CN106763010A - A kind of natural gas conveying pipe wall drag reduction structures - Google Patents
A kind of natural gas conveying pipe wall drag reduction structures Download PDFInfo
- Publication number
- CN106763010A CN106763010A CN201710095835.3A CN201710095835A CN106763010A CN 106763010 A CN106763010 A CN 106763010A CN 201710095835 A CN201710095835 A CN 201710095835A CN 106763010 A CN106763010 A CN 106763010A
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- China
- Prior art keywords
- natural gas
- conveying pipe
- bulb
- ball
- drag reduction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of natural gas conveying pipe wall drag reduction structures,Including two pipelines and interior anti-drag paint layer,Interior anti-drag paint layer is scribbled in the inner chamber of the pipeline,Blower fan is mounted with the inner chamber of the interior anti-drag paint layer,Insertion is connected with bulb between two pipelines,This natural gas conveying pipe wall drag reduction structures simple structure,On the basis of common pipe structure,Add bulb,Then oval ball is added in the inner chamber of bulb,The combining structure of tracheae and ball float,By the use of stepper motor as power source,Drive the rotation of the second flywheel,Transferred power on elliptical shape ball by transmission belt and the first flywheel,So that oval ball,The combining structure of tracheae and ball float is rotated in bulb inner chamber together,Simultaneously,The geometry of the helicla flute that oval ball surface is provided with,It is easy to the flowing of gas,So as to considerably increase the flow velocity of pipeline inside natural gas,Reduce resistance,Improve natural gas transportation efficiency.
Description
Technical field
The present invention relates to pipe technology field, specially a kind of natural gas conveying pipe wall drag reduction structures.
Background technology
Natural gas is one of the world today's most important energy of population production and living.Extensive life and enterprise in the people
Production among play irreplaceable effect.Used recently as area along Long-distance Transmission Pipeline and terminal user
The increase of tolerance (resident's gas consumption and enterprise demand amount), how in the situation that natural gas supply amount is abundant, distribution pressure is stable
Under, the on-way resistance during the conveying capacity reduction natural gas transportation of natural gas is improved, reduce pipeline energy consumption and run into
This, it is that pipeline scientific worker is devoted to research to improve operating flexibility, security and the economy of pipeline to meet user's request
Important topic, receive extensive attention both domestic and external, study very active.
Positive policy, energy-saving theory and long distance pipeline in country are carried out under the overall background of natural gas transportation, are improved
Natural gas line transfer efficiency is the inexorable trend of natural gas line conveying development, is also the important mark of conveyance conduit technological progress
Will, it is to reducing conveyance conduit construction cost, ensureing that conduit running is significant safely.Therefore, how in existing pipeline
Under the conditions of increase the conveying capacity of natural gas and just turn into the new problem for being badly in need of research, researching natural gas long distance pipeline drag reduction increases defeated new reason
Read, it is necessary to inquire into and the various drag reduction mechanisms of development and technique.Therefore, proposing a kind of natural gas conveying pipe wall drag reduction knot
Structure.
The content of the invention
It is an object of the invention to provide a kind of natural gas conveying pipe wall drag reduction structures, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of natural gas conveying pipe wall drag reduction structures, including two pipelines and interior anti-drag paint layer, the pipeline
Interior anti-drag paint layer is scribbled in inner chamber, blower fan is mounted with the inner chamber of the interior anti-drag paint layer, passed through between two pipelines
Lead to and be connected to bulb, and the upper and lower ends of bulb offer axis hole, are rotated in axis hole and are plugged with major axis, two major axis
Between be connected with oval ball, oval ball is hollow structure, and the lateral wall of the oval ball is provided with helicla flute, along spiral
Groove direction opens up multiple passages, and on elliptical shape ball body sidewall, oval ball insertion simultaneously is connected with many passage
One end of individual tracheae, the other end of tracheae is respectively connected with ball float；
The lower end of the major axis below the oval ball extends to bulb lateral wall, and under the oval ball
The lower end of the major axis of side is connected on limited block, and sealing ring is socketed with two major axis, on the oval ball
The upper end of the major axis of side extends to bulb lateral wall, and the major axis being close to above the oval ball is connected on the first flywheel,
First flywheel is connected by transmission belt and the second flywheel, and the second flywheel is connected with the rotating shaft on stepper motor, the stepping
The lateral wall of motor is fixedly connected by tripod with the upper surface of connecting plate, and the lower surface of connecting plate is fixedly connected on pipeline
On lateral wall.
Preferably, the number of the passage is more than 25, and equidistantly distributed between passage.
Preferably, the number of the tracheae has five, and tracheae annular spread centered on oval ball.
Preferably, at least three layers of each described sealing ring.
Preferably, the interior anti-drag paint layer is made up of the weight portion of following feed components, base-material 30-40 parts, antirust
The pigment 10-15 parts and curing agent 12-17 parts double-component solvent epoxy coatings layer of composition.
Preferably, the ball float is netted ventilation spherical shell structure.
Preferably, the interior outside of the axis hole is equipped with sealing ring.
Compared with prior art, the beneficial effects of the invention are as follows：The letter of this natural gas conveying pipe wall drag reduction structures structure
It is single, on the basis of common pipe structure, add bulb, bulb to increase circulation, change flow velocity, eliminate the resistance of gas part
Power, then adds the combining structure of oval ball, tracheae and ball float in the inner chamber of bulb, by the use of stepper motor as power
Source, drives the rotation of the second flywheel, is transferred power on elliptical shape ball by transmission belt and the first flywheel so that elliptical shape ball
The combining structure of body, tracheae and ball float is rotated in bulb inner chamber together, meanwhile, the geometry of the helicla flute that oval ball surface is provided with
Structure, is easy to the flowing of gas, so as to considerably increase the flow velocity of pipeline inside natural gas, reduces resistance, improves natural fate
Defeated efficiency.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the top view of oval ball and ball float combining structure.
In figure：1 pipeline, anti-drag paint layer, 3 bulbs, 4 major axis, 5 limited blocks, 6 first flywheels, 7 transmission belts, 8 second in 2
Flywheel, 9 stepper motors, 10 tripods, 11 connecting plates, 12 sealing rings, 13 oval balls, 14 passages, 15 tracheaes, 16 ball floats,
17 helicla flutes, 18 blower fans.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：
Embodiment 1
A kind of natural gas conveying pipe wall drag reduction structures, including two pipelines 1 and interior anti-drag paint layer 2, pipeline 1 it is interior
Interior anti-drag paint layer 2 is scribbled in chamber, the interior anti-drag paint layer 2 is made up of the weight portion of following feed components, 30 parts of base-material,
The double-component solvent epoxy coatings layer of 12 parts of compositions of 10 parts of rust resisting pigment and curing agent.Using the chemical property of dope layer, can
To reduce the resistance of a part of gas of the generation of pipeline 1.
Blower fan 18 is mounted with the inner chamber of interior anti-drag paint layer 2, meanwhile, the blower fan 18 being provided with inside pipeline 1 is rotated, and is accelerated
The air velocity of the pipeline 1 of natural gas, insertion is connected with bulb 3 between two pipelines 1, and bulb 3 increases circulation, changes stream
Speed, eliminates gas some resistance, and the upper and lower ends of bulb 3 offer axis hole, and the interior outside of axis hole is equipped with sealing ring 12,
At least three layers of each sealing ring 12, sealing ring 12 can prevent the leakage of natural gas, rotated in axis hole and be plugged with major axis 4,
Oval ball 13 is connected between two major axis 4, oval ball 13 is hollow structure, and the lateral wall of oval ball 13 is provided with spiral
Groove 17, multiple passages 14 are opened up along the direction of helicla flute 17, passage 14 on the side wall of oval ball 13, the number of passage 14
Mesh is more than 25, and natural gas can also be passed through on the basis of flow velocity is increased by passage 14, reduces product in rotation process
Equidistantly distributed between raw resistance, and passage 14, the insertion simultaneously of oval ball 13 is connected with one end of multiple tracheaes 15, gas
The number of pipe 15 has five, and an annular spread centered on oval ball 13 of tracheae 15, and the other end of tracheae 15 is respectively connected with floating
Ball 16, ball float 16 is netted ventilation spherical shell structure, is easy to passing through for gas, and gas may pass through ball float 16, tracheae 15 and elliptical shape ball
Passage 14 on body 13, reduces the resistance produced in rotary course.
The lateral wall of bulb 3 is extended near the lower end of the major axis 4 of the lower section of oval ball 13 and the lower end of major axis 4 is connected to limit
On the block 5 of position, sealing ring 12 is socketed with two major axis 4, the upper end near the major axis 4 of the top of oval ball 13 extends to bulb
3 lateral walls and major axis 4 is connected on the first flywheel 6, the first flywheel 6 is connected by the flywheel 8 of transmission belt 7 and second, the second flywheel 8
It is connected with the rotating shaft on stepper motor 9, the lateral wall of stepper motor 9 is fixed by the upper surface of tripod 10 and connecting plate 11 and connected
Connect, stepper motor 9 and blower fan 18 are electrically connected with by between controlling switch and extraneous power supply, and the lower surface of connecting plate 11 is fixed
It is connected on the lateral wall of pipeline 1.
Embodiment 2
A kind of natural gas conveying pipe wall drag reduction structures, including two pipelines 1 and interior anti-drag paint layer 2, pipeline 1 it is interior
Interior anti-drag paint layer 2 is scribbled in chamber, the interior anti-drag paint layer 2 is made up of the weight portion of following feed components, 40 parts of base-material,
The double-component solvent epoxy coatings layer of 17 parts of compositions of 15 parts of rust resisting pigment and curing agent.Using the chemical property of dope layer, can
To reduce the resistance of a part of gas of the generation of pipeline 1.
Blower fan 18 is mounted with the inner chamber of interior anti-drag paint layer 2, meanwhile, the blower fan 18 being provided with inside pipeline 1 is rotated, and is accelerated
The air velocity of the pipeline 1 of natural gas, insertion is connected with bulb 3 between two pipelines 1, and bulb 3 increases circulation, changes stream
Speed, eliminates gas some resistance, and the upper and lower ends of bulb 3 offer axis hole, and the interior outside of axis hole is equipped with sealing ring 12,
At least three layers of each sealing ring 12, sealing ring 12 can prevent the leakage of natural gas, rotated in axis hole and be plugged with major axis 4,
Oval ball 13 is connected between two major axis 4, oval ball 13 is hollow structure, and the lateral wall of oval ball 13 is provided with spiral
Groove 17, multiple passages 14 are opened up along the direction of helicla flute 17, passage 14 on the side wall of oval ball 13, the number of passage 14
Mesh is more than 25, and natural gas can also be passed through on the basis of flow velocity is increased by passage 14, reduces product in rotation process
Equidistantly distributed between raw resistance, and passage 14, the insertion simultaneously of oval ball 13 is connected with one end of multiple tracheaes 15, gas
The number of pipe 15 has five, and an annular spread centered on oval ball 13 of tracheae 15, and the other end of tracheae 15 is respectively connected with floating
Ball 16, ball float 16 is netted ventilation spherical shell structure, is easy to passing through for gas, and gas may pass through ball float 16, tracheae 15 and elliptical shape ball
Passage 14 on body 13, reduces the resistance produced in rotary course.
The lateral wall of bulb 3 is extended near the lower end of the major axis 4 of the lower section of oval ball 13 and the lower end of major axis 4 is connected to limit
On the block 5 of position, sealing ring 12 is socketed with two major axis 4, the upper end near the major axis 4 of the top of oval ball 13 extends to bulb
3 lateral walls and major axis 4 is connected on the first flywheel 6, the first flywheel 6 is connected by the flywheel 8 of transmission belt 7 and second, the second flywheel 8
It is connected with the rotating shaft on stepper motor 9, the lateral wall of stepper motor 9 is fixed by the upper surface of tripod 10 and connecting plate 11 and connected
Connect, stepper motor 9 and blower fan 18 are electrically connected with by between controlling switch and extraneous power supply, and the lower surface of connecting plate 11 is fixed
It is connected on the lateral wall of pipeline 1.
Operation principle：Stepper motor 9 switches on power startup, drives the rotation of the second flywheel 8, and the second flywheel 8 is by transmission
With 7 rotations for driving the first flywheel 6, the first flywheel 6 drives major axis 4 to rotate, 13 turns of the oval ball accompanied between two major axis 4
Dynamic, now, the combining structure of oval ball 13, tracheae 15 and ball float 16 is rotated in bulb 3 together, drives the stream of internal gas flow
Speed, keeps out resistance, and the geometry of the helicla flute 17 that the surface of elliptical shape ball 13 is provided with, according to fluid mechanics principle, further speeds up
Air-flow inside pipeline 1.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of natural gas conveying pipe wall drag reduction structures, including two pipelines (1) and interior anti-drag paint layer (2), the pipe
Interior anti-drag paint layer (2) is scribbled in the inner chamber in road (1), it is characterised in that：It is mounted with the inner chamber of interior anti-drag paint layer (2)
Blower fan (18), insertion is connected with bulb (3) between two pipelines (1), and the upper and lower ends of bulb (3) offer axle
Hole, is rotated in axis hole and is plugged with major axis (4), and oval ball (13), oval ball are connected between two major axis (4)
(13) it is hollow structure, the lateral wall of the oval ball (13) is provided with helicla flute (17), is opened up along helicla flute (17) direction
Multiple passages (14), on the wall of oval ball (13) side, the oval ball (13) is while insertion connects the passage (14)
One end of multiple tracheaes (15) is connected to, the other end of tracheae (15) is respectively connected with ball float (16)；
The lower end of the major axis (4) below the oval ball (13) extends to bulb (3) lateral wall, and near the ellipse
The lower end of the major axis (4) below spheroid (13) is connected on limited block (5), and sealing ring is socketed with two major axis (4)
(12), the upper end of the major axis (4) above the oval ball (13) extends to bulb (3) lateral wall, and near described ellipse
Major axis (4) above spherosome (13) is connected on the first flywheel (6), and first flywheel (6) is by transmission belt (7) and second
Flywheel (8) is connected, and the second flywheel (8) is connected with the rotating shaft on stepper motor (9), and the lateral wall of the stepper motor (9) passes through
Tripod (10) is fixedly connected with the upper surface of connecting plate (11), and the lower surface of connecting plate (11) is fixedly connected on pipeline (1)
On lateral wall.
2. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：The passage
(14) number is more than equidistantly distributed between 25, and passage (14).
3. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：The tracheae
(15) number has five, and tracheae (15) annular spread centered on oval ball (13).
4. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：Each is described close
At least three layers of seal (12).
5. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：The interior drag reduction
Dope layer (2) is made up of the weight portion of following feed components, base-material 30-40 parts, rust resisting pigment 10-15 parts and curing agent 12-
17 parts of double-component solvent epoxy coatings layers of composition.
6. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：The ball float
(16) it is netted ventilation spherical shell structure.
7. a kind of natural gas conveying pipe wall drag reduction structures according to claim 1, it is characterised in that：The axis hole
Interior outside is equipped with sealing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095835.3A CN106763010A (en) | 2017-02-22 | 2017-02-22 | A kind of natural gas conveying pipe wall drag reduction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095835.3A CN106763010A (en) | 2017-02-22 | 2017-02-22 | A kind of natural gas conveying pipe wall drag reduction structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763010A true CN106763010A (en) | 2017-05-31 |
Family
ID=58957708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710095835.3A Pending CN106763010A (en) | 2017-02-22 | 2017-02-22 | A kind of natural gas conveying pipe wall drag reduction structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763010A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140108A (en) * | 2018-10-29 | 2019-01-04 | 上海应用技术大学 | A kind of damping device and liquid conveying pipe of liquid conveying pipe |
| CN109682549A (en) * | 2019-03-01 | 2019-04-26 | 冀凯河北机电科技有限公司 | A kind of novel air pipe can be reduced pressure drop |
| CN113124023A (en) * | 2021-05-17 | 2021-07-16 | 中国石油大学(华东) | Pipeline physical resistance reduction method, device and system based on fluid flow stability |
-
2017
- 2017-02-22 CN CN201710095835.3A patent/CN106763010A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140108A (en) * | 2018-10-29 | 2019-01-04 | 上海应用技术大学 | A kind of damping device and liquid conveying pipe of liquid conveying pipe |
| CN109682549A (en) * | 2019-03-01 | 2019-04-26 | 冀凯河北机电科技有限公司 | A kind of novel air pipe can be reduced pressure drop |
| CN109682549B (en) * | 2019-03-01 | 2023-09-08 | 冀凯河北机电科技有限公司 | Novel trachea capable of reducing pressure drop |
| CN113124023A (en) * | 2021-05-17 | 2021-07-16 | 中国石油大学(华东) | Pipeline physical resistance reduction method, device and system based on fluid flow stability |
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Application publication date: 20170531 |