CN102535735A - Preparation method of phase-change energy-storage gypsum wallboard - Google Patents
Preparation method of phase-change energy-storage gypsum wallboard Download PDFInfo
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- CN102535735A CN102535735A CN2011101874894A CN201110187489A CN102535735A CN 102535735 A CN102535735 A CN 102535735A CN 2011101874894 A CN2011101874894 A CN 2011101874894A CN 201110187489 A CN201110187489 A CN 201110187489A CN 102535735 A CN102535735 A CN 102535735A
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- gypsum
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- change material
- plastic bag
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- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 71
- 239000010440 gypsum Substances 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000004146 energy storage Methods 0.000 title abstract description 19
- 239000012782 phase change material Substances 0.000 claims abstract description 52
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000009825 accumulation Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 23
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 239000011507 gypsum plaster Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 208000034189 Sclerosis Diseases 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003837 high-temperature calcination Methods 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000011232 storage material Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010942 self-nucleation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The invention discloses a preparation method of a phase change energy storage gypsum wallboard, which adopts gypsum powder as a main raw material, melts a phase change material, pours the phase change material into a rectangular plastic bag, seals the rectangular plastic bag, horizontally places the rectangular plastic bag, cools and fixes the rectangular plastic bag into a phase change material board, then places the phase change material board sealed by the plastic bag into a mold filled with part of gypsum slurry, and removes the mold after a sample is hardened after 2 to 3 hours to obtain the phase change energy storage gypsum wallboard with two side structures of gypsum boards and a middle interlayer structure of the phase change material board sealed by the plastic bag. Compared with the prior art, the preparation method of the phase change energy storage gypsum wallboard has the advantages of simple production process and high production efficiency, and the prepared phase change energy storage gypsum wallboard has the advantages of low cost, capability of effectively controlling the indoor temperature fluctuation of a building, reduction of building energy consumption and the like.
Description
Technical field
The present invention relates to the energy-storage composite material field, relate in particular to a kind of preparation method of phase-change accumulation energy gypsum wallboard.
Background technology
Improving energy use efficiency is an important problem in modern society's sustainable development.The social in modern times energy uses in the total amount, and energy for building occupies very big proportion, has almost consumed 1/3rd of social total energy at some national building fields.Therefore, improving the building efficiency is very valuable for the energy use efficiency that improves entire society.The approach that improves the building efficiency can be divided into passive method and active method.Passive method is to utilize the low material of thermal conductivity coefficient to improve the building heat preserving heat-insulating capability, thereby improves its energy use efficiency.And active method is to improve the efficiency of energy utilization of building through the material that utilization has an energy-storage function.Energy storage material can be divided into two types: sensible heat energy storage material and latent heat storage material.Example in architectural sensible heat energy storage with material has waterwall and Trombe wall.The heat energy that the heat energy that the material sensible heat stores stores much smaller than latent heat.For example specific heat of water belongs in various materials than higher, is 4.2J/g ℃.And the enthalpy of phase change of general phase-changing energy storage material tens to J/g between the hundreds of.Therefore, reach the level close with hidden heat energy storage, the temperature of sensible heat energy storage material will have ten to spend to the variation of 100 degree, almost is impossible.Excessive variations in temperature is unfavorable for the use of energy.And the latent heat of phase change energy storage is except energy storage density is big, and it is highly stable that another advantage is exactly the energy storage temperature, and excursion is little, is convenient to the use of energy.
Utilize material in phase transition process energy-absorbing with release can characteristics, realize the storage of energy and when utilizing in recent years in one of active direction of various fields such as the energy, material, Aero-Space, weaving, electric power, medical instrument, building.Phase-change accumulation energy has advantages such as energy storage density height, energy storage easy control of temperature and range of choice are wide, has got into practicability and commercialization stage in some fields at present.
The material that is used for phase-change accumulation energy becomes phase-change material, and research at present is the solid-liquid phase change material with more feasible phase-change material often, promptly utilizes the material of solid-liquid phase change process heat energy storage.Gu the volumetric change that-gas or liquid-gas phase becomes is too big, and does not possess practical value.But also there is the problem of encapsulation in actual use in the solid-liquid phase change material.Research in early days and on probation in, people have selected for use some inorganic hydrated salts as phase-change material and the canister packaging container as phase-change material.There is serious etching problem in very fast discovery, adds the cold problem of mistake of inorganic water and salt, causes the non-constant of durability.In recent years, organic type of phase-change material especially the paraffin class phase-change material then because of its congruent melting, self-nucleation, do not have characteristics such as cold phase-splitting, no burn into chemistry and Heat stability is good, price be low and enjoyed favor in the thermal storage and energy accumulation research field.But, in practicality, must consider its encapsulation owing to there is the shortcoming of liquid phase-change material seepage in the solid-liquid phase change process.Use some method for packing in the prior art, like methods such as macroscopical container encloses, microscopic capsules encapsulation, the crosslinked encapsulation of microcosmic, but these methods all exist technology complicated, shortcomings such as material cost costliness.
Summary of the invention
The object of the present invention is to provide the preparation method of the phase-change accumulation energy gypsum wallboard that a kind of production technology is simple, heat insulating effect is obvious, with low cost.
Technical scheme of the present invention is: a kind of preparation method of phase-change accumulation energy gypsum wallboard; Adopt land plaster as primary raw material; With pouring in the rectangular polybag and sealing after the phase-change material fusing; Keep flat, cooling is fixed into phase-change material plate, the mould inside of then the phase-change material plate behind the plastic bag sealing being inserted the filling part gypsum slurry; Treat after 2-3 hour that it is gypsum plank that sample sclerosis form removal afterwards promptly obtains the both sides structure, the intermediate course structure is the phase-change accumulation energy gypsum wallboard of plastic bag sealing phase-change material plate.
In preferred embodiment of the present invention, the thickness of described plastic bag sealing phase-change material plate is 1-2cm.
In preferred embodiment of the present invention, described phase-change material adopts paraffin.
In preferred embodiment of the present invention, the material of polybag adopts a kind of in polypropylene, polyvinyl, polyvinyl chloride, polystyrene, polyamide or the thermoplastic polyester in the described plastic bag sealing phase-change material plate.
In preferred embodiment of the present invention, the thickness of described polybag is 10-50 μ m.
In preferred embodiment of the present invention, described land plaster comprises high strength gypsum powder, building gypsum plaster or high-temperature calcination gypsum.
In preferred embodiment of the present invention, the ratio of land plaster and water is 1 in the described gypsum slurry: 0.5-1: 0.7.
In preferred embodiment of the present invention, in the described phase-change accumulation energy gypsum wallboard, the volume content of plastic bag sealing phase-change material plate is 10%-30%.
Compared with prior art, preparation method's production technology of phase-change accumulation energy gypsum wallboard of the present invention is simple, and production efficiency is high, and the product phase-change accumulation energy gypsum wallboard of system has with low cost, can effectively control the building fluctuations in indoor temperature, reduces advantages such as building energy consumption.
The specific embodiment
Embodiment 1
Adopt land plaster, phase-change material to prepare the phase-change accumulation energy gypsum wallboard; Phase-change material adopts paraffin; With pouring in the rectangular polybag behind the melted paraffin wax and sealing, keep flat, cooling is fixed into the mould inside that the filling part gypsum slurry inserted the phase-change material plate behind the plastic bag sealing then by the phase-change material plate; Treat after 2-3 hour that it is gypsum plank that sample sclerosis form removal afterwards promptly obtains the both sides structure, the intermediate course structure is the phase-change accumulation energy gypsum wallboard of plastic bag sealing phase-change material plate.Wherein, The thickness of plastic bag sealing phase-change material plate is 1-2cm; The material of polybag adopts a kind of in polypropylene, polyvinyl, polyvinyl chloride, polystyrene, polyamide or the thermoplastic polyester; The thickness of polybag is 10-50 μ m, and land plaster is a kind of in high strength gypsum powder, building gypsum plaster or the high-temperature calcination gypsum, and the ratio of land plaster and water is 1 in the gypsum slurry: 0.5-1: 0.7.In the present embodiment; The thickness of plastic bag sealing phase-change material plate is 1cm, and the polybag material adopts polypropylene, and thickness is 20 μ m; Land plaster is a building gypsum plaster; The ratio of land plaster and water is 1: 0.6 in the gypsum slurry, and in the phase-change accumulation energy gypsum wallboard, the volume content of plastic bag sealing phase-change material plate is 10%.Sheet material thermal insulation contrast experiment under the phase-change accumulation energy gypsum wallboard of embodiment 1 preparation and gypsum plank imposed a condition; Impose a condition for: room temperature is 12 ℃; 45 ℃ of heating of base plate face; Remove the base plate face Deng the top board surface temperature after constant and be heated, top board surface temperature situation of change in this process, experimental result sees also shown in the table 1.
Table 1
Embodiment 2
Adopt land plaster, phase-change material to prepare the phase-change accumulation energy gypsum wallboard; Phase-change material adopts paraffin; With pouring in the rectangular polybag behind the melted paraffin wax and sealing, keep flat, cooling is fixed into the mould inside that the filling part gypsum slurry inserted the phase-change material plate behind the plastic bag sealing then by the phase-change material plate; Treat after 2-3 hour that it is gypsum plank that sample sclerosis form removal afterwards promptly obtains the both sides structure, the intermediate course structure is the phase-change accumulation energy gypsum wallboard of plastic bag sealing phase-change material plate.Wherein, the thickness of plastic bag sealing phase-change material plate is 1-2cm, and the material of polybag adopts a kind of in polypropylene, polyvinyl, polyvinyl chloride, polystyrene, polyamide or the thermoplastic polyester, and the thickness of polybag is 10-50 μ m.Land plaster is a kind of in high strength gypsum powder, building gypsum plaster or the high-temperature calcination gypsum, and the ratio of land plaster and water is 1 in the gypsum slurry: 0.5-1: 0.7, in the present embodiment; The thickness of plastic bag sealing phase-change material plate is 1cm, and the polybag material adopts polypropylene, and thickness is 20 μ m; Land plaster is a building gypsum plaster; The ratio of land plaster and water is 1: 0.6 in the gypsum slurry, and in the phase-change accumulation energy gypsum wallboard, the volume content of plastic bag sealing phase-change material plate is 20%.Sheet material thermal insulation contrast experiment under the phase-change accumulation energy gypsum wallboard of embodiment 2 preparation and gypsum plank imposed a condition; Impose a condition for: room temperature is 12 ℃; 45 ℃ of heating of base plate face; Remove the base plate face Deng the top board surface temperature after constant and be heated, top board surface temperature situation of change in this process, experimental result sees also shown in the table 2.
Table 2
Embodiment 3
Adopt land plaster, phase-change material to prepare the phase-change accumulation energy gypsum wallboard; Phase-change material adopts paraffin; With pouring in the rectangular polybag behind the melted paraffin wax and sealing, keep flat, cooling is fixed into the mould inside that the filling part gypsum slurry inserted the phase-change material plate behind the plastic bag sealing then by the phase-change material plate; Treat after 2-3 hour that it is gypsum plank that sample sclerosis form removal afterwards promptly obtains the both sides structure, the intermediate course structure is the phase-change accumulation energy gypsum wallboard of plastic bag sealing phase-change material plate.Wherein, the thickness of plastic bag sealing phase-change material plate is 1-2cm, and the material of polybag adopts a kind of in polypropylene, polyvinyl, polyvinyl chloride, polystyrene, polyamide or the thermoplastic polyester, and the thickness of polybag is 10-50 μ m.Land plaster is a kind of in high strength gypsum powder, building gypsum plaster or the high-temperature calcination gypsum, and the ratio of land plaster and water is 1 in the gypsum slurry: 0.5-1: 0.7, in the present embodiment; The thickness of plastic bag sealing phase-change material plate is 1cm, and the polybag material adopts polypropylene, and thickness is 20 μ m; Land plaster is a building gypsum plaster; The ratio of land plaster and water is 1: 0.6 in the gypsum slurry, and in the phase-change accumulation energy gypsum wallboard, the volume content of plastic bag sealing phase-change material plate is 30%.Sheet material thermal insulation contrast experiment under the phase-change accumulation energy gypsum wallboard of embodiment 3 preparation and gypsum plank imposed a condition; Impose a condition for: room temperature is 12 ℃; 45 ℃ of heating of base plate face; Remove the base plate face Deng the top board surface temperature after constant and be heated, top board surface temperature situation of change in this process, experimental result sees also shown in the table 3.
Table 3
Can find out that by table 1 to table 3 the phase-change accumulation energy gypsum wallboard that the present invention makes is compared with gypsum plank, have better control building fluctuations in indoor temperature, reduce advantages such as building energy consumption.
The above; Be merely the specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (8)
1. the preparation method of a phase-change accumulation energy gypsum wallboard; Adopt land plaster as primary raw material; It is characterized in that: with pouring in the rectangular polybag and sealing after the phase-change material fusing; Keep flat, cooling is fixed into phase-change material plate, the mould inside of then the phase-change material plate behind the plastic bag sealing being inserted the filling part gypsum slurry; Treat after 2-3 hour that it is gypsum plank that sample sclerosis form removal afterwards promptly obtains the both sides structure, the intermediate course structure is the phase-change accumulation energy gypsum wallboard of plastic bag sealing phase-change material plate.
2. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 1 is characterized in that: the thickness of described plastic bag sealing phase-change material plate is 1-2cm.
3. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 2 is characterized in that: described phase-change material adopts paraffin.
4. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 3 is characterized in that: the material of polybag adopts a kind of in polypropylene, polyvinyl, polyvinyl chloride, polystyrene, polyamide or the thermoplastic polyester in the described plastic bag sealing phase-change material plate.
5. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 4 is characterized in that: the thickness of described polybag is 10-50 μ m.
6. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 1 is characterized in that: described land plaster is a kind of in high strength gypsum powder, building gypsum plaster or the high-temperature calcination gypsum.
7. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 6 is characterized in that: the ratio of land plaster and water is 1 in the described gypsum slurry: 0.5-1: 0.7.
8. the preparation method of phase-change accumulation energy gypsum wallboard according to claim 1 is characterized in that: in the described phase-change accumulation energy gypsum wallboard, the volume content of plastic bag sealing phase-change material plate is 10%-30%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669622A (en) * | 2013-12-09 | 2014-03-26 | 南京工业大学 | Anisotropic phase change energy storage composite board |
| CN104153513A (en) * | 2014-07-31 | 2014-11-19 | 苏州科技学院 | Capillary based phase-change energy-storage wallboard and preparation method thereof |
| CN112092141A (en) * | 2020-08-11 | 2020-12-18 | 北新集团建材股份有限公司 | Sandwich phase-change energy-storage gypsum board and preparation method thereof |
| CN112812748A (en) * | 2020-09-25 | 2021-05-18 | 齐鲁工业大学 | Energy storage temperature control material, preparation method thereof and application of material as building heat insulation layer |
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| CN112092141B (en) * | 2020-08-11 | 2022-03-29 | 北新集团建材股份有限公司 | Sandwich phase-change energy-storage gypsum board and preparation method thereof |
| CN112812748A (en) * | 2020-09-25 | 2021-05-18 | 齐鲁工业大学 | Energy storage temperature control material, preparation method thereof and application of material as building heat insulation layer |
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|---|---|
| CN102535735B (en) | 2015-03-04 |
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Address after: 213141 Jiangsu Province, Changzhou city Wujin District Zou Quzhen Bu Yi Industrial Zone, Road No. 1 Patentee after: Jiangsu Nigao Science & Technology Co.,Ltd. Patentee after: Nanjing Tech University Patentee after: CHANGZHOU ARCHITECTUAL RESEARCH INSTITUTE GROUP Co.,Ltd. Address before: 213141 Jiangsu Province, Changzhou city Wujin District Zou Quzhen Bu Yi Industrial Zone, Road No. 1 Patentee before: Jiangsu Nigao Science & Technology Co.,Ltd. Patentee before: Nanjing Tech University Patentee before: CHANGZHOU ARCHITECTURAL RESEARCH INSTITUTE Co.,Ltd. |