CN201826403U

CN201826403U - Building exterior wall insulation structure

Info

Publication number: CN201826403U
Application number: CN2010201307832U
Authority: CN
Inventors: 王维录
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-15
Filing date: 2010-03-15
Publication date: 2011-05-11
Anticipated expiration: 2020-03-15

Abstract

The utility model discloses a building exterior wall insulation structure arranging on the wall body of the building exterior wall, the structure includes a decorative panel and a foaming polyurethane layer on the inner side of the decorative panel, the two side surfaces of the foaming polyurethane layer are tightly attached to the wall body and the decorative panel. the thickness of the insulation plate is cut into immutable sizes and mass production sizes based on the design thickness, the uniformity of size is ensured, when the insulation decorative composite building material is produced in factory and adopts the manner of on-site dry-hang technology. The on-site installation slits are sealed by the foaming polyurethane forming into a large area continuous heat-insulation layer, therefore, the stable and standard insulation effect is ensured from the aspects of material and construction technique. Meanwhile, no-wet operation can be realized during the whole construction process, and the operation is simple and rapid, the insulation, waterproofing and decoration projects of exterior walls can be completed in one time on-site. The structure in the utility model can meet the various styles of the various medium and high-grade exterior decorative surfaces of public buildings and also can be applied into the energy saving and reconstruction projects of the present buildings, having a wide adaptability.

Description

The building exterior wall heat preserving structure

Technical field

The utility model relates to a kind of insulation construction of external wall, also can be applied to the roof and be incubated.

Background technology

At present, domestic construction is energy-conservation to be advanced to all kinds of buildings such as public building and existing building from newly-built dwelling house, and incident is that multi-angle, comprehensive, the high-level requirement of technical level of external heat preservation technology compliance development is more outstanding.Along with improving constantly of city management level, the particularly wet-less operation requirement that the sand and dust source control determined in the construction, heat insulating work country's tecnical regulations and country are to the requirement of construction engineering quality long-term reliability, the outer heat preservation technology easy construction requirement that construction technology determined that building trade progressively improves along with the continuous maturation of outer heat preservation technology.The main material of China's exterior-wall heat insulation is a high-molecular organic material at present, as EPS, XPS, polyurethane etc.The main mode that exterior-wall heat insulation adopts has: foam plastics slab, foamed plastics composite board, foam-in-place class.The principal mode that exterior-wall heat insulation adopts is an external wall outer insulation.

Its essential structure as shown in Figure 1.This system requirements basic unit metope levelling, planeness reaches code requirement.Stick with glue agent 102 with EPS/XPS plate 103 and basic unit's body of wall 101 bondings, it is fixing to be aided with crab-bolt 107, overcoat is the polymer finishing mucilage 104 that is embedded with alkaline-resisting screen cloth or the enhancing of hot zinc electrowelding net, with alkaline-resisting grid cloth is the structure that strengthens net, in order to strengthen impact strength, the first floor need add one deck and strengthen alkali-resistant glass fiber mesh 105.Finish coat 106 can be coating or ceramic tile etc.

Yet this traditional construction technology often causes building quality to occur surely to be suffered from, especially the crack, come off, cracking phenomena and fire hazard phenomenon be serious.Analysis exists the reason of above problem to comprise mainly that compatibility between the material is poor and has caused that combination between the material is relatively more fragile, numerous and diverse construction technology has been brought the hidden danger of quality of selected materials and construction, the hidden danger that the long term exposure of heat insulating material in work progress buried fire.

The utility model content

Restive for solving the existing system construction, the quality problems that the problem of settling the standard production and construction back occur and to the problems such as (cost of raw material, cost of transportation, keel cost, construction costs) that makes full use of, reduces cost of resource, the utility model provides a kind of novel external thermal insulation system, has adopted polyurethane thermal insulation and decoration integrated external thermal insulation system.

The technical scheme of the utility model technical solution problem is:

The building exterior wall heat preserving structure is installed on the body of wall of external wall, comprises facing plate and the foamed polyurethane layer that is positioned at facing plate inboard, and body of wall and facing plate are close in the two sides of described foamed polyurethane layer.

Preferably, described foamed polyurethane layer is passed through cast-in-place shaping.

Preferably, described facing plate and foamed polyurethane layer are given making and are used for on-the-spot cladding polyurathamc sheet material, can adopt batch production production, on-the-spot more cladding or finish construction with the mode that anchoring+stickup combines, anchor structure passes the facing plate, polyurethane plate is connected on the body of wall of exterior wall, and is bonded on facing plate and the body of wall in the side of polyurathamc sheet material, the on-the-spot seam of installing of polyurathamc plate seals with polyurathamc.Use batch production to produce the insulation and decoration composite material, during on-the-spot dry-hanging installation technique thereof mode, its warming plate thickness is cut into to immutable size, produces dimensional uniformity in batches and be guaranteed by design thickness, seam is installed at the scene to be sealed with polyurathamc, become the continuous insulation layer of large tracts of land, thereby guaranteed that from material and construction technology aspect heat insulation effect is stable and up to standard.

Can realize the construction overall process wet-less operation, simple and efficient, once finish exterior wall (roofing) insulation, waterproof, decorative engineering at the scene, can satisfy the multiple style requirement of the various medium and high-grade outside finish of public building, also can use existing building reducing energy consumption engineering, have the wet-less operation mode that all kinds of engineering exterior walls in China each department (roofing) energy conservation standard, various multiscale are decorated actual requirement, compliance is widely arranged.

Description of drawings

Fig. 1 is typical foamed plastics plate exterior wall external heat preservation system structure;

Among the figure: 101, basic unit's body of wall 102, bonding adhesive 103, EPS/XPS plate 104, polymer finishing mucilage 105, reinforcement alkali-resistant glass fiber mesh 106, finish coat 107, crab-bolt

Fig. 2 is a cast-in-site polyurethane foam heat insulating material technical architecture plan;

Among the figure: 21, crab-bolt 22, body of wall 23, polyurethane moulded LIFT 24, facing plate 25, metal framework

Fig. 3 is on-the-spot dry-hanging installation technique thereof structure chart.

Among the figure: 31, crab-bolt 32, body of wall 33, polyurathamc plate 34, metal framework

The specific embodiment

Below in conjunction with drawings and Examples the technical solution of the utility model is further described.

Shown in Fig. 2,3, the building exterior wall heat preserving structure is installed on the body of wall of external wall, comprises facing plate and the foamed polyurethane layer that is positioned at facing plate inboard, and body of wall and facing plate are close in the two sides of described foamed polyurethane layer.

The concrete implementation step of scheme one is at first facing plate 24 to be anchored on the body of wall 22 of external wall by being embedded in its peripheral metal framework 25 usefulness crab-bolts 21, pouring foaming polyurethane 23 then, do not need the manual operation of smearing, can shorten construction period greatly, realize that the no aquation of outer heat preservation technology, no cold bridge, zero pollute.

The concrete implementation step of scheme two is that the polyurathamc plate 33 that batch production is produced is anchored on the body of wall 32 of external wall by being embedded in its peripheral metal framework 34 usefulness crab-bolts 31.The cast-in-site seam makes it to become the continuous insulation layer of large tracts of land with the polyurathamc sealing, thereby has guaranteed that from material and construction technology aspect the quality of heat insulation effect is with stable.

The concrete implementation step of scheme three is after sticking on heat preservation and decoration integrated plate on the body of wall of external wall with binding material, sheet material to be reinforced by the metal framework that is embedded in the sheet material periphery with crab-bolt again.It is bonding that the polyurathamc heat insulating material becomes MULTIPLE COMPOSITE with decorative panel and metope (roofing) base adhesive, realizes that decorative panel is connected with the high strength of metope (roofing).

The manufacturing process of polyurethane thermal insulation and decoration integrated board material is made up of the manufacturing process of decorative stone and the recombination process of heat insulating material.The production of dalle comprises links such as cutting, air-dry, baked wheaten cake, sandblast; Links such as the recombination process of heat insulating material comprises oven dry, dedusting, sheet material preliminary treatment, coheres frame, the planing of thickness of slab scale, foaming, drying, interface processing, peripheral cleaning, overlay film, packing, warehouse-in; Heat insulating material adopts that coefficient of thermal conductivity is little, linear shrinkage is little, molecular polarity is strong, thermosetting is good, long service life and polyurethane heat insulation material with tack.The heat preservation decoration integrative composite board is produced in batch production, and warming plate thickness is cut into to immutable size, produces dimensional uniformity in batches and be guaranteed by design thickness.

Polyurethane belongs to thermosetting plastics, blown polyurethane materials is because coefficient of thermal conductivity is little, with the constructional materials in common building site all is strong polar material as cement, iron and steel, glass, timber, can effectively clog building hole seam etc. during foam-in-place and form the seamless continuous insulation layer of large tracts of land, so under same heat insulation effect, the insulation bed thickness can reduce about 40% than EPS.Again because of its linear shrinkage is little, realize that with body of wall no cavity is bonding simultaneously,, all can effectively overcome the facing defective and produce, increase substantially Engineering Reliability and life-span no matter its facing is coating or face brick; On heat-resisting and fire-retardant, performance is preferably arranged, can significantly reduce the risk that softening drippage and breaking out of fire occur.

Adopt structure described in the utility model that external wall is incubated, do not need to smear operation by hand, can shorten construction period greatly, realize that the no aquation, zero of outer heat preservation technology is polluted.Batch production production, standardization supply product, standardization disseminate technology, prefabricated construction, on-the-spot zero pollutionization of the outer heat preservation technology of realization are done operation, will become to be incubated the industry technological development direction in future outside China.

Claims

1. the building exterior wall heat preserving structure is installed on the body of wall of external wall, it is characterized in that, comprises facing plate and the foamed polyurethane layer that is positioned at facing plate inboard, and body of wall and facing plate are close in the two sides of described foamed polyurethane layer.