CN210597765U - Composite heat-insulation fireproof external formwork external thermal insulation system - Google Patents

Composite heat-insulation fireproof external formwork external thermal insulation system Download PDF

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CN210597765U
CN210597765U CN201921075492.5U CN201921075492U CN210597765U CN 210597765 U CN210597765 U CN 210597765U CN 201921075492 U CN201921075492 U CN 201921075492U CN 210597765 U CN210597765 U CN 210597765U
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heat
insulation
layer
composite heat
fireproof
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李明波
周霄汉
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Shandong Jiandarun Building Material Technology Co ltd
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Shandong Jiandarun Building Material Technology Co ltd
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Abstract

The utility model provides a compound heat preservation fire prevention exterior sheathing outer wall external insulation system, including compound heat preservation fire prevention exterior sheathing, screed-coat, anti-crack mortar layer and finish coat, basic unit's wall body, compound heat preservation fire prevention exterior sheathing, screed-coat, anti-crack mortar layer and finish coat arrange from inside to outside in order, the screed-coat is vitrified micro ball heat preservation mortar screed-coat or rubber powder polyphenyl granule thick liquids screed-coat, the finish coat is coating finish coat or face brick finish coat; the composite heat-insulation fireproof external template comprises a composite heat-insulation plate, a first mortar layer arranged on the inner side of the composite heat-insulation plate and a second mortar layer arranged on the outer side of the composite heat-insulation plate; first steel mesh is arranged in the first mortar layer, second steel mesh is arranged in the second mortar layer, the first steel mesh and the second steel mesh are connected through a plurality of connecting structures penetrating through the composite heat-insulation board, a first alkali-resistant glass fiber net is further arranged in the first mortar layer, and a second alkali-resistant glass fiber net is further arranged in the second mortar layer.

Description

Composite heat-insulation fireproof external formwork external thermal insulation system
Technical Field
The utility model belongs to the technical field of building energy conservation, concretely relates to building heat preservation building materials technical field, more specifically relates to a compound incubation fire prevention exterior sheathing outer wall external insulation system.
Background
At present, in the field of national civil building energy conservation, whether residential buildings or public buildings, the energy-saving design standards issued and implemented by the current countries and places are strictly implemented. With the implementation of the current fire-proof design specifications, especially the improvement of the energy-saving rate of buildings in cold areas and severe cold areas, the novel energy-saving and fire-proof external wall thermal insulation material becomes a key research and development project in the field of building energy conservation.
With the rapid development of national economy and urbanization of China, energy sources become more and more scarce, and the position of energy source safety in the national economy is more prominent. With the rapid development of society, energy is consumed excessively. The newly-built house area of 160 hundred million square meters is a high-energy-consumption building with the energy utilization rate of only 33 percent every year in China, and the total building energy consumption accounts for one third of the total national energy consumption. Therefore, the building energy-saving level is improved, and the building energy-saving system is very important for improving the energy utilization rate and saving energy. In building energy conservation, the heat preservation and heat insulation performance of the outer protective structure plays an important role in reducing building energy consumption.
Since fifteen and eleven, under the strong promotion of the national energy-saving and emission-reducing policy, the energy-saving buildings in China are rapidly developed, the vast majority of the energy-saving buildings adopt the external thermal insulation technology of the external wall, and due to a plurality of reasons, the quality problems of hollowing, cracking, falling and the like of the external thermal insulation system of the external wall occur occasionally, meanwhile, the external thermal insulation system of the external wall has great fire safety hazards, the same service life as the building structure cannot be realized, and the popularization of building thermal insulation is seriously influenced.
Therefore, a new concept of building energy conservation and structure integration is provided by the science and technology and industrialization development center of the Ministry of construction since 2009, and research and development of building energy conservation and structure integration technology are rapidly started in all places. In order to solve the quality problems of hollowing, cracking, falling and the like of the external wall external insulation system, Qingdao architecture energy-saving building materials science and technology limited company develops the external wall external insulation system of the non-demolition mould fireproof insulation template, the non-demolition mould fireproof insulation template is arranged on the inner side of the template and integrally poured with building structure concrete, the outer side of the non-demolition mould fireproof insulation template is plastered with 30 mm-thick incombustible leveling mortar on site, and the system meets the regulations of 'building design fireproof standard' GB50016-2014 No. 6.7.3 through detection of relevant units.
The mould disassembly-free fireproof heat-preservation template adopted by the system refers to Chinese patents, patent numbers: 201620038322.X, patent name: exempt from to tear open mould fire prevention heat preservation template, patentee: qingdao Jianrun energy-saving building materials science and technology limited company specifically comprises:
the utility model provides a exempt from to tear open mould fire prevention heat preservation template, including graphite extruded sheet, the lower surface of graphite extruded sheet adds first top facing mortar layer, compound reinforcing's glass fiber net check cloth in the first top facing mortar layer, the wire net is erect to the top of graphite extruded sheet, the upper surface parallel arrangement of wire net and graphite extruded sheet, the welding has a plurality of downwardly extending's landing leg on the wire net, whole landing leg dispersion sets up, insert perpendicularly in the graphite extruded sheet so that wire net parallel frame locates the top of graphite extruded sheet in the hypomere of landing leg, glue powder polyphenyl granule heat preservation mortar layer is added to the upper surface of graphite extruded sheet, the wire net is located the middle part of glue powder polyphenyl granule heat preservation mortar layer thickness direction, the upper surface of glue powder polyphenyl granule heat preservation mortar layer adds second top facing mortar layer, compound reinforcing's glass fiber net check cloth in the second top facing mortar layer.
Although the disassembly-free fireproof heat-insulation template with the structure is provided with the steel wire mesh, the structure is relatively simple, the improvement of mechanical property is limited, in order to meet the regulation of the building design fire standard GB50016-2014 No. 6.7.3, the non-combustible leveling mortar smeared on the site outside the disassembly-free fireproof heat-insulation template needs to be more than or equal to 30mm thick so as to ensure that the overall performance (mechanical property and the like) of the external heat-insulation system meets the regulation, wherein the disassembly-free fireproof heat-insulation template external heat-insulation system is developed by Qingdao construction-run energy-saving building materials science and technology Limited company. The engineering application shows that the method brings the following new problems:
1. the non-stripping fireproof heat-insulation formwork is smeared with non-combustible leveling mortar with the thickness of more than or equal to 30mm on the outer side of the non-stripping fireproof heat-insulation formwork on site, so that the weight of a non-combustible leveling mortar layer is too large, the problem that an outer wall external heat-insulation system is easy to fall off is caused, potential safety hazards exist, and the same service life of heat insulation and a structure cannot be realized;
2. the non-combustible leveling mortar with the thickness of more than or equal to 30mm is plastered on the outer side of the non-stripping fireproof heat-insulation template on site, so that the material consumption is high, the cost is high, and the popularization is difficult.
In order to fundamentally and thoroughly solve the problems that an existing form-removal-free fireproof heat-insulation template external heat-insulation system is easy to fall off and high in cost, companies develop a composite heat-insulation fireproof external template and an external heat-insulation system which are excellent in performance, high in practical popularization and application value and capable of meeting market requirements at the cost through long-term experimental research, and provide a new idea of building energy conservation and structure integration to adapt to a technology and industrialization development center of the Ministry of construction in 2009 to develop a novel building energy conservation and structure integration technology.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a compound incubation fire prevention exterior sheathing outer wall external insulation system, its invention purpose is:
the problem of among the prior art outer wall external insulation system easily drop, have potential safety hazard, material is many, with high costs, can't realize keeping warm with the same life-span of structure is solved.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the composite heat-insulation fireproof external formwork external wall heat-insulation system comprises a composite heat-insulation fireproof external formwork, wherein the composite heat-insulation fireproof external formwork is positioned on the outer side of a base layer wall, a first mortar layer is closer to the base layer wall than a second mortar layer, the composite heat-insulation fireproof external formwork further comprises a leveling layer, an anti-crack mortar layer and a facing layer, the base layer wall, the composite heat-insulation fireproof external formwork, the leveling layer, the anti-crack mortar layer and the facing layer are sequentially arranged from inside to outside, the leveling layer is a vitrified micro-bead heat-insulation mortar leveling layer or a rubber powder polyphenyl particle slurry leveling layer, and the facing layer is a coating facing layer or a facing brick facing layer;
the composite heat-insulation fireproof external template comprises a composite heat-insulation plate, a first mortar layer arranged on the inner side of the composite heat-insulation plate and a second mortar layer arranged on the outer side of the composite heat-insulation plate;
the first mortar layer is internally provided with a first steel wire mesh, the second mortar layer is internally provided with a second steel wire mesh, the first steel wire mesh and the second steel wire mesh are connected through a plurality of connecting structures penetrating through the composite insulation board, the first mortar layer is also provided with a first alkali-resistant glass fiber net, the first alkali-resistant glass fiber net is further away from the composite insulation board than the first steel wire mesh, the second mortar layer is also provided with a second alkali-resistant glass fiber net, and the second alkali-resistant glass fiber net is further away from the composite insulation board than the second steel wire mesh;
the composite insulation board comprises a vertical-filament rock wool insulation core material layer, an organic insulation core material layer and a bonding layer which is positioned between the vertical-filament rock wool insulation core material layer and the organic insulation core material layer and is used for connecting the vertical-filament rock wool insulation core material layer and the organic insulation core material layer, wherein the vertical-filament rock wool insulation core material layer, the bonding layer and the organic insulation core material layer are sequentially arranged from outside to inside;
the vertical-fiber rock wool heat-insulation core material layer is formed by arranging a plurality of vertical-fiber rock wool strips in a single-layer flat plate shape, the first mortar layer is a vitrified micro-bead heat-insulation mortar layer, a bonding mortar layer or an aerogel heat-insulation mortar layer, and the second mortar layer is a vitrified micro-bead heat-insulation mortar layer, a bonding mortar layer, an anti-cracking mortar layer or an aerogel heat-insulation mortar layer; the organic heat-insulating core material layer is an XPS extruded sheet, a graphite extruded sheet, an EPS polyphenyl board, a graphite polyphenyl board, a polymerization polyphenyl board or a PU board, and the bonding layer is a binder layer, a bonding mortar layer or a hard foam polyurethane layer formed by pouring a polyurethane composite material between the vertical-filament rock wool heat-insulating core material layer and the organic heat-insulating core material layer and then completing foaming molding and curing under pressure.
Above-mentioned compound incubation fire prevention exterior wall external insulation system to every compound incubation fire prevention exterior sheathing, the length direction of every vertical scroll rock wool strip all is unanimous with the whole length direction of vertical scroll rock wool heat preservation core layer, has multirow vertical scroll rock wool strip on the vertical scroll rock wool heat preservation core layer width direction, two rows of adjacent vertical scroll rock wool strips staggered arrangement on length direction.
Above-mentioned compound incubation fire prevention exterior sheathing outer wall heat preservation system, to every compound incubation fire prevention exterior sheathing, first steel mesh and second steel mesh all include warp direction steel wire and latitudinal direction steel wire, the intersection of warp direction steel wire and latitudinal direction steel wire is called the nodical point, connection structure is V-arrangement connecting wire, V-arrangement connecting wire is including first landing leg and the second landing leg that pierces through compound insulation board, the contained angle of first landing leg and second landing leg is 30-60, the apex angle card that the steel wire was connected to the V-arrangement is on the nodical point, this nodical point is called the central nodical point, the tail end outside bending type of first landing leg and second landing leg forms the connection end of card on corresponding warp direction steel wire or latitudinal direction steel wire, part V-arrangement connecting wire opening is outwards, part V-arrangement connecting wire opening is inwards.
The composite heat-insulation fireproof exterior wall exterior heat-insulation system comprises a plurality of cushion blocks for determining the distance between a first steel wire mesh and a second steel wire mesh and a composite heat-insulation plate respectively for each composite heat-insulation fireproof exterior wall, wherein part of the cushion blocks are positioned between the first steel wire mesh and the composite heat-insulation plate, part of the cushion blocks are positioned between the second steel wire mesh and the composite heat-insulation plate, the cushion blocks are arranged close to the top ends of V-shaped connecting steel wires, each cushion block comprises a left supporting part, a right supporting part and a concave guiding part positioned between the left supporting part and the right supporting part, the guiding parts are provided with a first guiding hole and a second guiding hole which are respectively corresponding to the first supporting leg and the second supporting leg to pass through, an included angle formed by the central axes of the first guiding hole and the second guiding hole is equal to an included angle formed by the first supporting leg and the second supporting leg, cross-shaped grooves for accommodating the warp-wise steel, the two intersection points are respectively positioned at the left side and the right side of the central intersection point, and the distance between the bottom of the cross-shaped groove and the inner surfaces of the left supporting part and the right supporting part is equal to the distance between the first steel wire mesh and the composite insulation board and the distance between the second steel wire mesh and the composite insulation board.
The composite heat-insulation fireproof exterior wall exterior heat-insulation system comprises a plurality of cushion blocks for determining the distance between a first steel wire mesh and a second steel wire mesh and a composite heat-insulation plate respectively for each composite heat-insulation fireproof exterior wall, wherein part of the cushion blocks are positioned between the first steel wire mesh and the composite heat-insulation plate, part of the cushion blocks are positioned between the second steel wire mesh and the composite heat-insulation plate, the cushion blocks are arranged close to the top ends of V-shaped connecting steel wires, each cushion block comprises a supporting part and a concave guiding part, the guiding parts are provided with a first guiding hole and a second guiding hole which are respectively corresponding to the first supporting leg and the second supporting leg to penetrate through, the included angle formed by the central axes of the first guiding hole and the second guiding hole is equal to the included angle formed by the first supporting leg and the second supporting leg, a cross-shaped groove for containing the warp-direction steel wires and the weft-direction steel wires at the intersection, the distance between the bottom of the cross-shaped groove and the inner surface of the supporting part is equal to the distance between the first steel wire mesh and the composite insulation board and the distance between the second steel wire mesh and the composite insulation board.
Above-mentioned compound incubation fire prevention exterior sheathing outer wall external thermal insulation system, to every compound incubation fire prevention exterior sheathing, the hard bubble polyurethane layer is including covering the hard bubble polyurethane adhesive layer of the corresponding surface in vertical hair rock wool heat preservation core material layer and the polyurethane adhesive body that forms in the infiltration vertical hair rock wool heat preservation core material layer.
Above-mentioned compound incubation fire prevention exterior wall external thermal insulation system to every compound incubation fire prevention exterior sheathing, has the 10mm clearance between two adjacent vertical wire rock wool strips wherein among the single vertical wire rock wool strip, forms polyurethane in this clearance and connects the rib, perhaps, sets up the flat through-hole that the thickness direction runs through vertical wire rock wool strip on the vertical wire rock wool strip wherein, forms polyurethane in this flat through-hole and connects the rib, and the width of flat through-hole is 10 mm.
According to the external thermal insulation system for the external wall of the composite thermal insulation fireproof external template, for each composite thermal insulation fireproof external template, the thickness of the second mortar layer is 5mm, the thickness of the organic thermal insulation core layer is 60mm, the thickness of the vertical-filament rock wool thermal insulation core layer is 30mm, and the thickness of the first mortar layer is 5 mm.
Above-mentioned compound incubation fire prevention exterior sheathing outer wall heat preservation system, to compound incubation fire prevention exterior sheathing, when using in the external corner position, two compound incubation fire prevention exterior sheathing carry out the piece butt joint in exterior wall external corner position, and the compound incubation fire prevention exterior sheathing of this external corner department is called external corner heat preservation exterior template, and the butt joint face of external corner heat preservation exterior template is the inclined plane, and the contained angle of this inclined plane and external corner heat preservation exterior template's surface is 43.
The outer thermal insulation system of the composite thermal insulation fireproof outer formwork outer wall has the advantages that the thickness of the leveling layer is 10mm, and the thickness of the anti-crack mortar layer is 5 mm.
Steel wire meshes (first steel wire meshes and second steel wire meshes) are uniformly arranged in the first mortar layer and the second mortar layer which are positioned on the inner side and the outer side of the composite heat-insulation board, the first steel wire meshes and the second steel wire meshes are connected through a plurality of connecting structures which penetrate through the composite heat-insulation board, the first steel wire meshes, the second steel wire meshes and the connecting structures form a steel wire mesh cage with a stable and firm framework, the overall mechanical property of the composite heat-insulation fireproof outer formwork is greatly improved, and the whole heat-insulation system is durable and firm. The mechanical property of the composite heat-insulation fireproof external template is further improved, the thickness of a leveling layer outside the composite heat-insulation fireproof external template in the external wall heat-insulation system can be greatly reduced on the premise of ensuring the performance of the external wall heat-insulation system, the weight of the leveling layer is reduced, and the problems that the external wall heat-insulation system is easy to fall off, has potential safety hazards, is more in material consumption and high in cost and cannot realize heat insulation and the same service life of the structure due to the fact that the weight of the leveling layer is too large in the prior art are solved.
The composite insulation board is formed by compounding the vertical-filament rock wool insulation core material layer and the organic insulation core material layer, the vertical-filament rock wool insulation core material layer is located outside the organic insulation core material layer, the vertical-filament rock wool insulation material is effectively and fully utilized to have A-level flame-retardant excellent flame-retardant performance, and meanwhile, the excellent heat-insulating performance of the organic insulation core material layer is also utilized. The utility model discloses to have combined organic heat preservation core and vertical scroll rock wool, realized the equal good composite insulation board of fire prevention and thermal insulation performance. The thermal insulation material is applied to an external thermal insulation system of an external wall, meets the regulation of 'building design fire protection code' GB50016-2014 No. 6.7.3, and is suitable for industrial and civil buildings, including buildings in places with intensive personnel and high-rise buildings.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a composite heat-insulating fireproof external formwork in an embodiment 1.
Fig. 2 is a schematic structural view of a composite heat-insulating fireproof external template in embodiment 2.
FIG. 3 is a schematic structural view of a composite heat-insulating fireproof external formwork in embodiment 3.
Fig. 4 is a schematic structural view of the composite heat-insulating fireproof external template in embodiment 4.
Fig. 5 is a schematic view of a structure of the spacer.
Fig. 6 is a schematic cross-sectional view of fig. 5.
Fig. 7 is a bottom view of fig. 5.
Fig. 8 is another schematic structure diagram of the spacer.
Fig. 9 is a schematic cross-sectional view of fig. 8.
Fig. 10 is a bottom view of fig. 8.
FIG. 11 is a schematic structural view of an external thermal insulation system of an external wall of a composite thermal insulation fireproof external template.
Fig. 12 is a schematic view of arrangement of vertical-filament rock wool heat-insulating core material layers.
Fig. 13 is a schematic view of another arrangement of vertical-filament rock wool insulation core layers.
Fig. 14 is a schematic view of another arrangement of vertical-filament rock wool insulation core material layers.
Fig. 15 is a schematic view of the butt joint structure of the external corner heat-insulating external template.
In the figure: 1 first mortar layer, 2 organic heat preservation core material layer, 3 tie coat, 4 vertical wire rock wool heat preservation core material layer, 5 second mortar layer, 6 second alkali-resistant glass fiber net, 7 second steel wire net, 8 first alkali-resistant glass fiber net, 9 first steel wire net, 10 dovetail groove, 11 dovetail groove, 12 connection structure, 13 basic unit's wall, 14 composite heat preservation board, 15 screed-coat, 16 anti-crack mortar layer, 17 finish coat, 18V-arrangement connecting wire, 19 cushion blocks, 20 warp-arrangement steel wires, 21 weft-arrangement steel wires, 22 cushion blocks, 23 cross-shaped groove, 24 right supporting part, 25 second guiding holes, 26 guiding parts, 27 vertical wire rock wool strips, 28 composite heat preservation fireproof exterior formwork, 29 polyurethane connecting ribs, 30 polyurethane connecting ribs, 31 external corner heat preservation exterior template.
Detailed Description
As shown in fig. 11, a composite heat-insulating fireproof external formwork external wall external heat-insulating system comprises a composite heat-insulating fireproof external formwork 28, wherein the composite heat-insulating fireproof external formwork is located on the outer side of a base layer wall 13, a first mortar layer is closer to the base layer wall than a second mortar layer, the composite heat-insulating fireproof external formwork further comprises a leveling layer 15, an anti-cracking mortar layer 16 and a facing layer 17, the base layer wall, the composite heat-insulating fireproof external formwork, the leveling layer, the anti-cracking mortar layer and the facing layer are sequentially arranged from inside to outside, the leveling layer is a vitrified microsphere heat-insulating mortar leveling layer or a rubber powder polyphenyl particle slurry leveling layer, and the facing layer is a coating facing layer or a facing tile facing layer.
As shown in fig. 1, 2 and 11, a composite heat-insulating fireproof external formwork 28 comprises a composite heat-insulating board 14, a first mortar layer 1 arranged on the inner side of the composite heat-insulating board, and a second mortar layer 5 arranged on the outer side of the composite heat-insulating board;
a first steel wire mesh sheet 9 is arranged in the first mortar layer, a second steel wire mesh sheet 7 is arranged in the second mortar layer, the first steel wire mesh sheet and the second steel wire mesh sheet are connected through a plurality of connecting structures 12 penetrating through the composite insulation board, a first alkali-resistant glass fiber net 8 is further arranged in the first mortar layer, the first alkali-resistant glass fiber net is further away from the composite insulation board than the first steel wire mesh sheet, a second alkali-resistant glass fiber net 6 is further arranged in the second mortar layer, and the second alkali-resistant glass fiber net is further away from the composite insulation board than the second steel wire mesh sheet; the connecting structure can adopt oblique inserting abdominal wires which are arranged in pairs and are crossed, and also can adopt the V-shaped connecting steel wire.
The composite insulation board comprises a vertical-filament rock wool insulation core material layer 4, an organic insulation core material layer 2 and a bonding layer 3 which is arranged between the vertical-filament rock wool insulation core material layer and the organic insulation core material layer and used for connecting the vertical-filament rock wool insulation core material layer and the organic insulation core material layer, wherein the vertical-filament rock wool insulation core material layer, the bonding layer and the organic insulation core material layer are sequentially arranged from outside to inside.
As shown in fig. 12, the vertical-fiber rock wool thermal insulation core material layer is formed by arranging a plurality of vertical-fiber rock wool strips 27 in a single-layer flat plate shape, the first mortar layer is a vitrified microsphere thermal insulation mortar layer, a bonding mortar layer or an aerogel thermal insulation mortar layer, and the second mortar layer is a vitrified microsphere thermal insulation mortar layer, a bonding mortar layer, an anti-crack mortar layer or an aerogel thermal insulation mortar layer; the organic heat-insulating core material layer is an XPS extruded sheet, a graphite extruded sheet, an EPS polyphenyl board, a graphite polyphenyl board, a polymerization polyphenyl board or a PU board, and the bonding layer is a binder layer, a bonding mortar layer or a hard foam polyurethane layer formed by pouring a polyurethane composite material between the vertical-filament rock wool heat-insulating core material layer and the organic heat-insulating core material layer and then completing foaming molding and curing under pressure.
Specifically, the length direction of each vertical-wire rock wool strip is consistent with the whole length direction of the vertical-wire rock wool heat-insulation core material layer, a plurality of rows of vertical-wire rock wool strips are arranged in the width direction of the vertical-wire rock wool heat-insulation core material layer, and two adjacent rows of vertical-wire rock wool strips in the length direction are arranged in a staggered mode. Two adjacent rows of vertical-wire rock wool strips are arranged in a staggered manner in the length direction. The mechanical property of the whole vertical-wire rock wool heat-preservation core material layer is enhanced by the staggered arrangement mode.
Because binder silk and wire net piece adopt welded fastening to be connected, the welding has destroyed the original corrosion resistant layer of wire net piece, leads to having reduced the corrosion resisting property of wire net piece, has the potential safety hazard, the utility model provides a connection structure that is more excellent specifically introduces as follows:
as shown in fig. 2 to 10, first steel mesh piece and second steel mesh piece all include warp direction steel wire 20 and latitudinal direction steel wire 21, the intersection of warp direction steel wire and latitudinal direction steel wire is called nodical, connection structure is V-arrangement connecting wire 18, V-arrangement connecting wire is including first landing leg and the second landing leg that pierces through composite insulation board, the contained angle of first landing leg and second landing leg is 30-60, the apex angle card that the steel wire was connected to the V-arrangement is on nodical, this nodical point is called central nodical, the outside lateral buckling of tail end of first landing leg and second landing leg forms the connection end of card on corresponding warp direction steel wire or latitudinal direction steel wire, partial V-arrangement connecting wire opening outwards, partial V-arrangement connecting wire opening inwards. The structure of V-arrangement connecting wire has realized the connection of both sides wire net piece, and this connection need not weld, does not destroy the original corrosion-resistant layer of wire net piece, can adopt the ligature to carry out supplementary fixed.
As shown in fig. 3, 8, 9 and 10, the composite heat-insulating fireproof exterior formwork further includes a plurality of cushion blocks 22 for determining the distance between each of the first steel wire mesh and the second steel wire mesh and the composite heat-insulating board, only one cushion block is schematically illustrated in fig. 3, each V-shaped connecting steel wire may be configured with one cushion block, and also some V-shaped connecting steel wires may be configured with cushion blocks. Part of cushion blocks are positioned between the first steel wire mesh and the composite insulation board, part of cushion blocks are positioned between the second steel wire mesh and the composite insulation board, the cushion blocks are arranged near the top ends of the V-shaped connecting steel wires, each cushion block comprises a left supporting part, a right supporting part 24 and a concave guiding part 26 positioned between the left supporting part and the right supporting part, the guiding parts are provided with a first guiding hole and a second guiding hole 25 which are respectively and correspondingly penetrated by the first supporting leg and the second supporting leg, an included angle formed by the central axes of the first guiding hole and the second guiding hole is equal to that of the first supporting leg and the second supporting leg, the outer surfaces of the left supporting part and the right supporting part are both provided with a cross-shaped groove 23 for accommodating the warp-direction steel wire, the two intersection points are respectively located on the left and right adjacent sides of the central intersection point, that is, the intersection points accommodated in the cross-shaped groove are located on the front and rear adjacent sides or the left and right adjacent sides of the central intersection point. The distance between the bottom of the cross-shaped groove and the inner surfaces of the left supporting part and the right supporting part is equal to the distance between the first steel wire mesh and the composite heat-insulation plate and the distance between the second steel wire mesh and the composite heat-insulation plate.
The cushion blocks ensure that the first steel wire mesh and the second steel wire mesh are respectively spaced from the composite heat-insulation board, and meanwhile, the guide holes in the cushion blocks can guide the insertion of the V-shaped connecting steel wires, so that the smoothness of the insertion of the V-shaped connecting steel wires and the certainty of the position are ensured. The other function of the cushion block is to assist in realizing the function of fixing the steel wire meshes on two sides by the V-shaped connecting steel wires.
As shown in fig. 4, 5, 6 and 7, the composite heat-insulating fireproof exterior formwork further comprises a plurality of cushion blocks 19 for determining the distance between the first steel wire mesh and the composite heat-insulating board and the distance between the second steel wire mesh and the composite heat-insulating board respectively, part of the cushion blocks are positioned between the first steel wire mesh and the composite heat-insulating board, the cushion blocks are arranged near the top ends of the V-shaped connecting steel wires, each cushion block comprises a supporting portion and a concave guiding portion, the guiding portion is provided with a first guiding hole and a second guiding hole which are respectively corresponding to the first supporting leg and the second supporting leg to pass through, an included angle formed by the central axes of the first guiding hole and the second guiding hole is equal to an included angle formed by the first supporting leg and the second supporting leg, a cross-shaped groove for accommodating the warp steel wires and the weft steel wires at the intersection point is formed on the outer surface of the supporting portion, the, the distance between the bottom of the cross-shaped groove and the inner surface of the supporting part is equal to the distance between the first steel wire mesh and the composite insulation board and the distance between the second steel wire mesh and the composite insulation board.
The hard foam polyurethane layer comprises a hard foam polyurethane binding layer covering the corresponding surface of the vertical-silk rock wool heat-preservation core material layer and a polyurethane binding body formed in the vertical-silk rock wool heat-preservation core material layer (rock wool fiber) in an infiltration mode. The rock wool is an A-level fireproof material, the vertical-fiber rock wool heat-insulation core material layer is completely made of vertical-fiber rock wool, the tensile property of the rock wool is utilized to the maximum extent, a polyurethane composite material is poured on the surface of the vertical-fiber rock wool heat-insulation core material layer, then the vertical-fiber rock wool heat-insulation core material layer is provided with a hard-foam polyurethane layer which is formed by foaming molding and curing under pressure, liquid polyurethane permeates into the rock wool and is self-bonded to form a compact physical connection structure, the loose structure of the rock wool is changed, the mechanical property of the rock wool is enhanced, and the mechanical properties such as the compression strength and the tensile strength of the rock wool heat-insulation material are improved; the polyurethane can also repair broken rock wool. The utility model discloses utilize the excellent self-bonding performance of polyurethane thoroughly to change the loose characteristic of rock wool, foaming, shaping, curing in the laminator, the liquid polyurethane combination liquid that flows forms infiltration formula physics after permeating the rock wool is inside to bond, and then improves the whole mechanical properties of rock wool.
In order to further enlarge the technical effect of polyurethane, the structure of fig. 13 and 14 is adopted, and the thickness of the polyurethane connecting rib is increased. A10 mm gap is formed between two adjacent vertical silk rock wool strips in the single-row vertical silk rock wool strip, a polyurethane connecting rib 30 is formed in the gap, or a flat through hole with the thickness direction penetrating through the vertical silk rock wool strips is formed in each vertical silk rock wool strip, a polyurethane connecting rib 29 is formed in each flat through hole, and the width of each flat through hole is 10 mm.
Specifically, the thickness of the second mortar layer is 5mm, the thickness of the organic heat-insulation core material layer is 60mm, the thickness of the vertical-filament rock wool heat-insulation core material layer is 30mm, and the thickness of the first mortar layer is 5 mm.
Specifically, dovetail grooves (10 and 11) are formed in the inner surface and the outer surface of the organic heat-insulating core material layer, and the dovetail grooves in the inner side face and the dovetail grooves in the outer side face are arranged in a staggered mode.
Because the included angle between the butt joint surface of the existing external corner heat-insulating external template and the outer surface of the external corner heat-insulating external template is 45 degrees, theoretically, no gap exists between the butt joint surfaces of the two external corner heat-insulating external templates after butt joint, and a 90-degree right-angle structure is formed. In order to solve the above problems, as shown in fig. 15, when the composite heat-insulating fireproof template is used at an external corner position, the two composite heat-insulating fireproof external templates are abutted at the external corner position of an external wall, the composite heat-insulating fireproof external template at the external corner position is called an external corner heat-insulating external template 31, the abutting surface of the external corner heat-insulating external template is an inclined surface, the included angle between the inclined surface and the outer surface of the external corner heat-insulating external template is 43 degrees, a gap with an included angle of 4 degrees is formed between the two external corner heat-insulating external templates after the two external corner heat-insulating external templates are abutted at the abutted joint, and mortar is filled in.
Specifically, the thickness of the leveling layer is 10mm, and the thickness of the anti-crack mortar layer is 5 mm.
The composite heat-insulating fireproof outer formwork is used as a permanent outer formwork, concrete is poured on the inner side of the outer formwork, a leveling layer, an anti-cracking layer and a finishing coat are made on the outer side of the outer formwork, and the composite heat-insulating fireproof outer formwork and the concrete are firmly connected together through a connecting piece to form a heat-insulating system.
Steel wire meshes (first steel wire meshes and second steel wire meshes) are uniformly arranged in the first mortar layer and the second mortar layer which are positioned on the inner side and the outer side of the composite heat-insulation board, the first steel wire meshes and the second steel wire meshes are connected through a plurality of connecting structures which penetrate through the composite heat-insulation board, the first steel wire meshes, the second steel wire meshes and the connecting structures form a steel wire mesh cage with a stable and firm framework, the overall mechanical property of the composite heat-insulation fireproof outer formwork is greatly improved, and the whole heat-insulation system is durable and firm. The mechanical property of the composite heat-insulation fireproof external template is further improved, the thickness of a leveling layer outside the composite heat-insulation fireproof external template in the external wall heat-insulation system can be greatly reduced on the premise of ensuring the performance of the external wall heat-insulation system, the weight of the leveling layer is reduced, and the problems that the external wall heat-insulation system is easy to fall off, has potential safety hazards, is more in material consumption and high in cost and cannot realize heat insulation and the same service life of the structure due to the fact that the weight of the leveling layer is too large in the prior art are solved.
The composite insulation board is formed by compounding the vertical-filament rock wool insulation core material layer and the organic insulation core material layer, the vertical-filament rock wool insulation core material layer is located outside the organic insulation core material layer, the vertical-filament rock wool insulation material is effectively and fully utilized to have A-level flame-retardant excellent flame retardant performance, and meanwhile, the excellent heat resistance performance of the organic insulation core material layer is also utilized. The utility model discloses to have combined organic heat preservation core and vertical scroll rock wool, realized the equal good composite insulation board of fire prevention and thermal insulation performance. The thermal insulation material is applied to an external thermal insulation system of an external wall, meets the regulation of 'building design fire protection code' GB50016-2014 No. 6.7.3, and is suitable for industrial and civil buildings, including buildings in places with intensive personnel and high-rise buildings.

Claims (10)

1. The utility model provides a compound incubation fire prevention exterior sheathing outer wall external insulation system which characterized in that: the composite heat-insulation fireproof external formwork comprises a composite heat-insulation fireproof external formwork, wherein the composite heat-insulation fireproof external formwork is positioned on the outer side of a base wall, a first mortar layer is closer to the base wall than a second mortar layer, the composite heat-insulation fireproof external formwork further comprises a leveling layer, an anti-cracking mortar layer and a facing layer, the base wall, the composite heat-insulation fireproof external formwork, the leveling layer, the anti-cracking mortar layer and the facing layer are sequentially arranged from inside to outside, the leveling layer is a vitrified microsphere heat-insulation mortar leveling layer or a rubber powder polyphenyl particle slurry leveling layer, and the facing layer is a coating facing layer or a facing brick facing layer;
the composite heat-insulation fireproof external template comprises a composite heat-insulation plate, a first mortar layer arranged on the inner side of the composite heat-insulation plate and a second mortar layer arranged on the outer side of the composite heat-insulation plate;
the first mortar layer is internally provided with a first steel wire mesh, the second mortar layer is internally provided with a second steel wire mesh, the first steel wire mesh and the second steel wire mesh are connected through a plurality of connecting structures penetrating through the composite insulation board, the first mortar layer is also provided with a first alkali-resistant glass fiber net, the first alkali-resistant glass fiber net is further away from the composite insulation board than the first steel wire mesh, the second mortar layer is also provided with a second alkali-resistant glass fiber net, and the second alkali-resistant glass fiber net is further away from the composite insulation board than the second steel wire mesh;
the composite insulation board comprises a vertical-filament rock wool insulation core material layer, an organic insulation core material layer and a bonding layer which is positioned between the vertical-filament rock wool insulation core material layer and the organic insulation core material layer and is used for connecting the vertical-filament rock wool insulation core material layer and the organic insulation core material layer, wherein the vertical-filament rock wool insulation core material layer, the bonding layer and the organic insulation core material layer are sequentially arranged from outside to inside;
the vertical-fiber rock wool heat-insulation core material layer is formed by arranging a plurality of vertical-fiber rock wool strips in a single-layer flat plate shape, the first mortar layer is a vitrified micro-bead heat-insulation mortar layer, a bonding mortar layer or an aerogel heat-insulation mortar layer, and the second mortar layer is a vitrified micro-bead heat-insulation mortar layer, a bonding mortar layer, an anti-cracking mortar layer or an aerogel heat-insulation mortar layer; the organic heat-insulating core material layer is an XPS extruded sheet, a graphite extruded sheet, an EPS polyphenyl board, a graphite polyphenyl board, a polymerization polyphenyl board or a PU board, and the bonding layer is a binder layer, a bonding mortar layer or a hard foam polyurethane layer formed by pouring a polyurethane composite material between the vertical-filament rock wool heat-insulating core material layer and the organic heat-insulating core material layer and then completing foaming molding and curing under pressure.
2. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 1, characterized in that: for each composite heat-preservation fireproof external template, the length direction of each vertical-wire rock wool strip is consistent with the whole length direction of the vertical-wire rock wool heat-preservation core material layer, a plurality of rows of vertical-wire rock wool strips are arranged in the width direction of the vertical-wire rock wool heat-preservation core material layer, and two adjacent rows of vertical-wire rock wool strips in the length direction are arranged in a staggered mode.
3. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 1, characterized in that: to every compound incubation fire prevention exterior sheathing, first steel mesh and second steel mesh all include warp direction steel wire and latitudinal direction steel wire, the intersection of warp direction steel wire and latitudinal direction steel wire is called nodical, connection structure is V-arrangement connecting wire, V-arrangement connecting wire is including penetrating compound insulation board's first landing leg and second landing leg, the contained angle of first landing leg and second landing leg is 30-60, the apex angle card that the steel wire was connected to the V-arrangement is on nodical, this nodical is called central nodical, the outside lateral buckling of tail end of first landing leg and second landing leg forms the connection end of card on corresponding warp direction steel wire or latitudinal direction steel wire, part V-arrangement connecting wire opening outwards, part V-arrangement connecting wire opening inwards.
4. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 3, characterized in that: for each composite heat-insulation fireproof outer template, the composite heat-insulation fireproof outer template further comprises a plurality of cushion blocks used for determining the distance between the first steel wire mesh and the composite heat-insulation plate and the distance between the second steel wire mesh and the composite heat-insulation plate respectively, part of the cushion blocks are positioned between the first steel wire mesh and the composite heat-insulation plate, the cushion blocks are arranged close to the top ends of the V-shaped connecting steel wires and comprise a left supporting part, a right supporting part and a concave guiding part positioned between the left supporting part and the right supporting part, the guiding part is provided with a first guiding hole and a second guiding hole which are respectively corresponding to the first supporting leg and the second supporting leg to pass through, the included angle formed by the central axes of the first guiding hole and the second guiding hole is equal to the included angle formed by the first supporting leg and the second supporting leg, cross-shaped grooves for containing the warp-direction steel wires and the weft-direction steel wires at the intersection points are formed on the outer, the distance between the bottom of the cross-shaped groove and the inner surfaces of the left supporting part and the right supporting part is equal to the distance between the first steel wire mesh and the composite heat-insulation plate and the distance between the second steel wire mesh and the composite heat-insulation plate.
5. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 3, characterized in that: for every compound incubation fire prevention exterior sheathing, still including a plurality of cushions that are used for confirming first wire mesh and second wire mesh respectively and compound insulation board between the interval, some cushions are located between first wire mesh and the compound insulation board, some cushions are located between second wire mesh and the compound insulation board, the cushion is close to V-arrangement and connects steel wire top department setting, the cushion includes supporting part and recessed guide part, set up first guiding hole and the second guiding hole that corresponds respectively and supply first landing leg and second landing leg to pass on the guide part, the contained angle that first guiding hole and second guiding hole central axis formed equals the contained angle of first landing leg and second landing leg, be formed with the cross groove that holds crossing department warp direction steel wire and latitudinal direction steel wire on the surface of supporting part, this crossing point is located the adjacent left side or the adjacent right side of central crossing point, the distance between cross groove tank bottom and the supporting part internal surface equals first wire mesh and second wire mesh and compound insulation board The spacing therebetween.
6. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 2, characterized in that: for each composite heat-preservation fireproof external template, the hard foam polyurethane layer comprises a hard foam polyurethane adhesive layer covering the corresponding surface of the vertical-wire rock wool heat-preservation core material layer and a polyurethane adhesive body formed in the vertical-wire rock wool heat-preservation core material layer in an infiltration mode.
7. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 2, characterized in that: for every compound incubation fire prevention exterior sheathing, have 10mm clearance between two adjacent vertical wire rock wool strips among the single vertical wire rock wool strip, form polyurethane in this clearance and connect the rib, perhaps, set up the flat through-hole that thickness direction runs through vertical wire rock wool strip on the vertical wire rock wool strip wherein, form polyurethane in this flat through-hole and connect the rib, the width of flat through-hole is 10 mm.
8. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 1, characterized in that: for each composite heat-preservation fireproof outer template, the thickness of the second mortar layer is 5mm, the thickness of the organic heat-preservation core material layer is 60mm, the thickness of the vertical-filament rock wool heat-preservation core material layer is 30mm, and the thickness of the first mortar layer is 5 mm.
9. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 1, characterized in that: for the compound heat-preservation fireproof outer template, when the compound heat-preservation fireproof outer template is used at an external corner position, the two compound heat-preservation fireproof outer templates are subjected to butt joint at the external corner position of an outer wall, the compound heat-preservation fireproof outer template at the external corner position is called an external corner heat-preservation outer template, the butt joint surface of the external corner heat-preservation outer template is an inclined surface, and the included angle between the inclined surface and the outer surface of the external corner heat-preservation outer template is 43 degrees.
10. The composite heat-insulating fireproof exterior formwork exterior wall exterior heat-insulating system according to claim 1, characterized in that: the thickness of the leveling layer is 10mm, and the thickness of the anti-crack mortar layer is 5 mm.
CN201921075492.5U 2019-07-10 2019-07-10 Composite heat-insulation fireproof external formwork external thermal insulation system Active CN210597765U (en)

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