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ф28风闸由于制动用气与顶转子用油共一套管路,顶转子后缸内余油被刹车的气体压出缸外,喷至发电机线棒上,影响线棒绝缘,加速线棒绝缘老化。对于运行多年的机组,由于橡皮碗老化,活塞间隙增大,此现象更为严重。为此,我们在新安江电站风闸改进的基础上,按图1结构型式予78年将~#1机风闸改成双缸式,采用φ9耐油圆橡皮条
ф28 brake As a result of the brake gas and the top rotor oil a total of a pipeline, the top rotor after the oil in the cylinder is braked gas pressure out of the cylinder, sprayed onto the generator rod, the impact of insulation rod, acceleration line Rod insulation aging. For many years of operation of the unit, the rubber bowl aging, the piston gap increases, the phenomenon is more serious. To this end, based on the improvement of the wind gate of the Xin’anjiang Power Station, we will change the structure of ~ # 1 air damper to double cylinder type according to the structural type in Figure 1, and adopt the φ9 oil resistant round rubber band