Classifications

• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
  • G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
• • 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
  • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
  • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
  • A23F5/04—Methods of roasting coffee
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/26—Drying gases or vapours
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B19/00—Teaching not covered by other main groups of this subclass

Definitions

• the present invention relates to a method for roasting coffee beans, which improves conventional roasting method such as a hot wind blowing type roasting method or a direct firing type roasting method, so that taste and flavor thereof becomes to be better than before, more particularly, a method for roasting coffee beans, which is featured by roasting the coffee beans by means of radiant heat from the far-infrared rays generated from a ceramic dome heated by oven gas and convection heat of the hot air, and wherein the burn gas generated from the roasting is re-burned by gas flame to be distinguished, and a coffee bean roaster using the same, which comprises a semi- cylindrical ceramic dome having a burning device at one side and disposed in an oven, a rotatable arm supported by means of a hinge at one side of the oven so as to rotate horizontally, a slider connected to a distal end of the rotatable arm by means of a rotation joint and provided with a rotation rod mounted at the inside therein so as to slidably rotate and move in the linear direction
• the green beans of the coffee are at first roasted, adding materials such as spices are blended if required, and then the obtained materials are ground to make them as products of coffee beans powder and they are circulated, and further, they are distilled with vapor generated from the boiled water to become a coffee tea.
• the first roasting process is to heat and parch the green beans
• the roasting process is a work for producing new taste and flavor by causing chemical change through the heating of the green beans, and is for making coffee beans having good components for the taste and flavor by making best use of the features of the green coffee beans, which is the most important process among the coffee making processes of grinding the coffee beans, and roasting the ground coffee beans, and the like.
• Conventional roasting methods include a hot wind type roasting method, a semi-hot wind type roasting method, and a direct firing type roasting method.
• the hot wind type roasting method is to roast the green beans by directly blowing hot wind of the burning device into the rotation drum accommodating the green beans
• the semi-hot wind type roasting method is to blow the hot wind into the rotation drum accommodating the green beans by means of an induction pipe so that the fire is not directly contacted with the green beans
• the direct firing type roasting method is to charge the green beans into a net type rotation drum and roast them so that they are directly contacted with the fire of the burning device disposed at the lower side of the rotation drum.
• an object of the present invention is to provide a method for roasting coffee beans, which performs the roasting of the green beans by means of radiant heat of the far- infrared rays generated from the ceramic dome, which is heated by any methods without the roasting method such as a hot wind type roasting or a direct firing type roasting method, so that features of the green coffee beans can be best used to make the good taste and flavor, and a roaster for parching green beans by radiant heat of the far-infrared rays generated from the ceramic dome, and a device for cooling the heated green beans.
• the present invention provides a method for roasting coffee beans, comprising the steps of: [12] roasting green beans accommodated in a roasting tub by convection heat of heated air and radiant heat of the far-infrared rays generated from a ceramic dome, after heating the ceramic dome in a roaster by the heat generated from the burning of the gas of a burning device disposed in the ceramic dome, so that the green beans of the coffee can be roasted without contacting with the fire and the burn gas produced in the roasting can be removed, and
• a coffee bean roaster comprising: a semi-cylindrical ceramic dome disposed in an oven, and having a predetermined thickness and a burning device mounted at one side therein;
• a slider connected to a distal end of the rotatable arm by means of a rotation joint and provided with a rotation rod mounted at the inside therein so as to slidably rotate and move in the linear direction, the rotation rod being connected at one end thereof to a motor and connected at the other end thereof to a roasting tub, so that the roasting tub rotated by the rotation rod, which is rotated by the motor, can roast the green beans while rotating in an inner space of the ceramic dome to thereby re-burn and remove the gas generated from the burning.
• the coffee bean roaster of the present invention further includes an air cooling device disposed at the upper portion of the roasting tub, the air cooling device constructed of a roasting tub hood and a cooling fan for decreasing the temperature of the green beans accommodated in the roasting tub by suctioning the hot air of the roasting tub when it is moved to the outside of the ceramic dome by the rotation of the rotatable arm, and a smokestack for discharging the sucked hot air.
• the green beans are roasted by the radiant heat of the far-infrared rays produced from the heated semi-cylindrical ceramic dome and the hot air, the inside and the outside of the green beans are uniformly roasted.
• FlG. 1 is a perspective view illustrating a coffee beans roaster of the present invention
• FlG. 2 is a perspective view illustrating a principal portion of a coffee beans roaster of the present invention
• FlG. 3 is a partial cross-sectional view of a principal portion of a coffee beans roaster of the present invention
• FlG. 4 is a cross-sectional view illustrating a ceramic dome of the present invention.
• FlG. 5 is a perspective view partially shown in cross-section of a principal portion of a coffee beans roaster of the present invention
• FlG. 6 is a perspective view illustrating an air cooling device disposed at a roasting tub of the present invention. Mode for the Invention
• the method for roasting coffee beans of the present invention comprises the steps of roasting green beans 2 by convection heat and radiant heat of the far-infrared rays generated from a ceramic dome 32, after heating the ceramic dome 32 in an oven 30 by the heat of the gas of a burning device 31 , and re-burning the gas generated from the burning of shell of the green beans 2 using gas flame produced from the burning device 31, so that smell of the burn gas cannot permeate into the green beans 2.
• FlG. 1 is a perspective view illustrating a coffee beans roaster of the present invention
• FlG. 5 is a perspective view partially shown in cross-section of a prin cipal portion of a coffee beans roaster of the present invention.
• the coffee beans roaster 1 of the present invention comprises a semi-cylindrical ceramic dome 32 having a burning device 31 at one side, which is disposed in an oven 30, a rotatable arm 20 supported by means of a hinge 21 at one side of the oven so as to rotate horizontally, a slider 24 connected to a distal end of the rotatable arm 20 by means of a rotation joint 22 and provided with a rotation rod 15 mounted at the inside therein so as to slidably rotate and move in the linear direction, the rotation rod being connected at one end thereof to a motor 17 and connected at the other end thereof to a roasting tub 10.
• the rotatable arm 20, which is supported and rotated by a hinge 21 so that a roasting tub 10 can be rotated with disposed in a space separated by a predetermined interval from a ceramic dome 32 and a burning device 31, is constructed to make the slider 24 rotate in a sea-saw movement by the rotation joint 22.
• the present invention comprises rotation and support means such as a bearing so that the rotation rod 15 can be moved slidably in the slider 24 and can perform rotational movement by a motor 17, and the slider 24 for supporting the rotation rod 15 is constructed so that the rotation rod 15 can be rotated with respect to the hinge 21 to thereby come in and out from the inside of the ceramic dome 32 at the inside of the oven 30 via an entrance opening 34, and can be moved slidably in the forward or rearward direction and rotated.
• rotation and support means such as a bearing so that the rotation rod 15 can be moved slidably in the slider 24 and can perform rotational movement by a motor 17, and the slider 24 for supporting the rotation rod 15 is constructed so that the rotation rod 15 can be rotated with respect to the hinge 21 to thereby come in and out from the inside of the ceramic dome 32 at the inside of the oven 30 via an entrance opening 34, and can be moved slidably in the forward or rearward direction and rotated.
• the roasting tub 10 is formed as a cylindrical shape, and is provided with an injection opening 13 for charging green beans 2 and a lid 12 for closing the injection opening 13 at one side, and a rotation rod 15 disposed at an opposite side so that it can be inserted, and is formed with a plurality of venting holes 11 having a size smaller than that of the green beans 2 at an outer peripheral surface thereof.
• the rotation rod 15 is inserted into the slider 24 from the inside, and one side of the rotation rod 15 is connected to the roasting tub 10 and the other side is connected to a motor 17.
• the motor 17 comprises a control portion 17b having functions of controlling the rotation speed of the motor 17, the operation time, and the alarming, and the like.
• the slider 24 comprises the rotation rod 15 inserted from the inside, and rotation and support means such as a bearing so that the inserted rotation rod 15 can be rotated or supported.
• the rotation joint 22 is attached to the slider 24 at one side and is connected to the rotatable arm 20 at the opposite side, and comprises rotation and support means such as a bearing so that the attached slider 24 can be rotated with respect to the rotatable arm 20 or support it.
• the rotatable arm 20 is connected to the rotation joint 22 at one side and is connected to the hinge 21 at the other side.
• the hinge 21 is secured to one side of the entrance opening 34 of the oven 30 so that the rotatable arm 20 connected to the hinge 21 can be moved in the horizontal direction.
• the oven 30 is formed with the entrance opening 34 at the front side and the ceramic dome 32 having a semi-cylindrical shape of predetermined thickness at the rear side of the entrance opening 34, and is provided with a temperature control device 33 for controlling the temperature.
• the ceramic dome 32 is formed into a semi-cylindrical shape having a predetermined thickness, and a burning device 31 is disposed at one inner side of the ceramic dome 32 for heating the ceramic dome 32 and burning out the gas generated from the roasting of the green beans 2.
• the semi-cylindrical shaped ceramic dome 32 functions as a furnace for baking potteries, because it emits the received thermal energy as radiant heat of the far- infrared rays when the ceramic dome is heated to a predetermined temperature.
• the semi-cylindrical shaped ceramic dome 32 is heated by the burning device 31 to thereby arrive high temperature and emits the radiant heat of the far-infrared rays with maintaining the temperature.
• the heat generated from the burning device 31 heats the ceramic dome 32 to maintain the temperature in the ceramic dome 32 and generates hot air at the upper side of the burning device 31 and is circulated with causing convection phenomena in which the generated hot air is exchanged with the opposite cold air, so that the green beans 2 can be uniformly roasted by the heated air circulating in the ceramic dome 32 and the radiant heat of the far-infrared rays emitted from the front surface of the inner wall of the ceramic dome 32, if the roasting tub 10 is rotated with located at the center of the ceramic dome 32.
• the ceramic dome 32 disposed in the oven 30 is heated by the burning of the gas flame after the ignition of the burning device 31 of the oven 30, and the ceramic dome 32 disposed at the inside of the oven 30 is preheated by controlling the temperature control device 33 so that the inside of the oven 30 is maintained at predetermined temperature.
• the inside temperature of the ceramic dome 32 is maintained in the range of 200-220?, in which the green beans can be most sweetly roasted.
• the lid 12 is opened and a predetermined quantity of green beans 2 are charged into the roasting tub 10, and then the lid 12 is closed and the slider 24 is rotated so that the rotation rod 15 becomes to be horizontal, and rotates the rotatable arm 20 in the horizontal direction to make the roasting tub 10 to be directed to the entrance opening 34 of the ceramic dome 32, and locates the roasting tub 10 at the center of the ceramic dome 32 by pushing the rotation rod 15 inserted into the slider 24 into the ceramic dome 32.
• the motor 17 is operated for a predetermined time at a predetermined speed by means of the control portion 17b, and then the green beans 2 accommodated in the roasting tub 10 can be uniformly roasted by the radiant heat of the far-infrared rays radiated from the heated ceramic dome 32 and the heated circulation air from the inside to the outside.
• the burn gas (bad flavor) generated from the burning of the shell of the green beans 2 is re-burned by the gas flame of the burning device 31.
• the green beans are roasted by the radiant heat of the far- infrared rays in the present invention, which is a new roasting method and is not a conventional hot wind type roasting method or a direct firing roasting method, the green beans 2 are roasted more uniformly from the inside to the outside than by the conventional methods, and the burn gas (bad flavor) generated during the roasting is re- burned by the gas flame to thereby prevent bad flavor from permeating into the coffee beans so that it is possible to produce high quality coffee beans.
• the present invention can improve the quality of the coffee beans by the moving roast of the roasting tub 10.
• the green beans (coffee beans) 2 roasted from the coffee beans roaster 1 are maintained at high temperature while they are drawn out to the outside from the ceramic dome 32, so that the green beans 2 are continuously roasted by the heat to thereby much more improve the roasting effect.
• the present invention comprises an upper hood 41 disposed at the upper portion of the oven 30 for collecting and discharging smokes, and the roasting tub 10 is drawn out from the ceramic dome 32 and the rotatable arm 20 is rotated in the horizontal direction, and the roasting tub 10 is erected vertically and moved by erecting the slider 24, so that the green beans 2 in the roasting tub 10 can be quickly cooled by the flow of the peripheral air.
• an air cooling device 40 is disposed at the upper portion of the roasting tub 10, the air cooling device being constructed of a roasting tub hood 42 disposed at the upper portion of the roasting tub 10, a cooling fan 44 disposed at the upper portion of the roasting tub hood 42 for suctioning and discharging the hot air of the roasting tub 10, and a smokestack 43 disposed at the upper portion of the roasting tub 10 for discharging the suctioned hot air to the upper portion.
• the cooling fan 44 becomes to suck the hot air of the roasting tub 10 by the roasting tub hood 42, and the air come into the roasting tub 10 via the vent hole 11 passes through it with absorbing the heat of the green beans 2 so that the green beans 2 with high temperature can be quickly air-cooled to give the coffee beans proper taste and flavor.
• the air discharged through the smokestack 43 of the air cooling device 40 is only at high temperature and don t have any bad smoke or smell, it can be discharged to the indoor, however, it can be discharged to the outside by connecting the distal end of the smokestack 43 to the inside of the upper hood 41.
• the upper hood 41 is disposed according to its requirement, and it functions to discharge the incomplete burn gas, which has not been burned in the roaster 1 yet, to the outside.
• the gist of the present invention resides in the method for roasting coffee beans and the coffee beans roaster.
• the method for roasting coffee beans of the present invention comprises the steps of roasting green beans 2 accommodated in a roasting tub 10 by convection heat of heated air and radiant heat of the far-infrared rays generated from a ceramic dome 32, after heating the ceramic dome 32 in a roaster 1 by the heat generated from the burning of the gas of a burning device 31 disposed in the ceramic dome 32 so that the green beans of the coffee can be roasted without contacting with the fire and the burn gas produced in the roasting can be removed, and re-burning the gas generated from the burning of shell of the green beans 2 using the gas flame produced from the burning device 31, so that the burn gas can be removed to make the taste and flavor of the coffee good.
• the coffee beans roaster of the present invention comprises a semi-cylindrical ceramic dome 32 disposed in an oven 30 and having a predetermined thickness and a burning device 31 mounted at one side therein, a rotatable arm 20 supported by means of a hinge 21 at one side of the oven so as to rotate horizontally, a slider 24 connected to a distal end of the rotatable arm 20 by means of a rotation joint 22 and provided with a rotation rod 15 mounted at the inside therein so as to slidably rotate and move in the linear direction, the rotation rod 15 being connected at one end thereof to a motor 17 and connected at the other end thereof to a roasting tub 10, so that the roasting tub 10 rotated by the rotation rod 15, which is rotated by the motor 17, can roast the green beans 2 while rotating in an inner space of the ceramic dome 32 to thereby re-burn and remove the gas generated from the burning.
• the coffee bean roaster of the present invention further includes an air cooling device 40 disposed at the upper portion of the roasting tub 10, the air cooling device being constructed of a roasting tub hood 42 and a cooling fan 44 for decreasing the temperature of the green beans 2 accommodated in the roasting tub 10 by suctioning the hot air of the roasting tub when it is drawn to the outside of the ceramic dome 32 by the rotation of the rotatable arm 20, and a smokestack 43 for discharging the suctioned hot air.
• an air cooling device 40 disposed at the upper portion of the roasting tub 10
• the air cooling device being constructed of a roasting tub hood 42 and a cooling fan 44 for decreasing the temperature of the green beans 2 accommodated in the roasting tub 10 by suctioning the hot air of the roasting tub when it is drawn to the outside of the ceramic dome 32 by the rotation of the rotatable arm 20, and a smokestack 43 for discharging the suctioned hot air.
• the green beans are roasted by the radiant heat of the far-infrared rays produced from the heated semi- cylindrical ceramic dome and the hot air, the inside and the outside of the green beans are uniformly roasted.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Business, Economics & Management (AREA)
• Polymers & Plastics (AREA)
• Food Science & Technology (AREA)
• Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Educational Technology (AREA)
• Educational Administration (AREA)
• Computational Mathematics (AREA)
• General Chemical & Material Sciences (AREA)
• Mathematical Physics (AREA)
• Mathematical Optimization (AREA)
• Mathematical Analysis (AREA)
• Health & Medical Sciences (AREA)
• Analytical Chemistry (AREA)
• Pure & Applied Mathematics (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Entrepreneurship & Innovation (AREA)
• Algebra (AREA)
• Medicinal Chemistry (AREA)
• General Health & Medical Sciences (AREA)
• Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
• Tea And Coffee (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=39429848

Family Applications (1)

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• 2007
  • 2007-01-17 KR KR1020070004993A patent/KR101289347B1/ko not_active Expired - Fee Related
  • 2007-02-27 RU RU2009123097/12A patent/RU2009123097A/ru not_active Application Discontinuation
  • 2007-02-27 WO PCT/KR2007/001007 patent/WO2008062931A1/en not_active Ceased
  • 2007-02-27 EP EP07715418A patent/EP2106228A4/de not_active Withdrawn
  • 2007-02-27 MY MYPI20082082A patent/MY141128A/en unknown
  • 2007-03-01 CN CN2007100861034A patent/CN101223930B/zh not_active Expired - Fee Related
  • 2007-05-07 JP JP2007122707A patent/JP2008173111A/ja active Pending
• 2008
  • 2008-01-14 TW TW097101415A patent/TWI350735B/zh not_active IP Right Cessation

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