CN107163916A - A kind of idle call agent for storage of coldness and preparation method thereof - Google Patents
A kind of idle call agent for storage of coldness and preparation method thereof Download PDFInfo
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- CN107163916A CN107163916A CN201710433291.7A CN201710433291A CN107163916A CN 107163916 A CN107163916 A CN 107163916A CN 201710433291 A CN201710433291 A CN 201710433291A CN 107163916 A CN107163916 A CN 107163916A
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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 discloses a kind of idle call agent for storage of coldness and preparation method thereof, the agent for storage of coldness includes the raw material of following parts by weight：20 30 parts of wheaten starch, 30 40 parts of polyvinyl alcohol, 38 parts of sodium metaphosphate, 10 18 parts of maltodextrin, 5 12 parts of potassium chloride, 39 parts of diatomite, 15 parts of ammonium sulfate, 25 40 parts of absolute ethyl alcohol, 30 50 parts of antifreeze, 13 parts of thickener, 80 100 parts of deionized water.Preparation method is that wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed into reaction, add sodium metaphosphate, reactant and diatomite, ammonium sulfate, absolute ethyl alcohol hybrid reaction, it is filtered under diminished pressure, dry dried object, the idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.The agent for storage of coldness latent heat of phase change value of the present invention is higher, improves the evaporating temperature and refrigerating efficiency of refrigeration unit, reduces the cost of cold-storage product.
Description
Technical field
The present invention relates to Technology of Cold Storage Air Conditions field, and in particular to a kind of idle call agent for storage of coldness and preparation method thereof.
Background technology
The power consumption of air-conditioning system is big, and focuses mostly on the peak times of power consumption daytime or night, gives power network Peak power use band
Carry out immense pressure.Technology of Cold Storage Air Conditions can realize electricity consumption low peak period cold-storage, and peak period is let cool, and be power network peak load shifting；Also may be used
Night storage is put with daytime, reduces refrigeration plant capacity, improves refrigerator operational efficiency.Therefore, Cool Storage Technology is to realize that power network is taped the latent power, adjusted
The practical measures of lotus economize on electricity.
At present, prior art uses ice as the cool storage medium of air-conditioning refrigerating mostly, and ice cold-storage energy-flux density is big, technology
It is required that it is low, have the disadvantage that ice making temperature is low, cause the evaporating temperature of refrigeration unit too low, refrigerating efficiency declines.In addition, it is many from
Core type refrigeration unit can not be run under the evaporating temperature of ice cold-storage, increase the cost of adjustment refrigeration system.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of idle call agent for storage of coldness and preparation method thereof,
The agent for storage of coldness latent heat of phase change value is higher, improves the evaporating temperature and refrigerating efficiency of refrigeration unit, reduce cold-storage product into
This.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：20-30 parts of wheaten starch, 30-40 parts of polyvinyl alcohol, partially
3-8 parts of sodium phosphate, 10-18 parts of maltodextrin, 5-12 parts of potassium chloride, 3-9 parts of diatomite, 1-5 parts of ammonium sulfate, absolute ethyl alcohol 25-
40 parts, 30-50 parts of antifreeze, 1-3 parts of thickener, 80-100 parts of deionized water.
Further, the agent for storage of coldness includes the raw material of following parts by weight：25 parts of wheaten starch, 36 parts of polyvinyl alcohol, partially
5 parts of sodium phosphate, 13 parts of maltodextrin, 6 parts of potassium chloride, 8 parts of diatomite, 4 parts of ammonium sulfate, 32 parts of absolute ethyl alcohol, 40 parts of antifreeze,
2 parts of thickener, 85 parts of deionized water.
Further, the agent for storage of coldness includes the raw material of following parts by weight：28 parts of wheaten starch, 32 parts of polyvinyl alcohol, partially
3 parts of sodium phosphate, 16 parts of maltodextrin, 7 parts of potassium chloride, 5 parts of diatomite, 3 parts of ammonium sulfate, 36 parts of absolute ethyl alcohol, 45 parts of antifreeze,
1 part of thickener, 90 parts of deionized water.
Further, the antifreeze is the one or more in ethylene glycol, propane diols, glycerine.
Further, the thickener is in hydroxypropyl methyl cellulose, sodium carboxymethylcellulose, hydroxyethyl cellulose
It is one or more.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 70-80 DEG C is reacted 2.5-3 hours, then is added
Enter sodium metaphosphate, continue stirring reaction 30-40min, 20-30min is stood at room temperature stand-by；
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 50-55 DEG C of stirring reaction
After 20-30min, thickener is added, 80-85 DEG C of back flow reaction is warming up to 3-4 hours；
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then is filtered under diminished pressure,
Filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, after dried object is mixed with deionized water, potassium chloride normal temperature
Obtain the idle call agent for storage of coldness.
Further, the step（1）Reactant is put into 45-50 DEG C of oven drying 20-30min after standing.
Further, the step（2）Back flow reaction is carried out using the return duct for being passed through ice ethanol.
Further, the step（3）Dried object crushed by pulverizer, cross 80-100 mesh sieves after again with deionized water,
Potassium chloride is mixed.
Compared with prior art, the present invention has following beneficial effect：
1. the idle call agent for storage of coldness latent heat of phase change value of the present invention is higher, chemical stability is good, and preparation method is simple, melting range
Width, with larger flexibility and adaptability, improves the evaporating temperature and refrigerating efficiency of refrigeration unit, reduces cold-storage product
Cost, it is adaptable to closed container formula cold-storage device such as air-conditioning, refrigerator.
2. the present invention idle call agent for storage of coldness composition in, wheaten starch safety and environmental protection, be industrially conventional gelling agent,
Stabilizer；Polyvinyl alcohol has good biological film forming, is a kind of conventional film forming agent；Maltodextrin filling effect is good, no
The easy moisture absorption, thickening property is strong, carrier-mediated good, it is difficult to rotten；The consumption of diatomite and potassium chloride, which changes, can adjust the agent for storage of coldness
Transition temperature range.
3. the idle call agent for storage of coldness of the present invention, can solidify in electricity consumption ebb when air conditioner refrigerating device works, and in electricity consumption
Peak absorbs heat and melted, and reduces coolant temperature, refrigeration duty is collectively or individually undertaken with air-conditioning to reach, completes to supply
Cold mission.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：25 parts of wheaten starch, 36 parts of polyvinyl alcohol, sodium metaphosphate 5
Part, 13 parts of maltodextrin, 6 parts of potassium chloride, 8 parts of diatomite, 4 parts of ammonium sulfate, 32 parts of absolute ethyl alcohol, 40 parts of antifreeze ethylene glycol,
2 parts of thickener sodium carboxymethylcellulose, 85 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 70 DEG C are reacted 3 hours, add metaphosphoric acid
Sodium, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 50 DEG C of stirring reactions
After 30min, thickener is added, 80 DEG C are warming up to, use the return duct back flow reaction 4 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
Embodiment 2.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：28 parts of wheaten starch, 32 parts of polyvinyl alcohol, sodium metaphosphate 3
Part, 16 parts of maltodextrin, 7 parts of potassium chloride, 5 parts of diatomite, 3 parts of ammonium sulfate, 36 parts of absolute ethyl alcohol, 45 parts of antifreeze glycerine,
1 part of thickener sodium carboxymethylcellulose, 90 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 75 DEG C are reacted 2.6 hours, add inclined phosphorus
Sour sodium, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 52 DEG C of stirring reactions
After 25min, thickener is added, 83 DEG C are warming up to, use the return duct back flow reaction 3.6 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
Embodiment 3.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：20 parts of wheaten starch, 35 parts of polyvinyl alcohol, sodium metaphosphate 5
Part, 12 parts of maltodextrin, 10 parts of potassium chloride, 8 parts of diatomite, 3 parts of ammonium sulfate, 32 parts of absolute ethyl alcohol, 46 parts of antifreeze propane diols,
1 part of thickener sodium carboxymethylcellulose, 93 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 78 DEG C are reacted 2.5 hours, add inclined phosphorus
Sour sodium, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 55 DEG C of stirring reactions
After 20min, thickener is added, 80 DEG C are warming up to, use the return duct back flow reaction 3.8 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
Embodiment 4.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：28 parts of wheaten starch, 34 parts of polyvinyl alcohol, sodium metaphosphate 4
Part, 15 parts of maltodextrin, 7 parts of potassium chloride, 8 parts of diatomite, 3 parts of ammonium sulfate, 32 parts of absolute ethyl alcohol, 46 parts of antifreeze ethylene glycol,
2 parts of thickener sodium carboxymethylcellulose, 88 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 80 DEG C are reacted 2.5 hours, are added partially
Sodium phosphate, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 55 DEG C of stirring reactions
After 20min, thickener is added, 85 DEG C are warming up to, use the return duct back flow reaction 3 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
Embodiment 5.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：28 parts of wheaten starch, 37 parts of polyvinyl alcohol, sodium metaphosphate 5
Part, 18 parts of maltodextrin, 12 parts of potassium chloride, 5 parts of diatomite, 3 parts of ammonium sulfate, 33 parts of absolute ethyl alcohol, 49 parts of antifreeze glycerine,
3 parts of thickener hydroxyethyl cellulose, 100 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 70 DEG C are reacted 3 hours, add metaphosphoric acid
Sodium, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 50 DEG C of stirring reactions
After 20min, thickener is added, 80 DEG C are warming up to, use the return duct back flow reaction 3 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
Embodiment 6.
A kind of idle call agent for storage of coldness, includes the raw material of following parts by weight：30 parts of wheaten starch, 40 parts of polyvinyl alcohol, sodium metaphosphate 7
Part, 16 parts of maltodextrin, 12 parts of potassium chloride, 8 parts of diatomite, 4 parts of ammonium sulfate, 40 parts of absolute ethyl alcohol, 42 parts of antifreeze propane diols,
1 part of thickener hydroxyethyl cellulose, 98 parts of deionized water.
The preparation method of above-mentioned idle call agent for storage of coldness, comprises the following steps：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 80 DEG C are reacted 2.5 hours, add inclined phosphorus
Sour sodium, continues stirring reaction 30-40min, 20-30min is stood at room temperature, 45-50 DEG C of oven drying 20-30min is put into.
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 50 DEG C of stirring reactions
After 20min, thickener is added, 85 DEG C are warming up to, use the return duct back flow reaction 3 hours for being passed through ice ethanol.
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then depressurized
Filter, filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, and dried object is crushed using pulverizer, crossed after 80-100 mesh sieves
The idle call agent for storage of coldness is obtained after being mixed with deionized water, potassium chloride normal temperature.
The potential heat value and transition temperature range of above-described embodiment 1-6 agent for storage of coldness prepared are measured, concrete outcome
It see the table below.
The potential heat value of table 1. and transition temperature range
| Embodiment | Potential heat value（J/g） | Transition temperature range（℃） |
| 1 | 368 | 13 |
| 2 | 363 | 13 |
| 3 | 352 | 10 |
| 4 | 354 | 11 |
| 5 | 349 | 9 |
| 6 | 337 | 9 |
As can be seen from Table 1, agent for storage of coldness potential heat value of the invention and transition temperature range are larger, improve the evaporation of refrigeration unit
Temperature and refrigerating efficiency, reduce the cost of cold-storage product, it is adaptable to closed container formula cold-storage device such as air-conditioning, refrigerator.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, also should be regarded as the present invention
Protection domain.
Claims (9)
1. a kind of idle call agent for storage of coldness, it is characterised in that include the raw material of following parts by weight：20-30 parts of wheaten starch, polyethylene
30-40 parts of alcohol, 3-8 parts of sodium metaphosphate, 10-18 parts of maltodextrin, 5-12 parts of potassium chloride, 3-9 parts of diatomite, 1-5 parts of ammonium sulfate,
25-40 parts of absolute ethyl alcohol, 30-50 parts of antifreeze, 1-3 parts of thickener, 80-100 parts of deionized water.
2. idle call agent for storage of coldness according to claim 1, it is characterised in that the agent for storage of coldness includes the original of following parts by weight
Material：25 parts of wheaten starch, 36 parts of polyvinyl alcohol, 5 parts of sodium metaphosphate, 13 parts of maltodextrin, 6 parts of potassium chloride, 8 parts of diatomite, sulphur
Sour 4 parts of ammonium, 32 parts of absolute ethyl alcohol, 40 parts of antifreeze, 2 parts of thickener, 85 parts of deionized water.
3. idle call agent for storage of coldness according to claim 1, it is characterised in that the agent for storage of coldness includes the original of following parts by weight
Material：28 parts of wheaten starch, 32 parts of polyvinyl alcohol, 3 parts of sodium metaphosphate, 16 parts of maltodextrin, 7 parts of potassium chloride, 5 parts of diatomite, sulphur
Sour 3 parts of ammonium, 36 parts of absolute ethyl alcohol, 45 parts of antifreeze, 1 part of thickener, 90 parts of deionized water.
4. idle call agent for storage of coldness according to claim 1, it is characterised in that the antifreeze is ethylene glycol, propane diols, third
One or more in triol.
5. idle call agent for storage of coldness according to claim 1, it is characterised in that the thickener is hydroxypropyl methyl fiber
One or more in element, sodium carboxymethylcellulose, hydroxyethyl cellulose.
6. the preparation method of the idle call agent for storage of coldness according to claim 1-5 any one, it is characterised in that including as follows
Step：
（1）Wheaten starch, polyvinyl alcohol, maltodextrin, antifreeze are mixed, 70-80 DEG C is reacted 2.5-3 hours, then is added
Enter sodium metaphosphate, continue stirring reaction 30-40min, 20-30min is stood at room temperature stand-by；
（2）By step（1）Reactant, diatomite, ammonium sulfate, absolute ethyl alcohol mixing, nitrogen protection, in 50-55 DEG C of stirring reaction
After 20-30min, thickener is added, 80-85 DEG C of back flow reaction is warming up to 3-4 hours；
（3）After above-mentioned reaction terminates, room temperature is naturally cooled to, is placed in 3-5 DEG C of refrigerating chamber 8-10 hours, then is filtered under diminished pressure,
Filter cake is placed in 60-70 DEG C of oven drying and obtains within 3-5 hours dried object, after dried object is mixed with deionized water, potassium chloride normal temperature
Obtain the idle call agent for storage of coldness.
7. the preparation method of idle call agent for storage of coldness according to claim 6, it is characterised in that the step（1）Reactant
45-50 DEG C of oven drying 20-30min is put into after standing.
8. the preparation method of idle call agent for storage of coldness according to claim 6, it is characterised in that the step（2）Using logical
The return duct for entering ice ethanol carries out back flow reaction.
9. the preparation method of idle call agent for storage of coldness according to claim 6, it is characterised in that the step（3）Dried object
Mixed again with deionized water, potassium chloride after pulverizer is crushed, crosses 80-100 mesh sieves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433291.7A CN107163916A (en) | 2017-06-09 | 2017-06-09 | A kind of idle call agent for storage of coldness and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433291.7A CN107163916A (en) | 2017-06-09 | 2017-06-09 | A kind of idle call agent for storage of coldness and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107163916A true CN107163916A (en) | 2017-09-15 |
Family
ID=59825013
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| CN201710433291.7A Withdrawn CN107163916A (en) | 2017-06-09 | 2017-06-09 | A kind of idle call agent for storage of coldness and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357344A (en) * | 2018-10-30 | 2019-02-19 | 佛山市南海佰什特通用设备有限公司 | A kind of air-cooled Cool-water Machine for Industry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827588A (en) * | 2012-09-19 | 2012-12-19 | 杨宁 | Energy-saving temperature-control phase-change material |
| CN104087253A (en) * | 2014-07-11 | 2014-10-08 | 北京博润佳科技有限公司 | Coolant for ice bag |
| CN106478885A (en) * | 2016-10-11 | 2017-03-08 | 常州市鼎升环保科技有限公司 | A kind of preparation method of environment-friendly type agent for storage of coldness |
-
2017
- 2017-06-09 CN CN201710433291.7A patent/CN107163916A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827588A (en) * | 2012-09-19 | 2012-12-19 | 杨宁 | Energy-saving temperature-control phase-change material |
| CN104087253A (en) * | 2014-07-11 | 2014-10-08 | 北京博润佳科技有限公司 | Coolant for ice bag |
| CN106478885A (en) * | 2016-10-11 | 2017-03-08 | 常州市鼎升环保科技有限公司 | A kind of preparation method of environment-friendly type agent for storage of coldness |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357344A (en) * | 2018-10-30 | 2019-02-19 | 佛山市南海佰什特通用设备有限公司 | A kind of air-cooled Cool-water Machine for Industry |
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Application publication date: 20170915 |