JPH08141312A - Solvent separator - Google Patents

Abstract

PURPOSE: To surely separate two kinds of solvents, and keep the purity and cleaning force of respective solvents. CONSTITUTION: A solvent stored in a first liquid storage space (a) of a solvent separator 33 is separated into upper and lower parts by the specific gravity difference, and a hydrocarbon solvent H of light specific gravity is stored in an upper liquid storage area of a first liquid storage space (a), while an organic solvent P of heavy specific gravity is stored in the lower liquid storage area. The hydrocarbon solvent H stored in the upper liquid storage area is flowed from above and recovered, while the organic solvent P stored in the lower liquid storage area is filtered with a cylindrical element 45 by the pressure of own-weight only, and the filtered organic solvent P is stored temporarily in a second liquid storage space (b) in the cylindrical element 45, and then the organic solvent P stored in the lower liquid storage are in the second liquid storage space (b) is flowed from below and recovered. Thus respective solvents can be separated and recovered surely with the efficiency higher than that of the conventional methods of separating forcibly the solvent transferred by a pump in a filter, the purity and cleaning force of respective solvents may be maintained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to, for example, electric parts,
The present invention relates to a solvent separator used for maintaining the purity and cleaning power of a solvent used in cleaning in a cleaning device for cleaning an object to be cleaned such as electronic parts, pressed parts, rubber parts and the like.

[0002]

2. Description of the Related Art Conventionally, as a method for cleaning an object to be cleaned as in the above-mentioned example, for example, after the object to be cleaned is immersed in a hydrocarbon solvent stored in a first cleaning tank, it is stored in the same tank. The liquid hydrocarbon solvent is vibrated by an ultrasonic oscillator to remove the oil, solvent, dust and other residues adhering to the object to be cleaned. After that, the object to be cleaned is immersed in the organic solvent stored in the second cleaning tank to peel off the hydrocarbon solvent adhering to the object to be cleaned. Alternatively, there is a cleaning method in which the organic solvent stored in the second cleaning tank is vibrated by an ultrasonic oscillator to peel off the hydrocarbon solvent adhering to the object to be cleaned.

[0003]

However, when the object to be cleaned is subjected to the cleaning treatment as described above, the amount of the hydrocarbon solvent emulsified in the organic solvent increases as the cleaning frequency of the object increases. Since the purity and detergency of the organic solvent drop in a short period of time, it is difficult to maintain the detergency of the organic solvent, and it takes a long time to remove the hydrocarbon solvent adhering to the object to be cleaned, resulting in a high cleaning efficiency. It has the problem of getting worse. Moreover, when separating and recovering the hydrocarbon solvent and the organic solvent used at the time of cleaning, the organic solvent stored in the second cleaning tank is transferred by a pump and continuously supplied to the filter to obtain the hydrocarbon solvent. The emulsified organic solvent is filtered by a filter to separate the hydrocarbon solvent emulsified into the organic solvent, but the transfer force of a pump is added to the organic solvent supplied to the filter to force it. Since the hydrocarbon solvent emulsified in the organic solvent passes through the filter because it is separated into, the hydrocarbon solvent remains in the organic solvent filtered by the filter, the recovery efficiency of the solvent is poor, It has a problem that it is difficult to recover the hydrocarbon solvent and the organic solvent to the previous purity and detergency.

In view of the above problems, the present invention causes a solvent having a low specific gravity stored in the upper storage area of the separator body to flow out from above, and the solvent stored in the lower storage area is filtered by its own weight. By flowing out from below, it is possible to reliably separate and collect each solvent having a different specific gravity, the recovery efficiency of the solvent is high, and it is an object to provide a solvent separator that can maintain the purity and cleaning power of the solvent. .

[0005]

According to the first aspect of the present invention,
The liquid storage space of the separator body is divided by an element to form a first liquid storage space and a second liquid storage space, and a lower liquid storage region of the first liquid storage space is formed at one side of the separator body. A liquid injection port is formed in communication with the first main body and the first side is formed on the other side of the separator body.
A liquid discharge port is formed in communication with the upper liquid storage area of the liquid storage space,
A liquid discharge port is formed on one side of the separator body so as to communicate with a lower liquid storage area of the second storage space, and a liquid injection port and a liquid discharge port formed on one side of the separator body. On the other hand, it is characterized in that it is a solvent separator obliquely installed so that the liquid discharge port formed on the other side of the separator body is at a high position.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the first liquid storage space houses a tubular element whose one end side is closed in the liquid storage space of the separator body. Then, a first liquid storage space is formed on the peripheral surfaces of the separator body and the element facing each other, and the second liquid storage space is contained in the tubular element housed in the separator body. The solvent separator is characterized by forming a space.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the separator body is
A solvent separator in which a liquid injection port formed on one side of the separator body and a liquid discharge port formed on the other side of the separator body are inclined with respect to the liquid injection port and the liquid discharge port formed at one side. It is characterized by

[0008]

In the solvent separator according to the first aspect, the solvent is injected into the first liquid storage space of the separator body from the lower liquid injection port,
The solvent stored in the liquid storage space is vertically separated by the difference in specific gravity.
A solvent having a low specific gravity is stored in the upper storage area of the first storage space, a solvent having a high specific gravity is stored in the lower storage area, and a solvent having a high specific gravity is stored in the upper storage area of the first storage space. Only the light solvent is flowed out from the upper liquid discharge port and collected. The solvent having a high specific gravity stored in the lower storage area of the first storage space is permeated through the element by the pressure of only its own weight and filtered, and the filtered solvent is temporarily stored in the second storage space formed in the element. By storing the liquid and collecting the solvent stored in the lower liquid storage area of the second liquid storage space by flowing out from the liquid discharge port on the lower liquid side, the respective solvents can be reliably separated and collected.

A solvent separator according to a second aspect of the invention, together with the action of the first aspect of the invention, forms a first liquid storage space on the peripheral surfaces of the separator body and the element facing each other, and is housed in the separator body. By forming the second liquid storage space in the formed element,
The solvent having a high specific gravity stored in the lower storage area of the storage space permeates from the outer peripheral portion of the element and is filtered, resulting in a wide filtration area and a high filtration capacity.

A solvent separator according to a third aspect of the present invention, in addition to the operation according to the first or second aspect of the present invention, has a liquid injection port and a liquid discharge port formed on one side of the separator body. By obliquely arranging the liquid discharge port formed on the other side of the separator body at a high position, the liquid discharge port is added to the solvent having a high specific gravity stored in the lower liquid storage region of the first liquid storage space. The pressure is relieved, and the solvent on the lower side is permeated through the element by its own weight and filtered to improve the solvent recovery efficiency.

[0011]

According to the present invention, the solvent having a low specific gravity stored in the first liquid storage space of the solvent separator is discharged from the upper side to be recovered, and the solvent having a specific gravity stored in the first liquid storage space is recovered. Since the heavy solvent is filtered by the pressure of only its own weight, and the filtered solvent stored in the second storage space is discharged from the lower side and collected,
The recovery efficiency is higher than the method of forcibly separating the pumped solvent with a filter as in the conventional example. For example, each solvent having a different specific gravity such as a hydrocarbon solvent or an organic solvent is reliably separated and recovered. It is possible to maintain the purity and detergency of each solvent.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. The drawing shows a solvent separator used for separating and recovering a hydrocarbon solvent and an organic solvent used for cleaning a work when cleaning the work with an ultrasonic cleaning device. The work W is immersed in the hydrocarbon solvent H of the primary cleaning tank 2 and the organic solvent P of the secondary cleaning tank 3 which form the cleaning device 1 for cleaning treatment, and the solvent separation provided in the cleaning device 1 is also performed. Hydrocarbon solvent H for device 4
The emulsified organic solvent P is supplied, and the hydrocarbon solvent H and the organic solvent P separated and recovered by the solvent separator 33 described later are returned to the cleaning tanks 2 and 3.

The above-mentioned primary cleaning tank 2 is, for example, a cleaning tank 5 for immersing a work W in a hydrocarbon solvent H whose main component is hydrochloro = HC for primary cleaning, and a carbonization gas flowing out from the cleaning tank 5. A storage tank 6 for temporarily storing the hydrogen-based solvent H is provided in parallel at the bottom of the tank, and the liquid level of the hydrocarbon-based solvent H stored in the cleaning tank 5 is slightly higher than the liquid level of the storage tank 6. Then, the hydrocarbon solvent H on the liquid surface portion is overflowed from the cleaning tank 5 to the storage tank 6. And cleaning tank 5
The ultrasonic vibrator 7 disposed on the inner wall surface of the bottom of the tank is vibrated at a predetermined frequency to induce ultrasonic vibration in the hydrocarbon solvent H, and oil or oil is applied to the heating pipe 8 disposed on the inner wall surface of the bottom of the tank. A heating medium such as an aqueous solution is circulated and supplied to heat the hydrocarbon solvent H to a predetermined temperature.

Further, the side wall surface of the cleaning tank 5 and the bottom wall surface of the storage tank 6 are connected by a liquid circulation passage 11 via a circulation pump 9 and a filtration filter 10, and the circulation pump 9 is transferred. The hydrocarbon solvent H stored in the storage tank 6 by force is cleanly filtered by the filtration filter 10 and circulated and supplied to the cleaning tank 5.
In addition, the side wall surface and the upper wall surface of the cleaning tank 5 are vacuum-distilled 1
The hydrocarbon-based solvent H stored in the cleaning tank 5 is connected to the liquid circulation path 13 via 2 and is distilled and regenerated by the reduced-pressure distiller 12 to be returned and supplied.

The above-mentioned secondary cleaning tank 3 is, for example, a cleaning tank 14 in which a work W is immersed in an organic solvent P containing perfluorocarbon = PFC as a main component for secondary cleaning, and the secondary cleaning tank 3 flows out from the cleaning tank 14. Storage tank 1 for temporarily storing the organic solvent P
5 and 5 are arranged side by side at the bottom of the tank, and the liquid level of the organic solvent P stored in the cleaning tank 14 is set to be slightly higher than the liquid level of the storage tank 15, so that the cleaning tank 14 moves to the storage tank 15. The organic solvent P in the liquid surface portion is caused to overflow. Further, the ultrasonic transducer 16 disposed on the inner wall surface of the bottom of the cleaning tank 14 is vibrated at a predetermined frequency to induce ultrasonic vibration in the organic solvent P, and the heating pipe disposed on the inner wall surface of the bottom of the tank. A heating medium such as oil or an aqueous solution is circulated to 17 to supply an organic solvent P.
Is heated to a predetermined temperature.

Further, the injection nozzle 18 fixed to the side wall surface of the cleaning tank 14 and the bottom wall surface of the storage tank 15 are connected to each other through a circulation pump 19 and a filtration filter 20 by a liquid circulation passage 21. The storage tank 15 is driven by the transfer force of the circulation pump 19.
The organic solvent P stored in the injection nozzle 18 is cleanly filtered by a filter 20 and circulated and supplied to the injection nozzle 18.
The organic solvent P on the liquid surface portion is overflowed from the cleaning tank 14 toward the storage tank 15 by the discharge jet flow of.

In addition, a cooling jacket 22 is provided along the inner wall surface of the upper part of the secondary cleaning tank 3, and a cooling coil 23 is provided in the upper vapor region of the dropping tank 24 connected to the side wall surface of the same, and, for example, Refrigerant cooled to an appropriate temperature by a refrigeration system (not shown) is cooled by the cooling jacket 22 and the cooling coil 2.
3 is circulated and supplied, and the vapor of the organic solvent P discharged into the upper space of the tank and the moisture in the atmosphere that enters the tank are condensed and liquefied by the cooling jacket 22 and the cooling coil 23 and dropped into the dropping tank 24. To do.

In the dropping tank 24 described above, a water separation tank 25 for separating the condensed and liquefied solvent into water is provided at the bottom of the tank, and the bottom wall surface of the dropping tank 24 and the water separation tank 25 are formed. 1
The upper wall surface of the separation tank 25 a is connected to the upper wall surface of the cleaning tank 14 provided in the secondary cleaning tank 3 by connecting the liquid recovery path 26 to the water separation tank 2.
The lower wall surface of the second separation tank 25b formed in No. 5 is connected to the liquid return passage 28 via the return pump 27, and the solvent once dropped in the dropping tank 24 is watered by the transfer force of the return pump 27. The solvent is supplied to the separation tank 25 to separate the solvent and water from the specific gravity, and the separated solvent is returned to the cleaning tank 14.

The above-mentioned solvent separation device 4 comprises a primary separation tank 29.
, A secondary separation tank 30, a solvent distillation tower 31, a liquid storage tank 32, and a solvent separator 33.
9 and the upper wall surface of the first separation tank 29a formed in the storage tank 1
5, the side wall surfaces of the first separation tank 29a and the second separation tank 29b formed in the same tank, and the first separation tank 30a formed in the secondary separation tank 30 are connected to each other by the liquid recovery path 34. Is connected with the upper wall surface of the liquid recovery path 35, and the organic solvent P in which the hydrocarbon solvent H floating in the liquid surface portion of the storage tank 15 is emulsified
Is supplied to the first separation tank 29a, and the respective separation tanks 29a, 29a
The organic solvent P floating on the liquid surface portion of b is added to the secondary separation tank 30.
To the first separation tank 30a. And the primary separation tank 29
Side wall surface of the third separation tank 29c formed on the surface and the solvent distillation tower 3
The lower wall surface of 1 is connected by a liquid recovery path 36, and the upper wall surface of the solvent distillation column 31 and the upper wall surface of the storage tank 15 are connected to the liquid return path 3
7 is connected to return the organic solvent P distilled and regenerated by the solvent distillation tower 31 to the storage tank 15. Moreover, the side wall surface of the second separation tank 30b formed in the secondary separation tank 30 and the upper wall surface of the storage tank 15 are connected by the liquid return path 39 via the return pump 38, and the return pump 38 The recycled organic solvent P is returned to the storage tank 15 by the transfer force, and the separation process of the organic solvent P in which the hydrocarbon solvent H is emulsified is repeated many times.

In the solvent distillation tower 31 described above, the side wall surface of the tower and the bottom wall surface of the liquid storage tank 32 disposed above are connected by a liquid recovery passage 40, and the lower wall surface of the tower and the liquid storage tank 32. The bottom wall surface of the solvent distillation tower 3 is connected to the bottom wall surface of the solvent via the circulation pump 41 by the liquid recovery passage 42, and the transfer force of the circulation pump 41 causes the solvent distillation tower 3
The organic solvent P stored in 1 is supplied to the liquid storage tank 32. Further, for example, a cooling medium such as oil or an aqueous solution cooled to an appropriate temperature is circulated and supplied to the cooling pipe 43 provided on the inner wall surface of the bottom of the liquid storage tank 32, and the liquid is stored in the liquid storage tank 32. While cooling the organic solvent P to a temperature below the boiling point or around room temperature, a part of the organic solvent P stored in the liquid storage tank 32 is returned to the solvent distillation tower 31, and the hydrocarbon solvent H becomes The distillation separation of the emulsified organic solvent P is repeated many times. The hydrocarbon-based solvent H floating on the liquid surface of the liquid storage tank 32 is separated by the solvent separator 33 disposed in the lower part, and the hydrocarbon-based solvent H is returned to the cleaning tank 5 of the primary cleaning tank 2, The organic solvent P is returned to the storage tank 15 of the next cleaning tank 3.

As shown in FIGS. 2 and 3, the solvent separator 33 described above is allowed to pass, for example, an organic solvent P in a hollow metal-made or resin-made separator body 44. A cylindrical element 45 made of stainless steel having a permeation hole (about 1 μm) formed therein is loaded, and at the same time, the separator main body 4
4 and a tubular element 45, a first storage space a for storing the organic solvent P in which the hydrocarbon solvent H is emulsified is formed between the opposed peripheral surfaces, and the cylinder is loaded in the separator main body 44. The second storage space b for storing the organic solvent P is formed on the inner peripheral surface side of the element 45.

Further, a liquid injection port 44a is formed on the lower outer wall surface of the separator main body 44 so as to communicate with the upper liquid storage area of the first liquid storage space a, and the upper outer wall surface of the separator main body 44 is formed. And the liquid discharge port 44b is formed obliquely upward so as to communicate with the upper liquid storage region of the first liquid storage space a described above.
The liquid discharge port 44c is formed downward or laterally on the lower outer wall surface of 4 by communicating with the lower liquid storage region of the second liquid storage space b, and the liquid discharge port 44c is lower than the liquid injection port 44a. Therefore, the separator main body 44 is obliquely installed at an angle θ at which the liquid discharge port 44b is higher than the liquid injection port 44a.

Further, the liquid injection port 44a formed in the separator main body 44 and the side wall surface corresponding to the liquid surface portion of the liquid storage tank 32 are connected to each other by the liquid recovery passage 46 to be formed in the separator main body 44. Liquid discharge port 44b and cleaning tank 5 provided in primary cleaning tank 2
The upper wall surface of the separator is connected by a liquid return path 47, and the separator main body 4
The liquid discharge port 44c formed in 4 and the upper wall surface of the storage tank 15 provided in the secondary cleaning tank 3 are connected by a liquid return path 48, and the solvent separator 33 is arranged below the liquid storage tank 32. Further, the organic solvent P stored in the lower liquid storage area of the first liquid storage space a is provided so as to permeate the tubular element 45 by the pressure of only its own weight.

That is, the hydrocarbon-based solvent H floating in the liquid surface portion of the liquid storage tank 32 is temporarily stored in the first liquid storage space a of the separator body 44 via the liquid recovery passage 46, and the first liquid storage is performed. Space a
The hydrocarbon solvent H and the organic solvent P stored in the above are separated into upper and lower parts due to the difference in specific gravity, and the hydrocarbon solvent H stored in the upper storage area of the first storage space a is returned. Road 47
It is returned to the cleaning tank 5 of the primary cleaning tank 2 via. In addition, the organic solvent P filtered by the tubular element 45 is added to the second
The organic solvent P temporarily stored in the storage space b and stored in the lower storage area of the second storage space b is returned to the storage tank 15 of the secondary cleaning tank 3 via the liquid return passage 48. And hydrocarbon solvent H
The separation and regeneration of the emulsified organic solvent P is repeated many times.

In the embodiment, the solvent is separated by the tubular element 45 made of stainless steel, but the tubular element 4 made of synthetic resin such as nylon or acrylic is used.
It may be used depending on the solvent for separating 5.

Assuming that the illustrated embodiment is configured as described above, a method of cleaning the work W by the solvent separator 1 will be described below. First, as shown in FIG. 1, the ceiling portion of the primary cleaning tank 2 is partially opened to carry in an uncleaned work W, and the cleaning tank 5
The entire work W is immersed in the hydrocarbon solvent H stored in the tank, and the ultrasonic vibrator 7 provided in the cleaning tank 5 is vibrated to induce ultrasonic vibration in the hydrocarbon solvent H, thereby The cavitation action of the solvent H removes and removes residues such as oil and dust attached to the work W.

Next, the ceiling of the secondary cleaning tank 3 is partially opened to carry in the primary cleaning work W, and the entire work W is immersed in the organic solvent P stored in the cleaning tank 14 and The hydrocarbon solvent H adhering to the surface portion of W is peeled off by the surface tension of the organic solvent P, and the hydrocarbon solvent H peeled off from the work W is emulsified into the organic solvent P to form the organic solvent P. The emulsified hydrocarbon solvent H having a low specific gravity is floated on the liquid surface portion of the cleaning tank 14. Alternatively, the ultrasonic vibrator 16 provided in the cleaning tank 14 is vibrated to induce ultrasonic vibration in the organic solvent P, and the hydrocarbon solvent H attached to the work W is peeled off by the cavitation action of the organic solvent P. To do.

At the same time, the organic solvent P floating on the liquid surface of the cleaning tank 14 is caused to overflow into the storage tank 15, and the organic solvent P stored in the storage tank 15 is removed from the primary separation tank 29 of the solvent separation device 4. , Secondary separation tank 30, solvent distillation tower 31
, The liquid storage tank 32 and the solvent separator 33 are sequentially supplied, and the separation process by the solvent separation device 4 is repeated many times to return the hydrocarbon solvent H to the cleaning tank 5 of the primary cleaning tank 2. The organic solvent P is returned to the storage tank 15 of the secondary cleaning tank 3.

As shown in FIGS. 2 and 3, the organic solvent P stored in the storage tank 15 is supplied to the primary separation tank 29, and the organic solvent P separated by the specific gravity in the primary separation tank 29 is subjected to a solvent distillation column. It is supplied to 31 and the organic solvent P in which the hydrocarbon solvent H is emulsified is distilled and regenerated by the solvent distillation tower 31. The organic solvent P that has been distilled and regenerated is returned to the storage tank 15 of the secondary cleaning tank 3,
The remaining organic solvent P is temporarily stored in the liquid storage tank 32, the organic solvent P stored in the liquid storage tank 32 is returned to the solvent distillation tower 31, and the distillation regeneration is repeated many times.

Further, the hydrocarbon solvent H floating on the liquid surface portion of the liquid storage tank 32 is caused to flow out from the liquid recovery passage 46, and the liquid injection port 44a of the separator main body 44 constituting the solvent separator 33.
The hydrocarbon solvent H is supplied to the first liquid storage space a via the. The hydrocarbon solvent H and the organic solvent P, which are stored in the first storage space a, are vertically separated by the difference in specific gravity, and the hydrocarbon solvent having a low specific gravity is stored in the upper storage region of the first storage space a. The H is stored, and the organic solvent P having a high specific gravity is stored in the lower storage area.

The hydrocarbon solvent H stored in the upper storage area of the first storage space a is the liquid discharge port 44b of the separator body 44.
And is returned to the cleaning tank 5 of the primary cleaning tank 2. Organic solvent P stored in the lower storage area of the first storage space a
Is filtered by the tubular element 45 by the pressure of its own weight,
The filtered organic solvent P is temporarily stored in the second storage space b in the tubular element 45, and the organic solvent P stored in the lower storage area of the second storage space b is separated by the separator. Body 44
And is returned to the storage tank 15 of the secondary cleaning tank 3. The separation and regeneration of the organic solvent P in which the hydrocarbon solvent H is emulsified is repeated many times, and the purity and cleaning power of the hydrocarbon solvent H and the organic solvent P stored in each of the cleaning tanks 2 and 3 are improved. maintain.

As described above, the upper hydrocarbon solvent H stored in the first liquid storage space a of the solvent separator 33 is made to flow out from above and is collected, and is stored in the first liquid storage space a. The lower organic solvent P on the lower side is filtered by the tubular element 45 by the pressure of only its own weight, and the second liquid storage space b of the tubular element 45 is filtered.
Since the filtered organic solvent P stored in the column is flowed out and collected from below, a method for forcibly separating the hydrocarbon solvent H and the organic solvent P by the transfer pressure of the pump as in the conventional example. The recovery efficiency is higher than that, and the hydrocarbon solvent H and the organic solvent P can be reliably separated and recovered, and the purity and detergency before use can be maintained.

In the correspondence between the constitution of the present invention and the above-mentioned embodiment, the solvent of the present invention corresponds to the hydrocarbon solvent H and the organic solvent P of the embodiment, and hereinafter, similarly, the element is tubular. Although it corresponds to the element 45, the present invention is not limited to the configuration of the above-described embodiment.

In the above-described embodiment, when the work W is washed, the organic solvent P in which the hydrocarbon solvent H is emulsified is used as the primary separation tank 29 and the secondary separation tank 30 of the solvent separation device 4.
The solvent-distillation tower 31, the liquid storage tank 32, and the solvent separator 33 are circulated and supplied, and the hydrocarbon solvent H and the organic solvent P separated by the solvent separator 33 are removed from the primary cleaning tank 2 And the secondary cleaning tank 3, respectively. For example, the hydrocarbon-based solvent H and the organic solvent P separated by the solvent separator 33 are separately stored, and stored separately at the start of work. The hydrocarbon solvent H and the organic solvent P may be returned to the primary cleaning tank 2 and the secondary cleaning tank 3 by the operator's hand.

In addition, the solvent separator 33 of the present invention comprises a hydrocarbon solvent H (hydrochloro = HC) and an organic solvent P.
It is used to separate (perfluorocarbon = PFC), but it can also be applied to the work of separating each of the two types of solvents that are chemically emulsified, and is applicable only to the solvents shown in the examples. It is not limited.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a cleaning process of an ultrasonic cleaning device including a solvent separator.

FIG. 2 is a side view showing a transfer path of a solvent separator that constitutes the solvent separator.

FIG. 3 is a vertical cross-sectional side view showing the internal structure of a solvent separator.

[Explanation of symbols]

 H ... Hydrocarbon solvent P ... Organic solvent a ... First storage space b ... Second storage space 1 ... Ultrasonic cleaning device 2 ... Primary cleaning tank 3 ... Secondary cleaning tank 4 ... Solvent separation device 32 ... Storage Liquid tank 33 ... Solvent separator 44 ... Separator body 44a ... Liquid injection port 44b, 44c ... Liquid discharge port 45 ... Cylindrical element 46, 47, 48 ... Liquid return path

Claims (3)

[Claims] 1. A solvent separator in which a solvent is temporarily stored in a storage space formed in a separator body, and the solvent is filtered and separated by an element loaded in the separator body. The liquid storage space is divided by elements to form a first liquid storage space and a second liquid storage space, and the liquid is communicated with one side of the separator body to a lower liquid storage region of the first liquid storage space. An inlet is formed, a liquid discharge port is formed on the other side of the separator body in communication with the upper liquid storage region of the first liquid storage space, and the second storage is formed on one side of the separator body. A liquid discharge port is formed in communication with the lower liquid storage region of the liquid space, and the liquid injection port and the liquid discharge port formed on one side of the separator body are provided on the other side of the separator body. A solvent separator provided so that the formed liquid discharge port is at a high position. 2. The first liquid storage space has a cylindrical element whose one end side is closed in the liquid storage space of the separator body, and a first element is provided on a peripheral surface facing the separator body and the element. The solvent separator according to claim 1, wherein the liquid storage space is formed, and the second liquid storage space is formed by forming a second liquid storage space in a cylindrical element housed in the separator body. 3. The separator main body has a liquid injection port formed on one side of the separator main body and a liquid discharge port formed on the other side of the separator main body at a higher position than a liquid injection port formed on one side of the separator main body. The solvent separator according to claim 1, wherein the solvent separator is obliquely installed at a certain angle.