Coffee powder container for commercial coffee machine to extract coffee-pump coffee machine coffee powder thickness
Coffee powder container for commercial coffee machine to extract coffee-pump coffee machine coffee powder thickness
One is the quality of grinding, which depends on the performance of the bean grinder. Today's technology still cannot grind coffee beans into a completely consistent coffee powder, and the difference in particle size will affect the stability of the extraction process.
The second is the convection of water, which goes back to the example of perfect extraction of two drops of water: a cup of coffee needs to extract not a coffee powder, but a pile, even if the particles are exactly the same size. we can't exchange each with two drops of water, which leads to the next factor.
The strength of convection
When we apply convection to hand flushing, there are many schools on the market: segmented water injection, one-time water injection, fast flushing, slow flushing, turning from the inside to the outside, flushing only in the center, there is also a very slow extraction of a little coffee and then diluted, and so on. The coffee produced by each genre has its own style, and the producers are often confident or even convinced of their own genre, but you may find that no matter which genre, you can make several kinds of coffee, some of which are not good at all.
To put it bluntly, the punching methods of these different schools mainly adjust the strength of convection, such as the strong convection of fast rush and the fierce exchange of water and coffee powder, which makes it easier to highlight the flavor and over-extract. The slow rush will be softer but the taste will be weaker.
There is a very important concept that the reasonable extraction rate will be between 18% and 22%. If we extract too much, we will drink bitterly and have a mixed smell. If it is less than 18%, the coffee we often drink will be sour. It must be mentioned that whether it is espresso or filtered coffee, the extraction rate is in this category.
Add water: open the lid of the water tank and pour in the right amount of water (calibrated in a coffee pot).
Put coffee powder: the electric coffee pot has a special container for holding coffee powder, and the effect of adding filter paper is better. The amount of coffee powder is determined according to each person's hobby, generally 2 tablespoons and 1 cup coffee powder is appropriate. Then wet the coffee powder and filter paper with a small amount of boiling water.
Turn on: the electric coffee maker should be turned on after the preparation is ready, plug in the power supply and turn on the switch of the electric coffee machine.
Extraction: when the coffee in the coffee pot reaches the desired cup, turn off the power switch. At this time you can enjoy a cup of strong coffee:)
Cleaning: the parts to be cleaned include water containers, coffee powder containers, (if filter paper is used, discard it), but be careful not to spill water into the electrical part of the pot holder, let alone immerse the whole electric coffee pot in water. so as not to damage the electrical components and the control mechanism.
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