Furnaces – Ash receiving and handling devices – Fly ash disposers
Patent
1997-09-22
1999-09-21
Lazarus, Ira
Furnaces
Ash receiving and handling devices
Fly ash disposers
110168, 110169, 110165A, 110171, 110245, 432 58, 432 15, 16510416, 16510418, F23J 100, F23J 102, F28D 1300, F28D 1500
Patent
active
059540001
ABSTRACT:
Apparatus for cooling ash exiting from circulating fluidized bed equipment includes an enclosure having a floor, a plurality of walls disposed around the floor and a ceiling. The enclosure also has an inlet and an outlet. The outlet is disposed in one of the walls near to the floor and the apparatus also includes tubing disposed within the enclosure for heat exchange relationship with ash entering the inlet of the ash cooler. In some forms of the invention the floor is planar and is disposed in oblique relationship to a horizontal plane. The outlet may be disposed proximate to the floor at the lowest elevational part thereof. The enclosure may be generally rectangular and may have first and second opposed sides and opposed third and fourth sides. The first and second sides are longer than the third and fourth sides. In some cases the ratio of the length of each of the first and second sides to the length of the third and fourth sides is two or three to one. In some embodiments the floor slopes downwardly from the third side to the forth side with the intersection of the floor with the first and second sides defining lines that are oblique with respect to a horizontal plane. The inlet may be disposed proximate to the third side.
Ciric Ljiljana V.
Combustion Engineering Inc.
Lazarus Ira
Smith Robert S.
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