CN112893347B - Be used for petroleum pipeline inner wall to wash washing and brushing device - Google Patents
Be used for petroleum pipeline inner wall to wash washing and brushing device Download PDFInfo
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- CN112893347B CN112893347B CN202110065470.6A CN202110065470A CN112893347B CN 112893347 B CN112893347 B CN 112893347B CN 202110065470 A CN202110065470 A CN 202110065470A CN 112893347 B CN112893347 B CN 112893347B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
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Abstract
The invention provides a washing and scouring device for the inner wall of a petroleum pipeline, which comprises a circular scouring device and a one-way advancing ring, the circular flushing device comprises a water storage disc and an annular pipe, a water cavity is formed in the water storage disc, the annular pipe is fixedly sleeved on the water storage disc and is communicated with the water cavity, a plurality of inclined nozzles are fixedly arranged on one side of the annular pipe, a plurality of supporting devices are fixedly embedded on the outer side of the annular pipe, the supporting device comprises a fixed column and a telescopic supporting rod, a convex through hole is arranged at the center of the fixed column, a movable seat is movably arranged in the convex through hole, the flushing device for cleaning the inner wall of the petroleum pipeline has reasonable design, the circular flushing device is matched with the unidirectional advancing ring to enable the whole body to advance in a stepped way, and simultaneously, the petroleum pipeline is flushed, so that slipping can be effectively prevented, and the flushing effect and efficiency are ensured.
Description
Technical Field
The invention belongs to the technical field of petroleum pipeline cleaning equipment, and particularly relates to a device for cleaning and flushing the inner wall of a petroleum pipeline.
Background
The invention provides a washing device for cleaning the inner wall of a petroleum pipeline, which is used for solving the problems that the prior washing device for cleaning the inner wall of the petroleum pipeline cannot solve the problems and can not pre-dilute and soften the attachments on the inner wall of the petroleum pipeline, so that the cleaning effect is not favorably improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the device for cleaning and scouring the inner wall of the petroleum pipeline, which is reasonable in design, the circular scouring device and the unidirectional advancing ring are matched to enable the whole body to advance in a stepped mode, and meanwhile, the petroleum pipeline is scoured, so that slipping can be effectively prevented, and the scouring effect and efficiency are guaranteed.
In order to realize the purpose, the invention is realized by the following technical scheme: a washing device for cleaning the inner wall of a petroleum pipeline comprises a circular washing device and a one-way advancing ring, wherein the circular washing device comprises a water storage disc and a ring pipe, a water cavity is formed in the water storage disc, the ring pipe is fixedly sleeved on the water storage disc and is communicated with the water cavity, a plurality of inclined nozzles are fixedly mounted on one side of the ring pipe, a plurality of supporting devices are fixedly embedded on the outer side of the ring pipe and comprise a fixing column and a telescopic supporting rod, a convex through hole is formed in the center of the fixing column, a movable seat is movably mounted in the convex through hole, one end of the telescopic supporting rod penetrates through the open end of the convex through hole and is fixedly connected with the movable seat, a mounting frame is fixedly mounted at the other end of the telescopic supporting rod, a mounting rod is fixedly mounted on the mounting frame, and a one-way bearing is fixedly sleeved on the mounting rod, the one-way bearing is fixedly sleeved with a lantern ring, the edge of the one-way advancing ring is provided with a plurality of arc-shaped grooves, the one-way limiting device comprises a swing rod and an anti-skidding supporting seat, one end of the swing rod is provided with a mounting groove, one end of the anti-skidding supporting seat is fixedly provided with a mounting screw rod, one end of the mounting screw rod is arranged in the mounting groove in a matching way through an external thread and an internal thread, one end of the swing rod is movably arranged in the arc-shaped groove, the inner side wall of the bottom of the arc-shaped groove is fixedly embedded with an elastic reset rod, the elastic reset rod comprises a mounting seat and a special-shaped connecting seat, the bottom of the special-shaped connecting seat is provided with a semi-spherical groove, a connecting ball is movably arranged in the semi-spherical groove, the bottom of the connecting ball is fixedly connected with a reset ejector rod, one end of the mounting seat is provided with a convex type telescopic groove, and the inner side wall of the convex type telescopic groove, which is far away from the opening end, is fixedly connected with a spring, the utility model discloses a water storage disc, including the water storage disc, the swing rod, the setting pipe, the pivot is fixed on the pivot, the one end of reset ejector pin pass the open end of protruding type telescopic slot and with spring fixed connection, one side fixed connection of dysmorphism connecting seat and swing rod, one side fixed mounting of water storage disc has installation pipe and electric putter, fixed mounting has the motor casing on electric putter's the output shaft, fixed mounting has motor and treater in the motor casing, the inward flange activity of the one-way ring that gos forward is inlayed and is had the rotating ring, fixed mounting has the screw in the rotating ring, the output shaft fixed connection of screw and motor.
As a preferred embodiment of the present invention, a plurality of anti-slip teeth are fixedly mounted on the top of the anti-slip support seat.
As a preferred embodiment of the present invention, a limiting pipe is fixedly installed at one side of the motor casing, and the mounting pipe is movably sleeved on the limiting pipe.
As a preferred embodiment of the present invention, a connection inclined rod is fixedly connected between the motor casing and the unidirectional forward ring.
As a preferred embodiment of the present invention, the other side of the water storage tray is fixedly connected with a water inlet pipe, and the water inlet pipe is communicated with the water cavity.
In a preferred embodiment of the present invention, the processor is electrically connected to the electric push rod and the electric motor, respectively.
The invention has the beneficial effects that: the invention discloses a washing device for cleaning the inner wall of a petroleum pipeline, which comprises a circular washing device, a one-way advancing ring, a water storage disc, a ring pipe, a water cavity, an inclined spray head, a supporting device, a fixed column, a telescopic supporting rod, a convex through hole, a movable seat, a mounting frame, a mounting rod, a one-way bearing, a lantern ring, an arc-shaped groove, a one-way limiting device, an elastic reset rod, a swing rod, an anti-skidding supporting seat, a mounting groove, a mounting screw rod, anti-skidding teeth, a mounting seat, a special-shaped connecting seat, a convex telescopic groove, a spring, a hemispherical groove, a connecting ball, a reset ejector rod, a mounting pipe, an electric push rod, a motor shell, a limiting pipe, a motor, a processor, a propeller, a rotating ring, a connecting inclined rod and a water inlet pipe.
1. This a circular flushing device and the cooperation of the one-way ring that advances that is used for petroleum pipeline inner wall to wash flushing device can make whole cascaded gos forward to erode petroleum pipeline simultaneously, can prevent to skid effectively, thereby guarantee the effect and the efficiency of erodeing.
2. This an outward flange that is used for petroleum pipeline inner wall washing flushing device's circular flushing device's ring pipe has installed strutting arrangement, strutting arrangement's the lantern ring passes through one-way bearing cover and establishes on the installation pole on the mounting bracket, make the lantern ring only can one-way rotation, thereby make circular flushing device only can one-way advance, when leading to water through the inlet tube, water pressure is ejecting with flexible bracing piece, make the lantern ring laminating on the pipeline inner wall, on the one hand, can improve the adaptability to the pipeline diameter effectively, on the other hand, water pressure can make to have certain pressure between the lantern ring and the pipeline inner wall, thereby can prevent to skid, guarantee whole can be smooth move ahead, therefore, the clothes hanger is strong in practicability.
3. The unidirectional advancing ring of the device for cleaning and scouring the inner wall of the petroleum pipeline is movably provided with a unidirectional limiting device which is connected with the unidirectional advancing ring through an elastic reset rod, under the action of the supporting device, when the electric push rod extends, the one-way advancing ring moves forwards, the one-way limiting device compresses the elastic reset rod to enable the one-way advancing ring to advance smoothly, when the electric push rod contracts, the elastic reset rod jacks up one end of the one-way limiting device, the one-way advancing ring has the tendency of moving backwards, the anti-skidding supporting seat of the one-way limiting device is supported on the inner wall of the pipeline to enable the one-way advancing ring to be limited in the pipeline, thereby pulling circular flushing device and moving forward to the antiskid supporting seat can play the effect of extrusion pipeline inner wall, is favorable to cleaing away of pipeline inner wall attachment, further improves the effect and the efficiency of petroleum pipeline clearance.
4. This a rotating ring that is used for petroleum pipeline inner wall to wash washing unit's one-way inner loop edge that advances has installed the screw, can will make used part wash away the water and be washd the impurity that gets off and carry forward when the screw rotates to carry out predilution softening to adnexed oil on the petroleum pipeline inner wall, thereby be favorable to follow-up effect of washing away, improve the efficiency of erodeing.
Drawings
FIG. 1 is a schematic structural diagram of a cleaning and flushing device for the inner wall of a petroleum pipeline according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cleaning and scouring device for the inner wall of a petroleum pipeline according to the present invention;
FIG. 3 is a schematic structural view of a supporting device of the cleaning and scouring device for the inner wall of the petroleum pipeline according to the invention;
FIG. 4 is a schematic cross-sectional view of a supporting device for an inner wall cleaning and flushing device of a petroleum pipeline according to the present invention;
FIG. 5 is a schematic partial cross-sectional view of a one-way advancing ring of the cleaning and flushing device for the inner wall of a petroleum pipeline according to the present invention;
FIG. 6 is a schematic cross-sectional view of a one-way limiting device and an elastic restoring rod of the cleaning and flushing device for the inner wall of a petroleum pipeline according to the present invention;
FIG. 7 is a schematic structural view of an elastic reset rod of the cleaning and flushing device for the inner wall of the petroleum pipeline according to the present invention;
FIG. 8 is a schematic structural diagram of a one-way limiting device for a petroleum pipeline inner wall cleaning and flushing device according to the present invention;
in the figure: 1. a circular flushing device; 2. a one-way forward loop; 3. a water storage tray; 4. an annular tube; 5. a water chamber; 6. an inclined spray head; 7. a support device; 8. fixing the column; 9. a telescopic support rod; 10. a convex through-hole; 11. a movable seat; 12. a mounting frame; 13. mounting a rod; 14. a one-way bearing; 15. a collar; 16. an arc-shaped slot; 17. a one-way limiting device; 18. an elastic reset lever; 19. a swing rod; 20. an anti-skid supporting seat; 21. mounting grooves; 22. installing a screw rod; 23. anti-slip teeth; 24. a mounting base; 25. a special-shaped connecting seat; 26. a convex telescopic slot; 27. a spring; 28. a hemispherical groove; 29. a connecting ball; 30. resetting the ejector rod; 31. installing a pipe; 32. an electric push rod; 33. a motor housing; 34. a limiting pipe; 35. an electric motor; 36. a processor; 37. a propeller; 38. a rotating ring; 39. connecting the inclined rod; 40. and (4) water inlet pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
Referring to fig. 1 to 8, the present invention provides a technical solution: a cleaning and flushing device for the inner wall of a petroleum pipeline comprises a circular flushing device 1 and a one-way advancing ring 2, wherein the circular flushing device 1 comprises a water storage disc 3 and an annular pipe 4, a water cavity 5 is formed in the water storage disc 3, the annular pipe 4 is fixedly sleeved on the water storage disc 3 and is communicated with the water cavity 5, a plurality of inclined spray heads 6 are fixedly installed on one side of the annular pipe 4, a plurality of supporting devices 7 are fixedly embedded on the outer side of the annular pipe 4, each supporting device 7 comprises a fixed column 8 and a telescopic supporting rod 9, a convex through hole 10 is formed in the center of the fixed column 8, a movable seat 11 is movably installed in the convex through hole 10, one end of each telescopic supporting rod 9 penetrates through the opening end of the corresponding convex through hole 10 and is fixedly connected with the corresponding movable seat 11, a mounting frame 12 is fixedly installed at the other end of the corresponding telescopic supporting rod 9, and a mounting rod 13 is fixedly installed on the mounting frame 12, the mounting rod 13 is fixedly sleeved with an one-way bearing 14, the one-way bearing 14 is fixedly sleeved with a sleeve ring 15, the edge of the one-way advancing ring 2 is provided with a plurality of arc-shaped grooves 16, the one-way limiting device 17 comprises a swing rod 19 and an anti-skidding support seat 20, one end of the swing rod 19 is provided with a mounting groove 21, one end of the anti-skidding support seat 20 is fixedly provided with a mounting screw 22, one end of the mounting screw 22 is mounted in the mounting groove 21 in a matching manner with internal threads through external threads, one end of the swing rod 19 is movably mounted in the arc-shaped grooves 16, an elastic reset rod 18 is fixedly embedded on the inner side wall of the bottom of the arc-shaped groove 16, the elastic reset rod 18 comprises a mounting seat 24 and an irregular-shaped connecting seat 25, the bottom of the irregular-shaped connecting seat 25 is provided with a semi-spherical groove 28, a connecting ball 29 is movably mounted in the semi-spherical groove 28, and the bottom of the connecting ball 29 is fixedly connected with a reset ejector rod 30, convex type telescopic slot 26 has been seted up to the one end of mount pad 24, fixedly connected with spring 27 on the inside wall of the open end is kept away from to convex type telescopic slot 26, the one end of restoring to the throne ejector pin 30 pass convex type telescopic slot 26 the open end and with spring 27 fixed connection, one side fixed connection of dysmorphism connecting seat 25 and pendulum rod 19, one side fixed mounting of water storage disc 3 has installation pipe 31 and electric putter 32, fixed mounting has motor casing 33 on electric putter 32's the output shaft, fixed mounting has motor 35 and treater 36 in the motor casing 33, the inward flange activity of one-way advancing ring 2 is inlayed and is had swivel becket 38, fixed mounting has screw 37 in the swivel becket 38, screw 37 and motor 35's output shaft fixed connection.
In a preferred embodiment of the present invention, a plurality of anti-slip teeth 23 are fixedly installed on the top of the anti-slip support seat 20.
As a preferred embodiment of the present invention, a limiting pipe 34 is fixedly installed on one side of the motor casing 33, and the mounting pipe 31 is movably sleeved on the limiting pipe 34.
In a preferred embodiment of the present invention, a connection diagonal rod 39 is fixedly connected between the motor housing 33 and the unidirectional forward ring 2.
As a preferred embodiment of the invention, the other side of the water storage disc 3 is fixedly connected with a water inlet pipe 40, and the water inlet pipe 40 is communicated with the water cavity 5.
In a preferred embodiment of the present invention, the processor 36 is electrically connected to the electric push rod 32 and the electric motor 35 respectively.
As a preferred embodiment of the invention, the circular scouring device 1 and the unidirectional advancing ring 2 are matched to enable the whole body to advance in a stepped manner, and simultaneously scour the petroleum pipeline, so that slipping can be effectively prevented, and the scouring effect and efficiency can be ensured, when in use, the water inlet pipe 40 is connected to a water source with certain pressure through a water pipe, the processor 36, the motor 35 and the electric push rod 32 are connected to an external power supply through electric wires, a section of the inlet of the petroleum pipeline is cleaned, the device is placed in the inlet of the petroleum pipeline, an external power supply switch and a water source switch are turned on, water enters the water cavity 5 of the water storage disc 3 through the water inlet pipe 40, the supporting device 7 is arranged at the outer edge of the annular pipe 4 of the circular scouring device 1, the water pressure ejects the telescopic supporting rod 9 of the supporting device 7 through the movable seat 11, so that the lantern ring 15 is attached to the inner wall of the pipeline, on one hand, the adaptability to the diameter of the pipeline can be effectively improved, on the other hand, a certain pressure can be generated between the lantern ring 15 and the inner wall of the pipeline by water pressure, so that slipping can be prevented, smooth forward movement of the whole can be ensured, the practicability is strong, the lantern ring 15 of the supporting device 7 is sleeved on the mounting rod 13 on the mounting frame 12 through the one-way bearing 14, so that the lantern ring 15 can rotate only in one direction, so that the circular flushing device 1 can move only in one direction, the one-way limiting device 17 is movably mounted on the one-way forward ring 2, the one-way limiting device 17 is connected with the one-way forward ring 2 through the elastic reset rod 18, the processor 36 controls the electric push rod 32 to repeatedly extend and contract and simultaneously controls the motor 35 to work, under the effect of the supporting device 7, the circular flushing device 1 can only move forward, therefore, when the electric push rod 32 extends, the motor shell 33 and the one-way forward ring 2 are driven to move forward, one-way stop device 17 compresses elastic reset rod 18, make the one-way ring 2 that gos forward smoothly advance, when electric putter 32 contracts, elastic reset rod 18 is with one-way stop device 17's one end jack-up, one-way ring 2 that gos forward has the trend of backward movement, make one-way stop device 17's anti-skidding supporting seat 20 support on the pipeline inner wall, make one-way ring 2 that gos forward restricted in the pipeline, thereby pulling circular flushing device 1 and moving forward, reach the purpose of cascaded gos forward, 6 blowout rivers of oblique shower nozzle on the ring pipe 4 erode, and anti-skidding supporting seat 20 can play the effect of extrusion pipeline inner wall, be favorable to cleaing away of pipeline inner wall deposit, further improve the effect and the efficiency of petroleum pipeline clearance.
As a preferred embodiment of the present invention, the rotating ring 38 on the inner edge of the unidirectional forward ring 2 is provided with the propeller 37, and when the motor 35 drives the propeller 37 and the rotating ring 38 to rotate, the used partial flushing water and the flushed oil can be conveyed forward, so as to pre-dilute and soften the oil attached to the inner wall of the previous oil pipeline, thereby facilitating the subsequent flushing effect and improving the flushing efficiency.
As a preferred embodiment of the present invention, the anti-slip support seat 20 of the one-way limiting device 17 can partially protrude, so as to improve the adaptability to the diameter of the petroleum pipeline, and when adjusting, the anti-slip support seat 20 can be directly rotated, which is convenient and fast.
While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A washing device for cleaning the inner wall of a petroleum pipeline comprises a circular washing device (1), a one-way advancing ring (2) and a one-way limiting device (17), and is characterized in that the circular washing device (1) comprises a water storage disc (3) and an annular pipe (4), a water cavity (5) is formed in the water storage disc (3), the annular pipe (4) is fixedly sleeved on the water storage disc (3) and communicated with the water cavity (5), a plurality of inclined nozzles (6) are fixedly installed on one side of the annular pipe (4), a plurality of supporting devices (7) are fixedly embedded on the outer side of the annular pipe (4), each supporting device (7) comprises a fixed column (8) and a telescopic supporting rod (9), a convex through hole (10) is formed in the center of the fixed column (8), a movable seat (11) is movably installed in the convex through hole (10), one end of the telescopic supporting rod (9) penetrates through the open end of the convex through hole (10) and is fixedly connected with the movable seat (11), the other end of the telescopic supporting rod (9) is fixedly provided with a mounting rack (12), the mounting rack (12) is fixedly provided with a mounting rod (13), the mounting rod (13) is fixedly sleeved with an one-way bearing (14), the one-way bearing (14) is fixedly sleeved with a lantern ring (15), the edge of the one-way advancing ring (2) is provided with a plurality of arc-shaped grooves (16), an one-way limiting device (17) comprises a swing rod (19) and an anti-skidding supporting seat (20), one end of the swing rod (19) is provided with a mounting groove (21), one end of the anti-skidding supporting seat (20) is fixedly provided with a mounting screw rod (22), one end of the mounting screw rod (22) is installed in the mounting groove (21) through the matching of external threads and internal threads, one end of the swing rod (19) is movably arranged in the arc-shaped groove (16), an elastic reset rod (18) is fixedly embedded on the inner side wall of the bottom of the arc-shaped groove (16), the elastic reset rod (18) comprises a mounting seat (24) and a special-shaped connecting seat (25), a hemispherical groove (28) is formed in the bottom of the special-shaped connecting seat (25), a connecting ball (29) is movably arranged in the hemispherical groove (28), a reset ejector rod (30) is fixedly connected to the bottom of the connecting ball (29), a convex telescopic groove (26) is formed in one end of the mounting seat (24), a spring (27) is fixedly connected to the inner side wall, far away from the opening end, of the convex telescopic groove (26), one end of the reset ejector rod (30) penetrates through the opening end of the convex telescopic groove (26) and is fixedly connected with the spring (27), and the special-shaped connecting seat (25) is fixedly connected with one side of the swing rod (19), one side fixed mounting of water storage tray (3) has installation pipe (31) and electric putter (32), fixed mounting has motor casing (33) on the output shaft of electric putter (32), fixed mounting has motor (35) and treater (36) in motor casing (33), the inward flange activity of one-way ring (2) that advances is inlayed and is had swivel becket (38), fixed mounting has screw (37) in swivel becket (38), the output shaft fixed connection of screw (37) and motor (35).
2. The inner wall cleaning and scouring device for the petroleum pipeline according to claim 1, wherein: the top of the anti-skid supporting seat (20) is fixedly provided with a plurality of anti-skid teeth (23).
3. The inner wall cleaning and scouring device for the petroleum pipeline according to claim 1, wherein: one side fixed mounting of motor casing (33) has spacing pipe (34), installation pipe (31) activity cover is established on spacing pipe (34).
4. The petroleum pipeline inner wall cleaning and flushing device as claimed in claim 1, wherein: a connecting inclined rod (39) is fixedly connected between the motor shell (33) and the unidirectional forward ring (2).
5. The petroleum pipeline inner wall cleaning and flushing device as claimed in claim 1, wherein: the other side of the water storage tray (3) is fixedly connected with a water inlet pipe (40), and the water inlet pipe (40) is communicated with the water cavity (5).
6. The inner wall cleaning and scouring device for the petroleum pipeline according to claim 1, wherein: the processor (36) is electrically connected with the electric push rod (32) and the motor (35) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110065470.6A CN112893347B (en) | 2021-01-19 | 2021-01-19 | Be used for petroleum pipeline inner wall to wash washing and brushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110065470.6A CN112893347B (en) | 2021-01-19 | 2021-01-19 | Be used for petroleum pipeline inner wall to wash washing and brushing device |
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| CN112893347A CN112893347A (en) | 2021-06-04 |
| CN112893347B true CN112893347B (en) | 2022-07-26 |
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| CN202110065470.6A Active CN112893347B (en) | 2021-01-19 | 2021-01-19 | Be used for petroleum pipeline inner wall to wash washing and brushing device |
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| CN115213918A (en) * | 2022-08-01 | 2022-10-21 | 华北理工大学轻工学院 | Submarine oil pipeline pigging robot |
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| US6581235B1 (en) * | 1999-03-19 | 2003-06-24 | International Westar Limited | Apparatus for cleaning and removing deposits from internal walls of ducts for conveying fluids of any kind |
| EP1601473A1 (en) * | 2003-03-13 | 2005-12-07 | Schwing GmbH | Pipe cleaning system comprising a safety device |
| CN107983737A (en) * | 2017-11-09 | 2018-05-04 | 中国化学工程第六建设有限公司 | Pipeline cleaning by degreasing method and cleaning by degreasing device |
| CN109530350A (en) * | 2019-01-15 | 2019-03-29 | 北京建都伟业科技发展有限公司 | A kind of pipeline cleaning |
| CN110883027A (en) * | 2019-12-17 | 2020-03-17 | 上海水务建设工程有限公司 | Cleaning device for inner wall of water supply pipeline and construction method thereof |
| CN211726828U (en) * | 2020-02-12 | 2020-10-23 | 李祥娥 | Self-propelled water conservancy pipeline cleaning device |
-
2021
- 2021-01-19 CN CN202110065470.6A patent/CN112893347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581235B1 (en) * | 1999-03-19 | 2003-06-24 | International Westar Limited | Apparatus for cleaning and removing deposits from internal walls of ducts for conveying fluids of any kind |
| EP1601473A1 (en) * | 2003-03-13 | 2005-12-07 | Schwing GmbH | Pipe cleaning system comprising a safety device |
| CN107983737A (en) * | 2017-11-09 | 2018-05-04 | 中国化学工程第六建设有限公司 | Pipeline cleaning by degreasing method and cleaning by degreasing device |
| CN109530350A (en) * | 2019-01-15 | 2019-03-29 | 北京建都伟业科技发展有限公司 | A kind of pipeline cleaning |
| CN110883027A (en) * | 2019-12-17 | 2020-03-17 | 上海水务建设工程有限公司 | Cleaning device for inner wall of water supply pipeline and construction method thereof |
| CN211726828U (en) * | 2020-02-12 | 2020-10-23 | 李祥娥 | Self-propelled water conservancy pipeline cleaning device |
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| CN112893347A (en) | 2021-06-04 |
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