CN102877553A - Energy storage thermal insulation building material - Google Patents
Energy storage thermal insulation building material Download PDFInfo
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- CN102877553A CN102877553A CN2012103926277A CN201210392627A CN102877553A CN 102877553 A CN102877553 A CN 102877553A CN 2012103926277 A CN2012103926277 A CN 2012103926277A CN 201210392627 A CN201210392627 A CN 201210392627A CN 102877553 A CN102877553 A CN 102877553A
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- energy storage
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- heat
- constructional materials
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- 238000004146 energy storage Methods 0.000 title claims abstract description 61
- 239000004566 building material Substances 0.000 title abstract description 14
- 238000009413 insulation Methods 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 239000011232 storage material Substances 0.000 claims abstract description 18
- 239000004058 oil shale Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 13
- 230000009466 transformation Effects 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 9
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000011837 pasties Nutrition 0.000 claims abstract description 7
- 239000011449 brick Substances 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000012071 phase Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 4
- 238000000576 coating method Methods 0.000 abstract 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000877 morphologic effect Effects 0.000 abstract 1
- 239000012782 phase change material Substances 0.000 abstract 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 2
- 239000000374 eutectic mixture Substances 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Images
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Ceramic Products (AREA)
Abstract
The invention relates to an energy storage thermal insulation building material which has the main characteristics that a pasty inorganic phase change energy storage material PCM is coated into a hollow high heat conductivity carbon-based functional material to form an energy storage coating body; oil shale residue powder, water glass, sodium hydroxide solution and cement are stirred and uniformly mixed into a slurry material according to the mass ratio; the energy storage coating body is added into the slurry material and the mixture is cast into a shape of a common brick body or other shapes; and the volume ratio of the slurry material to the energy storage coating body is 1:1 to 1:4. The energy storage thermal insulation building material has the advantages that the PCM has large energy storage capability and a low phase transformation point, so that the solid-liquid separation is avoided and the undercooling problem is solved; the carbon-based functional material is used as a coating material, so that the leakage of a liquid phase is prevented and the corrosion problem of the inorganic phase change material is solved; and the application of the oil shale residue powder which is used as a main body building material utilizes the activity effect, the morphological effect and the micro aggregate effect of the oil shale residue powder and aims to increase the absorption rate of the building material for the light as further as possible on the basis of not influencing the compression strength of the building material, achieve the effects of high efficiency, energy saving, heat preservation and energy consumption reducing and ensure the energy storage thermal insulation building material to have high practicality.
Description
Technical field
The present invention relates to a kind of energy-storage thermal-insulating constructional materials, belong to the energy-saving building material technical field.
Background technology
Building and building materials industry are one of key pillars of the national economy industries, energy and environment problem and we are closely bound up, along with the raising of people's living standard, also more and more higher to the comfort level requirement of indoor environment, corresponding building energy consumption (comprising the air-conditioning heating energy consumption) also increases thereupon.In comfort level, energy consumption, environment, find the rational balance point to become the eternal theme of architectural design and building energy saving field.Present phase-changing energy storage material mainly includes machine and inorganic two large classes; The characteristics such as the general phase transformation cycle-index of organic phase change energy storage material is few, coefficient of thermal conductivity is little, the energy storage utilization rate is low, inorganic-phase variable energy storage material energy storage density is large, thermal conductivity is high, the advantages such as low price, thereby have widely development prospect, but it exists phase transformation separation, degree of supercooling, the shortcomings such as certain corrosivity is arranged; The shortcomings such as corrosion resistance is weak, light absorptive is poor, temperature retention time is short although common brick building material intensity is large.
Summary of the invention
The purpose of this invention is to provide a kind of energy-storage thermal-insulating constructional materials, solve the above-mentioned shortcoming that existing organic and inorganic-phase variable energy storage material and common brick building material exist separately, realize cheapness, efficient, pollution-free, stable performance, absorption solar heat, the phase-change energy-storing heat preservation constructional materials that energy storage is large, the heat insulating ability time is long by the present invention, and be made into body of wall to reach adjusting interior temperature, energy saving.
The objective of the invention is to be achieved through the following technical solutions, a kind of energy-storage thermal-insulating constructional materials, it is characterized in that, described material is that the inorganic-phase variable energy storage material PCM that coats pasty state in the hollow high heat-conductive carbon base functional material forms the energy storage cladding, oil shale residues powder, water glass, sodium hydroxide solution and cement in mass ratio example mix the pulp material, add the energy storage cladding and be cast into common brick shape or other shape in the pulpous state material; Wherein the volume ratio of pulpous state material and energy storage cladding is 1:1～1:4.
Described inorganic-phase variable energy storage material PCM after absorbing the sunshine heat, undergo phase transition and with the heat energy storage in the phase variant, after environment temperature is lower than transformation temperature, the heat that the absorbs mode with the heat of transformation is discharged, to regulate interior temperature, the thermal release time (being temperature retention time) reaches 160～500 minutes.
The compressive strength of described material is at 20～50 MPa.
The material that described hollow high heat-conductive carbon base functional material is known applicable heat conductivility, corrosion resistance is strong, and be pellet shapes or small cubes shape.
Described inorganic-phase variable energy storage material PCM is 50～85% sal glauberi by mass ratio, and 5～20% sodium chloride, 1～10% calgon, 5～30% carboxymethyl cellulose, 1～10% borax are mixed in through stirring and are heated to solution in 45～50 ℃ the water-bath and become pasty state.
The transformation temperature of described inorganic-phase variable energy storage material PCM is 15～30 ℃, and latent heat of phase change is 100～200KJ/Kg.
The slurry quality ratio of oil shale residues powder, water glass, sodium hydroxide solution and cement mixing is 40～60% oil shale residues powder, 10～30% water glass, 10～30% sodium hydroxide solution, 10～30% cement in the described pulpous state material.
The present invention is with transformation temperature is 31～32 ℃, phase transformation potential is large Na
2SO
410H
2O be the inorganic-phase variable energy storage material as the main body composition of phase-change heat-storage material, add a certain proportion of NaCl and can form phase transition temperature at 15～30 ℃ binary eutectic mixture, and so that the fusing point of eutectic mixture increases with the ratio of NaCl reduces; The problem method of separating for solid-liquid is to add water soluble polymer thickener carboxymethyl cellulose, and it can stop solid constituent to sink because of gravity, avoids degenerating because of layering, can make phase-change heat-storage material become more stable; It is to add nucleator borax or crystal formation change agent acrylamide/acrylic acid copolymer (AACP) or calgon (SHMP) that pin is crossed cold problem method, basically eliminate surfusion, inorganic-phase variable energy storage material PCM is filled in the high heat-conductive carbon sill of the pellet shapes of corrosion resistant hollow or small cubes shape, form microspheric form or the inorganic phase-changing material energy storage cladding of small cubes type, solved the leakage problem of liquid phase material; These energy storage claddings are made the energy-storage thermal-insulating constructional materials with certain compressive strength take the energy storage cladding as filler with materials such as aboundresources, compressive strength is high, workability good, corrosion resistance is strong, light absorptive is excellent oil shale residues powder, cement by a certain percentage.Because its stored energy ability of oil shale residues is large and strong with the affinity of salt, oil shale residues can produce the ability of hydrated silicate and aluminate, thereby produces gelatification, strengthens the intensity of energy-storage thermal-insulating constructional materials.
Advantage of the present invention is that the energy storage of PCM is large, transformation temperature is low, avoided the solid-liquid separation, solved the cold problem of crossing, prevent the leakage of liquid phase as coating layer material and solved the etching problem of inorganic phase-changing material with charcoal base functional material, selecting the oil shale residues powder is active effect, shape effect, the micro aggregate effect that has utilized the oil shale residues powder as the main building material, in order on the basis that does not affect its compressive strength, to increase building materials to the Optical Absorption rate as far as possible, reach the effect of high-efficiency energy-storage insulation energy efficient and practical.
Description of drawings
Fig. 1 is the energy storage cladding sectional structure schematic diagram among the present invention;
Fig. 2 is structural representation of the present invention;
Among the figure, 100 is inorganic-phase variable energy storage material PCM, and 101 is high heat-conductive carbon base functional material, and 102 are the energy storage cladding, and 103 is the pulpous state material, and 104 is the energy-storage thermal-insulating constructional materials.
The specific embodiment
Further specify in conjunction with the accompanying drawings and embodiments the present invention, as shown in Figure 1, it is 50～85% sal glauberi with mass ratio, 5～20% sodium chloride, 1～10% calgon, 5～30% carboxymethyl cellulose, 1～10% borax are mixed in through stirring and are heated to solution in 45～50 ℃ the water-bath and become pasty state, form inorganic phase-changing material PCM100, its transformation temperature is 15～30 ℃, and latent heat of phase change is 100～200KJ/Kg.Pasty state inorganic phase-changing material PCM100 is injected into forms energy storage cladding 102 in high heat-conductive carbon base functional material 101 clads of hollow pellet shapes or small cubes shape.
As shown in Figure 2, be that 40～60% oil shale residues powder, 10～30% water glass, 10～30% sodium hydroxide solution, 10～30% cement is uniformly mixed into mass ratio be that pulpous state material 103 adds energy storage claddings 102, be cast into common brick shape or other shape and form energy-storage thermal-insulating constructional materials 104, wherein pulpous state material 103 is 1:1～1:4 with the volume ratio of energy storage cladding.
Energy-storage thermal-insulating constructional materials 104, its compressive strength satisfy the demand of the compressive strength of constructional materials at 10～50 Mpa.
Above embodiment is not limitation of the present invention, and those of ordinary skill in the art also can make equal variation or conversion not breaking away from the spirit and scope of the present invention situation.Therefore all technical schemes that are equal to also should to belong to category of the present invention, should be limited by each claim.
Claims (7)
1. energy-storage thermal-insulating constructional materials, it is characterized in that, described material is that the inorganic-phase variable energy storage material PCM that coats pasty state in the hollow high heat-conductive carbon base functional material forms the energy storage cladding, oil shale residues powder, water glass, sodium hydroxide solution and cement in mass ratio example mix the pulp material, add the energy storage cladding and be cast into common brick shape or other shape in the pulpous state material; Wherein the volume ratio of pulpous state material and energy storage cladding is 1:1～1:4.
2. a kind of energy-storage thermal-insulating constructional materials according to claim 1, it is characterized in that, described inorganic-phase variable energy storage material PCM after absorbing the sunshine heat, undergo phase transition and with the heat energy storage in the phase variant, after environment temperature is lower than transformation temperature, the heat that the absorbs mode with the heat of transformation is discharged, to regulate interior temperature, the thermal release time (being temperature retention time) reaches 160～500 minutes.
3. a kind of energy-storage thermal-insulating constructional materials according to claim 1 is characterized in that, the compressive strength of described material is at 20～50 MPa.
4. a kind of energy-storage thermal-insulating constructional materials according to claim 1 is characterized in that, the material that described hollow high heat-conductive carbon base functional material is known applicable heat conductivility, corrosion resistance is strong, and be pellet shapes or small cubes shape.
5. a kind of energy-storage thermal-insulating constructional materials according to claim 1, it is characterized in that, described inorganic-phase variable energy storage material PCM is 50～85% sal glauberi by mass ratio, and 5～20% sodium chloride, 1～10% calgon, 5～30% carboxymethyl cellulose, 1～10% borax are mixed in through stirring and are heated to solution in 45～50 ℃ the water-bath and become pasty state.
6. a kind of energy-storage thermal-insulating constructional materials according to claim 5 is characterized in that, the transformation temperature of described inorganic-phase variable energy storage material PCM is 15～30 ℃, and latent heat of phase change is 100～200KJ/Kg.
7. a kind of energy-storage thermal-insulating constructional materials according to claim 1, it is characterized in that, the slurry quality ratio of oil shale residues powder, water glass, sodium hydroxide solution and cement mixing is 40～60% oil shale residues powder, 10～30% water glass, 10～30% sodium hydroxide solution, 10～30% cement in the described pulpous state material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392627.7A CN102877553B (en) | 2012-10-17 | 2012-10-17 | Energy storage thermal insulation building material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392627.7A CN102877553B (en) | 2012-10-17 | 2012-10-17 | Energy storage thermal insulation building material |
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| Publication Number | Publication Date |
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| CN102877553A true CN102877553A (en) | 2013-01-16 |
| CN102877553B CN102877553B (en) | 2014-05-07 |
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| CN201210392627.7A Expired - Fee Related CN102877553B (en) | 2012-10-17 | 2012-10-17 | Energy storage thermal insulation building material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468220A (en) * | 2013-08-30 | 2013-12-25 | 贵州中益能低碳节能科技股份有限公司 | Method for reducing melting point of inorganic nano phase change energy storage material |
| CN103482910A (en) * | 2013-08-30 | 2014-01-01 | 贵州中益能低碳节能科技股份有限公司 | Inorganic nano phase-change energy storage cement paste and preparation method thereof |
| CN106061863A (en) * | 2013-12-19 | 2016-10-26 | 弗劳恩霍夫应用研究促进协会 | Container having a mixture of phase-change material and graphite powder |
| CN107841292A (en) * | 2017-09-29 | 2018-03-27 | 江苏理工学院 | A kind of inorganic phase-changing material and its application |
| CN109674085A (en) * | 2017-10-18 | 2019-04-26 | 湖南中烟工业有限责任公司 | It is a kind of for reducing the heat accumulation capsule of cigarette mainstream flue gas temperature and its preparation and application |
| CN110081495A (en) * | 2019-03-07 | 2019-08-02 | 依科瑞德（北京）能源科技有限公司 | Phase-transition heat-storage floor tile |
| CN110423481A (en) * | 2019-07-25 | 2019-11-08 | 齐鲁工业大学 | A kind of biology base thermal adaptation composite materials and preparation method thereof of three-dimensional multi-element eutectic structure |
| CN113402669A (en) * | 2021-07-15 | 2021-09-17 | 广东工业大学 | Self-healing hydrogel phase-change material and preparation method thereof |
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| CN101492263A (en) * | 2008-06-04 | 2009-07-29 | 抚顺矿业集团有限责任公司 | Wax shale gray slag base polymer gelled material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103468220A (en) * | 2013-08-30 | 2013-12-25 | 贵州中益能低碳节能科技股份有限公司 | Method for reducing melting point of inorganic nano phase change energy storage material |
| CN103482910A (en) * | 2013-08-30 | 2014-01-01 | 贵州中益能低碳节能科技股份有限公司 | Inorganic nano phase-change energy storage cement paste and preparation method thereof |
| CN106061863A (en) * | 2013-12-19 | 2016-10-26 | 弗劳恩霍夫应用研究促进协会 | Container having a mixture of phase-change material and graphite powder |
| CN106061863B (en) * | 2013-12-19 | 2018-01-26 | 弗劳恩霍夫应用研究促进协会 | Container with a mixture of phase change material and graphite powder |
| CN107841292A (en) * | 2017-09-29 | 2018-03-27 | 江苏理工学院 | A kind of inorganic phase-changing material and its application |
| CN109674085A (en) * | 2017-10-18 | 2019-04-26 | 湖南中烟工业有限责任公司 | It is a kind of for reducing the heat accumulation capsule of cigarette mainstream flue gas temperature and its preparation and application |
| CN110081495A (en) * | 2019-03-07 | 2019-08-02 | 依科瑞德（北京）能源科技有限公司 | Phase-transition heat-storage floor tile |
| CN110423481A (en) * | 2019-07-25 | 2019-11-08 | 齐鲁工业大学 | A kind of biology base thermal adaptation composite materials and preparation method thereof of three-dimensional multi-element eutectic structure |
| CN113402669A (en) * | 2021-07-15 | 2021-09-17 | 广东工业大学 | Self-healing hydrogel phase-change material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102877553B (en) | 2014-05-07 |
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