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    • 7. 发明授权
    • Heavy oil hydrogasification process
    • 重油加氢气化工艺
    • US3891404A
    • 1975-06-24
    • US33954573
    • 1973-03-09
    • INST GAS TECHNOLOGY
    • WEIL SANFORD ATARMAN PAUL BPUNWANI DHARAMVIR
    • C10G47/28C10G13/16
    • C10G47/28C10G2400/26
    • A process for producing a high methane content, synthetic pipeline gas from heavy fuel oils including crude oil, Bunker ''''C'''' residual oil, shale oil, and solubilized coal. The process includes providing a hydrogasification reaction chamber having a hydrogen partial pressure of at least 100 psig and a temperature of 1200*-1500*F. Absorbent inert solids are recirculated from the bottom of the reaction chamber to the top thereof and the heavy fuel oil is introduced into the recirculating solids and both are fed to the top of the reaction chamber. The reaction chamber includes an oil preheat zone having a temperature up to 1000*F., a reaction zone at a temperature of 1200*-1500*F. and a hydrogen preheat zone, also having a temperature of 1200*-1500*F. The solids are moved through the chamber so that the oil is gradually heated to the reaction temperature over a period of at least ten minutes to inhibit the formation of a coke residue. A hydrogen rich gas, containing hydrogen in excess of stoichiometric amounts, is passed upwardly in the reaction chamber and countercurrent to the heavy oil and solids passing downwardly therethrough. A hydrogenation reaction is promoted in the reaction chamber between the oil and hydrogen to produce a mixture which includes volatilized liquids, methane and hydrogen. The mixture is separated into a hydrogasifiable liquid fraction, hydrogen, and the high methane content synthetic pipeline gas. The hydrogen and the hydrogasifiable liquid fraction are circulated back to the reaction chamber, the hydrogen being used as at least a portion of the hydrogen rich gas reacting in the chamber and the hydrogasifiable liquid enters into the hydrogenation reaction.
    • 用于生产高甲烷含量的方法,包括原油,Bunker“C”残油,页岩油和溶解煤等重质燃料油的合成管道气。 该方法包括提供具有至少100psig的氢分压和1200-1500°F的温度的加氢气化反应室。吸收性惰性固体从反应室的底部再循环到其顶部,重质燃料油 被引入再循环固体中,并且两者都被供给到反应室的顶部。 反应室包括温度高达1000°F的油预热区域,温度为1200°-15°F的反应区域和温度为1200°-1500°F的氢气预热区域。 将固体移动通过室,使得油在至少十分钟的时间内逐渐加热至反应温度以抑制焦炭残留物的形成。 含有超过化学计量量的氢的富氢气体在反应室中向上通过,并与通过其中的向下通过的重油和固体逆流。 在油和氢之间的反应室中促进氢化反应以产生包含挥发液体,甲烷和氢气的混合物。 将混合物分离成可加氢气化的液体馏分,氢气和高甲烷含量的合成管道气体。 氢气和可加氢气体的液体馏分循环回反应室,氢气用作在室中反应的富氢气体的至少一部分,并且可加氢气体的液体进入氢化反应。