Layered distillation and recovery device for lubricating oil
By introducing a mixing component and a scraper structure into the lubricating oil stratified distillation unit, the problem of uneven heating of lubricating oil was solved, thereby improving distillation efficiency and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG XINSHUNFA INTELLIGENT TECHNOLOGY CO LTD
- Filing Date
- 2025-03-27
- Publication Date
- 2026-05-01
AI Technical Summary
Existing lubricating oil stratified distillation equipment lacks a stirring function when removing particulate impurities, resulting in uneven heating of the lubricating oil and slow distillation speed.
The mixing components include connecting gears, rotating blocks, and stirring blades. By rotating and revolving, the heating uniformity of the lubricating oil is increased, and the lubricating oil sedimentation is reduced by the scraper, thereby improving the distillation efficiency.
This achieves uniform heating of the lubricating oil, improves distillation efficiency, shortens the distillation cycle, and reduces energy consumption.
Smart Images

Figure CN224180271U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lubricating oil distillation technology, specifically a lubricating oil stratified distillation and recovery device. Background Technology
[0002] 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 mainly plays a role in lubrication, auxiliary cooling, rust prevention, cleaning, sealing and buffering. However, lubricating oil used for a long time contains water and other impurities. In order to avoid affecting the lubrication effect, the old lubricating oil is cleaned and new lubricating oil is added. In order to save costs, waste lubricating oil can be recycled and reused after being processed by a distillation unit.
[0003] According to announcement number CN216963580U, a waste lubricating oil stratified distillation and recovery device includes: a distillation tank for distilling waste lubricating oil, with symmetrically fixed support legs at the bottom and a heating layer at the bottom; and an impurity pipe fixedly installed inside the distillation tank for collecting particulate impurities in the waste lubricating oil vapor, with an impurity outlet at the bottom and passing through the bottom of the distillation tank. This device has a simple structure. By arranging multiple large and small arc-shaped plates inside the distillation tank, resistance is increased during the vapor rise, allowing particulate impurities carried in the vapor to adhere to the large and small arc-shaped plates and be discharged through the impurity pipe, thereby preventing the lubricating oil after stratified distillation from containing difficult-to-handle particles.
[0004] The aforementioned device mainly uses large and small arc plates to adhere to and remove particulate impurities carried in the steam, but it does not have the function of stirring the lubricating oil, which makes it difficult for the lubricating oil to be heated evenly and results in a slow distillation speed. Utility Model Content
[0005] The purpose of this invention is to provide a lubricating oil stratified distillation recovery device to solve the problems that the above-mentioned devices mainly use large and small arc plates to achieve the adhesion and removal of particulate impurities carried in steam, but do not have the function of stirring the lubricating oil, which is not conducive to the uniform heating of the lubricating oil and the distillation speed is slow.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a lubricating oil stratified distillation and recovery device, comprising a distillation tank, a distillation tank cover at the top of the distillation tank, and an oil inlet pipe for feeding lubricating oil fixedly installed at the top of the distillation tank cover; a discharge pipe fixedly installed at the bottom of the distillation tank; and a mixing component for increasing uniform heating inside the distillation tank. The mixing component includes a connecting gear disposed inside the distillation tank, a rotating block rotatably connected to the connecting gear, and a rotating motor fixedly installed at the top of the distillation tank cover. The output shaft of the rotating motor passes through the distillation tank cover and the connecting gear. A wheel and a rotating block are fixedly installed. Connecting blocks are evenly and fixedly installed around the outer periphery of the rotating block. A first gear that meshes with a connecting gear is rotatably connected to the top of the connecting block. A second gear is rotatably connected to the bottom of the connecting block and directly below the first gear. The rotating shaft of the first gear passes through the connecting block and is fixedly installed with the second gear. A third gear is rotatably connected to the bottom of the connecting block and meshes with the second gear. A connecting arm is fixedly installed at the bottom of the third gear. A stirring shaft is fixedly installed at the bottom of the connecting arm, and stirring blades are evenly and fixedly installed around the outer periphery of the stirring shaft.
[0007] As a further embodiment of this utility model: a filter plate is fixedly installed inside the distillation tank and at the top of the connecting gear, and the connecting gear is fixedly installed at the bottom of the filter plate.
[0008] As a further improvement of this utility model: a connecting rod is fixedly installed at the bottom of the rotating block, and scrapers are symmetrically fixedly installed on the outer periphery of the connecting rod.
[0009] As a further improvement of this utility model, the scraper is shaped as a cleaning slope with a wedge-shaped bevel.
[0010] As a further embodiment of this utility model: a support rod is fixedly installed at the bottom of the distillation tank for support, and the support rod is evenly fixedly installed at the bottom of the distillation tank.
[0011] As a further improvement of this utility model, a control valve for controlling the discharge is provided on the outer periphery of the discharge pipe.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] In this invention, the mixing component can drive the stirring blades to rotate inside the distillation tank in the form of rotation and revolution, thereby increasing the uniformity of heating of the lubricating oil during distillation and increasing the distillation efficiency.
[0014] In this invention, scrapers symmetrically installed on the outer periphery of the connecting rod can reduce the sedimentation of lubricating oil at the bottom of the distillation tank during rotation, making it easier to discharge the distilled lubricating oil from the inside of the distillation tank. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a cross-sectional structural diagram of the storage tank in this utility model;
[0017] Figure 3 This is a utility model Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;
[0018] Figure 4 This is a utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle.
[0019] In the diagram: 1. Distillation tank; 2. Distillation tank cover; 3. Oil inlet pipe; 4. Discharge pipe; 5. Mixing assembly; 51. Connecting gear; 52. Rotating block; 53. Rotating motor; 54. Connecting block; 55. First gear; 56. Second gear; 57. Third gear; 58. Connecting arm; 59. Stirring shaft; 510. Stirring blade; 511. Connecting rod; 512. Scraper; 6. Control valve; 7. Support rod; 8. Filter plate. Detailed Implementation
[0020] 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.
[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.
[0022] Reference Figures 1 to 4 In this embodiment of the present invention, a lubricating oil stratified distillation and recovery device includes a distillation tank 1, a distillation tank cover 2 at the top of the distillation tank 1, and an oil inlet pipe 3 for feeding lubricating oil fixedly installed at the top of the distillation tank cover 2. A discharge pipe 4 is fixedly installed at the bottom of the distillation tank 1. A mixing component 5 for increasing uniform heating is provided inside the distillation tank 1. The mixing component 5 includes a connecting gear 51 disposed inside the distillation tank 1, a rotating block 52 rotatably connected to the connecting gear 51, and a rotating motor 53 fixedly installed at the top of the distillation tank cover 2. The output shaft of the rotating motor 53 passes through the distillation tank cover 2 and the connecting gear 51 and the rotating block 52, and is fixedly installed thereon. A connecting block 54 is uniformly and fixedly installed around the outer periphery of the moving block 52. The top of the connecting block 54 is rotatably connected to a first gear 55 that meshes with the connecting gear 51. The bottom of the connecting block 54 and directly below the first gear 55 is rotatably connected to a second gear 56. The rotation shaft of the first gear 55 passes through the connecting block 54 and is fixedly installed with the second gear 56. The bottom of the connecting block 54 is rotatably connected to a third gear 57, which meshes with the second gear 56. The bottom of the third gear 57 is fixedly installed with a connecting arm 58. The bottom of the connecting arm 58 is fixedly installed with a stirring shaft 59, and stirring blades 510 are uniformly and fixedly installed around the outer periphery of the stirring shaft 59.
[0023] The above scheme is adopted: a heating layer (not marked in the figure) is provided at the bottom of the interior of the distillation tank 1 to heat the lubricating oil. The heating layer is the prior art in the comparative document, so it is not described in detail in this device. When the rotating motor 53 drives the rotating block 52 to rotate, the stirring blade 510 revolves to mix and heat the lubricating oil evenly. At the same time, the first gear 55 at the top of the connecting block 54 and the second gear 56 and the third gear 57 at the bottom can mix and heat the lubricating oil inside the distillation tank 1 evenly by rotating the stirring blade 510. The mixing component 5 can drive the stirring blade 510 to rotate inside the distillation tank 1 in the form of rotation and revolution, which increases the uniformity of heating of the lubricating oil during distillation and increases the distillation efficiency.
[0024] Reference Figures 1 to 4 A filter plate 8 is fixedly installed inside the distillation tank 1 and at the top of the connecting gear 51. The connecting gear 51 is fixedly installed at the bottom of the filter plate 8.
[0025] Using the above solution: the filter plate 8 can filter particulate impurities inside the lubricating oil when the lubricating liquid to be distilled is placed inside the distillation tank 1. By removing impurities through filtration, the heating surface can be kept clean, heat transfer efficiency can be improved, energy consumption can be reduced, the distillation cycle can be shortened, and production efficiency can be improved. After prolonged use, the impurities on the surface of the filter plate 8 can be cleaned by opening the distillation tank cover 2.
[0026] Reference Figures 1 to 4 A connecting rod 511 is fixedly installed at the bottom of the rotating block 52, and a scraper 512 is symmetrically fixedly installed on the outer periphery of the connecting rod 511. The scraper 512 is a cleaning slope with a wedge-shaped inclined surface.
[0027] The above solution is adopted: the wedge-shaped cleaning bevel has a certain tilt angle. The wedge-shaped bevel allows the lubricating oil at the bottom of the distillation tank 1 to flow more smoothly. Compared with the vertical plane scraper, the bevel can guide the fluid to flow in a specific direction, reduce the collision and resistance between the lubricating oil and the scraper 512, reduce energy consumption, and improve the smoothness and stability of the rotation of the rotating block 52.
[0028] Reference Figures 1 to 4 A support rod 7 is fixedly installed at the bottom of the distillation tank 1 for support, and the support rod 7 is evenly fixedly installed at the bottom of the distillation tank 1. A control valve 6 for controlling the discharge is provided on the outer periphery of the discharge pipe 4.
[0029] The working principle of this utility model is as follows: When distilling lubricating oil, the lubricating oil to be distilled is first introduced into the distillation tank 1 through the oil inlet pipe 3. When the lubricating oil enters the distillation tank 1, some particulate impurities in the lubricating oil can be filtered out by the filter plate 8 installed inside the distillation tank 1, which increases the cleanliness of the heating surface, improves heat transfer efficiency, reduces energy consumption, and shortens the distillation cycle, thereby improving production efficiency. Then, the operator starts the rotating motor 53 at the top of the distillation tank cover 2. The operation of the rotating motor 53 will drive the rotating block 52 at the bottom of the connecting gear 51 to rotate through the output shaft end. At this time, as the rotating block 52 rotates, it will drive the first gear 55 at the top of the connecting block 54 to enter the distillation tank. The synchronous rotation of the mixing assembly 5 drives the second gear 56 at the bottom of the connecting block 54 to rotate as well. As the second gear 56 rotates, it drives the meshing third gear 57 to rotate. The rotation of the third gear 57 drives the stirring blades 510 on the outer periphery of the stirring shaft 59 at the bottom to rotate as well. The mixing assembly 5 can drive the stirring blades 510 to rotate in the form of rotation and revolution inside the distillation tank 1, which increases the uniformity of heating of the lubricating oil during distillation and increases the distillation efficiency. At the same time, the scrapers 512 symmetrically installed on the outer periphery of the connecting rod 511 can reduce the precipitation of lubricating oil at the bottom of the distillation tank 1 during rotation, making it easier to discharge the distilled lubricating oil from the inside of the distillation tank 1.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A lubricating oil stratified distillation and recovery device, comprising a distillation tank (1), wherein a distillation tank cover (2) is provided at the top of the distillation tank (1), and an oil inlet pipe (3) for feeding lubricating oil is fixedly installed at the top of the distillation tank cover (2), and a discharge pipe (4) is fixedly installed at the bottom of the distillation tank (1), characterized in that, The distillation tank (1) is equipped with a mixing component (5) to enhance uniform heating. The mixing component (5) includes a connecting gear (51) disposed inside the distillation tank (1), a rotating block (52) rotatably connected to the connecting gear (51), and a rotating motor (53) fixedly installed on the top of the distillation tank cover (2). The output shaft of the rotating motor (53) passes through the distillation tank cover (2) and the connecting gear (51) and is fixedly installed on the rotating block (52). A connecting block (54) is evenly fixedly installed around the outer periphery of the rotating block (52). The top of the connecting block (54) is rotatably connected to a gear (51) that meshes with it. The first gear (55) is connected to the bottom of the connecting block (54) and is rotatably connected to the second gear (56) directly below the first gear (55). The rotation shaft of the first gear (55) passes through the connecting block (54) and is fixedly installed with the second gear (56). The bottom of the connecting block (54) is rotatably connected to the third gear (57), and the third gear (57) meshes with the second gear (56). The bottom of the third gear (57) is fixedly installed with a connecting arm (58), and the bottom of the connecting arm (58) is fixedly installed with a stirring shaft (59). Stirring blades (510) are evenly fixedly installed around the outer circumference of the stirring shaft (59).
2. A lubricating oil fractional distillation recovery apparatus according to claim 1, wherein, A filter plate (8) is fixedly installed inside the distillation tank (1) and at the top of the connecting gear (51). The connecting gear (51) is fixedly installed at the bottom of the filter plate (8).
3. A lubricating oil fractional distillation recovery apparatus according to claim 1, wherein, The bottom end of the rotating block (52) is fixedly installed with a connecting rod (511), and scrapers (512) are symmetrically fixedly installed on the outer periphery of the connecting rod (511).
4. The lubricating oil stratified distillation and recovery device according to claim 3, characterized in that, The scraper (512) is a cleaning slope with a wedge-shaped bevel.
5. The apparatus of claim 1 wherein, The bottom of the distillation tank (1) is fixedly installed with a support rod (7) for support, and the support rod (7) is evenly fixedly installed at the bottom of the distillation tank (1).
6. The lubricating oil stratified distillation and recovery device according to claim 1, characterized in that, The discharge pipe (4) is provided with a control valve (6) on its outer periphery to control the discharge.