CN105778870A - Mixed molten salt heat conduction and storage medium and preparation method thereof - Google Patents
Mixed molten salt heat conduction and storage medium and preparation method thereof Download PDFInfo
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- CN105778870A CN105778870A CN201610261741.4A CN201610261741A CN105778870A CN 105778870 A CN105778870 A CN 105778870A CN 201610261741 A CN201610261741 A CN 201610261741A CN 105778870 A CN105778870 A CN 105778870A
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- 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
- C09K5/12—Molten materials, i.e. materials solid at room temperature, e.g. metals or salts
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Abstract
The invention discloses a mixed molten salt heat conduction and storage medium and a preparation method thereof. The mixed molten salt heat conduction and storage medium is prepared from the following raw materials in parts by weight: 5-15 parts of lithium chloride, 30-50 parts of sodium chloride, 20-40 parts of potassium chloride, 10-30 parts of calcium chloride, 3-7 parts of zinc carbonate, 3-7 parts of magnesium carbonate and 0.6-1.6 parts of nanocrystalline metal oxides. The mixed molten salt heat conduction and storage medium disclosed by the invention is low in preparation cost and simple in preparation process. The mixed molten salt disclosed by the invention is very stable in thermophysical property and has the advantages of high heat conduction coefficient, high working temperature, slight corrosion, low steam pressure, environmental friendliness, good security and the like. The mixed molten salt heat conduction and storage medium can effectively improve the heat storage capacity and the heat conduction efficiency of a system and lower the solar thermal power generation and industrial heat storage cost, and is wide in application range.
Description
Technical field
The present invention relates to energy storage material fused salt mixt field, particularly relate to a kind of fused salt mixt heat transfer heat storage medium and system thereof
Preparation Method.
Background technology
The energy is the basis that the mankind depend on for existence, is the pillar of national economy and social development, be also economical and society to
The guarantee of front development.Along with the progress of mankind's technology, expanding economy, the mankind are increasing to the demand of the energy.As mistake
Remove the conventional energy resource that the mankind rely primarily on for a long time, but the yield increasing storage capacity but day of coal, oil and natural gas
Benefit reduces so that following utilization of energy situation becomes the most nervous.Meanwhile, inevitable during utilizing conventional energy resource
Bring the pollution to environment, affect the mankind living environment and destroy the Nature ecological balance.Environment and energy problem are
Through becoming the two big subject matters that the world today pays close attention to.
Solar energy thermal-power-generating is the big event in Solar use, and it is most possibly with wind-power electricity generation, hydroelectric generation one
Sample produces a large amount of electric energy that can compete mutually with Fossil fuel it is considered to be in renewable energy power generation the most promising
Electrically.Therefore, heat transfer hold over system is connected to absorption solar energy and changes the link that solar energy is electric energy, and heat transfer accumulation of heat is too
Key link in sun energy heat generating system is extremely important.Wherein, fuse salt as heat transfer heat storage medium owing to it is relative to leading
Deep fat and other media have advantage clearly, receive the attention of countries in the world research institution.Fuse salt is ion melt.Molten
The maximum feature melting salt is ion melt, forms the liquid of fuse salt by anion and cation composition, alkali halide shape
Become simple ion melt, and bivalence or Tricationic or complicated anion such as nitrate ion, carbanion and sulfur
Acid ion the most easily forms the complex ion of complexity.Owing to being ion melt, therefore fuse salt has good electric conductivity,
Its conductivity compares electrolyte solution.
The invention provides a kind of fused salt mixt heat transfer heat storage medium, specific heat is high, fusing point is low, thermal conductivity is low.
Summary of the invention
For above-mentioned deficiency present in prior art, one of the technical problem to be solved is to provide a kind of mixed
Close Molten Salt Heat Transfer heat storage medium.
The two of the technical problem to be solved are to provide the preparation method of a kind of fused salt mixt heat transfer heat storage medium.
The present invention seeks to be achieved through the following technical solutions:
A kind of fused salt mixt heat transfer heat storage medium, is prepared from by the raw material of following weight parts: lithium chloride 5-15 part, chlorination
Sodium 30-50 part, potassium chloride 20-40 part, calcium chloride 10-30 part, zinc carbonate 3-7 part, magnesium carbonate 3-7 part, nano-metal-oxide
0.6-1.6 part.
Preferably, described nano-metal-oxide is one or more in manganese oxide, chromic oxide, zirconium dioxide
Mixture.
It is highly preferred that described nano-metal-oxide is mixed by manganese oxide, chromic oxide, zirconium dioxide, institute
State manganese oxide, chromic oxide, zirconium dioxide mass ratio for (1-3): (1-3): (1-3).
Present invention also offers the preparation method of above-mentioned fused salt mixt heat transfer heat storage medium, by lithium chloride, sodium chloride, chlorination
Potassium, calcium chloride, zinc carbonate, magnesium carbonate are put into and are heated to molten condition in Muffle furnace, add nano-metal-oxide, and stirring is all
Even, cooling.
Concrete, in the present invention:
Potassium chloride, No. CAS: No. CAS: 7447-40-7.
Lithium chloride, No. CAS: 7447-41-8.
Calcium chloride, No. CAS: 22691-02-7.
Sodium chloride, No. CAS: 7647-14-5.
Zinc carbonate, No. CAS: 3486-35-9.
Magnesium carbonate, No. CAS: 13717-00-5.
Manganese oxide, molecular formula: Mn2O3, No. CAS: 1317-34-6, particle diameter 20-40nm.
Chromic oxide, No. CAS: 1308-38-9, particle diameter 20-40nm.
Zirconium dioxide, No. CAS: 1314-23-4, particle diameter 20-40nm.
One fused salt mixt of the present invention heat transfer heat storage medium, preparation low cost, preparing process are simple.The mixing of the present invention is melted
Salt hot physical property performance is highly stable, have that heat transfer coefficient is high, operating temperature high, corrosivity is little, steam pressure is low, environmental friendliness,
The advantages such as safety is good.The present invention can effectively strengthen system heat storage capacity and heat transfer efficiency, reduces solar energy thermal-power-generating and industry
Accumulation of heat cost, has wide range of applications.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, the following stated, is only the preferable enforcement to the present invention
Example, not does the restriction of other forms to the present invention, and any those skilled in the art are possibly also with the disclosure above
Technology contents be changed to the Equivalent embodiments that changes on an equal basis.Every without departing from the present invention program content, according to the present invention
Technical spirit any simple modification that following example are done or equivalent variations, all fall within protection scope of the present invention.
Embodiment 1
Weigh each raw material (weight portion): lithium chloride 10 parts, 40 parts of sodium chloride, 30 parts of potassium chloride, 20 parts of calcium chloride, zinc carbonate
5 parts, magnesium carbonate 5 parts, nano-metal-oxide 0.9 part.
Described nano-metal-oxide is mixed for 1:1:1 stirring in mass ratio by manganese oxide, chromic oxide, zirconium dioxide
Close and uniformly obtain.
Prepared by fused salt mixt heat transfer heat storage medium:
Put in Muffle furnace after lithium chloride, sodium chloride, potassium chloride, calcium chloride, zinc carbonate, magnesium carbonate are uniformly mixed
Being heated to molten condition, add nano-metal-oxide, use magnetic stirring apparatus, rotating speed is 400 revs/min, stirs mixing in 1 hour
Uniformly, 25 it are cooled toObtain the fused salt mixt heat transfer heat storage medium of embodiment 1.
Embodiment 2
Weigh each raw material (weight portion): lithium chloride 10 parts, 40 parts of sodium chloride, 30 parts of potassium chloride, 20 parts of calcium chloride, zinc carbonate
10 parts, nano-metal-oxide 0.9 part.
Described nano-metal-oxide is mixed for 1:1:1 stirring in mass ratio by manganese oxide, chromic oxide, zirconium dioxide
Close and uniformly obtain.
Prepared by fused salt mixt heat transfer heat storage medium:
Put in Muffle furnace after lithium chloride, sodium chloride, potassium chloride, calcium chloride, zinc carbonate are uniformly mixed and be heated to
Molten condition, adds nano-metal-oxide, uses magnetic stirring apparatus, and rotating speed is 400 revs/min, stirs 1 hour mix homogeneously.
Obtain the fused salt mixt heat transfer heat storage medium of embodiment 2.
Embodiment 3
Weigh each raw material (weight portion): lithium chloride 10 parts, 40 parts of sodium chloride, 30 parts of potassium chloride, 20 parts of calcium chloride, magnesium carbonate
10 parts, nano-metal-oxide 0.9 part.
Described nano-metal-oxide is mixed for 1:1:1 stirring in mass ratio by manganese oxide, chromic oxide, zirconium dioxide
Close and uniformly obtain.
Prepared by fused salt mixt heat transfer heat storage medium:
Put in Muffle furnace after lithium chloride, sodium chloride, potassium chloride, calcium chloride, magnesium carbonate are uniformly mixed and be heated to
Molten condition, adds nano-metal-oxide, uses magnetic stirring apparatus, and rotating speed is 400 revs/min, stirs 1 hour mix homogeneously.
Obtain the fused salt mixt heat transfer heat storage medium of embodiment 3.
Embodiment 4
Proportioning raw materials and method by embodiment 1 prepare fused salt mixt heat transfer heat storage medium, differ only in: described receives
Rice metal-oxide is uniformly mixed for 1:1 in mass ratio by chromic oxide, zirconium dioxide and obtains.Obtain embodiment 4
Fused salt mixt heat transfer heat storage medium.
Embodiment 5
Proportioning raw materials and method by embodiment 1 prepare fused salt mixt heat transfer heat storage medium, differ only in: described receives
Rice metal-oxide is uniformly mixed for 1:1 in mass ratio by manganese oxide, zirconium dioxide and obtains.Obtain the mixing of embodiment 5
Molten Salt Heat Transfer heat storage medium.
Embodiment 6
Proportioning raw materials and method by embodiment 1 prepare fused salt mixt heat transfer heat storage medium, differ only in: described receives
Rice metal-oxide is uniformly mixed for 1:1 in mass ratio by manganese oxide, chromic oxide and obtains.Obtain the mixed of embodiment 6
Close Molten Salt Heat Transfer heat storage medium.
Test case 1
The fused salt mixt heat transfer fusing point of heat storage medium, decomposition temperature, the specific heat that prepare embodiment 1-6 are surveyed
Examination.
Use the fusing point of DSC (differential canning calorimetry) test analysis low-melting-point nano fused salt, by TG (thermogravimetric) point
Analyse its decomposition temperature, use DIN51007 standard method to analyze its specific heat.
Concrete outcome is shown in Table 1.
Table 1: test result table
| Fusing point, DEG C | Decomposition temperature, DEG C | Specific heat, J/ (g k) | |
| Embodiment 1 | 127.1 | 589 | 2.4 |
| Embodiment 2 | 131.7 | 584 | 1.9 |
| Embodiment 3 | 133.2 | 582 | 2.1 |
| Embodiment 4 | 131.4 | 586 | 1.8 |
| Embodiment 5 | 134.8 | 583 | 2.0 |
| Embodiment 6 | 132.5 | 582 | 1.8 |
By upper table data it is evident that fusing point of the present invention is low, decomposition temperature is high, specific heat is high.
Comparing embodiment 1 and embodiment 2-3, embodiment 1 (zinc carbonate, magnesium carbonate are compounding) specific heat is apparently higher than embodiment 2-
3 (single raw materials in zinc carbonate, magnesium carbonate).
Comparing embodiment 1 and embodiment 4-6, embodiment 1 (manganese oxide, chromic oxide, zirconium dioxide are compounding) specific heat is bright
Aobvious higher than embodiment 4-6 (in manganese oxide, chromic oxide, zirconium dioxide, arbitrarily the two is compounding).
Claims (4)
1. a fused salt mixt heat transfer heat storage medium, it is characterised in that be prepared from by the raw material of following weight parts: lithium chloride 5-
15 parts, sodium chloride 30-50 part, potassium chloride 20-40 part, calcium chloride 10-30 part, zinc carbonate 3-7 part, magnesium carbonate 3-7 part, nanometer gold
Belong to oxide 0.6-1.6 part.
2. fused salt mixt heat transfer heat storage medium as claimed in claim 1, it is characterised in that described nano-metal-oxide is
The mixture of one or more in manganese oxide, chromic oxide, zirconium dioxide.
3. fused salt mixt heat transfer heat storage medium as claimed in claim 2, it is characterised in that described nano-metal-oxide by
Manganese oxide, chromic oxide, zirconium dioxide mix, and described manganese oxide, chromic oxide, the mass ratio of zirconium dioxide are
(1-3): (1-3): (1-3).
4. the preparation method of the fused salt mixt heat transfer heat storage medium as described in any one of claim 1-3, it is characterised in that by chlorine
Change lithium, sodium chloride, potassium chloride, calcium chloride, zinc carbonate, magnesium carbonate are put into and are heated to molten condition in Muffle furnace, add nanometer gold
Belong to oxide, stir, cooling.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590547A (en) * | 2016-12-14 | 2017-04-26 | 中国科学院上海应用物理研究所 | Chromium-containing corrosion inhibition fused salt and preparation process thereof |
| WO2017217390A1 (en) * | 2016-06-16 | 2017-12-21 | 綜研テクニックス株式会社 | Molten salt-type heat medium, method for using molten salt-type heat medium and solar heat utilization system |
| CN108728048A (en) * | 2018-04-23 | 2018-11-02 | 长沙理工大学 | A kind of ternary eutectic chlorate heat transfer heat-storing material and its preparation method and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289612A (en) * | 2008-04-23 | 2008-10-22 | 广东宏达工贸集团有限公司 | Carbonate molten heat transmission and thermal storage medium, preparation thereof and applications |
| CN103756647A (en) * | 2014-01-25 | 2014-04-30 | 西安科技大学 | Particle-molten salt compound heat-transferring and heat-accumulating medium material and preparation method thereof |
| CN103897668A (en) * | 2014-03-31 | 2014-07-02 | 武汉理工大学 | Carbonate-based high-temperature heat-transfer material and preparation method thereof |
| CN103911120A (en) * | 2013-12-26 | 2014-07-09 | 深圳市爱能森科技有限公司 | Quartz sand-molten carbonate composite heat-transfer heat-storage medium and preparation method thereof |
| CN103923619A (en) * | 2013-12-26 | 2014-07-16 | 深圳市爱能森科技有限公司 | Molten nano-carbonate heat transfer and accumulation medium, and preparation method and application thereof |
| CN103965838A (en) * | 2014-05-13 | 2014-08-06 | 武汉理工大学 | High-temperature phase-change heat storage material and preparation method thereof |
| CN104479645A (en) * | 2014-11-15 | 2015-04-01 | 北京工业大学 | Mixed carbonate heat transfer and heat storage working medium |
-
2016
- 2016-04-25 CN CN201610261741.4A patent/CN105778870A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289612A (en) * | 2008-04-23 | 2008-10-22 | 广东宏达工贸集团有限公司 | Carbonate molten heat transmission and thermal storage medium, preparation thereof and applications |
| CN103911120A (en) * | 2013-12-26 | 2014-07-09 | 深圳市爱能森科技有限公司 | Quartz sand-molten carbonate composite heat-transfer heat-storage medium and preparation method thereof |
| CN103923619A (en) * | 2013-12-26 | 2014-07-16 | 深圳市爱能森科技有限公司 | Molten nano-carbonate heat transfer and accumulation medium, and preparation method and application thereof |
| CN103756647A (en) * | 2014-01-25 | 2014-04-30 | 西安科技大学 | Particle-molten salt compound heat-transferring and heat-accumulating medium material and preparation method thereof |
| CN103897668A (en) * | 2014-03-31 | 2014-07-02 | 武汉理工大学 | Carbonate-based high-temperature heat-transfer material and preparation method thereof |
| CN103965838A (en) * | 2014-05-13 | 2014-08-06 | 武汉理工大学 | High-temperature phase-change heat storage material and preparation method thereof |
| CN104479645A (en) * | 2014-11-15 | 2015-04-01 | 北京工业大学 | Mixed carbonate heat transfer and heat storage working medium |
Non-Patent Citations (4)
| Title |
|---|
| Y. CASTRILLEJO: "Solubilization of rare earth oxides in the eutectic LiCl /KCl mixture at 450℃ and in the equimolar CaCl2 /NaCl melt at 550℃", 《JOURNAL OF ELECTROANALYTICAL CHEMISTRY》 * |
| ZHANG JIAN: "Application of annexation principle to the study of thermodynamic properties of ternary molten salts CaCl2-MgCl2-NaCl", 《RARE METALS》 * |
| 李瑞青等: "NaCl-CaCl2-BaCl2和NaCl-KCl-BaCl2三元熔盐相图的计算", 《化工冶金》 * |
| 邹立清: "四元混合硝酸盐及氯盐的优选与腐蚀性研究", 《广东工业大学硕士学位论文》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017217390A1 (en) * | 2016-06-16 | 2017-12-21 | 綜研テクニックス株式会社 | Molten salt-type heat medium, method for using molten salt-type heat medium and solar heat utilization system |
| CN106590547A (en) * | 2016-12-14 | 2017-04-26 | 中国科学院上海应用物理研究所 | Chromium-containing corrosion inhibition fused salt and preparation process thereof |
| CN106590547B (en) * | 2016-12-14 | 2019-12-03 | 上海联和日环能源科技有限公司 | A kind of inhibition fused salt and its preparation process containing chromium |
| CN108728048A (en) * | 2018-04-23 | 2018-11-02 | 长沙理工大学 | A kind of ternary eutectic chlorate heat transfer heat-storing material and its preparation method and application |
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Application publication date: 20160720 |