TWI660049B - 鋼液的脫硫處理方法及脫硫劑 - Google Patents

鋼液的脫硫處理方法及脫硫劑 Download PDF

Info

Publication number: TWI660049B
Authority: TW; Taiwan
Prior art keywords: molten steel; ladle; desulfurizing; desulfurization; mass
Prior art date: 2017-01-19

Application number

TW107101421A

Other languages

English (en)

Chinese (zh)

Other versions

TW201829790A (zh

Inventor

藤井勇輔

中井由枝

正木秀弥

菊池直樹

Original Assignee

日商杰富意鋼鐵股份有限公司

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.)

2017-01-19

Filing date

2018-01-15

Publication date

2019-05-21

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=62908427&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TWI660049(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2018-01-15 Application filed by 日商杰富意鋼鐵股份有限公司 filed Critical 日商杰富意鋼鐵股份有限公司

2018-08-16 Publication of TW201829790A publication Critical patent/TW201829790A/zh

2019-05-21 Application granted granted Critical

2019-05-21 Publication of TWI660049B publication Critical patent/TWI660049B/zh

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
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
- 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
- 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
- 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
- C21C7/072—Treatment with gases
- 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
- C21C7/076—Use of slags or fluxes as treating agents

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

TW107101421A 2017-01-19 2018-01-15 鋼液的脫硫處理方法及脫硫劑 TWI660049B (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017-007209		2017-01-19
JP2017007209		2017-01-19

Publications (2)

Publication Number	Publication Date
TW201829790A TW201829790A (zh)	2018-08-16
TWI660049B true TWI660049B (zh)	2019-05-21

Family

ID=62908427

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW107101421A TWI660049B (zh)	2017-01-19	2018-01-15	鋼液的脫硫處理方法及脫硫劑

Country Status (7)

Country	Link
EP (1)	EP3572534B1 (ja)
JP (1)	JP6743915B2 (ja)
KR (1)	KR102290861B1 (ja)
CN (1)	CN110177889B (ja)
BR (1)	BR112019013592B1 (ja)
TW (1)	TWI660049B (ja)
WO (1)	WO2018135344A1 (ja)

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TWI704232B (zh) *	2019-04-11	2020-09-11	日商日本製鐵股份有限公司	高效率的熔融鐵合金之精煉方法
CN110315064A (zh) *	2019-06-20	2019-10-11	同济大学	一种金属原料纯化处理剂以及纯化处理方法
CN111621620A (zh) *	2020-06-03	2020-09-04	马鞍山市兴达冶金新材料有限公司	一种提高脱硫效率的脱硫工艺
CN112939042A (zh) *	2021-01-29	2021-06-11	重庆坤垠环保科技实业发展有限公司	铝灰渣与硅灰协同处理利用方法及装置
TWI762226B (zh) *	2021-03-05	2022-04-21	國立中興大學	煉鋼用脫硫劑的製備方法
CN113088612A (zh) *	2021-03-15	2021-07-09	石家庄钢铁有限责任公司	利用lf炉进行铁水预处理脱硫的方法
CN113832296B (zh) *	2021-09-30	2022-10-14	广东韶钢松山股份有限公司	一种板坯钢在lf精炼炉内的快速脱硫方法
TWI820759B (zh) *	2022-06-20	2023-11-01	興展技術開發股份有限公司	鋼液脫硫方法
WO2025017973A1 (ja) *	2023-07-20	2025-01-23	Ｊｆｅスチール株式会社	溶鉄の脱燐方法

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2018
- 2018-01-10 EP EP18741544.3A patent/EP3572534B1/en active Active
- 2018-01-10 KR KR1020197023942A patent/KR102290861B1/ko active Active
- 2018-01-10 WO PCT/JP2018/000280 patent/WO2018135344A1/ja not_active Ceased
- 2018-01-10 JP JP2018563279A patent/JP6743915B2/ja active Active
- 2018-01-10 CN CN201880007085.2A patent/CN110177889B/zh active Active
- 2018-01-10 BR BR112019013592-8A patent/BR112019013592B1/pt active IP Right Grant
- 2018-01-15 TW TW107101421A patent/TWI660049B/zh active

Patent Citations (3)

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CN102337370A (zh) *	2011-10-26	2012-02-01	沈阳博联特熔融还原科技有限公司	一种冶炼工业纯铁的装置及方法
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CN105274272A (zh) *	2015-11-27	2016-01-27	马鞍山钢铁股份有限公司	一种复合喷吹铁水脱硫材料及其调节装置

Also Published As

Publication number	Publication date
EP3572534A1 (en)	2019-11-27
EP3572534B1 (en)	2021-04-28
WO2018135344A1 (ja)	2018-07-26
CN110177889B (zh)	2021-06-11
EP3572534A4 (en)	2019-11-27
BR112019013592A2 (pt)	2020-01-07
BR112019013592B1 (pt)	2022-08-16
JP6743915B2 (ja)	2020-08-19
JPWO2018135344A1 (ja)	2019-06-27
TW201829790A (zh)	2018-08-16
CN110177889A (zh)	2019-08-27
KR20190108136A (ko)	2019-09-23
KR102290861B1 (ko)	2021-08-17

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