CN112246631B - Safe and environment-friendly sealing device for powder concentrator - Google Patents

Safe and environment-friendly sealing device for powder concentrator Download PDF

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Publication number
CN112246631B
CN112246631B CN202010924542.3A CN202010924542A CN112246631B CN 112246631 B CN112246631 B CN 112246631B CN 202010924542 A CN202010924542 A CN 202010924542A CN 112246631 B CN112246631 B CN 112246631B
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China
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powder
spiral sleeve
annular magnetic
shell
main shaft
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CN112246631A (en
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吕海峰
曹海宁
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Jiangsu Jileng Da Environmental Energy Technology Co ltd
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Jiangsu Jileng Da Environmental Energy Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B7/00Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/083Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/40Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a safe and environment-friendly sealing device of a powder concentrator, which comprises a driving motor and is characterized in that: the powder concentrator is characterized in that a main shaft is sleeved and mounted below the driving motor, a powder concentrator box cover is arranged on the outer side of the main shaft, a sealing screening device and an interface sealing device are arranged on the outer side of the main shaft, the sealing screening device comprises a shell which is welded and mounted below the powder concentrator box cover, a screening plate is fixedly mounted at the tail end of the main shaft, a gap between the screening plate and the shell is a fine powder channel, a first spiral sleeve is fixedly mounted above the screening plate, double-layer external threads are arranged on the outer side of the first spiral sleeve, double-layer internal threads are arranged inside the shell, the first spiral sleeve is meshed and connected with the shell, air outlet pipes are correspondingly arranged on two sides above the first spiral sleeve, and the first spiral sleeve is a magnetic sleeve.

Description

Safe and environment-friendly sealing device for powder concentrator
Technical Field
The invention relates to the technical field of powder separators, in particular to a safe and environment-friendly sealing device of a powder separator.
Background
The powder concentrator has a plurality of types, the materials with different types are different, and different types are manufactured according to the requirement of customers on the fineness of the materials. Common powder separators include cyclone powder separator, three-separation powder separator, centrifugal powder separator, coal mill separator, calcium powder separator, etc. And a plurality of high-efficiency powder separators, namely high-efficiency three-separation powder separators, are developed later and are new-generation varieties which are not improved enough on the basis of the original varieties and improve the yield.
The sealing device of the existing powder concentrator is easy to cause blockage and poor in practicability during powder concentration, and meanwhile, when fine powder of the sealing device of the existing powder concentrator is sucked, the sealing device of the existing powder concentrator can cause large impact on the interface of a storage box, so that the sealing device of the interface is abraded. Therefore, it is necessary to design a safe and environment-friendly sealing device of the powder concentrator, which can not cause blockage and has high sealing performance.
Disclosure of Invention
The invention aims to provide a safe and environment-friendly sealing device of a powder concentrator, which aims 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 safe environmental protection's selection powder machine sealing device, includes driving motor, its characterized in that: the main shaft is sleeved and mounted below the driving motor, a powder concentrator box cover is arranged on the outer side of the main shaft, a sealing screening device and an interface sealing device are arranged on the outer side of the main shaft, the sealing screening device is used for improving the airtightness of the powder concentrator, and the interface sealing device is used for improving the airtightness of an interface.
According to the technical scheme, the sealing and screening device comprises a shell welded below a box cover of the powder concentrator, a screen plate is fixedly mounted at the tail end of a main shaft, a fine powder channel is arranged in a gap between the screen plate and the shell, a first spiral sleeve is fixedly mounted above the screen plate, double-layer external threads are arranged on the outer side of the first spiral sleeve, double-layer internal threads are arranged inside the shell, the first spiral sleeve is meshed with the shell, air outlet pipes are correspondingly arranged on two sides above the first spiral sleeve, the first spiral sleeve is a magnetic sleeve and drives the main shaft to select, the main shaft rotates to drive a screening plate at the tail end of the main shaft to screen materials, the double-layer external threads on the outer side of the first spiral sleeve are meshed with the double-layer internal threads inside the shell to form an annular channel, and fine powder is blown out of the air outlet pipes through the annular channel, the situation that the fine powder channel is blocked at one time due to excessive fine powder is avoided.
According to the technical scheme, the outer side of the main shaft is connected with the second spiral sleeve in a meshed mode, the two sides of the tail end of the second spiral sleeve are correspondingly provided with the fan blades, the outer side of the second spiral sleeve is provided with the annular magnetic plate in a welded mode, fiber cloth is fixedly installed on the outer side of the annular magnetic plate, the fan blades are pushed by wind blown out of the air outlet pipe to drive the second spiral sleeve to rotate, the sleeve rotates and meanwhile drives the annular magnetic plate on the outer side to rotate, the fiber cloth arranged between the annular magnetic plate and the shell has strong ductility in the transverse direction and the longitudinal direction, the fiber cloth is driven by the rotation of the annular magnetic plate to rotate and wind, and when the structure stops moving, the fiber cloth contracts reversely to drive the annular magnetic plate to return to the original position.
According to the technical scheme, the non-Newtonian liquid is arranged above the annular magnetic plate, the powder suction box is welded and installed on one side of the shell, when the second spiral sleeve starts to rotate, the non-Newtonian liquid generates a climbing rod effect above the annular plate and climbs along the second spiral sleeve to drive the annular magnetic plate to move upwards, and therefore fine powder is in contact with the powder suction box.
According to the technical scheme, the inside fixed mounting who inhales the powder case has the dust filtration net, the below welded mounting of dust filtration net has many heating rods, the below both sides correspondence of inhaling the powder case is provided with first semi-permeable membrane and second semi-permeable membrane, the left side of inhaling powder case top is provided with the third semi-permeable membrane.
According to the technical scheme, the opening directions of the first semi-permeable membrane and the second semi-permeable membrane are consistent.
According to the technical scheme, a centrifugal fan is fixedly installed on one side of a powder suction box and is electrically connected with fan blades, a discharge pipe is installed in the centrifugal fan in a sleeved mode, a powder storage box is arranged at the other end of the discharge pipe, the first spiral sleeve is magnetic and is provided with an annular magnetic plate, the fan blades rotate between two magnetic structures to do cutting magnetic induction line motion, the fan blades are electrically connected with the centrifugal fan to supply power to the centrifugal fan, the centrifugal fan is started to absorb fine powder in the powder suction box, the first semi-permeable membrane is opened to suck the fine powder and air into the powder suction box together, the air is heated through a heating rod, the hot air enters the upper layer through a dust filter net, the remaining fine powder and a small amount of air are sucked out through the second semi-permeable membrane, when the amount of hot air is large, the third membrane is semi-permeable, and the hot air enters the shell of the powder concentrator to circulate, the impact force of the fine powder is reduced by reducing the air sucked out together with the fine powder, so that the device is abraded and the sealing performance of the powder concentrator is improved.
According to the technical scheme, the interface sealing device comprises powerful annular magnetic blocks fixedly installed on the discharging pipe and the powder storage box interface, a magnetic powdery medium is arranged between the two powerful annular magnetic blocks, the powerful annular magnetic blocks attract the magnetic powdery medium, so that the magnetic powdery medium is tightly connected to seal the interface, the discharging pipe and the powder storage box are directly buckled in the original structure, abrasion resistance is improved, meanwhile, the sealing performance of the interface is also improved, and fine powder cannot leak.
According to the technical scheme, the chute is formed in the strong annular magnetic block, the tension rope is fixedly installed on the inner ring of the strong annular magnetic block, the scraper knife is fixedly installed at the other end of the tension rope and is in sliding connection with the strong annular magnetic block, when fine powder containing a large amount of metal properties enters the powder storage box through the strong annular magnetic block, the fine powder can impact the magnetic powdery medium, so that the magnetic powdery medium is abraded and reduced, meanwhile, the strong annular magnetic block adsorbs the fine powder containing the metal properties at the abraded notch of the magnetic powdery medium to replace the abraded part, when the fine powder is adsorbed every time, the fine powder impacts the scraper knife to push the scraper knife to level the magnetic powdery medium, or the redundant adsorbed fine powder is scraped, so that the magnetic powdery medium can be supplemented, and the shape of the magnetic powdery medium can be kept unchanged, the sealing performance at the interface is ensured.
Compared with the prior art, the invention has the following beneficial effects: in the invention, the raw materials are mixed,
(1) the second spiral sleeve is driven to rotate by the wind blown out from the air outlet pipe, the sleeve rotates and simultaneously drives the annular magnetic plate at the outer side to rotate, the fiber cloth arranged between the annular magnetic plate and the shell has strong ductility in the transverse direction and the longitudinal direction, and the fiber cloth is driven to rotate and wind by the rotation of the annular magnetic plate, when the second spiral sleeve starts to rotate, the non-Newtonian liquid generates a rod climbing effect above the annular plate and climbs along the second spiral sleeve to drive the annular magnetic plate to move upwards so that the fine powder is contacted with the powder suction box, when the structure stops moving, the fiber cloth contracts reversely to drive the annular magnetic plate to return to the original position, and the annular magnetic plate moves repeatedly, so that the device is prevented from being abraded due to excessive adsorbed fine powder, and the energy waste is prevented from being caused by too little sucked fine powder;
(2) by arranging the powder suction box, the dust filtering net, the heating rod, the first semi-permeable membrane, the second semi-permeable membrane and the third semi-permeable membrane, because the first spiral sleeve is magnetic and has the annular magnetic plate, the fan blade rotates to cut the magnetic induction line between the two magnetic structures, the fan blade is electrically connected with the centrifugal fan, the centrifugal fan is powered on, the centrifugal fan is started to absorb the fine powder in the powder absorption box, the first semi-permeable membrane is opened to absorb the fine powder and air into the powder absorption box together, the air is heated by the heating rod, the hot air enters the upper layer through the dust filtering net, the remaining fine powder and a small amount of air are sucked out through the second semi-permeable membrane, when more hot air is available, the third semi-permeable membrane is spread, the hot air enters the shell of the powder concentrator for circulation, the impact force of the fine powder is reduced by reducing the air sucked out together with the fine powder, so that the sealing performance of the powder concentrator is improved while the impact of the device is reduced;
(3) by arranging the powerful annular magnet, the magnetic powdery medium, the scraper knife and the pull rope, the magnetic powdery medium is tightly connected to seal the interface by attracting the powerful annular magnetic block, the direct buckle between the discharge pipe and the powder storage box in the original structure is replaced, the abrasion resistance is improved, meanwhile, the tightness of the interface is increased, the fine powder cannot leak, when the fine powder containing a large amount of metal property enters the powder storage box through the powerful annular magnetic block, the fine powder can impact the magnetic powdery medium, so that the magnetic powdery medium is abraded and reduced, meanwhile, the powerful annular magnetic block adsorbs the fine powder containing the metal property to the abraded notch of the magnetic powdery medium to replace the abraded part, when the fine powder is attracted each time, the fine powder impacts the scraper knife to push the scraper knife to level the magnetic powdery medium, or redundant adsorbed adsorption is eradicated, so that the shape of the magnetic powdery medium can be kept unchanged while the magnetic powdery medium can be supplemented, the channel cannot be blocked, and the sealing property of the interface is ensured.
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 overall elevational cross-sectional structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the annular magnetic plate of the present invention;
FIG. 4 is a schematic cross-sectional front view of the annular magnetic plate of the present invention in a first state;
FIG. 5 is a schematic cross-sectional front view of a second state of the annular magnetic plate of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 7 is an enlarged view of the portion C of FIG. 1 in accordance with the present invention;
FIG. 8 is an enlarged view of the structure of the portion C of FIG. 1;
in the figure: 1. a drive motor; 2. a main shaft; 3. a powder concentrator box cover; 4. a housing; 5. sieving a sieve plate; 6. a first helical sleeve; 7. an air outlet pipe; 8. a second helical sleeve; 9. a fan blade; 10. an annular magnetic plate; 11. fiber cloth; 12. a discharge pipe; 13. a centrifugal fan; 14. a powder storage box; 15. a non-Newtonian liquid; 16. a powder suction box; 17. a dust filter screen; 18. a first semi-permeable membrane; 19. a second semi-permeable membrane; 20. a heating rod; 21. a third semi-permeable membrane; 22. a powerful annular magnetic block; 23. a magnetic powdered medium; 24. a scraper knife; 25. a tension rope.
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. 1-8, the present invention provides the following technical solutions: the utility model provides a safe environmental protection's selection powder machine sealing device, includes driving motor 1, its characterized in that: a main shaft 2 is sleeved and mounted below the driving motor 1, a powder concentrator box cover 3 is arranged on the outer side of the main shaft 2, a sealing screening device and an interface sealing device are arranged on the outer side of the main shaft 2, the sealing screening device is used for improving the airtightness of the powder concentrator, and the interface sealing device is used for improving the airtightness of an interface;
the sealed screening device comprises a shell 4 welded below a powder separator box cover 3, a screen plate 5 is fixedly installed at the tail end of a main shaft 2, a gap between the screen plate 5 and the shell 4 is a fine powder channel, a first spiral sleeve 6 is fixedly installed above the screen plate 5, double-layer external threads are arranged on the outer side of the first spiral sleeve 6, double-layer internal threads are arranged inside the shell 4, the first spiral sleeve 6 is meshed with the shell 4, air outlet pipes 7 are correspondingly arranged on two sides above the first spiral sleeve 6, the first spiral sleeve 6 is a magnetic sleeve, a driving motor 1 is started to drive the main shaft 2 to rotate, the main shaft 2 rotates to drive a screening plate 5 at the tail end of the main shaft to screen materials, the double-layer external threads on the outer side of the first spiral sleeve 6 are meshed with the double-layer internal threads inside the shell 4 to form an annular channel, fine powder is blown out of the air outlet pipes 7 through the annular channel, the situation that the fine powder channel is blocked at one time due to excessive fine powder is avoided;
a second spiral sleeve 8 is meshed and connected with the outer side of the main shaft 2, fan blades 9 are correspondingly arranged on two sides of the tail end of the second spiral sleeve 8, an annular magnetic plate 10 is welded and installed on the outer side of the second spiral sleeve 8, fiber cloth 11 is fixedly installed on the outer side of the annular magnetic plate 10, the fan blades 9 are pushed by air blown out of an air outlet pipe 7 to drive the second spiral sleeve 8 to rotate, the annular magnetic plate 10 on the outer side is driven to rotate by the rotation of the second spiral sleeve 8, the fiber cloth 11 arranged between the annular magnetic plate 10 and the shell 4 has strong extensibility in the transverse direction and the longitudinal direction, the fiber cloth 11 is driven to rotate and wind by the rotation of the annular magnetic plate 10, and when the structure stops moving, the fiber cloth 11 contracts reversely to drive the annular magnetic plate 10 to return to the original position;
a non-Newtonian liquid 15 is arranged above the annular magnetic plate 10, a powder suction box 16 is welded on one side of the shell 4, when the second spiral sleeve 8 starts to rotate, the non-Newtonian liquid 15 generates a climbing rod effect on the annular magnetic plate 10, climbs along the second spiral sleeve 8, drives the annular magnetic plate 10 to move upwards, and enables fine powder to be in contact with the powder suction box 16;
a dust filtering net 17 is fixedly arranged in the powder absorbing box 16, a plurality of heating rods 20 are welded below the dust filtering net 17, a first semi-permeable membrane 18 and a second semi-permeable membrane 19 are correspondingly arranged on two sides below the powder absorbing box 16, and a third semi-permeable membrane 21 is arranged on the left side above the powder absorbing box 16;
the opening direction of the first semi-permeable membrane 18 is consistent with that of the second semi-permeable membrane 19;
a centrifugal fan 13 is fixedly installed on one side of a powder suction box 16, the centrifugal fan 13 is electrically connected with fan blades 9, a discharge pipe 12 is installed inside the centrifugal fan 13 in a sleeved mode, a powder storage box 14 is arranged at the other end of the discharge pipe 12, because the first spiral sleeve 6 is magnetic and has an annular magnetic plate 10, the fan blades 9 rotate between two magnetic structures to do cutting magnetic induction line motion, the fan blades 9 are electrically connected with the centrifugal fan 13 to supply power to the centrifugal fan 13, the centrifugal fan 13 is started to absorb fine powder in the powder suction box 16, the first semi-permeable membrane 18 is opened to suck the fine powder and air into the powder suction box 16 together, air is heated through a heating rod 20, hot air enters an upper layer through a dust filter screen 17, the remaining fine powder and a small amount of air are sucked out through a second semi-permeable membrane 19, when the amount of hot air is large, the third semi-permeable membrane 21 is spread, and the hot air enters the powder separator shell 4 to circulate, the impact force of the fine powder is reduced by reducing the air sucked out together with the fine powder, so that the device is abraded and the sealing performance of the powder concentrator is improved;
the interface sealing device comprises a strong annular magnetic block 22 fixedly arranged at the interface between the discharge pipe 12 and the powder storage box 14, a magnetic powdery medium 23 is arranged between the two strong annular magnetic blocks 22, and the magnetic powdery medium 23 is tightly connected to seal the interface by the attraction of the strong annular magnetic block 22 to the magnetic powdery medium 23, so that the original structure is replaced by directly and directly buckling the discharge pipe 12 and the powder storage box 14, the abrasion resistance is improved, the sealing performance of the interface is also improved, and the fine powder cannot leak;
the inside of the powerful annular magnetic block 22 is provided with a chute, the inner ring of the powerful annular magnetic block 22 is fixedly provided with a tension rope 25, the other end of the tension rope 25 is fixedly provided with a scraper 24, the scraper 24 is in sliding connection with the powerful annular magnetic block, when fine powder containing a large amount of metal property enters the powder storage box through the powerful annular magnetic block 22, the fine powder can impact the magnetic powdery medium 23, so that the magnetic powdery medium 23 is abraded and reduced, meanwhile, the powerful annular magnetic block 22 adsorbs the fine powder containing metal property at the abraded gap of the magnetic powdery medium 23 to replace the abraded part, when fine powder is adsorbed every time, the fine powder impacts the scraper 24 to push the scraper 24 to flatly scrape the magnetic powdery medium 23, or scrape off redundant adsorbed fine powder, so that the magnetic powdery medium 23 can be supplemented, and the shape of the magnetic powdery medium 23 can be kept unchanged, the sealing performance at the interface is ensured.
The working principle is as follows: the sealing and screening device is used for improving the tightness of the powder concentrator, the interface sealing device is used for improving the tightness of an interface, the driving motor 1 is started to drive the main shaft 2 to rotate, the main shaft 2 rotates to drive the screening plate 5 at the tail end of the main shaft to screen materials, the double-layer external threads on the outer side of the first spiral sleeve 6 are meshed with the double-layer internal threads inside the shell 4 to form an annular channel, fine powder is blown out from the air outlet pipe 7 through the annular channel, the situation that the fine powder is too much and blocks the fine powder channel at one time is avoided, the fan blades 9 are pushed by air blown out from the air outlet pipe 7 to drive the second spiral sleeve 8 to rotate, the annular magnetic plate 10 on the outer side is simultaneously driven to rotate by the rotation of the second spiral sleeve 8, the fiber cloth 11 arranged between the annular magnetic plate 10 and the shell 4 has very strong ductility in the transverse direction and the longitudinal direction, and the annular magnetic plate 10 rotates to drive the fiber cloth 11 to be wound in a rotating mode, when the structure stops moving, the fiber cloth 11 contracts reversely to drive the annular magnetic plate 10 to return to the original position, when the second spiral sleeve 8 starts rotating, the non-Newtonian liquid 15 generates a climbing rod effect above the annular magnetic plate 10 and climbs along the second spiral sleeve 8 to drive the annular magnetic plate 10 to move upwards, so that fine powder is in contact with the powder suction box 16, because the first spiral sleeve 6 is magnetic and has the existence of the annular magnetic plate 10, the fan blade 9 rotates to cut magnetic induction lines between the two magnetic structures, the fan blade 9 is electrically connected with the centrifugal fan 13 to supply power to the centrifugal fan 13, the centrifugal fan 13 starts to absorb fine powder in the powder suction box 16, the first semi-permeable membrane 18 is opened to absorb the fine powder and air into the powder suction box 16 together, the air is heated by the heating rod 20, hot air enters the upper layer through the dust filtering net 17, and the remaining fine powder and a small amount of air are sucked out through the second semi-permeable membrane 19, when hot air is more, the third semi-permeable membrane 21 is stretched, the hot air enters the powder concentrator shell 4 to circulate, the impact force of fine powder is reduced by reducing the air sucked out together with the fine powder, the tightness of the powder concentrator is improved when the device is worn, the magnetic powder medium 23 is tightly connected to seal the interface through the attraction of the powerful annular magnetic block 22 to the magnetic powder medium 23, the original structure is replaced by the mode that the discharge pipe 12 and the powder storage box 14 are directly buckled, the wear resistance is improved, the tightness of the interface is also improved, the fine powder cannot leak, when fine powder containing a large amount of metal property enters the powder storage box through the powerful annular magnetic block 22, the fine powder can impact the magnetic powder medium 23, the magnetic powder medium 23 is worn and reduced, and meanwhile, the powerful annular magnetic block 22 adsorbs the fine powder containing the metal property to the worn notch of the magnetic powder medium 23, the worn part is replaced, when fine powder is sucked in every time, the fine powder impacts the scraper knife 24 to push the scraper knife 24 to scrape the magnetic powder medium 23 flat, or the redundant adsorbed fine powder is scraped, so that the shape of the magnetic powder medium 23 can be kept unchanged while the magnetic powder medium 23 is supplemented, and the sealing performance of the interface is guaranteed.
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 (1)

1. The utility model provides a safe environmental protection's selection powder machine sealing device, includes driving motor (1), its characterized in that: a main shaft (2) is sleeved and mounted below the driving motor (1), a powder concentrator box cover (3) is arranged on the outer side of the main shaft (2), and a sealing screening device and an interface sealing device are arranged on the outer side of the main shaft (2);
the sealing screening device comprises a shell (4) welded and installed below a powder concentrator box cover (3), a sieve plate (5) is fixedly installed at the tail end of a main shaft (2), a gap between the sieve plate (5) and the shell (4) is a fine powder channel, a first spiral sleeve (6) is fixedly installed above the sieve plate (5), double-layer external threads are arranged on the outer side of the first spiral sleeve (6), double-layer internal threads are arranged inside the shell (4), the first spiral sleeve (6) is meshed and connected with the shell (4), air outlet pipes (7) are correspondingly arranged on two sides above the first spiral sleeve (6), and the first spiral sleeve (6) is a magnetic sleeve;
a second spiral sleeve (8) is connected to the outer side of the main shaft (2) in a meshed mode, fan blades (9) are correspondingly arranged on two sides of the tail end of the second spiral sleeve (8), an annular magnetic plate (10) is welded to the outer side of the second spiral sleeve (8), and fiber cloth (11) is fixedly installed on the outer side of the annular magnetic plate (10);
a non-Newtonian liquid (15) is arranged above the annular magnetic plate (10), and a powder suction box (16) is welded and installed on one side of the shell (4);
a dust filtering net (17) is fixedly installed inside the dust absorbing box (16), a plurality of heating rods (20) are welded below the dust filtering net (17), a first semi-permeable membrane (18) and a second semi-permeable membrane (19) are correspondingly arranged on two sides below the dust absorbing box (16), and a third semi-permeable membrane (21) is arranged on the left side above the dust absorbing box (16);
the opening directions of the first semi-permeable membrane (18) and the second semi-permeable membrane (19) are consistent;
a centrifugal fan (13) is fixedly installed on one side of the powder suction box (16), the centrifugal fan (13) is electrically connected with the fan blades (9), a discharge pipe (12) is sleeved inside the centrifugal fan (13), and a powder storage box (14) is arranged at the other end of the discharge pipe (12);
the interface sealing device comprises a powerful annular magnetic block (22) fixedly arranged at the interface between the discharge pipe (12) and the powder storage box (14), and a magnetic powdery medium (23) is arranged between the two powerful annular magnetic blocks (22);
the inner part of the powerful annular magnetic block (22) is provided with a sliding groove, the inner ring of the powerful annular magnetic block (22) is fixedly provided with a tension rope (25), the other end of the tension rope (25) is fixedly provided with a scraper knife (24), and the scraper knife (24) is in sliding connection with the powerful annular magnetic block.
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CN113210917B (en) * 2021-05-19 2022-11-25 江苏安全技术职业学院 Drum-type automatic weld machine
CN114273050B (en) * 2021-11-11 2023-03-31 苏州锦艺新材料科技股份有限公司 Steam grading processing equipment for spherical silicon dioxide

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CN201516416U (en) * 2009-10-23 2010-06-30 山东青州微粉有限公司 Inverted airflow seal device used for airflow classer
CN203868345U (en) * 2014-05-30 2014-10-08 成都利君实业股份有限公司 Magnetic sealing device for powder concentrator
CN207756484U (en) * 2017-12-15 2018-08-24 景德镇陶瓷大学 A kind of novel biaxial formula non-slurry pelletizing screening all-in-one machine
CN208390440U (en) * 2018-04-19 2019-01-18 重庆市南川区王小平机械制造有限公司 High-efficiency double-rotor formula powder concentrator
CN111011042A (en) * 2019-12-27 2020-04-17 蔡路 Windproof flowerpot
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EP0328074A2 (en) * 1988-02-09 1989-08-16 Canon Kabushiki Kaisha Gas current classifying separator
AU2005282269A1 (en) * 2004-09-09 2006-03-16 Dresser-Rand Company Rotary separator and method
CN201516416U (en) * 2009-10-23 2010-06-30 山东青州微粉有限公司 Inverted airflow seal device used for airflow classer
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CN207756484U (en) * 2017-12-15 2018-08-24 景德镇陶瓷大学 A kind of novel biaxial formula non-slurry pelletizing screening all-in-one machine
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CN211231572U (en) * 2019-11-14 2020-08-11 湖北京兰水泥集团有限公司 Powder concentrator for cement production
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