Için basit anahtar Chocolate SINGLE TUBE BALL REFINER örtüsünü

Although nowadays many companies claim their systems are fully automated, small scale producers should realistically consider the skills of their operators, the ease of operation and the need for maintenance. In this aspect, systems with a simple machine layout might be preferable.

The conch is a large kneader, where the powdery flakes from the refiners are treated with a large amount of mechanical energy input, usually over several hours. This is where most of the transformations described in the introduction of this article takes place.

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We prefer a good solid infrared thermometer but in the end what matters is it's calibrated right and gives you a reliable reading. If that's a wire probe, or infrared the most important thing is accuracy and relability both in roasting and tempering. 

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Although both machines are used for chocolate making, there are some significant differences between a chocolate refiner and a cocoa melanger. A cocoa melanger is a stone grinder used to grind cocoa nibs into chocolate liquor.

Some time ago it was very difficult to find equipment for small scale chocolate making. This saf changed; now there are a number of ball mill-based systems on the market and also smaller scale roll refiners have been developed.

Ball refining is one of the chocolate micronization techniques. In order to get efficient results, process should not exceed grinding down by 50 Chocolate Melting Tank 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 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 bitiş size, usually below 30µm in order to avoid 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.

The steel belt transport system is specially designed to efficiently transport chocolate flake from the pre-refiner to the five roll refiner and from the five roll refiner to the conches. Motor power varies by conveyor length.

An improved dry run camera system with a larger (30 cm) monitoring range helps to avoid roll dry runs. Shear pins are designed to prevent major damage caused by foreign bodies in the roll gap and Finer S offers you pressure monitoring for hydraulics, water and air.

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 not done elsewhere those devices are also able to debacterise cocoa liquor.