Digester
    2.
    发明授权
    Digester 失效
    消化器

    公开(公告)号:US4512956A

    公开(公告)日:1985-04-23

    申请号:US551168

    申请日:1983-11-14

    CPC classification number: B01D11/0276

    Abstract: A rotary digester comprises a shell having means at one end for entry of material to be digested and, at the opposite end, a liquids outlet surrounded by a solids outlets. The solids outlet has a screw which assists in preventing egress of unwanted liquid with the solids.

    Abstract translation: 旋转蒸煮器包括壳体,其一端具有用于进入要消化的材料的装置,并且在相对端具有由固体出口包围的液体出口。 固体出口具有螺丝,其有助于防止用固体排出不想要的液体。

    Apparatus for increasing the yield and the production potential of urea
reactors
    3.
    发明授权
    Apparatus for increasing the yield and the production potential of urea reactors 失效
    用于提高尿素反应器的产量和生产潜力的装置

    公开(公告)号:US5304353A

    公开(公告)日:1994-04-19

    申请号:US821428

    申请日:1992-01-15

    Abstract: Urea is formed by the synthesis of ammonia with carbon dioxide at high pressure and temperature in an internal space of reactors through which flow a liquid phase cocurrently with a gas phase. The reactors are divided into compartments to avoid excessive mixing of the entire liquid phase and to allow the intermittent redistribution of the gas in bubbles of a suitable size for increasing the exchange of heat and matter between the two phases. At each passage from one compartment to the next, the liquid phase and the gas phase are made to flow on separate routes and are distributed in each compartment with a continuous, permanent, and even flow.

    Abstract translation: 通过在反应器的内部空间中在高压和高温下合成氨与二氧化碳形成尿素,通过该反应器将液相与气相并流流动。 反应器被分成隔室以避免整个液相的过度混合,并允许气体间断地重新分配为合适尺寸的气泡,以增加两相之间的热量和物质的交换。 在从一个隔室到另一个隔室的每个通道处,使液相和气相在不同的路线上流动,并以连续的,永久的和均匀的流量分布在每个隔室中。

    Recovery of hydrocarbons from tar sands
    4.
    发明授权
    Recovery of hydrocarbons from tar sands 失效
    从焦油砂中回收碳氢化合物

    公开(公告)号:US4459200A

    公开(公告)日:1984-07-10

    申请号:US372382

    申请日:1982-04-27

    CPC classification number: C10G1/047

    Abstract: The process for the substantially total recovery of hydrocarbons from oil sands comprises:Preconditioning of the sands with diluent, possibly water (which may also be recycled from the process) and, preferably, with recycle extract; digestion of the homogeneous pulp, with (process) water; a first separation of the water-sand suspension from the hydrocarbon phase and from the digestion water; simultaneous washing and mixing of the solids separated from the bulk of the hydrocarbon phase in thick phase with overflowing water; a possible second separation of the dense solid mass from the excess liquid phase, the intermediate aqueous layer from the first separation (middlings) undergoing decantation and thickening and the solids so thickened undergoing centrifugation and stripping for the recovery of the limited proportions of diluent entrained with it. The equipment for this process consists of a preconditioner, a digestor, a first separator, a thick phase mixer, a possible second separator, a decanter-thickener, a centrifuge and a stripper, besides the possible apparatus for treating the diluted bitumen.

    Abstract translation: 用于从油砂中基本上全部回收烃的方法包括:用稀释剂,可能的水(其也可以从该方法再循环)预处理砂,并且优选用再循环提取物预处理砂; 消化均质纸浆,用(工艺)水; 水 - 砂悬浮液与烃相和消解水的首次分离; 同时洗涤和混合从大部分烃相中分离出来的稠固相中的固体与溢出的水; 致密固体物质与过量液相的可能的第二次分离,来自第一次分离(中间物质)的中间水层经历倾析和增稠,并且固体如此稠化进行离心和汽提以回收限制比例的夹带的稀释剂 它。 除了用于处理稀释的沥青的可能装置之外,该方法的设备由预处理器,消化器,第一分离器,厚相混合器,可能的第二分离器,倾析器 - 增稠器,离心机和汽提器组成。

    Method for increasing the yield and the production potential of urea
reactors
    5.
    发明授权
    Method for increasing the yield and the production potential of urea reactors 失效
    提高尿素反应堆产量和生产潜力的方法

    公开(公告)号:US5847208A

    公开(公告)日:1998-12-08

    申请号:US900151

    申请日:1997-07-28

    Abstract: Urea is formed by the synthesis of ammonia with carbon dioxide at high pressure and temperature in an internal space of reactors through which flow a liquid phase cocurrently with a gas phase. The reactors are divided into compartments to avoid excessive mixing of the entire liquid phase and to allow the intermittent redistribution of the gas in bubbles of a suitable size for increasing the transfer of heat and mass between the two phases. At each passage from one compartment to the next, the liquid phase and the gas phase are made to flow on separate routes and are distributed in each compartment with a continuous, permanent, and even flow.

    Abstract translation: 通过在反应器的内部空间中在高压和高温下合成氨与二氧化碳形成尿素,通过该反应器将液相与气相并流流动。 反应器被分成隔室,以避免整个液相的过度混合,并允许气体间断地重新分配合适尺寸的气泡,以增加两相之间的热和质量传递。 在从一个隔室到另一个隔室的每个通道处,使液相和气相在不同的路线上流动,并以连续的,永久的和均匀的流量分布在每个隔室中。

    Extraction process
    6.
    发明授权
    Extraction process 失效
    提取过程

    公开(公告)号:US4533459A

    公开(公告)日:1985-08-06

    申请号:US642383

    申请日:1984-08-20

    CPC classification number: B03B9/02 C10G1/047

    Abstract: In the extraction of bitumen oils from oil sands, the raw material is first slurried with a stream of hot water under conditions promoting the release of the bitumen oils without disintegration of clay in the raw material; the water to raw material is at least 1:1 by weight. The slurry is separated into an oil-rich component, a solids component, and a middlings component containing essentially water and fines with only minor proportions of oil and solids. The middlings component, after removal of the contained fines and the solids is recycled as a part of the slurrying water.

    Abstract translation: 在从油砂中提取沥青油的过程中,原料首先用热水流在促进沥青油释放的条件下进行成浆,而不会在原料中分解粘土; 对原料的水至少为1:1。 将浆料分离成富含油的组分,固体组分和基本上含有少量油和固体的水和细粉的中成分。 除去含有的细粒和固体之后,中间组分作为制浆水的一部分被再循环。

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