S082013 Performance Analysis of Integrated Coal Gasification Fuel Cell Combined Power Generation System

2013 ◽  
Vol 2013 (0) ◽  
pp. _S082013-1-_S082013-5
Author(s):  
Ryosuke NII ◽  
Yosuke KOMATSU ◽  
Shinji KIMIJIMA
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Performance Analysis ◽  
Coal Gasification ◽  
Generation System ◽  
Power Generation System

Thermodynamic Modeling and Performance Analysis of a Power Generation System Based on the Solid Oxide Fuel Cell

2003 ◽  
Author(s):  
Bong-Hyang Bae ◽  
Jeong L. Sohn ◽  
Sung Tack Ro
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Performance Analysis ◽  
Solid Oxide Fuel Cell ◽  
Solid Oxide ◽  
Total Power ◽  
Exhaust Gas ◽  
Oxide Fuel ◽  
Generation System ◽  
Power Generation System

Performance analysis with detailed thermodynamic models of a power generation system based on the solid oxide fuel cell (SOFC) is presented. The proposed power system in this study is composed of an external reformer, a SOFC with an internal reformer, an afterburner, and preheaters. Natural gas (CH4) as supplied fuel to the SOFC is reformed to hydrogen (H2) by external and internal reformers. Necessary steam for the use in reformers is either externally supplied or internally recirculated from exit of the SOFC. Exhaust gas of the SOFC containing steam and other chemical compositions is combusted in afterburner to raise its temperature to preheat supplied fuel and air. It is found from the results of performance analysis that the system performance can be enhanced by the use of internally recirculated steam from the exhaust gas of the SOFC. It is also found that the benefit of the high-pressure operation is not so secure if the power to compress supplied air is consumed from the produced power of the system. Installation of a turbine at the system exhaust produces necessary power to pressurize supplied air and, additionally, extra power to enhance total power density of the system.

scholarly journals Development of a Low-NOx LBG Combustor for Coal Gasification Combined Cycle Power Generation Systems

1989 ◽  
Author(s):  
M. Sato ◽  
T. Abe ◽  
T. Ninomiya ◽  
T. Nakata ◽  
T. Yoshine ◽  
...  
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
Gas Turbines ◽  
Coal Gasification ◽  
Combined Cycle ◽  
Generation System ◽  
Combustion Technology ◽  
Power Generation System ◽  
Combustion Tests ◽  
Power Generation Systems

From the view point of future coal utilization technology for the thermal power generation systems, the coal gasification combined cycle system has drawn special interest recently. In the coal gasification combined cycle power generation system, it is necessary to develop a high temperature gas turbine combustor using a low-BTU gas (LBG) which has high thermal efficiency and low emissions. In Japan a development program of the coal gasification combined cycle power generation system has started in 1985 by the national government and Japanese electric companies. In this program, 1300°C class gas turbines will be developed. If the fuel gas cleaning system is a hot type, the coal gaseous fuel to be supplied to gas turbines will contain ammonia. Ammonia will be converted to nitric oxides in the combustion process in gas turbines. Therefore, low fuel-NOx combustion technology will be one of the most important research subjects. This paper describes low fuel-NOx combustion technology for 1300°C class gas turbine combustors using coal gaseous low-BTU fuel as well as combustion characteristics and carbon monoxide emission characteristics. Combustion tests were conducted using a full-scale combustor used for the 150 MW gas turbine at the atmospheric pressure. Furthermore, high pressure combustion tests were conducted using a half-scale combustor used for the 1 50 MW gas turbine.

Sign in / Sign up

Export Citation Format

Share Document