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    • 2. 发明申请
    • METHOD AND DEVICE FOR SIFTING TOBACCO
    • 用于查看烟草的方法和设备
    • WO2005041700A2
    • 2005-05-12
    • PCT/EP2004012124
    • 2004-10-27
    • FOCKE & COBARKMANN RALFHARMS STEFANHOPPE REINHARDBAUMGARDT TORBEN
    • BARKMANN RALFHARMS STEFANHOPPE REINHARDBAUMGARDT TORBEN
    • A24B1/04A24C5/39B07B4/02B07B4/04A24C
    • A24C5/396A24B1/04B07B4/02B07B4/04
    • During the production process, tobacco has to undergo a preliminary treatment such as sifting, among other things, in order to eliminate foreign matters, ribs, etc. from the tobacco. According to the invention, the tobacco is delivered to a sifter (10) with the aid of air, and undesired components are eliminated therefrom in said sifter (10) in a counterflow treatment also by using air or sifting air. Separate currents are created for conveying the tobacco prior to the sifting process as well as for sifting the tobacco and conveying purposes following the sifting process, i.e. a delivery pipe (12) to the sifter (10) and a waste air pipe (15) from the sifter exclusively for conveying air, and a closed circuit comprising a discharge pipe (19) for sifted tobacco and a sifting air pipe (17) for the tobacco-free sifting air, thereby allowing different flow characteristics to be used for conveying and sifting.
    • 在制造香烟时,尤其需要通过瞄准对烟草进行预处理,以便从烟草中分离出外来组分,肋骨等。 烟草通过空气供应到分类器(10),并且在此通过空气或逆流过程中的空气和不需要的成分来分离。 对于之前的片材和为烟草和输送到筛分分离的流的瞄准烟草的运输形成,即Zuförderrohr(12),以从所述分类器的筛分器(10)和排气管(15),排他地用于输送空气和一个关闭 用带有烟草的排气管(19)和用于无烟空气的瞄准管(17)循环。 结果,可以使用不同的用于运输和瞄准的流动特性。