JP2003175350A - Solvent reusing system - Google Patents
Solvent reusing systemInfo
- Publication number
- JP2003175350A JP2003175350A JP2001378859A JP2001378859A JP2003175350A JP 2003175350 A JP2003175350 A JP 2003175350A JP 2001378859 A JP2001378859 A JP 2001378859A JP 2001378859 A JP2001378859 A JP 2001378859A JP 2003175350 A JP2003175350 A JP 2003175350A
- Authority
- JP
- Japan
- Prior art keywords
- waste liquid
- solvent
- storage tank
- pipe
- pump
- 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
- 239000002904 solvent Substances 0.000 title claims abstract description 111
- 239000002699 waste material Substances 0.000 claims abstract description 178
- 239000007788 liquid Substances 0.000 claims abstract description 170
- 238000011084 recovery Methods 0.000 claims abstract description 72
- 238000004821 distillation Methods 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 238000012546 transfer Methods 0.000 claims description 25
- 239000003973 paint Substances 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 102100028780 AP-1 complex subunit sigma-2 Human genes 0.000 description 1
- 101100055680 Homo sapiens AP1S2 gene Proteins 0.000 description 1
- 101100533652 Homo sapiens SLIRP gene Proteins 0.000 description 1
- 101000631695 Homo sapiens Succinate dehydrogenase assembly factor 3, mitochondrial Proteins 0.000 description 1
- 102100025491 SRA stem-loop-interacting RNA-binding protein, mitochondrial Human genes 0.000 description 1
- 102100028996 Succinate dehydrogenase assembly factor 3, mitochondrial Human genes 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000000199 molecular distillation Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、溶剤を再利用する
溶剤再利用システムに関する。TECHNICAL FIELD The present invention relates to a solvent reuse system for reusing a solvent.
【０００２】[0002]
【従来の技術】従来より、図３に示す如く、複数の塗装
機１０１から被塗装物に向けて噴射される溶剤入り塗料
の廃液１０２を回収する複数の廃液回収ホッパ１０３
と、廃液配管１０４を介して各廃液回収ホッパ１０３に
接続され、流入する廃液１０２を貯留する廃液貯留槽１
０５と、回収ポンプ１０６を介設した廃液配管１０７を
介して廃液貯留槽１０５に接続され、流入する廃液１０
２を貯留する廃液貯留槽１０８とを備える廃液回収シス
テム１００が知られている。2. Description of the Related Art Conventionally, as shown in FIG. 3, a plurality of waste liquid recovery hoppers 103 for recovering a waste liquid 102 of solvent-containing paint sprayed from a plurality of coating machines 101 toward an object to be coated.
And a waste liquid storage tank 1 that is connected to each waste liquid recovery hopper 103 through a waste liquid pipe 104 and stores the inflowing waste liquid 102.
05 and the waste liquid 10 that is connected to the waste liquid storage tank 105 via the waste liquid pipe 107 having the recovery pump 106 interposed therebetween.
A waste liquid recovery system 100 including a waste liquid storage tank 108 that stores 2 is known.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記従来の廃
液回収システム１００は、下記の理由により、廃液配管
１０４、１０７や回収ポンプ１０６内で廃液１０２が、
固化、沈殿、分離等を起こし詰まる。
・時間経過に伴って揮発性有機化合物（ＶＯＣ）の割合
が増加していく。
・廃液１０２は、廃液配管１０４、１０７や回収ポンプ
１０６内を常時、流れていない。However, in the conventional waste liquid recovery system 100, the waste liquid 102 in the waste liquid pipes 104 and 107 and the recovery pump 106 is
Clogs due to solidification, precipitation, separation, etc. -The ratio of volatile organic compounds (VOC) increases with the passage of time. The waste liquid 102 does not always flow in the waste liquid pipes 104 and 107 and the recovery pump 106.
【０００４】配管内の詰まりを防ぐために、配管内の高
圧洗浄（３００万円／年）、または配管等の取り替え
（８００万円／回）を行う必要があり、多額のメンテナ
ンス費用がかかる。廃液１０２が多量に発生するので、
廃液１０２を回収してもらう廃液回収業者に支払う処理
費用が嵩む。In order to prevent clogging of the pipe, it is necessary to perform high-pressure washing (3 million yen / year) or replace the pipe (8 million yen / time), which requires a large maintenance cost. Since a large amount of waste liquid 102 is generated,
The processing cost paid to the waste liquid recovery company who collects the waste liquid 102 increases.
【０００５】本発明の第１の目的は、廃液が管路内で固
化し難い溶剤再利用システムの提供にある。本発明の第
２の目的は、メンテナンス費用が節約できる溶剤再利用
システムの提供にある。本発明の第３の目的は、廃液の
処理費用が低減できる溶剤再利用システムの提供にあ
る。A first object of the present invention is to provide a solvent reuse system in which waste liquid is hard to solidify in a pipe line. A second object of the present invention is to provide a solvent reuse system that can save maintenance costs. A third object of the present invention is to provide a solvent reuse system capable of reducing waste liquid processing costs.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明は以下の構成を採用した。
（１）溶剤再利用システムは、塗装機から被塗装物に向
けて噴射される溶剤入り塗料の廃液を回収する廃液回収
ホッパと、廃液配管を介して前記廃液回収ホッパに接続
され、流入する前記廃液を貯留する廃液貯留槽と、廃液
導入ポンプを介設した廃液導入配管を介して前記廃液貯
留槽に接続され、蒸留により廃液中の溶剤を分離する蒸
留装置と、溶剤ポンプを介設した溶剤配管を介して前記
蒸留装置に接続され、前記蒸留装置で分離された溶剤を
一時貯留する溶剤貯留タンクと、該溶剤貯留タンクと前
記廃液回収ホッパとを接続する溶剤移送配管に介設さ
れ、溶剤貯留タンク内の溶剤を前記廃液回収ホッパに適
量移送する溶剤移送ポンプとを備える。In order to achieve the above object, the present invention has the following constitutions. (1) The solvent reuse system is connected to a waste liquid recovery hopper that collects a waste liquid of a solvent-containing paint that is sprayed from a coating machine toward an object to be coated, and a waste liquid recovery hopper that is connected via a waste liquid pipe, and flows in. A waste liquid storage tank for storing the waste liquid, a distillation apparatus connected to the waste liquid storage tank via a waste liquid introduction pipe provided with a waste liquid introduction pump, and a distillation apparatus for separating the solvent in the waste liquid by distillation, and a solvent via a solvent pump Connected to the distillation apparatus via a pipe, a solvent storage tank for temporarily storing the solvent separated by the distillation apparatus, and a solvent transfer pipe that connects the solvent storage tank and the waste liquid recovery hopper, and is provided with a solvent. And a solvent transfer pump for transferring an appropriate amount of the solvent in the storage tank to the waste liquid recovery hopper.
【０００７】（２）溶剤再利用システムは、塗装機から
被塗装物に向けて噴射される溶剤入り塗料の廃液を回収
する廃液回収ホッパと、第１の廃液配管を介して前記廃
液回収ホッパに接続され、流入する前記廃液を貯留する
一次廃液貯留槽と、回収ポンプを介設した第２の廃液配
管を介して前記一次廃液貯留槽に接続され、流入する前
記廃液を貯留する二次廃液貯留槽と、廃液導入ポンプを
介設した廃液導入配管を介して前記二次廃液貯留槽に接
続され、蒸留により廃液中の溶剤を分離する蒸留装置
と、溶剤ポンプを介設した溶剤配管を介して前記蒸留装
置に接続され、前記蒸留装置で分離された溶剤を一時貯
留する溶剤貯留タンクと、該溶剤貯留タンクと前記廃液
回収ホッパとを接続する溶剤移送配管に介設され、溶剤
貯留タンク内の溶剤を前記廃液回収ホッパに適量移送す
る溶剤移送ポンプとを備える。(2) The solvent reuse system includes a waste liquid recovery hopper for recovering a waste liquid of a solvent-containing paint sprayed from a coating machine toward an object to be coated, and a waste liquid recovery hopper via a first waste liquid pipe. A secondary waste liquid storage tank that is connected to and stores the inflowing waste fluid, and a primary waste fluid storage tank that stores the inflowing waste fluid and a second waste fluid storage tank that is connected to the primary waste fluid storage tank via a second waste fluid pipe having a recovery pump A tank and a distillation device that is connected to the secondary waste liquid storage tank through a waste liquid introduction pipe provided with a waste liquid introduction pump, separates the solvent in the waste liquid by distillation, and a solvent pipe provided with a solvent pump. A solvent storage tank that is connected to the distillation apparatus and temporarily stores the solvent separated by the distillation apparatus, and is provided in a solvent transfer pipe that connects the solvent storage tank and the waste liquid recovery hopper, and solvent And a solvent transfer pump an appropriate amount transferred to the waste liquid recovery hopper.
【０００８】（３）溶剤再利用システムは、上記（１）
または（２）の構成を有し、前記塗装機は複数個設けら
れ、前記廃液回収ホッパは各塗装機に対応して複数個設
けられることを特徴とする。(3) The solvent reuse system is the same as the above (1).
Alternatively, it has the configuration of (2), and a plurality of the coating machines are provided, and a plurality of the waste liquid recovery hoppers are provided corresponding to each coating machine.
【０００９】[0009]
【作用および発明の効果】［請求項１について］廃液回
収ホッパは、塗装機から被塗装物に向けて噴射される溶
剤入り塗料の廃液を回収する。ACTION AND EFFECT OF THE INVENTION [Claim 1] The waste liquid recovery hopper recovers the waste liquid of the solvent-containing paint sprayed from the coating machine toward the object to be coated.
【００１０】廃液貯留槽は、廃液配管を介して廃液回収
ホッパに接続され、流入する廃液を貯留する。蒸留装置
は、廃液導入ポンプを介設した廃液導入配管を介して廃
液貯留槽に接続され、蒸留により廃液中の溶剤を分離す
る。The waste liquid storage tank is connected to a waste liquid recovery hopper via a waste liquid pipe and stores the inflowing waste liquid. The distillation apparatus is connected to a waste liquid storage tank via a waste liquid introduction pipe provided with a waste liquid introduction pump, and separates the solvent in the waste liquid by distillation.
【００１１】溶剤貯留タンクは、溶剤ポンプを介設した
溶剤配管を介して蒸留装置に接続され、蒸留装置で分離
された溶剤を一時貯留する。溶剤移送ポンプは、溶剤貯
留タンクと廃液回収ホッパとを接続する溶剤移送配管に
介設され、溶剤貯留タンク内の溶剤を廃液回収ホッパに
適量移送する。The solvent storage tank is connected to the distillation apparatus via a solvent pipe provided with a solvent pump, and temporarily stores the solvent separated by the distillation apparatus. The solvent transfer pump is provided in a solvent transfer pipe that connects the solvent storage tank and the waste liquid recovery hopper, and transfers an appropriate amount of the solvent in the solvent storage tank to the waste liquid recovery hopper.
【００１２】蒸留装置で分離して溶剤貯留タンク内に一
時貯留中の溶剤を溶剤移送ポンプが廃液回収ホッパに適
量移送する構成であるので、管路内での揮発性有機化合
物の割合の増加が防止でき、廃液が管路内で固化し難
い。Since the solvent transfer pump transfers an appropriate amount of the solvent separated by the distillation apparatus and temporarily stored in the solvent storage tank to the waste liquid recovery hopper, the proportion of volatile organic compounds in the pipeline increases. It can be prevented and the waste liquid is hard to solidify in the pipeline.
【００１３】管路内での廃液の詰まりが防止できるの
で、配管内の高圧洗浄や配管等の取り替えが不要であ
り、メンテナンス費用が節約できる。溶剤を再利用する
構成であるので処理する廃液の量が減り、廃液の処理費
用が節約できる。Since clogging of the waste liquid in the pipe line can be prevented, high-pressure washing in the pipe and replacement of the pipe are unnecessary, and maintenance costs can be saved. Since the solvent is reused, the amount of waste liquid to be processed is reduced, and the waste liquid processing cost can be saved.
【００１４】［請求項２について］廃液回収ホッパは、
塗装機から被塗装物に向けて噴射される溶剤入り塗料の
廃液を回収する。[Claim 2] The waste liquid recovery hopper is
The waste liquid of solvent-containing paint that is sprayed from the coating machine toward the object to be coated is collected.
【００１５】一次廃液貯留槽は、第１の廃液配管を介し
て廃液回収ホッパに接続され、流入する廃液を貯留す
る。二次廃液貯留槽は、回収ポンプを介設した第２の廃
液配管を介して一次廃液貯留槽に接続され、流入する廃
液を貯留する。The primary waste liquid storage tank is connected to the waste liquid recovery hopper via the first waste liquid pipe and stores the inflowing waste liquid. The secondary waste liquid storage tank is connected to the primary waste liquid storage tank via a second waste liquid pipe provided with a recovery pump, and stores the inflowing waste liquid.
【００１６】蒸留装置は、廃液導入ポンプを介設した廃
液導入配管を介して二次廃液貯留槽に接続され、蒸留に
より廃液中の溶剤を分離する。溶剤貯留タンクは、溶剤
ポンプを介設した溶剤配管を介して蒸留装置に接続さ
れ、蒸留装置で分離された溶剤を一時貯留する。溶剤移
送ポンプは、溶剤貯留タンクと廃液回収ホッパとを接続
する溶剤移送配管に介設され、溶剤貯留タンク内の溶剤
を廃液回収ホッパに適量移送する。The distillation apparatus is connected to the secondary waste liquid storage tank via a waste liquid introducing pipe provided with a waste liquid introducing pump, and separates the solvent in the waste liquid by distillation. The solvent storage tank is connected to the distillation apparatus via a solvent pipe provided with a solvent pump, and temporarily stores the solvent separated by the distillation apparatus. The solvent transfer pump is provided in a solvent transfer pipe that connects the solvent storage tank and the waste liquid recovery hopper, and transfers an appropriate amount of the solvent in the solvent storage tank to the waste liquid recovery hopper.
【００１７】蒸留装置で分離して溶剤貯留タンク内に一
時貯留中の溶剤を溶剤移送ポンプが廃液回収ホッパに適
量移送する構成であるので、管路内での揮発性有機化合
物の割合の増加が防止でき、廃液が管路内で固化し難
い。Since the solvent transfer pump transfers an appropriate amount of the solvent separated by the distillation apparatus and temporarily stored in the solvent storage tank to the waste liquid recovery hopper, the proportion of volatile organic compounds in the pipeline increases. It can be prevented and the waste liquid is hard to solidify in the pipeline.
【００１８】管路内での廃液の詰まりが防止できるの
で、配管内の高圧洗浄や配管等の取り替えが不要であ
り、メンテナンス費用が節約できる。溶剤を再利用する
構成であるので処理する廃液の量が減り、廃液の処理費
用が節約できる。Since clogging of the waste liquid in the pipe line can be prevented, high-pressure washing in the pipe and replacement of the pipe are unnecessary, and maintenance costs can be saved. Since the solvent is reused, the amount of waste liquid to be processed is reduced, and the waste liquid processing cost can be saved.
【００１９】一次廃液貯留槽と二次廃液貯留槽とを設け
ているので、常時、蒸留用の廃液が安定して確保でき、
蒸留装置を効率良く運転できる。Since the primary waste liquid storage tank and the secondary waste liquid storage tank are provided, the waste liquid for distillation can always be stably secured,
The distillation apparatus can be operated efficiently.
【００２０】［請求項３について］塗料の色毎、塗装部
位毎、または異なる塗装ライン毎に塗装機を用意する必
要があるので、塗装機を複数個設けている。このため、
各塗装機に対応して、廃液回収ホッパを複数個設ける必
要がある。[Claim 3] A plurality of coating machines are provided because it is necessary to prepare a coating machine for each color of the coating material, each coating site, or each different coating line. For this reason,
It is necessary to provide multiple waste liquid recovery hoppers for each coating machine.
【００２１】[0021]
【発明の実施の形態】つぎに、本発明の一実施例（請求
項２、３に対応）に係る溶剤再利用システムＡを図１に
基づいて説明する。溶剤再利用システムＡは、図１に示
す如く、廃液回収ホッパ１、１と、回収タンク２（一次
廃液貯留槽）と、回収用ドラム缶３（二次廃液貯留槽）
と、蒸留により廃液１１中のシンナー４０を分離する蒸
留装置４と、シンナー４０を一時貯留するシンナー貯留
タンク５（溶剤貯留タンク）と、シンナー４０を廃液回
収ホッパ１、１に移送する溶剤移送ポンプ６とを備え
る。BEST MODE FOR CARRYING OUT THE INVENTION Next, a solvent reuse system A according to an embodiment of the present invention (corresponding to claims 2 and 3) will be described with reference to FIG. As shown in FIG. 1, the solvent reuse system A includes a waste liquid recovery hopper 1, 1, a recovery tank 2 (primary waste liquid storage tank), and a recovery drum 3 (secondary waste liquid storage tank).
A distillation device 4 for separating the thinner 40 in the waste liquid 11 by distillation, a thinner storage tank 5 (solvent storage tank) for temporarily storing the thinner 40, and a solvent transfer pump for transferring the thinner 40 to the waste liquid recovery hoppers 1, 1. 6 and 6.
【００２２】廃液回収ホッパ１、１は、コンベア（図示
せず）上を移動する車体ボディ（被塗装物）に対して複
数の塗装機１０、１０から噴射される溶剤入り塗料１２
の廃液１１を回収するための容器である。The waste liquid recovery hoppers 1 and 1 are solvent-containing paints 12 sprayed from a plurality of coating machines 10 and 10 onto a vehicle body (object to be coated) moving on a conveyor (not shown).
This is a container for collecting the waste liquid 11 of.
【００２３】本実施例では、塗装機１０を、塗料の色毎
および塗装部位毎に用意する必要があるので複数個設け
ている。そして、各塗装機１０に対応して、廃液回収ホ
ッパ１を複数個設けている。In this embodiment, a plurality of coating machines 10 are provided because it is necessary to prepare for each color of the coating material and each coating portion. A plurality of waste liquid recovery hoppers 1 are provided corresponding to each coating machine 10.
【００２４】回収タンク２は、廃液配管２１（第１の廃
液配管）を介して廃液回収ホッパ１、１に接続され、廃
液回収ホッパ１、１内に回収された廃液１１を回収す
る。The recovery tank 2 is connected to the waste liquid recovery hoppers 1 and 1 via a waste liquid pipe 21 (first waste liquid pipe), and recovers the waste liquid 11 recovered in the waste liquid recovery hoppers 1 and 1.
【００２５】回収用ドラム缶３は、回収ポンプ３１を介
設した廃液配管３２（第２の廃液配管）を介して回収タ
ンク２に接続され、流入する廃液１１を貯留する。The recovery drum 3 is connected to the recovery tank 2 through a waste liquid pipe 32 (second waste liquid pipe) provided with a recovery pump 31 and stores the inflowing waste liquid 11.
【００２６】蒸留装置４は、廃液導入ポンプ４１を介設
した廃液導入配管４２を介して回収用ドラム缶３に接続
され、蒸留により廃液１１中のシンナー４０を分離す
る。なお、４３はシンナー４０を分離した濃縮廃液４４
を貯留する濃縮廃液タンクである。The distillation apparatus 4 is connected to the recovery drum 3 through a waste liquid introducing pipe 42 provided with a waste liquid introducing pump 41, and separates the thinner 40 in the waste liquid 11 by distillation. Incidentally, 43 is a concentrated waste liquid 44 obtained by separating the thinner 40.
It is a concentrated waste liquid tank for storing.
【００２７】シンナー貯留タンク５は、溶剤ポンプ５１
を介設した溶剤配管５２を介して蒸留装置４に接続さ
れ、蒸留装置４で分離されたシンナー４０を一時貯留す
る。The thinner storage tank 5 includes a solvent pump 51.
The thinner 40, which is connected to the distillation apparatus 4 via the solvent pipe 52 provided in the above and is separated by the distillation apparatus 4, is temporarily stored.
【００２８】溶剤移送ポンプ６は、シンナー貯留タンク
５と廃液回収ホッパ１、１とを接続する溶剤移送配管６
１に介設され、シンナー貯留タンク５内のシンナー４０
を廃液回収ホッパ１、１に適量移送する。The solvent transfer pump 6 is a solvent transfer pipe 6 for connecting the thinner storage tank 5 and the waste liquid recovery hoppers 1 and 1.
1 is installed in the thinner storage tank 5
Is transferred to the waste liquid recovery hoppers 1, 1.
【００２９】なお、シンナー貯留タンク５から溢れる虞
がある余剰のシンナー４０は、塗装機１０、１０のノズ
ル洗浄や、回収業者に引き取って貰う（有料で提供、無
料で提供、回収費を出す）。The excess thinner 40 that may overflow from the thinner storage tank 5 is cleaned by the nozzles of the coating machines 10 and 10 or collected by a collecting company (provided for a fee, provided free of charge, and collects a recovery cost). .
【００３０】本実施例の溶剤再利用システムＡは、以下
の利点を有する。
［ア］蒸留装置４で分離してシンナー貯留タンク５内に
一時貯留中のシンナー４０を溶剤移送ポンプ６が廃液回
収ホッパ１、１に適量移送する構成であるので、管路内
での揮発性有機化合物の割合の増加が防止でき、廃液１
１が管路内で固化し難い。The solvent recycling system A of this embodiment has the following advantages. [A] Since the solvent transfer pump 6 transfers an appropriate amount of the thinner 40 temporarily stored in the thinner storage tank 5 to the waste liquid recovery hoppers 1 and 1 by the distillation apparatus 4, the volatility in the pipeline is reduced. The increase in the ratio of organic compounds can be prevented, and waste liquid 1
1 is hard to solidify in the pipeline.
【００３１】［イ］管路内での廃液１１の詰まりが防止
できるので、配管内の高圧洗浄や配管等の取り替えが不
要であり、メンテナンス費用が節約できる。シンナー４
０を再利用する構成であるので廃棄処理する廃液１１の
量が減り、廃液１１の処理費用が節約できる。[B] Since the clogging of the waste liquid 11 in the pipe line can be prevented, high-pressure washing in the pipe and replacement of the pipe are unnecessary, and maintenance costs can be saved. Thinner 4
Since 0 is reused, the amount of waste liquid 11 to be discarded is reduced, and the processing cost of waste liquid 11 can be saved.
【００３２】［ウ］回収タンク２と回収用ドラム缶３と
を設けているので、常時、蒸留用の廃液１１が安定して
確保でき、蒸留装置４を効率良く運転できる。[C] Since the recovery tank 2 and the recovery drum 3 are provided, the waste liquid 11 for distillation can always be stably secured, and the distillation apparatus 4 can be operated efficiently.
【００３３】本発明は、上記実施例以外に、つぎの実施
態様を含む。
ａ．図２に示す様に、回収タンク２、回収ポンプ３１、
および廃液配管３２を省いても良い（請求項１、３に対
応）。図２において、回収用ドラム缶３（廃液貯留槽）
は、廃液配管２１を介して廃液回収ホッパ１、１に接続
され、流入する廃液１１を貯留する。この溶剤再利用シ
ステムＢは、上記［ア］、［イ］に準じた利点を有す
る。The present invention includes the following embodiments in addition to the above embodiments. a. As shown in FIG. 2, the recovery tank 2, the recovery pump 31,
The waste liquid pipe 32 may be omitted (corresponding to claims 1 and 3). In FIG. 2, a recovery drum 3 (waste liquid storage tank)
Is connected to the waste liquid recovery hoppers 1 and 1 via a waste liquid pipe 21 and stores the inflowing waste liquid 11. This solvent reuse system B has the advantages according to the above [a] and [a].
【００３４】ｂ．蒸留装置は、ＦＤ薄膜蒸留装置、ＭＳ
遠心式分子蒸留装置、ＦＳ流下膜式蒸留装置、反応蒸留
装置、真空蒸留装置等を使用しても良い。B. Distillation equipment is FD thin film distillation equipment, MS
A centrifugal type molecular distillation apparatus, an FS falling film distillation apparatus, a reactive distillation apparatus, a vacuum distillation apparatus or the like may be used.
【図１】本発明の一実施例に係る溶剤再利用システムの
説明図である。FIG. 1 is an explanatory diagram of a solvent reuse system according to an embodiment of the present invention.
【図２】本発明の他の実施例に係る溶剤再利用システム
の説明図である。FIG. 2 is an explanatory diagram of a solvent reuse system according to another embodiment of the present invention.
【図３】従来技術に係る溶剤再利用システムの説明図で
ある。FIG. 3 is an explanatory diagram of a solvent reuse system according to a conventional technique.
Ａ、Ｂ 溶剤再利用システム １ 廃液回収ホッパ ２ 回収タンク（一次廃液貯留槽） ３ 回収用ドラム缶（二次廃液貯留槽、廃液貯留槽） ４ 蒸留装置 ５ シンナー貯留タンク（溶剤貯留タンク） ６ 溶剤移送ポンプ １０ 塗装機 １１ 廃液 １２ 溶剤入り塗料 ２１ 廃液配管（第１の廃液配管） ３１ 回収ポンプ ３２ 廃液配管（第２の廃液配管） ４０ シンナー（溶剤） ４１ 廃液導入ポンプ ４２ 廃液導入配管 ５１ 溶剤ポンプ ５２ 溶剤配管 ６１ 溶剤移送配管 A, B solvent reuse system 1 Waste liquid recovery hopper 2 Recovery tank (primary waste liquid storage tank) 3 Recovery drums (secondary waste liquid storage tank, waste liquid storage tank) 4 distillation equipment 5 Thinner storage tank (solvent storage tank) 6 Solvent transfer pump 10 coating machine 11 waste liquid 12 Solvent-containing paint 21 Waste liquid pipe (first waste liquid pipe) 31 Recovery pump 32 Waste liquid pipe (second waste liquid pipe) 40 thinner (solvent) 41 Waste liquid introduction pump 42 Waste liquid introduction pipe 51 solvent pump 52 Solvent piping 61 Solvent transfer piping
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂詰 良幸 神奈川県横須賀市田浦港町無番地 関東自 動車工業株式会社内 Ｆターム(参考） 4D073 AA01 BB03 DC06 DC07 DC11 DC22 DC23 4D076 AA12 AA22 BB01 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Yoshiyuki Sakazume Kanto own, No. Taura Port Town, Yokosuka City, Kanagawa Prefecture Within Dowa Kogyo Co., Ltd. F-term (reference) 4D073 AA01 BB03 DC06 DC07 DC11 DC22 DC23 4D076 AA12 AA22 BB01
Claims (3)
溶剤入り塗料の廃液を回収する廃液回収ホッパと、 廃液配管を介して前記廃液回収ホッパに接続され、流入
する前記廃液を貯留する廃液貯留槽と、 廃液導入ポンプを介設した廃液導入配管を介して前記廃
液貯留槽に接続され、蒸留により廃液中の溶剤を分離す
る蒸留装置と、 溶剤ポンプを介設した溶剤配管を介して前記蒸留装置に
接続され、前記蒸留装置で分離された溶剤を一時貯留す
る溶剤貯留タンクと、 該溶剤貯留タンクと前記廃液回収ホッパとを接続する溶
剤移送配管に介設され、溶剤貯留タンク内の溶剤を前記
廃液回収ホッパに適量移送する溶剤移送ポンプとを備え
る溶剤再利用システム。1. A waste liquid recovery hopper for recovering a waste liquid of solvent-containing paint sprayed from a coating machine toward an object to be coated, and a waste liquid recovery hopper connected via a waste liquid pipe to store the inflowing waste liquid. A waste liquid storage tank and a distillation device that is connected to the waste liquid storage tank via a waste liquid introduction pipe with a waste liquid introduction pump, separates the solvent in the waste liquid by distillation, and a solvent pipe with a solvent pump. A solvent storage tank that is connected to the distillation apparatus and temporarily stores the solvent separated by the distillation apparatus, and a solvent transfer pipe that connects the solvent storage tank and the waste liquid recovery hopper, is installed in the solvent storage tank. And a solvent transfer pump for transferring an appropriate amount of solvent to the waste liquid recovery hopper.
溶剤入り塗料の廃液を回収する廃液回収ホッパと、 第１の廃液配管を介して前記廃液回収ホッパに接続さ
れ、流入する前記廃液を貯留する一次廃液貯留槽と、 回収ポンプを介設した第２の廃液配管を介して前記一次
廃液貯留槽に接続され、流入する前記廃液を貯留する二
次廃液貯留槽と、 廃液導入ポンプを介設した廃液導入配管を介して前記二
次廃液貯留槽に接続され、蒸留により廃液中の溶剤を分
離する蒸留装置と、 溶剤ポンプを介設した溶剤配管を介して前記蒸留装置に
接続され、前記蒸留装置で分離された溶剤を一時貯留す
る溶剤貯留タンクと、 該溶剤貯留タンクと前記廃液回収ホッパとを接続する溶
剤移送配管に介設され、溶剤貯留タンク内の溶剤を前記
廃液回収ホッパに適量移送する溶剤移送ポンプとを備え
る溶剤再利用システム。2. A waste liquid recovery hopper for recovering a waste liquid of a solvent-containing paint sprayed from a coating machine toward an object to be coated, and a waste liquid flowing into the waste liquid recovery hopper via a first waste liquid pipe. A primary waste liquid storage tank, a secondary waste liquid storage tank which is connected to the primary waste liquid storage tank via a second waste liquid pipe having a recovery pump, and stores the inflowing waste liquid, and a waste liquid introduction pump. Connected to the secondary waste liquid storage tank via an interposed waste liquid introduction pipe, a distillation device for separating the solvent in the waste liquid by distillation, and connected to the distillation device via a solvent pipe via a solvent pump, A solvent storage tank for temporarily storing the solvent separated by the distillation apparatus, and a solvent transfer pipe connecting the solvent storage tank and the waste liquid recovery hopper are provided, and the solvent in the solvent storage tank is transferred to the waste liquid recovery hopper. Suitable Solvent recycling system and a solvent transfer pump for transferring.
回収ホッパは各塗装機に対応して複数個設けられること
を特徴とする請求項１または請求項２記載の溶剤再利用
システム。3. The solvent reuse system according to claim 1, wherein a plurality of the coating machines are provided, and a plurality of the waste liquid recovery hoppers are provided corresponding to each coating machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001378859A JP2003175350A (en) | 2001-12-12 | 2001-12-12 | Solvent reusing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001378859A JP2003175350A (en) | 2001-12-12 | 2001-12-12 | Solvent reusing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003175350A true JP2003175350A (en) | 2003-06-24 |
Family
ID=19186459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001378859A Pending JP2003175350A (en) | 2001-12-12 | 2001-12-12 | Solvent reusing system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003175350A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125424A (en) * | 2008-11-28 | 2010-06-10 | Mitsubishi Motors Corp | Recovery device of waste liquid |
| CN102078847A (en) * | 2009-11-30 | 2011-06-01 | 鸿富锦精密工业（深圳）有限公司 | Liquid recovery device and liquid recovery method by using same |
-
2001
- 2001-12-12 JP JP2001378859A patent/JP2003175350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125424A (en) * | 2008-11-28 | 2010-06-10 | Mitsubishi Motors Corp | Recovery device of waste liquid |
| CN102078847A (en) * | 2009-11-30 | 2011-06-01 | 鸿富锦精密工业（深圳）有限公司 | Liquid recovery device and liquid recovery method by using same |
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