Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1980-01-28
1982-08-03
Rubinson, Gene Z.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
209144, 55459R, 219 7321, B23K 918, B04C 300, B04C 900, B01D 4516
Patent
active
043428975
ABSTRACT:
A recovery type flux feeding assembly is disclosed. The assembly includes a virgin flux hopper and a waste flux hopper with a flux feed conduit connected to the bottom of the waste flux hopper. The hoppers are separated by a drop stop which selectively permits flux from the virgin flux hopper to enter the waste flux hopper so that the flux exiting through the flux feed is a mixture of the two. A flux return assembly consists of a flux recovery port positioned adjacent the waste flux from the weld, a cyclone attached to the top of the waste flux hopper and a conduit connecting the two. An air injector injects air into a midpoint of the conduit between the flux recovery port and the cyclone so that the cyclone is kept at a positive pressure and the waste flux therein is not sucked out. Conduits are included between the tops of the hoppers for equalizing the pressures therebetween. In one embodiment, the virgin flux hopper surrounds and is entirely above the waste flux hopper while in another embodiment the two are adjacent and on substantially the same level.
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Murai Ryuji
Nagashima Masashi
Ogata Yoji
Soga Mitsurou
Watanabe Toshihiko
George Keith E.
Kobe Steel Limited
Rubinson Gene Z.
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