CN106592855A - Precast aerogel reinforced concrete sandwich thermal insulation wallboard - Google Patents
Precast aerogel reinforced concrete sandwich thermal insulation wallboard Download PDFInfo
- Publication number
- CN106592855A CN106592855A CN201611228207.XA CN201611228207A CN106592855A CN 106592855 A CN106592855 A CN 106592855A CN 201611228207 A CN201611228207 A CN 201611228207A CN 106592855 A CN106592855 A CN 106592855A
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- Prior art keywords
- reinforced concrete
- heat
- aerogel
- thermal insulation
- insulating felt
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
- E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a precast aerogel reinforced concrete sandwich thermal insulation wallboard comprising an outer reinforced concrete protective layer and an inner reinforced concrete structure layer. Aerogel thermal insulation felt is arranged between the outer reinforced concrete protective layer and the inner reinforced concrete structure layer and anchored on the inner reinforced concrete structure layer and the outer reinforced concrete protective layer correspondingly through connecting pieces. The precast aerogel reinforced concrete sandwich thermal insulation wallboard has the advantages that the thickness of the thermal insulation materials is reduced, and the construction fire prevention safety degree is improved. The precast aerogel reinforced concrete sandwich thermal insulation wallboard breaks through an existing thermal insulation wallboard technology and conforms that the modern construction industry develops towards the industrialization, environmental friendly and energy-saving direction, meanwhile, the construction usable area is increased effectively, the precast aerogel reinforced concrete sandwich thermal insulation wallboard is favorable to the country, enterprises and people, the market prospects are wide, and significant economic benefits and great social benefits are achieved.
Description
Technical field
The present invention relates to a kind of heat-insulation wall plate of building field, especially prefabricated aeroge armored concrete sandwich heat preserving wall
Plate.
Background technology
Assembled architecture is greatly developed in country and Shanghai municipal government, industry restructuring upgrading is promoted, while advocating
Building will be walked under green, energy-conservation, reduction of discharging, the background of the sustainable development of environmental protection, and Shanghai municipal government put into effect from 2016
Newly-built civil buildings all adopt assembled architecture, prefabrication and assembly construction rate to be not less than 40% within Section of Outer Ring Line, assembled architecture item
Purpose external wall preferably adopts prefabricated sandwich heat preserving wall body.Before the non-invention of this patent, generally prefabricated sandwich heat preservation main material is adopted
One in extruded polystyrene board, rock cotton board and foam cement is doing insulation main material.Even with aeroge as insulation material,
But it is different due to the material set location for using, and temperature retention time is difficult to be equal to the house life-span, midway is needed to change heat-insulation layer,
How to process and change and bring many new problems and trouble to construction and cost budgeting.Currently used insulation mostly is
Inside holding or external thermal insulation, it is difficult to accomplish the effect of sandwich heat preservation, allow heat insulation effect to be unable to reach projected life.Further, current
Heat-preserving wall, is substantially further added by heat-insulation layer on the basis of ready-made body of wall, or on cast-in-place body of wall or internal increases
Plus heat-insulation layer, though prefabricated heat-insulation wall plate has several, still there are many defects in performance.In China's cold area, due to inorganic
Insulation material cannot meet the thermal requirements in cold area, have no alternative and have from heat-insulating property is better than traditional inorganic heat insulation material
Machine material, but the material belongs to inflammable or nonflammable material, there is great potential safety hazard.Therefore, in the urgent need to inventing one
Kind thermal conductivity factor is little, heat-insulating property is high, fire-retardant coefficient is high, the prefabricated guarantor that service life is equal to building life, thickness of wall body is thin
Warm wallboard.
The content of the invention
The technical problem to be solved be provide that a kind of thermal conductivity factor is little, heat-insulating property is high, fire-retardant coefficient is high,
Service life is equal to building life, thickness of wall body is thin, efficiently prefabricated aeroge armored concrete is pressed from both sides for construction and convenient transportation
Heart heat-insulation wall plate.
Its technical problem to be solved can be implemented by the following technical programs：
A kind of prefabricated aeroge armored concrete sandwich heat preservation wallboard, including outer reinforced concrete protective layer and interior reinforcing bar be mixed
Xtah Crude Clay structure layer, is provided with aerogel heat-insulating felt, institute in the middle of the outer reinforced concrete protective layer and interior reinforced concrete structure layer
State aerogel heat-insulating felt and the outer reinforced concrete protective layer and interior reinforced concrete structure layer are anchored in respectively by connector
On.
The thickness of the outer reinforced concrete protective layer is 40-80mm, and the thickness of the interior reinforced concrete structure layer is
80-300mm, the thickness of the aerogel heat-insulating felt is 3-60mm.
The aerogel heat-insulating felt is combined by the aeroge of 35wt%-60wt% with the fibrous material of 40wt%-65wt%
Form, described aeroge is silica, alundum (Al2O3), zirconium oxide, titanium oxide, iron oxide, zinc oxide, magnesia, oxygen
Change one or more in strontium, yittrium oxide aeroge, described fibrous material is glass fibre, alumina silicate fibre, mullite fibre
One or more in dimension, basalt fibre, polyester fiber, polyacrylonitrile fibre, carbon fiber, viscose fiber.
Preferably, the aerogel heat-insulating felt is by the amorphous silicon di-oxide aeroge of 60wt%, the glass fibers of 10wt%
Peacekeeping 30wt% polyester fibers are constituted.
Preferably, the aerogel heat-insulating felt is by the amorphous silicon di-oxide aeroge of 50wt%, the glass fibers of 25wt%
Peacekeeping 25wt% polyester fibers are constituted.
Preferably, the aerogel heat-insulating felt is by the amorphous silicon di-oxide aeroge of 40wt%, the glass fibers of 40wt%
Peacekeeping 20wt% polyester fibers are constituted.
Preferably, the aerogel heat-insulating felt is by the amorphous silicon di-oxide aeroge of 35wt%, the glass fibers of 55wt%
Peacekeeping 10wt% polyester fibers are constituted.
The thermal conductivity factor of the aerogel heat-insulating felt is 0.013W/ (mK) -0.022W/ (mK).
The invention has the beneficial effects as follows：By aerogel heat-insulating felt in the middle of two-layer reinforced concrete structure layer, reach
The effect of sandwich heat preservation, makes the indoor heat insulating effect reach optimum state；Not with using it is conflicting simultaneously, this insulated wall
The insulation service life of body is most long, has been truly realized and the building same life-span；Because aerogel heat-insulating felt is than other any insulations
Material is thinner, can make thin more than the 30mm of whole heat-insulation wall plate, beneficial to transport and installation, while also increasing the actually used of house
Area；Because aerogel heat-insulating felt has anti-flammability and hydrophobicity, the flame retardant effect and waterproof effect of this heat-insulation wall plate are most
Alright.Additionally, this heat-insulation wall plate is prefabricated board, job site is installed, convenient and efficient of constructing.
Description of the drawings
Fig. 1 is the structural representation of the prefabricated aeroge armored concrete sandwich heat preservation wallboard of the present invention, in figure：Outside 1---
Reinforced concrete protective layer；Reinforced concrete structure layer in 2---；3--- aerogel heat-insulating felts；4--- connectors.
Specific embodiment
Present pre-ferred embodiments are given below in conjunction with the accompanying drawings, to describe technical scheme in detail.
Prefabricated aeroge armored concrete sandwich heat preservation wallboard of the invention as shown in Figure 1, including outer armored concrete
It is provided with the middle of protective layer 1 and interior reinforced concrete structure layer 2, outer reinforced concrete protective layer 1 and interior reinforced concrete structure layer 2
Aerogel heat-insulating felt 3, aerogel heat-insulating felt is anchored in respectively interior two-layer reinforced concrete structure layer and outer two-layer by connector 4
In reinforced concrete structure layer；The thickness of outer reinforced concrete structure layer be 40-80mm, the thickness of interior reinforced concrete structure layer
For 80-300mm, the thickness of aerogel heat-insulating felt is 3-60mm.
The embodiment of the aerogel heat-insulating felt of different compositions is given below.
Embodiment 1：
Aerogel heat-insulating felt is gathered by the amorphous silicon di-oxide aeroge of 60wt%, the glass fibre of 10wt% and 30wt%
Ester fiber is constituted, and thermal conductivity factor is 0.013W/ (mK).
Embodiment 2：
Aerogel heat-insulating felt is gathered by the amorphous silicon di-oxide aeroge of 50wt%, the glass fibre of 25wt% and 25wt%
Ester fiber is constituted, and thermal conductivity factor is 0.015W/ (mK).
Embodiment 3：
Aerogel heat-insulating felt is gathered by the amorphous silicon di-oxide aeroge of 40wt%, the glass fibre of 40wt% and 20wt%
Ester fiber is constituted.Thermal conductivity factor is 0.019W/ (mK).
Embodiment 4：
Aerogel heat-insulating felt is gathered by the amorphous silicon di-oxide aeroge of 35wt%, the glass fibre of 55wt% and 10wt%
Ester fiber is constituted.Thermal conductivity factor is 0.022W/ (mK).
It can be seen that the aerogel heat-insulating felt of embodiment 1-4 is respectively provided with relatively low thermal conductivity factor, wherein embodiment 1 has most
Low thermal conductivity factor, is optimal selection, the aerogel heat-insulating felt of above-described embodiment is used for into the heat-insulation wall plate of the present invention, by gas
Gel felt insulation has reached the effect of sandwich heat preservation in the middle of two-layer reinforced concrete structure layer, reaches indoor heat insulating effect
Optimum state is arrived；Meanwhile, the insulation service life of this heat-preserving wall is most long, has been truly realized and the building same life-span；By
It is thinner than other any insulation materials in aerogel heat-insulating felt, thin more than the 30mm of whole heat-insulation wall plate can be made, beneficial to transport and peace
Dress, while also increasing the actually used area in house；The flame retardant effect and waterproof effect of this heat-insulation wall plate is best.This
Outward, this heat-insulation wall plate is prefabricated board, and job site is installed, convenient and efficient of constructing.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, of the invention without departing from the spirit and scope of the present invention also to have various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.
Claims (8)
1. a kind of prefabricated aeroge armored concrete sandwich heat preservation wallboard, including outer reinforced concrete protective layer and interior reinforced concrete
Soil structure layer, it is characterised in that：Aeroge is provided with the middle of the outer reinforced concrete protective layer and interior reinforced concrete structure layer
Felt insulation, the aerogel heat-insulating felt is anchored in respectively the interior reinforced concrete structure layer and outer reinforced concrete by connector
On protective soil layer.
2. heat-insulation wall plate according to claim 1, it is characterised in that：The thickness of the outer reinforced concrete protective layer is
40-80mm, the thickness of the interior reinforced concrete structure layer is 80-300mm, and the thickness of the aerogel heat-insulating felt is 3-
60mm。
3. heat-insulation wall plate according to claim 1 and 2, it is characterised in that：The aerogel heat-insulating felt is by 35wt%-
The aeroge of 60wt% is composited with the fibrous material of 40wt%-65wt%, and described aeroge is silica, three oxidations
One or more in two aluminium, zirconium oxide, titanium oxide, iron oxide, zinc oxide, magnesia, strontium oxide strontia, yittrium oxide aeroge, institute
The fibrous material stated is glass fibre, alumina silicate fibre, mullite fiber, basalt fibre, polyester fiber, polyacrylonitrile fibre
One or more in dimension, carbon fiber, viscose fiber.
4. heat-insulation wall plate according to claim 3, it is characterised in that：The aerogel heat-insulating felt by 60wt% amorphous state
Aerosil, the glass fibre of 10wt% and 30wt% polyester fibers composition.
5. heat-insulation wall plate according to claim 3, it is characterised in that：The aerogel heat-insulating felt by 50wt% amorphous state
Aerosil, the glass fibre of 25wt% and 25wt% polyester fibers composition.
6. heat-insulation wall plate according to claim 3, it is characterised in that：The aerogel heat-insulating felt by 40wt% amorphous state
Aerosil, the glass fibre of 40wt% and 20wt% polyester fibers composition.
7. heat-insulation wall plate according to claim 3, it is characterised in that：The aerogel heat-insulating felt by 35wt% amorphous state
Aerosil, the glass fibre of 55wt% and 10wt% polyester fibers composition.
8. heat-insulation wall plate according to claim 1 and 2, it is characterised in that：The thermal conductivity factor of the aerogel heat-insulating felt is
0.013W/(m·K)-0.022W/(m·K)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228207.XA CN106592855A (en) | 2016-12-27 | 2016-12-27 | Precast aerogel reinforced concrete sandwich thermal insulation wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228207.XA CN106592855A (en) | 2016-12-27 | 2016-12-27 | Precast aerogel reinforced concrete sandwich thermal insulation wallboard |
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| Publication Number | Publication Date |
|---|---|
| CN106592855A true CN106592855A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611228207.XA Pending CN106592855A (en) | 2016-12-27 | 2016-12-27 | Precast aerogel reinforced concrete sandwich thermal insulation wallboard |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460992A (en) * | 2017-08-28 | 2017-12-12 | 姚攀峰 | The high fireproof thermal insulation wall board and its construction method of rigidity or varied rigid link |
| CN109537749A (en) * | 2018-02-12 | 2019-03-29 | 周印涛 | A kind of prefabricated heat-preserving wall and its insulation board |
| CN112081259A (en) * | 2020-08-08 | 2020-12-15 | 上海符立制冷设备有限公司 | Building heat insulation structure, application and installation method |
| CN112430017A (en) * | 2020-11-25 | 2021-03-02 | 北京城建九秋实混凝土有限公司 | High-performance concrete prepared from waste materials and preparation method thereof |
| CN113235806A (en) * | 2021-05-13 | 2021-08-10 | 江苏蓝圈新材料股份有限公司 | Reinforced concrete prefabricated part with enhanced plasticity and manufacturing method thereof |
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| US5606832A (en) * | 1994-04-08 | 1997-03-04 | H. K. Composites, Inc. | Connectors used in making highly insulated composite wall structures |
| GB0707676D0 (en) * | 2007-04-20 | 2007-05-30 | Parasol Panel Systems Llp | Insulating panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460992A (en) * | 2017-08-28 | 2017-12-12 | 姚攀峰 | The high fireproof thermal insulation wall board and its construction method of rigidity or varied rigid link |
| CN109537749A (en) * | 2018-02-12 | 2019-03-29 | 周印涛 | A kind of prefabricated heat-preserving wall and its insulation board |
| CN112081259A (en) * | 2020-08-08 | 2020-12-15 | 上海符立制冷设备有限公司 | Building heat insulation structure, application and installation method |
| CN112430017A (en) * | 2020-11-25 | 2021-03-02 | 北京城建九秋实混凝土有限公司 | High-performance concrete prepared from waste materials and preparation method thereof |
| CN112430017B (en) * | 2020-11-25 | 2022-03-25 | 北京城建九秋实混凝土有限公司 | High-performance concrete prepared from waste materials and preparation method thereof |
| CN113235806A (en) * | 2021-05-13 | 2021-08-10 | 江苏蓝圈新材料股份有限公司 | Reinforced concrete prefabricated part with enhanced plasticity and manufacturing method thereof |
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Application publication date: 20170426 |