KR100777923B1 - 전기로 더스트를 슬래그화 하는 방법 - Google Patents
전기로 더스트를 슬래그화 하는 방법 Download PDFInfo
- Publication number
- KR100777923B1 KR100777923B1 KR20040071909A KR20040071909A KR100777923B1 KR 100777923 B1 KR100777923 B1 KR 100777923B1 KR 20040071909 A KR20040071909 A KR 20040071909A KR 20040071909 A KR20040071909 A KR 20040071909A KR 100777923 B1 KR100777923 B1 KR 100777923B1
- Authority
- KR
- South Korea
- Prior art keywords
- slag
- dust
- molten
- electric
- electric furnace
- Prior art date
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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
-
- 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
- C21C2200/00—Recycling of waste material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- 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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (2)
- 삭제
- 산화철이 주성분인 전기로 더스트를 슬래그화 하는 방법에 있어서,입자크기를 1~5mm로 입상화 한 상기 전기로 더스트를 슬래그 발생량 대비 더스트 발생량이 10%이하로 하여 용융산화기 슬래그에 투입하고,상기 용융산화기 슬래그에 산소를 취입하여 상기 더스트 및 슬래그 내의 FeO를 산화시켜 산화열을 발생시켜 상기 용융산화기 슬래그의 현열과 상기 발생된 산화열로 전기로 더스트를 슬래그화 시키는 것을 특징으로 하는 전기로 더스트를 슬래그화 하는 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040071909A KR100777923B1 (ko) | 2004-09-08 | 2004-09-08 | 전기로 더스트를 슬래그화 하는 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040071909A KR100777923B1 (ko) | 2004-09-08 | 2004-09-08 | 전기로 더스트를 슬래그화 하는 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060023080A KR20060023080A (ko) | 2006-03-13 |
KR100777923B1 true KR100777923B1 (ko) | 2007-11-21 |
Family
ID=37129408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20040071909A KR100777923B1 (ko) | 2004-09-08 | 2004-09-08 | 전기로 더스트를 슬래그화 하는 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100777923B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100979014B1 (ko) | 2008-05-19 | 2010-08-30 | 주식회사 포스코 | Cdq 더스트를 이용한 슬래그 포밍 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103014356B (zh) * | 2012-12-27 | 2014-11-05 | 四川西南不锈钢有限责任公司 | 不锈钢除尘灰中回收铬、镍的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6409793B1 (en) | 1999-04-22 | 2002-06-25 | “Holderbank” Financiere Glarus AG | Method for processing steel slags containing chromium |
-
2004
- 2004-09-08 KR KR20040071909A patent/KR100777923B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6409793B1 (en) | 1999-04-22 | 2002-06-25 | “Holderbank” Financiere Glarus AG | Method for processing steel slags containing chromium |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100979014B1 (ko) | 2008-05-19 | 2010-08-30 | 주식회사 포스코 | Cdq 더스트를 이용한 슬래그 포밍 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20060023080A (ko) | 2006-03-13 |
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