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    • 1. 发明授权
    • Fluid particle backmixed cooling apparatus
    • 流体颗粒回混冷却装置
    • US4483276A
    • 1984-11-20
    • US590132
    • 1984-03-16
    • David A. LomasGregory J. Thompson
    • David A. LomasGregory J. Thompson
    • B01J8/00B01J8/24B01J21/20B01J29/90C10G11/18F23C11/02F22B3/02
    • C10G11/182B01J21/20B01J29/90B01J8/0055B01J8/24
    • An apparatus for the cooling of hot fluidized solid particles. The apparatus comprises in combination: (a) a vertically oriented combustion chamber; (b) a disengagement chamber above and connected to the combustion chamber; (c) a collection section at the bottom of the disengagement chamber; (d) a vertically oriented shell and tube heat exchanger with the shell closed at the bottom and the top of the shell in sealed communication with the disengagement chamber such that the particles can circulate to and from the shell and disengagement chamber; (e) a fluidizing gas inlet in the bottom of the shell such that fluidizing gas can enter the shell and continuously backmix the particles; (f) an inlet and outlet to the tubes of the heat exchanger such that a cooling fluid can flow through the tubes; and (g) a control valve in the fluidizing gas inlet with a control system which controls the quantity of cooling fluid removed from the tubes by controlling the amount of fluidizing gas to the heat exchanger which regulates the duty of the heat exchanger.
    • 一种用于冷却热流化固体颗粒的装置。 该装置包括:(a)垂直取向的燃烧室; (b)在燃烧室之上并连接到燃烧室的脱离室; (c)分离室底部的收集部分; (d)垂直定向的壳管式热交换器,壳体在底部封闭,壳体的顶部与分离室密封连通,使得颗粒可以在壳体和分离室中循环; (e)壳体底部的流化气体入口,使得流化气体可以进入壳体并连续地混合颗粒; (f)热交换器的管的入口和出口,使得冷却流体可以流过管; 和(g)流化气体入口中的控制阀,其具有控制系统,该控制系统通过控制调节热交换器的占空比的热交换器的流化气体的量来控制从管中去除的冷却流体的量。
    • 2. 发明授权
    • Fluid particle backmixed cooling process
    • 流体颗粒回混冷却过程
    • US4439533A
    • 1984-03-27
    • US412698
    • 1982-08-30
    • David A. LomasGregory J. Thompson
    • David A. LomasGregory J. Thompson
    • B01J8/00B01J8/24B01J21/20B01J29/90C10G11/18B01J29/38F28D13/00G06G7/58
    • C10G11/182B01J21/20B01J29/90B01J8/0055B01J8/24Y10S208/01
    • A process and associated apparatus for the cooling of hot fluidized solid particles. The particles flow from a first dense phase fluidized bed into the shell side of a vertically oriented shell and tube heat exchanger where cooling occurs via indirect heat exchange with a cooling medium circulating in the tubes. The extent of cooling is controlled by the varying of the heat transfer coefficient between the tubes and particles in the heat exchanger which are maintained as a second dense phase fluidized bed. The coefficient is varied by varying the quantity of fluidizing gas to the fluidized bed in the heat exchanger. The particles flow freely to and from the first and second dense phase fluidized beds through which the particles recirculate and are backmixed. The process has particular applicability to a combustive regeneration process and most particular applicability to the FCC process.
    • 一种用于冷却热流化固体颗粒的方法和相关设备。 颗粒从第一密相流化床流入垂直取向的壳管式热交换器的壳侧,其中通过与在管中循环的冷却介质的间接热交换进行冷却。 冷却的程度通过保持为第二致密相流化床的热交换器中的管和颗粒之间的传热系数的变化来控制。 通过改变热交换器中流化床的流化气体的量来改变系数。 颗粒自由地流入和流出第一和第二致密相流化床,颗粒通过该流化床再循环并被混合。 该方法特别适用于燃烧再生过程以及对FCC方法的最特别的适用性。
    • 3. 发明授权
    • Fluid catalyst regeneration process
    • 流体催化剂再生过程
    • US4353812A
    • 1982-10-12
    • US273296
    • 1980-06-15
    • David A. LomasGregory J. Thompson
    • David A. LomasGregory J. Thompson
    • B01J8/00B01J8/24B01J21/20B01J29/90C10G11/18B01J29/38F27B15/08
    • B01J21/20B01J29/90B01J8/0055B01J8/24C10G11/182
    • A catalyst regeneration process and apparatus for the oxidative removal of coke from a coke contaminated fluid catalyst. The process comprises a high temperature coke combustion zone, a catalyst disengagement zone and an external heat removal zone comprising a shell and tube heat exchanger. Catalyst is cooled by passing it through the shell side of the heat exchanger with a cooling medium through the tube side. A mixture of coke contaminated catalyst, oxygen containing gas, and cool regenerated catalyst from the heat removal zone are contacted in the high temperature combustion zone, the temperature of which is controlled by adjusting the rate at which fluidizing gas is passed to the bottom portion of the shell of the heat exchanger which varies the degree of turbulence of the fluidized bed in the shell side and thus the heat transfer coefficient at the outside surface of the tubes which in turn varies the quantity of heat transferred to the cooling medium in the tubes.
    • 用于从焦炭污染的流体催化剂氧化除去焦炭的催化剂再生方法和装置。 该方法包括高温焦炭燃烧区,催化剂分离区和包括管壳式热交换器的外部除热区。 通过将冷却介质穿过管侧通过热交换器的外壳侧来冷却催化剂。 来自除热区域的焦炭污染催化剂,含氧气体和冷再生催化剂的混合物在高温燃烧区接触,其温度通过调节流化气体通过到底部的速率来控制 热交换器的壳体,其改变了壳侧中的流化床的湍流程度,因此改变了管的外表面处的传热系数,这又改变了传递到管中的冷却介质的热量。
    • 4. 发明授权
    • Fluid particle cooling process and apparatus
    • 流体颗粒冷却过程和装置
    • US4434245A
    • 1984-02-28
    • US413047
    • 1982-08-30
    • David A. LomasGregory J. Thompson
    • David A. LomasGregory J. Thompson
    • B01J8/00B01J8/24B01J21/20B01J29/90C10G11/18B01J29/38F27B15/08
    • B01J8/0055B01J21/20B01J29/90B01J8/24C10G11/182
    • A process and associated apparatus for the cooling of hot fluidized solid particles. The particles flow from a dense phase fluidized bed into the shell side of a vertically oriented shell and tube heat exchanger where cooling occurs via indirect heat exchange with a cooling media circulating in the tubes. The extent of cooling is controlled by the varying of the heat transfer coefficient between the tubes and particles in the heat exchanger which are maintained as a dense phase fluidized bed. The coefficient is varied by varying a combination of the variables comprising the quantity of fluidizing gas to the fluidized bed in the heat exchanger and the quantity of particle flow through that bed. The process has particular applicability to a combustive regeneration process and most particular applicability to the FCC process.
    • 一种用于冷却热流化固体颗粒的方法和相关设备。 颗粒从密相流化床流入垂直取向的壳管式热交换器的壳侧,其中冷却通过与在管中循环的冷却介质的间接热交换而发生。 冷却的程度通过保持为致密相流化床的热交换器中的管和颗粒之间的传热系数的变化来控制。 通过将包含流化气体的量的变量与热交换器中的流化床的变量和通过该床的颗粒流量的组合变化来改变系数。 该方法特别适用于燃烧再生过程以及对FCC方法的最特别的适用性。
    • 5. 发明授权
    • Fluid catalyst regeneration apparatus
    • 流体催化剂再生装置
    • US4424192A
    • 1984-01-03
    • US389790
    • 1982-06-18
    • David A. LomasGregory J. Thompson
    • David A. LomasGregory J. Thompson
    • B01J8/00B01J8/24B01J21/20B01J29/90C10G11/18B01J8/26B01J29/38
    • B01J8/24B01J21/20B01J29/90B01J8/0055C10G11/182Y10S208/01
    • A catalyst regeneration process and apparatus for the oxidative removal of coke from a coke contaminated fluid catalyst. The process comprises a high temperature coke combustion zone, a catalyst disengagement zone and an external heat removal zone comprising a shell and tube heat exchanger. Catalyst is cooled by passing it through the shell side of the heat exchanger with a cooling medium through the tube side. A mixture of coke contaminated catalyst, oxygen containing gas, and cool regenerated catalyst from the heat removal zone are contacted in the high temperature combustion zone, the temperature of which is controlled by adjusting the rate at which fluidizing gas is passed to the bottom portion of the shell of the heat exchanger which varies the degree of turbulence of the fluidized bed in the shell side and thus the heat transfer coefficient at the outside surface of the tubes which in turn varies the quantity of heat transferred to the cooling medium in the tubes.
    • 用于从焦炭污染的流体催化剂氧化除去焦炭的催化剂再生方法和装置。 该方法包括高温焦炭燃烧区,催化剂分离区和包括管壳式热交换器的外部除热区。 通过将冷却介质穿过管侧通过热交换器的外壳侧来冷却催化剂。 来自除热区域的焦炭污染催化剂,含氧气体和冷再生催化剂的混合物在高温燃烧区接触,其温度通过调节流化气体通过到底部的速率来控制 热交换器的壳体,其改变了壳侧中的流化床的湍流程度,因此改变了管的外表面处的传热系数,这又改变了传递到管中的冷却介质的热量。