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摘要：控制阀,也被称为控制阀,在工艺管道的最终控制元件,并在各种行业中的应用范围广泛。现有的阀门在应用过程中存在很多问题,如泄漏量大,易插拔卡、流量系数小、振动,口哨等。这对控制阀的发展是一个很大的制约。本文是从节流阀的整体结构入手,分析了调节阀的内部流动特性,找出了影响调节阀动态特性的关键因素,这对于调节阀的研制具有重要的理论意义和实用价值。本文设计了一种新型套筒式调节阀，套筒上的孔是异型孔。70106
毕业论文关键词：新型调节阀；特性；结构；异形孔。
Research and Development of New Type of Sleeve Control Valve
Abstract: Control valve, also known as the control valve, is the final control of the pipeline in the process, in various industries have a wide range of applications. With the rapid development of the market, the demand for the valve is constantly increasing, while the requirements of the valve products are also getting higher and higher. The existing control valve in the application process there are many problems, such as leakage, easy to plug the card, the flow coefficient is small, the adjustment range is small, vibration, howling and so on. This is a great constraint on the development of the control valve. This paper analyzes the internal characteristics of the control valve from the overall structure of the control valve and finds the key factors that affect the dynamic characteristics of the control valve. This has important theoretical and practical value for the development of the control valve. This paper mainly designs a new type of sleeve type regulating valve, the hole on the sleeve is shaped hole.
KeyWords:Newcontrolvalve；characteristic；structure；Straight hole。
目录
1绪论…………………………………………………………………………………………1
1.1课题介绍…………………………………………………………………………………1
1.2课题研究的意义…………………………………………………………………………1
1.3国内外研究进展及发展趋势……………………………………………………………1
1.3.1简介调节阀…………………………………………………………………………1
1.3.2调节阀的结构形式的分类选择……………………………………………………2
1.3.3低噪声套筒调节阀内件……………………………………………………………2
1.3.4多级降压套筒调节阀内件…………………………………………………………3
1.3.5现有调节阀的情况…………………………………………………………………4