Heat Exchangers and Boiler Components

A cooling tower is a device that rejects waste heat to the atmosphere through the cooling of a coolant stream, usually a water stream, to a lower temperature.

Economizers (US and Oxford spelling), or economisers (UK), are mechanical devices intended to reduce energy consumption, or to perform a useful function such as preheating a fluid.

In systems involving heat transfer, a condenser is a heat exchanger used to condense a gaseous substance into a liquid state through cooling.

A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam.

An air preheater is any device designed to heat air before another process (for example, combustion in a boiler), with the primary objective of increasing the thermal efficiency of the process.

A heat pipe is a heat-transfer device that employs phase transition to transfer heat between two solid interfaces.

A supercritical steam generator is a type of boiler that operates at supercritical pressure and temperature, frequently used in the production of electric power.

A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump.

A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop units or in the exhaust gases of an industrial process, in order to recover the heat energy.

A surface condenser is a water-cooled shell and tube heat exchanger installed to condense exhaust steam from a steam turbine in thermal power stations.

A heat exchanger is a system used to transfer heat between a source and a working fluid.

A recuperator is a counter-flow energy recovery heat exchanger that recovers waste heat in the supply and exhaust air streams of an air-handling system or in the exhaust gases of an industrial process.

A regenerative heat exchanger, or more commonly a regenerator, is a type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid.

A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler.

A boiler is a closed vessel in which fluid (generally water) is heated.

A deaerator is a device that is used for the removal of dissolved gases like oxygen from a liquid.

A heat recovery steam generator (HRSG) is a heat exchanger that recovers heat from a hot gas stream, such as waste gas from combustion turbine.