CN104153513A - Capillary based phase-change energy-storage wallboard and preparation method thereof - Google Patents
Capillary based phase-change energy-storage wallboard and preparation method thereof Download PDFInfo
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- CN104153513A CN104153513A CN201410372850.4A CN201410372850A CN104153513A CN 104153513 A CN104153513 A CN 104153513A CN 201410372850 A CN201410372850 A CN 201410372850A CN 104153513 A CN104153513 A CN 104153513A
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Abstract
The invention discloses a capillary based phase-change energy-storage wallboard and a preparation method thereof. The preparation method comprises the steps of packaging a phase change material into capillaries in a liquid state through injection or sucking up, folding and fixing the two ends of each capillary, sealing the two ends, and controlling the length within a mold dimension; arranging the capillaries containing the phase change material in an energy-storage wallboard in parallel, wherein the distance between the capillaries can be adjusted according to the content of the phase change material; pouring gypsum emulsion or cement mortar and other building materials into a mold, compacting and airing to prepare the phase-change energy-storage wallboard. The change of the temperature of the wallboard causes phase change of the material in the capillary, so that heat release or heat absorption occurs, the fluctuation of the indoor environment temperature of the building can be reduced, the thermal comfort is improved and the energy consumption of the building is reduced.
Description
Technical field
The present invention relates to a kind of manufacturing technology of building energy-storing wall board, be specifically related to a kind ofly based on phase-change accumulation energy wallboard capillaceous and preparation method thereof, belong to energy-saving building technology field.
Background technology
Day by day improving of expanding economy and living standards of the people brings the constantly soaring of AND ENERGY RESOURCES CONSUMPTION IN CHINA total amount, energy supply growing tension, and the safety supply of the energy has risen becomes National Security Strategy problem.In China's energy medium-and long-term strategy, the safety supply of the energy is set about from two aspects of increasing income and decreasing expenditure, and energy conservation is wanted in throttling exactly, the energy-conservation common recognition that has become the whole society.Building energy consumption is the important component part that social total energy consumes, and China's building energy consumption shared ratio in social total energy consumption has reached 30%, by the construction wall energy consumption that the causes ratio in building total energy consumption of conducting heat, reaches 70% left and right.Body of wall is energy-conservation is the effective measures of building energy conservation, and phase-change accumulation energy wallboard is one of Main Means of building energy conservation.
Phase-change accumulation energy wallboard is exactly in constructional materials, to add appropriate phase-change material by a certain method, utilize phase-change material material phase transformation in variation of ambient temperature process to emit or absorb latent heat of phase change, reduce the fluctuation of Indoor environment temperature, improve thermal comfort, reduce building energy consumption.
Phase-change material mainly comprises direct mixing method, immersion osmosis, large volume package method, the long-pending package method of microbody etc. with the mixed method of the main material of building.Directly mix, soak osmosis making phase transformation wallboard the simplest, simple to operation to the requirement of construction, but phase-change material leaks and the problems such as corrosion of body of wall are its difficulties that is difficult to overcome; Large volume package method is exactly to adopt the container of the larger volumes such as pipe, polybag to carry out packaging phase change material, and its manufacture craft is also fairly simple, and it is convenient to be combined with body of wall, but heat conductivility between body of wall and phase-change material is bad, and material phase transformation process is slow; The long-pending package method of microbody has microcapsules technology, crosslinked polymer, micro-porous adsorption, nano combined etc., it utilizes the characteristic such as bigger serface, micro-size effect of container can enlarge active surface augmentation of heat transfer, but its preparation process relative complex, cost is higher, and easy rupture and leakage.
Summary of the invention
The object of this invention is to provide a kind of based on phase-change accumulation energy wallboard capillaceous, its making is simple and easy, encapsulating material and the main material contact surface of building is large and heat conduction good, phase-change material can not revealed, reduced Indoor environment environment temperature fluctuation, improved thermal comfort, reduced building energy consumption.
To achieve the above object of the invention, the technical solution used in the present invention is:
Based on a phase-change accumulation energy wallboard capillaceous, comprise the main material of capillary tube, phase-change material and wallboard; Described phase-change material is positioned at capillary tube; Described capillary tube is positioned at the main material of wallboard;
The phase transition temperature of described phase-change material is 15～40 ℃;
Described capillary tube is that caliber is the polyethylene pipe of 1.5～5mm;
The main material of described wallboard is gypsum or concrete.
In technique scheme, described phase-change material is a kind of or more than one mixtures in sal glauberi, calcium chloride, paraffin.
In technique scheme, capillary tube two ends encapsulate with glass cement.
In technique scheme, described capillary tube is arranged in parallel in the main material of wallboard.Being preferably capillary tube is evenly arranged in parallel.
In technique scheme, in described phase-change accumulation energy wallboard, the mass fraction of phase-change material is 5～30%.
In technique scheme, in capillary tube, also pack metallic particles or metal oxide particle into.So can improve the heat conductivility of material, metal can be copper; Metal oxide can be cupric oxide, alumina etc.Generally select the particles filled of 10～100 nanosizeds.
The invention also discloses the above-mentioned preparation method based on phase-change accumulation energy wallboard capillaceous, comprise the following steps:
(1) phase-change material is encapsulated into capillary tube;
(2) land plaster is added in mould; Then add gypsum emulsion; Repave the capillary tube that contains phase-change material; And then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Or
Dry cement is added in mould; Then add cement mortar; Repave the capillary tube that contains phase-change material; And then add cement mortar; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous.
In technique scheme, in step (2), the capillary tube that contains phase-change material is arranged in parallel in mould.Be preferably evenly and be arranged in parallel.
In technique scheme, described gypsum emulsion comprises gypsum and water; Described cement mortar is routine building cement mortar.While adding for the first time gypsum emulsion or cement mortar, thickness is to 1/3～1/2 place of mold height.
In the present invention, the compacting in capillary tube, step (2) that phase-change material is packed in step (1) is dried and is belonged to prior art.Can under liquid state, pack phase-change material into capillary tube by the method for injecting or drawing.
Because technique scheme is used, the present invention compared with prior art has following advantages:
(1) the present invention is usingd capillary tube first as container, be encapsulated into therein phase-change material, prepare again novel energy-storing body of wall, the variation of body of wall temperature causes material in capillary tube to undergo phase transition, thereby heat release or heat absorption, reach the fluctuation that reduces Indoor environment environment temperature, improve thermal comfort, reduce the object of building energy consumption.
(2) disclosed by the invention based in phase-change accumulation energy wallboard capillaceous, capillary tube is for packaging phase change material, prevents that phase-change material from leaking and corrosion to the main material of wallboard; And the main material contact area of capillary tube and wallboard is large, and heat conduction is fast.
(3) preparation method of the present invention is simple, easy operating, and preparation time is short, and prepared based on phase-change accumulation energy wallboard capillaceous stable performance, raw material is cheaply easy to get, pollution-free, is applicable to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is embodiment mono-deadlight temperature outside response diagram;
Fig. 2 is embodiment bis-deadlight temperature outside response diagrams;
Fig. 3 is embodiment tri-deadlight temperature outside response diagrams;
Fig. 4 is embodiment tetra-deadlight temperature outside response diagrams;
Fig. 5 is embodiment five deadlight temperature outside response diagrams.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment, the invention will be further described:
In embodiments of the invention, when the method for testing of temperature-responsive is test, wallboard inner side contacts with simulated environment, and wallboard outside contacts with indoor environment, and indoor environment temperature is controlled at a certain temperature.Simulated environment circulates between 15～55 ℃, sets and heats up and rate of temperature fall, and constant temperature appropriate time between intensification and cooling, heats up and the circulation of lowering the temperature, and records the response of wallboard temperature outside with the variation of temperature in high-low temperature chamber.
embodiment mono-
1, the preparation based on phase-change accumulation energy wallboard capillaceous
(1) with specification be F2.5 * 0.05mm vinyl tube as capillary tube, every capillary length is 150mm; Pouring into 24 capillaries after the heating of the sal glauberi of 20g, use glass cement end socket;
(2) at mold bottom, add one deck land plaster, then add gypsum emulsion, thickness is to mold height 1/3 place; Repave the vinyl tube that contains sal glauberi; Then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Vinyl tube is arranged in parallel.
2, the preparation of pure gypsum wallboard
Land plaster is added to mold bottom; Then add gypsum emulsion; Last compacting is dried, and makes pure gypsum wallboard.
Accompanying drawing 1 is above-mentionedly based on phase-change accumulation energy wallboard capillaceous and pure gypsum wallboard temperature outside response diagram, can observe with pure gypsum plank and compare, sal glauberi add the thermal storage performance that improves wallboard, weakened range of temperature.Containing the energy-storing wall board maximum temperature of phase-change material, reduced by 8.4 ℃ of left and right, minimum temperature has approximately improved 3 ℃, temperature-responsive time lag 8.5min.
embodiment bis-
1, the preparation based on phase-change accumulation energy wallboard capillaceous
(1) with specification be F2.5 * 0.05mm vinyl tube as capillary tube, every capillary length is 150mm; Pouring into 33 capillaries after the heating of the sal glauberi of 30g, use glass cement end socket;
(2) at mold bottom, add one deck land plaster, then add gypsum emulsion, thickness is to mold height 1/2 place; Repave the vinyl tube that contains sal glauberi; Then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Vinyl tube is arranged in parallel.
2, the preparation of pure gypsum wallboard
Land plaster is added to mold bottom; Then add gypsum emulsion; Last compacting is dried, and makes pure gypsum wallboard.
Accompanying drawing 2 is above-mentionedly based on phase-change accumulation energy wallboard capillaceous and pure gypsum wallboard temperature outside response diagram, can observe with pure gypsum plank and compare, sal glauberi add the thermal storage performance that improves wallboard, weakened range of temperature.Containing the energy-storing wall board maximum temperature of phase-change material, reduced by 10 ℃, minimum temperature has approximately improved 3 ℃, temperature-responsive time lag 11min.
embodiment tri-
1, the preparation based on phase-change accumulation energy wallboard capillaceous
(1) with specification be F3.5 * 0.05mm vinyl tube as capillary tube, every capillary length is 150mm; Pouring into 20 capillaries after the heating of the sal glauberi of 30g, use glass cement end socket;
(2) at mold bottom, add one deck land plaster, then add gypsum emulsion, thickness is to mold height 1/3 place; Repave the vinyl tube that contains sal glauberi; Then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Vinyl tube is arranged in parallel.
Accompanying drawing 3 be embodiment mono-and embodiment tri-preparations based on phase-change accumulation energy wallboard temperature outside response diagram capillaceous, can observe with the phase transformation wallboard of 2.5mm caliber and compare, the phase transformation wallboard maximum temperature of 3.5mm caliber has declined 2.2 ℃, response time delay lacked 4min.
embodiment tetra-
1, the preparation based on phase-change accumulation energy wallboard capillaceous
(1) with specification be F2.5 * 0.05mm vinyl tube as capillary tube, every capillary length is 150mm; 15g paraffin (wherein solid paraffin mass percent is 6%, and atoleine mass percent is 94%) is poured into 29 capillaries, use glass cement end socket;
(2) at mold bottom, add one deck land plaster, then add gypsum emulsion, thickness is to mold height 1/2 place; Repave the vinyl tube that contains paraffin; Then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Vinyl tube is arranged in parallel.
2, the preparation of pure gypsum wallboard
Land plaster is added to mold bottom; Then add gypsum emulsion; Last compacting is dried, and makes pure gypsum wallboard.
Accompanying drawing 4 is above-mentionedly based on phase-change accumulation energy wallboard capillaceous and pure gypsum wallboard temperature outside response diagram, can observe with pure gypsum plank and compare, paraffin add the thermal storage performance that improves wallboard, weakened range of temperature.Energy-storing wall board maximum temperature containing phase-change material has declined 0.5 ℃, and minimum temperature has risen approximately 0.4 ℃.Time delay is in 12min left and right.
embodiment five
1, the preparation based on phase-change accumulation energy wallboard capillaceous
(1) with specification be FF3.5 * 0.05mm vinyl tube as capillary tube, every capillary length is 150mm; Respectively 20g paraffin (wherein solid paraffin mass percent is 6%, and atoleine mass percent is 94%) is poured into 21 capillaries, use glass cement end socket;
(2) at mold bottom, add one deck cement, then add cement mortar, thickness is to mold height 1/3 place; Repave the vinyl tube that contains paraffin; And then add cement mortar; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Vinyl tube is arranged in parallel.
2, the preparation of concrete panel
Cement mortar is added in mould; Compacting is dried, and makes concrete panel.
Accompanying drawing 5 is above-mentionedly based on phase-change accumulation energy wallboard capillaceous and pure concrete panel temperature outside response diagram, can observe with pure concrete slab and compare, paraffin add the thermal storage performance that improves wallboard, weakened range of temperature.Energy-storing wall board maximum temperature containing phase-change material has declined 1.5 ℃, and minimum temperature has risen approximately 0.8 ℃.Time delay is in 10min left and right.
Claims (10)
1. based on a phase-change accumulation energy wallboard capillaceous, it is characterized in that: comprise the main material of capillary tube, phase-change material and wallboard; Described phase-change material is positioned at capillary tube; Described capillary tube is positioned at the main material of wallboard;
The phase transition temperature of described phase-change material is 15～40 ℃;
Described capillary tube is that caliber is the polyethylene pipe of 1.5～5mm;
The main material of described wallboard is gypsum or concrete.
2. according to claim 1 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: phase-change material is a kind of or more than one mixtures in sal glauberi, calcium chloride, paraffin.
3. according to claim 1 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: capillary tube two ends encapsulate with glass cement.
4. according to claim 1 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: described capillary tube is arranged in parallel in the main material of wallboard.
5. according to claim 4 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: capillary tube is evenly arranged in parallel.
6. according to claim 1 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: in described phase-change accumulation energy wallboard, the mass fraction of phase-change material is 5～30%.
7. according to claim 1 based on phase-change accumulation energy wallboard capillaceous, it is characterized in that: in capillary tube, also pack metallic particles or metal oxide particle into.
8. any one preparation method based on phase-change accumulation energy wallboard capillaceous described in claim 1～6, is characterized in that, comprises the following steps:
(1) phase-change material is encapsulated into capillary tube;
(2) land plaster is added in mould; Then add gypsum emulsion; Repave the capillary tube that contains phase-change material; And then add gypsum emulsion; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous; Or
Dry cement is added in mould; Then add cement mortar; Repave the capillary tube that contains phase-change material; And then add cement mortar; Last compacting is dried, and makes based on phase-change accumulation energy wallboard capillaceous.
9. the preparation method based on phase-change accumulation energy wallboard capillaceous according to claim 8, is characterized in that: in step (2), the capillary tube that contains phase-change material is arranged in parallel in mould.
10. the preparation method based on phase-change accumulation energy wallboard capillaceous according to claim 9, is characterized in that: in step (2), the capillary tube that contains phase-change material is evenly arranged in parallel in mould.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731929A (en) * | 2016-02-18 | 2016-07-06 | 江苏富源节能电器有限公司 | Heat storage energy-saving type building phase change material composition and preparation method thereof |
| CN112681604A (en) * | 2020-12-08 | 2021-04-20 | 上海建工五建集团有限公司 | Heat-preservation raw soil wall |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2142135B (en) * | 1983-06-13 | 1987-06-24 | Pennwalt Corp | Thermal energy storage capsules for use in structural building elements |
| CN201666635U (en) * | 2009-07-24 | 2010-12-08 | 张世忠 | Capillary network phase-change thermostat |
| CN101967857A (en) * | 2010-10-11 | 2011-02-09 | 盐城工学院 | Phase change thermal storage board, preparation method thereof and thermal storage device using the phase change thermal storage board |
| CN102269443A (en) * | 2011-07-08 | 2011-12-07 | 华北电力大学 | Indoor geothermal heating structure with capillary network and phase change thermal storage materials |
| CN102384521A (en) * | 2011-10-24 | 2012-03-21 | 沈阳建筑大学 | Phase change energy storage heated brick bed with auxiliary heating function of capillary net |
| CN102535735A (en) * | 2011-07-05 | 2012-07-04 | 江苏尼高科技有限公司 | Preparation method of phase-change energy-storage gypsum wallboard |
| WO2013009538A2 (en) * | 2011-07-11 | 2013-01-17 | Dow Global Technologies Llc | Microcapillary films containing phase change materials |
| CN203361367U (en) * | 2013-10-14 | 2013-12-25 | 郑皓月 | Deformable phase-changing energy-storage sectional material |
| CN103615753A (en) * | 2013-10-22 | 2014-03-05 | 沈阳建筑大学 | Phase change thermal storage kang panel based on capillary network |
-
2014
- 2014-07-31 CN CN201410372850.4A patent/CN104153513A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2142135B (en) * | 1983-06-13 | 1987-06-24 | Pennwalt Corp | Thermal energy storage capsules for use in structural building elements |
| CN201666635U (en) * | 2009-07-24 | 2010-12-08 | 张世忠 | Capillary network phase-change thermostat |
| CN101967857A (en) * | 2010-10-11 | 2011-02-09 | 盐城工学院 | Phase change thermal storage board, preparation method thereof and thermal storage device using the phase change thermal storage board |
| CN102535735A (en) * | 2011-07-05 | 2012-07-04 | 江苏尼高科技有限公司 | Preparation method of phase-change energy-storage gypsum wallboard |
| CN102269443A (en) * | 2011-07-08 | 2011-12-07 | 华北电力大学 | Indoor geothermal heating structure with capillary network and phase change thermal storage materials |
| WO2013009538A2 (en) * | 2011-07-11 | 2013-01-17 | Dow Global Technologies Llc | Microcapillary films containing phase change materials |
| CN102384521A (en) * | 2011-10-24 | 2012-03-21 | 沈阳建筑大学 | Phase change energy storage heated brick bed with auxiliary heating function of capillary net |
| CN203361367U (en) * | 2013-10-14 | 2013-12-25 | 郑皓月 | Deformable phase-changing energy-storage sectional material |
| CN103615753A (en) * | 2013-10-22 | 2014-03-05 | 沈阳建筑大学 | Phase change thermal storage kang panel based on capillary network |
Non-Patent Citations (2)
| Title |
|---|
| 方贵银等: "《蓄能空调技术》", 31 July 2006, 机械工业出版社 * |
| 朱祥等: "稻秆相变储能建筑板材的性能研究", 《粉煤灰》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731929A (en) * | 2016-02-18 | 2016-07-06 | 江苏富源节能电器有限公司 | Heat storage energy-saving type building phase change material composition and preparation method thereof |
| CN112681604A (en) * | 2020-12-08 | 2021-04-20 | 上海建工五建集团有限公司 | Heat-preservation raw soil wall |
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Application publication date: 20141119 |