KR102409511B1 - Drying apparatus using far infrared rays and microwave - Google Patents

Abstract

The present invention provides a drying apparatus using microwaves and far-infrared rays capable of improving drying efficiency and drying speed, an input unit into which an object to be dried is put, a discharge part through which the object to be dried is discharged, and between the input unit and the discharge unit a conveyor including two conveyor rollers and a conveyor belt wound around the two conveyor rollers, a first microwave drying unit adjacent to the input unit and adjacent to the conveyor; and a second microwave drying unit disposed adjacent to the conveyor, a third microwave drying unit disposed between the first microwave drying unit and the second microwave drying unit, a first microwave drying unit, and the second microwave drying unit Microwave and far-infrared rays comprising a far-infrared drying unit disposed between the drying unit and the third microwave drying unit, and a blow drying unit adjacent to any one of the conveyors, and having a plurality of nozzles and a supply pipe to which the plurality of nozzles are connected. A drying device is provided.

Description

Drying apparatus using far infrared rays and microwave

The present invention relates to a drying apparatus using microwaves and far-infrared rays, and more particularly, to a drying apparatus using microwaves and far-infrared rays capable of improving drying efficiency and drying speed.

In general, methods of drying harvested agricultural and fishery products or food include a conventional method (natural drying) and a method using fossil fuels such as oil. The conventional method is a method of drying in a natural state exposed to sunlight, and has the advantage of being able to receive a high price due to excellent drying quality of agricultural and fishery products, but it has a long drying time, difficulty in quality control, and restrictions in terms of climate and space utilization. It has the disadvantage of receiving

The drying method using fossil fuels such as oil is the most widely used and widely used method of drying by generating hot air with heat generated by burning fuel. As the product is exposed to high temperature for a long time and the quality deteriorates, it is difficult to produce high-quality products.

On the other hand, far-infrared rays are radiant energy emitted from ceramic materials, etc., and are radiated when heated by other heat sources. Therefore, the far-infrared radiation ceramic is coated or molded on the heat-resistant material surface in plate, tube, lamp, or coated form according to various heat treatment characteristics, and the far-infrared radiation is radiated and used for drying by heating the far-infrared radiation ceramic using electricity or other fuel. have characteristics that can be

However, the conventional drying apparatus has a problem of low drying efficiency by using one drying method.

The present invention is intended to solve various problems including the above problems, and it is possible to provide a drying apparatus using microwaves and far-infrared rays capable of improving drying efficiency and drying speed. However, these problems are exemplary, and the scope of the present invention is not limited thereto.

According to one aspect of the present invention, an input unit into which an object to be dried is put, a discharge unit through which the object to be dried is discharged, and located between the input unit and the discharge unit, two conveyor rollers and the two conveyor rollers are provided. a conveyor comprising a winding conveyor belt; a first microwave dryer adjacent to the input section and disposed adjacent to the conveyor; a second microwave dryer adjacent to the outlet section and disposed adjacent to the conveyor; , a third microwave drying unit disposed between the first microwave drying unit and the second microwave drying unit, and far-infrared drying disposed between the first microwave drying unit, the second microwave drying unit and the third microwave drying unit There is provided a drying apparatus using microwaves and far-infrared rays adjacent to any one of a unit and the conveyor, and including a blow dryer having a plurality of nozzles and a supply pipe to which the plurality of nozzles are connected.

The conveyor may have multiple layers, the first microwave drying unit may be adjacent to an uppermost layer among the multi-layered conveyors, and the third microwave drying unit may be adjacent to a lowermost layer among the multi-layered conveyors.

The plurality of nozzles may be disposed between the plurality of conveyor belts to spray room temperature air or hot air upward.

The conveyor is made of a multi-layer, disposed between the plurality of conveyors, may further include a switching unit for turning the object to be dried.

The diverting portion may include a diverting roller positioned adjacent to the conveyor roller but outside the conveyor belt.

The conversion roller is made of two, and may be located below the conveyor roller.

According to an embodiment of the present invention made as described above, it is possible to implement a drying apparatus using microwaves and far-infrared rays capable of improving drying efficiency and drying speed. Of course, the scope of the present invention is not limited by these effects.

1 is a side cross-sectional view schematically showing a drying apparatus using microwaves and far-infrared rays according to an embodiment of the present invention.
2 is a cross-sectional view schematically showing a part of a drying apparatus using microwaves and far-infrared rays according to an embodiment of the present invention.
3 is a side cross-sectional view schematically showing a drying apparatus using microwaves and far-infrared rays according to another embodiment of the present invention.
4 is a cross-sectional view schematically showing a part of a drying apparatus using microwaves and far-infrared rays according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms. It is provided to fully inform the In addition, in the drawings for convenience of description, the size of the components may be exaggerated or reduced.

In the following examples, the to-be-dried product may be agricultural and livestock products and/or food. However, the object to be built is not limited thereto. For example, a drying device using microwaves and far-infrared rays can be used for drying and heating in the production process of industrial products.

1 is a cross-sectional view schematically illustrating a drying apparatus using microwaves and far-infrared rays according to an embodiment of the present invention. 2 is a cross-sectional view schematically illustrating a part of a drying apparatus using microwaves and far-infrared rays according to an embodiment of the present invention. And FIG. 3 is a cross-sectional view schematically showing a drying apparatus using microwaves and far-infrared rays according to another embodiment of the present invention.

The drying apparatus using microwaves and far-infrared rays according to this embodiment includes an input unit 20 , a discharge unit 30 , a conveyor 40 , a first microwave drying unit 51 , a second microwave drying unit 52 , and a third It may include a microwave drying unit 53 , a far-infrared drying unit 70 , and a blow drying unit 80 . In addition, the drying apparatus using microwaves and far infrared rays may include a drying chamber 10 in which the to-be-dried object 1 is dried. Here, the drying chamber 10 may be in the form of a housing. Of course, the present invention is not limited thereto, and the drying chamber 10 may have various modifications such as a frame shape.

Referring to FIGS. 1 and 3 , the input unit 20 may receive the object 1 to be dried. For example, the input unit 20 is formed in the upper portion of the drying chamber 10, it may be composed of a hopper with a wide inlet.

The discharge unit 30 may discharge the object 1 to be dried. Specifically, the discharge unit 30 may discharge the dried object 1 to the outside of the building. For example, the discharge unit 30 may be formed at a lower portion of the drying chamber 10 .

The conveyor 40 is positioned between the input unit 20 and the discharge unit 30 , and may transport the object 1 to be dried from the inlet port to the outlet port. The conveyor 40 may include at least two conveyor rollers 41 and a conveyor belt 43 coupled thereto. And the conveyor 40 may further include a driving unit (not shown) such as a motor.

Specifically, the two conveyor rollers 41 may be disposed to be spaced apart from each other. In addition, the conveyor belt 43 may wind the two conveyor rollers 41 . Accordingly, the object 1 to be dried may be seated on the conveyor belt 43 . And, as the conveyor roller 41 rotates, the conveyor belt 43 rotates to transport the object 1 to be dried. In this case, rollers may be additionally disposed between the conveyor rollers 41 in order to prevent the conveyor belt 43 from sagging. And the conveyor belt 43 may be a mesh-type belt.

For example, as shown in FIG. 1 , the conveyor 40 may consist of one and may be disposed long in the front-rear direction. Alternatively, different from the drawings, the conveyor 40 may be formed in plurality and arranged in a line in the front-rear direction.

As another example, the conveyor 40 may be formed of multiple layers as shown in FIG. 3 . In this case, the conveyors are stacked up and down, and may be spaced apart from each other by a predetermined distance. In this case, the to-be-built object 1 can use the space efficiently by making the transfer path zigzag.

1 and 3, the drying apparatus using microwaves and far infrared rays according to the present embodiment includes a first microwave drying unit 51, a second microwave drying unit 52, and a third microwave drying unit 53 and far infrared rays. A drying unit 70 may be included. At this time, the first microwave drying unit 51 , the far-infrared drying unit 70 , the third microwave drying unit 53 , the far-infrared drying unit 70 , and the second microwave drying unit 52 in the order of the moving direction of the conveyor 40 . may be arranged in order. In addition, depending on the conditions of the object to be dried, the first macro wave drying unit 51, the second macro wave drying unit 52 and the third microwave drying unit 53 are each excluded from the drying line arrangement, and the two microwave drying units are combined. may be disposed, and a microwave drying unit may be disposed independently of each other.

The first microwave drying unit 51 may be disposed adjacent to the input unit 20 and adjacent to the conveyor 40 . For example, the first microwave drying unit 51 may be located above the conveyor 40 . Of course, the present invention is not limited thereto, and the first microwave drying unit 51 may be located between the conveyor belts 43 or below the conveyor 40 .

The second microwave drying unit 52 may be disposed adjacent to the discharge unit 30 and adjacent to the conveyor 40 . For example, the second microwave drying unit 52 may be located above the conveyor 40 . Of course, the present invention is not limited thereto, and the second microwave drying unit 52 may be located between the conveyor belts 43 or below the conveyor 40 . Here, when the conveyor 40 is formed of multiple layers as shown in FIG. 3 , the conveyor 40 adjacent to the second microwave dryer 52 may be the same as the conveyor 40 adjacent to the first microwave dryer 51 . It may or may not be different.

The third microwave drying unit 53 may be disposed between the first microwave drying unit 51 and the second microwave drying unit 52 . Also, the third microwave drying unit 53 may be disposed adjacent to the conveyor 40 . For example, the third microwave drying unit 53 may be located above the conveyor 40 . Of course, the present invention is not limited thereto, and the third microwave drying unit 53 may be located between the conveyor belts 43 or below the conveyor 40 . Here, when the conveyor 40 is formed of multiple layers as shown in FIG. 3 , the conveyor 40 to which the third microwave drying unit 53 is adjacent is connected to any one conveyor 40 to which the first microwave drying unit 51 is adjacent. It may be the same or it may be different. Alternatively, the conveyor 40 adjacent to the third microwave dryer 53 may be the same as or different from the conveyor 40 adjacent to the second microwave dryer 52 .

The first microwave drying unit 51, the second microwave drying unit 52, and the third microwave drying unit 53 each include a magnetron and vibrate the water molecules contained in the drying object 1 to make the drying object ( 1) can be dried. Since the configuration for supplying electric energy to the magnetron is general, a description thereof will be omitted.

The far-infrared drying unit 70 may dry the to-be-dried object 1 by emitting far-infrared rays to the to-be-dried object 1 . The far-infrared drying unit 70 may include anything capable of emitting far-infrared rays.

And the far-infrared drying unit 70 may be disposed adjacent to the conveyor (40). For example, the far-infrared drying unit 70 may be located above the conveyor 40 . Of course, the present invention is not limited thereto, and the far-infrared drying unit 70 may be located between the conveyor belts 43 or below the conveyor 40 . Here, when the conveyor 40 is formed of multiple layers as shown in FIG. 3 , any one conveyor 40 adjacent to the far-infrared drying unit 70 has a first microwave drying unit 51 to a third microwave drying unit 53 . It may be the same as or different from the adjacent conveyor 40 .

In addition, the far-infrared drying unit 70 may be disposed between the first microwave drying unit 51 , the second microwave drying unit 70 , and the third microwave drying unit 52 .

For example, as shown in FIG. 1 , when the plurality of conveyors 40 are made of a single layer, the first microwave drying unit 51 , the far-infrared drying unit 70 , and the third microwave drying unit 53 are arranged in this order can be In addition, the third microwave drying unit 53 , the far infrared ray drying unit 70 , and the second microwave drying unit 52 may be disposed in this order. Therefore, the to-be-dried object 1 passes in the order of the first microwave drying unit 51 , the far-infrared drying unit 70 , the third microwave drying unit 53 , the far-infrared drying unit 70 , and the second microwave drying unit 52 . can do.

In this case, the first microwave drying unit 51 may be located at the front end of the single-layer conveyor 40 . The third microwave drying unit 53 may be disposed in the middle of the single-layer conveyor 40 . In addition, the second microwave drying unit 52 may be disposed at the end of the single-layer conveyor 40 . The far infrared ray drying unit 70 may be disposed between the first to third microwave drying units 51 , 52 , 53 .

As another example, as shown in FIG. 3 , when the conveyor 40 is formed of multiple layers, the first microwave drying unit 51 may be disposed on the uppermost layer of the multi-layered conveyor 40 . The third microwave drying unit 53 may be disposed in an intermediate layer of the multi-layered conveyor 40 . In addition, the second microwave dryer 52 may be disposed on the lowermost layer of the multi-layered conveyor 40 . The far-infrared dryer 70 is disposed between the first to third microwave dryers 51 , 52 and 53 . can be

That is, the object 1 to be dried is firstly pre-dried and branched using the first microwave drying unit 51, and then heated and dried in the far-infrared drying unit 70 secondarily, and then thirdly It may be heated and dried in the third microwave drying unit 53 , and fourthly again through the far-infrared drying unit 70 , and finally finish drying in the second microwave drying unit 52 .

On the other hand, the blow drying unit 80 may dry the object 1 by spraying room temperature air or hot air toward the object 1 to be dried. Specifically, the blow dryer 80 may include a plurality of nozzles 81 for spraying room temperature air or hot air toward the object 1 to be dried, and a supply pipe 83 to which the plurality of nozzles 81 are connected. And the blow dryer 80 may include a blower heater (not shown), a blower 85, etc. for supplying room temperature air or hot air. A blower heater (not shown) may be used to recover waste heat discharged from a far-infrared and microwave dryer, or an independent heater may be used.

2 is a cross-sectional view schematically illustrating the blow dryer 80 . The position of the blow dryer 80) will be described with reference to FIGS. 1 and 2 .

The blow dryer 80 may be adjacent to any one of the conveyors 40 . For example, the blow dryer 80 may be located on the conveyor 40 so as not to interfere with the first to third microwave dryers 51 , 52 , 53 and the far-infrared dryer 70 . Specifically, a part of the conveyor belt 43 may be disposed at an upper portion of the plurality of nozzles 81 , and another part of the conveyor belt 43 may be disposed at a lower portion thereof. That is, the plurality of nozzles 81 may be disposed between the conveyor belts 43 . And the plurality of nozzles 81 may spray room temperature air or hot air upward. At this time, since the conveyor belt 43 has a mesh shape, room temperature air or hot air sprayed from the nozzle 81 may pass through the conveyor belt 43 to dry the object 1 to be dried.

And the plurality of nozzles 81 may be coupled to the supply pipe (83). Specifically, the plurality of nozzles 81 may be coupled to both sides of the supply pipe 83 such that the injection port faces upward.

The supply pipe 83 is a pipe extending in one direction and may be located below the conveyor 40 . In addition, a plurality of supply pipes 83 disposed below one conveyor 40 may be disposed over the entire area of the conveyor 40 . This supply pipe 83 may be connected to the blower 85 for supplying hot air.

4 is a cross-sectional view schematically showing a drying apparatus using microwaves and far-infrared rays according to another embodiment of the present invention. The drying apparatus using microwaves and far-infrared rays according to this embodiment is the same as or similar to the drying apparatus according to the above-described embodiment. Therefore, the overlapping description will be omitted. The drying apparatus using microwaves and far-infrared rays according to the present embodiment has a conveyor 40 in multiple layers, and may further include a conversion unit 90 .

The conversion unit 90 may turn over the object 1 to be dried. To this end, the switching unit 90 may be disposed between the plurality of conveyors 40 . This diverting unit 90 may include a diverting roller.

For example, referring to FIG. 4A , a changeover roller may be disposed between one conveyor 40 and another conveyor 40 adjacent thereto. The conveyor 40 may be vertically spaced apart. In addition, the conversion roller may be adjacent to the conveyor roller 41 , and may be disposed in a direction in which the object 1 to be dried is transported. Specifically, the switching roller may be adjacent to the conveyor roller 41 disposed above, and located above the conveyor 40 disposed below. Accordingly, as the switching roller rotates, the to-be-dried object 1 transferred from above may be turned over by the switching roller and placed on the conveyor 40 disposed below. At this time, the switching roller and the conveyor roller 41 may rotate in opposite directions. That is, when the switching roller rotates clockwise, the conveyor roller 41 can rotate counterclockwise. At this time, the rotation speed of the switching roller may be faster than the rotation speed of the conveyor roller 41 in order to smoothly turn over the object 1 to be dried.

As another example, referring to FIG. 4B , the conversion roller is made of two and may be located below the conveyor roller 41 . At this time, the two conversion rollers rotate in opposite directions, and the rotation speed of the conversion roller located outside may be higher.

Therefore, after the upper surface of the object 1 to be dried is dried, the lower surface is positioned upward by the switching unit 90 and dried, so that it can be dried uniformly.

On the other hand, the drying apparatus may include an auxiliary conveyor (47). The auxiliary conveyor 47 is disposed outside the conveyor 40 and may be inclined downward. Accordingly, the switching unit 90 can more smoothly turn over the object 1 to be dried.

Although the present invention has been described with reference to the embodiments shown in the drawings, which are merely exemplary, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

1: object to be built 10: drying room
20: input unit 30: discharge unit
40: conveyor 41: conveyor roller
43: conveyor belt 47: auxiliary conveyor
51: first microwave drying unit 52: second microwave drying unit
53: third microwave drying unit 70: far infrared drying unit
80: blow dryer 81: nozzle
83: supply pipe 85: blower
90: transition part

Claims (6)

an input unit into which the object to be dried is put;
a discharge unit through which the to-be-dried object is discharged;
a conveyor positioned between the input unit and the discharge unit, the conveyor including two conveyor rollers and a conveyor belt having a mesh structure for winding the two conveyor rollers;
a first microwave drying unit adjacent to the input unit and disposed adjacent to the conveyor;
a second microwave drying unit adjacent to the discharge unit and disposed adjacent to the conveyor;
a third microwave drying unit disposed between the first microwave drying unit and the second microwave drying unit;
a far-infrared drying unit disposed between the first microwave drying unit, the second microwave drying unit, and the third microwave drying unit, respectively; and
Adjacent to any one of the conveyors, comprising a blow dryer having a plurality of nozzles and a supply pipe to which the plurality of nozzles are connected,
A plurality of nozzles of the blow dryer are disposed in a space between an upper conveyor belt and a lower conveyor belt, and the plurality of nozzles are a drying device for spraying and transferring hot or hot air upwards toward the upper conveyor belt,
The conveyor consists of multiple layers,
The drying device further comprises a diverting unit disposed between the multi-layered conveyors to turn the object to be dried, wherein the diverting unit includes a diverting roller adjacent to the conveyor roller but located outside the conveyor belt. and a drying device using far-infrared rays. The method of claim 1,
The first microwave drying unit is adjacent to the uppermost layer of the multi-layer conveyor,
The second microwave drying unit is adjacent to the lowermost layer of the multi-layered conveyor, a drying device using microwaves and far-infrared rays. delete delete delete The method of claim 1,
The conversion roller is made of two, and is located below the conveyor roller, a drying device using microwaves and far infrared rays.

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