以生物质气化为前提条件，结合某用能建筑的冷热电负荷，以内燃机和排烟再燃型溴化锂吸收式冷温水机组组成的冷热电联供系统为分析对象，对用能建筑的联供系统进行了能量分析，得出了一次能源利用率、一次能源节约率、效率和经济成本。生物质气化冷热电联供系统可实现生物质能源的梯级利用，为生物质能源的综合利用提供了一定的参考。%In the paper,biomass gasification was taken as the basic conditions,and cooling heating and power load of a building. Energy analysis of combined cooling heating and power(CCHP)system were done according to internal-combustion engine and exhaust and direct-fired LiBr refrigeration unit. And primary energy efficiency ,primary energy saving,exergy efficiency and exergy cost were gotten. It can realize that cascade utilization of biomass energy by biomass gasification CCHP system. Some references may be provided for high efficiency and comprehensive utilization of biomass energy.
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