Method for continuously manufacturing red lead

Details Method for continuously manufacturing red lead Method for continuously manufacturing red lead

1992-07-22

1993-07-13

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C01G 2102

Patent

active

052271501

ABSTRACT:
This invention relates to a method and apparatus to continuously manufacture red lead which is a primary material used to produce storage batteries, anticorrosion paint, glass, etc. In this method, lead monoxide and metal lead powder are continuously supplied from an inlet of a rotating inner cylinder which acts as a reaction chamber of a rotary kiln. The powder mixture proceeds toward the outlet of the kiln while it is oxidized into red lead. The yield of red lead, and the stable oxidation of raw material into red lead, can be accomplished by returning a part of the product powder available at the outlet to the inlet of the kiln.

REFERENCES:
patent: 1382282 (1921-06-01), Gabel
patent: 1770777 (1930-07-01), Haynes
patent: 1992395 (1935-02-01), Rose et al.
patent: 2233302 (1941-02-01), Aitken
patent: 4521399 (1985-06-01), McKinney
Inventor: Hiroshi Yasuda et al. Filing Date: Dec. 12, 1989.

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