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ZA861595B - Heat treatment of steel elements in fluidized beds - Google Patents

Heat treatment of steel elements in fluidized beds

Info

Publication number
ZA861595B
ZA861595B ZA861595A ZA861595A ZA861595B ZA 861595 B ZA861595 B ZA 861595B ZA 861595 A ZA861595 A ZA 861595A ZA 861595 A ZA861595 A ZA 861595A ZA 861595 B ZA861595 B ZA 861595B
Authority
ZA
South Africa
Prior art keywords
fluidized
heat treatment
bed
wires
fluidized beds
Prior art date
Application number
ZA861595A
Inventor
Michel Neirynck
Original Assignee
Bekaert Sa Nv
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 Bekaert Sa Nv filed Critical Bekaert Sa Nv
Publication of ZA861595B publication Critical patent/ZA861595B/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
    • 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
    • C21D9/64—Patenting furnaces
    • 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
    • C21D9/567—Continuous furnaces for strip or wire with heating in fluidised beds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Coating With Molten Metal (AREA)

Abstract

In the heat treatment of steel wires (W) in a patenting operation, the wires from an austenitizing furnace (1) are first quenched in a fluidized bed (Q). This bed (Q) is fluidized by hot gases from the furnace (1) and is also provided with a cooling system (28). The wires are then passed into a second fluidized bed (TR-S) where transformation takes place. This bed is fluidized by an independent source of hot gas (21) and is divided into regions (13) along its length which have independently controllable auxiliary heaters (14). The temperatures in the zone (Q) and the region (13) along zone (TR-S) are controlled to give a fine pearlite microstructure in the wire.
ZA861595A 1985-03-04 1986-03-04 Heat treatment of steel elements in fluidized beds ZA861595B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858505491A GB8505491D0 (en) 1985-03-04 1985-03-04 Heat treatment of steel

Publications (1)

Publication Number Publication Date
ZA861595B true ZA861595B (en) 1986-10-29

Family

ID=10575382

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA861595A ZA861595B (en) 1985-03-04 1986-03-04 Heat treatment of steel elements in fluidized beds

Country Status (18)

Country Link
EP (1) EP0195473B1 (en)
JP (1) JPS61276938A (en)
KR (1) KR930009977B1 (en)
CN (1) CN86101334A (en)
AT (1) ATE48444T1 (en)
AU (1) AU591652B2 (en)
BR (1) BR8600916A (en)
CA (1) CA1270427A (en)
CZ (1) CZ281967B6 (en)
DD (1) DD250550A5 (en)
DE (1) DE3667301D1 (en)
ES (1) ES8703528A1 (en)
GB (1) GB8505491D0 (en)
IN (1) IN166412B (en)
SK (1) SK280378B6 (en)
SU (1) SU1500167A3 (en)
TR (1) TR22844A (en)
ZA (1) ZA861595B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675257A5 (en) * 1988-02-09 1990-09-14 Battelle Memorial Institute
BE1004383A3 (en) * 1989-07-26 1992-11-10 Bekaert Sa Nv Fluidized bed for deterring WIRE.
GB2246793B (en) * 1990-08-04 1994-09-21 Tyne Tees Trans Tech Limited Deposition employing fluidised bed
CA2098160A1 (en) * 1993-04-12 1994-10-13 Charles N.A. Tonteling Process for producing patented steel wire
FR2717825B1 (en) * 1994-03-22 1996-06-14 Herve Yves Hellio Controlled cooling installation for the heat treatment of metal parts.
DE19940845C1 (en) * 1999-08-27 2000-12-21 Graf & Co Ag Fine wire production process, especially for producing steel wires for textile fiber carding, uses the same furnace and-or cooling system for pre-annealing and drawn wire hardening treatment
CN1311088C (en) * 2002-01-18 2007-04-18 王新辉 Method for heat-treating steel shot with wind and fluidized bed device thereof
DE60238790D1 (en) * 2002-03-25 2011-02-10 Hirohisa Taniguchi DEVICES FOR COOLING HOT GASES AND SYSTEM FOR TREATING HOT GASES
JP4388340B2 (en) * 2003-10-03 2009-12-24 新日本製鐵株式会社 Strength members for automobiles
US20080011394A1 (en) * 2006-07-14 2008-01-17 Tyl Thomas W Thermodynamic metal treating apparatus and method
US8506878B2 (en) 2006-07-14 2013-08-13 Thermcraft, Incorporated Rod or wire manufacturing system, related methods, and related products
CN101333593B (en) * 2008-07-25 2010-06-30 张家港市东航机械有限公司 Low level sand returning machine in fluidized bed furnace for quenching steel wire of steel wire tire cord
WO2012085651A1 (en) * 2010-12-23 2012-06-28 Pirelli Tyre S.P.A. Process and plant for continuously manufacturing a steel wire
CN104263899B (en) * 2014-10-14 2016-06-29 海城正昌工业有限公司 A kind of finer wire normalizing process and device
EP4109087A1 (en) * 2021-06-21 2022-12-28 NV Bekaert SA Device for in-line monitoring the room temperature microstructure variations
CN113502436B (en) * 2021-06-30 2022-04-19 江苏省沙钢钢铁研究院有限公司 Production method of plastic die steel plate and plastic die steel plate
CN118668154B (en) * 2024-06-13 2024-12-27 昆山卓得精密机械部件有限公司 A heat treatment process for improving the hardness of medical metal parts

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1541674A (en) * 1966-05-07 1968-10-11 Schloemann Ag Process for producing patented steel wire from the rolling heat and device for carrying out this process
US3615083A (en) * 1969-07-02 1971-10-26 United States Steel Corp Fluidized bed method and apparatus for continuously quenching coiled rod and wire
BE740482A (en) * 1969-10-17 1970-04-17
US3666253A (en) * 1969-12-26 1972-05-30 Yuri Yoshio Fluidized bed furnace
US3718024A (en) * 1971-02-12 1973-02-27 Morgan Construction Co Apparatus including a fluidized bed for cooling steel rod through transformation
US4168995A (en) * 1973-04-20 1979-09-25 December 4 Drotmuvek Steel wire patenting process
JPS5135611A (en) * 1974-09-20 1976-03-26 Nippon Steel Corp SENZAINORENZOKUNETSUSHORIHOHO
JPS5137013A (en) * 1974-09-24 1976-03-29 Nippon Steel Corp SENZAINORENZOKUNETSUSHORISOCHI
JPS5835580B2 (en) * 1979-01-26 1983-08-03 大阪瓦斯株式会社 Patenting device
JPS5655238A (en) * 1979-10-11 1981-05-15 Mitsubishi Rayon Co Ltd Manufacture of injection-molded product having pearl-like surface luster
GB8426455D0 (en) * 1984-10-19 1984-11-28 Bekaert Sa Nv Fluidised bed apparatus
KR940001357B1 (en) * 1991-08-21 1994-02-19 삼성전관 주식회사 Flat panel display

Also Published As

Publication number Publication date
AU5389686A (en) 1986-09-11
CZ281967B6 (en) 1997-04-16
JPS61276938A (en) 1986-12-06
IN166412B (en) 1990-05-05
EP0195473B1 (en) 1989-12-06
KR860007391A (en) 1986-10-10
TR22844A (en) 1988-08-22
CN86101334A (en) 1986-11-19
CZ149186A3 (en) 1993-02-17
DE3667301D1 (en) 1990-01-11
CA1270427A (en) 1990-06-19
KR930009977B1 (en) 1993-10-13
EP0195473A1 (en) 1986-09-24
GB8505491D0 (en) 1985-04-03
BR8600916A (en) 1986-11-11
ES552641A0 (en) 1987-02-16
ES8703528A1 (en) 1987-02-16
SK280378B6 (en) 1999-12-10
AU591652B2 (en) 1989-12-14
DD250550A5 (en) 1987-10-14
ATE48444T1 (en) 1989-12-15
SU1500167A3 (en) 1989-08-07

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