HF(High Frequency) Furnace Heating Power Supply

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Application Scope

The power supply provides energy for the zone melting furnace of preparing high purity single crystal. It is the HF induction heating power supply with power supply technology on the input side to provide stable power output for zone melting furnace. It is with the merits of small volume, high power factor and low loss.

Product Principle

The power supply is composed of the power control cabinet and vacuum tube oscillatory power cabinet. In power control part, it adopts special thyristor power control unit, which is combined with advanced DSP and PLC control technology makes the power supply be with merits of high control accuracy and reliability. High power tube, as the core component of vacuum tube oscillatory power cabinet provides stable power output for zone melting furnace.

Technical Features:

1. HMI: It adopts Siemens PLC + touch screen and is designed of full Chinese menu display. It works with simple parameter setting, and has a dual protection with double passwords to prevent wrong operation of parameters setting.

2. Advanced DSP control technology: The power unit control part adopts advanced digital processing technology. It works with merits of fast regulating speed and high control precision to ensure the zone melting furnace power control requirements during production.

Main Technical Parameters

AC Input
 Input voltage380V±10%(50/60Hz)
 Working power260KVA

AC Output
 Output frequency2.5MHz
 Output power120KW
 Work modeStable power control
 Working modePID
 Power output
0~10V or 4~20mA

 DC current feedback
0~10V or 4~20mA

DC voltage feedback
Protection Fuse failureAlarm and stop

Output overvoltage、over current

Alarm and stop when higher than setting value
Overheating≥75°C,alarm and stop

Power factor0.90以上 Above 0.90
electromagnetic compatibility> International Standard
Contact definitionAlarm resetNormal open
Power supply runNormal open
Power supply stopNormal open
Failure alarmNormal open


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Q:What's the role of anchor bricks in industrial furnaces?
These layers need to be joined and anchored. Anchor brick is this role. The heat insulation layer at the horizontal section of the flue is mostly a narrow cavity.
Q:What is industrial furnace masonry?
Pre construction and recording shall be carried out on complex and important parts of industrial furnaces,masonry of all kinds of masonry shall be made with staggered joint masonry.
Q:Brief introduction to repair of industrial furnace
The working condition of industrial furnace is very bad. It is affected by high temperature, slag erosion and burden wear. Therefore, its working condition changes quickly and its service life is short.
Q:What are the combustion equipments used in industrial boilers?
The main auxiliary equipments of the general boiler are: upper coal machine, ash blower, blower, draught fan, economizer, feed pump and water treatment unit. Oil boilers are: oil pumps, burners, tanks and so on.
Q:What is the difference in structure between industrial furnace and boiler?
From the way: industrial furnace (electricity, natural gas, gas, induction heating is considered electricity), boilers (coal, all kinds of hot exhaust gas, a variety of gas, seemingly less electricity).
Q:What is the difference between industrial furnace masonry and ordinary masonry?
Of course, the difference is like the difference between a hog cap and a 100 story building. See the industrial furnace manual.
Q:What are the advantages of a vacuum furnace?
No pollution to the environment, no need for three wastes treatment.
Q:Selection of heat preservation material for industrial furnace
In the neutral and oxidizing atmosphere, the tensile strength, toughness and fiber structure can be maintained for long term use. The temperature is 950-1400 centigrade. Excellent chemical stability; excellent thermal stability; excellent tensile strength; low thermal conductivity; low thermal capacity; excellent sound absorption and noise reduction performance.
Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.
Heat treatment furnace is mainly for the mechanical processing and casting industry workpiece annealing, quenching, carburizing, quenching and tempering, heat treatment equipment.
Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
There are many kinds of furnaces in metallurgical industry,colored and black,smelting and heat treatment are also included.

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