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Performance of Cooled Cone Grinding Machine in Cocoa Cake Processing

机译:冷却锥磨床在可可蛋糕加工中的性能

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摘要

The process of cocoa paste pressing has a function to separate the fatty component of cocoa from its cake. Cocoa paste is further processed into cocoa powder using grinding machine for cocoa cake. The cooled cone type of cocoa grinding machine is used to solve the problem of plug in the maschine caused by melting of fat in cocoa cake due to hot effect as a result of friction in the grinding machine. Grinding machine of cocoa has conical form of cylinder for grinding and stator wall wrapped by source of cold and closed with jacket wool. Research was conducted at Kaliwining Experimental Garden of Indonesian Coffee and Cocoa Research Institute (ICCRI) using cocoa cake containing 26.75% originated from Forastero type of cocoa seed. The capacity and recovery of the machine was influenced by space between rotor cylinder and stator wall. Grinding machine operated at cooling temperature of 25.5oC and space between rotor – stator 0.9 cm and the capacity of 187.5 kg/hour with recovery of 200 mesh cocoa powder as much as 24%. The maximum  power of machine required  was 2.5 kW with efficiency of  energy transfer of 97%. Results of proximate analysis showed that there was no change of protein content, but protein and carbohydrate content increased after processing, i.e. from 5.70% and 59.82% into 5.80% and 61.89% respectively.Key words : cocoa cake, cooling, grinding, cocoa powder
机译:Cocoa粘贴压制的过程具有将可可脂肪组分与其蛋糕分离的功能。使用用于可可饼的磨削机进一步加工成可可粉体进一步加工成可可粉。冷却的锥形型可可磨床用于解决由于磨削机中的摩擦而导致通过可可饼烧成脂肪熔化引起的maschine中的塞子引起的问题。可可的磨削机具有圆柱形的圆柱体,用于磨削和定子墙,由冷却源包裹,用夹克羊毛封闭。研究是在印度尼西亚咖啡和可可研究所(ICCRI)的Kaliwining实验园区进行的,使用含有26.75%的可可蛋糕的可可粉。机器的容量和恢复受转子筒和定子壁之间的空间的影响。研磨机在冷却温度下操作,在25.5℃和转子定子之间的空间之间操作0.9cm,容量为187.5千克/小时,回收200目可可粉多达24%。所需机器的最大功率为2.5千瓦,能量转移效率为97%。近分析结果表明,蛋白质含量的变化,但加工后蛋白质和碳水化合物含量增加,即分别为5.80%和59.82%,分别为5.80%和61.89%.Key单词:可可蛋糕,冷却,研磨,可可粉

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