CN211200798U

CN211200798U - Metal mesh rock wool composite sheet outer wall external insulation system

Info

Publication number: CN211200798U
Application number: CN201921763690.0U
Authority: CN
Inventors: 曹杨; 吴美升; 邵雨薇
Original assignee: Shandong Provincial Academy of Building Research
Current assignee: Shandong Provincial Academy of Building Research
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-07
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to a metal mesh rock wool composite sheet outer wall heat preservation system belongs to building energy saving technical field. The external thermal insulation system of the external wall sequentially comprises a bonding layer, a rock wool composite board layer, a thermal insulation slurry layer, a plastering mortar layer and a veneer layer from inside to outside, and is provided with an expansion anchor bolt which penetrates through the rock wool composite board to be connected to the external wall body of a building, wherein the external side of the rock wool composite board layer is pressed with a concave-convex metal net which is pressed by the expansion anchor bolt and is embedded in the thermal insulation slurry layer; the expansion anchor bolt comprises a plastic expansion pipe and a long steel nail, the plastic expansion pipe comprises a long pipe body and a large circular chassis, the front end of the pipe body is an expansion section with a notch, the expansion section of the expansion anchor bolt completely penetrates through the rock wool composite board and is located in the outer wall body, and the chassis of the expansion anchor bolt presses the metal mesh. The utility model discloses an outer wall external insulation system dead weight is little, the heat preservation effect is good, construction convenience can directly be applied to the external wall insulation of building.

Description

Metal mesh rock wool composite sheet outer wall external insulation system

Technical Field

The utility model relates to a building energy saving technology field, concretely relates to metal mesh rock wool composite sheet outer wall heat preservation system.

Background

At present, the paste type external thermal insulation system which not only meets the requirements of energy-saving standards but also meets the A-grade fireproof requirements of related thermal insulation materials specified in the building design fireproof standard GB50016 in the market of building energy conservation mainly comprises a rock wool board thin plastering system and an inorganic material composite polystyrene thermal insulation board thin plastering system. The two external thermal insulation systems have the common advantages that the two external thermal insulation systems both accord with the relevant regulations of A-level fire resistance of thermal insulation materials in the building design fire protection code GB50016, and compared with other conventional organic thermal insulation board pasting type external thermal insulation systems, the external thermal insulation system is not limited by the use of buildings and the height of the buildings during engineering application, and does not need to be provided with a fire-proof isolation belt and matched fireproof integrity doors and windows.

However, the rock wool board thin plastering system has low tensile strength of the rock wool board, high construction technical requirement, difficult guarantee of engineering quality and multiple accidents; the inorganic material composite polystyrene heat-insulating board meets the A-level fireproof requirement, and the product density is 140kg/m³The method has the advantages of high product heat conductivity coefficient, poor heat insulation performance, poor flexibility, unreliable cohesiveness and great potential safety hazard of engineering quality. Engineering application practices show that the two external thermal insulation systems have serious influence on popularization and application of the two external thermal insulation systems due to the existence of defects, and a paste type external thermal insulation system which is reasonable in system structure, safe and reliable in quality and meets the requirements of fire protection specifications is required in the current energy-saving market.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model discloses a heat preservation system outside metal mesh rock wool composite board outer wall, its concrete technical scheme is, the heat preservation system outside the outer wall is from inside to outside in proper order for tie coat, rock wool composite board layer, heat preservation thick liquids layer, finish coat mortar layer and finish coat, and be equipped with the expansion anchor bolt and pass rock wool composite board and tie coat and be connected to the outer wall body of building, rock wool composite board layer is spliced by the rock wool composite board, the concave-convex metal mesh of about 5mm thickness is pressed in the outside of rock wool composite board, the metal mesh is pushed down by the expansion anchor bolt, is embedded in the heat preservation thick liquids layer; the expansion anchor bolt comprises a plastic expansion pipe and a long steel nail, the plastic expansion pipe is composed of a long pipe body and a large circular chassis, the front end of the pipe body is an expansion section with a notch, the expansion section of the plastic expansion pipe completely penetrates through the rock wool composite board and is located in the outer wall body, the long steel nail is completely inserted into the plastic expansion pipe, and the concave surface of the metal net is pressed by the chassis of the plastic expansion pipe. The whole outer wall external insulation system directly bonds on the outer wall of building through the tie coat to squeeze into the outer wall body through the expansion anchor bolt and further consolidate it, the unsmooth type metal mesh that the outside of compound rock wool board is connected can make the heat preservation thick liquids layer be connected inseparabler with the rock wool composite sheet, has improved the intensity of heat preservation thick liquids layer self simultaneously, and the outside sets up the one deck again and presses there is alkali-resistant glass fiber net, prevents the crack of plaster mortar layer, guarantees the holistic durability of outer insulation system. The expansion anchor bolt for reinforcing connection is a plastic expansion pipe, so that the heat bridge effect of the anchor bolt can be effectively reduced, and the heat insulation effect of the system is improved.

Furthermore, the rock wool composite board comprises an inner inorganic material surface layer, a vertical fiber rock wool board layer, an inorganic material surface layer and an interfacial agent layer in sequence, wherein the inner inorganic material surface layer and the outer inorganic material surface layer are flexible cement-based coiled materials or cement mortar composite alkali-resistant gridding cloth, and the function of protecting the board core of the composite board is achieved. The rock wool composite board is an A-type rock wool composite board.

As another design, the rock wool composite board sequentially comprises an inner inorganic material surface layer, a vertical fiber rock wool board layer, an organic heat-insulating material layer, an outer inorganic material surface layer and an interface agent layer, wherein the organic heat-insulating material layer is formed by spraying polyurethane or phenolic aldehyde materials, and the inner inorganic material surface layer is a flexible cement-based coiled material or a cement mortar composite alkali-resistant mesh cloth. Or as a third design, the rock wool composite board sequentially comprises an inner inorganic material surface layer, a vertical fiber rock wool board layer, a binder layer, an organic heat-insulating material layer and an interface agent layer, wherein the organic heat-insulating material layer comprises polyphenyl boards, polyurethane boards or phenolic boards, and the inner inorganic material surface layer is a flexible cement-based coiled material or a cement mortar composite alkali-resistant mesh fabric. This two kinds of rock wool composite sheet are AB type rock wool composite sheet, and the outside of erecting the silk rock wool board has compounded organic insulation material, and further improvement the thermal insulation performance of panel has reduced the design thickness of erecting the silk rock wool board, when still can guarantee good heat preservation effect and fire behavior, further reduction the dead weight of rock wool composite sheet.

Furthermore, the expansion anchor bolts are distributed on the rock wool composite board in a quincuncial pile type alternative mode, and at least 6 expansion anchor bolts are inserted into each square meter of rock wool composite board, so that the outer wall outer heat insulation system is guaranteed to have enough connection safety after being arranged.

Furthermore, the outside of expansion anchor is equipped with many rings of barb bosss, and the outside of its expansion segment is equipped with the multichannel arch.

Further, unsmooth type metal mesh comprises the horizontal muscle of many parallels and many parallel perpendicular muscle, horizontal muscle with erect the perpendicular cross connection of muscle, unsmooth type metal mesh is the concave surface with the face of rock wool composite sheet contact, and non-contact face is the convex surface, concave surface and convex surface are buckled by horizontal muscle and are constituted, are equipped with two on every concave surface and erect the muscle, are equipped with one on every convex surface and erect the muscle.

Furthermore, the distance between two vertical ribs on the concave surface is smaller than the diameter of the chassis of the expansion anchor bolt, the distance between the two convex surfaces is larger than the diameter of the chassis of the expansion anchor bolt, the expansion anchor bolt penetrates through the middle of the two vertical ribs, and the chassis presses the vertical ribs on the two sides.

Compared with the prior art, the utility model discloses a metallic mesh rock wool composite sheet outer wall heat preservation system's of design progress part lies in, at first, the rock wool composite sheet uses perpendicular silk rock wool board as the principal ingredients, compare with other inorganic type insulation material, perpendicular silk rock wool board has that density is little, the coefficient of thermal conductivity is low, advantages such as tensile strength height, through the mechanized prefabricated production of mill, product quality is reliable and stable, simultaneously through using heat preservation thick liquids and the unsmooth type metal mesh that has good flexibility and heat storage performance in the rock wool composite sheet outside, accord with "flexible gradual change on the one hand, the anti-crack technical theory of successive layer release stress" ensures that this system has excellent anti-crack performance, on the other hand unsmooth type metal mesh's application, can be fine with heat preservation thick liquidsThe vertical shearing force of the material layer and the plastering mortar layer is transmitted to the concrete structure wall, so that the overall safety performance of each structural layer of the system is improved. In addition, the design and application of the AB type rock wool composite board can well integrate the respective advantages of an organic heat-insulating material and an inorganic heat-insulating material, the thickness of each layer of the rock wool heat-insulating layer, the organic heat-insulating layer, the inorganic material surface layer and the plastering mortar layer is controlled, and the full-bonding construction process of bonding mortar is combined, so that the condition that when the 6.7.3' building outer wall adopts the heat-insulating material to form a cavity-free heat-insulating structure body with the wall bodies on two sides in the building design fire protection Specification GB50016 can be met, and when the combustion performance of the heat-insulating material₁、B₂In the grading process, the wall bodies on the two sides of the heat-insulating material are made of non-combustible materials, and the thickness of the wall bodies is not less than 50 mm. Meanwhile, under the policy background that the requirement of energy-saving design standards is increasingly improved, the heat insulation performance of the AB type rock wool composite board can be greatly improved on the premise that the thickness of the composite board is not increased, so that the overall thickness of the rock wool composite board in engineering application is further reduced, the material cost is reduced, the self weight of a heat insulation system is reduced, and the safety and stability of the engineering quality are improved.

Drawings

FIG. 1 is a schematic structural diagram of an external wall insulation system

FIG. 2 is a schematic view of a rock wool composite panel according to an embodiment 1

FIG. 3 is a schematic structural view of a concavo-convex metal net

FIG. 4 is a schematic view of the construction of an expansion anchor

FIG. 5 is a schematic structural view of a rock wool composite board according to embodiment 2

FIG. 6 is a schematic structural view of a rock wool composite panel according to embodiment 3

Description of the reference numerals

1 bonding layer, 2 rock wool composite board layers, 3 heat preservation slurry layers, 4 finishing mortar layers, 5 finishing layers, 6 expansion anchor bolts, 7 concave-convex metal meshes, 8 external wall bodies, 21 internal inorganic material surface layers, 22 vertical-wire rock wool board layers, 23 external inorganic material surface layers, 24 organic heat preservation material layers, 25 interface agent layers, 61 plastic expansion pipes, 62 steel nails, 63 chassis, 64 barb bosses, 65 expansion sections, 71 transverse ribs, 72 vertical ribs

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1, the utility model discloses a first embodiment of heat preservation system outside metal mesh rock wool composite sheet outer wall of design, it is tie coat 1 by interior to exterior in proper order, rock wool composite sheet layer 2, heat preservation thick liquids layer 3, finish mucilage layer 4 and finish coat 5, rock wool composite sheet layer 2's the outside is hugged closely there is unsmooth type metal mesh 7, and it is fixed through expansion anchor bolt 6, unsmooth type metal mesh 7 is embedded in the heat preservation thick liquids layer completely, expansion anchor bolt 6 pierces through rock wool composite sheet 2 and tie coat 1 inserts in the outer wall body 8 of building.

The bonding layer 1 is made of bonding mortar or adhesive, is coated between the rock wool composite board 2 and the outer wall body in a point frame type or full bonding mode, and bonds the rock wool composite board 2 on the outer wall.

In this embodiment, rock wool composite board layer 2 is formed by the concatenation of rock wool composite insulation board, combines shown in fig. 2, and rock wool composite insulation board comprises interior inorganic material surface course 21 and the outer inorganic material surface course 23 of vertical filament rock wool board layer 22 and both sides thereof. Wherein the inner and outer inorganic material surface layers are flexible cement-based coiled materials or cement mortar composite alkali-resistant mesh cloth, and the thickness is about 3 mm.

The concave-convex metal net 7 is closely arranged on the outer side of the rock wool composite board layer 2, as shown in a combined view in fig. 3, the concave-convex metal net 7 is composed of a plurality of parallel transverse ribs 71 and a plurality of parallel vertical ribs 72, the transverse ribs 71 and the vertical ribs 72 are perpendicularly and crossly connected, and the whole thickness of the net body is about 5 mm. When the concave-convex metal net 7 is arranged, one surface which is in contact with the rock wool composite board layer 2 is a concave surface, the other surface is a convex surface, and the concave surface and the convex surface are formed by bending the transverse ribs 71. Two vertical ribs 72 are arranged on each concave surface, one vertical rib 72 is arranged on each convex surface, the distance between the two vertical ribs 72 of each concave surface is smaller than the diameter of the chassis 63 of the expansion anchor bolt 6, and the distance between the two adjacent convex surfaces is larger than the diameter of the chassis 63, so that the expansion anchor bolt 6 is inserted from the middle of the two vertical ribs 72 of each concave surface when the concave-convex metal net 7 is fixed, and the vertical ribs 72 on the two sides are pressed by the chassis 63.

Referring to fig. 4, the expansion anchor bolt 6 is composed of a plastic expansion pipe 61 and a long steel nail 62, the plastic expansion pipe 61 is composed of a long pipe body and a large round chassis 63, a plurality of circles of inverted-cone-shaped barb bosses 64 are arranged on the pipe body, an expansion section 65 with a notch is arranged at the front end of the pipe body, a plurality of circles of anti-skid protrusions are also arranged outside the expansion section 65, and after the expansion anchor bolt 6 penetrates through the rock wool composite board 2 and is inserted into the outer wall body, the expansion section at the front end of the expansion anchor bolt is completely immersed into the outer wall body. The steel nail 62 has the same length as the pipe body, and after the steel nail is completely inserted into the plastic expansion pipe 61, the front expansion section 65 is expanded and clamped in the wall body.

The expansion anchor bolts 6 are alternately arranged in a quincuncial pile type on the rock wool composite board 2, and the number of the expansion anchor bolts 6 on each square meter of rock wool composite board 2 is not less than 6.

The overall thickness of the heat-insulating slurry layer 3 is about 10mm, the concave-convex metal mesh 7 is completely embedded, and the outer side of the heat-insulating slurry layer is provided with a plastering mortar layer 4 pressed with a layer of alkali-resistant glass fiber mesh cloth. And a decorative layer 5 is arranged on the outer side of the plastering mortar layer 4 to carry out external decoration on the external heat insulation system, so that the wall body is attractive.

Example 2

The patent of the utility model designs a second kind of embodiment of heat preservation system outside metal mesh rock wool composite sheet outer wall, embodiment 2 lies in the structure of the rock wool composite sheet of chooseing for use with the difference of embodiment 1.

Referring to fig. 5, the rock wool composite panel of example 2 is composed of an inner inorganic material surface layer 21, a vertical-filament rock wool panel layer 22, an organic thermal insulation material layer 24, an outer inorganic material surface layer 23, and an interfacial agent layer 25 in this order. The organic heat-insulating material layer 24 is formed by spraying polyurethane or phenolic aldehyde materials on the vertical-filament rock wool board layer 22 to manufacture a heat-insulating core material, and then arranging inorganic material surface layers on two sides.

Example 3

The patent of the utility model designs a rock wool composite sheet's of metal mesh rock wool composite sheet outer wall heat preservation system third kind embodiment, it is shown to combine figure 6, and rock wool composite sheet comprises interior inorganic material surface course 21, vertical scroll rock wool sheet layer 22, organic insulation material layer 24 and interface agent layer 25 in proper order in this embodiment, and one kind in organic insulation material layer 24 optional polyphenyl board class, polyurethane board class or the phenolic aldehyde board class, pastes the connection through the gluing agent between rock wool board 22 and the organic insulation material layer 24.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.

Claims

1. The external thermal insulation system for the external wall of the metal mesh rock wool composite board is characterized in that the external thermal insulation system for the external wall sequentially comprises a bonding layer, a rock wool composite board layer, a thermal insulation slurry layer, a plastering mortar layer and a veneer layer from inside to outside, and is provided with an expansion anchor bolt which penetrates through the rock wool composite board layer and the bonding layer to be connected to the external wall body of a building, wherein the rock wool composite board layer is formed by splicing rock wool composite board rows, a concave-convex metal mesh with the thickness of 5mm is pressed on the external side of the rock wool composite board layer, and the concave-convex metal mesh is pressed by the expansion anchor bolt and is embedded in the thermal insulation slurry layer; the expansion anchor bolt comprises a plastic expansion pipe and a long steel nail, the plastic expansion pipe is composed of a long pipe body and a large circular chassis, the front end of the pipe body is an expansion section with a notch, the expansion section of the plastic expansion pipe penetrates through the rock wool composite board layer and then is completely clamped in the outer wall body, the long steel nail is completely inserted into the plastic expansion pipe, and the concave surface of the concave-convex metal net is pressed by the chassis of the plastic expansion pipe.

2. The external thermal insulation system for external wall of metal mesh rock wool composite board as claimed in claim 1, wherein said rock wool composite board is composed of an inner inorganic material surface layer, a vertical fiber rock wool board layer, an outer inorganic material surface layer and an interfacial agent layer in sequence, and alkali-resistant mesh cloth is pressed in said inner inorganic material surface layer and said outer inorganic material surface layer respectively.

3. The external thermal insulation system for the external wall of the metal mesh rock wool composite board as recited in claim 1, wherein the rock wool composite board is composed of an inner inorganic material surface layer, a vertical fiber rock wool board layer, an organic thermal insulation material layer, an outer inorganic material surface layer and an interfacial agent layer in sequence, and alkali-resistant mesh cloth is pressed in the inner inorganic material surface layer and the outer inorganic material surface layer respectively.

4. The external thermal insulation system for the external wall of the metal mesh rock wool composite board as recited in claim 1, wherein the rock wool composite board is composed of an inner inorganic material surface layer, a vertical fiber rock wool board layer, a binder layer, an organic thermal insulation material layer and an interfacial agent layer in sequence, and the inner inorganic material surface layer is pressed with alkali-resistant mesh cloth.

5. The external thermal insulation system of metal mesh rock wool composite board external wall as claimed in claim 2, 3 or 4, wherein the expansion anchor bolts are alternatively arranged on the rock wool composite board layer in a quincunx pile type, and not less than 6 expansion anchor bolts are inserted into each square meter of rock wool composite board layer.

6. The metal mesh rock wool composite board outer wall external thermal insulation system of claim 5, wherein the outside of the expansion anchor bolt is provided with a plurality of rings of barb bosses, and the outside of the expansion section is provided with a plurality of protrusions.

7. The metal mesh rock wool composite board outer wall external thermal insulation system of claim 6, wherein the concavo-convex metal mesh is composed of a plurality of parallel horizontal ribs and a plurality of parallel vertical ribs, the horizontal ribs and the vertical ribs are perpendicularly crossed and connected, the surface of the concavo-convex metal mesh contacting with the rock wool composite board layer is a concave surface, the non-contact surface is a convex surface, the concave surface and the convex surface are formed by bending the horizontal ribs, two vertical ribs are arranged on each concave surface, and one vertical rib is arranged on each convex surface.

8. The system of claim 7, wherein the distance between the two vertical ribs of the concave surface is smaller than the diameter of the chassis of the expansion anchor bolt, the distance between the two convex surfaces is larger than the diameter of the chassis of the expansion anchor bolt, the expansion anchor bolt penetrates through the middle of the two vertical ribs of the concave surface, and the chassis presses the vertical ribs on the two sides.