CN219347140U

CN219347140U - Vacuum drying device

Info

Publication number: CN219347140U
Application number: CN202320834457.7U
Authority: CN
Inventors: 方卿; 冯永
Original assignee: Zhuoguan Automation System Shanghai Co ltd
Current assignee: Zhuoguan Automation System Shanghai Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-14
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a vacuum drying device, and relates to the technical field of vacuum drying. This vacuum drying device, including the cavity and upper and lower both sides all have open-ended outer jar body, filling port and egress opening have been seted up to the surface of outer jar body, the upside opening part fixedly connected with sealed lid of outer jar body, sealed lid's last surface mounting has rabbling mechanism and vacuum pump, the pan feeding mouth has been seted up to the surface of sealed lid, the downside opening part fixedly connected with discharge gate of outer jar body, through heating mechanism and rabbling mechanism, can heat the material uniformly, and then promote dry efficiency, the silica gel doctor-bar can scrape the material of dry in-process adhesion in the device inner wall again into the stirring region, makes the dry more even of material, and can scrape the remaining material of inner wall down after the drying is finished, and the clearance of convenient device and the next use can effectively prevent the condition of material blocking at the discharge gate when opening the discharge gate after the drying is finished through helical blade.

Description

Vacuum drying device

Technical Field

The utility model relates to the technical field of vacuum drying, in particular to a vacuum drying device.

Background

The vacuum drying method, which uses lower temperature to dry under reduced pressure to remove water, is widely used in various industries such as food, pharmacy, chemical industry, etc., and the materials such as pulp, paste, granule, powder, fiber, etc. can be dried by the vacuum drying method.

The current vacuum drying device is easy to heat the non-uniform condition, and in the process of heating materials, the condition of material adhesion on the inner wall of the device is easy to occur, thereby the drying speed of the materials is non-uniform, the drying efficiency of the materials is affected, after the drying is finished, more material residues are easy to leave on the inner wall of the device, the cleaning and the next use of the device are inconvenient, and because the drying device is in a sealing state in the drying process, a plurality of materials are required to be loaded for drying once, and the condition that the materials are blocked at the discharge hole when the discharge hole is opened after the drying is finished can occur.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a vacuum drying device, which solves the problems that the vacuum drying device is easy to generate uneven heating, more material residues are easy to be remained on the inner wall of the device and the inner wall of the device after the drying is finished in the material stirring process, and the material is blocked at a discharge hole when the discharge hole is opened after the drying is finished.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a vacuum drying device, includes hollow and upper and lower both sides all have open-ended outer jar body, filling port and egress opening have been seted up to the surface of outer jar body, the upside opening part fixedly connected with sealed lid of outer jar body, sealed upper surface mounting of lid has rabbling mechanism and vacuum pump, the pan feeding mouth has been seted up to the surface of sealed lid, the downside opening part fixedly connected with discharge gate of outer jar body.

Preferably, the heating mechanism comprises a hollow inner tank body fixedly connected with the lower surface of the sealing cover, and openings are formed in the upper side and the lower side of the hollow inner tank body, two first spiral heating pipes are fixedly connected to the outer surface of the inner tank body, an injection layer is arranged on the outer surface of the inner tank body, and the injection layer is communicated with the injection opening and the outflow opening.

Preferably, the stirring mechanism comprises a motor fixedly arranged on the upper surface of the sealing cover, a first gear is fixedly arranged on an output shaft of the motor, a second gear is meshed with the outer surface of the first gear, a rotating shaft is fixedly connected with an inner ring of the second gear, and a plurality of stirring rods are sequentially and symmetrically fixedly connected with the outer surface of the rotating shaft.

Preferably, an opening is formed in the outer surface of the rotating shaft, and a second spiral heating pipe is fixedly connected to the inner wall of the opening.

Preferably, one end of the rotating shaft far away from the sealing cover is fixedly connected with a spiral blade.

Preferably, one end of the stirring rod far away from the rotating shaft is fixedly connected with a silica gel scraping blade.

Advantageous effects

The utility model provides a vacuum drying device. The beneficial effects are as follows:

through heating mechanism and second spiral heating pipe and rabbling mechanism, can heat the heating medium such as steam, conduction oil, hot water in the injection layer uniformly, thereby heat the material uniformly, and then promote dry efficiency, heating mechanism can play the heat preservation effect to the liquid in the injection layer simultaneously, the silica gel doctor-bar can scrape down the material of adhesion at the device inner wall in the drying process, make it participate in stirring in-process again, thereby make the drying rate of material more even, and then shorten the required time of drying, and can scrape down the remaining material of inner wall after the drying finishes, make things convenient for the clearance of device and use next time, the condition of material blocking at the discharge gate when opening the discharge gate after can effectively preventing to dry through helical blade.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the outer tank of the present utility model;

FIG. 3 is a schematic view of the internal structure of the inner tank of the present utility model.

In the figure: 1. an outer can; 2. an injection port; 3. sealing cover; 4. a vacuum pump; 5. a feed inlet; 6. a discharge port; 7. an inner tank; 8. a first spiral heating tube; 9. an injection layer; 10. a motor; 11. a first gear; 12. a second gear; 13. a rotating shaft; 14. a stirring rod; 15. opening holes; 16. a second spiral heating tube; 17. a helical blade; 18. a silica gel scraping blade; 19. and an outflow port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a vacuum drying device, includes cavity and upper and lower both sides all have open-ended outer jar body 1, and heating mechanism is installed to the inner wall of outer jar body 1, and filling port 2 and egress opening 19 have been seted up to the surface of outer jar body 1, and the upside opening part fixedly connected with sealed lid 3 of outer jar body 1, and the last surface mounting of sealed lid 3 has rabbling mechanism and vacuum pump 4, and pan feeding mouth 5 has been seted up to the surface of sealed lid 3, and the downside opening part fixedly connected with discharge gate 6 of outer jar body 1.

During operation, the heating mechanism and the stirring mechanism heat and stir materials, and meanwhile, the vacuum pump 4 pumps air in the device away, so that the device is in a vacuum state, and heating mediums such as steam, heat conducting oil, hot water and the like can be injected into the injection port 2 to improve the heating effect.

Referring to fig. 1-3, the present utility model provides a technical solution: the heating mechanism comprises a hollow inner tank body 7 fixedly connected with the lower surface of the sealing cover 3, openings are formed in the upper side and the lower side of the hollow inner tank body, two first spiral heating pipes 8 are fixedly connected to the outer surface of the inner tank body 7, an injection layer 9 is arranged on the outer surface of the inner tank body 7, and the injection layer 9 is communicated with the injection opening 2 and the outflow opening 19.

In operation, the first spiral heating tube 8 heats the heating medium in the injection layer 9, thereby heating the material.

Referring to fig. 1-3, the present utility model provides a technical solution: the stirring mechanism comprises a motor 10 fixedly arranged on the upper surface of the sealing cover 3, a first gear 11 is fixedly arranged on an output shaft of the motor 10, a second gear 12 is meshed with the outer surface of the first gear 11, a rotating shaft 13 is fixedly connected with an inner ring of the second gear 12, and a plurality of stirring rods 14 are sequentially and symmetrically fixedly connected with the outer surface of the rotating shaft 13.

When the stirring rod is in operation, the motor 10 drives the first gear 11 to rotate, so that the second gear 12 drives the rotating shaft 13 to rotate, and then the stirring rod 14 rotates to stir materials.

Referring to fig. 1-3, the present utility model provides a technical solution: an opening 15 is formed in the outer surface of the rotating shaft 13, and a second spiral heating pipe 16 is fixedly connected to the inner wall of the opening 15.

During operation, the second spiral heating pipe 16 can conduct heat to the material through the rotating shaft 13, so that the heating effect on the material is improved, the whole material can be heated more uniformly, and the drying efficiency is improved.

Referring to fig. 1-3, the present utility model provides a technical solution: the end of the rotating shaft 13 far away from the sealing cover 3 is fixedly connected with a helical blade 17.

During operation, the rotating shaft 13 drives the helical blade 17 to rotate, so that materials can more uniformly pass through the discharge port 6 in the discharge process, and further the situation that the materials are blocked at the discharge port 6 is effectively prevented.

Referring to fig. 1-3, the present utility model provides a technical solution: one end of the stirring rod 14 far away from the rotating shaft 13 is fixedly connected with a silica gel scraping blade 18.

During operation, the stirring rod 14 drives the silica gel scraping blade 18 to rotate, so that materials adhered to the inner wall of the inner tank 7 during stirring are scraped into the stirring area again.

To sum up, in adding the inner tank body 7 with the material through pan feeding mouth 5, in adding injection layer 9 with heat-conducting medium through filling opening 2, first spiral heating pipe 8 heats the heating medium in the injection layer 9, thereby heat the material, the air in the inner tank body 7 is taken away to the vacuum pump 4 simultaneously, motor 10 drives first gear 11 and rotates, thereby make second gear 12 drive axis of rotation 13 rotate, and then make stirring rod 14 rotate, stir the material, after the drying is accomplished, the material can be under the even discharge gate 6 of passing through of helical blade 17 effect.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum drying device, includes cavity and upper and lower both sides all have open-ended outer jar body (1), its characterized in that: the inner wall of the outer tank body (1) is provided with a heating mechanism, the outer surface of the outer tank body (1) is provided with an injection port (2) and an outflow port (19), the upper surface of the outer tank body (1) is fixedly connected with a sealing cover (3), the upper side opening of the sealing cover (3) is provided with a stirring mechanism and a vacuum pump (4), the outer surface of the sealing cover (3) is provided with a feeding port (5), and the lower side opening of the outer tank body (1) is fixedly connected with a discharge port (6).

2. A vacuum drying apparatus according to claim 1, wherein: the heating mechanism comprises a hollow inner tank body (7) fixedly connected with the lower surface of the sealing cover (3), wherein openings are formed in the upper side and the lower side of the hollow inner tank body, two first spiral heating pipes (8) are fixedly connected to the outer surface of the inner tank body (7), an injection layer (9) is arranged on the outer surface of the inner tank body (7), and the injection layer (9) is communicated with the injection opening (2) and the outflow opening (19).

3. A vacuum drying apparatus according to claim 1, wherein: the stirring mechanism comprises a motor (10) fixedly arranged on the upper surface of the sealing cover (3), a first gear (11) is fixedly arranged on an output shaft of the motor (10), a second gear (12) is meshed with the outer surface of the first gear (11), a rotating shaft (13) is fixedly connected with the inner ring of the second gear (12), and a plurality of stirring rods (14) are sequentially and symmetrically fixedly connected with the outer surface of the rotating shaft (13).

4. A vacuum drying apparatus according to claim 3, wherein: an opening (15) is formed in the outer surface of the rotating shaft (13), and a second spiral heating pipe (16) is fixedly connected to the inner wall of the opening (15).

5. A vacuum drying apparatus according to claim 3, wherein: one end of the rotating shaft (13) far away from the sealing cover (3) is fixedly connected with a spiral blade (17).

6. A vacuum drying apparatus according to claim 3, wherein: one end of the stirring rod (14) far away from the rotating shaft (13) is fixedly connected with a silica gel scraping blade (18).