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    • 5. 发明授权
    • Inhibition of carbon deposition on fuel gas steam reformer walls
    • 抑制燃料气体蒸汽重整器壁上的碳沉积
    • US6120926A
    • 2000-09-19
    • US190856
    • 1998-11-10
    • Donald F. SzydlowskiRoger R. LesieurNed E. Cipollini
    • Donald F. SzydlowskiRoger R. LesieurNed E. Cipollini
    • B01J8/02B01J19/00C01B3/38H01M8/06H01M4/86
    • H01M8/0631B01J19/0026B01J8/02C01B3/38C01B3/382C01B3/386C01B2203/0233C01B2203/0261C01B2203/066C01B2203/16Y02P20/52
    • A fuel gas reformer assembly for use in a fuel cell power plant includes fuel gas passages, some of which contain a particulate alumina packing in which a vaporized steam-hydrocarbon fuel stream mixture is heated. The walls of the fuel gas passages are provided with an alumina coating which protects the walls of the passages from corrosion. The alumina coating of the walls, and alumina packing are both overlain by an alkaline earth metal oxide layer, such as a calcium oxide layer, that acts to limit carbon build-up on the surfaces of the coated passage walls. Limiting of carbon build-up in the reformer passages prevents premature clogging of the passages. The carbon build-up-limiting layer is formed on components of the reformer passages by applying a water-based slurry of alkaline earth metal compounds to the reformer passage surfaces, and then drying the slurry so as to solidify it. The formation of the desired crystalline phase of the coating occurs in situ on the coated passage surfaces during initial operation of the reformer. The coated packing material is operative to convert any free carbon remaining in the gas stream to carbon dioxide, or carbon monoxide, thereby further limiting carbon deposition in the assembly.
    • 用于燃料电池发电厂的燃料气体重整器组件包括燃料气体通道,其中一些气体通道包含其中蒸发的蒸汽 - 烃燃料流混合物被加热的颗粒氧化铝填料。 燃料气体通道的壁设置有氧化铝涂层,其保护通道的壁免受腐蚀。 壁的氧化铝涂层和氧化铝填料都被诸如氧化钙层的碱土金属氧化物层覆盖,其用于限制在涂覆的通道壁的表面上积聚碳。 在重整器通道中限制碳积累可以防止通道过早堵塞。 通过将碱土金属化合物的水性浆料施加到重整器通道表面上,在重整器通道的部件上形成碳积聚限制层,然后干燥该浆料以使其固化。 在重整器的初始操作期间,涂层的所需结晶相的形成在涂覆的通道表面上原位发生。 涂覆的包装材料可操作以将残留在气流中的任何游离碳转化为二氧化碳或一氧化碳,从而进一步限制组件中的碳沉积。
    • 6. 发明授权
    • Method and system for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant
    • 用于燃料电池发电厂的用于汽油或柴油的脱硫方法和系统
    • US06610265B2
    • 2003-08-26
    • US10042015
    • 2002-01-10
    • Donald F. SzydlowskiRoger R. LesieurRichard A. Sederquist
    • Donald F. SzydlowskiRoger R. LesieurRichard A. Sederquist
    • B01J1900
    • H01M8/0675B01D53/04B01D2253/102B01D2257/30C10G25/12H01M8/04223H01M8/0612H01M8/086H01M8/1007Y10S502/514Y10S502/517
    • A fuel processing system is operative to remove substantially all of the sulfur present in a logistic fuel stock supply. The fuel stock can be gasoline, diesel fuel, or other like fuels which contain relatively high levels of organic sulfur compounds such as mercaptans, sulfides, disulfides, and the like. The system is a part of a fuel cell power plant. The fuel stock supply is fed through a reformer where the fuel is converted to a hydrogen rich fuel which contains hydrogen sulfide. The hydrogen sulfide-containg reformer exhaust is passed through a sulfur scrubber, to which is added a small quantity of air, which scrubber removes substantially all of the sulfur in the exhaust stream by means of the Claus reaction. The desulfurizing step causes sulfur to deposit on the scrubber bed, which after a period of time, will prevent further sulfur from being removed from the reformer exhaust stream. The sulfur scrubber station is rejuvenated by passing a gas stream containing a relatively small amount (about 1% by volume) of carbon monoxide. The carbon monoxide is converted to carbonyl sulfide which is then burned in power plant burner so as to form sulfur dioxide in the power plant exhaust stream.
    • 燃料处理系统可操作以基本上除去物流燃料原料供应中存在的所有硫。 燃料原料可以是含有比较高含量的有机硫化合物如硫醇,硫化物,二硫化物等的汽油,柴油燃料或其他类似的燃料。 该系统是燃料电池发电厂的一部分。 燃料库存供应通过重整器进料,其中燃料转化为含有硫化氢的富氢燃料。 含硫化氢的重整器排气通过硫洗涤器,向其中加入少量空气,该洗涤器通过克劳斯反应基本上除去废气流中的所有硫。 脱硫步骤使硫沉积在洗涤床上,洗涤床在一段时间之后将防止进一步的硫从重整器废气流中移出。 通过使含有相对少量(约1体积%)的一氧化碳的气流通过硫洗涤塔来恢复。 将一氧化碳转化为硫化羰,然后在发电厂燃烧器中燃烧,从而在发电厂废气流中形成二氧化硫。