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Thin steel wire secondary heating treatment method and device

A technology of thin steel wire and electric heater, which is applied in the direction of heat treatment equipment, heat treatment furnace, and process efficiency improvement, can solve the problems of low energy utilization efficiency of electric heating of thin steel wire, etc. Effect

Inactive Publication Date: 2011-10-19
王颖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In view of the above-mentioned defects of the prior art, the embodiment of the present invention provides a two-stage electric heating method and equipment to solve the problem of low energy utilization efficiency of thin steel wire electric heating in the prior art

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  • Thin steel wire secondary heating treatment method and device
  • Thin steel wire secondary heating treatment method and device
  • Thin steel wire secondary heating treatment method and device

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Embodiment Construction

[0040] Describe the specific embodiment of the present invention below in conjunction with accompanying drawing

[0041] figure 2 It is a schematic diagram of the thin steel wire secondary electric heater of the present invention. The secondary electric heater provided by the present invention is suitable for heating and heat treatment of thin steel wire, and it includes steel wire 1, induction coil 2, induction power supply 3, electric brush 4, transformer 5, variable voltage power supply 6, voltage regulator and current regulator 7 , PID controller 8, infrared thermometer 9, straightening machine 10, pay-off machine 11, take-up machine 12, and power-removing device 13.

[0042] Wherein, the pay-off machine 11, the straightening machine 10, the induction heating coil 2, the de-energizing device 13, the electric brush 4, the straightening machine 10, and the wire take-up machine 12 are sequentially connected. And an infrared thermometer 9 is arranged on the rear side of the...

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Abstract

The invention discloses a thin steel wire secondary heating treatment method and device, the method comprises the following steps: using an induction heater to heat a thin steel wire in an induction heating coil until the temperature is equal to or slightly lower than the curie point of the thin steel wire; and using a resistance heating device to heat the thin steel wire until the temperature isabove the austenitizing temperature. The method also comprises the following step: cooling the heated thin steel wire. The method provided by the invention can be used for carrying out thermal refining, quenching, normalizing, backfire, isothermal quenching, isothermal annealing, isothermal soxlet process, recrystallization annealing or rapid balling isothermal annealing on the thin steel wire.

Description

technical field [0001] The invention relates to a heating heat treatment method and equipment for thin steel wires, in particular to a treatment method and equipment for induction heating and voltage regulating resistance heating of thin steel wires. Background technique [0002] Steel wire needs to undergo various heat treatments according to production and use requirements. Such as quenching, normalizing, tempering, annealing, rapid spheroidization and so on. All processes need to be heated to different temperatures, and then completed after cooling with different cooling media according to the cooling capacity. The heating and heat treatment of steel wire requires high energy utilization efficiency and low energy consumption. [0003] figure 1 It is a schematic diagram of a prior art steel wire induction heater. like figure 1 As shown, usually when the steel wire is heated by induction, a current I1 is generated in the induction coil. Due to the change of the magneti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/60
CPCY02P10/20Y02P10/25
Inventor 王颖
Owner 王颖
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