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低等级煤粉燃烧能源装置的成本与性能Cost and Performance for Low-Rank Pulverized Coal Oxycombustion Energy Plants 低等级煤粉燃烧能源装置的成本与性能Cost and Performance for Low-Rank Pulverized Coal Oxycombustion Energy Plants

低等级煤粉燃烧能源装置的成本与性能Cost and Performance for Low-Rank Pulverized Coal Oxycombustion Energy Plants

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  • 更新时间:2021-09-09
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随着未来二氧化碳(CO2)排放量越来越有可能受到 一些时髦的新工艺正在开发以从化石燃料发电厂的烟道气中捕获CO2。从传统方法中捕获CO2的市售方法 粉煤(PC)锅炉是利用胺基系统从锅炉中吸收二氧化碳。 烟道气流,及其随后的再生产生接近纯的产品流。安 另一种捕获CO2的方法是使用氧气而不是空气作为氧化剂。 燃烧过程,产生主要由CO2和H2O组成的烟气流。 除去水,可以产生几乎纯净的CO2流。这种方法,称为 含氧燃料或含氧燃烧,是本系统分析研究的主题。

As it becomes increasingly likely that future carbon dioxide (CO2) emissions will be regulated in some fashion, new processes are being developed to capture CO2 from the flue gas of fossil fuelfired power plants. The commercially available method for capturing CO2 from a conventional pulverized coal (PC)-fired boiler is the use of an amine-based system to absorb CO2 from the flue gas stream, and its subsequent regeneration to produce a nearly pure product stream. An alternative method to capture CO2 is to use oxygen rather than air as the oxidant in the combustion process, which yields a flue gas stream composed primarily of CO2 and H2O. By removing the water, a nearly pure CO2 stream can be produced. This approach, known as oxyfuel or oxycombustion, is the subject of this systems analysis study.

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