JP2016529461A - 耐火性バッチおよびその製造方法 - Google Patents
耐火性バッチおよびその製造方法 Download PDFInfo
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- JP2016529461A JP2016529461A JP2016522347A JP2016522347A JP2016529461A JP 2016529461 A JP2016529461 A JP 2016529461A JP 2016522347 A JP2016522347 A JP 2016522347A JP 2016522347 A JP2016522347 A JP 2016522347A JP 2016529461 A JP2016529461 A JP 2016529461A
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 107
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 52
- 239000002245 particle Substances 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 34
- 229910052609 olivine Inorganic materials 0.000 claims abstract description 28
- 239000010450 olivine Substances 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000011819 refractory material Substances 0.000 claims abstract description 23
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 22
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052839 forsterite Inorganic materials 0.000 claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 12
- 239000008187 granular material Substances 0.000 claims abstract description 11
- 239000004615 ingredient Substances 0.000 claims abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 8
- 239000011707 mineral Substances 0.000 claims abstract description 8
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 239000011449 brick Substances 0.000 claims description 24
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000010419 fine particle Substances 0.000 claims description 8
- 229910052596 spinel Inorganic materials 0.000 claims description 8
- 239000011029 spinel Substances 0.000 claims description 8
- 239000011362 coarse particle Substances 0.000 claims description 7
- 235000010755 mineral Nutrition 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- 229910021487 silica fume Inorganic materials 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 229920005861 Castament® Polymers 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 16
- 239000002893 slag Substances 0.000 description 15
- 239000000155 melt Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- DGVMNQYBHPSIJS-UHFFFAOYSA-N dimagnesium;2,2,6,6-tetraoxido-1,3,5,7-tetraoxa-2,4,6-trisilaspiro[3.3]heptane;hydrate Chemical compound O.[Mg+2].[Mg+2].O1[Si]([O-])([O-])O[Si]21O[Si]([O-])([O-])O2 DGVMNQYBHPSIJS-UHFFFAOYSA-N 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910021485 fumed silica Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052634 enstatite Inorganic materials 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- BBCCCLINBSELLX-UHFFFAOYSA-N magnesium;dihydroxy(oxo)silane Chemical compound [Mg+2].O[Si](O)=O BBCCCLINBSELLX-UHFFFAOYSA-N 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- JWCPKKUXENYVPL-UHFFFAOYSA-N [Mg+2].[O-][Cr]([O-])=O Chemical compound [Mg+2].[O-][Cr]([O-])=O JWCPKKUXENYVPL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 1
- AQKDYYAZGHBAPR-UHFFFAOYSA-M copper;copper(1+);sulfanide Chemical compound [SH-].[Cu].[Cu+] AQKDYYAZGHBAPR-UHFFFAOYSA-M 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
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- 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
- C04B35/16—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 silicates other than clay
- C04B35/20—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 silicates other than clay rich in magnesium oxide, e.g. forsterite
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
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Abstract
Description
シリカ粉塵は、超微非結晶アモルファスSiO2パウダーである。それは、元素ケイ素またはケイ素合金の製造中、副生成物としてアーク炉に形成される。また、シリカ粉塵は、例えば、商品名シリカ粉塵またはマイクロシリカとして市販されており、一般的に85wt%以上のSiO2を有している。シリカ粉塵(また、シリカヒューメとして呼ばれる)の粒径は、1mm以下である。英語での用語は、“Silica fume”である。
焼成シリカは、例えば、99wt%以下のSiO2含有量を有する高純度アモルファスSiO2パウダーである。そのSiO2パウダーは、一般的に、例えば、5〜50nmの粒径を有し、例えば、50〜600m2/gの高比表面積を有する。これらのシリカは、火炎加水分解によって製造される。焼成シリカは、例えば、エアロシル(Aerosil)という商品名で市販されている。英語での用語は、“Fumed silica”である。
湿式法を使用する沈降シリカの製造において、方法は、アルカリケイ酸塩溶液から開始する。その溶液から、高純度アモルファスシリカは、酸(86〜88wt%SiO2;10〜12wt%水)の添加によって沈降される。粒径は1〜200μmであり、比表面積は10〜500m2/gである。沈降シリカは、例えば、“シペルナット(Sipernat)”または“ウルトラシル(Ultrasil)”という商品名で市販されている。水分の含有量に関わらず、これらのシリカは、液体ではなく、乾燥した粉末状である。
かんらん石原料: 3〜74wt%(特に、24〜63.7wt%)
マグネシア粉末: 25〜49wt%(特に、30〜45wt%)
SiC粉末: 0.9〜14wt%(特に、5〜15wt%)
微粒子シリカ: 0.1〜10wt%(特に、0.5〜5wt%)
酸化防止剤: 0〜4wt%(特に、0.5〜2.5wt%)
追加の耐火性原料粒状体:0〜4wt%(特に、0.1〜3.5wt%)
耐火性添加物: 0〜4wt%(特に、0.1〜3.5wt%)
耐火物用混合成分(admixture):0〜2wt%(特に、0.1〜1.5wt%)
耐火物用バインダー: 0〜10wt%
粗密度: 2.65〜2.80kg/m3
寒冷昇圧強度: 40〜100MPa(特に、60〜80MPa)
粗密度: 2.55〜2.75kg/m3
寒冷昇圧強度: 30〜80MPa(特に、40〜70MPa)
粗密度: 2.55〜2.75kg/m3
寒冷昇圧強度: 40〜180MPa(特に、50〜150MPa)
−少なくとも一つの粉末状のマグネシアの25〜49wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の1mm以下の粒径を有する)、
−少なくとも一つの粉末状の炭化シリコン(SiC)の0.9〜14wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の1mm以下の粒径を有する)、
−少なくとも一つの微粒子乾燥粉末シリカの0.1〜10wt%(好ましくは、500μm以下の粒径を有する)、
−耐火物用のそれ自体が既知の少なくとも一つの酸化防止剤の0〜4wt%、
−それ自体既知の少なくとも一つの追加の耐火性原料粒状体の0〜4wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の0.1mm以上の粒径を有する)、
−バッチから耐火物を製造するためのそれ自体が既知の少なくとも一つの混合成分の0〜2wt%、
−耐火性材料(特に、粉末状、好ましくは、いわゆる中粒子状および/またはいわゆる粗粒子状)で作られた少なくとも一つの既知の添加剤の0〜4wt%、
−耐火物(例えば、乾燥状または液体状で含まれる)用のそれ自体が既知の少なくとも一つのバインダーの0〜10wt%
少なくとも一つのかんらん石原料の21〜63.7wt%
少なくとも一つのマグネシアの30〜43wt%
少なくとも一つの炭化ケイ素の5〜15wt%
少なくとも一つのシリカの0.5〜5wt%
少なくとも一つの酸化防止剤の0.5〜2.5wt%
少なくとも一つの追加の耐火性原料粒状体の0.1〜3.5wt%
少なくとも一つの混合成分の0.1〜1.5wt%
少なくとも一つの添加剤の0.1〜3.5wt%
少なくとも一つの前記バインダーの0〜5wt%
Claims (15)
- 非鉄重金属(”Buntmetall”)溶融ユニットのライニング(好ましくは、銅溶融コンバーターのライニング)用の鉱物耐火材料で構成されたバッチであって、
前記バッチは、以下の成分の混合物の90wt%以上(特に、95wt%以上)、またはより好ましくは以下の成分からなる混合物を含み、
前記以下の成分は、
少なくとも70wt%(特に、少なくとも90wt%、好ましくは、少なくとも100wt%)のフォルステライト含有量を有する(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の0.1mm以上の粒径を有する)少なくとも一つの粗粒子かんらん石原料の3〜74wt%と、
少なくとも一つの粉末状のマグネシアの25〜49wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の1mm以下の粒径を有する)と、
少なくとも一つの粉末状の炭化シリコン(SiC)の0.9〜14wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の1mm以下の粒径を有する)と、
少なくとも一つの微粒子乾燥粉末シリカの0.1〜10wt%(好ましくは、500μm以下の粒径を有する)と、
耐火物用のそれ自体が既知の少なくとも一つの酸化防止剤の0〜4wt%と、
それ自体が既知の少なくとも一つの追加の耐火性原料粒状体の0〜4wt%(好ましくは、50wt%(特に80wt%、好ましくは100wt%)の0.1mm以上の粒径を有する)と、
バッチから耐火物を製造するためのそれ自体が既知の少なくとも一つの混合成分の0〜2wt%と、
耐火性材料(特に、粉末状、好ましくは、いわゆる中粒子状および/またはいわゆる粗粒子状)で作られた少なくとも一つの既知の添加剤の0〜4wt%と、
耐火物(例えば、乾燥状または液体状で含まれる)用のそれ自体が既知の少なくとも一つのバインダーの0〜10wt%と
であることを特徴とするバッチ。 - 前記バッチは、以下の混合物の一つの90wt%(特に、95wt%以上)を含む(好ましくは、以下の混合物の一つからなる)請求項1に記載のバッチ。
−前記少なくとも一つのかんらん石原料の21〜63.7wt%
−前記少なくとも一つのマグネシアの30〜43wt%
−前記少なくとも一つの炭化ケイ素の5〜15wt%
−前記少なくとも一つのシリカの0.5〜5wt%
−前記少なくとも一つの酸化防止剤の0.5〜2.5wt%
−前記少なくとも一つの追加の耐火性原料粒状体の0.1〜3.5wt%
−前記少なくとも一つの混合成分の0.1〜1.5wt%
−前記少なくとも一つの添加剤の0.1〜3.5wt%
−前記少なくとも一つバインダーの0〜5wt% - 前記かんらん石原料は、天然のかんらん石原料、および/または、いわゆる中粒子および粗粒子範囲(例えば、0.1〜6mm、特に、1〜6mm)(好ましくはガウスの粒度分布)で、前記かんらん石原料の粒子帯を有する合成されたフォルステライト材料である請求項1または2に記載のバッチ。
- 前記粉末状のマグネシアの前記MgO含有量は、90wt%以上(特に、95wt%以上)であり、
前記粉末状のマグネシアの粒度分布は、例えば、ガウスの粒度分布に相当する請求項1ないし3のいずれか1項に記載のバッチ。 - 前記粉末状の炭化シリコンは、90wt%以上(特に、94wt%以上)の純度を有し、好ましくは、ガウスの粒度分布を有する請求項1ないし4のいずれか1項に記載のバッチ。
- 前記シリカは、500μmより小さい前記粒径を有する少なくとも一つの石英粉末、および/または少なくとも一つの焼成シリカ、および/または少なくとも一つの沈降シリカ、および/または少なくとも一つのシリカヒュームである請求項1ないし5のいずれか1項に記載のバッチ。
- 前記少なくとも一つの混合成分は、BASF社の液化機(例えば、Castament(FS20))、またはZschimmer and Schwarz社のDolapix(F44)のグループから選択される請求項1ないし6のいずれか1項に記載のバッチ。
- 少なくとも一つの添加物粒状体および/または一つの添加物は、亜クロム酸マグネシア、スピネルマグネシア、スピネル、酸化クロム、酸化ジルコニウム、窒化ケイ素、ジルコニウムのグループから選択される請求項1ないし7のいずれか1項に記載のバッチ。
- 請求項1ないし8のいずれか1項に記載の前記バッチを使用する耐火物の製造方法であって、
前記バッチは、水を含むマスを形成するために前記水と混合され、
前記マスは、モールドに導入され、成形体に形成され、
続いて、前記成形体の前記マスは、硬化され、特に、0.1〜4.5wt%の最大残留水分になるまで乾燥されることを特徴とする耐火物の製造方法。 - 前記硬化と前記乾燥とは、50〜200℃(特に、100〜150℃)の温度で押圧物に行われる請求項9に記載の耐火物の製造方法。
- モノリシックな作成済み成分およびキャスタブルに対して、
前記硬化は、15〜35℃で行われ、
前記乾燥は、50〜200℃(特に、100〜150℃)の温度で行われる請求項9または10に記載の耐火物の製造方法。 - 水分含有マスは、成形レンガ内で押圧され、
前記成形レンガは、硬化され、乾燥され、
前記成形レンガは、好ましくは、酸化雰囲気下(好ましくは、還元性雰囲気下)、特に1000〜1300℃(好ましくは、1150〜1250℃)の温度で、例えば、4〜8時間(特に、5〜8時間)の焼成期間、セラミック燃焼窯中でセラミックのように焼成される請求項9ないし11のいずれか1項に記載の耐火物の製造方法。 - 前記バッチは、前記水との組み合わせで、または前記水の代わりに、耐火物用の少なくとも一つの水含有バインダー(例えば、1〜10wt%の量)と混合され、延性マスを形成する請求項9ないし12のいずれか1項に記載の耐火物の製造方法。
- 前記バッチは、前記水の代わりに、ピッチおよび/またはタール並びに合成樹脂のグループから少なくとも一つのバインダー(例えば、2〜5wt%の量)と混合され、延性マスを形成する請求項9ないし12のいずれか1項に記載の耐火物の製造方法。
- 2.65〜2.80kg/m3の粗密度と、25〜50MPa(特に、35〜45MPa)の圧力強度とを有することを特徴とする請求項12に記載の耐火物の製造方法で製造された成形レンガ。
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JPS59137368A (ja) * | 1983-01-25 | 1984-08-07 | 新日本製鐵株式会社 | 補修用不定形耐火物 |
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US20130137056A1 (en) * | 2011-11-28 | 2013-05-30 | David Vardy | Heat chamber |
DE202012012495U1 (de) * | 2012-07-27 | 2013-03-06 | Refratechnik Holding Gmbh | Feuerfestes Erzeugnis |
JP2015528790A (ja) * | 2012-07-27 | 2015-10-01 | レフラテクニック ホルディング ゲゼルシャフト ミット ベシュレンクテル ハフツングREFRATECHNIK Holding GmbH | 耐火性製品およびその製品の使用 |
WO2014206602A1 (de) * | 2013-06-28 | 2014-12-31 | Refratechnik Holding Gmbh | Feuerfester versatz und seine verwendung |
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JP2021502941A (ja) * | 2017-09-15 | 2021-02-04 | レフラテクニック ホルディング ゲゼルシャフト ミット ベシュレンクテル ハフツングREFRATECHNIK Holding GmbH | 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 |
JP7299157B2 (ja) | 2017-09-15 | 2023-06-27 | レフラテクニック ホルディング ゲゼルシャフト ミット ベシュレンクテル ハフツング | 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 |
JP7368648B1 (ja) * | 2023-03-13 | 2023-10-24 | 黒崎播磨株式会社 | 不焼成塩基性れんがの製造方法 |
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