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首页> 外文会议>Energy Technologies Symposium >Feasibility of a District Heating System in Fjardabyggd Using Waste Heat from Alcoa Fjardaal
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Feasibility of a District Heating System in Fjardabyggd Using Waste Heat from Alcoa Fjardaal

机译：使用垃圾释放的FjardabyGGD中的地区供热系统的可行性

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摘要

The Alcoa Fjaroaal smelter in Iceland consumes 4600 GWh annually to produce aluminum. About 50% of the total energy absorbed by the cells is reduced to waste heat of which roughly 40% is currently lost through exhaust gases. The exhaust gases leave the cells at about 110°C before entering the gas treatment center (GTC). The feasibility of operating heat exchangers upstream of GTCs has been demonstrated at other smelters. Reyoarfjordur, which is 5.5 km from Fjaroaal currently uses electricity for domestic heating, like other surrounding communities. Previous research has shown that the waste heat from Fjaroaal is more than enough to supply space heating for the local community. This paper will address the technical challenges and suggest solutions to deliver heat in a closed-loop heating circuit from the Fjaroaal plant to Reydarfjordur and estimate the total investment cost for the heat regeneration system.
机译：冰岛的铝业公司每年消耗4600 GWH生产铝。细胞吸收的总能量的大约50％的总能量降低到浪费，其中大约40％目前通过废气丢失。在进入气体处理中心（GTC）之前，废气将细胞在约110℃下离开。在其他冶炼厂中已经证明了GTCS上游操作热交换器的可行性。 Reyoarfjordur距离Fjaroaal 5.5公里目前使用电力用于国内供暖，如其他周围的社区。以前的研究表明，来自Fjaroaal的废热量足以供应当地社区的空间加热。本文将解决技术挑战，并提出从Fjaroaal工厂到Reydarfjordur的闭环加热回路中提供热量的解决方案，并估算了热再生系统的总投资成本。

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