GB1410045A - Open hearth furnaces - Google Patents
Open hearth furnacesInfo
- Publication number
- GB1410045A GB1410045A GB5101972A GB5101972A GB1410045A GB 1410045 A GB1410045 A GB 1410045A GB 5101972 A GB5101972 A GB 5101972A GB 5101972 A GB5101972 A GB 5101972A GB 1410045 A GB1410045 A GB 1410045A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tuyeres
- propane
- furnace
- burners
- oxygen
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/04—Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel
-
- 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
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/002—Siemens-Martin type 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
1410045 Open hearth furnaces SIDNEY STEEL CORP 6 Nov 1972 [22 March 1972] 51019/72 Heading F4B A basic open hearth furnace for the production of steel has banks of tuyeres extending through the magnesite back wall 4 on each side of the taphole, each tuyere comprising an inner tube 13 and a coaxial outer tube 14 cemented into tar impregnated high density magnesite brick interlocked by recesses and protuberances, oxygen being supplied to tube 13 by valve controlled line 13a and a hydrocarbon, e.g. propane to the space between the tubes by valve controlled line 14a. The tuyeres are assembled side by side to form the banks (Fig. 5). The furnace is reversibly heated by end oil burners 8 associated with conventional air heating regenerators (9, Figs. 1 and 3). In operation lime, limestone, ore and scrap (up to about 60% by weight) are charged into the furnace, and heated by burners 8 and the tuyeres. Finally molten iron to complete the charge is added, burners 8 cut off and the oxygen/propane flow increased, the proportion of propane being about 3¢% by volume. The oxygen supply through the tuyeres may be out off after refining or after tapping and replaced by argon or nitrogen.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA137,789A CA998526A (en) | 1972-03-22 | 1972-03-22 | Open hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1410045A true GB1410045A (en) | 1975-10-15 |
Family
ID=4092731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5101972A Expired GB1410045A (en) | 1972-03-22 | 1972-11-06 | Open hearth furnaces |
Country Status (17)
| Country | Link |
|---|---|
| AR (1) | AR196505A1 (en) |
| AU (1) | AU465896B2 (en) |
| BE (1) | BE791958A (en) |
| BG (1) | BG20121A3 (en) |
| BR (1) | BR7300080D0 (en) |
| CA (1) | CA998526A (en) |
| DD (1) | DD100282A5 (en) |
| DE (1) | DE2255945A1 (en) |
| ES (1) | ES408782A1 (en) |
| FR (1) | FR2176656A1 (en) |
| GB (1) | GB1410045A (en) |
| HU (1) | HU164510B (en) |
| IT (1) | IT974010B (en) |
| NL (1) | NL7215782A (en) |
| NO (1) | NO132763C (en) |
| RO (1) | RO60571A (en) |
| ZA (1) | ZA727970B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2719981C3 (en) * | 1977-05-04 | 1987-12-03 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Steelmaking process |
| DE2816543C2 (en) * | 1978-04-17 | 1988-04-14 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Steel making process |
-
0
- BE BE791958D patent/BE791958A/en unknown
-
1972
- 1972-03-22 CA CA137,789A patent/CA998526A/en not_active Expired
- 1972-11-06 GB GB5101972A patent/GB1410045A/en not_active Expired
- 1972-11-07 AU AU48613/72A patent/AU465896B2/en not_active Expired
- 1972-11-07 NO NO402572A patent/NO132763C/no unknown
- 1972-11-10 ZA ZA727970A patent/ZA727970B/en unknown
- 1972-11-13 HU HUSI001281 patent/HU164510B/hu unknown
- 1972-11-15 DE DE2255945A patent/DE2255945A1/en active Pending
- 1972-11-16 BG BG021882A patent/BG20121A3/en unknown
- 1972-11-20 ES ES408782A patent/ES408782A1/en not_active Expired
- 1972-11-22 NL NL7215782A patent/NL7215782A/xx unknown
- 1972-11-28 RO RO7296472A patent/RO60571A/ro unknown
- 1972-11-28 FR FR7242219A patent/FR2176656A1/fr not_active Withdrawn
- 1972-12-07 DD DD16737472A patent/DD100282A5/xx unknown
- 1972-12-12 IT IT5463272A patent/IT974010B/en active
- 1972-12-28 AR AR24591172A patent/AR196505A1/en active
-
1973
- 1973-01-04 BR BR8073A patent/BR7300080D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR196505A1 (en) | 1974-02-06 |
| DD100282A5 (en) | 1973-09-12 |
| ES408782A1 (en) | 1975-10-16 |
| HU164510B (en) | 1974-02-28 |
| NL7215782A (en) | 1973-09-25 |
| AU465896B2 (en) | 1975-10-09 |
| CA998526A (en) | 1976-10-19 |
| RO60571A (en) | 1976-10-15 |
| NO132763B (en) | 1975-09-22 |
| BG20121A3 (en) | 1975-10-30 |
| NO132763C (en) | 1975-12-29 |
| ZA727970B (en) | 1973-07-25 |
| BR7300080D0 (en) | 1974-06-27 |
| FR2176656A1 (en) | 1973-11-02 |
| AU4861372A (en) | 1974-05-09 |
| DE2255945A1 (en) | 1973-10-11 |
| BE791958A (en) | 1973-03-16 |
| IT974010B (en) | 1974-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |