CN114164021B - Lubricating oil refining device and lubricating oil refining method - Google Patents
Lubricating oil refining device and lubricating oil refining method Download PDFInfo
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- CN114164021B CN114164021B CN202111469455.4A CN202111469455A CN114164021B CN 114164021 B CN114164021 B CN 114164021B CN 202111469455 A CN202111469455 A CN 202111469455A CN 114164021 B CN114164021 B CN 114164021B
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- lubricating oil
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to the field of lubricating oil refining, in particular to a lubricating oil refining device and a lubricating oil refining method. The conventional stirring device has poor stirring effect, can not fully decompose impurities and non-ideal components in the lubricating oil by the solvent, and reduces the refining efficiency of the lubricating oil. The invention can stir the lubricating oil and the solvent rapidly and efficiently, so that the solvent can fully decompose impurities and non-ideal components in the lubricating oil, and the problem of low refining efficiency of the lubricating oil is solved.
Description
Technical Field
The invention relates to the field of lubricating oil refining, in particular to a lubricating oil refining device and a lubricating oil refining method.
Background
The rust-proof lubricating oil mainly refers to film-type rust-proof oil, and can not only rust-proof metal, but also lubricate. The oil is also called penetrating lubricating oil, and the lubricating oil with lower surface tension expands on the surface of the metal to form a film, so that air and moisture are prevented from contacting with the lubricating oil, thereby preventing the metal parts from rusting, simultaneously lubricating the movable metal parts, reducing abrasion and saving energy consumption.
The production of antirust lubricating oil generally needs to go through a plurality of processes, the refining of the lubricating oil is the most important process, the refining of the lubricating oil is the technological process for removing impurities and non-ideal components contained in the lubricating oil by an extraction method, the solvent which is not compatible with the lubricating oil is generally adopted to mutually convect and stir the lubricating oil, the impurities and the non-ideal components in the lubricating oil can be decomposed by the solvent in the process of being compatible with the lubricating oil, so that the refining of the lubricating oil is realized, and at present, the conventional stirring device cannot sufficiently decompose the impurities and the non-ideal components in the lubricating oil due to the incompatibility of the solvent and the lubricating oil when the solvent and the lubricating oil are stirred, so that the refining efficiency of the lubricating oil is reduced, and meanwhile, tiny particles which cannot be dissolved are always present in the lubricating oil, and the quality of finished lubricating oil is influenced by the conventional stirring device cannot filter the tiny particles.
Disclosure of Invention
In order to solve the problems, the invention provides a lubricating oil refining device and a lubricating oil refining method, which can rapidly and efficiently stir lubricating oil and solvent, so that the solvent fully decomposes impurities and non-ideal components in the lubricating oil, solves the problem of low lubricating oil refining efficiency, can filter fine particles in the lubricating oil while stirring, and improves the processing quality of the lubricating oil.
In order to achieve the above purpose, the technical scheme is that the lubricating oil refining device comprises a fixing module and a stirring module, wherein the fixing module is of a barrel-shaped structure, a chute of an annular structure is formed in the inner wall of the fixing module, a sliding block is slidably installed in the chute, limiting blocks are fixedly installed at the top and the bottom of the sliding block, limiting grooves are respectively formed in the top and the bottom of the inner wall of the chute, one end, far away from the sliding block, of the limiting block is respectively and slidably connected with the corresponding limiting grooves, a lifting groove is formed in one side, far away from the inner wall of the chute, of the sliding block, a circular pipe is inserted in the fixing module, a connecting plate is symmetrically and fixedly installed on the outer wall of the circular pipe, and one end, far away from the circular pipe, of the connecting plate is inserted in the corresponding lifting groove;
the stirring module is of a disc-shaped structure, the stirring module is in flange connection at the top of the fixing module, through grooves are symmetrically formed in the outer wall of the round tube, connecting frames are inserted in the through grooves, a hydraulic cylinder is fixedly arranged at the bottom of the stirring module, a first motor is fixedly arranged at the output end of the hydraulic cylinder, the output end of the first motor extends into the fixing module and is fixedly connected with the top of the connecting frame, two ends of the connecting frame penetrate through the through grooves and extend into the fixing module, the bottom of the connecting frame is of a circular arc-shaped structure and is provided with clamping grooves, a rotating ring is arranged below the connecting frame and is movably connected with the clamping grooves, the rotating ring penetrates through the outer side of the round tube and is sleeved with the through grooves, a plurality of inner grooves are uniformly formed in the rotating ring along the circumferential direction of the rotating ring, a plurality of notches are uniformly formed in the inner ring wall of the rotating ring, and the notches are in one-to-one correspondence and are communicated with the inner grooves.
As a preferable technical scheme of the invention, a filter screen is fixedly arranged at the bottom of the circular tube, the filter screen consists of a first filter plate and a second filter plate, the first filter plate is arranged above the second filter plate, filter holes are formed in the first filter plate and the second filter plate, the filter holes in the first filter plate are larger than the filter holes in the second filter plate, a plurality of semicircular guide blocks are uniformly arranged at the top of the second filter plate, and the guide blocks are in one-to-one correspondence with the filter holes in the first filter plate.
As a preferable technical scheme of the invention, a second motor is fixedly arranged in the connecting frame, a transmission gear is fixedly arranged at the output end of the second motor, a tooth groove is formed in the outer annular wall of the rotating ring, and one side of the transmission gear penetrates through the connecting frame and extends into the tooth groove to be meshed with the tooth groove.
As a preferable technical scheme of the invention, a plurality of balls are uniformly inserted on the inner wall of the clamping groove, and the balls are contacted with the rotating ring.
As a preferable technical scheme of the invention, pressing blocks are symmetrically arranged on the inner wall of the through groove and below the connecting frame, and the top of each pressing block is of an arc-shaped structure and corresponds to the arc-shaped structure at the bottom of the connecting frame.
As a preferable technical scheme of the invention, the bottom of the inner wall of the fixed module is in a circular arc structure and corresponds to the rotating ring.
As a preferable technical scheme of the invention, the limiting block is of a cylindrical structure, the outer wall of the limiting block is sleeved with a bearing, and the bearing is contacted with the inner wall of the limiting groove which is correspondingly arranged.
As a preferable technical scheme of the invention, a guide rod is fixedly arranged in the lifting groove, the guide rod penetrates through the corresponding connecting plate and is in sliding connection with the connecting plate, a spring is sleeved on the outer side of the guide rod, and the top of the spring is in contact with the corresponding connecting plate.
As a preferred embodiment of the present invention, a method for refining rust preventive lubricating oil using a lubricating oil refining apparatus, the method for refining rust preventive lubricating oil using the lubricating oil refining apparatus comprising:
s1, checking the device: before starting the lubricating oil refining treatment device to refine the rust-proof lubricating oil, checking the operation of the device;
s2, introducing raw materials: sequentially introducing lubricating oil and solvent into a fixed module in the lubricating oil refining device checked in the step S1, precipitating the lubricating oil and the solvent, and then separating the lubricating oil and the solvent from each other;
s3, stirring and decomposing: and (2) inserting the stirring module into the S2 introduced lubricating oil and solvent and fixing module and closing the stirring module, sealing the lubricating oil and solvent introduced into the fixing module, and stirring the lubricating oil and the solvent by the stirring module so as to fully decompose non-ideal components in the lubricating oil.
The invention has the beneficial effects that:
1. the invention can stir lubricating oil and solvent rapidly and efficiently, so that the solvent can fully decompose impurities and non-ideal components in the lubricating oil, the problem of low refining efficiency of the lubricating oil is solved, fine particles in the lubricating oil can be filtered while stirring, and the processing quality of the lubricating oil is improved.
2. The invention designs the connecting frame, the rotating ring can be connected and driven to rotate through the connecting frame, lubricating oil can be collected in a reciprocating cycle through the rotation of the rotating ring and conveyed into the circular tube to be mixed with a solvent in the circular tube, then the lubricating oil is automatically settled and separated from the circular tube, so that the decomposition of non-ideal components in the lubricating oil is realized, meanwhile, the lifting and the rotation of the connecting frame and the rotating ring can be realized under the driving of the hydraulic cylinder and the first motor, the rotating ring can collect the lubricating oil in an omnibearing way, the problem of low refining efficiency of the lubricating oil is solved, the settled lubricating oil can be filtered through the filter screen, and the residual fine particles in the lubricating oil are removed through the filter screen, so that the processing quality of the lubricating oil is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the present invention in perspective cut-away;
FIG. 3 is a schematic perspective cut-away view of the stationary module of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the chute of the present invention;
FIG. 5 is a schematic cross-sectional view of the screen of the present invention;
FIG. 6 is a schematic cross-sectional view of the link and swivel ring of the invention;
FIG. 7 is a schematic view of a partially cut-away configuration of the link and swivel ring of the invention;
fig. 8 is a schematic of the process flow of the present invention.
In the figure: 1. a fixed module; 11. a chute; 12. a slide block; 13. a limiting block; 131. a bearing; 14. a limit groove; 15. a lifting groove; 16. a guide rod; 17. a spring; 2. a stirring module; 21. a hydraulic cylinder; 22. a motor I; 3. a round tube; 31. a filter screen; 311. a first filter plate; 312. a second filter plate; 314. a flow guiding block; 313. filtering holes; 32. a connecting plate; 33. a through groove; 34. briquetting; 4. a connecting frame; 41. a clamping groove; 42. a rotating ring; 43. an inner tank; 44. a notch; 45. a motor II; 46. a transmission gear; 47. tooth slots; 48. and (3) rolling balls.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand. It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other.
Referring to fig. 1-8, a lubricating oil refining treatment device comprises a fixing module 1 and a stirring module 2, wherein the fixing module 1 is of a barrel-shaped structure, a sliding groove 11 of an annular structure is formed in the inner wall of the fixing module 1, a sliding block 12 is slidably installed in the sliding groove 11, limiting blocks 13 are fixedly installed at the top and the bottom of the sliding groove 12, limiting grooves 14 are respectively formed in the top and the bottom of the inner wall of the sliding groove 11, one end, far away from the sliding block 12, of the limiting blocks 13 is respectively and slidably connected with the corresponding limiting grooves 14, the fixing module 1 is used for containing lubricating oil and solvent, and the sliding block 12 is slidably connected in the sliding groove 11 through the limiting blocks 13.
The stopper 13 is cylindrical structure, and the outer wall cover of stopper 13 is equipped with bearing 131, and bearing 131 contacts with the inner wall of the spacing groove 14 that corresponds the setting, and the bearing 131 on the stopper 13 can improve the gliding smoothness of stopper 13 in spacing groove 14.
The lifting groove 15 has been seted up to one side that slider 12 kept away from spout 11 inner wall, and fixed module 1 interpolation is equipped with pipe 3, and symmetrical fixed mounting has connecting plate 32 on the outer wall of pipe 3, and the one end that pipe 3 was kept away from to connecting plate 32 is inserted and is established in the lifting groove 15 that corresponds the setting, and slider 12 passes through lifting groove 15 and connecting plate 32 and pipe 3 fixed connection, can make pipe 3 go up and down in fixed module 1 through connecting plate 32 and lifting groove 15.
The guide rod 16 is fixedly installed in the lifting groove 15, the guide rod 16 penetrates through the corresponding connecting plate 32 and is in sliding connection with the connecting plate, the spring 17 is sleeved on the outer side of the guide rod 16, the top of the spring 17 is in contact with the corresponding connecting plate 32, the guide rod 16 is used for reinforcing the connection strength with the connecting plate 32 and guiding lifting of the connecting plate 32, and the spring 17 is used for applying lifting force to the connecting plate 32, so that the connecting plate 32 drives the round tube 3 to reset.
The stirring module 2 is of a disc-shaped structure, the stirring module 2 is in flange connection with the top of the fixed module 1, through grooves 33 are symmetrically formed in the outer wall of the circular tube 3, connecting frames 4 are inserted in the through grooves 33, a hydraulic cylinder 21 is fixedly installed at the bottom of the stirring module 2, a first motor 22 is fixedly installed at the output end of the hydraulic cylinder 21, the output end of the first motor 22 extends into the fixed module 1 and is fixedly connected with the top of the connecting frame 4, the stirring module 2 is fixed on the fixed module 1 and can seal the fixed module 1 so as to refine lubricating oil, harmful gas generated in refining is prevented from overflowing and polluting the environment, the hydraulic cylinder 21 can push the connecting frame 4 to descend, and can contact with the circular tube 3 and drive the connecting frame 4 to descend synchronously after the connecting frame 4 descends to a specified position, and the circular tube 3 can be automatically reset under the pushing of the spring 17 when the connecting frame 4 ascends.
The both ends of link 4 pass through groove 33 and extend to in the fixed module 1, the bottom of link 4 is convex structure and has seted up draw-in groove 41, the below of link 4 is provided with swivel becket 42, swivel becket 42 and draw-in groove 41 swing joint, swivel becket 42 passes through groove 33 cover and establishes in the outside of pipe 3, link 4 passes through draw-in groove 41 and is connected with swivel becket 42 and drive it and rotate, motor No. 22 can drive link 4 rotation, link 4 rotation drives pipe 3 and swivel becket 42 synchronous rotation can stir the lubricating oil in the fixed module 1, the rotation and the rotation of swivel becket 42 cooperate the lift of link 4 simultaneously can carry out the omnidirectional to the lubricating oil in the fixed module 1 and gather, the refining effect of lubricating oil has been improved.
A plurality of inner grooves 43 are uniformly formed in the rotating ring 42 along the circumferential direction of the rotating ring, a plurality of notches 44 are uniformly formed in the inner ring wall of the rotating ring 42 along the circumferential direction of the rotating ring, the notches 44 are in one-to-one correspondence and communicated with the inner grooves 43, the inner grooves 43 are matched with the notches 44 to collect lubricating oil when the rotating ring 42 rotates, and the collected lubricating oil is conveyed through rotation of the rotating ring 42.
A second motor 45 is fixedly arranged in the connecting frame 4, a transmission gear 46 is fixedly arranged at the output end of the second motor 45, a tooth slot 47 is formed in the outer annular wall of the rotating ring 42, one side of the transmission gear 46 penetrates through the connecting frame 4 and extends into the tooth slot 47 and is meshed with the tooth slot 47, the second motor 45 drives the transmission gear 46 to rotate, and the transmission gear 46 can drive the rotating ring 42 to rotate by matching with the tooth slot 47.
A plurality of balls 48 are uniformly inserted on the inner wall of the clamping groove 41, the balls 48 are contacted with the rotating ring 42, and the balls 48 can improve the smoothness of the rotating ring 42 during rotation.
The pressing blocks 34 are symmetrically arranged on the inner wall of the through groove 33 and below the connecting frame 4, the top of the pressing blocks 34 is of an arc-shaped structure and corresponds to the arc-shaped structure of the bottom of the connecting frame 4, and when the connecting frame 4 descends, the two sides of the bottom of the pressing blocks are contacted with the pressing blocks 34, so that the connecting frame 4 pushes the round tube 3 to synchronously descend, and the phenomenon that the rotating ring 42 is blocked due to the descending of the connecting frame 4 is avoided.
The bottom of the inner wall of the fixed module 1 is in a circular arc structure and corresponds to the rotating ring 42.
The filter screen 31 is fixedly arranged at the bottom of the circular tube 3, the filter screen 31 consists of a first filter plate 311 and a second filter plate 312, the first filter plate 311 is arranged above the second filter plate 312, filter holes 313 are formed in both the first filter plate 311 and the second filter plate 312, the filter holes 313 in the first filter plate 311 are larger than the filter holes 313 in the second filter plate 312, a plurality of semicircular guide blocks 314 are uniformly arranged at the top of the second filter plate 312, the guide blocks 314 are in one-to-one correspondence with the filter holes 313 in the first filter plate 311, when the lubricating oil moves to the upper side of the circular tube 3 under the conveying of the rotating ring 42, the lubricating oil automatically flows out of the inner groove 43 into the circular tube 3, and after the lubricating oil flows into the circular tube 3, the lubricating oil automatically settles down, the non-ideal components in the lubricating oil are decomposed by the solvent, fine particles in the lubricating oil can be filtered by the filter screen 31 when the lubricating oil settles down at the bottom of the circular tube 3, the lubricating oil can flow out of the second filter plate 312 through the filter holes 313 in the first filter plate 312, and the lubricating oil can flow out of the second filter holes 313 in the circular tube 312 after the lubricating oil passes through the filter holes 313 in the first filter plate 311, and the second filter plate 313 can be prevented from flowing out of the fine particles in the filter plate 312 and can be prevented from flowing out of the filter plate 313 in the reverse direction.
The invention also provides a method for refining the rust-proof lubricating oil, which uses the lubricating oil refining device, and the method for refining the rust-proof lubricating oil by adopting the lubricating oil refining device comprises the following steps:
s1, checking the device: before starting the lubricating oil refining treatment device to refine the rust-proof lubricating oil, checking the operation of the device;
s2, introducing raw materials: sequentially introducing lubricating oil and solvent into the fixed module 1 of the lubricating oil refining device checked in the step S1, precipitating the lubricating oil and the solvent, and then separating the lubricating oil and the solvent from each other;
s3, stirring and decomposing: the stirring module 2 is operated to be inserted into the S2 to introduce the lubricating oil and the solvent and the fixing module 1 and is closed with the lubricating oil and the solvent, the lubricating oil and the solvent which are introduced into the fixing module 1 are sealed, and the stirring module 2 is operated to stir the lubricating oil and the solvent, so that the solvent sufficiently decomposes non-ideal components in the lubricating oil.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a lubricating oil refining treatment device, includes fixed module (1) and stirring module (2), its characterized in that: the fixing module (1) is of a barrel-shaped structure, a sliding groove (11) of an annular structure is formed in the inner wall of the fixing module (1), a sliding block (12) is arranged in the sliding groove (11) in a sliding mode, limiting blocks (13) are fixedly arranged at the top and the bottom of the sliding block (12), limiting grooves (14) are formed in the top and the bottom of the inner wall of the sliding groove (11) respectively, one ends, far away from the sliding block (12), of the limiting blocks (13) are respectively connected with the corresponding limiting grooves (14) in a sliding mode, lifting grooves (15) are formed in one side, far away from the inner wall of the sliding groove (11), of the sliding block (12), a circular pipe (3) is arranged in an inserted mode, and connecting plates (32) are symmetrically and fixedly arranged on the outer wall of the circular pipe (3), and one ends, far away from the circular pipe (3) are inserted into the corresponding lifting grooves (15).
The stirring module (2) is of a disc-shaped structure, the stirring module (2) is in flange connection with the top of the fixed module (1), through grooves (33) are symmetrically formed in the outer wall of the round tube (3), connecting frames (41) are inserted in the through grooves (33), hydraulic cylinders (21) are fixedly arranged at the bottoms of the stirring module (2), a first motor (22) is fixedly arranged at the output ends of the hydraulic cylinders (21), the output ends of the first motor (22) extend into the fixed module (1) and are fixedly connected with the top of the connecting frames (4), the two ends of the connecting frames (4) penetrate through the through grooves (33) and extend into the fixed module (1), the bottoms of the connecting frames (4) are of circular arc-shaped structures and are provided with clamping grooves (41), rotating rings (42) are movably connected with the clamping grooves (41), the rotating rings (42) penetrate through the through grooves (33) and are uniformly provided with a plurality of circumferential notches (44) along the circumferential direction of the inner grooves (42) of the circular tube (3), the notches (44) are in one-to-one correspondence with and communicated with the inner grooves (43); the filter screen (31) is fixedly arranged at the bottom of the circular tube (3), the filter screen (31) is composed of a first filter plate (311) and a second filter plate (312), the first filter plate (311) is arranged above the second filter plate (312), filter holes (313) are formed in the first filter plate (311) and the second filter plate (312), the filter holes (313) in the first filter plate (311) are larger than the filter holes (313) in the second filter plate (312), a plurality of semicircular guide blocks (314) are uniformly arranged at the top of the second filter plate (312), and the guide blocks (314) are in one-to-one correspondence with the filter holes (313) in the first filter plate (311); the connecting frame (4) in fixed mounting have No. two motors (45), the output fixed mounting of No. two motors (45) has drive gear (46), set up tooth's socket (47) on the outer ring wall of swivel becket (42), one side of drive gear (46) runs through connecting frame (4) and extends to in tooth's socket (47) and with tooth's socket (47) are engaged with.
2. The lubricating oil refining apparatus according to claim 1, wherein: a plurality of balls (48) are uniformly inserted into the inner wall of the clamping groove (41), and the balls (48) are contacted with the rotating ring (42).
3. The lubricating oil refining apparatus according to claim 1, wherein: the inner wall of the through groove (33) is symmetrically provided with pressing blocks (34) below the connecting frame (4), and the top of each pressing block (34) is of an arc-shaped structure and corresponds to the arc-shaped structure at the bottom of the connecting frame (4).
4. The lubricating oil refining apparatus according to claim 1, wherein: the bottom of the inner wall of the fixed module (1) is in a circular arc structure and corresponds to the rotating ring (42).
5. The lubricating oil refining apparatus according to claim 1, wherein: the limiting block (13) is of a cylindrical structure, a bearing (131) is sleeved on the outer wall of the limiting block (13), and the bearing (131) is in contact with the inner wall of the limiting groove (14) which is correspondingly arranged.
6. The lubricating oil refining apparatus according to claim 1, wherein: the lifting groove (15) is internally and fixedly provided with a guide rod (16), the guide rod (16) penetrates through the corresponding connecting plate (32) and is in sliding connection with the connecting plate, a spring (17) is sleeved on the outer side of the guide rod (16), and the top of the spring (17) is in contact with the corresponding connecting plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111469455.4A CN114164021B (en) | 2021-12-03 | 2021-12-03 | Lubricating oil refining device and lubricating oil refining method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111469455.4A CN114164021B (en) | 2021-12-03 | 2021-12-03 | Lubricating oil refining device and lubricating oil refining method |
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| CN114164021A CN114164021A (en) | 2022-03-11 |
| CN114164021B true CN114164021B (en) | 2023-08-04 |
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| CN207933382U (en) * | 2017-12-12 | 2018-10-02 | 无锡市飞天油脂有限公司 | A kind of dewaxing device for OIL IN LUBRICATING OIL PRODUCTION |
| CN213447011U (en) * | 2020-09-02 | 2021-06-15 | 天津莱奥西斯环保科技有限公司 | Waste lubricating oil flocculation extraction equipment |
| CN113368764A (en) * | 2021-07-12 | 2021-09-10 | 曹森 | Lubricating oil preparation processing system and method |
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Effective date of registration: 20230629 Address after: Floor 4, Building A, Entrepreneurship Incubation Base, Industrial Avenue, High tech Industrial Development Zone, Yan'an City, Shaanxi Province, 716000 Applicant after: Yan'an Daoshi Equipment Technology Co.,Ltd. Address before: 264009 No. 14, Qishan middle street, Yantai City, Shandong Province Applicant before: Zhang Chuncheng |
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