Delayed coking unit
Delayed coking unit and flexible coking unit include diesel absorption tower, gasoline absorption tower, desorber, fractionator, stabilizer, vent tower, reactor scrubber, diesel stripper, coking heavy wax oil stripper, coking light wax oil stripper, slurry stripper, primary contact cooling tower, secondary contact cooling tower, flexible gas desulfurization tower, Flexsorb solvent regeneration tower, etc., covering packed tower and plate tower, mainly plate tower, The main internal components involved include metal bulk packing, coalesced packing, liquid distributor, liquid collector, packing grid, packing grid support, tray assembly (float valve, tray plate, downcomer, receiving tray, liquid seal disk and corresponding support beam), oil collecting tank, gas-liquid feed distributor, distribution pipe, bolts, nuts, clips, washers and other fasteners.
● Main tray assembly
(1) Single and double overflow trays - single overflow tray/double overflow tray
(2) Combined guide float valve