CN1167640C - Foamed glass ceramic material for wall and its production process - Google Patents
Foamed glass ceramic material for wall and its production process Download PDFInfo
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- CN1167640C CN1167640C CNB02137953XA CN02137953A CN1167640C CN 1167640 C CN1167640 C CN 1167640C CN B02137953X A CNB02137953X A CN B02137953XA CN 02137953 A CN02137953 A CN 02137953A CN 1167640 C CN1167640 C CN 1167640C
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- glass powder
- glass
- ceramic material
- flyash
- glass ceramic
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- 239000006112 glass ceramic composition Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 26
- 239000010881 fly ash Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 18
- 229910021532 Calcite Inorganic materials 0.000 claims description 15
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 13
- 235000017550 sodium carbonate Nutrition 0.000 claims description 13
- 239000010456 wollastonite Substances 0.000 claims description 13
- 229910052882 wollastonite Inorganic materials 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 229910052650 alkali feldspar Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 5
- 239000005357 flat glass Substances 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 5
- 235000013405 beer Nutrition 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 24
- 239000011494 foam glass Substances 0.000 abstract description 16
- 239000004927 clay Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000013081 microcrystal Substances 0.000 abstract 5
- 239000010883 coal ash Substances 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 16
- 239000004567 concrete Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 239000011449 brick Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 239000006063 cullet Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 239000010433 feldspar Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011381 foam concrete Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052656 albite Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001955 cumulated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010922 glass waste Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Glass Compositions (AREA)
Abstract
The present invention discloses a wall material of microcrystal foam glass. The present invention is characterized in that the wall material of microcrystal foam glass comprises glass powder, pulverized coal ash and nonmetal minerals, wherein the particle size d(0.9) of the glass powder is smaller than 130 meshes, the particle size d(0.9) of the pulverized coal ash is smaller than 120 meshes, and the particle size d(0.9) of the nonmetal minerals is smaller than 230 meshes. A preparation method of the present invention comprises: the glass powder, the pulverized coal ash and nonmetal mineral powder which are milled are mixed after water is added in, are baked after being shaped by pressing under the condition of containing water, and are fired in a kiln; the fired blanks are shaped by cutting. The present invention has the advantages that the wall material of microcrystal foam glass contains no clay, has superior performance than aeroconcrete with the same volume density, and conforms to the technological process of industrialized mass production. The pilot production of the wall material of microcrystal foam glass is performed in a factory scale, and continuous heating curve technology with constant speed of the wall material of microcrystal foam glass can be completely adapted to the requirement of industrialized continuous mass production.
Description
One, technical field
The present invention relates to a kind of materials for wall, particularly a kind of in foamed glass ceramic material for wall between devitrified glass and multicellular glass and method for making thereof on structure and the performance.
Two, background technology
In the world to the existing at least history more than 50 years of various Research of Glass-ceramics development and application, domesticly develop now existing products appearances since the eighties in 20th century.The big (〉=2700kg/m of devitrified glass volume density
3), corrosion resistant, wear-resisting, non-conductive, magnetic conduction, mechanical strength are not big, are used for non-building trade in a large number.When making the light sheet of any surface finish, be mainly used in and make decorative overlay material, cost an arm and a leg.
Multicellular glass begins to introduce and exploitation abroad since the development thirties in 20th century domestic latter stage eighties.It is a main raw material with levigate glass powder, add whipping agent, form through scorification foaming, annealing cooling processing treatment, have the separated foam structure, volume density is very little, thermal conductivity is little, normal temperature is 0.052w/m.k down, and the insulation heat insulating ability is good, but ultimate compression strength little (average 0.7Mpa), folding strength little (average 0.5Mpa), the adiabatic integral part of therefore main insulation as composite wall body material.
Three, summary of the invention
1, goal of the invention: the objective of the invention is to utilize the devitrified glass mechanical strength big, multicellular glass is light, insulation, heat insulation, advantage that sound absorption qualities is good; A kind of non-clay, sharp useless, energy-conservation crystallite foam glass environmental-friendly walling material and method for making thereof are proposed.
2, technical scheme: for achieving the above object, foamed glass ceramic material for wall of the present invention, it is characterized in that its component is glass powder, flyash and nonmetalliferous ore, the granularity d of glass powder (0.9) is less than 130 orders, the granularity d of flyash (0.9) is less than 120 orders, and the granularity d of nonmetalliferous ore (0.9) is less than 230.The total amount proportioning (weight %) of glass powder and flyash is 90-97%, and nonmetalliferous ore is 3-10%.
In the mixture of glass powder and flyash, the proportioning of main oxides (weight %) is:
SiO
0：62.43-76.80，Al
2O
3：5.41-10.55，CaO：5.43-14.89，MgO：1.64-3.75，FeO+Fe
2O
3：0.75-3.30，Na
2O+K
2O：9.20-14.95。
Described nonmetalliferous ore is alkali feldspar, silica sand, wollastonite, soda ash (Na
2CO
3) and calcite in one or more.The weight proportion of alkali feldspar (%) is 1-5%, and calcite is 1-2%, and wollastonite is 1-2%, and soda ash is 1-5%.
Described glass powder is toughened glass powder, sheet glass powder or beer bottle glass powder.
The method for making of foamed glass ceramic material for wall of the present invention is characterized in that:
1) will mix behind the glass powder, flyash and the nonmetal breeze adding water that grind;
2) contain compression moulding under the condition of moisture content, then oven dry;
3) putting into kiln fires;
4) the blank excision forming after will firing.In the 2nd step, the content of moisture content (weight %) be 6-8%. wherein in the 3rd step sintering procedure, the heat-up rate in storing is 1-5 ℃/minute, to 915-925 ℃ of cooling, rate of temperature fall is identical with temperature rise rate, naturally cooling after 400 ℃.
The main raw material of crystallite foam glass novel wall material is glass cullet, flyash, nonmetalliferous ore, it is sintered and foamed to add whipping agent through the abrasive dust mixing, make a kind of porous with separated foam structure, contain crystallite enhanced multicellular glass material, promptly in glassiness matrix, contain a kind of hyalopilitic texture that the shape wollastonite that interweaves in a large number, sodium wollastonite and folding spar needle-like crystal are formed, increased the intensity and the toughness of material.According to adding flyash, nonmetalliferous ore form and the variation of content, impel crystallite foam glass volume density, thermal conductivity, the relation of growth and decline each other takes place in mechanical strength, thereby becomes the corresponding material of construction that can be used for body of wall different piece purposes.
The raw material of crystallite foam glass mainly contains glass cullet powder and flyash, is alkali feldspar (potassium felspar sand, albite), silica sand, wollastonite, soda ash (Na secondly
2CO
3) and calcite etc.Glass cullet powder and flyash account for more than the raw material gross weight 90%wt, the granularity of glass cullet powder is advisable from d (0.9)=130～250 order, the granularity of fly ash in electric power plant is that d (0.9)=120～150 order can directly use, and other raw material granularity is d (0.9)=230～325 order.
Glass powder can be finely ground to powder with toughened glass, sheet glass and the processing of beer bottle glass waste material.Its chemical ingredients is as shown in table 1.Wherein the chemical ingredients of bottle glass changes greatly with the difference of bottle kind, when being mixed with the crystallite foam glass raw material, need be valid according to the toughened glass of successfully making product or sheet glass composition, become dosis refracta to be carried out to the branch levelling with changing other, as suitable plus-minus silica flour and alkali etc.
The various glass powder chemical ingredientss of table 1
| The sample title | Name is planted toughened glass | Sheet glass | Beer bottle glass | ||||
| SiO 2 | 69.50 | 70.88 | 69.86 | 69.90 | 70.40 | 71.37 | 68.39 |
| TiO 2 | 0.02 | 0.02 | 0.03 | 0.01 | 0.05 | 0.07 | |
| Al 2O 3 | 2.24 | 2.24 | 2.58 | 2.59 | 2.21 | 1.43 | 4.22 |
| Fe 2O 3 | 0.18 | 0.26 | 0.30 | 0.31 | T0.18 | 0.14 | T0.41 |
| FeO | 0.15 | 0.08 | 0.04 | 0.09 | |||
| MnO | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | |
| MgO | 3.47 | 3.43 | 3.57 | 3.57 | 3.35 | 3.67 | 1.96 |
| CaO | 8.49 | 8.49 | 8.27 | 8.14 | 8.19 | 7.70 | 8.08 |
| Na 2O | 11.38 | 11.15 | 11.10 | 11.38 | 13.69 | }13.98 | 13.10 |
| K 2O | 2.72 | 2.82 | 2.97 | 3.02 | 0.80 | 1.31 | |
| P 2O 5 | 0.10 | 0.10 | 0.08 | 0.07 | 0.01 | Trace | |
| Loss on ignition | 1.21 | 0.44 | 0.54 | 0.29 | 0.92 | 1.02 | |
| Summation | 99.47 | 99.92 | 99.35 | 99.38 | 99.81 | 98.29 | 98.58 |
Its granularity of fly ash in electric power plant generally can directly be used, its composition also changes to some extent with the raw coal composition, used chemical composition of PCA of the crystallite foam glass that we successfully make such as table 2 if then need successful in view of the above standard to be aligned composition with other fly ash in electric power plant, make it stdn.The flyash that manufactures a product needs whether meet environmental protection standard through radioassay in advance, because the contamination of finished product is mainly derived from the colliery.
Silica sand, alkali feldspar, calcite and soda ash Na
2CO
3In conjunction with, the synthetic glass amount in the crystallite foam glass matrix can be increased, thereby the sealed porosity quantity of product can be increased, increase the product mechanical strength.
When using silica sand, alkali feldspar, calcite and soda ash Na
2CO
3The time, reduce the content of glass powder and flyash in right amount, so that the chemical ingredients balance.The consumption of feldspar and soda ash is 1～5%, and the calcite amount is 1～2%.Be equipped with an amount of silica sand, replace the corresponding one-tenth dosis refracta of glass powder+flyash.
Table 2 chemical composition of PCA
| Sample | 2A | 3A | 4A | 5A | L-1 |
| SiO 2 | 44.84 | 45.12 | 47.74 | 47.59 | 56.01 |
| TiO 2 | 0.89 | 1.11 | 1.11 | 0.98 | |
| Al 2O 3 | 26.37 | 25.58 | 26.05 | 26.50 | 29.62 |
| Fe 2O 3 | 2.11 | 2.46 | 1.79 | 2.52 | }4.56 |
| FeO | 1.16 | 0.91 | 1.00 | 0.58 | |
| MnO | 0.02 | 0.04 | 0.04 | 0.03 | |
| MgO | 0.86 | 0.74 | 0.72 | 0.77 | 0.92 |
| CaO | 15.07 | 14.49 | 13.64 | 13.58 | 2.92 |
| Na 2O | 0.46 | 0.48 | 0.48 | 0.47 | }1.31 |
| K 2O | 0.89 | 0.96 | 0.96 | 0.93 | |
| P 2O 5 | 0.17 | 0.24 | 0.21 | 0.20 | |
| Loss on ignition | 6.48 | 7.20 | 5.69 | 5.16 | |
| Summation | 99.32 | 99.33 | 99.43 | 99.31 |
The chemical ingredients of silica sand, feldspar, calcite is as shown in table 3.
The chemical ingredients of other nonmetallic raw mineral materials of table 3
| Material name | Silica sand | Potassium felspar sand | Calcite | ||
| SiO 2 | 99.14 | 99.10 | 64.64 | 72.52 | 0.00 |
| TiO 2 | 0.02 | 0.00 | 0.00 | ||
| Al2O 3 | 0.21 | 0.21 | 13.43 | 15.21 | 0.32 |
| Fe 2O 3 | 0.00 | 0.18 | 0.09 | 0.04 | 0.03 |
| FeO | 0.04 | 0.11 | 0.07 | ||
| MnO | 0.01 | 0.02 | 0.00 | ||
| MgO | 0.00 | 0.00 | 0.10 | 0.00 | 0.20 |
| CaO | 0.00 | 0.08 | 6.51 | 0.30 | 55.52 |
| Na 2O | 0.00 | }0.36 | 2.64 | }11.22 | 0.00 |
| K 2O | 0.06 | 7.02 | 0.07 | ||
| P 2O 5 | 0.05 | 0.06 | 0.04 | ||
| Loss on ignition | 0.17 | 5.10 | 43.45 | ||
| Summation | 99.78 | 99.72 | 99.70 | ||
Soda ash also has foaming effect except that playing flux, it decomposes about 850 ℃, produces gas CO
2, its Na
2The O composition is the composition that generates newborn crystal folding spar, sodium wollastonite and newborn glass.Generation gas CO takes place to decompose at 800-920 ℃ in calcite
2So, be the main whipping agent of goods of the present invention (heating＞900 ℃), it decomposes the CaO that generates also is the composition of newborn glass.
The consumption of wollastonite is 1～2%, mainly plays short brilliant and crystallite enhanced effect.Glass powder, flyash, wollastonite, soda ash Na
2CO
3, various raw materials such as calcite or glass powder, flyash, (alkali feldspar+silica sand+soda ash), wollastonite, calcite are even through mechanically mixing, be under 6～8% the condition in water content, compression moulding, enter the kiln roasting after the drying, behind the foaming sintering, excision forming is just made the fragment of brick finished product.
By said components (can form multiple formulations) and making method, just can obtain multiple crystallite foam glass goods.Wherein light-duty and intensity is a pair of contradiction that disappears each other and rise and concern, increases flyash or (silica sand+feldspar+alkali) amount in composition, reduces the glass powder amount and then makes intensity increase, volume density increase.The crystallite foam glass Main physical character that the cumulated volume invention is obtained compares shown in table 4, table 5 with the performance of relevant materials for wall.
Table 4 little product multicellular glass materials for wall and analogous products physical and chemical performance are relatively
| The goods title | Extrudate density (kg/m 3) | Cubic compressive strength (MPa) | Folding strength (MPa) | Thermal conductivity (w/mk) | Frost resistance (15 times) | Dry shrinkage (mm/M) | Use temperature ℃ |
| Crystallite foam glass I type II type sample | 433-451 average 411 average 750 | 3.5-4.1 average 3.8 90-17.0 average 10.7 | 2.0 | 0.137-0.139 | Freeze back intensity 3.0MPa mass loss 0.7% | 0.05 | ＞900 |
| Steam-pressing aero-concrete (GB/T11968-1997) | 400 500 600 700 | On average 〉=2.0 〉=2.5-3.5 〉=3.5-5.0 〉=5.0-7.5 | 0.12 0.14 0.16 / | Freeze back 1.6MPa 2.0MPa 2.8MPa mass loss≤5.0 | 0.80 | Non-refractory | |
| Steam-pressing aero-concrete (Nanjing is built logical) | 547 | 2.7 | 0.12 | Freeze back 2.7MPa | 0.70 | ||
| Multicellular glass (materials for wall handbook 2001.6) | 130-160 | Average 0.7 | 0.052 | ＜430 | |||
| Aerating glass, multicellular glass (545) | 300-500 | 0.116-0.163 | |||||
| Foamed concrete (materials for wall handbook 2001.6) | 300-1000 | 0.7-3.5 | 0.07-0.15 | Freeze proof | 0.6-1.0 | ||
| Foamed concrete (547) | 400-800 | 0.151-0.291 | |||||
| Sintered hollow block (materials for wall handbook 2001.6) | 800-1100 | Big face 2.0-5.0 bar face 1.6-3.4 | 23 hole bricks, 0.38 25 hole brick 0.51 | ||||
| Various hollow bricks | 1000-1500 | 0.465-0.64 | |||||
| Common brick | 1800-1900 | MU10 average 10.0 | |||||
| Float stone | 1000 | 0.372 |
Table 5 foamed glass ceramic material for wall and analogous products sound-absorbing, sound-proofing properties are relatively
| Title material | Thickness cm | Sound absorption coefficient (when frequency is following Hz) | Sound insulation property | ||||||
| 125 | 250 | 500 | 1000 | 2000 | 4000 | Remarks | 100-3150Hz | ||
| Crystallite foam glass (Reverberation room method) GBJ47-83 | 5. 5 | 0.24 | 0.55 | 0.70 | 0.66 | 0.69 | 0.70 | 100-5000Hz average 0.61 | Mean transmission loss 39.1dB (wall thickness 13cm) |
| Steam-pressing aero-concrete (307) | Average 38.8-43dB (wall thickness 7.5-15cm) | ||||||||
| Brick (self finish) (551) | / | 0.02 | 0.03 | 0.04 | 0.04 | 0.05 | 0.05 | ||
| (reveal bright) (551) on the coagulation | / | 0.35 | 0.25 | 0.18 | 0.12 | 0.02 | 0.04 | ||
| Foamed cement (being close to wall) | 5 | 0.32 | 0.39 | 0.48 | 0.49 | 0.47 | 0.54 | ||
| Multicellular glass (552) | 5.3 | 0.23 | 0.69 | 0.57 | 0.46 | 0.49 | 0.55 | ||
| Plank | 2 | 0.16 | 0.15 | 0.10 | 0.10 | 0.10 | 0.10 | ||
3, beneficial effect: the present invention compared with prior art, its remarkable advantage is:
(1) do not contain any clay.Point out in country's building materials industry Tenth Five-year plan: in 170 big and medium-sized cities, use solid clay brick with the total ban of 3 years transition time.Materials for wall will be given priority to non-clay class hollow piece, concrete segment etc.Give priority to and produce 10-20 ten thousand m per year
3The air-entrained concrete building block production line is produced the sintered hollow block production line of 6,000 ten thousand above scales per year, promotes the high milliosmolarity novel process of waste residue.Even like this,, only can accomplish also that by 2005 consuming 660,000 mu in soil from the every year of calendar year 2001 drops to 460,000 mu because historical basis is too weak.Because structural clay tile also uses clay a large amount of, and national most of area can't ban use of clay solid brick.And this invention can not used clay.
(2) the gas concrete more excellent performance more identical than volume density.Mention in the Tenth Five-year plan and give priority to the autoclave aerated concrete building block production line.And the foamed glass ceramic material for wall that the present invention produced, under same volume density condition, indexs such as mechanical property are obviously better than gas concrete.Product of the present invention and gas concrete have similar purposes.The materials for wall of promptly light-duty, insulation, sound-absorbing, but performance is better.
China began to carry out gas concrete research in 1958, carried out commerical test and application in 1963, nineteen sixty-five restrains this (Siporex) company from Sweden's west wave train and introduces a complete set of technology and equipment, introduces gordian technique and equipment from Poland, Romania, Germany, Japan in succession again later on.To 1999, set up about 200 gas concrete production lines, the overall technology level is also very low up till now, and the whole prod qualification rate is not high yet, mainly is that production ultimate compression strength is the air-entrained concrete building block of 2.5Mpa～3.5Mpa.
But the product of foamed glass ceramic material for wall production ultimate compression strength 3.5Mpa～17Mpa that the present invention produces.
(3) meet the technical process of industrialized production.The present invention produces as a trial through in the plant size.Its continuously and smoothly's heating temperature curve technology adapts to the big continuously needs of producing of industrialization fully.
Four, embodiment
Embodiment 1: accounting for gross weight 90%wt above glass powder and mixture of fly ash is main raw material.The weight percentage of each oxide compound is SiO in its chemical ingredients
266.24, TiO
20.18, Al
2O
36.50, Fe
2O
30.65, FeO0.12, MnO0.01, MgO3.10, CaO9.03, Na
2O9.36, K
2O2.81, P
2O
50.10, loss on ignition 1.30, be equipped with and account for the soda ash Na of total raw material weight less than 10%wt
2CO
3, calcite and wollastonite.The granularity of feed composition is as described in the specification sheets leading portion.After mechanically mixing is even, compression moulding under the condition of water content 6-8%wt.After the oven dry, kiln-firing.Heat-up rate in kiln is 1～1.5 ℃/minute.To 915-925 ℃ of cooling, rate of temperature fall is identical with temperature rise rate, is naturally cooling after 400 ℃, all at the uniform velocity carries out automatically in kiln.60 ℃ of left and right sides kiln discharges, be cooled to room temperature and be cut into finished product.
The product salient features of present embodiment is volume density≤450kg/m
3, cubic compressive strength 3.5～4.1Mpa.
Embodiment 2: account for above glass powder of gross weight 90%wt and mixture of fly ash.Each oxide weight per-cent is respectively in its chemical ingredients: SiO
265.35, TiO
20.24, Al
2O
37.41, Fe
2O
30.62, FeO0.28, MnO0.02, MgO3.0, CaO9.28, Na
2O9.14, K
2O2.60, P
2O
50.1, loss on ignition 1.4.Be equipped with the soda ash Na that accounts for total raw material weight≤10%wt
2CO
3, calcite and wollastonite.Raw material granularity is described with the specification sheets leading portion.Through mechanically mixing evenly after, be cut into finished product as compression moulding, kiln-firing, the cooling of embodiment 1.
The salient features of present embodiment product is the five groups 15 average 750kg/M of sample volume density
3, the average 10.7Mpa of cubic compressive strength.
Claims (6)
1, a kind of foamed glass ceramic material for wall, it is characterized in that its component is glass powder, flyash and nonmetalliferous ore, the granularity d of glass powder (0.9) is less than 130 orders, and the granularity d of flyash (0.9) is less than 120 orders, and the granularity d of nonmetalliferous ore (0.9) is less than 230 orders;
Wherein: the total amount proportioning (weight %) of glass powder and flyash is 90-97%, and nonmetalliferous ore is 3-10%;
In the mixture of described glass powder and flyash, the proportioning of main oxides (weight %) is: SiO
2: 62.43-76.80, Al
2O
3: 5.41-10.55, CaO:5.43-14.89, MgO:1.64-3.75, FeO+Fe
2O
3: 0.75-3.30, Na
2O+K
2O:9.20-14.95;
Described nonmetalliferous ore is alkali feldspar, silica sand, wollastonite, soda ash (Na
2CO
3) and calcite in one or more.
2, foamed glass ceramic material for wall according to claim 1 is characterized in that the weight proportion (%) of described alkali feldspar is 1-5%, and calcite is 1-2%, and wollastonite is 1-2%, and soda ash is 1-5%.
3, foamed glass ceramic material for wall according to claim 1 is characterized in that described glass powder is toughened glass powder, sheet glass powder or beer bottle glass powder.
4, the method for making of foamed glass ceramic material for wall according to claim 1 is characterized in that:
1) will mix behind the glass powder, flyash and the nonmetal breeze adding water that grind;
2) containing compression moulding under the condition of moisture, then oven dry;
3) putting into kiln fires;
4) the blank excision forming after will firing.
5, the method for making of foamed glass ceramic material for wall according to claim 4 is characterized in that the content of moisture (weight %) is 6-8% in the 2nd step.
6, the method for making of foamed glass ceramic material for wall according to claim 4, it is characterized in that the heat-up rate in kiln is 1-5 ℃/minute, to 915-925 ℃ of cooling in the 3rd step sintering procedure, rate of temperature fall is identical with temperature rise rate, naturally cooling after 400 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN1167640C true CN1167640C (en) | 2004-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113077B (en) * | 2007-07-20 | 2010-09-01 | 内蒙古自治区建筑材料工业科学研究设计院 | Preparation method of foam glass |
| CN101928106A (en) * | 2010-08-26 | 2010-12-29 | 陕西科技大学 | High-content fly ash foam glass and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8465814B2 (en) * | 2006-03-21 | 2013-06-18 | Imerys Filtration Minerals, Inc. | High strength foam glass |
| TWI408117B (en) * | 2007-12-14 | 2013-09-11 | Sure King Invest Holdings Ltd | A light ceramic brick with foam for construction and method thereof |
| KR101081405B1 (en) * | 2010-03-05 | 2011-11-08 | 주식회사지메텍 | A ceramic composite, a porous ceramic insulator using the ceramic composite and Making method |
| CN101962266B (en) * | 2010-04-20 | 2012-09-26 | 南京理工大学 | Lightweight high-strength microcrystal ceramic insulation board and preparation method thereof |
| CN105384341A (en) * | 2015-11-12 | 2016-03-09 | 烟台大学 | Green ecological foam glass and production method thereof |
| CN106396412A (en) * | 2016-08-31 | 2017-02-15 | 望江宇花玻璃有限公司 | Perovskite-based ceramic glass containing modified fly ash and preparation process of perovskite-based ceramic glass |
| CN107324651B (en) * | 2017-06-28 | 2021-09-28 | 董道金 | Special foam glass brick for chimney anticorrosion lining and preparation method thereof |
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2002
- 2002-07-15 CN CNB02137953XA patent/CN1167640C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113077B (en) * | 2007-07-20 | 2010-09-01 | 内蒙古自治区建筑材料工业科学研究设计院 | Preparation method of foam glass |
| CN101928106A (en) * | 2010-08-26 | 2010-12-29 | 陕西科技大学 | High-content fly ash foam glass and preparation method thereof |
Also Published As
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| CN1389417A (en) | 2003-01-08 |
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