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    • 9. 发明授权
    • Arrangement for roasting vegetable bulk material, such as coffee beans
    • 烘焙蔬菜散装物料如咖啡豆的布置
    • US5718164A
    • 1998-02-17
    • US656482
    • 1996-05-31
    • Hermann FinkenGerhard JansenErwin Naves
    • Hermann FinkenGerhard JansenErwin Naves
    • A23N12/08A23N12/12A23L1/00A47J27/00A47J37/00F26B11/00
    • A23N12/08
    • An apparatus for roasting vegetable bulk material, in particular coffee beam is disclosed, in which essentially all of the cooling waste air of a cooler which cools the bulk material after the roasting operation is heated to roasting-gas temperature in a heat-exchanger stage and fed to the roaster. Essentially all of the roasting waste gases are heated, in a heating stage, to an extent which is necessary for increasing the temperature of the cooling gases to the roasting-gas temperature. Since the roaster operates with a higher roasting-gas throughput than hitherto, it is possible, with comparable roasting capacity, for the roasting-gas temperature to be reduced, this resulting in a more uniform roasting result. The apparatus has reduced harmful-substance emission along with increased thermal efficiency. Also disclosed is a method of roasting and cooling bulk material by utilizing the disclosed apparatus.
    • 公开了一种用于焙烧植物体材料,特别是咖啡梁的设备,其中在烘烤操作之后冷却散装材料的冷却器的基本上所有的冷却废气在热交换器阶段被加热到焙烧气体温度, 喂给烘焙机。 基本上所有的焙烧废气在加热阶段被加热到将冷却气体的温度升高到焙烧气体温度所必需的程度。 由于焙烧炉的焙烧气体吞吐量比迄今为止高,因此焙烧气体的温度可以降低,焙烧时的焙烧能力相当可以得到更均匀的焙烧效果。 该设备减少了有害物质的排放以及增加的热效率。 还公开了通过利用所公开的装置来焙烧和冷却散装材料的方法。