Fine fuel delivery system with remote drying and on site storage

Furnaces – Process – Burning pulverized fuel

Patent

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Details

110224, 110232, 110263, 414133, F23D 100

Patent

active

045720860

ABSTRACT:
A system and method of delivering dried fine fuel. Moist coal is extracted from a source and initially dried to a moisture content of five percent by a gas fired dryer plant. The initially dried fuel is then transported to a central processing site whereat the coal is pulverized and further dried and fed to a storage silo. Tractor-trailers receive the dried fine coal from the storage silo and transport same to the end user's site. The trailer is disconnected from the tractor and is utilized as a storage tank as the coal is withdrawn therefrom on an as-needed basis. A fuel injector coupled to a variable rate feeder is utilized in one embodiment to convey the dried fine fuel from the trailer to the burner.

REFERENCES:
patent: 3229651 (1966-01-01), Wasp
patent: 3834568 (1974-09-01), Larson et al.
patent: 4059060 (1977-11-01), Gambs et al.
patent: 4084545 (1978-04-01), Nack et al.
patent: 4373451 (1983-02-01), Gardner et al.
patent: 4397248 (1983-08-01), Mehta et al.

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