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    • 76. 发明授权
    • Process and apparatus for conditioning cryogenic fuel to establish a
selected equilibrium pressure
    • 调节低温燃料以建立选定的平衡压力的方法和装置
    • US5590535A
    • 1997-01-07
    • US557992
    • 1995-11-13
    • George D. Rhoades
    • George D. Rhoades
    • F17C9/02
    • F17C9/02F17C2221/012F17C2221/033F17C2223/0161F17C2223/033F17C2227/0306F17C2227/0339F17C2250/01F17C2250/0439F17C2250/0626F17C2250/0631F17C2265/065F17C2270/0168Y02E60/321
    • A method and apparatus for conditioning cryogenic fuel includes providing a primary storage tank for liquefied cryogenic fuel, a vapor storage tank communicating with the primary storage tank for storing vapor withdrawn from the primary storage tank at a higher pressure than the pressure in the primary storage tank, and a conditioning system wherein heat is transferred to the colder, lower equilibrium pressure liquefied cryogenic fuel withdrawn from the primary storage tank. The conditioning system includes a heat exchanger system for transferring heat to the liquefied cryogenic fuel from vapor withdrawn from the vapor storage tank. The vapor is cooled to near saturation temperature in the heat exchanger and is then sparged into liquefied cryogenic fuel flowing through a sparger or mixer chamber disposed downstream of the heat exchanger. A temperature sensor disposed in a conduit downstream of the sparger or mixer chamber measures the temperature (and thus the equilibrium pressure) of the warmed cryogenic fuel in the conduit. A temperature controller in communication with the temperature sensor regulates the flow rate of vapor from the vapor storage tank to the cryogenic fuel conditioning system in response to a signal from the temperature sensor.
    • 用于调节低温燃料的方法和装置包括提供用于液化的低温燃料的初级储存罐,与初级储罐连通的蒸汽储存罐,用于储存在比主储槽中的压力更高的压力下从主储罐抽出的蒸汽 以及调节系统,其中将热量转移到从主储罐中抽出的较冷的较低平衡压力的液化低温燃料。 调节系统包括一个热交换器系统,用于从蒸汽储存罐抽出的蒸汽将热量传递给液化的低温燃料。 蒸汽在热交换器中被冷却到接近饱和温度,然后被喷射到流过设置在热交换器下游的分布器或混合室的液化低温燃料中。 设置在分布器或混合室内的导管下游的温度传感器测量导管中温暖的低温燃料的温度(并因此测量平衡压力)。 与温度传感器连通的温度控制器响应于来自温度传感器的信号来调节从蒸汽储存罐到低温燃料调节系统的蒸汽的流速。