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05/01/08 | 20 views | #20080099185 | Prev - Next | USPTO Class 165 | About this Page  165 rss/xml feed  monitor keywords

Method and equipment for heat recovery

USPTO Application #: 20080099185
Title: Method and equipment for heat recovery
Abstract: The present invention relates to a method and equipment for recovering heat from exhaust gas removed from an industrial process, such as an electrolysis process for the production of aluminium. Heat is recovered by means of an extraction/suction system, where the exhaust gas contains dust and/or particles. The heat is recovered as the exhaust gas is brought into contact with heat-recovery elements. Flow conditions and the design of the heat recovery elements are such that the deposits of the dust and/or particles on the surfaces stated are kept at a stable, limited level. In preferred embodiments, the heat-recovery elements have a circular or an extended, elliptical cross-section and may be equipped with fins or ribs. (end of abstract)
Agent: Wenderoth, Lind & Ponack, L.L.P. - Washington, DC, US
Inventors: Erling Naess, Otto Kristian Sonju, Torbjorn Slungaard, Bjorn Petter Moxnes
USPTO Applicaton #: 20080099185 - Class: 16510411 (USPTO)


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