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Thermo-Economic Assessment of a olive pomace Gasifier for Cogeneration Applications

机译：热经济评估橄榄焊接气化器用于热电联产应用

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A thermo-economic analysis of a combined heat and power (CHP) plant fed by syngas produced through the gasification of dry olive pomace is presented. The plant is composed by a 800 kWt downdraft gasifier, a gas clean-up system, a 200 kWe microturbine (MGT) and a heat recovery system to cogenerate hot water. Surplus heat is used to dry olive pomace from 50% to 17% wb moisture content. The plant is modeled in ASPEN Plus. Real data from experimental tests are used to calibrate the gasifier model, while the technical specification and performance of the CHP plant are collected from commercial plants in operation and data from manufacturers. Mass and energy balances are reported throughout the paper. The thermodynamic simulation of the biomass gasifier coupled to the MGT, the thermal and electrical conversion efficiency and temperature of cogenerated heat available are also presented. A thermo-economic assessment is then proposed, to investigate the economic profitability of this small scale CHP plant in the Italian energy policy scenario and considering the subsidies available for renewable electricity in the form of feed-in tariffs. For this purpose, the case study of base load CHP plant operation and heat supplied to different typologies of energy end user is assumed. The results allow quantifying the most influencing economic and technical factors that affect the performance and profitability of such investment and the bottlenecks that should be faced to facilitate a broader implementation of such CHP schemes for on site generation.
机译：提出了通过干燥橄榄渣的气化产生的合成气组合热和功率（CHP）植物的热经济分析。该工厂由800 kWt下降气化器，气体清理系统，200kWe微型曲线（MgT）和热回收系统的储层加热器组成。剩余的热量用于干燥橄榄渣从50％至17％的WB水分含量。该植物在Aspen Plus中建模。实验测试的真实数据用于校准气化器模型，而CHP工厂的技术规范和性能是从商业设备的运行和数据的运行和数据中收集。在本文中报告了质量和能量余额。还介绍了耦合到MGT的生物质气化器的热力学模拟，还呈现了热和电转换效率和兴奋热的温度。然后提出了一种热经济评估，调查意大利能源政策情景中该小规模CHP工厂的经济盈利能力，并考虑以饲料关税形式可再生电力的补贴。为此目的，假设对基础负载CHP工厂操作和供应到不同类型的能量最终用户的热量的案例研究。结果允许量化影响此类投资的性能和盈利能力的最大影响和盈利能力，以及应面临的瓶颈，以促进在现场一代的此类CHP计划的更广泛实施。

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