CN105077539B - A kind of energy-saving fruits and vegetables vacuum freeze-drying system - Google Patents
A kind of energy-saving fruits and vegetables vacuum freeze-drying system Download PDFInfo
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- CN105077539B CN105077539B CN201510482524.3A CN201510482524A CN105077539B CN 105077539 B CN105077539 B CN 105077539B CN 201510482524 A CN201510482524 A CN 201510482524A CN 105077539 B CN105077539 B CN 105077539B
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- vacuum freeze
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention discloses a kind of energy-saving fruits and vegetables vacuum freeze-drying system, by refrigerating chamber, vacuum freeze-drying room, vavuum pump, heater, cold-trap, choke valve, condenser, compressor, evaporator, controller composition.Fruits and vegetables move to vacuum freeze-drying room after refrigerating chamber freezes, and in the presence of heater, fruits and vegetables ice crystal directly distils, and the water vapour discharged condenses at cold-trap；Wherein, evaporator is refrigerating chamber cooling, and cold-trap is vacuum freeze-drying room cooling, and heater is the fruits and vegetables distillation heat supply of vacuum freeze-drying room, and system waste heat drains into outdoor by condenser.Refrigerating chamber of the present invention shares a set of refrigeration system with vacuum freeze-drying room, realize recycling for system capacity, the original color, smell and taste of fruits and vegetables and nutritional ingredient are maintained to greatest extent, and system has the characteristics that dehydration is thorough, compact-sized, easy to operate, initial cost is low, obvious energy conservation.
Description
Technical field
The present invention relates to a kind of fruit and vegetable dryness system, more particularly to a kind of energy-saving fruits and vegetables vacuum freeze-drying system, category
In fruits and vegetables production and processing equipment.
Background technology
Fruits and vegetables occupy larger proportion in the agricultural product species in China, because fruits and vegetables moisture content is up to 70%~90%,
Easily rotted in storage, cause the loss of fruits and vegetables serious.Rot to be lost it is reported that rear fruits and vegetables are adopted in China
Rate, fruit is up to 30%, and vegetables are up to 40%.Therefore, in order to reduce fruits and vegetables loss, fruits and vegetables storage life is extended, frequently with drying and dehydrating
Method fruits and vegetables are handled.Fruit vegetable drying equipment is developed, the passive of agricultural " sell dish hardly possible, sell fruit hardly possible " can not only be alleviated
Situation, more high-quality, inexpensive fruit and vegetable materials are provided for exploitation enterprise, and are advantageous to drive agricultural industrialization development,
Agricultural product economic value is improved, realizes efficient, high-quality, agriculture oriented for export and foreign exchange earnings development.
Vacuum Freezing ＆ Drying Technology, it is to be combined Refrigeration Technique with vacuum technique, is passed using the heat transfer under low-temp low-pressure
Matter mechanism, low temperature environment of the fruits and vegetables under less than material eutectic temperature is freezed, is then placed on high vacuum environment
In, the moisture of fruits and vegetables is directly distilled with ice crystal state as gas, so as to which the moisture in material be removed.Vacuum freeze drying is made
New and high technology in being processed for dehydrating prods, can preferably keep the original color of fruits and vegetables, shape, and can be to greatest extent
Preserve the physiologically active ingredient in fruits and vegetables.However, at present existing vacuum freeze exist system complex, energy consumption it is big,
The problems such as operating cost is high, cause that freeze-drying prods cost is common heated-air drying product 4~6 times, it is cold seriously to govern vacuum
Freeze the popularization and application of dry technology.
The content of the invention
The purpose of the present invention is the deficiency existing for above-mentioned prior art, there is provided a kind of energy-saving fruits and vegetables vacuum refrigeration is done
Drying system.Concrete technical scheme is as follows：
A kind of energy-saving fruits and vegetables vacuum freeze-drying system, including it is refrigerating chamber, vacuum freeze-drying room, vavuum pump, heater, cold
Trap, choke valve, condenser, compressor, evaporator and controller；The evaporator is arranged on inside refrigerating chamber；The cold-trap and
Heater is separately mounted to vacuum freeze-drying chamber interior；The vavuum pump is connected with vacuum freeze-drying room；The compressor, condensation
Device, choke valve, cold-trap connect and form the circulation loop of closing from beginning to end successively；Entrance and exit is provided with the heater；
A pipeline is outwards drawn on the compressor to the pipeline of condenser, is connected with the entrance of the heater；The heater
Outlet be connected by pipeline with the pipeline of condenser to choke valve；Entrance and exit is provided with the evaporator；It is described
A pipeline is outwards drawn on choke valve to the pipeline of cold-trap, is connected with the entrance of the evaporator；The evaporator goes out
Mouth is connected by pipeline with the pipeline of cold-trap to compressor；The controller is connected by circuit with compressor and vavuum pump
Connect.
Further, it is provided with the second electromagnet cut off valve between the compressor and condenser.
Further, it is provided with the 3rd electromagnet cut off valve between the choke valve and cold-trap.
Further, the first electromagnetism is provided with the connecting line between the entrance of the compressor and the heater to cut
Only valve.
Further, the 4th electromagnetism is provided with the connecting line between the entrance of the choke valve and the evaporator to cut
Only valve.
Further, the controller by circuit respectively with the first electromagnet cut off valve, the second electromagnet cut off valve, the 3rd electricity
Magnetic stop valve and the 4th electromagnet cut off valve are connected.
Further, the compressor, condenser, the first electromagnet cut off valve, the second electromagnet cut off valve, the cut-off of the 3rd electromagnetism
Valve, the 4th electromagnet cut off valve are separately mounted to refrigerating chamber and vacuum freeze-drying outdoor.
Further, the condenser, evaporator, heater, cold-trap are each equipped with blower fan.
Further, refrigerating chamber and the vacuum freeze-drying room is made up of heat-insulating material respectively.
Further, the vacuum freeze-drying room is airtight volume.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) energy-saving fruits and vegetables vacuum freeze-drying system of the invention, refrigerating chamber share a set of refrigeration with vacuum freeze-drying room
System, system architecture are greatly simplified.Meanwhile the condensation heat release for passing through refrigeration system is the ice in vacuum freeze-drying room during fruit and vegetable dryness
Crystalline substance distillation provides institute's calorific requirement, avoids extra firing equipment, and reduce the energy resource consumption of system.
(2) fruits and vegetables can form stable solid skeletal after freezing, and when carrying out vacuum freeze-drying, solid skeletal is protected substantially
Hold constant, fruits and vegetables will not lose original solid structure.In freeze-drying process, the solid-state ice crystal inside fruits and vegetables is sublimed into as water vapour
A large amount of spaces are left in food material afterwards, make fruits and vegetables frozen dried food that there is spongy loose structure, reconstitution rate is up to 90%
More than.
(3) hardening phenomenon of fruit and vegetable surfaces caused by can avoiding general drying means, the moisture of fruits and vegetables is after freezing with ice
Crystalline form state is present, and during distillation, the solable matter of fruits and vegetables separates out in the original location, avoids in general drying means due in material
Portion's moisture carries solable matter and applied material to its surface migration on nutritive loss and the surface to caused by fruit and vegetable surfaces
Hardening phenomenon.
Brief description of the drawings
Fig. 1 is a kind of energy-saving fruits and vegetables vacuum freeze-drying system principle schematic of the present invention；
In figure, 1 is refrigerating chamber, and 2 be vavuum pump, and 3 be vacuum freeze-drying room, and 4 be heater, and 5 be cold-trap, and 6 be the 3rd electromagnetism
Stop valve, 7 be choke valve, and 8 be condenser, and 9 be the first electromagnet cut off valve, and 10 be the second electromagnet cut off valve, and 11 be compressor, 12
It is the 4th electromagnet cut off valve for controller, 13,14 be evaporator.
Embodiment
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
As shown in figure 1, a kind of energy-saving fruits and vegetables vacuum freeze-drying system, including refrigerating chamber 1, vavuum pump 2, vacuum freeze-drying
Room 3, heater 4, cold-trap 5, the 3rd electromagnet cut off valve 6, choke valve 7, condenser 8, the first electromagnet cut off valve 9, the second electromagnetism are cut
Only valve 10, compressor 11, controller 12, the 4th electromagnet cut off valve 13, evaporator 14.
The refrigerating chamber 1 and vacuum freeze-drying room 3 are made by polyurethane heat insulation material, wherein, in vacuum freeze-drying room 3
Wall carries out air-tightness processing.
The vavuum pump 2 is connected with vacuum freeze-drying room 3, ensures the required vacuum state requirement of vacuum freeze-drying room.
By the compressor 11, the second electromagnet cut off valve 10, condenser 8, choke valve 7, the 3rd electromagnet cut off valve 6, cold-trap 5
Connect from beginning to end successively and form the circulation loop of closing；Outwards drawn on the pipeline of the electromagnet cut off valve of compressor 11 to the second 10
A piece pipeline, it is connected with the entrance of the heater 4, the first electromagnet cut off valve 9 is installed on connecting line, heater 4 goes out
Mouth is connected with the pipeline of condenser 8 to choke valve 7；One is outwards drawn on the pipeline of the electromagnet cut off valve 6 of choke valve 7 to the 3rd
Pipeline, and being connected with the entrance of evaporator 14, installs the 4th electromagnet cut off valve 13 on connecting line, the outlet of evaporator 14 with
The pipeline of cold-trap 5 to compressor 11 is connected.Refrigerant is charged in circulation line.
The condenser 8, evaporator 14, heater 4, cold-trap 5 are each equipped with blower fan.Evaporator 14 is arranged on refrigerating chamber 1
It is interior；Cold-trap 5 and heater 4 are arranged in vacuum freeze-drying room 3, compressor 11, condenser 8, first the 9, second electricity of electromagnet cut off valve
Magnetic stop valve 10, the 3rd electromagnet cut off valve 6, the 4th electromagnet cut off valve 13 are arranged on the outside of refrigerating chamber 1 and vacuum freeze-drying room 3.
The controller 12 and compressor 11, vavuum pump 2, the first electromagnet cut off valve 9, the second electromagnet cut off valve the 10, the 3rd
Electromagnet cut off valve 6, the 4th electromagnet cut off valve 13 are connected.
The operation principle of the present invention is as follows：
Fruits and vegetables carry out freezing processing in refrigerating chamber 1 first, and ensure that fruits and vegetables internal moisture is all freezed as ice crystal.Freezing
Fruits and vegetables are transferred in vacuum freeze-drying room 3 after end, vavuum pump 2, which is opened, to be ensured to be in certain vacuum shape in vacuum freeze-drying room 3
State, fruits and vegetables are under the heat effect of heater 4, and its internal ice crystal directly distils, and the water vapour discharged coagulates at cold-trap 5
Knot.Wherein, evaporator 14 is that refrigerating chamber 1 provides cold, and cold-trap 5 is that vacuum freeze-drying room 3 provides cold, and heater 4 freezes for vacuum
Dry chamber 3 provides fruits and vegetables ice crystal distillation institute calorific requirement, and unnecessary condenser heat is discharged to outdoor environment by condenser 8.By first
Electromagnet cut off valve 9 controls the on off operating mode of heater 4, and the on off operating mode of condenser 8 is controlled by the second electromagnet cut off valve 10, by the
Three electromagnet cut off valve 6 control the on off operating mode of cold-trap 5, and the on off operating mode of evaporator 14 is controlled by the 4th electromagnet cut off valve 13.
The energy-saving fruits and vegetables vacuum freeze-drying system of the present invention, refrigerating chamber share a set of refrigeration with vacuum freeze-drying room and are
System, and the loop optimization for realizing system capacity utilizes.System can keep the original color, smell and taste of fruits and vegetables and battalion to greatest extent
Form point, in fruits and vegetables more than 95%~99% moisture can be excluded, the growth of microorganism and enzyme effect are suppressed, can be maximum
The long-term storage for realizing fruits and vegetables of limit preserves.Thorough, compact-sized, easy to operate, initial cost is low, energy-conservation with being dehydrated for system
The features such as notable.
Although above in association with accompanying drawing, invention has been described, and the invention is not limited in above-mentioned specific implementation
Mode, above-mentioned embodiment are only illustrative, rather than restricted, and one of ordinary skill in the art is in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to the guarantor of the present invention
Protect scope.
Claims (10)
- A kind of 1. energy-saving fruits and vegetables vacuum freeze-drying system, it is characterised in that：Including refrigerating chamber, vacuum freeze-drying room, vavuum pump, Heater, cold-trap, choke valve, condenser, compressor, evaporator and controller；The evaporator is arranged on inside refrigerating chamber；The cold-trap and heater are separately mounted to vacuum freeze-drying chamber interior；The vavuum pump is connected with vacuum freeze-drying room；The compressor, condenser, choke valve, cold-trap connect and form the circulation loop of closing from beginning to end successively；Entrance and exit is provided with the heater；A pipeline is outwards drawn on the compressor to the pipeline of condenser, It is connected with the entrance of the heater；The outlet of the heater is connected by pipeline with the pipeline of condenser to choke valve；Entrance and exit is provided with the evaporator；A pipeline is outwards drawn on the choke valve to the pipeline of cold-trap, with The entrance of the evaporator is connected；The outlet of the evaporator is connected by pipeline with the pipeline of cold-trap to compressor；The controller is connected by circuit with compressor and vavuum pump.
- 2. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 1, it is characterised in that：The compressor and cold The second electromagnet cut off valve is provided between condenser.
- 3. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 2, it is characterised in that：The choke valve and cold The 3rd electromagnet cut off valve is provided between trap.
- 4. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 3, it is characterised in that：The compressor and institute State and the first electromagnet cut off valve is provided with the connecting line between the entrance of heater.
- 5. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 4, it is characterised in that：The choke valve and institute State and the 4th electromagnet cut off valve is provided with the connecting line between the entrance of evaporator.
- 6. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 5, it is characterised in that：The controller passes through Circuit is connected with the first electromagnet cut off valve, the second electromagnet cut off valve, the 3rd electromagnet cut off valve and the 4th electromagnet cut off valve respectively.
- 7. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 6, it is characterised in that：It is the compressor, cold Condenser, the first electromagnet cut off valve, the second electromagnet cut off valve, the 3rd electromagnet cut off valve, the 4th electromagnet cut off valve are separately mounted to cold Freeze room and vacuum freeze-drying outdoor.
- 8. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 7, it is characterised in that：The condenser, steaming Hair device, heater, cold-trap are each equipped with blower fan.
- 9. the energy-saving fruits and vegetables vacuum freeze-drying system according to claim any one of 7-8, it is characterised in that：It is described cold Freeze room and vacuum freeze-drying room is made up of heat-insulating material respectively.
- 10. energy-saving fruits and vegetables vacuum freeze-drying system according to claim 9, it is characterised in that：The vacuum freeze-drying Room is airtight volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482524.3A CN105077539B (en) | 2015-08-03 | 2015-08-03 | A kind of energy-saving fruits and vegetables vacuum freeze-drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482524.3A CN105077539B (en) | 2015-08-03 | 2015-08-03 | A kind of energy-saving fruits and vegetables vacuum freeze-drying system |
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| CN105077539A CN105077539A (en) | 2015-11-25 |
| CN105077539B true CN105077539B (en) | 2018-02-27 |
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| CN201510482524.3A Expired - Fee Related CN105077539B (en) | 2015-08-03 | 2015-08-03 | A kind of energy-saving fruits and vegetables vacuum freeze-drying system |
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| CN105962005B (en) * | 2016-05-09 | 2019-12-27 | 顺德职业技术学院 | Energy-saving control method for two-stage compression type heat pump vacuum freeze drying combined equipment |
| CN106288668B (en) * | 2016-08-25 | 2019-03-29 | 苏州金唯智生物科技有限公司 | A kind of vacuum drying system and its application |
| CN106403508B (en) * | 2016-10-20 | 2019-03-01 | 江苏省农业科学院 | A kind of the food vacuum freeze drying equipment and method of recyclable aromatic substance |
| CN106360770B (en) * | 2016-10-28 | 2019-05-07 | 扬州大学 | Cold-trap microwave vacuum drying device |
| CN107228529A (en) * | 2017-07-07 | 2017-10-03 | 河南瑞凌科技有限公司 | A kind of family expenses ex situ freeze dryer |
| CN109458793B (en) * | 2018-12-19 | 2024-04-09 | 烟台大学 | Vacuum freezing coupling waste heat circulation energy-saving dryer |
| CN114353440B (en) * | 2021-12-23 | 2023-06-16 | 青岛海尔生物医疗股份有限公司 | Control method and device for freeze dryer and freeze dryer |
| CN115777770A (en) * | 2022-11-18 | 2023-03-14 | 江苏省农业科学院 | Method for improving drying quality and functional factors of fruits and vegetables through low-temperature freeze thawing combined integrated dipping freeze drying |
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| CN2290993Y (en) * | 1997-03-28 | 1998-09-16 | 李兆光 | Dryer for preservation of fruit and vegetables |
| CN201034406Y (en) * | 2007-04-23 | 2008-03-12 | 王立华 | Multiple drying chamber type freeze drying machine |
| CN203719327U (en) * | 2013-12-11 | 2014-07-16 | 邱国华 | Vacuum freeze drier |
| CN103968649A (en) * | 2014-05-13 | 2014-08-06 | 上海理工大学 | Freeze drying method and accessory equipment |
| CN104457142A (en) * | 2014-10-28 | 2015-03-25 | 仲恺农业工程学院 | Intermittent vacuum freeze-drying device for green leaf food |
| CN205093552U (en) * | 2015-11-05 | 2016-03-23 | 韩山师范学院 | Energy -saving combination drying device of dehydrated fruits and vegetables |
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2015
- 2015-08-03 CN CN201510482524.3A patent/CN105077539B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2719656A1 (en) * | 1994-05-03 | 1995-11-10 | Agronomique Inst Nat Rech | Method and device for controlling vacuum lyophilization |
| CN2290993Y (en) * | 1997-03-28 | 1998-09-16 | 李兆光 | Dryer for preservation of fruit and vegetables |
| CN201034406Y (en) * | 2007-04-23 | 2008-03-12 | 王立华 | Multiple drying chamber type freeze drying machine |
| CN203719327U (en) * | 2013-12-11 | 2014-07-16 | 邱国华 | Vacuum freeze drier |
| CN103968649A (en) * | 2014-05-13 | 2014-08-06 | 上海理工大学 | Freeze drying method and accessory equipment |
| CN104457142A (en) * | 2014-10-28 | 2015-03-25 | 仲恺农业工程学院 | Intermittent vacuum freeze-drying device for green leaf food |
| CN205093552U (en) * | 2015-11-05 | 2016-03-23 | 韩山师范学院 | Energy -saving combination drying device of dehydrated fruits and vegetables |
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| CN105077539A (en) | 2015-11-25 |
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Address after: No. 3499 Jinbei Highway, Dongli District, Tianjin 300300 Patentee after: Proud green group Limited by Share Ltd Address before: No. 3499 Jinbei Highway, Dongli District, Tianjin 300300 Patentee before: TIANJIN AOLV AGRICULTURAL & SIDELINE PRODUCTS GROUP CO., LTD. |
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Granted publication date: 20180227 Termination date: 20190803 |