KR100655164B1 - 분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 - Google Patents
분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 Download PDFInfo
- Publication number
- KR100655164B1 KR100655164B1 KR1020040032239A KR20040032239A KR100655164B1 KR 100655164 B1 KR100655164 B1 KR 100655164B1 KR 1020040032239 A KR1020040032239 A KR 1020040032239A KR 20040032239 A KR20040032239 A KR 20040032239A KR 100655164 B1 KR100655164 B1 KR 100655164B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- iron ore
- bed reduction
- reduction furnace
- fluidized
- Prior art date
Links
Images
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
- 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
- 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
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62665—Flame, plasma or melting treatment
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/20—Retarders
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/20—Retarders
- C04B2103/24—Hardening retarders
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
-
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
-
- 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
- C04B2235/44—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
-
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/449—Organic acids, e.g. EDTA, citrate, acetate, oxalate
-
- 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
- C04B2235/5212—Organic
-
- 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
- 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
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/5463—Particle size distributions
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
-
- 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
- C04B2235/70—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
-
- 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
- C04B2235/70—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
-
- 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
- C04B2235/70—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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
-
- 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
- C04B2235/70—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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Ceramic Products (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
비교예 | 실 시 예 | 비교예 | ||||||
1 | 2 | 1 | 2 | 3 | 4 | 3 | ||
소결 알루미나 | 10-1mm | 40 | ||||||
1mm이하 | 33 | |||||||
용융 알루미나 | 10-1mm | 52 | 53 | 56 | 58 | 59 | 60 | |
1mm이하 | 17 | 17 | 19.5 | 19.5 | 22 | 22 | ||
하소 알루미나 | D0.5=4㎛ | 12 | 10 | 10 | 8 | 7 | 6 | 6 |
D0.5=2㎛ | 1 | 8 | 7 | 5 | 4.5 | 3 | 3 | |
초미분증발실리카97% | 6 | 6 | 4.5 | 4 | 3 | 2 | ||
70%알루미나시멘트 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | |
분산제 | 1* | 1.0 | ||||||
2* | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | ||
3* | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | ||
합계 | 100 | 100.1 | 100.1 | 100.1 | 100. | 100.1 | 100.1 | |
수분(%) | 7.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | |
15타 유동성(mm) | 220 | 135 | 133 | 125 | 120 | 110 | 105 | |
시공성 평가 | ◎ | ◎ | 0 | 0 | 0 | △ | × | |
부피비중 110℃×24Hr | 3.0 | 3.15 | 3.2 | 3.21 | 3.2 | 3.2 | 3.18 | |
압축강도 (kg/cm2) | 110℃ | 1000 | 1500 | 1500 | 1500 | 1500 | 1500 | 1000 |
1000℃ | 550 | 1750 | 1750 | 1750 | 1750 | 1750 | 1100 | |
선변화율(%)1000℃ | -0.06 | -2.0 | -0.13 | -0.09 | -0.06 | -0.03 | -0.03 |
비교예 | 실시예 | ||||||||
4 | 5 | 6 | 5 | 6 | 7 | 8 | 9 | ||
용융 알루미나 | 8-1mm | 57 | 57 | 57 | 57 | 57 | 56 | 57 | 57 |
1mm이하 | 19.5 | 19 | 18 | 19 | 19 | 19 | 19 | 19 | |
하소 알루미나 | D0.5=4㎛ | 9 | 8 | 8 | 9 | 8 | 7.5 | 8 | 8 |
D0.5=2㎛ | 5.5 | 4.5 | 4.5 | 5.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
초미분증발실리카97% | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
70%알루미나시멘트 | 4.5 | 7 | 7 | 5 | 7 | 9 | 7 | 7 | |
합계 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
분산제 | 2* | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
3* | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
금속Al | 0.02 | 0.15 | 0.03 | 0.05 | |||||
Organic Fiber | 0.03 | 0.05 | |||||||
수분(%) | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | |
부피비중110℃×24Hr | 3.25 | 3.20 | 3.08 | 3.22 | 3.21 | 3.18 | 3.20 | 3.20 | |
압축강도 (kg/cm2) | 110℃ | 1000 | 1500 | 1300 | 1500 | 1500 | 1500 | 1500 | 1300 |
1000℃ | 1300 | 1750 | 1400 | 1500 | 1750 | 1500 | 1750 | 1400 | |
건조폭렬발생500℃ | 발생 | 없음 | 없음 | 없음 | |||||
마모율(cm2)ASTMC704 | 2.0 | 3.0 | 2.0 | 2.0 |
실 시 예 | 비 교 예 | |||||
10 | 11 | 12 | 7 | 8 | ||
용융알루 미나 | 8-1mm | 57 | 57 | 57 | ||
1mm이하 | 19 | 19 | 19 | |||
하소알루 미나 | D0.5=4㎛ | 8 | 8 | 8 | ||
D0.5=2㎛ | 4.5 | 4.5 | 4.5 | |||
초미분 증발 실리카97% | 4.5 | 4.5 | 4.5 | |||
70%알루미나시멘트 | 7 | 7 | 7 | 7 | 7 | |
합계 | 100 | 100 | 100 | 100 | 100 | |
분산제 | 2* | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
3* | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
금속Al | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | |
organic Fiber | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
Inhibitor | 0 | 0.01 | 0.03 | 0.05 | 0.06 | |
수분(%) | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | |
양생후 부풀음(mm) | 25 | 5 | 2 | 0 | 0 | |
부피비중110℃×24Hr | 3.20 | 3.22 | 3.21 | 3.20 | 3.10 | |
압축강도 (kg/cm2) | 110℃ | 1500 | 1500 | 1500 | 1500 | 1500 |
1000℃ | 1750 | 1750 | 1750 | 1750 | 1750 |
Claims (11)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040032239A KR100655164B1 (ko) | 2003-08-14 | 2004-05-07 | 분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 |
CN2004800232287A CN1836053B (zh) | 2003-08-14 | 2004-08-13 | 建造还原铁矿的流化床还原炉内结构的耐火组合物 |
PCT/KR2004/002043 WO2005017212A1 (en) | 2003-08-14 | 2004-08-13 | Refractory composition for constructing structure in fluidized bed reduction furnace for reduction of iron ore |
ZA200601207A ZA200601207B (en) | 2003-08-14 | 2006-02-10 | Refactory composition for constructing structure in fluidized bed reduction furnance for reduction of iron ore |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030056548 | 2003-08-14 | ||
KR20030056548 | 2003-08-14 | ||
KR1020040032239A KR100655164B1 (ko) | 2003-08-14 | 2004-05-07 | 분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050015973A KR20050015973A (ko) | 2005-02-21 |
KR100655164B1 true KR100655164B1 (ko) | 2006-12-08 |
Family
ID=34197308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040032239A KR100655164B1 (ko) | 2003-08-14 | 2004-05-07 | 분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR100655164B1 (ko) |
CN (1) | CN1836053B (ko) |
WO (1) | WO2005017212A1 (ko) |
ZA (1) | ZA200601207B (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102674853B (zh) * | 2012-05-15 | 2013-09-04 | 河南方圆炭素集团有限公司 | 镍铁电炉炉门用石墨芯 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582271A (ja) * | 1981-06-30 | 1983-01-07 | 日本鋼管株式会社 | 高炉出銑樋耐火物 |
JPS60141680A (ja) * | 1983-12-27 | 1985-07-26 | ハリマセラミック株式会社 | パッチング補修用耐火物の製造方法 |
CA1247151A (en) * | 1985-06-24 | 1988-12-20 | Thomas R. Kleeb | Abrasion resistant refractory composition |
KR930011274B1 (ko) * | 1991-03-07 | 1993-11-29 | 조선내화화학공업 주식회사 | 레들 내장용 알루미나-스피낼질 부정형 내화물 |
CN1078224A (zh) * | 1992-03-06 | 1993-11-10 | 特殊耐火材料公司 | 可振动的耐火材料组合物 |
JPH06157151A (ja) * | 1992-11-18 | 1994-06-03 | Sumitomo Metal Ind Ltd | 高炉補修用吹付材 |
US6313055B1 (en) * | 1998-08-20 | 2001-11-06 | Harbison-Walker Refractories Company | Refractory castables containing thermal black |
KR100342390B1 (ko) * | 1999-12-21 | 2002-07-04 | 신현준 | 고로 송풍지관 내장재용 캐스타블 내화조성물 |
KR20020051002A (ko) * | 2000-12-22 | 2002-06-28 | 신현준 | 부정형 내화 조성물의 폭열 방지제 |
KR100505110B1 (ko) * | 2000-12-22 | 2005-07-29 | 재단법인 포항산업과학연구원 | 부정형 내화 조성물 |
-
2004
- 2004-05-07 KR KR1020040032239A patent/KR100655164B1/ko active IP Right Grant
- 2004-08-13 CN CN2004800232287A patent/CN1836053B/zh active Active
- 2004-08-13 WO PCT/KR2004/002043 patent/WO2005017212A1/en active Application Filing
-
2006
- 2006-02-10 ZA ZA200601207A patent/ZA200601207B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1836053A (zh) | 2006-09-20 |
ZA200601207B (en) | 2007-05-30 |
WO2005017212A1 (en) | 2005-02-24 |
KR20050015973A (ko) | 2005-02-21 |
CN1836053B (zh) | 2012-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101215176B (zh) | 高强低导热节能耐火材料 | |
CN101805198B (zh) | 莫来石钢纤维浇注料 | |
CN101148364A (zh) | 脱硫喷枪用耐火材料及脱硫喷枪生产工艺 | |
JP2021502941A (ja) | 多孔質焼結マグネシアを製造する方法、焼結マグネシアからなる造粒物(Koernung)を有する粗セラミックの(grobkeramisch)耐火性生産物を製造するためのバッチ、このような生産物、および生産物を製造する方法、工業炉の裏張り(Zustellung)、ならびに工業炉 | |
CN101555146B (zh) | 一种隔热耐磨耐火浇注料组合物及其应用 | |
CN101921128A (zh) | 一种用于石灰回转窑的浇注料 | |
CN108033795A (zh) | 用于鱼雷罐永久层的高铝浇注料 | |
CN105036770A (zh) | 一种镁铝质耐火材料及其制备方法 | |
CN108472722A (zh) | 包含沸石型微结构的可浇筑耐火材料组合物及其用途 | |
CN113233908A (zh) | 一种再生无碳砖及其制备方法 | |
CN1050591C (zh) | 烧成微孔铝炭砖及其制作方法 | |
CN112079643A (zh) | 一种用于燃煤锅炉的耐火浇注料及制备方法 | |
CN106699205B (zh) | 一种溶胶结合高炉内衬湿法喷涂料及制备方法 | |
CN103922759B (zh) | 碳化硅质耐磨耐火导风墙大梁、导风墙砖的制备方法 | |
CN105036767A (zh) | 一种镁锆质耐火材料及其制备方法 | |
US6548435B1 (en) | Basic free-flowing casting material and preforms produced thereform | |
CN105084916A (zh) | 一种耐腐蚀镁铝质耐火材料及其制备方法 | |
CN113307613A (zh) | 一种钢包盖浇注料及其制备方法 | |
KR100655164B1 (ko) | 분철광석의 환원을 위한 유동층 환원로 내의 구조물 성형에 이용되는 내화 조성물 | |
Chandra et al. | Refractories and failures | |
CN110511004A (zh) | 一种锌尾渣处理用特种铬刚玉砖及其制备方法 | |
Muhammadu | An investigation on refractory clays properties for application in metallurgical Industries in Nigeria | |
CN114804823A (zh) | 一种炼铁高炉送风装置用隔热耐火材料 | |
Goncharova et al. | Refractory materials for steel-making equipment lining | |
KR100558653B1 (ko) | 분철광석의 환원을 위한 유동층 환원로의 천정부 성형에 이용되는 내화 조성물 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E90F | Notification of reason for final refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
G170 | Publication of correction | ||
FPAY | Annual fee payment |
Payment date: 20121204 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20131203 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20141202 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20151202 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20161202 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20171204 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20181204 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20191128 Year of fee payment: 14 |