Catalytic heat generating element for autonomous domestic heating systems

New heat-conducting metal porous reinforced catalysts were developed to manufacture a catalytic heat generating element (CHGE) of 25 kW power. The element was subjected to thermophysical, hydraulic and ecological testing. Local temperature and gas flow rates were determined in different places of th...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2003-03, Vol.91 (2), p.191-198
Main Authors: Lukyanov, B.N, Kirillov, V.A, Kuzin, N.A, Danilova, M.M, Kulikov, A.V, Shigarov, A.B
Format: Article
Language:English
Subjects:
Catalyst
Combustion of natural gas
Design of the heating element
Ecological parameters
Generated heat
Water boiler
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Summary:New heat-conducting metal porous reinforced catalysts were developed to manufacture a catalytic heat generating element (CHGE) of 25 kW power. The element was subjected to thermophysical, hydraulic and ecological testing. Local temperature and gas flow rates were determined in different places of the outer catalytic bed surface. We have estimated impact of the convective and radiant transfer in total CHGE heat generation. Dynamics of CHGE startup was studied. A prototype of the catalytic water boiler supplied with a CHGE of 25 kW power was manufactured and tested. The boiler provides below yield of toxic waste: CO 5–10 ppm, NO x traces, CH 4 10–20 ppm, CO 2 10 vol.%, the other gases 89.5 vol.%. CHGE is promising as a device for ecologically safe heat production for household appliances.
ISSN:1385-8947
1873-3212
DOI:10.1016/S1385-8947(02)00153-5