CN203238790U - Composite external thermal insulation wall - Google Patents

Abstract

The utility model discloses a composite external thermal insulation wall which is composed of a base wall body, a bonding layer formed by rubber powder polyphenyl granule sticking sizing agents, organic thermal insulation boards, a leveling layer formed by the rubber powder polyphenyl granule sticking sizing agents, a coating mortar protective layer and a finish coat from inside to outside. The organic thermal insulation boards are attached to the base wall body through the bonding layer, board clearances are reserved between adjacent organic thermal insulation boards, and the board clearances are filled with the rubber powder polyphenyl granule sticking sizing agents. A transverse or longitudinal fire-proof barrier used for isolating the organic thermal insulation boards is further arranged, the fire-proof barrier is bonded to the base wall body, and the surface of the fire-proof barrier is on an identical plane with the organic thermal insulation boards. The composite external thermal insulation wall has the advantages that the arrangement of the fire-proof barrier can effectively prevent fire from spreading, and the leveling layer formed by the rubber powder polyphenyl granule sticking sizing agents can improve the fire-proof performance, thermal insulation performance and anti-cracking ability of the composite external thermal insulation wall.

Description

A composite external thermal insulation wall

technical field

The utility model relates to a thermal insulation wall, in particular to a composite external thermal insulation wall.

Background technique

Organic insulation board is a commonly used external wall insulation material. The structure of the external insulation wall using insulation board is the base wall, cement mortar leveling layer, bonding mortar, organic insulation board, plastering mortar composite alkali resistance from the inside to the outside. Fiberglass mesh reinforces the protective and facing layers. Usually, the organic thermal insulation board is bonded to the base wall by point frame bonding or strip bonding. The disadvantages of this bonding method are: there is no fire prevention structure between the organic thermal insulation boards. Rapidly spread to other organic insulation boards; there is a high requirement for the flatness of the wall, and cement mortar should be used for leveling before bonding the organic insulation board; the cavity formed between the organic insulation board and the wall is not conducive to wind pressure resistance. Poor fire resistance; while the thickness of the plastering mortar protective layer on the surface of the organic insulation board is 3-5 mm, which is prone to cracks due to large daily or annual temperature differences and cannot provide excellent fire resistance.

Utility model content

Aiming at the above-mentioned defects in the prior art, the technical problem to be solved by the utility model is that the external thermal insulation wall of the prior art has poor fireproof performance, the base level needs to be leveled during construction, and the crack resistance of the external thermal insulation wall is insufficient.

In order to solve the above problems, the utility model adopts the following technical solutions:

A composite external thermal insulation wall, from the inside to the outside, consists of a base wall, an adhesive layer formed by rubber powder polystyrene particles pasting slurry, an organic thermal insulation board, a protective layer of plastering mortar, and a finishing layer. The organic thermal insulation The board is pasted to the base wall through the adhesive layer, and there are board gaps between adjacent organic insulation boards, and the board gaps are filled with rubber powder and polystyrene particles for pasting mortar; there are also horizontal or vertical In order to isolate the fireproof isolation belt of the organic insulation board, the fireproof isolation belt is fully bonded to the base wall, and its surface is located on the same plane as the organic insulation board.

Preferably, the protective layer of plastering mortar is provided with alkali-resistant glass fiber mesh cloth or hot-dip galvanized steel wire mesh.

As a preference, a leveling layer formed by glue powder polyphenylene particles pasting slurry is also provided between the organic insulation board and the protective layer of plastering mortar.

Preferably, the organic insulation board is any one of molded polystyrene board, extruded polystyrene board, polyurethane board and phenolic board.

Preferably, anchor bolts for reinforcing the thermal insulation board on the base wall are provided at the board seams.

Preferably, the finishing layer is paint, facing brick or colored mortar.

Preferably, the width of the fireproof isolation belt is 10-50 mm.

As a preference, the material of the fireproof isolation belt is rock wool or rubber powder polystyrene particle paste paste.

Preferably, the protective layer of plastering mortar has a thickness of 3-15 mm.

Compared with the prior art, the composite external thermal insulation wall of the present invention has the following advantages:

(1) The spread of fire can be effectively prevented by setting fire isolation belts.

(2) The adhesive layer formed by the full adhesion of the rubber powder polystyrene particles and the masonry grout can reduce the process of cement mortar leveling due to poor flatness of the base layer. The full adhesion method significantly improves the fire performance and wind pressure resistance of the system.

(3) The leveling layer formed by rubber powder and polystyrene particles pasted with grout has a combustion performance level of A2, which can block the attack of the external fire source on the organic insulation board, and because it is an insulation material, it can also effectively delay the external heat to the inside The transmission of organic insulation board forms a layer of excellent fire protection.

(4) The leveling layer formed by rubber powder and polystyrene particles pasting the grout provides an overall flat base for the plastering mortar, which solves the risk of cracks caused by the deviation of the surface flatness of the organic insulation board, and makes the board seams Stress relief is distributed. At the same time, the rubber powder polystyrene particle paste grout is a good material for both heat preservation and heat storage. It can absorb part of the heat itself at high temperatures, reducing the heat accumulated in the protective layer of plastering mortar and reducing its annual or daily temperature difference. , the crack resistance is improved.

Description of drawings

Fig. 1 is the schematic diagram of the composite thermal insulation wall structure of embodiment one of the present utility model;

Fig. 2 is a schematic diagram of the composite thermal insulation wall structure of the second embodiment of the present invention.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Embodiment one

As shown in Figure 1, the composite external thermal insulation wall of Example 1, from the inside to the outside, is the base wall 1, the adhesive layer 2 formed by the glue powder polystyrene particles pasting the slurry, the organic insulation board 4, the rubber powder The leveling layer 5, the plastering mortar protective layer 81 and the facing layer 8 formed by the polystyrene particles pasting the grout, the organic thermal insulation board 4 is pasted to the base wall 1 through the adhesive layer 2, and the adjacent organic thermal insulation board 4 Board seams 22 are left between them, and the board seams 22 are filled with rubber powder polyphenylene particle pasting slurry; the composite external thermal insulation wall body of this embodiment is also provided with a rock wall for isolating the organic thermal insulation board 4 in the horizontal direction. A cotton fireproof isolation belt 3, the rock wool fireproof isolation belt 3 is bonded to the base wall 1, and its surface is located on the same plane as the organic insulation board 4. The plastering mortar protective layer 81 has a thickness of 3-15 mm, which can play a protective role. The rock wool fireproof isolation belt 3 separates the organic insulation board 4, which can effectively prevent the fire from spreading in case of fire. The rock wool is purchased from the rock wool produced by BNBM, and after being wrapped with mortar composite grid cloth, a vertical fiber rock wool fire isolation belt perpendicular to the base layer of the wall is formed. Rock wool can also be replaced by paste paste and other A-level non-combustible materials.

The quantity and setting density of rock wool fire isolation belts (that is, the distance between adjacent rock wool fire isolation belts 3) can be set according to fire protection requirements, and only horizontal or vertical rock wool fire isolation belts can be set, or they can be set at the same time The horizontal and vertical rock wool fireproof isolation belts form a grid to separate the organic insulation boards. It should be pointed out that in this embodiment, a leveling layer 5 formed by rubber powder polystyrene particles pasted with slurry is provided between the organic thermal insulation board 4 and the plastering mortar protective layer 81, in order to make the surface of the organic thermal insulation board 4 more stable. Leveling, in fact, the leveling layer 5 may not be provided, and the plastering mortar protective layer 81 may be directly provided.

As shown in FIG. 1 , preferably, the plastering mortar protective layer 81 is provided with an alkali-resistant glass fiber mesh cloth 71 , and the alkali-resistant glass fiber mesh cloth 71 can increase the strength of the plastering mortar protective layer 81 . In this embodiment, the organic insulation board 4 can be a molded polystyrene board or an extruded polystyrene board. Of course, the organic insulation board 4 can also be a commonly used organic insulation board such as a polyurethane board or a phenolic board.

As shown in FIG. 1 , preferably, anchor bolts 9 for reinforcing the thermal insulation board 4 on the base wall 1 are provided at the board seams 22 . Anchor bolt 9 can play reinforcing effect, prevents the deformation of insulation board 4 and comes off.

As shown in FIG. 1 , in this embodiment, the finish layer 8 is paint, and of course the finish layer 8 can also be replaced by colored mortar.

In order to achieve the purpose of sufficient isolation, the width of the rock wool fireproof isolation belt 3 is 10-50 mm, and the specific width can be determined according to the actual construction. The rock wool fireproof isolation belt 3 exceeding 10 mm can effectively prevent the fire from spreading.

Below in conjunction with Fig. 1, the advantages of the composite external thermal insulation wall body of this implementation are illustrated: the leveling layer 5 formed by using rubber powder polyphenylene particles to paste the slurry provides a whole flat base for the plastering mortar, and solves the problem of the organic thermal insulation board 4 The deviation of the surface flatness easily leads to the risk of cracks, and the stress release of the plate joints can be dispersed. At the same time, the rubber powder polystyrene particle paste grout is a good material for both heat preservation and heat storage. It can absorb part of the heat by itself at high temperature, reducing the heat accumulated in the plastering mortar protective layer 81, and reducing its annual temperature difference or daily temperature difference. Temperature difference, crack resistance can be improved. The leveling layer 5 formed by rubber powder and polystyrene particles pastes the slurry, and the combustion performance level is A2, which can block the attack of the external fire source on the organic insulation board 4, and because it is the insulation material, it can also effectively delay the external heat to the surface. The transfer on the inside forms a layer of excellent fire protection to the organic insulation board. The bonding layer 2 and the leveling layer 5 formed by the rubber powder polystyrene particles pasting the slurry also play the role of supplementary heat preservation.

In addition, as shown in Figure 1, as a preferred solution, in this embodiment, a layer of base-level interface mortar layer 11 is also provided on the base-level wall 1 to improve the bonding between the base-level wall 1 and the adhesive layer 2. Strength, of course, it is also possible to directly construct on the base wall 1. The surface of the organic insulation board 4 is also provided with an interface mortar treatment layer 41, and the interface mortar treatment layer 41 can be set on one side or both sides of the organic insulation board 4 to improve the organic insulation board 4 and the leveling layer 5 and the bonding layer 2. bonding performance between them.

Embodiment two

As shown in Figure 2, the difference between Embodiment 2 and Embodiment 1 is:

(1) In the plastering mortar protective layer 81, hot-dip galvanized steel wire mesh 72 is used to replace the alkali-resistant glass fiber mesh cloth 71 in Embodiment 1, which can also achieve the purpose of improving the strength of the plastering mortar protective layer 81. At this time, the plastic anchor (not shown in the figure) Fix the hot-dip galvanized steel wire mesh 72 on the base wall 1 .

(2) The facing layer 8 uses facing bricks instead of the paint in the first embodiment, which also achieves the effect of decoration.

Certainly, what is described above is the preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. And retouching are also regarded as the scope of protection of the present utility model.

Claims (9)

1. A composite external thermal insulation wall, from the inside to the outside is followed by the base wall, the adhesive layer formed by the glue powder polyphenylene particle pasting slurry, the organic thermal insulation board, the plastering mortar protective layer and the finish layer, the said The organic thermal insulation board is pasted to the base wall through the adhesive layer, and there are board gaps between adjacent organic thermal insulation boards, and the gaps are filled with rubber powder polystyrene particles to paste the slurry; it is characterized in that it is also set There is a horizontal or vertical fireproof isolation belt for isolating the organic thermal insulation board. The fireproof isolation belt is fully bonded to the base wall, and its surface is on the same plane as the organic thermal insulation board. 2. The composite external thermal insulation wall according to claim 1, characterized in that, the plastering mortar protective layer is provided with alkali-resistant glass fiber mesh cloth or hot-dip galvanized steel wire mesh. 3. The composite external thermal insulation wall according to claim 1 or 2, characterized in that, a leveling layer formed by glue powder polystyrene particles pasting grout is also provided between the organic thermal insulation board and the protective layer of plastering mortar. 4. The composite external thermal insulation wall according to claim 1 or 2, wherein the organic thermal insulation board is any one of molded polystyrene board, extruded polystyrene board, polyurethane board, and phenolic board. 5. The composite external thermal insulation wall according to claim 1 or 2, characterized in that, anchor bolts for reinforcing the thermal insulation board on the base wall are provided at the board seams. 6. The composite external thermal insulation wall according to claim 1 or 2, characterized in that, the finish layer is paint, facing brick or colored mortar. 7. The composite external thermal insulation wall according to claim 1 or 2, characterized in that, the width of the fireproof isolation belt is 10-50 mm. 8. The composite external thermal insulation wall according to claim 1 or 2, characterized in that, the material of the fireproof isolation belt is rock wool or rubber powder polystyrene particle pasting slurry. 9. The composite external thermal insulation wall according to claim 1 or 2, characterized in that the thickness of the plastering mortar protective layer is 3-15mm.

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