A METHOD FOR THE PYROPROCESSING OF POWDERS
A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed product; b. injecting the powder into a metal tube; c. controlling th...
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Format | Patent |
Language | English French |
Published |
17.02.2022
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Abstract | A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed product; b. injecting the powder into a metal tube; c. controlling the gas composition in the metal tube by injecting a gas into the reactor; d. externally heating the first section of the tube by a first furnace segment system; e. externally heating the second section of the tube by a second furnace segment system; f. quickly quenching the powder product temperature in a cold third segment of the tube; g. collecting the processed powder at the base of the tube in a bed ejecting the powder from the tube; h. cooling the powder in a heat exchanger and using the heat to preheat the powder in step a.
L'invention concerne un procédé de chauffage d'un matériau en poudre pour induire un changement de phase cristalline dans les grains de la particule, comprenant les étapes consistant à : a. préchauffer la poudre provenant de flux à haute température générés à partir du refroidissement du produit à phase changée ; b. injecter la poudre dans un tube métallique ; c. réguler la composition gazeuse dans le tube métallique par injection d'un gaz dans le réacteur ; d. chauffer extérieurement la première section du tube par un premier système de segment de four ; e. chauffer extérieurement la deuxième section du tube par un deuxième système de segment de four ; f. refroidir rapidement la température du produit en poudre dans un troisième segment froid du tube ; g. collecter la poudre traitée à la base du tube dans un lit éjectant la poudre du tube ; h. refroidir la poudre dans un échangeur de chaleur et utiliser la chaleur pour préchauffer la poudre dans l'étape a. |
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AbstractList | A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed product; b. injecting the powder into a metal tube; c. controlling the gas composition in the metal tube by injecting a gas into the reactor; d. externally heating the first section of the tube by a first furnace segment system; e. externally heating the second section of the tube by a second furnace segment system; f. quickly quenching the powder product temperature in a cold third segment of the tube; g. collecting the processed powder at the base of the tube in a bed ejecting the powder from the tube; h. cooling the powder in a heat exchanger and using the heat to preheat the powder in step a.
L'invention concerne un procédé de chauffage d'un matériau en poudre pour induire un changement de phase cristalline dans les grains de la particule, comprenant les étapes consistant à : a. préchauffer la poudre provenant de flux à haute température générés à partir du refroidissement du produit à phase changée ; b. injecter la poudre dans un tube métallique ; c. réguler la composition gazeuse dans le tube métallique par injection d'un gaz dans le réacteur ; d. chauffer extérieurement la première section du tube par un premier système de segment de four ; e. chauffer extérieurement la deuxième section du tube par un deuxième système de segment de four ; f. refroidir rapidement la température du produit en poudre dans un troisième segment froid du tube ; g. collecter la poudre traitée à la base du tube dans un lit éjectant la poudre du tube ; h. refroidir la poudre dans un échangeur de chaleur et utiliser la chaleur pour préchauffer la poudre dans l'étape a. |
Author | VINCENT, ADAM WANG, DABIN BANKS, TERRANCE VAZHAPULLY, LAKSHMI BOOT-HANDFORD, MATTHEW SCEATS, MARK OKELY, ANDREW |
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DocumentTitleAlternate | PROCEDE DE PYROTRAITEMENT DE POUDRES |
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Snippet | A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder... |
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SubjectTerms | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
Title | A METHOD FOR THE PYROPROCESSING OF POWDERS |
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