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PROCEDE DE PREPARATION DE MELANGES DE CHLORURES DE POLYVINYLE DANS UN MELANGEUR A CHAUD ET DISPOSITIF POUR LA MISE EN PRATIQUE DU PROCEDE
PROCEDE DE PREPARATION DE MELANGES DE CHLORURES DE POLYVINYLE DANS UN MELANGEUR A CHAUD ET DISPOSITIF POUR LA MISE EN PRATIQUE DU PROCEDE
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机译:在热混合器中制备氯乙烯混合物的方法和用于该方法的装置
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摘要
1517330 Mixing apparatus THYSSEN INDUSTRIE AG 28 Nov 1975 [29 Nov 1974] 49000/75 Heading BIC [Also in Division C3] An apparatus suitable for processing polyvinyl chloride mixtures comprises a heating mixer constructed as an upright cylindrical or double walled container closable by a cover and provided with a closable outlet, said cover having an air outlet aperture to which a suction pump is connected with interspersion of one or more dust separators, said container having mixing members arranged at its base and drivable at peripheral speeds of up to 40m/sec by means of a driving shaft which is passed through the base of the container and which cooperates with a seal assembly as illustrated in Fig. 2 comprising a plurality of superimposed lip seals, the top seal 20 of said assembly having its sealing lip pointing towards the interior of the container and a free annular space 21 located beneath this lip seal being connected by a connecting pipe and an adjustable throttle to the atmosphere, a free annular space 19 formed between the driving shaft and the sealing lip, which lip lifts slightly from the driving shaft in the case of negative pressure in the container, serving as an air inlet aperture.
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机译:1517330混合设备THYSSEN INDUSTRIE AG 1975年11月28日[1974年11月29日] 49000/75标题BIC [也属于C3分部]一种适用于处理聚氯乙烯混合物的设备,包括一个加热混合器,该加热混合器构造为直立的圆柱形或双壁容器,可通过盖子封闭所述容器具有可关闭的出口,所述盖子具有出气孔,抽气泵通过所述出气孔与一个或多个灰尘分离器的穿插连接到所述出气孔,所述容器具有布置在其底部的混合部件,并且能够以最高40m / sec的圆周速度驱动通过驱动轴,该驱动轴穿过容器的底部并与如图2所示的密封组件配合,该密封组件包括多个叠置的唇形密封件,所述组件的顶部密封件20的密封唇指向密封件。容器的内部和位于该唇形密封件下方的自由环形空间21通过连接管和可调节的节气门连接至大气即,在驱动轴和密封唇之间形成有一个自由的环形空间19,该环形唇在容器中处于负压的情况下从驱动轴略微升起,作为进气孔。
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