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Motor bearing wear
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At 3 o'clock on the night of April 8; II sets of atmospheric and vacuum equipment operator Wang Guangliang in the pump area inspection; from the roar of dozens of running machine pumps; feel the noise of the pump 112 / 1 motor. He immediately The pump and motor were carefully examined; it was found that the oscillation of the motor and pump was slightly larger than usual. He judged based on years of operation experience; the motor bearing of the pump can be difficult.
Pump 112/1 is an important circulating machine pump (normally bottom oil pump) of II sets of atmospheric and vacuum distillation equipment; if it is a problem of attack, it will directly affect the continuous operation of the equipment circulation system; when it is severe, it can incur the "set of atmospheric pressure reduction" Equipment "non-scheme strike. There is no time to delay; Wang Guangliang immediately ran back to the operation room to explain to the squad leader. After the squad leader went to the scene to check; further recognized Wang Guangliang's judgment. So immediately report to the dispatching and operation staff on duty; contact the electric duty personnel together On-site inspection; after the electric personnel have checked, the switch will immediately switch the pump operation. After the electric personnel dismantle and repair, the motor bearing has been worn and deformed.
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