首页> 外文会议>2013 International conference on process equipment, mechatronics engineering and material science >Reform of Mechanical Shaft Sealing Self Flush System of Petrochemical Hot Oil Centrifugal Pump
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Reform of Mechanical Shaft Sealing Self Flush System of Petrochemical Hot Oil Centrifugal Pump

机译:石化热油离心泵机械轴封自冲洗系统的改造

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摘要

Mechanical seal leakage of centrifugal pumps (especially hot oil pumps) is the main fault reason of the petrochemical equipments.The fuction of the sealing flush system is to maintain the mechanical shaft seal function correctly.The misconduct of flush system settings will directly lead to the failure of mechanical seal.In this paper,the problems are analyzed for the present mechanical seal flushing system.When the centrifugal pump is in a standby state,flushing system may not provide normal flush flow in self flush plan.This may lead to surface fouling of the hot mechanical shaft seal,resulting in seal failure.Our research focus on solving these problems.The way is to change the source of flush fluid,that is to change the flush plan to external flush plan or toChange the fluid pipe position.
机译:离心泵(特别是热油泵)的机械密封泄漏是石化设备的主要故障原因,密封冲洗系统的功能是保持机械轴的密封功能正常,冲洗系统设置不当会直接导致本文分析了现有机械密封冲洗系统的问题。当离心泵处于待机状态时,冲洗系统在自冲洗计划中可能无法提供正常的冲洗流量,这可能导致表面积垢。我们研究的重点是解决这些问题。方法是更改​​冲洗流体的来源,即将冲洗计划更改为外部冲洗计划或更改流体管道位置。

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