CN215766072U - Vacuum freeze dryer - Google Patents
Vacuum freeze dryer Download PDFInfo
- Publication number
- CN215766072U CN215766072U CN202121737910.XU CN202121737910U CN215766072U CN 215766072 U CN215766072 U CN 215766072U CN 202121737910 U CN202121737910 U CN 202121737910U CN 215766072 U CN215766072 U CN 215766072U
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- Prior art keywords
- vacuum
- pipe
- freeze dryer
- heating
- shelf
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 55
- 238000001704 evaporation Methods 0.000 claims description 15
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000004108 freeze drying Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 230000007774 longterm Effects 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
- 239000000126 substance Substances 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- -1 vaccines Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of driers, in particular to a vacuum freeze dryer, which comprises a box body, wherein the box body comprises a drying box, a heating system, a refrigerating system, a vacuum system and a control system, the refrigerating system comprises a condenser, a high-pressure pipeline, an expansion valve, an evaporator, a low-pressure pipeline and a compressor, the vacuum system comprises a vacuum pump, the control system comprises a control unit which is electrically connected with the heating system, the refrigerating system and the vacuum system, a shelf is placed in the drying box, a connecting port is arranged on the shelf, and the refrigerating system also comprises a cooling fan; according to the utility model, the connecting port of the shelf can be connected with the heating system and the refrigerating system, so that the shelf is heated or cooled, the drying box is prevented from being heated or cooled, and energy is saved; the shelf is heated or cooled in an external mode of heating or cooling and then inputting, so that the shelf is heated or cooled indirectly, heat is transmitted uniformly in the process, the temperature fluctuation range is small, and the product freeze drying quality is improved.
Description
Technical Field
The utility model relates to the technical field of dryers, in particular to a vacuum freeze dryer.
Background
With the vigorous development of the pharmaceutical industry in China, many pharmaceutical enterprises consider and adopt the freeze-drying process to carry out drug production; the vacuum freeze drier for medicine is important equipment for ensuring the product quality, and its equipment features must not only ensure long-term, stable and safe normal operation, but also meet the GMP requirement.
The process is a technical method for obtaining a dry article by freezing a water-containing article in advance and then sublimating the water content of the article in a vacuum state; the freeze-dried articles are easy to store for a long time, and can be restored to the state before freeze-drying and maintain the original biochemical characteristics after water is added; for heat-sensitive substances such as antibiotics, vaccines, blood products, enzyme hormones and other biological products, the freeze-drying technique is more advantageous.
The existing vacuum freeze dryer is large in size and energy consumption, and water cooling is mostly adopted as a cooling method, so that excessive water vapor in a box body is caused, the frosting is serious, and frequent manual cleaning is needed; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to overcome the drawbacks described in the background art and to achieve a vacuum freeze dryer.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a vacuum freeze dryer, includes the box, the box includes drying cabinet, heating system, refrigerating system, vacuum system and control system, refrigerating system includes condenser, high-pressure line, expansion valve, evaporimeter, low pressure line and compressor, vacuum system includes the vacuum pump, control system include with heating system, refrigerating system and vacuum system electric connection's the control unit, the symmetry is provided with the multiunit rack in the drying cabinet, the shelf has been placed on the rack, be provided with the connector of being connected with heating system and refrigerating system respectively on the shelf, refrigerating system still includes cooling blower.
Further, the evaporator is an evaporation tube.
Furthermore, a heating pipe and an evaporation pipe are arranged at the bottom of the shelf, the heating pipe and the evaporation pipe are both coiled pipes, two ends of the heating pipe are both provided with heat source connectors, and two ends of the evaporation pipe are both provided with refrigeration connectors; the heating pipe heats the shelf, and the evaporation pipe adopts Freon as an injection refrigerant so as to achieve the aim of refrigeration; the heating pipe adopts silicon oil as an input heat-carrying medium, and indirectly heats the shelf plate through a mode of firstly heating the outside and then inputting the outside, so that the moisture of the shelf plate is sublimated in a vacuum state to obtain a dry article.
Furthermore, the heating system comprises a heater, a liquid outlet end of the heater is connected with a liquid outlet pipe, a liquid return end of the heater is connected with a liquid return pipe, the liquid outlet pipe is provided with a plurality of liquid outlet branch pipes, the liquid return pipe is provided with a plurality of liquid return branch pipes, and the liquid outlet branch pipe and the liquid return branch pipes are respectively connected with the heat source connectors closest to each other; in use, the distance between adjacent shelves may be adjusted; the liquid outlet branch pipe and the liquid return branch pipe are connected with the heat source connecting port, so that the shelf is indirectly heated, the drying box is prevented from being integrally heated, and energy is saved.
Further, the liquid outlet end of the condenser is connected with a high-pressure pipeline, the high-pressure pipeline is connected with one port of an expansion valve, the other port of the expansion valve is connected with a first low-pressure pipeline, the first low-pressure pipeline is connected with an evaporator, the evaporator is connected with a liquid inlet of the compressor through a second low-pressure pipeline again through the expansion valve, and a liquid outlet of the compressor is connected with a liquid inlet end of the condenser.
Furthermore, the cooling fan is arranged on one side of the condenser, and adopts an air cooling mode to dissipate heat without water cooling, so that the cooling is quicker and more convenient.
Furthermore, a plurality of liquid inlet branch pipes are arranged on the first low-pressure pipeline, a plurality of recovery branch pipes are arranged on the second low-pressure pipeline, and the liquid inlet branch pipes and the recovery branch pipes are respectively connected with the refrigerating connectors closest to each other; the feed liquor is in charge of and is retrieved in charge of and refrigeration connector connection, makes it cool down the shelf, avoids wholly cooling down the energy saving to the drying cabinet.
Further, the side of the drying box is connected with a vacuum pipeline, and the vacuum pipeline is communicated with a vacuum pump.
The vacuum freeze dryer has the beneficial effects that:
1. according to the vacuum freeze dryer, the position of the shelf can be adjusted according to actual needs, and the connecting port of the shelf can be connected with the heating system and the refrigerating system, so that the shelf is heated or cooled, the drying box is prevented from being heated or cooled, and energy is saved.
2. According to the vacuum freeze dryer, the heating pipe and the evaporating pipe are arranged at the bottom of the shelf, the shelf is indirectly heated or cooled in a mode of firstly heating or cooling the outside and then inputting, the heat is uniformly transmitted in the process, the temperature fluctuation range is small, and therefore the freeze drying quality of products is improved.
3. The vacuum freeze dryer adopts the air cooling mode for heat dissipation, does not need water cooling, and is quicker and more convenient to cool.
Drawings
Fig. 1 is a schematic structural view of a vacuum freeze dryer of the present invention;
fig. 2 is a schematic view showing the structure of a shelf in the vacuum freeze dryer of the present invention.
In the figure: 1-box body, 2-drying box, 21-placing rack, 22-shelf, 23-heat source connecting port, 24-refrigerating connecting port, 25-heating pipe, 26-evaporating pipe, 3-heating system, 31-heater, 32-liquid outlet pipe, 33-liquid return pipe, 34-liquid outlet branch pipe, 35-liquid return branch pipe, 4-refrigerating system, 41-cooling fan, 42-condenser, 43-high-pressure pipe, 44-liquid outlet drier, 45-expansion valve, 461-first low-pressure pipe, 462-second low-pressure pipe, 47-compressor, 48-liquid inlet branch pipe, 49-recovery branch pipe, 5-vacuum system, 51-vacuum pipe, 52-vacuum pump and 6-control system.
Detailed Description
The vacuum freeze dryer of the present invention will be described in more detail by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the vacuum freeze dryer of the present embodiment has a shelf for heating or cooling, which avoids heating or cooling the drying oven and saves energy; through the outside mode of heating earlier or cooling input again to implement indirect heating or cooling to the shelf, this process heat transmission is even, and temperature fluctuation scope is little, thereby improves advantages such as product freeze-drying quality, specifically includes box 1, and box 1 includes drying cabinet 2, heating system 3, refrigerating system 4, vacuum system 5 and control system 6. The symmetry is provided with multiunit rack 21 in drying cabinet 2, shelf 22 has been placed on rack 21, shelf 22's bottom is provided with heating pipe 25 and evaporating pipe 26, heating pipe 25 and evaporating pipe 26 are the coiled pipe, heating pipe 25's both ends all are provided with heat source connector 23, heating pipe 25 heats shelf 22, heating pipe 25 adopts liquid as the heat-carrying medium of input, through the outside mode of heating earlier input again, in order to implement indirect heating to shelf 22, heat transmission is even, the temperature fluctuation scope is little, thereby improve product drying quality. The two ends of the evaporation tube 26 are both provided with a refrigeration connecting port 24; the evaporation tube 26 adopts Freon as an injection refrigerant to achieve the purpose of refrigeration; thereby sublimating the moisture thereof in a vacuum state to obtain a dried article. The heat source connection port 23 is connected to the heating system 3, and the cooling connection port 24 is connected to the cooling system 4.
Referring to fig. 1-2, the heating system 3 includes a heater 31, the heater 31 uses silicon oil as an input heat carrying medium, a liquid outlet end of the heater 31 is connected to a liquid outlet pipe 32, and the liquid outlet pipe 32 is provided with a plurality of liquid outlet branch pipes 34. A liquid return pipe 33 is connected to the liquid return end of the heater 31, a plurality of liquid return branch pipes 35 are arranged on the liquid return pipe 33, and the liquid outlet branch pipe 34 and the liquid return branch pipes 35 are respectively connected with the heat source connecting ports 23 which are closest to each other; in use, the distance between adjacent shelves 22 may be adjusted; the liquid outlet branch pipe 34 and the liquid return branch pipe 35 are connected with the heat source connecting port 23, so that the shelf 22 is indirectly heated, the whole drying box 2 is prevented from being heated, and energy is saved.
Referring to fig. 1-2, the refrigeration system 4 includes a condenser 42, a high-pressure pipe 43, an expansion valve 45, an evaporator, a low-pressure pipe, and a compressor 47, wherein the liquid outlet end of the condenser 42 is connected to the high-pressure pipe 43, the high-pressure pipe 43 is connected to one port of the expansion valve 45, the other port of the expansion valve 45 is connected to a first low-pressure pipe 461, the first low-pressure pipe 461 is connected to the evaporator, and the evaporator is the evaporation tube 26. The evaporator is again connected to the inlet of the compressor 47 via the second low-pressure line 462 via the expansion valve 45, and the outlet of the compressor 47 is connected to the inlet of the condenser 42. The refrigerating system 4 further comprises a cooling fan 41, the cooling fan 41 is arranged on one side of the condenser 42, heat dissipation is achieved in an air cooling mode, water cooling is not needed, and cooling is fast and convenient. A plurality of liquid inlet branch pipes 48 are arranged on the first low-pressure pipeline 461, a plurality of recovery branch pipes 49 are arranged on the second low-pressure pipeline 462, and the liquid inlet branch pipes 48 and the recovery branch pipes 49 are respectively connected with the refrigerating connecting ports 24 which are closest to each other; the liquid inlet branch pipe 48 and the recovery branch pipe 49 are connected with the refrigeration connector 24, so that the shelf 22 is cooled, the drying box 2 is prevented from being cooled integrally, and energy is saved.
Referring to fig. 1, the vacuum system 5 includes a vacuum pump 52, a vacuum pipeline 51 is connected to a side of the drying box 2, the vacuum pipeline 51 is communicated with the vacuum pump 52, and the vacuum pump 52 keeps the drying box 2 in a vacuum state. The control system 6 comprises a control unit, and the control unit is connected with the heating system 3, the refrigerating system 4 and the vacuum system 5 through lines, so that the temperature and the time of the heating system 3 and the refrigerating system 4 can be set, and the time of the vacuum system 5 can be set.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether indirect or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (8)
1. The utility model provides a vacuum freeze dryer, includes the box, the box includes drying cabinet, heating system, refrigerating system, vacuum system and control system, refrigerating system includes condenser, high-pressure line, expansion valve, evaporimeter, low pressure line and compressor, vacuum system includes the vacuum pump, control system include with heating system, refrigerating system and vacuum system electric connection's the control unit, its characterized in that: the drying cabinet is characterized in that a plurality of groups of placing racks are symmetrically arranged in the drying cabinet, shelves are placed on the placing racks, connectors connected with a heating system and a refrigerating system are arranged on the shelves respectively, and the refrigerating system further comprises a cooling fan.
2. The vacuum freeze dryer of claim 1, wherein: the evaporator is an evaporation tube.
3. The vacuum freeze dryer of claim 2, wherein: the heating pipe and the evaporating pipe are both coiled pipes, heat source connectors are arranged at two ends of the heating pipe, and refrigeration connectors are arranged at two ends of the evaporating pipe.
4. The vacuum freeze dryer of claim 3, wherein: the heating system comprises a heater, a liquid outlet end of the heater is connected with a liquid outlet pipe, a liquid return end of the heater is connected with a liquid return pipe, a plurality of liquid outlet branch pipes are arranged on the liquid outlet pipe, a plurality of liquid return branch pipes are arranged on the liquid return pipe, and the liquid outlet branch pipes and the liquid return branch pipes are respectively connected with heat source connectors closest to each other.
5. The vacuum freeze dryer of claim 3, wherein: the liquid outlet end of the condenser is connected with a high-pressure pipeline, the high-pressure pipeline is connected with one port of an expansion valve, the other port of the expansion valve is connected with a first low-pressure pipeline, the first low-pressure pipeline is connected with an evaporator, the evaporator is connected with a liquid inlet of the compressor through a second low-pressure pipeline again through the expansion valve, and a liquid outlet of the compressor is connected with a liquid inlet end of the condenser.
6. The vacuum freeze dryer of claim 1, wherein: the cooling fan is arranged on one side of the condenser.
7. The vacuum freeze dryer of claim 5, wherein: be provided with a plurality of feed liquor on the first low pressure pipeline and be in charge of, be provided with a plurality of recoveries on the second low pressure pipeline and be in charge of, the feed liquor is in charge of and is retrieved and be in charge of respectively with the refrigeration connector connection nearest.
8. The vacuum freeze dryer of claim 1, wherein: the side of the drying box is connected with a vacuum pipeline, and the vacuum pipeline is communicated with a vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737910.XU CN215766072U (en) | 2021-07-29 | 2021-07-29 | Vacuum freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737910.XU CN215766072U (en) | 2021-07-29 | 2021-07-29 | Vacuum freeze dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215766072U true CN215766072U (en) | 2022-02-08 |
Family
ID=80107926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121737910.XU Expired - Fee Related CN215766072U (en) | 2021-07-29 | 2021-07-29 | Vacuum freeze dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215766072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202301A (en) * | 2022-12-14 | 2023-06-02 | 绍兴迈亚塔菌检智能科技有限公司 | Efficient freeze-drying device |
| CN116972601A (en) * | 2023-09-22 | 2023-10-31 | 昆海生物技术(三亚)有限公司 | Vacuum freeze-drying device and freeze-drying method for white tomatoes |
-
2021
- 2021-07-29 CN CN202121737910.XU patent/CN215766072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202301A (en) * | 2022-12-14 | 2023-06-02 | 绍兴迈亚塔菌检智能科技有限公司 | Efficient freeze-drying device |
| CN116972601A (en) * | 2023-09-22 | 2023-10-31 | 昆海生物技术(三亚)有限公司 | Vacuum freeze-drying device and freeze-drying method for white tomatoes |
| CN116972601B (en) * | 2023-09-22 | 2023-12-08 | 昆海生物技术(三亚)有限公司 | Vacuum freeze-drying device and freeze-drying method for white tomatoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |