JP2691071B2 - Volatile scatter remover - Google Patents
Volatile scatter removerInfo
- Publication number
- JP2691071B2 JP2691071B2 JP33477890A JP33477890A JP2691071B2 JP 2691071 B2 JP2691071 B2 JP 2691071B2 JP 33477890 A JP33477890 A JP 33477890A JP 33477890 A JP33477890 A JP 33477890A JP 2691071 B2 JP2691071 B2 JP 2691071B2
- Authority
- JP
- Japan
- Prior art keywords
- hot air
- volatile
- heat exchanger
- high temperature
- film
- 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 - Fee Related
Links
Landscapes
- Incineration Of Waste (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はポリプロピレン、ポリエステル、ナイロン等
のプラスチックフィルム製造設備、特にその延伸装置に
適用されるオリゴマー、オイルミスト等の揮発性飛散物
の除去装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a facility for producing plastic films such as polypropylene, polyester, nylon, etc., and in particular, a device for removing volatile scattered substances such as oligomers and oil mist, which is applied to a stretching device thereof. It is about.
（従来の技術） 従来延伸フィルムの製造にあたって最も一般的な方法
としては、温度制御された熱風を循環してフィルムの予
熱、延伸、熱固定及び冷却をする方法が採用されてい
る。しかしこの方法においては、稼働中において前記熱
風中に昇華物、オイルミスト等が飛散してこれらが製造
中のフィルムに付着すると云う欠点をもっていた。な
お、前記飛散物の例としては、ポリエステル延伸時のオ
リゴマー、ポリプロピレン延伸時の添加剤蒸発成分等が
ある。(Prior Art) Conventionally, the most general method for producing a stretched film is to circulate hot air whose temperature is controlled to preheat, stretch, heat set and cool the film. However, this method has a drawback that sublimates, oil mist and the like are scattered in the hot air during operation and adhere to the film being manufactured. Examples of the scattered substances include oligomers during polyester stretching and additive evaporation components during polypropylene stretching.
ところでこれらの飛散物を除去するため、従来は、例
えば特開昭58−65731号公報に示す如く、熱風を更に昇
温させることなく、通常の運転温度で酸化触媒層に通し
てポリエステルのオリゴマーを燃焼除去する方法が開示
されている。この方法は、酸化触媒層に白金等の貴金属
を担持させて、200〜250℃の比較的低温で燃焼させるこ
とを特徴としている。By the way, in order to remove these scattered matters, conventionally, as shown in, for example, JP-A-58-65731, polyester oligomers are passed through the oxidation catalyst layer at a normal operating temperature without further heating the hot air. A method of burning off is disclosed. This method is characterized in that a noble metal such as platinum is supported on the oxidation catalyst layer and burned at a relatively low temperature of 200 to 250 ° C.
（発明が解決しようとする課題） しかしながら前記従来方法をポリプロピレンフィルム
の延伸に応用しようとしても、熱風温度が通常160℃と
低いため、十分な燃焼効果が得られない。また添加剤か
ら発生したオイルミストの触媒毒により急速に性能が劣
化し実用的ではなかった。(Problems to be Solved by the Invention) However, even if the conventional method is applied to the stretching of a polypropylene film, the hot air temperature is usually as low as 160 ° C., so that a sufficient combustion effect cannot be obtained. In addition, the performance was rapidly deteriorated by the catalyst poison of oil mist generated from the additive, which was not practical.
これに対し、例えば特開昭60−97829号公報には活性
炭、アルミナ、白土等の吸着剤によるオリゴマー、オイ
ルミストの除去方法が開示されており、特に活性炭ペレ
ットが有効であるとしている。しかし活性炭等の一般の
吸着剤は吸着できる物質が限られる、所謂選択性があ
り、且つ吸着温度が上昇すると共に吸着能力が低下する
特性を持つ。例えば、ポリエステルフィルムの延伸温度
は230〜250℃であり、この温度は通常活性炭から吸着物
質を脱着させる温度であり、この温度でオリゴマーの吸
着操作を行なうことは極めて効率が悪く、大量の活性炭
を必要とする。またオイルミスト類は一般に吸着しにく
く、早期に破過する傾向がある。On the other hand, for example, Japanese Unexamined Patent Publication (Kokai) No. 60-97829 discloses a method for removing oligomers and oil mist by using an adsorbent such as activated carbon, alumina and clay, and it is said that activated carbon pellets are particularly effective. However, general adsorbents such as activated carbon have so-called selectivity, which limits the substances that can be adsorbed, and has the characteristic that the adsorption capacity decreases as the adsorption temperature rises. For example, the stretching temperature of the polyester film is 230 to 250 ° C., which is the temperature at which the adsorbed substance is usually desorbed from the activated carbon, and it is extremely inefficient to carry out the adsorption operation of the oligomer at this temperature, and a large amount of activated carbon I need. In addition, oil mists are generally difficult to adsorb and tend to break through early.
更に破過に達した吸着剤は、脱着操作によって吸着物
質を離脱させる必要があるが、このためには吸着温度よ
り150〜200deg.高い温度で脱着しなければならないた
め、一般的には吸着剤メーカに再生処理を委託する形と
なる。For the adsorbent that has reached the breakthrough, it is necessary to desorb the adsorbent by a desorption operation, but in order to do this, it is necessary to desorb at a temperature 150 to 200 deg. Higher than the adsorption temperature . Recycling processing will be outsourced to the agent manufacturer.
本発明は前記従来の酸化触媒における熱風温度範囲の
制限や触媒毒の問題、吸着剤における吸着物質の選択
性、高温雰囲気中での吸着能力の低下、短寿命等の前記
従来の課題を一挙に解決し、各種のフィルム延伸におい
て安定して熱風中の揮発性飛散物を除去できるプラスチ
ックフィルム延伸装置の揮発性飛散物除去装置を提供せ
んとするものである。The present invention provides a summary of the conventional problems such as the limitation of the hot air temperature range and the catalyst poison in the conventional oxidation catalyst, the selectivity of the adsorbent in the adsorbent, the reduction of the adsorption capacity in a high temperature atmosphere, and the short life. It is an object of the present invention to provide a volatile scattering material removing device for a plastic film stretching device that can solve the problems and stably remove volatile scattering materials in hot air in various film stretching processes.
（課題を解決するための手段） このため本発明は、フィルムを加熱する熱風の循環経
路、火炎バーナで加熱されるセラミック熱交換式高温
場、熱交換器、及び前記セラミック熱交換式高温場に前
記循環経路より循環熱風の一部を前記熱交換器を介して
導入し、再び同熱交換器を介して前記熱風循環経路に戻
すよう熱風を循環させる入口及び出口ダクトよりなるも
ので、これを課題解決のための手段とするものである。(Means for Solving the Problem) Therefore, the present invention provides a circulation path of hot air for heating a film, a ceramic heat exchange type high temperature field heated by a flame burner, a heat exchanger, and the ceramic heat exchange type high temperature field. A part of the circulating hot air from the circulation path is introduced through the heat exchanger, and is composed of an inlet and an outlet duct for circulating the hot air so as to return to the hot air circulation path through the heat exchanger again. It is a means for solving the problem.
（作用） 熱風循環経路内を循環するフィルムを加熱する熱風の
一部を、火炎バーナで加熱されるセラミック熱交換式高
温場に熱交換器を介して導入し、再び同熱交換器を介し
て熱風を循環経路に戻すもので、熱風中の揮発性飛散物
又は成分を前記セラミック熱交換式高温場で完全燃焼さ
せて除去できる。(Function) A part of the hot air that heats the film circulating in the hot air circulation path is introduced into the ceramic heat exchange type high temperature field heated by the flame burner through the heat exchanger, and again through the heat exchanger. The hot air is returned to the circulation path, and the volatile scattered substances or components in the hot air can be completely burnt and removed in the ceramic heat exchange type high temperature field.
（実施例） 以下本発明の実施例を図面に基づいて詳述すると、図
は本発明の主要技術の一つである火炎バーナで加熱され
るセラミック熱交換式高温場１の原理図を示す。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. The figure shows a principle view of a ceramic heat exchange type high temperature field 1 heated by a flame burner, which is one of the main techniques of the present invention.
前記セラミック熱交換式高温場１の基本構成は、図に
示すセラミック円筒よりなる燃焼管２及び容器３内に火
炎を噴出する火炎バーナ６からなっている。このセラミ
ック熱交換式高温場１にオリゴマー等の揮発性飛散物を
含む空気７を導くことにより、前記飛散物を効率良く燃
焼分解できる。また火炎バーナ６には燃焼のための空気
13がファン９によって入口ダクト10、熱交換器11を介し
て導入され、燃焼済のガス13aは出口ダクト12、熱交換
器11を介し系外へ排出される。The basic configuration of the ceramic heat exchange type high temperature field 1 is composed of a combustion tube 2 made of a ceramic cylinder shown in the figure and a flame burner 6 for ejecting a flame into a container 3. By introducing the air 7 containing volatile scattered substances such as oligomers to the ceramic heat exchange type high temperature field 1, the scattered substances can be efficiently burned and decomposed. Also, the flame burner 6 has air for combustion.
13 is introduced by the fan 9 through the inlet duct 10 and the heat exchanger 11, and the burned gas 13a is discharged to the outside of the system through the outlet duct 12 and the heat exchanger 11.
次に、図において15は延伸フィルム製造装置の熱風循
環装置部、14は閉込高温場１と熱交換器４からなる揮発
性飛散物除去装置である。Next, in the figure, reference numeral 15 is a hot air circulation device part of the stretched film manufacturing apparatus, and 14 is a volatile scattered matter removing device including a closed high temperature field 1 and a heat exchanger 4.
延伸フィルム製造装置の熱風循環装置（揮発性飛散成
分除去装置14の一部）部15は、熱風18を循環するための
ファン16、同ファン16を駆動するためのモータ17、熱風
18の通路となるダクト19、熱風18を噴流化してフィルム
22に吹き付けるためのノズル箱20、フィルム22を左右に
引張りながら送行させるためのクリップ走行機構23、熱
風18を加熱するためのヒータ24等からなっている。The hot air circulating device (part of the volatile scattered component removing device 14) 15 of the stretched film manufacturing apparatus includes a fan 16 for circulating the hot air 18, a motor 17 for driving the fan 16, and a hot air.
18 ducts that become 18 passages, hot air 18 are made into a jet film
It comprises a nozzle box 20 for spraying on the film 22, a clip traveling mechanism 23 for pulling the film 22 left and right, and a heater 24 for heating the hot air 18.
一方前記揮発性飛散物除去装置14は、循環熱風18の一
部７を受入れるための入口ダクト５、熱交換器４、燃焼
管２、火炎バーナ６、容器３からなるセラミック熱交換
式高温場１の出口ダクト８で構成されている。On the other hand, the volatile scattered matter removing device 14 is a ceramic heat exchange type high temperature field 1 including an inlet duct 5 for receiving a part 7 of the circulating hot air 18, a heat exchanger 4, a combustion pipe 2, a flame burner 6 and a container 3. It is composed of the outlet duct 8.
以上の如く構成された実施例について作用を説明する
と、フィルム22から揮発飛散したオリゴマー等の揮発性
飛散物は、熱風７と共に入口ダクト５を通った後、熱交
換器４を経由し、燃焼管２に入り火炎バーナ６によって
1000℃程度まで加熱され完全燃焼される。そしてこの燃
焼による燃焼ガスは、再び熱交換器４に入り、燃焼前の
オリゴマー等の含有空気７を予熱すると同時に、燃焼ガ
ス自体は冷却されて出口ダクト８経由で、前記熱風循環
装置部15内部のヒータ24付近に排出される。なお、セラ
ミック熱交換式高温場１の熱源としては、灯油、重油、
或いはプロパン等の燃料ガスが用いられる。The operation of the embodiment configured as described above will be described. Volatile scattered matter such as oligomers volatilized and scattered from the film 22 passes through the inlet duct 5 together with the hot air 7, then passes through the heat exchanger 4, and the combustion pipe. 2 into the flame burner 6
It is heated to about 1000 ℃ and completely burned. The combustion gas from this combustion enters the heat exchanger 4 again to preheat the air 7 containing oligomers and the like before combustion, and at the same time, the combustion gas itself is cooled and passed through the outlet duct 8 to the inside of the hot air circulation device section 15. It is discharged near the heater 24. As the heat source of the ceramic heat exchange type high temperature field 1, kerosene, heavy oil,
Alternatively, a fuel gas such as propane is used.
（発明の効果） 以上詳細に説明した如く本発明によれば、熱風中の揮
発性飛散物が燃焼除去されるので、熱風循環経路の熱風
中の揮発性飛散物の濃度を著しく低減できると共に、従
来方法に比べ、循環熱風中の揮発性飛散物を安定して除
去することが可能となり、欠点の少ない高品質のフィル
ムが極めて低コストで生産できる。(Effects of the Invention) According to the present invention as described in detail above, since the volatile scattered substances in the hot air are burned and removed, the concentration of the volatile scattered substances in the hot air in the hot air circulation path can be significantly reduced, and Compared with the conventional method, it is possible to stably remove the volatile scattered substances in the circulating hot air, and it is possible to produce a high quality film with few defects at an extremely low cost.
図はセラミック熱交換式高温場と熱交換器の組合せから
なる延伸フィルム製造装置の熱風循環装置部を含む揮発
性飛散物除去装置の断面図である。 図の主要部分の説明 １……セラミック熱交換式高温場 ２……燃焼管 ４……熱交換器 ５……入口ダクト ６……火炎バーナ ７……熱風の一部 ８……出口ダクト 14……揮発性飛散物除去装置 15……熱風循環装置部 16……ファン 17……モータ 18……熱風 19……循環経路 20……ノズル箱 22……フィルム 24……ヒータFIG. 1 is a cross-sectional view of a volatile scatterer removing device including a hot air circulating device part of a stretched film manufacturing apparatus including a combination of a ceramic heat exchange type high temperature field and a heat exchanger. Explanation of main parts of the figure 1 …… Ceramic heat exchange type high temperature field 2 …… Combustion tube 4 …… Heat exchanger 5 …… Inlet duct 6 …… Flame burner 7 …… Part of hot air 8 …… Outlet duct 14… … Volatile scatter removal device 15 …… Hot air circulation device 16 …… Fan 17 …… Motor 18 …… Hot air 19 …… Circulation path 20 …… Nozzle box 22 …… Film 24 …… Heater
───────────────────────────────────────────────────── フロントページの続き (72)発明者 草深 昇 愛知県名古屋市中村区岩塚町字高道１番 地 三菱重工業株式会社名古屋機器製作 所内 (56)参考文献 実開 昭64−48129（ＪＰ，Ｕ) 実開 平３−14545（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noboru Kusukaka No. 1 Takamichi, Iwazuka-cho, Nakamura-ku, Nagoya, Aichi Mitsubishi Heavy Industries, Ltd. Nagoya Machinery Works (56) References U) Actual Kaihei 3-14545 (JP, U)
Claims (1)
バーナで加熱されるセラミック熱交換式高温場、熱交換
器、及び前記セラミック熱交換式高温場に前記循環経路
より循環熱風の一部を前記熱交換器を介して導入し、再
び同熱交換器を介して前記熱風循環経路に戻すよう熱風
を循環させる入口及び出口ダクトよりなることを特徴と
する揮発性飛散物除去装置。1. A circulation path of hot air for heating a film, a high temperature field of a ceramic heat exchange type heated by a flame burner, a heat exchanger, and a part of hot air circulated from the circulation path to the high temperature field of ceramic heat exchange type. A volatile scattered matter removing device comprising an inlet and an outlet duct for introducing hot air through the heat exchanger and circulating hot air so as to return to the hot air circulation path through the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33477890A JP2691071B2 (en) | 1990-11-30 | 1990-11-30 | Volatile scatter remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33477890A JP2691071B2 (en) | 1990-11-30 | 1990-11-30 | Volatile scatter remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04201432A JPH04201432A (en) | 1992-07-22 |
| JP2691071B2 true JP2691071B2 (en) | 1997-12-17 |
Family
ID=18281131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33477890A Expired - Fee Related JP2691071B2 (en) | 1990-11-30 | 1990-11-30 | Volatile scatter remover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2691071B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4733303B2 (en) * | 2001-07-17 | 2011-07-27 | 株式会社日本製鋼所 | Tenta oven device |
-
1990
- 1990-11-30 JP JP33477890A patent/JP2691071B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04201432A (en) | 1992-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |