heat exchanger reboiler

Titanium Reboiler

A reboiler, analogous to a condenser, is vital for revaporizing liquids. Often paired with fractional towers, it's a specialized heat exchanger enabling thermal exchange and vaporization space. Positioned at the tower's liquid level, it admits liquid from below. Around 25-30% of the liquid phase vaporizes within, and resulting vapor-liquid flow returns to the tower. Gas ascends via plates, while liquid descends to the base. As material heats and vaporizes, density drops, creating vaporization space, facilitating smooth return to the tower, aiding efficient vaporization and liquid-phase separation.

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Titanium Reboiler Specification

Pressure Vessel Class


Designing pressure

0.1Mpa for tube, 0.88Mpa for shell

Pressure-tight test

0.13Mpa for tube, 1.22Mpa for shell

Designing temperature

100℃ for tube, 185℃ for shell

Max working pressure

0.03Mpa for tube, 0.8Mpa for shell.

Heat exchange area



EAC for tube, steam for shell

Tube material


Shell material

carbon steel




This equipment is used for material heating in fine chemical plants in Canada, wall-type heat exchange, and belongs to the first-grade pressure vessel.

Reboiler Working Principle

The reboiler, as the name suggests, make the liquid vaporize again. Its structure is similar to the condenser, but one is used to cool down, and the re-boiling device is used to heat and vaporize.

The reboiler is mostly combined with the fractional tower: The re-boiler is a special heat exchanger that can exchange calories and has a vaporization space. The material liquid level and the fractional tower liquid level in the reboiler are at the same height. Provide liquid phase from the bottom line to enter the re-boiling device. Usually 25-30%of the liquid phase is vaporized in the re-boolizer. The two-phase flow of vaporization was returned to the fractional tower, and the gas group returned to the tower was divided into upward through the tower plate, and the liquid phase group was divided into the bottom of the tower.

The material is heating or even vaporization in the reboiler device, and the density becomes smaller, so as to leave the vaporization space, return to the tower smoothly, return to the two phases of the gas liquid in the tower, the gas phase is upward through the tower plate, and the liquid phase will fall to the bottom of the tower. Due to the effects of static pressure, the bottom of the tower will continue to supplement the part of the liquid level that has been evaporated.

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Changsheng Titanium Offers Wide Ranges of Titanium Products and Alloys
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