Economic performance study of the integrated MR-SOFC-CCHP system

被引：42
作者：
Hou, Qinlong [1 ,2 ]
Zhao, Hongbin [1 ,2 ]
Yang, Xiaoyu [1 ,2 ]
机构：
[1] China Univ Petr, Coll Machinery & Transportat Engn, Beijing 102249, Peoples R China
[2] Beijing Key Lab Proc Fluid Filtrat & Separat, Beijing 102249, Peoples R China
来源：
ENERGY | 2019年 / 166卷
基金：
中国国家自然科学基金;
关键词：
Methanol; Solar energy; SOFC-GT-ST; Annual profit; Investment payback period; HEAT-PUMP SYSTEM; EXERGOECONOMIC ANALYSIS; ENERGY; DEGRADATION;
D O I：
10.1016/j.energy.2018.10.072
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The fossil energy crisis is a great test for human society, and the technology of methanol reforming for hydrogen fuel cell has attracted much attention. Based on Aspen Plus - the large business process simulation software, this paper constructs a distributed energy system based on solar methanol reforming SOFC. It is combined with GT-ST power generation system and AHP-AR. We optimized the design of system integration mode, and the steady-state model of thermal calculation of the system is constructed. The calculation results show that, power, heating and cooling output of MR-SOFC-CCHP system are 226.9 kW, 46.6 kW and 36.4 kW respectively under design conditions. The power output efficiency and thermal efficiency were 59.7% and 81.6% respectively. System annual profit: 517,000 yuan/year. Compared with the annual profit of CCHP system of 275,000 yuan per year, its annual profit is increased by 242,000 yuan/year. The investment payback period of MR-SOFC-CCHP system decreases with the decrease of SOFC price. With the price of SOFC reduced from 50,000 yuan/kW to 15,000 yuan/kW, the investment payback period of MR-SOFC-CCHP system decreased from 14.0 to 5.8 years. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：236 / 245
页数：10
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