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    • 25. 发明申请
    • Concrete mixing drum cleanout apparatus and method
    • 混凝土搅拌筒清洗装置及方法
    • US20070086270A1
    • 2007-04-19
    • US11252144
    • 2005-10-17
    • Thomas HarrisAaron Meyer
    • Thomas HarrisAaron Meyer
    • B28C5/42
    • B28C5/4203B08B9/08B08B9/0813
    • An integrally mounted apparatus for washing out vehicle-mounted concrete mixing drums is disclosed. The washout apparatus includes an open-ended elongate, relatively rigid shaped hollow guide tube mounted in fixed relation to the support structure support of an inclined mixing drum and extending in fixed relation to the open end of the drum between the fins and charge hopper. A flexible hollow hose is threaded through the guide tube. The hose has a receiving end connected with a source of cleaning fluid under pressure and a discharge end which protrudes from the end of the guide tube as it ends inside the open end of the mixing drum. A forward hose stop is provided for preventing the hose from slipping back down through the guide tube and a rear hose stop is provided for limiting the travel of the discharge end of the hose outward from the end of the guide tube.
    • 公开了一种用于清洗车载混凝土搅拌筒的整体安装的装置。 冲洗装置包括开口的细长相对刚性的中空导管,其以倾斜的混合鼓的支撑结构支撑件固定的关系安装,并且在固定的关系上延伸到在翅片和充电料斗之间的滚筒的开口端。 柔性中空软管穿过导管。 软管具有与压力下的清洁流体源连接的接收端以及当引导管的端部在混合鼓的开口端内部时突出的排出端。 提供一个前向软管止挡件,用于防止软管通过引导管向下滑动,并且提供一个后软管止动件,用于限制软管的排放端从引导管的端部向外的行进。
    • 29. 发明申请
    • Hydrotreating of fischer-tropsch derived feeds prior to oligomerization using an ionic liquid catalyst
    • 在使用离子液体催化剂进行低聚反应之前,加热加热费托衍生的原料
    • US20050245778A1
    • 2005-11-03
    • US11154498
    • 2005-06-15
    • David JohnsonThomas HarrisMichael Driver
    • David JohnsonThomas HarrisMichael Driver
    • C07C2/00C07C2/04C10G2/00C10G9/00C10G45/02C10G45/58C10G50/02C10G57/02C10G69/06C10G69/12
    • C10G45/02C10G2/32C10G9/00C10G45/58C10G50/02C10G57/02C10G69/06C10G69/12
    • A process for oligomerizing a Fischer-Tropsch derived feed containing oxygenates which comprises (a) reducing significantly the oxygenates present in the Fischer-Tropsch derived feed by contacting said feed with a hydrotreating catalyst under hydrotreating conditions in a hydrotreating zone and recovering from the hydrotreating zone a Fischer-Tropsch derived hydrotreated feed which contains a significantly reduced amount of oxygenates as compared to the Fischer-Tropsch derived feed and also a significant amount of paraffins; (b) pyrolyzing the Fischer-Tropsch derived hydrotreated feed in a thermal cracking zone under thermal cracking conditions pre-selected to crack the paraffin molecules to form olefins and collecting an olefin-enriched Fischer-Tropsch feed from the thermal cracking zone; (c) contacting the olefin-enriched Fischer-Tropsch feed with a Lewis acid ionic liquid catalyst in an oligomerization zone under oligomerization reaction conditions; and (d) recovering from the oligomerization zone a Fischer-Tropsch derived product having molecules characterized by a higher average molecular weight and increased branching as compared to the Fischer-Tropsch derived feed.
    • 一种使含有含氧化合物的费 - 托衍生的原料低聚的方法,其包括(a)通过在加氢处理区中在加氢处理条件下使所述进料与加氢处理催化剂接触并显着地还原费 - 托衍生的进料中存在的含氧化合物,并从加氢处理区回收 费 - 托衍生的加氢处理的饲料,其与费 - 托衍生的饲料相比含有显着减少量的含氧化合物,并且还含有大量的链烷烃; (b)在预先选择的热裂解条件下在热裂解区中热解费 - 托衍生的加氢处理的原料,以裂解石蜡分子以形成烯烃并从热裂解区收集富烯烃的费 - 托进料; (c)在低聚反应条件下,在低聚区中使含烯烃的费 - 托进料与路易斯酸离子液体催化剂接触; 和(d)与费 - 托衍生的原料相比,具有分子特征在于较高的平均分子量和增加的支化的费 - 托衍生产物从低聚区回收。