Basic knowledge of coffee how to use a semi-automatic coffee machine

Semi-automatic coffee machine, commonly known as handle machine, is a traditional Italian coffee machine. This kind of machine relies on manual operation to grind powder, press powder, load powder, brew, and manually remove residues. It requires high requirements for operators and requires professional training to extract high-quality Italian coffee, and it is not easy to maintain the consistency of coffee quality. Today we will talk about how to use a semi-automatic coffee machine.

Semi-automatic coffee machine

How do I use the semi-automatic coffee machine? Semi-automatic coffee machine usage:

1. Scoop the coffee powder into the handle and cut off the excess coffee powder with a flat knife or spoon.

2. tap the handle to make the coffee powder evenly distributed and make the coffee powder more compact.

3. Press the coffee in the handle with a press stick and flatten the coffee powder with about 30 jin of strength.

4. Put the handle into the brewing head of the semi-automatic coffee machine, press the key to extract the coffee, and 18-28 seconds later a cup of concentrated Espresso is extracted. It should be noted that the semi-automatic coffee machine should be preheated before use and the old water left in the water pipe can be discharged before use.

The semi-automatic coffee machine uses about 10 atmospheres to force the hot water around 90C to pass through about 10 grams of fine, compacted coffee powder, absorbing coffee fat and other aromatic substances in the coffee powder, and fully dissolving with the hot water and flowing into the cup, the whole process is a comprehensive process of physical and chemical changes, completed in 18-28 seconds, in order to effectively avoid the bad smell caused by excessive extraction.