CN113758157A - Microwave vacuum freeze dryer and medium separation treatment method thereof - Google Patents
Microwave vacuum freeze dryer and medium separation treatment method thereof Download PDFInfo
- Publication number
- CN113758157A CN113758157A CN202110879506.4A CN202110879506A CN113758157A CN 113758157 A CN113758157 A CN 113758157A CN 202110879506 A CN202110879506 A CN 202110879506A CN 113758157 A CN113758157 A CN 113758157A
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- shell
- vacuum freeze
- placing plate
- freeze dryer
- water
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- 238000000926 separation method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 238000007710 freezing Methods 0.000 claims abstract description 10
- 230000008014 freezing Effects 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009777 vacuum freeze-drying Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 8
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- 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
- F26B25/06—Chambers, containers, or receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of microwave vacuum freezing, in particular to a microwave vacuum freeze dryer and a medium separation treatment method thereof, wherein the interior of a shell is vacuumized through a negative pressure pump, the freezing equipment adjusts the temperature in the shell to be 30 ℃ below zero and keeps the temperature for 10min, then the freezing equipment is closed, a microwave generator is started, the temperature in the shell is adjusted to be 100 ℃ and keeps the temperature for 30S, so that the surface of a material is sublimated into water mist, a steam absorption device discharges the generated water mist, a material placing plate is heated together in the heating process, and the material placing plate is rapidly cooled under the action of a cooling assembly in the material placing plate, so that the material is not heated secondarily, and ice on the surface of the material is not melted into a liquid state.
Description
Technical Field
The invention relates to the technical field of microwave vacuum freezing, in particular to a microwave vacuum freezing dryer and a medium separation treatment method thereof.
Background
The drying method of the object is many, such as air drying, sun drying, boiling drying, microwave drying, oven drying, spray drying, vacuum freeze drying and the like. The vacuum freeze drying technology is superior to other drying methods, can keep the original color, fragrance and taste of materials, and effectively prevent heat-sensitive substances, such as proteins and vitamins, from being denatured. The rehydration performance is good after freeze-drying, and the activity of the material is maintained.
At present in using microwave vacuum freeze dryer to carry out the microwave drying process, place the material on the microwave heating plate, the mode through microwave irradiation makes the inside and outside heating of object, nevertheless because the material is placed on the heating plate, the heating plate also can be heated when receiving microwave heating to lead to the microwave to stop heating the back, the heat of heating plate continues to give off, and waste heat on the heating plate can make the ice on material surface melt, and then leads to the drying failure.
Disclosure of Invention
The invention aims to provide a microwave vacuum freeze dryer and a medium separation treatment method thereof, and aims to solve the technical problems that in the prior art, an object is heated inside and outside in a microwave irradiation mode, but because a material is placed on a heating plate, the heating plate is also heated when being heated by microwaves, so that after the microwaves stop heating, the heat of the heating plate is continuously dissipated, and the residual heat on the heating plate can melt the ice on the surface of the material, thereby causing drying failure.
In order to achieve the purpose, the microwave vacuum freeze dryer adopted by the invention comprises a shell, a freezing device, a negative pressure pump, a heating device and a steam absorption device;
the refrigeration equipment is arranged in the shell, the negative pressure pump is arranged on the shell and communicated with the interior of the shell, and the steam absorption device is arranged on the shell and communicated with the interior of the shell;
heating device includes that microwave generator, material place the board, get and take subassembly and cooling module, microwave generator sets up in the casing, the material is placed the board through get take the subassembly with the casing is connected, and set up in the casing, material anchor clamps with the material is placed the board and is rotated and be connected, and is located one side that the board was placed to the material, cooling module sets up the material is placed in the board.
The cooling assembly comprises a water cooling pipe and a circulating water supply tank, the water cooling pipe is arranged in the material placing plate, and the end part of the water cooling pipe extends out of the material placing plate; the circulating water tank is fixedly connected with the shell and is communicated with the water cooling pipe.
The circulating water supply tank comprises a water pump and a tank body, and the water pump is connected with one end, extending out of the material placing plate, of the water cooling pipe; the box body is connected with the water cooling pipe through the water pump and is arranged on the shell.
The cooling assembly further comprises a heat-conducting plate, and the heat-conducting plate is fixedly connected with the water-cooling pipe and fixedly connected with the material placing plate.
The heat-conducting plate is provided with a heat-radiating groove, and the heat-radiating groove is arranged on the heat-conducting plate and penetrates through the heat-conducting plate.
The taking assembly comprises a taking guide rail, a sliding rod and a taking clamp, wherein the taking guide rail is fixedly connected with the shell, is arranged on the shell and penetrates through the shell; the sliding rod is connected with the taking guide rail in a sliding mode and extends into the shell towards the direction of the material placing plate; the taking clamp is arranged at one end, extending into the shell, of the sliding rod.
The steam absorption device comprises an air supply cylinder and an exhaust fan, wherein the air supply cylinder is fixedly connected with the shell, penetrates through the shell and is communicated with the inside of the shell; the exhaust fan is arranged in the air supply cylinder and communicated with the inside of the shell.
The steam absorbing device further comprises a sealing cover, the sealing cover is detachably connected with the air supply barrel and sleeved on one side, far away from the shell, of the air supply barrel.
A microwave vacuum freeze-drying medium separation treatment method comprises the following steps,
placing the material on a taking clamp;
placing the slide bar on the taking guide rail, and conveying the material to the material placing plate;
starting the negative pressure pump to vacuumize the shell;
starting the refrigeration equipment, adjusting the temperature in the shell to minus 30 ℃, and keeping the temperature for 10 min;
closing the refrigeration equipment, starting the microwave generator, adjusting the temperature in the shell to 100 ℃, and keeping the temperature for 30S;
and (4) closing the microwave generator, and opening the exhaust fan to exhaust steam in the shell.
The microwave vacuum freeze dryer and the medium separation processing method thereof of the invention are characterized in that the microwave vacuum freeze dryer is arranged on the surface of the water cooling pipe and is contacted with the top surface of the material placing plate, because the material is placed on the top of the material placing plate, because the air outlet inside the shell can be sealed by the sealing cover plate, the inside of the shell can be kept in a closed state, the inside of the shell is vacuumized by the negative pressure pump, the freezing equipment adjusts the temperature in the shell to minus 30 ℃ and keeps 10min, then the freezing equipment is closed, the microwave generator is started, the temperature in the shell is adjusted to 100 ℃ and kept for 30S, so that the surface of the material is sublimated into water mist, the steam absorbing device discharges the generated water mist, the material placing plate is heated together in the heating process, and because of the action of the water cooling pipe and the heat conducting plate inside the material placing plate, the material placing plate is cooled rapidly, so that secondary heating can not be carried out on the material, and ice on the surface of the material can not be melted into a liquid state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the microwave vacuum freeze dryer of the present invention.
Fig. 2 is a schematic structural view of the heating apparatus of the present invention.
Fig. 3 is a schematic view of the structure of the cooling module of the present invention.
Fig. 4 is a schematic view of a connection structure of the water cooling tube and the heat conductive plate of the present invention.
Fig. 5 is a schematic structural diagram of the picking assembly of the present invention.
FIG. 6 is a flow chart of the microwave vacuum freeze drying medium separation process of the present invention.
In the figure: 1-shell, 2-refrigeration equipment, 3-negative pressure pump, 4-heating device, 5-steam absorption device, 41-microwave generator, 42-material placing plate, 43-taking component, 44-cooling component, 51-air supply cylinder, 52-exhaust fan, 53-sealing cover, 431-taking guide rail, 432-slide bar, 433-taking clamp, 441-water cooling pipe, 442-circulating water supply tank, 443-heat conducting plate, 4421-water pump, 4422-box body and 4431-radiating groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a microwave vacuum freeze dryer, which includes a housing 1, a freezing device 2, a negative pressure pump 3, a heating device 4 and a vapor absorbing device 5;
the refrigeration equipment 2 is arranged in the shell 1, the negative pressure pump 3 is arranged on the shell 1 and is communicated with the interior of the shell 1, and the steam absorption device 5 is arranged on the shell 1 and is communicated with the interior of the shell 1;
the heating device 4 comprises a microwave generator 41, a material placing plate 42, a taking assembly 43 and a cooling assembly 44, wherein the microwave generator 41 is arranged in the shell 1, the material placing plate 42 is connected with the shell 1 through the taking assembly 43 and is arranged in the shell 1, the material clamp is rotatably connected with the material placing plate 42 and is positioned on one side of the material placing plate 42, and the cooling assembly 44 is arranged in the material placing plate 42.
Further, referring to fig. 3 and 4, the cooling module 44 includes a water cooling pipe 441 and a circulating water supply tank 442, the water cooling pipe 441 is disposed in the material placing plate 42, and an end of the water cooling pipe 441 protrudes out of the material placing plate 42; the circulating water tank is fixedly connected with the shell 1 and is communicated with the water cooling pipe 441.
Further, referring to fig. 2 and 3, the circulating water supply tank 442 includes a water pump 4421 and a tank 4422, and the water pump 4421 is connected to one end of the water cooling pipe 441 extending out of the material placing plate 42; the tank 4422 is connected to the water cooling pipe 441 through the water pump 4421 and is disposed on the housing 1.
Further, referring to fig. 3 and 4, the cooling assembly 44 further includes a heat conducting plate 443, and the heat conducting plate 443 is fixedly connected to the water cooling pipe 441 and fixedly connected to the material placing plate 42.
In the present embodiment, the refrigeration device 2 is specifically a compressor, the compressor is installed on the outer side surface of the casing 1 through bolts, the air suction pipe of the compressor extends into the casing 1, the exhaust pipe of the compressor is located on the outer side of the casing 1, and the compressor lifts low-pressure gas inside the casing 1 into high-pressure gas to provide a refrigeration cycle for the inside of the casing 1; the negative pressure pump 3 is fixed on the outer side of the shell 1 through a bolt, and vacuum is continuously formed in the shell 1 through an air suction nozzle and an air exhaust nozzle of the negative pressure pump 3; the microwave generator 41 is arranged on the inner side wall of the shell 1, and the material is heated through the microwave capability characteristics emitted by the microwave generator 41, and the microwave has obvious characteristics of short wavelength, high frequency, quantum characteristics and the like, so that the surface of the material can be rapidly heated; the material placing plate 42 is a rectangular plate, the cooling assembly 44 is installed in the material placing plate 42, the cooling assembly 44 absorbs heat of the material placing plate 42, so that the material placing plate 42 can be rapidly cooled after being heated, wherein the water cooling pipe 441 and the heat conducting plate 443 of the cooling assembly 44 are arranged in the material placing plate 42, the water cooling pipe 441 has a water inlet end and a water outlet end, the water inlet end and the water outlet end of the water cooling pipe 441 respectively extend out of the material placing plate 42 and the housing 1 and are communicated with the box 4422 arranged on the outer side surface of the housing 1, the water pump 4421 is arranged at the water inlet pipe of the water cooling pipe 441, the water pump 4421 drives the water cooling pipe 441 to absorb the cooling liquid in the box 4422 and pump the cooling liquid into the water cooling pipe 441 until the cooling liquid is returned to the box 4422, thus, heat can be quickly replaced; the heat conducting plate 443 is a honeycomb-shaped aluminum plate, and is disposed on the surface of the water cooling tube 441 and in contact with the top surface of the material placing plate 42, since the material is placed on the top of the material placing plate 42, since the air vent inside the casing 1 can be sealed by the sealing cover 53, the inside of the casing 1 can be kept in a sealed state, the inside of the casing 1 is vacuumized by the negative pressure pump 3, the temperature inside the casing 1 is adjusted to-30 ℃ by the refrigeration equipment 2 and kept for 10min, then the refrigeration equipment 2 is turned off, the microwave generator 41 is started, the temperature inside the casing 1 is adjusted to 100 ℃ and kept for 30S, so that the material on the surface is sublimated into mist, the steam absorbing device 5 discharges the generated mist, the material placing plate 42 is heated together during the heating process, and due to the effects of the water cooling tube 441 inside the material placing plate 42 and the heat conducting plate 443, so that the material placing plate 42 is rapidly cooled down, and thus the material is not secondarily heated, so that the ice on the surface of the material is not melted into a liquid state.
Further, referring to fig. 3 and 4, the thermal conductive plate 443 has heat dissipation grooves 4431, and the heat dissipation grooves 4431 are disposed on the thermal conductive plate 443 and penetrate the thermal conductive plate 443.
In this embodiment, the heat-dissipating grooves 4431 are provided in a large number on the surface of the heat-conducting plate 443, and the heat-dissipating grooves 4431 are provided to dissipate the heat of the heat-conducting plate 443 better, so that the material-placing plate 42 can be cooled better.
Further, referring to fig. 1 and fig. 5, the picking assembly 43 includes a picking guide 431, a sliding rod 432 and a picking clamp 433, wherein the picking guide 431 is fixedly connected to the housing 1, is disposed on the housing 1, and penetrates through the housing 1; the sliding rod 432 is connected with the taking guide rail 431 in a sliding manner and extends into the shell 1 towards the direction of the material placing plate 42; the taking clamp 433 is arranged at one end of the sliding rod 432 extending into the shell 1.
In the embodiment, a side surface of the housing 1 is provided with a closable opening, and the closed device is a blocking plate which can be tightly sealed with the opening of the housing 1 through rubber; get and take guide rail 431 and set up to inside hollow ring shape barrel, and get and be provided with in taking guide rail 431 slide bar 432, slide bar 432 passes through get take guide rail 431 and stretch into in the casing 1, and be close to the material is placed board 42, the front end of slide bar 432 is installed get and is taken anchor clamps 433, get and take anchor clamps 433 and be mechanical type anchor clamps, through set up the controlling means at slide bar 432 tail end, through setting up in the inside transmission of slide bar 432, thereby realize getting of slide bar 432 front end get anchor clamps 433 and realize the centre gripping.
Further, referring to fig. 1 and 2, the steam absorbing device 5 includes an air supply cylinder 51 and an exhaust fan 52, wherein the air supply cylinder 51 is fixedly connected with the casing 1, penetrates through the casing 1, and is communicated with the inside of the casing 1; the exhaust fan 52 is provided in the blower tube 51 and penetrates the inside of the casing 1.
In the present embodiment, the blower tube 51 is a hollow cylindrical body, and the blower tube 51 is attached to the top of the casing 1, extends into the casing 1, and penetrates the casing 1; the exhaust fan 52 is a rotary vane fan which supplies air towards the outside of the casing 1, and the rotation of the rotary vane drives the steam inside the casing 1 to be drawn out outwards.
Further, referring to fig. 1, the steam absorbing device 5 further includes a sealing cover 53, the sealing cover 53 is detachably connected to the air supply tube 51 and is sleeved on one side of the air supply tube 51 away from the housing 1
In the present embodiment, the sealing cover 53 is closed to the side of the blower tube 51 extending out of the opening of the casing 1, and the sealing cover 53 is screwed to the blower tube 51 to seal the inside of the blower tube 51.
Referring to fig. 6, a method for separating microwave vacuum freeze-drying medium includes the following steps,
s901: placing the material on a taking clamp 433;
s902: placing the sliding rod 432 on the taking guide rail 431, and conveying the material to the material placing plate 42;
s903: starting the negative pressure pump 3 to vacuumize the shell 1;
s904: starting the refrigeration equipment 2, adjusting the temperature in the shell 1 to minus 30 ℃, and keeping the temperature for 10 min;
s905: closing the refrigeration equipment 2, starting the microwave generator 41, adjusting the temperature in the shell 1 to 100 ℃, and keeping the temperature for 30S;
s906: the microwave generator 41 is turned off and the exhaust fan 52 is turned on to exhaust the steam inside the housing 1.
In the present embodiment, by being disposed on the surface of the water cooling pipe 441 and contacting with the top surface of the material placing plate 42, since the material is placed on the top of the material placing plate 42, since the air vent inside the casing 1 can be sealed by the sealing cover 53 plate, the inside of the casing 1 can be maintained in a sealed state, the inside of the casing 1 is vacuumed by the negative pressure pump 3, the refrigeration apparatus 2 adjusts the temperature inside the casing 1 to-30 ℃ for 10min, then the refrigeration apparatus 2 is turned off, the microwave generator 41 is turned on, the temperature inside the casing 1 is adjusted to 100 ℃ for 30S, so that the material surface is sublimated into mist, the vapor absorbing device 5 discharges the generated mist, the material placing plate 42 is heated together during the heating process, and due to the effects of the water cooling pipe 441 inside the material placing plate 42 and the heat conducting plate 443, so that the material placing plate 42 is rapidly cooled down, and thus the material is not secondarily heated, so that the ice on the surface of the material is not melted into a liquid state.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A microwave vacuum freeze dryer is characterized by comprising a shell, a freezing device, a negative pressure pump, a heating device and a steam absorption device;
the refrigeration equipment is arranged in the shell, the negative pressure pump is arranged on the shell and communicated with the interior of the shell, and the steam absorption device is arranged on the shell and communicated with the interior of the shell;
heating device includes that microwave generator, material place the board, get and take subassembly and cooling module, microwave generator sets up in the casing, the material is placed the board through get take the subassembly with the casing is connected, and set up in the casing, material anchor clamps with the material is placed the board and is rotated and be connected, and is located one side that the board was placed to the material, cooling module sets up the material is placed in the board.
2. A microwave vacuum freeze dryer as claimed in claim 1,
the cooling assembly comprises a water-cooling pipe and a circulating water supply tank, the water-cooling pipe is arranged in the material placing plate, and the end part of the water-cooling pipe extends out of the material placing plate; the circulating water tank is fixedly connected with the shell and is communicated with the water cooling pipe.
3. A microwave vacuum freeze dryer as claimed in claim 2,
the circulating water supply tank comprises a water pump and a tank body, and the water pump is connected with one end, extending out of the material placing plate, of the water cooling pipe; the box body is connected with the water cooling pipe through the water pump and is arranged on the shell.
4. A microwave vacuum freeze dryer as claimed in claim 2,
the cooling assembly further comprises a heat-conducting plate, and the heat-conducting plate is fixedly connected with the water-cooling pipe and fixedly connected with the material placing plate.
5. A microwave vacuum freeze dryer as claimed in claim 4,
the heat-conducting plate is provided with a heat-radiating groove, and the heat-radiating groove is arranged on the heat-conducting plate and penetrates through the heat-conducting plate.
6. A microwave vacuum freeze dryer as claimed in claim 1,
the taking assembly comprises a taking guide rail, a sliding rod and a taking clamp, wherein the taking guide rail is fixedly connected with the shell, is arranged on the shell and penetrates through the shell; the sliding rod is connected with the taking guide rail in a sliding mode and extends into the shell towards the direction of the material placing plate; the taking clamp is arranged at one end, extending into the shell, of the sliding rod.
7. A microwave vacuum freeze dryer as claimed in claim 1,
the steam absorption device comprises an air supply cylinder and an exhaust fan, wherein the air supply cylinder is fixedly connected with the shell, penetrates through the shell and is communicated with the inside of the shell; the exhaust fan is arranged in the air supply cylinder and communicated with the inside of the shell.
8. A microwave vacuum freeze dryer as claimed in claim 7,
the steam absorption device further comprises a sealing cover, the sealing cover is detachably connected with the air supply barrel and sleeved on one side, far away from the shell, of the air supply barrel.
9. A microwave vacuum freeze drying medium separation processing method, which adopts the microwave vacuum freeze dryer as claimed in claims 1 to 8, characterized by comprising the following steps,
placing the material on a taking clamp;
placing the slide bar on the taking guide rail, and conveying the material to the material placing plate;
starting the negative pressure pump to vacuumize the shell;
starting the refrigeration equipment, adjusting the temperature in the shell to minus 30 ℃, and keeping the temperature for 10 min;
closing the refrigeration equipment, starting the microwave generator, adjusting the temperature in the shell to 100 ℃, and keeping the temperature for 30S;
and (4) closing the microwave generator, and opening the exhaust fan to exhaust steam in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110879506.4A CN113758157A (en) | 2021-08-02 | 2021-08-02 | Microwave vacuum freeze dryer and medium separation treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110879506.4A CN113758157A (en) | 2021-08-02 | 2021-08-02 | Microwave vacuum freeze dryer and medium separation treatment method thereof |
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| CN113758157A true CN113758157A (en) | 2021-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201355176Y (en) * | 2009-01-20 | 2009-12-02 | 上海舒博拉尼制药设备有限公司 | Protector capable of rapidly cooling plate layers after steam sterilizing of freeze dryer |
| JP2013221667A (en) * | 2012-04-16 | 2013-10-28 | Kyushu Institute Of Technology | Composite drying method and drying device for the same |
| CN103650116A (en) * | 2011-05-31 | 2014-03-19 | 朗姆研究公司 | Substrate freeze dry apparatus and method |
| CN110455057A (en) * | 2019-08-21 | 2019-11-15 | 苏州先蚕丝绸生物科技有限公司 | A kind of fibroin vacuum freeze |
| CN211451573U (en) * | 2019-07-30 | 2020-09-08 | 霍虹屹 | Novel food vacuum freeze dryer |
| CN212778567U (en) * | 2020-08-05 | 2021-03-23 | 济南爱科替维生物科技有限公司 | Vacuum freeze drying device for biological enzyme detection |
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2021
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| JP2013221667A (en) * | 2012-04-16 | 2013-10-28 | Kyushu Institute Of Technology | Composite drying method and drying device for the same |
| CN211451573U (en) * | 2019-07-30 | 2020-09-08 | 霍虹屹 | Novel food vacuum freeze dryer |
| CN110455057A (en) * | 2019-08-21 | 2019-11-15 | 苏州先蚕丝绸生物科技有限公司 | A kind of fibroin vacuum freeze |
| CN212778567U (en) * | 2020-08-05 | 2021-03-23 | 济南爱科替维生物科技有限公司 | Vacuum freeze drying device for biological enzyme detection |
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