CN211257365U

CN211257365U - External thermal insulation composite structure based on self-thermal insulation external wall body

Info

Publication number: CN211257365U
Application number: CN201921548754.5U
Authority: CN
Inventors: 黄丽红; 宫海军; 张国良; 李伟恒; 魏永; 薛荣刚
Original assignee: NORENDAR INTERNATIONAL Ltd
Current assignee: NORENDAR INTERNATIONAL Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-14
Anticipated expiration: 2029-09-18

Abstract

The utility model relates to an external thermal insulation composite construction based on self-insulation external wall body, which comprises an external facing, a thermal insulation layer, a wall body outside leveling mortar layer, a self-insulation external wall body, a wall body inside leveling mortar layer and an internal facing which are arranged in sequence from outside to inside, wherein the thermal insulation layer is made of high-performance thermal insulation material; the utility model discloses an increase the heat preservation that adopts high performance insulation material in the outside of self preservation temperature outer wall body, improved the thermal insulation performance of wall body, make the outer wall coefficient of heat transfer of a star and two star green buildings be less than 0.475 and 0.45, satisfy new standard requirement.

Description

External thermal insulation composite structure based on self-thermal insulation external wall body

Technical Field

The utility model belongs to the technical field of building engineering, concretely relates to outer heat preservation composite construction based on self preservation temperature outer wall body.

Background

The wall heat-insulating structure generally comprises an external heat-insulating layer, an internal heat-insulating layer and an external heat-insulating layer.

The traditional external thermal insulation technology for the external wall is mainly limited by outdoor conditions, the design service life is 25 years generally, the design service life of a main body structure is 50 years generally, and the external thermal insulation of the external wall needs to be replaced in midway. In addition, in recent years, the whole external wall external thermal insulation system falls off in extreme windy weather.

The main problem that exists of traditional external wall internal insulation technique is that heat preservation thickness is great, has occupied indoor usable floor area, has increased the degree of difficulty for interior decoration in addition, for example couple and wall connection structure become complicated.

The average heat transfer coefficient of the outer wall of a traditional self-insulation outer wall body, namely a 300-thick self-insulation outer wall body (such as autoclaved sand aerated concrete building blocks or plates) public building is about 0.48, and the requirement of the national standard for the limit value of 0.50 of the outer wall in the public building energy-saving design standard GB 50189-2015 is met. According to the specification of 3.2.8 in the green building evaluation Standard executed from 8.1.2019, the thermal performance of the enclosure structure of the first-star and second-star green buildings needs to be improved by 5% and 10% respectively, namely the heat transfer coefficient of the outer wall needs to be 0.475 and 0.45 for the first-star and second-star green buildings with the original limit value of 0.50. The external wall only adopts a 300-thick self-insulation wall body, which cannot meet the requirement, and the maximum thickness of the conventional self-insulation building block (plate) in the engineering is 300. In order to solve the above problems, there is a need to provide an innovative insulation structure to overcome the above drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure, construction convenience, quality are reliable is provided to improve wall body thermal insulation performance's outer heat preservation composite construction based on self preservation temperature outer wall body.

The utility model provides an outer heat preservation composite construction based on self preservation temperature outer wall body, its includes from outer to interior outer veneer, heat preservation, the mortar layer of making level in the wall body outside, self preservation temperature outer wall body, the inboard mortar layer of making level in the wall body and interior veneer that set gradually, the heat preservation adopts high performance insulation material.

Furthermore, the heat-insulating layer adopts hollow glass beads.

Furthermore, the heat-insulating layer is coated on the leveling mortar layer outside the wall body in three layers.

Furthermore, the self-insulation outer wall body is formed by building heat-insulation building blocks.

Further, the self-insulation outer wall body is formed by building autoclaved aerated concrete blocks or autoclaved sand aerated concrete blocks.

Furthermore, the self-insulation external wall body is made of prefabricated self-insulation battens.

Further, the self-insulation outer wall body is made of autoclaved aerated concrete plates and autoclaved sand aerated concrete plates.

Furthermore, one or more of the outer facing, the heat-insulating layer, the mortar layer for leveling outside the wall body, the self-heat-insulating outer wall body, the mortar layer for leveling inside the wall body and the inner facing are prefabricated and molded by factories.

The utility model discloses an actively the effect does: the utility model discloses an increase the heat preservation that adopts high performance insulation material in the outside of self preservation temperature outer wall body, improved the thermal insulation performance of wall body, make the outer wall coefficient of heat transfer of a star and two star green buildings be less than 0.475 and 0.45, satisfy new standard requirement. Meanwhile, the heat-insulating layer is arranged on the outer side of the self-heat-insulating outer wall body, so that the indoor use area is not occupied, and the difficulty of indoor decoration is not increased.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in the attached figure 1, the utility model discloses an outer veneer 1, heat preservation 2, the wall body outside mortar layer 3 of making level, self preservation temperature outer wall body 4, the inboard mortar layer 5 and the interior veneer 6 of making level of wall body.

The self-insulation outer wall body 4 is built in a main structure or assembled in advance by self-insulation building blocks such as autoclaved aerated concrete blocks, autoclaved sand aerated concrete blocks and the like.

And mortar is smeared on the outer side surface of the self-insulation outer wall body 4 and leveled to form a wall body outer side leveling mortar layer 3, a high-performance heat insulation material is smeared on the outer side of the wall body outer side leveling mortar layer 3 to form a heat insulation layer 2, decoration is carried out on the outer side of the heat insulation layer 2 to form an outer decoration surface 1, and the outer decoration surface 1 is determined according to engineering design. The heat preservation layer 2 is located the outside of self preservation temperature outer wall body 4, can not occupy indoor usable floor area, and uses high performance insulation material for the average heat transfer coefficient that can make whole composite construction accords with the national standard that the whole thickness of heat preservation layer 2 is lower.

And (3) plastering mortar on the inner side surface of the self-insulation outer wall body 4 and leveling to form a leveling mortar layer 5 on the inner side of the wall body, and arranging a device on the outer side of the leveling mortar layer 5 on the inner side of the wall body to form an inner decorative surface 6, wherein the inner decorative surface is determined according to engineering design.

The heat preservation layer 2 can be coated on the outer side of the wall body by the mortar leveling layer 3 at one time according to the designed thickness, and also can be coated on the outer side of the wall body by layers (namely, primary coating, middle layer and surface coating) according to the designed thickness, and the maintaining materials can be bonded with the base layer wall body more firmly by the layer coating without delaminating.

The performance indexes of the high-performance heat-insulating material of the heat-insulating layer 2 can refer to table 1, and hollow glass beads can be adopted. The heat-insulating layer 2 made of high-performance heat-insulating materials can greatly improve the heat-insulating performance of the wall body.

TABLE 1 high Performance insulation Performance index example

Note: the performance indexes of the table refer to item 5.3 and item 5.4 of JG/T517-one 2017 of hollow glass bead heat-insulating material for engineering.

The utility model discloses an each aspect can adopt and paint the construction at the scene, also can adopt the prefabricated shaping of mill to assemble at the scene.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides an outer heat preservation composite construction based on self preservation temperature outer wall body which characterized in that it includes outer veneer (1), heat preservation (2), the mortar layer (3) of making level in the wall body outside, self preservation temperature outer wall body (4), the inboard mortar layer (5) of making level in the wall body and interior veneer (6) that set gradually from outside to inside, heat preservation (2) adopt high performance insulation material.

2. The external thermal insulation composite structure based on the self-thermal insulation external wall body as claimed in claim 1, wherein the thermal insulation layer (2) is made of hollow glass beads.

3. The external thermal insulation composite structure based on the self-thermal insulation external wall body as claimed in claim 2, wherein the thermal insulation layer (2) is coated on the leveling mortar layer (3) on the outer side of the wall body in three layers.

4. The external thermal insulation composite structure based on the self-thermal insulation external wall body as claimed in claim 1, wherein the self-thermal insulation external wall body (4) is formed by building self-thermal insulation blocks.

5. The external thermal insulation composite structure based on the self-thermal insulation external wall body according to claim 4, wherein the self-thermal insulation external wall body (4) is constructed by autoclaved aerated concrete blocks or autoclaved sand aerated concrete blocks.

6. The external thermal insulation composite structure based on the self-thermal insulation external wall body as claimed in claim 1, wherein the self-thermal insulation external wall body (4) is made of prefabricated self-thermal insulation lath.

7. The external thermal insulation composite structure based on the self-thermal insulation external wall body is characterized in that the self-thermal insulation external wall body (4) is made of autoclaved aerated concrete plates or autoclaved sand aerated concrete plates.

8. The external thermal insulation composite structure based on the self-insulation external wall body according to claim 1, wherein one or more of the external facing (1), the thermal insulation layer (2), the leveling mortar layer (3) on the outer side of the wall body, the self-insulation external wall body (4), the leveling mortar layer (5) on the inner side of the wall body and the internal facing (6) are prefabricated and formed by a factory.