Bey 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 kakım water.
Similar principles are followed for milk chocolates by developing milk powder pre-treatment procedures.
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Nevertheless also here one refiner would need several hours to fill a large 6-t-conch, which yaşama only be solved by always having one machine idle or by using at least two smaller conches. For very small scale or sınav production the company also builds a uçucu scale 5RR with 50cm rolls and 3-rollers.
So one important part of the flow curve is at very low shear. The yield value defines the shear stress, when the mass starts to move. As a minimal shear rate is necessary for the measurement, usually the yield value saf to be extrapolated from the flow curve according to prototip equations, like the ones developed by Casson Chocolate HORIZONTAL BALL REFINER and Windhab1. Yield values or measurements at low shear stress also have a great practical importance, as many industrial operations are carried out with masses flowing slowly, for example the equal distribution of still liquid mass in a mould.
• Electric extractor fan provides cross refiner air flow through hopper vent for reduction of volatiles, acidity & moisture
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Used to make a variety of chocolate & nut pastes, kakım well kakım spreadable creams. The Selmi Micron is also used for bean to pas chocolate making.
If you’ve made a couple of batches of chocolates, you’ve probably already been tempering chocolate by hand. Some …
Beside ball mill for product development, we produce ball mills for small workshops and medium-sized confectionery manufacturers.
Consistency: The refining process helps to create a consistent flavor and texture throughout the chocolate.
What are the main advantages of the process for larger and also for smaller chocolate producers and what is the minimal size of an industrial production line?