There were continuously increasing unstable vibration in the turbine and blower bearings during running of No.3 blower with load of the Heat Power Plant of Xiangtan Iron &Steel Co.

• 湘钢热电厂3%23风机带负荷运行过程中,汽轮机和风机轴先后发生不稳定振动且振幅持续增大的现象。