CN117367041A - Vacuum freeze-drying equipment and system for herbal food - Google Patents
Vacuum freeze-drying equipment and system for herbal food Download PDFInfo
- Publication number
- CN117367041A CN117367041A CN202311594857.6A CN202311594857A CN117367041A CN 117367041 A CN117367041 A CN 117367041A CN 202311594857 A CN202311594857 A CN 202311594857A CN 117367041 A CN117367041 A CN 117367041A
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- Prior art keywords
- water
- pipeline
- control valve
- branch pipeline
- bracket
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Links
- 235000013305 food Nutrition 0.000 title claims abstract description 30
- 238000009777 vacuum freeze-drying Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000010257 thawing Methods 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004108 freeze drying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
-
- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of special equipment for agricultural and sideline food processing, in particular to vacuum freeze-drying equipment and system for herbaceous food, comprising: the vacuum bin and the water tank are of cylindrical structures, and the bin gate is arranged at the left end of the shell; the partition plate is welded on the inner wall of the shell; the air valve is fixed on the left side of the partition plate through bolts; the main pipeline is arranged on the right side of the water catcher and is respectively connected with the steam inlet pipe and the air compressor through the steam control valve and the compressed air control valve; one end of the branch pipeline is welded and fixed on the outer wall of the rear side of the main pipeline; the nozzles are uniformly distributed on one side of the branch pipeline close to the water catcher; the electric heating wire is wound on the outer wall of the branch pipeline; the invention has the advantages of high defrosting efficiency, no dead angle, water resource saving and improved use efficiency of the device by improving the vacuum freeze-drying equipment and the system of the herbaceous food, thereby effectively solving the problems and the defects in the prior art and equipment.
Description
Technical Field
The invention relates to the technical field of special equipment for agricultural and sideline food processing, in particular to vacuum freeze-drying equipment and system for herbaceous food.
Background
The vacuum freeze drying technology is a drying technology which freezes wet materials or solution into solid state at a lower temperature (-10 ℃ to minus 50 ℃), then sublimates moisture in the solid state directly into gas state without liquid state under vacuum (1.3 to 13 Pa), and finally dehydrates the materials.
The water catcher is a device used in vacuum freeze-drying equipment and is used for condensing sublimated water vapor into water, frost is condensed on the surface of the water catcher after the water catcher is used for a period of time, hot water is heated and sprayed onto the surface of the water catcher to defrost at present, a part of heat loss is generated in the process of heating the water by the steam, the energy consumption is increased, meanwhile, the hot water is sprayed onto the surface of the water catcher, dead angles are easy to generate, the defrosting speed is lower, water remains on the surface of the water catcher after defrosting, the reuse of the equipment is affected, the running efficiency of the equipment is reduced, and the production cost is increased.
In view of the above, the present invention provides a vacuum freeze-drying device and system for herbal food products, which aims to solve the problems and improve the practical value.
Disclosure of Invention
The invention aims to provide a vacuum freeze-drying device and a vacuum freeze-drying system for herbal food products, which are used for solving the problems and the defects in the background technology.
In order to achieve the above purpose, the invention provides a vacuum freeze-drying device and system for herbaceous food products, which is achieved by the following specific technical means:
a vacuum freeze-drying device and system for herbal food products, comprising: the device comprises a vacuum bin, a water tank, a heat exchanger, a steam inlet pipe, a water catcher, a refrigerating unit, a vacuum pump, a defrosting device, an air compressor, a shell, a bin gate, a partition board, a drying chamber, a water catcher, an air valve, a heating plate, a bracket, a drain pipe, a main pipeline, a steam control valve, a compressed air control valve, a branch pipeline, a nozzle, a bracket and an electric heating wire; the vacuum bin consists of a shell, a bin door, a partition board, a drying chamber, a water-catching chamber, an air valve, a heating plate, a bracket and a drain pipe; the shell is of a cylindrical structure, and the bin gate is arranged at the left end of the shell; the partition plate is welded on the inner wall of the shell; the drying chamber is arranged on the left side of the partition plate; the water catching chamber is arranged on the right side of the partition plate; the air valve is fixed on the left side of the partition plate through bolts; the heating plates are fixedly arranged in the drying chamber, and the brackets are inserted between the heating plates; the drain pipe is welded on the outer wall of the lower part of one end of the water catching chamber of the shell; the water tank water outlet pipe is connected with the heating plate through the heat exchanger, and the water tank water inlet pipe is connected with the heating plate; the steam inlet pipe is connected with the heat exchanger; the water catcher is arranged in the water catcher chamber and is connected with the refrigerating unit through a pipeline; the vacuum pump is connected with one end of the vacuum bin, which is close to the water catching chamber, through a pipeline; the defrosting device is fixedly arranged on the right side of the water catcher; the defrosting device consists of a main pipeline, a steam control valve, a compressed air control valve, branch pipelines, nozzles, a bracket and an electric heating wire; the main pipeline is arranged on the right side of the water catcher and is respectively connected with the steam inlet pipe and the air compressor through the steam control valve and the compressed air control valve; one end of the branch pipeline is welded and fixed on the outer wall of the rear side of the main pipeline; the nozzles are uniformly distributed on one side of the branch pipeline close to the water catcher; the electric heating wire is wound on the outer wall of the branch pipeline; the two ends of the support are welded on the inner wall of the shell, and one end of the branch pipeline is fixedly spliced with the support.
As a further optimization of the technical scheme, the branch pipeline of the vacuum freeze-drying equipment and the vacuum freeze-drying system for the herbaceous food is of a circular tubular structure, and a plurality of parts of the branch pipeline are welded on the outer wall of the main pipeline.
As a further optimization of the technical scheme, the vacuum freeze-drying equipment and the vacuum freeze-drying system for the herbal food are characterized in that a plurality of nozzles are uniformly distributed on one side of a branch pipeline.
As a further optimization of the technical scheme, the bracket of the vacuum freeze-drying equipment and the vacuum freeze-drying system for the herbaceous food is of a rectangular plate-shaped structure, and a plurality of round holes are formed in the bracket.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the branch pipeline is of a circular tubular structure, a plurality of parts are welded on the outer wall of the main pipeline, the nozzles are uniformly arranged at one side of the branch pipeline, steam is sprayed out of the nozzles through the steam control valve, and the steam is filled in the water capturing chamber, so that frost on the surface of the water capturing device is melted, the defrosting efficiency is high, no dead angle exists, and compared with hot water defrosting, water resources are saved.
2. The main pipeline of the invention is respectively connected with the steam inlet pipe and the air compressor through the steam control valve and the compressed air control valve, the electric heating wire is wound on the outer wall of the branch pipeline, the compressed air control valve is opened, the electric heating wire heats air when the compressed air passes through the branch pipeline, the heated air is sprayed out from the nozzle, the moisture on the surface of the water catcher is dried, the next freeze-drying of food is convenient, the use efficiency of the device is improved, and the use cost is reduced.
3. The invention has the advantages of high defrosting efficiency, no dead angle, water resource saving and improved use efficiency of the device by improving the vacuum freeze-drying equipment and the system of the herbaceous food, thereby effectively solving the problems and the defects in the prior art and equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a vacuum cartridge of the present invention;
FIG. 3 is a schematic view of a water trap and defroster of the present invention;
fig. 4 is a schematic view of the defrosting apparatus of the present invention.
In the figure: vacuum chamber 1, water tank 2, heat exchanger 3, steam intake pipe 4, water trap 5, refrigerating unit 6, vacuum pump 7, defroster 8, air compressor 9, casing 101, chamber door 102, partition 103, drying chamber 104, water trap chamber 105, air valve 106, heating plate 107, bracket 108, drain pipe 109, main pipe 801, steam control valve 802, compressed air control valve 803, branch pipe 804, nozzle 805, bracket 806, heating wire 807.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1 to 4, the present invention provides a vacuum freeze-drying device and a system for herbal food, which are specific technical embodiments of:
a vacuum freeze-drying device and system for herbal food products, comprising: vacuum chamber 1, water tank 2, heat exchanger 3, steam intake pipe 4, water trap 5, refrigerating unit 6, vacuum pump 7, defroster 8, air compressor 9, casing 101, chamber door 102, partition 103, drying chamber 104, water trap chamber 105, air valve 106, heating plate 107, bracket 108, drain pipe 109, main pipe 801, steam control valve 802, compressed air control valve 803, branch pipe 804, nozzle 805, bracket 806, heating wire 807; the vacuum bin 1 consists of a shell 101, a bin door 102, a partition plate 103, a drying chamber 104, a water catching chamber 105, an air valve 106, a heating plate 107, a bracket 108 and a drain pipe 109; the shell 101 is of a cylindrical structure, and the bin gate 102 is arranged at the left end of the shell 101; the partition plate 103 is welded on the inner wall of the housing 101; the drying chamber 104 is arranged on the left side of the partition 103; the water catching chamber 105 is arranged on the right side of the partition plate 103; the air valve 106 is fixed on the left side of the partition plate 103 through bolts; the heating plates 107 are fixedly arranged in the drying chamber 104, and the brackets 108 are inserted between the heating plates 107; the drain pipe 109 is welded on the outer wall of the lower part of one end of the water capturing chamber 105 of the shell 101; the water outlet pipe of the water tank 2 is connected with the heating plate 107 through the heat exchanger 3, and the water inlet pipe of the water tank 2 is connected with the heating plate 107; the steam intake pipe 4 is connected to the heat exchanger 3.
The water catcher 5 is arranged in the water catcher 105, and the water catcher 5 is connected with the refrigerating unit 6 through a pipeline; the vacuum pump 7 is connected with one end of the vacuum bin 1, which is close to the water catching chamber 105, through a pipeline; the defrosting device 8 is fixedly arranged on the right side of the water catcher 5; the defrosting device 8 consists of a main pipeline 801, a steam control valve 802, a compressed air control valve 803, a branch pipeline 804, a nozzle 805, a bracket 806 and an electric heating wire 807; the main pipe 801 is arranged on the right side of the water catcher 5, and the main pipe 801 is respectively connected with the steam inlet pipe 4 and the air compressor 9 through the steam control valve 802 and the compressed air control valve 803; the branch pipelines 804 are of a circular tubular structure, and a plurality of positions of the branch pipelines 804 are welded on the outer wall of the main pipeline 801; one end of the branch pipeline 804 is welded and fixed on the outer wall of the rear side of the main pipeline 801; the nozzles 805 are uniformly distributed on one side of the branch pipeline 804, which is close to the water catcher 5; the nozzles 805 are uniformly arranged at a plurality of positions at one side of the branch pipeline 804; steam is sprayed out of the nozzle 805 through the steam control valve 802, and the steam fills the water capturing chamber 105, so that frost on the surface of the water capturing device 5 is melted, the defrosting efficiency is high, no dead angle exists, and compared with hot water defrosting, water resources are saved; the heating wire 807 is wound around the outer wall of the branch pipe 804; the compressed air control valve 803 is opened, the electric heating wire 807 heats the air when the compressed air passes through the separation pipeline 804, the heated air is sprayed out from the nozzle 805, the moisture on the surface of the water catcher 5 is dried, the next freeze-drying of food is facilitated, the use efficiency of the device is improved, and the use cost is reduced; the bracket 806 is of a rectangular plate-shaped structure, and a plurality of round holes are formed in the bracket 806; both ends of the bracket 806 are welded to the inner wall of the housing 101, and one end of the branch pipe 804 is fixedly inserted into the bracket 806.
Working principle:
when the defrosting device is used, frozen food is placed on the bracket 108, the bin gate 102 is closed, water in the water tank 2 is heated by the heat exchanger 3 and then enters the heating plate 107, the food is sublimated by ice crystals in the heated food of the heating plate 107, the vacuum pump 7 vacuumizes the vacuum bin 1, sublimated water vapor enters one side of the water capturing chamber 105 through the air valve 106, the refrigerating unit 6 cools the water catcher 5, the vapor is condensed on the surface of the water catcher 5, the food is taken out after the freeze drying of the food is finished, when the water catcher 5 needs to be defrosted, the air valve 106 is closed, the vapor control valve 802 is opened, the vapor is sprayed out from the nozzle 805 through the main pipeline 801 and the branch pipeline 804, frost on the surface of the water catcher 5 is melted, the water is discharged from the drain pipe 109, after the defrosting is finished, the vapor control valve 802 is closed, the compressed air enters the branch pipeline 804 through the main pipeline 801, the compressed air is sprayed out from the nozzle 805 after the compressed air is heated by the electric heating wire 807, the water on the surface of the water catcher 5 is dried through the hot air, the defrosting efficiency is high, and the using efficiency of the device is improved.
To sum up: according to the vacuum freeze-drying equipment and system for the herbal food, the branch pipeline is of a circular tubular structure, a plurality of parts are welded on the outer wall of the main pipeline, the nozzles are uniformly arranged on one side of the branch pipeline, steam is sprayed out of the nozzles through the steam control valve, and the water trapping chamber is filled with the steam, so that frost on the surface of the water trapping device is melted, defrosting efficiency is high, no dead angle exists, and compared with hot water defrosting, water resources are saved; the main pipeline is respectively connected with the steam inlet pipe and the air compressor through the steam control valve and the compressed air control valve, the electric heating wire is wound on the outer wall of the branch pipeline, the compressed air control valve is opened, the electric heating wire heats air when the compressed air passes through the branch pipeline, the heated air is sprayed out of the nozzle, the moisture on the surface of the water catcher is dried, the next freeze-drying of food is facilitated, the use efficiency of the device is improved, and the use cost is reduced; the invention has the advantages of high defrosting efficiency, no dead angle, water resource saving and improved use efficiency of the device by improving the vacuum freeze-drying equipment and the system of the herbaceous food, thereby effectively solving the problems and the defects in the prior art and equipment.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A vacuum freeze-drying device and system for herbal food products, comprising: a vacuum bin (1), a water tank (2), a heat exchanger (3), a steam inlet pipe (4), a water catcher (5), a refrigerating unit (6), a vacuum pump (7), a defrosting device (8), an air compressor (9), a shell (101), a bin gate (102), a partition plate (103), a drying chamber (104), a water catcher (105), an air valve (106), a heating plate (107), a bracket (108), a drain pipe (109), a main pipeline (801), a steam control valve (802), a compressed air control valve (803), a branch pipeline (804), a nozzle (805), a bracket (806) and an electric heating wire (807); the method is characterized in that: the vacuum bin (1) consists of a shell (101), a bin gate (102), a partition plate (103), a drying chamber (104), a water catching chamber (105), a blast valve (106), a heating plate (107), a bracket (108) and a drain pipe (109); the shell (101) is of a cylindrical structure, and the bin gate (102) is arranged at the left end of the shell (101); the partition plate (103) is welded on the inner wall of the shell (101); the drying chamber (104) is arranged at the left side of the partition plate (103); the water catching chamber (105) is arranged on the right side of the partition plate (103); the air valve (106) is fixed on the left side of the partition plate (103) through bolts; the heating plates (107) are fixedly arranged in the drying chamber (104), and the brackets (108) are inserted between the heating plates (107); the drain pipe (109) is welded on the outer wall of the lower part of one end of the water capturing chamber (105) of the shell (101); the water outlet pipe of the water tank (2) is connected with the heating plate (107) through the heat exchanger (3), and the water inlet pipe of the water tank (2) is connected with the heating plate (107); the steam inlet pipe (4) is connected with the heat exchanger (3); the water catcher (5) is arranged in the water catcher chamber (105), and the water catcher (5) is connected with the refrigerating unit (6) through a pipeline; the vacuum pump (7) is connected with one end of the vacuum bin (1) close to the water catching chamber (105) through a pipeline; the defrosting device (8) is fixedly arranged on the right side of the water catcher (5); the defrosting device (8) consists of a main pipeline (801), a steam control valve (802), a compressed air control valve (803), a branch pipeline (804), a nozzle (805), a bracket (806) and an electric heating wire (807); the main pipeline (801) is arranged on the right side of the water catcher (5), and the main pipeline (801) is respectively connected with the steam inlet pipe (4) and the air compressor (9) through the steam control valve (802) and the compressed air control valve (803); one end of the branch pipeline (804) is welded and fixed on the outer wall of the rear side of the main pipeline (801); the nozzles (805) are uniformly arranged at one side of the branch pipeline (804) close to the water catcher (5); the electric heating wires (807) are wound on the outer wall of the branch pipeline (804); two ends of the bracket (806) are welded on the inner wall of the shell (101), and one end of the branch pipeline (804) is fixedly connected with the bracket (806) in an inserting mode.
2. The vacuum freeze-drying device and system for herbal food products according to claim 1, wherein: the branch pipeline (804) is of a circular tubular structure, and a plurality of positions are welded on the outer wall of the main pipeline (801) by the branch pipeline (804).
3. The vacuum freeze-drying device and system for herbal food products according to claim 1, wherein: the nozzles (805) are uniformly arranged at a plurality of positions on one side of the branch pipeline (804).
4. The vacuum freeze-drying device and system for herbal food products according to claim 1, wherein: the bracket (806) is of a rectangular plate-shaped structure, and a plurality of round holes are formed in the bracket (806).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311594857.6A CN117367041A (en) | 2023-11-27 | 2023-11-27 | Vacuum freeze-drying equipment and system for herbal food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311594857.6A CN117367041A (en) | 2023-11-27 | 2023-11-27 | Vacuum freeze-drying equipment and system for herbal food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117367041A true CN117367041A (en) | 2024-01-09 |
Family
ID=89408075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311594857.6A Withdrawn CN117367041A (en) | 2023-11-27 | 2023-11-27 | Vacuum freeze-drying equipment and system for herbal food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117367041A (en) |
-
2023
- 2023-11-27 CN CN202311594857.6A patent/CN117367041A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20240109 |