CN214892197U - Freeze dryer with multipoint temperature detection function - Google Patents
Freeze dryer with multipoint temperature detection function Download PDFInfo
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- CN214892197U CN214892197U CN202120244382.8U CN202120244382U CN214892197U CN 214892197 U CN214892197 U CN 214892197U CN 202120244382 U CN202120244382 U CN 202120244382U CN 214892197 U CN214892197 U CN 214892197U
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Abstract
The utility model relates to the technical field of freeze drying equipment, in particular to a freeze dryer with multipoint temperature detection, which comprises a freeze drying bin, a motor bin and an equipment bin; the motor bin and the equipment bin are respectively arranged at the lower part and the upper part of the freeze-drying bin; a first refrigerating system and a second refrigerating system are arranged in the freeze-drying bin and the equipment bin; a motor is arranged in the motor bin, a transmission rod is arranged at the output end of the motor and penetrates through the bottom surface of the freeze-drying bin, and a plurality of rotary tables are fixedly arranged on the transmission rod; the device solves the problems that the traditional freeze dryer is uneven in freeze-dried products and the efficiency of the freeze dryer is influenced by the formation of an ice layer at a cold source.
Description
Technical Field
The utility model relates to a freeze drying equipment technical field specifically relates to a freeze dryer with multiple spot temperature detects.
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 CN201521123304.3 discloses a freeze dryer of active factor freeze-drying piece is exclusively used in, including a freeze dryer box, install the guard gate on this box, freeze dryer box connects cold-trap circulation system, cryogenic heat exchanger is connected respectively with the freeze dryer box to its cold-trap circulation system, this cryogenic heat exchanger connects vapour and liquid separator, liquid nitrogen storage tank is connected to this vapour and liquid separator, install ultraviolet sterilizer in the inside top of freeze dryer box, this freeze dryer simple structure, design scientific and reasonable, it is convenient to maintain the clearance, it is effectual to disinfect, safe and reliable more.
Current freeze dryer adopts single cold source refrigerating system usually, and this kind of setting can lead to the inside temperature distribution in freeze-drying storehouse inhomogeneous, and then leads to inconsistent by the product dryness fraction of freeze-drying, influences the quality of product, and single cold source's freeze dryer is because vapor receives cold and forms the ice sheet in cold source department, and the heat conductivility of ice is relatively poor, influences the availability factor of freeze dryer, consequently, it is necessary to develop one kind and enables the product freeze-drying evenly, effectively reduces the freeze dryer of cold source department ice sheet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a freeze dryer with multiple spot temperature detects has solved the problem that traditional freeze dryer freeze-dried product is inhomogeneous, forms ice sheet influence freeze dryer efficiency in cold source department.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a freeze dryer with multipoint temperature detection, which comprises a freeze drying bin, a motor bin and an equipment bin; the motor bin and the equipment bin are respectively arranged at the lower part and the upper part of the freeze-drying bin; a first refrigerating system and a second refrigerating system are arranged in the freeze-drying bin and the equipment bin; a plurality of partition plates are arranged in the freeze-drying bin, a motor is arranged in the motor bin, a transmission rod is arranged at the output end of the motor, the transmission rod penetrates through the bottom surface of the freeze-drying bin and the partition plates, and a plurality of rotary discs are fixedly arranged on the transmission rod; during operation, the motor drives a plurality of turntables on the transmission rod to rotate at a constant speed, so that the freeze-drying environment of products on the turntables is kept consistent, and the products are uniformly freeze-dried.
Further, the baffle comprises the zone of heating on upper portion, the copper coil pipe in middle of and the bottom plate of lower part, the zone of heating cooperates with first refrigerating system for the temperature regulation of freeze dryer is more nimble, second refrigerating system's refrigerating temperature is less than first refrigerating system's refrigerating temperature, through setting up dual refrigerating system, makes the vapor in the freeze-drying storehouse condense in second refrigerating system department, has guaranteed first refrigerating system's normal work, has improved the freeze-drying efficiency of product.
Further, inside first compressor, first condenser and the first capillary of being provided with in equipment storehouse, first refrigerating system is including the first compressor, first condenser, first capillary and the copper coil pipe that communicate in proper order, the copper coil pipe plays the effect of evaporimeter among the first refrigerating system.
Further, the inside second compressor, second condenser and the second capillary that still is provided with in equipment storehouse, be provided with the cold trap in the freeze-drying storehouse, second refrigerating system is including the second compressor, second condenser, second capillary and the cold trap that communicate in proper order, the cold trap plays the effect of the evaporimeter among the second refrigerating system.
Furthermore, the quantity of baffle is three, and copper coil pipe wherein links to each other end to end in proper order, the quantity of carousel is three, sets up the top at three baffle respectively.
Further, the cold trap is arranged below the three partition plates.
Further, the inner wall in freeze-drying storehouse is provided with three sample temperature sensor, be equipped with three baffle temperature sensor in the baffle, the top of cold trap is equipped with cold trap temperature sensor, has made things convenient for operating personnel to observe the distribution condition of temperature in the freeze-drying storehouse.
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 multi-point temperature detection has the advantages that the motor is arranged to drive the plurality of turntables on the transmission rod to rotate at a constant speed, so that the freeze drying environment of products on the turntables is kept consistent, and the products are uniformly freeze-dried; through setting up dual refrigerating system for the vapor in the freeze-drying storehouse condenses in second refrigerating system department, has guaranteed first refrigerating system's normal work, has improved the freeze-drying efficiency of 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 a device bin 1, a freeze-drying bin 2, a motor bin 3, a second capillary tube 4, a second condenser 5, a second compressor 6, a first capillary tube 7, a first condenser 8, a first compressor 9, a sample temperature sensor 10, a heating layer 11, a copper coil 12, a bottom plate 13, a rotating disc 14, a transmission rod 15, a motor 16, a cold trap 17, an air valve 18, a vacuum valve 19, a partition plate 20, a first refrigerating system 21, a second refrigerating system 22, a partition plate temperature sensor 23 and a cold trap temperature sensor 24.
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 multipoint temperature detection according to the present embodiment includes a freeze drying chamber 2, a motor chamber 3, and an equipment chamber 1, which are integrally arranged; the motor bin 3 and the equipment bin 1 are respectively arranged at the lower part and the upper part of the freeze-drying bin 2; a first refrigerating system 21 and a second refrigerating system 22 are arranged in the freeze-drying bin 2 and the equipment bin 1; a plurality of partition plates 20 are arranged in the freeze-drying bin 2, a motor 16 is arranged in the motor bin 3, a transmission rod 15 is arranged at the output end of the motor 16, the transmission rod 15 penetrates through the bottom surface of the freeze-drying bin 2 and the partition plates 20, and a plurality of rotary discs 14 are fixedly arranged on the transmission rod 15; when the freeze-drying device works, the motor 16 drives the plurality of rotary discs 14 on the transmission rod 15 to rotate at a constant speed, so that the freeze-drying environments of products on the rotary discs 14 are kept consistent, and the products are further freeze-dried uniformly.
Baffle 20 comprises zone of heating 11, the middle copper coil pipe 12 on upper portion and bottom plate 13 of lower part, zone of heating 11 and the cooperation of first refrigerating system 21 for the thermoregulation of freeze dryer is more nimble, second refrigerating system 22's refrigerating temperature is less than first refrigerating system 21's refrigerating temperature, through setting up dual refrigerating system, makes the vapor in freeze-drying storehouse 2 condense in second refrigerating system 22 department, has guaranteed first refrigerating system 21's normal work, has improved the freeze-drying efficiency of product.
Inside first compressor 9, first condenser 8 and the first capillary 7 of being provided with of equipment storehouse 1, first refrigerating system 21 is including the first compressor 9, first condenser 8, first capillary 7 and the copper coil pipe 12 that communicate in proper order, copper coil pipe 12 plays the effect of evaporimeter in the first refrigerating system 21.
The inside second compressor 6, second condenser 5 and the second capillary 4 that still is provided with of equipment storehouse 1, be provided with cold trap 17 in the freeze-drying storehouse 2, second refrigerating system 22 is including the second compressor 6, second condenser 5, second capillary 4 and the cold trap 17 that communicate in proper order, cold trap 17 plays the effect of the evaporimeter in the second refrigerating system 22.
The number of the partition plates 20 is three, the copper coil pipes 12 are sequentially connected end to end, and the number of the rotary discs 14 is three and is respectively arranged above the three partition plates 20.
The cold trap 17 is disposed below the three baffles 20.
The inner wall of freeze-drying storehouse 2 is provided with three sample temperature sensor 10, be equipped with three baffle temperature sensor 23 in the baffle 20, the top of cold trap 17 is equipped with cold trap temperature sensor 24, has made things convenient for operating personnel to observe the distribution condition of temperature in freeze-drying storehouse 2.
The freeze-drying chamber 2 is provided with a vacuum valve 19 and an air valve 18, the vacuum valve 19 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 18 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 17.
The utility model discloses a concrete implementation: during freeze-drying, the product is uniformly placed in the rotary table 14, the starting motor 16 drives the rotary table 14 on the transmission rod 15 to rotate at a constant speed, then the first refrigerating system 21 and the second refrigerating system 22 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 vacuum pump is turned off, the air pressure in the freeze-drying bin 2 is increased, and the water vapor in the freeze-drying bin 2 is sublimated on the cold trap 17 to finish the freeze-drying.
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 multipoint temperature detection comprises a freeze drying bin, a motor bin and an equipment bin; the motor bin and the equipment bin are respectively arranged at the lower part and the upper part of the freeze-drying 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; the freeze-drying device is characterized in that a motor is arranged in the motor bin, a transmission rod is arranged at the output end of the motor and penetrates through the bottom surface of the freeze-drying bin, and a plurality of rotary discs are fixedly arranged on the transmission rod.
2. The lyophilizer with multipoint temperature detection according to claim 1, characterized in that: be provided with a plurality of baffle in the freeze-drying storehouse, the baffle comprises the zone of heating on upper portion, the copper coil pipe in the middle of and the bottom plate of lower part, the transfer line runs through a plurality of baffle.
3. A freeze dryer with multipoint temperature sensing according to claim 2, 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.
4. A freeze dryer with multipoint temperature detection according to claim 3, characterized in that: the inside second compressor, second condenser and the second capillary that still is provided with in the equipment storehouse, be provided with the cold trap in the freeze-drying storehouse, second refrigerating system is including the second compressor, second condenser, second capillary and the cold trap that communicate in proper order, second refrigerating system's refrigerating temperature is less than first refrigerating system's refrigerating temperature.
5. A freeze dryer with multipoint temperature detection according to any of claims 2-4, characterized in that: the quantity of baffle is three, and copper coil pipe wherein links to each other end to end in proper order, the quantity of carousel is three, sets up the top at three baffle respectively.
6. The lyophilizer with multipoint temperature detection according to claim 4, characterized in that: the cold trap is arranged below the three partition plates.
7. A freeze dryer with multipoint temperature detection according to claim 4 or 6, characterized in that: the inner wall of the freeze-drying bin is provided with three sample temperature sensors, three partition plate temperature sensors are arranged in the partition plates, and a cold trap temperature sensor is arranged above the cold trap.
8. The lyophilizer with multipoint temperature detection according to claim 7, characterized in that: the freeze-drying bin is provided with a vacuum valve and an air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120244382.8U CN214892197U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with multipoint temperature detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120244382.8U CN214892197U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with multipoint temperature detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214892197U true CN214892197U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120244382.8U Active CN214892197U (en) | 2021-01-28 | 2021-01-28 | Freeze dryer with multipoint temperature detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214892197U (en) |
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2021
- 2021-01-28 CN CN202120244382.8U patent/CN214892197U/en active Active
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