JPH01136936A - 高炉装入用自溶性ペレットの製造方法 - Google Patents

高炉装入用自溶性ペレットの製造方法

Info

Publication number: JPH01136936A
Authority: JP; Japan
Prior art keywords: self; pellets; pellet; fusing; blast furnace
Prior art date: 1987-11-20
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.): Granted

Application number

JP29457487A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0377853B2 (de

Inventor

Takeshi Sugiyama

健杉山

Akiji Shirouchi

城内　章治

Kunihiko Tokukasa

徳嵩　国彦

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kobe Steel Ltd

Original Assignee

Kobe Steel Ltd

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.)

1987-11-20

Filing date

1987-11-20

Publication date

1989-05-30

1987-11-20 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

1987-11-20 Priority to JP29457487A priority Critical patent/JPH01136936A/ja

1988-11-04 Priority to AU24723/88A priority patent/AU594003B2/en

1989-05-30 Publication of JPH01136936A publication Critical patent/JPH01136936A/ja

1991-04-01 Priority to US07/679,828 priority patent/US5127940A/en

1991-12-11 Publication of JPH0377853B2 publication Critical patent/JPH0377853B2/ja

Status Granted legal-status Critical Current

Links

239000008188 pellet Substances 0.000 title claims abstract description 91
238000004519 manufacturing process Methods 0.000 title claims abstract description 12
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
239000010459 dolomite Substances 0.000 claims abstract description 12
229910000514 dolomite Inorganic materials 0.000 claims abstract description 12
229910052742 iron Inorganic materials 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims abstract description 9
235000019738 Limestone Nutrition 0.000 claims abstract description 8
239000006028 limestone Substances 0.000 claims abstract description 8
239000002245 particle Substances 0.000 claims description 23
239000002994 raw material Substances 0.000 claims description 21
238000010304 firing Methods 0.000 claims description 20
239000012256 powdered iron Substances 0.000 claims description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 31
229910052681 coesite Inorganic materials 0.000 abstract description 16
229910052906 cristobalite Inorganic materials 0.000 abstract description 16
229910052682 stishovite Inorganic materials 0.000 abstract description 16
229910052905 tridymite Inorganic materials 0.000 abstract description 16
239000000377 silicon dioxide Substances 0.000 abstract description 15
235000012239 silicon dioxide Nutrition 0.000 abstract description 15
230000000704 physical effect Effects 0.000 abstract description 3
230000001105 regulatory effect Effects 0.000 abstract 3
238000001354 calcination Methods 0.000 abstract 2
239000000463 material Substances 0.000 abstract 2
239000011148 porous material Substances 0.000 description 36
238000005259 measurement Methods 0.000 description 4
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
229910052753 mercury Inorganic materials 0.000 description 4
239000002893 slag Substances 0.000 description 3
WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical group O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 2
230000007423 decrease Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000000691 measurement method Methods 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
208000035126 Facies Diseases 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000011549 displacement method Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000004575 stone Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000009736 wetting Methods 0.000 description 1
239000008096 xylene Substances 0.000 description 1

Landscapes

Manufacture And Refinement Of Metals (AREA)

JP29457487A 1987-11-04 1987-11-20 高炉装入用自溶性ペレットの製造方法 Granted JPH01136936A (ja)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
JP29457487A JPH01136936A (ja)	1987-11-20	1987-11-20	高炉装入用自溶性ペレットの製造方法
AU24723/88A AU594003B2 (en)	1987-11-20	1988-11-04	Self-fluxing pellets to be charged into blast furnace, and method for producing same
US07/679,828 US5127940A (en)	1987-11-04	1991-04-01	Self-fluxing pellets to be charged into blast furnace, and method for producing same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP29457487A JPH01136936A (ja)	1987-11-20	1987-11-20	高炉装入用自溶性ペレットの製造方法

Publications (2)

Publication Number	Publication Date
JPH01136936A true JPH01136936A (ja)	1989-05-30
JPH0377853B2 JPH0377853B2 (de)	1991-12-11

Family

ID=17809541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP29457487A Granted JPH01136936A (ja)	1987-11-04	1987-11-20	高炉装入用自溶性ペレットの製造方法

Country Status (1)

Country	Link
JP (1)	JPH01136936A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008139893A1 (ja) *	2007-05-08	2008-11-20	Kabushiki Kaisha Kobe Seiko Sho	高炉用自溶性ペレットおよびその製造方法
JP2022034210A (ja) *	2020-08-18	2022-03-03	日本製鉄株式会社	高炉用焼成ペレット及び高炉用焼成ペレットの製造方法
WO2022208904A1 (ja)	2021-04-01	2022-10-06	株式会社神戸製鋼所	鉄鉱石ペレットの製造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4418836B2 (ja)	2007-12-20	2010-02-24	株式会社神戸製鋼所	高炉用自溶性ペレットおよびその製造方法
WO2025023053A1 (ja)	2023-07-25	2025-01-30	Ｊｆｅスチール株式会社	ガス還元率測定方法、高炉操業方法、直接還元シャフト炉の操業方法及び鉄原料
JP7794331B2 (ja)	2023-07-25	2026-01-06	Ｊｆｅスチール株式会社	高炉操業方法
WO2025028220A1 (ja)	2023-08-02	2025-02-06	Ｊｆｅスチール株式会社	高炉操業方法

1987
- 1987-11-20 JP JP29457487A patent/JPH01136936A/ja active Granted

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008139893A1 (ja) *	2007-05-08	2008-11-20	Kabushiki Kaisha Kobe Seiko Sho	高炉用自溶性ペレットおよびその製造方法
JP2022034210A (ja) *	2020-08-18	2022-03-03	日本製鉄株式会社	高炉用焼成ペレット及び高炉用焼成ペレットの製造方法
WO2022208904A1 (ja)	2021-04-01	2022-10-06	株式会社神戸製鋼所	鉄鉱石ペレットの製造方法

Also Published As

Publication number	Publication date
JPH0377853B2 (de)	1991-12-11

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