JPH03274299A - Method for supplying cleaning water to spray-type multistage washing device - Google Patents
Method for supplying cleaning water to spray-type multistage washing deviceInfo
- Publication number
- JPH03274299A JPH03274299A JP7216890A JP7216890A JPH03274299A JP H03274299 A JPH03274299 A JP H03274299A JP 7216890 A JP7216890 A JP 7216890A JP 7216890 A JP7216890 A JP 7216890A JP H03274299 A JPH03274299 A JP H03274299A
- Authority
- JP
- Japan
- Prior art keywords
- water
- washing
- tank
- overflow
- water tank
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 238000005406 washing Methods 0.000 title claims abstract description 115
- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 abstract description 19
- 239000003973 paint Substances 0.000 abstract description 13
- 238000004070 electrodeposition Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
本発明は、塗装前処理槽や電着槽の後段に設置されたス
プレー式多段水洗装置の各洗浄水タンクに洗浄水を供給
する方法に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for supplying washing water to each washing water tank of a spray type multi-stage water washing device installed after a painting pre-treatment tank or an electrodeposition tank. .
スプレー式多段水洗装置は、洗浄水タンクに貯溜した洗
浄水をライザー管からスプレーする水洗装置が多段に設
置され、後段側の洗浄水タンクから前段側の洗浄水タン
クに順次オーバーフローして回収された洗浄水を、ウル
トラフィルトレイジョン装置（ＵＦ装置）と称する濾過
装置で浄化して最終段の洗浄水タンクに戻すようになっ
ている（実公昭６２−２６４５６号、実公昭６２−３６
８４９号公報）。Spray-type multi-stage water washing equipment is a multi-stage water washing system that sprays the washing water stored in the washing water tank from the riser pipe, and the water is collected by sequentially overflowing from the washing water tank on the rear stage to the washing water tank on the front stage. Washing water is purified by a filtration device called an ultrafiltration device (UF device) and returned to the final stage washing water tank (Utility Model Publication No. 62-26456, Utility Model Number 62-36).
Publication No. 849).
この水洗装置が稼働している間は、各洗浄水タンクに貯
溜した洗浄水が、ライザー管から被処理物に向けてスプ
レーされ、そのスプレーした洗浄水が当該各洗浄水タン
ク内に回収される同時に、当該各洗浄水タンク内に収容
できない余剰の洗浄水が前段側の洗浄水タンクにオーバ
ーフローしている。While this water washing equipment is in operation, the washing water stored in each washing water tank is sprayed from the riser pipe toward the object to be treated, and the sprayed washing water is collected in each washing water tank. At the same time, excess cleaning water that cannot be accommodated in each cleaning water tank overflows into the preceding cleaning water tank.
そして、水洗装置の稼働を停止して、ライザー管による
洗浄水のスプレーが停止された時は、当該ライザー管の
管内に充たされていた洗浄水が、重力によりその管内か
ら抜は落ちて、洗浄水タンク内に回収されると同時に、
その回収された水量分に相当する洗浄水が、各洗浄水タ
ンクからオーバーフローして排出される。Then, when the operation of the water washing device is stopped and spraying of washing water by the riser pipe is stopped, the washing water that was filled in the pipe of the riser pipe is drawn out from the pipe due to gravity and falls. At the same time as the cleaning water is collected in the tank,
Wash water corresponding to the amount of recovered water overflows and is discharged from each wash water tank.
このため、水洗装置を稼働開始して、各洗浄水タンクに
貯溜された洗浄水を再びライザー管からスプレーし始め
た時に、当該ライザー管の管内に洗浄水が充たされる水
量分（通常、約６００１）だけ、各洗浄水タンク内の水
位が急激に低下する。For this reason, when the water washing device starts operating and the washing water stored in each washing water tank starts to be sprayed from the riser pipe again, the amount of water that fills the riser pipe with washing water (usually about 600 ), the water level in each wash water tank will drop rapidly.
したがって、最終段の洗浄水タンクから洗浄水が再びオ
ーバーフローし始める迄に時間がかかり、更に、そのオ
ーバーフローする洗浄水が順次前段側の各洗浄水タンク
に供給されて、当該各洗浄水タンク内の水位がオーバー
フローを生ずる原水値に復帰する迄に長時間を要するこ
ととなる。Therefore, it takes time for the wash water to start overflowing again from the final stage wash water tank, and furthermore, the overflowing wash water is sequentially supplied to each wash water tank on the previous stage side, and the water in each wash water tank is It will take a long time for the water level to return to the raw water level that causes overflow.
そして、この間においても、塗装前処理や電着を終了し
た被処理物が次々に洗浄されているから、各洗浄水タン
ク内に貯溜された洗浄水中の薬液濃度や塗料濃度が急激
に上昇して、洗浄品質を損なうおそれがあった。During this time, the objects to be treated that have undergone pre-painting treatment and electrodeposition are being washed one after another, so the concentration of chemicals and paint in the cleaning water stored in each cleaning water tank increases rapidly. , there was a risk that cleaning quality would be impaired.
そこで本発明は、スプレー式多段水洗装置の稼働開始時
における各洗浄水タンクの水位低下によって洗浄水中の
薬液濃度や塗料濃度が急上昇しないようにすることを技
術的課題としている。Therefore, the technical problem of the present invention is to prevent the chemical concentration and paint concentration in the cleaning water from rapidly increasing due to a drop in the water level of each cleaning water tank when the spray type multi-stage water cleaning device starts operating.
この課題を解決するために、本発明は、洗浄水タンクに
貯溜した洗浄水をライザー管からスプレーする水洗装置
が多段に設置され、後段側の洗浄水タンクから前段側の
洗浄水タンクに順次オーバーフローして回収された洗浄
水が、濾過装置で浄化されて最後段の洗浄水タンクに供
給されるように成されたスプレー式多段水洗装置の洗浄
水供給方法において、各洗浄水タンクに供給される洗浄
水が当該各タンクの最大容量より少ない一定の水量を超
えた時に余剰洗浄水をオーバーフローさせる溢流管を、
各洗浄水タンクに設けると共に、当該各溢流管に自動バ
ルブを介装させておき、水洗装置の稼働停止時に、前記
各自動バルブを所定のタイミングで閉鎖して前記各溢流
管からの余剰洗浄水のオーバーフローを中止させること
によって、水洗装置の稼働開始時迄に、各洗浄水タンク
内の洗浄水の水位を前記オーバーフローが生ずる水位以
上に高めておくことを特徴とする。In order to solve this problem, the present invention has a water washing device that sprays washing water stored in a washing water tank from a riser pipe in multiple stages, and overflows sequentially from the washing water tank on the rear stage to the washing water tank on the front stage. In a washing water supply method for a spray type multi-stage water washing device, the collected washing water is purified by a filtration device and supplied to the last stage washing water tank, and the washing water is supplied to each washing water tank. An overflow pipe is installed that allows excess cleaning water to overflow when the cleaning water exceeds a certain amount of water that is less than the maximum capacity of each tank.
In addition to installing an automatic valve in each washing water tank, an automatic valve is installed in each overflow pipe, and when the washing equipment stops operating, each automatic valve is closed at a predetermined timing to drain excess water from each overflow pipe. By stopping the overflow of the washing water, the water level of the washing water in each washing water tank is raised above the water level at which the overflow occurs by the time the washing device starts operating.
本発明方法によれば、各洗浄水タンクに設けた溢流管か
らの余剰洗浄水のオーバーフローを中止することによっ
て、水洗装置が稼働開始時迄に、各洗浄水タンク内の洗
浄水の水位を、溢流管からのオーバーフローが生ずる通
常の水位より高めておくので、水洗装置が稼働開始して
各ライザー管から洗浄水のスプレーが開始されることに
より、当該ライザー管の管内容積に相当する水量分だけ
各洗浄水タンク内の水位が低下しても、各溢流管からの
洗浄水のオーバーフローを速やかに開始することができ
る。According to the method of the present invention, by stopping the overflow of excess wash water from the overflow pipe provided in each wash water tank, the water level of the wash water in each wash water tank can be reduced by the time the washing device starts operating. Since the water level is set higher than the normal water level at which overflow from the overflow pipe occurs, when the water washing device starts operating and starts spraying washing water from each riser pipe, the amount of water corresponding to the internal volume of the riser pipe concerned increases. Even if the water level in each wash water tank decreases by that amount, overflow of wash water from each overflow pipe can be immediately started.
したがって、水洗装置が稼働開虻した直後から洗浄水中
の薬液濃度や塗料濃度を希釈して、洗浄品質を良好に保
つことができる。Therefore, it is possible to maintain good cleaning quality by diluting the chemical concentration and paint concentration in the cleaning water immediately after the water cleaning device starts operating.
以下、本発明の実施例を図面に基づいて具体的に説明す
る。Embodiments of the present invention will be specifically described below based on the drawings.
第１図は本発明方法を適用するスプレー式多段水洗装置
の一例を示すフローシート図であって、電着槽１のサブ
クンク２から送られる電着塗料液をＵＦ装置等の濾過袋
Ｗ３によって塗料成分と濾液とに分離し、その塗料成分
を電着槽１内に戻すと共に、その濾液を一旦濾液タンク
４に貯溜して、当該濾液タンク４内から、電着槽１の後
段に設置したスプレー式多段水洗装置５．６及び７の最
後段の洗浄水タンク８Ｃに洗浄水として定常的に供給す
るようになっている。FIG. 1 is a flow sheet diagram showing an example of a spray-type multi-stage water washing apparatus to which the method of the present invention is applied, in which the electrodeposition paint liquid sent from the sub-kunk 2 of the electrodeposition tank 1 is passed through a filter bag W3 of a UF device or the like to form a coating material. The paint components are separated into a component and a filtrate, and the paint components are returned to the electrodeposition tank 1, and the filtrate is temporarily stored in the filtrate tank 4, and then sprayed from within the filtrate tank 4, which is installed after the electrodeposition tank 1. The washing water is constantly supplied as washing water to the washing water tanks 8C at the last stages of the multi-stage washing apparatuses 5.6 and 7.
そして、最後段の洗浄水タンク８Ｃ内からオーバーフロ
ーする余剰洗浄水は、その前段側の洗浄水タンク８ｂ、
８ａに順次オーバーフローして、各洗浄水タンク８ａ〜
８Ｃ内に貯溜した洗浄水の塗料濃度が希釈され、最も塗
料濃度の高い洗浄水タンク８ａ内の余剰洗浄水が、電着
槽１のサブタンク２内に戻されている。The excess cleaning water that overflows from the cleaning water tank 8C at the last stage is transferred to the cleaning water tank 8b at the previous stage.
8a and each wash water tank 8a~
The paint concentration of the cleaning water stored in 8C is diluted, and the excess cleaning water in the cleaning water tank 8a, which has the highest paint concentration, is returned to the sub-tank 2 of the electrodeposition tank 1.
また、水洗装置５．６及び７には、各洗浄水タンク８ａ
〜８Ｃ内から各ポンプ９で圧送される洗浄水をスプレー
するライザー管１０が設けられている。In addition, each washing water tank 8a is provided in the water washing devices 5.6 and 7.
A riser pipe 10 is provided that sprays cleaning water pumped by each pump 9 from inside 8C.
各洗浄水タンク８ａ〜８Ｃには、濾液タンク４内の濾液
をポンプ１１で圧送する濾液供給管１２に対して並列に
連結した各配管１３が接続され、当該各配管１３には、
夫々自動バルブ１４が介装されている。Each of the wash water tanks 8a to 8C is connected to each pipe 13 connected in parallel to a filtrate supply pipe 12 through which the filtrate in the filtrate tank 4 is pumped by a pump 11.
An automatic valve 14 is interposed in each case.
また、各洗浄水タンク８ａ〜８Ｃには、当該各洗浄水タ
ンク内に供給される洗浄水がその容量より少ない一定の
水量を超えた時に余剰洗浄水をオーバーフローさせる溢
流管１５ａ〜１５ｃが設けられると共に、夫々の溢流管
１５ａ〜１５ｃに自動バルブ１６ａ〜１６ｃが介装され
ている。In addition, each of the wash water tanks 8a to 8C is provided with overflow pipes 15a to 15c that allow excess wash water to overflow when the wash water supplied to each wash water tank exceeds a certain amount of water that is less than its capacity. At the same time, automatic valves 16a to 16c are interposed in each of the overflow pipes 15a to 15c.
しかして、水洗装置５．６及び７の稼働中は、自動バル
ブ１４を閉鎖して、濾液タンク４内の濾液を濾液供給管
１２を通じて最後段の洗浄水タンク８Ｃのみに定常供給
し、当該洗浄水タンク８Ｃ内の余剰洗浄水を溢流管１５
ｃを通じて前段の洗浄水タンク８ｂにオーバーフローさ
せると共に、洗浄水タンク８ｂ内の余剰洗浄水を溢流管
１５ｂを通じて最前段の洗浄水タンク８ａにオーバーフ
ローさせ、更に、洗浄水タンク８ａ内の余剰洗浄水を溢
流管１５ａを通じてサブタンク２内に戻している。Therefore, while the water washing devices 5.6 and 7 are in operation, the automatic valve 14 is closed, and the filtrate in the filtrate tank 4 is constantly supplied only to the last-stage washing water tank 8C through the filtrate supply pipe 12. Overflow pipe 15 for excess washing water in water tank 8C
The excess washing water in the washing water tank 8b is caused to overflow through the overflow pipe 15b to the washing water tank 8a in the first stage, and the excess washing water in the washing water tank 8a is is returned into the sub-tank 2 through the overflow pipe 15a.
また、各洗浄水タンク８８〜８Ｃ内に貯溜した洗浄水は
、各ポンプ９でライザー管１０に圧送して、当該ライザ
ー管１０からスプレーされている。Further, the cleaning water stored in each of the cleaning water tanks 88 to 8C is pumped to the riser pipe 10 by each pump 9, and is sprayed from the riser pipe 10.
そして、水洗装置５，６及び７の稼働が停止すると、各
ポンプ９を停止してライザー管１０による洗浄水のスプ
レーが停止され、当該ライザー管１０の管内から抜は落
ちた洗浄水が、各洗浄水タンク８ａ〜８Ｃ内に回収され
ると同時に、その回収された洗浄水の量に相当する余剰
洗浄水が、溢流管１５ａ〜１５ｃを通じて前段側にオー
バーフローし、以後も、濾液供給管１２を通して最後段
の洗浄水タンク８Ｃに供給される洗浄水が、順次前段側
の洗浄水タンクに絶えずオーバーフローせられている。When the operation of the water washing devices 5, 6, and 7 is stopped, each pump 9 is stopped and the spraying of washing water by the riser pipe 10 is stopped, and the washing water that has been drained and fallen from the inside of the riser pipe 10 is At the same time as being collected into the wash water tanks 8a to 8C, excess wash water corresponding to the amount of the collected wash water overflows to the previous stage side through the overflow pipes 15a to 15c, and thereafter continues to flow through the filtrate supply pipe 12. The wash water supplied to the last-stage wash water tank 8C through the wash water tank continuously overflows to the wash water tank at the previous stage.
そして、水洗装置５．６及び７を再び稼働開始する時間
が迫ると、溢流管１５ａ−１５Ｃに介装された各自動バ
ルブ１６ａ〜１６ｂを一斉に閉鎖して、各溢流管１５ａ
〜１５ｃからの洗浄水のオーバーフローを中止させ、次
に、濾液供給管１２に接続した各配管１３に介装されて
いる自動バルブ１４を開放して、濾液タンク４内の濾液
を各洗浄水タンク８ａ〜８ｃに一斉供給することによっ
て、水洗装置５．６及び７の稼働開始直後に、各洗浄水
タンク８ａ〜８Ｃ内の洗浄水の水位を、第１図鎖線図示
の如く溢流管１５ａ〜１５Ｃからのオーバーフローが生
ずる水位以上に高めておく。When the time to restart the water washing devices 5.6 and 7 approaches, the automatic valves 16a to 16b installed in the overflow pipes 15a to 15C are closed all at once, and each of the overflow pipes 15a
The overflow of the wash water from ~15c is stopped, and then the automatic valve 14 installed in each pipe 13 connected to the filtrate supply pipe 12 is opened to transfer the filtrate in the filtrate tank 4 to each wash water tank. Immediately after the water washing devices 5.6 and 7 start operating, the water level of the washing water in each of the washing water tanks 8a to 8C is increased to the overflow pipes 15a to 15a as shown by the chain lines in FIG. The water level should be raised above the level at which overflow from 15C occurs.
なお、配管１３を設けない場合は、まず、溢流管１５ａ
の自動バルブ１６ａを閉鎖して、前段に設置した洗浄水
タンク８ａ内の水位を高め、次いで、溢流管１５ｂの自
動バルブ１６ｂを閉鎖して、中段に設置した洗浄水タン
ク８ｂ内の水位を高め、最後に、溢流管１５ｃの自動バ
ルブ１６Ｃを閉鎖して、後段に設置した洗浄水タンク８
Ｃ内の水位を高めるようにすればよい。Note that if the piping 13 is not provided, first the overflow pipe 15a
The automatic valve 16a of the overflow pipe 15b is closed to raise the water level in the cleaning water tank 8a installed in the front stage, and then the automatic valve 16b of the overflow pipe 15b is closed to raise the water level in the cleaning water tank 8b installed in the middle stage. Finally, the automatic valve 16C of the overflow pipe 15c is closed, and the cleaning water tank 8 installed at the rear stage is
All you have to do is raise the water level in C.
これにより、水洗装置５．６及び７を稼働して各ライザ
ー管１０から洗浄水がスプレーされ始めた時に、各洗浄
水タンク８ａ〜８Ｃ内に貯溜した洗浄水の水位が一時的
に低下しても、溢流管１５ａ〜１５ｃに介装した各自動
バルブ１６ａ〜１６Ｃを開けて、各洗浄水タンク８ａ〜
８Ｃ内の洗浄水を直ちにオーバーフローさせることがで
きる。As a result, when the water washing devices 5.6 and 7 are operated and washing water starts to be sprayed from each riser pipe 10, the water level of the washing water stored in each washing water tank 8a to 8C is temporarily lowered. Also, open the automatic valves 16a to 16C installed in the overflow pipes 15a to 15c to drain each wash water tank 8a to 16C.
The wash water in 8C can be immediately overflowed.
したがって、水洗装置５，６及び７の稼働開始直後から
洗浄水中の塗料濃度が希釈されて、洗浄品質が良好に保
たれる。Therefore, immediately after the water washing devices 5, 6, and 7 start operating, the paint concentration in the washing water is diluted, and the washing quality is maintained at a good level.
なお、洗浄水タンク８ａ内の余剰洗浄水は、溢流管１５
ａによってサブタンク２に戻す必要はなく、ポンプを介
装した送水管で戻してもよい。Incidentally, the excess washing water in the washing water tank 8a is drained from the overflow pipe 15.
It is not necessary to return the water to the sub-tank 2 by a, but it may be returned by a water pipe equipped with a pump.
次に、第２図は本発明方法の他の例を示すフローシート
図であって、洗浄水タンク８ａ〜８ｃに設けた各溢流管
１５ａ−１５（の上方に、オーバーフロー用の樋又は配
管１７ａ〜１７ｃを設けている。Next, FIG. 2 is a flow sheet diagram showing another example of the method of the present invention, in which an overflow gutter or pipe is provided above each overflow pipe 15a to 15 provided in the wash water tanks 8a to 8c. 17a to 17c are provided.
この場合は、水洗装置５，６及び７の稼働を停止してラ
イザー管１０からの洗浄水のスプレーが停止される直前
に、各溢流管１５ａ〜１５ｃの自動バルブ１６ａ〜１６
ｃを一斉に閉鎖して、余剰洗浄水のオーバーフローを中
止し、スプレーを停止した各ライザー管１０の管内から
抜は落ちる洗浄水を各洗浄水タンク８ａ〜８ｃ内にその
まま回収貯溜して、当該各タンク８ａ〜８ｃ内の洗浄水
の水位を、配管１７ａ〜１７ｃが設けられた高さまで上
昇させる。In this case, immediately before the operation of the water washing devices 5, 6, and 7 is stopped and the spraying of washing water from the riser pipe 10 is stopped, the automatic valves 16a to 16 of the overflow pipes 15a to 15c are
c is closed all at once to stop the overflow of surplus washing water, and the washing water that is drained from the inside of each riser pipe 10 that has stopped spraying is collected and stored in each washing water tank 8a to 8c as it is. The water level of the cleaning water in each tank 8a-8c is raised to the height at which the pipes 17a-17c are provided.
これにより、水洗装置５．６及び７の稼働停止中は、洗
浄水タンク８Ｃ内の余剰洗浄水が、配管１７ｃを通じて
洗浄水タンク８ｂにオーバーフローし、当該洗浄水タン
ク８ｂ内の余剰洗浄水も、配管１７ｂを通じて洗浄水タ
ンク８ａにオーバーフローし、更に、洗浄水タンク８ａ
内の余剰洗浄水も配管１７ａを通してオーバーフローす
る。As a result, while the washing devices 5.6 and 7 are not in operation, the excess washing water in the washing water tank 8C overflows into the washing water tank 8b through the pipe 17c, and the excess washing water in the washing water tank 8b also It overflows into the wash water tank 8a through the pipe 17b, and further flows into the wash water tank 8a.
Excess washing water inside also overflows through the pipe 17a.
そして、水洗装置５．６及び７が稼働開始して各ライザ
ー管１０からの洗浄水のスプレーが開始され、そのライ
ザー管１０の管内容積に相当する水量分だけ各洗浄水タ
ンク８ａ〜８ｃ内の水位が低下すると、配管１７ａ〜１
７ｃの下方に設けた溢流管１５ａ〜１５ｃの自動バルブ
１６ａ〜１６Ｃを直ちに開放して、当該各溢流管１５ａ
〜１５Ｃを通じて各洗浄水タンク８ａ〜８ｃ内の余剰洗
浄水をオーバーフローさせる。Then, the water washing devices 5.6 and 7 start operating and spraying of washing water from each riser pipe 10 is started, and the amount of water corresponding to the internal volume of the riser pipe 10 is filled in each washing water tank 8a to 8c. When the water level decreases, the pipes 17a-1
The automatic valves 16a to 16C of the overflow pipes 15a to 15c provided below 7c are immediately opened, and each of the overflow pipes 15a is
Excess cleaning water in each of the cleaning water tanks 8a to 8c is allowed to overflow through ~15C.
したがって、この場合も、水洗装置５．６及び７の稼働
開始直後から洗浄水中の塗料濃度が希釈されて、洗浄品
質が良好に保たれる。Therefore, in this case as well, the paint concentration in the washing water is diluted immediately after the water washing devices 5.6 and 7 start operating, and good washing quality is maintained.
以上述べたように、本発明によれば、スプレー式多段水
洗装置の稼働開始時に、各洗浄水タンク内の水位が低下
しても、当該各洗浄水タンクからの余剰洗浄水のオーバ
ーフローを速やかに開始させて、洗浄水中の薬液濃度や
塗料濃度の急上昇を確実に防止することができるという
大変優れた効果がある。As described above, according to the present invention, even if the water level in each washing water tank decreases when the spray type multi-stage water washing device starts operating, the overflow of excess washing water from each washing water tank is promptly removed. This has a very good effect in that it can reliably prevent a sudden increase in the concentration of chemicals and paint in the cleaning water.
第１図は本発明方法を適用したスプレー式多段水洗装置
の一例を示すフローシート図、第２図は本発明方法の他
の例を示すフローシート図である。
符号の説明
５．６．７・・・水洗装置、
８ａ〜８ｃｍ・洗浄水タンク、１０−・ライザー管。
１５ ａ−１５ｃ−・溢流管、
１６ ａ−１６ｃ−自動バルブ。FIG. 1 is a flow sheet diagram showing an example of a spray type multi-stage water washing apparatus to which the method of the present invention is applied, and FIG. 2 is a flow sheet diagram showing another example of the method of the present invention. Explanation of symbols 5.6.7...Water washing device, 8a-8cm washing water tank, 10- riser pipe. 15 a-15c--overflow pipe, 16 a-16c-automatic valve.
Claims (1)
た洗浄水をライザー管（１０）からスプレーする水洗装
置（５），（６），（７）が多段に設置され、後段側の
洗浄水タンクから前段側の洗浄水タンクに順次オーバー
フローして回収された洗浄水が、濾過装置（３）で浄化
されて最後段の洗浄水タンク（８ｃ）に供給されるよう
に成されたスプレー式多段水洗装置の洗浄水供給方法に
おいて、各洗浄水タンク（８ａ），（８ｂ），（８ｃ）
に供給される洗浄水が当該各タンクの容量より少ない一
定の水量を超えた時に余剰洗浄水をオーバーフローさせ
る溢流管（１５ａ），（１５ｂ），（１５ｃ）を、各洗
浄水タンク（８ａ），（８ｂ），（８ｃ）に設けると共
に、当該各溢流管（１５ａ），（１５ｂ），（１５ｃ）
に自動バルブ（１６ａ），（１６ｂ），（１６ｃ）を介
装させておき、水洗装置（５），（６），（７）の稼働
停止時に、前記各自動バルブ（１６ａ），（１６ｂ），
（１６ｃ）を所定のタイミングで閉鎖して前記各溢流管
（１５ａ），（１５ｂ），（１５ｃ）からの余剰洗浄水
のオーバーフローを中止させることによって、水洗装置
（５），（６），（７）の稼働開始時迄に、各洗浄水タ
ンク（８ａ），（８ｂ），（８ｃ）内の洗浄水の水位を
前記オーバーフローが生ずる水位以上に高めておくこと
を特徴とするスプレー式多段水洗装置の洗浄水供給方法
。Water washing devices (5), (6), and (7) that spray the washing water stored in the washing water tanks (8a), (8b), and (8c) from the riser pipe (10) are installed in multiple stages, and A sprayer configured so that the cleaning water that sequentially overflows from the cleaning water tank to the preceding cleaning water tank and is collected is purified by the filtration device (3) and then supplied to the final cleaning water tank (8c). In the washing water supply method of the type multi-stage washing device, each washing water tank (8a), (8b), (8c)
Overflow pipes (15a), (15b), and (15c) are connected to each wash water tank (8a) through which excess wash water overflows when the wash water supplied to the tank exceeds a certain amount of water that is less than the capacity of each tank. , (8b), (8c), and each overflow pipe (15a), (15b), (15c).
Automatic valves (16a), (16b), (16c) are interposed in the automatic valves (16a), (16b), (16c) when the water washing devices (5), (6), (7) stop operating. ，
The water washing devices (5), (6), Spray type multi-stage characterized in that the water level of the washing water in each washing water tank (8a), (8b), (8c) is raised above the water level at which the overflow occurs by the time of the start of operation of (7). Washing water supply method for washing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7216890A JP2675423B2 (en) | 1990-03-23 | 1990-03-23 | Cleaning water supply method for spray type multi-stage water washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7216890A JP2675423B2 (en) | 1990-03-23 | 1990-03-23 | Cleaning water supply method for spray type multi-stage water washing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03274299A true JPH03274299A (en) | 1991-12-05 |
| JP2675423B2 JP2675423B2 (en) | 1997-11-12 |
Family
ID=13481441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7216890A Expired - Fee Related JP2675423B2 (en) | 1990-03-23 | 1990-03-23 | Cleaning water supply method for spray type multi-stage water washing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2675423B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633071A1 (en) * | 1993-06-21 | 1995-01-11 | Kao Corporation | Method and apparatus for cleaning shutter members |
| JP2008024960A (en) * | 2006-07-18 | 2008-02-07 | Parker Engineering Kk | Apparatus for treatment before coating and electrodeposition coating apparatus |
| JP2009293079A (en) * | 2008-06-05 | 2009-12-17 | Kanto Auto Works Ltd | Washing system for electrodeposition coating |
| KR20190000147U (en) * | 2017-07-07 | 2019-01-16 | 김봉수 | Apparatus for electro deposition coating |
| KR20190067749A (en) * | 2019-06-05 | 2019-06-17 | 김봉수 | Apparatus for electro deposition coating reducing the use of rinsing water |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773915B (en) * | 2010-01-20 | 2014-06-04 | 常州亿晶光电科技有限公司 | Multilevel circulating cleaning equipment for solar cell silicon wafers |
-
1990
- 1990-03-23 JP JP7216890A patent/JP2675423B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633071A1 (en) * | 1993-06-21 | 1995-01-11 | Kao Corporation | Method and apparatus for cleaning shutter members |
| JP2008024960A (en) * | 2006-07-18 | 2008-02-07 | Parker Engineering Kk | Apparatus for treatment before coating and electrodeposition coating apparatus |
| JP2009293079A (en) * | 2008-06-05 | 2009-12-17 | Kanto Auto Works Ltd | Washing system for electrodeposition coating |
| KR20190000147U (en) * | 2017-07-07 | 2019-01-16 | 김봉수 | Apparatus for electro deposition coating |
| KR20190067749A (en) * | 2019-06-05 | 2019-06-17 | 김봉수 | Apparatus for electro deposition coating reducing the use of rinsing water |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2675423B2 (en) | 1997-11-12 |
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