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JP4279020B2 - Food cooling equipment - Google Patents
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JP4279020B2 - Food cooling equipment - Google Patents

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Publication number
JP4279020B2
JP4279020B2 JP2003079879A JP2003079879A JP4279020B2 JP 4279020 B2 JP4279020 B2 JP 4279020B2 JP 2003079879 A JP2003079879 A JP 2003079879A JP 2003079879 A JP2003079879 A JP 2003079879A JP 4279020 B2 JP4279020 B2 JP 4279020B2
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Japan
Prior art keywords
duct
cloth
food
surface portion
cold air
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Expired - Fee Related
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JP2003079879A
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Japanese (ja)
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JP2004286326A (en
Inventor
宏明 酒井
栄一 山下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Environmental Systems and Engineering Co Ltd
Kewpie Corp
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QP Corp
Panasonic Environmental Systems and Engineering Co Ltd
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Priority to JP2003079879A priority Critical patent/JP4279020B2/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/963Off-grid food refrigeration

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  • Duct Arrangements (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、作業台やコンベア上のカット野菜等の食品を冷却する冷却装置に関にするものである。
【0002】
【従来の技術】
近年、予め所望の形状にカットした野菜を袋やカップに充填した野菜パックが盛んに流通されており、このようなカット野菜は、袋やカップに充填し、梱包、出荷、販売に至るまでの工程を一定の低温状態に保って鮮度を維持することが行われている。従来、この種野菜等の冷却装置に関しては、各種のものが提案され、知られている。
【0003】
例えば、コンベア上に冷気を吐出する冷気吐出ダクトを、円筒状のソックダクト(布製ダクト)により構成し、このソックダクトから冷気を吐出させると、ソックダクトの下部の布を通過することにより冷気をベルトコンベア上に到達させ、また、このソックダクトの上部から密度の高い布を通過した冷気によりソックダクトの上部の結露を防止するコンベア冷却装置で、必要に応じて前記冷却装置を複数連設して製造ラインを構成したものが知られている(例えば、特開平11−83275号公報)。
【0004】
また、円筒状のソックダクトの上部を防風部材、下部を通風部材にて形成し、前記防風部材は、樹脂、アルミ蒸着された布、極薄の金属板(例えば、アルミ箔)などで蛇腹状に形成して伸縮自在として、下部の通風部材は通風性のある布を用いて、任意に円筒状のソックダクトの長さを変更し、冷却コンベアの搬送方向の冷却範囲を調節する冷却装置で、必要に応じて前記冷却装置を複数連設して製造ラインを構成するものが知られている(例えば、特開2001−241827号公報)。
【0005】
また、長手方向に延在し、上面が開口する断熱箱体と、この断熱箱体内に設けられ長手方向に延在する冷気ダクトと、この冷気ダクトの適所に設けられ冷気ダクトを閉塞可能とする電動弁とを備えた低温コンベア装置で、電動弁にて冷気ダクトの途中を閉塞し、この電動弁より先に冷気が送られないようにして必要な区域のみを冷却する低温コンベア装置が知られている(例えば、特開平2001−108346号公報)。
【0006】
【特許文献1】
特開平11−83275号公報(第2〜3頁、第2図、第3図)
【0007】
【特許文献2】
特開2001−241827号公報(第2〜3頁、第1図、第2図)
【0008】
【特許文献3】
特開2001−108346号公報(第2〜3頁、第3図、第5図)
【0009】
【発明が解決しようとする課題】
食品の各製造工程における作業台やコンベア上では、食品自体の状態(露出、バケット中・カップ、袋入り・食品の広がり状態等)、移動や搬送形態、加工、検査工程において、各工程の条件に合わせて野菜等の食品の確実な低温維持が必要であり、また食品の種類、加工形態等の変更に際して工場のレイアウト構成や食品冷却の最適条件への対応性が求められる。
【0010】
しかしながら、上記従来の作業台やコンベア上等の食品を冷却する冷却装置おいては、一つの冷却装置を用いるかまたはこれを多数連設させて製造ラインを構成するため、食品の種類、加工形態等に応じた食品冷却の最適条件への対応性、製造工程の変更の自由さに欠けるとともに、工場内に立体的な製造ラインを構成しにくいなどの課題がある。
【0011】
本発明は、前記従来のような課題を解決するもので、カット野菜等の低温に維持する必要のある食品の加工製造工程において、食品の種類、加工形態等に応じて各製造工程中の必要な冷却部位を効率的に冷却するとともに、食品に冷気を吹き出す複数の布製吹出ダクトを最適に配置できるようにし、冷却装置全体の構成の簡略化と製造工程の変更等にも柔軟に対応する食品冷却装置を提供することを目的とする。
【0012】
【課題を解決するための手段】
請求項1に記載の発明は、
冷却機と、
前記冷却機で発生した冷気を搬送する搬送ダクトと、
前記搬送ダクトに接続され、被冷却対象物が置かれる作業台またはコンベアの上方部に所定の距離をおいて配置されて、下面部は上面部よりも通気抵抗が小さい布製吹出ダクトと、
前記布製吹出ダクトの前記下面部を変形させる吊り部材を有する食品冷却装置を提供するものである
【0013】
これによって布製吹出ダクトの下面部からの冷気の吹き出し角度を、より広角に調整、設定することができる。したがって布製吹出ダクトの基本形の共用化、製造工程での必要な冷却部位の形態に幅広く対応することが可能となる。
【0014】
請求項2に記載の発明は、
前記布製吹出ダクトの上面部は補強部材を有する請求項1に記載された食品冷却装置を提供するものである。
【0015】
これによって円筒状の布製吹出ダクトの外径(太さ)を同一としても、より広角に冷気の吹き出し幅を調整、設定することができる。したがって円筒状の布製吹出ダクトの基本形の共用化、製造工程での必要な冷却部位の形態に幅広く対応することが可能となる。
【0016】
請求項3に記載の発明は、
前記吊り部材は、前記布製吹出ダクトの前記上面部を貫通して前記下面部に固定された請求項1または2のいずれかの請求項に記載された食品冷却装置を提供するものである。
【0017】
これによってより広角の冷気の吹き出し幅を調整、設定することができる。したがって円筒状の布製吹出ダクトの基本形の共用化、製造工程での必要な冷却部位の形態に幅広く対応することが可能となる。
【0018】
請求項4に記載の発明は、
断面形状が少なくとも円形状および矩形状の2種類の前記布製吹出ダクトを有している請求項1乃至3のいずれか1の請求項に記載された食品冷却装置を提供するものである。
【0019】
これによって低温に維持する必要のある食品の加工製造工程において、食品の種類、加工形態等に応じて、布製吹出ダクトの断面形状を選択して、各製造工程中の必要な冷却部位を効率的に冷却するとともに食品に冷気を吹き出す複数の布製吹出ダクトを最低に配置できるようにし、冷却装置全体の構成の簡略化と製造工程の変更、立体的な製造工程の配置等にも柔軟に対応する食品冷却装置を提供することができる。
【0020】
請求項5に記載の発明は、
前記搬送ダクトは通気性を有する布製である請求項1乃至4のいずれか1の請求項に記載された食品冷却装置を提供するものである。
【0021】
これによって搬送ダクトの全周から結露をさせない程度の冷気を噴出することで、ダクト自体の結露を防止するので搬送ダクトの断熱対策が不要となり装置の簡略化を図ることができる。またカビ繁殖の要因となる結露の防止により衛生的な状態を維持できる。
【0022】
請求項6に記載の発明は、
前記布製吹出ダクトを前記搬送ダクトと脱着自在にした請求項1乃至5のいずれか1の請求項に記載された食品冷却装置を提供するものである。
【0023】
これによって必要な冷却部位の様々な要求条件に合わせて布製吹出ダクトを選択して配置することがより容易となり、無駄のない効率的な冷却をすることができるとともに製造工程の変更等にも柔軟に対応することができる。また布製吹出ダクトの洗浄等のメンテナンスもより容易となる。
【0024】
請求項7に記載の発明は、
断面形状が円形状の布製吹出ダクトの吹出風速を1m/秒以上とし、断面形状が矩形状の布製吹出ダクトの吹出風速を0.3m/秒としたことを特徴とする請求項4乃至6のいずれか1の請求項に記載された食品冷却装置を提供するものである。
【0025】
断面が円形状の布製吹出ダクトでは、吹出風速を1.0m/秒以上とすることで、工場内の気流の乱れ等の外乱に強い冷気流を構成できる。また、断面が矩形状の布製吹出ダクトでは、吹出風速を0.3m/秒とすることで従事者への気流感を問題のないレベルとするとともに、必要な冷却部位(食品)を冷気で覆うことができる。
【0030】
【実施例】
以下本発明の食品冷却装置の一実施例について、図1から図7を参照しながら説明する。
【0031】
図1は本発明の食品冷却装置の一部の側面図、図2は食品冷却装置の全体配置を示す平面概略図、図3(a)は円筒状の布製吹出ダクトの概観斜視図、図3(b)は円筒状の布製吹出ダクトの断面図、図3(c)は矩形状布製吹出ダクトの外観斜視図。図4(a)、図4(c)は、円筒状の布製吹出ダクトのコンベア上への冷気の吹き出し状態を示す側面図図4(b)、図4(d)は円筒状の布製吹出ダクトの作業台上への冷気の吹き出し状態を示す側面図。図5(a)は矩形状の布製吹出ダクトの作業台への冷気の吹き出し状態を示す側面図、図5(b)は矩形状の布製吹出ダクトのコンベア上への冷気の吹き出し状態を示す側面図。図6(a)、図6(b)、図6(c)は円筒状の布製吹出ダクトの断面形状の変更例を示す断面図である。図7(a)、図7(b)、図7(c)、図7(d)は先端の端面部から冷気を供給する布製吹出ダクトの構成を示す図である。
【0032】
図1において冷気を発生させる冷却機1は、分岐チャンバーまたは分岐ダクト2に連通し、さらに冷却機1の分岐チャンバーまたは分岐ダクト2から搬送ダクト3とこれに布製吹出ダクト4が接続されている。7は工場内を示す。8Aは作業台、8Bはコンベアでこの上に工程順に流れる野菜等の食品9が位置している。搬送ダクト3は断熱処理されたフレキシブルダクトまたは全周から結露をさせない程度の冷気を噴出する布製のダクトを用いる。布製のダクトは結露防止の対策が不要なので好ましい。
【0033】
図2に示す食品冷却装置の全体配置を示す平面概略図において、冷却機1の分岐チャンバーや断熱処理した分岐ダクト2は工場の天井内または壁面部内に位置させ、この分岐ダクト2に複数の搬送ダクト3を着脱自在に接続し、この接続部に通路の開閉または冷気量の調節を行うダンパ(図示なし)が設けられている。
【0034】
さらに複数の搬送ダクト3の各々に布製吹出ダクト4がファスナー、ジッパー、一定幅の粘着テープ等(図示なし)の手段によって着脱自在に接続されている。製造工程中の冷気の吹き出しの必要な部位の上方部に布製吹出ダクト4を配置しているものである。また分岐ダクト2に複数の搬送ダクト3を接続したが、冷却機1から直接複数の搬送ダクト3を接続してもよい。さらに工場内は専用の空調機(図示なし)によって約15℃の温度に制御されており、この工場内に複数の搬送ダクト3が配置されているものである。なお前記布製吹出ダクト4、搬送ダクト3は支持部材(図示なし)で工場内7の所定の位置に固定されているものである。
【0035】
また、図2の工程例で冷気の吹き出しの必要な部位の例として、部位Aは例えば、洗浄、脱水、冷却されたカット野菜等の食品が入ったバケット部、部位Bは部位Aからの食品を受ける作業台8A(例えばストッカー部)、部位Cはカップまたは袋に一定量の食品を計量して挿入する計量部、部位Dはコンベア8Bで複数列のカップまたは袋を移動させる搬送部、部位Eはコンベア8Bで1列状にしたカップまたは袋を異物等の検査機を通過させるための搬送部である。前記A〜Eの各部位を順次食品が低温に維持された状態で加工、移動し、工場から出荷されるものである。
【0036】
図3(a)は円筒状の布製吹出ダクト4の外観斜視図で、布製吹出ダクト4は材質がポリプロピレン等からなる糸で編まれた布で構成され、下面部6は上面部5よりも通気抵抗を小さくし前記下面部6から食品に冷気を供給するもので、上面部5からも布製吹出ダクト4自体に結露をさせない程度の冷気を吹き出すようになっている。なお下面部6は上面部5よりも布の織り目を粗に構成され、図3(b)に示すように断面が円形状ダクトの下面に一定の円弧の長さを有して形成されているものである。なお下面部6と上面部5とを布の織り目の異なる布を縫製して形成してもよくファスナー、ジッパー、一定幅の粘着テープ等(図示なし)の手段によって着脱自在に構成してもよい。
【0037】
また布製吹出ダクト4の長さLは、必要な冷気の吹き出し距離に合わせて設定される。図3(c)は矩形状の布製吹出ダクト4の外観斜視図で、一体状の布を用いて断面を矩形状に形成したものであり、下面部6は上面部5よりも通気抵抗を小さくし前記下面部6から食品に冷気を供給するもので、上面部5からも布製吹出ダクト4自体に結露をさせない程度の冷気を吹き出すようになっている。なお下面部6と上面部5とを布の織り目の異なる布を縫製して形成してもよくファスナー、ジッパー、一定幅の粘着テープ等(図示なし)の手段によって着脱自在に構成してもよい。
【0038】
図4(a)、図4(b)、図4(c)、図4(d)は円筒状の布製吹出ダクト4の作業台8Aやコンベア8B上への冷気の吹き出し状態を示す図で、図4(a)、図4(b)は円筒状の布製吹出ダクト4の外径が例えば250mmで下面部6から食品9に冷気を吹き出す円弧の長さを図4(a)は150mm、図4(b)は200mmとして構成したもので、図4(b)は図4(a)よりも広角に冷気を吹き出すので食品9との高さ方向の距離を低くしても食品9の幅に冷気を供給することができる。また図4(a)は冷気を吹き出す角度を狭めてあるので食品9との高さ方向の距離を高くしても食品9の幅に冷気を供給することができ、例えば従事者に必要なスペースを与えることができる。また設置上の制約条件に応じて選択して配置することができる。
【0039】
図4(c)、図4(d)は円筒状の布製吹出ダクト4の外径が例えば100mmで下面部6から食品9に冷気を吹き出す円弧の長さを図4(c)は50mm、図4(d)は100mmとして構成したもので、図4(d)は図4(c)よりも広角に冷気を吹き出すので食品9との高さ方向の距離を低くしても食品9の幅に冷気を供給することができる。また図4(c)は冷気を吹き出す角度を狭めてあるので食品9との高さ方向の距離を高くしても食品9の幅に冷気を供給することができ、例えば従事者に必要なスペースを与えることができる。また設置上の制約条件に応じて選択して配置することができる。前記図4(a)、図4(b)の条件を含めて食品の製造工程の部位状況に応じて任意に選択して配置することができる。なお図中の実線矢印は冷気の流れを示す。
【0040】
図5(a)は矩形状の布製吹出ダクト4による作業台8Aへの冷気の吹き出し状態を示す図であり、図5(b)は矩形状の布製吹出ダクト4によるコンベア8B上への冷気の吹き出し状態を示す図で、矩形状の布製吹出ダクト4の幅と長さを冷却する食品の必要面積に応じて任意に選択して実装されているものである。この矩形状の布製吹出ダクト4は、冷却する食品の必要面積の比較的大きい部位に用いる。なお図中の実線矢印は冷気の流れを示す。
【0041】
前記の各種の布製吹出ダクト4の配置例を図2に示す食品冷却装置の全体配置を示す平面概略図と図4(a)、図4(b)、図4(c)、図4(d)の円筒状の布製吹出ダクト4の作業台8Aやコンベア8B上への冷気の吹き出し状態を示す図および図5(a)、図5(b)の矩形状の布製吹出ダクト4による作業台8Aやコンベア8B上への冷気の吹き出し状態を示す図で説明する。
【0042】
図2の工程例で部位A(洗浄、脱水、冷却されたカット野菜等の食品9が入ったバケット部)には図4(d)、部位B(バケット部からの食品9を受けるストッカー部)には図4(a)、部位D(コンベア8Bで複数列のカップまたは袋を移動させる搬送部)には、図4(b)、部位E(コンベア8Bで1列状にしたカップまたは袋を異物等の検査機を通過させるための搬送部)には図4(c)に各々示す円筒状の布製吹出ダクト4を配置し、部位C(カップまたは袋に一定量の食品を計量して挿入する計量部)に図5に示す矩形状の布製吹出ダクト4配置したものである。
【0043】
また、本実施例においては、例えば工場内の温度は約15℃に空調機(図示なし)で温度制御しており、さらに各々の布製吹出ダクト4からの吹き出し冷気の温度は約3℃、食品の温度は約5℃に保つように設定しているものである。
【0044】
また、円筒状の布製吹出ダクト4の下面部からは、吹出風速が1.0m/秒以上であれば工場内の気流の乱れ等の外乱に強い冷気流を構成できる。円筒状の布製吹出ダクト4の各々で任意に吹出風速を設定できるが吹出風速が1.0〜1.2m/秒とすることで必要な冷却部位(食品)を冷気で覆うことができるとともに無駄な冷気の供給がなく好ましいものである。なお上面部5からも布製吹出ダクト4自体に結露をさせない程度の風速で冷気を吹き出すようになっている。
【0045】
また、従事者が常時作業を行い、冷却する食品の必要面積の比較的大きい部位である計量部には、断面が矩形状の布製吹出ダクト4を用いるが、ここでは吹出風速を約0.3m/秒とすることで従事者への気流感を問題のないレベルとするとともに、必要な冷却部位(食品)を冷気で覆うことができるようにしたものである。なお上面部5からも布製吹出ダクト4自体に結露をさせない程度の風速で冷気を吹き出すようになっている。
【0046】
このように下面部6からの冷気の吹出風速の異なる布製吹出ダクト4を有して配置したことによって、低温に維持する必要のある食品の種類、加工形態等に応じて、布製吹出ダクト4の下面部6からの冷気の吹出風速を最適に設定できるようにして、各製造工程中の必要な冷却部位を効率的に冷却することができる。なお吹出風速は、下面部6の布の材質、すなわち織り目の粗密による通気抵抗の調整および分岐ダクト2と複数の搬送ダクト3の接続部に設けたダンパ(図示なし)によって調節する冷気量によって設定することができる。
【0047】
前記した断面が円形状、矩形状の布製吹出ダクト4を実装する場合は、食品の必要な冷却部位の幅、長さ、布製吹出ダクト4と食品9との距離、食品9の移動状態または停止状態(待機中)、必要な冷気の風速、風量、従事者の有無、従事者有での作業性、設置上の制約条件等の要素に基づいて、断面が円形状、矩形状の布製吹出ダクト4の選択とともに、円筒状の布製吹出ダクト4の外径または下面部6から食品9に冷気を吹き出す円弧の長さを任意に選択し、必要な冷却部位の各々を最適な条件で設定し配置することができるものである。
【0048】
図6(a)、図6(b)、図6(c)は、円筒状の布製吹出ダクト4の断面形状の変更を可能としたもので、その例を示す断面図である。前記した図3と同様に、下面部6は上面部5よりも通気抵抗を小さくし前記下面部6から食品9に冷気を供給するもので、上面部5からも布製吹出ダクト4自体に結露をさせない程度の冷気を吹き出すようになっている。
【0049】
なお下面部6は上面部5よりも布の織り目を粗に構成され円筒状ダクトの下面に一定の円弧の長さを有して形成されているものである。10は下面部6を変形させるための吊り部材で、この吊り部材10で図6(b)、図6(c)に示すように下面部6を変形、固定させることによって、下面部6から食品に供給する冷気の吹き出し角度を変更することができる。この場合、布製吹出ダクト4の上面部5は補強部材(図示なし)によって変形しないようになっている。
【0050】
前記のような構成とすることによって、円筒状の布製吹出ダクト4の外径(太さ)を同一としても、より広角に冷気の吹き出し幅を調節、設定することができる。したがって円筒状の布製吹出ダクト4の基本形の共用化、製造工程での必要な冷却部位の形態に幅広く対応することが可能となる。
【0051】
また布製吹出ダクト4の断面形状の基本形が楕円、矩形のものに適用しても同様の効果を発揮させることができる。 これによって円筒状の布製吹出ダクト4の外径(太さ)を同一としても、より広角に冷気の吹き出し幅を調節、設定することができる。したがって円筒状の布製吹出ダクト4の基本形の共用化、製造工程での必要な冷却部位の形態に幅広く対応することが可能となる。
【0052】
図7(a)、図7(b)、図7(c)、図7(d)は先端の端面部から冷気を供給する布製吹出ダクト4の構成を示す外観図である。図7(a)は円筒状の布製吹出ダクト4の先端の端面部11を筒状部12よりも布の織り目を粗に構成して通気抵抗を小さくし、前記端面部11から食品9に冷気を供給するものである。図7(b)は矩形状の布製吹出ダクト4に図7(a)と同様の端面部11を構成したものである。図7(c)は筒状部12に対して傾斜させて端面部11を構成したものである。図7(d)は円錐状の端面部11を構成したものである。なお図中の実線矢印は冷気の流れを示す。これらの端面部11から食品9に冷気を供給するようにしたことによって、例えば容器に食品を一時ストックする必要性がある場合に、必要最低限の冷気量で容器中の食品を低温に維持することができる。このように局所的な冷気の供給を可能にし、製造工程での必要性に応じてより任意に配置することができる。
【0053】
前記筒状部12を、図4、図5に示すように、通気性を有すると共に、下面部を上面部よりも通気抵抗を小さくした構成とすることができる。
【0054】
なお端面部11は搬送ダクト3の先端部に構成してもよい。また端面部11は布製吹出ダクト4または搬送ダクト3と着脱自在にしてもよく、これによって必要な冷却部位の様々な要求条件に合わせて端面部11を選択して配置することがより容易となり、無駄のない効率的な冷却をすることができるとともに製造工程の変更等にも柔軟に対応することができ、端面部11の洗浄等のメンテナンスもより容易となる。
【0055】
以上のように、本発明の実施例における食品の冷却装置において、布製吹出ダクト4を実装、配置する場合は、布製吹出ダクト4の形状、すなわち円筒形や矩形などの形状選択、布製吹出ダクト4の吹出面形状、すなわち円筒形の円弧面吹出しの場合は円筒外径、吹出面の円弧長さおよび円筒長さ(吹出面長さ)あるいは端面部からの吹出し場合は端面部の面積の選択、吹出面の仕様(織り目の粗密)の選択(すなわち通気抵抗の調整)、布製吹出ダクト4と被冷却対象物との距離の選択等をベースに、ダンパ(図示なし)の開度調整による布製吹出ダクト4への冷気量調節で冷気の吹出風速、吹出風量を設定することで、被冷却対象物である食品の種類、サイズ、加工形態、移動状態あるいは停止状態(工程待機中)、また各工程における設備の状況や形態、さらに作業者の有無、作業者有での作業性等の要素に対し、最適な条件で選択、設定して配置することができるものである。
【0056】
これにより被冷却対象物の冷却効果を最大限発揮させて効率的に冷却でき、人に対する快適作業環境の提供が可能となるとともに、複数の布製吹出ダクト4を搬送ダクト3で、工場内に任意で最適な状態に配置できるようにし、冷却装置全体の構成の簡略化と製造工程の変更、立体的な製造工程の配置等にも柔軟に対応する食品冷却装置とすることができるものである。
【0057】
なお、本実施例においては、食品としてカット野菜を例に説明したが、これに限らず麺類等他の食品にも適用できるものである。さらに冷気流にマイナスイオン、オゾン等を加えることや布製吹出部ダクト4に光触媒等を付加することによって食品をより衛生的に加工することができる。また布製吹出部ダクト4、搬送ダクト3は不織布によって構成してもよい。
【0058】
【発明の効果】
以上のように、本発明によれば、カット野菜等の低温に維持する必要のある食品の加工製造工程において、食品の種類、加工形態等に応じて各製造工程中の必要な冷却部位を効率的に冷却するとともに食品に冷気を吹き出す複数の布製吹出ダクトを最適に配置できるようにし、冷却装置全体の構成の簡略化と製造工程の変更等にも柔軟に対応する食品冷却装置とすることができる。
【図面の簡単な説明】
【図1】本発明の食品冷却装置の一部の側面図。
【図2】食品冷却装置の全体配置を示す平面概略図。
【図3】(a)円筒状の布製吹出ダクトの外観斜視図。
(b)円筒状の布製吹出ダクトの断面図。
(c)矩形状布製吹出ダクトの外観斜視図。
【図4】(a)、(c)円筒状の布製吹出ダクトのコンベア上への冷気の吹き出し状態を示す図。
(b)、(d)円筒状の布製吹出ダクトの作業台上への冷気の吹き出し状態を示す図。
【図5】(a)矩形状の布製吹出ダクトの作業台上への冷気の吹き出し状態を示す図。
(b)矩形状の布製吹出ダクトのコンベア上への冷気の吹き出し状態を示す図。
【図6】(a)、(b)、(c)円筒状の布製吹出ダクトの断面形状の変更例を示す断面図。
【図7】(a)、(b)、(c)、(d)先端の端面部から冷気を供給する布製吹出ダクトの構成を示す外観図である。
【符号の説明】
1 冷却機
2 分岐ダクト
3 搬送ダクト
4 布製吹出ダクト
5 上面部
6 下面部
7 工場内
8A 作業台
8B コンベア
9 食品
10 吊り部材
11 端面部
12 筒状部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cooling device for cooling food such as cut vegetables on a work table or a conveyor.
[0002]
[Prior art]
In recent years, vegetable packs in which bags and cups filled with vegetables that have been cut into a desired shape have been actively distributed, and such cut vegetables are filled into bags and cups, and are used for packaging, shipping, and sales. The process is maintained at a certain low temperature to maintain freshness. Conventionally, various kinds of cooling devices for this kind of vegetable have been proposed and known.
[0003]
For example, a cold air discharge duct that discharges cold air onto the conveyor is configured by a cylindrical sock duct (cloth duct), and when cold air is discharged from this sock duct, the cold air is passed over the belt conveyor by passing through the cloth below the sock duct. This is a conveyor cooling device that prevents condensation on the upper part of the sock duct by cold air that has passed through a dense cloth from the upper part of this sock duct. Is known (for example, JP-A-11-83275).
[0004]
Further, the upper part of the cylindrical sock duct is formed by a windproof member and the lower part by a ventilation member, and the windproof member is formed in a bellows shape with a resin, an aluminum-deposited cloth, an ultrathin metal plate (for example, an aluminum foil) or the like. It is formed and can be expanded and contracted, and the lower ventilation member is a cooling device that uses an air-permeable cloth, arbitrarily changes the length of the cylindrical sock duct, and adjusts the cooling range in the conveyance direction of the cooling conveyor. In response to this, there is known a configuration in which a plurality of cooling devices are connected in series to constitute a production line (for example, JP-A-2001-241827).
[0005]
Also, a heat insulating box that extends in the longitudinal direction and has an upper surface open, a cold air duct that is provided in the heat insulating box and extends in the longitudinal direction, and a cold air duct that is provided at an appropriate position of the cold air duct can be closed. A low-temperature conveyor device equipped with a motor-operated valve is known which cools only the necessary areas by closing the middle of the cold air duct with the motor-operated valve and preventing cold air from being sent before this motor-operated valve. (For example, JP-A-2001-108346).
[0006]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-83275 (pages 2 and 3, FIGS. 2 and 3)
[0007]
[Patent Document 2]
Japanese Patent Laid-Open No. 2001-241827 (pages 2 to 3, FIGS. 1 and 2)
[0008]
[Patent Document 3]
Japanese Patent Laid-Open No. 2001-108346 (pages 2 to 3, FIGS. 3 and 5)
[0009]
[Problems to be solved by the invention]
The conditions of each process in the state of the food itself (exposure, in a bucket, in a cup, in a bag, in the spread of the food, etc.), movement and conveyance form, processing, and inspection process on the worktable and conveyor in each manufacturing process Therefore, it is necessary to reliably maintain the low temperature of food such as vegetables, and when changing the kind of food, processing form, etc., it is required to cope with the layout configuration of the factory and the optimum conditions for cooling the food.
[0010]
However, in the conventional cooling device for cooling food such as a work table or a conveyor, a single cooling device is used or a number of these are connected in series to constitute a production line. There are problems such as lack of compatibility with the optimum conditions of food cooling according to the above, freedom of change in the manufacturing process, and difficulty in configuring a three-dimensional manufacturing line in the factory.
[0011]
The present invention solves the above-mentioned conventional problems, and in the processing and manufacturing process of foods that need to be maintained at a low temperature such as cut vegetables, it is necessary in each manufacturing process according to the type of food, the processing form, etc. Foods that can efficiently cool multiple cooling parts and optimally arrange multiple fabric blow-out ducts that blow out cold air to food, and can flexibly deal with simplification of the entire cooling system and changes in manufacturing processes An object is to provide a cooling device.
[0012]
[Means for Solving the Problems]
The invention described in claim 1
A cooling machine,
A transport duct for transporting cold air generated in the cooler;
A cloth blowing duct connected to the transport duct and disposed at a predetermined distance above the work table or conveyor on which the object to be cooled is placed , and the lower surface portion has a lower ventilation resistance than the upper surface portion ,
A food cooling device having a suspension member for deforming the lower surface portion of the cloth blowout duct is provided .
[0013]
Thereby, the blowing angle of the cold air from the lower surface portion of the cloth blowout duct can be adjusted and set to a wider angle. Accordingly, the basic shape of the cloth blowout duct can be shared, and a wide variety of forms of cooling parts required in the manufacturing process can be supported.
[0014]
The invention described in claim 2
The food cooling device according to claim 1, wherein the upper surface portion of the cloth blowout duct has a reinforcing member.
[0015]
Thereby, even if the outer diameter (thickness) of the cylindrical cloth blowout duct is the same, the blowout width of the cold air can be adjusted and set to a wider angle. Therefore, the basic shape of the cylindrical cloth blowout duct can be shared, and a wide variety of forms of cooling parts required in the manufacturing process can be supported.
[0016]
The invention according to claim 3
The said suspension member provides the food cooling device described in the claim 1 or 2 which penetrated the said upper surface part of the said cloth blowing duct, and was fixed to the said lower surface part.
[0017]
This makes it possible to adjust and set the wider-angle cold air blowing width. Therefore, the basic shape of the cylindrical cloth blowout duct can be shared, and a wide variety of forms of cooling parts required in the manufacturing process can be supported.
[0018]
The invention according to claim 4
The food cooling device according to any one of claims 1 to 3, which has two types of cloth blowout ducts having a cross-sectional shape of at least a circular shape and a rectangular shape.
[0019]
As a result, in the process of manufacturing foods that need to be maintained at a low temperature, the cross-sectional shape of the fabric blowout duct is selected according to the type of food, the processing mode, etc., and the necessary cooling parts in each manufacturing process are efficiently It is possible to arrange a plurality of fabric blowout ducts that cool down to the food and blow out the cold air to the food, and flexibly respond to simplification of the entire cooling device configuration, changes in the manufacturing process, arrangement of three-dimensional manufacturing processes, etc. A food cooling device can be provided.
[0020]
The invention described in claim 5
The said conveyance duct is the cloth which has air permeability, The food cooling device described in any one of Claims 1 thru | or 4 is provided.
[0021]
As a result, by blowing out cool air that does not cause dew condensation from the entire circumference of the transport duct, dew condensation on the duct itself is prevented, so that no heat insulation measures for the transport duct are required, and the apparatus can be simplified. In addition, it is possible to maintain a hygienic state by preventing condensation that causes mold growth.
[0022]
The invention described in claim 6
The food cooling apparatus according to any one of claims 1 to 5, wherein the cloth blowing duct is detachable from the transport duct.
[0023]
This makes it easier to select and arrange the fabric blowout ducts according to the various requirements of the required cooling parts, allowing efficient cooling without waste and flexibility in changing manufacturing processes, etc. It can correspond to. In addition, maintenance such as cleaning of the blowout duct made of cloth becomes easier.
[0024]
The invention described in claim 7
The blown air speed of the cloth blow duct having a circular cross section is set to 1 m / second or more, and the blown air speed of the cloth blow duct having a rectangular cross section is set to 0.3 m / second. The food cooling device described in any one of the claims is provided.
[0025]
In the cloth blowout duct having a circular cross section, by setting the blown air speed to 1.0 m / second or more, a cold airflow resistant to disturbances such as airflow turbulence in the factory can be configured. In addition, in the cloth blowout duct having a rectangular cross section, the airflow feeling to the worker is brought to a level at which there is no problem by setting the blown air speed to 0.3 m / second, and the necessary cooling part (food) is covered with cold air. be able to.
[0030]
【Example】
Hereinafter, an embodiment of the food cooling device of the present invention will be described with reference to FIGS.
[0031]
1 is a side view of a part of the food cooling device of the present invention, FIG. 2 is a schematic plan view showing the overall arrangement of the food cooling device, FIG. 3 (a) is an overview perspective view of a cylindrical cloth outlet duct, FIG. (B) is sectional drawing of a cylindrical cloth blowing duct, FIG.3 (c) is an external appearance perspective view of a rectangular cloth blowing duct. 4 (a) and 4 (c) are side views showing a state in which cool air is blown out onto the conveyor of the cylindrical cloth blowing duct. FIGS. 4 (b) and 4 (d) are cylindrical cloth blowing ducts. The side view which shows the blowing state of the cold air on the work bench. FIG. 5A is a side view showing a state in which cold air is blown out to the work table of the rectangular cloth blowout duct, and FIG. 5B is a side view showing a state in which cold air is blown out onto the conveyor of the rectangular cloth blowout duct. Figure. 6 (a), 6 (b), and 6 (c) are cross-sectional views showing examples of changing the cross-sectional shape of the cylindrical cloth blowout duct. 7 (a), 7 (b), 7 (c), and 7 (d) are diagrams showing the configuration of the cloth blowout duct that supplies cold air from the end face of the tip.
[0032]
In FIG. 1, a cooler 1 that generates cold air communicates with a branch chamber or a branch duct 2, and further, a transport duct 3 and a cloth blowout duct 4 are connected to the branch chamber or branch duct 2 of the cooler 1. 7 indicates the inside of the factory. 8A is a work table, and 8B is a conveyor, on which foods 9 such as vegetables flowing in the order of processes are located. As the transport duct 3, a heat-insulated flexible duct or a cloth duct that blows out cold air that does not cause condensation from the entire circumference is used. Cloth ducts are preferred because they do not require countermeasures to prevent condensation.
[0033]
In the schematic plan view showing the overall arrangement of the food cooling apparatus shown in FIG. 2, the branch chamber of the cooler 1 and the heat-insulated branch duct 2 are located in the ceiling or wall surface of the factory, and a plurality of transports are made to the branch duct 2. The duct 3 is detachably connected, and a damper (not shown) for opening and closing the passage or adjusting the amount of cool air is provided at this connecting portion.
[0034]
Further, a cloth blowing duct 4 is detachably connected to each of the plurality of transport ducts 3 by means of a fastener, a zipper, a fixed width adhesive tape or the like (not shown). A cloth blowout duct 4 is arranged above a portion where cold air must be blown out during the manufacturing process. Moreover, although the several conveyance duct 3 was connected to the branch duct 2, you may connect the several conveyance duct 3 directly from the cooler 1. FIG. Further, the factory is controlled to a temperature of about 15 ° C. by a dedicated air conditioner (not shown), and a plurality of transfer ducts 3 are arranged in the factory. The cloth blowout duct 4 and the transport duct 3 are fixed at predetermined positions in the factory 7 by support members (not shown).
[0035]
In addition, as an example of a part that needs to be blown out of the cold air in the process example of FIG. 2, part A is, for example, a bucket part containing food such as washed, dehydrated, and cooled cut vegetables, and part B is food from part A. 8A (e.g., stocker unit) receiving part, part C is a measuring part for measuring and inserting a certain amount of food into a cup or bag, part D is a transport part and part for moving a plurality of rows of cups or bags on a conveyor 8B E is a transport unit for passing the cups or bags made in a row by the conveyor 8B through an inspection machine such as a foreign object. Each of the parts A to E is processed and moved in a state where the food is kept at a low temperature, and is shipped from the factory.
[0036]
FIG. 3A is an external perspective view of the cylindrical cloth blowout duct 4, which is made of a cloth knitted with a thread made of polypropylene or the like, and the lower surface portion 6 is more ventilated than the upper surface portion 5. The resistance is reduced, and cold air is supplied to the food from the lower surface portion 6, and cold air is blown out from the upper surface portion 5 so as not to cause condensation on the cloth blowing duct 4 itself. The lower surface portion 6 is configured to have a coarser fabric weaving than the upper surface portion 5, and the cross section is formed to have a constant arc length on the lower surface of the circular duct as shown in FIG. 3 (b). Is. The lower surface portion 6 and the upper surface portion 5 may be formed by sewing cloths having different textures, or may be configured to be detachable by means of a fastener, a zipper, a fixed width adhesive tape or the like (not shown). .
[0037]
Further, the length L of the cloth blowout duct 4 is set in accordance with a necessary cold air blowing distance. FIG. 3C is an external perspective view of the rectangular cloth blowout duct 4, in which the cross section is formed in a rectangular shape using an integral cloth, and the lower surface portion 6 has a lower ventilation resistance than the upper surface portion 5. Cold air is supplied from the lower surface portion 6 to the food, and cold air is blown out from the upper surface portion 5 so as not to cause condensation on the cloth blowing duct 4 itself. The lower surface portion 6 and the upper surface portion 5 may be formed by sewing cloths having different textures, or may be configured to be detachable by means of a fastener, a zipper, a fixed width adhesive tape or the like (not shown). .
[0038]
4 (a), FIG. 4 (b), FIG. 4 (c), and FIG. 4 (d) are views showing a state of blowing out cool air onto the work table 8A and the conveyor 8B of the cylindrical cloth blowing duct 4, 4 (a) and 4 (b) show the length of an arc for blowing cold air from the lower surface portion 6 to the food 9 when the outer diameter of the cylindrical cloth blowing duct 4 is 250 mm, for example, and FIG. 4 (b) is configured as 200 mm, and FIG. 4 (b) blows out cold air at a wider angle than that in FIG. 4 (a), so the width of the food 9 can be reduced even if the distance from the food 9 is reduced. Cold air can be supplied. Further, in FIG. 4A, the angle at which the cold air is blown out is narrowed, so that the cold air can be supplied to the width of the food 9 even if the height direction distance from the food 9 is increased. Can be given. Moreover, it can select and arrange | position according to the restrictions on installation.
[0039]
4 (c) and 4 (d) show the length of an arc for blowing cold air from the lower surface portion 6 to the food 9 when the outer diameter of the cylindrical cloth blowing duct 4 is 100 mm, for example, and FIG. 4 (d) is configured as 100 mm, and FIG. 4 (d) blows out cold air at a wider angle than FIG. 4 (c), so the width of the food 9 can be reduced even if the height direction distance from the food 9 is reduced. Cold air can be supplied. Further, in FIG. 4C, the angle at which the cool air is blown out is narrowed, so that the cool air can be supplied to the width of the food 9 even if the height direction distance from the food 9 is increased. Can be given. Moreover, it can select and arrange | position according to the restrictions on installation. 4A and 4B can be arbitrarily selected and arranged in accordance with the site conditions of the food manufacturing process including the conditions shown in FIGS. In addition, the solid line arrow in a figure shows the flow of cold air.
[0040]
FIG. 5A is a view showing a state in which cold air is blown out to the work table 8A by the rectangular cloth blowing duct 4, and FIG. 5B is a drawing of the cold air on the conveyor 8B by the rectangular cloth blowing duct 4. It is a figure which shows a blowing state, Comprising: The width | variety and length of the rectangular cloth blowing duct 4 are arbitrarily selected and mounted according to the required area of the food which cools. This rectangular cloth blowout duct 4 is used for a portion having a relatively large area required for food to be cooled. In addition, the solid line arrow in a figure shows the flow of cold air.
[0041]
A schematic plan view showing the overall arrangement of the food cooling device shown in FIG. 2, and FIGS. 4 (a), 4 (b), 4 (c), and 4 (d). ) Of the cylindrical cloth blowout duct 4 in FIG. 5A and FIG. 5A and FIG. 5B showing the blowout state of cold air onto the worktable 8A and the conveyor 8B. Further, a description will be given with reference to a drawing showing a state of blowing cool air onto the conveyor 8B.
[0042]
In the process example of FIG. 2, the part A (bucket part containing the food 9 such as the cut, dehydrated and cooled cut vegetables) is shown in FIG. 4 (d) and the part B (stocker part receiving the food 9 from the bucket part). 4 (a), part D (conveying section for moving a plurality of rows of cups or bags on the conveyor 8B), FIG. 4 (b), part E (cups or bags in one line on the conveyor 8B). A cylindrical cloth blowing duct 4 shown in FIG. 4 (c) is arranged in the transport section for passing a foreign object inspection machine, and a portion C (a certain amount of food is measured and inserted into a cup or bag). The rectangular cloth blowing duct 4 shown in FIG.
[0043]
Further, in this embodiment, for example, the temperature in the factory is controlled to about 15 ° C. by an air conditioner (not shown), and the temperature of the cold air blown out from each cloth blowing duct 4 is about 3 ° C. The temperature of is set to be kept at about 5 ° C.
[0044]
Further, from the lower surface portion of the cylindrical cloth blowout duct 4, a cold airflow resistant to disturbances such as airflow turbulence in the factory can be configured as long as the blowout air speed is 1.0 m / second or more. Although the blowing air speed can be arbitrarily set in each of the cylindrical cloth blowing ducts 4, the necessary cooling part (food) can be covered with cold air and wasteful when the blowing air speed is set to 1.0 to 1.2 m / sec. This is preferable because there is no supply of cold air. In addition, cold air is blown out from the upper surface portion 5 at a wind speed that does not cause condensation on the cloth blowout duct 4 itself.
[0045]
In addition, a cloth blowing duct 4 having a rectangular cross section is used for a measuring section, which is a part where workers always work and a relatively large area of food to be cooled is used, but here the blowing air speed is about 0.3 m. The air flow feeling to the worker is set to a level that does not cause a problem by setting the speed to 1 second per second, and a necessary cooling part (food) can be covered with cold air. In addition, cold air is blown out from the upper surface portion 5 at a wind speed that does not cause condensation on the cloth blowout duct 4 itself.
[0046]
As described above, the cloth blowing duct 4 having the different blowing speeds of the cold air from the lower surface portion 6 is arranged, so that the cloth blowing duct 4 can be used in accordance with the type of food that needs to be maintained at a low temperature, the processing form, and the like. The cooling air blowing speed from the lower surface portion 6 can be set optimally, and the necessary cooling part in each manufacturing process can be efficiently cooled. The blown air speed is set by the material of the cloth of the lower surface portion 6, that is, the adjustment of the airflow resistance by the density of the weave and the amount of cold air adjusted by a damper (not shown) provided at the connection portion of the branch duct 2 and the plurality of transport ducts 3. can do.
[0047]
When the above-described cloth blow duct 4 having a circular shape and a rectangular cross section is mounted, the width and length of the necessary cooling portion of the food, the distance between the cloth blow duct 4 and the food 9, the moving state or the stop of the food 9 Based on factors such as state (standby), required cold air speed, air volume, presence / absence of workers, workability with workers, constraints on installation, etc., cloth outlet duct with circular and rectangular cross section 4 is selected, and the outer diameter of the cylindrical cloth blowout duct 4 or the length of the arc for blowing cold air from the lower surface portion 6 to the food 9 is arbitrarily selected, and each necessary cooling part is set and arranged under optimum conditions. Is something that can be done.
[0048]
6 (a), 6 (b), and 6 (c) are cross-sectional views showing an example in which the cross-sectional shape of the cylindrical cloth blowout duct 4 can be changed. Similar to FIG. 3 described above, the lower surface portion 6 has a lower ventilation resistance than the upper surface portion 5 and supplies cold air to the food 9 from the lower surface portion 6, and condensation is also formed from the upper surface portion 5 to the cloth blowing duct 4 itself. It is designed to blow out cool air that will not be allowed.
[0049]
The lower surface portion 6 is formed so as to have a coarser cloth texture than the upper surface portion 5, and is formed on the lower surface of the cylindrical duct with a certain arc length. Reference numeral 10 denotes a suspension member for deforming the lower surface portion 6, and the suspension member 10 deforms and fixes the lower surface portion 6 as shown in FIGS. 6 (b) and 6 (c). It is possible to change the blowing angle of the cold air supplied to. In this case, the upper surface portion 5 of the cloth blowout duct 4 is not deformed by a reinforcing member (not shown).
[0050]
By setting it as the above structures, even if the outer diameter (thickness) of the cylindrical cloth blowing duct 4 is made the same, the blowing width of the cold air can be adjusted and set to a wider angle. Accordingly, the basic shape of the cylindrical cloth blowout duct 4 can be shared, and a wide variety of forms of cooling parts required in the manufacturing process can be supported.
[0051]
Moreover, even if the basic shape of the cross-sectional shape of the cloth blowout duct 4 is an ellipse or a rectangle, the same effect can be exhibited. Accordingly, even if the outer diameter (thickness) of the cylindrical cloth blowout duct 4 is the same, the blowout width of the cold air can be adjusted and set to a wider angle. Accordingly, the basic shape of the cylindrical cloth blowout duct 4 can be shared, and a wide variety of forms of cooling parts required in the manufacturing process can be supported.
[0052]
7 (a), 7 (b), 7 (c), and 7 (d) are external views showing the configuration of the cloth blowout duct 4 that supplies cold air from the end face of the tip. FIG. 7A shows that the end surface portion 11 at the end of the cylindrical cloth blowout duct 4 is made coarser than the tubular portion 12 to make the cloth weave coarser to reduce the airflow resistance. Supply. FIG. 7B shows an end face portion 11 similar to that shown in FIG. 7A formed on a rectangular cloth outlet duct 4. FIG. 7C shows an end face portion 11 that is inclined with respect to the cylindrical portion 12. FIG. 7D shows a conical end surface portion 11. In addition, the solid line arrow in a figure shows the flow of cold air. By supplying cold air to the food 9 from these end face portions 11, for example, when there is a need to temporarily stock food in the container, the food in the container is maintained at a low temperature with a minimum amount of cold air. be able to. In this way, it is possible to supply local cold air, and it can be arranged more arbitrarily according to the necessity in the manufacturing process.
[0053]
As shown in FIGS. 4 and 5, the cylindrical portion 12 can be configured to have air permeability and have a lower air flow resistance at the lower surface portion than at the upper surface portion.
[0054]
Note that the end surface portion 11 may be configured at the distal end portion of the transport duct 3. Further, the end face part 11 may be detachable from the cloth blowout duct 4 or the transport duct 3, which makes it easier to select and arrange the end face part 11 according to various requirements of the required cooling part, In addition to efficient cooling without waste, it is possible to flexibly cope with changes in manufacturing processes and the like, and maintenance such as cleaning of the end face portion 11 becomes easier.
[0055]
As described above, in the food cooling apparatus according to the embodiment of the present invention, when the fabric blowout duct 4 is mounted and arranged, the shape of the fabric blowout duct 4, that is, the shape selection such as a cylindrical shape or a rectangle, the fabric blowout duct 4 is selected. The shape of the air outlet surface, that is, the cylindrical outer diameter in the case of a cylindrical arc surface outlet, the arc length of the outlet surface and the cylinder length (the length of the outlet surface) or the area of the end face portion in the case of the air blowing from the end face part, Cloth blowout by adjusting the opening of a damper (not shown) based on selection of blowout surface specifications (texture density) (ie, adjustment of ventilation resistance), selection of the distance between the cloth blowout duct 4 and the object to be cooled, etc. By adjusting the air flow rate to the duct 4 and adjusting the air flow rate and air flow rate of the cold air, the type, size, processing mode, moving state or stop state (waiting for the process) of the food to be cooled, and each process In Bei situation and form further presence or absence of the operator, with respect to elements of workability in the work's chromatic, selected under optimum conditions, in which can be arranged to set.
[0056]
As a result, the cooling effect of the object to be cooled can be maximized and efficiently cooled, and a comfortable working environment can be provided for a person. A plurality of cloth blowout ducts 4 can be arbitrarily provided in the factory by the transport duct 3. Therefore, the food cooling device can be flexibly adapted to the simplification of the configuration of the entire cooling device, the change of the manufacturing process, the arrangement of the three-dimensional manufacturing process, and the like.
[0057]
In this embodiment, cut vegetables have been described as an example of food. However, the present invention is not limited to this and can be applied to other foods such as noodles. Furthermore, foodstuffs can be processed more hygienically by adding negative ions, ozone, or the like to the cold airflow, or adding a photocatalyst or the like to the cloth outlet duct 4. Moreover, you may comprise the cloth blowing part duct 4 and the conveyance duct 3 with a nonwoven fabric.
[0058]
【The invention's effect】
As described above, according to the present invention, in the processing and manufacturing process of food that needs to be maintained at a low temperature such as cut vegetables, the required cooling part in each manufacturing process is efficiently performed according to the type of food, the processing form, and the like. It is possible to optimally arrange a plurality of cloth blowout ducts that cool the food and blow cold air to the food, and to make the food cooling device flexible enough to simplify the configuration of the whole cooling device and change the manufacturing process etc. it can.
[Brief description of the drawings]
FIG. 1 is a side view of a part of a food cooling device of the present invention.
FIG. 2 is a schematic plan view showing the overall arrangement of the food cooling device.
FIG. 3A is an external perspective view of a cylindrical cloth blowout duct.
(B) Sectional drawing of a cylindrical cloth blowing duct.
(C) The external appearance perspective view of the rectangular-shaped cloth blowing duct.
FIGS. 4A and 4C are views showing a state in which cool air is blown out onto a conveyor of a cylindrical cloth blowing duct.
(B), (d) The figure which shows the blowing state of the cold air on the work bench | platform of a cylindrical cloth blowing duct.
FIG. 5A is a view showing a state in which cool air is blown out onto a work table of a rectangular cloth blow-out duct.
(B) The figure which shows the blowing state of the cold air on the conveyor of a rectangular-shaped cloth blowing duct.
FIGS. 6A, 6B, and 6C are cross-sectional views showing examples of changing the cross-sectional shape of a cylindrical cloth blowout duct.
7 (a), (b), (c), and (d) are external views showing the configuration of a cloth blowout duct that supplies cold air from the end face at the tip.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cooling machine 2 Branching duct 3 Conveying duct 4 Cloth blowout duct 5 Upper surface part 6 Lower surface part 7 Factory 8A Worktable 8B Conveyor 9 Food 10 Lifting member 11 End surface part 12 Cylindrical part

Claims (7)

冷却機と、
前記冷却機で発生した冷気を搬送する搬送ダクトと、
前記搬送ダクトに接続され、被冷却対象物が置かれる作業台またはコンベアの上方部に所定の距離をおいて配置されて、下面部は上面部よりも通気抵抗が小さい布製吹出ダクトと、
前記布製吹出ダクトの前記下面部を変形させる吊り部材を有する食品冷却装置。
A cooling machine,
A transport duct for transporting cold air generated in the cooler;
A cloth blowing duct connected to the transport duct and disposed at a predetermined distance above the work table or conveyor on which the object to be cooled is placed , and the lower surface portion has a lower ventilation resistance than the upper surface portion ,
A food cooling apparatus having a suspension member for deforming the lower surface portion of the cloth blowout duct .
前記布製吹出ダクトの上面部は補強部材を有する請求項1に記載された食品冷却装置。The food cooling device according to claim 1, wherein an upper surface portion of the cloth blowing duct has a reinforcing member. 前記吊り部材は、前記布製吹出ダクトの前記上面部を貫通して前記下面部に固定された請求項1または2のいずれかの請求項に記載された食品冷却装置。The food cooling device according to any one of claims 1 and 2, wherein the suspension member passes through the upper surface portion of the cloth blowing duct and is fixed to the lower surface portion. 断面形状が少なくとも円形状および矩形状の2種類の前記布製吹出ダクトを有している請求項1乃至3のいずれか1の請求項に記載された食品冷却装置。The food cooling device according to any one of claims 1 to 3, wherein the cross section has at least two types of cloth blowout ducts having a circular shape and a rectangular shape. 前記搬送ダクトは通気性を有する布製である請求項1乃至4のいずれか1の請求項に記載された食品冷却装置。The food cooling device according to any one of claims 1 to 4 , wherein the transport duct is made of air-permeable cloth. 前記布製吹出ダクトを前記搬送ダクトと脱着自在にした請求項1乃至5のいずれか1の請求項に記載された食品冷却装置。The food cooling device according to any one of claims 1 to 5, wherein the cloth blowing duct is detachable from the transport duct. 断面形状が円形状の布製吹出ダクトの吹出風速を1m/秒以上とし、断面形状が矩形状の布製吹出ダクトの吹出風速を0.3m/秒としたことを特徴とする請求項4乃至6のいずれか1の請求項に記載された食品冷却装置。The blowout air speed of the cloth blowout duct having a circular cross section is 1 m / second or more, and the blowout air speed of the cloth blowout duct having a rectangular cross section is 0.3 m / second. A food cooling device according to any one of the claims.
JP2003079879A 2003-03-24 2003-03-24 Food cooling equipment Expired - Fee Related JP4279020B2 (en)

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JP2006145183A (en) * 2004-11-24 2006-06-08 Kyataru:Kk Air conditioner using highly functional photocatalyst
JP5491291B2 (en) * 2010-06-10 2014-05-14 株式会社前川製作所 Continuous raw vegetable processing equipment
CN105650737B (en) * 2016-03-14 2018-12-14 山东省农业科学院农产品研究所 The air register of mutton acid-removing detraction

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