70 kW Medium-Frequency Induction Melting Furnace

70kW MF (Medium Frequency）

The 70kW medium-frequency induction melting furnace is a high-efficiency heating system designed for small-to-medium batch metal melting, suitable for processing 50–200 kg of non-ferrous metals and alloys—such as gold, silver, copper, aluminum, iron, and stainless steel. The system consists of a medium-frequency power supply, a step-down transformer, and a low-voltage induction coil. Using medium-frequency electromagnetic induction heating, it delivers fast melting speeds and even heat distribution while maintaining stable operation and low energy consumption.

Características del producto

1. Small-to-Medium Power Design for 50–200 kg Melting Capacities

This unit is a small-to-medium power medium-frequency induction melting system with a 70 kW rating, suitable for melting 50–200 kg batches of metals such as gold, silver, copper, iron, and aluminum.

2. Integrated Configuration: Main Unit, Step-Down Transformer, and Low-Voltage Coil

It features a combined configuration comprising the main unit, a step-down transformer, and a low-voltage induction coil; the low output voltage ensures safer operation. Compatible with vacuum, protective atmosphere, and open-type furnace configurations, this versatile system offers an optimal balance of efficiency and cost for small-to-medium-scale metal melting.

3. Superior Electromagnetic Stirring

Medium-frequency melting provides excellent electromagnetic stirring, promoting uniform temperature and composition distribution within the molten metal while facilitating slag flotation and impurity separation. Adjustable stirring intensity ensures alloy homogeneity and enhances the purity of the molten metal.

4. Dual-Control Resonance Technology for High Efficiency and Stability

Utilizing dual-control resonance technology—where power and frequency are controlled independently—and incorporating IGBT and amorphous inductor technologies, the system ensures peak performance and consistent melting results. Independent control of power and frequency conversion enables precise soft-switching during the inversion process.

5. 100% Duty Cycle for 24/7 Continuous Operation

Designed for 24/7 continuous operation with a 100% duty cycle, the system supports prolonged, full-load performance. It is equipped with reliable cooling and power supply systems to ensure long-term, stable operation.

Áreas de aplicación

• Small-to-medium batch metal melting: Suitable for melting 50–200 kg batches of metals such as steel, stainless steel, copper, aluminum, gold, and silver.
• Precious metal melting: Suitable for the melting and recovery of precious metals like gold and silver.
• Alloy preparation: Suitable for the rapid melting of alloy constituents. Excellent electromagnetic stirring ensures uniform alloy composition and facilitates slag removal and impurity separation.
• Specialized heating with low-turn coils:Suitable for heating applications requiring low-turn coils.
• Universities and research institutes: Suitable for experimental teaching and research projects involving metal melting and alloy preparation in fields such as materials science and engineering, and metallurgical engineering.
• Industrial enterprises: Suitable for production scenarios including small-to-medium batch metal melting, precious metal recovery, and alloying processes.

Perfil de la empresa

Una empresa profesional especializada en servicios de tecnología de tratamiento térmico y R.&D, fabricación, y venta de hornos eléctricos de alta temperatura.

La empresa se centra en el desarrollo de hornos eléctricos de alta temperatura que cubren un rango completo de temperatura de -100 ℃ a 2600 ℃.. Entre sus productos se encuentran hornos eléctricos experimentales., hornos de atmósfera de vacío, hornos industriales, y equipos de calentamiento por inducción de media frecuencia. Los principales productos incluyen hornos de caja., hornos tubulares, hornos elevadores, hornos de empuje, hornos de bogie, hornos rotativos, hornos de túnel, y varios hornos especializados de media frecuencia.

La empresa se adhiere a la innovación tecnológica y ha aprobado las certificaciones ISO9001 y CE de la UE.. posee 21 marcas registradas, 29 patentes, y 27 derechos de autor del software.

Métodos de pago

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Métodos de envío

El horno eléctrico está empaquetado en tres capas.: primero envuelto en papel de espuma, luego envuelto en película plástica, y finalmente embalado en una caja de madera..

Preguntas frecuentes (Preguntas frecuentes)

1. How much metal can the 70kW unit melt?

Depending on the metal type and process requirements, it is typically suitable for melting loads ranging from 50 kg to 200 kg.

2. What are the advantages over SCR-based medium-frequency furnaces?

By utilizing IGBT inverter technology, the unit offers higher energy efficiency and lower operating losses—typically saving over 20% in energy—while providing faster response times and more precise control.

3. What is the electromagnetic stirring effect?

The electromagnetic forces generated during induction heating induce flow in the molten metal, promoting the uniform mixing of alloy constituents while facilitating the rise of impurities and dross to the surface.

4. ¿El equipo soporta la producción continua??

Sí. The device features an industrial-grade thermal and power supply design, supporting continuous operation at 100% load.

5. Can the frequency and melting capacity be customized?

Sí.