CN112023547A - Efficient pulse dust collector and working method thereof - Google Patents
Efficient pulse dust collector and working method thereof Download PDFInfo
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- CN112023547A CN112023547A CN202010921822.9A CN202010921822A CN112023547A CN 112023547 A CN112023547 A CN 112023547A CN 202010921822 A CN202010921822 A CN 202010921822A CN 112023547 A CN112023547 A CN 112023547A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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Abstract
The invention discloses a high-efficiency pulse dust collector and a working method thereof, wherein the dust collector comprises a lower box body, the bottom of the lower box body is provided with a dust collecting hopper, the top of the lower box body is provided with an upper box body, one end of the upper box body is provided with a turnover cover, a plurality of groups of filter bags are arranged between a fixed mounting plate and a movable mounting plate, the outer wall of one side of the turnover cover and the outer wall of one side of the upper box body, which is far away from the turnover cover, are both provided with high-pressure gas tanks, the high-pressure gas tanks are connected with a gas injection pipe through connecting pipes, a support frame is movably provided with; the filter bag is transversely arranged, so that the contact area between air and the filter bag is larger, the filtration of the air is accelerated, the dust removal efficiency is improved, meanwhile, compressed gas is introduced into the two ends of the filter bag, and the time for filling the filter bag with the compressed gas is shortened.
Description
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to a high-efficiency pulse dust remover and a working method thereof.
Background
The principle of the pulse bag type dust collector is that compressed air is used as power, the compressed air instantly sprayed out by the air storage tank is used for inducing air which is several times of the sprayed air volume to enter the filter bag at a high speed through the air spraying pipe, so that the filter bag generates sharp expansion and impact vibration from a top filter opening to the bottom, and a strong dust removing and accumulating effect is generated. The dust remover has high dust removal strength, and can allow the adoption of higher filtering wind speed, thereby becoming the most widely applied dust removal and dust removal mode at present;
patent document (CN107961605A) discloses a high-effect pulsed dust remover, and this pulsed dust remover air is less with filtering the bag, and it is slow to the filter velocity of air to filter the bag, and dust collection efficiency is low, and only lets in compressed gas to filtering bag one end moreover, and compressed gas can't fill fast and filter the bag, and the dust on filtering the bag drops slowly, and the effect that drops is poor, and this pulsed dust remover is not convenient for install and dismantle, can't maintain filter bag fast, influences the normal use of this dust remover.
Disclosure of Invention
The invention aims to provide a high-efficiency pulse dust collector and a working method thereof.A plurality of filter bags are transversely arranged between a fixed mounting plate and a movable mounting plate, the air is subjected to dust collection by the filter bags, and the air subjected to dust collection and filtration respectively passes through air outlet covers on the fixed mounting plate and the movable mounting plate and is discharged to the outside through an air outlet;
the invention respectively installs the high-pressure gas tanks on the outer side of the turnover cover and the outer side of the upper box body, the high-pressure gas tanks are connected with each gas injection pipe through the connecting pipes, the compressed air in the high-pressure air tank enters the corresponding air injection pipe through each connecting pipe by opening the pulse valve, and is sprayed out to the air outlet cover through each nozzle, the compressed air enters into the filter bag through the air outlet cover, so that the filter bag is rapidly expanded, the dust attached to the surface of the filter bag is separated and falls into the dust collecting hopper below, compressed gas is introduced into two ends of the filter bag simultaneously, the time for filling the filter bag with the compressed gas is shortened, therefore, dust on the filter bag can be quickly dropped, the filter bag can be expanded to have a large volume, the dust dropping effect on the filter bag is good, and the technical problems of slow dust dropping and poor dropping effect on the filter bag of the traditional pulse dust collector are solved;
according to the invention, by loosening the connecting bolt between the top of the turnover cover and the upper box body, the turnover cover is driven to rotate by the turnover cylinder, one end of the upper box body is in an open state, the rotating shaft is driven to rotate by the moving motor, the rotating shaft drives the gear belt to rotate through the gear, the gear belt drives the moving trolley to move, the moving trolley drives the vertical frame to move and drives the movable mounting plate to move, the movable mounting plate moves to an opening at one end of the upper box body close to the turnover cover, at the moment, the filter bag moves to the opening of the upper box body, the connecting bolts between the fixed mounting plate and the upper wall and the lower wall of the upper box body are loosened, the fixed mounting plate and the movable mounting plate are detached together with the filter bag to be maintained and replaced, and the technical problems that the traditional pulse dust collector is inconvenient to install.
The purpose of the invention can be realized by the following technical scheme:
a high-efficiency pulse dust collector comprises a lower box body, wherein a dust collecting hopper is arranged at the bottom of the lower box body, an upper box body is arranged at the top of the lower box body, a turnover cover is arranged at one end of the upper box body, the bottom of the turnover cover is hinged with the bottom of one end of the upper box body, and the top of the turnover cover is fixed with the top of one end of the upper box body through a bolt;
the filter bag is characterized in that a fixed mounting plate is fixedly mounted on the inner side of the upper box body, the top end and the bottom end of the fixed mounting plate are fixedly connected with the upper wall and the lower wall of the upper box body through bolts respectively, a movable mounting plate is movably mounted on the inner side of the upper box body, the fixed mounting plate and the movable mounting plate are parallel to each other and are vertically arranged, and a plurality of groups of filter bags are arranged between the fixed mounting plate and the movable mounting plate;
a plurality of gas injection pipes are vertically fixed on the inner side of the turning cover and one side of the inner part of the upper box body, which is far away from the turning cover, a plurality of nozzles are fixedly installed on the gas injection pipes, a high-pressure gas tank is fixedly installed on the outer wall of one side of the turning cover and the outer wall of one side of the upper box body, which is far away from the turning cover, a plurality of connecting pipes are fixedly installed at the top of the high-pressure gas tank, the plurality of connecting pipes correspond to the plurality of gas injection pipes one by one, and one end of each connecting pipe is connected with the gas injection pipe;
a support frame is horizontally fixed on the upper part of the inner side of the upper box body through welding, a moving assembly is movably mounted on the support frame, and the moving assembly is fixedly connected with a movable mounting plate;
the dust collector is characterized in that an air inlet is formed in the outer wall of one side of the lower box body, air outlets are formed in the outer wall of one side of the turnover cover and the outer wall of one side, away from the turnover cover, of the upper box body, and a dust outlet is formed in the bottom of the dust collecting hopper.
Furthermore, the moving assembly comprises a moving trolley, the moving trolley is slidably mounted on the upper surface of the support frame in the horizontal direction, two rotating shafts are rotatably mounted on the upper surface of the support frame and are respectively located at the edges of two sides of the upper surface of the support frame, gears are fixedly mounted at two ends of each rotating shaft, the gears on one corresponding side of each rotating shaft are in transmission connection through a gear belt, the upper side of each gear belt is fixedly connected with the moving trolley, a moving motor is fixedly mounted on the upper surface of the support frame, and an output shaft of the moving motor is in transmission connection with one rotating shaft through a speed reducer;
two vertical frames are vertically fixed on the bottom surface of the moving trolley through bolts, the two vertical frames are respectively positioned at the edges of two sides of the bottom surface of the moving trolley, the vertical frame comprises a first vertical rod and a second vertical rod, a sliding seat is slidably arranged on the second vertical rod along the vertical direction, one side of the sliding seat is fixedly connected with the movable mounting plate, the inner side of the first vertical rod is movably provided with a balancing weight along the vertical direction, the top of the balancing weight is fixedly connected with one end of the lifting chain, the other end of the lifting chain extends to the inner side of the second vertical rod, the other end of the lifting chain is fixedly connected with the top of the sliding seat, a lifting motor is fixedly arranged on the second vertical rod, the output shaft end fixed mounting of elevator motor has the gear, the upper portion of first montant also rotates installs the gear, two the gear passes through the lift chain transmission and connects.
Furthermore, two overturning cylinders are arranged on the outer wall of one side of the lower box body, the bottom ends of the overturning cylinders are hinged to the outer wall of one side of the lower box body, and the top ends of output rods of the overturning cylinders are hinged to the bottom surface of the overturning cover.
Furthermore, a plurality of groups of filter bags are distributed in an equidistant linear array along the horizontal direction, the number of the filter bags in each group is a plurality, the filter bags are distributed in an equidistant linear array along the vertical direction, and two ends of each filter bag are fixedly connected with the air outlet cover;
the plurality of air injection pipes are distributed in an equidistant linear array along the horizontal direction, and the plurality of air injection pipes correspond to the groups of filter bags one by one.
Further, the equal fixed mounting in a side surface of fixed mounting panel has a plurality of groups to go out the gas hood, a plurality of group it is equidistant linear array distribution, every group to go out the gas hood at a side surface of fixed mounting panel along the horizontal direction the quantity of going out the gas hood is a plurality of, a plurality of it is equidistant linear array distribution to go out the gas hood at a side surface of fixed mounting panel along vertical direction.
Further, the equal fixed mounting in a side surface of movable mounting panel has a plurality of groups to go out the gas hood, a plurality of group it is equidistant linear array distribution, every group to go out the gas hood at a side surface of movable mounting panel along the horizontal direction the quantity of going out the gas hood is a plurality of, a plurality of it is equidistant linear array distribution to go out the gas hood at a side surface of movable mounting panel along vertical direction.
Furthermore, a plurality of the nozzles are distributed on the gas injection pipe in an equidistant linear array along the vertical direction, and the plurality of the nozzles are in one-to-one correspondence with the plurality of the gas outlet hoods.
Furthermore, a supporting frame plate is fixedly installed at the bottom of the outer peripheral surface of the lower box body through welding, four supporting rods are vertically arranged on the bottom surface of the supporting frame plate, and the four supporting rods are respectively located at four corner positions of the bottom surface of the supporting frame plate.
Furthermore, a pulse valve is fixedly arranged on the connecting pipe.
A working method of a high-efficiency pulse dust collector comprises the following specific steps:
the method comprises the following steps that firstly, air is led in from an air inlet on one side of a lower box body, large-particle dust directly falls into the bottom of an ash collecting hopper under the action of gravity, small-particle dust moves upwards along with the air, the air passes through a filter bag in the upwards moving process, the small-particle dust in the air is adhered to the surface of the filter bag to remove dust of the air, and the air after dust removal respectively passes through air outlet covers on a fixed mounting plate and a movable mounting plate and is discharged to the outside through an air outlet on one side of an upper box body and a turnover cover;
opening a pulse valve, enabling compressed air in the high-pressure air tank to enter corresponding air injection pipes through connecting pipes, enabling the compressed air in the air injection pipes to be sprayed out to an air outlet cover through nozzles, enabling the compressed air to enter a filter bag through the air outlet cover, enabling the filter bag to expand rapidly, enabling dust attached to the surface of the filter bag to be separated and fall into a dust collection hopper below, and discharging the dust through a dust outlet at the bottom of the dust collection hopper;
thirdly, loosening a connecting bolt between the top of the turnover cover and the upper box body, starting the turnover cylinder, driving the turnover cover to rotate by the turnover cylinder, enabling one end of the upper box body to be in an open state, starting a moving motor, driving a rotating shaft to rotate by the moving motor, driving a gear belt to rotate by a gear, driving a moving trolley to move by the gear belt, driving a vertical frame to move by the moving trolley, driving a movable mounting plate to move, starting a lifting motor when the movable mounting plate moves to the upper part of the lower box body, driving a lifting chain to rotate by the lifting motor through the gear, driving a sliding seat to descend, driving the movable mounting plate to descend by the sliding seat, driving one end of a filter bag to descend, enabling one end of the filter bag to incline downwards, enabling dust particles in the filter bag to fall and be collected, and enabling the filter bag to move to the opening of the upper box body, and loosening the connecting bolts of the fixed mounting plate and the upper wall and the lower wall of the upper box body, and detaching the fixed mounting plate, the movable mounting plate and the filter bag for maintenance and replacement.
The invention has the beneficial effects that:
according to the invention, the plurality of filter bags are transversely arranged between the fixed mounting plate and the movable mounting plate, the air is dedusted by the filter bags, and the dedusted and filtered air respectively passes through the air outlet covers on the fixed mounting plate and the movable mounting plate and is exhausted to the outside through the air outlet;
according to the invention, the high-pressure gas tanks are respectively arranged on the outer side of the turnover cover and the outer side of the upper box body, the high-pressure gas tanks are connected with each gas injection pipe through the connecting pipes, compressed air in the high-pressure gas tanks enters the corresponding gas injection pipes through the connecting pipes by opening the pulse valves and is sprayed out to the gas outlet cover through the nozzles, and the compressed air enters the filter bag through the gas outlet cover, so that the filter bag is rapidly expanded, and dust attached to the surface of the filter bag is separated and falls into the dust collecting hopper below;
according to the invention, the connecting bolt between the top of the turnover cover and the upper box body is loosened, the turnover cover is driven to rotate by the turnover cylinder, one end of the upper box body is in an open state, the rotating shaft is driven to rotate by the moving motor, the rotating shaft drives the gear belt to rotate through the gear, the gear belt drives the moving trolley to move, the moving trolley drives the vertical frame to move and drives the movable mounting plate to move, the movable mounting plate moves to an opening at one end of the upper box body close to the turnover cover, the filter bag moves to the opening of the upper box body at the moment, the connecting bolts between the fixed mounting plate and the upper wall and the lower wall of the upper box body are loosened, and the fixed mounting plate, the movable mounting plate and the filter bag are detached together for maintenance and replacement.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of a high efficiency pulse dust collector according to the present invention;
FIG. 2 is a front sectional view of a high efficiency pulse dust collector of the present invention;
FIG. 3 is a front view of the moving assembly of the present invention;
FIG. 4 is a top view of the moving assembly of the present invention;
figure 5 is an assembled side view of the fixed mounting plate and the exhaust hood of the present invention.
In the figure: 1. a lower box body; 2. a dust collecting hopper; 3. an upper box body; 4. turning over the cover; 5. a filter bag; 6. fixing the mounting plate; 7. a movable mounting plate; 8. a moving assembly; 9. a high pressure gas tank; 10. a connecting pipe; 11. an air inlet; 12. an air outlet; 13. turning over the air cylinder; 14. supporting the frame plate; 15. a support bar; 16. a gas ejector tube; 17. a nozzle; 18. a support frame; 19. moving the trolley; 20. a first vertical bar; 21. a second vertical bar; 22. a sliding seat; 23. a moving motor; 24. a lifting motor; 25. a lifting chain; 26. a balancing weight; 27. an air outlet cover; 28. a dust outlet; 29. a rotating shaft; 30. a gear belt; 31. a pulse valve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a high-efficiency pulse dust collector comprises a lower box body 1, wherein a dust collecting hopper 2 is arranged at the bottom of the lower box body 1, an upper box body 3 is arranged at the top of the lower box body 1, a turnover cover 4 is arranged at one end of the upper box body 3, the bottom of the turnover cover 4 is hinged with the bottom of one end of the upper box body 3, and the top of the turnover cover 4 is fixed with the top of one end of the upper box body 3 through a bolt;
a fixed mounting plate 6 is fixedly mounted on the inner side of the upper box body 3, the top end and the bottom end of the fixed mounting plate 6 are fixedly connected with the upper wall and the lower wall of the upper box body 3 through bolts respectively, a movable mounting plate 7 is movably mounted on the inner side of the upper box body 3, the fixed mounting plate 6 and the movable mounting plate 7 are parallel to each other and are vertically arranged, and a plurality of groups of filter bags 5 are arranged between the fixed mounting plate 6 and the movable mounting plate 7;
a plurality of gas injection pipes 16 are vertically fixed on the inner side of the turnover cover 4 and one side of the inner part of the upper box body 3, which is far away from the turnover cover 4, a plurality of nozzles 17 are fixedly arranged on the gas injection pipes 16, a high-pressure gas tank 9 is fixedly arranged on the outer wall of one side of the turnover cover 4 and the outer wall of one side of the upper box body 3, which is far away from the turnover cover 4, a plurality of connecting pipes 10 are fixedly arranged at the top of the high-pressure gas tank 9, the plurality of connecting pipes 10 correspond to the plurality of gas injection pipes 16 one by one, and one end of each connecting pipe 10 is connected with the gas injection pipe 16;
a support frame 18 is horizontally fixed on the upper part of the inner side of the upper box body 3 through welding, a moving assembly 8 is movably mounted on the support frame 18, and the moving assembly 8 is fixedly connected with a movable mounting plate 7;
an air inlet 11 is formed in the outer wall of one side of the lower box body 1, an air outlet 12 is formed in the outer wall of one side of the turnover cover 4 and the outer wall of one side, far away from the turnover cover 4, of the upper box body 3, and a dust outlet 28 is formed in the bottom of the dust collecting hopper 2.
The moving assembly 8 comprises a moving trolley 19, the moving trolley 19 is installed on the upper surface of the support frame 18 in a sliding mode along the horizontal direction, two rotating shafts 29 are installed on the upper surface of the support frame 18 in a rotating mode, the two rotating shafts 29 are located at the edges of the two sides of the upper surface of the support frame 18 respectively, gears are fixedly installed at the two ends of each rotating shaft 29, the gears on the corresponding side of the two rotating shafts 29 are in transmission connection through a gear belt 30, the upper side of the gear belt 30 is fixedly connected with the moving trolley 19, a moving motor 23 is fixedly installed on the upper surface of the support frame 18, and an output shaft of the moving motor 23 is in transmission connection with one rotating shaft 29 through a speed reducer;
the bottom surface of the movable trolley 19 is vertically fixed with two vertical frames through bolts, the two vertical frames are respectively positioned at the edges of two sides of the bottom surface of the movable trolley 19, each vertical frame comprises a first vertical rod 20 and a second vertical rod 21, a sliding seat 22 is slidably mounted on the second vertical rod 21 along the vertical direction, one side of the sliding seat 22 is fixedly connected with a movable mounting plate 7, the inner side of the first vertical rod 20 is movably mounted with a balancing weight 26 along the vertical direction, the top of the balancing weight 26 is fixedly connected with one end of a lifting chain 25, the other end of the lifting chain 25 extends to the inner side of the second vertical rod 21, the other end of the lifting chain 25 is fixedly connected with the top of the sliding seat 22, a lifting motor 24 is fixedly mounted on the second vertical rod 21, the output shaft end of the lifting motor 24 is fixedly mounted with a gear, and the upper part of the first vertical rod 20 is, the two gears are in transmission connection through a lifting chain 25.
Two overturning cylinders 13 are arranged on the outer wall of one side of the lower box body 1, the bottom ends of the overturning cylinders 13 are hinged to the outer wall of one side of the lower box body 1, and the top ends of output rods of the overturning cylinders 13 are hinged to the bottom surface of the overturning cover 4.
The filter bags 5 in the plurality of groups are distributed in an equidistant linear array along the horizontal direction, the number of the filter bags 5 in each group is a plurality, the filter bags 5 in the plurality of groups are distributed in an equidistant linear array along the vertical direction, and both ends of each filter bag 5 are fixedly connected with the air outlet cover 27; the plurality of air injection pipes 16 are distributed in an equidistant linear array along the horizontal direction, and the plurality of air injection pipes 16 correspond to the groups of filter bags 5 one by one.
The equal fixed mounting in a side surface of fixed mounting panel 6 has a plurality of groups of air outlet cover 27, a plurality of groups air outlet cover 27 is equidistant linear array at a side surface of fixed mounting panel 6 and distributes, every group along the horizontal direction air outlet cover 27's quantity is a plurality of, a plurality of air outlet cover 27 is equidistant linear array and distributes along vertical direction at a side surface of fixed mounting panel 6.
The equal fixed mounting in a side surface of movable mounting panel 7 has a plurality of groups of air outlet cover 27, a plurality of groups air outlet cover 27 is equidistant linear array at a side surface of movable mounting panel 7 along the horizontal direction and distributes, every group air outlet cover 27's quantity is a plurality of, a plurality of air outlet cover 27 is equidistant linear array at a side surface of movable mounting panel 7 along vertical direction and distributes.
The nozzles 17 are distributed on the gas injection pipe 16 in an equidistant linear array along the vertical direction, and the nozzles 17 correspond to the gas outlet hoods 27 one by one.
The bottom of the outer peripheral surface of the lower box body 1 is fixedly provided with a supporting frame plate 14 through welding, the bottom surface of the supporting frame plate 14 is vertically provided with four supporting rods 15, and the four supporting rods 15 are respectively positioned at four corner positions of the bottom surface of the supporting frame plate 14.
The connecting pipe 10 is fixedly provided with a pulse valve 31.
A working method of a high-efficiency pulse dust collector comprises the following specific steps:
firstly, introducing air from an air inlet 11 on one side of a lower box body 1, directly dropping large-particle dust into the bottom of an ash collecting hopper 2 under the action of gravity, moving small-particle dust upwards along with the air, passing the air through a filter bag 5 in the process of moving upwards, adhering the small-particle dust in the air to the surface of the filter bag 5, removing dust from the air, and discharging the air after dust removal to the outside through air outlet covers 27 on a fixed mounting plate 6 and a movable mounting plate 7 respectively and an air outlet 12 on one sides of an upper box body 3 and a turnover cover 4;
step two, opening the pulse valve 31, enabling compressed air in the high-pressure air tank 9 to enter the corresponding air injection pipe 16 through each connecting pipe 10, enabling the compressed air in the air injection pipe 16 to be sprayed out to the air outlet cover 27 through each nozzle 17, enabling the compressed air to enter the filter bag 5 through the air outlet cover 27, enabling the filter bag 5 to expand rapidly, enabling dust attached to the surface of the filter bag 5 to be separated and fall into the dust collecting hopper 2 below, and discharging the dust through the dust outlet 28 at the bottom of the dust collecting hopper 2;
thirdly, loosening a connecting bolt between the top of the turnover cover 4 and the upper box body 3, starting the turnover cylinder 13, driving the turnover cover 4 to rotate by the turnover cylinder 13, enabling one end of the upper box body 3 to be in an open state, starting the moving motor 23, driving the rotating shaft 29 to rotate by the moving motor 23, driving the gear belt 30 to rotate by the rotating shaft 29 through a gear, driving the moving trolley 19 to move by the gear belt 30, driving the vertical frame to move by the moving trolley 19, driving the movable mounting plate 7 to move, when the movable mounting plate 7 moves to the upper part of the lower box body 1, starting the lifting motor 24, driving the lifting chain 25 to rotate by the lifting motor 24 through the gear, driving the sliding seat 22 to descend, driving the movable mounting plate 7 to descend, driving one end of the filter bag 5 to incline downwards, enabling dust particles in the filter bag 5 to fall and be collected, and when the movable mounting plate 7 moves to the upper box body 3 to be close to an opening at one, the filter bag 5 moves to the opening of the upper box body 3, the connecting bolts of the fixed mounting plate 6 and the upper wall and the lower wall of the upper box body 3 are loosened, and the fixed mounting plate 6, the movable mounting plate 7 and the filter bag 5 are detached for maintenance and replacement.
According to the invention, the plurality of filter bags 5 are transversely arranged between the fixed mounting plate 6 and the movable mounting plate 7, the air is dedusted through the filter bags 5, and the dedusted and filtered air respectively passes through the air outlet covers 27 on the fixed mounting plate 6 and the movable mounting plate 7 and is exhausted to the outside through the air outlet 12;
according to the invention, the high-pressure gas tanks 9 are respectively arranged on the outer side of the turnover cover 4 and the outer side of the upper box body 3, the high-pressure gas tanks 9 are connected with the gas injection pipes 16 through the connecting pipes 10, compressed air in the high-pressure gas tanks 9 enters the corresponding gas injection pipes 16 through the connecting pipes 10 by opening the pulse valves 31 and is sprayed out to the gas outlet hood 27 through the nozzles 17, and the compressed air enters the filter bag 5 through the gas outlet hood 27 to rapidly expand the filter bag 5, so that dust attached to the surface of the filter bag 5 is separated and falls into the dust collecting hopper 2 below the filter bag 5;
the invention makes one end of the upper box body 3 in an open state by loosening the connecting bolt between the top of the turnover cover 4 and the upper box body 3 and driving the turnover cover 4 to rotate by the turnover cylinder 13, the rotating shaft 29 is driven to rotate by the moving motor 23, the rotating shaft 29 drives the gear belt 30 to rotate by the gear, the gear belt 30 drives the moving trolley 19 to move, the moving trolley 19 drives the vertical frame to move and drives the movable mounting plate 7 to move, the movable mounting plate 7 moves to the opening at one end of the upper box body 3 close to the turnover cover 4, at the moment, the filter bag 5 moves to the opening of the upper box body 3, the connecting bolts between the fixed mounting plate 6 and the upper wall and the lower wall of the upper box body 3 are loosened, the fixed mounting plate 6, the movable mounting plate 7 and the filter bag 5 are detached to be maintained and replaced, the filter bag 5 of the invention is convenient to mount and detach, the filter bag 5 can be maintained, the dust removal efficiency is ensured.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The efficient pulse dust collector is characterized by comprising a lower box body (1), wherein a dust collecting hopper (2) is arranged at the bottom of the lower box body (1), an upper box body (3) is arranged at the top of the lower box body (1), a turnover cover (4) is arranged at one end of the upper box body (3), the bottom of the turnover cover (4) is hinged with the bottom of one end of the upper box body (3), and the top of the turnover cover (4) is fixed with the top of one end of the upper box body (3) through a bolt;
a fixed mounting plate (6) is fixedly mounted on the inner side of the upper box body (3), the top end and the bottom end of the fixed mounting plate (6) are fixedly connected with the upper wall and the lower wall of the upper box body (3) through bolts respectively, a movable mounting plate (7) is movably mounted on the inner side of the upper box body (3), the fixed mounting plate (6) and the movable mounting plate (7) are parallel to each other and are vertically arranged, and a plurality of groups of filter bags (5) are arranged between the fixed mounting plate (6) and the movable mounting plate (7);
a plurality of air injection pipes (16) are vertically fixed on the inner side of the turnover cover (4) and one side, far away from the turnover cover (4), of the inner part of the upper box body (3), a plurality of nozzles (17) are fixedly mounted on the air injection pipes (16), high-pressure air tanks (9) are fixedly mounted on the outer wall of one side of the turnover cover (4) and the outer wall of one side, far away from the turnover cover (4), of the upper box body (3), a plurality of connecting pipes (10) are fixedly mounted at the top of the high-pressure air tanks (9), the connecting pipes (10) correspond to the air injection pipes (16) one by one, and one ends of the connecting pipes (10) are connected with the air injection pipes (16);
a support frame (18) is horizontally fixed on the upper part of the inner side of the upper box body (3) through welding, a moving assembly (8) is movably mounted on the support frame (18), and the moving assembly (8) is fixedly connected with a movable mounting plate (7);
the dust collecting device is characterized in that an air inlet (11) is formed in the outer wall of one side of the lower box body (1), an air outlet (12) is formed in the outer wall of one side of the turnover cover (4) and the outer wall of one side, far away from the turnover cover (4), of the upper box body (3), and a dust outlet (28) is formed in the bottom of the dust collecting hopper (2).
2. A high efficiency pulse precipitator according to claim 1, wherein the moving assembly (8) comprises a moving cart (19), the moving trolley (19) is arranged on the upper surface of the supporting frame (18) in a sliding way along the horizontal direction, two rotating shafts (29) are rotatably arranged on the upper surface of the supporting frame (18), the two rotating shafts (29) are respectively positioned at the edges of two sides of the upper surface of the supporting frame (18), gears are fixedly arranged at both ends of the rotating shafts (29), the gears at the corresponding sides of the two rotating shafts (29) are in transmission connection through gear belts (30), the upper side of the gear belt (30) is fixedly connected with a movable trolley (19), the upper surface of the support frame (18) is fixedly provided with a movable motor (23), an output shaft of the moving motor (23) is in transmission connection with one of the rotating shafts (29) through a speed reducer;
the bottom surface of the movable trolley (19) is vertically fixed with two vertical frames through bolts, the two vertical frames are respectively positioned at the edges of two sides of the bottom surface of the movable trolley (19), each vertical frame comprises a first vertical rod (20) and a second vertical rod (21), a sliding seat (22) is arranged on each second vertical rod (21) in a sliding mode along the vertical direction, one side of each sliding seat (22) is fixedly connected with the movable mounting plate (7), a balancing weight (26) is movably mounted on the inner side of each first vertical rod (20) along the vertical direction, the top of each balancing weight (26) is fixedly connected with one end of a lifting chain (25), the other end of each lifting chain (25) extends to the inner side of each second vertical rod (21), the other end of each lifting chain (25) is fixedly connected with the top of each sliding seat (22), and a lifting motor (24) is fixedly mounted on each second vertical rod (21), the output shaft end fixed mounting of elevator motor (24) has the gear, the upper portion of first montant (20) also rotates and installs the gear, and two gears pass through lifting chain (25) transmission and connect.
3. The high-efficiency pulse dust collector as claimed in claim 1, wherein two turnover cylinders (13) are arranged at the outer wall of one side of the lower box body (1), the bottom ends of the turnover cylinders (13) are hinged with the outer wall of one side of the lower box body (1), and the top ends of output rods of the turnover cylinders (13) are hinged with the bottom surface of the turnover cover (4).
4. The high-efficiency pulse dust collector as claimed in claim 1, wherein a plurality of groups of the filter bags (5) are distributed in a linear array at equal intervals along the horizontal direction, the number of the filter bags (5) in each group is a plurality, a plurality of the filter bags (5) are distributed in a linear array at equal intervals along the vertical direction, and both ends of each filter bag (5) are fixedly connected with the air outlet cover (27);
the plurality of the air injection pipes (16) are distributed in an equidistant linear array along the horizontal direction, and the plurality of the air injection pipes (16) are in one-to-one correspondence with the groups of filter bags (5).
5. The high-efficiency pulse dust collector as claimed in claim 1, wherein a plurality of sets of air outlet hoods (27) are fixedly mounted on one side surface of the fixed mounting plate (6), the plurality of sets of air outlet hoods (27) are distributed in a linear array at an equal interval along the horizontal direction on one side surface of the fixed mounting plate (6), the number of the air outlet hoods (27) in each set is a plurality, and the plurality of air outlet hoods (27) are distributed in a linear array at an equal interval along the vertical direction on one side surface of the fixed mounting plate (6).
6. The high-efficiency pulse dust collector as claimed in claim 1, wherein a plurality of sets of air outlet hoods (27) are fixedly mounted on one side surface of the movable mounting plate (7), the plurality of sets of air outlet hoods (27) are distributed in a linear array in the horizontal direction on one side surface of the movable mounting plate (7), the number of the air outlet hoods (27) in each set is a plurality, and the plurality of air outlet hoods (27) are distributed in a linear array in the vertical direction on one side surface of the movable mounting plate (7).
7. A high efficiency pulse dust collector as claimed in claim 1, wherein a plurality of said nozzles (17) are vertically distributed in a linear array at equal intervals on the gas injection pipe (16), and a plurality of said nozzles (17) are in one-to-one correspondence with a plurality of said gas outlet hoods (27).
8. The high-efficiency pulse dust collector as claimed in claim 1, wherein a supporting frame plate (14) is fixedly installed at the bottom of the outer circumferential surface of the lower box body (1) by welding, four supporting rods (15) are vertically arranged on the bottom surface of the supporting frame plate (14), and the four supporting rods (15) are respectively located at four corner positions of the bottom surface of the supporting frame plate (14).
9. A high efficiency pulse precipitator in accordance with claim 1, wherein a pulse valve (31) is fixedly mounted on said connecting tube (10).
10. A method of operating a high efficiency pulse dust collector as claimed in any one of claims 1 to 9, the method comprising the steps of:
firstly, introducing air from an air inlet (11) on one side of a lower box body (1), directly dropping large-particle dust into the bottom of a dust collecting hopper (2) under the action of gravity, enabling small-particle dust to move upwards along with the air, enabling the air to pass through a filter bag (5) in the upwards moving process, enabling the small-particle dust in the air to be adhered to the surface of the filter bag (5), removing dust of the air, enabling the air after dust removal to respectively pass through an air outlet cover (27) on a fixed mounting plate (6) and a movable mounting plate (7), and discharging the air to the outside through an air outlet (12) on one side of an upper box body (3) and a turnover cover (4);
step two, opening a pulse valve (31), enabling compressed air in a high-pressure air tank (9) to enter a corresponding air injection pipe (16) through each connecting pipe (10), enabling the compressed air in the air injection pipe (16) to be sprayed out to an air outlet cover (27) through each nozzle (17), enabling the compressed air to enter a filter bag (5) through the air outlet cover (27), enabling the filter bag (5) to expand rapidly, enabling dust attached to the surface of the filter bag (5) to be separated and fall into a dust collecting hopper (2) below, and enabling the dust to be discharged through a dust outlet (28) at the bottom of the dust collecting hopper (2);
step three, loosening a connecting bolt between the top of the turnover cover (4) and the upper box body (3), starting the turnover cylinder (13), driving the turnover cover (4) to rotate by the turnover cylinder (13), enabling one end of the upper box body (3) to be in an open state, starting the moving motor (23), driving the rotating shaft (29) to rotate by the moving motor (23), driving the gear belt (30) to rotate by the rotating shaft (29) through a gear, driving the moving trolley (19) to move by the gear belt (30), driving the vertical frame to move by the moving trolley (19), driving the movable mounting plate (7) to move, when the movable mounting plate (7) moves to the upper part of the lower box body (1), starting the lifting motor (24), driving the lifting chain (25) to rotate by the gear and driving the sliding seat (22) to descend, driving the movable mounting plate (7) to descend by the sliding seat (22), and driving one end of the filter bag (5) to descend, one end of the filter bag (5) is inclined downwards, dust particles in the filter bag (5) fall and are collected, when the movable mounting plate (7) moves to an opening at one end of the upper box body (3) close to the turnover cover (4), the filter bag (5) moves to an opening of the upper box body (3), connecting bolts of the fixed mounting plate (6) and the upper wall and the lower wall of the upper box body (3) are loosened, and the fixed mounting plate (6), the movable mounting plate (7) and the filter bag (5) are detached for maintenance and replacement.
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| CN202010921822.9A CN112023547B (en) | 2020-09-04 | 2020-09-04 | Efficient pulse dust collector and working method thereof |
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| CN202010921822.9A CN112023547B (en) | 2020-09-04 | 2020-09-04 | Efficient pulse dust collector and working method thereof |
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