JPH0368082B2 - - Google Patents
Info
- Publication number
- JPH0368082B2 JPH0368082B2 JP6473885A JP6473885A JPH0368082B2 JP H0368082 B2 JPH0368082 B2 JP H0368082B2 JP 6473885 A JP6473885 A JP 6473885A JP 6473885 A JP6473885 A JP 6473885A JP H0368082 B2 JPH0368082 B2 JP H0368082B2
- Authority
- JP
- Japan
- Prior art keywords
- bath
- gas
- slag
- oxygen
- furnace
- 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 - Lifetime
Links
- 239000007789 gas Substances 0.000 claims description 90
- 239000002893 slag Substances 0.000 claims description 59
- 238000002485 combustion reaction Methods 0.000 claims description 45
- 239000002184 metal Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 239000001301 oxygen Substances 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- 239000002994 raw material Substances 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000007670 refining Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000000567 combustion gas Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 53
- 229910052742 iron Inorganic materials 0.000 description 26
- 238000007664 blowing Methods 0.000 description 13
- 239000003245 coal Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241001232253 Xanthisma spinulosum Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
-
- 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60064738A JPS61221322A (ja) | 1985-03-27 | 1985-03-27 | 金属原料溶解精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60064738A JPS61221322A (ja) | 1985-03-27 | 1985-03-27 | 金属原料溶解精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61221322A JPS61221322A (ja) | 1986-10-01 |
| JPH0368082B2 true JPH0368082B2 (zh) | 1991-10-25 |
Family
ID=13266788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60064738A Granted JPS61221322A (ja) | 1985-03-27 | 1985-03-27 | 金属原料溶解精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61221322A (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0136903Y2 (zh) * | 1985-07-30 | 1989-11-08 | ||
| JPH0699735B2 (ja) * | 1985-10-03 | 1994-12-07 | 日本鋼管株式会社 | 製錬炉における溶湯への熱付加方法及びその装置 |
| JPH0699736B2 (ja) * | 1985-10-14 | 1994-12-07 | 日本鋼管株式会社 | 精錬または製錬での溶湯への熱付加方法およびその製鋼炉 |
| ZA906892B (en) * | 1989-09-04 | 1991-06-26 | Nippon Steel Corp | Method of operating in-bath smelting reduction furnace |
| JP2602573B2 (ja) * | 1990-06-29 | 1997-04-23 | 川崎重工業株式会社 | 金属精錬法 |
| JP5411466B2 (ja) * | 2008-08-08 | 2014-02-12 | 株式会社神戸製鋼所 | 鉄浴式溶解炉およびそれを用いた溶鉄製造方法 |
| DE102015105307A1 (de) * | 2015-04-08 | 2016-10-13 | Sms Group Gmbh | Konverter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232207A (ja) * | 1983-06-14 | 1984-12-27 | Kawasaki Steel Corp | クロム鉱石の溶融還元によるステンレス鋼母溶湯の溶製方法 |
-
1985
- 1985-03-27 JP JP60064738A patent/JPS61221322A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232207A (ja) * | 1983-06-14 | 1984-12-27 | Kawasaki Steel Corp | クロム鉱石の溶融還元によるステンレス鋼母溶湯の溶製方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61221322A (ja) | 1986-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0131266B1 (ko) | 컨버터를 이용한 철의 제조방법 | |
| US5286277A (en) | Method for producing steel | |
| US5632953A (en) | Process and device for melting iron metallurgical materials in a coke-fired cupola | |
| US3232748A (en) | Process for the production of steel | |
| JPH0368082B2 (zh) | ||
| KR100187693B1 (ko) | 고철 용해 방법 | |
| CA1043575A (en) | Method and device for melting metals | |
| JP2007138207A (ja) | 溶融還元方法 | |
| JP4479541B2 (ja) | 高クロム溶鋼の溶製方法 | |
| EP0950117B1 (en) | A method for producing metals and metal alloys | |
| JP2983087B2 (ja) | 溶融還元の操業方法 | |
| JP7416043B2 (ja) | 溶鉄の精錬方法 | |
| JP3290844B2 (ja) | 屑鉄の溶解方法 | |
| JP5526614B2 (ja) | 溶融還元方法 | |
| JP3286114B2 (ja) | 屑鉄から高炭素溶融鉄を製造する方法 | |
| JP2666396B2 (ja) | 溶銑の製造方法 | |
| SU901284A1 (ru) | Способ получени стали в кислородных конвертерах | |
| JPH06228623A (ja) | エネルギ−使用量の少ない製鋼方法 | |
| SU1201322A1 (ru) | Способ производства стали из стального лома | |
| JP2560667B2 (ja) | 溶銑製造方法 | |
| JPS62116712A (ja) | スプラツシユランスを有する溶解・製錬容器 | |
| JP3523720B2 (ja) | スクラップ溶解法 | |
| JPH07216425A (ja) | 溶融鉄合金の製造方法 | |
| JP2530932Y2 (ja) | 筒型炉微粉炭吹込みノズル | |
| JP2560668B2 (ja) | スクラップの溶解精錬方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |