KR910006502A - 용선의 탈황방법 - Google Patents
용선의 탈황방법 Download PDFInfo
- Publication number
- KR910006502A KR910006502A KR1019890013259A KR890013259A KR910006502A KR 910006502 A KR910006502 A KR 910006502A KR 1019890013259 A KR1019890013259 A KR 1019890013259A KR 890013259 A KR890013259 A KR 890013259A KR 910006502 A KR910006502 A KR 910006502A
- Authority
- KR
- South Korea
- Prior art keywords
- desulfurization
- molten iron
- charter
- desulfurization method
- ladle
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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)
Abstract
Description
Claims (1)
- 혼선차 또는 래들등에 용선을 수선한 다음 인젝션법에 의하여 탈황처리하는 용선의 탈황방법에 있어서, 상기 혼선차 또는 래들내의 용선중에 텐스를 침적시켜 캐리어 가스만을 취입하여 굳어진 스라그를 용체화시켜 배제시킨 다음, 인젝션법에 의해서 1차로 탈황처리하고, 랜스를 다시 침적시켜 캐리어가스만으로 취입하여 용선과 미반응 탈황제간의 탈황반응에 의하여 2차로 탈황처리하는 것을 특징으로 하는 용선의 탈황방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890013259A KR910010054B1 (ko) | 1989-09-12 | 1989-09-12 | 용선의 탈황방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890013259A KR910010054B1 (ko) | 1989-09-12 | 1989-09-12 | 용선의 탈황방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910006502A true KR910006502A (ko) | 1991-04-29 |
KR910010054B1 KR910010054B1 (ko) | 1991-12-12 |
Family
ID=19289896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890013259A KR910010054B1 (ko) | 1989-09-12 | 1989-09-12 | 용선의 탈황방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910010054B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101665069B1 (ko) * | 2015-09-17 | 2016-10-24 | 주식회사 포스코 | 용선의 정련 방법 |
-
1989
- 1989-09-12 KR KR1019890013259A patent/KR910010054B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910010054B1 (ko) | 1991-12-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR830007852A (ko) | 크롬함유선첩의 탈인, 탈황, 탈질소방법 | |
KR910006502A (ko) | 용선의 탈황방법 | |
KR890006833A (ko) | 강의 연속용해공정 | |
JPS52111813A (en) | Composite for desulfurization of molten pig iron | |
KR970043110A (ko) | 제강슬래그의 개질처리방법 | |
JPS5310315A (en) | Preparation of wiry addition agent for steel | |
JPS51151204A (en) | A cupola for melting metal with auxiliary fuel and refining with coke | |
KR850007089A (ko) | 급속탈탄 제강공정 | |
JPS51125618A (en) | Compound clad for steel refining | |
JPS52126601A (en) | Preliminary treatment of molten metal | |
JPS5254608A (en) | Process for the operation of convertor | |
GB1397449A (en) | Method of refining iron metls containing chromium | |
JPS5258011A (en) | Dephosphorizing agent for iron refining | |
JPS52153820A (en) | Modification of adamite material | |
KR940014837A (ko) | 진공탈가스장치의 진공조내 용강탈황방법 | |
JPS534715A (en) | Desulfurizing agent of molten pig iron | |
KR950018520A (ko) | 저수소 고질소강의 제조방법 | |
BR9712408A (pt) | Método e agente para dessulfurização | |
JPS538310A (en) | Reusing method of steel making slag | |
KR890010220A (ko) | 탈규 슬라그 포밍(Slag Foaming)억제제 | |
JPS5390118A (en) | Steel-making method using formed synthetic slag and resulting indecreased amount of slag discharged | |
SE7903594L (sv) | Anordning for behandling av stalsmeltor i en skenk genom bottenblasning | |
GB1471434A (en) | Treatment of iron melts | |
JPS5241110A (en) | Treating process of molten pig iron | |
JPS5244715A (en) | Continuous method of refining molten iron alloy by using alkali metal compoun |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19890912 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19890912 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19910909 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19911113 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19920304 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19920506 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19920506 End annual number: 3 Start annual number: 1 |
|
PR1001 | Payment of annual fee |
Payment date: 19940329 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 19950429 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 19961028 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 19970806 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 19980709 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 19991130 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20001202 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20001202 Start annual number: 10 End annual number: 10 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |