IMPACT OF INTER-COOLING AND REHEAT ON THERMAL EFFICIENCY OF COAL-GASIFIED STIG CYCLE

doi:10.19666/j.rlfd.1999.04.012

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IMPACT OF INTER-COOLING AND REHEAT ON THERMAL EFFICIENCY OF COAL-GASIFIED STIG CYCLE

更新时间：2025-09-28

- IMPACT OF INTER-COOLING AND REHEAT ON THERMAL EFFICIENCY OF COAL-GASIFIED STIG CYCLE
- Thermal Power Generation Issue 4, (1999)
- 作者机构：
  
  1. 哈尔滨工业大学
  2. 哈尔滨市建筑设计院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.1999.04.012
  CLC： TK472.5
- Published：1999
- 稿件说明：
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IMPACT OF INTER-COOLING AND REHEAT ON THERMAL EFFICIENCY OF COAL-GASIFIED STIG CYCLE[J]. Thermal power generation, 1999, (4).
DOI：

IMPACT OF INTER-COOLING AND REHEAT ON THERMAL EFFICIENCY OF COAL-GASIFIED STIG CYCLE[J]. Thermal power generation, 1999, (4). DOI： 10.19666/j.rlfd.1999.04.012.

摘要

将整体煤气化联合循环中的煤气化技术用于注蒸汽燃气轮机循环，使燃油的ＳＴＩＧ循环改为燃煤气的ＳＴＩＧ循环，并对该循环增加了中间冷却和再热设备，同时计算了燃煤气的中冷再热ＳＴＩＧ循环的热效率，分析了中冷和再热对循环热效率的影响，从而得出了不同于燃油ＳＴＩＧ循环的结论，即在现有压比条件下，中冷和再热并不能改善燃煤气的ＳＴＩＧ循环的热效率。

Abstract

Abstract Introduced in this paper is a combination of coal gasification technology used in IGCC with a steam injected gas turbine cycle（STIG）

which changes its fuel from oil to gasified coal.The STIG cycle is added with inter-cooling and reheat.Calculations of thermal efficiency are made on this coal gasified inter-cooling and reheat STIG cycle and the impace of inter-cooling and reheat on the thermal efficiency are analyzed.The conclusion is different from that of STIG cycle with oil as the fuel

that is

under the available condition at the moment

the thermal cfficiency of the coal-gasi fied STIG cycle can not be increased by the inter cooling and reheat.

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