Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1976-05-14
1978-09-05
Vertiz, O. R.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
423454, 423458, C01B 3102, C09C 148
Patent
active
041120604
ABSTRACT:
The hydrocarbon material to be decomposed and the combustion-supporting gas, such as air, are conditioned before admission to the reaction chamber to provide formation of carbon black under conditions highly controllable as to output product properties, particularly with reference to the hydrocarbon-air ratio. The air is conditioned by pre-heating in a heat exchanger, liquid hydrocarbon raw material is conditioned by pre-heating, pressurizing, pressure regulation, flow rate regulation and, finally, spray atomizing in ante-chambers distributed across the cross section of the combustion chamber and housed in a removable header on the intake side of the reaction chamber, whereas gaseous hydrocarbon raw material is conditioned for the process by control-mixing, pre-heating and diffusion in the aforesaid ante-chambers. A gas-fueled heater is provided for preliminary warming up of the reaction chamber to a temperature sufficiently high for partial combustion of the reagents. The reaction chamber exit connects through a short transition section with expansion relief valves to a smoke cooler and then directly to a heat exchanger for pre-heating the combustion air from which the reaction products proceed to a cyclone separator followed by a filter separator. A damper in the exit stack controls the somewhat sub-atmospheric pressure in the reaction chamber in cooperation with the controls for the rate of supply of the inputs. The reaction product temperature does not exceed 1200.degree. C.
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Etablissement Gelan
Straub Gary P.
Vertiz O. R.
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