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    • 123. 发明申请
    • Stripping apparatus and process
    • 剥皮装置和工艺
    • US20050040075A1
    • 2005-02-24
    • US10643968
    • 2003-08-20
    • Henrique CerqueiraClaudia M Alvarenga BaptistaJose Fusco
    • Henrique CerqueiraClaudia M Alvarenga BaptistaJose Fusco
    • B01D45/08B01J8/00B01J8/18C10G11/00C10G11/05C10G11/18
    • B01D45/08B01J8/18C10G11/05C10G11/182
    • A stripping apparatus for desorbing gases from solid particles through which flows counter-currently a stripping fluid is described, which comprises a series of sets of at least two parallel, segmented, baffle plates each, with the segmented baffles being oriented so that the rows are offset relative to rows of other levels, where the thickness and separation of said sets of baffles is so dimensioned as to reduce coalescence of the size of the formed bubbles and optimize the hydrocarbons desorption from said fluidized solid particles. The solid particles are mainly spent catalyst particles from a FCC process. The stripping process to be carried out in a fluidized bed comprises contacting the spent catalyst with a stripping fluid that flows upwardly in the fluidized bed in the form of bubbles. Adsorbed hydrocarbons present in the spent catalyst are transferred from the catalyst emulsion that flows downwardly to the upwardly moving bubbles, so as to promote the efficient recovery of cracked products.
    • 描述了一种用于从固体颗粒解吸气体的汽提装置,通过该汽提装置反向流动汽提流体,其包括一系列至少两个平行的,分段的挡板,每个分段挡板被定向成使得行是 相对于其他级别的行偏移,其中所述挡板组的厚度和分离的尺寸被设计成减小形成的气泡的尺寸的聚结并优化烃从所述流化固体颗粒的解吸附。 固体颗粒主要是来自FCC工艺的废催化剂颗粒。 在流化床中进行的汽提过程包括使废催化剂与气泡形式的流化床中向上流动的汽提流体接触。 存在于废催化剂中的吸附烃从向下流动的催化剂乳液转移到向上移动的气泡,以促进裂化产物的有效回收。
    • 124. 发明授权
    • Spent catalyst distributor
    • 废催化剂分配器
    • US06797239B1
    • 2004-09-28
    • US09718690
    • 2000-11-22
    • Ye-Mon ChenMahendra Sonabhai Patel
    • Ye-Mon ChenMahendra Sonabhai Patel
    • B01J824
    • C10G11/182B01J8/0025B01J8/18B01J2208/00752
    • The present invention is related to methods and apparatus for improving distributions of both spent catalyst and transport gas into a regenerator of a fluid catalytic cracking unit. Spent catalyst and transport gases move upwardly through a spent catalyst riser and are diverted in a radially outward direction by a deflector cone. The catalyst and transport gas are re-mixed as they move radially outward between two disks before discharging from the outer edges (perimeter) of the distributor into the regenerator in a substantially uniform radial direction. The distributor is adapted to provide continuous discharge from its perimeter so as to cover the entire cross-section of the regenerator.
    • 本发明涉及用于改进废催化剂和运输气体分配到流化催化裂化装置的再生器中的方法和装置。 废催化剂和运输气体向上移动通过废催化剂提升管并且通过偏转器锥体沿径向向外的方向转向。 当催化剂和运输气体在两个盘之间径向向外移动时,在从分配器的外边缘(周边)排放到基本上均匀的径向方向的再生器之前被重新混合。 分配器适于从其周边提供连续排放,以覆盖再生器的整个横截面。
    • 128. 发明授权
    • Fused glassy particulates obtained by flame fusion
    • 通过火焰熔融获得的熔融玻璃状颗粒
    • US06254981B1
    • 2001-07-03
    • US09408274
    • 1999-09-29
    • Richard B. Castle
    • Richard B. Castle
    • B32B516
    • B01J2/16B01J6/005B01J8/18C03B19/102C03C12/00Y02P40/57Y10T428/252Y10T428/2982Y10T428/2991Y10T428/2996Y10T428/2998
    • The disclosure describes methods for producing bulk, particulate material that includes solid, generally ellipsoidal particles. Irregularly shaped feed particles with average particle sizes of up to 25 microns on a volume basis are dispersed in at least a portion of a combustible gas mixture by application of force and/or fluidizing agents. The combustible mixture with particles in suspension is then delivered, while controlling agglomeration or re-agglomeration of the particles, to at least one flame front. There, the mixture and suspended particles are uniformly distributed across the surface(s) of and passed through the flame front(s) with a high concentration of particles in the mixture. This flame front and the resultant flame(s) with suspended particles are located in at least one “wall free” zone. In such zone(s) the flame(s) may expand while the particles are maintained in dispersion and heated, with controlled and highly efficient application of heating energy. At least partial fusion occurs within at least the surfaces of the particles at high thermal efficiencies, while agglomeration of particles during fusion is inhibited.
    • 本公开描述了用于生产主体颗粒材料的方法,其包括固体,通常椭圆形的颗粒。 基于体积的平均粒径达25微米的不规则形状的进料颗粒通过施加力和/或流化剂分散在可燃气体混合物的至少一部分中。 然后将悬浮液中的颗粒的可燃混合物输送到至少一个火焰前沿,同时控制颗粒的附聚或再附聚。 在那里,混合物和悬浮颗粒均匀分布在混合物中高浓度的颗粒的表面上并通过火焰前沿。 该火焰前面和所产生的具有悬浮颗粒的火焰位于至少一个“无壁”区域中。 在这样的区域中,火焰可以在颗粒保持分散和加热的同时膨胀,同时控制和高效地施加加热能量。 在高热效率下,在颗粒的至少表面内发生至少部分熔融,而在熔化期间粒子的聚集被抑制。
    • 130. 发明授权
    • At least partly fused particulates and methods of making them by flame
fusion
    • 至少部分熔融的颗粒和通过火焰熔融制成它们的方法
    • US6045913A
    • 2000-04-04
    • US741745
    • 1996-10-31
    • Richard B. Castle
    • Richard B. Castle
    • B01J2/16B01J6/00B01J8/18C03B19/10C03C12/00B32B5/16
    • B01J2/16B01J6/005B01J8/18C03B19/102C03C12/00Y02P40/57Y10T428/2991Y10T428/2993
    • The disclosure describes methods for producing bulk, particulate material that includes solid, generally ellipsoidal particles. Irregularly shaped feed particles with average particle sizes of up to 25 microns on a volume basis are dispersed in at least a portion of a combustible gas mixture by application of force and/or fluidizing agents. The combustible mixture with particles in suspension is then delivered, while controlling agglomeration or re-agglomeration of the particles, to at least one flame front. There, the mixture and suspended particles are uniformly distributed across the surface(s) of and passed through the flame front(s) with a high concentration of particles in the mixture. This flame front and the resultant flame(s) with suspended particles are located in at least one "wall free" zone. In such zone(s) the flame(s) may expand while the particles are maintained in dispersion and heated, with controlled and highly efficient application of heating energy. At least partial fusion occurs within at least the surfaces of the particles at high thermal efficiencies, while agglomeration of particles during fusion is inhibited.
    • 本公开描述了用于生产主体颗粒材料的方法,其包括固体,通常椭圆形的颗粒。 基于体积的平均粒径达25微米的不规则形状的进料颗粒通过施加力和/或流化剂分散在可燃气体混合物的至少一部分中。 然后将悬浮液中的颗粒的可燃混合物输送到至少一个火焰前沿,同时控制颗粒的附聚或再附聚。 在那里,混合物和悬浮颗粒均匀分布在混合物中高浓度的颗粒的表面上并通过火焰前沿。 该火焰前面和所产生的具有悬浮颗粒的火焰位于至少一个“无壁”区域中。 在这样的区域中,火焰可以在颗粒保持分散和加热的同时膨胀,同时控制和高效地施加加热能量。 在高热效率下,在颗粒的至少表面内发生至少部分熔融,而在熔化期间粒子的聚集被抑制。