RETROFIT OF THE FLOW PASSAGE FOR LOW-PRESSURE CYLINDER OF ONE 100 MW STEAM TURBINE

LUO Qin1; ZHANG Da-tong2; LIU Shuang-bai3 (1.Guodian Electric Power Development Co Ltd

doi:10.19666/j.rlfd.2007.03.017

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RETROFIT OF THE FLOW PASSAGE FOR LOW-PRESSURE CYLINDER OF ONE 100 MW STEAM TURBINE

更新时间：2025-09-28

- RETROFIT OF THE FLOW PASSAGE FOR LOW-PRESSURE CYLINDER OF ONE 100 MW STEAM TURBINE
- Thermal Power Generation Issue 3, Pages: 56-58(2007)
- 作者机构：
  
  1. 国电电力发展股份有限公司
  2. 龙威发电技术服务有限公司
  3. 华北电力科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.03.017
  CLC： TK263
- Published：2007
- 稿件说明：
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LUO Qin1, ZHANG Da-tong2, LIU Shuang-bai3 (1.Guodian Electric Power Development Co Ltd. RETROFIT OF THE FLOW PASSAGE FOR LOW-PRESSURE CYLINDER OF ONE 100 MW STEAM TURBINE[J]. Thermal power generation, 2007, (3): 56-58.
DOI：

LUO Qin1, ZHANG Da-tong2, LIU Shuang-bai3 (1.Guodian Electric Power Development Co Ltd. RETROFIT OF THE FLOW PASSAGE FOR LOW-PRESSURE CYLINDER OF ONE 100 MW STEAM TURBINE[J]. Thermal power generation, 2007, (3): 56-58. DOI： 10.19666/j.rlfd.2007.03.017.

摘要

采用三维流场设计方法

在保留原低压缸和主轴的前提下

对某电厂6号100MW汽轮机低压缸通流部分进行了改造。改造后的性能测试表明

低压缸通流效率达到了84.73%

煤耗率降低了18.42g/(kW.h)

达到了机组节能降耗预期的效果。

Abstract

Adopting 3-dimentional flow field design method

a modernizing retrofit of the flow passage for low-pressure cylinder of one 100 MW steam turbine in a power plant has been carried out under prerequisite of reserving the original low-pressure cylinder and the main shaft. The performance test shows that the through flow efficiency of the low-pressure cylinder after retrofit reached 84.73%

the coal consumption rate decreased by 18.42 g/kW·h

obtaining expected effectiveness of energy-saving and consumption-lowering for the unit.

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