Regenerative preheater and method for operating the same

Details Regenerative preheater and method for operating the same Regenerative preheater and method for operating the same

1992-03-04

1994-01-04

Davis, Jr., Albert W.

Heat exchange

Regenerator

Movable heat storage mass with enclosure

422173, 422175, 422177, 422209, F28D 1900, B01D 5336

Patent

active

052752305

ABSTRACT:
A regenerative preheater includes a heat accumulator and a catalyst through which a raw gas containing a harmful component can flow and through which a clean gas can flow in alternation. A first admission point for a gaseous reagent is disposed upstream of the catalyst in a flow path of the raw gas. A second admission point for the gaseous reagent is disposed upstream of the catalyst in a flow path of the clean gas. A method for operating a regenerative preheater includes passing a raw gas containing a harmful component and passing a clean gas through a heat accumulator and a catalyst in alternation. A a reagent for a catalytic reaction is introduced into both a flow path of the raw gas and a flow path of the clean gas.

REFERENCES:
patent: 4678643 (1987-07-01), Fetzer
patent: 4836988 (1989-06-01), Kristof et al.
patent: 5145652 (1992-09-01), Veser et al.
Publication: Chem.-Ing.-Tech. 58 (1986) No. 8, pp. 617-623: (Kotter et al).

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