JP2007301508A - Atomizing device - Google Patents

Atomizing device Download PDF

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JP2007301508A
JP2007301508A JP2006134377A JP2006134377A JP2007301508A JP 2007301508 A JP2007301508 A JP 2007301508A JP 2006134377 A JP2006134377 A JP 2006134377A JP 2006134377 A JP2006134377 A JP 2006134377A JP 2007301508 A JP2007301508 A JP 2007301508A
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plate
flow path
nozzle means
pressure fluid
pressure
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JP5021234B2 (en
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Masao Nakatani
正雄 中谷
Atsushi Takagi
淳 高木
Hidetaka Iwai
秀隆 岩井
Yasumasa Matsumoto
泰正 松本
Sumie Tarumoto
純枝 樽本
Atsushi Nakajima
淳 中島
Tomohiko Sano
友彦 佐野
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Kao Corp
Sugino Machine Ltd
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Sugino Machine Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an atomizing device, equipped with a nozzle means, which can inhibit a pressure loss and a velocity loss in introducing a raw material fluid to a greater extent than conventionally and is free from the generation of cracks inside a member due to tensile stress. <P>SOLUTION: In this atomizing device, the nozzle means for causing high-pressure fluids to collide with each other, has a first plate and a second plate, of a disc shape which are concentrically superposed over each other, in a mutually opposed state. The second plate has a through hole formed along the central axis, and also, either of the first plate or the second plate has a plurality of groove parts formed radially on the contact area of both plates so as to allow the plates to communicate with the through hole, in a state that the plates are in contact with each other. Further, the high-pressure fluid is introduced into the groove parts which are each opened at two spots in a diametral stretch from the plate outer periphery. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、処理対象の原料液の高圧流体同士を衝突させる微粒化装置に関し、詳しくは、衝突部を構成するノズル手段に関するものである。   The present invention relates to a pulverizing apparatus that collides high-pressure fluids of raw material liquids to be processed, and particularly relates to nozzle means that constitute a collision part.

従来から、様々な分野の製品製造において、原料液の分散、乳化等を含む微粒化処理には、処理対象である原料液を高圧で噴射させ、その噴流同士をノズル手段を介して衝突させることによる衝撃を利用した微粒化装置が用いられている。   Conventionally, in the manufacture of products in various fields, in the atomization process including dispersion and emulsification of raw material liquid, the raw material liquid to be processed is jetted at a high pressure, and the jets collide with each other through nozzle means. A pulverization apparatus using an impact caused by the above is used.

このような微粒化装置のなかでも、微粒化に効果的な剪断力を得るために、ノズル手段として狭くて長い流路を備えたものを用い、高圧原料液をその狭くて長い流路内を通過させて衝突させる方式のものがある。この方式では、例えば図２に示すように、軸方向に二つ設けられた貫通孔からなる原料液導入流路２１と両導入流路２１同士を軸方向と直交する方向で連通する溝２２とが設けられた焼結ダイヤ製のディスクプレート２０に、溝なしディスクプレート２３を前記溝２２を塞いで加速流路２２Ｘを形成するように当接させ、加速流路２２Ｘを経て衝突した衝突後原料液をその衝突部２２Ｙから溝なしディスクプレート２３の中心軸に沿って形成された貫通孔（導出流路２４）を通じて導出するノズル構成を備えたものがあった（例えば、特許文献１、特許文献２参照。）。   Among such atomization apparatuses, in order to obtain an effective shear force for atomization, a nozzle means having a narrow and long flow path is used, and the high-pressure raw material liquid is passed through the narrow and long flow path. There is a method of making it pass and collide. In this method, for example, as shown in FIG. 2, a raw material liquid introduction channel 21 composed of two through holes provided in the axial direction, and a groove 22 communicating the two introduction channels 21 with each other in a direction perpendicular to the axial direction, The non-grooved disk plate 23 is brought into contact with the disk plate 20 made of sintered diamond provided with a groove 22 so as to close the groove 22 to form the acceleration flow path 22X, and the post-impact raw material collided via the acceleration flow path 22X. Some have a nozzle configuration that guides the liquid from the collision portion 22Y through a through hole (leading flow path 24) formed along the central axis of the grooveless disk plate 23 (for example, Patent Document 1, Patent Document). 2).

また、対面配置された溝のないプレート間の間隙を導入流路として外周方向から中心部で衝突させ、一方のプレートの中心軸に沿って形成された導出流路から衝突後原料液を導出するノズル構成を備えたものもある（例えば、特許文献３。）。   Further, the gap between the plates without grooves arranged facing each other is caused to collide with the central portion from the outer peripheral direction as an introduction flow path, and the post-collision raw material liquid is derived from the discharge flow path formed along the central axis of one plate. Some have a nozzle configuration (for example, Patent Document 3).

特開平９−２０１５２２号公報JP-A-9-201522 特許第２７８８０１０号公報Japanese Patent No. 2788010 特開２００５−１４４３２９公報JP 2005-144329 A

しかしながら、上記のようなディスクプレート（２０，２３）に形成された貫通孔や溝によって原料液の導入流路や加速流路、衝突部が構成される場合、ディスクプレート２０に貫通孔を形成するために、プレートとして比較的大きな外形のものが必要となるが、焼結ダイヤを用いても、圧縮応力に対しては強いものの引張り応力には弱い性質がある。   However, when the raw material liquid introduction flow path, the acceleration flow path, and the collision portion are configured by the through holes and grooves formed in the disk plates (20, 23) as described above, the through holes are formed in the disk plate 20. Therefore, a plate having a relatively large outer shape is required. However, even if a sintered diamond is used, it has a property that it is strong against compressive stress but weak against tensile stress.

一方、上記のような導入流路２１及び屈曲部では、原料液は直交方向に曲げられてから圧力を流速に変えるために微小断面積の溝２２からなる加速流路内を進んでから衝突する構成となっているため、圧力損失が生じてしまっている。そこで導入流路２１の口径Ｄ４を大きくして圧力損失を無くすことが考えられるが、この場合、導入流路２１内に係る圧力はディスクプレート２０に引張り応力を与えるため、口径Ｄ４を大きくするとこの引張り応力も大きくなって破断が生じる危険があり、むやみに口径Ｄ４を大きくすることはできなかった。   On the other hand, in the introduction flow path 21 and the bent portion as described above, the raw material liquid is bent in the orthogonal direction and then collides after traveling through the acceleration flow path formed by the groove 22 having a small cross-sectional area in order to change the pressure to the flow velocity. Due to the configuration, pressure loss has occurred. Therefore, it is conceivable to increase the diameter D4 of the introduction flow path 21 to eliminate the pressure loss. In this case, since the pressure in the introduction flow path 21 gives tensile stress to the disk plate 20, this is increased when the diameter D4 is increased. There is a danger that the tensile stress increases and breakage occurs, and the diameter D4 cannot be increased unnecessarily.

また、溝２２からなる加速流路２２Ｘの長さを小さくすることで抵抗を減少させ、圧力損失を小さくしようとする場合には、導入流路２１の口径Ｄ４を大きくすることで加速流路２２Ｘは短くなるが前述のとおり導入流路２１が内圧で割れる危険がある。そこで溝なしディスクプレート２３の導出流路２４の口径Ｄ５を大きくすることで加速流路２２Ｘを短くすることが考えられるが、この場合、加速流路２２Ｘを出てから衝突位置２２Ｙまで、即ち導出流路２４の口径の半径である衝突距離２２Ｌが長くなって衝突までに高圧の原料液が減速し、十分な衝突力が得られなくなってしまう。また、加速流路２２Ｘを途中まで拡げても、その拡げた通路に引張り応力が発生し、やはり破断しやすくなってしまう。   Further, when reducing the resistance by reducing the length of the acceleration channel 22X formed of the groove 22 and reducing the pressure loss, the acceleration channel 22X is increased by increasing the diameter D4 of the introduction channel 21. However, as described above, there is a risk that the introduction flow path 21 is broken by the internal pressure. Therefore, it is conceivable to shorten the acceleration flow path 22X by increasing the diameter D5 of the discharge flow path 24 of the grooveless disk plate 23. In this case, however, the acceleration flow 22X exits to the collision position 22Y, that is, the derivation. The collision distance 22L, which is the radius of the diameter of the flow path 24, is increased, and the high-pressure raw material liquid is decelerated until the collision, so that a sufficient collision force cannot be obtained. Moreover, even if the acceleration flow path 22X is expanded halfway, tensile stress is generated in the expanded passage, and it is easy to break.

さらに、ディスクプレート（２０，２３）同士の当接は、溝２２から原料液が外部に漏れないように接触面同士を強く押し付けてシールする必要があるが、押し付け力は通常ネジの締め付けによって行われているため、確実なシール力を得るために強く締め付けるとプレートは割れ、これを避けるために締め付け力が不充分となると導入流路２１に発生する圧力よりプレート接触面の面圧が低くなるため原料液が漏れてしまうことになる。このように、ネジ締め付けの加減は難しく、熟練を要するものであった。   Further, the contact between the disk plates (20, 23) needs to be tightly pressed and sealed against each other so that the raw material liquid does not leak outside from the groove 22, but the pressing force is usually performed by tightening screws. Therefore, if the plate is strongly tightened to obtain a reliable sealing force, the plate is cracked. If the tightening force is insufficient to avoid this, the surface pressure of the plate contact surface becomes lower than the pressure generated in the introduction flow path 21. Therefore, the raw material liquid will leak. Thus, it is difficult to adjust the screw tightening, and skill is required.

また、互いに対面配置された溝なしプレート同士間の間隙を導入流路とする構成のものでは、原料液の導入までの圧力損失はなく外周全体に圧がかかるのでプレートには引張り応力がかからないが、高圧液は狭い隙間面を通るため、その壁面での速度損失が大きいという問題がある。   In addition, in the configuration in which the gap between the grooveless plates arranged facing each other is used as the introduction flow path, there is no pressure loss until the introduction of the raw material liquid, and pressure is applied to the entire outer periphery, so the plate is not subjected to tensile stress. Since the high-pressure liquid passes through a narrow gap surface, there is a problem that the speed loss on the wall surface is large.

本発明の目的は、上記問題点に鑑み、簡便な構成でありながら、従来よりも原料液の導入における圧力損失および速度損失を抑えつつ十分な衝突力が確保できると共に部材内部に引張り応力による割れが生じることのないノズル手段を備えた微粒化装置を提供することにある。また本発明は、さらにノズル手段内で発生する背圧に起因する原料液の漏れが良好に防止できる微粒化装置の提供を目的とする。   In view of the above problems, the object of the present invention is to ensure a sufficient collision force while suppressing pressure loss and speed loss in the introduction of the raw material liquid as compared with the conventional one, and to crack inside the member due to tensile stress. An object of the present invention is to provide an atomizing apparatus provided with a nozzle means that does not cause the occurrence of the problem. Another object of the present invention is to provide an atomizer capable of satisfactorily preventing the leakage of the raw material liquid due to the back pressure generated in the nozzle means.

上記目的を達成するため、請求項１に記載の発明に係る微粒化装置では、固体粒子を含む高圧流体同士を衝突させるためのノズル手段と、該ノズル手段へ前記高圧流体を導入するための導入流路とを備えた微粒化装置において、前記ノズル手段は、互いに対面状態で同軸に重ね合わされた円盤状の第１プレートと第２プレートとを備え、第２プレートは、中心軸に沿って形成された貫通孔を有し、第１プレートと第２プレートのいずれかに、これら両プレート同士の当接状態で前記貫通孔と連通するように当接面上の半径方向に沿って形成された複数の溝部を有し、前記導入流路に導かれた高圧流体を、プレート外周からそれぞれ半径上で開口する各溝部へ導入するようにしたものである。   In order to achieve the above object, in the atomization apparatus according to the first aspect of the present invention, nozzle means for causing high-pressure fluid containing solid particles to collide with each other, and introduction for introducing the high-pressure fluid into the nozzle means In the atomization apparatus including the flow path, the nozzle means includes a disk-shaped first plate and a second plate that are coaxially overlapped with each other in a face-to-face state, and the second plate is formed along the central axis. And formed in either the first plate or the second plate along the radial direction on the contact surface so as to communicate with the through hole in a contact state between the two plates. The high-pressure fluid led to the introduction flow path is introduced into each groove that opens on the radius from the outer periphery of the plate.

また、請求項２に記載の発明に係る微粒化装置では、請求項１に記載の微粒化装置において、前記第１プレートは、前記第２プレートより小さい外径を有し、第２プレートの第１プレート当接面外周面領域を露呈させるものであり、バネによる付勢力と、高圧流体が前記導入流路へ導入される際の発生圧とによって第１プレートを第２プレートに対して押圧するシール手段を備えているものである。   Further, in the atomization apparatus according to the invention described in claim 2, in the atomization apparatus according to claim 1, the first plate has an outer diameter smaller than the second plate, and the second plate has a second outer diameter. 1 plate contact surface outer peripheral surface area is exposed, and the first plate is pressed against the second plate by the biasing force of the spring and the generated pressure when the high-pressure fluid is introduced into the introduction flow path. A sealing means is provided.

本発明の微粒化装置においては、中心軸に沿って貫通孔が形成された円盤状の第２プレートとこれに当接する円盤状の第１プレートとが互いに対面状態で同軸上に重ね合わされてなる高圧流体衝突用ノズル手段を備えており、第１プレートと第２プレートとのいずれれかの当接端面上の半径方向に沿って前記貫通孔に連通するように形成された複数の溝部が他方のプレートで塞がれることによって高圧流体の加速流路が形成され、プレートの外周から各溝部へ高圧流体が導入されるものであるため、高圧流体が部材を貫通して形成された曲がる流路を進むことなく導入できるため、圧力損失がなく良好に流速が増大されて充分な衝突力をもって衝突処理を行うことができ、それと共にプレート内部に引張り応力を生じるような流路もないためプレート割れが生じないという効果がある。   In the atomization apparatus of the present invention, the disk-shaped second plate in which a through hole is formed along the central axis and the disk-shaped first plate abutting on the disk are overlapped on the same axis in a face-to-face state. The nozzle means for high-pressure fluid collision is provided, and a plurality of grooves formed to communicate with the through-hole along the radial direction on the contact end surface of either the first plate or the second plate The high-pressure fluid acceleration channel is formed by being blocked by the plate, and the high-pressure fluid is introduced from the outer periphery of the plate to each groove portion. Therefore, the curved channel formed by the high-pressure fluid penetrating the member Because there is no pressure loss, the flow velocity is increased well, the collision process can be performed with sufficient collision force, and there is no flow path that causes tensile stress inside the plate. There is an effect that rate cracking does not occur.

本発明による微粒化装置は、材料固体粒子を含む高圧流体同士を衝突させるためのノズル手段として、主に円盤状の第１プレートと第２プレートとを互いに対面させた状態で同軸状に重ね合わせてなるものを備えたものであり、第１プレートと第２プレートのいずれかの当接端面上に半径方向に沿って二つ以上の溝部が形成され、高圧流体の導入流路によって高圧流体がプレートの外周からそれぞれ半径上で開口する各溝部へその開口から導入されるものである。   The atomization apparatus according to the present invention is a nozzle means for colliding high-pressure fluids containing material solid particles, and the disk-shaped first plate and second plate are coaxially overlapped with each other facing each other. Two or more grooves are formed along the radial direction on the contact end surface of either the first plate or the second plate, and the high-pressure fluid is introduced by the high-pressure fluid introduction channel. It is introduced from the opening to each groove portion opening on the radius from the outer periphery of the plate.

即ち、本発明の微粒化装置においては、第１プレートまたは第２プレートに形成された溝部が他方のプレートによって上面が塞がれることによって、高圧流体が衝突する加速流路が形成され、各溝部の半径上の外周側開口から中心軸方向へ向かって導入された高圧流体同士がこの加速流路を進んでプレートの中心軸位置で衝突され、衝突後に第２プレートの中心軸に沿って形成された貫通孔から衝突済み流体として導出されるものである。   That is, in the atomization apparatus of the present invention, the groove portion formed in the first plate or the second plate is closed on the upper surface by the other plate, thereby forming an acceleration flow path in which high-pressure fluid collides. The high-pressure fluids introduced from the outer peripheral opening on the radius toward the central axis travel along this acceleration flow path and collide at the central axis position of the plate, and are formed along the central axis of the second plate after the collision. It is derived as a fluid that has been collided from the through hole.

従って、本発明のノズル手段においては、高圧流体が部材を貫通して形成された曲がる流路を進むことなく導入できるため、圧力損失がなく良好に流速が増大されて充分な衝突力をもって衝突処理を行うことができ、それと共にプレート内部に引張り応力を生じるような流路もないためプレートに割れが生じることもない。   Therefore, in the nozzle means of the present invention, since the high-pressure fluid can be introduced without going through the curved flow path formed through the member, the flow rate is increased without any pressure loss, and the collision treatment is performed with sufficient collision force. In addition, there is no flow path that causes a tensile stress inside the plate, so that the plate is not cracked.

また、本発明のノズル手段は、第１プレートと第２プレートという別体の部材同士により構成されるものであるため、両者を互いに異なる外径のものとすることができる。例えば、導出流路となる貫通孔が形成されている第２プレートに対して第１プレートを外径の小さいものに変更できる。従って、第２プレートと第１プレートとの当接により溝部の上面が覆われて形成される加速流路は、衝突距離（加速流路端から衝突位置までの導出流路口径の半径に相当）を大きくして過大な引張り応力をかけることなく小さいままで、第１プレートを第２プレートより外径の小さいものにするだけで簡単に短くすることができ、衝突力の向上が図れる。また、この加速流路は、第１プレートの外径を適宜変更することによって任意の長さに調節できる。   Moreover, since the nozzle means of this invention is comprised by the separate members called a 1st plate and a 2nd plate, both can be made into the thing of a mutually different outer diameter. For example, the first plate can be changed to one having a smaller outer diameter with respect to the second plate in which the through-hole serving as the outlet channel is formed. Therefore, the acceleration flow path formed by covering the upper surface of the groove portion by the contact between the second plate and the first plate is the collision distance (corresponding to the radius of the outlet flow path diameter from the acceleration flow path end to the collision position). It is possible to easily shorten the first plate by making the first plate smaller in outer diameter than the second plate while keeping it small without applying excessive tensile stress, and the impact force can be improved. Moreover, this acceleration flow path can be adjusted to an arbitrary length by appropriately changing the outer diameter of the first plate.

また、上記のように第１プレートを第２プレートより外径の小さいものとした場合、第２プレートには高圧流体導入時にプレート外周全体と前記露呈面に対して流体圧がかかり、その後面には反力が生じるためプレートにはほぼ外面全体から圧縮方向の力が作用し引張り応力が生じない。さらにこの第２プレートに対して第１プレートを押圧するシール手段として、高圧流体を導入流路へ導入する際の発生圧を利用することによって、これにバネによる付勢力を加えるという簡便な構成で、従来のネジ止めのような締め加減が困難で熟練を要するような強固な手段を必要とせずに、充分に第１と第２のプレート当接面における原料漏れを防止することができる。   Further, when the first plate has a smaller outer diameter than the second plate as described above, fluid pressure is applied to the entire outer periphery of the plate and the exposed surface when the high-pressure fluid is introduced to the second plate, Since a reaction force is generated, a force in the compression direction acts on the plate from almost the entire outer surface, and no tensile stress is generated. Further, as a sealing means for pressing the first plate against the second plate, by using the generated pressure when the high-pressure fluid is introduced into the introduction flow path, the urging force by the spring is applied to the second plate. The material leakage at the first and second plate abutting surfaces can be sufficiently prevented without requiring a strong means such as conventional screwing that is difficult to tighten and requires skill.

なお、本発明におけるノズル手段を構成する第１および第２プレートは、従来のものと同様の材質で形成してもよいが、焼結ダイヤなど、加工可能なものでより強度の高いものが望まれる。また、本発明で云う微粒化とは、材料粒子の粉砕、分散、乳化を含むものである。   The first and second plates constituting the nozzle means in the present invention may be formed of the same material as that of the conventional one, but it is desirable to be able to process and have higher strength such as a sintered diamond. It is. The atomization referred to in the present invention includes pulverization, dispersion, and emulsification of material particles.

本発明の一実施例による微粒化装置として、第２プレートに貫通孔と断面半円形状の溝部とを備えてなる場合を図１に示す。図１（ａ）は本微粒化装置の概略構成を示す側断面図であり、（ｂ）はノズル手段の部分拡大図であり、（ｃ）は（ｂ）のＡ−Ａ矢視図である。   FIG. 1 shows a case where the second plate is provided with a through hole and a semicircular groove section as an atomization apparatus according to an embodiment of the present invention. FIG. 1A is a side sectional view showing a schematic configuration of the present atomizer, FIG. 1B is a partially enlarged view of the nozzle means, and FIG. 1C is a view taken along the line AA in FIG. .

本実施例の微粒化装置１は、略カップ状のハウジング２にプラグ部材６を嵌合して内部に形成されるチャンバ９内に、プラグ部材６側の押さえ部材７とハウジング２側からバネ５により付勢されるノズル押さえ３との間でノズル手段１０が保持されるものである。   The atomization device 1 of this embodiment includes a pressing member 7 on the plug member 6 side and a spring 5 from the housing 2 side in a chamber 9 formed inside by fitting the plug member 6 to a substantially cup-shaped housing 2. The nozzle means 10 is held between the nozzle presser 3 that is biased by.

ノズル手段１０は、押さえ部材７側に配置される円盤状の第２プレート１２と、該第２プレート１２に対してノズル押さえ３に対して押圧される円盤状の第１プレート１１とから構成されており、これら第１と第２のプレート（１１，１２）との間に高圧流体の衝突部が形成されるものである。従って、ノズル手段１０へ高圧流体を導入するための導入流路１５は、ノズル押さえ３とプラグ側の押さえ部材７との間のノズル手段１０の外側空間で形成されている。   The nozzle means 10 includes a disk-shaped second plate 12 disposed on the pressing member 7 side, and a disk-shaped first plate 11 pressed against the nozzle pressing 3 against the second plate 12. In addition, a high-pressure fluid collision portion is formed between the first and second plates (11, 12). Therefore, the introduction flow path 15 for introducing the high-pressure fluid into the nozzle means 10 is formed in the outer space of the nozzle means 10 between the nozzle presser 3 and the plug-side presser member 7.

従って、衝突処理対象原料である固体粒子を含む高圧流体は、ハウジング２の端部からチャンバ９およびノズル押さえ３に形成された供給流路４を経て導入流路１５へ供給され、該導入流路１５よりノズル手段１０へその外周方向からノズル手段１０内部の衝突部へ導入される。   Accordingly, the high-pressure fluid containing the solid particles that are the target material for the collision treatment is supplied from the end of the housing 2 to the introduction flow path 15 via the supply flow path 4 formed in the chamber 9 and the nozzle retainer 3, and the introduction flow path 15 is introduced into the nozzle means 10 from the outer peripheral direction to the collision portion inside the nozzle means 10.

本実施例においては、第２プレート１２には、その中心軸に沿って貫通孔１３が形成されており、押さえ部材７およびプラグ部材６に配設されている衝突済み流体の導出流路８に連通されている。また第２プレート１２は、第１プレート１１と当接する側の端面上にその半径方向に沿って貫通孔１３と連通するよう互いに等角度間隔で２つの溝部１４が形成されている。   In the present embodiment, the second plate 12 has a through-hole 13 formed along the central axis thereof, and the second plate 12 has a collision fluid outlet channel 8 disposed in the holding member 7 and the plug member 6. It is communicated. The second plate 12 has two groove portions 14 formed at equal angular intervals on the end surface on the side in contact with the first plate 11 so as to communicate with the through hole 13 along the radial direction.

従って、この２つの溝部１４は同一直径上にならび、第１プレート１１に覆われて高圧流体を衝突させるための加速流路１４Ｘとなる。このとき、溝部１４は第１プレート１１の外周端縁部で前記直径上の両端側（各半径上の外周端側）でそれぞれ開口し、加速流路１４Ｘの導入口となる。よって導入流路１５よりプレート外周方向から導入される原料液の高圧流体は、溝部１４の直径方向両側の２箇所の開口部からそれぞれ対向方向に導入され、加速流路１４Ｘを経て進み、溝部１４の中心位置、即ち第２プレート１２および貫通孔１３の中心軸位置１４Ｙへ向かい該衝突位置１４Ｙで互いに衝突する。   Accordingly, the two groove portions 14 are arranged on the same diameter and are covered with the first plate 11 to form an acceleration flow path 14X for colliding the high pressure fluid. At this time, the groove portion 14 opens at both ends on the diameter side (outer end side on each radius) at the outer peripheral edge of the first plate 11 and serves as an introduction port for the acceleration flow path 14X. Therefore, the high-pressure fluid of the raw material liquid introduced from the introduction channel 15 from the outer periphery of the plate is introduced in the opposing direction from the two openings on both sides in the diameter direction of the groove 14, proceeds through the acceleration channel 14 </ b> X, and proceeds to the groove 14. Toward the center axis position 14Y of the second plate 12 and the through hole 13, and collide with each other at the collision position 14Y.

以上のような構成のノズル手段１０を備えた微粒化装置１では、高圧流体がプレート部材内で曲がる流路を進むことなく加速流路１４Ｘへ導入できるため、圧力損失がなく良好に流速が増大されて充分な衝突力をもって衝突処理を行うことができ、それと共にプレート内部に引張り応力を生じるような貫通流路もないため第２プレート１２に割れが生じることもない。   In the atomization apparatus 1 provided with the nozzle means 10 having the above-described configuration, the high-pressure fluid can be introduced into the acceleration channel 14X without proceeding through the channel that bends in the plate member, so that the flow rate is increased without any pressure loss. Thus, the collision process can be performed with a sufficient collision force, and the second plate 12 is not cracked because there is no through-flow path that generates a tensile stress inside the plate.

さらに、実施例においては、第１プレート１１の外径Ｄ１を第２プレート１２の外径Ｄ２より小さいものとした。これによって第２プレート１２と第１プレート１１との当接により溝部１４の上面が覆われて形成される加速流路１４Ｘは、衝突距離１４Ｌ（加速流路１４Ｘ端から衝突位置１４Ｙまでの導出流路口径Ｄ３の半径に相当）を大きくして過大な引張り応力をかけることなく小さいままで、簡単に短くすることができ、衝突力の向上が図れる。このように本実施例のノズル手段１０は、第１プレート１１と第２プレート１２という別体の部材同士により構成されるものであるため、両者を互いに異なる外径のものとすることができ、加速流路１４Ｘを、第１プレート１１の外径を適宜変更することによって任意の長さに調節できる。   Further, in the embodiment, the outer diameter D1 of the first plate 11 is smaller than the outer diameter D2 of the second plate 12. Thus, the acceleration flow path 14X formed by covering the upper surface of the groove portion 14 by the contact between the second plate 12 and the first plate 11 has a collision distance 14L (the derived flow from the end of the acceleration flow path 14X to the collision position 14Y). (Corresponding to the radius of the road port diameter D3) can be made short without increasing excessive tensile stress and can be easily shortened, and the impact force can be improved. Thus, since the nozzle means 10 of the present embodiment is constituted by separate members of the first plate 11 and the second plate 12, both of them can have different outer diameters. The acceleration flow path 14X can be adjusted to an arbitrary length by appropriately changing the outer diameter of the first plate 11.

また、このように第１プレート１１の外径Ｄ１を第２プレート１２の外径Ｄ２より小さいものとすることによって、第２プレート１２の溝部１４は第１プレート１１との当接面の外周面領域において露呈された状態となり、高圧流体導入の際には、第２プレート１２の外周および前記露呈部に圧力がかかり、プレート１２の後面で反力が発生する。このため、第２プレート１２にはほぼ外周面全体から圧縮方向への力が作用することとなり、さらに引張り応力がかからなくなる。   In addition, by making the outer diameter D1 of the first plate 11 smaller than the outer diameter D2 of the second plate 12 in this way, the groove portion 14 of the second plate 12 is the outer peripheral surface of the contact surface with the first plate 11. When the high pressure fluid is introduced, pressure is applied to the outer periphery of the second plate 12 and the exposed portion, and a reaction force is generated on the rear surface of the plate 12. For this reason, a force in the compression direction acts on the second plate 12 from substantially the entire outer peripheral surface, and further, no tensile stress is applied.

また本実施例においては、第２プレート１２に対して第１プレート１１を押圧するシール手段として、ノズル押さえ３において高圧流体供給流路４からの高圧流体導入の際に発生する圧力を利用している。即ち、第１プレート１１には非高圧流体導入時においてノズル押さえ３のバネ５による付勢力のみが作用しているのに対して、高圧流体導入時には上記の発生力がさらに作用する。従って、本実施例においては、微粒化処理工程時に生じる高圧流体導入による発生力を利用することによって、ノズル押さえ３にバネ５を設けるという簡便な構成で、従来のネジ止めのような締め加減が困難で熟練を要するような強固な手段を必要とすることなく、第１プレート１１と第２のプレート１２との当接面における原料漏れを充分に防止することができる。   In this embodiment, as a sealing means for pressing the first plate 11 against the second plate 12, the pressure generated when the high-pressure fluid is introduced from the high-pressure fluid supply channel 4 in the nozzle retainer 3 is used. Yes. That is, only the urging force by the spring 5 of the nozzle presser 3 acts on the first plate 11 when the non-high pressure fluid is introduced, whereas the above-described generated force further acts when the high pressure fluid is introduced. Therefore, in this embodiment, by using the force generated by the introduction of the high-pressure fluid generated during the atomization process, the spring 5 is provided on the nozzle presser 3, and the tightening and the like as in conventional screwing can be performed. Raw material leakage at the contact surface between the first plate 11 and the second plate 12 can be sufficiently prevented without requiring a hard means that is difficult and requires skill.

このような本実施例における微粒化装置１において高圧流体衝突実験を行ったところ、第１プレート１１が第２プレート１２と同一外径のものの場合であっても、図２の従来タイプのノズル手段を用いた場合では割れが生じてしまうような処理時間を経ても、より高い微粒化性能が問題なく維持され、また従来の溝無しディスクプレート対面配置によるノズル手段を用いた場合よりも速度損失がない分、良好な微粒化が行われる。   When a high-pressure fluid collision experiment was performed in the atomization apparatus 1 in this embodiment, the conventional nozzle means of FIG. 2 is used even when the first plate 11 has the same outer diameter as the second plate 12. Even when processing time that would cause cracking occurs, the higher atomization performance is maintained without problems, and the speed loss is lower than when using the nozzle means with the conventional grooveless disk plate facing arrangement. Good atomization is performed by the amount of the loss.

さらに、第１プレート１１の外径Ｄ１を例えば第２プレート１２の外径Ｄ２の１／２まで小さくしていった場合、両プレートが同一外径の場合よりも微粒化できる。   Further, when the outer diameter D1 of the first plate 11 is reduced to, for example, ½ of the outer diameter D2 of the second plate 12, the two plates can be made finer than when both plates have the same outer diameter.

なお上記実施例においては、ノズル手段として、加速流路を構成するための溝部１４を第２プレート１２の半径方向に沿って二つ設けた場合を示したが、本発明においては、これに限定するものではない。例えば、図３、図４に示すように、第２プレート１２の半径方向に沿って３本以上という多数の溝部１４を設けた構成とすることによって微粒化処理の効率化を図ることができる。このように多くの溝部を設ける場合、放射状に、さらには互いに等角度間隔で形成すればより効率的で均一な衝突状態が得られる。   In the above embodiment, the case where two groove portions 14 for forming the acceleration flow path are provided as the nozzle means along the radial direction of the second plate 12 is shown. However, the present invention is not limited to this. Not what you want. For example, as shown in FIGS. 3 and 4, the efficiency of the atomization process can be improved by providing a configuration in which a large number of groove portions 14 of three or more are provided along the radial direction of the second plate 12. When many grooves are provided in this way, a more efficient and uniform collision state can be obtained if they are formed radially and at equal angular intervals.

また、あらかじめそれぞれ異なる溝部本数のものを複数用意しておき、実際の原料液に応じて望ましい衝突処理効率が得られるものを適宜選択して用いてもよい。さらに、図５、図６に示すように、第２プレート３２は貫通孔３３のみを形成し、第１プレート３１の方に適した本数の溝部３４を設けたノズル手段としてもよく、第２プレート１２に設けた場合と効果は変わりない。   Alternatively, a plurality of grooves having different numbers of grooves may be prepared in advance, and those that can obtain a desired collision treatment efficiency may be appropriately selected and used according to the actual raw material liquid. Further, as shown in FIGS. 5 and 6, the second plate 32 may be a nozzle means in which only the through holes 33 are formed, and the number of grooves 34 suitable for the first plate 31 is provided. The effect is the same as in the case of setting to 12.

なお、溝部の断面形状は、上記実施例に示す半円形に限るものではなく、半楕円形、角形状など、種々の物が使用可能であるが、原料液が抵抗無くよりスムーズに流通できる形状の物が望ましい。   The cross-sectional shape of the groove is not limited to the semicircular shape shown in the above embodiment, and various things such as a semi-elliptical shape and a square shape can be used, but the shape in which the raw material liquid can flow more smoothly without resistance. Is desirable.

本発明の一実施例による微粒化装置の概略構成図であり、（ａ）は本微粒化装置の概略構成を示す側断面図であり、（ｂ）はノズル手段の部分拡大図であり、（ｃ）は（ｂ）のＡ−Ａ矢視図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram of the atomization apparatus by one Example of this invention, (a) is a sectional side view which shows schematic structure of this atomization apparatus, (b) is the elements on larger scale of a nozzle means, c) is an AA arrow view of (b). 従来の微粒化装置のノズル手段の一例を示す概略構成図である。It is a schematic block diagram which shows an example of the nozzle means of the conventional atomization apparatus. 本発明の他のノズル手段の構成を示す概略斜視図である。It is a schematic perspective view which shows the structure of the other nozzle means of this invention. 本発明の他のノズル手段の構成を示す概略斜視図である。It is a schematic perspective view which shows the structure of the other nozzle means of this invention. 本発明の他のノズル手段の構成を示す概略斜視図である。It is a schematic perspective view which shows the structure of the other nozzle means of this invention. 本発明の他のノズル手段の構成を示す概略斜視図である。It is a schematic perspective view which shows the structure of the other nozzle means of this invention.

符号の説明Explanation of symbols

１：微粒化装置
２：ハウジング
３：ノズル押さえ
４：高圧流体供給流路
５：バネ
６：プラグ部材
７：押さえ部材
８：導出流路
９：チャンバ
１０：ノズル手段
１１，３１：第１プレート
１２，３２：第２プレート
１３，３３：貫通孔
１４，３４：溝部
１４Ｘ：加速流路
１４Ｙ：衝突位置
１４Ｌ：衝突距離
１５：高圧流体導入流路
２０：ディスクプレート
２１：導入流路
２２：溝
２２Ｘ：加速流路
２２Ｙ：衝突位置
２２Ｌ：衝突距離
２３：溝なしディスクプレート
２４：導出流路
1: Atomization device 2: Housing 3: Nozzle presser 4: High pressure fluid supply channel 5: Spring 6: Plug member 7: Presser member 8: Outlet channel 9: Chamber 10: Nozzle means 11, 31: First plate 12 32: Second plate 13, 33: Through hole 14, 34: Groove 14X: Acceleration channel 14Y: Collision position 14L: Collision distance 15: High pressure fluid introduction channel 20: Disc plate 21: Introduction channel 22: Groove 22X : Acceleration channel 22Y: Collision position 22L: Collision distance 23: Grooveless disk plate 24: Derivation channel

Claims (2)

固体粒子を含む高圧流体同士を衝突させるためのノズル手段と、該ノズル手段へ前記高圧流体を導入するための導入流路とを備えた微粒化装置において、
前記ノズル手段は、互いに対面状態で同軸に重ね合わされた円盤状の第１プレートと第２プレートとを備え、
第２プレートは、中心軸に沿って形成された貫通孔を有し、
第１プレートと第２プレートのいずれかに、これら両プレート同士の当接状態で前記貫通孔と連通するように当接面上の半径方向に沿って形成された複数の溝部を有し、
前記導入流路に導かれた高圧流体を、プレート外周からそれぞれ半径上で開口する各溝部へ導入するようにしたことを特徴とする微粒化装置。 In a atomization apparatus comprising nozzle means for causing high pressure fluids containing solid particles to collide with each other, and an introduction flow path for introducing the high pressure fluid into the nozzle means,
The nozzle means includes a disk-shaped first plate and a second plate that are coaxially overlapped with each other in a face-to-face state,
The second plate has a through hole formed along the central axis,
Either one of the first plate and the second plate has a plurality of grooves formed along the radial direction on the contact surface so as to communicate with the through hole in a contact state between the two plates.
The atomization apparatus characterized in that the high-pressure fluid guided to the introduction flow path is introduced into each groove portion opening on the radius from the outer periphery of the plate. 前記第１プレートは、前記第２プレートより小さい外径を有し、第２プレートの第１プレート当接面外周面領域を露呈させるものであり、
バネによる付勢力と、高圧流体が前記導入流路へ導入される際の発生圧とによって第１プレートを第２プレートに対して押圧するシール手段を備えていることを特徴とする請求項１に記載の微粒化装置。
The first plate has an outer diameter smaller than that of the second plate, and exposes a first plate contact surface outer peripheral surface region of the second plate,
2. A sealing means for pressing the first plate against the second plate by an urging force by a spring and a pressure generated when a high-pressure fluid is introduced into the introduction flow path is provided. The atomization apparatus as described.
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CN109351443A (en) * 2018-12-02 2019-02-19 北京协同创新食品科技有限公司 A kind of high-pressure jet spray head and the high-pressure jet grinding device using the spray head
CN109351443B (en) * 2018-12-02 2024-02-27 北京协同创新食品科技有限公司 High-pressure jet nozzle and high-pressure jet crushing device using same
CN110743449A (en) * 2019-10-30 2020-02-04 鞠成钢 Lubricating oil graphite coupling dispersion devices

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