CN102061750A - Template disassembly-free pouring polyurethane external wall heat insulation system - Google Patents

Template disassembly-free pouring polyurethane external wall heat insulation system Download PDF

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Publication number
CN102061750A
CN102061750A CN 201010568366 CN201010568366A CN102061750A CN 102061750 A CN102061750 A CN 102061750A CN 201010568366 CN201010568366 CN 201010568366 CN 201010568366 A CN201010568366 A CN 201010568366A CN 102061750 A CN102061750 A CN 102061750A
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CN
China
Prior art keywords
polyurethane
external
connector
template
heat insulation
Prior art date
Application number
CN 201010568366
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Chinese (zh)
Inventor
孙树国
马志雄
Original Assignee
天津华日阳光保温工程有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 天津华日阳光保温工程有限公司 filed Critical 天津华日阳光保温工程有限公司
Priority to CN 201010568366 priority Critical patent/CN102061750A/en
Publication of CN102061750A publication Critical patent/CN102061750A/en

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Abstract

The invention relates to a template disassembly-free pouring polyurethane external wall heat insulation system. The heat insulation system comprises an external wall body, a wall connection piece, a light steel keel, polyurethane foams and an outer side template, wherein, the light steel keel is fixed with the external wall body through the wall connection piece; the polyurethane foams are poured into a cavity formed by the external wall body and the outer side template; a decorative layer is fixedly arranged on the external surface of the outer side template; and the external wall body, the light steel keel, the polyurethane foams and the outer side template form a heat insulation system. The heat insulation system has the advantages that normal deformation of the wall body can be adapted without cracks and hollowing, the 'chimney effect' is avoided, fire disaster is effectively prevented, and self weight can be borne for a long time without harmful deformation; and meanwhile the heat conduction coefficient of polyurethane is lower than that of other insulation materials, and the external wall of a building does not need to be plastered and leveled by utilizing cast-in-place polyurethane, thus the total thickness of the heat insulation layer is reduced and the utilization ratio of the building area is improved.

Description

Exempt from form removal and water the polyurethane exterior wall thermal insulation system
Affiliated field
The invention belongs to building material field, relate to the side fascia of construction wall, especially a kind ofly exempt from form removal and water the polyurethane exterior wall thermal insulation system.
Background technology
Energy conservation has become an important state basic policy of Chinese society development, building energy conservation occupies critical role in the system of energy conservation, the Chinese government attaches great importance to building energy conservation work, and it is one of effective way of building energy conservation that building is carried out wall thermal insulating.The building of taking skin to be incubated can largely reduce the energy consumption of constructure heating and air-conditioning, reduces resident's life cost, improves resident's quality of life and comfort level, responds the policy of national low-carbon (LC) life.Topmost heat exchange carrier is a body of wall in the building, and the thermal insulation of therefore carrying out the skin body plays very important effect in building.
But the mode that existing heat preserving exterior wall body generally adopts stickup or screw that warming plates such as polyphenyl plate or extruded sheet are installed, because inevitable gap between warming plate plate and the body of wall, and phenomenon such as drum taken place easily, when breaking out of fire, this gap just is very easy to become " stack effect " of fire, thereby encourages the generation of fire.
By retrieval, find the following patent document relevant with present patent application:
1, a kind of polyurethane rigid foam material for external thermal insulation system of external wall (CN1827978), described system material include polyurethane moistureproof priming paint, rigid polyurethane foam material, interfacial agents, include the cracking resistance polymer cement mortar and the coating ornamental surface of fiberglass gridding cloth.The present invention makes the coordination compatible with each other, mutual of each layer of material for external thermal insulation system of external wall reach balance, forms an organic whole.Can flexiblely discharge deformational stress between material layer, effectively alleviate the generation of external wall outer insulation cracking of wall surface, and make the spray coating polyurethane rigid foam surface smooth, do not have the uneven and spray foam layer of " puffed rice " shape with layer between strong adhesion, overcome " multi-layer steamed bread " shape delamination.
2, a kind of external wall polyurethane external heat insulating composite wall (CN2637599) that hard bubbles, this body of wall is hard polyurethane foam insulation layer, steel mesh cracking-resistant cement mortar overcoat and the architectural surface of foundation wall layer, HTHP spray coating foaming from inside to outside successively, and steel mesh passes the hard polyurethane foam insulation layer by the steel mesh connector and is fixed on the foundation wall.Need not adhesive linkage between the insulation layer of the utility model heat-preserving wall and the foundation wall layer, use the steel mesh cracking resistance, surface of wall can guarantee not ftracture for a long time, and easy construction.Overcoat reduces material cost with cement mortar replace polymeric cement mortar.The utility model is the heat-preserving wall that is applicable to various buildings.
3, a kind of anchoring is protected anchoring composite insulation boards, the polyurethane external wall heat insulation body of wall that thistle board and heat insulating material are bonded to the cement basic ring.Be characterized in: TOX nylon jacket steel nail 4 passes cement based environment-friendly light plate 5, warming plate 3, polyurathamc heat insulating material 2 fixedlys connected with basic unit 1, with material flexible break resistant putty 12 1 ends be connected with TOX nylon jacket steel nail 4, the aspect of the other end is connected with facing 15, bonding adhesive 6 one sides are connected with warming plate 3, another side is connected with cement based environment-friendly light plate 5, the another side of cement based environment-friendly light plate 5 is connected with facing 15, between warming plate 3 and the basic unit 1 10-15mm cavity 14 is arranged.By bonding adhesive 6 warming plate 3 and cement environmental protection thistle board 5 are bonded as the composite insulation boards with L type tongue and groove 10 feather joints structure, L type tongue and groove 10 butt joints of composite insulation boards are tightly connected by foamed glue 11, are connected by putting down with material flexible break resistant putty 7 and alkaline-resisting grid cloth 8 embeddings in there is the groove 9 that 1.5-2.0mm is dark, 50-80mm is wide at the butting surface place of two composite insulation boards.
Above-mentioned patent publication and present patent application have more different.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, provide a kind of and be connected with exterior wall closely, seal high insulating effect, the polyurethane exterior wall thermal insulation system is watered in the form removal of exempting from of " stack effect " to avoid fire.
The object of the present invention is achieved like this:
A kind ofly exempt from form removal and water the polyurethane exterior wall thermal insulation system, comprise outer body of wall, wall connecting piece, lightgage steel joist, polyurethane foam and outboard template, it is characterized in that: described outer body of wall and lightgage steel joist, outboard template are solidly installed by polyurethane foam, connector installs with lightgage steel joist in polyurethane foam, and the outside of lightgage steel joist flushes with the plane of polyurethane foam; Outside the plane of polyurethane foam, be fixed with outboard template, install decorative layer at the outboard template external surface.
And described connector is a U-shaped plate, is shaped on an anchoring piece through hole at the base plate of U-shaped plate middle part, adopts anchoring piece connector and outer body of wall are fixed and to be linked together by this anchoring piece through hole, all is shaped on screw hole on the vertical plates on both sides 10 of connector.
And described anchoring piece is a nailing, bolt or the stubborn bolt that rises of spending rise.
And, laterally be shaped on the twice reinforcing rib at the base plate middle part of connector.
And described lightgage steel joist and connector and outboard template and lightgage steel joist all adopt self-tapping screw to install mutually.
And described outboard template adopts 8mm thick fiber refinforced cement increased pressure board.
Advantage of the present invention and good effect are:
1, this heat insulation system adopts keel piece and polyurethane from bonding mode insulation layer and body of wall and outboard template to be linked together securely, does decorative layer on the surface again.Because polyurethane has good watertightness and gas permeability, the mould-detachment-free casting method can be stopped outer body of wall leakage problems, and avoids the dewfall phenomenon occurring in body of wall inside or in insulation layer inside.
2, this heat insulation system adopts the mould-detachment-free casting method, and tolerance weather and cracking resistance are good, can bear rapid difference variation.When agent structure produces normal deformation, as shrink, during situation such as expansion, mould waters the successively flexible gradual change of heat insulation system, successively discharges stress, thereby can not produce crack or disengagement; Durability satisfies requirement in 25 years, and polyurethane material porosity Stability Analysis of Structures is closed pore basically, so not only excellent thermal insulation performance, and freeze thawing resistance, sound absorption; Mould waters the various composition materials of hard-foam polyurethane external insulation system, have a chemistry with the stability of physics, all materials are by preservative treatment, can accomplish under the lifetime regular service conditions of structure, because drying, humidity or couple corrosion, and because insect, fungi or algal grown, perhaps because all invasion and attack such as rodentine destructions, all unlikely causing damage, all materials are compatible with each other each other.
3, to be used for the polyurethane of external wall outer insulation be the higher material of a kind of chemical stability to this heat insulation system, acidproof, alkaline-resisting, heat-resisting, polyurethane is the high type of no-solvent type, non-fluorine lithium, thereby can not produce pernicious gas, can be to the environment good environmental protection that works the mischief.
4, this heat insulation system can adapt to the normal deformation of body of wall and not produce crack, hollowing, has avoided " stack effect ", effectively prevents fire, and can bear deadweight for a long time and do not produce injurious deformation.The present invention can improve area utilization: because the polyurethane coefficient of thermal conductivity is low than other heat insulating material, and cast-in-place polyurethane do not need that external wall is done plaster leveling and handles, so can reduce the gross thickness of insulation layer, improves the area utilization rate.
Description of drawings
Fig. 1 is the schematic perspective view of heat insulation system of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to the cross section amplification view;
Fig. 3 is the structure enlarged diagram of connector of the present invention.
The specific embodiment
Below in conjunction with embodiment, the present invention is further described; Following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
A kind ofly exempt from form removal and water the polyurethane exterior wall thermal insulation system, comprise outer body of wall 1, polyurethane foam 2 and outboard template 4, polyurethane foam installs outer body of wall and outboard template.In the present embodiment, described outer body of wall comprises reinforced concrete wall, blockwork, brick wall etc., described polyurethane foam is the macromolecule thermosetting polymer, its coefficient of thermal conductivity is not more than 0.024W/ (mK), be a kind of good from bonding heat insulating material, have heat insulation, fire-retardant, waterproof, moisture-resistant, shock resistance, stability, cracking resistance, performance such as weather-proof and durable, the product variety on the market is more, is the commercially available prod.Described outboard template is a 8mm thick fiber refinforced cement increased pressure board.
Innovative point of the present invention is embodied in following several respects:
1, outer body of wall is solidly installed with lightgage steel joist 9, outboard template by the uniform connector that installs 5 in polyurethane foam, the structure of connector is referring to Fig. 3, it is a U-shaped plate, base plate 11 middle parts at the U-shaped plate are shaped on an anchoring piece through hole 13, adopt anchoring piece 7 connector and outer body of wall are fixed and to be linked together by this anchoring piece through hole; The described anchoring piece of present embodiment comprises nailing, the bolt that rises, twist the flower bolt etc. that rises; On the vertical plates on both sides 10 of connector, all be shaped on screw hole 14.For the intensity of reinforced company's fitting, laterally be shaped on twice reinforcing rib 12 at the base plate middle part of connector.
2, connector adopts self-tapping screw 6 engagements that two side elevations install that the made screw hole of connectors is installed with lightgage steel joist in polyurethane foam to install, because lightgage steel joist is a prior art, do not provide the structure of lightgage steel joist in the present embodiment accompanying drawing, the outside of lightgage steel joist flushes with the plane of polyurethane foam.
3, be fixed with outboard template outside the plane of polyurethane foam, this outboard template adopts self-tapping screw 8 and lightgage steel joist to install, and outboard template adopts 8mm thick fiber refinforced cement increased pressure board.
Processing method of the present invention is:
Connector adopted anchoring piece is uniform to be packed on the outer body of wall, on connector, adopt self-tapping screw that lightgage steel joist is installed again, on lightgage steel joist, adopt tapping screw that outboard template is installed then, form a cavity so outside between body of wall and the outboard template, cast-in-site polyurethane foam material in this cavity is filled in the cavity polyurethane foam material; Install decorative layer 3 at the outboard template external surface at last, for example sprayed coating is perhaps pasted decorative panel.

Claims (6)

1. exempt from form removal and water the polyurethane exterior wall thermal insulation system for one kind, comprise outer body of wall, wall connecting piece, lightgage steel joist, polyurethane foam and outboard template, it is characterized in that: described outer body of wall and lightgage steel joist, outboard template are solidly installed by polyurethane foam, connector installs with lightgage steel joist in polyurethane foam, and the outside of lightgage steel joist flushes with the plane of polyurethane foam; Outside the plane of polyurethane foam, be fixed with outboard template, install decorative layer at the outboard template external surface.
2. according to claim 1ly exempt from form removal and water the polyurethane exterior wall thermal insulation system, it is characterized in that: described connector is a U-shaped plate, base plate middle part at the U-shaped plate is shaped on an anchoring piece through hole, adopt anchoring piece connector and outer body of wall are fixed and to be linked together by this anchoring piece through hole, on the vertical plates on both sides 10 of connector, all be shaped on screw hole.
3. mould according to claim 2 waters the polyurethane exterior wall thermal insulation system, it is characterized in that: described anchoring piece is a nailing, bolt or the stubborn bolt that rises of spending rise.
4. according to claim 2ly exempt from form removal and water the polyurethane exterior wall thermal insulation system, it is characterized in that: the base plate middle part at connector laterally is shaped on the twice reinforcing rib.
5. according to claim 2ly exempt from form removal and water the polyurethane exterior wall thermal insulation system, it is characterized in that: described lightgage steel joist and connector and outboard template and lightgage steel joist all adopt self-tapping screw to install mutually.
6. according to claim 1ly exempt from form removal and water the polyurethane exterior wall thermal insulation system, it is characterized in that: described outboard template adopts 8mm thick fiber refinforced cement increased pressure board.
CN 201010568366 2010-12-01 2010-12-01 Template disassembly-free pouring polyurethane external wall heat insulation system CN102061750A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102535655A (en) * 2012-01-13 2012-07-04 张小军 Wall insulation structure
CN103979862A (en) * 2014-04-15 2014-08-13 吴春池 Energy-saving and environmental-protection material, preparation method and application of energy-saving and environmental-protection material in building system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200943298Y (en) * 2006-06-07 2007-09-05 余春冠 Composite wall insulating board
CN201202189Y (en) * 2008-04-20 2009-03-04 深圳市轩创科技有限公司 Light concrete keel light board wall

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200943298Y (en) * 2006-06-07 2007-09-05 余春冠 Composite wall insulating board
CN201202189Y (en) * 2008-04-20 2009-03-04 深圳市轩创科技有限公司 Light concrete keel light board wall

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102535655A (en) * 2012-01-13 2012-07-04 张小军 Wall insulation structure
CN103979862A (en) * 2014-04-15 2014-08-13 吴春池 Energy-saving and environmental-protection material, preparation method and application of energy-saving and environmental-protection material in building system
CN103979862B (en) * 2014-04-15 2015-10-07 吴春池 A kind of energy-conserving and environment-protective material, preparation method and the application in building system thereof

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Application publication date: 20110518