KR960023097A - 분말철의 고로취입방법 - Google Patents

분말철의 고로취입방법 Download PDF

Info

Publication number
KR960023097A
KR960023097A KR1019940040301A KR19940040301A KR960023097A KR 960023097 A KR960023097 A KR 960023097A KR 1019940040301 A KR1019940040301 A KR 1019940040301A KR 19940040301 A KR19940040301 A KR 19940040301A KR 960023097 A KR960023097 A KR 960023097A
Authority
KR
South Korea
Prior art keywords
blast furnace
iron
blowing
lubricating oil
powder
Prior art date
Application number
KR1019940040301A
Other languages
English (en)
Other versions
KR970002117B1 (ko
Inventor
김경태
Original Assignee
김만제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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 김만제, 포항종합제철 주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김만제
Priority to KR1019940040301A priority Critical patent/KR970002117B1/ko
Publication of KR960023097A publication Critical patent/KR960023097A/ko
Application granted granted Critical
Publication of KR970002117B1 publication Critical patent/KR970002117B1/ko

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents

Landscapes

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

Abstract

본 발명은 제철소에서 발생되는 분말철의 고로취입방법에 관한 것으로서, 그 목적은, 분말철을 고로의 풍구에 취입할 때 분말철을 용융환원시킬 수 있는 탄화수소 매체로 조정제된 폐윤활유를 사용하므로서, 분말철을 분말 상태 그대로 취입할 수 있는 효과적인 고로취입방법을 제공하고자 하는데 있다.
상기 목적을 달성하기 위한 본 발명은 조정제된 폐윤활유에 50중량% 이하의 철분말을 혼합하여 슬러리를 제조한 다음, 이 슬러리 연료를 고로 풍구내로 분사하여 구성되는 분말철의 고로 취입방법에 관한 것을 그 요지로 한다.

Description

분말철의 고로취입방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 조정제된 폐윤활유에 50중량% 이하의 철분말을 혼합하여 슬러리를 제조한 다음, 이 슬러리 연료를 고로 풍구내로 분사하여 구성되는 분말철의 고로 취입방법.
  2. 제1항에 있어서, 상기 조정제된 폐윤활유중의 저융점 금속인 Pb 및 Zn이 각각 200ppm 이하로 함유된 것임을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940040301A 1994-12-31 1994-12-31 분말철의 고로취입방법 KR970002117B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940040301A KR970002117B1 (ko) 1994-12-31 1994-12-31 분말철의 고로취입방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940040301A KR970002117B1 (ko) 1994-12-31 1994-12-31 분말철의 고로취입방법

Publications (2)

Publication Number Publication Date
KR960023097A true KR960023097A (ko) 1996-07-18
KR970002117B1 KR970002117B1 (ko) 1997-02-22

Family

ID=19406097

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940040301A KR970002117B1 (ko) 1994-12-31 1994-12-31 분말철의 고로취입방법

Country Status (1)

Country Link
KR (1) KR970002117B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102003024B1 (ko) 2019-03-18 2019-10-17 주식회사 조일기업 기밀 유지가 가능한 조정형 이젝터 이송시스템

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102003024B1 (ko) 2019-03-18 2019-10-17 주식회사 조일기업 기밀 유지가 가능한 조정형 이젝터 이송시스템

Also Published As

Publication number Publication date
KR970002117B1 (ko) 1997-02-22

Similar Documents

Publication Publication Date Title
GR3029712T3 (en) Process for producing hydraulic binders and/or alloys, e.g. ferrochromium or ferrovanadium
US4279643A (en) Magnesium bearing compositions for and method of steel desulfurization
KR960023097A (ko) 분말철의 고로취입방법
KR950006013A (ko) 스테인레스강의 제조방법
KR830009250A (ko) 철기 합금용 첨가제
Yadav et al. Solid Wastes Recyling through Sinter-Status at Tata Steel
KR890010220A (ko) 탈규 슬라그 포밍(Slag Foaming)억제제
KR960023119A (ko) 브리켓형 레이들 슬래그 탈산제
ATE197722T1 (de) Gewinnung von roheisen, ferro- und/oder buntmetall-legierungen zusammen mit synthetischer hochofenschlacke aus müllverbrennungsrückständen und stahlwerksschlacke
DE2835872A1 (de) Verfahren zur verminderung der staubund flammenbelaestigung bei der handhabung der schlacken nach der roheisenentschwefelung und hierfuer geeignetes entschwefelungsgemisch
KR970043098A (ko) 레이들 슬래그를 이용한 용선 탈황제
KR100295152B1 (ko) 금속 폐기물을 이용한 제강조업 안정제
Craddock et al. Gizeh iron revisited
JPS538310A (en) Reusing method of steel making slag
Le Brun et al. Improved Molten metal quality at the outlet of the furnace through the IRMA treatment
Pozhivanov Experience on producing the low-sulfur tube steels
DE19546738A1 (de) Verfahren zur Entschwefelung von Roheisenschmelzen
JPS57161016A (en) Refining method of low sulfur high chromium steel
US1628281A (en) Process of making basic open-hearth steel
Davydov et al. Nonwaste Recycling of Nonferrous Metallurgy Slags in Iron Casting
Thompson et al. Eight-ton pilot trials of EAF dust injection
Pronskoi et al. The Quality of Cast Steel Treated in the Ladle With Slags
JPS55158238A (en) Treatment of metallic industrial waste
Hahn et al. Application of the RH-Process at Thyssen AG for the Production of Selected Steel Grades
Druschitz et al. Solid Metal-Induced Embrittlement of Metals

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20090224

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee