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Coffee brewing method-the cause and influence of uneven flow velocity of double Espresso

Coffee brewing method-the cause and influence of uneven flow velocity of double Espresso

When we use a double bowl of powder to make coffee on a semi-automatic coffee machine, there is occasionally a slow flow of coffee, coming out first and then out, with more coffee on one side and less coffee on the other at the same time. In today's article, Chen Lei will discuss with his friends: the flow rate of double Espresso is uneven. 1. The common reasons for the uneven flow velocity of double Espresso are

2015-11-30
Introduction of Ethiopian Coffee beans

Introduction of Ethiopian Coffee beans

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-06-03
There are several grades of Ethiopian coffee.

There are several grades of Ethiopian coffee.

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-06-01
Introduction to the appearance characteristics of Ethiopian Coffee

Introduction to the appearance characteristics of Ethiopian Coffee

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-06-03
Introduction to the characteristics, Analysis and quality of Ethiopian Coffee

Introduction to the characteristics, Analysis and quality of Ethiopian Coffee

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-06-03
Analysis and introduction of Coffee Variety and quality in Ethiopia

Analysis and introduction of Coffee Variety and quality in Ethiopia

The biggest disadvantage is that it is easy to bake unevenly, especially sun-dried beans. Even the best Grade3 Harald sun-dried beans often show uneven color, which is the biggest defect of Ethiopian beans, but the good thing is that it does not affect its good flavor. For coffee fans, you don't have to worry about what the beans look like, it's the most important thing. The stability of Ethiopian water-washed beans is much better than that of sun-dried beans, which has an annual flavor.

2016-06-12
Introduction to the grading system of Yejiaxuefei Coffee beans the characteristics of G1 flavor and taste of Yejiaxuefei coffee beans

Introduction to the grading system of Yejiaxuefei Coffee beans the characteristics of G1 flavor and taste of Yejiaxuefei coffee beans

Yega Xuefei Coffee rating Plan can be divided into five levels: Ethiopian beans are easily recognizable. Most of the beans are small and pointed long beans, the so-called longberry, and often mixed with small oval-shaped short beans, the so-called shortberry, looks uneven in size and uneven in appearance

2022-08-30
An introduction to the Flavor description of the Manor in Xidamo Shachiso, Ethiopia

An introduction to the Flavor description of the Manor in Xidamo Shachiso, Ethiopia

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-10-09
Introduction to Ethiopian coffee beans with mostly small grains and long, pointed beans

Introduction to Ethiopian coffee beans with mostly small grains and long, pointed beans

Ethiopian beans are easily recognizable, mostly small and pointed long beans, known as longberry, and often mixed with small oval-shaped short beans, called shortberry, which look uneven in size and appearance. The commercial bulk beans of Grade4 or Grade5 are mostly mixed with hundreds of different crystal seeds in different producing areas, so the phenomenon of uneven bean phase is the most obvious.

2016-06-21
Which two points should be paid attention to most when grinding coffee beans?

Which two points should be paid attention to most when grinding coffee beans?

1. The friction heat is suppressed to the minimum. (the aroma will be scattered due to fever) 2. Whether the size of the grain is uniform or not. If the particles are uneven, the concentration will be uneven. Taking these two points into consideration, if you are a household mill, you should rotate gently and make sure that it does not produce friction heat as much as possible. Therefore, it is more appropriate to use electric grinders. The use of mills

2016-05-25
Grade analysis of Ethiopian coffee beans how to choose siphon coffee maker

Grade analysis of Ethiopian coffee beans how to choose siphon coffee maker

Ethiopian coffee has the highest citrus aroma in the world. Whether instant coffee or freshly ground coffee, the aroma of orange or lemon can be smelled during extraction. The nose is characterized by strong floral, fruity, sour and sweet aromas, but the alcohol is slightly thicker or less dense. The biggest disadvantage is that it is easy to bake unevenly, especially sun-dried beans. Even the best Grade3 Harald sun-dried beans

2016-06-05
Why is it so difficult to brew espresso in boutique coffee?

Why is it so difficult to brew espresso in boutique coffee?

The problems with making a great espresso are mostly due to two factors: the uneven flow of water and the fact that the aroma of coffee is very volatile. Water flow problems-modern espresso machines can produce water pressure of 120 to 130 pounds, while coffee cakes are less than half an inch thick. And the big problem with espresso comes from

2014-12-04
The function of the construction mold of coffee beans what is the function of coffee beans

The function of the construction mold of coffee beans what is the function of coffee beans

However, the most important thing to pay attention to when grinding coffee beans is the following two points: ① friction heat suppression to a minimum. (the aroma will be dispersed due to 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 gently and be careful not to produce friction heat as much as possible. So use the electric type.

2016-07-16
Introduction to the flavor and taste of Ethiopian coffee beans grading of Ethiopian coffee beans

Introduction to the flavor and taste of Ethiopian coffee beans grading of Ethiopian coffee beans

Ethiopian beans look a little malnourished. However, the appearance of beans, Ethiopian coffee can be ranked as the world's most citrus aroma, whether instant coffee or freshly ground coffee, the extraction will smell the pungent aroma of orange or lemon. The nose is characterized by strong floral, fruity, sour and sweet aromas, but the alcohol is slightly thicker or less dense. The biggest disadvantage is that it is easy to bake unevenly, especially

2016-07-22
Introduction to the flavor and taste characteristics of Ethiopian coffee manor with rich floral flavor

Introduction to the flavor and taste characteristics of Ethiopian coffee manor with rich floral flavor

The nose is characterized by strong floral, fruity, sour and sweet aromas, but the alcohol is slightly thicker or less dense. The biggest disadvantage is that it is easy to bake unevenly, especially sun-dried beans. Even the best Grade3 Harald sun-dried beans often show uneven color, which is the biggest defect of Ethiopian beans, but the good thing is that it does not affect its good flavor. For coffee fans, don't worry about what the beans look like.

2016-08-10
Rich floral flavor of Ethiopian coffee the characteristics of the manor area introduce high-quality coffee beans

Rich floral flavor of Ethiopian coffee the characteristics of the manor area introduce high-quality coffee beans

Ethiopian coffee has the highest citrus aroma in the world. Whether instant coffee or freshly ground coffee, the aroma of orange or lemon can be smelled during extraction. The nose is characterized by strong floral, fruity, sour and sweet aromas, but the alcohol is slightly thicker or less dense. The biggest disadvantage is that it is easy to bake unevenly, especially sun-dried beans. Even the best Grade3 Harald sun beans are often

2016-08-03
Yega Chefe, Ethiopia Yega Chefe Manor Cup holder

Yega Chefe, Ethiopia Yega Chefe Manor Cup holder

Ethiopian coffee beans taste Ethiopian coffee beans feature Ethiopian beans look a little malnourished. However, the appearance of beans, Ethiopian coffee can be ranked as the world's most citrus aroma, whether instant coffee or freshly ground coffee, the extraction will smell the pungent aroma of orange or lemon. The entrance is characterized by strong floral, fruity, sour and sweet aromas, but mellow.

2016-05-22
The types and roasting degree of coffee beans introduce how coffee beans make coffee

The types and roasting degree of coffee beans introduce how coffee beans make coffee

However, the most important thing to pay attention to when grinding coffee beans is the following two points: ① friction heat suppression to a minimum. (the aroma will be dispersed due to 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 gently and be careful not to produce friction heat as much as possible. So use electricity.

2016-07-18
Classification of coffee beans in Ethiopia

Classification of coffee beans in Ethiopia

The stability of Ethiopian water-washed beans is much better than that of sun-dried beans, whose flavor fluctuates greatly every year, so be sure to test it several times before buying in large quantities. If you buy good sun-dried beans, their flavor is much deeper than water-washed beans, but if you buy improperly handled sun-dried beans, it will certainly make people speechless, which is the wish of many coffee fans. How many Arabica subspecies are there in Ethiopia?

2016-06-06
Espresso cloth Powder experience Italian Coffee skills Coffee Powder techniques

Espresso cloth Powder experience Italian Coffee skills Coffee Powder techniques

The copyright belongs to the author. Commercial reprint please contact the author for authorization, non-commercial reprint please indicate the source. Author: Liu Yang Link: http://www.zhihu.com/question/25329581/answer/30482155 Source: Zhihu starts with the question itself! Personally, I don't think the esp made with uniform density in the powder bowl will taste better. Especially the concave structure of the single powder bowl.

2015-11-07
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