STUDY ON A NEW TYPE FLOW-RATE METER OF THE CONDENSATE

LI Yong; WANG Jiayong College of Energy and Power Engineering

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STUDY ON A NEW TYPE FLOW-RATE METER OF THE CONDENSATE

Thermal Power Generation Vol. 41, Issue 3, Pages: 26-28(2012)

更新时间：2025-09-28

- STUDY ON A NEW TYPE FLOW-RATE METER OF THE CONDENSATE
- 作者机构：
  
  东北电力大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH814
- Published：2012
- 稿件说明：
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LI Yong, WANG Jiayong College of Energy and Power Engineering. STUDY ON A NEW TYPE FLOW-RATE METER OF THE CONDENSATE[J]. Thermal Power Generation, 2012, 41(3): 26-28.
DOI：

LI Yong, WANG Jiayong College of Energy and Power Engineering. STUDY ON A NEW TYPE FLOW-RATE METER OF THE CONDENSATE[J]. Thermal Power Generation, 2012, 41(3): 26-28. DOI：

摘要

结合某300MW机组5号低压加热器出口的凝结水参数及其管道尺寸

设计出一种便携式一体化孔板流量测量装置

在该装置前、后分别自带长度为3D、2D的直管段

由带颈对焊法兰与管道连接

以减少法兰对孔板前后流场的影响。对该流量测量装置进行标定的结果表明

其测量最大误差为0.85%左右

满足汽轮机热力性能试验对流体流量测量精度的要求。

Abstract

Combined with parameters of condensate at outlet of the low-pressure heater no.5 of one 300MW unit as well as the size of pipelines

a portable integrated perforated-plate type flow-rate meter has been designed.Before and after the said meter

straight pipe-sections

with length of 3D and 2D respectively

are connected to pipelines by using butt-welded flange

so as to reduce the influence of flange upon the flow field of fluid before and after the peforated plate.The result of calibration of said flow-rate meter shows that the maximum error in measurement is about 0.85%

satisfying the requirement in measurement precission of fluid flowrate in thermodynamic performance test of steam turbines.

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