Complete grinding-classifying systems for E-PVC
E-PVC precipitates as a powder subsequent to a spray-drying process. The most important applications are plastic film, profiles, floor coverings, wall paneling, coated materials, sealing compounds and plastisols.
E-PVC is generally required with fineness of < 63 µm and < 40 µm or even finer with a steep top cut. And because these requirements cannot be met by spray dryer alone, grinding and classifying technology is always necessary.
The grinding-classifying process is performed with ACM Pulverizer. The classifier is integrated in the top section of the mill to perform the clean top cut. ACM Pulverizer is the most appropriate for this application because the mill is designed optimum accessibility, easy cleaning and cool grinding.
ACM Pulverizers have been delivered world-wide for the fine grinding of E-PVC these days. A series of models are provided to meet various capacity requirements; ACM-15 to ACM-300
Hosokawa has delivered the largest model ACM-300 (220kW) for this application.
The chemically synthesized paste resin contains agglomerates which have to be dispersed before spray drying. In order to break the agglomerates, the Disintegrator RI is installed in prior to the drying process.
Fig.1 Mock-up of Disintegrator
Fig.2 Disintegrator
Fig.3 ACM Pulverizer ACM-300
Fig.4 Flow
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