CN115006910A - Multistage separation device for oil field drilling mud treatment - Google Patents
Multistage separation device for oil field drilling mud treatment Download PDFInfo
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- CN115006910A CN115006910A CN202210522623.XA CN202210522623A CN115006910A CN 115006910 A CN115006910 A CN 115006910A CN 202210522623 A CN202210522623 A CN 202210522623A CN 115006910 A CN115006910 A CN 115006910A
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- 238000000926 separation method Methods 0.000 title claims abstract description 116
- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 15
- 238000012546 transfer Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a multistage separation device for treating oil field drilling mud, and relates to the technical field of oil field drilling. The novel collecting device comprises a collecting shell, a first separation structure, a conveying plate and a support, wherein the first separation structure is rotatably connected inside the collecting shell, the collecting shell is overlapped on the support, the conveying plate is detachably connected to the front side of the collecting shell, a second separation structure is overlapped on the support, and a building rod and a third separation structure are detachably connected to the second separation structure. According to the invention, the first separation structure is connected with the containing shell, the third separation structure is connected with the second separation structure, and the second separation structure is connected with the bracket, so that the problems that the existing oil field drilling mud separation device is inconvenient for quickly separating and discharging large-particle broken stones and scraps in mud, and is inconvenient for quick assembly and construction of a device body and quick disassembly and maintenance of the device body by oil field drilling workers are solved.
Description
Technical Field
The invention belongs to the technical field of oil field drilling, and particularly relates to a multistage separation device for treating oil field drilling mud.
Background
During the exploration, development and drilling process of oil and gas fields, a large amount of waste drilling mud is inevitably generated, and if the mud is not filtered, the external environment is greatly polluted and damaged;
the prior patent network discloses an oil field drilling mud solid-liquid separation device, and the patent number is CN213610103U publication, describes in the specification: the invention relates to the technical field of oil field drilling, in particular to an oil field drilling mud solid-liquid separation device which comprises a main shell, wherein supporting legs are fixed at four corners of the bottom of the main shell, a water outlet pipe is connected to the bottom of the main shell, a lower annular plate is fixed above the main shell, an upper shell is placed above the main shell, an upper annular plate is fixed above the main shell, the upper annular plate is placed above the lower annular plate, a plurality of limiting holes are formed in the lower annular plate, a plurality of limiting rods are fixed below the upper annular plate, one ends of the limiting rods penetrate through the limiting holes and extend downwards, a frame is installed below the main shell, a filter screen is fixed in the frame, and an inner shell is fixed in the main shell. The solid-liquid separation device can carry out solid-liquid separation on the mud by pouring the mud to be separated into the upper shell and using the filter screen, and can really play a good separation effect on the oil field drilling mud, but when the separation device is used, the separation device is inconvenient for quickly separating and discharging large-particle broken stones and scraps in the mud, and is inconvenient for multi-stage separation of impurities in the mud;
present oil field drilling mud separator simultaneously, the device body is comparatively complicated and huge, oil field drilling staff of being not convenient for builds device body fast assembly, the duty cycle of oil field well drilling has been increased, oil field drilling environment is comparatively abominable simultaneously, the complicacy of device body is with huge, the maintenance and the investigation degree of difficulty of serious increase device body, when the device body of being not convenient for takes place unusually, dismantle and maintain the device body fast, the maintenance cost of increase device body.
Therefore, the existing drilling mud separation device cannot meet the requirements in practical use, so that the improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The invention aims to provide a multistage separation device for treating oil field drilling mud, which is connected with a containing shell through a first separation structure, a third separation structure is connected with a second separation structure, and the second separation structure is connected with a bracket, so that the problems that the conventional oil field drilling mud separation device is inconvenient for quickly separating and discharging large-particle broken stones and scraps in the mud, is inconvenient for quickly separating and building impurities in the mud in a multistage manner, is inconvenient for the conventional oil field drilling mud separation device, and is inconvenient for quick assembly and construction of a device body and quick disassembly and maintenance of the device body by oil field drilling workers are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a multistage separation device for oil field drilling mud treatment, which comprises a receiving shell, a first separation structure, a conveying plate and a support, wherein the receiving shell is rotatably connected inside the receiving shell, the receiving shell is lapped on the support, the front side of the receiving shell is detachably connected with the conveying plate, the support is lapped with a second separation structure, the second separation structure is detachably connected with a building rod and a third separation structure, the lengths and the use angles of the second separation structure and the third separation structure are determined according to actual use conditions, the bottom of the third separation structure is detachably connected with a supporting rod and a rotating part, an inclined supporting rod is welded on the supporting rod, the receiving shell comprises a protective shell, a sealing ring, a discharge nozzle and a receiving nozzle, the receiving nozzle and the discharge nozzle are relatively distributed on the protective shell, and a square connecting pipe made of rubber is hermetically connected between the receiving nozzle and a receiving port of an inner barrel, the mud can be conveyed by external equipment through the inside of the inner barrel of the containing nozzle, the sealing ring is detachably connected to the front side of the protective shell, the first separation structure comprises an inner barrel, a filtering hole and an arc-shaped rack, the filtering hole is formed in the middle of the inner barrel, the arc-shaped rack is welded on the inner barrel, broken stones in the inner barrel can be guided and discharged through the conveying plate in the swinging process of the inner barrel, the support comprises a working plate, a transmission gear, an electric machine part, a slot, a square hole, a cylindrical supporting rod, a square plate and a supporting leg, the square hole and the slot are formed in the middle of the working plate, the cylindrical supporting rod, the transmission gear and the electric machine part are connected to the top surface of the working plate, the square plate and the supporting leg are connected to the lower portion of the working plate, the second separation structure comprises a sieve mesh, a sieve plate and an overlapping plate, the sieve mesh is arranged on the sieve plate in a matrix shape, and the overlapping plate is welded to the bottom surface of the sieve plate, the bracing piece includes the screw rod, changes female, accomodates pipe and block rubber, screw rod threaded connection accomodates on the pipe, change female bottom and accomodate the pipe and rotate to be connected, the block rubber is fixed in the bottom of accomodating the pipe, third isolating construction includes screen cloth, connecting rod and connecting bolt, the both sides of screen cloth all are fixed with the connecting rod, connecting bolt runs through on the connecting rod, it includes drive machine, first bearing, butt joint pole, transfer line and second bearing to rotate the piece, drive machine's output is fixed with the transfer line, the inner circle of first bearing and second bearing cup joints on the transfer line, the butt joint pole welding is on the transfer line, and the terminal surface of butt joint pole is the fillet.
Further, the inner cavity of the storage shell and the inner cavity of the first separation structure are communicated, and the third separation structure is rotatably connected with the second separation structure.
Further, the filtering holes are matched with the discharge nozzle, and the arc-shaped rack penetrates through the protective shell and is meshed with the transmission gear.
Furthermore, the square hole is matched with the discharge nozzle, the slot is matched with the lap plate, the cylindrical support rod is abutted to the protective shell, and the length of the support leg connected with the front part of the working plate is shorter than that of the support leg at the rear part of the working plate.
Further, the inboard and the sieve butt of connecting rod, connecting bolt through connection pole is connected with the sieve, and the screen cloth is one of the common screen cloth on the market.
Further, the rotating nut is in threaded connection with the screw, and a metal rod is welded between the accommodating pipe and the inclined supporting rod.
Further, the outer rings of the second bearing and the first bearing are fixed on a connecting rod, and the abutting rod abuts against the sieve cloth.
Furthermore, the abutting rods are welded on the transmission rod at equal intervals, and an output shaft of the transmission motor is fixed with the connecting rod.
Further, the structure of putting up pole and slope branch is the same with the structure of bracing piece, and the user can be to the inclination change of first isolating construction and second isolating construction through adjusting putting up pole, slope branch and bracing piece, the length of first isolating construction is greater than the length of accomodating shell.
The invention has the following beneficial effects:
1. when the invention is used, a user conveys the output end of external slurry conveying equipment to the inside of the inner barrel through the containing nozzle, then the output end of the electric element can drive the arc-shaped rack to move through the transmission gear, at the moment, the arc-shaped rack can drive the inner barrel to swing in the protective shell, can realize the preliminary filtration of the slurry, the slurry after the preliminary filtration can realize that gravels are left in the inner barrel, then the slurry after the preliminary filtration is secondarily filtered by the sieve plate, the mud after the final secondary filtration can be filtered by sieve cloth for three times, the filtration of the mud in the slurry can be realized, therefore, the mud is filtered by multiple stages, and the problems that the conventional oil field drilling mud separation device is inconvenient to quickly separate and discharge larger crushed stones and scraps in the mud and is inconvenient to separate impurities in the mud by multiple stages are solved.
2. When the first separation structure is connected with the containing shell, a user detaches the sealing ring from the protective shell, then the user abuts against a round block at the rear part of the inner barrel at the rear part of the inner cavity of the protective shell to complete connection, and then the user connects the sealing ring with the protective shell The second separation structure and the third separation structure are simple in construction mode, can be conveniently and quickly disassembled and assembled by workers, reduces the troubleshooting difficulty and maintenance cost of the device for the workers, and solves the problems that the existing oil field drilling mud separation device is inconvenient for the workers to quickly assemble and construct the device body and quickly disassemble and maintain the device body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing a connection structure of the receiving case and the first separating structure according to the present invention;
FIG. 3 is a view showing a connection structure of a second separation structure and a third separation structure according to the present invention;
FIG. 4 is a schematic structural view of a stent according to the present invention;
FIG. 5 is a view showing a connection structure of the inclined strut and the support bar according to the present invention;
FIG. 6 is a schematic view of the rotating member of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 11. a protective shell; 12. sealing the circular ring; 13. a discharge nozzle; 14. a receiving nozzle; 2. a first separation structure; 21. an inner barrel; 22. a filtration pore; 23. an arc-shaped rack; 3. A transfer plate; 4. a support; 41. a working plate; 42. a transmission gear; 43. an electric machine member; 44. inserting slots; 45. a square hole; 46. a cylindrical strut; 47. a square plate; 48. a support leg; 5. building a rod; 6. A second separation structure; 61. screening holes; 62. a sieve plate; 63. a lap plate; 7. a support bar; 71. A screw; 72. turning a nut; 73. receiving a tube; 74. a rubber block; 8. a third separation structure; 81. Screening cloth; 82. a connecting rod; 83. a connecting bolt; 9. tilting the strut; 10. a rotating member; 101. A drive motor; 102. a first bearing; 103. a butting rod; 104. a transmission rod; 105. a second bearing.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the invention relates to a multistage separation device for oilfield drilling mud treatment, which comprises a storage shell 1, a first separation structure 2, a transmission plate 3 and a support 4, wherein the interior of the storage shell 1 is rotatably connected with the first separation structure 2, the storage shell 1 is lapped on the support 4, the front side of the storage shell 1 is detachably connected with the transmission plate 3, the storage shell 1 is communicated with the inner cavity of the first separation structure 2, a third separation structure 8 is rotatably connected with the second separation structure 6, the support 4 is lapped with the second separation structure 6, the second separation structure 6 is detachably connected with a building rod 5 and a third separation structure 8, the bottom of the third separation structure 8 is detachably connected with a support rod 7 and a rotating piece 10, the support rod 7 is welded with an inclined support rod 9, the building rod 5 and the inclined support rod 9 have the same structure as the support rod 7, when the mud filter is used, a user connects the output end of external mud conveying equipment with the storage end of the first separation structure 2, the mud can be filtered for the first time by the first separation structure 2, broken stones in the mud can be left in the first separation structure 2 when the mud is filtered for the first time, the separated mud can penetrate through the storage shell 1 to be conveyed to the second separation structure 6, the mud can be filtered for the second time, larger silt particles in the mud can be discharged and separated through the second separation structure 6 when the mud is filtered for the second time, then the mud filtered for the second time can be filtered through the third separation structure 8, the silt in the mud can be filtered, the broken stones in the mud can be guided and discharged through the conveying plate 3 when the broken stones in the mud is primarily filtered, when the building rod 5 is used, the inclination angle of the second separation structure 6 can be adjusted, and when the supporting rod 7 and the inclined supporting rod 9 are used, the inclination angle of the third separation structure 8 can be adjusted.
As shown in fig. 1, 2 and 4, the storage shell 1 comprises a protective shell 11, a sealing ring 12, a discharge nozzle 13 and a storage nozzle 14, the storage nozzle 14 and the discharge nozzle 13 are relatively distributed on the protective shell 11, the sealing ring 12 is detachably connected to the front side of the protective shell 11, the first separation structure 2 comprises an inner barrel 21, a filtering hole 22 and an arc rack 23, the middle part of the inner barrel 21 is provided with the filtering hole 22, the arc rack 23 is welded on the inner barrel 21, the arc rack 23 drives the inner barrel 21 to swing at an angle of forty-five degrees, the filtering hole 22 is matched with the discharge nozzle 13, the arc rack 23 penetrates through the protective shell 11 and is meshed with the transmission gear 42, when the storage shell 1 and the first separation structure 2 are used, a user conveys slurry from the output end of external slurry conveying equipment to the inner barrel 21 through the storage nozzle 14, when the arc rack 23 drives the inner barrel 21 to swing, it is possible to achieve agitation of the slurry inside the inner tub 21, which can be conveyed through the filter holes 22 to the inside of the protective shell 11 when the slurry is agitated, and then the slurry can be conveyed through the discharge nozzle 13 to the second separation structure 6, and when the inner tub 21 is swinging, the crushed stones filtered inside the inner tub 21 can be conveyed to the outside through the transfer plate 3.
As shown in fig. 1, 2 and 4, the support 4 includes a working plate 41, a transmission gear 42, a motor element 43, a slot 44, a square hole 45, a cylindrical support rod 46, a square plate 47 and a leg 48, the square hole 45 is matched with the discharge nozzle 13, the slot 44 is matched with the lap plate 63, the cylindrical support rod 46 is abutted on the protective shell 11, the length of the leg 48 connected to the front of the working plate 41 is shorter than the length of the leg 48 at the rear of the working plate 41, the square hole 45 and the slot 44 are opened at the middle of the working plate 41, the cylindrical support rod 46, the transmission gear 42 and the motor element 43 are connected to the top of the working plate 41, the square plate 47 and the leg 48 are connected to the lower part of the working plate 41, when the support 4 is in use, the cylindrical support rod 46 is abutted on the receiving shell 1 by a user, at this time, the transmission gear 42 can be engaged with the arc-shaped rack 23, when the transmission gear 42 is driven by the motor element 43 to rotate, the transmission gear 42 can drive the inner barrel 21 to swing by the arc-shaped rack 23, can realize interior bucket 21 to mud prefilter, the inside rubble of interior bucket 21 of being convenient for simultaneously discharges the processing, and square plate 47 can protect motor piece 43 when using, and landing leg 48 can support the use to accomodating shell 1 through working plate 41 when using.
Wherein, as shown in fig. 1 and 3, the second separation structure 6 comprises a sieve pore 61, a sieve plate 62 and a lapping plate 63, the sieve pore 61 is arranged on the sieve plate 62 in a matrix shape, the lapping plate 63 is welded on the bottom surface of the sieve plate 62, the third separation structure 8 comprises a sieve cloth 81, a connecting rod 82 and a connecting bolt 83, the connecting rod 82 is fixed on both sides of the sieve cloth 81, the inner side of the connecting rod 82 is abutted against the sieve plate 62, the connecting bolt 83 penetrates through the connecting rod 82 and is connected with the sieve plate 62, the connecting bolt 83 penetrates through the connecting rod 82, when the second separation structure 6 and the third separation structure 8 are used, the user inserts the lapping plate 63 in the slot 44, at this time, the sieve plate 62 is abutted against the working plate 41, then the connecting bolt 83 penetrates through the connecting rod 82 and is connected with the sieve plate 62, the connection between the second separation structure 6 and the third separation structure 8 can be completed, when the sieve plate 62 is used, the primarily filtered mud can be filtered for the second time, great silt in the mud can carry to outside through sieve 62 this moment, and the mud of secondary filter can be filtered through third separation structure 8 the third time simultaneously, and less silt in the mud can discharge through sieve cloth 81 this moment.
Wherein as shown in fig. 1, 3, 5, the bracing piece 7 includes screw rod 71, change female 72, accomodate pipe 73 and block rubber 74, screw rod 71 threaded connection is on accomodating pipe 73, the bottom of changing female 72 rotates with accomodating pipe 73 to be connected, change female 72 and screw rod 71 threaded connection, it has the metal pole to weld between accomodating pipe 73 and the slope branch 9, block rubber 74 is fixed in the bottom of accomodating pipe 73, bracing piece 7 is when using, the user pushes up the top butt of screw rod 71 on connecting rod 82, the user rotates to change female 72, the length adjustment of accomodating pipe 73 of screw rod 71 being accomodate can be realized, the inclination that can realize third separation structure 8 changes, the user pushes up block rubber 74 on subaerial afterwards, can realize that bracing piece 7 supports third separation structure 8.
As shown in fig. 1, 3, and 6, the rotating member 10 includes a transmission motor 101, a first bearing 102, an abutting rod 103, a transmission rod 104, and a second bearing 105, an output end of the transmission motor 101 is fixed to the transmission rod 104, an output shaft of the transmission motor 101 is fixed to the connection rod 82, inner rings of the first bearing 102 and the second bearing 105 are sleeved on the transmission rod 104, outer rings of the second bearing 105 and the first bearing 102 are fixed to the connection rod 82, the abutting rod 103 is abutted to the screen cloth 81, the abutting rod 103 is welded to the transmission rod 104 at equal intervals, when the rotating member 10 is in use, a user connects the first bearing 102 and the second bearing 105 and the transmission motor 101 to the connection rod 82, so that the rotating member 10 can be connected to the third separation structure 8, when the transmission motor 101 is in use, the output shaft of the transmission motor 101 can drive the abutting rod 103 to rotate through the transmission rod 104, the pole 103 that supports this moment can strike sieve cloth 81, can realize that silt on sieve cloth 81 shakes off, avoids silt adhesion on sieve cloth 81.
One specific application of this embodiment is: firstly, a user connects a first separation structure 2 and a transmission plate 3 with a storage shell 1, then the user pushes the storage shell 1 against a support 4, when the output end of external slurry conveying equipment conveys slurry to the first separation structure 2, the first separation structure 2 can primarily filter the slurry, secondly, the user connects a third separation structure 8 with a second separation structure 6, then the user connects the second separation structure 6 with the support 4, the third separation structure 8 and the second separation structure 6 can filter the slurry again, and can realize three times of separation treatment of the slurry, thirdly, the user connects a building rod 5 on the second separation structure 6, connects an inclined support rod 9 and a support rod 7 on the third separation structure 8, can realize that the third separation structure 8 and the second separation structure 6 are supported below the first separation structure 2, and thirdly, the user connects rotation piece 10 on with third isolating construction 8, rotates piece 10 when using, can rock third isolating construction 8 to avoid silt and the adhesion of sieve cloth 81 in the mud.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (9)
1. The utility model provides an oil field drilling mud is handled and is used multistage separator, includes accomodate shell (1), first separation structure (2), conveying board (3) and support (4), its characterized in that: the inner part of the storage shell (1) is rotatably connected with a first separation structure (2), the storage shell (1) is in lap joint with a support (4), the front side of the storage shell (1) is detachably connected with a conveying plate (3), the support (4) is in lap joint with a second separation structure (6), the second separation structure (6) is detachably connected with a building rod (5) and a third separation structure (8), the bottom of the third separation structure (8) is detachably connected with a support rod (7) and a rotating piece (10), and an inclined support rod (9) is welded on the support rod (7);
the containing shell (1) comprises a protective shell (11), a sealing circular ring (12), a discharge nozzle (13) and a containing nozzle (14), the containing nozzle (14) and the discharge nozzle (13) are distributed on the protective shell (11) relatively, and the sealing circular ring (12) is detachably connected to the front side of the protective shell (11);
the first separation structure (2) comprises an inner barrel (21), a filtering hole (22) and an arc-shaped rack (23), the filtering hole (22) is formed in the middle of the inner barrel (21), and the arc-shaped rack (23) is welded on the inner barrel (21);
the support (4) comprises a working plate (41), a transmission gear (42), a motor part (43), a slot (44), a square hole (45), a cylindrical support rod (46), a square plate (47) and a support leg (48), the middle of the working plate (41) is provided with the square hole (45) and the slot (44), the top surface of the working plate (41) is connected with the cylindrical support rod (46), the transmission gear (42) and the motor part (43), and the lower part of the working plate (41) is connected with the square plate (47) and the support leg (48);
the second separation structure (6) comprises sieve holes (61), sieve plates (62) and lapping plates (63), the sieve holes (61) are arranged on the sieve plates (62) in a matrix shape, and the lapping plates (63) are welded on the bottom surfaces of the sieve plates (62);
the supporting rod (7) comprises a screw rod (71), a rotating nut (72), a containing pipe (73) and a rubber block (74), the screw rod (71) is in threaded connection with the containing pipe (73), the bottom of the rotating nut (72) is in rotating connection with the containing pipe (73), and the rubber block (74) is fixed to the bottom of the containing pipe (73);
the third separation structure (8) comprises a sieve cloth (81), connecting rods (82) and connecting bolts (83), the connecting rods (82) are fixed on two sides of the sieve cloth (81), and the connecting bolts (83) penetrate through the connecting rods (82);
the rotating piece (10) comprises a transmission motor (101), a first bearing (102), a butting rod (103), a transmission rod (104) and a second bearing (105), the output end of the transmission motor (101) is fixed with the transmission rod (104), the inner rings of the first bearing (102) and the second bearing (105) are sleeved on the transmission rod (104), and the butting rod (103) is welded on the transmission rod (104).
2. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: accomodate the inner chamber intercommunication of shell (1) and first isolating construction (2), third isolating construction (8) are connected with second isolating construction (6) rotation.
3. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the filter holes (22) are matched with the discharge nozzle (13), and the arc-shaped rack (23) penetrates through the protective shell (11) and is meshed with the transmission gear (42).
4. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the square hole (45) is matched with the discharge nozzle (13), the inserting groove (44) is matched with the lapping plate (63), the cylindrical supporting rod (46) abuts against the protective shell (11), and the length of the supporting leg (48) connected with the front part of the working plate (41) is shorter than that of the supporting leg (48) at the rear part of the working plate (41).
5. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the inner side of the connecting rod (82) is abutted to the sieve plate (62), and the connecting bolt (83) penetrates through the connecting rod (82) to be connected with the sieve plate (62).
6. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the rotating nut (72) is in threaded connection with the screw rod (71), and a metal rod is welded between the accommodating pipe (73) and the inclined support rod (9).
7. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the second bearing (105) and the outer ring of the first bearing (102) are fixed on a connecting rod (82), and the abutting rod (103) abuts against the sieve cloth (81).
8. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the abutting rods (103) are welded on the transmission rods (104) at equal intervals, and the output shaft of the transmission motor (101) is fixed with the connecting rod (82).
9. The multistage separation device for oilfield drilling mud treatment of claim 1, wherein: the structure of the building rod (5) and the structure of the inclined supporting rod (9) are the same as those of the supporting rod (7), and the length of the first separation structure (2) is larger than that of the accommodating shell (1).
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| CN202210522623.XA CN115006910B (en) | 2022-05-13 | 2022-05-13 | Multistage separation device for oilfield drilling mud treatment |
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| CN214260941U (en) * | 2020-11-19 | 2021-09-24 | 克拉玛依市华隆油田技术服务有限责任公司 | Quick solid-liquid separation device for oil field waste residues |
| CN113694606A (en) * | 2021-08-31 | 2021-11-26 | 长沙中大冶金设备有限公司 | Underground tunnel waste slurry solid-liquid separation device |
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| GB2061750A (en) * | 1979-10-26 | 1981-05-20 | Mather M J | Screening apparatus for drilling mud |
| CN106150411A (en) * | 2016-07-28 | 2016-11-23 | 成都高普石油工程技术有限公司 | Drilling fluid equipment for separating liquid from solid based on mud guard |
| CN106194081A (en) * | 2016-07-28 | 2016-12-07 | 成都高普石油工程技术有限公司 | The regeneration technology of water-based drilling muds |
| CN111054140A (en) * | 2020-01-09 | 2020-04-24 | 皮曼罗 | Petrochemical oil-water separation device |
| CN214260941U (en) * | 2020-11-19 | 2021-09-24 | 克拉玛依市华隆油田技术服务有限责任公司 | Quick solid-liquid separation device for oil field waste residues |
| CN113694606A (en) * | 2021-08-31 | 2021-11-26 | 长沙中大冶金设备有限公司 | Underground tunnel waste slurry solid-liquid separation device |
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