JPS63256166A - Method for drying band-shaped object - Google Patents
Method for drying band-shaped objectInfo
- Publication number
- JPS63256166A JPS63256166A JP8990787A JP8990787A JPS63256166A JP S63256166 A JPS63256166 A JP S63256166A JP 8990787 A JP8990787 A JP 8990787A JP 8990787 A JP8990787 A JP 8990787A JP S63256166 A JPS63256166 A JP S63256166A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- shaped object
- band
- drying
- heating plates
- 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
- 238000001035 drying Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 abstract 3
- 239000011261 inert gas Substances 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、例えば長尺のプラスチック製帯状物に塗液を
塗布して乾燥することにより写真感光材料を製造する際
の乾燥工程を改良するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention improves the drying process when manufacturing photographic materials, for example, by applying a coating liquid to a long plastic strip and drying it. It is something.
プラスチックシートあるいは紙などの長尺の支持体に各
種の積層あるいはコーティングを行なう写真感光材料そ
の他各種の製品は一般に所定の成分を有機溶剤に溶解あ
るいは分散した塗液を帯状物に塗布し、これを乾燥する
ことにより製造されている。Photographic light-sensitive materials and various other products in which various types of lamination or coating are applied to a long support such as a plastic sheet or paper are generally produced by coating a strip of material with a coating liquid in which predetermined components are dissolved or dispersed in an organic solvent. It is produced by drying.
この乾燥方法としては、従来は、塗液を塗布した帯状物
に熱風を吹きつける方法があった。そして、この乾燥方
法においては、熱風の風量、温度、流し方を制御するこ
とにより、帯状物を均一に乾燥していた。Conventionally, this drying method involves blowing hot air onto a strip coated with a coating liquid. In this drying method, the strip-like material was dried uniformly by controlling the volume, temperature, and flow direction of the hot air.
また、帯状物の上下に配設した加熱板からの放射熱によ
り乾燥させる方法もあった(特開昭60−149871
号公報)、そして、この乾燥方法においては、加熱板を
幅方向に分割して設け、各加熱板の加熱温度をそれぞれ
独立に調整して、帯状物を均一に乾燥していた。There was also a method of drying the strip using radiant heat from heating plates placed above and below it (Japanese Unexamined Patent Publication No. 149871/1986).
In this drying method, the heating plate is divided in the width direction, and the heating temperature of each heating plate is adjusted independently to uniformly dry the strip.
しかしながら、これらの帯状物を均一に乾燥する方法で
は、幅方向の微妙な温度調整が充分にできず、帯状物表
面に乾燥むらが発生するものであった。However, with these methods of uniformly drying a strip, delicate temperature control in the width direction cannot be made sufficiently, and uneven drying occurs on the surface of the strip.
本発明は、上記問題点を解消し、帯状物の塗面を均質に
乾燥することができる帯状物の乾燥方法を提供すること
を目的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and provide a method for drying a strip-shaped object, which can uniformly dry the coated surface of the strip-shaped object.
本発明者はこのような目的を達成すべく鋭意検討を行っ
た結果、加熱板と帯状物の間に遮熱板を設け、この遮熱
板を幅方向に移動させて帯状物に供給される放射熱を調
整すれば、幅方向に微妙な温度調整ができることを見出
し本発明を完成するに至った。As a result of intensive studies to achieve such an objective, the inventor of the present invention provided a heat shield plate between the heating plate and the strip-shaped object, and moved this heat shield plate in the width direction to supply the heat shield to the strip-shaped object. The present invention was completed by discovering that by adjusting the radiant heat, it is possible to finely adjust the temperature in the width direction.
すなわち本発明は、塗液が塗布された帯状物を上下に加
熱板が配設されたオーブン内を走行させつつ乾燥する方
法において、該加熱板と帯状物との間に設けた遮熱板を
帯状物の幅方向に移動させて加熱板からの放射熱を調整
し帯状物の塗面を均質に乾燥することを特徴とする帯状
物の乾燥方法に関するものである。That is, the present invention provides a method for drying a strip coated with a coating liquid while running it in an oven in which heating plates are disposed above and below, in which a heat shield plate is provided between the heating plate and the strip. The present invention relates to a method for drying a strip-shaped object, which is characterized in that the coated surface of the strip-shaped object is uniformly dried by moving the strip in the width direction to adjust radiant heat from a heating plate.
帯状物の種類は特に制限されるものではなく、各種プラ
スチックシート、紙、あるいは金属箔等の支持体に用途
に応じて必要な成分が可燃性有機溶剤に溶解あるいは分
散された塗液が塗布されているものである。The type of strip is not particularly limited, and a coating liquid in which the necessary components are dissolved or dispersed in a flammable organic solvent is applied to a support such as various plastic sheets, paper, or metal foil, depending on the purpose. It is something that
可燃性有機溶剤は溶解あるいは分散する成分などに応じ
て適当なものが選択されるが、例えばベンゼン、トルエ
ン、アルコール、アセトン、酢酸メチル、メチレングリ
コールなどである。An appropriate flammable organic solvent is selected depending on the components to be dissolved or dispersed, and examples thereof include benzene, toluene, alcohol, acetone, methyl acetate, and methylene glycol.
可燃性有機溶剤を含む塗液が塗布されている帯状物を帯
状物の上下に加熱板が配置されているオーブン内に進行
走行させることによって乾燥する。A strip coated with a coating liquid containing a flammable organic solvent is dried by moving it through an oven in which heating plates are placed above and below the strip.
加熱板は、走行する帯状物を加熱するもので、帯状物は
専らこの加熱板からの放射伝熱によって乾燥される。The heating plate heats the traveling strip, and the strip is dried exclusively by radiant heat transfer from the heating plate.
加熱板の温度は、要は帯状物を所定の程度まで乾燥しう
るように設定され、同じく帯状物の種類、サイズ及び走
行速度、有機溶剤の種類などを考慮して適宜設定される
。The temperature of the heating plate is, in short, set so as to dry the strip to a predetermined degree, and is appropriately set in consideration of the type, size and running speed of the strip, the type of organic solvent, etc.
加熱板への熱媒体としては、オイル、溶融金属、加熱水
蒸気等が利用される。Oil, molten metal, heated steam, etc. are used as a heat medium for the heating plate.
加熱板と帯状物との間に遮熱板が設けられ、この遮熱板
を帯状物の幅方向に移動させて加熱板から帯状物へ供給
される放射熱を調整する。この遮熱板は、加熱板からの
放射熱を遮ることができ、かつ帯状物の幅方向に移動自
在に設けられていればよい0例えば、表面を鏡面状態に
したステンレス鋼等で形成され、上下の加熱板の側端近
傍に平板状をして設けられる。A heat shield is provided between the heating plate and the strip, and the heat shield is moved in the width direction of the strip to adjust the radiant heat supplied from the heating plate to the strip. This heat shield plate can block radiant heat from the heating plate and is only required to be provided so as to be movable in the width direction of the strip. It is provided in the shape of a flat plate near the side ends of the upper and lower heating plates.
この遮熱板で帯状物の表面温度が均一になるように調整
するには、加熱板の温度、加熱板と帯状物の幅及びこれ
らの関係等を考慮し、上下の加熱板の側端近傍の4個所
に設けた場合は、各加熱板を幅方向に移動させ帯状物の
表面温度が均一になるようにする。そして、この状態で
遮熱板を固定し帯状物の乾燥を行う。In order to adjust the surface temperature of the strip to be uniform with this heat shield plate, consider the temperature of the heating plate, the width of the heating plate and the strip, and their relationship, and adjust the temperature near the side edges of the upper and lower heating plates. When the heating plates are provided at four locations, each heating plate is moved in the width direction so that the surface temperature of the strip becomes uniform. Then, in this state, the heat shield plate is fixed and the strip is dried.
オーブンは内部を不活性ガスで満たされていることが好
ましく、周囲に覆いを設け、帯状物の入口及び出口はス
リット状の最小限の開口にとどめるのがよい。The inside of the oven is preferably filled with an inert gas, a cover is provided around the oven, and the inlet and outlet of the strip are preferably kept to a minimum of slit-like openings.
不活性ガスはその雰囲気内における燃焼を阻止しうるガ
スであり、例えば窒素ガス、炭酸ガスなどである。オー
ブンに吹き込まれる不活性ガスの風量は、要はオーブン
から排出されるガスの溶剤濃度を一定値に保つように設
定され、帯状物の種類、サイズ及び走行速度、有機溶剤
の種類などを考慮して適宜設定される。The inert gas is a gas that can inhibit combustion in the atmosphere, such as nitrogen gas or carbon dioxide gas. The volume of inert gas blown into the oven is set to keep the solvent concentration of the gas exhausted from the oven at a constant value, taking into account the type, size and running speed of the strip, the type of organic solvent, etc. It is set as appropriate.
本発明の方法においては、オーブン内に設けられた加熱
板の間を走行させることにより、加熱板からの放射熱で
帯状物を乾燥させる。このとき、遮熱板を幅方向に移動
させて加熱板から帯状物に供給される放射熱の状態を調
整し、帯状物表面が均一な温度分布となる。これにより
帯状物表面の溶剤が均一に蒸発し、帯状物の塗面を均質
にする。In the method of the present invention, the strip is dried by radiant heat from the heating plates by running it between heating plates provided in an oven. At this time, the heat shield plate is moved in the width direction to adjust the state of the radiant heat supplied from the heating plate to the strip, so that the surface of the strip has a uniform temperature distribution. As a result, the solvent on the surface of the strip evaporates uniformly, making the coated surface of the strip uniform.
本発明による帯状物の乾燥方法の一実施例を第1図及び
第2図に基づいて説明する。An embodiment of the method for drying a strip according to the present invention will be described with reference to FIGS. 1 and 2.
第1図は帯状物の乾燥方法に利用される乾燥装置を帯状
物の進行方向に対して横から見た概略図、第2図は同上
帯状物の進行方向から見た概略図である。FIG. 1 is a schematic diagram of a drying apparatus used in the method for drying a strip, viewed from the side in the direction of travel of the strip, and FIG. 2 is a schematic diagram of the same as seen from the direction of travel of the strip.
これらの図に示すように、帯状物1は原反ロール2から
繰出され、公知の塗布装置3で塗液4が塗布される。そ
して、オーブン5内で乾燥され、巻取ロール6に巻取ら
れる。オーブン5は偏平な製函状の密閉形のものであり
、長手方向の両端面には、帯状物1が通るスリット状開
ロア、8が設けられている。As shown in these figures, a strip 1 is unwound from a raw roll 2 and coated with a coating liquid 4 using a known coating device 3. Then, it is dried in an oven 5 and wound onto a winding roll 6. The oven 5 is a flat box-like sealed type, and a slit-shaped open lower 8 through which the strip 1 passes is provided on both longitudinal end faces.
オーブン5内部には、帯状物1の走行路の上下に加熱板
9.10が設けられている。この加熱板9.10は、内
部を蒸気が流れる放射管と、熱を拡散放射するフィンと
、保温材と、枠とで形成されている。Inside the oven 5, heating plates 9 and 10 are provided above and below the travel path of the strip 1. This heating plate 9.10 is formed of a radiant tube through which steam flows, fins that diffuse and radiate heat, a heat insulating material, and a frame.
加熱板9.10と帯状物1の間であって加熱板9.10
の両側端近傍には、平板状の遮熱板11.12,13.
14が配設されている。この遮熱板11.12.13,
14は、外側方向から駆動装置15,16.17.18
によって支持され、駆動装置15.16.17.18の
作動により帯状物1の幅方向に移動自在となっている。Between the heating plate 9.10 and the strip 1, the heating plate 9.10
There are flat heat shield plates 11, 12, 13.
14 are arranged. This heat shield plate 11.12.13,
14 is a drive device 15, 16, 17, 18 from the outside direction
It is supported by and is movable in the width direction of the strip 1 by the operation of the drive device 15, 16, 17, 18.
なお、符号19は不活性ガスをオーブン5内に供給する
供給側送風機で、符号20は不活性ガスをオーブン5か
ら排出する排出側送風機である。そして、この送風機1
9には、加熱ヒータ、ガス供給装置等(図示せず)が連
結されている。Note that the reference numeral 19 is a supply side blower that supplies inert gas into the oven 5, and the reference numeral 20 is a discharge side blower that discharges the inert gas from the oven 5. And this blower 1
9 is connected to a heater, a gas supply device, etc. (not shown).
このような装置において、帯状物1は原反ロール2から
繰り出され、塗布装置3で塗液4を塗布されてオーブン
5内に進入する。オーブン5内は送風機19で送られた
不活性ガスで充満されており、そして上下の加熱板9.
10の放射熱で帯状物1に塗布された塗液4の溶剤が蒸
発する゛。このとき、駆動装置15.16.17.18
を作動させ、帯状物1に幅に応じて遮熱板11,12.
13.14を幅方向に移動させる。In such an apparatus, a strip 1 is unwound from a raw roll 2, coated with a coating liquid 4 by a coating device 3, and then entered into an oven 5. The inside of the oven 5 is filled with inert gas sent by a blower 19, and upper and lower heating plates 9.
The solvent of the coating liquid 4 applied to the strip 1 is evaporated by the radiant heat of 10. At this time, the drive device 15.16.17.18
is activated, and heat shield plates 11, 12, .
13.Move 14 in the width direction.
従って、帯状物1の表面は極めて均一な温度分布となり
、溶剤も均一な状態で蒸発する。Therefore, the surface of the strip 1 has an extremely uniform temperature distribution, and the solvent evaporates in a uniform state.
こうして帯状物1はオーブン5内を走行するにつれて徐
々に乾燥し、完全に乾燥した状態でオーブン5から出て
巻取ロール6に巻取られる。乾燥により蒸発した溶剤は
、不活性ガスとともに送風機20でオーブン5より排出
される。In this way, the strip 1 gradually dries as it travels through the oven 5, leaves the oven 5 in a completely dry state, and is wound onto the take-up roll 6. The solvent evaporated by drying is discharged from the oven 5 by the blower 20 together with the inert gas.
今、アルミニウムを支持体として感光液を塗布した帯状
物1をこのような装置を用いた方法で乾燥した。Now, a strip 1 coated with a photosensitive liquid using aluminum as a support was dried by a method using such an apparatus.
供給不活性ガス風温度90℃、加熱板9.10の温度は
上下とも100℃、帯状物1から上下の加熱板9.10
までの間隔は同一とし、遮熱板11,12.13.14
を幅方向に移動させて乾燥状態を調べた。その結果、上
の2つの遮熱板11,13の内側端の間隔が帯状物1の
幅よりも大きく、下の2つの遮熱板12.14の内側端
の間隔が帯状物1の幅に等しいか狭いとき、乾燥後の帯
状物1の塗面が最も均質であった。The temperature of the supplied inert gas air is 90°C, the temperature of the upper and lower heating plates 9.10 is 100°C, and the upper and lower heating plates 9.10 from the strip 1
The distance between the heat shield plates 11, 12, 13, and
The drying condition was examined by moving it in the width direction. As a result, the interval between the inner edges of the upper two heat shield plates 11 and 13 is larger than the width of the strip 1, and the interval between the inner edges of the lower two heat shield plates 12 and 14 is equal to the width of the strip 1. When equal or narrow, the coated surface of Strip 1 after drying was the most homogeneous.
本発明の方法は、遮熱板を幅方向に移動させて加熱板か
らの放射熱の供給状態を自由に調整するので、加熱板か
ら帯状物に供給される放射熱を最適の状態にでき、帯状
物の塗面を均質に乾燥することができる。The method of the present invention moves the heat shield plate in the width direction and freely adjusts the supply state of radiant heat from the heating plate, so that the radiant heat supplied from the heating plate to the strip can be optimized. The coated surface of the strip can be dried uniformly.
第1図は本発明による帯状物の乾燥方法に利用される乾
燥装置を帯状物の進行方向に対して横から見た概略図、
第2図は同上帯状物の進行方向から見た概略図である。
1・・・帯状物 4・・・塗液 5・・・オー
ブン9.10・・・加熱板 11.12.13.14
・・・遮熱板15、16.17.18・・・駆動装置第
1図
第2図FIG. 1 is a schematic diagram of a drying device used in the method of drying a strip according to the present invention, viewed from the side with respect to the traveling direction of the strip;
FIG. 2 is a schematic view of the same strip as seen from the traveling direction. 1... Band-shaped material 4... Coating liquid 5... Oven 9.10... Heating plate 11.12.13.14
... Heat shield plate 15, 16, 17, 18 ... Drive device Fig. 1 Fig. 2
Claims (1)
ーブン内を走行させつつ乾燥する方法において、該加熱
板と帯状物との間に設けた遮熱板を帯状物の幅方向に移
動させて加熱板からの放射熱を調整し帯状物の塗面を均
質に乾燥することを特徴とする帯状物の乾燥方法In a method of drying a strip coated with a coating liquid while running it in an oven with heating plates arranged above and below, a heat shield plate provided between the heating plate and the strip is used to dry the strip in the width direction of the strip. A method for drying a strip, which is characterized by uniformly drying the coated surface of the strip by adjusting the radiant heat from the heating plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8990787A JPS63256166A (en) | 1987-04-14 | 1987-04-14 | Method for drying band-shaped object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8990787A JPS63256166A (en) | 1987-04-14 | 1987-04-14 | Method for drying band-shaped object |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63256166A true JPS63256166A (en) | 1988-10-24 |
Family
ID=13983785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8990787A Pending JPS63256166A (en) | 1987-04-14 | 1987-04-14 | Method for drying band-shaped object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63256166A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005345092A (en) * | 2005-05-30 | 2005-12-15 | Toppan Printing Co Ltd | Drier |
-
1987
- 1987-04-14 JP JP8990787A patent/JPS63256166A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005345092A (en) * | 2005-05-30 | 2005-12-15 | Toppan Printing Co Ltd | Drier |
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