Drying and gas or vapor contact with solids – Apparatus – With waste gas heat and/or power conservers
Patent
1976-07-19
1978-08-15
O'Dea, William F.
Drying and gas or vapor contact with solids
Apparatus
With waste gas heat and/or power conservers
34133, 110204, 165128, 110216, F26B 1900
Patent
active
041062140
ABSTRACT:
A heat reclaimer for use with a gas clothes dryer of the type including a rotary drum. The dryer includes a housing in the upper portion of which is a gas burner chamber. The heat generated in the gas burner is moved downwardly through the rotary drum by a blower mounted in the lower portion of the housing then out a discharge stack. The heat reclaimer includes a downwardly open conduit located centrally in the stack and recirculating a portion of the air from the stack back into the gas burner chamber, on the opposite side of the burner and on the downstream side of the heated air passage from the burner to the clothes dryer. An inverted deflector cone is mounted at the lower end of the conduit. The discharge stack has an enlarged diameter at the portion of the stack which contains the conduit. The junction of the conduit and the gas burner chamber is in the form of a long narrow slot to better mix the recirculating air with the air in the gas burner chamber. The normal make-up air openings into the housing and gas burner chamber are partially blocked off in favor of the heated air from the heat reclaimer by a plate.
REFERENCES:
patent: 1014573 (1912-01-01), Davis
patent: 1131944 (1915-03-01), O'Neil
patent: 2224760 (1940-12-01), Carter
patent: 3157391 (1964-11-01), Angelone
patent: 3232591 (1966-02-01), Wiley, Jr.
patent: 3859735 (1975-01-01), Katterjohn, Jr.
patent: 3959892 (1976-06-01), Cloud et al.
patent: 3969070 (1976-07-01), Thompson
O'Dea William F.
Spray Robert A.
Yuen Henry C.
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