CN211436665U - Oil recovery anticorrosive treatment device - Google Patents
Oil recovery anticorrosive treatment device Download PDFInfo
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- CN211436665U CN211436665U CN201921667132.4U CN201921667132U CN211436665U CN 211436665 U CN211436665 U CN 211436665U CN 201921667132 U CN201921667132 U CN 201921667132U CN 211436665 U CN211436665 U CN 211436665U
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Abstract
The utility model relates to an oil extraction anti-corrosion treatment device, which comprises two supporting tables, wherein one side of the top parts of the two supporting tables, which is far away from each other, is fixedly connected with a supporting plate, the top part of the supporting plate is fixedly connected with a transverse plate, the right side of the top part of the supporting table is positioned at the left side, the top part of the supporting table is positioned at the right side, the output end of the horizontal moving mechanism is fixedly connected with a bearing seat b, the inner cavities of the bearing seat a and the bearing seat b are rotatably connected with a three-jaw chuck, and the left side of the supporting plate is positioned at the left side and is fixedly provided with a driving motor a. the oil extraction anti-corrosion treatment device can automatically spray anti-corrosion oil on the surface of a pipe fitting and wind waterproof cloth, the treated pipe fitting has good anti-corrosion effect, can be used underground for, is convenient for users to use.
Description
Technical Field
The utility model relates to a pipe fitting anticorrosive treatment technical field, concretely relates to oil recovery anticorrosive treatment device.
Background
Oil recovery engineering is a general term for various engineering technical measures taken on an oil reservoir through a production well and an injection well according to development targets in the oil field exploitation process. As a comprehensive application subject, the theory, the engineering design method and the implementation technology of various engineering technical measures which can economically and effectively act on an oil reservoir to improve the yield of an oil well and the recovery ratio of crude oil are researched.
The task of oil extraction engineering is to enable oil and gas to flow into a well smoothly through a series of engineering technical measures capable of acting on an oil reservoir, and the well is lifted to the ground efficiently to be separated and metered; the goal is to economically and efficiently increase oil wells and oil recovery. From the viewpoint of system engineering, the oil extraction engineering is an important subsystem in the central position in a large oil field exploitation system and is closely related to oil reservoir engineering and oil and gas gathering and transportation engineering in an oil field. Oil recovery projects are faced with various types of oil reservoirs with different geological conditions and dynamic changes, and good economic effects can be obtained only by correctly selecting and implementing technically feasible and economically reasonable engineering technical schemes according to the geological conditions and the dynamic changes of the oil reservoirs. To do this, it is necessary to carry out comprehensive comparative analysis on the basis of mastering the basic principles, calculation and engineering design methods of various engineering technical measures.
The pipe fitting need bury in the underground and carry out oil transportation in the oil production engineering, but the phenomenon that the pipe fitting corrodes can appear in the long-time use in the underground, consequently need do anticorrosive treatment to the pipe fitting, but traditional pipe fitting anticorrosive treatment needs artifical manual spraying anticorrosive oil on the surface of pipe fitting, winding tarpaulin, complex operation has increased staff's intensity of labour, and inconvenient staff uses.
Based on this, the utility model designs specifically be an oil recovery anticorrosive treatment device to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least defect among the prior art is overcome to a main aim at, provides an oil recovery anticorrosive treatment device to solve traditional pipe fitting anticorrosive treatment who proposes among the above-mentioned background art and need artifical manual spraying anticorrosive oil on the surface of pipe fitting, winding tarpaulin, complex operation has increased staff's intensity of labour's problem.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
an oil extraction anti-corrosion treatment device comprises two supporting tables, wherein supporting plates are fixedly connected to the sides, far away from each other, of the tops of the two supporting tables, the tops of the supporting plates are fixedly connected with a transverse plate, the right side, located at the top of the supporting table on the left side, is fixedly connected with a bearing seat a, the top of the supporting table on the right side is fixedly connected with a horizontal moving mechanism, the output end of the horizontal moving mechanism is fixedly connected with a bearing seat b, the inner cavities of the bearing seat a and the bearing seat b are respectively and rotatably connected with a three-jaw chuck, a driving motor a is fixedly installed on the left side of the supporting plate on the left side, and the output shaft of the;
the top of the left side supporting plate is fixedly connected with a driving motor b positioned at the rear side of the driving motor a, an output shaft of the driving motor b penetrates through the supporting plate and is fixedly connected with a lead screw, the right end of the lead screw is rotatably connected with the supporting plate positioned at the right side, the surface of the lead screw is in threaded connection with two threaded pipes, the surfaces of the threaded pipes are fixedly connected with fixing plates in sliding connection with transverse plates, the bottoms of the two fixing plates are fixedly connected with U-shaped plates, and the inner cavities of the U-shaped plates are rotatably connected with;
be located the right side fixedly connected with batch oil tank of brace table, the right side intercommunication at batch oil tank top has inlet pipe, the bottom intercommunication on right side to have the discharging pipe, the surface of discharging pipe is equipped with the stop valve, the left side fixed mounting at batch oil tank top has the oil pump, the input of oil pump runs through to inner chamber, the output intercommunication of batch oil tank has L type pipe, the one end that the oil pump was kept away from to L type pipe runs through the backup pad that is located the right side and with be located left backup pad fixed connection, the horizontal segment of L type pipe is directly over bearing frame an and bearing frame b and even intercommunication has the shower nozzle that is located between two three-jaw chucks, and top fixedly connected with between two brace tables is located the oil trap under the shower nozzle, the bottom intercommunication of.
Preferably, horizontal migration mechanism is including fixing the horizontal plate that is located a right side supporting bench top, the spout has been seted up at the top of horizontal plate, the bottom fixedly connected with and the spout sliding connection's of bearing frame b slider, the right side fixedly connected with screw plate at horizontal plate top, the inner chamber threaded connection of screw plate has the threaded rod, the left end of threaded rod is rotated with bearing frame b's right side and is connected, right-hand member fixedly connected with swiveling wheel.
Preferably, the top of diaphragm and the position that corresponds the fixed plate have seted up T type groove, the top of fixed plate have with T type groove sliding connection's T type portion, and the top of fixed plate extends to the top of diaphragm.
Preferably, the top between the two fixing plates is fixedly connected through a connecting plate.
Preferably, the bottom of the oil outlet pipe is provided with a collecting vehicle, and the front surface of the connecting plate is fixedly provided with a handle.
Preferably, a square opening is formed in the right side of the supporting plate on the right side, and the L-shaped pipe penetrates through the square opening.
Preferably, the surface of the L-shaped pipe, which is positioned in the inner cavity of the square opening, is sleeved with a fixing sleeve, and the top end of the fixing sleeve is fixedly connected with the supporting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can fix the pipe between the two three-jaw chucks by using the bearing seat a, the horizontal moving mechanism, the bearing seat b and the three-jaw chucks in a matching way, and then the driving motor a is used for driving the three-jaw chucks and the pipe to rotate; the winding drum with the waterproof cloth can be driven to move left and right through the matched use of the driving motor b, the lead screw, the threaded pipe, the fixing plate and the U-shaped plate, one end of the waterproof cloth is fixed on the pipe fitting during working, and the waterproof cloth can be uniformly wound on the pipe fitting through the rotation of the pipe fitting and the movement of the winding drum; through the matching of the oil storage tank, the oil pump, the L-shaped pipe and the spray head, the anticorrosion oil can be uniformly sprayed on the surface of the pipe fitting while the pipe fitting rotates, so that an anticorrosion oil layer is formed on the surface of the pipe fitting, and the effect of the device on anticorrosion treatment of the pipe fitting is achieved; this oil recovery anticorrosive treatment device can be automatically at the surface spraying anticorrosive oil of pipe fitting, winding tarpaulin to can spraying multilayer anticorrosive oil reservoir, winding multilayer waterproof cloth layer, the pipe fitting after the processing is anticorrosive effectual, can be long-time use underground, its simple structure, convenient operation has reduced staff's intensity of labour greatly, and the person of facilitating the use uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 view of the structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of another perspective of the present invention;
fig. 4 is a schematic perspective view of the structure of the horizontal moving mechanism and the bearing seat b of the present invention;
fig. 5 is a schematic perspective view of another view angle of the structure of the horizontal moving mechanism and the bearing seat b of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a support table; 2. a support plate; 3. a transverse plate; 301. a T-shaped groove; 4. a bearing seat a; 5. a horizontal movement mechanism; 51. a horizontal plate; 52. a chute; 53. a slider; 54. a thread plate; 55. a threaded rod; 56. a rotating wheel; 6. a bearing seat b; 7. a three-jaw chuck; 8. driving a motor a; 9. a drive motor b; 10. a screw rod; 11. a threaded pipe; 12. a fixing plate; 13. a U-shaped plate; 14. winding the roll; 15. a feed pipe; 16. a discharge pipe; 17. an oil pump; 18. an L-shaped pipe; 19. a spray head; 20. an oil sump; 21. an oil outlet pipe; 22. a connecting plate; 23. a collection vehicle; 24. a handle; 25. fixing a sleeve; 26. an oil storage tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Please refer to fig. 1-5, the utility model provides an oil recovery anti-corrosion treatment device, including two supporting platforms 1, the equal fixedly connected with backup pad 2 in one side that two supporting platforms 1 tops kept away from each other, the top fixedly connected with diaphragm 3 of backup pad 2, the right side fixedly connected with bearing frame a4 that is located left side supporting platform 1 top, the top fixedly connected with horizontal migration mechanism 5 that is located right side supporting platform 1, the output fixedly connected with bearing frame b6 of horizontal migration mechanism 5, concretely, horizontal migration mechanism 5 is including fixing at the horizontal plate 51 that is located right side supporting platform 1 top, spout 52 has been seted up at the top of horizontal plate 51, the bottom fixedly connected with of bearing frame b6 and spout 52 sliding connection's slider 53, the right side fixedly connected with screw plate 54 at the top of horizontal plate 51, the inner chamber threaded connection of screw plate 54 has threaded rod 55, the left end of threaded rod 55 is rotated with the right, The right end is fixedly connected with a rotating wheel 56, when in use, a user rotates the rotating wheel 56, the rotating wheel 56 drives a threaded rod 55 to rotate in a threaded plate 54, the threaded rod 55 is matched with the threaded plate 54 through threads, a sliding groove 52 is matched with a sliding block 53, the threaded rod 55 can drive a bearing seat b6 to move leftwards or rightwards, and further drives a three-jaw chuck 7 to move leftwards or rightwards, so that a pipe fitting between the two three-jaw chucks 7 can be conveniently fixed, the inner cavities of the bearing seat a4 and the bearing seat b6 are both rotatably connected with the three-jaw chuck 7, a driving motor a8 is fixedly arranged on the left side of a left side supporting plate 2, the driving motor a8 is a servo motor, an output shaft of the driving motor a8 penetrates through the supporting plate 2 and is fixedly connected with the three-jaw chuck 7 on the bearing seat a4, when in use, firstly, the jaws of the three-jaw chuck 7 on the bearing seat a4 are positioned in the left inner cavity of the pipe fitting, then the three jaws of the three-jaw chuck 7 move outwards to fix the left end of the pipe fitting, then the rotating wheel 56 is rotated to enable the threaded rod 55 to drive the bearing seat b6 to move leftwards, so that the jaws of the three-jaw chuck 7 on the bearing seat b6 are positioned in the right inner cavity of the pipe fitting, the three jaws of the three-jaw chuck 7 move outwards to fix the right end of the pipe fitting, and finally, the output shaft of the driving motor a8 drives the three-jaw chuck 7 on the bearing seat a4 by starting the driving motor a8, and the pipe fitting is fixed by the two three-jaw chucks 7, so that the two three-jaw chucks 7 and;
a driving motor b9 positioned at the rear side of the driving motor a8 is fixedly connected to the top of the left side supporting plate 2, the driving motor b9 is a servo motor, the output shaft of the driving motor b9 passes through the supporting plate 2 and is fixedly connected with a screw rod 10, the right end of the screw rod 10 is rotatably connected with the supporting plate 2 positioned at the right side, the surface of the screw rod 10 is in threaded connection with two threaded pipes 11, the surface of the threaded pipe 11 is fixedly connected with a fixing plate 12 in sliding connection with the transverse plate 3, wherein a T-shaped groove 301 is arranged at the top of the transverse plate 3 and corresponding to the fixing plate 12, a T-shaped part in sliding connection with the T-shaped groove 301 is arranged at the top end of the fixing plate 12, the top end of the fixing plate 12 extends to the top of the transverse plate 3, the top between the two fixing plates 12 is fixedly connected through a connecting plate 22, and the U, the downward pressure of the fixing plates 12 on the threaded pipe 11 is reduced, so that the threaded pipe 11 moves on the screw rod 10 more smoothly, the top ends of the two fixing plates 12 are fixed through the connecting plates 22, the two fixing plates 12 move more synchronously, the stability of the device in operation is ensured, the bottoms of the two fixing plates 12 are fixedly connected with the U-shaped plates 13, the inner cavities of the U-shaped plates 13 are rotatably connected with the winding drums 14, waterproof cloth such as glass fiber cloth or non-woven fabric is wound on the surfaces of the winding drums 14 in operation, one ends of the waterproof cloth are fixed on the pipe fitting between the two three-jaw chucks 7, by starting the driving motor b9, the output shaft of the driving motor b9 drives the screw rod 10 to rotate, the threaded matching of the screw rod 10 and the threaded pipe 11 is realized, the sliding connection of the fixing plates 12 and the transverse plate 3 is realized, the threaded pipe 11 moves leftwards or rightwards on the screw rod 10, so that the, wherein the distance that the take-up reel 14 moves is between half the tarpaulin width to one tarpaulin width for each rotation of the pipe;
the right side of the right supporting platform 1 is fixedly connected with an oil storage tank 26, the right side of the top of the oil storage tank 26 is communicated with a feeding pipe 15, the bottom of the right side is communicated with a discharging pipe 16, the surface of the discharging pipe 16 is provided with a stop valve, the left side of the top of the oil storage tank 26 is fixedly provided with an oil pump 17, the input end of the oil pump 17 penetrates into the inner cavity of the oil storage tank 26, the output end of the oil pump 17 is communicated with an L-shaped pipe 18, one end, away from the oil pump 17, of the L-shaped pipe 18 penetrates through a supporting plate 2 on the right side and is fixedly connected with a supporting plate 2 on the left side, wherein a square opening is formed in the right side of the supporting plate 2 on the right side, the L-shaped pipe 18 penetrates through the square opening, the surface, positioned in the inner cavity of, the horizontal section of the L-shaped pipe 18 is positioned right above the bearing seat a4 and the bearing seat b6 and is uniformly communicated with a spray head 19 positioned between the two three-jaw chucks 7, the top part between the two supporting platforms 1 is fixedly connected with an oil collecting tank 20 positioned right below the spray head 19, the bottom part of the oil collecting tank 20 is communicated with an oil outlet pipe 21, the bottom part of the oil outlet pipe 21 is provided with a collecting trolley 23, the front surface of a connecting plate 22 is fixedly provided with a handle 24, through the arrangement of the collecting trolley 23 and the handle 24, the collecting trolley 23 can collect the anticorrosive oil flowing out of the oil outlet pipe 21, the handle 24 is convenient for a user to push the device, when the device works, the user adds the anticorrosive oil into the oil storage tank 26 from the feeding pipe 15, such as asphalt paint, asphalt, polyurethane, epoxy resin and the like, then when the driving motor a8 is started, the oil pump 17 leads the, and spray downwards through the shower nozzle 19, because the pipe fitting between two three-jaw chucks 7 rotates when anticorrosive oil sprays for anticorrosive oil can be even spraying on the surface of pipe fitting, and then reach the anticorrosive treatment to the pipe fitting.
One specific application of this embodiment is: s1: a user places a pipe fitting to be subjected to anti-corrosion treatment between two three-jaw chucks 7, firstly, jaws of the three-jaw chuck 7 on a bearing seat a4 are positioned in a left inner cavity of the pipe fitting, then, three jaws of the three-jaw chuck 7 move outwards to fix the left end of the pipe fitting, then, a rotating wheel 56 is rotated, a threaded rod 55 drives a bearing seat b6 to move leftwards, jaws of the three-jaw chuck 7 on a bearing seat b6 are positioned in a right inner cavity of the pipe fitting, and the right end of the pipe fitting is fixed by outwards moving the three jaws of the three-jaw chuck 7; the user feeds preservative oil, such as asphalt paint, asphalt, polyurethane, epoxy, etc., from the feed tube 15 into the oil reservoir 26; waterproof cloth such as glass fiber cloth or non-woven fabric is wound on the surface of the winding drum 14;
s2: the user fixes the pipe fitting by starting the driving motor a8, the output shaft of the driving motor a8 drives the three-jaw chucks 7 on the bearing seat a4, the two three-jaw chucks 7 and the pipe fitting synchronously rotate, the oil pump 17 is started simultaneously, the oil pump 17 introduces the anti-corrosion oil in the oil storage tank 26 into the L-shaped pipe 18 and sprays the anti-corrosion oil downwards through the spray head 19, and the anti-corrosion oil can be uniformly sprayed on the surface of the pipe fitting by rotating the pipe fitting between the two three-jaw chucks 7 while spraying the anti-corrosion oil, so that the anti-corrosion treatment on the pipe fitting is achieved, and a layer of anti-corrosion oil layer is formed on the outer surface of the pipe fitting;
s3: after spraying the anticorrosive oil, closing the oil pump 17 and the driving motor a8, fixing one end of the waterproof cloth on the winding drum 14 on the pipe fitting between the two three-jaw chucks 7, and by opening the driving motor b9, the output shaft of the driving motor b9 drives the screw rod 10 to rotate, and by means of the screw fit of the screw rod 10 and the threaded pipe 11 and the sliding connection of the fixing plate 12 and the transverse plate 3, the threaded pipe 11 moves leftwards or rightwards on the screw rod 10, wherein the moving distance of the winding drum 14 ranges from half the width of the waterproof cloth to one width of the waterproof cloth when the pipe fitting rotates for one circle every time, so that the waterproof cloth can be uniformly wrapped on the surface of the pipe fitting, the anticorrosive oil is prevented from cracking and water seepage after hardening, and a layer of waterproof cloth is wrapped on the outer surface of the pipe fitting;
and repeating the operations in the steps S2 and S3 twice, so that a three-layer anti-corrosion oil layer is formed on the outer surface of the pipe fitting, and a three-layer waterproof cloth layer is wrapped on the outer surface of the pipe fitting, thereby achieving the effect of the device on the anti-corrosion treatment of the pipe fitting, and simultaneously achieving good anti-corrosion effect of the treated pipe fitting.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an oil recovery anticorrosive treatment device, includes two brace tables (1), its characterized in that: the supporting plates (2) are fixedly connected to the sides, away from each other, of the tops of the two supporting tables (1), the top of each supporting plate (2) is fixedly connected with a transverse plate (3), a bearing seat a (4) is fixedly connected to the right side of the top of the supporting table (1) on the left side, a horizontal moving mechanism (5) is fixedly connected to the top of the supporting table (1) on the right side, a bearing seat b (6) is fixedly connected to the output end of the horizontal moving mechanism (5), three-jaw chucks (7) are rotatably connected to the inner cavities of the bearing seat a (4) and the bearing seat b (6), a driving motor a (8) is fixedly mounted on the left side of the supporting plate (2) on the left side, and the output shaft of the driving motor a (8) penetrates through the supporting plates (2) and is fixedly connected;
the top of the left side supporting plate (2) is fixedly connected with a driving motor b (9) positioned at the rear side of a driving motor a (8), an output shaft of the driving motor b (9) penetrates through the supporting plate (2) and is fixedly connected with a lead screw (10), the right end of the lead screw (10) is rotatably connected with the supporting plate (2) positioned at the right side, the surface of the lead screw (10) is in threaded connection with two threaded pipes (11), the surface of each threaded pipe (11) is fixedly connected with a fixing plate (12) in sliding connection with the transverse plate (3), the bottoms of the two fixing plates (12) are fixedly connected with a U-shaped plate (13), and the inner cavity of the U-shaped plate (13) is rotatably connected;
the right side of the supporting platform (1) on the right side is fixedly connected with an oil storage tank (26), the right side of the top of the oil storage tank (26) is communicated with a feeding pipe (15), the bottom of the right side is communicated with a discharging pipe (16), the surface of the discharging pipe (16) is provided with a stop valve, the left side of the top of the oil storage tank (26) is fixedly provided with an oil pump (17), the input end of the oil pump (17) penetrates through an inner cavity of the oil storage tank (26), the output end of the oil pump (17) is communicated with an L-shaped pipe (18), one end, far away from the oil pump (17), of the L-shaped pipe (18) penetrates through a supporting plate (2) on the right side and is fixedly connected with a supporting plate (2) on the left side, the horizontal section of the L-shaped pipe (18) is positioned right above a bearing seat a (4) and a bearing seat b (6) and is uniformly communicated with a spray head (, the bottom of the oil collecting tank (20) is communicated with an oil outlet pipe (21).
2. The oil recovery anticorrosion treatment device of claim 1, wherein: horizontal migration mechanism (5) are including fixing horizontal plate (51) that is located right side supporting bench (1) top, spout (52) have been seted up at the top of horizontal plate (51), the bottom fixedly connected with of bearing frame b (6) and spout (52) sliding connection's slider (53), the right side fixedly connected with thread plate (54) at horizontal plate (51) top, the inner chamber threaded connection of thread plate (54) has threaded rod (55), the left end of threaded rod (55) is rotated with the right side of bearing frame b (6) and is connected, right-hand member fixedly connected with swiveling wheel (56).
3. The oil recovery anticorrosion treatment device of claim 2, wherein: t type groove (301) have been seted up at the top of diaphragm (3) and the position that corresponds fixed plate (12), the top of fixed plate (12) have with T type groove (301) sliding connection's T type portion, and the top of fixed plate (12) extends to the top of diaphragm (3).
4. The oil recovery anticorrosion treatment device of claim 3, wherein: the top between the two fixing plates (12) is fixedly connected through a connecting plate (22).
5. The oil recovery anticorrosion treatment device of claim 4, wherein: the bottom of the oil outlet pipe (21) is provided with a collecting vehicle (23), and the front surface of the connecting plate (22) is fixedly provided with a handle (24).
6. The oil recovery anticorrosion treatment device of claim 5, wherein: the right side of the supporting plate (2) on the right side is provided with a square opening, and the L-shaped pipe (18) penetrates through the square opening.
7. The oil recovery anticorrosion treatment device of claim 6, wherein: the surface of the L-shaped pipe (18) positioned in the square opening inner cavity is sleeved with a fixing sleeve (25), and the top end of the fixing sleeve (25) is fixedly connected with the supporting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667132.4U CN211436665U (en) | 2019-09-30 | 2019-09-30 | Oil recovery anticorrosive treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667132.4U CN211436665U (en) | 2019-09-30 | 2019-09-30 | Oil recovery anticorrosive treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211436665U true CN211436665U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667132.4U Active CN211436665U (en) | 2019-09-30 | 2019-09-30 | Oil recovery anticorrosive treatment device |
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| Country | Link |
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| CN (1) | CN211436665U (en) |
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2019
- 2019-09-30 CN CN201921667132.4U patent/CN211436665U/en active Active
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