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首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >SOFC AND GAS TURBINE POWER SYSTEMS - EVALUATION OF CONFIGURATIONS FOR CO_2 CAPTURE
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SOFC AND GAS TURBINE POWER SYSTEMS - EVALUATION OF CONFIGURATIONS FOR CO_2 CAPTURE

机译：SOFC和燃气轮机动力系统 - CO_2捕获的配置评估

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Pressurized solid oxide fuel cells (SOFC) integrated in a gas turbine cycle is a promising power generation concept. The benefit of such combined systems is the potential for high electrical efficiency at small scale. By including an afterburner for the fuel cell, the remaining fuel in the anode exit gas is fully converted to water and CO_2 while the anode and cathode streams from the fuel cell are kept separated. This enables the CO_2 capture from an exhaust stream consisting of only CO_2 and water. In this paper, three afterburner technologies based on different membrane conductors have been evaluated from the perspective of thermodynamic cycle analysis and materials technology. The total SOFC and gas turbine system with the different afterburners has been modeled in a general purpose flow sheet simulator, and mass and energy balances have been calculated. The electrical efficiency has been determined and compared for each of the three afterburners. The potential of the three technologies for future use as afterburners is evaluated. Using a SOFC as afterburner provides the highest efficiency, but also requires a large surface area to oxidize the remaining fuel.
机译：集成在燃气轮机循环中的加压固体氧化物燃料电池（SOFC）是一个有前途的发电概念。这种组合系统的好处是小规模高电效率的潜力。通过包括用于燃料电池的后燃器，阳极出口气体中的剩余燃料完全转换为水和CO_2，而来自燃料电池的阳极和阴极流保持分离。这使得CO_2能够从仅由CO_2和水组成的排气流捕获。本文从热力学循环分析和材料技术的角度评估了基于不同膜导体的三种后燃科技。具有不同后燃器的总SOFC和燃气轮机系统已经在通用流程图模拟器中进行了建模，并且已经计算了质量和能量余额。已经确定了电效率并比较了三个后台的每一个。评估了作为未来使用作为后台的三种技术的潜力。使用SOFC作为后台燃烧器提供了最高效率，也需要大的表面积来氧化剩余的燃料。

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