Waste lubricating oil recycling treatment method
Technical Field
The invention relates to the technical field of lubricating oil, in particular to a method for recycling waste lubricating oil.
Background
The lubricating oil is used on various automobiles and mechanical equipment to reduce friction, protect liquid or semi-solid lubricants of machinery and workpieces, and mainly plays roles of lubrication, auxiliary cooling, rust prevention, cleaning and buffering and the like, because the lubricating oil is generally manufactured by using the lubricating oil, some used waste lubricating oil is directly discarded, so that resources are wasted, and certain pollution is caused to the environment, so that a lot of waste lubricating oil can be recycled at present, large impurities in the waste lubricating oil are firstly filtered out, other impurities are treated by other treatment methods, methods such as a sedimentation method, a distillation method, a chemical treatment and the like are provided, wherein the chemical treatment is mainly realized by adding a chemical reagent capable of separating out the impurities in the preliminarily filtered lubricating oil, so that the impurities in the preliminarily filtered lubricating oil can be combined into particles in a chemical reaction mode, separation is then carried out, but the existing devices have problems in use:
aiming at the chemical treatment mode, because a chemical reagent needs to be added to separate out impurities, in order to ensure that the chemical reagent and the waste lubricating oil can be subjected to sufficient fusion reaction, the mixed liquid of the chemical reagent and the waste lubricating oil needs to be fully stirred, although the existing device can stir and mix the mixed liquid, the mixed liquid can be simply stirred by a plurality of stirring blades, and the liquid is driven by the stirring blades to rotate regularly, so the mixing effect of the solution is poor, the lubricating oil and the impurities in the reacted solution can not be directly and quickly separated in equipment after the stirring reaction is finished, but the mixed liquid needs to be poured out and put into a container beside for natural sedimentation and layering, the mode is very slow in speed and low in efficiency, and the sediment and the oil are easily mixed again by the container filled with the solution for sedimentation without the limitation of a partition plate when the oil is separated, oil separation cannot be achieved well.
Disclosure of Invention
In order to solve the problems, the invention provides a waste lubricating oil recycling treatment method, which adopts the following treatment shape and comprises a bottom stirring device, wherein an outer barrel is sleeved with internal threads of the bottom stirring device, a lubricating oil inlet and a lubricating oil outlet and a chemical reagent adding port are respectively formed in the outer barrel, a filter pressing plate is movably connected in the outer barrel, a driving device connected to the top of the outer barrel is fixedly installed in the outer barrel, four connecting columns are annularly and fixedly installed at equal intervals at the bottom end of the driving device, telescopic stirring devices are movably connected on the four connecting columns, and an intermediate transmission structure is movably arranged in the driving device;
the bottom stirring device comprises a bottom sleeve cover, the inner wall of the bottom sleeve cover is provided with a threaded groove, the middle part of the upper surface of the bottom sleeve cover is movably provided with a rotating column, the center of the top of the rotating column is provided with an embedded groove, and first stirring blades are fixedly arranged on the outer wall of the embedded groove at equal intervals in the circumferential direction;
the outer cylinder comprises an outer wall which is in threaded connection with the inner wall of the bottom sleeve cover, and sliding grooves are respectively formed in the left side and the right side of the inner wall of the outer wall;
the filtering pressing plate comprises a circular plate movably connected in a sliding groove, filtering through holes are formed in the circular plate in an annular and equidistant penetrating mode, an extension sleeve is fixedly connected to the bottom of the central portion of each filtering through hole, a threaded groove is formed in the inner ring of the extension sleeve, sweeping baffles are fixedly mounted on the lower surface of the circular plate in an equidistant mode, and a pin is movably connected to the top end in the sliding groove and located at the lower portion of the outer side of the end face of the circular plate;
the driving device comprises a motor fixedly arranged in the middle of the top of the outer wall, a first connecting column is fixedly arranged on an output shaft of the motor, a second connecting column is fixedly arranged at one end of the first connecting column, a vertical groove is formed in the lower half part of the second connecting column, a third connecting column is fixedly arranged at the top end of the vertical groove, and a limiting groove is formed in the top of the third connecting column;
the telescopic stirring device comprises a second stirring blade movably mounted on the connecting column, the second stirring blade is provided with a long groove close to the central part of the bottom of the third connecting column, and the bottom end of the long groove of the second stirring blade is provided with a telescopic limiting groove;
the middle transmission structure comprises a straight rod which penetrates through the inner parts of the second connecting column and the third connecting column in a movable mode, two layers of transverse rods are fixedly installed at the top of the straight rod, electromagnetic attraction strips are fixedly installed at the upper ends and the lower ends of the two layers of transverse rods respectively, a transmission sleeve is fixedly installed at the outer end of each transverse rod, a threaded groove is formed in the outer wall of each transmission sleeve, an embedding block is fixedly installed at the bottom end of the straight rod, telescopic limiting rods and a central stirring plate are fixedly installed at the lower portions of the embedding blocks in an axially equidistant mode, the telescopic limiting rods and the central stirring plate are distributed in a crossed mode, a transmission pull ring is fixedly installed at the upper portion of each electromagnetic attraction;
the method for recycling the waste lubricating oil comprises the following steps:
s1, equipment checking: before the waste lubricating fluid is treated, whether the equipment can normally operate is checked;
s2, precipitation of impurities: adding the waste lubricating liquid and the chemical reagent into the equipment at the same time, starting the equipment, stirring the mixed liquid of the waste lubricating liquid and the chemical reagent to ensure that the mixed liquid and the mixed liquid are fully mixed and reacted, and separating out impurities in the mixed liquid as a reactant agglomerate;
s3, oil separation: impurities in the mixed solution after reaction are compressed downwards in the process of descending through the filtering pressing plate, so that the impurities are slowly gathered, the filtered lubricating solution is positioned on the upper surface of the circular plate, the lubricating solution on the upper part is pumped out from the upper part, and the impurities are discharged from the bottom of the equipment, so that the separation of oil is realized;
s4, cleaning equipment: after the treatment of the waste lubricating fluid is completed for one time, the equipment is comprehensively cleaned, and then the treatment of the next batch of waste lubricating fluid is carried out.
Preferably, the cross sectional shape of first stirring leaf is triangle-shaped and hypotenuse upwards, the incline direction of first stirring leaf hypotenuse is the same with the direction of rotation of column spinner, and the design of first stirring leaf through the hypotenuse can guarantee that first stirring leaf can be fine in rotatory in-process with the mixed liquid of bottom upwards stir along the hypotenuse, and the stirring of patting of reuniting second stirring leaf like this is used, and it is more abundant to make mixed liquid mix, and the reaction is also more abundant, the separation out of impurity wherein of being convenient for more, improves the treatment effect.
Preferably, the aperture size of filtering the through-hole is less than the size that impurity appeared the bulk, sweep the baffle and radially install in one side of every row of filtering the through-hole, extend the sleeve pipe like this and move the in-process downwards under the drive of motor, the bulk impurity that appears in the inside mixed liquid of outer wall can be slowly rotatory under the effect of third spliced pole, and impurity all can be attached in one side of sweeping the baffle under slow rotatory effect, and the mixed liquid after the processing then can upwards spill over in filtering the through-hole, the in-process too much impurity that prevents through sweeping the baffle like this and descending stops up filtering the through-hole, with the fine separation of assurance oil quality, the quickly separating of oil quality in the outer wall has also been realized, and the treatment efficiency is improved.
Preferably, the height of the extension sleeve is greater than the distance between the top of the transmission sleeve and the top of the third connecting column after the transmission sleeve rises, the transmission sleeve, the third connecting column and the outer wall on the transmission sleeve are provided with continuous thread grooves, the inner diameter of the extension sleeve is equal to the outer diameter of the transmission sleeve, the third connecting column and the outer diameter of the extension sleeve, after the reaction of the mixed liquid is completed, the middle transmission structure is pulled upwards, the electromagnetic attraction strip is embedded into the upper part of the second connecting column, so that the transmission sleeve is in threaded connection with the extension sleeve under the driving of the motor, then the filter pressing plate is driven to move downwards, and the top of the extension sleeve can be ensured to contact with the thread on the third connecting column by utilizing the long extension sleeve when the extension sleeve passes through the space between the transmission sleeve and the third connecting column, so that the filter pressing plate can be ensured to move downwards smoothly, so as to realize the normal downward movement of the filtering pressing plate in the oil separator and realize the separation effect on the oil.
Preferably, the second stirring blades are block-shaped, the outer edges of the four second stirring blades are arranged on the edge of a circle concentric with the third connecting column, the outer wall of each second stirring blade is provided with a thread groove continuous with the outer wall of the third connecting column, the telescopic limiting groove is inclined from top to bottom from outside to inside, the telescopic limiting rod is movably connected in the telescopic limiting groove, the telescopic limiting rod can drive the second stirring blades to open towards two sides in the descending process through the inclined arrangement of the telescopic limiting groove, so that the second stirring blades can be opened, the unfolded second stirring blades can be used for stirring of another part, meanwhile, the nested block can also be inserted into the nested groove to synchronously drive the rotating column and the first stirring blades to rotate, the mixing effect can be improved by combining the two, the transmission pull ring can be pulled up after the mixing is finished, so that the second stirring blades can be retracted towards the middle, four second stirring vanes also can form one section on the track that the filtering pressing plate moves down, so as to ensure that the filtering pressing plate can more fully compress the separated impurities downwards, and the best oil quality separation effect is achieved.
Preferably, the transmission pull ring cross-section is for falling the type of protruding font and cup joint in the motor outside, the distance of the part of transmission pull ring top hem apart from the plectane upper surface is greater than the distance between transmission sleeve bottom to the third spliced pole upper surface, and the pulling effect about the realization that can be fine through setting up of distance can realize the flexible effect to the second stirring leaf like this, can provide coherent removal route for filtering the removal of clamp plate when need carrying out oil separation again to guarantee that filtering the clamp plate can move down and compress impurity.
The invention has the beneficial effects that:
the waste lubricating oil recycling treatment method comprises the steps that a telescopic stirring device is arranged to be of a telescopic structure, the telescopic motion of a second stirring blade is controlled under the driving of a telescopic limiting rod, when the mixed liquid of the waste lubricating oil and a chemical reagent needs to be stirred, a straight rod pushes the telescopic limiting rod to move downwards, so that the second stirring blade is opened to become an internal stirring blade, the straight rod is lifted after the stirring is completed, the second stirring blade is retracted, a partial structure of a cylinder with the same diameter as that of a third connecting column is formed among four second stirring blades, and meanwhile, continuous external thread grooves are formed in the outer walls of the third connecting column and the second stirring blade, so that a filtering pressing plate can be uninterruptedly rotated and moved downwards, the rapid filtering and separation of oil is guaranteed, and the treatment efficiency is improved;
secondly, the lubricating oil recycling treatment method is characterized in that a bottom stirring device is arranged at the bottom of the equipment, the bottom stirring device is driven to rotate by nesting the nesting blocks into the nesting groove, so that the mixed liquid at the bottom can be stirred by the first stirring blades at the bottom, and the mixed liquid stirred by the first stirring blades at the bottom can be further beaten and stirred by combining the stirring action of the second stirring blades on the bottom, and the central stirring plate arranged at the bottom of the straight rod can better improve the stirring effect on the mixed liquid with poor stirring effect on the central part, so that the mixing degree of the mixed liquid is increased, and impurities in the mixed liquid can be better separated out in a shape of a lump.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic flow chart of a method for recycling and treating waste lubricating oil according to the present invention;
FIG. 2 is a schematic cross-sectional front view of the inventive structure;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is an enlarged view of the point B in FIG. 2;
FIG. 5 is a perspective view of the bottom stirring blade of the present invention;
FIG. 6 is a schematic view of a structured filter press plate of the present invention.
In the figure: 1. a bottom stirring device; 11. a bottom cover; 12. a spin column; 13. embedding a sleeve groove; 14. a first agitating blade; 2. An outer cylinder; 21. an outer wall; 22. a chute; 3. a lubricating oil inlet and outlet; 4. a chemical reagent addition port; 5. filtering and pressing the plate; 51. a circular plate; 52. a filtration through hole; 53. an extension sleeve; 54. sweeping the baffle; 6. a drive device; 61. a motor; 62. a first connecting column; 63. a second connecting column; 64. a vertical slot; 65. a third connecting column; 66. defining a slot; 7. connecting columns; 8. a telescopic stirring device; 81. a second agitating blade; 82. a telescopic limiting groove; 9. an intermediate transmission structure; 91. a straight rod; 92. a cross bar; 93. electromagnetic attraction strips; 94. a drive sleeve; 95. nesting blocks; 96. a telescopic limiting rod; 97. a central stirring plate; 98. transmission pull ring
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a waste lubricating oil recycling method adopts the following processing shape, the device comprises a bottom stirring device 1, an outer cylinder 2 is sleeved on the inner thread of the bottom stirring device 1, a lubricating oil inlet and outlet 3 and a chemical reagent adding port 4 are respectively arranged on the outer cylinder 2, a filtering pressure plate 5 is movably connected in the outer cylinder 2, a driving device 6 connected to the top of the outer cylinder 2 is fixedly arranged in the outer cylinder 2, four connecting columns 7 are fixedly arranged at equal intervals in a ring shape at the bottom end of the driving device 6, telescopic stirring devices 8 are movably connected on the four connecting columns 7, and an intermediate transmission structure 9 is movably arranged in the driving device 6;
the bottom stirring device 1 comprises a bottom sleeve cover 11 with a threaded groove on the inner wall, a rotating column 12 is movably mounted in the middle of the upper surface of the bottom sleeve cover 11, an embedded groove 13 is formed in the center of the top of the rotating column 12, and first stirring blades 14 are fixedly mounted on the outer wall of the embedded groove 13 at equal intervals in the circumferential direction;
the outer cylinder 2 comprises an outer wall 21 which is connected with the inner wall of the bottom sleeve cover 11 in a threaded manner, and sliding grooves 22 are respectively formed in the left side and the right side of the inner wall of the outer wall 21;
the filtering pressure plate 5 comprises a circular plate 51 movably connected in the sliding groove 22, filtering through holes 52 are formed in the circular plate 51 in an annular and equidistant penetrating mode, an extension sleeve 53 is fixedly connected to the bottom of the center part of each filtering through hole 52, a threaded groove is formed in the inner ring of each extension sleeve 53, sweeping baffles 54 are fixedly installed on the lower surface of the circular plate 51 in an equidistant mode, and a pin located at the lower portion of the outer side of the end face of the circular plate 51 is movably connected to the top end in the sliding groove;
the driving device 6 comprises a motor 61 fixedly arranged in the middle of the top of the outer wall 21, a first connecting column 62 is fixedly arranged on an output shaft of the motor 61, a second connecting column 63 is fixedly arranged at one end of the first connecting column 62, a vertical groove 64 is formed in the inner part of the lower half part of the second connecting column 63, a third connecting column 65 is fixedly arranged at the top end of the vertical groove 64, and a limiting groove 66 is formed in the top of the third connecting column 65;
the telescopic stirring device 8 comprises a second stirring blade 81 movably mounted on the connecting column 7, the second stirring blade 81 is provided with a long groove close to the central part of the bottom of the third connecting column 65, and the inner bottom end of the long groove of the second stirring blade 81 is provided with a telescopic limiting groove 82;
the middle transmission structure 9 comprises a straight rod 91 movably connected to the inside of the second connecting column 63 and the third connecting column 65 in a penetrating manner, two layers of cross rods 92 are fixedly installed at the top of the straight rod 91, electromagnetic suction strips 93 are fixedly installed at the upper end and the lower end of each of the two layers of cross rods 92 respectively, a transmission sleeve 94 is fixedly installed at the outer end of each of the cross rods 92, a thread groove is formed in the outer wall of the transmission sleeve 94, a nesting block 95 is fixedly installed at the bottom end of the straight rod 91, a telescopic limiting rod 96 and a central stirring plate 97 are fixedly installed at the lower part of the nesting block 95 in an axial equidistant manner, the telescopic limiting rod 96 and the central stirring plate 97 are distributed in a crossing manner, a transmission pull ring 98 is fixedly installed;
the cross-sectional shape of the first stirring blade 14 is triangular, the bevel edge of the first stirring blade 14 is upward, the oblique direction of the bevel edge of the first stirring blade 14 is the same as the rotating direction of the rotating column 12, the design of the first stirring blade 14 with the bevel edge can ensure that the first stirring blade 14 can well stir the mixed liquid at the bottom in the rotating process along the bevel edge, and the beating stirring action of the second stirring blade 81 is combined, so that the mixed liquid is mixed more fully, the reaction is more sufficient, the separation of impurities in the mixed liquid is facilitated, and the treatment effect is improved;
the section of the transmission pull ring 98 is in an inverted convex shape and is sleeved outside the motor 61, the distance from the part of the upper hem of the transmission pull ring 98 to the upper surface of the circular plate 51 is greater than the distance from the bottom end of the transmission sleeve 94 to the upper surface of the third connecting column 65, and the up-and-down pulling effect can be well realized through the distance setting, so that the stretching effect on the second stirring blade 81 can be realized, and a coherent moving path can be provided for the movement of the filtering press plate 5 when oil separation is required, so that the filtering press plate 5 can be ensured to move downwards to compress impurities;
the second stirring blades 81 are blocky, the outer edges of the four second stirring blades 81 are arranged on the edge of a circle concentric with the third connecting column 65, the outer wall of each second stirring blade 81 is provided with a threaded groove continuous with the outer wall of the third connecting column 65, the telescopic limiting groove 82 is inclined from top to bottom from outside to inside, the telescopic limiting rod 96 is movably connected in the telescopic limiting groove 82, the telescopic limiting rod 96 can drive the second stirring blades 81 to open towards two sides in the descending process through the inclined arrangement of the telescopic limiting groove 82, so that the second stirring blades 81 can be used for stirring of the other part, meanwhile, the embedded block 95 can also be inserted into the embedded groove 13 and can simultaneously drive the rotating column 12 and the first stirring blades 14 to rotate, the mixing effect can be improved by combining the two, and the transmission pull ring 98 can be pulled up after the mixing is completed, therefore, the second stirring blades 81 can be retracted towards the middle, and the four second stirring blades 81 can also form a section on the downward moving track of the filtering pressing plate 5, so that the filtering pressing plate 5 can more fully compress the separated impurities downwards, and the best oil separation effect is achieved;
the height of the extension sleeve 53 is greater than the distance between the transmission sleeve 94 and the top of the third connecting column 65 after the transmission sleeve 94 rises, the outer walls of the transmission sleeve 94 and the third connecting columns 65 and 83 are provided with continuous thread grooves, the inner diameter of the extension sleeve 53 is equal to the outer diameters of the transmission sleeve 94 and the third connecting columns 65 and 83, after the reaction of the mixed liquid is completed, the middle transmission structure 9 is pulled upwards, so that the electromagnetic suction strip 93 is embedded into the upper part of the second connecting column 63, the transmission sleeve 94 and the extension sleeve 53 are in threaded connection under the driving of the motor 61, then the filter pressing plate 5 is driven to move downwards, and the top of the extension sleeve 53 can be ensured to contact with the thread on the third connecting column 65 by using the long extension sleeve 53 before being separated from the transmission sleeve 94 when the top of the extension sleeve 94 passes through the transmission sleeve 94 and the third connecting column 65, so that the filter pressing plate 5 can be ensured to move downwards smoothly, so as to realize the normal downward movement of the filtering pressure plate 5 therein and realize the separation effect on oil;
the aperture size of filtering through hole 52 is less than the size of impurity precipitation bulk, sweep baffle 54 and radially install in one side of every row of filtering through hole 52, extend sleeve 53 and move the in-process downwards under the drive of motor 61 like this, the bulk impurity of precipitating in the inside mixed liquid of outer wall 21 can slowly rotate under the effect of third spliced pole 65, and impurity all can be attached in one side of sweeping baffle 54 under slowly rotatory effect, and the mixed liquid after the processing then can upwards spill over in filtering through hole 52, can be fine prevent through sweeping baffle 54 that too much impurity in the in-process that descends from blockking up filtering through hole 52 like this, with the fine separation of guaranteeing oil, the quick separation of oil in outer wall 21 has also been realized, and the treatment efficiency is improved
The method for recycling the waste lubricating oil comprises the following steps:
s1, equipment checking: before the waste lubricating fluid is treated, whether the equipment can normally operate is checked;
s2, precipitation of impurities: adding the waste lubricating liquid and the chemical reagent into the equipment at the same time, starting the equipment, stirring the mixed liquid of the waste lubricating liquid and the chemical reagent to ensure that the mixed liquid and the mixed liquid are fully mixed and reacted, and separating out impurities in the mixed liquid as a reactant agglomerate;
s3, oil separation: impurities in the reacted mixed liquid are compressed downwards in the descending process through the filtering pressing plate 5, the impurities are gathered slowly, the filtered lubricating liquid is located on the upper surface of the circular plate 51, the upper lubricating liquid is pumped out from the upper part, and the impurities are discharged from the bottom of the equipment, so that the separation of oil is realized;
s4, cleaning equipment: after the treatment of the waste lubricating fluid is completed for one time, the equipment is comprehensively cleaned, and then the treatment of the next batch of waste lubricating fluid is carried out.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.