Development and demonstration of an electric heat pump for waste-heat recovery in industry. Preliminary design report
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A high-temperature heat pump is being developed for demonstration of waste-heat recovery in industry. The design of a prototypical unit to be used to recover heat from the vapor effluent of a thermomechanical pulping unit in a paper mill is outlined. The output capacity of the unit is 30 x 10/sup 6/ Btu/h in the form of process steam delivered at 50 psig with 20/sup 0/F superheat (318/sup 0/F). A functional description of the heat-pump system is given along with a thermodynamic analysis of the cycle. The various subsystems, controls, and major components are also described and a safety analysis presented.