F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 9/04 (2006.01) F28F 9/02 (2006.01)
Patent
CA 2289855
A tube heat exchanger intended to be used for the production of carbon black, comprising a cylindrical closed chamber which includes a plurality of tubes (13) which extend through the entire, essentially cylindrically shaped, chamber from an upper end wall to a lower tube or tube plate (18). The tubes are attached to the upper end wall, preferably by welding and hang down to the tube plate, said tube plate being equipped with compensating devices to enable thermally induced expansions and contractions of the tubes (13) to occur. By arranging said tubes (13) so that they hang rather than stand, as is the case with prior art techniques, damage due to the tubes becoming overheated and consequently being unable to support their own weight is avoided.
L'invention concerne un échangeur de chaleur à tubes destiné à être utilisé pour la production de noir de carbone. Cet échangeur comprend une chambre cylindrique fermée qui contient une pluralité de tubes (13) s'étendant à travers toute la chambre de forme sensiblement cylindrique, depuis une paroi terminale supérieure jusqu'à un tube inférieur ou une plaque inférieure (18). Les tubes sont fixés à la paroi terminale supérieure, de préférence, par soudage et pendent jusqu'à la plaque inférieure, cette plaque étant équipée de dispositifs de compensation permettant la dilatation et la contraction d'origine thermique des tubes (13). Les tubes (13) étant suspendus et non fixés à la base comme dans les versions actuelles, on évite ainsi tout dommage dû au fait que les tubes à l'état surchauffé ne supportent pas leur poids propre.
Berglund Goran
Eriksson Ulf
Gowling Lafleur Henderson Llp
Sandvik Aktiebolag
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