JPH021884B2 - - Google Patents
Info
- Publication number
- JPH021884B2 JPH021884B2 JP61299064A JP29906486A JPH021884B2 JP H021884 B2 JPH021884 B2 JP H021884B2 JP 61299064 A JP61299064 A JP 61299064A JP 29906486 A JP29906486 A JP 29906486A JP H021884 B2 JPH021884 B2 JP H021884B2
- Authority
- JP
- Japan
- Prior art keywords
- coal
- weight
- agent according
- calcium carbide
- desulfurization agent
- 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
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
- C21C1/025—Agents used for dephosphorising or 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)
- Spectrometry And Color Measurement (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3544562.9 | 1985-12-17 | ||
DE3544563.7 | 1985-12-17 | ||
DE19853544562 DE3544562C2 (de) | 1985-12-17 | 1985-12-17 | Feinkörniges Mittel zur Entschwefelung von Eisenschmelzen |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1066490A Division JPH0645813B2 (ja) | 1985-12-17 | 1989-03-20 | 溶鉄の脱硫法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62146207A JPS62146207A (ja) | 1987-06-30 |
JPH021884B2 true JPH021884B2 (en]) | 1990-01-16 |
Family
ID=6288629
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29906486A Granted JPS62146207A (ja) | 1985-12-17 | 1986-12-17 | 微粒子脱硫剤およびその製法 |
JP61299063A Expired - Lifetime JPH07111377B2 (ja) | 1985-12-17 | 1986-12-17 | ポリクロメ−タ− |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61299063A Expired - Lifetime JPH07111377B2 (ja) | 1985-12-17 | 1986-12-17 | ポリクロメ−タ− |
Country Status (2)
Country | Link |
---|---|
JP (2) | JPS62146207A (en]) |
DE (1) | DE3544562C2 (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3831831C1 (en]) * | 1988-09-20 | 1989-11-02 | Skw Trostberg Ag, 8223 Trostberg, De | |
DE3908071A1 (de) * | 1989-03-13 | 1990-09-20 | Hoechst Ag | Mittel und verfahren zum entschwefeln von metallschmelzen |
DE102005061161A1 (de) * | 2005-12-21 | 2007-06-28 | Skw Stahl-Metallurgie Gmbh | Verfahren zur Roheisenentschwefelung mit Hilfe von Calciumcarbid |
JP2023068357A (ja) * | 2021-11-02 | 2023-05-17 | 日本製鉄株式会社 | 溶鋼処理炉の操業方法および溶鋼処理炉の副原料 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2531047B2 (de) * | 1975-07-11 | 1978-07-06 | Kloeckner-Werke Ag, 4100 Duisburg | Verfahren zum Entschwefeln von Roheisen |
US3998625A (en) * | 1975-11-12 | 1976-12-21 | Jones & Laughlin Steel Corporation | Desulfurization method |
DE2709062A1 (de) * | 1977-03-02 | 1978-09-07 | Sueddeutsche Kalkstickstoff | Mittel und verfahren zur entschwefelung von eisenschmelzen |
DE2741588C2 (de) * | 1977-09-15 | 1985-02-07 | Skw Trostberg Ag, 8223 Trostberg | Mittel zum Entschwefeln von Eisenschmelzen |
JPS558480A (en) * | 1978-07-05 | 1980-01-22 | Denki Kagaku Kogyo Kk | Desulfurizer for molten iron |
US4266969A (en) * | 1980-01-22 | 1981-05-12 | Jones & Laughlin Steel Corporation | Desulfurization process |
JPS58178227A (ja) * | 1982-04-14 | 1983-10-19 | Hitachi Ltd | 多波長分光測光装置 |
JPS58225321A (ja) * | 1982-06-25 | 1983-12-27 | Hitachi Ltd | 凹面回折格子分光器 |
-
1985
- 1985-12-17 DE DE19853544562 patent/DE3544562C2/de not_active Revoked
-
1986
- 1986-12-17 JP JP29906486A patent/JPS62146207A/ja active Granted
- 1986-12-17 JP JP61299063A patent/JPH07111377B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62146207A (ja) | 1987-06-30 |
JPH07111377B2 (ja) | 1995-11-29 |
JPS62209324A (ja) | 1987-09-14 |
DE3544562A1 (de) | 1987-06-19 |
DE3544562C2 (de) | 1998-07-30 |
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