JPS56232A - Control of heating furnace for hot rolling - Google Patents

Control of heating furnace for hot rolling

Info

Publication number
JPS56232A
JPS56232A JP7403379A JP7403379A JPS56232A JP S56232 A JPS56232 A JP S56232A JP 7403379 A JP7403379 A JP 7403379A JP 7403379 A JP7403379 A JP 7403379A JP S56232 A JPS56232 A JP S56232A
Authority
JP
Japan
Prior art keywords
temperature
rolling
load
heating furnace
signal
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
JP7403379A
Other languages
Japanese (ja)
Other versions
JPS5819727B2 (en
Inventor
Shuichi Hamauzu
Akira Tanaka
Toshio Kikuma
Masaru Kasai
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP54074033A priority Critical patent/JPS5819727B2/en
Publication of JPS56232A publication Critical patent/JPS56232A/en
Publication of JPS5819727B2 publication Critical patent/JPS5819727B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Control Of Metal Rolling (AREA)
  • Control Of Heat Treatment Processes (AREA)

Abstract

PURPOSE:To regulate the distribution of temperature in the section in the thickwise direction during the extraction by a procedure in which the maximum temperature and the minimum temperature in the thickwise direction of a rolled steel at any position in the lengthwise direction are obtained in relation to rolling load, etc., and then a heating furnace is controlled according to the data. CONSTITUTION:The surface temperature in the middle portion of the rolled steel M taken out of the heating furnace 1 to the rolling line L is detected by the temperatue detector 4, and rolling load at the crude rolling stand 3 in the middle portion is detected by the load cell 6. The rolling condition pursuer 7 detects the deviation of rolling condition from the standard rolling condition from extraction to rolling on the basis of the temperature signal of the detector 4 and the load signal of the load cells 5 and 6. Then, representative temperature is obtained from the temperature signal of the arithmetic unit 8, the load signal of the load cell 6, and the signal of the tracer unit 7, and the arithmetic unit 9 obtains a representative temperature from the load signal of the load cell 6. The signals from the arithmetic units 8 and 9 are put in the arithmetic unit 10 where a given set temperature is calculated according to the difference in the temperatures obtained. The results of calculations are sent to the heating furnace controller 11 to regulate the heating furnace to the set temperature.
JP54074033A 1979-06-14 1979-06-14 Heating furnace control method in hot rolling Expired JPS5819727B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54074033A JPS5819727B2 (en) 1979-06-14 1979-06-14 Heating furnace control method in hot rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54074033A JPS5819727B2 (en) 1979-06-14 1979-06-14 Heating furnace control method in hot rolling

Publications (2)

Publication Number Publication Date
JPS56232A true JPS56232A (en) 1981-01-06
JPS5819727B2 JPS5819727B2 (en) 1983-04-19

Family

ID=13535423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54074033A Expired JPS5819727B2 (en) 1979-06-14 1979-06-14 Heating furnace control method in hot rolling

Country Status (1)

Country Link
JP (1) JPS5819727B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57126919A (en) * 1981-01-30 1982-08-06 Kawasaki Steel Corp Controlling method for continuous steel-heating purnace
US5619916A (en) * 1992-11-20 1997-04-15 Shinsei Industries Co., Ltd. Printer with a mechanism for idling setting wheels

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108335U (en) * 1983-12-23 1985-07-23 株式会社トクヤマ dehumidifier
JPS6351626U (en) * 1986-09-18 1988-04-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57126919A (en) * 1981-01-30 1982-08-06 Kawasaki Steel Corp Controlling method for continuous steel-heating purnace
US5619916A (en) * 1992-11-20 1997-04-15 Shinsei Industries Co., Ltd. Printer with a mechanism for idling setting wheels

Also Published As

Publication number Publication date
JPS5819727B2 (en) 1983-04-19

Similar Documents

Publication Publication Date Title
JPS55114411A (en) Automatic plate width control method in hot rough rolling
JPS56232A (en) Control of heating furnace for hot rolling
JPS55120410A (en) Controlling method for coiling temperature of hot strip
JPS5674302A (en) Reheating method for steel billet in hot rolling line
JPS5471751A (en) Controller for hot rolling mill
JPS52114507A (en) Control of continuous heating furnace
JPS53131263A (en) Reversible type rolling equipment and its control method
JPS5636307A (en) Controlling method for camber of hot strip
JPS5675528A (en) Temperature controlling method of heating furnace
JPS55122609A (en) Controlling method for crown of work roll
JPS5561307A (en) Controlling method for sheet breadth in hot strip mill
JPS5653808A (en) Controlling method for sheet breadth in hot rolling mill
JPS5758909A (en) Controller for rolled shape
JPS54106065A (en) Controlling method for slab
JPS5614016A (en) Controlling apparatus for sheet crown in hot rolling mill
JPS5586605A (en) Rolling mill
JPS5561310A (en) Method and apparatus for controlling sheet thickness
JPS5611106A (en) Method and apparatus for correcting and controlling meandering motion of rolled material
JPS54122660A (en) Controlling method for sheet gauge in rolling mill
JPS5633117A (en) Automatic controlling method for wall thickness of seamless steel pipe
Brown et al. Computerised Reheating Furnace Control at B. S. C. Ravenscraig Works
JPS56128610A (en) Controlling method for rolling reduction of mill provided with hydraulic screw down device
Anufriev et al. The Use of Mathematical Models to Develop Economic Heating Practices in Continuous Furnaces
JPS54101744A (en) Automatic controlling method for breadth of strip in hot strip mill
Ueno Countermeasure for Thermal Deformation of Unequal Angles in the Cooling Process after Rolling