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8 条记录 (耗时 0.032 秒)

    Catalytic combustion process
    4.
    发明授权
    Catalytic combustion process 失效
    催化燃烧过程

    公开(公告)号：US5228847A

    公开(公告)日：1993-07-20

    申请号：US808803

    申请日：1991-12-18

    申请人： Warwick J. Lywood ,  Martin Fowles ,  David G. Shipley

    发明人： Warwick J. Lywood ,  Martin Fowles ,  David G. Shipley

    IPC分类号： F23C13/00 ,  F23R3/40

    CPC分类号： F23C13/00 ,  F23R3/40

    摘要： A combustion process, e.g. for a gas turbine, comprises catalytically combusting part of a fuel/air feed in a preliminary catalyst body which has through passages and supports, or is composed of, a catalyst active for the combustion of the fuel. The resultant heated gas stream is then mixed with the remainder of the feed, and that mixture is combusted, e.g. catalytically in a main catalyst body. The amount of combustion occurring in the preliminary catalyst body is sufficient that combustion of the mixture of the heated gas stream and the remainder of the feed can be sustained at the desired operating conditions. Under those desired operating conditions combustion of the feed could not be sustained in the absence of the heating given by the combustion in the preliminary catalyst body. There may be more than one preliminary catalyst body. The preliminary catalyst body or bodies may also be provided with passages wherein combustion does not take place under the desired operating conditions so that those passages act as a bypass. Preferably the combustion passages of at least the first preliminary catalyst body are of such size, that at the normal operating conditions, the flow therethrough is laminar, whereas the flow through the passages of the main catalyst body, where employed, is turbulent.

    Steam reforming
    6.
    发明授权
    Steam reforming 失效
    蒸汽重整

    公开(公告)号：US5300275A

    公开(公告)日：1994-04-05

    申请号：US928628

    申请日：1992-08-12

    申请人： Warwick J. Lywood

    发明人： Warwick J. Lywood

    IPC分类号： C01B3/34 ,  C01B3/38 ,  C10G11/22 ,  F28D21/00 ,  C01B3/12

    CPC分类号： C01B3/382 ,  C01B2203/141 ,  C01B2203/142

    摘要： A process for the production of a hydrogen containing gas stream comprises partially reforming a feed stream containing hydrocarbon feedstock to be reformed together with a steam and/or carbon dioxide as reforming gas by passage of said feed stream over a steam reforming catalyst disposed in heated auxiliary tubes, thereby forming a partially reformed gas stream; subjecting the partially reformed gas stream, optionally together with a further quantity of said feedstock and/or reforming gas, to further reforming by passage over a steam reforming catalyst disposed in furnace reformer tubes heated by combustion of a fuel, thereby forming a reformed product gas stream; and passing the reformed product gas stream past the exterior of the auxiliary tubes, thereby supplying heat to said auxiliary tubes and cooling the reformed product gas stream.

    摘要翻译： 一种生产含氢气流的方法包括通过将所述进料流通过设置在加热助剂中的蒸汽重整催化剂，将含有烃原料的进料流部分重整以与作为重整气体的蒸汽和/或二氧化碳一起重整 管，从而形成部分重整气流; 将部分重整的气流，任选地与另外数量的所述原料和/或重整气体一起经过设置在由燃料燃烧加热的炉重整器管中的蒸汽重整催化剂进一步重整，从而形成重整产物气体 流; 并使重整产物气流通过辅助管的外部，从而向所述辅助管提供热量并冷却重整产物气流。

    Methanol
    8.
    发明授权
    Methanol 失效
    甲醇

    公开(公告)号：US4910228A

    公开(公告)日：1990-03-20

    申请号：US307907

    申请日：1989-02-09

    申请人： Warwick J. Lywood

    发明人： Warwick J. Lywood

    IPC分类号： C01B3/38 ,  C07B61/00 ,  C07C29/151 ,  C07C29/152 ,  C07C29/78 ,  C07C31/04

    CPC分类号： C07C29/1518 ,  Y02P20/131

    摘要： A single pressure process for the production of methanol wherein the make-gas is produced by steam reforming a hydrocarbon feedstock, in admixture with recycled purge gas from the synthesis loop, at such a pressure that the make-gas can be fed without further compression, to the synthesis loop at a pressure no lower than the pressure at the inlet to said circulator. The reforming is effected by primary steam reforming followed by partial oxidation with oxygen and secondary reforming, without any bypass of the feedstock of the primary reforming stage, so as to give a make-gas of approximately stoichiometric composition for methanol synthesis. The primary reforming is effected at above 55 bar abs. over a catalyst disposed in tubes heated by passing the secondary reformed gas stream past the external surfaces of the reformer tubes in a direction counter-current to the flow of reactants undergoing primary reforming in said reformer tubes. In this way heat is transferred from said secondary reformed gas stream through the walls of said tubes to supply the endothermic heat of the steam reforming reaction.In preferred forms of the process the steam is incorporated into the feed to the reformer by saturation and the excess of steam is removed from the reformed gas by direct contact with cold water: in this way a high pressure steam system recovering power from the reformed gas is not needed.