JPS58104106A - 直接還元製鉄方法および同方法に使用する直接還元製鉄炉 - Google Patents

直接還元製鉄方法および同方法に使用する直接還元製鉄炉

Info

Publication number: JPS58104106A
Authority: JP; Japan
Prior art keywords: furnace; residual oil; pellets; direct reduction; carbonized
Prior art date: 1981-12-16
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

JP20283581A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0333763B2 (de

Inventor

Toshio Matsuoka

松岡　俊雄

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.)

Sumitomo Heavy Industries Ltd

Original Assignee

Sumitomo Heavy Industries 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.)

1981-12-16

Filing date

1981-12-16

Publication date

1983-06-21

1981-12-16 Application filed by Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd

1981-12-16 Priority to JP20283581A priority Critical patent/JPS58104106A/ja

1983-06-21 Publication of JPS58104106A publication Critical patent/JPS58104106A/ja

1991-05-20 Publication of JPH0333763B2 publication Critical patent/JPH0333763B2/ja

Status Granted legal-status Critical Current

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 34
229910052742 iron Inorganic materials 0.000 title claims abstract description 17
238000000034 method Methods 0.000 title claims description 8
238000004519 manufacturing process Methods 0.000 title description 4
239000008188 pellet Substances 0.000 claims abstract description 21
238000002844 melting Methods 0.000 claims abstract description 16
230000008018 melting Effects 0.000 claims abstract description 16
239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
238000010438 heat treatment Methods 0.000 claims abstract description 7
239000000203 mixture Substances 0.000 claims abstract description 6
239000002184 metal Substances 0.000 claims description 7
229910052751 metal Inorganic materials 0.000 claims description 7
239000003795 chemical substances by application Substances 0.000 claims description 5
230000003009 desulfurizing effect Effects 0.000 claims description 5
239000012256 powdered iron Substances 0.000 claims description 3
230000006698 induction Effects 0.000 abstract description 4
238000010000 carbonizing Methods 0.000 abstract description 3
238000001035 drying Methods 0.000 abstract description 3
239000002893 slag Substances 0.000 abstract description 3
235000019738 Limestone Nutrition 0.000 abstract description 2
229910000805 Pig iron Inorganic materials 0.000 abstract description 2
239000006028 limestone Substances 0.000 abstract description 2
239000003921 oil Substances 0.000 abstract 5
239000000843 powder Substances 0.000 abstract 2
238000005336 cracking Methods 0.000 abstract 1
239000010459 dolomite Substances 0.000 abstract 1
229910000514 dolomite Inorganic materials 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
239000007789 gas Substances 0.000 description 14
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
239000002994 raw material Substances 0.000 description 4
239000007787 solid Substances 0.000 description 4
238000007254 oxidation reaction Methods 0.000 description 3
239000002737 fuel gas Substances 0.000 description 2
238000002407 reforming Methods 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000003575 carbonaceous material Substances 0.000 description 1
238000003763 carbonization Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000006477 desulfuration reaction Methods 0.000 description 1
230000023556 desulfurization Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
239000003350 kerosene Substances 0.000 description 1
CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000000630 rising effect Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacture Of Iron (AREA)

JP20283581A 1981-12-16 1981-12-16 直接還元製鉄方法および同方法に使用する直接還元製鉄炉 Granted JPS58104106A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP20283581A JPS58104106A (ja)	1981-12-16	1981-12-16	直接還元製鉄方法および同方法に使用する直接還元製鉄炉

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP20283581A JPS58104106A (ja)	1981-12-16	1981-12-16	直接還元製鉄方法および同方法に使用する直接還元製鉄炉

Publications (2)

Publication Number	Publication Date
JPS58104106A true JPS58104106A (ja)	1983-06-21
JPH0333763B2 JPH0333763B2 (de)	1991-05-20

Family

ID=16463974

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP20283581A Granted JPS58104106A (ja)	1981-12-16	1981-12-16	直接還元製鉄方法および同方法に使用する直接還元製鉄炉

Country Status (1)

Country	Link
JP (1)	JPS58104106A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9863702B2 (en) *	2015-10-27	2018-01-09	Vale S.A.	Process for ore moisture reduction in conveyor belts and transfer chutes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5918453A (ja) *	1982-07-22	1984-01-30	Tokyo Keiki Co Ltd	探触子回転型超音波探傷機用探触子ホルダ

1981
- 1981-12-16 JP JP20283581A patent/JPS58104106A/ja active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5918453A (ja) *	1982-07-22	1984-01-30	Tokyo Keiki Co Ltd	探触子回転型超音波探傷機用探触子ホルダ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9863702B2 (en) *	2015-10-27	2018-01-09	Vale S.A.	Process for ore moisture reduction in conveyor belts and transfer chutes

Also Published As

Publication number	Publication date
JPH0333763B2 (de)	1991-05-20

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