JP2014525890A - テルネサイト−ベライト−スルホアルミン酸カルシウムクリンカーの製造方法 - Google Patents
テルネサイト−ベライト−スルホアルミン酸カルシウムクリンカーの製造方法 Download PDFInfo
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- JP2014525890A JP2014525890A JP2014525336A JP2014525336A JP2014525890A JP 2014525890 A JP2014525890 A JP 2014525890A JP 2014525336 A JP2014525336 A JP 2014525336A JP 2014525336 A JP2014525336 A JP 2014525336A JP 2014525890 A JP2014525890 A JP 2014525890A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000011575 calcium Substances 0.000 title abstract description 18
- 229910052791 calcium Inorganic materials 0.000 title abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 67
- 239000002994 raw material Substances 0.000 claims abstract description 37
- 239000006227 byproduct Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000002893 slag Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 5
- 239000004571 lime Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 24
- 238000005245 sintering Methods 0.000 claims description 21
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 235000019738 Limestone Nutrition 0.000 claims description 11
- 239000010440 gypsum Substances 0.000 claims description 11
- 229910052602 gypsum Inorganic materials 0.000 claims description 11
- 239000006028 limestone Substances 0.000 claims description 11
- 230000009257 reactivity Effects 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 11
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- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 4
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 claims description 4
- 239000013067 intermediate product Substances 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052661 anorthite Inorganic materials 0.000 claims description 3
- 239000010430 carbonatite Substances 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 235000012245 magnesium oxide Nutrition 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
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- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
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- 150000002738 metalloids Chemical class 0.000 claims description 2
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- 150000002843 nonmetals Chemical class 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
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- 150000003624 transition metals Chemical class 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims 1
- 238000004925 denaturation Methods 0.000 claims 1
- 230000036425 denaturation Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 14
- 239000013078 crystal Substances 0.000 abstract description 9
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 8
- 239000011435 rock Substances 0.000 abstract description 6
- 239000012071 phase Substances 0.000 description 53
- 239000004568 cement Substances 0.000 description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 35
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- 238000010586 diagram Methods 0.000 description 12
- 239000002956 ash Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 10
- 238000006703 hydration reaction Methods 0.000 description 10
- 230000036571 hydration Effects 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 7
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
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- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
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- 229910001653 ettringite Inorganic materials 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
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- RLLPVAHGXHCWKJ-IEBWSBKVSA-N (3-phenoxyphenyl)methyl (1s,3s)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(Cl)Cl)[C@@H]1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-IEBWSBKVSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 238000003991 Rietveld refinement Methods 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- CPGKMLVTFNUAHL-UHFFFAOYSA-N [Ca].[Ca] Chemical compound [Ca].[Ca] CPGKMLVTFNUAHL-UHFFFAOYSA-N 0.000 description 1
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- 150000001447 alkali salts Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 description 1
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- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- CBYZIWCZNMOEAV-UHFFFAOYSA-N formaldehyde;naphthalene Chemical class O=C.C1=CC=CC2=CC=CC=C21 CBYZIWCZNMOEAV-UHFFFAOYSA-N 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/345—Hydraulic cements not provided for in one of the groups C04B7/02 - C04B7/34
- C04B7/3453—Belite cements, e.g. self-disintegrating cements based on dicalciumsilicate
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/0093—Aluminates
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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Abstract
Description
(1) 埋め立て材料/廃棄材料の回避;
(2) これらの材料の経済的/環境保護上の使用;
(3) 可能性のある有害物質の定着/破壊
1) 特に低品質の産業副生成物(アッシュ、スラグ等);
2) 主たるCaO源として、少なくとも部分的に石灰石と置き換えることのできる材料;
3) Al2O3(Fe2O3)源として、少なくとも部分的にボーキサイトと置き換えることのできる材料;
4) 産業プロセス由来のSO3;
5) 天然岩石/岩石ガラス
・C5S2$: 5〜75重量%、好ましくは10〜60重量%、より好ましくは20〜40重量%;
・C2S: 1〜80重量%、好ましくは5〜70、より好ましくは10〜65重量%、特に好ましくは20〜50重量%:
・C4(AxF1−x)3$: 5〜70重量%、好ましくは10〜60重量%、より好ましくは20〜45重量%;
・副相: 0〜30重量%、好ましくは5〜25重量%、より好ましくは10〜20重量%
・C4(AxF1−x)3$:(α;β)C2S=1:16〜70:1、好ましくは1:8〜8:1、より好ましくは1:5〜5:1;
・C4(AxF1−x)3$:C5S2$=1:15〜14:1、好ましくは1:8〜8:1、より好ましくは1:5〜5:1;
・C5S2$:(α;β)C2S=1:15〜70:1、好ましくは1:8〜10:1、より好ましくは1:4〜5:1;
・C4(AxF1−x)3$:((α;β)C2S+C5S2$)=1:16〜10:1、好ましくは1:8〜8:1、より好ましくは1:4〜4:1。
・CaO: 35〜65重量%
・Al2O3(Fe2O3): 7〜45重量%
・SiO2: 5〜28重量%
・SO3: 5〜20重量%
表3に、酸性の主成分及び粉末度に基づいて特徴付けて実施した、ここで説明する実施例で使用した原材料を示す。この表では1,050℃で焼き戻した後の重量損失もまた示されている。表4は、使用した産業副生成物の鉱物学的な相組成を示している。
原料混合物は、44重量%K1+25重量%FA1+サルフェート担体Al(OH)3を含有していた。焼結後、試料(M1)を直接冷却し、第二の資料(M1a)を、1,200℃から850℃へ、〜45分かけて温度を低下させ、そして、その後クリンカーを空気に曝して急速に冷却する、焼結後の焼き戻しのための冷却プログラムに供した。
原料混合物は、65重量%(80%K1/20%MK)+5重量%FA3+サルフェート担体及びAl(OH)3を含有していた。焼結後、試料(M2)を、M1と同じ冷却プログラムに供し、そしてその後冷却した。
原料混合物は、45重量%K1+35重量%S2+サルフェート担体及びAl(OH)3を含有していた。焼結後、試料(L1)は直接冷却し、第二の試料(L1a)は、焼結後にM1と同じ冷却プログラムに供し、そしてそれから冷却し、第三の試料(L1b)は、焼結後、温度を1,150℃から1,100℃へ、〜60分かけて冷却し、そしてそれからクリンカーを空気に曝して急速に冷却した。
原料混合物は、37重量%K1+54重量%FA2+サルフェート担体及びAl(OH)3を含有していた。焼結後、試料(L2)は直接冷却し、第二の試料(L2a)は、焼結後にL1bと同じ冷却プログラムに供し、それから冷却した。
原料混合物は、41重量%K1+41重量%S1+サルフェート担体及びAl(OH)3を含有していた。焼結後、試料(L3)は直接冷却し、第二の試料は(L3a)は、焼結後、M1と同じ冷却プログラムに供し、それから冷却した。
Claims (9)
- CaO、Al2O3(Fe2O3)、SiO2及びSO3の源を含有する原料粉末混合物を焼結することによって水和反応性クリンカーを製造する方法であって、
前記原料粉末混合物を、>1,200℃〜1,350℃の温度範囲で、該原料粉末混合物がクリンカー中間体生成物に変換するのに十分な時間にわたって焼結し、
前記クリンカー中間体生成物を、所望量のC5S2$を得るのに、そして所定量のアルミン酸塩相及び鉄酸塩相、及びC$が存在する該原材料の結晶性高温相の残滓がC4(AxF1−x)3$及びC5S2$に変換するのに十分な時間にわたって、1,200℃〜750℃までの温度範囲で焼き戻し、そして
主成分C4(AxF1−x)3$、(α;β)C2S及びC5S2$を次の割合、
・ C5S2$ 5〜75重量%
・ C2S 1〜80重量%
・ C4(AxF1−x)3$ 5〜70重量%
・ 副相 0〜30重量%
(式中、xは、0.1〜1の数である。)
で有する前記クリンカーが冷却されることを特徴とする、上記の方法。 - 前記原料粉末混合物、例えば、石灰岩、ボーキサイト、粘土/粘土岩、玄武岩、キンバーライト、イグニンブライト、カーボナタイト、無水石こう、石こうなど、及び/又は廃棄物質及び埋め立て材料のような産業副生成物、灰及び高品質及び低品質のスラグ、セラミック残滓、脱硫ヘドロ及び/又はリン酸石こうが、CaO、Al2O3(Fe2O3)、SiO2及びSO3の源として選択されることを特徴とする、請求項1に記載の方法。
- Al2O3(Fe2O3)の源として、少なくとも5重量%、好ましくは、≧10重量%、より好ましくは、≧15重量%のAl2O3(Fe2O3)含有量を有する、ボーキサイト、粘土及び/又は産業副生成物及び残滓が選択されることを特徴とする、請求項2に記載の方法。
- 一種又は多種の副相の種類及び量が、前記原料粉末混合物中のCaO/Al2O3(Fe2O3)、CaO/SiO2の重量比、及びサルフェート担体によって制御され、その際、該副相、例えば、ケイ酸カルシウム、サルフェート、アルミン酸カルシウム、スピネル、黄長石グループの代表物質、ペリクレース、遊離石灰、石英及び/又はガラス相が、0.1〜30重量%、好ましくは、5〜20重量%、より好ましくは、10〜15重量%の割合で存在することを特徴とする、請求項1〜3のいずれか一つに記載の方法。
- 前記水硬性クリンカーが、アルカリ金属、アルカリ土類金属、及び/又は遷移金属、及び/又は金属、及び/又は半金属、及び/又は非金属の群からの一種又は多種の第二の元素及び/又はそれらの化合物を、20重量%まで、好ましくは≦15重量%、より好ましくは、≦10重量%の割合で含有することを特徴とする、請求項1〜4のいずれか一つに記載の方法。
- 前記原料粉末混合物を調整するために、産業副生成物及びプロセスダストが調整剤として使用されることを特徴とする、請求項1〜5のいずれか一つに記載の方法。
- 前記原料粉末混合物が、1,500〜10,000cm2/g、好ましくは、2,000〜4,000cm2/gの粉末度(ブレーンによる)に粉砕されることを特徴とする、請求項1〜6のいずれか一つに記載の方法。
- 前記原料粉末の組成、前記調整剤の量、燃焼条件及び焼き戻しの規制が、C5S2$及び、β−C2Sの代わりに、例えば、α変性のようなC2Sの反応性変性が増大して起こるように選択されることを特徴とする、請求項1〜9のいずれか一つに記載の方法。
- アルカリ硫酸塩及び/又はアルカリ土類硫酸塩の形態、好ましくは、石こう及び/又は半水化物及び/又は無水物の形態のサルフェート担体を有するか又は有さない前記クリンカーが、2,000〜10,000cm2/g、好ましくは、3,000〜6,000cm2/g、より好ましくは、4,000〜5,000cm2/gの粉末度(ブレーンによる)に粉砕されることを特徴とする、請求項1〜10のいずれか一つに記載の方法。
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EP20110006757 EP2559674A1 (de) | 2011-08-18 | 2011-08-18 | Ternesit-Belit-Calciumsulfoaluminat-Klinker und Verfahren zu seiner Herstellung |
EP11006757.6 | 2011-08-18 | ||
EP11008570.1 | 2011-10-26 | ||
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EP12001488.1 | 2012-03-05 | ||
EP20120001488 EP2636654A1 (de) | 2012-03-05 | 2012-03-05 | Ternesit als Additiv zu Calciumsulfoaluminatzement |
EP12002111.8 | 2012-03-26 | ||
EP20120002111 EP2644577A1 (de) | 2012-03-26 | 2012-03-26 | Ternesit als Additiv zu Portlandzement |
EP12002342.9 | 2012-03-30 | ||
EP12002342.9A EP2617691B1 (de) | 2011-08-18 | 2012-03-30 | Ternesit als Anreger für latent-hydraulische und puzzolanische Materialien |
EP12003718.9A EP2617692B1 (de) | 2011-08-18 | 2012-05-10 | Verfahren und Additiv zur Steigerung der Frühfestigkeit und Verwendung des Additifs |
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PCT/EP2012/002978 WO2013023731A2 (de) | 2011-08-18 | 2012-07-16 | Verfahren zur herstellung von ternesit-belit-calciumsulfoaluminat-klinker |
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