Heat generator for heating a fluid by heat exchange through a fl

Details Heat generator for heating a fluid by heat exchange through a fl Heat generator for heating a fluid by heat exchange through a fl

1984-02-09

1986-03-11

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

16510416, 431 7, 431170, F22B 100

Patent

active

045747431

ABSTRACT:
The enclosure of a generator comprises a combustion zone 1 surrounded at least partially by a heat exchange zone 2, the combustion zone comprising a premix chamber 25 having means for supplying with air at 12 and with fuel 10,11 and inert recycling particles coming from zone 2.
The premix chamber has mounted thereover a vertical duct 21 filled with a refractory stack 6 and comprises above the stack an opening 22 serving as overflow communicating with a vertical duct 4 situated outside duct 21 and opening into zone 2. The heat exchange zone 2 is formed as a dense fluidized bed zone and contains fluid circulation tubes 3. The vertical duct 21 serving as combustion hearth is filled with a fixed structure formed by a stack of several layers of spaced parallel bars, offset angularly from one layer to the next.

REFERENCES:
patent: 4240377 (1980-12-01), Johnson
patent: 4454838 (1984-06-01), Strohmeyer, Jr.

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