JPS55107722A - Slow cooling method of hot rolled wire material and apparatus thereof - Google Patents

Slow cooling method of hot rolled wire material and apparatus thereof

Info

Publication number
JPS55107722A
JPS55107722A JP1504279A JP1504279A JPS55107722A JP S55107722 A JPS55107722 A JP S55107722A JP 1504279 A JP1504279 A JP 1504279A JP 1504279 A JP1504279 A JP 1504279A JP S55107722 A JPS55107722 A JP S55107722A
Authority
JP
Japan
Prior art keywords
coil
refrigerant
duct
wire material
hot rolled
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
JP1504279A
Other languages
Japanese (ja)
Other versions
JPS6056208B2 (en
Inventor
Fumitaka Iori
Keiji Noto
Hideo Takahashi
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 JP1504279A priority Critical patent/JPS6056208B2/en
Publication of JPS55107722A publication Critical patent/JPS55107722A/en
Publication of JPS6056208B2 publication Critical patent/JPS6056208B2/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

PURPOSE:To slow cool hot rolled wire material and let softening anneal be done at low cost by cooling the coil of the hot rolled wire material with a refrigerant such as air while letting the same move on a conveyor and circulating the heated refrigerant and using as a refrigerant. CONSTITUTION:The coil 3 of hot rolled wire material is placed on a flat conveyor 2 and is conveyed. When it is detected by a coil detector 10 that the coil 3 comes right under an elevating duct bellows 13, an air cylinder 12 actuates to extend the bellows 13 downward, causing an elevating duct 11 to touch the top surface of the coil 3 and stop. Next, a fan 6 is run to put high-temperature refrigerant from the elevating duct 11 to the coil 3 to slow cool the coil 3. It is then passed through a duct 5, fan 6, duct 7, pillow pipe 8 and branch duct 9 and is reused as the refrigerant for slow cooling of the coil 3 by the elevating duct 11. Since the refrigerant is heated by making use of the heat retained by the coil 3, there is no need for separately providing any heater and the softening anneal of the wire material coil may be accomplished at low cost.
JP1504279A 1979-02-14 1979-02-14 Annealing method and device for hot rolled wire rod Expired JPS6056208B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1504279A JPS6056208B2 (en) 1979-02-14 1979-02-14 Annealing method and device for hot rolled wire rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1504279A JPS6056208B2 (en) 1979-02-14 1979-02-14 Annealing method and device for hot rolled wire rod

Publications (2)

Publication Number Publication Date
JPS55107722A true JPS55107722A (en) 1980-08-19
JPS6056208B2 JPS6056208B2 (en) 1985-12-09

Family

ID=11877774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1504279A Expired JPS6056208B2 (en) 1979-02-14 1979-02-14 Annealing method and device for hot rolled wire rod

Country Status (1)

Country Link
JP (1) JPS6056208B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773123A (en) * 1980-10-22 1982-05-07 Sumitomo Metal Ind Ltd Producton of low alloy steel of superior cold workability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773123A (en) * 1980-10-22 1982-05-07 Sumitomo Metal Ind Ltd Producton of low alloy steel of superior cold workability
JPH0112815B2 (en) * 1980-10-22 1989-03-02 Sumitomo Metal Ind

Also Published As

Publication number Publication date
JPS6056208B2 (en) 1985-12-09

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