CN108455974A - A kind of cover for kiln head of cement kiln castable - Google Patents

A kind of cover for kiln head of cement kiln castable Download PDF

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Publication number
CN108455974A
CN108455974A CN201711497035.0A CN201711497035A CN108455974A CN 108455974 A CN108455974 A CN 108455974A CN 201711497035 A CN201711497035 A CN 201711497035A CN 108455974 A CN108455974 A CN 108455974A
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weight
parts
aggregate
substrate material
castable
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CN201711497035.0A
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王杉杉
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Jiaxing New Building Materials Co Ltd
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Jiaxing New Building Materials Co Ltd
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Priority to CN201711497035.0A priority Critical patent/CN108455974A/en
Publication of CN108455974A publication Critical patent/CN108455974A/en
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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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • C04B35/1015—Refractories from grain sized mixtures containing refractory metal compounds other than those covered by C04B35/103 - C04B35/106
    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
    • C04B35/76—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/803—
    • 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3865—Aluminium nitrides
    • C04B2235/3869—Aluminium oxynitrides, e.g. AlON, sialon
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/428—Silicon
    • 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
    • C04B2235/50—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
    • C04B2235/5216—Inorganic
    • C04B2235/522—Oxidic
    • C04B2235/5228—Silica and alumina, including aluminosilicates, e.g. mullite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
    • C04B2235/5216—Inorganic
    • C04B2235/522—Oxidic
    • C04B2235/5236—Zirconia
    • 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
    • C04B2235/50—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
    • C04B2235/5264—Fibers characterised by the diameter of the fibers
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Products (AREA)

Abstract

The present invention relates to a kind of cover for kiln head of cement kiln castable, including aggregate and substrate material, the weight proportion of the aggregate and the substrate material is 7：3, the grain size of the aggregate is 0.2~10mm, and the grain size of the substrate material is 0.088~0.045mm；The aggregate includes the aluminium oxynitride of the magnesium titanate of 25~40 parts by weight, the titanium corundum of 28~48 parts by weight, the silicon carbide of 10~15 parts by weight, 10~16 parts by weight；The substrate material includes metal silicon powder, oxidation silica fine powder, alumina powder.The present invention selects suitable aggregate, substrate material that can form high abrasion, high thermal shock, corrosion resistant castable, even green body, good thermal shock, additive forms ductile structure, while fiber forms drawing effect, the whole thermal shock resistance for improving castable, greatly enhance its fold resistance and scour resistance simultaneously, under mal-condition at cover for kiln head of cement kiln, service life is long, and the replacement cycle is long, reduce production cost, greatly improves production efficiency.

Description

A kind of cover for kiln head of cement kiln castable
Technical field
The present invention relates to fire resisting material field, specifically a kind of cover for kiln head of cement kiln castable.
Background technology
Cover for kiln head of cement kiln spot temperature changes greatly, and wind speed is higher, and thermal current includes a large amount of tiny clinker particles, kiln hood Cover is directly washed away and is corroded by dust-laden thermal current for a long time, easily wear-resistant castable is made to fall off, existing wear-resisting currently on the market Castable, the silicon carbide mullite wear-resistant castable as disclosed in patent No. CN103819204B are at the position in use, universal There are wear-resisting properties it is not high, high temperature resistance is poor and thermal shock resistance is not strong the defects of, cause damage frequent, the service life is not It is long.In addition present rotary kiln is harsher to construction period requirement, it is desirable that short construction period, baking kiln is fast, can be put into than faster It produces and uses, just to lining body material, more stringent requirements are proposed for this, and existing castable has been difficult to meet the needs of market.Also have Structure at cover for kiln head of cement kiln is improved, to overcome drawbacks described above, one as disclosed in Patent No. CN202284700 Kind cover for kiln head of cement kiln elbow, but effect is not still notable, it is difficult to reach requirement, production efficiency is caused to be difficult to improve always.
Invention content
The purpose of the invention is to overcome existing castable refractory existing above-mentioned when cover for kiln head of cement kiln uses Defect provides a kind of cover for kiln head of cement kiln castable, uses material formula and suitable proportioning using novel, reaches high abrasion Property, corrosion resistance, also have good thermal shock resistance, condition severe at cover for kiln head of cement kiln, service life can be overcome long.
The present invention is adopted the following technical scheme that reach above-mentioned purpose：A kind of cover for kiln head of cement kiln castable, including The weight proportion of aggregate and substrate material, the aggregate and the substrate material is 7：3, the grain size of the aggregate is 0.2~10mm, institute The grain size for stating substrate material is 0.088~0.045mm；The aggregate includes the magnesium titanate of 25~40 parts by weight, 28~48 parts by weight Titanium corundum, the silicon carbide of 10~15 parts by weight, 10~16 parts by weight aluminium oxynitride；The substrate material includes that metallic silicon is micro- Powder, oxidation silica fine powder, alumina powder.
Preferably, the magnesium titanate include the magnesium titanate of 6~20% 6~10mm, 40~65% 3~6mm metatitanic acid Magnesium, 20~40% 1~3mm magnesium titanate.
Preferably, the composition of the particle size range of the titanium corundum is as follows：The titanium corundum of 5~15% 5~8mm, 30~ The titanium corundum of the titanium corundum of 55% 3~5mm, 20~45% 1~3mm.
Preferably, weight content is not less than 95% in the magnesium titanate.
Preferably, the grain size of the metal silicon powder is no more than 5 microns.
Preferably, castable further includes additive comprising mullite fiber, Zirconium oxide fibre and stainless steel fibre.
Additive is added in castable, can be ductile structure to be formed in castable body, while fiber forms drawing Effect, it is whole to improve the thermal shock resistance of castable, while greatly enhancing its fold resistance and scour resistance.
Preferably, the addition parts by weight of the additive each component are：30~45 parts of mullite fiber, Zirconium oxide fibre 15~30 parts, 20~45 parts of steel fibre.
Preferably, the additive further includes the explosion-proof fiber for having 15~25 parts.
Preferably, further including fused silica powder in the substrate material, the additive amount of the quartz glass is the matrix Expect the 1~3% of total amount.
Preferably, the content of silica is not less than 99% in the quartz glass.
By implementing above-mentioned technical proposal, the present invention selects suitable aggregate, substrate material that can form high abrasion, high fever Shake, corrosion resistant castable, even green body, good thermal shock, additive forms ductile structure, while fiber forms drawing effect It answers, it is whole to improve the thermal shock resistance of castable, while its fold resistance and scour resistance are greatly enhanced, at cover for kiln head of cement kiln Under mal-condition, service life is long, and the replacement cycle is long, reduces production cost, greatly improves production efficiency.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail.
Embodiment 1
A kind of cover for kiln head of cement kiln castable, including aggregate and substrate material, the weight proportion of the aggregate and the substrate material It is 7:3；Aggregate includes the magnesium titanate of 28 parts by weight, the titanium corundum of 45 parts by weight, the silicon carbide of 11 parts by weight and 16 parts by weight Aluminium oxynitride；Particle size range is in 0.2~10mm, and average grain diameter is in 5~6 mm.Substrate material metal silicon powder, oxidation silica fine powder, Alumina powder, particle size range is in 0.088~0.045mm, and average grain diameter is in 0.03mm.Wherein, in aggregate, magnesium titanate weight is pure ＞ 95.5% is spent, the particle size range of magnesium titanate is distributed in 1~10mm, and specific composition is：The magnesium titanate of 25% 6~10mm, 30% 3~6mm magnesium titanate, 45% 1~3mm magnesium titanate.The composition of the particle size range of titanium corundum is as follows：15% 5~8mm Titanium corundum, 30% 3~5mm titanium corundum, 55% 1~3mm titanium corundum.
Embodiment 2
A kind of cover for kiln head of cement kiln castable, including aggregate and substrate material, the weight proportion of the aggregate and the substrate material It is 7:3；Aggregate includes the magnesium titanate of 28 parts by weight, the titanium corundum of 45 parts by weight, the silicon carbide of 11 parts by weight and 15 parts by weight Aluminium oxynitride；Particle size range is in 0.2~10mm, and average grain diameter is in 5~6 mm.Substrate material metal silicon powder, oxidation silica fine powder, Alumina powder, particle size range is in 0.088~0.045mm, and average grain diameter is in 0.03mm.Wherein, in aggregate, magnesium titanate reaches 95.5%, the particle size range of magnesium titanate is distributed in 1~10mm, and specific composition is：The magnesium titanate of 25% 6~10mm, the 3 of 30%~ The magnesium titanate of the magnesium titanate of 6mm, 45% 1~3mm.The composition of the particle size range of titanium corundum is as follows：The titanium of 15% 5~8mm is rigid Beautiful, 30% 3~5mm titanium corundum, 55% 1~3mm titanium corundum.The additive include 30~45 parts of mullite fiber, 15~30 parts of Zirconium oxide fibre, 20~45 parts of steel fibre, the average diameter of fiber is between 5~10mm.
Embodiment 3
A kind of cover for kiln head of cement kiln castable, including aggregate and substrate material, the weight proportion of the aggregate and the substrate material It is 7:3；Aggregate includes the magnesium titanate of 29 parts by weight, the titanium corundum of 45 parts by weight, the silicon carbide of 10 parts by weight and 15 parts by weight Aluminium oxynitride；Particle size range is in 0.2~10mm, and average grain diameter is in 5~6 mm.Substrate material metal silicon powder, oxidation silica fine powder, Alumina powder, fused silica powder, particle size range is in 0.088~0.045mm, and average grain diameter is in 0.03mm.Wherein, in aggregate, Magnesium titanate reaches 95.5%, and the particle size range of magnesium titanate is distributed in 1~10mm, and specific composition is：The metatitanic acid of 25% 6~10mm Magnesium, 30% 3~6mm magnesium titanate, 45% 1~3mm magnesium titanate.The composition of the particle size range of titanium corundum is as follows：The 5 of 15% The titanium corundum of~8mm, the titanium corundum of 30% 3~5mm, 55% 1~3mm titanium corundum.The additive includes mullite fibre 30~45 parts of dimension, 15~30 parts of Zirconium oxide fibre, 20~45 parts of steel fibre, the average diameter of fiber is between 5~10mm.

Claims (4)

1. the weight of a kind of cover for kiln head of cement kiln castable, including aggregate and substrate material, the aggregate and the substrate material is matched Than being 7：3, the grain size of the aggregate is 0.2~10mm, and the grain size of the substrate material is 0.088~0.045mm；The aggregate packet Include the magnesium titanate of 25~40 parts by weight, the titanium corundum of 28~48 parts by weight, the silicon carbide of 10~15 parts by weight, 10~16 parts by weight Aluminium oxynitride；The substrate material includes metal silicon powder, oxidation silica fine powder, alumina powder.
2. a kind of cover for kiln head of cement kiln castable according to claim 1, which is characterized in that the magnesium titanate include 6~ The magnesium titanate of 20% 6~10mm, the magnesium titanate of 40~65% 3~6mm, 20~40% 1~3mm magnesium titanate.
3. a kind of cover for kiln head of cement kiln castable according to claim 1, which is characterized in that the grain size model of the titanium corundum The composition enclosed is as follows：The titanium corundum of 5~15% 5~8mm, the titanium corundum of 30~55% 3~5mm, 20~45% 1~3mm Titanium corundum.
4. a kind of cover for kiln head of cement kiln castable according to claim 1, which is characterized in that castable further includes addition Agent comprising mullite fiber, Zirconium oxide fibre and stainless steel fibre.
CN201711497035.0A 2017-12-31 2017-12-31 A kind of cover for kiln head of cement kiln castable Pending CN108455974A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275985A (en) * 2017-12-31 2018-07-13 嘉兴新耐建材有限公司 A kind of cement-kiln grate-cooler wall castable
CN109020584A (en) * 2018-10-16 2018-12-18 宋振亚 A kind of production method of gassing frame burner brick

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JP2004091269A (en) * 2002-08-30 2004-03-25 Rikogaku Shinkokai Fused body for multiphase ceramic, and casting and coating method therefor
CN101492303A (en) * 2009-03-09 2009-07-29 浙江锦诚耐火材料有限公司 Flame-proof pouring material special for tertiary air tube shut-off device
CN105294127A (en) * 2015-11-19 2016-02-03 长兴兴鹰新型耐火建材有限公司 Pouring material for cement kiln tertiary air duct
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CN108275985A (en) * 2017-12-31 2018-07-13 嘉兴新耐建材有限公司 A kind of cement-kiln grate-cooler wall castable

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CN101492303A (en) * 2009-03-09 2009-07-29 浙江锦诚耐火材料有限公司 Flame-proof pouring material special for tertiary air tube shut-off device
CN105294127A (en) * 2015-11-19 2016-02-03 长兴兴鹰新型耐火建材有限公司 Pouring material for cement kiln tertiary air duct
CN108129140A (en) * 2017-12-31 2018-06-08 嘉兴新耐建材有限公司 A kind of cover for kiln head of cement kiln castable
CN108275985A (en) * 2017-12-31 2018-07-13 嘉兴新耐建材有限公司 A kind of cement-kiln grate-cooler wall castable

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275985A (en) * 2017-12-31 2018-07-13 嘉兴新耐建材有限公司 A kind of cement-kiln grate-cooler wall castable
CN109020584A (en) * 2018-10-16 2018-12-18 宋振亚 A kind of production method of gassing frame burner brick
CN109020584B (en) * 2018-10-16 2021-06-25 宋振亚 Method for manufacturing fire hole brick for singeing machine

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Application publication date: 20180828