JPH0561962B2 - - Google Patents
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- Publication number
- JPH0561962B2 JPH0561962B2 JP14779189A JP14779189A JPH0561962B2 JP H0561962 B2 JPH0561962 B2 JP H0561962B2 JP 14779189 A JP14779189 A JP 14779189A JP 14779189 A JP14779189 A JP 14779189A JP H0561962 B2 JPH0561962 B2 JP H0561962B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- solvent
- polluted
- steam
- distillation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002904 solvent Substances 0.000 claims description 66
- 238000004821 distillation Methods 0.000 claims description 41
- 238000011069 regeneration method Methods 0.000 claims description 35
- 230000008929 regeneration Effects 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 20
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 2
- 231100000719 pollutant Toxicity 0.000 claims description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は電子部品、機械部品、医療器具等を洗
浄装置で溶剤洗浄した後に生じる汚濁溶剤を、蒸
留再生するための方法および装置に係るものであ
つて、人体、環境等に有害な溶剤、可燃性が強く
使用に危険性を伴う溶剤等を蒸留再生する場合
に、特に有効なものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method and apparatus for distilling and regenerating polluted solvents generated after cleaning electronic parts, mechanical parts, medical instruments, etc. with solvents using cleaning equipment. Therefore, it is particularly effective when recycling solvents that are harmful to the human body, the environment, etc., highly flammable and dangerous to use, etc. by distillation.
従来の技術
従来、電子部品、機械部品、医療器具等の洗浄
を行う場合、フロン、トリクロールエチレン等の
人体、環境等に悪影響を及ぼす溶剤が、被洗浄物
の洗浄液として多用されているため、これらから
生じる汚濁溶剤が多量に発生する。Conventional Technology Conventionally, when cleaning electronic parts, mechanical parts, medical instruments, etc., solvents such as fluorocarbons and trichlorethylene, which have a negative impact on the human body and the environment, are often used as cleaning solutions for the objects to be cleaned. A large amount of polluting solvent is generated from these.
この汚濁溶剤の再生は、濾過方式と蒸留方式と
が存在する。しかし、濾過方式は、汚濁の除去が
不十分で実用的でないし、蒸留方式のものは蒸留
再生装置から外部への溶剤ガスの漏洩問題が完全
には解決されていない。 There are two methods for regenerating this polluted solvent: a filtration method and a distillation method. However, the filtration method is not practical because of insufficient removal of contaminants, and the distillation method does not completely solve the problem of leakage of solvent gas from the distillation regeneration device to the outside.
そこで人体、環境等に悪影響を及ぼす事が少な
い溶剤として、イソプロピルアルコール等のアル
コール類とか、他の可燃性溶剤を洗浄液として用
いることが考慮される。 Therefore, consideration has been given to using alcohols such as isopropyl alcohol or other flammable solvents as a cleaning liquid as solvents that have less negative effects on the human body, the environment, and the like.
しかしながら、これらのものは強い引火性を有
するため、蒸留再生作業に高い危険性を伴ない、
実施は困難なものであつた。特にこれらの可燃性
溶剤は、溶剤ガスが装置外に漏洩流出したとき
に、外部機器が発生させる、スパーク、静電気等
により発火する危険性が高いものであつた。この
危険性を除去する目的で開発されたものも存在す
るが、複雑な機構で装置を高価として、実用的な
使用は困難なものであつた。 However, these materials are highly flammable, so distillation and regeneration work is highly dangerous.
Implementation was difficult. In particular, these flammable solvents have a high risk of being ignited by sparks, static electricity, etc. generated by external equipment when the solvent gas leaks out of the apparatus. Although some devices have been developed to eliminate this risk, they have complicated mechanisms and are expensive, making them difficult to use practically.
発明が解決しよとする問題点
本発明は上述のごとき問題点を解決しようとす
るものであつて、イソプロピルアルコール等のア
ルコール類とか、他の汚濁した可燃性溶剤を蒸留
方式で再生しながら、高度の安全性の確保を可能
にするとともにフロン、トリクロールエチレン等
の人体、環境等に悪影響を及ぼす溶剤の蒸留再生
の場合にも、大気中への溶剤の拡散を確実に防止
しよ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. This system not only ensures a high level of safety, but also ensures that the diffusion of solvents into the atmosphere is prevented in the case of distillation recycling of solvents that have a negative impact on the human body and the environment, such as fluorocarbons and trichlorethylene. It is.
問題点を解決するための手段
本発明は上述のごとき問題点を解決するため、
汚濁溶剤の加熱手段および発生した蒸気の凝縮手
段を備えた蒸留再生手段を不燃性液体中に位置
し、この不燃性液体中で蒸留再生手段を作動し
て、汚濁溶剤の蒸留再生を行うものである。Means for Solving the Problems The present invention solves the above problems by:
A distillation regeneration means equipped with a heating means for the polluted solvent and a means for condensing the generated vapor is located in a nonflammable liquid, and the distillation regeneration means is operated in the nonflammable liquid to perform distillation regeneration of the polluted solvent. be.
また、これを実現する具体的装置は、不燃性液
体を収納する収納槽と、この収納槽の不燃性液体
内に、全没状態で設置するとともに汚濁溶剤の加
熱手段および発生した蒸気の凝縮手段を備えた蒸
留再生手段とから成るものである。 The specific equipment for achieving this includes a storage tank that stores a nonflammable liquid, a storage tank that is completely immersed in the nonflammable liquid, and a means for heating the polluting solvent and a means for condensing the generated vapor. and distillation regeneration means.
また、収納槽は、常温槽と冷却槽に区画し、常
温槽には汚濁溶剤を加熱し蒸気を発生させる蒸気
発生槽を水没させ、冷却槽には蒸気を凝縮する凝
縮槽を水没し、蒸気発生槽と凝縮槽を流通管で接
続したものであつても良い。 In addition, the storage tank is divided into a room temperature tank and a cooling tank.The room temperature tank has a steam generation tank that heats the pollutant solvent and generates steam submerged in water, and the cooling tank has a condensation tank that condenses steam submerged. The generation tank and the condensation tank may be connected by a flow pipe.
また、収納槽は、汚濁溶剤を加熱し蒸気を発生
させる蒸気発生槽の上部に、溶剤蒸気の凝縮を行
うための冷却パイプ内周に巻き回した、凝縮槽を
連続して形成したものであつても良い。 In addition, the storage tank is a condensing tank that is connected to the top of a steam generation tank that heats the polluted solvent and generates steam, and is wound around the inner circumference of a cooling pipe that condenses the solvent vapor. It's okay.
また、不燃性液体は、水であつても良い。 Moreover, the nonflammable liquid may be water.
作 用
本発明は上述のごとく、蒸留再生手段を不燃性
液体中に位置し、この不燃性液体中で蒸留再生手
段を作動して汚濁溶剤の蒸留再生を行うものであ
る。Function As described above, the present invention disposes the distillation regeneration means in a nonflammable liquid, and operates the distillation regeneration means in the nonflammable liquid to perform distillation regeneration of the polluted solvent.
そのため、イソプロピルアルコール等のアルコ
ール類とか、他の汚濁した可燃性溶剤を蒸留再生
し、溶剤ガスの外部への流出が生じた場合にも、
流出した可燃性の溶剤ガスは、水等の不燃性液体
中に溶解し、引火の危険性を全く生じることが無
から、高度の安全性を確保した汚濁溶剤の蒸留再
生を可能にする。 Therefore, even if alcohols such as isopropyl alcohol or other polluted flammable solvents are distilled and recycled and the solvent gas leaks outside,
The leaked flammable solvent gas is dissolved in a non-flammable liquid such as water, and there is no risk of ignition, making it possible to regenerate the contaminated solvent by distillation with a high degree of safety.
また、万一蒸留再生手段内部で発火した場合に
も、蒸留再生手段は不燃性液体中に位置するもの
であるから、外部への危険性を最小限とすること
ができる。 Furthermore, even in the event that a fire ignites inside the distillation regeneration means, the danger to the outside can be minimized because the distillation regeneration means is located in a nonflammable liquid.
また、蒸留再生作業の終了後は、不燃性液体中
に水没させて置けば、特別な安全機構も不要で、
安全な保管管理を可能とする。 In addition, after the distillation regeneration work is completed, if it is submerged in nonflammable liquid, no special safety mechanism is required.
Enables safe storage management.
また、フロン、トリクロールエチレン等の人
体、環境等に悪影響を及ぼす汚濁溶剤を、蒸留再
生する場合にも、これらの溶剤が水等の不燃性液
体よりも比重が重いものであれば、万一蒸留再生
手段から流出した溶剤は、不燃性液体を収納した
収納槽の下底に沈下する。そのため、外部への拡
散の恐れがないばかりでなく、水分分離機を用い
ることにより容易に溶剤の回収も行うことができ
るものである。 Also, when recycling polluting solvents such as fluorocarbons and trichlorethylene that have a negative impact on the human body and the environment, if these solvents have a higher specific gravity than nonflammable liquids such as water, The solvent flowing out from the distillation regeneration means sinks to the bottom of the storage tank containing the nonflammable liquid. Therefore, not only is there no risk of diffusion to the outside, but the solvent can also be easily recovered by using a water separator.
実施例
以下本発明の第１実施例を第１図に於いて説明
すれば、１は収納槽で、水、不燃油等の不燃性液
体２を収納し、この収納槽１内に汚濁溶剤３の蒸
留再生手段４を水没状態で設置している。Embodiment A first embodiment of the present invention will be described below with reference to FIG. The distillation regeneration means 4 is installed submerged in water.
この汚濁溶剤３の蒸留再生手段４は、不燃性液
体２中に水没させた場合に、内部に不燃性液体２
が侵入することのない、液密性を有するものであ
れば、その構成は特に限定されるものではなく、
蒸留再生目的に合致した任意の機構を選択出来る
ものである。 This distillation regeneration means 4 for the polluting solvent 3 has a nonflammable liquid inside it when submerged in the nonflammable liquid 2.
The structure is not particularly limited as long as it is liquid-tight and does not allow intrusion.
Any mechanism that meets the purpose of distillation regeneration can be selected.
一実施例では第１図に示すごとく、収納槽１を
区画壁５により２室に区画し、その一方を、温度
を低くし冷却した不燃性液体２を収納する冷却槽
６とする。また、区画した他方には、特に冷却す
ることの無い、常温または高温の不燃性液体２を
収納した常温槽７としている。 In one embodiment, as shown in FIG. 1, a storage tank 1 is divided into two chambers by a partition wall 5, one of which is a cooling tank 6 that stores a nonflammable liquid 2 that has been cooled to a low temperature. In addition, the other partitioned area is a normal temperature tank 7 that stores a nonflammable liquid 2 at room temperature or high temperature, which is not particularly cooled.
そして、この常温槽７には、汚濁溶剤３を充填
した蒸気発生槽８を水没収納する。この蒸気発生
槽８には、スチーム、熱油等で加熱される加熱部
１０を設け、汚濁溶剤３を加熱して蒸気１１を発
生させる。 A steam generating tank 8 filled with the polluting solvent 3 is submerged in the room temperature tank 7. This steam generation tank 8 is provided with a heating section 10 that is heated with steam, hot oil, etc., and heats the polluting solvent 3 to generate steam 11.
また、冷却槽６には、蒸気発生槽８と蒸気の流
通管１２で連結した凝縮槽１３を、冷却した不燃
性液体２中に水没して形成する。そして、蒸気発
生槽８から送られる蒸気１１を凝縮液化する。こ
の凝縮液化は、冷却した不燃性液体２を、冷却槽
６に充填する事によつて行つても良い。また、他
の方法では、冷却水を流通した冷却パイプ（図示
せず）を、冷却槽６の内部に巻き回して行つても
良い。また、その双方を併用しても良いことは勿
論である。 Further, in the cooling tank 6, a condensing tank 13 connected to the steam generation tank 8 through a steam distribution pipe 12 is formed by submerging it in the cooled nonflammable liquid 2. Then, the steam 11 sent from the steam generation tank 8 is condensed and liquefied. This condensation and liquefaction may be performed by filling the cooling tank 6 with the cooled nonflammable liquid 2. In another method, a cooling pipe (not shown) through which cooling water flows may be wound around inside the cooling tank 6. Moreover, it goes without saying that both may be used in combination.
また、蒸気発生槽８への汚濁溶剤３の供給およ
び凝縮液化した浄化溶剤１４の回収は、不燃性液
体２を冷却槽６および常温槽７から抜き取り、蒸
気発生槽８および凝縮槽１３の蓋体１５を開放し
て行つても可能である。しかし、溶剤ガスの拡散
の問題を生じるので、蒸気発生槽８には汚濁溶剤
３の供給管（図示せず）を、凝縮槽１３には浄化
溶剤１４の回収管（図示せず）を接続し、収納槽
１外の目的機構に接続するのが好ましいものであ
る。 Furthermore, in order to supply the polluted solvent 3 to the steam generation tank 8 and recover the condensed and liquefied purified solvent 14, the nonflammable liquid 2 is extracted from the cooling tank 6 and the normal temperature tank 7, and the lids of the steam generation tank 8 and the condensation tank 13 are It is also possible to do this with 15 open. However, since this causes a problem of solvent gas diffusion, a supply pipe (not shown) for the polluting solvent 3 is connected to the steam generation tank 8, and a collection pipe (not shown) for the purified solvent 14 is connected to the condensation tank 13. , it is preferable to connect to a target mechanism outside the storage tank 1.
また、蒸留再生作業の完了後は、蒸気発生槽
８、凝縮槽１３から成る蒸留再生手段４が水没す
るまで、収納槽１に不燃性液体２を満たし、次回
の洗浄作業時まで待機させる。 Further, after the completion of the distillation regeneration work, the storage tank 1 is filled with the nonflammable liquid 2 until the distillation regeneration means 4 consisting of the steam generation tank 8 and the condensation tank 13 is submerged in water, and is kept on standby until the next cleaning work.
また、上気の第１実施例では収納槽１を、常温
槽７と冷却槽６に区画し、常温槽７に蒸気発生槽
８を位置し、冷却槽６に凝縮槽１３を位置するこ
とにより、冷却槽６と常温槽７とを収納槽１内に
並列に設置した。 In addition, in the first embodiment of upper air, the storage tank 1 is divided into a room temperature tank 7 and a cooling tank 6, and the steam generation tank 8 is located in the room temperature tank 7, and the condensation tank 13 is located in the cooling tank 6. A cooling tank 6 and a normal temperature tank 7 were installed in parallel in the storage tank 1.
しかし、他の異なる実施例に於いて収納槽１
は、第２図に示すごとく、汚濁溶剤３を加熱し蒸
気を発生させる蒸気発生槽８の上部に、溶剤蒸気
の凝縮を行うための冷却パイプ１６を内周に巻き
回した、凝縮槽１３を連続して形成する。この構
成を用いる事により、第１実施例に比較し、装置
の占有床面積を小さく出来る利点を有している。 However, in other different embodiments, the storage tank 1
As shown in FIG. 2, a condensing tank 13 is installed on the top of a steam generating tank 8 that heats the polluted solvent 3 to generate steam, and a cooling pipe 16 for condensing the solvent vapor is wound around the inner circumference. Form continuously. By using this configuration, there is an advantage that the floor area occupied by the apparatus can be reduced compared to the first embodiment.
上述のごとく、上記実施例は、蒸留再生手段４
を不燃性液体２中に位置し、この不燃性液体２中
で蒸留再生手段４を作動して汚濁溶剤３の浄化を
行うものである。そのため、人体、環境等に悪影
響を及ぼす溶剤、可燃性溶剤等の溶剤ガスが、蒸
留再生手段４から外部へ流出を生じた場合にも、
流出した溶剤ガス不燃性液体中に溶解したり、分
離保持されて引火の危険性を全く生じることが無
い。 As mentioned above, in the above embodiment, the distillation regeneration means 4
is placed in the nonflammable liquid 2, and the distillation regeneration means 4 is operated in the nonflammable liquid 2 to purify the polluted solvent 3. Therefore, even if solvent gas such as a solvent or flammable solvent that has an adverse effect on the human body or the environment leaks out from the distillation regeneration means 4,
The outflowing solvent gas will not be dissolved in the nonflammable liquid or will be kept separate and will not pose any risk of ignition.
その結果、高度の安全性を確保した蒸留再生を
可能にするとともに万一、蒸留再生手段４内部で
発火した場合にも、蒸留再生手段４は不燃性液体
２中に位置するものであるから、外部への危険性
を最小限とすることができる。 As a result, it is possible to carry out distillation regeneration with a high level of safety, and even if a fire occurs inside the distillation regeneration means 4, the distillation regeneration means 4 is located within the nonflammable liquid 2. The danger to the outside can be minimized.
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、イソプロピルアルコール等のアルコール類と
か、他の汚濁可燃性溶剤を蒸留再生するのに、高
度の安全性の確保を廉価に可能にする。Effects of the Invention Since the present invention is configured as described above, it is possible to ensure a high degree of safety at a low cost when recycling alcohols such as isopropyl alcohol and other polluting flammable solvents by distillation.
また、フロン、トリクロールエチレン等の人
体、環境等に悪影響を及ぼす汚濁溶剤の蒸留再生
にも、大気中への溶剤ガスの拡散を確実に防止す
る事が出来るものである。 Furthermore, it is also possible to reliably prevent the diffusion of solvent gas into the atmosphere when recycling polluting solvents such as fluorocarbons and trichlorethylene that have a negative impact on the human body and the environment.
図面は本発明の実施例を示すものであつて、第
１図は汚濁溶剤の蒸留再生状態を示す断面図、第
２図は第２実施例の蒸留再生状態を示す断面図で
ある。
１……収納槽、２……不燃性液体、３……汚濁
溶剤、４……蒸留再生手段、６……冷却槽、７…
…常温槽、８……蒸気発生槽、１２……流通管、
１３……凝縮槽。
The drawings show embodiments of the present invention, in which FIG. 1 is a sectional view showing a state of distillation regeneration of a polluted solvent, and FIG. 2 is a sectional view showing a state of distillation regeneration of a second embodiment. 1... Storage tank, 2... Nonflammable liquid, 3... Polluting solvent, 4... Distillation regeneration means, 6... Cooling tank, 7...
... normal temperature tank, 8 ... steam generation tank, 12 ... distribution pipe,
13...Condensation tank.
Claims (1)
縮手段を備えた蒸留再生手段を不燃性液体中に位
置し、この不燃性液体中で蒸留再生手段を作動し
て、汚濁溶剤の蒸留再生を行うことを特徴とする
汚濁溶剤の蒸留再生方法。 ２ 不燃性液体を収納する収納槽と、この収納槽
の不燃性液体内に、全没状態で設置するとともに
汚濁溶剤の加熱手段および発生した蒸気の凝縮手
段を備えた蒸留再生手段とから成ることを特徴と
する汚濁溶剤の蒸留再生装置。 ３ 収納槽は、常温槽と冷却槽に区画し、常温槽
には汚濁溶剤を加熱し蒸気を発生させる蒸気発生
槽を水没させ、冷却槽には蒸気を凝縮する凝縮槽
を水没し、蒸気発生槽と凝縮槽を流通管で接続し
た事を特徴とする請求項１記載の汚濁溶剤の蒸留
再生方法。 ４ 収納槽は、常温槽と冷却槽に区画し、常温槽
には汚濁溶剤を加熱し蒸気を発生させる蒸気発生
槽を水没させ、冷却槽には蒸気を凝縮する凝縮槽
を水没し、蒸気発生槽と凝縮槽を流通管で接続し
た事を特徴とする請求項２記載の汚濁溶剤の蒸留
再生装置。 ５ 収納槽は、汚濁溶剤を加熱し蒸気を発生させ
る蒸気発生槽の上部に、溶剤蒸気の凝縮を行うた
めの冷却パイプ内周に巻き回した、凝縮槽を連続
して形成したものである事を特徴とする請求項１
記載の汚濁溶剤の蒸留再生方法。 ６ 収納槽は、汚濁溶剤を加熱し蒸気を発生させ
る蒸気発生槽の上部に、溶剤蒸気の凝縮を行うた
めの冷却パイプを内周に巻き回した、凝縮槽を連
続して形成したものである事を特徴とする請求項
２記載の汚濁溶剤の蒸留再生装置。 ７ 不燃性液体は、水であることを特徴とする請
求項１または３または５記載の汚濁溶剤の蒸留再
生方法。 ８ 不燃性液体は、水であることを特徴とする請
求項２または４または６記載の汚濁溶剤の蒸留再
生装置。[Scope of Claims] 1. A distillation regeneration means equipped with a means for heating the polluted solvent and a means for condensing the generated vapor is located in a nonflammable liquid, and the distillation and regeneration means is operated in the nonflammable liquid to remove the polluted solvent. A method for distilling and regenerating a polluted solvent, characterized by performing distillation regeneration of a polluted solvent. 2 Consisting of a storage tank for storing a nonflammable liquid, and a distillation regeneration means that is installed completely immersed in the nonflammable liquid of the storage tank and is equipped with means for heating the polluting solvent and means for condensing the generated vapor. A distillation regeneration device for polluted solvents, which is characterized by: 3. The storage tank is divided into a room temperature tank and a cooling tank.The room temperature tank has a steam generation tank that heats the polluting solvent and generates steam submerged in water, and the cooling tank has a condensation tank that condenses steam submerged to generate steam. 2. The method for distilling and regenerating polluted solvent according to claim 1, wherein the tank and the condensing tank are connected by a flow pipe. 4 The storage tank is divided into a room temperature tank and a cooling tank.The room temperature tank has a steam generation tank that heats the pollutant solvent and generates steam submerged in water, and the cooling tank has a condensation tank that condenses steam submerged to generate steam. 3. The distillation regeneration apparatus for polluted solvent according to claim 2, wherein the tank and the condensation tank are connected by a flow pipe. 5. The storage tank shall consist of a condensing tank that is connected to the top of a steam generation tank that heats the polluted solvent and generates steam, and is wrapped around the inner circumference of a cooling pipe that condenses the solvent vapor. Claim 1 characterized by
Distillation regeneration method of the polluted solvent described. 6. The storage tank is a condensing tank that is connected to the top of a steam generation tank that heats the polluted solvent and generates steam, with a cooling pipe wrapped around the inner circumference to condense the solvent vapor. The distillation regeneration apparatus for polluted solvent according to claim 2, characterized in that: 7. The method for distilling and regenerating a polluted solvent according to claim 1, 3 or 5, wherein the nonflammable liquid is water. 8. The apparatus for distilling and regenerating polluted solvents according to claim 2, 4, or 6, wherein the nonflammable liquid is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14779189A JPH0312203A (en) | 1989-06-09 | 1989-06-09 | Process and apparatus for regenerating contaminated solvent by distillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14779189A JPH0312203A (en) | 1989-06-09 | 1989-06-09 | Process and apparatus for regenerating contaminated solvent by distillation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0312203A JPH0312203A (en) | 1991-01-21 |
| JPH0561962B2 true JPH0561962B2 (en) | 1993-09-07 |
Family
ID=15438289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14779189A Granted JPH0312203A (en) | 1989-06-09 | 1989-06-09 | Process and apparatus for regenerating contaminated solvent by distillation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312203A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05203A (en) * | 1991-06-25 | 1993-01-08 | Japan Field Kk | Method and device for distilling and regenerating solvent |
-
1989
- 1989-06-09 JP JP14779189A patent/JPH0312203A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312203A (en) | 1991-01-21 |
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