FIELD: oil and gas industry.
SUBSTANCE: invention refers to method and device (10) for catalytic cracking in pseudo liquefied layer and includes injecting of hydrocarbon material into reactor riser (20) in different points of riser radius, at least two spreaders (12) mounted in different radial positions; note that each of the said two spreaders has, at least, one hole (14); at least one hole in each of the two spreaders has different radial location in reactor riser; at least one hole of at least two spreaders is located in specified reactor riser in different radial position and at least one hole of one of the said two spreaders is separated from circular wall by distance equal to at least 10% of the specified diameter and measured from the closest wall area.
EFFECT: material injecting in different points of riser radius in larger catalytic cracking machines in pseudo liquefied layer can improve material dispersion and mixing process efficiency.
10 cl, 11 dwg
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