| 醋酐装置高速泵机械密封的设计 |
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| 引用本文： | 周广凤,何玉杰,周生贵,肖霞平,王俊.醋酐装置高速泵机械密封的设计[J].润滑与密封,2009,34(10). |
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| 作者姓名： | 周广凤 何玉杰 周生贵 肖霞平 王俊 |
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| 作者单位： | 江苏大学流体机械工程技术研究中心,江苏镇江,212013 |
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| 基金项目： | 江苏大学基金项目(04JDG040);;江苏省自然科学基金项目(BK2007095);;江苏省高校自然科学基础研究项目(06KJB480019) |
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| 摘 要： | 针对醋酐装置高速泵转速较高(密封端面线速度大于25m/s),动部件产生的离心力较大,输送介质的特殊性(有毒、易挥发、强腐蚀)以及密封腔温度较高且介质易汽化等特点,设计了静止式平衡型机械密封。计算了端面摩擦热,为提高换热能力将动环设计为辅助螺纹泵送环。现场运行表明,主泵运转时该泵送环可以为隔离液提供合适的泵送压力,提高隔离液的循环速度及时带走密封面的摩擦热,满足机械密封冷却和润滑的要求。
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| 关 键 词： | 机械密封 隔离液 泵送环 |
Design of High-speed Pump Mechanical Seal of Acetic Anhydride Production Line |
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| Zhou Guangfeng,He Yujie,Zhou Shenggui,Xiao Xiaping,Wang Jun.Design of High-speed Pump Mechanical Seal of Acetic Anhydride Production Line[J].Lubrication Engineering,2009,34(10). |
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| Authors: | Zhou Guangfeng He Yujie Zhou Shenggui Xiao Xiaping Wang Jun |
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| Affiliation: | Technical and Research Center of Fluid Machinery Engineering;Jiangsu University;Zhenjiang Jiangsu 212013;China |
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| Abstract: | High-speed pump was used in the acetic anhydride plant.According to its characteristics of high rotation speed(linear speed of the sealing end is higher than 25 m/s),large centrifugal force created by moving parts of the mechanical seal,the particularity of the medium it conveyed(poisonous,volatile,corrosive),high temperature of the sealing cavity and easy vaporization of the conveyed medium for high-speed pump used in acetic anhydride production line,static conformation balanced mechanical seal was designe... |
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| Keywords: | mechanical seal separation liquid pumping ring |
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