Double-stage ammonia converter with at least one catalyst...

Details Double-stage ammonia converter with at least one catalyst... Double-stage ammonia converter with at least one catalyst...

B - Operations, Transporting

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B01J 19/24 (2006.01) B01J 8/04 (2006.01) C01C 1/04 (2006.01)

Patent

CA 1298962

A b s t r a c t : "Double-stage ammonia converter with at least one catalyst bed and a central heat exchanger The invention relates to a double-stage ammonia converter with at least one catalyst bed of annular-type arrangement and a central heat exchanger being passed by a reaction gas. The object of the present invention is to provide for a solution which allows an ex- pedient routing of the heat exchanger tubes, an independence of the heat exchanger length from the catalyst bed height, and a favour- able heat transfer to be obtained with a relatively simple struc- tural design The problem is solved, as per this invention, by the fact that the heat exchanger (5) is designed to have a single tube- sheet (7) with U-shaped tubes (6), the U-tube inlets being located in the tubesheet centre and the U-tube outlets at the periphery. RVPP11001Q71287

557528

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