Fiber flow light efficiency integrated oil-gas-water physical separation system

Abstract

This utility model relates to the technical field of oil-gas-water separation equipment, specifically a fiber-flow integrated oil-gas-water physical separation system. It includes a separator body, with a liquid guide pipe fixedly connected to the top of one end of the separator body. A pre-weir plate is fixedly installed in the middle of the separator body, forming a sedimentation zone between the separator body and the pre-weir plate. A fiber bed is provided in the middle of the sedimentation zone, comprising a hydrophilic fiber layer, an oleophilic fiber layer, and an oleophobic fiber layer. This utility model achieves efficient oil removal through a three-stage separation mechanism. A reversing baffle in the liquid guide pipe first separates the gas and liquid, followed by a gas-liquid separation process using an umbrella-plate separator and a defoaming screen. The subsequent gradient fiber bed precisely captures oil droplets of different sizes. The hydrophilic layer guides and controls water flow, the oleophilic layer aggregates small oil droplets, and the oleophobic layer intercepts and prevents loss, thus handling tiny emulsified oil droplets. The corrugated baffle and oil-gathering plate in the separation zone further purify the oil, ultimately ensuring that the oil content of the effluent is stably controlled at a low level.

Description

Technical Field

[0001] This utility model relates to the technical field of oil-gas-water separation equipment, specifically a fiber-flow lightweight integrated oil-gas-water physical separation system. Background Technology

[0002] The mixture produced by oil and gas wells is not a single component, but a complex system in which oil, gas, and water coexist. This mixed state originates from the geological characteristics of oil and gas reservoirs. In the underground oil layer, crude oil, associated natural gas, and formation water coexist naturally and are transported to the surface together through the wellbore during extraction. If not separated, the mixed fluid will directly lead to accelerated wear and tear on subsequent equipment, soaring energy consumption during transportation, and will also interfere with the precise control of the refining process. It may even cause safety hazards such as pipeline corrosion and scaling. Therefore, separation is an indispensable preliminary step in oil production.

[0003] Traditional separation systems often rely on a single separation technology, such as gravity settling tanks or a single hydrocyclone, lacking a complete closed loop of multi-stage separation. This results in low separation accuracy and process discontinuity, making them unsuitable for complex mixtures. Furthermore, to achieve multi-stage separation, traditional systems require the construction of multiple independent devices such as gas-liquid separators, settling tanks, oil-water separators, and oil storage tanks. These systems are structurally dispersed, occupy a large area, and have poor adaptability, thus presenting certain shortcomings. Utility Model Content

[0004] The purpose of this invention is to provide a lightweight integrated oil-gas-water physical separation system to solve the problems mentioned in the background art. To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A fiber-flow integrated oil-gas-water physical separation system includes a separator body. A liquid guide pipe is fixedly connected to the upper part of one end of the separator body. A pre-weir plate is fixedly installed in the middle of the separator body. A sedimentation zone is formed between the separator body and the pre-weir plate. A fiber bed is provided in the middle of the sedimentation zone. The fiber bed includes a hydrophilic fiber layer, an oleophilic fiber layer, and an oleophobic fiber layer. The lower end of the liquid guide pipe is installed through the lower end of the middle of the fiber bed. A parallel horizontal plate is fixedly installed on one side of the middle of the pre-weir plate. A rear weir plate is fixedly installed at one end of the parallel horizontal plate. A separation zone is formed in the middle of the pre-weir plate and the rear weir plate. Multiple corrugated baffles are uniformly fixedly installed in the middle of the separation zone. Mounting plates are fixedly installed at both ends of one side of the separation zone. Multiple oil-collecting plates are uniformly fixedly installed in the middle of the mounting plates.

[0005] In some embodiments, a base is fixedly installed at the lower end of the separator body, a three-phase liquid inlet pipe is fixedly connected to one side of the middle of the two liquid guide pipes, and a reversing baffle is fixedly installed in the middle of the liquid guide pipe, the reversing baffle being located at the connection between the three-phase liquid inlet pipe and the liquid guide pipe.

[0006] In some embodiments, an umbrella-shaped separator is fixedly installed at the upper end of the middle part of the liquid guide tube, a foam-breaking screen is fixedly installed at the upper end of the umbrella-shaped separator, and an exhaust pipe is fixedly connected to the top of the liquid guide tube.

[0007] In some embodiments, a plurality of oblique collision plates are fixedly installed below the middle part of the liquid guide tube. The plurality of oblique collision plates are arranged sequentially on both sides of the inner wall of the middle part of the liquid guide tube. A perforated rectifier plate is fixedly installed at the lower end of the liquid guide tube. A gap is left between the lower end of the liquid guide tube and the bottom of the separator body.

[0008] In some embodiments, a drain pipe is fixedly connected to one side of the middle part of the separator body, and the drain pipe is connected to the sedimentation zone.

[0009] In some embodiments, a drain pipe is fixedly connected to the other side of the middle part of the separator body, and the drain pipe is connected to the separation zone.

[0010] In some embodiments, the hydrophilic fiber layer, oleophilic fiber layer, and oleophobic fiber layer are arranged from bottom to top, and the liquid guiding tube passes through the oleophobic fiber layer, oleophilic fiber layer, and hydrophilic fiber layer sequentially from top to bottom.

[0011] In some embodiments, one end of the separator body is connected to and fixed with an oil drain pipe, which is connected to an oil storage area.

[0012] This utility model has at least the following beneficial effects: 1. In use, this utility model has high separation accuracy and stable efficiency. The equipment achieves efficient oil removal through a three-stage separation mechanism. The reversing baffle in the liquid guide tube first collidees and separates the gas, and the umbrella plate separator and the defoaming screen complete the precise separation of gas and liquid. It can also use the inclined collision plate to make oil and water merge into large droplets. The subsequent gradient fiber bed accurately captures oil droplets of different particle sizes. The hydrophilic layer guides and controls water, the oleophilic layer merges small oil droplets, and the oleophobic layer intercepts and prevents loss, which can handle tiny emulsified oil droplets. The corrugated baffle and oil-gathering plate in the separation zone further purify the oil, and finally the oil content of the effluent can be stably controlled at a low level.

[0013] 2. This utility model features a compact structure and wide adaptability to various scenarios. The equipment integrates functions such as gas-liquid pre-separation, sedimentation, oil-water fine separation, and oil phase storage into a single separator body, eliminating the need for multiple independent separation units. Compared to traditional separation systems, it significantly reduces the floor space required. With a base, it can be fixedly installed in onshore oilfield wellheads, refinery areas, and other fixed locations, as well as adaptable to space-constrained operating environments such as offshore platforms and cluster wells, demonstrating high practicality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the first appearance structure of the present utility model; Figure 2This is a schematic diagram of the second appearance structure of the present utility model; Figure 3 This is a schematic diagram of the first cross-sectional disassembly of the present invention; Figure 4 This is a schematic diagram of the disassembled structure in the second cross section of this utility model; Figure 5 This is a schematic diagram showing the positional relationship between the separation zone, the corrugated baffle, and the oil-absorbing plate of this utility model; Figure 6 This utility model Figure 3 A magnified structural diagram of region A in the middle.

[0015] In the diagram: 1. Separator body; 11. Base; 12. Liquid guide pipe; 13. Three-phase liquid inlet pipe; 14. Exhaust pipe; 15. Reversing baffle; 16. Umbrella plate separator; 17. Defoaming screen; 18. Angled collision plate; 19. Porous rectifier plate; 20. Pre-weir plate; 21. Sedimentation zone; 22. Drain pipe; 23. Fiber bed; 24. Hydrophilic fiber layer; 25. Oleophilic fiber layer; 26. Oleophobic fiber layer; 27. Parallel horizontal plate; 28. Post-weir plate; 29. ​​Separation zone; 30. Oil storage zone; 31. Drain pipe; 32. Oil drain pipe; 33. Corrugated baffle plate; 34. Mounting plate; 35. Oil-collecting plate. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1: Please refer to Figure 1 - Figure 6This utility model provides a technical solution: a fiber-flow lightweight integrated oil-gas-water physical separation system, including a separator body 1, a liquid guide pipe 12 fixedly connected to the upper part of one end of the separator body 1, a front weir plate 20 fixedly installed in the middle of the separator body 1, a sedimentation zone 21 formed between the separator body 1 and the front weir plate 20, a fiber bed 23 provided in the middle of the sedimentation zone 21, the fiber bed 23 including a hydrophilic fiber layer 24, an oleophilic fiber layer 25 and an oleophobic fiber layer 26, the lower end of the liquid guide pipe 12 penetrating and installed in the lower end of the middle of the fiber bed 23, and a parallel horizontal plate 27 fixedly installed on one side of the middle of the front weir plate 20, one side of the parallel horizontal plate 27... A rear weir plate 28 is fixedly installed at one end. A separation zone 29 is formed in the middle of the front weir plate 20 and the rear weir plate 28. Multiple corrugated baffles 33 are evenly fixedly installed in the middle of the separation zone 29. Mounting plates 34 are fixedly installed at both ends on one side of the separation zone 29. Multiple oil-collecting plates 35 are evenly fixedly installed in the middle of the mounting plates 34. Hydrophilic fiber layer 24, oleophilic fiber layer 25 and oleophobic fiber layer 26 are arranged from bottom to top. The liquid guide pipe 12 passes through the oleophobic fiber layer 26, oleophilic fiber layer 25 and hydrophilic fiber layer 24 from top to bottom. An oil drain pipe 32 is fixedly connected to one end of the separator body 1. The oil drain pipe 32 is connected to the oil storage area 30.

[0018] In this embodiment, the internal structure of the liquid guide tube 12 can separate gas and liquid. The separated oil-water mixture is introduced into the sedimentation zone 21 through the liquid guide tube 12. The oil-water mixture is then separated by the fiber bed 23. The hydrophilic fiber layer 24 is located at the bottom and can preferentially guide the aqueous phase to pass through quickly, reducing the retention of the aqueous phase in the fiber bed 23. The middle oleophilic fiber layer 25 can accurately adsorb tiny oil droplets and form large oil droplets through collision and coalescence. The upper oleophobic fiber layer 26 can intercept large oil droplets entrained by the aqueous phase, preventing the oil droplets from being lost with the water. The three layers work together to separate the oil... The droplet separation accuracy is significantly improved. This design allows the oil-water mixture to flow vertically upwards from below the fiber bed 23, rather than horizontally. On the one hand, vertical flow utilizes buoyancy to make it easier for large, coalesced oil droplets to float upwards away from the fiber surface, reducing oil film accumulation on the fibers. On the other hand, it avoids short-circuiting caused by uneven flow velocity during horizontal flow, ensuring that each fiber can fully contact the mixture, further shortening the separation cycle. The sedimentation zone 21 formed by the pre-weir plate 20 and the separator body 1 can initially settle the mixture and intercept its... The process removes large suspended particles such as silt and colloids from the fiber bed 23, reducing clogging and extending fiber lifespan. It also reduces the load on subsequent fiber separation, improving overall processing efficiency. As the liquid level rises, the oil-water mixture, consisting mostly of oil and a small amount of water, overflows through the pre-weir plate 20 into the separation zone 29. The parallel horizontal plate 27 connects the pre-weir plate 20 and the post-weir plate 28, stabilizing the fluid flow rate in the separation zone 29 and preventing oil-water stratification due to flow rate fluctuations. The corrugated baffle 33 within the separation zone 29 can be modified... The variable flow direction utilizes inertial force to further separate incompletely aggregated small oil droplets; multiple oil-gathering plates 35 can adsorb and disperse oil droplets through surface tension, guiding the oil droplets to gather in the direction of the oil discharge pipe 32; the oil discharge pipe 32 is directly connected to the oil storage area 30, and the separated oil droplets will enter the oil storage area 30 for temporary storage after overflowing and passing the weir plate 28, and then be quickly discharged through the oil discharge pipe 32. This structure integrates the sedimentation area 21, fiber bed 23, separation area 29 and oil storage area 30 into the same separator body 1, eliminating the need to build multiple additional separation units and significantly reducing the floor space required.

[0019] Example 2: Figure 1 - Figure 6As shown, a base 11 is fixedly installed at the lower end of the separator body 1. A three-phase liquid inlet pipe 13 is fixedly connected to one side of the middle of the two liquid guide pipes 12. A reversing baffle 15 is fixedly installed in the middle of the liquid guide pipe 12. The reversing baffle 15 is located at the connection between the three-phase liquid inlet pipe 13 and the liquid guide pipe 12. An umbrella plate separator 16 is fixedly installed at the upper end of the middle of the liquid guide pipe 12. A defoaming screen 17 is fixedly installed at the upper end of the umbrella plate separator 16. An exhaust pipe 14 is fixedly connected to the top of the liquid guide pipe 12. Multiple inclined collision plates 18 are fixedly installed at the lower part of the middle of the liquid guide pipe 12. The multiple inclined collision plates 18 are arranged sequentially on both sides of the inner wall of the middle of the liquid guide pipe 12. A perforated rectifier plate 19 is fixedly installed at the lower end of the liquid guide pipe 12. A gap is left between the lower end of the liquid guide pipe 12 and the bottom of the separator body 1.

[0020] In this embodiment, the base 11 provides stable support for the separator body 1, ensuring that the equipment will not shift or tilt due to gravity, fluid impact, or other factors during operation, thus guaranteeing the stability and safety of the equipment. It also facilitates the installation and fixing of the equipment. The three-phase liquid inlet pipe 13 guides the concentrated introduction of the oil-gas-water mixture, allowing the mixture to enter the guide pipe 12 evenly. The reversing baffle 15 is located at the connection between the three-phase liquid inlet pipe 13 and the guide pipe 12, allowing it to directly collide with the three-phase liquid entering the guide pipe 12. This collision changes the flow direction and separates most of the gas; the less dense gas rises, while the denser oil-water mixture flows downwards. When the gas rises and passes through the umbrella plate separator 16, the liquid droplets in the gas are blocked by the umbrella plate and condense into large water droplets at the bottom, achieving coarse gas-liquid separation. The coarsely separated gas continues to rise and passes through the defoaming screen 17, which breaks the foam carried in the gas and releases the liquid from the foam. The gas is released to achieve fine separation of gas and liquid, further improving the purity of the gas. The finely separated gas is discharged through the exhaust pipe 14. Multiple inclined collision plates 18 are arranged sequentially on both sides of the inner wall of the middle part of the liquid guide pipe 12. When the oil-gas-water mixture flows through, the oil droplets and water droplets in the mixture will collide with the inclined collision plates 18 repeatedly. This collision can cause the oil droplets and water droplets to coalesce and form larger oil droplets and water droplets. At the same time, it can further separate the residual gas. The porous rectifier plate 19 can make the flow rate of the oil-gas-water mixture after passing through the inclined collision plate 18 more uniform, avoiding turbulence or uneven flow rate in the liquid guide pipe 12. This helps to improve the stability and separation effect of the entire separation process. At the same time, the gap between the lower end of the liquid guide pipe 12 and the bottom of the separator body 1 allows the oil-gas-water mixture after passing through the porous rectifier plate 19 to enter the separator body 1 smoothly, which is conducive to the normal operation of the sedimentation zone 21 and the separation zone 29 in the separator body 1.

[0021] Example 3: As Figure 1 - Figure 6As shown, a drain pipe 22 is fixedly connected to one side of the middle part of the separator body 1. The drain pipe 22 is connected to the sedimentation zone 21. A drain pipe 31 is fixedly connected to the other side of the middle part of the separator body 1. The drain pipe 31 is connected to the separation zone 29.

[0022] In this embodiment, the sewage pipe 22 is directly connected to the sedimentation zone 21, which can directionally discharge the impurities such as mud, colloids, and large suspended particles that are initially separated in the sedimentation zone 21, avoiding the accumulation of impurities in the sedimentation zone 21 and causing space occupation, ensuring that the sedimentation zone 21 always maintains a sufficient effective separation volume and maintains a stable pre-separation effect; the drainage pipe 31 is connected to the separation zone 29, which can directionally discharge the low oil-content water after fine separation by the fiber bed 23 and secondary separation by the corrugated baffle 33 and the oil-absorbing plate 35, providing a convenient channel for subsequent water to meet the standards for discharge or formation reinjection, avoiding secondary mixing of treated water with unseparated mixed liquid, and ensuring that the effluent water quality is stable and meets environmental protection standards.

[0023] Working principle: like Figure 1 - Figure 6 As shown, during operation, the three-phase mixture of oil, gas, and water is centrally introduced into the guide pipe 12 through the three-phase liquid inlet pipe 13. At this time, the mixture contains suspended solids such as crude oil, associated gas, formation water, and silt. After entering the guide pipe 12, the mixture first collides with the reversing baffle 15 inside the pipe. During the collision, the less dense gas will detach from the mixture first due to its lower inertial force, achieving preliminary gas-liquid separation. The unseparated oil-water mixture continues to flow downwards due to its higher density. The initially separated gas flows upwards and first passes through the umbrella plate separator 16. The tiny droplets in the gas are blocked by the umbrella plate, condense into larger droplets, and fall back into the oil-water mixture, completing the coarse gas-liquid separation. Subsequently, the gas passes through the foam-breaking screen 17, which breaks up the foam carried in the gas and releases the residual liquid, achieving fine gas-liquid separation. Finally, the pure gas is discharged from the system through the exhaust pipe 14. The downward-flowing oil-water mixture passes through the inclined collision plates 18 on both sides of the inner wall of the liquid guide pipe 12. Oil droplets and water droplets collide repeatedly with the collision plates, coalescing to form larger droplets, while further separating residual trace gases. Finally, the mixture passes through the porous rectifier plate 19, where the flow rate is adjusted to a uniform laminar flow to avoid turbulence interfering with subsequent separation. Then, it smoothly enters the sedimentation zone 21 through the gap between the lower end of the liquid guide pipe 12 and the bottom of the separator body 1.

[0024] After the oil-water mixture enters the sedimentation zone 21, which is enclosed by the separator body 1 and the pre-weir plate 20, the flow rate slows down. Large suspended particles such as mud and colloids in the mixture settle to the bottom of the sedimentation zone 21 due to gravity and are periodically and directionally discharged through the drain pipe 22 to prevent impurities from clogging the subsequent fiber bed 23. The oil-water mixture with suspended solids removed further naturally stratifies in the sedimentation zone 21. The denser water phase sinks to the lower layer, and the less dense oil phase floats to the upper layer, forming a preliminary stratification state with water at the bottom and oil at the top, reducing the processing load for the subsequent separation in the fiber bed 23. The oil-water mixture that has been initially stratified in the sedimentation zone 21 flows vertically from bottom to top through the fiber bed 23 located in the middle of the sedimentation zone 21. The fiber bed 23 is arranged in a gradient from hydrophilic to oleophilic to oleophobic, and from bottom to top, it consists of a hydrophilic fiber layer 24, an oleophilic fiber layer 25, and an oleophobic fiber layer 26. The hydrophilic fiber layer 24 preferentially guides the lower aqueous phase to pass through quickly, reducing the retention of the aqueous phase in the fiber bed 23, while intercepting the tiny suspended matter remaining in the water; the oleophilic fiber layer 25 can accurately adsorb tiny oil droplets in the mixture, and the oil droplets migrate and collide along the fiber surface to the intersection point, agglomerating into large oil droplets with a larger diameter, which have the ability to float independently; the oleophobic fiber layer 26 can intercept the large oil droplets carried by the aqueous phase, preventing the oil droplets from being lost with the water, and ensuring that all oil droplets float upward away from the fiber bed 23. At this time, the oil-water separation accuracy is greatly improved, and the oil content of the aqueous phase can be reduced to a low level.

[0025] As the liquid level in sedimentation zone 21 rises, the oil phase containing a small amount of water and trace amounts of unseparated small oil droplets, separated by fiber bed 23, overflow through the pre-weir plate 20 into separation zone 29, which is enclosed by the pre-weir plate 20, the post-weir plate 28, and the parallel horizontal plate 27. The parallel horizontal plate 27 stabilizes the flow velocity in separation zone 29, preventing flow velocity fluctuations from disrupting oil-water stratification. The oil phase flows through the corrugated baffle plate 33 in the middle of separation zone 29, where the fluid direction is repeatedly changed. Incompletely aggregated small oil droplets collide with the baffle plate due to inertial force, further agglomerating into larger oil droplets, achieving secondary separation. The oil-gathering plates 35 on the mounting plates 34 on both sides of separation zone 29 adsorb and disperse oil droplets through surface tension, guiding the droplets to gather towards the oil storage zone 30. Finally, the oil phase overflows through the post-weir plate 28 and enters the oil storage zone 30 for temporary storage. The crude oil in the oil storage zone 30 is quickly discharged from the system through the drain pipe 32 and enters the subsequent refining and processing stage. After secondary purification, the low-oil-content water in separation zone 29 is directionally discharged through drain pipe 31 and can be directly connected to subsequent treatment systems such as deep filtration and sterilization. Once it meets standards, it can be discharged or reinjected into the formation. Throughout the process, the separated pure associated gas is continuously discharged through exhaust pipe 14 at the top of the liquid guide pipe 12 and can be used as fuel or chemical feedstock. Through this full-process physical separation, the system can achieve efficient and thorough separation of the three phases of oil, gas, and water, while maintaining equipment compactness and operational stability, making it suitable for various application scenarios such as onshore oil fields and offshore platforms.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A lightweight integrated oil-gas-water physical separation system, comprising a separator body (1), wherein a liquid guide pipe (12) is fixedly connected to the upper part of one end of the separator body (1), characterized in that: A pre-weir plate (20) is fixedly installed in the middle of the separator body (1). A sedimentation zone (21) is formed between the separator body (1) and the pre-weir plate (20). A fiber bed (23) is provided in the middle of the sedimentation zone (21). The fiber bed (23) includes a hydrophilic fiber layer (24), an oleophilic fiber layer (25), and an oleophobic fiber layer (26). The lower end of the liquid guide pipe (12) is installed through the lower end of the middle of the fiber bed (23). The pre-weir plate (20) is located in the middle of the middle of the fiber bed (23). A parallel horizontal plate (27) is fixedly installed on one side of the plate. A rear weir plate (28) is fixedly installed at one end of the parallel horizontal plate (27). A separation zone (29) is formed in the middle of the front weir plate (20) and the rear weir plate (28). A plurality of corrugated folding plates (33) are evenly fixedly installed in the middle of the separation zone (29). An installation plate (34) is fixedly installed at both ends of one side of the separation zone (29). A plurality of oil-collecting plates (35) are evenly fixedly installed in the middle of the installation plate (34).

2. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 1, characterized in that: A base (11) is fixedly installed at the lower end of the separator body (1). A three-phase liquid inlet pipe (13) is fixedly connected to one side of the middle of the two liquid guide pipes (12). A reversing baffle (15) is fixedly installed in the middle of the liquid guide pipe (12). The reversing baffle (15) is located at the connection between the three-phase liquid inlet pipe (13) and the liquid guide pipe (12).

3. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 2, characterized in that: An umbrella-shaped separator (16) is fixedly installed at the upper end of the middle part of the liquid guide tube (12), and a foam-breaking screen (17) is fixedly installed at the upper end of the umbrella-shaped separator (16). An exhaust pipe (14) is fixedly connected to the top of the liquid guide tube (12).

4. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 2, characterized in that: Multiple oblique collision plates (18) are fixedly installed below the middle part of the liquid guide tube (12). The multiple oblique collision plates (18) are arranged sequentially on both sides of the inner wall of the middle part of the liquid guide tube (12). A perforated rectifier plate (19) is fixedly installed at the lower end of the liquid guide tube (12). A gap is left between the lower end of the liquid guide tube (12) and the bottom of the separator body (1).

5. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 1, characterized in that: A drain pipe (22) is fixedly connected to one side of the middle part of the separator body (1), and the drain pipe (22) is connected to the sedimentation zone (21).

6. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 1, characterized in that: A drain pipe (31) is fixedly connected to the other side of the middle part of the separator body (1), and the drain pipe (31) is connected to the separation zone (29).

7. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 1, characterized in that: The hydrophilic fiber layer (24), oleophilic fiber layer (25) and oleophobic fiber layer (26) are arranged from bottom to top, and the liquid guide tube (12) passes through the oleophobic fiber layer (26), oleophilic fiber layer (25) and hydrophilic fiber layer (24) from top to bottom.

8. The fiber-optic lightweight integrated oil-gas-water physical separation system according to claim 1, characterized in that: One end of the separator body (1) is connected to a drain pipe (32), which is connected to the oil storage area (30).

Images