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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference: High-Pressure Technology 2003: Shaping High Pressure Technology for the Future; 20030720-20030724; Cleveland,OH; US >ADVANCED DESIGN METHODS FOR PACKING CUPS OF HYPERCOMPRESSOR CYLINDERS
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ADVANCED DESIGN METHODS FOR PACKING CUPS OF HYPERCOMPRESSOR CYLINDERS

机译：高压压缩机气缸套的高级设计方法

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摘要

Reciprocating Compressors for LDPE applications operating at pressures over 3000 bars require advanced methods for designing cylinders components. Packing cups undergoing very high-pressure fluctuations and severe operating conditions are designed by FEM to determine the stress level in a more accurate way. Considering boundary conditions, complex geometry and the consequent stress risers, the procedure allows to optimize the cups profile, giving a strong contribution to machine performance and plant availability. Challenging performance and capacity change requirements are faced by using innovative solutions related to simulation methods, technologies and diagnostic systems. FEM is used to make a comparison of the stress state during normal operating conditions, between the original solution and a modified one. The modified application requires a higher capacity and consequently a bigger plunger diameter and a different geometry of packing cups. In addition, site feedback and Service engineering are essential to improve safety, reliability, availability, and maintainability, as well as general performance of the machines, particularly for high-pressure cylinder components.
机译：在压力超过3000 bar的LDPE应用中，往复式压缩机需要先进的方法来设计气缸组件。 FEM设计了承受极高压力波动和严酷操作条件的填料杯，以更精确的方式确定应力水平。考虑到边界条件，复杂的几何形状以及随之而来的应力上升，该程序允许优化杯形轮廓，从而对机器性能和工厂可用性做出了重要贡献。通过使用与仿真方法，技术和诊断系统相关的创新解决方案，将面临具有挑战性的性能和容量更改要求。 FEM用于比较原始解决方案和修改后的解决方案在正常运行条件下的应力状态。修改后的应用需要更高的容量，因此需要更大的柱塞直径和不同的填料杯几何形状。此外，现场反馈和服务工程对于提高安全性，可靠性，可用性和可维护性以及机器的总体性能（特别是对于高压气缸组件）至关重要。

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