HYDROCARBON FEEDSTOCK PROCESSING PLANT Russian patent published in 2008 - IPC C10G11/10 C10G35/04 B01D3/14 

FIELD: petroleum processing.

SUBSTANCE: invention relates to low-capacity hydrocarbon feedstock (petroleum, stabilized gas condensate, and the like) processing plants involving liquid-phase oxidative catalytic cracking, dehydrogenation, isomerization, and aromatization in heterogeneous catalyst bed. More particularly, invention concerns plant for liquid-phase oxidative catalytic cracking of hydrocarbon feedstock consisting of feed vessel to prepare feedstock connected via pipelines provided with shutoff means, through reactor producing gasoline fraction, to reactor producing diesel fuel fraction and black oil fuel, to heat-exchangers wherein gasoline vapor-gas fractions and diesel fuel are condensed and black oil fuel is cooled, to liquid fraction storage tanks, and to pumps supplying hydrocarbon feedstock and those removing gasoline, diesel fuel, and black oil fuel from the plant. Feed vessel for preparing feedstock incorporates grate throughout its surface and distribution system, through which air is supplied to activate hydrocarbon feedstock. Structures of gasoline and diesel fuel production reactors are of the same type, contain electrical heaters to heat hydrocarbon feedstock in lower reactor zone and contain three fixed beds. To dispose middle bed of heterogeneous catalysts, there is a mounted block in the form of two-way heat-exchanger wherein tube space is filled with catalyst granules, through which hydrocarbon feedstock from the tube plate enters as descending flow lower catalyst bed, while vapor-gas phase enters as ascending flow upper catalyst bed.

EFFECT: simplified structure, reduced metal usage, increased reliability and economical efficiency of plant, prevented thermal decomposition of hydrocarbon feedstock and cocking on catalyst surface, and enabled switch of plant to process different types of hydrocarbon stock without assembling operations.

2 cl, 1 dwg