The electric heater should have a heat output rated for the maximum product withdrawal rate requirements, without excessive over-capacity.
电加热器的热输出应该由要求的最大产品提取率来确定，不能有过剩能力。
2
Since its output frequency is as twice as the device frequency and it has the merit of soft-switching characteristic, multiple-frequency induction heater is widely used in high frequency application.
Scaling in tube array of heater for first stage decomposition in urea production has a direct bearing on the output and quality of the product and consumption.