KR101916322B1 - Coffee extracting system of maintaining coffee aroma and method of extracting coffee using thereof - Google Patents
Coffee extracting system of maintaining coffee aroma and method of extracting coffee using thereof Download PDFInfo
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- KR101916322B1 KR101916322B1 KR1020150120130A KR20150120130A KR101916322B1 KR 101916322 B1 KR101916322 B1 KR 101916322B1 KR 1020150120130 A KR1020150120130 A KR 1020150120130A KR 20150120130 A KR20150120130 A KR 20150120130A KR 101916322 B1 KR101916322 B1 KR 101916322B1
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- Prior art keywords
- coffee
- liquid
- extractor
- extraction water
- extracted
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/007—Apparatus for making beverages for brewing on a large scale, e.g. for restaurants, or for use with more than one brewing container
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/02—Coffee-making machines with removable extraction cups, to be placed on top of drinking-vessels i.e. coffee-makers with removable brewing vessels, to be placed on top of beverage containers, into which hot water is poured, e.g. cafe filter
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
- A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
Abstract
A coffee extracting system for maintaining a coffee aroma and a coffee extracting method using the same are disclosed. A coffee extracting system for maintaining a coffee aroma according to an embodiment of the present invention comprises: an extraction water storage tank for storing extracted water; A coffee extractor for receiving the pulverized coffee beans and extracting the coffee liquor from the extracted water storage tank; A gas-liquid separator connected to the coffee extractor for separating the liquid coffee liquid and the vapor-phase coffee liquid from the coffee liquid containing the foam extracted from the coffee extractor; And a balance tank in which the liquid coffee liquid separated from the gas-liquid separator and the gaseous coffee aroma are cooled and introduced.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee extracting system for maintaining a coffee aroma and a coffee extracting method using the coffee extracting system. More particularly, the present invention relates to a coffee extracting system for retaining coffee aroma, Extraction method.
In recent years, demand for coffee has been increasing as living standards have increased with income, and coffee makers and coffee shops selling coffee beverages are increasing.
Especially, espresso coffee using coffee beans is widely known as consumers have increased knowledge of taste and aroma of coffee. Espresso coffee is a high-pressure hot water supplied to ground coffee beans to extract a thick coffee liquid.
And by adding hot water to the espresso coffee, it produces a coffee with an aroma and flavor similar to Americano. As such, espresso coffee is the basic raw material of various types of coffee beverages.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a drawing showing an extraction process of espresso coffee according to the prior art.
The process of extracting espresso coffee according to the prior art will be described with reference to FIG.
The espresso coffee extraction according to the prior art is carried out by using a transfer pump to pressurize the coffee beans pulverized with hot water while flowing hot water from the lower part to the upper part of the
The coffee liquid extracted from the
However, conventionally, since the bubbles generated during the process of extracting the coffee liquid are separated and discharged, there is a problem that a lot of fragrance inherent in the coffee is lost in the extracted coffee liquid.
SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a coffee extraction system capable of preventing the loss of the inherent flavor of coffee during the coffee extraction process, and a coffee extraction method using the same.
According to an aspect of the present invention, there is provided an extraction water storage tank for storing extraction water; A coffee extractor for receiving the pulverized coffee beans and extracting the coffee liquor from the extracted water storage tank; A gas-liquid separator connected to the coffee extractor for separating the liquid coffee liquid and the vapor-phase coffee liquid from the coffee liquid containing the foam extracted from the coffee extractor; And a balance tank in which a liquid coffee liquid separated in the gas-liquid separator and a balance tank in which gaseous coffee aroma is cooled and flows in can be provided.
A first cooler provided between the gas-liquid separator and the balance tank for cooling the gaseous coffee aroma separated from the gas-liquid separator; And a second cooler provided between the gas-liquid separator and the balance tank for cooling the liquid coffee liquid separated in the gas-liquid separator.
A heat exchanger connected to the balance tank for cooling the coffee liquid mixed with the liquid coffee liquid and the gaseous coffee flavor; And a coffee liquid storage tank connected to the heat exchanger and storing the mixed coffee liquid cooled in the heat exchanger.
Wherein the coffee extractor comprises: a body portion having a first extraction water supply passage for receiving the ground coffee beans, the extraction portion being communicated to the extraction water storage tank and supplied with extraction water to the side portion; An upper cover coupled to an upper portion of the body portion, the upper cover including a second extraction water supply channel communicated with the extraction water storage tank and supplied with extraction water, and a first coffee liquid discharge channel through which the extracted coffee liquid is discharged; And a lower cover coupled to a lower portion of the body portion and including a third extraction water supply channel communicated with the extraction water storage tank and supplied with extraction water and a second coffee liquid discharge channel through which the extracted coffee liquid is discharged have.
The upper lid may further include a bypass flow path for regulating the internal pressure of the body portion applied by the extracted water.
According to another aspect of the present invention, there is provided a method of making a coffee beverage, comprising: grinding ground coffee beans in a coffee extractor; Supplying extraction water to the coffee extractor to extract a coffee liquid; Supplying a coffee liquid containing the foam extracted from the coffee extractor to a gas-liquid separator to separate a liquid coffee liquid and a gaseous coffee aroma; And a step of cooling the liquid coffee liquor and the gaseous coffee liquor respectively in the case of separating the liquid coffee liquor and the gaseous coffee liquor, supplying them to the balance tank and mixing them, can be provided.
And cooling the liquid coffee beans and the gaseous coffee beans separately and supplying them to the balance tank when the liquid coffee beans and the gaseous coffee beans are separated from each other.
And cooling and storing the liquid liquid coffee mixture and the gaseous coffee liquid mixed in the balance tank through a heat exchanger.
Wherein the step of extracting the coffee liquid comprises the steps of: supplying extraction water to the coffee extractor through a first extraction water supply channel provided on the side of the coffee extractor, separating the ground coffee beans contained in the coffee extractor into upper and lower portions And extracting the coffee liquid by pressurization; The extraction water is supplied to the coffee extractor through the second extraction water supply channel provided at the upper portion of the coffee extractor, the ground coffee beans moved to the upper portion of the coffee extractor are moved to the lower portion of the coffee extractor, Extracting; And extracting water is supplied to the coffee extractor through a third extraction water supply channel provided below the coffee extractor so that the ground coffee beans moved to the lower portion of the coffee extractor are moved to the upper portion of the coffee extractor and pressurized, And extracting the extracted data.
Wherein the step of extracting the coffee liquid further comprises a step of extracting the coffee beverage through the bypass line provided in the coffee extractor when the internal pressure of the coffee extractor exceeds a predetermined pressure by the extracted water supplied through the third extracted- And adjusting the internal pressure of the extractor.
The embodiment of the present invention can prevent the loss of the inherent fragrance of the coffee by separating the liquid coffee liquid and the gaseous coffee liquid from the coffee liquid containing the foam extracted from the coffee extractor and cooling them and mixing them.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a drawing showing an extraction process of espresso coffee according to the prior art.
2 is a schematic diagram illustrating a coffee extraction system according to an embodiment of the present invention.
FIGS. 3A through 3D are views showing a coffee extracting process according to an embodiment of the present invention. FIG.
4 is a view showing a drying process after completion of a coffee extraction process according to an embodiment of the present invention.
In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.
Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.
FIG. 2 is a schematic view illustrating a coffee extraction system according to an embodiment of the present invention, FIGS. 3A to 3D are views showing a coffee extraction process according to an embodiment of the present invention, and FIG. FIG. 5 is a drawing showing a drying process after completing the coffee extraction process according to the embodiment
Referring to FIG. 2, the
The extraction
In this embodiment, the extraction water includes cold water of 10 ° C or lower, middle temperature water of 30 to 50 ° C, and hot water of 90 to 100 ° C.
The extracted water stored in the extraction
To this end, the first pipe P1 is provided with an extracted
The extraction
And, while the extracted water flows along the first pipe P1, the first pipe P1 is provided with a
The extracted water through the
In this embodiment, the
The
Referring to FIG. 2 and FIG. 3A to FIG. 3D, the
A
In the present embodiment, the
Here, the first extracted
The extracted water stored in the extraction
The extracted water flowing first along the first pipe P1 is cooled by the first pipe P1 so that the temperature of the extracted water supplied to the
In this embodiment, the average particle size of the ground coffee beans C contained in the
When the average particle size of the ground coffee beans (C) is smaller than 1.0 mm to 1.8 mm, the extraction amount of the coffee beans is decreased due to disturbance of the extracted water. When the average particle size is larger than 1.0 mm to 1.8 mm, It is difficult to obtain a coffee extract.
3A to 3D, the
3A to 3D, the second extraction water
The process of extracting the coffee liquid will be described with reference to FIGS. 3A to 3D.
In this embodiment, a process of extracting a coffee liquid having a concentration of 3.0 brix or more by introducing 2000 liters of extraction per 200 kg of ground coffee beans (C) will be described.
As shown in FIG. 3A, the
3B, the extracted water is supplied to the first extracted
Specifically, 900 l of extraction water is supplied to the first extraction water
As the ground coffee beans C are separated and moved to the upper part and the lower part by the extracted water from the inside of the
In the present embodiment, at least one first extraction
In this embodiment, the pulverized coffee beans C received in the
3C, the extracted water is supplied to the second extracted water
Specifically, 300 l of extraction water is supplied to the second extraction
As the ground coffee beans C located at the upper part of the
In the present embodiment, at least one second extraction
3D, the extracted water is supplied to the third extraction
More specifically, 800 L of extraction water is supplied to the third extraction
In the present embodiment, at least one third extraction
The coffee liquid extracted through the third extracted water
As described above, in the coffee liquid extracting process according to the present embodiment, the extraction water is supplied to the first extraction water
When the extracted coffee beans C are moved to the upper and lower portions of the
That is, in the present embodiment, the extracted water is supplied to the side, upper and lower sides of the
Accordingly, it is possible to uniformly maintain the internal pressure distribution of the
Also, in this embodiment, coffee ground beans C ground in the
When the internal pressure of the
Therefore, the
Particularly, when the internal pressure of the
As described above, the coffee liquid extracted from the
However, conventionally, since the bubbles generated during the process of extracting the coffee liquid are separated and discharged, there is a problem that a lot of fragrance inherent in the coffee is lost in the extracted coffee liquid.
Therefore, the
The gas-
The coffee liquid discharged through the first coffee
The liquid coffee liquid separated in the gas-
Accordingly, the
In addition, the
The
The mixed coffee liquid filled in the
In this embodiment, the coffee liquid flowing into the
The coffee liquid cooled in the heat exchanger (600) is transferred to and stored in the coffee liquid storage tank (700).
On the other hand, when the coffee extraction process is completed, the ground coffee beans C contained in the
4, the process of separating and discharging the ground coffee beans C from the
As shown in FIG. 2, in this embodiment, the
3A to 3E, the second extraction
The ground coffee beans C contained in the
As described above, after the coffee extracting process is completed, the ground coffee beans C contained in the
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.
100: Coffee extraction system 200: Extracted water storage tank
300: coffee extractor 310: body part
311a: First extraction water supply flow passage 330:
331a: second extracted
335a:
350:
353a: second coffee liquid discharge duct 400: gas-liquid separator
410: first cooler 430: second cooler
500: balance tank 600: heat exchanger
700: Coffee tank
Claims (9)
A coffee extractor for receiving the pulverized coffee beans and extracting the coffee liquor from the extracted water storage tank;
A gas-liquid separator connected to the coffee extractor for separating the liquid coffee liquid and the vapor-phase coffee liquid from the coffee liquid containing the foam extracted from the coffee extractor; And
And a balance tank in which a liquid coffee liquid separated in the gas-liquid separator and a gaseous coffee aroma are cooled and introduced.
A first cooler provided between the gas-liquid separator and the balance tank for cooling the gaseous coffee aroma separated from the gas-liquid separator; And
And a second cooler provided between the gas-liquid separator and the balance tank for cooling the liquid coffee liquid separated in the gas-liquid separator.
A heat exchanger connected to the balance tank for cooling the coffee liquid mixed with the liquid coffee liquid and the gaseous coffee flavor; And
And a coffee liquid storage tank connected to the heat exchanger and storing a mixed coffee liquid cooled in the heat exchanger.
The coffee extractor comprises:
A body portion having a first extraction water supply flow passage for receiving the pulverized coffee beans and communicating with the extraction water storage tank and supplying extraction water to the side portion;
An upper cover coupled to an upper portion of the body portion, the upper cover including a second extraction water supply channel communicated with the extraction water storage tank and supplied with extraction water, and a first coffee liquid discharge channel through which the extracted coffee liquid is discharged; And
And a lower cover which is coupled to a lower portion of the body portion and has a third extraction liquid supply passage communicated with the extraction water storage tank and supplied with extraction water and a second coffee liquid discharge flow passage through which the extracted coffee liquid is discharged, Coffee extracting system.
Wherein the upper cover comprises:
And a bypass flow path for regulating the internal pressure of the body portion applied by the extraction water.
Supplying extraction water to the coffee extractor to extract a coffee liquid;
Supplying a coffee liquid containing the foam extracted from the coffee extractor to a gas-liquid separator to separate a liquid coffee liquid and a gaseous coffee aroma; And
Wherein the liquid coffee liquid and the gaseous coffee aroma are respectively cooled and supplied to a balance tank and mixed when the liquid coffee liquid and the gaseous coffee aroma are separated.
Further comprising the step of cooling and storing the liquid liquid coffee mixture and the gaseous coffee flavor mixed in the balance tank through a heat exchanger.
The step of extracting the coffee liquid may include:
Supplying extraction water to the coffee extractor through a first extraction water supply channel provided on a side of the coffee extractor, separating the ground coffee beans stored in the coffee extractor into upper and lower portions, ;
The extraction water is supplied to the coffee extractor through the second extraction water supply channel provided at the upper portion of the coffee extractor, the ground coffee beans moved to the upper portion of the coffee extractor are moved to the lower portion of the coffee extractor, Extracting; And
The extracted water is supplied to the coffee extractor through the third extraction water supply channel provided at the lower part of the coffee extractor, the ground coffee beans moved to the lower part of the coffee extractor are moved to the upper part of the coffee extractor, ≪ / RTI >
The step of extracting the coffee liquid may include:
Adjusting the internal pressure of the coffee extractor through the bypass flow path provided in the coffee extractor when the internal pressure of the coffee extractor exceeds a predetermined pressure by the extraction water supplied through the third extraction water supply flow path Including more coffee extraction methods.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020150120130A KR101916322B1 (en) | 2015-08-26 | 2015-08-26 | Coffee extracting system of maintaining coffee aroma and method of extracting coffee using thereof |
US15/755,323 US10646066B2 (en) | 2015-08-26 | 2016-08-25 | Coffee extraction system and coffee extraction method using same |
CN201680012717.5A CN107427145B (en) | 2015-08-26 | 2016-08-25 | Coffee extraction system and the coffee extracted method for using it |
PCT/KR2016/009423 WO2017034339A1 (en) | 2015-08-26 | 2016-08-25 | Coffee extraction system and coffee extraction method using same |
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KR1020150120130A KR101916322B1 (en) | 2015-08-26 | 2015-08-26 | Coffee extracting system of maintaining coffee aroma and method of extracting coffee using thereof |
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KR101916322B1 true KR101916322B1 (en) | 2018-11-07 |
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Cited By (1)
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KR20230136927A (en) | 2022-03-21 | 2023-10-04 | 강원대학교산학협력단 | Coffee selection service method and apparatus based on coffee aroma, and coffee auto extraction method and apparatus including the same |
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KR102066164B1 (en) * | 2018-04-17 | 2020-03-02 | 매일유업 주식회사 | Waterbrew coffee, method and apparatus for preparing the same |
KR102530326B1 (en) * | 2022-08-24 | 2023-05-09 | 넥스트바이오(주) | Extracting apparatus capable of controlling extraction components and concentration and extracting method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100796015B1 (en) | 2007-06-20 | 2008-01-21 | 매일유업주식회사 | Espresso coffee extractor |
WO2012098725A1 (en) | 2011-01-17 | 2012-07-26 | サントリーホールディングス株式会社 | Beverage extraction device |
Family Cites Families (1)
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KR100796017B1 (en) | 2007-06-20 | 2008-01-21 | 매일유업주식회사 | Espresso coffee extracting method |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100796015B1 (en) | 2007-06-20 | 2008-01-21 | 매일유업주식회사 | Espresso coffee extractor |
WO2012098725A1 (en) | 2011-01-17 | 2012-07-26 | サントリーホールディングス株式会社 | Beverage extraction device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230136927A (en) | 2022-03-21 | 2023-10-04 | 강원대학교산학협력단 | Coffee selection service method and apparatus based on coffee aroma, and coffee auto extraction method and apparatus including the same |
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