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 kakım water.
Equipment on a uçman plant scale for is used for testing and experimenting with the process and product development of chocolates and compound coatings.
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.
Conching is a process that dirilik take anywhere from a few hours to several days, depending on the desired flavor development and texture of the chocolate.
It occupies asgari space and that places it apart from the Standard ball refiner systems. Due to its modular structure, the components and the capacity of the machine güç be changed and scaled birli required
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Schmidt also offers technical assistance on repair services for chocolate making equipment, understands clients needs for quick turnarounds, ability to handle "rush" jobs, great service and ferde notch engineering.
• Comprehensive Chocolate HORIZONTAL BALL REFINER suite of control and monitoring functions including maintenance, energy monitoring, storage and downloading veri for production along with safety protection and process monitoring
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If you’re considering acquiring a panning machine for chocolate, then it’s important to know what to look for. Professional chocolatier Simon Knott shares his experience with chocolate panning machines, and his buying tips.
After those, particle size distribution and particle package density are also important. Equal or monomodal particle sizes would create large voids filled with fat. With a bi- or multimodal distribution it is possible to replace this trapped fat by the appropriate size solid particles, which also helps larger particles to slip past each other when the suspension is moved.
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