CN100999918B - Manufacture method of pouring polyurethane heat insulating wall - Google Patents

Manufacture method of pouring polyurethane heat insulating wall Download PDF

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Publication number
CN100999918B
CN100999918B CN2006101662993A CN200610166299A CN100999918B CN 100999918 B CN100999918 B CN 100999918B CN 2006101662993 A CN2006101662993 A CN 2006101662993A CN 200610166299 A CN200610166299 A CN 200610166299A CN 100999918 B CN100999918 B CN 100999918B
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CN
China
Prior art keywords
heat insulating
board
polyurethane
personality board
building
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Expired - Fee Related
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CN2006101662993A
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Chinese (zh)
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CN100999918A (en
Inventor
秦宇
张少伟
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RAETOON CONSTRUCTION ENGINEERING Co Ltd
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RAETOON CONSTRUCTION ENGINEERING Co Ltd
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Priority to CN2006101662993A priority Critical patent/CN100999918B/en
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Publication of CN100999918B publication Critical patent/CN100999918B/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90Passive houses; Double facade technology

Abstract

The present invention belongs to the field of heat insulating and water-proof building member technology, and is especially one kind of in-situ cast heat insulating polyurethane wall. The in-situ cast heat insulating polyurethane wall includes one building base layer, one leveling cement mortar layer (as required), one cast heat insulating polyurethane layer, one special purpose board and one decorating surface layer arranged successively from inside to outside. It features that the special purpose board is medium or high density cement-base or calcium silica board with added asbestos or other fiber. The wall of the present invention has combined heat insulating, water-proof and protecting functions, once construction, low manpower and material consumption and wide application in building.

Description

A kind of manufacture method of pouring polyurethane heat insulating wall
Technical field
The invention belongs to thermal insulation, the water proof building component technology field of field fabrication, be specifically related to a kind of pouring polyurethane heat insulating wall and manufacture method thereof.
Background technology
Along with global process of industrialization and development; energy crisis day by day manifests, China especially, and severe energy form and the unit output value energy consumption that exceeds developed country's several times show seriousness especially; in the energy consumption of China, more than 40% of building energy consumption account total energy consumption.China is maximum in the world construction market, has a net increase of building every year and measures nearly 2,000,000,000 square metres, and building energy conservation must and become the energy-conservation emphasis of China.China has issued to building energy conservation compulsory implement 50%, applies 65% standard, and this standard also will further improve from now on, and the strict energy conservation standard of carrying out is wanted in new building during 11th Five-Year, and existing building will progressively be implemented reducing energy consumption.
Along with the raising of building energy-saving standard, being applied to of the selection of thermal-insulation system material and heat insulation system attached most importance to.Use pioneer's heat preservation slurry way because lower coefficient of thermal conductivity and construction quality are difficult to assurance as building energy conservation heat insulation, be eliminated at present, leading position is captured by foamed polystyrene board in existing building heat preservation market, but, because its coefficient of thermal conductivity is big (being more than the twice of polyurethane products), produce long problems such as (needing in production plant's ageing more than 42 days) of maturation period, in application again because of its thickness excessive (need 〉=7cm), cause the safety of building external protecting system, stability etc. all have adverse effect, equally also are restricted in building energy-saving standard raising its market application foreground of back with in the building energy conservation application facet.And polyurethane products are because of speciality such as its excellent heat-insulating property (minimum coefficient of thermal conductivity in the present known heat insulating material), lower water absorption rate, compressive strength, the effect that can reach many integrations such as insulation, protection against the tide, waterproof with lower thickness satisfies the building energy conservation requirement, so it obtains application more and more widely on building energy conservation.
Polyurethane heat insulation material mainly contains spraying process, casting and plate-hanging method in the insulation application technology of building energy conservation peripheral structure at present.Spraying process is affected by environment bigger, and splashing of spray paint can be caused to a certain degree environment pollution in the spraying process, and also there is the irregular problem of spraying back polyurethane surface in this method in addition.Casting has the slip-form method of pouring of non-dismantling formwork method and movable die plate, and there is cold bridge at present in plate-hanging method, problems such as anti-wind pressure difference, and casting is affected by environment little, and is pollution-free, batch production production, prefabricated construction, insulation, waterproof, decoration integrated are the developing direction of External Walls Heating Insulation.
Main easy inadequately, the effective problem that has decorative panel material and job practices of present casting.
The Chinese patent of publication number CN1301901A discloses a kind of thermal insulation producing method of construction wall, be included in and annotate a kind of mixed liquor that cementation is arranged of people in the space between outer ornament and the wall, wherein this mixed liquor is the mixed liquor of polyisocyanates and combined polyether.Outer ornament is: ceramic tile, wood based panel, shaving board; Its pouring procedure is: prop up template, give outer ornament plate top power, pour into a mould with the fixing back of expansion bolt.Its weak point is that the impact resistance of outer ornament material, degree of fire resistance are not high, and it adopts the large tracts of land disposal pouring, difficult operation.
Notification number is that the Chinese patent of CN2756726Y discloses a kind of cast-in-place hard polyurethane foam composite concrete board heat-preserving wall, it is characterized in that: insulation layer, cement plate, adhesive linkage and decorating surface brick layer that this body of wall is basic unit's body of wall from inside to outside successively, be made of cast-in-place hard polyurethane foam and extruded polystyrene board bar keel.Its weak point is; with cement plate as topping; its impact resistance is bad; molding effect is poor; particularly common cement plate is not done to strengthen because of it and is handled; it is inapplicable casting and constructing template; its pouring procedure is that the extruded polystyrene board bar keel vertically is set earlier; vertically pouring into a mould in the interval then; job practices is more loaded down with trivial details; and hard polyurethane foam and extruded polystyrene board be two kinds of materials, uses extruded polystyrene board as keel, and polyurethane hard bubbles after the moulding to combine with extruded polystyrene board can not become uniform insulation.
Notification number is the Chinese patent built-in type composite energy-saving wall of CN2747295Y; it comprises polyurathamc, warming plate, location anchor, holdfast, polymer mortar layer, alkali-resistant glass fiber mesh cloth; it is characterized in that; to locate anchor by holdfast is fixed on the body of wall; warming plate is inserted on the anchor of location by reserving insulation layer thickness; pouring foaming polyurethane heat insulation material in reserving cavity; make itself and warming plate, location anchor form the composite monolithic insulation layer, smear into topping by polymerization mortar folder alkali-resistant glass fiber mesh cloth again.
Summary of the invention
The present invention is directed to the deficiencies in the prior art; a kind of pouring polyurethane heat insulating wall is provided; that adopts cement based or silico-calcium matter is added with asbestos or non-asbestos fiber, the middle and higher density pressure-type sheet material of siliceous material and the sheet material of non-pressure type; as topping, have better shock resistance and rupture strength, lower water absorption rate and higher refractoriness.Another object of the present invention is, provides that constructing operation is easy, operation is few, pollution-free, one-time formed job practices.
The following technical scheme of the concrete employing of the present invention:
A kind of pouring polyurethane heat insulating wall, constitute by basic unit's body of wall, cement mortar screeding layer, cast polyurethane insulation layer, personality board, finish coat successively from the inside to surface, it is characterized in that described personality board is the middle and higher density pressure-type sheet material and the non-pressure template material that are added with asbestos or non-asbestos fiber, siliceous material of cement based or silico-calcium matter.
Described personality board is a kind of of fiber cement board pressure, FC plate, fiber cement board, fiber reinforcement flat board, calcium silicate board; Described personality board thickness is 4~12mm.Described polyurethane insulation coating is by the petroleum-type PPG or/and the polyurethane foam that plant class PPG and polyisocyanates reaction form.
In the technique scheme,, can omit the cement mortar screeding layer under this situation if when foundation wall reaches GB planeness and verticality acceptance requirement then do not need levelling to handle.
Described polyurethane heat insulating wall is to adopt the cast-in-site of non-form removal to form, and comprises the following steps:
1) the prefabricated personality board of batch production;
2) personality board is installed in building in the basic unit according to constructure scheme, with the fixing personality board of anchor clamps, and in personality board and build between the basic unit and interspace in advance;
3) polyisocyanates and the PPG that mixes injected in the reservation cavity;
4) treat the urethane raw foamed solidification after, remove stationary fixture, rise plug property expansion bolt fixedly personality board and insulation layer are used in the equating of plate seam, covering;
5) coating, face brick or the processing of other facings are directly carried out in the personality board surface after the finishing cleaning.
Pouring procedure of the present invention is: at the unidirectional line by line or two-way cast polyurethane of personality board and basic unit ash wall body plate seam place, every row cast highly is no more than 600mm, tears the stationary fixture time open greater than the urethane cures time.
The beneficial effect that the present invention has is:
1) the impervious processing of personality board of the present invention is added the tool excellent waterproofness of hard-foam polyurethane own, so body of wall of the present invention possesses the characteristics of thermal-insulating waterproof;
2) the present invention makes full use of the adhesion stress that produces in the polyurethane reaction process, to build basic unit and be in the same place with the personality board secure bond, body of wall of the present invention does not have plate seam, no cavity, and insulation layer density is even, layering can not appear, polyurethane and insulation surface 100% bonding;
3) job practices of the present invention adopts the mode that insulation, waterproof, topping three combine, and a construction molding significantly reduces processing step, eliminates the difficulty of construction that thin plastering technique brings, and reduces artificial and material consumption, and work progress is pollution-free;
4) job practices of the present invention also can retention plate be stitched, and makes architectural coating make various forms such as jigsaw, coating, ceramic tile.
5) personality board that adopts of the present invention is thin but shock resistance is good, thereby the whole thickness that has reduced body of wall has improved its impact resistance.
Description of drawings
Fig. 1 is the generalized section of embodiment of the invention body of wall;
Fig. 2 is the generalized section of Comparative Examples body of wall.
The specific embodiment
1 is basic unit's body of wall among the figure, and 2 is the cement mortar screeding layer, and 3 is the cast polyurethane insulation layer, and 4 is personality board, and 5 is finish coat; 2-1 is basic unit's body of wall, and 2-2 is that insulation layer, 2A are that cast polyurethane layer, 2B are the extruded polystyrene board bar keel, and 2-3 is a cement plate, and 2-4 is an adhesive linkage, and 2-5 is the decorating surface brick layer.
Embodiment
A kind of pouring polyurethane heat insulating wall constitutes 5 by basic unit's body of wall 1, cement mortar screeding layer 2, cast polyurethane insulation layer 3, personality board 4, finish coat from the inside to surface successively.Wherein, the material of personality board is a kind of of fiber cement board pressure, FC plate, fiber cement board, fiber reinforcement flat board, calcium silicate board, and the thickness of personality board is 4~12mm.The cast polyurethane insulation layer is formed by petroleum-type PPG and plant class PPG and polyisocyanates reaction.Personality board of the present invention meets industry standard: J/CT412-1991, J/CT564-1994, J/CT626-1996, J/CT671-1997.
Job practices is carried out according to the following step:
1) building basic unit need make insulation face by building external envelope structure and make on-gauge plate (1200mm * 600mm) fabric swatch figure, and setting-out is to need making the insulation surface layer after treatment;
2) paste cushion block by fabric swatch figure, require cushion block spacing ≯ 400mm, press insulation layer thickness and insulation surface evenness and verticality situation levelling cushion block surface, make the cushion block surface be in a plane;
3) on-gauge plate is arranged by the fabric swatch figure fissure of displacement of embarking on journey, use stationary fixture and the plug property expansion bolt that rises is fixed plate; Require the every limit of plate edge joint position fixed point to be no less than 2 points, be not more than 1000mm to constant spacing along long;
4) at wall panels and insulation panel seam place cast polyurethane; Requirement is along the unidirectional or two-way cast of plate, and every row cast is no more than 600mm;
5) will overflow the polyurethane cutter equating of plate end, fixedly next line sheet material, cast, equating again, circulation is carried out finishing until construction; The anchor clamps time is torn in requirement open should be greater than the urethane cures time;
6) the plate seam uses the fibrous mesh cloth bonding to hide, and former drill hole uses the plug property expansion bolt that rises to fix.
Comparative Examples
Hard polyurethane foam composite concrete board heat-preserving wall comprises that the body of wall 2-1 of basic unit, insulation layer 2-2, cement plate 2-3, adhesive linkage 2-4 and decorating surface brick 2-5 layer constitute successively.
Its job practices is as follows:
With the extruded polystyrene board bar keel 2B that has brushed interfacial agents, vertically stick on the basic unit corresponding position of body of wall 2-1; 2B installs the mould fixture at the extruded polystyrene board bar keel, outside extruded polystyrene board bar keel 2B, place cement plate 2-3 on the side plane, place template in the cement plate 2-3 outside, make on the smooth plane that is fixed on the extruded polystyrene board bar keel 2B outside of cement plate 2-3; Between body of wall 2-1 of basic unit and cement plate 2-3, use special equipment that polyurethane combined material is injected crack, can remove mould after foaming is finished, carry out binding face tile finish coat 2-5 with bonding mortar then.

Claims (1)

1. the manufacture method of a pouring polyurethane heat insulating wall is characterized in that, described polyurethane heat insulating wall is to adopt the cast-in-site of non-form removal to form, and comprises the following steps:
1) the prefabricated personality board of batch production;
2) personality board is installed in building on the foundation wall according to constructure scheme,, and between personality board and foundation wall, interspaces in advance with the fixing personality board of anchor clamps;
3) polyisocyanates and the PPG that mixes injected in the reservation cavity;
4) treat the urethane raw foamed solidification after, remove stationary fixture, the equating of plate seam, covering;
5) the facing processing of coating, face brick is directly carried out on the personality board surface after the finishing cleaning;
Described pouring procedure is at the unidirectional line by line or two-way cast polyurethane of personality board and basic unit ash wall body plate seam place, and every row cast highly is no more than 600mm.
CN2006101662993A 2006-12-25 2006-12-25 Manufacture method of pouring polyurethane heat insulating wall Expired - Fee Related CN100999918B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2006101662993A CN100999918B (en) 2006-12-25 2006-12-25 Manufacture method of pouring polyurethane heat insulating wall

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CN100999918A CN100999918A (en) 2007-07-18
CN100999918B true CN100999918B (en) 2011-04-20

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110258964A1 (en) * 2008-12-30 2011-10-27 Shuhuan Wu Composite Thermal Insulation Wall Body of a Building
CN101818573B (en) * 2010-05-10 2011-06-15 哈尔滨天硕建材工业有限公司 External heat preservation technology method of wall by means of pouring polyurethane heat preservation layer with disassembly-free mould
CN101892744A (en) * 2010-07-22 2010-11-24 吴淑环 Construction method for installing sandwich layer of light composite insulation wall
CN102943544A (en) * 2012-11-20 2013-02-27 浙江杭萧钢构股份有限公司 Manufacturing method of fiber cement board composite wallboard

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559523A1 (en) * 1984-02-10 1985-08-16 Boulay Freres Method of manufacture of a construction element, in particular for the construction of a wall, and construction element obtained by the implementation of this method.
CN2489008Y (en) * 2001-02-28 2002-05-01 广州市天座企业发展有限公司 Light compound outside wall board
CN1417437A (en) * 2002-11-29 2003-05-14 北京振利高新技术公司 Heat insulating polyurethane wall and its construction process
CN2711295Y (en) * 2004-06-03 2005-07-20 黄振利 Heat-insulation exposed wall made of polyurethane
CN2732878Y (en) * 2004-10-20 2005-10-12 常州市鼎达建筑新技术有限公司 External thermal insulating wall
CN2756726Y (en) * 2004-12-13 2006-02-08 北京天一时代建筑装饰工程有限责任公司 Cast-in-situ polyurethane hard foam composite cement plate heat insulation wall

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559523A1 (en) * 1984-02-10 1985-08-16 Boulay Freres Method of manufacture of a construction element, in particular for the construction of a wall, and construction element obtained by the implementation of this method.
CN2489008Y (en) * 2001-02-28 2002-05-01 广州市天座企业发展有限公司 Light compound outside wall board
CN1417437A (en) * 2002-11-29 2003-05-14 北京振利高新技术公司 Heat insulating polyurethane wall and its construction process
CN2711295Y (en) * 2004-06-03 2005-07-20 黄振利 Heat-insulation exposed wall made of polyurethane
CN2732878Y (en) * 2004-10-20 2005-10-12 常州市鼎达建筑新技术有限公司 External thermal insulating wall
CN2756726Y (en) * 2004-12-13 2006-02-08 北京天一时代建筑装饰工程有限责任公司 Cast-in-situ polyurethane hard foam composite cement plate heat insulation wall

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP昭54-047321A 1979.04.13

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