共查询到18条相似文献,搜索用时 203 毫秒
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IGCC系统控制CO_2排放的研究进展 总被引:1,自引:1,他引:0
整体煤气化联合循环(IGCC)作为一种被验证的具有发展前景的洁净煤发电技术,如何实现IGCC中CO2的零排放,已经成为国内外学者研究的热点。概述了目前国内外控制IGCC系统中CO2排放的研究进展,归纳总结了IGCC系统中CO2分离和回收的四类途径:燃烧后分离与回收、燃烧前对燃料气进行处理与分离、以IGCC为基础的煤基动力化工多联产系统以及燃烧与CO2分离一体化途径。并引入控制CO2排放科技创新一体化理论,指出未来控制CO2排放的方向。 相似文献
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本介绍了国外4套250MW级IGCC示范电站的进展,系统特点和运行现状,并进行了一些对比分析。从而总结了近期IGCC工程发展方向。 相似文献
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从欧美两个气化会议看IGCC的新进展 总被引:2,自引:1,他引:1
介绍了IGCC已建项目的调试运行的经验教训,在建项目的进展情况,拟建项目的新技术新工艺,以及IGCC由煤的应用由其它燃料如生物质、垃圾、炼油厂的重质残油和沥青的应用转移。 相似文献
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IGCC中蒸汽系统集成技术与设计原则 总被引:2,自引:2,他引:0
文章概述本研究集体相关的研究成果,包括ICGG蒸汽系统的集成技术与热力特性,提高IGCC中蒸汽系统性能的途径以及IGCC蒸汽系统设计的一般性原则与实例分析,这些工作将有助于更全面,准确地理解IGCC中蒸汽系统,并为其理论建模,定量分析及设计优化提供支持。 相似文献
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Recovery of CO2 with monoethanolamine (MEA) and hot potassium carbonate (K2CO3) absorption processes in an integrated gasification combined cycle (IGCC) power plant was studied for the purpose of development of greenhouse gas control technology. Based on energy and exergy analysis of the two systems, improvement options were provided to further reduce energy penalty for the CO2 separation in the IGCC system. In the improvement options, the energy consumption for CO2 separation is reduced by about 32%. As a result, the thermal efficiency of IGCC system is increased by 2.15 percentage‐point for the IGCC system with MEA absorption, and by 1.56 percentage‐point for the IGCC system with K2CO3 absorption. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
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《全球能源互联网(英文)》2019,2(5):402-412
In recent years, primary energy consumption in China’s urban areas has increased rapidly, facing the problems of extensive use of energy, high energy consumption and insufficient intensified use of energy resources. Improving multienergy supply, increasing the proportion of clean energy and integrated energy efficiency are the main goals of urban development. The integrated energy system with multi-functional synergy and open trading will become one of the new directions for the development of new urban energy systems. This paper summarizes the main problems faced by the current towns and the characteristics of the new urban energy system, analyzes the development of new urban energy system from three aspects including energy interconnection hub infrastructure construction, energy management platform construction and energy value sharing, and forecasts the future development direction of new urban energy systems. 相似文献
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In this paper, different zero CO2 emission integrated gasification combined cycle (IGCC) systems based on the oxy‐fuel combustion method by integrating with oxygen ion transfer membrane (OTM) with and without sweep gas are proposed in order to reduce the energy consumption of CO2 capture. By utilizing the Aspen Plus software, the overall system models are established. The performances of the proposed systems are compared with the traditional IGCC system without CO2 capture and the zero CO2 emission IGCC system based on the oxy‐fuel combustion method using the cryogenic air separation unit. In addition, the effects of OTM key parameters on the proposed system performance, such as the feed side pressure, permeate side pressure, and operating temperature, are investigated and analyzed. The results show that the efficiency of the zero CO2 emission IGCC system based on the oxy‐fuel combustion method integrated with OTM without sweep gas is 6.67% lower than that of the traditional IGCC system without CO2 capture, but 1.88% higher than that of the zero CO2 emission IGCC system using the cryogenic air separation unit, and 0.64% lower than that of the proposed system with sweep gas. The research achievements will provide valuable references for further study on CO2 capture based on IGCC with lower energy penalty. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献