Atomizer nozzle

Details Atomizer nozzle Atomizer nozzle

1998-05-21

2000-08-01

Buttner, David

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Removing and recycling removed material from an ongoing...

261 76, 261 782, 239405, 239406, 2394245, 239429, 239432, C08F 201, C08F 234

Patent

active

060968397

ABSTRACT:
A continuous gas fluidized bed process for the polymerization of an olefin monomer, especially ethylene, propylene, or mixtures of these with other alpha-olefins, wherein monomer-containing recycle gas employed to fluidize the bed is cooled to condense out at least some liquid hydrocarbon. The condensed liquid, which can be a monomer or an inert liquid, is separated from the recycle gas and fed directly to the fluidized bed, through a gas-induced atomizer nozzle, to produce cooling by latent heat of evaporation. The nozzle is provided with a mechanical device within the liquid inlet of the atomizing chamber, that preatomizes the liquid so that the nozzle requires reduced amounts of gas compared with conventional gas-induced atomizer nozzles.

REFERENCES:
patent: 4293298 (1981-10-01), Bergkvist
patent: 4349156 (1982-09-01), Haruch et al.
patent: 4434049 (1984-02-01), Dean et al.
patent: 4460330 (1984-07-01), Asai et al.
patent: 5240183 (1993-08-01), Bedaw et al.
patent: 5541270 (1996-07-01), Chinh
patent: 5553785 (1996-09-01), Haruch
patent: 5732885 (1998-03-01), Huffman

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