JPH03154676A - Washing method and apparatus using combustible solvent - Google Patents
Washing method and apparatus using combustible solventInfo
- Publication number
- JPH03154676A JPH03154676A JP29324789A JP29324789A JPH03154676A JP H03154676 A JPH03154676 A JP H03154676A JP 29324789 A JP29324789 A JP 29324789A JP 29324789 A JP29324789 A JP 29324789A JP H03154676 A JPH03154676 A JP H03154676A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- flammable solvent
- solvent
- cleaned
- flammable
- 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.)
- Granted
Links
- 239000002904 solvent Substances 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims description 17
- 238000005406 washing Methods 0.000 title abstract description 16
- 238000005187 foaming Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000006260 foam Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000003350 kerosene Substances 0.000 claims abstract description 7
- 239000004094 surface-active agent Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 97
- 235000007586 terpenes Nutrition 0.000 claims description 18
- 239000008258 liquid foam Substances 0.000 claims description 17
- 150000003505 terpenes Chemical class 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001804 emulsifying effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 125000002298 terpene group Chemical group 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000013020 steam cleaning Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は可燃性溶剤を用いた洗浄方法および洗浄装置に
係るものであって、機械部品、プリント基板等の洗浄を
可燃性溶剤を用いて安全に行おうとするものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a cleaning method and a cleaning device using a flammable solvent, and the present invention relates to a cleaning method and a cleaning device using a flammable solvent, and the present invention relates to a cleaning method and a cleaning device that use a flammable solvent to safely clean mechanical parts, printed circuit boards, etc. That's what I'm trying to do.
従来の技術
従来機械部品、プリント基板等の洗浄を行うには、不燃
性で発火の危険がないこと、洗浄力に優れていること等
から一般的にフロン系溶剤が用いられていたが、地球環
境の破壊を伴うことから使用が規制されるものとなった
。このフロン系溶剤に代わる溶剤としては、オレンジか
ら抽出した油を主剤とするテルペン溶剤、テルペン溶剤
とテルペン乳化界面活性剤の混合物から成る組成物、ア
ルコール、ケロシン等の溶剤が考慮されるが、これらは
いずれも可燃性溶剤であって、発火に対する安全性が確
保できず、従来は使用不能なものとなっている。Conventional technology Conventionally, fluorocarbon-based solvents were generally used to clean mechanical parts, printed circuit boards, etc. because they are nonflammable, pose no risk of ignition, and have excellent cleaning power. Its use has become regulated because it is associated with environmental destruction. Possible solvents to replace CFC-based solvents include terpene solvents whose main ingredient is oil extracted from oranges, compositions consisting of a mixture of terpene solvents and terpene emulsifying surfactants, and solvents such as alcohol and kerosene. Both are flammable solvents and cannot be used in the past because safety against ignition cannot be ensured.
発明が解決しようとする課題
本発明は上述のごとき課題を解決しようとするものであ
って、洗浄力に優れ、地球環境の破壊を伴うことが無い
可燃性溶剤を洗浄液に用いながら、発火の危険性を防止
し、安全な洗浄を効率良く行おうとするものである。Problems to be Solved by the Invention The present invention attempts to solve the above-mentioned problems, and uses a flammable solvent in the cleaning liquid that has excellent cleaning power and does not cause destruction of the global environment, while eliminating the risk of ignition. The aim is to prevent this from occurring and to perform safe and efficient cleaning.
課題を解決するための手段
本発明は上述のごとき課題を解決するため、可燃性溶剤
を用いて被洗浄物の洗浄を行う洗浄部と外気との連通部
を、液体を発泡させて形成した形成泡により遮断しなが
ら洗浄作業を行うことを特徴として成るものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a method in which a communication part between a cleaning part that cleans an object to be cleaned using a flammable solvent and the outside air is formed by foaming a liquid. The feature is that the cleaning work is performed while being blocked by foam.
ま°た池の発明は、可燃性溶剤を用いて被洗浄物の洗浄
を行う洗浄部を設け、この洗浄部と外気との連通部に、
液体を発泡させて形成した形成泡を位置することにより
、外気と洗浄雰囲気とを発泡体により遮断して成るもの
である。In addition, Ike's invention includes a cleaning section that cleans objects to be cleaned using a flammable solvent, and a communication section between the cleaning section and the outside air.
By placing foam formed by foaming a liquid, the foam blocks the outside air and the cleaning atmosphere.
また液体の発泡は、液状発泡材中へ気体を吹き込むこと
により形成しても良い。Further, the liquid foam may be formed by blowing gas into the liquid foam material.
また液体の発泡は、液状発泡材中へ撹拌翼を挿入し、液
状発泡材を撹拌することにより形成しても良い。Further, the liquid foam may be formed by inserting a stirring blade into the liquid foam material and stirring the liquid foam material.
また可燃性溶剤は、テルペン溶剤であっても良い
また可燃性溶剤は、テルペン溶剤とテルペン乳化界面活
性剤から成る組成物であっても良い。Further, the flammable solvent may be a terpene solvent, or the flammable solvent may be a composition comprising a terpene solvent and a terpene emulsifying surfactant.
また可燃性溶剤は、アルコールであっても良い。Moreover, the flammable solvent may be alcohol.
また可燃性溶剤は、ケロシンであっても良い。The flammable solvent may also be kerosene.
また洗浄部に於ける可燃性溶剤と被洗浄物の接触は、可
燃性溶剤を被洗浄物にシャワー状に噴射して行うもので
あっても良い。Further, the contact between the flammable solvent and the object to be cleaned in the cleaning section may be carried out by spraying the flammable solvent onto the object to be cleaned in the form of a shower.
また形成泡は、被洗浄物の出入口に形成することにより
外気と洗浄部とを遮断するものであっても良い。Further, the foam may be formed at the entrance/exit of the object to be cleaned to block the outside air from the cleaning section.
また形成泡は、可燃性溶剤の表面に接触して形成するこ
とにより外気と洗浄部とを遮断するものであっても良い
。Further, the formed foam may be formed in contact with the surface of the flammable solvent, thereby blocking the cleaning section from the outside air.
１ヤ用
本発明は上述のごとく構成したものであるから、可燃性
溶剤と被洗浄物を接触させる洗浄部に於て、被洗浄物を
可燃性溶剤で洗浄すると、この洗浄によって生じる溶剤
蒸気、飛散した飛沫等は、外気との連通部を、液体を発
泡させた形成泡により遮断され、溶剤蒸気、飛沫等が外
部に漏れる場所がないから、この洗浄雰囲気内に発火の
原因となるもの分位置させなければ、発火の危険性は極
めて少ないものとなる。またこの遮断は形成泡によって
行なわれるから、洗浄雰囲気を密閉したまま被洗浄物の
通過が可能となり、常時連続的に被洗浄物を導入するこ
とが可能となり、効率的な洗浄ＩＹ業を可能とする。Since the present invention is configured as described above, when the object to be cleaned is cleaned with the flammable solvent in the cleaning section where the flammable solvent and the object to be cleaned come into contact, the solvent vapor generated by this cleaning, The communication between the scattered droplets and the outside air is blocked by the foam formed by foaming the liquid, and there is no place for solvent vapor or droplets to leak to the outside, so there are no substances that could cause ignition in this cleaning atmosphere. If not, the risk of ignition is extremely small. In addition, since this blocking is done by forming bubbles, it is possible to pass the object to be cleaned while keeping the cleaning atmosphere sealed, and it is possible to introduce the object to be cleaned continuously at all times, enabling efficient cleaning IY work. do.
また液体の発泡は、液状発泡材中へ気体を吹き込むこと
により形成泡を形成すれば、泡の形成が容易であるとと
もに気体に、炭酸ガス、窒素等の不活性ガスを用いれば
、この不活性ガスよって引火の危険性を著しく低下する
事ができる。In addition, when foaming a liquid, bubbles can be easily formed by blowing gas into the liquid foaming material. Gas can significantly reduce the risk of ignition.
また液体の発泡は、液状発泡材中へ撹拌翼を挿入し、液
状発泡材を撹拌することにより形成泡を形成すれば、ガ
スの供給が不要となり機構を簡略化できる。In addition, when foaming the liquid, if a stirring blade is inserted into the liquid foam material and foam is formed by stirring the liquid foam material, gas supply is not required and the mechanism can be simplified.
また可燃性溶剤には、テルペン溶剤であっても良いし、
テルペン溶剤とテルペン乳化界面活性剤から成る組成物
であっても良いし、アルコールであっても良いし、ケロ
シンであっても良く、洗浄目的に応じて任意の可燃性溶
剤を用いることができる。In addition, the flammable solvent may be a terpene solvent,
It may be a composition consisting of a terpene solvent and a terpene emulsifying surfactant, it may be alcohol, it may be kerosene, and any flammable solvent may be used depending on the purpose of cleaning.
また洗浄部に於ける可燃性溶剤と被洗浄物の接触を、可
燃性溶剤を被洗浄物にシャワー状に噴射して行うものと
すれば、被洗浄物全体の強力な洗浄が可能となる。Furthermore, if the flammable solvent comes into contact with the object to be cleaned in the cleaning section by spraying the flammable solvent onto the object to be cleaned in the form of a shower, powerful cleaning of the entire object to be cleaned becomes possible.
また形成泡は、被洗浄物の出入口に形成することにより
外気と洗浄部とを遮断するものであっても良い。Further, the foam may be formed at the entrance/exit of the object to be cleaned to block the outside air from the cleaning section.
また形成泡は、可燃性溶剤の表面に接触して形成するこ
とにより外気と洗浄部とを遮断するものであっても良い
。Further, the formed foam may be formed in contact with the surface of the flammable solvent, thereby blocking the cleaning section from the outside air.
実施例
以下本発明の一実施例を第１図に於いて説明すれば、（
１）は収納槽で、両端に被洗浄物（２）の導入口（３）
と導出口（４）とを設け、導入口（３）側には可燃性溶
剤（５）と被洗浄物（２）を接触させる洗浄部（６）を
形成し、導出口（４）側には被洗浄物（２）に１寸着し
た可燃性溶剤（５）を水洗除去する水洗部（７）を設け
、この水洗部（７）には収納槽（１）の天板（８）から
仕切板（１０）を挿入し、導出口（４）と、洗浄部（６
）とを遮断している。EXAMPLE An example of the present invention will be described below with reference to FIG.
1) is a storage tank with an inlet (3) at both ends for the object to be cleaned (2).
A cleaning part (6) for bringing the flammable solvent (5) and the object to be cleaned (2) into contact is formed on the inlet (3) side, and a cleaning part (6) is formed on the outlet (4) side. is equipped with a water washing section (7) for washing off the flammable solvent (5) that has adhered to the object (2) to be washed. Insert the partition plate (10) and open the outlet (4) and cleaning section (6).
).
また洗浄部（６）とは導入口（３）を介した位置に発泡
室（１１）を形成し、この発泡室（１１）の下端に、不
燃性の界面活性剤等の液状発泡材（１２）を充填し、こ
の液状発泡材（１２）に供給管（１３）により、窒素、
炭酸ガス等の゛不活性の気体を吹き込んで発泡させ、こ
の発泡した形成泡（１４）により導入口（３）と外気と
の連通を遮断している。In addition, a foaming chamber (11) is formed at a position via the inlet (3) from the cleaning section (6), and a liquid foaming material (12 ), and this liquid foam material (12) is supplied with nitrogen,
An inert gas such as carbon dioxide gas is blown into the foam to form foam, and the foamed foam (14) blocks communication between the inlet (3) and the outside air.
また可燃性溶剤（５）は、洗浄目的に合致したものであ
れば特に限定されるものではないが、例えばプリント基
板のフラックス残渣を洗浄するには、テルペン溶剤とか
、テルペン溶剤とテルペン乳化界面活性剤から成る組成
物が好ましい、また可燃性溶剤（５）は、その他の洗浄
目的に応じて、アルコール、ケロシン等の可燃性の任意
の溶剤を用いることができる。The flammable solvent (5) is not particularly limited as long as it meets the purpose of cleaning, but for example, in order to clean flux residue from a printed circuit board, a terpene solvent, a terpene solvent and a terpene emulsion surfactant, etc. The flammable solvent (5) may be any flammable solvent such as alcohol or kerosene depending on other cleaning purposes.
また洗浄部（６）には、移送コンベアー（１５）を位置
し、この移送コンベアー（１５）の移送方向の端部に臨
ませて、チェーンコンベアー（１７）をスブロゲットホ
イール（１８）により位置し、水洗部（７）を介して被
洗浄物（２）を水（１６）の外に導出し、この導出部に
、被洗浄物（２）に付着した可燃性溶剤（５）を除去す
るための水洗シャワー（２０）を設置している。また更
には、この水洗シャワー（２０）の前の水（１６）の中
に、水（１６）をポンプ（２１）で吸引加圧し、被洗浄
物（２）に噴射する一次除去部く２２）を設け、この−
次除去部（２２）を通過した被洗浄物（２）を、濾過手
段（２３）を介して水（１６）を清浄とした水洗シャワ
ー（２０）により二次洗浄するものである。In addition, a transfer conveyor (15) is located in the washing section (6), and a chain conveyor (17) is positioned by a subroket wheel (18) facing the end of the transfer conveyor (15) in the transfer direction. Then, the object to be cleaned (2) is led out of the water (16) through the water washing section (7), and the flammable solvent (5) adhering to the object to be cleaned (2) is removed to this outlet section. A flush shower (20) is installed. Furthermore, a primary removal section 22) sucks and pressurizes water (16) into the water (16) in front of the flush shower (20) with a pump (21) and sprays it onto the object to be cleaned (2). and this −
The object to be cleaned (2) that has passed through the secondary removal section (22) is subjected to secondary cleaning by a washing shower (20) in which water (16) is purified through a filtering means (23).
またこの水洗シャワー（２０）の被洗浄物（２）の導出
方向には、導出コンベアー（１９）を位置し、こグ）導
出コンベアー（１つ）を収納槽（１）に設けた導出口（
４）から突出し、被洗浄物（２）の取り出しを可能とし
ている。In addition, a delivery conveyor (19) is located in the direction in which the items to be cleaned (2) are taken out of the flush shower (20), and a delivery port (1) is provided in the storage tank (1).
4), and allows the object to be cleaned (2) to be taken out.
また、洗浄部（６）には、可燃性溶剤（５）の受皿（２
４）を位置し、この受皿（２４）の上部を通過する被洗
浄物（２）の上下両面に臨ませて、シャワー（２５）を
位置し、このシャワー（２５）に、充填槽く２６）の可
燃性溶剤（５）をポンプ（２７）で加圧して供給し、可
燃性溶剤（５）をシャワー（２５）により上下両面から
吹き付けて洗浄を行うものである。In addition, the cleaning section (6) includes a saucer (2) for the flammable solvent (5).
4), and a shower (25) is placed so as to face both the upper and lower sides of the object to be cleaned (2) passing through the upper part of this tray (24), and a filling tank 26) is placed in this shower (25). The flammable solvent (5) is supplied under pressure with a pump (27), and the flammable solvent (5) is sprayed from both upper and lower surfaces by a shower (25) to perform cleaning.
このように構成することにより、簡易な機構で被洗浄物
（２）の洗浄ができるとともに連続的な被洗浄物（２）
の洗浄が可能となる。With this configuration, the object to be cleaned (2) can be cleaned with a simple mechanism, and the object to be cleaned (2) can be cleaned continuously.
cleaning is possible.
また上記の洗浄作業によって生じる溶剤蒸気、飛散した
飛沫等は、水（１６）に仕切板く１０）の下端を挿入し
て導出口（４）と区画した洗浄部（６）内に滞留し、そ
して被洗浄物（２）の導入口（３）は、形成性（１４）
によって外気との連通を遮断されているから、外部に漏
れることがなく、この洗浄部（６）内に発火の原因とな
るものを位置させなければ、発火の危険性は殆ど無くな
るものとなる。In addition, solvent vapor, scattered droplets, etc. generated by the above-mentioned cleaning work remain in the cleaning part (6), which is separated from the outlet (4) by inserting the lower end of the partition plate 10) into the water (16). The inlet port (3) for the object to be cleaned (2) has a formability (14).
Since communication with the outside air is cut off by the cleaning part (6), there is no possibility of leakage to the outside, and the risk of fire is almost eliminated unless something that could cause fire is placed inside this cleaning part (6).
また、洗浄部（６）に、蒸気、飛散溶剤の飛沫等の回収
手段（２８）を接続すれば、洗浄部（６）内に於ける可
燃性溶剤（５）の、蒸気、飛沫等の濃度を低下すること
が可能となり、発火に対する危険性を更に少なくするこ
とが可能となる。そしてこの回収手段（２８）は、洗浄
部（６）内の上部に吸入口（３０）を突出した吸入管〈
３１）を、回収槽（３２）の凝縮室（３３ンに接続し、
冷却液体（３４）により形成した流下液層（３５）によ
り、吸入管（３１）から導入される蒸気、飛散溶剤の飛
沫等を凝縮するとともに凝縮室（３３）と隔壁（３６〉
により分離し、隔壁（３６）の連通口（３７）を冷却液
体（３４）に挿入して及けた冷却液室（３８）の、上部
空間（４０）に、排出管（４１）を接続し、この上部空
間（４０）の清浄気体を、洗浄部（６）内に還流するこ
とにより、洗浄部（６）内の可燃性溶剤（５）の蒸気、
飛沫等の濃度を著しく低下させ、溶剤蒸気、飛沫等の流
出を防止し、発火の危険性を確実に防止することが可能
となる。In addition, if the cleaning section (6) is connected to the collection means (28) for collecting steam, sprayed solvent, etc., the concentration of vapor, spray, etc. of the flammable solvent (5) in the cleaning section (6) can be reduced. This makes it possible to further reduce the risk of fire. The recovery means (28) is a suction pipe with a suction port (30) protruding from the upper part of the cleaning section (6).
31) to the condensation chamber (33) of the recovery tank (32),
The flowing liquid layer (35) formed by the cooling liquid (34) condenses the vapor, scattered solvent droplets, etc. introduced from the suction pipe (31), and also connects the condensation chamber (33) and the partition wall (36).
A discharge pipe (41) is connected to the upper space (40) of the coolant chamber (38) which is opened by inserting the communication port (37) of the partition wall (36) into the coolant liquid (34); By circulating the clean gas in the upper space (40) into the cleaning section (6), the vapor of the flammable solvent (5) in the cleaning section (6),
It is possible to significantly reduce the concentration of droplets, etc., prevent the outflow of solvent vapor, droplets, etc., and reliably prevent the risk of ignition.
また、上記の第１図に示す実施例では、形成性（１４）
を可燃性溶剤（５）に接触する事なく位置して、外気と
可燃性溶剤（５）との遮断を行ったが、第２図に示す実
施例では、可燃性溶剤（５）の液面に形成性く１４）を
直接接触することにより、可燃性溶剤く５）と外気との
遮断を行っている。この実施例では発泡室（１１）を洗
浄槽（４２）の外側面に形成し、可燃性溶剤（５）の液
面よりも少し上部に形成性（１４）の流出口（４３）を
設けることにより、可燃性溶剤（５）の液面を形成性（
１４）で被覆出来るものとしている。そして被洗浄物（
２）の出入は、第１図に示す実施例と同じく形成性（１
４）を貫通して行うことが出来る。この貫通によっても
、形成性（１４）は開口を設けることがないか、開口を
設けても直ちに閉止出来るから、可燃性溶剤（５）と外
気との接触は確実に防止し得るものである。In addition, in the embodiment shown in FIG. 1 above, the formability (14)
was positioned without contacting the flammable solvent (5) to isolate the outside air from the flammable solvent (5). By directly contacting the flammable solvent 5) with the outside air, the flammable solvent 5) is isolated from the outside air. In this embodiment, the foaming chamber (11) is formed on the outer surface of the cleaning tank (42), and the foaming chamber (14) is provided with an outlet (43) slightly above the liquid level of the flammable solvent (5). The liquid level of the flammable solvent (5) is
14). and the object to be cleaned (
The entry and exit of 2) is similar to the embodiment shown in FIG.
4) can be carried out. Even with this penetration, the formability (14) does not require an opening, or even if an opening is provided, it can be immediately closed, so contact between the flammable solvent (5) and the outside air can be reliably prevented.
またこの第２図に示す実施例は、手作業により洗浄作業
を行う場合に特に好都合なもので、２つ設けた槽の一方
に可燃性溶剤（５）を充填し、他方には可燃性溶剤（５
〉を除去するための、水（１６）を収納している。The embodiment shown in Fig. 2 is particularly convenient when cleaning work is to be carried out by hand; one of the two tanks is filled with a flammable solvent (5), and the other is filled with a flammable solvent (5). (5
> Contains water (16) for removing water.
また形成性（１４）を用いて可燃性溶剤（５）と外気と
の接触を遮断する洗浄機構の構成は、全く限定されるも
のではなく、第３図に示すごとく洗浄槽（４２）内に、
被洗浄物〈２）を移送するコンベアー＜４４）を設置し
、移送方向の中央部に可燃性溶剤（５）を位置するとと
もに被洗浄！Ｉｔ］（２＞の導入口（３）と導出口（４
）に、それぞれ発泡室（１１）を設けている。Furthermore, the configuration of the cleaning mechanism that uses the formability (14) to block contact between the flammable solvent (5) and the outside air is not limited at all, and as shown in FIG. ,
A conveyor <44) for transporting the object to be cleaned (2) is installed, and the flammable solvent (5) is positioned in the center in the transport direction, and the object to be cleaned is also transported! It] (2> inlet (3) and outlet (4)
) are each provided with a foaming chamber (11).
また第４図、第５図に示す実施例は、アルコール溶剤に
より浸漬洗浄と蒸気洗浄を行う場きに好都合なものであ
って、被洗浄物（２）の洗浄を行う洗浄槽（４２）と、
この洗浄槽く４２）内のアルコール等の可燃性溶剤（５
）を−時的に収納するリザーブタンクく４５）と、ヒー
ター（４６）を備えた蒸気発生槽（４７）と、これらを
内部に収納する収納槽（１）とから成り、この収納槽（
１）を分割壁（４８）により、洗浄槽（４２）、リザー
ブタンク（４５）、蒸気発生槽（４７）の、各々の上端
口部（５０）＜５１）（５２）よりも下底方向に於いて
上下に分割し、上部に不燃性の界面活性剤等の液状発泡
材（１２）を位置し、気体を吹き込んで形成性（１４〉
を発生させる発泡室（１１）とし、各種の上端口部＜５
０）＜５１）（５２）を形成性（１４）または液状発泡
材（１２）により被覆し、可燃性溶剤（５）の蒸気が外
部に漏れないように構成している。Further, the embodiment shown in FIGS. 4 and 5 is convenient for performing immersion cleaning and steam cleaning with an alcohol solvent, and the cleaning tank (42) for cleaning the object (2) to be cleaned is ,
Flammable solvents such as alcohol (5) in this cleaning tank (42)
), a steam generating tank (47) equipped with a heater (46), and a storage tank (1) in which these are stored.
1) by the dividing wall (48) toward the bottom of the cleaning tank (42), reserve tank (45), and steam generation tank (47) from the upper end openings (50) < 51) (52) of each. It is divided into upper and lower parts, a liquid foaming material (12) such as a nonflammable surfactant is placed on the upper part, and a gas is blown into the molding material (14).
The foaming chamber (11) generates
0)<51) (52) is covered with a formable material (14) or a liquid foaming material (12) to prevent the vapor of the flammable solvent (5) from leaking to the outside.
この第４図、第５図に示す洗浄装置は被洗浄物（２）を
、洗浄槽（４２）で超音波振動子等を用いて浸漬洗浄し
、この浸漬洗浄完了後に可燃性溶剤（５）を、第５図に
示すごとくリザーブタンク（４５）に移送ポンプ（５３
）で移し、空にした後、蒸気導入弁（５４）を開弁し蒸
気発生槽（４７）から蒸気を導入し、蒸気洗浄を行う。The cleaning apparatus shown in FIGS. 4 and 5 immerses and cleans the object to be cleaned (2) in a cleaning tank (42) using an ultrasonic vibrator or the like, and after the immersion cleaning is completed, flammable solvent (5) The transfer pump (53) is transferred to the reserve tank (45) as shown in Figure 5.
), and after emptying, open the steam introduction valve (54) and introduce steam from the steam generation tank (47) to perform steam cleaning.
この蒸気洗浄完了後は第５図に示すごとく、上端口部（
５１）を開放して被洗浄物（２）を取り出すものである
。After completing this steam cleaning, the upper end opening (
51) is opened to take out the object to be cleaned (2).
また上記の実施例ではいずれも、液体の発泡は、液状発
泡材（１２）中へ気体を吹き込むことにより行っている
が、液１本の発泡は、液状発泡材（１２）中へ撹拌翼を
挿入し、液状発泡材を撹拌することにより形成しても良
い。Furthermore, in all of the above examples, foaming of the liquid is performed by blowing gas into the liquid foaming material (12), but foaming of a single liquid is performed by blowing a stirring blade into the liquid foaming material (12). It may be formed by inserting the liquid foam material and stirring the liquid foam material.
発明の効果
本発明は上述のごとく構成したものであるから、洗浄に
よって生じる溶剤蒸気、飛散した飛沫等は、外気との連
通部を、液体を発泡させた形成泡により遮断され、溶剤
蒸気、飛沫等が外部に漏れないから、この洗浄雰囲気内
に発火の原因となるものを位置させなければ、発火の危
険性は極めて少ないとともに洗浄雰囲気を密閉したまま
被洗浄物の通過が可能となり、常時連続的に被洗浄物を
導入することも可能となり、効率的な洗浄作業を可能と
する。Effects of the Invention Since the present invention is configured as described above, the communication part with the outside air is blocked by the foam formed by foaming the liquid, and the solvent vapor and splashes generated by cleaning are blocked. etc. do not leak outside, so unless there is anything that could cause ignition in this cleaning atmosphere, the risk of ignition is extremely low, and it is possible to pass through the items to be cleaned while keeping the cleaning atmosphere sealed, allowing continuous cleaning at all times. It also becomes possible to introduce objects to be cleaned automatically, making it possible to carry out efficient cleaning work.
また液体の発泡は、液状発泡材中へ炭酸ガス、窒素等の
気体を吹き込むことにより形成泡を形成すれば、簡易な
泡の発生を可能とする。Further, foaming of liquid can be easily generated by blowing gas such as carbon dioxide gas or nitrogen into the liquid foaming material.
また液体の発泡は、液状発泡材中へ撹拌翼を挿入し、液
状発泡材を撹拌することにより形成泡を形成すれば、ガ
スの供給が不要となり機構を簡略化できる。In addition, when foaming the liquid, if a stirring blade is inserted into the liquid foam material and foam is formed by stirring the liquid foam material, gas supply is not required and the mechanism can be simplified.
また可燃性溶剤には、テルペン溶剤であっても良いし、
テルペン溶剤とテルペン乳化液状発泡材から成る組成物
であっても良いし、アルコールであっても良いし、ケロ
シンであっても良く、洗浄目的に応じて任意の可燃性溶
剤を用いることができる。In addition, the flammable solvent may be a terpene solvent,
It may be a composition consisting of a terpene solvent and a terpene emulsified liquid foaming material, it may be alcohol, it may be kerosene, and any flammable solvent can be used depending on the purpose of cleaning.
また洗浄部に於ける可燃性溶剤と被洗浄物の接触を、可
燃性溶剤を被洗浄物にシャワー状に噴射して行うものと
すれば、被洗浄物全体の強力な洗浄が可能となる。Furthermore, if the flammable solvent comes into contact with the object to be cleaned in the cleaning section by spraying the flammable solvent onto the object to be cleaned in the form of a shower, powerful cleaning of the entire object to be cleaned becomes possible.
また形成泡は、被洗浄物の出入口に形成すれば、被洗浄
物の通過を可能にしながら、外気と洗浄部とを遮断する
ことができ、効率的で安全性の高い連続洗浄作業を可能
とする。In addition, if foam is formed at the entrance and exit of the object to be cleaned, it will be possible to cut off the outside air and the cleaning area while allowing the object to pass through, enabling efficient and highly safe continuous cleaning work. do.
また形成泡を、可燃性溶剤の表面に接触して形成するこ
とにより外気と洗浄部とを遮断するものとすれば簡易な
機構で、可燃性溶剤の拡散を防止出来るものである。Furthermore, if the bubbles are formed in contact with the surface of the flammable solvent to isolate the cleaning section from the outside air, the diffusion of the flammable solvent can be prevented with a simple mechanism.
図面は本発明の実施例を示すもので、第１図は被洗浄物
の洗浄状態を示す断面図、第２図は可燃性溶剤の表面を
直接形成泡で被覆密閉した状態の断面図、第３図はコン
ベアーを用いた連続洗浄装置に用いた状態の実施例を示
す断面図、第４区は浸漬洗浄と蒸気洗浄を行えるように
した洗浄装置に用いた実施例の断面図、第５図は第４図
に示す洗浄装置の洗浄槽の開放状態の断面図である。
（２）・・・・被洗浄物 （５）・・・可燃性溶剤（６
）・・・・・洗浄部 （１２）・・・液状発泡材（１４
）・・・・・形成泡
第２図The drawings show embodiments of the present invention; FIG. 1 is a cross-sectional view showing the cleaning state of an object to be cleaned, FIG. Figure 3 is a sectional view showing an embodiment used in a continuous cleaning device using a conveyor, Section 4 is a sectional view of an embodiment used in a cleaning device capable of performing immersion cleaning and steam cleaning, and Figure 5 5 is a sectional view of the cleaning tank of the cleaning device shown in FIG. 4 in an open state; FIG. (2)...Object to be cleaned (5)...Flammable solvent (6
)...Cleaning section (12)...Liquid foam material (14
)... Formation bubbles Figure 2
Claims (11)
と外気との連通部を、液体を発泡させて形成した形成泡
により遮断しながら洗浄作業を行うことを特徴とする可
燃性溶剤を用いた洗浄方法。(1) A flammable method characterized by performing cleaning work while blocking the communication between the cleaning part that cleans the object to be cleaned using a flammable solvent and the outside air with foam formed by foaming a liquid. Cleaning method using solvent.
を設け、この洗浄部と外気との連通部に、液体を発泡さ
せて形成した形成泡を位置することにより、外気と洗浄
雰囲気とを形成泡により遮断したことを特徴とする可燃
性溶剤を用いた洗浄装置。(2) A cleaning section that cleans the object to be cleaned using a flammable solvent is provided, and foam formed by foaming a liquid is placed in the communication section between this cleaning section and the outside air, so that the outside air and cleaning can be carried out. A cleaning device using a flammable solvent, characterized in that it is isolated from the atmosphere by formed bubbles.
とにより形成することを特徴とする請求項１、２記載の
可燃性溶剤を用いた洗浄方法および装置。(3) The cleaning method and apparatus using a flammable solvent according to claim 1 or 2, wherein the liquid foam is formed by blowing gas into the liquid foam material.
液状発泡材を撹拌することにより形成するものであるこ
とを特徴とする請求項１、２記載の可燃性溶剤を用いた
洗浄方法および装置。(4) To foam the liquid, insert a stirring blade into the liquid foam material,
3. A cleaning method and apparatus using a flammable solvent according to claim 1, wherein the cleaning method and apparatus are formed by stirring a liquid foam material.
する請求項１、２記載の可燃性溶剤を用いた洗浄方法お
よび装置。(5) The cleaning method and apparatus using a flammable solvent according to claims 1 and 2, wherein the flammable solvent is a terpene solvent.
活性剤から成る組成物であることを特徴とする請求項１
、２記載の可燃性溶剤を用いた洗浄方法および装置。(6) Claim 1, wherein the flammable solvent is a composition comprising a terpene solvent and a terpene emulsifying surfactant.
, 2. A cleaning method and apparatus using the flammable solvent according to 2.
る請求項１、２記載の可燃性溶剤を用いた洗浄方法およ
び装置。(7) The cleaning method and apparatus using a flammable solvent according to claims 1 and 2, wherein the flammable solvent is alcohol.
請求項１、２記載の可燃性溶剤を用いた洗浄方法および
装置。(8) The cleaning method and apparatus using a flammable solvent according to claims 1 and 2, wherein the flammable solvent is kerosene.
可燃性溶剤を被洗浄物にシャワー状に噴射して行うこと
を特徴とする請求項１、２記載の可燃性溶剤を用いた洗
浄方法および装置。(9) Contact between flammable solvents and objects to be cleaned in the cleaning area
3. The method and apparatus for cleaning using a flammable solvent according to claim 1, wherein the cleaning is carried out by spraying the flammable solvent onto the object to be cleaned in the form of a shower.
より外気と洗浄部とを遮断することを特徴とする請求項
１、２記載の可燃性溶剤を用いた洗浄方法および装置。(10) The method and apparatus for cleaning using a flammable solvent according to Claims 1 and 2, wherein the foam is formed at the entrance and exit of the object to be cleaned, thereby blocking outside air from the cleaning section.
ることにより外気と洗浄部とを遮断することを特徴とす
る請求項１、２記載の可燃性溶剤を用いた洗浄方法およ
び装置。(11) The cleaning method and apparatus using a flammable solvent according to claims 1 and 2, wherein the foam is formed in contact with the surface of the flammable solvent to isolate the cleaning section from the outside air. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29324789A JPH03154676A (en) | 1989-11-10 | 1989-11-10 | Washing method and apparatus using combustible solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29324789A JPH03154676A (en) | 1989-11-10 | 1989-11-10 | Washing method and apparatus using combustible solvent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03154676A true JPH03154676A (en) | 1991-07-02 |
| JPH0543435B2 JPH0543435B2 (en) | 1993-07-01 |
Family
ID=17792350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29324789A Granted JPH03154676A (en) | 1989-11-10 | 1989-11-10 | Washing method and apparatus using combustible solvent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03154676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008073593A (en) * | 2006-09-20 | 2008-04-03 | Ulvac Japan Ltd | Printing equipment and head cleaning method |
-
1989
- 1989-11-10 JP JP29324789A patent/JPH03154676A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008073593A (en) * | 2006-09-20 | 2008-04-03 | Ulvac Japan Ltd | Printing equipment and head cleaning method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543435B2 (en) | 1993-07-01 |
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