F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
307/16, 327/72
F27B 1/16 (2006.01) F27D 99/00 (2010.01)
Patent
CA 1222789
ABSTRACT OF THE DISCLOSURE A method of and apparatus for effecting rapid, reliable and risk-free, pressure-tight connection of a plasma generator to a reactor, such as a shaft furnace for metal oxide reduction. First electrical contact means arranged on a plasma generator, substantially enclosed by a cover, automatically connect the plasma generator to stationary second contact means when the plasma generator is moved by remote-control to a fully installed operating position from a partially installed sealing position in which the plasma generator has its front end partially inserted in the reactor tuyere and seals the reactor. A remote-contro- lled valve, which seals the reactor from the surroundings when the plasma generator is in an outer completely retracted position, is opened once the plasma generator is in its sealing position, after which the plasma generator is moved to its operating position. Remote-controlled locking bars are caused to press and lock the plasma generator to the reactor in order to effect pressure-tight connection, and at the same time the locking bars connect the plasma generator to the return conductor to the current source, thus providing extra security against the current circuit being connected before a pressure-tight seal has been achieved.
450821
Astner Gunnar
Thornblom Jan
Westergen Orjan
Fetherstonhaugh & Co.
Skf Steel Engineering Ab
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