CN111034787A - Novel ozone coupling ultraviolet fresh-keeping Lingwu long jujube equipment - Google Patents
Novel ozone coupling ultraviolet fresh-keeping Lingwu long jujube equipment Download PDFInfo
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- CN111034787A CN111034787A CN201911390838.5A CN201911390838A CN111034787A CN 111034787 A CN111034787 A CN 111034787A CN 201911390838 A CN201911390838 A CN 201911390838A CN 111034787 A CN111034787 A CN 111034787A
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Images
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/015—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Abstract
The invention relates to novel ozone coupling ultraviolet preservation Lingwu long jujube equipment, which comprises a shell mother warehouse, an inner layer child warehouse, a refrigerating device, an ozone generator, an ozone pyrolyzer, an ultraviolet irradiation lamp and a fan, wherein the shell mother warehouse is arranged in the shell mother warehouse; the inner-layer sub storehouses are arranged in the shell mother storehouse at intervals, the shell mother storehouse is a mother storehouse composed of polyurethane heat-insulation plates, the inner-layer metal plate sub storehouse is composed of thick iron plates, an interlayer is arranged between the shell mother storehouse and the inner-layer sub storehouse, the shell mother storehouse and the inner-layer sub storehouse are respectively provided with heat-insulation doors, and the heat-insulation doors are double-layer doors; and a temperature sensor is arranged on the outer wall of the sub-warehouse in the interlayer. The invention adopts a new technology of combining pulse type strong light sterilization with atomization and mildew prevention, treats the long jujube with micron-sized particles formed by atomization of a bactericide, and has the functions of bacteriostasis and corrosion prevention and combining strong light sterilization. When the bactericide is stored for a long time, the bactericide is alternately used for periodic pulse treatment according to the needs, and the industrial problems of uneven treatment, difficult drying, large mechanical damage, high residual quantity and the like of the traditional bactericide soaking method are solved.
Description
Technical Field
The invention belongs to the field of preservation equipment, and particularly relates to novel ozone coupling ultraviolet preservation equipment for Lingwu long jujubes.
Background
The Lingwu long jujube is an excellent fresh-eating jujube variety with local characteristics in the autonomous region of Ningxia Hui nationality, and in recent years, the long jujube industry is rapidly developed, so that the economic benefit brought to local farmers is quite abundant. However, due to the physiological and biochemical characteristics of the long-term jujubes and the adverse environmental stress of the storage environment after the long-term jujubes are picked, the long-term jujubes are seriously lost after the long-term jujubes are picked, and the commodity value is greatly reduced. Fresh jujubes are not treated at normal temperature after being harvested and are placed for 24 hours, the water loss rate is over 5 percent, and the Vc is seriously lost and the nutritional value is reduced due to much water loss, physiological metabolism disorder, fruit flesh alcoholization and the like; the rot phenomenon appears after 5-7 days, and the edible value and the commodity value are nearly lost. In recent years, with the rapid expansion of planting area of Lingwu long dates, the date farmers urgently need to master the storage and preservation technology of long dates. If the producing area does not have related fresh-keeping technology and storage and transportation conditions, severe consequences of 'rotten in busy seasons and off-season' are caused.
At present, the storage and the preservation of the Lingwu long dates after the picking mainly comprise modified atmosphere preservation treatment, low temperature treatment, preservative treatment and the like at home and abroad. During the storage and transportation process, related research achieves certain effect. The modified atmosphere preservation and vacuum refrigeration preservation treatment technology has high cost, the chemical preservative has low relative cost, but secondary pollution can be caused to fruits, and the quality of the pulp is adversely affected. But the problem of the lingwu long jujube which is easy to lose water and soften the wine is not completely solved. The invention provides equipment for keeping Lingwu long jujubes fresh, which obviously improves the shelf life of the long jujubes, is convenient to operate and is suitable for practical application of enterprises.
Through searching, the following patent documents relevant to the present application are found, and the specific disclosures are as follows:
1. a red date preservation process (CN 106615042A) discloses a process that red dates are washed, scalded and sterilized by clear water at 80-90 ℃ for 20-30 min, air-dried for surface moisture, secondarily sterilized by ozone with the concentration of 5-10 ppm for 20-30 min, and then transferred to an aseptic packaging workshop for vacuum packaging, wherein the defects of the patent are that heat-sensitive active substances are seriously lost after ① blanching and sterilization, ② ozone half-life period is short, but part of ozone is still dissipated into the air to cause harm to human bodies, and ③ operation process temperature fluctuation is large and influences the quality of the red dates.
2. A fresh-keeping method of Hami jujube (CN103004952A) comprises the first step of mixing sand with the diameter of about 1mm with calcium carbonate powder with the crushing degree of at least 200 meshes and sodium chloride powder with the crushing degree of at least 200 meshes, uniformly mixing the mixture, wherein the mass ratio of the sand to the calcium carbonate powder to the sodium chloride powder is 100: 3: 4, the second step of preparing mixed liquid with water, ethanol, acetic acid, olive oil and glycerin, the volume ratio of the mixed liquid to the acetic acid to the olive oil to the glycerol is 100: 6: 5: 2: 1, the third step of spraying the liquid mixture to the solid mixture in the first step and fully mixing the mixture, wherein the mass of the liquid mixture is 1, the mass of the solid mixture is 10-15, and the fourth step of filling the liquid mixture and the Hami jujube in an air-permeable storage container in a separation mode and storing the jujube in an environment with the temperature of 5-25 ℃.
3. A storage and preservation method of winter jujubes (CN103636773A) comprises the following steps of placing winter jujubes in a container, coating the winter jujubes with a natural compound preservative, and airing the coated winter jujubes, and pre-storing the winter jujubes in a pulse pressure chamber, wherein the natural compound preservative is prepared from lysozyme, salt, vitamin C and lecithin, the natural compound preservative is prepared according to the mass-volume ratio that the content of the lysozyme is 0.02-0.08%, the content of the salt is 1.5-3%, the content of the vitamin C is 0.01-0.04% and the content of the lecithin is 0.01-0.1%, the operation of alternating change of different pressures is carried out on the winter jujubes in the pulse pressure chamber, the pressure in the pulse pressure chamber is set between 30 and 60kPa and is pulsed at a pulse ratio of 20-40 min: 30-55 min, and the main defects of the pulse ratio of different pressure holding times are that ① coating preservative treatment, ② temperature is high, no harm is caused, and pesticide residue is treated and high in ③.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides novel ozone coupling ultraviolet preservation Lingwu long jujube equipment with long preservation time and multiple treatment functions.
The utility model provides a novel ozone coupling ultraviolet fresh-keeping lingwu long jujube equipment which characterized in that: comprises a shell mother warehouse, an inner layer son warehouse, a refrigerating device, an ozone generator, an ozone pyrolyzer, an ultraviolet irradiation lamp and a fan;
the inner-layer sub storehouses are arranged in the shell mother storehouse at intervals, the shell mother storehouse is a mother storehouse composed of polyurethane heat-insulation plates, the inner-layer metal plate sub storehouse is composed of thick iron plates, an interlayer is arranged between the shell mother storehouse and the inner-layer sub storehouse, the shell mother storehouse and the inner-layer sub storehouse are respectively provided with heat-insulation doors, and the heat-insulation doors are double-layer doors; the outer wall of the sub-warehouse in the interlayer is provided with a temperature sensor;
the top of the inner-layer sub-warehouse is provided with a micron-sized atomizer, the atomizer filling chamber is three sub-chambers, three kinds of atomizing agents are placed in the atomizer filling chamber, and the inner wall of the inner-layer sub-warehouse is provided with a temperature sensor, a humidity sensor and an atomizer;
the upper part of the inner wall of the sub-warehouse is provided with an ultraviolet irradiation lamp
The bottom of the inner wall of the sub-warehouse is also provided with a fan, and an interface at the front part of the fan is connected with an ozone pyrolysis device;
an ozone generator is arranged outside the shell mother warehouse and introduces ozone into the equipment son warehouse through a polytetrafluoroethylene tube;
the top of the inner wall of the sub-warehouse is provided with a pulse strong light sterilizing lamp.
Moreover, the germicidal lamp is a large-dose high-pressure mercury lamp, and the pulse type highlight non-thermal sterilization mode is as follows: pulse energy 300J, pulse distance 10cm, flash number of times 32/s.
Further, the ultraviolet band of the ultraviolet irradiation lamp was set to 254 nm.
Furthermore, the three sub-chambers are respectively provided with: a first filling chamber: 100mg/kg chlorine dioxide solution, a second filling chamber: containing 200mg/kg peroxyacetic acid and 2% lactic acid + 2% acetic acid + 2% levulinic acid solution, packing chamber three: solution of organic acid containing 3% lactic acid + 3% acetic acid.
The invention has the advantages and positive effects that:
1. the invention adopts a new technology of ozone combined with ultraviolet fresh-keeping Lingwu long jujube, and has the advantages of bacteriostasis, antifogging, pesticide residue reduction and disease resistance improvement. On one hand, the strong oxidation of ozone inhibits the growth and reproduction of microorganisms; the ozone effectively oxidizes and decomposes the pesticides on the surfaces of the fruits and the vegetables, and reduces pesticide residues; the ozone can rapidly oxidize and decompose ethylene generated by the fruits and the vegetables, and the aging of the fruits and the vegetables is delayed. On the other hand, ultraviolet irradiation stimulates the synthesis and activity improvement of antifungal defense enzymes of plant tissues, inhibits the generation of pathogenic bacteria plant protection essence, induces the expression of disease resistance genes and improves the disease resistance.
2. The invention adopts a structural form of 'large warehouse and small warehouse', and the jacket is ventilated and refrigerated, so that heat transfer and mass transfer are avoided, the temperature is accurately controlled, and the temperature fluctuation in the equipment is ensured to be within the range of 0.01-0.1.
3. The invention adopts a new technology of combining pulse type strong light sterilization with atomization and mildew prevention, treats the long jujube with micron-sized particles formed by atomization of a bactericide, and has the functions of bacteriostasis and corrosion prevention and combining strong light sterilization. When the bactericide is stored for a long time, the bactericide is alternately used for periodic pulse treatment according to the needs, and the industrial problems of uneven treatment, difficult drying, large mechanical damage, high residual quantity and the like of the traditional bactericide soaking method are solved.
4. The invention adopts the electric heating ozone decomposition technology to remove residual ozone at the discharge port, the temperature of the electric heating rod is set to be 50 ℃, the ozone is decomposed into oxygen, the residual ozone is effectively removed, and the invention is green, environment-friendly, healthy and safe.
Drawings
FIG. 1 is a graph showing the results of the present invention;
1-a polyurethane plate shell mother library, 2-an inner layer metal plate sub library, 3-a jacket layer, 4-an ultraviolet irradiation lamp, 5-an atomizer, 6-a circulating fan, 7-an atomizer filling chamber, 8-a fan, 9-an ozone pyrolyzer, 10-a polytetrafluoroethylene tube, 11-a controller, 12-an ozone generator, 13-a heat preservation door, 14- (a sub library) temperature sensor, 15- (a sub library) humidity sensor, 16- (a jacket) temperature sensor, 17-an air cooler, 18-a refrigerating unit and 19-a pulse highlight sterilizing lamp.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
A novel ozone coupling ultraviolet preservation Lingwu long jujube equipment comprises a shell mother warehouse, an inner layer metal plate warehouse, a heat preservation door, a refrigerating device, an ozone generator, a controller, an ozone pyrolyzer, an ultraviolet irradiation device and a fan.
The inner-layer metal plate sub-storehouses are arranged in the shell mother storehouse at intervals, the shell mother storehouse is a mother storehouse composed of polyurethane insulation boards with the thickness of 100cm, the sub-storehouses are composed of iron plates with the thickness of 20cm, and the interlayer space between the mother storehouse and the sub-storehouses is 500 cm. And the outer wall of the sub-warehouse in the interlayer is provided with a temperature sensor and a connecting air cooler, and the temperature sensor and the air cooler are connected with a controller. When the temperature sensor detects that the interlayer temperature is higher than the lower limit of the set threshold, the controller switch is turned on, and the refrigerating unit starts to work; and when the temperature of the detected interlayer is lower than the lower limit of the set threshold, the switch of the controller is closed, and the refrigerating unit stops working.
The shell mother warehouse and the metal plate child warehouse are respectively provided with a heat preservation door, and the heat preservation doors are double-layer doors and are connected with the child-mother warehouse.
The top of the sub-reservoir is provided with a micron-sized atomizer (the formula of the atomized liquid is as follows), the atomizer filling chamber is three sub-chambers, and three atomized agents are placed inside the atomizer filling chamber. The inner wall of the sub-warehouse is provided with a temperature sensor, a humidity sensor, an atomizer, and a temperature sensor and a humidity sensor which are respectively connected with a controller. When the temperature sensor detects that the temperature of the sub-warehouse is higher than the upper limit of the set threshold value, the refrigerating unit starts to work, and when the temperature is reduced to be within the set temperature range, the refrigerating unit is closed. When the humidity sensor detects that the humidity in the sub-warehouse is lower than the lower limit of the set threshold, the switch of the controller is turned on, and the atomizer starts to work; when the humidity of the detected sub-reservoir is higher than the lower limit of the set threshold, the switch of the controller is closed, and the atomizer stops working. The atomizer switches three filling chambers according to requirements, atomizes different atomized liquids for bud suppression, sterilization or mildew prevention treatment, and preferably adopts pulse treatment.
The formula of the atomized liquid is as follows: three atomizer filler rooms are respectively placed: a first filling chamber: 100mg/kg chlorine dioxide solution, a second filling chamber: containing 200mg/kg peroxyacetic acid and 2% lactic acid + 2% acetic acid + 2% levulinic acid solution, packing chamber three: solution of organic acid containing 3% lactic acid + 3% acetic acid.
An ultraviolet irradiation lamp is arranged on the upper part of the inner wall of the sub-warehouse, and the ultraviolet band of the ultraviolet irradiation lamp is set to be 254nm, so that the sterilization and the mildew prevention are effectively realized.
The bottom of the inner wall of the sub-warehouse is also provided with a fan (used for exhausting air outwards from the inside of the sub-warehouse), and an ozone pyrolysis device is connected at the interface. When the long jujube is stored and taken out, residual ozone in the son warehouse is emptied, the exhaust fan works, the pyrolyzer is started, the set temperature is 50 ℃, when air in the warehouse is pumped out, the ozone is pyrolyzed and removed, the ozone is effectively prevented from overflowing, and the operation is green and safe.
An ozone generator is arranged outside the shell mother warehouse and introduces ozone into the equipment son warehouse through a polytetrafluoroethylene tube. The pipeline outlet of the polytetrafluoroethylene is provided with a fan, so that the ozone circulation in the equipment is promoted, and the uniformity of the ozone concentration is ensured.
The controller is connected with the ozone generator, an ozone concentration detection probe is installed in the ozone generator, and the other end of the probe is connected with the controller. When the detected concentration is lower than the lower limit of the set threshold, the switch of the controller is turned on, and the ozone generator starts to work; when the detected concentration is higher than the lower limit of the set threshold, the switch of the controller is closed, and the ozone generator stops working.
The top of the inner wall of the sub-warehouse is provided with a pulse highlight sterilizing lamp which is a large-dose high-pressure mercury lamp, and the pulse highlight non-thermal sterilization mode is as follows: pulse energy 300J, pulse distance 10cm, flash number of times 32/s.
The refrigeration and heat preservation mode of the invention is as follows:
the structure of 'large warehouse and small warehouse' is adopted, the jacket is ventilated and refrigerated, the heat transfer is not mass transfer, and the temperature is accurately controlled. On the one hand, the inner wall of the interlayer is provided with a temperature sensor. When the temperature sensor detects that the interlayer temperature is higher than the lower limit of the set threshold value by 0.1 ℃, the controller switch is started, and the air cooler starts to work; and when the temperature of the detected interlayer is lower than the lower limit of the set threshold value by 2 ℃, the switch of the controller is closed, and the air cooler stops working. The temperature fluctuation in the equipment can be ensured to be within the range of 0.01-0.1.
Mould proof moisture retention mode:
the aim is achieved by mainly releasing micron-sized atomized particles through an atomizer, and the atomizer comprises three filling chambers and can be filled with food-grade bud inhibitors, bactericides and liquid water required by humidification, such as CIPC, chlorine dioxide and the like. When the humidity probe detects that the humidity in the sub-warehouse is lower than the set suitable storage humidity, the conversion switch of the atomization humidifier is turned on, micron-sized water mist is circularly humidified in the warehouse along with air convection, and the conversion switch is turned off when the humidity is suitable for storage. In addition, micron-sized particles formed by atomizing food-grade bud inhibitors such as CIPC, chlorine dioxide and the like and bactericides are adopted to treat the sweet potatoes to inhibit buds and bacteria. When the bactericide is stored for a long time, the bactericide can be treated in a pulse mode regularly according to needs, and the treatment is carried out every 40 to 60 seconds, and various bactericides can be used alternately to avoid phytotoxicity and pathogenic bacteria drug resistance. Moreover, during the storage period, the ultraviolet ozone pulse type synergistic treatment is performed at regular time every day, the ozone concentration is 30ppm, the treatment is performed for 30min, the storage quality is ensured, and the environment-friendly and safe effects are achieved.
Atomization effect test data:
the bacteriostatic performance of atomized chlorine dioxide and peracetic acid on salmonella typhimurium is improved along with the increase of the concentration of the atomized chlorine dioxide and peracetic acid. In-vivo bacteriostasis tests on Lingwu long jujube show that 100mg/kg of chlorine dioxide, 200mg/kg of peroxyacetic acid, a combination of 2% of lactic acid, 2% of acetic acid and 2% of levulinic acid and an organic acid combination of 3% of lactic acid and 3% of acetic acid have more than 5log CFU/fruit of the salmonella typhimurium inoculated on the surface of the Lingwu long jujube. The aerosolized chlorine dioxide treatment of 400mg/kg inhibited Salmonella typhimurium tomato stem-apex by more than 5log CFU/fruit. During storage, the bacteriostatic agent treatment has no obvious influence on the physicochemical indexes and the quality of the Lingwu long jujube. The inhibition of the atomized hydrogen peroxide treatment on the salmonella typhimurium and the listeria inoculated on the surface of the ziziphus jujubes can reduce 5log CFU/fruit, and the inhibition on the escherichia coli O157: h7 may then fall below the detection range. Atomized hydrogen peroxide treatment of salmonella typhimurium, escherichia coli O157: the inhibitory amounts of H7 and Listeria were between 1.0-1.4log CFU/fruit. Under the same treatment conditions, the inhibition of Salmonella typhimurium and Listeria monocytogenes inoculated on spinach leaves was 4.2 and 4.0log CFU/leaf, respectively.
Claims (4)
1. The utility model provides a novel ozone coupling ultraviolet fresh-keeping lingwu long jujube equipment which characterized in that: comprises a shell mother warehouse, an inner layer son warehouse, a refrigerating device, an ozone generator, an ozone pyrolyzer, an ultraviolet irradiation lamp and a fan;
the inner-layer sub storehouses are arranged in the shell mother storehouse at intervals, the shell mother storehouse is a mother storehouse composed of polyurethane heat-insulation plates, the inner-layer metal plate sub storehouse is composed of thick iron plates, an interlayer is arranged between the shell mother storehouse and the inner-layer sub storehouse, the shell mother storehouse and the inner-layer sub storehouse are respectively provided with heat-insulation doors, and the heat-insulation doors are double-layer doors; the outer wall of the sub-warehouse in the interlayer is provided with a temperature sensor;
the top of the inner-layer sub-warehouse is provided with a micron-sized atomizer, the atomizer filling chamber is three sub-chambers, three kinds of atomizing agents are placed in the atomizer filling chamber, and the inner wall of the inner-layer sub-warehouse is provided with a temperature sensor, a humidity sensor and an atomizer;
the upper part of the inner wall of the sub-warehouse is provided with an ultraviolet irradiation lamp
The bottom of the inner wall of the sub-warehouse is also provided with a fan, and an interface at the front part of the fan is connected with an ozone pyrolysis device;
an ozone generator is arranged outside the shell mother warehouse and introduces ozone into the equipment son warehouse through a polytetrafluoroethylene tube;
the top of the inner wall of the sub-warehouse is provided with a pulse strong light sterilizing lamp.
2. The novel ozone-coupled ultraviolet fresh-keeping Lingwu jujube device as claimed in claim 1, wherein: the sterilizing lamp is a large-dose high-pressure mercury lamp, and the pulse type highlight non-thermal sterilization mode is as follows: pulse energy 300J, pulse distance 10cm, flash number of times 32/s.
3. The novel ozone-coupled ultraviolet fresh-keeping Lingwu jujube device as claimed in claim 1, wherein: the ultraviolet band of the ultraviolet irradiation lamp is set to 254 nm.
4. The novel ozone-coupled ultraviolet fresh-keeping Lingwu jujube device as claimed in claim 1, wherein: the three sub-chambers are respectively provided with: a first filling chamber: 100mg/kg chlorine dioxide solution, a second filling chamber: containing 200mg/kg peroxyacetic acid and 2% lactic acid + 2% acetic acid + 2% levulinic acid solution, packing chamber three: solution of organic acid containing 3% lactic acid + 3% acetic acid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112056380A (en) * | 2020-08-20 | 2020-12-11 | 大有作为(天津)冷链设备有限公司 | Fresh-keeping method for prune fluid phase |
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| JPH04311345A (en) * | 1991-04-10 | 1992-11-04 | Mitsubishi Heavy Ind Ltd | Freshness-keeping apparatus |
| CN201403464Y (en) * | 2009-05-12 | 2010-02-17 | 上海善如水保鲜科技有限公司 | Fruit-vegetable non-congealable decompressing fresh-keeping device |
| CN204526961U (en) * | 2015-02-03 | 2015-08-05 | 乳山市富洋果蔬有限公司 | A kind of vacuum cold case and Vacuum refrigerator car and vacuum cold storage |
| CN105230770A (en) * | 2015-08-28 | 2016-01-13 | 中国农业科学院农产品加工研究所 | Fresh keeping storehouse with ultraviolet rays |
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| JPH04311345A (en) * | 1991-04-10 | 1992-11-04 | Mitsubishi Heavy Ind Ltd | Freshness-keeping apparatus |
| CN201403464Y (en) * | 2009-05-12 | 2010-02-17 | 上海善如水保鲜科技有限公司 | Fruit-vegetable non-congealable decompressing fresh-keeping device |
| CN204526961U (en) * | 2015-02-03 | 2015-08-05 | 乳山市富洋果蔬有限公司 | A kind of vacuum cold case and Vacuum refrigerator car and vacuum cold storage |
| CN105230770A (en) * | 2015-08-28 | 2016-01-13 | 中国农业科学院农产品加工研究所 | Fresh keeping storehouse with ultraviolet rays |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112056380A (en) * | 2020-08-20 | 2020-12-11 | 大有作为(天津)冷链设备有限公司 | Fresh-keeping method for prune fluid phase |
| CN112056380B (en) * | 2020-08-20 | 2023-09-19 | 大有作为(天津)冷链设备有限公司 | Western Mei Liu phase antiseptic fresh-keeping method |
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