F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 19/02 (2006.01) C10G 9/00 (2006.01) F28F 9/04 (2006.01)
Patent
CA 2230134
Described is a heat exchanger comprising a nest of heat-exchange tubes held between two end plates, the heat exchanger being designed for connection dowmstream of a thermal-cracking installation. In order to reduce erosion of the base plate, the plate at the input end is coated on the side facing the oncoming gas with an erosion-resistant, fireproof coating of a chemically bound compound, leaving clear the apertures for the heat-exchange tubes.
L'invention concerne des échangeurs de chaleur à faisceau tubulaire (RWU) placés en aval d'installations thermiques de craquage, comportant un faisceau tubulaire de tubes échangeurs de chaleur, maintenu entre deux plaques tubulaires. Afin de réduire les phénomènes d'érosion au niveau de la plaque de base, la plaque tubulaire située côté entrée est munie, sur le côté faisant face au gaz affluant, d'un revêtement réalisé dans une matière durcie chimiquement, qui résiste à l'érosion, est réfractaire et laisse libres les ouvertures des tubes échangeurs de chaleur.
Paul Jurgen
Rosengarten Bernhard
Borden Ladner Gervais Llp
Ruhr Oel Gmbh
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