CN108975854A - A kind of steam pressure porcelain powder air entrained concrete insulation board - Google Patents
A kind of steam pressure porcelain powder air entrained concrete insulation board Download PDFInfo
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- CN108975854A CN108975854A CN201811053755.2A CN201811053755A CN108975854A CN 108975854 A CN108975854 A CN 108975854A CN 201811053755 A CN201811053755 A CN 201811053755A CN 108975854 A CN108975854 A CN 108975854A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of steam pressure porcelain powder air entrained concrete insulation boards.It is made of the component of following parts by weight: 23-50 parts of waste ceramic ground-slag, 10-15 parts of quick lime, 15-20 parts of cement, 2-4 parts of gypsum, 3-5 parts of calcium carbonate, 2-5 parts of aluminium powder, 3-6 parts of ferrosilicon powder, SiO25-8 parts, MgO2-4 parts, 40-100 parts of water.The present invention uses superfine ceramic waste residue powder, aluminium powder and ferrosilicon powder foaming agent, and adds multiple additives, it is established that superfine powder slurry is got angry forming method, and low-density 160-200kg/m is overcome3The problem of slurry pouring stability difference, forming green body, hole wall is solid, rate of closed hole is high, hole is small, hole wall is thin, hole shape is round and porous structure of uniform size, to make it have good thermal insulation property.
Description
Technical field
The invention belongs to external wall external thermal insulations, roof heat insulation technical field, and in particular to a kind of steam pressure porcelain powder aerating is mixed
Solidifying soil insulation board.
Background technique
Currently, architecture exterior wall insulating materials can be divided into organic insulation material and inorganic heat insulation material two major classes by material.Have
Machine thermal insulation material mainly has molded polystyrene foams plastics (EPS), extruded polystyrene foam material (XPS), polyurethane
(PU) and phenol formaldehyde foam (PF) etc. the advantages that, these quality of materials are light, thermal and insulating performance is good, low water absorbable, but poor heat resistance,
Easy firing, and a large amount of heat is discharged in burning, a large amount of poison gas are generated, can not only accelerate big fire spread, be also easy to
It causes casualties, therefore these materials are applied in building exterior wall heat preserving technology and have received certain limitation.Inorganic exterior wall is protected
Adiabator mainly has rock (mine) cotton, mineral wool, expanded perlite, calcium silicates etc., and such material belongs to non-automatic incombustible material.Itself is not
There are problems that fire savety, still, the problems such as generally existing intensity is low, globality poor, water absorption rate are high, freeze thawing is poor, and make
Standby complex process, production cost are higher.Therefore, exploring and study a kind of inorganic heat insulation material haveing excellent performance becomes urgently to be resolved
The problem of.
The partial size of ceramic waste residue is tiny, D50Only 11.96 μm (about 1300 mesh).It is analyzed in terms of reactivity, this is obviously
Response area can be increased, be conducive to improve SiO2Dissolution rate, accelerate SiO2With reacting for CaO, guarantor is provided for product strength
Card.But analyzed in terms of the influence prepared to material, since waste ceramic ground-slag is too thin, slurry thickening is fast, and viscosity is big, is bound to
Aluminium powder can be hindered to get angry pore-forming, it is difficult to guarantee pouring stability.The slurry pouring stability of extremely-low density poor (mould that collapses, bubbling, receipts
Contracting sinking etc.), it is difficult to molding of getting angry.
Summary of the invention
The purpose of the present invention is to provide a kind of steam pressure porcelain powder air entrained concrete insulation boards and preparation method thereof.
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: waste ceramic ground-slag 23-50
Part, 10-15 parts of quick lime, 15-20 parts of cement, 2-4 parts of gypsum, 3-5 parts of calcium carbonate, 2-5 parts of aluminium powder, 3-6 parts of ferrosilicon powder,
SiO25-8 parts, MgO2-4 parts, 40-100 parts of water.
The heat preservation board raw material further include rosin, resin, sodium alkyl benzene sulfonate, aliphatic alcohol sodium sulfate, white sugar, in calcium lignosulfonate
It is one or more kinds of；Dosage is 0.5-0.8 parts.
The heat preservation board raw material further includes surfactant, dosage 50-200g/m3；The surfactant is will be oily
Acid, polyvinyl alcohol, triethanolamine, albumen, cellulose, toluene sodium iodate and water cooperate according to a certain percentage.
The oleic acid, polyvinyl alcohol, triethanolamine, albumen, cellulose, toluene sodium iodate and water mass ratio be 1:1:1:
1:1:0.1:(3-12)。
The heat preservation board raw material further includes basalt fibre and/or wood fibre；Length is 1-2mm, dosage 100-
150g/m3。
The heat preservation board raw material further include one of waterglass, calgon, borax or more than one；Dosage is
0.05 part.
The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 23-50 parts of waste ceramic ground-slag are weighed, as siliceous raw material；10-15 parts of quick lime, as
Calcareous raw material；15-20 parts of cement, as green body reinforcing agent；2-4 parts of gypsum, as regulator；2-5 parts of aluminium powder, ferrosilicon powder 3-6
Part, it is foaming agent as mixture；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 3-5 parts of calcium carbonate are weighed, SiO2It 5-8 parts, MgO2-4 parts, is uniformly mixed, mixing is made
Material B；
(3) by mixed material A, mixed material B and 40-100 parts of water are mixed and stirred for uniformly, slurry then being injected moulding box
Middle molding；
(4) slurry injection molding is placed on the precuring room that temperature is 60-65 DEG C, humidity is 75-85%, makes slurry thickening, hardening
Form green body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1-1.3MPa is risen to 2.5-3 DEG C/min, room temperature is cooled to after constant pressure 4-8h, is made
Finished product.
The cement is 42.5# portland cement.
The gypsum is desulfurized gypsum.
The present invention uses composite aerated technology, keeps the pore-size distribution in concrete more reasonable, the hole of generation is more uniform,
More tiny, inner surface is closely knit smooth, and pore size is no more than 1mm, and inner surface does not have ordinary air-entrained concrete hole wall institute special
Some strip cracks improve the intensity of this product and frost resistance, reduce thermal conductivity and water imbibition.Using composite aerated skill
Art makees air-entrainment using aluminium powder and ferrosilicon powder mixture, and the principle is as follows:
1. water aqua type aluminium powder cream
Effect of the aluminium powder cream in air entrained concrete is chemically reacted in slurry, generate gas and formed it is tiny,
Uniform stomata makes air entrained concrete have porous structure.Aluminium belongs to active metal, reacts and is displaced in water with water
Hydrogen generates H2.Its chemical equation are as follows:
2Al+6H2O=2Al (OH)3+3H2↑
Aluminium powder is easily oxidized, and is generated alumina protective layer, is hindered aluminium powder and react with water.In alkaline environment, basic species
Matter can dissolve pellumina, and aluminium is promoted to react with water, generate spawn Al (OH)3, hinder aluminium further to react with water,
But Al (OH)3It can be dissolved in alkaline solution and generate aluminate, promote that aluminium can constantly the reaction was continued generates hydrogen with water, until aluminium
Powder runs out.
In the slurry of air entrained concrete, Ca (OH)2For alkaline matter, aluminium and reacting for water are writeable are as follows:
2Al+3Ca(OH)2+6H2O=3CaOAl2O3·6H2O+3H2↑
2. ferrosilicon powder
Effect of the ferrosilicon powder in air entrained concrete is chemically reacted in alkaline slurry, and hydrogen is generated, and is formed more
Pore structure.
FeSi2+2Ca(OH)2+3H2O=2CaSiO3+FeO+5H2↑
Compounding aluminium powder and ferrosilicon powder (fineness 5000cm by a certain percentage2/ g), two kinds of air-entrainment synergistic effects make coagulation
Pore-size distribution in soil is more reasonable, and generation hole is more uniform, more tiny, and inner surface is closely knit smooth, and pore size is no more than
1mm。
Beneficial effects of the present invention: the present invention uses superfine ceramic waste residue powder, aluminium powder and ferrosilicon powder foaming agent, and adds more
Kind of additive, it is established that superfine powder slurry is got angry forming method, and low-density 160-200kg/m is overcome3Slurry pouring stability
The problem of difference (mould that collapses, bubbling, contraction sinking etc.), forming green body, hole wall is solid, rate of closed hole is high, hole is small, hole wall is thin, Kong Xingyuan
And porous structure of uniform size, to make it have good thermal insulation property.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO26 parts, MgO3 parts, water
60 parts；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO2It 6 parts, MgO3 parts, is uniformly mixed, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Embodiment 2
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 23 parts of waste ceramic ground-slag,
10 parts of quick lime, 15 parts of cement, 2 parts of desulfurized gypsum, 3 parts of calcium carbonate, 2 parts of aluminium powder, 3 parts of ferrosilicon powder, SiO25 parts, MgO2 parts, water
40 parts；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 23 parts of waste ceramic ground-slag are weighed, as siliceous raw material；10 parts of quick lime, as calcareous original
Material；15 parts of cement, as green body reinforcing agent；2 parts of desulfurized gypsum, as regulator；2 parts of aluminium powder, 3 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 3 parts of calcium carbonate are weighed, SiO2It 5 parts, MgO2 parts, is uniformly mixed, mixed material B is made；
(3) by mixed material A, mixed material B and 40 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 60 DEG C, humidity is 75%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1MPa is risen to 2.5 DEG C/min, room temperature is cooled to after constant pressure 4h, finished product is made.
Embodiment 3
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 50 parts of waste ceramic ground-slag,
15 parts of quick lime, 20 parts of cement, 4 parts of desulfurized gypsum, 5 parts of calcium carbonate, 5 parts of aluminium powder, 6 parts of ferrosilicon powder, SiO28 parts, MgO4 parts, water
100 parts；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 50 parts of waste ceramic ground-slag are weighed, as siliceous raw material；15 parts of quick lime, as calcareous original
Material；20 parts of cement, as green body reinforcing agent；4 parts of desulfurized gypsum, as regulator；5 parts of aluminium powder, 6 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 5 parts of calcium carbonate are weighed, SiO2It 8 parts, MgO4 parts, is uniformly mixed, mixed material B is made；
(3) by mixed material A, mixed material B and 100 parts of water are mixed and stirred for uniformly, then inject slurry in moulding box
Molding；
(4) slurry injection molding is placed on the precuring room that temperature is 65 DEG C, humidity is 85%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.3MPa is risen to 3 DEG C/min, room temperature is cooled to after constant pressure 8h, finished product is made.
Embodiment 4
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO26 parts, MgO3 parts, table
0.2 part of face activating agent, 60 parts of water；The fineness of the calcium carbonate is 0.1nm；The surfactant be by oleic acid, polyvinyl alcohol,
Triethanolamine, albumen, cellulose, toluene sodium iodate and water, which are that 1:1:1:1:1:0.1:6 is uniformly mixed according to mass ratio, to be made.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO26 parts, MgO3 parts, 0.2 part of surfactant, mixing is equal
It is even, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Embodiment 5
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO2It is 6 parts, MgO3 parts, profound
0.5 part of military rock fiber, 60 parts of water；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO26 parts, MgO3 parts, 0.5 part of basalt fibre, mixing is equal
It is even, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Embodiment 6
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO26 parts, MgO3 parts, six
0.05 part of sodium metaphosphate, 60 parts of water；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO26 parts, MgO3 parts, 0.05 part of calgon, mixing is equal
It is even, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Embodiment 7
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO26 parts, MgO3 parts,
Cu2Zn(PO4)(OH)3(H2O)21 part of crystal, 60 parts of water；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO26 parts, MgO3 parts, Cu2Zn(PO4)(OH)3(H2O)2Crystal 1
Part, it is uniformly mixed, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Embodiment 8
A kind of steam pressure porcelain powder air entrained concrete insulation board, is made of the component of following parts by weight: 35 parts of waste ceramic ground-slag,
12 parts of quick lime, 18 parts of cement, 3 parts of desulfurized gypsum, 4 parts of calcium carbonate, 3 parts of aluminium powder, 4 parts of ferrosilicon powder, SiO26 parts, MgO3 parts, Cu2
(OH)PO41 part of crystal, 60 parts of water；The fineness of the calcium carbonate is 0.1nm.
The preparation method of above-mentioned steam pressure porcelain powder air entrained concrete insulation board carries out in accordance with the following steps:
(1) according to parts by weight, 35 parts of waste ceramic ground-slag are weighed, as siliceous raw material；12 parts of quick lime, as calcareous original
Material；18 parts of cement, as green body reinforcing agent；3 parts of desulfurized gypsum, as regulator；3 parts of aluminium powder, 4 parts of ferrosilicon powder, as mixing
Object is foaming agent；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 4 parts of calcium carbonate are weighed, SiO26 parts, MgO3 parts, Cu2(OH)PO41 part of crystal, mixing is equal
It is even, mixed material B is made；
(3) by mixed material A, mixed material B and 60 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 62 DEG C, humidity is 80%, and slurry thickening, hardening is made to form base
Body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, by the green body after demoulding
It is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 2.8 DEG C/min, room temperature is cooled to after constant pressure 6h, finished product is made.
Experimental example:
The requirement shaping test piece of " foam concrete " (JG/T266-2011) according to national standards tests dry density, mechanics
Performance, thermal coefficient, test result are shown in Table 1-2:
Table 1
Note: * represents P < 0.05 compared with example 1 group；**P<0.01.
As can be seen from Table 1, the dry density of embodiment 1-8 is below 200kg/m3, it is better than commercial product, wherein implement
The product of example 7 and embodiment 8 is substantially less than the dry density of embodiment 1, and the product of embodiment 4 is extremely significant dry lower than embodiment 1
Density；The thermal coefficient of embodiment 1-8 is below 0.055, is better than commercial product, and the thermal coefficient of embodiment 4-7 is substantially less than
Embodiment 1, effect is more excellent.
Table 2
Note: * represents P < 0.05 compared with example 1 group；**P<0.01.
As can be seen from Table 2, the compression strength of embodiment 5 is significantly higher than embodiment 1, and the compression strength of embodiment 7 is extremely aobvious
It writes and is higher than embodiment 1.
Claims (9)
1. a kind of steam pressure porcelain powder air entrained concrete insulation board, which is characterized in that be made of the component of following parts by weight: waste ceramic
23-50 parts of ground-slag, 10-15 parts of quick lime, 15-20 parts of cement, 2-4 parts of gypsum, 3-5 parts of calcium carbonate, 2-5 parts of aluminium powder, ferrosilicon powder
3-6 parts, SiO25-8 parts, MgO2-4 parts, 40-100 parts of water.
2. steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the heat preservation board raw material also wraps
Include one of rosin, resin, sodium alkyl benzene sulfonate, aliphatic alcohol sodium sulfate, white sugar, calcium lignosulfonate or more than one；Dosage is 0.5-
0.8 part.
3. steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the heat preservation board raw material also wraps
Include surfactant, dosage 50-200g/m3；The surfactant be by oleic acid, polyvinyl alcohol, triethanolamine, albumen,
Cellulose, toluene sodium iodate and water cooperate according to a certain percentage.
4. steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the heat preservation board raw material also wraps
Include basalt fibre and/or wood fibre；Length is 1-2mm, dosage 100-150g/m3。
5. steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the heat preservation board raw material also wraps
Include one of waterglass, calgon, borax or more than one；Dosage is 0.05 part.
6. steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the fineness of the calcium carbonate is
0.1nm。
7. the preparation method of steam pressure porcelain powder air entrained concrete insulation board described in claim 1, which is characterized in that in accordance with the following steps
It carries out:
(1) according to parts by weight, 23-50 parts of waste ceramic ground-slag are weighed, as siliceous raw material；10-15 parts of quick lime, as calcareous
Raw material；15-20 parts of cement, as green body reinforcing agent；2-4 parts of gypsum, as regulator；2-5 parts of aluminium powder, 3-6 parts of ferrosilicon powder, make
It is foaming agent for mixture；Above-mentioned material is mixed, mixed material A is made；
(2) according to parts by weight, 3-5 parts of calcium carbonate are weighed, SiO2It 5-8 parts, MgO2-4 parts, is uniformly mixed, mixed material B is made；
(3) by mixed material A, mixed material B and 40-100 parts of water are mixed and stirred for uniformly, then by slurry inject in moulding box at
Type；
(4) slurry injection molding is placed on the precuring room that temperature is 60-65 DEG C, humidity is 75-85%, forms slurry thickening, hardening
Green body；
(5) green body is split and sharp processing, makes up to apparent size requirement, demoulded, the green body after demoulding is put into
Steam press maintenance is carried out in still kettle, and 1-1.3MPa is risen to 2.5-3 DEG C/min, room temperature is cooled to after constant pressure 4-8h, finished product is made.
8. the preparation method of steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the cement
For 42.5# portland cement.
9. the preparation method of steam pressure porcelain powder air entrained concrete insulation board according to claim 1, which is characterized in that the gypsum
For desulfurized gypsum.
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