KR880007746A - Blast furnace - Google Patents

Blast furnace Download PDF

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Publication number
KR880007746A
KR880007746A KR870014984A KR870014984A KR880007746A KR 880007746 A KR880007746 A KR 880007746A KR 870014984 A KR870014984 A KR 870014984A KR 870014984 A KR870014984 A KR 870014984A KR 880007746 A KR880007746 A KR 880007746A
Authority
KR
South Korea
Prior art keywords
furnace
inlet
gas
distance
supply pipe
Prior art date
Application number
KR870014984A
Other languages
Korean (ko)
Other versions
KR930004473B1 (en
Inventor
요따로 오오노
히로히사 훗다
가즈마사 와끼모도
히또시 가와다
가즈히꼬 쯔지모도
Original Assignee
가또 야수다까
니홍 고강 가부시기 가이샤
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
Priority claimed from JP30913386A external-priority patent/JPH0619090B2/en
Priority claimed from JP62000222A external-priority patent/JPS63169312A/en
Priority claimed from JP62001853A external-priority patent/JPS63171815A/en
Application filed by 가또 야수다까, 니홍 고강 가부시기 가이샤 filed Critical 가또 야수다까
Publication of KR880007746A publication Critical patent/KR880007746A/en
Application granted granted Critical
Publication of KR930004473B1 publication Critical patent/KR930004473B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace

Abstract

내용 없음.No content.

Description

용 광 로Blast furnace

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 용광로의 수직 단면도.1 is a vertical sectional view of the furnace according to the invention.

제2도는 제1도의 II-II선을 따라 취한 본 발명의 용광로의 수평 단부도.2 is a horizontal end view of the furnace of the present invention taken along line II-II of FIG.

제3도는 본 발명에 따른 용광로의 연료비와 화입구의 상대적인 위치와의 관계를 도시하는 그래프.3 is a graph showing the relationship between the fuel cost of a blast furnace and the relative position of a fire opening according to the present invention.

Claims (6)

용광로 본체와 ; 40체적% 이상의 산소를 갖는 풍공 개스가 화입되도록 용광로 본체의 하부에 설치된 풍공과 ; 풍공 입구의 높이와 적층선 사이의 거리를 1.0으로 할 경우 용광로 본체의 적층선 하측으로 0.15 내지 0.60의 범위에 설치된 예열 개스용 화입구로 구성되는 것을 특징으로 하는 용광로.Furnace main body; A wind hole installed in the lower part of the furnace body so that the air hole gas having oxygen of 40% by volume or more is entrained; A furnace comprising preheating gas inlets provided in the range of 0.15 to 0.60 below the stack line of the furnace main body when the distance between the height of the air hole inlet and the stack line is 1.0. 제1항에 있어서, 화입구는 상기 거리의 0.30 내지 0.55의 범위에 설치되는 것을 특징으로 하는 용광로.The furnace according to claim 1, wherein the inlet is provided in a range of 0.30 to 0.55 of the distance. 제1항에 있어서, 화입구는 용광로 본체의 동일한 높이에 설치되는 것을 특징으로 하는 용광로.The furnace according to claim 1, wherein the inlet is installed at the same height of the furnace body. 제1항에 있어서, 화입구는 용광로 본체에서 둘 이상의 상이한 높이에 설치되는 것을 특징으로 하는 용광로.The furnace of claim 1, wherein the inlet is installed at two or more different heights in the furnace body. 제1항에 있어서, 화입구는 수직 평면상의 수평선에 관해 20° 내지 50°의 각도로 경사져 설치된 것을 특징으로 하는 용광로.The furnace of claim 1, wherein the fire opening is inclined at an angle of 20 ° to 50 ° with respect to a horizontal line on a vertical plane. 제1항에 있어서, 화입구는 개스 온도를 제어하기 위해 연료 개스 공급 파이프, 산호 공급 파이프 그리고 개스 유도 파이프를 구비한 개스 버너를 갖는 것을 특징으로 하는 용광로.2. The furnace of claim 1, wherein the inlet has a gas burner with a fuel gas supply pipe, a coral supply pipe and a gas induction pipe to control the gas temperature. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870014984A 1986-12-27 1987-12-26 Process for making iron in the blast furnace KR930004473B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP61-309133 1986-12-27
JP30913386A JPH0619090B2 (en) 1986-12-27 1986-12-27 Oxygen blast furnace
JP309133 1986-12-27
JP222 1987-01-06
JP62-222 1987-01-06
JP62000222A JPS63169312A (en) 1987-01-06 1987-01-06 Construction of oxygen blast furnace
JP1853 1987-01-09
JP62001853A JPS63171815A (en) 1987-01-09 1987-01-09 Oxygen blast furnace
JP62-1853 1987-01-09

Publications (2)

Publication Number Publication Date
KR880007746A true KR880007746A (en) 1988-08-29
KR930004473B1 KR930004473B1 (en) 1993-05-27

Family

ID=27274356

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870014984A KR930004473B1 (en) 1986-12-27 1987-12-26 Process for making iron in the blast furnace

Country Status (5)

Country Link
EP (1) EP0273420B1 (en)
KR (1) KR930004473B1 (en)
CN (1) CN1007161B (en)
AU (1) AU596253B2 (en)
DE (1) DE3787518T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100826963B1 (en) * 2001-11-13 2008-05-02 주식회사 포스코 Control method of deadman coke temperature in blast furnace

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4844737A (en) * 1986-12-27 1989-07-04 Nippon Kokan Kabushiki Kaisha Method for operating a blast furnance by blowing pulverized coal
JP4743332B2 (en) * 2009-04-30 2011-08-10 Ｊｆｅスチール株式会社 Blast furnace operation method
JP4697340B2 (en) * 2009-05-29 2011-06-08 Ｊｆｅスチール株式会社 Blast furnace operation method
CN114134271B (en) * 2021-12-03 2022-12-06 昌黎县兴国精密机件有限公司 Blowing regulation and control device and method for low-carbon smelting of blast furnace

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763817C (en) * 1939-03-21 1954-07-12 Thyssen Sche Gas U Wasserwerke Process for refining iron ores mixed with solid fuel and additives in a blast furnace
DE743376C (en) * 1939-05-20 1944-01-11 Roechlingsche Eisen & Stahl Process for the refining of iron ores
FR869065A (en) * 1940-01-13 1942-01-23 Lindes Eismaschinen Ag Ore processing process
CH254586A (en) * 1947-01-17 1948-05-15 Von Roll Ag Method and furnace for smelting iron ore with an oxygen-enriched wind.
US2593257A (en) * 1948-08-26 1952-04-15 Standard Oil Dev Co Blast furnace operation
GB668218A (en) * 1948-12-14 1952-03-12 Bleloch William Improvements in the smelting of metallic oxides in a blast furnace
GB674546A (en) * 1949-05-19 1952-06-25 Ruhrgas Ag Process for the simultaneous production of metals and rich gas
US3423080A (en) * 1963-11-06 1969-01-21 Interlake Steel Corp Electric arc furnace
US3364009A (en) * 1964-03-12 1968-01-16 Kemmetmuller Roland Method for the production of iron and steel
FR2156456A1 (en) * 1971-10-20 1973-06-01 Nippon Kokan Kk Blast furnace combined operation - by blowing a reducing gas and an oxygen enriched flux
BE817647R (en) * 1974-07-15 1974-11-04 Re-use of carbon monoxide from blast-furnace exhaust gas - returned to burners with fuel oil and oxygen, thus reducing amt. of coke required
US4844737A (en) * 1986-12-27 1989-07-04 Nippon Kokan Kabushiki Kaisha Method for operating a blast furnance by blowing pulverized coal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100826963B1 (en) * 2001-11-13 2008-05-02 주식회사 포스코 Control method of deadman coke temperature in blast furnace

Also Published As

Publication number Publication date
EP0273420A2 (en) 1988-07-06
CN1007161B (en) 1990-03-14
AU596253B2 (en) 1990-04-26
DE3787518D1 (en) 1993-10-28
EP0273420A3 (en) 1988-08-03
KR930004473B1 (en) 1993-05-27
AU8294687A (en) 1988-06-30
EP0273420B1 (en) 1993-09-22
DE3787518T2 (en) 1994-03-10
CN87105991A (en) 1988-07-27

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