Method and apparatus for the production of industrial lead oxide

Details Method and apparatus for the production of industrial lead oxide Method and apparatus for the production of industrial lead oxide

1983-02-16

1985-08-20

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

422 49, 422109, 422150, C21C 700

Patent

active

045363854

ABSTRACT:
A method and an apparatus for the production of industrial lead oxide involving mixing molten lead and air in a reactor. A particularly advantageous, having a desired particle size can be obtained with a PbO content of considerably more than 99%. The lead flow is introduced at a constant and even rate and the air flow is altered very slightly in order to maintain the pre-determined reaction temperature having fluctuations of a maximum of .+-.5.degree. C.
The constant and steady infeed of the lead flow is achieved by using an apparatus according to the invention. The apparatus, which is situated above the reactor, includes a supply vessel charged with molten lead from a melt container, the supply vessel having an exchangeable nozzle which is provided with a control-operated cleaning pin. The nozzle extends into a reaction space and the supply vessel is connected to the melt container via a feed line and an overflow. The nozzle can also be of a known spray nozzle type which is fed with heated compressed air via a line running through the said melt container.

REFERENCES:
patent: 988963 (1911-04-01), Barton
patent: 1156079 (1915-10-01), Holley
patent: 1779003 (1930-10-01), Knapp et al.
patent: 2112189 (1938-03-01), Beyersdorfer
patent: 3322496 (1967-05-01), Vahrenkamp et al.
patent: 3791813 (1974-02-01), Ramachandran et al.

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