Impurity separation device for refining waste lubricating oil solvent

Abstract

The utility model relates to the technical field of solvent refining, in particular to an impurity separation device for waste lubricating oil solvent refining, which comprises an extraction tank, a feed port connected above one side of the extraction tank, a stirring mechanism arranged in the extraction tank, an evaporation tank, a condensation tank and a material receiving box respectively arranged below the extraction tank, a liquid outlet pipe is connected below one side of the evaporation tank, and a water outlet pipe is connected below one side of the condensation tank; a jacket is arranged on the periphery of the evaporation tank, a cavity is formed between the jacket and the outer wall of the evaporation tank, and a water inlet and a water outlet are respectively formed in the front side and the rear side of the jacket; one side of the bottom of the extraction tank is communicated with one side of the upper end of the evaporation tank through a discharging pipe, a connecting pipe is connected above one side of the evaporation tank, the connecting pipe is connected with the top of the material receiving box after penetrating through the condensation box, and a spiral condensation pipe is wound on the connecting pipe in the condensation box. The device has the advantages of simple structure, good extraction effect and high efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of solvent refining, in particular to an impurity separation device for refining waste lubricating oil solvent. Background Art

[0002] Waste lubricating oil is lubricating oil that is no longer suitable for continued use due to contamination or wear during use. Waste lubricating oil usually contains various impurities, such as solid particles, heavy metals, resins, acidic substances, etc. Since waste lubricating oil may have a negative impact on the environment, it needs to be treated and managed to reduce pollution to the environment and achieve resource recycling. When treating waste lubricating oil, waste lubricating oil solvent refining can be used to improve the performance of the lubricating oil and large-scale refining of lubricating oil fractions to remove impurities and non-ideal components. However, most of the existing extraction devices cannot fully fuse the solution to be extracted with the extract, which makes the extraction not thorough enough, thereby affecting the quality of the extraction. Utility Model Content

[0003] In order to solve the above technical problems, the utility model specifically adopts the following technical solutions.

[0004] An impurity separation device for solvent refining of waste lubricating oil is designed, comprising an extraction tank, a feed port is connected to the upper side of the extraction tank, a stirring mechanism is arranged in the extraction tank, an evaporation tank, a condensation tank and a material receiving box are arranged below the extraction tank, a liquid outlet pipe is connected to the lower side of the evaporation tank, and a water outlet pipe is connected to the lower side of the condensation tank;

[0005] A jacket is provided on the periphery of the evaporation tank, a cavity is formed between the jacket and the outer wall of the evaporation tank, and a water inlet and a water outlet are respectively provided on the front and rear sides of the jacket;

[0006] The bottom side of the extraction tank is connected to the upper side of the evaporation tank through a discharge pipe. A connecting pipe is connected above one side of the evaporation tank. The connecting pipe passes through a condensation box and is connected to the top of a receiving box. A spiral condensation pipe is coiled on the connecting pipe in the condensation box.

[0007] Preferably, the stirring mechanism includes a hollow shaft with one end rotatably arranged on the side wall of the extraction tank, the other end of the hollow shaft is rotatably arranged inside the extraction tank through a connecting rod, a rotating rod is rotatably arranged at the other end of the extraction tank, stirring rods are respectively provided on the rotating rod and the hollow shaft, and the other end of the rotating rod is rotatably extended out of the hollow shaft, and is connected to a driving component that rotates the hollow shaft and the rotating rod in opposite directions.

[0008] Preferably, a box body is connected to one end of the extraction tank, and the driving assembly includes a driving motor arranged in the box body. The hollow shaft and the rotating rod extend into the box body respectively, and the driving motor is coaxially connected to the rotating rod, and a main bevel gear is provided on the rotating rod, and a slave bevel gear is provided on the hollow shaft. A hanging rod is rotatably hoisted on the top of the box body, and a transmission gear meshing with the main bevel gear and the slave bevel gear is provided at the bottom of the hanging rod.

[0009] Preferably, a plurality of evenly staggered baffles are sequentially arranged in the evaporation tank from top to bottom.

[0010] Preferably, a plurality of flow holes are respectively provided on each baffle.

[0011] Preferably, the bottom of the extraction tank is connected to the top of the condensation tank and the evaporation tank through supporting legs, respectively, and the bottom of the condensation tank is also connected to the top of the material receiving box through supporting legs.

[0012] Preferably, a common base is provided at the bottom of the material receiving box and the evaporation tank.

[0013] The beneficial effects of the utility model are:

[0014] The utility model utilizes a transmission gear to mesh with a main bevel gear and a slave bevel gear on a rotating rod and a hollow shaft respectively, so that the stirring directions of the stirring rods on the rotating rod and the hollow shaft are opposite, so that the mixed liquid in the extraction tank is stirred and mixed more fully and evenly, thereby accelerating the extraction and improving the extraction efficiency; and a cavity is arranged on the evaporation tank in a jacketed manner, and heating oil is introduced into the cavity to distill and extract the solution in the evaporation tank, and during the extraction, the liquid passes through a plurality of staggered baffles to reduce the flow rate of the solution, so that the solution evaporates more fully, and the extracted liquid enters the condensation tank, and is condensed on the distilled liquid through a spiral condensation tube, and the spiral condensation tube can make the liquid condense more fully, so as to improve the condensation effect, and thus quickly obtain a pure solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] The numbers in the figure are: 1 extraction tank, 2 stirring rod, 3 connecting rod, 4 rotating rod, 5 discharge pipe, 6 supporting leg, 7 jacket, 8 cavity, 9 evaporation tank, 10 baffle, 11 flow hole, 12 liquid discharge pipe, 13 base, 14 receiving box, 15 water outlet pipe, 16 connecting pipe, 17 condenser, 18 condensation tank, 19 box, 20 driving motor, 21 main bevel gear, 22 transmission gear, 23 suspension rod, 24 slave bevel gear, 25 feed port, 26 hollow shaft. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0018] Example 1

[0019] An impurity separation device for waste lubricating oil solvent refining, such as Figure 1 As shown, it includes an extraction tank 1, a feed port 25 is connected to the upper side of the extraction tank 1, a stirring mechanism is arranged in the extraction tank 1, and the stirring mechanism includes a hollow shaft 26 rotatably arranged on the side wall of the extraction tank 1 at one end, and the other end of the hollow shaft 26 is rotatably arranged inside the extraction tank 1 through a connecting rod 3, and a rotating rod 4 is rotatably arranged at the other end of the extraction tank 1, and a plurality of stirring rods 2 are respectively arranged on the rotating rod 4 and the hollow shaft 26, and the stirring rods 2 are staggered and arranged in a serpentine shape to enhance the stirring effect of the mixed liquid, and the other end of the rotating rod 4 is rotatably extended to extend the hollow shaft 26, and is connected to a driving component that rotates the hollow shaft 26 and the rotating rod 4 in opposite directions. A housing 19 is connected to one end of the extraction tank 1. The driving assembly includes a driving motor 20 disposed in the housing 19. The hollow shaft 26 and the rotating rod 4 extend into the housing 19 respectively. The driving motor 20 is coaxially connected to the rotating rod 4. A main bevel gear 21 is disposed on the rotating rod 4. A secondary bevel gear 24 is disposed on the hollow shaft 26. A suspension rod 23 is rotatably suspended at the top of the housing 19. A transmission gear 22 meshing with the main bevel gear 21 and the secondary bevel gear 24 is disposed at the bottom of the suspension rod 23. The transmission gear 22 can make the rotating rod 4 and the hollow shaft 26 rotate in opposite directions, so that the stirring rods on the rotating rod and the hollow shaft rotate in opposite directions, thereby improving the stirring and mixing effect.

[0020] An evaporation tank 9, a condensation tank 18 and a material receiving box 14 are respectively provided below the extraction tank 1. A liquid outlet pipe 12 is connected to the lower side of the evaporation tank 9, and a water outlet pipe 15 is connected to the lower side of the condensation tank 18.

[0021] A jacket 7 is provided on the periphery of the evaporation tank 9, a cavity 8 is formed between the jacket 7 and the outer wall of the evaporation tank 9, and a water inlet and a water outlet are provided on the front and rear sides of the jacket 7 respectively; heating oil is injected into the cavity 8 through the water inlet, and the heating oil can be discharged through the water outlet.

[0022] The bottom side of the extraction tank 1 is connected to the upper side of the evaporation tank 9 through the discharge pipe 5. A connecting pipe 16 is connected above one side of the evaporation tank 9. The connecting pipe 16 passes through the condensation tank 18 and is connected to the top of the receiving box 14. A spiral condensation pipe 17 is coiled on the connecting pipe 16 in the condensation tank 18. The spiral condensation pipe 17 can improve the condensation effect.

[0023] In order to further improve the distillation effect of the liquid, a plurality of evenly staggered baffles 10 are sequentially arranged from top to bottom in the evaporation tank 9 to make the liquid distillation more complete.

[0024] In order to reduce the resistance borne by the spoiler 10 , a plurality of flow holes 11 are respectively opened on each spoiler 10 .

[0025] The bottom of the extraction tank 1 is connected to the top of the condensation tank 18 and the evaporation tank 9 through the support legs 6, and the bottom of the condensation tank 18 is also connected to the top of the material receiving box 14 through the support legs 6. The same base 13 is provided at the bottom of the material receiving box 14 and the evaporation tank 9, and universal wheels can be installed at the bottom of the base 13. The whole device is connected as a whole, which is more convenient to move.

[0026] When the utility model is used, the required liquid is added from the feed port 25, the driving motor 20 is turned on, the rotating rod 4 rotates, the main bevel gear 21 rotates therewith, and then the transmission gear 23 meshing therewith rotates, and drives the slave bevel gear 24 to rotate, so that the hollow shaft 26 rotates in the opposite direction, and then the corresponding stirring rod 2 is rotated under the drive of the rotating rod 4 and the hollow shaft 26, and the multiple stirring rods 2 stir and mix the mixed liquid in the extraction tank 1, and the stirring rods 2 on the rotating rod 4 and the hollow shaft 26 rotate in opposite directions, which can make the mixed liquid more evenly mixed, thereby improving the efficiency and quality of the extraction, and then open the valve on the discharge pipe 5 to discharge the solution to the evaporation tank 9, under the action of the heating oil, the extracted solution is distilled and extracted, so as to facilitate the extraction of the required liquid, the distilled liquid is transported to the condensation tank 18 through the connecting pipe 16, and the distilled liquid is condensed under the action of the condensation pipe 17, so as to quickly obtain pure liquid, and the condensed solution is discharged into the receiving box 14 below.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An impurity separation device for waste lubricating oil solvent refining, characterized in that: The invention comprises an extraction tank (1), wherein a feed port (25) is connected to the upper side of one side of the extraction tank (1), a stirring mechanism is arranged in the extraction tank (1), an evaporation tank (9), a condensation tank (18) and a material receiving box (14) are arranged below the extraction tank (1), a liquid outlet pipe (12) is connected to the lower side of one side of the evaporation tank (9), and a water outlet pipe (15) is connected to the lower side of one side of the condensation tank (18); A jacket (7) is provided on the periphery of the evaporation tank (9), a cavity (8) is formed between the jacket (7) and the outer wall of the evaporation tank (9), and a water inlet and a water outlet are respectively provided on the front and rear sides of the jacket (7); The bottom side of the extraction tank (1) is connected to the upper side of the evaporation tank (9) via a discharge pipe (5), and a connecting pipe (16) is connected above one side of the evaporation tank (9). The connecting pipe (16) passes through a condensation tank (18) and is connected to the top of a material receiving box (14). A spiral condensation pipe (17) is coiled on the connecting pipe (16) in the condensation tank (18).

2. The impurity separation device for solvent refining of waste lubricating oil according to claim 1, characterized in that: The stirring mechanism comprises a hollow shaft (26) with one end rotatably arranged on the side wall of the extraction tank (1); the other end of the hollow shaft (26) is rotatably arranged inside the extraction tank (1) through a connecting rod (3); a rotating rod (4) is rotatably arranged at the other end of the extraction tank (1); stirring rods (2) are respectively arranged on the rotating rod (4) and the hollow shaft; the other end of the rotating rod (4) is rotatably extended from the hollow shaft (26), and a driving assembly is connected to make the hollow shaft (26) and the rotating rod (4) rotate in opposite directions.

3. The impurity separation device for solvent refining of waste lubricating oil according to claim 2, characterized in that: A housing (19) is connected to one end of the extraction tank (1), the driving assembly comprises a driving motor (20) arranged in the housing (19), the hollow shaft (26) and the rotating rod (4) respectively extend into the housing (19), the driving motor (20) is coaxially connected to the rotating rod (4), a main bevel gear (21) is arranged on the rotating rod (4), a slave bevel gear (24) is arranged on the hollow shaft (26), a suspension rod (23) is rotatably suspended at the top of the housing (19), and a transmission gear (22) is arranged at the bottom of the suspension rod (23) and is respectively meshed with the main bevel gear (21) and the slave bevel gear (24).

4. The impurity separation device for solvent refining of waste lubricating oil according to claim 1, characterized in that: A plurality of evenly staggered baffles (10) are arranged in sequence from top to bottom in the evaporation tank (9).

5. The impurity separation device for waste lubricating oil solvent refining as claimed in claim 4, characterized in that: A plurality of flow holes (11) are respectively provided on each baffle plate (10).

6. The impurity separation device for waste lubricating oil solvent refining according to claim 1, characterized in that: The bottom of the extraction tank (1) is connected to the top of the condensation tank (18) and the top of the evaporation tank (9) through supporting legs (6), and the bottom of the condensation tank (18) is also connected to the top of the material receiving box (14) through supporting legs (6).

7. The impurity separation device for waste lubricating oil solvent refining as claimed in claim 1, characterized in that: A common base (13) is provided at the bottom of the material receiving box (14) and the evaporation tank (9).

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