Love coffee must see to teach you the correct choice of bean grinder
Single product bean grinder: single product bean grinder is divided into ghost teeth and flat knives. The particles of coffee powder ground by ghost teeth are close to round, and the ratio of coarse powder to fine powder is more uniform, so the coffee taste is cleaner, the flavor is more three-dimensional and full, but the machine price is higher. Flat knife grinding coffee powder particles are close to polygonal or flaky, easy to produce more fine powder, the cleanliness of the taste is slightly worse than that of ghost teeth.
Hand-held bean grinder: it is a bean grinder suitable for family use. The principle is to grind the coffee beans from coarse to fine with a fixed cutter head matched with a movable cutter head on the axis. The disadvantage is that the speed is slow, if the rapid grinding, will produce heat, so that the coffee powder lost the original aroma. And most of the hand bean grinders on the market do not have axis fixing device, which leads to uneven grinding due to axis shaking in the grinding process.
Household electric bean grinder, commonly known as "bean chopper". The principle is that with two blades, high-speed rotation to cut beans, chopping will not only appear very thick particles, but also produce a lot of fine powder. Such uneven coffee powder, no matter how good coffee beans, can not show its wonderful taste. And the heat generated in the process of high-speed rotation will make the coffee powder lose its original aroma. Not recommended.
Italian bean grinder
The Italian bean grinder is divided into a cone knife and a flat knife.
The cone knife type bean grinder is longitudinal grinding from top to bottom, with a long path, and its advantage is that it can use lower rotational speed to achieve a better grinding effect, and produces less heat energy, can retain more aroma of coffee powder, and the demon's thickness is more uniform, so that the flavor is clearer, but the price is also much more expensive.
The flat knife type bean grinder is ground in a horizontal way, and the grinding path is shorter and the speed is higher. High-speed grinding will produce more heat energy and fine powder, which has a great influence on the flavor of coffee powder.
Therefore, the size of the cutter head of the high-end Italian coffee machine is also larger, which can grind more coffee beans at one time, so as to increase the efficiency of grinding and avoid the opportunity of producing heat energy at high speed.
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Coffee lovers who like lattes may not be able to accept the bitterness of mellow coffee, or they may fall in love with the mellow and bitter aroma of milk and coffee, or they may like to stay on their lips. If you like lattes, learn to draw flowers with coffee. Coffee pull flower dancing tulips step 1: inject the milk foam from the center of the coffee with a little force.
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