NO130543B - - Google Patents
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- Publication number
- NO130543B NO130543B NO02823/70A NO282370A NO130543B NO 130543 B NO130543 B NO 130543B NO 02823/70 A NO02823/70 A NO 02823/70A NO 282370 A NO282370 A NO 282370A NO 130543 B NO130543 B NO 130543B
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- reducing agent
- carbon
- iron
- reduction
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000003077 lignite Substances 0.000 claims description 6
- 238000001465 metallisation Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 description 23
- 239000003245 coal Substances 0.000 description 12
- 235000013980 iron oxide Nutrition 0.000 description 8
- 239000002956 ash Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 241000273930 Brevoortia tyrannus Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010405 reoxidation reaction Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000010744 Boudouard reaction Methods 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000005864 Sulphur Substances 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
- 238000007664 blowing Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691942541 DE1942541A1 (de) | 1969-08-21 | 1969-08-21 | Verfahren zur Direktreduktion von eisenoxydhaltigen Materialien im Drehrohrofen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO130543B true NO130543B (es) | 1974-09-23 |
Family
ID=5743393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO02823/70A NO130543B (es) | 1969-08-21 | 1970-07-18 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE1942541A1 (es) |
| ES (1) | ES380901A1 (es) |
| GB (1) | GB1307869A (es) |
| NO (1) | NO130543B (es) |
| ZA (1) | ZA703903B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181520A (en) | 1975-01-14 | 1980-01-01 | Metallgesellschaft Aktiengesellschaft | Process for the direct reduction of iron oxide-containing materials in a rotary kiln |
| DE2621969A1 (de) * | 1976-05-18 | 1977-12-01 | Metallgesellschaft Ag | Waelzverfahren zur verfluechtigung von zink und blei aus eisenoxydhaltigen materialien |
| DE2905339A1 (de) * | 1979-02-13 | 1980-08-21 | Metallgesellschaft Ag | Verfahren zur erzeugung von stahl |
-
1969
- 1969-08-21 DE DE19691942541 patent/DE1942541A1/de active Pending
-
1970
- 1970-06-08 ZA ZA703903A patent/ZA703903B/xx unknown
- 1970-06-18 ES ES380901A patent/ES380901A1/es not_active Expired
- 1970-07-18 NO NO02823/70A patent/NO130543B/no unknown
- 1970-08-07 GB GB3826270A patent/GB1307869A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1307869A (en) | 1973-02-21 |
| DE1942541A1 (de) | 1971-03-04 |
| ES380901A1 (es) | 1972-09-16 |
| ZA703903B (en) | 1971-03-31 |
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