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首页> 外文会议>ASME turbo expo >SHELL GASIFIER-BASED COAL IGCC WITH CO_2 CAPTURE:PARTIAL WATER QUENCH VS. NOVEL WATER-GAS SHIFT
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SHELL GASIFIER-BASED COAL IGCC WITH CO_2 CAPTURE:PARTIAL WATER QUENCH VS. NOVEL WATER-GAS SHIFT

机译：基于壳气的CO_2捕集的煤IGCC：部分水淬VS。新型水煤气转换

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摘要

We provide a detailed thermodynamic and economic analysis of two novel alternatives to the "standard" Shell coal IGCC with CO_2 capture. In the first, the syngas coolers are replaced by a "partial water quench" where the raw syngas stream is cooled and humidified via direct injection of hot water. This design is less costly, but also less efficient. The second approach retains syngas coolers but instead employs a novel WGS configuration, developed at the Energy Research Centre of the Netherlands (ECN), that requires substantially less steam to obtain the same degree of CO conversion to CO_2, and thus increases the overall plant efficiency. We investigate how both of these innovations alter the plant's cost and complexity, and ultimately, the levelized cost of electricity.
机译：我们提供了两种新的替代方法的详细热力学和经济性分析，这些替代方法是带有CO_2捕集的“标准”壳牌煤IGCC的。首先，将合成气冷却器替换为“部分水淬”，其中通过直接注入热水冷却和加湿粗合成气。这种设计成本较低，但效率较低。第二种方法保留了合成气冷却器，但采用了由荷兰能源研究中心（ECN）开发的新型WGS配置，该配置所需的蒸汽要少得多，才能获得相同程度的CO转化为CO_2，从而提高了整个工厂的效率。我们研究了这两种创新如何改变电厂的成本和复杂性，并最终改变了平准化的电力成本。

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