JP6185191B2 - Food dryer - Google Patents

Food dryer Download PDF

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JP6185191B2
JP6185191B2 JP2016554162A JP2016554162A JP6185191B2 JP 6185191 B2 JP6185191 B2 JP 6185191B2 JP 2016554162 A JP2016554162 A JP 2016554162A JP 2016554162 A JP2016554162 A JP 2016554162A JP 6185191 B2 JP6185191 B2 JP 6185191B2
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drying
conveyor belt
food
drying conveyor
main body
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JP2017501367A (en
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ヒョンチョル ウィ
ヒョンチョル ウィ
サンロ イ
サンロ イ
セギョン チャン
セギョン チャン
ウヒョイ チュ
ウヒョイ チュ
キム　サンヨル
サンヨル キム
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/48—Thin layer-, drum- or roller-drying
    • 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
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/08—Drying; Subsequent reconstitution
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/16—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials
    • A23L3/18—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials while they are progressively transported through the apparatus

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Drying Of Solid Materials (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Description

本発明は、穀物等を含めた食品を大量に乾燥させる食品乾燥機に関する。   The present invention relates to a food dryer for drying a large amount of food including grain.

従来の食品乾燥機は、乾燥室の内部の空気を加熱して食品を乾燥する火力乾燥方式と、低温状態で長時間乾燥する凍結乾燥方式があるが、火力乾燥方式では、乾燥室に熱風を供給し、または加熱された流体（水）を供給する方式が用いられる。   Conventional food dryers have a thermal drying method that dries food by heating the air inside the drying chamber, and a freeze drying method that dries for a long time at a low temperature. In the thermal drying method, hot air is supplied to the drying chamber. A method of supplying or supplying a heated fluid (water) is used.

火力乾燥方式は、食品を高温で加熱して乾燥するので、食品固有の組織が破壊され、形態も変質するという問題があり、凍結乾燥の場合、長時間、低温状態で乾燥されるので、食品が凍ってパサパサになり、これも組織が変形するという問題を解決できなかった。   In the thermal drying method, food is heated and dried at a high temperature, so there is a problem that the tissue unique to the food is destroyed and the shape is altered.In the case of freeze drying, the food is dried at a low temperature for a long time. However, it was not possible to solve the problem of tissue deformation.

このため、特許文献１には、乾燥室の内部空気圧を減圧させ、常温状態で空気を膨張させ、これと同時に天井に設けられた蒸発器が前記膨張された空気中に含有された水分を凝結させ、これを外部に排出させ、また天井に設けられた送風機が乾燥室の空気を強制循環させ、全体的に空気を均一に膨張及び凝結させ、食品を短時間かつ効率的に乾燥可能な食品乾燥機が開示されている。   For this reason, Patent Document 1 discloses that the internal air pressure of the drying chamber is reduced and the air is expanded at room temperature, and at the same time, an evaporator provided on the ceiling condenses moisture contained in the expanded air. Food that can be dried in a short time and efficiently by allowing the air blower provided on the ceiling to circulate the air in the drying chamber forcibly and uniformly expand and condense the air uniformly. A dryer is disclosed.

一方、工場に設置される食品乾燥機は、一回の乾燥時、大容量の食品を乾燥させなければならないので、上記した特許文献１に示すように、一般に、乾燥室に食品を積載するトレイを多段で配置し、このトレイを据え置くための別途のフレームが設けられる。したがって、食品を乾燥させるためには、先ず、フレームを乾燥機から取り出して、トレイを分離し、それぞれのトレイに手作業で食品を載せた後、それぞれのトレイをフレームに再び積載し、これを乾燥室に移動させなければならないが、これらの一連の作業は、全て手作業で行わなければならないため、作業者の多くの手間がかかることになる。また、上述のように、一回の乾燥時、大容量の食品を乾燥しなければならないので、生産性が低くなるという問題があった。しかも、トレイに入った食品は、その上部または下部にのみ加熱空気または加熱流体が供給されるので、ある一面が他面に比べてさらに乾燥されるので、乾燥品質が低下するという問題点が生じる。これを解決するために、１次加熱後、再びトレイに入った食品をひっくり返さなければならず、これも手作業によるため、生産性が悪くなるという問題点があった。   On the other hand, a food dryer installed in a factory must dry a large volume of food at one time of drying, and therefore, as shown in Patent Document 1, generally, a tray for loading food in a drying chamber. Are arranged in multiple stages, and a separate frame is provided for stationary the tray. Therefore, in order to dry the food, first, the frame is taken out of the dryer, the trays are separated, the food is manually loaded on each tray, and then each tray is loaded again on the frame. Although it must be moved to the drying room, these series of operations must all be performed manually, which requires much labor for the operator. In addition, as described above, since a large volume of food must be dried at the time of drying once, there is a problem that productivity is lowered. Moreover, since the heated air or heated fluid is supplied only to the upper or lower portion of the food contained in the tray, one surface is further dried as compared with the other surface, resulting in a problem that the dry quality is deteriorated. . In order to solve this, after the primary heating, the food contained in the tray must be turned over again, and this is also a manual operation, resulting in a problem of poor productivity.

大韓民国登録特許第０８８１８６７号（２００９．０２．０４．公開）公報Republic of Korea Registered Patent No. 0881867 (2009.2.004. Published)

本発明は、上記問題点に鑑みなされたものであり、その目的は、大容量の食品を乾燥機に迅速かつ便利に供給可能な食品乾燥機を提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a food dryer that can quickly and conveniently supply a large volume of food to the dryer.

本発明の他の目的は、大容量の食品を均一に乾燥させることができる食品乾燥機を提供することにある。   Another object of the present invention is to provide a food dryer that can uniformly dry a large volume of food.

上述した目的を達成するために、本発明による食品乾燥機は、内部に乾燥室２０を有す
る本体１０と、乾燥室２０の内部の食品を加熱及び乾燥させる加熱手段と、前記乾燥室の内部空気中に含有された水分を凝結させる冷却手段と、前記冷却手段により発生した凝結水を外部に排出するドレーン手段と、乾燥室２０の内部の空気を減圧する減圧ポンプ６０と、コントローラ５０とを備える食品乾燥機において、前記乾燥室２０には、乾燥させようとする食品が積載される乾燥コンベヤーベルト１００が高さ方向の多段で設けられ、最上段の乾燥コンベヤーベルト１００ａの一端の上部には、乾燥のための食品が投入される原料投入口１２０が対応して設けられ、最下段の乾燥コンベヤーベルト１００ｃの一端の下部には、乾燥が完了した食品が排出される原料吐出口１３０が対応して設けられる。また、前記乾燥コンベヤーベルト１００は、互いに独立して駆動されるが、互いに隣接した上下の乾燥コンベヤーベルト１００は、互いに反対方向に回転し、また互いに隣接した上下の乾燥コンベヤーベルト１００は、ある乾燥コンベヤーベルト１００が他の乾燥コンベヤーベルト１００よりも一側が引き出されて設けられ、他側が引き込まれて設けられ、前記乾燥コンベヤーベルト１００の駆動時、原料投入口１２０から最上段の乾燥コンベヤーベルト１００ａに投入される食品は、乾燥コンベヤーベルト１００を下部方向に順次経由しながら移動及び積載される。 In order to achieve the above-described object, a food dryer according to the present invention includes a main body 10 having a drying chamber 20 therein, heating means for heating and drying food in the drying chamber 20, and internal air of the drying chamber. A cooling means for condensing moisture contained therein, a drain means for discharging condensed water generated by the cooling means to the outside, a decompression pump 60 for decompressing the air inside the drying chamber 20, and a controller 50. In the food dryer, a drying conveyor belt 100 on which food to be dried is loaded is provided in multiple stages in the height direction in the drying chamber 20, and an upper part of one end of the uppermost drying conveyor belt 100a is Correspondingly, a raw material inlet 120 for feeding food for drying is provided, and at the bottom of one end of the lowermost drying conveyor belt 100c, the dried food is completed. Raw material discharge port 130 to be discharged are provided in correspondence. The drying conveyor belts 100 are driven independently from each other, but the upper and lower drying conveyor belts 100 adjacent to each other rotate in opposite directions, and the upper and lower drying conveyor belts 100 adjacent to each other have a certain drying operation. The conveyor belt 100 is provided with one side drawn out from the other drying conveyor belt 100 and provided with the other side drawn in. When the drying conveyor belt 100 is driven, the material feeding port 120 is driven to the uppermost drying conveyor belt 100a. The input food is moved and loaded while sequentially passing through the drying conveyor belt 100 in the lower direction.

前記コントローラ５０は、最下段の乾燥コンベヤーベルト１００ｃの上部の乾燥コンベヤーベルト１００ｂに食品積載が完了すると、乾燥コンベヤーベルト１００の駆動を止め、食品の投入を中止した後、食品乾燥機を駆動し、１次で食品を乾燥し、前記コントローラ５０は、１次乾燥が完了すると、乾燥コンベヤーベルト１００を駆動し、各乾燥コンベヤーベルトに積載された食品を、直下の乾燥コンベヤーベルトに移動及び積載させ、移動及び積載が完了すると、食品乾燥機を再び駆動し、２次で食品を乾燥する。   The controller 50 stops the driving of the drying conveyor belt 100 when the loading of the food on the drying conveyor belt 100b at the upper part of the lowermost drying conveyor belt 100c is stopped, and after stopping the input of the food, drives the food drying machine, When the primary drying is completed, the controller 50 drives the drying conveyor belt 100 to move and load the food loaded on each drying conveyor belt onto the drying conveyor belt directly below, When the movement and loading are completed, the food dryer is driven again to dry the food in the secondary.

前記コントローラ５０は、各乾燥コンベヤーベルト１００の速度を調節し、各乾燥コンベヤーベルト１００への食品の移動及び積載を制御するようになる。   The controller 50 adjusts the speed of each drying conveyor belt 100 to control the movement and loading of food on each drying conveyor belt 100.

一方、前記加熱手段は、前記各乾燥コンベヤーベルト１００の内部に設けられた電気ヒータ１４０が用いられ、前記電気ヒータ１４０と乾燥コンベヤーベルト１００との間には、回転ローラ１５０が設けられる。   On the other hand, as the heating means, an electric heater 140 provided inside each drying conveyor belt 100 is used, and a rotating roller 150 is provided between the electric heater 140 and the drying conveyor belt 100.

また、前記本体１０は、円筒状であり、前記本体１０及び乾燥室２０の断面は、円形状である。   Moreover, the said main body 10 is cylindrical shape, and the cross section of the said main body 10 and the drying chamber 20 is circular shape.

本発明によれば、原料投入口に食品を入れると、多段のコンベヤーベルトが駆動され、自動でコンベヤーベルトに食品が積載されるので、従来、手作業による食品の積載工程を省略するので、大容量の食品を迅速かつ便利に供給することができ、生産性が向上するという効果がある。   According to the present invention, when food is put into the raw material input port, a multi-stage conveyor belt is driven and food is automatically loaded on the conveyor belt. A large amount of food can be supplied quickly and conveniently, and the productivity is improved.

また、加熱源である電気ヒータがコンベヤーベルトの内部に設けられ、１次乾燥後、乾燥コンベヤーベルトの駆動により、食品が直下の乾燥コンベヤーベルトに移動しながら積載方向が変わり、２次乾燥を行うので、大容量の食品が均一に乾燥され、食品の乾燥品質が向上するという効果がある。   In addition, an electric heater as a heating source is provided inside the conveyor belt, and after the primary drying, the loading direction is changed while the food moves to the drying conveyor belt directly under the driving of the drying conveyor belt, and the secondary drying is performed. Therefore, there is an effect that a large volume of food is uniformly dried and the dry quality of the food is improved.

本発明の実施例による食品乾燥機を示す外観斜視図である。1 is an external perspective view showing a food dryer according to an embodiment of the present invention. 図１の食品乾燥機を示す正断面図である。It is a front sectional view which shows the food dryer of FIG. 図１の食品乾燥機を示す背面図である。It is a rear view which shows the food dryer of FIG. 図１の食品乾燥機の内部に設けられた乾燥コンベヤーベルトの動作を説明するための図である。It is a figure for demonstrating operation | movement of the drying conveyor belt provided in the inside of the food dryer of FIG.

本発明の上記した目的、特徴、及び他の長所は、添付した図面を参照して、本発明の好適な実施例について詳述することにより、さらに明白になるだろう。以下、添付した図面を参照して、本発明の実施例による食品乾燥機について詳述する。   The above objects, features, and other advantages of the present invention will become more apparent from the detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. Hereinafter, a food dryer according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

図１は、本発明の実施例による食品乾燥機を示す外観斜視図であり、図２は、図１の食品乾燥機を示す正断面図であり、図３は、図１の食品乾燥機を示す背面図である。   FIG. 1 is an external perspective view showing a food dryer according to an embodiment of the present invention, FIG. 2 is a front sectional view showing the food dryer of FIG. 1, and FIG. 3 shows the food dryer of FIG. FIG.

図１乃至図３を参照すると、本発明の実施例による食品乾燥機は、内部に乾燥室２０を有する本体１０と、乾燥室の内部に積載された食品を加熱する加熱手段と、乾燥室の内部空気中に含有された水分を凝結させる冷却手段と、冷却手段により発生した凝結水を外部に排出するドレーン手段と、乾燥室２０の内部の空気を減圧する減圧ポンプと、食品乾燥機の全体の動作を制御するコントローラ５０と、を備える。また、乾燥室２０には、乾燥させようとする食品が積載される乾燥コンベヤーベルト１００が高さ方向の多段で設けられる。   1 to 3, a food dryer according to an embodiment of the present invention includes a main body 10 having a drying chamber 20 therein, heating means for heating food loaded in the drying chamber, and a drying chamber. Cooling means for condensing moisture contained in the internal air, drain means for discharging condensed water generated by the cooling means to the outside, a decompression pump for decompressing the air inside the drying chamber 20, and the entire food dryer And a controller 50 for controlling the operation of. Also, the drying chamber 20 is provided with drying conveyor belts 100 on which foods to be dried are stacked in multiple stages in the height direction.

本体１０が、円筒状であるので、内部の乾燥室２０も、断面が略円形状を有する。また、本体１０の前面または後面には、開閉可能な出入口１２が設けられる。一方、図示していないが、本体の前面や側面または後面には、食品の乾燥状態及び食品の積載状態を確認可能な透明窓が設けられてもよい。また、図示していないが、本体の内側面には断熱材等が設けられ、乾燥室の内部を断熱させることがよい。   Since the main body 10 is cylindrical, the internal drying chamber 20 also has a substantially circular cross section. An opening / closing port 12 that can be opened and closed is provided on the front or rear surface of the main body 10. On the other hand, although not shown, a transparent window capable of confirming a dry state of food and a loaded state of food may be provided on the front surface, side surface, or rear surface of the main body. Although not shown, it is preferable that a heat insulating material or the like is provided on the inner side surface of the main body to insulate the inside of the drying chamber.

また、本体１０の上面の側部には、本体の内部に食品を投入するための開閉ドア１４が設けられ、この開閉ドア１４は、乾燥室の内部に設けられた原料投入口１２０（図４参照）と対応する位置に配置される。また、図示していないが、本体１０の下面の側部にも開閉ドアが設けられ、この開閉ドアは、乾燥室の内部に設けられた原料吐出口１３０（図４参照）と対応する位置に配置される。   In addition, an opening / closing door 14 is provided on the side of the upper surface of the main body 10 to input food into the main body. The opening / closing door 14 is provided with a raw material input port 120 (FIG. 4) provided in the drying chamber. Reference) and the corresponding position. Although not shown, an opening / closing door is also provided on the side of the lower surface of the main body 10, and this opening / closing door is located at a position corresponding to the material discharge port 130 (see FIG. 4) provided inside the drying chamber. Be placed.

本体１０の内部の上部には、区画部材３０が設けられ、区画部材３０により、本体１０の上部と乾燥室２０が分離される。区画部材３０は、冷却手段の一部の構成要素と送風ファン９０等を支持するように設けられる平面部３２と、平面部３２から延長され、送風ファン９０により乾燥室２０から流入した空気をさらに乾燥室２０に案内するガイド部３４と、を備える。図示のように、本体１０の断面が略円形状であるので、ガイド部３４も、その断面が一定の曲率半径を有する円弧状をなす。本発明の好適な実施例によると、このように、本体１０を円筒状とすることにより、本体１０及び乾燥室２０の断面が略円形状となるので、空気の流動がさらに円滑に行われるという利点がある。しかし、本発明の範囲はこれに限定されず、本体及び乾燥室の断面が四角形状であってもよく、これも本発明の範囲に属する。   A partition member 30 is provided in the upper part of the inside of the main body 10, and the partition member 30 separates the upper part of the main body 10 and the drying chamber 20. The partition member 30 includes a flat part 32 provided so as to support some components of the cooling unit, the blower fan 90, and the like, and extends from the flat part 32, and further receives air flowing from the drying chamber 20 by the blower fan 90. And a guide portion 34 for guiding the drying chamber 20. As shown in the figure, since the cross section of the main body 10 is substantially circular, the guide portion 34 also has an arc shape whose cross section has a constant radius of curvature. According to a preferred embodiment of the present invention, since the main body 10 has a cylindrical shape as described above, the cross section of the main body 10 and the drying chamber 20 becomes substantially circular, so that the air flow is performed more smoothly. There are advantages. However, the scope of the present invention is not limited to this, and the cross section of the main body and the drying chamber may be square, and this also belongs to the scope of the present invention.

区画部材３０の上面には、冷却手段の一部の構成要素と送風ファン９０が設けられる。区画部材３０は、中央に一定の空間が形成されるように、１対が設けられ、この空間の間に送風ファン９０により空気が吸入されて流動するようになる。   On the upper surface of the partition member 30, some components of the cooling unit and the blower fan 90 are provided. The partition member 30 is provided with a pair so that a constant space is formed at the center, and air is sucked and flows between the spaces by the blower fan 90.

冷却手段は、通常の冷凍サイクルが用いられ、すなわち、冷媒を圧縮する圧縮機７１と、圧縮機７１とパイプで連結され、圧縮機で圧縮された高温・高圧の冷媒を乾燥室２０の内部の空気と熱交換させ、高温の液体状態に相変化させる凝縮器７２と、凝縮器７２とパイプで連結され、凝縮器７２を通過した冷媒を急に膨張させ、低温・低圧状態とする膨張弁７４と、膨張弁７４及び圧縮機７１とパイプで連結され、膨張弁７４を通過した冷媒を蒸発させることにより、周辺の空気を冷却させ、凝結水とする蒸発器７５と、を有する。
ここで、図示のように、凝縮器７２と膨張弁７４及び蒸発器７５は、本体１０の内部の区画部材３０の上面にそれぞれ設けられ、圧縮機７１は、本体１０の外部に設けられる。 As the cooling means, a normal refrigeration cycle is used, that is, a compressor 71 that compresses the refrigerant, and a high-temperature and high-pressure refrigerant that is connected to the compressor 71 by a pipe and is compressed by the compressor inside the drying chamber 20. A condenser 72 that exchanges heat with air and changes phase to a high-temperature liquid state, and an expansion valve 74 that is connected to the condenser 72 by a pipe and suddenly expands the refrigerant that has passed through the condenser 72 to a low-temperature / low-pressure state. And an evaporator 75 which is connected to the expansion valve 74 and the compressor 71 by a pipe and evaporates the refrigerant which has passed through the expansion valve 74 to cool the surrounding air and use it as condensed water.
Here, as illustrated, the condenser 72, the expansion valve 74, and the evaporator 75 are provided on the upper surface of the partition member 30 inside the main body 10, and the compressor 71 is provided outside the main body 10.

通常の冷却システムは、公知のように、圧縮機、凝縮器、膨張弁、蒸発器が互いに有機的に連結され、これらの間を作業流体が流れながら室内を冷房するが、これは、前記圧縮機がパイプ内の冷媒（作業流体）を圧縮し、高温・高圧の気体状態として凝縮器に送り、前記凝縮器は、この高温・高圧の冷媒を外気と熱交換させ、液体状態に相変化させてから膨張弁に送り、前記膨張弁は、液体の冷媒を急に膨張させ、低温・低圧の霜状として蒸発器に送り、前記蒸発器は、冷媒を用いて、室内の空気を吸熱して冷房させ、前記熱交換された冷媒を再び圧縮機に送ることを繰り返すことになる。   In a conventional cooling system, as is well known, a compressor, a condenser, an expansion valve, and an evaporator are organically connected to each other, and a working fluid flows between them to cool the interior of the room. The machine compresses the refrigerant (working fluid) in the pipe and sends it to the condenser as a high-temperature and high-pressure gas state. The condenser causes the high-temperature and high-pressure refrigerant to exchange heat with the outside air and changes the phase to a liquid state. After that, the expansion valve suddenly expands the liquid refrigerant and sends it to the evaporator as a low-temperature / low-pressure frost, and the evaporator absorbs indoor air using the refrigerant. It cools and it repeats sending the said heat-exchanged refrigerant | coolant to a compressor again.

ドレーン手段は、蒸発器７５の下部に設けられ、蒸発器７５により凝結される凝結水を集水する集水部材８１と、集水部材８１と連結され、本体１０の外部に引き出され、凝結水を外部に案内する案内管８２と、案内管８２と連結され、凝結水を貯蔵し、下部に形成された出口に開閉弁が設けられた貯蔵タンク８３と、を有する。前記ドレーン手段は、乾燥室２０の内部に２つの蒸発器７５が設けられるので、これに対応して２つの前記集水部材８１が設けられ、前記２つの集水部材８１は、１つの案内管８２に連結されることが好ましい。   The drain means is provided at the lower part of the evaporator 75, is connected to the water collecting member 81 for collecting condensed water condensed by the evaporator 75, and the water collecting member 81, and is drawn out to the outside of the main body 10. And a storage tank 83 connected to the guide pipe 82 for storing condensed water and having an opening / closing valve at an outlet formed in the lower part. Since the drain means is provided with two evaporators 75 inside the drying chamber 20, two water collecting members 81 are provided corresponding to the two evaporators 75, and the two water collecting members 81 have one guide tube. 82 is preferably connected.

送風ファン９０は、本体の長手方向に複数個が設けられる。このような送風ファン９０は、乾燥室２０の空気を側方向に移動させ、乾燥室２０の空気が本体１０の内側壁面と前記区画部材３０との間に循環され、乾燥コンベヤーベルト１００に送られてから、再び送風ファン９０の内部に流入する経路を繰り返して行うようにする。   A plurality of blower fans 90 are provided in the longitudinal direction of the main body. Such a blower fan 90 moves the air in the drying chamber 20 in the lateral direction, and the air in the drying chamber 20 is circulated between the inner wall surface of the main body 10 and the partition member 30 and sent to the drying conveyor belt 100. After that, the route that flows into the blower fan 90 is repeated.

減圧ポンプ６０は、本体１０の外部に設けられたキャビネット６２に収納され、連結パイプ６０ａは、本体１０の内部の上部に連結され、乾燥室を減圧させる。減圧ポンプを用いない場合、乾燥室の内部は、大気圧状態となるので、室内空気が圧力差により膨張される現象が発生しない。しかし、前記減圧ポンプ６０を用いて、室内空気を外部に排出し、乾燥室の内部圧力を低くすると、それほど室内空気は膨張され、軽くなり、運動が活発になる。   The decompression pump 60 is housed in a cabinet 62 provided outside the main body 10, and the connection pipe 60 a is connected to the upper part inside the main body 10 to decompress the drying chamber. When the decompression pump is not used, the inside of the drying chamber is in an atmospheric pressure state, so that the phenomenon that the indoor air is expanded due to the pressure difference does not occur. However, if the decompression pump 60 is used to exhaust the room air to the outside and the internal pressure of the drying chamber is lowered, the room air is expanded and lightened so much that exercise becomes active.

このように、本発明は、冷却手段と送風ファン及び減圧ポンプにより、乾燥室の内部空気圧を減圧させ、常温状態で空気を膨張させ、これと同時に、本体の上部に設けられた蒸発器が、膨張された空気中に含有された水分を凝結させ、これを外部に排出させ、また、天井に設けられた送風ファンが乾燥室の空気を強制循環させ、全体的に空気を均一に膨張と凝結させ、食品を短時間かつ効率的に乾燥させるようになる。これについての詳細な構造と原理等は、特許文献１に開示されているので、詳細な説明を省略する。   As described above, the present invention reduces the internal air pressure of the drying chamber by the cooling means, the blower fan, and the decompression pump, and expands the air at room temperature, and at the same time, the evaporator provided on the upper portion of the main body is Moisture contained in the expanded air is condensed and discharged to the outside, and a blower fan installed on the ceiling forcibly circulates the air in the drying room, so that the air is uniformly expanded and condensed as a whole. And the food is dried efficiently in a short time. Since the detailed structure and principle of this are disclosed in Patent Document 1, detailed description thereof is omitted.

図４は、乾燥室の内部に設けられた乾燥コンベヤーベルト１００を示す拡大斜視図である。   FIG. 4 is an enlarged perspective view showing the drying conveyor belt 100 provided inside the drying chamber.

図２及び図４を参照すると、乾燥対象の食品が積載される乾燥コンベヤーベルト１００は、乾燥室２０に長手方向に設けられ、乾燥室２０の高さ方向に多段で設けられる。本発明の実施例によると、乾燥コンベヤーベルト１００が５段からなるが、本発明は、これに限定されず、乾燥容量または設計者の意図により、それ以上設けられてもよい。   2 and 4, the drying conveyor belt 100 on which the food to be dried is loaded is provided in the drying chamber 20 in the longitudinal direction, and is provided in multiple stages in the height direction of the drying chamber 20. According to the embodiment of the present invention, the drying conveyor belt 100 has five stages, but the present invention is not limited to this, and more may be provided depending on the drying capacity or the intention of the designer.

各乾燥コンベヤーベルト１００の内部には、電気ヒータ１４０が設けられ、乾燥コンベヤーベルト１００に積載された食品を加熱及び乾燥させる。また、乾燥コンベヤーベルトが移動し続けるので、電気ヒータ１４０と乾燥コンベヤーベルト１００との間には、回転ローラ１５０が設けられる。   Each drying conveyor belt 100 is provided with an electric heater 140 for heating and drying foods loaded on the drying conveyor belt 100. Further, since the drying conveyor belt continues to move, a rotating roller 150 is provided between the electric heater 140 and the drying conveyor belt 100.

一方、最上段の乾燥コンベヤーベルト１００ａの一端の上部には、乾燥のための食品が投入される原料投入口１２０が対応して設けられ、最下段の乾燥コンベヤーベルト１００ｃの一端の下部には、乾燥が完了した食品が排出される原料吐出口１３０が対応して設けられる。この原料投入口１２０及び原料吐出口１３０は、上述した本体１０の上端及び下端に設けられた開閉ドア１４（図１参照）と対応して設けられ、これにより原料（食品）を投入して乾燥コンベヤーベルト１００に積載することができる。   On the other hand, an upper part of one end of the uppermost drying conveyor belt 100a is provided with a raw material charging port 120 into which food for drying is input, and a lower part of one end of the lowermost drying conveyor belt 100c A raw material discharge port 130 through which the dried food is discharged is provided correspondingly. The raw material inlet 120 and the raw material outlet 130 are provided corresponding to the open / close doors 14 (see FIG. 1) provided at the upper end and the lower end of the main body 10 described above. The conveyor belt 100 can be loaded.

前記乾燥コンベヤーベルト１００は、互いに独立して駆動するが、各段の乾燥コンベヤーベルト１００は、別途の駆動源（図示せず）で駆動され、コントローラ５０は、前記それぞれの駆動源を制御し、乾燥コンベヤーベルト１００の動作を制御するようになる。一方、図示のように、最下段の乾燥コンベヤーベルト１００ｃを除いては、上下に互いに隣接した乾燥コンベヤーベルト１００は、互いに反対方向に移動する。また、図示のように、互いに隣接した上下の乾燥コンベヤーベルト１００は、ジグザグに設置されるが、すなわち、ある乾燥コンベヤーベルト１００が隣接した他の乾燥コンベヤーベルト１００よりも、一側が引き出され、他側が引き込まれるように設けられる。   The drying conveyor belts 100 are driven independently of each other, but each stage of the drying conveyor belt 100 is driven by a separate driving source (not shown), and the controller 50 controls the respective driving sources, The operation of the drying conveyor belt 100 is controlled. On the other hand, as shown in the drawing, except for the lowermost drying conveyor belt 100c, the drying conveyor belts 100 adjacent to each other vertically move in opposite directions. Further, as shown in the drawing, the upper and lower drying conveyor belts 100 adjacent to each other are installed in a zigzag manner, that is, one drying conveyor belt 100 is pulled out from the other adjacent drying conveyor belts 100, and the other It is provided so that the side is drawn.

したがって、コントローラ５０の制御により、乾燥コンベヤーベルト１００の駆動時、原料投入口１２０から最上段の乾燥コンベヤーベルト１００ａに投入される食品は、乾燥コンベヤーベルト１００を下部方向へ順次経由しながら移動する。   Therefore, under the control of the controller 50, when the drying conveyor belt 100 is driven, the food fed from the raw material charging port 120 to the uppermost drying conveyor belt 100a moves while sequentially passing through the drying conveyor belt 100 in the lower direction.

一方、本発明の食品乾燥機によると、食品乾燥を２段階にわたって進行する。先ず、コントローラ５０は、乾燥コンベヤーベルト１００を駆動し、最下段の乾燥コンベヤーベルト１００ｃの上部の乾燥コンベヤーベルト１００ｂまで食品を積載させる。ここで、乾燥コンベヤーベルト１００の移動方向は、上から順に矢印Ａ１→Ａ２→Ａ３→Ａ４のようになる。積載が完了すると、各乾燥コンベヤーベルト１００の駆動を止め、食品の投入を中止させた後、食品乾燥機を駆動し、１次で食品を乾燥させる。コントローラ５０は、最下段の乾燥コンベヤーベルト１００ｃの上部の乾燥コンベヤーベルト１００ｂまで食品が全て積載されると、これを警告音や警告灯の報知にて作業者に知らせ、作業者が食品の投入を中止させたり、または原料投入口１２０を自動で閉めたりしてもよい。   On the other hand, according to the food dryer of the present invention, food drying proceeds in two stages. First, the controller 50 drives the drying conveyor belt 100 to load the food up to the drying conveyor belt 100b on the uppermost drying conveyor belt 100c. Here, the moving direction of the drying conveyor belt 100 is as shown by arrows A1 → A2 → A3 → A4 in order from the top. When the loading is completed, the driving of each drying conveyor belt 100 is stopped and the input of the food is stopped, and then the food dryer is driven to dry the food in the primary. When all the food is loaded up to the drying conveyor belt 100b at the upper part of the lowermost drying conveyor belt 100c, the controller 50 informs the operator of this by a warning sound or warning light, and the operator inputs the food. It may be stopped or the raw material inlet 120 may be automatically closed.

１次乾燥が完了すると、コントローラ５０は、乾燥動作を止め、再び乾燥コンベヤーベルト１００を駆動し、各乾燥コンベヤーベルト１００に積載された食品を直下の乾燥コンベヤーベルト１００に移動させる。すなわち、各乾燥コンベヤーベルト１００に積載された食品は、１段ずつ移動して、直下の乾燥コンベヤーベルト１００に移動及び積載される。したがって、最上段の乾燥コンベヤーベルト１００ａには、食品がなく、最下段の乾燥コンベヤーベルト１００ｃには、食品が積載されるようになる。ここで、最下段の乾燥コンベヤーベルト１００ｃを除いた乾燥コンベヤーベルト１００の移動方向は、上述したように、上から順にＡ１〜Ａ４であるが、最下段の乾燥コンベヤーベルト１００ｃは、矢印Ｂ１のように移動する。   When the primary drying is completed, the controller 50 stops the drying operation, drives the drying conveyor belt 100 again, and moves the food loaded on each drying conveyor belt 100 to the drying conveyor belt 100 directly below. That is, the food loaded on each drying conveyor belt 100 moves one step at a time, and is moved and loaded on the drying conveyor belt 100 directly below. Therefore, there is no food on the uppermost drying conveyor belt 100a, and food is loaded on the lowermost drying conveyor belt 100c. Here, the moving direction of the drying conveyor belt 100 excluding the lowermost drying conveyor belt 100c is A1 to A4 in order from the top as described above, but the lowermost drying conveyor belt 100c is as indicated by an arrow B1. Move to.

ここで、乾燥コンベヤーベルト１００が駆動して、食品が直下の乾燥コンベヤーベルトに落ちるとき、食品の積載方向が変わることになる。すなわち、食品が下側の乾燥コンベヤーベルトに落ちながら方向が変わり、その状態で積載される。したがって、本発明によると、食品の乾燥が上下において均一に行われるという利点がある。   Here, when the drying conveyor belt 100 is driven and the food falls on the drying conveyor belt immediately below, the loading direction of the food is changed. That is, the direction of food changes while falling on the lower drying conveyor belt, and the food is loaded in that state. Therefore, according to this invention, there exists an advantage that drying of a foodstuff is performed uniformly up and down.

移動が完了すると、コントローラ５０は、食品乾燥機を駆動して、２次で食品を乾燥するようになる。２次乾燥が完了すると、コントローラ５０は、再び乾燥コンベヤーベルト１００を駆動し、食品を原料吐出口１３０から送り出す。ここで、先ず、最下段の乾燥コンベヤーベルト１００ｃを駆動して、食品を移動させなければならないが、本発明の実施
例によると、原料吐出口１３０が右側端にあるので、このときは、矢印Ｂ２のように移動させなければならない。しかし、原料吐出口が左側端にあってもよく、このときは、矢印Ｂ１のように移動させればよい。最下段の乾燥コンベヤーベルト１００ｃに積載された食品が全て原料吐出口１３０を抜け出すと、コントローラ５０は、残りの乾燥コンベヤーベルトを駆動して、食品を下部のコンベヤーベルトに順次移動させ、原料吐出口から送り出し、全て抜け出したら、乾燥コンベヤーベルトの駆動を止める。 When the movement is completed, the controller 50 drives the food dryer to dry the food in the secondary. When the secondary drying is completed, the controller 50 drives the drying conveyor belt 100 again and feeds the food from the raw material discharge port 130. Here, first, the food must be moved by driving the lowermost drying conveyor belt 100c. However, according to the embodiment of the present invention, the raw material discharge port 130 is located on the right end, and at this time, the arrow It must be moved like B2. However, the raw material discharge port may be at the left end, and in this case, it may be moved as shown by an arrow B1. When all of the food loaded on the lowermost drying conveyor belt 100c exits the raw material discharge port 130, the controller 50 drives the remaining drying conveyor belt to sequentially move the food to the lower conveyor belt, and the raw material discharge port. When all of them are pulled out, stop driving the drying conveyor belt.

コントローラ５０は、予め設定された各乾燥コンベヤーベルト１００の速度を計算及び調節し、乾燥コンベヤーベルト１００への食品の移動及び積載を制御するようになる。   The controller 50 calculates and adjusts the preset speed of each drying conveyor belt 100 to control the movement and loading of food on the drying conveyor belt 100.

以上のように、本発明によると、開閉ドアから原料吐出口に食品を入れると、多段の乾燥コンベヤーベルトが駆動され、自動でコンベヤーベルトに食品が積載されるので、従来、手作業による食品の積載工程を省略するので、大容量の食品を迅速かつ便利に供給することができ、生産性が向上するという効果がある。また、加熱源である電気ヒータが乾燥コンベヤーベルトの内部に設けられ、１次乾燥後、乾燥コンベヤーベルトの駆動により、食品が、直下の乾燥コンベヤーベルトに移動しながら、積載方向が変わり、２次乾燥を行うので、大容量の食品が均一に乾燥され、食品の乾燥品質が向上するという効果がある。   As described above, according to the present invention, when food is put into the raw material discharge port from the open / close door, the multi-stage drying conveyor belt is driven, and food is automatically loaded on the conveyor belt. Since the loading process is omitted, a large amount of food can be supplied quickly and conveniently, and the productivity is improved. In addition, an electric heater as a heating source is provided inside the drying conveyor belt, and after the primary drying, the loading direction changes while the food moves to the drying conveyor belt directly below by driving the drying conveyor belt. Since drying is performed, a large volume of food is uniformly dried, and the dry quality of the food is improved.

以上、本発明の好適な実施例について説明したが、本発明は、上述した特定の実施例に限定されるものではない。すなわち、本発明の属する技術の分野における通常の知識を有する者であれば、添付の特許請求の範囲の思想及び範疇を逸脱しない範囲で、本発明に対する多数の変更及び修正が可能であり、そのような全ての適切な変更及び修正の均等物も、本発明の範囲に属するものと見なさなければならない。   The preferred embodiments of the present invention have been described above, but the present invention is not limited to the specific embodiments described above. That is, a person having ordinary knowledge in the technical field to which the present invention pertains can make many changes and modifications to the present invention without departing from the spirit and scope of the appended claims. All such equivalents of appropriate changes and modifications should be considered within the scope of the present invention.

本発明は、工場等に設置され、穀物等を含めた多様な食品を大量に乾燥させる食品乾燥機に関し、産業上の利用可能性がある。   The present invention relates to a food dryer installed in a factory or the like and drying a large amount of various foods including grains and the like, and has industrial applicability.

Claims (5)

内部に乾燥室２０を有する本体１０と、乾燥室２０の内部の食品を加熱及び乾燥させる加熱手段と、コントローラ５０とを備える食品乾燥機において、
前記乾燥室２０には、乾燥させようとする食品が積載される乾燥コンベヤーベルト１００が高さ方向の多段で設けられ、最上段の乾燥コンベヤーベルト１００ａの一端の上部には、乾燥のための食品が投入される原料投入口１２０が対応して設けられ、最下段の乾燥コンベヤーベルト１００ｃの一端または他端の下部には、乾燥が完了した食品が排出される原料吐出口１３０が対応して設けられ、
前記乾燥コンベヤーベルト１００は、互いに独立して駆動されるが、最下段の乾燥コンベヤーベルト１００ｃを除いて、互いに隣接した上下の乾燥コンベヤーベルト１００は、互いに反対方向に移動し、また互いに隣接した上下の乾燥コンベヤーベルト１００は、ある乾燥コンベヤーベルト１００が他の乾燥コンベヤーベルト１００よりも一側が引き出されて設けられ、他側が引き込まれて設けられ、
前記乾燥コンベヤーベルト１００の駆動時、原料投入口１２０から最上段の乾燥コンベヤーベルト１００ａに投入される食品は、乾燥コンベヤーベルト１００を下部方向に順次経由しながら移動及び積載され、
前記コントローラ５０は、最下段の乾燥コンベヤーベルト１００ｃの上部の乾燥コンベヤーベルト１００ｂに食品積載が完了すると、乾燥コンベヤーベルト１００の駆動を止め、食品の投入を中止した後、食品乾燥機を駆動し、１次で食品を乾燥し、
前記コントローラ５０は、１次乾燥が完了すると、乾燥コンベヤーベルト１００を駆動し、各乾燥コンベヤーベルトに積載された食品を、直下の乾燥コンベヤーベルトに移動及び積載させ、移動及び積載が完了すると、食品乾燥機を再び駆動し、２次で食品を乾燥する
ことを特徴とする食品乾燥機。 In a food dryer comprising a main body 10 having a drying chamber 20 therein, heating means for heating and drying food in the drying chamber 20, and a controller 50,
In the drying chamber 20, drying conveyor belts 100 on which foods to be dried are loaded are provided in multiple stages in the height direction, and food for drying is placed on the upper end of one end of the uppermost drying conveyor belt 100a. Is provided correspondingly, and a lower part of one end or the other end of the lowermost drying conveyor belt 100c is provided with a corresponding material discharge port 130 through which the dried food is discharged. And
The drying conveyor belts 100 are driven independently from each other. Except for the lowermost drying conveyor belt 100c, the upper and lower drying conveyor belts 100 move in opposite directions and are adjacent to each other. The drying conveyor belt 100 is provided such that one drying conveyor belt 100 is provided with one side pulled out from the other drying conveyor belt 100 and the other side is drawn in,
When the drying conveyor belt 100 is driven, the food that is fed from the raw material inlet 120 to the uppermost drying conveyor belt 100a is moved and loaded while sequentially passing through the drying conveyor belt 100 in the lower direction ,
The controller 50 stops the driving of the drying conveyor belt 100 when the loading of the food on the drying conveyor belt 100b at the upper part of the lowermost drying conveyor belt 100c is stopped, and after stopping the input of the food, drives the food drying machine, Drying the food in the primary,
When the primary drying is completed, the controller 50 drives the drying conveyor belt 100 to move and load the food loaded on each drying conveyor belt onto the drying conveyor belt immediately below, and when the movement and loading are completed, A food dryer, wherein the dryer is driven again to dry the food in the second order . 前記コントローラ５０が、各乾燥コンベヤーベルト１００の速度を調節し、各乾燥コンベヤーベルト１００への食品の移動及び積載を制御することを特徴とする
請求項１に記載の食品乾燥機。 The food dryer according to claim 1, wherein the controller (50) controls the movement and loading of food on each drying conveyor belt (100) by adjusting the speed of each drying conveyor belt (100). 前記加熱手段は、前記各乾燥コンベヤーベルト１００の内部に設けられた電気ヒータ１４０が用いられ、
前記電気ヒータ１４０と乾燥コンベヤーベルト１００との間には、回転ローラ１５０が設けられる
ことを特徴とする請求項１に記載の食品乾燥機。 As the heating means, an electric heater 140 provided inside each drying conveyor belt 100 is used,
The food dryer according to claim 1, wherein a rotating roller 150 is provided between the electric heater 140 and the drying conveyor belt 100. 前記本体１０が円筒状である
ことを特徴とする請求項１に記載の食品乾燥機。 The food dryer according to claim 1, wherein the main body (10) has a cylindrical shape. 前記本体１０の内部の上部には、本体１０の上部空間と前記乾燥室２０を分離する区画部材３０が設けられ、
前記本体１０の上部空間には、前記乾燥室の内部空気中に含有された水分を凝結させる冷却手段と、前記冷却手段により発生した凝結水を外部に排出するドレーン手段と、乾燥室２０の内部の空気を循環させる送風ファン９０が設けられる
ことを特徴とする請求項１に記載の食品乾燥機。 A partition member 30 that separates the upper space of the main body 10 and the drying chamber 20 is provided in the upper part of the main body 10.
In the upper space of the main body 10, cooling means for condensing moisture contained in the internal air of the drying chamber, drain means for discharging condensed water generated by the cooling means to the outside, and the inside of the drying chamber 20 The food dryer according to claim 1, further comprising a blower fan that circulates the air.
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