JPH0627632Y2 - Die header sealing device - Google Patents
Die header sealing deviceInfo
- Publication number
- JPH0627632Y2 JPH0627632Y2 JP1723789U JP1723789U JPH0627632Y2 JP H0627632 Y2 JPH0627632 Y2 JP H0627632Y2 JP 1723789 U JP1723789 U JP 1723789U JP 1723789 U JP1723789 U JP 1723789U JP H0627632 Y2 JPH0627632 Y2 JP H0627632Y2
- Authority
- JP
- Japan
- Prior art keywords
- cock
- polymer
- passage
- die
- reactor
- 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
- 238000007789 sealing Methods 0.000 title claims description 9
- 229920000642 polymer Polymers 0.000 claims description 50
- 239000002826 coolant Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、樹脂ポリマーのバッチ生産工程におけるダ
イヘッダのシール装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a die header sealing device in a batch production process of a resin polymer.
例えば、ポリエステル、ナイロン、その他の合成樹脂ポ
リマーを製造するには、第４図のように、重合反応缶と
なるリアクター１の下部にダイケーシング２を接続し、
このダイケーシング２の下部にダイヘッダ３を収納する
と共に、ダイケーシング２の途中に熱媒ジャケット付き
のバルブ４を設けた装置が用いられている。For example, in order to produce polyester, nylon, and other synthetic resin polymers, as shown in FIG. 4, a die casing 2 is connected to a lower portion of a reactor 1 which is a polymerization reaction can,
A device is used in which a die header 3 is housed in the lower part of the die casing 2 and a valve 4 with a heating medium jacket is provided in the middle of the die casing 2.
ダイヘッダ３はポリマーを等分に分配し、ストランド状
やスリット状等所定の形状に成形して大気中に排出する
と共に、バルブ４は重合反応工程時及び完了時にリアク
ター１からのポリマー排出のオン、オフを行なうもので
ある。The die header 3 divides the polymer into equal parts, forms it into a predetermined shape such as a strand shape or a slit shape, and discharges it into the atmosphere, and the valve 4 turns on the discharge of the polymer from the reactor 1 at the time of the completion of the polymerization reaction step, It turns off.
ところで、リアクター１は、バッチ運転で使用され、重
合反応が断続的に行なわれるため、重合反応工程時には
リアクター１内を真空保持しなければならず、この真空
保持はバルブ４の閉止によって行なっている。By the way, since the reactor 1 is used in batch operation and the polymerization reaction is performed intermittently, the inside of the reactor 1 must be kept vacuum during the polymerization reaction step, and this vacuum holding is performed by closing the valve 4. .
しかしながら、バルブ４は外部に熱媒ジャケットを有
し、ダイケーシング２のポリマー吐出路に対して進退動
する構造になっているため、外形が大型化し、その分ダ
イケーシング２が寸法的に長くなり、このため、液溜等
が発生し、残ポリマー量が多くなると共に、ポリマー吐
出距離が長く、ヘッドロス（吐出圧力）が大きいという
問題がある。However, since the valve 4 has a heat medium jacket on the outside and is configured to move back and forth with respect to the polymer discharge passage of the die casing 2, the outer shape becomes large and the die casing 2 becomes dimensionally long accordingly. Therefore, there is a problem that a liquid pool or the like is generated, the amount of residual polymer is increased, the polymer discharge distance is long, and the head loss (discharge pressure) is large.
また、リアクター１の真空保持を行なうため、第４図に
示すように、ダイヘッダ３の下部にガスケット５とカバ
ー６をボルト止めすることが行なわれているが、このよ
うな方法は、高温のポリマーが出ている状態で作業を行
なわなければならず、このため作業環境が極めて悪く危
険であり、作業性も良くないという問題があり、その改
善が望まれている。Further, in order to maintain the vacuum of the reactor 1, as shown in FIG. 4, the gasket 5 and the cover 6 are bolted to the lower part of the die header 3, but such a method is used for high temperature polymer. Therefore, there is a problem that the work environment is extremely bad and dangerous, and the workability is not good, and improvement thereof is desired.
この考案の課題は、上記のような問題点を解決するた
め、ポリマーの吐出距離が短かく、しかもリアクター内
の真空保持が完全に行なえるダイヘッダのシール装置を
提供することが目的である。In order to solve the above problems, an object of the present invention is to provide a die header sealing device which has a short polymer discharge distance and which can completely hold a vacuum in the reactor.
上記のような課題を解決するため、この考案は、ダイヘ
ッダの上部に、ポリマー吐出路の開閉を行なうコックを
設置し、このコックに、コックの表面温度を低下させ、
コックとシール部の間に固化ポリマーを発生させて、シ
ールを行なう冷媒体の通路を設けた構成としたものであ
る。In order to solve the above problems, the present invention is to install a cock for opening and closing the polymer discharge path on the upper part of the die header, and lowering the surface temperature of the cock on this cock,
It is configured such that a passage for a refrigerant body is provided between the cock and the seal portion to generate a solidified polymer for sealing.
ポリマーの吐出時はコックを開状態にすると共に、ポリ
マー吐出閉止時にはコックを閉状態とし、通路に冷媒体
を供給してコック表面の温度を低下させる。When the polymer is discharged, the cock is opened, and when the polymer is closed, the cock is closed, and the coolant is supplied to the passage to lower the temperature of the cock surface.
コックの表面に薄く付着している溶触ポリマーは、温度
低下に従ってコック表面とシール部間に固化ポリマーを
発生させ、シール部を完全に密閉してリアクター内の真
空保持を行ない、リアクター内で次工程に必要な重合反
応が行なわれることにより、ポリマーが生産される。The contact polymer thinly adhering to the surface of the cock generates solidified polymer between the cock surface and the seal part as the temperature decreases, and the seal part is completely sealed to maintain the vacuum in the reactor, and the next process in the reactor is performed. The polymer is produced by carrying out the polymerization reaction necessary for.
また、次のポリマー吐出時には、通路に熱媒体を通すか
電熱ヒータを用い、コックを加熱して固化ポリマーを溶
融させ、この後コックを開状態に回転させればよい。Further, at the time of the next polymer discharge, the heat medium may be passed through the passage or an electric heater may be used to heat the cock to melt the solidified polymer, and then the cock may be rotated to the open state.
以下、この考案の実施例を添付図面の第１図乃至第３図
に基づいて説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 3 of the accompanying drawings.
第１図のように、リアクター１１の下部に接続したダイ
ケーシング１２は、上下方向にポリマー吐出路１３が貫
通し、外周に熱媒ジャケット１４が設けられ、下端部に
ダイヘッダ１５とその上部にポリマー吐出路１３の開閉
を行なうコック１６が組込まれている。As shown in FIG. 1, the die casing 12 connected to the lower portion of the reactor 11 has a polymer discharge passage 13 penetrating in the vertical direction, a heat medium jacket 14 provided on the outer periphery, a die header 15 at the lower end portion and a polymer header 15 at the upper portion thereof. A cock 16 for opening and closing the discharge passage 13 is incorporated.
上記コック１６は、横長の円軸状に形成され、角形ブロ
ック状となるコック本体１７の内部に水平状態で回動自
在となるよう組込まれ、径方向に貫通する通孔１８の内
部に、多孔性のディストルビューター１９が組込まれて
いる。The cock 16 is formed in a horizontally long circular shaft shape and is rotatably installed in a horizontal direction in a cock block-shaped cock body 17, and a porous hole is formed inside a through hole 18 penetrating in a radial direction. The sex distorter 19 is incorporated.
このコック１６は、コック本体１７の上部通路１７ａと
下部通路１７ｂの間に位置し、通孔１８で上下通路１７
ａ、１７ｂを連通させた開状態（第１図）と上下通路１
７ａ、１７ｂの連通を遮断した閉状態（第２図）に熱媒
ジャケット１４の外部から回動させることができ、閉状
態において、コック１６の外周とコック本体１７の内周
の重なり合う部分がポリマーシール部分２０となる（第
２図）。The cock 16 is located between the upper passage 17 a and the lower passage 17 b of the cock body 17, and the upper and lower passages 17 are formed by the through holes 18.
The open state (Fig. 1) in which a and 17b are communicated with each other and the upper and lower passages 1
It can be rotated from the outside of the heat medium jacket 14 to a closed state (FIG. 2) in which the communication between 7a and 17b is blocked, and in the closed state, the overlapping portion of the outer circumference of the cock 16 and the inner circumference of the cock body 17 is a polymer. It becomes the sealing portion 20 (FIG. 2).
ダイヘッダ１５は、コック本体１７の下面に下側通路１
７ｂと連通するよう重ねて固定され、ポリマーを等分に
分配してストランド状やスリットー状の形状に成形しな
がら大気中に排出する。The die header 15 has a lower passage 1 on the lower surface of the cock body 17.
7b is fixed so as to communicate with 7b, and the polymer is divided into equal parts and molded into a strand shape or a slit shape and discharged into the atmosphere.
前記コック１６には、軸方向に沿って冷媒体の通路２１
が設けられ、ジャケット１４の外部からこの通路２１に
気体や液体等の冷媒体を循環供給し、コック１６の温度
を低下させるようになっている。The cock 16 has a passage 21 for the refrigerant body along the axial direction.
Is provided, and a coolant such as gas or liquid is circulated and supplied to the passage 21 from the outside of the jacket 14 to lower the temperature of the cock 16.
なお、この通路２１は、コック１６の温度を上昇させる
ための熱媒体の通路としても利用される。The passage 21 is also used as a passage for the heat medium for raising the temperature of the cock 16.
また、コック１６とコック本体１７の材質は、ステンレ
ス合金、コバルト合金、タングステン合金、銅合金、Al
合金、耐熱性合成樹脂、形状記憶合金等を単用もしくは
これらを組合せて使用することができる。The materials of the cock 16 and the cock body 17 are stainless steel alloy, cobalt alloy, tungsten alloy, copper alloy, Al.
Alloys, heat resistant synthetic resins, shape memory alloys, etc. can be used alone or in combination.
この考案のシール装置は上記のような構成であり、ポリ
マーの吐出時は第１図に示すようにコック１６を開状態
とする。The sealing device of the present invention has the above-described structure, and the cock 16 is opened when the polymer is discharged, as shown in FIG.
このとき、コック１６の通路２１には冷媒体の供給を行
なわない。At this time, the refrigerant body is not supplied to the passage 21 of the cock 16.
ポリマーの排出後にリアクター１１内で次のポリマー生
産を行なうため、第２図のようにコック１６を閉状態に
90°回転させ、ポリマー吐出路１３をダイヘッダ１５の
直上で閉止する。In order to carry out the next polymer production in the reactor 11 after discharging the polymer, the cock 16 is closed as shown in FIG.
Rotate 90 ° to close the polymer discharge passage 13 directly above the die header 15.
コック１６はコック本体１７との接触部分でシール部分
２０を形成し、この状態で通路２１に冷媒体を循環供給
する。The cock 16 forms a seal portion 20 at a contact portion with the cock body 17, and in this state, the refrigerant body is circulated and supplied to the passage 21.
コック１６の表面には溶融ポリマーが薄く付着している
ため、冷媒体の供給による温度低下に従い、シール部分
２０間に固化ポリマーが発生し、この固化ポリマーによ
ってシール部分２０を気密状に完全密閉し、上部リアク
ター１１内の真空保持を行なう。Since the molten polymer is thinly adhered to the surface of the cock 16, a solidified polymer is generated between the seal portions 20 according to the temperature decrease due to the supply of the coolant, and the solidified polymer completely seals the seal portion 20 in an airtight manner. The vacuum in the upper reactor 11 is maintained.
このような状態で、リアクター１１内において、次工程
の原料が真空加熱によって重合反応し、ポリマーが生産
される。In such a state, in the reactor 11, the raw material for the next step is polymerized by vacuum heating to produce a polymer.
第２図の状態で生産されたポリマーの吐出を行なうに
は、通路２１に対して熱風や温水等の熱媒体を供給する
か、別に組込んだ電熱ヒータ等によってコック１６の温
度を加熱上昇させ、シール部分２０の固化ポリマーを強
制的に溶融した後コック１６を90°回転させて第１図の
開状態にすればよい。In order to discharge the polymer produced in the state of FIG. 2, a heat medium such as hot air or hot water is supplied to the passage 21, or the temperature of the cock 16 is heated and raised by a separately incorporated electric heater or the like. After forcibly melting the solidified polymer in the seal portion 20, the cock 16 may be rotated 90 ° to bring it into the open state shown in FIG.
なお、第３図は、ダイケーシング１２のポリマー吐出路
１３とリアクター１１の間を、バルブ２２とギャーポン
プ２３を介して循環路２４で接続し、リアクター１１と
ダイケーシング１２内のポリマーを循環させることがで
きるようにした例を示している。In FIG. 3, the polymer discharge passage 13 of the die casing 12 and the reactor 11 are connected by a circulation passage 24 via a valve 22 and a gear pump 23 to circulate the polymer in the reactor 11 and the die casing 12. It shows an example in which it is made possible.
以上のように、この考案によると、上記のような構成で
あるので、以下に列挙する効果がある。As described above, according to the present invention, since the configuration is as described above, there are the effects listed below.
（Ｉ）ポリマー吐出路にコックを設け、このコックに冷
媒体の通路を形成したので、コックのシール部分に固化
ポリマーを発生させてシール部分を完全に密閉すること
ができ、リアクター内の真空保持が確実に行なえ、リア
クター内で良質のポリマーを生産することができる。(I) A cock is provided in the polymer discharge path, and a passage for the refrigerant is formed in this cock, so that solidified polymer can be generated in the seal part of the cock to completely seal the seal part, and the vacuum in the reactor can be maintained. Can be reliably performed, and a high quality polymer can be produced in the reactor.
(II)ポリマー吐出路の途中にコックを組込むだけである
ため、ポリマー吐出路を寸法的に短かくでき、ヘッドロ
ス（吐出圧力）を小さくできると共に、液溜り等の発生
箇所もなくなり、生産するポリマーの品質が向上する。(II) Since the cock is simply installed in the middle of the polymer discharge passage, the polymer discharge passage can be dimensionally shortened, the head loss (discharge pressure) can be reduced, and the occurrence of liquid pool etc. can be eliminated, and the polymer produced Improve the quality of.
(III)ダイヘッダの直上にコックを設けたので、コック
下部のポリマー容積が小さくなり、残ポリマーを小量に
でき、ポリマーの生産比率が向上し、生産コストの低減
を図ることができる。(III) Since the cock is provided directly above the die header, the volume of the polymer at the bottom of the cock can be reduced, the amount of the remaining polymer can be reduced, the production ratio of the polymer can be improved, and the production cost can be reduced.
(IV)ポリマー吐出路にコックを設けるだけでよいため、
部品点数が少なく、構造が簡単でメンテナンスが容易で
ある。(IV) Since it is only necessary to provide a cock in the polymer discharge path,
The number of parts is small, the structure is simple, and maintenance is easy.
第１図はこの考案に係るシール装置のポリマー吐出状態
時を示す縦断正面図、第２図は同じくポリマー吐出停止
時の縦断正面図、第３図はポリマーの循環路を付加した
状態の説明図、第４図は従来のシール装置を示す正面図
である。 １１……リアクター、１２……ダイケーシング、 １３……ポリマー吐出路、 １５……ダイヘッダ、１６……コック、 １７……コック本体、２０……シール部分、 ２１……通路。FIG. 1 is a vertical sectional front view showing a sealing device according to the present invention when a polymer is discharged, FIG. 2 is a vertical sectional front view when the polymer discharging is stopped, and FIG. 3 is an explanatory view showing a state where a polymer circulation path is added. FIG. 4 is a front view showing a conventional sealing device. 11 ... Reactor, 12 ... Die casing, 13 ... Polymer discharge passage, 15 ... Die header, 16 ... Cock, 17 ... Cock body, 20 ... Seal part, 21 ... Passage.
Claims (1)
閉を行なうコックを設置し、このコックに、コックの表
面温度を低下させ、コックとシール部の間に固化ポリマ
ーを発生させて、シールを行なう冷媒体の通路を設けた
ダイヘッダのシール装置。1. A cock for opening and closing a polymer discharge path is installed on the upper part of a die header, and the surface temperature of the cock is lowered on this cock to generate a solidified polymer between the cock and the seal portion to seal the seal. A die header sealing device with a passage for the cooling medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1723789U JPH0627632Y2 (en) | 1989-02-16 | 1989-02-16 | Die header sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1723789U JPH0627632Y2 (en) | 1989-02-16 | 1989-02-16 | Die header sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02110647U JPH02110647U (en) | 1990-09-04 |
| JPH0627632Y2 true JPH0627632Y2 (en) | 1994-07-27 |
Family
ID=31230841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1723789U Expired - Lifetime JPH0627632Y2 (en) | 1989-02-16 | 1989-02-16 | Die header sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627632Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0689151B2 (en) * | 1989-08-18 | 1994-11-09 | 道晴 巽 | Polymer molding equipment |
-
1989
- 1989-02-16 JP JP1723789U patent/JPH0627632Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02110647U (en) | 1990-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |