Heat reclamation apparatus

Details Heat reclamation apparatus Heat reclamation apparatus

1990-05-21

1991-04-16

Yuen, Henry C.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432100, 432206, 432207, F27D 108

Patent

active

050078259

ABSTRACT:
The apparatus herein comprises a kettle for calcining particulate material and a surrounding furnace having a porous wall to pass heat of combustion into the kettle at one side and to permit evacuation of the products of combustion from an opposite side, and a control system to cycle the combustion and the evacuation of products of combustion between the opposite sides so that the side being evacuated becomes a heat sink to return the heat so retained therein upon the combustion cycle whereby the furnace structure is kept to a desirable level of temperature while the material in the kettle is at a significant higher temperature.

REFERENCES:
patent: 2574740 (1951-11-01), Hantman
patent: 2654589 (1953-10-01), Somogyi
patent: 2948521 (1960-08-01), Heiligenstaedt
patent: 2996292 (1961-08-01), Graf et al.
patent: 3887326 (1975-06-01), Townley
patent: 4008994 (1977-02-01), Numasaki et al.
patent: 4850861 (1989-07-01), Poroshia et al.

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