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深圳南华气体有限公司一套 170吨 /天空分液化装置 ,由于错误地加了一条旁通的临时连接气管 ,使得在断电的情况下保护失灵 ,造成膨胀机轴瓦烧坏。另外 ,膨胀机轴瓦油箱设计也存在问题。分析了事故的原因 ,并进行了改进。
Shenzhen South China Gas Co., Ltd. a set of 170 tons / sky sub-liquefaction unit, due to a false addition of a temporary connection of the bypass pipe, making the case of power failure protection failure, resulting in expander shaft bearings burn out. In addition, expander bearing oil tank design problems. The causes of the accident were analyzed and improvements were made.