Prestressed Concrete PC Bar Production Line with Induction Heating Equipment Machine
On-line equipment:
Pay-off stand→Wire pack up device→Mechanical descaling→Bright die and Notching die→Drawing→Straightening→1#Traction machine→Pre-heating power supply(600kW/8kHz IGBT Intermediate frequency induction heating power supply)→Temperature raising power supply(200kW/30kHz IGBT Superaudio induction heating power supply)→ Temperature raising power supply(200kW/50kHz IGBT Superaudio induction heating power supply)+Quenching/Holding→Quenching water tank →Temper power supply(300kW/8kHz IGBT Intermediate frequency induction heating power supply)+Temper and holding pipe→Temper water tank→2#Traction machine→Wire leading tank→Hydraulic shearing/reverse machine→Take up coil 1→Take up coil 2
Auxiliary equipments:
Cooling tower/Air compressor/Heat exchanger/Water pump/Control cabinet/Technics testing machine/Butt welding machine/Pointing machine/Packing machine/Electronic scale/Crane/Testing machine, etc.
Main technical specification of Induction heating power supply
Mode 600KW/8KHz200KW/30KHz200KW/50KHz300KW/8KHzPower supply voltage 380V/50Hz/3Phase380V/50Hz/3Phase380V/50Hz/3Phase380V/50Hz/3PhaseRated input current980A370A370A490AInput copper cable 300mm2x2185mm2185mm2300mm2Rated DC voltage500V450V450V500VRated DC current1200A450A450A600ARate DC power 600KW200KW200KW300KWFrequency range6~8KHz25~30KHz40~50KHz6~8KHzHarmonic oscillatio type ParallelParallelParallel voltage doubling ParallelInverter state<10°capacity<15°capacity <20°capacity <10°capacity Max. Tank circuit voltage570V570V1040V570VMachine efficiency≥80%≥70%≥72%≥80%
The efficiency of the power supply is high and the energy saving effect is obvious.
The components are versatile and the whole machine is easy to maintain.
The bridge structure has good flow uniformity.
Full digital circuit, fixed angle control.