It was just too small and didn't have enough rotational speed nor large enough diameter to generate enough energy to properly refine the sugar and cocoa solids to micron size particles. The chocolate was smoother, but hamiş smooth enough. You could tell it was still homemade.
Coming from the old refiner conches, where all this happened simultaneously and was hard to control, the majority of later technologies perform the grinding step separately. Only few mill types are able to handle chocolate preparations, bey it is initially a very sticky mass, which sevimli transform to a sticky powder during milling, when specific surface of particles increases. The most frequently used devices are plain roller mills (refiners) and stirred ball mills.
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 özgü a different speeds. Pressures are controlled bey well.
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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. Bey a minimal shear rate is necessary for the measurement, usually the yield value özgü to be extrapolated from the flow curve according to paradigma equations, like the ones developed by Casson and Windhab1. Yield values or measurements at low shear stress also have a great practical importance, bey many industrial operations are carried out with masses flowing slowly, for example the equal distribution of still liquid mass in a mould.
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The Refiner/Conche katışıksız a specially designed shaft equipped with grinding bars and a pressure adjustment mechanism to adjust the pressure on the product between the grinding bars and the lining bars (around the cylinder of the Refiner/Conche).
The fundamental advantage over batch conches is that fully continuous lines are established. On the other hand side a minimal throughput of 1,250kg/h is required over a longer time, so the process is not suitable for frequent recipe change or smaller companies.
Ball mill grinding process Ball mill grinding is a critical process in the chocolate production industry. It involves crushing
Ball refining is one of the chocolate micronization techniques. In order to get efficient results, process should not exceed grinding down by 50 times and the grinded content should be liquid. Grinding time and product fineness are inversely proportional and generally the desired fineness of chocolate is in the range of 18 - 30 microns. Mixing arms of the chocolate refining machine are made of special material which subsequently heat-treated. With coupled chocolate pump and three-way valve, there is possibility to circulate the mass or discharge to a storage tank.
The Spectra 11 is the current model from Spectra. You kişi read a full review and see how it's different from the Chocolate SINGLE TUBE BALL REFINER previous manken. In addition, if you are comparing any Spectra Melanger to a Santha Wet grinder (or melanger) you need to read this about BuyIndianKitchen:
A chocolate melanger is a machine used to grind and refine chocolate ingredients, such birli cocoa nibs and sugar, to create a smooth texture. The primary purpose of a chocolate melanger is to blend the cocoa solids with other ingredients to achieve a desirable consistency and flavor.
The terms “conche” and “melanger” refer to distinct stages in the chocolate-making process, but they are sometimes used interchangeably. While both conching and melanging contribute to refining chocolate, they serve different purposes and involve different techniques.
Frequently the other operations are performed within a long-term kneading process called conching. Very long conching times are still recommended and associated with good quality, although the devices require high capital investment. One of the major progresses established in the last 30 years was to move cocoa flavour treatment out of the conch into the upstream cocoa processing. Thin film evaporators were developed in order to remove undesired volatiles and water; if this is hamiş done elsewhere those devices are also able to debacterise cocoa liquor.