A Kettle Reboiler Heat Exchanger is a specialized type of shell and tube heat exchanger. It is used for efficient vapor-liquid separation and consistent thermal transfer in continuous operations. Widely used in oil refineries, chemical plants, and power stations, these systems feature an oversized horizontal shell (the "kettle") that acts as a reservoir for boiling or condensing fluid... https://www.finfancooler.com/Heat-Exchanger/Kettle-Reboiler-Type-Heat-exchanger/