CN216308389U - Vacuum drying device - Google Patents
Vacuum drying device Download PDFInfo
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- CN216308389U CN216308389U CN202122481926.5U CN202122481926U CN216308389U CN 216308389 U CN216308389 U CN 216308389U CN 202122481926 U CN202122481926 U CN 202122481926U CN 216308389 U CN216308389 U CN 216308389U
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- vacuum drying
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Abstract
The application discloses a vacuum drying device, which comprises a vacuum drying component, a pressurizing component and a vacuum pump component, wherein the pressurizing component and the vacuum pump component are communicated with the vacuum drying component; the vacuum drying assembly comprises a vacuum drying tank, a heating module and a roller which is rotationally arranged in the vacuum drying tank, the roller can drive the material to be dried to rotate under the working state, and the heating module is used for heating the material to be dried; the pressurizing assembly is used for providing high-pressure steam for the roller and heating the material to be dried; the vacuum pump assembly is used for pumping gas in the vacuum drying tank, so that a pressure difference is formed in the vacuum drying tank. This application can improve the homogeneity, drying effect and the drying efficiency of being heated of material.
Description
Technical Field
The application relates to the technical field of vacuum drying, in particular to a vacuum drying device.
Background
The vacuum drying process is a process of placing the dried material in a sealed box body, continuously heating the dried material while vacuumizing the vacuum system, enabling the moisture in the material to be diffused to the surface through pressure difference or concentration difference, enabling water molecules to obtain enough kinetic energy on the surface of the material, and escaping to a low-pressure space of a vacuum chamber after overcoming the mutual attraction among the molecules, so as to be pumped away.
The tobacco shred drying usually adopts roller drying or airflow drying, the tobacco shred exchanges heat with high-temperature gas to take away water molecules in the tobacco shred, the drying form generally needs longer drying time or higher drying airflow temperature, and partial volatile fragrant substances have larger loss in the drying process. The vacuum drying can reduce the boiling point of water molecules, reduce the drying temperature of the tobacco shreds, retain volatile aroma substances in the tobacco shreds to a greater extent, and improve the sensory quality of cigarettes.
The heating system of the small vacuum box type drying equipment usually adopts electric heating; in large and medium-sized drying equipment, a heating system of the drying equipment generally adopts hot steam, warm water, heat-conducting oil or the like as a heating medium to provide heat energy for a drying oven. However, in the heating process of the existing vacuum drying device, the problems of uneven material heating and poor drying efficiency generally exist, so that the moisture content of the dried cut tobacco is unstable.
SUMMERY OF THE UTILITY MODEL
The application provides a new technical scheme of a vacuum drying device.
The application provides a vacuum drying device, which comprises a vacuum drying component, a pressurizing component and a vacuum pump component, wherein the pressurizing component and the vacuum pump component are communicated with the vacuum drying component;
the vacuum drying assembly comprises a vacuum drying tank, a heating module and a roller which is rotationally arranged in the vacuum drying tank, the roller can drive the material to be dried to rotate under the working state, and the heating module is used for heating the material to be dried;
the pressurizing assembly is used for providing high-pressure steam for the roller and heating the material to be dried;
the vacuum pump assembly is used for pumping gas in the vacuum drying tank, so that a pressure difference is formed in the vacuum drying tank.
Preferably, the heating module comprises an infrared cage heating belt, which is disposed at the outer periphery of the drum.
Preferably, the vacuum drying assembly further comprises a transmission shaft, a motor and an adapter member arranged at the first end of the vacuum drying tank;
one end of the transmission shaft is connected with the motor, and the other end of the transmission shaft is connected to the roller through the switching part;
under the working state, the motor drives the transmission shaft, and then drives the roller to rotate.
Preferably, the vacuum drying tank is further provided with a pressure gauge and a temperature sensor.
Preferably, the second end of the vacuum drying cylinder is further provided with a viewing window.
Preferably, the bottom of the vacuum drying tank is provided with a sewage outlet.
Preferably, the pressurizing assembly comprises a pressurizing tank, a steam pipeline and a spray head extending into the vacuum drying tank, wherein the pressurizing tank is communicated with the vacuum drying tank in sequence and is used for pressurizing gas to form steam, and the steam enters the vacuum drying tank through the spray head.
Preferably, a flow meter and a steam pipeline valve are arranged on the steam pipeline.
Preferably, the vacuum pump assembly comprises a first vacuum pump and a first branch pipeline which are arranged in series, the first branch pipeline comprises a first vacuum pipeline valve, and the end part of the first vacuum pipeline valve is connected with the vacuum drying tank.
Preferably, the vacuum pump assembly further comprises a second branch pipeline, the second branch pipeline comprises a second vacuum pump and a second vacuum pipeline valve, and the first branch pipeline and the second branch pipeline are arranged in parallel.
The utility model provides a vacuum drying device can drive through the cylinder and treat that dry material rotates, and the material is at the inside upset motion of cylinder, thermally equivalent to set up infrared cage heating module in the periphery of cylinder, further improve the homogeneity, drying efficiency and the drying effect of being heated of material.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural view of some embodiments of a vacuum drying apparatus according to the present application.
The figures are labeled as follows:
11. vacuum drying tank 12, roller 13 and heating module
14. Transmission shaft 15, motor 16, pressure gauge
17. Temperature sensor 18, observation window 19, drain
21. Pressurizing tank 22, steam pipeline 23 and spray head
24. Flowmeter 25, steam pipeline valve 31, first vacuum pump
32. A second vacuum pump 33, a first vacuum pipeline valve 34, a second vacuum pipeline valve
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Referring to fig. 1, fig. 1 is a schematic structural diagram of some embodiments of a vacuum drying apparatus according to the present application. As shown in fig. 1, the vacuum drying apparatus includes a vacuum drying assembly, a pressurizing assembly, and a vacuum pump assembly (not shown in its entirety). The pressurizing assembly is used for providing high-pressure steam for the roller and heating the material to be dried. Above-mentioned vacuum pump subassembly can make the material be in among the environment that has the pressure differential, and then makes the moisture of material can spread to the surface for this moisture can be discharged more fast, has improved the drying efficiency of this equipment.
Specifically, the vacuum drying module includes a vacuum drying tank 11, a heating module 13, and a drum 12 rotatably disposed in the vacuum drying tank 11. In an operating state, the drum 12 can drive the material to be dried to rotate, and the heating module 13 is used for heating the material to be dried. Alternatively, the heating module 13 may be an infrared cage heating belt, which may be uniformly distributed to the outer circumference of the drum 12. This infrared cage heating band can adjust output current through the controller, and then adjusts the heating power in this infrared cage heating band, and then can carry out drying operation to a plurality of kinds of material with the heating power who matches. Therefore, the drying efficiency and quality of the equipment can be improved.
Optionally, the vacuum drying assembly may further include a transmission shaft 14, a motor 15, and an adapter (not shown) disposed at a first end (left end in fig. 1) of the vacuum drying tank 11. In an assembled state, one end of the transmission shaft 14 is connected to the motor 15, and the other end is connected to the drum 12 via the adapter. In the working state, the motor 15 drives the transmission shaft 14, and further drives the roller 12 to rotate, so that the material is heated uniformly. Further, a radial shoveling plate can be arranged inside the drum 12 and used for guiding the material to be dried, so that the material to be dried is thrown and stirred in the drum to be uniformly heated.
Further, a pressure gauge 16 and a temperature sensor 17 may be further provided on the drum 12 to monitor the pressure and temperature inside the drum 12.
Still further, the second end (the right end shown in fig. 1) of the vacuum drying tank 11 may be provided with an observation window 18, so that the worker can monitor the drying process conveniently.
In order to prevent moisture or impurities from remaining in the vacuum drying tank 11, a drain outlet 19 may be provided at the bottom of the vacuum drying tank 11 to drain dirt.
With continued reference to fig. 1, the pressurizing assembly includes a pressurizing tank 21, a steam line 22, and a spray head 23 extending into the vacuum drying tank 11, which are connected in series. The pressurization tank 21 is used to pressurize and heat the gas to form steam. The steam is introduced into the drum 12 through the steam line 22 through the shower head 23, thereby providing high pressure gas. The number of the spray heads 23 can be one or more, and can be selected according to actual conditions. Further, a flow meter 24 and a steam line valve 25 may be provided on the steam line 22 for the purpose of determining the flow rate of the steam and achieving effective control.
Finally, the vacuum pump assembly described above is described with reference to fig. 1. The vacuum pump assembly comprises a first vacuum pump 31, a second vacuum pump 32, a first vacuum line valve 33 and a second vacuum line valve 34. The second vacuum pipeline valve 34 is connected to the first vacuum pump 31 to form a second branch pipeline, the first vacuum pipeline valve 33 forms a first branch pipeline, the first branch pipeline and the second branch pipeline are connected in parallel, first ends of the first branch pipeline and the second branch pipeline are both connected in series with the second vacuum pump 32, and first ends of the first branch pipeline and the second branch pipeline are both connected to the vacuum drying tank 11. In the operating state, the second vacuum pump 32 can be operated by opening the first vacuum line valve 33 and closing the second vacuum line valve 34. When the first vacuum pipeline valve 33 is closed and the second vacuum pipeline valve 34 is opened, the first vacuum pump 31 and the second vacuum pump 32 can work in series, and further the vacuum degree and the air suction amount in the vacuum drying tank can be improved.
The material to be dried can be tobacco material, Chinese herbal medicine, food, chemical raw material and the like. The apparatus of the present application may be an apparatus for drying tobacco materials, herbal medicines, foods, chemical raw materials, and the like.
Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. A vacuum drying device is characterized by comprising a vacuum drying component, a pressurizing component and a vacuum pump component, wherein the pressurizing component and the vacuum pump component are communicated with the vacuum drying component;
the vacuum drying assembly comprises a vacuum drying tank, a heating module and a roller which is rotationally arranged in the vacuum drying tank, the roller can drive a material to be dried to rotate under the working state, and the heating module is used for heating the material to be dried;
the pressurizing assembly is used for providing high-pressure steam for the roller and heating the material to be dried;
the vacuum pump assembly is used for pumping gas in the vacuum drying tank, so that a pressure difference is formed in the vacuum drying tank.
2. The vacuum drying apparatus of claim 1, wherein the heating module comprises an infrared cage heating belt disposed at an outer periphery of the drum.
3. The vacuum drying apparatus of claim 2, wherein the vacuum drying assembly further comprises a drive shaft, a motor, and an adapter member disposed at the first end of the vacuum drying canister;
one end of the transmission shaft is connected with the motor, and the other end of the transmission shaft is connected to the roller through the adapter part;
under the working state, the motor drives the transmission shaft, and then drives the roller to rotate.
4. Vacuum drying apparatus according to claim 3, wherein the vacuum drying canister is further provided with a pressure gauge and a temperature sensor.
5. The vacuum drying apparatus of claim 4, wherein the second end of the vacuum drying canister is further provided with a viewing window.
6. The vacuum drying device as claimed in claim 5, wherein a drain outlet is provided at the bottom of the vacuum drying tank.
7. The vacuum drying device according to claim 1, wherein the pressurizing assembly comprises a pressurizing tank, a steam pipeline and a spray head extending into the vacuum drying tank, the pressurizing tank is communicated in sequence and is used for pressurizing gas to form steam, and the steam enters the vacuum drying tank through the spray head.
8. The vacuum drying apparatus of claim 7, wherein a flow meter and a steam line valve are disposed on the steam line.
9. The vacuum drying apparatus of claim 1, wherein the vacuum pump assembly comprises a first vacuum pump and a first branch line arranged in series, the first branch line comprising a first vacuum line valve, an end of the first vacuum line valve being connected to the vacuum drying tank.
10. The vacuum drying apparatus of claim 9, wherein the vacuum pump assembly further comprises a second branch line comprising a second vacuum pump and a second vacuum line valve, the first branch line and the second branch line being arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122481926.5U CN216308389U (en) | 2021-10-14 | 2021-10-14 | Vacuum drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122481926.5U CN216308389U (en) | 2021-10-14 | 2021-10-14 | Vacuum drying device |
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| Publication Number | Publication Date |
|---|---|
| CN216308389U true CN216308389U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122481926.5U Active CN216308389U (en) | 2021-10-14 | 2021-10-14 | Vacuum drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597335A (en) * | 2022-10-20 | 2023-01-13 | 西安交通大学（Cn） | Phase-change heat exchange balanced drying device and working method thereof |
-
2021
- 2021-10-14 CN CN202122481926.5U patent/CN216308389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597335A (en) * | 2022-10-20 | 2023-01-13 | 西安交通大学（Cn） | Phase-change heat exchange balanced drying device and working method thereof |
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