Process for the decomposition of sodium aluminate liquor for the
production of alumina
    1.
    发明授权
    Process for the decomposition of sodium aluminate liquor for the production of alumina 失效
    用于生产氧化铝的铝酸钠液体分解方法

    公开(公告)号:US4865825A

    公开(公告)日:1989-09-12

    申请号:US90706

    申请日:1987-08-28

    IPC分类号: C01F7/14

    摘要: A process and an apparatus for the continuous decoposition of a supersaturated sodium aluminate liquor forming a suspension in the presence of aluminium trihydroxide seed characterised by:(a) bringing into contact in a non-agitated grading decomposer a feed flow formed by the suspension and a recycling flow which is taken off in the underflow zone of the decomposer,(b) simultaneously drawing off a production flow in the same underflow zone,(c) extraction of an overflow flow at the overflow of the grading decomposer, and(d) suitable regulation in dependence on the flow rate of the feed flow, the flow rate of the recycling flow, the speed of discharge flow of the suspension in the underflow zone and the speed of rise of the suspension in the overflow zone.

    摘要翻译: 一种在三氢氧化铝种子存在下形成悬浮液的过饱和铝酸钠液体的连续取代的方法和装置,其特征在于:(a)在非搅拌分级分解器中使由悬浮液形成的进料流和 在分解器的下溢区域中取出的再循环流,(b)同时在相同的下溢区域抽出生产流,(c)在分级分解器的溢流处提取溢流,和(d)合适的 依赖于进料流量的流量,再循环流量的流量,悬浮液在下溢区域中的排出流速以及悬浮液在溢流区域中的上升速度。

    Apparatus for decomposing sodium aluminate liquors without agitation to
produce alumina
    2.
    发明授权
    Apparatus for decomposing sodium aluminate liquors without agitation to produce alumina 失效
    用于在不搅拌的情况下分解铝酸钠液体以生产氧化铝的装置

    公开(公告)号:US4762684A

    公开(公告)日:1988-08-09

    申请号:US3046

    申请日:1987-01-13

    IPC分类号: C01F7/14 B01F13/02

    摘要: A method and apparatus for decomposing a sodium aluminate liquor supersaturated with alumina, obtained from alkaline action on bauxite by the Bayer process, is initiated by introduction of alumina trihydrate seed, thereby forming a suspension. The suspension is fed in at the top of a non-agitated reactor described as a "decomposer", and removed from the bottom of the decomposer; the speed at which the suspension moves downwardly is regulated at 1.5 to 10 meters per hour. The apparatus comprises a cylindrical-conical reactor which is fitted with an arrangement for feeding in the suspension at the top, and with an arrangement for taking out the suspension at the bottom. In one embodiment of the apparatus the suspension is taken from the base of the decomposer through an internal tube, with air injected into the bottom of it, is raised to the level of the top of the decomposer and is then sent downstream.

    摘要翻译: 通过引入三水合氧化铝种子来引发用于通过拜耳法从碱性作用对铝土矿进行分解的用氧化铝过饱和的铝酸钠液体的方法和装置,从而形成悬浮液。 悬浮液在称为“分解器”的非搅拌反应器的顶部进料,并从分解器的底部除去; 悬架向下移动的速度调节为每小时1.5至10米。 该装置包括圆柱形锥形反应器,该反应器装配有用于供给悬挂在顶部的装置,并具有用于在底部取出悬架的装置。 在装置的一个实施例中,悬浮液通过内管从分解器的底部取出,其中注入空气的底部的空气被升高到分解器的顶部的水平面,然后被送到下游。

    Apparatus for the decomposition of sodium aluminate liquor for the
production of alumina
    3.
    发明授权
    Apparatus for the decomposition of sodium aluminate liquor for the production of alumina 失效
    铝酸钠液分解用于生产氧化铝的设备

    公开(公告)号:US4818499A

    公开(公告)日:1989-04-04

    申请号:US48883

    申请日:1987-05-12

    IPC分类号: C01F7/14 B01J8/08 B01J8/10

    摘要: A grading decomposer apparatus for continuously decomposing a liquor of sodium aluminate supersaturated in alumina comprises a cylindrical-conical tank for containing the liquor, having an upper cylindrical portion and an overflow generally peripherally disposed in the upper portion. A centrally disposed tubular element passes from above into the upper portion of the tank; the tubular member terminates in the cylindrical portion of the tank below the overflow. The apparatus also includes an off-take from the lower portion of the tank to an outlet; liquor is recycled from the lower portion of the tank to the upper portion within the tubular element and below the overflow, and liquor is introduced into the upper portion of the tank within the tubular element and below the overflow. A static disperser is disposed within the tubular element, the liquor feed and the recycled liquor inlet in order to create a feed and tranquilization zone within the tubular element.

    摘要翻译: 用于连续分解在氧化铝中过饱和的铝酸钠液体的分级分解装置包括用于容纳液体的圆柱形锥形罐,其具有上部圆柱形部分和大致外围设置在上部的溢流。 中央设置的管状元件从上方通过到罐的上部; 管状构件终止于在溢流下方的罐的圆筒形部分。 该装置还包括从罐的下部到出口的取出; 液体从罐的下部再循环到管状元件内的上部并且在溢流下方,并且液体被引入管状元件内的罐的上部并且在溢流下方。 静态分散器设置在管状元件内,液体进料和再循环液入口中,以在管状元件内形成进料和稳定区。

    AIRCRAFT COMPRISING A DISTRIBUTED ELECTRIC POWER UNIT WITH FREE WHEELS
    4.
    发明申请
    AIRCRAFT COMPRISING A DISTRIBUTED ELECTRIC POWER UNIT WITH FREE WHEELS 审中-公开
    具有自由轮的分布式电力单元的飞机

    公开(公告)号:US20140203739A1

    公开(公告)日:2014-07-24

    申请号:US14342401

    申请日:2012-08-13

    摘要: The invention relates to a rotary- or fixed-wing aircraft comprising one or more rotors and/or one or more propellers, in which the rotor(s) and/or propeller(s) are rotated at a variable or constant speed by at least one shaft (Rp1, Rp2, Rp, RAC, H), and the aircraft includes a power unit (GEMD) configured to propel and/or lift the aircraft by rotating the shaft. The aircraft is characterised in that: the power unit (GEMD) is a distributed electric power unit formed by multiple stacked electric power elements (Ee1, Ee2, Een), each element being adapted to confer, on the rotation shaft (Rp1, Rp2, Rp, RAC, H), a fraction of the total power necessary in order to propel and/or lift the aircraft; the distributed electric power unit (GEMD) is in direct engagement with the rotation shaft (Rp1, Rp2, Rp, RAC, H), with no movement transmission mechanism being inserted between the unit and the shaft; each electric power element (Ee1, Ee2, Een) is directly connected to the rotation shaft (Rp1, Rp2, Rp, RAC, H) and comprises at least one fixed stator (St), at least one moving rotor (Rt) and at least one mechanical or electromagnetic free wheel (RI) in direct engagement with the rotation shaft, said moving rotor (Rt) co-operating with the free wheel (RI) such as to be coupled to the rotation shaft during normal operation of the electric power unit (Ee1, Ee2, Een) and to be disconnected from the shaft in the event of the failure of the electric power element; and the rotation shafts of the moving rotors (Rt), the free wheels (RI) and the rotation shaft (Rp1, Rp2, Rp, RAC, H) are coaxial.

    摘要翻译: 本发明涉及一种包括一个或多个转子和/或一个或多个螺旋桨的旋转或固定翼飞行器,其中转子和/或螺旋桨以可变或恒定速度旋转至少 一个轴(Rp1,Rp2,Rp,RAC,H),并且飞行器包括被配置为通过旋转轴来推进和/或提升飞行器的动力单元(GEMD)。 该飞机的特征在于:动力单元(GEMD)是由多个堆叠的电力元件(Ee1,Ee2,Een)形成的分布式电力单元,每个元件适于在旋转轴(Rp1,Rp2, Rp,RAC,H),以推动和/或提升飞机所需的总功率的一小部分; 分布式电力单元(GEMD)与旋转轴(Rp1,Rp2,Rp,RAC,H)直接接合,在单元和轴之间没有移动传动机构; 每个电力元件(Ee1,Ee2,Een)直接连接到旋转轴(Rp1,Rp2,Rp,RAC,H),并且包括至少一个固定定子(St),至少一个移动转子(Rt) 与所述旋转轴直接接合的至少一个机械或电磁自由轮(RI),所述移动转子(Rt)与所述自由轮(RI)协作,以在所述电力的正常操作期间联接到所述旋转轴 单元(Ee1,Ee2,Een),并且在电力元件发生故障的情况下与轴断开; 移动转子(Rt),自由轮(RI)和旋转轴(Rp1,Rp2,Rp,RAC,H)的旋转轴是同轴的。

    Method and apparatus for decomposing sodium aluminate liquors without
agitation to produce alumina
    5.
    发明授权
    Method and apparatus for decomposing sodium aluminate liquors without agitation to produce alumina 失效
    不搅拌分解铝酸钠液体以生产氧化铝的方法和装置

    公开(公告)号:US4666687A

    公开(公告)日:1987-05-19

    申请号:US831269

    申请日:1986-02-20

    IPC分类号: C01F7/14 C01F7/06

    摘要: The invention concerns a method and apparatus for decomposing a sodium aluminate liquor supersaturated with alumina, obtained from alkaline action on bauxite by the Bayer process, decomposition being initiated by introduction of alumina trihydrate seed to trigger the decomposition, thereby forming a suspension. In this process the suspension is fed in at the top of a non-agitated reactor described as a "decomposer", and removed from the bottom of the decomposer; the speed at which the suspension moves downwardly is regulated at 1.5 to 10 meters per hour. The apparatus comprises a cylindrical-conical reactor which is fitted with an arrangement for feeding in the suspension at the top, and with an arrangement for taking out the suspension at the bottom. In one embodiment of the apparatus the suspension is taken from the base of the decomposer through an internal tube, with air injected into the bottom of it, is raised to the level of the top of the decomposer and is then sent downstream.

    摘要翻译: 本发明涉及一种用于通过拜耳方法分解铝氧化铝过饱和的铝酸盐液体,其由铝土矿碱性作用分解,通过引入三水合氧化铝种子引发分解,从而形成悬浮液。 在该方法中,将悬浮液在称为“分解器”的非搅拌反应器的顶部进料,并从分解器的底部除去; 悬架向下移动的速度调节为每小时1.5至10米。 该装置包括圆柱形锥形反应器,该反应器装配有用于供给悬挂在顶部的装置,并具有用于在底部取出悬架的装置。 在装置的一个实施例中,悬浮液通过内管从分解器的底部取出,其中注入空气的底部的空气被升高到分解器的顶部的水平面,然后被送到下游。

    ELECTROMAGNETIC POWER TRANSMISSION FOR A ROTARY-WING AIRCRAFT OR A FIXED-WING AIRCRAFT
    6.
    发明申请
    ELECTROMAGNETIC POWER TRANSMISSION FOR A ROTARY-WING AIRCRAFT OR A FIXED-WING AIRCRAFT 审中-公开
    用于旋转式飞机或固定式飞机的电磁传动

    公开(公告)号:US20140248168A1

    公开(公告)日:2014-09-04

    申请号:US14342406

    申请日:2012-08-17

    IPC分类号: F04D13/06

    摘要: Rotary-wing aircraft or fixed-wing aircraft consisting of one or a plurality of rotors and/or one or a plurality of airscrews being caused to rotate by means of at least one shaft, the said aircraft comprising a distributed electric motor unit configured to ensure the propulsion and/or the lifting of the said aircraft by causing the said shaft to rotate, the motor unit being a distributed electric motor unit connected directly to the rotating shaft, no mechanism for the transmission of movement being interposed between the said CND unit and the said shaft, the distributed electric motor unit being composed of a plurality of stacked electric motor elements, each said electric motor element being connected directly to the rotating shaft and consisting of at least one fixed stator and at least one moving rotor capable of connection to the said rotating shaft in order to transmit to it a mechanical power of the following kind where: Pr=the nominal mechanical power necessary for the propulsion and/or for the lifting of the said aircraft, Pim=the maximum mechanical power capable of being delivered by the electric motor element on level i, to the rotating shaft, for instance Pim

    摘要翻译: 由一个或多个转子和/或一个或多个螺旋桨组成的旋翼式飞机或固定翼飞机通过至少一个轴被转动,所述飞行器包括分布式电动机单元,其配置成确保 通过使所述轴旋转而使所述飞行器的推进和/或提升,所述马达单元是直接连接到所述旋转轴的分布式电动机单元,所述CND单元和 所述轴,所述分布式电动机单元由多个堆叠的电动机元件组成,每个所述电动机元件直接连接到所述旋转轴,并且由至少一个固定定子和至少一个能够连接到 所述旋转轴为了向其传递以下类型的机械功率:Pr =推进所需的标称机械功率 离子和/或用于提升所述飞行器,Pim =能够由电动机元件在等级i上传递到旋转轴的最大机械功率,例如Pim

    Electromagnetic power transmission for a rotary-wing aircraft or a fixed-wing aircraft

    公开(公告)号:US09810224B2

    公开(公告)日:2017-11-07

    申请号:US14342406

    申请日:2012-08-17

    摘要: Rotary-wing aircraft or fixed-wing aircraft consisting of one or a plurality of rotors and/or one or a plurality of airscrews being caused to rotate by means of at least one shaft, the said aircraft comprising a distributed electric motor unit configured to ensure the propulsion and/or the lifting of the said aircraft by causing the said shaft to rotate, the motor unit being a distributed electric motor unit connected directly to the rotating shaft, no mechanism for the transmission of movement being interposed between the said unit and the said shaft, the distributed electric motor unit being composed of a plurality of stacked electric motor elements, each said electric motor element being connected directly to the rotating shaft and consisting of at least one fixed stator and at least one moving rotor capable of connection to the said rotating shaft in order to transmit to it a mechanical power of the following kind where: ·Pr=the nominal mechanical power necessary for the propulsion and/or for the lifting of the said aircraft, ·Pim=the maximum mechanical power capable of being delivered by the electric motor element on level i, to the rotating shaft, for instance Pim