CN209326203U - Multifunctional vacuum freeze drier - Google Patents

Multifunctional vacuum freeze drier Download PDF

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Publication number
CN209326203U
CN209326203U CN201821959335.6U CN201821959335U CN209326203U CN 209326203 U CN209326203 U CN 209326203U CN 201821959335 U CN201821959335 U CN 201821959335U CN 209326203 U CN209326203 U CN 209326203U
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China
Prior art keywords
freeze
cabin
drying
vacuum
tank
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Expired - Fee Related
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CN201821959335.6U
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Chinese (zh)
Inventor
张宗营
邹琦
于蕾
王楠
陈学森
彭正娥
胡甲飞
鲁墨森
张天亮
冯恬
李翠霞
毛志泉
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Shandong Agricultural University
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Shandong Agricultural University
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Priority to CN201821959335.6U priority Critical patent/CN209326203U/en
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Publication of CN209326203U publication Critical patent/CN209326203U/en
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Abstract

The utility model discloses a kind of multifunctional vacuum freeze driers, it includes vacuum freeze drying tank, heating device, vacuum evacuation device, refrigeration unit and control system;Vacuum freeze drying tank includes and is horizontally placed at the intracorporal inner tank body of outer tank, and inner tank body includes freeze-drying cabin, intermediate cabin and outer cabin, and intermediate cabin is placed on the outside of freeze-drying cabin, and the space between two is connected to by pipeline with refrigeration unit;Outer cabin is nested in the outside of intermediate cabin, and insulating is arranged in space between the two;The liquid nitrogen interface being connected to inside freeze-drying cabin is set on vacuum freeze drying tank;It is placed with material frame in freeze-drying cabin, material disc is placed on material frame, material pan bottom is equipped with heating tube and refrigerator pipes;The connection of the inlet and outlet of heating device and heating tube;The connection of the inlet and outlet of refrigeration unit and refrigerator pipes;It is connected in vacuum evacuation device and freeze-drying cabin;Control system is used to control the operation of heating device, vacuum evacuation device and refrigeration unit.

Description

Multifunctional vacuum freeze drier
Technical field
The utility model relates to a kind of multifunctional vacuum freeze driers, belong to refrigerator class technical field.
Background technique
The vacuum freeze drier for food of existing construction, mainly by large-scale main drying, be equipped with large-scale refrigeration machine, The composition such as condenser, vacuum pump and control system, structure is complicated for existing commercially available freeze dryer, and cost is high, and manipulation request is high, and not It is adapted to Multi-varieties and Small-batch Production, test and small-sized production bad adaptability.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of multifunctional vacuum freeze drier, the drying machines Liquid nitrogen fast-refrigerating and refrigeration unit are persistently freezed and combined, product effect can be greatly improved, improves product quality, Reduce energy consumption.
To achieve the above object, the utility model use following technical scheme, a kind of multifunctional vacuum freeze drier, Be characterized in that: it includes vacuum freeze drying tank, heating device, vacuum evacuation device, refrigeration unit and control system;
The vacuum freeze drying tank includes outer tank body and inner tank body, and the inner tank body is horizontally placed in the outer tank body Portion is respectively arranged with cover in the outer tank body at the inner tank body both ends;The inner tank body includes freeze-drying cabin, centre Cabin and outer cabin, the freeze-drying cabin are in hollow cylindrical structure, and the intermediate cabin is placed on the outer of the freeze-drying cabin Portion, the space between the freeze-drying cabin and intermediate cabin are connected to by pipeline with the refrigeration unit, and the inner tank body is formed External refrigeration evaporation layer;The outer cabin is nested between the outside of the intermediate cabin, the intermediate cabin and outer cabin Space in be arranged insulating;
The liquid nitrogen interface being connected to inside the freeze-drying cabin, the liquid nitrogen interface are set on the vacuum freeze drying tank With external liquid nitrogen feedway;
It is placed with material frame in the freeze-drying cabin, material disc, the material pan bottom paving are placed on the material frame Equipped with heating tube and refrigerator pipes;
The heating device is connect with the inlet and outlet of the heating tube, forms the intracorporal heating circuit in the freeze-drying cabin;Institute It states refrigeration unit to connect with the inlet and outlet of the refrigerator pipes, forms the intracorporal refrigerating circuit in the freeze-drying cabin;The vacuum means It sets and is connected to in the freeze-drying cabin, keep vacuum condition in the freeze-drying cabin for making;
Control system is used to control the operation of the heating device, vacuum evacuation device and refrigeration unit.
The heating device includes antifreeze liquid storage tank, and the antifreeze liquid storage tank passes through pipeline and the intracorporal institute in freeze-drying cabin The inlet and outlet connection of heating tube is stated, circulating pump is set on the pipeline.
The vacuum evacuation device includes vacuum pump and condensation water vessel, and the vacuum pump is arranged in the vacuum freeze drying The outside of tank, the vacuum pump are connected to by the condensation water vessel with the freeze-drying cabin, and the refrigeration unit passes through pipeline It is connect with the condensation water vessel.
The vacuum evacuation device further includes cold water system, and the cold water system includes water tank, the top of the water tank Spray cooler is set, and the intake-outlet of the vacuum pump is connected to by pipeline with the water tank, in the vacuum pump and storage Cold water circulation is formed between water pot.
The condensation water vessel is arranged on the ground by bracket support, and pulley is installed in the bottom of the bracket;It is described Water tank is placed on movable stand, and the movable stand includes carrier, column and snap ring;The water tank is placed in the carrying On disk, pulley is installed in the carrying pan bottom, the carrier top and be arranged around water tank circumferencial direction interval Multiple columns, the snap ring are nested with the outside in the water tank and are fixedly connected on the top of the column.
It is spaced apart material disc described in multilayer on the material frame and along its short transverse, the material described in adjacent two layers Be laid on the material frame between disk in the be parallel to each other heating tube and refrigerator pipes of coiling, described between multilayers charging tray plus Heat pipe is sequentially connected in series, and the refrigerator pipes between multilayers charging tray are sequentially connected in series.
The material disc is in drawer-type structure, and the bottom of the material disc is steel wire, and the side wall of the material disc is installed Handle.
Control cabinet is set at the top of the outer tank body, the control system integration is set in the control cabinet;It is described Multiple temperature sensors are provided in freeze-drying cabin, multi-point temperature automatic recording instrument is installed on the control cabinet, it is multiple described Temperature sensor and multi-point temperature automatic recording instrument electrical connection;The control system includes and multiple temperature sensors With the controller of heating device electrical connection.
The surrounding side wall and roof of the outer tank body are in detachable setting;It is provided on the vacuum freeze drying tank true Hollow pressure gauge is equipped with valve on the liquid nitrogen interface.
The utility model uses above technical scheme, has the advantages that the utility model is quick using a small amount of liquid nitrogen Freeze material, persistently freeze to material under vacuum conditions in conjunction with refrigeration unit, realizes that material is rapidly frozen under vacuum conditions It is dry, compared with single refrigeration mode lyophilisation product, the good product quality of acquisition, and reduce energy consumption.
Detailed description of the invention
Fig. 1 is the principles of the present invention schematic diagram;
Fig. 2 is the overall structure diagram of the utility model;
Fig. 3 is the schematic elevation view of the utility model;
Fig. 4 is the overlooking structure diagram of the utility model;
Fig. 5 is the structural schematic diagram of the utility model material frame.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 5, the utility model provides a kind of multifunctional vacuum freeze drier, it includes vacuum It is freeze-dried tank 1, heating device 2, vacuum evacuation device 3, refrigeration unit 4 and control system;
Vacuum freeze drying tank 1 includes outer tank body 11 and inner tank body 12, and inner tank body 12 is horizontally placed inside outer tank body 11, position In being respectively arranged with cover 13 in the outer tank body 11 at 12 both ends of inner tank body;Inner tank body 12 includes freeze-drying cabin 121, intermediate cabin 122 and outer cabin 123, freeze-drying cabin 121 is in hollow cylindrical structure, and intermediate cabin 122 is placed on the outer of freeze-drying cabin 121 Portion, the space being lyophilized between cabin 121 and intermediate cabin 122 are connected to by pipeline with refrigeration unit 4, and the outer of inner tank body 12 is formed Portion's refrigeration evaporator layer;Outer cabin 123 is nested with the sky between the outside of intermediate cabin 122, intermediate cabin 122 and outer cabin 123 Interior setting insulating;Material frame 6 is placed in freeze-drying cabin 121, material disc 7, material disc 7 are placed on material frame 6 Bottom is equipped with heating tube 8 and refrigerator pipes 9;
The liquid nitrogen interface (not shown) being connected to inside freeze-drying cabin 121, liquid nitrogen are set on vacuum freeze drying tank 1 Interface is connect with external liquid nitrogen feedway (not shown);
Heating device 2 is connect with the inlet and outlet of heating tube 8, forms the heating circuit in freeze-drying cabin 121;Refrigeration unit 4 It is connect with the inlet and outlet of refrigerator pipes 9, forms the refrigerating circuit in freeze-drying cabin 121;In vacuum evacuation device 3 and freeze-drying cabin 121 Connection keeps vacuum condition for making to be lyophilized in cabin 121;
Control system is used to control the operation of heating device 2, vacuum evacuation device 3 and refrigeration unit 4.
Further, as shown in figure 3, heating device 2 includes antifreeze liquid storage tank 21, antifreeze liquid storage tank 21 is by pipeline and freezes The inlet and outlet of heating tube 8 in dry cabin 121 are connected to, and circulating pump (not shown) is arranged on pipeline;Heating is opened stage by stage Device 2 prevents 9 bursting by freezing of refrigerator pipes in freeze-drying cabin 121 using anti-icing fluid, guarantees the normal operation of entire drying machine.
Further, as shown in Figure 1, Figure 3, vacuum evacuation device 3 includes vacuum pump 31 and condensation water vessel 32, vacuum pump 31 The outside of vacuum freeze drying tank 1 is set, and vacuum pump 31 is connected to by condensation water vessel 32 with freeze-drying cabin 121, refrigeration machine Group 4 is connect by pipeline with condensation water vessel 32, and vacuum pump 31 is lyophilized certainly in the cooling supply into condensation water vessel 32 of refrigeration unit 4 The most of condensation of moisture extracted out in cabin 121 gets off, and avoids the performance for influencing vacuum pump;Preferably, 32 He of water vessel is condensed It is provided with valve on pipeline between freeze-drying cabin 121, for facilitating control condensation water vessel 32 and the logical of cabin 121 being lyophilized It is disconnected.
Further, as shown in Figure 3, Figure 4, vacuum evacuation device 3 further includes cold water system 33, which includes Spray cooler (not shown) is arranged in the top of one water tank 331, water tank 331, and the intake-outlet of vacuum pump 31 passes through Pipeline is connected to water tank 331, and cold water circulation is formed between vacuum pump 31 and water tank 331, and the cold water in water tank 331 is timely Heat in vacuum pump 31 is taken away, is recycled back in water tank 331 and cools through spray cooler, meanwhile, material moisture with Vacuum pump 31 is recycled into cold water system 33, not only reduces the amount of freezing of condensed water, but also cold water system 33 is made to have cold water supplement, energy Enough 20 ﹪ or more of energy conservation.
Further, condensation water vessel 32 is arranged on the ground by the support of bracket 34, and the bottom of bracket 34 is installed and slided (not shown) is taken turns, to facilitate the transfer of condensation water vessel 32.
Further, for convenience of the movement of water tank 331, water tank 331 is placed on movable stand 35, and movable stand 35 wraps Include carrier 351, column 352 and snap ring 353;Pulley 354 is installed in the bottom of carrier 351, it is preferable that 351 bottom of carrier Three pulleys 354 of the circumferentially-spaced installation in portion;Water tank 331 is placed in the top of carrier 351, carrier 351 top and around Three columns 352 are arranged in 331 circumferencial direction interval of water tank, and snap ring 353 is nested with the outside in water tank 331 and is fixedly connected on The top of three columns 352.
Further, material disc 7 is in drawer-type structure, and the bottom of material disc 7 is steel wire, and the side wall of material disc 7 is installed Handle.
Further, it is spaced apart multilayers charging tray 7 on material frame 6 and along its short transverse, in adjacent two layers material The heating tube 8 and refrigerator pipes 9 in the coiling that is parallel to each other are laid on material frame 6 between disk 7, and adding between multilayers charging tray 7 Heat pipe 8 is sequentially connected in series, and the refrigerator pipes 9 between multilayers charging tray 7 are sequentially connected in series;Therefore, the heating circuit in cabin 121 is lyophilized Be with refrigerating circuit it is arranged in parallel, freezing liquid in heating tube 8 guarantees that refrigerator pipes 9 everywhere will not be because of the too low appearance of temperature Bursting by freezing.
Further, the surrounding side wall and roof of outer tank body 11 are in detachable setting, in this way, convenient dry to vacuum refrigeration Freeze-drying cabin 121 and other component in dry tank 1 are overhauled.
Further, valve is installed on liquid nitrogen interface, facilitates control freeze-drying cabin 121 and external liquid nitrogen feedway On-off is provided with pressure vacuum gauge on vacuum freeze drying tank 1, being capable of vacuum degree in real-time monitoring freeze-drying cabin 121.
Further, for convenience of staff's operation, control cabinet 5, control system integration are set at the top of outer tank body 11 It is set in control cabinet 5.
Further, it is lyophilized in cabin 121 and is provided with multiple temperature sensors, multi-point temperature is installed on control cabinet 5 certainly Dynamic recorder, multiple temperature sensors and the electrical connection of multi-point temperature automatic recording instrument, are lyophilized multiple temperature sensing in cabin 121 The multi-point temperature data acquired in real time are passed in multi-point temperature automatic recording instrument by device, and multi-point temperature automatic recording instrument is to received Temperature data carries out automatically recording storage and data processing, can obtain the instruction of freeze temperature curve, can help staff The temperature dynamic for grasping process flow in time, is conducive to the optimization of production technology during research and production;Control system include with The controller that multiple temperature sensors and heating device 2 are electrically connected, multiple temperature sensors are acquired in real time in freeze-drying cabin 121 Temperature information simultaneously passes to controller, and controller opens or closes heating device 2 according to the temperature information of acquisition.
The utility model use process is as follows:
1) a small amount of liquid nitrogen is added into freeze-drying cabin 121 by liquid nitrogen interface, under the temperature in cabin 121 is lyophilized sharply Drop freezes the material fast-refrigerating being lyophilized in cabin 121;
2) refrigeration unit 4, refrigeration unit 4 the external refrigeration evaporation layer of tank body 12,9 and of refrigerator pipes respectively inwards are then opened Cooling supply in water vessel 32 is condensed, vacuum pump 31 is opened simultaneously, is vacuumized in 31 pairs of freeze-drying cabins 121 of vacuum pump, material table Ice on face constantly distils, and is extracted out by vacuum pump 31 and enter condensation water vessel 32, the fast quickly cooling to the cold in condensation water vessel 32 It is solidifying;
3) heating device 2 is opened, the anti-icing fluid in antifreeze liquid storage tank 21 follows between antifreeze liquid storage tank 21 and heating tube 8 Ring, makes the material being lyophilized in cabin 121 keep certain temperature, and refrigeration unit 4 continues to 9 cooling supply of refrigerator pipes to make that cabin 121 is lyophilized Interior material is further freeze-dried, until material freeze-drying is complete in freeze-drying cabin 121.Due to the effect of anti-icing fluid, avoid The bursting by freezing of refrigerator pipes 9 in freeze-drying cabin 121, guarantees the normal operation of entire drying machine.
The application method utilizes a small amount of liquid nitrogen quick freezing material, continues under vacuum conditions to material in conjunction with refrigeration unit Refrigeration realizes that material is rapidly frozen drying under vacuum conditions, compared with single refrigeration mode lyophilisation product, the production of acquisition Quality is good, and reduces energy consumption.
The utility model is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can With what is be varied.It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model Improvement or equivalents, should not exclude except the protection scope of the utility model.

Claims (9)

1. a kind of multifunctional vacuum freeze drier, it is characterised in that: it includes vacuum freeze drying tank, heating device, takes out very Empty device, refrigeration unit and control system;
The vacuum freeze drying tank includes outer tank body and inner tank body, and the inner tank body is horizontally placed inside the outer tank body, position In being respectively arranged with cover in the outer tank body at the inner tank body both ends;The inner tank body includes freeze-drying cabin, intermediate cabin With outer cabin, the freeze-drying cabin is in hollow cylindrical structure, and the intermediate cabin is placed on the outside of the freeze-drying cabin, institute The space stated between freeze-drying cabin and intermediate cabin is connected to by pipeline with the refrigeration unit, and the outside of the inner tank body is formed Refrigeration evaporator layer;The outer cabin is nested with the space between the outside of the intermediate cabin, the intermediate cabin and outer cabin Interior setting insulating;
Be arranged on the vacuum freeze drying tank with the liquid nitrogen interface that be connected to inside the freeze-drying cabin, the liquid nitrogen interface with outside Portion's liquid nitrogen feedway;
It is placed with material frame in the freeze-drying cabin, material disc is placed on the material frame, the material pan bottom is equipped with Heating tube and refrigerator pipes;
The heating device is connect with the inlet and outlet of the heating tube, forms the intracorporal heating circuit in the freeze-drying cabin;The system Cold group is connect with the inlet and outlet of the refrigerator pipes, forms the intracorporal refrigerating circuit in the freeze-drying cabin;The vacuum evacuation device with Connection, keeps vacuum condition in the freeze-drying cabin for making in the freeze-drying cabin;
Control system is used to control the operation of the heating device, vacuum evacuation device and refrigeration unit.
2. multifunctional vacuum freeze drier as described in claim 1, it is characterised in that: the heating device includes anti-icing fluid Storage tank, the antifreeze liquid storage tank are connected to by pipeline with the inlet and outlet of the freeze-drying intracorporal heating tube in cabin, the pipeline Upper setting circulating pump.
3. multifunctional vacuum freeze drier as claimed in claim 2, it is characterised in that: the vacuum evacuation device includes vacuum The outside of the vacuum freeze drying tank is arranged in pump and condensation water vessel, the vacuum pump, and the vacuum pump passes through described cold Solidifying water vessel is connected to the freeze-drying cabin, and the refrigeration unit is connect by pipeline with the condensation water vessel.
4. multifunctional vacuum freeze drier as claimed in claim 3, it is characterised in that: the vacuum evacuation device further includes cool Water system, the cold water system includes water tank, and spray cooler, the disengaging of the vacuum pump is arranged in the top of the water tank The mouth of a river is connected to by pipeline with the water tank, and cold water circulation is formed between the vacuum pump and water tank.
5. multifunctional vacuum freeze drier as claimed in claim 4, it is characterised in that: the condensation water vessel passes through bracket Support is arranged on the ground, and pulley is installed in the bottom of the bracket;The water tank is placed on movable stand, the movable stand Including carrier, column and snap ring;The water tank is placed on the carrier, and pulley is installed in the carrying pan bottom, The top of the carrier and multiple columns are set around water tank circumferencial direction interval, the snap ring is nested with described The outside of water tank and the top for being fixedly connected on the column.
6. multifunctional vacuum freeze drier as described in claim 1, it is characterised in that: on the material frame and along its height Degree direction is spaced apart material disc described in multilayer, is laid on the material frame between the material disc described in adjacent two layers in mutual The heating tube and refrigerator pipes of parallel coiled, the heating tube between multilayers charging tray is sequentially connected in series, between multilayers charging tray The refrigerator pipes are sequentially connected in series.
7. multifunctional vacuum freeze drier as described in claim 1, it is characterised in that: the material disc is in drawer type knot Structure, the bottom of the material disc are steel wire, the side wall mounting knob of the material disc.
8. multifunctional vacuum freeze drier as described in claim 1, it is characterised in that: be arranged at the top of the outer tank body Control cabinet, the control system integration are set in the control cabinet;Multiple temperature sensors are provided in the freeze-drying cabin, Multi-point temperature automatic recording instrument is installed on the control cabinet, multiple temperature sensors and the multi-point temperature automatically record Instrument electrical connection;The control system includes the controller being electrically connected with multiple temperature sensors and heating device.
9. multifunctional vacuum freeze drier as claimed in any one of claims 1 to 8, it is characterised in that: the outer tank body Surrounding side wall and roof are in detachable setting;Pressure vacuum gauge is provided on the vacuum freeze drying tank, the liquid nitrogen connects Valve is installed on mouthful.
CN201821959335.6U 2018-11-26 2018-11-26 Multifunctional vacuum freeze drier Expired - Fee Related CN209326203U (en)

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CN201821959335.6U CN209326203U (en) 2018-11-26 2018-11-26 Multifunctional vacuum freeze drier

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Application Number Priority Date Filing Date Title
CN201821959335.6U CN209326203U (en) 2018-11-26 2018-11-26 Multifunctional vacuum freeze drier

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442878A (en) * 2018-11-26 2019-03-08 山东农业大学 Multifunctional vacuum freeze drier and its application method
CN110671893A (en) * 2019-09-11 2020-01-10 南京纳希纳米科技有限公司 Freeze-drying device for nanosheet preparation and using method
CN112582627A (en) * 2020-12-30 2021-03-30 无锡先导智能装备股份有限公司 Catalyst preparation system and control method thereof
CN113075019A (en) * 2021-04-29 2021-07-06 力鸿检验集团有限公司 Drying device and coal system appearance robot
CN113758079A (en) * 2021-09-01 2021-12-07 广州韩秀科技有限公司 Capillary liquid nitrogen pipeline iterative cycle water catching device and using method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442878A (en) * 2018-11-26 2019-03-08 山东农业大学 Multifunctional vacuum freeze drier and its application method
CN110671893A (en) * 2019-09-11 2020-01-10 南京纳希纳米科技有限公司 Freeze-drying device for nanosheet preparation and using method
CN112582627A (en) * 2020-12-30 2021-03-30 无锡先导智能装备股份有限公司 Catalyst preparation system and control method thereof
CN112582627B (en) * 2020-12-30 2024-02-23 江苏氢导智能装备有限公司 Catalyst preparation system and control method thereof
CN113075019A (en) * 2021-04-29 2021-07-06 力鸿检验集团有限公司 Drying device and coal system appearance robot
CN113758079A (en) * 2021-09-01 2021-12-07 广州韩秀科技有限公司 Capillary liquid nitrogen pipeline iterative cycle water catching device and using method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190830

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