The Development Stage of Induction Heating

Induction heating is a widely used method that involves the use of electromagnetic induction to generate heat in metal objects.

This process has been around for decades, but it continues to evolve and improve as new technologies and processes are developed.

It is used in a wide variety of industries, including manufacturing, automotive and aerospace. It involves heating conductive materials through the use of electromagnetic fields, without the need for direct contact or an open flame.

By understanding the basics, applications, and latest technological advancements in induction heating, professionals can enhance their knowledge and increase their efficiency in their fields.

In this article, we will delve into the intricacies of induction heating and explore its stages of development in detail.

Changes in heating equipment

Protecting the earth’s resources and environment and saving energy are major issues facing the world, and they are also inevitable responsibilities for the long-term harmonious coexistence of humans and nature.

The world is currently facing a new round of technological revolution characterized by the environment, and our country has shown great enthusiasm and a sense of responsibility.

With the increase in human awareness of energy conservation, emission reduction and environmental protection, and the formulation of policies related to energy conservation and emission reduction in various countries, new technologies and new processes with energy conservation and environmental protection are increasingly used in various fields as well as industrial production, civil and commercial purposes.

Electromagnetic induction heating is one of them. Industrial induction heating and civilian and commercial induction furnaces are developing rapidly.

Electromagnetic induction heating is a major change in direct heating methods following the thermal energy heating generated by the combustion of wood, liquefied gas, natural gas, and diesel and the thermal effect of current-carrying resistors.

In the past 20 years, with the development of power semiconductor power devices, induction heating has developed very rapidly.

Traditional heating methods such as industrial resistance furnaces and flame furnaces will gradually be replaced by induction heating, because induction heating is more energy-saving, environmentally friendly, and safe, and is known as “green heating”.

On the other hand, with the development of power semiconductor devices and control technology, the induction heating machine itself has also undergone major changes.

The system configuration of the induction heating machine is more compact and exquisite, and the volume and mass of the induction heating machine are smaller under the same power capacity.

An induction heating machine not only saves energy but also saves materials, and the control of induction heating equipment is more automated, the parameter adjustment is more precise and accurate, and the operation of the induction heating machine is more convenient and simple.

Under the same frequency and power capacity conditions, the volume and mass of a high-frequency induction heating power supply composed of power semiconductor solid-state transistors (MOSFET, IGBT) as the core can be reduced by roughly 2/3 compared to a high-frequency induction heating power supply device composed of electron tubes. , efficiency and energy saving are increased by 3o%, cooling water consumption and installation land area are greatly reduced.

In summary, induction heating process parameters are highly controllable, the output products are of good quality and have a high qualification rate, and are energy-saving, environmentally friendly, safe and reliable. It is a heating method with advanced technology and wide application prospects.

Challenges and Opportunities in the Development Stage

However, like nothing is perfect, the application of induction heating also has its limitations, such as An induction heating winding (or inductor) has a corresponding matching relationship for the heated workpiece, the shape of the heated workpiece, The size is limited, and it does not have a relatively large degree of freedom like resistance furnaces and flame furnaces.

Learning for more information just to search from our website and directly send inquiry to us. Thank you.

Future Prospects and Potential Applications

Induction heating is a technology that uses electromagnetic fields to heat objects and has a wide range of future prospects and potential applications. Some specific areas of induction heating applications include:

Manufacturing

Induction heating can be used in various manufacturing processes such as heat treatment, brazing and soldering. It enables precise and localized heating, which is crucial to achieve the material properties required for different applications.

Energy efficiency

Induction heating helps improve energy efficiency in various industries. For example, it can be used in building heating systems, providing faster and more efficient heating compared to traditional methods.

Automotive Industry

Induction heating is already used in the automotive industry for applications such as hardening camshafts, gears and crankshafts. In the future, it could also be applied to electric vehicle charging systems to improve efficiency and reduce charging time.

Food processing

Induction heating can be used in pasteurization, sterilization, drying and other processes in the food industry. It can achieve precise temperature control and rapid heating, ensuring food safety and quality.

Waste Management

In waste management, induction heating can be used in applications such as waste incineration and gasification. It provides efficient and controlled heating, helping to reduce the amount of waste and maximize energy recovery.

Medical field

Induction heating has potential applications in the medical field, such as hyperthermia therapy for cancer. It involves using electromagnetic fields to heat specific parts of the body to kill cancer cells while minimizing damage to healthy tissue.

Electronics

Induction heating can be used in processes such as welding, annealing and curing in the electronics industry. It heats electronic components quickly and in a controlled manner and ensures their proper operation.

Aerospace industry

Induction heating can be applied to various processes in the aerospace industry, including thermal shrinkage of turbine disks and preheating of composite materials. It provides precise localized heating, which is critical for manufacturing high-performance aerospace components.

Conclusion

From its early development in the late 19th century to today’s modern technology, induction heating has revolutionized processes such as metalworking and material handling.

Ongoing research and innovation in this field continue to push the boundaries of what is possible. If you have any questions, please feel free to contact us.