Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization
Patent
1978-12-04
1980-12-09
Scovronek, Joseph
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Organic polymerization
137540, 137541, 239453, 422242, 422310, 526 86, 5263522, B01J 304, B05B 132, C08F 200, C08F11002
Patent
active
042384532
ABSTRACT:
A catalyst spray nozzle for injecting a finely atomized spray of liquid catalyst into a high pressure chemical reactor such as an autoclave reaction vessel for polymerizing ethylene into polyethylene. The liquid catalyst is fed under pressure to the discharge end of a passageway in the spray nozzle. A cylindrical valve member is positioned in a cylindrical compartment disposed adjacent to and coaxially with the discharge end of the passageway, and is biased against the discharge end by a spring coaxially positioned in the compartment. The spring biased valve element prevents liquid catalyst from passing through the nozzle until a given backpressure on the catalyst is established. When the given backpressure is reached, the pressure biases the valve member away from the passageway and the catalyst is forced through at least one discharge orifice under sufficient pressure to cause it to be sprayed in a finely atomized state into the reactor. A second embodiment is also disclosed in which belleville washers are utilized to bias the valve element closed against the discharge end of the passageway.
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Blades et al., Application Ser. No. 8354, filed Feb. 3, 1970, Laid open to public inspection on Mar. 16, 1971, as noted at 884 O. G.733.
National Distillers and Chemical Corporation
Scovronek Joseph
Tremain Kenneth D.
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