JPH0892378A - Device for continuously stirring highly viscous liquid and method for continuous bulk polymerization - Google Patents
Device for continuously stirring highly viscous liquid and method for continuous bulk polymerizationInfo
- Publication number
- JPH0892378A JPH0892378A JP6224785A JP22478594A JPH0892378A JP H0892378 A JPH0892378 A JP H0892378A JP 6224785 A JP6224785 A JP 6224785A JP 22478594 A JP22478594 A JP 22478594A JP H0892378 A JPH0892378 A JP H0892378A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- stirring member
- stirring
- continuous
- container
- 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
Landscapes
- Polyesters Or Polycarbonates (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高粘性物質の撹拌方法
および装置に関し、特にポリエチレンテレフタレ−ト、
ポリカーボネート等の重縮合系高分子の重合に好適な装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stirring method and apparatus for highly viscous substances, and more particularly to polyethylene terephthalate,
The present invention relates to an apparatus suitable for polymerizing a polycondensation polymer such as polycarbonate.
【０００２】[0002]
【従来の技術】従来、高粘性物質に別の物質を添加し混
合して反応させる連続処理装置として、特開昭６３−２
６８７３４号公報に示されるように、二軸混練機で一部
の高粘性物質に別の物質を添加し混合した後、別の横型
二軸円板状撹拌機で反応させるものがあった。2. Description of the Related Art Conventionally, as a continuous processing apparatus in which another substance is added to a highly viscous substance and mixed and reacted, JP-A-63-2
As disclosed in Japanese Patent No. 68734, there is a twin-screw kneading machine in which another substance is added to a part of the highly viscous substance and mixed, and then the mixture is reacted in another horizontal twin-screw disc stirrer.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来技術は別の物質の添加混合に二軸混練機が必要であり
さらに混練機から横型二軸円板状撹拌機までの配管及び
移送装置が必要であった。However, the above-mentioned prior art requires a twin-screw kneader to add and mix another substance, and further requires a pipe and a transfer device from the kneader to the horizontal twin-screw disk stirrer. Met.
【０００４】本発明の目的は、上記従来技術を改善し、
一つの装置で高粘性物質に別の物質を添加し混合して反
応させる連続処理装置及び方法を提供することにある。The object of the present invention is to improve the above-mentioned prior art,
It is an object of the present invention to provide a continuous processing apparatus and method in which another substance is added to a highly viscous substance in one device, mixed and reacted.
【０００５】[0005]
【課題を解決するための手段】上記目的は、容器内部の
長手方向に設けた２本の回転軸にそれぞれ撹拌部材を取
り付けて、この撹拌部材を互いに相手側の撹拌部材の内
側に近接して回転させ、回転軸及び撹拌部材の一部を中
空とし、被処理液入口側の撹拌部材に吐出孔を設け、回
転軸の容器外側にロータリージョイントを取り付けて、
添加液を撹拌部材表面から供給することにより達成され
る。The above object is to attach a stirring member to each of two rotary shafts provided in the longitudinal direction inside the container, and to bring the stirring members close to each other inside the other stirring member. By rotating, the rotating shaft and a part of the stirring member are made hollow, a discharge hole is provided in the stirring member on the inlet side of the liquid to be treated, and a rotary joint is attached to the outside of the container of the rotating shaft.
This is achieved by supplying the additive liquid from the surface of the stirring member.
【０００６】[0006]
【作用】高粘度の被処理液は容器内部の入口側で撹拌部
材表面の吐出孔から注入された微量添加液と効率良く混
合した後、引き続いて容器内部で撹拌作用を受け反応が
進む。The highly viscous liquid to be treated is efficiently mixed with the trace amount additive liquid injected from the discharge hole on the surface of the stirring member on the inlet side inside the container, and subsequently, the reaction proceeds by the stirring action inside the container.
【０００７】[0007]
【実施例】図１、図２、図３及び図４に本発明の一実施
例を示す。図１において、１は横長円筒状の本体容器で
外周を熱媒ジャケット（図示せず）で覆われており、内
部長手方向の両端にそれぞれ２本の回転軸２ａ、ｂ、ｃ
が取り付けられている。これらの回転軸２の間には、そ
れぞれ複数個の棒状矩形枠を９０度の位相角で連結した
形状の撹拌部材３がそれぞれの矩形枠の先端部が互いに
相手側の撹拌部材３の回転中心に近接して回転するよう
に取り付けられている。そして横長円筒状の本体容器１
の断面は図３に示すように、撹拌部材３の上部に空間を
持ち、断面下部はＷ字形に成形されて撹拌部材３が本体
容器１下半分の内壁をかきとれる構造である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention is shown in FIGS. 1, 2, 3 and 4. In FIG. 1, reference numeral 1 denotes a horizontally long cylindrical main body container, the outer periphery of which is covered with a heat medium jacket (not shown), and two rotary shafts 2a, 2b, 2c each provided at both ends in the inner longitudinal direction.
Is attached. Between the rotating shafts 2, a stirring member 3 having a shape in which a plurality of rod-shaped rectangular frames are connected at a phase angle of 90 degrees is provided, and the tip ends of the rectangular frames are rotation centers of the stirring members 3 on the other side. It is mounted to rotate close to. And a horizontally elongated main body container 1
As shown in FIG. 3, the cross section has a space above the stirring member 3, and the lower cross section is W-shaped so that the stirring member 3 can scrape off the inner wall of the lower half of the main body container 1.
【０００８】回転軸２の一方の端部２ａ（図１の右側）
は駆動装置４に接続し、撹拌部材３は液を内側で持ち上
げる方向に回転する。そして回転軸２の他方の端部（図
１の左側）の１つ２ｂにはロータリージョイント５が接
続され、これに添加液入口ノズル６が取り付けられてい
る。このロータリージョイント５に接続した回転軸２ｂ
及びこの回転軸２ｂにつながる棒状矩形枠３ｂは図４に
示すように内部に添加液の流路７を持ち、棒状矩形枠３
ｂの先端表面に添加液の吐出孔８が設けられている。One end 2a of the rotary shaft 2 (right side in FIG. 1)
Is connected to the driving device 4, and the stirring member 3 rotates in a direction to lift the liquid inside. A rotary joint 5 is connected to the other end 2b (the left side in FIG. 1) of the rotary shaft 2, and an additive liquid inlet nozzle 6 is attached to the rotary joint 5. Rotating shaft 2b connected to this rotary joint 5
The rod-shaped rectangular frame 3b connected to the rotating shaft 2b has a channel 7 for the additive liquid therein as shown in FIG.
A discharge hole 8 for the additive liquid is provided on the tip surface of b.
【０００９】本体容器１の一端（図２の左側）下部には
被処理液の入口ノズル９が設けられ、本体容器１の他端
下部（図２の右側）には被処理液の出口ノズル１０が、
さらに、容器１の上部には揮発物の出口ノズル１１が設
けられている。そして揮発物の出口ノズル１１は配管で
凝縮器及び真空ポンプ（図示せず）に接続される。ま
た、１２は回転軸２の軸封装置である。An inlet nozzle 9 for the liquid to be treated is provided below one end (left side in FIG. 2) of the main body container 1, and an outlet nozzle 10 for the liquid to be treated is provided below the other end (right side in FIG. 2) of the main body container 1. But,
Further, a volatile matter outlet nozzle 11 is provided at the top of the container 1. The volatile matter outlet nozzle 11 is connected by a pipe to a condenser and a vacuum pump (not shown). Reference numeral 12 is a shaft sealing device for the rotating shaft 2.
【００１０】このような装置において、低粘度の被処理
液は入口ノズル９より連続して供給され、一方、添加液
は添加液入口ノズル６より連続供給されてロータリージ
ョイント５から流路７を通って吐出孔８より本体容器１
内に注入される。この時、添加液は回転する棒状矩形枠
３ｂの表面から被処理液中に分散されながら供給され
る。そして供給された添加液は、互いにかみあうように
回転する棒状矩形枠３により効率良く混合する。そして
添加液を十分に分散させた被処理液は引き続いて棒状矩
形枠で構成した撹拌部材３により撹拌、表面更新作用が
与えられて重合反応等の処理が行われ、高粘度の液とな
る。そして高粘度となった被処理液は出口ノズル１０よ
り系外に排出される。一方反応で生じ気化した副生物等
は揮発物の出口ノズル１１より系外に排出される。In such an apparatus, the low-viscosity liquid to be treated is continuously supplied from the inlet nozzle 9, while the additive liquid is continuously supplied from the additive liquid inlet nozzle 6 to pass from the rotary joint 5 through the flow path 7. From the discharge hole 8 to the main body container 1
Injected inside. At this time, the additive liquid is supplied while being dispersed in the liquid to be treated from the surface of the rotating rod-shaped rectangular frame 3b. Then, the supplied additive liquids are efficiently mixed by the rod-shaped rectangular frame 3 that rotates so as to mesh with each other. Then, the liquid to be treated, in which the additive liquid is sufficiently dispersed, is subsequently subjected to agitation and surface renewal action by the agitating member 3 constituted by a rod-shaped rectangular frame to perform a treatment such as a polymerization reaction, thereby becoming a highly viscous liquid. The liquid to be treated having a high viscosity is discharged from the outlet nozzle 10 to the outside of the system. On the other hand, vaporized by-products generated in the reaction are discharged from the system through the volatile matter outlet nozzle 11.
【００１１】この時、添加液の量が多い場合は連続して
被処理液中に注入されるが、添加液が微量の場合には間
欠的な注入により安定した供給ができる場合がある。At this time, when the amount of the additive liquid is large, the liquid is continuously injected into the liquid to be treated, but when the amount of the additive liquid is small, the supply may be stable by intermittent injection.
【００１２】このような装置でポリエチレンテレフタレ
ートを重合する場合には被処理液の中間重合物を入口ノ
ズル９より連続供給し、触媒、無機顔料等を混入した微
量添加液を回転する棒状矩形枠表面３ｂの吐出孔８より
連続添加し、中間重合物に効率良く混合する。引き続い
て、撹拌部材３で撹拌して重合反応で生じるエチレング
リコール等の揮発物を蒸発除去し、重縮合反応が進み高
粘度の重合物となる。この間に分離したエチレングリコ
ール等の揮発物は出口ノズル１１より排出される。この
時の操作条件は例えば温度２６０〜３００℃、圧力０．
０１〜１０ｋＰａ、回転数５〜３０ｒｐｍの範囲で行わ
れる。そして重合物は出口ノズル１０より系外に排出さ
れる。この時重合物は容器１内でほぼ完全なセルフクリ
ーニング状態で撹拌されるので滞留による劣化もなく、
品質の良い製品重合物を得ることができる。In the case of polymerizing polyethylene terephthalate with such an apparatus, the intermediate polymer of the liquid to be treated is continuously supplied from the inlet nozzle 9 and the surface of the rod-shaped rectangular frame which rotates a small amount of the additive liquid mixed with a catalyst, an inorganic pigment and the like. It is continuously added from the discharge hole 8 of 3b, and is efficiently mixed with the intermediate polymer. Subsequently, the mixture is stirred by the stirring member 3 to evaporate and remove volatile substances such as ethylene glycol generated in the polymerization reaction, and the polycondensation reaction proceeds to form a highly viscous polymer. Volatile substances such as ethylene glycol separated during this period are discharged from the outlet nozzle 11. The operating conditions at this time are, for example, a temperature of 260 to 300 ° C. and a pressure of 0.
It is performed in the range of 01 to 10 kPa and the rotation speed of 5 to 30 rpm. Then, the polymer is discharged from the system through the outlet nozzle 10. At this time, since the polymer is agitated in the container 1 in a substantially complete self-cleaning state, there is no deterioration due to retention,
A product polymer of good quality can be obtained.
【００１３】このように本発明は、ポリエチレンテレフ
タレートの他にポリアミド、ポリカーボネート等の重縮
合系樹脂の連続塊状重合に適用できる。またポリスチレ
ン等の付加重合系樹脂の連続塊状重合にも適用できる。As described above, the present invention can be applied to continuous bulk polymerization of polycondensation resins such as polyamide and polycarbonate in addition to polyethylene terephthalate. It can also be applied to continuous bulk polymerization of addition polymerization resins such as polystyrene.
【００１４】本発明の推奨される実施例によれば、図
５、６及び７に示すように本体１内を２本の回転軸２を
貫通させ、それぞれの回転軸２に雫形の板状の撹拌部材
１３がちどり状に取り付けられ、この部材１３はそれぞ
れの部材１３の板状表面及び先端部が互いに相手側の撹
拌部材１３の表面及び先端部に近接して回転するように
配置されている。そして被処理液の入り口側（図５の左
側）の撹拌部材１３ｂの内部には図７に示すように流路
７が設けられ、撹拌部材１３ｂの先端表面に添加液の吐
出孔８が設けられている。本実施例によれば剪断力の強
い雫形の板状の撹拌部材１３により添加液と被処理液と
の混合作用が強められる。According to the preferred embodiment of the present invention, as shown in FIGS. 5, 6 and 7, two rotary shafts 2 are penetrated through the main body 1 and each rotary shaft 2 has a drop-shaped plate shape. The stirring members 13 are attached in a striped manner, and the members 13 are arranged so that the plate-like surfaces and the tips of the respective members 13 rotate close to the surfaces and the tips of the stirring members 13 on the other side. There is. As shown in FIG. 7, a channel 7 is provided inside the stirring member 13b on the inlet side of the liquid to be treated (left side in FIG. 5), and a discharge hole 8 for the added liquid is provided on the tip surface of the stirring member 13b. ing. According to this embodiment, the mixing action of the additive liquid and the liquid to be treated is strengthened by the drop-shaped plate-shaped stirring member 13 having a strong shearing force.
【００１５】[0015]
【発明の効果】本発明によれば、一つの装置で高粘性物
質に別の物質を添加し混合して反応させることができ、
品質の良い製品重合物を効率良く得ることができる。According to the present invention, it is possible to add another substance to a highly viscous substance and mix them with one device to cause a reaction.
A product polymer of good quality can be efficiently obtained.
【図１】本発明の一実施例を示す平面断面図である。FIG. 1 is a plan sectional view showing an embodiment of the present invention.
【図２】図１のII−II線断面図である。FIG. 2 is a sectional view taken along line II-II in FIG.
【図３】図１のIII−III線断面図である。3 is a sectional view taken along line III-III in FIG.
【図４】図１の撹拌部材３ｂの部分拡大図である。4 is a partially enlarged view of a stirring member 3b of FIG.
【図５】本発明の他の実施例を示す平面断面図である。FIG. 5 is a sectional plan view showing another embodiment of the present invention.
【図６】図５のVI−VI線断面図である。6 is a sectional view taken along line VI-VI of FIG.
【図７】図５の撹拌部材１３ｂの部分拡大図である。7 is a partially enlarged view of the stirring member 13b of FIG.
１…本体容器、２…回転軸、３…棒状矩形枠を連結した
撹拌部材、４…駆動装置、５…ロータリージョイント、
６…添加液入口ノズル、７…添加液の流路、８…添加液
の吐出孔、９…被処理液の入口ノズル、１０…被処理液
の出口ノズル、１１…揮発物の出口ノズル、１３…雫形
の板状の撹拌部材。DESCRIPTION OF SYMBOLS 1 ... Main body container, 2 ... Rotating shaft, 3 ... Stirring member which connected the rod-shaped rectangular frame, 4 ... Driving device, 5 ... Rotary joint,
6 ... Additive liquid inlet nozzle, 7 ... Additive liquid flow path, 8 ... Additive liquid discharge hole, 9 ... Treated liquid inlet nozzle, 10 ... Treated liquid outlet nozzle, 11 ... Volatile substance outlet nozzle, 13 ... A drop-shaped plate-shaped stirring member.
Claims (5)
端にそれぞれ被処理液の入口及び出口を有し、容器内部
の長手方向に設けた２本の回転軸にそれぞれ撹拌部材を
取り付けて、この撹拌部材が互いに相手側の撹拌部材の
内側に近接して回転する装置において、回転軸及び撹拌
部材の一部を中空とし、撹拌部材に吐出孔を設け、回転
軸の容器外側にロータリージョイントを取り付けて、添
加液を撹拌部材表面から供給することを特徴とする高粘
度液の連続撹拌装置。1. A substantially horizontal container having an inlet and an outlet for a liquid to be treated at one end and the other end in the longitudinal direction, respectively, and a stirring member attached to each of two rotary shafts provided in the longitudinal direction inside the container. In a device in which these stirring members rotate close to each other inside the other stirring member, the rotating shaft and a part of the stirring member are hollow, the stirring member is provided with a discharge hole, and the rotary shaft is provided outside the container of the rotating shaft. A continuous stirring device for high-viscosity liquids, which is equipped with a joint and supplies the additive liquid from the surface of the stirring member.
器内部の回転軸を無くし、この部分に複数個の棒状矩形
枠を連結した形状の撹拌部材を部材の先端が互いに相手
側の撹拌部材の回転中心に近接して回転するようにそれ
ぞれ両端の回転軸に取付け、棒状矩形枠の表面に吐出孔
を設けた高粘度液の連続撹拌装置。2. A continuous stirring device according to claim 1, wherein the rotary shaft inside the container is eliminated, and a plurality of rod-shaped rectangular frames are connected to this portion of the stirring member. A continuous stirring device for high-viscosity liquid, which is attached to the rotating shafts at both ends so as to rotate close to the center of rotation, and discharge holes are provided on the surface of a rod-shaped rectangular frame.
材を雫形の板状部材とし、この部材をそれぞれの部材の
表面が互いに相手側の撹拌部材に近接して回転するよう
にそれぞれの回転軸に取付け、雫形の板状部材の表面に
吐出孔を設けた高粘度液の連続撹拌装置。3. The continuous stirring device according to claim 1, wherein the stirring member is a drop-shaped plate-shaped member, and the surfaces of the members are rotated so that they rotate in proximity to each other. A continuous stirring device for high-viscosity liquid that is attached to a rotating shaft and has a discharge hole on the surface of a drop-shaped plate member.
て、被処理液の入口側の撹拌部材の表面に吐出孔を設
け、この吐出孔より添加液を高粘度液中へ注入して連続
混合を行い、引き続いて撹拌部材により混合液の連続反
応を行う重縮合系樹脂の連続塊状重合方法。4. A continuous stirring device according to claim 1, 2 or 3, wherein a discharge hole is provided on the surface of the stirring member on the inlet side of the liquid to be treated, and the additive liquid is injected into the high-viscosity liquid through this discharge hole. The continuous bulk polymerization method of the polycondensation resin in which the continuous mixing of the mixed liquid is carried out, and then the continuous reaction of the mixed liquid is carried out by the stirring member.
て、添加液を間欠的に吐出孔より高粘度液中へ注入して
連続混合を行う重縮合系樹脂の連続塊状重合方法。5. The continuous bulk polymerization method according to claim 4, wherein the additive liquid is intermittently injected into the high-viscosity liquid through a discharge hole to continuously mix the polycondensation resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6224785A JPH0892378A (en) | 1994-09-20 | 1994-09-20 | Device for continuously stirring highly viscous liquid and method for continuous bulk polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6224785A JPH0892378A (en) | 1994-09-20 | 1994-09-20 | Device for continuously stirring highly viscous liquid and method for continuous bulk polymerization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0892378A true JPH0892378A (en) | 1996-04-09 |
Family
ID=16819171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6224785A Pending JPH0892378A (en) | 1994-09-20 | 1994-09-20 | Device for continuously stirring highly viscous liquid and method for continuous bulk polymerization |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0892378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002105184A (en) * | 2000-10-03 | 2002-04-10 | Agency Of Ind Science & Technol | Method for continuously producing high-molecular weight polybutylene succinate |
| JP2003012791A (en) * | 2001-06-29 | 2003-01-15 | Teijin Ltd | Method and installation for producing aromatic polycarbonate |
-
1994
- 1994-09-20 JP JP6224785A patent/JPH0892378A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002105184A (en) * | 2000-10-03 | 2002-04-10 | Agency Of Ind Science & Technol | Method for continuously producing high-molecular weight polybutylene succinate |
| JP2003012791A (en) * | 2001-06-29 | 2003-01-15 | Teijin Ltd | Method and installation for producing aromatic polycarbonate |
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