Catalytic cracking distillation water integration
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Water circulation is carried out in the various side streams of the catalytic cracking fractionator; water is pumped into the top circulation system by a crude gasoline pump, and since this top circulation system can operate with water circulation, how can the other side streams achieve water circulation? Thank you
The crude gasoline pump is merely a water inlet pump; the vapor system at the top of the splitter tower cannot be operated in conjunction with water. The light diesel system uses lean and rich absorbent oils to return to the fractional distillation tower. The first and second intermediate oils are extracted through the normal process and recycled back to the tower. The raw materials, reprocessed oil, and slurry systems are connected via a three-path circulating water system.
At the top, water is supplied at the heavy gasoline pump; in the middle section, water is supplied via a cross-line connection using oil slurry and light diesel, and the oil slurry system uses the boiler’s water supply through a cross-line connection for hot water washing!