CALCULATION AND ANALYSIS OF DESUPERHEATING WATER FOR A 2028 t/h BOILER

QIAN Jin1; WANG Guan-lun2; ZHOU Kai-gui21.College of Electrical Engineering

doi:10.19666/j.rlfd.2009.03.008

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CALCULATION AND ANALYSIS OF DESUPERHEATING WATER FOR A 2028 t/h BOILER

更新时间：2025-09-28

- CALCULATION AND ANALYSIS OF DESUPERHEATING WATER FOR A 2028 t/h BOILER
- Thermal Power Generation Vol. 38, Issue 3, Pages: 34-39(2009)
- 作者机构：
  
  1. 贵州大学电气工程学院
  2. 大唐发耳发电公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2009.03.008
  CLC： TK222
- Published：2009
- 稿件说明：
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QIAN Jin1, WANG Guan-lun2, ZHOU Kai-gui21.College of Electrical Engineering. CALCULATION AND ANALYSIS OF DESUPERHEATING WATER FOR A 2028 t/h BOILER[J]. Thermal power generation, 2009, 38(3): 34-39.
DOI：

QIAN Jin1, WANG Guan-lun2, ZHOU Kai-gui21.College of Electrical Engineering. CALCULATION AND ANALYSIS OF DESUPERHEATING WATER FOR A 2028 t/h BOILER[J]. Thermal power generation, 2009, 38(3): 34-39. DOI： 10.19666/j.rlfd.2009.03.008.

摘要

以SG2028/17.5型锅炉为对象

采用循环函数法

就汽温调节减温水的来源和水量对汽轮机组经济性的影响进行了定量计算和分析

绘制出了特性曲线图。计算分析表明

投入减温水会降低机组经济性

减温水流量越大

机组经济性下降越大;同样负荷及减温水流量

再热器减温对机组经济性的影响大于过热器。

Abstract

Taking the SG 2028/17.5 type boiler as an object

the influence of water source and water quanlity used as desuperheating water for adjusting steam temperature upon the economic efficiency of the steam turbine unit has been quantitatively calculated and analysed

and characteristic curves being drawn up.Results of calculation and analysis show that the putting desuperheating water into service may reduce the economic efficiency of the unit

the larger flowrate of desuperheating water

the more decreasing economic efficiency of the unit;and the influence of reheater's desuperheating water flow rate upon the economic efficiency of unit is greater than that of the superheater.

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