CN106284825A - A kind of lightweight self-insulating wall material and manufacture method thereof - Google Patents
A kind of lightweight self-insulating wall material and manufacture method thereof Download PDFInfo
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- CN106284825A CN106284825A CN201510301799.2A CN201510301799A CN106284825A CN 106284825 A CN106284825 A CN 106284825A CN 201510301799 A CN201510301799 A CN 201510301799A CN 106284825 A CN106284825 A CN 106284825A
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- insulating wall
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Abstract
The present invention relates to a kind of building energy conservation fire proofing material, particularly relate to a kind of lightweight self-insulating wall material and manufacture method thereof.A kind of lightweight self-insulating wall material and manufacture method thereof, described lightweight self-insulating wall material includes ceramsite board, nano hole vacuum heat-insulating shield it is compounded with in described ceramsite board, present invention utilizes the garbage mud after sewage treatment plant processes and the haydite made of industrial waste flyash is major ingredient, turn waste into wealth, decrease the consumption of cement in casting process, energy-saving and emission-reduction are made that contribution, the precoated plate pattern not only cost that fast industrialization of the present invention produces is significantly less than the product of cast in situs, and factorial praluction is also beneficial to quality control.
Description
Technical field
The present invention relates to a kind of building energy conservation fire proofing material, particularly relate to a kind of lightweight self-insulating wall material and manufacture method thereof.
Background technology
Environmental Protection in China career development and quickly, the low-carbon environment-friendly strategy that country advances at present it is also proposed requirement for building industry: on the one hand, the raw material of building materials itself is had higher requirement, it is preferred with the building materials that trade waste and house refuse can be utilized to make for raw material, its reason is that the quick industrial development of China result in storing up of a large amount of industrial solid castoff, the total amount of storing up of the large Industrial Solid Waste of China in 2015 is 27,000,000,000 tons, additionally, the Urbanization Construction of China the most also produces substantial amounts of building waste.And China's capital construction consumes the natural mineral raw of more than 16,000,000,000 tons the most every year, therefore, it is badly in need of preferably can a large amount of solid waste being converted into the innovative technology of construction material.On the other hand, the performance such as heat insulating ability etc. of building materials is had higher requirement, requires that various heat insulating wall material has also begun to development energetically according to this.Main application has two big class heat insulating wall materials in the market, one class is organic material composite board, one class is inorganic material composite board, its lightweight heat transfer coefficient of organic material composite board is low, function admirable and cheap, but this kind of sheet material also has two shortcomings: first is its performing poor when breaking out of fire, can soften under high temperature again and cause structural strength step-down, major part organic material even can at high temperature discharge toxic and harmful, there is potential safety hazard, second point is that its part environmental-protecting performance index is low, the organic material filled in composite board mostly is the material being difficult to degrade, white pollution can be caused after disassembling, the most referred to as " tearing poison open ", and it is difficult to reuse.Another kind of is exactly the composite board of inorganic, for the composite board of organic material, its structural strength is higher, it is more suitable for self-insulating wall material to use, but its heat transfer coefficient is higher for organic material composite board, and the performance indications that heat transfer coefficient heat insulating wall material just is most crucial.Prior art also has and solves the technical scheme that inorganic material composite board heat transfer coefficient is of a relatively high, if notification number is the solution proposed in CN101812877A, it is low to industrial waste utilization rate, environmental-protecting performance is the highest, the solution proposed during and for example notification number is CN102795821A, its heat transfer coefficient is of a relatively high.The most how to make one and combine above two sheet material advantage, i.e. there is relatively high structural strength, there is again extremely low heat transfer coefficient, and can efficient, low cost the most generally applicable, can in a large number fast industrialization produce, the fire prevention energy-saving self-thermal-insulation walling that the requirement of recycling economy can reuse, the problem that inventor is to be solved just can also be met.
Summary of the invention
The present invention solves the most existing heat insulating wall material, some all problems that especially composite wall material is intrinsic, and having beneficial effects such as greatly reducing wall heat transfer coefficient, minimizing carbon emission, reduction construction cost, strong advances the development of Self-insulation wall plate application in building industry.
Its concrete technical scheme is: a kind of lightweight self-insulating wall material and manufacture method thereof, and described lightweight self-insulating wall material includes ceramsite board, is compounded with nano hole vacuum heat-insulating shield in described ceramsite board, and its concrete manufacture method is as follows:
1. selecting mud and industrial flyash obtained by municipal sewage plant's process is the haydite of main material production, and described haydite density is 550kg/m ~ 850kg/m, more than cylindrical compress strength 2.5mpa, and granularity is 5mm ~ 20mm, water absorption rate ＜ 15%.Described haydite is with aluminum ground-slag, industrial flyash, desulfurated plaster, mud etc. obtained by sewage treatment plant's process are raw material and a small amount of additive baking-free ceramicite, this baking-free ceramicite is prepared by each component of following percentage by weight: the volume of aluminum ground-slag is 3 ~ 7 ‰, industrial flyash 40 ~ 70%, mud 20 ~ 50%, desulfurated plaster 5 ~ 10%, admixture dosage is 1 ~ 3%, the percentage by weight sum of the most each component is 100%, various raw materials are mixed in proportion, it is then fed into formed by balling machine, shell adding again, the haydite of gained is at normal temperatures, relative humidity about 95% maintenance is finished product in more than 7 days.Described additive is one or more in sodium silicate, sodium sulfate, aluminum sulfate salt, calcium silicates, Calx, triethanolamine.
2. in the middle of formwork erection and flat-die, lay two-layer steel wire, nano-vacuum insulation panel inserted in the middle of two-layer steel wire and fix, again with existing non-evaporating pressure ceramsite board pouring technology one-time-concreting molding, described nano-vacuum insulation panel is the nano-vacuum insulation panel that 3mm ~ 15mm is thick.A diameter of 1.6mm ~ the 1.8mm of described steel wire, and be the steel wire of non-penetrating sheet material, heat transfer coefficient is not produced big negative effect.Described non-evaporating pressure ceramsite board pouring technology is: prepare haydite concrete: its concrete component includes Binder Materials, fine aggregate, coarse aggregate, water reducer, foaming agent and water；nullWherein，The unit weight of concrete is 700～900kg/m，The consumption of Binder Materials is 300～400kg/m，Fine aggregate is the mud after industrial flyash or sewage treatment plant's process or the mixture of one or more of part industrial residue or construction waste，Its specific surface area is 200m/kg ~ 1000m/kg，Consumption is 300～600kg/m，And its consumption is not less than 30% by mass percentage，Coarse aggregate is haydite prepared during 1. above-mentioned step plays，Consumption is 500～700L/m，Water-cement ratio is 0.30～0.40，Foaming agent usage amount after mechanical foaming is 200～280L/m，Water reducer volume is the 0.1～1.2% of Binder Materials weight，Its wet body density of the haydite concrete that said method is prepared from is less than 900
kg/m³.Then the haydite concrete prepared is injected mould; vibrating mould is allowed to be covered with mould, pours the sheet material after molding and sends into airtight insulated curing room, utilizes the heat energy that in foaming process, self produces to carry out the demoulding after initial set maintenance one hour; then carry out natural curing, be finished product.Finished width is 600mm ~ 1200mm, a length of 600mm ~ 6000mm, thickness 60mm ~ 200mm.Finished product of the present invention is industry prefabricated panels, it is not necessary to cast in situs, can produce by fast industrialization in a large number, and, the draw-in groove trip mated two-by-two at edge can make product the most quickly to splice.
Present invention utilizes the garbage mud after sewage treatment plant processes and the haydite made of industrial waste flyash is major ingredient, turn waste into wealth, decrease the consumption of cement in casting process, energy-saving and emission-reduction are made that contribution, vacuum heat-insulating plate is used to pour among ceramsite board, the main performance index making sheet material is substantially improved, its heat transfer coefficient declines to a great extent relative to other like products, and, owing to the structural strength of the present invention itself is high, heat-insulating property is in the product sold in the market, more preferable using effect can be reached with thinner body of wall, the thickness of body of wall can reduce, the most not only can reduce construction intensity, also reduce cost, the present invention uses all inorganic material of material, life-span same with building itself, and repeatable utilization after disassembling.The precoated plate pattern not only cost that fast industrialization of the present invention produces is significantly less than the product of cast in situs, and factorial praluction is also beneficial to quality control.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Embodiment 1
Below in conjunction with Fig. 1, the embodiment of the present invention 1 is described in further detail:
A kind of lightweight self-insulating wall material and manufacture method thereof, described lightweight self-insulating wall material includes ceramsite board 1, is compounded with nano hole vacuum heat-insulating shield 2 in described ceramsite board 1, and its concrete manufacture method is as follows:
1. selecting mud and industrial flyash obtained by municipal sewage plant's process is the haydite of main material production, and described haydite density is 550kg/m ~ 850kg/m, more than cylindrical compress strength 2.5mpa, and granularity is 5mm ~ 20mm, water absorption rate ＜ 15%.
2. in the middle of formwork erection peace mould, lay two-layer steel wire; the nano-vacuum insulation panel 2 that 5mm is thick inserted in the middle of two-layer steel wire and fix; it is that the foam cement mix and blend that primary raw material is prepared from becomes haydite concrete by above-mentioned haydite and industrial flyash and mud again; inject mould; through natural curing, demoulding aftershaping, above-mentioned haydite concrete is that wet body density is less than 900
The haydite foaming cement concrete of kg/m.Described steel wire is the steel wire of non-penetrating sheet material, and heat transfer coefficient does not produce big negative effect.Putty can directly be made due to the characteristic of itself in the body of wall two sides of the present invention, need not paint and the most directly do the fluorocarbon-sprayed of various pattern, can also can do wallboard, roofing board and floor with two sides composite calcium silicate plate or glass mat use directly against decoration ceramic tile.During use, intermeshed by the trapezoidal draw-in groove trip of ceramsite board edge preset, and bond with Fireproof thermal insulation mortar.
Following table be the present embodiment finished product be Testing index during 90mm thickness
| Performance parameter | Testing result |
| Comprcssive strength/MPa | ≥9.2 |
| Bending strength/MPa | ≥8 |
| Tensile strength/MPa | ≥5.1 |
| Impact strength/J/m | 6.4,5 plate faces of falling ball method test impact are without through check |
| Freeze-thaw resistance | Through 25 freeze thawing, flawless, layering, bubbling |
| Coefficient of permeability | 0.10 |
| The wet rate that rises | 0.12 |
| Heat transfer coefficient (W/m .K) | 0.11 |
| Thickness cm | 9 |
| Bulk density/cm/g | 0.8 |
| Noninflammability | A level |
Embodiment 2
Below in conjunction with Fig. 1, inventive embodiments 2 is described in further detail:
A kind of lightweight self-insulating wall material and manufacture method thereof, described lightweight self-insulating wall material includes ceramsite board 1, is compounded with nano hole vacuum heat-insulating shield 2 in described ceramsite board 1, and its concrete manufacture method is as follows:
1. selecting mud and industrial flyash obtained by municipal sewage plant's process is the haydite of main material production, and described haydite density is 550kg/m ~ 900kg/m, more than cylindrical compress strength 2.5mpa, and granularity is 5mm ~ 15mm, water absorption rate ＜ 15%.
2. in the middle of formwork erection peace mould, lay two-layer steel wire; the nano-vacuum insulation panel 2 that 5mm is thick inserted in the middle of two-layer steel wire and fix; it is that the foam cement mix and blend that primary raw material is prepared from becomes haydite concrete by above-mentioned haydite and industrial flyash and mud again; inject mould; through natural curing, demoulding aftershaping, above-mentioned haydite concrete is that wet body density is less than 800
The haydite foaming cement concrete of kg/m.Described steel wire is the steel wire of non-penetrating sheet material, does not has a negative impact heat transfer coefficient.Putty can directly be made due to the characteristic of itself in the body of wall two sides of the present invention, need not paint and the most directly do the fluorocarbon-sprayed of various pattern, can also can do wallboard, roofing board and floor with two sides composite calcium silicate plate or glass mat use directly against decoration ceramic tile.During use, intermeshed by the trapezoidal draw-in groove trip of ceramsite board edge preset, and bond with Fireproof thermal insulation mortar.
Following table be the present embodiment finished product be Testing index during 120mm thickness
| Performance parameter | Testing result |
| Comprcssive strength/MPa | ≥6.1 |
| Bending strength/MPa | ≥8.2 |
| Tensile strength/MPa | ≥5.6 |
| Impact strength/J/m | 5.4,5 plate faces of falling ball method test impact are without through check |
| Freeze-thaw resistance | Through 25 freeze thawing, flawless, layering, bubbling |
| Coefficient of permeability | 0.009 |
| The wet rate that rises | 0.11 |
| Heat transfer coefficient (W/m .K) | 0.09 |
| Thickness cm | 12 |
| Bulk density/cm/g | 0.85 |
| Noninflammability | A level |
Embodiment 3
Below in conjunction with Fig. 1, the embodiment of the present invention 3 is described in further detail:
A kind of lightweight self-insulating wall material and manufacture method thereof, described lightweight self-insulating wall material includes ceramsite board 1, is compounded with nano hole vacuum heat-insulating shield 2 in described ceramsite board 1, and its concrete manufacture method is as follows:
1. selecting mud and industrial flyash obtained by municipal sewage plant's process is the haydite of main material production, and described haydite density is 550kg/m ~ 900kg/m, more than cylindrical compress strength 2.5mpa, and granularity is 5mm ~ 15mm, water absorption rate ＜ 15%.
2. in the middle of formwork erection peace mould, lay two-layer steel wire; the nano-vacuum insulation panel 2 that 5mm is thick inserted in the middle of two-layer steel wire and fix; it is that the foam cement mix and blend that primary raw material is prepared from becomes haydite concrete by above-mentioned haydite and industrial flyash and mud again; inject mould; through natural curing, demoulding aftershaping, above-mentioned haydite concrete is that wet body density is less than 700
The haydite foaming cement concrete of kg/m.Described steel wire is the steel wire of non-penetrating sheet material, does not has a negative impact heat transfer coefficient.Putty can directly be made due to the characteristic of itself in the body of wall two sides of the present invention, need not paint and the most directly do the fluorocarbon-sprayed of various pattern, can also can do wallboard, roofing board and floor with two sides composite calcium silicate plate or glass mat use directly against decoration ceramic tile.During use, intermeshed by the trapezoidal draw-in groove trip of ceramsite board edge preset, and bond with Fireproof thermal insulation mortar.
Following table be the present embodiment finished product be Testing index during 180mm thickness
| Performance parameter | Testing result |
| Comprcssive strength/MPa | ≥9.6 |
| Bending strength/MPa | ≥8.6 |
| Tensile strength/MPa | ≥5.4 |
| Impact strength/J/m | 7.2,5 plate faces of falling ball method test impact are without through check |
| Freeze-thaw resistance | Through 25 freeze thawing, flawless, layering, bubbling |
| Coefficient of permeability | 0.008 |
| The wet rate that rises | 0.10 |
| Heat transfer coefficient (W/m .K) | 0.08 |
| Thickness cm | 18 |
| Bulk density/cm/g | 0.7 |
| Noninflammability | A level |
Claims (2)
1. a lightweight self-insulating wall material and manufacture method thereof, it is characterised in that described lightweight self-insulating wall material includes ceramsite board (1), is compounded with nano hole vacuum heat-insulating shield (2) in described ceramsite board (1), and its concrete manufacture method is as follows:
1. selecting mud and industrial flyash obtained by municipal sewage plant's process is the haydite of main material production, and described haydite density is 550kg/m ~ 850kg/m, more than cylindrical compress strength 2.5mpa, and granularity is 5mm ~ 20mm, water absorption rate ＜ 15%
2. two-layer steel wire is laid in the peaceful centre of touching of formwork erection, nano-vacuum insulation panel (2) inserted in the middle of two-layer steel wire and fix, again with existing non-evaporating pressure ceramsite board pouring technology one-time-concreting molding, pour the sheet material after molding and send into airtight insulated curing room, the heat energy utilizing in foaming process self to produce carries out the demoulding after initial set maintenance one hour, then carrying out natural curing, be finished product, described nano-vacuum insulation panel (2) is the nano-vacuum insulation panel that 3mm ~ 15mm is thick.
A kind of lightweight self-insulating wall material the most according to claim 1 and manufacture method thereof, it is characterised in that described walling edge is provided with the trapezoidal draw-in groove trip matched each other, use Fireproof thermal insulation mortar bonding in described draw-in groove trip engagement process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510301799.2A CN106284825A (en) | 2015-06-05 | 2015-06-05 | A kind of lightweight self-insulating wall material and manufacture method thereof |
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|---|---|---|---|
| CN201510301799.2A CN106284825A (en) | 2015-06-05 | 2015-06-05 | A kind of lightweight self-insulating wall material and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252473A (en) * | 2018-02-27 | 2018-07-06 | 三筑工科技有限公司 | A kind of architectural concrete, assembled combined wall board and preparation method thereof |
| CN108275947A (en) * | 2018-02-11 | 2018-07-13 | 三筑工科技有限公司 | A kind of Reactive Powder Concrete, assembled combined wall board and preparation method thereof |
-
2015
- 2015-06-05 CN CN201510301799.2A patent/CN106284825A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275947A (en) * | 2018-02-11 | 2018-07-13 | 三筑工科技有限公司 | A kind of Reactive Powder Concrete, assembled combined wall board and preparation method thereof |
| CN108252473A (en) * | 2018-02-27 | 2018-07-06 | 三筑工科技有限公司 | A kind of architectural concrete, assembled combined wall board and preparation method thereof |
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Application publication date: 20170104 |