The Principle of Waste Heat Recovery Heat Exchangers

May 14, 2026 Leave a message

A waste heat recovery heat exchanger is a highly efficient heat exchange device. Its main function is to recover waste heat generated during industrial production processes and use it to heat other media or generate steam. Its working principle is based on both heat conduction and convection heat transfer. When two fluids at different temperatures pass through the two sides of the heat exchanger, the heat from the higher-temperature fluid is transferred to the lower-temperature fluid, thus achieving heat transfer and reuse.

In waste heat recovery heat exchangers, high-temperature media such as industrial waste gas and wastewater are typically used as heat sources. The heat is transferred to cooling water or other low-temperature media through the heat exchanger. This not only lowers the temperature of the high-temperature media to meet environmental emission standards but also raises the temperature of the low-temperature media to meet heating needs in the production process, thereby achieving energy recycling.

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