CN217773371U - Oil-water separating device - Google Patents

Abstract

The utility model provides an oil-water separation device. The oil-water separation device comprises: the separation part comprises a separation box and a filtering structure for solid-liquid separation, the separation box defines a first cavity, a feed inlet, a water outlet and an oil outlet, the feed inlet is communicated with the first cavity, the water outlet is positioned below the oil outlet, and at least part of the filtering structure is arranged in the separation box; the treatment part is positioned on one side of the separation part and comprises a treatment box and an adsorption structure for impurity removal, the treatment box defines a second cavity, an oil inlet and a discharge port which are communicated with the second cavity, and the oil inlet is communicated with the oil outlet; the discharge gate is located the below of oil inlet, and adsorption structure is located between oil inlet and the discharge gate to carry out secondary treatment to the fluid after the separation of separator. The technical scheme of the utility model the relatively poor problem of recovery effect of the oil water separator among the prior art has been solved.

Description

Oil-water separating device

Technical Field

The utility model relates to a chemical machinery produces technical field, particularly, relates to an oil-water separator.

Background

In the chemical machinery production line, the metal product that finishes making needs to use the washing liquid to carry out the mechanical oil stain sanitization that the surface is infected with, and the water-oil mixture that finishes washing needs to use special water oil separating device to carry out water oil separating to be convenient for subsequent categorised recovery and recycle.

Among the prior art, oil water separator often the structure is comparatively crude, does not set up filtration before oil water separator, and the great solid waste debris of granule often can block up the pipeline, and the greasy dirt of isolating does not pass through secondary treatment moreover, and recovery effect is also relatively poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an oil-water separator, which solves the problem of poor recovery effect of the oil-water separator in the prior art.

In order to achieve the above object, the utility model provides an oil-water separation device, include: the separation part comprises a separation box and a filtering structure for solid-liquid separation, the separation box defines a first cavity, a feed inlet, a water outlet and an oil outlet, the feed inlet is communicated with the first cavity, the water outlet is positioned below the oil outlet, and at least part of the filtering structure is arranged in the separation box; the treatment part is positioned on one side of the separation part and comprises a treatment box and an adsorption structure for impurity removal, the treatment box defines a second cavity, an oil inlet and a discharge port which are communicated with the second cavity, and the oil inlet is communicated with the oil outlet; the discharge port is located below the oil inlet, and the adsorption structure is located between the oil inlet and the discharge port so as to perform secondary treatment on the oil separated by the separation part.

Further, the adsorption structure includes: the mounting frame is connected with the treatment box and is provided with a mounting groove; a plurality of absorption section of thick bamboo are located the mounting groove to can carry out the edulcoration to the fluid that gets into the area impurity of handling the incasement.

Furtherly, processing part is still including the joint structure that is located the relative both sides of mounting bracket, and the joint structure includes joint spare and buckle, be equipped with on the joint spare with buckle complex draw-in groove, one in mounting bracket and the treatment box is equipped with joint spare, another in mounting bracket and the treatment box is equipped with the buckle.

Further, oil-water separator still includes the drive division that is located the outside of separator box, and the drive division has stiff end and the flexible end for stiff end movable setting, and the stiff end is connected with the separator box, and flexible end is connected with filtration to make filtration along the movably setting of vertical direction for the separator box.

Further, the oil-water separator still includes: the sleeve is connected with the filtering structure; the pivot shaft penetrates through the sleeve, the sleeve is rotatably arranged relative to the pivot shaft, and one end of the pivot shaft extends out of the sleeve to be connected with the telescopic end.

Further, the filter structure includes: the filter cylinder penetrates through the feed inlet and is provided with a plurality of first filter holes; and the filter plate is positioned in the filter cylinder, a plurality of second filter holes are formed in the filter plate, and the inner diameter of each second filter hole is smaller than that of each first filter hole.

Further, the oil-water separator still includes: a water tank located at one side of the treatment tank; the conveying pipeline comprises a main pipeline, a first pipeline communicated with the main pipeline and a second pipeline communicated with the main pipeline, the first pipeline is communicated with the first cavity, and the second pipeline is communicated with the second cavity; the inlet of the power pump is communicated with the water tank, and the outlet of the power pump is communicated with the main pipeline so as to pump the liquid in the water tank into the separation tank and the treatment tank.

Furthermore, the oil-water separation device also comprises two drain pipes which are respectively communicated with the first cavity and the second cavity; or the oil-water separation device comprises a plurality of first pipelines arranged at intervals along the horizontal direction; the oil-water separation device comprises a plurality of second pipelines arranged at intervals along the horizontal direction.

Furtherly, oil-water separator still including setting up the exhaust gas purifier who is handling the incasement, exhaust gas purifier including purify the body and all with purify this body coupling's first intake pipe, second intake pipe and outlet duct, first intake pipe and first cavity intercommunication, second intake pipe and second cavity intercommunication, the outlet duct stretches out and handles the case.

Further, the oil-water separator still includes: the separation box and the treatment box are arranged on the support frame; the water collecting tank is arranged on the supporting frame and is communicated with the first cavity through the water outlet; the oil collecting tank is arranged on the support frame and is communicated with the second cavity through the discharge hole; or the oil-water separation device further comprises an oil guide pipe arranged on the side wall of the separation box in a penetrating mode, the oil guide pipe is arranged obliquely relative to the separation box, one end of the oil guide pipe is located in the separation box and forms an oil outlet, the other end of the oil guide pipe is located in the treatment box and forms an oil inlet, and the oil outlet is located above the oil inlet.

Use the technical scheme of the utility model, the water-oil mixture that will contain solid waste pours into by the feed inlet in can filterable filtration, the water-oil mixture that contains solid waste enters into the bottom of first cavity after filtering, then utilize the principle of water-oil incompatibility and density difference, make the water that is located the lower floor discharge from the delivery port, it is in the fluid that floats at the upper strata and contain impurity enters into the second cavity through oil-out and oil inlet in proper order, then the fluid that contains impurity is discharged from the discharge gate after adsorption structure edulcoration, and thus, the water-oil mixture that contains solid waste is after the primary treatment through solid-liquid separation and water-oil separation, can also handle through the secondary edulcoration that adsorption structure goes on, thereby can improve the recovery effect of fluid, and then reuse after being convenient for retrieve the centralized processing.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an oil-water separator according to an embodiment of the present invention;

FIG. 2 is a schematic view showing a connection structure of a filter structure and a driving part of the oil water separating device of FIG. 1;

FIG. 3 is a schematic diagram of the water tank and the delivery line of the oil-water separator of FIG. 1; and

fig. 4 is a schematic diagram showing the adsorption structure of the oil-water separator of fig. 1.

Wherein the figures include the following reference numerals:

10. a separation box; 11. a water outlet; 12. an oil outlet; 20. a filter structure; 21. a filter cartridge; 22. filtering the plate; 30. a treatment tank; 31. an oil inlet; 32. a discharge port; 40. an adsorption structure; 41. a mounting frame; 42. mounting grooves; 43. an adsorption cylinder; 45. a clamping piece; 46. buckling; 50. a drive section; 51. a fixed end; 52. a telescopic end; 61. a sleeve; 62. a rotating shaft; 71. a water tank; 72. a main pipeline; 73. a first pipeline; 74. a second pipeline; 75. a power pump; 76. a drain pipe; 80. an exhaust gas purifier; 81. a first intake pipe; 82. a second intake pipe; 83. an air outlet pipe; 90. a support frame; 91. a water collection tank; 92. an oil collecting tank; 93. an oil guide pipe.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the embodiment of the utility model provides an oil-water separator is used in chemical machinery production.

As shown in fig. 1, an embodiment of the present invention provides an oil-water separation device. The oil-water separation device includes a separation unit and a processing unit. The separation part comprises a separation box 10 and a filtering structure 20 for solid-liquid separation, the separation box 10 defines a first cavity, a feed inlet, a water outlet 11 and an oil outlet 12 which are communicated with the first cavity, the water outlet 11 is positioned below the oil outlet 12, and at least part of the filtering structure 20 is arranged in the separation box 10; the treatment part is positioned on one side of the separation part, the treatment part comprises a treatment box 30 and an adsorption structure 40 for impurity removal, the treatment box 30 defines a second cavity, an oil inlet 31 and a discharge port 32 which are communicated with the second cavity, and the oil inlet 31 is communicated with the oil outlet 12; the discharge port 32 is positioned below the oil inlet 31, and the adsorption structure 40 is positioned between the oil inlet 31 and the discharge port 32 to perform secondary treatment on the oil liquid separated by the separation part.

In the technical scheme, a water-oil mixture containing solid wastes is poured into a filtering structure 20 with a filtering function from a feeding hole, the water-oil mixture containing the solid wastes enters the bottom of a first cavity after being filtered, then water in the lower layer is discharged from a water outlet 11 by utilizing the principles of water-oil incompatibility and density difference, and oil which floats on the upper layer and contains impurities sequentially enters a second cavity through an oil outlet 12 and an oil inlet 31; then the fluid that contains the impurity discharges from discharge gate 32 after 40 edulcorations of adsorption structure, like this, the water-oil mixture that contains solid waste can also carry out the secondary edulcoration through adsorption structure 40 and handle after the primary treatment through solid-liquid separation and water-oil separation to can improve the recovery effect of fluid, and then reuse after being convenient for retrieve centralized processing.

As shown in fig. 1 and 4, in the embodiment of the present invention, the adsorption structure 40 includes a mounting frame 41 and a plurality of adsorption cylinders 43. Wherein, the mounting rack 41 is connected with the processing box 30, and the mounting rack 41 is provided with a mounting groove 42; the plurality of adsorption cylinders 43 are located in the installation groove 42 to remove impurities from the oil with impurities entering the treatment tank 30.

Through the arrangement, the oil liquid containing impurities entering the second cavity can be subjected to impurity removal through the adsorption cylinders 43, so that the oil filter is more thorough, and the oil filter is convenient to recycle and treat intensively.

Specifically, in the embodiment of the present invention, the organic filler for absorbing and decomposing fine debris in the oil stains is provided in the adsorption cylinder 43, so that the impurities leaked from the filtering structure 20 can be removed.

Specifically, in the embodiment of the present invention, a plurality of mounting grooves 42 corresponding to a plurality of adsorbing cylinders 43 are provided on the mounting frame 41, and the mounting grooves 42 are matched with the adsorbing cylinders 43, so as to facilitate installation.

Specifically, the utility model discloses an in the embodiment, adsorb a section of thick bamboo 43 and be tubular structure, tubular structure is including the three section of thick bamboo that is connected, and the external diameter that is arranged in two sections of thick bamboo sections of both sides in the three section of thick bamboo section is greater than the external diameter that is arranged in the middle of the section of thick bamboo section in three section of thick bamboo section, can form like this and prevent to adsorb a stair structure that a section of thick bamboo 43 breaks away from in the mounting groove 42.

Preferably, the embodiment of the present invention provides an adsorbing cylinder 43 made of PVC, so that the adsorbing cylinder 43 has certain elasticity, and when assembling, the adsorbing cylinder 43 can be directly pressed into or pulled out of the mounting groove 42, so as to achieve the detachability of the adsorbing cylinder 43, thereby facilitating the maintenance of the adsorbing cylinder 43.

As shown in fig. 1 and 4, in the embodiment of the present invention, the processing portion further includes a clamping structure located on two opposite sides of the mounting frame 41, the clamping structure includes a clamping member 45 and a buckle 46, the clamping member 45 is provided with a clamping groove matched with the buckle 46, the processing box 30 is provided with the clamping member 45, and the mounting frame 41 is provided with the buckle 46. Thus, the mounting frame 41 and the plurality of adsorption cylinders 43 arranged on the mounting frame 41 can be mounted on the treatment box 30, and the mounting frame 41 can be detachably connected with the treatment box 30, so that when the adsorption cylinders 43 need to be replaced or the adsorption cylinders 43 need to be maintained, the mounting frame 41 only needs to be detached from the treatment box 30, and the maintenance efficiency is improved.

The oil-water separator known to the inventor has a problem that when the filter cartridge needs to be cleaned, a technician needs to repeatedly take out and place the filter cartridge, which affects the treatment efficiency.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the oil-water separation device further includes a driving portion 50 located outside the separation box 10, the driving portion 50 has a fixed end 51 and a telescopic end 52 movably disposed relative to the fixed end 51, the fixed end 51 is connected to the separation box 10, and the telescopic end 52 is connected to the filtering structure 20, so that the filtering structure 20 is movably disposed in the vertical direction relative to the separation box 10.

Above-mentioned technical scheme, when needing to clear up filtration 20, the flexible end 52 of drive division 50 can be ejecting filtration 20 from the first cavity, and because filtration 20's inside cavity, flexible end 52 can push up filtration 20 steadily and follow vertical direction rebound, deviate from completely in the first cavity until filtration 20 follows the first cavity, and like this, be convenient for clear up the debris in the filtration 20, and when needs filter the water-oil mixture that contains solid waste, only need drive flexible end 52 and follow vertical direction rebound, just can put into the first cavity with filtration 20.

Preferably, in the embodiment of the present invention, the driving portion 50 is a cylinder, and of course, in an alternative embodiment not shown in the drawings, the driving portion 50 may also be an electric telescopic rod.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the oil-water separator further includes a sleeve 61 and a pivot shaft 62. Wherein the sleeve 61 is connected to the filter structure 20; the pivot shaft 62 is disposed through the sleeve 61, the sleeve 61 is rotatably disposed relative to the pivot shaft 62, and one end of the pivot shaft 62 extends out of the sleeve 61 and is connected to the telescopic end 52.

Through the setting, when flexible end 52 takes filtration 20 to deviate from completely in first cavity, operating personnel can utilize the pivotal connection between pivot 62 and the sleeve 61, and manual upset filtration 20 forward or backward around pivot 62 to pour out the solid waste in the filtration 20, like this, labour saving and time saving can accelerate the clearance speed, can also shorten the time of empting round the turn, thereby improve cleaning efficiency.

Preferably, in the embodiment of the present invention, the oil-water separation device further includes a fixing plate connected to the telescopic end 52, and one end of the pivot shaft 62 is connected to the telescopic end through the fixing plate.

As shown in fig. 2, in the embodiment of the present invention, the filter structure 20 includes a filter cartridge 21 and a filter plate 22. The filter cartridge 21 penetrates through the feed inlet, and a plurality of first filter holes are formed in the filter cartridge 21; the filter plate 22 is located in the filter cylinder 21, and a plurality of second filter holes are arranged on the filter plate 22, and the inner diameter of the second filter holes is smaller than that of the first filter holes.

Through the arrangement, the water-oil mixture containing the solid waste is poured into the filter cylinder 21 from the feeding hole, the filter cylinder 21 can filter large-particle solid waste, and the filter plate 22 can intercept fine sundries, so that the solid-liquid separation effect can be improved.

Further, when the telescopic end 52 with the filter structure 20 completely falls out of the first cavity, the filter structure 20 can be manually turned around the pivot shaft 62 forward or backward by using the pivot connection between the pivot shaft 62 and the sleeve 61, so as to disassemble the filter plate 22, so as to maintain the filter plate 22, thereby improving the maintenance efficiency.

The oil-water separation device known by the inventor needs manual cleaning after being used, and is time-consuming and labor-consuming.

As shown in fig. 1 and fig. 3, in the embodiment of the present invention, the oil-water separation device further includes a water tank 71, a conveying pipeline, and a power pump 75. Wherein the water tank 71 is located at one side of the treatment tank 30; the conveying pipeline comprises a main pipeline 72, a first pipeline 73 communicated with the main pipeline 72 and a second pipeline 74 communicated with the main pipeline 72, the first pipeline 73 is communicated with the first cavity, and the second pipeline 74 is communicated with the second cavity; an inlet of the power pump 75 communicates with the water tank 71 and an outlet of the power pump 75 communicates with the main line 72 to pump the liquid in the water tank 71 into the separation tank 10 and into the treatment tank 30.

Through the arrangement, the power pump 75 pumps cleaning water from the water tank 71, and the cleaning water enters the first cavity and the second cavity through the main pipeline 72, the first pipeline 73 and the second pipeline 74 respectively, so that the separation box 10 and the treatment box 30 are automatically washed at high speed, oil stain residue can be reduced, and the problems that manual cleaning of the separation box 10 and the treatment box 30 are time-consuming and labor-consuming are solved.

As shown in fig. 1, in the embodiment of the present invention, the oil-water separation device further includes two water drainage pipes 76, and the two water drainage pipes 76 are respectively communicated with the first cavity and the second cavity. Thus, after the separation box 10 and the treatment box 30 are washed, the waste water can be discharged from the two water discharge pipes 76 respectively and be treated in a centralized manner, so that the waste water can be recycled again, and the purposes of environmental protection and energy conservation can be achieved.

Preferably, in the embodiment of the present invention, the two water discharge pipes 76 are connected to each other, so that the washing water can be collected and recycled.

As shown in fig. 1 and 3, in the embodiment of the present invention, the oil-water separation device includes a plurality of first pipelines 73 arranged at intervals along the horizontal direction; the oil-water separator includes a plurality of second pipes 74 arranged at intervals in the horizontal direction. This can increase the cleaning area of the separation tank 10 and the treatment tank 30, thereby improving the cleaning effect.

The inventor knows an oil-water separation device, in the oil-water separation process, the waste gas generated by the oil-water separation device can be directly discharged to the external environment, thereby causing environmental pollution.

As shown in fig. 1, in the embodiment of the utility model, oil-water separator is still including setting up the exhaust gas purifier 80 in handling case 30, and exhaust gas purifier 80 is including purifying the body and all with first intake pipe 81, second intake pipe 82 and the outlet duct 83 of purifying this body coupling, first intake pipe 81 and first cavity intercommunication, second intake pipe 82 and second cavity intercommunication, outlet duct 83 stretch out and handle case 30.

Through the arrangement, in the oil-liquid separation process, waste gas generated in the separation box 10 and the treatment box 30 can be respectively led into the purification body through the first air inlet pipe 81 and the second air inlet pipe 82, and then is discharged through the air outlet pipe 83 after being purified by the purification body, so that the probability of environment pollution caused by the waste gas generated in the oil-liquid separation process is reduced.

Specifically, the embodiment of the utility model provides an in, the top of separator box 10 and processing case 30 all is equipped with the apron, like this, can avoid the interior waste gas of first cavity and second cavity to discharge in a large number.

As shown in fig. 1, in the embodiment of the present invention, the oil-water separation device further includes a supporting frame 90, a water collecting tank 91 and a oil collecting tank 92. Wherein, the separation box 10 and the treatment box 30 are both arranged on the support frame 90; the water collecting tank 91 is arranged on the supporting frame 90, and the water collecting tank 91 is communicated with the first cavity through the water outlet 11; the oil collecting tank 92 is arranged on the support frame 90, and the oil collecting tank 92 is communicated with the second cavity through the discharge hole 32. Thus, on the one hand, the sewage discharged from the separation tank 10 can be collected to avoid environmental pollution; on the other hand, can collect the fluid after the secondary treatment to the later stage is carried out the recovery and is recycled after centralized processing.

Specifically, in the embodiment of the present invention, the water collecting tank 91 is located below the water outlet 11, and the oil collecting tank 92 is located below the discharge port 32.

As shown in fig. 1, in the embodiment of the present invention, the oil-water separation device further includes an oil conduit 93 disposed on the side wall of the separation box 10, the oil conduit 93 is disposed in an inclined manner relative to the separation box 10, one end of the oil conduit 93 is located in the separation box 10 and forms the oil outlet 12, the other end of the oil conduit 93 is located in the treatment box 30 and forms the oil inlet 31, and the oil outlet 12 is located above the oil inlet 31.

Through the setting, can make the fluid that lies in the upper strata in separator box 10 flow to adsorption structure 40 after leading oil pipe 93 direction on to reduce the probability that fluid takes place the splash all around after falling adsorption structure 40, and then make most fluid homoenergetic carry out the edulcoration through adsorption structure 40, can improve the oil strain effect like this.

It should be noted that the oil-water separation device of this embodiment not only can carry out secondary treatment to the fluid of separating, has improved the separation effect, can also reduce exhaust pollution, has still realized self-cleaning, reduces the effect of manpower cleaning cost.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the water-oil mixture containing solid waste is poured into the filterable filtering structure from the feed inlet, the water-oil mixture containing solid waste enters the bottom of the first cavity after being filtered, then the principles of water-oil incompatibility and density difference are utilized, so that water at the lower layer is discharged from the water outlet, oil floating on the upper layer and containing impurities sequentially enters the second cavity through the oil outlet and the oil inlet, and then the oil containing impurities is discharged from the discharge port after being subjected to impurity removal through the adsorption structure.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An oil-water separator, comprising:

the separation part comprises a separation box (10) and a filtering structure (20) for solid-liquid separation, the separation box (10) defines a first cavity, a feed inlet communicated with the first cavity, a water outlet (11) and an oil outlet (12), the water outlet (11) is positioned below the oil outlet (12), and at least part of the filtering structure (20) is arranged in the separation box (10);

the treatment part is positioned on one side of the separation part and comprises a treatment box (30) and an adsorption structure (40) for impurity removal, the treatment box (30) defines a second cavity, an oil inlet (31) and a discharge hole (32) which are communicated with the second cavity, and the oil inlet (31) is communicated with the oil outlet (12);

the discharge port (32) is located below the oil inlet (31), and the adsorption structure (40) is located between the oil inlet (31) and the discharge port (32) so as to perform secondary treatment on the oil liquid separated by the separation part.

2. The oil-water separation device according to claim 1, wherein the adsorption structure (40) comprises:

the mounting rack (41) is connected with the treatment box (30), and a mounting groove (42) is formed in the mounting rack (41);

the adsorption cylinders (43) are positioned in the mounting groove (42) and can remove impurities from the oil liquid with impurities entering the treatment box (30).

3. The oil-water separation device according to claim 2, characterized in that the processing portion further comprises clamping structures located on two opposite sides of the mounting frame (41), each clamping structure comprises a clamping piece (45) and a buckle (46), a clamping groove matched with the buckle (46) is formed in each clamping piece (45), one of the mounting frame (41) and the processing box (30) is provided with the clamping piece (45), and the other one of the mounting frame (41) and the processing box (30) is provided with the buckle (46).

4. The oil and water separator according to any one of claims 1-3, further comprising a drive part (50) located outside the separator tank (10), wherein the drive part (50) has a fixed end (51) and a telescopic end (52) movably arranged relative to the fixed end (51), the fixed end (51) is connected with the separator tank (10), and the telescopic end (52) is connected with the filter structure (20) so that the filter structure (20) is movably arranged relative to the separator tank (10) in a vertical direction.

5. The oil-water separator according to claim 4, further comprising:

a sleeve (61) connected to the filter structure (20);

the pivot shaft (62) penetrates through the sleeve (61), the sleeve (61) is rotatably arranged relative to the pivot shaft (62), and one end of the pivot shaft (62) extends out of the sleeve (61) to be connected with the telescopic end (52).

6. The oil-water separation device according to any one of claims 1 to 3, characterized in that the filter structure (20) comprises:

the filter cylinder (21) penetrates through the feeding hole, and a plurality of first filter holes are formed in the filter cylinder (21);

the filter plate (22) is positioned in the filter cylinder (21), a plurality of second filter holes are formed in the filter plate (22), and the inner diameter of each second filter hole is smaller than that of each first filter hole.

7. The oil-water separator according to any one of claims 1 to 3, further comprising:

a water tank (71) located at one side of the treatment tank (30);

a delivery conduit comprising a main conduit (72), a first conduit (73) in communication with the main conduit (72), and a second conduit (74) in communication with the main conduit (72), the first conduit (73) being in communication with the first cavity, the second conduit (74) being in communication with the second cavity;

a power pump (75), an inlet of the power pump (75) being in communication with the water tank (71), an outlet of the power pump (75) being in communication with the main conduit (72) for pumping liquid in the water tank (71) into the separation tank (10) and into the treatment tank (30).

8. The oil-water separator according to claim 7, further comprising two drain pipes (76), wherein the two drain pipes (76) are respectively communicated with the first cavity and the second cavity; alternatively, the first and second electrodes may be,

the oil-water separation device comprises a plurality of first pipelines (73) arranged at intervals along the horizontal direction; the oil-water separation device comprises a plurality of second pipelines (74) arranged at intervals along the horizontal direction.

9. The oil-water separator according to any one of claims 1-3, further comprising a waste gas purifier (80) disposed in the treatment tank (30), wherein the waste gas purifier (80) comprises a purifying body, and a first inlet pipe (81), a second inlet pipe (82) and an outlet pipe (83) which are connected with the purifying body, the first inlet pipe (81) is communicated with the first cavity, the second inlet pipe (82) is communicated with the second cavity, and the outlet pipe (83) extends out of the treatment tank (30).

10. The oil-water separator according to any one of claims 1 to 3, further comprising:

a support frame (90), the separation box (10) and the treatment box (30) being arranged on the support frame (90);

the water collecting tank (91) is arranged on the supporting frame (90), and the water collecting tank (91) is communicated with the first cavity through the water outlet (11);

the oil collecting tank (92) is arranged on the supporting frame (90), and the oil collecting tank (92) is communicated with the second cavity through the discharge hole (32); alternatively, the first and second electrodes may be,

the oil-water separation device further comprises an oil guide pipe (93) arranged on the side wall of the separation box (10) in a penetrating mode, the oil guide pipe (93) is arranged obliquely relative to the separation box (10), one end of the oil guide pipe (93) is located in the separation box (10) and forms the oil outlet (12), the other end of the oil guide pipe (93) is located in the treatment box (30) and forms the oil inlet (31), and the oil outlet (12) is located above the oil inlet (31).

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