CN102518218A - Hollow fireproof heat insulation composite material system for exterior wall and construction method of hollow fireproof heat insulation composite material system - Google Patents
Hollow fireproof heat insulation composite material system for exterior wall and construction method of hollow fireproof heat insulation composite material system Download PDFInfo
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- CN102518218A CN102518218A CN2011104261825A CN201110426182A CN102518218A CN 102518218 A CN102518218 A CN 102518218A CN 2011104261825 A CN2011104261825 A CN 2011104261825A CN 201110426182 A CN201110426182 A CN 201110426182A CN 102518218 A CN102518218 A CN 102518218A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The invention relates to a building material, in particular to a hollow fireproof heat insulation composite material system for an exterior wall, which is used for a vertical surface of an exterior wall of a building and comprises a heat insulation mortar layer. The hollow fireproof heat insulation composite material system for the exterior wall is characterized in that the heat insulation mortar layer is mixture consisting of an inorganic heat insulation mortar gelatine powder material and glazed hollow beads or floating beads, and hollow arrayed pipes are buried in the mortar layer; and the inorganic heat insulation mortar gelatine powder material comprises desulfurized gypsum, mineral waste residue, cement, emulsion powder, cellulose ether, water repellent, short fibers and gypsum excitant. The hollow fireproof heat insulation composite material system has the advantages that heat transfer values of fireproof composite heat insulation materials with the thickness of 50mm, extrusion molding sheet plastering heat insulation materials with the thickness of 40mm and molding sheet plastering materials with the thickness of 50mm which are made by the hollow fireproof heat insulation composite material system in a cold region are close, and the requirement of saving energy by 65% can be met. The composite heat insulation material system is reasonable in structure, and can realize heat insulation and inflaming retarding simultaneously, and the service life of the composite heat insulation material system can be greatly prolonged. A provided construction method is simple and convenient, and is convenient in popularization.
Description
Technical field
The present invention relates to constructional materials, be specially a kind of hollow fire-proof compound insulation system and the job practices thereof that are used for vertical face of outer wall of building.
Background technology
External wall outer insulation is used has at home had the more than ten years historical, and its performance is superior to heat preservation system inside, is accepted extensively by people.The external wall outer insulation material is main with organic material mainly, like molded plate, extruded sheet, hard polyurethane foam, granules of polystyrene etc.5 kinds of heat-insulation systems in JCJ144-2004 " external wall outer insulation engineering rules ", recommending, also with the polyphenyl plate organic material as main heat insulating material.But organic external wall heat insulation system in use exists warming plate cracking, aging, distortion, lost efficacy, can not with building with serious problems such as life-spans.And the fire by the wall heat insulation material initiation that takes place successively in recent years sounds the alarm for the application of organic insulation material.Though add fire retardant in organic heat insulating material for external surface of wall, under naked light, its anti-fire flammability is very limited, is difficult to play fire retardation.The insulating product quality is very different in addition, and this has caused very big threat for building safety property and people's lives and properties.A series of fire disasters such as the international square of ring, Harbin longitude and latitude mansion, the Olympic Sports Center, Jinan, Beijing CCTV building all cause serious casualties and property loss in teacher apartment, Jiangzhou, Shanghai road, the Nanjing.For this reason, the Ministry of Public Security issues file No. 65 on March 14th, 2011, highlights the fire line with the standard heat insulating material, and the fire safety grade of building heat preservation has been improved a unprecedented height.Under this context request, China building heat preservation market has run into unprecedented challenge, also to heat insulating material the great market opportunity is provided simultaneously.Have fire safety performance and the two combination of heat preservation energy-saving performance only, can hold an advantageous market position material.
Can replace organic insulation material and fire resistance comparatively ideal at present is inorganic heat insulation material, and its preferred material is a glass bead.With the glass bead is that main thermal insulation mortar is only applicable to southern warm area, then can't use than cold district in the north.The kervit microbead insulated sand slurry test result shows that its coefficient of thermal conductivity is 0.055 ~ 0.080 w/m. k, and carry out hot merit in view of the above and calculate: desire realizes energy-conservation 65% target of exterior wall heat-preserving system, and the minimum thickness of glass bead inorganic heat insulation mortar should be 7 ~ 10 cm.But when being applied to external wall, but very easily ftracture, and be difficult to construction.Therefore, press for the heat insulating inorganic mortar system that development has cost performance height, functional performance excellence, to satisfy the active demand that China's external wall is incubated market outward.
Summary of the invention
The present invention is intended to overcome existing external-wall heat-insulation material inherent shortcoming, and a kind of compound insulation system and job practices thereof that on special inorganic heat insulation mortar basis, increases hollow tube is provided, and reaches insulation, fire-retardant with effective solution exterior wall, improves the requirement in application life.
The technical scheme that the present invention taked is: a kind of exterior wall is with hollow fireproof thermal-insulation composite material system; Comprise heat-insulation mortar bed; It is characterized in that said heat-insulation mortar bed be inorganic heat insulation mortar rubber powder material and glass bead or float the mixture of pearl, the hollow comb of burying underground is arranged in the screed; Said inorganic heat insulation mortar rubber powder material comprises desulfurated plaster, slag powders, cement, latex powder, cellulose ether, hydrophober, short fiber, gypsum activation agent.
Said inorganic heat insulation mortar rubber powder material weight portion ratio is: desulfurated plaster 30-50%, slag powders 35-60%, cement 8-15%, latex powder 2-4%, cellulose ether 0.8-1.5%, hydrophober 0.3-0.8%, polypropylene fibre 0.3-0.5%, gypsum activation agent 1.5-2.5%.
Said inorganic heat insulation mortar rubber powder material weight portion ratio is: desulfurated plaster 40%, slag powders 45%, cement 9%, latex powder 2%, cellulose ether 1%, hydrophober 0.5%, polypropylene fibre 0.5%, gypsum activation agent 2%.
Said gypsum activation agent is the mixture that calcium chloride and sodium chloride are prepared by weight the ratio of 6-8:4-6.
Said hollow comb is polyvinyl chloride pipe or polyethylene pipe or PA tube, and for vacuumizing structure.
Said hollow comb section profile is circular or square or other polygon.
Said heat-insulation mortar bed be inorganic heat insulation mortar rubber powder material and glass bead or float the mixture of pearl by weight 1:4-6.
Above-mentioned exterior wall comprises the steps: with the job practices of hollow fireproof thermal-insulation composite material system
A. mortar configuration: desulfurated plaster, slag powders, cement, latex powder, cellulose ether, hydrophober, polypropylene fibre, gypsum activation agent are mixed in proportion; Process inorganic heat insulation mortar rubber powder material; Again above-mentioned rubber powder material and glass bead evenly are mixed and made into glass bead inorganic heat insulation mortar material in the ratio of 1:4-6, the glass bead for preparing or float pearl inorganic heat insulation mortar material and will in two hours, use up;
B. clear up the residual rubbish of external wall, oil stain, spraying interfacial agents, spraying back airing, summer>4h, spring and autumn>8h;
C. it is heat-insulation mortar bed that the thermal insulation mortar for preparing adopts the mode of smearing or spraying on external wall, to do bottom;
The hollow comb is installed after d. the airing of bottom insulation layer surpasses 12 hours, is adopted crab-bolt to fix;
E. smear or spray the upper strata thermal insulation mortar.
The main performance index of material therefor
A, desulfurated plaster: low temperature drying, require dihydrate gypsum content ratio to be lower than 85%
B, glass bead: unit weight < 100kg/>m3, operative norm " JC/T1042-2007 expanded and vitrified small ball "
C, slag powders: S95, operative norm " GB/T18046-2000 is used for cement and concrete GBFS "
D, cement: PO52-5, operative norm " GB175-2007 general purpose portland cement "
E, latex powder: used two kinds of latex powder, be respectively a watt gram 5044 and 8034
F, gypsum activation agent: autogamy
G, pvc pipe: square-outside and round-inside, 20 * 20mm, internal diameter are 10mm; Flame retardant type, requirement can bear the above pressure of 2kg.
H, to float pearl be a kind of fly ash hollow ball that can bubble through the water column, is canescence, and wall approaches hollow, very light in weight, and unit weight is 720kg/m3 (heavy), 418.8kg/m3 (lightweight), about 0.1 millimeter of particle diameter, surface sealing and light.
Beneficial effect: be close making plaster heat insulating material, the thick moulding thin plate of 50mm plastering material heat transfer number of the thick fire-proof compound insulation material of 50mm and the thick extrusion molding thin plate of 40mm with material system of the present invention, can satisfy energy-conservation 65% demand than cold district.Compound insulating material of the present invention is rational in infrastructure, can take into account insulation, fire-retardant, and can improve greatly application life.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation.
Among the figure, 1. comb, 2. thermal insulation mortar.
The specific embodiment
A kind of exterior wall is with hollow fireproof thermal-insulation composite material system, comprises heat-insulation mortar bedly, it is characterized in that the hollow comb of burying underground 1 being arranged in heat-insulation mortar bed; Said thermal insulation mortar is the mixture of inorganic heat insulation mortar rubber powder material and glass bead for 2 layers, and said inorganic heat insulation mortar rubber powder material weight portion ratio is: desulfurated plaster 40%, slag powders 45%; Cement 9%, latex powder 2%, cellulose ether 1%; Hydrophober 0.5%, polypropylene fibre 0.5%, gypsum activation agent 2%; Said gypsum activation agent is the mixture that calcium chloride and sodium chloride are prepared by weight the ratio of 6-8:4-6; Said hollow comb is for vacuumizing the pvc pipe structure.
Earlier desulfurated plaster, slag powders, cement, latex powder, cellulose ether, hydrophober, polypropylene fibre, gypsum activation agent are mixed according to a certain percentage, process inorganic heat insulation mortar rubber powder material.Again above-mentioned rubber powder material and glass bead evenly are mixed and made into the glass bead inorganic heat insulation mortar in the ratio of 1:5.
The glass bead inorganic heat insulation mortar for preparing is following by " GB/T20473-2006 building heat-insulating mortar " relevant regulations test data:
| Project | Technical requirements |
| Dry density (kg/m3) | 290 |
| Compressive strength (MPa) | 0.27 |
| Coefficient of thermal conductivity (W/mk) | 0.061 |
| Pressure is cut adhesion strength (kpa) | 54 |
| The combustibility rank | The A level |
The concrete construction method of heat insulating material of the present invention:
(1) residual rubbish, the oil stain of cleaning external wall, the spraying interfacial agents.
(2) external wall interfacial agents spraying back summer>4h, spring and autumn>8h can smear or spray thermal insulation mortar.
(3) the thermal insulation mortar cement water ratio stirs in the preparation of the ratio of 1:1.1, need leave standstill after 5 minutes and can use, and the thermal insulation mortar that modulates requires in 2 h, to use up, and surpasses 2 h and forbids wall.
(4) adopt the mode of smearing or spraying on external wall, to do the first thick road insulation layer of 20 mm the thermal insulation mortar for preparing.
(5) first road insulation layers are installed the vacuum comb after surpassing 12 hours, comb is arranged by the requirement of intermediate distance 50 * 50 mm, and comb adopts crab-bolt to fix.
(6) can get into second road after comb installs and smear or spray,, need accomplish at the southern second road thickness that 20 mm are thick and get final product according to the difference of local climate; Need accomplish than cold district that 30 mm are thick in the north just can meet the requirements.
Above-mentioned compound insulation system test:
⑴ the heat transfer of the architectural exterior insulation system that traditional is that the coefficient of thermal conductivity according to heat insulating material calculates through hot merit, and do not consider construction condition, construction technology, construction sequence, the heat transfer numerical value that is drawn is the numerical value in the ecotopia.
⑵ national building materials inspection center and Shanghai Tongji University architectural materials science Institute Office reason are entrusted in the test of native system.
⑶ sample explanation:
A, the thick extruded sheet of employing 40mm are made 990 * 990 * 60mm heat-insulation system by a frame method on the cement board medium, cement board thickness is 30mm.
B, the thick molded plate of employing 50mm are made the thick heat-insulation system of 990 * 990 * 70mm by a frame method on the cement board medium, cement board thickness is 30mm.
C, compound insulating material of the present invention are that medium is made 990 * 990 * 50mm heat-insulation system with the cement board by 5 requirements equally, and cement board thickness is 30mm.
D, medium cement plate thickness, selected concrete, the time of manufacturing are consistent.
⑷ the comparison of heat transfer numerical value:
A, 40 thick extrusion molding plate thin plastering heat-insulation system thermal transmittances are 0.64W/ ㎡ k)
B, 50 thick moulding plate thin plastering heat-insulation system thermal transmittances are 0.63W/ ㎡ k)
C, 50 thick compound insulating material thermal transmittances of the present invention are 0.67W/! ㎡ k)
According to above-mentioned test result analysis; Adopting material of the present invention to make the thick fire-proof compound insulation system of 50 mm than cold district; Compare with the thick extrusion molding plate thin plastering of 40 mm heat-insulation system, the thick moulding plate thin plastering of 50 mm heat-insulation system; Three's thermal transmittance is close, and can satisfy energy-conservation 65% demand.
Hollow fire-proof compound insulation system of the present invention is domestic and international initiative, has the insulation of taking into account, fire-retardant (A level), can with the characteristics of building with the life-span.Its cost performance is superior to extrusion molding plate thin plastering heat-insulation system, and field of thermal insulation has enormous and latent market outside exterior wall.
Claims (8)
1. an exterior wall is with hollow fireproof thermal-insulation composite material system, comprises heat-insulation mortar bedly, it is characterized in that said heat-insulation mortar bedly for inorganic heat insulation mortar rubber powder material and glass bead or float the mixture of pearl, and the hollow comb of burying underground is arranged in the screed; Said inorganic heat insulation mortar rubber powder material comprises desulfurated plaster, slag powders, cement, latex powder, cellulose ether, hydrophober, short fiber, gypsum activation agent.
2. exterior wall as claimed in claim 1 is characterized in that with hollow fireproof thermal-insulation composite material system said inorganic heat insulation mortar rubber powder material weight portion ratio is: desulfurated plaster 30-50%, slag powders 35-60%; Cement 8-15%; Latex powder 2-4%, cellulose ether 0.8-1.5%, hydrophober 0.3-0.8%; Polypropylene fibre 0.3-0.5%, gypsum activation agent 1.5-2.5%.
3. exterior wall as claimed in claim 2 is characterized in that with hollow fireproof thermal-insulation composite material system said inorganic heat insulation mortar rubber powder material weight portion ratio is: desulfurated plaster 40%, slag powders 45%; Cement 9%; Latex powder 2%, cellulose ether 1%, hydrophober 0.5%; Polypropylene fibre 0.5%, gypsum activation agent 2%.
Like claim 2,3 described exterior walls with hollow fireproof thermal-insulation composite material system, it is characterized in that said gypsum activation agent is calcium chloride and the sodium chloride mixture by weight the ratio preparation of 6-8:4-6.
5. exterior wall as claimed in claim 1 is characterized in that with hollow fireproof thermal-insulation composite material system said hollow comb is polyvinyl chloride pipe or polyethylene pipe or PA tube, and for vacuumizing structure.
6. exterior wall as claimed in claim 1 is characterized in that with hollow fireproof thermal-insulation composite material system said hollow comb section profile is circular or square or other polygon.
7. exterior wall as claimed in claim 1 is with hollow fireproof thermal-insulation composite material system, it is characterized in that said heat-insulation mortar bed for inorganic heat insulation mortar rubber powder material and glass bead or float the mixture of pearl by weight 1:4-6.
8. exterior wall as claimed in claim 1 is characterized in that comprising the steps: with the job practices of hollow fireproof thermal-insulation composite material system
A. mortar configuration: desulfurated plaster, slag powders, cement, latex powder, cellulose ether, hydrophober, polypropylene fibre, gypsum activation agent are mixed in proportion; Process inorganic heat insulation mortar rubber powder material; Again above-mentioned rubber powder material and glass bead evenly are mixed and made into glass bead inorganic heat insulation mortar material in the ratio of 1:4-6, the glass bead for preparing or float pearl inorganic heat insulation mortar material and will in two hours, use up;
B. clear up the residual rubbish of external wall, oil stain, spraying interfacial agents, spraying back airing, summer>4h, spring and autumn>8h;
C. it is heat-insulation mortar bed that the thermal insulation mortar for preparing adopts the mode of smearing or spraying on external wall, to do bottom;
The hollow comb is installed after d. the airing of bottom insulation layer surpasses 12 hours, is adopted crab-bolt to fix;
E. smear or spray the upper strata thermal insulation mortar.
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| CN2011104261825A CN102518218A (en) | 2011-12-19 | 2011-12-19 | Hollow fireproof heat insulation composite material system for exterior wall and construction method of hollow fireproof heat insulation composite material system |
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| CN2011104261825A CN102518218A (en) | 2011-12-19 | 2011-12-19 | Hollow fireproof heat insulation composite material system for exterior wall and construction method of hollow fireproof heat insulation composite material system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664074A (en) * | 2013-11-15 | 2014-03-26 | 安徽精一机械设备有限公司 | Thermal mortar prepared from pyrite cinder |
| CN106696311A (en) * | 2016-12-16 | 2017-05-24 | 北京林业大学 | Manufacturing method of hollow microsphere wood plastic composite board |
| CN107010917A (en) * | 2017-05-11 | 2017-08-04 | 阜阳三环水泥制品有限公司 | A kind of fire-type gypsum base composite thermal insulation mortar of the granular polystyrene containing glass bead and preparation method thereof |
| CN115504809A (en) * | 2022-09-16 | 2022-12-23 | 安徽天锦云节能防水科技有限公司 | Inorganic material-coated polyphenyl particle aerogel composite thermal insulation material and preparation method thereof |
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| JP2005146773A (en) * | 2003-11-19 | 2005-06-09 | Nippon Steel Corp | Buckling restraining member for vibration control |
| CN2837413Y (en) * | 2005-09-30 | 2006-11-15 | 王春山 | Tube pile assembled type composite thermal-insulating enclosure wall structure |
| KR20100046399A (en) * | 2008-10-27 | 2010-05-07 | 현대중공업 주식회사 | Spray mortar insulation for engine room, deck house wall and pipe in all vessel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664074A (en) * | 2013-11-15 | 2014-03-26 | 安徽精一机械设备有限公司 | Thermal mortar prepared from pyrite cinder |
| CN106696311A (en) * | 2016-12-16 | 2017-05-24 | 北京林业大学 | Manufacturing method of hollow microsphere wood plastic composite board |
| CN107010917A (en) * | 2017-05-11 | 2017-08-04 | 阜阳三环水泥制品有限公司 | A kind of fire-type gypsum base composite thermal insulation mortar of the granular polystyrene containing glass bead and preparation method thereof |
| CN115504809A (en) * | 2022-09-16 | 2022-12-23 | 安徽天锦云节能防水科技有限公司 | Inorganic material-coated polyphenyl particle aerogel composite thermal insulation material and preparation method thereof |
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Application publication date: 20120627 |