CN112845407A - Oil pipeline dredging device for oil exploitation - Google Patents
Oil pipeline dredging device for oil exploitation Download PDFInfo
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- CN112845407A CN112845407A CN202011614985.9A CN202011614985A CN112845407A CN 112845407 A CN112845407 A CN 112845407A CN 202011614985 A CN202011614985 A CN 202011614985A CN 112845407 A CN112845407 A CN 112845407A
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- wall
- fixedly connected
- pipe
- oil
- seat
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to the technical field of petroleum machinery, and particularly relates to an oil delivery pipe dredging device for petroleum exploitation, aiming at the problem that viscous substances exist on the inner wall of the existing oil delivery pipe, the dredging device is difficult to clean by adopting a conventional cleaning and dredging tool. According to the invention, the inner wall of the oil delivery pipe is heated by high-pressure gas, so that wax crystal clusters in the pipeline reach a melting point, the wax crystal clusters are conveniently washed and conveyed out of the pipeline by the device, the damage to the inner wall of the oil delivery pipe caused by overhigh temperature can be avoided by using a gas heating mode, meanwhile, the cleaning of the inner wall of the pipeline can be promoted after the gas is sprayed out at high pressure, and the dredging efficiency of the oil delivery pipe is improved.
Description
Technical Field
The invention relates to the technical field of petroleum machinery, in particular to an oil delivery pipe dredging device for petroleum exploitation.
Background
The oil pipeline is a pipeline for conveying crude oil or petroleum products, the crude oil or petroleum products are conveyed from an oil field to a factory, a transfer station and a port, generally a steel pipe is adopted, oil-resistant rubber pipes or specially treated plastic pipes are sometimes adopted for short-distance conveying, and a heat insulation layer and a protective layer are wrapped outside the oil pipeline, so that the oil pipeline can only convey liquid petroleum products but can not convey solid petroleum products, and the oil pipeline is usually buried underground.
After petroleum is produced from an oil field, paraffin with a certain proportion is contained in the petroleum, when the petroleum is produced from the underground and enters an oil conveying pipe, the paraffin can be crystallized and separated along with the reduction of temperature in the conveying process, and wax crystal clusters are formed on the inner wall of the oil conveying pipe along with the increase of the crystallization and separation, so that the viscosity of the substances is higher, the substances can be adhered to the inner wall of the oil conveying pipe, the blockage in the oil conveying pipe is caused, and the collection and the conveying of the petroleum are influenced.
At present, the inner wall of an oil pipeline is cleaned and dredged mostly by directly washing with water and cleaning with a brushing tool, and because the adhesion of impurities in the oil pipeline is high, complete cleaning is difficult to realize by conventional means, which can influence the subsequent oil pipeline conveying efficiency.
Disclosure of Invention
The invention provides an oil delivery pipe dredging device for oil exploitation, which is based on the technical problem that viscous substances exist on the inner wall of the existing oil delivery pipe and the conventional dredging tool is difficult to clean.
The invention provides an oil delivery pipe dredging device for oil exploitation, which comprises an outer pipe, wherein a gas delivery pipe is fixedly connected to the inner wall of the outer pipe, a water delivery pipe is arranged inside the gas delivery pipe, a plurality of gas injection seats are fixedly connected to the outer wall of the outer pipe, the gas injection seats are in a circular ring shape and are distributed on the outer pipe at equal intervals, a plurality of round holes are formed in the gas injection seats, broken line gas guide pipes are fixedly connected to the inner walls of the round holes, one ends of the broken line gas guide pipes penetrate through the outer pipe and are fixedly connected with the inner walls of the gas delivery pipe, the other ends of the broken line gas guide pipes are in 45-degree elevation angles, and high-pressure spray heads are fixedly.
Preferably, the outer wall fixedly connected with of outer tube has a plurality of dredging seats, and a plurality of dredging seats are equidistant distribution in the outer wall of outer tube, and the outer wall of a plurality of dredging seats all is provided with disconnected circle frame.
Preferably, four round holes are formed in the dredging seat, the inner walls of the four round holes are fixedly connected with water guide pipes, one ends of the water guide pipes penetrate through the gas conveying pipe and are fixedly connected with the inner wall of the water conveying pipe, and the other ends of the water guide pipes are fixedly connected with nozzles.
Preferably, four round holes are all seted up to the both sides outer wall of disconnected circle frame, and the round hole of both sides outer wall is the symmetric distribution, and the equal swing joint of inner wall of round hole has the support arm, and the same washing seat of fixedly connected with between the support arm of both sides, and the bottom outer wall fixedly connected with spring of washing seat, the other end of spring and the outer wall fixed connection of disconnected circle frame.
Preferably, the outer walls of the two vertically symmetrical brushing seats are fixedly connected with a plurality of brushing rods, the outer wall of one side of each of the two horizontally symmetrical brushing seats is provided with a plurality of grooves, the inner walls of the grooves are fixedly connected with scraping plates, the scraping plates are provided with a plurality of scraping harrows, and the scraping plates are provided with inclined slotted holes.
Preferably, the one end fixedly connected with connecting seat of outer tube, the outer wall swing joint of connecting seat has the connection pad, and a plurality of bracing pieces of outer wall fixedly connected with of connection pad, and the same lantern ring of other end fixedly connected with of a plurality of bracing pieces, and a plurality of ball-type recesses have been seted up to the outer wall of the lantern ring, and the equal roll connection of the inner wall of a plurality of ball-type recesses has the ball-type gyro wheel.
Preferably, the outer wall of the outer tube is fixedly connected with a pulling seat, a belt groove is formed in the pulling seat, a tube seat is fixedly connected with one end of the outer tube, a water inlet is formed in one end of the tube seat, an air inlet is formed in the outer wall of one side of the tube seat, and an air inlet pipe is fixedly connected to the inner wall of the air inlet.
Preferably, a plurality of arc walls have been seted up to the outer wall of the lantern ring, the equal fixedly connected with backing plate of inner wall of a plurality of arc walls, and one side outer wall of backing plate is provided with a plurality of archs, and bellied material is rubber.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arranged outer pipe, the gas pipe, the water pipe, the gas spraying seat, the broken line gas guide pipe and the high-pressure spray head, when impurities on the inner wall of the oil pipe are accumulated too much to influence normal conveying of the pipeline, petroleum conveying of the section of the oil pipe is suspended, the device is placed in the oil pipe, during the process of washing the inner wall of the pipeline, external high-pressure gas is conveyed to the inside of the oil pipe through the gas pipe, is conveyed outwards through the broken line gas guide pipe, is sprayed out through the high-pressure spray head to perform gas spraying and heating on the inner wall of the oil pipe, so that wax crystal clusters adhered to the inner wall of the pipeline reach a melting point, and are convenient to clean and convey to the outside of the; the device adopts high-pressure gas to heat the inner wall of defeated oil pipe, makes the inside wax crystal cluster of pipeline reach the melting point to be convenient for the device to brush it and carry outside the pipeline, utilize the mode that gas heated can avoid the high temperature to cause the damage to defeated oil pipe's inner wall, simultaneously, can promote the cleanness of pipeline inner wall after the gaseous high pressure blowout, improve defeated oil pipe's mediation efficiency.
2. According to the invention, through the arrangement of the dredging seat and the broken circle frame, when the device is arranged in an oil conveying pipe for cleaning and dredging operation, the outer pipe drives the dredging seat to rotate, external cleaning liquid is conveyed into the oil conveying pipe through the water guide pipe, the temperature of the cleaning liquid in the water guide pipe is higher, so that impurities on the inner wall of the pipeline can be conveniently softened for facilitating subsequent cleaning, high-pressure gas in the gas conveying pipe can preserve the temperature of the cleaning liquid in the water conveying pipe in the conveying process, the temperature of the cleaning liquid in the water conveying pipe is prevented from being reduced in the conveying process, and the cleaning effect of the inner wall of the pipeline is reduced; the outer wall of the washing seat is respectively provided with the washing rod and the scraper, the scraper can scrape the inner wall of the pipeline through the scraping rake, sticky impurities are prevented from being attached to the inner wall of the pipeline and being difficult to clean, the inclined slotted holes can facilitate the quick separation of the scraped impurities from the scraper, and the phenomenon that the impurities are left on the scraper and the use effect of the scraper is influenced is avoided; the brush rod can wash the inner wall of the pipeline, so that the cleaning degree of the inner wall is improved.
3. According to the invention, by arranging the connecting seat, the connecting disc and the lantern ring, the outer wall of the lantern ring adopts the spherical roller, so that the movement of the lantern ring in the oil delivery pipe is facilitated, meanwhile, the lantern ring provides effective supporting force for the outer pipe in the oil delivery pipe, and the washing stability of the device is improved; the traction seat on the outer wall of the outer pipe can facilitate the rotation of the outer pipe driven by an external motor through a belt, so as to facilitate the heating of air injection in the pipe and the washing operation of the inner wall of the pipeline.
4. According to the oil conveying pipe, due to the arrangement of the base plate and the bulges, impurities in the oil conveying pipe can be preliminarily cleaned by the bulges on the base plate in the moving process of the lantern ring in the oil conveying pipe, the adhesion degree of the impurities and the inner wall of the oil conveying pipe is reduced, and the subsequent cleaning and dredging operation of the inner wall of the oil conveying pipe by a device is facilitated.
Drawings
Fig. 1 is a schematic overall structure diagram of an oil pipeline dredging device for oil extraction according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a part of a cross-sectional structure of a dredging seat of an oil pipeline dredging device for oil exploitation according to the present invention;
FIG. 3 is a schematic view of a local structure of a circular frame of the oil pipe dredging device for oil extraction according to the present invention;
FIG. 4 is a schematic structural diagram of a scraper of the oil pipe dredging device for oil production according to the present invention;
FIG. 5 is a schematic structural diagram of an air injection seat of the oil pipeline dredging device for oil extraction according to the present invention;
FIG. 6 is a schematic diagram of a split structure of a collar of the oil pipe dredging device for oil extraction according to the present invention;
FIG. 7 is a schematic view of a split structure of a pipe seat of the oil pipe dredging device for oil production according to the present invention;
fig. 8 is a schematic structural diagram of a collar of an oil pipeline dredging device for oil extraction according to embodiment 2 of the present invention.
In the figure: the device comprises an outer pipe 1, an air delivery pipe 2, a water delivery pipe 3, an air injection seat 4, a broken line air guide pipe 5, a high-pressure spray head 6, a dredging seat 7, a broken circle frame 8, a water delivery pipe 9, a spray nozzle 10, a support arm 11, a washing seat 12, a spring 13, a brush rod 14, a scraper 15, a scraper rake 16, an inclined slotted hole 17, a connecting seat 18, a connecting disc 19, a support rod 20, a lantern ring 21, a spherical roller 22, a traction seat 23, a pipe seat 24, a water inlet 25, an air inlet pipe 26, a backing plate 27 and bulges 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-7, an oil pipeline pull throughs for oil development, including outer tube 1, the inner wall of outer tube 1 has gas-supply pipe 2 through bolted connection, and the inside of gas-supply pipe 2 is provided with raceway 3, the outer wall of outer tube 1 has a plurality of air injection seat 4 through bolted connection, the shape of air injection seat 4 is the ring form, and air injection seat 4 is equidistant distribution on outer tube 1, a plurality of round holes have been seted up on air injection seat 4, the inner wall of round hole has broken line air duct 5 through bolted connection, and pass through bolted connection between the inner wall of outer tube 1 and gas-supply pipe 2 to the one end of broken line air duct 5, the other end of broken line air duct 5 is 45 angles of elevation, and there is high pressure nozzle 6 through bolted connection the other end of broken.
In the invention, the outer wall of the outer pipe 1 is connected with a plurality of dredging seats 7 through bolts, the plurality of dredging seats 7 are distributed on the outer wall of the outer pipe 1 at equal intervals, and the outer walls of the plurality of dredging seats 7 are provided with circular-broken frames 8.
In the invention, four round holes are formed in each of the dredging seats 7, the inner walls of the four round holes are connected with the water guide pipe 9 through bolts, one end of the water guide pipe 9 penetrates through the gas pipe 2 to be connected with the inner wall of the water conveying pipe 3 through bolts, the other end of the water guide pipe 9 is connected with the nozzle 10 through bolts, and the temperature of cleaning liquid in the water guide pipe 9 is high, so that impurities on the inner wall of a pipeline can be softened conveniently for subsequent brushing.
According to the invention, four circular holes are formed in the outer walls of two sides of the broken circle frame 8, the circular holes in the outer walls of the two sides are symmetrically distributed, the inner walls of the circular holes are rotatably connected with supporting arms 11, the same washing seat 12 is connected between the supporting arms 11 of the two sides through bolts, the outer wall of the bottom of the washing seat 12 is connected with a spring 13 through bolts, and the other end of the spring 13 is connected with the outer wall of the broken circle frame 8 through bolts.
According to the invention, the outer walls of two vertically symmetrical washing bases 12 are connected with a plurality of brush rods 14 through bolts, the outer wall of one side of each of the two horizontally symmetrical washing bases 12 is provided with a plurality of grooves, the inner walls of the grooves are connected with scraping plates 15 through bolts, the scraping plates 15 are provided with a plurality of scraping harrows 16, the scraping plates 15 are provided with inclined slotted holes 17, the scraping plates 15 can scrape the inner walls of pipelines through the scraping harrows 16, sticky impurities are prevented from being attached to the inner walls of the pipelines and being difficult to clean, the inclined slotted holes 17 can facilitate the quick separation of the scraped impurities from the scraping plates 15, and the impurities on the scraping plates 15 are prevented from being left, so that the use effect of the scraping plates 15 is prevented from; the brush rod 14 can wash the inner wall of the pipeline, and the cleaning degree of the inner wall is improved.
According to the invention, one end of the outer pipe 1 is connected with a connecting seat 18 through a bolt, the outer wall of the connecting seat 18 is rotatably connected with a connecting disc 19 through a bearing, the outer wall of the connecting disc 19 is connected with a plurality of supporting rods 20 through bolts, the other ends of the supporting rods 20 are connected with a same lantern ring 21 through bolts, the outer wall of the lantern ring 21 is provided with a plurality of spherical grooves, the inner walls of the spherical grooves are all in rolling connection with spherical rollers 22, the outer wall of the lantern ring 21 adopts the spherical rollers 22, so that the lantern ring 21 can move in the oil conveying pipe conveniently, meanwhile, the lantern ring 21 provides effective supporting force for the outer pipe in the oil conveying.
According to the invention, the outer wall of the outer pipe 1 is connected with a traction seat 23 through a bolt, a belt groove is formed in the traction seat 23, one end of the outer pipe 1 is connected with a pipe seat 24 through a bolt, one end of the pipe seat 24 is provided with a water inlet 25, the outer wall of one side of the pipe seat 24 is provided with an air inlet, the inner wall of the air inlet is connected with an air inlet pipe 26 through a bolt, and the traction seat 23 can facilitate an external motor to drive the outer pipe 1 to rotate through a belt so as to facilitate air injection heating in the pipe and washing operation of.
When the device is used, when impurities on the inner wall of an oil conveying pipe are excessively accumulated to affect normal conveying of the pipeline, petroleum conveying of the oil conveying pipe is suspended, the device is placed into the oil conveying pipe, heated cleaning liquid is conveyed into the water conveying pipe 3 from the water inlet 25, high-pressure gas is conveyed into the gas conveying pipe 2 from the gas inlet pipe 26, an external motor drives the traction seat 23 to rotate through a belt, so that the outer pipe 1 integrally rotates, the cleaning liquid is sprayed out through the nozzle 10, the scraping plate 15 scrapes and brushes the inner wall of the pipeline through the scraping rake 16 to avoid that sticky impurities are attached to the inner wall of the pipeline and are difficult to clean, the scraped impurities are quickly separated from the inclined slotted hole 17 to avoid the impurities remaining on the scraping plate 15, meanwhile, the brush rod 14 conducts washing operation on the inner wall of the pipeline to improve the cleaning degree of the inner wall, and during the washing process of the inner wall of the pipeline, external high-pressure gas is conveyed into the inner part of, the wax crystal clusters adhered to the inner wall of the pipeline reach a melting point, and are convenient to clean and convey to the outside of the oil transportation pipe after being liquefied.
Example 2:
referring to fig. 8, an oil pipeline pull throughs for oil development, this embodiment compare in embodiment 1, and a plurality of arc walls have been seted up to the outer wall of lantern ring 21, and the inner wall of a plurality of arc walls all has backing plate 27 through bolted connection, and one side outer wall of backing plate 27 is provided with a plurality of archs 28, and the material of arch 28 is rubber.
When the device is used, when impurities on the inner wall of an oil conveying pipe are excessively accumulated to affect normal conveying of the pipeline, petroleum conveying of the oil conveying pipe is suspended, the device is placed into the oil conveying pipe, heated cleaning liquid is conveyed into the water conveying pipe 3 from the water inlet 25, high-pressure gas is conveyed into the gas conveying pipe 2 from the gas inlet pipe 26, an external motor drives the traction seat 23 to rotate through a belt, so that the outer pipe 1 integrally rotates, the cleaning liquid is sprayed out through the nozzle 10, the scraping plate 15 scrapes and brushes the inner wall of the pipeline through the scraping rake 16 to avoid that sticky impurities are attached to the inner wall of the pipeline and are difficult to clean, the scraped impurities are quickly separated from the inclined slotted hole 17 to avoid the impurities remaining on the scraping plate 15, meanwhile, the brush rod 14 conducts washing operation on the inner wall of the pipeline to improve the cleaning degree of the inner wall, and during the washing process of the inner wall of the pipeline, external high-pressure gas is conveyed into the inner part of, outwards carry through broken line air duct 5, spout through high pressure nozzle 6, carry out jet-propelled heating to defeated oil pipe's inner wall, make the adhesion reach the melting point in the wax crystal cluster of pipeline inner wall, be convenient for wash after its liquefaction and carry to the defeated oil pipe outside, in addition, lantern ring 21 is at the intraductal removal in-process of defeated oil, arch 28 on the backing plate 27 can carry out preliminary clearance to the intraductal impurity of defeated oil, slow down the adhesion degree of impurity and defeated oil pipe inner wall, the clearance mediation operation of the intraductal wall of defeated oil pipe of being convenient for.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an oil pipeline pull throughs for oil development, includes outer tube (1), its characterized in that, the inner wall fixedly connected with gas-supply pipe (2) of outer tube (1), and the inside of gas-supply pipe (2) is provided with raceway (3), a plurality of gas injection seats (4) of outer wall fixedly connected with of outer tube (1), the shape of gas injection seat (4) is the ring form, and gas injection seat (4) are equidistant distribution on outer tube (1), a plurality of round holes have been seted up on gas injection seat (4), the inner wall fixedly connected with broken line air duct (5) of round hole, and the one end of broken line air duct (5) passes fixed connection between the inner wall of outer tube (1) and gas-supply pipe (2), the other end of broken line air duct (5) is 45 angles of elevation, and the other end fixedly connected with high pressure nozzle (6) of broken line air duct (5).
2. The oil delivery pipe dredging device for oil exploitation according to claim 1, wherein the outer wall of the outer pipe (1) is fixedly connected with a plurality of dredging seats (7), the plurality of dredging seats (7) are distributed on the outer wall of the outer pipe (1) at equal intervals, and the outer walls of the plurality of dredging seats (7) are provided with round-off frames (8).
3. The oil delivery pipe dredging device for oil exploitation according to claim 2, wherein four round holes are formed in each of the plurality of dredging seats (7), water guide pipes (9) are fixedly connected to inner walls of the four round holes, one ends of the water guide pipes (9) penetrate through the gas delivery pipe (2) and are fixedly connected with inner walls of the water delivery pipes (3), and nozzles (10) are fixedly connected to the other ends of the water guide pipes (9).
4. The oil delivery pipe dredging device for oil exploitation according to claim 2, wherein four circular holes are formed in the outer walls of two sides of the broken circular frame (8), the circular holes are symmetrically distributed on the outer walls of the two sides, the inner walls of the circular holes are movably connected with supporting arms (11), the same washing seat (12) is fixedly connected between the supporting arms (11) of the two sides, a spring (13) is fixedly connected to the outer wall of the bottom of the washing seat (12), and the other end of the spring (13) is fixedly connected with the outer wall of the broken circular frame (8).
5. The oil delivery pipe dredging device for oil exploitation according to claim 4, wherein a plurality of brush rods (14) are fixedly connected to the outer walls of the two vertically symmetrical brushing seats (12), a plurality of grooves are formed in the outer wall of one side of each of the two horizontally symmetrical brushing seats (12), scraping plates (15) are fixedly connected to the inner walls of the grooves, a plurality of scraping rakes (16) are arranged on the scraping plates (15), and inclined groove holes (17) are formed in the scraping plates (15).
6. The oil delivery pipe dredging device for oil exploitation according to claim 1, wherein one end of the outer pipe (1) is fixedly connected with a connecting seat (18), the outer wall of the connecting seat (18) is movably connected with a connecting disc (19), the outer wall of the connecting disc (19) is fixedly connected with a plurality of supporting rods (20), the other ends of the supporting rods (20) are fixedly connected with the same lantern ring (21), the outer wall of the lantern ring (21) is provided with a plurality of spherical grooves, and the inner walls of the spherical grooves are all connected with spherical rollers (22) in a rolling manner.
7. The oil delivery pipe dredging device for oil exploitation according to claim 1, wherein the outer wall of the outer pipe (1) is fixedly connected with a pulling seat (23), a belt groove is formed in the pulling seat (23), one end of the outer pipe (1) is fixedly connected with a pipe seat (24), one end of the pipe seat (24) is provided with a water inlet (25), the outer wall of one side of the pipe seat (24) is provided with an air inlet, and the inner wall of the air inlet is fixedly connected with an air inlet pipe (26).
8. The oil delivery pipe dredging device for oil extraction according to claim 6, wherein the outer wall of the sleeve ring (21) is provided with a plurality of arc-shaped grooves, the inner walls of the arc-shaped grooves are fixedly connected with backing plates (27), the outer wall of one side of each backing plate (27) is provided with a plurality of bulges (28), and the bulges (28) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011614985.9A CN112845407A (en) | 2020-12-31 | 2020-12-31 | Oil pipeline dredging device for oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011614985.9A CN112845407A (en) | 2020-12-31 | 2020-12-31 | Oil pipeline dredging device for oil exploitation |
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| Publication Number | Publication Date |
|---|---|
| CN112845407A true CN112845407A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011614985.9A Withdrawn CN112845407A (en) | 2020-12-31 | 2020-12-31 | Oil pipeline dredging device for oil exploitation |
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| Country | Link |
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| CN (1) | CN112845407A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926804A (en) * | 2021-11-01 | 2022-01-14 | 一汽解放汽车有限公司 | Cleaning device of exhaust pipeline |
| CN114484131A (en) * | 2022-02-11 | 2022-05-13 | 浙江格洛维能源科技有限公司 | Device for heating crude oil pipeline by utilizing graphene heating oil |
| CN115121556A (en) * | 2022-06-20 | 2022-09-30 | 武汉理工大学 | Cleaning device for oil delivery pipe |
| CN116726626A (en) * | 2023-08-11 | 2023-09-12 | 山东冠卓重工科技有限公司 | Wharf oil gas recovery processing device |
-
2020
- 2020-12-31 CN CN202011614985.9A patent/CN112845407A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926804A (en) * | 2021-11-01 | 2022-01-14 | 一汽解放汽车有限公司 | Cleaning device of exhaust pipeline |
| CN114484131A (en) * | 2022-02-11 | 2022-05-13 | 浙江格洛维能源科技有限公司 | Device for heating crude oil pipeline by utilizing graphene heating oil |
| CN115121556A (en) * | 2022-06-20 | 2022-09-30 | 武汉理工大学 | Cleaning device for oil delivery pipe |
| CN116726626A (en) * | 2023-08-11 | 2023-09-12 | 山东冠卓重工科技有限公司 | Wharf oil gas recovery processing device |
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Application publication date: 20210528 |