DD209614A5 - Verfahren zur herstellung von feuerfesten magnesiachromerzeugnissen - Google Patents
Verfahren zur herstellung von feuerfesten magnesiachromerzeugnissen Download PDFInfo
- Publication number
- DD209614A5 DD209614A5 DD83249611A DD24961183A DD209614A5 DD 209614 A5 DD209614 A5 DD 209614A5 DD 83249611 A DD83249611 A DD 83249611A DD 24961183 A DD24961183 A DD 24961183A DD 209614 A5 DD209614 A5 DD 209614A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- weight
- content
- magnesia
- sio
- cao
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 230000009970 fire resistant effect Effects 0.000 title abstract 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 51
- 239000011651 chromium Substances 0.000 claims description 37
- 239000004575 stone Substances 0.000 claims description 31
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 28
- 229910052804 chromium Inorganic materials 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 17
- 239000003518 caustics Substances 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 5
- 239000011451 fired brick Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 2
- 235000012245 magnesium oxide Nutrition 0.000 description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 11
- 239000012141 concentrate Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 235000019341 magnesium sulphate Nutrition 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000001095 magnesium carbonate Substances 0.000 description 4
- 235000014380 magnesium carbonate Nutrition 0.000 description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052928 kieserite Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 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
- 231100000989 no adverse effect Toxicity 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 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
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000007704 transition Effects 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 (1)
| Publication Number | Publication Date |
|---|---|
| DD209614A5 true DD209614A5 (de) | 1984-05-16 |
Family
ID=3513283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD83249611A DD209614A5 (de) | 1982-04-08 | 1983-04-06 | Verfahren zur herstellung von feuerfesten magnesiachromerzeugnissen |
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 |
| 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 |
| IE54202B1 (en) | 1989-07-19 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UW | Conversion of economic patent into exclusive patent | ||
| ENJ | Ceased due to non-payment of renewal fee |