DE3422267A1 - Verfahren zum beheizen eines reduktionsofens - Google Patents
Verfahren zum beheizen eines reduktionsofensInfo
- Publication number
- DE3422267A1 DE3422267A1 DE19843422267 DE3422267A DE3422267A1 DE 3422267 A1 DE3422267 A1 DE 3422267A1 DE 19843422267 DE19843422267 DE 19843422267 DE 3422267 A DE3422267 A DE 3422267A DE 3422267 A1 DE3422267 A1 DE 3422267A1
- Authority
- DE
- Germany
- Prior art keywords
- coal dust
- gas
- furnace
- fed
- carrier gas
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 title claims abstract description 6
- 239000002817 coal dust Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 239000012159 carrier gas Substances 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000004449 solid propellant Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 3
- 241000208202 Linaceae Species 0.000 claims 1
- 235000004431 Linum usitatissimum Nutrition 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013980 iron oxide Nutrition 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
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0003—Heating elements or systems with particulate fuel, e.g. aspects relating to the feeding
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843422267 DE3422267A1 (de) | 1984-06-15 | 1984-06-15 | Verfahren zum beheizen eines reduktionsofens |
| ZA854489A ZA854489B (en) | 1984-06-15 | 1985-06-14 | Process for heating a reduction kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843422267 DE3422267A1 (de) | 1984-06-15 | 1984-06-15 | Verfahren zum beheizen eines reduktionsofens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3422267A1 true DE3422267A1 (de) | 1985-12-19 |
| DE3422267C2 DE3422267C2 (enExample) | 1987-08-27 |
Family
ID=6238442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843422267 Granted DE3422267A1 (de) | 1984-06-15 | 1984-06-15 | Verfahren zum beheizen eines reduktionsofens |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3422267A1 (enExample) |
| ZA (1) | ZA854489B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981510A (en) * | 1988-08-06 | 1991-01-01 | Fried.Krupp Gesellschaft | Process and apparatus for the production of ferrochromium |
| EP0563828A1 (en) * | 1992-03-27 | 1993-10-06 | Nippon Sanso Corporation | Method of melting metals |
| EP0787966A1 (de) * | 1996-02-09 | 1997-08-06 | Linde Aktiengesellschaft | Verfahren zum Erschmelzen von Metallen sowie zum Warmhalten ebensolcher Schmelzen |
-
1984
- 1984-06-15 DE DE19843422267 patent/DE3422267A1/de active Granted
-
1985
- 1985-06-14 ZA ZA854489A patent/ZA854489B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| DE-Z.: Zement-Kalk-Gips 35(1982)Nr. 5, S. 246-252 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981510A (en) * | 1988-08-06 | 1991-01-01 | Fried.Krupp Gesellschaft | Process and apparatus for the production of ferrochromium |
| EP0563828A1 (en) * | 1992-03-27 | 1993-10-06 | Nippon Sanso Corporation | Method of melting metals |
| US5395423A (en) * | 1992-03-27 | 1995-03-07 | Nippon Sanso Corporation | Method of melting metals |
| EP0787966A1 (de) * | 1996-02-09 | 1997-08-06 | Linde Aktiengesellschaft | Verfahren zum Erschmelzen von Metallen sowie zum Warmhalten ebensolcher Schmelzen |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA854489B (en) | 1986-02-26 |
| DE3422267C2 (enExample) | 1987-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MANNESMANN AG, 4000 DUESSELDORF, DE |
|
| 8339 | Ceased/non-payment of the annual fee |