Apparatus and process to extract heat and to solidify molten...

B - Operations – Transporting – 22 – F

Patent

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Details

B22F 9/08 (2006.01) B01J 2/04 (2006.01) B01J 2/18 (2006.01) B22D 27/04 (2006.01) B22D 27/08 (2006.01)

Patent

CA 2392938

The present invention relates to an apparatus and a process to extract heat and to solidify molten material particles. A flow of molten material is traversed by a high pressure dispers-ing/cooling flow to form particles of molten or semi-molten ma-terial. The particles impinge against a transporting device, which transport them to a collecting place. The transporting device is provided with a vibrator, which provides a vibrating movement to the transporting device to prevent the particles which are still cool-ing-off from being agglomerated again. A flow of a low pressure dispersing/cooling could be provided, which substantially trans-versely traverses said flow of particles of molten or semi-molten material which fall towards the transporting device, in order to en-hance the dispersion and cooling-off effects of the particles. A hopper could be provided to collect the particles and to carry them to the transporting device. Cooling water pipes could be provided to eject a flow of cooling water onto the internal walls of the hop-per and also onto the transporting device, which assist cooling of the dispersed particles.

La présente invention concerne un appareil et un procédé qui permettent d'extraire la chaleur et de solidifier des particules de matière à l'état fondu. Un écoulement de matière fondue est traversé par un écoulement de dispersion/refroidissement à haute pression pour former des particules de matière fondue ou semi-fondue. Les particules viennent heurter un dispositif de transport qui les achemine jusqu'à une zone de collecte. Le dispositif de transport est équipé d'un vibrateur qui applique un mouvement de vibration au dispositif de transport pour empêcher les particules qui sont encore en train de refroidir de s'agglomérer à nouveau. Un écoulement de dispersion/refroidissement à basse pression peut être prévu, ce dernier traversant sensiblement transversalement ledit écoulement de particules de matière fondue ou semi-fondue qui tombe en direction du dispositif de transport, afin d'accroître les effets de dispersion et de refroidissement des particules. Une trémie peut être utilisée pour collecter les particules et les envoyer au dispositif de transport. Des conduites d'eau de refroidissement peuvent être prévues pour envoyer un flux d'eau de refroidissement sur les parois internes de la trémie et sur le dispositif de transport également, ceci participant au refroidissement des particules dispersées.

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