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    • 1. 发明申请
    • PROCESS AND DEVICE FOR THE PRODUCTION OF MILK WITH A PREDETERMINED FAT CONTENT
    • 用于生产具有预测的脂肪含量的奶的方法和装置
    • WO1990000862A1
    • 1990-02-08
    • PCT/NL1989000059
    • 1989-07-20
    • STORK AMSTERDAM B.V.VAN HOEK, Johannes, WilhelmusVAN SCHAGEN, Hans, Walter
    • STORK AMSTERDAM B.V.
    • A23C09/15
    • A23C9/1508A01J11/10
    • Described is a process for the production of milk and cream with a predetermined fat content, in which raw milk is separated by a centrifuge into a high-fat fraction (cream) and a low-fat fraction (skimmed milk), in which the fat content in the hight-fat fraction is determined and the fat content in the low-fat fraction is kept at a negligibly low level, the volume flow of the low-fat fraction is determined, and a specific part of the high-fat fraction is then added to the low-fat fraction for obtaining milk of the desired fat content (standardized milk), and the remaining part of the high-fat fraction (cream) is drained off through a control valve (8), which is characterized in that the part of the high-fat fraction added to the low-fat fraction is regulated by means of a control valve (12) which in conjunction with the control valve (8) for discharge of the remaining part of the high-fat fraction is controlled on the basis of the volume flow (10) of the low-fat fraction, on the basis of the volume flow (11) of the part of the high-fat fraction added to the low-fat fraction, and on the basis of the density measurement (7) of the high-fat fraction, in such a way that the density of the high-fat fraction - and thus the fat content - is maintained at a set volume. Also is described a device for carrying out the process according to the invention.
    • 描述了生产具有预定脂肪含量的乳和奶油的方法,其中将生奶通过离心机分离成高脂肪级分(乳脂)和低脂肪级分(脱脂乳),其中脂肪 确定高脂肪级分中的含量,并将低脂肪级分中的脂肪含量保持在可忽略的低水平,确定低脂肪级分的体积流量,并且高脂肪级分的特定部分为 然后加入到低脂肪级分中以获得所需脂肪含量的牛奶(标准化奶),并且通过控制阀(8)将剩余部分的高脂级分(奶油)排出,其特征在于, 添加到低脂肪馏分中的高脂肪级分的部分通过控制阀(12)来调节,控制阀(12)与用于排出剩余部分高脂肪馏分的控制阀(8)一起被控制 基于低脂分数的体积流量(10) 的添加到低脂肪级分的高脂肪级分的一部分的体积流量(11),并且基于高脂肪级分的密度测量(7),使得密度 高脂肪分数,从而脂肪含量维持在一定的体积。 还描述了用于执行根据本发明的方法的装置。
    • 2. 发明申请
    • METHOD FOR CONTINUOUS PRODUCTION OF MILK WITH A PREDETERMINED FAT CONTENT
    • 用于连续生产具有预测的脂肪含量的奶的方法
    • WO1994024878A1
    • 1994-11-10
    • PCT/SE1994000395
    • 1994-05-02
    • ALFA LAVAL AGRI ABLIDMAN, MagnusMARZOTTO, Guido
    • ALFA LAVAL AGRI AB
    • A23C09/15
    • A23C9/1508
    • In a method for continuous production of milk with a predetermined fat content the whole milk is divided into a cream fraction and a skim milk fraction in a centrifugal separator. A part of the cream fraction is remixed into the skim milk fraction in order to obtain a mixed fraction of milk with desired fat content. According to the invention the whole flow of cream fraction which has been obtained from an outlet from the centrifugal separator is remixed with a flow of skim milk fraction from a second outlet from the centrifugal separator by way of a valve means in the outlet for cream fraction during a certain period. During a second intermediate period the whole flow of cream fraction is discharged by said valve means for separate collection. The periods mentioned above are so short that the fat content and the flow per time unit of the mixed fraction may be regarded as homogenous.
    • 在用于连续生产具有预定脂肪含量的牛奶的方法中,将全脂乳分离成离心分离器中的奶油级分和脱脂乳级分。 将一部分奶油级分重新混合到脱脂乳级分中,以获得具有所需脂肪含量的牛奶的混合级分。 根据本发明,从离心分离器的出口获得的奶油级分的全部流动通过来自离心分离器的第二出口的脱脂乳馏分流通过用于奶油馏分的出口中的阀装置重新混合 在一段时间内 在第二中间期期间,通过所述阀装置排出奶油馏分的全部流动以分开收集。 上述时期非常短,使得混合部分的脂肪含量和每时间单位的流量可以被认为是均匀的。