轴承套圈余热退火辊底炉生产线是一高度机械化自动化的特大型加热设备。由于受厂房长度限制，设计成长方形的闭环结构，这是本设计的特点之一。

The large roller hearth furnace production line for annealing hot bearing RACES is designed as a rectangular and closed structure under the limit of the length of available shop.

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本系列电阻炉外形均为长方形，炉壳系采用角钢、冷轧板焊接制成，表面静电喷涂。

This series of resistance furnace shape is rectangular, the furnace shell with Angle steel, cold-rolled plate made of the welding, surface electrostatic spraying.

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