JPS5677306A - Operating method of blast furnace - Google Patents

Operating method of blast furnace

Info

Publication number
JPS5677306A
JPS5677306A JP15594679A JP15594679A JPS5677306A JP S5677306 A JPS5677306 A JP S5677306A JP 15594679 A JP15594679 A JP 15594679A JP 15594679 A JP15594679 A JP 15594679A JP S5677306 A JPS5677306 A JP S5677306A
Authority
JP
Japan
Prior art keywords
deviations
temp
blast furnace
circumferential direction
heavy oil
Prior art date
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
JP15594679A
Other languages
Japanese (ja)
Other versions
JPS6136049B2 (en
Inventor
Koichi Otsuka
Moritaka Onishi
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal 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.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP15594679A priority Critical patent/JPS5677306A/en
Publication of JPS5677306A publication Critical patent/JPS5677306A/en
Publication of JPS6136049B2 publication Critical patent/JPS6136049B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process

Landscapes

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

Abstract

PURPOSE:To prevent descending and temp. deviations by actually measuring the descending speed and furnace wall temp. or furnace wall side gas temp. at every equal spacing in the circumferential direction of a blast furnace, converting these to indexes, comparing these and the index reference values having beforehand been obtained and adjusting tuyere diameters and the flow of heavy oil to be blown through the tuyeres. CONSTITUTION:Recording rods 2 are provided at an equal interval in a circumferential direction to the top part of a blast furnace 1, and the values of a stock line 3 measured by the rods 2 are inputted to a descending speed operator 4. Index reference values are beforehand set in the operator 4, and if the indexes converted from said measured values are outside the index references, the deviations thereof are outputted to a heavy oil blow rate setter 5, which in turn adjusts the diameter and heavy oil blow rate of tuyeres, thereby preventing the descending deviations and temp. deviations in the circumferential direction of the blast furnace.
JP15594679A 1979-11-30 1979-11-30 Operating method of blast furnace Granted JPS5677306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15594679A JPS5677306A (en) 1979-11-30 1979-11-30 Operating method of blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15594679A JPS5677306A (en) 1979-11-30 1979-11-30 Operating method of blast furnace

Publications (2)

Publication Number Publication Date
JPS5677306A true JPS5677306A (en) 1981-06-25
JPS6136049B2 JPS6136049B2 (en) 1986-08-16

Family

ID=15616972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15594679A Granted JPS5677306A (en) 1979-11-30 1979-11-30 Operating method of blast furnace

Country Status (1)

Country Link
JP (1) JPS5677306A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542145U (en) * 1991-11-08 1993-06-08 ニユーロング株式会社 bag
JP2008260984A (en) * 2007-04-10 2008-10-30 Nippon Steel Corp Blast furnace operation method
JP2016205636A (en) * 2015-04-15 2016-12-08 株式会社Ｉｈｉ環境エンジニアリング Fuel supply device and fuel supply method
JP2018193599A (en) * 2017-05-22 2018-12-06 Ｊｆｅスチール株式会社 Detection method for deviation in descent speed of charged material and operation method of blast furnace

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312920Y2 (en) * 1985-02-26 1991-03-26
JPH052794Y2 (en) * 1986-03-14 1993-01-22
JPH0529358Y2 (en) * 1986-10-27 1993-07-27

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542145U (en) * 1991-11-08 1993-06-08 ニユーロング株式会社 bag
JP2008260984A (en) * 2007-04-10 2008-10-30 Nippon Steel Corp Blast furnace operation method
JP2016205636A (en) * 2015-04-15 2016-12-08 株式会社Ｉｈｉ環境エンジニアリング Fuel supply device and fuel supply method
JP2018193599A (en) * 2017-05-22 2018-12-06 Ｊｆｅスチール株式会社 Detection method for deviation in descent speed of charged material and operation method of blast furnace

Also Published As

Publication number Publication date
JPS6136049B2 (en) 1986-08-16

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