CN114849374B - Dust removing device of vacuum drier - Google Patents

Dust removing device of vacuum drier Download PDF

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Publication number
CN114849374B
CN114849374B CN202210791137.8A CN202210791137A CN114849374B CN 114849374 B CN114849374 B CN 114849374B CN 202210791137 A CN202210791137 A CN 202210791137A CN 114849374 B CN114849374 B CN 114849374B
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China
Prior art keywords
dust
dust removing
cylinder
sliding
disc
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CN202210791137.8A
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CN114849374A (en
Inventor
赵友志
张松
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Xuzhou Fuchang Pharmaceutical Machinery Co ltd
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Xuzhou Fuchang Pharmaceutical Machinery Co ltd
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Publication of CN114849374A publication Critical patent/CN114849374A/en
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    • 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
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/02Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
    • 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
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/48Removing dust other than cleaning filters, e.g. by using collecting trays
    • 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
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/10Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/06Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

The invention relates to the field of dust removal of vacuum dryers, in particular to a dust removal device of a vacuum dryer, which comprises a dust removal box with a hollow box body structure, a partition plate, a water outlet pipe, a cylindrical dust removal cylinder, a communicating pipe and an exhaust pipe, wherein the partition plate is arranged in the dust removal box and divides an inner cavity of the dust removal box into an upper dust removal cavity and a lower water storage cavity; a dust cleaning mechanism is arranged in the dust removing cylinder; according to the invention, the dust removing box, the communicating pipe, the water inlet pipe, the exhaust pipe and the dust removing barrel which are provided with the partition plates are used for realizing the high-efficiency separation of condensed water and dust-containing water vapor, the dust is intercepted and separated through the dust removing barrel, and the dust is cleaned through the dust cleaning mechanism comprising the dust scraping disc, the reciprocating driving mechanism, the dust discharging pipe, the sliding disc and the dust box, so that the dust removing barrel is not required to be stopped, disassembled and cleaned.

Description

Dust removing device of vacuum drier
Technical Field
The invention relates to the field of dust removal of vacuum dryers, in particular to a dust removal device of a vacuum dryer.
Background
The vacuum drier is a vacuum low-temperature device for heating materials, and consists of a refrigeration system, a vacuum system, a heating system and an electric instrument control system. The main components are a drying box, a condenser, a refrigerating unit, a vacuum pump, a heating/cooling device and the like. The working principle is that the dried article is firstly frozen to the temperature below the triple point, then the solid water (ice) in the article is directly sublimated into water vapor under the vacuum condition, and the water vapor is discharged from the article, so that the article is dried.
In the in-service use of vacuum drying machine, carry out the negative pressure suction through the vacuum pump to the steam after the sublimation, in the suction process, inevitable can take out the dust in the raw materials along with steam, steam condenses into liquid water easily in the pipeline, and the dust removes along with steam, traditional mode adopts the water removal jar to mix liquid water and dust together then discharge, but the dust enters into the vacuum pump along with the air current easily, influence the user state of vacuum pump, it separates the dust from steam to need dust collector, traditional separator adopts a dust removal section of thick bamboo to hold back the dust, but one end time later, the dust is piled up on the dust removal section of thick bamboo surface, the clearance needs are dismantled, the clearance needs are shut down, then install, and is troublesome to operate, influence continuity of operation.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a dust removal device of a vacuum dryer, which can realize the efficient interception and separation of dust and water vapor and can carry out efficient cleaning through a dust cleaning mechanism under the condition of not influencing the operation of equipment.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The dust removal device of the vacuum dryer comprises a dust removal box with a hollow box body structure, a partition plate which is arranged in the dust removal box and divides an inner cavity of the dust removal box into an upper dust removal cavity and a lower water storage cavity, a water outlet pipe which is communicated with the lower water storage cavity and the vacuum dryer, a cylindrical dust removal cylinder which is arranged above the partition plate, a communicating pipe which is communicated with the middle part of the inner cavity of the dust removal cylinder and the water storage cavity, and an exhaust pipe which is communicated with the dust removal cavity and a vacuum pump; a dust cleaning mechanism is arranged in the dust removing cylinder;
the dust cleaning mechanism comprises a dust removing net nested on the side wall of the dust removing cylinder, a dust scraping disc nested on the inner side of the dust removing cylinder and abutted and sliding with the dust removing net, sliding discs nested in the dust removing cylinder in a sliding manner and symmetrically arranged on two sides of the dust scraping disc, springs connecting the sliding discs and the side walls on two sides of the dust removing cylinder, a dust exhaust pipe arranged between the sliding discs and the side wall of the dust removing cylinder and communicated with an inner cavity of the dust removing cylinder, a dust box communicated with the dust exhaust pipe and arranged on a partition plate and a reciprocating driving mechanism driving the dust scraping disc to reciprocate in the dust removing cylinder;
the reciprocating driving mechanism comprises a moving rod, a moving block, a chute plate, an eccentric disc, a vertical shaft and a transmission gear set, wherein the moving rod is fixedly connected with the center of the dust scraping disc and horizontally extends to the outer side of the dust removing box;
scrapers distributed circumferentially are arranged on two sides of the dust scraping disc, a sliding rod is fixedly connected to the inner side of each scraper, a butting cylinder fixedly connected with the side wall of the dust scraping disc penetrates through each sliding rod, and a counterweight ball integrally formed with the sliding rod is fixedly connected to the end part of one end, extending to the butting cylinder, of each sliding rod; one end of the moving rod, which is far away from the dust scraping disc, is nested with a prism rod extending into the moving rod, and the prism rod is connected with an output shaft of a driving motor through a transmission belt; the horizontal width of a butt section of thick bamboo is greater than the horizontal width of scraper blade, cup joints the reset spring with butt section of thick bamboo inner wall butt on the slide bar.
Furthermore, the dust removal cylinder is a hollow cylinder horizontally arranged, and the dust removal net is a filter net which is attached to the peripheral outer wall of the dust removal cylinder and is arc-shaped.
Furthermore, the dust scraping disc is in sliding abutting connection with the inner wall of the dust removing net when moving in a reciprocating mode in the dust removing cylinder, and dust intercepted by the inner wall of the dust removing net is scraped and accumulated.
Furthermore, the movable block penetrates through a guide rod which is fixedly connected with the outer wall of the dust removal box and is horizontally arranged.
Further, the vertical shaft runs through the mounting bracket fixedly connected with the outer wall of the dust removal box, and the vertical shaft is rotatably connected with the mounting bracket through a bearing.
Furthermore, the chute plate is provided with a downward strip-shaped groove which is longitudinally arranged and provided with an opening, and the eccentric column is nested in the strip-shaped groove and is in sliding butt joint with the inner wall of the strip-shaped groove.
Furthermore, the dust exhaust pipe is a square pipe with a rectangular cross section, and a dust drawer extending to the end part of the outer wall of the dust removal box is nested in the dust box.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) The dust removal device provided by the invention realizes the high-efficiency separation of condensed water and dust-containing water vapor through the dust removal box, the communication pipe, the water inlet pipe, the exhaust pipe and the dust removal cylinder which are provided with the partition plates, intercepts and separates dust through the dust removal cylinder, cleans the dust through the dust cleaning mechanism comprising the dust scraping disc, the reciprocating driving mechanism, the dust exhaust pipe, the sliding disc and the dust box, and does not need to shut down, disassemble and clean the dust removal cylinder.
(2) According to the dust removal device, the dust scraping disc, the sliding disc, the spring and the dust exhaust pipe are arranged between the sliding disc and the side wall of the dust removal cylinder, when dust piles are cleaned, the dust scraping disc pushes the dust scraped and cleaned to one side of the sliding disc and extrudes the sliding disc, then the dust is discharged into the dust exhaust pipe from a cavity between the dust scraping disc and the sliding disc, the dust is prevented from being secondarily adsorbed on the dust removal net in a negative pressure state, and the dust cleaning effect is guaranteed.
(3) The dust removing device comprises scrapers arranged on two sides of a dust scraping disc, a sliding rod connected with the scrapers and provided with a counterweight ball at one end far away from the scrapers, a butting cylinder, a return spring, a prism rod and a transmission belt, so that the dust scraping disc can rotate while moving in a reciprocating manner, the scrapers are subjected to centrifugal force by the rotating dust scraping disc, the scrapers are extruded on the inner wall of the dust removing cylinder and the inner wall of a dust removing net after centrifugal force is applied to the scrapers, the scraping effect of the scrapers is improved, and the dust removing effect is further improved.
(4) According to the invention, the abutting cylinder used for installing the sliding rod is arranged, the transverse width of the abutting cylinder is greater than that of the scraper, so that when the dust scraping disc moves to one side of the sliding disc, the abutting cylinder is firstly contacted with the sliding disc, an annular cavity is formed between the dust scraping disc and the sliding disc, the rotary scraper is arranged in the annular cavity, and the rotary scraper is matched with the dust exhaust pipe in a square tubular shape, so that the speed of discharging dust piles into the dust box is further improved, and the dust exhaust effect is improved.
Drawings
FIG. 1 is a schematic diagram of the left side view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the dust box of the present invention;
FIG. 4 is a longitudinal cross-sectional structural schematic of the present invention;
FIG. 5 is a schematic view of the internal structure of the dust-removing cylinder of the present invention;
FIG. 6 is a schematic structural view of the dust removing cylinder of the present invention;
FIG. 7 is a schematic cross-sectional view of the dust removing cylinder of the present invention;
FIG. 8 is a schematic view showing an assembled structure of the squeegee according to the present invention;
FIG. 9 is an enlarged view of the structure at A in FIG. 5;
fig. 10 is a schematic view showing an assembly structure of the reciprocating drive mechanism of the present invention.
The reference numbers in the figures illustrate: 1. a dust removal box; 2. a partition plate; 3. a water outlet pipe; 4. a communicating pipe; 5. an air exhaust pipe; 6. a dust removal cylinder; 7. a dust removal net; 8. a dust scraping disc; 9. a sliding disk; 10. a spring; 11. a dust exhaust pipe; 12. a dust box; 13. a dust drawer; 14. a travel bar; 15. a moving block; 16. a chute plate; 17. an eccentric disc; 18. a vertical axis; 19. a drive gear set; 20. a drive motor; 21. a prismatic rod; 22. a transmission belt; 23. a squeegee; 24. a slide bar; 25. a butting cylinder; 26. a return spring; 27. and (7) mounting frames.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-10, in an embodiment of the present invention, a dust removing apparatus of a vacuum dryer includes a dust removing box 1 having a hollow box structure, a partition plate 2 installed in the dust removing box 1 and dividing an inner cavity of the dust removing box 1 into an upper dust removing cavity and a lower water storage cavity, a water outlet pipe 3 communicating the lower water storage cavity with the vacuum dryer, a cylindrical dust removing cylinder 6 installed above the partition plate 2, a communicating pipe 4 communicating a middle portion of the inner cavity of the dust removing cylinder 6 with the water storage cavity, and an air suction pipe 5 communicating the dust removing cavity with a vacuum pump; a dust cleaning mechanism is arranged in the dust removing cylinder 6;
the dust cleaning mechanism comprises a dust removing net 7 nested on the side wall of the dust removing cylinder 6, a dust scraping disc 8 nested on the inner side of the dust removing cylinder 6 and in abutting sliding contact with the dust removing net 7, sliding discs 9 nested in the dust removing cylinder 6 in a sliding manner and symmetrically arranged on the two sides of the dust scraping disc 8, springs 10 connecting the sliding discs 9 with the side walls on the two sides of the dust removing cylinder 6, a dust exhaust pipe 11 arranged between the sliding discs 9 and the side wall of the dust removing cylinder 6 and communicated with the inner cavity of the dust removing cylinder 6, a dust box 12 communicated with the dust exhaust pipe 11 and arranged on the partition plate 2, and a reciprocating driving mechanism for driving the dust scraping disc 8 to reciprocate in the dust removing cylinder 6.
Specifically, the vacuum dryer is communicated with a water outlet pipe 3, an air exhaust pipe 5 is communicated with a vacuum pump, the vacuum pump is started to generate negative pressure, moisture and dust in the vacuum dryer enter a water storage cavity of a dust removal box 1 below a partition plate 2 through the water outlet pipe 3, waste water drained by the vacuum dryer stays in the water storage cavity, gas containing dust enters a dust removal barrel 6 through a communication pipe 4, the dust is intercepted in an inner cavity of the dust removal barrel 6 through a dust removal net 7, the gas is exhausted into the dust removal cavity and is exhausted after being pumped to the vacuum pump from the air exhaust pipe 5, during operation, a reciprocating driving mechanism is started, the reciprocating driving mechanism drives the dust scraping disc 8 to move in the dust removal barrel 6 in a reciprocating mode, the dust scraping disc 8 scrapes off dust intercepted in the inner surface of the dust removal net 7 and the dust removal barrel 6 and pushes the dust pile to move towards two sides, when the dust scraping disc 8 pushes the dust pile to move onto the sliding disc 9, when the dust pile moves to the upper side of the dust removal pipe 11, dust falls into the dust removal box 12 to collect the dust pile, and the dust, the dust in the dust removal box 6, and the dust in the dust removal device can be cleaned without influencing other dust removal processes after the dust removal barrel 6 is removed, and the dust removal device continuously.
In this embodiment, the reciprocating driving mechanism comprises a moving rod 14 fixedly connected with the center of the dust scraping disc 8 and horizontally extending to the outer side of the dust removing box 1, a moving block 15 sleeved on the outer side of the moving rod 14 and rotatably connected with the end part of the moving rod 14, a chute plate 16 fixedly connected with the lower end of the moving block 15, an eccentric disc 17 slidably clamped with the chute plate 16 and provided with an eccentric column on the upper end surface, a vertical shaft 18 fixedly connected with the eccentric disc 17, and a transmission gear set 19 connected with the vertical shaft 18 and connected with a driving motor 20
The reciprocating process of the reciprocating driving mechanism driving the dust scraping disc 8 to reciprocate is as follows: the driving motor 20 drives the vertical shaft 18 and the eccentric disc 17 on the vertical shaft to rotate through the transmission gear set 19, the eccentric column on the upper end surface of the eccentric disc 17 drives the chute plate 16 and the moving block 15 on the chute plate to transversely reciprocate, and the moving block 15 drives the dust scraping disc 8 to reciprocate in the dust removing cylinder 6 through the moving rod 14.
In this embodiment, the dust removing cylinder 6 is a hollow cylinder horizontally arranged, and the dust removing net 7 is a filter net attached to the outer wall of the circumference of the dust removing cylinder 6 and in an arc shape.
In this embodiment, the dust scraping plate 8 slides and abuts against the inner wall of the dust removing net 7 when reciprocating in the dust removing cylinder 6, and the dust intercepted by the inner wall of the dust removing net 7 is scraped and accumulated.
In this embodiment, the moving block 15 is penetrated by a guide rod which is fixedly connected with the outer wall of the dust removing box 1 and is horizontally arranged.
Specifically, the stability of the lateral reciprocating movement of the moving block 15 is improved.
In this embodiment, the vertical shaft 18 penetrates a mounting bracket 27 fixedly connected with the outer wall of the dust removing box 1, and the vertical shaft 18 is rotatably connected with the mounting bracket 27 through a bearing.
In this embodiment, the chute plate 16 is provided with a downward strip-shaped groove which is longitudinally arranged and is open, and the eccentric column is nested in the strip-shaped groove and is in sliding abutment with the inner wall of the strip-shaped groove.
Referring to fig. 6-9, in another embodiment of the present invention, two sides of the dust scraping disc 8 are provided with scrapers 23 distributed circumferentially, the inner side of each scraper 23 is fixedly connected with a sliding rod 24, the sliding rod 24 penetrates through an abutting cylinder 25 fixedly connected with the side wall of the dust scraping disc 8, and one end of the sliding rod 24 extending to the abutting cylinder 25 is fixedly connected with a counterweight ball integrally formed with the sliding rod 24; one end of the movable rod 14 far away from the dust scraping disc 8 is nested with a prism rod 21 extending into the movable rod 14, and the prism rod 21 is connected with an output shaft of a driving motor 20 through a transmission belt 22.
Specifically, when the reciprocating driving mechanism drives the dust scraping disc 8 to reciprocate in the dust removing cylinder 6, the driving motor 20 drives the prism rod 21 to rotate through the driving belt 22, the prism rod 21 drives the moving rod 14 to rotate, the moving rod 14 drives the dust scraping disc 8 to rotate, under the action of centrifugal force, the sliding rod 24 with the counterweight balls on the inner side drives the scraper 23 to move towards the outer side, the scraper 23 is applied with extrusion force to be in extrusion contact with the inner walls of the dust removing net 7 and the dust removing cylinder 6, so that the inner wall of the dust removing cylinder 6 and the inner wall of the dust removing net 7 can be better cleaned by the scraper 23, the dust cleaning effect is improved, meanwhile, when the position of the sliding disc 9 moved by the dust scraping disc 8 is changed, the abutting cylinder 25 is firstly in contact with the sliding disc 9, an annular cavity is formed between the sliding disc 9 and the dust scraping disc 8, and dust piles accumulated in the annular cavity are centrifugally pushed along with the rotation of the scraper 23, so that the dust piles can more easily enter the dust discharging pipe 11, and the speed of the dust piles discharged from the dust removing cylinder 6 is improved.
In this embodiment, the lateral width of the abutment cylinder 25 is larger than the lateral width of the scraper 23, and the slide bar 24 is fitted with a return spring 26 that abuts against the inner wall of the abutment cylinder 25.
Specifically, the rotating scraper 23 is prevented from contacting the sliding disc 9, the scraper 23 is protected, and the return spring 26 enables the scraper 23 to keep elastic contact with the inner wall of the dust removing cylinder 6 and the inner wall of the dust removing net 7.
In this embodiment, the dust exhaust pipe 11 is a square pipe with a rectangular cross section.
Specifically, the dust pushed by the scraper 23 is facilitated to enter the dust exhaust pipe 11 and to be discharged into the dust box 12.
In this embodiment, a dust drawer 13 extending to the end of the outer wall of the dust box 1 is nested in the dust box 12.
Particularly, the dust in the dust box 12 is convenient to clean, and the dust removal operation is not influenced.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (6)

1. The dust removal device of the vacuum dryer is characterized by comprising a dust removal box (1) in a hollow box body structure, a partition plate (2) which is arranged in the dust removal box (1) and divides an inner cavity of the dust removal box (1) into an upper dust removal cavity and a lower water storage cavity, a water outlet pipe (3) for communicating the lower water storage cavity with the vacuum dryer, a cylindrical dust removal cylinder (6) which is arranged above the partition plate (2), a communicating pipe (4) for communicating the middle part of the inner cavity of the dust removal cylinder (6) with the water storage cavity, and an exhaust pipe (5) for communicating the dust removal cavity with a vacuum pump; a dust cleaning mechanism is arranged in the dust removing cylinder (6);
the dust cleaning mechanism comprises a dust removing net (7) nested on the side wall of the dust removing cylinder (6), a dust scraping disc (8) nested on the inner side of the dust removing cylinder (6) and abutted to the dust removing net (7) to slide, sliding discs (9) nested on the dust removing cylinder (6) in a sliding mode and symmetrically arranged on two sides of the dust scraping disc (8), springs (10) connecting the sliding discs (9) with the side walls on two sides of the dust removing cylinder (6), a dust exhaust pipe (11) arranged between the sliding discs (9) and the side wall of the dust removing cylinder (6) and communicated with the inner cavity of the dust removing cylinder (6), a dust box (12) communicated with the dust exhaust pipe (11) and arranged on the partition plate (2) and a reciprocating driving mechanism driving the dust scraping disc (8) to reciprocate in the dust removing cylinder (6);
the reciprocating driving mechanism comprises a moving rod (14) fixedly connected with the center of the dust scraping disc (8) and horizontally extending to the outer side of the dust removing box (1), a moving block (15) sleeved on the outer side of the moving rod (14) and rotatably connected with the end part of the moving rod (14), a chute plate (16) fixedly connected with the lower end of the moving block (15), an eccentric disc (17) in sliding clamping connection with the chute plate (16) and provided with an eccentric column on the upper end face, a vertical shaft (18) fixedly connected with the eccentric disc (17), and a transmission gear group (19) connected with the vertical shaft (18) and connected with a driving motor (20); the chute plate (16) is provided with a downward strip-shaped groove which is longitudinally arranged and is provided with an opening, and the eccentric column is nested in the strip-shaped groove and is in sliding butt joint with the inner wall of the strip-shaped groove; a driving motor (20) drives a vertical shaft (18) and an eccentric disc (17) on the vertical shaft to rotate through a transmission gear set (19), an eccentric column on the upper end surface of the eccentric disc (17) drives a chute plate (16) and a moving block (15) on the chute plate to transversely reciprocate, and the moving block (15) drives a dust scraping disc (8) to reciprocate in a dust removing cylinder (6) through a moving rod (14);
scrapers (23) which are distributed circumferentially are arranged on two sides of the dust scraping disc (8), a sliding rod (24) is fixedly connected to the inner side of each scraper (23), a butting cylinder (25) fixedly connected with the side wall of the dust scraping disc (8) penetrates through each sliding rod (24), and a counterweight ball integrally formed with each sliding rod (24) is fixedly connected to the end part of one end, extending to the butting cylinder (25), of each sliding rod (24); one end of the moving rod (14) far away from the dust scraping disc (8) is nested with a prism rod (21) extending into the moving rod (14), and the prism rod (21) is connected with an output shaft of a driving motor (20) through a driving belt (22); the transverse width of the abutting cylinder (25) is larger than that of the scraper (23), and a return spring (26) abutted against the inner wall of the abutting cylinder (25) is sleeved on the sliding rod (24); the driving motor (20) drives the prism rod (21) to rotate through the driving belt (22), the prism rod (21) drives the moving rod (14) which transversely reciprocates to rotate, the moving rod (14) drives the dust scraping disc (8) to rotate, under the action of centrifugal force, the sliding rod (24) with the counterweight balls on the inner side drives the scraper (23) to move towards the outer side, the scraper (23) is applied with extrusion force to be in extrusion contact with the inner walls of the dust removing net (7) and the dust removing cylinder (6), so that the scraper (23) can better clean the inner wall of the dust removing cylinder (6) and the inner wall of the dust removing net (7), the dust cleaning effect is improved, meanwhile, when the dust scraping disc (8) moves to the position of the sliding disc (9), the abutting cylinder (25) is firstly in contact with the sliding disc (9), a cavity in an annular shape is formed between the sliding disc (9) and the dust scraping disc (8), and along with the rotation of the scraper (23), the dust pile accumulated in the cavity is pushed by centrifugal force, the dust pile can more easily enters the dust removing pipe (11), and the dust discharging speed of the dust removing cylinder (6) is improved.
2. The dust removing device of the vacuum dryer according to claim 1, wherein the dust removing cylinder (6) is a hollow cylinder horizontally arranged, and the dust removing net (7) is an arc-shaped filter net attached to the circumferential outer wall of the dust removing cylinder (6).
3. The dust removing device of the vacuum dryer according to claim 1, wherein the dust scraping disc (8) is in sliding contact with the inner wall of the dust removing net (7) when reciprocating in the dust removing cylinder (6) to scrape and accumulate the dust trapped on the inner wall of the dust removing net (7).
4. The dust removing apparatus of the vacuum dryer according to claim 1, wherein a guide rod is horizontally arranged and fixedly connected with the outer wall of the dust removing box (1) and penetrates through the moving block (15).
5. The dust removing device of the vacuum dryer according to claim 1, characterized in that the vertical shaft (18) penetrates through a mounting bracket (27) fixedly connected with the outer wall of the dust removing box (1), and the vertical shaft (18) is rotatably connected with the mounting bracket (27) through a bearing.
6. The dust removing device of the vacuum dryer according to claim 1, wherein the dust exhaust pipe (11) is a square pipe with a rectangular cross section, and a dust drawer (13) extending to the end part of the outer wall of the dust removing box (1) is nested in the dust box (12).
CN202210791137.8A 2022-07-07 2022-07-07 Dust removing device of vacuum drier Active CN114849374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210791137.8A CN114849374B (en) 2022-07-07 2022-07-07 Dust removing device of vacuum drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210791137.8A CN114849374B (en) 2022-07-07 2022-07-07 Dust removing device of vacuum drier

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Publication Number Publication Date
CN114849374A CN114849374A (en) 2022-08-05
CN114849374B true CN114849374B (en) 2022-10-18

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CN115540511B (en) * 2022-10-08 2024-04-02 耒阳市刘燕酿制生物科技有限公司 Vacuum freeze dryer for brewing freeze-dried sweet wine

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CN110523195A (en) * 2019-09-19 2019-12-03 新昌县泉道智能科技有限公司 Gas purge system is used in a kind of processing of debirs
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