KR890010217A - 용선용 탈인제 - Google Patents
용선용 탈인제 Download PDFInfo
- Publication number
- KR890010217A KR890010217A KR1019870015102A KR870015102A KR890010217A KR 890010217 A KR890010217 A KR 890010217A KR 1019870015102 A KR1019870015102 A KR 1019870015102A KR 870015102 A KR870015102 A KR 870015102A KR 890010217 A KR890010217 A KR 890010217A
- Authority
- KR
- South Korea
- Prior art keywords
- dephosphor
- charter
- caf
- solvent
- dephosphorizing agent
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 32-38중량％의 CaO 및 50-61중량％의 산화철을 주성분으로 하고 9-11중량％의 매용제를 함유한 탈인제에 있어서, 상기 매용제는 중량부로 CaF225-50％와 회붕석(2CaOㆍ3B2O3ㆍ5H2O) 75-25％ 또는 CaF250-75％와 빙정석 50-25％로 조성됨을 특징으로 하는 용선용탈인제.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870015102A KR900007663B1 (ko) | 1987-12-28 | 1987-12-28 | 용선용 탈인제 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870015102A KR900007663B1 (ko) | 1987-12-28 | 1987-12-28 | 용선용 탈인제 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890010217A true KR890010217A (ko) | 1989-08-07 |
| KR900007663B1 KR900007663B1 (ko) | 1990-10-18 |
Family
ID=19267457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870015102A KR900007663B1 (ko) | 1987-12-28 | 1987-12-28 | 용선용 탈인제 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900007663B1 (ko) |
-
1987
- 1987-12-28 KR KR1019870015102A patent/KR900007663B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR900007663B1 (ko) | 1990-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19960904 Year of fee payment: 7 |
|
| LAPS | Lapse due to unpaid annual fee |