JP2016215209A - Isotropic pressure device, and pressure treatment method using the device - Google Patents

Isotropic pressure device, and pressure treatment method using the device Download PDF

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JP2016215209A
JP2016215209A JP2015099661A JP2015099661A JP2016215209A JP 2016215209 A JP2016215209 A JP 2016215209A JP 2015099661 A JP2015099661 A JP 2015099661A JP 2015099661 A JP2015099661 A JP 2015099661A JP 2016215209 A JP2016215209 A JP 2016215209A
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pressure
bucket
isotropic
pressure vessel
pressure medium
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JP2015099661A
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JP6511608B2 (en
Inventor
新和 岸
Chikakazu Kishi
新和 岸
大基 三浦
Daiki Miura
大基 三浦
孝紀 山内
Takanori Yamauchi
孝紀 山内
鈴木　隆志
Takashi Suzuki
隆志 鈴木
功次 三浦
Koji Miura
功次 三浦
彰 齋藤
Akira Saito
彰 齋藤
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Momonoura Producer Of Oyster Cons Co
Momonoura Producer Of Oyster Consolidated Co
Sendai-Suisan Co Ltd
Kobe Steel Ltd
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Momonoura Producer Of Oyster Cons Co
Momonoura Producer Of Oyster Consolidated Co
Sendai-Suisan Co Ltd
Kobe Steel Ltd
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Application filed by Momonoura Producer Of Oyster Cons Co, Momonoura Producer Of Oyster Consolidated Co, Sendai-Suisan Co Ltd, Kobe Steel Ltd filed Critical Momonoura Producer Of Oyster Cons Co
Priority to JP2015099661A priority Critical patent/JP6511608B2/en
Priority to TW105106911A priority patent/TWI568661B/en
Priority to KR1020160057346A priority patent/KR101747602B1/en
Priority to CN201610314528.5A priority patent/CN106142636B/en
Publication of JP2016215209A publication Critical patent/JP2016215209A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
    • B30B11/002—Isostatic press chambers; Press stands therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Press Drives And Press Lines (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Processing Of Meat And Fish (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an isotropic pressure device comprising a configuration capable of making up such a state that the foreign matters occurring from an object to be treated hardly contacts directly to instruments composing the device such as a pressure vessel, and to provide a pressure treatment method using the same.SOLUTION: An isotropic pressure device 100 is equipped with a cylindrical pressure vessel 1 having the opening parts 1a, 1b provided at both ends in an axial direction and disposed horizontally, and performs the pressure treatment of an object to be treated (for example, unshelled food) charged in the pressure vessel 1 by pushing, for example, fresh water as a first pressure medium from outside into the pressure vessel 1 in which the opening parts 1a, 1b are closed by caps 10, 11. The isotropic pressure device 100 is also equipped with a bucket 6 having the holes 13a on the upper part thereof, housing the object to be treated, and set inside the pressure vessel 1. At least salt water, for example, as a second pressure medium is poured into the bucket 6. The specific gravity of the first pressure medium is lower than that of the object to be treated, but the specific gravity of the second pressure medium is higher than or equal to that of the first pressure medium.SELECTED DRAWING: Figure 1

Description

本発明は、圧力容器の中に入れられた被処理物を液体の圧力媒体で加圧処理する等方圧加圧装置、およびそれを用いた加圧処理方法に関するものである。   The present invention relates to an isotropic pressure pressurizing apparatus that pressurizes an object to be processed placed in a pressure vessel with a liquid pressure medium, and a pressure processing method using the same.

この種の装置には、従来では、例えば下記の特許文献１に記載されたものがある。その従来技術は、次のように構成されている。下端開口が下蓋で閉止された円筒形状の圧力容器の中に水などの圧力媒体とともに被処理物を入れ、上端開口からピストンを押し込むことで圧力容器の中の被処理物を圧力媒体で等方圧にて加圧処理する。ピストンを用いた当該装置は、ピストン直圧式等方圧加圧装置と呼ばれる。上端開口をピストンに代えて上蓋で閉止し、圧力容器の中に外部から圧力媒体を押し込んで被処理物を等方圧にて加圧処理する形式の装置もあり、当該装置は、外部昇圧式等方圧加圧装置と呼ばれる。被処理物としては、金属粉末・セラミック粉末、食品などが挙げられる。金属粉末・セラミック粉末を等方圧にて加圧処理すると、均質な（方向性のない）圧縮成形品が得られる。   Conventionally, for example, this type of apparatus is described in Patent Document 1 below. The prior art is configured as follows. Place the workpiece with a pressure medium such as water in a cylindrical pressure vessel whose lower end opening is closed by the lower lid, and push the piston from the upper end opening to the workpiece in the pressure vessel. Pressurization is performed with a side pressure. The said apparatus using a piston is called a piston direct pressure type isotropic pressure pressurizing apparatus. There is also a device of the type in which the upper end opening is closed with an upper lid instead of a piston and a pressure medium is pushed into the pressure vessel from the outside to pressurize the object to be processed with isotropic pressure. It is called an isotropic pressure press. Examples of the object to be processed include metal powder / ceramic powder, food and the like. When the metal powder / ceramic powder is pressed at an isotropic pressure, a homogeneous (non-directional) compression molded product is obtained.

特開２０１０−９４７０９号公報JP 2010-94709 A

しかしながら、被処理物を等方圧にて加圧処理する上記した装置には次のような解決すべき課題が残されていた。加圧処理の過程で被処理物から異物が生じる。この異物は、比重の小さいものと、比重の大きいものとに大別され、比較的比重の小さい異物は特に問題ないが、比重の大きい異物は、圧力容器のシール部分や増圧機（高圧ポンプ）、減圧弁等に損傷を与える可能性がある。そのため、比重の大きい異物は、圧力容器などの等方圧加圧装置を構成する機器に直接触れにくくする必要がある。なお、金属粉末・セラミック粉末などが被処理物の場合は、生じる異物は、その破片やホコリなどであり、食品が被処理物の場合は、生じる異物は、例えば殻やコケ（貝など殻つきの食品の場合）などである。上記した異物のうち金属粉末・セラミック粉末の破片や貝の殻は、比重の大きい異物であり、ホコリやコケは、比重の小さい異物である。   However, the following problems to be solved remain in the above-described apparatus that pressurizes an object to be processed at an isotropic pressure. Foreign matter is generated from the object to be processed during the pressurizing process. These foreign substances are broadly classified into those with a low specific gravity and those with a high specific gravity. There are no particular problems with foreign substances with a relatively low specific gravity. However, foreign substances with a high specific gravity can be used for sealing parts of pressure vessels and pressure boosters (high pressure pumps). There is a possibility of damaging the pressure reducing valve. For this reason, it is necessary to make it difficult for a foreign substance having a large specific gravity to directly touch a device constituting an isotropic pressure device such as a pressure vessel. When metal powder or ceramic powder is the object to be treated, the generated foreign matter is fragments or dust. When the food is the object to be treated, the generated foreign object is, for example, shell or moss (shellfish or shelled shell). For food). Among the above-mentioned foreign matters, metal powder / ceramic powder fragments and shells are foreign matters having a high specific gravity, and dust and moss are foreign matters having a low specific gravity.

本発明は、上記実情に鑑みてなされたものであり、その目的は、被処理物から生じる異物を圧力容器などの装置を構成する機器に直接触れにくくすることができる構成を備えた等方圧加圧装置、およびそれを用いた加圧処理方法を提供することである。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an isotropic pressure having a configuration that can make it difficult to directly contact foreign matter generated from an object to be processed with a device such as a pressure vessel. It is to provide a pressure device and a pressure treatment method using the same.

本発明に係る等方圧加圧装置は、開口部が軸方向両端に設けられた横置き配置される筒状の圧力容器を備え、当該開口部が閉止された前記圧力容器の中に外部から液体の第１圧力媒体を押し込んで、または、前記圧力容器の中に入れられた液体の第１圧力媒体を前記開口部に挿入したピストンで押圧して、前記圧力容器の中に入れられた被処理物を加圧処理する等方圧加圧装置であって、上部に孔を有し、前記被処理物を収容して前記圧力容器内部に設置されるバケットを備え、前記バケット内には少なくとも第２圧力媒体が入れられ、前記第１圧力媒体の比重は前記被処理物の比重よりも小さく、前記第２圧力媒体の比重は前記第１圧力媒体の比重以上であることを特徴とする。   An isotropic pressure pressurizing apparatus according to the present invention includes a cylindrical pressure vessel that is horizontally disposed with openings provided at both ends in the axial direction, and is externally inserted into the pressure vessel in which the opening is closed. The liquid first pressure medium is pushed in, or the liquid first pressure medium placed in the pressure vessel is pressed by a piston inserted into the opening, and the object placed in the pressure vessel is placed. An isotropic pressure pressurizing apparatus for pressurizing a processing object, comprising a hole in an upper part, containing a bucket to accommodate the processing object and installed in the pressure vessel, and at least in the bucket A second pressure medium is placed, the specific gravity of the first pressure medium is smaller than the specific gravity of the workpiece, and the specific gravity of the second pressure medium is equal to or higher than the specific gravity of the first pressure medium.

また、本発明に係る加圧処理方法は、上記した等方圧加圧装置を用いた加圧処理方法であって、前記被処理物および前記第２圧力媒体を前記バケットの中に入れる被処理物収容工程と、前記被処理物および前記第２圧力媒体が入れられた前記バケットを前記開口部から前記圧力容器の中に入れるバケット格納工程と、前記開口部が閉止された前記圧力容器の中に外部から前記第１圧力媒体を押し込んで、または、前記圧力容器の中に入れられた前記第１圧力媒体を前記開口部に挿入したピストンで押圧して、前記バケットとともに前記圧力容器の中に入れられた前記被処理物を加圧処理する加圧処理工程と、加圧処理された前記被処理物が入れられた前記バケットを前記圧力容器の中から取り出すバケット取出し工程と、加圧処理された前記被処理物を前記バケットの中から取り出す被処理物取出し工程と、を備えることを特徴とする。   The pressurization processing method according to the present invention is a pressurization processing method using the above-described isotropic pressure pressurizing apparatus, and the process target and the second pressure medium are put into the bucket. An object storage step, a bucket storage step of putting the bucket into which the object to be processed and the second pressure medium are put into the pressure vessel from the opening, and an inside of the pressure vessel in which the opening is closed The first pressure medium is pushed in from the outside, or the first pressure medium put in the pressure vessel is pressed by a piston inserted into the opening, and the bucket is put into the pressure vessel together with the bucket. A pressurizing process for pressurizing the workpiece to be treated; a bucket removing process for taking out the bucket containing the pressurized workpiece to be treated; and a pressurizing process. Said The treated product, characterized in that it comprises a treatment object extraction step of taking out of the bucket.

本発明によれば、被処理物の比重よりも小さい比重の第１圧力媒体を圧力容器の中に入れ、且つ、第１圧力媒体の比重以上の比重の第２圧力媒体を、上部に孔を有するバケット内に被処理物とともに収容し、このバケットを圧力容器内部に設置するという構成をとることで、被処理物から生じる異物をバケット内に閉じ込めることができ、その結果、圧力容器などの装置を構成する機器に異物を直接触れにくくすることができる。これにより、圧力容器などの機器が被処理物から生じる異物で損傷することを防止することができるのである。   According to the present invention, the first pressure medium having a specific gravity smaller than the specific gravity of the object to be processed is placed in the pressure vessel, and the second pressure medium having a specific gravity greater than or equal to the specific gravity of the first pressure medium is provided with a hole in the upper part. It is possible to confine foreign matter generated from the object to be processed in the bucket by accommodating the object to be processed in the bucket and installing the bucket inside the pressure container. It is possible to make it difficult for a foreign object to be directly touched on the device constituting the. Thereby, it is possible to prevent the equipment such as the pressure vessel from being damaged by the foreign matter generated from the object to be processed.

本発明の一実施形態に係る等方圧加圧装置を示す斜視図である。It is a perspective view showing an isotropic pressure pressurizing device concerning one embodiment of the present invention. 図２Ａは、バケットの平面図であり、図２Ｂは、図２ＡのＸ−Ｘ断面図である。2A is a plan view of the bucket, and FIG. 2B is a sectional view taken along line XX of FIG. 2A. バケットを回転装置とともに示す断面図であり、図３Ａ、図３Ｂ、図３Ｃとしてバケットを軸回転させる（裏返す）方法を計３例示している。FIG. 4 is a cross-sectional view showing the bucket together with the rotating device, and illustrates a total of three methods for rotating the bucket (turning it over) as shown in FIGS. 3A, 3B, and 3C. 牡蠣および塩水が入れられたバケットが圧力容器の中に入れられて当該圧力容器に真水が注入された状態を示す断面図であり、図４Ａは圧力容器内に圧がかけられていない状態を示し、図４Ｂは圧力容器内に圧がかけられている状態を示す。FIG. 4A is a cross-sectional view showing a state where a bucket containing oysters and salt water is put in a pressure vessel and fresh water is injected into the pressure vessel, and FIG. 4A shows a state where no pressure is applied in the pressure vessel. FIG. 4B shows a state in which pressure is applied in the pressure vessel. 図２に示すバケットの変形例を示す図であり、図５Ａは、バケットの平面図であり、図５Ｂは、図５ＡのＹ−Ｙ断面図である。FIG. 5A is a plan view of the bucket, and FIG. 5B is a YY cross-sectional view of FIG. 5A.

以下、本発明を実施するための形態について図面を参照しつつ説明する。なお、以下の説明では、処理対象である被処理物を殻つきの牡蠣（食品）としているが、当該牡蠣は処理対象である被処理物の一例であり、処理対象である被処理物は、牡蠣に限定されるものではない。牡蠣以外の食品であってもよいし、金属粉末・セラミック粉末といった無機物（無機粉末）を被処理物としてもよい。   Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In the following description, the object to be processed is a shelled oyster (food), but the oyster is an example of the object to be processed, and the object to be processed is an oyster. It is not limited to. Foods other than oysters may be used, and inorganic substances (inorganic powders) such as metal powders and ceramic powders may be used as objects to be processed.

（等方圧加圧装置の構成）
図１に基づき、本発明の一実施形態に係る等方圧加圧装置１００の構成について説明する。本発明の一実施形態に係る等方圧加圧装置１００は、横置き配置される円筒形状の圧力容器１、プレスフレーム２、タンク３ａを有する給排水ユニット３、高圧ポンプユニット４、これらを制御する制御盤５、処理対象である牡蠣が入れられるバケット６などから構成される。バケット６は、供給コンベア７にて圧力容器１の中に入れられ、排出コンベア８にて圧力容器１の外へ出される。また、圧力容器１は、スライド装置９にてプレスフレーム２内と、コンベア７，８側との間を移動させられる。 (Configuration of isotropic pressure pressurizer)
Based on FIG. 1, the structure of the isotropic pressure application apparatus 100 which concerns on one Embodiment of this invention is demonstrated. An isotropic pressure pressurizing apparatus 100 according to an embodiment of the present invention controls a cylindrical pressure vessel 1, a press frame 2, a water supply / drainage unit 3 having a tank 3a, a high pressure pump unit 4, and the like. The control panel 5 is composed of a bucket 6 into which oysters to be processed are placed. The bucket 6 is put into the pressure vessel 1 by the supply conveyor 7 and is taken out of the pressure vessel 1 by the discharge conveyor 8. Further, the pressure vessel 1 is moved between the inside of the press frame 2 and the conveyors 7 and 8 side by the slide device 9.

圧力容器１の軸方向両端に設けられた開口部１ａ、ｂは、プレスフレーム２に取り付けられた第１蓋１０、第２蓋１１で閉止されるようになっている。図１に示したように、第２蓋１１は、大径部１１ｂ（鍔部）と小径部１１ａとを有し、圧力容器１の開口部１ｂに、小径部１１ａが保密状に挿入される。第１蓋１０の構成は、第２蓋１１と同じであり、圧力容器１の開口部１ａには、第１蓋１０の小径部１０ａが保密状に挿入される。開口部１ａ、ｂが蓋１０、１１で閉止された状態で、タンク３ａに蓄えられている第１圧力媒体としての真水が高圧ポンプユニット４により圧力容器１の中に押し込まれ、圧力容器１の中の被処理物（本実施形態では、牡蠣Ｏ（図４Ａ参照））が等方圧にて加圧処理される。すなわち、等方圧加圧装置１００は、圧力容器の中に外部から第１圧力媒体を押し込んで被処理物を等方圧にて加圧処理する外部昇圧式等方圧加圧装置の一つである。なお、高圧ポンプユニット４からの真水は、例えば第１蓋１０に形成された注入通路（不図示）より圧力容器１の中に押し込まれる。   Openings 1 a and b provided at both axial ends of the pressure vessel 1 are closed by a first lid 10 and a second lid 11 attached to the press frame 2. As shown in FIG. 1, the second lid 11 has a large-diameter portion 11 b (a collar portion) and a small-diameter portion 11 a, and the small-diameter portion 11 a is inserted into the opening 1 b of the pressure vessel 1 in a tight manner. . The configuration of the first lid 10 is the same as that of the second lid 11, and the small-diameter portion 10 a of the first lid 10 is inserted into the opening 1 a of the pressure vessel 1 in a tightly packed manner. In a state where the openings 1a and b are closed by the lids 10 and 11, fresh water as a first pressure medium stored in the tank 3a is pushed into the pressure vessel 1 by the high-pressure pump unit 4, and the pressure vessel 1 The object to be processed (in this embodiment, oyster O (see FIG. 4A)) is subjected to pressure treatment at an isotropic pressure. That is, the isotropic pressure pressurizing device 100 is one of the external pressurizing type isotropic pressure pressurizing devices that press the first pressure medium from the outside into the pressure vessel and pressurize the object to be processed at the isotropic pressure. It is. Note that fresh water from the high-pressure pump unit 4 is pushed into the pressure vessel 1 through an injection passage (not shown) formed in the first lid 10, for example.

なお、ピストン直圧式等方圧加圧装置を用いてもよい。この場合、例えば第２蓋１１がピストンとなる。第２蓋１１の小径部１１ａの長さは設計により決定される。第１蓋１０で開口部１ａが閉止された状態で、もう一方の開口部１１ｂから油圧シリンダ（不図示）などでピストン（第２蓋１１の小径部１１ａ）が押し込まれることで圧力容器１の中の被処理物は圧力媒体で等方圧にて加圧処理される。   A piston direct pressure type isotropic pressure pressurizing device may be used. In this case, for example, the second lid 11 is a piston. The length of the small diameter portion 11a of the second lid 11 is determined by design. With the opening 1a closed by the first lid 10, the piston (the small diameter portion 11a of the second lid 11) is pushed in from the other opening 11b by a hydraulic cylinder (not shown) or the like. The object to be processed is pressurized with an isotropic pressure medium.

バケット６について説明する。図２Ａおよび図２Ｂに示すように、バケット６は、軸方向両端が閉止されるとともに上部が開口する円筒形状のバケット本体１２と、ヒンジ１４を介してバケット本体１２の上部に取り付けられる断面円弧形状の蓋体１３とで構成される。蓋体１３には、複数の孔１３ａがあけられている。なお、バケット６の変形例に係るバケット１８を図５Ａおよび図５Ｂに示している。図５Ａおよび図５Ｂに示したように、複数の孔１９ａを有する蓋体１９は、平らな板形状とされている。このように、断面円弧形状の蓋体１３に代えて平らな板形状の蓋体としてもよい。また、蓋体１９は、ヒンジを介してバケット本体１２に取り付けられるのではなく、単に、バケット本体１２の上に載せられているのみである。このように、バケット本体１２の上部に着脱自在に取り付けられる蓋体１９であってもよい。   The bucket 6 will be described. As shown in FIGS. 2A and 2B, the bucket 6 has a cylindrical bucket body 12 that is closed at both ends in the axial direction and that opens at the top, and a circular arc shape that is attached to the top of the bucket body 12 via a hinge 14. And the lid body 13. The lid 13 has a plurality of holes 13a. In addition, the bucket 18 which concerns on the modification of the bucket 6 is shown to FIG. 5A and FIG. 5B. As shown in FIGS. 5A and 5B, the lid 19 having a plurality of holes 19a has a flat plate shape. As described above, a flat plate-shaped lid may be used in place of the arc-shaped lid 13. Further, the lid body 19 is not attached to the bucket body 12 via a hinge, but is simply placed on the bucket body 12. As described above, the lid 19 may be detachably attached to the upper portion of the bucket body 12.

排出コンベア８の下流側には、図３Ａに示すローラ１５が配置される。排出コンベア８にて圧力容器１の中から取り出されたバケット６は、排出コンベア８で運ばれて図３Ａに示すように左右一対のローラ１５の上に載置される（図３Ａに示す状態）。この状態でバケット６は、機械的に（動力を使って）または人力でその軸心まわりに１８０°回転させられる。すると、図３Ａ中の右に示したように、蓋体１３は自重でヒンジ１４まわりに回転して開く。ローラ１５は、圧力容器１の中から取り出したバケット６を回転させるための回転装置の一例である。   A roller 15 shown in FIG. 3A is disposed on the downstream side of the discharge conveyor 8. The bucket 6 taken out from the pressure vessel 1 by the discharge conveyor 8 is carried by the discharge conveyor 8 and placed on the pair of left and right rollers 15 as shown in FIG. 3A (state shown in FIG. 3A). . In this state, the bucket 6 is rotated 180 ° around its axis mechanically (using power) or manually. Then, as shown on the right side in FIG. 3A, the lid 13 rotates around the hinge 14 by its own weight and opens. The roller 15 is an example of a rotating device for rotating the bucket 6 taken out from the pressure vessel 1.

バケット６を回転させるための上記以外の方法（装置）を図３Ｂ、図３Ｃに示している。図３Ｂに示す回転装置１６は、バケット６の蓋体１３の寸法分、上部が開口した、バケット本体１２よりも径が一回り大きい円筒形状のバケット保持体１６ａと、バケット保持体１６ａの外面に固定された回転支点部材１６ｂとで構成される。なお、回転支点部材１６ｂは、動かない静止物に固定される。前記したローラ１５と同様、回転装置１６は、排出コンベア８の下流側に配置される（図３Ｃに示す回転装置１７についても同様）。   A method (apparatus) other than the above for rotating the bucket 6 is shown in FIGS. 3B and 3C. The rotating device 16 shown in FIG. 3B has a cylindrical bucket holding body 16a whose upper portion is opened by an amount corresponding to the size of the lid body 13 of the bucket 6 and a diameter larger than the bucket body 12, and an outer surface of the bucket holding body 16a. The rotation fulcrum member 16b is fixed. The rotation fulcrum member 16b is fixed to a stationary object that does not move. Similar to the roller 15 described above, the rotating device 16 is disposed on the downstream side of the discharge conveyor 8 (the same applies to the rotating device 17 shown in FIG. 3C).

排出コンベア８にて圧力容器１の中から取り出されたバケット６は、バケット保持体１６ａの中に入れられる（図３Ｂ中の左の状態）。この状態でバケット保持体１６ａは、機械的に（動力を使って）または人力で回転支点部材１６ｂまわりに１８０°回転させられる（ひっくり返される）。すると、蓋体１３は自重でヒンジ１４まわりに回転して開く（図３Ｂ中の右の状態）。バケット本体１２とバケット保持体１６ａとは、その接触摩擦力により、大きく相対移動することはない。なお、バケット保持体１６ａに対してバケット本体１２が動かないように、バケット本体１２とバケット保持体１６ａとは、一時的に相互に連結されてもよい。   The bucket 6 taken out from the pressure vessel 1 by the discharge conveyor 8 is put into the bucket holder 16a (the state on the left in FIG. 3B). In this state, the bucket holder 16a is rotated 180 degrees around the rotation fulcrum member 16b mechanically (using power) or manually. Then, the lid body 13 rotates and opens around the hinge 14 under its own weight (right state in FIG. 3B). The bucket main body 12 and the bucket holder 16a do not move relatively greatly due to the contact friction force. The bucket body 12 and the bucket holder 16a may be temporarily connected to each other so that the bucket body 12 does not move with respect to the bucket holder 16a.

次に、図３Ｃに示す回転装置１７は、バケット本体１２よりも径が一回り大きい断面円弧形状の一対のバケット保持体１７ａと、バケット保持体１７ａとバケット本体１２との間に配設される複数のローラ１７ｂとで構成される。なお、一対のバケット保持体１７ａは、動かない静止物に固定される。   Next, the rotating device 17 illustrated in FIG. 3C is disposed between a pair of bucket holders 17a having a circular arc shape whose diameter is slightly larger than that of the bucket body 12, and between the bucket holder 17a and the bucket body 12. It comprises a plurality of rollers 17b. The pair of bucket holders 17a are fixed to a stationary object that does not move.

排出コンベア８にて圧力容器１の中から取り出されたバケット６は、回転装置１７の中に入れられる（図３Ｃ中の左の状態）。この状態でバケット６は、機械的に（動力を使って）または人力でその軸心まわりに１８０°回転させられる。すると、図３Ｃ中の右に示したように、蓋体１３は自重でヒンジ１４まわりに回転して開く。   The bucket 6 taken out from the pressure vessel 1 by the discharge conveyor 8 is put into the rotating device 17 (left state in FIG. 3C). In this state, the bucket 6 is rotated 180 ° around its axis mechanically (using power) or manually. Then, as shown on the right side in FIG. 3C, the lid 13 rotates around the hinge 14 by its own weight and opens.

（等方圧加圧装置を用いた牡蠣の加圧処理方法）
図１、図４Ａ、図４Ｂ等を参照しつつ、等方圧加圧装置１００を用いた牡蠣Ｏの加圧処理方法について説明する。 (Pressure treatment method for oysters using an isotropic pressure device)
With reference to FIG. 1, FIG. 4A, FIG. 4B, etc., the pressurization processing method of the oyster O using the isotropic pressure pressurization apparatus 100 is demonstrated.

バケット６の蓋体１３を開いて、牡蠣Ｏとともに第２圧力媒体としての塩水（塩水は、真水よりも比重が大きい）をバケット本体１２の中に入れる。このとき、牡蠣Ｏが塩水の中に完全に水没するよう、十分な量の塩水をバケット本体１２の中に入れる（被処理物収容工程）。塩水として、例えば海水を用いるが、海水に限られることはない。   The lid 13 of the bucket 6 is opened and salt water (salt water has a higher specific gravity than fresh water) as the second pressure medium is put into the bucket body 12 together with the oyster O. At this time, a sufficient amount of salt water is put into the bucket body 12 so that the oyster O is completely submerged in the salt water (processed object accommodation step). As salt water, for example, seawater is used, but it is not limited to seawater.

牡蠣Ｏおよび塩水が入れられたバケット６を、圧力容器１の開口部１ａから圧力容器１の中に入れる（バケット格納工程）。そして、プレスフレーム２の方向へ圧力容器１をスライド移動させ、油圧シリンダ（不図示）などで第１蓋１０および第２蓋１１を動かして、圧力容器１の開口部１ａ、１ｂを第１蓋１０および第２蓋１１でそれぞれ閉止する。   The bucket 6 containing the oyster O and salt water is put into the pressure vessel 1 from the opening 1a of the pressure vessel 1 (bucket storing step). Then, the pressure vessel 1 is slid in the direction of the press frame 2 and the first lid 10 and the second lid 11 are moved by a hydraulic cylinder (not shown) or the like so that the openings 1a and 1b of the pressure vessel 1 are moved to the first lid. 10 and the second lid 11 are closed.

次いで、給排水ユニット３を動作させ、圧力容器１の中に真水５１を注入する。圧力容器１の中に真水５１が注入された状態を図４Ａに示している。塩水５２は、真水よりも比重が大きいためバケット６の中に収容された状態を保つので、牡蠣Ｏはバケット６内で塩水５２に浸った状態を保つ。そして、高圧ポンプユニット４を動作させ、圧力容器１の中に真水５１を押し込んで、牡蠣Ｏを等方圧にて所定の時間、加圧する（加圧処理工程）。この状態を図４Ｂに示している。バケット６の内外は、孔１３ａで連通しているので圧力は確実に牡蠣Ｏに作用する。   Next, the water supply / drainage unit 3 is operated, and fresh water 51 is injected into the pressure vessel 1. FIG. 4A shows a state in which fresh water 51 is injected into the pressure vessel 1. Since the salt water 52 has a specific gravity greater than that of fresh water, the salt water 52 is kept in the bucket 6. Therefore, the oyster O is kept immersed in the salt water 52 in the bucket 6. Then, the high-pressure pump unit 4 is operated to push the fresh water 51 into the pressure vessel 1 and pressurize the oyster O with isotropic pressure for a predetermined time (pressurizing process step). This state is shown in FIG. 4B. Since the inside and outside of the bucket 6 communicate with each other through the hole 13a, the pressure acts on the oyster O reliably.

加圧処理が完了すると、第１蓋１０および第２蓋１１を圧力容器１に対して後退させることで蓋１０、１１を外し、圧力容器１をコンベア側へスライド移動させる。そして、加圧処理された牡蠣Ｏが入れられたバケット６を圧力容器１の中から取り出す（バケット取出し工程）。   When the pressurizing process is completed, the lids 10 and 11 are removed by retracting the first lid 10 and the second lid 11 with respect to the pressure vessel 1, and the pressure vessel 1 is slid to the conveyor side. And the bucket 6 in which the pressurized oyster O was put out is taken out from the pressure vessel 1 (bucket taking-out process).

排出コンベア８にて左右一対のローラ１５（図３Ａ参照）の上にバケット６を載置する。そして、機械的に（動力を使って）または人力でバケット６をその軸心まわりに１８０°回転させることでバケット６を裏返す。すると、図３Ａ中の右に示したように、蓋体１３は自重でヒンジ１４まわりに回転して開く。これにより、加圧処理された牡蠣Ｏは、塩水５２とともにバケット本体１２の中から落下して取り出される（被処理物取出し工程）。   The bucket 6 is placed on the pair of left and right rollers 15 (see FIG. 3A) by the discharge conveyor 8. Then, the bucket 6 is turned over by rotating the bucket 6 around its axis 180 degrees mechanically (using power) or manually. Then, as shown on the right side in FIG. 3A, the lid 13 rotates around the hinge 14 by its own weight and opens. As a result, the oyster O that has been subjected to the pressure treatment is dropped and taken out from the bucket body 12 together with the salt water 52 (processing object removal step).

上記した加圧処理により牡蠣Ｏは病原菌の滅菌やウイルスの不活性化がなされ、且つ殻が剥がれやすくなる。また、第２圧力媒体としての塩水５２は、バケット６の中に収容された状態を保つので、圧力容器１の内面、高圧ポンプユニット４を構成するポンプなどの機器に、塩水５２が接触することはほとんどないので、塩水５２に含まれる塩分でこれらの機器が腐食することを防止できる。また、バケット６の中に牡蠣Ｏが収容された状態を保つので剥がれた殻もバケット６の中に収容された状態を保つ。そのため、牡蠣Ｏの殻が圧力容器に直接触れたり、高圧ポンプユニット４を構成するポンプなどの機器に混入したりすることを防止できる。   Oyster O is sterilized with pathogenic bacteria and inactivated by oyster O by the pressure treatment described above, and the shell is easily peeled off. Moreover, since the salt water 52 as a 2nd pressure medium maintains the state accommodated in the bucket 6, the salt water 52 should contact the inner surface of the pressure vessel 1, the apparatus which comprises the high pressure pump unit 4, etc. Therefore, it is possible to prevent these devices from being corroded by the salt contained in the salt water 52. Further, since the oyster O is kept in the bucket 6, the peeled shell is kept in the bucket 6. Therefore, it is possible to prevent the shell of the oyster O from directly touching the pressure vessel or being mixed into equipment such as a pump constituting the high-pressure pump unit 4.

（変形例）
上記した実施形態では、第１圧力媒体として真水を用い、第２圧力媒体として真水よりも比重が大きい塩水を用いる例、すなわち、第２圧力媒体として第１圧力媒体の比重よりも大きい比重の圧力媒体を用いる例を示したが、第２圧力媒体の比重は、第１圧力媒体の比重と同じであってもよい。図４Ａを参照しつつ説明するに、第２圧力媒体の比重が第１圧力媒体の比重よりも小さい場合には、バケット６の孔１３ａからバケット６外へ第２圧力媒体が出てしまうことが考えられるが、第１圧力媒体の比重と第２圧力媒体の比重とが同じであれば、バケット６内に入れられた第２圧力媒体は、第１圧力媒体による加圧処理の過程で、バケット６の外へは容易に出ないからである。バケット６の外へ第２圧力媒体が容易に出ないということは、被処理物からの異物もバケット６の外へ出にくいということである。 (Modification)
In the above-described embodiment, an example in which fresh water is used as the first pressure medium and salt water having a specific gravity greater than that of fresh water is used as the second pressure medium, that is, a pressure having a specific gravity greater than the specific gravity of the first pressure medium as the second pressure medium. Although an example using a medium has been shown, the specific gravity of the second pressure medium may be the same as the specific gravity of the first pressure medium. As will be described with reference to FIG. 4A, when the specific gravity of the second pressure medium is smaller than the specific gravity of the first pressure medium, the second pressure medium may come out of the bucket 6 from the hole 13 a of the bucket 6. If the specific gravity of the first pressure medium and the specific gravity of the second pressure medium are the same, the second pressure medium placed in the bucket 6 can be used in the process of pressurizing with the first pressure medium. It is because it does not go out of 6 easily. The fact that the second pressure medium does not easily come out of the bucket 6 means that foreign matter from the object to be processed is also difficult to go out of the bucket 6.

また上記した実施形態では、第２圧力媒体として塩水（塩分を含む水）を用いているが、真水の比重以上の比重の浸透液を用いてもよい。また、牡蠣Ｏの塩分調整を行いたい場合には、塩分を調整した塩水を用いてもよい、さらには、牡蠣Ｏへの香り付けを行いたい場合は、真水の比重以上の比重の香料を添加した水（香料を含む水）を用いてもよい。また、第１圧力媒体としては安価な真水が適しているが、単なる真水に代えて、オゾン殺菌された水などを用いてもよい。   In the embodiment described above, salt water (water containing salt) is used as the second pressure medium, but an osmotic solution having a specific gravity equal to or higher than that of fresh water may be used. If you want to adjust the salt content of oyster O, you can use salt water with adjusted salt content. If you want to add fragrance to oyster O, add fragrance with a specific gravity higher than the specific gravity of fresh water. Water (water containing fragrance) may be used. In addition, inexpensive fresh water is suitable as the first pressure medium, but ozone sterilized water or the like may be used instead of simple fresh water.

バケット６の中へ塩水を入れるのは、人力で行う（人が行う）ことを基本とするが、人力に代えて自動でバケット６の中へ塩水を入れるようにしてもよい。この場合、前記した制御盤５により、バケット６の中への塩水の注入をコントロールすることになる。すなわち、制御盤５に、バケット６への塩水の注入タイミング、その注入量を制御する機能を持たせてもよい。   Basically, salt water is put into the bucket 6 by human power (performed by humans), but salt water may be automatically put into the bucket 6 instead of human power. In this case, injection of salt water into the bucket 6 is controlled by the control panel 5 described above. That is, the control panel 5 may be provided with a function of controlling the injection timing of salt water into the bucket 6 and the injection amount thereof.

（作用・効果）
本発明に係る等方圧加圧装置およびそれを用いた加圧処理方法によれば、圧力媒体として１種の液体のみを用いるのではなく、被処理物の比重よりも小さい比重の第１圧力媒体、および当該第１圧力媒体の比重以上の比重の液体である第２圧力媒体というように２種の圧力媒体を用い、この第１圧力媒体を圧力容器の中に入れ、且つ、上部に孔を有するバケット内に被処理物とともに第２圧力媒体を収容してこのバケットを圧力容器内部に設置している。第１圧力媒体の比重が被処理物の比重よりも小さいことで、被処理物およびそれから生じる異物はバケットの外へ出にくい。また、第２圧力媒体の比重を第１圧力媒体の比重以上とすることによっても、被処理物およびそれから生じる異物はバケットの外へ出にくい。そのため、被処理物から生じる異物をバケット内に閉じ込めることができ、圧力容器などの装置を構成する機器に異物を直接触れにくくすることができる。これにより、圧力容器などの機器が被処理物から生じる異物で損傷することを防止することができる。 (Action / Effect)
According to the isotropic pressure pressurizing apparatus and the pressurizing method using the same according to the present invention, the first pressure having a specific gravity smaller than the specific gravity of the object to be processed is used instead of using only one liquid as the pressure medium. Two kinds of pressure media are used, such as a medium and a second pressure medium that is a liquid having a specific gravity greater than or equal to the specific gravity of the first pressure medium. The first pressure medium is placed in a pressure vessel, and a hole is formed at the top. A second pressure medium is accommodated together with the object to be processed in a bucket having a pressure, and this bucket is installed inside the pressure vessel. Since the specific gravity of the first pressure medium is smaller than the specific gravity of the object to be processed, the object to be processed and the foreign matter generated therefrom are unlikely to go out of the bucket. Moreover, even if the specific gravity of the second pressure medium is set to be equal to or higher than the specific gravity of the first pressure medium, the object to be processed and the foreign matter generated therefrom are unlikely to go out of the bucket. For this reason, foreign matter generated from the object to be processed can be confined in the bucket, and it is possible to make it difficult for the foreign matter to directly touch a device such as a pressure vessel. Thereby, it can prevent that apparatuses, such as a pressure vessel, are damaged with the foreign material which arises from a to-be-processed object.

また、圧力容器の中に直接被処理物を入れるのではなく、バケットに入れた状態で圧力容器の中に被処理物を入れるので、被処理物のハンドリング性に優れる。また、被処理物が食品である場合には、バケット内の圧力媒体（第２圧力媒体）を食品加圧処理毎に毎回容易に排出することができるので衛生面でも優れる。   In addition, since the object to be processed is put in the pressure vessel in a state where the object to be processed is not put directly into the pressure vessel but in a bucket, the handling property of the object to be processed is excellent. Moreover, since the to-be-processed object is a foodstuff, since the pressure medium (2nd pressure medium) in a bucket can be easily discharged | emitted every food pressurization process, it is excellent also in terms of hygiene.

ここで、バケットに関しては、被処理物および第２圧力媒体が入れられるバケット本体と、ヒンジを介してまたは着脱自在にバケット本体の上部に取り付けられる孔を有する蓋体とで構成されるバケットとし、且つ、圧力容器の中から取り出したバケットを軸回転させるための回転装置を等方圧加圧装置が備えることが好ましい。これによると、加圧処理された被処理物を圧力容器の中から容易に取り出すことができる。   Here, regarding the bucket, it is a bucket composed of a bucket body in which the object to be processed and the second pressure medium are put, and a lid body having a hole attached to the upper part of the bucket body via a hinge or detachably, And it is preferable that an isotropic pressure pressurization apparatus is equipped with the rotation apparatus for axially rotating the bucket taken out from the pressure vessel. According to this, the to-be-processed object processed easily can be taken out from a pressure vessel easily.

被処理物が食品である場合には、塩分または香料を含む水を第２圧力媒体として用いることが好ましい。第２圧力媒体として塩分を含む水や香りを付けた水を用いると、塩分の効いた風味や香りを食品に付けることができ、食品の商品価値を向上させることができる。また、この場合、圧力媒体に塩分等が含まれれば圧力容器、高圧ポンプ、減圧弁などの等方圧加圧装置を構成する機器の耐久性が低下するという不具合が考えられるが、本発明によれば第２圧力媒体はバケットの外へ出にくいので、このような不具合は生じにくい。   When the object to be treated is food, it is preferable to use water containing salt or a fragrance as the second pressure medium. When salt-containing water or scented water is used as the second pressure medium, a salty flavor or scent can be added to the food, and the commercial value of the food can be improved. Further, in this case, if the pressure medium contains salt or the like, there may be a problem that the durability of the equipment constituting the isotropic pressure pressurization device such as the pressure vessel, the high pressure pump, the pressure reducing valve is lowered. According to this, since the second pressure medium is difficult to go out of the bucket, such a problem is unlikely to occur.

以上、本発明の実施形態およびその変形について説明したが、その他に、当業者が想定できる範囲で種々の変更を行えることは勿論である。   The embodiment of the present invention and its modifications have been described above, but it goes without saying that various modifications can be made within the scope that can be assumed by those skilled in the art.

１：圧力容器
１ａ、１ｂ：開口部
２：プレスフレーム
３：給排水ユニット
４：高圧ポンプユニット
５：制御盤
６：バケット
１０：第１蓋
１１：第２蓋
１２：バケット本体
１３：蓋体
１３ａ：孔
１４：ヒンジ
１５：ローラ（回転装置）
５１：真水（圧力媒体）
５２：塩水（第２圧力媒体）
１００：等方圧加圧装置
Ｏ：牡蠣（食品） 1: Pressure vessel 1a, 1b: Opening portion 2: Press frame 3: Water supply / drainage unit 4: High pressure pump unit 5: Control panel 6: Bucket 10: First lid 11: Second lid 12: Bucket body 13: Lid 13a: Hole 14: Hinge 15: Roller (rotating device)
51: Fresh water (pressure medium)
52: Salt water (second pressure medium)
100: Isostatic pressure press O: Oyster (food)

Claims (6)

開口部が軸方向両端に設けられた横置き配置される筒状の圧力容器を備え、当該開口部が閉止された前記圧力容器の中に外部から液体の第１圧力媒体を押し込んで、または、前記圧力容器の中に入れられた液体の第１圧力媒体を前記開口部に挿入したピストンで押圧して、前記圧力容器の中に入れられた被処理物を加圧処理する等方圧加圧装置であって、
上部に孔を有し、前記被処理物を収容して前記圧力容器内部に設置されるバケットを備え、
前記バケット内には少なくとも第２圧力媒体が入れられ、
前記第１圧力媒体の比重は前記被処理物の比重よりも小さく、
前記第２圧力媒体の比重は前記第１圧力媒体の比重以上であることを特徴とする、等方圧加圧装置。 A cylindrical pressure vessel having an opening provided at both ends in the axial direction is provided, and a liquid first pressure medium is pushed from the outside into the pressure vessel with the opening closed, or An isotropic pressure pressurizing process is performed on a workpiece placed in the pressure vessel by pressing a liquid first pressure medium placed in the pressure vessel with a piston inserted in the opening. A device,
It has a hole at the top, and includes a bucket that accommodates the object to be processed and is installed inside the pressure vessel,
At least a second pressure medium is placed in the bucket;
The specific gravity of the first pressure medium is smaller than the specific gravity of the workpiece,
The isotropic pressure pressurizing apparatus, wherein the specific gravity of the second pressure medium is equal to or greater than the specific gravity of the first pressure medium. 請求項１に記載の等方圧加圧装置において、
前記バケットは、
前記被処理物および前記第２圧力媒体が入れられるバケット本体と、
ヒンジを介してまたは着脱自在に前記バケット本体の上部に取り付けられる前記孔を有する蓋体と、
を備え、
前記圧力容器の中から取り出した前記バケットを軸回転させるための回転装置をさらに備えることを特徴とする、等方圧加圧装置。 In the isotropic pressure applying apparatus according to claim 1,
The bucket is
A bucket body into which the workpiece and the second pressure medium are placed;
A lid having the hole attached to the upper part of the bucket body via a hinge or detachably;
With
An isotropic pressure pressurizing device, further comprising a rotating device for rotating the bucket taken out from the pressure vessel. 請求項１または２に記載の等方圧加圧装置において、
前記第２圧力媒体が塩分または香料を含む水であるとともに、前記被処理物が食品であることを特徴とする、等方圧加圧装置。 In the isotropic pressure applying apparatus according to claim 1 or 2,
An isotropic pressure pressurizing apparatus, wherein the second pressure medium is water containing salt or a fragrance, and the object to be treated is food. 請求項３に記載の等方圧加圧装置において、
前記被処理物が殻つきの食品であることを特徴とする、等方圧加圧装置。 In the isotropic pressure applying apparatus according to claim 3,
An isotropic pressure applying apparatus, wherein the object to be processed is a food with a shell. 請求項１に記載の等方圧加圧装置を用いた加圧処理方法であって、
前記被処理物および前記第２圧力媒体を前記バケットの中に入れる被処理物収容工程と、
前記被処理物および前記第２圧力媒体が入れられた前記バケットを前記開口部から前記圧力容器の中に入れるバケット格納工程と、
前記開口部が閉止された前記圧力容器の中に外部から前記第１圧力媒体を押し込んで、または、前記圧力容器の中に入れられた前記第１圧力媒体を前記開口部に挿入したピストンで押圧して、前記バケットとともに前記圧力容器の中に入れられた前記被処理物を加圧処理する加圧処理工程と、
加圧処理された前記被処理物が入れられた前記バケットを前記圧力容器の中から取り出すバケット取出し工程と、
加圧処理された前記被処理物を前記バケットの中から取り出す被処理物取出し工程と、
を備えることを特徴とする、等方圧加圧装置を用いた加圧処理方法。 A pressure treatment method using the isotropic pressure device according to claim 1,
A workpiece storage step of placing the workpiece and the second pressure medium into the bucket;
A bucket storing step of putting the bucket containing the workpiece and the second pressure medium into the pressure vessel from the opening;
The first pressure medium is pushed from the outside into the pressure vessel in which the opening is closed, or the first pressure medium put in the pressure vessel is pushed by a piston inserted in the opening. And a pressurizing process step of pressurizing the object to be processed put in the pressure vessel together with the bucket,
A bucket unloading step of taking out the bucket in which the object to be treated that has been subjected to the pressure treatment is put out from the pressure vessel;
A processing object take-out step of taking out the processing object subjected to the pressure treatment from the bucket;
The pressurization processing method using an isotropic pressure pressurization device characterized by including these. 請求項５に記載の等方圧加圧装置を用いた加圧処理方法であって、
前記被処理物取出し工程において、前記バケットを軸回転させることで前記バケットを裏返し、前記バケットのバケット本体の上部にヒンジを介して取り付けられた前記孔を有する蓋体を自重でヒンジ回りに回転させることで、加圧処理された前記被処理物を前記バケットの中から落下させて取り出すことを特徴とする、等方圧加圧装置を用いた加圧処理方法。 A pressure treatment method using the isotropic pressure device according to claim 5,
In the processing object take-out step, the bucket is turned upside down by rotating the bucket axially, and the lid having the hole attached to the upper part of the bucket body of the bucket via a hinge is rotated around the hinge by its own weight. Thus, the pressurization processing method using an isotropic pressure pressurizing apparatus, wherein the processing target that has been pressurized is dropped and taken out from the bucket.
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