Molecular distiller for purifying lubricating oil

Abstract

The utility model discloses a molecular distiller for purifying lubricating oil, which belongs to the technical field of waste lubricating oil processing and comprises a distiller shell, a motor, a feeding pipe, a speed reducer, a flow divider, a scraper component and a cooling plate component. A light phase collecting tank, a discharging pipe, a cooling water input pipe and a cooling water output pipe are arranged at the bottom of the distiller shell, a hot oil jacket is arranged on the inner wall of the distiller shell, a hot oil inlet is formed in one side of the hot oil jacket, and a hot oil outlet is formed in the other side of the hot oil jacket. In a high-temperature and high-vacuum state and in a state of not damaging the physical and chemical properties of materials, a liquid film is formed on the wall of the distiller, light-component molecules move and are captured and condensed by the cooling plate, condensed light-phase condensate flows down along the cooling plate and enters the light-phase collecting tank, heavy-component substances flow into the heavy-phase collecting tank along the wall of the distiller, and the heavy-phase substances are collected by the heavy-phase collecting tank. The separation efficiency is high, the speed is high and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of waste lubricating oil processing, in particular to a molecular distiller for purifying lubricating oil. Background Art

[0002] Molecular separation is a distillation method that operates under high vacuum conditions. Under high vacuum and high temperature conditions, the mean free path of light-phase molecules is greater than the distance from the vessel wall to the cold surface, allowing them to be separated by their different separation rates. During their movement, they are captured and condensed in a condenser. However, existing molecular distillers have internal condensers with coil structures, which have a small cooling area and low capture capacity. This prevents rapid and uniform separation, and their low molecular capture capacity makes them inconvenient to use. Utility Model Content

[0003] The utility model aims to provide a molecular distiller for lubricating oil purification, which solves the problems that the existing molecular distiller cannot separate the lubricating oil quickly and evenly, has low molecular capture ability and is inconvenient to use.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The utility model discloses a molecular distiller for purifying lubricating oil, comprising a distiller shell, a motor is provided at the top of the distiller shell, a reducer is provided on the output shaft of the motor, a scraper assembly is provided below the reducer, a diverter is provided above the scraper assembly, a feed pipe is provided at the top of the distiller shell, the diverter is located below the feed pipe, a cooling plate assembly is provided at the center position inside the distiller shell, a cooling water input pipe is provided at the bottom of the cooling plate assembly, a cooling water output pipe is provided at the top of the cooling plate assembly, a heavy phase collecting tank is provided at the middle and lower part of the distiller shell, a heavy phase material output pipe is provided on one side of the heavy phase collecting tank, a light phase collecting tank is provided at the bottom of the distiller shell, a discharge pipe is provided at the bottom of the light phase collecting tank, a hot oil jacket is provided on the inner wall of the distiller shell, a hot oil inlet is provided on one side of the hot oil jacket, and a hot oil outlet is provided on the other side of the hot oil jacket.

[0006] Furthermore, the scraper assembly includes an annular frame, which is connected to the reducer through a connecting piece. A scraper is provided on the outer side of the annular frame, and the scraper is in contact with the inner wall of the distiller shell.

[0007] Furthermore, the cooling plate assembly includes six cooling plates, and the six cooling plates are distributed in a diamond shape. The bottom of one of the cooling plates is connected to the cooling water inlet pipe, and the top of another cooling plate is connected to the cooling water output pipe. A cold water inlet connecting pipe and a cold water return connecting pipe are provided between two adjacent cooling plates, and the bottom of the cooling plate is connected to the bottom of the distiller shell through a cooling plate fixing member.

[0008] Furthermore, the diverter is provided with inverted triangle-shaped material distribution openings around it.

[0009] Furthermore, the heavy phase collecting tank is configured to be annular.

[0010] Furthermore, the light phase collecting tank is configured to be semi-arc spherical.

[0011] Compared with the prior art, the beneficial technical effects of the present invention are:

[0012] The interior of the distiller shell of the utility model is provided with a scraper, which forms a liquid film on the wall of the distiller under high temperature and high vacuum conditions without destroying the physical and chemical properties of the material. The light component molecules move and are captured and condensed by the cooling plate. The condensed light phase condensate flows down along the cooling plate and enters the light phase collection tank, and enters the light phase collection tank through the discharge pipe. The heavy component material flows into the heavy phase collection tank along the wall, and enters the heavy phase collection tank through the heavy phase material output pipe at the bottom of the heavy phase collection tank, thereby achieving the purpose of purifying and separating the lubricating oil. The separation efficiency is high, the speed is fast, and the use is more convenient, and the purpose of rapid and uniform separation and condensation can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a front view of the molecular distiller for lubricating oil purification according to the present invention;

[0015] Figure 2 This is a schematic structural diagram of the cooling plate assembly of the utility model;

[0016] Figure 3 This is an enlarged schematic diagram of the connection mode of each plate at the cooling plate A of the molecular distiller for lubricating oil purification of the present invention;

[0017] Figure 4 It is a top view of the heavy phase collection tank of the utility model.

[0018] Explanation of the accompanying symbols: 1. Distillation vessel shell; 2. Reducer; 3. Scraper assembly; 4. Feed pipe; 5. Diverter; 6. Cooling plate assembly; 7. Hot oil jacket; 8. Hot oil inlet; 9. Hot oil outlet; 10. Heavy phase material output pipe; 11. Light phase collecting tank; 12. Cooling water inlet pipe; 13. Cooling water output pipe; 13-1. Connection between cooling plate and cooling water output pipe; 14. Motor; 15. Discharge pipe; 16. Cold water inlet connecting pipe; 17. Cold water return connecting pipe; 18. Connecting piece; 19. Cooling plate fixing piece; 20. Heavy phase collecting tank. DETAILED DESCRIPTION

[0019] like Figure 1-4 As shown, a molecular distiller for purifying lubricating oil comprises a distiller shell 1, a motor 14 is installed on the top of the distiller shell 1, a reducer 2 is connected to the output shaft of the motor 14, the reducer 2 extends to the interior of the distiller shell 1, a scraper assembly 3 is connected below the reducer 2, a diverter 5 is provided above the scraper assembly 3, the diverter 5 and the reducer 2 are sealed by a high-temperature resistant sealing rubber ring, and there is a certain gap between the diverter 5 and the inner wall of the distiller shell 1, a feed pipe 4 is connected to the top of the distiller shell 1, the diverter 5 is located below the feed pipe 4, a cooling plate assembly 6 is installed at the center of the distiller shell 1, and the bottom of the cooling plate assembly 6 is provided There is a cooling water inlet pipe 12, a cooling water output pipe 13 is provided on the top of the cooling plate assembly 6, a heavy phase collecting tank 20 is installed in the middle and lower part of the distiller shell 1, and one side of the heavy phase collecting tank 20 is connected to the heavy phase material output pipe 10, the bottom of the distiller shell 1 is connected to the light phase collecting tank 11, and the bottom center position of the light phase collecting tank 11 is connected to the discharge pipe 15, a hot oil jacket 7 is installed on the inner wall of the distiller shell 1, the bottom of the hot oil jacket 7 is connected to the hot oil inlet 8, and the top of the hot oil jacket 7 is connected to the hot oil outlet 9; the material forms a uniform liquid film on the inner wall of the distiller shell 1, and after being heated by the heat-conducting oil, the heat is more evenly distributed, the light and heavy components are separated, and the light phase molecules move to the middle of the distiller.

[0020] The scraper assembly 3 includes an annular frame, which is connected to the reducer 2 via a connector 18. The connector 18 is in the form of upper and lower flanges and is fastened by bolts. A scraper is installed on the outside of the annular frame, and the scraper is in contact with the inner wall of the distiller shell 1.

[0021] The cooling plate assembly 6 includes six cooling plates, which are distributed in a diamond shape. The bottom of one cooling plate is connected to the cooling water inlet pipe 12, and the top of another cooling plate is connected to the cooling water outlet pipe 13. Figure 1As shown in the figure, the connection 13-1 between the cooling plate and the cooling water output pipe is located at the top of one of the cooling plates; a cold water inlet connecting pipe 16 and a cold water return connecting pipe 17 are connected between two adjacent cooling plates, and the cooling water enters from the cooling water input pipe 12 at the bottom of the cooling plate 6, fills the cooling plate 6 from bottom to top, and then flows out through the cooling water output pipe 13 at the top of the cooling plate 6. The bottom of the cooling plate is welded to the bottom of the distiller shell 1 through a cooling plate fixing member 19; when in use, the light phase molecules are captured and condensed by the cooling plate during movement. The cooling plate has a large cooling area, which makes it easier to capture the light phase molecules, thereby greatly improving the condensation efficiency.

[0022] The diverter 5 is provided with an inverted triangle material distribution opening around its periphery to ensure that the material can flow down along the inner wall of the separator 1 evenly.

[0023] The heavy phase collecting tank 20 is configured in an annular shape and is connected to the inner wall of the distiller shell 1 .

[0024] The light phase collecting tank 11 is configured as a semi-arc spherical shape, which is conducive to the downward flow of the light phase condensate and prevents the light phase condensate from remaining in the distiller shell.

[0025] The working process of this utility model is as follows:

[0026] When using the molecular distiller for lubricating oil purification, first place the molecular distiller on a flat ground, then fix the distiller shell 1 to the bracket, connect the feed pipe 4 to the feed pipeline, connect the hot oil inlet 8 to the high-temperature thermal oil supply main in the plant area, connect the hot oil outlet 9 to the high-temperature thermal oil recovery pipe in the plant area, connect the cooling water input pipe 12 to the circulating water main, and connect the cooling water output pipe 13 to the circulating water recovery pipe.

[0027] Before feeding, the temperature of the distiller shell 1 is first raised to the required temperature, and then feeding is started. When liquid flows out of the heavy phase material output pipe 10, the motor 14 is turned on, and the material flows down along the inner wall of the distiller shell 1 through the diverter 5, and forms a uniform liquid film under the action of the scraper. It is heated by the thermal oil, and the light phase molecules in the material move to the middle of the distiller. When they hit the cooling plate during movement, they are captured and condensed by the cooling plate. The separation process is continuous and irreversible, with high separation efficiency and separation speed. The condensed light phase condensate flows down along the cooling plate, enters the light phase collection tank 11, and enters the light phase collection tank through the discharge pipe 15. The heavy phase material flows into the heavy phase collection tank 20 along the inner wall of the distiller shell 1, and enters the heavy phase collection tank through the heavy phase material output pipe 10 at the bottom of the heavy phase collection tank 20, thereby achieving the purpose of purifying and separating the lubricating oil.

[0028] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A molecular distiller for lubricating oil purification, characterized in that: The invention comprises a distiller shell (1), wherein a motor (14) is provided on the top of the distiller shell (1), a reducer (2) is provided on the output shaft of the motor (14), a scraper assembly (3) is provided below the reducer (2), a diverter (5) is provided above the scraper assembly (3), a feed pipe (4) is provided on the top of the distiller shell (1), the diverter (5) is located below the feed pipe (4), a cooling plate assembly (6) is provided at the center position inside the distiller shell (1), a cooling water inlet pipe (12) is provided at the bottom of the cooling plate assembly (6), and the cooling water inlet pipe (12) is provided at the bottom of the cooling plate assembly (6). A cooling water output pipe (13) is provided on the top of the cooling plate assembly (6), a heavy phase collecting tank (20) is provided in the middle and lower part of the distiller shell (1), a heavy phase material output pipe (10) is provided on one side of the heavy phase collecting tank (20), a light phase collecting tank (11) is provided at the bottom of the distiller shell (1), a discharge pipe (15) is provided at the bottom of the light phase collecting tank (11), a hot oil jacket (7) is provided on the inner wall of the distiller shell (1), a hot oil inlet (8) is provided on one side of the hot oil jacket (7), and a hot oil outlet (9) is provided on the other side of the hot oil jacket (7).

2. The molecular distiller for lubricating oil purification according to claim 1, wherein: The scraper assembly (3) comprises an annular frame, the annular frame being connected to the reducer (2) via a connector (18), a scraper being provided on the outer side of the annular frame, and the scraper being in contact with the inner wall of the distiller shell (1).

3. The molecular distiller for lubricating oil purification according to claim 1, wherein: The cooling plate assembly (6) includes six cooling plates, which are distributed in a diamond shape. The bottom of one cooling plate is connected to the cooling water inlet pipe (12), and the top of another cooling plate is connected to the cooling water outlet pipe (13). A cold water inlet connecting pipe (16) and a cold water return connecting pipe (17) are provided between two adjacent cooling plates. The bottom of the cooling plate is connected to the bottom of the distiller shell (1) through a cooling plate fixing member (19).

4. The molecular distiller for lubricating oil purification according to claim 1, wherein: The diverter (5) is provided with inverted triangle-shaped material distribution openings around its periphery.

5. The molecular distiller for lubricating oil purification according to claim 1, wherein: The heavy phase collecting tank (20) is arranged in an annular shape.

6. The molecular distiller for lubricating oil purification according to claim 1, wherein: The light phase collecting tank (11) is configured to be semi-arc spherical.

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