动力系统湿蒸汽介质测量方法
By opening pressure-inducing holes at the leading edge and side wing of the cylindrical flow-through component, and combining them with differential pressure and frequency sensors, a simplified measurement of the mass flow rate, density, and dryness of wet steam medium was achieved. This solved the problem of the complexity of wet steam dryness measurement, improved measurement accuracy, and reduced costs.
CN121540235BActive Publication Date: 2026-07-17CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
- Filing Date
- 2025-10-31
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies for measuring the dryness of wet steam are complex, leading to increased complexity and cost of flow measurement devices.
Method used
A method combining a cylindrical flow element and a differential pressure sensor with a frequency sensor is adopted. By opening pressure-inducing holes at the leading edge and side wing of the cylindrical flow element, the differential pressure and vortex frequency are measured, and the mass flow rate, density and dryness of wet steam are calculated by combining the data processor.
Benefits of technology
It simplifies the complexity of the measuring device, improves the accuracy and efficiency of wet steam medium measurement, and reduces measurement costs.
✦ Generated by Eureka AI based on patent content.
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Figure CN121540235B_ABST
Abstract
本发明涉及流体干度测试的技术领域，提供一种动力系统湿蒸汽介质测量方法，测量装置包括计量管体、圆柱绕流件、防护壳体和数据处理器；圆柱绕流件设于计量管体内；防护壳体设置于计量管体的外壁面，压差传感器和频率传感器设于防护壳内；压差传感器和频率传感器与数据处理器电连接，数据处理器用于基于压差传感器和频率传感器的数据得到待测介质的质量流量、密封和干度；圆柱绕流件的柱体上开设有用于连通压差传感器的第一引压孔和第二引压孔。本发明通过在圆柱绕流件的前缘和侧翼均开设引压孔，并配合压差传感器和频率传感器测得的数据，以实现待测介质的质量流量、密度和干度的测量，降低了整个测量装置的复杂程度。
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