对多级离心式甲醇泵多次烧瓦和转子卡涩的原因进行分析，针对轴承间隙太小、甩油环浸油深度过深导致润滑油量不足使轴瓦烧坏的问题及转子卡涩问题，采取了有效的解决办法及预防措施。%The causes for burnt brake blocks and rotor jam in a multi-stage centrifugal methanol pumps are analyzed and Considering a small bearing clearance and a deeper immersion oil of oil-throwing ring lead to an insufficient amount of lube-oil causing the block burnt and rotor jammed,effective solutions and preventive measures are applied.
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