CN114849374A - Dust removing device of vacuum drier - Google Patents
Dust removing device of vacuum drier Download PDFInfo
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- CN114849374A CN114849374A CN202210791137.8A CN202210791137A CN114849374A CN 114849374 A CN114849374 A CN 114849374A CN 202210791137 A CN202210791137 A CN 202210791137A CN 114849374 A CN114849374 A CN 114849374A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration 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
- B01D46/681—Regeneration 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying 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
- F26B5/06—Drying 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 Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Geometry (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
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 refrigerating 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 of the drying device is that the dried object is firstly frozen to be below the temperature of the triple point, then the solid moisture (ice) in the object is directly sublimated into water vapor under the vacuum condition and is discharged from the object, and the object 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 mode and symmetrically arranged on two sides of the dust scraping disc, springs connecting the sliding discs with 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 for driving the dust scraping disc to reciprocate in the dust removing cylinder.
Further, reciprocating drive mechanism include with scrape the movable rod that dirt dish center fixed connection and level extended to the dust removal case outside, cup joint in the movable rod outside and with the movable block that the movable rod tip rotated and is connected, with movable block lower extreme fixed connection's chute board, with the eccentric disc that chute board slip joint and the up end was equipped with the eccentric post, with the vertical axle of eccentric disc fixed connection, with vertical hub connection and be connected with driving motor's transmission gear group.
Furthermore, 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 each sliding rod is fixedly connected to the end part of one end, extending to the butting cylinder, of each sliding rod; the one end nestification that scrapes the dirt dish is kept away from to the carriage release lever has the prismatic pole that extends to in the carriage release lever, and prismatic pole is connected with driving motor's output shaft through the drive belt.
Furthermore, the dust removing cylinder is a hollow cylinder which is horizontally arranged, and the dust removing net is a filter net which is attached to the circumferential outer wall of the dust removing cylinder and is arc-shaped.
Furthermore, when the dust scraping disc moves in a reciprocating mode in the dust removing cylinder, the dust scraping disc is in sliding butt joint with the inner wall of the dust removing net, 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.
Further, 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 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 removal 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 schematic longitudinal cross-sectional structural view 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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within 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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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 to 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 storing cavity, a water outlet pipe 3 communicating the lower water storing 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 storing 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, a vacuum dryer is communicated with a water outlet pipe 3, an 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 cylinder 6 through a communicating pipe 4, the dust is intercepted in an inner cavity of the dust removal cylinder 6 through a dust removal net 7, the gas is exhausted into the dust removal cavity and is pumped to the vacuum pump from the exhaust pipe 5 and then is exhausted, in the operation process, a reciprocating driving mechanism is started, the reciprocating driving mechanism drives a dust scraping disc 8 to reciprocate in the dust removal cylinder 6, the dust scraping disc 8 scrapes the dust intercepted and accumulated on the inner surface of the dust removal net 7 and in the dust removal cylinder 6 and pushes dust piles to move towards two sides, when the dust scraping disc 8 pushes the dust piles to move to a sliding disc 9, when the dust pile moves to dust exhaust pipe 11 top, the dust falls through dust exhaust pipe 11 and concentrates in dust box 12 and collect, has realized the clearance to the dust in a dust removal section of thick bamboo 6, and at the clearance in-process, does not influence a dust removal section of thick bamboo 6 to entering into the dust removal operation of other gases in a dust removal section of thick bamboo 6 through communicating pipe 4, need not to clear up the dust removal net through dismantling the back for device continuous operation.
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, scrapers 23 are disposed on two sides of the dust scraping plate 8, a sliding rod 24 is fixedly connected to the inner side of the scraper 23, a supporting cylinder 25 fixedly connected to the sidewall of the dust scraping plate 8 penetrates through the sliding rod 24, and a counterweight ball integrally formed with the sliding rod 24 is fixedly connected to an end of the sliding rod 24 extending to the supporting cylinder 25; 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, while 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 dust removing net 7 and the inner wall of 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 sliding disc 9 moving by the dust scraping disc 8 is in position, the abutting cylinder 25 firstly contacts with the sliding disc 9, so that 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, the dust pile can enter the dust exhaust pipe 11 more easily, and the speed of discharging the dust pile from the dust removal 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 (10)
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 a 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) in a sliding manner, sliding discs (9) nested in the dust removing cylinder (6) in a sliding manner 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 side walls of the sliding discs (9) and 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 a partition plate (2), and a reciprocating driving mechanism for driving the dust scraping disc (8) to reciprocate in the dust removing cylinder (6).
2. The dust removing device of the vacuum dryer according to claim 1, wherein 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 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 at the upper end face, 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).
3. The dust removing device of the vacuum dryer according to claim 2, wherein the two sides of the dust scraping disc (8) are provided with circumferentially distributed scraping plates (23), the inner sides of the scraping plates (23) are fixedly connected with sliding rods (24), the sliding rods (24) penetrate through abutting cylinders (25) fixedly connected with the side walls of the dust scraping disc (8), and one end parts of the sliding rods (24) extending to the abutting cylinders (25) are fixedly connected with counterweight balls integrally formed with the sliding rods (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).
4. 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).
5. 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).
6. The dust removing apparatus of the vacuum dryer according to claim 2, 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).
7. The dust removing device of the vacuum dryer according to claim 2, 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.
8. The dust collector of vacuum dryer according to claim 2, wherein the chute plate (16) is provided with a downward strip-shaped groove which is longitudinally arranged and opened, 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.
9. The dust collector of vacuum dryer according to claim 3, characterized in that the lateral width of the abutting cylinder (25) is larger than the lateral width of the scraper (23), and a return spring (26) abutting against the inner wall of the abutting cylinder (25) is sleeved on the sliding rod (24).
10. The dust removing device of the vacuum dryer according to claim 3, 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).
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 |
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| CN114849374A true CN114849374A (en) | 2022-08-05 |
| CN114849374B CN114849374B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210791137.8A Active CN114849374B (en) | 2022-07-07 | 2022-07-07 | Dust removing device of vacuum drier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115540511A (en) * | 2022-10-08 | 2022-12-30 | 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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