CN111804056A

CN111804056A - Lubricating oil purifying equipment

Info

Publication number: CN111804056A
Application number: CN202010696968.8A
Authority: CN
Inventors: 高跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-10-23

Abstract

The invention discloses lubricating oil purifying equipment, which belongs to the technical field of lubricating oil processing and comprises a support frame, a purification box, a coarse filtering device, a primary adding device, a primary fine filtering device, a membrane separation device, a secondary fine filtering device and an oil purifying agent adding device, wherein the purification box is arranged at the top of the support frame, the coarse filtering device is arranged on the purification box, the primary adding device is arranged below the coarse filtering device, the primary fine filtering device is arranged below the primary adding device, and the oil purifying agent adding device is arranged beside the support frame. The driving motor works to drive the driving shaft to rotate on the purification box, the driving shaft rotates to drive the two driving cams to rotate, the two driving cams rotate to drive the two driving wheels at the bottom of the primary fine-filtration grid plate to rotate, so that the primary fine-filtration grid plate is driven to vibrate on the purification box through the connecting springs, and the blocked primary fine-filtration grid plate is vibrated to ensure the subsequent use of the primary fine-filtration grid plate.

Description

Lubricating oil purifying equipment

Technical Field

The invention relates to the technical field of lubricating oil processing, in particular to lubricating oil purifying equipment.

Background

The lubricating oil is a liquid or semisolid lubricating agent used on various types of automobiles and mechanical equipment to reduce friction and protect machines and workpieces, and mainly plays roles in lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like. The base oil and the additive are required to be mixed and blended during production of the lubricating oil, and the blended lubricating oil still contains a plurality of solid impurities, so that the purity of the lubricating oil is reduced, the service life of the lubricating oil is shortened, and the failure rate of oil utilization equipment is increased.

For example, the patent with publication number CN208611934U relates to a lubricating oil purifying apparatus, which comprises an outer casing, a motor is fixedly installed at the top end of the outer casing, a purifying chamber and a storage chamber are sequentially arranged in the outer casing from top to bottom, a rotary drum coaxially connected with a motor output shaft is installed in the purifying chamber, the rotary drum comprises a drum body, a rotary shaft coaxially connected with the motor output shaft and a filter element installed on the inner wall of the drum body, the bottom end of the rotary shaft penetrates through and extends out of the bottom wall of the drum body, and the top end of the rotary shaft is fixedly connected with the drum body through a fixing rod, the utility model discloses a rotary drum arranged in the purifying chamber, and the rotary drum is driven by the motor to rotate, so that lubricating oil is filtered by the filter element in the rotary drum under the effect of centrifugal force and flows out from a through hole on the rotary drum body when the lubricating oil is directly filtered by the filter, the lubricating oil is difficult to be smoothly filtered from the filter element.

However, the above-mentioned devices also have the following problems in use: firstly, can not carry out filtration many times to lubricating oil, lead to still containing impurity and granule in the lubricating oil after the purification, influence the subsequent use of lubricating oil, secondly, when filtering lubricating oil, cause purifier's jam easily and influence subsequent use, and the third, when lubricating oil purifies, can not add relevant auxiliary agent to the lubricating oil of purifying and mediate the subsequent use that influences lubricating oil.

Disclosure of Invention

The technical problem to be solved by the invention is to provide lubricating oil purifying equipment, so as to solve the technical problems that in the prior art, lubricating oil cannot be filtered for many times, a purifying device is easy to block, subsequent use is influenced, and the purified lubricating oil cannot be added with related auxiliaries to be blended, so that the subsequent use of the lubricating oil is influenced.

In order to solve the technical problems, the invention provides the following technical scheme: a lubricating oil purifying device comprises a supporting frame, a purifying box, a coarse filtering device, a primary adding device, a primary fine filtering device, a membrane separating device, a secondary fine filtering device and an oil purifying agent adding device, the supporting frame is vertically arranged, the purifying box is arranged at the top of the supporting frame, the top of the purifying box is provided with an oil inlet communicated with the purifying box, the coarse filtering device is arranged on the purifying box and is positioned below the oil inlet, the preliminary adding device is arranged below the coarse filtering device, the primary adding device is rotationally connected with the purifying box, the primary fine filtering device is positioned below the primary adding device, the membrane separation device is arranged below the primary fine filtration device, the secondary fine filtration device is arranged below the membrane separation device, the oil purifying agent adding device is arranged beside the supporting frame and communicated with the purifying box.

Further, the coarse filtration device comprises a coarse filtration screen, a material pushing plate, a movable plate, two material pushing motors and two material pushing screws, wherein the coarse filtration screen is horizontally arranged in the purification box, the coarse filtration screen is located below the oil inlet, the two material pushing screws are symmetrically arranged on the side wall of the purification box, the two material pushing screws are rotationally connected with the purification box, the two material pushing motors are symmetrically arranged on the side wall of the purification box, two main shafts of the two material pushing motors are respectively connected with one ends of the two material pushing screws in a transmission mode, two ends of the material pushing plate are respectively in threaded connection with the two material pushing screws, the material pushing plate is in sliding fit with the purification box, the movable plate is vertically arranged at the bottom of the material pushing plate, and the movable plate is in sliding fit with the coarse filtration screen, and a hinged door is arranged at a position, located on.

Further, the preliminary adding device comprises a feeding cylinder, a rotating motor, a first gear, a water collecting cover, a water discharging pipe, two second gears, two rotating shafts and a plurality of rotating rods, the rotating motor is arranged on the side wall of the purifying box, the main shaft of the rotating motor is rotationally connected with the purifying box, the side wall of the purifying box is provided with a storage groove, the first gear is arranged on a main shaft of the rotating motor and is positioned in the storage groove, the two second gears are rotationally connected with the side wall of the purifying box through two rotating shafts, the two second gears are respectively meshed with the first gear, the plurality of rotating rods are arranged on the two rotating shafts at equal intervals, the water collecting cover level sets up the bottom at two dwangs, the drain pipe sets up and is equipped with the solenoid valve on the bottom of water collecting cover and the drain pipe, a feeding section of thick bamboo sets up on the lateral wall of purifying box and a feeding section of thick bamboo extends to in the purifying box.

Furthermore, once the secondary filtration device includes once the secondary filtration net board, driving motor, drive shaft, two drive wheels, two drive cams and a plurality of connecting spring, and a plurality of connecting spring equidistant setting is in the bottom of once the secondary filtration net board, once the secondary filtration net board level is through a plurality of connecting spring settings in the purifying box and once the secondary filtration net board and purifying box sliding fit, driving motor sets up on the lateral wall of purifying box, the both ends of drive shaft rotate with the purifying box respectively and be connected and the one end of drive shaft and driving motor's main shaft fixed connection, and two drive cam symmetries set up in the drive shaft, two drive wheel symmetries set up in the bottom of once the secondary filtration net board and correspond the setting with two drive cams.

Further, the membrane separation device comprises an installation frame and a polar molecular membrane, wherein the installation frame is horizontally arranged on the purification box, and the polar molecular membrane is horizontally arranged in the installation frame.

Furthermore, secondary fine filtration device includes fixed frame and secondary fine filtration net board, fixed frame level sets up in the bottom of installing frame, secondary fine filtration net board level sets up on fixed frame.

Further, the neat oil agent adds the device and includes mixing box, hybrid motor, mixed auger and three interpolation case, the vertical side that sets up at the support frame of mixing box, hybrid motor sets up the vertical downward setting of main shaft at the top of mixing box and hybrid motor, it is three to mix the auger setting in the mixing box and mix the top of auger and hybrid motor's main shaft fixed connection, it is equidistant to add the case and set up the bottom and the mixing box that add the case at the top of mixing box and three and be linked together, be equipped with the discharging pipe on the mixing box, be equipped with the valve on the discharging pipe.

Further, be equipped with the mounting bracket on the lateral wall of mixing box, be equipped with the extraction pump on the mounting bracket, the oil feed of extraction pump is served and is equipped with the oil inlet pipe that communicates with the purifying box mutually, the oil outlet of extraction pump is served and is equipped with the oil pipe that is linked together with the mixing box.

Compared with the prior art, the invention has the beneficial effects that:

firstly, when the lubricating oil is purified, the additive is moved into the purifying box from the feeding cylinder, the rotating motor works to drive the first gear to rotate, the first gear rotates to drive the two second gears to rotate, the two second gears rotate to drive the two rotating shafts to rotate so as to drive the plurality of rotating rods to rotate, the plurality of rotating rods rotate to fully mix the lubricating oil and the additive, the waste lubricating oil is preliminarily purified and improved, the water collecting cover stores and mixes the lubricating oil, the drain pipe is opened through the electromagnetic valve after the mixing is finished, the lubricating oil is conveyed to the primary fine filtering grid plate, and colloid, oxide and nitride in the lubricating oil can be eliminated.

Secondly, the lubricating oil is conveyed to the coarse filter screen, the coarse filter screen performs preliminary filtering operation on the lubricating oil, impurities in the lubricating oil are filtered out during filtering, the impurities are accumulated on the top of the coarse filter screen, at the moment, the two pushing motors work to drive the two pushing screws to rotate, the two pushing screws rotate to drive the pushing plate to move in the horizontal direction, the pushing plate moves to drive the moving plate to move so as to move the impurities on the coarse filter screen to one side of the hinged door, the hinged door is opened to move the impurities outwards, and fine mechanical impurities, solid particles and metal particles in the waste lubricating oil can be removed.

Thirdly, when the lubricating oil is subjected to primary fine filtration, the primary fine filtration grid plate filters the lubricating oil, after long-time filtration, meshes on the primary fine filtration grid plate are blocked, the driving motor works to drive the driving shaft to rotate on the purification box, the driving shaft rotates to drive the two driving cams to rotate, the two driving cams rotate to drive the two driving wheels at the bottom of the primary fine filtration grid plate to rotate, so that the primary fine filtration grid plate is driven to vibrate on the purification box through the connecting springs, and the blocked primary fine filtration grid plate is vibrated to ensure the subsequent use of the primary fine filtration grid plate.

Fourthly, the additives such as rust removal and wear resistance in the lubricant are conveyed into the mixing box through the three adding boxes, the mixing motor works to drive the mixing auger to rotate in the mixing box, the lubricant and the additives are fully mixed, the oil purification operation of the lubricant is realized, the quality and the performance of the lubricant are improved, and the purified oil is discharged outwards through the discharging pipe after the purification is finished.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic perspective view of a coarse filter device according to the present invention;

FIG. 5 is a schematic perspective view of a preliminary adding device according to the present invention;

FIG. 6 is a partial perspective view of the present invention;

fig. 7 is a schematic partial perspective view of the oil purifier adding device of the present invention.

The reference numbers in the figures are:

the device comprises a support frame 1, a purification box 2, an oil inlet 21, a hinged door 22, a coarse filtering device 3, a coarse filtering net 31, a pushing plate 32, a moving plate 33, a pushing motor 34, a pushing screw 35, a primary adding device 4, a feeding cylinder 41, a rotating motor 42, a first gear 43, a water collecting cover 44, a water discharging pipe 45, a second gear 46, a rotating shaft 47, a rotating rod 48, a primary fine filtering device 5, a primary fine filtering grid plate 51, a driving motor 52, a driving shaft 53, a driving wheel 54, a driving cam 55, a connecting spring 56, a membrane separating device 6, a mounting frame 61, a polar molecular membrane 62, a secondary fine filtering device 7, a fixing frame 71, a secondary fine filtering grid plate 72, an oil purifying agent adding device 8, a mixing box 80, a mixing motor 81, a mixing auger 82, an adding box 83, a discharging pipe 84, a valve 85, an extracting pump 87, an oil inlet pipe 88 and an.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1 to 7, the present invention provides a lubricating oil purifying apparatus, which comprises a support frame 1, a purifying box 2, a coarse filtering device 3, a primary adding device 4, a primary fine filtering device 5, a membrane separating device 6, a secondary fine filtering device 7 and an oil purifying agent adding device 8, wherein the support frame 1 is vertically arranged, the purifying box 2 is arranged at the top of the support frame 1, the top of the purifying box 2 is provided with an oil inlet 21 communicated with the purifying box 2, the coarse filtering device 3 is arranged on the purifying box 2 and is positioned below the oil inlet 21, the primary adding device 4 is arranged below the coarse filtering device 3, the primary adding device 4 is rotatably connected with the purifying box 2, the primary fine filtering device 5 is positioned below the primary adding device 4, the membrane separating device 6 is arranged below the primary fine filtering device 5, the secondary fine filtering device 7 is arranged below the membrane separating device 6, the oil purifying agent adding device 8 is arranged beside the support frame 1, the oil purifying agent adding device 8 is communicated with the purifying box 2, and when the lubricating oil is purified, the waste lubricating oil is conveyed into the purifying box 2 through the oil inlet 21 to purify the waste lubricating oil.

The coarse filtering device 3 comprises a coarse filtering net 31, a material pushing plate 32, a moving plate 33, two material pushing motors 34 and two material pushing screw rods 35, the coarse filter screen 31 is horizontally arranged in the purification box 2, the coarse filter screen 31 is positioned below the oil inlet 21, the two material pushing screw rods 35 are symmetrically arranged on the side wall of the purification box 2, the two material pushing screw rods 35 are both rotationally connected with the purification box 2, the two material pushing motors 34 are symmetrically arranged on the side wall of the purification box 2, two main shafts of the two material pushing motors 34 are respectively in transmission connection with one ends of the two material pushing screw rods 35, two ends of the material pushing plate 32 are respectively in threaded connection with two material pushing screw rods 35, the material pushing plate 32 is in sliding fit with the purifying box 2, the moving plate 33 is vertically arranged at the bottom of the material pushing plate 32, the moving plate 33 is in sliding fit with the coarse filter screen 31, and a hinged door 22 is arranged on the side wall of the purifying box 2 and positioned at the position of the coarse filter screen 31; when the waste lubricating oil is roughly filtered, the lubricating oil is conveyed to the rough filter screen 31, the rough filter screen 31 conducts preliminary filtering operation on the lubricating oil, impurities in the lubricating oil are filtered out during filtering, the impurities are accumulated at the top of the rough filter screen 31, at the moment, the two pushing motors 34 work to drive the two pushing screws 35 to rotate, the two pushing screws 35 rotate to drive the pushing plate 32 to move in the horizontal direction, the pushing plate 32 moves to drive the moving plate 33 to move so that the impurities on the rough filter screen 31 move to one side of the hinged door 22, the hinged door 22 is opened to move the impurities outwards, and fine mechanical impurities, solid particles and metal particles in the waste lubricating oil can be removed.

Tentatively add device 4 and include feed cylinder 41, rotation motor 42, first gear 43, cover 44, drain pipe 45, two second gear 46, two axis of rotation 47 and a plurality of dwang 48, rotation motor 42 sets up on the lateral wall of purifying box 2 and the main shaft that rotates motor 42 rotates with purifying box 2 and is connected, be equipped with the storage tank on the lateral wall of purifying box 2, first gear 43 sets up on the main shaft that rotates motor 42 and is located the storage tank, two second gear 46 rotates with the lateral wall of purifying box 2 through two axis of rotation 47 and is connected, two second gear 46 meshes with first gear 43 respectively, and is a plurality of dwang 48 equidistant sets up on two axis of rotation 47, cover 44 level that catchments sets up the bottom at two dwang 48, drain pipe 45 sets up and is equipped with the solenoid valve on the bottom of cover 44 and drain pipe 45, the feeding cylinder 41 is arranged on the side wall of the purifying box 2, and the feeding cylinder 41 extends into the purifying box 2; when purifying lubricating oil, remove the additive from the feed cylinder 41 in to the purifying box 2, it drives first gear 43 rotation to rotate the work of motor 42 this moment, first gear 43 rotates and drives two second gear 46 rotations, thereby two second gear 46 rotate and drive two axis of rotation 47 rotations and drive a plurality of dwang 48 and rotate, a plurality of dwang 48 rotate and carry out abundant mixture with lubricating oil and additive, carry out preliminary purification and improvement to abandonment lubricating oil, it deposits the mixture to collect water cover 44 to lubricating oil, open drain pipe 45 through the solenoid valve after mixing the completion, carry lubricating oil to a fine filtration grid plate 51 on, can be to the colloid in the lubricating oil, oxide and nitride are eliminated.

The primary fine filtering device 5 comprises a primary fine filtering grid plate 51, a driving motor 52, a driving shaft 53, two driving wheels 54, two driving cams 55 and a plurality of connecting springs 56, wherein the plurality of connecting springs 56 are arranged at the bottom of the primary fine filtering grid plate 51 at equal intervals, the primary fine filtering grid plate 51 is horizontally arranged in the purifying box 2 through the plurality of connecting springs 56, the primary fine filtering grid plate 51 is in sliding fit with the purifying box 2, the driving motor 52 is arranged on the side wall of the purifying box 2, two ends of the driving shaft 53 are respectively in rotating connection with the purifying box 2, one end of the driving shaft 53 is fixedly connected with a main shaft of the driving motor 52, the two driving cams 55 are symmetrically arranged on the driving shaft 53, and the two driving wheels 54 are symmetrically arranged at the bottom of the primary fine filtering grid plate 51 and are arranged corresponding to the two driving cams 55; when carrying out the primary fine filtration to lubricating oil, the primary fine filtration grid plate 51 filters lubricating oil, the mesh on the primary fine filtration grid plate 51 can appear blockking up after long-time filtration, driving motor 52 works and drives drive shaft 53 and rotate on purifying box 2, drive shaft 53 rotates and drives two drive cams 55 and rotate, two drive cams 55 rotate and drive two drive wheels 54 of primary fine filtration grid plate 51 bottom and rotate, thereby drive primary fine filtration grid plate 51 and shake on purifying box 2 through a plurality of connecting spring 56, shake to the primary fine filtration grid plate 51 of jam and ensure the subsequent use of primary fine filtration grid plate 51.

The membrane separation device 6 comprises a mounting frame 61 and a polar molecular membrane 62, wherein the mounting frame 61 is horizontally arranged on the purification box 2, and the polar molecular membrane 62 is horizontally arranged in the mounting frame 61; the mounting frame 61 is used for mounting the polar molecular film 62, and the polar molecular film 62 is used for absorbing polar molecules in the waste lubricating oil.

The secondary fine filtration device 7 comprises a fixed frame 71 and a secondary fine filtration grid plate 72, wherein the fixed frame 71 is horizontally arranged at the bottom of the mounting frame 61, and the secondary fine filtration grid plate 72 is horizontally arranged on the fixed frame 71; the fixing frame 71 is used for fixing and installing the secondary fine-filtering grid plate 72, and the secondary fine-filtering grid plate 72 is used for performing secondary fine filtering on the lubricating oil, so that the cleanliness of the lubricating oil is greatly improved, the chromaticity of the oil is improved, and the color of the oil is changed into carbon and is clear.

The oil purifying agent adding device 8 comprises a mixing box 80, a mixing motor 81, a mixing auger 82 and three adding boxes 83, wherein the mixing box 80 is vertically arranged at the side of the support frame 1, the mixing motor 81 is arranged at the top of the mixing box 80, a main shaft of the mixing motor 81 is vertically arranged downwards, the mixing auger 82 is arranged in the mixing box 80, the top of the mixing auger 82 is fixedly connected with the main shaft of the mixing motor 81, the three adding boxes 83 are equidistantly arranged at the top of the mixing box 80, the bottoms of the three adding boxes 83 are communicated with the mixing box 80, a discharging pipe 84 is arranged on the mixing box 80, and a valve 85 is arranged on the discharging pipe 84; the valve 85 is used for controlling the on-off of the discharge pipe 84, additives such as rust removal and wear resistance in the lubricant are conveyed into the mixing box 80 through the three adding boxes 83, the mixing motor 81 works to drive the mixing auger 82 to rotate in the mixing box 80, the lubricant and a plurality of additives are fully mixed, the oil purification operation of the lubricant is realized, the quality and the performance of the lubricant are improved, and the purified oil is discharged outwards through the discharge pipe 84 after the purification is finished.

A mounting frame 86 is arranged on the side wall of the mixing box 80, an extraction pump 87 is arranged on the mounting frame 86, an oil inlet pipe 88 communicated with the purification box 2 is arranged at the oil inlet end of the extraction pump 87, and an oil outlet pipe 89 communicated with the mixing box 80 is arranged at the oil outlet end of the extraction pump 87; the mounting bracket 86 is used for supporting and mounting the extraction pump 87, the extraction pump 87 works to extract the lubricating oil at the bottom of the purification tank 2 through the oil inlet pipe 88, and the lubricating oil is conveyed into the mixing tank 80 through the oil outlet pipe 89 after extraction.

The working principle of the invention is as follows: when the invention is used, when lubricating oil is purified, the waste lubricating oil is conveyed into the purifying box 2 through the oil inlet 21, the coarse filter screen 31 carries out preliminary filtering operation on the lubricating oil, impurities in the lubricating oil are filtered out during filtering, the impurities are accumulated on the top of the coarse filter screen 31, at the moment, two pushing motors 34 work to drive two pushing screws 35 to rotate, the two pushing screws 35 rotate to drive the pushing plate 32 to move in the horizontal direction, the pushing plate 32 moves to drive the moving plate 33 to move the impurities on the coarse filter screen 31 to one side of the hinged door 22, the hinged door 22 is opened to move the impurities outwards, so that the additive can be removed from fine mechanical impurities, solid particles and metal particles in the waste lubricating oil, the additive is moved into the purifying box 2 from the feeding cylinder 41, at the moment, the rotating motor 42 works to drive the first gear 43 to rotate, the first gear 43 rotates to drive the two second gears 46 to rotate, the two second gears 46 rotate to drive the two rotating shafts 47 to rotate so as to drive the plurality of rotating rods 48 to rotate, the plurality of rotating rods 48 rotate to fully mix lubricating oil and additives, the waste lubricating oil is primarily purified and improved, the water collecting cover 44 stores and mixes the lubricating oil, after the mixing is finished, the drain pipe 45 is opened through the electromagnetic valve, the lubricating oil is conveyed to the primary fine-filtering grid plate 51 to eliminate colloid, oxide and nitride in the lubricating oil, the driving motor 52 works to drive the driving shaft 53 to rotate on the purifying box 2, the driving shaft 53 rotates to drive the two driving cams 55 to rotate, the two driving cams 55 rotate to drive the two driving wheels 54 at the bottom of the primary fine-filtering grid plate 51 to rotate, so as to drive the primary fine-filtering grid plate 51 to vibrate on the purifying box 2 through the plurality of connecting springs 56, and vibrate the blocked primary fine-filtering grid plate 51 to ensure the subsequent use of the primary fine-filtering grid plate 51, the polar molecular film 62 is used for absorbing polar molecules in the waste lubricating oil, the secondary fine-filtering grid plate 72 is used for performing secondary fine filtering on the lubricating oil, the cleanliness of the lubricating oil is greatly improved, the chromaticity of an oil product is improved, the color of the oil product is changed into charcoal and is clear, the pumping pump 87 works to pump the lubricating oil at the bottom of the purifying box 2 through the oil inlet pipe 88, the lubricating oil is conveyed into the mixing box 80 through the oil outlet pipe 89 after being pumped, additives such as rust removal and abrasion resistance in the lubricating oil are conveyed into the mixing box 80 through the three adding boxes 83, the mixing motor 81 works to drive the mixing auger 82 to rotate in the mixing box 80, the lubricating oil and a plurality of additives are fully mixed, the oil purifying operation on the lubricating oil is realized, the quality and the performance of the lubricating oil are improved, and the purified oil is discharged outwards through the discharge pipe 84 after the purification is.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lubricating oil purifying device is characterized by comprising a support frame (1), a purification box (2), a coarse filtering device (3), a primary adding device (4), a primary fine filtering device (5), a membrane separation device (6), a secondary fine filtering device (7) and an oil purifying agent adding device (8), wherein the support frame (1) is vertically arranged, the purification box (2) is installed at the top of the support frame (1), the top of the purification box (2) is provided with an oil inlet (21) communicated with the purification box, the coarse filtering device (3) is arranged on the purification box (2) and is positioned below the oil inlet (21), the primary adding device (4) is installed below the coarse filtering device (3), the primary adding device (4) is rotatably connected with the purification box (2), the primary fine filtering device (5) is positioned below the primary adding device (4), the membrane separation device (6) is arranged below the primary fine filtration device (5), the secondary fine filtration device (7) is arranged below the membrane separation device (6), the oil purifying agent adding device (8) is arranged beside the support frame (1), and the oil purifying agent adding device (8) is communicated with the purification box (2).

2. The lubricating oil purifying apparatus according to claim 1, wherein: coarse filter equipment (3) are including coarse filtration net (31), scraping wings (32), movable plate (33), two push away material motor (34) and two push away material lead screw (35), coarse filtration net (31) level sets up in purifying box (2) and coarse filtration net (31) is located the below of oil inlet (21), two push away material lead screw (35) symmetry setting on the lateral wall of purifying box (2) and two push away material lead screw (35) and all be connected with purifying box (2) rotation, two push away material motor (34) symmetry setting on the lateral wall of purifying box (2) and two main shafts that push away material motor (34) are connected with the one end transmission that two push away material lead screw (35) respectively, the both ends of scraping wings (32) push away material lead screw (35) threaded connection with two respectively, scraping wings (32) and purifying box (2) sliding fit, movable plate (33) vertical setting is in the bottom of scraping wings (32) and movable plate (33) and coarse filtration net (31), and movable plate (33) push away material ) The side wall of the purification box (2) is provided with a hinged door (22) at the position of the coarse filter screen (31) in a sliding fit manner.

3. The lubricating oil purifying apparatus according to claim 1, wherein: preliminary adding device (4) includes a feeding cylinder (41), a rotating motor (42), a first gear (43), a water collecting cover (44), a drain pipe (45), two second gears (46), two rotating shafts (47) and a plurality of rotating rods (48), rotating motor (42) is arranged on the side wall of purifying box (2) and the main shaft of rotating motor (42) is rotatably connected with purifying box (2), a storage groove is arranged on the side wall of purifying box (2), first gear (43) is arranged on the main shaft of rotating motor (42) and is positioned in the storage groove, two second gears (46) are rotatably connected with the side wall of purifying box (2) through two rotating shafts (47), two second gears (46) are respectively meshed with first gear (43), and a plurality of rotating rods (48) are equidistantly arranged on two rotating shafts (47), water-collecting cover (44) level sets up the bottom at two dwang (48), drain pipe (45) set up and are equipped with the solenoid valve on the bottom of water-collecting cover (44) and drain pipe (45), feed cylinder (41) set up on the lateral wall of purifying box (2) and feed cylinder (41) extend to in purifying box (2).

4. The lubricating oil purifying apparatus according to claim 1, wherein: the primary fine filtering device (5) comprises a primary fine filtering grid plate (51), a driving motor (52), a driving shaft (53), two driving wheels (54), two driving cams (55) and a plurality of connecting springs (56), wherein the connecting springs (56) are arranged at the bottom of the primary fine filtering grid plate (51) at equal intervals, the primary fine filtering grid plate (51) is horizontally arranged in the purifying box (2) through the connecting springs (56), the primary fine filtering grid plate (51) is in sliding fit with the purifying box (2), the driving motors (52) are arranged on the side walls of the purifying box (2), two ends of the driving shaft (53) are respectively in rotating connection with the purifying box (2), one end of the driving shaft (53) is fixedly connected with a main shaft of the driving motor (52), the two driving wheels (55) are symmetrically arranged on the driving shaft (53), the two driving wheels (54) are symmetrically arranged at the bottom of the primary fine filtering grid plate (51) and are connected with the two driving cams (52) 55) And (4) correspondingly setting.

5. The lubricating oil purifying apparatus according to claim 1, wherein: the membrane separation device (6) comprises an installation frame (61) and a polar molecular membrane (62), wherein the installation frame (61) is horizontally arranged on the purification box (2), and the polar molecular membrane (62) is horizontally arranged in the installation frame (61).

6. The lubricating oil purifying apparatus according to claim 5, wherein: the secondary fine filtration device (7) comprises a fixed frame (71) and a secondary fine filtration grid plate (72), wherein the fixed frame (71) is horizontally arranged at the bottom of the mounting frame (61), and the secondary fine filtration grid plate (72) is horizontally arranged on the fixed frame (71).

7. The lubricating oil purifying apparatus according to claim 1, wherein: neat oil agent adds device (8) includes mixing box (80), hybrid motor (81), mixes auger (82) and three interpolation case (83), the vertical side that sets up at support frame (1) of mixing box (80), hybrid motor (81) set up at the top of mixing box (80) and the vertical downward setting of main shaft of hybrid motor (81), mix auger (82) set up in mixing box (80) and the top of mixing auger (82) and the main shaft fixed connection of hybrid motor (81), it is three add case (83) equidistant setting and be linked together with mixing box (80) at the top of mixing box (80) and the bottom of three interpolation case (83), be equipped with discharging pipe (84) on mixing box (80), be equipped with valve (85) on discharging pipe (84).

8. The lubricating oil purifying apparatus according to claim 7, wherein: be equipped with on the lateral wall of mixing box (80) mounting bracket (86), be equipped with extraction pump (87) on mounting bracket (86), the oil feed of extraction pump (87) is served and is equipped with oil feed pipe (88) that are linked together with purifying box (2), the oil outlet of extraction pump (87) is served and is equipped with oil outlet pipe (89) that are linked together with mixing box (80).