DEMACO SUBCOOLER

In most cryogenic infrastructures, some evaporation of liquid gas occurs. This results in a mixture of gas and liquid, which is not favorable for the infrastructure’s functionality, capacity, and operation.

Quality improvement products like a phase separator, degasser, automatic gas vent, and subcooler are widely used in cryogenic engineering for the discharge or re-condensation of evaporated gases.

The Demaco subcooler is used to cool liquefied gas in such a way that no gas bubbles are formed in the pipes during operation. This is achieved by cooling the inflow of the subcooler through a heat exchanger until the outgoing liquid has a lower temperature than the natural boiling point at the working pressure. In doing so, we make clever use of the natural temperature difference between liquid gases at different pressures.

In the subcooler, the pressurized liquid gas is passed through a heat exchanger into an atmospheric bath of liquid gas. Through this advanced heat exchange process, any evaporated gas bubbles in the liquid gas are re-liquefied, resulting in pure, high-quality liquid gas.

A subcooler is constructed from modular building elements and assembled into a single vacuum insulated unit. If desired, the unit can be enhanced with a temperature sensor for distant monitoring.

The functioning of the subcooler explained: