OIL COKE UPGRADING METHOD AND GAS REFRIGERATOR FOR COKE COOLING Russian patent published in 2015 - IPC C10B39/02 F27D15/02 F28C3/18 

Abstract RU 2548088 C2

FIELD: oil-and-gas industry.

SUBSTANCE: inventions can be used in oil-processing and coke-chemical industry. Oil coke is calcinated and then cooled in two stages. At the first stage coke is cooled down to the temperature 1000°C in the gas refrigerator at direct contact of hydrocarbon gas with the cooling coke. At the second stage coke is cooled in a water refrigerator down to the temperature 100°C. The gas refrigerator for coke cooling contains a rotating cylindrical drum of the type "pipe in pipe" with the internal pipe (13) perforated with longitudinal cracks (16) and with tubular annulus divided into sections by longitudinal partitions (14) inside which cooling hydrocarbon gas contacting directly with cooled coke through longitudinal cracks (16) is supplied.

EFFECT: inventions allow to decrease the content of sulphur and ashes in target coke, decrease thermal internal stresses of the refrigerator wall material, to provide reliability of operation of the second cooling stage refrigerator, to increase output of target coke fraction due to decrease of its fracturing.

2 cl, 2 dwg, 1 ex

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RU 2 548 088 C2

Authors

Rogachev Sergej Grigor'Evich

Glagoleva Ol'Ga Fedorovna

Kapustin Vladimir Mikhajlovich

Tjumenev Vladimir Amin'Evich

Dates

2015-04-10Published

2013-04-24Filed