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Matters needing attention in the extraction of espresso? Coffee extraction

Matters needing attention in the extraction of espresso? Coffee extraction

1. Precautions for the use of the spherical liquid separation funnel: 1) before use, the glass piston should be coated with a thin layer of Vaseline, but not most of it, so as not to block the flow hole. When in use, the left hand tiger mouth resists the funnel ball and rotates the piston with the thumb and index finger to control the filling of liquid. At this time, the small groove of the glass piston should be aligned with the small hole on the side of the funnel mouth before the liquid filling can be carried out smoothly. 2) when acting as a liquid dispenser, the lower end of the funnel cannot

2015-11-02
What is a pump?

What is a pump?

Pump common name pump, its translation "pump." Pumps are often used to increase or decrease the pressure of fluids or gases, and pressure changes can be used to do work. Such as bicycle pump, when the piston inside the pump moves up and down, the air in the pump will be forced into the tire. This combination of cylinder and piston can be used in gasoline power generation devices. Pump is the use of mechanical rotary motion or reciprocating motion to

2015-07-24
What is a pump? Pump

What is a pump? Pump

Pump help Pu popular name pump, its translation "pump". Pumps are often used to increase or decrease the pressure of a fluid or gas, and changes in pressure can be used to do work. Like a bicycle pump, when the piston in the cylinder moves up and down, the air in the cylinder will be pressed into the tire. This combination of cylinders and pistons can be used in gasoline-powered devices. The pump is the use of mechanical return

2015-06-06
On the Fusion and injection of Coffee

On the Fusion and injection of Coffee

1. Cup height: refers to the distance between the milk jar and the coffee cup, the distance between the normal milk jar and the coffee cup is about 510 cm (reference), it should be the distance between the cylinder mouth and the coffee liquid level. Each lesbian is different on this point, there is no exactly the same height and distance, there is no fixed height, but the purpose is only one thing, that is, to fully integrate milk foam and coffee.

2016-08-20
General knowledge on the concept of Powder-Water ratio of individual Coffee

General knowledge on the concept of Powder-Water ratio of individual Coffee

The horizontal axis is the extraction rate, the vertical axis is the concentration, assuming that the coffee powder is 20g, then the coffee liquid obtained when the concentration is 1.35% within the gold cup and the extraction rate is 18%. The coffee liquid obtained when the extraction rate is 1.35%, 1.35%, 266g, 1.35%, 1.35%, and the extraction rate is increased to 22%. The coffee liquid is 20, 22%, 1.35%, and 325g. The extraction rate will remain 22%. The constant concentration will be 1.15%. The liquid of coffee is 20% 22% Coffee 1.1.

2015-03-13
What is a pump? Pump is the use of mechanical rotary motion or reciprocating motion

What is a pump? Pump is the use of mechanical rotary motion or reciprocating motion

Pump help Pu popular name pump, its translation "pump". Pumps are often used to increase or decrease the pressure of a fluid or gas, and changes in pressure can be used to do work. Like a bicycle pump, when the piston in the cylinder moves up and down, the air in the cylinder will be pressed into the tire. This combination of cylinders and pistons can be used in gasoline-powered devices. The pump is the use of mechanical return

2015-09-16
Semi-automaton foam dispels the rotation of the liquid surface of the whole strategy.

Semi-automaton foam dispels the rotation of the liquid surface of the whole strategy.

When passing away the foam, the liquid surface of the milk will naturally move along a certain track, which is generally divided into two kinds: round rotation and tumbling up and down. What kind of track will make it easier for the milk to send out the foam? For most beginners, when we foam in the steam pipe on the left-hand side, a clockwise circular rotation is the best trajectory, and when we are on the left-hand side, we can choose to still

2014-07-24
Water ratio of hand-brewed coffee on the concept of powder-to-water ratio of single coffee

Water ratio of hand-brewed coffee on the concept of powder-to-water ratio of single coffee

The horizontal axis is the extraction rate, the vertical axis is the concentration, assuming that the coffee powder is 20g, then the coffee liquid obtained when the concentration is 1.35% within the gold cup and the extraction rate is 18%. The coffee liquid obtained when the extraction rate is 1.35%, 1.35%, 266g, 1.35%, 1.35%, and the extraction rate is increased to 22%. The coffee liquid is 20, 22%, 1.35%, 325g, the extraction rate is 22%. The constant concentration will be 1.15%. The liquid of the resulting coffee is 20% 22% gamma 1

2015-10-16
The choice of how to open a coffee shop coffee cup

The choice of how to open a coffee shop coffee cup

Coffee must be professional, professional must pay attention to detail. Can make good coffee, it is necessary to use a good cup, different coffee, in fact, the requirements for the cup are also different. Chinese teacups are definitely the ancestors of coffee cups. The world's three largest drinks: tea, coffee, cocoa (ranked by the length of history, absolutely first). If the water of the teacup is deep, the coffee cup is not so deep. After all, Tao

2015-01-12
The Fusion and injection of Coffee pattern the skill of Italian blending of Coffee beans

The Fusion and injection of Coffee pattern the skill of Italian blending of Coffee beans

First of all, the main point: the integration of 1. Cup height: refers to the distance between the milk jar and the coffee cup, the distance between the normal milk jar and the coffee cup is about 510 cm (reference), it should be the distance between the cylinder mouth and the coffee liquid level. Each lesbian is different on this point, there is no exactly the same height and distance, there is no fixed height, but the purpose is only one thing, that is, to let the milk foam

2016-07-28
How to detect the weight of coffee concentration extract in the total amount of coffee liquid

How to detect the weight of coffee concentration extract in the total amount of coffee liquid

Coffee concentration refers to the weight of coffee extract in the total amount of coffee liquid. Because the liquid volume is different at different temperatures and is not easy to measure accurately, we generally ignore the volume percentage concentration and consider it through the mass percentage concentration. A large number of scientific experiments and consumption practices have shown that the concentration of follicular black coffee drinks that most consumers like to drink is lower than that of consumers.

2015-09-01
Black coffee with some foam coffee is not easy to spill.

Black coffee with some foam coffee is not easy to spill.

It is not easy for bleary-eyed people to bring a full cup of coffee from the kitchen to the restaurant. With the pace of the person, the liquid surface of the coffee will shake constantly, and a little shaking will overflow from the mouth of the cup. However, the situation of lattes covered with foam is different. These foams not only provide creative space for thermal insulation and coffee flowers, but also have excellent shock absorption.

2015-03-02
Italian Coffee Coffee pattern drawing skills-Heart shape

Italian Coffee Coffee pattern drawing skills-Heart shape

What I want to talk about today is the heart-shaped flower-drawing technique in coffee flower-pulling. Watching people who can pull flowers, I feel super simple, but when I really started to do it, I found that it was not as simple as it seemed. First, the main process of coffee pull. 1. Make a cup of espresso. 2. Dispense the milk foam, go up and down the milk tank, extinguish the air in the milk foam, shake the milk tank horizontally, and let the milk.

2015-04-17
Flower drawing technique Italian Coffee pattern drawing technique-Heart shape

Flower drawing technique Italian Coffee pattern drawing technique-Heart shape

What I want to talk about today is the heart-shaped flower-drawing technique in coffee flower-pulling. Watching people who can pull flowers, I feel super simple, but when I really started to do it, I found that it was not as simple as it seemed. Chen Lei did not record the video of the heart-shaped flower. Please go to the Internet to search for the video and watch it. Chen Lei talked about some techniques in heart-shaped flower drawing. First, the main reason for coffee pull

2014-10-22
Coffee knowledge About the concept of powder/water ratio of single-serve coffee

Coffee knowledge About the concept of powder/water ratio of single-serve coffee

The horizontal axis is the extraction rate. The vertical axis is the concentration. Assuming that the coffee powder is 20g, the coffee liquid obtained when the concentration is 1.35% and the extraction rate is 18%, in the gold cup range, should be 20*18%/1.35%=266g. The concentration is 1.35%. The extraction rate is increased to 22%. The coffee liquid obtained is 20*22%/1.35%=325g. The extraction rate is 22%. The concentration will be 1.15% the result coffee liquor is 20*22%/1.1

2015-01-05
Powder/water ratio concept of single-ingredient coffee Powder/water ratio of mantnin

Powder/water ratio concept of single-ingredient coffee Powder/water ratio of mantnin

The horizontal axis is the extraction rate. The vertical axis is the concentration. Assuming that the coffee powder is 20g, the coffee liquid obtained when the concentration is 1.35% and the extraction rate is 18%, in the gold cup range, should be 20*18%/1.35%=266g. The concentration is 1.35%. The extraction rate is increased to 22%. The coffee liquid obtained is 20*22%/1.35%=325g. The extraction rate is 22%. The concentration will be 1.15% the result coffee liquor is 20*22%/1.1

2015-11-04
How to judge the color of espresso ESPRESSO by the color of espresso coffee

How to judge the color of espresso ESPRESSO by the color of espresso coffee

Under the brewing of coating, what state will the concentrated color appear? The following photos show the color of coffee liquid in different extraction states. You can try to determine whether the extraction is complete. Generally speaking, coffee powder brewing should have several colors. Dark brown: water flowing down from the coffee machine, stable under water pressure, coffee particles saturated with water, and with the water flow to the filter cup

2016-03-14
The coffee extraction, the coffee extraction.

The coffee extraction, the coffee extraction.

1. Extract related terms to explain that 30% of the ingredients in coffee beans are soluble, and these 30% contain organic substances that provide aroma and taste. These organic substances contain all the good and bad properties, so it is not that the higher the extraction rate, the better the taste and aroma. In addition, moderate concentration is an important factor that can not be ignored for the overall taste.

2015-10-19
Explanation of the nouns related to coffee extraction

Explanation of the nouns related to coffee extraction

30% of the ingredients in coffee beans are soluble, and these 30% contain organic substances that provide aroma and taste. These organic substances contain all the good and bad properties, so it is not that the higher the extraction rate, the better the taste and aroma. In addition, a moderate concentration is an important factor that can not be ignored for the overall taste. (1) the method of concentration determination

2015-01-23
How to make fancy coffee taste better?

How to make fancy coffee taste better?

It is said that the Finns have a mantra to make coffee taste better, that is, if you say this to coffee, you will easily get delicious coffee.

2014-07-09
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