A waste oil purification device for oil leakage in ship pipelines

Abstract

This invention relates to the field of sludge and oil purification technology, specifically to a sludge and oil purification device for ship pipelines, comprising: a sludge and oil tank for storing sludge and oil discharged from the ship's pipelines; a coarse filter assembly for coarsely filtering impurities in the sludge and oil to reduce impurities; a heating chamber for heating the sludge and oil to remove moisture; a separation assembly for separating the remaining impurities in the sludge and oil to obtain relatively pure oil; and a clean oil tank for storing the purified oil. This invention modifies the coarse filter frame in the filter, making its upper and lower ends larger than its middle end, forming a cavity between the middle of the coarse filter frame and the filter body. As impurities in the coarse filter frame gradually increase over time, sludge and oil can still enter the cavity from the upper part of the coarse filter frame, eliminating the need for frequent replacement of the coarse filter frame.

Description

Technical Field

[0001] This invention relates to the field of waste oil purification devices, specifically a waste oil purification device for oil in ship pipelines. Background Technology

[0002] During ship construction, some oil system pipelines may contain impurities such as welding slag, rust, and dust. Currently, most shipyards use oil flushing to clean these pipelines, removing these impurities and preventing them from entering equipment and damaging precision components such as bearings and gears. However, because the used lubricating oil is contaminated by these impurities, most shipowners do not recommend or agree to leaving it in the system for continued use as system working oil, requiring the addition of new system oil, which increases ship construction costs. Based on the above-described problems, a small-scale lubricating oil recovery, storage, and treatment system should be built in the shipyard during the current ship construction process. This system would purify the used lubricating oil, making it reusable as system working oil or as a medium for continued system flushing, significantly reducing the construction costs of similar ships.

[0003] Chinese patent CN214436902U discloses a low dynamic viscosity waste oil purification and recovery device, including a purification liquid collector, a sealing gasket, a mesh support plate, a filter cloth, a storage tank, a storage tank cover, a thermometer, a pressure gauge, a safety valve, an air inlet valve, and a level gauge. The purification liquid collector is located at the bottom of the storage tank and communicates with it, and the bottom of the purification liquid collector has an outlet. A sealing gasket, a mesh support plate, a filter cloth, and another sealing gasket are arranged sequentially from bottom to top between the purification liquid collector and the storage tank. The storage tank cover seals the top surface of the storage tank. The thermometer, pressure gauge, safety valve, air inlet valve, and level gauge are respectively connected to the storage tank. The air inlet valve is used to connect to a gas supply device. In this patent, the waste oil passes through the mesh support plate, allowing the waste oil to pass through while impurities are retained on the mesh support plate.

[0004] In this prior art, the sludge passes through the mesh support plate, while impurities remain on the mesh support plate. As the filtration time increases, the sludge gradually clogs the holes on the support plate, resulting in low filtration efficiency and requiring frequent replacement of the filter plate. Some filters add scrapers inside or use a tapping method to remove impurities clogging the filter holes, but this method requires more structure and is more complex. Summary of the Invention

[0005] The purpose of this invention is to provide a waste oil purification device for marine pipeline oil contamination. By modifying the coarse filter frame in the filter, the upper and lower ends of the coarse filter frame are larger than its middle end, and a cavity is formed between the middle of the coarse filter frame and the filter body. When the impurities in the coarse filter frame gradually increase over time, the waste oil can still enter the cavity from the upper part of the coarse filter frame, without the need for frequent replacement of the coarse filter frame.

[0006] To address the problems of existing technologies, this invention provides a waste oil purification device for ship pipelines, comprising a waste oil tank for storing waste oil discharged from the ship's pipelines; a coarse filter assembly for coarsely filtering impurities in the waste oil to reduce impurities; a heating chamber for heating the waste oil to remove water; a separation assembly for separating remaining impurities in the waste oil to obtain relatively pure oil; and a clean oil tank for storing the purified oil. The coarse filter assembly includes a filter body, inside which a support platform is fixed. The coarse filter assembly includes a coarse filter frame for coarsely filtering impurities in the waste oil. The coarse filter frame is placed on the support platform, and the dimensions of the top and bottom ends of the coarse filter frame are larger than the dimensions of the middle part of the coarse filter frame. The middle part of the coarse filter frame is recessed inward to form a cavity with the inner wall of the filter body.

[0007] Preferably, the top and bottom cross-sections of the coarse filter frame are quadrilateral, and the bottom of the coarse filter frame is fitted onto the outside of the support platform, with the coarse filter frame and the filter body together forming a cavity. As impurities gradually accumulate in the coarse filter frame, sludge can still enter the cavity through the upper part of the coarse filter frame.

[0008] Preferably, the top of the coarse filter frame is also provided with a handle for easy removal of the coarse filter frame, and the coarse filter frame is also provided with a number of filter holes for filtration, and the handle can be used to easily remove the coarse filter frame.

[0009] Preferably, a first oil pump for pumping the sludge oil in the coarse filter component into the heating box is provided between the coarse filter component and the heating box, and a second oil pump for pumping the sludge oil in the heating box into the separation component is provided between the heating box and the separation component.

[0010] Preferably, quick-connect components are also provided between the sludge tank and the coarse filter assembly, between the coarse filter assembly and the first oil pump, between the first oil pump and the heating box, and between the heating box and the second oil pump.

[0011] Preferably, the quick-connect assembly includes a male connecting tube and a female connecting tube. The male connecting tube can be inserted into the female connecting tube. The outer surface of the male connecting tube is also provided with a groove. Several locking beads are movably arranged on the female connecting tube near the male connecting tube. The locking beads are evenly distributed around the circumference of the female connecting tube. When the male connecting tube is inserted into the female connecting tube, the locking beads can be locked in the groove. In addition, a sealing ring to prevent oil leakage is provided at the connection between the male connecting tube and the female connecting tube in the female connecting tube.

[0012] Preferably, a spring is fitted around the outside of the female connecting tube near the male connecting tube, and a limiting slide is fitted around the outside of the female connecting tube that can slide on the female connecting tube. One end of the spring is connected to the limiting slide, and the other end of the spring is connected to the female connecting tube. When the limiting slide moves to the locking bead, the limiting slide can cover the locking bead and insert the locking bead into the locking slot. When the limiting slide separates from the locking bead, the spring is compressed.

[0013] Preferably, the heating chamber is further equipped with a heater for heating the sludge oil, and a temperature sensor for detecting the temperature of the oil inside. The heater can heat the sludge oil in the heating chamber, so that the water in the sludge oil can evaporate.

[0014] Preferably, the oil outlet of the separation component is connected to an oil drain valve for draining oil into the clean oil tank.

[0015] Preferably, the oil outlet of the separation component is connected to the oil separator via a pipeline, and the oil separator is also equipped with an oil discharge pipe for discharging oil into the clean oil tank and a slag discharge port for discharging residue into the residue collection tank.

[0016] The advantages of this invention compared to the prior art are:

[0017] 1. This application includes a filter body, inside which a support platform is further provided. A coarse filter frame is mounted on the support platform. The coarse filter frame is designed with its top and bottom dimensions larger than its middle dimension, forming an inwardly recessed structure. This structure, together with the filter body, constitutes a cavity. As impurities gradually accumulate in the coarse filter frame, sludge can still enter the cavity through the upper part of the coarse filter frame and continue to flow into the heating chamber. This design reduces the need for frequent replacement of the coarse filter frame, thereby reducing the replacement frequency of the coarse filter frame.

[0018] 2. This application also employs quick-connect components to replace the traditional flange connection method, enabling rapid connection and assembly between modules. In use, simply insert the male connector into the female connector. At this point, a spring drives the limiting slide to move, causing it to cover and press the retaining bead, firmly fixing it in the slot, thus completing the connection. This quick-connect component design allows for rapid installation of modules without the need for additional installation tools. Attached Figure Description

[0019] Figure 1 This is a first three-dimensional structural schematic diagram of a waste oil purification device for ship pipeline oil connection according to the present invention.

[0020] Figure 2 This is a second three-dimensional structural schematic diagram of a waste oil purification device for ship pipeline oil connection according to the present invention.

[0021] Figure 3 This is a schematic diagram of the third three-dimensional structure of a waste oil purification device for ship pipeline oil connection according to the present invention.

[0022] Figure 4 This is a top view schematic diagram of a waste oil purification device for ship pipeline oil connection according to the present invention.

[0023] Figure 5 This is a schematic cross-sectional view of the coarse filter component of a waste oil purification device for marine pipeline oil connection according to the present invention.

[0024] Figure 6 This is a first exploded structural diagram of a waste oil purification device for marine pipeline oil connection according to the present invention.

[0025] Figure 7 This invention relates to a waste oil purification device for marine pipeline oil spills. Figure 6 Enlarged structural diagram at point A in the middle.

[0026] Figure 8 This is a schematic cross-sectional view of the separation component of a waste oil purification device for marine pipeline oil flow according to the present invention.

[0027] Figure 9 This is a second exploded structural schematic diagram of a waste oil purification device for marine pipeline oil connection according to the present invention.

[0028] Figure 10 This is an exploded structural diagram of the centrifugal separator of a marine pipeline oil purification device according to the present invention.

[0029] Figure 11 This is a three-dimensional structural diagram of the separation frame of a waste oil purification device for marine pipeline oil connection according to the present invention.

[0030] The following components are labeled in the diagram: 1. Sludge tank; 2. Coarse filter assembly; 21. Filter body; 211. Support platform; 212. Coarse filter frame; 3. First oil pump; 4. Heating box; 41. Heater; 5. Second oil pump; 6. Separation assembly; 61. Centrifugal separator; 611. Rotary drive component; 612. Rotary disk; 613. Magnetic block; 6131. ​​Limiting groove; 614. Separation frame; 615. Insertion hole; 6151. Limiting block; 62. Separator body; 63. Separation chamber; 64. Guide ball; 65. Return oil pipe; 66. Inlet oil pipe; 67. Buckle; 7. Clean oil tank; 8. Quick-connect assembly; 81. Connecting male pipe; 811. Slot; 82. Connecting female pipe; 821. Clamping ball; 822. Spring; 823. Limiting slide. Detailed Implementation

[0031] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0032] Reference Figures 1-11 As shown, the present invention provides a sludge oil purification device for ship pipeline oil discharge, including a sludge oil tank 1 for storing sludge oil discharged from the ship's pipeline; a coarse filter assembly 2 for coarsely filtering impurities in the sludge oil to reduce impurities; a heating box 4 for heating the sludge oil to remove water; a separation assembly 6 for separating the remaining impurities in the sludge oil to obtain relatively pure oil; and a clean oil tank 7 for storing the purified oil. The coarse filter assembly 2 includes a filter body 21, and a support platform 211 is fixed inside the filter body 21. The coarse filter assembly 2 includes a coarse filter frame 212 for coarsely filtering impurities in the sludge oil. The coarse filter frame 212 is placed on the support platform 211, and the dimensions of the top and bottom ends of the coarse filter frame 212 are larger than the dimensions of the middle end of the coarse filter frame 212. The middle part of the coarse filter frame 212 is recessed inward to form a cavity with the inner wall of the filter body 21.

[0033] The sludge is first collected in the sludge tank 1, and then enters the coarse filter assembly 2. In the coarse filter assembly 2, the sludge undergoes preliminary filtration through the coarse filter frame 212, removing larger impurities. Afterward, the sludge enters the heating chamber 4 for heating treatment to remove moisture. The heated sludge then enters the separation assembly 6, where remaining impurities are further separated, ultimately yielding relatively pure oil, which is then stored in the clean oil tank 7.

[0034] refer to Figure 5As shown, the top and bottom cross-sections of the coarse filter frame 212 are quadrilateral, and the bottom of the coarse filter frame 212 is fitted onto the outside of the support platform 211. This fitting method ensures the stability and positioning accuracy of the coarse filter frame 212 inside the filter body 21. The bottom of the coarse filter frame 212 is designed with a quadrilateral cross-section. This design not only provides a stable support surface but also facilitates cooperation and positioning with the support platform 211. The top of the coarse filter frame 212 is also provided with a handle for easy removal. The handle not only makes it easy for operators to remove the coarse filter frame 212 from the filter body 21 for cleaning or replacement, but the coarse filter frame 212 is also provided with several filter holes for filtration. During the sludge and oil purification process, the sludge and oil first enter the coarse filter assembly 2. Due to the special design of the coarse filter frame 212, larger impurities in the sludge and oil are effectively trapped inside the coarse filter frame 212 when passing through the filter holes. As the sludge and oil continue to flow in, impurities gradually accumulate inside the coarse filter frame 212. When a certain amount of buildup is reached, the operator can remove the coarse filter frame 212 from the filter body 21 using the handle for cleaning or replacement. This ensures the continuous and effective operation of the coarse filter assembly 2.

[0035] The coarse filter frame 212 is designed with its top and bottom dimensions larger than its middle dimension, forming a concave structure that, together with the filter body 21, constitutes a cavity. As impurities gradually accumulate in the coarse filter frame 212, sludge can still enter this cavity through the upper part of the frame and continue flowing into the heating chamber 4. This design reduces the need for frequent replacement of the coarse filter frame 212, thereby lowering its replacement frequency.

[0036] refer to Figures 1-4 As shown, a first oil pump 3 is installed between the coarse filter assembly 2 and the heating chamber 4 to draw the sludge from the coarse filter assembly 2 into the heating chamber 4. The main function of the first oil pump 3 is to extract the sludge from the coarse filter assembly 2 and pump it into the heating chamber 4 for heating treatment. The introduction of the first oil pump 3 ensures that the sludge can flow smoothly from the coarse filter assembly 2 to the heating chamber 4, making the sludge flow smooth. A second oil pump 5 is also installed between the heating chamber 4 and the separation assembly 6 to draw the sludge from the heating chamber 4 into the separation assembly 6. The function of the second oil pump 5 is to extract the heated sludge from the heating chamber 4 and pump it into the separation assembly 6 for further impurity separation. The second oil pump 5 also ensures that the sludge can flow smoothly from the heating chamber 4 to the separation assembly 6, providing a stable oil flow for subsequent purification treatment.

[0037] Production Figures 6-7As shown, quick-connect components 8 are also connected between the sludge tank 1 and the coarse filter assembly 2, between the coarse filter assembly 2 and the first oil pump 3, between the first oil pump 3 and the heating box 4, and between the heating box 4 and the second oil pump 5. The quick-connect component 8 includes a male connecting pipe 81 and a female connecting pipe 82. The male connecting pipe 81 can be inserted into the female connecting pipe 82 to form a tight connection. The outer surface of the male connecting pipe 81 is provided with a groove 811. Several retaining beads 821 are arranged on the female connecting pipe 82 near the male connecting pipe 81, evenly distributed around the circumference of the female connecting pipe. When the male connecting pipe 81 is inserted into the female connecting pipe 82, the retaining beads 821 can be engaged in the groove 811. Furthermore, a sealing ring to prevent oil leakage is provided at the connection point between the male connecting pipe 81 and the female connecting pipe 82 in the female connecting pipe 82. This design ensures that oil will not leak from the connection point.

[0038] refer to Figures 6-7 As shown, the quick-connect assembly 8's design makes connecting and disassembling components extremely simple and quick, greatly improving equipment maintenance efficiency and flexibility. Through the tight fit of the slot 811 and the retaining ball 821, along with the sealing ring, the quick-connect assembly 8 effectively prevents oil leakage, ensuring the normal operation and safety of the equipment. When it is necessary to clean or replace components such as the coarse filter assembly 2 or the oil pump, operators can quickly disconnect the quick-connect assembly 8, remove the components for cleaning or replacement, and then reconnect the quick-connect assembly 8. The introduction of the quick-connect assembly 8 makes equipment maintenance simpler and faster, thereby reducing maintenance costs and time.

[0039] A spring 822 is fitted around the outside of the female connecting pipe 82 near the male connecting pipe 81. A limiting slide 823, which can slide on the female connecting pipe 82, is also fitted around the outside of the female connecting pipe 82. One end of the spring 822 is connected to the limiting slide 823, and the other end is connected to the female connecting pipe 82. When the limiting slide 823 moves to the retaining bead 821, it covers the retaining bead 821, allowing the retaining bead 821 to insert into the retaining groove 811. When the limiting slide 823 separates from the retaining bead 821, the spring 822 is compressed. To disconnect the connection, the limiting slide 823 is manually moved to separate it from the retaining bead 821. At this time, the spring 822 is compressed, and the cross section of the slot 811 is trapezoidal. When the connecting male tube 81 and the connecting female tube 82 are separated, the locking bead 821 can roll along the inclined surface of the slot 811, and the locking bead 821 is thus separated from the slot 811.

[0040] Simply insert the male connector 81 into the female connector 82. At this time, the spring 822 drives the limiting slide 823 to move, so that the limiting slide 823 covers and presses the retaining bead 821, firmly fixing it in the retaining groove 811, thus completing the connection. The design of this quick-connect assembly 8 allows for rapid installation of each module without the need for additional installation tools.

[0041] refer to Figures 8-11 As shown, the heating chamber 4 is also equipped with a heater 41 for heating the sludge. The heater 41 is the core component of the heating chamber 4, and its main function is to heat the sludge entering the heating chamber 4. The purpose of heating is to increase the temperature of the sludge, thereby evaporating the water or making it easier to separate, thus improving purification efficiency. To accelerate water evaporation, a stirring component can be added to the heating chamber 4 to continuously agitate the sludge, thereby improving heat transfer efficiency. The heater 41 is typically electrically heated. When the sludge enters the heating chamber 4, the heater 41 starts working, heating the sludge to a predetermined temperature. The heating temperature is usually determined based on the type of sludge, its water content, and the requirements of subsequent processing techniques. The heating chamber 4 is also equipped with a temperature sensor to detect the internal oil temperature. The temperature sensor monitors the oil temperature inside the heating chamber 4 in real time, ensuring that the oil temperature remains within the set range. This is crucial for ensuring heating effectiveness and preventing equipment damage caused by overheating. Temperature sensors are typically installed inside the heating chamber 4 and can accurately detect changes in oil temperature. When the oil temperature rises or falls, the temperature sensor transmits a signal to the control panel (not shown in the figure, which is prior art). The control panel adjusts the power of the heater 41 according to the preset temperature range to maintain a stable oil temperature.

[0042] Example 1: The oil outlet of the separation component 6 is connected to an oil drain valve for draining oil into the clean oil tank 7.

[0043] Example 2: The oil outlet of the separation component 6 is connected to the oil separator through a pipeline, and the oil separator is also equipped with an oil discharge pipe for discharging oil into the clean oil tank 7 and a slag discharge port for discharging residue into the residue collection tank.

[0044] The separation assembly 6 includes a separator body 62, which is divided into an upper chamber and a lower oil chamber. The top of the separation assembly 6 is also provided with a separation chamber 63. In use, the second oil pump 5 draws the sludge oil in the heating box 4 into the lower oil chamber in the separator body 62.

[0045] A return oil pipe 65 is connected to the bottom of the separation chamber 63. The bottom end of the return oil pipe 65 extends into the upper cavity of the separator body 62, returning the separated oil to the upper cavity so that the oil can enter the next process. A centrifugal separator 61 is also provided in the separation chamber 63. The centrifugal separator 61 includes a rotary drive 611 disposed in the separation chamber 63. The rotary drive 611 can be a motor or other rotatable mechanism. The output end of the rotary drive 611 is connected to a rotating disk 612, providing power to the rotating disk 612 and driving it to rotate. The rotary drive 611 is typically connected to an external power source. The centrifuge 61 also includes a separation frame 614 mounted on a rotating disk 612. The rotating disk 612 causes the separation frame 614 to rotate, thereby further separating the sludge and impurities. The bottom of the separation frame 614 is also evenly provided with several insertion holes 615, each containing several limiting blocks 6151. The rotating disk 612 is also provided with magnetic blocks 613 that cooperate with the insertion holes 615. Each magnetic block 613 has a limiting groove 6131 that cooperates with the limiting blocks 6151. The magnetic block 613 is used to connect with the separation frame 614. The limiting groove 6131 on the magnetic block 613 cooperates with the limiting blocks 6151 on the separation frame 614 to ensure the stability of the separation frame 614 during rotation. The magnetic block 613 can be inserted into the socket 615, facilitating the quick installation and removal of the separation frame 614 and making it easy to clean impurities from the separation frame 614. Several guide balls 64 are rotatably mounted on the top of the inner wall of the separation chamber 63 to limit the separation frame 614, ensuring its stability and accuracy during rotation. A latch 67 is also provided on the top of the separation chamber 63, engaging with the upper oil pipe 66. The oil outlet of the upper oil pipe 66 is located on the separation frame 614. When the lower oil chamber in the separator body 62 is full, dirty oil flows from the upper oil pipe 66 into the separation frame 614. Subsequently, the rotation drive 611 rotates the rotating disk 612, which in turn rotates the separation frame 614, causing the dirty oil to be thrown out of the separation frame 614 while impurities remain inside.

[0046] After being heated, the sludge enters the lower chamber of the separator body 62 via the second oil pump 5. The centrifugal separator 61 then begins operation. The rotary drive 611 drives the rotating disk 612 to rotate, which in turn drives the separation frame 614 to rotate. Under centrifugal force, the sludge is thrown out of the separation frame 614 and flows into the upper chamber through the return oil pipe 65. Subsequently, the oil flows into the clean oil tank 7 for storage, or it enters the oil separator for separation. The guide ball 64 limits and guides the separation frame 614, ensuring its stability and accuracy during rotation.

[0047] Centrifugal separation technology can efficiently separate impurities and pure oil from sludge. The magnetic connection between the separation frame 614 and the rotating disk 612, as well as the limiting function of the guide ball 64, ensure the stability of the separation component 6 during high-speed rotation. When there are too many impurities inside the separation frame 614, the separation frame 614 can be removed to clean the impurities.

[0048] Working Principle: During use, simply insert the male connector 81 into the female connector 82. The spring 822 then moves the limiting slide 823, which covers the retaining bead 821, pressing it into the slot 811, thus completing the connection. This allows for quick installation of each module without additional tools. Waste oil is poured into the waste oil tank 1. The first oil pump 3 then extracts the waste oil from the tank and directs it into the coarse filter frame 212 in the coarse filter assembly 2. Because the top and bottom of the coarse filter frame 212 are larger than its middle section, the middle section of the frame is recessed inwards, forming a cavity in the filter body 21. Even as impurities in the coarse filter frame 212 gradually increase over time, waste oil can still enter the cavity from the top of the frame and flow into the heating chamber 4, reducing the frequency of replacement. The sludge then enters the heating tank 4 to evaporate the water. Subsequently, the sludge enters the separation assembly 6 from the second oil pump 5, flowing into the lower chamber. When the lower chamber is full, the sludge falls from the upper oil pipe 66 into the separation frame 614. Then, by activating the rotary drive 611, the rotary disk 612 rotates the separation frame 614, causing the sludge to be thrown out by centrifugal force, leaving impurities in the separation frame 614. The purified oil then falls into the upper chamber of the separation assembly 6. The processed oil then enters an oil separator to separate oils of different components or is directly stored in the clean oil tank 7. When there are too many impurities in the separation frame 614, it can be removed for cleaning.

[0049] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. A waste oil purification device for marine pipeline oil contamination, characterized in that: include Oil sludge tank (1) is used to store oil sludge discharged from the ship's pipelines; The coarse filter assembly (2) is used to coarsely filter impurities in the sludge to reduce the impurities in the sludge; Heating box (4) is used to heat the sludge to remove moisture from the sludge; The separation component (6) is used to separate the remaining impurities in the sludge oil to obtain a relatively pure oil; Oil purification cabinet (7) is used to store purified oil; The coarse filter assembly (2) includes a filter body (21), and a support platform (211) is fixed inside the filter body (21). The coarse filter assembly (2) includes a coarse filter frame (212) for coarsely filtering impurities in sludge and oil. The coarse filter frame (212) is placed on the support platform (211), and the dimensions of the top and bottom of the coarse filter frame (212) are larger than the dimensions of the middle of the coarse filter frame (212). The middle part of the coarse filter frame (212) is recessed inward to form a cavity with the inner wall of the filter body (21). The coarse filter assembly (2) and A first oil pump (3) is also provided between the heating box (4) and the separation component (6) for pumping the sludge oil in the coarse filter assembly (2) into the heating box (4). A second oil pump (5) is also provided between the heating box (4) and the separation component (6) for pumping the sludge oil in the heating box (4) into the separation component (6). The separation component (6) includes a separator body (62), which is divided into an upper chamber and a lower oil chamber. A separation chamber (63) is also provided at the top of the separation component (6). A return oil pipe (65) is connected to the bottom of the separation chamber (63). The bottom end of the tube (65) extends into the upper cavity of the separator body (62). A centrifugal separator (61) is also provided in the separation cavity (63). The centrifugal separator (61) includes a rotary drive (611) provided in the separation cavity (63). The output end of the rotary drive (611) is connected to a rotating disk (612). The centrifugal separator (61) also includes a separation frame (614) provided on the rotating disk (612). A number of insertion holes (615) are evenly provided at the bottom of the separation frame (614). A number of limiting holes are provided in the insertion holes (615). The rotating disk (612) is also provided with a magnetic block (613) that cooperates with the socket (615). The magnetic block (613) is also provided with a limiting groove (6131) that cooperates with the limiting block (6151). The top of the inner wall of the separation chamber (63) is also provided with several guide balls (64) for limiting the separation frame (614). The top of the separation chamber (63) is also provided with a buckle (67). The buckle (67) is engaged with the upper oil pipe (66). The oil outlet end of the upper oil pipe (66) is located on the separation frame (614).

2. The sludge purification device for marine pipeline oil contamination according to claim 1, characterized in that: The top and bottom sections of the coarse filter frame (212) are set as quadrilaterals, and the bottom of the coarse filter frame (212) is fitted on the outside of the support platform (211).

3. The sludge purification device for marine pipeline oil contamination according to claim 2, characterized in that: The top of the coarse filter frame (212) is also provided with a handle for easy removal of the coarse filter frame (212), and the coarse filter frame (212) is also provided with a number of filter holes for filtration.

4. The sludge purification device for marine pipeline oil contamination according to claim 1, characterized in that: Quick-connect components (8) are also connected between the sludge tank (1) and the coarse filter assembly (2), between the coarse filter assembly (2) and the first oil pump (3), between the first oil pump (3) and the heating box (4), and between the heating box (4) and the second oil pump (5).

5. The sludge purification device for marine pipeline oil contamination according to claim 4, characterized in that: The quick-connect assembly (8) includes a male connecting pipe (81) and a female connecting pipe (82). The male connecting pipe (81) can be inserted into the female connecting pipe (82). The outer surface of the male connecting pipe (81) is also provided with a slot (811). Several locking beads (821) are movably arranged on the female connecting pipe (82) near the male connecting pipe (81). The multiple locking beads (821) are evenly distributed around the female connecting pipe (82). When the male connecting pipe (81) is inserted into the female connecting pipe (82), the locking beads (821) can be locked in the slot (811). In addition, a sealing ring to prevent oil leakage is provided at the connection between the male connecting pipe (81) and the female connecting pipe (82) in the female connecting pipe (82).

6. The sludge purification device for marine pipeline oil contamination according to claim 5, characterized in that: A spring (822) is also fitted on the outside of the connecting female tube (82) near the connecting male tube (81), and a limiting slide (823) that can slide on the connecting female tube (82) is also fitted on the outside of the connecting female tube (82). One end of the spring (822) is connected to the limiting slide (823), and the other end of the spring (822) is connected to the connecting female tube (82). When the limiting slide (823) moves to the locking bead (821), the limiting slide (823) can cover the locking bead (821) so that the locking bead (821) is inserted into the locking slot (811). When the limiting slide (823) separates from the locking bead (821), the spring (822) is compressed.

7. The sludge purification device for marine pipeline oil contamination according to claim 1, characterized in that: The heating box (4) is also equipped with a heater (41) for heating the sludge oil, and a temperature sensor for detecting the temperature of the oil inside the heating box (4).

8. The sludge purification device for marine pipeline oil contamination according to claim 1, characterized in that: The oil outlet of the separation component (6) is connected to an oil drain valve for draining oil into the clean oil tank (7).

9. The sludge purification device for marine pipeline oil contamination according to claim 1, characterized in that: The oil outlet of the separation component (6) is connected to the oil separator through a pipeline, and the oil separator is also equipped with an oil discharge pipe for discharging oil into the clean oil tank (7) and a slag discharge port for discharging residue into the residue collection tank.

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