Vapor phase polymerizer

Details Vapor phase polymerizer Vapor phase polymerizer

B - Operations, Transporting

01

J

B01J 8/24 (2006.01)

Patent

CA 2337582

Disclosed is a vapor phase polymerizer comprising a fluidized bed reactor in which a gaseous monomer is to be blown from a bottom thereof through a distributor plate while a solid catalyst for polymerization is fed thereinto to thereby form a fluidized bed so that a vapor phase polymerization reaction is carried out in the fluidized bed to thereby produce a polymer or copolymer, wherein: the vapor phase polymerizer further comprises: a gas discharge port, disposed at a top of the fluidized bed reactor, for discharging the gaseous monomer that has not reacted; a gas recycling path connected to the gas discharge port and extending to a bottom of the fluidized bed reactor; a heat exchanger arranged in the gas recycling path; and a blower arranged downstream of the heat exchanger in the gas recycling path. By using the polymerizer, clogging of a gas recycling pipe due to condensate of the unreacted monomer containing powder of the polymer and other problems may be avoided.

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