JPH0815593B2 - Waste liquid treatment device - Google Patents
Waste liquid treatment deviceInfo
- Publication number
- JPH0815593B2 JPH0815593B2 JP22316992A JP22316992A JPH0815593B2 JP H0815593 B2 JPH0815593 B2 JP H0815593B2 JP 22316992 A JP22316992 A JP 22316992A JP 22316992 A JP22316992 A JP 22316992A JP H0815593 B2 JPH0815593 B2 JP H0815593B2
- Authority
- JP
- Japan
- Prior art keywords
- waste liquid
- piston
- valve
- cylinder
- liquid treatment
- 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.)
- Ceased
Links
Landscapes
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば、写真現像廃
液その他の廃液処理に適用する廃液処理装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste liquid processing apparatus applied to, for example, processing of a photographic developing waste liquid and other waste liquids.
【０００２】[0002]
【従来の技術】写真現像廃液は、銀、マンガン等の重金
属やホルマリン、酢酸などの有害物質を多量に含有して
いる。かかる廃液の処理の際、従来は真空ポンプを用い
た処理プラントを使用して、加熱した廃液中の水分を真
空中で蒸発させることにより、廃液を濃縮し容積の縮小
化を図っていた。2. Description of the Related Art A photographic developing waste liquid contains a large amount of heavy metals such as silver and manganese and harmful substances such as formalin and acetic acid. In the treatment of such waste liquid, conventionally, a treatment plant using a vacuum pump was used to evaporate the water content in the heated waste liquid in a vacuum, thereby concentrating the waste liquid and reducing the volume.
【０００３】[0003]
【発明が解決しようとする課題】しかし、真空ポンプを
用いた処理プラントには高価な設備が必要である。従っ
て、現像液を提供する材料会社が各所から現像廃液を回
収し、まとめて処理を行なっていた。また、写真現像の
廃液は、通常、強いアルカリ性を呈し、真空ポンプの要
部が短期間に腐食するという問題があった。このため、
小型かつ安価にして処理性能および耐久性に優れた廃液
処理装置が要望されていた。本発明は、このような要望
に答えることを課題に研究した結果、完成されたもので
ある。However, a processing plant using a vacuum pump requires expensive equipment. Therefore, a material company that provides a developing solution collects the developing waste solution from various places and collectively processes it. Further, the waste liquid of photographic development usually exhibits strong alkalinity, and there has been a problem that the main part of the vacuum pump is corroded in a short period of time. For this reason,
There has been a demand for a waste liquid treatment apparatus that is compact and inexpensive and has excellent treatment performance and durability. The present invention has been completed as a result of research on the subject of answering such a demand.
【０００４】[0004]
【課題を解決するための手段】図面を参照して説明する
と、本発明は、上記の目的を達成するために、シリンダ
ー３１と、シリンダー３１内を往復運動するピストン３
２と、ピストン３２に接合しパイプで構成されたピスト
ンロッド３３とを有し、シリンダー３１の減圧室３８側
に廃液吸入口３５および濃縮廃液排出口３６とが設けら
れている真空装置３、および、ピストン３２の駆動手段
２とからなり、かつ、廃液吸入口３５は、バルブ４２を
介して廃液槽４に連結され、濃縮廃液排出口３６は、バ
ルブ５２して濃縮廃液の受槽５に連結され、ピストンロ
ッド３３は、ピストン３２側の端が減圧室３８に開口３
７し、かつピストン３２と反対側の端が電磁弁６２を介
して蒸発蒸気の排出装置７に接続されている、ことを特
徴とする廃液処理装置を提供する。The present invention will be described with reference to the drawings. In order to achieve the above object, the present invention provides a cylinder 31 and a piston 3 which reciprocates in the cylinder 31.
2 and a piston rod 33 joined to the piston 32 and formed of a pipe, and a vacuum device 3 in which a waste liquid suction port 35 and a concentrated waste liquid discharge port 36 are provided on the decompression chamber 38 side of the cylinder 31, and , The driving means 2 of the piston 32, and the waste liquid suction port 35 is connected to the waste liquid tank 4 via the valve 42, and the concentrated waste liquid discharge port 36 is connected to the concentrated waste liquid receiving tank 5 via the valve 52. The end of the piston rod 33 on the piston 32 side is opened to the decompression chamber 38.
7 and the end opposite to the piston 32 is connected to the evaporative vapor discharge device 7 through the electromagnetic valve 62.
【０００５】この廃液処理装置において、複数の真空装
置３が設けられ、それらの複数のピストンロッド３３を
単一の駆動手段２で駆動させることもできる。また、廃
液吸入口３５が、加熱手段４３を設けた廃液槽４に連結
されて、予熱された廃液を処理できることが好ましい。
さらに、ピストン３２と反対側の端が、電磁弁６２を介
してピストンポンプを用いた排出装置７に連結され、ピ
ストンポンプと真空装置とを連動して作動させること
で、蒸発蒸気の排出能力を向上させることもできる。さ
らに、真空装置のシリンダーおよびピストンを適当な合
成樹脂材により構成すると、耐久性が得られて好適であ
る。In this waste liquid treatment apparatus, a plurality of vacuum devices 3 may be provided and the plurality of piston rods 33 may be driven by a single drive means 2. Further, it is preferable that the waste liquid suction port 35 is connected to the waste liquid tank 4 provided with the heating means 43 so that the preheated waste liquid can be treated.
Further, the end opposite to the piston 32 is connected to the discharge device 7 using a piston pump via the electromagnetic valve 62, and the piston pump and the vacuum device are operated in conjunction with each other to increase the discharge capability of the vaporized vapor. It can also be improved. Further, if the cylinder and piston of the vacuum device are made of a suitable synthetic resin material, durability is obtained, which is preferable.
【０００６】[0006]
【作用と実施態様例】本発明にかかる廃液処理装置は、
写真現像廃液その他の廃液を、減圧室３８に吸入して廃
液中の水分を蒸発させ、分離することにより、廃液の濃
縮化、すなわち容積の縮小化を実現するものである。以
下、本発明の廃液処理装置を、実施態様例をあげながら
具体的に説明する。図１は、本発明の廃液処理装置の実
施態様例を示す、模式的な断面図である。[Operations and Embodiments] The waste liquid treatment apparatus according to the present invention is
The photographic developing waste liquid and other waste liquids are sucked into the decompression chamber 38 to evaporate and separate the water in the waste liquids, whereby the waste liquids are concentrated, that is, the volume is reduced. Hereinafter, the waste liquid treatment apparatus of the present invention will be specifically described with reference to embodiments. FIG. 1 is a schematic cross-sectional view showing an embodiment example of a waste liquid treatment apparatus of the present invention.
【０００７】本発明の廃液装置にかかる真空装置３は、
シリンダー３１と、シリンダー内を往復運動するピスト
ン３２と、パイプで構成され、かつピストン３２側の端
が減圧室３８に開口３７しているピストンロッド３３、
および、ピストン３２の駆動手段２とで構成されてい
る。実施態様例では、ボックス１内の固定フレーム１１
上に往復駆動装置２、およびピストン方式の真空装置３
を取り付ける構成にした。真空装置３は、１台でも複数
台でも良い。シリンダー３１には、減圧室３８側に廃液
の吸入口３５及び濃縮廃液の排出口３６が設けられてい
る。吸入口３５は、廃液パイプ４１によりバルブ４２を
介して廃液槽４に連結され、排出口３６は、排出パイプ
５１によりバルブ５２を介して濃縮廃液の受槽５に連結
されている。バルブ４２は、ピストン３２の往動により
減圧室３８が減圧した時、廃液吸入量に応じて一定時間
開けられる制御弁とし、バルブ５２は、ピストン複動時
に適時開けられる制御弁にする。ピストンロッド３３の
ピストンと反対側の端は、蒸発蒸気の排出管６を通じて
蒸発蒸気の排出機構７に連結されている。そして、減圧
室３８内が減圧することによって廃液から発生した水蒸
気を、減圧室３８内から強制排出するようにしてある。The vacuum device 3 according to the waste liquid device of the present invention is
A cylinder rod 31, a piston 32 that reciprocates in the cylinder, and a piston rod 33 that is composed of a pipe and has an end on the side of the piston 32 that opens 37 to the decompression chamber 38.
And the drive means 2 for the piston 32. In the example embodiment, the fixed frame 11 in the box 1
Reciprocating drive device 2 and piston type vacuum device 3 on top
It was configured to be attached. The number of vacuum devices 3 may be one or more. The cylinder 31 is provided with a waste liquid suction port 35 and a concentrated waste liquid discharge port 36 on the decompression chamber 38 side. The suction port 35 is connected by a waste liquid pipe 41 to the waste liquid tank 4 via a valve 42, and the discharge port 36 is connected by a discharge pipe 51 to a concentrated waste liquid receiving tank 5 via a valve 52. The valve 42 is a control valve that is opened for a certain period of time according to the amount of waste liquid suction when the decompression chamber 38 is decompressed by the forward movement of the piston 32, and the valve 52 is a control valve that is opened appropriately when the piston double-acts. The end of the piston rod 33 on the side opposite to the piston is connected to an evaporative vapor discharge mechanism 7 through an evaporative vapor discharge pipe 6. Then, the water vapor generated from the waste liquid by decompressing the decompression chamber 38 is forcibly discharged from the decompression chamber 38.
【０００８】蒸発蒸気排出機構７は、例えば、図１に示
すように、真空装置７と同じ原理のピストンポンプを用
いて構成することができる。本実施態様例では、蒸発蒸
気排出機構７は、シリンダー７１と、ピストン７２と、
ピストンロッド７３およびピストンロッド７３に連設さ
れたクランク機構（図示せず）によって構成されてい
る。蒸発蒸気の排出管６には、マニーホールドと称する
中継タンク６１および電磁弁６２が設けられている。蒸
発蒸気排出機構７のシリンダー室７４には、蒸発蒸気の
吸入口７５および吐出口７６が設けられている。吸入口
７５は蒸発蒸気の排出管６に連結され、吐出口７６は制
御弁８１を介して水蒸気を水に変換し貯溜する水タンク
８に連結されている。The evaporative vapor discharge mechanism 7 can be constructed by using, for example, a piston pump of the same principle as the vacuum device 7, as shown in FIG. In the present embodiment example, the evaporated vapor discharge mechanism 7 includes a cylinder 71, a piston 72,
It is composed of a piston rod 73 and a crank mechanism (not shown) connected to the piston rod 73. A relay tank 61 called a “many hold” and a solenoid valve 62 are provided on the discharge pipe 6 for the evaporated vapor. The cylinder chamber 74 of the vaporized vapor discharge mechanism 7 is provided with a vaporized vapor inlet 75 and a vapor outlet 76. The suction port 75 is connected to the evaporative vapor discharge pipe 6, and the discharge port 76 is connected via a control valve 81 to a water tank 8 for converting water vapor into water and storing it.
【０００９】本発明にかかる廃液処理装置において、ピ
ストン３２がエンドプレート３４側の端に位置している
時、バルブ４２、５２及び電磁弁６２はいずれも閉じて
いる。ピストン３２が位置ａから位置ｂに動作（往動）
し、減圧室３８内の圧力が一定値まで減圧された時、バ
ルブ４２が開かれ、一定量の廃液が廃液槽４から減圧室
３８内に吸入された後、バルブ４２は再び閉じられる。
減圧室３８内に流入した廃液中の水分は、低圧により廃
液の沸点が低下するため、ただちに蒸発する。廃液槽４
に収容した廃液を予め所定の温度に加熱するために、廃
液槽４には廃液を加熱する手段４３を設けることが好ま
しい。加熱手段は、電気加熱、蒸気加熱、熱媒加熱など
いずれでもよい。In the waste liquid treatment apparatus according to the present invention, when the piston 32 is located at the end on the side of the end plate 34, the valves 42 and 52 and the solenoid valve 62 are all closed. Piston 32 moves from position a to position b (forward movement)
Then, when the pressure in the decompression chamber 38 is reduced to a certain value, the valve 42 is opened, and after a certain amount of waste liquid is sucked from the waste liquid tank 4 into the decompression chamber 38, the valve 42 is closed again.
Moisture in the waste liquid that has flowed into the decompression chamber 38 immediately evaporates because the boiling point of the waste liquid decreases due to the low pressure. Waste liquid tank 4
In order to preheat the waste liquid stored in 1 to a predetermined temperature, the waste liquid tank 4 is preferably provided with a means 43 for heating the waste liquid. The heating means may be electric heating, steam heating, heating medium heating, or the like.
【００１０】減圧室３８へ廃液が吸入されると電磁弁６
２が開かれ、同時に蒸発蒸気排出機構７が作動する。減
圧室３８内の蒸気は排出口３７より強制的に吸引され、
シリンダー室７４に取り込まれる。減圧室３８内の水蒸
気が排出されると、電磁弁６２が閉じられ、バルブ５２
が開かれる。これに連動してピストン３２が位置ｂから
位置ａへ（複動）作動し、減圧室３８内の濃縮廃液が排
出口３６より受槽５へ強制的に排出される。この時点
で、ピストン３２は位置ａに位置する。再び同様な処理
動作を繰り返し自動的に行なうことにより、廃液槽４の
廃液を真空装置３に取り入れて廃液中の水分を蒸発さ
せ、廃液の濃縮化による容積縮小を実現させることがで
きる。なお、真空装置３のシリンダー３１及びピストン
３２は、処理廃液に侵されない材料、例えば合成樹脂材
を選択して構成することが好ましい。When the waste liquid is sucked into the decompression chamber 38, the solenoid valve 6
2 is opened, and at the same time, the vaporized vapor discharge mechanism 7 is operated. The vapor in the decompression chamber 38 is forcibly sucked from the exhaust port 37,
It is taken into the cylinder chamber 74. When the water vapor in the decompression chamber 38 is discharged, the solenoid valve 62 is closed and the valve 52
Is opened. In conjunction with this, the piston 32 operates from position b to position a (double action), and the concentrated waste liquid in the decompression chamber 38 is forcibly discharged from the discharge port 36 to the receiving tank 5. At this point, the piston 32 is in the position a. By repeating the same processing operation again automatically, the waste liquid in the waste liquid tank 4 can be introduced into the vacuum device 3 to evaporate the water content in the waste liquid, and the volume can be reduced by concentrating the waste liquid. The cylinder 31 and the piston 32 of the vacuum device 3 are preferably configured by selecting a material that is not corroded by the processing waste liquid, for example, a synthetic resin material.
【００１１】蒸発蒸気排出機構７において、電磁弁６２
及び制御弁８１の開閉動作は排出装置の往復動に同期さ
せる。例えば、ピストン７２の往動によるシリンダー７
１内の減圧時には電磁弁６２を開き、制御弁８１を閉じ
る。ピストン７２の復動時には電磁弁６２、制御弁８１
が逆作動するように設定する。これにより、シリンダー
７１内に吸入された水蒸気は水に変換された後、水タン
ク８へ送られ貯溜される。また、吐出口７６を消臭フィ
ルターなどを介して大気に開放することもできる。この
場合、水タンク８を省略できる。In the evaporative vapor discharge mechanism 7, a solenoid valve 62
Also, the opening / closing operation of the control valve 81 is synchronized with the reciprocating movement of the discharging device. For example, the cylinder 7 by the forward movement of the piston 72
When the pressure inside 1 is reduced, the solenoid valve 62 is opened and the control valve 81 is closed. When the piston 72 returns, the solenoid valve 62 and the control valve 81
Is set to operate in reverse. As a result, the water vapor taken into the cylinder 71 is converted into water and then sent to the water tank 8 for storage. Further, the discharge port 76 can be opened to the atmosphere through a deodorizing filter or the like. In this case, the water tank 8 can be omitted.
【００１２】往復駆動装置２は、例えば減速機２１を有
す正逆回転モーター２２の回転軸２３上に送りねじ２４
を設け、この送りねじ２４により可動フレーム２５を支
持することで構成することができる。この場合、可動フ
レーム２５は、例えば両側辺がボックス１のガイド１２
にスライド自在に支持させ、真空装置３のピストンロッ
ド３３を可動板２５に取り付ければ、複数の真空装置３
のピストンロッド３３を単一の駆動手段で駆動すること
ができる。The reciprocating driving device 2 has, for example, a feed screw 24 on a rotary shaft 23 of a forward / reverse rotation motor 22 having a speed reducer 21.
Is provided and the movable frame 25 is supported by the feed screw 24. In this case, the movable frame 25 has, for example, guides 12 of the box 1 on both sides.
If the piston rod 33 of the vacuum device 3 is attached to the movable plate 25, the plurality of vacuum devices 3 can be slidably supported.
The piston rod 33 can be driven by a single drive means.
【００１３】さらに、蒸発蒸気排出機構７を真空装置３
の一動作に連動して複数回作動させたり、その逆の作動
をさせて、処理量の効率かを図ることができる。また、
廃液が固形分を含有する場合などには、廃液を本発明の
廃液処理装置に供給する前にミクロフィルターなどを用
いて固形分を除去しておくことが好ましい。Further, the evaporative vapor discharge mechanism 7 is attached to the vacuum device 3
It is possible to increase the efficiency of the throughput by interlocking with one operation and operating multiple times or vice versa. Also,
When the waste liquid contains a solid content, it is preferable to remove the solid content by using a microfilter or the like before supplying the waste liquid to the waste liquid treatment apparatus of the present invention.
【００１４】[0014]
【発明の効果】本発明は、廃液の濃縮化にピストン方式
の真空装置を用いることで、従来の真空ポンプを用いた
装置よりも安価で小型の装置を提供できる。また、この
発明ではピストン及びシリンダーを処理廃液に侵されな
い材料により構成しすることで、廃液処理装置の耐久性
を向上させることができる。According to the present invention, by using the piston type vacuum device for concentrating the waste liquid, it is possible to provide a device which is cheaper and smaller than the device using the conventional vacuum pump. Further, in the present invention, the piston and the cylinder are made of a material that is not corroded by the treatment waste liquid, so that the durability of the waste liquid treatment device can be improved.
【図１】 本発明の廃液処理装置の実施態様例を示す、
模式的な断面図。FIG. 1 shows an example of an embodiment of a waste liquid treatment apparatus of the present invention,
Schematic sectional view.
【符号の説明】 １：ボックス １１：固定フレーム
１２：ガイド ２：往復駆動装置 ２１：減速機 ２２：モータ
２３：回転軸 ２４：送りねじ ２５：可動フレ
ーム ３：真空装置 ３１：シリンダー ３２：ピストン
３３：ピストンロッド ３４：エンドプレート ３５：廃液吸入口 ３６：
濃縮廃液排出口 ３７：蒸気排出口 ３８：減圧室 ４：廃液槽 ４１：廃液パイプ ４２：バルブ ５：受槽 ５１：排出パイプ ５２：バルブ ６：蒸発蒸気の排出管 ６１：中継タンク ６２：
電磁弁 ７：蒸発蒸気排出機構 ７１：シリンダー ７２：
ピストン ７３：ピストンロッド ７４：シリンダ
ー室 ７５：吸入口 ７６：吐出口 ８：水タンク ８１：制御弁[Explanation of reference numerals] 1: Box 11: Fixed frame 12: Guide 2: Reciprocating drive device 21: Reduction gear 22: Motor
23: rotary shaft 24: feed screw 25: movable frame 3: vacuum device 31: cylinder 32: piston
33: Piston rod 34: End plate 35: Waste liquid suction port 36:
Concentrated waste liquid discharge port 37: Steam discharge port 38: Decompression chamber 4: Waste liquid tank 41: Waste liquid pipe 42: Valve 5: Receiving tank 51: Discharge pipe 52: Valve 6: Evaporated vapor discharge pipe 61: Relay tank 62:
Solenoid valve 7: Evaporative vapor discharge mechanism 71: Cylinder 72:
Piston 73: Piston rod 74: Cylinder chamber 75: Suction port 76: Discharge port 8: Water tank 81: Control valve
Claims (5)
復運動するピストン３２と、ピストン３２に接合しパイ
プで構成されたピストンロッド３３とを有し、シリンダ
ー３１の減圧室３８側に廃液吸入口３５および濃縮廃液
排出口３６とが設けられている真空装置３、および、 ピストン３２の駆動手段２とからなり、 かつ、廃液吸入口３５は、バルブ４２を介して廃液槽４
に連結され、 濃縮廃液排出口３６は、バルブ５２して濃縮廃液の受槽
５に連結され、 ピストンロッド３３は、ピストン３２側の端が減圧室３
８に開口３７し、かつピストン３２と反対側の端が、電
磁弁６２を介して蒸発蒸気の排出装置７に接続されてい
る、 ことを特徴とする廃液処理装置。1. A cylinder 31, a piston 32 which reciprocates in the cylinder 31, and a piston rod 33 which is joined to the piston 32 and is constituted by a pipe. A waste liquid suction port 35 is provided on the side of the decompression chamber 38 of the cylinder 31. And a vacuum device 3 provided with a concentrated waste liquid discharge port 36, and a driving means 2 for the piston 32, and a waste liquid suction port 35 is provided with a waste liquid tank 4 via a valve 42.
The concentrated waste liquid discharge port 36 is connected to the concentrated waste liquid receiving tank 5 through the valve 52, and the piston rod 33 has the end on the piston 32 side of the decompression chamber 3
8. The waste liquid treatment apparatus, wherein the waste liquid treatment apparatus has an opening 37 at 8, and an end opposite to the piston 32 is connected to the vaporized vapor discharge device 7 via a solenoid valve 62.
ンロッド３３が単一の駆動手段２で駆動されていること
を特徴とする、請求項１に記載の廃液処理装置。2. The waste liquid treatment apparatus according to claim 1, wherein a plurality of vacuum devices 3 are provided and a plurality of piston rods 33 are driven by a single drive means 2.
を介してピストンポンプを用いた排出装置７に連結さ
れ、真空装置３と該ピストンポンプとが連動して作動す
ることを特徴とする、請求項１または２に記載の廃液処
理装置。3. An electromagnetic valve 62 is provided at the end opposite to the piston 32.
The waste liquid treatment apparatus according to claim 1 or 2, wherein the vacuum apparatus 3 and the piston pump are interlocked with each other and are connected to a discharge apparatus 7 using a piston pump via the.
熱手段４３が取り付けられている廃液槽４に連結されて
いることを特徴とする、請求項１、２または３に記載の
廃液処理装置。4. The waste liquid treatment according to claim 1, 2 or 3, wherein the waste liquid suction port 35 is connected via a valve 42 to the waste liquid tank 4 to which a heating means 43 is attached. apparatus.
樹脂材からなることを特徴とする、請求項１、２、３ま
たは４に記載の廃液処理装置。5. The waste liquid treatment apparatus according to claim 1, 2, 3 or 4, wherein the cylinder 31 and the piston 32 are made of a synthetic resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22316992A JPH0815593B2 (en) | 1992-07-08 | 1992-07-08 | Waste liquid treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22316992A JPH0815593B2 (en) | 1992-07-08 | 1992-07-08 | Waste liquid treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06226244A JPH06226244A (en) | 1994-08-16 |
| JPH0815593B2 true JPH0815593B2 (en) | 1996-02-21 |
Family
ID=16793886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22316992A Ceased JPH0815593B2 (en) | 1992-07-08 | 1992-07-08 | Waste liquid treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0815593B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106896A1 (en) | 2005-03-31 | 2006-10-12 | Sony Corporation | Housing tube device and imaging device |
| WO2019199109A1 (en) * | 2018-04-12 | 2019-10-17 | (주)에프엔지리서치 | Compound for restoring contaminated soil or contaminated water |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260494B3 (en) * | 2002-12-21 | 2004-02-05 | Kbh Engineering Gmbh | Method for desalinating water comprises filling evaporation unit with salt water, filling condensing unit with pure water and reducing pressure in both units before they are connected |
| JP5471577B2 (en) * | 2010-02-22 | 2014-04-16 | 株式会社大林組 | Pretreatment equipment for liquids containing hazardous substances |
-
1992
- 1992-07-08 JP JP22316992A patent/JPH0815593B2/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106896A1 (en) | 2005-03-31 | 2006-10-12 | Sony Corporation | Housing tube device and imaging device |
| WO2019199109A1 (en) * | 2018-04-12 | 2019-10-17 | (주)에프엔지리서치 | Compound for restoring contaminated soil or contaminated water |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06226244A (en) | 1994-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5496466A (en) | Portable water purification system with double piston pump | |
| US5205844A (en) | Degassing apparatus | |
| RU2127627C1 (en) | System and vacuum centrifugal distiller for regeneration of water from urine on spacecraft board | |
| JP2608605B2 (en) | Vacuum pump | |
| JPH0815593B2 (en) | Waste liquid treatment device | |
| EP0625245B1 (en) | Assembly for conveying a liquid medium, especially a heat carrier, in the cooling and heating circuit of a motor vehicle | |
| JPH0749096B2 (en) | Reverse osmosis membrane concentrator | |
| US5611895A (en) | Arrangement for removing and collecting the distillate of rotary vacuum evaporators | |
| JP2005501723A (en) | Press machine for dehumidification of wet materials, especially untreated waste | |
| JP2005331210A5 (en) | ||
| JPS57105576A (en) | Driving device of oil hydraulic pump with fly wheel | |
| DE1905191A1 (en) | Method and device for changing the physical state of gases | |
| CN113893644A (en) | Fertilizer deodorization equipment that possesses solid-liquid separation | |
| JPH05293493A (en) | Evaporation-concentration apparatus for aqueous solution and method for treating photoprocess waste water using the same | |
| CN220125524U (en) | Multiple-effect evaporation drying equipment | |
| US3728047A (en) | Solids accumulator pump system | |
| JPH0131283Y2 (en) | ||
| DE2034327A1 (en) | Turbomolecular pump with flooding device | |
| CN218320874U (en) | Evaporation crystallization device for sewage treatment | |
| JPH08296550A (en) | Power recovery type pump | |
| CN211707571U (en) | Efficient continuous feeding device of odor removal machine | |
| JPH0310367B2 (en) | ||
| JPH10103862A (en) | Superheater for water vapor recompression type vacuum drying device | |
| JP3981772B2 (en) | Exhaust pump | |
| JPH08327241A (en) | Heat treating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A045 | Written measure of dismissal of application |
Effective date: 20060822 Free format text: JAPANESE INTERMEDIATE CODE: A045 |