DE2165595C3 - Gesintertes Pellet und Verfahren zu seiner Herstellung - Google Patents
Gesintertes Pellet und Verfahren zu seiner HerstellungInfo
- Publication number
- DE2165595C3 DE2165595C3 DE2165595A DE2165595A DE2165595C3 DE 2165595 C3 DE2165595 C3 DE 2165595C3 DE 2165595 A DE2165595 A DE 2165595A DE 2165595 A DE2165595 A DE 2165595A DE 2165595 C3 DE2165595 C3 DE 2165595C3
- Authority
- DE
- Germany
- Prior art keywords
- pellets
- total
- pellet
- skin
- carbon
- 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.)
- Expired
Links
- 239000008188 pellet Substances 0.000 title claims description 104
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 11
- 230000008569 process Effects 0.000 title description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 239000011651 chromium Substances 0.000 claims description 52
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 30
- 229910052804 chromium Inorganic materials 0.000 claims description 30
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 239000003575 carbonaceous material Substances 0.000 claims description 16
- 150000001247 metal acetylides Chemical class 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000006722 reduction reaction Methods 0.000 description 22
- 230000009467 reduction Effects 0.000 description 21
- 239000000571 coke Substances 0.000 description 16
- 239000002253 acid Substances 0.000 description 9
- 238000005245 sintering Methods 0.000 description 9
- 229910001021 Ferroalloy Inorganic materials 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 235000013980 iron oxide Nutrition 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010405 reoxidation reaction Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical class O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
- -1 Al 2 Oj Inorganic materials 0.000 description 1
- ZUMMKALUNVXLCS-UHFFFAOYSA-N O=[Ag]=O Chemical compound O=[Ag]=O ZUMMKALUNVXLCS-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 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
- C04B35/42—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 chromites
-
- 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
-
- 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
- C04B35/12—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 chromium oxide
-
- 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
- C04B35/44—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 aluminates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45122512A JPS4936848B1 (fr) | 1970-12-30 | 1970-12-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2165595A1 DE2165595A1 (de) | 1972-08-10 |
| DE2165595B2 DE2165595B2 (de) | 1974-08-01 |
| DE2165595C3 true DE2165595C3 (de) | 1982-05-13 |
Family
ID=14837672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2165595A Expired DE2165595C3 (de) | 1970-12-30 | 1971-12-30 | Gesintertes Pellet und Verfahren zu seiner Herstellung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3802864A (fr) |
| JP (1) | JPS4936848B1 (fr) |
| BR (1) | BR7102995D0 (fr) |
| CA (1) | CA952721A (fr) |
| DE (1) | DE2165595C3 (fr) |
| FR (1) | FR2121165A5 (fr) |
| TR (1) | TR16929A (fr) |
| ZA (1) | ZA718315B (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043831A (en) * | 1975-07-07 | 1977-08-23 | Cogas Development Co. | Densification of coal fly ash |
| DE2948640C2 (de) * | 1979-12-04 | 1984-12-20 | Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn | Verfahren und Vorrichtung zur thermischen Gewinnung von Aluminium |
| KR0125761B1 (ko) * | 1988-03-11 | 1997-12-18 | 지미 알.오크스 | 탄화규소나 탄화망간 또는 그 철함유합금의 제조방법 |
| JP2655864B2 (ja) * | 1988-03-14 | 1997-09-24 | 昭和電工株式会社 | 高還元クロム鉱石粉体の製造方法 |
| US5169023A (en) * | 1991-09-04 | 1992-12-08 | Dart Industries Inc. | Tilting mixing bowl |
| KR101498995B1 (ko) * | 2007-05-24 | 2015-03-06 | 타타 스틸 리미티드 | 크롬철광 광석／정광으로부터 크롬 금속 너깃을 제조하는 방법 |
| AU2008295564B2 (en) * | 2007-09-04 | 2011-12-01 | Cardero Resource Corporation | Direct processing of metallic ore concentrates into ferroalloys |
| TW201400624A (zh) * | 2012-06-28 | 2014-01-01 | Yieh United Steel Corp | 利用鎳、鉻礦生產沃斯田鐵系不銹鋼的方法 |
| CN104789757B (zh) * | 2015-04-28 | 2018-05-25 | 内蒙古包钢钢联股份有限公司 | 一种表面粘附煅烧菱镁矿的球团矿及其制备方法 |
| WO2024161378A1 (fr) * | 2023-02-03 | 2024-08-08 | Sylvania South Africa (Pty) Ltd | Procédé de production de pastilles agglomérées |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869850A (en) * | 1954-03-17 | 1959-01-20 | Union Carbide Corp | Preparation of ore and method of heat treatment |
| US2915378A (en) * | 1955-01-21 | 1959-12-01 | Union Carbide Corp | Synthetic chromium ore agglomerate for use in the production of ferrochromium alloys |
| US2883278A (en) * | 1958-09-03 | 1959-04-21 | Union Carbide Corp | Process for preparing a sintered agglomerate |
| US3153586A (en) * | 1960-05-06 | 1964-10-20 | Union Carbide Corp | Slag coated ore compacts and process for making the same |
| DE1143029B (de) * | 1960-05-06 | 1963-01-31 | Union Carbide Corp | Pellets fuer metallurgische Reduktionsverfahren und Verfahren zu ihrer Herstellung |
| US3163520A (en) * | 1960-12-27 | 1964-12-29 | Elektrokemisk As | Process and apparatus for preheating and pre-reduction of charge to electric furnace |
| US3244507A (en) * | 1964-06-10 | 1966-04-05 | Reserve Mining Co | Method of indurating ore particles |
| US3482964A (en) * | 1967-03-03 | 1969-12-09 | Yawata Seitetsu Kk | Process of obtaining a granular charge for the blast furnace from a pyrite cinder and iron manufacture dust or powdered iron ore |
-
1970
- 1970-12-30 JP JP45122512A patent/JPS4936848B1/ja active Pending
-
1971
- 1971-05-18 BR BR2995/71A patent/BR7102995D0/pt unknown
- 1971-12-13 ZA ZA718315A patent/ZA718315B/xx unknown
- 1971-12-14 US US00207996A patent/US3802864A/en not_active Expired - Lifetime
- 1971-12-29 CA CA131,326A patent/CA952721A/en not_active Expired
- 1971-12-29 TR TR16929A patent/TR16929A/xx unknown
- 1971-12-30 FR FR7147586A patent/FR2121165A5/fr not_active Expired
- 1971-12-30 DE DE2165595A patent/DE2165595C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2165595A1 (de) | 1972-08-10 |
| US3802864A (en) | 1974-04-09 |
| JPS4936848B1 (fr) | 1974-10-03 |
| FR2121165A5 (fr) | 1972-08-18 |
| TR16929A (tr) | 1973-11-01 |
| ZA718315B (en) | 1972-08-30 |
| BR7102995D0 (pt) | 1973-04-05 |
| DE2165595B2 (de) | 1974-08-01 |
| CA952721A (en) | 1974-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |