Fluent material handling – with receiver or receiver coacting mea – Processes – Battery grid pasting
Patent
1981-09-25
1984-02-28
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Processes
Battery grid pasting
141286, 141392, 239681, 414301, B65B 104
Patent
active
044337078
ABSTRACT:
Method and apparatus are disclosed for evenly loading each level of a bed catalyst in a reactor vessel. A cylindrical flow of catalyst particles is divided into one or more annular flow and a smaller cylindrical flow. Each portion of the divided flow is distributed simultaneously to a different radial distance from the center of the vessel so that the catalyst bed is evenly filled at each level. In the apparatus embodiment, a distributor rotor includes a plurality of discs driven by a common drive shaft. Each upper disc is formed with a hub that is radially displaced from the shaft sufficiently to intercept one annular portion of the divided catalyst flow. The upper discs are in each case greater in diameter than the next lower disc so that the peripheral velocity of the disc and the catalyst distributed thereby is greater than the next lower disc. In this way two or more areas are simultaneously filled at each level. This avoids the necessity for changing the speed of a single distributor disc alternately to overfill the vessel at different radial distances from the center and either visually or by calculation determining that the filling is relatively level. Further, it avoids the accompanying problem of radial size classification of catalyst particles.
Bell, Jr. Houston S.
Chevron Research Company
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