The knack of grinding coffee beans
Coffee powder the grinding props for coffee beans are grinders. There are numerous types of mills ranging from manual at home to large electric ones for business. Household grinders can also be used as decorations, and the number of people need more than one grinding, or electric to facilitate.
According to the structure of the grinder, there are grinders that use vertical and horizontal groove blades to cut coffee beans and those that grind coffee with molars. Each has its own advantages, and the situation of business use tends to mass production of the electric type as the mainstream.
However, the following two points should be paid most attention to when grinding coffee beans:
The friction heat of ① is suppressed to a minimum. (the aroma will fly away because of the fever)
Whether the size of ② particles is uniform or not. (if the particles are uneven, the concentration will be uneven.)
Taking this as a consideration, if you are a household mill, you should rotate it gently and take care to avoid friction heat as much as possible. Therefore, it is more appropriate to use electric grinders.
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There are three kinds of methods for grinding coffee beans.
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. Research
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Grinding Technology of Coffee beans
Coffee powder in the Middle East, people still use the method of mashing beans into particles of different sizes, but when most people have gradually used bean grinders, Bella-Shavalin personally made an experiment on whether it is better to mash or grind. For public trust, and at the same time invited gourmet connoisseurs to taste the two kinds of coffee, in the end, everyone thought that the mashed coffee powder was better than grinding.
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