TW232712B - Method for producing steel - Google Patents
Method for producing steelInfo
- Publication number
- TW232712B TW232712B TW082107324A TW82107324A TW232712B TW 232712 B TW232712 B TW 232712B TW 082107324 A TW082107324 A TW 082107324A TW 82107324 A TW82107324 A TW 82107324A TW 232712 B TW232712 B TW 232712B
- Authority
- TW
- Taiwan
- Prior art keywords
- ferrous
- steel making
- combustion
- metallic
- materials
- Prior art date
Links
Classifications
-
- 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
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A steel making process is disclosed that utilizes solid ferrous metallic material as a substantial part of the metallic charge and uses heat released by combustion of two different types of carbonaceous materials and steel scrap that have been strategically charged inside of at least a partially refractory lined steel making vessel. One of the carbonaceous materials contains a high content of volatile hydrocarbons and is primarily responsible for early preheating and partial melting of the solid ferrous material. The second carbonaceous material contains a low content of volatile hydrocarbons and is primarily responsible for providing a reducing capability to the slag, for carburizing the melt and for providing additional heat generated by combustion which is used to enhance heating and melting of solid ferrous materials. This method of steel making also consists of the controllable introduction of oxygen rich oxidizing gas which initially is used for combustion of the hydrocarbons in the carbonaceous materials to melt solid ferrous metallic material and further is used for ignition and burning of a part of preheated solid ferrous metallic material located in central zone of the furnace and for refining the accumulated molten pool of ferrous material before tapping. Slag forming material is used at the bottom of the furnace to provide for continuous refining of molten ferrous material including removal of phosphorus and sulfur throughout entire steel making process. Liquid ferrous materials also can be charged in some embodiments of this method of steel production. Electrical energy may be used as an additional heat source to increase the metallic yield.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/067,859 US5378261A (en) | 1992-05-26 | 1993-05-26 | Method for producing steel |
Publications (1)
Publication Number | Publication Date |
---|---|
TW232712B true TW232712B (en) | 1994-10-21 |
Family
ID=51454493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW082107324A TW232712B (en) | 1993-05-26 | 1993-09-07 | Method for producing steel |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW232712B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7759582B2 (en) | 2005-07-07 | 2010-07-20 | Ibiden Co., Ltd. | Multilayer printed wiring board |
US7834273B2 (en) | 2005-07-07 | 2010-11-16 | Ibiden Co., Ltd. | Multilayer printed wiring board |
-
1993
- 1993-09-07 TW TW082107324A patent/TW232712B/en active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7759582B2 (en) | 2005-07-07 | 2010-07-20 | Ibiden Co., Ltd. | Multilayer printed wiring board |
US7834273B2 (en) | 2005-07-07 | 2010-11-16 | Ibiden Co., Ltd. | Multilayer printed wiring board |
US7973249B2 (en) | 2005-07-07 | 2011-07-05 | Ibiden Co., Ltd. | Multilayer printed wiring board |
US8181341B2 (en) | 2005-07-07 | 2012-05-22 | Ibiden Co., Ltd. | Method of forming a multilayer printed wiring board having a bulged via |
US8212363B2 (en) | 2005-07-07 | 2012-07-03 | Ibiden Co., Ltd. | Multilayer printed wiring board |
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