CN216740271U - Building curtain wall heat-insulating bridge heat-insulating system - Google Patents
Building curtain wall heat-insulating bridge heat-insulating system Download PDFInfo
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- CN216740271U CN216740271U CN202220163720.XU CN202220163720U CN216740271U CN 216740271 U CN216740271 U CN 216740271U CN 202220163720 U CN202220163720 U CN 202220163720U CN 216740271 U CN216740271 U CN 216740271U
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Abstract
A heat bridge insulation system of a building curtain wall comprises a curtain wall vertical keel, a heat insulation filler strip, a one-way waterproof vapor-permeable membrane, a panel and a prefabricated heat bridge insulation composite batten from outside to inside in sequence; the gap between the prefabricated heat-insulating bridge-cutoff composite heat-insulating strip plate and the building main body is filled with joint filling materials; the prefabricated heat-insulating bridge composite heat-insulating strip plate is fixed with the building main body through a connecting piece. The construction method of the heat insulation system comprises the following steps: fixing heat insulation filler strips on the vertical keels of the curtain wall; laying a one-way waterproof vapor-permeable membrane; installing a panel; marking the installation position line of the heat preservation batten; laying a moisture-proof layer; mounting a connecting piece on the heat preservation batten; assembling the heat-insulating batten until a whole wall body is formed; caulking and filling; and laying a waterproof vapor-barrier film. Compared with the traditional building curtain wall heat insulation system, the utility model can effectively improve the heat insulation performance and further reduce the wall cost, and the dry construction can effectively reduce the site construction pollution and further improve the construction speed; the method is suitable for energy-saving reconstruction of various curtain wall facing systems and existing building curtain wall systems.
Description
Technical Field
The utility model belongs to the technical field of assembly type building engineering, and particularly relates to a heat insulation system of a heat-insulation bridge of a building curtain wall.
Background
A large number of civil buildings in cities, particularly public buildings, mostly adopt a curtain wall system to realize the effect of an outer vertical surface, however, the building curtain wall is a high-energy consumption system in a building envelope structure, and a large amount of heat loss is caused by a large number of connecting nodes of a curtain wall keel and a main structure. Along with the improvement of the building energy-saving standard of China, the requirements on the heat preservation and heat insulation performance of a building enclosure structure are also continuously improved, and particularly, the building standard with ultralow energy consumption and near zero energy consumption puts forward higher requirements on the heat preservation and heat insulation performance and the heat bridge cutoff performance of a curtain wall system.
The energy-saving method of the traditional curtain wall is realized by arranging a heat-insulating layer in an air interlayer between the curtain wall plate and the main body structure or arranging a heat-insulating plate inside the curtain wall plate, and the combination of the curtain wall plate and the heat-insulating plate can also be adopted. Although the traditional curtain wall energy-saving method plays a certain role in heat preservation, the release and implementation of national standards GB/T51350-2019 and general Specification GB 55015 + 2021 for building energy conservation and renewable energy utilization further improve the requirements on heat bridge breaking performance, low heat transfer performance and air tightness of the building outer wall, and the traditional curtain wall energy-saving method is difficult to realize the requirements on high performance, particularly low heat transfer performance and heat bridge breaking performance. The main reason is that the energy-saving method of the traditional curtain wall has thermal defects, usually needs to use very thick A-level heat-insulating plates, but is still difficult to block a heat bridge generated by a steel keel of the curtain wall, the heat bridge part weakens the overall heat transfer performance of the outer wall, and the problems of over-thickness of the wall body, reduction of the use area and the like are also often caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a heat-insulation bridge plate of a building curtain wall, which can effectively block the influence of moisture condensation on a steel keel of an outdoor curtain wall on a heat-insulation plate and indoor decoration through a one-way waterproof vapor-permeable membrane, can effectively improve the heat-insulation bridge performance and the low heat transfer performance through a prefabricated heat-insulation bridge plate, and is particularly suitable for severe cold and cold areas; compared with the traditional building curtain wall heat insulation system, the heat insulation performance can be effectively improved, the wall cost can be further reduced, and the construction is dry construction, so that the site construction pollution can be effectively reduced, and the construction speed is further improved; the utility model is suitable for various curtain wall facing systems and is suitable for energy-saving reconstruction of the existing building curtain wall system.
In order to achieve the purpose, the utility model adopts the following technical scheme: a thermal insulation system for a heat-insulated bridge of a building curtain wall comprises a curtain wall vertical keel, a one-way waterproof vapor-permeable membrane, a prefabricated heat-insulated bridge composite thermal insulation batten, a joint filling material, a binder and a connecting piece; the curtain wall vertical keels are fixedly connected to the building structure beam, and the curtain wall vertical keels are distributed in parallel; the one-way waterproof vapor-permeable membrane is arranged on the indoor side of the vertical keel of the curtain wall, the vapor-permeable direction of the one-way waterproof vapor-permeable membrane is from the indoor side to the outdoor side, and the one-way waterproof vapor-permeable membrane is bonded with the building structure beam/ring beam and the building structure column/constructional column to form a waterproof vapor-permeable layer; the prefabricated heat-bridge-cutoff composite heat-insulation batten is arranged on the indoor side of the one-way waterproof vapor-permeable membrane, the prefabricated heat-bridge-cutoff composite heat-insulation batten is tightly attached to the indoor side surface of the one-way waterproof vapor-permeable membrane, the top and the bottom of a light batten of the prefabricated heat-bridge-cutoff composite heat-insulation batten are fixedly connected with a building structure beam/ring beam or a building floor slab, and the side edge of the light batten of the prefabricated heat-bridge-cutoff composite heat-insulation batten is fixedly connected with a building structure column/constructional column or an adjacent light batten; the joint filling material is filled in the gaps between the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten and the building structure beam/ring beam, the building floor slab and the building structure column/constructional column; the adhesive is filled in gaps among the light laths of the prefabricated heat-insulating bridge-cutoff composite batten; the connecting pieces are arranged at the top, the bottom and the side edges of the light batten of the prefabricated heat-insulated bridge composite heat-insulated batten, and the prefabricated heat-insulated bridge composite heat-insulated batten is fixedly connected with a building structure beam/ring beam, a building floor slab and a building structure column/constructional column through the connecting pieces.
The indoor side surface of the curtain wall vertical keel is fixedly connected with a heat insulation filler strip, and the heat insulation filler strip is made of hard polyurethane, hard polystyrene, teflon, nylon or fiber reinforced composite materials.
Be provided with the panel between one-way waterproof ventilative membrane and the prefabricated disconnected heat bridge composite insulation slat, one-way waterproof ventilative membrane closely laminates with the panel, carries out fixed connection through self-tapping screw between panel and the curtain vertical keel.
The panel is made of fiber reinforced cement board, calcium silicate board or glass magnesium board.
The joint filling material adopts foamed polyurethane, polymer cement mortar, inorganic heat-insulating mortar, organic heat-insulating mortar or rock wool.
The connecting piece adopts a straight line type, a Chinese character 'wan' type, an L type, a U type, an S type or an F type connecting piece.
The indoor side of the prefabricated heat-insulated bridge composite heat-insulated slat is provided with a waterproof vapor-barrier film, the waterproof vapor-barrier film is tightly attached to the indoor side surface of the prefabricated heat-insulated bridge composite heat-insulated slat, and the waterproof vapor-barrier film is bonded with a building structure beam/ring beam, a building structure column/constructional column and a building floor slab to form a waterproof airtight layer.
And a moisture-proof layer is arranged between the bottom of the light batten of the prefabricated heat-insulating bridge composite heat-insulating batten and the building structure beam/ring beam or the building floor slab, and the moisture-proof layer adopts self-adhesive waterproof coiled materials or waterproof paint.
The width of the heat insulation board of the prefabricated heat-insulation bridge-cutoff composite heat insulation batten is larger than that of the light batten, and when the prefabricated heat-insulation bridge-cutoff composite heat insulation battens are spliced, the heat insulation board is used for covering the adhesive at the joint of the light battens.
The construction method of the heat-insulation bridge heat-insulation system of the building curtain wall comprises the following steps:
the method comprises the following steps: when the heat insulation filler strip is adopted, the heat insulation filler strip needs to be fixed on the indoor side surface of the curtain wall vertical keel through screws or adhesives; when the heat insulation filler strip is not adopted, the second step is directly executed;
step two: fixing the spliced one-way waterproof breathable film to the indoor side of the vertical keel of the curtain wall by using a clamp or an adhesive tape, and bonding the edge of the one-way waterproof breathable film with a building structure beam/ring beam and a building structure column/constructional column to form a waterproof breathable layer, so that the flatness of the one-way waterproof breathable film is ensured, and the breathable direction of the one-way waterproof breathable film is required to be ensured to be from the indoor side to the outdoor side; when the one-way waterproof vapor-permeable membrane adopts a post-installation mode, directly executing the step four, and executing the step eight again;
step three: when the panel is adopted, the panel is required to be fixed to the indoor side of the one-way waterproof vapor-permeable membrane, the panel is required to be tightly attached to the indoor side surface of the one-way waterproof vapor-permeable membrane, and the panel and the curtain wall vertical keel are fixedly connected through the panel, the one-way waterproof vapor-permeable membrane, the heat insulation filler strip and the curtain wall vertical keel which are sequentially penetrated through self-tapping screws; when the panel is not adopted, directly executing the step four;
step four: marking installation position lines of the prefabricated heat-insulated bridge composite heat-insulated battens on the building structure beam/ring beam and the building floor slab, and marking splicing position lines of the prefabricated heat-insulated bridge composite heat-insulated battens on the building structure beam/ring beam and the building floor slab;
step five: laying a damp-proof layer on the surface of the building floor along the installation position line of the prefabricated heat-insulating bridge composite heat-insulating batten;
step six: respectively assembling connecting pieces to the top, the bottom and the side edges of a light batten of a prefabricated heat-insulated bridge composite insulation batten to be installed;
step seven: placing the prefabricated heat-insulation bridge composite heat-insulation batten assembled with the connecting piece on a building floor according to a marked installation position line from a building structure column/constructional column to ensure the verticality of the prefabricated heat-insulation bridge composite heat-insulation batten, and then fixedly connecting the connecting piece with a building structure beam/ring beam, the building structure column/constructional column and the building floor through an anchoring bolt/screw/shooting nail; the assembled prefabricated heat-insulated bridge composite heat-insulated laths are assembled, wherein the gaps between the light laths of the adjacent prefabricated heat-insulated bridge composite heat-insulated laths are filled with a binder matched with the light laths as required, and the gaps between the heat-insulated plates of the adjacent prefabricated heat-insulated bridge composite heat-insulated laths are filled with a joint filling material as required; analogizing in sequence until the installation of the whole wall is finished, and reserving a gap of 10-20 mm between the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten and the lower surface of the building structure beam/ring beam or the building floor slab after the installation of the whole wall is finished, and reserving a gap of 5-15 mm between the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten and the side surface of the building structure column/constructional column;
step eight: filling joint filling materials into reserved gaps between the prefabricated heat-insulated bridge-cutoff composite heat-insulated battens and the lower surfaces of the beams/ring beams or the building floor slabs and between the prefabricated heat-insulated bridge-cutoff composite heat-insulated battens and the side surfaces of the building structure columns/constructional columns as required;
step nine: and (3) fixing the spliced waterproof vapor-barrier film to the indoor side of the prefabricated heat-insulated bridge composite heat-insulated slat by utilizing the shooting nails or adhesive tapes, ensuring that the waterproof vapor-barrier film is tightly attached to the indoor side surface of the prefabricated heat-insulated bridge composite heat-insulated slat, and ensuring the attachment flatness of the waterproof vapor-barrier film at the same time, so that the edge of the waterproof vapor-barrier film is bonded with the building structure beam/ring beam, the building structure column/constructional column and the building floor slab to form a waterproof airtight layer.
The utility model has the beneficial effects that:
according to the heat-insulation bridge-cut-off heat insulation system for the building curtain wall, the influence of moisture condensation on the heat insulation board and indoor decoration of the outdoor side curtain wall steel keel can be effectively blocked through the unidirectional waterproof vapor-permeable membrane, the heat-insulation bridge-cut-off performance and the low heat transfer performance can be effectively improved through the prefabricated heat-insulation bridge-cut-off composite heat insulation batten, and the heat-insulation bridge-cut-off heat insulation system is particularly suitable for severe cold and cold areas; compared with the traditional building curtain wall heat insulation system, the heat insulation performance can be effectively improved, the wall cost can be further reduced, and the construction belongs to dry construction, so that the site construction pollution can be effectively reduced, and the construction speed can be further improved; the utility model is suitable for various curtain wall facing systems and is suitable for energy-saving reconstruction of the existing building curtain wall system.
Drawings
FIG. 1 is a schematic structural view of a thermal insulation system of a thermal bridge cut-off of a building curtain wall (cross-sectional view and combustion performance of a thermal insulation board of a prefabricated thermal bridge cut-off composite thermal insulation slat is A level);
FIG. 2 is a schematic structural view (at the position of a building structural column/constructional column) of a thermal insulation system of a building curtain wall with a thermal insulation bridge (from a cross-sectional view, the combustion performance of a thermal insulation board of a prefabricated thermal insulation bridge composite thermal insulation slat is A level) of the utility model;
FIG. 3 is a schematic structural view (building structure beam/ring beam and building floor position) of a thermal insulation system of a building curtain wall heat-insulated bridge of the utility model (longitudinal section view and combustion performance of thermal insulation board of a prefabricated heat-insulated bridge-insulated slat is A level);
FIG. 4 is a schematic structural view of a thermal insulation system of a thermal bridge cut-off of a building curtain wall (cross-sectional view and the combustion performance of the thermal insulation board of a prefabricated thermal bridge cut-off composite thermal insulation slat is B-level) according to the present invention;
FIG. 5 is a schematic structural view (at the position of building structural column/constructional column) of a thermal insulation system of a thermal bridge cut-off of a building curtain wall (the combustion performance of the thermal insulation board of the prefabricated thermal bridge cut-off composite thermal insulation slat is B level in cross section view.)
FIG. 6 is a schematic structural view of a heat-insulating system of a heat-insulating bridge of a building curtain wall (the combustion performance of the heat-insulating board of the prefabricated heat-insulating bridge-cutoff composite slat is B-level in a longitudinal section view) (the positions of a building structural beam/ring beam and a building floor slab)
In the figure, 1-curtain wall vertical keel, 2-heat insulation filler strip, 3-one-way waterproof vapor permeable membrane, 4-panel, 5-prefabricated heat-insulating bridge composite heat-insulating batten, 5-1-light batten, 5-2-heat-insulating board, 6-joint filling material, 7-binder, 8-connecting piece, 9-waterproof vapor-insulating membrane, 10-moisture-proof layer, 11-curtain wall facing system, 12-building structure beam/ring beam, 13-building structure column/constructional column, 14-building floor slab, 15-anchoring bolt/screw/shooting nail, 16-bracket and 17-fireproof heat-insulating rock wool.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-6, a heat-insulating bridge insulation system for a building curtain wall comprises a curtain wall vertical keel 1, a one-way waterproof vapor-permeable membrane 3, a prefabricated heat-insulating bridge composite insulation batten 5, a joint filling material 6, a binder 7 and a connecting piece 8; the curtain wall vertical keels 1 are fixedly connected to the building structure beam, and the curtain wall vertical keels 1 are distributed in parallel; the one-way waterproof vapor-permeable membrane 3 is arranged on the indoor side of the curtain wall vertical keel 1, the air-permeable direction of the one-way waterproof vapor-permeable membrane 3 is from the indoor side to the outdoor side, and the one-way waterproof vapor-permeable membrane 3 is bonded with the building structure beam/ring beam 12 and the building structure column/constructional column 13 to form a waterproof and breathable layer; the prefabricated heat-bridge cutoff composite heat-insulation batten 5 is arranged on the indoor side of the one-way waterproof vapor-permeable membrane 3, the prefabricated heat-bridge cutoff composite heat-insulation batten 5 is tightly attached to the indoor side surface of the one-way waterproof vapor-permeable membrane 3, the top and the bottom of a light batten 5-1 of the prefabricated heat-bridge cutoff composite heat-insulation batten 5 are fixedly connected with a building structure beam/ring beam 12 or a building floor 14, and the side edge of the light batten 5-1 of the prefabricated heat-bridge cutoff composite heat-insulation batten 5 is fixedly connected with a building structure column/constructional column 13 or an adjacent light batten 5-1; the joint filling material 6 is filled in the gaps between the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten 5 and the building structure beam/ring beam 12, the building floor 14 and the building structure column/constructional column 13; the adhesive 7 is filled in gaps among the light battens 5-1 of the prefabricated heat-insulating bridge composite battens 5; the connecting pieces 8 are arranged at the top, the bottom and the side edges of the light batten 5-1 of the prefabricated heat-insulating bridge composite batten 5, and the prefabricated heat-insulating bridge composite batten 5 is fixedly connected with a building structure beam/ring beam 12, a building floor slab 14 and a building structure column/constructional column 13 through the connecting pieces 8.
The indoor side surface of the curtain wall vertical keel 1 is fixedly connected with a heat insulation filler strip 2, and the heat insulation filler strip 2 is made of hard polyurethane, hard polystyrene, teflon, nylon or fiber reinforced composite materials.
Be provided with panel 4 between one-way waterproof ventilative membrane 3 and the prefabricated disconnected heat bridge composite insulation slat 5, one-way waterproof ventilative membrane 3 closely laminates with panel 4, carries out fixed connection through self-tapping screw between panel 4 and the curtain erects fossil fragments 1.
The panel 4 is made of fiber reinforced cement board, calcium silicate board or glass magnesium board.
The joint filling material 6 adopts foamed polyurethane, polymer cement mortar, inorganic heat insulation mortar, organic heat insulation mortar or rock wool.
The connecting piece 8 is a straight-line-shaped, ten-thousand-shaped, L-shaped, U-shaped, S-shaped or F-shaped connecting piece.
The indoor side of the prefabricated heat-insulated bridge composite heat-insulated slat 5 is provided with a waterproof vapor-barrier membrane 9, the waterproof vapor-barrier membrane 9 is tightly attached to the indoor side surface of the prefabricated heat-insulated bridge composite heat-insulated slat 5, and the waterproof vapor-barrier membrane 9 is bonded with a building structure beam/ring beam 12, a building structure column/constructional column 13 and a building floor slab 14 to form a waterproof airtight layer.
A moisture-proof layer 10 is arranged between the bottom of the light batten 5-1 of the prefabricated heat-insulating bridge composite batten 5 and a building structure beam/ring beam 12 or a building floor 14, and the moisture-proof layer 10 is made of self-adhesive waterproof coiled materials or waterproof coatings.
The width of the heat insulation board 5-2 of the prefabricated heat-bridge-cutoff composite heat insulation batten 5 is larger than that of the light batten 5-1, and when the prefabricated heat-bridge-cutoff composite heat insulation batten 5 is spliced, the heat insulation board 5-2 is used for covering the adhesive 7 at the joint of the light batten 5-1.
The construction method of the heat-insulation bridge heat-insulation system of the building curtain wall comprises the following steps:
the method comprises the following steps: when the heat insulation filler strip 2 is adopted, the heat insulation filler strip 2 needs to be fixed on the indoor side surface of the curtain wall vertical keel 1 through screws or adhesive; when the heat insulation filler strip 2 is not adopted, the step two is directly executed;
step two: fixing the spliced one-way waterproof breathable film 3 to the indoor side of the curtain wall vertical keel 1 by using a clamp or an adhesive tape, and bonding the edge of the one-way waterproof breathable film 3 with a building structure beam/ring beam 12 and a building structure column/constructional column 13 to form a waterproof breathable layer, so as to ensure the flatness of the one-way waterproof breathable film 3 and ensure that the breathable direction of the one-way waterproof breathable film 3 is from the indoor side to the outdoor side; when the one-way waterproof and breathable film 3 adopts a post-installation mode, the step four is directly executed, and the step is executed after the step eight is executed;
step three: when the panel 4 is adopted, the panel 4 needs to be fixed to the indoor side of the one-way waterproof vapor-permeable membrane 3, the panel 4 needs to be tightly attached to the indoor side surface of the one-way waterproof vapor-permeable membrane 3, and the panel 4, the one-way waterproof vapor-permeable membrane 3, the heat insulation filler strip 2 and the curtain wall vertical keel 1 sequentially penetrate through self-tapping screws, so that the panel 4 is fixedly connected with the curtain wall vertical keel 1; when the panel 4 is not adopted, directly executing the step four;
step four: firstly, marking installation position lines of the prefabricated heat-insulation bridge composite heat-insulation batten 5 on the building structure beam/ring beam 12 and the building floor 14, and then marking splicing position lines of the prefabricated heat-insulation bridge composite heat-insulation batten 5 on the building structure beam/ring beam 12 and the building floor 14;
step five: laying a moisture-proof layer 10 on the surface of a building floor 14 along the installation position line of the prefabricated broken heat bridge composite heat-insulating batten 5;
step six: assembling the connecting pieces 8 to the top, the bottom and the side edges of a light batten 5-1 of the prefabricated heat-insulating bridge composite batten 5 to be installed respectively;
step seven: from the building structure column/constructional column 13, the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten 5 assembled with the connecting piece 8 is placed on a building floor 14 according to a marked installation position line, the verticality of the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten 5 is ensured, and then the connecting piece 8 is fixedly connected with the building structure beam/ring beam 12, the building structure column/constructional column 13 and the building floor 14 through an anchoring bolt/screw/shooting nail 15; the assembled prefabricated heat-insulation bridge composite heat-insulation laths 5 are used as a reference, the assembly of other prefabricated heat-insulation bridge composite heat-insulation laths 5 is completed subsequently, when the assembly is carried out, a binding agent 7 matched with the light lath 5-1 is filled in a gap between the light laths 5-1 of the adjacent prefabricated heat-insulation bridge composite heat-insulation laths 5 as required, a gap filling material 6 is filled in a gap between the heat-insulation plates 5-2 of the adjacent prefabricated heat-insulation bridge composite heat-insulation laths 5 as required, and for the prefabricated heat-insulation bridge composite heat-insulation laths 5 which are assembled later, the upper connecting piece 8 of the prefabricated heat-insulation bridge composite heat-insulation laths is fixedly connected with a building structure beam/ring beam 12, a building structure column/constructional column 13 and a building floor slab 14 through an anchoring bolt/screw/shooting nail 15; analogizing in sequence until the installation of the whole wall is finished, and after the installation of the whole wall is finished, reserving a gap of 10-20 mm between the prefabricated heat-insulation bridge cutoff composite heat-insulation batten 5 and the lower surface of the building structure beam/ring beam 12 or the building floor slab 14, and reserving a gap of 5-15 mm between the prefabricated heat-insulation bridge cutoff composite heat-insulation batten 5 and the side surface of the building structure column/constructional column 13;
step eight: filling joint filling materials 6 into reserved gaps between the prefabricated heat-insulated bridge-cutoff composite heat-insulating strip plates 5 and the lower surfaces of the beams/ring beams 12 or the building floor slabs 14 of the building structure and between the prefabricated heat-insulated bridge-cutoff composite heat-insulating strip plates 5 and the side surfaces of the columns/constructional columns 13 of the building structure according to requirements;
step nine: the spliced waterproof vapor-barrier membrane 9 is fixed to the indoor side of the prefabricated heat-insulation bridge-cutoff composite slat 5 by utilizing the shooting nails or adhesive tapes, so that the waterproof vapor-barrier membrane 9 is tightly attached to the indoor side surface of the prefabricated heat-insulation bridge-cutoff composite slat 5, and the attachment flatness of the waterproof vapor-barrier membrane 9 is ensured, so that the edge of the waterproof vapor-barrier membrane 9 is bonded with the building structure beam/ring beam 12, the building structure column/constructional column 13 and the building floor slab 14 to form a waterproof airtight layer.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a building curtain breaks heat bridge heat preservation system which characterized in that: the curtain wall heat insulation board comprises a curtain wall vertical keel, a one-way waterproof vapor-permeable membrane, a prefabricated heat-insulation bridge-cutoff composite heat insulation batten, a joint filling material, a binder and a connecting piece; the curtain wall vertical keels are fixedly connected to the building structure beam, and the curtain wall vertical keels are distributed in parallel; the one-way waterproof vapor-permeable membrane is arranged on the indoor side of the vertical keel of the curtain wall, the vapor-permeable direction of the one-way waterproof vapor-permeable membrane is from the indoor side to the outdoor side, and the one-way waterproof vapor-permeable membrane is bonded with the building structure beam/ring beam and the building structure column/constructional column to form a waterproof vapor-permeable layer; the prefabricated heat-bridge-cutoff composite heat-insulation batten is arranged on the indoor side of the one-way waterproof vapor-permeable membrane, the prefabricated heat-bridge-cutoff composite heat-insulation batten is tightly attached to the indoor side surface of the one-way waterproof vapor-permeable membrane, the top and the bottom of a light batten of the prefabricated heat-bridge-cutoff composite heat-insulation batten are fixedly connected with a building structure beam/ring beam or a building floor slab, and the side edge of the light batten of the prefabricated heat-bridge-cutoff composite heat-insulation batten is fixedly connected with a building structure column/constructional column or an adjacent light batten; the joint filling material is filled in the gaps between the prefabricated heat-insulation bridge-cutoff composite heat-insulation batten and the building structure beam/ring beam, the building floor slab and the building structure column/constructional column; the adhesive is filled in gaps among the light laths of the prefabricated heat-insulating bridge-cutoff composite batten; the connecting pieces are arranged at the top, the bottom and the side edges of the light batten of the prefabricated heat-insulated bridge composite heat-insulated batten, and the prefabricated heat-insulated bridge composite heat-insulated batten is fixedly connected with a building structure beam/ring beam, a building floor slab and a building structure column/constructional column through the connecting pieces.
2. The building curtain wall heat-insulating bridge system according to claim 1, wherein: the indoor side surface of the curtain wall vertical keel is fixedly connected with a heat insulation filler strip, and the heat insulation filler strip is made of hard polyurethane, hard polystyrene, teflon, nylon or fiber reinforced composite materials.
3. The building curtain wall heat-insulating bridge system according to claim 1, wherein: be provided with the panel between one-way waterproof ventilative membrane and the prefabricated disconnected heat bridge composite insulation slat, one-way waterproof ventilative membrane closely laminates with the panel, carries out fixed connection through self-tapping screw between panel and the curtain vertical keel.
4. The building curtain wall heat-insulating bridge system according to claim 3, wherein: the panel is made of fiber reinforced cement boards, calcium silicate boards or glass magnesium boards.
5. The building curtain wall heat-insulating bridge system according to claim 1, wherein: the joint filling material adopts foamed polyurethane, polymer cement mortar, inorganic heat-insulating mortar, organic heat-insulating mortar or rock wool.
6. The building curtain wall heat-insulating bridge system according to claim 1, wherein: the connecting piece adopts a straight line type, a Chinese character 'wan' type, an L type, a U type, an S type or an F type connecting piece.
7. The building curtain wall heat-insulating bridge system according to claim 1, wherein: the indoor side of the prefabricated heat-insulated bridge composite heat-insulated slat is provided with a waterproof vapor-barrier film, the waterproof vapor-barrier film is tightly attached to the indoor side surface of the prefabricated heat-insulated bridge composite heat-insulated slat, and the waterproof vapor-barrier film is bonded with a building structure beam/ring beam, a building structure column/constructional column and a building floor slab to form a waterproof airtight layer.
8. The building curtain wall heat-insulating bridge system according to claim 1, wherein: and a moisture-proof layer is arranged between the bottom of the light batten of the prefabricated heat-insulating bridge composite heat-insulating batten and the building structure beam/ring beam or the building floor slab, and the moisture-proof layer adopts self-adhesive waterproof coiled materials or waterproof paint.
9. The building curtain wall heat-insulating bridge system according to claim 1, wherein: the width of the heat insulation board of the prefabricated heat-insulation bridge-cutoff composite heat insulation batten is larger than that of the light batten, and when the prefabricated heat-insulation bridge-cutoff composite heat insulation batten is spliced, the heat insulation board is used for covering the binder at the joint of the light batten.
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| CN114277986A (en) * | 2022-01-21 | 2022-04-05 | 沈阳领创建筑科技有限公司 | Building curtain wall heat-insulation bridge heat-insulation system and construction method thereof |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277986A (en) * | 2022-01-21 | 2022-04-05 | 沈阳领创建筑科技有限公司 | Building curtain wall heat-insulation bridge heat-insulation system and construction method thereof |
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