CN220153077U - Vacuum microwave drying device - Google Patents

Vacuum microwave drying device Download PDF

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Publication number
CN220153077U
CN220153077U CN202321502378.2U CN202321502378U CN220153077U CN 220153077 U CN220153077 U CN 220153077U CN 202321502378 U CN202321502378 U CN 202321502378U CN 220153077 U CN220153077 U CN 220153077U
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China
Prior art keywords
cavity
inner container
water tank
driving piece
shell
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CN202321502378.2U
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Chinese (zh)
Inventor
魏志华
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Dongguan Hanshuo Jianyuan Biotechnology Co ltd
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Dongguan Hanshuo Jianyuan Biotechnology Co ltd
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Priority to CN202321502378.2U priority Critical patent/CN220153077U/en
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Abstract

The utility model relates to a vacuum microwave drying device which comprises a shell, an inner container, a vacuum pump, a driving piece, a rotary table, a blow-down valve and a water tank. The vacuum pump is communicated with the inner container, the driving piece is arranged on the shell, and the output end of the driving piece is arranged in the inner container; the turntable is detachably connected with the output end of the driving piece in the inner container; the water tank is arranged in the cavity, and a sewage draining tap penetrating out of the shell is also arranged on the water tank; the blow-down valve is arranged at the water outlet and can connect or disconnect the water outlet with the water tank. The water drops that condense in the inner bag and later stage clearance moisture can gather in the inner bag bottom to because the inner bag bottom slope, make moisture all incline forward and accumulate, after opening the blowoff valve, ponding flows in the water tank and stores, and the carousel also conveniently dismantles, makes the clearance work more convenient.

Description

Vacuum microwave drying device
Technical Field
The utility model relates to the technical field of material drying, in particular to a vacuum microwave drying device.
Background
Drying is an effective method for preserving foods and medicines for a long time, and a traditional dryer generally uses hot air for drying, so that the energy consumption is high and the efficiency is low. Therefore, a vacuum microwave dryer which heats by utilizing heat radiation exists, but the prior vacuum microwave dryer has the defects that water accumulation is easy to occur after water vapor generated in the drying process is condensed because the inner container belongs to a sealing structure, and the inside of the inner container is difficult to clean.
Disclosure of Invention
In view of the above, the utility model provides a vacuum microwave drying device for solving the problem that the inner container of the equipment in the prior art is difficult to clean.
To achieve one or some or all of the above or other objects, the present utility model provides:
a vacuum microwave drying device comprises a shell, an inner container, a vacuum pump, a driving piece, a rotary table, a blow-down valve and a water tank;
the shell is internally provided with a cavity, the inner container is arranged in the cavity, the inner container is internally provided with a drying cavity, the front end of the inner container is provided with an opening for connecting the drying cavity, the opening is also provided with a sealing cover, the bottom of the inner container is obliquely arranged, the front end of the inner container is lower than the rear end of the inner container, and the bottom of the front end of the inner container is also provided with a water outlet;
the vacuum pump is also arranged in the cavity and is communicated with the inner container;
the driving piece is arranged on the shell, and the output end of the driving piece is arranged in the drying cavity;
the rotary table rotates in the drying cavity and is detachably connected with the output end of the driving piece, and the driving piece can drive the rotary table to rotate;
the water tank is arranged in the cavity, and a sewage draining tap penetrating out of the shell is also arranged on the water tank;
the blow-down valve is arranged at the water outlet and can connect or disconnect the water outlet with the water tank.
Preferably, the inner container is in a cylindrical shape, the top of the inner container is in an inverted cone shape, and the vacuum pump is connected to the topmost end of the inverted cone-shaped inner container.
Preferably, the lower end of the rotary table is provided with a plug column, the plug column is also provided with a positioning boss, the output end of the driving piece is provided with a slot and a positioning slot for connecting the slot, the plug column is inserted in the slot, and the positioning boss is arranged in the positioning slot.
Preferably, the water tank is also provided with a cooling mechanism.
Preferably, the cavity comprises a first cavity and a second cavity positioned below the first cavity, a partition plate is arranged between the first cavity and the second cavity, a through radiating hole is arranged on the partition plate, and a radiating pipe communicated with the first cavity is arranged at the top of the shell;
the inner bag is installed on the baffle and is located first chamber, and the driving piece is installed on the baffle and is located the second chamber, and vacuum pump, blowoff valve and water tank are all located the second chamber.
Preferably, the working temperature of the inner container is 50-95 ℃.
Preferably, the vacuum degree of the liner during operation is 0.09MPa.
The implementation of the embodiment of the utility model has the following beneficial effects:
after the vacuum microwave drying device is adopted, condensed water drops in the drying cavity and water cleaned later can be accumulated at the bottom of the drying cavity, and the water flows forwards in an inclined manner and is accumulated due to the inclination of the bottom of the drying cavity, and after the drain valve is opened, accumulated water flows into the water tank for storage after passing through the water outlet. The turntable is detachable, so that the cleaning work is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an external structure of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the casing.
Fig. 3 is a schematic view of the first and second chambers.
Fig. 4 is a side cross-sectional view of the liner.
FIG. 5 is a schematic diagram showing the distribution of the heat dissipation holes on the partition board.
Fig. 6 is a schematic diagram of a detachable connection structure of the turntable and the output end of the driving member.
Wherein: the vacuum pump comprises a shell 1, a liner 2, a vacuum pump 3, a driving piece 4, a rotary table 5, a blow-down valve 6, a water tank 7, a sealing cover 8, a drying cavity 20, a water outlet 21, a magnetron 22, a slot 40, a positioning groove 41, a plug 50, a positioning boss 51, a cooling mechanism 70, a first cavity 101, a second cavity 102, a partition 103, a heat dissipation hole 104 and a heat dissipation pipe 105.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, a vacuum microwave drying apparatus includes a cabinet 1, a liner 2, a vacuum pump 3, a driving member 4, a rotary disk 5, a drain valve 6, and a water tank 7.
The shell 1 is internally provided with a cavity, and the shell 1 is also provided with a control center and an external power supply. The inner container 2 is arranged in the cavity, a drying cavity 20 is arranged in the inner container 2, an opening for connecting the drying cavity 20 is arranged at the front end of the inner container 2, a sealing cover 8 is further arranged at the opening, and the sealing cover 8 is used for sealing or opening the drying cavity 20. The bottom of the inner container 2 is obliquely arranged, the front end of the inner container 2 is lower than the rear end of the inner container, the bottom of the front end of the inner container 2 is also provided with a water outlet 21, the inner container 2 is also connected with a magnetron 22, and the magnetron 22 is used for generating microwaves.
A vacuum pump 3 is also mounted in the cavity, and the vacuum pump 3 is controlled by the electrical control center. The vacuum pump 3 is also communicated with the inner container 2, and after the sealing cover 8 is closed, the vacuum pump 3 is started, so that the inner container 2 can be vacuumized. It should be noted that the inner container 2 is further connected with an air inlet valve, and is used for inflating the inner container 2 after the drying process is finished, so as to balance the internal and external air pressure of the inner container 2.
The driving piece 4 is a motor with a reduction gearbox, and the driving piece 4 is also electrically controlled by the control center. The driving member 4 is integrally mounted on the casing 1, and the output end of the driving member 4 penetrates the liner 2 from bottom to top and is placed in the drying cavity 20. It should be noted that there is a sealing means for the connection between the output end of the driving element 4 and the inner container 2, which is not shown in the figures.
The turntable 5 is used for containing material products, the turntable 5 rotates in the drying cavity 20 and is detachably connected to the output end of the driving piece 4, and the driving piece 4 can drive the turntable 5 to rotate.
The water tank 7 is also arranged in the cavity, and a drain tap penetrating out of the shell 1 is also arranged on the water tank 7. The blow-down valve 6 is an electromagnetic valve, which is controlled by the electrical property of the control center, and the blow-down valve 6 is arranged at the water outlet 21 and can connect or disconnect the water outlet 21 with the water tank 7.
When the vacuum pump 3 is started, the blow-off valve 6 is in a closed state, and the water tank 7 is prevented from being communicated with the liner 2; in the vacuum microwave drying process, the generated water mist is condensed and falls off on the inner wall surface of the drying cavity 20, water is accumulated at the bottom of the front end of the inner container 2, the water is all positioned below the turntable 5, the water surface area of the water is relatively small, the secondary evaporation degree in the drying process is reduced, and the water vapor content in the drying cavity 20 can be effectively reduced; after the drying is finished, an air inlet valve is opened to enable the inner container 2 to be inflated, then a drain valve 6 is opened, and accumulated water at the bottom of the drying cavity 20 is discharged to the water tank 7 through the water outlet 21 to be stored. Of course, when the drying chamber 20 is cleaned, the rotary table 5 can be detached, so that the drying chamber 20 and the rotary table 5 can be cleaned conveniently, and the cleaned sewage can be discharged into the water tank 7 through the water outlet 21. When a certain amount of water is stored in the water tank 7, the sewage tap can be opened to discharge all sewage in the period.
Further, the inner container 2 is in a cylindrical shape, the top of the inner container 2 is in an inverted cone shape, the water outlet 21 is positioned at the lowest position of the inner container 2, the arrangement can stagger the rotating shaft of the rotary disc 5 and the water outlet 21, and the water inside the inner container 2 can be ensured to flow obliquely to one position. The vacuum pump 3 is connected to the top end of the inverted cone-shaped inner container 2, and the inverted cone-shaped inner wall surface can enable the water mist condensed on the inverted cone-shaped inner wall surface to slide down along the inverted cone-shaped inner wall surface instead of directly dripping on the top surface, so that the condensed water drops can be prevented from dripping on the articles to be dried.
Further, referring to fig. 6, regarding the structure that the turntable 5 is detachably mounted at the output end of the driving member 4, in this embodiment, preferably, a plug 50 is provided at the lower end of the turntable 5, a positioning boss 51 is further provided on the plug 50, the output end of the driving member 4 is provided with a slot 40 and a positioning slot 41 for connecting with the slot 40, the plug 50 is inserted into the slot 40, and the positioning boss 51 is placed in the positioning slot 41. Therefore, only the insert pin 50 is directly inserted into the slot 40, the driving member 4 can drive the turntable 5 to rotate, and the positioning boss 51 is used for preventing the turntable 5 from rotating relative to the output end of the driving member 4, i.e. preventing slipping.
Further, since the water in the water tank 7 is heated just after the drying process, and the water body is in a relatively glowing state, in this embodiment, the water tank 7 is further provided with a cooling mechanism 70 for quickly cooling the water entering the water tank 7, so as to prevent the sewage from overheating when the drain tap is directly opened. Of course, the cooling mechanism 70 is also controlled by the electrical control center.
Further, since the vacuum pump 3, the driving member 4, the magnetron 22 and the cooling mechanism 70 generate heat during operation, the sealing of the casing 1 will cause the temperature in the cavity to rise gradually, and the internal structure will be burned even if the temperature is too high. Therefore, in this embodiment, the cavity is divided into a first cavity 101 and a second cavity 102 located below the first cavity 101, a partition 103 is disposed between the first cavity 101 and the second cavity 102, a through heat dissipation hole 104 is disposed on the partition 103, a heat dissipation tube 105 connected to the first cavity 101 is disposed on the top of the casing 1, and an exhaust fan or a negative pressure air source is installed in the heat dissipation tube 105 for sucking air in the cavity. The baffle 103 is further provided with an inclined table surface in the first cavity 101, the liner 2 is positioned in the first cavity 101, the liner 2 is installed on the inclined table surface, the bottom surface of the liner 2 is matched with the inclined table surface, so that the bottom surface of the liner 2 is inclined under the condition that the whole body is vertical, and the liner 2 is installed more stably. The driving member 4 is mounted on the partition 103 and is located in the second chamber 102, and the vacuum pump 3, the drain valve 6 and the water tank 7 are located in the second chamber 102. The second cavity 102 is connected with the first cavity 101 through the heat dissipation holes 104, so that heat in the second cavity 102 can be diffused into the first cavity 101 along with the flow of air, and then the heat is pumped away by the heat dissipation pipe 105, thereby dissipating the heat of the first cavity 101 and the second cavity 102, and the distribution of the heat dissipation holes is shown in fig. 5.
Further, when the liner 2 works, the vacuum degree is 0.09MPa, namely the vacuum pressure is minus 0.09MPa, so that the gas pressure in the liner 2 is extremely low, the boiling point of water is about 48 ℃, the boiling point of water can be reduced due to the reduction of the gas pressure, namely the heating temperature of foods and medicines can be correspondingly reduced, and low-temperature drying and water evaporation can be carried out. However, since the inner container 2 cannot be completely sealed, the vacuum degree in the inner container 2 will be reduced after a period of operation, and the boiling point will be correspondingly increased, therefore, in this embodiment, the operating temperature of the inner container 2 is preferably 50-95 ℃, so that the user can adjust the temperature according to the food or medicine to be dried, and the temperature of the food or medicine to be dried can be prevented from changing color or causing protein denaturation under the condition of ensuring that the boiling point of water can be reached.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (7)

1. The vacuum microwave drying device is characterized by comprising a shell, an inner container, a vacuum pump, a driving piece, a rotary table, a blow-down valve and a water tank;
the shell is internally provided with a cavity, the inner container is arranged in the cavity, a drying cavity is arranged in the inner container, the front end of the inner container is provided with an opening for connecting the drying cavity, the opening is also provided with a sealing cover, the bottom of the inner container is obliquely arranged, the front end of the inner container is lower than the rear end of the inner container, and the bottom of the front end of the inner container is also provided with a water outlet;
the vacuum pump is also arranged in the cavity and is communicated with the inner container;
the driving piece is arranged on the shell, and the output end of the driving piece is arranged in the drying cavity;
the rotary table rotates in the drying cavity and is detachably connected with the output end of the driving piece, and the driving piece can drive the rotary table to rotate;
the water tank is arranged in the cavity, and a drain tap penetrating out of the shell is further arranged on the water tank;
the blow-down valve is arranged at the water outlet and can connect or disconnect the water outlet with the water tank.
2. A vacuum microwave drying apparatus as claimed in claim 1, wherein the inner container is cylindrically shaped, and the top of the inner container is inversely tapered, and the vacuum pump is connected to the top of the inversely tapered inner container.
3. The vacuum microwave drying device according to claim 1, wherein the lower end of the turntable is provided with a plug, the plug is further provided with a positioning boss, the output end of the driving member is provided with a slot and a positioning slot for connecting the slot, the plug is inserted into the slot, and the positioning boss is placed in the positioning slot.
4. A vacuum microwave drying apparatus as claimed in claim 1, wherein the water tank is further provided with a cooling mechanism.
5. The vacuum microwave drying device according to claim 1, wherein the cavity comprises a first cavity and a second cavity positioned below the first cavity, a partition plate is arranged between the first cavity and the second cavity, through radiating holes are formed in the partition plate, and a radiating pipe communicated with the first cavity is arranged at the top of the shell;
the inner container is arranged on the partition board and is positioned in the first cavity, the driving piece is arranged on the partition board and is positioned in the second cavity, and the vacuum pump, the blow-down valve and the water tank are all positioned in the second cavity.
6. The vacuum microwave drying apparatus of claim 1, wherein the operating temperature of the liner is 50-95 degrees celsius.
7. The vacuum microwave drying apparatus according to claim 1, wherein the vacuum degree of the inner container is 0.09MPa when the inner container is in operation.
CN202321502378.2U 2023-06-13 2023-06-13 Vacuum microwave drying device Active CN220153077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321502378.2U CN220153077U (en) 2023-06-13 2023-06-13 Vacuum microwave drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321502378.2U CN220153077U (en) 2023-06-13 2023-06-13 Vacuum microwave drying device

Publications (1)

Publication Number Publication Date
CN220153077U true CN220153077U (en) 2023-12-08

Family

ID=89017097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321502378.2U Active CN220153077U (en) 2023-06-13 2023-06-13 Vacuum microwave drying device

Country Status (1)

Country Link
CN (1) CN220153077U (en)

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