JPS63322A - Changeover of treated liquid in an apparatus for continuous treatment of high-viscosity liquid - Google Patents
Changeover of treated liquid in an apparatus for continuous treatment of high-viscosity liquidInfo
- Publication number
- JPS63322A JPS63322A JP14303886A JP14303886A JPS63322A JP S63322 A JPS63322 A JP S63322A JP 14303886 A JP14303886 A JP 14303886A JP 14303886 A JP14303886 A JP 14303886A JP S63322 A JPS63322 A JP S63322A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- main body
- treated
- nozzle
- viscosity
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 abstract description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract description 4
- -1 polybutylene terephthalate Polymers 0.000 abstract description 4
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 abstract description 3
- 238000006068 polycondensation reaction Methods 0.000 abstract description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract description 2
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 3
- 239000006227 byproduct Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Polyesters Or Polycarbonates (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、高粘度物質の連続処理装置に係り、特にポリ
ブチレンテレフタレート等の高粘度熱可塑性樹脂の連続
縮重合に好適な被処理液の切換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 continuous processing apparatus for high viscosity substances, and in particular to a process for processing liquids suitable for continuous condensation polymerization of high viscosity thermoplastic resins such as polybutylene terephthalate. This relates to a switching method.
従来の高粘度物質の連続処理装置は、特公昭６０−２９
７３３号に記載のように、ポリエチレンテレフタレート
等一種類の高分子の被処理液を１か月〜１年間の長期間
連続して製造するものであり、品種の切り換えを頻繁に
行う場合に問題となる被処理液の切り換え操作時間の垣
網については配慮されていなかった。The conventional continuous processing equipment for high viscosity substances is
As described in No. 733, a single type of polymeric liquid such as polyethylene terephthalate is manufactured continuously for a long period of time, from one month to one year, and this may cause problems when changing types frequently. No consideration was given to the timing of switching the liquid to be treated.
上記従来技術は、品種の切り換えや運転停止時に行う高
粘度液の排出に際しては、抜出し装置で本体内に残った
被処理液を取り出す方法を取っており、特に粘度が１万
ポアズ以上と高（なった場合に長時間な要する点に問題
があった。In the above-mentioned conventional technology, when discharging high viscosity liquid at the time of product changeover or operation stoppage, the liquid to be treated remaining in the main body is taken out using a extraction device. The problem was that it took a long time to do so.
本発明の目的は、本体内に残った高粘度液の排出時間を
短縮し、品種の切り換え時間を短呪することにある。An object of the present invention is to shorten the time required to drain the high viscosity liquid remaining in the main body, and to shorten the time required to change types.
液
上記目的は、被処理切換時の高粘度液の排出の際に、不
活性ガスを本体内に供給し、加圧して排出速度を高める
ことにより達成される。The above object is achieved by supplying an inert gas into the main body and pressurizing it to increase the discharge speed when discharging a high viscosity liquid when switching to a target to be treated.
高粘度液排出時に、不活性ガスの入口弁が開き、本体内
部の被処理液が加圧されて被処理液の出口方向に移動し
、排出が促進される。さらに、推奨される実施例におい
ては、被処理液の入口ノズル下部に被処理液排出弁を取
りつけ、この排出弁を開いて、入口ノズルと抜出し装置
との両方から被処理液が加圧して押し出され、短時間に
排出することができる。When the high viscosity liquid is discharged, the inert gas inlet valve opens, and the liquid to be treated inside the main body is pressurized and moves toward the outlet of the liquid to be treated, promoting discharge. Additionally, in a recommended embodiment, a liquid discharge valve is installed at the bottom of the inlet nozzle for the liquid to be treated, and when the discharge valve is opened, the liquid to be treated is pressurized and forced out from both the inlet nozzle and the extraction device. It can be discharged in a short time.
以下、本発明の一実施例を第１図、第２図により説明す
る。図曇こおいて、１は処理装置の本体で、第２図に示
す断面を持つ横長円筒状容器であり、熱媒ジャケット（
図示せず）で外周を覆われている。本体ｌ内の長手方向
に矩形わく状構造の攪拌部材２が２本設置され、回転軸
３を通して本体駆動モータ４により回転される。本体１
の一端下部には被処理液の入口ノズル５が設けられ、他
端下部には被処理液の抜出スクリュー６および出口ノズ
ル７が設けられている。抜出スクリュー６は抜出しモー
タ８により駆動される。また、本体１の上部には揮発物
の出口ノズル９および、不活性ガスの入口ノズル１０が
取りつけられ、入口ノズル１０は不活性ガス人口弁１１
に配管接続されている。不活性ガス人口弁Ｈには所定圧
力に制御できる圧力調整弁が用いられる。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. In the figure, 1 is the main body of the processing equipment, which is an oblong cylindrical container with a cross section shown in Figure 2.
(not shown). Two stirring members 2 each having a rectangular frame-like structure are installed in the longitudinal direction of the main body 1, and are rotated by a main body drive motor 4 through a rotating shaft 3. Main body 1
An inlet nozzle 5 for the liquid to be treated is provided at the bottom of one end, and an extraction screw 6 and an outlet nozzle 7 for the liquid to be processed are provided at the bottom of the other end. The extraction screw 6 is driven by an extraction motor 8. Further, an outlet nozzle 9 for volatile matter and an inlet nozzle 10 for inert gas are attached to the upper part of the main body 1, and the inlet nozzle 10 is connected to an inert gas artificial valve 11.
The piping is connected to the A pressure regulating valve that can control the pressure to a predetermined pressure is used as the inert gas artificial valve H.
一方、本体１の前段重合機賃の出口配管１３と被処理液
の入口ノズル５との間には入口弁１４が設けられ、入口
ノズル５の下部には被処理液排出弁１５が配管接続され
ている。On the other hand, an inlet valve 14 is provided between the outlet pipe 13 of the pre-polymerization unit of the main body 1 and the inlet nozzle 5 for the liquid to be treated, and a discharge valve 15 for the liquid to be treated is connected to the lower part of the inlet nozzle 5 via piping. ing.
本発明はこのように構成されているので、次のように作
用する。ポリブチレンテレフタレート等の高粘度縮重合
系高分子の被処理液を連続重合する場合、連続運転時に
は、前段重合機丘から送られる中間重合物は、出口配管
１３．入口弁１４を通って入口ノズル５から本体１に連
続供給される。被処理液は本体ｌ内で攪拌部材２の作用
で攪拌混合され、副生するテトラヒドロフランが揮発物
出口ノズル９から蒸発除去されて重合反応が進み、高重
合物となって抜出スクリュー６により出口ノズル７から
系外に取り出される。Since the present invention is configured as described above, it operates as follows. When continuously polymerizing a liquid to be treated of a high viscosity polycondensation polymer such as polybutylene terephthalate, during continuous operation, the intermediate polymer sent from the front polymerization machine is transferred to the outlet pipe 13. It is continuously supplied to the main body 1 from the inlet nozzle 5 through the inlet valve 14. The liquid to be treated is stirred and mixed within the main body 1 by the action of the stirring member 2, and by-produced tetrahydrofuran is evaporated and removed from the volatile matter outlet nozzle 9, and the polymerization reaction progresses, becoming a highly polymerized product that is sent to the outlet by the extraction screw 6. It is taken out from the system through the nozzle 7.
次に、品種の切り換え、運転停止等のために、本体１内
の高粘度の被処理液が一旦排出される操作においては、
まず、攪拌部材２の回転を停止し。Next, in operations where the high viscosity liquid to be treated in the main body 1 is temporarily discharged due to switching of types, stopping of operation, etc.
First, the rotation of the stirring member 2 is stopped.
揮発物出口ノズル９からの減圧を停止して、不活性ガス
入口弁１１を開いて、窒素ガス等の不活性ガスを入口ノ
ズル１０から本体１内に供給する。これにより、本体１
内が０．１ Ｋ９／ｄｉ Ｇから１０Ｋｙ／ａｄＧ８度
に加圧され、本体１内の底部にたまっていた高粘度の被
処理液が出口ノズル７を通って短時間に排出される。こ
のとき、抜出しスクリユー６の回転数は許容される最大
の回転数に設定される。The pressure reduction from the volatile matter outlet nozzle 9 is stopped, the inert gas inlet valve 11 is opened, and an inert gas such as nitrogen gas is supplied into the main body 1 from the inlet nozzle 10. As a result, main body 1
The inside of the main body 1 is pressurized from 0.1 K9/diG to 10Ky/adG8 degrees, and the highly viscous liquid to be treated that has accumulated at the bottom of the main body 1 is discharged through the outlet nozzle 7 in a short time. At this time, the rotational speed of the extraction screw 6 is set to the maximum allowable rotational speed.
推奨される実施例においては、被処理液の入口ノズル５
の下部に被処理液排出弁１５を設置して配管したもので
ある。本実施例において、被処理液を排出する際には、
攪拌部材２の回転を停止し、揮発物出口ノズル９からの
減圧操作な止め、被処理液の入口ノズル１４を閉じて不
活性ガス人口弁１１を開く。そして、本体１内の圧力が
大気圧以上になった時点で排出弁１５を開き、被処理液
を排出弁１５および出口ノズル７の両方から抜き出す。In the preferred embodiment, the inlet nozzle 5 for the liquid to be treated is
A treated liquid discharge valve 15 is installed at the lower part of the pipe. In this example, when discharging the liquid to be treated,
The rotation of the stirring member 2 is stopped, the pressure reduction operation from the volatile matter outlet nozzle 9 is stopped, the inlet nozzle 14 for the liquid to be treated is closed, and the inert gas artificial valve 11 is opened. Then, when the pressure inside the main body 1 becomes equal to or higher than the atmospheric pressure, the discharge valve 15 is opened, and the liquid to be treated is extracted from both the discharge valve 15 and the outlet nozzle 7.
これにより、本体ｌ内に残った被処理液の排出を短時間
で行うことができる。Thereby, the liquid to be treated remaining in the main body 1 can be discharged in a short time.
さらに推奨される実施例においては、第３図番こ示すよ
うに、本体１の上部・こダイヤフラム式等の圧力検知器
工６を取りつけ、被処理液の排出弁１５を自動開閉弁と
して、制御装Ｕ １７へ圧力検知器１６からの圧力の信
号を入力し、この信号に応じて排出弁１５の開閉を制御
するものである。すなわち、制御装置１７により本体１
内の圧力が大気圧１こなるまで排出弁１５を閉じ、大気
圧以上毫こなった時点で排出弁１５を開く操作を行う。Furthermore, in a recommended embodiment, as shown in Figure 3, a pressure detector 6 such as a diaphragm type is attached to the upper part of the main body 1, and the discharge valve 15 for the liquid to be treated is used as an automatic opening/closing valve for control. A pressure signal from the pressure sensor 16 is input to the device U 17, and the opening and closing of the discharge valve 15 is controlled in accordance with this signal. That is, the control device 17 controls the main body 1.
The discharge valve 15 is closed until the internal pressure becomes one atmospheric pressure or more, and the discharge valve 15 is opened when the internal pressure becomes one atmospheric pressure or higher.
これ（二より、弁開閉操作が省力化でき、排出弁１５の
誤操作による本体ｌ内への空気の吸い込みを防止するこ
とができ、被処理液を酸素等による劣化から保護するこ
とができる。Second, the valve opening/closing operation can be labor-saving, air can be prevented from being sucked into the main body 1 due to erroneous operation of the discharge valve 15, and the liquid to be treated can be protected from deterioration due to oxygen and the like.
本発明によれば、品種の切り換えや運転停止時に行う高
粘度液の排出操作を短時間で行うことができ、生産効率
を高めることができる。According to the present invention, it is possible to perform the discharge operation of high viscosity liquid when changing the product type or stopping the operation in a short time, and it is possible to improve production efficiency.
第１図は本発明の一実施例を示す高粘度液連続処理装置
の系統図、第２図は第１図のｌｌ−１１断面図、第３図
は本発明の他の実施例を示す高粘度液連続処理装置の系
統図である。
ｌ・・・・・・処理装置本体、２・・・・・・攪拌部材
、５・・・・・・被処理液入口ノズル、６・・・・・・
抜出スクリュー、７・・・・・・出口ノズル、ｌＯ・・
・・・・不活性ガス人口ノズル、１１・・・・・・不活
性ガス人口弁、巧・・・・・・被処理液排出弁、才１図
ＬＬFig. 1 is a system diagram of a high viscosity liquid continuous processing apparatus showing one embodiment of the present invention, Fig. 2 is a sectional view taken along line 11 in Fig. FIG. 2 is a system diagram of a viscous liquid continuous processing device. l...Processing device main body, 2...Stirring member, 5...Liquid to be treated inlet nozzle, 6...
Extraction screw, 7...Exit nozzle, lO...
...Inert gas artificial nozzle, 11... Inert gas artificial valve, Takumi... Treated liquid discharge valve, Figure 1 LL
Claims (1)
拌部材を設け、本体長手方向の一端に設けた入口ノズル
より供給した液を他端に設けた抜出し装置より取出すよ
うにした高粘度液連続処理装置において、本体内の被処
理液の切換時に、本体内を不活性ガスで加圧して被処理
液を排出することを特徴とする高粘度液連続処理装置の
被処理液の切換方法。 ２、本体内の被処理液を入口ノズルおよび抜出し装置よ
り排出するようにした特許請求の範囲第１項記載の高粘
度液連続処理装置の被処理液切換方法。 ３、本体内の圧力を検出して入口ノズルに設けた排出弁
を開閉するようにした特許請求の範囲第２項記載の高粘
度液連続処理装置の被処理液切換方法。[Scope of Claims] 1. A stirring member is provided in the longitudinal direction of the cylindrical container body installed horizontally, and the liquid is supplied from an inlet nozzle provided at one end of the main body in the longitudinal direction from a withdrawal device provided at the other end. A high viscosity liquid continuous processing apparatus characterized in that when switching the liquid to be treated in the main body, the main body is pressurized with an inert gas and the liquid to be processed is discharged. How to change the liquid to be treated. 2. A method for switching a liquid to be treated in a continuous high viscosity liquid processing apparatus according to claim 1, wherein the liquid to be treated in the main body is discharged from an inlet nozzle and an extraction device. 3. A method for switching a liquid to be treated in a continuous high viscosity liquid processing apparatus according to claim 2, wherein the pressure inside the main body is detected to open and close a discharge valve provided at an inlet nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14303886A JPS63322A (en) | 1986-06-20 | 1986-06-20 | Changeover of treated liquid in an apparatus for continuous treatment of high-viscosity liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14303886A JPS63322A (en) | 1986-06-20 | 1986-06-20 | Changeover of treated liquid in an apparatus for continuous treatment of high-viscosity liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63322A true JPS63322A (en) | 1988-01-05 |
Family
ID=15329459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14303886A Pending JPS63322A (en) | 1986-06-20 | 1986-06-20 | Changeover of treated liquid in an apparatus for continuous treatment of high-viscosity liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63322A (en) |
-
1986
- 1986-06-20 JP JP14303886A patent/JPS63322A/en active Pending
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