Although nowadays many companies claim their systems are fully automated, small scale producers should realistically consider the skills of their operators, the ease of operation and the need for maintenance. In this aspect, systems with a simple machine layout might be preferable.
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The process is shown in Figure 4. Refiner flakes are transferred into the feed hopper, its filling level controls speed of the feed screw and compensates supply variations. While some cocoa butter is added, the screw feeds the pasting columns. It is equipped with adjustable baffles and shearing wings; the flakes are subjected to intensive mechanical stress. During this process the mass changes from its dry state (dry conching) to a tough plastic state. Cleaned conditioned air is supplied by fan. After finally adding lecithin it leaves the pasting column in flowable consistency. The mass is passed to an intermediate tank whose stirrers and wall scrapers keep the chocolate in motion to stabilise the process of the structural changes after the adding of lecithin.
Physically, chocolate mass is a suspension of particles in a continuous phase of liquid fat. Downstream when producing final products for the consumer, fat crystallisation is initiated and the mass is forced into the desired shape and solidifies. These steps are hamiş considered here, although many properties of the final product güç be predicted by measurable properties of the still liquid chocolate mass.
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This very unique machine resurrects the traditional method of conching and grinding at the same time, birli we know it from the Lindt longitudinal conch1.
Using our global experience across chocolate manufacturing, we kişi customize your solution to meet your precise requirements. Our experienced engineers sevimli help you tasavvur, implement and support new technology to improve quality, efficiency and safety for your plant.
Faster working time: The machine is faster than a cocoa melanger, which means you sevimli create larger batches of chocolate in less time.
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Think carefully about your needs in terms of product properties, taste, flow properties, economy and flexibility
Priming time. (this is the time from when product is loaded into the melter to the point where the product level in the tank is above the outlet port)
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Frequently the other operations are performed within a long-term kneading process called conching. Very long conching times are still recommended and associated with good quality, although the devices require high capital investment. One of the major progresses established in the last 30 years was to move cocoa flavour treatment out of the conch into the upstream cocoa processing. Thin film evaporators were developed in order to remove undesired volatiles and water; if this is derece done elsewhere those devices are also able to debacterise cocoa liquor.