该文对该厂双螺旋输送机的输送能力及所需功率进行了核算，并介绍螺旋旋芯磨损严重、螺旋轴弯曲、串轴等故障进行技改的情况。
The transportation capacity and needed power of the conveyor are examined, with a description of the modification to the conveyor in its roller damage, axis bend, axis in series etc.
浮动螺旋结构可自动适应密封压力，自动补偿螺旋磨损，自动适应泵轴串动；
The floating spiral structure is designed to automatically adapt the sealing pressure, to compensate automatically spiral wear and adapt shaft play.
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