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    • 7. 发明授权
    • Device for metering of a fluid volumetric flow of a liquid component in a mixer feed line for mixing plastics
    • 用于计量用于混合塑料的混合器进料管线中的液体组分的流体体积流量的装置
    • US09435673B2
    • 2016-09-06
    • US14476418
    • 2014-09-03
    • Udo Tartler
    • Udo Tartler
    • G01F1/00G01F1/46B29B7/76G01F1/05B29C67/24
    • G01F1/46B29B7/7615B29B7/7694B29C67/246G01F1/00G01F1/05G01F15/003G01F15/005G01F25/0007G05D7/0635
    • According to the invention a device for precise metering of a fluid volumetric flow of low flow rates down to zero volumetric flow of a liquid component in a mixer feed line for mixing plastics is provided, the device having a fluid supply tank that is in fluid line communication with the mixer feed line via a pump and through a volumetric flow meter, is characterized in that a fluid return line, which leads back into the tank through a second volumetric flow meter and which branches off from one of the fluid lines between the tank and the mixer feed line downstream of the first volumetric flow meter through a distributor apparatus that has one input and two outputs, namely one into the return line and one into the mixer feed line, and that distributes an input volumetric flow into the two outputs, and specifically in an adjustable fluid rate ratio.
    • 根据本发明,提供了一种用于精确计量在用于混合塑料的混合器进料管线中的液体组分的零流量的低流速的流体体积流量的装置,该装置具有处于流体管线 通过泵和通过体积流量计与混合器进料管线的连通,其特征在于流体返回管线,其通过第二体积流量计返回到罐中,并且从罐之间的流体管线之间分支 以及通过分配器装置在第一体积流量计下游的混合器进料管线,该分配器装置具有一个输入和两个输出,即一个进入返回管线,一个进入混合器进料管线,并且将输入体积流分配到两个输出中, 特别是以可调节的流体速率比。