OVERHAULED AND REGENERATED STEAM TURBINE: RECONDITIONIG PROCESS AND APPLICATION

IF 2.6 3区 工程技术 Q3 ENERGY & FUELS Journal of Energy Resources Technology-transactions of The Asme Pub Date : 2023-10-18 DOI:10.1115/1.4063840
Roberto Capata, Alfonso Calabria, Michele Reale
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Abstract

Abstract The present work aims to analyze the economic convenience of using a reconditioned steam turbine within a waste-to-energy plant for municipal solid waste. First, the methodology for the evaluation of the functional conditions of the disused steam turbine will be identified through a complete revision of the turbine itself, paying attention to components subject to greater wear. The considered steam turbine is a disused and malfunctioning machine considered “a disposal”. The analysis of all possible fault chains and the maintenance history of the steam turbine are aimed at defining the inspection methodology to be carried out on the various components. Through appropriate simulations (not included in this work) the actual possibility of using the reconditioned steam turbine within an existing plant used as a reference plant will be evaluated. The economic evaluations and the calculation of the return time, must provide for a comparison of the purchase costs of a revised steam turbine compared to a new one, considering the revenues related to the sale of the electricity produced, the thermal power generated, and the revenues related to waste treatment. In the present work the authors wanted to underline the importance of considering the waste-to-energy of municipal solid waste as an added value rather than as a mere cost aimed only at the inertization process. In addition, it can be underlined that the use of a reconditioned steam turbine also guarantees economic convenience since the payback time is equal to two years.
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大修和再生汽轮机:改造过程和应用
摘要:本研究旨在分析在城市生活垃圾焚烧发电厂使用修复后的汽轮机的经济便利性。首先,通过对汽轮机本身进行彻底的改造,确定评估废弃汽轮机功能状况的方法,关注磨损较大的部件。所考虑的汽轮机是一个废弃和故障的机器,被认为是“处置”。对汽轮机所有可能的故障链和维修历史的分析旨在确定对各个部件进行检查的方法。通过适当的模拟(不包括在本工作中),将评估在现有工厂中使用修复后的汽轮机作为参考工厂的实际可能性。经济评估和回收时间的计算,必须考虑到与销售产生的电力、产生的热电和与废物处理有关的收入有关的收入,提供与新汽轮机相比的改装汽轮机的购买成本的比较。在目前的工作中,作者想强调将城市固体废物的废物转化为能源的重要性,认为这是一种附加价值,而不仅仅是针对化过程的成本。此外,可以强调的是,使用修复后的汽轮机也保证了经济上的便利,因为投资回收期为两年。
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来源期刊
CiteScore
6.40
自引率
30.00%
发文量
213
审稿时长
4.5 months
期刊介绍: Specific areas of importance including, but not limited to: Fundamentals of thermodynamics such as energy, entropy and exergy, laws of thermodynamics; Thermoeconomics; Alternative and renewable energy sources; Internal combustion engines; (Geo) thermal energy storage and conversion systems; Fundamental combustion of fuels; Energy resource recovery from biomass and solid wastes; Carbon capture; Land and offshore wells drilling; Production and reservoir engineering;, Economics of energy resource exploitation
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