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Concept for a competitive coal fired integrated gasification combined cycle power plant

机译：具有竞争力的燃煤综合气化联合循环电厂的概念

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The design efficiency for a state-of the-art supercritical coal fired pulverised fuel (p.f.) power plant (e.g. Nordjyllandsvaerket) is quoted at 47/100, compared to 43/100 for the most advanced existing coal-based integrated gasification combined cycle (IGCC) plants (e.g. Buggenum and Puertollano). Of course, power plant design engineers have the experience of thousands of p.f. plants to guide them, compared with a mere handful of IGCC plants. There are also climatic and feedstock reasons why the above comparison is not a fair one. However, there is no doubt that for the environmentally friendly IGCC plants to penetrate the coal based power generation market it is necessary to demonstrate improved efficiency, reduced costs and increased availability. A number of techno-economic studies have been undertaken to see what is possible for IGCC, starting from the situation at Puertollano in Spain. These studies firstly remove the differences caused by the feedstock and the climatic conditions and then go on to look at an advanced IGCC concept that has been developed based on materials, components and processes that are available now. With the advanced IGCC concept it has been shown that the efficiency can be improved to over 50/100, with an investment of less than l000/kWe. Future development work on IGCC would be more profitably directed towards reducing capital costs and improving occupancy rather than efficiency improvements.
机译：先进的超临界燃煤粉煤（pf）电厂（例如Nordjyllandsvaerket）的设计效率为47/100，而现有的最先进的煤基整体气化联合循环的设计效率为43/100（ IGCC）植物（例如Buggenum和Puertollano）。当然，电厂设计工程师具有数千p.f.与仅有的IGCC工厂相比，这些工厂可以指导它们。也有气候和原料原因，上述比较不合理。但是，毫无疑问，要使环保型IGCC电厂渗透到煤炭发电市场，就必须证明其效率提高，成本降低和可用性提高。从西班牙Puertollano的情况开始，已经进行了许多技术经济研究，以了解IGCC的可能性。这些研究首先消除了由原料和气候条件引起的差异，然后继续研究了基于现有材料，组件和工艺开发的先进IGCC概念。通过先进的IGCC概念，已证明可以以不到1000 / kWe的投资将效率提高到50/100以上。 IGCC的未来开发工作将更有利于减少资本成本和提高占用率，而不是提高效率。

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