动力系统流动状态测量方法
By setting a skin section at the leading edge of the cylindrical flow element to sense the number of particle impacts and the impact force, and combining it with frequency sensor data, the problem that vortex flow meters cannot accurately measure particle solid-liquid two-phase flow is solved, and the effective measurement of particle concentration and size in the power system is realized.
CN121655635BActive Publication Date: 2026-07-17CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
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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 vortex flow meters cannot accurately measure the flow rate of particulate solid-liquid two-phase flow, and cannot meet the measurement requirements of power systems.
Method used
The flow state measuring device consists of a metering tube, a cylindrical flow element, and a protective shell. By setting a skin at the leading edge of the cylindrical flow element to sense the number of particle impacts and the impact force, and combining the data measured by the frequency sensor, the particle concentration and size can be measured.
Benefits of technology
It enables accurate measurement of flow rate, particle concentration, and particle size in particulate solid-liquid two-phase flow, meeting the measurement requirements of power systems.
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Figure CN121655635B_ABST
Abstract
本发明涉及流体流量、颗粒浓度和尺寸测试的技术领域，提供一种动力系统流动状态测量方法，其测量装置包括计量管体、圆柱绕流件、防护壳体和处理终端；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，压力感测器和频率传感器设于防护壳内，频率传感器的检测端位于圆柱绕流件的下游；压力感测器和频率传感器与处理终端电连接；圆柱绕流件的柱体面向来流方向设置蒙皮部，蒙皮部上均匀布置有多个用于感测固定颗粒冲击力的感测单元，且蒙皮部与压力感测器电性连接。本发明通过蒙皮部与压力感测部实现待测介质中颗粒撞击的次数及平均冲击力的测量，并配合频率传感器测得的数据，以实现待测介质中颗粒浓度和颗粒的尺寸的有效测量。
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