JP2017225406A - Heat sterilization device - Google Patents

Heat sterilization device Download PDF

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JP2017225406A
JP2017225406A JP2016124522A JP2016124522A JP2017225406A JP 2017225406 A JP2017225406 A JP 2017225406A JP 2016124522 A JP2016124522 A JP 2016124522A JP 2016124522 A JP2016124522 A JP 2016124522A JP 2017225406 A JP2017225406 A JP 2017225406A
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fixing
leg
treatment tank
tank
fixing bolt
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JP6759750B2 (en
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康 田中
Yasushi Tanaka
康 田中
泰三 松川
Taizo Matsukawa
泰三 松川
光央 櫛部
Mitsuhisa Kushibe
光央 櫛部
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Miura Co Ltd
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Miura Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a heat sterilization device capable of effectively preventing damages caused by a thermal stress.SOLUTION: Provided is a heat sterilization device 1 which includes: a leg body 10 extended in a vertical direction; a stiffening plate 20 bonded to an upper part of the led body 10; a cylindrical treatment tank 30 whose peripheral surface is supported by being loaded on the stiffening plate 20; and a treatment-tank first fixing part 40 which fixes the treatment tank 30 to the stiffening plate 20. The treatment-tank first fixing part 40 includes: a fixing-bolt part 41 extended in a radial direction of the treatment tank 30 while its one end part being attached to the peripheral surface of the treatment tank 30; a slotted hole part 22 which is formed in the stiffening plate 20 to be longer at least in the length of the circumferential direction than the diameter of the fixing-bolt part 41 for allowing the fixing-old part 41 to be inserted; and a fixing-nut part 43 which fixes the stiffening plate 20 and the treatment tank 30 with the fixing-bolt part 41 being inserted in the slotted hole part 22 while allowing the fixing-bolt part 41 to be movable in the circumferential direction with respect to the stiffening plate 20.SELECTED DRAWING: Figure 1

Description

本発明は、レトルト殺菌装置等の加熱殺菌装置に関する。   The present invention relates to a heat sterilizer such as a retort sterilizer.

従来、レトルト食品等の殺菌対象物は、加熱殺菌装置の処理槽内に搬入され、処理槽内に収容された状態で加熱されることにより殺菌されている。処理槽は、円筒形状に形成されており、多くの殺菌対象物を内部に収容可能になっている。このような処理槽の周面には、軸方向に沿って複数の当て板が溶接されており、処理槽は、これらの当て板に固定された脚体を介して設置面に固定されている。   Conventionally, an object to be sterilized such as retort food is carried into a treatment tank of a heat sterilization apparatus and sterilized by being heated while being accommodated in the treatment tank. The treatment tank is formed in a cylindrical shape and can accommodate many sterilization objects. A plurality of contact plates are welded along the axial direction on the peripheral surface of such a treatment tank, and the treatment tank is fixed to the installation surface via legs fixed to these contact plates. .

処理槽は、収容された殺菌対象物の殺菌の度に、加熱及び冷却され、これにより軸方向及び周方向に膨張及び収縮する。処理槽からの熱伝導によって当て板の温度は上昇・下降し、両者の間には温度差が発生する。処理槽と当て板の溶接部は、溶接により変形が拘束されているため熱ひずみによって応力が発生する。処理槽の加熱及び冷却が繰り返されると、熱応力も繰り返し発生するため、処理槽及び当て板の間の溶接部分が破損することがある。そこで、熱応力に起因する破損を防止する加熱殺菌装置が提案されている（例えば、特許文献１参照）。   The treatment tank is heated and cooled each time the stored sterilization target is sterilized, and thereby expands and contracts in the axial direction and the circumferential direction. The temperature of the contact plate rises and falls due to heat conduction from the treatment tank, and a temperature difference is generated between the two. Since the deformation of the welded portion between the treatment tank and the contact plate is constrained by welding, stress is generated by thermal strain. When heating and cooling of the treatment tank are repeated, thermal stress is also repeatedly generated, so that the welded portion between the treatment tank and the backing plate may be damaged. Then, the heat sterilizer which prevents the damage resulting from a thermal stress is proposed (for example, refer patent document 1).

特開２０１３−１７２６９２号公報JP2013-172692A

特許文献１において提案された加熱殺菌装置では、脚体を上下に分割している。上方の脚体には処理槽の軸方向に沿う長孔が設けられており、この長孔を用いて連結ボルトが上下の脚体を連結している。処理槽が軸方向に膨張したとしても、下方の脚体に対して上方の脚体が長孔により軸方向に移動することができるので、処理槽の軸方向に沿う方向の熱応力に起因する破損を防止することができる。
一方で、処理槽は、軸方向に膨張及び収縮すると同時に周方向へも膨張及び収縮する。このような従来の加熱殺菌装置では、処理槽の周方向に沿う方向の熱応力に起因する破損を防止することはできなかった。 In the heat sterilization apparatus proposed in Patent Document 1, the legs are divided into upper and lower parts. The upper leg is provided with a long hole along the axial direction of the processing tank, and the connecting bolt connects the upper and lower legs using this long hole. Even if the treatment tank expands in the axial direction, the upper leg can move in the axial direction by the long hole with respect to the lower leg, resulting in thermal stress in the direction along the axial direction of the treatment tank. Breakage can be prevented.
On the other hand, the treatment tank expands and contracts in the circumferential direction simultaneously with expansion and contraction in the axial direction. In such a conventional heat sterilization apparatus, it was not possible to prevent breakage due to thermal stress in the direction along the circumferential direction of the treatment tank.

従って、本発明は、熱応力に起因する破損を効果的に防止できる加熱殺菌装置を提供することを目的とする。   Accordingly, an object of the present invention is to provide a heat sterilization apparatus that can effectively prevent breakage due to thermal stress.

本発明は、上下方向に延びる脚体と、該脚体の上部に接合される当て板と、該当て板に載置されることにより周面が支持される筒状の処理槽と、前記処理槽と前記当て板とを固定する処理槽第１固定部と、を備える加熱殺菌装置であって、前記処理槽第１固定部は、一端部が前記処理槽の周面に取り付けられ処理槽の径方向に延びる固定ボルト部と、前記当て板に形成され前記固定ボルト部が挿通される長穴部であって、少なくとも周方向の長さが前記固定ボルト部の径よりも大きく形成される長穴部と、前記固定ボルト部が前記長穴部に挿通された状態で、前記当て板と前記処理槽とを、前記固定ボルト部が前記当て板に対して周方向に移動可能に固定する固定ナット部と、を備える加熱殺菌装置に関する。   The present invention includes a leg body extending in the vertical direction, a contact plate joined to an upper portion of the leg body, a cylindrical treatment tank whose peripheral surface is supported by being placed on the board, and the treatment A heat sterilization apparatus comprising a treatment tank first fixing part for fixing the tank and the abutting plate, wherein the treatment tank first fixing part has one end attached to a peripheral surface of the treatment tank. A fixing bolt portion extending in the radial direction, and a long hole portion formed in the abutting plate and through which the fixing bolt portion is inserted, wherein at least a length in the circumferential direction is larger than a diameter of the fixing bolt portion. Fixing the fixing plate so that the fixing bolt portion can move in the circumferential direction with respect to the backing plate in a state where the hole portion and the fixing bolt portion are inserted through the elongated hole portion. A heat sterilizer provided with a nut part.

また、加熱殺菌装置は、前記処理槽の周面の底部の近傍に配置され、前記当て板と前記処理槽とを移動不能に固定する処理槽第２固定部を更に備えることが好ましい。   Moreover, it is preferable that a heat sterilizer is further provided with the process tank 2nd fixing | fixed part which is arrange | positioned in the vicinity of the bottom part of the surrounding surface of the said process tank, and fixes the said contact plate and the said process tank so that a movement is impossible.

また、加熱殺菌装置は、前記脚体の下端部と設置面とを固定する脚体第１固定部を更に備え、前記脚体第１固定部は、下端部が設置面に取り付けられ鉛直方向上方に延びる固定ボルト部と、前記脚体に前記処理槽の軸方向に延びて形成され前記固定ボルト部が挿通される長穴部と、前記固定ボルト部が前記長穴部に挿通された状態で、前記設置面と前記脚体とを、前記脚体が前記固定ボルト部に対して軸方向に移動可能に固定する固定ナット部と、を備えることが好ましい。   The heat sterilizer further includes a leg first fixing portion that fixes the lower end portion of the leg and the installation surface, and the leg first fixing portion has a lower end attached to the installation surface and is vertically upward. A fixing bolt portion that extends in the axial direction of the treatment tank, and a long hole portion through which the fixing bolt portion is inserted, and the fixing bolt portion is inserted into the long hole portion. It is preferable that a fixing nut portion that fixes the installation surface and the leg body so that the leg body is axially movable with respect to the fixing bolt portion is provided.

また、前記脚体は、前記処理槽の軸方向に複数配置され、前記処理槽の前端部に配置される前記脚体と前記設置面とを移動不能に固定する脚体第２固定部を更に備えることが好ましい。   In addition, a plurality of legs are arranged in the axial direction of the processing tank, and a leg second fixing part that fixes the leg and the installation surface disposed at the front end of the processing tank so as not to move is further provided. It is preferable to provide.

本発明によれば、熱応力に起因する破損を効果的に防止できる加熱殺菌装置を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the heat sterilizer which can prevent effectively the damage resulting from a thermal stress can be provided.

本発明の一実施形態に係る加熱殺菌装置を示す側面図である。It is a side view which shows the heat sterilizer which concerns on one Embodiment of this invention. 一実施形態の加熱殺菌装置の分解斜視図である。It is a disassembled perspective view of the heat sterilizer of one Embodiment. 図１のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 一実施形態の加熱殺菌装置において、当て板の長穴部を露出させた側面図である。In the heat sterilization apparatus of one Embodiment, it is the side view which exposed the long hole part of the contact plate. 一実施形態の加熱殺菌装置における処理槽第１固定部の一部を示す分解斜視図である。It is a disassembled perspective view which shows a part of process tank 1st fixing | fixed part in the heat sterilizer of one Embodiment. 図３のＢ−Ｂ断面図である。It is BB sectional drawing of FIG. 図６において、脚体の長穴部及び締結穴部を露出させた平面図である。In FIG. 6, it is the top view which exposed the long hole part and fastening hole part of the leg.

以下、本発明の加熱殺菌装置の好ましい一実施形態について図面を参照しながら説明する。
本実施形態の加熱殺菌装置１は、貯湯式のレトルト殺菌装置であり、図１に示すように、設置面Ｌ上に設置され、レトルト食品等の殺菌対象物を殺菌するために用いられる。殺菌対象物は、加熱殺菌装置１の内部に収容された後、加圧された状態で熱湯に浸されることにより殺菌される。 Hereinafter, a preferred embodiment of the heat sterilization apparatus of the present invention will be described with reference to the drawings.
The heat sterilization apparatus 1 of this embodiment is a hot water storage type retort sterilization apparatus, and is installed on the installation surface L as shown in FIG. 1, and is used to sterilize sterilization objects such as retort foods. The object to be sterilized is sterilized by being immersed in hot water in a pressurized state after being accommodated in the heat sterilization apparatus 1.

この加熱殺菌装置１は、図１〜図３に示すように、円筒状の処理槽３０と、この処理槽３０を支持する脚体１０と、処理槽３０と脚体１０との間に配置される当て板２０と、を備える。また、加熱殺菌装置１は、これら処理槽３０、脚体１０、当て板２０及び設置面Ｌを互いに固定又は締結する構成として、処理槽３０と当て板２０とを移動可能に固定する処理槽第１固定部４０と、処理槽３０と当て板２０とを移動不能に固定する処理槽第２固定部としての処理槽締結部５０と、脚体１０の下端部と設置面Ｌとを移動可能に固定する脚体第１固定部６０と、脚体１０と設置面Ｌとを移動不能に固定する脚体第２固定部としての脚体締結部７０と、を備える。   As shown in FIGS. 1 to 3, the heat sterilizer 1 is disposed between a cylindrical treatment tank 30, a leg 10 that supports the treatment tank 30, and the treatment tank 30 and the leg 10. A contact plate 20. Moreover, the heat sterilizer 1 is configured to fix or fasten the processing tank 30, the leg body 10, the contact plate 20, and the installation surface L to each other, so that the processing tank 30 and the contact plate 20 are movably fixed. 1 fixed part 40, the processing tank fastening part 50 as a processing tank 2nd fixing part which fixes the processing tank 30 and the backing plate 20 immovably, and the lower end part of the leg 10 and the installation surface L can be moved. The leg 1st fixing | fixed part 60 to fix and the leg fastening part 70 as a leg 2nd fixing | fixed part which fixes the leg 10 and the installation surface L immovably are provided.

処理槽３０は、図１及び図２に示すように、筒状部３１と、この筒状部３１の一端部（後端部）に配置される後壁部３２と、筒状部３１の他端部（前端部）に配置される開閉扉３３と、を備える。本実施形態において、処理槽３０は、ＳＵＳ（ステンレス鋼）により形成される。   As shown in FIGS. 1 and 2, the processing tank 30 includes a cylindrical portion 31, a rear wall portion 32 disposed at one end portion (rear end portion) of the cylindrical portion 31, and the cylindrical portion 31. And an open / close door 33 disposed at an end (front end). In this embodiment, the processing tank 30 is formed of SUS (stainless steel).

筒状部３１は、複数の殺菌対象物を収容可能な内径及び長さで形成される。本実施形態において、筒状部３１は、円筒形状に形成される。後壁部３２は、筒状部３１の軸方向の外側に膨出した形状に形成され、筒状部３１の一端部を閉塞する。
開閉扉３３は、筒状部３１の他端部に、この他端部を開閉可能に取り付けられる。
以上の処理槽３０は、軸方向が水平方向に沿うように配置される。 The cylindrical portion 31 is formed with an inner diameter and a length that can accommodate a plurality of sterilization objects. In the present embodiment, the cylindrical portion 31 is formed in a cylindrical shape. The rear wall portion 32 is formed in a shape that bulges outward in the axial direction of the tubular portion 31 and closes one end portion of the tubular portion 31.
The open / close door 33 is attached to the other end portion of the cylindrical portion 31 so that the other end portion can be opened and closed.
The above processing tank 30 is arrange | positioned so that an axial direction may follow a horizontal direction.

脚体１０は、処理槽３０の軸方向に所定間隔をあけて複数（本実施形態では３つ）配置される。
それぞれの脚体１０は、図３に示すように、処理槽３０の周方向に所定間隔をあけて配置される一対の脚体本体１１を備え、脚体本体１１のそれぞれは、矩形形状の底板１２と、この底板１２の３つの辺からそれぞれ起立する側板１３と、を備える。脚体１０は、ＳＵＳ（ステンレス鋼）又は鉄により形成される。 A plurality (three in this embodiment) of the leg bodies 10 are arranged at predetermined intervals in the axial direction of the treatment tank 30.
As shown in FIG. 3, each leg 10 includes a pair of leg bodies 11 arranged at predetermined intervals in the circumferential direction of the treatment tank 30, and each leg body 11 has a rectangular bottom plate. 12 and side plates 13 erected from three sides of the bottom plate 12, respectively. The leg 10 is made of SUS (stainless steel) or iron.

底板１２は、脚体１０の下端部を構成し、接地面Ｌに接触する。底板１２は、図２に示すように、一対の辺（本実施形態では短辺）が処理槽３０の軸方向に沿うように配置される。
側板１３は、底板１２の周縁である４つの辺のうち、処理槽３０の軸方向に沿う一対の辺及び処理槽３０の他端（前端）側に配置される辺から鉛直方向に起立する。 The bottom plate 12 constitutes the lower end portion of the leg 10 and contacts the grounding surface L. As shown in FIG. 2, the bottom plate 12 is disposed such that a pair of sides (short sides in the present embodiment) are along the axial direction of the treatment tank 30.
The side plate 13 stands in a vertical direction from a pair of sides along the axial direction of the processing tank 30 and a side disposed on the other end (front end) side of the processing tank 30 among the four sides that are peripheral edges of the bottom plate 12.

当て板２０は、図１及び２に示すように、脚体１０ごとに設けられ、本実施形態においては３つの脚体１０ごとに３つの当て板２０が設けられる。当て板２０は、ＳＵＳ（ステンレス鋼）又は鉄により形成される。
当て板２０は、矩形の金属板が処理槽３０の外面の形状に対応するように円弧状に湾曲されて形成される。
以上の当て板２０は、図２に示すように、凸状となった面の両端部近傍において、一対の脚体本体１１の側板１３の先端面に接合されることにより、脚体１０に接合される。また、この当て板２０の凹状となった面側に、処理槽３０が配置される。 As shown in FIGS. 1 and 2, the backing plate 20 is provided for each leg 10, and in this embodiment, three backing plates 20 are provided for every three legs 10. The backing plate 20 is made of SUS (stainless steel) or iron.
The contact plate 20 is formed by bending a rectangular metal plate into an arc shape so as to correspond to the shape of the outer surface of the treatment tank 30.
As shown in FIG. 2, the above contact plate 20 is joined to the leg body 10 by being joined to the front end surfaces of the side plates 13 of the pair of leg body bodies 11 in the vicinity of both ends of the convex surface. Is done. Moreover, the processing tank 30 is arrange | positioned at the surface side used as the concave shape of this pad 20.

次に、処理槽第１固定部４０、処理槽締結部５０、脚体第１固定部６０、及び脚体締結部７０について説明する。   Next, the processing tank first fixing part 40, the processing tank fastening part 50, the leg first fixing part 60, and the leg fastening part 70 will be described.

処理槽第１固定部４０は、処理槽３０と当て板２０とを移動可能に固定する。処理槽第１固定部４０は、図１〜図５に示すように、処理槽３０の周面に取り付けられる固定ボルト部４１と、当て板２０に形成され固定ボルト部４１が挿通される長穴部２２と、ワッシャ４２と、固定ボルト部４１に螺合される固定ナット部４３と、を備える。本実施形態において、処理槽第１固定部４０は、１つの当て板２０ごとに、２箇所設けられる。   The processing tank 1st fixing | fixed part 40 fixes the processing tank 30 and the contact plate 20 so that a movement is possible. As shown in FIGS. 1 to 5, the processing tank first fixing part 40 is formed with a fixing bolt part 41 attached to the peripheral surface of the processing tank 30 and an elongated hole formed in the backing plate 20 and through which the fixing bolt part 41 is inserted. A portion 22, a washer 42, and a fixing nut portion 43 that is screwed into the fixing bolt portion 41 are provided. In this embodiment, the process tank 1st fixing | fixed part 40 is provided in two places for every one contact plate 20. As shown in FIG.

固定ボルト部４１は、いわゆるスタッドボルトであり、棒状に形成される。固定ボルト部４１の両端部には、ねじ山４４，４４が形成される。固定ボルト部４１は、一端部が処理槽３０の周面に形成されたねじ溝（図示せず）に螺合されることで処理槽３０の周面に取り付けられる。本実施形態では、固定ボルト部４１は、処理槽３０の周面における下半分の部分に配置される   The fixing bolt portion 41 is a so-called stud bolt and is formed in a rod shape. Screw threads 44 and 44 are formed at both ends of the fixing bolt portion 41. The fixing bolt portion 41 is attached to the peripheral surface of the processing bath 30 by being screwed into a thread groove (not shown) formed at one end of the fixing bolt portion 41 on the peripheral surface of the processing bath 30. In the present embodiment, the fixing bolt portion 41 is disposed in the lower half portion of the peripheral surface of the processing tank 30.

長穴部２２は、当て板２０の長手方向の両端部における脚体１０との接合部よりも外側に形成される。長穴部２２は、少なくとも処理槽３０の周方向に沿う方向の長さが固定ボルト部４１の径よりも大きく形成される。本実施形態では、長穴部２２の幅（処理槽３０の軸方向に沿う方向の長さ）は、固定ボルト部４１の径と略等しく、長さ（処理槽３０の周方向に沿う方向の長さ）は、固定ボルト部４１の両側にそれぞれ５ｍｍから３０ｍｍの余裕スペース、好ましくは１０ｍｍから２０ｍｍの余裕スペースを持つ長さに形成される。   The long hole portion 22 is formed on the outer side of the joint portion with the leg body 10 at both end portions in the longitudinal direction of the contact plate 20. The long hole portion 22 is formed so that at least the length in the direction along the circumferential direction of the treatment tank 30 is larger than the diameter of the fixing bolt portion 41. In the present embodiment, the width of the long hole portion 22 (the length in the direction along the axial direction of the treatment tank 30) is substantially equal to the diameter of the fixing bolt portion 41, and the length (the direction along the circumferential direction of the treatment tank 30). The length) is formed to have a margin space of 5 mm to 30 mm, preferably 10 mm to 20 mm, on both sides of the fixing bolt portion 41.

ワッシャ４２は、板状に形成される。ワッシャ４２には、板厚方向に貫通する貫通穴４５が形成され、貫通穴４５の径は、固定ボルト部４１と略同径に形成される。   The washer 42 is formed in a plate shape. The washer 42 is formed with a through hole 45 penetrating in the plate thickness direction, and the diameter of the through hole 45 is substantially the same as that of the fixing bolt portion 41.

固定ナット部４３は、一対のナット４６，４６によって構成される、いわゆるダブルナットである。一対のナット４６，４６のそれぞれには、板厚方向に貫通する貫通穴４７が形成され、貫通穴４７の径は、固定ボルト部４１の径と略同径に形成される。そして、貫通穴４７の内面には、ねじ山４４に螺合可能なねじ溝が形成されている。   The fixed nut portion 43 is a so-called double nut constituted by a pair of nuts 46 and 46. Each of the pair of nuts 46, 46 is formed with a through hole 47 that penetrates in the plate thickness direction, and the diameter of the through hole 47 is substantially the same as the diameter of the fixing bolt portion 41. A thread groove that can be screwed onto the thread 44 is formed on the inner surface of the through hole 47.

以上の処理槽第１固定部４０によれば、固定ボルト部４１が長穴部２２に挿通された状態で、当て板２０と処理槽３０とが、処理槽３０の周方向に移動可能に固定される。   According to the processing tank first fixing part 40 described above, the contact plate 20 and the processing tank 30 are fixed to be movable in the circumferential direction of the processing tank 30 in a state where the fixing bolt part 41 is inserted into the elongated hole part 22. Is done.

処理槽締結部５０は、処理槽３０と当て板２０とを移動不能に固定する。本実施形態では、処理槽締結部５０は、処理槽３０と当て板２０とを締結により移動不能に固定している。処理槽締結部５０は、図２及び図３に示すように、処理槽３０の周面の底部の近傍に取り付けられる締結ボルト部５１と、当て板２０に形成され締結ボルト部５１が挿通される締結穴部２３と、ワッシャ５２と、締結ボルト部５１に螺合される締結ナット部５３と、を備える。本実施形態において、処理槽締結部５０は、処理槽３０の周面の底部（最下端部）に配置され、当て板２０に形成された締結穴部２３の数に合わせ、当て板２０ごとに１つ設けられる。   The processing tank fastening part 50 fixes the processing tank 30 and the contact plate 20 so that they cannot move. In this embodiment, the processing tank fastening part 50 fixes the processing tank 30 and the contact plate 20 so that they cannot move by fastening. As shown in FIGS. 2 and 3, the processing tank fastening portion 50 is formed on the backing plate 20 and the fastening bolt portion 51 attached in the vicinity of the bottom portion of the peripheral surface of the processing bath 30, and the fastening bolt portion 51 is inserted therethrough. A fastening hole portion 23, a washer 52, and a fastening nut portion 53 that is screwed into the fastening bolt portion 51 are provided. In the present embodiment, the processing tank fastening part 50 is arranged at the bottom (lowermost end part) of the peripheral surface of the processing tank 30, and matches the number of fastening holes 23 formed in the backing plate 20 for each backing plate 20. One is provided.

締結ボルト部５１は、固定ボルト部４１と同様、スタッドボルトにより構成される。締結ボルト部５１は、一端部が処理槽３０の周面の下端部に形成されたねじ溝（図示せず）に螺合されることで処理槽３０の周面の下端部に取り付けられる。
締結穴部２３は、当て板２０の長手方向の中央部に形成される。締結穴部２３は、締結ボルト部５１の径と略同径の円形に形成される。 The fastening bolt part 51 is constituted by a stud bolt, like the fixing bolt part 41. The fastening bolt portion 51 is attached to the lower end portion of the peripheral surface of the processing bath 30 by one end screwed into a screw groove (not shown) formed in the lower end portion of the peripheral surface of the processing bath 30.
The fastening hole portion 23 is formed in the central portion in the longitudinal direction of the contact plate 20. The fastening hole portion 23 is formed in a circular shape having substantially the same diameter as that of the fastening bolt portion 51.

ワッシャ５２は、板状に形成される。ワッシャ５２には、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、締結ボルト部５１と略同径に形成される。   The washer 52 is formed in a plate shape. The washer 52 is formed with a through hole penetrating in the plate thickness direction, and the diameter of the through hole is formed to be substantially the same as that of the fastening bolt part 51.

締結ナット部５３は、単一のナットによって構成される。締結ナット部５３には、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、締結ボルト部５１の径と略同径に形成される。   The fastening nut portion 53 is configured by a single nut. A through hole that penetrates in the plate thickness direction is formed in the fastening nut portion 53, and the diameter of the through hole is formed to be substantially the same as the diameter of the fastening bolt portion 51.

以上の処理槽締結部５０によれば、この処理槽締結部５０においては、処理槽３０は、当て板２０に対して移動不能に固定（締結）される。   According to the above processing tank fastening part 50, in this processing tank fastening part 50, the processing tank 30 is fixed (fastened) to the backing plate 20 so as not to move.

脚体第１固定部６０は、脚体１０の下端部と設置面Ｌとを移動可能に固定する。脚体第１固定部６０は、図２、図３、図６及び図７に示すように、設置面Ｌに取り付けられる固定ボルト部６１と、脚体１０（底板１２）に形成される長穴部１４と、ワッシャ６２と、固定ボルト部６１に螺合される固定ナット部６３と、を備える。
本実施形態では、脚体第１固定部６０は、３つの脚体１０のうち、他端部（前端部）に配置された脚体１０以外の２つの脚体１０に設けられる。 The leg 1st fixing | fixed part 60 fixes the lower end part and installation surface L of the leg 10 so that a movement is possible. As shown in FIGS. 2, 3, 6, and 7, the leg first fixing portion 60 includes a fixing bolt portion 61 that is attached to the installation surface L and a long hole that is formed in the leg 10 (bottom plate 12). Part 14, a washer 62, and a fixing nut part 63 screwed into the fixing bolt part 61.
In this embodiment, the leg 1st fixing | fixed part 60 is provided in two leg bodies 10 other than the leg body 10 arrange | positioned among the three leg bodies 10 at the other end part (front end part).

固定ボルト部６１は、固定ボルト部４１と同様、スタッドボルトにより構成される。固定ボルト部６１は、一端部が設置面Ｌに形成されたねじ溝（図示せず）に螺合されることで設置面Ｌに取り付けられる。   The fixing bolt part 61 is constituted by a stud bolt, like the fixing bolt part 41. The fixing bolt portion 61 is attached to the installation surface L by being screwed into a thread groove (not shown) formed on the installation surface L at one end.

長穴部１４は、底板１２の中央部に形成される。長穴部１４は、少なくとも処理槽３０の軸方向に沿う方向の長さが固定ボルト部６１の径よりも大きく形成される。本実施形態では、長穴部１４の幅（処理槽３０の周方向に沿う方向の長さ）は、固定ボルト部６１の径と略等しく、長さ（処理槽３０の軸方向に沿う方向の長さ）が固定ボルト部６１の径の２倍〜３倍の長さに形成される。   The long hole portion 14 is formed in the center portion of the bottom plate 12. The long hole portion 14 is formed so that at least the length in the direction along the axial direction of the treatment tank 30 is larger than the diameter of the fixing bolt portion 61. In the present embodiment, the width of the long hole portion 14 (the length in the direction along the circumferential direction of the treatment tank 30) is substantially equal to the diameter of the fixing bolt portion 61, and the length (the direction along the axial direction of the treatment tank 30). The length) is formed to be twice to three times the diameter of the fixing bolt portion 61.

ワッシャ６２は、板状に形成される。ワッシャ６２には、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、固定ボルト部６１と略同径に形成される。   The washer 62 is formed in a plate shape. The washer 62 is formed with a through hole penetrating in the plate thickness direction, and the diameter of the through hole is formed to be substantially the same as that of the fixing bolt portion 61.

固定ナット部６３は、一対のナット６６，６６によって構成される、いわゆるダブルナットである。一対のナット６６，６６のそれぞれには、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、固定ボルト部６１の径と略同径に形成される。   The fixed nut portion 63 is a so-called double nut configured by a pair of nuts 66 and 66. Each of the pair of nuts 66, 66 is formed with a through hole penetrating in the plate thickness direction, and the diameter of the through hole is formed to be approximately the same as the diameter of the fixing bolt portion 61.

以上の脚体第１固定部６０によれば、固定ボルト部６１が長穴部１４に挿通された状態で、脚体１０が設置面Ｌに対して処理槽３０の軸方向に移動可能に固定される。   According to the leg first fixing portion 60 described above, the leg 10 is fixed to be movable in the axial direction of the processing tank 30 with respect to the installation surface L in a state where the fixing bolt portion 61 is inserted into the elongated hole portion 14. Is done.

脚体締結部７０は、脚体１０と設置面Ｌとを移動不能に固定する。本実施形態では、脚体締結部７０は、脚体１０と設置面Ｌとを締結により移動不能に固定している。脚体締結部７０は、図２、図３、図６及び図７に示すように、設置面Ｌに取り付けられる締結ボルト部７１と、脚体１０（底板１２）に形成される締結穴部１５と、ワッシャ７２と、締結ボルト部７１に螺合される締結ナット部７３と、を備える。
本実施形態では、脚体締結部７０は、３つの脚体１０のうち、他端部（前端部）に配置された脚体１０に設けられる。 The leg fastening part 70 fixes the leg 10 and the installation surface L so that they cannot move. In this embodiment, the leg fastening part 70 fixes the leg 10 and the installation surface L so that they cannot move by fastening. As shown in FIGS. 2, 3, 6, and 7, the leg fastening part 70 includes a fastening bolt part 71 that is attached to the installation surface L and a fastening hole part 15 that is formed in the leg 10 (bottom plate 12). A washer 72 and a fastening nut portion 73 screwed into the fastening bolt portion 71.
In the present embodiment, the leg fastening portion 70 is provided on the leg 10 arranged at the other end (front end) of the three legs 10.

締結ボルト部７１は、固定ボルト部６１と同様、スタッドボルトにより構成される。締結ボルト部７１は、一端部が設置面Ｌに形成されたねじ溝（図示せず）に螺合されることで設置面Ｌに取り付けられる。   The fastening bolt part 71 is constituted by a stud bolt as in the case of the fixing bolt part 61. The fastening bolt portion 71 is attached to the installation surface L by being screwed into a thread groove (not shown) formed on the installation surface L at one end.

締結穴部１５は、底板１２の中央部に形成される。締結穴部１５は、締結ボルト部７１の径と略同径の円形に形成される。   The fastening hole 15 is formed at the center of the bottom plate 12. The fastening hole portion 15 is formed in a circular shape having substantially the same diameter as that of the fastening bolt portion 71.

ワッシャ７２は、板状に形成される。ワッシャ７２には、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、締結ボルト部７１と略同径に形成される。   The washer 72 is formed in a plate shape. The washer 72 is formed with a through hole penetrating in the plate thickness direction, and the diameter of the through hole is formed to be substantially the same as that of the fastening bolt part 71.

締結ナット部７３は、単一のナットによって構成される。締結ナット部７３には、板厚方向に貫通する貫通穴が形成され、貫通穴の径は、締結ボルト部７１の径と略同径に形成される。   The fastening nut portion 73 is configured by a single nut. A through hole that penetrates in the plate thickness direction is formed in the fastening nut portion 73, and the diameter of the through hole is formed to be approximately the same as the diameter of the fastening bolt portion 71.

以上の脚体締結部７０によれば、この脚体締結部７０においては、脚体１０は、設置面Ｌに対して移動不能に固定（締結）される。   According to the above-described leg fastening part 70, in this leg fastening part 70, the leg 10 is fixed (fastened) to the installation surface L so as not to move.

以上説明した本実施形態の加熱殺菌装置１は、例えば、以下のようにして設置される。
まず、当て板２０と一対の脚体本体１１とを溶接等により接合し、当て板２０が接合された脚体１０を製造する。また、処理槽３０の所定箇所に締結ボルト部５１及び固定ボルト部４１を取り付ける。 The heat sterilization apparatus 1 of this embodiment described above is installed as follows, for example.
First, the contact plate 20 and the pair of leg main bodies 11 are joined by welding or the like to manufacture the leg 10 to which the contact plate 20 is joined. Further, the fastening bolt part 51 and the fixing bolt part 41 are attached to predetermined locations of the processing tank 30.

次いで、脚体第１固定部６０及び脚体締結部７０において、当て板２０が接合された脚体１０を設置面Ｌに固定又は締結する。具体的には、設置面Ｌに配置する３つの脚体１０のうち、処理槽３０の他端（前端）側に配置される脚体１０を脚体締結部７０により設置面Ｌに締結する。また、残りの脚体１０（処理槽３０の中央部に配置される脚体１０及び処理槽３０の一端（後端）側に配置される脚体１０）を、脚体第１固定部６０により設置面Ｌに固定する。   Next, in the leg first fixing portion 60 and the leg fastening portion 70, the leg 10 to which the backing plate 20 is joined is fixed or fastened to the installation surface L. Specifically, among the three legs 10 arranged on the installation surface L, the leg 10 arranged on the other end (front end) side of the treatment tank 30 is fastened to the installation surface L by the leg fastening part 70. In addition, the remaining leg 10 (the leg 10 disposed in the center of the treatment tank 30 and the leg 10 disposed on one end (rear end) side of the treatment tank 30) is moved by the leg first fixing unit 60. Fix to the installation surface L.

次いで、設置面Ｌに固定又は締結された脚体１０の上部に接合された当て板２０の上面側に処理槽３０を配置し、処理槽第１固定部４０及び処理槽締結部５０において、処理槽３０を当て板２０に固定又は締結する。ここで、処理槽３０は、開閉扉３３が配置された軸方向の他端側が脚体締結部７０により設置面Ｌに締結された脚体１０側に位置するように配置される。   Next, the treatment tank 30 is disposed on the upper surface side of the contact plate 20 joined to the upper part of the leg 10 fixed or fastened to the installation surface L. In the treatment tank first fixing part 40 and the treatment tank fastening part 50, the treatment tank 30 is treated. The tank 30 is fixed or fastened to the contact plate 20. Here, the processing tank 30 is disposed such that the other end side in the axial direction where the open / close door 33 is disposed is located on the leg 10 side fastened to the installation surface L by the leg fastening portion 70.

これにより、加熱殺菌装置１が設置面Ｌに設置される。   Thereby, the heat sterilizer 1 is installed on the installation surface L.

以上の加熱殺菌装置１は、以下のようにして用いられる。
まず、開閉扉３３が開放され、処理槽３０の内部に殺菌対象物が搬入される。殺菌対象物の搬入の後に開閉扉３３が閉止され処理槽３０は密閉される。そして、処理槽３０の内部が加圧されるとともに熱湯により満たされ加熱される。これにより、殺菌対象物が殺菌される。 The above heat sterilizer 1 is used as follows.
First, the open / close door 33 is opened, and the sterilization target is carried into the processing tank 30. After the sterilization target is carried in, the open / close door 33 is closed and the treatment tank 30 is sealed. And the inside of the processing tank 30 is pressurized and filled with hot water and heated. Thereby, the sterilization object is sterilized.

処理槽３０の内部が熱湯により満たされることにより、処理槽３０は、熱湯から得た熱により軸方向及び周方向に膨張する。一方で、脚体１０及び当て板２０には急激な熱膨張は発生しない。処理槽３０が周方向に膨張することにより、処理槽締結部５０の固定ボルト部４１，４１のそれぞれは、当て板２０の長穴部２２，２２に沿って移動する。これにより、ワッシャ４２，４２及び固定ナット部４３，４３のそれぞれも、固定ボルト部４１，４１の移動に伴って移動する。また、処理槽締結部５０が当て板２０に処理槽３０を移動不能に締結していることにより、処理槽３０が軸方向を中心として回動することが防止される。   When the inside of the processing tank 30 is filled with hot water, the processing tank 30 expands in the axial direction and the circumferential direction by the heat obtained from the hot water. On the other hand, rapid thermal expansion does not occur in the leg 10 and the contact plate 20. As the treatment tank 30 expands in the circumferential direction, the fixing bolt parts 41 and 41 of the treatment tank fastening part 50 move along the long hole parts 22 and 22 of the backing plate 20, respectively. Accordingly, the washers 42 and 42 and the fixing nut portions 43 and 43 also move with the movement of the fixing bolt portions 41 and 41. In addition, since the processing tank fastening portion 50 fastens the processing tank 30 to the contact plate 20 so as not to move, the processing tank 30 is prevented from rotating about the axial direction.

また、処理槽３０が軸方向に膨張することにより、処理槽３０は、設置面Ｌに対して軸方向に移動しようとする。このとき、処理槽締結部５０及び処理槽第１固定部４０を介して、脚体１０及び当て板２０も同様に軸方向に移動しようとする。脚体第１固定部６０により、底板１２が長穴部１４の形成方向（処理槽３０の軸方向）に沿って移動できるので、処理槽３０、当て板２０、及び、脚体１０の軸方向への移動が許容される。このように、脚体第１固定部６０は、脚体１０（処理槽３０）の軸方向への移動を許容しつつ、設置面Ｌと脚体１０とを固定できる。また、処理槽３０の他端（前端）側において、脚体締結部７０により脚体１０を設置面Ｌに対して移動不能に締結していることにより、処理槽３０の前端部の位置が移動してしまうことが防止される。   In addition, the processing tank 30 tends to move in the axial direction with respect to the installation surface L as the processing tank 30 expands in the axial direction. At this time, the leg body 10 and the contact plate 20 also tend to move in the axial direction via the processing tank fastening section 50 and the processing tank first fixing section 40. Since the bottom plate 12 can move along the formation direction of the elongated hole portion 14 (the axial direction of the processing bath 30) by the leg first fixing portion 60, the axial direction of the processing bath 30, the contact plate 20, and the leg 10 Movement to is allowed. Thus, the leg 1st fixing | fixed part 60 can fix the installation surface L and the leg 10 while allowing the movement of the leg 10 (processing tank 30) to the axial direction. Moreover, the position of the front-end part of the processing tank 30 moves because the leg 10 is fastened to the installation surface L by the leg fastening part 70 on the other end (front end) side of the processing tank 30. Is prevented.

一方、殺菌対象物の殺菌が終わり、熱湯が処理槽３０から除去されることにより、処理槽３０は、冷却される。これにより、処理槽３０は、軸方向及び周方向に収縮する。処理槽３０が周方向に収縮することにより、処理槽締結部５０の固定ボルト部４１，４１のそれぞれは、当て板２０の長穴部２２，２２に沿って移動する。これにより、ワッシャ４２，４２及び固定ナット部４３，４３のそれぞれも、固定ボルト部４１，４１の移動に伴って移動する。このように、処理槽第１固定部４０は、処理槽３０（固定ボルト部）の周方向への移動を許容しつつ、処理槽３０と当て板２０とを固定することができる。   On the other hand, the sterilization of the object to be sterilized is completed, and the hot water is removed from the treatment tank 30, whereby the treatment tank 30 is cooled. Thereby, the processing tank 30 contracts in the axial direction and the circumferential direction. When the processing tank 30 contracts in the circumferential direction, the fixing bolt parts 41 and 41 of the processing tank fastening part 50 move along the long hole parts 22 and 22 of the backing plate 20, respectively. Accordingly, the washers 42 and 42 and the fixing nut portions 43 and 43 also move with the movement of the fixing bolt portions 41 and 41. Thus, the processing tank 1st fixing | fixed part 40 can fix the processing tank 30 and the contact plate 20, accept | permitting the movement to the circumferential direction of the processing tank 30 (fixed bolt part).

また、処理槽３０が軸方向に収縮することにより、脚体第１固定部６０を介して脚体１０及び当て板２０も同様に軸方向に移動しようとする。このとき、処理槽締結部５０及び処理槽第１固定部４０を介して、脚体１０及び当て板２０も同様に軸方向に移動しようとする。脚体第１固定部６０により、底板１２が長穴部１４の形成方向（処理槽３０の軸方向）に沿って移動できるので、処理槽３０、当て板２０、及び、脚体１０の軸方向への移動が許容される。このように、脚体第１固定部６０は、脚体１０（処理槽３０）の軸方向への移動を許容しつつ、設置面Ｌと脚体１０とを固定できる。   In addition, when the treatment tank 30 contracts in the axial direction, the leg body 10 and the contact plate 20 also try to move in the axial direction through the leg first fixing portion 60. At this time, the leg body 10 and the contact plate 20 also tend to move in the axial direction via the processing tank fastening section 50 and the processing tank first fixing section 40. Since the bottom plate 12 can move along the formation direction of the elongated hole portion 14 (the axial direction of the processing bath 30) by the leg first fixing portion 60, the axial direction of the processing bath 30, the contact plate 20, and the leg 10 Movement to is allowed. Thus, the leg 1st fixing | fixed part 60 can fix the installation surface L and the leg 10 while allowing the movement of the leg 10 (processing tank 30) to the axial direction.

以上、説明した一実施形態の加熱殺菌装置１によれば、以下のような効果を奏する。   As mentioned above, according to the heat sterilizer 1 of one Embodiment demonstrated, there exist the following effects.

（１）加熱殺菌装置１における処理槽３０は、急激な加熱又は冷却により周方向に膨張又は収縮する。一方、脚体１０及び当て板２０には、処理槽３０のような急激な温度変化は生じない。そのため、処理槽３０と当て板２０との間に温度差が生じて熱応力が発生してしまう。そこで、加熱殺菌装置１を、処理槽３０と当て板２０とを固定する処理槽第１固定部４０を含んで構成し、この処理槽第１固定部４０を、処理槽３０に取り付けられた固定ボルト部４１と、当て板２０に形成され処理槽３０の周方向に延びる長穴部２２と、固定ボルト部４１が長穴部２２に挿通された状態で、当て板２０と処理槽３０とを、固定ボルト部４１が当て板２０に対して周方向に移動可能に固定する固定ナット部４３と、を含んで構成した。これにより、処理槽３０が加熱又は冷却されて周方向に膨張又は収縮した場合に、処理槽第１固定部４０において、固定ボルト部４１（処理槽３０）の周方向への移動を許容しつつ処理槽３０と当て板２０とを固定できる。よって、処理槽３０と当て板２０との間に熱応力が発生した場合であっても、これら処理槽３０と当て板２０とを移動不能に固定（溶接）した場合に比して、処理槽３０と当て板２０との固定部分における破損の発生を抑制できる。   (1) The treatment tank 30 in the heat sterilization apparatus 1 expands or contracts in the circumferential direction by rapid heating or cooling. On the other hand, the temperature change unlike the treatment tank 30 does not occur in the leg 10 and the contact plate 20. Therefore, a temperature difference arises between the processing tank 30 and the backing plate 20, and a thermal stress will generate | occur | produce. Therefore, the heat sterilization apparatus 1 is configured to include a processing tank first fixing part 40 that fixes the processing tank 30 and the contact plate 20, and the processing tank first fixing part 40 is fixed to the processing tank 30. With the bolt part 41, the elongated hole part 22 formed in the contact plate 20 extending in the circumferential direction of the treatment tank 30, and the fixing bolt part 41 inserted through the elongated hole part 22, the contact plate 20 and the treatment tank 30 are connected. The fixing bolt portion 41 includes a fixing nut portion 43 that is fixed to the backing plate 20 so as to be movable in the circumferential direction. Thereby, when the processing tank 30 is heated or cooled and expands or contracts in the circumferential direction, the processing bolt first fixing portion 40 allows the fixing bolt portion 41 (processing tank 30) to move in the circumferential direction. The processing tank 30 and the contact plate 20 can be fixed. Therefore, even when a thermal stress is generated between the treatment tank 30 and the contact plate 20, the treatment tank 30 and the contact plate 20 are fixed (welded) so as not to move. Generation | occurrence | production of the damage in the fixed part of 30 and the contact plate 20 can be suppressed.

（２）加熱殺菌装置１を、処理槽３０の周面の下端部に配置され、当て板２０と処理槽３０とを締結する処理槽締結部５０を含んで構成した。これにより、一点においては、処理槽３０と当て板２０とを移動不能に固定（締結）できるので、処理槽３０と当て板２０とをより安定的に固定できる。   (2) The heat sterilization apparatus 1 is disposed at the lower end portion of the peripheral surface of the treatment tank 30 and includes a treatment tank fastening portion 50 that fastens the backing plate 20 and the treatment tank 30. Thereby, in one point, since the processing tank 30 and the contact plate 20 can be fixed (fastened) immovably, the process tank 30 and the contact plate 20 can be fixed more stably.

（３）加熱殺菌装置１における処理槽３０は、急激な加熱又は冷却により軸方向にも膨張又は収縮する。そこで、加熱殺菌装置１を、脚体１０の下端部と設置面Ｌとを固定する脚体第１固定部６０を含んで構成し、この脚体第１固定部６０を、設置面Ｌに取り付けられた固定ボルト部６１と、脚体１０に形成され処理槽３０の軸方向に延びる長穴部１４と、固定ボルト部６１が長穴部１４に挿通された状態で、設置面Ｌと脚体１０とを、脚体１０が固定ボルト部６１に対して軸方向に移動可能に固定する固定する固定ナット部６３と、を含んで構成した。これにより、処理槽３０が加熱又は冷却されて軸方向に膨張又は収縮した場合に、脚体第１固定部６０において、脚体１０（つまり処理槽３０）の軸方向への移動を許容しつつ設置面Ｌと脚体１０とを固定できる。よって、設置面Ｌと脚体１０とを移動不能に固定（締結）した場合に比して、処理槽３０における破損の発生を抑制できる。   (3) The treatment tank 30 in the heat sterilization apparatus 1 expands or contracts in the axial direction by rapid heating or cooling. Therefore, the heat sterilization apparatus 1 includes a leg first fixing portion 60 that fixes the lower end portion of the leg 10 and the installation surface L, and the leg first fixing portion 60 is attached to the installation surface L. The installation surface L and the leg body with the fixing bolt part 61 formed, the elongated hole part 14 formed in the leg body 10 extending in the axial direction of the treatment tank 30, and the fixing bolt part 61 inserted through the elongated hole part 14. 10 and a fixing nut portion 63 that fixes the leg 10 so as to be movable in the axial direction with respect to the fixing bolt portion 61. Thereby, when the processing tank 30 is heated or cooled and expands or contracts in the axial direction, the leg 10 (that is, the processing tank 30) is allowed to move in the axial direction in the leg first fixing portion 60. The installation surface L and the leg 10 can be fixed. Therefore, compared with the case where the installation surface L and the leg body 10 are fixed (fastened) so as not to move, the occurrence of breakage in the treatment tank 30 can be suppressed.

（４）脚体１０を処理槽３０の軸方向に複数配置し、加熱殺菌装置１を、処理槽３０の前端部に配置される脚体１０と設置面Ｌとを締結する脚体締結部７０を含んで構成した。これにより、処理槽３０の端部においては、設置面Ｌと処理槽３０とを移動不能に固定（締結）できるので、加熱殺菌装置１の位置決めを好適に行える。   (4) A plurality of legs 10 are arranged in the axial direction of the treatment tank 30, and the heat sterilization apparatus 1 is joined to the legs 10 arranged at the front end of the treatment tank 30 and the installation surface L. Constructed including. Thereby, in the edge part of the processing tank 30, since the installation surface L and the processing tank 30 can be fixed (fastened) immovably, positioning of the heat sterilizer 1 can be performed suitably.

以上、本発明の加熱殺菌装置の好ましい一実施形態につき説明したが、本発明は、上述の実施形態に制限されるものではなく、適宜変更が可能である。
例えば、本実施形態では、処理槽３０を円筒形状として説明したが、角柱形状であってもよい。これに合わせ、当て板２０は、屈曲する形状であってもよい。また、脚体１０及び当て板２０の数は、処理槽３０を支持可能な数だけ設けられればよく、３つに限定されない。 The preferred embodiment of the heat sterilization apparatus of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and can be modified as appropriate.
For example, in the present embodiment, the treatment tank 30 has been described as a cylindrical shape, but may be a prismatic shape. In accordance with this, the backing plate 20 may be bent. Moreover, the number of the legs 10 and the contact plates 20 is not limited to three as long as the number of the legs 10 and the contact plates 20 can be provided to support the treatment tank 30.

また、本実施形態では、固定ボルト部４１を、スタッドボルトにより構成し、このスタッドボルトの一端部を処理槽３０の周面に螺合させて処理槽３０に取り付けたが、これに限らない。即ち、固定ボルト部４１を、処理槽３０の周面に溶接して取り付けてもよい。   Moreover, in this embodiment, although the fixing bolt part 41 was comprised with the stud bolt and the one end part of this stud bolt was screwed together to the peripheral surface of the process tank 30, it attached to the process tank 30, but it is not restricted to this. That is, the fixing bolt part 41 may be attached by welding to the peripheral surface of the processing tank 30.

また、当て板２０ごとに処理槽第１固定部４０を２つ設けることとしたが、処理槽３０及び当て板２０の間の固定が確保できる限り、処理槽第１固定部４０を当て板２０ごとに１つとしてもよい。また、３つ以上の処理槽第１固定部４０によって、処理槽３０及び当て板２０が固定されていてもよい。   In addition, although two treatment tank first fixing portions 40 are provided for each contact plate 20, as long as the fixation between the treatment tank 30 and the contact plate 20 can be secured, the treatment tank first fixing portion 40 is used as the contact plate 20. One may be provided for each. Further, the processing tank 30 and the contact plate 20 may be fixed by three or more processing tank first fixing portions 40.

また、長穴部２２を固定ボルト部４１の径よりも大きな径をもつ断面円形状で形成することにより、処理槽３０の周方向への膨張による周方向への固定ボルト部４１の移動を許容してもよい。このとき、長穴部２２の径は、固定ボルト部４１の周方向への移動を十分に許容できる大きさに形成することが好ましい。   Further, by forming the elongated hole portion 22 with a circular cross section having a diameter larger than the diameter of the fixing bolt portion 41, the fixing bolt portion 41 is allowed to move in the circumferential direction due to the expansion of the processing tank 30 in the circumferential direction. May be. At this time, it is preferable that the diameter of the long hole portion 22 is formed to a size that can sufficiently allow the fixing bolt portion 41 to move in the circumferential direction.

また、本実施形態では、処理槽第２固定部を、処理槽３０と当て板２０とを締結により移動不能に固定する処理槽締結部５０により構成したが、これに限らない。即ち、処理槽３０に取り付けられたボルトを当て板２０に形成された貫通穴に挿入した状態で、貫通穴の周囲においてボルトと当て板２０とを溶接することにより、処理槽３０と当て板２０とを移動不能に固定する処理槽第２固定部の構成としてもよい。これにより、当て板とボルトとの溶接線を短くできるので、熱による膨張・収縮の影響を小さくできる。   Moreover, in this embodiment, although the process tank 2nd fixing | fixed part was comprised by the process tank fastening part 50 which fixes the process tank 30 and the contact plate 20 so that it cannot move by fastening, it is not restricted to this. That is, with the bolt attached to the treatment tank 30 inserted into the through hole formed in the contact plate 20, the treatment tank 30 and the contact plate 20 are welded to the bolt and the contact plate 20 around the through hole. It is good also as a structure of the process tank 2nd fixing | fixed part which fixes to unmovability. Thereby, since the welding line of a backing plate and a volt | bolt can be shortened, the influence of expansion / contraction by heat can be made small.

１ 加熱殺菌装置
１０ 脚体
１４，２２ 長穴部
２０ 当て板
３０ 処理槽
４０ 処理槽第１固定部
４１，６１ 固定ボルト部
４３，６３ 固定ナット部
５０ 処理槽締結部（処理槽第２固定部）
６０ 脚体第１固定部
７０ 脚体締結部（脚体第２固定部）
Ｌ 設置面 DESCRIPTION OF SYMBOLS 1 Heat sterilizer 10 Leg body 14,22 Elongate hole part 20 Batting plate 30 Processing tank 40 Processing tank 1st fixing | fixed part 41,61 Fixing bolt part 43,63 Fixing nut part 50 Processing tank fastening part (processing tank 2nd fixing part )
60 first leg fixing part 70 leg fastening part (second leg fixing part)
L Installation surface

Claims (4)

上下方向に延びる脚体と、該脚体の上部に接合される当て板と、該当て板に載置されることにより周面が支持される筒状の処理槽と、前記処理槽と前記当て板とを固定する処理槽第１固定部と、を備える加熱殺菌装置であって、
前記処理槽第１固定部は、
一端部が前記処理槽の周面に取り付けられ処理槽の径方向に延びる固定ボルト部と、
前記当て板に形成され前記固定ボルト部が挿通される長穴部であって、少なくとも周方向の長さが前記固定ボルト部の径よりも大きく形成される長穴部と、
前記固定ボルト部が前記長穴部に挿通された状態で、前記当て板と前記処理槽とを、前記固定ボルト部が前記当て板に対して周方向に移動可能に固定する固定ナット部と、を備える加熱殺菌装置。 Legs extending in the vertical direction, a contact plate joined to the upper part of the legs, a cylindrical treatment tank whose peripheral surface is supported by being placed on the corresponding plate, the treatment tank, and the contact A heat treatment sterilizer comprising a treatment tank first fixing part for fixing a plate,
The treatment tank first fixing part is:
A fixing bolt part having one end part attached to the peripheral surface of the treatment tank and extending in the radial direction of the treatment tank,
An elongated hole portion formed in the contact plate and through which the fixing bolt portion is inserted, wherein at least a circumferential length is larger than a diameter of the fixed bolt portion; and
With the fixing bolt part inserted through the elongated hole part, a fixing nut part for fixing the backing plate and the processing tank so that the fixing bolt part is movable in the circumferential direction with respect to the backing plate; A heat sterilizer comprising: 前記処理槽の周面の底部の近傍に配置され、前記当て板と前記処理槽とを移動不能に固定する処理槽第２固定部を更に備える請求項１に記載の加熱殺菌装置。   The heat sterilization apparatus according to claim 1, further comprising a treatment tank second fixing part that is disposed in the vicinity of the bottom of the peripheral surface of the treatment tank and that immobilizes the contact plate and the treatment tank. 前記脚体の下端部と設置面とを固定する脚体第１固定部を更に備え、
前記脚体第１固定部は、
下端部が設置面に取り付けられ鉛直方向上方に延びる固定ボルト部と、
前記脚体に前記処理槽の軸方向に延びて形成され前記固定ボルト部が挿通される長穴部と、
前記固定ボルト部が前記長穴部に挿通された状態で、前記設置面と前記脚体とを、前記脚体が前記固定ボルト部に対して軸方向に移動可能に固定する固定ナット部と、を備える請求項１又は２に記載の加熱殺菌装置。 A leg first fixing portion for fixing the lower end of the leg and the installation surface;
The leg first fixing part is:
A fixing bolt portion having a lower end attached to the installation surface and extending vertically upward;
An elongated hole portion through which the fixing bolt portion is inserted and formed in the leg body in the axial direction of the treatment tank;
With the fixing bolt portion inserted through the elongated hole portion, a fixing nut portion that fixes the installation surface and the leg body so that the leg body is movable in the axial direction with respect to the fixing bolt portion; A heat sterilizer according to claim 1 or 2. 前記脚体は、前記処理槽の軸方向に複数配置され、
前記処理槽の前端部に配置される前記脚体と前記設置面とを移動不能に固定する脚体第２固定部を更に備える請求項３に記載の加熱殺菌装置。 A plurality of the legs are arranged in the axial direction of the treatment tank,
The heat sterilizer according to claim 3, further comprising a leg second fixing portion that fixes the leg and the installation surface disposed at the front end of the processing tank so as not to move.
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鈴木忠雄: "熱膨張", ボイラ研究, vol. 第315号, JPN6020027261, October 2002 (2002-10-01), pages 43 - 45, ISSN: 0004314645 *

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