F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/5
F28F 7/00 (2006.01) F28D 7/16 (2006.01) F28F 9/02 (2006.01) F28F 21/04 (2006.01) F28F 27/02 (2006.01)
Patent
CA 1240665
17. A RECUPERATIVE HEAT EXCHANGER ABSTRACT A recuperative heat exchanger for gas-gas heat exchange at a temperature above 700°C, comprising a refractory lined vessel having a vertically extending steel shell (2) closed at top and bottom by respective ends (3,4), wherein the space within the vessel is divided into respective top and bottom end chambers and a heat-exchange chamber therebetween by top and bottom apertured refractory plates and the end chambers are connected by a plurality of subtantially vertical tubes of refractory ceramic material extending between said plates. To provide good contact of the second heat exchange medium with the tubes, connections (5,6) for respectively supply and discharge of a first one of the heat-exchange media are provided in said ends, and on one side of said steel shell there are a plurality of connections (10) for supply of the second of the heat-exchange media distributed over a region extending both vertically and circumferentially and on the other side of the steel shell there are a plurality of connections (15) for 18. discharge of the second medium also distributed over a region extending both vertically and circumferentially. The connections (10,15) for supply and discharge of the second medium being connected via respective manifolds (9,14) to main supply and discharge conduits respectively.
472198
Beenhakker Albertus H.
Van Der Giessen Dirk
Verweij Kees
Hoogovens Groep Bv
Ridout & Maybee Llp
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