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    • 1. 发明授权
    • Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus
    • 开始和停止甲醇重整设备的方法和用于向所述设备供应燃料的设备
    • US6290877B2
    • 2001-09-18
    • US72580800
    • 2000-11-30
    • HONDA MOTOR CO LTDMITSUBISHI GAS CHEMICAL CO
    • NAKA TAKAHIROSUMI HIDEAKIFURUYAMA MASATAKAISOBE SHOJIHIRAMATSU YASUSHIYONEOKA MIKIO
    • B01B1/00C01B3/32H01M8/04H01M16/00C07C1/02C01B3/02C01B3/26C07C27/00
    • H01M16/006B01B1/005C01B3/323H01M8/04022H01M8/04223H01M8/0618H01M8/0668
    • The present invention presents: (1) a starting method that is capable of quickly switching to the reforming process after warming up a catalyst; (2) a fuel supplying apparatus that is capable of maintaining a stable supply of a mixed water-methanol solution while preventing water from freezing in a cold climate, and is also capable of immediately supplying a mixed water-methanol gas that has a composition which is outside of the high-rate reaction region during the starting/stopping operation of the reformer when the control tends to be unstable; (3) a method to quickly cool down a catalyst layer without causing thermal runaway when stopping the operation of the methanol reforming apparatus; and (4) a method to quickly cool down the catalyst layer while preventing thermal runaway from occurring and removing residual fuel when stopping the operation of the methanol reforming apparatus. In order to achieve the objects described above, the methanol reforming apparatus that generates a hydrogen-rich gas by reacting a mixed gas of water, methanol and air on a catalyst is supplied with the fuel from a fuel supplying apparatus comprising a mixed water-methanol solution tank wherein the molar ratio of water and methanol used for reforming is controlled to a predetermined value, a mixed water-methanol solution tank wherein the molar ratio of water and methanol is controlled to 4.6 or higher, and a switching means that switches the mixed water-methanol solution tank used as a fuel source according to the conditions of operation of the methanol reforming apparatus.
    • 本发明提供:(1)能够在预热催化剂后快速切换到重整过程的起动方法; (2)一种燃料供给装置,其能够在寒冷气候中防止水分冻结的同时保持混合水 - 甲醇溶液的稳定供给,并且还能够立即供给具有以下成分的混合水 - 甲醇气体: 当控制趋于不稳定时,在重整器的启动/停止运行期间在高速率反应区域之外; (3)停止甲醇重整装置的运转时快速冷却催化剂层而不引起热失控的方法; (4)在停止甲醇重整装置的运转时,能够快速冷却催化剂层,同时防止热失控而消除残留燃料的方法。 为了实现上述目的,通过使水,甲醇和空气的混合气体在催化剂上反应生成富氢气体的甲醇重整装置从包含混合水 - 甲醇的燃料供给装置供给燃料 溶液罐,其中用于重整的水和甲醇的摩尔比被控制到预定值;将水和甲醇的摩尔比控制在4.6或更高的混合水 - 甲醇溶液罐;以及切换装置, 水 - 甲醇溶液罐根据甲醇重整装置的操作条件用作燃料源。