Equipment for rapidly determining relative content of non-ideal components in waste mineral oil type lubricating oil

Abstract

The invention relates to the technical field of mineral oil detection, in particular to equipment for rapidly determining the relative content of non-ideal components in waste mineral oil type lubricating oil, which comprises a box body, a dehydration box, an extraction box, an additive box and a controller are arranged in the box body, and a heating plate I is arranged at the bottom of the dehydration box; the heating plate I is used for removing moisture of waste mineral oil type lubricating oil in the dehydration box; the extraction box is respectively connected with the dehydration box and the additive box through a pump body and a pipeline; a stirring mechanism and a heating plate II are arranged in the extraction box; the device further comprises a visual camera, the visual camera is used for observing layering data in the extraction box and transmitting the layering data to a controller, and the controller is used for controlling operation of the first heating plate, the second heating plate and the stirring motor. The method has the advantages of automatic detection, accurate detection and high efficiency, and solves the problems of long time consumption, high requirements on instruments, equipment and operators, incapability of realizing automatic detection and incapability of meeting the rapid determination requirement of factories in the prior art.

Description

Technical Field

[0001] The invention relates to the technical field of mineral oil detection, in particular to a device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil. Background Art

[0002] Among the waste mineral oil lubricant recycling products in my country, waste lubricants and industrial oils account for the largest market share, exceeding 80%. Most waste mineral oil lubricants are still lubricant base oils, and the deteriorated part of waste mineral oil lubricants is less than 10%. Waste mineral oil lubricants can produce base oils for lubricants.

[0004] In order to improve product yield and quality, reduce production costs, and improve production efficiency, when waste mineral oil lubricant regeneration manufacturers purchase waste mineral oil lubricants for the purpose of regenerating lubricant base oil, they need to quickly measure the key physical properties of waste mineral oil lubricants, evaluate the quality of waste mineral oil lubricants, and price them according to quality to prevent adulteration. The existing technology requires at least 4 hours to determine the content of non-ideal components, which has the defect of being time-consuming and has high requirements for instruments and operators. It cannot meet the factory's rapid measurement requirements and cannot achieve automated detection. To this end, we propose a device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricants. Summary of the invention

[0005] The purpose of the present invention is to provide a device for quickly determining the relative content of non-ideal components in waste mineral oil lubricants, which has the advantages of automated detection, accurate detection and high efficiency, and solves the problems that the prior art is time-consuming, has high requirements on instruments and equipment and operators, cannot realize automated detection, and cannot meet the rapid determination requirements of the factory.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricants, comprising a box body, wherein a dehydration box, an extraction box, an additive box and a controller are arranged in the box body, and a heating plate 1 is arranged at the bottom of the dehydration box, and the heating plate 1 is used to remove moisture from the waste mineral oil lubricants in the dehydration box;

[0007] The extraction box is connected to the dehydration box and the additive box through a pump body and a pipeline respectively, and the controller is used to control the pump body to suck the dehydrated waste mineral oil lubricating oil into the extraction box, and to control the pump body to suck the extractant in the additive box into the extraction box;

[0008] The extraction box is provided with a stirring mechanism and a second heating plate, wherein the stirring mechanism is used to mix the dehydrated waste mineral oil lubricating oil and the extractant, and the second heating plate is used to heat the mixed liquid;

[0009] It also includes a visual camera, which is used to observe the stratification data in the extraction box and transmit the data to the controller, and the controller is used to control the operation of the heating plate 1, the heating plate 2 and the stirring motor.

[0010] Preferably, the dehydration tank is connected to the extraction tank via an oil pipeline and an oil pump, and the extraction tank is connected to the additive tank via an additive tube and a water pump. Flow meters are provided on the oil pipeline and the additive tube, and the flow meters are used to control the amount of waste mineral oil lubricant and the amount of extractant added to the extraction tank.

[0011] Preferably, an oil drain pipe is provided at the bottom of the extraction box, and an oil drain valve is provided on the oil drain pipe.

[0012] Preferably, a heating plate three is provided at the bottom of the additive box, and the heating plate three is used for preheating the additive.

[0013] Preferably, an exhaust pipe connected to the outside of the dehydration box is provided on the top of the dehydration box, and an exhaust valve is provided on the exhaust pipe.

[0014] Preferably, the dehydration box is provided with an oil inlet pipe, and the oil inlet pipe is provided with an oil pump 2 and a flow meter.

[0015] Preferably, a hollow partition is provided in the dehydration box, a water inlet pipe is connected to the bottom of the hollow partition, a water inlet valve is provided on the water inlet pipe, and an overflow pipe is provided on the top of the hollow partition.

[0016] Preferably, the visual camera is mounted on a guide rod, an electric telescopic rod is provided in the box, the electric telescopic rod is used to drive the visual camera to rise and fall along the guide rod, and the extraction box is made of transparent material and is provided with scale lines.

[0017] Preferably, the stirring mechanism is connected to the extraction box via a telescopic guide rod and a second electric telescopic rod, and the second electric telescopic rod is used to drive the stirring mechanism as a whole to descend into the mixed liquid for stirring, and to drive the stirring mechanism as a whole to move upward out of the mixed liquid;

[0018] The stirring mechanism comprises a stirring motor arranged outside the extraction box, and the output shaft of the stirring motor is connected with a stirring rod and a stirring frame inside the extraction box.

[0019] Preferably, the dehydration box, the extraction box and the additive box are all provided with temperature sensors, and the temperature sensors are used to obtain temperature changes and send them to the controller, and the controller is provided with a timer.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention sets a dehydration box, an extraction box and an additive box, controls the dehydration box to heat and remove moisture through a controller, then controls the pump body to pump the waste oil from which moisture has been removed to the extraction box, controls the pump body to absorb the extractant and add it to the extraction box, controls the heating plate in the extraction box to heat, and stirs the stirring mechanism to achieve rapid and automated extraction. After the extraction is completed, the stratification phenomenon is observed through a visual camera, and the controller calculates the relative volume solubility of non-ideal components in the waste mineral oil lubricating oil. And determine its doping degree, use automated detection, no manual operation is required, the detection time is controlled within 1 hour, the detection is accurate and efficient, and solves the problem that the prior art is time-consuming, has high requirements on instruments and operators, cannot achieve automated detection, and cannot meet the rapid determination requirements of the factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the dehydration box of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the extraction box of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the additive box of the present invention.

[0026] In the figure: 1. box body; 2. dehydration box; 3. extraction box; 4. additive box; 5. heating plate 1; 6. heating plate 2; 7. stirring motor; 8. stirring rod; 9. stirring frame; 10. visual camera; 11. oil pipeline; 12. oil pump 1; 13. water pump; 14. additive pipe; 15. flow meter; 16. oil drain pipe; 17. oil drain valve; 18. controller; 19. heating plate 3; 20. support leg; 21. exhaust pipe; 22. exhaust valve; 23. oil inlet pipe; 24. oil pump 2; 25. hollow partition; 26. water inlet pipe; 27. water inlet valve; 28. overflow pipe; 29. ​​display screen; 30. control button; 31. electric telescopic rod 1; 32. guide rod; 33. scale line; 34. telescopic guide rod; 35. electric telescopic rod 2; 36. temperature sensor. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments 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.

[0028] Embodiment 1:

[0029] See also Figure 1-4 As shown, the device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricants includes a box body 1, in which a dehydration box 2, an extraction box 3, an additive box 4 and a controller 18 are arranged. A heating plate 5 is arranged at the bottom of the dehydration box 2, and the heating plate 5 is used to remove the moisture of the waste mineral oil lubricants in the dehydration box 2; an observation window is also arranged on the box body 1, and a support leg 20 is arranged at the bottom. The controller 18 adopts a PLC programmable logic controller 18, which is provided with a display screen 29 and a control button 30, so as to facilitate viewing data and setting parameters.

[0030] The extraction box 3 is connected to the dehydration box 2 and the additive box 4 through a pump body and a pipeline respectively. The controller 18 is used to control the pump body to suck the dehydrated waste mineral oil lubricating oil into the extraction box 3, and to control the pump body to suck the extractant in the additive box 4 into the extraction box 3;

[0031] The extraction box 3 is provided with a stirring mechanism and a heating plate 2 6, the stirring mechanism is used to mix the dehydrated waste mineral oil lubricating oil and the extractant, and the heating plate 2 6 is used to heat the mixed liquid;

[0032] It also includes a visual camera 10, which is used to observe the stratification data in the extraction box 3 and transmit it to the controller 18. The controller 18 is used to control the operation of the heating plate 1 5, the heating plate 2 6 and the stirring motor 7.

[0033] By setting up a dehydration box 2, an extraction box 3 and an additive box 4, the controller 18 controls the dehydration box 2 to heat and remove moisture, and then controls the pump body to pump the waste oil from which moisture has been removed to the extraction box 3. At the same time, the pump body is controlled to absorb the extractant and add it to the extraction box 3, and the heating plate in the extraction box 3 is controlled to heat, and the stirring mechanism is controlled to stir to achieve rapid and automated extraction. After the extraction is completed, the stratification phenomenon is observed by the visual camera 10, and the controller 18 calculates the relative volume solubility of the non-ideal components in the waste mineral oil lubricant. And determine its doping degree, use automated detection, no manual operation is required, the detection time is controlled within 1 hour, the detection is accurate and efficient

[0034] Embodiment 2:

[0035] On the basis of the first embodiment, the dehydration box 2 is connected to the extraction box 3 through the oil pipe 11 and the oil pump 12, and the extraction box 3 is connected to the additive box 4 through the additive pipe 14 and the water pump 13. The oil pipe 11 and the additive pipe 14 are both provided with a flow meter 15, and the flow meter 15 is used to control the amount of waste mineral oil lubricating oil and the amount of extractant added to the extraction box 3. By providing the flow meter 15, the volume of the dehydrated oil sample and the volume of the extractant can be controlled.

[0036] The dehydration box 2, the extraction box 3 and the additive box 4 are all provided with a temperature sensor 36, which is used to obtain temperature changes and send them to the controller 18, and a timer is provided on the controller 18. By providing the temperature sensor 36, the temperature in the dehydration box 2 and the extraction box 3 can be controlled, and the heating time and the extraction time can be controlled by the timer.

[0037] The heating plate 5 in the dehydration box 2 is controlled by the controller 18 to heat up to 120-160°C in 5-10min. Preferably, it is heated to 160°C in 8min. Heat to remove moisture, then control the pump body to pump V1ml of waste oil with moisture removed to the extraction box 3, and at the same time control the pump body to absorb V2ml of extractant and add it to the extraction box 3, and the volume ratio of V2 to V1 is 1:2-2:1. Control the heating plate 26 in the extraction box 3 to heat, so that the extraction temperature is maintained at 50-80°C, and the extraction time is 15-30min. It is preferably carried out at 70°C and maintained for 30min. During the extraction process, the stirring mechanism stirs to achieve rapid and automated extraction. The extraction solvent is selected from at least one of N-methylpyrrolidone, furfural or dimethylformamide. The preferred extraction solvent is N-methylpyrrolidone, and the preferred volume ratio of V2 to V1 is 1:1.

[0038] After the extraction is completed, the stratification phenomenon is observed by the visual camera 10 to obtain V3mL of the extraction phase and the raffinate phase, and the relative volume concentration A of the non-ideal components in the waste mineral oil lubricant is calculated using the following formula: A=V3-0.9V2 / V1×100%.

[0039] Finally, the controller 18 calculates the relative volume solubility of the non-ideal components in the waste mineral oil lubricating oil and determines the degree of doping. It adopts automatic detection without manual operation, and the detection time is controlled within 1 hour. The detection is accurate and efficient.

[0040] Embodiment three:

[0041] On the basis of the second embodiment, an oil drain pipe 16 is provided at the bottom of the extraction box 3, and an oil drain valve 17 is provided on the oil drain pipe 16. By providing the oil drain pipe 16 and the oil drain valve 17, it is convenient for the controller 18 to control the extraction box 3 to discharge the oil after detection. This makes it convenient to clean up the waste oil. By providing a heating plate 3 19 at the bottom of the additive box 4, the heating plate 3 19 can preheat the additive to 50-80°C in advance. Improve the detection efficiency.

[0042] Embodiment 4:

[0043] On the basis of the third embodiment, the top of the dehydration box 2 is provided with an exhaust pipe 21 connected to the outside of the box body 1, and an exhaust valve 22 is provided on the exhaust pipe 21. By providing the exhaust pipe 21, the water vapor generated by dehydration can be discharged to prevent the water vapor from entering the inside of the box body 1 and affecting the operation of other components. The exhaust valve 22 can detect the amount of discharged water vapor, which is used as a reference for the degree of dehydration.

[0044] The dehydration box 2 is provided with an oil inlet pipe 23, and the oil inlet pipe 23 is provided with an oil pump 24 and a flow meter 15. By providing the oil pump 24 and the flow meter 15, the dehydration box 2 can automatically absorb waste oil and record the amount of oil absorbed.

[0045] A hollow partition 25 is provided in the dehydration box 2, a water inlet pipe 26 is connected to the bottom of the hollow partition 25, a water inlet valve 27 is provided on the water inlet pipe 26, and an overflow pipe 28 is provided on the top of the hollow partition 25. By injecting water into the hollow partition 25, the oil temperature of 120-160°C required for dehydration can be reduced to 50-80°C required for extraction in a short time after dehydration is completed, thereby further improving the detection efficiency. The hollow partition 25 avoids contact between water and oil and will not affect dehydration.

[0046] Embodiment five:

[0047] On the basis of the fourth embodiment, the visual camera 10 is installed on the guide rod 32, and an electric telescopic rod 31 is provided in the box body 1. The electric telescopic rod 31 is used to drive the visual camera 10 to rise and fall along the guide rod 32. The extraction box 3 is made of transparent material and is provided with scale lines 33. By providing the guide rod 32 and the electric telescopic rod 31, the visual camera 10 can be driven to rise and fall, and then the height of the visual camera 10 relative to the extraction box 3 can be adjusted so that the visual camera 10 is just aligned with the scale line 33 at the layer, avoiding misreading and deviation of the volume due to looking up or looking down.

[0048] The stirring mechanism is connected to the extraction box 3 through a telescopic guide rod 34 and an electric telescopic rod 35. The electric telescopic rod 35 is used to drive the stirring mechanism as a whole to descend into the mixed liquid for stirring, and to drive the stirring mechanism as a whole to move upward out of the mixed liquid. By setting a lifting guide rod 32 and an electric telescopic rod 35, the stirring mechanism can be driven to rise and fall. By separating the stirring mechanism from the mixed liquid, the mixed liquid can be allowed to stand for about 10 minutes, and the stirring frame 9 can be prevented from affecting the reading of the visual camera 10.

[0049] The stirring mechanism includes a stirring motor 7 disposed outside the extraction box 3, and an output shaft of the stirring motor 7 is connected to a stirring rod 8 and a stirring frame 9 inside the extraction box 3. By providing the stirring mechanism, the extraction efficiency of the extractant is improved.

[0050] 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 device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricants, characterized in that: The invention comprises a box body (1), wherein a dehydration box (2), an extraction box (3), an additive box (4) and a controller (18) are arranged in the box body (1); a heating plate (5) is arranged at the bottom of the dehydration box (2), and the heating plate (5) is used to remove moisture from the waste mineral oil lubricating oil in the dehydration box (2); The extraction box (3) is connected to the dehydration box (2) and the additive box (4) respectively through a pump body and a pipeline, and the controller (18) is used to control the pump body to suck the dehydrated waste mineral oil lubricating oil into the extraction box (3), and to control the pump body to suck the extractant in the additive box (4) into the extraction box (3); The extraction box (3) is provided with a stirring mechanism and a second heating plate (6), wherein the stirring mechanism is used to mix the dehydrated waste mineral oil lubricating oil and the extractant, and the second heating plate (6) is used to heat the mixed liquid; It also includes a visual camera (10), which is used to observe the stratification data in the extraction box (3) and transmit it to the controller (18). The controller (18) is used to control the operation of the heating plate 1 (5), the heating plate 2 (6) and the stirring motor (7).

2. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: The dehydration box (2) is connected to the extraction box (3) via an oil delivery pipe (11) and an oil pump (12); the extraction box (3) is connected to the additive box (4) via an additive pipe (14) and a water pump (13); flow meters (15) are provided on the oil delivery pipe (11) and the additive pipe (14); the flow meters (15) are used to control the amount of waste mineral oil lubricating oil and the amount of extractant added to the extraction box (3).

3. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: An oil drain pipe (16) is provided at the bottom of the extraction box (3), and an oil drain valve (17) is provided on the oil drain pipe (16).

4. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: A heating plate three (19) is arranged at the bottom of the additive box (4), and the heating plate three (19) is used to preheat the additive.

5. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: An exhaust pipe (21) communicating with the outside of the box body (1) is arranged on the top of the dehydration box (2), and an exhaust valve (22) is arranged on the exhaust pipe (21).

6. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: The dehydration box (2) is provided with an oil inlet pipe (23), and the oil inlet pipe (23) is provided with an oil pump 2 (24) and a flow meter (15).

7. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: A hollow partition (25) is arranged in the dehydration box (2), a water inlet pipe (26) is connected to the bottom of the hollow partition (25), a water inlet valve (27) is arranged on the water inlet pipe (26), and an overflow pipe (28) is arranged on the top of the hollow partition (25).

8. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: The visual camera (10) is mounted on a guide rod (32); an electric telescopic rod (31) is arranged in the box body (1); the electric telescopic rod (31) is used to drive the visual camera (10) to rise and fall along the guide rod (32); the extraction box (3) is made of transparent material and is provided with scale lines (33).

9. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: The stirring mechanism is connected to the extraction box (3) via a telescopic guide rod (34) and a second electric telescopic rod (35), and the second electric telescopic rod (35) is used to drive the stirring mechanism as a whole to descend into the mixed liquid for stirring, and to drive the stirring mechanism as a whole to move upward out of the mixed liquid; The stirring mechanism comprises a stirring motor (7) arranged outside the extraction box (3), and the output shaft of the stirring motor (7) is connected to a stirring rod (8) and a stirring frame (9) inside the extraction box (3).

10. The device for rapidly determining the relative content of non-ideal components in waste mineral oil lubricating oil according to claim 1, characterized in that: The dehydration box (2), the extraction box (3) and the additive box (4) are all provided with a temperature sensor (36), and the temperature sensor (36) is used to obtain temperature changes and send them to the controller (18), and the controller (18) is provided with a timer.

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