JPH0445211B2 - - Google Patents
Info
- Publication number
- JPH0445211B2 JPH0445211B2 JP59238155A JP23815584A JPH0445211B2 JP H0445211 B2 JPH0445211 B2 JP H0445211B2 JP 59238155 A JP59238155 A JP 59238155A JP 23815584 A JP23815584 A JP 23815584A JP H0445211 B2 JPH0445211 B2 JP H0445211B2
- Authority
- JP
- Japan
- Prior art keywords
- draft tube
- rotating shaft
- liquid
- cylindrical
- spiral band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、液状物質を攪拌混合して均一な製品
を得たり、攪拌条件下で高分子化合物を製造する
ための反応に用いられる攪拌装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a stirring device used for stirring and mixing liquid substances to obtain a uniform product or for a reaction for producing a polymer compound under stirring conditions. Regarding.
〔従来の技術と発明が解決しようとする問題点〕
攪拌装置には多くの種類があり、低粘度液用と
してはプロペラ、タービン、パドル等が一般に用
いられ、高粘度液用としては螺旋帯翼（ヘリカル
リボン翼）、スクリユー翼、錨型翼等が一般に用
いられている。[Prior art and problems to be solved by the invention] There are many types of stirring devices; propellers, turbines, paddles, etc. are generally used for low-viscosity liquids, and spiral band blades are used for high-viscosity liquids. (helical ribbon wings), screw wings, anchor-shaped wings, etc. are commonly used.
特に、高分子化合物の製造プロセスで往々にし
て取扱う高粘度液は、低粘度液に比べて混合所要
時間が長いため、攪拌装置の選定いかんにより製
品の品質を左右することとなり、慎重を要するも
のである。また、高粘度液の場合には攪拌動力と
しても大動力が必要となるので、省電力の観点か
らも効率のよい装置の選定が必要となる。 In particular, high viscosity liquids, which are often handled in the manufacturing process of polymer compounds, require a longer mixing time than low viscosity liquids, so the quality of the product will be affected by the selection of stirring equipment, so care must be taken. It is. Further, in the case of a high viscosity liquid, a large amount of power is required as stirring power, so it is necessary to select an efficient device from the viewpoint of power saving.
混合の効率からみて、液中にガスを効率よく分
散させるために必要な機能は、
槽内全域に液を流動させる機能（循環機能）
槽内全域にわたり液中にガスを分散させる機
能（剪断速度分布の均一化機能）
液のマクロな入換えを推進する機能（液の置
換機能）
である。 In terms of mixing efficiency, the functions required to efficiently disperse gas in the liquid are: A function to flow the liquid throughout the tank (circulation function) A function to disperse the gas in the liquid throughout the tank (shear rate) This function promotes macroscopic liquid replacement (liquid replacement function).
ところで従来の攪拌装置を上記３つの機能につ
いて検討すると、螺旋帯翼およびドラフトチユー
ブ付スクリユー翼のものはの機能は満足する
が、の機能は小さく、の機能は中程度であ
る。また錨型翼のものは〜のいずれの機能も
満足していない。 By the way, when conventional stirring devices are examined in terms of the three functions mentioned above, those with spiral band blades and screw blades with draft tubes satisfy the functions of 1, but the functions of 1 and 2 are small, and the functions of 2 and 3 are moderate. In addition, the anchor-shaped wing does not satisfy any of the following functions.
このようなわけで、高粘度液の混合を効率よく
行ない得る攪拌装置の開発が望まれていた。 For this reason, it has been desired to develop a stirring device that can efficiently mix high viscosity liquids.
本発明の目的は、上記３つの機能、すなわち循
環機能、剪断速度分布の均一化機能、液の置換機
能をいずれも満足し得る攪拌装置を提供すること
にある。 An object of the present invention is to provide a stirring device that can satisfy all of the above three functions, namely, a circulation function, a function of making the shear rate distribution uniform, and a function of replacing the liquid.
以上の目的達成のため、本発明の攪拌装置は、
液状物質の供給口および排出口を有し、軸心線を
鉛直方向に向けて設置される円筒状の本体容器
と、この本体容器内に上記容器と同心に設けら
れ、上下端を開口させた円筒状のドラフトチユー
ブと、このドラフトチユーブの軸心位置に回転自
在に設けられた回転軸と、この回転軸に支持され
て前記本体容器と前記ドラフトチユーブとの間に
存在する円筒状空間内に配置された螺旋帯翼と、
前記回転軸の外面で前記ドラフトチユーブ内に位
置する部分にそれぞれ異なる方向へ偏心させ、か
つ前記螺旋帯翼の旋回方向とは逆方向の螺旋配置
となるように固定された複数枚の厚肉円板とを具
備したことを特徴としている。
In order to achieve the above objectives, the stirring device of the present invention has the following features:
A cylindrical main body container having a supply port and a discharge port for a liquid substance and installed with its axis facing the vertical direction, and a cylindrical main body container provided within the main body container concentrically with the above container and having upper and lower ends open. A cylindrical draft tube, a rotating shaft rotatably provided at the axial center position of the draft tube, and a cylindrical space supported by the rotating shaft and existing between the main body container and the draft tube. arranged spiral band wings,
a plurality of thick-walled circles fixed to a portion of the outer surface of the rotating shaft located within the draft tube, each eccentrically arranged in a different direction, and arranged in a helical arrangement in a direction opposite to the rotating direction of the spiral band blade; It is characterized by having a board.
以上の構成では、ドラフトチユーブ内に設けら
れた複数枚の厚肉円板により螺旋帯翼の循環機能
が強化され、の機能は十分に満足できるものと
なる。
In the above configuration, the circulation function of the spiral band blade is strengthened by the plurality of thick disks provided in the draft tube, and the function becomes fully satisfactory.
また、上記複数枚の厚肉円板により、ドラフト
チユーブ内を通過する液の剪断速度が高められ、
これによつての機能が高められる。 In addition, the plurality of thick disks increase the shearing rate of the liquid passing through the draft tube,
This enhances the functionality.
さらに、ドラフトチユーブ内の液は複数枚の厚
肉円板の回転により強い剪断を受けながら鉛直方
向へ流れていくので、ドラフトチユーブ内の液は
効率よく混合されることになり、の機能も十分
に満足できるものとなる。また、本体容器とドラ
フトチユーブとの間に存在する円筒状空間内に配
置された螺旋帯翼と、回転軸の外面でドラフトチ
ユーブ内に位置する部分にそれぞれ異なる方向へ
偏心させ、かつ螺旋帯翼の旋回方向とは逆方向の
螺旋配置となるように固定された複数枚の厚肉円
板とを１つの回転軸で同時に駆動するようにして
いるので、全体の構成を単純化した状態で上述し
た機能を発揮させることができる。 Furthermore, the liquid in the draft tube flows vertically while being subjected to strong shear due to the rotation of multiple thick-walled discs, so the liquid in the draft tube is mixed efficiently, and the function of the draft tube is sufficient. be satisfied with. In addition, a spiral band blade disposed in a cylindrical space existing between the main body container and the draft tube, and a portion located inside the draft tube on the outer surface of the rotating shaft are eccentrically centered in different directions, and the spiral band blade is A single rotary shaft simultaneously drives a plurality of thick disks that are fixed in a spiral arrangement in the opposite direction to the rotating direction of the disk, so the overall configuration is simplified as described above. It is possible to demonstrate the functions that have been created.
図は本発明の一実施例を示すもので、第１図は
攪拌装置の縦断面図、第２図は第１図の−断
面図である。
The drawings show an embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional view of a stirring device, and FIG. 2 is a cross-sectional view taken from FIG. 1.
本体容器１は円筒形をなし、その軸心線を鉛直
方向に向けて設置されている。この本体容器１は
底部に液状物質の供給口２を有し、蓋部４に液状
物質の排出口５を有している。上記本体容器１の
内部には、この容器１と同心に、円筒状のドラフ
トチユーブ６が収容されている。なお、このドラ
フトチユーブ６は上下端を開口させているもので
（上端開口７、下端開口８）、その下端は複数本の
脚９を介して本体容器１の内底部に固定されてい
る。また、上記ドラフトチユーブ６の内部には、
その軸心位置に回転軸１０が設けられ、この回転
軸１０は前記蓋部４の中心部に回転自在に支持さ
れている。上記回転軸１０には、ドラフトチユー
ブ６のわずか上方位置に、アーム１１が水平方向
に向けてその中心部を固定されている。このアー
ム１１の両端には、上記本体容器１と上記ドラフ
トチユーブ６との間の円筒空間１２内に位置する
２本の支持棒１３の各上端が固定されており、こ
れら両支持棒１３には上記円筒空間１２内に位置
する２条の螺旋帯翼１４が支持されている。 The main container 1 has a cylindrical shape and is installed with its axis oriented in the vertical direction. The main container 1 has a liquid substance supply port 2 at the bottom and a liquid substance discharge port 5 at the lid 4. A cylindrical draft tube 6 is housed inside the main body container 1, concentrically with the container 1. The draft tube 6 has upper and lower ends opened (upper end opening 7, lower end opening 8), and the lower end is fixed to the inner bottom of the main container 1 via a plurality of legs 9. Moreover, inside the draft tube 6,
A rotating shaft 10 is provided at the axial center position, and this rotating shaft 10 is rotatably supported at the center of the lid portion 4. An arm 11 is fixed to the rotating shaft 10 at a position slightly above the draft tube 6 with its central portion oriented in the horizontal direction. The upper ends of two support rods 13 located in the cylindrical space 12 between the main body container 1 and the draft tube 6 are fixed to both ends of the arm 11. Two spiral band blades 14 located within the cylindrical space 12 are supported.
一方、前記回転軸１０には、ドラフトチユーブ
６内の位置において複数枚の厚肉円板１５が固定
されている。これら複数枚の円板１５は、いずれ
も偏心位置を上記回転軸１０に固定され、その偏
心方向を順次周方向へずらして上記螺旋帯翼１４
とは逆の螺旋状配置となるようにしている。ま
た、上記各厚肉円板１５は周方向のピツチが調整
可能となつている。 On the other hand, a plurality of thick disks 15 are fixed to the rotating shaft 10 at positions within the draft tube 6. These plurality of discs 15 are all fixed at eccentric positions to the rotating shaft 10, and the eccentric directions are sequentially shifted in the circumferential direction to form the spiral band blades 15.
The spiral arrangement is the opposite of that of the previous one. Furthermore, the circumferential pitch of each of the thick disks 15 is adjustable.
次に作用を説明する。 Next, the action will be explained.
まず、処理すべき高粘度の液を供給口２より本
体容器１内に流入させて回転軸１０を回転させる
と、回転軸１０と一体に螺旋帯翼１４および複数
枚の厚肉円板１５が回転する。そこで、上記ドラ
フトチユーブ６内の液は複数枚の厚肉円板１５の
回転により剪断されながら上方向へ移動してい
き、上端開口７より円筒空間１２へ流出する。 First, when a high viscosity liquid to be treated flows into the main body container 1 from the supply port 2 and the rotating shaft 10 is rotated, a spiral band blade 14 and a plurality of thick disks 15 are formed integrally with the rotating shaft 10. Rotate. Therefore, the liquid in the draft tube 6 moves upward while being sheared by the rotation of the plurality of thick disks 15, and flows out into the cylindrical space 12 through the upper end opening 7.
一方、上記円筒空間１２内の液は、螺旋帯翼１
４の回転により下方へ押し下げられていき、ドラ
フトチユーブ６内にその下端開口８を通して戻さ
れる。 On the other hand, the liquid in the cylindrical space 12 is
4 is pushed downward and returned into the draft tube 6 through its lower end opening 8.
以上の構成では、本体容器１内の液は螺旋帯翼
１４と複数枚の厚肉円板１５とで強力に循環され
ることになり、前記の循環機能は十分に満足で
きる。 In the above configuration, the liquid in the main body container 1 is strongly circulated by the spiral band blades 14 and the plurality of thick disks 15, and the above-mentioned circulation function can be fully satisfied.
また、上記複数枚の厚肉円板１５により、ドラ
フトチユーブ６内を通過する液の剪断速度が高め
られ、これによつて前記の剪断速度分布の均一
化機能が高められる。 Furthermore, the plurality of thick disks 15 increase the shear rate of the liquid passing through the draft tube 6, thereby enhancing the uniformity of the shear rate distribution.
さらに、ドラフトチユーブ６内の液は複数枚の
厚肉円板１５の回転により強い剪断を受けながら
鉛直上方向へ流れていくので、ドラフトチユーブ
６内の液は効率よく攪拌されることになり、の
液置換機能も十分に満足できるものとなる。 Furthermore, since the liquid in the draft tube 6 flows vertically upward while being subjected to strong shear due to the rotation of the plurality of thick disks 15, the liquid in the draft tube 6 is efficiently agitated. The liquid replacement function is also fully satisfactory.
次に、従来の螺旋帯翼型攪拌装置〔実験例１〕
と、上記実施例にもとづき作成した攪拌装置〔実
験例２〕とを比較したところ次の結果が得られ
た。 Next, a conventional spiral band blade type stirring device [Experiment Example 1]
The following results were obtained by comparing the stirring device and the stirring device [Experimental Example 2] prepared based on the above example.
〔実験例 １〕
本体容器を内径300mm、高さ550mmの透明アクリ
ル製とし、螺旋帯翼を翼径294mm、翼幅30mm、螺
旋ピツチ300mm、高さ450mmとする。液は100ポイ
ズの粘度を有するI2を溶解させたものとし、螺旋
帯翼を60rpmで回転させてI2に対し1.5倍のNa2S2
O3（ハイポ）を供給した。このとき時間の経過と
ともにI2が脱色が進行し、ハイポ供給後30分で完
全に脱色した。[Experiment Example 1] The main container is made of transparent acrylic with an inner diameter of 300 mm and a height of 550 mm, and the spiral band blades have a blade diameter of 294 mm, a blade width of 30 mm, a helical pitch of 300 mm, and a height of 450 mm. The liquid is one in which I 2 with a viscosity of 100 poise is dissolved, and a spiral band blade is rotated at 60 rpm to dissolve 1.5 times as much Na 2 S 2 as I 2 .
O 3 (hypo) was supplied. At this time, the decolorization of I 2 progressed with the passage of time, and the color was completely decolorized 30 minutes after hypo supply.
〔実験例 ２〕
実験例１の装置に、外径200mm、内径180mm、高
さ450mmのドラフトチユーブ６を付加するととも
に、肉厚30mm、直径140mmの複数の厚肉円板１５
を周方向ピツチ60°で付加して上記実施例にもと
づく装置を作成し、液、回転数およびハイポ供給
等の条件は実験例１と同一にして脱色時間を計測
したところ、16分で完全に脱色した。[Experiment Example 2] A draft tube 6 with an outer diameter of 200 mm, an inner diameter of 180 mm, and a height of 450 mm was added to the apparatus of Experiment Example 1, and a plurality of thick disks 15 with a wall thickness of 30 mm and a diameter of 140 mm were added.
was added at a circumferential pitch of 60° to create a device based on the above example, and the conditions such as liquid, rotation speed, hypo supply, etc. were the same as in Experimental Example 1, and the decolorization time was measured. Bleached.
図面は本発明の一実施例を示すもので、第１図
は攪拌装置の縦断面図、第２図は第１図の−
断面図である。
１……本体容器、２……液体物質の供給口、５
……排出口、６……ドラフトチユーブ、７……上
端開口、８……下端開口、１０……回転軸、１４
……螺旋帯翼、１５……厚肉円筒。
The drawings show one embodiment of the present invention; FIG. 1 is a longitudinal cross-sectional view of a stirring device, and FIG.
FIG. 1...Main container, 2...Liquid substance supply port, 5
...Discharge port, 6... Draft tube, 7... Upper end opening, 8... Lower end opening, 10... Rotating shaft, 14
...Spiral band wing, 15...Thick-walled cylinder.
Claims (1)
線を鉛直方向に向けて設置される円筒状の本体容
器と、この本体容器内に上記容器と同心に設けら
れ、上下端を開口させた円筒状のドラフトチユー
ブと、このドラフトチユーブの軸心位置に回転自
在に設けられた回転軸と、この回転軸に支持され
て前記本体容器と前記ドラフトチユーブとの間に
存在する円筒状空間内に配置された螺旋帯翼と、
前記回転軸の外面で前記ドラフトチユーブ内に位
置する部分にそれぞれ異なる方向へ偏心させ、か
つ前記螺旋帯翼の旋回方向とは逆方向の螺旋配置
となるように固定された複数枚の厚肉円板とを具
備してなることを特徴とする攪拌装置。1. A cylindrical main container having a supply port and a discharge port for a liquid substance and installed with its axis facing vertically, and a cylindrical main container provided within the main container concentrically with the container, with the upper and lower ends open. a cylindrical draft tube, a rotating shaft rotatably provided at the axial center position of the draft tube, and a cylindrical space supported by the rotating shaft and existing between the main container and the draft tube. a spiral band wing placed in the
a plurality of thick-walled circles fixed to a portion of the outer surface of the rotating shaft located within the draft tube, each eccentrically arranged in a different direction, and arranged in a helical arrangement in a direction opposite to the rotating direction of the spiral band blade; A stirring device characterized by comprising: a plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59238155A JPS61118121A (en) | 1984-11-12 | 1984-11-12 | Stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59238155A JPS61118121A (en) | 1984-11-12 | 1984-11-12 | Stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61118121A JPS61118121A (en) | 1986-06-05 |
| JPH0445211B2 true JPH0445211B2 (en) | 1992-07-24 |
Family
ID=17026008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59238155A Granted JPS61118121A (en) | 1984-11-12 | 1984-11-12 | Stirrer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61118121A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63133326U (en) * | 1987-02-20 | 1988-08-31 | ||
| KR100297764B1 (en) * | 1998-04-27 | 2001-08-07 | 윤종용 | Optical pickup device capable of recording/reproducing with high density |
| JP2001236682A (en) | 2000-02-21 | 2001-08-31 | Sony Corp | Optical disk device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745332A (en) * | 1980-08-29 | 1982-03-15 | Lion Corp | Agitator |
-
1984
- 1984-11-12 JP JP59238155A patent/JPS61118121A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745332A (en) * | 1980-08-29 | 1982-03-15 | Lion Corp | Agitator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61118121A (en) | 1986-06-05 |
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