DEVICE FOR PREPARING HOT WATER, IN PARTICULAR FOR DOMESTIC APPLICATIONS

摘要

A device which is used for preparing hot water, in particular for domestic applications, by recovering heat from waste water, preferably waste water from a sink and/or a dishwasher or washing machine includes a heat pump having an evaporator and a condenser, and a waste water container which collects the waste water. The waste water container is placed in thermal contact with the evaporator and constructed as a cylindrical hollow body with a waste water inlet and a waste water outlet. A hot water reservoir is in thermal contact with the condenser. Accommodated in the hollow body of the waste water container is an agitating apparatus, and a valve is provided at the waste water outlet to cut a flow of waste water through the waste water outlet.