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US 2009/0149611 A1Published application
Powder transfer device and polyolefin production process
AssigneeSumitomo Chemical Company, Limited
InventorsHiroyuki OGAWA, Hideki SATO
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Abstract
The present invention provides a powder transfer device that has a simple construction, yet enables the powder discharge rate to be easily controlled, as well as a polyolefin powder production process using such a powder transfer device. A powder transfer device includes a downcomer which extends downward, and a gas slider situated below the downcomer. The gas slider has, on a side thereof facing an opening at a bottom end of the downcomer, a gas dispersion plate in which a plurality of gas outlets are formed.
Claims4
A powder transfer device comprising:
- a downcomer which extends downward;
- and
- a gas slider situated below the downcomer,
- wherein the gas slider has, on a side thereof facing an opening at a bottom end of the downcomer, a gas dispersion plate in which a plurality of gas outlets are formed.
1 more element
Dependencies are inferred from the claim text.