Heating – Shaft type – Having combustion products generated in or fed to shaft
Patent
1979-01-15
1981-02-24
Yuen, Henry C.
Heating
Shaft type
Having combustion products generated in or fed to shaft
432 99, 432101, 416 96R, F27D 108
Patent
active
042525217
ABSTRACT:
A furnace is disclosed for the heat treatment of mainly lumpy to fine grained material. The furnace is either a shaft furnace or a rotary furnace for the calcination or sintering of limestone, dolomite or magnesite. The calcination material passes through a preheating zone, a calcination zone and a cooling zone. The calcination zone has a gas feed and gas withdrawal device. A calcination device is provided in the calcination zone to which is connected a gas conveying device for the production of a hot gas circulation. The hot gas circulation device is situated between the gas withdrawal device and the calcination device and is provided as a conveying blower subjected to a cooling liquid.
REFERENCES:
patent: 1713237 (1929-05-01), Morin
patent: 2345067 (1944-03-01), Osann
patent: 2393963 (1946-02-01), Berger
patent: 2455313 (1948-11-01), Osofsky
patent: 2778601 (1957-01-01), Eckert
patent: 2883151 (1959-04-01), Dolida
patent: 2948521 (1960-08-01), Heiligenstaedt
patent: 2952441 (1960-09-01), Jones
patent: 3311344 (1967-03-01), Yost
patent: 3544096 (1970-12-01), Buchner
Klockner-Humboldt-Deutz AG
Yuen Henry C.
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