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Chemical Engineering

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High productivity chocolate forming with this machine

| By Mary Page Bailey and Gerald Ondrey

Source: IPCO Germany

The Rotoform HP (high performance) is the latest model in this company’s high-capacity Rotoform rotary drop depositor, which is specifically designed for chocolate processing (photo). A pump delivers molten chocolate to the Rotoform via heated piping. The Rotoform itself consists of a heated stator, which is supplied with liquid chocolate, and a perforated rotating shell that turns concentrically around the stator to deposit drops of chocolate onto a continuously running steel belt. Baffles and internal nozzles provide uniform pressure across the whole belt width, ensuring that chips are of uniform shape and size. The heat of the drops is transferred to cooling air blown onto the product and also to the belt itself. A short cooling time means that very little oxygen can penetrate the product. — IPCO Germany GmbH, Fellbach, Germany