CA1069313A - Methode de reduction directe en four rotatif des matieres contenant de l'oxyde de fer - Google Patents
Methode de reduction directe en four rotatif des matieres contenant de l'oxyde de ferInfo
- Publication number
- CA1069313A CA1069313A CA243,570A CA243570A CA1069313A CA 1069313 A CA1069313 A CA 1069313A CA 243570 A CA243570 A CA 243570A CA 1069313 A CA1069313 A CA 1069313A
- Authority
- CA
- Canada
- Prior art keywords
- rotary kiln
- solid carbonaceous
- process according
- charged
- carbonaceous reducing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 21
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 title claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 25
- 239000000470 constituent Substances 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 239000010419 fine particle Substances 0.000 claims abstract description 3
- 238000002844 melting Methods 0.000 claims abstract 2
- 230000008018 melting Effects 0.000 claims abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 230000009257 reactivity Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 10
- 239000003575 carbonaceous material Substances 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000969130 Atthis Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000003476 subbituminous coal Substances 0.000 description 1
- 238000009827 uniform distribution Methods 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
-
- 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)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752501182 DE2501182A1 (de) | 1975-01-14 | 1975-01-14 | Verfahren zur direktreduktion von eisenoxydhaltigen materialien im drehrohrofen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069313A true CA1069313A (fr) | 1980-01-08 |
Family
ID=5936385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,570A Expired CA1069313A (fr) | 1975-01-14 | 1976-01-13 | Methode de reduction directe en four rotatif des matieres contenant de l'oxyde de fer |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU498225B2 (fr) |
| BR (1) | BR7508574A (fr) |
| CA (1) | CA1069313A (fr) |
| DE (1) | DE2501182A1 (fr) |
| GB (1) | GB1532969A (fr) |
| IN (1) | IN143905B (fr) |
| IT (1) | IT1054732B (fr) |
| NL (1) | NL7513171A (fr) |
| TR (1) | TR18932A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653512C2 (de) * | 1976-11-25 | 1983-10-06 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Direktreduktion von oxydischen eisenhaltigen Materialien |
| DE2719422C2 (de) * | 1977-04-30 | 1982-04-29 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Direktreduktion von Eisenoxyde enthaltenden Materialien zu Schwammeisen im Drehrohrofen |
| DE2835866A1 (de) * | 1978-08-16 | 1980-02-28 | Metallgesellschaft Ag | Verfahren zur direktreduktion von eisenoxidhaltigen materialien |
| DE3509505A1 (de) * | 1985-03-16 | 1986-09-18 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen |
-
1975
- 1975-01-14 DE DE19752501182 patent/DE2501182A1/de not_active Withdrawn
- 1975-04-02 IN IN674/CAL/75A patent/IN143905B/en unknown
- 1975-11-07 TR TR18932A patent/TR18932A/xx unknown
- 1975-11-11 NL NL7513171A patent/NL7513171A/xx not_active Application Discontinuation
- 1975-11-20 AU AU86784/75A patent/AU498225B2/en not_active Expired
- 1975-12-10 GB GB50712/75A patent/GB1532969A/en not_active Expired
- 1975-12-23 BR BR7508574*A patent/BR7508574A/pt unknown
-
1976
- 1976-01-09 IT IT19084/76A patent/IT1054732B/it active
- 1976-01-13 CA CA243,570A patent/CA1069313A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| TR18932A (tr) | 1977-12-20 |
| BR7508574A (pt) | 1976-08-24 |
| IT1054732B (it) | 1981-11-30 |
| GB1532969A (en) | 1978-11-22 |
| IN143905B (fr) | 1978-02-25 |
| DE2501182A1 (de) | 1976-07-15 |
| NL7513171A (nl) | 1976-07-16 |
| AU498225B2 (en) | 1979-02-22 |
| AU8678475A (en) | 1977-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |