CN201156951Y - Vacuum precooling heat insulation storage system of fruits and vegetables - Google Patents
Vacuum precooling heat insulation storage system of fruits and vegetables Download PDFInfo
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- CN201156951Y CN201156951Y CNU2008200714637U CN200820071463U CN201156951Y CN 201156951 Y CN201156951 Y CN 201156951Y CN U2008200714637 U CNU2008200714637 U CN U2008200714637U CN 200820071463 U CN200820071463 U CN 200820071463U CN 201156951 Y CN201156951 Y CN 201156951Y
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Abstract
The utility model relates to a fruit vegetable vacuum precooling cool protection storage system, which belongs to the technical field of fruit vegetable processing devices. The fruit vegetable vacuum precooling cool protection storage system aims at solving the problems of reducing the running cost of vacuum precooling devices, enhancing the investment rate of return, overcoming geographical restrictions of fruit vegetable processing, etc. The fruit vegetable vacuum precooling cool protection storage system is composed of a vacuum precooling box, a vacuum pump group, a compressor group and a spray device, and is characterized in that the vacuum precooling box adopts a double vacuum layer structure and is divided into an inner layer, an middle layer and an outer layer; the spray device comprises a spray lance (7), a water pump (11) and a water box (12), wherein, the spray lance (7) is arranged in the inner layer (26) of the vacuum precooling box; the water pump (11) and the water box (12) are communicated with the spray lance (7) and are arranged on the outer part of the vacuum precooling box; the vacuum pump group is communicated with the inner layer (26) and the middle layer (25) of the vacuum precooling box. The fruit vegetable vacuum precooling cool protection system solves the problems of reducing the running cost of vacuum precooling devices, enhancing the investment rate of return, overcoming geographical restrictions of fruit vegetable processing, etc.
Description
Technical field
The utility model relates to a kind of fruits and vegetables vacuum pre-cooling cold insulation system, belongs to the garden stuff processing equipment technical field.
Background technology
Vacuum precooling freshness retaining claims decompression fresh-keeping storage again.Its operation principle is according to water different boiling points to be arranged under different pressure.Be that fruits and vegetables and other fresh and alive food are placed in the airtight storehouse (container), bleed with vavuum pump, make it to obtain lower absolute pressure (its pressure size will and be store Wen Erding according to the article characteristic), this moment, the boiling point of water descended, water becomes steam in this boiling temperature, absorb the latent heat of vaporization of 2253.9kJ/kg simultaneously, make the temperature of preserved food products itself be dropped rapidly to the temperature of this boiling point, constantly remove the water vapour that produces simultaneously.
Vacuum precooling freshness retaining equipment mainly is made of equipment such as vacuum pre-cooling case, vavuum pump, compressors.Vacuum precooling freshness retaining has that precooling speed is fast, cooling-down effect evenly, improve fruit-vegetable quality and freshness date, characteristics such as power consumption minimizing relatively.Be mainly used in the precooling treatment and the storage aspect of fruit, vegetables, meat, flowers, cereal etc. at present.But because vacuum precooling freshness retaining equipment initial investment height, so generally be applied in the big fruits and vegetables place of production for the treatment of capacity, the fruits and vegetables after the processing are preserved in cold chain or are transported, and operating cost is higher, and the specification requirement of operational management simultaneously height also hinders it to be applied.
Summary of the invention
The purpose of utility model has been to provide a kind of fruits and vegetables has been carried out the fruits and vegetables vacuum pre-cooling cold insulation storage system that small batch is handled, and to solve the operating cost that reduces vacuum pre-cooling equipment, improves rate of return on investment, overcomes the problems such as region restriction of garden stuff processing.Should system adopt the pre-ice chest of double-layer vacuum of unique design to have precooling, cold insulation double action, both can handle fruits and vegetables in batch, can be used as cold insulated cabinet long-distance transport fruits and vegetables again.The use of this system can reduce the quantity of vavuum pump, compressor, increases transport space, makes the addressing of garden stuff processing factory not limited by the region.
The technical scheme that the utility model adopted is:
A kind of fruits and vegetables vacuum pre-cooling cold insulation storage system, it mainly is made up of vacuum pre-cooling case, vavuum pump group, compressor bank and spray equipment, said vacuum pre-cooling case adopts two vacuum layer structures, be divided into interior, in, outer three layers, said spray equipment comprises spray lance 7 that places vacuum pre-cooling case internal layer 26 and the water pump 11 that places vacuum pre-cooling case outside, the water tank 12 that is communicated with spray lance 7; Said vavuum pump group is communicated with the internal layer 26 and the middle level 25 of vacuum pre-cooling case.
Said vavuum pump group comprises the cold well coil pipe 13 that places condenser 15, and the one end is respectively with the internal layer 26 of vacuum pre-cooling case with middle level 25 is communicated with and open-minded by stop valve 19,20 controls respectively, and its other end is communicated with vavuum pump 14.
Said compressor bank comprises condenser 15 and the compressor 18 that is connected in series with condenser 15, evaporimeter 16, expansion valve 17, and condenser 15 constitutes the condensation water vessels with the cold well coil pipe 13 of vavuum pump group.
Exhaust-valve 3 is equipped with in said vacuum pre-cooling case upper end, and beneficial water valve 21 is equipped with in vacuum pre-cooling case lower end.
The internal layer 26 of said vacuum pre-cooling case is a fruits and vegetables vacuum pre-cooling process chamber, and middle level 25 is a vacuum cold insulation layer, and outer 24 is the hot-resistant heat-preserving layer, and wherein the vacuum pressure in middle level 25 is greater than the vacuum pressure of internal layer 26.
Characteristics of the present utility model are that the pre-ice chest of double-layer vacuum and vavuum pump group and spray equipment assemble together by easy parts.Use vavuum pump group and atomizing sprayer, the environment temperature in the pre-ice chest of double-layer vacuum is dropped near the ice warm spot of storage fruits and vegetables, when fruits and vegetables need batch processing, open the pre-ice chest of double-layer vacuum and fruits and vegetables are put into freezer carry out cryopreservation; When fruits and vegetables need direct low temperature to transport, seal each connector, double-layer vacuum precooling packing list is solely pulled down transported.The utility model is simple in structure, but both batch process fruits and vegetables are convenient to the fruits and vegetables low temperature storing and transporting again, so not only reduce overlapping investment, reduce energy consumption again, are particularly useful for the high fruit and vegetable storage and transportation of added value.
The beneficial effects of the utility model are that native system can be realized the conveying of fruits and vegetables cold chain, thereby effectively preserves the nutrition and the local flavor of fruits and vegetables; Native system adopts modularized design, and easy accessibility improves the fixedly service efficiency of unit; Strengthen the ability to work of condensation water-trapping system, improved the stability and the security of system; The pre-ice chest of double-layer vacuum does not need supporting refrigeration unit just can realize the cold insulation transportation when transportation, for the cold chain transportation provides a kind of novel means of transport;
Description of drawings
Fig. 1 is a decorum schematic diagram of the present utility model.
Among the figure: 1. the outer 25. double-layer vacuum pre-cooling box middle levels of chamber door 2. seals 3. exhaust-valves 4. humidometers 5. thermometers 6. spraying stop valves 7. spray lances 8. pre-cooling box middle level vacuum meters, 9. pre-cooling box internal layer vacuum meters 10. fixed mounts, 11. water pumps 12. water tanks, 13. cold well coil pipe 14. vavuum pumps 15. condensers, 16. evaporimeters 17. expansion valves, 18. compressors 19. pre-cooling box internal layer vacuum stop valves, 20. pre-cooling box middle level vacuum stop valves 21. spilling water valves, 22. little water tank 23. draining valves 24. double-layer vacuum pre-cooling boxes 26. double-layer vacuum pre-cooling box internal layers.
The specific embodiment
Further specify the particular content of the present utility model and the course of work thereof below in conjunction with the accompanying drawing illustrated embodiment:
In these fruits and vegetables vacuum pre-cooling cold insulation storage system, pre-ice chest of double-layer vacuum and vavuum pump group, spray equipment assemble together by easy parts, the pre-ice chest of double-layer vacuum both can be used as the container of precooling fruits and vegetables in batch, can be used as cold insulated cabinet again and transported for long-distance.
The pre-ice chest of double-layer vacuum is made of casing, fixed mount 10, chamber door 1, spray lance 7, seal 2, pressure vacuum gauge 8,9, thermometer 5, humidometer 4, stop valve 6,19,20,21;
The vavuum pump group is made of vavuum pump 14, cold well coil pipe 13, snap joint;
Compressor bank is made of compressor 18, condenser 15, expansion valve 17, evaporimeter 16;
Spraying system is made of water pump 11, water tank 12.
The pre-ice chest of double-layer vacuum is connected with vavuum pump group, spraying system, and the condenser 15 of compressor bank constitutes the condensation water vessel with the cold well coil pipe of vavuum pump group 15.
When fruits and vegetables are carried out vacuum pre-cooling, by the auxiliary spray of freezing point modifier, temperature is controlled at 2～-1 ℃ carries out precooling, fruits and vegetables can be kept minimum vital movement under this temperature, and frost bitten not.Freezing point modifier helps to improve the temperature of fruits and vegetables freezing point, and the vacuum in the vacuum pre-cooling case need not drop to the very low effect that just can reach precooling like this, helps saving the energy.
That the pre-ice chest of double-layer vacuum is divided into is interior, in, outer three layers, internal layer 26 is a fruits and vegetables vacuum pre-cooling process chamber, middle level 25 is a vacuum cold insulation layer, outer 24 is the hot-resistant heat-preserving material, wherein the vacuum pressure in middle level 25 is greater than the vacuum pressure of internal layer 26.Help reducing extraneous and storage box internal heat exchange amount like this, when the pre-ice chest of double-layer vacuum transported as cold insulated cabinet, the internal layer environment temperature changed in 48 hours and is no more than 2～4 ℃.
The course of work of the present utility model is:
During the batch process fruits and vegetables
(1) opens 18 pairs of condensation water vessels of compressor and carry out precooling; (2) after condensation water vessel temperature reaches 10 ℃, open the pre-ice chest internal layer 26 of 14 pairs of double-layer vacuums of vavuum pump and vacuumize; (3) when the vacuum pressure of the pre-ice chest internal layer 26 of double-layer vacuum reaches 0.3 standard atmospheric pressure, open the atomizing spray system, spray freezing point modifier to fruit and vegetable surfaces; (4) when the fruits and vegetables temperature reached the ice temperature temperature of its correspondence, the vavuum pump group quit work; (5) open the exhaust-valve 3 of the pre-ice chest of double-layer vacuum, then open the pre-ice chest chamber door 1 of double-layer vacuum, fruits and vegetables are directly sent into freezer preserve.
When directly transporting fruits and vegetables after handling
(1) opens 18 pairs of condensation water vessels of compressor and carry out precooling; (2) after condensation water vessel temperature reaches 10 ℃, open the pre-ice chest internal layer 26 of 14 pairs of double-layer vacuums of vavuum pump and vacuumize; (3) when the vacuum pressure of the pre-ice chest internal layer 26 of double-layer vacuum reaches 0.3 standard atmospheric pressure, open the atomizing spray system, spray freezing point modifier to fruit and vegetable surfaces; (4) when the fruits and vegetables temperature reached the ice temperature temperature of its correspondence, the vavuum pump group quit work; (5) close the pre-ice chest internal layer of double-layer vacuum and extraneous all valves that are connected; (6) open the valve that is communicated with of the pre-ice chest of double-layer vacuum middle level 25 and vavuum pump group, open vavuum pump 14 once more and vacuumize, when pressure reached about 0.5 atmospheric pressure (middle level vacuum pressure should greater than the internal layer vacuum pressure), the vavuum pump group quit work; (7) close the pre-ice chest of double-layer vacuum middle level 25 and extraneous all valves that are connected; (8) remove the pipeline that is connected with the pre-ice chest of double-layer vacuum, fruits and vegetables and the pre-ice chest of double-layer vacuum after handling are together transported.
Claims (5)
1, a kind of fruits and vegetables vacuum pre-cooling cold insulation storage system, it mainly is made up of vacuum pre-cooling case, vavuum pump group, compressor bank and spray equipment, it is characterized in that said vacuum pre-cooling case adopts two vacuum layer structures, be divided into interior, in, outer three layers, said spray equipment comprises the spray lance (7) that places vacuum pre-cooling case internal layer (26) and the water pump that places vacuum pre-cooling case outside (11) that is communicated with spray lance (7), water tank (12); Said vavuum pump group is communicated with internal layer (26) and middle level (25) of vacuum pre-cooling case.
2, fruits and vegetables vacuum pre-cooling cold insulation storage system according to claim 1, it is characterized in that said vavuum pump group comprises the cold well coil pipe (13) that places condenser (15), the one end is communicated with the internal layer (26) of vacuum pre-cooling case and middle level (25) respectively and is open-minded by stop valve (19,20) control respectively, and its other end is communicated with vavuum pump (14).
3, fruits and vegetables vacuum pre-cooling cold insulation storage system according to claim 1, it is characterized in that said compressor bank comprises condenser (15) and the compressor (18) that is connected in series with condenser (15), evaporimeter (16), expansion valve (17), condenser (15) constitutes the condensation water vessel with the cold well coil pipe (13) of vavuum pump group.
4, fruits and vegetables vacuum pre-cooling cold insulation storage system according to claim 1 is characterized in that on the said vacuum pre-cooling case exhaust-valve (3) being housed, and spilling water valve (21) is equipped with in vacuum pre-cooling case lower end.
5, fruits and vegetables vacuum pre-cooling cold insulation storage system according to claim 1, the internal layer (26) that it is characterized in that said vacuum pre-cooling case is a fruits and vegetables vacuum pre-cooling process chamber, middle level (25) is a vacuum cold insulation layer, outer (24) are the hot-resistant heat-preserving layer, and wherein the vacuum pressure of middle level (25) is greater than the vacuum pressure of internal layer (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200714637U CN201156951Y (en) | 2008-03-06 | 2008-03-06 | Vacuum precooling heat insulation storage system of fruits and vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200714637U CN201156951Y (en) | 2008-03-06 | 2008-03-06 | Vacuum precooling heat insulation storage system of fruits and vegetables |
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| Publication Number | Publication Date |
|---|---|
| CN201156951Y true CN201156951Y (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200714637U Expired - Fee Related CN201156951Y (en) | 2008-03-06 | 2008-03-06 | Vacuum precooling heat insulation storage system of fruits and vegetables |
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| CN (1) | CN201156951Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106212648A (en) * | 2016-08-30 | 2016-12-14 | 苏州贝特贝斯能源技术有限公司 | Vehicle-mounted micro-vacuum fruit and vegetable picking Spot Cooling radiator cooler and forecooling method thereof |
| CN107637655A (en) * | 2017-11-01 | 2018-01-30 | 广东集菜送食品科技有限公司 | Safety and environmental protection Vegetable cold chain logistics preservation method |
| CN109060174A (en) * | 2018-04-09 | 2018-12-21 | 华南农业大学 | A method of improving the monitoring of fruits and vegetables water precooling temperature |
| CN112344608A (en) * | 2020-12-13 | 2021-02-09 | 罗良宜 | Ice-making vacuum precooler |
-
2008
- 2008-03-06 CN CNU2008200714637U patent/CN201156951Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106212648A (en) * | 2016-08-30 | 2016-12-14 | 苏州贝特贝斯能源技术有限公司 | Vehicle-mounted micro-vacuum fruit and vegetable picking Spot Cooling radiator cooler and forecooling method thereof |
| CN107637655A (en) * | 2017-11-01 | 2018-01-30 | 广东集菜送食品科技有限公司 | Safety and environmental protection Vegetable cold chain logistics preservation method |
| CN109060174A (en) * | 2018-04-09 | 2018-12-21 | 华南农业大学 | A method of improving the monitoring of fruits and vegetables water precooling temperature |
| CN112344608A (en) * | 2020-12-13 | 2021-02-09 | 罗良宜 | Ice-making vacuum precooler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 |