[go: up one dir, main page]

KR880007746A - Blast furnace - Google Patents

Blast furnace Download PDF

Info

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

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Blast Furnaces (AREA)

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
JP62000222A JPS63169312A (en) 1987-01-06 1987-01-06 Construction of oxygen blast furnace
JP62-222 1987-01-06
JP222 1987-01-06
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 How to manage the blast furnace core temperature

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 A blowing control device and method for blast furnace low-carbon smelting

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 How to manage the blast furnace core temperature

Also Published As

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

Similar Documents

Publication Publication Date Title
KR880009134A (en) Air hole in the furnace
KR850007863A (en) Coal combustion device
KR860001981A (en) Ignition and combustion assistant burners and combustion chambers for solid fuels
CA2020334A1 (en) Induced draft warm air furnace with radiant infrared burner
ATE36908T1 (en) BOILER FOR WOOD WITH A PREHEATING CHAMBER FOR THE FUEL.
KR880007746A (en) Blast furnace
ATE22166T1 (en) BURNER ARRANGEMENT, ESPECIALLY FOR A GAS BURNER.
MY100092A (en) Extraction zone for solid fuel burner
DE3673513D1 (en) WARM FURNACE FOR SOLID FUELS.
DE3882201D1 (en) BURNER SYSTEM FOR LOW NOX COMBUSTION OF HEAVY HEATING OIL.
EP0514930A3 (en) Radiant burner for gaseous fuel
US5560305A (en) Burner block and method for furnace
DE3468931D1 (en) Gas burner of the premixing type with flame control, and use of this burner, especially in a submerged tube installation
KR890000837A (en) Oxy-fuel burners for combusted fuel combustion
ATE124127T1 (en) BOILER.
ATE52134T1 (en) RADIANT BURNER.
GB1300145A (en) Improvements in or relating to gas burners
ATE4557T1 (en) OXYGEN FUEL BURNER.
KR870001440A (en) Flame Conduit Structure of Boiler
RU1774124C (en) Air-feed device
KR910012600A (en) Gas stove burners
DE3669581D1 (en) BURNER FOR BURNING FUELS WITH REDUCED EMISSIONS OF NITROGEN.
JPS5222138A (en) Liquid fuel burner
FR2418906A1 (en) Combustion acceleration device for heater - has component of refractory material with central primary passage joined by secondary passages to outer faces
KR920020130A (en) Pilot Burner For Gas Boiler

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19871226

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19871226

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19900731

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19910128

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19910722

Patent event code: PE09021S01D

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19930503

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19930818

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19930918

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19930918

End annual number: 3

Start annual number: 1

PR1001 Payment of annual fee

Payment date: 19960517

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 19970520

Start annual number: 5

End annual number: 5

FPAY Annual fee payment

Payment date: 19980519

Year of fee payment: 6

PR1001 Payment of annual fee

Payment date: 19980519

Start annual number: 6

End annual number: 6

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee