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首页> 外文期刊>International journal of productivity and quality management >Technical and economic analysis of different cogeneration systems for energy production from biomass
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Technical and economic analysis of different cogeneration systems for energy production from biomass

机译：利用生物质发电的不同热电联产系统的技术和经济分析

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This paper compares the results of a techno-economic performance analysis of seven plants for energy production from biomass with the aim of identifying the most effective solution. Small (≤250 KW_e) and micro (≤100 KW_e) size plants were investigated: 50 kW_e diesel internal combustion engine coupled with a gasifier and 35 kW_e Stirling engine coupled with a gasifier with an overall efficiency of 41.1% and 87.5% respectively, two biomass cogenerators, one of 25 kW_e and the other of 100 kW_e, 250 kW_e Otto internal combustion engine coupled with a gasifier and 250 kW_e diesel internal combustion engine coupled with a gasifier and 238 kW_e biomass ORC plant. The technical analysis provided calculations for specific biomass consumption, electricity generation, heat produced and overall system efficiency. The economic evaluation was carried on through a discounted cash flow analysis. Data were provided by literature, analysis of case study at Italian and European level, and directly by the manufacturers of cogeneration systems. The results showed that a combined heat and power (CHP) generator is the best solution because it is economically viable with a high NPV and a PBP of five years and also technically performing with a global efficiency of 78.2% and a low biomass consumption.
机译：本文比较了七家利用生物质生产能源的工厂的技术经济绩效分析结果，旨在确定最有效的解决方案。对小型（≤250KW_e）和小型（≤100KW_e）的工厂进行了研究：总效率分别为41.1％和87.5％的50 kW_e柴油内燃气化器和气化炉以及35 kW_e斯特灵发动机与气化器相结合，两个生物质热电联产器，其中之一为25 kW_e，另一为100 kW_e，250 kW_e奥托内燃发动机与气化炉相连，以及250 kW_e柴油内燃发动机与气化炉和238 kW_e生物质ORC装置。技术分析为特定的生物质消耗，发电，产生的热量和整体系统效率提供了计算。通过现金流量折现法进行经济评估。数据由文献提供，在意大利和欧洲进行案例分析，直接由热电联产系统的制造商提供。结果表明，热电联产（CHP）发电机是最佳解决方案，因为它在经济上具有很高的净现值和5年的PBP，并且在技术上具有78.2％的全球效率和低的生物质能消耗。

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