KR101779297B1 - Coffee roasting method by microwave and hot-air rotating drum installed in - Google Patents

Coffee roasting method by microwave and hot-air rotating drum installed in Download PDF

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KR101779297B1
KR101779297B1 KR1020160065761A KR20160065761A KR101779297B1 KR 101779297 B1 KR101779297 B1 KR 101779297B1 KR 1020160065761 A KR1020160065761 A KR 1020160065761A KR 20160065761 A KR20160065761 A KR 20160065761A KR 101779297 B1 KR101779297 B1 KR 101779297B1
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South Korea
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rotary drum
roasting
coffee
case
hot air
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KR1020160065761A
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Korean (ko)
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하태근
정성대
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주식회사 엠투
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • A23N12/10—Rotary roasters
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • A23N12/12—Auxiliary devices for roasting machines
    • A23N12/125—Accessories or details

Abstract

The present invention relates to a method to roast coffee by installing a rotary drum and using microwaves and hot air. A material inlet (101) is formed in the upper part of a case (100), and an outlet (102) is formed in the lower part. A rotary drum (10) is installed inside in a horizontal direction. A hole (13) is formed on the surface of the rotary drum (10), and a material inlet (12) is formed in a side of the drum. A microwave device (60) is installed in a side of the case (100), and an absorber (70) to absorb gas from the case (100) is installed in a side of the case (100) to roast coffee beans. As the microwave device is installed in the case and a hot air coil heater is installed inside a rotary shaft, which rotates the rotary drum, to supply hot air, the present invention is capable of roasting coffee beans with a constant quality, having a simple structure, reducing time for roasting, and making production costs affordable.

Description

회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법{Coffee roasting method by microwave and hot-air rotating drum installed in}[0001] The present invention relates to a coffee roasting method and a coffee roasting method,

본발명은 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법에 관한 것으로, 보다 상세하게는 회전축에 의해 회전하는 회전드럼이 내부에 설치되는 케이스 내부에 마이크로웨이브 장치를 설치하고 상기 회전축 내부에는 열풍코일히터가 설치되어 열풍을 공급함으로써 커피원두를 일정한 품질로 신속하게 볶는 것이 가능한 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법에 관한 것이다.The present invention relates to a coffee roasting method in which a rotary drum is installed in a microwave and a hot air. More particularly, the present invention relates to a coffee roasting method in which a rotary drum is rotated by a rotary shaft, And a method for roasting coffee by microwaves and hot air. The present invention relates to a method of roasting coffee beans using a microwave and a hot air, wherein a rotary drum capable of rapidly roasting a coffee bean at a constant quality by supplying hot air is provided.

일반적으로 커피원두는 볶기전에는 아무런 맛과 풍미를 가지고 있지 않다. 그러나 로스팅기기에 의해 볶으면, 고유의 훌륭한 맛과 풍미를 지니게 된다. 그리고 상기 로스팅기기는 다양한 관계로 커피의 맛과 풍미에 영향을 미치게 된다.Generally, coffee beans do not have any flavor and flavor before roasting. However, when roasted by a roasting machine, it has a unique taste and flavor. And, the roasting device affects the taste and flavor of coffee in various relation.

로스팅기기의 일례로서, 공개특허공보 공개번호 10-2014-0016102호의 커피원두가 투입되는 투입구와 커피원두가 배출되는 배출구를 갖는 챔버; 상기 챔버 내부에 설치되어 구동원의 구동에 의하여 회전하면서 커피원두를 볶는 드럼; 상기 드럼에 투입된 커피원두를 볶을 수 있도록 열을 제공하는 열원 공급부; 를 포함하고, 상기 열원 공급부는 화로와, 이 화로에 담겨져 열을 발생하는 숯으로 이루어진 커피원두 로스팅 장치가 공개되어 있다.As an example of the roasting device, a chamber having an inlet through which a coffee bean of Patent Publication No. 10-2014-0016102 is introduced and an outlet through which a coffee bean is discharged; A drum installed in the chamber and roasting a coffee bean while rotating by driving a driving source; A heat source supply unit for supplying heat to roast the coffee beans put into the drum; Wherein the heat source supply unit includes a coffee bean roasting apparatus including a furnace and charcoal which is contained in the furnace and generates heat.

또한, 등록특허공보 등록번호 10-1427807호에는 가열원이 구비된 장치 본체; 상기 장치 본체에 대하여 회전 가능하게 장착되며, 원두가 담겨지는 밀폐된 공간을 갖되 일측에 개구가 구비된, 회전내통; 스크루 방식으로 조작될 수 있게 구성되고, 상기 개구를 개방 또는 밀폐시킬 수 있게 형성된, 제1개방유닛; 상기 제1개방유닛을 지지할 수 있게 구성되고, 슬라이드 이동에 의하여 상기 제1개방유닛을 상기 개구에 대하여 이동시킬 수 있게 구성된, 제2개방유닛; 및 상기 개구의 하측에 배치되며, 로스팅이 완료된 상기 원두를 송풍에 의해 식힐 수 있게 형성된 쿨링유닛을, 포함하는, 커피 로스팅 장치가 공개되어 있다.In addition, Patent Registration No. 10-1427807 discloses an apparatus main body having a heating source; A rotatable inner cylinder rotatably mounted on the apparatus main body and having an open space at one side thereof with an enclosed space containing a cup; A first open unit configured to be operable in a screw manner and configured to open or close the opening; A second open unit configured to support the first open unit and configured to move the first open unit relative to the opening by sliding movement; And a cooling unit disposed below the opening, the cooling unit being configured to cool the roasted coffee bean by blowing air.

또한, 공개특허공보 공개번호 10-2015-0146191호에는 회전로타부를 구동하게 되면서 온도제어부의 전원 인가 및 온도센서 제어를 자동 조작하게 되고 마그네트론부의 전원 인가와 과부하 조절의 전원을 제어하게 되는 전원조작부와, 커피의 투입후 저장 및 외부 발열에 의해 히팅 및 마이크로파에 의한 주파수를 흡수 및 반사하여 커피 형태의 부서짐이나 탄화를 조절하게 되는 챔버부와, 회전로타와 동력 연결된 회전샤프트의 자동 회전에 의해 커피가 타거나 과건조 및 저건조됨을 방지하게 되는 회전로타부와, 상용 전원이 인가되면서 마그네트론이 발진되어 생성되는 주파수를 통해 커피의 외부 및 내부를 빠른 속도로 건조하여 커피 본연의 맛과 향이 보전되게 하는 마그네트론부와, 생성된 주파수를 챔버부 내외부로 이동시키게 되는 도파관부와, 챔버부 외부 및 내부에 전기 및 주파수에 의한 발열체가 짧은 시간에 급속하게 발열하게 함으로서 커피 외부를 적당하게 탄화시키는 되는 히터부와, 마이크로파에 의한 주파수 누설 및 커피의 수동 또는 자동 투입 및 배출이 자유롭게 하는 타공망의 투입부 및 배출부와, 그리고 온도제어부는 챔버부의 온도 및 커피의 온도를 센서에 의해 자동 조절하는 온도제어부를 포함하여 구성됨을 기술적 특징으로 하는 마이크로웨이브를 이용한 커피볶음기가 공개되어 있다.In addition, in Japanese Laid-Open Patent Publication No. 10-2015-0146191, a power control unit which automatically controls the power supply of the temperature control unit and the temperature sensor control while driving the rotary shaft, and controls the power supply of the magnetron unit and the power supply for the overload control, A chamber part for controlling the breaking and carbonization of the coffee type by absorbing and reflecting the heating and the frequency by the microwave by the storage and the external heat generation of the coffee after the coffee is put in and the rotation shaft connected to the rotating shaft by the automatic rotation, And the drying and drying of the coffee beans are avoided. The coffee beans are dried at a high speed through the frequency generated by the magnetron being oscillated while the commercial power is applied, so that the original taste and flavor of the coffee can be preserved A waveguide part for moving the generated frequency to the inside and the outside of the chamber part, A heater part for appropriately carbonizing the outside of the coffee machine by causing the heating body of the outside and inside of the coffee machine to generate heat quickly in a short time, a microwave oven for frequency leakage, And a temperature controller for automatically controlling the temperature of the chamber and the temperature of the coffee by using a sensor.

그러나 상기 종래기술들은 커피원두를 일정한 품질로 볶는 것이 어렵고, 구조가 복잡하며 커피를 커피를 볶는 시간이 길며, 제조원가가 높아지는 단점이 있었다.However, the above-mentioned conventional techniques have a disadvantage that it is difficult to roast coffee beans with a certain quality, the structure is complicated, the coffee roasting time is long, and the manufacturing cost is high.

따라서 본 발명은 상기와 같은 문제점을 해결하고자 안출된 것으로서, 회전드럼이 내부에 설치되는 케이스 내부에 마이크로웨이브 장치를 설치하고 상기 회전드럼을 회전시키는 회전축 내부에는 열풍코일히터가 설치되어 열풍을 공급함으로써 커피원두를 일정한 품질로 볶는 것이 가능하고, 장치의 구조가 간단하며 커피를 볶는 시간이 단축되며, 생산원가가 저렴한 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법을 제공하고자 하는 것이다.SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is therefore an object of the present invention to provide a microwave apparatus in a case in which a rotary drum is installed therein and a hot air coil heater is installed inside a rotary shaft for rotating the rotary drum, The object of the present invention is to provide a method for roasting coffee beans by microwaves and hot air, which is capable of roasting a coffee bean at a constant quality, simplifying the structure of the apparatus, shortening the time for roasting the coffee,

본발명은 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법에 관한 것으로, 케이스(100) 상부에 원료 투입구(101)가 형성되고, 하부에는 배출구(102)가 형성되고, 내부에는 원통형의 회전드럼(10)이 수평방향으로 설치되며, 상기 회전드럼(10)은 표면에 타공(13)이 형성되고 일측에는 원료투입구(12)가 형성되며, 상기 케이스(100)의 일측에는 마이크로웨이브장치(60)가 설치되며 상기 케이스(100)에서 발생되는 개스를 흡입하는 흡입기(70)가 케이스(100) 일측에 설치되어, 커피원두를 로스팅하는 것을 특징으로 한다.The present invention relates to a coffee roasting method in which a rotary drum is installed inside and is equipped with a microwave and hot air. A raw material inlet (101) is formed in an upper part of the case (100), a discharge port (102) is formed in a lower part, A rotary drum 10 of the rotary drum 10 is installed in a horizontal direction and a perforation 13 is formed on the surface of the rotary drum 10 and a raw material inlet 12 is formed on one side, An apparatus 60 is installed and an aspirator 70 for sucking the gas generated in the case 100 is installed at one side of the case 100 to roast the coffee beans.

따라서 본발명은 회전드럼이 내부에 설치되는 케이스 내부에 마이크로웨이브 장치를 설치하고 상기 회전드럼을 회전시키는 회전축 내부에는 열풍코일히터가 설치되어 열풍을 공급함으로써 커피원두를 일정한 품질로 볶는 것이 가능하고, 장치의 구조가 간단하며 커피를 볶는 시간이 단축되며, 생산원가가 저렴한 현저한 효과가 있다.Therefore, the present invention is capable of roasting a coffee bean with a constant quality by providing a microwave device inside a case in which a rotary drum is installed, and a hot air coil heater is installed inside a rotary shaft for rotating the rotary drum, The structure of the device is simple, the time for roasting the coffee is shortened, and the production cost is remarkably low.

도 1은 본발명 커피로스팅장치 정면도
도 2는 본발명 커피로스팅장치 측면도1 is a front view of the coffee roasting apparatus of the present invention
2 is a side view of the coffee roasting apparatus of the present invention

본발명은 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법에 관한 것으로, 케이스(100) 상부에 원료 투입구(101)가 형성되고, 하부에는 배출구(102)가 형성되고, 내부에는 원통형의 회전드럼(10)이 수평방향으로 설치되며, 상기 회전드럼(10)은 표면에 타공(13)이 형성되고 일측에는 원료투입구(12)가 형성되며, 상기 케이스(100)의 일측에는 마이크로웨이브장치(60)가 설치되며 상기 케이스(100)에서 발생되는 개스를 흡입하는 흡입기(70)가 케이스(100) 일측에 설치되어, 커피원두를 로스팅하는 것을 특징으로 한다.The present invention relates to a coffee roasting method in which a rotary drum is installed inside and is equipped with a microwave and hot air. A raw material inlet (101) is formed in an upper part of the case (100), a discharge port (102) is formed in a lower part, A rotary drum 10 of the rotary drum 10 is installed in a horizontal direction and a perforation 13 is formed on the surface of the rotary drum 10 and a raw material inlet 12 is formed on one side, An apparatus 60 is installed and an aspirator 70 for sucking the gas generated in the case 100 is installed at one side of the case 100 to roast the coffee beans.

또한, 상기 회전드럼(10)은 중공형의 회전축(11)이 연결되되, 상기 회전축(11)은 드럼회전 모터(20)에 의해 회전되는 것을 특징으로 한다.The rotary drum 10 is connected to a hollow rotary shaft 11, and the rotary shaft 11 is rotated by the drum rotary motor 20.

또한, 상기 회전축(11)은 벨트(14)에 의해 모터(20)의 회전력이 전달되는 것을 특징으로 한다.The rotating shaft 11 is characterized in that the rotational force of the motor 20 is transmitted by the belt 14. [

또한, 상기 회전축(11) 내부에는 열풍코일히터(30)가 설치되며, 회전축(11) 후방에는 송풍기(40)가 설치되는 것을 특징으로 한다.A hot air coil heater 30 is installed inside the rotary shaft 11 and a blower 40 is installed behind the rotary shaft 11.

또한, 상기 회전드럼(10)에는 커피원두를 추출하는 배출구(102)가 형성되는 것을 특징으로 한다.Further, the rotary drum 10 is provided with a discharge port 102 for extracting a coffee bean.

또한, 상기 배출구(102)를 통해 배출된 커피원두는 상부가 오픈된 박스(50)에 담기며, 상기 박스(50) 하부에는 냉풍이 공급되는 냉풍공급구멍(51)이 형성되는 것을 특징으로 한다.The coffee beans discharged through the discharge port 102 are contained in a box 50 having an opened top and a cool air supply hole 51 through which cool air is supplied is formed under the box 50 .

본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다. 도 1은 본발명 커피로스팅장치 정면도, 도 2는 본발명 커피로스팅장치 측면도The present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is a front view of the coffee roasting apparatus of the present invention, Fig. 2 is a side view of the coffee roasting apparatus of the present invention

본발명은 단면인 원형인 케이스(100) 상부에 원료 투입구(101)가 형성되고, 하부에는 배출구(102)가 형성되고, 내부에는 원통형의 회전드럼(10)이 수평방향으로 설치된다. 상기 회전드럼(10) 은 표면에 타공(13)이 형성되고 일측에는 원료투입구(12)가 형성되며, 상기 케이스(100) 의 일측에는 마이크로웨이브장치(60)가 설치된다.In the present invention, a raw material inlet (101) is formed on a circular case (100) having a cross section, a discharge port (102) is formed in a lower portion, and a cylindrical rotary drum (10) is installed in a horizontal direction. The rotating drum 10 is provided with a perforation 13 on its surface and a raw material inlet 12 formed on one side thereof. A microwave device 60 is installed on one side of the case 100.

상기 회전드럼은 회전함으로써 커피원두를 볶는 과정에서 균일하게 서로 섞이며 균일하게 가열되게 하는 역할을 한다.The rotary drum serves to uniformly mix and uniformly heat the coffee beans while roasting the coffee beans by rotating them.

상기 케이스, 회전드럼은 스테인레스와 같은 금속재질로 만들어진다.The case and the rotary drum are made of a metal material such as stainless steel.

상기 회전드럼(10)은 중공형의 회전축(11)이 연결되되, 상기 회전축(11)은 드럼회전 모터(20)에 의해 회전된다.A hollow rotary shaft 11 is connected to the rotary drum 10, and the rotary shaft 11 is rotated by a drum rotary motor 20.

그리고 상기 회전축(11)은 벨트(14)에 의해 모터(20)의 회전력이 전달된다.The rotational force of the motor (20) is transmitted to the rotating shaft (11) by the belt (14).

상기 회전축(11) 내부에는 열풍을 발생하는 열풍코일히터(30)가 설치되며, 회전축(11) 후방에는 송풍기(40)가 설치된다.A hot air coil heater 30 for generating hot air is installed in the rotary shaft 11 and a blower 40 is installed behind the rotary shaft 11.

상기 회전드럼(10)에는 커피원두를 추출하는 배출구(102)가 형성되어 처리된 커피원두가 배출되며, 상기 배출구(102)를 통해 배출된 커피원두는 상부가 오픈된 박스(50)에 담긴다. 그리고 상기 박스(50) 하부에는 냉풍이 공급되는 냉풍공급구멍(51)이 형성되어 냉풍으로 건조한다.The rotary drum 10 is provided with a discharge port 102 for extracting the coffee beans, and the processed coffee beans are discharged. The coffee beans discharged through the discharge port 102 are contained in the box 50 with the open top. In the lower part of the box 50, a cool air supply hole 51 through which cool air is supplied is formed and dried by a cool air.

한편, 본발명은 마이크로웨이브 장치에서 마이크로파의 출력은 30 ~ 1000W로서 가변제어하며, 주파수는 2450MHz정도로 설정한다. 그리고 열풍온도는 10 ~ 200℃이며, 로스팅시간은 30초 ~ 1시간 정도이다. 그리고 회전드럼의 회전속도는 0.5 ~ 1.5rpm정도로 회전한다. 흡입기(70)에는 습도센서가 설치되어 측정되는 상대습도가 40 ~ 60%로 유지시킨다. 상대습도가 40% 이하이면 마이크로파의 출력은 30~ 40W로 제어하며, 상대습도가 60% 이상이면 마이크로파의 출력은 900 ~ 1000W로 제어한다. 또한 상대습도가 40% 이하이면 열풍의 온도는 10 ~ 40℃정도로 제어하고, 상대습도가 60% 이상이면 열풍의 온도는 170 ~ 200℃정도로 제어한다.Meanwhile, in the microwave apparatus of the present invention, the output of the microwave is variable from 30 to 1000 W, and the frequency is set to about 2450 MHz. The hot air temperature is 10 ~ 200 ℃, and the roasting time is 30 ~ 1 hour. And the rotation speed of the rotary drum is about 0.5 to 1.5 rpm. Humidity sensors are installed in the inhaler 70 to maintain the measured relative humidity at 40 to 60%. If the relative humidity is below 40%, the microwave power is controlled to 30 ~ 40W. If the relative humidity is above 60%, the microwave power is controlled to 900 ~ 1000W. If the relative humidity is 40% or less, the temperature of the hot air is controlled to about 10 to 40 DEG C, and if the relative humidity is 60% or more, the temperature of the hot air is controlled to about 170 to 200 DEG C.

따라서 본발명은 회전드럼이 내부에 설치되는 케이스 내부에 마이크로웨이브 장치를 설치하고 상기 회전드럼을 회전시키는 회전축 내부에는 열풍코일히터가 설치되어 열풍을 공급함으로써 커피원두를 일정한 품질로 볶는 것이 가능하고, 장치의 구조가 간단하며 커피를 볶는 시간이 단축되며, 생산원가가 저렴한 현저한 효과가 있다.Therefore, the present invention is capable of roasting a coffee bean with a constant quality by providing a microwave device inside a case in which a rotary drum is installed, and a hot air coil heater is installed inside a rotary shaft for rotating the rotary drum, The structure of the apparatus is simple, the time to roast the coffee is shortened, and the production cost is remarkably low.

10 : 회전드럼 11 : 회전축
12 : 원료투입구 13 : 타공
14 : 벨트
20 : 드럼회전모터
30 : 열풍코일히터
40 : 송풍기
50 : 박스 51 : 냉풍공급구멍
60 : 마이크로웨이브장치 70 : 흡입기
100 : 케이스 101 : 원료투입구
102 : 배출구 10: rotary drum 11: rotary shaft
12: Raw material input port 13:
14: Belt
20: Drum rotation motor
30: Hot air coil heater
40: blower
50: box 51: cold air supply hole
60: microwave device 70: inhaler
100: Case 101: Feed inlet
102:

Claims (3)

케이스(100) 상부에 원료 투입구(101)가 형성되고, 하부에는 배출구(102)가 형성되고, 내부에는 원통형의 회전드럼(10)이 수평방향으로 설치되며, 상기 회전드럼(10)은 표면에 타공(13)이 형성되고 일측에는 원료투입구(12)가 형성되며, 상기 케이스(100)의 일측에는 마이크로웨이브장치(60)가 설치되며 상기 케이스(100)에서 발생되는 개스를 흡입하는 흡입기(70)가 케이스(100) 일측에 설치되어, 커피원두를 로스팅하는 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법에 있어서,
상기 회전드럼(10)은 중공형의 회전축(11)이 연결되되, 상기 회전축(11)은 드럼회전 모터(20)에 의해 회전되는 것으로,
상기 회전축(11) 내부에는 열풍코일히터(30)가 설치되며, 회전축(11) 후방에는 송풍기(40)가 설치되며,
상기 회전드럼(10)에는 커피원두를 추출하는 배출구(102)가 형성되어 처리된 커피원두가 배출되며, 상기 배출구(102)를 통해 배출된 커피원두는 상부가 오픈된 박스(50)에 담기고 상기 박스(50) 하부에는 냉풍이 공급되는 냉풍공급구멍(51)이 형성되어 냉풍으로 건조하며,
마이크로파의 출력은 30 ~ 1000W로서 가변제어하며, 열풍온도는 10 ~ 200℃이며, 로스팅시간은 30초 ~ 1시간이며, 회전드럼(10)의 회전속도는 0.5 ~ 1.5rpm로 회전하며, 흡입기(70)에 습도센서가 설치되어 측정되는 상대습도가 40 ~ 60%가 되게 제어하는 것을 특징으로 하는 회전드럼이 내부에 설치되며 마이크로파와 열풍에 의한 커피로스팅방법
A cylindrical rotary drum 10 is installed in the horizontal direction and a rotary drum 10 is mounted on the surface of the rotary drum 10 on the surface of the rotary drum 10, A microwave device 60 is installed on one side of the case 100 and an inhaler 70 for sucking the gas generated from the case 100 is provided in the case 100. [ ) Is installed on one side of the case (100), a rotary drum for roasting the coffee beans is installed therein, and in a method of roasting coffee by microwave and hot air,
The rotary drum 10 is connected to a hollow rotary shaft 11 and the rotary shaft 11 is rotated by a drum rotary motor 20,
A hot air coil heater 30 is installed inside the rotary shaft 11 and a blower 40 is installed behind the rotary shaft 11,
The coffee beans are discharged through a discharge port 102 for extracting coffee beans from the rotary drum 10. The coffee beans discharged through the discharge port 102 are placed in an upper opened box 50 A cool air supply hole 51 through which cool air is supplied is formed in the lower part of the box 50,
The temperature of the hot air is 10 to 200 ° C, the roasting time is 30 seconds to 1 hour, the rotating speed of the rotary drum 10 is rotated at 0.5 to 1.5 rpm, 70) is provided with a humidity sensor to control the relative humidity to be measured so as to be 40 to 60%. The rotary drum is installed inside and is equipped with a microwave and a hot roasting coffee roasting method
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KR101852376B1 (en) * 2017-11-16 2018-06-04 정화엠큐디(주) Coffee bean roasting method utilizing microwave heat
KR20190124196A (en) * 2019-10-28 2019-11-04 농업회사법인 태백농업주식회사 Grain roaster
US20200281395A1 (en) * 2019-03-06 2020-09-10 National Tsing Hua University Coaxial microwave rotary applicator for material processing
KR20200110835A (en) 2019-03-18 2020-09-28 주식회사 엠바디텍 The roasting apparatus of coffee beans
KR102212383B1 (en) 2020-05-19 2021-02-04 주식회사 엠바디텍 The roasting apparatus of coffee beans
KR20220105800A (en) 2021-01-21 2022-07-28 주식회사 엠바디텍 The roasting apparatus of coffee beans

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101852376B1 (en) * 2017-11-16 2018-06-04 정화엠큐디(주) Coffee bean roasting method utilizing microwave heat
WO2019098506A1 (en) * 2017-11-16 2019-05-23 정화엠큐디(주) Method of roasting raw coffee beans using microwave heating
US20200281395A1 (en) * 2019-03-06 2020-09-10 National Tsing Hua University Coaxial microwave rotary applicator for material processing
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KR20200110835A (en) 2019-03-18 2020-09-28 주식회사 엠바디텍 The roasting apparatus of coffee beans
KR20190124196A (en) * 2019-10-28 2019-11-04 농업회사법인 태백농업주식회사 Grain roaster
KR102174365B1 (en) 2019-10-28 2020-11-04 농업회사법인 태백농업주식회사 Grain roaster
KR102212383B1 (en) 2020-05-19 2021-02-04 주식회사 엠바디텍 The roasting apparatus of coffee beans
KR20220105800A (en) 2021-01-21 2022-07-28 주식회사 엠바디텍 The roasting apparatus of coffee beans

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