HIGH-EFFICIENCY ENHANCED BOILER

摘要

The invention provides high-efficiency heat transfer devices and apparatuses In one embodiment, the invention includes a vessel capable of containing the heat transfer medium, a conduit extending through a wall of the vessel, the conduit having a first surface for contacting the heat transfer medium and a second surface for contacting a fluid within the conduit, a helical member residing around and along a length of the first surface of the conduit capable of angularly directing a flow of the heat transfer medium along the first surface of the conduit; and a plurality of fins helically arranged adjacent the helical member, each fin extending through a wall of the conduit and being capable of directing at least a portion of the heat transfer medium to an area within a radius of the conduit.