CN220386154U - Pulse dust fall device of stirring station - Google Patents

Abstract

The utility model relates to a dust fall equipment field specifically discloses a stirring station pulse dust fall device, which comprises a box body, wherein an air inlet and an air outlet are arranged on the box body, a rectangular partition plate is welded between the air inlet and the air outlet in the box body, a filter bag is connected on the partition plate, a pulse blowing component for blowing high-pressure gas is fixedly connected on the box body, and a plurality of blowing heads are arranged on the pulse blowing component corresponding to the filter bag; the box body is provided with an extraction opening, the box body is connected with an exhaust pipe at the extraction opening, the exhaust pipe is connected with an exhaust fan, and an ash collecting box is connected at an air outlet of the exhaust fan; when needs are to the dust that shakes off on the filter bag with higher speed subsides, can close the air inlet at first, control the solenoid valve simultaneously and open, then start the air exhauster for dust and air on the filter bag are taken out to the exhaust column, have reduced the dust that floats near the filter bag, and this application has solved on the filter bag and has tremshed the dust that falls easily and re-adsorb on the filter bag problem.

Description

Pulse dust fall device of stirring station

Technical Field

The application relates to the field of dust fall equipment, in particular to a pulse dust fall device of a stirring station.

Background

The mixing plant is commonly used for producing concrete, and in the concrete production process, dust is easy to produce, and the pulse dust device is often used for dust fall to the dust, reduces the dust of discharging into the environment.

The common pulse dust settling equipment comprises a box body, wherein the lower side of the box body is provided with an opening and is connected with an ash collecting cylinder, the box body is respectively provided with an air inlet for dust to enter the box body and an air outlet for clean air to exit the box body, the box body is internally provided with a partition plate for separating the air inlet from the air outlet, the partition plate is provided with a gas passing port, one side of the partition plate, which faces the air inlet, is connected with a filter bag frame at the gas passing port, the filter bag frame is sleeved with a filter bag, and the filter bag can block dust flowing to the gas passing port on the filter bag; still be equipped with pulse jetting subassembly on the box, and pulse jetting subassembly is connected with the jetting pipe, and the jetting pipe is located the box, and the jetting pipe is located the top of baffle, corresponds the gas port on the jetting pipe and is equipped with the jetting head, when the dust is more on the filter bag, closes the air inlet and starts pulse jetting subassembly, the jetting head spouts the air to the filter bag, can make the filter bag expand rapidly and take place the vibrations for dust on the filter bag trembles off from the filter bag and falls to in the dust collection section of thick bamboo.

With the above related art, when smaller dust particles shake off the filter bag, the settling speed of the smaller dust particles is slow, and when the air inlet is opened, the smaller particles are easy to be re-adsorbed on the filter bag, resulting in the reduction of the dust cleaning efficiency of the filter bag.

Disclosure of Invention

In order to solve the problem that the dust settlement speed that shakes off on the filter bag is slower, this application provides a stirring station pulse dust device.

The application provides a stirring station pulse dust device adopts following technical scheme:

the utility model provides a stirring station pulse dust device, includes the box, installs in the baffle in the box and installs the filter bag in baffle one side, still includes exhaust column and air exhauster, set up the extraction opening on the box, the extraction opening is located the filter bag is kept away from one side of baffle, the one end of exhaust column with extraction opening intercommunication, the other end with the air intake intercommunication of air exhauster, be equipped with the solenoid valve on the exhaust column, the air outlet department of air exhauster is connected with and is used for right the dust collection box that extraction opening exhaust dust was collected.

By adopting the technical scheme, when the dust shaken off on the filter bag is required to be sunk, the electromagnetic valve can be controlled to be opened, then the air extractor is started, negative pressure can be formed at the air extraction opening in the box body, the dust and air in the box body are pumped to the air extraction opening, the air and the dust in the box body are pumped into the exhaust pipe, and then the dust enters the dust collecting box through the air extractor; the small dust particles suspended in the box body are reduced, dust shaken off from the filter bag is reduced to be adsorbed onto the filter bag again, and the problem that the sedimentation speed of the dust shaken off from the filter bag is low is solved as a whole.

Optionally, an exhaust port is formed in the ash collecting box, and a filter screen is arranged at the exhaust port of the ash collecting box.

Through adopting above-mentioned technical scheme, enter into the gas and the dust in the album ash box and fly to the gas vent, the filter screen can filter the air that flies out the gas vent to collect the dust in album ash box, be convenient for carry out unified processing to the dust, reduced the dust of arranging in the air.

Optionally, the dust collection box outside in gas vent department is connected with the blast pipe, the cover is equipped with the collar on the blast pipe, filter screen fixed connection is on the inner peripheral wall of collar, the internal thread has been seted up to the collar inboard, the external screw thread has been seted up on the outer peripheral wall of blast pipe, the blast pipe with collar screw thread adaptation.

By adopting the technical scheme, the filter screen can be conveniently mounted on the ash collecting box by rotating the mounting ring; the installation ring is reversely rotated, so that the installation ring and the filter screen can be conveniently taken down from the dust collecting box, and an operator can conveniently maintain or replace the filter screen.

Optionally, the extraction opening is located the filter bag is kept away from one side of baffle, the box is internal to be fixedly to be equipped with the ash blocking board, the ash blocking board is located the extraction opening with between the filter bag.

Through adopting above-mentioned technical scheme, through the ash blocking board, can reduce the dust that falls to the extraction opening, reduce the jam of dust to the extraction opening, ensured the unobstructed of extraction opening.

Optionally, the height of the ash blocking plate gradually decreases towards a direction away from the air extraction opening.

Through adopting above-mentioned technical scheme, the great dust granule that falls on the ash blocking plate can be along with the slope whereabouts of ash blocking plate, has reduced the piling up of the dust on the ash blocking plate.

Optionally, the box is also provided with a water mist dust falling component for spraying water mist, and the water mist dust falling component is positioned between the ash blocking plate and the filter bag.

Through adopting above-mentioned technical scheme, when the subsidence of the dust that shakes down on the box filter bag needs to accelerate, water smoke dust fall subassembly can spout water smoke, and water smoke can combine together with tiny dust granule, has increased the quality of dust granule, has accelerated the subsidence of dust granule, has reduced the dust granule that enters into in the exhaust tube.

Optionally, the water spray dust fall subassembly includes spray pipe and shower nozzle, the spray pipe is located the filter bag with keep off between the ash board, the shower nozzle is located the spray pipe is kept away from one side of filter bag.

Through adopting above-mentioned technical scheme, when the shower nozzle was opened, can spout the spray pipe with the spray pipe in the water and keep away from one side of filter bag, reduced the water smoke that adheres to on the filter bag, ensured the filter effect of filter bag to the dust.

Optionally, the spray heads are provided with a plurality of spray heads along the extending direction of the spray pipe.

Through adopting above-mentioned technical scheme, a plurality of shower nozzles mutually support, can make the spray pipe keep away from the spraying of one side of filter bag more even for the dust is more easily adsorbed with water smoke.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the filter bag needs to be subjected to accelerated sedimentation, the electromagnetic valve can be controlled to be opened first, then the exhaust fan is started, and negative pressure can be formed at the exhaust opening in the box body, so that dust and communication air shaken off from the filter bag are pumped into the exhaust fan together, the sedimentation of dust and communication air shaken off from the filter bag is accelerated, dust particles near the filter bag are reduced, and the problem that the dust and communication air shaken off from the filter bag is easy to be re-adsorbed on the filter bag is solved;

2. the filter screen can be conveniently mounted on the ash collecting box by rotating the mounting ring; the installation ring is reversely rotated, so that the installation ring and the filter screen can be conveniently taken down from the dust collection box, and an operator can conveniently replace the filter screen;

3. the ash blocking plate can reduce dust falling to the extraction opening, reduces blockage of the dust to the extraction opening, and ensures smoothness of the extraction opening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic view showing a partial structure of the connection inside the case according to the embodiment of the present application.

Reference numerals: 1. a case; 11. an air inlet; 12. an air outlet; 13. an extraction opening; 14. a water inlet; 2. a partition plate; 21. a gas passing port; 22. a filter bag; 3. a pulse blowing assembly; 31. a blowing pipe; 32. a blowing head; 4. an exhaust tube; 41. an electromagnetic valve; 42. an exhaust fan; 5. an ash collecting box; 51. an exhaust port; 52. an exhaust pipe; 53. a mounting ring; 54. a filter screen; 6. a water mist dust fall component; 61. a water spray pipe; 62. a spray head; 7. an ash blocking plate; 8. a door; 9. a hasp.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a stirring station pulse dust device. Referring to fig. 1 and 2, the pulse dust device of the mixing station comprises a box body 1, wherein an air inlet 11 and an air outlet 12 are sequentially formed in one side of the box body 1 from top to bottom, a rectangular partition plate 2 is welded between the air inlet 11 and the air outlet 12 in the box body 1, the periphery of the partition plate 2 is connected with the box body 1 in a sealing manner, an air passing port 21 is formed in the partition plate 2, a plurality of air passing ports 21 are formed in the partition plate 2, a filter bag 22 is connected to the lower side of the partition plate 2 at the air passing port 21, the filter bag 22 is positioned on the lower side of the partition plate 2, and the opening of the filter bag 22 is rectangular; the box body 1 is fixedly connected with a pulse blowing assembly 3 for blowing high-pressure gas, the pulse blowing assembly 3 is connected with blowing pipes 31, the lower sides of the blowing pipes 31 are provided with a plurality of blowing heads 32 in one-to-one correspondence with the filter bags 22, and the blowing pipes 31 can be provided with a plurality of groups in parallel along the length direction of the openings of the crawler belt, so that the cleaning effect of the spray heads 62 on the filter bags 22 is improved; when it is desired to clean the filter bag 22, the blowing assembly may be controlled such that the blowing head 32 blows out gas toward the filter bag 22, causing the filter bag 22 to expand and shake off dust adhering to the filter bag 22; an exhaust opening 13 is formed in the side wall of the box body 1, an exhaust tube 4 is connected to the box body 1 at the exhaust opening 13, an electromagnetic valve 41 is arranged on the exhaust tube 4, an exhaust fan 42 is connected to one end, far away from the box body 1, of the exhaust tube 4, an air inlet of the exhaust fan 42 is communicated with the exhaust tube 4, and a rectangular ash collecting box 5 is connected to an air outlet of the exhaust fan 42; when the shaken-off dust on the filter bag 22 needs to be quickly settled, the air inlet 11 can be closed firstly, the electromagnetic valve 41 is controlled to be opened simultaneously, then the exhaust fan 42 is started, negative pressure can be formed at the exhaust opening 13, and meanwhile, the dust and air on the filter bag 22 are pumped to the exhaust fan 4, so that the dust floating near the filter bag 22 is reduced, and the problem that the sedimentation speed of the shaken-off dust on the filter bag 22 is lower is solved.

The box body 1 is internally provided with a water mist dust fall component 6, the water mist dust fall component comprises a spray pipe 61 and a spray head 62 arranged on the spray pipe 61, the spray pipe 61 penetrates through the side wall of the box body 1 and is connected with a water source, the box body 1 is provided with a water inlet 14 through which the spray pipe 61 penetrates, the spray pipe 61 is provided with a plurality of spray pipes, the spray pipe 61 is lower than the filter bag 22, the spray pipe 61 is positioned above the extraction opening 13, the spray head 62 is arranged on the lower side of the spray pipe 61, the spray head 62 is provided with a plurality of spray heads 62 along the extending direction of the spray pipe 61, and the spray heads 62 are matched, so that the water mist on the lower side of the spray pipe 61 is more uniform, and dust is easier to contact with the water mist; when the exhaust fan 42 is opened, the spray head 62 is opened, and when the dust falling on the filter bag 22 reaches the lower side of the water spray pipe 61, the water mist sprayed by the spray head 62 contacts with the dust, so that the weight of the dust is increased, the dust is accelerated to be deposited downwards, and the dust entering the air extraction opening 13 is reduced.

Referring to fig. 2, in order to reduce dust and fall into the extraction opening 13, still the welding has the ash blocking plate 7 inside the box 1, and the ash blocking plate 7 is located the lateral wall at extraction opening place, and the height of ash blocking plate 7 reduces gradually from extraction opening 13 towards the direction of keeping away from extraction opening 13, and ash blocking plate 7 can keep off the dust that falls to extraction opening 13, and can slide the below of ash blocking plate 7 along the incline direction of ash blocking plate 7 after great dust granule falls to ash blocking plate 7, has reduced the dust of piling up on the ash blocking plate 7.

Referring to fig. 1 and 2, an exhaust port 51 is formed on the upper side of the ash collecting box 5, an exhaust pipe 52 is connected to the ash collecting box 5 at the exhaust port 51, a mounting ring 53 is sleeved outside the exhaust pipe 52, an inner thread is formed on the inner peripheral wall of the mounting ring 53, an outer thread is formed on the outer peripheral wall of the exhaust pipe 52, the mounting ring 53 is coaxially sleeved on the exhaust pipe 52, a filter screen 54 is fixedly connected to the inner side of the mounting ring 53, and the filter screen 54 is located on the upper side of the exhaust pipe 52.

When the exhaust fan 42 is started, dust and air can be pumped into the exhaust fan 4 by the exhaust fan 42, further, air in the exhaust fan 4 sequentially enters the exhaust fan 42 and the dust collecting box 5 along the exhaust fan 4, the air is discharged to the outer side of the dust collecting box 5 through the exhaust port 51, the air discharged to the outer side of the dust collecting box 5 can be filtered by the filter screen 54, dust discharged to the air is reduced, the dust is enriched in the dust collecting box 5, and an operator can uniformly treat the dust conveniently.

The mounting ring 53 is rotated in the forward direction, so that an operator can conveniently rotate the mounting ring 53 to the exhaust pipe 52, and the filter screen 54 is mounted simply and conveniently; when the filter screen 54 needs to be maintained or replaced, the mounting ring 53 can be reversely rotated, so that the mounting ring 53 is taken down from the exhaust pipe 52, the filter screen 54 is convenient to maintain for an operator, a new mounting ring 53 is also convenient to screw on the exhaust pipe 52 by the operator, and stable filtering of dust by the filter screen 54 is ensured.

Referring to fig. 1, an ash removal port is opened at one side of an ash collection box 5, and the ash collection box 5 is hinged with a box door 8 for closing the ash removal port at the ash removal port, a hasp 9 is arranged between the box door 8 and the ash collection box 5, the hook of the hasp 9 is welded on the box body 1, the clasp of the hasp 9 is installed on the box door 8, the box door 8 is rotated and the ash removal port is closed, then the clasp of the hasp 9 is buckled on the hook of the hasp 9, and the locking of the rotation of the box door 8 can be firmly realized, so that the ash removal port is kept closed. When the ash in the ash collecting box 5 is required to be cleaned, an operator can take down the retaining ring of the hasp 9 from the hook of the hasp 9 and then open the box door 8, so that the operator can clean the dust accumulated in the ash collecting box 5 conveniently.

Closing the air inlet 11, controlling the pulse blowing assembly 3 to spray high-pressure air flow to the upper opening of the filter bag 22, expanding the filter bag 22 and shaking off dust on the filter bag 22, opening the electromagnetic valve 41, simultaneously starting the exhaust fan 42 and the spray head 62, enabling the exhaust fan 42 to generate negative pressure at the air extraction opening 13, sucking air in the air outlet 12 into the box body 1, then flowing to the air extraction opening 13 through the filter bag 22, enabling the shaken-off dust on the filter bag 22 to be far away from the filter bag 22, and enabling water mist sprayed by the spray head 62 to accelerate the dust to sink; part of dust enters the dust collecting box 5 through the extraction opening 13, the exhaust pipe 4 and the exhaust fan 42, so that the sedimentation speed of dust shaken off on the filter bag 22 is increased, the floating of dust shaken off on the filter bag 22 is reduced, after the exhaust fan 42 is opened for a period of time, the exhaust fan 42, the electromagnetic valve 41 and the spray head 62 are closed, the air inlet 11 is opened, the filter bag 22 can continue to carry out dust fall filtration on air with dust, and the dust shaken off on the filter bag 22 is reduced to be adsorbed on the filter bag 22 again.

The implementation principle of the pulse dust device of the stirring station of the embodiment of the application is as follows: when the air inlet 11 is closed and dust is required to be expanded on the filter bag 22 and shaken off, the electromagnetic valve 41 can be controlled to be opened first, the exhaust fan 42 is started, negative pressure can be formed at the exhaust opening 13, the dust shaken off on the filter bag 22 and air can be pumped into the exhaust pipe 4 together, dust near the filter bag 22 is accelerated to be far away from the filter bag 22, dust near the filter bag 22 is reduced, and the problem that the sedimentation speed of the dust shaken off on the filter bag 22 is lower is solved.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a stirring station pulse dust device, includes box (1), installs baffle (2) in box (1) and installs filter bag (22) in baffle (2) one side, its characterized in that: still include exhaust column (4) and air exhauster (42), set up extraction opening (13) on box (1), extraction opening (13) are located filter bag (22) are kept away from one side of baffle (2), the one end of exhaust column (4) with extraction opening (13) intercommunication, the other end with the air intake intercommunication of air exhauster (42), be equipped with solenoid valve (41) on exhaust column (4), the air outlet department of air exhauster (42) is connected with and is used for right extraction opening (13) exhaust dust carries out dust collection box (5) of collecting.

2. A pulse dust suppression device for a mixing plant according to claim 1, wherein: an exhaust port (51) is formed in the ash collecting box (5), and a filter screen (54) is arranged at the exhaust port (51) of the ash collecting box (5).

3. A pulse dust suppression device for a mixing plant according to claim 2, wherein: the dust collection box (5) is connected with an exhaust pipe (52) at the exhaust port (51), a mounting ring (53) is sleeved on the exhaust pipe (52), the filter screen (54) is fixedly connected to the inner peripheral wall of the mounting ring (53), an internal thread is formed in the inner side of the mounting ring (53), an external thread is formed in the outer peripheral wall of the exhaust pipe (52), and the exhaust pipe (52) is in threaded fit with the mounting ring (53).

4. A pulse dust suppression device for a mixing plant according to claim 1, wherein: the ash blocking plate (7) is fixedly arranged in the box body (1), and the ash blocking plate (7) is positioned between the air extraction opening (13) and the filter bag (22).

5. The pulse dust suppression device for a mixing plant according to claim 4, wherein: the height of the ash blocking plate (7) gradually decreases towards a direction away from the air extraction opening (13).

6. The pulse dust suppression device for a mixing plant according to claim 4, wherein: the box body (1) is internally provided with a water mist dust fall component (6) for spraying water mist, and the water mist dust fall component (6) is positioned between the ash blocking plate (7) and the filter bag (22).

7. The pulse dust suppression device for a mixing plant according to claim 6, wherein: the water mist dust settling assembly (6) comprises a water spraying pipe (61) and a spray head (62), wherein the water spraying pipe (61) is located between the filter bag (22) and the ash blocking plate (7), and the spray head (62) is located on one side, far away from the filter bag (22), of the water spraying pipe (61).

8. The mixing station pulse dust suppression device of claim 7, wherein: the spray heads (62) are provided in plurality along the extending direction of the spray pipe (61).