Combustion – Fuel disperser installed in furnace – Disperser feeds into permeable mass – e.g. – checkerwork – etc.
Patent
1980-06-04
1983-07-12
Dority, Jr., Carroll B.
Combustion
Fuel disperser installed in furnace
Disperser feeds into permeable mass, e.g., checkerwork, etc.
432 48, 110245, F23D 1902
Patent
active
043928145
ABSTRACT:
This invention relates to a fluidized bed for use in heat treating articles, the bed having a container for containing a mass of refractory particles. The container has a porous base and a supply pipe for supplying a fluidizing gas to the underside of the porous base from which the gas will flow through the porous base and into the mass of refractory particles. The fluidizing gas flows through an adjustable control valve arranged in the supply pipe. There are also provided at vertically spaced positions above the upper surface of the porous base a pair of temperature transducers which are connected together to provide a signal which is dependent upon the difference in the temperatures at the vertically spaced positions, there being also provided power actuated means in the form of an electric motor which in use is arranged to receive the signal from the temperature transducers and then actuate the adjustable valve in accordance with the signal received.
REFERENCES:
patent: 3598374 (1971-08-01), Nauta
patent: 3884617 (1975-05-01), Virr
patent: 4193541 (1980-03-01), Scheidweiler
Can-Eng Holdings Limited
Dority Jr. Carroll B.
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