CN106928902A - A kind of preparation method of compound ultralow temperature phase change cold accumulating agent - Google Patents
A kind of preparation method of compound ultralow temperature phase change cold accumulating agent Download PDFInfo
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- CN106928902A CN106928902A CN201511019386.1A CN201511019386A CN106928902A CN 106928902 A CN106928902 A CN 106928902A CN 201511019386 A CN201511019386 A CN 201511019386A CN 106928902 A CN106928902 A CN 106928902A
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- phase change
- parts
- compound
- ultralow temperature
- change cold
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- 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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/066—Cooling mixtures; De-icing compositions
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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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Abstract
The invention provides a kind of preparation method of compound ultralow temperature phase change cold accumulating agent, comprise the following steps：Step S10, preparation potassium chloride, sodium chloride, ammonium chloride and water；Step S20, potassium chloride, sodium chloride are added to the water, stirring and dissolving obtains solution A.Step S30, heated solution A, add ammonium chloride while stirring, stir, and the compound ultralow temperature phase change cold accumulating agent is obtained after cooling.Compound ultralow temperature phase change cold accumulating agent of the invention or compound ultralow temperature phase change cold-storage device, by the component and proportioning of rational configuration agent for storage of coldness, make it have following characteristics：1st, phase transition temperature is low；2nd, latent heat of phase change is high；3rd, low cost；4th, it is nonpoisonous and tasteless, it is safe and reliable；5th, environmental protection；6th, preserve convenient；7th, air transportation is unrestricted.
Description
Technical field
The present invention relates to Cool Storage Technology, more particularly to a kind of system of compound ultralow temperature phase change cold accumulating agent
Preparation Method.
Background technology
Current food net purchase is gradually popular, and Online Shopping ice cream etc. freezes product demand and increases deeply.But
Current cold chain residence is not perfect with logistics, and a large amount of deep products that freeze still need to be solved using packing technique
Its Temperature Controlling.
Meanwhile, the medical small packet in part is also required to be transported under freezing environment, need to be packed using temperature control
Ensure drug safety.
But the logistics temperature control prepared by present agent for storage of coldness preparation method is packed, by the temperature in parcel
Degree control difficulty below -18 DEG C is very big.It is primary raw material that this kind of packaging uses dry ice more in the preparation.
Face high cost, preserve the problems such as difficult, air transportation is limited.It is specific as follows：
1st, the use of dry ice is that agent for storage of coldness production cost prepared by primary raw material is high.Dry ice price about 10
Unit/Kg.And be single use, cause packing cost high.
2nd, the use of dry ice is that agent for storage of coldness prepared by primary raw material preserves difficult.Dry ice highly volatile, i.e.,
Stored using the dry ice incubator of specialty, the volatile quantity for also having 5% or so in a day.Therefore dry ice is usual
For existing system now send existing use.Small lot uses the client of dry ice, or the client of dispatching inconvenience need to be using dry
During ice, inconvenience is had.
3rd, the use of dry ice is that agent for storage of coldness air transportation prepared by primary raw material is limited.Dry ice belongs to the 9th
Restricted is transported to dry ice in class aviation hazard product, various regions airport.Forbid dry ice in most of airport
Air transportation.When limiting air transportation, dry ice is used in temperature control packaging.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, a kind of compound ultralow temperature of present invention offer
The preparation method of phase change cold accumulating agent, the compound ultralow temperature phase change cold accumulating agent prepared by the method is had
There is low cost, preserve that convenient, air transportation is unrestricted, phase transition temperature is low and that latent heat of phase change is high is excellent
Point.
The preparation method of compound ultralow temperature phase change cold accumulating agent of the invention, comprises the following steps：
Step S10, preparation potassium chloride, sodium chloride, ammonium chloride and water；
Step S20, potassium chloride, sodium chloride are added to the water, stirring and dissolving obtains solution A.
Step S30, heated solution A, add ammonium chloride while stirring, stir, after cooling
To the compound ultralow temperature phase change cold accumulating agent.
Compared with prior art, compound ultralow temperature phase change cold accumulating agent preparation method of the invention, leads to
Cross the component of rational configuration agent for storage of coldness, with when preparation technology, make it have following characteristics：
1st, the compound ultralow temperature phase change cold accumulating agent phase transition temperature for preparing is low.Make agent for storage of coldness phase transition temperature
At -26 DEG C~-20 DEG C, less than -18 DEG C temperature requirements can be met, be produced so as to meet the low temperature such as ice cream
The movement requirement of product.
2nd, the compound ultralow temperature phase change cold accumulating agent latent heat of phase change for preparing is high.Latent heat of phase change 240~
Between 280KJ/Kg.
3rd, the compound ultralow temperature phase change cold accumulating agent low cost for preparing.As consumptive material, Unit Weight into
This is low.
4th, the compound ultralow temperature phase change cold accumulating agent for preparing is nonpoisonous and tasteless, safe and reliable.A small amount of intake
Nonhazardous, skin touch-safe, and without blast, inflammable equivalent risk.
5th, the compound ultralow temperature phase change cold accumulating agent environmental protection for preparing.It is environmentally safe, without danger
Evil.
6th, the compound ultralow temperature phase change cold accumulating agent for preparing preserves convenient.Due to not volatile, so
Compared with dry ice, preserve convenient.
7th, the compound ultralow temperature phase change cold accumulating agent air transportation for preparing is unrestricted.It is of the invention compound
Ultralow temperature phase change cold accumulating agent forbids the contraband of transport without aviation due to environmental protection, so
Air transportation is unrestricted.
8th, preparation method is simple, easy to operate.
Brief description of the drawings
Fig. 1 is the work of the preparation method of the compound ultralow temperature phase change cold accumulating agent in the embodiment of the present invention
Skill flow chart.
Specific embodiment
The compound ultralow temperature phase change cold accumulating agent of the present invention is described in further detail below, it should be understood that
, herein further description be used only for explaining related invention, rather than to the limit of the invention
It is fixed.It should be noted that in the case where not conflicting, the feature in being described further below can
To be mutually combined.
Referring to Fig. 1, the preparation method of the compound ultralow temperature phase change cold accumulating agent of the present embodiment, including
Following steps：
Step S10, preparation potassium chloride, sodium chloride, ammonium chloride and water；
Step S20, potassium chloride, sodium chloride are added to the water, stirring and dissolving obtains solution A.
Step S30, heated solution A, add ammonium chloride while stirring, stir, after cooling
To the compound ultralow temperature phase change cold accumulating agent.
Optionally, silica has been additionally added in solution A in the step S30.This composition
Used as anti-cryogen of crossing.When freezing, the nuclei of crystallization are easily formed, efficiency is freezed in quickening.
Optionally, in order to further reduce phase transition temperature and improve latent heat of phase change, each component is in mixing
When match by weight：
8~15 parts of potassium chloride,
6~14 parts of sodium chloride,
8~16 parts of ammonium chloride,
150~170 parts of water.
Optionally, in order to further reduce phase transition temperature and improve latent heat of phase change, each component is in mixing
When match by weight：
10~12 parts of potassium chloride,
8~12 parts of sodium chloride,
10~13 parts of ammonium chloride,
155~165 parts of water.
Optionally, in order to further reduce phase transition temperature and improve latent heat of phase change, each component is in mixing
When match by weight：
8~15 parts of potassium chloride,
6~14 parts of sodium chloride,
8~16 parts of ammonium chloride,
0.1~2 part of silica,
150~170 parts of water.
Optionally, in order to further reduce phase transition temperature and improve latent heat of phase change, each component is in mixing
When match by weight：
10~12 parts of potassium chloride,
8~12 parts of sodium chloride,
10~13 parts of ammonium chloride,
0.5~1.5 part of silica,
155~165 parts of water.
In the present embodiment, optionally, the silica is crystalline silica, fineness 1000
It is more than mesh.
Further, the water is deionized water.The impurity such as chloride ion-containing in the water sources such as running water.
The stability of agent for storage of coldness composition can be ensured using deionized water, and then ensure agent for storage of coldness phase transition temperature
Stability..
The application is described in further detail with reference to specific embodiment.It should be understood that
It is that specific embodiment described herein is used only for explaining related invention, rather than to the invention
Restriction.
Embodiment 1
Step 101：Weigh each component of following weight portion：
8 parts of potassium chloride,
7 parts of sodium chloride,
16 parts of ammonium chloride,
150 parts of water.
Step 102：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 0.5m/s
Under the conditions of, stirring dissolves to obtain solution A 1 after 15 minutes.
Step 103：Heated solution A1 to 50 DEG C, under the conditions of stirring linear velocity 0.5m/s, side
Stirring side adds ammonium chloride by proportioning, stirs, and obtains described compound ultralow after being cooled to 15 DEG C
Warm phase change cold accumulating agent.
Sample phase transition temperature and latent heat of phase change, temperature rate 5 are measured using differential scanning calorimeter
℃/min.Test result is shown in Table 1.
Embodiment 2
Step 201：Weigh each component of following weight portion：
15 parts of potassium chloride,
6 parts of sodium chloride,
10 parts of ammonium chloride,
0.1 part of silica,
155 parts of water.
Step 202：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 3m/s
Under the conditions of, solution A 2 is dissolved to obtain in stirring for 30 minutes.
Step 203：Heated solution A2 to 70 DEG C, under the conditions of stirring linear velocity 3m/s, while stirring
Mix side and add ammonium chloride, silica by proportioning, stir, obtain described after being cooled to 30 DEG C
Compound ultralow temperature phase change cold accumulating agent.
The compound ultralow temperature phase change cold accumulating agent of the present embodiment is tested by the method described in embodiment 1
Phase transition temperature and latent heat of phase change, test result is shown in Table 1.
Embodiment 3
Step 301：Weigh each component of following weight portion：
12 parts of potassium chloride,
8 parts of sodium chloride,
13 parts of ammonium chloride,
2 parts of silica,
165 parts of water.
Step 302：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 1m/s
Under the conditions of, solution A 3 is dissolved to obtain in stirring for 20 minutes.
Step 303：Heated solution A3 to 60 DEG C, under the conditions of stirring linear velocity 1m/s, while stirring
Mix side and add ammonium chloride, silica by proportioning, stir, obtain described after being cooled to 20 DEG C
Compound ultralow temperature phase change cold accumulating agent.
The compound ultralow temperature phase change cold accumulating agent of the present embodiment is tested by the method described in embodiment 1
Phase transition temperature and latent heat of phase change, test result is shown in Table 1.
Embodiment 4
Step 401：Weigh each component of following weight portion：
10 parts of potassium chloride,
12 parts of sodium chloride,
12 parts of ammonium chloride,
0.5 part of silica,
160 parts of water.
Step 402：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 1.5m/s
Under the conditions of, stirring and dissolving obtains solution A 4 in 25 minutes.
Step 403：Heated solution A4 to 55 DEG C, under the conditions of stirring linear velocity 1.5m/s, side
Stirring side adds ammonium chloride, silica by proportioning, stirs, and institute is obtained after being cooled to 25 DEG C
State compound ultralow temperature phase change cold accumulating agent.
The compound ultralow temperature phase change cold accumulating agent of the present embodiment is tested by the method described in embodiment 1
Phase transition temperature and latent heat of phase change, test result is shown in Table 1.
Embodiment 5
Step 501：Weigh each component of following weight portion：
13 parts of potassium chloride,
14 parts of sodium chloride,
8 parts of ammonium chloride,
Silica 1 part,
170 parts of water.
Step 502：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 2.5m/s
Under the conditions of, stirring and dissolving obtains solution A 5 in 15 minutes.
Step 503：Heated solution A5 to 65 DEG C, under the conditions of stirring linear velocity 2.5m/s, side
Stirring side adds ammonium chloride, silica by proportioning, stirs, and institute is obtained after being cooled to 15 DEG C
State compound ultralow temperature phase change cold accumulating agent.
The compound ultralow temperature phase change cold accumulating agent of the present embodiment is tested by the method described in embodiment 1
Phase transition temperature and latent heat of phase change, test result is shown in Table 1.
Embodiment 6
Step 601：Weigh each component of following weight portion：
10 parts of potassium chloride,
10 parts of sodium chloride,
10 parts of ammonium chloride,
Silica 1 .5 parts,
160 parts of water.
Step 602：Potassium chloride, sodium chloride are added to the water by proportioning, in stirring linear velocity 2m/s
Under the conditions of, solution A 6 is dissolved to obtain in stirring for 20 minutes.
Step 603：Heated solution A6 to 55 DEG C, under the conditions of the fast linear velocity 2m/s of stirring, side
Stirring side adds ammonium chloride, silica by proportioning, stirs, and institute is obtained after being cooled to 20 DEG C
State compound ultralow temperature phase change cold accumulating agent.
The compound ultralow temperature phase change cold accumulating agent of the present embodiment is tested by the method described in embodiment 1
Phase transition temperature and latent heat of phase change, test result is shown in Table 1.
Table 1
Above description is only the preferred embodiment of the application and saying to institute's application technology principle
It is bright.It will be appreciated by those skilled in the art that invention scope involved in the application, does not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, while should cover not departing from yet
In the case of the inventive concept, it is combined by above-mentioned technical characteristic or its equivalent feature
And other technical schemes for being formed.Such as features described above and (but not limited to) disclosed herein
The technical scheme that technical characteristic with similar functions is replaced mutually and formed.
Claims (10)
1. a kind of preparation method of compound ultralow temperature phase change cold accumulating agent, it is characterised in that comprise the following steps：
Step S10, preparation potassium chloride, sodium chloride, ammonium chloride and water；
Step S20, potassium chloride, sodium chloride are added to the water, stirring and dissolving obtains solution A；
Step S30, heated solution A, add ammonium chloride while stirring, stir, and the compound ultralow temperature phase change cold accumulating agent is obtained after cooling.
2. the preparation method of compound ultralow temperature phase change cold accumulating agent according to claim 1, it is characterised in that the step of adding silica is additionally included in solution A in the step S30.
3. the preparation method of compound ultralow temperature phase change cold accumulating agent according to claim 1, it is characterised in that each component matches and is by weight in mixing：
8~15 parts of potassium chloride,
6~14 parts of sodium chloride,
8~16 parts of ammonium chloride,
150~170 parts of water.
4. the preparation method of compound ultralow temperature phase change cold accumulating agent according to claim 3, it is characterised in that each component matches and is by weight in mixing：
10~12 parts of potassium chloride,
8~12 parts of sodium chloride,
10~13 parts of ammonium chloride,
155~165 parts of water.
5. the preparation method of compound ultralow temperature phase change cold accumulating agent according to claim 2, it is characterised in that each component matches and is by weight in mixing：
8~15 parts of potassium chloride,
6~14 parts of sodium chloride,
8~16 parts of ammonium chloride,
150~170 parts of water,
0.1~2 part of silica,
155~165 parts of water.
6. the preparation method of compound ultralow temperature phase change cold accumulating agent according to claim 5, it is characterised in that each component matches and is by weight in mixing：
10~12 parts of potassium chloride,
8~12 parts of sodium chloride,
10~13 parts of ammonium chloride,
0.5~1.5 part of silica,
155~165 parts of water.
7. the preparation method of the compound ultralow temperature phase change cold accumulating agent according to claim any one of 2-6, characterized in that, " prepare potassium chloride, sodium chloride, ammonium chloride, silica and water " in the step S10 being specially " preparing and weigh potassium chloride, sodium chloride, ammonium chloride, silica and water ".
8. the preparation method of the compound ultralow temperature phase change cold accumulating agent according to claim any one of 1-6, it is characterised in that in the step S20, linear velocity is 0.5~3m/s during stirring, and mixing time is 10~30 minutes；
And/or, linear velocity is 0.5~3m/s when being stirred in the step S30.
9. the preparation method of the compound ultralow temperature phase change cold accumulating agent according to claim any one of 1-6, it is characterised in that heated solution A is heated solution A to 50~70 DEG C in the step S30.
10. the preparation method of the compound ultralow temperature phase change cold accumulating agent according to claim any one of 1-6, it is characterised in that described to be cooled to be cooled to 15~30 DEG C.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418521A (en) * | 2017-07-11 | 2017-12-01 | 江苏理工学院 | A kind of ternary phase-change material for cold storage and preparation method thereof |
| CN110945101A (en) * | 2017-07-31 | 2020-03-31 | 夏普株式会社 | Latent heat storage material, cold insulation device, refrigerator, logistics packaging container, and cold insulation unit |
| CN111303839A (en) * | 2020-01-24 | 2020-06-19 | 纯钧新材料(深圳)有限公司 | Inorganic phase-change material and preparation method thereof |
| CN113652209A (en) * | 2021-09-27 | 2021-11-16 | 合肥太空方舟科技有限公司 | Phase-change cold storage material capable of controlling phase-change temperature and preparation method thereof |
| CN113667460A (en) * | 2021-09-24 | 2021-11-19 | 北京火狐星云数字科技有限公司 | Inorganic phase-change material 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 |
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| CN103242806A (en) * | 2013-05-08 | 2013-08-14 | 杭州鲁尔能源科技有限公司 | Inorganic salt phase-change cold accumulation material |
| CN103486793A (en) * | 2013-10-11 | 2014-01-01 | 崔德顺 | Production process of low temperature phase change cold accumulation ice box or ice bag |
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| CN1362462A (en) * | 2000-12-30 | 2002-08-07 | 广东科龙电器股份有限公司 | Cold accumulating agent |
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| CN103486793A (en) * | 2013-10-11 | 2014-01-01 | 崔德顺 | Production process of low temperature phase change cold accumulation ice box or ice bag |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418521A (en) * | 2017-07-11 | 2017-12-01 | 江苏理工学院 | A kind of ternary phase-change material for cold storage and preparation method thereof |
| CN110945101A (en) * | 2017-07-31 | 2020-03-31 | 夏普株式会社 | Latent heat storage material, cold insulation device, refrigerator, logistics packaging container, and cold insulation unit |
| CN111303839A (en) * | 2020-01-24 | 2020-06-19 | 纯钧新材料(深圳)有限公司 | Inorganic phase-change material and preparation method thereof |
| CN113136175A (en) * | 2020-01-24 | 2021-07-20 | 纯钧新材料(深圳)有限公司 | Preparation method of inorganic phase change material as coolant |
| CN113185952A (en) * | 2020-01-24 | 2021-07-30 | 纯钧新材料(深圳)有限公司 | Inorganic phase change materials as coolants |
| CN113667460A (en) * | 2021-09-24 | 2021-11-19 | 北京火狐星云数字科技有限公司 | Inorganic phase-change material and preparation method thereof |
| CN113652209A (en) * | 2021-09-27 | 2021-11-16 | 合肥太空方舟科技有限公司 | Phase-change cold storage material capable of controlling phase-change temperature 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 |
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Effective date of registration: 20190527 Address after: 518000 Guangdong Province Nanshan District Yuehai Street Coastal Community High-tech Nanshidao 81, 83, 85 Software Industry Base 1 B1002 Applicant after: Shunqihe (Shenzhen) Technology Co., Ltd. Address before: 518128 No. 1111, No. 4 Road, Baoan International Airport Terminal, Shenzhen City, Guangdong Province Applicant before: SF EXPRESS CO., LTD. |
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Application publication date: 20170707 |