Induction Heating Since 2000

How to Choose MF Induction Heating equipment Frequency?

  At present, there are so many different induction heating equipments on the market, how should we choose the right equipment for ourselves? Zhengzhou KETCHAN will tell you.

1. Power selection

  Generally, the selection basis of the medium frequency induction heating power source is based on the diameter of the pipe. Usually, 60kw is recommended for a diameter of 500mm, and 100kw is recommended for a diameter of 500-1200mm.

2. Frequency selection

  Combining theoretical and practical effects, the frequency of 2K-5KHz is the best choice for both efficiency and heating effect.

3. Research on the temperature distribution of the workpiece by the heating frequency of the intermediate frequency heating equipment

  Example: In order to study the temperature distribution of the heating of the tubular workpiece by the frequency, we use the computer simulation method to select the current of 500HZ, 2KHZ, and 10KHZ to heat the steel pipe with an outer diameter of 300mm, a wall thickness of 50mm, a total length of 900mm and a heating area length of 500mm.

How to Choose MF Induction Heating equipment Frequency

Results analysis and conclusion diagram

How to Choose MF Induction Heating equipment Frequency

  When the heating current is the same, the lower the frequency, the deeper the penetration depth, and the longer it takes to heat to the same temperature. It can be seen that the higher the frequency, the faster the heating speed and the shallower the penetration depth.

The lower the frequency, the better the overall temperature uniformity of the pipeline heating.
However, when the frequency is too low, the heating efficiency is also low, so the selection of the frequency should be comprehensively considered according to the heating efficiency and uniform temperature.

  While ensuring that the uniform temperature meets the requirements, the heating efficiency is maximized.

  According to the above experimental results, the intermediate frequency heating equipment with a frequency of 2K-5KHZ should be selected in actual production, which can achieve the best treatment effect and production efficiency.

If you have any other needs, please leave a message for further discussion.

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