A filtering and separating device for lubricating oil production

Abstract

The present invention relates to the technical field of filtering and separating equipment, and discloses a filtering and separating device for lubricating oil production, including a base plate, which is used as the basic component of the whole device to assemble and carry various processing mechanisms and their subordinate structural parts; a preliminary filtering mechanism, which is arranged on one side of the middle front part of the top of the base plate, and is used to filter the base oil used in the lubricating oil production process for the first time to remove particulate impurities; and a permeation filtering mechanism, which is arranged on the other side of the middle front part of the top of the base plate. By adding and setting a centrifugal separation mechanism, the base oil after multiple permeation filtration treatments is further centrifuged, which effectively improves the purity of the oil product. During use, the mechanism can not only utilize the centrifugal force field, but also realize the efficient separation of the base oil according to the density difference of pure oil, water and impurity particles and the difference of centrifugal inertia force, and cooperate with high-speed rotation.

Description

Technical Field

[0001] The invention relates to the technical field of filtering and separating equipment, in particular to a filtering and separating device for lubricating oil production. Background Art

[0002] Grease, also known as lubricating oil, is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. It is generally composed of base oil and additives. Lubricating oil is an oily liquid applied to the surface of moving parts such as machine bearings or a certain part of the human body. It has the functions of reducing friction, avoiding heat, preventing machine wear and medical use. It is generally a product of fractionated petroleum, and some are extracted from animal and vegetable oils. According to its source, it is divided into three categories: animal and vegetable oils, petroleum lubricants and synthetic lubricants. The amount of petroleum lubricants accounts for more than 97% of the total amount, so lubricants often refer to petroleum lubricants. It is mainly used to reduce friction between the surfaces of moving parts, and at the same time has the functions of cooling, sealing, corrosion prevention, rust prevention, insulation, power transmission, and cleaning impurities for machinery and equipment.

[0003] The base oil used in the lubricant production process contains a certain amount of water and impurities. Therefore, when the base oil is used, the impurities and water contained therein need to be separated. However, when the existing processing equipment processes it, a single processing method cannot completely separate and remove the water and impurities in the base oil, thereby affecting the subsequent overall lubricant product quality. Therefore, technical personnel in this field have proposed a filtering and separation device for lubricant production to solve the above-mentioned technical problems. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a filtering and separating device for lubricating oil production, which solves the problem that the single processing method of the existing processing equipment cannot separate the water and impurities in the base oil.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a filtering and separating device for lubricating oil production, comprising

[0006] The base plate is the basic component of the whole device and is used to assemble and carry each processing mechanism and its subordinate structural parts;

[0007] A preliminary filtering mechanism, which is arranged on one side of the front middle portion of the top of the base plate, is used to perform a preliminary filtering treatment of particulate impurities on the base oil used in the lubricating oil production process;

[0008] The permeation filter mechanism is arranged at the other side of the front middle portion of the top of the base plate, and is used to filter the base oil liquid after it has been processed by the preliminary filter mechanism for a second time to remove particulate matter and impurities;

[0009] The centrifugal separation mechanism is arranged at the middle and rear part of the top of the base plate, and is used to separate the base oil liquid after being processed by the osmotic filtration mechanism by centrifugal means from the oil liquid, water and impurities;

[0010] The classification and collection mechanism is arranged on both sides of the middle and rear part of the top of the base plate, and is used for classifying and collecting the oil, water and impurities after being processed by the centrifugal separation mechanism.

[0011] Preferably, the preliminary filtering mechanism includes an arc-shaped support seat, a side of the front middle part of the top end of the base plate is fixedly connected to the arc-shaped support seat, the top of the arc-shaped support seat is fixedly connected to a preliminary filter barrel, the top of the preliminary filter barrel is threadedly connected to a sealing cover, a feed pipe is provided in the middle and upper part of one side of the preliminary filter barrel, and one end of the feed pipe is connected to the interior of the preliminary filter barrel, and a one-way valve is provided on the feed pipe.

[0012] Preferably, the preliminary filtering mechanism also includes a filter plate, a filter plate is arranged in the lower middle part of the inner side of the preliminary filter barrel, a plurality of fiber filter layers are equidistantly arranged inside the filter plate, an air pressure movable seat is arranged in the upper middle part of the inner side of the preliminary filter barrel, a negative pressure air pump is arranged in the middle part of the rear side of the preliminary filter barrel, the suction port of the negative pressure air pump is connected with the interior of the preliminary filter barrel through a connecting pipe, and a conical drainage chamber is arranged at the inner bottom of the preliminary filter barrel.

[0013] Preferably, the osmotic filtration mechanism includes a delivery pump, which is fixedly connected to the middle part of the inner bottom end of the arc-shaped support seat, and a support frame is fixedly connected to the middle front part of the top of the base plate, and an outer tube sleeve is provided at the top of the support frame, and a front connecting seat is threadedly connected to one end of the outer tube sleeve, the liquid inlet of the delivery pump is connected to the bottom end of the conical drainage cavity through a connecting pipe, and the liquid outlet of the delivery pump is connected to the middle part of the front connecting seat through a connecting pipe.

[0014] Preferably, the osmotic filtration mechanism also includes a core tube, a core tube is provided in the middle part of the front connecting seat, and the interior of the core tube is connected with the middle part of the front connecting seat, a plurality of groups of liquid outlet holes are arranged in a circumferential array on the outer wall of the core tube, a plurality of layers of reverse osmosis filtration membrane are circularly wrapped on the outer wall of the core tube, a temporary storage box is fixedly connected to one side of the front middle part of the top end of the substrate, a rear connecting seat is provided in the middle and upper part of one side of the temporary storage box, and the interior of the rear connecting seat is connected with the interior of the temporary storage box, a filter cotton plate is provided on the inner side of the rear connecting seat close to the outer pipe sleeve, and the inner wall of the rear connecting seat is threadedly connected to the outer wall of the outer pipe sleeve away from the front connecting seat.

[0015] Preferably, the centrifugal separation mechanism includes a separation barrel, a separation barrel is fixedly connected to the middle and rear part of the top of the base plate, a sealing cover 2 is provided on the top of the separation barrel, a delivery pump 4 is provided in the middle part of the rear side of the temporary storage box, a liquid inlet of the delivery pump 4 is connected to the inner bottom of the temporary storage box through a connecting pipe, and a liquid outlet of the delivery pump 4 is connected to the middle part of the top of the separation barrel through a connecting pipe.

[0016] Preferably, the centrifugal separation mechanism also includes a processing chamber, the separation barrel is provided with a processing chamber inside, a mesh support plate is fixedly connected to the middle and lower part of the inner side of the processing chamber, the middle part of the mesh support plate is rotatably connected to a synchronous shaft, the top of the synchronous shaft is fixedly connected to a central centrifugal cylinder, a plurality of groups of centrifugal separation holes are arranged in a circular array in the middle and upper part of the inner wall of the central centrifugal cylinder, a mesh cylinder is fixedly connected to the middle and lower part of the synchronous shaft, a sponge layer is provided on the annular inner wall of the mesh cylinder, a centrifugal motor is provided in the middle part of the bottom end of the mesh support plate, and the output end of the centrifugal motor passes through the mesh support plate and is connected to the middle part of the bottom end of the synchronous shaft, a sealing cover is provided in the middle part of the bottom end of the mesh support plate, and a bottom cavity is provided at the bottom of the mesh support plate.

[0017] Preferably, the classification and collection mechanism includes a pure oil collection box, which is arranged on one side of the middle and rear part of the top end of the base plate, and a delivery pump three is arranged in the middle part of one side of the pure oil collection box, the liquid inlet of the delivery pump three is connected with the inner bottom end of the central centrifugal cylinder through a connecting pipe, and the liquid outlet of the delivery pump three is connected with the middle and lower part of one side of the pure oil collection box through a connecting pipe.

[0018] Preferably, the classification and collection mechanism also includes a second support frame, which is fixedly connected to one side of the middle and rear part of the top of the base plate, a second delivery pump is arranged on the top of the second support frame, an installation box is fixedly connected to one side of the middle and rear part of the top of the base plate near the edge, a plurality of installation frames are fixedly connected at equal intervals inside the installation box, adsorption filter plates are arranged inside the installation frames, a liquid inlet of the second delivery pump is connected to one side of the bottom end of the bottom cavity through a connecting pipe, a liquid outlet of the second delivery pump is connected to the middle of the top end of the installation box through a connecting pipe, and a drain pipe is arranged at the middle of the bottom end of one side of the installation box.

[0019] Working principle: During the lubricating oil processing and production process, when the base oil required is processed, the preliminary filtering mechanism is started first, and the base oil to be processed enters the primary filter barrel through the feed pipe, so that the base oil entering the primary filter barrel is temporarily stored on the filter plate in the primary filter barrel, and then the negative pressure air pump on the primary filter barrel is started. After the negative pressure air pump is started, it injects air into the primary filter barrel through the connecting pipe to pressurize it. The interior of the primary filter barrel is continuously pressurized by the negative pressure air pump, so that the air pressure on the upper part of the air pressure moving seat in the primary filter barrel continues to increase. At the same time, with the continuous injection and pressurization of the negative pressure air pump, the upper part of the air pressure moving seat continues to rise. The high air pressure pushes the air pressure moving seat in the primary filter barrel to move downward continuously, and at the same time, the one-way valve on the feed pipe prevents the gas from being released through the negative pressure air pump. While the air pressure moving seat moves downward continuously, it also squeezes the base oil liquid on the filter plate, so that the base oil on the filter plate is squeezed by the air pressure moving seat and flows downward through the mesh holes on the filter plate. While flowing downward, the multi-layer fiber filter layer in the filter plate is also used to perform preliminary filtering treatment on the particulate impurities remaining in the base oil. Then, the base oil after the preliminary filtering treatment enters the conical drainage cavity at the bottom of the primary filter barrel for collection, thereby completing the base oil treatment. The impurities in the base oil are initially filtered; then the osmotic filtration mechanism is started, and the base oil after the initial filtration treatment is retained in the conical drainage chamber at the bottom of the primary filter barrel, and then the delivery pump 1 in the arc support seat is started, and the delivery pump 1 pumps the base oil liquid after the initial filtration treatment in the conical drainage chamber through the connecting pipe, and delivers it into the core tube in the outer tube sleeve through the front connecting seat, and the base oil liquid entering the core tube is discharged into the outer tube sleeve through the liquid outlet hole on it, and is osmotic filtered for multiple times through the multiple reverse osmosis filter membranes in the outer tube sleeve, and then as the base oil is continuously injected into the core tube, Then the base oil newly discharged into the reverse osmosis filter membrane also squeezes and pushes the base oil previously entered therein to be discharged, and is filtered again through multiple reverse osmosis filter membranes while being discharged, and then the base oil after being filtered again through the reverse osmosis filter membrane is finally filtered through the filter cotton plate in the rear connecting seat when being discharged, and finally the base oil after being filtered through the filter cotton plate is discharged into the temporary storage box through the rear connecting seat for collection, thereby completing the multiple filtering treatment of the base oil again, thereby filtering and separating the solid particulate impurities remaining in the base oil;Then the centrifugal separation mechanism is started. First, the delivery pump 4 on the temporary storage box is started. The delivery pump 4 pumps the base oil after multiple filtration treatments in the temporary storage box through the connecting pipe and discharges it into the central centrifugal cylinder in the separation barrel. Then the centrifugal motor on the mesh support plate is started. The rotating shaft of the centrifugal motor drives the synchronous shaft on it to rotate while rotating. The synchronous shaft drives the central centrifugal cylinder and the mesh cylinder on it to rotate synchronously while rotating. The synchronous shaft drives the central centrifugal cylinder and the mesh cylinder to rotate at high speed and generates a centrifugal force field in the central centrifugal cylinder. Due to the density difference of various materials in the base oil, the various materials in the base oil are layered according to their centrifugal inertia force. The density of pure oil is the smallest, so the centrifugal inertia force it generates during rotation is also the smallest. Therefore, during the high-speed rotation of the central centrifugal cylinder, the pure oil is gathered at the bottom center of the central centrifugal cylinder for centralized collection. Since the water density in the base oil is in the middle, the centrifugal inertia force it generates during rotation is between the pure oil and the impurity particles. Therefore, during the high-speed rotation of the base oil in the central centrifugal cylinder, the water and impurity particles contained therein are separated into the mesh cylinder through the centrifugal separation holes by the centrifugal inertia force. At the same time, since the centrifugal inertia force of the impurity particles is the largest, the mixed liquid mixed with the impurity particles enters the mesh cylinder and passes through the high-speed rotation of the mesh cylinder, and the water in the mixed liquid passes through the mesh cylinder. The sponge layer is collected, and then the impurity particles in the mixed liquid are thrown out into the processing chamber in the separation barrel through the centrifugal inertia force and the mesh holes on the mesh cylinder for collection. Finally, the water separated from the sponge layer in the mesh cylinder falls into the mesh support plate through the mesh holes at the bottom of the mesh cylinder, and then mixes with the impurity particles separated in the processing chamber to form a mixed liquid again, which is discharged into the bottom chamber in the separation barrel through the mesh holes on the mesh support plate, thereby completing the separation and collection of pure oil, water and impurity particles in the base oil; then the classification and collection mechanism is started, first the delivery pump three on the pure oil collection box is started, and the delivery pump three pumps the pure oil separated from the bottom of the central centrifugal cylinder through the connecting pipe, and then delivers it to the pure oil collection box through the connecting pipe. The mixed liquid in the bottom chamber is stored therein, thereby completing the classified collection and processing of the pure oil. At the same time, the delivery pump 2 on the support frame 2 is started, and the delivery pump 2 pumps the mixed liquid in the bottom chamber through the connecting pipe, and delivers it to the installation box through the connecting pipe. Then, the mixed liquid entering the installation box is filtered layer by layer through the adsorption filter plate on the installation frame, thereby separating the impurity particles in the mixed liquid. After the mixed liquid separates the impurity particles contained in it by filtering, the water in the mixed liquid falls to the bottom of the installation box for separation, and then the separated water at the bottom of the installation box is discharged through the drainage pipe on the installation box, thereby completing the classified collection and processing of the pure oil, water and impurity particles in the base oil. ;

[0020] The present invention provides a filtering and separating device for lubricating oil production, which has the following beneficial effects:

[0021] 1. The present invention adds and sets a preliminary filtering mechanism to perform preliminary filtering treatment on the base oil in the lubricating oil production process before use. On the one hand, the larger impurity particles contained in the base oil can be filtered out, effectively purifying the base oil raw material and improving the purity of the base oil raw material. The purity and stability of the base oil can be ensured by preliminary filtering, and the quality of the lubricating oil product subsequently generated and processed can also be improved. On the other hand, the risk of equipment blockage or equipment damage caused by impurities can be reduced, thereby facilitating the normal processing and use of the subsequent base oil;

[0022] 2. The present invention significantly improves the purity and performance of the base oil by adding and setting a permeation filtration mechanism and performing multiple permeation filtration treatments on the base oil after preliminary filtration. The permeation filtration mechanism can not only meticulously remove tiny impurities and suspended particles in the base oil, thereby further improving the quality of the oil, but also effectively eliminates potential tiny pollutants and avoids negative impacts on the performance of the final product, and also optimizes the stability and consistency of the lubricating oil, and enhances its lubricating effect under various working conditions. Through this improvement, the reliability and service life of the processed lubricating oil are significantly improved, meeting the modern high-demand lubricating oil production standards;

[0023] 3. The present invention further centrifuges the base oil after multiple osmotic filtration treatments by adding and setting a centrifugal separation mechanism, thereby effectively improving the purity of the oil product. During use, the mechanism can not only utilize the centrifugal force field, according to the density difference of pure oil, water and impurity particles and the difference of centrifugal inertia force, and cooperate with high-speed rotation to achieve efficient separation of the base oil, but also the mechanism can accurately separate the pure oil liquid, water and impurity particles in the base oil, further remove trace impurities and water in the base oil, ensure the high purity and stability of the lubricating oil produced by subsequent processing, and at the same time, through this treatment method, the performance and consistency of the oil product can be improved, and the service life of the equipment can be extended;

[0024] 4. The present invention adds and sets a classification collection mechanism. After the centrifugal separation mechanism effectively separates the pure oil, water and impurity particles in the base oil, these separation products are further classified and collected. The mechanism can not only accurately collect the pure oil, water and impurity particles separately to ensure that each separated substance is properly treated. This classification collection method not only improves the processing efficiency, but also optimizes resource utilization and waste management. Moreover, by separately treating different components, it can also significantly improve the purity of oil products and the environmental friendliness of production, reduce secondary pollution, and facilitate subsequent recycling and reuse, thereby improving the economy and sustainability of the overall production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the rear structure of the present invention;

[0027] Figure 3 It is a schematic cross-sectional view of the internal structure of the primary filter barrel of the present invention;

[0028] Figure 4 It is a cross-sectional schematic diagram of the internal structure of the filter plate of the present invention;

[0029] Figure 5 It is a schematic diagram of the local structure of the outer sleeve of the present invention;

[0030] Figure 6 It is a cross-sectional schematic diagram of the internal structure of the outer tube sleeve of the present invention;

[0031] Figure 7 It is a schematic cross-sectional view of the internal structure of the separation barrel of the present invention;

[0032] Figure 8 It is a schematic cross-sectional view of the internal structure of the installation box of the present invention.

[0033] Among them, 1. Base plate; 2. Temporary storage box; 3. Support frame 1; 4. Outer pipe sleeve; 5. Delivery pump 1; 6. Arc support seat; 7. Primary filter barrel; 8. Feed pipe; 9. Sealing cover 1; 10. Pure oil collection box; 11. Sealing cover 2; 12. Separation barrel; 13. Delivery pump 2; 14. Installation box; 15. Drain pipe; 16. Support frame 2; 17. Delivery pump 3; 18. Negative pressure air pump; 19. One-way valve; 20. Front connecting seat; 21. Delivery pump 4; 22. Filter Plate; 23, conical drainage cavity; 24, air pressure moving seat; 25, fiber filter layer; 26, rear connecting seat; 27, filter cotton plate; 28, reverse osmosis filter membrane; 29, core tube; 30, liquid outlet hole; 31, centrifugal separation hole; 32, processing cavity; 33, mesh cylinder; 34, mesh support plate; 35, sealing cover; 36, centrifugal motor; 37, bottom cavity; 38, synchronous shaft; 39, sponge layer; 40, central centrifugal cylinder; 41, adsorption filter plate; 42, installation frame. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Please refer to the attached Figure 1 - Attachment Figure 2 , an embodiment of the present invention provides a filtering and separating device for lubricating oil production, comprising a base plate 1, which is a basic component of the overall device and is used to assemble and carry various processing mechanisms and their subordinate structural parts;

[0036] Please refer to the attached Figure 3 - Attachment Figure 4 , a preliminary filtering mechanism, which is arranged on one side of the front middle portion of the top of the base plate 1, and is used for performing a preliminary filtering treatment of particulate impurities on the base oil used in the lubricating oil production process;

[0037] The preliminary filtering mechanism includes an arc-shaped support seat 6, to which the arc-shaped support seat 6 is fixedly connected on one side of the front middle part of the top of the base plate 1, to which the top of the arc-shaped support seat 6 is fixedly connected on the primary filter barrel 7, to which the top of the primary filter barrel 7 is threadedly connected on a sealing cover 9, and a feed pipe 8 is provided on the middle and upper part of one side of the primary filter barrel 7, and one end of the feed pipe 8 is connected to the interior of the primary filter barrel 7, and a one-way valve 19 is provided on the feed pipe 8.

[0038] When the preliminary filtering mechanism is started, the base oil to be processed enters the preliminary filter barrel 7 through the feed pipe 8, so that the base oil entering the preliminary filter barrel 7 is temporarily stored on the filter plate 22 in the preliminary filter barrel 7. The base oil is temporarily stored in the preliminary filter barrel 7, thereby starting a series of treatments of the base oil.

[0039] The preliminary filtering mechanism also includes a filter plate 22, which is arranged at the middle and lower part of the inner side of the preliminary filter barrel 7, and a plurality of fiber filter layers 25 are arranged equidistantly inside the filter plate 22, and an air pressure moving seat 24 is arranged at the middle and upper part of the inner side of the preliminary filter barrel 7, and a negative pressure air pump 18 is arranged at the middle part of the rear side of the preliminary filter barrel 7, and the suction port of the negative pressure air pump 18 is connected with the interior of the preliminary filter barrel 7 through a connecting pipe, and a conical drainage cavity 23 is arranged at the inner bottom of the preliminary filter barrel 7.

[0040] Then the negative pressure air pump 18 on the primary filter barrel 7 is started. After starting, the negative pressure air pump 18 injects air into the primary filter barrel 7 through the connecting pipe to increase pressure. The interior of the primary filter barrel 7 is continuously pressurized by the negative pressure air pump 18, so that the air pressure on the upper part of the air pressure moving seat 24 in the primary filter barrel 7 continues to increase. At the same time, with the continuous injection and pressurization of the negative pressure air pump 18, the continuously increasing air pressure on the upper part of the air pressure moving seat 24 pushes the air pressure moving seat 24 in the primary filter barrel 7 to move downward continuously. At the same time, the one-way valve 19 on the feed pipe 8 also prevents the gas from being depressurized through the negative pressure air pump 18.

[0041] As the air pressure moving seat 24 continuously moves downward, it also simultaneously squeezes the base oil liquid on the filter plate 22, so that the base oil on the filter plate 22 is squeezed by the air pressure moving seat 24 and flows downward through the mesh holes on the filter plate 22. While flowing downward, the multi-layer fiber filter layer 25 in the filter plate 22 also performs preliminary filtering treatment on the particulate impurities remaining in the base oil. Then, the base oil after the preliminary filtering treatment enters the conical drainage cavity 23 at the bottom of the primary filter barrel 7 for collection, thereby completing the preliminary filtering treatment of impurities in the base oil.

[0042] Please refer to the attached Figure 5 - Attachment Figure 6 , a permeation filtering mechanism, which is arranged on the other side of the front middle portion of the top of the substrate 1, and is used to filter the base oil liquid after it has been processed by the preliminary filtering mechanism for particulate matter impurities again;

[0043] The osmotic filtration mechanism includes a delivery pump 5, a delivery pump 5 is fixedly connected to the middle of the inner bottom end of the arc-shaped support seat 6, a support frame 3 is fixedly connected to the middle front of the top of the base plate 1, an outer tube sleeve 4 is provided at the top of the support frame 3, a front connecting seat 20 is threadedly connected to one end of the outer tube sleeve 4, a liquid inlet of the delivery pump 5 is connected to the bottom end of the conical drainage chamber 23 through a connecting pipe, and a liquid outlet of the delivery pump 5 is connected to the middle of the front connecting seat 20 through a connecting pipe.

[0044] When the osmotic filtration mechanism is started, the base oil after the preliminary filtration treatment is retained in the conical drainage chamber 23 at the bottom of the primary filter barrel 7, and then the delivery pump 5 in the arc-shaped support seat 6 is started. The delivery pump 5 pumps the base oil liquid after the preliminary filtration treatment in the conical drainage chamber 23 through the connecting pipe, and delivers it into the core tube 29 in the outer pipe sleeve 4 through the front connecting seat 20.

[0045] The osmotic filtration mechanism also includes a core tube 29, which is arranged in the middle of the front connecting seat 20, and the interior of the core tube 29 is connected to the middle of the front connecting seat 20, and a plurality of groups of liquid outlet holes 30 are arranged in a circumferential array on the outer wall of the core tube 29, and a plurality of layers of reverse osmosis filtration membranes 28 are circularly wrapped on the outer wall of the core tube 29, a temporary storage box 2 is fixedly connected to one side of the middle front part of the top of the substrate 1, a rear connecting seat 26 is arranged in the middle upper part of one side of the temporary storage box 2, and the interior of the rear connecting seat 26 is connected to the interior of the temporary storage box 2, a filter cotton board 27 is arranged on the inner side of the rear connecting seat 26 near the outer pipe sleeve 4, and the inner wall of the rear connecting seat 26 is threadedly connected to the outer pipe sleeve 4 at a position of the outer wall away from the front connecting seat 20.

[0046] Then, the base oil liquid entering the core tube 29 is discharged into the outer tube sleeve 4 through the liquid outlet 30 thereon, and is osmotic filtered multiple times through the multiple reverse osmosis filter membranes 28 in the outer tube sleeve 4. Then, as the base oil liquid is continuously injected into the core tube 29, the base oil liquid newly discharged into the reverse osmosis filter membrane 28 squeezes and pushes the base oil liquid previously entering the core tube 29 to be discharged, and is filtered again through the multiple reverse osmosis filter membranes 28 while being discharged.

[0047] After the base oil has been filtered again through the reverse osmosis filter membrane 28, it is finally filtered through the filter cotton plate 27 in the rear connecting seat 26 when it is discharged. Finally, the base oil that has been filtered through the filter cotton plate 27 is discharged into the temporary storage box 2 through the rear connecting seat 26 for collection, thereby completing the multiple filtering treatments of the base oil, thereby filtering and separating the solid particulate impurities remaining in the base oil.

[0048] Please refer to the attached Figure 7 , a centrifugal separation mechanism, which is arranged at the middle and rear part of the top of the substrate 1, and is used to separate the base oil liquid after being processed by the osmotic filtration mechanism by centrifugal means from the oil, water and impurities;

[0049] The centrifugal separation mechanism includes a separation barrel 12, the separation barrel 12 is fixedly connected to the middle and rear part of the top of the base plate 1, a sealing cover 2 11 is arranged on the top of the separation barrel 12, a delivery pump 4 21 is arranged in the middle part of the rear side of the temporary storage box 2, the liquid inlet of the delivery pump 4 21 is connected to the inner bottom of the temporary storage box 2 through a connecting pipe, and the liquid outlet of the delivery pump 4 21 is connected to the middle part of the top of the separation barrel 12 through a connecting pipe.

[0050] When the centrifugal separation mechanism is started, the delivery pump 21 on the temporary storage box 2 is started first. The delivery pump 21 pumps the base oil after multiple filtration treatments in the temporary storage box 2 through the connecting pipe and discharges it into the central centrifugal cylinder 40 in the separation barrel 12.

[0051] The centrifugal separation mechanism also includes a processing chamber 32. The separation barrel 12 is provided with a processing chamber 32 inside. A mesh support plate 34 is fixedly connected to the middle and lower part of the inner side of the processing chamber 32. The middle part of the mesh support plate 34 is rotatably connected to a synchronous shaft 38. The top of the synchronous shaft 38 is fixedly connected to a central centrifugal cylinder 40. A plurality of groups of centrifugal separation holes 31 are arranged in a circular array in the middle and upper part of the inner wall of the central centrifugal cylinder 40. A mesh cylinder 33 is fixedly connected to the middle and lower part of the synchronous shaft 38. A sponge layer 39 is arranged on the annular inner wall of the mesh cylinder 33. A centrifugal motor 36 is arranged in the middle part of the bottom end of the mesh support plate 34, and the output end of the centrifugal motor 36 passes through the mesh support plate 34 and is connected to the middle part of the bottom end of the synchronous shaft 38. A sealing cover 35 is arranged in the middle part of the bottom end of the mesh support plate 34, and a bottom cavity 37 is arranged at the bottom of the mesh support plate 34.

[0052] Then the centrifugal motor 36 on the mesh support plate 34 is started, and the rotating shaft of the centrifugal motor 36 drives the synchronous shaft 38 thereon to rotate while rotating, and the synchronous shaft 38 synchronously drives the central centrifugal cylinder 40 and the mesh cylinder 33 thereon to rotate synchronously while rotating, and the synchronous shaft 38 generates a centrifugal force field in the central centrifugal cylinder 40 while driving the central centrifugal cylinder 40 and the mesh cylinder 33 to rotate at high speed, and due to the density difference of various materials in the base oil, various materials in the base oil are stratified according to their centrifugal inertia force.

[0053] Since the density of pure oil in the base oil is the smallest, the centrifugal inertia force generated during the rotation is also the smallest. Therefore, during the high-speed rotation of the central centrifugal cylinder 40, the pure oil is gathered at the bottom center of the central centrifugal cylinder 40 for centralized collection.

[0054] Since the water density in the base oil is in the middle, the centrifugal inertia force generated during the rotation is between the pure oil and the impurity particles. Therefore, during the high-speed rotation, the base oil in the central centrifugal cylinder 40 uses the centrifugal inertia force to separate the water and impurity particles contained therein through the centrifugal separation holes 31 into the mesh cylinder 33.

[0055] At the same time, since the centrifugal inertia force of the impurity particles is the largest, the mixed liquid containing the impurity particles in the water enters the mesh tube 33 and is collected by the sponge layer 39 in the mesh tube 33 through the high-speed rotation of the mesh tube 33. Then, the impurity particles in the mixed liquid are thrown out into the processing chamber 32 in the separation barrel 12 through the centrifugal inertia force and the mesh holes on the mesh tube 33 for collection.

[0056] Finally, the water separated from the sponge layer 39 in the mesh tube 33 falls into the mesh support plate 34 through the mesh holes at the bottom of the mesh tube 33, and then mixes with the impurity particles separated in the processing chamber 32 to form a mixed liquid again, which is discharged into the bottom chamber 37 in the separation barrel 12 through the mesh holes on the mesh support plate 34, thereby completing the separation, collection and processing of pure oil, water and impurity particles in the base oil.

[0057] Please refer to the attached Figure 8 , a classification and collection mechanism is arranged on both sides of the middle and rear part of the top of the base plate 1, and is used to classify and collect the oil, water and impurities after being processed by the centrifugal separation mechanism.

[0058] The classification and collection mechanism includes a pure oil collection box 10. The pure oil collection box 10 is arranged on one side of the middle and rear part of the top of the base plate 1. A delivery pump 3 17 is arranged in the middle of one side of the pure oil collection box 10. The liquid inlet of the delivery pump 3 17 is connected with the inner bottom end of the central centrifugal cylinder 40 through a connecting pipe, and the liquid outlet of the delivery pump 3 17 is connected with the middle and lower part of one side of the pure oil collection box 10 through a connecting pipe.

[0059] When the classification and collection mechanism is started, the delivery pump 3 17 on the pure oil collection box 10 is started first, and the delivery pump 3 17 pumps the pure oil separated from the bottom of the central centrifugal cylinder 40 through the connecting pipe, and then delivers it to the pure oil collection box 10 through the connecting pipe for storage, thereby completing the classification and collection of the pure oil.

[0060] The classification and collection mechanism also includes a support frame 16, to which the support frame 16 is fixedly connected to one side of the middle and rear part of the top of the substrate 1, and a delivery pump 13 is arranged at the top of the support frame 16. An installation box 14 is fixedly connected to one side of the middle and rear part of the top of the substrate 1 near the edge, and a plurality of installation frames 42 are fixedly connected to the inside of the installation box 14 at equal intervals, and adsorption filter plates 41 are arranged inside the installation frames 42. The liquid inlet of the delivery pump 13 is connected to one side of the bottom end of the bottom cavity 37 through a connecting pipe, and the liquid outlet of the delivery pump 13 is connected to the middle of the top of the installation box 14 through a connecting pipe, and a drain pipe 15 is arranged at the middle of the bottom end of one side of the installation box 14.

[0061] At the same time, the delivery pump 2 13 on the support frame 2 16 is started, and the delivery pump 2 13 pumps the mixed liquid in the bottom cavity 37 through the connecting pipe, and delivers it to the installation box 14 through the connecting pipe. Then, the mixed liquid entering the installation box 14 is filtered layer by layer through the adsorption filter plate 41 on the installation frame 42, so as to separate the impurity particles in the mixed liquid.

[0062] Then, after the impurity particles contained in the mixed liquid are separated by filtering, the water in the mixed liquid falls to the bottom of the installation box 14 and is separated. Then, the separated water at the bottom of the installation box 14 is discharged through the drain pipe 15 on the installation box 14, thereby completing the classification, collection and processing of pure oil, water and impurity particles in the base oil.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering and separating device for lubricating oil production, characterized in that: include A base plate (1), which serves as a basic component of the overall device and is used to assemble and carry various processing mechanisms and their subordinate structural components; A preliminary filtering mechanism, which is arranged on one side of the front middle portion of the top end of the base plate (1) and is used to perform a preliminary filtering treatment of particulate impurities on the base oil used in the lubricating oil production process; A permeation filter mechanism, which is arranged on the other side of the front middle portion of the top end of the base plate (1), and is used to filter the base oil liquid after it has been processed by the preliminary filter mechanism for particulate matter and impurities; A centrifugal separation mechanism, which is arranged at the middle and rear part of the top of the base plate (1), and is used to separate the base oil liquid, water and impurities by centrifugal means after the base oil liquid has been processed by the osmotic filtration mechanism; The centrifugal separation mechanism comprises a separation barrel (12) and a temporary storage box (2); the separation barrel (12) is fixedly connected to the middle and rear part of the top of the base plate (1); a sealing cover (2) (11) is arranged on the top of the separation barrel (12); a delivery pump (21) is arranged in the middle of the rear side of the temporary storage box (2); a liquid inlet of the delivery pump (21) is connected to the inner bottom of the temporary storage box (2) through a connecting pipe; and a liquid outlet of the delivery pump (21) is connected to the middle of the top of the separation barrel (12) through a connecting pipe; The centrifugal separation mechanism further comprises a processing chamber (32), the separation barrel (12) being provided with the processing chamber (32), a mesh support plate (34) being fixedly connected to the middle and lower part of the inner side of the processing chamber (32), a synchronization shaft (38) being rotatably connected to the middle part of the mesh support plate (34), a central centrifugal cylinder (40) being fixedly connected to the top of the synchronization shaft (38), a plurality of groups of centrifugal separation holes (31) being arranged in a circular array in the middle and upper part of the inner wall of the central centrifugal cylinder (40), and the synchronization shaft (3 8) is fixedly connected to a mesh cylinder (33) in the middle and lower part, a sponge layer (39) is arranged on the annular inner wall of the mesh cylinder (33), a centrifugal motor (36) is arranged in the middle of the bottom end of the mesh support plate (34), and the output end of the centrifugal motor (36) passes through the mesh support plate (34) and is connected to the middle of the bottom end of the synchronous shaft (38), a sealing cover (35) is arranged in the middle of the bottom end of the mesh support plate (34), and a bottom cavity (37) is arranged at the bottom of the mesh support plate (34); The classification and collection mechanism is arranged on both sides of the middle and rear part of the top end of the base plate (1) and is used to classify and collect the oil, water and impurities after being processed by the centrifugal separation mechanism.

2. A filtering and separating device for lubricating oil production according to claim 1, characterized in that: The preliminary filtering mechanism comprises an arc-shaped support seat (6), one side of the middle front part of the top end of the base plate (1) is fixedly connected to the arc-shaped support seat (6), the top end of the arc-shaped support seat (6) is fixedly connected to a preliminary filter barrel (7), the top of the preliminary filter barrel (7) is threadedly connected to a sealing cover (9), a feed pipe (8) is provided at the middle upper part of one side of the preliminary filter barrel (7), one end of the feed pipe (8) is connected to the interior of the preliminary filter barrel (7), and a one-way valve (19) is provided on the feed pipe (8).

3. A filtering and separating device for lubricating oil production according to claim 2, characterized in that: The preliminary filtering mechanism further comprises a filter plate (22), the filter plate (22) being arranged at the middle and lower part of the inner side of the preliminary filter barrel (7), a plurality of fiber filter layers (25) being arranged equidistantly inside the filter plate (22), an air pressure movable seat (24) being arranged at the middle and upper part of the inner side of the preliminary filter barrel (7), a negative pressure air pump (18) being arranged at the middle part of the rear side of the preliminary filter barrel (7), a discharge port of the negative pressure air pump (18) being connected to the inner side of the preliminary filter barrel (7) through a connecting pipe, and a conical drainage cavity (23) being arranged at the inner bottom of the preliminary filter barrel (7).

4. A filtering and separating device for lubricating oil production according to claim 2, characterized in that: The osmotic filtration mechanism comprises a delivery pump (5), a delivery pump (5) is fixedly connected to the middle of the inner bottom end of the arc-shaped support seat (6), a support frame (3) is fixedly connected to the middle front of the top end of the base plate (1), an outer tube sleeve (4) is arranged at the top end of the support frame (3), a front connecting seat (20) is threadedly connected to one end of the outer tube sleeve (4), a liquid inlet of the delivery pump (5) is connected to the bottom end of the conical drainage chamber (23) through a connecting pipe, and a liquid outlet of the delivery pump (5) is connected to the middle of the front connecting seat (20) through a connecting pipe.

5. A filtering and separating device for lubricating oil production according to claim 4, characterized in that: The osmotic filtration mechanism further comprises a core tube (29), the core tube (29) being arranged in the middle of the front connecting seat (20), and the interior of the core tube (29) being communicated with the middle of the front connecting seat (20), the outer wall of the core tube (29) being provided with a plurality of groups of liquid outlet holes (30) in a circumferential array, the outer wall of the core tube (29) being circularly wrapped with a plurality of layers of reverse osmosis filtration membranes (28), a temporary storage box (2) being fixedly connected to one side of the middle front portion of the top end of the base plate (1), a rear connecting seat (26) being arranged in the middle upper portion of one side of the temporary storage box (2), and the interior of the rear connecting seat (26) being communicated with the interior of the temporary storage box (2), a filter cotton plate (27) being arranged on the inner side of the rear connecting seat (26) close to the outer tube sleeve (4), and the inner wall of the rear connecting seat (26) being threadedly connected to the outer wall of the outer tube sleeve (4) away from the front connecting seat (20).

6. A filtering and separating device for lubricating oil production according to claim 1, characterized in that: The classification collection mechanism comprises a pure oil collection box (10), the pure oil collection box (10) being arranged on one side of the middle and rear part of the top end of the base plate (1), a delivery pump (17) being arranged in the middle part of one side of the pure oil collection box (10), a liquid inlet of the delivery pump (17) being connected to the inner bottom end of the central centrifugal cylinder (40) through a connecting pipe, and a liquid outlet of the delivery pump (17) being connected to the middle and lower part of one side of the pure oil collection box (10) through a connecting pipe.

7. A filtering and separating device for lubricating oil production according to claim 1, characterized in that: The classification collection mechanism also includes a second support frame (16), a second support frame (16) is fixedly connected to one side of the middle and rear part of the top of the base plate (1), a second delivery pump (13) is arranged at the top of the second support frame (16), a mounting box (14) is fixedly connected to one side of the middle and rear part of the top of the base plate (1) near the edge, a plurality of mounting frames (42) are fixedly connected to the inside of the mounting box (14) at equal intervals, and an adsorption filter plate (41) is arranged inside each of the mounting frames (42), a liquid inlet of the second delivery pump (13) is connected to one side of the bottom end of the bottom cavity (37) through a connecting pipe, a liquid outlet of the second delivery pump (13) is connected to the middle part of the top of the mounting box (14) through a connecting pipe, and a drainage pipe (15) is arranged at the middle part of the bottom end of one side of the mounting box (14).

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