8 cN/dtex by innovating the cross air blow unit, installing a steam circular blowing unit and a rectifying plate, applying arc-shaped board in the quenching chamber under other equal conditions.
结果表明,改造侧吹风装置,加装蒸汽环吹和整流板,冷风室内改用弧形板,在其他相同工艺条件下,纺丝的断头次数和废丝率降低,纤维的断裂强度由8。