Apparatus and method for crushing sugar cane

Details Apparatus and method for crushing sugar cane Apparatus and method for crushing sugar cane

C - Chemistry, Metallurgy

13

B

C13B 10/02 (2011.01) C13B 10/06 (2011.01)

Patent

CA 2257091

An apparatus for crushing sugar cane to extract the juice has opposed crushing rolls at least one of which is formed with juice channels which are temporarily plugged by bagasse after the juice has entered into the channel. Further rotation of the rolls removes the trapped juice away from the cane blanket and the bagasse plug is then scraped out of the top of the channel to allow the juice to drain. The juice is drained away from the cane blanket and is not reabsorbed thereby. Efficiency of juice removal is improved. Further efficiency improvements are obtained by having pairs of crushing rolls positioned above each other such that the cane blanket moves in a generally vertical direction.

Cette invention se rapporte à un appareil conçu pour broyer la canne à sucre de façon à en extraire le jus. Ledit appareil possède des cylindres broyeurs, l'un au moins de ces cylindres comportant des voies d'écoulement du jus qui sont temporairement obstruées par la bagasse après l'entrée du jus dans lesdites voies d'écoulement. La rotation supplémentaire des cylindres permet d'extraire le jus piégé dans le matelas de cane et le bouchon de bagasse est retiré par raclage de la partie supérieure de la voie d'écoulement de manière à permettre l'écoulement du jus. Le jus extrait du matelas de cane n'est pas réabsorbé par ledit matelas. On améliore ainsi l'efficacité d'extraction du jus. L'invention concerne d'autres perfectionnements du procédé d'extraction qui consistent à utiliser des paires de cylindres broyeurs juxtaposés verticalement de telle sorte que le matelas de cane se déplace suivant une direction généralement verticale.

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