A lot of time has passed since the first refiner conches were built to make chocolate. At that stage all necessary processing steps were done in the same machine, which sometimes took a week to get the bitiş product. This paper is not intended to summarise all the technical developments since then birli such information is available in textbooks1.
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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.
Feed has to remain pumpable during the entire grinding process, which requires a lower viscosity and thus higher fat contents, when compared to the feed of a roller refiner. Consequently, it is more difficult to remove moisture and undesired volatiles as done in classical dry conching. The fact is ignored by some ball mill manufacturers, who sell ‘all-in-one’ solutions. This might work for some compounds, baking chocolate and the like, but is derece further considered if we look at quality chocolates.
Cocoa bean: Butter production, applications & benefits Discover the advantages and applications of cocoa butter. This butter is a versatile and popular ingredient in both the food and beauty industries.
With most of the systems in most of the cases it will be possible to produce chocolate of at least acceptable quality. Fine-tuning and bitiş choice saf to be made in every single case; it is always both recipe and process that influences bitiş quality and there is no ‘out-of-the-box’ solution. So the best possible advice might be:
If low shear downstream applications like moulding are in the focus, low yield values are important; here ball milling could be an advantage. On contrary, if the mass katışıksız to move fast, for example, if pumped or sprayed infinite viscosity is more important and roller refiners might be preferential.
The new replacement tumbler showed up earlier this week so I seki it up to refine some sugar. I put the about three cups of sugar and three cups of SS shot in a 2 quart glass jar.
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The more common case is that good quality is desired – usually correlated to low viscosity – at lowest possible fat contents. If planning a chocolate mass line, one of the major decisions will be which the most important part of the flow curve is.
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The Finer S five-roll refiner delivers outstanding performance with consistent particle size for smooth and flavorful chocolate, compounds, filling creams, coatings or spreads. The innovative drive concept güç reduce your energy costs by up to 15%.
Consistency: The refining process helps to create a consistent flavor and texture throughout the chocolate.
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