CN112517567A - Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline - Google Patents
Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline Download PDFInfo
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- CN112517567A CN112517567A CN202011278622.2A CN202011278622A CN112517567A CN 112517567 A CN112517567 A CN 112517567A CN 202011278622 A CN202011278622 A CN 202011278622A CN 112517567 A CN112517567 A CN 112517567A
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- pig
- rotary
- inner cylinder
- pipeline
- cleaning
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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
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0557—Pigs with rings shaped cleaning members, e.g. cup shaped pigs
-
- 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
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0558—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles with additional jet means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to the field of petroleum pipeline cleaning, and relates to a novel rotary injection type anti-blocking pipeline cleaning pig for a petroleum pipeline. The device adopts the combination of the dish-shaped leather cup and the straight leather cup as a driving mechanism, and plays a role in scraping stains attached to the inner wall while meeting the sealing requirement; the rotating inner cylinder and the cleaning pig outer cylinder can rotate relatively by using the balls, the two-stage impellers are welded with the inner wall of the rotating inner cylinder, the rotating inner cylinder can be driven to rotate when fluid flows through the impellers, the rotating head is further driven to rotate, and meanwhile, the fluid washes away front stains through jet holes in the rotating head. Compared with other existing clean pigs, the cleaning device has the biggest characteristic that the multistage impeller is utilized to drive the rotary inner cylinder to rotate, the kinetic energy of fluid ejected through the jet hole of the rotary head is higher, the cleaning efficiency is higher, and the blockage of the clean pigs is better prevented.
Description
Technical Field
The invention belongs to the field of cleaning of oil and gas pipelines, and particularly relates to a novel rotary jet type anti-blocking pipeline cleaning pig, which can more effectively realize a cleaning function and greatly reduce blocking risks.
Background
The operation of clearing up the pipeline is that before the pipeline is put into use and the pipeline later stage operation work is heavily important, and its purpose is to guarantee that the pipeline efficient carries oil gas, guarantees oil gas pipeline operation safety, improves pipeline life. This is because the pipeline is in transportation process, because the complicacy of the interior environment of pipeline is changeable, there is the difference in temperature in pipeline inner wall and transportation medium, this just leads to producing the hydrops in the pipeline, still can make the wax molecule in the crude oil separate out at the deposit of pipeline inner wall simultaneously, after the operation certain time, the wax layer thickens, so the phase deposit becomes many, the pipeline often can be blockked up, not only can influence the oil gas medium and carry, make efficiency reduce, still can harm the pipeline simultaneously, this will lead to clean pig card to block up in the pipeline, lead to the pipeline to stop transporting, cause huge economic loss.
At present, the anti-blocking clean pig has the following problems: the existing cleaning pigs mostly use a fixed drainage channel to wash away stains in front of the cleaning pigs so as to prevent the cleaning pigs from being blocked, but due to the structural and size limitations of the drainage channel, the washing force is limited. Cleaning pigs by high-pressure water jet is easy to erode the inner wall coating of the pipeline, and simultaneously the high-pressure water jet needs to consume a large amount of water resources; the self-destruction type clean pig can be self-destroyed to prevent the pipeline from being blocked when being blocked, but the cost is higher, and new solid-phase sediment is easily generated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a novel rotary jet type pipeline cleaning pig, a steel brush is selected for the device to clean solid-phase sediments on the inner wall of a pipeline, fluid flows through a rotary inner cylinder and washes an impeller, the impeller drives the rotary inner cylinder to rotate, so that the fluid in the cylinder has higher kinetic energy, the rotary inner cylinder drives a rotary head to rotate, the fluid is jetted from jet holes uniformly distributed at a certain angle from the rotary head, and front stains are washed in real time.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel rotatory clean pig of injection formula pipeline, in the middle of clean pig operation process, rotatory mechanism that erodees carries out high-speed washing away to the place ahead spot in real time, can effectively improve dredging pipe efficiency, prevents that the dredging pipe ware card is stifled, guarantee pipeline transportation safety, its characterized in that: the device consists of a driving mechanism, a supporting mechanism, a rotary scouring mechanism, a cleaning mechanism and the like.
The driving mechanism is composed of a clean pig outer barrel body and leather cups, wherein the leather cups adopt a combination form of a dish-shaped leather cup and a straight leather cup, two groups of leather cups are arranged in total, each group of leather cups are connected with the clean pig outer barrel body through 8 bolts distributed on the circumference, and the leather cup combination form can effectively scrape stains on the pipe wall while meeting the sealing condition.
The supporting mechanisms are formed by distributing two groups of supporting wheels at the front end and the rear end of the outer barrel of the pig cleaner and are connected with the outer barrel of the pig cleaner through threads, and each group comprises 8 supporting wheels which are uniformly distributed on the circumference and are contacted with the pipe wall; each supporting wheel is of a structure similar to a piston, and a spring is arranged in the cylinder, so that the clean pig has certain pipeline adaptability, and the passing capacity of the clean pig is improved.
The rotary scouring mechanism consists of a rotary inner cylinder, a two-stage impeller system, a ball and a rotary head; the rotary inner cylinder and the cleaning pig outer cylinder ensure relative rotation between the rotary inner cylinder and the cleaning pig outer cylinder through balls; the rotary inner cylinder is designed into a step type, the size of the fluid channel is changed, and the energy of the fluid can be effectively improved.
The impeller system is a power system of the rotary scouring mechanism and is connected with the inner wall of the rotary inner cylinder through welding; the impeller system comprises 1 level-1 drainage stator arranged at a fluid inlet at the rear end of the clean pig, and the 1 level-2 drainage stator and the two impellers are integrally formed; the angle is designed between the drainage stator and the impeller blade, so that when fluid enters the impeller flow channel through the drainage stator, the impeller blade is more effectively impacted to rotate, and the energy loss of the fluid is minimum.
The rotating head is a hollow cavity, is installed at the front end of the rotating inner barrel through threads, rotates along with the rotating inner barrel, is provided with jet holes which are uniformly distributed along the circumference and have certain angles, and when fluid is sprayed out from the rotating head through the jet holes, the front stain is sprayed, and it needs to be explained that the number of the jet holes can be changed according to needs and actual conditions, and 3-6 optimal effects are generally provided.
The cleaning mechanism is designed at the foremost end of the cleaning pig, the cleaning mechanism of the device is designed into a steel brush, and one end of the transmission shaft is in threaded connection with the rotating head through a shaft sleeve with threads; the other end of the transmission shaft is provided with threads, and the steel brush and the shaft are fixed together through a gasket and a nut. Therefore, the cleaning mechanism rotates along with the rotating head, and the effect of flushing the front cleaned stains in real time can be achieved; the cleaning mechanism of the present apparatus may be replaced with other cleaning mechanisms of the same type as needed.
The novel rotary jet type pipeline cleaning pig with the oil-gas pipeline has the following beneficial effects: the supporting mechanism is designed into a piston-like structure, and the clean pig has certain pipeline adaptability by utilizing the flexibility of the spring; the driving leather cup is designed into a combination form of a dish-shaped leather cup and a straight leather cup, so that the sealing effect is met, and meanwhile, stains attached to the surface of the pipe wall can be effectively scraped; the design of the rotary scouring mechanism enables the kinetic energy of the fluid to be high after the fluid flows through the two-stage impeller system, meanwhile, the rotary inner cylinder is driven to rotate, the rotary head is further driven to rotate, when the fluid flows into the cavity of the rotary head, the fluid is sprayed out at high speed through the jet holes formed in the rotary head to scour front stains, and further, the cleaning mechanism is driven to rotate through the transmission shaft to clean the pipe wall; compared with the existing fixed jet hole, the rotary jet of the invention has higher speed and better washing effect.
Drawings
FIG. 1 is an explosion attempt to clean pigs;
FIG. 2 is an isometric view of a cleaning pig;
FIG. 3 is a full sectional view of a clean pig;
FIG. 4 is a schematic view of cleaning a pig outer barrel;
FIG. 5 is a schematic view of a clean pig dish;
FIG. 6 is a schematic view of a clean pig straight cup;
FIG. 7 is a schematic view of a rotary inner cylinder for cleaning pigs;
FIG. 8 is a schematic view of a clean pig drainage stator;
FIG. 9 is a schematic view of a clean pig impeller rotor system;
FIG. 10 is a schematic view of a cleaning pig spin head;
FIG. 11 is a schematic view of a clean pig support mechanism;
FIG. 12 is a schematic view of a clean pig drive shaft;
FIG. 13 is a schematic view of a pig steel brush;
in the figure: 1. the pig outer barrel cleaning device comprises a shaft sleeve, 2, a steel brush, 3, a secondary impeller rotor, 4, a ball, 5, a rotary inner barrel, 6, a clean pig outer barrel, 7, a leather cup fastening bolt, 8, a dish-shaped leather cup, 9, a nut, 10, a gasket, 11, a primary drainage stator, 12, a supporting mechanism, 13, a straight leather cup, 14, a rotating head, 15, a transmission shaft, 16, a nut (transmission shaft), 17, a gasket (transmission shaft), 18, a supporting wheel frame, 19, a fastening joint, 20, a supporting wheel, 21, a telescopic spring, 22 and a supporting barrel.
Detailed Description
Clean pig of rotatory injection formula pipeline of oil gas pipeline is when normal work, including 22 parts: 1. the pig outer barrel cleaning device comprises a shaft sleeve, 2, a steel brush, 3, a secondary impeller rotor, 4, a ball, 5, a rotary inner barrel, 6, a clean pig outer barrel, 7, a leather cup fastening bolt, 8, a dish-shaped leather cup, 9, a nut, 10, a gasket, 11, a primary drainage stator, 12, a supporting mechanism, 13, a straight leather cup, 14, a rotating head, 15, a transmission shaft, 16, a nut (transmission shaft), 17, a gasket (transmission shaft), 18, a supporting wheel frame, 19, a fastening joint, 20, a supporting wheel, 21, a telescopic spring, 22 and a supporting barrel.
As shown in figure 1, is an exploded view of the clean pig, and the main parts and the assembly relationship of the device can be seen from the exploded view; further, it can be seen that the apparatus comprises: the cleaning device comprises two groups of driving leather cups, two groups of supporting mechanisms, a cleaning pig outer barrel, a rotating inner barrel, 3 sets of balls, a two-stage impeller system, a rotating head, a cleaning mechanism steel brush, a transmission shaft, a shaft sleeve, a nut and a gasket; in order to ensure the convenience of assembly, the nut, the washer, the bolt and the ball are of the same type.
As shown in fig. 2 and 3, the clean pig comprises two groups of driving leather cups, wherein each group of leather cups comprises a dish-shaped leather cup, a straight leather cup and a gasket which are respectively arranged at the front end and the rear end of an outer barrel body of the clean pig through 8 groups of bolts, gaskets and nuts; the two groups of supporting mechanisms are respectively connected with the outer barrel body of the clean pig through threads; a set of two-stage impeller system is welded with the rotary inner cylinder, and the rotary inner cylinder can rotate relative to the clean pig outer cylinder through 3 sets of balls; the rotating head is connected with the rotating inner cylinder through threads; the steel brush of the cleaning mechanism is connected with the rotating head through a transmission shaft, a shaft sleeve, a nut and a gasket.
As shown in fig. 4, which is a schematic view of a clean pig outer cylinder, two ends of the clean pig outer cylinder are provided with 8 circumferentially distributed bolt holes for connecting driving leather cups; the surface of the barrel body is provided with two groups of bosses, each group comprises 8 bosses which are uniformly distributed on the circumference, and each boss is provided with a thread for connecting a clean pig supporting mechanism; the surface of the inner cavity of the ball bearing is provided with 3 groups of 6 ball grooves with evenly distributed circumferences for placing balls.
As shown in fig. 5 and 6, which are schematic diagrams of a drive dish-shaped leather cup and a drive straight leather cup respectively, each leather cup is provided with 8 bolt holes distributed circumferentially, and the leather cups are connected with a cleaning pig outer barrel through bolts, gaskets and nuts and used for sealing and scraping dirt on the inner wall of a pipeline.
As shown in fig. 7, which is a schematic view of the rotating inner cylinder, it can be seen that 3 groups of 6 ball grooves distributed circumferentially are formed on the surface of the rotating inner cylinder, and the ball grooves are used for placing balls; furthermore, the rotary inner cylinder is designed into a step shape, which is beneficial to reducing the leakage area and increasing the kinetic energy of fluid.
As shown in fig. 8 and 9, the schematic diagrams of a 1-stage flow guiding stator and an impeller rotor system are shown, and are welded on the inner wall of a rotary inner cylinder, wherein the impeller rotor system comprises two impellers and a two-stage flow guiding stator which are integrally formed, the impeller rotor system is installed behind the one-stage flow guiding stator, and the impeller blades and the flow guiding channel are designed to form a certain angle; further, after the fluid passes through the primary drainage stator, the fluid flows out at a certain angle and enters the impeller rotor, so that the impeller generates circumferential rotation and drives the rotary inner cylinder to rotate; furthermore, the fluid flows into the secondary drainage stator channel after passing through the blades, and further the impeller generates circumferential rotation to drive the rotary inner cylinder to rotate. It should be noted that the design of the flow-directing stator and impeller blades in the present invention has certain angular requirements in order to minimize the energy loss of the fluid entering the rotor.
As shown in fig. 10, which is a schematic view of a rotary head, the rotary head is connected with a rotary inner cylinder through threads, the rotation direction of the threads is opposite to that of the turbine blades, the rotary head is provided with 3 jet flow channels distributed circumferentially, and the opening cross section of a jet flow hole is designed to be gradually changed so as to increase the jet flow speed; furthermore, a hole with a hexagonal cross section is formed in the front end of the rotating head, and the purpose is to install a transmission shaft. It should be noted that the number of jet holes can be changed according to the need and the actual situation, and 3-6 jet holes are provided generally with the best effect.
As shown in fig. 11, which is a schematic view of a supporting mechanism, the supporting mechanism includes a supporting wheel, a supporting wheel carrier, a fastening joint, a spring and a supporting cylinder, the lower end of the supporting cylinder is provided with a thread to connect with a boss of the outer cylinder body of the clean pig; the device is designed to be similar to a piston device, the spring is arranged in the supporting cylinder, and the supporting wheel frame can move for a certain distance in the supporting cylinder body due to the existence of the spring, so that the clean pig cleaning device has certain pipeline adaptability when operating in an oil-gas pipeline.
As shown in fig. 12, it is a schematic view of a transmission shaft, two ends of the transmission shaft are respectively designed with shaft sections with hexagonal cross sections, the other end is designed with threads, the transmission shaft is connected to a rotary head through a shaft sleeve with threads, and the other end is used for connecting a cleaning mechanism; it should be noted that the direction of rotation of the screw thread is opposite to the direction of rotation of the impeller.
As shown in fig. 13, a schematic diagram of a steel brush of a cleaning mechanism is shown, and the steel brush and an axis direction are designed to form a certain angle in the part, so that the cleaning efficiency is increased, the requirements of kinematics are met, and the resistance is reduced; furthermore, the cleaning mechanism is provided with a hole with a hexagonal cross section, the hole is connected to a transmission shaft through a nut and a gasket, and the transmission shaft drives the steel brush to rotate; it should be noted that the direction of rotation of the screw thread is opposite to the direction of rotation of the impeller.
The mode of operation of the invention is as follows:
1. before the clean pig is put in, the corresponding clean pig is selected according to the pipeline model, so that the accurate positioning of each part is ensured, a certain allowance is left on a clean pig supporting mechanism spring, and the clean pig is ensured to have certain pipeline adaptability.
2. Before work, according to the degree of stain on the inner wall of the pipeline, the number of the rotating head jet holes is selected, and the tightness of bolts at the connecting part is checked.
3. And reasonable fluid flow and preset pressure are set according to the pressure-resistant condition of the pipeline and the fluid power required by the impeller power system.
4. After the clean pig is put into operation, the change condition of the fluid medium pressure needs to be detected in real time.
5. When the pig ball collecting work is carried out, a certain safety area needs to be reserved at the tail end of the pipeline.
Claims (7)
1. A novel rotary jet type anti-blocking pipeline cleaning pig with an oil-gas pipeline can more effectively wash stains in front of the cleaning pig in real time when the cleaning pig operates in the pipeline; the device consists of a driving mechanism, a supporting mechanism, a rotary scouring mechanism, a cleaning mechanism and the like.
2. The novel rotary jet type anti-blocking pipeline cleaning pig of the oil-gas pipeline according to claim 1, characterized in that: the driving mechanism consists of a leather cup and a clean pig outer barrel body, the leather cup and the clean pig outer barrel body are connected through 8 bolts uniformly distributed on the circumference, the leather cup is in interference fit with the pipe wall in a mode of combining a dish-shaped leather cup and a straight leather cup, and a ball groove is formed in the inner wall of the clean pig outer barrel body.
3. The novel rotary jet type anti-blocking pipeline cleaning pig of the oil and gas pipeline according to claim 1 or 2, characterized in that: the rotary scouring mechanism is composed of a cylindrical rotary inner cylinder, balls, a two-stage impeller system and a rotary head, wherein the rotary inner cylinder and the clean pig outer cylinder are guaranteed to rotate relatively through 3 groups of balls, the two-stage impeller system and the rotary inner cylinder are welded together, and the rotary head is connected with the rotary inner cylinder through threads.
4. The novel rotary jet type anti-blocking pipeline cleaning pig of the oil and gas pipeline according to claim 1, 2 or 3, characterized in that: the inner cavity of the rotary inner cylinder is provided with a two-stage impeller power system which is composed of a first-stage drainage stator, a first-stage impeller rotor, a second-stage drainage stator and an impeller rotor, wherein the first-stage impeller rotor, the second-stage drainage stator and the impeller rotor are designed into an integrated forming, the outlet direction of the drainage stator and the inlet direction of the impeller rotor are designed into special angles, the impeller is guaranteed to rotate under the impact-free working condition, and the energy loss is minimum when fluid enters the rotor.
5. The novel rotary jet type anti-blocking pipeline cleaning pig of the oil-gas pipeline according to claim 1, 2, 3 or 4, characterized in that: the rotating head and the rotating inner cylinder are connected together through threads, the impeller power system drives the rotating head to rotate by driving the rotating inner cylinder, so that the fluid has certain kinetic energy, 3-6 jet holes with certain angles are uniformly formed in the circumference of the rotating head, and the fluid scours front stains through the jet holes.
6. The novel rotary jet type anti-blocking pipeline cleaning pig as claimed in claim 1, 2, 3, 4 or 5, wherein: this device cleans the mechanism and is connected with the rotating head through the transmission shaft, and the rotatory drive through the rotating head cleans the mechanism and rotates.
7. The novel rotary jet type anti-blocking pipeline cleaning pig of the oil and gas pipeline according to claim 1, 2, 3, 4, 5 or 6, characterized in that: this device supporting mechanism is equipped with two sets of supporting wheels, and 8 circumference equipartitions of every group and the contact of pipeline inner wall play the function of supporting with the walking, and the supporting wheel passes through threaded connection with the outer barrel of clean pig, and wherein every supporting wheel design is similar piston device, and inside is equipped with the spring for the supporting wheel has certain pipeline adaptability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278622.2A CN112517567A (en) | 2020-11-16 | 2020-11-16 | Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278622.2A CN112517567A (en) | 2020-11-16 | 2020-11-16 | Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline |
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| CN112517567A true CN112517567A (en) | 2021-03-19 |
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| CN202011278622.2A Pending CN112517567A (en) | 2020-11-16 | 2020-11-16 | Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245321A (en) * | 2021-05-14 | 2021-08-13 | 中国计量大学 | Self-adaptive passive cleaning robot for flammable and explosive dust pipeline |
| CN115254829A (en) * | 2021-04-30 | 2022-11-01 | 中石化石油工程技术服务有限公司 | Jet flow pipe cleaner with rotary steel brush |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205673313U (en) * | 2016-06-16 | 2016-11-09 | 大庆强强清洗有限公司 | Water drilling channel washer |
| CN206028270U (en) * | 2016-08-17 | 2017-03-22 | 四川德阳庆达实业有限公司 | Rotation type dredging pipe ware |
| CN106694489A (en) * | 2016-12-16 | 2017-05-24 | 天津惠博普管道技术有限公司 | Tube cleaner provided with airtight cavity |
| CN207507929U (en) * | 2016-12-16 | 2018-06-19 | 天津惠博普管道技术有限公司 | A kind of eccentric abrasion prevention wiper suitable for fluid pipeline |
| CN109158389A (en) * | 2018-09-11 | 2019-01-08 | 西安石油大学 | A kind of spin jet stream pipe cleaning device |
| CN208555379U (en) * | 2018-04-25 | 2019-03-01 | 天津惠博普管道技术有限公司 | A kind of rotary pipe cleaner |
| CN109530352A (en) * | 2018-11-14 | 2019-03-29 | 东北石油大学 | The rotary paraffin removal unit and its dewaxing method used in a kind of wax-containing oil pipe |
| CN110586587A (en) * | 2019-09-04 | 2019-12-20 | 珠海恒基达鑫国际化工仓储股份有限公司 | Pipe sweeping device and sweeping system |
-
2020
- 2020-11-16 CN CN202011278622.2A patent/CN112517567A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205673313U (en) * | 2016-06-16 | 2016-11-09 | 大庆强强清洗有限公司 | Water drilling channel washer |
| CN206028270U (en) * | 2016-08-17 | 2017-03-22 | 四川德阳庆达实业有限公司 | Rotation type dredging pipe ware |
| CN106694489A (en) * | 2016-12-16 | 2017-05-24 | 天津惠博普管道技术有限公司 | Tube cleaner provided with airtight cavity |
| CN207507929U (en) * | 2016-12-16 | 2018-06-19 | 天津惠博普管道技术有限公司 | A kind of eccentric abrasion prevention wiper suitable for fluid pipeline |
| CN208555379U (en) * | 2018-04-25 | 2019-03-01 | 天津惠博普管道技术有限公司 | A kind of rotary pipe cleaner |
| CN109158389A (en) * | 2018-09-11 | 2019-01-08 | 西安石油大学 | A kind of spin jet stream pipe cleaning device |
| CN109530352A (en) * | 2018-11-14 | 2019-03-29 | 东北石油大学 | The rotary paraffin removal unit and its dewaxing method used in a kind of wax-containing oil pipe |
| CN110586587A (en) * | 2019-09-04 | 2019-12-20 | 珠海恒基达鑫国际化工仓储股份有限公司 | Pipe sweeping device and sweeping system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254829A (en) * | 2021-04-30 | 2022-11-01 | 中石化石油工程技术服务有限公司 | Jet flow pipe cleaner with rotary steel brush |
| CN113245321A (en) * | 2021-05-14 | 2021-08-13 | 中国计量大学 | Self-adaptive passive cleaning robot for flammable and explosive dust pipeline |
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Application publication date: 20210319 |
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