Steam generator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5775266
SERIAL NO

08621643

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a steam generator (1) having, downstream of the fire-box (7), a radiant part and, subsequent thereto, a convective part, the latter essentially comprising, connected in series on the flue-gas side, contact heat exchanger (18), superheater (9) and economizer (2), the steam generator (1) being used in a circuit for the direct selective catalytic reduction (SCR process) of the nitrogen oxides in the flue gas (19), the economizer (2) consists of two parts. An NOx catalyst (5) is arranged between the two parts (2a, 2b), the economizer (2a) arranged upstream of the catalyst (5) in the direction of flow of the gas (19) being subdivided into at least two sections (10a, 10b), through which, on the one hand, the flow passes in series on the flue-gas side and, on the other hand, the working medium to be heated flows in parallel from bottom to top, and at least one section (10a) always being connected via lines (11a, 12) to the drum (13) and the other section(s) (10b) being able to be shut off as desired from the water circulation via lines (11b) which can be shut off.

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Patent Owner(s)

Patent OwnerAddress
MARTIN GMBH FUR UMWELT-UND ENERGIETECHNIKLEOPOLDSTRASSE 248 MUENCHEN 80807

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ziegler, Georg Winterthur, CH 15 115

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