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    • 8. 发明授权
    • Steam generation apparatus and methods
    • 蒸汽发生装置和方法
    • US06955051B2
    • 2005-10-18
    • US10661389
    • 2003-09-11
    • Ovidiu MarinOlivier CharonErwin Penfornis
    • Ovidiu MarinOlivier CharonErwin Penfornis
    • F22B31/00F01K7/34
    • F22B31/00Y02E20/14
    • Steam generation apparatus and methods are presented that are dedicated to oxygen-enriched air combustion of a fuel, wherein the oxygen concentration of the oxygen-enriched air may range from just above 21 percent to 100 percent. One apparatus comprises an oxygen-enriched air preheater through which oxygen-enriched air flows and exchanges heat indirectly with flue gas, creating a preheated oxygen-enriched air stream. The apparatus further comprises a boiler having a radiant section and a convection section, and other heat transfer units adapted to handle reduced flue gas flow rate and higher temperature flue gases than comparable air/fuel combustion boilers, thus allowing a smaller heat transfer surface area, a more compact design and a higher efficiency.
    • 提出了专用于燃料的富氧空气燃烧的蒸汽发生装置和方法,其中富氧空气的氧浓度可以在刚好高于21%至100%的范围内。 一种装置包括富氧空气预热器,富氧空气通过该预热器流动并间接地与烟道气交换热量,产生预热的富氧空气流。 该装置还包括具有辐射部分和对流部分的锅炉,以及适于处理比可比较的空气/燃料燃烧锅炉减少的烟道气流量和较高温度烟道气的其它热传递单元,从而允许较小的传热表面积, 更紧凑的设计和更高的效率。