APPLICATION OF SOLAR ENERGY IN IMPROVING THERMAL ECONOMIC EFFICIENCY OF THERMAL POWER PLANTS

LIU Qiang1; GUO Min-chen2; YANG Ling3; DING Ke-ke1; WANG Xiang11.Nanjing Engineering College

doi:10.19666/j.rlfd.2008.06.004

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APPLICATION OF SOLAR ENERGY IN IMPROVING THERMAL ECONOMIC EFFICIENCY OF THERMAL POWER PLANTS

更新时间：2025-09-28

- APPLICATION OF SOLAR ENERGY IN IMPROVING THERMAL ECONOMIC EFFICIENCY OF THERMAL POWER PLANTS
- Thermal Power Generation Issue 6, Pages: 13-15(2008)
- 作者机构：
  
  1. 南京工程学院
  2. 华北电力大学
  3. 北京恩耐特分布能源技术有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.06.004
  CLC： TM621
- Published：2008
- 稿件说明：
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LIU Qiang1, GUO Min-chen2, YANG Ling3, et al. APPLICATION OF SOLAR ENERGY IN IMPROVING THERMAL ECONOMIC EFFICIENCY OF THERMAL POWER PLANTS[J]. Thermal power generation, 2008, (6): 13-15.
DOI：

LIU Qiang1, GUO Min-chen2, YANG Ling3, et al. APPLICATION OF SOLAR ENERGY IN IMPROVING THERMAL ECONOMIC EFFICIENCY OF THERMAL POWER PLANTS[J]. Thermal power generation, 2008, (6): 13-15. DOI： 10.19666/j.rlfd.2008.06.004.

摘要

提出了利用太阳能产生的蒸汽代替火电厂热力系统中的某级低压抽汽来提高机组热经济性的方案

并分别计算了600 MW、300 MW、200 MW机组热经济指标的变化

计算表明:额定工况下利用太阳能后机组发电标准煤耗率均可降低7 g/(kW.h)以上

汽耗率降低70 g/(kW.h)以上

节能效果显著;对热效率低的机组

利用太阳能降低发电标准煤耗的潜力更大。

Abstract

By using steam produced by solar energy to replace low-pressure extraction steam in one stage of the thermodynamic system of thermal power plant

a scheme for increasing thermal economic efficiency has been put forward.The changes of thermal economic efficiency for 600 MW

300 MW

and 200 MW unit have been calculated respectively

results of calculation show that the standard coal consumption rate of three said units being decreased by more than 7 g/(kW·h)

and the steam consumption rate of them by more than 70 g(kW·h).The effectiveness of energy-saving is remarkable.For units with low thermal efficiency

there is a more greater potential for reducing standard coal consumption by using solar energy.

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