IE54202B1 - Method of manufacturing refractory magnesia-chromium product - Google Patents
Method of manufacturing refractory magnesia-chromium productInfo
- Publication number
- IE54202B1 IE54202B1 IE678/83A IE67883A IE54202B1 IE 54202 B1 IE54202 B1 IE 54202B1 IE 678/83 A IE678/83 A IE 678/83A IE 67883 A IE67883 A IE 67883A IE 54202 B1 IE54202 B1 IE 54202B1
- Authority
- IE
- Ireland
- Prior art keywords
- weight
- mixture
- magnesia
- content
- chromium
- Prior art date
Links
- 239000011651 chromium Substances 0.000 title claims abstract description 73
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 105
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 239000011449 brick Substances 0.000 claims abstract description 39
- 238000005245 sintering Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 235000012245 magnesium oxide Nutrition 0.000 abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 34
- 229910052681 coesite Inorganic materials 0.000 abstract description 25
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 25
- 229910052682 stishovite Inorganic materials 0.000 abstract description 25
- 229910052905 tridymite Inorganic materials 0.000 abstract description 25
- 239000003518 caustics Substances 0.000 abstract description 10
- 239000000377 silicon dioxide Substances 0.000 abstract description 9
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 9
- 229910018404 Al2 O3 Inorganic materials 0.000 abstract 2
- 229910019830 Cr2 O3 Inorganic materials 0.000 abstract 2
- 229910017344 Fe2 O3 Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- QDOXWKRWXJOMAK-UHFFFAOYSA-N chromium(III) oxide Inorganic materials O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000001095 magnesium carbonate Substances 0.000 description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 4
- 235000014380 magnesium carbonate Nutrition 0.000 description 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011451 fired brick Substances 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- -1 MgO compound Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052928 kieserite Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction 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
- C04B35/01—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
- C04B35/03—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
- C04B35/047—Refractories from grain sized mixtures containing chromium oxide or chrome ore
- C04B35/0476—Refractories from grain sized mixtures containing chromium oxide or chrome ore obtained from prereacted sintered grains ("simultaneous sinter")
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0141082A AT373229B (de) | 1982-04-08 | 1982-04-08 | Verfahren zur herstellung eines feuerfesten magnesiachrom-sintermaterials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE830678L IE830678L (en) | 1983-10-08 |
| IE54202B1 true IE54202B1 (en) | 1989-07-19 |
Family
ID=3513283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE678/83A IE54202B1 (en) | 1982-04-08 | 1983-03-28 | Method of manufacturing refractory magnesia-chromium product |
Country Status (14)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3527789C3 (de) * | 1985-08-02 | 1994-02-24 | Refratechnik Gmbh | Grobkeramischer Formkörper sowie dessen Verwendung |
| JPS63110929U (enrdf_load_stackoverflow) * | 1987-01-06 | 1988-07-16 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1571638B2 (de) * | 1966-12-24 | 1972-01-05 | International Minerals and Chemical Corp., Skokie, 111. (V.StA.) | Verfahren zur herstellung eines feuerfesten koerpers aus einer granulierten mischung con chrom spinell und periklas |
| AT290374B (de) * | 1969-04-03 | 1971-05-25 | Oesterr Amerikan Magnesit | Verfahren zur Herstellung von feuerfesten Magnesitchrom- und Chrommagnesitsteinen |
| DE2015566C3 (de) * | 1969-05-15 | 1975-07-24 | General Refractories Co., Philadelphia, Pa. (V.St.A.) | Verfahren zur Herstellung von direkt gebundenen, feuerfesten Formkörpern |
| AT336478B (de) * | 1972-09-29 | 1977-05-10 | Veitscher Magnesitwerke Ag | Verfahren zur herstellung von gebrannten feuerfesten steinen |
| AT353154B (de) * | 1973-10-03 | 1979-10-25 | Pickford Holland & Company Lim | Material fuer die herstellung von feuerfesten steinen u.dgl. |
| HU176631B (en) * | 1977-06-10 | 1981-03-28 | Veszpremi Vegyipari Egyetem | Process for preparing compact simultaneous sinters of direct bond |
-
1982
- 1982-04-08 AT AT0141082A patent/AT373229B/de not_active IP Right Cessation
-
1983
- 1983-03-24 IL IL68226A patent/IL68226A/xx unknown
- 1983-03-25 DE DE8383200420T patent/DE3364146D1/de not_active Expired
- 1983-03-25 EP EP83200420A patent/EP0091704B1/de not_active Expired
- 1983-03-28 IE IE678/83A patent/IE54202B1/en unknown
- 1983-03-30 CA CA000424891A patent/CA1197267A/en not_active Expired
- 1983-04-04 GR GR70982A patent/GR78156B/el unknown
- 1983-04-06 BR BR8301745A patent/BR8301745A/pt not_active IP Right Cessation
- 1983-04-06 TR TR21803A patent/TR21803A/xx unknown
- 1983-04-06 DD DD83249611A patent/DD209614A5/de not_active IP Right Cessation
- 1983-04-06 YU YU808/83A patent/YU42620B/xx unknown
- 1983-04-07 ES ES521297A patent/ES521297A0/es active Granted
- 1983-04-07 JP JP58061512A patent/JPS58185476A/ja active Granted
- 1983-04-08 MX MX196873A patent/MX156507A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU80883A (en) | 1986-02-28 |
| TR21803A (tr) | 1985-07-18 |
| DD209614A5 (de) | 1984-05-16 |
| GR78156B (enrdf_load_stackoverflow) | 1984-09-26 |
| EP0091704A1 (de) | 1983-10-19 |
| JPS6331428B2 (enrdf_load_stackoverflow) | 1988-06-23 |
| MX156507A (es) | 1988-09-05 |
| BR8301745A (pt) | 1983-12-13 |
| AT373229B (de) | 1983-12-27 |
| YU42620B (en) | 1988-10-31 |
| ES8405749A1 (es) | 1984-06-16 |
| EP0091704B1 (de) | 1986-06-18 |
| DE3364146D1 (en) | 1986-07-24 |
| IL68226A (en) | 1986-03-31 |
| JPS58185476A (ja) | 1983-10-29 |
| IE830678L (en) | 1983-10-08 |
| ES521297A0 (es) | 1984-06-16 |
| ATA141082A (de) | 1983-05-15 |
| CA1197267A (en) | 1985-11-26 |
| IL68226A0 (en) | 1983-06-15 |
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