CN101974313A - Phase change thermal storage material and manufacturing method thereof - Google Patents
Phase change thermal storage material and manufacturing method thereof Download PDFInfo
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- CN101974313A CN101974313A CN2010102909947A CN201010290994A CN101974313A CN 101974313 A CN101974313 A CN 101974313A CN 2010102909947 A CN2010102909947 A CN 2010102909947A CN 201010290994 A CN201010290994 A CN 201010290994A CN 101974313 A CN101974313 A CN 101974313A
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- 230000008859 change Effects 0.000 title claims abstract description 31
- 239000011232 storage material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 33
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001868 water Inorganic materials 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000292 calcium oxide Substances 0.000 claims abstract description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 13
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001950 potassium oxide Inorganic materials 0.000 claims abstract description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 13
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001948 sodium oxide Inorganic materials 0.000 claims abstract description 13
- 239000011787 zinc oxide Substances 0.000 claims abstract description 13
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005338 heat storage Methods 0.000 claims description 26
- 230000009466 transformation Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- 239000012071 phase Substances 0.000 description 37
- 239000012782 phase change material Substances 0.000 description 23
- 238000009825 accumulation Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
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- 239000000956 alloy Chemical class 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The invention discloses a phase change thermal storage material and a manufacturing method thereof. The material is formed by the way that 40-45wt% of silicon oxide, 9-11wt% of aluminium oxide, 0.06-0.3wt% of ferric oxide, 0.2-0.5wt% of calcium oxide, 0.05-0.4wt% of magnesium oxide, 3-4wt% of potassium oxide, 3-5wt% of sodium oxide and 6-11wt% of zinc oxide are uniformly ground and then are uniformly mixed with 22.8-38.69wt% of water.
Description
Technical field
The present invention relates to a kind of phase change heat storage material and manufacture method thereof, be specifically related to a kind of inorganic-phase variable heat-storing material and manufacture method thereof.
Background technology
Heat storage technology is to improve the heat energy utilization rate, solve the important technology when using heat asynchronous with heat supply, can satisfy the important step in the field of various energy resources needs, heat storage technology is widely used, not only can be used for waste heat recovery, air-conditioning accumulation of heat, power peak regulation, and can be used for the discontinuous energy (wind energy, sun power etc.) and turn to and continue energy aspect.Use this technology capable of reducing energy consumption, save working cost, realize the efficient and rational utilization of energy.
Phase change material has the ability that changes its physical condition in certain temperature range.With the solid-liquid phase change is example, when being heated to temperature of fusion, just produces the phase transformation from solid-state to liquid state, and in the process of fusing, the phase change material absorption also stores a large amount of latent heat; When phase change material cooled off, the heat of storage will be dispersed in the environment in certain temperature range and go, and carries out from liquid state to solid-state reverse transformation.In these two kinds of phase transition process, energy stored or that discharge is called latent heat of phase change.When physical condition changed, the temperature of material self almost remained unchanged before phase transformation is finished, and formed a wide temperature platform, though temperature-resistant, the latent heat that absorbs or discharge is quite big.
Existing heat accumulating phase change material can be divided into organic phase change material and inorganic phase-changing material.The classification phase change material of phase change material mainly comprises inorganic phase-changing material, organic phase change material and composite phase-change three classes.Wherein, organic class phase transformation mainly comprises paraffin, acetic acid and other organism; The organic phase change material stable in properties did not almost have the cold-peace problem of phase separation, but its shortcoming is also fairly obvious, and promptly latent heat of phase change is low, and material density is less, caused organic phase-change heat-storing material unit volume heat storage capacity little thus; The mineral-type phase change material mainly contains crystalline hydrate salt, molten salts, metal or alloy class etc., the inorganic-phase variable heat-storing material has higher unit volume heat and good thermal conductivity, but existing inorganic phase-changing material has following shortcoming: be easy to generate cold-peace and be separated.If can solve the problem that cold-peace is separated by adding additive, then the inorganic-phase variable heat-storing material has obvious advantages, and the accumulation of heat related industries also therefore can be developed.
Heat accumulating phase change material specifically is applied on the product, should possesses following condition: (1) unit volume is little, and accumulation of energy wants many; (2) thermal conductivity wants high, and in order to improve the molten amount of accumulation of heat, heat storage material is bigger than important; (3) if heat-accumulating process pressure is big, manufacturing expense is high with regard to corresponding meeting, so pressure is low in the phase-transition heat-storage process; (4) in order to improve rate of heat exchange, it is big that thermal conductivity is wanted; (5) in the phase transition process, avoid cold superheating phenomenon to occur; (6) as the phase-changing energy-storing of area use on a large scale, occur the phase change process between liquid and the solid, therefore hinder heat exchange; (7) if the energy storage materials of phase change coefficient of expansion is big, then need firm shell, therefore can cause manufacturing expense to improve, so the material coefficient of expansion will reduce; (8) can not use inflammable substance and virose raw material; (9) if chemical reaction velocity is fast during high temperature, can occur the object corrosion phenomenon, thus the chemical property of this phase change material will be stablized and phase transition process in the temperature that the changes temperature when using want consistent.
The material that in the phase change material of exploitation at present, satisfies above-mentioned whole requirements seldom, the present invention aims to provide a kind of inorganic-phase variable heat-storing material that can satisfy above-mentioned whole requirements.
Summary of the invention
The objective of the invention is for solving the existing existing deficiency of phase change material, provide a kind of stable performance, cheap, wide material sources, easy to make, heat of phase transformation is big, nontoxic, nonflammable inorganic-phase variable heat-storing material.
For achieving the above object, the present invention adopts following technical scheme:
A kind of phase change heat storage material, this material is made up of silicon oxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zinc oxide and water; Wherein the mass percent of silicon oxide is 40%-45%, the mass percent of aluminum oxide is 9%-11%, the mass percent of ferric oxide is 0.06-0.3%, the mass percent of calcium oxide is 0.2-0.5%, magnesian mass percent is 0.05%-0.4%, and the mass percent of potassium oxide is 3%-4%, and the mass percent of sodium oxide is 3%-5%, the mass percent of zinc oxide is 6%-11%, and the mass percent of water is 22.8%-38.69%.
A kind of method of making phase change heat storage material, it is characterized in that: with silicon oxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zinc oxide adds the water uniform mixing after grinding, in the described phase change heat storage material, the mass percent of silicon oxide is 40%-45%, the mass percent of aluminum oxide is 9%-11%, the mass percent of ferric oxide is 0.06-0.3%, the mass percent of calcium oxide is 0.2-0.5%, magnesian mass percent is 0.05%-0.4%, the mass percent of potassium oxide is 3%-4%, the mass percent of sodium oxide is 3%-5%, the mass percent of zinc oxide is 6%-11%, and the mass percent of water is 22.8%-38.69%.
Adopt phase-changing energy-storing boiler, heat of phase transformation hydrophone, refrigerator car, the freezer of above-mentioned phase change heat storage material.
After tested, the transformation temperature of above-mentioned phase change material is: 98.38 ℃-120.18 ℃; Heat of phase transformation is: 1063J/g-1481J/g.
Inorganic-phase variable heat-storing material of the present invention is mainly used in the accumulation of heat (boiler, water-heater, calorifier) of paddy electricity, cold-storage (freezer, refrigerator car, air-conditioning), particularly utilize phase change material to be applied to refrigerator-freezer heating, hot water pump system (recovery used heat), absorb solar heat, togs industry, physics medicine equipment, building heat preservation or the like field.
Phase change heat storage material of the present invention has the following advantages:
1) energy storage materials of phase change of the present invention without any environmental pollution, do not have corrodibility, do not have combustible material yet;
2) the material feedstock source is abundant, cheap;
3) material property is stable, and circulating, repeatedly performance parameter variations such as heat of phase transformation, thermal conductivity is little;
4) heat storage performance exceeds 4 to 7 times than conventional energy-accumulation material and does not wait;
5) phase change material corrodibility is less, can be used in the interchanger of materials commonly used such as copper, stainless steel, therefore practical, utilize this product to make phase-changing energy-storing boiler, heat of phase transformation hydrophone, heat of phase transformation blower fan, can make freezer, refrigerator car or the like refrigeration equipment by cold-storage again; Also can regulate heat recuperation, industrial waste heat recycling, medicine equipment, drying plant or the like the wide spectrum of room temp and sun power;
6) phase change material of the present invention is very little to the toxic side effect of human body, thereby does not have potential safety hazard in the production practice;
7) energy-accumulation material that forms of this kind composition material possesses heat storage capacity more efficiently than other energy-accumulation material, be higher than 3-4 doubly than other phase change heat storage material, utilize the phase-changing energy-storing boiler of above-mentioned phase change material in the greenhouse, relatively to save the 40%-50% expense with gas fired-boiler, and it is stable to possess safety performance, does not have inflammableness, do not have any public hazards, stable chemical performance, without any characteristics such as corrodibility;
Have more other same type of material when 8) this kind mixture has efficiently heat accumulation function and can't possess comparable high-performance.The quality that degree that this manufacture course of products stirs and speed do not influence this energy storage materials of phase change is characteristics.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the graphic representation of phase change heat storage material heat absorption of the present invention.
Embodiment
Further describe the present invention below in conjunction with embodiment, but the present invention is not construed as limiting.
Embodiment 1:
Get 40 parts of silicon oxide by mass percentage, 9 parts in aluminum oxide, 0.06 part of ferric oxide, 0.2 part in calcium oxide, 0.05 part in magnesium oxide, 3 parts of potassium oxides, 3 parts of sodium oxides, 6 parts in zinc oxide, is that 38.69 parts water mixes and obtains phase change material with above-mentioned materials as for adding mass percent after fully grinding in the mortar, the transformation temperature of this phase change material is 120.18 ℃, and heat of phase transformation is 1481J/g.
Embodiment 2:
Get 45 parts of silicon oxide by mass percentage, 11 parts in aluminum oxide, 0.3 part of ferric oxide, 0.5 part in calcium oxide, 0.4 part in magnesium oxide, 4 parts of potassium oxides, 5 parts of sodium oxides, 11 parts in zinc oxide, with above-mentioned materials as for after fully grinding in the mortar, adding mass percent and be 22.8 parts water mixes and obtains phase change material, the transformation temperature of this phase change material is 105.3 ℃, and heat of phase transformation is 1237J/g.
Embodiment 3:
Get 43 parts of silicon oxide by mass percentage, 10 parts in aluminum oxide, 0.1 part of ferric oxide, 0.3 part in calcium oxide, 0.12 part in magnesium oxide, 3.5 parts of potassium oxides, 4.5 parts of sodium oxides, 8 parts in zinc oxide, with above-mentioned materials as for after fully grinding in the mortar, adding mass percent and be 30.48 parts water mixes and obtains phase change material, the transformation temperature of this phase change material is 103.5 ℃, and heat of phase transformation is 1311J/g.
Embodiment 4:
Get 42 parts of silicon oxide by mass percentage, 9.3 parts in aluminum oxide, 0.1 part of ferric oxide, 0.4 part in calcium oxide, 0.1 part in magnesium oxide, 3.3 parts of potassium oxides, 4.1 parts of sodium oxides, 10 parts in zinc oxide, with above-mentioned materials as for after fully grinding in the mortar, adding mass percent and be 30.7 parts water mixes and obtains phase change material, referring to Fig. 1, the transformation temperature of this mixture is 98.38 ℃, and heat of phase transformation is 1063J/g.
Claims (8)
1. phase change heat storage material, this material is formed by silicon oxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zinc oxide and water uniform mixing.
2. phase change heat storage material as claimed in claim 1, it is characterized in that: in the described phase change heat storage material, the mass percent of silicon oxide is 40%-45%, the mass percent of aluminum oxide is 9%-11%, the mass percent of ferric oxide is 0.06-0.3%, the mass percent of calcium oxide is 0.2-0.5%, magnesian mass percent is 0.05%-0.4%, the mass percent of potassium oxide is 3%-4%, the mass percent of sodium oxide is 3%-5%, the mass percent of zinc oxide is 6%-11%, and the mass percent of water is 22.8%-38.69%.
3. the manufacture method of a phase change heat storage material is characterized in that: silicon oxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zinc oxide and water are positioned over mix after fully grinding in the mortar.
4. the manufacture method of phase change heat storage material as claimed in claim 3, it is characterized in that: in the described phase change heat storage material, the mass percent of silicon oxide is 40%-45%, the mass percent of aluminum oxide is 9%-11%, the mass percent of ferric oxide is 0.06-0.3%, the mass percent of calcium oxide is 0.2-0.5%, magnesian mass percent is 0.05%-0.4%, the mass percent of potassium oxide is 3%-4%, the mass percent of sodium oxide is 3%-5%, the mass percent of zinc oxide is 6%-11%, and the mass percent of water is 22.7%-37.68%.
5. a phase-changing energy-storing boiler is characterized in that adopting phase change heat storage material as claimed in claim 1 or 2.
6. a heat of phase transformation hydrophone is characterised in that and adopts phase change heat storage material as claimed in claim 1 or 2.
7. a refrigerator car is characterized in that adopting phase change heat storage material as claimed in claim 1 or 2.
8. a freezer is characterized in that adopting phase change heat storage material as claimed in claim 1 or 2.
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| CN 201010290994 CN101974313B (en) | 2010-09-26 | 2010-09-26 | Phase change thermal storage material and manufacturing method thereof |
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| CN 201010290994 CN101974313B (en) | 2010-09-26 | 2010-09-26 | Phase change thermal storage material and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036866A (en) * | 2014-06-27 | 2014-09-10 | 国家电网公司 | Phase-change temperature-control type high-voltage cable |
| CN104293303A (en) * | 2013-07-19 | 2015-01-21 | 李义 | Thermal storage material capable of phase transition under normal pressure |
| CN107099275A (en) * | 2017-04-28 | 2017-08-29 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN109261165B (en) * | 2018-08-24 | 2021-06-18 | 昆明理工大学 | Core-shell structure Al-Cu @ NiO-Al2O3Preparation method and application of high-temperature phase-change heat storage catalyst |
| CN114902900A (en) * | 2021-02-07 | 2022-08-16 | 天津市豪升新能源技术研究所 | Energy-saving heating device of agricultural planting greenhouse |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294064A (en) * | 2008-06-24 | 2008-10-29 | 武汉理工大学 | Process for producing stephanoporate composite inorganic phase-changing material |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294064A (en) * | 2008-06-24 | 2008-10-29 | 武汉理工大学 | Process for producing stephanoporate composite inorganic phase-changing material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293303A (en) * | 2013-07-19 | 2015-01-21 | 李义 | Thermal storage material capable of phase transition under normal pressure |
| CN104036866A (en) * | 2014-06-27 | 2014-09-10 | 国家电网公司 | Phase-change temperature-control type high-voltage cable |
| CN107099275A (en) * | 2017-04-28 | 2017-08-29 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN107099275B (en) * | 2017-04-28 | 2019-10-15 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN109261165B (en) * | 2018-08-24 | 2021-06-18 | 昆明理工大学 | Core-shell structure Al-Cu @ NiO-Al2O3Preparation method and application of high-temperature phase-change heat storage catalyst |
| CN114902900A (en) * | 2021-02-07 | 2022-08-16 | 天津市豪升新能源技术研究所 | Energy-saving heating device of agricultural planting greenhouse |
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