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分析了原退火炉设计及制造的不足 ,在 4区中部和 5区前端各增设一台均温风扇 ,去掉 6区炉顶的保温层 ,相应改变等温退火工艺。生产实践表明 ,退火质量提高 ,能耗降低。附图 2幅 ,表 4个。
The design and manufacture of the original annealing furnace were analyzed. An average temperature fan was added to the front of zone 4 and front of zone 5 to remove the thermal insulation of the roof of zone 6 and change the isothermal annealing process accordingly. Production practice shows that the quality of annealing improved energy consumption decreased. Figure 2, Table 4.