Design of a high-temperature heat to power conversion facility for testing supercritical CO2 equipment and packaged power units

Energy Procedia Pub Date : 2019-03-01 DOI:10.1016/j.egypro.2019.02.109

Giuseppe Bianchi , Samira S. Saravi , Romain Loeb , Konstantinos M. Tsamos , Matteo Marchionni , Arthur Leroux , Savvas A. Tassou

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引用次数: 22

Abstract

This paper addresses the need of bridging between fundamental energy research and industrial exploitation of technologies by presenting a state of the art experimental facility to investigate pilot heat exchangers and plants dealing with high temperature waste heat recovery and conversion. The facility comprises a 830 kW process air heater with an exhaust mass flow rate of 1.0 kg/s at 70 mbar_g and maximum temperature of 780 °C. The heater has a 2.0 m long test section for the installation and characterization of waste heat recovery heat exchangers. The heat sink is a 500 kW water dry cooler with full control of flow rate and temperature of the cooling stream. The high-temperature heat to power conversion facility hosts a 50 kWe power conversion unit based on the simple recuperated Joule-Brayton cycle with supercritical CO₂ (sCO₂) as working fluid. The packaged, plug and play sCO₂ system utilizes a single-shaft Compressor-Generator-Turbine unit. The paper discusses the main design features of the test facility as well as operation and safety considerations.

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设计用于测试超临界CO2设备和成套动力装置的高温热电转换装置

本文通过介绍一个最先进的实验设施来研究中试热交换器和处理高温余热回收和转化的工厂，解决了基础能源研究与工业技术开发之间的桥梁需求。该设施包括一个830千瓦的过程空气加热器，排气质量流量为1.0 kg/s, 70 mbarg，最高温度为780°C。加热器有一个2.0 m长的试验段，用于余热回收换热器的安装和表征。散热器是一个500kw的水干式冷却器，完全控制流量和冷却流的温度。高温热电转换设施拥有一个50kwe的功率转换装置，该装置基于简单的焦耳-布雷顿循环，以超临界二氧化碳(sCO2)作为工作流体。封装的即插即用sCO2系统采用单轴压缩机-发电机-涡轮机组。本文论述了试验装置的主要设计特点以及运行和安全注意事项。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Energy Procedia

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