SCR Medium Frequency Induction Heating Equipment

Brand: Sanfeng
Place of Origin: Hebei, China
Condition: New
Payment Terms: TT , LC , Others

Description

The thyristor intermediate frequency power supply is a static frequency conversion device that converts the power frequency 50Hz (or 60Hz) three-phase AC electrical energy into a single-phase intermediate frequency AC electrical energy. The thyristor intermediate frequency power supply is actually an AC-DC-AC converter, and its basic principle is shown in Figure 1.

The three-phase power frequency current becomes a pulsating direct current after rectification, and becomes a smoother direct current after filtering, and then is converted into an intermediate frequency current of a certain frequency range by an inverter to supply the load (induction coil) to heat the metal workpiece.

The main purpose: 

· On-line annealing and on-line quenching and tempering of steel pipe welds.

· Metal smelting, heat preservation, welding, metal diathermy, tempering and other heat treatment.

· Induction heating occasions where the workpiece is indirectly heated by graphite crucible, metal crucible, metal pipe, etc.


The main parameters design:

· Power source: 3-phase four-wire 380V, 50Hz (can be designed and manufactured according to user power supply system)

· Oscillation power: 160-600kW

· Oscillation frequency: 500-3000Hz

· Cooling method: water cooling

· Water pressure: 0.15-0.2Mpa/cm2

· Water quality requirements: Hardness <0.017 mg/cm³; Resistivity> 4ΚΩ. cm


Specification device composition

· MD rectifier athwart cabine 

· MD capacitor output cabinet

· Removable dolly

· Water water exchanger


1. It is the only products that pass through the provincial-level appraisal

2. Newly and specifically designed water-cooled seam annealing inductor

3. The entire heating system is controlled by PLC and touch-on screen

4. Larger power middle frequency output  transformer is installed

5. The components contactor and controlled silicon are all adopt famous brand name in China.

Configuration table

POWER
(KW)
FREQUENCY (Hz) POWER SUPPLY
(KVA)
THICKNESS (mm) SPEED*NO.
(m/min)
Temperature
(℃)
350 1000-1500 437 2-6 35 *3 920-930
500 800-1200 625 6-9 18 *3 920-930
800 800-1200 1000 7.5-10.5 10 *3 920-930
1200 800-1200 1500 11-16 10 *3 920-930
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