Liquid heaters and vaporizers – Stand boiler – Heated by liquid or steam
Patent
1979-09-14
1982-01-12
Wayner, William E.
Liquid heaters and vaporizers
Stand boiler
Heated by liquid or steam
110234, 126361, 126 74, 122136R, F22B 500
Patent
active
043099653
ABSTRACT:
A stove or furnace for efficient combustion of wood fuel includes a vertical feed combustion chamber (15) for receiving and supporting wood fuel in a vertical attitude or stack. A major upper portion of the combustion chamber column comprises a water jacket (14) for coupling to a source of water or heat transfer fluid for convection circulation of the fluid. The locus (31) of wood fuel combustion is thereby confined to the refractory base of the combustion chamber. A flue gas propagation delay channel (34) extending laterally from the base of the chamber affords delayed travel time in a high temperature refractory environment sufficient to assure substantially complete combustion of the gaseous products of wood burning with forced air prior to extraction of heat in heat exchanger (16). Induced draft draws the fuel gas and air mixture laterally through the combustion chamber and refractory high temperature zone to the heat exchanger and flue. Also included are active sources of forced air and induced draft, multiple circuit couplings for the recovered heat, and construction features in the refractory material substructure and metal component superstructure.
REFERENCES:
patent: 248496 (1881-10-01), Neahous
patent: 413039 (1889-10-01), Eaton
patent: 1468561 (1923-09-01), Friend
patent: 2327339 (1943-08-01), Chandler
patent: 3999709 (1976-12-01), Estabrook
patent: 4102279 (1978-07-01), Groschl et al.
Bennett Henry
Board of Trustees of the University of Maine
Kane, Jr. Daniel H.
Wayner William E.
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