KR20230027631A - Apparatus for drying Ptecticus tenebrifer - Google Patents

Abstract

The present invention relates to a drying apparatus for black soldier flies, comprising: an input unit into which an object to be dried including larvae or pupae of black soldier flies is put; a conveying unit for conveying the object to be dried from one side to the other; a tunnel unit that surrounds the transfer unit from the outside; a drying unit which dries the object to be dried when the object to be dried is transported along the transfer unit; and a collecting unit provided on the other side of the conveying unit and collecting the dried object to be dried.

Description

Apparatus for drying Ptecticus tenebrifer {Apparatus for drying Ptecticus tenebrifer}

The present invention relates to a drying apparatus for black soldier flies, and more particularly, to a drying apparatus for drying an object to be dried uniformly, improving quality, and simplifying maintenance and repair of the apparatus.

Black soldier flies are insects belonging to the family of black soldier flies, and recently, a technology has been introduced to treat organic waste using black soldier flies and use them as feed for livestock or fish farming. Dongae, etc., eats and decomposes organic waste well, and is suitable for treating animal manure, livestock manure, human manure, and leftover food waste. In addition, Dongae etc. contains 42.1% of crude protein, 34.8% of fat, 7.0% of crude fiber, and 16.1% of ash, and contains more amino acids than soybean meal or bone meat meal, so it can be used as a feed or additive for fish farming. In order to use black soldier flies for such purposes, a drying process is essential, and uniform drying of black soldier flies is most important in order to improve the final feed quality.

Accordingly, the present invention intends to propose a drying apparatus capable of uniformly drying an object to be dried, such as larvae or pupae of black soldier flies.

The present invention has been created to solve the above-mentioned problems, and an object thereof is to provide a drying device for Dongae, etc., which uniformly dries an object to be dried to improve quality and makes maintenance and repair of the device simple.

In order to achieve the above object, a drying apparatus for black soldier flies according to an embodiment of the present invention includes: an input unit into which an object to be dried including larvae or pupae of black soldier flies is put; a conveying unit for conveying the object to be dried from one side to the other; a tunnel unit that surrounds the transfer unit from the outside; a drying unit which dries the object to be dried when the object to be dried is transported along the transfer unit; and a collecting unit provided on the other side of the conveying unit and collecting the dried object to be dried.

In addition, an object-to-dry spreading unit is provided at the front end of the transfer unit to allow the object to be dried to spread at a predetermined height from the surface of the transfer unit, and the object-to-dry spread unit has through-holes spaced apart at regular intervals to allow the object to pass through. It is preferable to include a rake part.

In addition, the object-to-dry spreading unit is coupled to the upper side of the rake unit, and extends obliquely so as to incline toward the input unit as it goes upward, and forms a concave groove along with the rake unit in the direction in which the object to be dried. it is desirable

In addition, it is preferable that the upper end of the extension is disposed so that a virtual line descending vertically from the upper end to the lower side is closer to the input part than the lower end of the rake.

In addition, the transfer unit may include a mesh-type belt unit for transferring the object to be dried in a state in which it is placed on an upper surface; a first rotating shaft portion provided on the inlet side and rotatably supporting the belt portion; a second rotation shaft portion provided on the side of the collector and rotatably supporting the belt portion; And a power supply unit by providing power to the first rotation shaft unit or the second rotation shaft unit so as to rotate the belt unit;

The drying unit may include a plurality of first heater units provided in the tunnel unit and provided above the belt unit to provide heat to the object to be dried; and a plurality of agents provided in the tunnel unit and providing heat toward the object placed on the belt unit by being disposed inside the closed curve when the belt unit is wound around the first and second rotating shafts to form a closed curve. It is preferable to include; 2 heater units.

In addition, an upper insulating material provided on the upper side of the first heater unit; a lower insulating material provided below the second heater unit; It is preferable to include; and side insulation provided on the inside of both sides of the tunnel portion.

In addition, protruding portions protruding inward from both side surfaces of the tunnel portion are provided so that both ends of the first heater portion are inserted and installed, and the upper insulating material is preferably seated on the upper surface of the protruding portion.

In addition, both side surfaces of the tunnel portion are preferably coupled to be rotatable around the rotation portion provided on the upper side.

In addition, temperature sensors for detecting the temperature in the tunnel are provided on the side of the tunnel at regular intervals along the length of the tunnel, and a plurality of steam outlets are provided on the upper side of the tunnel for discharging steam in the tunnel. it is desirable

The drying apparatus for black soldier flies according to the present invention provides an effect of providing a drying apparatus for black soldier flies, which uniformly dries an object to be dried, improves quality, and facilitates maintenance and repair of the apparatus.

1 is a right side view of a drying apparatus according to an embodiment of the present invention;
2 is a plan view of a drying apparatus according to an embodiment of the present invention;
3 is a left side view of a drying apparatus according to an embodiment of the present invention;
Figure 4 is an enlarged view of the left part of Figure 1;
Figure 5 is an enlarged view of the main part of Figure 4;
6 is a front view of a drying apparatus according to an embodiment of the present invention;
Figure 7 is an enlarged view of the right part of Figure 1;
8 is a rear view of a drying apparatus according to an embodiment of the present invention;
Figure 9 is a cross-sectional view of Figure 1 cut in the vertical direction.

Hereinafter, various embodiments of the present invention will be described in association with the accompanying drawings. Various embodiments of the present invention may apply various changes and may have various embodiments, and specific embodiments are illustrated in the drawings and related detailed descriptions are described. However, this is not intended to limit the various embodiments of the present invention to specific embodiments, and should be understood to include all changes and/or equivalents or substitutes included in the spirit and technical scope of the various embodiments of the present invention. In connection with the description of the drawings, like reference numerals have been used for like elements.

Expressions such as “include” or “may include” that may be used in various embodiments of the present invention indicate the existence of a function, operation, or component that has been disclosed, and may include one or more additional functions, operations, or components. components, etc. are not limited. In addition, in various embodiments of the present invention, terms such as "include" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, It should be understood that it does not preclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

When an element is referred to as “connected” or “coupled” to another element, the element may be directly connected to the other element, but there is a gap between the element and the other element. It should be understood that other new components may exist in

Terms used in various embodiments of the present invention are only used to describe a specific embodiment, and are not intended to limit various embodiments of the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong.

Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in various embodiments of the present invention, ideal or excessively formal not interpreted as meaning

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is a right side view of a drying apparatus according to an embodiment of the present invention, Fig. 2 is a plan view of a drying apparatus according to an embodiment of the present invention, and Fig. 3 is a left side view of a drying apparatus according to an embodiment of the present invention. Figure 4 is an enlarged view of the left part of Figure 1, Figure 5 is an enlarged view of the main part of Figure 4. Fig. 6 is a front view of a drying apparatus according to an embodiment of the present invention, and Fig. 7 is an enlarged view of the right side of Fig. 1. Figure 8 is a rear view of the drying apparatus according to an embodiment of the present invention, Figure 9 is a cross-sectional view of Figure 1 cut in the vertical direction.

The drying apparatus for Dongae, etc. according to an embodiment of the present invention includes an input unit 10, a transfer unit 20, a tunnel unit 30, a drying unit 40, and a collection unit 50.

The input unit 10 is for inputting an object to be dried, including larvae or pupae of Dongae, etc., and the object to be dried is input upward and discharged downward. A guide plate 11 for guiding the object to be dried to fall to the transfer unit 20 is provided below the input unit 10 .

The transfer unit 20 is provided to transfer the object to be dried from one side to the other. According to this embodiment, the transfer unit 20 includes a belt unit 21, a first rotation shaft unit 22, a second rotation shaft unit 23, and a power supply unit 24.

The belt part 21 is provided to transfer the object to be dried in one direction in a state where the top surface is placed. According to the present embodiment, the belt part 21 is made of a mesh shape. The size of the structure of the mesh (holes or spaces formed inside the mesh) is smaller than the size of the object to be dried, so that the object to be dried can be moved while being placed on the upper surface of the belt part 21. According to this embodiment, since the belt part 21 is made of a mesh shape, the heat of the heater provided to dry the object to be dried is easily convected to the upper and lower sides of the belt part 21 to promote drying. will do

The first rotating shaft part 22 is provided on the side of the inlet and rotatably supports the belt part 21 . The first rotating shaft portion 22 includes a first upper rotating shaft portion 221 supporting the belt portion 21 from an upper side and a first lower rotating shaft portion 222 supporting the belt portion 21 from a lower side. include One side of the belt part 21 is wound around the first upper rotary shaft part 221 and the first lower rotary shaft part 222 .

According to this embodiment, the first lower rotating shaft 222 is coupled to the sliding block 26 so as to slide forward or backward, and the sliding block 26 is inserted into the first guide block 27 In this state, it can be pushed or pulled through the first pressure bar 28 provided on one side. The tension of the belt part 21 can be adjusted by sliding the sliding block 26 forward or backward by the first pressing bar 28 .

The second rotation shaft part 23 is provided on the side of the collector and rotatably supports the belt part 21 . The second rotating shaft portion 23 includes a second upper rotating shaft portion 231 supporting the belt portion 21 from an upper side and a second lower rotating shaft portion 232 supporting the belt portion 21 from a lower side. include The other side of the belt part 21 is wound around the second upper rotary shaft part 231 and the second lower rotary shaft part 232 .

The power supply unit 24 is provided to provide power to the first rotation shaft unit 22 and the second rotation shaft unit 23 so that the belt unit 21 rotates. According to this embodiment, the power supply unit 24 is provided on the other side of the belt unit 21 and is connected to the second upper rotating shaft unit 231 through a chain 25 to transmit power.

The tunnel part 30 surrounds the conveying part 20 from the outside and provides a space for the conveying part 20 to move to one side. According to this embodiment, the tunnel portion 30 is made of a rectangular parallelepiped shape with an empty interior longer than the height in the longitudinal direction. The input unit 10 is disposed on one side of the tunnel unit 30, and the collection unit 50 is disposed on the other side of the tunnel unit 30.

The drying unit 40 is provided to dry the object to be dried when the object to be dried is transported along the transfer unit 20 . According to this embodiment, the drying unit 40 includes a first heater unit 41 and a second heater unit 42 .

The first heater unit 41 is provided in the tunnel unit 30 and is provided in plurality on the upper side of the upper surface of the belt unit 21 to provide heat to the object to be dried. The second heater unit 42 is provided in the tunnel unit 30, and a plurality of them are disposed between the upper and lower surfaces of the belt unit 21 to provide heat toward the upper surface of the belt unit 21. do. As the first heater unit 41 and the second heater unit 42, rod or rod-type infrared heaters are used.

In this embodiment, the upper surface and the lower surface of the belt part 21 refer to the belt part 21 is wound around the first rotary shaft part 22 and the second rotary shaft part 23 to form a closed curve. When doing this, the part positioned on the upper side to place the object to be dried is the upper surface part, and the part that is rotated and moved under the upper surface part after transferring the object to be dried in one direction is defined as the lower surface part.

The collection unit 50 is provided on the other side of the transfer unit 20 to collect the dried object. On the other side of the transfer unit 20, guide bars 51 are provided on both sides of the edge so that the objects to be dried can be gathered toward the center of the belt portion 21, and according to the guide bars 51, the objects to be dried are gathered toward the center. While falling to the collection unit 50, it is collected.

The drying apparatus for Dongae lamp according to the present embodiment includes an object to be dried spreading unit 60 , an insulation unit 70 , a temperature sensor 80 , and a steam outlet 90 .

The object-to-dry spreading unit 60 is provided at the front end of the transfer unit 20 to spread the object to be dried to a predetermined height from the surface of the transfer unit 20 . According to this embodiment, the object-to-dry spread unit 60 includes a rake unit 61 and an extension unit 62.

The rake part 61 is made of a rake shape in which through-holes 611 spaced at regular intervals are formed so that the object to be dried can pass through, and is perpendicular to the direction in which the object to be dried is moved by the transfer part 20. placed in one direction. The rake part 61 is formed to have a length corresponding to the width of the conveying part 20 and is disposed close to the upper surface of the belt part 21 . The object to be dried discharged from the input unit 10 and placed on the belt unit 21 passes through the rake unit 61 at a height corresponding to the height corresponding to the through hole 611 of the rake unit 61. While unfolding, it moves toward the rear end of the drying object spreading unit 60.

The extension part 62 is a part coupled to the upper side of the rake part 61, and is formed inclined so as to be inclined toward the input part 10 as it goes upward. As a result, the extension part 62 together with the rake part 61 forms a concave groove 621 in the direction in which the object to be dried moves. The object to be dried discharged from the input unit 10 passes through the rake unit 61 while the belt unit 21 moves, and at this time, it is dried at a height corresponding to the height of the passage hole 611 of the rake unit 61. When the object is unfolded, the object to be dried that is piled up at a position higher than the height of the through hole 611 does not pass through the through hole 611 and collides with the extension part 62 side. An object to be dried caught on the extension part 62 is pushed by a subsequent object to be dried that moves successively, moves upward along the inclined surface, and then is dropped again and falls in front of the rake part 61 . According to the embodiment of the present invention, the upper end of the extension part 62, the virtual line (L) vertically lowered downward from the upper end is located closer to the input part 10 side than the lower end of the rake part 61 arranged to do That is, the upper end of the extension part 62 is located in front of the lower end of the rake part 61 .

Therefore, the object to be dried caught on the extension part 62 is pushed upward by the object to be dried which subsequently moves, and then falls in front of the rake part 61 again. While the object to be dried goes through the process of rising and falling upward, a predetermined time is secured so that the object to be dried can pass continuously without clogging without being caught on the rake part 61, and along the extension part 62 After rising, the falling drying object impacts the drying object at the lower part moving to the rake part 61 from the input part 10 side and exerts a force to scatter it to the side, so that the drying object moves through the through hole of the rake part 61 Through (611), it is easily dispersed and spread out.

The upper side of the extension part 62 is connected to the elevating block 63. The elevating and descending block 63 is slidably coupled to the second guide block 64 so as to ascend and descend. The lifting and lowering block 63 may provide lifting and lowering power through a second pressing bar 65 provided on the upper side in a state of being coupled to the second guide block 64 . When the elevating block 63 is pulled up or pushed down by the second pressing bar 65 to raise or lower the extension 62, the rake 61 coupled to the extension 62 As it is raised and lowered, the size of the object to be dried passing through the rake part 61 can be adjusted by adjusting the height at which the upper end of the through hole 611 is separated from the upper surface of the belt part 21 .

The heat insulator 70 is provided to improve drying efficiency by preventing heat from escaping to the outside during the drying process of the object to be dried. According to this embodiment, the heat insulating part 70 includes an upper heat insulating material 71 , a lower heat insulating material 72 , and a side heat insulating material 73 .

The upper insulating material 71 is provided above the first heater part 41 . According to this embodiment, protrusions 31 protruding from both side surfaces of the tunnel portion 30 are provided so that both ends of the first heater portion 41 are inserted and installed. It is seated and disposed on the upper surface of the protrusion 31 . Since the upper insulating material 71 is installed in a manner to be seated on the upper surface of the protruding portion 31, installation and replacement are provided with a simple effect.

The lower insulating material 72 is provided below the second heater unit 42 . According to this embodiment, the lower insulation material 72 is disposed inside the closed curve formed by the belt part 21 . Therefore, the first heater unit 41 and the second heater unit 42 are disposed between the upper insulation material 71 and the lower insulation material 72 .

The side insulation 73 is provided on the inside of both side surfaces of the tunnel portion 30 . The side insulating material 73 includes a left insulating material and a right insulating material disposed on the left and right sides. According to this embodiment, both side surfaces of the tunnel portion 30 are rotatably coupled around the pivot portion 32 provided on the upper side. The pivoting part 32 may use, for example, a hinge or the like. The left and right sides of the tunnel portion 30 may rotate upward to open both sides, respectively. Observation windows 12 through which the inner state of the tunnel part 30 can be observed are formed on the left and right sides of the tunnel part 30 . A transparent plate is coupled to the observation window 12 so that the user can observe the inside. Since both sides of the tunnel part 30 are open, it is easy to inspect and repair equipment inside the tunnel part 30, and if necessary, provide an effect of checking the dry state of the object to be built in close proximity and at a short distance. .

The temperature sensor 80 is provided to sense the temperature in the tunnel part 30, and is spaced apart from the side of the tunnel part 30 at regular intervals along the length direction of the tunnel part 30. . According to this embodiment, the length of the tunnel part 30 is appropriately selected so that the drying can be completed while the object to be dried moves from the input part 10 to the collecting part 50, and the tunnel part It is of paramount importance to maintain the proper temperature for drying while passing the length of (30). The temperature sensor 80 checks the temperature along the longitudinal direction within the tunnel part 30 in real time. The temperature of the tunnel part 3 can be set differently in each section by dividing the section from the front end to the rear end into predetermined sections. For example, when the tunnel portion 3 is divided into two sections, the temperature of the front end may be set higher than that of the rear end. Alternatively, when the temperature of the tunnel part 3 is divided into three sections, the temperature of the second section may be set higher than the temperature of the first and third sections, assuming that the first, second and third sections are from the front end. there is.

The steam outlet 90 is provided to discharge steam generated while the object to be dried is dried inside the tunnel part 30 . The steam outlet 90 is provided on the upper side of the tunnel part 30, and the steam of the tunnel part 30 is discharged through the steam outlet 90 so that the object to be dried can be completely dried. A plurality of steam outlets 90 are provided along the longitudinal direction on the upper surface of the tunnel part 30 .

Hereinafter, the action or effect of the drying device for Dongae etc. according to the above configuration will be described in detail.

The larvae or pupae of black soldier flies go through a drying process in order to be processed for feed. Dried black soldier flies are pulverized and added during feed processing. The present invention relates to an apparatus for drying an object to be dried including larvae or pupae of the black soldier flies, wherein the object to be dried is provided to the input unit (10), and a guide plate (11) to the lower side of the input unit (10). ) and falls to the belt part 21. The belt part 21 moves the object to be dried into the tunnel part 30 while rotating in one direction.

When the object to be dried falls to the belt part 21, the height of the object to be dried is not uniform and is piled up to a considerable height and poured out. The object to be dried passes through the object-to-dry spreading unit 60 to spread uniformly to a predetermined height. When the height of the object to be dried is made uniform by the spreading portion 60 of the object to be dried, uniform drying of the object to be dried can be performed in the tunnel portion 30 . When drying non-uniformly stacked objects using a heater, the degree of drying of objects located inside and objects located outside differs, and such uneven drying adversely affects the quality of the objects to be dried. It is very important to make the height of the object to be dried uniform by the spreading unit 60.

The rake part 61 of the object-to-dry spreading part 60 can pass an object to be dried as high as the through hole 611, and the object to be dried that does not pass through the through hole 611 can pass through the rake part 61. ) After moving upward along the inclined surface of the extension part 62 coupled to the upper side of the upper side, it falls down again. Since the upper end of the inclined surface is located in front of the rake part 61, the object to be dried falling from the upper side of the inclined surface provides an effect of evenly spreading the object to be dried while impacting the subsequent object to be dried. In addition, the object to be dried that does not pass through the rake part 61 moves upward along the extension part 62 to prevent the object to be dried from being accumulated near the through hole 611 of the rake part 61. allow it to pass quickly.

The object to be built passes through the tunnel part 30 in a state of spreading at a uniform height. A first heater part 41 and a second heater part 42 are provided on the upper and lower sides of the tunnel part 30, and the belt part 21 is made of a mesh type and placed on the belt part 21 Dry the object to be dried effectively. At this time, the upper insulator 71, the lower insulator 72, and the side insulator 73 prevent the heat of the first and second heater units 41 and 42 from being lost to the outside to promote drying of the object to be dried. , Steam evaporated from the object to be dried is discharged through the steam outlet 90 to dry the object to be dried into a high-quality feed. In addition, by using the temperature sensor 80, the temperature along the longitudinal direction of the tunnel portion 30 is checked to maintain an appropriate temperature, thereby contributing to improvement of drying quality.

In addition, both sides of the tunnel portion 30 are opened and closed by rotating upward to provide an effect of checking the dry state of the object to be dried or simply maintaining and repairing the device.

In the above, the present invention has been described in detail with reference to preferred embodiments, but the present invention is not limited to the above embodiments, and many variations may be provided within a range that does not depart from the scope of the present invention. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10 ... input part 11 ... guide plate
12... Observation window 20... Transfer part
21... belt part 22... first rotating shaft part
221... first upper rotation shaft portion 222... first lower rotation shaft portion
23... second rotation shaft portion 231... second upper rotation shaft portion
232... second lower rotary shaft part 24... power supply part
25... chain 26... sliding block
27... first guide block 28... first pressure bar
30... Tunnel portion 31... Projection portion
32... rotating part 40... drying part
41... first heater unit 42... second heater unit
50 ... collection part 51 ... guide bar
60... drying object spreading unit 61... rake unit
611... through hole 62... extension
621... home 63... lifting block
64... second guide block 65... second pressure bar
70... Insulation 71... Upper Insulation
72... lower insulation 73... side insulation
80... Temperature sensor 90... Steam outlet
L... imaginary line

Claims (9)

An input unit 10 into which objects to be dried including larvae or pupae of black soldier flies are put;
a conveying unit 20 for conveying the object to be dried from one side to the other;
a tunnel part 30 surrounding the transfer part 20 from the outside;
a drying unit 40 which dries the object to be dried when the object to be dried is transported along the transfer unit 20; and
Drying apparatus for Dongae, characterized in that it comprises a; collection unit 50 provided on the other side of the transfer unit 20 to collect dried objects. According to claim 1,
It includes an object-to-dry spreading unit 60 provided at the front end of the transfer unit 20 to spread the object to be dried to a predetermined height from the surface of the transfer unit 20,
The drying apparatus for Dongae, etc., characterized in that the spreading part 60 includes a rake part 61 having through-holes 611 spaced apart at regular intervals to allow the drying object to pass therethrough. According to claim 2,
The object-to-dry spreading part 60 is coupled to the upper side of the rake part 61, and extends obliquely so as to be inclined toward the input part 10 as it goes upward, so that the object to be dried proceeds along with the rake part 61. Drying apparatus for Dongae, etc., characterized in that it comprises an extension (62) forming a concave groove (621) in the direction. According to claim 3,
The upper end of the extension part 62, characterized in that arranged so that the imaginary line (L) vertically lowered downward from the upper end is located closer to the input part 10 side than the lower end of the rake part 61 Dongae lamp drying device. According to claim 1,
The transfer unit 20 includes a mesh-type belt unit 21 that transfers the object to be dried in a state of being placed on an upper surface; a first rotating shaft portion 22 provided on the inlet side and rotatably supporting the belt portion 21; a second rotational shaft portion 23 provided on the collector side and rotatably supporting the belt portion 21; And a power supply unit 24 by providing power to the first rotation shaft unit 22 or the second rotation shaft unit 23 so as to rotate the belt unit 21; and
The drying unit 40 includes a plurality of first heater units 41 provided in the tunnel unit 30 and provided above the belt unit 21 to provide heat to the object to be dried; And it is provided in the tunnel part 30, and when the belt part 21 is wound around the first and second rotating shafts to form a closed curve, it is disposed inside the closed curve and placed on the belt part 21. A dryer for Dongae, etc., comprising a plurality of second heater units 42 that provide heat toward an object. According to claim 5,
an upper insulating material 71 provided on the upper side of the first heater unit 41;
a lower insulating material 72 provided below the second heater unit 42; and
Drying apparatus for Dongae, characterized in that it comprises a; side insulation (73) provided on the inside of both side surfaces of the tunnel portion (30). According to claim 6,
Protrusions 31 protruding inward from both side surfaces of the tunnel portion 30 are provided so that both ends of the first heater portion 41 are inserted and installed,
Drying apparatus for dongae, etc., characterized in that the upper insulating material (71) is seated on the upper surface of the protruding part (31). According to claim 1,
Drying apparatus for dongae, etc., characterized in that both sides of the tunnel portion 30 are rotatably coupled around the rotation portion 32 provided on the upper side. According to claim 1,
Temperature sensors 80 for detecting the temperature in the tunnel part 30 are provided at regular intervals along the length direction of the tunnel part 30 on the side surface of the tunnel part 30,
Drying apparatus for Dongae, etc., characterized in that a plurality of steam outlets 90 for discharging steam in the tunnel part 30 are provided on the upper side of the tunnel part 30.

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