Continuous water-oil separation device

Abstract

The invention relates to the technical field of environmental protection equipment, and particularly discloses a continuous water-oil separation device which comprises a gravity separation tank and a pretreatment mechanism, a separation mechanism is mounted in the middle of the bottom end of the gravity separation tank, and a collection mechanism is jointly mounted between the lower part of the outer wall of the gravity separation tank and the middle of the bottom end of the separation mechanism; the separation mechanism comprises a centrifugal separation tank, an oil conveying pipe, an oil collecting hopper, a limiting ring, an adjusting tooth block and a hydrophilic oleophobic film; the oil conveying pipe is mounted at the top end of the centrifugal separation tank through a bearing; according to the oil-water separation device, oil-containing wastewater is subjected to gravity separation through the gravity separation tank, oil and water are subjected to centrifugal separation through the rotary centrifugal separation tank, and efficient oil-water separation can be achieved through the hydrophilic oleophobic film, so that the oil-water separation effect is further improved, and water and oil can be continuously and efficiently separated by adopting the separation device; the oil-water separation efficiency during treatment of a large amount of water-oil mixture is improved, and the requirements of modern industry on continuous, efficient and rapid oil-water separation can be met.

Description

Technical Field

[0001] The invention belongs to the technical field of environmental protection equipment, and in particular relates to a continuous water-oil separation device. Background Art

[0002] With the acceleration of industrialization and urbanization, the discharge of oily wastewater has increased dramatically, causing serious pollution to the environment. In order to protect water resources and the ecological environment, governments have successively introduced a series of strict environmental protection regulations and put forward clear emission standards for the oil content in wastewater. The wastewater generated by the catering, petroleum, chemical and other industries contains a large amount of oil. Direct discharge will seriously pollute the water body and even affect human health. Therefore, these industries urgently need efficient water-oil separation devices to treat wastewater and ensure that the discharge meets the standards.

[0003] In a Chinese patent with publication number CN216155540U, a water-oil separation device based on waste oil refining is mentioned. The waste oil is introduced into the liquid storage tank body for precipitation by opening the oil filling cap. Since the mass of the waste oil is less than that of water, the waste oil in the precipitation process floats upward in the oil film layer. When the cylinder pushes the oil suction pump downward, the oil suction pipe is inserted into the oil film layer, which is convenient for extracting the waste oil after precipitation. The extracted waste oil passes through the curved pipe oil suction pipe in turn, and then is introduced into the oil outlet end of the oil suction pump to complete the oil-water separation effect. However, the water-oil separation device adopts a single gravity sedimentation method for oil-water separation, resulting in poor oil-water separation effect, and the separation efficiency is low when processing a large amount of water-oil mixture, which is difficult to meet the needs of modern industry for continuous, efficient and rapid oil-water separation. Summary of the invention

[0004] The object of the present invention is to provide a continuous water-oil separation device which can improve the oil-water separation efficiency and solve the problems of poor separation effect and low processing efficiency of a single gravity sedimentation method.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A continuous water-oil separation device, comprising:

[0007] Gravity separation tank and pre-treatment mechanism;

[0008] A separation mechanism is installed in the middle of the bottom end of the gravity separation tank, and a collection mechanism is installed between the lower part of the outer wall of the gravity separation tank and the middle of the bottom end of the separation mechanism;

[0009] The separation mechanism includes a centrifugal separation tank, an oil delivery pipe, an oil collecting hopper, a limiting ring, an adjusting tooth block, and a hydrophilic and oleophobic membrane. The oil delivery pipe is installed at the top end of the centrifugal separation tank through a bearing, and the outer surface of the oil delivery pipe is installed at the bottom end of the gravity separation tank. The oil collecting hopper is installed at the top end of the oil delivery pipe. There are two limiting rings, and the two limiting rings are respectively installed on the upper and lower parts of the outer surface of the centrifugal separation tank. There are multiple adjusting tooth blocks, and the multiple adjusting tooth blocks are all installed in the middle part of the outer surface of the centrifugal separation tank. The hydrophilic and oleophobic membrane is installed on the top inner wall of the centrifugal separation tank.

[0010] Preferably, a shunt pipe is installed on the upper part of the outer surface of the gravity separation tank. The other end of the shunt pipe is installed with a water pump, and the water pump is installed inside the pretreatment mechanism. A support frame is commonly installed between the peripheries of the bottom end of the gravity separation tank. A liquid level sensor is installed on one side of the top end of the gravity separation tank.

[0011] Preferably, the upper part of the outer surface of the shunt pipe is of an annular structure. Limiting grooves are respectively opened on the upper and lower inner walls of the support frame. One side of the bottom end of the cross beam of the support frame is installed with a driver. The output end of the driver is installed with a driving gear, and the bottom end of the driving gear is installed on the top side of the cross beam of the support frame through a bearing.

[0012] Preferably, the driving gear meshes with multiple adjusting tooth blocks. The lower part of the outer surface of the oil delivery pipe is of a Y-shaped structure. Both the oil collecting hopper and the hydrophilic and oleophobic membrane are of a conical structure. The limiting ring is slidably connected with the corresponding limiting groove.

[0013] Preferably, one end of the collection mechanism is installed with a collection box. Two observation windows are opened on the outer wall of the collection box. A partition board is commonly installed between the two inner walls on both sides of the collection box. One middle part and one lower part of one end of the collection box are both installed with discharge pipes.

[0014] Preferably, the collection mechanism includes a collection pipe, an oil extraction pipe, a water extraction pipe, and an extraction pump. The collection pipe is installed at the bottom end of the centrifugal separation tank through a bearing. The oil extraction pipe is installed on one side of the bottom end of the collection pipe, and the top end of the oil extraction pipe is installed at the bottom end of the hydrophilic and oleophobic membrane through a bearing. The water extraction pipe is installed at the top end of the collection pipe. There are two extraction pumps, and the two extraction pumps are respectively installed at the other ends of the oil extraction pipe and the water extraction pipe.

[0015] Preferably, the upper part of the outer surface of the oil extraction pipe is located inside the collection pipe. The water extraction pipe is of a T-shaped structure, and valves are arranged on the water extraction pipe, the oil extraction pipe, and the discharge pipe.

[0016] Preferably, the pretreatment mechanism includes a pretreatment tank, mounting grooves, a sealing frame, a filter frame, a heating mechanism, and a water inlet pipe. There are four mounting grooves, which are respectively opened on the inner walls on both sides of the pretreatment tank. There are two sealing frames and two filter frames. The two sealing frames are respectively installed between adjacent two mounting grooves, and the two filter frames are respectively installed between the opposite surfaces of the two sealing frames. The heating mechanism is installed between the inner walls on both sides of the pretreatment tank, and the water inlet pipe is installed at the top of the pretreatment tank.

[0017] Preferably, the heating mechanism includes a stirring shaft, stirring blades, heating pipes, and a stirring motor. The stirring shaft is installed between the inner walls on both sides of the pretreatment tank through bearings. There are multiple stirring blades, and all the stirring blades are installed on the outer surface of the stirring shaft. The heating pipes are installed between the outer surfaces of the multiple stirring blades, and the stirring motor is installed at one end of the stirring shaft.

[0018] Preferably, the stirring blades are arranged in an inclined structure, the heating pipes are arranged in a spiral structure, and the heating pipes do not contact the filter frame.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] (1) In the present invention, a separation mechanism is provided at the bottom of the gravity separation tank. The gravity separation tank is used for gravity separation of oily wastewater, the rotary centrifugal separation tank is used for centrifugal separation of oil and water, and the hydrophilic oleophobic membrane can achieve efficient separation of oil and water, thereby further improving the oil-water separation effect. The separation device can continuously and efficiently separate water and oil, improving the oil-water separation efficiency when treating a large amount of water-oil mixture, and meeting the requirements of modern industry for continuous, efficient, and rapid oil-water separation.

[0021] (2) In the present invention, a collection mechanism is provided on the outer surface of the gravity separation tank. By starting the pumping pump to generate suction, the separated water and oil can be respectively collected to ensure their complete separation, which is convenient for subsequent treatment or utilization. Moreover, the inflow rate of the oily wastewater, as well as the flow rate and flow of the pumped-out water and oil, can be adjusted to ensure the stability and continuity of the separation process.

[0022] (3) In the present invention, a pretreatment mechanism is provided at the other end of the shunt pipe. The filter frame in the pretreatment tank is used for preliminary treatment of the oily wastewater to remove suspended solids in the oily wastewater. By driving the stirring blades and heating pipes to rotate with the stirring motor, the oily wastewater can be stirred and evenly heated to prevent the grease from solidifying, thereby facilitating the separation of high-viscosity and high-oil-content sewage and improving the subsequent oil-water separation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional view of the present invention;

[0024] Figure 2 This is a cross-sectional view of the gravity separation tank of the present invention;

[0025] Figure 3 This is a perspective view of the separation mechanism of the present invention;

[0026] Figure 4 This is a cross-sectional view of the centrifugal separation tank of the present invention;

[0027] Figure 5 For the present invention Figure 1 An enlarged view of A in;

[0028] Figure 6 This is a perspective view of the collection mechanism of the present invention;

[0029] Figure 7 This is a cross-sectional view of the pretreatment mechanism of the present invention;

[0030] Figure 8 This is a perspective view of the heating mechanism of the present invention;

[0031] In the figure: 1. Gravity separation tank; 2. Separation mechanism; 3. Collection mechanism; 4. Shunt pipe; 5. Pretreatment mechanism; 6. Water pump; 7. Support frame; 8. Liquid level sensor; 9. Collection box; 10. Observation window; 11. Partition board; 12. Discharge pipe; 13. Limit groove; 14. Driver; 15. Driving gear;

[0032] 21. Centrifugal separation tank; 22. Oil delivery pipe; 23. Oil collecting hopper; 24. Limit ring; 25. Adjusting tooth block; 26. Hydrophilic and oleophobic membrane;

[0033] 31. Collection pipe; 32. Oil extraction pipe; 33. Water extraction pipe; 34. Material extraction pump;

[0034] 51. Pretreatment box; 52. Installation groove; 53. Sealing frame; 54. Filter frame; 55. Heating mechanism; 56. Water inlet pipe;

[0035] 551. Stirring shaft; 552. Stirring blade; 553. Heating pipe; 554. Stirring motor. Specific embodiments

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment 1:

[0038] Please refer to Figures 1 to 8As shown, a continuous water-oil separation device includes:

[0039] A gravity separation tank 1 and a pretreatment mechanism 5;

[0040] A separation mechanism 2 is installed in the middle of the bottom end of the gravity separation tank 1, and a collection mechanism 3 is jointly installed between the lower part of the outer wall of the gravity separation tank 1 and the middle of the bottom end of the separation mechanism 2;

[0041] The separation mechanism 2 includes a centrifugal separation tank 21, an oil pipeline 22, an oil collecting hopper 23, a limiting ring 24, an adjusting tooth block 25 and a hydrophilic and oleophobic membrane 26. The oil pipeline 22 is installed at the top end of the centrifugal separation tank 21 through a bearing, and the outer surface of the oil pipeline 22 is installed at the bottom end of the gravity separation tank 1. The oil collecting hopper 23 is installed at the top end of the oil pipeline 22. There are two limiting rings 24, and the two limiting rings 24 are respectively installed at the upper and lower parts of the outer surface of the centrifugal separation tank 21. There are multiple adjusting tooth blocks 25, and the multiple adjusting tooth blocks 25 are all installed in the middle of the outer surface of the centrifugal separation tank 21. The hydrophilic and oleophobic membrane 26 is installed on the top inner wall of the centrifugal separation tank 21.

[0042] It can be seen from Figures 1 to 5 that a shunt pipe 4 is installed on the upper part of the outer surface of the gravity separation tank 1. The other end of the shunt pipe 4 is installed with a water pump 6, and the water pump 6 is installed inside the pretreatment mechanism 5. A support frame 7 is jointly installed between the peripheries of the bottom end of the gravity separation tank 1. A liquid level sensor 8 is installed on one side of the top end of the gravity separation tank 1;

[0043] The upper part of the outer surface of the shunt pipe 4 is set as an annular structure. Limiting grooves 13 are opened on both the upper and lower inner walls of the support frame 7. One side of the bottom end of the cross-frame body of the support frame 7 is installed with a driver 14. The output end of the driver 14 is installed with a driving gear 15, and the bottom end of the driving gear 15 is installed on the top side of the cross-frame body of the support frame 7 through a bearing.

[0044] As described above, after the oily wastewater is pretreated by the pretreatment mechanism 5, the controller controls the water pump 6 and the driver 14 to start. The water pump 6 pumps out the oily wastewater with impurities filtered out in the pretreatment mechanism 5, and then evenly inputs it into the gravity separation tank 1 through the shunt pipe 4. The oil floats to the top of the gravity separation tank 1 due to its density being less than that of water. Then, the oil at the top enters the oil collecting hopper 23. The liquid level sensor 8 can monitor the liquid level in the gravity separation tank 1 in real time and adjust the inflow rate of the oily wastewater according to the monitoring information to ensure continuous oil-water separation of the oily wastewater. The oil entering the oil collecting hopper 23 will contain some water, and this oil containing some water will be transported to the inside of the hydrophilic oleophobic membrane 26 through the oil pipeline 22. At this time, the driver 14 drives the driving gear 15 to rotate. Through the meshing transmission between the driving gear 15 and multiple adjusting tooth blocks 25, and in cooperation with the sliding limit between the limiting ring 24 and the limiting groove 13, the centrifugal separation tank 21 stably drives the hydrophilic oleophobic membrane 26 inside it to rotate. Through rotation, the oil and water are centrifugally separated again, and the hydrophilic oleophobic membrane 26 can achieve efficient separation of oil and water, thereby further improving the oil-water separation effect. Using this separation device can continuously and efficiently separate water and oil, improve the oil-water separation efficiency when treating a large amount of water-oil mixture, and is also applicable to the treatment of various oily wastewaters, so that this separation device can meet the requirements of modern industry for continuous, efficient, and rapid oil-water separation.

[0045] Specifically, referring to Figures 1 to 5 As shown, the driving gear 15 meshes with multiple adjusting tooth blocks 25. The lower part of the outer surface of the oil pipeline 22 is set as a Y-shaped structure. Both the oil collecting hopper 23 and the hydrophilic oleophobic membrane 26 are set as conical structures. The limiting ring 24 is slidably connected to the corresponding limiting groove 13.

[0046] As described above, the centrifugal separation tank 21 can be driven to rotate through meshing to generate centrifugal force, realizing centrifugal separation of the oily wastewater. The Y-shaped oil pipeline 22 can divert the collected oil to the inside of the hydrophilic oleophobic membrane 26. The conical structure helps in the collection, diversion, and separation of the oil liquid, improving the efficiency of oil liquid treatment, and can play a role in limiting and guiding, maintaining the stability of the centrifugal separation tank 21 during rotation.

[0047] Embodiment 2:

[0048] Referring to Figure 1 and Figure 6 As shown, a collection box 9 is installed at one end of the collection mechanism 3. Two observation windows 10 are opened on the outer wall of the collection box 9. A partition plate 11 is commonly installed between the inner walls on both sides of the collection box 9. An exhaust pipe 12 is installed in the middle and at the lower part of one end of the collection box 9;

[0049] The collection mechanism 3 includes a collection pipe 31, an oil extraction pipe 32, a water extraction pipe 33, and a material extraction pump 34. The collection pipe 31 is installed at the bottom end of the centrifugal separation tank 21 through a bearing. The oil extraction pipe 32 is installed on one side of the bottom end of the collection pipe 31, and the top end of the oil extraction pipe 32 is installed at the bottom end of the hydrophilic oleophobic membrane 26 through a bearing. The water extraction pipe 33 is installed at the top end of the collection pipe 31. There are two material extraction pumps 34, and the two material extraction pumps 34 are respectively installed at the other ends of the oil extraction pipe 32 and the water extraction pipe 33.

[0050] As can be seen from the above, after the oil-water separation is completed, the two material extraction pumps 34 can be started to generate suction, so that the collection pipe 31 extracts the separated water in the centrifugal separation tank 21. At the same time, the water extraction pipe 33 also extracts the separated water in the gravity separation tank 1, and then the collected water is input and stored in the upper part of the collection tank 9. At the same time, the oil extraction pipe 32 generates suction to extract the separated oil in the centrifugal separation tank 21 and inputs the collected oil into the lower part of the collection tank 9 for storage. In this way, the separated water and oil can be collected respectively to ensure their complete separation, which is convenient for subsequent treatment or utilization. In addition, by controlling the water pump 6 and the valves on the shunt pipe 4 through the controller, the flow rate and flow of the oily wastewater entering the gravity separation tank 1 can be adjusted. The controller can also control the valves on the material extraction pump 34, the oil extraction pipe 32, and the water extraction pipe 33 to adjust the flow rate and flow when pumping out water and oil, ensuring the stability and continuity of the separation process.

[0051] Preferably, as shown in Figure 1 and Figure 6 , the upper part of the outer surface of the oil extraction pipe 32 is located inside the collection pipe 31. The water extraction pipe 33 is set as a T-shaped structure, and valves are provided on the water extraction pipe 33, the oil extraction pipe 32, and the discharge pipe 12.

[0052] As can be seen from the above, it is ensured that the oil extraction pipe 32 can extract oil when the collection pipe 31 pumps water, and it does not affect the rotation of the centrifugal separation tank 21, so that the water extraction pipe 33 can extract the separated water in the gravity separation tank 1 and the centrifugal separation tank 21 respectively. The valves are used to control the opening and closing and flow of the pipeline, realizing the precise control and adjustment of the oil and water.

[0053] Embodiment 3:

[0054] As shown in Figure 7 and Figure 8 , the pretreatment mechanism 5 includes a pretreatment tank 51, installation grooves 52, a sealing frame 53, a filter frame 54, a heating mechanism 55, and a water inlet pipe 56. There are four installation grooves 52, and the four installation grooves 52 are respectively opened on the inner walls of both sides of the pretreatment tank 51. There are two sealing frames 53 and two filter frames 54. The two sealing frames 53 are respectively installed between two adjacent installation grooves 52, and the two filter frames 54 are respectively installed between the opposite surfaces of the two sealing frames 53. The heating mechanism 55 is installed between the inner walls on both sides of the pretreatment tank 51, and the water inlet pipe 56 is installed at the top end of the pretreatment tank 51;

[0055] The heating mechanism 55 includes a stirring shaft 551, stirring blades 552, a heating pipe 553, and a stirring motor 554. The stirring shaft 551 is installed between the inner walls on both sides of the pretreatment tank 51 through bearings. A plurality of stirring blades 552 are provided, and the plurality of stirring blades 552 are all installed on the outer surface of the stirring shaft 551. The heating pipe 553 is installed between the outer surfaces of the plurality of stirring blades 552, and the stirring motor 554 is installed at one end of the stirring shaft 551.

[0056] As can be seen from the above, when oil-containing wastewater needs to be separated, the oil-containing wastewater first enters the pretreatment tank 51 through the water inlet pipe 56, first passes through the upper filter frame 54, and then passes through the lower filter frame 54 for filtration to achieve the preliminary treatment of the oil-containing wastewater, and then the suspended matter in the oil-containing wastewater can be removed to avoid the separation device being blocked by the suspended matter. When the oil-containing wastewater enters the pretreatment tank 51, the stirring motor 554 and the heating pipe 553 can be controlled by the controller to start. The stirring motor 554 drives the stirring shaft 551 and the stirring blades 552 to rotate, and the stirring blades 552 stir the oil-containing wastewater. At the same time, the heating pipe 553 heats the wastewater, so that the oil-containing wastewater is heated evenly, thereby preventing the grease from solidifying, facilitating the separation of high-viscosity and high-oil-content sewage, and effectively improving the subsequent oil-water separation efficiency.

[0057] Preferably, as Figure 7 and Figure 8 shown, the stirring blades 552 are arranged in an inclined structure, the heating pipe 553 is arranged in a spiral structure, and the heating pipe 553 does not contact the filter frame 54.

[0058] As can be seen from the above, the inclined structure helps the stirring blades 552 to produce a better stirring effect during rotation, improving the mixing uniformity. The spiral structure increases the surface area of the heating pipe 553, improving the heating efficiency, and the non-contact with the filter frame 54 ensures the independence of the filtration and heating processes.

[0059] Application example:

[0060] This design is applicable to various environments such as industrial wastewater treatment plants, offshore oil production platforms, and catering oil pollution treatment. Industrial wastewater treatment plants often need to treat wastewater containing a large amount of grease from industries such as food processing, petrochemical industry, and machinery manufacturing. The oil-water mixture in these wastewaters is highly mixed and often contains suspended matter, impurities, etc., making the treatment difficult. During offshore oil production, a large amount of oil-containing seawater is generated, and this seawater needs to be treated to recover the grease in it and reduce the impact on the environment. The oil pollution wastewater generated by the catering industry is large in quantity and high in grease content, and direct discharge will cause serious pollution to the environment;

[0061] This design combines the technical principles of gravity sedimentation, centrifugal separation, and membrane separation. The gravity separation tank 1 utilizes the characteristic that the densities of oil and water are different, and through the action of gravity, the oil in the oil-water mixture gradually floats upward to achieve preliminary separation. The separation mechanism 2 uses the centrifugal force generated by high-speed rotation to quickly throw out and separate the oil and water droplets in the oil-water mixture, improving the separation efficiency, and further completely separates the oil and water by utilizing the selective permeability of the hydrophilic and oleophobic membrane 26 to ensure the separation effect. Therefore, it can improve the separation efficiency of the device when treating a large amount of water-oil mixture and meet the requirements of modern industry for continuous, efficient, and rapid oil-water separation. By setting up the collection mechanism 3, the separated water and oil are collected respectively to ensure that the two can be completely separated, facilitating subsequent treatment or utilization. By setting up the pretreatment mechanism 5, the incoming oily wastewater is preliminarily treated, which can remove suspended solids and heat the wastewater. For sewage with high viscosity and high oil content, the subsequent separation efficiency can be improved.

[0062] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous water-oil separation device, characterized in that: include: A gravity separation tank (1) and a pretreatment mechanism (5); A separation mechanism (2) is installed in the middle of the bottom end of the gravity separation tank (1), and a collection mechanism (3) is installed between the lower part of the outer wall of the gravity separation tank (1) and the middle of the bottom end of the separation mechanism (2); The separation mechanism (2) comprises a centrifugal separation tank (21), an oil delivery pipe (22), an oil collecting hopper (23), a limiting ring (24), an adjusting tooth block (25) and a hydrophilic and oleophobic membrane (26); the oil delivery pipe (22) is mounted on the top of the centrifugal separation tank (21) via a bearing, and the outer surface of the oil delivery pipe (22) is mounted on the bottom of the gravity separation tank (1); the oil collecting hopper (23) is mounted on the top of the oil delivery pipe (22); two limiting rings (24) are provided, and the two limiting rings (24) are respectively mounted on the upper and lower parts of the outer surface of the centrifugal separation tank (21); a plurality of adjusting tooth blocks (25) are provided, and the plurality of adjusting tooth blocks (25) are all mounted on the middle part of the outer surface of the centrifugal separation tank (21); and the hydrophilic and oleophobic membrane (26) is mounted on the top inner wall of the centrifugal separation tank (21).

2. A continuous water-oil separation device according to claim 1, characterized in that: A shunt pipe (4) is installed on the upper portion of the outer surface of the gravity separation tank (1), a water pump (6) is installed on the other end of the shunt pipe (4), and the water pump (6) is installed inside the pretreatment mechanism (5), a support frame (7) is installed between the periphery of the bottom end of the gravity separation tank (1), and a liquid level sensor (8) is installed on one side of the top end of the gravity separation tank (1).

3. A continuous water-oil separation device according to claim 2, characterized in that: The upper portion of the outer surface of the shunt pipe (4) is arranged as an annular structure, the upper portion and the lower portion of the inner wall of the support frame (7) are provided with limit grooves (13), a driver (14) is installed on one side of the bottom end of the upper cross frame of the support frame (7), a driving gear (15) is installed on the output end of the driver (14), and the bottom end of the driving gear (15) is installed on one side of the top end of the upper cross frame of the support frame (7) via a bearing.

4. A continuous water-oil separation device according to claim 3, characterized in that: The driving gear (15) is meshed with a plurality of adjusting gear blocks (25), the lower portion of the outer surface of the oil delivery pipe (22) is arranged as a Y-shaped structure, the oil collecting hopper (23) and the hydrophilic and oleophobic membrane (26) are arranged as conical structures, and the limiting ring (24) is slidably connected to the corresponding limiting groove (13).

5. A continuous water-oil separation device according to claim 1, characterized in that: A collection box (9) is installed at one end of the collection mechanism (3), two observation windows (10) are provided on the outer wall of the collection box (9), a partition plate (11) is installed between the inner walls on both sides of the collection box (9), and a discharge pipe (12) is installed at the middle part of one end and the lower part of one end of the collection box (9).

6. A continuous water-oil separation device according to claim 5, characterized in that: The collecting mechanism (3) comprises a collecting pipe (31), an oil extraction pipe (32), a water extraction pipe (33) and a material extraction pump (34); the collecting pipe (31) is mounted on the bottom end of the centrifugal separation tank (21) via a bearing; the oil extraction pipe (32) is mounted on one side of the bottom end of the collecting pipe (31); and the top end of the oil extraction pipe (32) is mounted on the bottom end of the hydrophilic and oleophobic membrane (26) via a bearing; the water extraction pipe (33) is mounted on the top end of the collecting pipe (31); and two material extraction pumps (34) are provided, and the two material extraction pumps (34) are respectively mounted on the other ends of the oil extraction pipe (32) and the water extraction pipe (33).

7. A continuous water-oil separation device according to claim 6, characterized in that: The upper portion of the outer surface of the oil extraction pipe (32) is located inside the collecting pipe (31), the water extraction pipe (33) is arranged in a T-shaped structure, and valves are arranged on the water extraction pipe (33), the oil extraction pipe (32) and the discharge pipe (12).

8. The continuous water-oil separation device according to claim 1, characterized in that: The pretreatment mechanism (5) comprises a pretreatment box (51), a mounting groove (52), a sealing frame (53), a filter frame (54), a heating mechanism (55) and a water inlet pipe (56). The mounting grooves (52) are provided in four rows, and the four mounting grooves (52) are respectively opened on the inner walls of both sides of the pretreatment box (51). The sealing frames (53) and the filter frames (54) are both provided in two rows, and the two sealing frames (53) are respectively installed between two adjacent mounting grooves (52). The two filter frames (54) are respectively installed between the opposite surfaces of the two sealing frames (53). The heating mechanism (55) is installed between the inner walls of both sides of the pretreatment box (51), and the water inlet pipe (56) is installed at the top of the pretreatment box (51).

9. A continuous water-oil separation device according to claim 8, characterized in that: The heating mechanism (55) comprises a stirring shaft (551), stirring blades (552), a heating tube (553) and a stirring motor (554); the stirring shaft (551) is installed between the inner walls of both sides of the pretreatment box (51) via a bearing; the stirring blades (552) are provided with a plurality of blades, and the plurality of stirring blades (552) are all installed on the outer surface of the stirring shaft (551); the heating tube (553) is installed between the outer surfaces of the plurality of stirring blades (552); and the stirring motor (554) is installed at one end of the stirring shaft (551).

10. A continuous water-oil separation device according to claim 9, characterized in that: The stirring blade (552) is configured as an inclined structure, the heating tube (553) is configured as a spiral structure, and the heating tube (553) and the filter frame (54) are not in contact with each other.

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