大功率高速泵密封装置开发
何方1，戴侃2，唐正明1
（1.四川日机密封件股份有限公司，四川 成都 610045；2.北京航天石化技术装备工程有限公司，北京 100076）
摘要：高速泵密封腔体狭小，密封尺寸紧凑、转速高、功率大，在有限腔体要保证密封的可靠性，关键是保证零件的设计强度和刚度以及加工工艺性。利用已有非标设计的经验，重点对密封零件轴向尺寸的合理分配、密封端面参数的计算和选择、不锈钢薄壁件的加工及变形分析、高速转动件的结构、材料、动平衡及密封端面发热等几个方面进行研发设计，最终产品并通过了试验和现场应用。可以广泛运用于PTA装置中的大功率高速泵、聚丙烯装置的提升风机等设备中。
关键词：高速泵；高速密封；大功率；增速箱；PV值
The development of mechanical seal for large power and high speed pump
HE Fang1，DAI Kan2，TANG Zhengming1
( 1.Sichuan Sunny Seal Co., Ltd., Chengdu 610045, China; 2.Beijing Aerospace Petrochemical Technology and Equipment Engineering Corporation Limited, Beijing 100076, China )
Abstract：Because of the narrow seal chamber, compact seal structure, high speed and large power, in order to assure the reliability of seal under the limited chamber, it is crucialto assure the design strength and stiffness of component and its fabrication procedure. Based on the existing design experience of non-standard product, we mainly researched on reasonable arrangement of seal component’s axial dimension, calculation and selection of seal face parameters, manufacturing and deformation analysis of thin wall stainless steel component, structure, material and dynamic balance of high speed rotary component, heat generating of seal face, and finally the production passed the test and field application. After the successful development of this project, it can be widely used in large power and high speed pump, blower in polypropylene plant.
Key words：high speed pump；high speed seal；large power；speed increase gearbox；PV value
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收稿日期：2016－04－10
基金项目：四川省科技计划项目（2014GZ0128）
作者简介：何方（1963－），女，四川成都人，本科，高级工程师，主要研究方向为机械密封技术。
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