Kakım chocolate mass is a non-Newtonian fluid we have to measure its shear stress at different shear rates, which results in a flow curve. Shear stress divided by shear rate results in the apparent viscosity; if we again plot this versus the shear rate we get a viscosity curve. Chocolate mass is a shear thinning fluid, so the highest viscosity is found when the mass starts to flow. Interaction between particles is considered to be responsible for this behaviour3, which is very different to Newtonian fluids such as water.
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Because of the pressure and the speed differential between the rolls, the product is picked up and refined more and more between each susequent grup of rolls. The five roll refiner saf four (4) refining steps, each roll başmaklık a different speeds. Pressures are controlled birli well.
Feed özgü 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 birli 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.
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The 5-roll fine refiner recieves the chocolate flake from the pre-refiner by the conveyor belt. The chocolate flake is then refined down to 20 metric micron, typically, though Chocolate STORAGE TANK finer particle size is also possible.
Chocolate melangers consist of a drum, rotating stones and a granite grinding surface. Think of an ancient Roman olive press, but driven by a motor rather than people or animals.
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The feed mass must have a certain consistency, which is determined by the initial fat content, particle properties and upstream process parameters. Here the particles are ground to their bitiş size, usually below 30µm in order to avoid a sandy texture in the mouth in the final product. A difficulty is to combine the continuous refiners with downstream batch conches. Productivity of both machines strongly decreases if only one refiner is connected to one conch. Therefore usually a number of refiners are connected to a number of conches, which leads to relatively large production lines of several tons per hour. This is also one of the reasons why smaller companies hardly use this technology.
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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Our goal is to improve your production efficiency and profit margins. To make this happen, we ensure your melter specifications align with your business requirements.