FOERFARANDE OCH ANORDNING FOER OEVERFOERANDE AV VAERME FRAON EN FASTIGHETS AVLOPPSVATTEN

摘要

Method and apparatus for transferring heat by means of a heat transferring medium from a waste water vessel (1) to a fresh water vessel (7) located above the waste water vessel, wherein the heat pipe principle is utilized. The waste water is supplied (arrow A) to the waste water vessel in such a way that substantially undisturbed zoning of the waste water in the vessel is maintained with an upper layer zone of waste water that is warmer than the lower layer zone and heat being transferred from the waste water to the heat transferring medium in said layer zones independently of each other.