CIRCULATING FLUIDISED BED REACTOR WITH IMPROVED CIRCULATION Russian patent published in 2014 - IPC B01J8/34 C10G9/30 

FIELD: oil and gas industry.

SUBSTANCE: invention is related to a circulating fluidised bed reactor. The fluid coking reactor includes a soaking section with a dense bed representing a circle in horizontal section in regard to the vertical axis limited by the reactor wall where heavy oil is subject to thermal cracking, the basis area to which fluidising gas is introduced in order to fluidise a layer of fine solid coke particles in the soaking section, a variety of inlet rings for heavy oil places along perimeter of the reactor wall in the soaking section and at different height over the basis area, the upper are where gas and fine solid coke particles are outputted from the soaking section, a variety of partitions of truncated cone shape placed at different height in the soaking section with the dense bed above the reactor basis area, at that each partition is placed between a successive pair of heavy oil inlet rings and is turned away from its upper edge near the reactor wall passing downwards and radially inwards from the reactor wall up to the lower inner edge defining its central opening.

EFFECT: invention provides a better scheme of fluidised bed circulation and reduction of formed impurities.

17 cl, 4 dwg, 2 tbl, 6 ex