650轧钢车间出炉辊道的改进

Improvement of roller bed out of stove in 650 steel─milling workshop

针对６５０轧钢车间出炉辊道在使用过程中出现的问题进行了改进，提高使用寿命１～２倍，经济效益十分显著。

Improvement has been made in light of the problem of roller bed out of stove in 650 steelmilling workshop.This has raised the age by 1 to 2 times, and achieved outstanding economic benefit.