Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1988-04-15
1989-08-01
McDowell, Robert
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 05AA, 266186, C22B 520
Patent
active
048530301
ABSTRACT:
A method and apparatus for the manufacture of metallic filaments is provided. The method and apparatus are used in the continuous manufacture and production of metallic filaments. The apparatus comprises a vertical reactor having a vertical chamber and having three mixing nozzles disposed at the top of the chamber and three vapor lines connecting to the respective three mixing nozzles along the axes of the nozzles, and three gas lines connecting to the respective three mixing nozzles in respective tangential directions. The apparatus also has twelve ring magnets, which are coaxially disposed, and which are mounted on the outside of the vertical ractor. The apparatus also has an outlet duct at the bottom of the chamber. The three vapor lines are supplied through three respective steam-heated heat exchangers from a feed vessel for supplying iron pentacarbonyl vapor to the mixing nozzles. The three gas lines are supplied from a nitrogen receiver tank. Three secondary gas lines, which connect to the top of the reactor, are also supplied by the nitrogen receiver tank. The method of manufacture includes feeding the iron carbonyl vapor to the mixing nozzles, feeding the nitrogen to the mixing nozzles and to the top of the vessel, providing a coaxial magnetic field, and continuously carrying away a continuous supply of iron filaments.
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Gershenson Moshe
Schell Thomas
GAF Corporation
Lagani Jr. Anthony
Laughlin Richard T.
McDowell Robert
Ward Joshua J.
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