KR20220128703A - Systematic coffee processing plant - Google Patents

Abstract

The present invention relates to a systematic coffee processing plant. Specifically, the present invention relates to the systematic coffee processing plant that enables all processes from input of green coffee beans to roasting and blending to be performed automatically to enable mass-production while being hygienic, and moreover, enables to enhance a flavor and taste through optimized roasting for each type of green coffee beans. The systematic coffee processing plant comprises: a green bean injector; a foreign matter sorter; a green bean storer; a plurality of roasters; a selection feeder; a byproduct processor; a green bean storer; and a blending mixer.

Description

Systematic coffee processing plant {SYSTEMATIC COFFEE PROCESSING PLANT}

The present invention relates to a systemmatic coffee processing plant, and more particularly, the entire process from the input of green coffee beans to roasting and blending is automatically performed, enabling hygienic and mass production, furthermore, roasting optimized for each type of green coffee bean It is related to a systematic coffee processing plant that can enhance aroma and taste through

Coffee has already established itself as a popular beverage, and interest in coffee has increased to the extent that coffee shops can be easily found anywhere.

This coffee has a unique flavor through a process of roasting selected green beans. Roasting is a process in which green coffee beans are roasted to create taste and aroma in earnest.

When green beans stored for coffee roasting are put into a roaster, the roaster applies heat by radiation, conduction, and convection methods for each type. At this time, several roasters divided into direct fire type, hot air type, and semi-hot air type are sometimes used.

However, the conventional roasting apparatus has a problem in that it is not suitable for roasting and supplying coffee in large quantities like a franchise coffee shop, since an expert must be directly involved from the input of green beans to the roasting.

In addition, in order to preserve the unique taste and aroma of coffee, the pretreatment process from selecting high-quality green coffee beans to removing foreign substances is difficult, and sanitary problems may occur in the process in which the operator is directly involved.

In addition, although the aroma and taste of green beans should be maximized by roasting through the process of finding the peak roasting for each different green coffee bean, there are limitations with limited physical facilities and human resources.

Republic of Korea Patent Registration No. 10-1650736 Republic of Korea Patent No. 10-1786530 Republic of Korea Patent Registration No. 10-2066951 Republic of Korea Patent Registration No. 10-1961559

The present invention is intended to solve the above problems, and the entire process from the input of green coffee beans to roasting and blending is automatically performed, enabling hygienic and mass production, and furthermore, roasting optimized for each type of green coffee bean We want to provide a systematic coffee processing plant that can enhance the taste and flavor.

To this end, a systemmatic coffee processing plant according to the present invention includes: a green bean inserter that picks up a sack containing green coffee beans, moves it to a cutting device, and collects and supplies green beans dropped from the sack cut by the cutting device; a foreign material sorting unit for separating and removing foreign substances contained in the green coffee beans supplied from the green coffee bean inserter; a green coffee storage unit having a plurality of green coffee storage cells to receive the green coffee beans that have passed through the foreign material sorter and to sort and store the green coffee beans by type; a plurality of roasters, each of which is roasted in a different heat transfer method; a selection feeder for inputting the green beans stored in the green bean storage unit to one of the roasters according to the type of green coffee beans; a by-product processor for processing by-products generated during roasting of the green beans in the roaster; a bean storage device having a plurality of bean storage cells to receive the roasted coffee beans by the roaster and to classify and store the coffee beans by type; and a blending mixer after receiving different coffee beans stored in the bean storage cell and mixing them at a set ratio.

In this case, the green bean inserter includes: a pickup device including a hook rotatable to penetrate and hang the sack containing the green coffee beans; a sack transporter on which the pick-up device is mounted and which moves along a rail by a motor drive to transport the sack; a cutting device for cutting the lower part of the sack being transported by the sack feeder with a cutting blade mounted on the rotating shaft; a locking rod installed adjacent to the cutting device and installed to contact the sack from a lower side of the slitted sack; a reciprocating device that shakes the cut sack through the locking rod as it reciprocates back and forth while connected to the locking rod; and a green coffee collection hopper installed under the locking rod and configured to collect green coffee beans dropped from the bag.

In addition, the foreign material separator includes a size separator for separating green coffee beans and foreign substances of different sizes using a sieve having a plurality of holes of a set diameter penetrated therethrough; a metal sorter for generating magnetic force in a region through which the green coffee bean passes through an electromagnet rotating around the origin to adsorb metal foreign substances, and removing the magnetic force in other regions to discharge the adsorbed metal foreign substances; a specific gravity separator that receives vibration from the vibrator and vibrates, and only foreign substances having a higher specific gravity than the green beans are transported upward by vibration by means of a transporter installed inclined downward in the direction in which the green coffee beans are discharged, and then discharged; and a vision selector that inspects any one or more of the color and contrast of the falling green coffee beans, reads whether they are outside the set range, and sprays air toward the defective beans out of the set range to discharge them.

Preferably, the green bean storage unit includes a pre-blending mixer for receiving different types of green coffee beans from the green coffee storage cells storing the different types of green coffee beans and mixing them at a set ratio.

In addition, the plurality of roasters may include: a first roaster for roasting green coffee beans by applying hot air into a chamber into which green coffee beans are inserted; and a second roaster that heats the rotary drum into which the green beans are inserted by a flame, and applies hot air to the rotary drum to roast the green beans.

In addition, it is preferable that the selective feeder puts the green beans into either the first roaster 140 or the second roaster 150 according to a classification determined by adding up evaluation scores for each of the size, density, and moisture content of the green coffee beans. do.

In addition, the first roaster includes a first cooler for cooling the heated green coffee beans, and the second roaster includes a second cooler for cooling the heated green coffee beans, wherein the first cooler includes a screen on which heated green coffee beans are placed Preferably, the cooling air is blown from the lower part to the upper part, and the cooling air is blown from the upper part of the screen on which the heated green beans are placed to the lower part of the second cooler.

In addition, the by-product processor may include: an after-burner for removing smoke generated when roasting green beans in the roaster by heat; and a chaff processor for collecting and discharging chaff generated during the roasting of green beans in the roaster.

The coffee bean transporter may further include a green bean transporter for transporting the green beans and a coffee bean transporter for transporting the coffee beans, wherein the green coffee transporter includes: a green bean transport tube that provides a passage between the device and the device for transporting green beans; and an air injector that applies high-pressure air into the green bean transfer tube to push out the green beans, wherein the bean transfer unit includes: a coffee bean transfer tube that provides a passage between the apparatus and the coffee bean transfer tube; a plurality of conveyor pushers installed to be spaced apart along the inside of the bean transfer pipe to push and move the coffee beans; and an actuator for moving the conveyor pusher along the bean transfer pipe.

According to the present invention as described above, the entire process from the input of green coffee beans to roasting and blending is automatically performed, thereby enabling hygienic and mass production. In addition, roasters with different heating methods for each type of green coffee beans are optimized to roast to enhance flavor and flavor.

1A is an overall configuration diagram showing a systematic coffee processing plant according to the present invention.
Figure 1b is a diagram showing the configuration of the roaster selection feeder of the present invention.
2A to 2E are diagrams illustrating a green bean inserter according to the present invention.
3A to 3E are diagrams illustrating a foreign material sorter according to the present invention.
4 is a view showing the green bean storage device of the present invention.
5A to 5G are views showing the first roaster (hot air type) of the present invention.
6A to 6C are diagrams showing a second roaster (semi-hot air type) of the present invention.
7 is a view showing the afterburner of the present invention.
8 is a view showing the bean storage machine of the present invention.
9 is a view showing the green bean transfer machine according to the present invention.
10a and 10b are views showing the bean transfer machine of the present invention.

Hereinafter, a systematic coffee processing plant according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1A and 1B , the systemmatic coffee processing plant 100 according to the present invention inserts and roasts various types of green beans having various origins, varieties, or classification grades, and roasts them, and The entire process, from blending to packaging, as well as the process, is automatically performed under the design of the system.

To this end, the present invention provides a green bean inserter 110, a foreign material sorter 120, a green bean storage unit 130, a roaster (RST: 140, 150), a selective feeder (SEL), a by-product processor (AF-B), It includes a bean storage unit 160 , a post-blending mixer (BAR) and an automatic packaging machine 170 .

As another embodiment, a pre-blending mixer (BBR) that supplies green beans to the roasters 140 and 150 after blending them, a green bean transporter 180 that transports green beans between devices, and roasted coffee beans between the devices It further includes a bean transfer machine 190 to transfer from.

In this case, each device may be provided in plurality according to the production capacity. In particular, the roasters 140 and 150 include a plurality of roasters 140 and 150 adopting different roasting methods (heating/heat transfer method), and the green coffee beans are supplied by the selective feeder SEL.

According to the above configuration, the green bean inserter 110 breaks the sack containing the green beans and inserts the green coffee beans, and the foreign material sorter 120 removes foreign substances other than green coffee beans as well as defective beans from among the green coffee beans, and only uses green coffee beans of excellent quality ( 130) can be stored. At this time, the green beans are stored in different storage spaces (green coffee storage cells) for each type.

In addition, the stored green coffee beans are put into one selected from among the plurality of roasters 140 and 150 for each type to achieve optimal roasting (vertical roasting) according to the characteristics of the green coffee beans. At this time, after blending by the pre-blending mixer (BBR), the beans are put into the roasters 140 and 150, or roasted and blended by the post-blending mixer (BAR). Single or blended beans are automatically packaged by the automatic packaging machine 170 It is packaged (film, zip bag, paper bag).

Accordingly, according to the present invention, the entire process from the input of green coffee beans to roasting and blending as well as packaging thereafter is automatically performed, enabling hygienic and mass production. In addition, it is possible to enhance flavor and flavor through roasting optimized with roasters 140 and 150 with different heating methods for each production region or type of green coffee beans.

More specifically, the green bean inserter 110 picks up the sack containing green coffee beans, moves it to the cutting device, and collects the green coffee beans dropped from the sack cut by the cutting device. The collected green coffee beans are stored in the green coffee storage unit 130 after the selection process.

To this end, the green bean inserter 110 includes a pickup device 111 , a sack transporter 112 , a cutting device 113 , a locking rod 114 , a reciprocating device 115 , and a green bean collection hopper 116 as an embodiment. consists of including.

As shown in FIGS. 2A (before the locking operation) and FIG. 2B (after the locking operation), the pickup device 111 includes a hook 111a that can be rotated to penetrate and hang a bag (BAG) containing green coffee beans, and transfer the bag It is installed inside the frame (112a) constituting the unit (112).

The hooks 111a may be configured in a plurality of rows (eg, four rows), and a plurality of hooks 111a are spaced apart in each row to enable picking up a plurality of sacks BAG at once, of course. , it enables to pick up all the batteries (BAGs) located within a certain range.

In addition, a pair of half parts is composed of a metal ring formed in an approximately semicircular shape, and is closed or spread by the driving cylinder 111b around the pivot point of the upper side. In this case, it is possible to place a bag (BAG).

The sack transporter 112 moves along the rail by driving a motor, and the pickup device 111 is installed in the frame 112a of the sack transporter 112, and the sack ( BAG) to the subsequent process.

2c (before sack cutting) and 2d (after sack cutting), the cutting device 113 cuts the transported sack BAG, and is a sack with a cutting blade 113b mounted on the rotating shaft 113a. The bag (BAG) being transported by the transporter 112 is cut. That is, the lower portion of the bag (BAG) passing over the cutting blade (113b) in the congregation is cut.

To this end, one end of the rotating shaft (113a) is connected to the shaft of the electric motor, and the cutting blade (113b) has its rotation center inserted into the rotating shaft (113a) and coupled thereto. Preferably, a plurality of cutting blades 113b are installed to be spaced apart along the longitudinal direction of the rotation shaft 113a.

The locking rod 114 is installed adjacent to the cutting device 113 (installed on the downstream side based on the bag transport direction) so that it can shake in contact with the bag (BAG) that has passed through the cutting device 113, and the incised bag A plurality of them are arranged side by side so as to contact from the lower side of (BAG).

In addition, the plurality of locking rods 114 are installed so that both front and rear ends thereof are fitted to the installation frame and supported, and in that state, reciprocating movement is possible in the left and right (based on the sack transfer direction) direction. Therefore, it is operated by the reciprocating machine 115 which will be described later.

As shown in FIG. 2E , the reciprocating machine 115 reciprocates back and forth in a state connected to the locking rod 114 , so as to shake the bag BAG cut through the locking rod 114 . To this end, the reciprocating machine 115 may be a cylinder device, and the cylinder rod is connected to the locking rod 114 and installed.

The green bean collection hopper 116 is installed under the hanging rod 114 to collect the green beans dropped from the bag. Collect the fallen green beans.

The foreign material sorter 120 classifies and removes foreign substances or defective beans contained in the green coffee beans supplied from the green coffee bean inserter 110 and removes the foreign material. the quality is low.

To this end, the foreign material sorter 120 includes a size sorter 121 , a metal sorter 122 , a specific gravity sorter 123 , and a vision sorter 124 . In addition, it preferably further includes a purification filter for sucking and discharging the generated dust or dust by being connected to each of the above sorters.

As shown in FIG. 3A , the size selector 121 classifies various foreign substances having a size difference from the green coffee beans by using the size difference between the green coffee beans and the foreign substances.

To this end, the size selector 121 classifies the green beans and other foreign substances (straw, paper, etc.) of different sizes by using a sieve 121a having a plurality of holes having a set diameter.

In an embodiment, the size selector 121 includes a filter body (121a: 121a-T, 121a-B) disposed in upper and lower multi-stages, an inlet (121b) provided on an upstream side of the uppermost end, and a downstream side arranged by size. It includes an outlet (121c: Out-1 ~ Out-4) for discharging the fraction, respectively.

The outlet 121c includes a first outlet Out-1 through which normal green coffee beans are discharged, a second outlet Out-2 through which large foreign substances such as straw are discharged, and a second outlet through which small foreign substances such as dust or soil are discharged. Includes 3 outlets (Out-3).

In addition, a fourth connected and installed on the discharge path of the first outlet Out-1 to finally remove dust or damaged green coffee beans (or their powder or powder) that can be mixed and discharged with normal green coffee beans by rising by the suction airflow. It may further include an outlet (Out-4).

Accordingly, the fraction inputted through the inlet 121b passes through the outlet Out-1 through which normal green coffee beans are discharged only along the green coffee beans of an appropriate size while moving along the multi-stage filter sieves 121a-T and 121a-B. to be collected through

That is, since the size of the through hole is large, the green coffee beans fall onto the lower filter body 121a-B while passing through the upper filter body 121a-T through which the green coffee beans pass, and the green coffee beans passing through the lower filter body 121a-B It is discharged and collected through the first outlet (Out-1). On the other hand, a large foreign material such as straw passes through the upper filter body 121a-T and is sorted and discharged through the second outlet Out-2.

In addition, while passing through the lower filter body 121a-B, which cannot pass green coffee beans due to the small size of the through hole, foreign substances such as dust fall and are discharged through the third outlet Out-3, and finally the green coffee beans are sorted and In the process of being discharged, fine-sized foreign substances such as dust rise upward by the wind pressure (suction force) acting on the fourth outlet Out-4, and are separated and discharged.

On the other hand, as shown in FIG. 3B , the metal sorter 122 removes metallic foreign substances contained in the fraction using magnetic force, and the area through which the green coffee beans pass through the electromagnet 122a rotating 360° around the origin (right side of the drawing) At the top), magnetic force is generated to adsorb metal foreign substances, and in other areas, magnetic force is removed to discharge the adsorbed metal foreign substances.

In addition, the metal sorter 122 includes a hopper 122b into which the fraction including green beans is put, a gate 122c for controlling an opening ratio at the lower discharge end of the hopper 122b, and a hopper 122b. ) includes a cylindrical guide drum 122d flowing down along the outer circumferential surface and a separator 122e spaced apart from left and right in the lower portion of the guide drum 122d.

At this time, the above-described electromagnet 122a is formed in a circular arc shape (half ring shape) and rotates 360° around the origin in the guide drum 122d, and the metal foreign material moves the orbit of the electromagnet 122a generating magnetic force. along the surface of the guide drum 122d.

Therefore, the green beans flow down on the guide drum 122d and are discharged through the right side of the separator 122e, and the metal foreign substances attached by the electromagnet 122a fall over the left side of the separator 122e and then fall due to loss of magnetic force. and released separately.

As shown in FIG. 3C , the specific gravity selector 123 removes foreign substances from the fraction including green coffee beans using the specific specific gravity of the material.

To this end, the specific gravity selector 123 includes a transporter 123b that vibrates by receiving vibration from the vibrator 123a installed on one side of the housing installed on the work table.

The conveying table 123b is installed to be inclined downward in the direction in which the green coffee beans are discharged, so that foreign substances having a higher specific gravity than the green coffee beans are conveyed (reversed) upward by vibration and then discharged.

Specifically, the vibrator 123a is connected to the lower portion of the selector housing 123c, and in the housing 123c, an upper transporter 123b-T and a lower transporter 123b-B disposed in vertical and multiple stages are provided. Each of the green coffee beans is installed to be inclined downward in the transfer direction to receive vibration from the vibrator 213a.

In addition, the housing 123c is provided with a downwardly inclined connection guide 123d protruding between the upper end of the upper transport 123b-T and the upper end of the lower transport 123b-B, and the lower transport 123b- A first outlet 123e through which a material having a specific gravity greater than that of green coffee is discharged is installed at the upper end of B).

In addition, the upper transport 123b-T and the lower transport 123b-B are each formed of a fine hole through which high-pressure air passes, or is composed of a mesh network. At this time, a second outlet 123f is installed at the upper end of the housing 123c, and the suction force by the exhaust fan acts on the second outlet 123f side, so that foreign substances that have a very small specific gravity than green coffee beans are discharged.

Therefore, when the magnitude of the vibration is adjusted together with the inclination angle of the conveyer 123b, the foreign material having a large specific gravity is discharged through the first outlet 123e by retrogressing upward along the inclined surface along the conveying table 123b.

That is, the material with a large specific gravity is retrogressed from the upper transport and then introduced onto the lower transport 123b-B through the connecting guide 123d, then retrograde again and discharged through the first outlet 123e.

On the other hand, foreign substances having a small specific gravity are blown upward by the high-pressure air acting on the second outlet 123f and discharged through the second outlet 123f. -B) is collected after each fall through the downstream side.

On the other hand, the vision selector 124 classifies high-quality normal green beans and other defective beans by vision. It reads if it is out of range, and blows air toward the defect head that is out of the set range to exhaust and remove it.

3D and 3E, the vision selector 124 includes a green coffee dropper 124a, a vision checker 124b, and a pneumatic ejector 124c from the top to the bottom.

Here, the green coffee dropper 124a is, for example, penetrated in a slit shape having a long left and right length so that the green coffee beans are spread widely and fall.

The vision checker 124b inspects any one or more of the color and contrast of the falling green coffee using a camera, and reads whether it is out of a set range.

The pneumatic ejector 124c sprays air toward the foreign material out of the set range according to the reading result, and pushes it forward to eject it.

The pneumatic ejector 124c independently injects high-pressure air including a plurality of fine injection holes along the horizontal direction, and the vision inspector 124b is positioned to distinguish green coffee beans falling from the upper side to the lower side of the fine injection hole, respectively. is installed in

Accordingly, green coffee beans that are widely spread out from the green coffee drop opening 124a and are falling without overlapping with each other are inspected in a state specified by the vision inspector 124b, and the defective beans classified by color or contrast are moved forward by the pneumatic ejector 124c. departed and removed

The green bean storage unit 130 receives and stores only high-quality green beans from which foreign substances or defects are removed by passing through the foreign material sorter 120 as described above.

As shown in FIG. 4 , the green coffee storage unit 130 separates and stores green coffee beans into an appropriate unit capacity suitable for storage, and stores them in a plurality of green coffee storage cells ( storage cell, 131).

For example, the green coffee storage unit 130 can store 20 tons of green coffee beans at a time by arranging 10 green coffee storage cells 131 each having a storage capacity of 2 tons in two rows, and each green coffee storage cell 131 has an upper side. It is connected to the supply line 132 and the discharge line 133 on the lower side.

In addition, it further includes a scale 134 for measuring the amount of green coffee supplied. The scale 134 is used to measure the amount of input to different roasters 140 and 150 depending on the green coffee beans, as will be described later. .

As a method of measuring using the scale 134 , a method of measuring the amount of movement of green coffee in each discharge line 133 , a method of measuring by subtracting the weight reduced after supplying green coffee from the total weight of the green coffee storage cell 131 , etc. Various methods may be applied.

However, it is preferable that the green coffee storage unit 130 includes a pre-blending mixer (BBR) for receiving different green coffee beans from the green coffee storage cells 131 storing different types of green coffee beans and mixing them at a set ratio.

The pre-blending (blending before roasting) method is a method in which green coffee beans of different types (produced region or grade, etc.) are first mixed at a set ratio before roasting, and then put into the roasters 140 and 150 . Accordingly, the pre-blending mixer (BBR) may be provided between the green bean storage unit 130 and the roasters 140 and 150 .

In an embodiment, the pre-blending mixer (BBR) mixes green coffee beans in addition to a plurality of discharge lines 133 provided below the green bean storage unit 130 and a scale 134 for measuring the amount of discharge from each discharge line 133 . It may be configured to include a mixer and a central control device for controlling them.

The roasters 140 and 150 are processing devices that roast coffee for a certain period of time by applying heat to green coffee beans. Generally, it is largely divided into weak, medium, and strong depending on the roasting strength. The stronger the roasting strength, the weaker the acidity of the coffee and the bitter taste it gets stronger

Therefore, in the roasting process, heat is applied to green coffee beans to expand the tissue, and a series of operations are performed to harmoniously express various components (moisture, fat, fiber, sugar, caffeine, organic acids, tannins, etc.) of green coffee beans.

At this time, it is important to understand the characteristics of green coffee beans, such as harvest time, moisture content, density, production area, seeds, and processing method. The roasting conditions for this are various.

Accordingly, in the present invention, a plurality of roasters (RST) are provided in one system, and they are classified into different types of roasting in different heat transfer methods. For example, a plurality of roasters (RST) may adopt a variety of roasters divided into radiation, conduction, convection method, or direct fire type, semi-hot air type, hot air type.

Therefore, the present invention provides a plurality of roasters (RSTs) of different roasting methods, and selects one of the roasters (RST) according to the type of green coffee (variety, grade, storage condition, etc.) and inputs the green coffee beans.

In an embodiment, the roasters 140 and 150 may include a first roaster 140 and a second roaster 150, wherein the first roaster 140 is a 'hot air roaster', and the second roaster 150 is It is a 'half-heat style roaster'.

In other words, the first roaster 140 roasts the green coffee beans by applying hot air into the chamber into which the green coffee beans are inserted. In this case, a set amount of green coffee beans may be input in a chamber in which hot air having a temperature within a set range is flowing, and may be roasted by stirring for a set time.

The second roaster 150 roasts the green coffee beans by heating the rotary drum into which the green coffee beans are put with a flame, and applying hot air into the rotary drum. In this case, a set amount of green beans may be put into the heated rotary drum and roasted by applying hot air at a set temperature to pass through the inside of the rotary drum while mixing.

The first roaster 140 of the hot air type supplies a relatively large amount of heat per unit time than the second roaster 150 of the semi-hot air type only with hot air. and the second roaster 150 to select any one of the roasters and put green coffee beans therein.

Distinguishing factors that require a lot of calories during roasting include a dense texture due to a high density of green beans, a high moisture content, so moisture must be evaporated within an optimal time before the taste and aroma are lost, or a large size or volume per unit volume There are cases in which it is difficult to transfer heat to the core of green coffee beans, such as when the surface area is small.

Accordingly, green coffee beans of a selected grade among green Central American coffee beans such as Colombia or Guatemala are put into the first roaster 140 , and a selected grade of African coffee such as Ethiopia or Kenya or South American coffee such as Brazil is input to the second roaster 150 . of green beans will be added.

As shown in more detail in FIG. 5A , the hot air roaster, which is the first roaster 140 , largely includes a first inserter 141 , a roasting chamber 142 , and a first cooler 143 .

As shown in FIG. 5B , a hopper is applied to the first inserter 141 , and a lower discharge end 141a is connected to the inside of the roasting chamber 142 to put green coffee beans into the roasting chamber 142 .

As shown in Fig. 5c, the roasting chamber 142 is provided with a stirrer 142a having a plurality of stirring blades therein. The stirrer (142a) is provided with a plurality of blades extending radially from the outer surface of the rotation shaft.

In addition, an inlet 142b through which hot air is introduced from the outside is installed on one side of the roasting chamber 142, and an outlet 142c through which the hot air is discharged is installed on the other side, and the inlet 142b and the outlet 142c are provided with a stirrer ( 142a) in accordance with the direction of the stirring progress.

Accordingly, as shown in FIG. 5D , hot air is supplied into the roasting chamber 142 through the inlet 142b to roast and roast the green beans being stirred by the stirrer 142a, and the hot air used for roasting is discharged through the outlet 142c. do.

At this time, hot air is supplied in advance to preheat the green beans before input, and if the temperature is lowered again according to the input of green beans, the roasting environment can be adjusted according to the design value by increasing the amount of hot air per unit time or increasing the temperature.

As shown in FIG. 5E , the first cooler 143 is to cool roasted green beans to maintain the taste and aroma of coffee, and includes a cooling drum 143a, a cooling stirrer 143b and a cold air outlet 143c. do.

Here, a cooling fan rotated by a motor is installed inside the cooling drum 143a to blow cooling air (hereinafter referred to as cold air) toward the top surface, and the top surface of the cooling drum 143a is, for example, on which green beans are placed. As it is composed of a screen, etc., micropores through which air passes are formed so that cold air is blown toward the roasted green beans.

In addition, as an inlet 143d into which the green beans roasted in the roasting chamber 142 is put is provided on one side of the upper surface of the cooling drum 143a, the green coffee beans are put into the cooling drum 143a and then the cooling stirrer 143b stirred by

Accordingly, as shown in FIG. 5F , the cold air blown upward in the cooling drum 143a cools the roasted green beans being stirred, and then is discharged through the cold air outlet 143c on the upper side. That is, cooling is performed by blowing cold air from the lower side of the stacked many (multiple) roasted green beans.

This is different from the second cooler 156 of the second roaster 150 described below (downward cooling injection type). As shown in FIG. 5g , the first cooler 143 is an upward injection method with a larger screen size. is adopted to directly blow cold air from the lower portion of the green coffee placed on the cooling drum 143a. The first cooler 143 enables relatively rapid cooling than the second cooler 156 .

Next, as shown in FIGS. 6a and 6b, the semi-hot air roaster, which is the second roaster 150, is largely a second input unit 151, a flame generator 152, a roasting drum 153, a hot air inlet 154, a hot air outlet ( 155 ) and a second cooler 156 , and in an embodiment, a hopper is also applied to the second inputter 151 and connected to the inside of the roasting drum 153 .

The flame generator 152 is installed under the roasting drum 153 to burn fuel and inject a flame to transfer heat to the roasting drum 153 . For example, a flame among the heat sources generated by the flame generator 152 directly/indirectly heats the roasting drum 153 , and the hot air passes through the roasting drum 153 .

At this time, the roasting drum 153 is rotated about a rotation axis in a state in which it is installed horizontally with respect to the ground, and a stirring blade 153a is installed therein. The stirring blade (153a) is installed in the spiral direction on the inner peripheral surface of the roasting drum (153).

The hot air inlet 154 is provided to connect the end of the flame generator 152 and one side of the roasting drum 153 so that the hot air generated by the flame generator 152 is introduced into the roasting drum 153 . do.

The hot air outlet 155 is connected and installed on the other side of the roasting drum 153 . Accordingly, the hot air introduced to the inside through one side of the roasting drum 153 can be discharged to the outside of the drum through the hot air outlet 155 after passing through the inside of the roasting drum 153 .

Accordingly, the green beans introduced through the second inputter 151 are roasted in a semi-hot air method in which the roasting by the roasting drum 153 heated by the flame and the roasting by the hot air passing through the inside of the roasting drum 153 are mixed. .

After roasting, the roasted green beans discharged from the roasting drum 153 are cooled in the second cooler 156 .

As shown in FIG. 6C , the second cooler 156 cools roasted green beans to maintain the taste and aroma of coffee. include

Here, a suction fan rotated by a motor is installed inside the cooling drum 156a to suck cold air downward, and micropores through which air passes are formed in the upper surface (screen) of the cooling drum 156a. Apply cold air towards the green beans.

In an embodiment, the cold air is discharged to the lower side through a discharge duct (not shown) installed spaced apart from the upper side of the cooling drum (156a).

In addition, as an inlet (not shown) into which the green beans roasted in the roasting drum 153 is put is provided on one side of the upper surface of the cooling drum 156a, the green coffee beans are put into the cooling drum 156a and then a cooling stirrer 156b stirred by

Accordingly, the cold air blown downward from the discharge duct at the top of the cooling drum 156a cools the roasted green beans being stirred, and is sucked through the cold air inlet 156c on the lower side and then discharged to the outside through the duct DUT2, etc. do.

As described above, in the present invention, since the green coffee beans input to the first roaster 140 and the second roaster 150 are separated, the optimum cooling temperature or cooling temperature, respectively, depending on the characteristics of green coffee beans due to differences in size, density, and moisture content, etc. make time for it

That is, the second cooler 156 has a relatively low cooling performance compared to the first cooler 143, which is capable of rapid cooling, and enables sufficient cooling before the taste and aroma of the coffee beans are blown away due to the characteristics of the green coffee sufficient even with general cooling. .

The green beans that have been roasted through the first roaster 140 and the second roaster 150 are discharged by opening the opening on one side, respectively, and the discharged beans are discharged through the bean transfer machine 190 to be described later. 160) is transferred.

In addition, by-products such as smoke or chaff generated in the process of roasting green beans in the first roaster 140 and the second roaster 150 are processed by the by-product processor AF-B.

The by-product processor (AF-B) is an after-burner (AF-B) and other roasters (140, 150) that removes smoke generated when roasting green beans in the roaster (140, 150) by heat as shown in FIG. ) may include a chaff processor (not shown) that collects and discharges chaff generated during roasting of green coffee beans.

The selective feeder SEL is for putting green coffee beans stored in the green coffee storage unit 130 into one of a plurality of roasters 140 and 150 according to the type of green coffee beans. And it is put into any one of the semi-hot air type second roaster (150).

In particular, the selective feeder (SEL) selects one of the first roaster 140 or the second roaster 150 according to the amount of heat during roasting determined by summing the evaluation scores for each of the size, density, and moisture content of green coffee beans. The green beans are added.

For example, green coffee beans having a size greater than 15 SCR and less than or equal to SCR 17, a density greater than 720 g/L, or a moisture content greater than 11% and less than or equal to 13% are added to the first roaster 140 of the hot air type, or green beans determined by a combination thereof put in

On the other hand, green coffee beans having a size of SCR 11 or more, SCR 15 or less, a density of 720 g/L or less, or a moisture content of 9% or more and 11% or less are added to the second roaster 150 of the semi-hot air type, or green coffee beans determined by a combination thereof put in Accordingly, the present invention enables optimal roasting for each type of green coffee bean.

To this end, the selective feeder (SEL) may include a transfer pipe connecting the discharge end of the green bean storage unit 130 and the respective roasters 140 and 150, and an opening installed in the transfer pipe to control the transfer and blocking of green coffee beans. can

The transfer pipe may be composed of branch pipes that extend from the discharge end of the green bean storage unit 130 and then branch toward the first roaster 140 and the second roaster 150, respectively, and the opening and closing ports are respectively installed after the branch point. It determines the transfer direction of the green beans and allows the roasters 140 and 150 to be selected accordingly. For example, by turning the lever, green coffee beans can be put into either one of the first roaster 140 and the second roaster 150 .

However, since the transfer pipe for supplying the selective feeder SEL is for transferring green coffee beans, the green bean transferer 180 as described below may be applied. Accordingly, at least a portion of the transfer tube of the selective feeder SEL may be the green coffee transfer tube 181 .

The coffee bean storage unit 160 receives roasted coffee beans from the roasters 140 and 150, classifies them by type of coffee beans, and stores them.

As shown in FIG. 8 , the bean storage unit 160 separates and stores the appropriate unit capacity suitable for storing coffee beans, and separates and stores different types of green coffee beans or roasted green beans in different ways. of the coffee bean storage cell 161 .

To this end, as an embodiment, the coffee bean storage unit 160 arranges 10 coffee bean storage cells 161 each having a storage capacity of 1 ton in two rows so that 10 tons of coffee beans can be stored at once, and each coffee bean is stored. The upper supply line 162 and the lower discharge line 163 are connected to the cell 161 .

In addition, it further includes a scale 164 for measuring the amount of coffee beans supplied, the scale 164 measures the amount of coffee beans supplied to the subsequent automatic coffee packaging machine (170).

Various methods such as a method of measuring each discharge line 163 of the scale 164 of the bean storage unit 160 and a method of measuring the reduced weight after supplying beans from the total weight of the bean storage cell 161 are applied. can

The post-blending mixer (BAR) receives and mixes different coffee beans stored in the bean storage cell 161, respectively, and in blending after roasting, different types of roasted beans are supplied and the ratio is set. Mix.

Here, for different types of coffee beans subjected to post-blending, the same green coffee beans are roasted at different temperatures, times and methods, as well as different flavors and aromas after roasting, just like roasting bottled water with different harvest times even from the same origin. It may include all beans having a.

Therefore, the post blending mixer (BAR) is provided between the bean storage unit 160 and the automatic packaging machine 170, and in an embodiment, the post blending mixer (BAR) is a plurality of discharge lines provided at the lower side of the bean storage unit 160 . 163 and a scale 164 for measuring the amount of discharge from each discharge line 163 and a mixer for mixing them.

On the other hand, as described above, each device constituting the systematic coffee processing plant of the present invention is connected to each other by the transporters 180 and 190, and the green beans or coffee beans are supplied to each step by the transporters 180 and 190. will receive

That is, the green bean inserter 110, the foreign material sorter 120, the green bean storage unit 130, the selective feeder (SEL), the roasters 140 and 150, the bean storage unit 160, the post-blending mixer (BAR) and the automatic packaging machine Between 170 , green coffee beans and coffee beans are respectively transferred through the transfer machines 180 and 190 .

In particular, the present invention separates the green coffee bean transfer machine 180 for transferring green coffee beans and the coffee bean transfer machine 190 for transferring green beans as the transfer machines 180 and 190, so that the green beans and coffee beans are transferred to different transfer devices. transported by

Since the green beans are in a state before being roasted by the roasters 140 and 150, the tissue is dense and strong, so the possibility of damage during transport is very small, whereas the coffee beans are roasted by heat, so there is a high possibility of damage. Accordingly, the green beans are transported by the high-pressure air method, and the beans are transferred by the conveyor method.

For example, as shown in FIG. 9 , the green coffee transfer unit 180 includes a green coffee transfer tube 181 that provides a passage between the apparatus and the apparatus for transferring green coffee beans, and an air injector that is connected to the green coffee transfer tube to push the green coffee beans and applies high-pressure air. includes

The green coffee transfer machine 180 can be connected from the discharge end of the green bean storage unit 130 to the roasters 140 and 150, and at least some sections of the green bean transfer pipe 181 are made of a transparent material so that the transfer state can be checked from the outside. can be composed of

On the other hand, as shown in FIG. 10A , the bean transfer machine 190 includes a bean transfer tube 191 that provides a path through which beans are transferred between the device and the apparatus, and a plurality of bean transfer tubes 191 are installed spaced apart along the inside of the bean transfer tube 191 . It includes a conveyor pusher 192 and an actuator 193 for moving the conveyor pusher 192 along the bean transfer pipe 191 .

The conveyor pusher 192 pushes and moves the beans fed into the bean transfer pipe 191, and is made in the shape of a disk, for example, in a state coupled to the connecting rod 192a disposed along the bean transfer pipe 191. It is in close contact with the inner peripheral surface of the transfer pipe (191).

As shown in Fig. 10b, the actuator 193 pushes or pulls the connecting rod 192a to move it along the transfer track (the extended installation path of the bean transfer pipe), and the conveyor pusher coupled to the connecting rod 192a ( 192) pushes the beans and transmits the power to transport them to the designed position.

Accordingly, in the present invention, from the green bean inserter 110 to the foreign material sorter 120, the green bean storage unit 130, the selective feeder (SEL), the roasters 140 and 150, the bean storage unit 160, and the post-blending mixer (BAR). And between the automatic packaging machine 170, each green bean or coffee bean is automatically put in, so that the entire process from roasting to packaging is automatically performed.

In the above, specific embodiments of the present invention have been described above. However, the spirit and scope of the present invention is not limited to these specific embodiments, and various modifications and variations are possible within the scope that does not change the gist of the present invention. You will understand when you grow up.

Therefore, since the embodiments described above are provided to fully inform those of ordinary skill in the art to which the present invention pertains to the scope of the invention, it should be understood that they are exemplary in all respects and not limiting, The invention is only defined by the scope of the claims.

110: green bean inserter
120: foreign material sorter
130: green bean storage
140: first roaster (hot air type)
150: 2nd roaster (semi-hot air type)
160: bean storage unit
170: automatic packaging machine
180: green bean transfer machine
190: bean feeder
SEL: optional supply
BBR: Sun Blending Mixer
BAR: Post-Blending Mixer
AF-B: By-product processor (after burner)

Claims (9)

a green bean inserter 110 that picks up the bag (BAG) containing green coffee beans, moves it to the cutting device 113, and collects and supplies the green coffee beans dropped from the bag (BAG) cut by the cutting device 113;
a foreign material separator 120 for separating and removing foreign substances contained in the green coffee beans supplied from the green coffee bean inserter 110;
a green coffee storage unit 130 having a plurality of green coffee storage cells 131 to receive the green coffee beans that have passed through the foreign material sorter 120 and to sort and store the green coffee beans by type;
a plurality of roasters 140 and 150 in which roasting is performed in different heat transfer methods, respectively;
a selection feeder (SEL) for inputting green beans stored in the green bean storage unit 130 into one of the plurality of roasters 140 and 150 according to the type of green coffee beans;
a by-product processor (AF-B) for processing by-products generated during roasting of the green beans in the roaster (140, 150);
a coffee bean storage unit 160 having a plurality of bean storage cells 161 to receive the roasted coffee beans by the roaster 140 and 150 and to classify and store the coffee beans by type; and
Systematic coffee processing plant comprising: a blending mixer (BAR) after receiving each of the different beans stored in the bean storage cell 161 and mixing them at a set ratio. According to claim 1,
The green bean inserter 110,
a pickup device 111 including a hook 111a rotatable by an actuator to penetrate and hang the bag containing the green coffee beans;
a sack transporter 112 on which the pickup device 111 is mounted and moves along the rail by motor driving to transport the sack BAG;
a cutting device 113 for cutting the lower portion of the sack (BAG) being transported by the sack feeder 112 with a cutting blade mounted on the rotating shaft;
a locking rod 114 installed adjacent to the cutting device 113 and installed to contact the bag BAG from a lower side of the cut bag BAG;
a reciprocating device 115 that shakes the incised sack (BAG) through the locking rod 114 as it reciprocates back and forth in a state connected to the locking rod 114; and
and a green bean collection hopper (116) installed under the hanging rod (114) and collecting green beans dropped from the bag (BAG). According to claim 1,
The foreign material sorter 120,
a size selector 121 for separating green coffee beans of different sizes from foreign substances using a sieve 121a having a plurality of holes of a set diameter penetrated therethrough;
The electromagnet 122a, which rotates around the origin, generates magnetic force in the region through which green coffee beans pass to adsorb metal foreign substances, and in other regions, removes the magnetic force to discharge the adsorbed metal foreign substances; ;
The specific gravity selector 123 receives vibration from the vibrator 123a and vibrates, and only foreign substances having a higher specific gravity than the green beans are transported upward by vibration by the conveying table 123b installed inclined downward in the direction in which the green coffee beans are discharged. ; and
A vision selector 124 that inspects any one or more of the color and contrast of the falling green beans to read whether it is out of the set range, and ejects air toward the defective beans out of the set range; Systematic coffee processing plant featuring. According to claim 1,
The green bean storage 130 is
and a pre-blending mixer (BBR) for receiving different green coffee beans from the green coffee storage cells (131) storing the different types of green coffee beans and mixing them at a set ratio. According to claim 1,
The roaster (140, 150),
a first roaster 140 for roasting green coffee beans by applying hot air into the chamber into which the green coffee beans are put; and
and a second roaster (150) that heats the rotary drum into which the green beans are inserted by a flame, and applies hot air to the rotary drum to roast the green beans. 6. The method of claim 5,
The selective supply (SEL) is,
Systematic coffee, characterized in that the green coffee beans are fed into either the first roaster 140 or the second roaster 150 according to a classification determined by adding up evaluation scores for each size, density, and moisture content of green coffee beans processing plant. 7. The method of claim 6,
The first roaster 140 includes a first cooler 143 for cooling the heated green beans,
The second roaster 150 includes a second cooler 156 for cooling the heated green coffee beans,
The first cooler 143 blows cooling air from the lower part of the screen on which the heated green beans are placed to the upper part,
The second cooler (156) is a systemmatic coffee processing plant, characterized in that it blows cooling air from the top to the bottom of the screen on which the heated green beans are placed. According to claim 1,
The by-product processor,
an after-burner (AF-B) for removing smoke generated during roasting of green beans in the roaster (140, 150) by heat; and
and a chaff processor for collecting and discharging chaff generated during the roasting of green beans in the roaster (140, 150). 9. The method according to any one of claims 1 to 8,
a green bean transfer machine 180 for transferring the green beans and a coffee bean transfer machine 190 for transferring the coffee beans;
The green coffee transfer machine 180,
a green coffee transfer pipe 181 providing a passage through which green coffee beans are transferred between the apparatus and the apparatus; and an air injector that applies high-pressure air into the green coffee transfer tube to push out the green coffee beans.
The bean transfer machine 190,
a bean transfer pipe 191 providing a path through which coffee beans are transferred between the apparatus and the apparatus; a conveyor pusher 192 for pushing and moving the coffee beans, which are installed spaced apart from each other along the inside of the bean transfer pipe 191; and an actuator (193) for moving the conveyor pusher (192) along the bean transfer pipe (191).

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