The stainless steel electric heating tube is made of metal tube, and the spiral electric heating alloy wire (nickel chrome, iron chrome alloy) is uniformly distributed along the center of the tube. The gap is filled with magnesia sand with good insulation and thermal conductivity. Silicone or ceramic seals that heat air, metal molds and various liquids.
According to the different use state, safety and installation requirements of the electric heating pipe, the electric heating pipe also includes other structures such as a sealing structure, a structure of a terminal portion, a flange, a temperature control or a fuse.
1. Product advantages
The utility model has the advantages of simple structure, high mechanical strength, high thermal efficiency, safety and reliability, simple installation and long service life.
2. Application range
Widely used in a variety of saltpeter tanks, water tanks, oil tanks, acid and alkali tanks, fusible metal melting furnaces, air heating furnaces, drying furnaces, drying ovens, hot stamping and other devices.