When to Use Medium frequency induction heating equipment？

Heating of air in buildings or vehicles

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A heating system is a mechanism for maintaining temperatures at an acceptable level; by using thermal energy within a home, office, or other dwelling. Typically, these systems are a crucial part of an HVAC (Heating, Ventilation, and Air Conditioning) system. A heating system can be categorized into central heating system or distributed systems, depending on their design and method of heat distribution.

Types of Heating Systems

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Central Heating Systems: These systems produce heat in one central location and distribute it throughout the building.

This category includes furnaces, boilers, and heat pumps.[1][2]

Distributed Heating Systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters, fireplaces, and solar heating.[3]

Heat Pumps: They can be used for heating and cooling, transferring heat using refrigerant and electricity, making them more efficient than other heating systems.[4]

Efficiency and Environmental Impact

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The efficiency of a heating system is typically measured by its AFUE (Annual Fuel Utilization Efficiency) rating. Higher AFUE ratings indicate a more efficient furnace.[5] Environmental impacts are a concern with heating systems, especially those that burn fossil fuels. The use of sustainable energy sources and energy-efficient systems is encouraged to reduce greenhouse gas emissions.

Future Trends

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Additional reading:
15KW Medium Frequency Induction Melting Furnace

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Advancements in heating technology focus on increasing energy efficiency and reducing environmental impact.[6] Trends include the integration of smart home technology for better system control and the use of renewable energy sources like geothermal heating.

See also

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References

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Unlike induction heating devices, induction units with medium-frequency technology are not only suitable for thermal mounting but also for removal. They can also be used to heat up very large and heavy components.

Adequate expansion of the bearings is achieved in most cases at +80 °C to +100 °C. During the heating process, the maximum heating temperature must be observed. To prevent changes to the structure and hardness of the bearing, the temperature of rolling bearings must not normally exceed +120 °C. In all devices for heating, the temperature can be controlled with continuous variability.

These units can likewise be used in mobile applications thanks to their high level of flexibility and compact design. It can therefore be used, for example, at construction sites for wind turbines or for other large components that are difficult to transport.

Each unit comprises a generator and inductor that is positioned on the workpiece. A rigid or flexible inductor is used, depending on requirements. Flexible inductors can be fitted in the bore or on the outside diameter of the workpiece, depending on the application in question. Flexible inductors are suitable for heating bearing inner rings and large components such as machine supports in wind turbines. The length of the inductor is determined in relation to the dimensions of the workpiece.

Rigid inductors are particularly well suited to volume production. Flexibility is less of a priority here than short setup times and a high level of process reliability.

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Heating devices with medium-frequency technology have the following advantages:

• Suitable for mounting
• Suitable for dismounting
• Operating frequency from 10 kHz to 25 kHz
• Efficiency of the generator greater than 90%
• Low energy requirements
• Short heating times
• Time and temperature-based control as well as additional operating modes
• Automatic demagnetization
• Flexible and rigid inductors can be used
• Inductors can be used on either the inside or outside of the component
• Lower mains connection power than heating devices with mains frequency
• Almost silent
• Air-cooled system