Catalytic unit





Catalytic unit

The feedstocks for heavy oil catalytic cracking include atmospheric residue, vacuum residue and deasphalted oil from vacuum residue, including catalytic fractionator, light diesel oil stripper, absorber, desorber, reabsorber, stabilizer, etc., mainly plate tower, and the main internals involved include tray assembly (float valve, tray plate, downcomer, receiving tray, liquid seal tray and corresponding support beam), sump tank Gas liquid feed distributor and fasteners such as distributing pipe, bolt, nut, clip and washer.

● Main tray assembly

(1) Single, double and four overflow trays - single overflow tray/double overflow tray/four overflow tray

(2) Combined guide float valve


Catalytic unit

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