CN219175506U

CN219175506U - External wall external heat insulation system and building comprising same

Info

Publication number: CN219175506U
Application number: CN202223094874.7U
Authority: CN
Inventors: 郭建军
Original assignee: Inner Mongolia Jiashite Building Energy Saving Materials Co ltd
Current assignee: Inner Mongolia Jiashite Building Energy Saving Materials Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-13
Anticipated expiration: 2032-11-22

Abstract

The embodiment of the utility model relates to an external wall external heat insulation system and a building comprising the same, and relates to the field of residential buildings, in particular to a passive house building. The heat insulation layer comprises a first bonding layer, a first heat insulation layer, a second bonding layer and a second heat insulation layer which are sequentially connected; the fire-proof isolation belt is connected with the first bonding layer, and the fire-proof isolation belt is connected with the ends of the same sides of the first heat-preserving layer, the second bonding layer and the second heat-preserving layer; the first heat preservation layer adopts a graphite polyphenyl board; and the fireproof isolation belt and the second heat preservation layer are both inorganic permeable polyphenyl plates. When the external heat preservation system structure is used on a residential building with the height of less than 100m, a fireproof window is not needed. Compared with an external wall external heat insulation system formed by B1-level heat insulation boards, the total cost of the building is reduced, and the fire resistance is greatly improved; compared with an external wall external heat insulation system formed by A-level heat insulation boards, the total thickness of the external wall is reduced, and the system safety is higher.

Description

External wall external heat insulation system and building comprising same

Technical Field

The utility model relates to the field of building exterior wall external heat insulation systems, in particular to an exterior wall external heat insulation system and a building comprising the same.

Background

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

The residential building with the building height of 27-100m has clear requirements for external wall external heat preservation according to GB 50016-2014 building design fire protection Specification, and has two options: (1) an external heat insulation system of A-level heat insulation materials and a common window; (2) B1-level heat-insulating material external heat-insulating system and fire-resisting window.

The scheme (1) has the defect that the external heat insulation system of the A-level heat insulation material has poor comprehensive performance except excellent fireproof performance and high quality risk. The high cost of the fire resistant window of the scheme (2) results in an increase in the construction cost. The scheme (3) is that the dead weight of the second layer of inorganic heat-insulating board is large, and the first layer of heat-insulating layer is free of any fireproof separation. Has larger potential safety hazard.

Disclosure of Invention

Technical problem

In view of the above, the technical problem to be solved by the utility model is to provide an external wall external heat insulation system and a building comprising the same, which can solve the problem that fire prevention and heat insulation in the prior art are difficult to be compatible, and compared with the existing pure A-level double-layer heat insulation material, the external wall external heat insulation system structure of the utility model can greatly improve the safety of the system, save the whole thickness of the wall body and reduce the total cost of the building. Compared with the double-layer heat preservation, the fire-proof safety of the system can be improved by adopting the pure B-level heat preservation material, and the cost can be greatly reduced because a fire window is not needed. The fireproof isolation belt provided by the utility model has the fireproof isolation effect on the first heat preservation component, the part protruding out of the first heat preservation component has the supporting effect of a bracket on the second heat preservation board, the system safety is greatly improved, the whole thickness of a wall body is saved, and the overall cost of a building is reduced.

Compared with the pure A-level heat preservation material, the external heat preservation system structure of the utility model can greatly improve the safety of the system, save the whole thickness of the wall body and reduce the overall cost of the building. Compared with the B1-level heat-insulating material, the fireproof safety of the system can be improved, and the cost can be greatly reduced because a fireproof window is not needed.

Solution scheme

In order to solve the technical problems, the embodiment of the utility model provides an external wall external heat insulation system, which comprises a first bonding layer, a first heat insulation layer, a second bonding layer and a second heat insulation layer which are sequentially connected; the fire-proof isolation belt is connected with the first bonding layer, and the fire-proof isolation belt is connected with the ends of the same sides of the first heat-preserving layer, the second bonding layer and the second heat-preserving layer; the first heat preservation layer adopts a graphite polyphenyl board; and the fireproof isolation belt and the second heat preservation layer are both inorganic permeable polyphenyl plates.

Further, the thickness of the fireproof isolation belt is the sum of the thicknesses of the first heat preservation layer, the second bonding layer and the second heat preservation layer.

And/or the fireproof isolation belt is positioned at the ring beam part of the building, and one layer is arranged on each layer.

Further, the combustion performance of the graphite polystyrene board is B1 grade.

Further, the inorganic infiltrated polystyrene board has a combustion performance of class A2.

Further, the thickness of the first heat preservation layer is 20mm-250mm.

Further, the thickness of the second heat preservation layer is 50mm-100mm.

Further, a mortar bonding layer is formed by fully bonding the first heat preservation layer and the second heat preservation layer by adopting a strip bonding method, and the thickness is 5-10mm.

Further, the first bonding layer is 5-20mm thick.

Further, the first bonding layer comprises a point frame bonding layer and a full bonding layer which are respectively connected with the first heat insulation layer and the fireproof isolation belt, and the point frame bonding layer is formed by adopting a point frame bonding method; the full-adhesion bonding layer is formed by adopting a strip bonding method.

Further, the fireproof isolation belt and the outer side surface of the second heat preservation layer are on the same horizontal plane.

Further, the outer side surfaces of the fireproof isolation belt and the second heat preservation layer are sequentially bonded with an anti-cracking reinforcing layer and a coating finishing layer; the thickness of the crack resistance reinforcing layer is 3-8mm.

Further, the anti-cracking reinforcing layer is a single-layer or double-layer plastering mortar composite grid cloth reinforcing layer.

Further, the thickness of the crack resistance enhancing layer is 2-10mm.

Further, the wall body further comprises an anchor bolt for fixing the first heat preservation layer and the second heat preservation layer on the wall body of the base layer.

On the other hand, a building is provided, which comprises a base layer wall body, wherein the outer side face of the base layer wall body is connected with the outer wall external heat insulation system, and the first bonding layer is connected with the outer side face of the base layer wall body.

Further, the building is a passive house building.

Advantageous effects

The utility model takes the first heat-insulating layer (combustion performance is B1 grade, such as graphite polyphenyl board) in the heat-insulating assembly as the main heat-insulating layer, has the advantages of high efficiency, low thickness and light dead weight, and the second heat-insulating layer and the fireproof isolation belt both adopt heat-insulating materials (such as inorganic permeable polyphenyl board) with combustion performance A grade, and the thickness of the A grade materials exceeds 50mm as auxiliary heat-insulating layers. According to the content of the fireproof standard of the building design, when the external heat preservation system is constructed and used on a residential building with the height of less than 100m, a fireproof window is not needed, so that the total cost of the building is reduced; the safety of the system is far higher than that of an external heat preservation system made of pure A-level heat preservation materials, the whole thickness of a wall body is saved, and the overall cost of a building is reduced; compared with the B1-level heat-insulating material, the fireproof safety of the system can be improved, and the cost can be greatly reduced because a fireproof window is not needed.

The foregoing description is only an overview of the present utility model, and it is to be understood that it is intended to provide a more clear understanding of the technical means of the present utility model and to enable the technical means to be carried out in accordance with the contents of the specification, while at the same time providing a more complete understanding of the above and other objects, features and advantages of the present utility model, and one or more preferred embodiments thereof are set forth below, together with the detailed description given below, along with the accompanying drawings.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is a schematic cross-sectional view of one embodiment of an external wall insulation system according to the present utility model mounted on a base wall.

Wherein, 1-basic unit wall body, 2-second tie coat, 3-first heat preservation, 4-second heat preservation, 5-crab-bolt, 6-plaster mortar, 7-net cloth, 8-coating finish coat, 9-fire prevention median.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or other components.

Spatially relative terms, such as "below," "beneath," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element's or feature's relationship to another element's or feature's in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the article in use or operation in addition to the orientation depicted in the figures. For example, if the article in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" may encompass both a direction of below and a direction of above. The article may have other orientations (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terms "first," "second," and the like herein are used for distinguishing between two different elements or regions and are not intended to limit a particular position or relative relationship. In other words, in some embodiments, the terms "first," "second," etc. may also be interchanged with one another.

The utility model provides an embodiment of an external wall external heat insulation system, as shown in figure 1, which comprises a first bonding layer 2, a first heat insulation layer 3, a second bonding layer and a second heat insulation layer 4 which are sequentially connected; the fire-proof insulating tape (9) is connected with the first bonding layer (2), and the fire-proof insulating tape (9) is connected with the ends of the same sides of the first heat-insulating layer, the second bonding layer and the second heat-insulating layer; the first heat-insulating layer 3 adopts a graphite polyphenyl board; the fireproof isolation belt 9 and the second heat preservation layer 5 are both inorganic permeable polyphenyl plates.

The utility model takes the first heat-insulating layer (combustion performance is B1 grade, such as graphite polyphenyl board) in the heat-insulating assembly as the main heat-insulating layer, has the advantages of high efficiency, low thickness and light dead weight, and the second heat-insulating layer and the fireproof isolation belt both adopt heat-insulating materials (such as inorganic permeable polyphenyl boards) with combustion performance of A grade, and the thickness of the A grade materials exceeds 50mm as auxiliary heat-insulating layers, so that a fireproof window is not needed according to fireproof standard requirements, and the total cost of the building is reduced; the safety of the system is far higher than that of an external heat preservation system made of pure A-level heat preservation materials, the whole thickness of a wall body is saved, and the overall cost of a building is reduced; compared with the B1-level heat-insulating material, the fireproof safety of the system can be improved, and the cost can be greatly reduced because a fireproof window is not needed.

Further, the thickness of the fire barrier 9 is the sum of the thicknesses of the first heat insulating layer 3, the second adhesive layer, and the second heat insulating layer 4, as shown in fig. 1.

Further, the fireproof isolation belt 9 is located at the lower parts of the first heat preservation layer 3, the second bonding layer and the second heat preservation layer 4, on one hand, the fireproof isolation effect can be achieved on the first heat preservation layer (the graphite polystyrene board), on the other hand, the bracket supporting effect can be achieved on the second heat preservation layer (the inorganic permeable polystyrene board), and the safety performance of the system is improved.

Further, the combustion performance of the graphite polystyrene board was class B1.

Further, the thickness of the first insulation layer 3 is 20mm-250mm.

Further, the thickness of the second heat-insulating layer 4 is 50mm-100mm.

Further, a mortar bonding layer formed by full bonding is adopted between the first heat preservation layer 3 and the second heat preservation layer 4, and the thickness is 5-10mm.

Further, the first adhesive layer 2 has a thickness of 5 to 20mm.

As an implementation scheme, the first bonding layer 2 comprises a point frame bonding layer and a full bonding layer which are respectively connected with the first heat insulation layer 3 and the fireproof isolation belt 9, wherein the point frame bonding layer is formed by adopting a point frame bonding method; the full-adhesion bonding layer is formed by adopting a strip bonding method.

Further, the fireproof isolation belt 9 and the outer side surface of the second heat insulation layer 4 are on the same horizontal plane.

Further, the anti-cracking reinforcing layer is a single-layer or double-layer plastering mortar composite grid cloth reinforcing layer. The crack resistant reinforcement layer may include a finishing mortar 6 and a scrim 7. The thickness of the anti-cracking reinforcing layer is 3-8mm, and specifically, the thickness of the single-layer plastering mortar composite grid cloth reinforcing layer is 3-5mm; or the thickness of the reinforcing layer of the double-layer plastering mortar composite grid cloth is 6-8mm.

Further, the thickness of the crack resistance enhancing layer is 2-10mm.

Further, the heat insulation system also comprises an anchor bolt 5 for fixing the first heat insulation layer 3 and the second heat insulation layer 4 on the base layer wall body 1. The anchor bolts penetrate through the second heat preservation layer 4, the second bonding layer, the first heat preservation layer 3 and the first bonding layer to be connected with the base layer wall body.

On the other hand, a building is provided, which comprises a base layer wall body 1, wherein the outer side surface of the base layer wall body 1 is connected with the outer wall external heat insulation system.

Further, the building is a passive house building.

One specific embodiment may be:

the first heat preservation layer (graphite polyphenyl board) is bonded on a base wall body by adopting bonding mortar through a point frame bonding method, a fireproof isolation belt (A-level stepless permeable polyphenyl board) is arranged on each layer of building while bonding, the thickness of the first heat preservation layer, the first bonding layer and the second heat preservation layer is 300mm by adopting bonding mortar to fully bond. The fireproof isolation belt can play a role in fireproof isolation on the first heat-insulating layer (graphite polystyrene board) and play a role in supporting a bracket on the second heat-insulating layer (inorganic permeable polystyrene board), so that the safety performance of the system is improved.

And then, fully adhering a second heat-insulating layer (A-level inorganic permeable polyphenyl board) on the first heat-insulating layer by adopting an adhesive mortar strip adhering method, beating anchor bolts, beating special anchor bolts for a passive room when the building is used for the passive room, plastering the crack-resistant reinforcing layer of the mortar composite grid cloth, and then performing coating finish layer construction.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. Any simple modifications, equivalent variations and modifications of the above-described exemplary embodiments should fall within the scope of the present utility model.

Claims

1. The external wall external heat insulation system is characterized by comprising a first bonding layer, a first heat insulation layer, a second bonding layer and a second heat insulation layer which are sequentially connected;

the fire-proof isolation belt is connected with the first bonding layer, and the fire-proof isolation belt is connected with the ends of the same sides of the first heat-preserving layer, the second bonding layer and the second heat-preserving layer;

the first heat preservation layer adopts a graphite polyphenyl board;

and the fireproof isolation belt and the second heat preservation layer are both inorganic permeable polyphenyl plates.

2. The exterior wall external insulation system according to claim 1, wherein the thickness of the fire barrier is the sum of the thicknesses of the first insulation layer, the second adhesive layer, and the second insulation layer;

3. The exterior wall external insulation system according to claim 1, wherein the graphite polystyrene board has a combustion performance of class B1;

and/or the inorganic penetrating polyphenyl board has a combustion performance of class A2.

4. The exterior wall insulation system according to claim 3, wherein the thickness of the first insulation layer is 20mm-250mm;

and/or the thickness of the second heat preservation layer is 50mm-100mm;

and/or, a mortar bonding layer is formed by fully bonding the first heat-insulating layer and the second heat-insulating layer by adopting a strip bonding method, and the thickness is 5-10mm;

and/or the first bonding layer is 5-20mm thick;

and/or the first bonding layer comprises a point frame bonding layer and a full bonding layer which are respectively connected with the first heat insulation layer and the fireproof isolation belt, wherein the point frame bonding layer is formed by adopting a point frame bonding method; the full-adhesion bonding layer is formed by adopting a strip bonding method.

5. The exterior wall insulation system of any one of claims 1 to 4, wherein the fire barrier is on the same horizontal plane as the outer side of the second insulation layer.

6. The external thermal insulation system of claim 5, wherein the fireproof isolation belt and the outer side surface of the second thermal insulation layer are sequentially bonded with an anti-cracking reinforcing layer and a coating finishing layer; the thickness of the crack resistance reinforcing layer is 3-8mm.

7. The external wall external heat insulation system according to claim 6, wherein the anti-cracking reinforcing layer is a single-layer or double-layer plastering mortar composite gridding cloth reinforcing layer;

and/or the thickness of the crack resistance enhancing layer is 2-10mm.

8. The exterior wall external insulation system according to any of claims 1 to 4, further comprising anchors for securing the first and second insulation layers to the base wall.

9. A building comprising a base wall body, wherein the outer side surface of the base wall body is connected with the external wall external heat insulation system according to any one of claims 1 to 8, and the first bonding layer is connected with the outer side surface of the base wall body.

10. The building of claim 9, wherein the building is a passive building.