CN213555593U

CN213555593U - Filter equipment for oil convenient to residue is retrieved

Info

Publication number: CN213555593U
Application number: CN202021958807.3U
Authority: CN
Inventors: 傅广领
Original assignee: Individual
Current assignee: Xi'an Ze ming Petroleum Equipment Co.,Ltd.
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-29
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to an oil production technical field specifically is a filter equipment for oil convenient to residue is retrieved, including the broken storehouse of impurity and servo motor, the oil conveyer pipe has been seted up to the one end in the broken storehouse of impurity, the broken mechanism of inside fixedly connected with in the broken storehouse of impurity, servo motor is installed to one side in the broken storehouse of impurity, the inside that the broken storehouse of impurity extended to the broken storehouse of impurity is all passed to one side that the extrusion piece is close to each other, all broken fragments of even fixedly connected with on the inner wall in the broken storehouse of impurity, and the broken fragment of every group is all perpendicular fixedly connected with two sets ofly. The utility model discloses the device is in the oil production process, can be good mix with most solid and soft impurity to carry out quick breakage in the crude oil, avoid the impurity in the crude oil directly to carry in the pipeline, and the jam of pipeline is caused to the great impurity of volume, and the device can be effectual carries out quick recovery processing to the residue after filtering in the crude oil.

Description

Filter equipment for oil convenient to residue is retrieved

Technical Field

The utility model relates to an oil production technical field specifically is a filter equipment for oil convenient to residue is retrieved.

Background

The petroleum is a viscous and dark brown liquid called as industrial blood, the upper part of the crust has petroleum storage, the main component is a mixture of various alkanes, cyclanes and aromatics, and the petroleum is one of the main objects of geological exploration;

in oil production, a large amount of miscellaneous grit or other fixed impurity can be being adulterated to pipeline transportation's crude oil, long-time crude oil transportation, solid impurity can push away in the pipeline is inside, thereby can cause certain jam, so in crude oil transportation process, need use certain filter equipment, come to clear away the impurity that mix with to crude oil inside fast, current most petroleum filter equipment structure is too simple, most is directly to carry out screening filtration layer upon layer through the filter screen, the filter effect is not good, in crude oil transportation process, great bulky impurity is unlikely to lead to the fact certain jam phenomenon to the filter screen, thereby influence the processing production of crude oil, and also can't carry out quick collection processing to the impurity after filtering at traditional device, the user is when clearing up, waste time and energy, seriously influence work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter equipment for oil convenient to residue is retrieved, it is too simple to solve the current most oil filter equipment structure that proposes in the above-mentioned background art, it is direct to carry out screening filtration layer upon layer through the filter screen mostly, the filter effect is not good, in crude oil transportation process, the impurity of great volume probably can cause certain jam phenomenon to the filter screen, thereby influence the processing production of crude oil, and also can't carry out quick collection processing to the impurity after filtering at traditional device, the user is when clearing up, waste time and energy, seriously influence work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a petroleum filtering device convenient for residue recovery comprises an impurity crushing bin and a servo motor, wherein one end of the impurity crushing bin is provided with a petroleum conveying pipe, the other end of the impurity crushing bin is fixedly connected with a residue treatment bin, one end of the residue treatment bin is provided with a petroleum output pipe, one end of the impurity crushing bin is provided with a communicating port, the inside of the communicating port is communicated with the inside of the residue treatment bin, the inside of the impurity crushing bin is fixedly connected with a crushing mechanism, one side of the impurity crushing bin is provided with the servo motor, the output end of the servo motor is fixedly connected with a shaft rod, one end of the shaft rod penetrates through the impurity crushing bin and extends to the inside of the impurity crushing bin, the surface of the shaft rod is sleeved with two groups of bearing frames, one end of each bearing frame is fixedly connected with the inner wall of the impurity crushing bin, and the inside of the residue treatment bin is fixedly connected, the crushing mechanism comprises two groups of extruding sheets, the two groups of extruding sheets are symmetrically distributed, one side of each extruding sheet, which is close to each other, penetrates through the impurity crushing bin and extends to the inside of the impurity crushing bin, a reverse threaded rod is arranged below each extruding sheet, two ends of each reverse threaded rod are connected with the inner wall of the impurity crushing bin through embedded bearings, two ends of the surface of each reverse threaded rod are sleeved with threaded sleeves, one end of each threaded sleeve is fixedly connected with each extruding sheet, a first connecting rod is arranged below each reverse threaded rod, one end of each first connecting rod is connected with the inner wall of one end of each impurity crushing bin through the embedded bearings, the surface of the other end of each first connecting rod is connected with the inner wall of the impurity crushing bin through a bearing frame, a crushing blade is sleeved on the surface of each first connecting rod, and crushing blocks are uniformly and fixedly connected on the inner wall of each impurity crushing bin, and two groups of broken pieces are vertically and fixedly connected with each group of broken pieces.

Preferably, one end of the shaft lever is in transmission connection with the surface of the first linkage lever through a bevel gear, one end of the first linkage lever is in transmission connection with the surface of the reverse threaded rod through a bevel gear, and the shaft lever, the first linkage lever and the reverse threaded rod form a linkage mechanism.

Preferably, the material conveying and recycling mechanism comprises a filter screen, the periphery of the filter screen is fixedly connected with the inner wall of the residue treatment bin, a material conveying rod is arranged above the filter screen, one end of the material conveying rod is connected with the inner wall of the residue treatment bin through an embedded bearing, the other end of the material conveying rod penetrates through the residue treatment bin and extends to the outer side of the residue treatment bin, a material conveying sheet is fixedly connected to the surface of the material conveying rod, a conveying pipeline is arranged on one side of the residue treatment bin, a first gear is sleeved on one side of the surface of the material conveying rod, a second linkage rod is arranged above the first gear, a second gear is sleeved on the surface of the second linkage rod, a third gear is sleeved on the surface of the shaft rod, the second gear is meshed with the third gear, the first gear is meshed with the second gear, and two groups of fixing holes are formed in the surfaces of the two ends of the second linkage rod, and two sets of fixed orifices are symmetrically distributed, the one end fixedly connected with mounting of second trace, the one end of mounting is connected with one side in the broken storehouse of impurity through embedded bearing, two sets of fixed establishment have all been seted up to the inner wall of second gear both sides.

Preferably, fixed establishment includes the dashpot, the inside of dashpot all is provided with the fixed block, and the fixed block is close to each other one side all extends to the inside of fixed orifices, the slot has all been seted up on the surface of fixed block one side, the shifting chute has all been seted up to the inner wall of dashpot one side, and the inside of shifting chute all is provided with the inserted bar to the one end of inserted bar all passes the outside that the second gear extends to the second gear, the other end of inserted bar all passes the inside that the shifting chute extends to the slot, the inside of dashpot all is provided with the spring, the one end of spring all with one side fixed connection of fixed block, the other end of spring all with the inner wall fixed connection of dashpot.

Preferably, the inner wall of the moving groove is glued with a rubber pad, and the surface of the rubber pad is closely attached to the surface of the inserted link.

Preferably, a plug is inserted into one end of the conveying pipeline, a rubber pad is glued to the surface of the plug, and the surface of the rubber pad is tightly attached to the inner wall of the conveying pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the device can well and rapidly crush most of solid and soft impurities mixed in crude oil in the petroleum production process, avoids the blockage of a pipeline caused by the impurities with larger volume which are directly conveyed in the pipeline, and can effectively and rapidly recover and treat filtered residues in the crude oil;

1. through being provided with crushing mechanism, the user is when using the device, the user can open servo motor, make first linkage rod and reverse threaded rod carry out the rotation in impurity crushing storehouse fast, thereby the extrusion piece can clear away the extrusion breakage to the part soft impurity that mingles with in carrying crude oil fast, crushing blade high rotation simultaneously, the broken piece of cooperation, can be fast to in the crude oil, the solid impurity that mingles with the volume is great carries out the breakage, the user passes through crushing mechanism, make the device in the oil production process, can be good carry out fast breakage to mingling with most solid and soft impurity in the crude oil, impurity in avoiding the crude oil is directly carried in the pipeline, the impurity that the volume is great causes the jam of pipeline, thereby influence the transport of crude oil, convenience of customers uses, make the practicality of the device obtain certain reinforcing;

2. through the material conveying and recycling mechanism, after the device finishes crushing impurities in crude oil, the crude oil carries impurity residues and continuously drops on the surface of the filter screen, the crude oil can be rapidly filtered through the filter screen, the residues stay on the surface of the filter screen, and after a certain time, a user rapidly adjusts the installation position of the second gear, so that the material conveying rod rapidly drives the material conveying sheet to rotate on the surface of the filter screen, the material conveying sheet can rapidly convey the residues on the surface of the filter screen to the inside of the conveying pipeline, the device can effectively and rapidly recycle the filtered residues in the crude oil, the situation that the residues stay in the device for a long time and block the surface of the filter screen is avoided, the later-stage oil of the device is influenced, the crude oil quality is reduced, and to a certain extent, the user can enhance the use range of the device by the user through the material conveying and recycling mechanism, the user can clean the petroleum residues more easily.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic top sectional view of the structure at A-A in FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present invention;

fig. 4 is a schematic side view of the structure of the present invention.

In the figure: 100. an impurity crushing bin; 200. a petroleum conveying pipe; 300. a residue treatment bin; 400. a petroleum output pipe; 500. a crushing mechanism; 510. extruding the sheet; 511. a reverse threaded rod; 512. a threaded sleeve; 513. a first linkage rod; 514. crushing the blade; 515. breaking the fragments; 600. a communication port; 700. a material conveying and recovering mechanism; 710. a filter screen; 711. a material conveying rod; 712. feeding sheets; 713. a delivery conduit; 714. a first gear; 715. a second linkage rod; 716. a second gear; 717. a third gear; 718. a fixing hole; 719. a fixing member; 720. a fixing mechanism; 721. a buffer tank; 722. a fixed block; 723. a slot; 724. a moving groove; 725. inserting a rod; 800. a servo motor; 900. a shaft rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a filtering device for petroleum convenient for residue recovery comprises an impurity crushing bin 100 and a servo motor 800, wherein one end of the impurity crushing bin 100 is provided with a petroleum conveying pipe 200, the other end of the impurity crushing bin 100 is fixedly connected with a residue treatment bin 300, one end of the residue treatment bin 300 is provided with a petroleum output pipe 400, one end of the impurity crushing bin 100 is provided with a communication port 600, the inside of the communication port 600 is communicated with the inside of the residue treatment bin 300, the inside of the impurity crushing bin 100 is fixedly connected with a crushing mechanism 500, one side of the impurity crushing bin 100 is provided with the servo motor 800, the servo motor 800 can convert a voltage signal into a torque and a rotating speed to drive a control object, the rotating speed and the steering of the shaft rod 900 are controlled, the output end of the servo motor 800 is fixedly connected with the shaft rod 900, and one end of the shaft rod 900 passes through the impurity crushing bin 100, the surface of the shaft lever 900 is sleeved with two groups of bearing frames, one end of each bearing frame is fixedly connected with the inner wall of the impurity crushing bin 100, the inner part of the residue treatment bin 300 is fixedly connected with a material conveying and recycling mechanism 700, the crushing mechanism 500 comprises two groups of extrusion sheets 510, the two groups of extrusion sheets 510 are symmetrically distributed, one sides of the extrusion sheets 510 close to each other penetrate through the impurity crushing bin 100 and extend to the inner part of the impurity crushing bin 100, a reverse threaded rod 511 is arranged below the extrusion sheets 510, two ends of the reverse threaded rod 511 are connected with the inner wall of the impurity crushing bin 100 through embedded bearings, two ends of the surface of the reverse threaded rod 511 are sleeved with threaded sleeves 512, one end of each threaded sleeve 512 is fixedly connected with the extrusion sheets 510, a first connecting rod 513 is arranged below the reverse threaded rod 511, and one end of the first connecting rod 513 is connected with the inner part of one end of the impurity crushing bin 100 through the embedded bearings, the surface of the other end of the first linkage rod 513 is connected with the inner wall of the impurity crushing bin 100 through a bearing frame, crushing blades 514 are sleeved on the surface of the first linkage rod 513, crushing blocks 515 are uniformly and fixedly connected to the inner wall of the impurity crushing bin 100, and two groups of crushing blocks 515 are vertically and fixedly connected to each group of crushing blocks 515;

furthermore, one end of the shaft lever 900 is in transmission connection with the surface of the first linkage lever 513 through a bevel gear, one end of the first linkage lever 513 is in transmission connection with the surface of the reverse threaded rod 511 through a bevel gear, the shaft lever 900, the first linkage lever 513 and the reverse threaded rod 511 form a linkage mechanism, when a user uses the device, the shaft lever 900 rotates at a high speed, the shaft lever 900, the first linkage lever 513 and the reverse threaded rod 511 are meshed through the bevel gears to form the linkage mechanism, and when the shaft lever 900 rotates automatically, the first linkage lever 513 and the reverse threaded rod 511 can be rapidly linked, so that the first linkage lever 513 and the reverse threaded rod 511 can rotate simultaneously;

further, the material conveying and recycling mechanism 700 comprises a filter screen 710, the periphery of the filter screen 710 is fixedly connected with the inner wall of the residue treatment bin 300, a material conveying rod 711 is arranged above the filter screen 710, one end of the material conveying rod 711 is connected with the inner wall of the residue treatment bin 300 through an embedded bearing, the other end of the material conveying rod 711 passes through the residue treatment bin 300 and extends to the outer side of the residue treatment bin 300, a material conveying sheet 712 is fixedly connected to the surface of the material conveying rod 711, a conveying pipeline 713 is arranged on one side of the residue treatment bin 300, a first gear 714 is sleeved on one side of the surface of the material conveying rod 711, a second linkage 715 is arranged above the first gear 714, a second gear 716 is sleeved on the surface of the second linkage 715, a third gear 717 is sleeved on the surface of the shaft 900, the second gear 716 is meshed with the third gear 717, the first gear 714 is meshed with the second gear 716, two sets of fixing holes 718 are arranged on the surfaces of the two ends of the second linkage 715, two sets of fixing holes 718 are symmetrically distributed, one end of a second linkage 715 is fixedly connected with a fixing part 719, one end of the fixing part 719 is connected with one side of the impurity crushing bin 100 through an embedded bearing, two sets of fixing mechanisms 720 are arranged on the inner walls of two sides of the second gear 716, through the material conveying recovery mechanism 700, after the servo motor 800 is started, the second gear 716 can rapidly link the material conveying rod 711, so that the material conveying rod 711 can continuously drive the material conveying sheet 712 to rotate on the surface of the filter screen 710, the material conveying sheet 712 can effectively and rapidly remove residues stored on the surface of the filter screen 710 after crude oil is filtered, and the residues are prevented from staying on the surface of the filter screen 710 for a long time to cause blockage, so that the normal use of the device is influenced;

further, the fixing mechanism 720 includes a buffer slot 721, the buffer slot 721 is internally provided with a fixing block 722, one side of the fixing block 722 adjacent to each other is extended into the fixing hole 718, the surface of one side of the fixing block 722 is provided with a slot 723, the inner wall of one side of the buffer slot 721 is provided with a moving slot 724, the inside of the moving slot 724 is provided with a plunger 725, one end of the plunger 725 passes through the second gear 716 and is extended to the outside of the second gear 716, the other end of the plunger 725 passes through the moving slot 724 and is extended into the slot 723, the inside of the buffer slot 721 is provided with a spring, one end of the spring is fixedly connected with one side of the fixing block 722, the other end of the spring is fixedly connected with the inner wall of the buffer slot 721, the mounting position of the second gear 716 can be effectively adjusted by the fixing mechanism 720, so that a user can well adjust and control the meshing relationship between the second gear 716 and the third gear 717 and the first gear 714, the user can conveniently and quickly clean the crude oil residues after the crude oil filtration is finished;

furthermore, rubber pads are glued on the inner walls of the moving grooves 724, the surfaces of the rubber pads are closely attached to the surface of the inserted link 725, the friction force of screwing when a user screws the inserted link 725 can be increased through the rubber pads glued on the inner walls of the moving grooves 724, and the inserted link 725 can be quickly fixed through the rubber pads when the user stops screwing the inserted link 725;

furthermore, a plug is inserted into one end of the conveying pipeline 713, a rubber pad is glued to the surface of the plug, the surface of the rubber pad is tightly attached to the inner wall of the conveying pipeline 713, friction force generated when the plug is in contact with the inner wall of the conveying pipeline 713 can be increased through the rubber pad glued to the surface of the plug, and when a user stops screwing the plug, the plug can be stopped inside the conveying pipeline 713.

The working principle is as follows: when the user uses the device, the user firstly needs to connect the servo motor 800 with an external power supply of the device, so that the servo motor 800 is normally started, meanwhile, the oil is continuously conveyed to the inside of the impurity crushing bin 100 through the oil conveying pipe 200, because of the starting of the servo motor 800, the servo motor 800 continuously drives the shaft rod 900 to intermittently and repeatedly rotate in the impurity crushing bin 100, the shaft rod 900 quickly links the first link rod 513 through the bevel gear, so that the first link rod 513 drives the crushing blade 514 to rotate at a high speed in the impurity crushing bin 100, the crushing block 515 is matched, the fixed impurities mixed in the conveyed crude oil can be quickly crushed, and the first link rod 513 can quickly rotate through the bevel gear when rotating, the reverse threaded rod 511 can simultaneously rotate simultaneously, the reverse threaded rod 511 is matched with the thread structure formed by the thread sleeve 512, the threaded sleeve 512 rapidly drives the extrusion sheet 510 to move repeatedly, so that the extrusion sheet 510 can rapidly crush part of large-volume soft impurities mixed in crude oil;

after the crude oil is crushed, the crude oil is conveyed into the residue treatment bin 300 through the communication port 600 quickly and falls on the surface of the filter screen 710 continuously, the crude oil can be filtered through the filter screen 710 quickly, the residue in the crude oil is not pushed and accumulated on the surface of the filter screen 710, and when a user uses the crude oil and needs to recover and clean the residue, the user can quickly screw the inserted rod 725, so that the inserted rod 725 continuously moves outwards in the moving groove 724, the inserted rod 725 directly leaves the inside of the slot 723, the user can quickly adjust the installation position of the second gear 716, so that the second gear 716 can be meshed with the first gear 714 and the third gear 717, the second gear is matched with the rotation of the shaft rod 900, and the material conveying rod 711 can be quickly transmitted, so that the material conveying rod 711 continuously drives the material conveying sheet 712 to rotate on the surface of the filter screen 710, and impurities accumulated on the surface of the filter screen 710 can be quickly removed, the impurities are continuously transported out through the transport pipe 713.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. The utility model provides a filter equipment for oil convenient to residue is retrieved, includes broken storehouse of impurity (100) and servo motor (800), its characterized in that: one end of the impurity crushing bin (100) is provided with an oil conveying pipe (200), the other end of the impurity crushing bin (100) is fixedly connected with a residue processing bin (300), one end of the residue processing bin (300) is provided with an oil output pipe (400), one end of the impurity crushing bin (100) is provided with a communication port (600), the inside of the communication port (600) is communicated with the inside of the residue processing bin (300), the inside of the impurity crushing bin (100) is fixedly connected with a crushing mechanism (500), one side of the impurity crushing bin (100) is provided with a servo motor (800), the output end of the servo motor (800) is fixedly connected with a shaft rod (900), one end of the shaft rod (900) penetrates through the impurity crushing bin (100) and extends to the inside of the impurity crushing bin (100), two sets of shaft rod bearing frames are sleeved on the surface of the shaft rod (900), and one ends of the shaft rod bearing frames are fixedly connected with the inner wall of the impurity crushing bin, defeated material recovery mechanism (700) of inside fixedly connected with of residue handling storehouse (300), broken mechanism (500) is including extrusion piece (510), and extrusion piece (510) are two sets of, two sets of extrusion piece (510) symmetric distribution, one side that extrusion piece (510) are close to each other all passes the inside that broken storehouse of impurity (100) extended to broken storehouse of impurity (100), the below of extrusion piece (510) is provided with reverse threaded rod (511), and the both ends of reverse threaded rod (511) are all connected with the inner wall of broken storehouse of impurity (100) through embedded bearing, the both ends on reverse threaded rod (511) surface all overlap and are equipped with thread bush (512), and the one end of thread bush (512) all with extrusion piece (510) looks fixed connection, the below of reverse threaded rod (511) is provided with first link rod (513), and the one end of first link rod (513) is connected with the interior of broken storehouse of impurity (100) one end through embedded bearing, the surface of first interlock pole (513) other end is connected with the inner wall in the broken storehouse of impurity (100) through the bearing bracket, the surface cover of first interlock pole (513) is equipped with crushing blade (514), all even fixedly connected with breaks (515) on the inner wall in the broken storehouse of impurity (100), and every group breaks (515) all perpendicular fixedly connected with two sets ofly.

2. The petroleum filtering device for facilitating the recovery of residues according to claim 1, wherein: one end of the shaft lever (900) is in transmission connection with the surface of the first linkage lever (513) through a bevel gear, one end of the first linkage lever (513) is in transmission connection with the surface of the reverse threaded rod (511) through the bevel gear, and the shaft lever (900), the first linkage lever (513) and the reverse threaded rod (511) form a linkage mechanism.

3. The petroleum filtering device for facilitating the recovery of residues according to claim 1, wherein: defeated material recovery mechanism (700) includes filter screen (710), all around of filter screen (710) all with the inner wall fixed connection in residue processing storehouse (300), the top of filter screen (710) is provided with defeated material pole (711), the one end of defeated material pole (711) is connected with the inner wall in residue processing storehouse (300) through embedded bearing, the other end of defeated material pole (711) passes residue processing storehouse (300) and extends to the outside in residue processing storehouse (300), the fixed surface of defeated material pole (711) is connected with defeated tablet (712), pipeline (713) have been seted up to one side in residue processing storehouse (300), first gear (714) have been cup jointed to one side on defeated material pole (711) surface, the top of first gear (714) is provided with second trace (715), the surface cover of second trace (715) is equipped with second gear (716), the surface of axostylus axostyle (900) cup joints third gear (717), second gear (716) meshes with third gear (717) mutually, first gear (714) meshes with second gear (716) mutually, two sets of fixed orifices (718) have all been seted up on the surface at second trace (715) both ends, and two sets of fixed orifices (718) symmetric distribution, the one end fixedly connected with mounting (719) of second trace (715), the one end of mounting (719) is connected with one side of broken storehouse of impurity (100) through embedded bearing, two sets of fixed establishment (720) have all been seted up to the inner wall of second gear (716) both sides.

4. A filtering apparatus for petroleum for facilitating the recovery of residue according to claim 3, wherein: the fixing mechanism (720) comprises a buffer groove (721), the buffer groove (721) is internally provided with a fixing block (722), and the sides of the fixing blocks (722) close to each other all extend to the inside of the fixing hole (718), the surface of one side of the fixed block (722) is provided with slots (723), the inner wall of one side of the buffer slot (721) is provided with a moving slot (724), the inside of the moving slot (724) is provided with an inserted link (725), and one end of the inserted rod (725) extends to the outside of the second gear (716) through the second gear (716), the other end of the inserted rod (725) passes through the moving slot (724) and extends to the inside of the slot (723), the inside of buffer slot (721) all is provided with the spring, the one end of spring all with one side fixed connection of fixed block (722), the other end of spring all with the inner wall fixed connection of buffer slot (721).

5. The petroleum filtering device for facilitating the recovery of residues according to claim 4, wherein: rubber pads are glued on the inner walls of the moving grooves (724), and the surfaces of the rubber pads are closely attached to the surface of the inserted rod (725).

6. A filtering apparatus for petroleum for facilitating the recovery of residue according to claim 3, wherein: one end of the conveying pipeline (713) is inserted with a plug, a rubber pad is glued on the surface of the plug, and the surface of the rubber pad is tightly attached to the inner wall of the conveying pipeline (713).