CN109761570A - A kind of thermal insulation material and preparation method thereof - Google Patents
A kind of thermal insulation material and preparation method thereof Download PDFInfo
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- CN109761570A CN109761570A CN201910055331.8A CN201910055331A CN109761570A CN 109761570 A CN109761570 A CN 109761570A CN 201910055331 A CN201910055331 A CN 201910055331A CN 109761570 A CN109761570 A CN 109761570A
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- China
- Prior art keywords
- foamed glass
- heat preservation
- air entrained
- entrained concrete
- thermal insulation
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- 239000012774 insulation material Substances 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 167
- 239000004567 concrete Substances 0.000 claims abstract description 155
- 239000000758 substrate Substances 0.000 claims abstract description 144
- 238000004321 preservation Methods 0.000 claims abstract description 108
- 230000007704 transition Effects 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000011575 calcium Substances 0.000 claims description 42
- 239000000843 powder Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 18
- 229910052791 calcium Inorganic materials 0.000 claims description 18
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 15
- 229910052602 gypsum Inorganic materials 0.000 claims description 15
- 239000010440 gypsum Substances 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 239000011505 plaster Substances 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 9
- 238000006703 hydration reaction Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 238000005187 foaming Methods 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000001238 wet grinding Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 2
- 235000019738 Limestone Nutrition 0.000 claims 1
- 239000011494 foam glass Substances 0.000 claims 1
- 239000006028 limestone Substances 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000004873 anchoring Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 229920006328 Styrofoam Polymers 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000008261 styrofoam Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 125000005372 silanol group Chemical group 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Building Environments (AREA)
Abstract
The invention belongs to building thermal insulation material technical field, specially a kind of thermal insulation material and preparation method thereof.The thermal insulation material includes air entrained concrete and foamed glass heat preservation substrate, transition zone is provided between the air entrained concrete and foamed glass heat preservation substrate, the air entrained concrete and foamed glass heat preservation substrate are combined as a whole by transition zone, at least one face of the foamed glass heat preservation substrate is connect by transition zone with air entrained concrete.The material carries out secondary response, it is kept the temperature in foamed glass and forms transition zone between substrate and air entrained concrete, material is set to form an entirety, the problems such as solving insecure traditional cementi, the connection bring of the forms such as anchoring, boundary layer, phenomena such as preventing hollowing, cracking in the application opens up a new road for external-wall heat-insulation material.
Description
Technical field
The invention belongs to building thermal insulation material technical field, specially a kind of thermal insulation material and preparation method thereof.
Background technique
Wall heat insulation material is to be remarkably improved wall insulation performance using a kind of wider building materials in building trade.Mesh
Before, as energy Saving Design of Residential Buildings standard is continuously improved, common thermal insulation material has been unable to meet setting for current energy conservation standard
Meter requires.The more extensive thermal insulation material of application is organic insulation material, inorganic heat insulation material and complex heat-preservation material in the market
Material, these thermal insulation materials differ greatly in performance.
The thermal insulation property of the organic insulation materials such as styrofoam, extruded sheet, phenolic board is than more prominent, but durability, fire line
Restrict the application of product；The inorganic heat insulation materials such as foamed cement, pearlite slab have durability, fire line, but are produced into
The reasons such as this height, intensity is low, are unable to satisfy the market demand；It is more typically that inorganic material and organic material is mutually compound in the market
Compound insulating material, can be provided simultaneously with the good thermal insulation property of organic insulation material and inorganic heat insulation material durability,
Fire line has a wide range of applications in building field, however, since there are different interfaces, the two for organic and inorganic two kinds of materials
Between combine it is insecure, phenomena such as be easy to causeing hollowing, fall off.
Application No. is 201810307923.X, in entitled " a kind of the high-efficiency insulated plate of light fire-proof and preparation method thereof "
Disclosed in state's patent of invention it is a kind of by aerated concrete panel and styrofoam etc. efficiently insulation material group at composite insulation boards, add
It is fixed between gas concrete slab and styrofoam by reinforced mesh and connector, obtained insulation board is not losing intensity
Under the premise of, strengthen the thermal insulation property of aerated concrete panel.However pass through the shape of anchoring between aerated concrete panel and styrofoam
Formula is attached, and is not connected firmly between the two, is easy hollowing, cracking when in use, is caused heat preservation to be difficult to and is built the same service life
The problem of.
Application No. is 201611169022.6, the Chinese invention of entitled " a kind of composite environment-friendly type wall heat insulation material " is special
A kind of compound insulating material is disclosed in benefit, and rubber and plastic insulation board is provided at the top of the Side fascia of aluminum silicate composite heat-insulating material
Equal organic insulation materials, are fixedly connected by viscose between the two.However, since there are different for organic, electrodeless two kinds of materials
Interface, between the two by viscose glue combine it is insecure, be easy to cause phenomena such as causing to crack, falling off, influence compound insulating material
Service life.
Technical solution
The purpose of the present invention is to solve exterior-wall heat insulation product heat insulating abilities in the prior art poor, inflammable, easy to aging, easy hollowing,
A kind of novel external wall for the problems such as the defects of cracking, providing that heat insulation effect is good and fire-retardant, durable, thoroughly solving hollowing, cracking
Heat insulating material for external and preparation method thereof.
In order to solve the above technical problems, the specific technical solution of the present invention is as follows:
A kind of thermal insulation material, it is characterised in that: keep the temperature substrate including air entrained concrete and foamed glass, the air entrained concrete and
Transition zone is provided between foamed glass heat preservation substrate, the air entrained concrete and foamed glass heat preservation substrate pass through transition zone knot
It is integrated.
Preferably, the transition zone includes hydration reaction life between air entrained concrete and foamed glass heat preservation substrate surface
At Ca5Si6O16(OH)2.8H2O and Na2Ca3Si6O16。
Preferably, at least one face of the foamed glass heat preservation substrate is connect by transition zone with air entrained concrete.
Preferably, a face of the foamed glass heat preservation substrate is connect by transition zone with air entrained concrete.
Preferably, the foamed glass, which keeps the temperature two opposite faces of substrate, is connected with air entrained concrete by transition zone.
Preferably, the upper and lower surface of the foamed glass heat preservation substrate is connected with air entrained concrete by transition zone,
His four faces are concordant with air entrained concrete or are higher than air entrained concrete.
Preferably, the foamed glass heat preservation substrate is arranged inside the air entrained concrete, the air entrained concrete
Foamed glass heat preservation substrate is fully wrapped around, and the foamed glass heat preservation substrate is provided at least one piece.
Preferably, the foamed glass heat preservation substrate is arranged inside the air entrained concrete, the foamed glass is protected
At least one face of warm substrate is exposed, and the air entrained concrete wraps up the other faces of foamed glass heat preservation substrate, described
The exposed face of foamed glass heat preservation substrate is concordant with air entrained concrete or is higher than air entrained concrete.
Preferably, the foamed glass heat preservation substrate is provided at least one layer.
Preferably, the foamed glass adiabator layer is provided with through-hole, and when being poured air entrained concrete, air entrained concrete
Through-hole on foamed glass adiabator layer forms drawknot structure.Aerated concrete layer can be enhanced by drawknot structure
Bonding strength between foamed glass adiabator layer keeps thermal insulation material overall structure more firm, effectively prevent cracking.
The steam-pressing aero-concrete density is 250-825kg/m3, compression strength 1.0-10.0MPa, thermal coefficient
Less than 0.18w/ (m.k), internal foamed glass insulation board density is less than 230 kg/m3, compression strength is greater than 0.40 MPa, thermally conductive
Coefficient is less than 0.065 w/ (m.k).
The invention also discloses the preparation methods of above-mentioned thermal insulation material, comprising the following steps: protects prefabricated foamed glass
Warm substrate is fixed in air entrained concrete production mould, is poured air entrained concrete, is carried out steam press maintenance after demoulding, make aerating coagulation
Transition zone is formed between soil and foamed glass heat preservation substrate, obtains the thermal insulation material.
The preparation method of the thermal insulation material specifically includes following processing step:
(1) fixed foamed glass keeps the temperature substrate: prefabricated foamed glass heat preservation substrate is fixed on air entrained concrete production mould
In；
(2) it is poured: each raw material of air entrained concrete is uniformly mixed, be then poured into the life for being fixed with foamed glass heat preservation substrate
It produces in mold；
(3) by the mold after step (2) casting complete, the foaming and aquation at initial stage precuring: are carried out under conditions of >=20 DEG C
Hardening, process 1.0-6.0h；
(4) demould, cut: after precuring, the fixation device of removal foamed glass heat preservation substrate is demoulded, is cut；
(5) steam press maintenance: after cutting, it is 150-220 DEG C, carries out steam pressure in the saturation hot steam of pressure 1.0-1.5MPa in temperature
Maintenance, the process >=4h obtain the thermal insulation material.
Preferably, the air entrained concrete includes the raw material of following parts by weight: 40-80 parts of CHARACTERISTICS OF TAILINGS SAND, quick lime 5-30
Part, 5-30 parts of cement, 5-20 parts of miberal powder, 3-15 parts of gypsum, 0.10-0.35 parts of aluminium powder, 1-3 parts of additive.
Preferably, the cement is 42.5 model cement of normal silicate；The miberal powder is nano level superfine miberal powder, than
Surface area >=1200m2/g；The gypsum is power plant desulfurization gypsum；The foam stabilizer and first that the additive is 1:5 by mass fraction
Base sodium metasilicate mixes.
Preferably, weighing each raw material for standby of air entrained concrete in proportion in the step (2)；By CHARACTERISTICS OF TAILINGS SAND plus water,
With ball mill wet-milling, mortar is made, fineness is that 200 mesh square hole screens tail over≤35%；After caustic lime block is crushed, with ball mill powder
Calcium lime powder, specific surface area >=200m of gained calcium lime powder is made in mill2/g；Gypsum adds water that calcium plaster, the water of calcium plaster is made
Material mass ratio is 0.35-0.65；By aluminium powder plus water, obtained aluminum paste is stirred evenly, the water material mass ratio of aluminum paste is 0.25-
0.60；Blender is added in mortar obtained, calcium plaster, is mixed, makes mixing slurry temperature at 30-70 DEG C by steam, so
Cement, calcium lime powder, miberal powder are added in blender afterwards, stirred evenly, then aluminum paste, additive are added, total slurry stirring
Then time >=15s is poured into the production mould for being fixed with foamed glass heat preservation substrate.
Beneficial effect
The present invention provides a kind of external-wall heat-insulation materials, play the function of heat preservation maintenance one under construction, both have organic guarantor
Lightweight, sound insulation, the heat insulation property of adiabator, and durability, fire line, high intensity etc. with inorganic non-metallic thermal insulation material
Advantage.The material and building same service life, thoroughly solve the problems, such as that organic insulation material service life is short.Meanwhile the material into
Row secondary response keeps the temperature in foamed glass and forms transition zone between substrate and air entrained concrete, by physical and chemical reaction, makes
The problems such as material forms an entirety, solves insecure traditional cementi, the connection bring of the forms such as anchoring, boundary layer, is answering
Phenomena such as preventing hollowing, cracking in opens up a new road for external-wall heat-insulation material.
External-wall heat-insulation material of the present invention high temperature, high pressure saturated vapor in carry out steam press maintenance, make foamed glass
Transition zone is formed between heat preservation substrate and air entrained concrete.The transition zone both included physical reactions product and also including chemical reaction
Product, by physics and chemical double action, make foamed glass heat preservation substrate be firmly combined into air entrained concrete one it is whole
Body.Firstly, there are the bubbles of multiple openings on the surface of foamed glass heat preservation substrate, when casting aerated concrete is protected in foamed glass
When the surface of warm substrate, air entrained concrete can enter in these bubbles, form connected structure, make foamed glass heat preservation substrate and aerating
Concrete combines stronger.
Secondly, foamed glass is mainly with Na2Ca3Si6O16Deng based on, steam-pressing aero-concrete is mainly with Ca5Si6O16
(OH)2.8H2The SiO of O and incomplete aquation2CaO, SiO Deng based on, in air entrained concrete2Exist with foamed glass heat preservation substrate
Hydration reaction is carried out in high temperature and pressure saturated vapor, generates Ca5Si6O16(OH)28H2O、Na2Ca3Si6O16Equal hydrated products, high temperature
The condition of high pressure makes reaction extend to transition zone, infiltrates into the surface of the two, and the formation of hydrated product makes foamed glass keep the temperature base
Material and air entrained concrete pass through chemical bonding and form entirety, greatly improve adhesion strength between the two.
The thermal insulation material technical performance that the present invention obtains is as follows:
Compression strength >=3.5MPa, volume water absorption rate≤6.0%, density 280-600kg/m3, thermal resistance value >=2.50(m2.k)/
W, oise insulation factor >=45dB, fire endurance >=3.0h, Wind-Pressure Resistance >=2000N/m2, 15 inferior quality of Frozen-thawed cycled loss≤5.0%.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 2；
Fig. 3 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 3；
Fig. 4 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 4；
Fig. 5 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 5；
Fig. 6 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 6；
Fig. 7 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 7；
Fig. 8 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 8；
Fig. 9 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 9；
Figure 10 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 10；
Figure 11 is the structural schematic diagram of thermal insulation material described in the embodiment of the present invention 11；
Figure 12 is the XRD test chart of thermal insulation material described in the embodiment of the present invention 12；
Figure 13 is the SEM test chart of thermal insulation material described in the embodiment of the present invention 12；
Figure 14 is the adhesion strength test experiments photo of thermal insulation material described in the embodiment of the present invention 12；
Figure 15 is the photo before the adhesion strength test sample test of thermal insulation material described in the embodiment of the present invention 12；
Figure 16 is the photo after the adhesion strength test sample test of thermal insulation material described in the embodiment of the present invention 12；
In Fig. 1-11: 1: air entrained concrete, 2: foamed glass keeps the temperature substrate, 3: transition zone.
Specific embodiment
Below in conjunction with the specific embodiment of the invention, technical solution of the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of high-strength insulation building block, including aerated concrete layer 1 and foamed glass keep the temperature substrate layer 2, it is described
There is transition zone 3, the foamed glass heat preservation substrate layer setting exists between aerated concrete layer and foamed glass heat preservation substrate layer
The inside of the aerated concrete layer, the aerated concrete layer is fully wrapped around by foamed glass heat preservation substrate layer, described
Foamed glass heat preservation substrate layer and aerated concrete layer are combined as a whole by transition zone.Setting inside the aerated concrete layer
There are multiple foamed glass insulating layers.
Embodiment 2
As shown in Fig. 2, a kind of high-strength insulation building block, including aerated concrete layer 1 and foamed glass keep the temperature substrate layer 2, it is described
There is transition zone 3, the foamed glass heat preservation substrate layer setting exists between aerated concrete layer and foamed glass heat preservation substrate layer
The inside of the aerated concrete layer, the aerated concrete layer is fully wrapped around by foamed glass heat preservation substrate layer, described
Foamed glass heat preservation substrate layer and aerated concrete layer are combined as a whole by transition zone.The transition zone includes air entrained concrete
Layer and foamed glass heat preservation substrate layer by layer between hydration reaction generate Ca5Si6O16(OH)28H2O and Na2Ca3Si6O16。
The aerated concrete layer is internally provided with multiple foamed glass insulating layers.Left and right inside the aerated concrete layer
Both ends are provided with foamed glass heat preservation substrate layer.The foamed glass heat preservation substrate layer of the left and right ends is symmetrical arranged.It is described
Aerated concrete layer bosom position is also equipped with foamed glass heat preservation substrate.The foamed glass in the middle position keeps the temperature base
The foamed glass heat preservation substrate that material is arranged with left and right ends is arranged on different height.
Embodiment 3
As shown in figure 3, a kind of high-strength insulation building block, including aerated concrete layer 1 and foamed glass keep the temperature substrate layer 2, it is described
There is transition zone 3, the foamed glass heat preservation substrate layer setting exists between aerated concrete layer and foamed glass heat preservation substrate layer
The inside of the aerated concrete layer, the aerated concrete layer is fully wrapped around by foamed glass heat preservation substrate layer, described
Foamed glass heat preservation substrate layer and aerated concrete layer are combined as a whole by transition zone.The transition zone includes air entrained concrete
Layer and foamed glass heat preservation substrate layer by layer between hydration reaction generate Ca5Si6O16(OH)28H2O and Na2Ca3Si6O16。
The aerated concrete layer is internally provided with multiple foamed glass insulating layers.Left and right inside the aerated concrete layer
Both ends are provided with foamed glass heat preservation substrate layer.Between the foamed glass heat preservation substrate layer of the left and right ends is on different height
Every setting.
Embodiment 4
As shown in figure 4, a kind of crack resistence composite heat insulation block, including upper layer and lower layer aerated concrete layer 1 and positioned at middle layer
Foamed glass keeps the temperature substrate 2, passes through 3 knot of transition zone between the foamed glass heat preservation substrate and upper layer and lower layer aerated concrete layer
It is integrated.The upper layer and lower layer aerated concrete layer thickness is identical.The thickness of the foamed glass heat preservation substrate and aerating are mixed
Solidifying the thickness of the layer ratio is 2:1.
Embodiment 5
As shown in figure 5, a kind of crack resistence composite heat insulation block, including three layers of aerated concrete layer 1, and be arranged in air entrained concrete
Two layers of foamed glass between layer keeps the temperature substrate layer 2, the foamed glass heat preservation substrate 2 and upper layer and lower layer aerated concrete layer 1
Between be combined as a whole by transition zone 3.
Three layers of aerated concrete layer thickness is identical.The thickness of two layers of foamed glass heat preservation substrate is identical.It is described
The thickness ratio of thickness and aerated concrete layer that foamed glass keeps the temperature substrate is 1:1.
Embodiment 6
As shown in fig. 6, a kind of crack resistence composite heat insulation block, including four layers of aerated concrete layer 1, and be arranged in air entrained concrete
Three layers of foamed glass between layer keep the temperature substrate layer 2, the foamed glass heat preservation substrate 2 and upper layer and lower layer aerated concrete layer 1
Between be combined as a whole by transition zone 3, the transition zone includes between aerated concrete layer and foamed glass heat preservation substrate layer
The Ca that hydration reaction generates5Si6O16(OH)28H2O and Na2Ca3Si6O16.Four layers of aerated concrete layer thickness is not identical.Institute
The thickness for stating three layers of foamed glass heat preservation substrate is identical.
Embodiment 7
As shown in fig. 7, a kind of multi-use architecture heat-insulating building block for outer wall, including aerated concrete layer and foamed glass keep the temperature substrate
The inside of the aerated concrete layer is arranged in layer, the foamed glass heat preservation substrate layer, and the foamed glass keeps the temperature substrate layer
Three faces it is exposed, can prevent heat bridge, the aerated concrete layer wraps up the other faces of foamed glass heat preservation substrate layer,
Be provided with transition zone between the aerated concrete layer and foamed glass heat preservation substrate layer, the foamed glass heat preservation substrate layer and
Aerated concrete layer is combined as a whole by transition zone.
The transition zone includes that aerated concrete layer and foamed glass keep the temperature hydration reaction between substrate layer surface and generate
Ca5Si6O16(OH)28H2O and Na2Ca3Si6O16.Left and right ends in the aerated concrete layer are provided with foamed glass heat preservation
Substrate layer, and foamed glass heat preservation substrate layer is spaced setting in a thickness direction.Outside the foamed glass heat preservation substrate layer
The face of dew is concordant with aerated concrete layer.
Embodiment 8
As shown in figure 8, a kind of multi-use architecture heat-insulating building block for outer wall, including aerated concrete layer and foamed glass keep the temperature substrate
The inside of the aerated concrete layer is arranged in layer, the foamed glass heat preservation substrate layer, and the foamed glass keeps the temperature substrate layer
Three faces it is exposed, can prevent heat bridge, the aerated concrete layer wraps up the other faces of foamed glass heat preservation substrate layer,
Be provided with transition zone between the aerated concrete layer and foamed glass heat preservation substrate layer, the foamed glass heat preservation substrate layer and
Aerated concrete layer is combined as a whole by transition zone.
The transition zone includes that aerated concrete layer and foamed glass keep the temperature hydration reaction between substrate layer surface and generate
Ca5Si6O16(OH)28H2O and Na2Ca3Si6O16.Left and right ends in the air entrained concrete are symmetrically arranged with foamed glass heat preservation
Substrate.Aerated concrete layer bosom position is also equipped with foamed glass insulating layer, and the foaming in the middle position
The foamed glass insulating layer that glass insulating layer is arranged with left and right ends is arranged on different height.The foamed glass keeps the temperature substrate
The exposed face of layer is concordant with aerated concrete layer.
Embodiment 9
As shown in figure 9, a kind of high-strength warming plate, including aerated concrete layer 1 and foamed glass keep the temperature substrate layer 2, the hair
The inside of the aerated concrete layer is arranged in bulb glass heat preservation substrate layer, and the aerated concrete layer protects the foamed glass
Warm substrate layer is fully wrapped around, is provided with transition zone 3, the hair between the aerated concrete layer and foamed glass heat preservation substrate layer
Bulb glass heat preservation substrate layer and aerated concrete layer are combined as a whole by transition zone.
Embodiment 10
As shown in Figure 10, a kind of insulation board preventing heat bridge, including aerated concrete layer 1 and foamed glass keep the temperature substrate layer 2,
The inside of the aerated concrete layer is arranged in the foamed glass heat preservation substrate layer, and the foamed glass heat preservation substrate layer is opposite
Two sides it is exposed, the aerated concrete layer by the foamed glass heat preservation substrate layer other faces wrap up, the aerating coagulation
Transition zone 3, the foamed glass heat preservation substrate layer and air entrained concrete are provided between soil layer and foamed glass heat preservation substrate layer
Layer is combined as a whole by transition zone.
Embodiment 11
As shown in figure 11, the foamed glass of a kind of insulation blocks, aerated concrete layer 1 and lower layer including upper layer keeps the temperature substrate layer
2, there is transition zone 3 between the aerated concrete layer and foamed glass heat preservation substrate layer, foamed glass keeps the temperature the upper of substrate layer
Side is connect by transition zone with aerated concrete layer.
Embodiment 12
A kind of thermal insulation material, including air entrained concrete and foamed glass keep the temperature substrate, the foamed glass heat preservation substrate and aerating
It is combined as a whole between concrete by transition zone.One face of the foamed glass heat preservation substrate layer is connected with by transition zone
Air entrained concrete.The air entrained concrete density is 250-825kg/m3, compression strength 1.0-10.0MPa, thermal coefficient
Less than 0.18w/ (m.k), internal foamed glass insulation board thermal coefficient is less than 0.05 w/ (m.k).The formation of the transition zone makes
Foamed glass heat preservation substrate and air entrained concrete form entirety, greatly improve adhesion strength between the two.
The air entrained concrete includes the raw material of following parts by weight: 40 parts of CHARACTERISTICS OF TAILINGS SAND, 5 parts of quick lime, 5 parts of cement, miberal powder 5
Part, 3 parts of gypsum, 0.1 part of aluminium powder, 1 part of additive.The cement is 42.5 model cement of normal silicate；The miberal powder is to receive
Meter level super finely ground slag, specific surface area >=1200m2/g；The gypsum is power plant desulfurization gypsum；The additive is by mass fraction
The foam stabilizer and sodium methyl silicate of 1:5 mixes.The surface tension of bubble chamber film can be improved in foam stabilizer, prevents stomata from destroying,
Keep stomata completely independent, sodium methyl silicate can reduce solid-liquid-gas phase surface tension, silanol group and silicate in molecule
Silicon molecule in material carries out reaction dehydration, to realize " anti-capillarity ", has hydrophobicity.
The preparation method of above-mentioned thermal insulation material, comprising the following steps:
(1) fixed foamed glass keeps the temperature substrate: prefabricated foamed glass heat preservation substrate is fixed on air entrained concrete production mould
In；
(2) it is poured: weighing each raw material for standby of air entrained concrete in proportion；Sand is made with ball mill wet-milling in CHARACTERISTICS OF TAILINGS SAND plus water
Slurry, fineness are that 200 mesh square hole screens tail over≤35%；After caustic lime block is crushed, with ball mill grinding, calcium lime powder, gained is made
Specific surface area >=200m of calcium lime powder2/g；Gypsum adds water that calcium plaster is made, and the water material mass ratio of calcium plaster is 0.35；By aluminium
Powder adds water, stirs evenly obtained aluminum paste, and the water material mass ratio of aluminum paste is 0.25；Mortar obtained, calcium plaster addition are stirred
Machine is mixed, is mixed, makes mixing slurry temperature at 30 DEG C by steam, blender then is added in cement, calcium lime powder, miberal powder
In, it stirs evenly, then aluminum paste, additive are added, total slurry stirs 15s, is then poured into and is fixed with foamed glass heat preservation
In the production mould of substrate.
(3) by the mold after step (2) casting complete, foaming and the water at initial stage precuring: are carried out under conditions of 55 DEG C
Change hardening, process 2.5h；
(4) demould, cut: after precuring, the fixation device of removal foamed glass heat preservation substrate is demoulded, is cut；
(5) steam press maintenance: after cutting, being 175 DEG C, carry out steam press maintenance in the saturation hot steam of pressure 1.2MPa in temperature, should
Process 10h obtains the thermal insulation material.
Products obtained therefrom uses XRD modern analysis, and analysis result is as shown in figure 12, and 1 is foamed glass in figure, and 2 add for steam pressure
Gas concrete, 3 be transition zone, can be seen that foamed glass mainly with amorphous state and Na from analysis result2Ca3Si6O16Deng based on,
Steam-pressing aero-concrete is mainly with Ca5Si6O16(OH)2O168H2The SiO of O and incomplete aquation2Based on, transition zone is with Ca5Si6O16
(OH)28H2O、Na2Ca3Si6O16And the SiO of incomplete aquation2Based on.
Products obtained therefrom uses SEM modern analysis means, and analysis result is as shown in figure 13, and left side is steam pressurized coagulation in figure
Soil, right side are foamed glass, and centre is the transition zone of two kinds of materials, it can be seen from the figure that steam-pressing aero-concrete is in gelling
Shape, compact structure, foamed glass are mutually overlapped with lancet structure, and there are a large amount of airtight air vents, steam-pressing aero-concrete is with glue
Based on solidifying shape, foamed glass and steam-pressing aero-concrete are firmly combined in flocculent structure for transition zone, interlaced between material,
In conjunction with densification, mutually overlapped between crystal.
The adhesion strength of product is tested, according to GB/T20473-2006, " building heat-insulating mortar adhesion strength is surveyed
Examination ", using electronic tension tester, experimentation is as shown in figure 14, and the photo before the thermal insulation material test is as shown in figure 15,
Photo after the thermal insulation material test is as shown in figure 16, and when destructive power reaches a certain level, the product plane of disruption is mixed in aerating
Solidifying Tu Chu or foamed glass are kept the temperature at substrate, and two kinds of material junctions, i.e., are not broken then at transition zone, demonstrate again that two kinds
Material passes through the transition zone that " secondary response " is formed, and forms firm combination in two kinds of storerooms, and the transition zone formed is strong
Degree is greater than air entrained concrete and foamed glass keeps the temperature substrate.
Embodiment 13
A kind of thermal insulation material, including air entrained concrete and foamed glass keep the temperature substrate, the foamed glass heat preservation substrate and aerating
Concrete is combined as a whole by transition zone.The transition zone includes aquation between air entrained concrete and foamed glass heat preservation substrate
React the Ca generated5Si6O16(OH)28H2O and Na2Ca3Si6O16.The formation of transition zone keeps foamed glass heat preservation substrate and aerating mixed
Solidifying soil forms entirety, greatly improves adhesion strength between the two.
The air entrained concrete includes the raw material of following parts by weight: 58 parts of CHARACTERISTICS OF TAILINGS SAND, 14 parts of quick lime, 13 parts of cement, mine
7 parts of powder, 4 parts of gypsum, 0.23 part of aluminium powder, 2 parts of additive.The cement is 42.5 model cement of normal silicate；The miberal powder
For nano level superfine miberal powder, specific surface area >=1200m2/g；The gypsum is power plant desulfurization gypsum；The additive is by quality point
Number is that the foam stabilizer of 1:5 and sodium methyl silicate mix.The surface tension of bubble chamber film can be improved in foam stabilizer, prevents stomata broken
It is bad, keep stomata completely independent, sodium methyl silicate can reduce solid-liquid-gas phase surface tension, silanol group and silicic acid in molecule
Silicon molecule in salt material carries out reaction dehydration, to realize " anti-capillarity ", has hydrophobicity.
The preparation method of above-mentioned thermal insulation material, comprising the following steps:
(1) it is spare that the various raw material of air entrained concrete are weighed in proportion；Mortar is made with ball mill wet-milling in CHARACTERISTICS OF TAILINGS SAND plus water,
Fineness is that 200 mesh square hole screens tail over≤15%；After caustic lime block jaw crushing crusher machine, with ball mill grinding, raw stone is made
Ashes, specific surface area >=600m2/g；Gypsum adds water that calcium plaster is made, and gypsum pulp-water material mass ratio is 0.58；By aluminium powder plus water,
Obtained aluminum paste is stirred evenly, aluminium powder pulp-water material mass ratio is 0.35；
(2) foamed glass heat preservation substrate is fixed on saddletree by drill rod hole, drill rod and foamed glass heat preservation substrate are consolidated
Fixed, foaming insulation board longitudinal pitch, horizontal spacing may be implemented in saddletree, can be realized foamed glass heat preservation substrate in a mold
Three stereoscopic localizeds；
(3) blender is added in mortar made from step (1), calcium plaster, is mixed, makes mixing slurry temperature 30 by steam
DEG C, then cement, lime, miberal powder are added in blender, stirred evenly, then aluminum paste, additive are added, total slurry stirring
45s is poured into mould vehicle.
(4) it after being poured, combines the saddletree with foamed glass heat preservation substrate with mould vehicle, foamed glass is kept the temperature into substrate
It is implanted in mould vehicle, foaming and hydration and hardening at 58 DEG C of precuring interior progress initial stage, process 2.8h；
(5) it after precuring, carries out pulling out pricker, removes the fixation device of drill rod and foamed glass；
(6) it after pulling out pricker, is demoulded, six faces are precisely cut, cutting accuracy 1.0mm；
(7) after cutting, it is 150 DEG C, carries out steam curing under the high-temperature and high-pressure conditions of pressure 1.0MPa in temperature, process 15h,
Obtain external-wall heat-insulation material.
Claims (13)
1. a kind of thermal insulation material, it is characterised in that: keep the temperature substrate, the air entrained concrete including air entrained concrete and foamed glass
Transition zone is provided between foamed glass heat preservation substrate, the air entrained concrete and foamed glass heat preservation substrate pass through transition zone
It is combined as a whole, at least one face of the foamed glass heat preservation substrate is connect by transition zone with air entrained concrete.
2. thermal insulation material according to claim 1, it is characterised in that: the transition zone includes air entrained concrete and foaming glass
Glass keeps the temperature the Ca that hydration reaction generates between substrate surface5Si6O16(OH)2.8H2O and Na2Ca3Si6O16。
3. thermal insulation material according to claim 1, it is characterised in that: a face of the foamed glass heat preservation substrate passes through
Transition zone is connect with air entrained concrete.
4. thermal insulation material according to claim 1, it is characterised in that: two opposite faces of the foamed glass heat preservation substrate
Air entrained concrete is connected with by transition zone.
5. thermal insulation material according to claim 4, it is characterised in that: the upper and lower surface of the foamed glass heat preservation substrate is logical
It crosses transition zone and is connected with air entrained concrete, other four faces are concordant with air entrained concrete or are higher than air entrained concrete.
6. thermal insulation material according to claim 1, it is characterised in that: the foamed glass heat preservation substrate setting adds described
Gas inside concrete, the air entrained concrete is fully wrapped around by foamed glass heat preservation substrate, and the foamed glass keeps the temperature base
Material is provided at least one piece.
7. thermal insulation material according to claim 1, it is characterised in that: the foamed glass heat preservation substrate setting adds described
At least one face of gas inside concrete, foamed glass heat preservation substrate is exposed, and the air entrained concrete is by the foaming glass
Glass keeps the temperature the other faces package of substrate, and the exposed face of the foamed glass heat preservation substrate is concordant with air entrained concrete or is higher than aerating
Concrete.
8. -7 any thermal insulation material according to claim 1, it is characterised in that: the foamed glass heat preservation substrate is provided with
It is at least one layer of.
9. -7 any thermal insulation material according to claim 1, it is characterised in that: the air entrained concrete is steam pressurized mixed
Solidifying soil.
10. -7 any thermal insulation material according to claim 1, it is characterised in that: the foamed glass adiabator layer is set
It is equipped with through-hole, when being poured air entrained concrete, air entrained concrete passes through the through-hole on foamed glass adiabator layer, forms drawknot knot
Structure.
11. the preparation method of any thermal insulation material of claim 1-10, it is characterised in that the following steps are included: the glass that will foam
Glass heat preservation substrate is fixed in air entrained concrete production mould, is poured air entrained concrete, is carried out steam press maintenance after demoulding, make aerating
Transition zone is formed between concrete and foamed glass heat preservation substrate surface, obtains the thermal insulation material.
12. the preparation method of thermal insulation material according to claim 11, which is characterized in that specifically include following technique step
It is rapid:
(1) fixed foamed glass keeps the temperature substrate: prefabricated foamed glass heat preservation substrate is fixed on air entrained concrete production mould
In；
(2) it is poured: each raw material of air entrained concrete is uniformly mixed, be then poured into the life for being fixed with foamed glass heat preservation substrate
It produces in mold；
(3) by the mold after step (2) casting complete, the foaming and aquation at initial stage precuring: are carried out under conditions of >=20 DEG C
Hardening；
(4) demould, cut: after precuring, the fixation device of removal foamed glass heat preservation substrate is demoulded, is cut；
(5) steam press maintenance: after cutting, it is 150-220 DEG C, carries out steam pressure in the saturation hot steam of pressure 1.0-1.5MPa in temperature
Maintenance obtains the thermal insulation material.
13. the preparation method of thermal insulation material according to claim 11, which is characterized in that the air entrained concrete include with
The raw material of lower parts by weight: 40-80 parts of CHARACTERISTICS OF TAILINGS SAND, 5-30 parts of quick lime, 5-30 parts of cement, 5-20 parts of miberal powder, 3-15 parts of gypsum, aluminium
0.10-0.35 parts of powder, 1-3 parts of additive；The additive by mass fraction be 1:5 foam stabilizer and sodium methyl silicate mixing and
At；In the step (2), each raw material for standby of air entrained concrete is weighed in proportion；By CHARACTERISTICS OF TAILINGS SAND plus water, with ball mill wet-milling,
Mortar is made, fineness is that 200 mesh square hole screens tail over≤35%；After caustic lime block is crushed, with ball mill grinding, quick lime is made
Powder, specific surface area >=200m of gained calcium lime powder2/g；Gypsum adds water that calcium plaster is made, and the water material mass ratio of calcium plaster is
0.35-0.65；By aluminium powder plus water, obtained aluminum paste is stirred evenly, the water material mass ratio of aluminum paste is 0.25-0.60；It will be made
Mortar, calcium plaster be added blender, be mixed, make mixing slurry temperature at 30-70 DEG C by steam, then by cement, life
Pulverized limestone, miberal powder are added in blender, stir evenly, then aluminum paste, additive are added, then stirring is poured into and is fixed with
Foamed glass is kept the temperature in the production mould of substrate.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203684430U (en) * | 2014-01-23 | 2014-07-02 | 山东天玉墙体材料有限公司 | Autoclaved aerated concrete heat preservation plate |
| CN104609795A (en) * | 2015-02-26 | 2015-05-13 | 青岛华联装饰工程有限公司 | Aerated concrete block and preparation method thereof |
| CN204626752U (en) * | 2015-04-24 | 2015-09-09 | 福建海源自动化机械股份有限公司 | Composite wall building block, combined wall board and construction wall |
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2019
- 2019-01-21 CN CN201910055331.8A patent/CN109761570A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203684430U (en) * | 2014-01-23 | 2014-07-02 | 山东天玉墙体材料有限公司 | Autoclaved aerated concrete heat preservation plate |
| CN104609795A (en) * | 2015-02-26 | 2015-05-13 | 青岛华联装饰工程有限公司 | Aerated concrete block and preparation method thereof |
| CN204626752U (en) * | 2015-04-24 | 2015-09-09 | 福建海源自动化机械股份有限公司 | Composite wall building block, combined wall board and construction wall |
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Application publication date: 20190517 |