CN100410614C - Phase-transformation energy-storage tank - Google Patents
Phase-transformation energy-storage tank Download PDFInfo
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- CN100410614C CN100410614C CNB2005100262274A CN200510026227A CN100410614C CN 100410614 C CN100410614 C CN 100410614C CN B2005100262274 A CNB2005100262274 A CN B2005100262274A CN 200510026227 A CN200510026227 A CN 200510026227A CN 100410614 C CN100410614 C CN 100410614C
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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 present invention particularly relates to a phase-transformation energy-storage tank which belongs to the technical field of heat energy storage. Phase-transformation materials of the phase-transformation energy-storage tank of the present invention are porous graphite-base phase-transformation energy-storage composite materials. An encapsulating container is a beverage pop tank which has good sealing performance and very high heat conductivity, the heat conducting performance of porous graphite-base phase-transformation energy-storage composite materials is very good, so the sealing performance and the heat conducting and exchanging performance of the phase-transformation energy-storage tank prepared by the method of the present invention are very good. In addition, the beverage pop tank which is used is a recovered waste product, so the beverage pop tank has very low cost, is economical and is easy to cosmically popularize.
Description
Technical field
The invention belongs to the thermal energy storage technical field, be specifically related to a kind of phase-transformation energy-storage tank.
Background technology
Energy storage technology all has significant values for the utilization of eliminating inharmonic contradiction between energy supply and demand, raising energy use efficiency and regenerative resource.In heating buildings and refrigeration and many industrial production, energy is to obtain to utilize with the form of heat energy, therefore, and can be more more effective at these field heat accumulations than storing other form energy.According to energy storage mechanism, also it can be divided into sensible heat heat accumulation energy and latent heat heat accumulation energy.So-called sensible heat heat accumulation can be meant the sensible heat heat energy storage that utilizes material, and the latent heat heat accumulation can be meant the latent heat of phase change heat energy storage that utilizes material.Can compare advantages such as the latent heat heat accumulation can have energy storage density height (a high order of magnitude), energy storage-release can temperature stabilization, volume is little, easy control with the sensible heat heat accumulation.
The phase-changing energy storage material kind is a lot, can be divided into organic phase change material and inorganic phase-changing material by substance classes, can be divided into solid-liquid phase change material, solid-solid phase change material, solid and gas phase-change material and liquid-gas phase transition material etc. by the phase transition process form.No matter be the angle from technology, still from the angle of economy, solid-liquid phase change material has practical value most.On the one hand, compare with solid-solid phase change material, solid-liquid phase change material has the bigger heat of transformation, on the other hand, compares with the liquid-gas phase transition material with the solid and gas phase-change material, and solid-liquid phase change material is in phase transition process, and Volume Changes is less, helps practical application.But, in the actual use of solid-liquid phase change material, still there is the liquid phase that flows easily, therefore need encapsulate it.The long durability of encapsulation has important effect for the application of phase-change material, and the heat exchange effect that encapsulates simultaneously for phase-change material also can exert an influence.At present, the method for packing of solid-liquid phase change material can be divided into two big classes, and one is macroscopical method for packing, and another is the microcosmic method for packing.The macroscopic view method for packing mainly is to adopt macroscopical container that solid-liquid phase change material is encapsulated.The phase-change material of encapsulation is because volume is bigger in the macroscopic view container, and its heat conductivility is relatively poor.And microcosmic encapsulation mainly is to adopt inorganic or organic porous material by phase-change material being carried out physics or chemisorbed encapsulates, or adopts microcapsules that phase-change material is encapsulated.Wherein only adopt porous media to encapsulate that then long-time stability are relatively poor, seepage can take place in solid-liquid phase change material under the ordering about of effect of mass transmitting, and influence is used, and adopts microcapsules to encapsulate, and then can produce the too high drawback of cost.
Summary of the invention
At the problems referred to above that the encapsulation that has solid-liquid phase change material now exists in actual use, the object of the present invention is to provide the phase-transformation energy-storage tank that a kind of heat conduction heat exchange property is good, making is simple and with low cost.
The present invention adopts porous media microcosmic method for packing and canister macroscopic view method for packing simultaneously, and overall cost is lower than existing encapsulation technology.Utilize Nano-size Porous Graphite to the microcosmic peptizaiton of phase-change material and the excellent heat conductivity performance of graphite and canister, can obviously improve the phase-change heat-exchange effect of phase-change material, utilize canister also can realize good packaging effect.
The present invention is achieved in that
A kind of phase-transformation energy-storage tank, phase-change material are porous graphite base phase-change energy-storage composite material, and packaging container is a beverage cans.
Phase-transformation energy-storage tank of the present invention, packaging container be the aluminum beverage cans preferably.
Phase-transformation energy-storage tank of the present invention, its preparation method is: the porous graphite base phase-change energy-storage composite material beverage cans of packing into is encapsulated and gets final product.Porous graphite base phase-change energy-storage composite material can be the porous graphite base phase-change energy-storage composite material described in the Chinese patent 200410052870.X (" porous graphite base phase-change energy-storage composite material and preparation method thereof ").
Beneficial effect of the present invention:
(1) good airproof performance: because will resist higher air pressure, beverage cans has good sealing, therefore, adopts its packaging container as phase-change material can have good sealing.
(2) the heat conduction heat exchange property is good: because beverage cans is an aluminum material, have very high thermal conductivity factor, and the heat conductivility of porous graphite base phase-change energy-storage composite material is also fine, therefore, the heat conduction heat exchange property of phase-transformation energy-storage tank is fine.
(3) cost is low: the beverage cans that is adopted can be the waste product that reclaims, and cost is very low, is economic packaging container, easily large-scale promotion.
The specific embodiment
Embodiment 1
Method described in patent " porous graphite base phase-change energy-storage composite material and preparation method thereof " prepares porous graphite base phase-change energy-storage composite material: get fineness and be 80 orders, carbon content and be 90% crystalline flake graphite 30 grams, concentration and be 98% sulfuric acid 300 grams and potassium permanganate 20 grams, put into the tempered glass container, stir, mix with glass bar.Put into water bath with thermostatic control then, the temperature of water-bath is set at 45 ℃.Adopt bar magnet that mixture is continued to stir, stir RPM and be decided to be 300.Carry out water wash procedures behind the intercalation.Mixture is filtered with 200 purpose stainless (steel) wires, will filter residue then and put into 5 liters of glass containers, add 4 liters clear water, fully stir, and then filter with 200 purpose stainless (steel) wires with glass bar.Twice of repeated washing.The pH value of measuring last stirring liquid is 0.2.The residue that filters is at last put into baking oven dries.Oven temperature is 60 ℃, and the drying course duration is 10 hours.Get the good graphite intercalation compound of oven dry 5 grams, put into pig, put into micro-wave oven then.With the power setting of micro-wave oven on 200W.Start micro-wave oven, the microwave time of origin is 30 seconds.Make Nano-size Porous Graphite.Adopt stearic acid as organic phase change material.With porous graphite and stearic ratio is 1: 40, with the two mixing.Then mixture is put into temperature and be 80 ℃ baking oven, kept 12 hours, take out, insert in the beverage cans.With hot glue the opening of pop can is shut at last.Phase-transformation energy-storage tank serviceability prepared by this method is fine.
Embodiment 2
Get fineness and be 50 orders, carbon content and be 95% crystalline flake graphite 30 grams, concentration and be 98% sulfuric acid 300 grams and potassium permanganate 20 grams, put into the tempered glass container, stir, mix with glass bar.Put into water bath with thermostatic control then, the temperature of water-bath is set at 50 ℃.Adopt bar magnet that mixture is continued to stir, stir RPM and be decided to be 300.Carry out water wash procedures behind the intercalation.Mixture is filtered with 200 purpose stainless (steel) wires, will filter residue then and put into 5 liters glass container, add 4 liters of clear water, fully stir, and then filter with 200 purpose stainless (steel) wires with glass bar.Repeated washing 4 times.The pH value of measuring last stirring liquid is 3.0.The residue that filters is at last put into baking oven dries.Oven temperature is 60 ℃, and the drying course duration is 10 hours.Get the good graphite intercalation compound of oven dry 5 grams, put into pig, put into micro-wave oven then.With the power setting of micro-wave oven on 200W.Start micro-wave oven, the microwave time of origin is 30 seconds.Make Nano-size Porous Graphite.Adopt laurate as phase-change material.。With porous graphite and lauric ratio is 1: 20, with the two mixing.Then mixture is put into temperature and be 60 ℃ baking oven, kept 12 hours, take out, insert in the beverage cans.With hot glue the opening of pop can is shut at last.Phase-transformation energy-storage tank serviceability prepared by this method is fine.
Embodiment 3
Get fineness and be 80 orders, carbon content and be 90% crystalline flake graphite 30 grams, concentration and be 98% sulfuric acid 300 grams and potassium permanganate 20 grams, put into the tempered glass container and mix.Then this glass container is put into water bath with thermostatic control, the temperature of water-bath is set at 60 ℃.Mixture is continued to stir, stir RPM and be decided to be 300.Carry out water wash procedures behind the intercalation.Mixture is filtered with 200 purpose stainless (steel) wires, will filter residue then and put into beaker, add clear water and covered mixture, fully stir with glass bar, and then filter with 200 purpose stainless (steel) wires.Repeated washing 4 times.The pH value of measuring last stirring liquid is 6.The residue that filters is at last put into the glass pallet, put into baking oven then and dry.Oven temperature is 60 ℃, and drying time is 10 hours.Get the good graphite intercalation compound of oven dry 5 grams, put into terrine, then terrine is put into micro-wave oven.With the power setting of micro-wave oven on 200W.Start micro-wave oven, the microwave time of origin is 30 seconds.Make Nano-size Porous Graphite.With capric acid as phase-change material.。Ratio with porous graphite and capric acid is 1: 20, with the two mixing.Then mixture is put into temperature greater than 20 ℃ environment, kept 12 hours, then mixture is inserted in the beverage cans.With hot glue the opening of pop can is shut at last.Phase-transformation energy-storage tank serviceability prepared by this method is fine.
Claims (1)
1. phase-transformation energy-storage tank, its phase-change material is a porous graphite base phase-change energy-storage composite material, packaging container is the aluminum beverage cans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100262274A CN100410614C (en) | 2005-05-26 | 2005-05-26 | Phase-transformation energy-storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100262274A CN100410614C (en) | 2005-05-26 | 2005-05-26 | Phase-transformation energy-storage tank |
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| Publication Number | Publication Date |
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| CN1869573A CN1869573A (en) | 2006-11-29 |
| CN100410614C true CN100410614C (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100262274A Expired - Fee Related CN100410614C (en) | 2005-05-26 | 2005-05-26 | Phase-transformation energy-storage tank |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102492227B (en) * | 2011-12-06 | 2013-02-13 | 汉川市瑞福塑料制品有限公司 | Energy-saving environmentally-friendly phase change energy storage material and preparation method thereof |
| CN104789194B (en) * | 2014-01-20 | 2018-11-13 | 广州贝特缪斯能源科技有限公司 | A kind of energy-storage composite material and its manufacturing method |
| CN108822804A (en) * | 2018-07-04 | 2018-11-16 | 青海大学 | A kind of phase-changing energy storage material and preparation method thereof encapsulated with porous material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01217136A (en) * | 1988-02-24 | 1989-08-30 | Matsushita Electric Works Ltd | Thermal accumulation body |
| CN1043675A (en) * | 1988-12-31 | 1990-07-11 | 陈景 | Aluminium ring pull end recycling method and technology |
| CN2067814U (en) * | 1990-06-07 | 1990-12-19 | 金继伟 | Hot tube medium heat storing tank |
| CN2128925Y (en) * | 1992-05-22 | 1993-03-31 | 赵祥连 | Packing container made by using waste top-pop-can |
| JP2001091176A (en) * | 1999-09-27 | 2001-04-06 | Matsushita Electric Works Ltd | Latent heat storage body heatable with microwave |
| CN1587339A (en) * | 2004-07-15 | 2005-03-02 | 同济大学 | Porous graphite base phase change energy storage composite material and its preparing method |
-
2005
- 2005-05-26 CN CNB2005100262274A patent/CN100410614C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01217136A (en) * | 1988-02-24 | 1989-08-30 | Matsushita Electric Works Ltd | Thermal accumulation body |
| CN1043675A (en) * | 1988-12-31 | 1990-07-11 | 陈景 | Aluminium ring pull end recycling method and technology |
| CN2067814U (en) * | 1990-06-07 | 1990-12-19 | 金继伟 | Hot tube medium heat storing tank |
| CN2128925Y (en) * | 1992-05-22 | 1993-03-31 | 赵祥连 | Packing container made by using waste top-pop-can |
| JP2001091176A (en) * | 1999-09-27 | 2001-04-06 | Matsushita Electric Works Ltd | Latent heat storage body heatable with microwave |
| CN1587339A (en) * | 2004-07-15 | 2005-03-02 | 同济大学 | Porous graphite base phase change energy storage composite material and its preparing method |
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| CN1869573A (en) | 2006-11-29 |
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