Propylene oxide, ethylene oxide and ethylene glycol units
The propylene oxide unit mainly includes air scrubber, dehydration tower, crude PO tower, PO recovery tower, heavy tower, light tower, PO refining tower, solvent recovery tower, IBP recovery tower, IBP recovery tower II, light oil tower, oxidation tower, etc. The ethylene glycol unit includes diester tower, methanol recovery tower, absorption methanol recovery tower, carbonate concentration tower, carbonate tower, MN absorption tower, tail gas absorption tower, light component recovery tower, second dealcoholization tower Deathanol tower, waste gas absorption tower, delighting tower, ethanol delighting tower, ethanol refining tower, EO refining tower, drying tower, MEG separation tower, one effect glycol evaporator, two effect glycol evaporator, three effect glycol evaporator, four effect glycol evaporator, acetaldehyde tail gas stripper, etc. The main internal components involved include metal packing, liquid distributor, liquid collector, packing grid, packing grid support Tray assembly (float valve, tray plate, downcomer, receiving tray, liquid seal tray and corresponding support beam), oil collecting tank, gas-liquid feed distributor, distribution pipe, bolts, nuts, clips, washers and other fasteners.
● Structured packing - 250Y orifice corrugated packing/252Y orifice corrugated packing/rectangular saddle ring bulk packing