JPS6316037A

JPS6316037A - Fluid mixer

Info

Publication number: JPS6316037A
Application number: JP61157211A
Authority: JP
Inventors: Nobuo Hashimoto; 信雄橋本; Hideo Ishii; 石井　英夫; Kenji Tanahashi; 棚橋　兼二; Kenji Ono; 健治大野; Kiichi Ono; 喜一大野
Original assignee: ONO BANKIN KOGYOSHO KK
Current assignee: ONO BANKIN KOGYOSHO KK
Priority date: 1986-07-05
Filing date: 1986-07-05
Publication date: 1988-01-23

Abstract

PURPOSE:To obtain a fluid mixer easy to manufacture and displaying good mixing efficiency, by a method wherein a spiral shaft having a spiral groove carved therein spirally is engaged with a cylindrical pipeline having a spiral groove carved spirally and an axial fluid passage extending in an axial direction is formed in the axis part of the spiral shaft. CONSTITUTION:The fluid A injected in an inflow port A1 flows along the clockwise revolving spiral groove 2b of a pipeline 2 and the counterclockwise revolving spiral groove 3b of a spiral shaft 3 to flow in a state divided into two. The fluid B injected in an inflow port B1 flows along spiral grooves 2a, 3a. When the flow of the fluids advances, the divided surfaces of the partial streams of the fluids A, B generate facial contact. Since flow directions are different at these contact surfaces, turbulent flow is generated to mix both fluids A, B. Subsequently, when the flow of the fluids reaches the connection parts of screw threads, turbulent flow mixing is once interrupted. This turbulent flow mixing is repeated to sufficiently perform mixing. The fluid C injected in an inflow port C1 flows to a branch hole 33 to be divided into the main stream flowing to an outflow port along an axial fluid passage 32 and the partial stream flowing in the branch hole 33. The partial stream is made to flow out to be introduced into the flow passage where the fluids A, B are subjected to turbulent flow mixing.

Description

【発明の詳細な説明】〔産業上の利用分野〕本発明は、２種以上の同相あるいは異相の流体、すなわ
ち気体、液体、固体（粉体あるいは粒体）などの流体を
混合する、静止型混合器に使用される流体混合具に関す
る。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a stationary type fluid that mixes two or more fluids of the same phase or different phases, that is, fluids such as gas, liquid, solid (powder or granules), etc. This invention relates to a fluid mixer used in a mixer.

〔従来の技術〕[Conventional technology]

従来、複数の種類の同相または異相の流体を混合する混
合装置として、動力源を使用せず流体の運動エネルギー
を利用して該流体を混合する静止型の混合器が種々提案
されている。Conventionally, various types of static mixers have been proposed as mixing devices for mixing a plurality of types of fluids of the same phase or different phases, which mix the fluids using the kinetic energy of the fluids without using a power source.

例えば、かかる混合器として、特公昭４４−８２９０号
公報には、本件添付図面第１６〜１８図に具示したよう
に長尺な円筒形の通路管１７内に短尺な螺旋状の羽根１
８を点接触させて連設し、かつこれらの羽根１８の接触
端縁がそれぞれ適宜の角度にずれるよう各羽根１８を配
置した混合器１９からなるものである。For example, as such a mixer, Japanese Patent Publication No. 44-8290 discloses that a short spiral blade 1 is installed in a long cylindrical passage pipe 17 as shown in Figures 16 to 18 of the accompanying drawings.
8 are arranged in series in point contact with each other, and each blade 18 is arranged so that the contact edges of the blades 18 are shifted at appropriate angles.

しかして、かかる混合器１９では、通路管１７内に形成
された流体通路１７ａが、各羽根１８間において不連続
に軸変位することによって、各流体通路１７ａを通流す
る流体Ａ、Ｂが次の羽根１８の流体通路１７ａに流入す
る際に分割、混合された状態で流入するように構成され
ている。In this mixer 19, the fluid passages 17a formed in the passage pipes 17 are axially displaced discontinuously between the blades 18, so that the fluids A and B flowing through each fluid passage 17a are When flowing into the fluid passage 17a of the vane 18, it is configured to flow in a divided and mixed state.

しかしながら、かかる混合器１９では、接触端縁におけ
る各羽根１８の接続は、溶接あるいは蝋付けなどによる
ため、該接続部分で流体の異常滞留が生起する。However, in such a mixer 19, since the connection of each blade 18 at the contact edge is by welding or brazing, abnormal retention of fluid occurs at the connection portion.

また、前記羽根１８が、螺旋状を有していることにより
、流体Ａ、Ｂがこの捻じれた羽根１８の輪郭に従おうと
して螺旋状に回転し、各流体通路１７ａに渦流運動が生
じて該通路内で若干の乱流混合をもひき起こしている。Furthermore, since the blades 18 have a spiral shape, the fluids A and B rotate in a spiral pattern trying to follow the contour of the twisted blades 18, causing vortex motion in each fluid passage 17a. It also causes some turbulent mixing within the passage.

この運動を利用してより効果的に流体の混合を行うため
には、より広角度に捻じれた羽根１８を使用した方がよ
いが、例えば第１６〜１８図に示すごとき１８０度に捻
じれた羽根１８と通路管１７とを爆着するには、高度の
技術と特殊な設備が必要である。In order to use this motion to mix fluids more effectively, it is better to use blades 18 that are twisted at a wider angle. In order to explosively attach the blade 18 and the passage pipe 17, advanced technology and special equipment are required.

次に、前記各羽根の接続部分に生じる流体の異常滞留を
防止する技術として、例えば特開昭５８−１２８１３４
号公報には、本件添付図面第１９〜２１図に具示したよ
うに、短尺の通路管２０内に螺旋状の羽根２１を一体に
成形して混合具２２を形成したもので、かつ該混合具２
２は、隣接する羽根２１の接触端縁が所定の角度をなす
よう軸変位させながら第２１図に示すように適宜個数を
積層して使用するものである。Next, as a technique for preventing abnormal accumulation of fluid that occurs at the connecting portion of each blade, for example, Japanese Patent Application Laid-Open No. 58-128134
As shown in Figures 19 to 21 of the accompanying drawings, the publication discloses that a mixing tool 22 is formed by integrally molding a spiral blade 21 inside a short passage pipe 20, and Ingredients 2
No. 2 is used by stacking an appropriate number of blades as shown in FIG. 21 while axially displacing adjacent blades 21 so that their contact edges form a predetermined angle.

また、該混合具２２は、流体通路２０ａに流体Ａ、Ｂを
供給して前記特公昭４４−８２９０号公報記載の発明と
同様に主として流体の分割、混合を利用して該各流体を
混合するものである。Further, the mixing tool 22 supplies fluids A and B to the fluid passage 20a, and mixes the fluids mainly by dividing and mixing the fluids, similar to the invention described in Japanese Patent Publication No. 44-8290. It is something.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかしながら、前記特開昭５８−１２８１３４号公報記
載の技術のように、一体成形の混合具を制作するに際し
ては、一般的に９０度以上に捻じれた羽根を持つものを
鋳型あるいは射出成形によって成形することは、技術的
に困難である。However, when producing an integrally molded mixing tool as described in the above-mentioned Japanese Patent Application Laid-Open No. 58-128134, a device with blades twisted at an angle of 90 degrees or more is generally molded by molding or injection molding. It is technically difficult to do so.

特に、第１６〜１８図に具示したような特公昭４４−８
２９０号公報記載の技術に見られる、より広角度に捻じ
れた羽根を一体に成形し通路管内に形成することは極め
て困難である。Particularly, the special public service of 1974-8 as shown in Figures 16 to 18
It is extremely difficult to integrally mold the blades twisted at a wider angle and form them in the passage pipe as seen in the technique described in the No. 290 publication.

また、これら特公昭４４−８２９０号公報あるいは特開
昭５８−１２８１３４号公報における混合具の主たる混
合形態である分割混合は、混合率が悪く流体を最終的に
均一に混合するまでにはより多数の混合具を積層して使
用しなけらばならなかった。In addition, split mixing, which is the main mixing method of the mixing tools in these Japanese Patent Publication No. 44-8290 or Japanese Patent Application Laid-open No. 58-128134, has a poor mixing ratio and requires a large number of fluids to be mixed uniformly. I had to use a stack of mixing tools.

さらに、これらの従来の混合具で流体を混合するとき、
混合比によって物性が急激な変化を起こす流体同士（例
えば二液タイプのイソシアネート系あるいはエポキシ系
接着剤など）の混合の場合には、流体の反応速度が速い
ために、この混合具の流出側で、例えば凝固や発熱を起
こして混合具のｔ員傷などを招来する恐れがあり、この
ため従来においては同一混合工程を数回繰り返し、その
度ごとに少量ずつ混合を進めるという方法をとっていた
。さらにまた、これらの混合具では、第３成分を添加し
て混合することは不可能であった。Additionally, when mixing fluids with these traditional mixers,
When mixing fluids whose physical properties change rapidly depending on the mixing ratio (for example, two-component isocyanate or epoxy adhesives), the reaction rate of the fluids is fast, so For example, there is a risk of causing coagulation or heat generation, which could lead to damage to the mixing tool.For this reason, in the past, the same mixing process was repeated several times, and a small amount was mixed each time. . Furthermore, with these mixers, it was impossible to add and mix a third component.

本発明は、かかる従来の技術的課題を背景になされたも
ので、通路管の内部に９０度以上の捻じれ構造を有する
混合具の作製を容易にすることが可能であるとともに、
流体の混合率を良好にすることが可能であり、従って数
個の混合具を積層して形成する混合器における混合具の
使用個数を削減することが可能であるほか、該混合器で
の混合時間をも短縮することが可能で、また急激な化学
反応を起こす複数の流体の混合の場合でも同一混合工程
を繰り返してその度ごとに少量ずつ混合を進めるという
手間や暇のかかる方法をとらず、しかも第３成分の添加
も可能な流体混合具を提供することを目的とする。The present invention was made against the background of such conventional technical problems, and it is possible to easily manufacture a mixing tool having a twist structure of 90 degrees or more inside the passage pipe, and
It is possible to improve the mixing ratio of fluids, and therefore, it is possible to reduce the number of mixing tools used in a mixer formed by stacking several mixing tools, and it is also possible to improve the mixing ratio in the mixer. It also saves time, and even when mixing multiple fluids that cause rapid chemical reactions, there is no need to repeat the same mixing process and mix a small amount each time, which is a time-consuming and time-consuming method. Furthermore, the present invention aims to provide a fluid mixing tool that can also add a third component.

〔問題点を解決するための手段〕[Means for solving problems]

すなわち、本発明は、内周壁全長に適宜条数の螺旋溝を
螺刻した筒状の通路管に、外周壁全長に適宜条数の螺旋
溝を螺刻した螺旋軸を嵌入し、かつ螺旋軸の軸心部内に
軸方向へ伸びる軸心流体通路を形成したことを特徴とす
る流体混合具（以下、単に「流体混合具」ということが
ある）を提供するものである。That is, the present invention provides a cylindrical passage pipe with an appropriate number of spiral grooves carved on the entire length of the inner peripheral wall, and a helical shaft with an appropriate number of spiral grooves carved on the entire length of the outer peripheral wall, and The present invention provides a fluid mixing device (hereinafter sometimes simply referred to as a "fluid mixing device") characterized in that an axial fluid passage extending in the axial direction is formed in the axial center of the fluid mixing device.

〔作用〕[Effect]

本発明は、混合具内に流体を流入すると、一部の流体が
通路管の螺旋溝に沿って還流する一方、他の一部の流体
が螺旋軸の螺旋溝に沿って通流し、該混合具内で流体の
乱流混合が発生し、また混合具内の通路管および螺旋軸
の螺旋溝を流体が′ＪＪ！ｉ流するときに、流体の慣性
で流れと直角面での移相が行われ、螺旋溝接触流体と未
接触流体との入れ換えが順次行われ、さらに多数存在す
る１ｍ路管と螺旋軸との各接触点では、流体の分割によ
る混合も順次行われるため、流体の混合率を良好にする
ことが可能となり、従って数個の混合具を積層して形成
する混合器における混合具の使用個数を削減することが
可能であるほか、混合器での混合時′間も短縮すること
ができ、また一方螺旋軸の軸心流体通路内に流入された
流体は、この軸心流体通路内を通過し、流出口から流出
する際に前記通路管と螺旋軸との螺旋溝間で混合された
流体と混合されるため、例えば急激な化学反応番起こす
複数の流体の混合の場合でも混合時期を後らせることで
混合具内での急激な反応による混合具の損傷などを招来
する恐れを解消することができ、さらにこの軸心流体通
路から第３成分の添加も可能となすものである。In the present invention, when fluid flows into the mixing tool, part of the fluid flows back along the spiral groove of the passage pipe, while the other part of the fluid flows along the spiral groove of the spiral shaft, and the mixing device Turbulent mixing of the fluid occurs within the mixing tool, and the fluid flows through the passage pipe and the spiral groove of the helical shaft within the mixing tool. When flowing, the inertia of the fluid causes a phase shift in a plane perpendicular to the flow, and the fluid in contact with the spiral groove and the uncontacted fluid are sequentially replaced. At each contact point, mixing by dividing the fluid is also performed sequentially, making it possible to improve the mixing ratio of the fluid. Therefore, the number of mixing tools used in a mixer formed by stacking several mixing tools can be reduced. In addition, it is possible to shorten the mixing time in the mixer, and on the other hand, the fluid flowing into the axial fluid passage of the helical shaft passes through this axial fluid passage. When flowing out from the outlet, it is mixed with the fluid mixed between the helical groove of the passage pipe and the helical shaft, so even in the case of mixing multiple fluids that cause a rapid chemical reaction, for example, the mixing timing can be delayed. By doing so, it is possible to eliminate the possibility of damage to the mixing tool due to a rapid reaction within the mixing tool, and furthermore, it is possible to add the third component from this axial fluid passage.

〔実施例〕〔Example〕

以下、本発明の実施例を添付図面に基づいて詳細に説明
する。Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

まず、第１〜６図は、内周壁に右旋回に螺刻された螺旋
溝を有する通路管と、螺旋溝が左旋回に螺刻された螺旋
軸とよりなる本発明の混合具の一実施例である。First, FIGS. 1 to 6 show a mixing device of the present invention, which is composed of a passage pipe having a right-handed helical groove on the inner circumferential wall, and a helical shaft having a left-handed helical groove. This is an example.

ここで、第１図は本発明の混合具の正面図、第２図は第
１図Ｉ−Ｉ線の断面斜視図、第３図は本発明の混合具を
構成する右旋回の螺旋溝を有する通路管の正面図、第４
図は第３図ｎ−ｎ線の断面図、第５図は本発明の混合具
を構成する左旋回の螺旋溝を有する螺旋軸の正面図、第
６図は第５図の螺旋軸の側面図である。Here, FIG. 1 is a front view of the mixing tool of the present invention, FIG. 2 is a cross-sectional perspective view taken along line I-I in FIG. 1, and FIG. 3 is a right-handed spiral groove constituting the mixing tool of the present invention. A front view of a passage pipe having a fourth
The figure is a sectional view taken along line nn in Figure 3, Figure 5 is a front view of a helical shaft having a left-handed spiral groove constituting the mixing tool of the present invention, and Figure 6 is a side view of the helical shaft in Figure 5. It is a diagram.

以下、第１〜６図を纏めて説明すると、混合具１は、例
えばプラスチック製の肉厚でかつ円筒形の筒状の通路管
２と、この通路管２内に嵌入する例えばプラスチック製
の螺旋軸３とより構成される。Hereinafter, referring to FIGS. 1 to 6, the mixing tool 1 includes a thick-walled and cylindrical passage pipe 2 made of, for example, plastic, and a spiral pipe made of, for example, plastic that fits into the passage pipe 2. It is composed of shaft 3.

ここで、通路管２の内周壁には、その全長に渡り両端面
を貫通させて螺旋方向に垂直に断面視して半円形を有す
る２条の右旋回の螺旋溝２ａ、２ｂが１リード（３６０
度）螺刻され、かつ前記螺旋軸３の該周壁にはその全長
にわたり両端面を貫通させて幅広でかつ左旋回の螺旋溝
３ａ、３ｂが１リード螺刻されているとともに、この螺
旋軸３の軸心部３１内には両端面を貫通させて形成され
た軸心流体通路３２が形成され、かつこの螺旋軸３の軸
方向中央部の周側面には、軸心流体通路３２と連通する
枝孔３３が２個形成されている。Here, on the inner circumferential wall of the passage pipe 2, two right-handed spiral grooves 2a and 2b having a semicircular shape when viewed in cross section perpendicular to the helical direction and penetrating both end faces over the entire length thereof are formed with one lead. (360
The peripheral wall of the helical shaft 3 has wide and left-turning spiral grooves 3a and 3b with one lead thread extending through both end faces over the entire length of the helical shaft 3. An axial fluid passage 32 is formed in the axial part 31 of the helical shaft 3 by penetrating both end surfaces, and the peripheral surface of the axially central part of the helical shaft 3 communicates with the axial fluid passage 32. Two branch holes 33 are formed.

このとき、前記螺旋溝２ａおよび２ｂならびに螺旋溝３
ａおよび３ｂの螺刻に伴って各一対のねじ山２Ｃおよび
２ｄならびに３ｃおよび３ｄが、それぞれ通路管２の内
周壁および螺旋軸３の外周壁に形成されている。At this time, the spiral grooves 2a and 2b and the spiral groove 3
Along with the threads a and 3b, pairs of threads 2C and 2d and 3c and 3d are formed on the inner circumferential wall of the passage pipe 2 and the outer circumferential wall of the helical shaft 3, respectively.

なお、通路管２のねじ山２ｃあるいは２ｄの内径と、螺
旋軸３のねじ山３ｃあるいは３ｄの外径とは、はぼ一致
する程度の形状とし、該通路管２内に螺旋軸３が嵌入自
在、すなわち「隙間嵌め」、「止まり嵌め」あるいは「
締まり嵌め」になされることが好ましい。The inner diameter of the thread 2c or 2d of the passage pipe 2 and the outer diameter of the thread 3c or 3d of the helical shaft 3 are shaped to the extent that they almost match, and the helical shaft 3 is fitted into the passage pipe 2. Flexible, i.e., "loose fit", "blind fit", or "
Preferably, it is an "interference fit".

また、通路管２内の長さ方向に垂直な流体通路の断面積
は、通常、本発明の流体混合具の全長にわたり一定に形
成されていることが好ましい。Further, it is generally preferable that the cross-sectional area of the fluid passage perpendicular to the length direction in the passage pipe 2 is formed to be constant over the entire length of the fluid mixing device of the present invention.

さて、この混合具ｌを使用するときは、例えば被混合物
である流体Ａ、流体Ｂおよび流体Ｃをそれぞれ螺旋溝２
ｂ−３ｂ、２ａ−３ａの組み合わせにより形成された流
入口Ａ１、Ｂ１および軸心流体通路３２の流入口ＣＩに
注流する。Now, when using this mixing tool l, for example, fluid A, fluid B, and fluid C, which are to be mixed, are respectively placed in the spiral groove 2.
The fluid is poured into the inlets A1 and B1 formed by the combination of b-3b and 2a-3a and the inlet CI of the axial fluid passage 32.

ここで、流入口Ａ１に注流された流体Ａは、通路管２に
形成された右旋回の螺旋溝２ｂおよび螺旋軸３に形成さ
れた左旋回の螺旋溝３ｂに沿って該混合具ｌ内を各々逆
方向に旋回通流する。Here, the fluid A poured into the inlet A1 flows along the right-handed spiral groove 2b formed in the passage pipe 2 and the left-handed spiral groove 3b formed in the spiral shaft 3 into the mixing tool l. The flow circulates inside each of the tubes in opposite directions.

また、流入口Ｂ１に注流された流体Ｂは、前記流体Ａの
場合と同じく通路管２に形成された右旋回の螺旋溝２ａ
および螺旋軸３に形成された左旋回の螺旋溝３ａに沿っ
て該混合具１内を各々逆方向に旋回通流する。すなわち
、これらの流体Ａ１Ｂは、既に流入口ＡＩＢＩの近辺に
おいて各々２分割されて部分流となる。Further, the fluid B poured into the inlet B1 is fed into the right-handed helical groove 2a formed in the passage pipe 2, as in the case of the fluid A.
The liquid flows through the mixing device 1 in opposite directions along the left-handed spiral groove 3a formed in the spiral shaft 3. That is, these fluids A1B have already been divided into two into two partial flows in the vicinity of the inlet AIBI.

この通流が進行すると、流体への通路管２の螺旋溝２ｂ
を通流する部分流の分割面と、流体Ｂの螺旋軸３の螺旋
溝３ａを通流する部分流の分割面とが、円筒状に面接触
する。　。As this flow progresses, the spiral groove 2b of the passage pipe 2 to the fluid
The dividing surface of the partial flow flowing through the helical shaft 3 and the dividing surface of the partial flow flowing through the helical groove 3a of the helical shaft 3 of the fluid B come into surface contact in a cylindrical shape. .

同様に、螺旋軸３ｂを通流する流体Ａの部分流の分割面
と、螺旋溝２ａを通流する流体Ｂの部分流の分割面とが
、円筒状に面接触する。Similarly, the dividing surface of the partial flow of fluid A flowing through the helical shaft 3b and the dividing surface of the partial flow of fluid B flowing through the spiral groove 2a come into cylindrical surface contact.

これらの接触面では、流れの方向が異なるために乱流が
発生し混合作用、いわゆる乱流混合が生起する。At these contact surfaces, turbulence occurs due to the different flow directions, resulting in a mixing effect, so-called turbulent mixing.

さらに通流が進行すると、各部分流は、通路管２のねし
山部２Ｃと螺旋軸３のねじ山部３ｄとの接合部に到達し
、ここで各部分流は接触乱流混合を一旦中断し、流れを
正すとともに、次に始まる接触乱流混合を促進させる。As the flow further progresses, each partial flow reaches the joint between the threaded portion 2C of the passage pipe 2 and the threaded portion 3d of the helical shaft 3, where each partial flow once undergoes contact turbulent mixing. This interrupts the flow, corrects the flow, and promotes the catalytic turbulent mixing that begins next.

このねじ山部２ｃ、２ｄとねじ山部３ｃ、３ｄとが接合
している箇所は、通路管２側の螺旋溝２ａ、２ｂが２条
、螺旋軸３側の螺旋溝３ａ、３ｂが２条よりなる本実施
例においては合計８箇所あり、その数だけ接触乱流混合
を繰り返すことになる。Where these threaded portions 2c, 2d and threaded portions 3c, 3d are joined, there are two spiral grooves 2a, 2b on the passage pipe 2 side, and two spiral grooves 3a, 3b on the helical shaft 3 side. In this embodiment, there are a total of eight locations, and contact turbulent mixing is repeated as many times as there are.

一方、流体は、一般に抵抗の少ない所を通流する性質を
有しており、本実施例の混合具内の流体Ａ、Ｂの通流に
おいてもこの傾向が見られ、所定箇所で螺旋交差する螺
旋溝２ａ’−２ｂｓ３ａ、３ｂの間を交互に渡りながら
通流する動作を示す。On the other hand, fluid generally has the property of flowing through a place with little resistance, and this tendency is also seen in the flow of fluids A and B in the mixing tool of this example, where they spirally intersect at a predetermined place. It shows the operation of flowing water while alternately crossing between the spiral grooves 2a'-2bs3a and 3b.

この流体Ａ、Ｂの動作が、前記接触乱流混合を促進する
効果をもたらしている。This movement of fluids A and B has the effect of promoting the contact turbulent mixing.

また、混合具１の螺旋溝２ａ、２ｂあるいは３ａ、３ｂ
を流体ＡＳＢが通流するときに流体の慣性で流れと直角
面での移相が行われ、流体Ａ、Ｂの前記円筒状の接触面
と未接触部との間で順次該流体ＡＳＢの入れ換えが行わ
れるとともに前記ねし山部２ｃ、３ｄあるいは３ｃ、２
ｄの接合部で流体Ａ、Ｂの部分流の分割が行われるもの
である。Moreover, the spiral grooves 2a, 2b or 3a, 3b of the mixing tool 1
When the fluid ASB flows through, a phase shift is performed in a plane perpendicular to the flow due to the inertia of the fluid, and the fluid ASB is sequentially exchanged between the cylindrical contact surface of fluids A and B and the non-contact part. is carried out, and the threaded ridge portions 2c, 3d or 3c, 2
Partial flows of fluids A and B are divided at the junction d.

次に、螺旋軸３の軸心流体通路３２内に流入口Ｃ１から
注流された流体Ｃは、この螺旋軸３の軸方向中央部に形
成された枝孔３３までそのまま流れ込み、ここでさらに
この軸心流体通路３２に沿って流出口まで流れる主流と
、枝孔３３内へ流れ込む部分流とに分割される。Next, the fluid C poured into the axial fluid passage 32 of the helical shaft 3 from the inlet C1 flows as it is to the branch hole 33 formed in the axial center of this helical shaft 3, where it is further It is divided into a main flow that flows along the axial fluid passage 32 to the outlet and a partial flow that flows into the branch hole 33 .

枝孔３３へ流れる部分流は、この枝孔３３を通過して流
体Ａと流体Ｂとが接触乱流混合されている通路管２の螺
旋溝２ａ、２ｂと、螺旋軸３の螺旋溝３ａ、３ｂとで形
成された流路内に流出され、ここから混合具１の流出口
まで流体ＡＳＢとともに流体Ｃも接触乱流混合を繰り返
すものである。The partial flow flowing to the branch hole 33 passes through the branch hole 33 and the helical grooves 2a and 2b of the passage pipe 2, where the fluid A and the fluid B are mixed in contact and turbulently, the helical groove 3a of the helical shaft 3, 3b, and from there to the outlet of the mixing tool 1, the fluid C and the fluid ASB are repeatedly subjected to contact turbulence mixing.

なお、本発明において、螺旋軸３の軸心流体通路３２の
流入口Ｃ１は、必ずしも螺旋軸３の軸端面に形成されな
くてもよく、例えば螺旋軸３の軸周面に形成してもよい
。また、この軸心流体通路３２および枝孔３３の通路形
状および孔形状は、任意形状で構わず、さらにこれらの
形成数も任意数で構わない、また、この枝孔３３の形成
位置も螺旋軸３の軸周面であれば、特に限定されない。In the present invention, the inlet C1 of the axial fluid passage 32 of the helical shaft 3 does not necessarily have to be formed on the shaft end surface of the helical shaft 3, and may be formed, for example, on the shaft peripheral surface of the helical shaft 3. . Further, the passage shape and hole shape of the axial center fluid passage 32 and the branch hole 33 may be any shape, and the number of these may also be arbitrary. There is no particular limitation as long as it is the shaft peripheral surface of No. 3.

さらにまた、通路管２および螺旋軸３の材質は、ポリカ
ーボネート、ポリエチレン、ポリプロピレン、ポリエチ
レンテレフタレート、ポリブチレンテレフタレート、エ
ポキシ樹脂、アクリル系樹脂、ＡＢＳ樹脂、弗素樹脂な
どのプラスチック製に限られるものではなく、アルミニ
ウム、ステンレス、鉄、ニッケル、銅、チタンなどの金
属材料あるいはセラミックス、炭素繊維などの無機材料
、さらにはこれらの材料を複数組み合わせた複合材料（
例えば炭素繊維強化プラスック）などをも採用すること
が可能である。この場合、プラスツチク製、金属製ある
いは無機材料製の混合具の表面に耐熱性、耐摩耗性、耐
腐蝕性の被膜を施すこともできる。Furthermore, the material of the passage pipe 2 and the spiral shaft 3 is not limited to plastics such as polycarbonate, polyethylene, polypropylene, polyethylene terephthalate, polybutylene terephthalate, epoxy resin, acrylic resin, ABS resin, fluorine resin, etc. Metal materials such as aluminum, stainless steel, iron, nickel, copper, and titanium, inorganic materials such as ceramics and carbon fiber, and composite materials that combine multiple of these materials (
For example, it is also possible to employ carbon fiber reinforced plastics. In this case, it is also possible to apply a heat-resistant, abrasion-resistant, and corrosion-resistant coating to the surface of the mixing tool made of plastic, metal, or inorganic material.

また、通路管の形状は、円筒形に限られるものではなく
、内周壁に螺旋溝が螺刻可能な形状であればいかなる形
状でも可能である。Further, the shape of the passage pipe is not limited to a cylindrical shape, and any shape is possible as long as a spiral groove can be carved into the inner circumferential wall.

従って、本発明の混合具としては、例えば長尺な通路管
に複数本の螺旋軸が嵌入されたものでもよく、あるいは
ブロック体の一面から対向する他面に長尺な通路管を複
数本穿設し、これらの通路管にそれぞれ螺旋軸を嵌入し
てなるものでもよい。Therefore, the mixing tool of the present invention may be one in which a plurality of helical shafts are fitted into a long passage pipe, or a plurality of long passage pipes may be bored on one side of the block body and on the other side facing each other. Alternatively, a helical shaft may be fitted into each of these passage pipes.

さらに、通路管２および螺旋軸３に螺刻される螺旋溝の
条数も、混合する流体の数およびその性質などによって
適宜１条、２条、３条、４条など、その数を選択するこ
とが可能である。Furthermore, the number of spiral grooves formed on the passage pipe 2 and the spiral shaft 3 is selected as appropriate, such as 1, 2, 3, 4, etc., depending on the number of fluids to be mixed and their properties. Is possible.

さらにまた、１個の混合具における螺旋ｍ　２　ａ　。Furthermore, the spiral m2a in one mixing tool.

２ｂあるいは３ａ、３ｂのリード数は、１１Ｊ−ドに限
定されるものではなく、任意のリード数が可能である。The number of leads for 2b, 3a, and 3b is not limited to 11 J-does, and any number of leads is possible.

さらにまた、通路管２内では該通路管２内に嵌入された
螺旋軸３を、通常、例えば通路管２および螺旋軸３をそ
れぞれ固定するか、あるいはねし山２Ｃ１２ｄと３ｃ、
３ｄとの接触部を溶接あるいは接着剤などにより固定す
るが、固定することなく螺旋軸３が通路管２内で回転自
在になされていてもよい。さらにまた、通路管２のねじ
山および螺旋軸３のねし山をは羽根にて構成し、あるい
は通路管２および螺旋軸３の何れかを羽根状とすること
もできる。Furthermore, within the passage pipe 2, the helical shaft 3 fitted into the passage pipe 2 is usually fixed, for example, the passage pipe 2 and the helical shaft 3, respectively, or the helical threads 2C12d and 3c,
Although the contact portion with 3d is fixed by welding or adhesive, the helical shaft 3 may be rotatable within the passage pipe 2 without being fixed. Furthermore, the threads of the passage pipe 2 and the threads of the helical shaft 3 may be formed of blades, or either the passage pipe 2 or the spiral shaft 3 may be formed into a blade shape.

本実施例では、螺旋軸３の軸心部３１内に軸方向へ伸び
る軸心流体通路３２を形成したため、例えば流体Ｃが流
体Ａ、Ｂと混合されると急激な化学反応を起こす流体で
ある場合に、混合具１への流入時に、これら流体Ａ、Ｂ
に流体Ｃを混合させずにこの流体Ｃの混合時期を後らせ
ることにより混合具内での急激な化学反応による混合具
１の損傷などを招く恐れが少なくなり、またこの軸心流
体通路３２から第３成分を添加することもできる。In this embodiment, since the axial fluid passage 32 extending in the axial direction is formed in the axial center portion 31 of the helical shaft 3, for example, when fluid C is mixed with fluids A and B, it is a fluid that causes a rapid chemical reaction. In this case, when flowing into the mixing device 1, these fluids A and B
By delaying the mixing time of the fluid C without mixing the fluid C with the fluid C, there is less risk of damage to the mixing tool 1 due to rapid chemical reactions within the mixing tool, and this axial fluid passage 32 A third component can also be added.

また、本実施例では、螺旋軸３の周側面に枝孔３３を形
成したから、この枝孔３３の孔径に見合った分量の流体
Ｃを他の流体Ａ、Ｂと混合時期を後らせて混合させるこ
とができる。In addition, in this embodiment, since the branch hole 33 is formed on the circumferential side of the helical shaft 3, the timing of mixing the fluid C with the other fluids A and B in an amount commensurate with the hole diameter of the branch hole 33 is delayed. Can be mixed.

さらに、本実施例では、旋回方向の異なる螺旋溝２ａ、
２ｂと螺旋溝３ａ、３ｂの組み合わせであるから、各螺
旋溝２ａ、２ｂ、３ａ、３ｂの交差点の数がより増加し
、従ってより効率の良い流体の混合が可能である。Furthermore, in this embodiment, the spiral grooves 2a having different turning directions,
2b and the spiral grooves 3a, 3b, the number of intersections between the spiral grooves 2a, 2b, 3a, 3b increases, and therefore more efficient fluid mixing is possible.

次に、第７〜１２図は、内周壁に左旋回に螺刻された螺
旋溝を有する通路管と、螺旋溝が右旋回に螺刻された螺
旋軸とよりなる本発明の混合具の一実施例である。Next, FIGS. 7 to 12 show a mixing tool of the present invention comprising a passage pipe having a spiral groove carved in a left-handed direction on the inner circumferential wall, and a helical shaft in which the spiral groove is carved in a right-handed direction. This is an example.

ここで、第７図は本発明の混合具の正面図、第８図は第
７図ｍ−ｍ線の断面斜視図、第９図は本発明の混合具を
構成する左旋回の螺旋溝を有する通路管の正面図、第１
０図は第９図１’／−１’／線の断面図、第１１図は本
発明の混合具を構成する右旋回の螺旋溝を有する螺旋軸
の正面図、第１２図は第１１図の螺旋軸の側面図である
。Here, FIG. 7 is a front view of the mixing tool of the present invention, FIG. 8 is a cross-sectional perspective view taken along line m-m in FIG. A front view of a passage pipe having a first
0 is a sectional view taken along the line 1'/-1'/ in FIG. FIG. 3 is a side view of the helical shaft shown in the figure.

第７〜１２図における本実施例の混合具４は、通路管５
の内周壁に左旋回する２条の螺旋溝５ａと５ｂとを１リ
ード螺刻し、かつ螺旋軸６の外周壁に右旋回の２条の螺
旋溝６ａと６ｂとを１リード螺刻し、かつこの螺旋軸６
の軸心部６１内には両端面を貫通させて形成された軸心
流体通路６２が形成されたもの、すなわち前記第１〜６
図に示す実施例のものと丁度逆の旋回方向を有する混合
具である。The mixing tool 4 of this embodiment in FIGS. 7 to 12 has a passage pipe 5
Two left-turning helical grooves 5a and 5b are engraved with one lead on the inner peripheral wall of the helical shaft 6, and two right-turning helical grooves 6a and 6b are engraved with one lead into the outer peripheral wall of the helical shaft 6. , Katsuko's spiral shaft 6
An axial center fluid passage 62 is formed in the axial center part 61 of the axial center part 61, which is formed by penetrating both end surfaces, that is, the first to sixth
The mixing device has a direction of rotation exactly opposite to that of the embodiment shown in the figures.

なお、かかる本実施例の混合具４も、前記実施例の混合
具１と同様に、通路管５の内周壁には螺旋溝５ａ、５ｂ
の螺刻によりねじ山５ｃ、５ＬＯｉが、また螺旋軸６の
外周壁には螺旋溝６ａ、６ｂの螺刻によりねじ山６ｃ、
６ｄが、またこの螺旋軸６の流通方向中央部の周側面に
は、軸心流体通路６２と連通ずる２個の枝孔６３が、各
々形成されている。The mixing tool 4 of this embodiment also has spiral grooves 5a, 5b on the inner circumferential wall of the passage pipe 5, similar to the mixing tool 1 of the previous embodiment.
The threads 5c and 5LOi are formed by the threads 5c and 5LOi, and the threads 6c and 5LOi are formed by the threads 6a and 6b on the outer peripheral wall of the helical shaft 6.
6d, and two branch holes 63 communicating with the axial fluid passage 62 are formed on the circumferential side of the central portion of the helical shaft 6 in the flow direction.

かくて、被混合物である流体Ａ、流体Ｂおよび流体Ｃを
それぞれ螺旋溝５ｂと６ｂとで形成された流入口Ａ１お
よび螺旋溝５ａと６ａとで形成された流入口Ｂ１、さら
に軸心流体通路６２の流入口ＣＩに注流すると、前記実
施例の場合と同様に各流体ＡおよびＢは、各々旋回方向
が異なる螺旋溝５ｂ　　６ｂ、５ａ−５ａに従って流入
口ＡＩ、Ｂ１近辺で２分割されて部分流となる。In this way, fluid A, fluid B, and fluid C, which are to be mixed, are transferred to the inlet A1 formed by the spiral grooves 5b and 6b, the inlet B1 formed by the spiral grooves 5a and 6a, and further to the axial fluid passage. 62, the fluids A and B are divided into two near the inlets AI and B1 according to the spiral grooves 5b and 5a-5a, which have different swirling directions, respectively, as in the previous embodiment. It becomes a partial flow.

この通流が進行すると、流体への通路管５の螺旋溝５ｂ
を通流する部分流の分割面と、流体Ｂの螺旋軸６の螺旋
溝６ａを通流する部分流の分割面とが、円筒状に面接触
する。As this flow progresses, the spiral groove 5b of the passage pipe 5 to the fluid
The dividing surface of the partial flow flowing through the helical shaft 6 and the dividing surface of the partial flow flowing through the helical groove 6a of the helical shaft 6 of the fluid B come into surface contact in a cylindrical shape.

同様に、螺旋溝６ｂを通流する流体Ａの部分流の分割面
と、螺旋溝５ａを通流する流体Ｂの部分流の分割面とが
、円筒状に面接触する。Similarly, the dividing surface of the partial flow of fluid A flowing through the spiral groove 6b and the dividing surface of the partial flow of fluid B flowing through the spiral groove 5a come into cylindrical surface contact.

さらに通流が進行すると、各部分流は、通路管５のねし
山部５Ｃと螺旋軸６のねし山部６ｄとの接合部に到達し
、ここで各部分流は接触乱流混合を一旦中断し、流れを
正すとともに次に始まる接触乱流混合を促進させる。As the flow progresses further, each partial flow reaches the junction between the threaded crest 5C of the passage pipe 5 and the threaded ridge 6d of the helical shaft 6, where each partial flow undergoes contact turbulent mixing. The process is temporarily interrupted to correct the flow and promote the catalytic turbulent mixing that starts next.

このねじ山部５ｃ、５ｄとねじ山部６ｃ、６ｄとが接合
している箇所は、通路管５例の螺旋溝５ａ、５ｂが２条
、螺旋軸３例の螺旋溝６ａ、６ｂが２条よりなる本実施
例においては合計８箇所あり、その数だけ接触乱流混合
を繰り返すことになる。Where the threaded portions 5c, 5d and the threaded portions 6c, 6d are joined, there are two spiral grooves 5a, 5b of the five passage pipes, and two spiral grooves 6a, 6b of the three spiral shafts. In this embodiment, there are a total of eight locations, and contact turbulent mixing is repeated as many times as there are.

一方、流体は、一般に抵抗の少ない所を通流する性質を
有しており、本実施例の混合具内の流体Ａ、Ｂの通流に
おいてもこの傾向が見られ、所定箇所で螺旋交差する螺
旋溝５ａ、ｓｂ％６ａ％６ｂの間を交互に渡りながら通
流する動作を示す。On the other hand, fluid generally has the property of flowing through a place with little resistance, and this tendency is also seen in the flow of fluids A and B in the mixing tool of this example, where they spirally intersect at a predetermined place. The flow is shown to flow while alternately passing between the spiral grooves 5a and sb%6a%6b.

また、混合具４の螺旋溝５ａ、５ｂ、６ａ、６ｂを流体
Ａ、Ｂが通流するときに流体の慣性で流れと直角面での
移相が行われ、流体Ａ、Ｂの前記円筒状の接触面と未接
触部との間で順次該流体Ａ、Ｂの入れ換えが行われると
ともに、前記ねし山部５Ｃ１６ｄあるいは５ｄ、６Ｃの
接合部で流体Ａ、Ｂの部分流の分割が行われるものであ
る。Further, when the fluids A and B flow through the spiral grooves 5a, 5b, 6a, and 6b of the mixing tool 4, the inertia of the fluid causes a phase shift in a plane perpendicular to the flow, and the cylindrical shape of the fluid A and B is caused by the inertia of the fluid. The fluids A and B are sequentially exchanged between the contact surface and the uncontacted part, and the partial flows of the fluids A and B are divided at the joint of the threaded ridges 5C16d or 5d and 6C. It is something.

なお、軸心流体通路６２内の流体Ｃの流れは、混合具１
の場合と全く同様である。Note that the flow of the fluid C in the axial fluid passage 62 is
This is exactly the same as in the case of .

なお、本発明においては、前記第１〜６図および第７に
１２図に示すように、螺旋溝の旋回方向が通路管の螺旋
溝の旋回方向と逆である混合具に限定されるもので信な
く、両者の旋回方向が同一な混合具、すなわち通路管の
螺旋溝の旋回方向と螺旋軸の螺旋溝の旋回方向とが各々
右旋回または左旋回の混合具であってもよい。In addition, in the present invention, as shown in FIGS. 1 to 6 and FIGS. 7 and 12, the mixing tool is limited to a mixing device in which the direction of rotation of the spiral groove is opposite to the direction of rotation of the spiral groove of the passage pipe. However, it is also possible to use a mixing tool in which the directions of both the spiral grooves are the same, that is, the direction in which the spiral grooves of the passage pipe and the spiral groove of the spiral shaft rotate to the right or to the left, respectively.

しかし、効率良く前記分割混合、乱流混合および移相混
合を実施するためには、第１〜６図あるいは第７〜１２
図に例示したように通路管の螺旋溝と螺旋軸の螺旋溝と
が互いに旋回方向の異なる混合具が良好である。However, in order to efficiently carry out the divided mixing, turbulent mixing, and phase shift mixing, it is necessary to
As illustrated in the figure, a mixing device in which the spiral groove of the passage tube and the spiral groove of the spiral shaft have different directions of rotation is preferred.

このようにして形成された混合具は、単独でも混合器と
して使用可能であるが、通常、積層して混合器として使
用され、この場合には互いに旋回方向の異なる混合具を
種々組み合わせて使用するのが効果的である。The mixing tool formed in this way can be used alone as a mixer, but is usually stacked and used as a mixer, and in this case, various combinations of mixing tools with different rotation directions are used. is effective.

例えば、第１３図は、本発明の混合具を組み合わせてな
る混合器７の中央部縦断面図であるが、該混合器７は第
７〜１２図に具示された混合具４と第１〜６図に具示さ
れた混合具ｌとを交互に積層してなるものである。For example, FIG. 13 is a longitudinal cross-sectional view of a central part of a mixer 7 formed by combining the mixing tools of the present invention. This is made by alternately stacking the mixing tools 1 and 1 shown in FIGS.

ただし、混合器７の最も流出側の混合具４の軸心流体通
路６２は、流通方向に向がって技孔６３以後が閉鎖され
た通路となっており、かつ各混合具１．４間には流体Ｃ
の軸心流体通路３２．６２間の流体漏れを防止するパツ
キン３４．６４が設置されているものである。However, the axial fluid passage 62 of the mixing tool 4 on the most outflow side of the mixer 7 is a passage closed after the opening 63 in the flow direction, and the space between each mixing tool 1.4 is closed. has fluid C
A gasket 34.64 is installed to prevent fluid leakage between the axial fluid passages 32.62.

このとき、積層される各混合具１および４の接続は、両
混合具１．４の両端部の面形状が重合するように接続す
るのが良好であるが、３０〜１５０度の範囲で任意の角
度に該混合具１４の面形状をずらして重合することも可
能である。At this time, it is best to connect the stacked mixing tools 1 and 4 so that the surface shapes of both ends of both mixing tools 1.4 overlap, but any angle between 30 and 150 degrees is preferable. It is also possible to perform polymerization by shifting the surface shape of the mixing tool 14 at an angle of .

ただし、面形状を任意角度にずらして接続する場合には
、次の混合具の流入口周縁で発生する流体ＡＳＢの抵抗
を少なくするために該流入口周縁を丸く縁取るか、ある
いは流れをスムーズに誘導するためにスペーサー（図示
せず）をこれらの混合具間に挿入することが好ましい。However, when connecting by shifting the surface shape at an arbitrary angle, the periphery of the inlet should be rounded to reduce the resistance of the fluid ASB generated at the periphery of the inlet of the next mixing device, or the flow should be smoothed. Preferably, a spacer (not shown) is inserted between these mixing tools to guide the mixing.

このように構成された混合器７を使用するときには、ま
ず第１の混合具４の流入口Ａ１、Ｂ１およびＣ１に、流
体Ａ、ＢおよびＣを各々注流すると、流体Ａ、Ｂは前記
したように通路管５上の左旋回の螺旋溝５ａ、５ｂと螺
旋軸６上の右旋回の螺旋溝６ａ、６ｂとに従って該混合
具４内を通流し、この間に流体の移相が行われるととも
に、通路管５側のねじ山５ｃ、５ｄと螺旋軸６側のねじ
山６Ｃ１６ｄとの８箇所の接合部間で接触乱流混合およ
び分割混合を繰り返し行う。When using the mixer 7 configured in this way, firstly, fluids A, B, and C are poured into the inlets A1, B1, and C1 of the first mixer 4, respectively, and the fluids A and B are as described above. The fluid flows through the mixer 4 according to the left-handed spiral grooves 5a, 5b on the passage pipe 5 and the right-handed spiral grooves 6a, 6b on the helical shaft 6, and a phase shift of the fluid is performed during this time. At the same time, contact turbulent mixing and split mixing are repeatedly performed between the eight joints between the threads 5c and 5d on the passage pipe 5 side and the thread 6C16d on the helical shaft 6 side.

このようにして、第１の混合具４で混合された流体Ａ、
Ｂは、次の第２の混合具１に通流され、この混合具１内
では前記したように通路管２上の右旋回の螺旋溝２ａ、
２ｂと螺旋軸３上の左旋回の螺旋溝３ａ、３ｂとに従っ
て該混合具１内を通流し、この間に流体の移相が行われ
るとともに、通路管２側のねじ山２Ｃ１２ｄと螺旋軸３
側のねじ山３ｃ、３ｄとの８箇所の接合部間で接触乱流
混合および分割混合を繰り返し行う。In this way, the fluid A mixed in the first mixer 4,
B is passed through the next second mixing tool 1, and in this mixing tool 1, as described above, the right-handed spiral groove 2a on the passage pipe 2,
2b and the left-handed spiral grooves 3a and 3b on the spiral shaft 3, the fluid flows through the mixer 1, and during this time, the phase of the fluid is shifted, and the thread 2C12d on the passage pipe 2 side and the spiral shaft 3
Contact turbulent mixing and split mixing are repeatedly performed between the eight joints with the side threads 3c and 3d.

同様に混合具１でより細か（混合された流体ＡおよびＢ
はさらに第３の混合具４、第４の混合具１といったよう
に混合過程を順次繰り返えされて完全に均一に混合され
て混合器７の流出口Ａ２、Ｂ２から流出される。Similarly, in mixer 1, finer (mixed fluids A and B)
Further, the mixing process is repeated sequentially in the third mixer 4, fourth mixer 1, etc., and the mixture is completely and uniformly mixed, and then the mixture is discharged from the outlet ports A2 and B2 of the mixer 7.

次に、前記流入口Ｃ１から注流された流体Ｃは、順次、
各混合具１．４の枝孔３３．６３形成部までは各軸心流
体通路３２．６２に沿ってまっすぐ流れ込むが、ここで
流体Ｃの一部は枝孔３３．６３へ流れる部分流となり、
この部分流は枝孔３３．６３を通過して前記した流体Ａ
、Ｂが接触乱流混合する流路内に流れ込んで、以後流体
Ａ、Ｂとともに接触乱流混合を繰り返して最終的には、
この流体Ｃも流体Ａ、Ｂと完全に均一に混合されて混合
流体ＡＢＣとして混合器７の流出口Ａ２、Ｂ２から流出
される。Next, the fluid C poured from the inflow port C1 is sequentially
Up to the formation of the branch hole 33.63 of each mixing device 1.4, it flows straight along each axial fluid passage 32.62, where a part of the fluid C becomes a partial flow that flows into the branch hole 33.63,
This partial flow passes through the branch hole 33.63 and flows through the fluid A described above.
, B flow into the channel where fluids A and B undergo contact turbulence mixing, and after that, the contact turbulence mixing is repeated with fluids A and B, and finally,
This fluid C is also completely and uniformly mixed with the fluids A and B, and is discharged from the outlet ports A2 and B2 of the mixer 7 as a mixed fluid ABC.

本実施例では、各混合具１．４間にパツキン３４．６４
を設置したため、流体Ｃの軸心流体通路３２．６２間の
流体漏れを防止することができる。また、本実施例では
、混合器７の最も流出側の混合具４の軸心流体通路６２
は、流通方向に向かって枝孔６３以後が閉鎖された通路
となっているため、最終的にこの軸心流体通路６２を流
れる流体Ｃは、全て流体Ａ、Ｂと混合されて流出口Ａ２
、Ｂ２から流出される。In this example, there are 34.64 pieces of packing between 1.4 and 1.4 pieces of each mixing tool.
, it is possible to prevent fluid leakage between the axial fluid passages 32 and 62 of the fluid C. In addition, in this embodiment, the axial fluid passage 62 of the mixing tool 4 on the most outflow side of the mixer 7
is a passage closed from the branch hole 63 onward in the flow direction, so that all of the fluid C flowing through the axial fluid passage 62 is mixed with the fluids A and B and flows through the outlet A2.
, B2.

なお、混合器７の各混合具１．４間に設置するパツキン
３４．６４は必ずしも必要でないが、軸心流体通路３２
．６２間の流体Ｃの流体漏れを防止するために備えてい
た方が好ましい。Note that the gaskets 34.64 installed between the mixing tools 1.4 of the mixer 7 are not necessarily required, but the gaskets 34.64 installed between the mixing tools 1.4 of the mixer 7 are
．． It is preferable to provide this in order to prevent the fluid C from leaking between the gaps 62 and 62.

また、混合器７に用いる混合具は、前記混合具１あるい
は４のごとく通路管および螺旋軸に螺刻された螺旋溝の
旋回方向が互いに異なるものに限定されるものではなく
、例えば両螺旋溝の旋回方向が同一の混合具であっても
よい。Further, the mixing tool used in the mixer 7 is not limited to the mixing tool 1 or 4 in which the spiral grooves formed on the passage pipe and the helical shaft have different turning directions. The mixing tools may be rotated in the same direction.

しかしながら、混合具としては、一般的には前記両螺旋
溝の旋回方向が異なるものを使用した方が混合効率の面
から良好である。However, in general, it is better to use a mixing tool in which both the spiral grooves rotate in different directions from the viewpoint of mixing efficiency.

また、混合具の積層方法は、第１３図に示す混合器７の
ように、旋回方向の異なる混合具１．４を交互に積層す
るものに限られず、同一旋回の混合具のみを積層（例え
ば混合具ｌのみを積層）することも可能であり、また一
方向の混合具を複数個積層したのち、他方向の混合具を
複数個積層するものでもよい。Furthermore, the method of stacking the mixing tools is not limited to stacking mixing tools 1.4 with different rotation directions alternately, as in the mixer 7 shown in FIG. It is also possible to stack only the mixing tools 1), or it is also possible to stack a plurality of mixing tools in one direction and then stack a plurality of mixing tools in the other direction.

しかし、単一の旋回方向の異なる混合具（例えば混合具
１．４）を交互に積層する混合器の方がより混合効率が
良好である。However, a mixer in which a single mixer having different rotation directions (for example, mixer 1.4) is stacked alternately has better mixing efficiency.

次に、第１４図は、本発明の混合具を使用した混合器７
と前記した第１８図および第２１図に示す従来の混合器
Ｘ、Ｙとの混合率の目安となるもので、「混合率と混合
具の積層数」との関係を表す相関図である。Next, FIG. 14 shows a mixer 7 using the mixing tool of the present invention.
This is a correlation diagram showing the relationship between the mixing ratio and the number of layers of mixing tools, which is a guideline for the mixing ratio with the conventional mixers X and Y shown in FIGS. 18 and 21 described above.

（なお、第１８図の混合器Ｘおいては、羽根１８の数を
混合具の積層数とするものである。）第１４図によれば
、本発明の混合具を使用した混合器７の場合には４〜６
個の混合具で１００％に近い混合率が得られるのに対し
、第１８図に示した混合器Ｘでは６〜８個以上積層する
ことを要し、また第２１図に示した混合器Ｙでは１２〜
２４個の混合具を積層しなければならないことが分かる
。(In addition, in the mixer X of FIG. 18, the number of blades 18 is the number of layers of the mixing tool.) According to FIG. 14, the mixer 7 using the mixing tool of the present invention is 4 to 6 in some cases
A mixing ratio close to 100% can be obtained with a single mixing device, whereas the mixer X shown in FIG. So 12~
It can be seen that 24 mixing tools must be stacked.

しかも特殊な流体の場合には、混合具の数は、第１４図
の積層数の約倍の数が必要である。Furthermore, in the case of a special fluid, the number of mixers is required to be approximately twice the number of layers shown in FIG.

すなわち、本発明の混合具の積層数は、従来の混合具よ
りも約１／２〜１／４の数でほぼ同じ混合率を得ること
ができる。That is, the number of stacked layers of the mixing tool of the present invention is about 1/2 to 1/4 that of the conventional mixing tool, and almost the same mixing ratio can be obtained.

次に、第１５図は本発明の混合具１．４を順次交互にａ
層して形成された混合器７（第１３図参照）を利用した
樹脂系接着剤用の２液温合吐出装置の概略図である。な
お、このとき軸心流体通路３２．６２内へは流体は注流
されていない。Next, FIG. 15 shows the mixing device 1.4 of the present invention sequentially and alternately
FIG. 14 is a schematic diagram of a two-component heating and discharging device for resin adhesive using a layered mixer 7 (see FIG. 13). Note that at this time, no fluid is poured into the axial fluid passage 32.62.

かかる２液温合吐出装置は、作動部を構成する移動ロボ
ット８、該ロボット８の腕先に設置する吐出バルブ７ａ
を有する混合器（ミキサー）７、主剤Ａと硬化剤Ｂとを
貯溜し、かつこの流体ＡおよびＢを混合器７に正流する
ポンプユニット９、該ポンプユニット９と混合器７とを
連結するフレキシブルチューブｌＯ１混合器７内を洗浄
するための洗浄ユニット１１、ワーク１２を搬送するベ
ルトコンベア１３およびこれらのものを制御する制御部
とからなる。Such a two-liquid heating and discharging device includes a mobile robot 8 constituting an operating section, and a discharge valve 7a installed at the arm of the robot 8.
A mixer 7 having a mixer 7, a pump unit 9 that stores the base agent A and the curing agent B and directly flows the fluids A and B to the mixer 7, and connects the pump unit 9 and the mixer 7. It consists of a cleaning unit 11 for cleaning the inside of the flexible tube lO1 mixer 7, a belt conveyor 13 for conveying the work 12, and a control section for controlling these things.

かかる制御部は、前記ポンプユニット９および洗浄ユニ
ット１２とを制御するミキサーコントローラ１４、ロボ
ット８を制御するロボットコントローラ１５およびこれ
らの両コントローラを一括制御するメインコントローラ
１６とにより構成されているもである。This control section is composed of a mixer controller 14 that controls the pump unit 9 and the cleaning unit 12, a robot controller 15 that controls the robot 8, and a main controller 16 that collectively controls both of these controllers. .

なお、前記ポンプユニット９は、プランジャーポンプ、
ギヤポンプ、スクリューポンプ、チュービッグポンプな
どの中から用途に適したポンプを任意に選択することが
できる。Note that the pump unit 9 is a plunger pump,
You can arbitrarily select a pump suitable for your application from among gear pumps, screw pumps, tubing pumps, etc.

さて、かかる装置では、ロボットコントローラ１５の指
令によりロボット８の腕が所定位置に移動し、ミキサー
コントローラ１４の指令でロボット腕先に設置された混
合器７内にフレキシブルチューブ１０を介してポンプユ
ニット９より主剤Ａ１硬化剤Ｂが流入される。In this device, the arm of the robot 8 is moved to a predetermined position by a command from the robot controller 15, and the pump unit 9 is passed through a flexible tube 10 into a mixer 7 installed at the tip of the robot arm by a command from the mixer controller 14. The main agent A1 and the curing agent B are then flowed in.

混合器７内に注流した両液剤は、該混合器内部で完全に
混合されて吐出バルブ７ａの開閉によりワーク１２面に
注出される。Both liquids poured into the mixer 7 are completely mixed inside the mixer and are discharged onto the surface of the workpiece 12 by opening and closing the discharge valve 7a.

作業中断または終了時には、フレキシブルチューブ１０
を洗浄ユニットへ接続し、混合器７内に残った液剤を洗
浄するものである。When interrupting or finishing work, the flexible tube 10
is connected to a cleaning unit to clean the liquid remaining in the mixer 7.

なお、この装置では、樹脂系接着剤用の２液温合吐出装
置に本発明の混合具１．４を積層した混合器７を使用し
たが、かかる装置に限定されるものではなく、例えば軸
心流体通路３２．６２内に流体Ｃを注流させて３液温合
吐出装置としたり、また他の液体、気体または固体（粉
体、粒体など）の同相間あるいは異相間の混合を利用し
た装置などにも用いることは可能である。In this device, the mixer 7 in which the mixing tool 1.4 of the present invention is laminated on the two-component heating and discharging device for resin-based adhesive is used, but the device is not limited to such a device. Fluid C is poured into the cardiac fluid passage 32.62 to create a three-liquid heating and discharging device, or mixing of other liquids, gases, or solids (powder, granules, etc.) in the same phase or in different phases is used. It is also possible to use it for devices such as

以上、詳述した本発明の混合具の用途としては、例えば
樹脂および接着工業におけるポリマーの製造、ポリマー
の均質化、ポリマー中への顔料あるいは染料の均一分散
、ポリマー中への可塑剤の混合、２液接着剤の混合（例
えば一般的な主剤−硬化剤混合型接着剤）、ウレタン系
接着剤の混合（例えば−液ボンド系接着剤）など；繊維
工業におけるポリマーの製造、ポリマーブレンド、ポリ
マーの均質化、添加剤の混合、繊維助剤の乳化、高粘度
ポリマーの熱交換、チップブレンドなど；化学工業にお
ける各種薬品の希釈（苛性ソーダやアンモニアなどの濃
度調整、化学中間製品のｐＨ調整など）、各種薬品の混
合など；油脂工業における油脂の鹸化、油脂の中和、油
脂の混合・着色など；食料品工業における油脂製品の混
合、粉製品の混合・溶解、液状、ペースト状半製品への
着色・若番、泡状製品の製造（例えば乳製品のホモジナ
イズ）、嗜好飲料の製造（例えば酒類、果汁飲料、清涼
飲料などのブレンド）、熱交換など；化粧品工業におけ
る液状・ペースト状の半製品の混合・着色・若番（例え
ばクリームの乳化・若番）、液状製品の乳化（例えば整
髪料への添加・混合）など；製紙工業のおけるパルプの
混合・均一化、添加剤の混合、廃液への凝集剤添加など
；窯炉工業のおける素材の混合（例えばセラミックス原
料あるいはガラス原料の混合）、原材料の洗浄・抽出な
ど；燃料工業における燃料油の混合、燃料油の乳化、燃
料ガスの混合など；冶金工業における粉体あるいは粒体
原料の混合など；環境・排水処理工業における排水汚泥
槽の活性化、汚泥中への酸素曝気、排水のｐＨ１１整、
汚泥凝集剤の添加など；輸送産業における粉体、粒体の
輸送：塗料工業における原材料の混合、塗装色の調合、
即乾剤の調合、硬化剤の調合など；土木・建築工業にお
けるコンクリート混練など；電気工業のおける電気部品
の接着（例えば基板への部品接着）、電気部品の封止（
例えばリミットスイッチなどの絶縁封止）、電気部品の
配線（例えば基板などのホットメルト配線）など；ガス
化学工業における特殊ガスの混合（例えば酸化防止ガス
の製造、人工空気の製造）など；その他の分野として養
魚池の酸素供給、実験生物室用雰囲気空気の製造、バイ
オテクノロジー関連工業における混合作業などの種々の
工業分野に広く利用することができる。Applications of the mixing tool of the present invention as detailed above include, for example, production of polymers in the resin and adhesive industry, homogenization of polymers, uniform dispersion of pigments or dyes in polymers, mixing of plasticizers in polymers, Mixing of two-component adhesives (e.g. general base-curing agent mixed adhesives), mixing of urethane adhesives (e.g. -liquid bond adhesives); production of polymers in the textile industry, polymer blends, polymer blends, etc. Homogenization, mixing of additives, emulsification of textile auxiliaries, heat exchange of high viscosity polymers, chip blending, etc.; dilution of various chemicals in the chemical industry (adjustment of concentration of caustic soda, ammonia, etc., pH adjustment of chemical intermediate products, etc.); Mixing of various chemicals, etc.; Saponification of fats and oils, neutralization of fats and oils, mixing and coloring of fats and oils in the oil and fat industry; Mixing of oil and fat products in the food industry, mixing and dissolving powder products, coloring of liquid and pasty semi-finished products.・Manufacture of foam products (e.g., homogenization of dairy products), production of beverages (e.g., blending of alcoholic beverages, fruit juices, soft drinks, etc.), heat exchange, etc.; production of liquid and pasty semi-finished products in the cosmetics industry. Mixing, coloring, young number (e.g. emulsification of cream, young number), emulsification of liquid products (e.g. addition/mixing to hair conditioners), etc.; Mixing, homogenization of pulp in the paper industry, mixing of additives, waste liquid Addition of flocculant, etc.; Mixing of materials in the kiln industry (e.g. mixing of ceramic raw materials or glass raw materials), cleaning and extraction of raw materials, etc.; Mixing of fuel oil, emulsification of fuel oil, mixing of fuel gas, etc. in the fuel industry. ; Mixing of powder or granular raw materials in the metallurgical industry; Activation of wastewater sludge tanks, aeration of oxygen into sludge, pH adjustment of wastewater, etc. in the environment and wastewater treatment industry;
Addition of sludge flocculants, etc.; Transportation of powder and granules in the transportation industry; Mixing of raw materials in the paint industry, formulation of paint colors, etc.
Preparation of instant drying agents, preparation of curing agents, etc.; Mixing of concrete in the civil engineering and construction industries; Adhesion of electrical parts in the electrical industry (e.g. adhesion of parts to circuit boards), Sealing of electrical parts (
(e.g. insulation sealing of limit switches, etc.), electrical component wiring (e.g. hot melt wiring for circuit boards, etc.); mixing of special gases in the gas chemical industry (e.g. production of antioxidant gas, production of artificial air); etc. It can be widely used in various industrial fields such as oxygen supply for fish ponds, production of atmospheric air for laboratory biological laboratories, and mixing work in biotechnology-related industries.

〔発明の効果〕〔Effect of the invention〕

本発明は、内周壁全長に適宜条数の螺旋溝を螺刻した筒
状の通路管に、外周壁全長に適宜条数の螺旋溝を螺刻し
た螺旋軸を嵌入し、かつ螺旋軸の軸心部内に軸方向へ伸
びる軸心流体通路を形成したことにより、内部に９０度
以上の捻じれ構造を有する混合具の作製を容易に可能に
するとともに、流体の混合率を良好にすることが可能と
なり、従って数個の混合具を積層して形成される混合器
における混合具の使用個数が削減することが可能であり
、しかも該混合器での混合時間も短縮することができ、
また螺旋軸の軸心流体通路内に流入された流体は、この
軸心流体通路内を通過し、流出口から流出する際に前記
通路管と螺旋軸との螺旋溝間で混合された流体と混合さ
れるため、例えば急激な化学反応を起こす複数の流体の
混合の場合でも混合時期を後らせることで混合具内での
急激な反応による混合具の損傷などを招来する恐れを解
消することができ、さらに第３成分の添加も可能となす
ものである。The present invention provides a cylindrical passage pipe with an appropriate number of spiral grooves carved on the entire length of the inner peripheral wall, a helical shaft having an appropriate number of spiral grooves carved on the entire length of the outer peripheral wall, and an axis of the helical shaft. By forming an axial fluid passageway extending in the axial direction within the core, it is possible to easily manufacture a mixing tool having an internal twist structure of 90 degrees or more, and to improve the mixing ratio of fluids. Therefore, the number of mixing tools used in a mixer formed by stacking several mixing tools can be reduced, and the mixing time in the mixer can also be shortened.
Further, the fluid flowing into the axial fluid passage of the helical shaft passes through the axial fluid passage and flows out from the outlet with the fluid mixed between the passage pipe and the helical groove of the helical shaft. To eliminate the risk of damage to the mixing tool due to a rapid reaction within the mixing tool by delaying the mixing time, even when mixing multiple fluids that cause rapid chemical reactions, for example. It also makes it possible to add a third component.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の混合具の正面図、第２図は第１図１−
１線の断面斜視図、第３図は本発明の混合具を構成する
右旋回の螺旋溝を有する通路管の正面図、第４図は第３
図ｎ−ｎ線の断面図、第５図は本発明の混合具を構成す
る左旋回の螺旋溝を有する螺旋軸の正面図、第６図は第
５図の螺旋軸の側面図、第７図は本発明の混合具の正面
図、第８図は第７図ｍ−ｍ線の断面斜視図、第９図は本
発明の混合具を構成する左旋回の螺旋溝を有する通路管
の正面図、第１０図は第９図ＴＶ−ＩＶ線の断面図、第
１１図は本発明の混合具を構成する右旋回の螺旋溝を有
する螺旋軸の正面図、第１２図は第１１図の螺旋軸の側
面図、第１３図は本発明の混合具を組み合わせてなる混
合器の中央部縦断面図、第１４図は本発明の混合具を使
用した混合器７と第１８図および第２１図に示す従来の
混合器との「混合率と混合具の積層数」との関係を表す
相関図、第１５図は本発明の混合具４．１を順次交互に
積層して形成された混合器７（第１３図参照）を利用し
た樹脂系接着剤用の２液温合吐出装置の概略図、第１６
図は長尺な円筒形の通路管内に１８０度捻じった端尺な
螺旋状の羽根を９０度づつずらして配設した従来の混合
器の平面図、第１７図は第１６図Ｖ−Ｖ線の部分断面図
、第１８図は第１６図Ｖ−Ｖ線の中央部断面図、第１９
図は短尺な円筒形の通路管に９０度捻じった短尺な螺旋
状の羽根を一体に成形した従来の混合具の平面図、第２
０図は第１９図Ｖｌ−Ｖｌ線の断面図、第２１図はこの
混合具を積層してなる混合器の中央部縦断面図である。Ａ、Ｂ；流体　　　　　　１．４；混合具２．５；通路
管　　　　　３．６；螺旋軸３１．６１；軸心部３２．６２：軸心流体通路３３．６３；枝孔特許出願人　有限会社　大野板金工業所代理人　　弁理
士　　　白　井　重　隆第　ｌ　図　　　　Ｍ２　＠第３図　　　第４　図第ｑ　図　　　　　第１Ｏ図第１Ｉ図　　　　竿１２ＨFig. 1 is a front view of the mixing tool of the present invention, Fig. 2 is Fig. 1-1-
3 is a front view of a passage pipe having a right-handed helical groove constituting the mixing tool of the present invention, and FIG.
5 is a front view of a helical shaft having a left-handed spiral groove constituting the mixing tool of the present invention; FIG. 6 is a side view of the helical shaft shown in FIG. 5; The figure is a front view of the mixing tool of the present invention, FIG. 8 is a cross-sectional perspective view taken along line m-m in FIG. 10 is a sectional view taken along the line TV-IV in FIG. 9, FIG. 11 is a front view of a helical shaft having a right-handed helical groove constituting the mixing tool of the present invention, and FIG. 12 is a sectional view taken along the line TV-IV in FIG. 13 is a longitudinal sectional view of the central part of a mixer made by combining the mixing tool of the present invention, and FIG. 14 is a side view of the helical shaft of the mixer 7 using the mixing tool of the present invention, Figure 21 is a correlation diagram showing the relationship between "mixing ratio and the number of layers of mixing tools" with the conventional mixer, and Figure 15 is a correlation diagram showing the relationship between the mixing ratio and the number of layers of mixing tools 4.1 of the present invention formed by sequentially and alternately stacking the mixing tools 4.1 of the present invention. Schematic diagram of a two-component heating and discharging device for resin adhesive using the mixer 7 (see FIG. 13), No. 16
The figure is a plan view of a conventional mixer in which narrow spiral blades twisted 180 degrees are arranged in a long cylindrical passage pipe, shifted by 90 degrees. 18 is a partial sectional view taken along the line V-V in FIG. 16, and FIG.
The figure is a plan view of a conventional mixing tool in which short spiral blades twisted 90 degrees are integrally molded into a short cylindrical passage pipe.
0 is a sectional view taken along the line Vl--Vl in FIG. 19, and FIG. 21 is a longitudinal sectional view of the central part of the mixer formed by stacking the mixing tools. A, B; Fluid 1.4; Mixing tool 2.5; Passage pipe 3.6; Spiral shaft 31.61; Axial center portion 32.62: Axial center fluid passage 33.63; Branch hole Patent applicant Ohno Co., Ltd. Sheet metal industry agent Patent attorney Shige Takashi Shirai Figure M2 @ Figure 3 Figure 4 Figure q Figure 1O Figure 1I Rod 12H

Claims

【特許請求の範囲】[Claims]

（１）内周壁全長に適宜条数の螺旋溝を螺刻した筒状の
通路管に、外周壁全長に適宜条数の螺旋溝を螺刻した螺
旋軸を嵌入し、かつ螺旋軸の軸心部内に軸方向へ伸びる
軸心流体通路を形成したことを特徴とする流体混合具。(1) A spiral shaft with an appropriate number of spiral grooves carved on the entire length of the outer peripheral wall is inserted into a cylindrical passage pipe with an appropriate number of spiral grooves carved on the entire length of the inner peripheral wall, and the axis of the spiral shaft is A fluid mixing device characterized in that an axial fluid passage extending in the axial direction is formed within the portion.

（２）通路管および螺旋軸の螺旋溝がともに同一方向に
旋回するように螺刻されてなる特許請求の範囲第１項記
載の流体混合具。(2) The fluid mixing device according to claim 1, wherein the spiral grooves of the passage pipe and the spiral shaft are both threaded so as to rotate in the same direction.

（３）通路管および螺旋軸の螺旋溝が互いに異なる方向
に旋回するように螺刻されてなる特許請求の範囲第１項
記載の流体混合具。(3) The fluid mixing device according to claim 1, wherein the spiral grooves of the passage pipe and the spiral shaft are threaded so as to rotate in different directions.

（４）通路管および螺旋軸には、１条、２条、または３
条の螺旋溝が螺刻されてなる特許請求の範囲第１項〜第
３項いずれか１項記載の流体混合具。(4) The passage pipe and helical shaft may have one, two, or three threads.
3. A fluid mixing device according to any one of claims 1 to 3, wherein the spiral groove of the strip is threaded.

（５）通路管および螺旋軸には、ともに同一条数の螺旋
溝が螺刻されてなる特許請求の範囲第１項〜第４項いず
れか１項記載の流体混合具。(5) The fluid mixer according to any one of claims 1 to 4, wherein the passage pipe and the helical shaft are both provided with the same number of spiral grooves.

（６）通路管および螺旋軸には、互いに異なる条数の螺
旋溝が螺刻されてなる特許請求の範囲第１項〜第４項い
ずれか１項記載の流体混合具。(6) The fluid mixer according to any one of claims 1 to 4, wherein the passage pipe and the helical shaft are provided with spiral grooves of different numbers.

（７）通路の長さ方向に垂直な流体通路の断面積は、流
体混合具の全長にわたり一定に形成されてなる特許請求
の範囲第１項〜第６項いずれか１項記載の流体混合具。(7) The fluid mixing device according to any one of claims 1 to 6, wherein the cross-sectional area of the fluid passage perpendicular to the length direction of the passage is constant over the entire length of the fluid mixing device. .

（８）通路管および螺旋軸に螺刻された螺旋溝のリード
数が任意のリード数である特許請求の範囲第１項〜第７
項いずれか１項記載の流体混合具。(8) Claims 1 to 7, wherein the number of leads of the spiral groove formed on the passage pipe and the spiral shaft is an arbitrary number of leads.
The fluid mixing device according to any one of the items.

（９）螺旋軸の軸心流体通路がこの螺旋軸の両端面を貫
通して形成されてなる特許請求の範囲第１〜８項いずれ
か１項記載の流体混合具。(9) The fluid mixing device according to any one of claims 1 to 8, wherein the axial fluid passage of the helical shaft is formed passing through both end surfaces of the helical shaft.

（１０）螺旋軸の軸端面に流体混合具の積層使用時に隣
接する螺旋軸の軸心流体通路間の流体漏れを防止するパ
ッキン部材が設置されてなる特許請求の範囲第１〜９項
いずれか１項記載の流体混合具。(10) Any one of claims 1 to 9, wherein a packing member is installed on the shaft end surface of the helical shaft to prevent fluid leakage between the axial fluid passages of adjacent helical shafts when the fluid mixer is used in a stacked manner. The fluid mixing device according to item 1.

（１１）螺旋軸の周側面に軸心部内の軸心流体通路と連
通する枝孔が穿設されてなる特許請求の範囲第１〜１０
項いずれか１項記載の流体混合具。(11) Claims 1 to 10 in which a branch hole communicating with the axial fluid passage in the axial center portion is bored on the circumferential side of the helical shaft.
The fluid mixing device according to any one of the items.

（１２）螺旋軸の軸心流体通路がこの螺旋軸の軸端面を
貫通させずに形成されてなる特許請求の範囲第１〜８項
および第１０〜１１項いずれか１項記載の流体混合具。(12) The fluid mixing device according to any one of claims 1 to 8 and 10 to 11, wherein the axial fluid passage of the helical shaft is formed without penetrating the end face of the helical shaft. .