Ultra-low energy consumption building envelope wall for high-rise building and construction method
By adopting a combined structure of tied insulation layer, heat shield layer and passive window in high-rise buildings, the risk of external insulation layer detachment and durability issues have been solved, achieving a highly efficient ultra-low energy consumption insulation effect, reducing the heat transfer coefficient and improving the building's safety and maintenance convenience.
Patent Information
- Application Number
- CN202310735073.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2043-06-20
AI Technical Summary
Existing passive ultra-low energy consumption walls pose risks of external insulation layer detachment and safety issues in high-rise buildings, and the durability and maintenance challenges brought about by the thickening of the external insulation layer have not been effectively resolved.
The system employs a combination structure of tied insulation layer, heat shield layer and passive window, using autoclaved aerated concrete panels as the exterior and interior walls, combined with aluminum foil composite fiber layer and nano silica composite fiber layer to form a highly efficient insulation system, and ensures the connection and sealing of each layer through specific construction methods.
It achieves a 25% reduction in heat transfer coefficient without increasing building thickness, eliminates the risk of external insulation layer detachment, and makes the walls easy to maintain, achieving ultra-low energy consumption insulation while possessing high safety and durability.
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Figure CN116971505B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of wall energy saving, in particular to a super-low-energy-consumption building envelope wall for high-rise buildings and a construction method. BACKGROUND
[0002] The existing passive super-low-energy-consumption wall system has hidden dangers when applied to high-rise buildings, for example, the fireproof property of the polyphenyl board as the main heat preservation material in external thermal insulation and the safety of rock wool external thermal insulation, so that the thick external thermal insulation layer required by super-low-energy-consumption becomes a technical difficulty for the safety and durability of the passive super-low-energy-consumption envelope wall in high-rise buildings, especially with the substantial increase of building energy-saving requirements in China, the falling risk caused by the great thickening of the external thermal insulation layer is an urgent problem to be solved for the further popularization and application of passive super-low-energy-consumption buildings in high-rise buildings, and wall decoration maintenance is also one of the pain points of high-rise buildings. SUMMARY
[0003] The application provides a super-low-energy-consumption building envelope wall for high-rise buildings and a construction method, so as to solve the defect of the falling risk caused by the great thickening of the external thermal insulation layer in the existing super-low-energy-consumption technology, realize super-low-energy-consumption wall heat preservation, have no external thermal insulation falling hidden danger, and easily maintain the wall decoration.
[0004] The application provides a super-low-energy-consumption building wall for high-rise buildings, which comprises an outer wall, an inner wall, a passive window, a heat shielding layer and a binding thermal insulation layer, the binding thermal insulation layer, the heat shielding layer and the passive window are arranged between the outer wall and the inner wall, and the outer wall and the inner wall are both autoclaved aerated concrete boards.
[0005] According to the super-low-energy-consumption building wall for high-rise buildings, the passive window is located inside the binding thermal insulation layer, and the inner side of the passive window is flush with the inner side of the binding thermal insulation layer.
[0006] According to the super-low-energy-consumption building wall for high-rise buildings, the outer wall has a first hole, the inner wall is provided with a second hole, a protection area and a hole area are formed between the outer wall and the inner wall, the passive window is arranged in the hole area and the upper end and the two side portions of the passive window extend to the protection area, and the extension depth of the passive window is 20-30 mm.
[0007] According to the super-low-energy-consumption building wall for high-rise buildings, the outer wall has a first hole, the inner wall is provided with a second hole, a protection area and a hole area are formed between the outer wall and the inner wall, the passive window is arranged in the hole area and the upper end and the two side portions of the passive window extend to the protection area, and the extension depth of the passive window is 20-30 mm.
[0008] The application provides a kind of super low energy consumption building wall for high-rise building, the thermal shielding layer has thermal conductivity less than or equal to 0.05 W / m·K, and the thermal shielding layer is an aluminum foil composite fiber layer.
[0009] The application provides a kind of super low energy consumption building wall for high-rise building, the outer wall is prepared by coal gangue activated powder and sand as mixed siliceous material, the coal gangue activated powder accounts for 40%-50% of total siliceous material, and the adjusting agent accounts for 0.7%-1.5% of total amount; the coal gangue activated material is ball milled to 0.045-0.08mm after calcining at 850℃, and the adjusting agent is a high molecular resin mixture.
[0010] The application provides a kind of super low energy consumption building wall for high-rise building, the inner wall has a bulk density of 400kg / m 3 ~650kg / m 3 , and a compressive strength of not less than 3.0MPa; the outer wall has a bulk density of 480kg / m 3 ~650kg / m 3 , and a compressive strength of not less than 3.5MPa; the outer wall can resist freeze-thaw cycle for 50 times, the mass loss after freezing is not more than 1%, and the strength after freeze-thaw is not less than 3.5MPa.
[0011] The application provides a kind of super low energy consumption building wall for high-rise building, the binding thermal insulation layer includes rock wool and nano-silica composite fiber layer, and the rock wool is arranged on both sides of the nano-silica composite fiber layer; a cushion layer is arranged on the side of the binding thermal insulation layer close to the inner wall; and the binding thermal insulation layer has a thermal conductivity of not more than 0.03 W / m·K.
[0012] The application further provides a construction method, which comprises the following steps:
[0013] Step one: installing support beam columns on a main structure, and connecting passive windows to the support beam columns;
[0014] Step two: externally hanging the outer wall on the main structure, and sequentially embedding the thermal shielding layer, the binding thermal insulation layer and the inner wall in the main structure.
[0015] The application provides a kind of super low energy consumption building wall for high-rise building,
[0016] In step one, the inner wall interface around the support beam columns is treated;
[0017] In step two, the heat shield layer is connected with the outer wall body by shooting nails, the heat shield layer is bonded with the binding thermal insulation layer by using polyurethane glue, the outer wall body and the inner wall body are staggered arranged; waterproof vapor barrier film and waterproof vapor permeable film are pasted around the passive window. The waterproof vapor permeable film completely covers the installation nodes and support beam columns of the passive window, and the ends thereof are pasted in the gaps between the support beam columns and the adjacent inner wall bodies;
[0018] The wall body is subjected to air tightness treatment;
[0019] The step of subjecting the wall body to air tightness treatment comprises that the outer wall body (100) is bonded by a plurality of strip plates, the gaps between the strip plates on the outer side of the outer wall body (100) are closed by sealing glue, and secondary sealing is performed by net plastering; the inner wall body (200) is bonded by a plurality of strip plates, the gaps between the strip plates on the indoor side of the inner wall body (200) are embedded and sealed by caulking agent, and after the inner wall body (200) is leveled, the gaps on the indoor side are sealed by using waterproof vapor barrier film.
[0020] Additional aspects and advantages of the present application will be made apparent from the following description.
[0021] The high-rise building ultra-low energy consumption building wall comprises an outer wall body, an inner wall body, a passive window, a heat shield layer and a binding thermal insulation layer, the binding thermal insulation layer, the heat shield layer and the passive window are arranged between the outer wall body and the inner wall body, the heat bridge effect is reduced, and the heat preservation effect is achieved; the outer wall body and the inner wall body are both autoclaved aerated concrete boards; on the premise of not arranging outer thermal insulation, the ultra-low energy consumption wall heat preservation is achieved, compared with an existing passive ultra-low energy consumption outer wall outer thermal insulation thin plastering system, the heat transfer coefficient is reduced by 25% on the premise of the same thickness, meanwhile, there is no risk of falling of the outer thermal insulation layer, and the wall body itself has a color, without color treatment of decoration, and is easy to maintain. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0023] Figure 1 is a structural schematic diagram of the high-rise building ultra-low energy consumption building wall provided by the embodiment of the present application;
[0024] Figure 2 is a structural schematic diagram of the binding thermal insulation layer of the high-rise building ultra-low energy consumption building wall provided by the embodiment of the present application;
[0025] Figure 3 This is another structural schematic diagram of the ultra-low energy consumption building wall for high-rise buildings provided in an embodiment of the present invention.
[0026] Figure label:
[0027] 100. Exterior wall; 110. First opening;
[0028] 200. Interior wall; 210. Second opening;
[0029] 300. Passive window; 310. Waterproof vapor barrier membrane; 320. Waterproof breathable membrane;
[0030] 400. Supporting beams and columns; 410. Thermal insulation pads; 420. Stainless steel connectors;
[0031] 500. Binding insulation layer; 510. Rock wool; 520. Nano-silica composite fiber layer; 530. Subbase layer;
[0032] 600. Heat shielding layer. Detailed Implementation
[0033] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.
[0034] This embodiment provides an ultra-low energy consumption building wall for high-rise buildings, such as... Figure 1 As shown, the structure includes an exterior wall 100, an interior wall 200, passive windows 300, supporting beams and columns 400, and a binding insulation layer 500. Both the binding insulation layer 500 and the passive windows 300 are located between the exterior wall 100 and the interior wall 200. The binding insulation layer 500 provides the primary insulation effect. The passive windows 300 are all located between the exterior wall 100 and the interior wall 200, and are flush with the outer surface of the supporting beams and columns, meaning the inner side of the passive window is flush with the inner side of the binding insulation layer. This reduces thermal bridging, prevents heat loss, and achieves good thermal insulation. Both the exterior wall 100 and the interior wall 200 are made of autoclaved aerated concrete (AAC) panels, which have advantages such as high strength, lightweight, thermal insulation, and cost-effectiveness. The interior wall 200 and the exterior wall 100 are staggered to effectively avoid continuous joints, prevent leakage, and improve the insulation effect.
[0035] The embodiment of the present application realizes ultra-low energy consumption insulation without setting external insulation, and compared with the existing passive ultra-low energy consumption external wall external insulation thin plastering system, the heat transfer coefficient is reduced by 25% under the premise of the same thickness, and there is no risk of external insulation layer falling off.
[0036] Preferably, the passive window 300 is located inside the binding insulation layer 500, further cutting off the heat bridge, achieving the insulation effect, and meeting the requirements of ultra-low energy consumption; the binding insulation layer 500 has a thermal conductivity of not more than 0.03 W / m·K to achieve the insulation effect, and is an A-grade fireproof material; the outer wall 100 has a first opening 110, and the inner wall 200 is provided with a second opening 210, and the outer wall 100 and the inner wall 200 form a protection zone and an opening zone, and the passive window 300 is arranged in the opening zone, and the inner side of the passive window is flush with the inner side of the binding insulation layer, and the passive window 300 extends to the protection zone, so that the heat loss can be avoided while the passive window 300 is fixed, the heat bridge of the passive window 300 itself and the connection between the window and the wall is effectively blocked, the heat bridge effect is further reduced, and the energy saving requirement of 92% or more can be met; specifically, the passive window 300 is located in the opening zone, and the upper side, left side and right side of the passive window 300 respectively extend into the corresponding protection zone by 20-30 cm, that is, the distance between the three edges of the passive window 300 and the first opening 110 is 20-30 mm.
[0037] Further, as shown in Figure 2 the binding insulation layer 500 includes rock wool 510 and a nano-silica composite fiber layer 520, the nano-silica composite fiber layer 520 is arranged in the middle layer, and the rock wool 510 is arranged on both sides of the nano-silica composite fiber layer 520 to improve the insulation effect; the thickness of the rock wool 510 and the nano-silica composite fiber layer 520 is set according to the requirement of thermal conductivity, and the embodiment of the present application does not limit the thickness of the rock wool 510 and the nano-silica composite fiber layer 520; a pad layer 530 is arranged on the side of the binding insulation layer 500 close to the inner wall 200, and the pad layer 530 is aluminum foil or polypropylene resin cloth to achieve the effect of isolating water vapor and reducing heat loss; in this embodiment, the pad layer 530 is polypropylene resin cloth; specifically, the binding insulation layer 500 is composed of multiple binding insulation blocks, and the multiple binding insulation blocks are laid on the indoor side of the heat shielding layer 600 to form the binding insulation layer 500; the binding insulation block is composed of a rock wool block and a nano-silica composite fiber block, the rock wool block is arranged on both sides of the nano-silica composite fiber block, and the binding area of the binding insulation block is smaller than the overall area of the binding insulation block, so that the binding insulation block has a fiber-shaped unbonded part around it, so as to form a better joint effect between the binding insulation blocks and strengthen the insulation performance.
[0038] Preferably, a heat shielding layer 600 is further included, which is arranged between the outer wall 100 and the inner wall 200, and has a thermal conductivity less than or equal to 0.05 W / m·K, so as to increase the heat preservation effect and realize high energy saving and consumption reduction; the heat shielding layer 600 is an aluminum foil composite fiber layer, which can enhance the heat preservation performance, isolate the heat transfer from the dimension of heat radiation, and thus achieve the effects of heat preservation and temperature stress reduction; specifically, the heat shielding layer 600 is a double-layer aluminum foil composite fiber micro-bubble layer, which further achieves the heat shielding effect due to the double-layer and micro-bubble structure; the heat shielding layer 600 and the binding heat preservation layer 500 are bonded by polyurethane adhesive, which has the advantages of single component, room temperature moisture curing, low volatile odor, etc.; the heat shielding layer 600 is connected to the outer wall 100 by nailing, so as to improve the connection firmness.
[0039] Preferably, the inner wall 200 is provided with a second opening 210 corresponding to the first opening 110, and the first opening 110 is smaller than the second opening 210; the support beam column 400 is arranged in the second opening 210, and is used for supporting the passive window 300 and connecting the inner wall 200, so that the passive window 300 is suspended in the binding heat preservation layer 500, and no connecting member is connected between the passive window 300 and the inner wall 200, thereby reducing the influence of the window on the wall. Figure 3 As shown, the heat insulation pad 410 is arranged between the support beam column 400 and the passive window 300 during installation, so as to further cut off the heat bridge; the embodiment further includes a stainless steel connecting member 420, the support beam column 400 is a square steel column, and the passive window 300 and the support beam column 400 are connected by the stainless steel connecting member 420; the stainless steel material can prevent rust and reduce heat conduction, thereby increasing the service life; generally, the stainless steel connecting member 420 is L-shaped, and the specific shape of the stainless steel connecting member 420 is not limited in the embodiment of the present application; the part of the inner wall 200 around the support beam column 400 needs to be treated at the interface, so as to avoid affecting the bonding strength.
[0040] The outer side of the inner wall body 200 is the side of the inner wall body 200 close to the outer wall body 100, and the inner side of the inner wall body 200 is the side of the inner wall body 200 away from the outer wall body 100; the inner wall body 200 has a wall body plate and an extension plate 220, and the extension plate 220 and the wall body plate form a mounting space for mounting the support beam column 400, which is conducive to fixing the support beam column 400; specifically, the outer facade of the support beam column 400 is flush with the outer side of the inner wall body 200, facilitating the connection of the support beam column 400 and the passive window 300, so that the passive window closely adheres to the support beam column, and the inner side of the passive window is flush with the inner side of the bound thermal insulation layer, while further cutting off the heat bridge and enhancing the thermal insulation effect; the outer facade refers to the interface directly contacted by an object and the external space of the object, as well as the image and the constituting mode thereof; the outer facade of the support beam column 400 refers to the vertical face of the support beam column 400 close to the outer wall body 100.
[0041] The embodiment also includes a waterproof vapor barrier film 310 and a waterproof vapor permeable film 320; the waterproof vapor barrier film 310 is pasted around the passive window 300, and the waterproof vapor barrier film 310 extends out of the passive window 300 in the direction of the room to cover the gap between the extension plate 220 and the wall body plate, thereby improving the waterproof and vapor barrier performance of the passive window and the adjacent wall body to ensure the overall vapor barrier effect of the window, the support beam column 400 and the inner wall body 200; the waterproof vapor permeable film 320 completely wraps around the passive window 300 from the side of the passive window 300 close to the outdoor, and wraps the connecting member and the support beam column 400; specifically, the waterproof vapor permeable film 320 is arranged on the outer surface of the passive window 300, and the film material end is pasted in the gap between the support beam column 400 and the inner wall body 200, thereby achieving the overall waterproof effect of the passive window.
[0042] Preferably, the outer wall body 100 is prepared from coal gangue activated powder and sand as mixed siliceous materials; the coal gangue activated powder accounts for 40%-50% of the total siliceous materials, and the adjusting agent accounts for 0.7%-1.5% of the total amount of materials, so that the outer wall body 100 is light pink, which plays a role in modifying the wall surface, and the formed light pink wall surface has no risk of fading and falling off, and does not need later maintenance work of the outer wall decoration; meanwhile, the durability of the outer wall body 100 is improved; the coal gangue activated material is coal gangue calcined at 850°C and then ball milled to 0.045-0.08mm, so as to be mixed with other dry materials and improve the reaction activity; in addition, the coal gangue is a solid waste discharged in the coal mining and coal washing processes, which is easy to obtain, and meanwhile, the use of the coal gangue can utilize the solid waste and achieve the effect of reducing waste discharge; the adjusting agent is a high molecular resin mixture.
[0043] In order to ensure that the outer wall body 100 has sufficient wind load resistance and minimum volume weight, i.e., to reduce the weight of the wall body, the volume weight of the outer wall body 100 is preferably 480kg / m 3~650kg / m 3 The compressive strength is not less than 3.5 MPa; the outer wall 100 can withstand 50 freeze-thaw cycles with a mass loss of no more than 1% after freezing and a strength of not less than 3.5 MPa after freeze-thaw; the inner wall 200 has a density of 400 kg / m³. 3 ~650kg / m 3 The compressive strength is not less than 3.0 MPa, achieving the minimum weight and optimal durability of the wall.
[0044] This invention provides a construction method, comprising the following steps:
[0045] Step 1: Install the support beam 400 on the main structure and connect the passive window 300 to the support beam 400;
[0046] Step 2: Hang the outer wall 100 on the main structure, and then install the heat shield layer 600, the binding insulation layer 500 and the inner wall 200 into the main structure in sequence.
[0047] In this embodiment of the invention, the passive window 300 is positioned between the outer wall 100 and the inner wall 200. If the outer wall panel 100 is installed first, the passive window 300 cannot be installed. If the inner wall panel 200 is installed first, the installation of the outer wall panel 100 becomes difficult. In this embodiment of the invention, the passive window 300 is installed first, followed by the outer wall 100, the heat shield layer 600, the binding insulation layer 500, and the inner wall 200. Except for the installation of the outer wall 100, the installation of other structures can be carried out indoors, improving the safety and convenience of high-rise building construction.
[0048] Preferably, in step one, the interface of the inner wall 200 located around the supporting beam and column 400 is processed;
[0049] In step two, the heat shield layer 600 is connected to the outer wall 100 with nails, and the heat shield layer 600 is bonded to the binding insulation layer 500 with polyurethane adhesive. The outer wall 100 and the inner wall 200 are arranged in a staggered manner. A waterproof vapor barrier membrane 310 and a waterproof breathable membrane 320 are pasted around the passive window 300. The waterproof breathable membrane 320 completely covers the installation nodes and supporting beams and columns 400 of the passive window 300, and its end is pasted into the gap between the supporting beams and columns 400 and the inner wall 200.
[0050] The walls were treated to ensure airtightness.
[0051] The step of performing air tightness treatment on the wall body includes: the outer wall body (100) is bonded by a plurality of slats, the gaps between the slats are sealed on the outer side of the outer wall body (100) by sealant, and secondary sealing is performed by hanging net plastering; the inner wall body (200) is bonded by a plurality of slats, the gaps between the slats are caulked on the indoor side of the inner wall body (200) by caulking agent, and after the inner wall body (200) is leveled, the gaps on the indoor side are sealed by using a waterproof vapor barrier film, the indoor side of the whole inner wall body does not need to be further made into a mortar air tightness layer, and the air tightness requirement of the super low energy consumption building is achieved.
[0052] The embodiment of the present application provides a super low energy consumption building envelope wall body for high-rise buildings and a construction method, the passive window 300 is uniformly arranged in the binding thermal insulation layer 500 between the outer wall body 100 and the inner wall body 200, under the premise that there is no risk of external thermal insulation falling off, the super low energy consumption thermal insulation performance is achieved, compared with the existing passive super low energy consumption external wall external thermal insulation thin plastering system, under the premise of the same thickness, the heat transfer coefficient is reduced by 25%, there is no risk of external thermal insulation falling off, the energy saving requirement of 92% or more can be achieved, the embodiment of the present application adopts all inorganic materials, the wall body has the advantages of fire resistance A level and the same service life as the building, the super low energy consumption building wall body for high-rise buildings has no risk of plate joint leakage and cracking, and is especially suitable for high-rise passive super low energy consumption buildings, the outer wall body 100 of the embodiment is prepared from coal gangue activated powder and sand as mixed siliceous materials, has no surface discoloration, is easy to maintain, fully utilizes waste solid materials, and is convenient for popularization.
[0053] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An ultra-low energy consumption building wall for high-rise buildings, characterized by, The application relates to a passive window structure, which comprises an outer wall body (100), an inner wall body (200), a passive window (300), a heat shielding layer (600) and a binding thermal insulation layer (500), wherein the binding thermal insulation layer (500), the heat shielding layer (600) and the passive window (300) are arranged between the outer wall body (100) and the inner wall body (200), the outer wall body (100) and the inner wall body (200) are both autoclaved aerated concrete slabs, the passive window (300) is located inside the binding thermal insulation layer (500), and the inner side of the passive window (300) is flush with the inner side of the binding thermal insulation layer (500), the outer wall body (100) has a first hole (110), the inner wall body (200) is provided with a second hole (210), a protection area and a hole area are formed between the outer wall body (100) and the inner wall body (200), the passive window (300) is arranged in the hole area and partially extends into the protection area, the extension depth of the passive window (300) is 20-30 mm, the binding thermal insulation layer (500) comprises rock wool (510) and a nano-silicon dioxide composite fiber layer (520), the rock wool (510) is arranged on both sides of the nano-silicon dioxide composite fiber layer (520), a cushion layer (530) is arranged on the side of the binding thermal insulation layer (500) close to the inner wall body (200), the thermal conductivity of the binding thermal insulation layer (500) is not greater than 0.03 W / m*K, the thermal conductivity of the heat shielding layer (600) is less than or equal to 0.05 W / m*K, the heat shielding layer (600) is an aluminum foil composite fiber layer, the outer wall body (100) is prepared from coal gangue activated powder and sand as mixed siliceous materials, the coal gangue activated powder accounts for 40-50% of the total siliceous materials, and a regulator accounts for 0.7-1.5% of the total material amount, the coal gangue activated material is coal gangue calcined at 850 DEG C and then ball milled to 0.045-0.08 mm, and the regulator is a high polymer resin mixture, the bulk density of the inner wall body (200) is 400-650 kg / m3, and the compressive strength is not lower than 3.0 MPa, the bulk density of the outer wall body (100) is 480-650 kg / m3, and the compressive strength is not lower than 3.5 MPa, the outer wall body (100) can resist 50 freeze-thaw cycles, the mass loss after freezing is not greater than 1%, and the strength after freeze-thaw is not lower than 3.5 MPa, and the passive window structure further comprises a supporting beam column (400), the supporting beam column (400) is arranged in the second hole (210) and used for supporting the passive window (300) and connecting the inner wall body (200), the outer facade of the supporting beam column (400) is flush with the outer side of the inner wall body (200), and the passive window structure further comprises the following steps: installing the supporting beam column (400) on a main body structure and connecting the passive window (300) to the supporting beam column (400). The application relates to a passive window structure, which comprises an outer wall body (100), an inner wall body (200), a passive window (300), a heat shielding layer (600) and a binding thermal insulation layer (500), wherein the binding thermal insulation layer (500), the heat shielding layer (600) and the passive window (300) are arranged between the outer wall body (100) and the inner wall body (200), the outer wall body (100) and the inner wall body (200) are both autoclaved aerated concrete slabs, the passive window (300) is located inside the binding thermal insulation layer (500), and the inner side of the passive window (300) is flush with the inner side of the binding thermal insulation layer (500), the outer wall body (100) has a first hole (110), the inner wall body (200) is provided with a second hole (210), a protection area and a hole area are formed between the outer wall body (100) and the inner wall body (200), the passive window (300) is arranged in the hole area and partially extends into the protection area, the extension depth of the passive window (300) is 20-30 mm, the binding thermal insulation layer (500) comprises rock wool (510) and a nano-silicon dioxide composite fiber layer (520), the rock wool (510) is arranged on both sides of the nano-silicon dioxide composite fiber layer (520), a cushion layer (530) is arranged on the side of the binding thermal insulation layer (500) close to the inner wall body (200), the thermal conductivity of the binding thermal insulation layer (500) is not greater than 0.03 W / m*K, the thermal conductivity of the heat shielding layer (600) is less than or equal to 0.05 W / m*K, the heat shielding layer (600) is an aluminum foil composite fiber layer, the outer wall body (100) is prepared from coal gangue activated powder and sand as mixed siliceous materials, the coal gangue activated powder accounts for 40-50% of the total siliceous materials, and a regulator accounts for 0.7-1.5% of the total material amount, the coal gangue activated material is coal gangue calcined at 850 DEG C and then ball milled to 0.045-0.08 mm, and the regulator is a high polymer resin mixture, the bulk density of the inner wall body (200) is 400-650 kg / m3, and the compressive strength is not lower than 3.0 MPa, the bulk density of the outer wall body (100) is 480-650 kg / m3, and the compressive strength is not lower than 3.5 MPa, the outer wall body (100) can resist 50 freeze-thaw cycles, the mass loss after freezing is not greater than 1%, and the strength after freeze-thaw is not lower than 3.5 MPa, and the passive window structure further comprises a supporting beam column (400), the supporting beam column (400) is arranged in the second hole (210) and used for supporting the passive window (300) and connecting the inner wall body (200), the outer facade of the supporting beam column (400) is flush with the outer side of the inner wall body (200), and the passive window structure further comprises the following steps: installing the supporting beam column (400) on a main body structure and connecting the passive window (300) to the supporting beam column (400). 2. The super low energy consumption building wall for high-rise buildings according to claim 1, characterized in that, 3. The super low energy consumption building wall for high-rise buildings according to claim 1, characterized in that, 4. The super low energy consumption building wall for high-rise buildings according to claim 1, characterized in that, 5. A construction method applied to the super low-energy consumption building wall for high-rise buildings according to any one of claims 1 to 4, characterized in that, Step two: the outer wall (100) is hung on the main structure, and the heat shield layer (600), the binding thermal insulation layer (500) and the inner wall (200) are sequentially embedded in the main structure.
6. The construction method of claim 5, wherein, In step one, the interface of the inner wall (200) around the support beam column (400) is treated; In step two, the heat shield layer (600) is connected with the outer wall (100) by shooting nails, the heat shield layer (600) is bonded with the binding thermal insulation layer (500) by using polyurethane glue, the outer wall (100) and the inner wall (200) are staggered arranged; waterproof vapor barrier film (310) and waterproof vapor permeable film (320) are pasted around the passive window (300), the waterproof vapor permeable film (320) completely covers the installation node and the support beam column (400) of the passive window (300), and the end is pasted in the gap between the support beam column (400) and the inner wall (200); The wall is treated for air tightness; The step of treating the wall for air tightness includes: the outer wall (100) is bonded by a plurality of strips, the gap between the strips is closed on the outside by using sealing glue on the outside of the outer wall (100), and then net plastering is performed for secondary sealing; the inner wall (200) is bonded by a plurality of strips, the gap between the strips is embedded and sealed on the indoor side by using caulking agent on the indoor side of the inner wall (200), and after the inner wall (200) is leveled, the gap on the indoor side is sealed by using waterproof vapor barrier film.
Citation Information
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