CN107056313A - A kind of cement rotary kiln stove castable refractory - Google Patents
A kind of cement rotary kiln stove castable refractory Download PDFInfo
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- CN107056313A CN107056313A CN201710518513.5A CN201710518513A CN107056313A CN 107056313 A CN107056313 A CN 107056313A CN 201710518513 A CN201710518513 A CN 201710518513A CN 107056313 A CN107056313 A CN 107056313A
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- rotary kiln
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- castable refractory
- cement rotary
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- 239000004568 cement Substances 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000010451 perlite Substances 0.000 claims abstract description 9
- 235000019362 perlite Nutrition 0.000 claims abstract description 9
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000003595 mist Substances 0.000 claims abstract description 8
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 8
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- GCLGEJMYGQKIIW-UHFFFAOYSA-H Sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000007792 addition Methods 0.000 claims description 3
- 229910052839 forsterite Inorganic materials 0.000 claims 3
- YVKMMZAFUFUAAX-UHFFFAOYSA-N aluminum;tetrahydrate Chemical compound O.O.O.O.[Al] YVKMMZAFUFUAAX-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 239000012257 stirred material Substances 0.000 claims 1
- 229910052661 anorthite Inorganic materials 0.000 abstract description 8
- SMYKVLBUSSNXMV-UHFFFAOYSA-J aluminum;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3] SMYKVLBUSSNXMV-UHFFFAOYSA-J 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K Aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 229920002456 HOTAIR Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H Tricalcium phosphate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002365 multiple layer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5212—Organic
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention discloses a kind of cement rotary kiln stove castable refractory, it is characterised in that：Including following components raw material and parts by weight：1 50 55 parts of 8mm lightweights anorthite, 5 10 parts of perlite rawore, 1 10 25 parts of 0mm lightweights Bo Naite, 200 5 10 parts of mesh lightweight pyrophyllite in powder, 325 5 10 parts of mesh light-weight mullite fine powders, 5 10 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O35 10 parts of micro mist, 38 parts of aluminate cement, 0.25 5 10 parts of 1.5mm glass beads, 0.31 part of calgon, 0.3 part of explosion-proof fiber.Low heat conduction fire resisting of the present invention save castable by stirring and evenly mixing, vibrating forming, maintenance and fire step prepare, with light weight, intensity height, low thermal conductivity factor, high temperature resistant, water absorption rate is low, compactness is good the characteristics of.
Description
Technical field
The present invention relates to technical field of refractory materials, more particularly to a kind of cement rotary kiln stove castable refractory and its system
Preparation Method.
Background technology
In blast furnace, pipeline of hot air furnace etc., in order to ensure temperature of the high-temperature gas in course of conveying, to be built by laying bricks or stones in pipeline
Refractory material.In high temperature kiln in use, being the heat insulation effect of guarantee kiln, while improving inner lining of kiln service life, Chang Cai
Built by laying bricks or stones with being combined by heavy brick and lightweight refracrory, cause inner lining of kiln thermal capacity big, thermal efficiency reduction.Due to traditional lightweight
Energy-saving material has the porosity big, and water absorption rate is high, and intensity is relatively low, the defect of heat preservation and energy conservation effects difference, it is impossible to be directly used in
Working lining, it is necessary to built by laying bricks or stones with multiple layer refractory, also causes caliber increase, and this causes weight of equipment and volume increase, and material disappears
Consumption and cost increase.
The content of the invention
In view of the above-mentioned problems, the present invention is provided, a kind of light weight, intensity are high, thermal conductivity factor is low, good integrity cement is returned
Rotary kiln stove castable refractory and preparation method thereof.
To reach above-mentioned purpose, the concrete technical scheme that the present invention is used is as follows：
A kind of cement rotary kiln stove castable refractory, including following components raw material and parts by weight：Including following components raw material and
Parts by weight：50-55 parts of 1-8mm lightweight anorthites, 5-10 parts of perlite rawore, 10-25 parts of 1-0mm lightweight Bo Naite, 200 mesh
5-10 parts of lightweight pyrophyllite in powder, 325 5-10 parts of mesh light-weight mullite fine powders, 5-10 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 It is micro-
5-10 parts of powder, 3-8 parts of aluminate cement, 5-10 parts of 0.25-1.5mm glass beads, 0.31 part of calgon, explosion-proof fiber
0.3 part.
It is preferred that, the lightweight anorthite is matched somebody with somebody by particle diameter 1-3mm and 3-8mm two kinds of particles level to be formed, particle diameter 3-8mm's
Particle accounts for the 40% of lightweight anorthite gross weight.
It is preferred that, the granularity of the perlite rawore is 0-1mm.
It is preferred that, the proportion of the liquor alumini chloridi is per cubic centimeter for 1.25 grams.
It is preferred that, the explosion-proof fiber is 3 μm of diameter, length 8mm polypropylene fibre.
A kind of preparation method of cement rotary kiln stove castable refractory, comprises the following steps：By the various originals in scheme
Material adds and mixing is stirred in mixer, and the liquor alumini chloridi that addition accounts for its weight 10-12% stirs, the material note being stirred
Enter mould, vibrating forming carries out fire, temperature is incubated 4h when reaching 100 DEG C, temperature is incubated 8h when reaching 450 DEG C after maintenance 24,
It can come into operation.
Beneficial effects of the present invention are as follows：The present invention is used as base using lightweight anorthite, lightweight Bo Naite, glass bead
Body, material thermal conductivity is small, and chemical property is stable, has good repellence, good heat-insulation effect, resistant to corrosion to acid, alkali.
The present invention uses lightweight pyrophyllite in powder, light-weight mullite fine powder, silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 Micro mist, makees
For the gap between fine powder filler aggregate, aggregate surface is uneven, increases the specific surface area of the contact between fine powder so that both
With reference to closer；Using liquor alumini chloridi, alumina cement, perlite rawore, silicon powder and Al2O3 Micro mist is used as matrix conjugate
Fine powder and aggregate, are bonded together under high temperature, while can give birth at high temperature by matter by the effect of liquor alumini chloridi chemical bond
Into reaction product aluminum phosphate, the material such as calcium phosphate is firmly combined together aggregate and fine powder, promotes to blend more, so that
Improve the overall bond strength of castable；Perlite rawore therein is a kind of light material, can be expanded with temperature rise volume, can
The defect of shrinkage front change greatly is raised with temperature to change light material, light material contraction distortion will not be caused, under its high temperature
Expansion just can progressively offset the contraction of material, improve the stability of material.It has excellent property than expanded perlite
Can, one is that cost reduction need not be calcined, but expanded perlite is after calcining, will not continue to expansion, with temperature rise only meeting
Light material is caused to shrink.
The present invention is by adding the gas permeability in explosion-proof fiber raising light material under low temperature, and explosion-proof fiber is in fire process
Softening, contraction, fusing, eventually form stomata and are carbonized, and in material internal formation network stomata, open passage, can not only mitigate
Material internal stress, while the internal micropore produced can reduce thermal conductivity again, improves energy-saving effect.Therefore, whole technology is passed through
Scheme can just realize that material internal is firmly combined with, while low heat conduction can be realized, volume, which does not shrink not expanding, keeps volume steady
Fixed performance.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of kiln saves castable, including following components raw material and parts by weight with fire resisting：50 parts of 1-8mm lightweights anorthite, it is precious
10 parts of pearl rock rawore, 10 parts of 1-0mm lightweights Bo Naite, 200 5 parts of mesh lightweight pyrophyllite in powder, 325 mesh light-weight mullite fine powders 10
Part, 5 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 5 parts of micro mist, 3 parts of aluminate cement, 5 parts of 0.25-1.5mm glass beads, six is inclined
0.31 part of sodium phosphate, 0.3 part of explosion-proof fiber.
Castable is prepared as follows：Various raw materials in scheme are added mixing is stirred in mixer, addition accounts for it
The liquor alumini chloridi of weight 12% stirs, and the material injection mould being stirred, vibrating forming carries out fire after maintenance 24, temperature
Degree is incubated 4h when reaching 100 DEG C, and temperature is incubated 8h when reaching 450 DEG C, you can come into operation.
Embodiment 2
A kind of kiln saves castable, including following components raw material and parts by weight with fire resisting：55 parts of 1-8mm lightweights anorthite, it is precious
5 parts of pearl rock rawore, 10 parts of 1-0mm lightweights Bo Naite, 200 5 parts of mesh lightweight pyrophyllite in powder, 325 5 parts of mesh light-weight mullite fine powders,
5 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 5 parts of micro mist, 3 parts of aluminate cement, 5 parts of 0.25-1.5mm glass beads, six inclined phosphorus
Sour 0.31 part of sodium, 0.3 part of explosion-proof fiber.
Castable is prepared as follows：Various raw materials in scheme are added mixing is stirred in mixer, add 11%
Liquor alumini chloridi stirs, and the material injection mould being stirred, vibrating forming carries out fire, temperature reaches 100 after maintenance 24
DEG C when be incubated 4h, temperature is incubated 8h when reaching 450 DEG C, you can come into operation.
Embodiment 3
A kind of kiln saves castable, including following components raw material and parts by weight with fire resisting：53 parts of 1-8mm lightweights anorthite, it is precious
5 parts of pearl rock rawore, 10 parts of 1-0mm lightweights Bo Naite, 200 5 parts of mesh lightweight pyrophyllite in powder, 325 5 parts of mesh light-weight mullite fine powders,
5 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 5 parts of micro mist, 3 parts of aluminate cement, 5 parts of 0.25-1.5mm glass beads, six inclined phosphorus
Sour 0.31 part of sodium, 0.3 part of explosion-proof fiber.
Castable is prepared as follows：Various raw materials in scheme are added mixing is stirred in mixer, add 11%
Liquor alumini chloridi stirs, and the material injection mould being stirred, vibrating forming carries out fire, temperature reaches 100 after maintenance 24
DEG C when be incubated 4h, temperature is incubated 8h when reaching 450 DEG C, you can come into operation..
Embodiment 4
A kind of kiln saves castable, including following components raw material and parts by weight with fire resisting：52 parts of 1-8mm lightweights anorthite, it is precious
5 parts of pearl rock rawore, 10 parts of 1-0mm lightweights Bo Naite, 200 5 parts of mesh lightweight pyrophyllite in powder, 325 5 parts of mesh light-weight mullite fine powders,
5 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 5 parts of micro mist, 3 parts of aluminate cement, 5 parts of 0.25-1.5mm glass beads, six inclined phosphorus
Sour 0.31 part of sodium, 0.3 part of explosion-proof fiber.
Castable is prepared as follows：Mixing is stirred at room temperature in the raw material of above-mentioned castable, the water stirring for adding 5% is equal
Fire is carried out after material injection mould that is even, being stirred, vibrating forming, maintenance 64h, temperature is incubated 16h when reaching 110 DEG C, temperature
Degree is incubated 24h when reaching 450 DEG C, is warming up to 1300 DEG C of calcining 15h.
The preferred embodiments of the present invention are the foregoing is only, are technical performance index, bulk density below（g/cm3）, 1.6
~1.8；Cold conditions rupture strength（MPa）, 110 DEG C × 24h >=7.0；1100℃×3h≥8.0；Line changes, 800 DEG C × 24h, ±
0.1；1100 DEG C × 3h, ± 0.05；Thermal conductivity factor W/ (mK), 0.3
Embodiment is not limitation of the present invention, equivalent transformation and modification that those skilled in the art are made according to the present invention, all
Belong to protection scope of the present invention.
Claims (4)
1. a kind of cement rotary kiln stove castable refractory, it is characterised in that：Including following components raw material and parts by weight：1-8mm
50-55 parts of light forsterite, 5-10 parts of perlite rawore, 10-25 parts of 1-0mm lightweight Bo Naite, 200 mesh lightweight pyrophyllite in powder
5-10 parts, 325 5-10 parts of mesh light-weight mullite fine powders, 5-10 parts of silicon powder, the Al that 2 ~ 3 μm of particle diameter2O3 5-10 parts of micro mist, aluminic acid
3-8 parts of salt cement, 5-10 parts of 0.25-1.5mm glass beads, 0.31 part of calgon, 0.3 part of explosion-proof fiber.
2. cement rotary kiln stove castable refractory according to claim 1, it is characterised in that：The light forsterite
By particle diameter 1-3mm and 3-8mm two kinds of particles level with forming, particle diameter 3-8mm particle accounts for light forsterite gross weight
40%。
3. cement rotary kiln stove castable refractory according to claim 1, it is characterised in that：The perlite rawore
Granularity is 0-1mm.
4. according to a kind of preparation method of cement rotary kiln stove castable refractory, it is characterised in that：Comprise the following steps：Will power
Profit requires that mixing is stirred at room temperature in the raw material described in 1, and the liquor alumini chloridi that addition accounts for its gross weight 10-12% stirs, is stirred
Material injection mould, vibrating forming, maintenance 24 after carry out fire, temperature is incubated 4h when reaching 100 DEG C, temperature reaches 450 DEG C
Shi Baowen 8h, you can come into operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518513.5A CN107056313A (en) | 2017-06-30 | 2017-06-30 | A kind of cement rotary kiln stove castable refractory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518513.5A CN107056313A (en) | 2017-06-30 | 2017-06-30 | A kind of cement rotary kiln stove castable refractory |
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| CN107226704A (en) * | 2017-06-30 | 2017-10-03 | 张静芬 | A kind of kiln saves castable with fire resisting |
| CN108214871A (en) * | 2017-12-29 | 2018-06-29 | 邯郸金隅太行水泥有限责任公司 | The casting of the vertical ladder casting mold of rotary kiln burner and the application mold |
| CN112028610A (en) * | 2020-09-18 | 2020-12-04 | 山东鲁阳浩特高技术纤维有限公司 | Anorthite light refractory material not prone to cracking and preparation method thereof |
| CN115124354A (en) * | 2022-04-25 | 2022-09-30 | 北京华圻艺术科技有限公司 | Raw material preparation method for ceramic preparation and ceramic preparation method |
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| CN107226704A (en) * | 2017-06-30 | 2017-10-03 | 张静芬 | A kind of kiln saves castable with fire resisting |
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| CN112028610A (en) * | 2020-09-18 | 2020-12-04 | 山东鲁阳浩特高技术纤维有限公司 | Anorthite light refractory material not prone to cracking and preparation method thereof |
| CN115124354A (en) * | 2022-04-25 | 2022-09-30 | 北京华圻艺术科技有限公司 | Raw material preparation method for ceramic preparation and ceramic preparation method |
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