ATE368131T1 - GLOWING DEVICE FOR METAL STRIPS - Google Patents

GLOWING DEVICE FOR METAL STRIPS

Info

Publication number
ATE368131T1
ATE368131T1 AT04727095T AT04727095T ATE368131T1 AT E368131 T1 ATE368131 T1 AT E368131T1 AT 04727095 T AT04727095 T AT 04727095T AT 04727095 T AT04727095 T AT 04727095T AT E368131 T1 ATE368131 T1 AT E368131T1
Authority
AT
Austria
Prior art keywords
roller
electrified
metal strips
strap
voltage
Prior art date
Application number
AT04727095T
Other languages
German (de)
Inventor
Fabrizio Recchia
Original Assignee
Ohg Di Lesmo S P A
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 Ohg Di Lesmo S P A filed Critical Ohg Di Lesmo S P A
Application granted granted Critical
Publication of ATE368131T1 publication Critical patent/ATE368131T1/en

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
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/62—Continuous furnaces for strip or wire with direct resistance heating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
  • Laminated Bodies (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

Plant for annealing metal straps (4), which comprises a support structure (5) for one or more motors suitable for rotating at least three electrified rollers (1, 2, 3) in which the voltage of the second electrified roller (2) is higher or lower than the voltage of the first roller (1) and the third roller (3), so that a strap (4) passing around these electrified rollers (1, 2, 3) is crossed by an electric current and becomes hot due to the Joule effect, the diameter of the electrified rollers (1, 2, 3) being equal to the thickness of the strap (4) multiplied by a coefficient (k) greater than 200.
AT04727095T 2004-04-13 2004-04-13 GLOWING DEVICE FOR METAL STRIPS ATE368131T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2004/000205 WO2005100617A1 (en) 2004-04-13 2004-04-13 Plant for annealing metal straps

Publications (1)

Publication Number Publication Date
ATE368131T1 true ATE368131T1 (en) 2007-08-15

Family

ID=34957490

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04727095T ATE368131T1 (en) 2004-04-13 2004-04-13 GLOWING DEVICE FOR METAL STRIPS

Country Status (6)

Country Link
EP (1) EP1735473B1 (en)
AT (1) ATE368131T1 (en)
DE (1) DE602004007833T2 (en)
ES (1) ES2290694T3 (en)
TW (1) TWI340766B (en)
WO (1) WO2005100617A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367511B (en) * 2011-10-25 2013-04-10 浙江佰耐钢带有限公司 Electric heating roller steel strip continuous heating furnace

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166336A (en) * 1980-05-22 1981-12-21 Furukawa Electric Co Ltd:The Continuously annealing apparatus for wire rod
JPH08264261A (en) * 1995-03-27 1996-10-11 Nippon Steel Corp Reverse type rolling device
JPH10237557A (en) * 1997-02-24 1998-09-08 Sumitomo Metal Ind Ltd Direct energization heating of metallic plate
JPH10298669A (en) * 1997-04-19 1998-11-10 Furukawa Electric Co Ltd:The Production of softened wire rod
IT1312036B1 (en) * 1999-03-30 2002-04-04 Sictra Machinery S R L CONTINUOUS ANNEALING WITH JUOLE EFFECT FOR MULTIWIRE DRAWERS.

Also Published As

Publication number Publication date
DE602004007833T2 (en) 2008-04-17
WO2005100617A1 (en) 2005-10-27
TWI340766B (en) 2011-04-21
DE602004007833D1 (en) 2007-09-06
TW200538558A (en) 2005-12-01
EP1735473A1 (en) 2006-12-27
ES2290694T3 (en) 2008-02-16
EP1735473B1 (en) 2007-07-25

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Legal Events

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