CN203337442U - Small-sized freeze dryer for freezing and drying few samples in laboratory - Google Patents
Small-sized freeze dryer for freezing and drying few samples in laboratory Download PDFInfo
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- CN203337442U CN203337442U CN2013202577391U CN201320257739U CN203337442U CN 203337442 U CN203337442 U CN 203337442U CN 2013202577391 U CN2013202577391 U CN 2013202577391U CN 201320257739 U CN201320257739 U CN 201320257739U CN 203337442 U CN203337442 U CN 203337442U
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Abstract
The utility model relates to a small-sized freeze dryer for freezing and drying few samples in a laboratory. The small-sized freeze dryer comprises a shell, a refrigerating unit, a vacuum pump and a cold trap, wherein the refrigerating unit is arranged in the shell; the cold trap is arranged at the upper part of the shell; the vacuum pump is communicated with the cold trap through a vacuum pipeline; the refrigerating unit comprises a compressor, a heat exchanger, an expansion valve, an evaporator and a material placement device, wherein the material placement device is mounted above the cold trap and on the shell and is communicated with the upper end of the cold trap, and the evaporator is an evaporation coil arranged in the cold trap. According to the small-sized freeze dryer, the evaporator is designed to be the evaporation coil and arranged in the cold trap, so that the cooling rate is high; the complete appliance is small in volume, low in energy consumption, stable in structure and strong in expansibility, is convenient to operate and place in the laboratory and is convenient for freezing and drying few materials in the laboratory and exploring relevant processes.
Description
Technical field
The utility model relates to a kind of freeze dryer, relates in particular to a kind of for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory.
Background technology
Freeze drying refers to water-containing materials is frozen into to solid, under the low-temp low-pressure condition, utilizes water to be directly sublimed into gaseous state without liquid state, low-temperature material is dewatered and reach drying purpose.Material after vacuum freeze drying, its physics, chemistry and biological aspect are substantially constant, structure is vesicular, has desirable instant capacity and fast rehydrating, so Freeze Drying Technique is widely used in numerous industries such as bioengineering, medical industry, food industry.
Freeze drier is the key equipment of Freeze Drying Technique, freeze drying process is the key component of Freeze Drying Technique, related experiment in freeze drying technology research is indoor, need the freeze-drying experiment of a small amount of sample, explore sample freeze-drying quality characteristic, grope sample freeze-dry process etc., as biological products (skin, cornea, blood, bone etc.), Chinese medicine (Cordyceps sinensis, the person, Chinese yam etc.), Western medicine (Amoxicillin Sodium etc.), food (sea cucumber, strawberry etc.), new material, archaeology historical relic etc.Tradition freeze-drying function consumption is large, and volume is large, is unfavorable for that laboratory equipment puts, and is unfavorable for energy-saving and emission-reduction.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, in prior art the general volume of freeze dryer equipment large, consume energy high, and need special laboratory to deposit freeze dryer equipment, cause the defect of energy dissipation.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind ofly for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, comprise housing, refrigeration unit, vacuum pump, cold-trap, described refrigeration unit is arranged in described housing; Described cold-trap is located at housing top; Described vacuum pump is communicated with described cold-trap by vacuum pipe; Described refrigeration unit has compressor, condenser, evaporator; Also comprise the material apparatus for placing, described material apparatus for placing is arranged on the top and housing of cold-trap, and is communicated with described cold-trap upper end; Described evaporator is evaporation coil, and it is arranged in described cold-trap.
The beneficial effects of the utility model are: due to evaporator is re-established as to evaporation coil, and be arranged in described cold-trap, cooling rate is fast, machine volume is little, energy consumption is low, Stability Analysis of Structures, easy to operate, extendability is strong, the experiment indoor placement is convenient, is convenient to a small amount of material freeze-drying in laboratory and related process and gropes.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described evaporation coil is spiral evaporation coil.Can be for being made by stainless steel or the metal material processing such as copper.
Adopt the beneficial effect of above-mentioned further scheme to be: by compressor, condenser and evaporation coil, cold-trap to be freezed, the gas in cold-trap and material apparatus for placing is extracted in the bottom that vacuum pump is communicated with the cold-trap sidewall by vacuum pipe, realize the freeze drying function, because evaporation coil adopts the sped structure refrigerating speed fast, required time is shorter.
Further, on described vacuum pipe, the vacuum meter measuring device is installed.
Adopt the beneficial effect of above-mentioned further scheme to be: measurement of vacuum in real time.
Further, described material apparatus for placing comprises drying hood, dry materials frame, and the Connection Block of the described housing of described dry materials frame upper end is fixed on described housing, described drying hood cover described dry materials frame and with described housing upper end fixing seal.
Further, pre-freeze device or dry temperature regulating device can be installed in described drying hood.
Adopt the beneficial effect of above-mentioned further scheme to be: the pre-freeze device can be realized the pre-freeze of common loose unpacked material, the bottled material in XiLin, the bottled material of ampere, centrifuge tube etc. in cold-trap, improves the convenience of pre-freeze; Dry temperature regulating device can pass through external controller, forms closed-loop control system, gathers and controls temperature of charge, is convenient to freeze-dry process and gropes.
Further, described dry materials frame can be T-shaped framed bent.
Adopt the beneficial effect of above-mentioned further scheme to be: the dry materials frame adopts T-shaped bent structure can realize the small-sized freeze-drying bottle encapsulation preservation of the microorganism fungus kinds such as bacterium, fungi.
Further, described drying hood is double-layer structure, and internal layer is transparent material, and skin is opaque material or trnaslucent materials, and the two is separately made.Described internal layer also can be used separately.
Adopt the beneficial effect of above-mentioned further scheme to be: internal layer is made as transparent materials such as organic glass, while observing material like this, can take off skin, is convenient to observe freeze-drying process.Skin can select trnaslucent materials or opaque material to avoid the radiation of ambient light to material in dry run, reduces the impact of extraneous factor on temperature of charge.
Further, described material apparatus for placing is the cillin bottle pressing device.
Adopt the beneficial effect of above-mentioned further scheme to be: can realize after the freeze-dried end of the bottled material in XiLin vacuum state lower seal again, be beneficial to material and preserve.
The accompanying drawing explanation
Fig. 1 is that the utility model is a kind of for a small amount of cryodesiccated small-sized freeze dryer structural representation of sample in laboratory.
In accompanying drawing, the list of parts of each label representative is as follows:
1, material apparatus for placing, 101, drying hood, 102, the dry materials frame, 2, refrigeration unit, 201, compressor, 202, condenser, 203, evaporator, 3, cold-trap, 4, housing, 5, electric control gear, 6, vacuum pump, 7, vacuum pipe, 8, the vacuum meter measuring device, 9, Connection Block.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, the utility model is a kind of comprises housing 4, refrigeration unit 2, vacuum pump 6, cold-trap 3 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, and described refrigeration unit 2 is arranged in described housing 4; Described cold-trap 3 is located at housing 4 tops; Described vacuum pump 6 is communicated with described cold-trap 3 by vacuum pipe 7, on described vacuum pipe 7, vacuum meter measuring device 8 is installed.
Described refrigeration unit 2 has compressor 201, condenser 202, evaporator 203; Also comprise material apparatus for placing 1, described material apparatus for placing 1 is arranged on the top and housing 4 of cold-trap 3, and is communicated with described cold-trap 3 upper ends; Described evaporator 203 is evaporation coil, and it is arranged in described cold-trap 3.Described evaporation coil is spiral evaporation coil; It adopts by stainless steel and is processed into.Refrigeration unit and vacuum pump etc. all can be controlled by electric control gear 5.
Described material apparatus for placing 1 comprises drying hood 101, dry materials frame 102, the Connection Block 9 of the described housing of described dry materials frame 102 4 upper ends is fixed on described housing 4, described drying hood 101 cover described dry materials frame 102 and with described housing 4 upper end fixing seals; Described dry materials frame 102 is T-shaped framed bent.
Described drying hood 101 is double-layer structure, and internal layer is transparent material, and skin is opaque material or trnaslucent materials, and the two is separately made.The transparent materials such as internal layer organic glass are made, and can take off skin while observing material like this, are convenient to observe freeze-drying process; Skin can select trnaslucent materials or opaque material to avoid the radiation of ambient light to material in dry run, reduces the impact of extraneous factor on temperature of charge.
Described material apparatus for placing 1 also can be replaced by the cillin bottle pressing device; Can realize after the freeze-dried end of the bottled material in XiLin vacuum state lower seal again, be beneficial to material and preserve.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, comprises housing, refrigeration unit, vacuum pump, cold-trap, and described refrigeration unit is arranged in described housing; Described cold-trap is located at housing top; Described vacuum pump is communicated with described cold-trap by vacuum pipe; Described refrigeration unit has compressor, condenser, evaporator; It is characterized in that, also comprise the material apparatus for placing, described material apparatus for placing is arranged on the top and housing of cold-trap, and is communicated with described cold-trap upper end; Described evaporator is evaporation coil, and described evaporator is arranged on described cold-trap inside.
2. a kind ofly according to claim 1 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, described evaporation coil is spiral evaporation coil.
3. a kind ofly according to claim 1 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, the vacuum meter measuring device is installed on described vacuum pipe.
4. described a kind of for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory according to the claims 1 to 3 any one, it is characterized in that, described material apparatus for placing comprises drying hood, dry materials frame, the Connection Block of the described housing of described dry materials frame upper end is fixed on described housing, described drying hood cover described dry materials frame and with described housing upper end fixing seal.
5. a kind ofly according to claim 4 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, pre-freeze device or dry temperature regulating device are installed in described drying hood.
6. a kind ofly according to claim 4 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, described dry materials frame is T-shaped framed bent.
7. a kind ofly according to claim 4 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, described drying hood is double-layer structure, and internal layer is transparent material, and skin is opaque material or trnaslucent materials, and the two is separately made.
8. a kind ofly according to claim 1 for a small amount of cryodesiccated small-sized freeze dryer of sample in laboratory, it is characterized in that, described material apparatus for placing is the cillin bottle pressing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202577391U CN203337442U (en) | 2013-05-13 | 2013-05-13 | Small-sized freeze dryer for freezing and drying few samples in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202577391U CN203337442U (en) | 2013-05-13 | 2013-05-13 | Small-sized freeze dryer for freezing and drying few samples in laboratory |
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| Publication Number | Publication Date |
|---|---|
| CN203337442U true CN203337442U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202577391U Expired - Fee Related CN203337442U (en) | 2013-05-13 | 2013-05-13 | Small-sized freeze dryer for freezing and drying few samples in laboratory |
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| CN (1) | CN203337442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357879A (en) * | 2021-04-30 | 2021-09-07 | 杭州富睿捷科技有限公司 | Freeze-drying equipment |
-
2013
- 2013-05-13 CN CN2013202577391U patent/CN203337442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357879A (en) * | 2021-04-30 | 2021-09-07 | 杭州富睿捷科技有限公司 | Freeze-drying equipment |
| CN113357879B (en) * | 2021-04-30 | 2023-10-10 | 杭州富睿捷科技有限公司 | Freeze-drying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |