SE446275B - Granulerat medel innehallande kalciumoxid for behandling av jernsmelta - Google Patents

Granulerat medel innehallande kalciumoxid for behandling av jernsmelta

Info

Publication number
SE446275B
SE446275B SE7902804A SE7902804A SE446275B SE 446275 B SE446275 B SE 446275B SE 7902804 A SE7902804 A SE 7902804A SE 7902804 A SE7902804 A SE 7902804A SE 446275 B SE446275 B SE 446275B
Authority
SE
Sweden
Prior art keywords
calcium oxide
agent
iron
oxide
refining
Prior art date
Application number
SE7902804A
Other languages
English (en)
Swedish (sv)
Other versions
SE7902804L (sv
Inventor
R Yoshimura
M Honda
N Hirokawa
Original Assignee
Showa Denko Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of SE7902804L publication Critical patent/SE7902804L/
Publication of SE446275B publication Critical patent/SE446275B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • C21C7/0645Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
SE7902804A 1978-04-04 1979-03-29 Granulerat medel innehallande kalciumoxid for behandling av jernsmelta SE446275B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3878178A JPS54131521A (en) 1978-04-04 1978-04-04 Antidigestive calcic smelting agent for steel

Publications (2)

Publication Number Publication Date
SE7902804L SE7902804L (sv) 1979-10-05
SE446275B true SE446275B (sv) 1986-08-25

Family

ID=12534826

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7902804A SE446275B (sv) 1978-04-04 1979-03-29 Granulerat medel innehallande kalciumoxid for behandling av jernsmelta

Country Status (6)

Country Link
US (1) US4225348A (ja)
JP (1) JPS54131521A (ja)
CA (1) CA1121602A (ja)
DE (1) DE2913207C2 (ja)
GB (1) GB2019444B (ja)
SE (1) SE446275B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA812968B (en) * 1980-05-10 1982-05-26 Foseco Int Desulphurisation of ferrous melts
JPS5770219A (en) * 1980-10-21 1982-04-30 Nisshin Steel Co Ltd Method for dephosphorizing, desulfurizing and denitrifying iron alloy
US4681625A (en) * 1980-11-03 1987-07-21 Wilson William G Methods for simultaneously desulfurizing and degassing steels
JPS58151416A (ja) * 1982-03-03 1983-09-08 Sumitomo Metal Ind Ltd クロムを含む溶融鉄合金の脱燐・脱硫方法
JPS58197210A (ja) * 1982-05-14 1983-11-16 Onoda Cement Co Ltd 石灰質鉄鋼精錬剤
DE19609606A1 (de) * 1996-03-12 1997-09-18 Dillinger Huettenwerke Ag Verfahren zum Entschwefeln von Roheisen
CN102443705A (zh) * 2012-01-04 2012-05-09 金川集团有限公司 一种雾化法制备金属粉末的复合脱氧剂
CN108411068A (zh) * 2018-03-26 2018-08-17 首臣(上海)新能源科技有限公司 一种用于真空吹氧脱碳精炼法的造渣剂及制备方法
CN115044796A (zh) * 2022-06-29 2022-09-13 铜山县丰华工贸有限公司 一种无氯高效精炼剂及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979583A (en) * 1961-09-25 1965-01-06 Inst Electrosvarki E O Paton Refining metals
US3551137A (en) * 1968-01-10 1970-12-29 Electro Slag Inst Flux for electroslag consumable remelting of nickel base super alloys and certain iron base alloys
US3802865A (en) * 1969-08-29 1974-04-09 Nippon Kokan Kk Self soluble slag forming agents for use in steel making
JPS4936518A (ja) * 1972-08-09 1974-04-04
US4014685A (en) * 1973-11-27 1977-03-29 Foseco International Limited Manufacture of steel
JPS5613767B2 (ja) * 1974-05-31 1981-03-31
JPS51139514A (en) * 1974-06-07 1976-12-01 Sumitomo Metal Ind Ltd Process for producing desulfurizing agents used for steel making
JPS5160685A (ja) * 1974-11-22 1976-05-26 Nippon Buroaa Kogyo Kk Gasukyuchakusochi
US4097269A (en) * 1975-01-14 1978-06-27 Inteco Internationale Technische Beratung Gesellschaft M.B.H. Process of desulfurizing liquid melts
DE2545340B2 (de) * 1975-10-09 1978-02-16 Sumitomo Metal Industries, Ltd, Osaka (Japan) Verfahren zum entschwefeln von geschmolzenem stahl
JPS6038450B2 (ja) * 1976-06-17 1985-08-31 株式会社神戸製鋼所 塩基性スラグ

Also Published As

Publication number Publication date
CA1121602A (en) 1982-04-13
GB2019444B (en) 1982-07-14
US4225348A (en) 1980-09-30
JPS54131521A (en) 1979-10-12
JPS5725614B2 (ja) 1982-05-31
DE2913207A1 (de) 1979-10-11
SE7902804L (sv) 1979-10-05
GB2019444A (en) 1979-10-31
DE2913207C2 (de) 1986-09-18

Similar Documents

Publication Publication Date Title
US3890139A (en) Continuous process for refining sulfide ores
SE446275B (sv) Granulerat medel innehallande kalciumoxid for behandling av jernsmelta
KR101096498B1 (ko) 백금족 원소의 회수법
US4726839A (en) Process and an arrangement for the production of steel from sponge iron
UA77584C2 (en) Highly titanium ferroalloy, which is obtained by two-stage reduction in the electrical furnace from ilmenite
RU2329322C2 (ru) Способ получения высокотитанового ферросплава из ильменита
CN113088716A (zh) 一种电渣重熔用超低氧渣系及其制备方法
SE440918B (sv) Forfarande for utvinning av metallverdena i zinkhaltiga blyravaror
GB1421121A (en) Furnaces
WO1989002415A1 (en) Method for the purification of silicon
US4203760A (en) Method for producing steel from sponge metal by using a gas plasma
JP2001517734A (ja) 連続トップブローン銅変換炉内の温度ピークを調節しそして/または処理能力を高める方法
US3892561A (en) Composition for treating steels
JP4370401B2 (ja) 製錬炉およびこれを用いた白金族元素の回収法
KR100224635B1 (ko) 청정강 제조용 슬래그 탈산제
FI69647C (fi) Foerfarande foer framstaellning och behandling av ferrokrom
JPS6141712A (ja) 銑鉄、鋼、他の金属、及び金属合金から汚染元素を除去する方法
US4131451A (en) Method for removing zinc from zinc-containing slags
GB2070582A (en) Refractory Materials
RU2220222C1 (ru) Способ обогащения титанокремнистых концентратов
US3136601A (en) Process of manufacturing pure aluminum oxide from aluminum ores
RU2224034C1 (ru) Способ извлечения металлов платиновой группы
SU1397492A1 (ru) Графитизирующий состав смеси дл модифицировани чугуна
SU1745774A1 (ru) Сплав дл производства чугуна и способ его получени
JPS6137340B2 (ja)

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7902804-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7902804-9

Format of ref document f/p: F