CN113712224A - Coffee bean roasting system capable of controlling caffeine content and roasting method thereof - Google Patents
Coffee bean roasting system capable of controlling caffeine content and roasting method thereof Download PDFInfo
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- CN113712224A CN113712224A CN202110976245.8A CN202110976245A CN113712224A CN 113712224 A CN113712224 A CN 113712224A CN 202110976245 A CN202110976245 A CN 202110976245A CN 113712224 A CN113712224 A CN 113712224A
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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
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/10—Treating roasted coffee; Preparations produced thereby
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention belongs to the technical field of roasting, and particularly relates to a coffee bean roasting system capable of controlling caffeine content and a roasting method thereof. Roasting means in said system for roasting coffee beans in real time; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; and the control device is used for respectively controlling the roasting device, the ice quenching device and the freeze-drying device to operate in real time, so that the cooling time is short, the oxidation and deterioration of the surface oil of the coffee beans are not easy to cause, the continuous carbonization of the coffee beans is avoided, namely, the bitter taste is reduced, the coffee beans are not easy to become crisp, people are not easy to get on fire after drinking, the quality of the commercial cooked coffee beans is improved, and the caffeine content in the cooked coffee beans can be controlled.
Description
Technical Field
The invention belongs to the technical field of roasting, and particularly relates to a coffee bean roasting system capable of controlling caffeine content and a roasting method thereof.
Background
At present, commercial coffee cooked beans are all roasted in a pot by adopting a roasting furnace, the temperature of the cooked beans is generally 180-190 ℃ when the coffee beans are taken out of the pot, then the coffee beans are cooled by wind, the cooling time is long, oil on the surface of the coffee beans is easily oxidized and deteriorated, meanwhile, the coffee beans are easily carbonized, the bitterness is increased, the coffee beans become crisp, people can easily catch fire after drinking the coffee beans, the quality of the commercial coffee cooked beans is influenced, and the caffeine content in the coffee cooked beans can not be effectively controlled.
Therefore, in view of the above technical problem, it is urgently required to design and develop a coffee bean roasting system capable of controlling caffeine content and a roasting method thereof.
Disclosure of Invention
A first object of the present invention is to provide a coffee bean roasting system capable of controlling caffeine content;
a second object of the present invention is to provide a method for roasting coffee beans which is capable of controlling the caffeine content;
the first object of the present invention is achieved by: the system specifically comprises: roasting means for roasting the coffee beans in real time; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; and the control device is used for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time.
The second object of the present invention is achieved by: the method specifically comprises the following steps:
weighing quantitative coffee beans, and placing the coffee beans in a green bean storage tank;
heating the rotary drum until the temperature in the rotary drum chamber reaches a preset value, and injecting the coffee beans in the green bean circulating storage tank into the heated rotary drum chamber; baking according to a preset baking process;
performing ice quenching treatment on the roasted coffee beans in real time;
and (5) carrying out quick-freezing and drying treatment on the ice-quenched coffee beans in real time.
The invention uses the roasting device which is used for roasting the coffee beans in real time in the system; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; the control device is used for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time, so that the cooling time is short, oil on the surface of the coffee beans is not easy to oxidize and deteriorate, the coffee beans are prevented from being carbonized continuously, namely, the bitterness is reduced, the coffee beans are not easy to become crisp, people are not easy to get on fire after drinking the coffee beans, the quality of the commercial cooked coffee beans is improved, and the caffeine content in the cooked coffee beans can be controlled, namely, the coffee products obtained by the technical method have dry fragrance (with citrus and burnt fragrance); wet notes (as caramel notes); the mouthfeel is as follows: mellow, smooth, balanced, rich and full; acidity: moderate, low bitter taste; sweetness: medium to high; the whole lingering charm is long, and the lip and the tooth are fragrant; has long shelf life and no excessive internal heat.
Drawings
FIG. 1 is a schematic diagram of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 2 is a schematic diagram of a roasting apparatus of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 3 is a schematic diagram of an apparatus configuration of a thermal exhaust processing system of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 4 is an enlarged view of a portion of a thermal exhaust processing system apparatus A of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 5 is an enlarged view of a portion of a thermal exhaust processing system apparatus B of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 6 is a schematic view of a gas supplying apparatus of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 7 is a schematic diagram of a water supply device of a coffee bean roasting system capable of controlling the caffeine content according to the present invention;
FIG. 8 is a schematic diagram of a variety graph and process parameters of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 9 is a diagram of a variety graph and two process parameters of a coffee bean roasting system capable of controlling caffeine content according to the present invention;
FIG. 10 is a schematic flow diagram of a method of roasting coffee beans with controlled caffeine content according to the present invention;
description of the drawings:
1-tail gas combustor, 2 explosion-proof device, 3-cyclone separator; 31-a first cyclone; 32-a second cyclone separator; 4-silver skin compressor; 5-a combustor; 6-rotating the drum; 7-a combustion chamber; 8-a cooling plate; 9-cooked bean conveyor; 10-cooked bean buffer tank; 11-temporary raw bean storage tank; 12-a hot air circulating fan; 13-hot air inlet elbow; 14-a drum shaft; 15-hot air outlet; 16-raw bean disks; 17-a bearing; 171-front end bearing; 172-rear end bearing; 18-anterior bend angle; 19-supporting feet; 191-front supporting leg; 192-rear supporting leg; 20-heat preservation and insulation layer; 21-the outer layer of the rotary drum; 22-drum wall of the rotating drum; 23-sealing the cover; 24-a nut; 25-axial intermittence; 26-floating strips; 27-a tail end slider; 28-pressure gauge; 29-pressure measurement hole; 30-a pressure relief valve; 301-a first pressure relief valve; 302-a second pressure relief valve; 31-a steam type filter; 32-pressure measuring point; 33-a shut-off valve; 34-a filter; 35-shock absorber coupling; 36-a linker; 37-cooling water pipes; 38-emergency water replenishing pipe; 39-the cooling plate rescues the water outlet pipe; 40-a drum rescue water outlet pipe; 41-hot air pipeline rescue water outlet pipe; 42-drum rescue water, a first-stage and a second-stage drainage pipe; 43-a first reserve tube; 44-a second-stage water replenishing pipe; 45-a second reserve tube; 46-a pressure switch; pressure gauge 47.
Detailed Description
The invention is further illustrated in the following figures and examples in order to provide the person skilled in the art with a detailed understanding of the invention, without restricting it in any way. Any variations or modifications made in accordance with the teachings of the present invention are intended to be within the scope of the present invention.
The invention is further elucidated with reference to the drawing.
As shown in fig. 1 to 10, the present invention provides a coffee bean roasting system capable of controlling caffeine content, the system specifically comprising: roasting means for roasting the coffee beans in real time; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; and the control device is used for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time.
A green coffee bean tray for weighing green coffee beans is arranged in the roasting device; the combustion furnace is used for providing heat for real-time baking; a burner for roasting the green coffee beans in real time; a drum for collecting and roasting the green coffee beans in real time; a cooling pan for cooling roasted coffee beans in real time; a conveyor for transporting the coffee beans in real time; and a buffer tank for collecting coffee beans.
The buffer tank comprises a raw bean buffer tank for collecting the raw coffee beans and a cooked bean buffer tank for collecting the cooked coffee beans.
The weight weighing control module is arranged in the green coffee bean tray and used for controlling the weight of the green coffee beans; and a weight adjustable threshold is arranged in the weight weighing control module.
A stirring container is arranged in the ice quenching device; an ice crystal generation module for generating ice crystals with the size smaller than 1mm in real time is arranged in the stirring container; the first induction reminding module is used for inducing and reminding the ice crystal content in the liquid of the stirring container in real time;
the ice crystal generation module is specifically as follows: the liquid containing the coffee oil is continuously and circularly processed by a refrigerating mechanism and an ice particle making mechanism in sequence.
The freeze-drying device is internally provided with a solid-liquid separation module for performing solid-liquid separation on ice-quenched coffee beans; a steel belt type quick-freezing mechanism for quickly freezing the coffee beans after solid-liquid separation treatment; a refrigeration unit for providing refrigeration; a cold air mechanism for providing cold air; the sublimation bin is used for carrying out sublimation treatment on the quick-frozen coffee beans;
in the freeze-drying device, a second induction reminding module used for real-time induction and reminding the water content of the coffee beans after drying treatment is further arranged.
The system further comprises a hot exhaust treatment device for treating the hot roasting exhaust; a gas supply for providing a gas supply to the system; and a water supply for providing a real-time source of water for the torrefaction process.
The outer side of the system is also provided with a first cyclone separator and a second cyclone separator respectively; and the tail gas combustor is used for treating the baking tail gas in real time.
The invention also provides a coffee bean roasting method capable of controlling the caffeine content, which specifically comprises the following steps:
s1, weighing quantitative coffee beans, and placing the coffee beans in a bean circulation storage tank;
s2, heating the rotary drum until the temperature in the rotary drum chamber reaches a preset value, and injecting the coffee beans in the green bean circulating tank into the heated rotary drum chamber; baking according to a preset baking process;
s3, performing ice quenching treatment on the roasted coffee beans in real time;
and S4, carrying out quick-freezing and drying treatment on the ice-quenched coffee beans in real time.
The step of ice quenching the roasted coffee beans in real time further comprises the following steps: s31, continuously circulating and processing the mixture by a refrigerating mechanism and an ice making mechanism in sequence to generate ice crystals with the diameter less than 1mm in real time;
the step of performing quick-freezing and drying treatment on the ice-quenched coffee beans in real time further comprises the following steps: s41, carrying out solid-liquid separation treatment on the ice-quenched coffee beans in real time; s42, quick-freezing the coffee beans after solid-liquid separation for 2 hours; and S43, carrying out sublimation treatment on the quick-frozen coffee beans in real time, wherein the sublimation treatment time is 3 hours.
The invention is further elucidated with reference to the drawing.
That is, in an aspect of the present invention, there is provided a coffee bean roasting system capable of controlling a caffeine content, the system including a roasting apparatus for roasting coffee beans in real time, the apparatus including a roasting furnace including a green coffee bean tray, a combustion furnace, a burner, a rotary drum, a cooling tray, a conveyor, a cooked bean buffer tank, and the like, an ice quenching system, a freeze-drying system, and an automatic control system. The system also comprises an ice quenching device used for performing real-time ice quenching on the roasted coffee beans, wherein the ice quenching device comprises refrigeration equipment, ice granulation equipment and the like. The system also comprises a freeze-drying device for drying the ice-quenched coffee beans in real time, wherein the freeze-drying device comprises a steel belt type quick-freezing device, a refrigerating unit, a cold air system, a tray loading system, a sublimation bin, a vacuum unit, a trolley and the like. The system is also provided with a control device for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time.
Specifically, in the baking device, the baking furnace mainly comprises a raw bean temporary storage tank 11 (raw bean cache tank), a rotary drum 6, a rotary drum motor, a drum chamber, a burner 5, a combustion chamber 7, a hot air circulating fan 12, a cooling fan, a cooling disc 8, a stirrer, a tail gas burner 1, a cyclone separator 3, a silver skin compressor 4, a quenching water system, a hot air valve, a cold air valve, a cooked bean conveyor 9 (with a stone removing function), a cooked bean cache tank 10, a hot air pipe, a lubricating oil centralized distributor, a monitoring system, an emergency water spraying system and the like. That is, the outlet end of the temporary raw bean storage tank 11 is connected with a rotary drum 6, the outer side of the rotary drum 6 is provided with a burner 5 and a combustion chamber 7, one side of the combustion chamber 7 is connected with a tail gas burner 1, one end of the tail gas burner 1 is provided with a first cyclone separator 31, the first cyclone separator 31 is further connected with a silver skin compressor 4 and a hot air circulating fan 12, and preferably, the top end of the first cyclone separator 31 is provided with an explosion-proof device 2; the other end of the hot air circulating fan 12 is connected with a raw bean temporary storage tank 11 (a raw bean temporary storage tank); a cooling disc 8 is arranged at one end of the rotary drum 6, a cooked bean conveyor 9 (with a stone removing function) is arranged at one end of the cooling disc 8, the cooked bean conveyor 9 conveys the cooked beans to a cooked bean cache tank 10, and a second cyclone separator 32 is arranged between the cooked bean cache tank 10 and the cooling disc 8.
In other words, the baking device is provided with a body with a coating and a frame for operation and maintenance; the temporary storage tank is provided with a coffee bean material level detection function; a baking drum and a variable frequency drive system; a coffee bean roasting temperature monitoring system; the roasted coffee beans exit the roasting drum discharge control system; a manual sampling port and a sampling groove; an auto-ignition system; an automatic pre-cooling water quenching device in the baking drum; an automatic emergency hardening device; a coffee roasting hot air control system; a cooling air control system; a stone removal conveying system; a hot exhaust treatment system; an automatic control system; a pipeline safety system.
The main parts of the baking furnace device comprise a baking furnace rotary drum, a fuel gas supply device of a baking system and a water supply device of the baking system; wherein a first pressure reducing valve in a fuel gas supply device of the roasting system is a primary pressure reducing valve, and the outlet pressure is 1bar flow; the second pressure reducing valve is a two-stage pressure reducing valve, the outlet pressure is 30mbar, and the flow rate is twice the maximum flow rate required.
Baking system main parameters: capacity: 3-600 kg/batch; baking time: 3-20 minutes per batch; energy consumption value: 498000-510000 Kcal/T baked bean.
Baking system principle: material flow: the raw coffee beans are weighed according to each batch of weight values set by the roasting system and then enter the raw coffee bean temporary storage tank, when the temperature of the drum chamber reaches a set value, a discharge valve of the temporary storage tank is opened, the raw coffee beans enter the drum for roasting, after all the raw coffee beans enter the drum, a discharge valve of the temporary storage tank is closed (the next batch of raw coffee beans are conveyed to the raw coffee bean temporary storage tank), roasting is carried out according to a roasting process (curve diagram) preset by a control system, after the roasting is finished, hardening water is carried out, then the raw coffee beans enter a cooling disc (the next batch of raw coffee beans enter the drum), and after the set cooling time is reached (the time is set according to the cooling effect, namely the temperature), the cooked beans are conveyed to the cooked material bin through the cooked bean conveying system.
Hot air flow: fresh air and circulating air are heated to a set temperature in the combustion chamber and enter the rotary drum chamber, hot air is used for baking green coffee beans and then is sent to the cyclone separator through the hot air circulating fan, solid matters such as silverskin brought out by the hot air can fall on the lower portion of the cyclone separator, enter the silverskin compressor through the air closing device, and are transported outside after being compressed. The hot air from the upper part of the cyclone separator is divided into two paths, one path is directly discharged to the atmosphere after being combusted by the tail gas combustor, the discharge of the hot air is discontinuously discharged, the discharge time and the exhaust amount are determined by the process, and the control system is automatically controlled. The other path of hot air circulates back to the combustion chamber, the circulation amount and the fresh air amount are determined by the process, and the control system automatically controls the combustion chamber.
Process parameters (graph): the parameters such as temperature, hot air quantity, pressure and the like in the drum chamber in the process of roasting the coffee beans are changed along with roasting time, and different types of coffee beans and coffee beans with different roasting degrees have different parameters such as temperature, hot air quantity, pressure, roasting time and the like, so that the corresponding parameters such as temperature, hot air quantity, pressure, roasting time and the like, namely process curves are set according to various processed varieties and stored in a computer, and the parameters are directly called from the computer when in use. As shown in the attached drawings, the method specifically comprises graphs and process parameters of different varieties of the embodiment.
The relationship between the roasting process and the quality, the quality of the same kind of coffee beans roasted by different processes is different, and the following is a specific case.
Table 1 below: baking with different process parameters.
TABLE 1 baking with different process parameters
Table 2 below: results for different cups corresponding to Table 1 above
Table 2: different cup products for bearing fruit
Specifically, the baking system is used and maintained as follows, and is checked before starting up: checking whether the pressure of the liquefied gas is normal; checking whether the water is in a normal supply state; checking whether lubricating oil is added into each motor; checking whether the baking pan is cleaned up; checking whether the cooling bed is cleaned up; checking whether the steering of all motors and fans is correct; checking whether all power supplies and circuits are normal; checking whether the compressed air is in a normal supply state; before starting up, checking by rotating a circle around the baking system;
starting up operation: turning on a computer host switch; turning on a switch for liquefied gas, water, electricity and compressed air; putting the weighed coffee beans into a baking pot; setting technological baking parameters;
checking in operation: checking the color change of the roasted beans in the pan; checking whether the equipment link is loosened or not, and screwing up if the equipment link is loosened; checking whether the flow of the liquefied gas is enough at any time; observing the temperature change in the furnace at any time; checking whether the supply of liquefied gas, water and compressed air is normal; checking whether the deslagging system is normal;
shutdown operation: closing valves of liquefied gas, water and compressed air after baking is stopped; closing the computer operation host; turning off a power supply and cleaning a hearth;
fault state handling and emergency shutdown: turning off the liquefied gas when power failure occurs, turning off a control power switch, and restarting according to a starting program when power failure occurs; if the liquefied gas is insufficient, the liquefied gas is required to be turned off, and the baking pan is started again according to the starting program after the liquefied gas is sufficient (the baking pan cannot be stopped); if the conveying pipeline is abnormal in the baking process, the operation of stopping the machine is required to be carried out, and the machine is started again according to the starting-up operation program after the inspection is finished; if water is cut off and the compressed air is low, the discharging door is opened to discharge the materials and the machine is stopped;
and (4) checking after shutdown: checking whether the liquefied gas is tightly closed; checking whether the electric wire is damaged or not; all attached devices were checked for robustness.
In the embodiment of the invention, the technical parameters of the freeze drying device of the system are as follows:
the design requirement is as follows: area of heating plate 200m2(ii) a Maximum charge of 5.4m3(ii) a Tray size and number: 538 × 610 × 35 mm/612; the heating mode is as follows: double-sided radiation; the plate temperature adjusting range is as follows: 30-130 ℃; maximum design water capture capacity: 440 kg/h; rated working vacuum degree: is adjustable at more than 50 Pa; no-load pumping to 133Pa time: 15 min; a special freezing warehouse: 11.7X4.75X3 m, 2 seats in number.
The structure of the vacuum freeze drying equipment is as follows:
the drying cabin is horizontal cylindrical, is made of 304 stainless steel, and has a cabin body diameter of 2560mm and a total length of 10.5 m. The hatch door is of a flat-open type, and two observation windows are arranged on the hatch door.
The upper part in the drying cabin is provided with a heating plate assembly which is respectively provided with 16 layers of heating plates arranged in a bilateral symmetry cantilever way. The middle part is a wide passage for the material containing pulley to go in and out and to be used as a cleaning and maintenance corridor. The heating plate is made of special hollow aluminum section and is formed by argon arc welding, the surface of the heating plate is specially treated, and the heating plate has high radiance.
A water vapor trapping and ice melting system: the water vapor catcher is built-in and is directly arranged at the lower part of the drying cabin and divided into a left side and a right side, and cold traps at the two sides can alternately catch water vapor and melt ice. And melting ice by adopting negative pressure steam.
The heating system adopts a fully closed constant pressure type, and is provided with an overtemperature alarm and overpressure safety protection device. The working medium adopted by the heating system is deionized water. The heating source is steam.
And the vacuum system adopts a mechanical pump combination. The device is divided into two sets of units of pre-pumping and vacuum. The film capacitance type vacuum gauge is matched.
The ammonia circulating system adopts an ammonia flooded circulating system and is provided with a specially required pump ammonia separator, and a refrigeration compressor station is required to distribute refrigeration according to the requirement.
The pneumatic control system consists of an air compressor, an air dryer and a filter to provide dry and clean compressed air. And air is supplied to each pneumatic valve and the like through an air distribution box internally provided with various electromagnetic combination valves and electromagnetic two-way valves according to the command of a control system.
The material conveying system comprises: the conveying track is mainly made of hot-dip galvanized 12 # common I-steel and comprises a supporting mechanism, a point switch, an actuator and the like, and can circularly operate in a loading room after loading, freezing, drying and unloading. The material containing pulley is made of antirust aluminum profile. The tray is formed by stamping aviation antirust aluminum alloy.
The control system adopts a programmable controller PLC and is provided with an industrial personal computer as an upper computer and is used for recording and storing various information and participating in network management. The control system has sound and light alarm functions of overtemperature, overpressure, pump and valve failure and the like.
The pre-freezing system is a forced air-cooled freezing warehouse, can freeze the material carried by 8 pulleys at one time, and has a cold air circulation temperature lower than-35 ℃. The storehouse body is made of polyurethane sandwich foam material with the thickness of 120mm, and the panel is a plastic-sprayed color plate. The tunnel is internally provided with a track system connected with a material conveying system, and the all-aluminum evaporator and the fan are side-mounted systems with water for defrosting. The storehouse door is a push-pull type electric heating system with frost prevention.
The equipment configuration, the drying bin configuration is as shown in table 3 below;
TABLE 3 drying cabin configuration
The configuration of the water trap is shown in Table 4 below
The vacuum system configuration is shown in Table 5 below
TABLE 5 vacuum System configuration
The heating cycle system configuration is shown in Table 6 below
TABLE 6 heating cycle System configuration
The control system configuration is shown in Table 7 below
TABLE 7 control System configuration
The quick-freeze storehouses are shown in the following table 8
TABLE 8 quick-freeze storeroom
The water cooling system is shown in Table 9 below
TABLE 9 Water Cooling System
The specific principle of the invention is as follows: the raw coffee beans are weighed according to each batch of weight values set by the roasting system and then enter the raw coffee bean temporary storage tank, when the temperature of the drum chamber reaches a set value, a discharge valve of the temporary storage tank is opened, the raw coffee beans enter the drum for roasting, after all the batches of raw coffee beans enter the drum, the discharge valve of the temporary storage tank is closed (the next batch of raw coffee beans are conveyed to the raw coffee bean temporary storage tank), roasting is carried out according to a roasting process (curve diagram) set by a control system, and after the roasting, the raw coffee beans directly enter a stirring container of the ice quenching system. The ice quenching system is started when the roasting system is started, the liquid containing coffee oil in the stirring container is continuously circulated through the refrigerating device and the ice particle making device, ice crystals with the size smaller than 1mm are continuously generated in the liquid, the concentration of the coffee oil in the liquid is improved when the content of the ice crystals reaches 50% -70%, the roasted coffee beans (with the temperature of 185 ℃) directly enter the stirring container, and the coffee beans absorb the heat of the coffee beans due to the fact that a large amount of ice crystals are contained in the liquid, the oil on the surfaces of the coffee beans is reduced to zero degree within 10 seconds, meanwhile, the coffee oil in the liquid is coated on the surfaces of the coffee beans, oxidation of the coffee oil is avoided, the coffee beans are subjected to ice quenching, and the quality of the coffee beans is improved. The ice-quenched coffee beans are directly conveyed to a steel belt type quick-freezing device after solid-liquid separation, are quickly frozen for 2 hours and then are put into a tray, and then are pushed into a sublimation bin for 3 hours for drying, wherein the water content of the product is less than 3 percent.
The invention uses the roasting device which is used for roasting the coffee beans in real time in the system; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; the control device is used for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time, so that the cooling time is short, oil on the surface of the coffee beans is not easy to oxidize and deteriorate, the coffee beans are prevented from being carbonized continuously, namely, the bitterness is reduced, the coffee beans are not easy to become crisp, people are not easy to get on fire after drinking the coffee beans, the quality of the commercial cooked coffee beans is improved, and the caffeine content in the cooked coffee beans can be controlled, namely, the coffee products obtained by the technical method have dry fragrance (with citrus and burnt fragrance); wet notes (as caramel notes); the mouthfeel is as follows: mellow, smooth, balanced, rich and full; acidity: moderate, low bitter taste; sweetness: medium to high; the whole lingering charm is long, and the lip and the tooth are fragrant; has long shelf life and no excessive internal heat.
Claims (10)
1. A coffee bean roasting system capable of controlling caffeine content, said system comprising in particular: roasting means for roasting the coffee beans in real time; an ice quenching device for performing real-time ice quenching on the roasted coffee beans; a freeze-drying device for drying the ice-quenched coffee beans in real time; and the control device is used for respectively controlling the baking device, the ice quenching device and the freeze-drying device to operate in real time.
2. A coffee bean roasting system capable of controlling caffeine content according to claim 1, wherein a green coffee bean pan for weighing green coffee beans is provided in the roasting apparatus; the combustion furnace is used for providing heat for real-time baking; a burner for roasting the green coffee beans in real time; a drum for collecting and roasting the green coffee beans in real time; a cooling pan for cooling roasted coffee beans in real time; a conveyor for transporting the coffee beans in real time; and a buffer tank for collecting coffee beans.
3. A coffee bean roasting system capable of controlling caffeine content according to claim 2, wherein the buffer tank includes a green bean buffer tank for collecting green coffee beans and a boiled bean buffer tank for collecting boiled coffee beans.
4. The coffee bean roasting system of claim 2, wherein the green coffee bean pan is provided with a weight scale control module for controlling the weight of the green coffee beans; and a weight adjustable threshold is arranged in the weight weighing control module.
5. The coffee bean roasting system of claim 1 wherein said ice quenching apparatus comprises a stirring vessel; an ice crystal generation module for generating ice crystals with the size smaller than 1mm in real time is arranged in the stirring container; the first induction reminding module is used for inducing and reminding the ice crystal content in the liquid of the stirring container in real time; the ice crystal generation module is specifically as follows: the liquid containing the coffee oil is continuously and circularly processed by a refrigerating mechanism and an ice particle making mechanism in sequence.
6. The coffee bean roasting system capable of controlling caffeine content according to claim 1, wherein a solid-liquid separation module for performing solid-liquid separation on ice-quenched coffee beans is provided in the freeze-drying device; a steel belt type quick-freezing mechanism for quickly freezing the coffee beans after solid-liquid separation treatment; a refrigeration unit for providing refrigeration; a cold air mechanism for providing cold air; the sublimation bin is used for carrying out sublimation treatment on the quick-frozen coffee beans; in the freeze-drying device, a second induction reminding module used for real-time induction and reminding the water content of the coffee beans after drying treatment is further arranged.
7. A coffee bean roasting system capable of controlling caffeine content according to any one of claims 1 to 6, characterized in that the system further comprises a hot exhaust air processing device for processing hot roasting exhaust air; a gas supply for providing a gas supply to the system; and a water supply for providing a real-time source of water for the torrefaction process.
8. A coffee bean roasting system capable of controlling caffeine content according to claim 7, characterized in that the outside of the system is further provided with a first cyclone and a second cyclone, respectively; and the tail gas combustor is used for treating the baking tail gas in real time.
9. A coffee bean roasting method capable of controlling caffeine content is characterized by comprising the following steps:
weighing quantitative coffee beans, and placing the coffee beans in a green bean storage tank; heating the rotary drum until the temperature in the rotary drum chamber reaches a preset value, and injecting the coffee beans in the green bean circulating storage tank into the heated rotary drum chamber; baking according to a preset baking process;
performing ice quenching treatment on the roasted coffee beans in real time; and (5) carrying out quick-freezing and drying treatment on the ice-quenched coffee beans in real time.
10. The roasting method of coffee beans according to claim 9, wherein the step of ice-quenching roasted coffee beans in real time further comprises the steps of: continuously and circularly treating the ice crystals by a refrigerating mechanism and an ice particle making mechanism in sequence to generate ice crystals with the size less than 1mm in real time; the step of performing quick-freezing and drying treatment on the ice-quenched coffee beans in real time further comprises the following steps: carrying out solid-liquid separation treatment on the ice-quenched coffee beans in real time; quickly freezing the coffee beans after solid-liquid separation for 2 hours; carrying out sublimation treatment on the quick-frozen coffee beans in real time, wherein the sublimation treatment time is 3 hours.
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Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1206646A (en) * | 1957-01-09 | 1960-02-10 | Curtiss Wright Corp | Process and apparatus for the manufacture of coffee extracts or the like and products according to those obtained |
| FR1244137A (en) * | 1959-12-30 | 1960-10-21 | Kaffee Imp Ges Gebr Kolle | Process and installation for the manufacture of coffee extracts or the like in powder form |
| US3381302A (en) * | 1965-12-02 | 1968-04-30 | Struthers Scientific Int Corp | Freeze concentration of coffee extract |
| GB1302289A (en) * | 1969-08-01 | 1973-01-04 | ||
| US3799049A (en) * | 1971-12-06 | 1974-03-26 | Smitherm Industries | Apparatus for producing soluble coffee concentrates |
| GB1413797A (en) * | 1972-01-05 | 1975-11-12 | Struthers Scient International | Soluble coffee extract and apparatus for producing the same |
| GB2119625A (en) * | 1982-03-30 | 1983-11-23 | Gen Foods Corp | Freeze-dried coffee with a roast and ground appearance |
| CN1058136A (en) * | 1990-07-18 | 1992-01-29 | 雀巢制品公司 | A kind of method and apparatus of producing soluble instant coffee in powder form |
| US20010000145A1 (en) * | 1998-10-06 | 2001-04-05 | Kalenian Paul A. | Coffee system |
| JP2007029033A (en) * | 2005-07-28 | 2007-02-08 | Colorado Kk | Coffee bean roaster and method for producing roasted coffee bean using the same |
| JP2011155868A (en) * | 2010-01-29 | 2011-08-18 | Meiji Co Ltd | Roasted bean, method for producing the same and beverage |
| KR20150029978A (en) * | 2013-09-11 | 2015-03-19 | 코웨이 주식회사 | Apparatus for ice extraction |
| CN106035921A (en) * | 2016-06-14 | 2016-10-26 | 大闽食品（漳州）有限公司 | Method for producing high quality coffee concentrated solution |
| CN110463805A (en) * | 2019-08-08 | 2019-11-19 | 李镇南 | A kind of cold cut freeze-drying coffee and preparation method thereof |
| CN110477172A (en) * | 2019-09-16 | 2019-11-22 | 上海应用技术大学 | A kind of preparation method of fast quickly cooling extraction coffee |
| CN110973321A (en) * | 2019-12-27 | 2020-04-10 | 昆明弘承商贸有限公司 | Low-temperature instant coffee and process for freezing and concentrating solution thereof |
| CN111406819A (en) * | 2020-05-14 | 2020-07-14 | 上海应用技术大学 | Roasting method of coffee beans |
| CN111685350A (en) * | 2020-06-16 | 2020-09-22 | 昆山亿政食品有限公司 | Efficient deep baking process and device thereof |
| CN212994191U (en) * | 2020-06-29 | 2021-04-20 | 苏州金猫咖啡有限公司 | Instant coffee powder apparatus for producing |
| CN213605854U (en) * | 2020-09-21 | 2021-07-06 | 魔饮咖啡(青岛)有限公司 | Cold extraction device of coffee |
| CN216019041U (en) * | 2021-08-24 | 2022-03-15 | 昆明弘承食品科技有限公司 | Coffee bean roasting system capable of controlling caffeine content |
| CN115067411A (en) * | 2022-07-22 | 2022-09-20 | 北京林业大学 | Three-dimensional freeze-dried coffee block product and manufacturing method and application thereof |
| CN115500420A (en) * | 2022-09-22 | 2022-12-23 | 福建拓天生物科技有限公司 | Processing technology of freeze-dried coffee product |
-
2021
- 2021-08-24 CN CN202110976245.8A patent/CN113712224B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1206646A (en) * | 1957-01-09 | 1960-02-10 | Curtiss Wright Corp | Process and apparatus for the manufacture of coffee extracts or the like and products according to those obtained |
| FR1244137A (en) * | 1959-12-30 | 1960-10-21 | Kaffee Imp Ges Gebr Kolle | Process and installation for the manufacture of coffee extracts or the like in powder form |
| US3381302A (en) * | 1965-12-02 | 1968-04-30 | Struthers Scientific Int Corp | Freeze concentration of coffee extract |
| GB1302289A (en) * | 1969-08-01 | 1973-01-04 | ||
| US3799049A (en) * | 1971-12-06 | 1974-03-26 | Smitherm Industries | Apparatus for producing soluble coffee concentrates |
| GB1413797A (en) * | 1972-01-05 | 1975-11-12 | Struthers Scient International | Soluble coffee extract and apparatus for producing the same |
| GB2119625A (en) * | 1982-03-30 | 1983-11-23 | Gen Foods Corp | Freeze-dried coffee with a roast and ground appearance |
| CN1058136A (en) * | 1990-07-18 | 1992-01-29 | 雀巢制品公司 | A kind of method and apparatus of producing soluble instant coffee in powder form |
| US20010000145A1 (en) * | 1998-10-06 | 2001-04-05 | Kalenian Paul A. | Coffee system |
| JP2007029033A (en) * | 2005-07-28 | 2007-02-08 | Colorado Kk | Coffee bean roaster and method for producing roasted coffee bean using the same |
| JP2011155868A (en) * | 2010-01-29 | 2011-08-18 | Meiji Co Ltd | Roasted bean, method for producing the same and beverage |
| KR20150029978A (en) * | 2013-09-11 | 2015-03-19 | 코웨이 주식회사 | Apparatus for ice extraction |
| CN106035921A (en) * | 2016-06-14 | 2016-10-26 | 大闽食品（漳州）有限公司 | Method for producing high quality coffee concentrated solution |
| CN110463805A (en) * | 2019-08-08 | 2019-11-19 | 李镇南 | A kind of cold cut freeze-drying coffee and preparation method thereof |
| CN110477172A (en) * | 2019-09-16 | 2019-11-22 | 上海应用技术大学 | A kind of preparation method of fast quickly cooling extraction coffee |
| CN110973321A (en) * | 2019-12-27 | 2020-04-10 | 昆明弘承商贸有限公司 | Low-temperature instant coffee and process for freezing and concentrating solution thereof |
| CN111406819A (en) * | 2020-05-14 | 2020-07-14 | 上海应用技术大学 | Roasting method of coffee beans |
| CN111685350A (en) * | 2020-06-16 | 2020-09-22 | 昆山亿政食品有限公司 | Efficient deep baking process and device thereof |
| CN212994191U (en) * | 2020-06-29 | 2021-04-20 | 苏州金猫咖啡有限公司 | Instant coffee powder apparatus for producing |
| CN213605854U (en) * | 2020-09-21 | 2021-07-06 | 魔饮咖啡(青岛)有限公司 | Cold extraction device of coffee |
| CN216019041U (en) * | 2021-08-24 | 2022-03-15 | 昆明弘承食品科技有限公司 | Coffee bean roasting system capable of controlling caffeine content |
| CN115067411A (en) * | 2022-07-22 | 2022-09-20 | 北京林业大学 | Three-dimensional freeze-dried coffee block product and manufacturing method and application thereof |
| CN115500420A (en) * | 2022-09-22 | 2022-12-23 | 福建拓天生物科技有限公司 | Processing technology of freeze-dried coffee product |
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|---|---|
| CN113712224B (en) | 2023-12-22 |
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