The isomerization unit primarily comprises a stabilizer column, an isohexane removal column, and an isopentane removal column, while the alkylation unit mainly includes a light hydrocarbon removal column, an isobutane removal column, and a n-butane removal column. These units predominantly utilize tray columns, with key internal components including tray assemblies (floating valves, tray decks, downcomers, receiving trays, liquid seal trays, and associated support beams), oil collection pots, gas–liquid feed distributors and distribution pipes, as well as fasteners such as bolts, nuts, clamps, and washers.

● Main tower tray assemblies

(1) Single- and Double-Overflow Tray – Single-Overflow Tray/Double-Overflow Tray

(2) Combined导向浮阀

(3) Distribution Manifolds – T-shaped Distribution Manifold/H-shaped Distribution Manifold

 

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