KR20150000799A - Manufacturing device of coffe waste - Google Patents

Abstract

In the present invention, provided is a device for processing coffee waste to process coffee waste into a particle size applied for structures at an affordable price. To this end, the device for processing coffee waste to process coffee waste comprises a preparing tank in which water is added to the coffee waste and then is mixed; a first mixing tank which temporarily stores the mixed coffee waste injected from the preparing tank; a first mill device which reduces average diameter of particles by processing the coffee waste from the first mixing tank; a second mixing tank which temporarily stores the coffee waste discharged from the first mill device; a second mill device which reduces average diameter of particles by processing the coffee waste from the second mixing tank; a dehydrating device which dehydrates the coffee waste discharged from the second mill device; a drying device which dries the dehydrated coffee waste from the dehydrating device; a storage tank which stores the dried coffee waste from the drying device; and a controlling device which controls the operation of the first mill device, the second mill device, the dehydrating device and the drying device.

Description

[0001] The present invention relates to a manufacturing device for coffe waste,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee waste processing apparatus, and more particularly, to a coffee waste processing apparatus that appropriately processes coffee waste as a mixture of other structures.

Coffee wastes are processed by processing coffee beans and are meant to be leftover products and must be disposed of separately. Especially in recent years, the rapid expansion of the coffee bean market has generated a large amount of coffee waste, which is costly.

The above-mentioned coffee waste can also be recycled through proper processing, and in particular, methods that can be used as fuel have been proposed.

For example, EP-A-1033212 discloses a process for making coffee bean pellet fuel. The patent discloses a process for producing a coffee bean powder comprising the steps of providing a coffee ground powder, introducing the coffee ground powder into an acid solution, removing the acid treated coagulated protein, washing the coffee ground powder with the protein removed, , A step of mixing the dried coffee ground powder with sawdust and quicklime to obtain a pellet mixed powder, and a step of producing pellets of the mixed powder, wherein coffee production It is possible to produce pellet fuel satisfying the quality of grade 2 or less of wood pellets while using a coffee bean as a waste, and it is also possible to provide an environmentally friendly fuel while enhancing resource recyclability.

In addition, Patent No. 1176969 relates to a method for producing coffee ground activated carbon, which suggests a method for recycling coffee beans treated with waste to recycle them as activated carbon.

In addition, Patent Publication No. 2011-0138495 relates to a polylactic acid biocomposite material in which coffee by-products and recycled bamboo charcoal are recycled. Specifically, polylactic acid biodegradable polymer powder, coffee by-product powder and MDI (4,4- Methylene diphenyl diisocyanate) is mixed and formed, and regenerated bamboo charcoal powder can be further included. The biocomposite material according to the present invention can be used as a substitute for natural fillers and adsorbents, It is possible to achieve the recycling of waste natural resources and the smooth supply and supply of raw materials and price competitiveness.

On the other hand, in the case of a synthetic resin structure, a method of reducing the weight while maintaining the same rigidity by mixing a certain amount of the above-mentioned coffee waste in order to make it lighter has been proposed and actively applied for automobiles has been studied.

In order to mix coffee wastes with the above-mentioned structure, it is necessary to make fine particles of general coffee wastes fine and to keep the water content below a certain level, but they can be mixed into the structure. However, There is a limit to practical application due to a high cost.

It is an object of the present invention to provide a coffee waste processing apparatus capable of processing a coffee waste into a particle size that can be applied to a structure at a relatively low cost in order to overcome the disadvantages of the prior art.

In order to achieve the above object, the present invention provides a coffee waste processing apparatus for processing coffee waste, comprising: a preparation tank for adding and mixing water to coffee waste; A first mixing tank in which coffee waste mixed in the preparation tank is charged and temporarily stored; A first mill device for processing the coffee waste of the first mixing tank to reduce the average particle size; A second mixing tank in which coffee waste discharged from the first mill device is temporarily stored; A second mill device for processing the coffee waste of the second mixing tank to reduce the average particle size; A dewatering device for dewatering the coffee waste discharged from the second mill device to lower the water content; A drying device for drying the dehydrated coffee waste in the dehydrating device; A storage tank for storing the dried coffee waste in the drying apparatus; And a control device for controlling operations of the first mill device, the second mill device, the dewatering device, and the drying device.

Preferably, the average particle diameter of the coffee waste transferred from the first mill apparatus to the second mixing tank is 50 to 60 mu m.

Preferably, the average particle diameter of the coffee waste transferred from the second mill apparatus to the dewatering apparatus is 25 to 35 mu m.

Preferably, the moisture content of the coffee waste discharged from the drying apparatus is 8 to 12%.

Preferably, the outlet of the first mill device and the inlet of the first mixing tank are connected to each other by a first delivery pipe, and a delivery valve is provided to the delivery pipe and a first valve for controlling the opening and closing of the pipe, And the first bypass pipe is connected to the first mixing tank and the outlet of the second mill device is connected to the second delivery pipe, The second delivery pipe is connected to the pump feeder, the pump feeder is connected to the dewatering device, and the second delivery pipe is provided with a second valve for controlling the opening and closing of the pipe, And the second bypass pipe is connected to the second mixing tank by branching from the second delivery pipe and connecting the second bypass pipe to the second mixing pipe.

More preferably, the control device activates the first valve for a predefined period of time to close the first delivery tube and actuates the first milling device so that the coffee waste flows into the first mixing tank, The control device circulates the second delivery valve by actuating the second valve for another predefined time, and operates the second milling device, And the coffee waste is circulated in the order of the second mixing tank, the second mill device, and the second bypass pipe.

Preferably, the first mill device comprises: A case having an inlet at the top and an outlet at the side; A first fixed region having a tapered tapered shape with a diameter increasing in a downward direction, a second fixed region having a groove formed in a direction opposite to the first fixed region, a second fixed region formed in a direction opposite to the second fixed region, A stator including a third fixed region having a groove formed therein; A first rotating region facing the stator with a predetermined clearance and corresponding to the first fixed region and having a groove formed in a direction opposite to the first fixed region grooves, a second fixed region corresponding to the second fixed region, A second rotating region having a groove formed in a direction opposite to the groove of the region, and a third rotating region corresponding to the third fixing region and having a groove formed in a direction opposite to the groove of the third fixing region; And a motor for rotating the rotor.

Advantageously, said second mill device comprises: A case having an inlet at the top and an outlet at the side; A stator including a first fixed polishing area having a diamond-coated tapered shape with a diameter increasing in a downward direction, and a second fixedly drawn area covered with a diamond coating; A rotor opposed to the stator at a constant gap and including a fluid suction portion for providing a fluid movement force, a first rotating polishing region having a diamond coating treatment, and a second rotating polishing region having a diamond coating treatment; And a motor for rotating the rotor.

Preferably, the apparatus further comprises a crusher for crushing the dried coffee waste in the drying apparatus and discharging the coffee waste to the storage tank.

The coffee waste processing apparatus according to the present invention can be operated by arranging two milling apparatuses so that coffee waste can be processed into particles of a specific size at a relatively low processing cost and can be dried at a desired moisture content by a subsequent drying means And furthermore, it is advantageous to continuously process coffee wastes by one line, and it is advantageous to automate the entire apparatus when it is installed near the structure production line.

1 is a configuration diagram of a coffee waste processing apparatus according to the present invention,
Fig. 2 is a connection diagram of the milling devices shown in Fig. 1,
Figure 3 is a perspective view of the first mill apparatus of Figure 1,
4 is a cross-sectional view of Fig. 3,
Fig. 5 is a cross-sectional view of the second mill apparatus shown in Fig. 1,
6 is a configuration diagram of the control apparatus of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1, a coffee waste processing apparatus 100 according to the present invention includes a preparation tank 10, a first screw conveyor 11, a first mixing tank 20, a first mill device 30, The second mixing tank 40, the second mill device 50, the pump feeder 12, the dewatering device 60, the drying device 70, the second screw conveyor 13, the crushing device 80, A tank 85, and a control device 90. As shown in Fig.

First, the preparation tank 10 serves to store coffee waste mixed with water, and has the same structure as a normal tank.

Mixing devices for smooth mixing of the inner coffee waste and water may be included if necessary, and also devices for automatically supplying coffee waste and water may be included.

The water content of the coffee waste can be controlled by the addition of water, and the water content of the coffee waste in the preparation tank 10 is 80 to 90 %, And the milling devices described below operate efficiently in the above water content range.

Here, the average particle size is important in order to apply the coffee waste to the structure of the structure, and the water content can be controlled through drying before the final use. Therefore, the coffee waste processing apparatus 100 according to the present invention mainly reduces the average particle diameter of the coffee waste, and appropriately controls the water content for processing the particle diameter.

The coffee waste in the preparation tank 10 is introduced into the upper portion of the first mixing tank 20 through the first screw conveyor 11. [

The first screw conveyor 11 is a conventional screw type conveyor and can determine its size and capacity according to the capacity of the entire machining apparatus 100. In the preparation tank 10, ) To transfer coffee waste.

Meanwhile, the first mixing tank 20 has a cylindrical shape as shown in FIG. 2 and a conical shape at its lower portion.

The coffee waste is introduced through the inlet 21 at the upper end of the first mixing tank 20 and flows out through the outlet 22 of the lower cone.

The first mixing tank 20 can be sized in consideration of the entire processing capacity.

The coffee waste flowing out through the outlet 22 flows into the inlet 31 of the first milling device 30 and the processed coffee waste inside the first milling device 30 flows out through the outlet 32 .

The outlet (32) is connected to the upper end of the second mixing tank (40) through a first transfer pipe (110).

The first transfer pipe 110 is connected to the first valve 120 and the transfer pump 130 and includes a first bypass pipe 140 branched before the first valve 120, The first bypass pipe 140 is connected to the first piping port 23 formed on the upper surface of the first mixing tank 20.

At this time, when the first valve 120 is shut off and the operation of the feed pump 130 is stopped, the coffee waste discharged through the outlet 32 of the first mill device 30 is again returned to the first mixing tank 20).

In this state, when the first mill apparatus 30 is operated, the coffee waste contained in the first mixing tank 20 is processed while circulating the first mixing tank 20 and the first mill apparatus 30 .

At this time, a first check valve 141 is installed in the first bypass pipe 140 to prevent reverse flow.

The coffee waste is introduced into the inlet (41) of the second mixing tank (40) through the first transfer pipe (110).

The first mixing tank 40 has the same shape as the first mixing tank 20 and includes an outlet 42 at the lower part thereof.

The outlet 42 is connected to the inlet 51 of the second milling device 50 and the outlet 52 of the second milling device 50 is connected to the second conveying pipe 150, A second valve 160 is connected to the transfer pipe 150 and a second screw conveyor 12 is connected to the second valve 160.

The second bypass pipe 170 is connected to the bypass pipe 43 formed on the side of the second storage tank 40 in the second transfer pipe 150 before the second valve 160, And a second check valve 171 is attached to the second bypass pipe 170 to prevent reverse flow.

Thus, when the second valve 160 is closed and the second milling device 50 is operated, the coffee waste flows through the second mixing tank 40, the second milling device 50, and the second bypass pipe 170, The coffee waste is recycled in order.

The second milling device 50 and the pump feeder 12 are preferably controlled to act as if the valve 120 is open and the feed pump 130 is operating.

On the other hand, the first and second milling devices 30 and 50 have a basic function of reducing the average grain size of the coffee wastes, but show different structures.

Particularly, the first mill apparatus 30 is configured to process coffee wastes having a particle diameter of 200 to 400 탆 into 50 to 60 탆, and is processed by circulation with the first mixing tank 20, Performs the function of processing the coffee waste having a size of 50 to 60 mu m to 25 to 35 mu m while circulating the coffee waste with the second mixing tank 40 as well.

3 and 4, the first milling device 30 includes a case 310, a tapered space fixed inside the case 310, and a tapered space having a diameter increasing in a downward direction And a rotor 330 having the same shape as the space of the stator 320 and disposed at a predetermined gap in the stator 320.

The rotor 330 is formed at a lower end of the first rotation area 331 and has a first rotation area 331 formed in an inclined shape of the groove, And a third rotation area 333 in which a groove in the opposite direction is formed at the lower end of the first rotation area 332. [

The stator 320 includes a first stationary area 321, a second stationary area 322 and a third stationary area 323 which are opposite to the grooves of the rotor 330.

An inlet port 31 is formed at an upper end of the case 310 and an outlet port 32 is formed at a side surface of the case 310.

Here, the rotor 330 is rotated by a separate motor, and the coffee waste is processed by the rotation of the rotor 330 while flowing as shown in FIG.

The clearance is 0.4-0.5 mm, and the number of rotations of the rotor 330 is suitably 2500-5000 rpm.

3, the inner structure of the first mill device 50 includes a case 510, an inner case 510, a second case 500, A stator 520 fixed to the stator 520 and configured to increase in diameter in the lower direction, and a rotor 530 disposed inside the stator 520 with a predetermined gap therebetween.

The case 510 includes an inlet 51 formed at an upper end of the case 510 and an outlet 52 formed at a side of the case 510. The coffee waste flowing through the inlet 51 flows through the rotor 530, And the stator 520, and then is discharged through the outlet 52.

The stator 520 includes a first fixed polishing area 521 coated with diamond powder of 40-80 mesh and a first fixed polishing area 521 coated with diamond powder of 60-140 mesh, And a second fixed polishing area 522 provided under the first fixed polishing area 521.

The rotor 530 may include a fluid suction part 531 having a plurality of grooves sloped to maintain a gap of 0.05 mm to 0.3 mm from the stator 520 and sucking fluid flowing into the fluid inlet by a rotational force, A first rotating abrasive area 532 having a coating of diamond powder of 40-80 mesh on the lower part of the fluid suction part, and a second rotating abrasive area 532 having a coating of diamond powder of 60-140 mesh, And a second rotary polishing region 533 provided under the portion 532.

In this case, the first fixed polishing area 521 corresponds to the first rotating polishing area 532, the second fixed drawing area 522 corresponds to the second rotating polishing area 533, So as to be positionally matched.

The number of rotations of the rotor 530 of the second milling unit 50 is in the same range as that of the first milling unit 30. [

As described above, the first mill apparatus 30 processes the particles of the coffee waste through repetitive processing over a predetermined time, and the second mill apparatus 50 also processes the coffee waste particles through repetitive processing for a predetermined time do.

However, if necessary, it may be replaced by other milling machines which can be machined to an average grain size condition of the coffee waste.

On the other hand, the pump feeder 12 connected to the outlet 52 of the second mill device 50 transfers the coffee waste to the dewatering device 60.

The dewatering device 60 may be any type of dewatering device such as felt or rotary type, and controls the moisture content of the coffee waste through the dewatering device 60 to 50 to 60%.

Of course, it is advantageous to dewater the water content to a lower level, but the water content that can be reached through the dewatering device 60 is appropriate in the above range.

The dehydrated coffee waste through the dewatering device (60) is introduced into the drying device (80). The drying device 80 may be implemented by a method of heating with a conventional heat source or a method using microwaves. However, the method using a microwave is advantageous in that it is convenient to use.

The drying device 80 dries the water content of the coffee waste to 8 to 12%.

The coffee waste dried in the drying device (80) is transferred to the pulverizing device (80) by the second screw conveyor (13).

The pulverizing apparatus 80 serves as a pulverizer for homogenizing the coagulated wastes without further processing the coffee waste, and is implemented using a general pulverizer functioning as described above.

That is, the average particle diameter of the coffee waste having passed through the pulverizer 80 is not changed, and the pulverizer 80 can be omitted if not necessary.

The coffee waste having passed through the pulverizer 80 has relatively uniform characteristics with an average particle diameter of 25 to 35 mu m at a moisture content of 8 to 12% and is finally stored in the storage tank 85. [

The coffee waste stored in the storage tank 85 can be continuously transferred to another process, if necessary, and transferred to the batch, if necessary.

6, the control device 90 includes a first screw conveyor 11, a pump conveyor 12 (not shown) A second valve device 160, a second mill device 50, a dewatering device 60 (not shown), a second screw conveyor 13, a first valve 120, a transfer pump 130, ), The drying apparatus 70, and the pulverizing apparatus 80, as shown in Fig.

In particular, the first mixing tank 20 includes a separate first water level sensor 27, the signal of the first water level sensor 27 is output to the control device 90, and the second mixing tank 40 And a signal of the second water level sensor 47 is output to the control device 90. The second water level sensor 47 includes a second water level sensor 47,

In particular, the operation of the first screw device 11, the water level sensor 27, the first mill device 30, the valve 120, and the transfer pump 130 operates in conjunction with each other.

First, when the first water level sensor 27 is less than a predetermined level, the control device 90 cuts off the first valve 120, stops the operation of the first mill device 30, ) Is also deactivated and operates the first screw device (11) to transfer the coffee waste to the first mixing tank (20).

The control device 90 stops the operation of the first screw device 11 and stops the operation of the first mill device 30 when the signal level of the first water level sensor 27 reaches a certain level. Only.

At this time, the coffee waste is continuously circulated in the order of the first mixing tank 20, the first mill device 30, and the first bypass pipe 140.

At this time, when the predetermined time (for example, 20 minutes, 30 minutes, 40 minutes or 1 hour) is reached by the user, the control device 90 stops the operation of the first mill device 30, The valve 120 and the transfer pump 130 are operated to transfer the coffee waste to the second mixing tank 40.

When the first level sensor 27 is below a predetermined level, the valve 120 and the transfer pump 130 are stopped, and the first screw device 11 is operated again to discharge the coffee waste to the first mixing tank (20), and the above process is repeated.

A second water level sensor 47 is attached to the second mixing tank 40 and is circulated and controlled in the same manner as the first mixing tank 20 and the first mixing device 30.

That is, when the coffee waste flows into the second mixing tank 40, the second valve 160 is shut off and the second mill apparatus 50 is operated.

At this time, the coffee waste is processed while circulating through the second mixing tank 40, the second mill apparatus 50, and the second bypass pipe 170.

When the predetermined time is reached, the second valve 160 is opened, the pump feeder 12 is operated to transfer the coffee waste to the dewatering device 60, and then the second water level sensor 47 is operated, The second valve 160 is shut off and the operation of the pump feeder 12 is stopped.

Thereafter, the above process is repeated.

At this time, the control device 90 can simultaneously control the operation of the dewatering device 60 and the devices after the dewatering device 60 simultaneously with the operation of the pump feeder 12.

In addition, when the circulation times of the first and second milling devices 30 and 50 are the same, it is preferable to realize the same circulation time since the coffee waste can proceed the entire process without congestion.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, And all of the various forms of embodiments that can be practiced without departing from the technical spirit.

10: Preparation tank 11: First screw conveyor
12: pump feeder 13: second screw conveyor
20: first mixing tank 21: inlet
22: outlet 30: first mill device
31: inlet 32: outlet
40: first mixing tank 41: inlet
42: outlet 50: second mill device
51: inlet 52: outlet
60: Dewatering device 70: Drying device
80: Grinding device 85: Storage tank
90: Control device 100: Coffee waste processing device
110: first transfer pipe 120: first valve
130: transfer pump 140: first bypass pipe
141: first check valve 150: second conveyance pipe
160: second valve 170: second bypass pipe
171: second check valve 310: case
320: stator 321: first fixed region
322: second fixed area 323: third fixed area
330: Rotor 331: First rotation area
332: second rotation area 333: third rotation area
510: Case 520: Stator
530: Rotor 531: Fluid suction part
521: first fixed polishing area 522: second fixed polishing area
531: Fluid suction part 532: First rotary polishing area
533: second rotary polishing region

Claims (9)

A coffee waste processing apparatus for processing coffee waste, comprising:
A preparation tank for adding and mixing water to the coffee waste;
A first mixing tank in which coffee waste mixed in the preparation tank is charged and temporarily stored;
A first mill device for processing the coffee waste of the first mixing tank to reduce the average particle size;
A second mixing tank in which coffee waste discharged from the first mill device is temporarily stored;
A second mill device for processing the coffee waste of the second mixing tank to reduce the average particle size;
A dewatering device for dewatering the coffee waste discharged from the second mill device to lower the water content;
A drying device for drying the dehydrated coffee waste in the dehydrating device;
A storage tank for storing the dried coffee waste in the drying apparatus; And
And a control device for controlling operations of the first mill device, the second mill device, the dewatering device, and the drying device.
The coffee waste processing apparatus according to claim 1, wherein the average particle size of the coffee waste transferred from the first mill apparatus to the second mixing tank is 50 to 60 μm.
The coffee waste processing apparatus according to claim 1, wherein an average particle diameter of the coffee waste transferred from the second mill apparatus to the dewatering apparatus is 25 to 35 μm.
The apparatus for processing coffee waste according to claim 1, wherein the water content of the coffee waste discharged from the drying apparatus is 8 to 12%.
[2] The apparatus according to claim 1, wherein the outlet of the first milling unit and the inlet of the first mixing tank are connected by a first delivery pipe, a first valve for controlling the opening and closing of the pipe and a delivery pump are installed in the delivery pipe, The first bypass pipe is connected to the first mixing tank, and the second bypass pipe is connected to the second bypass pipe,
The second feed pipe is connected to the pump feeder, the pump feeder is connected to the dewatering device, and the second feed pipe is controlled to open and close the pipe Wherein the second valve is connected to the second bypass pipe by branching from the second delivery pipe before the second valve and the second bypass pipe is connected to the second mixing tank. Processing equipment.
The system of claim 5, wherein the control device operates the first valve for a predefined time to close the first delivery tube and actuates the first milling device so that the coffee waste flows into the first mixing tank, Device, and the first bypass tube,
The control device operates the second valve for another predefined time to close the second delivery line and operates the second milling device so that the coffee waste flows into the second mixing tank, Wherein the control unit controls the circulation of the coffee waste in the order of the bypass pipe and the bypass pipe.
The apparatus of claim 1, wherein the first milling unit comprises:
A case having an inlet at the top and an outlet at the side;
A first fixed region having a tapered tapered shape with a diameter increasing in a downward direction, a second fixed region having a groove formed in a direction opposite to the first fixed region, a second fixed region formed in a direction opposite to the second fixed region, A stator including a third fixed region having a groove formed therein;
A first rotating region facing the stator with a predetermined clearance and corresponding to the first fixed region and having a groove formed in a direction opposite to the first fixed region grooves, a second fixed region corresponding to the second fixed region, A second rotating region having a groove formed in a direction opposite to the groove of the region, and a third rotating region corresponding to the third fixing region and having a groove formed in a direction opposite to the groove of the third fixing region; And
And a motor for rotating the rotor.
The apparatus of claim 1, wherein the second mill device comprises:
A case having an inlet at the top and an outlet at the side;
A stator including a first fixed polishing area having a diamond-coated tapered shape with a diameter increasing in a downward direction, and a second fixedly drawn area covered with a diamond coating;
A rotor opposed to the stator at a constant gap and including a fluid suction portion for providing a fluid movement force, a first rotating polishing region having a diamond coating treatment, and a second rotating polishing region having a diamond coating treatment; And
And a motor for rotating the rotor.
The apparatus for processing coffee waste according to claim 1, further comprising a crusher for crushing the dried coffee waste in the drying apparatus and discharging the coffee waste to the storage tank.

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