Applications

Chemicals

E-PVC

Fig. Application of E-PVC

Fig. Application of E-PVC

Summary

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.

Contents

ACM Pulverizer for E-PVC

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

Features
• High grinding performance at good product quality
• Adjustable parameters such as mill speed and classifier speed
• Simple to operate and quick to clean
• High mechanical reliability

Options
• Temperature monitoring of classifier and mill bearing, etc.
• Permanent monitoring of the bearing for vibrations

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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