Thermal Vapor Recompression

Thermal Vapor Recompression

                  USA - Corn Stillage

As a way to reduce energy consumption, a thermocompressor which uses high pressure steam as a motive fluid is added to a typical steam heated evaporator.  The motive steam at approximately 150 psig enters the thermocompressor and expands as it passes through a diffuser.  This in turn entrains recycled vapor and discharges it at an intermediate pressure while providing a steam rate reduction.  Steam is once again the source of energy.  Economics and product characteristics determine the suitability of thermal vapor recompression operation.  This design provides improved steam economy with less costly equipment than straight steam heated designs but requires higher pressure steam.


Single Effect TRC (Thermal Vapor Recompression) diagram

Evap_diagram.jpgTriple Effect TRC diagram


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