Energetic, Economic and Environmental Performance Analysis of a Micro-Combined Cooling, Heating and Power (CCHP) System Based on Biomass Gasification

被引:4
作者
Perrone, Diego [1 ]
Castiglione, Teresa [1 ]
Morrone, Pietropaolo [1 ]
Pantano, Ferdinando [2 ]
Bova, Sergio [1 ]
机构
[1] Univ Calabria, Dept Mech Energy & Management Engn, I-87036 Arcavacata Di Rende, Italy
[2] SILPA Srl, Via E Fermi 14, I-88900 Crotone, Italy
关键词
CCHP systems; biomass gasification; syngas fueled engines; waste heat recovery; COMBUSTION; COGENERATION; ENGINE; SYNGAS; OPTIMIZATION; SIMULATION; EMISSIONS;
D O I
10.3390/en16196911
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
In this paper, the performance of an innovative micro-combined cooling, heating, and power (CCHP) system, based on an internal combustion engine fueled with syngas from woody biomass, is analyzed. In particular, a numerical model, which considers a direct coupling between the internal combustion engine and the gasifier as a novel aspect, was developed, validated and applied to three different case studies to perform an energetic, economic and environmental analysis. For each considered case, the CCHP system was equipped with a reversible electric air-water pump and a back-up boiler. The energy analysis shows that the user characterized by a high uniformity of the thermal load exploits the CCHP system in the optimal way as it allows for the highest thermal self-consumption rate. On the contrary, for the cases in which the thermal request is not uniform, a high electric surplus is recorded. In this case, the adoption of the heat pump allows to compensate for this disadvantage by recovering the electric surplus, thus achieving a thermal integration and CO2 emissions reduction of about 15.8% with respect to the case in which no heat pump is used. Overall, the results demonstrate the affordability of the biomass-based CCHP system, which is of increasing importance in this period of contingent international political crisis.
引用
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页数:22
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