DE1458768A1 - Verfahren zum Reduzieren von Eisenerzen im Drehrohrofen - Google Patents
Verfahren zum Reduzieren von Eisenerzen im DrehrohrofenInfo
- Publication number
- DE1458768A1 DE1458768A1 DE19651458768 DE1458768A DE1458768A1 DE 1458768 A1 DE1458768 A1 DE 1458768A1 DE 19651458768 DE19651458768 DE 19651458768 DE 1458768 A DE1458768 A DE 1458768A DE 1458768 A1 DE1458768 A1 DE 1458768A1
- Authority
- DE
- Germany
- Prior art keywords
- coal
- furnace
- air
- rotary kiln
- discharge end
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 13
- 229910052742 iron Inorganic materials 0.000 title claims description 11
- 239000003245 coal Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 229910000514 dolomite Inorganic materials 0.000 claims 1
- 239000010459 dolomite Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 7
- 239000000571 coke Substances 0.000 description 5
- 239000002802 bituminous coal Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 241000221988 Russula cyanoxantha Species 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
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
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)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM0064055 | 1965-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1458768A1 true DE1458768A1 (de) | 1969-09-25 |
Family
ID=7311002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651458768 Pending DE1458768A1 (de) | 1965-02-05 | 1965-02-05 | Verfahren zum Reduzieren von Eisenerzen im Drehrohrofen |
Country Status (6)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3890138A (en) * | 1971-10-19 | 1975-06-17 | Western Titanium N L | Reduction of iron-containing ores |
| US3740044A (en) * | 1972-01-19 | 1973-06-19 | British Iron Steel Research | Method and apparatus for the production of iron or steel |
| US4531973A (en) * | 1980-04-08 | 1985-07-30 | Nixon Ivor G | Metallurgical processes |
| JPS5735644A (en) * | 1980-08-13 | 1982-02-26 | Toshin Seikou Kk | Recovering method for valuable metal from dust from electric furnace for manufacturing steel |
| US4378243A (en) * | 1981-05-22 | 1983-03-29 | The Direct Reduction Corporation | System for coal blowing in iron oxide reducing kilns |
| US4401466A (en) * | 1981-11-30 | 1983-08-30 | Korf Technologies, Inc. | Process for protection of nozzles and refractory lining of a vessel for refining molten metal |
| US4622905A (en) * | 1985-03-04 | 1986-11-18 | International Metals Reclamation Co., Inc. | Furnacing |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1213820A (en) * | 1915-07-16 | 1917-01-30 | Lars H Bergman | Pulverized-fuel burner. |
| US1581351A (en) * | 1920-12-30 | 1926-04-20 | Combustion Eng Corp | Method of and apparatus for burning pulverized fuel |
| US1735463A (en) * | 1927-07-08 | 1929-11-12 | Charles B Downs | Oil-burning apparatus |
| US2112566A (en) * | 1935-02-13 | 1938-03-29 | Polysius G Ag | Process and apparatus for the production of metallic iron in the rotary tube kiln |
| US2900248A (en) * | 1956-02-04 | 1959-08-18 | Fur Unternehmungen Der Eisen U | Direct smelting process in rotary kilns |
| US2986457A (en) * | 1957-11-26 | 1961-05-30 | Arthur J Jones | Iron ore reduction |
| US3100461A (en) * | 1960-04-26 | 1963-08-13 | Inland Steel Co | Adjustable mounting for adjustable powdered fuel burner |
| DE1221654B (de) * | 1961-01-31 | 1966-07-28 | Rheinstahl Ind Planung G M B H | Verfahren zur Reduktion von Eisenerzen in Drehoefen mit gasfoermigen oder fluessigenReduktionsmitteln |
| US3215188A (en) * | 1963-06-21 | 1965-11-02 | Canada Steel Co | Burner |
| US3235375A (en) * | 1964-04-02 | 1966-02-15 | Canada Steel Co | Process for the reduction of iron oxide |
-
1965
- 1965-02-05 DE DE19651458768 patent/DE1458768A1/de active Pending
-
1966
- 1966-01-27 NO NO161448A patent/NO115913B/no unknown
- 1966-02-01 BE BE675910D patent/BE675910A/xx unknown
- 1966-02-03 NL NL6601374A patent/NL6601374A/xx unknown
- 1966-02-04 GB GB5088/66A patent/GB1067706A/en not_active Expired
-
1969
- 1969-11-17 US US871681A patent/US3663201A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3663201A (en) | 1972-05-16 |
| BE675910A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-06-16 |
| GB1067706A (en) | 1967-05-03 |
| NO115913B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-12-30 |
| NL6601374A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-08-08 |
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