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    中频炉的化钢原理 1、中频炉中核心部件是一个圆形的感应线圈——俗称感应圈。由矩形铜管绕制，成螺旋型。 2、对感应器通上中频电流，那么在感应圈的中间和四周产生中频交变磁场。 3、感应圈中的交变磁场切割感应圈内放置的金属，在金属的表面产生涡流。 4、金属表面产生的涡流非常大，一般可以达到几万～十几万安培，这样大的电流足以瞬间将金属熔化。 5、由于交变磁场直接在金属中产生涡流而发热，因此感应加热的效率比起火焰加热、热辐射、电弧等加热方式是最高的。 6、由于电磁场的搅拌，使得熔化的金属液体成分比较均匀。 Principle of Induction Melting Furnace 1. The core component of the induction melting furnace is a round induction coil-commonly known as an induction coil. It is wound by a rectangular copper tube into a spiral shape. 2. Pass an intermediate frequency current to the inductor, then an intermediate frequency alternating magnetic field will be generated in the middle and around the induction coil. 3. The alternating magnetic field in the induction coil cuts the metal placed in the induction coil and generates eddy currents on the surface of the metal. 4. The eddy current generated on the metal surface is very large, generally reaching tens of thousands to hundreds of thousands of amperes. Such a large current is enough to melt the metal instantly. 5. Since the alternating magnetic field directly generates eddy currents in the metal to generate heat, the efficiency of induction heating is the highest compared to flame heating, thermal radiation, arc heating and other heating methods. 6. Due to the stirring of the electromagnetic field, the composition of the molten metal liquid is relatively uniform.