JPH0770780A - Washing device for oil deposits - Google Patents
Washing device for oil depositsInfo
- Publication number
- JPH0770780A JPH0770780A JP20243492A JP20243492A JPH0770780A JP H0770780 A JPH0770780 A JP H0770780A JP 20243492 A JP20243492 A JP 20243492A JP 20243492 A JP20243492 A JP 20243492A JP H0770780 A JPH0770780 A JP H0770780A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- cleaned
- cleaning agent
- oil
- drying
- 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
- Cleaning By Liquid Or Steam (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は油付着物の洗浄方装置係
り、特に金属部品等の被洗浄物に付着した油分を効率的
に洗浄除去する油付着物の洗浄装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cleaning oil deposits, and more particularly to a device for cleaning oil deposits that efficiently cleans and removes oil adhering to objects to be cleaned such as metal parts.
【０００２】[0002]
【従来の技術】精密機械部品、電気部品等の切削加工工
程では、被加工材料と切削工具との間の摩擦の低減、発
生する多量の摩擦熱の除去、切クズの洗い流し、切削工
具の寿命の延長、仕上面の平滑化等の目的で切削油等が
使われている。2. Description of the Related Art In the cutting process of precision machine parts, electric parts, etc., the friction between the work material and the cutting tool is reduced, a large amount of frictional heat generated is removed, chips are washed away, and the life of the cutting tool is shortened. Cutting oil, etc. is used for the purpose of extending the surface and smoothing the finished surface.
【０００３】従って、加工された材料にはこれらの油分
が付着するが、油分が付着したままでは製品とできない
場合が多い。このため、通常、このような部品の仕上げ
工程では、有機溶剤を用いて油分の洗浄除去を行なって
いる。Therefore, although these oils adhere to the processed material, it is often impossible to obtain a product if the oils remain adhered. For this reason, in the finishing process of such parts, oil components are usually washed and removed using an organic solvent.
【０００４】従来、このような油分の洗浄除去に用いら
れる有機溶剤としては、ケロシン、ベンゼン、キシレン
等の炭化水素系溶剤、トリクロロエチレン、テトラクロ
ロエチレン等の塩素系溶剤、トリクロロトリフルオロエ
タン等のフロン系溶剤が知られている。特に、電子、電
気、機械等の部品には高洗浄性、不燃性という特性を有
するフロン系又は塩素系の溶剤が使用されている。Conventionally, as an organic solvent used for washing and removing such oil, hydrocarbon solvents such as kerosene, benzene and xylene, chlorine solvents such as trichloroethylene and tetrachloroethylene, and freon solvents such as trichlorotrifluoroethane. It has been known. In particular, CFC-based or chlorine-based solvents, which have characteristics of high cleanability and nonflammability, are used for electronic, electrical, mechanical and other parts.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来の有機溶剤のうち、炭化水素系溶剤、特にベンゼン、
キシレン等は毒性が高く、労働安全法上の有害物に指定
されている化合物であるため、これらを取り扱う作業の
危険性及び煩雑さ等の面で問題がある。また、上記塩素
系又はフロン系の溶剤は、安全性、毒性、環境汚染等の
面で大きな問題を有している。However, among the above-mentioned conventional organic solvents, hydrocarbon solvents, especially benzene,
Since xylene and the like are highly toxic and are compounds designated as harmful substances under the Industrial Safety Law, there are problems in terms of the danger and complexity of handling these. Further, the chlorine-based or chlorofluorocarbon-based solvents have major problems in terms of safety, toxicity, environmental pollution and the like.
【０００６】一方で、洗浄後、被洗浄物に付着している
洗浄液を効率的に除去することも重要な要件である。On the other hand, it is also an important requirement to efficiently remove the cleaning liquid adhering to the object to be cleaned after cleaning.
【０００７】本発明は上記従来の問題点を解決し、油類
等の脱脂洗浄性に優れ、且つ、安全性及び作業環境衛生
性が良好で、環境汚染の問題のない油付着物の洗浄装置
であって、洗浄後、被洗浄物に付着している洗浄液を効
率的に除去することができる油付着物の洗浄装置を提供
することを目的とする。The present invention solves the above-mentioned conventional problems, is excellent in degreasing and cleaning properties of oils, etc., is good in safety and working environment hygiene, and is a cleaning device for oil deposits which does not cause environmental pollution problems. It is an object of the present invention to provide a cleaning device for oily deposits, which can efficiently remove the cleaning liquid attached to the object to be cleaned after cleaning.
【０００８】[0008]
【課題を解決するための手段】本発明の油付着物の洗浄
装置は、表面に油分が付着した被洗浄物をＮ−メチル−
２−ピロリドンを含む洗浄剤で洗浄する洗浄部、該洗浄
された被洗浄物に熱水蒸気を吹き付ける手段を有してお
り、該被洗浄物に付着している洗浄剤を除去する洗浄剤
除去部、及び、該洗浄剤除去処理された被洗浄物の表面
に付着する水分を乾燥除去する乾燥部を備えてなること
を特徴とする。SUMMARY OF THE INVENTION The apparatus for cleaning oil-deposited material according to the present invention is designed to clean an object to be cleaned with oil on its surface by N-methyl-
A cleaning section for cleaning with a cleaning agent containing 2-pyrrolidone, and a cleaning agent removing section for removing the cleaning agent adhering to the cleaned object, which has means for blowing hot steam to the cleaned object. And a drying unit for drying and removing moisture adhering to the surface of the cleaning target object that has been subjected to the cleaning agent removal treatment.
【０００９】以下、本発明の構成についてさらに詳細に
説明する。The structure of the present invention will be described in more detail below.
【００１０】本発明で使用される油付着物の洗浄剤は、
Ｎ−メチル−２−ピロリドンを有効成分として含有する
ものであり、通常の場合、Ｎ−メチル−２−ピロリドン
と水との混合物として使用される。この場合、Ｎ−メチ
ル−２−ピロリドンの含有量は通常４０重量％以上、好
ましくは５０〜８５重量％で、水の含有量は、通常６０
重量％以下、好ましくは１５〜５０重量％の範囲とする
のが好適である。Ｎ−メチル−２−ピロリドンの含有量
が４０重量％未満では油分の脱脂洗浄効果が低い。The detergent for oily deposits used in the present invention is
It contains N-methyl-2-pyrrolidone as an active ingredient and is usually used as a mixture of N-methyl-2-pyrrolidone and water. In this case, the content of N-methyl-2-pyrrolidone is usually 40% by weight or more, preferably 50 to 85% by weight, and the content of water is usually 60.
It is suitable to set the content in the range of not more than 15% by weight, preferably in the range of 15 to 50% by weight. When the content of N-methyl-2-pyrrolidone is less than 40% by weight, the degreasing and cleaning effect of oil is low.
【００１１】このような洗浄剤を用いる洗浄方式として
は、浸漬法、超音波洗浄法、揺動法、スプレー法等の各
種の洗浄方式を採用することができ、その処理温度は、
２０〜１００℃、望ましくは４０〜８０℃の温度として
被洗浄物に付着した油分を脱脂洗浄する。As a cleaning method using such a cleaning agent, various cleaning methods such as a dipping method, an ultrasonic cleaning method, a rocking method, and a spray method can be adopted, and the processing temperature is
The oil content adhering to the object to be cleaned is degreased and washed at a temperature of 20 to 100 ° C, preferably 40 to 80 ° C.
【００１２】本発明においては、洗浄された被洗浄物に
付着する洗浄剤を熱水蒸気を吹き付けて吹き飛ばして除
去することにより、水洗浄による洗浄剤除去方式に比べ
て、使用水量を減らし、廃水処理の負担を軽減させるこ
とができる。この場合、熱水蒸気の吹き付け量及び吹き
付け速度は、被洗浄物に付着する洗浄剤が短時間で吹き
飛ばされて除去される量とするのが好ましい。In the present invention, the cleaning agent adhering to the cleaned object is blown off with hot steam to remove the cleaning agent, thereby reducing the amount of water used and treating the wastewater as compared with the cleaning agent removal method by water cleaning. It is possible to reduce the burden of. In this case, it is preferable that the spraying amount and the spraying speed of the hot steam be set such that the cleaning agent adhering to the object to be cleaned is blown off and removed in a short time.
【００１３】本発明において、洗浄剤除去に用いる熱水
蒸気は通常温度９０℃以上、特に１００〜１３０℃とす
るのが好ましく、この熱水蒸気は、被洗浄物が精密部品
の場合には純水から得られたものであることが望まし
い。この熱水蒸気の吹き付け量は、被洗浄物の表面積１
ｍ2 当り、通常６０〜６０００ｋｇ／ｈｒ程度とするの
が好ましい。In the present invention, it is preferable that the temperature of the hot steam used for removing the cleaning agent is usually 90 ° C. or higher, particularly 100 to 130 ° C. This hot steam is pure water when the object to be cleaned is a precision part. It is desirable that it is obtained. The amount of hot steam sprayed is 1 surface area of the object to be cleaned.
Usually, it is preferable to set it to about 60 to 6000 kg / hr per m 2 .
【００１４】上記洗浄剤の除去処理がなされた被洗浄物
の乾燥装置としては、通常用いられる、ガス吹き付け、
熱風吹き付け、又は単なる高温乾燥器による乾燥などが
採用される。As a device for drying an object to be cleaned from which the cleaning agent has been removed, a gas sprayer, which is usually used,
Hot air blowing, or simply drying with a high temperature drier is adopted.
【００１５】搬送装置としては、通常用いられる種々の
形式、例えば、ベルトコンベアー式、チェーンブロック
式等を採用できる。As the conveying device, various types that are usually used, such as a belt conveyor type and a chain block type, can be adopted.
【００１６】本発明において洗浄処理対象となる油分が
付着した被洗浄物としては、電子部品、電機部品、精密
機械部品、樹脂加工部品、光学部品等の精密部品、機械
部品、自動車部品及びその組立加工工程に使用される治
工具類等が挙げられる。具体的には、電子部品としては
プリント配線基板、ＩＣリードフレーム、コンデンサ
ー、液晶表示器、半導体材料等が挙げられる。電機部品
としては、コータ用コア等の部品、マグネット、ブラ
シ、ハウジングなどの電動機部品等が挙げられる。精密
機械部品としてはベアリング、ミシン部品、加工用部品
等が挙げられる。光学部品としては、レンズ等が挙げら
れる。機械部品としては軸受、歯車、各種機械部品等が
挙げられる。自動車用部品としてはエンジン部品、ミッ
ションギヤ、キャブレター等が挙げられる。また、この
ような部品の組立加工工程で使用される治具、工具類と
しては、上記精密部品を製造、成形、加工、組立、仕上
げ等の各種工程において取り扱われる治具、工具等が挙
げられる。In the present invention, the object to be cleaned to which the oil content is attached is an electronic part, an electric part, a precision machine part, a resin machined part, a precision part such as an optical part, a machine part, an automobile part and its assembly. Examples include jigs and tools used in processing steps. Specifically, examples of electronic components include printed wiring boards, IC lead frames, capacitors, liquid crystal displays, and semiconductor materials. Examples of electric machine parts include parts such as a core for a coater, electric motor parts such as a magnet, a brush, and a housing. Examples of precision machine parts include bearings, sewing machine parts, and processing parts. Examples of the optical component include a lens. The mechanical parts include bearings, gears, various mechanical parts, and the like. Examples of automobile parts include engine parts, transmission gears, and carburetors. Further, examples of jigs and tools used in such an assembly process of parts include jigs and tools handled in various processes such as manufacturing, molding, processing, assembling, and finishing of the precision parts. .
【００１７】これらの被洗浄物に付着する油分としては
油脂、機械油、切削油、グリース等が挙げられる。Examples of the oil adhering to the objects to be cleaned include fats and oils, machine oils, cutting oils, greases and the like.
【００１８】[0018]
【作用】Ｎ−メチル−２−ピロリドンによれば、油類等
の脱脂洗浄性に優れ、且つ、安全性及び作業環境衛生性
が良好で環境汚染性のない優れた洗浄剤が提供される。According to N-methyl-2-pyrrolidone, an excellent cleaning agent having excellent degreasing and cleaning properties for oils and the like, good safety and good working environment hygiene and free of environmental pollution is provided.
【００１９】このような洗浄剤で被洗浄物を洗浄した
後、熱水蒸気を吹き付けて被洗浄物に付着している洗浄
剤を除去し、次いで乾燥することにより、洗浄廃水量を
低減して、廃水処理コストの低廉価を図ることができ
る。After cleaning the object to be cleaned with such a cleaning agent, hot water vapor is sprayed to remove the cleaning agent adhering to the object to be cleaned, and then dried to reduce the amount of cleaning waste water. It is possible to reduce the cost of wastewater treatment.
【００２０】Ｎ−メチル−２−ピロリドンのような高沸
点有機成分を用いて洗浄を行なう場合、通常の水洗浄で
は、Ｎ−メチル−２−ピロリドン成分が残存し、これが
その後の乾燥により乾燥面で障害となるが、本発明によ
る熱水蒸気を用いる洗浄剤除去処理では、洗浄剤を少な
い熱水蒸気量で効率的に除去することができる。しか
も、その後の乾燥に際しては、熱水蒸気で加熱された被
洗浄物を乾燥するため、乾燥効率は著しく良好である。When washing is performed using a high-boiling-point organic component such as N-methyl-2-pyrrolidone, normal water washing leaves the N-methyl-2-pyrrolidone component, which is dried to dry the surface. However, in the cleaning agent removal treatment using hot steam according to the present invention, the cleaning agent can be efficiently removed with a small amount of hot steam. Moreover, in the subsequent drying, since the article to be cleaned heated by hot steam is dried, the drying efficiency is remarkably good.
【００２１】[0021]
【実施例】以下に図面を参照して本発明の実施例につい
て説明する。図１は本発明の油付着物の洗浄装置の一実
施例を示す断面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing an embodiment of the apparatus for cleaning oily deposits of the present invention.
【００２２】図示の洗浄装置は、表面に油分が付着した
被洗浄物１０をＮ−メチル−２−ピロリドンを含む洗浄
剤１１で脱脂洗浄処理する洗浄部１と、該洗浄部１を経
た被洗浄物１０に付着した洗浄剤を熱水蒸気で吹き飛ば
して除去する洗浄剤除去部２と、該洗浄剤除去部２を経
た被洗浄物１０の表面に付着している水分を熱風で吹き
飛ばして乾燥除去する乾燥部３と、被洗浄物１０を、網
篭４に入れて吊持してこれら洗浄部１、洗浄剤除去部
２、及び乾燥部３を経て移送する搬送装置５とで主に構
成される。The cleaning apparatus shown in the figure has a cleaning section 1 for degreasing and cleaning a cleaning object 10 having oil on its surface with a cleaning agent 11 containing N-methyl-2-pyrrolidone, and a cleaning section that has passed through the cleaning section 1. The cleaning agent removing unit 2 that blows away the cleaning agent that has adhered to the object 10 with hot steam, and the moisture that has adhered to the surface of the object to be cleaned 10 that has passed through the cleaning agent removal unit 2 is blown off with hot air and dried. The drying unit 3 and the cleaning device 10 are mainly configured to include a cleaning device 1, a cleaning device 1, a cleaning agent removing unit 2, and a transporting device 5 that transfers the cleaning target 10 by suspending the cleaning target object 10 in a net basket 4. .
【００２３】洗浄部１は、洗浄剤１１を収容する洗浄槽
１２、洗浄槽１２の温度調節を行なうための、熱媒の導
入口１３Ａ及び排出口１３Ｂを有するジャケット１３、
洗浄槽１２の下部に設けられた、スプレーノズル１４Ａ
を有する空気又は窒素等のガスのスプレーヘッダー１
４、及び洗浄剤１１中を浮上した油分（油膜１５）を分
離回収するための図示しない油除去装置で主に構成され
る。The cleaning unit 1 includes a cleaning tank 12 containing a cleaning agent 11, a jacket 13 having a heat medium inlet 13A and a heat outlet 13B for adjusting the temperature of the cleaning tank 12.
A spray nozzle 14A provided at the bottom of the cleaning tank 12
With air or gas such as nitrogen spray header 1
4 and an oil removing device (not shown) for separating and collecting the oil component (oil film 15) floating in the cleaning agent 11.
【００２４】洗浄剤除去部２は、蓋２１Ａを有し、底部
にドレン回収用の排出口２１Ｂを有する洗浄剤除去槽２
１と、熱水蒸気を被洗浄物１０に吹き付けるスプレーノ
ズル２２Ａを有するスプレーヘッダー２２とで主に構成
される。The cleaning agent removing section 2 has a lid 21A and a cleaning agent removing tank 2 having a drain outlet 21B for collecting drains.
1 and a spray header 22 having a spray nozzle 22A for spraying hot steam onto the article to be cleaned 10.
【００２５】また、乾燥部３は、蓋３１Ａを有する乾燥
槽３１と、被洗浄物１０に熱風（加熱空気）を吹き付け
るスプレーノズル３２Ａを有するスプレーヘッダー３２
とで主に構成される。Further, the drying section 3 has a drying tank 31 having a lid 31A and a spray header 32 having a spray nozzle 32A for blowing hot air (heating air) onto the article to be cleaned 10.
Mainly consists of and.
【００２６】本実施例の洗浄装置によれば、被洗浄物１
０が搬送装置５により順次図面で右側へ移送され、各処
理部の槽上に位置したときに、網篭４が降下され、処理
後再び引き上げて次の工程へ移送される。According to the cleaning apparatus of this embodiment, the object to be cleaned 1
0 is sequentially transferred to the right side in the drawing by the transfer device 5, and when it is located on the tank of each processing unit, the net cage 4 is lowered, and after processing, it is pulled up again and transferred to the next step.
【００２７】即ち、被洗浄物１０は、まず、洗浄部１の
洗浄槽１２内の洗浄剤１１中に浸漬され洗浄処理され
る。この洗浄処理にあたっては、空気又は窒素ガスをス
プレーヘッダー１４を通してスプレーノズル１４Ａによ
り吹き込み分散させ、被洗浄物１０にガス分散流が当た
るようにして付着している油を剥離除去させる。That is, the article to be cleaned 10 is first immersed in the cleaning agent 11 in the cleaning tank 12 of the cleaning section 1 to be cleaned. In this cleaning process, air or nitrogen gas is blown through the spray header 14 by the spray nozzle 14A to be dispersed, and the adhered oil is peeled off so that the gas dispersion flow hits the object to be cleaned 10.
【００２８】被洗浄物１０から剥離され、洗浄剤１１の
上部に浮上した油分は、若干の洗浄液と共にオイルスキ
マー装置等の油分除去装置により分離回収される。The oil separated from the object to be cleaned 10 and floated above the cleaning agent 11 is separated and collected together with some cleaning liquid by an oil removing device such as an oil skimmer device.
【００２９】このようにして油分の洗浄除去を行なった
後は、被洗浄物１０を引き上げ、次工程の洗浄剤除去部
２に移送し、洗浄剤除去槽２１内に降下させ、蓋２１Ａ
を装着した状態で、スプレーヘッダー２２及びスプレー
ノズル２２Ａより熱水蒸気を被洗浄物１０に吹き付け、
被洗浄物に付着している洗浄剤の除去を行なう。この
際、除去された洗浄剤及び水蒸気ドレン分は、排出口２
１Ｂより槽外へ排出されて回収される。After the oil has been washed and removed in this way, the article to be washed 10 is pulled up, transferred to the detergent removing section 2 in the next step, lowered into the detergent removing tank 21, and the lid 21A.
Spraying hot steam onto the object to be cleaned 10 from the spray header 22 and the spray nozzle 22A.
The cleaning agent adhering to the object to be cleaned is removed. At this time, the removed cleaning agent and steam drain are discharged through the discharge port 2
It is discharged from the tank 1B and collected.
【００３０】熱水蒸気処理を行なった被洗浄物１０は、
次いで、乾燥部３へ移送し、乾燥槽３１内に降下させ
て、蓋３１Ａを装着した状態でスプレーヘッダー３２及
びスプレーノズル３２Ａより熱風を被洗浄物に吹き付け
て、付着水分の乾燥除去を行なう。この乾燥処理にあた
り、被洗浄物１０は、前工程で熱水蒸気を吹き付けられ
て温度が上昇した状態となっているため、乾燥処理時間
及び熱風量は、従来の水洗浄方式に比べて大幅に短縮な
いし軽減される。The object 10 to be cleaned which has been subjected to the hot steam treatment is
Next, it is transferred to the drying unit 3, lowered into the drying tank 31, and hot air is blown onto the article to be cleaned from the spray header 32 and the spray nozzle 32A with the lid 31A attached, to dry and remove the attached moisture. In this drying process, the article to be cleaned 10 is in a state in which the temperature has risen due to the blowing of hot steam in the previous step, so the drying process time and the hot air volume are significantly shortened compared to the conventional water cleaning method. Or reduced.
【００３１】この乾燥後の被洗浄物は、再び引き上げら
れて、搬送装置５により系外へ搬送され、製品化され
る。The article to be cleaned after drying is pulled up again and conveyed by the conveying device 5 to the outside of the system to be commercialized.
【００３２】以下に実施例及び比較例を挙げて、本発明
をより具体的に説明する。The present invention will be more specifically described below with reference to Examples and Comparative Examples.
【００３３】実施例１ 油分が付着したテストピース（材質：ＳＳ４１、大き
さ：２．９８ｃｍ×４．９８ｃｍ×０．３ｃｍ厚さ）２
０枚を網篭に入れ、図１に示す装置により、Ｎ−メチル
−２−ピロリドン（ＮＭＰ）と水との混合物からなる洗
浄剤（ＮＭＰ：水＝８５：１５（重量比））を用いて７
０℃で３分間洗浄処理した後、洗浄剤除去槽に入れ、熱
水蒸気（１００℃）を被洗浄物の網篭面積当り６００ｋ
ｇ／ｍ2 ／ｈｒで３分間吹き付けた。その後、乾燥槽で
熱風（９０℃）を被洗浄物に当たるように、被洗浄物網
篭面積当り７Ｎｍ3 ／ｍ2 ／ｈｒで１分間吹き付けた。Example 1 Test piece with oil attached (material: SS41, size: 2.98 cm × 4.98 cm × 0.3 cm thickness) 2
0 sheets were placed in a basket and a cleaning agent (NMP: water = 85: 15 (weight ratio)) consisting of a mixture of N-methyl-2-pyrrolidone (NMP) and water was used by the apparatus shown in FIG. 7
After cleaning at 0 ° C for 3 minutes, put it in the cleaning agent removal tank and apply hot steam (100 ° C) to the area to be cleaned 600 k per net basket area.
Sprayed at g / m 2 / hr for 3 minutes. Then, hot air (90 ° C.) was blown in the drying tank at 7 Nm 3 / m 2 / hr for 1 minute per area of the net basket to be cleaned so as to hit the object to be cleaned.
【００３４】このようにして処理したテストピースにつ
いて、乾燥状態を、表面の肉眼観察、セロテープの付着
性、白布でふきとったときの白布汚れ度により評価し、
結果を表１に示した。With respect to the test piece thus treated, the dry state was evaluated by visual observation of the surface, adhesion of cellophane tape, and degree of white cloth stain when wiped with a white cloth.
The results are shown in Table 1.
【００３５】比較例１ 実施例１において、熱水蒸気による洗浄剤除去処理を行
なわず、また、常温の風により乾燥を行なったこと以外
は同様にして表面状態を調べ結果を表１に示した。Comparative Example 1 The surface condition was examined in the same manner as in Example 1 except that the cleaning agent removal treatment with hot steam was not performed, and the drying was performed with air at room temperature. The results are shown in Table 1.
【００３６】比較例２ 実施例１において、熱水蒸気による洗浄剤除去処理を行
なわず、また、熱風乾燥処理時間を１０分としたこと以
外は同様にして表面状態を調べ結果を表１に示した。Comparative Example 2 The surface condition was examined in the same manner as in Example 1 except that the cleaning agent removal treatment with hot steam was not performed and the hot air drying treatment time was 10 minutes, and the results are shown in Table 1. .
【００３７】比較例３、４ 実施例１において、熱水蒸気による洗浄剤除去処理の代
りに水洗を３分又は１５分間としたこと、及び、熱風乾
燥処理時間を１０分としたこと以外は同様にして表面状
態を調べ結果を表１に示した。Comparative Examples 3 and 4 In the same manner as in Example 1, except that the washing with water was carried out for 3 minutes or 15 minutes instead of the cleaning agent removal treatment with hot steam, and the hot air drying treatment time was 10 minutes. The surface condition was examined by using the table and the results are shown in Table 1.
【００３８】[0038]
【表１】 [Table 1]
【００３９】表１より、本発明の装置によれば、テスト
ピースに付着した油を短時間で効率的に除去、乾燥する
ことができることが明らかである。From Table 1, it is clear that the device of the present invention can efficiently remove and dry the oil adhering to the test piece in a short time.
【００４０】[0040]
【発明の効果】以上詳述した通り、本発明の油付着物の
洗浄装置によれば、油分の脱脂洗浄効果に優れ、しか
も、安全性及び作業環境衛生性が良好で、環境汚染のお
それのない、良好な洗浄剤を用い油が付着した被洗浄物
を効率的に洗浄できると共に、残留する洗浄剤を短時間
で効率的に除去し、且つ乾燥することができる。また、
本発明では、油分の脱脂洗浄効果に優れ、しかも、安全
性及び作業環境衛生性が良好で、環境汚染のおそれのな
い、良好な洗浄剤を用いるので、洗浄廃水量の低減、廃
水処理コストの低減を図ることができる。As described in detail above, according to the apparatus for cleaning oily deposits of the present invention, the effect of degreasing and cleaning oil components is excellent, the safety and the working environment hygiene are good, and the risk of environmental pollution is high. It is possible to efficiently clean the object to be cleaned to which the oil adheres by using a good cleaning agent which is not present, and to efficiently remove the remaining cleaning agent in a short time and dry it. Also,
In the present invention, excellent degreasing and cleaning effect of oil content, and further, safety and work environment hygiene are good, there is no risk of environmental pollution, since a good cleaning agent is used, reduction of the amount of cleaning wastewater, wastewater treatment cost It can be reduced.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の油付着物の洗浄装置の一実施例を示す
断面図である。FIG. 1 is a sectional view showing an embodiment of a device for cleaning oily deposits of the present invention.
１ 洗浄部 ２ 洗浄剤除去部 ３ 乾燥部 ４ 網篭 １０ 被洗浄物 １１ 洗浄剤 １２ 洗浄槽 １３ ジャケット １４、２２、３２ スプレーヘッダー １４Ａ、２２Ａ、３２Ａ スプレーノズル ２１ 洗浄剤除去槽 ３１ 乾燥槽 1 Cleaning Section 2 Cleaning Agent Removal Section 3 Drying Section 4 Net Basket 10 Cleaning Object 11 Cleaning Agent 12 Cleaning Tank 13 Jacket 14, 22, 32 Spray Header 14A, 22A, 32A Spray Nozzle 21 Cleaning Agent Removal Tank 31 Drying Tank
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成６年１月２１日[Submission date] January 21, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【書類名】 明細書[Document name] Statement
【発明の名称】 油付着物の洗浄装置Device for cleaning oily deposits
【特許請求の範囲】[Claims]
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】本発明は油付着物の洗浄方装置係
り、特に金属部品等の被洗浄物に付着した油分を効率的
に洗浄除去する油付着物の洗浄装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cleaning oil deposits, and more particularly to a device for cleaning oil deposits that efficiently cleans and removes oil adhering to objects to be cleaned such as metal parts.
【０００２】[0002]
【従来の技術】精密機械部品、電気部品等の切削加工工
程では、被加工材料と切削工具との間の摩擦の低減、発
生する多量の摩擦熱の除去、切クズの洗い流し、切削工
具の寿命の延長、仕上面の平滑化等の目的で切削油等が
使われている。2. Description of the Related Art In the cutting process of precision machine parts, electric parts, etc., the friction between the work material and the cutting tool is reduced, a large amount of frictional heat generated is removed, chips are washed away, and the life of the cutting tool is shortened. Cutting oil, etc. is used for the purpose of extending the surface and smoothing the finished surface.
【０００３】従って、加工された材料にはこれらの油分
が付着するが、油分が付着したままでは製品とできない
場合が多い。このため、通常、このような部品の仕上げ
工程では、有機溶剤を用いて油分の洗浄除去を行なって
いる。Therefore, although these oils adhere to the processed material, it is often impossible to obtain a product if the oils remain adhered. For this reason, in the finishing process of such parts, oil components are usually washed and removed using an organic solvent.
【０００４】従来、このような油分の洗浄除去に用いら
れる有機溶剤としては、ケロシン、ベンゼン、キシレン
等の炭化水素系溶剤、トリクロロエチレン、テトラクロ
ロエチレン等の塩素系溶剤、トリクロロトリフルオロエ
タン等のフロン系溶剤が知られている。特に、電子、電
気、機械等の部品には高洗浄性、不燃性という特性を有
するフロン系又は塩素系の溶剤が使用されている。Conventionally, as an organic solvent used for washing and removing such oil, hydrocarbon solvents such as kerosene, benzene and xylene, chlorine solvents such as trichloroethylene and tetrachloroethylene, and freon solvents such as trichlorotrifluoroethane. It has been known. In particular, CFC-based or chlorine-based solvents, which have characteristics of high cleanability and nonflammability, are used for electronic, electrical, mechanical and other parts.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来の有機溶剤のうち、炭化水素系溶剤、特にベンゼン、
キシレン等は毒性が高く、労働安全法上の有害物に指定
されている化合物であるため、これらを取り扱う作業の
危険性及び煩雑さ等の面で問題がある。また、上記塩素
系又はフロン系の溶剤は、安全性、毒性、環境汚染等の
面で大きな問題を有している。However, among the above-mentioned conventional organic solvents, hydrocarbon solvents, especially benzene,
Since xylene and the like are highly toxic and are compounds designated as harmful substances under the Industrial Safety Law, there are problems in terms of the danger and complexity of handling these. Further, the chlorine-based or chlorofluorocarbon-based solvents have major problems in terms of safety, toxicity, environmental pollution and the like.
【０００６】一方で、洗浄後、被洗浄物に付着している
洗浄液を効率的に除去することも重要な要件である。On the other hand, it is also an important requirement to efficiently remove the cleaning liquid adhering to the object to be cleaned after cleaning.
【０００７】本発明は上記従来の問題点を解決し、油類
等の脱脂洗浄性に優れ、且つ、安全性及び作業環境衛生
性が良好で、環境汚染の問題のない油付着物の洗浄装置
であって、洗浄後、被洗浄物に付着している洗浄液を効
率的に除去することができる油付着物の洗浄装置を提供
することを目的とする。The present invention solves the above-mentioned conventional problems, is excellent in degreasing and cleaning properties of oils, etc., is good in safety and working environment hygiene, and is a cleaning device for oil deposits which does not cause environmental pollution problems. It is an object of the present invention to provide a cleaning device for oily deposits, which can efficiently remove the cleaning liquid attached to the object to be cleaned after cleaning.
【０００８】[0008]
【課題を解決するための手段】本発明の油付着物の洗浄
装置は、表面に油分が付着した被洗浄物を洗浄剤で洗浄
する洗浄部、該洗浄された被洗浄物に熱水蒸気を吹き付
ける手段を有しており、該被洗浄物に付着している洗浄
剤を除去する洗浄剤除去部、及び、該洗浄剤除去処理さ
れた被洗浄物の表面に付着する水分を乾燥除去する乾燥
部を備えてなることを特徴とする。The apparatus for cleaning oil-deposited objects of the present invention is a cleaning unit for cleaning an object to be cleaned having oil adhered to its surface with a cleaning agent, and hot steam is sprayed onto the cleaned object. A cleaning agent removing unit for removing the cleaning agent adhering to the object to be cleaned, and a drying unit for drying and removing water adhering to the surface of the object to be cleaned that has been subjected to the cleaning agent removal treatment. It is characterized by comprising.
【０００９】以下、本発明の構成についてさらに詳細に
説明する。The structure of the present invention will be described in more detail below.
【００１０】本発明で使用される油付着物の洗浄剤とし
ては、Ｎ−メチル−２−ピロリドンを有効成分として含
有するものが好ましく、通常の場合、Ｎ−メチル−２−
ピロリドンと水との混合物として使用するのが好まし
い。この場合、Ｎ−メチル−２−ピロリドンの含有量は
通常４０重量％以上、好ましくは５０〜８５重量％で、
水の含有量は、通常６０重量％以下、好ましくは１５〜
５０重量％の範囲とするのが好適である。Ｎ−メチル−
２−ピロリドンの含有量が４０重量％未満では油分の脱
脂洗浄効果が低い。As the detergent for oily deposits used in the present invention, those containing N-methyl-2-pyrrolidone as an active ingredient are preferable, and normally N-methyl-2-pyrrolidone is used.
It is preferably used as a mixture of pyrrolidone and water. In this case, the content of N-methyl-2-pyrrolidone is usually 40% by weight or more, preferably 50 to 85% by weight,
The content of water is usually 60% by weight or less, preferably 15 to
The preferred range is 50% by weight. N-methyl-
If the content of 2-pyrrolidone is less than 40% by weight, the degreasing and cleaning effect of oil is low.
【００１１】Ｎ−メチル−２−ピロリドンによれば、油
類等の脱脂洗浄性に優れ、且つ、安全性及び作業環境衛
生性が良好で環境汚染性のない優れた洗浄剤が提供され
る。According to N-methyl-2-pyrrolidone, an excellent cleaning agent that is excellent in degreasing and cleaning properties of oils and the like, has good safety and good working environment hygiene and is free of environmental pollution is provided.
【００１２】本発明における洗浄方式としては、浸漬
法、超音波洗浄法、揺動法、スプレー法等の各種の洗浄
方式を採用することができ、その処理温度は、２０〜１
００℃、望ましくは４０〜８０℃の温度として被洗浄物
に付着した油分を脱脂洗浄する。As the cleaning method in the present invention, various cleaning methods such as an immersion method, an ultrasonic cleaning method, a rocking method, and a spray method can be adopted, and the processing temperature is 20 to 1
The oil content adhering to the object to be cleaned is degreased and cleaned at a temperature of 00 ° C, preferably 40 to 80 ° C.
【００１３】本発明においては、洗浄された被洗浄物に
付着する洗浄剤を熱水蒸気を吹き付けて吹き飛ばして除
去することにより、水洗浄による洗浄剤除去方式に比べ
て、使用水量を減らし、廃水処理の負担を軽減させるこ
とができる。この場合、熱水蒸気の吹き付け量及び吹き
付け速度は、被洗浄物に付着する洗浄剤が短時間で吹き
飛ばされて除去される量とするのが好ましい。In the present invention, the cleaning agent adhering to the cleaned object is removed by blowing hot steam to blow off the cleaning agent, thereby reducing the amount of water used and treating the wastewater as compared with the cleaning agent removal method by water cleaning. It is possible to reduce the burden of. In this case, it is preferable that the spraying amount and the spraying speed of the hot steam be set such that the cleaning agent adhering to the object to be cleaned is blown off and removed in a short time.
【００１４】本発明において、洗浄剤除去に用いる熱水
蒸気は通常温度９０℃以上、特に１００〜１３０℃とす
るのが好ましく、この熱水蒸気は、被洗浄物が精密部品
の場合には純水から得られたものであることが望まし
い。この熱水蒸気の吹き付け量は、被洗浄物の表面積１
ｍ2 当り、通常６０〜６０００ｋｇ／ｈｒ程度とするの
が好ましい。In the present invention, it is preferable that the hot steam used for removing the cleaning agent has a normal temperature of 90 ° C. or higher, particularly 100 to 130 ° C. This hot steam is purified water when the object to be cleaned is a precision part. It is desirable that it is obtained. The amount of hot steam sprayed is 1 surface area of the object to be cleaned.
Usually, it is preferable to set it to about 60 to 6000 kg / hr per m 2 .
【００１５】上記洗浄剤の除去処理がなされた被洗浄物
の乾燥装置としては、通常用いられる、ガス吹き付け、
熱風吹き付け、又は単なる高温乾燥器による乾燥などが
採用される。As a device for drying the object to be cleaned from which the cleaning agent has been removed, a gas sprayer, which is usually used,
Hot air blowing, or simply drying with a high temperature drier is adopted.
【００１６】搬送装置としては、通常用いられる種々の
形式、例えば、ベルトコンベアー式、チェーンブロック
式等を採用できる。[0016] As the conveying device, various types that are usually used, such as a belt conveyor type and a chain block type, can be adopted.
【００１７】本発明において洗浄処理対象となる油分が
付着した被洗浄物としては、電子部品、電機部品、精密
機械部品、樹脂加工部品、光学部品等の精密部品、機械
部品、自動車部品及びその組立加工工程に使用される治
工具類等が挙げられる。具体的には、電子部品としては
プリント配線基板、ＩＣリードフレーム、コンデンサ
ー、液晶表示器、半導体材料等が挙げられる。電機部品
としては、コータ用コア等の部品、マグネット、ブラ
シ、ハウジングなどの電動機部品等が挙げられる。精密
機械部品としてはベアリング、ミシン部品、加工用部品
等が挙げられる。光学部品としては、レンズ等が挙げら
れる。機械部品としては軸受、歯車、各種機械部品等が
挙げられる。自動車用部品としてはエンジン部品、ミッ
ションギヤ、キャブレター等が挙げられる。また、この
ような部品の組立加工工程で使用される治具、工具類と
しては、上記精密部品を製造、成形、加工、組立、仕上
げ等の各種工程において取り扱われる治具、工具等が挙
げられる。In the present invention, as the object to be cleaned to which the oil content adheres, there are electronic parts, electric parts, precision machine parts, resin processed parts, precision parts such as optical parts, machine parts, automobile parts and their assembly. Examples include jigs and tools used in processing steps. Specifically, examples of electronic components include printed wiring boards, IC lead frames, capacitors, liquid crystal displays, and semiconductor materials. Examples of electric machine parts include parts such as a core for a coater, electric motor parts such as a magnet, a brush, and a housing. Examples of precision machine parts include bearings, sewing machine parts, and processing parts. Examples of the optical component include a lens. The mechanical parts include bearings, gears, various mechanical parts, and the like. Examples of automobile parts include engine parts, transmission gears, and carburetors. Further, examples of jigs and tools used in such an assembly process of parts include jigs and tools handled in various processes such as manufacturing, molding, processing, assembling, and finishing of the precision parts. .
【００１８】これらの被洗浄物に付着する油分としては
油脂、機械油、切削油、グリース等が挙げられる。Examples of the oil adhering to these objects to be cleaned include fats and oils, machine oils, cutting oils, greases and the like.
【００１９】[0019]
【作用】洗浄剤で被洗浄物を洗浄した後、熱水蒸気を吹
き付けて被洗浄物に付着している洗浄剤を除去し、次い
で乾燥することにより、洗浄廃水量を低減して、廃水処
理コストの低廉価を図ることができる。[Function] After cleaning the object to be cleaned with the cleaning agent, the hot water vapor is sprayed to remove the cleaning agent adhering to the object to be cleaned, and then it is dried to reduce the amount of cleaning waste water, thereby reducing the waste water treatment cost. The low price can be achieved.
【００２０】例えば、Ｎ−メチル−２−ピロリドンのよ
うな高沸点有機成分を用いて洗浄を行なう場合、通常の
水洗浄では、Ｎ−メチル−２−ピロリドン成分が残存
し、これがその後の乾燥により乾燥面で障害となるが、
本発明による熱水蒸気を用いる洗浄剤除去処理では、洗
浄剤を少ない熱水蒸気量で効率的に除去することができ
る。しかも、その後の乾燥に際しては、熱水蒸気で加熱
された被洗浄物を乾燥するため、乾燥効率は著しく良好
である。For example, when washing is performed using a high-boiling-point organic component such as N-methyl-2-pyrrolidone, ordinary water washing leaves the N-methyl-2-pyrrolidone component, which is then dried. It is an obstacle to dryness,
In the cleaning agent removal treatment using hot steam according to the present invention, the cleaning agent can be efficiently removed with a small amount of hot steam. Moreover, in the subsequent drying, since the article to be cleaned heated by hot steam is dried, the drying efficiency is remarkably good.
【００２１】[0021]
【実施例】以下に図面を参照して本発明の実施例につい
て説明する。図１は本発明の油付着物の洗浄装置の一実
施例を示す断面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing an embodiment of the apparatus for cleaning oily deposits of the present invention.
【００２２】図示の洗浄装置は、表面に油分が付着した
被洗浄物１０をＮ−メチル−２−ピロリドンを含む洗浄
剤１１で脱脂洗浄処理する洗浄部１と、該洗浄部１を経
た被洗浄物１０に付着した洗浄剤を熱水蒸気で吹き飛ば
して除去する洗浄剤除去部２と、該洗浄剤除去部２を経
た被洗浄物１０の表面に付着している水分を熱風で吹き
飛ばして乾燥除去する乾燥部３と、被洗浄物１０を、網
篭４に入れて吊持してこれら洗浄部１、洗浄剤除去部
２、及び乾燥部３を経て移送する搬送装置５とで主に構
成される。The cleaning apparatus shown in the figure has a cleaning section 1 for degreasing and cleaning a cleaning object 10 having oil on its surface with a cleaning agent 11 containing N-methyl-2-pyrrolidone, and a cleaning section that has passed through the cleaning section 1. The cleaning agent removing unit 2 that blows away the cleaning agent that has adhered to the object 10 with hot steam, and the moisture that has adhered to the surface of the object to be cleaned 10 that has passed through the cleaning agent removal unit 2 is blown off with hot air and dried. The drying unit 3 and the cleaning device 10 are mainly configured to include a cleaning device 1, a cleaning device 1, a cleaning agent removing unit 2, and a transporting device 5 that transfers the cleaning target 10 by suspending the cleaning target object 10 in a net basket 4. .
【００２３】洗浄部１は、洗浄剤１１を収容する洗浄槽
１２、洗浄槽１２の温度調節を行なうための、熱媒の導
入口１３Ａ及び排出口１３Ｂを有するジャケット１３、
洗浄槽１２の下部に設けられた、スプレーノズル１４Ａ
を有する空気又は窒素等のガスのスプレーヘッダー１
４、及び洗浄剤１１中を浮上した油分（油膜１５）を分
離回収するための図示しない油除去装置で主に構成され
る。The cleaning unit 1 includes a cleaning tank 12 containing a cleaning agent 11, a jacket 13 having a heat medium inlet 13A and a heat outlet 13B for adjusting the temperature of the cleaning tank 12.
A spray nozzle 14A provided at the bottom of the cleaning tank 12
With air or gas such as nitrogen spray header 1
4 and an oil removing device (not shown) for separating and collecting the oil component (oil film 15) floating in the cleaning agent 11.
【００２４】洗浄剤除去部２は、蓋２１Ａを有し、底部
にドレン回収用の排出口２１Ｂを有する洗浄剤除去槽２
１と、熱水蒸気を被洗浄物１０に吹き付けるスプレーノ
ズル２２Ａを有するスプレーヘッダー２２とで主に構成
される。The cleaning agent removing section 2 has a lid 21A and a cleaning agent removing tank 2 having a drain outlet 21B for collecting drains.
1 and a spray header 22 having a spray nozzle 22A for spraying hot steam onto the article to be cleaned 10.
【００２５】また、乾燥部３は、蓋３１Ａを有する乾燥
槽３１と、被洗浄物１０に熱風（加熱空気）を吹き付け
るスプレーノズル３２Ａを有するスプレーヘッダー３２
とで主に構成される。Further, the drying section 3 has a drying tank 31 having a lid 31A and a spray header 32 having a spray nozzle 32A for blowing hot air (heating air) onto the article to be cleaned 10.
Mainly consists of and.
【００２６】本実施例の洗浄装置によれば、被洗浄物１
０が搬送装置５により順次図面で右側へ移送され、各処
理部の槽上に位置したときに、網篭４が降下され、処理
後再び引き上げて次の工程へ移送される。According to the cleaning apparatus of this embodiment, the object to be cleaned 1
0 is sequentially transferred to the right side in the drawing by the transfer device 5, and when it is located on the tank of each processing unit, the net cage 4 is lowered, and after processing, it is pulled up again and transferred to the next step.
【００２７】即ち、被洗浄物１０は、まず、洗浄部１の
洗浄槽１２内の洗浄剤１１中に浸漬され洗浄処理され
る。この洗浄処理にあたっては、空気又は窒素ガスをス
プレーヘッダー１４を通してスプレーノズル１４Ａによ
り吹き込み分散させ、被洗浄物１０にガス分散流が当た
るようにして付着している油を剥離除去させる。That is, the article to be cleaned 10 is first immersed in the cleaning agent 11 in the cleaning tank 12 of the cleaning section 1 to be cleaned. In this cleaning process, air or nitrogen gas is blown through the spray header 14 by the spray nozzle 14A to be dispersed, and the adhered oil is peeled off so that the gas dispersion flow hits the object to be cleaned 10.
【００２８】被洗浄物１０から剥離され、洗浄剤１１の
上部に浮上した油分は、若干の洗浄液と共にオイルスキ
マー装置等の油分除去装置により分離回収される。The oil separated from the object to be cleaned 10 and floated above the cleaning agent 11 is separated and collected together with some cleaning liquid by an oil removing device such as an oil skimmer device.
【００２９】このようにして油分の洗浄除去を行なった
後は、被洗浄物１０を引き上げ、次工程の洗浄剤除去部
２に移送し、洗浄剤除去槽２１内に降下させ、蓋２１Ａ
を装着した状態で、スプレーヘッダー２２及びスプレー
ノズル２２Ａより熱水蒸気を被洗浄物１０に吹き付け、
被洗浄物に付着している洗浄剤の除去を行なう。この
際、除去された洗浄剤及び水蒸気ドレン分は、排出口２
１Ｂより槽外へ排出されて回収される。After the oil has been washed and removed in this way, the article to be washed 10 is pulled up, transferred to the detergent removing section 2 in the next step, lowered into the detergent removing tank 21, and the lid 21A.
Spraying hot steam onto the object to be cleaned 10 from the spray header 22 and the spray nozzle 22A.
The cleaning agent adhering to the object to be cleaned is removed. At this time, the removed cleaning agent and steam drain are discharged through the discharge port 2
It is discharged from the tank 1B and collected.
【００３０】熱水蒸気処理を行なった被洗浄物１０は、
次いで、乾燥部３へ移送し、乾燥槽３１内に降下させ
て、蓋３１Ａを装着した状態でスプレーヘッダー３２及
びスプレーノズル３２Ａより熱風を被洗浄物に吹き付け
て、付着水分の乾燥除去を行なう。この乾燥処理にあた
り、被洗浄物１０は、前工程で熱水蒸気を吹き付けられ
て温度が上昇した状態となっているため、乾燥処理時間
及び熱風量は、従来の水洗浄方式に比べて大幅に短縮な
いし軽減される。The object 10 to be cleaned which has been subjected to the hot steam treatment is
Next, it is transferred to the drying unit 3, lowered into the drying tank 31, and hot air is blown onto the article to be cleaned from the spray header 32 and the spray nozzle 32A with the lid 31A attached, to dry and remove the attached moisture. In this drying process, the article to be cleaned 10 is in a state in which the temperature has risen due to the blowing of hot steam in the previous step, so the drying process time and the hot air volume are significantly shortened compared to the conventional water cleaning method. Or reduced.
【００３１】この乾燥後の被洗浄物は、再び引き上げら
れて、搬送装置５により系外へ搬送され、製品化され
る。The article to be cleaned after drying is pulled up again and conveyed by the conveying device 5 to the outside of the system to be commercialized.
【００３２】以下に実施例及び比較例を挙げて、本発明
をより具体的に説明する。The present invention will be more specifically described below with reference to Examples and Comparative Examples.
【００３３】実施例１ 油分が付着したテストピース（材質：ＳＳ４１、大き
さ：２．９８ｃｍ×４．９８ｃｍ×０．３ｃｍ厚さ）２
０枚を網篭に入れ、図１に示す装置により、Ｎ−メチル
−２−ピロリドン（ＮＭＰ）と水との混合物からなる洗
浄剤（ＮＭＰ：水＝８５：１５（重量比））を用いて７
０℃で３分間洗浄処理した後、洗浄剤除去槽に入れ、熱
水蒸気（１００℃）を被洗浄物の網篭面積当り６００ｋ
ｇ／ｍ2 ／ｈｒで３分間吹き付けた。その後、乾燥槽で
熱風（９０℃）を被洗浄物に当たるように、被洗浄物網
篭面積当り７Ｎｍ3 ／ｍ2 ／ｈｒで１分間吹き付けた。Example 1 Test piece with oil attached (material: SS41, size: 2.98 cm × 4.98 cm × 0.3 cm thickness) 2
0 sheets were placed in a basket and a cleaning agent (NMP: water = 85: 15 (weight ratio)) consisting of a mixture of N-methyl-2-pyrrolidone (NMP) and water was used by the apparatus shown in FIG. 7
After cleaning at 0 ° C for 3 minutes, put it in the cleaning agent removal tank and apply hot steam (100 ° C) to the area to be cleaned 600 k per net basket area.
Sprayed at g / m 2 / hr for 3 minutes. Then, hot air (90 ° C.) was blown in the drying tank at 7 Nm 3 / m 2 / hr for 1 minute per area of the net basket to be cleaned so as to hit the object to be cleaned.
【００３４】このようにして処理したテストピースにつ
いて、乾燥状態を、表面の肉眼観察、セロテープの付着
性、白布でふきとったときの白布汚れ度により評価し、
結果を表１に示した。With respect to the test piece thus treated, the dry state was evaluated by visual observation of the surface, adhesion of cellophane tape, and degree of white cloth stain when wiped with a white cloth.
The results are shown in Table 1.
【００３５】比較例１ 実施例１において、熱水蒸気による洗浄剤除去処理を行
なわず、また、常温の風により乾燥を行なったこと以外
は同様にして表面状態を調べ結果を表１に示した。Comparative Example 1 The surface condition was examined in the same manner as in Example 1 except that the cleaning agent removal treatment with hot steam was not performed, and the drying was performed with air at room temperature. The results are shown in Table 1.
【００３６】比較例２ 実施例１において、熱水蒸気による洗浄剤除去処理を行
なわず、また、熱風乾燥処理時間を１０分としたこと以
外は同様にして表面状態を調べ結果を表１に示した。Comparative Example 2 The surface condition was examined in the same manner as in Example 1 except that the cleaning agent removal treatment with hot steam was not performed and the hot air drying treatment time was 10 minutes, and the results are shown in Table 1. .
【００３７】比較例３、４ 実施例１において、熱水蒸気による洗浄剤除去処理の代
りに水洗を３分又は１５分間としたこと、及び、熱風乾
燥処理時間を１０分としたこと以外は同様にして表面状
態を調べ結果を表１に示した。Comparative Examples 3 and 4 In the same manner as in Example 1, except that the washing with water was carried out for 3 minutes or 15 minutes instead of the cleaning agent removal treatment with hot steam, and the hot air drying treatment time was 10 minutes. The surface condition was examined by using the table and the results are shown in Table 1.
【００３８】[0038]
【表１】 [Table 1]
【００３９】表１より、本発明の装置によれば、テスト
ピースに付着した油を短時間で効率的に除去、乾燥する
ことができることが明らかである。From Table 1, it is clear that the device of the present invention can efficiently remove and dry the oil adhering to the test piece in a short time.
【００４０】[0040]
【発明の効果】以上詳述した通り、本発明の油付着物の
洗浄装置によれば、油分の脱脂洗浄効果に優れ、しか
も、安全性及び作業環境衛生性が良好で、環境汚染のお
それのない、良好な洗浄剤を用い油が付着した被洗浄物
を効率的に洗浄できると共に、残留する洗浄剤を短時間
で効率的に除去し、且つ乾燥することができる。また、
本発明では、油分の脱脂洗浄効果に優れ、しかも、安全
性及び作業環境衛生性が良好で、環境汚染のおそれのな
い、良好な洗浄剤を用いるので、洗浄廃水量の低減、廃
水処理コストの低減を図ることができる。As described in detail above, according to the apparatus for cleaning oily deposits of the present invention, the effect of degreasing and cleaning oil components is excellent, the safety and the working environment hygiene are good, and the risk of environmental pollution is high. It is possible to efficiently clean the object to be cleaned to which the oil adheres by using a good cleaning agent which is not present, and to efficiently remove the remaining cleaning agent in a short time and dry it. Also,
In the present invention, excellent degreasing and cleaning effect of oil content, and further, safety and work environment hygiene are good, there is no risk of environmental pollution, since a good cleaning agent is used, reduction of the amount of cleaning wastewater, wastewater treatment cost It can be reduced.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の油付着物の洗浄装置の一実施例を示す
断面図である。FIG. 1 is a sectional view showing an embodiment of a device for cleaning oily deposits of the present invention.
【符号の説明】 １ 洗浄部 ２ 洗浄剤除去部 ３ 乾燥部 ４ 網篭 １０ 被洗浄物 １１ 洗浄剤 １２ 洗浄槽 １３ ジャケット １４、２２、３２ スプレーヘッダー １４Ａ、２２Ａ、３２Ａ スプレーノズル ２１ 洗浄剤除去槽 ３１ 乾燥槽[Explanation of reference numerals] 1 cleaning section 2 cleaning agent removal section 3 drying section 4 net basket 10 cleaning object 11 cleaning agent 12 cleaning tank 13 jacket 14, 22, 32 spray header 14A, 22A, 32A spray nozzle 21 cleaning agent removal tank 31 drying tank
───────────────────────────────────────────────────── フロントページの続き (72)発明者 浅沼 哲夫 岡山県倉敷市潮通三丁目10番地 三菱化成 株式会社水島工場内 (72)発明者 広田 憲一 神奈川県藤沢市宮前678 日東化学産業株 式会社藤沢営業所内 (72)発明者 山田 等 神奈川県藤沢市宮前678 日東化学産業株 式会社藤沢営業所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Tetsuo Asanuma Tetsuo Asanuma 3-chome Shiodori, Kurashiki-shi, Okayama Mitsubishi Kasei Co., Ltd. Mizushima Plant (72) Inventor Kenichi Hirota 678 Miyazaki, Fujisawa-shi, Kanagawa Nitto Chemical Industrial Co., Ltd. Fujisawa Sales Office (72) Inventor Yamada, et al. Fujisawa City, Kanagawa 678 Miyamae Nitto Chemical Industry Co., Ltd. Fujisawa Sales Office
Claims (1)
チル−２−ピロリドンを含む洗浄剤で洗浄する洗浄部、 該洗浄された被洗浄物に熱水蒸気を吹き付ける手段を有
しており、該被洗浄物に付着している洗浄剤を除去する
洗浄剤除去部、及び、 該洗浄剤除去処理された被洗浄物に付着する水分を乾燥
除去する乾燥部を備えてなることを特徴とする油付着物
の洗浄装置。1. A cleaning unit for cleaning an object to be cleaned having oil adhered to the surface thereof with a cleaning agent containing N-methyl-2-pyrrolidone, and means for blowing hot steam to the cleaned object to be cleaned. A cleaning agent removing section for removing the cleaning agent adhering to the article to be cleaned, and a drying section for drying and removing water adhering to the article to be cleaned that has been subjected to the cleaning agent removal treatment. A device for cleaning oily deposits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20243492A JPH0770780A (en) | 1992-07-29 | 1992-07-29 | Washing device for oil deposits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20243492A JPH0770780A (en) | 1992-07-29 | 1992-07-29 | Washing device for oil deposits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0770780A true JPH0770780A (en) | 1995-03-14 |
Family
ID=16457461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20243492A Pending JPH0770780A (en) | 1992-07-29 | 1992-07-29 | Washing device for oil deposits |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0770780A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649117A (en) * | 2011-02-24 | 2012-08-29 | 深圳市证通电子股份有限公司 | PCB (Printed Circuit Board) cleaning method and device |
| CN103692668A (en) * | 2013-12-13 | 2014-04-02 | 东莞市益亨表面处理科技有限公司 | Surface treatment equipment |
| JP6246973B1 (en) * | 2017-07-11 | 2017-12-13 | ジャパン・フィールド株式会社 | Degreasing and solvent removal cleaning method for objects to be cleaned |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01130590A (en) * | 1987-11-17 | 1989-05-23 | Furukawa Electric Co Ltd:The | Cleaning of circuit board mounted with component |
| JPH0328387A (en) * | 1989-03-13 | 1991-02-06 | Safety Kleen Corp | Detergent compound and cleaning |
| JPH0347576A (en) * | 1989-07-13 | 1991-02-28 | Marine Instr Co Ltd | Washing and drying method and apparatus |
| JPH03127673A (en) * | 1989-10-09 | 1991-05-30 | Shinichi Mori | Washing method |
| JPH03135487A (en) * | 1989-10-20 | 1991-06-10 | Chiyoda Seisakusho:Kk | Method for cleaning article with water and drying the article |
-
1992
- 1992-07-29 JP JP20243492A patent/JPH0770780A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01130590A (en) * | 1987-11-17 | 1989-05-23 | Furukawa Electric Co Ltd:The | Cleaning of circuit board mounted with component |
| JPH0328387A (en) * | 1989-03-13 | 1991-02-06 | Safety Kleen Corp | Detergent compound and cleaning |
| JPH0347576A (en) * | 1989-07-13 | 1991-02-28 | Marine Instr Co Ltd | Washing and drying method and apparatus |
| JPH03127673A (en) * | 1989-10-09 | 1991-05-30 | Shinichi Mori | Washing method |
| JPH03135487A (en) * | 1989-10-20 | 1991-06-10 | Chiyoda Seisakusho:Kk | Method for cleaning article with water and drying the article |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649117A (en) * | 2011-02-24 | 2012-08-29 | 深圳市证通电子股份有限公司 | PCB (Printed Circuit Board) cleaning method and device |
| CN103692668A (en) * | 2013-12-13 | 2014-04-02 | 东莞市益亨表面处理科技有限公司 | Surface treatment equipment |
| JP6246973B1 (en) * | 2017-07-11 | 2017-12-13 | ジャパン・フィールド株式会社 | Degreasing and solvent removal cleaning method for objects to be cleaned |
| JP2019013913A (en) * | 2017-07-11 | 2019-01-31 | ジャパン・フィールド株式会社 | Defatting and solvent removal washing method of washing object |
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