Home › Search › Valve

“Valve” search results (1229)

Coffee beans knowledge and freshness and packaging storage related knowledge

Coffee beans knowledge and freshness and packaging storage related knowledge

Green coffee beans (i.e., unroasted) do not spoil for years, but once they enter the roasting process, the aroma awakens and they begin to age day by day. Roasted coffee beans lose their flavor in three to four days if they are not properly preserved; properly stored, they may be allowed to extend the taste period by three or four months. Fresh coffee beans are easy to bubble out of the mellow nectar, tasteless coffee beans even gods are difficult. Green coffee beans are bad.

2015-01-26
How thick is the bubble thickness required for cappuccino?

How thick is the bubble thickness required for cappuccino?

The copyright belongs to the author. Commercial reprint please contact the author for authorization, non-commercial reprint please indicate the source. Author: Yang link: http://www.zhihu.com/question/20925734/answer/16673126 source: Zhihu thanks for the invitation. With regard to the thickness of milk bubbles, there should be no specific figures, of course, there is a fixed proportion, first a few pictures: 1.e

2015-11-10
What are the roasting degrees of coffee beans? what are the changes in different degrees of roasting?

What are the roasting degrees of coffee beans? what are the changes in different degrees of roasting?

What is the roasting degree of coffee beans? How does the taste change with different degrees of baking? With the deepening of roasting, the color of raw coffee beans changed from brown to black. The index used to indicate the roasting degree of coffee beans is called roasting degree, which is generally distinguished by the color of coffee beans. Now we often say that the order of baking degree from shallow to deep is: light baking, cinnamon baking, medium baking.

2016-06-14
Mocha kettle 1

Mocha kettle 1

Moka Pot the basic principle of the mocha pot uses pressurized hot water to quickly extract coffee liquid through coffee powder. The earliest mocha pot was made by Italian Alfonso Bialetti in 1933, and his company, Bialetti, has always been famous for producing this kind of coffee pot. Mocha coffee pots are commonly used in Europe. The mocha pot is divided into two parts, and the water is placed in the lower half.

2014-08-14
Italian combination of beans, fine coffee, bean cultivation and bean awakening methods. Time of bean cultivation, fine coffee

Italian combination of beans, fine coffee, bean cultivation and bean awakening methods. Time of bean cultivation, fine coffee

Bean cultivation: freshly roasted coffee beans emit carbon dioxide, making the pressure in the package higher than an atmospheric pressure, which helps to integrate aromatic substances with oils, making all the aromatic substances in the coffee beans easy to extract. The common one-way breather valve on the coffee bean bag is used to discharge the excess carbon dioxide to prevent the bean bag from being supported by carbon dioxide.

2016-07-01
Fresh coffee beans

Fresh coffee beans

Coffee beans fresh raw coffee beans (that is, unroasted coffee beans) will not decay for several years, once the raw beans enter the roasting process, after the aroma wakes up, they begin to age day by day. Roasted coffee beans will lose their taste in three to four days if they are not properly preserved. If they are properly stored, the taste period may be extended by three or four months. Fresh coffee beans are easy to soak into mellow jade, and off-flavor coffee beans are difficult for even immortals.

2014-06-26
Coffee brewing method: how to use the mocha pot correctly? What are the main points to pay attention to when using a mocha pot

Coffee brewing method: how to use the mocha pot correctly? What are the main points to pay attention to when using a mocha pot

How to use the mocha pot correctly if it is the first time to use the mocha pot, unscrew the top spout, remove the coffee filter, and check whether the filter and rubber band under the upper pot have been installed. Soak the mocha pot in hot water and wash it. Then dry it and pack it as it is. Then we can start making delicious coffee. 1. First pour warm water into the pot, pay special attention to it

2015-12-07
Coffee brewing method: the historical origin and operation method of mocha pot

Coffee brewing method: the historical origin and operation method of mocha pot

Today, when Italian coffee is popular all over the world, we are no stranger to Italian coffee machine, and even passers-by can name several Italian fancy coffee. But today we have more criticism and discrimination against the mocha pot, and we always question whether the coffee made by mocha is Espresso. In Italy, more than 90% of families own more than one family.

2015-12-02
A brief introduction to the mocha pot-the fundamentals of the introduction of baristas

A brief introduction to the mocha pot-the fundamentals of the introduction of baristas

Today, when Italian coffee is popular all over the world, we are no stranger to Italian coffee machine, and even passers-by can name several Italian fancy coffee. But today we have more criticism and discrimination against the mocha pot, and we always question whether the coffee made by mocha is Espresso. In Italy, more than 90% of families own more than one family.

2015-11-23
Basic knowledge of Coffee Preservation of roasted coffee beans

Basic knowledge of Coffee Preservation of roasted coffee beans

Non-airtight packaging: this is the most economical one. It is usually used by local small baking plants because they can guarantee prompt supply. Coffee beans can be consumed in time. Coffee beans in packaging can only be preserved for a short time. Air-tight packaging: suitable for bars, household or indirect supply (supermarkets, etc.). Small bags and canned bags are fine. After filling the coffee, vacuum and seal it. Due to

2015-04-21
Pump of coffee machine

Pump of coffee machine

From the understanding of the principle of the pump, the pump can be divided into three types: volumetric pump, power pump and electromagnetic pump. The volumetric pump is pressurized by changing the volume of the cavity, such as plunger pump, rotary plate pump, gear pump. Power pump is the impeller rotation work to promote the liquid to boost, such as vane pump, centrifugal pump and so on. An electromagnetic pump is used to transport a good liquid conductor. Volumetric pumps are used in places with high pressure and low flow.

2014-07-28
How to make coffee in a mocha pot

How to make coffee in a mocha pot

1. No matter what kind of mocha pot, whether single valve or double valve, you should choose Italian matching beans, that is, deep-baked matching beans. Because the mocha pot is a method of extracting coffee with high temperature and high pressure, the strong flavor of coffee is determined by its own method, which cannot be changed by man. If you choose a single bean that is light or medium-baked, it must be bitter and astringent.

2014-08-11
How to mix Italian creamy coffee with cinnamon chocolate powder and espresso

How to mix Italian creamy coffee with cinnamon chocolate powder and espresso

Italian espresso (Cappuccino) making and boiling A real espresso consists of 1/3 coffee (an espresso), 1/3 hot milk and 1/3 milk foam (half espresso and half hot milk in the cup). Milk foaming Note: be sure to use cold milk, hot milk is difficult to foaming. Will the cow

2016-07-13
Disassembly of giotto commercial-grade household machines

Disassembly of giotto commercial-grade household machines

I checked a lot of information before buying giotto. I know that when giotto was under ECM, it was a household machine with commercial configuration, so the internal structure and accessories used commercial-grade products. When the manufacturer delivered the goods, I also asked to record the whole process of debugging before shipment. Although I had seen the internal structure through the photos, and I was fond of fooling around, I still couldn't restrain my curiosity, so

2015-07-13
How to Save Coffee

How to Save Coffee

As far as gases are concerned, the specific gravity of carbon dioxide is higher than that of air. Therefore, in the same confined space, carbon dioxide will settle at the bottom and air will float at the top. After understanding this truth, when choosing a container or packaging bag, you can judge its versatility. Use an upright sealed jar to push fresh coffee beans to release oxygen

2014-09-04
Spaghetti coffee froth with steam pipe

Spaghetti coffee froth with steam pipe

There are three things to do when making milk foam: heat the milk, beat the milk foam, add milk to the milk kettle and add milk to 1 to 1 full start the steam valve to release the water in the steam stick. Insert the steam nozzle into the fresh milk surface about 3-5MM deep (depending on the steam nozzle and steam intensity will vary slightly) open the steam valve should hear a slight hiss at this time, control the kettle position

2014-09-19
How to use a mocha pot for fine coffee

How to use a mocha pot for fine coffee

In Italy, more than 90% of families own more than one mocha teapot, and such a high popularity rate may not even be comparable to our Chinese teapot. The traditional mocha pot is generally made of aluminum, which not only has the advantages of low price, durability and simple operation, but also can not extract the real Espresso, as long as the coffee beans and grinding are in place.

2014-11-18
The process of making ice drop coffee

The process of making ice drop coffee

1. According to the number of users, pour an appropriate amount of drinking cold water into the water bottle and put it back on the top cover. * the standard amount of water per person is about 120cc (if ice is added, the same amount of water should be deducted to avoid excessive amount of water and over-extraction). * due to the long dripping time, it is recommended to open it when adding an appropriate amount of ice, and it is better to keep the low temperature extraction flavor. Usage of ice drop coffee II. Close it first.

2016-06-04
Disassembly of Italian Coffee Machine giotto Commercial Grade Home Machine

Disassembly of Italian Coffee Machine giotto Commercial Grade Home Machine

I checked a lot of information before buying giotto. I know that when giotto was under ECM, it was a household machine with commercial configuration, so the internal structure and accessories used commercial-grade products. When the manufacturer delivered the goods, I also asked to record the whole process of debugging before shipment. Although I had seen the internal structure through the photos, and I was fond of fooling around, I still couldn't restrain my curiosity, so

2015-09-24
Coffee supplies Coffee utensils Mocha pot How to use

Coffee supplies Coffee utensils Mocha pot How to use

In Italy, more than 90% of households have more than one mocha pot, so high a penetration rate that even our Chinese teapot may not be able to match. Traditional mocha pots are generally made of aluminum. In addition to the advantages of low price, durability and simple operation, although it cannot extract the true Espresso, as long as the coffee beans and grinding are in place, it also has the same advantages.

2014-09-27
↑