非金属材料隔热件为套设在转子驱动轴下部的主轴内隔热套。
The nonmetal material insulating part is an inner insulating sleeve of the main shaft, which is sleeved at the lower part of the rotor driving shaft.
隔热套、耐火纤维层和耐热橡胶层组成，制成封闭环状密封圈。
The seal ring consists of a heat insulation sleeve, a refractory fiber layer and a heat-resistant rubber layer, and is made into a sealed circular shape.
位于主轴内隔热套顶部的转子驱动轴上还套设有一主轴外隔热套。
The rotor driving shaft positioned on the top part of the rotor driving shaft is also sleeved with an outer insulating sleeve of the main shaft.
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