Furnaces – Combined – With boiler
Patent
1996-04-09
1997-11-18
Bennett, Henry A.
Furnaces
Combined
With boiler
122 40, 110203, 422145, F23B 700
Patent
active
056876572
ABSTRACT:
In a method of and a device for reducing the dust content of the exhaust gases (18) of a steam generator which consists of a combustion chamber (1), a radiation part (2) and a convection part (3) and has at least two vertical gas passes (4, 5), the dust portion of the exhaust gases (18) is reduced before the exhaust gases (18) enter the convective part (3) of the steam generator. The front wall (7) and/or the rear wall (8) of the steam generator is of double-sided design in the region of the gas deflection from the vertical pass (4) having downward flow to the vertical pass (5) having upward flow, the outer wall (12) consisting of a known gastight tube-web-tube construction (13) and the inner wall (14) consisting of tubes (15) which are arranged in such a way that an intermediate space (16) through which flow can occur is present in each case between the tubes (15), a flow-stabilized zone (17) being defined by the outer wall (12) and the inner wall (14), and the inner (14) and the outer wall (12) being cooled by means of cooling fluid flowing through the tubes.
REFERENCES:
patent: 4449482 (1984-05-01), Leon et al.
"Thermische Abfallbehandlung", Thome-Kozmiensky, EF-Verlag fur Energie-und Umwelttechnik GmbH, 1994.
Asea Brown Boveri AG
Bennett Henry A.
O'Connor Pamela A.
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