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Combined cycle plants with complete capturing of carbon dioxide for clean power projects
Thermophysics and Aeromechanics ( IF 0.5 ) Pub Date : 2021-02-20 , DOI: 10.1134/s0869864320050121
V. V. Datsenko , Yu. A. Zeigarnik , E. O. Kalashnikova , A. A. Kosoy , A. S. Kosoy , M. V. Sinkevich

The energy security of Russia is at threat due to recent trends of dependency of national power industry on imported technologies, equipment, spare parts, and materials. The next challenge is a tendency of more strict environmental standards and restrictions for power generation equipment. The paper considers one option to meet these challenges — using technologies based on compressorless combined cycle plant with complete capturing of CO2 in liquid state (developed by JIHT in cooperation with NPO Almaz). This technology offers efficient production of heat and power from hydrocarbon fuel with a minimal environmental impact. This plant can be incorporated into a power-engineering complex with chemical products outcome. According to the developed scheme, the hydrocarbon fuel is burnt in a mixture of oxygen, provided by an air-separation setup (or another source), steam, and carbon dioxide. The components are compressed in the liquid phase. The heat from exhaust gas is recuperated in a developed heat recovery system. The steam condensation takes place, and the heat of condensation is utilized for district water heating in water utility grids and for capturing of CO2 in liquid phase. Through varying of proportions between H2O and CO2 inputs, the proportions in generation of electric power and heat can be varied in a wide range. Our estimates demonstrate that this new plant has a thermal efficiency higher than for the best CCGT plants and close to the efficiency for the best worldwide analogs.



中文翻译:

联合循环电厂,可完全捕集二氧化碳,用于清洁能源项目

由于国家电力行业对进口技术,设备,零件和材料的依赖的最新趋势,俄罗斯的能源安全受到威胁。下一个挑战是越来越严格的环境标准和对发电设备的限制的趋势。本文认为,应对这些挑战的一种选择是-使用基于无压缩机联合循环设备并完全捕获CO 2的技术液态(JIHT与NPO Almaz合作开发)。该技术可有效地利用碳氢燃料生产热量和电力,而对环境的影响最小。该工厂可以合并到具有化学产品成果的动力工程综合体中。根据开发的方案,碳氢化合物燃料在由空气分离装置(或其他来源)提供的氧气,蒸汽和二氧化碳的混合物中燃烧。组分在液相中被压缩。废气中的热量在发达的热回收系统中回收。发生蒸汽冷凝,冷凝热被用于自来水管道中的区域水加热和液相中的CO 2捕集。通过改变H 2之间的比例通过O和CO 2输入,可以在大范围内改变发电和热发电的比例。我们的估计表明,这家新工厂的热效率高于最佳CCGT工厂,并且接近全球最佳同类产品的热效率。

更新日期:2021-02-21
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