CN112944092A - Multiphase oil pipeline antifriction device and method thereof - Google Patents
Multiphase oil pipeline antifriction device and method thereof Download PDFInfo
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- CN112944092A CN112944092A CN201911263431.6A CN201911263431A CN112944092A CN 112944092 A CN112944092 A CN 112944092A CN 201911263431 A CN201911263431 A CN 201911263431A CN 112944092 A CN112944092 A CN 112944092A
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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
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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 pipes, e.g. by traps, by strainers
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Abstract
本发明涉及一种多相输油管道减磨装置，包括三通管一、三通管二和曲通管，三通管一、三通管二分别和曲通管的两端连接，连接处设有阀门一和阀门二，三通管一的另一端通过阀门三连接旋流腔，三通管二的另一端通过阀门四连接分离腔，旋流腔和分离腔通过法兰连接，旋流腔中开有旋流槽，旋流腔内设有旋流叶片，旋流叶片卡在旋流槽中旋转，分离腔底部开有排沙口，与排沙口对应的位置连接储沙腔。本发明还涉及了该装置的减磨方法。本发明可有效解决长距离输油管道的磨损现状，从根源上减少采出液中泥沙的含量，以达到对管道阀体与弯管的减磨损效果，保护并延长管道使用寿命。The invention relates to a multiphase oil pipeline anti-friction device, comprising a first three-way pipe, a second three-way pipe and a curved pipe. There are valve 1 and valve 2. The other end of tee pipe 1 is connected to the swirl chamber through valve 3, and the other end of tee pipe 2 is connected to the separation chamber through valve 4. The swirl chamber and the separation chamber are connected by flanges. A swirl groove is opened in the middle, and a swirl blade is arranged in the swirl cavity, and the swirl blade is stuck in the swirl groove to rotate. The bottom of the separation cavity is provided with a sand discharge port, and the position corresponding to the sand discharge port is connected to the sand storage cavity. The invention also relates to a method for reducing the wear of the device. The invention can effectively solve the current wear of long-distance oil pipelines, reduce the content of sediment in the produced fluid from the source, achieve the effect of reducing wear on the valve body and the elbow of the pipeline, and protect and prolong the service life of the pipeline.
Description
Technical Field
The invention belongs to the field of petroleum machinery, and relates to a multiphase oil pipeline antifriction device and a method thereof.
Background
In recent two centuries, with the rapid development of economy, petroleum has always been the main line of sight of people as one of the most valuable energy sources. The produced liquid is transported by pipelines mostly. With the fact that the petroleum industry in China enters the later stage of exploitation, the overall benefit of the petroleum industry is reduced, the conveying distance of produced liquid is increased continuously, the water content in the produced liquid is increased greatly, and the proportion of silt in the produced liquid is increased. In the process of pipeline transportation, silt brings great scouring wear to the pipeline, so that the pipeline is seriously worn. The erosion and the abrasion of the pipeline elbow and the valve body part are the most serious in the process of transporting the produced liquid, so that the whole transporting pipeline is damaged. This has both an impact on production and leakage of production fluids and even paralysis of the entire transport line. And when leakage occurs, the environment near the conveying pipeline is seriously polluted and immeasurable economic loss is caused. In the face of the current situations that the current petroleum resources are in short supply, the construction investment of a transport pipeline is large, the maintenance and the replacement are difficult, the leakage hazard is serious, the environmental pollution and the energy loss are difficult to control, and the requirements on environmental protection in China and China are met, and the abrasion of silt in the transport of the produced liquid cannot be ignored. Therefore, a need exists for a pipeline friction reducing device that addresses the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a multiphase oil pipeline antifriction device, which solves the problem that the existing produced liquid has high silt content and serious pipeline abrasion.
The second purpose of the invention is to provide a method for reducing the friction of the multiphase oil pipeline friction reducing device.
The invention is realized by the following technical scheme:
the utility model provides a heterogeneous oil pipeline antifriction device, including three-way pipe one, three-way pipe two and bent siphunculus, three-way pipe one, three-way pipe two is connected with the both ends of bent siphunculus respectively, the junction is equipped with valve one and valve two, the other end of three-way pipe one passes through valve three and connects the whirl chamber, the other end of three-way pipe two passes through valve four and connects the separation chamber, whirl chamber and separation chamber pass through flange joint, it has the whirl groove to open in the whirl chamber, be equipped with the whirl blade in the whirl chamber, the whirl blade card is rotatory in the whirl groove, separation chamber bottom is opened there is the sand discharge mouth, connect the sand storage chamber with the position that the sand discharge mouth corresponds.
Furthermore, the bottom of the sand storage cavity is provided with a water injection hole and a sand outlet, and the water injection hole and the sand outlet are arranged oppositely.
Further, still include connecting pipe, control tube and regulation pole, wherein, the length of control tube can stretch out and draw back, and the connecting pipe passes through flange joint in the low reaches of separation chamber, and connecting pipe and control tube are fixed through adjusting the pole contact, and the connecting rod passes through threaded connection with the connecting pipe, and control tube and valve are again through flange joint.
Furthermore, the two sand discharge openings are respectively arranged in the front and back directions of the lower part of the separation cavity, and the slotting direction and the direction of the swirl vanes are the same.
Furthermore, the pitch of the swirl vanes is big at the front and small at the back.
Furthermore, the flange joints are provided with sealing rings.
Secondly, the antifriction method of the multiphase oil pipeline antifriction device comprises the following steps:
(1) closing the first valve and the second valve, opening the third valve and the fourth valve, enabling the produced liquid to flow into the cyclone cavity from the first three-way pipe, forming spiral flow under the action of cyclone blades, enabling silt particles to be close to the pipe wall under the action of centrifugal force, enabling the silt particles to enter the separation cavity, enabling the silt particles to enter the sand storage cavity from the sand discharge port, and enabling other produced liquid to flow into the second three-way pipe;
(2) and closing the third valve and the fourth valve, opening the first valve and the second valve, and allowing the produced liquid to pass through the curved tube.
Adopt above-mentioned technical scheme's positive effect: the invention can effectively solve the current abrasion situation of the long-distance oil pipeline, radically reduces the content of silt in the produced liquid, achieves the effect of reducing abrasion of the pipeline valve body and the elbow, protects and prolongs the service life of the pipeline; when the anti-friction device is replaced or maintained, the normal transportation of the oil pipeline can be ensured; the design of the multiphase oil pipeline antifriction device has great effect on long-distance oil pipelines.
Drawings
FIG. 1 is a schematic view of a two-dimensional structure of an assembly of a multiphase oil pipeline friction reducing device;
FIG. 2 is a three-dimensional exploded view of the assembly of the multiphase oil pipeline friction reducing device;
FIG. 3 is a schematic structural view of a swirl vane;
FIG. 4 is a schematic structural view of a vortex chamber;
FIG. 5 is a schematic structural view of a separation chamber;
FIG. 6 is a schematic structural view of a sand storage chamber;
FIG. 7 is a schematic view of the structure of the connection pipe;
FIG. 8 is a schematic view of the structure of the regulator tube;
FIG. 9 is a schematic structural view of a tee;
FIG. 10 is a schematic structural view of a curved pipe;
fig. 11 is a schematic view of the structure of the adjustment lever.
In the figure, a first three-way pipe 1A, a second three-way pipe 1B, a first valve 2A, a second valve 2B, a third valve 2C, a fourth valve 2D, a 3 sealing ring, a 4-bend pipe, a 5-swirl cavity, 6-swirl blades, a 7-separation cavity, a 8-connecting pipe, a 9-regulating pipe, a 10-sand discharge opening, a 11-sand storage cavity, a 12-water injection hole, a 13-sand outlet and a 14-regulating rod are arranged.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the present invention should not be construed as being limited thereto:
FIG. 1 is a schematic diagram of a two-dimensional structure of an assembly of a multiphase oil pipeline friction reducing device, FIG. 2 is a three-dimensional exploded view of the assembly of the multiphase oil pipeline friction reducing device, FIG. 9 is a schematic diagram of a three-way pipe, FIG. 10 is a schematic diagram of a curved pipe, as shown, the multiphase oil pipeline friction reducing device comprises a first three-way pipe 1A, a second three-way pipe 1B and a curved pipe 4, the first three-way pipe 1A and the second three-way pipe 1B are respectively connected with two ends of the curved pipe 4, a first valve 2A and a second valve 2B are arranged at the joints, whether produced liquid passes through the curved pipe 4 is controlled through the first valve 2A and the second valve 2B, the other end of the first three-way pipe 1A is connected with a rotational flow cavity 5 through a third valve 2C, the other end of the second three-way pipe 1B is connected with a separation cavity 7 through a fourth valve 2D, the rotational flow cavity 5 is connected with the separation cavity 7 through a flange, and the produced liquid passes through the, a cyclone groove is formed in the cyclone cavity 5, cyclone blades 6 are arranged in the cyclone cavity 5, and the cyclone blades 7 are clamped in the cyclone groove to rotate, so that the produced liquid generates cyclone under the action of centrifugal force, and then silt in the produced liquid can rotate against the wall to generate separation. The bottom of the separation cavity 7 is provided with a sand discharge port 10, and a position corresponding to the sand discharge port 10 is connected with a sand storage cavity 11. The adherent silt enters the sand storage cavity through the sand discharge port at the position. The swirl chamber is internally provided with swirl blades, and the structure of the swirl chamber adopts a large-blade large-pitch structure which can reduce the impact force of high-pressure produced liquid, avoid the damage to the device caused by overlarge impact force and reduce the influence on the transportation speed of the produced liquid.
Fig. 6 is a schematic structural diagram of a sand storage cavity, and as shown in the figure, a water injection hole 12 and a sand outlet 13 are formed in the bottom of the sand storage cavity 11, and the water injection hole 12 and the sand outlet 13 are arranged oppositely. Thus, the water injection hole is opened, and the silt is discharged from the sand outlet by water flushing.
Fig. 7 is a schematic structural diagram of a connecting pipe, fig. 8 is a schematic structural diagram of an adjusting pipe, fig. 11 is a schematic structural diagram of an adjusting rod, and as shown in the drawings, the present invention further includes a connecting pipe 8, an adjusting pipe 9 and an adjusting rod 14, wherein the length of the adjusting pipe 9 can be extended and contracted, the connecting pipe 8 is connected to the downstream of the separation cavity 7 through a flange, the connecting pipe 8 and the adjusting pipe 9 are fixed by the adjusting rod 14 in a contact manner, the connecting rod 14 is connected with the connecting pipe 8 through a thread, and the adjusting pipe 9 is connected with the valve four. The adjusting pipe can be extended or shortened within a certain range when being axially installed in the pipeline, so that the cyclone separation device can be quickly installed or detached.
Fig. 5 is a schematic structural diagram of the separation chamber, and as shown in the figure, two sand discharge ports 10 are respectively arranged in the front and rear directions of the lower part of the separation chamber 7, and the slotting direction and the direction of the swirl vanes 6 are the same, so that the high-density silt in the selected fluid can smoothly flow out along the sand discharge ports and enter the sand storage chamber.
Fig. 3 is a schematic structural diagram of a swirl vane, fig. 4 is a schematic structural diagram of a swirl chamber, as shown in the figure, the pitch of the swirl vane 6 is large at the front and small at the back, and mainly in order to make produced liquid have sufficient swirl velocity and generate enough centrifugal force to make sediment with large density attach to the outer wall of the swirl chamber to rotate and enter a separation chamber.
And sealing rings 3 are arranged at the joints of the flanges.
A method for reducing friction of a multiphase oil pipeline friction reducing device comprises the following steps:
(1) closing the first valve 2A and the second valve 2B, opening the third valve 2C and the fourth valve 2D, enabling produced liquid to flow into the cyclone cavity 5 from the first three-way pipe 1A, forming spiral flow under the action of the cyclone blades 6, enabling silt particles to be close to the pipe wall under the action of centrifugal force, enabling the silt particles to enter the separation cavity 7, enabling the silt particles to enter the sand storage cavity 11 from the sand discharge port 10, and enabling other produced liquid to flow into the second three-way pipe 1B;
(2) and (3) closing the valve III 2C and the valve IV 2D, opening the valve I2A and the valve II 2B, and allowing the produced liquid to pass through the bent pipe 4.
When the device normally works, produced liquid fluid flows into the device from the left three-way pipe 1, at the moment, two pipeline valves 2 in the straight pipe are opened, two pipeline valves 2 connected with the curved pipe 4 are closed, the produced liquid fluid flows into the rotational flow cavity 5 from the left side, under the action of the rotational flow blades 6 in the rotational flow cavity 5, a spiral flow is formed in the necking pipe along the rotational flow blades 6, silt particles with high density in the produced liquid are close to the pipe wall due to the action of centrifugal force and move spirally, and when the produced liquid enters the separation cavity 7, the silt centrifugal force is large, and the produced liquid can fly out from two sand discharge ports 10 opened in the separation cavity 7. The two sand discharge openings 10 of the separation cavity 7 are respectively arranged in the front direction, the rear direction and the two directions of the lower part of the separation cavity 7, and the slotting direction is the same as the rotating vane direction. After separation, the produced liquid continuously flows rightwards through the connecting pipe 8 and flows to the right three-way pipe 1. The separated silt enters the sand storage cavity 11. When the silt is accumulated to a certain degree, the water injection hole 12 and the silt outlet 13 of the silt storage cavity 11 are opened, and water flushing is carried out to drain the silt completely. When the cyclone separation device needs to be maintained or replaced, two pipeline valves 2 in the straight-through pipe need to be closed, two pipeline valves 2 connected with the curved through pipe 4 need to be opened so as to ensure the normal delivery of the produced liquid, the two pipeline valves 2 connected with the curved through pipe 4 need to be closed when the replacement or the replacement is finished, and the two pipeline valves 2 in the straight-through pipe need to be opened to continue the desanding operation.
According to the research on the multiphase pipeline flow and erosive wear principle, a novel pipeline type multiphase wear reducing device is provided by utilizing a pipeline multiphase separation method, so that silt particles in an oil pipeline are discharged to the outside of the pipeline through a cyclone separation device by utilizing a cyclone centrifugal separation method, the proportion of solid phase in the oil pipeline is reduced, and a better pipeline wear reducing effect is achieved.
Claims (7)
1. The utility model provides a heterogeneous oil pipeline antifriction device which characterized in that: the three-way pipe comprises a first three-way pipe (1A), a second three-way pipe (1B) and a bent pipe (4), wherein the first three-way pipe (1A), the second three-way pipe (1B) and the two ends of the bent pipe (4) are respectively connected, a first valve (2A) and a second valve (2B) are arranged at the joint, the other end of the first three-way pipe (1A) is connected with a cyclone cavity (5) through a third valve (2C), the other end of the second three-way pipe (1B) is connected with a separation cavity (7) through a fourth valve (2D), the cyclone cavity (5) and the separation cavity (7) are connected through flanges, a cyclone groove is formed in the cyclone cavity (5), a cyclone blade (6) is arranged in the cyclone cavity (5), the cyclone blade (7) is clamped in the cyclone groove to rotate, a sand discharge port (10) is formed in the bottom of the separation cavity (7), and a sand storage cavity (11) is.
2. The multiphase oil pipeline friction reducing device according to claim 1, characterized in that: the bottom of the sand storage cavity (11) is provided with a water injection hole (12) and a sand outlet (13), and the water injection hole (12) and the sand outlet (13) are arranged oppositely.
3. The multiphase oil pipeline friction reducing device according to claim 1, characterized in that: still include connecting pipe (8), regulating pipe (9) and adjust pole (14), wherein, the length of regulating pipe (9) can stretch out and draw back, and flange joint is passed through in the low reaches of separation chamber (7) in connecting pipe (8), and connecting pipe (8) and regulating pipe (9) are fixed through adjusting pole (14) contact, and connecting rod (14) pass through threaded connection with connecting pipe (8), and regulating pipe (9) and four (2D) of valve pass through flange joint again.
4. The multiphase oil pipeline friction reducing device according to claim 1, characterized in that: the two sand discharge openings (10) are respectively arranged in the front and back directions of the lower part of the separation cavity (7), and the slotting direction is the same as the direction of the swirl vanes (6).
5. The multiphase oil pipeline friction reducing device according to claim 1, characterized in that: the pitch of the rotational flow blade (6) is big at the front and small at the back.
6. The multiphase oil pipeline friction reducing device according to claim 1, characterized in that: and sealing rings (3) are arranged at the joints of the flanges.
7. A method of reducing friction in a multiphase oil pipeline friction reducing device according to claim 1, characterized in that: the method comprises the following steps:
(1) closing the first valve (2A) and the second valve (2B), opening the third valve (2C) and the fourth valve (2D), enabling produced liquid to flow into the cyclone cavity (5) from the first three-way pipe (1A), forming spiral flow under the action of the cyclone blades (6), enabling silt particles to be close to the pipe wall under the action of centrifugal force, entering the separation cavity (7), entering the sand storage cavity (11) from the sand discharge port (10), and enabling other produced liquid to flow to the second three-way pipe (1B);
(2) and (3) closing the valve III (2C) and the valve IV (2D), opening the valve I (2A) and the valve II (2B), and allowing the produced liquid to pass through the curved pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263431.6A CN112944092A (en) | 2019-12-11 | 2019-12-11 | Multiphase oil pipeline antifriction device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263431.6A CN112944092A (en) | 2019-12-11 | 2019-12-11 | Multiphase oil pipeline antifriction device and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112944092A true CN112944092A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911263431.6A Pending CN112944092A (en) | 2019-12-11 | 2019-12-11 | Multiphase oil pipeline antifriction device and method thereof |
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| CN (1) | CN112944092A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119146297A (en) * | 2024-11-21 | 2024-12-17 | 鞍山热工自控阀有限公司 | Self-cleaning valve structure capable of filtering sundries |
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| CN201273183Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Axial rotational flow sand removing device for oil well mouth |
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| CN209245507U (en) * | 2018-08-17 | 2019-08-13 | 四川捷贝通能源科技有限公司 | Apply the multi-functional oil pipeline connector on ground |
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2019
- 2019-12-11 CN CN201911263431.6A patent/CN112944092A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218376Y (en) * | 2008-07-10 | 2009-04-08 | 宝山钢铁股份有限公司 | Pipe expansion joint |
| CN201273183Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Axial rotational flow sand removing device for oil well mouth |
| CN203240162U (en) * | 2013-05-08 | 2013-10-16 | 江苏徐塘发电有限责任公司 | Short connector capable of being adjusted rapidly |
| CN106112518A (en) * | 2016-08-18 | 2016-11-16 | 德科隆（无锡）流体控制有限公司 | Pipeline increases valve or the installation method of equipment online and installs accessory |
| CN108104791A (en) * | 2016-11-24 | 2018-06-01 | 辽宁陆海石油装备研究院有限公司 | A kind of well head spiral-flow type high-pressure oil gas sand separating apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119146297A (en) * | 2024-11-21 | 2024-12-17 | 鞍山热工自控阀有限公司 | Self-cleaning valve structure capable of filtering sundries |
| CN119146297B (en) * | 2024-11-21 | 2025-03-18 | 鞍山热工自控阀有限公司 | A self-cleaning valve structure capable of filtering debris |
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Inventor after: Li Ji Inventor after: Hua Chengyi Inventor after: Huang Xiaomin Inventor after: Wang Shengze Inventor after: Yang Sichao Inventor after: Li Lingxu Inventor before: Li Ji Inventor before: Zhang Xian Inventor before: Ji Dawei Inventor before: Qiu Shuxin Inventor before: Li Lingxu Inventor before: Wu Peng |
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Application publication date: 20210611 |