Abstract: This paper introduced the main equipment configuration and functions of hightemperature annealing tunnel furnace used in the production of oriented silicon steel, and analyzed its advantages in the aspects of floor area, production efficiency, energy saving, product performance consistency and investment, which provides a new type production equipment and process reference for the hightemperature annealing of oriented silicon steel in China.

Key words: oriented silicon steel, hightemperature annealing tunnel furnace, monomeric bell furnace