As 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 birli water.
Has triple stone mill ever been considered for particle size reduction like they do for Cocoa Liquor?
Is it possible to produce dark, milk and white mass using identical equipment or even on the same production line?
One of the first things a chocolate producer has to consider are the influences of recipe, ingredients and particles on chocolate mass properties birli discussed above. First of all, if raw material cost is less important, e.g. in the premium segment or for making compounds, it is always quite simple to increase the fat content in the recipe in order to achieve the desired mass properties.
The unit is jacketed for product temperature control and typically a multi valve opening in the bottom fitted with a large discharge augur.
Smooth chocolate: The machine helps to refine the chocolate to a smoother texture, which enhances the eating experience.
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15: Will the holding tank overflow if it’s already full and there is product still on the melt grid?
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Typical cleaning time. (this incudes both a hot water wash down with detergent and hand cleaning as required, followed by the time for the machine to dry ready for the next product)
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 final size, usually below 30µm in order to avoid Chocolate STORAGE TANK a sandy texture in the mouth in the bitiş 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.
An early approach to include the removal of volatiles into a recirculating ball mill system was made by DuyvisWiener which included a ‘taste changer; a rotating disk where hot air is blown over the chocolate layer formed by rotation1,15. These devices are still sold for small scale applications. F.B.Lehmann, now part of DuyvisWiener, katışıksız a long experience in building thin film evaporators and horizontal ball mills for cocoa processing and had also offered systems for chocolate mass production.
It provides the mixing of the necessary products to prepare the chocolate dough. It is the first step in making chocolate dough. In this part, the chocolate ensures homogeneous mixing.
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