CN111116204A - 高性能高炉主沟挡渣墙预制件及制备方法、施工方法 - Google Patents
高性能高炉主沟挡渣墙预制件及制备方法、施工方法 Download PDFInfo
- Publication number
- CN111116204A CN111116204A CN201911284449.4A CN201911284449A CN111116204A CN 111116204 A CN111116204 A CN 111116204A CN 201911284449 A CN201911284449 A CN 201911284449A CN 111116204 A CN111116204 A CN 111116204A
- Authority
- CN
- China
- Prior art keywords
- parts
- slag
- blast furnace
- furnace main
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000002893 slag Substances 0.000 title claims description 59
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000000843 powder Substances 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 57
- 229910052799 carbon Inorganic materials 0.000 claims description 56
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 45
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 45
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 45
- 239000005011 phenolic resin Substances 0.000 claims description 43
- 229920001568 phenolic resin Polymers 0.000 claims description 43
- 239000010431 corundum Substances 0.000 claims description 41
- 239000000203 mixture Substances 0.000 claims description 40
- 229920005989 resin Polymers 0.000 claims description 39
- 239000011347 resin Substances 0.000 claims description 39
- 229910052593 corundum Inorganic materials 0.000 claims description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 23
- -1 manganese-aluminum Chemical compound 0.000 claims description 23
- 239000004328 sodium tetraborate Substances 0.000 claims description 23
- 239000011029 spinel Substances 0.000 claims description 23
- 239000000080 wetting agent Substances 0.000 claims description 23
- 239000011863 silicon-based powder Substances 0.000 claims description 22
- 239000004408 titanium dioxide Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 18
- 229920001187 thermosetting polymer Polymers 0.000 claims description 17
- 229910021538 borax Inorganic materials 0.000 claims description 16
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 16
- 229910052596 spinel Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- 239000011572 manganese Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 7
- 239000013256 coordination polymer Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 239000002245 particle Substances 0.000 description 21
- 229910052742 iron Inorganic materials 0.000 description 15
- 235000010215 titanium dioxide Nutrition 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 8
- 229910016583 MnAl Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 238000009991 scouring Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910001424 calcium ion Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 229910052580 B4C Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 150000004645 aluminates Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001719 melilite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000003860 storage Methods 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- 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
- C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
-
- 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
-
- 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
- C04B35/634—Polymers
-
- 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
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63472—Condensation polymers of aldehydes or ketones
- C04B35/63476—Phenol-formaldehyde condensation polymers
-
- 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
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
-
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- 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
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- 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
- C04B2235/42—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
- C04B2235/54—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
- C04B2235/70—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)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Products (AREA)
Abstract
本发明涉及一种高性能高炉主沟挡渣墙预制件及制备方法、施工方法,属于高炉炼铁技术领域,预制件的原料包括电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂、酚醛树脂,并采用半干法机压成型,制备简便,使预制件具有较高的抗折强度、耐压强度、抗冲刷耐磨性,提高了挡渣墙的使用寿命,满足市场需求。
Description
技术领域
本发明涉及高炉炼铁技术领域,更具体的说,它涉及一种高性能高炉主沟挡渣墙预制件及制备方法、施工方法。
背景技术
高炉主沟挡渣墙是主沟后端用于分离渣铁的重要部件,由于渣铁比重的差异,渣铁在主沟内分离,渣液在上层通过挡渣墙前端的渣沟流出,铁液在下层通过挡渣墙下的过道眼流出,目前随着主沟材料和施工技术的进步,主沟在一个周期内经过一次套浇后,高炉主沟寿命不断提升,由于挡渣墙寿命不能与主沟寿命同步,造成主沟整体提前下线,若修补挡渣墙,要经历放残铁,打水降温,拆解残衬等过程,影响高炉正常生产,所以提高挡渣墙的使用寿命迫在眉睫。
申请号为CN2017104687793的专利申请文件公开了一种撇渣器横梁快换预制件及其制备方法,撇渣器横梁快换预制件的成分包括15-8mm高铝矾土10-15份、8-5mm板状刚玉18-25份、5-3mm板状刚玉5-10份、3-1mm白刚玉10~15份、1-0mm白刚玉5~10份、不大于200目白刚玉粉6-10份、1-0mm碳化硅10-15份、不大于200目碳化硅4-8份、碳化硼粉1-3份、氮化硅粉3-5份、活性氧化铝粉10-15份、高温沥青粉1-3份、添加剂2-3份、铝酸钙水泥0.3-0.5份、金属铝粉0.05-0.15份、防爆纤维0.01-0.03份。该预制件中虽然降低了水泥加入量,并减少CaO的引入,但是制备方法采用加水搅拌、浇注成型,其常温强度较低,同时最高烘烤温度为800℃,物料在此温度下不会烧结,强度较低,水分在蒸发时会留下较多气孔,降低其致密性,同时将其应用于挡渣墙时,钙离子与渣液成分生成低熔点的黄长石,降低挡渣墙的使用寿命。
授权公告号为CN201437542U的专利文件公开了一种高炉出铁沟撇渣器预制过梁,在挡渣墙预制件过梁上部中间设置一缺口,该缺口在过梁投入使用后,用耐火浇注料或炮泥或耐火捣打料填充,从而防止了预制件过梁在使用时因下部受热膨胀变长造成上部拉伸开裂的问题,其虽然在抑制过梁开裂方面有一定作用,但是挡渣墙下部抗冲刷性耐磨并无改善,对挡渣墙使用寿命的提升意义不大。
授权公告号为CN205907275U的专利文件公开了一种可延长寿命的储铁式沟撇渣器,在撇渣器挡墙靠渣沟一面设置有可上可下移动的活动块,活动块一表面设置有条状燕尾凸块,条状燕尾凸块与开设于基体靠近渣沟的一面的燕尾槽配接,燕尾槽底面上下间隔开设有沉头孔,条状燕尾凸块上开设有通孔,通孔内设置有耐火柱,耐火柱销接于沉头孔内,调节活动块的上下位置。其虽然在一定程度上可利用上部活动块作为工作层,但是结构较为复杂,在1450℃的工况条件不易操作,应用范围有限。
发明内容
本发明的目的在于提供一种高性能高炉主沟挡渣墙预制件,其具有较高的抗折强度、耐压强度和抗冲刷耐磨的优点,并提高挡渣墙的使用寿命,满足市场需求。
本发明的上述技术目的是通过以下技术方案得以实现的:
高性能高炉主沟挡渣墙预制件,按重量份数计,其原料包括电熔白刚玉30-45份、碳化硅30-45份、钛白粉3-6份、锰铝尖晶石5-10份、含碳树脂粉3-7份、金属硅粉1-5份、硼砂0.3-1份、润湿剂0.3-0.8份、酚醛树脂8-15份。
通过采用上述技术方案,通过各原料之间的协同作用,预制件内形成以碳结合网络为主体,串联了其他组成,原位生成各种高硬度、高耐磨性、高抗侵蚀性的物质,提升了结构强度,强化了基质,同时具有高温结构韧性,提高了抗冲击性能,使预制件具有较高的抗折强度、耐压强度、抗冲刷耐磨的优点,并提高挡渣墙的使用寿命,满足市场需求。
较优选地,其原料包括电熔白刚玉38-40份、碳化硅36.6-40份、钛白粉4-5份、锰铝尖晶石6-7份、含碳树脂粉4-6份、金属硅粉2-3份、硼砂0.4-0.8份、润湿剂0.4-0.6份、酚醛树脂10-11份。
通过采用上述技术方案,对预制件的原料配比进行优化,进一步提高预制件的体积密度、强度、使用寿命。
较优选地,所述酚醛树脂为热固性酚醛树脂,其固含量为75-85%,25℃粘度为5500-8500CP。
较优选地,所述含碳树脂粉的残碳重量含量≥85%,软化点≥200℃。
通过采用上述技术方案,对含碳树脂粉、酚醛树脂进行优化,不仅便于原料的结合、成型,而且酚醛树脂在低温固化后,使预制件具有较高的常温强度,含碳树脂粉、酚醛树脂在高温炭化后形成炭结合的网格结构,增加了预制件的结构强度,同时还有效抵抗渣铁的浸润,提高其使用寿命。
较优选地,所述电熔白刚玉的级配为:8mm-5mm 15-20份、5mm-3mm 10-15份、3mm-1mm 5-10份。
较优选地,所述碳化硅的级配为:3mm-1mm 5-10份、1-0mm 15-20份、0.074-0mm10-15份。
通过采用上述技术方案,对电熔白刚玉、碳化硅的级配进行优化,便于原料的成型,并提高了预制件的体积密度、堆积密度,同时还提高了预制件的致密性。
本发明的目的二在于提供一种制备上述高性能高炉主沟挡渣墙预制件的方法,采用半干法机压成型,不仅使预制件的制备简便,而且提高了预制件的致密性、强度、抗冲刷耐磨性。
本发明的上述技术目的是通过以下技术方案得以实现的:
制备上述高性能高炉主沟挡渣墙预制件的方法,包括如下步骤:
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,混合均匀,得到混合料a;
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
C、将混合料b放入模具中机压成型,在室温下,静置20-30h,然后在温度为100-120℃的条件下,保温10-15h,之后在温度为190-210℃的条件下,保温10-15h,降温、脱模,得到预制件。
较优选地,所述步骤C中,在室温下,静置24h,然后在温度为110℃的条件下,保温12h,之后在温度为200℃的条件下,保温12h。
通过采用上述技术方案,预制件采用半干法机压成型的方式,制备简便,而且避免在预制件内引入钙离子和自由水,而且酚醛树脂在低温固化后,具有较高的常温强度,含碳树脂粉、酚醛树脂在高温炭化后形成炭结合的网格结构,增加了预制件的结构强度,同时采用机压成型的方式,提高了预制件的体积密度,使预制件表现出良好的致密性,并提高预制件的抗冲刷耐磨性。
本发明的目的三在于提供一种高炉主沟挡渣墙施工方法,不仅具有施工简便的优点,而且提高了挡渣墙的使用寿命。
本发明的上述技术目的是通过以下技术方案得以实现的:
高炉主沟挡渣墙施工方法,包括上述预制件,主沟挡渣墙施工方法包括如下步骤:
S1、将预制件放置在挡渣墙过道眼模具的顶面;
S2、采用主沟浇注料将挡渣墙浇注成型,形成内含预制件的挡渣墙。
通过采用上述技术方案,将预制件放置在挡渣墙过道眼的上方,预制件直接作用在挡渣墙最薄弱的部位,提高了挡渣墙的使用寿命,而且挡渣墙采用主沟浇注料浇注成型,此时预制件固设在挡渣墙内,不仅增加了挡渣墙和预制件之间的结合强度,而且具有较高的性价比,同时预制件设置在过道眼处,在高炉炼铁生产时,铁水完全覆盖预制件,预制件不接触空气中的氧,避免了预制件的氧化。
综上所述,本发明具有以下有益效果:
第一、现有技术中挡墙或者挡墙预制件采用的成型方式为浇注成型,并以水泥作为结合剂,在浇注料搅拌时加入适量水,水分蒸发时会留下较多气孔,降低了成型体的致密性,同时以水泥作为结合剂引入了钙离子,会与渣液成分生成低熔点的黄长石,降低了挡墙的使用寿命。而本发明采用的以树脂结合的半干法机压成型方式,避免了钙离子和自由水引入,树脂固化后具有较高的常温强度,炭化后形成炭结合的网络结构,增强了预制件结构强度,同时采用机压成型方式,预制件致密性高,有益于抗冲刷耐磨性能的提高。
第二、由于本发明方案材料成本较高,不适宜挡墙整体采用该方案,采取了只在挡墙底部设置一块预制件,直接加强挡墙最薄弱部位的抗冲刷耐磨性,提高了挡墙寿命,挡墙其他部位采用成本相对较低的浇注料浇注成型,具有较高的性价比。同时,预制件设置在挡墙底部,高炉炼铁生产时,铁水完全覆盖预制件,不接触空气中的氧,避免了预制件氧化的问题。
第三、本发明主材质采用白刚玉和碳化硅,以提高预制件整体的抗冲刷耐磨性能。
第四、基质部分采用的钛白粉、锰铝尖晶石、含碳树脂粉、金属硅,硼砂和润湿剂。各原料的相互作用如下:含碳树脂粉具有较高的残碳量,结焦固化后形成炭结合网络,有效抵抗渣铁的浸润;钛白粉在高温下可与物料中的碳原位反应生成碳化钛,碳化钛具有高硬度、高熔点、高耐磨性;锰铝尖晶石具有良好的高温结构柔韧性,降低预制件脆性,提高预制件的抗热震性和抗铁水冲击性;金属硅粉可与物料体系中的残碳反应生成碳化硅,这种原位生成的碳化硅增强基体结构强度,强化基质。硼砂具有中温促烧作用,以保证物料在达到烧结温度前的强度,同时在较高温度下,可以与物料中的残碳反应生成碳化硼,碳化硼硬度高、耐磨性好,增强基质耐磨性;N2002型润湿剂,是一种对碳高效润湿的分散剂,保证了含碳树脂粉润湿和分散性,从而确保了含碳树脂粉残碳与基质中各物料可反应性。综上所述,基质组成形成了以碳结合网络为主体,串联了其他组成,原位生成各种高硬度、高耐磨性、高抗侵蚀性的物质,提升了结构强度,强化了基质,同时具有高温结构韧性,提高了抗冲击性能,从而提升了挡墙预制件使用寿命。
具体实施方式
以下结合实施例对本发明作进一步详细说明。应该理解的是,本发明实施例所述制备方法仅仅是用于说明本发明,而不是对本发明的限制,在本发明的构思前提下对本发明制备方法的简单改进都属于本发明要求保护的范围。
表1实施例中预制件的各原料含量(单位:kg)
实施例 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
电熔白刚玉 | 40 | 40 | 38 | 30 | 45 | 35 | 45 |
碳化硅 | 44.2 | 40 | 36.6 | 45 | 30 | 45 | 32.2 |
钛白粉 | 3 | 5 | 6 | 6 | 4 | 5 | 4 |
锰铝尖晶石 | 7 | 7 | 7 | 6.4 | 10 | 5 | 10 |
含碳树脂粉 | 4 | 4 | 6 | 7 | 6.2 | 7 | 3 |
金属硅粉 | 1 | 3 | 5 | 5 | 3 | 2 | 4 |
硼砂 | 0.4 | 0.6 | 0.8 | 0.3 | 1 | 0.5 | 1 |
润湿剂 | 0.4 | 0.4 | 0.6 | 0.3 | 0.8 | 0.5 | 0.8 |
总计 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
酚醛树脂 | 10 | 10 | 11 | 15 | 8 | 11 | 10 |
实施例1
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 20kg、5mm-3mm 15kg、3mm-1mm 5kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 20kg、0.074-0mm 14.2kg;钛白粉中TiO2的重量含量为97%,粒度小于等于0.074mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度小于等于0.074mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度小于等于0.074mm;金属硅粉中Si的重量含量为95%,粒度小于等于0.074mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度小于等于0.074mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为80%,25℃粘度为6500CP。
C、将混合料b放入模具中机压成型,在室温下,静置24h,然后在温度为110℃的条件下,保温12h,之后在温度为200℃的条件下,保温12h,降温、脱模,得到预制件。
实施例2
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 20kg、5mm-3mm 15kg、3mm-1mm 5kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 18kg、0.074-0mm 12kg;钛白粉中TiO2的重量含量为97%,粒度小于等于0.074mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度小于等于0.074mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度小于等于0.074mm;金属硅粉中Si的重量含量为95%,粒度小于等于0.074mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度小于等于0.074mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为75%,25℃粘度为5500CP。
C、将混合料b放入模具中机压成型,在室温下,静置20h,然后在温度为100℃的条件下,保温15h,之后在温度为190℃的条件下,保温15h,降温、脱模,得到预制件。
实施例3
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 18kg、5mm-3mm 15kg、3mm-1mm 5kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 16kg、0.074-0mm 10.6kg;钛白粉中TiO2的重量含量为97%,粒度小于等于0.074mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度小于等于0.074mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度小于等于0.074mm;金属硅粉中Si的重量含量为95%,粒度小于等于0.074mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度小于等于0.074mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为85%,25℃粘度为8500CP。
C、将混合料b放入模具中机压成型,在室温下,静置24h,然后在温度为110℃的条件下,保温12h,之后在温度为200℃的条件下,保温12h,降温、脱模,得到预制件。
实施例4
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 15kg、5mm-3mm 10kg、3mm-1mm 5kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 20kg、0.074-0mm 15kg;钛白粉中TiO2的重量含量为97%,粒度为0.05mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度为0.05mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度为0.05mm;金属硅粉中Si的重量含量为95%,粒度为0.05mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度为0.05mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为75%,25℃粘度为6300CP。
C、将混合料b放入模具中机压成型,在室温下,静置30h,然后在温度为120℃的条件下,保温10h,之后在温度为210℃的条件下,保温10h,降温、脱模,得到预制件。
实施例5
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 20kg、5mm-3mm 15kg、3mm-1mm 10kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 5kg、1-0mm 15kg、0.074-0mm 10kg;钛白粉中TiO2的重量含量为97%,粒度为0.05mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度小于等于0.074mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度为0.07mm;金属硅粉中Si的重量含量为95%,粒度为0.05mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度为0.05mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为80%,25℃粘度为7500CP。
C、将混合料b放入模具中机压成型,在室温下,静置20h,然后在温度为100℃的条件下,保温15h,之后在温度为190℃的条件下,保温15h,降温、脱模,得到预制件。
实施例6
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 20kg、5mm-3mm 10kg、3mm-1mm 5kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 20kg、0.074-0mm 15kg;钛白粉中TiO2的重量含量为97%,粒度为0.05mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度小于等于0.074mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度为0.07mm;金属硅粉中Si的重量含量为95%,粒度为0.05mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度为0.05mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为80%,25℃粘度为7500CP。
C、将混合料b放入模具中机压成型,在室温下,静置20h,然后在温度为100℃的条件下,保温15h,之后在温度为190℃的条件下,保温15h,降温、脱模,得到预制件。
实施例7
高性能高炉主沟挡渣墙预制件,其原料配比见表1。
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,放入搅拌机中,混合均匀,得到混合料a;
其中,电熔白刚玉中Al2O3的重量含量为98%,体积密度为3.6g/cm3,电熔白刚玉的级配为:8mm-5mm 20kg、5mm-3mm 15kg、3mm-1mm 10kg;碳化硅中SiC的重量含量为97%,碳化硅的级配为:3mm-1mm 10kg、1-0mm 10kg、0.074-0mm 12.2kg;钛白粉中TiO2的重量含量为97%,粒度为0.05mm;锰铝尖晶石中MnAl2O4的重量含量为90%,粒度为0.05mm;含碳树脂粉采用carbores-P,含碳树脂粉中残碳重量含量为85%,软化点为200℃,粒度为0.05mm;金属硅粉中Si的重量含量为95%,粒度为0.05mm,硼砂中Na2B4O7·10H2O的重量含量为95%,粒度为0.05mm;润湿剂采用GLYDOL N2002。
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
其中,酚醛树脂为热固性酚醛树脂,热固性酚醛树脂采用PF-5316,其固含量为75%,25℃粘度为6300CP。
C、将混合料b放入模具中机压成型,在室温下,静置30h,然后在温度为120℃的条件下,保温10h,之后在温度为210℃的条件下,保温10h,降温、脱模,得到预制件。
实施例8
高炉主沟挡渣墙施工方法,包括上述预制件,主沟挡渣墙施工方法包括如下步骤:
S1、将预制件放置在挡渣墙过道眼模具的顶面,预制件和过道眼模具相抵触,且预制件沿高度方向的轴线和过道眼模具沿高度方向的轴线重合;
S2、采用主沟浇注料将挡渣墙浇注成型,形成内含预制件的挡渣墙,其中主沟浇注料为Al2O3-SiC-C质浇注料。
对比例1
采用现有技术的方法制备主沟挡渣墙,按重量份数计,单位100kg,挡渣墙的原料包括棕刚玉45.7份、致密刚玉10份、碳化硅20份、矾土15份、粘土粉2份、沥青粉1份、铝酸盐水泥2份、硅微粉2份、氧化铝微粉2份、金属铝粉0.1份和三聚磷酸钠0.2份,并采用浇注成型的方式得到挡渣墙。
对比例2
采用现有技术的方法制备主沟挡渣墙,按重量份数计,单位100kg,挡渣墙的原料包括棕刚玉35份、致密刚玉15份、碳化硅25.7份、矾土15份、粘土粉2份、沥青粉1份、铝酸盐水泥2份、硅微粉2份、氧化铝微粉2份、金属铝粉0.1份和三聚磷酸钠0.2份,并采用浇注成型的方式得到挡渣墙。
将实施例1-5和对比例1-2加工成试样,试样一次成型,试样呈40mm×40mm×160mm的长方体型,进行下述性能检测,检测结果如表2、表3所示。
其中,根据YB/T5200-1993《致密耐火浇注料显气孔率和体积密度试验方法》,检测体积密度;
根据GB/T 5072-2008《耐火材料常温耐压强度试验方法》,检测耐压强度;
根据GB/T 5988-2007《耐火材料加热永久线变化试验方法》,检测线变化率;
根据GB/T 3002-2017《耐火材料高温抗折强度试验方法》,检测高温抗折强度;
将预制件应用于高炉主沟挡渣墙内时,检测实际通铁量。
其中,200℃×24h表示将试样在温度为200℃的条件下,保温24h;1450℃×3h埋炭表示将试样在温度为1450℃的条件下,埋炭保温3h;1450℃×1h埋炭表示将试样在温度为1450℃的条件下,埋炭保温1h。
表2实施例1-7的检测结果
表3实施例3、对比例1-2的检测结果
从表2和表3中可以看出,本发明的预制件,具有较高的体积密度、高温抗折强度和耐压强度,在200℃×24h处理后,本发明试样的体积密度最高达到3.15g/cm3,耐压强度最高达到43.3MPa,在1450℃×3h埋炭处理后,本发明试样的体积密度最高达到3.09g/cm3,耐压强度最高达到75.8MPa,高温抗折强度最高达到22.3MPa,线变化率在0.03-0.04%之间,并使预制件表现出良好的结合强度、抗冲刷耐磨性、抗剥落性。
采用实施例8中的方法,将实施例1-7加工成挡渣墙,对实施例1-7得到的挡渣墙,以及对比例1-2浇注成型得到的挡渣墙,进行现场应用,应用结果如表4所示。由表4可以看出,本发明的预制件,其应用到挡渣墙中时,实际通铁量达到21-24万吨,挡渣墙的使用寿命相比现有技术提高了约70%。
表4实际通铁量(单位:万吨)
挡渣墙 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 | 实施例7 | 对比例1 | 对比例2 |
通铁量 | 24 | 23 | 23 | 22 | 21 | 22 | 21 | 13 | 13 |
Claims (9)
1.高性能高炉主沟挡渣墙预制件,其特征在于:按重量份数计,其原料包括电熔白刚玉30-45份、碳化硅30-45份、钛白粉3-6份、锰铝尖晶石5-10份、含碳树脂粉3-7份、金属硅粉1-5份、硼砂0.3-1份、润湿剂0.3-0.8份、酚醛树脂8-15份。
2.根据权利要求1所述的高性能高炉主沟挡渣墙预制件,其特征在于:其原料包括电熔白刚玉38-40份、碳化硅36.6-40份、钛白粉4-5份、锰铝尖晶石6-7份、含碳树脂粉4-6份、金属硅粉2-3份、硼砂0.4-0.8份、润湿剂0.4-0.6份、酚醛树脂10-11份。
3.根据权利要求1所述的高性能高炉主沟挡渣墙预制件,其特征在于:所述酚醛树脂为热固性酚醛树脂,其固含量为75-85%,25℃粘度为5500-8500CP。
4.根据权利要求1所述的高性能高炉主沟挡渣墙预制件,其特征在于:所述含碳树脂粉的残碳重量含量≥85%,软化点≥200℃。
5.根据权利要求1所述的高性能高炉主沟挡渣墙预制件,其特征在于:所述电熔白刚玉的级配为:8mm-5mm 15-20份、5mm-3mm 10-15份、3mm-1mm 5-10份。
6.根据权利要求1所述的高性能高炉主沟挡渣墙预制件,其特征在于:所述碳化硅的级配为:3mm-1mm 5-10份、1-0 mm 15-20份、0.074-0mm 10-15份。
7.制备权利要求1-6中任意一项所述的高性能高炉主沟挡渣墙预制件的方法,其特征在于:包括如下步骤:
A、将电熔白刚玉、碳化硅、钛白粉、锰铝尖晶石、含碳树脂粉、金属硅粉、硼砂、润湿剂,混合均匀,得到混合料a;
B、在混合料a中加入酚醛树脂,混合均匀,得到混合料b;
C、将混合料b放入模具中机压成型,在室温下,静置20-30h,然后在温度为100-120℃的条件下,保温10-15h,之后在温度为190-210℃的条件下,保温10-15h,降温、脱模,得到预制件。
8.根据权利要求7所述的制备高性能高炉主沟挡渣墙预制件的方法,其特征在于:所述步骤C中,在室温下,静置24h,然后在温度为110℃的条件下,保温12h,之后在温度为200℃的条件下,保温12h。
9.高炉主沟挡渣墙施工方法,其特征在于,包括如权利要求1-6中任意一项所述的预制件,主沟挡渣墙施工方法包括如下步骤:
S1、将预制件放置在挡渣墙过道眼模具的顶面;
S2、采用主沟浇注料将挡渣墙浇注成型,形成内含预制件的挡渣墙。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911284449.4A CN111116204B (zh) | 2019-12-13 | 2019-12-13 | 高性能高炉主沟挡渣墙预制件及制备方法、施工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911284449.4A CN111116204B (zh) | 2019-12-13 | 2019-12-13 | 高性能高炉主沟挡渣墙预制件及制备方法、施工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111116204A true CN111116204A (zh) | 2020-05-08 |
CN111116204B CN111116204B (zh) | 2024-02-27 |
Family
ID=70498798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911284449.4A Active CN111116204B (zh) | 2019-12-13 | 2019-12-13 | 高性能高炉主沟挡渣墙预制件及制备方法、施工方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111116204B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113683401A (zh) * | 2020-05-19 | 2021-11-23 | 中冶宝钢技术服务有限公司 | 一种主沟渣铁分离器的制造工艺 |
CN114292097A (zh) * | 2021-12-31 | 2022-04-08 | 北京瑞普同创科技发展有限公司 | 一种高炉出铁沟用溶胶结合湿法喷补料及其制备方法 |
CN114800788A (zh) * | 2022-03-22 | 2022-07-29 | 北京利尔高温材料股份有限公司 | 一种撇渣器快换模胎及通铁铁沟的制备方法 |
CN114956839A (zh) * | 2022-04-18 | 2022-08-30 | 南京联合荣大工程材料有限责任公司 | 一种撇渣器用档板及其制备方法 |
CN117383889A (zh) * | 2023-10-28 | 2024-01-12 | 衡水兆星复合材料有限公司 | 一种挡渣锥及其制备方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944330A (zh) * | 2006-10-19 | 2007-04-11 | 武汉科技大学 | 一种含碳氮化钛滑板耐火材料及其制备方法 |
CN101579726A (zh) * | 2009-06-25 | 2009-11-18 | 莱芜钢铁股份有限公司 | 一种复合式中间包带孔挡渣墙及制备工艺 |
CN102030548A (zh) * | 2010-11-08 | 2011-04-27 | 无锡市南方耐材有限公司 | 一种金属陶瓷结合免烧低碳滑板砖及其制备方法 |
CN105198457A (zh) * | 2015-09-25 | 2015-12-30 | 马鞍山利尔开元新材料有限公司 | 一种转炉挡渣内水口砖及其制备方法 |
CN107032807A (zh) * | 2017-04-11 | 2017-08-11 | 高晶 | 新型无水炮泥及其制备方法 |
CN107244933A (zh) * | 2017-05-31 | 2017-10-13 | 湛江市红鹰铭德新材料科技有限公司 | 一种利用废镁质挡渣墙制备中间包座砖捣打料的方法 |
CN107382347A (zh) * | 2017-08-23 | 2017-11-24 | 湖南湘钢瑞泰科技有限公司 | 一种转炉挡渣用滑板砖及其制备方法 |
CN110256057A (zh) * | 2019-07-12 | 2019-09-20 | 无锡市南方耐材有限公司 | 免浸渍滑板砖及其制备方法 |
CN110372406A (zh) * | 2019-09-02 | 2019-10-25 | 马鞍山利尔开元新材料有限公司 | 一种转炉挡渣Al2O3-C外水口砖及其制备方法 |
CN211546590U (zh) * | 2019-12-13 | 2020-09-22 | 北京瑞普同创科技发展有限公司 | 一种高通铁量高炉主沟用复合挡渣墙 |
-
2019
- 2019-12-13 CN CN201911284449.4A patent/CN111116204B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944330A (zh) * | 2006-10-19 | 2007-04-11 | 武汉科技大学 | 一种含碳氮化钛滑板耐火材料及其制备方法 |
CN101579726A (zh) * | 2009-06-25 | 2009-11-18 | 莱芜钢铁股份有限公司 | 一种复合式中间包带孔挡渣墙及制备工艺 |
CN102030548A (zh) * | 2010-11-08 | 2011-04-27 | 无锡市南方耐材有限公司 | 一种金属陶瓷结合免烧低碳滑板砖及其制备方法 |
CN105198457A (zh) * | 2015-09-25 | 2015-12-30 | 马鞍山利尔开元新材料有限公司 | 一种转炉挡渣内水口砖及其制备方法 |
CN107032807A (zh) * | 2017-04-11 | 2017-08-11 | 高晶 | 新型无水炮泥及其制备方法 |
CN107244933A (zh) * | 2017-05-31 | 2017-10-13 | 湛江市红鹰铭德新材料科技有限公司 | 一种利用废镁质挡渣墙制备中间包座砖捣打料的方法 |
CN107382347A (zh) * | 2017-08-23 | 2017-11-24 | 湖南湘钢瑞泰科技有限公司 | 一种转炉挡渣用滑板砖及其制备方法 |
CN110256057A (zh) * | 2019-07-12 | 2019-09-20 | 无锡市南方耐材有限公司 | 免浸渍滑板砖及其制备方法 |
CN110372406A (zh) * | 2019-09-02 | 2019-10-25 | 马鞍山利尔开元新材料有限公司 | 一种转炉挡渣Al2O3-C外水口砖及其制备方法 |
CN211546590U (zh) * | 2019-12-13 | 2020-09-22 | 北京瑞普同创科技发展有限公司 | 一种高通铁量高炉主沟用复合挡渣墙 |
Non-Patent Citations (1)
Title |
---|
张福明等: "《现代高炉长寿技术》", vol. 1, 冶金工业出版社, pages: 480 - 481 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113683401A (zh) * | 2020-05-19 | 2021-11-23 | 中冶宝钢技术服务有限公司 | 一种主沟渣铁分离器的制造工艺 |
CN114292097A (zh) * | 2021-12-31 | 2022-04-08 | 北京瑞普同创科技发展有限公司 | 一种高炉出铁沟用溶胶结合湿法喷补料及其制备方法 |
CN114800788A (zh) * | 2022-03-22 | 2022-07-29 | 北京利尔高温材料股份有限公司 | 一种撇渣器快换模胎及通铁铁沟的制备方法 |
CN114800788B (zh) * | 2022-03-22 | 2023-11-28 | 北京利尔高温材料股份有限公司 | 一种撇渣器快换模胎及通铁铁沟的制备方法 |
CN114956839A (zh) * | 2022-04-18 | 2022-08-30 | 南京联合荣大工程材料有限责任公司 | 一种撇渣器用档板及其制备方法 |
CN117383889A (zh) * | 2023-10-28 | 2024-01-12 | 衡水兆星复合材料有限公司 | 一种挡渣锥及其制备方法 |
CN117383889B (zh) * | 2023-10-28 | 2024-03-19 | 衡水兆星复合材料有限公司 | 一种挡渣锥及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111116204B (zh) | 2024-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111116204B (zh) | 高性能高炉主沟挡渣墙预制件及制备方法、施工方法 | |
US9321690B2 (en) | Sintered refractory material based on silicon carbide with a silicon nitride binder | |
CN106699206B (zh) | 一种大中型高炉无水炮泥及其制备方法 | |
CN107986765B (zh) | 高炉用抗开裂摆动流槽浇注料及其制备方法 | |
JP6546687B1 (ja) | マグネシアカーボンれんがの製造方法 | |
CN112358305A (zh) | 一种防纵裂的电炉钢包包壁镁碳砖及其制备工艺 | |
US9695088B2 (en) | Monolithic graphitic castable refractory | |
CN108640662B (zh) | 环保型无水炮泥 | |
CN111517815A (zh) | 氮化硅复合高导热浇注料 | |
CN113233908A (zh) | 一种再生无碳砖及其制备方法 | |
CN106699205B (zh) | 一种溶胶结合高炉内衬湿法喷涂料及制备方法 | |
CN111484346A (zh) | 用于高炉撇渣器的氮化硅结合浇注料及高炉撇渣器 | |
CN105948724A (zh) | 一种铁口泥套浇注料 | |
CN113754450A (zh) | Corex炉出铁口高稳定性炮泥制备方法 | |
WO2017090929A1 (ko) | 내화 조성물 및 이로 제작된 강 주조용 웰블럭 | |
CN110526689B (zh) | 一种高强度高炉铁口通道预制件及其制备方法 | |
CN107473719A (zh) | 一种低碳高强耐火材料及其制备工艺 | |
CN112759369A (zh) | 高热震稳定性镁碳砖 | |
CN217252783U (zh) | 一种中间包用复合冲击板 | |
KR101489381B1 (ko) | 내화 조성물 및 이를 이용하여 제작된 고로 탕도 커버 | |
CN110627505B (zh) | 高炉炉底填缝料及其制备方法 | |
CN113461411B (zh) | 一种抗氧化铝碳化硅碳砖及其制备方法 | |
JP5331077B2 (ja) | カーボン含有耐火物 | |
CN101602603B (zh) | 一种抗铁水溶蚀性的高炉炭砖及其制备方法 | |
WO1992015537A1 (en) | Mud for tap hole of blast furnace |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |