Electric heating – Metal heating – Of cylinders
Patent
1990-06-27
1992-09-01
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
219 1049, 219 1069, 219388, 219389, 219390, 219 1067, 34179, 34183, 432 98, 432139, 373138, 373164, H05B 664
Patent
active
051441080
ABSTRACT:
The kiln (1) for producing litharge has a thermally insulated tubular body (2) containing, throughout its length, a shaft (30) with paddles acting as an auger. The tubular body (2) is coaxial with an induction coil (11), which heats it. The raw material in powder form (i.e., the massicot) is charged at a first head (9) of the tubular body (2) and is moved forwards by the paddle shaft (30), until it reaches the second head (10), opposite to the first one (9). During the translation the material (massicot) is heated and is oxidated, being converted into litharge.
REFERENCES:
patent: 1538365 (1925-05-01), Willson
patent: 3961150 (1976-06-01), Lewis et al.
patent: 4039794 (1977-08-01), Kasper
patent: 4510363 (1985-04-01), Reynolds
patent: 4574182 (1986-03-01), Pescatore et al.
patent: 4797524 (1989-01-01), Moret et al.
patent: 4912301 (1990-03-01), McKinney et al.
Hoang Tu
Minemet Italia S.p.A.
Reynolds Bruce A.
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