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1991年建成投产的湖北省兴山县南阳电站,装机1.2万kW。运行过程中设备逐渐暴露出各种缺陷,两台水轮机水导瓦抽油烧瓦事故一直被认为是不可解决的问题。特别是在丰水期,水轮机大轴漏水淹没轴承座,在密封镜板处形成真空,抽走水导瓦的降温润滑油,仅此问题造成电站年损失达13万元。经过电站职工大胆计划实施,只在水道轴径处打了1个眼,成功地解决了难题。
The Nanyang Power Station in Xingshan County, Hubei Province, which was completed and put into operation in 1991, installed 12,000 kW. In the course of operation, equipment has gradually exposed various defects. The accidents of pumping oil and tile in two hydraulic turbine water guide bushes have been considered as unsolvable problems. Especially in the flood season, the water leakage from the turbine shaft flooded the bearing seat, a vacuum was formed at the sealed mirror plate, and the cooling lube oil drained from the water guide tile was removed. This problem alone caused a power plant loss of 130,000 yuan per year. After the power plant employees boldly implemented the plan, only one eye was drilled at the shaft diameter, successfully solving the problem.