Manufacture of carbon black

Claim 1

IN THE PROCESS FOR PRODUCING FURNACE BLACK BY DECOMPOSING HYDROCABONS IN WHICH THE HYDROCARBONS TO BE DECOMPOSED ARE FORCEFULLY INJECTED INTO AND INTIMATELY MIXED WITH A TURBULENT STREAM OF HOT BLAST FLAME GASES FLOWING AT HIGH LINEAR VELOCITY THROUGH AN UNOBSTRUCTED AND UNCONSTRICTED REACTION CHAMBER, THE IMPROVEMENT WHICH COMPRISES PASSING THE HOT BLAST FLAME GASES AS A TURBULENT STREAM OF SUBSTANTIALLY UNIFORM COMPOSITION AND LINEAR VELOCITY THROUGH A RELATIVELY NARROW REACTION CHAMBER OF RECTANGULAR CROSS-SECTION, NOT EXCEEDING 1 1/2 FEET IN WIDTH AND OF SUBSTANTIALLY GREATER LENGTH, FORCEFULLY INJECTING THE HYDROCARBONS TO BE DECOMPOSED INTO THE STREAM OF BLAST FLAME GASES AS A PLURALITY OF STREAMS NOT EXCEEDING 3/4 INCH AND NOT LESS THAN 1/4 INCH IN DIAMETER UNIFORMLY SPACED ALONG THE ENTIRE HEIGHT OF EACH SIDE OF THE CHAMBER, EACH STREAM BEING DIRECTED ACROSS THE WIDTH OF THE CHAMBER AND NEAR AND EQUIDISTANT FROM THE UPSTREAM END OF THE CHAMBER, THE RATIO OF THE MASS VELOCITY OF THE MAKE GAS STREAMS TO THE MASS VELOCITY OF THE BLAST FLAME GASES BEING WITHIN THE RANGE OF 3:1 TO 10:1.