Professional intelligent control Induction Heating System for Continuous Rolling of bars, wires and strips
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Professional intelligent control Induction Heating System for Continuous Rolling of bars, wires and strips

With the induction heating process, the electromagnetic field is generated by the billet through the coil in a non-contact manner, which can heat up quickly, and the temperature can be precisely adjusted, moreover, the equipment is compact so that less space will be occupied; The billet can be kept uniform as a whole through controlling the online temperature; The induction heating is realized by using the billet to generate induced current, so that the efficiency of heating is high, and the power consumption can be significantly reduced comparing with the traditional heating methods; Since the induction heating does not take traditional mineral materials as its fuel, no gas, wasted heat and emissions will be yielded, so it’s environmental friendly.
Availability:
Quantity:
  • DGJR
  • Zhongke

Application and composition:

The induction heating system is mainly used for heating the continuous rolling thin bars and strips.

The induction heating system for continuous rolling bars and strips mainly consists of four parts: the inductor body, the large power supply system, the water system and the mechanical driver.

Main technical features of electromagnetic induction heater:

1)  The inductor coil is made of hollow copper tube. The surface of the copper tube is sprayed with special high-temperature insulating varnish. After the coil is wound, the high-strength sealing material is cast in the frame to make the surface of the coil has excellent insulation and thermal insulation performance, so that the electromagnetic induction heater can work in hard environment, such as high temperature, humidity, high metal dust. The thermal protection inside the sensor is made of high-quality cast composite ceramic shield, which greatly improves the thermal insulation performance.

2)  A water-cooling protective cover is designed to set on the surface of the induction heater frame, which can effectively prevent the heat radiation heat of the strip and reduce the magnetic leakage of the induction head to affect the external equipment.

3)In order to eliminate the influence of the induced potential on the conveying roller, etc. as much as possible, the winding directions of the two induction coils are designed to be opposite; If the T-coil is wounded in the forward direction, the N-coil must be reverse-wounded.

4)The concurrent heating efficiency of the magnetic field is high. Since the side of the single inductor is shielded, the surface power density is obviously improved at the same output power. In addition, using the finite element to couple the electromagnetic field and temperature field can make the magnetic field distribution more reasonable and the generated concurrent heating more efficient.

5)For the round billet of Ø130 mm, the design gap between the sensor and the maximum allowable billet is 30 mm unilateral, and the bending or curvature of the billet is not allowed to be larger than the gap. The opening hole of sensor is Ø190mm.


Main technical parameters of the electromagnetic induction heater


Mode

DGJR-500/Y-130

Type

Longitudinal   magnetic field combination

Cooling method

Hollow copper tube internal   cooling

Suitable billet

ϕ107~130mm

Ground insulation((Factory test)

Before switch on water≥500MΩ

Pressurize after switch on   water 0.6MPa,24hours later ≥1000KΩ

Power

500KW

Voltage

400V

Frequency

0.4~0.8KHz

External dimension

Length   450mm×width 400mm×height850mm(subject to the actual dimension)

Self weight

~450kg(subject to the actual weight)





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Zhongke Electric is committed to R&D and providing complete solution for electromagnetic metallurgy, as well as on-line heating system for continuous rolling.

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  Contact Person: Eric Wang
  Tel: +86-730-8688890
  Phone: +86-15173020676
  E-mail: wangfp@cseco.cn
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