JPH0258503A - Apparatus for bulk polymerization and method for control thereof - Google Patents
Apparatus for bulk polymerization and method for control thereofInfo
- Publication number
- JPH0258503A JPH0258503A JP63208380A JP20838088A JPH0258503A JP H0258503 A JPH0258503 A JP H0258503A JP 63208380 A JP63208380 A JP 63208380A JP 20838088 A JP20838088 A JP 20838088A JP H0258503 A JPH0258503 A JP H0258503A
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- viscosity
- helical blades
- rotation
- vessel
- 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.)
- Pending
Links
- 238000012662 bulk polymerization Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 33
- 229920000642 polymer Polymers 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000013555 soy sauce Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Polymerisation Methods In General (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は熱ｉ５Ｔ塑性脂゛や合成せんいの塊状重合方法
に係り、特に、ポリエチレンテレフタレート系高分子等
の重縮合系高分子の塊状重合方法及その制御方法に関す
るものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for bulk polymerization of thermal i5T plastic resins and synthetic fibers, and particularly to a method for bulk polymerization of polycondensation polymers such as polyethylene terephthalate polymers. and its control method.
従来の塊状重合装置は、特開昭５５−７０３３重合液が
数千ポアズ以上の高粘度となった場金に起る、翼や回転
軸への液の付着による共まわりが発生していた。また粘
着性のある粉粒体の攪拌装置として実開昭５２−２５３
８１号に記載のものは、二つの馬蹄形攪拌翼を互いにか
み合うように回転させ攪拌するものであった。この’Ｊ
ｔＨにおいても公報第５図に示すように、攪拌翼の内側
に大きな空間があるため高粘度液が滞留し易く、また攪
拌翼の回転数の調節や変更ができないものであった。In conventional bulk polymerization apparatuses, co-rotation occurs due to adhesion of the liquid to the blades and rotating shaft, which occurs when the JP-A-55-7033 polymerization solution has a high viscosity of several thousand poise or more. It was also used as a stirring device for sticky powder and granular materials in 1983-253.
The device described in No. 81 stirs by rotating two horseshoe-shaped stirring blades so as to mesh with each other. This 'J
In tH, as shown in Figure 5 of the publication, there is a large space inside the stirring blade, so high viscosity liquid tends to stay there, and the rotational speed of the stirring blade cannot be adjusted or changed.
上記従来技術は数千ポアズ以上の高粘度の重合液を攪拌
した場合の翼、軸への液の付着や、其内空間部への滞留
および、攪拌翼の回転数の調節。The above-mentioned conventional technology prevents the liquid from adhering to the blades and shafts when stirring a highly viscous polymer liquid of several thousand poise or more, stagnation in the internal space, and adjusting the rotational speed of the stirring blades.
変更に対して配慮がされておらず、重合液の品質劣化等
の課題があフた。No consideration was given to changes, and problems such as deterioration of the quality of the polymerization solution arose.
本発明の目的は、ｌ！千デポアズ以上高粘度の重合液の
翼や回転軸への付着および滞留を防止し、比４１シｐ：
１イ（−
重合液の粘度等の≠ 応じた最適な回転数で攪拌翼を
回転させ、Ｍ合液の品質を向上させる塊状重合装置及そ
の制御方法を提供することにある。The purpose of the present invention is to provide l! Prevents polymerization liquid with a high viscosity of 1,000 depoise or more from adhering to and stagnation on blades and rotating shafts, with a ratio of 41 ships:
(1) To provide a bulk polymerization apparatus and a method for controlling the same, which improves the quality of the M mixture by rotating a stirring blade at an optimal rotation speed according to the viscosity of the polymerization liquid, etc.
ん翼が互いにその先端が相手側の回転領域内に入り込み
、かつ、容器の内壁部をかき取るように回翼の回転数を
変えることにより、達成される。This is achieved by changing the rotational speed of the rotating blades so that the tips of the rotating blades enter into the rotation area of the other and scrape the inner wall of the container.
〔作 用〕
内側に攪拌部材を持つらせん其が互いにかみ合うように
回転し、この回転数が、重合液の粘度等貼・１曳→叱
の性状に応じて変えられることにより１反応の進行と共
に変化する低粘度から高粘度までの重合液を容器内に滞
留部を作ることな（、最適の攪拌条件で攪拌し塊状重合
を行うことができる。[Function] Spirals with a stirring member inside rotate so as to mesh with each other, and the number of rotations is changed according to the viscosity of the polymerization solution and the properties of the polymerization solution, so that the speed increases as one reaction progresses. Bulk polymerization can be performed by stirring polymerization liquids with varying viscosity from low to high viscosity under optimal stirring conditions without creating a stagnation part in the container.
以下、本発明の一実施例を第１． ２図により説明する
。Hereinafter, one embodiment of the present invention will be described in Section 1. This will be explained using Figure 2.
図において、１は塊状重合装置の容器本体で、外周を加
熱又は冷却用のジャケット２で覆われている。３ａ、３
ｂはそれぞれ本体工の上部に設けられた回転軸で上部の
等速ギア４ａ、４ｂとらせん翼５ａ、５ｂとを連結して
いる。一方の回転軸３ａはさらに、トルク計６を介して
１回転数可変モータ７に連結される。次に８は回転数可
変モータ７の回転数制御装置で１本実施例ではトルク計
６からの信号に応じて１回転数可変モータ７の回転数を
調節する。また、９は回転軸３ａ、３ｂを支える軸受で
ある。In the figure, 1 is a container body of a bulk polymerization apparatus, the outer periphery of which is covered with a jacket 2 for heating or cooling. 3a, 3
b is a rotating shaft provided at the upper part of the main body, and connects the upper constant velocity gears 4a, 4b and the helical blades 5a, 5b. One rotating shaft 3 a is further connected to a one-rotation variable motor 7 via a torque meter 6 . Next, reference numeral 8 denotes a rotation speed control device for the variable rotation speed motor 7, which in this embodiment adjusts the rotation speed of the variable rotation speed motor 7 in accordance with a signal from the torque meter 6. Moreover, 9 is a bearing that supports the rotating shafts 3a and 3b.
一方、容器本体ｌ内部の、らせんｇ５ａ、５ｂのそれぞ
れの内側には攪拌部材１０ａ、１０ｂが取りつけられて
おり、本実施例ではこの攪拌部材１０ａ。On the other hand, stirring members 10a and 10b are attached to the inside of each of the spirals g5a and 5b inside the container body l, and in this embodiment, the stirring member 10a.
１０ｂにらせん形状の部材が用いられている。らせん翼
５ａと５ｂとは互いにねじり方向が！４１】、その先端
が容器本体１の内壁近傍を通過しかつ相手側のらせん翼
の回転領域内に入り込みながら回転する間隔に保持され
ている。A spiral-shaped member is used for 10b. The helical wings 5a and 5b are twisted in the same direction! 41], and is held at such an interval that its tip rotates while passing near the inner wall of the container body 1 and entering the rotating region of the opposing helical blade.
さらに容器本体１の下端には重合液の排出口１１があり
、容器本体１の上部には、原料の投入０校および、重合
により副生する揮発物の排出口１３が設けられている。Further, the lower end of the container body 1 is provided with an outlet 11 for discharging the polymerization liquid, and the upper portion of the container body 1 is provided with an input port for raw materials and an outlet 13 for discharging volatile substances produced by polymerization.
また第１図において、１４および１５はそれぞれジャケ
ット２内に流す加熱又は冷却用の媒体の入口ノズルと出
口ノズルである。Further, in FIG. 1, 14 and 15 are an inlet nozzle and an outlet nozzle for a heating or cooling medium flowing into the jacket 2, respectively.
以上のような構成の＊＊＊において、例えば、ポリエチ
レンテレフタレート系高分子の重Ｎ合を行う場合には、
原料となるエチレングリコール、テレフタル酸、触媒等
を原料の投入０迂よりＳ器本体ｌ内に投入し５らせんｇ
５ａ、５ｂを回転させ。For example, when carrying out polymerization of polyethylene terephthalate polymer in *** of the above configuration,
Inject the raw materials such as ethylene glycol, terephthalic acid, catalyst, etc. into the S vessel main body l from the raw material input point 0 and turn it into a 5 helix g.
Rotate 5a and 5b.
シャケブト２に高温の熱媒体を流通させて昇温し！縮合
反応を行わせ、副生する水、エチレングリコール等は揮
発物排出口Ｉ３より系外へ排出する。A high temperature heat medium is passed through Shakebuto 2 to raise the temperature! The condensation reaction is carried out, and by-products such as water and ethylene glycol are discharged from the system through the volatile discharge port I3.
このとき容器本体ｌ内の重合液はＩｉ＠開始時には液体
と粉状固体との混合液であるため、回転数制御袋１ｓに
より粉粒固体の浮遊限界速度以上の回転数に制御する。At this time, since the polymerization liquid in the container body 1 is a mixture of liquid and powdery solid at the start of Ii@, the rotational speed is controlled by the rotational speed control bag 1s to a speed higher than the floating limit speed of the granular solid.
この後、重縮合反応が進み、重合液の粘度がｔＫ第に上
昇すると、この粘度上昇と共に大きくなるトルクをトル
ク計６で検知して、回転数制御袋！１８により、このト
ルク上昇に応じて回転数９反モータ７の回転数を減小さ
せる。これにより、ｊｔ合液が固体と流体との混合液で
の状態および低粘度液から高粘度液へと粘度変化する状
態でおのおの最適ならせん翼ｓａ、ｓｂの回転数で重合
液を攪拌することができる。すなわち。After this, when the polycondensation reaction progresses and the viscosity of the polymerization liquid increases to the tKth degree, the torque meter 6 detects the torque that increases as the viscosity increases, and the rotation speed is controlled! 18, the rotation speed of the motor 7 is decreased in response to this torque increase. As a result, the polymerization liquid can be stirred at the optimal rotational speed of the helical blades sa and sb when the jt mixture is a mixture of solid and fluid and when the viscosity changes from a low viscosity liquid to a high viscosity liquid. Can be done. Namely.
固液状態では、固体粒子を沈降させることなく、また液
状では、低粘度時で重合反応熱の大きい時には高速回転
として重合液からシャケブトへの伝熱係数を高めること
ができ、さらに高粘度時には。In the solid-liquid state, solid particles do not settle, and in the liquid state, when the viscosity is low and the heat of polymerization reaction is large, the heat transfer coefficient from the polymerization liquid to the liquid can be increased by high-speed rotation, and when the viscosity is high, the heat transfer coefficient can be increased.
低速回転としてらせんＪＫ５ａ、５ｂによる重合液の持
ち上げ量の増加による容器本体ｌ内の上部への液の付着
およびらぜんｇ５ａ、５ｂへのオーバーロードを防止で
きる。By rotating at a low speed, it is possible to prevent the liquid from adhering to the upper part of the container body l and overloading the spirals g5a and 5b due to an increase in the amount of polymerization liquid lifted by the spirals JK5a and 5b.
このようにして高粘度となった重合液は排出口１１よＩ
Ｉ量系外製器として取り出される。The polymerization liquid which has become highly viscous in this way is discharged from the discharge port 11.
It is taken out as an externally manufactured device.
また、このように低粘度から高粘度に大きく物性の変わ
る重合液を第１図に示すような内側に攪拌部材を持つ二
つのらせんｇ５ａ、５ｂのかみ合よる共まわりや、攪拌
翼の内側空間部への滞留が防止できる。In addition, the polymerization liquid whose physical properties change greatly from low viscosity to high viscosity in this way can be rotated by interlocking two helices g5a and 5b with stirring members inside as shown in Figure 1, or by the inner space of the stirring blade. Retention in the area can be prevented.
本発明の他の実施例によれば、第３図に示すように１回
転数可変モータ７へ動力計１６を堆り付け。According to another embodiment of the present invention, a dynamometer 16 is attached to the variable revolution motor 7 as shown in FIG.
動力計１６からの信号を回転数制御装置８ａに人力して
、攪拌動力が所定値となるように、らせん翼５ａ、５ｂ
の回転数を制御するものがある。これにより、重合液の
粘度が低い場合には、トルクが小さいので高速回転とな
１１、逆に粘度が高い場合にはトルクが大きいので低速
回転となるように制御され、７ＪＳ１図に示すようなト
ルク計６を用いずに簡単な動力計１６で最適な回転数に
制御できる。A signal from the dynamometer 16 is manually input to the rotation speed control device 8a, and the helical blades 5a, 5b are controlled so that the stirring power becomes a predetermined value.
There is something that controls the rotation speed. As a result, when the viscosity of the polymerization liquid is low, the torque is small and the rotation is performed at a high speed11, whereas when the viscosity is high, the torque is large and the rotation is performed at a low speed. The rotation speed can be controlled to the optimum speed using a simple dynamometer 16 without using a torque meter 6.
さらに、他の実施例によれば、らせん翼５ａ。Furthermore, according to another embodiment, a helical wing 5a.
５ｂの回転方向を、ｒｉ台中には、容器本体１の内壁に
対してかき上げ方向とし、重合終了後の重合液排出時醤
こは回転方向をかき下げ方向としたものがある。これに
より、重合中には容器本体ｌの壁面より重合液を上昇さ
せ、中央部から下降させるスムーズな循環流が得られ５
重合液の排出時には、重合液を下方に押し込むことがで
き１重合液のＦＪｔ出吋聞が短縮できる。In some RI machines, the direction of rotation of the soybean paste 5b is set to be the direction of raising the inner wall of the container body 1, and the direction of rotation of the soy sauce is set to be the direction of pushing down when discharging the polymerized liquid after completion of polymerization. As a result, during polymerization, a smooth circulation flow is obtained in which the polymerization liquid rises from the wall surface of the container body l and descends from the center.
When discharging the polymerization liquid, the polymerization liquid can be pushed downward, and the FJt discharge time for one polymerization liquid can be shortened.
さらに、他の実施例によれば、重合末期で、液相から固
相に相変化する重合物に対して、固相変化開始と共に、
らせん舅の回転数を増加させ、固相化した重合物の粉砕
を促進させるものがある。Furthermore, according to another embodiment, for a polymer that undergoes a phase change from a liquid phase to a solid phase at the end of polymerization, at the beginning of the solid phase change,
There is one that increases the rotational speed of the spiral shaft to promote the crushing of the solidified polymer.
この場合の固相への変化の開始時点の検知は、トルク＃
′ｉ６又は動力計１６の出力値の急激な変動又は上昇の
検出により行うことができる。In this case, the detection of the start point of the change to the solid phase is determined by the torque #
This can be done by detecting a sudden change or increase in the output value of 'i6 or the dynamometer 16.
さらに他の実施例においては１重合液を所定時間毎にサ
ンプリングして、液の粘度を測定してらせん翼５ａ、５
ｂの回転数を制御する方法力ＳあＩ）、この場合にはト
ルク計６が不要となる等の効果力５ある。In still another embodiment, one polymerization liquid is sampled at predetermined time intervals, the viscosity of the liquid is measured, and the helical blades 5a, 5
The method of controlling the rotational speed of motor b) has five advantages, such as eliminating the need for a torque meter 6 in this case.
本発明によれば、数千ポアズ以上の高粘度の這、ｂ
な回転数で攪攪できるので１品實の良い重合液を能率良
く製造できる効果がある。According to the present invention, since it is possible to stir at a high rotational speed with a high viscosity of several thousand poise or more, it is possible to efficiently produce a polymer solution of high quality.
【図面の簡単な説明】
第１図は本発明の一実施例の塊状重合装置の部分＃ｆｒ
面正面図面図２図は第１図のｌ−■線断面図。
第３図は本発明の他の実施例の制御回路図である。
ｌ・・・・・・容器本体、３ａ、３ｂ・・・・・・回転
軸、５ａ。
５ｂ・・・・・・らせん翼、６・・・・・・ トルク計
、７・・・・・・回転数９父モータ、８・・・・・・回
転数制御装置、１０ａ、１０ｂ・・・・・・攪拌部材
代理人 弁理士 小 川 勝 男[Brief Description of the Drawings] Figure 1 shows a portion #fr of a bulk polymerization apparatus according to an embodiment of the present invention.
Front view Figure 2 is a sectional view taken along the line l--■ in Figure 1. FIG. 3 is a control circuit diagram of another embodiment of the present invention. l... Container body, 3a, 3b... Rotating shaft, 5a. 5b... Helical blade, 6... Torque meter, 7... Rotation speed 9 Motor, 8... Rotation speed control device, 10a, 10b... ...Katsuo Ogawa, patent attorney and agent for stirring parts
Claims (1)
ねじり方向の異なるらせん翼を互いにその先端が相手側
の回転領域内に入り込みながら回転する間隔で保持し、
かつ、前記らせん翼の内側にそれぞれ攪拌部材を備え、
該らせん翼で容器の内壁部をかきとり、容器本体の下部
から製品を抜き出すように形成し、重合液の粘性の変化
に応じて前記らせん翼の回転を制御するように構成した
ことを特徴とする塊状重合装置。 ２、容器本体の上部に設けた２本の回転軸に、それぞれ
ねじり方向の異なるらせん翼を互いにその先端が相手側
の回転領域内に入り込みながら回転する間隔で保持し、
かつ、前記らせん翼の内側にそれぞれ撹拌部材を備えた
らせん翼で重合液を撹拌し、重合液の粘性の変化に応じ
て前記らせん翼の回転を制御し、容器本体の下部から製
品を抜き出すように制御することを特徴とする塊状重合
装置の制御方法。[Scope of Claims] 1. Helical blades having different twisting directions are held on two rotating shafts provided at the upper part of the container body at an interval such that their tips rotate while entering the rotation area of the other side,
and a stirring member is provided inside each of the spiral blades,
The spiral blade is formed to scrape the inner wall of the container and extract the product from the lower part of the container body, and the rotation of the spiral blade is controlled according to changes in the viscosity of the polymerization liquid. Bulk polymerization equipment. 2. Helical blades having different twisting directions are held on two rotating shafts provided at the top of the container body at an interval such that their tips rotate while entering the rotation area of the other side,
Further, the polymerization liquid is stirred by a helical impeller having a stirring member inside each of the helical impellers, and the rotation of the helical impeller is controlled according to changes in the viscosity of the polymerization liquid, and the product is extracted from the lower part of the container body. 1. A method for controlling a bulk polymerization apparatus, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208380A JPH0258503A (en) | 1988-08-24 | 1988-08-24 | Apparatus for bulk polymerization and method for control thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208380A JPH0258503A (en) | 1988-08-24 | 1988-08-24 | Apparatus for bulk polymerization and method for control thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258503A true JPH0258503A (en) | 1990-02-27 |
Family
ID=16555316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63208380A Pending JPH0258503A (en) | 1988-08-24 | 1988-08-24 | Apparatus for bulk polymerization and method for control thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258503A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032186A1 (en) * | 1995-04-12 | 1996-10-17 | Andritz-Patentverwaltungsgesellschaft Mbh | Device for mixing chemicals into a fibrous material suspension |
| EP1116866A2 (en) | 2000-01-13 | 2001-07-18 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust pipe joint assembly |
| KR20020035804A (en) * | 2002-04-16 | 2002-05-15 | 최은오 | Mix wing structure for ice-cream freezer |
| EP1483044A1 (en) * | 2002-03-14 | 2004-12-08 | Stryker Instruments | Mixing assembly for mixing bone cement |
| WO2010106009A1 (en) * | 2009-03-16 | 2010-09-23 | Vit Environmentsystems Ag | Device for thermal treatment, in particular thermal decomposition of waste oil mixtures |
| JP2011092892A (en) * | 2009-10-30 | 2011-05-12 | Trinity Lab:Kk | Method for detecting operation condition of stirring blade |
| JP2011214734A (en) * | 2010-03-31 | 2011-10-27 | Maeda Road Constr Co Ltd | Fuel treatment device and method for waste glycerin |
| CN108905703A (en) * | 2018-04-26 | 2018-11-30 | 汪继德 | A kind of mixing equipment with function of weighing |
-
1988
- 1988-08-24 JP JP63208380A patent/JPH0258503A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032186A1 (en) * | 1995-04-12 | 1996-10-17 | Andritz-Patentverwaltungsgesellschaft Mbh | Device for mixing chemicals into a fibrous material suspension |
| US6419280B2 (en) | 2000-01-13 | 2002-07-16 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust pipe joint assembly |
| EP1116866A2 (en) | 2000-01-13 | 2001-07-18 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust pipe joint assembly |
| US7645066B2 (en) | 2002-03-14 | 2010-01-12 | Stryker Corporation | Method of mixing bone cement with two mixing paddles |
| EP1483044A1 (en) * | 2002-03-14 | 2004-12-08 | Stryker Instruments | Mixing assembly for mixing bone cement |
| EP1483044A4 (en) * | 2002-03-14 | 2007-01-03 | Stryker Instr | Mixing assembly for mixing bone cement |
| US7967499B2 (en) | 2002-03-14 | 2011-06-28 | Stryker Corporation | Bone cement mixer with two paddles, the paddles arranged to limit longitudinal movement |
| KR20020035804A (en) * | 2002-04-16 | 2002-05-15 | 최은오 | Mix wing structure for ice-cream freezer |
| WO2010106009A1 (en) * | 2009-03-16 | 2010-09-23 | Vit Environmentsystems Ag | Device for thermal treatment, in particular thermal decomposition of waste oil mixtures |
| JP2011092892A (en) * | 2009-10-30 | 2011-05-12 | Trinity Lab:Kk | Method for detecting operation condition of stirring blade |
| JP2011214734A (en) * | 2010-03-31 | 2011-10-27 | Maeda Road Constr Co Ltd | Fuel treatment device and method for waste glycerin |
| CN108905703A (en) * | 2018-04-26 | 2018-11-30 | 汪继德 | A kind of mixing equipment with function of weighing |
| CN108905703B (en) * | 2018-04-26 | 2020-12-18 | 聊城市飓风工业设计有限公司 | Compounding equipment with function of weighing |
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