Structural and Parametric Optimization of S-CO2 Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia

被引：8

作者：

Rogalev, Andrey ^{[1
]}

Kindra, Vladimir ^{[1
]}

Komarov, Ivan ^{[1
]}

Osipov, Sergey ^{[1
]}

Zlyvko, Olga ^{[1
]}

机构：

[1] Natl Res Univ, Moscow Power Engn Inst, Dept Innovat Technol High Tech Ind, Moscow 111250, Russia

来源：

ENERGIES | 2021年 / 14卷 / 21期

关键词：

supercritical carbon dioxide; working fluid; thermodynamic optimization; efficiency; recompression; bypass; ORGANIC RANKINE-CYCLE; SYSTEM;

D O I：

10.3390/en14217136

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants. The transition to supercritical carbon dioxide (S-CO2) working fluid is a promising way to achieve a significant reduction in equipment metal consumption and to increase energy efficiency. This paper presents the results of thermodynamic analysis of S-CO2 thermal power plants (TPPs) utilizing the heat of combustion products of an energy boiler. It was found that the net efficiency of the developed S-CO2 TPP with a pulverized coal-fired boiler reached 49.2% at an initial temperature of 780 degrees C, which was 2% higher compared to the efficiency level of steam turbine power plants (STPPs) at a similar turbine inlet temperature.

引用

页数：20

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