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    • 72. 发明申请
    • GAS TIGHT HORIZONTAL DECANTER FOR DRILLING WASTE SOLIDS WASHING
    • 用于钻井废物固体清洗的气体紧密水平滗水器
    • WO2017149494A1
    • 2017-09-08
    • PCT/IB2017/051228
    • 2017-03-02
    • RECOVER ENERGY SERVICES INC.
    • ROSS, StanBIERSTEKER, MikePALMER, WendellSUDLOW, Paul
    • B01D21/26E21B21/06
    • E21B21/065B01D21/01B01D21/262B01D2221/04B04B1/20
    • A hermetically sealed horizontal washing decanter centrifuge for enhanced drilling fluid recovery and drilled solids washing. A process and apparatus for liquid phase -solid phase separation of oil based drilling mud-containing drill cuttings is described including flowing the drilling mud-containing drill cuttings into a horizontal washing decanter wherein the stresses imposed within the decanter act as a wash as the diluent and oil based drilling mud move away from the drill cuttings. Diluent is added prior to flowing the drilling mud containing drill cutting to the hermetically sealed horizontal washing decanter centrifuge. The entire process is performed in a gas-tight environment preventing escape of diluent from the process into the external atmosphere and preventing introduction of gases into the process from the external atmosphere.
    • 密封式卧式清洗沉降式离心机,用于提高钻井液回收率和钻井固体清洗。 描述了一种用于含油钻井泥浆的钻屑的液相 - 固相分离的方法和设备,包括使含钻井泥浆的钻屑流入卧式洗涤滗析器,其中施加在滗析器内的应力作为稀释剂 和油基钻井泥浆远离钻屑。 在将包含钻屑的钻井泥浆流到密封的卧式洗涤沉降离心机之前添加稀释剂。 整个过程在气密环境中进行,防止稀释剂从过程中逸出到外部大气中,并防止气体从外部大气中进入过程。
    • 74. 发明申请
    • DECANTER CENTRIFUGE
    • WO2015135823A1
    • 2015-09-17
    • PCT/EP2015/054586
    • 2015-03-05
    • ANDRITZ S.A.S.
    • MICHELSEN, Jan
    • B04B1/20
    • B04B1/20B04B7/04B04B15/00B04B2001/2041B04B2001/2075B04B2001/2083
    • The invention relates to a decanter centrifuge with a rotating bowl (1) provided with at least one solids discharge port (11) and at least one clarified liquid discharge port (15) and a screw conveyor (2) disposed coaxially within said rotating bowl rotated in the same direction with a differential rotational speed, where a feed suspension to be separated is introduced into a ring shaped space formed between said rotating bowl (1) and said screw conveyor (2) through a central feed pipe fixed to the end of the screw conveyor and supported in at least one bearing and can be separated by centrifugal force into a solid and a liquid phase so that said solid phase is discharged from said solid discharge port and said liquid phase is discharged from said clarified liquid discharging apparatus. According to the present invention it is charakterized by a liquid phase conduit (4) arranged in the hollow shaft of the rotating bowl (1) guiding the liquid phase outside of the bearings (16, 18), a liquid phase discharge valve (14) provided outside the bearing on the side facing away from the bowl (1) and screw (2) and a sealing (6) at the end of the feed pipe (10) surrounded by the liquid phase conduit. So it is possible to pressurise the system and to use the pressure from the feed pump to support the cake transport in the solids transporting part of the bowl, thereby eliminating the need for variable speed conveyor control and equipment.
    • 本发明涉及一种具有旋转碗(1)的倾析器离心机,设置有至少一个固体排出口(11)和至少一个澄清液体排出口(15)和同轴地设置在所述旋转碗内旋转的螺旋输送器(2) 在相同的方向上以差速旋转速度,其中要分离的进料悬浮液通过固定在所述旋转碗(1)的末端处的中心进料管被引入形成在所述旋转碗(1)和所述螺旋输送机(2)之间的环形空间中, 螺旋输送机并支承在至少一个轴承中,并可通过离心力分离为固相和液相,使得所述固相从所述固体排出口排出,所述液相从所述澄清液体排放装置排出。 根据本发明,它通过布置在旋转碗(1)的中空轴中的液相导管(4)来引导液相外的轴承(16,18),液相排出阀(14) 在所述轴承的外侧,所述轴承位于所述进料管(10)的由所述液相管道包围的所述侧壁(1)和螺杆(2)以及密封件(6)的外侧。 因此,可以对系统加压并且使用来自进料泵的压力来支撑在碗的固体输送部分中的饼块输送,从而不需要变速输送机控制和设备。
    • 78. 发明申请
    • SMOOTHLY ACCELERATING CHANNEL INLET FOR CENTRIFUGAL SEPARATOR
    • SMOOTHLY加速通道入口用于离心分离器
    • WO2014124926A1
    • 2014-08-21
    • PCT/EP2014/052613
    • 2014-02-11
    • ALFA LAVAL CORPORATE AB
    • MOBERG, HansOLDEBÄCK, Tomas
    • B04B11/06
    • B04B1/20B01D21/262B04B11/02B04B11/06B04B2001/2033B04B2001/2066
    • Inlet device 1 for a centrifugal separator for directing the liquid mixture to be separated from an inlet pipe. Inlet device 1 rotates around axis R and comprises conical receiving structure 2 arranged around axis R and central receiving zone 3 surrounding apex 4 of receiving structure 2 for receiving the liquid mixture from the inlet pipe. The inlet device comprises inlet channel 5 directing the liquid from receiving zone 3 to separation chamber 16. Inlet channel 5 exiends from the periphery of receiving zone 3, spirals down the outer surface of conical receiving structure 2 and extends in a direction forming angle α of less than 90° with the tangent Ta of the periphery of receiving zone 3. Inlet channel 5 extends in a straight radial direction from axis R from the bottom of the central conical receiving structure to inlet channel outlet 6 leading to separation chamber 16.
    • 用于离心分离器的入口装置1,用于引导要从入口管分离的液体混合物。 入口装置1围绕轴线R旋转,并且包括围绕轴线R布置的锥形接收结构2和围绕接收结构2的顶点4的中心接收区域3,用于从入口管接收液体混合物。 入口装置包括将液体从接收区域3引导到分离室16的入口通道5.入口通道5从接收区域3的外围排出,沿锥形接收结构2的外表面向下螺旋,并沿着形成角度α 与接收区3的周边的切线Ta小于90°。入口通道5从中心锥形接收结构的底部到轴线R的直径向延伸到通向分离室16的入口通道出口6。
    • 79. 发明申请
    • CENTRIFUGAL SEPARATOR EQUIPPED WITH SEPARATED LIQUID JET NOZZLE
    • 离心式分离器配有分离式液体喷嘴
    • WO2014068872A1
    • 2014-05-08
    • PCT/JP2013/006110
    • 2013-10-11
    • TOMOE ENGINEERING CO., LTD.
    • YOSHIDA, TakaoNAGASU, Masaru
    • B04B1/20
    • B04B11/02B04B1/20B04B2001/2075B04B2001/2083
    • Provided is a centrifugal separator equipped with a separated liquid jet nozzle, capable of reducing energy consumption on the rotational drive of a bowl, and capable of avoiding the problem of the solid contained in the raw liquid being discharged through a jet nozzle to a liquid recovery system, and the problem of the adverse effect being produced on the water content ratio in the discharged solid content when the treatment conditions are changed. A separated liquid jetting device 9, which collects the separated liquid that has overflowed the top of an overflow edge 7a of a dam 7, is attached to a front hub 8 at a position on radially outward of each of the liquid discharge ports 6. The separated liquid jetting device 9 has a separated liquid retention chamber 12 that temporarily retains the collected separated liquid inside thereof, and a jet nozzle 10 that is open in the direction opposite to the rotation direction of the bowl 2 and jets out the liquid located inside the separated liquid retention chamber 12 to the outside is disposed at a side section 9a.
    • 本发明提供一种配备有分离液体喷嘴的离心分离器,其能够降低碗的旋转驱动时的能量消耗,并且能够避免原料液体中所含的固体通过喷嘴排出至液体回收的问题 系统,以及当处理条件改变时对排出的固体含量中的含水率产生不利影响的问题。 收集已经溢出了坝7的溢流边缘7a的顶部的分离液体的分离液体喷射装置9在每个排液口6的径向外侧的位置安装在前轮毂8上。 分离液体喷射装置9具有分离的液体保留室12,其将收集的分离液体暂时保持在其内部;以及喷嘴10,其沿与碗状物2的旋转方向相反的方向开口,并喷射位于 分离的液体保持室12设置在侧部9a。