The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 1976
Filed:
Dec. 20, 1973
Bobby O Bowers, Paden City, WV (US);
Stanley F Brzozowski, Coraopolis, PA (US);
PPG Industries, Inc., Pittsburgh, PA (US);
Abstract
Apparatus for chlorinating metal-bearing materials, e.g., titaniferous ores, to produce metal halide, e.g., titanium tetrachloride. The apparatus comprises a cylindrical furnace having an interior portion providing a chlorination zone and a floor adjacent the lower portion of the chlorination zone. The floor contains a plurality of perforations extending the thickness of the floor, which perforations define a gas channel extending from a chlorine chamber located below the floor to a point of discharge in the chlorination zone. The perforations preferably contain gas distributor tubes having a gas bore in open gas communication with the perforations in the floor. The opening in the perforation or gas distributor tube is a single vertical opening, at least one principal linear dimension of the vertical opening, measured across the opening, being not greater than 7/32 inch. Means for introducing chlorine into the chlorine chamber and means for withdrawing reaction products from the shaft furnace are provided. Preferably the vertical opening has a cross-sectional area at the point of gas discharge of from about 0.00019 inch.sup.2 to about 0.038 inch.sup.2.