KR20140117940A - Apparatus for drying agricultural products using using far infrared rays - Google Patents

Apparatus for drying agricultural products using using far infrared rays Download PDF

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Publication number
KR20140117940A
KR20140117940A KR1020130032921A KR20130032921A KR20140117940A KR 20140117940 A KR20140117940 A KR 20140117940A KR 1020130032921 A KR1020130032921 A KR 1020130032921A KR 20130032921 A KR20130032921 A KR 20130032921A KR 20140117940 A KR20140117940 A KR 20140117940A
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South Korea
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drying
housing
drying chamber
heating unit
air
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KR1020130032921A
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Korean (ko)
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허조
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허조
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/005—Preserving by heating
    • A23B7/01—Preserving by heating by irradiation or electric treatment
    • A23B7/012—Preserving by heating by irradiation or electric treatment with packages
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/02—Dehydrating; Subsequent reconstitution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/158—Carbon nanotubes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

A far-infrared agricultural product drying apparatus is disclosed. The far infrared agricultural produce drying apparatus of the present invention comprises: a housing provided for an operator to enter and exit; And an opening formed in the housing and spaced apart from the upper and the side portions of the housing so as to form a circulation passage for dry air between the housing and the housing, A drying chamber in which a space for accommodating the object to be dried is formed; A heating unit installed on the circulation passage so as to be disposed on both sides of the upper portion of the drying chamber with the opening as a center, to radiate hot infrared rays and to form dry air; And drying air formed by the heating units, which are installed on the left and right sides of the drying chamber, respectively, to form a flow in the inside of the drying chamber and in the direction of the opening so as to continuously circulate in mutually symmetrical directions in the inside of the housing To be provided; And a dehumidifying part connected to the circulation passage on the surface of the housing and adapted to remove moisture contained in the circulating drying air along the circulation passage. According to the present invention, the far-infrared drying air formed by the heating unit inside the housing is circulated in both directions symmetrical to each other in the drying chamber, whereby drying efficiency of the drying object can be increased and drying time can be remarkably shortened when drying various agricultural products .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for drying far-

The present invention relates to a far-infrared agricultural produce drying apparatus, and more particularly, to a far-infrared drying apparatus for drying far-infrared drying air in both directions of mutual symmetry of a drying chamber inside a housing, And drying the dried far-infrared agricultural product.

Generally, agricultural products are harvested for long-term storage purposes, dried, and shipped. These agricultural products include red pepper, radish, dried herbs, shiitake mushrooms, and ginseng.

In order to dry the agricultural products, in the past, natural drying was used by simply using sunlight and wind, but it takes a very long time to dry naturally, so productivity is low, a large space is required, and dust or various foreign substances The quality of the product is deteriorated and it can not be carried out on rainy or humid days and there are disadvantages that it is troublesome and inconvenient because the producers must dry the agricultural products that are dried frequently from time to time.

Therefore, recently, a forced drying apparatus capable of artificially forcibly drying agricultural products is mainly used.

The apparatus for drying agricultural produce is provided with a drying chamber which is hermetically sealed inside, and the agricultural products to be dried are put into the drying chamber by using a harvester or the like, and then the heat source is exothermically operated to generate high heat, So that hot air flows. That is, the agricultural product drying apparatus is to dry agricultural products by direct heat by a heat source and flow of hot air by a blowing fan.

As a heat source provided in the agricultural product drying apparatus, a burner for generating heat in accordance with the combustion of fuel and an electric heater for generating heat in accordance with the supply of electricity are mainly used.

Among them, the electric heater is widely adopted because it is convenient to use because it is unnecessary to supplement fuel when only electricity is supplied, and it is possible to maintain cleanliness around the electric heater.

However, the conventional agricultural product drying apparatus and the agricultural product drying method using the same have the following problems.

That is, the agricultural products are dried using the hot air and the hot air, which means that the surface of the agricultural products exposed to the hot heat is dried, and the inside is hardly dried.

As a result, corruption frequently occurs inside the dried agricultural product, resulting in degraded quality.

In addition, since the heat can not penetrate into the inside of the agricultural product, the drying speed is somewhat slow, so that the drying time is long, the productivity is low, the energy consumption is large according to the operation for a long time, There is a problem that the quality of agricultural products is deteriorated due to discoloration, discoloration and deterioration of components.

Therefore, at present, there is a need for an agricultural product drying apparatus capable of uniformly and rapidly drying not only the surface but also the inside of the agricultural product.

In addition, as an example of agricultural products, pepper is used as an example.

Dried red pepper is naturally dried in sunlight, and sunflower is highly popular in the market because it is completely dried and sold at a high price.

However, since sunflower is produced through natural drying, the same problems as described above due to natural drying occur.

On the other hand, pepper can be mechanically dried using a drying device. According to mechanical drying, a product having a significantly lowered taste and nutritive value than that of a sunflower is produced, resulting in lower consumer's preference and price.

Therefore, there is a demand for research and development of an agricultural product drying apparatus capable of rapidly drying agricultural products while improving the drying efficiency.

The patent documents related to the present invention are as follows. Korean Patent No. 10-0881867 (entitled "Grain Dryer ", filed Jan. 29, 2009) Korean Patent No. 10-1137774 (entitled "Rotary Drum Type Agricultural Product Dryer ", Registered April 12, 2012) Korean Patent No. 10-0569149 (entitled "Multi-purpose Agricultural Product Sterilization Dryer ", Registered on Apr. 03, 2006). In this patent document, although a structure for feeding / circulating air into the drying chamber sterilized by an ozone generator is adopted, there is a problem that it is not suitable for drying a large amount of agricultural products.

The present invention is directed to a method for improving the drying efficiency and shortening the drying time by circulating the far infrared ray drying air in both directions of mutually symmetric of the drying room inside the housing when drying agricultural products such as red pepper, radish, dried orchard, Infrared agricultural produce drying apparatus.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the particular embodiments that are described. It will be apparent to those skilled in the art, There will be.

According to an aspect of the present invention, there is provided a portable terminal comprising: a housing provided to allow an operator to enter and exit; And an opening formed in the housing and spaced apart from the upper and the side portions of the housing so as to form a circulation passage for dry air between the housing and the housing, A drying chamber in which a space for accommodating the object to be dried is formed; A heating unit installed on the circulation passage so as to be disposed on both sides of the upper portion of the drying chamber with the opening as a center, to radiate hot infrared rays and to form dry air; The drying unit being installed on the left and right sides of the drying chamber so that the drying air formed by the heating unit forms a flow in the inside of the drying chamber and in the direction of the opening so as to be circulated continuously in both directions symmetrically symmetrical in the inside of the housing A spring-loaded portion provided; And a dehumidifying part connected to the circulation passage on the surface of the housing and adapted to remove moisture contained in the circulating drying air along the circulation passage.

An auxiliary unit installed at a predetermined distance between the left and right sides of the drying chamber and the housing to heat the drying air primarily heated by the heating unit to the inside of the drying chamber, And a heating unit.

The dehumidifying unit may include a first dehumidifier installed on the front surface of the housing and configured to remove moisture contained in the dry air discharged through the opening of the drying chamber; And a second dehumidifier disposed on the left and right sides of the housing to remove moisture contained in the dry air not removed by the first dehumidifier.

Wherein the heating unit comprises: a plurality of heater bodies installed at upper portions of the drying chamber so as to be spaced from each other at a predetermined interval in a direction perpendicular to the circulating direction of the drying air; And a plurality of nano carbon tube heaters spaced apart from each other by a predetermined distance in the lateral direction so as to mount both ends of the heater body and generating heat to form dry air according to supply of power.

The nano carbon tube heater includes: a plurality of CNT tubes mounted on the heater body; And a heating wire embedded in the CNT tube and generating heat according to supply of power.

The CNT tube has an insulator coupled to an inner side of both ends and slidable to be compressed and restored by the elastic member on the outer side of the CNT tube, And the nano carbon tube heater is detachably mounted on the heater body.

The CNT tube has guide protrusions protruding from the surface at both ends thereof. The guide protrusion is inserted into the insulator so that the CNT tube can be compressed and restored, And a guide groove is formed to be engaged.

According to the present invention, it is possible to provide a far infrared ray dry air drying device for circulating the far infrared ray dry air in both directions symmetrically symmetrically of the drying chamber inside the housing, so that high temperature dry air formed by the heating unit, The drying efficiency can be increased and the drying time can be remarkably shortened.

1 is a perspective view of a far-infrared agricultural produce drying apparatus according to an embodiment of the present invention.
2 is a front view of the inside of the far infrared agricultural produce drying apparatus shown in FIG.
FIG. 3 is a plan view of the inside of the far-infrared agricultural produce drying apparatus shown in FIG. 1. FIG.
FIG. 4 is a cross-sectional view of the inside of the far-infrared agricultural produce drying apparatus shown in FIG. 1 viewed from another angle.
5 is an enlarged cross-sectional view showing the inside of the portion "A" in Fig.
FIG. 6 is a cross-sectional view schematically illustrating the flow of dry air inside the far-infrared agricultural produce drying apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions will not be described in order to simplify the gist of the present invention.

FIG. 1 is a perspective view of a far-infrared agricultural produce drying apparatus according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the inside of a far-infrared agricultural produce drying apparatus shown in FIG. 1, 4 is a cross-sectional view of the inside of the far-infrared agricultural produce drying apparatus shown in Fig. 1 viewed from another angle, Fig. 5 is an enlarged view of the "A" And FIG. 6 is a cross-sectional view schematically illustrating the flow of dry air inside the far-infrared agricultural produce drying apparatus according to an embodiment of the present invention.

1 to 3, the far-infrared agricultural produce drying apparatus according to an embodiment of the present invention includes a housing 100, a drying chamber 110 installed inside the housing 100, a housing 100, A heating unit 120 for forming far infrared ray drying air inside the housing 100 and a blowing unit 120 for circulating the drying air from the heating unit 120 continuously in both directions of the mutually symmetrical drying room 110 inside the housing 100 And a dehumidifying part 150 for discharging moisture contained in the drying air circulating through the inside of the housing 100 and the drying chamber 110 to the outside.

1, the housing 100 has a structure for forming a main frame of a far-infrared agricultural produce drying apparatus according to an embodiment of the present invention. In addition to being able to enter and leave the worker, An access structure of at least one door 102 is provided so that the dryable matter receiving portion 114 in a state in which the tray 116 is mounted can be taken in and out.

A person skilled in the art will be able to enter and leave the inside space of the drying chamber 110 and the inside space of the drying chamber 110 Various structures that can be closed can be considered.

The drying chamber 110 is provided inside the housing 100 as shown in FIG. The drying chamber 110 is spaced apart from the upper and the side portions of the housing 100 by a predetermined distance so as to form a circulation passage 110A of the drying air between the drying chamber 110 and the housing 100.

An opening 112 is formed in the upper center of the drying chamber 110 so that dry air introduced into the drying chamber 110 can be discharged to the circulation passage 110A. That is, the open portion 112 provides a space through which the dry air is introduced into the drying chamber 110 by the blowing portion 140 and can be quickly discharged to the circulation passage 110A.

The drying air flowing into the left and right sides of the drying chamber 110 is continuously supplied to the inside of the housing 100 in both directions of mutual symmetry of the drying chamber 110 Thereby enabling circulation.

That is, unlike the conventional system in which the drying air is supplied to the drying object in one direction of the drying chamber, the present embodiment differs from the conventional method in that the drying air in the drying room The drying time of the drying object can be remarkably shortened while the drying efficiency of the drying object is increased.

In the drying chamber 110, a plurality of trays 116 on which the respective objects to be dried are placed are vertically stacked with respect to each other. To this end, an object to be dried 114 having a structure in which a plurality of trays 116 are accommodated is provided. At this time, the plurality of tongues 116 is detachably coupled to the laundry receiver 114.

That is, the dry storage unit 114 has a structure in which a plurality of trays 116 are vertically stacked in a multi-stage manner.

2 to 4, the heating unit 120 is provided on the circulation passage 110A to radiate high-temperature far-infrared rays and form dry air. The heating unit 120 is installed on the circulation passage 110A so as to be disposed on both sides of the upper portion of the drying chamber 110 with respect to the opening 112 provided in the drying chamber 110, And a plurality of nano carbon tube heaters 124 mounted on the heater body 122.

The plurality of heater main bodies 122 are arranged to mount a plurality of nano carbon tube heaters 124 and are arranged at a predetermined interval in a direction orthogonal to the circulating direction of the drying air at the upper portion of the drying chamber 110 . A plurality of receiving grooves 123 capable of detachably mounting both ends of the nano carbon tube heater 124 are formed on the mutually facing surfaces of the heater body 122. At this time, the receiving grooves 123 are spaced apart from one another in the up, down, left, and right directions.

A plurality of nano carbon tube heaters 124 are constructed to generate dry air having a far infrared ray and a plurality of CNT tubes 125 having heating wires 126 embedded in the receiving grooves 123 of the heater body 122 And is mounted in the lateral direction. At this time, the heating wire 126 is formed of nano carbon fiber which generates heat according to the supply of power and generates far-infrared rays.

At both ends of each CNT tube 125, an elastic member 128, for example an insulator 127 predominating in force externally expanding by a spring, is mounted on the CNT tube 125, And the insulator 127 is coupled to the receiving groove 123 of the heater body 122 so as to be partially or entirely received.

That is, when insulators 127 mounted on both ends of each CNT tube 125 are compressed inward to each other, when they reach the receiving groove 123 formed in the heater body 122, Each CNT tube 125 can be easily mounted.

A guide protrusion 125A protruding from the surface is formed at both ends of the CNT tube 125. A guide groove 127A is formed in the insulator 127 so that the guide protrusion 125A can be inserted into the guide groove 127A, . At this time, the guide groove 127A is formed to have a constant length so as to guide the compression of the insulator 127 to the CNT tube 125 and the restoration of the home position. The insulator 127 can be compressed and retracted at both ends of the CNT tube 125 according to the structure of the guide protrusion 125A and the guide groove 127A, .

Dismantling of the CNT tube 125 from the heater main body 122 follows the reverse order of the above procedure.

By adopting such a structure that the CNT tube 125 can be easily mounted and disassembled, the CNT tube 125 which is not working can be easily replaced.

Reference numeral 129, which is not described in the heating unit 120 of the present embodiment, indicates a power supply line for supplying power to the heating wire 126 embedded in the CNT tube 125.

Such a nano carbon tube heater 124 greatly reduces the drying time from about 37 to 40 hours by a general electric heater to 20 to 25 hours, and is excellent in energy saving effect. At this time, the wavelength band of the nano carbon tube heater 124 should preferably be set to a frequency between 3 and 20 micrometers to provide far-infrared emissivity and radiant energy having optimum conditions for drying the agricultural product, It is possible to provide excellent antimicrobial activity by excluding the possibility of damaging agricultural products.

The heating unit 120 serves to heat the drying air discharged through the opening 112 provided in the drying chamber 110.

The apparatus for drying far-infrared agricultural produce according to the present embodiment differs from the heating unit 120 described above in that an auxiliary heating unit 130 for heating the drying air flowing into the drying chamber 110 through the circulation passage 110A .

The auxiliary heating unit 130 is disposed between the left and right sides of the drying chamber 110 and the housing 100 so as to be spaced apart from each other by a predetermined distance so as to be disposed on the upper portion of the blowing unit 140.

The auxiliary heating unit 130 is formed to have a smaller electric power capacity than the heating unit 120 and is configured to heat the firstarily heated dry air by the heating unit 120 to a second temperature before flowing into the drying chamber 110 .

Here, the configuration of the auxiliary heating unit 130 is the same as that of the heating unit 120 described above, and thus a detailed description thereof will be omitted.

As shown in FIGS. 2 to 4, the blowing unit 140 is configured to circulate dry air in both directions of the mutually symmetrical drying chamber 110 inside the housing 100.

Here, the blowing portions 140 are provided so as to correspond to the left and right sides of the drying chamber 110.

The blowing unit 140 of the present embodiment includes nine blowing fans installed on the left and right sides of the drying chamber 110. The number of the blowing fans can be variously changed according to the volume of the drying chamber 110. [

The airflow 140 is formed by introducing dry air formed by the heating unit 120 into the interior of the drying chamber 110 and forming a flow to be discharged in the direction of the opening 112, Symmetrically symmetrical to each other in the direction of the axis of rotation.

1 to 3, the dehumidifying unit 150 includes a first dehumidifier 152 and a second dehumidifier 154 to remove moisture contained in the dry air. At this time, the first and second dehumidifiers 152 and 154 are formed by a dehumidifier that opens and closes to remove moisture contained in the dry air.

The first dehumidifier 152 is installed on the front surface of the housing 100. That is, a plurality of first dehumidifiers 152 are installed on the front surface of the housing 100.

The first dehumidifier 152 serves to remove moisture contained in the drying air discharged through the opening 112 of the drying chamber 110.

The second dehumidifier 154 is installed on the left and right sides of the housing 100, respectively. That is, the second dehumidifier 154 is connected to the auxiliary heating unit 130 to remove the moisture contained in the drying air circulated through the heating unit 120 and then introduced into the drying chamber 110 by the airflow 140. [ To the left and right sides of the housing 100, respectively.

The second dehumidifier 154 serves to remove moisture contained in the dry air that has not been removed by the first dehumidifier 152.

The first and second dehumidifiers 152 and 154 provided in the dehumidifying unit 150 remove moisture contained in the drying air circulating along the circulation passage 110A to remove moisture contained in the drying air, It is possible to increase the drying efficiency of the object to be dried.

Here, the dehumidifying unit 150 is operated to open and close under the control of a control unit (not shown) provided in the housing 100 so as to remove moisture contained in the drying air.

Hereinafter, the operation of the far-infrared agricultural produce drying apparatus according to one embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 6, in order to dry an object to be dried such as agricultural products by the far-infrared agricultural produce drying apparatus of the present embodiment, the object to be dried is first stored in the drying chamber 110.

The heating unit 120 provided on the circulation passage 110A is heated around the opening 112 of the drying chamber 110 to heat the far infrared rays of high temperature, At the same time, the air inside the housing 100 starts to be converted into dry air. At the same time, the blowing unit 140 provided on the left and right sides of the drying chamber 110 operates to blow dry air from the heating unit 120 into the drying chamber 110.

That is, the drying air generated by the heating unit 120 flows into the interior of the drying chamber 110 while maintaining a constant flow in the circulation passage 110A according to the operation of the blowing unit 140, The drying air having passed through the dried material is discharged through the opening 112 and circulated along the circulation passage 110A to be reheated by the heating unit 120 and then introduced into the interior of the drying chamber 110, The drying chamber 110 is continuously circulated in both directions symmetrical to each other.

At this time, the dry air heated by the heating unit 120 is heated by the auxiliary heating unit 130 before being introduced into the drying chamber 110, Dry air can be supplied.

According to the circulation structure of the dry air, the dried article stored in the drying chamber 110 can be dried quickly.

As described above, the far-infrared agricultural product drying apparatus of the present embodiment adopts a structure for circulating the far-infrared ray drying air in both directions symmetrical to each other in the drying chamber 110 inside the housing 100, By intensively providing high-temperature dry air, the drying efficiency of the object to be dried can be increased and the drying time can be remarkably shortened.

In addition, since the bacterial fungus is wiped off when the agricultural products are dried by the far-infrared effect emitted from the heating unit 120 and the auxiliary heating unit 130, the freshness and the circulation period of the agricultural products after drying are prolonged, It is possible to provide a remarkably superior effect than an agricultural product.

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 embodiments, but, on the contrary, It is obvious to those who have. Accordingly, such modifications or variations should not be individually understood from the technical spirit and viewpoint of the present invention, and modified embodiments should be included in the claims of the present invention.

100: housing 110: drying chamber
110A: circulation passage 112:
120: heating unit 130: auxiliary heating unit
140: blowing part 150: dehumidifying part
152: First dehumidifier 154: Second dehumidifier

Claims (7)

A housing provided so that an operator can enter and exit the housing;
And an opening formed in the housing and spaced apart from the upper and the side portions of the housing so as to form a circulation passage for dry air between the housing and the housing, A drying chamber in which a space for accommodating the object to be dried is formed;
A heating unit installed on the circulation passage so as to be disposed on both sides of the upper portion of the drying chamber with the opening as a center, to radiate hot infrared rays and to form dry air;
The drying unit being installed on the left and right sides of the drying chamber so that the drying air formed by the heating unit forms a flow in the inside of the drying chamber and in the direction of the opening so as to be circulated continuously in both directions symmetrically symmetrical in the inside of the housing A spring-loaded portion provided; And
And a dehumidifying part connected to the circulation passage on the surface of the housing to remove moisture contained in the circulating drying air along the circulation passage. The method according to claim 1,
An auxiliary unit installed at a predetermined distance between the left and right sides of the drying chamber and the housing to heat the drying air primarily heated by the heating unit to the inside of the drying chamber, And a heating unit. The method according to claim 1,
The dehumidifying part
A first dehumidifier installed on a front surface of the housing and adapted to remove moisture contained in dry air discharged through an opening of the drying chamber; And
And a second dehumidifier installed on left and right sides of the housing to remove moisture contained in the dry air not removed by the first dehumidifier. The method according to claim 1,
The heating unit includes:
A plurality of heater bodies disposed at upper portions of the drying chamber so as to be spaced apart from each other in a direction orthogonal to the circulating direction of the drying air; And
And a plurality of nano carbon tube heaters arranged to be spaced apart from each other at a predetermined interval in the lateral direction so as to mount both ends of the heater body and to generate dry air according to supply of power, . 5. The method of claim 4,
In the nano carbon tube heater,
A plurality of CNT tubes mounted on the heater body; And
And a heating wire built in the CNT tube and generating heat according to supply of power. 6. The method of claim 5,
In the CNT tube,
Wherein an elastic member is coupled to the inside of both ends and an insulator slidingly coupled to the outside to be compressed and restored by the elastic member is coupled,
In the heater body,
Receiving grooves are formed on the surfaces of the insulators facing each other so as to accommodate part or all of the insulators,
Wherein the nano carbon tube heater is detachably mounted on the heater body. The method according to claim 6,
In the CNT tube,
Guide projections projecting from the surface are formed at both ends,
In the insulator,
Wherein the CNT tube is formed with a guide groove in which the guide protrusion is inserted to slide and guide the CNT tube so that the CNT tube can be compressed and restored and restrained so as to be prevented from being detached.
KR1020130032921A 2013-03-27 2013-03-27 Apparatus for drying agricultural products using using far infrared rays KR20140117940A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101878643B1 (en) * 2017-09-29 2018-07-13 (주)천조기술연구원 Mineral heat drying divice and mineral heat drying method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101878643B1 (en) * 2017-09-29 2018-07-13 (주)천조기술연구원 Mineral heat drying divice and mineral heat drying method
WO2019066341A3 (en) * 2017-09-29 2019-05-16 주식회사 천조기술연구원 Photothermal drying device and drying method using photothermal drying device

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