CN112439702B - Circulation self-cleaning formula high-pressure pulse dust remover - Google Patents
Circulation self-cleaning formula high-pressure pulse dust remover Download PDFInfo
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- CN112439702B CN112439702B CN202011205396.5A CN202011205396A CN112439702B CN 112439702 B CN112439702 B CN 112439702B CN 202011205396 A CN202011205396 A CN 202011205396A CN 112439702 B CN112439702 B CN 112439702B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
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Abstract
The invention discloses a circulating self-cleaning high-voltage pulse dust collector which comprises a dust collector body, a feed hopper, a dust collecting mechanism, an electrostatic dust collecting mechanism, a blowing dust collecting mechanism, a material collecting box, a material discharging hopper and an air flow circulating mechanism. Feeder hopper fixed connection is on the top of dust remover body, the below that the mechanism is located the feeder hopper is collected to the dust, the lower extreme and the dust collection mechanism of feeder hopper are linked together, jetting collection ash mechanism is located the lower extreme of dust remover body, electrostatic precipitator mechanism's one end and dust collection mechanism link to each other, electrostatic precipitator mechanism's the other end and jetting collection ash mechanism link to each other, the case that gathers materials is located the below that jetting collection ash mechanism, the upper end and the jetting collection ash mechanism of the case that gathers materials are linked together, go out hopper fixed connection in the one side of case that gathers materials, wind circulation mechanism is located the outside of dust remover body, wind circulation mechanism collects the mechanism with the dust respectively, electrostatic precipitator mechanism, jetting collection ash mechanism pipeline links to each other. The air flow circulation mechanism comprises a ventilation pipeline, a blower, a return fan and a filter box.
Description
Technical Field
The invention relates to the technical field of rice processing equipment, in particular to a circulating self-cleaning high-voltage pulse dust collector.
Background
During the processing of rice, more or less dust is generated and carried, and if the dust is not removed in time, the subsequent processing procedures are influenced, and the production quality of the rice is greatly reduced. If the dust is not properly treated, the dust is diffused everywhere, the workshop environment is affected, and even hidden dangers are caused, and the physical health of workers is harmed. Therefore, in the process, it is very important to arrange the dust remover with good dust removal effect.
The existing rice processing dust remover has low dust removal efficiency, easily causes material blockage, and seriously influences the service life of equipment. The invention provides a circulating self-cleaning high-voltage pulse dust remover which can remove dust carried on the surface of rice and collect the dust uniformly, thereby improving the production efficiency of the rice fundamentally and ensuring the production quality of the rice.
Disclosure of Invention
The invention aims to provide a circulating self-cleaning high-voltage pulse dust collector to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a circulation self-cleaning formula high-voltage pulse dust remover, includes dust remover body, feeder hopper, dust collection mechanism, electrostatic precipitator mechanism, jetting collection grey mechanism, the case that gathers materials, goes out hopper and wind current circulation mechanism. Feeder hopper fixed connection is on the top of dust remover body, and the heavy-calibre sets up, the input of the rice of being convenient for. The dust collecting mechanism is located below the feed hopper, and the lower end of the feed hopper is communicated with the dust collecting mechanism. The purpose that the mechanism set up is collected to the dust is carried out preliminary dust removal effect to the rice to the dust that will detach is collected in unison, the follow-up clearance of being convenient for. Jetting collection grey mechanism is located the lower extreme of dust remover body, and the aim at of setting carries out further cleaning action to the adnexed dust in rice surface, and together the discharge of unqualified grain of rice has improved dust removal effect greatly simultaneously to guarantee the whole production quality of rice. The one end and the dust collection mechanism of electrostatic precipitator mechanism link to each other, and the other end and the jetting collection ash mechanism of electrostatic precipitator mechanism link to each other, the aim at of setting: firstly, the dust carried by the rice is removed by utilizing the electrostatic acting force; secondly, discharging the rice grains with unqualified quality. The material collecting box is positioned below the blowing ash collecting mechanism, the upper end of the material collecting box is communicated with the blowing ash collecting mechanism, and the purpose is to collect the rice which is finished in dust removal and qualified in quality inspection in a unified way and discharge the rice smoothly. Go out hopper fixed connection in the one side of case that gathers materials, aim at discharging the rice in unison and collect, guarantee going on smoothly of next process. The wind current circulation mechanism is located the outside of dust remover body, and the wind current circulation mechanism links to each other with dust collection mechanism, electrostatic precipitator mechanism, jetting collection ash mechanism pipeline respectively, the aim at of setting: under the action of wind power, the rice dust removal assisting device can assist the rice dust removal; and secondly, the effect of circulating self-cleaning can be realized.
Further, the air current circulation mechanism comprises a ventilation pipeline, a blower, a return fan and a filter box. The air feeder is positioned at the upper end of the dust remover body and aims to transmit air flow to the interior of the dust remover body so as to realize the effect. The return air fan is positioned on one side of the dust remover body and aims to recycle the air inside the dust remover body to realize the effect. The one end of forced draught blower is passed through air pipe and is collected the mechanism with the dust respectively, electrostatic precipitator mechanism links to each other, and the other end of forced draught blower passes through air pipe and links to each other with the air return machine, and the one end that the forced draught blower was kept away from to the air return machine is passed through air pipe and is linked to each other with the filter cartridge, and air pipe plays the key effect of connecting each mechanism. The filter box is located one side of dust remover body, and the one end that the filter box kept away from the return air machine links to each other with dust collection mechanism, electrostatic precipitator mechanism, jetting collection grey mechanism respectively through air pipe, aims at carrying out purification effect to the air that the return air machine retrieved, realizes the cyclic utilization of air.
Furthermore, the dust collecting mechanism comprises a filter bag, a rotating shaft, a driving motor and a motor support. The motor support is arranged on the outer side wall of the dust remover body and plays a role in fixing the driving motor. One side of the driving motor is fixed on the motor bracket and is a main power source of the dust collecting mechanism. The pivot sets up with the horizontal direction, and the one end of pivot is passed the dust remover body and is linked to each other with driving motor's expansion end, and the both ends of pivot are connected with dust remover body bearing respectively, and the filter bag is worn to locate in the pivot. The driving motor is started to drive the rotating shaft to move, and the rotating shaft drives the filter bag to rotate, so that the dust removal effect is realized. One end of the filter bag, which is far away from the driving motor, is connected with the filter box through the ventilation pipeline, aiming at realizing the self-cleaning effect under the action of wind power.
Furthermore, the axial side wall of the filter bag is symmetrically provided with grooves, and the purpose of the arrangement is to realize the sufficient contact between the rice and the filter bag, so that the best dust removal effect is achieved.
Furthermore, the electrostatic dust removal mechanism comprises a rotary drum, a connecting shaft and an electrostatic grid. The connecting shaft and the rotary drum are arranged in the horizontal direction, one end of the connecting shaft is connected with the inner wall of the dust remover body, and the other end of the connecting shaft is movably connected with the rotary drum. Under the injeciton of even axle, be equipped with helical blade on the rotary drum, helical blade follows the rotary drum and makes rotary motion inside the dust remover body to play and promote the rice motion and realize filterable effect. The static graticule mesh is located the rotary drum directly under in parallel, and the mesh size uses the rice grain of qualified standard as the standard, and the aim at that sets up: firstly, removing dust on the surface of rice by utilizing electrostatic acting force; secondly, detecting and discharging the rice grains with unqualified quality due to large size under the action of the grid. One end of the connecting shaft is connected with the air feeder through the ventilating duct, and the other end of the connecting shaft is connected with the filter box through the ventilating duct. Inside the air conveyed to the rotary drum by the connecting shaft, the air convection motion drives the rotary drum to rotate, and aims at: firstly, rice is pushed to move, and material accumulation is prevented; secondly, the rice is assisted to realize the dust removal effect; and thirdly, the rice is assisted to be filtered, so that the quality inspection effect is achieved.
Furthermore, the blowing ash-collecting mechanism comprises a pulse valve, an air pipe, an ash-collecting bucket and a filter screen. The one side of dust remover body is located to the pulse valve, and the one end of pulse valve links to each other with the trachea, and the trachea sets up along the inner wall symmetry of dust remover body, and one side that the trachea deviates from the dust remover body is equipped with a plurality of blowing mouths. Under the effect of pulse valve, with inside compressed air spouts the dust remover body through the mouth that spouts again via the trachea, directly realize the deashing effect to the rice. The filter screen is located the inside of dust remover body, and the bottom of dust collecting hopper and filter screen links to each other. The mesh size of the filter screen is based on the rice grains of the qualified standard, and the unqualified rice grains caused by small size can be filtered and collected into the ash collecting hopper while the ash removing effect is realized. One end of the pulse valve, which is far away from the air pipe, is connected with the blower through the ventilation pipeline, the air conveyed by the pulse valve is conveyed by the blower, and the air conveyed by the blower is recovered by the air return fan, so that the air flow is recycled. One side of the ash collecting hopper is connected with the filter box through a ventilating duct, and dust on the filter screen and unqualified rice grains are cleaned by wind power.
Further, one side of rotary drum is concentrated and is equipped with a plurality of through-holes, and the axis of through-hole and rotary drum is fallen the setting by mistake, and the size of a dimension of through-hole should be far less than qualified rice grain size of quality, and the aim at produces the convection current with the help of the inside air of rotary drum and dust remover body, realizes that the rotary drum makes rotary motion.
Furthermore, the rotating cylinder comprises an upper rotating cylinder and a lower rotating cylinder, the upper rotating cylinder and the lower rotating cylinder are movably connected in a threaded mode, and the cross section area of the upper rotating cylinder is larger than that of the lower rotating cylinder. Be equipped with respectively on the lateral wall of top spin rotary drum and lower rotary drum and revolve to opposite helical blade, can follow the top spin rotary drum and do rotary motion with lower rotary drum, aim at making the rice disperse the motion of coming, can increase long with the contact of filter screen for the time to improve the dust removal effect of filter screen to the rice, helical blade can push respectively to both sides because of the great unqualified grain of rice of size simultaneously, prevent that the rice from piling up.
Furthermore, the shape of the filter screen is in an inverted U shape. Because the rice under the pulse blowing effect is scattered everywhere, the filter screen of "U" style of calligraphy can realize diversified collection ash and quality control effect according to this characteristic.
Furthermore, the lower extreme of feeder hopper is equipped with the feed control valve, plays the effect of control rice input speed. The discharge hopper is provided with a one-way valve for controlling the discharge of the rice after dust removal.
Compared with the prior art, the invention has the following beneficial effects: the invention relates to a circulating self-cleaning high-voltage pulse dust collector
1. The purpose that the mechanism set up is collected to the dust is carried out preliminary dust removal effect to the rice to the dust that will detach is collected in unison, the follow-up clearance of being convenient for.
2. The blowing ash-collecting mechanism comprises a pulse valve, an air pipe, an ash-collecting hopper and a filter screen, and compressed air is sprayed into the interior of the dust remover body through the air pipe and the blowing port under the action of the pulse valve, so that the ash removal effect on rice is directly realized; the mesh size of the filter screen is based on the rice grains of the qualified standard, and the unqualified rice grains caused by small size can be filtered and collected into the ash collecting hopper while the ash removing effect is realized.
3. The shape of the filter screen is in an inverted U shape. Because the rice under the pulse blowing effect is scattered everywhere, the filter screen of "U" style of calligraphy can realize diversified collection ash and quality control effect according to this characteristic.
4. The electrostatic dust removal mechanism comprises a rotary drum, a connecting shaft and an electrostatic grid. One side of rotary drum is concentrated and is equipped with a plurality of through-holes, and the through-hole sets up with the axis of rotary drum is fallen by mistake, and the size of a dimension of through-hole should be far less than the qualified grain of rice size of quality. The air is conveyed inside the rotary drum by the connecting shaft, is diverged outside the rotary drum by the through hole, and generates acting force between the rotary drum to this air produces the convection current, realizes that the rotary drum makes rotary motion, aim at: firstly, rice is pushed to move, and material accumulation is prevented; secondly, the rice is assisted to realize the dust removal effect; and thirdly, the rice is assisted to be filtered under the action of the electrostatic grid, so that the quality inspection effect is achieved.
5. The rotary drum includes the top spin rotary drum and revolves the rotary drum down, is equipped with respectively on the lateral wall of top spin rotary drum and revolves the rotary drum down and revolves to opposite helical blade, can follow the top spin rotary drum and do rotary motion with revolving the rotary drum down, aims at making the rice disperse the motion, can increase long with the contact of filter screen to improve the dust removal effect of filter screen to the rice, helical blade can push the both sides respectively because of the great unqualified grain of rice of size simultaneously to prevent that the rice from piling up.
6. The purpose that the wind current circulation mechanism set up lies in: under the action of wind power, the rice dust removal assisting device can assist the rice dust removal; and secondly, the effect of circulating self-cleaning can be realized.
7. The axial side wall of the filter bag is symmetrically provided with grooves, and the purpose of the arrangement is to realize the sufficient contact between the rice and the filter bag, thereby achieving the best dust removal effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a circulating self-cleaning type high-pressure pulse dust collector of the present invention;
FIG. 2 is a schematic view of the enlarged partial structure of FIG. 1;
FIG. 3 is a schematic structural diagram of an injection ash collecting mechanism of the circulating self-cleaning high-pressure pulse dust collector;
FIG. 4 is a schematic structural diagram of a filter bag of the circulating self-cleaning high-pressure pulse dust collector of the invention;
FIG. 5 is a schematic structural view of a drum of the cyclic self-cleaning high-pressure pulse dust collector of the present invention;
FIG. 6 is a schematic view of the air flow cycle of the cyclic self-cleaning high pressure pulse dust collector of the present invention;
in the figure: 1. a dust collector body; 2. a feed hopper 21, a feed control valve; 3. the dust collecting mechanism 31, the filter bag 311, the groove 32, the rotating shaft 33, the driving motor 34 and the motor support; 4. the electrostatic precipitation mechanism comprises 41 parts of a rotary drum, 411 parts of a through hole, 412 parts of an upper rotary drum, 413 parts of a lower rotary drum, 42 parts of a connecting shaft, 43 parts of an electrostatic grid; 5. the blowing ash collecting mechanism 51, the pulse valve 52, the air pipe 521, the blowing opening 53, the ash collecting hopper 54 and the filter screen; 6. a material collecting box; 7. a discharge hopper 71, a one-way valve; 8. air current circulation mechanism 81, ventilation pipe 82, blower 83, return fan 84 and filter box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Referring to fig. 1-6, the present invention provides the following technical solutions: a circulating self-cleaning high-voltage pulse dust collector comprises a dust collector body 1, a feed hopper 2, a dust collecting mechanism 3, an electrostatic dust collecting mechanism 4, a blowing dust collecting mechanism 5, a dust collecting box 6, a discharge hopper 7 and an air flow circulating mechanism 8, wherein the feed hopper 2 is fixedly connected to the top end of the dust collector body 1, the dust collecting mechanism 3 is positioned below the feed hopper 2, the lower end of the feed hopper 2 is communicated with the dust collecting mechanism 3, the blowing dust collecting mechanism 5 is positioned at the lower end of the dust collector body 1, one end of the electrostatic dust collecting mechanism 4 is connected with the dust collecting mechanism 3, the other end of the electrostatic dust collecting mechanism 4 is connected with the blowing dust collecting mechanism 5, the dust collecting box 6 is arranged below the blowing dust collecting mechanism 5, the upper end of the dust collecting box 6 is communicated with the blowing dust collecting mechanism 5, the discharge hopper 7 is fixedly connected to one side of the dust collecting box 6, the air flow circulating mechanism 8 is positioned outside the dust collector body 1, the air flow circulating mechanism 8 is respectively connected with the dust collecting mechanism 3, the electrostatic dust removing mechanism 4 and the blowing dust collecting mechanism 5 through pipelines.
The power supply is connected, and rice is put into the dust remover body 1 from the feed hopper 2; firstly, the rice enters a dust collection mechanism 3 to perform the first rice and dust separation function; secondly, entering an electrostatic precipitation mechanism 4, performing secondary dust removal under the action of electrostatic force, and discharging unqualified rice grains with large size and quality inspection; secondly, the rice grains enter a blowing ash collecting mechanism 5 to carry out the third powder-mass separation, and meanwhile, the rice grains with unqualified quality inspection due to small size are discharged; in the third dust removal process, the air flow circulating mechanism 8 plays an auxiliary role; the rice after dust removal falls into a material collecting box 6 and is discharged by a discharge hopper 7; finally, the air flow circulating mechanism 8 can be used for self-cleaning the interior of the dust remover body 1 and uniformly collecting and processing dust.
The air current circulation mechanism 8 comprises a ventilation pipeline 81, a blower 82, a return fan 83 and a filter box 84, the blower 82 is positioned at the upper end of the dust remover body 1, the return fan 83 is positioned at one side of the dust remover body 1, one end of the blower 82 is respectively connected with the dust collection mechanism 3 through the ventilation pipeline 81, the electrostatic dust collection mechanism 4 is connected, the other end of the blower 82 is connected with the return fan 83 through the ventilation pipeline 81, one end of the return fan 83 far away from the blower 82 is connected with the filter box 84 through the ventilation pipeline 81, the filter box 84 is positioned at one side of the dust remover body 1, one end of the filter box 84 far away from the return fan 83 is respectively connected with the dust collection mechanism 3 through the ventilation pipeline 81, the electrostatic dust collection mechanism 4 and the blowing dust collection mechanism 5 are connected.
The power supply is connected, the blower 82 and the return fan 83 start to function, the blower 82 conveys air to the interior of the dust remover body 1 through the ventilation pipeline 81, the return fan 83 recovers the air in the interior of the dust remover body 1 through the ventilation pipeline 81, the air recovered by the return fan 83 achieves a purifying effect through the filter box 84, and the purified air is conveyed to the blower 82 through the ventilation pipeline 81, so that primary air flow circulation is achieved.
The dust collecting mechanism 3 comprises a filter bag 31, a rotating shaft 32, a driving motor 33 and a motor support 34, the motor support 34 is arranged on the outer side wall of the dust remover body 1, one side of the driving motor 33 is fixed on the motor support 34, the rotating shaft 32 is arranged in the horizontal direction, one end of the rotating shaft 32 penetrates through the dust remover body 1 and is connected with the movable end of the driving motor 33, two ends of the rotating shaft 32 are respectively connected with a bearing of the dust remover body 1, and the filter bag 31 penetrates through the rotating shaft 32; the end of the filter bag 31 remote from the drive motor 33 is connected to a filter cassette 84 via a ventilation duct 81.
Rice enters the dust collection mechanism 3, is communicated with a power supply, starts the driving motor 33, the driving motor 33 drives the rotating shaft 32, and the rotating shaft 32 drives the filter bag 31 to rotate; the rice is fully contacted with the filter bag 31, and the dust is adsorbed on the inner wall and the outer wall of the filter bag 31, so that the dust removal effect is realized; meanwhile, the blower 82 delivers air to the filter bag 31 through the ventilation duct 81, and then the air is recovered through the ventilation duct 81 and the filter box 84, so that the problem that the dust is accumulated too thickly to affect the smooth proceeding of the subsequent processing procedures is avoided.
The axial side wall of the filter bag 31 is symmetrically provided with grooves 311.
The rice enters from the upper part of the filter bag 31, part of the rice is in direct contact with the outer wall of the filter bag 31, part of the rice enters the filter bag 31 from the groove 311 and is in contact with the inner wall of the filter bag 31, and the rice can be fully contacted with the filter bag 31 under the condition that the filter bag 31 does not stop rotating motion, so that the best dust removal effect is realized.
The electrostatic precipitation mechanism 4 comprises a rotary drum 41, a connecting shaft 42 and an electrostatic grid 43, wherein the connecting shaft 42 and the rotary drum 41 are both arranged in the horizontal direction, one end of the connecting shaft 42 is connected with the inner wall of the precipitator body 1, the other end of the connecting shaft 42 is movably connected with the rotary drum 41, and the electrostatic grid 43 is arranged under the rotary drum 41 in parallel; one end of the coupling shaft 42 is connected to the blower 82 through a ventilation duct 81, and the other end of the coupling shaft 42 is connected to the filter box 84 through the ventilation duct 81.
The rice enters the electrostatic precipitation mechanism 4, the blower 82 and the return fan 83 are started, and the electrostatic grid 43 is connected with a high-voltage power supply; the blower 82 conveys air to the inside of the rotating shaft 42 through the ventilating duct 81, and drives the rotating drum 41 to rotate by utilizing the air convection principle, so as to push the rice to move on the upper surface of the electrostatic grid 43; adsorbing dust on the surface of the rice on the electrostatic grid 43 by using electrostatic acting force, and simultaneously enabling the rice qualified for detection to enter the next procedure through the electrostatic grid 43, and leaving the rice grains with unqualified quality due to large size to the electrostatic dust removal mechanism 4; at the same time, the return fan recovers air from the ventilation duct 81 through the filter box 84, and the purified air is recycled.
The blowing ash-collecting mechanism 5 comprises a pulse valve 51, an air pipe 52, an ash-collecting hopper 53 and a filter screen 54, wherein the pulse valve 51 is arranged on one side of the dust remover body 1, one end of the pulse valve 51 is connected with the air pipe 52, the air pipe 52 is symmetrically arranged along the inner wall of the dust remover body 1, one side of the air pipe 52, which is far away from the dust remover body 1, is provided with a plurality of blowing openings 521, the filter screen 54 is arranged inside the dust remover body 1, and the ash-collecting hopper 53 is connected with the bottom end of the filter screen 54; one end of the pulse valve 51 far away from the air pipe 52 is connected with a blower 82 through a ventilation pipeline 81, and one side of the dust collection hopper 53 is connected with a filter box 84 through the ventilation pipeline 81.
The power supply is connected, and the rice enters the blowing ash collecting mechanism 5; the pulse valve 51 is started, air conveyed by the blower 82 enters the dust remover body 1 from the blowing opening 521 through the air pipe 52, so that the blowing effect is realized, and rice moves dispersedly; the air returning fan 83 recovers air in the ash collecting hopper 53 through the ventilation pipeline 81, and adsorbs rice to the surface of the filter screen 54, so that dust carried by the rice is sucked into the ash collecting hopper 53, and unqualified rice grains due to small size are discharged; meanwhile, the air inside the blowing dust collecting mechanism 5 is recycled to the filter box 84, the dust is left in the filter box 84, and the purified air is recycled; after the dust removal is completed, the return fan 83 is turned off, and the rice naturally falls down due to the action of gravity so as to be collected uniformly.
The rotating drum 41 is provided with a plurality of through holes 411, the through holes 411 and the axis of the rotating drum 41 are arranged in a staggered manner, the size of the through holes 411 is far smaller than the size of qualified rice grains, and the purpose is to generate acting force with the rotating drum 41 by means of the process that air is dispersed from the through holes 411 to the outside of the rotating drum 41, so that convection is generated by the air to realize the rotating movement of the rotating drum 41.
The rotary drum 41 comprises an upper rotary drum 412 and a lower rotary drum 413, the upper rotary drum 412 is movably connected with the lower rotary drum 413 in a threaded manner, and the cross section area of the upper rotary drum 412 is larger than that of the lower rotary drum 413; the outer side walls of the upper rotary drum 412 and the lower rotary drum 413 are respectively provided with helical blades with opposite rotation directions.
The airflow is introduced into the rotating drum 41 and is emitted to the outside through the through holes 411, so that an acting force is generated between the airflow and the rotating drum 41, the upper rotating drum 412 and the lower rotating drum 413 rotate simultaneously, the helical blades on the upper rotating drum 412 and the lower rotating drum 413 move along with the rotation, rice moves in a dispersed manner, the contact time of the rice and the filter screen 54 can be prolonged, the dust removal effect of the filter screen 54 on the rice is improved, meanwhile, unqualified rice grains due to large size can be respectively pushed to the two ends of the filter screen 54 under the action of the helical blades, the phenomenon of accumulation is prevented, and qualified rice directly falls down through the filter screen 54.
The strainer 54 is in the shape of an inverted "U". Because the rice under the pulse blowing effect is scattered all around, the filter screen 54 of the inverted U shape can realize multi-azimuth ash collection and quality inspection effects according to the characteristics.
The lower end of the feed hopper 2 is provided with a feed control valve 21, and the discharge hopper 7 is provided with a one-way valve 71.
Rice is put into the interior 1 of the dust remover body from a feed hopper 2, and the blanking speed is controlled by a feed control valve 21; the one-way valve 71 is opened to discharge the rice after dust removal from the discharge hopper 7, thereby facilitating the next process.
The working principle of the invention is as follows: 1. the power supply is communicated, rice is put into the dust remover body 1 from the feed hopper 2, and the feeding speed is controlled by the feeding control valve 21;
2. rice enters the dust collection mechanism 3, the driving motor 33 is started, the driving motor 33 drives the rotating shaft 32, and the rotating shaft 32 drives the filter bag 31 to rotate;
the rice enters from the upper part of the filter bag 31, the blower 82 simultaneously conveys air to the filter bag 31 through the ventilation pipeline 81, the moving route of the rice is disturbed, part of the rice is directly contacted with the outer wall of the filter bag 31, and part of the rice enters the interior of the filter bag 31 from the groove 311 and is contacted with the inner wall of the filter bag 31, so that the dust is adsorbed on the inner wall and the outer wall of the filter bag 31;
3. the rice falls into the electrostatic precipitation mechanism 4 from the groove 311, the blower 82 and the return fan 83 are started, and the electrostatic grid 43 is connected with a high-voltage power supply; the blower 82 delivers air to the inside of the rotating shaft 42 through the ventilation duct 81, and generates acting force with the rotating drum 41 by the process that the air is dispersed to the outside of the rotating drum 41 through the through hole 411, so that convection is generated by the air, the upper rotating drum 412 and the lower rotating drum 413 rotate at the same time, and the helical blades on the upper rotating drum 412 and the lower rotating drum 413 move along with the air, so that the rice is dispersed to move, and the rice is pushed to move on the upper surface of the electrostatic grid 43;
by utilizing the electrostatic acting force, the dust on the surface of the rice is adsorbed on the electrostatic grid 43, meanwhile, the unqualified rice grains due to the large size can be respectively pushed to the two ends of the filter screen 54 under the action of the helical blades so as to prevent the accumulation phenomenon, and the qualified rice is directly detected to enter the next procedure through the electrostatic grid 43;
4. the rice enters the blowing ash-collecting mechanism 5, the pulse valve 51 is started, the air conveyed by the blower 82 enters the dust remover body 1 from the blowing opening 521 through the air pipe 52, the blowing effect is realized, and the rice moves dispersedly;
the air returning fan 83 recovers air in the ash collecting hopper 53 through the ventilation pipeline 81, and adsorbs rice to the surface of the filter screen 54, so that dust carried by the rice is sucked into the ash collecting hopper 53, and unqualified rice grains due to small size are discharged;
5. after the dust removal is finished, the air return fan 83 is closed, the rice naturally falls to the material collection box 6 under the action of gravity, the one-way valve 71 is opened, and the rice is discharged from the discharge hopper 7;
6. in the dust removal process, the air blower 82 continuously conveys air to the interior of the dust remover body 1 through the ventilation pipeline 81, the air return fan 83 recovers the air in the interior of the dust remover body 1 through the ventilation pipeline 81, the air recovered by the air return fan 83 is purified through the filter box 84, dust is reserved in the filter box 84, and the purified air is conveyed to the air blower 82 through the ventilation pipeline 81, so that air flow circulation is realized, and self-cleaning is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a circulation self-cleaning formula high-pressure pulse dust remover which characterized in that: the high-voltage pulse dust collector comprises a dust collector body (1), a feed hopper (2), a dust collecting mechanism (3), an electrostatic dust collecting mechanism (4), an injection dust collecting mechanism (5), a material collecting box (6), a material discharging hopper (7) and an air flow circulating mechanism (8), wherein the feed hopper (2) is fixedly connected to the top end of the dust collector body (1), the dust collecting mechanism (3) is positioned below the feed hopper (2), the lower end of the feed hopper (2) is communicated with the dust collecting mechanism (3), the injection dust collecting mechanism (5) is positioned at the lower end of the dust collector body (1), one end of the electrostatic dust collecting mechanism (4) is connected with the dust collecting mechanism (3), the other end of the electrostatic dust collecting mechanism (4) is connected with the injection dust collecting mechanism (5), the material collecting box (6) is arranged below the injection dust collecting mechanism (5), and the upper end of the material collecting box (6) is communicated with the injection dust collecting mechanism (5), the discharge hopper (7) is fixedly connected to one side of the material collecting box (6), the air flow circulating mechanism (8) is positioned on the outer side of the dust remover body (1), and the air flow circulating mechanism (8) is respectively connected with the dust collecting mechanism (3), the electrostatic precipitation mechanism (4) and the blowing ash collecting mechanism (5) through pipelines;
air current circulation mechanism (8) include air pipe (81), forced draught blower (82), return air fan (83) and filter cartridge (84), forced draught blower (82) are located the upper end of dust remover body (1), return air fan (83) are located one side of dust remover body (1), the one end of forced draught blower (82) is passed through air pipe (81) and is collected mechanism (3), electrostatic precipitation mechanism (4) with the dust respectively and link to each other, and the other end of forced draught blower (82) passes through air pipe (81) and links to each other with return air fan (83), return air fan (83) keep away from the one end of forced draught blower (82) and pass through air pipe (81) and link to each other with filter cartridge (84), filter cartridge (84) are located one side of dust remover body (1), and the one end that return air fan (83) were kept away from in filter cartridge (84) is passed through air pipe (81) and is collected mechanism (3) with the dust respectively, The electrostatic dust removing mechanism (4) and the blowing dust collecting mechanism (5) are connected.
2. A cyclic self-cleaning high-pressure pulse dust collector as claimed in claim 1, wherein: the dust collecting mechanism (3) comprises a filter bag (31), a rotating shaft (32), a driving motor (33) and a motor support (34), the motor support (34) is arranged on the outer side wall of the dust collector body (1), one side of the driving motor (33) is fixed on the motor support (34), the rotating shaft (32) is arranged in the horizontal direction, one end of the rotating shaft (32) penetrates through the dust collector body (1) to be connected with the movable end of the driving motor (33), two ends of the rotating shaft (32) are respectively connected with bearings of the dust collector body (1), and the filter bag (31) penetrates through the rotating shaft (32); one end of the filter bag (31) far away from the driving motor (33) is connected with the filter box (84) through a ventilation pipeline (81).
3. A cyclic self-cleaning high-pressure pulse dust collector as claimed in claim 2, wherein: the axial side wall of the filter bag (31) is symmetrically provided with grooves (311).
4. A cyclic self-cleaning high-pressure pulse dust collector as claimed in claim 1, wherein: the electrostatic dust removal mechanism (4) comprises a rotary drum (41), a connecting shaft (42) and an electrostatic grid (43), the connecting shaft (42) and the rotary drum (41) are arranged in the horizontal direction, one end of the connecting shaft (42) is connected with the inner wall of the dust remover body (1), the other end of the connecting shaft (42) is movably connected with the rotary drum (41), and the electrostatic grid (43) is arranged under the rotary drum (41) in parallel; one end of the connecting shaft (42) is connected with the blower (82) through a ventilating duct (81), and the other end of the connecting shaft (42) is connected with the filter box (84) through the ventilating duct (81).
5. A cyclic self-cleaning high-pressure pulse dust collector as claimed in claim 1, wherein: the blowing ash collecting mechanism (5) comprises a pulse valve (51), an air pipe (52), an ash collecting hopper (53) and a filter screen (54), wherein the pulse valve (51) is arranged on one side of the dust remover body (1), one end of the pulse valve (51) is connected with the air pipe (52), the air pipe (52) is symmetrically arranged along the inner wall of the dust remover body (1), one side of the air pipe (52) departing from the dust remover body (1) is provided with a plurality of blowing openings (521), the filter screen (54) is arranged in the dust remover body (1), and the ash collecting hopper (53) is connected with the bottom end of the filter screen (54); one end of the pulse valve (51) far away from the air pipe (52) is connected with the blower (82) through a ventilation pipeline (81), and one side of the dust collection hopper (53) is connected with the filter box (84) through the ventilation pipeline (81).
6. The circulating self-cleaning high-pressure pulse dust collector as claimed in claim 4, wherein: one side of the rotary drum (41) is intensively provided with a plurality of through holes (411), and the through holes (411) and the axis of the rotary drum (41) are arranged in a staggered manner.
7. The circulating self-cleaning high-pressure pulse dust collector as claimed in claim 4, wherein: the rotary drum (41) comprises an upper rotary drum (412) and a lower rotary drum (413), the upper rotary drum (412) is movably connected with the lower rotary drum (413) in a threaded mode, and the cross section area of the upper rotary drum (412) is larger than that of the lower rotary drum (413); the outer side walls of the upper rotary drum (412) and the lower rotary drum (413) are respectively provided with helical blades with opposite rotation directions.
8. The circulating self-cleaning high-pressure pulse dust collector as claimed in claim 5, wherein: the shape of the filter screen (54) is in an inverted U shape.
9. A cyclic self-cleaning high-pressure pulse dust collector as claimed in claim 1, wherein: the lower extreme of feeder hopper (2) is equipped with feed control valve (21), go out hopper (7) and be equipped with check valve (71).
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| CN202011205396.5A CN112439702B (en) | 2020-11-02 | 2020-11-02 | Circulation self-cleaning formula high-pressure pulse dust remover |
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| CN202011205396.5A CN112439702B (en) | 2020-11-02 | 2020-11-02 | Circulation self-cleaning formula high-pressure pulse dust remover |
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| CN112439702B true CN112439702B (en) | 2021-11-05 |
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| JPH0657257A (en) * | 1992-08-05 | 1994-03-01 | Nippon Steel Corp | Scattered coke powder recovery apparatus for machine for cleaning rail of coke oven quenching car |
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| CN112439702A (en) | 2021-03-05 |
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