Effect of gasified biomass fuel on load characteristics of an intermediate-temperature solid oxide fuel cell and gas turbine hybrid system

被引：33
作者：
Lv, Xiaojing [1 ]
Gu, Chenghong [2 ]
Liu, Xing [1 ]
Weng, Yiwu [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Minist Educ, Key Lab Power Machinery & Engn, Shanghai 200240, Peoples R China
[2] Univ Bath, Dept Elect & Elect Engn, Bath BA2 7AY, Avon, England
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 22期
基金：
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词：
Intermediate temperature solid oxide fuel cell; Gas turbine; Hybrid system; Gasified biomass gas; Load characteristic; Adjusting mode; PERFORMANCE ANALYSIS; THERMODYNAMIC ANALYSIS; EXERGY ANALYSIS; SOFC; OPTIMIZATION; GASIFICATION; POWER; INTEGRATION; DESIGN; ANODE;
D O I：
10.1016/j.ijhydene.2016.04.104
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This work uses the mathematical model of an intermediate-temperature solid oxide fuel cell and gas turbine (IT-SOFC/GT) hybrid system to study the effects of gasified biomass fuels on system load characteristics. The system performance is investigated by using four types of fuels in each adjusting mode. The relation between the fuel type and load adjusting mode is obtained for users and designers to select the appropriate fuel for reasonable operation modes. Results show that the hybrid system of 182.4 kW has a high electric efficiency of 60.78% by using wood chip gas (WCG). If cotton wood gas (CWG) and corn stalk gas (CSG) are used, both boundary values of steam to carbon ratio (S/C-bv) and system power are higher, but system efficiencies decrease to 57.36% and 57.87% respectively. In the designed three load adjusting modes, the system can reach maximum efficiency over 59% with four types of biomass gases. If high efficiency and a wide range of load adjustment are required, users can select Case B to use fuels like WCG and GSG. When higher efficiency and low load is expected, Case A is more desirable. With fuels like CWG and CSG, the system has good safety performance in Case C. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9563 / 9576
页数：14
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