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七十年代,我国从法国赫尔蒂公司引进了三套大型合成氨化肥装置,分别安装于南京栖霞山化肥厂、广州石油化工厂与安庆石油化工总厂.安装在南京栖霞山化工厂的KT1501高压缸转子在1978年9月投入运行后,至1979年3月,发生了三次第一级叶片断裂事故,其中两起是叶顶部分铆钉和围带的折断,一起是枞树型叶根第一齿处疲劳断裂.由此,三厂皆降转速,降低负荷至设计值的70%进行生产.
In the seventies, China imported three large-scale synthetic ammonia fertilizer plants from Hercules in France, which were installed in Qixiashan Chemical Fertilizer Plant in Nanjing, Guangzhou Petrochemical Plant and Anqing Petrochemical Plant, respectively. The KT1501 high pressure After the cylinder rotor was put into operation in September 1978, to March 1979, three first-stage blade rupture accidents occurred, two of which were the breakage of the rivet and shroud at the tip of the blade, together with the first of the fir-tree root Tooth fatigue fracture.Therefore, three plants are down speed, reducing the load to 70% of the design value for production.