CN1821340A - Solar water heater phase change heat storage material and its preparing method - Google Patents
Solar water heater phase change heat storage material and its preparing method Download PDFInfo
- Publication number
- CN1821340A CN1821340A CN200610039026.2A CN200610039026A CN1821340A CN 1821340 A CN1821340 A CN 1821340A CN 200610039026 A CN200610039026 A CN 200610039026A CN 1821340 A CN1821340 A CN 1821340A
- Authority
- CN
- China
- Prior art keywords
- water heater
- solar water
- phase change
- sodium
- storage material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 230000008859 change Effects 0.000 title claims abstract description 28
- 238000005338 heat storage Methods 0.000 title claims description 33
- 239000011232 storage material Substances 0.000 title claims description 31
- 238000000034 method Methods 0.000 title description 2
- 239000000374 eutectic mixture Substances 0.000 claims abstract description 15
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 108010010803 Gelatin Proteins 0.000 claims abstract description 14
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims abstract description 14
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920000159 gelatin Polymers 0.000 claims abstract description 14
- 239000008273 gelatin Substances 0.000 claims abstract description 14
- 235000019322 gelatine Nutrition 0.000 claims abstract description 14
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 14
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 14
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims abstract description 14
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 14
- 239000004246 zinc acetate Substances 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 10
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 13
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 13
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 4
- 241001062472 Stokellia anisodon Species 0.000 abstract 1
- ZUDYPQRUOYEARG-UHFFFAOYSA-L barium(2+);dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Ba+2] ZUDYPQRUOYEARG-UHFFFAOYSA-L 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 20
- 230000009466 transformation Effects 0.000 description 8
- 239000012782 phase change material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Central Heating Systems (AREA)
Abstract
The present invention discloses a kind of phase change heat storing material for solar water heater and its preparation process. The phase change heat storing material consists of sodium acetate trihydrate 80-90 wt%, barium hydroxide octahydrate 1-10 wt%, sodium borate decahydrate 1-5 wt%, zinc acetate 1-5 wt%, sodium dodecyl benzene sulfonate 1-5 wt% and gelatin 1-5 wt%. During the preparation, the mixture of the above said materials are heated to smelt completely to form the eutectic mixture, which is mounted inside solar water heater. The phase change heat storing material for solar water heater has phase change temperature fitting the operation temperature of solar water heater, high phase change latent heat, no overcooling and phase separation, no toxicity, no corrosion, stable performance and high repeatability, and is especially suitable for use in solar water heater.
Description
One, technical field
The present invention relates to a kind of solar energy heat-storage material, specifically a kind of solar water heater phase change heat storage material and preparation method thereof.
Two, background technology
Energy-conservation and environmental protection are most important problems in the field of energy utilization, and the storage that utilizes the latent heat of phase change of phase change material to carry out energy is an environment-friendly energy-saving technology.Phase change material in the process that itself undergoes phase transition, the heat of absorbing environmental, and emit heat to environment when needed, thus reach control ambient temperature and purpose of energy saving.It all has wide practical use in fields such as sun power utilization, energy recovery, refrigeration air-conditioner, building energy conservation, aerospace.
Since reform and opening-up, the overall national strength and the living standards of the people of China all are greatly increased.Energy industry has obtained tremendous development as one of basic industry of national economy.But the needs of fast development of national economy and the sharp increase of people's lives usefulness energy are not still satisfied in the development of energy industry, and national energy scarcity situation still exists.
Solve present energy scarcity problem, just must develop renewable energy source, as sun power, Geothermal energy, biomass energy, wind energy, sea energy etc.In various renewable energy sources, sun power is most important basic power source.From Geothermal energy, biomass energy, wind energy, sea energy etc. are all from sun power in broad terms, sun power is not only " inexhaustible, nexhaustible " and is not produced greenhouse gases, pollution-free, is the clear energy sources that helps protecting environment.
At present, the sun power utilization mainly is solar thermal utilization (as solar water heater etc.) and solar photovoltaic utilization (as solar cell) etc., considers that from use cost and widespread popularity the solar energy thermal utilization is more general, and solar water heater has entered huge numbers of families now.But, cause a large amount of energy dissipations because the supply and demand of sun power quantitatively with on the time can not mate and coordinate well.As daytime the sun power surplus cause sun power to waste, and night and overcast and rainy sun power are not enough.And in solar water heater, water heat accumulation energy storage density is low, volume is big, and energy storage efficiency is poor.Also do not have at present a kind of efficiently, phase-change heat-storage material stably, can make sun power ask for usefulness as required.
Three, summary of the invention
The purpose of this invention is to provide a kind of solar water heater phase change heat storage material, the transformation temperature of this heat accumulating and the working temperature of solar water heater match, and latent heat of phase change is higher, do not have the cold-peace phenomenon of phase separation, nontoxic, non-corrosiveness, stable performance, good reproducibility.
The objective of the invention is to be achieved through the following technical solutions:
A kind of solar water heater phase change heat storage material, it is characterized in that: this phase-change heat-storage material is mixed by Sodium acetate trihydrate, barium hydroxide, ten water Sodium Tetraboratees, zinc acetate, Sodium dodecylbenzene sulfonate and gelatin, wherein, by mass percentage, Sodium acetate trihydrate is that 80-90%, barium hydroxide are that 1-10%, ten water Sodium Tetraboratees are that 1-5%, zinc acetate are that 1-5%, Sodium dodecylbenzene sulfonate are that 1-5%, gelatin are 1-5%.The transformation temperature of this heat accumulating is 50-58 ℃, and latent heat of phase change is 180-250kJ/kg, can satisfy the requirement of solar water heater heat accumulation.
A kind of preparation method of solar water heater phase change heat storage material of the present invention is characterized in that it comprises the steps:
A) Sodium acetate trihydrate, barium hydroxide, ten water Sodium Tetraboratees, zinc acetate, Sodium dodecylbenzene sulfonate and gelatin are mixed the formation mixture, wherein, by mass percentage, Sodium acetate trihydrate is that 80-90%, barium hydroxide are that 1-10%, ten water Sodium Tetraboratees are that 1-5%, zinc acetate are that 1-5%, Sodium dodecylbenzene sulfonate are that 1-5%, gelatin are 1-5%;
B) said mixture is heated to complete melted state and stirring, forms eutectic mixture;
C) above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device, obtains solar water heater phase change heat storage material.
The phase-change thermal storage technology is to utilize the latent heat of phase change material to carry out the storage of energy, and the present invention adopts the phase-change thermal storage technology, prepares a kind of efficient, stable phase-change heat-storage material, makes sun power ask for usefulness as required.Compared with prior art, the invention has the beneficial effects as follows:
(1) working temperature of the transformation temperature of this phase-change heat-storage material and solar water heater matches, and can improve the thermo-efficiency of solar water heater.
(2) latent heat of phase change of this phase-change heat-storage material can reduce the volume and the cost of heat-storing device than the sensible heat storage density height of water, has improved the economy of system.
(3) nontoxic, the non-corrosiveness of this phase-change heat-storage material did not have the cold-peace phenomenon of phase separation, and the phase transformation volume change is little, stable performance, good reproducibility, but life-time service.
(4) this phase-change heat-storage material preparation method is simple, and the transformation temperature scope can be regulated as required, has better flexibility.
(5) supply and demand that this phase-change heat-storage material can fine solution sun power quantitatively with the time on can not fine coupling problem, make solar water heater at night with overcast and rainyly also can use.
The present invention is particularly suitable for using in solar water heater system, and its working mechanism is as follows:
The sun power abundance time, solar water heater is stored in heat in the phase change material by day, and phase change material is fused into liquid because of store heat; Night and overcast and rainy need heat in, again the heat release that stores is come out for user's use, phase change material then is frozen into solid phase by liquid phase.Owing to adopted the latent heat of phase-change heat-storage material to store, make the heat storage water tank volume of solar water heater reduce greatly, improved the economy of solar water heater and the thermo-efficiency of solar water heater.
Four, embodiment
The invention will be further described with embodiment below.
Embodiment 1
A kind of solar water heater phase change heat storage material of the present invention, this phase-change heat-storage material mixes by following mass percent: Sodium acetate trihydrate is 89%, barium hydroxide is that 4%, ten water Sodium Tetraboratees are 2%, zinc acetate is 1%, Sodium dodecylbenzene sulfonate is 2%, gelatin is 2%.
During preparation, mixture heating up to the complete melted state and the back that stirs that mixes according to the above ratio formed eutectic mixture, at last above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device.Its transformation temperature is that 57.2 ℃, latent heat of phase change are 243.8kJ/kg after measured.
Embodiment 2
Another kind of solar water heater phase change heat storage material of the present invention, this phase-change heat-storage material mixes by following mass percent: Sodium acetate trihydrate is 82%, barium hydroxide is that 7%, ten water Sodium Tetraboratees are 3%, zinc acetate is 2%, Sodium dodecylbenzene sulfonate is 3%, gelatin is 3%.
During preparation, mixture heating up to the complete melted state and the back that stirs that mixes according to the above ratio formed eutectic mixture, at last above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device.Its transformation temperature is that 52.8 ℃, latent heat of phase change are 220.6kJ/kg after measured.
Embodiment 3
Another solar water heater phase change heat storage material of the present invention, this phase-change heat-storage material mixes by following mass percent: Sodium acetate trihydrate is 85%, barium hydroxide is that 5%, ten water Sodium Tetraboratees are 1%, zinc acetate is 4%, Sodium dodecylbenzene sulfonate is 1%, gelatin is 4%.
During preparation, mixture heating up to the complete melted state and the back that stirs that mixes according to the above ratio formed eutectic mixture, at last above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device.Its transformation temperature is that 55.3 ℃, latent heat of phase change are 232.2kJ/kg after measured.
Embodiment 4
Another solar water heater phase change heat storage material of the present invention, this phase-change heat-storage material mixes by following mass percent: Sodium acetate trihydrate is 80%, barium hydroxide is that 10%, ten water Sodium Tetraboratees are 1%, zinc acetate is 4%, Sodium dodecylbenzene sulfonate is 1%, gelatin is 4%.
During preparation, mixture heating up to the complete melted state and the back that stirs that mixes according to the above ratio formed eutectic mixture, at last above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device.
Embodiment 5
Another solar water heater phase change heat storage material of the present invention, this phase-change heat-storage material mixes by following mass percent: Sodium acetate trihydrate is 90%, barium hydroxide is that 1%, ten water Sodium Tetraboratees are 1%, zinc acetate is 4%, Sodium dodecylbenzene sulfonate is 1%, gelatin is 3%.
During preparation, mixture heating up to the complete melted state and the back that stirs that mixes according to the above ratio formed eutectic mixture, at last above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device.
Claims (2)
1, a kind of solar water heater phase change heat storage material, it is characterized in that: this phase-change heat-storage material is mixed by Sodium acetate trihydrate, barium hydroxide, ten water Sodium Tetraboratees, zinc acetate, Sodium dodecylbenzene sulfonate and gelatin, wherein, by mass percentage, Sodium acetate trihydrate is that 80-90%, barium hydroxide are that 1-10%, ten water Sodium Tetraboratees are that 1-5%, zinc acetate are that 1-5%, Sodium dodecylbenzene sulfonate are that 1-5%, gelatin are 1-5%.
2, the preparation method of the described solar water heater phase change heat storage material of a kind of claim 1 is characterized in that it comprises the steps:
A) Sodium acetate trihydrate, barium hydroxide, ten water Sodium Tetraboratees, zinc acetate, Sodium dodecylbenzene sulfonate and gelatin are mixed the formation mixture, wherein, by mass percentage, Sodium acetate trihydrate is that 80-90%, barium hydroxide are that 1-10%, ten water Sodium Tetraboratees are that 1-5%, zinc acetate are that 1-5%, Sodium dodecylbenzene sulfonate are that 1-5%, gelatin are 1-5%;
B) said mixture is heated to complete melted state and stirring, forms eutectic mixture;
C) above-mentioned eutectic mixture is encapsulated in the solar water heater heat-storing device, obtains solar water heater phase change heat storage material.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100390262A CN100334179C (en) | 2006-03-23 | 2006-03-23 | Solar water heater phase change heat storage material and its preparing method |
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| CNB2006100390262A CN100334179C (en) | 2006-03-23 | 2006-03-23 | Solar water heater phase change heat storage material and its preparing method |
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| CN1821340A true CN1821340A (en) | 2006-08-23 |
| CN100334179C CN100334179C (en) | 2007-08-29 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186806B (en) * | 2007-12-10 | 2010-05-19 | 中国科学院广州能源研究所 | Phase transformation heat accumulating material |
| CN101846390A (en) * | 2010-03-31 | 2010-09-29 | 南京大学 | Energy storage heat pump hot water system with heat recovery function |
| CN102290476A (en) * | 2011-06-27 | 2011-12-21 | 南京大学 | Photovoltaic photo-thermal energy storage device |
| CN102604599A (en) * | 2012-02-20 | 2012-07-25 | 上海旭能新能源科技有限公司 | Inorganic phase change energy storage material |
| CN101671546B (en) * | 2008-09-11 | 2013-02-27 | 上海海事大学 | Phase change heat storage material and preparation method thereof |
| CN103194176A (en) * | 2013-03-22 | 2013-07-10 | 常州盛来太阳能科技有限公司 | Phase-change heat-storage material and preparation method thereof |
| CN103666378A (en) * | 2013-11-25 | 2014-03-26 | 浙江三赢医疗器械有限公司 | Phase change heat storage material and preparation method and application thereof |
| CN106753272A (en) * | 2017-02-16 | 2017-05-31 | 山东天合众能工程技术有限公司 | A kind of accumulation of heat composition and preparation method thereof |
| CN106753259A (en) * | 2016-11-25 | 2017-05-31 | 贺迈新能源科技（上海）有限公司 | The heat accumulating and preparation method of a kind of low transformation temperature |
| CN108774498A (en) * | 2018-08-08 | 2018-11-09 | 宿松县佳宜装饰有限公司 | A kind of greenhouse heat-storing device |
| CN109205095A (en) * | 2018-08-08 | 2019-01-15 | 宿松县佳宜装饰有限公司 | One kind filling heating heat-insulating case |
| CN111117572A (en) * | 2019-12-05 | 2020-05-08 | 珠海格力电器股份有限公司 | Composite phase-change material and preparation method thereof |
| CN112574716A (en) * | 2019-09-29 | 2021-03-30 | 长沙理工大学 | Composite phase change regulator and preparation method and application of composite phase change heat storage material thereof |
| CN112940685A (en) * | 2019-12-10 | 2021-06-11 | 强野机械科技(上海)有限公司 | Phase-change energy storage material and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035122A (en) * | 1988-02-09 | 1989-08-30 | 李镇亚 | A kind of solid paint for building construction |
| CN1065878A (en) * | 1992-05-23 | 1992-11-04 | 李俊 | The manufacture method of cold-retaining agent and goods thereof |
| CN1621483A (en) * | 2004-10-22 | 2005-06-01 | 清华大学 | Microcapsule type phase change cold accumulation agent for air conditioner cold accumulation and method for preparing same |
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2006
- 2006-03-23 CN CNB2006100390262A patent/CN100334179C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186806B (en) * | 2007-12-10 | 2010-05-19 | 中国科学院广州能源研究所 | Phase transformation heat accumulating material |
| CN101671546B (en) * | 2008-09-11 | 2013-02-27 | 上海海事大学 | Phase change heat storage material and preparation method thereof |
| CN101846390A (en) * | 2010-03-31 | 2010-09-29 | 南京大学 | Energy storage heat pump hot water system with heat recovery function |
| CN102290476A (en) * | 2011-06-27 | 2011-12-21 | 南京大学 | Photovoltaic photo-thermal energy storage device |
| CN102604599A (en) * | 2012-02-20 | 2012-07-25 | 上海旭能新能源科技有限公司 | Inorganic phase change energy storage material |
| CN103194176A (en) * | 2013-03-22 | 2013-07-10 | 常州盛来太阳能科技有限公司 | Phase-change heat-storage material and preparation method thereof |
| CN103666378A (en) * | 2013-11-25 | 2014-03-26 | 浙江三赢医疗器械有限公司 | Phase change heat storage material and preparation method and application thereof |
| CN103666378B (en) * | 2013-11-25 | 2016-12-07 | 浙江三赢医疗器械有限公司 | A kind of phase change heat storage material and its preparation method and application |
| CN106753259A (en) * | 2016-11-25 | 2017-05-31 | 贺迈新能源科技（上海）有限公司 | The heat accumulating and preparation method of a kind of low transformation temperature |
| CN106753272A (en) * | 2017-02-16 | 2017-05-31 | 山东天合众能工程技术有限公司 | A kind of accumulation of heat composition and preparation method thereof |
| CN108774498A (en) * | 2018-08-08 | 2018-11-09 | 宿松县佳宜装饰有限公司 | A kind of greenhouse heat-storing device |
| CN109205095A (en) * | 2018-08-08 | 2019-01-15 | 宿松县佳宜装饰有限公司 | One kind filling heating heat-insulating case |
| CN112574716A (en) * | 2019-09-29 | 2021-03-30 | 长沙理工大学 | Composite phase change regulator and preparation method and application of composite phase change heat storage material thereof |
| CN112574716B (en) * | 2019-09-29 | 2022-02-25 | 长沙理工大学 | Composite phase change regulator and preparation method and application of composite phase change heat storage material thereof |
| CN111117572A (en) * | 2019-12-05 | 2020-05-08 | 珠海格力电器股份有限公司 | Composite phase-change material and preparation method thereof |
| CN112940685A (en) * | 2019-12-10 | 2021-06-11 | 强野机械科技(上海)有限公司 | Phase-change energy storage material and preparation method thereof |
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| CN100334179C (en) | 2007-08-29 |
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