JP2665266B2 - Drainage device of washing machine - Google Patents
Drainage device of washing machineInfo
- Publication number
- JP2665266B2 JP2665266B2 JP4850390A JP4850390A JP2665266B2 JP 2665266 B2 JP2665266 B2 JP 2665266B2 JP 4850390 A JP4850390 A JP 4850390A JP 4850390 A JP4850390 A JP 4850390A JP 2665266 B2 JP2665266 B2 JP 2665266B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- cleaning
- cleaning liquid
- drain pipe
- 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.)
- Expired - Fee Related
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明は、電子部品等の精密部品を洗浄する流水式
洗浄機において、汚れた洗浄液を排出するための洗浄機
の排液装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage device of a washing machine for discharging dirty washing liquid in a flush-type washing machine for washing precision parts such as electronic parts. is there.
［従来の技術］ 磁気ヘッド構成する磁気コア、磁気ディスク装置に組
み込まれているスライダ等の精密電子部品においては、
非常に細かなゴミ等が付着していても障害を引き起こす
原因となるため、製造後、超音波洗浄機等の洗浄機を用
いて、ほぼ完全に洗浄を行うが、このような洗浄機にお
いては、洗浄によって汚れた洗浄液を排出するための排
液装置が必要となる。[Related Art] In precision electronic components such as a magnetic core constituting a magnetic head and a slider incorporated in a magnetic disk drive,
Even if very fine dust adheres, it may cause trouble.After manufacturing, it is almost completely cleaned using a cleaning machine such as an ultrasonic cleaning machine. In addition, a drainage device for discharging the cleaning liquid contaminated by the cleaning is required.
従来のこの種の排液装置の一例として、第２図に示す
ような装置が知られている。これは、被洗浄物１の洗浄
によって、洗浄槽２の側壁に設けられた管体３に溢れ出
た汚れた洗浄液Ｌを、管体３の中途部に設けられた洗浄
液タンク４に集め、ポンプ５によって循環し、このポン
プ５に隣接するフィルタ６によって被洗浄物１から洗い
落とされて洗浄液Ｌに混入しているゴミ等の異物を除去
し、再び洗浄槽２内に供給するものである。2. Description of the Related Art As an example of this type of conventional drainage device, a device as shown in FIG. 2 is known. This is because the dirty cleaning liquid L overflowing to the pipe 3 provided on the side wall of the cleaning tank 2 due to the cleaning of the cleaning target 1 is collected in the cleaning liquid tank 4 provided in the middle of the pipe 3 and pumped. The cleaning liquid L is circulated by the filter 5 and foreign matter such as dust that has been washed off from the object 1 to be cleaned and mixed into the cleaning liquid L by the filter 6 adjacent to the pump 5 is removed and supplied to the cleaning tank 2 again.
［発明が解決しようとする課題］ しかしながら、このような構成の洗浄機の排液装置で
は、洗浄液の液面に浮上する、洗浄液より比重の小さい
異物は管体３から排出され、フィルタ６により除去され
るが、洗浄液より比重が大きく、洗浄液の液底に滞留す
る異物を除去することは難しい。このため、この液底に
滞留した異物が、洗浄液の循環や、被洗浄物の洗浄槽へ
の出し入れ等による洗浄液の流れによって洗浄液中に舞
い上がり、浮遊して被洗浄物に付着するので、被洗浄物
を一定かつ高い洗浄度に洗浄することが困難であるとい
う欠点がある。[Problems to be Solved by the Invention] However, in the drainage device of the cleaning machine having such a configuration, foreign matter having a specific gravity lower than that of the cleaning liquid, which floats on the surface of the cleaning liquid, is discharged from the tube 3 and removed by the filter 6. However, since the specific gravity is larger than that of the cleaning liquid, it is difficult to remove foreign matters remaining on the liquid bottom of the cleaning liquid. For this reason, the foreign matter staying at the bottom of the liquid rises in the cleaning liquid due to the circulation of the cleaning liquid or the flow of the cleaning liquid due to the flow of the cleaning object into and out of the cleaning tank, and floats and adheres to the object to be cleaned. There is a drawback that it is difficult to wash the objects with a constant and high degree of washing.
［課題を解決するための手段］ 本発明は、前記の課題を解決するためになされたもの
で、洗浄槽内の上部に開口部を有する上部排液管と、前
記洗浄槽内の底部に開口部を有する下部排液管とを備
え、 この下部排液管に、その排出口を開閉する液底排液バ
ルブを設け、前記洗浄槽内の洗浄液の液面水位に連動す
るフロートにより前記液底排液バルブの開閉を制御する
制御機構を設けたことを特徴とする。Means for Solving the Problems The present invention has been made to solve the above problems, and has an upper drain pipe having an opening at an upper part in a cleaning tank, and an opening at a bottom part in the cleaning tank. A lower drain pipe having a bottom portion, which is provided with a liquid bottom drain valve for opening and closing a drain port of the lower drain pipe. A control mechanism for controlling the opening and closing of the drain valve is provided.
なお、前記フロートの位置と上部排液管の開口部の位
置は、ほぼ同じ高さに設置してある。The position of the float and the position of the opening of the upper drain pipe are set at substantially the same height.
［作用］ 本発明による洗浄機の排液装置によれば、洗浄液の循
環や、被洗浄物を洗浄槽に入れることによって洗浄液の
液面水位が上昇すると、洗浄液の液面に浮上する、洗浄
液より比重の小さい異物は、洗浄槽の上部に開口する上
部排液管の開口部から洗浄液と一緒に排出される。[Operation] According to the drainage device of the cleaning machine according to the present invention, when the liquid level of the cleaning liquid rises by circulating the cleaning liquid or putting the object to be cleaned into the cleaning tank, the cleaning liquid floats on the liquid surface. The foreign matter having a low specific gravity is discharged together with the cleaning liquid from an opening of an upper drain pipe that opens to an upper part of the cleaning tank.
一方、同時に、フロートによって洗浄液の液面水位に
連動する制御機構により、下部排液管の排出口に設けら
れた液底排液バルブが自動的に開放され、洗浄槽下部に
開口する下部排液管の開口部から、洗浄液より比重が大
きく、洗浄液の液底に滞留する異物が洗浄液と一緒に排
出される。On the other hand, at the same time, the control mechanism linked to the liquid level of the cleaning liquid by the float automatically opens the liquid bottom drain valve provided at the outlet of the lower drain pipe, and the lower liquid drain opening at the lower part of the cleaning tank. Foreign matter having a higher specific gravity than the cleaning liquid and remaining at the bottom of the cleaning liquid is discharged from the opening of the tube together with the cleaning liquid.
フロートの位置を、上部排液管の開口部の位置と、ほ
ぼ同じ高さに設定することにより、上部排液管からも、
下部排液管からも、適宜汚れた洗浄液の排出がなされ
る。By setting the position of the float at almost the same height as the position of the opening of the upper drain pipe, from the upper drain pipe,
The contaminated cleaning liquid is discharged from the lower drain pipe as appropriate.
［実施例］ 第１図は、本発明の一実施例を示す断面図であり、排
液装置の構成については、これを拡大して表している。Embodiment FIG. 1 is a cross-sectional view showing an embodiment of the present invention, and the configuration of a drainage device is shown in an enlarged manner.
この図において、筒状の上部排液管７は、被洗浄物１
を洗浄する洗浄液Ｌを保持する洗浄槽２の底部に垂直に
設けられている。この上部排液管７の上端は、洗浄が行
なわれる前の状態の洗浄液Ｌの液面と、ほぼ同じ高さに
設定されており、また、その下端は、洗浄槽２の底部を
貫通して、洗浄槽２の下部に設けられた排液回収槽８内
に突設されている。一方、この上部排液管７と同様、筒
状の下部排液管９、洗浄槽２の底部に垂直に設けられて
おり、その下端は洗浄槽２の底部を貫通して、排液回収
槽８内に突設されている。この下部排液管９の上端は、
後述する連結部材10の動作を妨げないように、前記洗浄
液Ｌの液面より低く設定されており、その中途部には、
洗浄槽２の底部に面して開口部9aが設けられている。In this figure, a cylindrical upper drainage pipe 7 is provided with an object 1 to be cleaned.
Is provided vertically at the bottom of the cleaning tank 2 for holding the cleaning liquid L for cleaning the substrate. The upper end of the upper drain pipe 7 is set at substantially the same level as the liquid level of the cleaning liquid L before the cleaning is performed, and the lower end thereof penetrates the bottom of the cleaning tank 2. , Protruding into a drainage recovery tank 8 provided below the washing tank 2. On the other hand, like the upper drain pipe 7, a cylindrical lower drain pipe 9 is provided vertically to the bottom of the washing tank 2, and the lower end thereof penetrates the bottom of the washing tank 2 to form a drain collecting tank. 8 protrudes. The upper end of this lower drain pipe 9
The cleaning liquid L is set lower than the liquid level so as not to hinder the operation of the connecting member 10 described later.
An opening 9a is provided facing the bottom of the cleaning tank 2.
また、この下部排液管９には、その下端の排出口に当
接する弁座11aと、この弁座11aの上面から下部排液管９
の内部を通って前記洗浄液Ｌの液面付近まで伸びるバル
ブロッド11bからなる液底排液バルブ11が設けられてい
る。The lower drain pipe 9 has a valve seat 11a in contact with a discharge port at the lower end thereof, and a lower drain pipe 9 which is provided from the upper surface of the valve seat 11a.
Is provided with a liquid bottom drain valve 11 composed of a valve rod 11b extending near the liquid level of the cleaning liquid L through the inside of the liquid.
さらに、前記下部排液管９の上部には、垂直方向に伸
びたロッド12と、このロッド12を、止めネジ等により高
さの調節が可能なように固定する水位調節部材13が設け
られており、このロッド12の上端を支点として棒状の連
結部材10が、垂直面内にて回転可能に設置されている。
この連結部材10の一端は、前記液底排液バルブ11のバル
ブロッド11b上端に、前記垂直面内にて回転可能に連結
されており、一方、連結部材10の他端にはフロート14が
連結されている。このフロート14は、洗浄液Ｌの浮力に
よって、その液面に浮遊するもので、洗浄液Ｌの液面水
位の変化によってのみ、垂直方向に変位する様に、寸
法、形状、材質、及び重量等が設定されており、前記液
底排液バルブ11が下部排液管９の下端に当接して排出口
を閉鎖した状態において、前記上部排液管７の上端の開
口部とほぼ同じ高さに位置する様に、連結部材10に連結
されている。Further, a rod 12 extending in a vertical direction and a water level adjusting member 13 for fixing the rod 12 so that the height can be adjusted by a set screw or the like are provided on the upper part of the lower drain pipe 9. The rod-shaped connecting member 10 is rotatably mounted on a vertical plane with the upper end of the rod 12 as a fulcrum.
One end of the connecting member 10 is rotatably connected to the upper end of the valve rod 11b of the liquid bottom drain valve 11 in the vertical plane, while a float 14 is connected to the other end of the connecting member 10. Have been. The float 14 floats on the liquid surface by the buoyancy of the cleaning liquid L, and its size, shape, material, weight, etc. are set so that it is vertically displaced only by a change in the liquid level of the cleaning liquid L. When the liquid bottom drain valve 11 is in contact with the lower end of the lower drain pipe 9 and closes the outlet, the liquid bottom drain valve 11 is located at substantially the same height as the opening at the upper end of the upper drain pipe 7. Thus, it is connected to the connecting member 10.
なお、前記排液回収槽８の底部には、前記従来例と同
様に、その中途部に洗浄液タンク４、ポンプ５及びフィ
ルタ６を有する管体３の一端が接続されており、一方、
この管体３の他端は洗浄槽２の側壁に接続されている。One end of a pipe 3 having a washing liquid tank 4, a pump 5 and a filter 6 is connected to the bottom of the drainage recovery tank 8 in the same way as in the conventional example.
The other end of the tube 3 is connected to the side wall of the cleaning tank 2.
このような構成の、洗浄機の排液装置によれば、被洗
浄物１を洗浄槽２内に入れて洗浄を行うと、被洗浄物１
の入水及びポンプ５による洗浄液Ｌの循環によって、洗
浄槽２内の洗浄液Ｌの液面水位が上昇する。これによ
り、液面付近の洗浄液が上部排液管７上端の開口部より
オーバーフローし、上部排液管７の内部を通って排液回
収槽８に回収され、洗浄液Ｌより比重が小さく洗浄液Ｌ
の液面に浮遊するゴミ等の異物も、オーバーフローした
洗浄液と共に排液回収槽８に排出する。According to the drainage device of the cleaning machine having such a configuration, when the object to be cleaned 1 is put into the cleaning tank 2 and the cleaning is performed, the object to be cleaned 1
And the circulation of the cleaning liquid L by the pump 5, the liquid level of the cleaning liquid L in the cleaning tank 2 rises. As a result, the cleaning liquid near the liquid surface overflows from the opening at the upper end of the upper drain pipe 7 and is collected in the drain recovery tank 8 through the inside of the upper drain pipe 7, and the specific gravity of the cleaning liquid L is smaller than that of the cleaning liquid L.
Foreign matter such as dust floating on the liquid surface is also discharged to the drainage recovery tank 8 together with the overflowing cleaning liquid.
また、これと同時に、洗浄液Ｌの液面水位の上昇に伴
って、フロート14の位置も上方へ変位する。このフロー
ト14の変位により、連結部材10が、ロッド12との連結部
を支点として液底排出バルブ11を押し下げて下部排液管
９の排出口を開放するので、液底付近の洗浄液が、洗浄
槽２底部に面して下部排液管９に設けられた開口部9aよ
り下部排液管９内に流入し、排出口から排液回収槽８に
排出する。これに伴って、洗浄液Ｌより比重が大きく洗
浄液Ｌの液底に滞留するゴミ等の異物も一緒に、下部排
液管９を通って排液回収槽８に排出する。At the same time, as the liquid level of the cleaning liquid L rises, the position of the float 14 also moves upward. Due to the displacement of the float 14, the connecting member 10 pushes down the liquid bottom discharge valve 11 with the connection portion with the rod 12 as a fulcrum to open the discharge port of the lower drain pipe 9, so that the cleaning liquid near the liquid bottom is washed. The liquid flows into the lower drain pipe 9 through an opening 9 a provided in the lower drain pipe 9 facing the bottom of the tank 2, and is discharged from the discharge port to the drain recovery tank 8. Along with this, foreign substances such as dust having a higher specific gravity than the cleaning liquid L and remaining at the liquid bottom of the cleaning liquid L are also discharged to the drain recovery tank 8 through the lower drain pipe 9.
こうして、上部排液管７及び下部排液管９より汚れた
洗浄液が排出すると、この排出した洗浄液の分だけ液面
水位が低下し、ついには上部排液管７上端の開口部と同
じ高さになり、洗浄液のオーバーフローが止まる。ま
た、洗浄液Ｌの液面水位の低下に伴い、フロート14も、
汚れた洗浄液の排出が行なわれる前の位置へと復帰し、
これに連動して、連結部材10が液底排液バルブ11を引き
上げて下部排液管９の排出口を閉鎖するので、汚れた洗
浄液の排出が停止する。When the dirty cleaning liquid is discharged from the upper drain pipe 7 and the lower drain pipe 9 in this manner, the liquid level is lowered by the amount of the drained cleaning liquid. And the overflow of the cleaning liquid stops. Further, as the liquid level of the cleaning liquid L decreases, the float 14 also
Return to the position before the discharge of the dirty cleaning solution,
In conjunction with this, the connecting member 10 raises the liquid bottom drain valve 11 and closes the discharge port of the lower drain pipe 9, so that the discharge of the dirty cleaning liquid is stopped.
一方、排液回収槽８に排出した、ゴミ等の異物が混入
した洗浄液は、管体３より洗浄液タンク４に集められ、
ポンプ５によって循環し、フィルタ６によって異物が除
去される。こうして浄化された洗浄液は、管体３を通っ
て洗浄槽２に供給されるので、再び洗浄液Ｌの液面水位
が上昇し、汚れた洗浄液が排出する。On the other hand, the cleaning liquid discharged into the drainage recovery tank 8 and containing foreign matter such as dust is collected from the pipe 3 into the cleaning liquid tank 4,
Circulation is performed by the pump 5, and foreign matter is removed by the filter 6. The cleaning liquid thus purified is supplied to the cleaning tank 2 through the pipe 3, so that the liquid level of the cleaning liquid L rises again, and the dirty cleaning liquid is discharged.
このように、本発明によれば、洗浄液の上部に浮遊す
る比重の小さい異物はもちろん、洗浄液の下部に滞留す
る比重の大きい異物をも、自動的に排出、除去すること
が可能であり、洗浄槽内の洗浄液が常に清浄に保たれる
ので、洗浄効果の向上が図られる。As described above, according to the present invention, it is possible to automatically discharge and remove not only foreign matters having a low specific gravity floating on the upper part of the cleaning liquid but also foreign matters having a high specific gravity remaining on the lower part of the cleaning liquid. Since the cleaning liquid in the tank is always kept clean, the cleaning effect is improved.
また、下部排液管による排出が、フロートの変位に連
動した機械的手段によって制御されており、液底排液バ
ルブの開閉にも特別に動力を必要としないため、例え
ば、電気的手段による制御等に比べて、構成が簡単であ
り、安価に実施することが可能で、かつ保全や修理が容
易であるという利点を有する。In addition, since the drainage by the lower drainage pipe is controlled by mechanical means linked to the displacement of the float, and no special power is required for opening and closing the bottom drainage valve, for example, control by electrical means Compared to the above, there is an advantage that the configuration is simple, it can be implemented at low cost, and maintenance and repair are easy.
さらに、本発明は洗浄液が一定量以上になると、必
ず、下部排液管の液底排液バルブが開放される構造で、
いわゆる開き勝手であるから、洗浄機の稼動時はもちろ
んのこと、設備の調整時や保全時においても洗浄液が洗
浄機から流出することはない。このため、洗浄液に含ま
れる溶剤等によって、周囲の環境に悪影響を及ぼす心配
もなく、安全衛生上、好ましい構造であるといえる。Furthermore, the present invention has a structure in which the liquid bottom drain valve of the lower drain pipe is opened whenever the cleaning liquid reaches a certain amount or more.
Since the opening is so-called, the washing liquid does not flow out of the washing machine not only at the time of operating the washing machine, but also at the time of equipment adjustment and maintenance. For this reason, there is no concern that the solvent contained in the cleaning liquid will adversely affect the surrounding environment, and it can be said that the structure is preferable in terms of safety and health.
また、本実施例によれば、連結部材の支点に接続され
るロッドの高さが、水位調節部材によって調節可能であ
るため、液底排液バルブを開く時のフロートの位置設定
を、洗浄液の量に応じて変更することが可能である。Further, according to the present embodiment, since the height of the rod connected to the fulcrum of the connecting member can be adjusted by the water level adjusting member, the position setting of the float when the liquid bottom drain valve is opened can be adjusted by the cleaning liquid. It can be changed according to the amount.
［発明の効果］ 以上説明したように、本発明によると、汚れた洗浄液
を液面と液底から、同時に、かつ自動的に排出すること
が可能であり、洗浄槽内の洗浄液が高い清浄度に保た
れ、効果的な洗浄を行うことができる。[Effects of the Invention] As described above, according to the present invention, it is possible to simultaneously and automatically discharge a dirty cleaning liquid from the liquid surface and the liquid bottom, and the cleaning liquid in the cleaning tank has high cleanliness. And effective cleaning can be performed.
また、本発明による洗浄機の排液装置の構成は簡単な
ものであり、その制御は機械的手段によるものであるか
ら、安価に実施でき、保全等も簡便である。Further, the structure of the drainage device of the washing machine according to the present invention is simple, and its control is performed by mechanical means, so that it can be implemented at low cost and maintenance is simple.
さらに、本発明では、洗浄機稼動時をはじめ、設備保
全時等でも、洗浄液の洗浄機からの流出が未然に防止さ
れる構造であるため、安全衛生上、好ましい構造といえ
る。Further, in the present invention, the structure is such that the cleaning liquid is prevented from flowing out of the cleaning machine before the cleaning machine is operated and also during maintenance of the equipment.
第１図は、本発明の一実施例を示す断面図であり、第２
図は従来例を示す断面図である。 Ｌ……洗浄液、 １……被洗浄物、２……洗浄槽、 ７……上部排液管、８……排液回収槽、 ９……下部排液管、9a……下部排液管開口部、 10……連結部材、11……液底排液バルブ、 12……ロッド、13……水位調節部材、 14……フロート。FIG. 1 is a sectional view showing one embodiment of the present invention, and FIG.
The figure is a sectional view showing a conventional example. L: cleaning liquid, 1: object to be cleaned, 2: cleaning tank, 7: upper drain pipe, 8: drain recovery tank, 9: lower drain pipe, 9a: lower drain pipe opening , 10 ... connecting member, 11 ... liquid bottom drain valve, 12 ... rod, 13 ... water level adjusting member, 14 ... float.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 五十嵐 義文 新潟県新潟市柳島町４丁目34番地２ 岩 浪工業株式会社内 (56)参考文献 特開 昭61−185369（ＪＰ，Ａ) 特開 昭63−58840（ＪＰ，Ａ) 特開 昭52−113060（ＪＰ，Ａ) 特開 昭58−20282（ＪＰ，Ａ) 特開 平２−83076（ＪＰ，Ａ) 実開 昭60−28088（ＪＰ，Ｕ) 実開 昭62−4266（ＪＰ，Ｕ) 実公 昭41−21583（ＪＰ，Ｙ１) 実公 昭35−611（ＪＰ，Ｙ１) 特公 昭60−18472（ＪＰ，Ｂ２) ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshifumi Igarashi 4-34-2 Yanagishima-cho, Niigata City, Niigata Prefecture Inside Iwanami Industry Co., Ltd. 63-58840 (JP, A) JP-A-52-113060 (JP, A) JP-A-58-20282 (JP, A) JP-A-2-83076 (JP, A) JP-A-60-28088 (JP, A) U) Japanese Utility Model Showa 62-4266 (JP, U) Japanese Utility Model Showa 41-21583 (JP, Y1) Japanese Utility Model Showa 35-611 (JP, Y1) Japanese Patent Publication No. 60-18472 (JP, B2)
Claims (1)
管と、前記洗浄槽内の底部に開口部を有する下部排液管
とを備え、 この下部排液管には、その排出口に設置されてこれを開
閉する液底排液バルブと、前記洗浄槽内の洗浄液の液面
水位に連動するフロートにより前記液底排液バルブの開
閉を制御する制御機構が設けられていることを特徴とす
る洗浄機の排液装置。An upper drain pipe having an opening at an upper part in a cleaning tank, and a lower drain pipe having an opening at a bottom part in the cleaning tank, wherein the lower drain pipe has a drain. A liquid bottom drain valve installed at an outlet for opening and closing the same, and a control mechanism for controlling the opening and closing of the liquid bottom drain valve by a float interlocking with the liquid level of the cleaning liquid in the cleaning tank are provided. A drainage device for a washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4850390A JP2665266B2 (en) | 1990-02-28 | 1990-02-28 | Drainage device of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4850390A JP2665266B2 (en) | 1990-02-28 | 1990-02-28 | Drainage device of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03249982A JPH03249982A (en) | 1991-11-07 |
| JP2665266B2 true JP2665266B2 (en) | 1997-10-22 |
Family
ID=12805186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4850390A Expired - Fee Related JP2665266B2 (en) | 1990-02-28 | 1990-02-28 | Drainage device of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2665266B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962223A (en) * | 2012-11-13 | 2013-03-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Multifunctional exhaust washing tank |
| CN114618597B (en) * | 2022-03-12 | 2023-09-01 | 山东环发检验检测有限公司 | Laboratory detects waste water storage device |
-
1990
- 1990-02-28 JP JP4850390A patent/JP2665266B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03249982A (en) | 1991-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3616916A (en) | Antiairlock equalizer device | |
| CA1207111A (en) | Skimmer apparatus for swimming pools | |
| US3707404A (en) | Parts washer and method of solvent cleaning | |
| CN111162732B (en) | Fishing light complementary photovoltaic power generation system | |
| JP2665266B2 (en) | Drainage device of washing machine | |
| JP2006274540A (en) | Wash water tank device for toilet bowl | |
| US3371652A (en) | Livestock automatic watering device | |
| JP3538470B2 (en) | Downward rectification type immersion cleaning device | |
| CN215480166U (en) | Sewage treatment device | |
| CN210013198U (en) | Novel sewage treatment system is floated blowdown on water device | |
| US4876001A (en) | Apparatus for use with a pool cleaner | |
| CN216986647U (en) | Municipal works water supply energy-saving protection device | |
| JPS639838Y2 (en) | ||
| JPH05118084A (en) | Sewage conveying pump unit | |
| CN111101568A (en) | Flushing device of intelligent closestool | |
| CN215906895U (en) | Water tank with automatic water feeding and discharging controlled by float valve | |
| CN220716969U (en) | Raw material cleaning device for processing plant milk powder | |
| DE1484845B1 (en) | Separator for removing floating substances, especially oil or petrol, from the liquid surface of stagnant or dammed water, preferably waste water in sewage basins | |
| JP3222362U (en) | Bath and tub facilities to remove floats on hot water surface | |
| JPH0448870Y2 (en) | ||
| JP4464566B2 (en) | Check valve for water tank | |
| JPH0470922B2 (en) | ||
| JPS6332693Y2 (en) | ||
| JPH0919682A (en) | Scum removing device | |
| KR100774867B1 (en) | Auto suppling and drainage safety device of water using system in room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |