【摘要】 为解决生物质能源转化效率较低的问题，提出了一种基于气化与热解耦合的新型生物质氢电联产系统。在新系统中，生物质气化与热解产生的合成气驱动燃气轮机发电，再利用燃气轮机的余热将给水加热为高温蒸汽，驱动蒸汽循环中高压与低压汽轮机进行发电。采用热力学仿真软件Aspen Plus对系统进行模拟，并对仿真结果进行热力学分析、经济性分析、敏感性分析和环境分析。结果表明：系统的净功率为8 061.07 kW,发电效率为49.27%,总(火用)效率达到45.98%;系统的投资回收期为4.80 a,净现值预计达63 055.59万元。更多还原

【Abstract】 A new biomass hydrogen-power cogeneration system based on the coupling of gasification and pyrolysis was proposed to address the issue of low conversion efficiency of biomass energy. In this system, the syngas produced by biomass gasification and pyrolysis drives a gas turbine to generate electricity, and then the waste heat in exhaust gas of the gas turbine was used to heat feed water into high-temperature steam, which drives the high-pressure and low-pressure steam turbines to generate electricity. The system was simulated using the thermodynamic simulation software Aspen Plus, and the simulation results were subjected to thermodynamic analysis, economic analysis, sensitivity analysis, and environmental analysis. Results show that the net power of the system is 8 061.07 kW, the thermal efficiency is 49.27% and the total exergy efficiency reaches 45.98%. The payback period of the system is 4.80 years and the net present value is estimated to be 630.555 9 million yuan.更多还原