CN109868115A - A kind of fresh cold chain efficient cold-storage material and preparation method thereof - Google Patents
A kind of fresh cold chain efficient cold-storage material and preparation method thereof Download PDFInfo
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- CN109868115A CN109868115A CN201910186420.6A CN201910186420A CN109868115A CN 109868115 A CN109868115 A CN 109868115A CN 201910186420 A CN201910186420 A CN 201910186420A CN 109868115 A CN109868115 A CN 109868115A
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- cold
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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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- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
The present invention relates to a kind of fresh cold chain efficient cold-storage materials, including following components: water, sodium carboxymethylcellulose and anti-cryogen and energy storage agent excessively, the mass percent of above-mentioned each component are as follows: sodium carboxymethylcellulose 0.1~3%；It is anti-to cross cryogen 0.1~3%；Energy storage agent 0.1~26%；Remaining is water.For the present invention using inorganic salts that are nontoxic, harmless, being conveniently easy to get as principal component, adding anti-cryogen of crossing reduces degree of supercooling, while anti-phase separation agent is added and stablizes dynamic performance of ice storage, cold storage efficiency is improved, to reduce use cost.So that the phase transition temperature of gained cold chain low-temperature cold energy storage agent at 0 DEG C hereinafter, have the advantages that energy conservation, it is safe and efficient, can satisfy the temperature requirements of thermally sensitive agricultural product Cold Chain Logistics.
Description
Technical field
The present invention relates to logistics technique of refrigeration field, especially a kind of fresh cold chain efficient cold-storage material and its preparation side
Method.
Background technique
Cold-storage material is under certain condition using the medium of Cool Storage Technology storage cooling capacity, it passes through the phase transformation or change of material
It learns reaction and collects storage cooling capacity, cooling capacity is discharged and applied again when needed.It can absorb and release made of the technology
Amplification quantity cooling capacity, but being able to maintain system this substance stable in a temperature range is cold chain cold-storage material.
Cold Chain Logistics are the key that ensure that the logistics transportation under quality in the fresh food process of circulation, cold chain ensure can be with
Rotting for fresh food is effectively reduced.Refrigerator car be over long distances, the first choices of high-volume fresh food Cold Chain Logistics, still
Refrigerating machine of refrigerated truck group energy consumption is larger, higher cost, at the same easily occur during entire Cold Chain Logistics chain rupture take off it is cold, especially
It is during being at source pre-chilled to refrigerator car and last one kilometer dispatching.It can achieve cold-storage using cold-storage material and let cool
Space-time separation, energy-efficient meets fresh food Cold Chain Logistics needs, guarantees the continuity of Cold Chain Logistics temperature, maintains life
Fresh food quality promotes fresh food commodity value.
There are different demands, the preference temperatures such as margarine, cheese, condensed milk to temperature for temperature sensitive fresh food
It is -2~-3 DEG C, the preference temperatures such as aquatic products, butter, cream, sausage are -3~-5 DEG C, the preference temperatures such as non-defrost meat, seafood
It is -6~-8 DEG C, the preference temperatures such as freezing fruits and vegetables, French fries, frozen mutton are -12~-14 DEG C, and ice cream, freezing beef etc. are suitable for
Temperature is -18~-25 DEG C, this just needs the cold-storage material of more different temperatures.But it is general during current fresh food Cold Chain Logistics
All over ice is used, as cold-storage material, the phase transition temperature of ice is 0 DEG C, is difficult to meet the temperature requirements of these fresh food, therefore,
It is limited to the cold insulation effect of frozen food in practical application.
According to this, it is badly in need of researching and developing a kind of efficient cold-storage material for being applicable in frozen food to meet actual needs, to the phase of cold-storage material
Temperature requirement is lower, can reduce the environment temperature around frozen food, improves cold chain efficiency.
Summary of the invention
The purpose of the present invention is the efficient cold-storage material of a kind of fresh cold chain to solve the above problem, phase transition temperature compared with
It is low, and the environment temperature around frozen food can be reduced, improve cold chain efficiency.
Technical solution provided by the invention is as follows:
A kind of fresh cold chain efficient cold-storage material, including following components: water, sodium carboxymethylcellulose and anti-cryogen excessively
With energy storage agent, the mass percent of above-mentioned each component are as follows:
Sodium carboxymethylcellulose 0.1~0.5%；
It is anti-to cross cryogen 0.1~3%；
Energy storage agent 0.1~26%；
Remaining is water.
Preferably, the anti-cryogen of crossing is silica, and the mass percent of silica is 0.1~2%；
The energy storage agent includes following components: potassium chloride, sodium carbonate；
Potassium chloride 10~22%,
Sodium carbonate 0.1~1%.
Preferably, the anti-cryogen of crossing is sodium borate decahydrate, and sodium borate decahydrate 0.1~3%；
The energy storage agent is sodium chloride, and sodium chloride 8~17%.
Preferably, the anti-cryogen of crossing is sodium borate decahydrate, and the mass percent of sodium borate decahydrate is
0.1~1%；
The energy storage agent includes following components: sodium chloride, ammonium chloride；
Sodium chloride 17~20%,
Ammonium chloride 3~6%.
A kind of preparation method according to the efficient cold-storage material of fresh cold chain described above, specifically includes the following steps:
S01, predetermined temperature is heated water to, be maintained in this temperature；
S02, weigh by weight it is anti-cross cryogen, energy storage agent and sodium carboxymethylcellulose, water is slowly put into after mixing
In, stirring forms uniform viscous solution.
Preferably, the predetermined temperature in step S01 is at 50 DEG C or so.
The present invention also provides a kind of the answering in foam insulation box of efficient cold-storage material of fresh cold chain described above
With.
Preferably, the fresh cold chain is put into incubator with efficient cold-storage material, continues 4-15 hours, to keep case
Interior temperature is at -6 DEG C -16 DEG C or so.
In conclusion a kind of fresh cold chain provided by the invention is with efficient cold-storage material and preparation method thereof with following excellent
Point:
1, present invention uses inorganic salts that are nontoxic, harmless, being conveniently easy to get as principal component, and adding anti-cryogen of crossing reduces
Degree of supercooling, while anti-phase separation agent is added and stablizes dynamic performance of ice storage, cold storage efficiency is improved, to reduce use cost.
2, make the phase transition temperature of cold-storage material at 0 DEG C hereinafter, have the advantages that energy conservation, safe and efficient, can satisfy pair
The temperature requirements of temperature sensitive agricultural product Cold Chain Logistics.
Detailed description of the invention
Fig. 1 is the phase transition temperature figure that the present invention prepares resulting cold-storage material；
Fig. 2 is the phase transformation potential figure that the present invention prepares resulting cold-storage material；
Fig. 3 is to prepare environment in the case of resulting cold-storage material using the present invention.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described in detail, but the present invention is not limited to following realities
Apply example.
The present invention provides a kind of fresh cold chain efficient cold-storage material, including following components: water, sodium carboxymethylcellulose, with
And anti-cryogen and energy storage agent excessively, the mass percent of above-mentioned each component are as follows: sodium carboxymethylcellulose 0.1~0.5%；Anti- supercooling
Agent 0.1~3%；Energy storage agent 0.1~26%；Remaining is water.
Anti- cryogen of crossing is silica below, and the mass percent of silica is 0.1~2%；Energy storage agent include with
Lower component: potassium chloride, sodium carbonate；Potassium chloride 10~22%, sodium carbonate 0.1~1%.Embodiment 1:
The dedicated cold-storage material embodiment of cold chain by kilogram as unit of, in the dedicated cold-storage material of every kilogram of cold chain of the invention contain chlorine
Change 100 grams of potassium, 5 grams of sodium carbonate, silica 1 gram, 5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, potassium chloride, sodium carbonate, sodium carboxymethylcellulose are weighed by weight, is slowly put into water after mixing, when being added
Stirring, forms uniform viscous solution；
C, last slowly investment silica keeps its evenly dispersed in the solution to get to the dedicated cold-storage material of cold chain.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by the dedicated cold-storage material of every kilogram of cold chain
9 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -6 DEG C or so.
Embodiment 2:
The dedicated cold-storage material embodiment of cold chain by kilogram as unit of, in the dedicated cold-storage material of every kilogram of cold chain of the invention contain chlorine
Change 110 grams of potassium, 1 gram of sodium carbonate, 0 gram of silica 1,5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, potassium chloride, sodium carbonate, sodium carboxymethylcellulose are weighed by weight, is slowly put into water after mixing, when being added
Stirring, forms uniform viscous solution；
C, last slowly investment silica keeps its evenly dispersed in the solution to get to the dedicated cold-storage material of cold chain.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by the dedicated cold-storage material of every kilogram of cold chain
10.5 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -6 DEG C or so.
Embodiment 3:
The dedicated cold-storage material embodiment of cold chain by kilogram as unit of, in the dedicated cold-storage material of every kilogram of cold chain of the invention contain chlorine
Change 220 grams of potassium, 10 grams of sodium carbonate, 20 grams of silica, 5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, potassium chloride, sodium carbonate, sodium carboxymethylcellulose are weighed by weight, is slowly put into water after mixing, when being added
Stirring, forms uniform viscous solution；
C, last slowly investment silica keeps its evenly dispersed in the solution to get to the dedicated cold-storage material of cold chain.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by the dedicated cold-storage material of every kilogram of cold chain
15 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -5~-10 DEG C.
Anti- cryogen of crossing is sodium borate decahydrate below, and the mass percent of sodium borate decahydrate is 1~3%；Storage
Can agent be sodium chloride, and sodium chloride 8~17%.
Embodiment 4:
Cold chain cold-storage material embodiment by kilogram as unit of, 80 grams of sodium chloride-containing in every kilogram of cold chain cold-storage material of the invention,
30 grams of sodium borate decahydrate, 5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, sodium chloride, sodium borate decahydrate, sodium carboxymethylcellulose are weighed by weight, are slowly put into water after mixing,
It stirs while adding, forms uniform viscous solution to get the dedicated cold-storage material of cold chain is arrived.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by the dedicated cold-storage material of every kilogram of cold chain
5 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -6 DEG C or so.
Embodiment 5:
Cold chain cold-storage material embodiment by kilogram as unit of, sodium chloride-containing 170 in every kilogram of cold chain cold-storage material of the invention
Gram, 10 grams of sodium borate decahydrate, 5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, sodium chloride, sodium borate decahydrate, sodium carboxymethylcellulose are weighed by weight, are slowly put into water after mixing,
It stirs while adding, forms uniform viscous solution to get the dedicated cold-storage material of cold chain is arrived.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by the dedicated cold-storage material of every kilogram of cold chain
7 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -5~-12 DEG C or so.
Anti- cryogen of crossing is sodium borate decahydrate below, and the mass percent of sodium borate decahydrate is 0.1~1%；
Energy storage agent includes following components: sodium chloride, ammonium chloride；Sodium chloride 17~20%, ammonium chloride 3~6%.
Embodiment 6:
Cold chain low-temperature cold energy storage agent embodiment by kilogram as unit of, in every kilogram of cold chain low-temperature cold energy storage agent of the invention contain chlorine
Change 200 grams of sodium, 30 grams of ammonium chloride, 10 grams of sodium borate decahydrate, 5 grams of sodium carboxymethylcellulose, remaining is water.
The dedicated cold-storage material of cold chain of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, sodium chloride, ammonium chloride, sodium borate decahydrate, sodium carboxymethylcellulose are weighed by weight, are slowly thrown after mixing
Enter in water, stir while adding, forms uniform viscous solution to get cold chain low-temperature cold energy storage agent is arrived.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by every kilogram of cold chain low-temperature cold energy storage agent
4 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -14 DEG C or so.
Embodiment 7:
Cold chain low-temperature cold energy storage agent embodiment by kilogram as unit of, in every kilogram of cold chain low-temperature cold energy storage agent of the invention contain chlorine
Change 200 grams of sodium, 40 grams of ammonium chloride, 10 grams of sodium borate decahydrate, 5 grams of sodium carboxymethylcellulose, remaining is water.
Cold chain low-temperature cold energy storage agent of the invention includes following procedure in the preparation:
A, 50 DEG C or so are heated water to, is maintained in this temperature；
B, sodium chloride, ammonium chloride, sodium borate decahydrate, sodium carboxymethylcellulose are weighed by weight, are slowly thrown after mixing
Enter in water, stir while adding, forms uniform viscous solution to get cold chain low-temperature cold energy storage agent is arrived.
The application in foam insulation box of the efficient cold-storage material of resulting cold chain, by every kilogram of cold chain low-temperature cold energy storage agent
6 hours released cold quantities can at least be continued, in foam insulation box to keep the temperature inside the box at -16 DEG C or so.
In above-described embodiment, cold-storage material is prepared according to mass fraction formula, is put into -20 DEG C of refrigerator, remembered within every 10 minutes
A temperature is recorded, curve graph is drawn according to time and temperature relation, show that the phase transition temperature of cold-storage material at -13.12 DEG C, is shown in figure
1, Fig. 2, phase transformation potential are 265.62kJ/kg, see Fig. 2, degree of supercooling drops to 1.05 DEG C, reduces 46.7% (table 1).Use storage
1 kilogram of cryogen, heat preservation the temperature inside the box can be reduced to -14 DEG C, meet frozen food needs, see Fig. 3.
The degree of supercooling of 1 cold-storage material of table is adjusted
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (8)
1. a kind of efficient cold-storage material of fresh cold chain, which is characterized in that including following components: water, sodium carboxymethylcellulose, and
It is anti-to cross cryogen and energy storage agent, the mass percent of above-mentioned each component are as follows:
Sodium carboxymethylcellulose 0.1~0.5%；
It is anti-to cross cryogen 0.1~3%；
Energy storage agent 0.1~26%；
Remaining is water.
2. the efficient cold-storage material of fresh cold chain according to claim 1, it is characterised in that:
The anti-cryogen of crossing is silica, and the mass percent of silica is 0.1~2%；
The energy storage agent includes following components: potassium chloride, sodium carbonate；
Potassium chloride 10~22%,
Sodium carbonate 0.1~1%.
3. the efficient cold-storage material of fresh cold chain according to claim 1, it is characterised in that:
The anti-cryogen of crossing is sodium borate decahydrate, and the mass percent of sodium borate decahydrate is 1~3%；
The energy storage agent is sodium chloride, and sodium chloride 8~17%.
4. the efficient cold-storage material of fresh cold chain according to claim 1, it is characterised in that:
The anti-cryogen of crossing is sodium borate decahydrate, and the mass percent of sodium borate decahydrate is 0.1~1%；
The energy storage agent includes following components: sodium chloride, ammonium chloride；
Sodium chloride 17~20%,
Ammonium chloride 3~6%.
5. a kind of preparation method of the fresh cold chain with efficient cold-storage material, feature described in any one of -4 according to claim 1
It is, specifically includes the following steps:
S01, predetermined temperature is heated water to, be maintained in this temperature；
S02, anti-cryogen, energy storage agent and sodium carboxymethylcellulose excessively are weighed by weight, slowly put into water, stir after mixing
Form uniform viscous solution.
6. the preparation method of the efficient cold-storage material of fresh cold chain according to claim 5, it is characterised in that:
Predetermined temperature in step S01 is at 50 DEG C or so.
7. a kind of fresh cold chain described in any one of -4 according to claim 1 answering in foam insulation box with efficient cold-storage material
With.
8. the application according to fresh cold chain as claimed in claim 7 with efficient cold-storage material in foam insulation box, it is characterised in that:
The fresh cold chain is put into incubator with efficient cold-storage material, continues 4~15 hours, to keep the temperature inside the box at -6 DEG C
~-16 DEG C or so.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910186420.6A CN109868115A (en) | 2019-03-12 | 2019-03-12 | A kind of fresh cold chain efficient cold-storage material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951466A (en) * | 2019-12-10 | 2020-04-03 | 北京云杉世界信息技术有限公司 | Fresh cold chain meat coolant and preparation method thereof |
| CN111567615A (en) * | 2020-06-04 | 2020-08-25 | 北京市农业技术推广站 | Phase-change cold-storage fresh-keeping method suitable for fresh fruit and vegetable electricity commercial mode |
| CN111826130A (en) * | 2020-07-27 | 2020-10-27 | 安徽国微华芯环境科技有限公司 | A kind of low temperature phase change cold storage composite solvent and its preparation method and generating device |
| CN113372881A (en) * | 2021-05-25 | 2021-09-10 | 江苏金合能源科技有限公司 | Cold storage material for fruit and vegetable fresh keeping and preparation method thereof |
| CN114316915A (en) * | 2021-12-13 | 2022-04-12 | 江苏金合能源科技有限公司 | High-latent-heat low-supercooling low-temperature inorganic phase change energy storage material and preparation method thereof |
| CN116179167A (en) * | 2023-01-04 | 2023-05-30 | 重庆派驰节能科技有限责任公司 | Cold energy recovery cold accumulation agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110951466A (en) * | 2019-12-10 | 2020-04-03 | 北京云杉世界信息技术有限公司 | Fresh cold chain meat coolant and preparation method thereof |
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Application publication date: 20190611 |