Delayed coking process for producing free-flowing coke using an overbased metal detergent additive
    4.
    发明申请
    Delayed coking process for producing free-flowing coke using an overbased metal detergent additive 审中-公开
    使用高碱性金属洗涤剂添加剂生产自由流动焦炭的延迟焦化工艺

    公开(公告)号:US20050279673A1

    公开(公告)日:2005-12-22

    申请号:US11127823

    申请日:2005-05-12

    IPC分类号: C10B55/00 C10B57/06 C10G9/14

    摘要: A delayed coking process for making substantially free-flowing coke, preferably shot coke. A coker feedstock, such as a vacuum residuum, is heated in a heating zone to coking temperatures then conducted to a coking zone wherein volatiles are collected overhead and coke is formed. An overbased alkaline earth metal detergent additive is added to the feedstock prior to it being heated in the heating zone, prior to its being conducted to the coking zone, or both.

    摘要翻译: 一种延迟焦化工艺,用于制造基本上自由流动的焦炭,优选喷射焦炭。 焦化原料如真空残渣在加热区被加热至焦化温度,然后进入焦化区,其中挥发物在塔顶馏出并形成焦炭。 将高碱性碱土金属洗涤剂添加剂在其被加热到加热区之前,在其被引导到焦化区之前或两者的同时,被加入到原料中。

    Production of substantially free-flowing coke from a deeper cut of vacuum resid in delayed coking
    6.
    发明申请
    Production of substantially free-flowing coke from a deeper cut of vacuum resid in delayed coking 审中-公开
    生产基本上自由流动的焦炭来自较深的真空停留在延迟焦化中

    公开(公告)号:US20060006101A1

    公开(公告)日:2006-01-12

    申请号:US11127730

    申请日:2005-05-12

    IPC分类号: C10G9/14

    CPC分类号: C10B55/00 C10B57/045

    摘要: A modified vacuum distillation and delayed coking process for making substantially free-flowing coke, preferably free-flowing shot coke. A vacuum resid feedstock is used which contains less than about 10 wt. % material boiling between 900° F. and 1040° F. as determined by HTSD (High-temperature Simulated Distillation). The use of such a high boiling resid favors the formation of shot coke instead of sponge or transition coke. The distillate recycle reduces coker furnace fouling potential of the heavier feedstock.

    摘要翻译: 改进的真空蒸馏和延迟焦化方法,用于制造基本上自由流动的焦炭,优选自由流动的焦炭焦炭。 使用含有小于约10重量%的真空渣油原料。 通过HTSD(高温模拟蒸馏)测定,沸点在900°F和1040°F之间的%材料。 使用这种高沸点残留物有利于形成喷丸而不是海绵或过渡焦炭。 馏出物再循环减少了较重原料的焦化炉污染势。