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    • 4. 发明授权
    • Method for production of lower olefin
    • 低级烯烃的生产方法
    • US08530714B2
    • 2013-09-10
    • US12085055
    • 2006-11-13
    • Hirofumi ItoKazunori HondaKoji OyamaNobuyasu ChikamatsuKazutaka HiraokaAtsushi Okita
    • Hirofumi ItoKazunori HondaKoji OyamaNobuyasu ChikamatsuKazutaka HiraokaAtsushi Okita
    • C07C1/20
    • B01J29/04B01J29/40B01J2229/183B01J2229/62C07C1/20C07C2529/70Y02P20/52Y02P30/42C07C11/02C07C11/06
    • Disclosed is a method for production of lower olefins from a raw material containing dimethyl ether (DME), which can produce lower olefins (e.g. propylene) with good yield and in an economically advantageous manner by prolonging the time until the reversible deactivation of a zeolite catalyst and preventing the irreversible deactivation of the catalyst, can reduce the amount of water to be recycled to increase the thermal efficiency of the process, and can simplify the facilities and operations. Also disclosed is a method for improving the yield of propylene with good efficiency under practical operating conditions. A feed gas which comprises a DME-containing feedstock gas and an additive gas and further contains steam at a specific proportion is introduced into an olefin synthesis reactor to contact the feed gas with a zeolite catalyst, thereby producing a hydrocarbon product containing C2-C5 olefins. Propylene or the like is separated/collected from the hydrocarbon product, and at least a part of the remainder is used as at least a part of the additive gas.
    • 公开了一种从含有二甲醚(DME)的原料中生产低级烯烃的方法,其可以以良好的产率生产低级烯烃(例如丙烯),并且以经济上有利的方式通过延长直到沸石催化剂的可逆失活的时间 并防止催化剂的不可逆失活,可以减少再循环的水量,从而提高过程的热效率,并且可以简化设施和操作。 还公开了在实际操作条件下以良好的效率提高丙烯的产率的方法。 将包含含DME的原料气体和添加气体并进一步含有特定比例的蒸汽的进料气体引入到烯烃合成反应器中以使进料气体与沸石催化剂接触,由此生产含有C2-C5烯烃的烃产物 。 从烃产物中分离/收集丙烯等,其余部分的至少一部分用作添加剂气体的至少一部分。
    • 5. 发明申请
    • Method for Production of Lower Olefin
    • 低烯烃生产方法
    • US20100217054A1
    • 2010-08-26
    • US12085055
    • 2006-11-13
    • Hirofumi ItoKazunori HondaKoji OyamaNobuyasu ChikamatsuKazutaka HiraokaAtsushi Okita
    • Hirofumi ItoKazunori HondaKoji OyamaNobuyasu ChikamatsuKazutaka HiraokaAtsushi Okita
    • C07C1/20
    • B01J29/04B01J29/40B01J2229/183B01J2229/62C07C1/20C07C2529/70Y02P20/52Y02P30/42C07C11/02C07C11/06
    • Disclosed is a method for production of lower olefins from a raw material containing dimethyl ether (DME), which can produce lower olefins (e.g. propylene) with good yield and in an economically advantageous manner by prolonging the time until the reversible deactivation of a zeolite catalyst and preventing the irreversible deactivation of the catalyst, can reduce the amount of water to be recycled to increase the thermal efficiency of the process, and can simplify the facilities and operations. Also disclosed is a method for improving the yield of propylene with good efficiency under practical operating conditions. A feed gas which comprises a DME-containing feedstock gas and an additive gas and further contains steam at a specific proportion is introduced into an olefin synthesis reactor to contact the feed gas with a zeolite catalyst, thereby producing a hydrocarbon product containing C2-C5 olefins. Propylene or the like is separated/collected from the hydrocarbon product, and at least a part of the remainder is used as at least a part of the additive gas.
    • 公开了一种从含有二甲醚(DME)的原料中生产低级烯烃的方法,其可以以良好的产率生产低级烯烃(例如丙烯),并且以经济上有利的方式通过延长直到沸石催化剂的可逆失活的时间 并防止催化剂的不可逆失活,可以减少再循环的水量,从而提高过程的热效率,并且可以简化设施和操作。 还公开了在实际操作条件下以良好的效率提高丙烯的产率的方法。 将包含含DME的原料气体和添加气体并进一步含有特定比例的蒸汽的进料气体引入到烯烃合成反应器中以使进料气体与沸石催化剂接触,由此生产含有C2-C5烯烃的烃产物 。 从烃产物中分离/收集丙烯等,其余部分的至少一部分用作添加剂气体的至少一部分。
    • 9. 发明授权
    • Lens unit and imaging device
    • 镜头单元和成像装置
    • US07433136B2
    • 2008-10-07
    • US11581739
    • 2006-10-16
    • Mitsuru IchikawaTakatoshi UnemeAtsushi OkitaFujio Kanai
    • Mitsuru IchikawaTakatoshi UnemeAtsushi OkitaFujio Kanai
    • G02B7/02
    • G02B7/026G03B3/10G03B9/14
    • A lens unit includes a lens barrel having an imaging optical system arranged therein and a movable unit having a movable lens, the movable unit being movable in an optical axis direction with respect to the lens barrel. The lens barrel includes a first member and a second member adapted to be coupled together in a coupling direction. Fixing pieces are provided on the first member and the second member, respectively, and fixing means is filled between the fixing pieces when the first member and the second member are coupled together. The respective fixing pieces are provided in positions at which a force is applied in a direction in which the fixing means is compressed by the respective fixing pieces when a force is applied to the first member and the second member in a direction in which the first member is released from the second member.
    • 透镜单元包括具有布置在其中的成像光学系统的透镜镜筒和具有可移动透镜的可移动单元,所述可移动单元可相对于镜筒在光轴方向上移动。 镜筒包括第一构件和适于在联接方向上联接在一起的第二构件。 固定件分别设置在第一构件和第二构件上,并且当第一构件和第二构件联接在一起时,固定装置被填充在固定件之间。 相应的固定件设置在当第一构件和第二构件在第一构件和第二构件上施加力时沿着固定装置被各个固定件压缩的方向施加力的位置 从第二个成员释放。
    • 10. 发明申请
    • Lens unit and imaging device
    • 镜头单元和成像装置
    • US20070097527A1
    • 2007-05-03
    • US11581739
    • 2006-10-16
    • Mitsuru IchikawaTakatoshi UnemeAtsushi OkitaFujio Kanai
    • Mitsuru IchikawaTakatoshi UnemeAtsushi OkitaFujio Kanai
    • G02B7/02
    • G02B7/026G03B3/10G03B9/14
    • A lens unit includes a lens barrel having an imaging optical system arranged therein and a movable unit having a movable lens, the movable unit being movable in an optical axis direction with respect to the lens barrel. The lens barrel includes a first member and a second member adapted to be coupled together in a coupling direction. Fixing pieces are provided on the first member and the second member, respectively, and fixing means is filled between the fixing pieces when the first member and the second member are coupled together. The respective fixing pieces are provided in positions at which a force is applied in a direction in which the fixing means is compressed by the respective fixing pieces when a force is applied to the first member and the second member in a direction in which the first member is released from the second member.
    • 透镜单元包括具有布置在其中的成像光学系统的透镜镜筒和具有可移动透镜的可移动单元,所述可移动单元可相对于镜筒在光轴方向上移动。 镜筒包括第一构件和适于在联接方向上联接在一起的第二构件。 固定件分别设置在第一构件和第二构件上,并且当第一构件和第二构件联接在一起时,固定装置被填充在固定件之间。 相应的固定件设置在当第一构件和第二构件在第一构件和第二构件上施加力时沿着固定装置被各个固定件压缩的方向施加力的位置 从第二个成员释放。