Process for reheating and conveying a granular heat carrier

Details Process for reheating and conveying a granular heat carrier Process for reheating and conveying a granular heat carrier

1983-09-08

1986-05-27

Camby, John J.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

34 10, 432197, F27B 1500, F26B 308

Patent

active

045913358

ABSTRACT:
In reheating and conveying a granular heat carrier, such as sand, which is transportable by a gas and is used for desorption by heating a charged lumpy adsorber, such as activated carbon pellets, the sand is passed upwardly in a cylindrically shaped pipe element in the form of a fluidized bed. The sand is heated during its upward passage through the fluidized bed. Air introduced into the lower part of the pipe element is used as the fluidizing medium and also as combustion air. Further, fuel is supplied into the lower part of the pipe element. From the upper end of the pipe element, the heated sand flows downwardly by gravity to a sand separator, where it is separated from flue gas, into a desorber where it is contacted by the absorbent and then into a device for separating the sand and the adsorbent so that the sand can be returned into the lower end of the pipe element.

REFERENCES:
patent: 4153411 (1979-05-01), Isheim
patent: 4389381 (1983-06-01), Dinovo

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