CN214665608U - Freeze dryer with double refrigeration systems - Google Patents
Freeze dryer with double refrigeration systems Download PDFInfo
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- CN214665608U CN214665608U CN202120244367.3U CN202120244367U CN214665608U CN 214665608 U CN214665608 U CN 214665608U CN 202120244367 U CN202120244367 U CN 202120244367U CN 214665608 U CN214665608 U CN 214665608U
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Abstract
The utility model relates to the technical field of freeze drying equipment, in particular to a freeze dryer with double refrigeration systems, which comprises a freeze drying bin and an equipment bin; a first refrigerating system and a second refrigerating system are arranged in the freeze-drying bin and the equipment bin, and the refrigerating temperature of the second refrigerating system is lower than that of the first refrigerating system; the freeze-drying bin is internally provided with a cold trap and a plurality of clapboards, and each clapboard consists of an upper heating layer, a middle copper coil and a lower bottom plate; the inner wall of the freeze-drying bin is provided with a pair of sliding grooves, and pulse lamps are arranged on the sliding grooves in a sliding mode; the device solves the problems that the efficiency is reduced, the temperature is difficult to rise and fall and bacteria are remained when an ice layer is formed on the surface of a cold source of the traditional freeze dryer.
Description
Technical Field
The utility model relates to a freeze drying equipment technical field specifically relates to a freeze dryer with two refrigerating system.
Background
The freeze dryer is originated from vacuum freeze drying technology in the 20 th of 19 th century, and enters the 21 st century, the vacuum freeze drying technology is widely applied in the fields except the fields of medicines, biological products, foods, blood products and active substances, and freeze drying is a technology for drying by utilizing the sublimation principle, and is a process of quickly freezing a dried substance at a low temperature and then directly sublimating frozen water molecules into water vapor to escape in a proper vacuum environment.
Chinese patent CN201820691482.3 discloses a bacterin freeze dryer, including the installation base, the top fixedly connected with adjustment mechanism of installation base, adjustment mechanism's top fixedly connected with support column, the surperficial swing joint of support column has the board of accepting, the top that the surface of support column is located the board of accepting rotates and is connected with the go-between, the fixed surface of go-between is connected with fixed stop, the top of accepting the board is provided with bacterin freeze dryer body, fixed stop and this body contact of bacterin freeze dryer. This bacterin freeze dryer uses through the cooperation of regulating body and buffer spring and can make to accept that the better more stable of board places equipment fixed, uses through the cooperation of movable plate and limiting plate and can guarantee to remove more convenient while protection buffer spring, can prevent to accept the too fast equipment emergence of messenger of board whereabouts and rock through spacing seat and the use of accepting the board, influences equipment.
The existing freeze dryer usually adopts a single cold source method, the freeze dryer with the single cold source can not flexibly adjust the internal temperature due to only freezing, so that the freezing efficiency is reduced, and due to the adoption of the single cold source, water vapor in a freeze drying bin can form an ice layer on the surface of the cold source, and the heat conductivity of ice is poor, so that the efficiency of the freeze dryer is influenced; the freeze dryer can be used for a long time to nourish bacteria in a freeze drying bin, because the freezing resistance of the bacteria is difficult to kill the bacteria at low temperature, the bacteria cannot be completely removed in daily cleaning, and the bacteria are easy to be mixed into the freeze-dried product to influence the quality of the product, so that the development of the freeze dryer which can remove an ice layer on the surface of a cold source, flexibly adjust the temperature and effectively sterilize the freeze dryer is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a freeze dryer with two refrigerating system has solved traditional freeze dryer cold source surface and has formed ice sheet reduce efficiency, the difficult problem of remaining bacterium of elevating temperature.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a freeze dryer with double refrigeration systems, which comprises a freeze drying bin and an equipment bin; the freeze-drying bin and the equipment bin are internally provided with a first refrigerating system and a second refrigerating system, the refrigerating temperature of the second refrigerating system is lower than that of the first refrigerating system, and the double refrigerating systems are arranged, so that water vapor in the freeze-drying bin is condensed at the second refrigerating system, the normal work of the first refrigerating system is ensured, and the freeze-drying efficiency of the product is improved; the freeze-drying device is characterized in that a cold trap and a plurality of partition plates are arranged in the freeze-drying bin, each partition plate consists of an upper heating layer, a middle copper coil and a lower bottom plate, and the heating layers are matched with a first refrigerating system, so that the temperature of the freeze-drying machine can be adjusted more flexibly; the inner wall in freeze-drying storehouse is provided with a pair of spout, it is provided with the pulse lamp to slide on a pair of spout, the pulse lamp can release high energy with the light radiation form in extreme time, the light energy that produces high peak power from this kills the bacterium, and pulse highlight can not produce harmful accessory substance when shining the material, make keep an aseptic environment in the freeze-drying storehouse, influence the problem of product quality because of sneaking into the bacterium when having avoided freeze-dried product, through sliding the setting of pulse lamp on the spout, make the pulse lamp light energy pertinence kill the place of piling up the bacterium easily to freeze-drying storehouse inside.
Further, inside first compressor, first condenser and the first capillary of being provided with of equipment storehouse, first refrigerating system is including the first compressor, first condenser, first capillary and the copper coil pipe that communicate in proper order.
Further, the inside second compressor, second condenser and the second capillary that still is provided with of equipment storehouse, second refrigerating system is including the second compressor, second condenser, second capillary and the cold trap that communicate in proper order.
Furthermore, the number of the partition plates is three, and the copper coil pipes are sequentially connected end to end.
Further, the cold trap is arranged below the three partition plates.
Further, the sliding groove is parallel to the partition plate, and the number of the pulse lamps is two.
Further, the inner wall of freeze-drying storehouse is provided with temperature sensor to operating personnel observes freeze-drying storehouse internal temperature.
Furthermore, the freeze-drying bin is provided with a vacuum valve and an air valve, the vacuum valve is connected with a vacuum pump and provides a vacuum environment for the freeze-drying bin so as to sublimate ice crystals condensed by cooling in the product, and the air valve is used for increasing the air pressure in the freeze-drying bin after the ice crystals in the product are sublimated so as to facilitate the water vapor to be condensed and sublimated into an ice layer at the cold trap.
The technical effects of the utility model:
compared with the prior art, the freeze dryer with the double refrigeration systems has the advantages that the double refrigeration systems are arranged, so that water vapor in the freeze drying bin is condensed at the second refrigeration system, the normal work of the first refrigeration system is ensured, and the freeze drying efficiency of a product is improved; the heating layer is matched with the first refrigerating system, so that the temperature of the freeze dryer is adjusted more flexibly, and the temperature is controlled more accurately; keep an aseptic environment in making freeze-drying storehouse through setting up the pulse lamp, influence the problem of product quality because of sneaking into the bacterium when having avoided freeze-dried product.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a schematic diagram of the refrigerating system of the present invention.
Wherein: the device comprises an equipment bin 1, a freeze-drying bin 2, a first compressor 3, a first condenser 4, a first capillary tube 5, a second compressor 6, a second condenser 7, a second capillary tube 8, a vacuum valve 9, an air valve 10, a heating layer 11, a copper coil 12, a bottom plate 13, a temperature sensor 14, a pulse lamp 15, a cold trap 16, a partition plate 17, a first refrigerating system 18, a second refrigerating system 19 and a chute 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the accompanying drawings of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention.
Example (b):
as shown in fig. 1 and 2, the freeze dryer with dual refrigeration systems according to the present embodiment includes a freeze drying chamber 2 and an equipment chamber 1; first refrigerating system 18 and second refrigerating system 19 are provided with in freeze-drying storehouse 2 and the equipment storehouse 1, the refrigeration temperature of second refrigerating system 19 is less than the refrigeration temperature of first refrigerating system 18, through setting up dual refrigerating system for the vapor in freeze-drying storehouse 2 condenses in second refrigerating system 19 department, has guaranteed the normal work of first refrigerating system 18, has improved the freeze-drying efficiency of product.
Be provided with cold trap 16 and a plurality of baffle 17 in freeze-drying storehouse 2, baffle 17 comprises zone of heating 11, the copper coil pipe 12 in the middle of upper portion and bottom plate 13 of lower part, zone of heating 11 and the cooperation of first refrigerating system 18 for freeze-dryer's temperature regulation is more nimble.
The inner wall of freeze-drying storehouse 2 is provided with a pair of spout 20, the slip is provided with pulse lamp 15 on a pair of spout 20, pulse lamp 15 can release high energy with the light radiation form in extreme time, the light energy that produces high peak power from this kills the bacterium, and pulse highlight can not produce harmful accessory substance when shining the material, make keep a sterile environment in freeze-drying storehouse 2, influence the problem of product quality because of sneaking into the bacterium when having avoided freeze-dried product, through sliding pulse lamp 15 and setting up on spout 20, make pulse lamp light energy pertinence kill the place of piling up the bacterium easily inside freeze-drying storehouse 2.
Inside first compressor 3, first condenser 4 and the first capillary 5 of being provided with of equipment storehouse 1, first refrigerating system 18 is including the first compressor 3, first condenser 4, first capillary 5 and the copper coil pipe 12 that communicate in proper order.
The inside second compressor 6, second condenser 7 and second capillary 8 that still is provided with of equipment storehouse 1, second refrigerating system 19 is including the second compressor 6, second condenser 7, second capillary 8 and the cold trap 16 that communicate in proper order.
The number of the partition boards 17 is three, wherein the copper coil pipes 12 are connected end to end in sequence.
The cold trap 16 is arranged below the three baffles 17.
The chute 20 is parallel to the partition 17, and the number of the pulse lamps 15 is two.
The inner wall of the freeze-drying chamber 2 is provided with a temperature sensor 14 so that an operator can observe the temperature in the freeze-drying chamber 2.
The freeze-drying chamber 2 is provided with a vacuum valve 9 and an air valve 10, the vacuum valve 9 is connected with a vacuum pump to provide a vacuum environment for the freeze-drying chamber 2 so as to sublimate ice crystals condensed by cooling in the product, and the air valve 10 is used for increasing the air pressure in the freeze-drying chamber 2 after the ice crystals in the product are sublimated so as to facilitate the water vapor to be condensed and sublimated into an ice layer at the cold trap 16.
The utility model discloses a concrete implementation: when the freeze-drying operation is carried out, firstly, the pulse lamp 15 is started to sterilize the freeze-drying bin 2, after the sterilization is finished, the pulse lamp 15 is closed, the product is placed on the partition plate 17, the first refrigerating system 18 and the second refrigerating system 19 are started, liquid water in the product is cooled and solidified into ice crystals, then, the vacuum pump is started, the ice crystals are sublimated into water vapor under the vacuum condition, the air valve 10 is opened, and the water vapor in the freeze-drying bin 2 is condensed and sublimated into the cold trap 16, so that the product is taken out, and the freeze-drying operation is finished.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A freeze dryer with double refrigeration systems comprises a freeze drying bin and an equipment bin; the method is characterized in that: a first refrigerating system and a second refrigerating system are arranged in the freeze-drying bin and the equipment bin, and the refrigerating temperature of the second refrigerating system is lower than that of the first refrigerating system; the freeze-drying bin is internally provided with a cold trap and a plurality of clapboards, and each clapboard consists of an upper heating layer, a middle copper coil and a lower bottom plate; the inner wall in freeze-drying storehouse is provided with a pair of spout, the slip is provided with the pulse lamp on a pair of spout, the spout is on a parallel with the baffle.
2. A freeze dryer having a dual refrigeration system as claimed in claim 1, wherein: the inside first compressor, first condenser and the first capillary that is provided with of equipment storehouse, first refrigerating system is including the first compressor, first condenser, first capillary and the copper coil pipe that communicate in proper order.
3. A freeze dryer having a dual refrigeration system as claimed in claim 2, wherein: the inside second compressor, second condenser and the second capillary that still is provided with of equipment storehouse, second refrigerating system is including the second compressor, second condenser, second capillary and the cold trap that communicate in proper order.
4. A freeze dryer with dual refrigeration systems as claimed in any one of claims 1 to 3, wherein: the number of the partition plates is three, and the copper coil pipes are sequentially connected end to end.
5. A freeze dryer with dual refrigeration systems as claimed in claim 4, wherein: the cold trap is arranged below the three partition plates.
6. A freeze dryer having a dual refrigeration system as claimed in claim 5, wherein: the number of the pulse lamps is two.
7. A freeze dryer with dual refrigeration systems as claimed in claim 1 or 2 or 3 or 5 or 6, wherein: and a temperature sensor is arranged on the inner wall of the freeze-drying bin.
8. A freeze dryer having a dual refrigeration system as claimed in claim 7, wherein: the freeze-drying bin is provided with a vacuum valve and an air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120244367.3U CN214665608U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with double refrigeration systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120244367.3U CN214665608U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with double refrigeration systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214665608U true CN214665608U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120244367.3U Active CN214665608U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with double refrigeration systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214665608U (en) |
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2021
- 2021-01-28 CN CN202120244367.3U patent/CN214665608U/en active Active
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