Knowledge of grinding coffee beans knowledge of grinding coffee beans
There are three kinds of grinding methods for coffee beans: "grinding", "grinding" and "mortar grinding".
1. Grinding:
Two rotating parts are used to squeeze and crush coffee beans. The grinding parts can be disc-shaped or conical. Conical machines are less noisy and less likely to block. The coffee powder produced by the grinding method is more uniform and the taste is more consistent when cooking. The design of the conical grinding disc reduces the required speed, which is generally less than 500 revolutions per minute. The slower the grinding speed, the less heat generated by friction, so the aroma of coffee is not easy to lose. By adjusting the grinding parameters, the cone grinder can be used for the preparation of different kinds of coffee. A better machine can grind the ultra-fine powder needed for Turkish coffee. Disc grinders generally have higher rotational speed and generate more heat, but they have a wide range of functions, economical and practical, and are suitable for the preparation of most household coffee.
two。 Polish:
Most modern machines actually cut coffee beans into pieces at a speed of 20, 000 to 30, 000 revolutions per minute (some people simply use beaters). The consumption of this kind of blade grinder is longer, but the accumulated heat in the grinding and the uneven size of the coffee chips make it difficult to produce high-quality drinks. In theory, this kind of grinder can only be used for drip coffee pots. The dust they produce can clog the filters in espresso and French press machines.
3. Molar mill:
If you can't find good grinding equipment, all you can do is to use a pestle and a mortar to slowly enjoy the fun of labor.
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Analysis of grinding or shelling process of coffee beans
Coffee beans should be ground before they are exported, that is, the endocarp of Arabian and Robbite coffee beans to be sold should be removed. The residual shell of coffee beans after removal and cleaning of endocarp and drying process is also known as peeling or peeling. It is more difficult to remove the endocarp of coffee beans during wet treatment than during drying, so different methods are needed.
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Common sense of blending coffee with coffee beans
People need to put coffee from different places together for several different purposes. The ideal goal, of course, is to piece together a coffee that tastes better than any of them. But generally speaking, Arabica coffee from a single origin is enough to make coffee that tastes good for export; it has a delicate flavor, a soft taste and a sweet aftertaste. So there is no need to match (that is, different places of origin
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