The steel shell furnace is an important part of the complete equipment of the intermediate frequency induction melting furnace. Heavy-duty steel shell furnaces refer to steel shell furnaces with a capacity of more than 20 tons. The largest steel shell furnace currently produced by our company is 30 tons, and the current operation is stable.

The design of large steel shell furnaces also follows these three principles: improving electrical efficiency, reducing failure rates, and reducing maintenance costs. The company's steel shell furnace has the following unique advantages:

1. All-round protective cover: a protective cover is set on the periphery of the furnace body to effectively protect the safety of the induction coil and water-cooled cable, easy to disassemble, and does not affect the maintenance of the furnace body;

2. Waterless yoke: The traditional water-cooled yoke is canceled, and the air-cooled yoke is used except for the water-cooled cable connection part, which greatly avoids the hidden danger of water leakage in the later stage;

3. Rodless coil: The coil is wound by a horizontal winding process, and the turns of the coil are closely consistent and have no segmentation, so that the maximum electrical efficiency can be obtained; at the same time, the coils support each other, the overall structure is sturdy, and will not be deformed after long-term use; in addition, The coil is treated with porcelain-fired insulation, and insulating gaskets are evenly implanted between adjacent turns, so the insulation performance is superior, and high-voltage ignition can be effectively avoided.