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VARIOUS FUEL GAS CAPABILITY IN MHI GAS TURBINE

机译：MHI燃气轮机的各种燃油能力

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Natural gas has been used as the main fuel for heavy-duty type gas turbines for powerrngeneration because of its relatively low cost, high availability, and low resulting emissions.rnRecently, however, the cost of natural gas has exhibited an increasing trend and its futurernavailability is not clear, indicating an opportunity to use alternative fuels. As a result, gasrnturbines should be capable of burning a variety of gas fuels, including, low heating value gasrn(e.g., synthetic gas and steel mill gas), by-petroleum product gas (e.g., H_2 rich gas and B-Brngas), landfill gas, and others. Compared with natural gas, these fuels vary in hydrocarbonrncomposition, physical properties, impurities and other ways. In order to use alternative fuelrngases in gas turbines, advanced technology modifications to the combustor and combustionrnsystem are necessary.rnIn the case of natural gas firing, the application of Dry Low NO_x (DLN) advancedrncombustors is the worldwide industry standard for power plants. However, the composition ofrnnatural gas must be carefully checked for DLN combustors, because of their limited operatingrnrange.rnThis paper describes the influence of various gas fuels to the gas turbine and its design.
机译：天然气由于其相对较低的成本，较高的可用性和较低的排放而被用作重型燃气轮机的主要燃料，但是最近天然气的价格却呈现出上升的趋势并且其未来的可用性目前尚不清楚，这表明有使用替代燃料的机会。因此，燃气轮机应能够燃烧多种气体燃料，包括低热值燃气（例如合成气和炼钢厂气体），副产品石油气（例如富含H_2的气体和B-Brngas），垃圾填埋气等。与天然气相比，这些燃料在碳氢化合物组成，物理性质，杂质和其他方面存在差异。为了在燃气轮机中使用替代燃料，必须对燃烧器和燃烧系统进行先进的技术改造。对于天然气燃烧，干式低NO_x（DLN）先进燃烧器的应用是发电厂的全球行业标准。但是，由于DLN燃烧器的工作范围有限，必须仔细检查天然气的成分。本文描述了各种气体燃料对燃气轮机的影响及其设计。

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