| 超声波流量计及其在火力发电厂中的应用 |
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| 引用本文： | 孙轶卿,朱小花.超声波流量计及其在火力发电厂中的应用[J].上海计量测试,2009,36(1):42-44. |
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| 作者姓名： | 孙轶卿 朱小花 |
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| 作者单位： | 华北电力大学 能源与动力工程学院 |
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| 摘 要： | 火电厂中的循环水系统具有管径大、流速低等特点，常规测量仪器难以测准其流量，造成循环水泵电耗较大。通过分析两种不同类型时差法超声波流量计的基本原理，说明了现场应用超声波流量计可能遇见的问题，并对其常见故障和解决措施进行了归类分析。现场实际应用表明，使用超声波流量测量系统具有高集成度、反应速度快、测量准确度高等特点。
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| 关 键 词： | 超声波流量计 循环冷却水 火电厂 节能 |
The application of ultrasonic wave flowmeter in the measurement of power plant |
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| Sun Yiqing,Zhu Xiaohua.The application of ultrasonic wave flowmeter in the measurement of power plant[J].Shanghai Meassurement and Testing,2009,36(1):42-44. |
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| Authors: | Sun Yiqing Zhu Xiaohua |
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| Affiliation: | (School of Energy and Power Engineering, North China Electric Power University) |
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| Abstract: | The diameter of recycling cooling water pipe in thermal power plant is very large, and has low water flow speed, the use of conventional flow measurement equipment which has lower accuracy is not conducive to plant energy saving. The basic principles of the two types of ultrasonic wave flowmeter based on time difference method are analyzed, and their common problems and its correspond solutions are classified. Practical application of the scene showed that the use of ultrasonic wave flow measurement system has a high level of integration, reaction speed, high accuracy of measurement. |
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| Keywords: | ultrasonic wave flowmeter recycling cooling water power plant energy-saving |
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