Mechanical seal type XM31A has a single seal face and multi-spring unbalanced structure, and is driven by screw transmission.
XM31A型机械密封为单端面、多弹簧非平衡型结构。采用传动螺钉传动。
The natural exhaust system in screw type dryer often resulted in higher and fluctuated moisture content in dried scraps, therefore it was replaced by a mechanical exhaust system.
螺旋式碎片干燥设备的排潮系统由于设计分歧理，常常造成干燥后碎片含水率偏高且不稳定，为此对其排潮系统进行了改良。
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