Hakkında Chocolate Melting Tank
Hakkında Chocolate Melting Tank
Blog Article
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 as water.
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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.
Then run enough tests on their machines with your own recipe in order to make a qualified final decision.
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Conching is a process that helps develop the flavor, smoothness and mouthfeel of chocolate. It involves continuously agitating and aerating the chocolate mass over an extended period of time at elevated temperatures, which CHOCOLATE PREPARATION MIXER reduces acidity, removes unwanted flavors and enhances the smoothness of the chocolate. Conching also further refines the particle size of cocoa solids.
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 has to move fast, for example, if pumped or sprayed infinite viscosity is more important and roller refiners might be preferential.
Using our küresel experience across chocolate manufacturing, we dirilik customize your solution to meet your precise requirements. Our experienced engineers birey help you tasar, implement and support new technology to improve quality, efficiency and safety for your plant.
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The tanks are water-jacketed stainless steel construction with digital controls for melting & conditioning or tempering.
The largest difference is rather an economical one, kakım very expensive cocoa butter is replaced by relatively inexpensive alternative fats.
Recently, Bühler seems to have followed a similar strategy. For compounds the company offers a ball mill solution called SmartChoc™ with a horizontal ball mill and a shear mixer.
Uygun değer temperature control using full jacket design, efficient insulation and efficient heat exchangers
The key to a good bake is making sure your measurements are precise. Use a baking scale to ensure you’re putting just