Composite mortar external wall internal thermal insulation system structure and construction method thereof

Abstract

The present application relates to a kind of composite mortar outer wall inner thermal insulation system structure and its construction method, including outer wall base body, a layer of interface mortar layer is daubed on the inner wall of outer wall base body, the outer side of interface mortar layer is provided with several single-area thermal insulation parts by material fixing structure, material fixing structure includes reinforcing frame and several array distribution spacing plates, thermal insulation part includes first thermal insulation mortar layer and second thermal insulation mortar layer, first thermal insulation mortar layer is filled in spacing plate, reinforcing frame is daubed with a layer of second thermal insulation mortar layer, second thermal insulation mortar layer covers around spacing plate and outer side surface.The second thermal insulation mortar layer after setting is formed with the abutting relationship of mutual support, mutual aid between first thermal insulation mortar layer, the second thermal insulation mortar layer of single-area and first thermal insulation mortar layer is set, it is easy to guarantee the smoothness of the outer surface of thermal insulation structure, effectively improve the strength of entire outer wall base body thermal insulation structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering wall heat preservation construction, in particular to a composite mortar outer wall inner heat preservation system structure and a construction method thereof. BACKGROUND

[0002] With the increasingly strict implementation of the national energy-saving and emission-reducing policies and regulations in the construction industry, the outer wall base heat preservation technology is more widely applied, and the outer wall heat preservation system and construction quality are the most important and direct factors affecting the heat preservation performance of buildings. The outer wall base heat preservation system is an important part of the building energy-saving system, and the outer wall heat preservation system of a building mainly consists of wall materials and plaster (decoration) surface layers.

[0003] At present, the wall inner heat preservation system commonly used in construction engineering mainly consists of a base wall, an interface layer, a heat preservation layer and a crack-resistant surface layer, and the difference lies in that the material types used in each layer are different, and there are many aspects that need to be improved. Through retrieval, a building outer wall inner heat preservation system (Chinese patent application No. CN201320239547.8) is disclosed, which comprises a base wall, characterized in that the inner wall of the base wall is covered with an adhesive layer, the outer side of the adhesive layer is bonded with a heat preservation and insulation layer, the heat preservation and insulation layer is a composite foamed cement board, the outer side of the heat preservation and insulation layer is covered with an inner protective layer, the outer side of the inner protective layer is covered with two layers of alkali-resistant mesh cloth, the outer side of the alkali-resistant mesh cloth is covered with an outer protective layer, and the surface of the outer protective layer is attached with a decorative layer. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a composite mortar outer wall inner heat preservation system structure and a construction method thereof. By arranging the material fixing structure and the heat preservation part, the second heat preservation mortar layer after final setting forms a mutual supporting and assisting abutting relationship with the first heat preservation mortar layer, the second heat preservation mortar layer and the first heat preservation mortar layer are arranged in separate areas, the smoothness of the outer surface of the heat preservation structure is easily ensured, the strength of the entire outer wall base heat preservation structure is effectively improved, and phenomena such as cracking, hollowing and deformation are prevented.

[0005] The technical solution adopted by the present invention to solve its technical problems is: to provide a structure of a composite mortar internal wall insulation system for exterior walls, including an exterior wall matrix. An interface mortar layer is smeared on the inner wall of the exterior wall matrix. A plurality of insulation parts in separate areas are arranged on the outer side of the interface mortar layer through a material fixing structure. The material fixing structure includes a reinforcing frame and a plurality of partition plates distributed in an array. The reinforcing frame includes a reinforcing plate and a grid plate. One side of the reinforcing plate is bonded to the interface mortar layer, and a grid plate is arranged on the other side of the reinforcing plate. A partition plate is installed in each grid hole of the grid plate on the side wall of the other side of the reinforcing plate. The partition plate is in a "square" shape structure. The insulation part includes a first insulation mortar layer and a second insulation mortar layer. The first insulation mortar layer is filled in the partition plate, and a second insulation mortar layer is smeared on the outer side of the reinforcing frame. The second insulation mortar layer covers the periphery and the outer side of the partition plate. A decorative surface layer is smeared on the outer side of the second insulation mortar layer.

[0006] As a supplement to the technical solution of the present invention, the left-right distance between adjacent partition plates is 20 - 40 cm, and the up-down distance is 15 - 40 cm.

[0007] As a supplement to the technical solution of the present invention, two or more positioning pins are arranged at the nodes of the grid plate, and one end of the positioning pin is fixed to the inner wall of the exterior wall matrix.

[0008] As a supplement to the technical solution of the present invention, a grid cloth layer is arranged on the outer wall of each partition plate, and the grid cloth layer is a fiberglass grid cloth.

[0009] As a supplement to the technical solution of the present invention, the smeared thickness of the first insulation mortar layer is 20 - 30 mm, and the smeared thickness parameters of the first insulation mortar layer and the second insulation mortar layer are: the first insulation mortar layer < the second insulation mortar layer ≤ 40 mm.

[0010] As a supplement to the technical solution of the present invention, the decorative surface layer is one of paint, facing bricks, and water putty.

[0011] A construction method for the structure of a composite mortar internal wall insulation system for exterior walls, the specific operation steps are as follows:

[0012] S1: Clean the exterior wall matrix and repair it to be flat, so that there is no oil stain, dust, dirt, or loose material on the outer surface of the wall;

[0013] S2: Draw control lines on the wall adjacent to the inner surface of the exterior wall matrix, and hang vertical reference steel wires at the large corners of the inner wall of the building;

[0014] S3: before the initial setting of the interface mortar layer, the material fixing structure is pressed into the inner wall of the interface mortar layer by referring to the control line and the reference steel line, and the layer is leveled and painted;

[0015] S4: after the interface mortar layer is set, the reinforcing frame is positioned on the outer wall base body by using the positioning pin;

[0016] S5: the first thermal insulation mortar layer is painted on the inner wall of the partition plate and then the mesh cloth layer is pressed in;

[0017] S6: after the first thermal insulation mortar layer is set, the second thermal insulation mortar layer is painted in the material fixing structure;

[0018] S7: after the thermal insulation part is set, the decorative surface layer is painted.

[0019] Beneficial effects: the present application relates to a composite mortar outer wall inner thermal insulation system structure and its construction method, which has the following advantages:

[0020] 1. By setting the material fixing structure and the thermal insulation part, the second thermal insulation mortar layer after final setting and the first thermal insulation mortar layer form a mutual supporting and assisting abutting relationship, the second thermal insulation mortar layer and the first thermal insulation mortar layer are set in separate areas, which can easily ensure the smoothness of the outer surface of the thermal insulation structure, effectively improve the strength of the entire outer wall base thermal insulation structure, prevent cracking, hollowing, deformation and other phenomena, ensure the thermal insulation effect of the outer wall, save cost, realize the environmental, economic and social benefits of energy saving and emission reduction;

[0021] 2. By setting the first thermal insulation mortar layer and the second thermal insulation mortar layer, the interaction between raw materials can effectively improve the strength and toughness of the overall thermal insulation part, and the use of glue powder polystyrene particles and inorganic thermal insulation materials can solve the problem of strong water absorption of glue powder polystyrene particles and individual inorganic thermal insulation materials, reduce the thermal conductivity of the wall structure, improve the tensile strength of the outer wall, ensure the excellent thermal insulation performance of the outer wall, reduce the linear shrinkage of the thermal insulation part, and improve the volume stability;

[0022] 3. By setting multiple layers of thermal insulation, the thermal conductivity can be effectively reduced, the thermal insulation performance, weather resistance and fire resistance of the outer wall inner thermal insulation can be improved, the tensile strength and stability of the outer wall inner thermal insulation system can be effectively improved, the process is simple and easy to popularize. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a structural schematic diagram of the present application;

[0024] Fig. 2 is a structural schematic diagram of the reinforcing frame described in the present application;

[0025] Fig. 3 is a flowchart of the construction method of the present application.

[0026] Fig. 1 is an outer wall base, 2 is an interface mortar layer, 3 is a partition plate, 4 is a reinforcing frame, 5 is a second thermal insulation mortar layer, 6 is a decorative surface layer, 7 is a mesh cloth layer, 8 is a positioning pin, 9 is a reinforcing plate, and 10 is a mesh plate. DETAILED DESCRIPTION

[0027] The application will be further described below in connection with specific embodiments. It should be understood that these embodiments are only used to illustrate the application and not used to limit the scope of the application. Furthermore, it should be understood that after reading the content of the application, those skilled in the art can make various modifications or changes to the application, and these equivalent forms also fall within the scope of the appended claims.

[0028] The embodiment of the application relates to a composite mortar outer wall inner thermal insulation system structure and a construction method thereof. Figs. 1-3 As shown in the figure, the outer wall base 1 is coated with an interface mortar layer 2 on the inner wall, and the outer side of the interface mortar layer 2 is provided with a plurality of thermal insulation parts in separate areas through a material fixing structure, the material fixing structure comprises a reinforcing frame 4 and a plurality of partition plates 3 distributed in an array, the reinforcing frame 4 comprises a reinforcing plate 9 and a mesh plate 10, one side of the reinforcing plate 9 is bonded to the interface mortar layer 2, and the other side of the reinforcing plate 9 is provided with the mesh plate 10, a partition plate 3 is installed in each mesh hole of the mesh plate 10 on the other side of the reinforcing plate 9, the partition plate 3 has a "mouth" structure, the thermal insulation part comprises a first thermal insulation mortar layer and a second thermal insulation mortar layer 5, the first thermal insulation mortar layer is filled in the partition plate 3, the reinforcing frame 4 is coated with the second thermal insulation mortar layer 5, the second thermal insulation mortar layer 5 covers the four sides and the outer side of the partition plate 3, and the outer side of the second thermal insulation mortar layer 5 is coated with a decorative surface layer 6; the partition plate 3 and the reinforcing frame 4 are fixed by welding.

[0029] The left-right spacing of adjacent partition plates 3 is 20-40 cm, and the up-down spacing is 15-40 cm.

[0030] Furthermore, a plurality of positioning pins 8 are threadedly connected at the nodes of the mesh plate 10, one end of the positioning pin 8 is inserted into the inner wall of the outer wall base 1, the reinforcing frame 4 is improved in assembly firmness, the thermal insulation part is facilitated to be fixed, and the service life of the overall structure is prolonged.

[0031] The one side outer wall of the partition plate 3 is stacked with a glass fiber mesh layer 7. After the interface mortar layer 2 on one side of the outer wall base body 1 is applied, the reinforcing frame 4 is pressed on one side before initial setting, and then the reinforcing frame 4 is positioned on the outer wall base body 1 through a plurality of positioning pins 8 after the interface mortar layer 2 is set, the first thermal insulation mortar layer is filled in the wrapping range of the partition plate 3 and is leveled on one side, and the glass fiber mesh layer 7 is pressed into the first thermal insulation mortar layer in the partition plate 3. After the first thermal insulation mortar layer is set, a second thermal insulation mortar layer 5 is applied on the reinforcing frame 4 to cover the four sides and one side of the partition plate 3, so that the second thermal insulation mortar layer 5 after final setting and the first thermal insulation mortar layer form a mutual supporting and mutual supporting abutting relationship, the second thermal insulation mortar layer 5 and the first thermal insulation mortar layer are arranged in separate areas, the smoothness of the thermal insulation structure outer surface is easily ensured, the strength of the entire thermal insulation structure of the outer wall base body 1 is effectively improved, and the phenomena of cracking, hollowing, deformation and the like are prevented.

[0032] The first thermal insulation mortar layer and the second thermal insulation mortar layer 5 each include the following components by weight: 5 parts of nano ceramic powder, 10 parts of glue powder polystyrene particles, 8 parts of inorganic thermal insulation material, and 0.2 parts of external additives. The strength and toughness of the material are improved, the glue powder polystyrene particles and the inorganic thermal insulation material are used together, the problem of strong water absorption of the glue powder polystyrene particles and individual inorganic thermal insulation materials is solved, the thermal conductivity of the wall structure is reduced, the tensile strength of the outer wall is improved, the excellent thermal insulation performance of the outer wall is ensured, the linear shrinkage of the thermal insulation part is reduced, and the volume stability is improved.

[0033] Further, the inorganic thermal insulation material is one of hollow glass beads, expanded perlite, closed perlite, rock wool, mineral wool, glass wool and the like. Preferably, the inorganic thermal insulation material in the embodiment is expanded perlite.

[0034] Further, the external additive is one or a mixture of two or more of a leveling agent, a cellulose ether, an air entraining agent, a dispersant and the like, and the mixing ratio can be adjusted as needed.

[0035] The application thickness of the first thermal insulation mortar layer is 20-30 mm, and the application thickness parameters of the first thermal insulation mortar layer and the second thermal insulation mortar layer 5 are: the first thermal insulation mortar layer < the second thermal insulation mortar layer 5 ≤ 40 mm.

[0036] The decorative surface layer 6 is one or a mixture of two of paint, facing brick and water putty, and the mixing ratio can be adjusted as needed to improve the thermal insulation performance and aesthetic appearance of the outer wall.

[0037] In use, the embodiment is characterized in that after the interface mortar layer 2 is applied on the inner side of the outer wall base 1, the reinforcing frame 4 is pressed on one side of the interface mortar layer 2 before initial setting, and then the reinforcing frame 4 is positioned on the outer wall base 1 by the plurality of positioning pins 8 after the interface mortar layer 2 is set, the first thermal insulation mortar layer is filled in the wrapping range of the partition plate 3 and is leveled on one side, and the mesh cloth layer 7 is pressed into the first thermal insulation mortar layer in the partition plate 3, so that the second thermal insulation mortar layer 5 is applied on the reinforcing frame 4 to cover the partition plate 3 around and one side after the first thermal insulation mortar layer is set, thereby forming a mutual supporting and mutual assisting abutting relationship between the dryed second thermal insulation mortar layer 5 and the first thermal insulation mortar layer, the second thermal insulation mortar layer 5 of the separate area is arranged with the first thermal insulation mortar layer, the smoothness of the outer surface of the thermal insulation structure is easily ensured, the strength of the thermal insulation structure of the entire outer wall base 1 is effectively improved, and the phenomena such as cracking, hollowing and deformation are prevented.

[0038] The following are the performance parameters of the thermal insulation part in the embodiment of the application:

[0039]

[0040] A construction method of a composite mortar outer wall inner thermal insulation system structure, comprising the following steps:

[0041] S1: clean the outer wall base 1 and repair and level, so that the outer surface of the wall is free of oil stains, dust, dirt and loose materials;

[0042] S2: draw a control line on the wall surface adjacent to the inner surface of the outer wall base 1, and hang a vertical reference steel wire on the inner wall surface of the building;

[0043] S3: apply the interface mortar layer 2 before initial setting, press the material fixing structure into the inner wall of the interface mortar layer 2 according to the control line and the reference steel wire, and level the applied layer;

[0044] S4: after the interface mortar layer 2 is set, position the reinforcing frame 4 on the outer wall base 1 by the positioning pins 8;

[0045] S5: apply the first thermal insulation mortar layer to the inner wall of the partition plate 3 and then press the mesh cloth layer 7;

[0046] S6: after the first thermal insulation mortar layer is set, apply the second thermal insulation mortar layer 5 in the material fixing structure;

[0047] S7: after the thermal insulation part is set, apply the decorative surface layer 6 to cover the surface.

[0048] The surface flatness and facade verticality of the outer wall base 1 are ≤5mm.

[0049] The composite mortar external wall internal thermal insulation system structure and its performance meet the relevant provisions of the current national standards, such as the Design Standard of Energy Efficiency of Civil Buildings GB50176, Design Standard for Energy Efficiency of Civil Buildings (Heating Residential Building Part) JGJ26 and Design Standard for Energy Efficiency of Residential Buildings in Hot Summer and Cold Winter Zones JGJ134.

[0050] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0051] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial positional relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0052] In addition, it should be noted that the use of the words "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it cannot be understood as a limitation on the scope of protection of the present application.

[0053] The composite mortar external wall internal thermal insulation system structure and its construction method provided by the present application are described in detail above, and the principles and implementation modes of the present application are described by applying specific examples; the above example description is only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range will be changed, and the above description should not be understood as a limitation on the present application.

Claims

1. A composite mortar exterior wall interior insulation system structure, characterized in that: It includes an exterior wall matrix (1). An interface mortar layer (2) is smeared on the inner wall of the exterior wall matrix (1). On the outer side of the interface mortar layer (2), a plurality of heat insulation parts in separate areas are arranged through a material fixing structure. The material fixing structure includes a reinforcing frame (4) and a plurality of partition plates (3) distributed in an array. The reinforcing frame (4) includes a reinforcing plate (9) and a mesh plate (10). One side of the reinforcing plate (9) is bonded to the interface mortar layer (2), and a mesh plate (10) is arranged on the other side of the reinforcing plate (9). In each grid hole of the mesh plate (10) on the side wall of the other side of the reinforcing plate (9), a partition plate (3) is installed. The partition plate (3) has a "square" - shaped structure. The heat insulation part includes a first heat insulation mortar layer and a second heat insulation mortar layer (5). The first heat insulation mortar layer is filled in the partition plate (3), and a second heat insulation mortar layer (5) is smeared on the outer side of the reinforcing frame (4). The second heat insulation mortar layer (5) covers the periphery and the outer side of the partition plate (3). A decorative surface layer (6) is smeared on the outer side of the second heat insulation mortar layer (5). A mesh cloth layer (7) is arranged on the outer wall of each partition plate (3). The mesh cloth layer (7) is a fiberglass mesh cloth.

2. The structure of a composite mortar exterior wall insulation system according to claim 1, characterized in that: The left - right distance between adjacent partition plates (3) is 20 - 40 cm, and the up - down distance is 15 - 40 cm.

3. The structure of a composite mortar exterior wall insulation system according to claim 1, characterized in that: At the nodes of the mesh plate (10), two or more positioning pins (8) are arranged. One end of the positioning pin (8) is fixed to the inner wall of the exterior wall matrix (1).

4. The structure of a composite mortar exterior wall interior insulation system according to claim 1, characterized in that: The coating thickness of the first heat insulation mortar layer is 20 - 30 mm. The coating thickness parameters of the first heat insulation mortar layer and the second heat insulation mortar layer (5) are: the first heat insulation mortar layer < the second heat insulation mortar layer (5) ≤ 40 mm.

5. The structure of a composite mortar exterior wall insulation system according to claim 1, characterized in that: The decorative surface layer (6) is one of paint, facing bricks, and water putty.

6. A construction method for the structure of a composite mortar exterior wall internal heat insulation system as shown in claim 1, and the specific operation steps are as follows: S1: Clean the exterior wall matrix (1) and repair it to be flat so that there is no oil stain, dust, dirt, or loose material on the outer surface of the wall. S2: Snap control lines on the wall adjacent to the inner surface of the exterior wall matrix (1), and hang vertical reference steel wires at the large corners of the building's inner wall. S3: Before the interface mortar layer (2) sets, press the material fixing structure into the inner wall of the interface mortar layer (2) referring to the control lines and the reference steel wires, and level the coating layer. S4: After the interface mortar layer (2) condenses, position the reinforcing frame (4) on the exterior wall matrix (1) by using the positioning pins (8). S5: Smear the first heat insulation mortar layer on the inner wall of the partition plate (3) and then press in the mesh cloth layer (). S6: After the first heat insulation mortar layer condenses, smear the second heat insulation mortar layer (5) in the material fixing structure. S7: After the heat insulation part condenses, smear the decorative surface layer (6) for covering.

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