KR101614812B1 - Coffee sterilization system - Google Patents

Coffee sterilization system Download PDF

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Publication number
KR101614812B1
KR101614812B1 KR1020150137273A KR20150137273A KR101614812B1 KR 101614812 B1 KR101614812 B1 KR 101614812B1 KR 1020150137273 A KR1020150137273 A KR 1020150137273A KR 20150137273 A KR20150137273 A KR 20150137273A KR 101614812 B1 KR101614812 B1 KR 101614812B1
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KR
South Korea
Prior art keywords
coffee
sterilizing
sterilization
tube
stock solution
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Application number
KR1020150137273A
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Korean (ko)
Inventor
최인덕
조정호
Original Assignee
드림식품기계공업 주식회사
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Priority to KR1020150137273A priority Critical patent/KR101614812B1/en
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Publication of KR101614812B1 publication Critical patent/KR101614812B1/en

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/16—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

A coffee sterilization system according to an embodiment of the present invention includes a collection container in which a crude coffee stock solution is contained, a filter for receiving and filtering the stock solution from the collection container, a sterilizing device for sterilizing the stock solution purified from the filter at low temperature, And a storage container for storing the stock solution having passed through the sterilizing device at a low temperature.

Description

[0001] COFFEE STERILIZATION SYSTEM [0002]

One embodiment of the present invention relates to a system that can sterilize a coffee stock solution, particularly a crude coffee stock solution, and store it in a low temperature state to provide to a user.

Examples of the extraction method of coffee include drip coffee extraction method in which hot water is poured into a filter paper containing coffee for extracting coffee liquid, espresso coffee which extracts coffee liquid by passing hot water at a high pressure state after filling the port with coffee, Extraction methods are widely used.

The solubility of coffee, the biggest factor that distinguishes coffee extraction, is closely related to the degree of roasting of coffee beans and the temperature of coffee water.

Roasting, which is one of the coffee processing processes, refers to the roasting process by adding a certain amount of heat to raw beans. The less roasting, the lower the solubility in water at a certain temperature.

In order to maximize the taste of the coffee in accordance with various extraction methods and keep the taste constant, various water temperatures, that is, various extraction temperatures, suitable for roasting strength of coffee green beans are required. And the dissolution characteristics of coffee components including caffeine vary depending on the type of coffee beans.

In recent years, Dutch coffee extracting methods for extracting coffee liquids in a cold state while allowing a small amount of cold water to permeate a container filled with a large amount of coffee powder are gradually becoming widespread. Dutch coffee derived from Dutch sources is extracted at low temperature, where the solubility is low, so that the caffeine eluted during the same extraction time is relatively small compared with the high temperature extraction method. However, as the extraction time is increased while the amount of cold water per unit time is reduced compared with the equivalent amount of coffee, the caffeine extraction amount gradually increases.

As well as widely commercialized espresso machines, research has also been actively carried out to realize a Dutch coffee machine which can automate the process of a coffee machine and control the caffeine content, flavor and aroma in a variety of ways, such as uniformity of flavor and aroma in mass production have.

In particular, a Dutch coffee machine which can be sterilized or controlled in temperature while being provided to a user or a consumer more conveniently when the crude coffee liquid is provided can be considered.

It is an object of the present invention to provide a Dutch coffee sterilization system having a more advanced structure capable of sterilizing a crude coffee ground liquid to a user, and having a complex function.

In order to achieve the above object, according to one aspect of the present invention, there is provided a batch sterilization system for a still coffee, comprising: a water collection container for storing a crude coffee solution; a filter for receiving and filtering the raw solution from the collection container; A sterilizing device for sterilizing the stock solution purified from the sterilization apparatus at a low temperature, and a storage container for storing the stock solution having passed through the sterilizing apparatus at a low temperature.

According to an embodiment of the present invention, the sterilizing device includes at least one sterilizing module, the sterilizing module including: a cylindrical case having a lamp inserted therein and formed of transparent or semitransparent synthetic resin to transmit ultraviolet rays; And a tube spirally wound around the circumference of the case.

According to an embodiment of the present invention, the sterilizing apparatus includes a housing having an interior divided into a plurality of areas, and sterilizing modules disposed in respective areas of the housing, wherein tubes constituting each sterilizing module are formed to communicate with each other , And the degree of sterilization of the stock solution can be controlled according to the number of the sterilization modules communicated.

According to one example of the present invention, the sterilizing device comprises at least one sterilizing module, the sterilizing module comprising: a lamp housing having a cavity and having a reflective layer on an inner circumferential surface; An arranged tube and a lamp disposed in the hollow.

According to an embodiment of the present invention, an inlet and an outlet communicating with the tube are formed on both sides of the lamp housing, and a plurality of sterilization modules communicate with each other through the inlet and the outlet, The degree of sterilization of the stock solution can be controlled.

The Dutch coffee sterilization system according to at least one embodiment of the present invention configured as described above can sterilize the crude coffee raw material and provide hot coffee to the user while keeping the sterilized raw material at a low temperature.

In addition, after the extraction of the Dutch coffee, sterilization is carried out at least once at a low temperature to maintain the taste and aroma of the grown Dutch coffee. However, it is possible to extend the shelf life more than the conventional Dutch coffee .

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 shows one aspect of a Dutch coffee sterilization system according to one embodiment of the present invention.
Figure 2 shows another aspect of the Dutch coffee sterilization system shown in Figure 1;
Figure 3 shows a plane view of the Dutch coffee sterilization system shown in Figure 1;
4 is a cross-sectional view of a sterilization apparatus according to one embodiment of the present invention.
Fig. 5 is a cross-sectional view of the sterilizing apparatus shown in Fig. 4 as seen from another side; Fig.
6 is a perspective view of a sterilization module according to another embodiment of the present invention;
7 is a cross-sectional view of the sterilization module shown in Fig.
FIG. 8 is a partially cutaway view of the sterilization module shown in FIG. 6; FIG.
9 is a conceptual view of a sterilizing apparatus according to another embodiment of the present invention.

Hereinafter, a coffee sterilization system according to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

Fig. 1 is a view showing one aspect of a coffee sterilization system according to one embodiment of the present invention, Fig. 2 is a view showing another aspect of the coffee sterilization system shown in Fig. 1, and Fig. 1 shows a plane view of the illustrated coffee sterilization system.

1 to 3, the coffee sterilization system 100 includes a collection container 110, a filter 120, a sterilizing device 130, and a storage container 140.

The cans 110 are formed so that the crude coffee raw material can be received. When the crude coffee liquor is received in the cans 110, the crude coffee liquor is moved to the filter 120 by the diaphragm pump 150. The receptacle 110 may be made of metal or synthetic resin and is hermetically sealed from the outside to prevent foreign substances from entering.

The filter 120 is formed to receive and filter the Dutch coffee stock solution. The filter 120 filters the particulate matter from the crude coffee liquor and filters chlorine or volatile organic chemicals and the like. The filter 120 firstly feeds the crude coffee liquid and generally filters over 10 microns or more of debris and contaminants generally contained in the crude coffee liquor so that subsequent parts of the process can operate normally, (THM), volatile organic chemicals, and the like dissolved in the crude coffee liquid can be adsorbed and removed. Thus, functions of the sterilizing device 130 and the like are protected, and a normal function is exhibited. The material and the kind of the filter 120 are not limited, but a filtration type filter, an exchange type precipitation filter, a purification filter for purification, and the like can be used.

The sterilizing device 130 is a device for sterilizing microorganisms and harmful bacteria remaining in the crude coffee liquor and purifying them to a drinking-enabled level. Due to the characteristics of the crude coffee ground liquid, when heat treatment is performed at a high temperature, the dietary fiber contained in the raw liquid is precipitated, and the nutrient is destroyed and deformed, so that it is difficult to carry out the sterilization treatment by the high temperature heating method. Therefore, in the present invention, the pasteurization apparatus 130 is used to remove harmful bacteria to supply a sanitary undiluted solution. The pasteurization apparatus is not limited in its kind, but an ultraviolet sterilizer, a water purifying UV sterilizer, a low temperature heating sterilizer, an ozone generator sterilizer, or the like can be used. In one example, the sterilizing device may include at least one of an ultraviolet generating lamp or an ozone generating device.

The pump 150 is an apparatus for forming an artificial water pressure, which can be used to facilitate the flow of the stock solution and adjust the filtration rate. The capacity of the pump 150 may be selected according to the sterilizing capability of the filter 120 and the sterilizing device 130.

The storage container 140 is formed so as to store the sterilized and purified pure coffee stock solution. The storage container 140 is formed so as to be temperature-adjustable so that the internal temperature can be maintained at a constant temperature. The storage container 140 may be made of a metal or a synthetic resin, and is sealed from the outside so as to prevent foreign substances from entering. Hot cold Dutch coffee is discharged through the outlet 141 of the storage container, and the amount of coffee to be discharged can be controlled through a valve formed in the discharge port.

FIG. 4 is a cross-sectional view of a sterilizing apparatus 130A according to an embodiment of the present invention, and FIG. 5 is a cross-sectional view showing another aspect of the sterilizing apparatus 130A shown in FIG.

4 to 5, the sterilizing device 130A may be formed of a housing 136 having a predetermined shape, and the inside of the housing 136 may be divided into a plurality of areas by barrier ribs 135. [ A sterilization module 134 may be disposed in each area.

The sterilization module 134 may be formed including the lamp 132, the cylindrical case 131 and the tube 133. The lamp 132 may be an ultraviolet lamp that emits ultraviolet light or an infrared lamp that emits infrared light. The cylindrical case 131 may be formed of a transparent quartz tube or a tube made of synthetic resin. Thus, ultraviolet rays or infrared rays of the lamp 132 can be radiated toward the tube 133 through the cylindrical case 131.

The tube 133 may be formed to surround the outer circumference of the cylindrical case 131. For example, the tube 133 may be formed to spirally surround the outer circumference of the cylindrical case 131. Such a tube 133 can be made of a transparent material, such as Teflon, so as to be flexible and light-permeable, and liquid as the disinfection material is introduced into the tube 133.

The tube 133 may be a tube 133 having a length of several tens cm to several hundreds of cm. The reason why the long tube 133 is used is to sterilize the liquid flowing in the tube 133 by sufficiently irradiating ultraviolet rays or infrared rays with the lamp 132. In other words, by using the long tube 133, the liquid as the object to be sterilized is exposed to infrared rays or ultraviolet rays for a long time in the irradiation area of the lamp 132.

The tubes 133 can communicate with each other via valves or connection pipes 139. [ A three-way valve or four-way valve may be used as the valve. As a result, the number of the sterilizing modules 134 communicating with each other can be adjusted, thereby controlling the degree of sterilization of the stock solution.

FIG. 6 is a perspective view of a sterilization module according to another embodiment of the present invention, FIG. 7 is a cross-sectional view of the sterilization module shown in FIG. 6, and FIG. 8 is a cross- to be.

6 through 8, the sterilization module 144 includes a lamp housing 141, a tube 143, and a lamp 142.

The lamp housing 141 is not limited in its material but may be formed of a pipe made of a metal material or a tube made of synthetic resin. The reflection layer 147 may be formed on the inner circumferential surface of the lamp housing 141. [ In this case, the lamp housing 141 itself may be formed with a reflective surface, and the reflective layer 147 may be formed on the inner circumferential surface of the lamp housing 141. That is, the reflective layer 147 may be formed in the form of a reflective material coated on the inner circumferential surface of the lamp housing 141.

Chromium such as Cr 2 O 3 , a Cu-Cr composite oxide, an Fe-Cr composite oxide, a Co-Fe-Cr composite oxide and a Cu-Cr-Mn composite oxide is used as a black material for forming an infrared- May be used. Further, a rare earth element such as a composite oxide of an alkaline earth metal element and manganese such as a Ca-Mn composite oxide, a Ba-Mn composite oxide, and a Ba-Mn composite oxide doped with 4 wt% of titanium dioxide and a Y- May be used as the chromium-free compound. In addition, a rod-shaped titanium oxide or the like may be used as the white material.

In order to form an ultraviolet reflection layer that reflects ultraviolet rays, dielectrics may be formed by coating the inner peripheral surface of the lamp housing 141. At this time, the ultraviolet reflection layer can be formed by adhering and coating TiO 2 , SiO 2 , MgF 2 or the like as a dielectric. Alternatively, the inner surface of the lamp housing 141 may be formed by aluminum deposition or magnesium oxide deposition.

The reflective layer 147 that reflects infrared rays or ultraviolet rays may be formed by various means and methods other than the above-described methods.

The tube 143 may be formed on the inner circumferential surface of the lamp housing 141. For example, the tube 143 may be arranged to spirally cover the inner circumference of the lamp housing 141. Such a tube 143 can be made of a transparent material, such as Teflon, so as to be flexible and light-permeable, and the liquid as the disinfection material is introduced into the tube 143.

The tube 143 may be a tube 143 having a length of several tens cm to several hundreds of cm. The reason why the long tube 143 is used is to sterilize the liquid flowing in the tube 143 by sufficiently irradiating ultraviolet rays or infrared rays with the lamp 142. That is, by using the long tube 143, the liquid as the object to be sterilized is exposed to infrared rays or ultraviolet rays for a long time in the irradiation area of the lamp 142.

The lamp 142 may be an ultraviolet lamp that emits ultraviolet light, or an infrared lamp that emits infrared light, and may be disposed in the hollow of the lamp housing 141.

9 is a conceptual diagram of a sterilizing device 130B according to another embodiment of the present invention.

As shown in FIGS. 6 and 9, an inlet 148 and an outlet 149 may be formed on both sides of the lamp housing 141, respectively. The tubes 143 of the respective germicidal modules 144 can communicate with each other through the inlet 148 and the outlet 149. [ At this time, the tubes 143 can communicate with each other through the valves or the connection pipes 151. A three-way valve or four-way valve may be used as the valve. As a result, the number of the sterilizing modules 144 communicating with each other can be adjusted, thereby controlling the sterilization degree of the stock solution.

The above-described coffee sterilization system is not limited to the configuration and method of the above-described embodiments, but the embodiments may be modified so that all or some of the embodiments are selectively combined .

Claims (5)

A catchment receptacle formed in the upper part of the main body so that an upper surface thereof is exposed to the outside, and a Dutch coffee stock solution is received;
A filter disposed at a lower portion of the water collection tube and spaced apart from the water collection tube and supplied with the stock solution from the water collection tube by a diaphragm pump and filtering the same;
Sterilizing the crude liquid purified from the filter at a low temperature, and disposing the sterilizing device at a lower portion of the collection tube apart from the filter; And
And a storage container for storing the stock solution having passed through the sterilizing device at a low temperature,
Wherein the sterilizing device includes a housing having an interior partitioned into a plurality of areas by partition walls and sterilizing modules each formed in each area of the housing and spaced apart from one another in parallel to the ground,
Wherein the sterilizing module includes a lamp housing having a hollow and having a reflective layer formed by aluminum deposition on an inner circumferential surface thereof, a tube spirally arranged along an inner circumferential surface of the lamp housing, and a lamp disposed in the hollow,
An inlet and an outlet communicating with the tube are formed on both sides of the lamp housing,
Wherein the tubes of the sterilization module are connected to the connection tube so as to selectively communicate with each other so as to control the degree of sterilization of the stock solution according to the number of the sterilization modules that are communicated. The method according to claim 1,
The sterilization module comprises:
Further comprising a cylindrical case formed of transparent or semitransparent synthetic resin so that the lamp is inserted therein and ultraviolet rays are transmitted therethrough. delete delete The method according to claim 1,
Wherein the sterilization modules communicate with each other through the inlet and the outlet.

KR1020150137273A 2015-09-30 2015-09-30 Coffee sterilization system KR101614812B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210125334A (en) 2020-04-08 2021-10-18 (주)마나에프앤비 Liquid coffee sterilization system that minimizes the deterioration of coffee's unique taste and aroma
KR20220055823A (en) 2020-10-27 2022-05-04 (주)마나에프앤비 Various beverage sterilizers that vary the heating time and length of the heating pipe according to the characteristics of the beverage
KR20220055829A (en) 2020-10-27 2022-05-04 (주)마나에프앤비 Hybrid type coffee brewing device for high-volume production

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200331325Y1 (en) * 2003-07-28 2003-10-23 김태형 Tap of water purifier having sterilizing lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200331325Y1 (en) * 2003-07-28 2003-10-23 김태형 Tap of water purifier having sterilizing lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210125334A (en) 2020-04-08 2021-10-18 (주)마나에프앤비 Liquid coffee sterilization system that minimizes the deterioration of coffee's unique taste and aroma
KR20220055823A (en) 2020-10-27 2022-05-04 (주)마나에프앤비 Various beverage sterilizers that vary the heating time and length of the heating pipe according to the characteristics of the beverage
KR20220055829A (en) 2020-10-27 2022-05-04 (주)마나에프앤비 Hybrid type coffee brewing device for high-volume production
KR20220056158A (en) 2020-10-27 2022-05-04 (주)마나에프앤비 Coffee manufacturing system with various beverage sterilizers that vary the heating time and length of the heating pipe according to the characteristics of the beverage

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