Heat recovery from waste water, heat exchanger details

摘要

This patent of addition to main patent 314983 relates to installation of the first heat exchanger having body wall 32 being installed vertically so that waste water flows down a wall to transfer heat from outgoing waste water to incoming fresh water. Typically the waste water falls as a film on the inside of the body wall 32. This application also relates to a heat exchanger for cooling the refrigerant compressor and transferring heat to further heat incoming fresh water. Typically fresh water tubing is wrapped around the base of compressor 4.