pipe (25), and the air outlet pipe (25) is arranged on Above the support plate (31), the end of the air outlet pipe (25) away from the box (2) is also fixedly connected with a second exhaust fan (251). 8. A bag-type pulse dust collector according to claim 3, characterized in that: a valve (431) is fixedly connected between the nozzle pipe (42) and the gas storage tank (41). 9. A bag-type pulse dust collector according to claim 1, characterized in that: an ash hopper (5) is fixed under the box body (2), and the ash hopper (5) is in the shape of an inverted cone. 10. A bag-type pulse dust collector according to claim 9, characterized in that: a discharge port (51) is provided under the ash hopper (5), and the discharge port (51) is also slidably connected with a Can block the baffle plate (52) of discharge port (51).