Heat Exchanger To Recover Waste Heat From Centrifugal Compressors

Using a heat exchanger to recover waste heat from centrifugal compressors is a common and effective method to improve energy efficiency. Heat exchangers work by transferring heat from one fluid to another without the fluids mixing. In the case of recovering waste heat from centrifugal compressors, the heat exchanger can transfer the heat from the compressor discharge air to another fluid, such as water or air, which can then be used for various purposes. 

Types of Heat Exchangers:
Shell and Tube Heat Exchangers:

This is a common type of heat exchanger where one fluid flows through tubes while the other fluid flows over the tubes within a shell. The heat from the compressor discharge air is transferred to the fluid inside the tubes, which can be water, oil, or another heat transfer fluid.

Plate Heat Exchangers:

Plate heat exchangers consist of a series of plates with channels for the two fluids to flow between. The heat is transferred through the plates from the compressor discharge air to the other fluid.

Air-to-Air Heat Exchangers:

In some cases, the waste heat from the compressor can be used to preheat incoming air before it enters a building or an industrial process. Air-to-air heat exchangers transfer heat directly between two air streams.