CN104829189A - Phase-change energy-storing composite foam concrete block - Google Patents
Phase-change energy-storing composite foam concrete block Download PDFInfo
- Publication number
- CN104829189A CN104829189A CN201510001889.XA CN201510001889A CN104829189A CN 104829189 A CN104829189 A CN 104829189A CN 201510001889 A CN201510001889 A CN 201510001889A CN 104829189 A CN104829189 A CN 104829189A
- Authority
- CN
- China
- Prior art keywords
- foam concrete
- phase
- building block
- cement
- concrete block
- 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
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
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a phase-change energy-storing composite foam concrete block which includes a foam concrete block body. A cement-base phase-change material is composited onto an inner side wall of the foam concrete block body and is composed of following components: 48-80% of cement, 0-30% of fly ash, 1.5-3% of re-dispersible latex powder, 0.1-0.3% of cellulase, 0.3-1% of fiber, 10-25% of a shaped phase-change energy-storing material, 0-1% of a water reducing agent and 0-1.5% of a water repellent agent. The cement-base phase-change material is directly poured onto one side wall of the foam concrete and the phase-change energy-storing composite foam concrete block is obtained after hardening maintenance. The concrete block has both a thermal-insulation performance and a temperature-self-adjustment performance, can store heat at a high temperature and release the heat at a low temperature to maintain a relative constant indoor temperature, thereby further enhancing a building energy-saving effect. The concrete block, when being used for wall body, is high in surface strength, is convenient to construct, is leakage-resistant, is good in durability and can satisfy a requirement of energy saving in buildings.
Description
Technical field
The present invention relates to building material technical field, be specifically related to the building block of a kind of phase-change accumulation energy composite foam concrete.
Background technology
Along with the development of economic construction; human society increases day by day to the demand of the energy and dependency; energy resource supply shortage has become the important factor of restriction Economic development; and the exhaustion crisis of the energy and problem of environmental pollution more and more receive the concern of people, improve energy use efficiency and develop the important topic that renewable energy source just becomes human society.Meanwhile, along with the raising of people's living standard, heating, ventilation and idle call can sharply increase, and electric power resource consumption is serious, causes electrical network peak-valley difference and continues to increase, bring very large impact to the security of electrical network and economy.
Bring the pressure of electrical network to alleviate life power consumption, people utilize the latent heat of phase change of phase change material to realize storage and the utilization of energy, to improve energy utilization rate.Phase change material has heat storage performance when phase transformation occurs, and can absorb or discharge a large amount of latent heat, and oneself temperature own can not change.Phase change material is reasonably applied in building block, is conducive to the temperature wave amplitude reducing external wall internal surface, thus make room temp more steady, improve comfort level; Meanwhile, the energy consumption of air-conditioning system equipment is reduced." building block of composite filled phase change material and lagging material " publication number that publication number is " the self-temperature-adjusting phase change building block " of CN101892722, publication number is CN102535730 be " a kind of phase-transition heat-preserving composite block " of CN103088957 by choose reasonable building block block type structure, phase-changing energy storage material and lagging material, positional structure between Optimization Layer and produce the novel self-temperature-adjusting phase change energy storage energy-saving building block with insulation and thermal storage performance.Organic phase change material is impregnated in air-entrained concrete building block by Liu's equality people, makes a kind of novel wall material and tests the performance such as intelligent thermoregulating, intensity of this material.Result shows, this wall-building block has good insulation temperature adjusting performance.Along with the continuous lifting that building energy conservation requires, the application of phase transformation building block is also more and more extensive.
Mainly there is following problem in existing phase transformation building block: 1) preparation technology's more complicated, need prepare holllow building block, then distinguishes fill insulant material, phase change material.2) due to the restriction of building block bore size, phase change material consumption is limited.3) low thermal conductivity of lagging material can delay the temperature adjustment of phase change material.4) consistency of phase change material and building block, limits the selection range of phase change material.
Summary of the invention
The object of the invention is to provide the building block of a kind of phase-change accumulation energy composite foam concrete for the weak point of existing phase transformation building block, this building block have that preparation technology is simple, phase change material quantity of heat storage large, intelligent thermoregulating, without features such as heat bridges.
Realizing technical scheme of the present invention is: the building block of a kind of phase-change accumulation energy composite foam concrete, is characterized in that: be made up of foam concrete block body and the cement based phase change material of building in foam concrete block body inner side-wall.Wherein the consisting of of cement based phase change material: cement 48 ~ 80%, flyash 0 ~ 30%, redispersable latex powder 1.5 ~ 3%, ether of cellulose 0.1 ~ 0.3%, fiber 0.3 ~ 1%, setting phase change energy storage material 10 ~ 25%, water reducer 0 ~ 1%, hydrophober 0 ~ 1.5%.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, it is characterized in that: described foam concrete block is for be prepared into foam with physical method by the foaming agent aqueous solution, foam joined by cement-based gelling material again, gather materials, in the finish mix such as adulterant, admixture and water slurry, through mix and blend, the lightweight cellular concrete building block of building shaping, nature or vapor cure, its apparent density 300 ~ 1300 ㎏/m
3, thermal conductivity 0.03 ~ 0.35 W/ (mk).
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described cement based phase change material was built when namely foam concrete block body inner side-wall builds building block by laying bricks or stones, and cement based phase change material is towards indoor.Described setting phase change energy storage material is that fusing point is suitable for one or more phase change materials of building materials within the scope of 18 ~ 28 DEG C.The water consumption of described cement based phase change material is not fixed, control hierarchy degree≤20mm, and denseness is 60 ~ 100mm.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described cement is PO42.5 level ordinary Portland cement, flyash is I grade or II grade of ash.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described redispersable latex powder is vinyl acetate and ethylene copolymer latex powder, Gu containing >=98%, fineness 0.5 ~ 8 μm.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described ether of cellulose is ethoxyl methyl cellulose ether (HEMC), hydroxypropyl methyl cellulose ether (HPMC), and viscosity is 10 ~ 200,000.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described fiber is polypropene staple, length < 10mm, length-to-diameter ratio 10 ~ 50.
In content of the present invention: described a kind of phase-change accumulation energy composite foam concrete building block, is characterized in that: described water reducer is polycarboxylic acid high-performance water reducer, admittedly containing 35% ~ 50%, water-reducing rate 18% ~ 35%; Described hydrophober is commercially available organosilicon moisture repellent, the one in calcium stearate hydrophober and modification calcium stearate hydrophober.
Compared with prior art, the present invention has features and beneficial effect:
(1) cement based phase change material and foam cement compound use, can effectively reduce indoor heat loss, building thickness, can regulate the consumption of setting phase change energy storage material by controlling cement based phase change material.
(2) a large amount of polymer glue powders and ether of cellulose is mixed with in cement based phase change material, add flexibility and the cohesive strength of cement-based material, the bonding of itself and foam concrete block main body does not have problems and effectively can resist the risk that building block is out of shape, ftractures.
(3) for improving the thermal and insulating performance of building block, the ultimate compression strength of foam concrete block is not high, fragile, one deck cement based phase change material is built on surface, not only can improve the surface strength of foamed concrete, reduce breakage rate, strengthen waterproof effect, can also intelligent thermoregulating effectively, make indoor temperature more steadily, improve comfort level, reduce the energy consumption of air-conditioning system equipment simultaneously.
(4) cement based phase change material thermal conductivity is large and be positioned at indoor, can temperature variation fast in nernst cell and carry out intelligent thermoregulating.
(5) according to climatic characteristic, 1 ~ 2 kind of phase change material can be added in cement based phase change material, to adapt to the needs of different areas, Various Seasonal.
Embodiment
Embodiment with reference to embodiment, but is not limited to embodiment.
Embodiment 1
Consisting of of cement based phase change material: cement 71 parts, 10 parts, flyash, redispersable latex powder 2 parts, ether of cellulose 0.2 part, fiber 0.8 part, setting phase change energy storage material 15 parts, water reducer 0.2 part, hydrophober 0.8 part, 20 parts, water.
Above-mentioned starting material are uniformly mixed, build in 500Kg/m
3foam concrete block on, its thickness with foamed concrete ratio is: 1:8, under 60 DEG C of conditions, obtain finished product building block after maintenance 1d.
The unit weight of composite heat insulation block is: 530Kg/m
3, ultimate compression strength is 3.5MPa
Embodiment 2
Consisting of of cement based phase change material: cement 46.8 parts, 30 parts, flyash, redispersable latex powder 2 parts, ether of cellulose 0.2 part, fiber 0.8 part, setting phase change energy storage material 20 parts, water reducer 0.2 part, 20 parts, water.
Above-mentioned starting material are uniformly mixed, build in 1000Kg/m
3on the foam concrete block of unit weight, its thickness with foamed concrete ratio is: 1:8, under 60 DEG C of conditions, obtain finished product building block after maintenance 1d.
The unit weight of composite heat insulation block is: 1067Kg/m
3, ultimate compression strength is 11.2MPa
Embodiment 3
Consisting of of cement based phase change material: cement 58.8 parts, 20 parts, flyash, redispersable latex powder 2 parts, ether of cellulose 0.2 part, fiber 0.8 part, setting phase change energy storage material 18 parts, water reducer 0.2 part, hydrophober 0.8 part, 30 parts, water.
Above-mentioned starting material are uniformly mixed, build in 600Kg/m
3foam concrete block on, its thickness with foamed concrete ratio is: 1:8, under 60 DEG C of conditions, obtain finished product building block after maintenance 1d.
The unit weight of composite heat insulation block is: 711Kg/m
3, ultimate compression strength is 5.2MPa
Embodiment 4
Consisting of of cement based phase change material: cement 44.6 parts, 10 parts, flyash, redispersable latex powder 2 parts, ether of cellulose 0.2 part, fiber 0.8 part, setting phase change energy storage material 14 parts, water reducer 0.2 part, hydrophober 1 part, 27 parts, water.
Above-mentioned starting material are uniformly mixed, build in 400Kg/m
3on the foam concrete block of unit weight, its thickness with foamed concrete ratio is: 1:9, under 60 DEG C of conditions, obtain finished product building block after maintenance 1d.
The unit weight of composite heat insulation block is: 520Kg/m
3, ultimate compression strength is 2.8MPa
Embodiment 5
Consisting of of cement based phase change material: cement 49.8 parts, 25 parts, flyash, redispersable latex powder 2 parts, ether of cellulose 0.2 part, fiber 0.8 part, setting phase change energy storage material 22 parts, water reducer 0.2 part, 25 parts, water.
Above-mentioned starting material are uniformly mixed, build in 800Kg/m
3on the foam concrete block of unit weight, its thickness with foamed concrete ratio is: 1:8, under 60 DEG C of conditions, obtain finished product building block after maintenance 1d.
The unit weight of composite heat insulation block is: 889Kg/m
3, ultimate compression strength is 8.2MPa
In above-described embodiment: described redispersable latex powder is vinyl acetate and ethylene copolymer latex powder, Gu containing >=98%, fineness 0.5 ~ 8 μm.Described ether of cellulose is ethoxyl methyl cellulose ether (HEMC), hydroxypropyl methyl cellulose ether (HPMC), and viscosity is 10 ~ 200,000.Described fiber is polypropene staple, length < 10mm, length-to-diameter ratio 10 ~ 50.Described water reducer is polycarboxylic acid high-performance water reducer, admittedly containing 35% ~ 50%, and water-reducing rate 18% ~ 35%; Described hydrophober is commercially available organosilicon moisture repellent, the one in calcium stearate hydrophober and modification calcium stearate hydrophober.Described setting phase change energy storage material is that fusing point is suitable for one or more phase change materials of building materials within the scope of 18 ~ 28 DEG C.Described foam concrete block is the regular foam concrete segment that conventional material and physical blowing obtain.
Claims (9)
1. a phase-change accumulation energy composite foam concrete building block, is characterized in that: be made up of foam concrete block body and the cement based phase change material of building in foam concrete block body inner side-wall.
2. wherein the consisting of of cement based phase change material: cement 48% ~ 80%, flyash 0 ~ 30%, redispersable latex powder 1.5% ~ 3%, ether of cellulose 0.1% ~ 0.3%, fiber 0.3% ~ 1%, setting phase change energy storage material 10% ~ 25%, water reducer 0 ~ 1%, hydrophober 0 ~ 1.5%.
3. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, it is characterized in that: described foam concrete block is for be prepared into foam with physical method by the foaming agent aqueous solution, foam joined by cement-based gelling material again, gather materials, in the finish mix such as adulterant, admixture and water slurry, through mix and blend, the lightweight cellular concrete building block of building shaping, nature or vapor cure, its apparent density 300 ~ 1300 ㎏/m
3, thermal conductivity 0.03 ~ 0.35 W/ (mk).
4. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described cement based phase change material was built when namely foam concrete block body inner side-wall builds building block by laying bricks or stones, and phase change material is towards indoor.
5. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described cement is PO42.5 level ordinary Portland cement, and flyash is I grade or II grade of ash.
6. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described redispersable latex powder is vinyl acetate and ethylene copolymer latex powder, Gu containing >=98%, and fineness 0.5 ~ 8 μm.
7. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described ether of cellulose is ethoxyl methyl cellulose ether (HEMC), hydroxypropyl methyl cellulose ether (HPMC), and viscosity is 10 ~ 200,000.
8. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described fiber is polypropene staple, length < 10mm, length-to-diameter ratio 10 ~ 50.
9. a kind of phase-change accumulation energy composite foam concrete according to claim 1 building block, is characterized in that: described water reducer is polycarboxylic acid high-performance water reducer, admittedly containing 35% ~ 50%, and water-reducing rate 18% ~ 35%; Described hydrophober is commercially available organosilicon moisture repellent, the one in calcium stearate hydrophober and modification calcium stearate hydrophober.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001889.XA CN104829189B (en) | 2015-01-05 | 2015-01-05 | Phase-change energy-storing composite foam concrete block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001889.XA CN104829189B (en) | 2015-01-05 | 2015-01-05 | Phase-change energy-storing composite foam concrete block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104829189A true CN104829189A (en) | 2015-08-12 |
| CN104829189B CN104829189B (en) | 2017-02-22 |
Family
ID=53807445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001889.XA Active CN104829189B (en) | 2015-01-05 | 2015-01-05 | Phase-change energy-storing composite foam concrete block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104829189B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254246A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Blue concrete block and preparation method thereof |
| CN105254248A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Yellow concrete block and preparation method thereof |
| CN105254247A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Red concrete block and preparation method thereof |
| CN105254245A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Purple concrete block and preparation method thereof |
| CN105272033A (en) * | 2015-10-19 | 2016-01-27 | 嘉善远大新型墙体有限公司 | Brown concrete block and preparation method thereof |
| CN107265965A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel foam concrete segment and preparation method thereof |
| CN108911676A (en) * | 2018-08-30 | 2018-11-30 | 浙江远通建筑材料有限公司 | A kind of preparation method of air-entrained concrete building block |
| CN114809358A (en) * | 2022-04-25 | 2022-07-29 | 上海师范大学 | Phase change energy storage concrete wall for heat preservation and insulation |
| CN115043629A (en) * | 2022-06-30 | 2022-09-13 | 长安大学 | Phase-change heat storage foam concrete, preparation method thereof and preparation method of heat storage wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519291A (en) * | 2008-02-27 | 2009-09-02 | 中国京冶工程技术有限公司 | Cement based self-leveling mortar with temperature regulation function |
| US8070876B1 (en) * | 2011-05-05 | 2011-12-06 | Haihong Jiang | Fireproof insulating cementitious foam comprising phase change materials |
| CN102477775A (en) * | 2010-11-29 | 2012-05-30 | 王健 | Composite thermal insulation structure of wall |
| CN103771808A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Phase change thermal storage cement mortar containing rubber powder and preparation method thereof |
-
2015
- 2015-01-05 CN CN201510001889.XA patent/CN104829189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519291A (en) * | 2008-02-27 | 2009-09-02 | 中国京冶工程技术有限公司 | Cement based self-leveling mortar with temperature regulation function |
| CN102477775A (en) * | 2010-11-29 | 2012-05-30 | 王健 | Composite thermal insulation structure of wall |
| US8070876B1 (en) * | 2011-05-05 | 2011-12-06 | Haihong Jiang | Fireproof insulating cementitious foam comprising phase change materials |
| CN103771808A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Phase change thermal storage cement mortar containing rubber powder and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254246A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Blue concrete block and preparation method thereof |
| CN105254248A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Yellow concrete block and preparation method thereof |
| CN105254247A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Red concrete block and preparation method thereof |
| CN105254245A (en) * | 2015-10-19 | 2016-01-20 | 嘉善远大新型墙体有限公司 | Purple concrete block and preparation method thereof |
| CN105272033A (en) * | 2015-10-19 | 2016-01-27 | 嘉善远大新型墙体有限公司 | Brown concrete block and preparation method thereof |
| CN107265965A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel foam concrete segment and preparation method thereof |
| CN107265965B (en) * | 2016-04-08 | 2020-02-18 | 南京唯才新能源科技有限公司 | Aerogel foam concrete building block and preparation method thereof |
| CN108911676A (en) * | 2018-08-30 | 2018-11-30 | 浙江远通建筑材料有限公司 | A kind of preparation method of air-entrained concrete building block |
| CN114809358A (en) * | 2022-04-25 | 2022-07-29 | 上海师范大学 | Phase change energy storage concrete wall for heat preservation and insulation |
| CN115043629A (en) * | 2022-06-30 | 2022-09-13 | 长安大学 | Phase-change heat storage foam concrete, preparation method thereof and preparation method of heat storage wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104829189B (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104829189A (en) | Phase-change energy-storing composite foam concrete block | |
| CN101880149A (en) | Phase-change and energy-storage desulfurized gypsum interior wall thermal-insulation mortar | |
| CN104649632A (en) | Phase-change energy-storage temperature-regulation foam concrete and preparation method thereof | |
| CN102219415B (en) | Light sand without burning and preparation method thereof | |
| CN102659354B (en) | A-grade non-ignitable heat insulating material and preparation method thereof | |
| CN101759416A (en) | Thermal insulation building mortar and preparation process thereof | |
| CN103755274A (en) | Aerated concrete block and preparation method thereof | |
| CN101508593A (en) | Ultra-light heat insulation foam concrete and uses thereof | |
| CN103058611A (en) | Foamed cement material and production and preparation method thereof | |
| CN101781918A (en) | Insulation block and method of using thermal insulation mortar to prepare insulation block | |
| CN101032841A (en) | Single unit heat-insulating dry mortar and the producing method | |
| CN101475345A (en) | Cement based polymer heat preserving dry powder mortar and using method thereof | |
| CN101481237A (en) | Preparation method of phase-change heat-storage heat-preservation porous building block | |
| CN102424556A (en) | Ultra-low apparent density and high-performance foam concrete material and its preparation method | |
| CN103408272A (en) | Design method of ceramsite foam concrete | |
| CN103317789B (en) | Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar | |
| CN101993226A (en) | High-performance polyurethane external thermal insulation anti-crack leveling mortar and construction method thereof | |
| CN101555115A (en) | Phase change energy saving building material | |
| CN105503056A (en) | Environment-friendly insulated flame-retardant building material and preparation method thereof | |
| CN102701705B (en) | Light high-strength masonry material for thin mortar joints and preparation method thereof | |
| CN102476936A (en) | Phase-transition energy-storage material for thermal insulation of building | |
| CN101016206A (en) | Wall heat-insulating boundary mortar | |
| CN103771822B (en) | A kind of water-proof heat-insulation material and preparation method thereof | |
| CN109437802A (en) | A kind of sulphate aluminium cement assembled integrated interior wall and preparation method thereof | |
| CN103496893A (en) | Novel energy-saving, heat-preservation and environment-friendly building sand material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |