An assembled composite wall

Abstract

The present invention relates to the field of building engineering technology, and discloses an assembled composite wall, including a plurality of composite wall units spliced ​​together, any composite wall unit including an interior surface layer; a load-bearing member including a structural frame and a supporting member, the supporting member having at least one concave portion and a convex portion; at least one thermal insulation layer is filled in the concave portion facing away from the interior surface layer; the exterior surface layer is arranged on the opposite side of the interior surface layer facing the thermal insulation layer; the distance between the outer surface of the interior surface layer and the outer surface of the exterior surface layer is the total thickness of the composite wall, and the total thickness is 150mm-200mm. By providing an installation cavity in the structural frame, and filling the thermal insulation layer in the concave portion of the supporting member in the installation cavity, the thickness of the composite wall is reduced while ensuring the thermal insulation and energy-saving performance of the wallboard, which is 50% less than the existing composite wall thickness, and the occupied space of the wall is reduced; at the same time, the bonding between the thermal insulation layer and the supporting structure can be made stronger.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering, in particular to an assembled composite wall. Background Art

[0002] Prefabricated decoration is a new form of decoration construction in recent years. As the name suggests, prefabricated decoration is to produce all the parts and components needed for decoration in the factory, and then transport them to the decoration site for assembly and installation, eliminating the traditional decoration site's measurement, cutting and other operations, making the construction simpler and more convenient, greatly improving the construction efficiency of the decoration site, and making the construction site cleaner and more beautiful, without generating too much decoration material waste, which is a more green and environmentally friendly form of decoration construction.

[0003] Composite wall is a new generation of high-performance building partitions produced industrially, which is composed of a variety of building materials. Prefabricated composite wall replaces traditional bricks and tiles, which can greatly improve construction efficiency.

[0004] Building energy conservation is a mandatory standard in my country's construction field. With the continuous improvement of my country's building energy conservation standards, prefabricated thermal insulation composite wall panels have become a trend. The composite walls of traditional prefabricated concrete structures are generally steel concrete wall panels, which are relatively heavy and inconvenient to construct, making them difficult to promote. On the other hand, the thermal insulation performance is poor, and most of them use later external insulation panels and secondary wall treatment processes, which are time-consuming and labor-intensive, and to a certain extent increase the project cost. In addition, the external insulation panels are prone to falling off, increasing maintenance costs.

[0005] The existing prefabricated composite wall with insulation directly fixes the insulation board between the concrete board and the decorative board by screws or adhesives, or installs the insulation board on the rib of the corrugated steel plate by screws and other fasteners, so that the overall thickness of the wall panel is about 300-400mm, which is thick and has a high production cost. During construction, the thicker wall occupies a large space, making the originally compact indoor area smaller, and the corresponding construction cost increases, the project cost is high, and it is not easy to promote. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the technical problems in the prior art that the prefabricated composite wall is thick, occupies a large space, has a high engineering cost, and is not easy to promote, thereby providing a prefabricated composite wall with a thinner thickness, light weight, small footprint, heat preservation and energy saving.

[0007] To this end, the present invention provides an assembled composite wall, comprising a plurality of composite wall units spliced ​​together, wherein any composite wall unit comprises:

[0008] Interior surface layer;

[0009] A load-bearing member, comprising a structural frame having an installation cavity and a supporting member filled in the structural frame, wherein the supporting member has at least one concave portion sunken toward the interior surface layer and at least one convex portion convexed away from the interior surface layer;

[0010] At least one thermal insulation layer is filled in the recessed portion facing away from the interior trim surface layer;

[0011] An outer facing layer, facing the thermal insulation layer and arranged on the opposite side of the inner facing layer;

[0012] The distance between the outer surface of the interior surface layer facing away from the exterior finishing layer and the outer surface of the exterior finishing layer facing away from the interior surface layer is the total thickness of the composite wall, and the total thickness is 150 mm-200 mm.

[0013] Optionally, in the fabricated composite wall, the thermal insulation layer partially extends toward the exterior facing layer to the outside of the installation cavity to form an extension portion, and the extension portion is suitable for tightly fitting with the exterior facing layer;

[0014] The side surface of the force-bearing component facing the outer finishing layer, the side wall of the extension portion and the inner surface of the outer finishing layer together enclose a first filling space, and the first filling space is filled with a cold and hot bridge blocking layer.

[0015] Optionally, in the prefabricated composite wall, the thermal insulation layer includes at least two, a gap is formed between the at least two thermal insulation layers, the gap and the inner surface of the exterior finishing layer and the convex surface of the convex portion facing the exterior finishing layer together enclose a second filling gap, and the second filling gap is also filled with a cold and hot bridge blocking layer.

[0016] Optionally, in the prefabricated composite wall, the exterior facing layer is a calcium silicate board, and the corresponding hot and cold bridge blocking layer is a rubber pad.

[0017] Optionally, in the prefabricated composite wall, the exterior finishing layer is a thermal insulation mortar coated and covered on the outer surface of the thermal insulation layer, and the corresponding thermal bridge blocking layer is a thermal insulation mortar.

[0018] Optionally, the prefabricated composite wall further includes a waterproof material layer, and the waterproof material layer is tightly attached between the outer finishing layer and the thermal insulation layer.

[0019] Optionally, in the fabricated composite wall, the supporting member is suitable for closely fitting with the interior surface layer.

[0020] Optionally, in the fabricated composite wall, the protrusion is arranged in a constricted shape in a direction from the exterior finishing layer toward the interior finishing layer.

[0021] Optionally, in the fabricated composite wall, the junction between one side edge of any of the protrusions and the bottom edge of an adjacent recess and the junction between the other side edge and the bottom edge of an adjacent recess are tightly fitted so that the protrusion is in a closed shape.

[0022] Optionally, the fabricated composite wall further includes a decorative coating applied to the outer surface of the interior finishing layer and / or the outer finishing layer respectively.

[0023] The technical solution of the present invention has the following advantages:

[0024] 1. The assembled composite wall of the present invention comprises a plurality of composite wall units spliced ​​together, and any composite wall unit comprises:

[0025] Interior surface layer;

[0026] A load-bearing member, comprising a structural frame having an installation cavity and a supporting member filled in the structural frame, wherein the supporting member has at least one concave portion sunken toward the interior surface layer and at least one convex portion convexed away from the interior surface layer;

[0027] At least one thermal insulation layer is filled in the recessed portion facing away from the interior trim surface layer;

[0028] An outer facing layer, facing the thermal insulation layer and arranged on the opposite side of the inner facing layer;

[0029] The distance between the outer surface of the interior surface layer facing away from the exterior finishing layer and the outer surface of the exterior finishing layer facing away from the interior surface layer is the total thickness of the composite wall, and the total thickness is 150 mm-200 mm.

[0030] The assembled composite wall of the above structure, by opening an installation cavity in the structural frame and filling the insulation layer in the recessed part of the supporting member in the installation cavity, reduces the thickness of the composite wall while ensuring the thermal insulation and energy-saving performance of the wall panel. The thickness is reduced by 50% compared with the existing composite wall, thereby reducing the space occupied by the wall; at the same time, the connection between the insulation layer and the supporting structure can be made stronger, and the integrity of the wall panel can be strengthened.

[0031] 2. In the assembled composite wall of the present invention, the thermal insulation layer partially extends toward the exterior facing layer to the outside of the installation cavity to form an extension portion, and the extension portion is suitable for closely fitting with the exterior facing layer;

[0032] The side of the load-bearing member facing the outer facing layer, the side wall of the extension and the inner surface of the outer facing layer together enclose a first filling space, and a cold-hot bridge blocking layer is filled in the first filling space. The cold-hot bridge blocking layer is arranged outside the structural frame to effectively prevent the cold-hot bridge effect of the wall.

[0033] 3. In the assembled composite wall of the present invention, the outer facing layer is a calcium silicate board, and the corresponding cold and hot bridge blocking layer is a rubber pad. The calcium silicate board is used as an outer decorative surface and has a waterproof effect, and is suitable for cold northern regions.

[0034] 4. In the assembled composite wall of the present invention, the outer finishing layer is the thermal insulation mortar coated on the outer surface of the thermal insulation layer, and the corresponding thermal bridge blocking layer is the thermal insulation mortar. The thermal insulation mortar made of low thermal conductivity material is directly coated on the outer surface of the thermal insulation layer, which improves the thermal insulation performance and can block the thermal bridge effect. At the same time, the construction is convenient and the overall thickness of the wall can be effectively reduced. It is suitable for the southern region with hot summers and warm winters.

[0035] 5. In the assembled composite wall of the present invention, the support member is suitable for being closely attached to the interior surface layer. The interior surface layer and the support member are closely attached to each other, so that the interior surface layer and the support member work together to improve the single-point hanging force of the interior surface layer, ensuring the single-point hanging force required for indoor decoration. At the same time, the wall thickness can be further effectively reduced.

[0036] 5. In the assembled composite wall of the present invention, the junction of one side edge of any of the convex parts with the bottom edge of the adjacent concave part and the junction of the other side edge with the bottom edge of the adjacent concave part are closely fitted to make the convex part into a closed shape. The closed shape can improve the structural strength of the supporting member, thereby improving the overall load-bearing capacity of the load-bearing member. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 It is a structural schematic diagram of the assembled composite wall in Example 1 of the present invention;

[0039] Figure 2 It is a structural schematic diagram of the assembled composite wall in Example 2 of the present invention;

[0040] Figure 3 Schematic diagram of the structure of the support structure in Example 1 and Example 2 of the present invention.

[0041] Description of reference numerals:

[0042] 1-Interior surface layer;

[0043] 2-support member; 21-concave part; 22-convex part;

[0044] 3- Insulation layer;

[0045] 4-Exterior finishing layer;

[0046] 5-Cold and hot bridge blocking layer. DETAILED DESCRIPTION

[0047] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Example 1

[0049] See also Figure 1 and Figure 3 The present embodiment provides an assembled composite wall, including an interior surface layer 1, a structural frame (not shown), a supporting member 2, an insulation layer 3, an exterior surface layer 4, a cold and hot bridge blocking layer 5, a waterproof material layer (not shown) and a decorative coating (not shown). The structural frame has an installation cavity, that is, it is formed into a frame-like structure, which is distributed around the composite wall. The supporting member 2 is installed in the installation cavity of the structural frame and is fixedly connected to the inner wall of the structural frame, such as by welding or by fasteners such as screws and rivets. The structural frame and the supporting member 2 together constitute a load-bearing member. The supporting member 2 is not a flat plate, such as Figure 3 As shown, a plurality of staggered recesses 21 and protrusions 22 are formed on the surface, and a protrusion 22 is formed between two adjacent recesses 21. The depth of the recess 21 and the height of the protrusion of the protrusion 22 shall not exceed the outside of the installation cavity of the structural frame, that is, the recess or the bottom of the recess 21 is preferably flush with the surface of the structural frame, or it may be completely located in the installation cavity. The convex surface of the protrusion 22 is preferably flush with the surface of the structural frame, or it may be completely located in the installation cavity. In other words, the protrusion 22 and the recess 21 of the supporting member are both located in the installation cavity and do not extend outside the installation cavity. The thermal insulation layer 3 is filled in the recess 21 and can be fixedly connected by fasteners or fixed by bonding with adhesives. The interior decoration layer 1 and the exterior decoration layer 4 are relatively spaced apart and arranged on both sides of the fixed frame, that is, as shown Figure 1The upper and lower sides shown. The waterproof material layer is tightly arranged between the insulation layer 3 and the exterior finishing layer 4 to prevent water from penetrating into the insulation layer 3 and the inner wall. The hot and cold bridge blocking layer is arranged between the exterior finishing layer 4 and the structural frame and between the exterior finishing layer 4 and the supporting member 2, specifically in the first filling interval between the structural frame and the exterior finishing layer and in the second filling interval between the protrusion 22 of the supporting member 2 and the exterior finishing layer 4, that is, the hot and cold bridge blocking layer is arranged on the outside of the structural frame. The outer surfaces of the interior decoration layer 1 and the exterior decoration layer 4 are respectively coated with decorative coatings, such as latex paint or real stone paint. Specifically, the decorative coating of the interior decoration layer 1 adopts latex paint, and the decorative coating of the exterior decoration layer 4 adopts real stone paint. The outer surface of the interior decoration layer 1 is also as shown Figure 1 The lower surface shown and the outer surface of the outer facing layer 4 are also as shown in Figure 1 The spacing between the upper surfaces shown is the total thickness of the composite wall. Specifically, the total thickness of the composite wall is 150 mm-200 mm.

[0050] For the interior surface layer 1, a conventional gypsum board on the existing market can be selected, and the supporting member 2 is specifically as follows Figure 1 The lower surface of the support member 2 shown is closely fitted, and the single-point hanging force required for interior decoration is ensured by direct pasting and installation. As an alternative, a gap can also be reserved between the lower surface of the support member 2 and the gypsum board, that is, the gypsum board is hung on the lower surface of the support member 2 by conventional screws or the like. The specific size of this gap is not described in detail, as long as the total thickness of the composite wall is ensured to be 150-200 mm.

[0051] The supporting member 2 is a corrugated steel plate having a plurality of convex portions 22 and concave portions 21, wherein the convex portion 22 includes a facing layer 4 at both ends. Figure 3 The end ribs protruding upward and the middle ribs protruding toward the outer facing layer 4, the concave portion is located in the middle and toward the interior facing layer, that is, Figure 1 Preferably, as shown in FIG. Figure 3 As shown, the middle of the support member 2 is formed with three portions facing the interior surface layer 1, that is, Figure 1 The downwardly concave concave portion 21 and the two outward facing facing layers 4 are also shown as Figure 1 The convex parts 22 protrude upwards as shown, a concave part 21 is formed between two adjacent convex parts 22 or a convex part 22 is formed between two adjacent concave parts 21, and each concave part 21 is filled with a heat-insulating layer 3. In other words, the convex parts 22 and the concave parts 21 are arranged alternately. Optionally, the concave surface of the concave part 21 is also as shown in FIG. Figure 1The lower surface of the recess 21 shown is flush with the lower cavity opening of the installation cavity or the lower side surface of the structural frame, or the convex bottom of the convex part 22 is flush with the lower cavity opening of the installation cavity or the lower side surface of the structural frame, so that the interior surface layer 1 and the supporting member 2 can fit tightly, which can effectively reduce the total thickness of the wall, while improving the structural strength of the composite wall and the single-point hanging force of the interior surface layer during interior decoration. The recess of the recess 21 is flush with the convex surface of the convex part 22, that is, the top surface of the convex part 22, and is flush with the upper cavity opening of the installation cavity or the upper side surface of the structural frame. As an alternative, the recess of the recess 21 and the convex surface of the convex part 22 are not flush with the upper side surface of the installation cavity, that is, the recess of the recess and the convex surface of the convex part are both located below the upper cavity opening of the installation cavity, and the recessed surface of the recess and the convex bottom of the convex part 22 are flush with the lower cavity opening of the installation cavity. Alternatively, the concave opening of the concave portion 21 and the convex surface of the convex portion 22 may be flush with the upper cavity opening of the installation cavity, while the concave surface of the concave portion and the convex bottom of the convex portion 22 may not be flush with the lower cavity opening of the installation cavity. In this embodiment, preferably, the concave opening of the concave portion 21 and the convex surface of the convex portion 22 are flush with the upper cavity opening of the installation cavity, and the concave surface of the concave portion and the convex bottom of the convex portion 22 are flush with the lower cavity opening of the installation cavity.

[0052] For the convex portion 22, in the direction from the outer facing layer 4 to the inner facing layer 1, Figure 1 Preferably, the cross section of the protrusion 22 is a closed triangle. Figure 3 As shown, the left side of any convex portion 22 and the bottom side of the concave portion 21 on its left side are closely fitted together, and the right side of the convex portion 22 and the bottom side of the concave portion 21 on its right side are closely fitted together, so that the convex portion forms a closed structure. The closed structure can improve the overall structural strength of the support member 2 and improve the load-bearing capacity of the load-bearing member. Optionally, the cross-section of the convex portion 22 can also be in other shapes, such as arc, square, etc.

[0053] The insulation layer 3 is a conventional ALC board (short for Autoclaved Lightweight Concrete) on the market, and its thickness is preferably slightly greater than the concave portion 21, that is, the insulation layer 3 partially extends out of the concave portion 21. Specifically, as Figure 1As shown, the thermal insulation layer 3 extends to the outside of the recess of the recess 21 to form an extension, and the extension is tightly fitted with the exterior finishing layer 4. That is, the total thickness of the composite wallboard is actually the sum of the thickness of the interior finishing layer 1 + the supporting member 2 + the ALC board + the exterior finishing layer 4, which increases the integrity of the wallboard while effectively reducing the total thickness of the wallboard. It should be noted here that the thickness of the supporting member 2 refers to the thickness of the concave bottom of the recess 21 or the thickness of the convex surface of the convex portion 22, rather than the thickness from the concave bottom of the recess 21 to the convex surface of the convex portion 22. Since the convex surface of the convex portion 22 and the recess of the recess 21 are in the same horizontal plane, a gap is formed between the convex surface of the convex portion 22 and the upper side of the structural frame and the exterior finishing layer 4, and a cold and hot bridge blocking layer is filled in the gap to prevent the cold and hot bridge effect, that is, the cold and hot bridge blocking layer is located on the outside of the structural frame. Optionally, the thickness of the cold and hot bridge blocking layer is consistent with the thickness of the extension part, that is, the cold and hot bridge blocking layer is tightly fitted with the outer finishing layer 4, which improves the bonding strength while reducing the overall thickness of the partition. Specifically, the outer finishing layer 4 is a thermal insulation mortar applied to cover the outer surface of the ALC board. Since the thermal insulation layer 3 extends outside the structural frame, when the thermal insulation mortar is applied, part of the thermal insulation mortar will be filled in the gap formed between the structural frame, the convex surface of the convex part 22 and the outer finishing layer 4 to form a cold and hot bridge blocking layer, which effectively prevents the cold and hot bridge effect in the gap between the outer finishing layer 4 and the structural frame and between the outer finishing layer 4 and the supporting member 2.

[0054] It should be noted that the multiple insulation layers 3 of this embodiment are arranged at intervals, and each insulation layer 3 is filled in a recess 21 of the supporting member 2. That is to say, there is no connection between two adjacent insulation layers 3, which facilitates the installation of the insulation layers 3 and avoids the problem of laborious installation of large panels.

[0055] In order to ensure the waterproof performance of the composite wall, a layer of waterproof material is added to the outer surface of the insulation layer 3, which can be a conventional waterproof interface agent in the existing market, and will not be described or limited in detail. A waterproof interface agent is provided between the insulation layer 3 and the exterior finishing layer 4 to improve the waterproof performance of the composite wall and prevent water from penetrating into the insulation layer 3 to damage the insulation layer 3 or penetrating into the inner wall to affect the use of the entire wall. At this time, the total thickness of the wallboard is the sum of the thickness of the interior surface layer 1 + supporting member 2 + ALC board + waterproof interface agent + exterior finishing layer 4. Similarly, the thickness of the supporting member 2 here refers to the thickness of the concave bottom of the recess 21 or the thickness of the convex surface of the convex portion 22, rather than the thickness from the concave bottom of the recess 21 to the convex surface of the convex portion 22.

[0056] It should be noted that the composite wall of this embodiment is used in areas with hot summers and warm winters. The existing building walls in areas with hot summers and warm winters generally do not have a thermal insulation layer. Most of them use single concrete or ordinary block materials with poor thermal insulation performance. The building energy consumption generated by wall heat transfer accounts for a large proportion of the total building energy consumption, and cannot meet the relevant energy-saving indicators and regulations. In this embodiment, the thermal insulation performance of the wall panel is improved by filling the ALC board in the recess of the support member 2, which can meet the thermal insulation requirements of the exterior walls of buildings in areas with hot summers and warm winters, and the thermal performance of the wall reaches the relevant energy-saving indicators. The ALC board, the support member 2 and the structural frame form a load-bearing member together to improve the integrity of the wall. The interior surface layer 1 acts with the support member 2 to improve the single-point hanging force of the inner wall. In addition, the ALC board is filled in the recess 21 of the support member 2, and the support member 2 is located in the installation cavity of the structural frame, which can greatly reduce the thickness of the wall panel, ensure energy saving and structural integrity, reduce the space occupied by the wall panel, and lower the cost. The cost of the composite wall panel is about 250 yuan / m 2 The cold and hot bridge blocking layer filled in the second filling interval between the convex surface of the convex part 22 and the outer finishing layer 4 and the first filling interval between the structural frame and the outer finishing layer 4 is specifically a thermal insulation mortar which is a low thermal conductivity material and can effectively block the sound bridge and the cold and hot bridge.

[0057] Example 2

[0058] See also Figure 2 and Figure 3 , which is different from Example 1, the composite wall panel of this embodiment is used in cold areas, which are mainly in northern my country, and the climate is mainly temperate monsoon climate and temperate continental climate. The winter is cold and dry, and the time span is long. Correspondingly, the exterior facing layer 4 is a calcium silicate board hung on the outside of the thermal insulation layer 3. The calcium silicate board is used as an exterior decorative material and also has a waterproof effect. The thermal insulation layer 3 filled in the recess 21 of the supporting member 2 is rock wool. As a thermal insulation layer, rock wool has good thermal insulation performance and excellent fireproof performance. Optionally, the thickness of the rock wool is 100mm, and correspondingly, the depth of the recess 21 is less than 100mm, that is, the thickness of the installation cavity is less than 100mm. No detailed description or limitation is made. For example, the total thickness of the composite wall, that is, the total thickness of the interior facing layer 1+supporting member 2+rock wool+waterproof breathable membrane+exterior facing layer 4 is 150mm. Similarly, the thickness of the support member 2 here refers to the thickness of the concave bottom of the concave portion 21 or the thickness of the convex surface of the convex portion 22 , rather than the thickness from the concave bottom of the concave portion 21 to the convex surface of the convex portion 22 .

[0059] At the same time, the northern region is warm and rainy in summer, and the rain and heat occur at the same time, so the dehumidification requirements are relatively high. Correspondingly, the waterproof material layer between the thermal insulation layer 3 and the exterior facing layer 4 is a waterproof breathable film. While ensuring the waterproof performance, the air permeability and dehumidification performance of the wallboard is improved.

[0060] In addition, the cold and hot bridge blocking layer filled in the first filling interval between the structural frame and the exterior facing layer 4 and in the second filling interval between the convex surface of the convex portion 22 and the exterior facing layer 4 is a rubber pad. In addition, the remaining components are the same as the composite wallboard in Example 1.

[0061] In the composite wall panel of this embodiment, the support member 2 is filled in the installation cavity of the structural frame, so that the support member 2 and the structural frame together form a load-bearing member, thereby enhancing the integrity of the wall panel. The support member 2 works together with the interior surface layer 1, such as a gypsum board, to ensure the single-point hanging force required for interior decoration. While rock wool ensures the thermal insulation performance of the wall, it also improves the fire resistance of the wall. The waterproof and breathable membrane ensures the waterproof performance of the exterior wall while also ensuring the air permeability and moisture removal performance of the exterior wall, meeting the requirements for building walls in cold and hot areas.

[0062] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An assembled composite wall, characterized in that: It includes multiple composite wall units spliced ​​together, and any composite wall unit includes: Interior surface layer; A load-bearing member, comprising a structural frame having an installation cavity and a supporting member filled in the structural frame, wherein the supporting member has at least one concave portion sunken toward the interior surface layer and at least one convex portion convex away from the interior surface layer, and the supporting member is a corrugated steel plate; At least one thermal insulation layer is filled in the recessed portion facing away from the interior trim surface layer; An outer facing layer, facing the thermal insulation layer and arranged on the opposite side of the inner facing layer; The distance between the outer surface of the interior surface layer facing away from the exterior surface layer and the outer surface of the exterior surface layer facing away from the interior surface layer is the total thickness of the composite wall, and the total thickness is 150 mm-200 mm; The insulation layer part extends toward the outer facing layer to the outside of the installation cavity to form an extension part, and the extension part is suitable for being closely fitted with the outer facing layer; The side surface of the structural frame facing the outer facing layer, the side wall of the extension portion and the inner surface of the outer facing layer together enclose a first filling space, and the first filling space is filled with a cold and hot bridge blocking layer; The thermal insulation layer includes at least two, and a gap is formed between the at least two thermal insulation layers. The gap, the inner surface of the outer finishing layer and the convex surface of the convex portion facing the outer finishing layer together enclose a second filling gap, and the second filling gap is also filled with a cold and hot bridge blocking layer.

2. The assembled composite wall according to claim 1, characterized in that: The outer facing layer is a calcium silicate board, and the corresponding hot and cold bridge blocking layer is a rubber pad.

3. The assembled composite wall according to claim 1, characterized in that: The exterior finishing layer is a thermal insulation mortar coated and covered on the outer surface of the thermal insulation layer, and the corresponding thermal bridge blocking layer is a thermal insulation mortar.

4. The assembled composite wall according to any one of claims 1 to 3, characterized in that: It also includes a waterproof material layer, which is tightly attached between the outer facing layer and the thermal insulation layer.

5. The assembled composite wall according to claim 4, characterized in that: The supporting member is suitable for closely fitting with the interior trim surface layer.

6. The assembled composite wall according to claim 5, characterized in that: The convex portion is arranged in a constricted shape in a direction from the outer finishing layer toward the inner finishing layer.

7. The assembled composite wall according to claim 6, characterized in that: The junction between one side edge of any of the convex portions and the bottom edge of the adjacent concave portion and the junction between the other side edge and the bottom edge of the adjacent concave portion are tightly fitted so that the convex portion is in a closed shape.

8. An assembled composite wall according to any one of claims 5 to 7, characterized in that: It also includes a decorative coating applied to the outer surface of the interior finishing layer and / or the outer finishing layer respectively.

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