MULTI-SHELF FURNACE FOR USE AT LOW TEMPERATURE

The invention relates to a multi-shelf furnace (1) for heat treatment at a temperature not exceeding 350°C, characterized in that the shelves (2) are made up of flat discs fixed to the outer shell (3), in that the stirring arms (5) are fixed to all-welded modules (14) constituting the central shaft...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	COTTENIER, Gauthier, PRIAROLLO, Joseph, GASPARD, Daniel
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL BLASTING CHEMISTRY DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING LIQUEFIED PETROLEUM GAS LUBRICANTS MECHANICAL ENGINEERING METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a multi-shelf furnace (1) for heat treatment at a temperature not exceeding 350°C, characterized in that the shelves (2) are made up of flat discs fixed to the outer shell (3), in that the stirring arms (5) are fixed to all-welded modules (14) constituting the central shaft (4), in that the stirring tines (15) are welded to their respective stirring arm (5), all these elements being made from metal sheet or plate, and in that the heating device comprises a heat-transfer-fluid radiant heat exchanger (17, 27) which is secured to the face of each shelf (2) not in contact with the substance to be treated. L'invention se rapporte à un four à soles multiples (1) pour un traitement thermique à une température n'excédant pas 350°C, caractérisé en ce que les soles (2) sont constituées de disques plats fixés à l'enveloppe externe (3), en ce que les bras de râblage (5) sont fixés à des modules mécano-soudés (14) constituant l'arbre central (4), en ce que les dents de râblage (15) sont soudées à leur bras de râblage respectif (5), tous ces éléments étant réalisés à partir de feuilles ou plaques métalliques et en ce que le dispositif de chauffage comporte un échangeur de chaleur radiant (17, 27) à fluide thermique solidarisé à la face de chaque sole (2) n'étant pas en contact avec la matière à traiter.