CN108518542A - A kind of petroleum transportation pipeline connecting flange - Google Patents
A kind of petroleum transportation pipeline connecting flange Download PDFInfo
- Publication number
- CN108518542A CN108518542A CN201810633593.3A CN201810633593A CN108518542A CN 108518542 A CN108518542 A CN 108518542A CN 201810633593 A CN201810633593 A CN 201810633593A CN 108518542 A CN108518542 A CN 108518542A
- Authority
- CN
- China
- Prior art keywords
- sand grains
- flange body
- flange
- sleeve
- toroidal cavity
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention belongs to petroleum pipeline technical field of transportation, specifically a kind of petroleum transportation pipeline connecting flange, including flange body, flange body is coaxially arranged with multiple sections as semicircular toroidal cavity on the end face to contact with each other, is both provided with multiple cone tanks on the end face of flange body between toroidal cavity and between toroidal cavity and flange body endoporus and realizes unicom；Flange body is provided with mud hole in axis direction, and mud hole is used for the sand grains discharge line after cone tank is ground；Flange body is provided with annular seal ring recess on the end face to contact with each other, and sealing ring one is arranged in seal groove；Flange body is provided with mounting hole on the outside of seal groove, mounting hole realize the bolt between two flange bodies connection.After the present invention can carry out the sand grains in pipeline multistage grinding, it is discharged from mud hole, reduces the quantity of sand grains in pipeline, reduce abrasion of the sand grains to inner wall of the pipe, improve service life and the safety of pipeline.
Description
Technical field
The invention belongs to petroleum pipeline technical field of transportation, specifically a kind of petroleum transportation pipeline connecting flange.
Background technology
Oil is the buried fluid mineral in underground, during exploiting oil, oil gas from reservoir access wall bottom, and from
Shaft bottom rises to the type of drive of well head.Effect oil of the oil in national economy is important energy source, with coal facies ratio, has energy
The advantages that metric density is big, shipping storage is convenient, smaller to the pollution level of air after burning.The composition of energy-consuming in the world
In, oil leaps to the first more than coal.
Oil needs the transport of pipeline in recovery process, due to containing various impurity in oil, is easy to tie
Dirt.So that pipeline necking down, circulation area is become smaller after pipeline scale, causes stress loss, discharge capacity reduction and line clogging, meanwhile,
Under low temperature environment, the viscosity of oil increases, and circulation is deteriorated, and easily causes blocking, has seriously affected production efficiency.
Flange is the part being connected with each other between pipe and pipe, for the connection between pipe end.Perforation on flange, profit
Two flanges are made closely to connect with bolt, with liner sealing between flange.Flange includes screwed flange and welded flange.Flange is suitable for
Fire-fighting, coal gas, hot and cold water, air-pressure tube, oil pipe, the sealed connection of the industry and commercial tubes such as hydraulic tube.Due to oil sand grains compared with
It is more, if cleared up not in time, it is not only be easy to cause the blocking of pipeline, simultaneously because the oil kinetic energy transported in the duct is larger,
Sand grains in movement carries out violent friction to inner wall of the pipe contact, causes the abrasion of inner wall of the pipe, if things go on like this, makes pipeline
Voltage endurance capability weaken, the service life brought security risk, reduce pipeline.
Invention content
In order to make up for the deficiencies of the prior art, a kind of petroleum transportation pipeline connecting flange proposed by the present invention, the present invention are logical
It crosses and toroidal cavity and cone tank is set on the end face that flange is in contact, big sand grains in oil in pipeline is trapped in cone tank
It is interior, while realizing mutually grinding using the movement between big sand grains and grit, so that sand grains diameter is reduced, the grinding of sand grains multistage
Afterwards, it is discharged from mud hole, reduces the quantity of sand grains in pipeline, reduce abrasion of the sand grains to inner wall of the pipe, improve pipeline
Service life and safety.
The technical solution adopted by the present invention to solve the technical problems is：A kind of petroleum transportation pipeline of the present invention connects
Acting flange, including flange body, the flange body are co-axially mounted by inside and outside annulus and are formed, and flange body is at the end to contact with each other
It is semicircular toroidal cavity that multiple sections are coaxially arranged on face, between toroidal cavity and toroidal cavity and flange
Multiple cone tanks being both provided on the end face of flange body between ontology endoporus and realizing unicom, the heavy caliber position of cone tank is leaned on
The center of nearly flange body, and the size of cone tank reduces step by step along flange body radial direction, cone tank is for making in oil
Major diameter sand grains be stuck in because of pressure difference in cone tank, the minor diameter sand grains in oil can be to big due to being kept in motion
Diameter sand grains is ground, and the size of major diameter sand grains is made to reduce, and after the size of major diameter sand grains reduces, sand grains is along taper
Slot enters toroidal cavity, carries out next stage grinding；The flange body is provided with mud hole, deslagging hole number in axis direction
To be multiple, mud hole is located at the outside of toroidal cavity, and mud hole is communicated with outermost toroidal cavity, and mud hole is used for will
Sand grains discharge line after cone tank is ground；The flange body is provided with annular seal circle on the end face to contact with each other
Slot, seal groove are located at the outside of mud hole, sealing ring one are arranged in seal groove, sealing ring one is for realizing two flange bodies
Between sealing；The flange body is provided with mounting hole on the outside of seal groove, and mounting hole is realized between two flange bodies
Bolt connection.
The cone tank inner wall of the flange body is provided with unworn liner, the material of unworn liner using ceramics, chromium carbide,
The presence of one kind in potassium steel, tungsten carbide, unworn liner can avoid flange body in the excessive wear of taper groove location, carry
The high service life of flange body.
The unworn liner surface is radially provided with strip projected parts, when the major diameter sand grains in oil because of pressure
When difference blocks unworn liner, the minor diameter sand grains in oil can be flowed out from the gap between the strip projected parts of unworn liner, from
And minor diameter sand grains can be ground the whole surface of major diameter sand grains during outflow, to reduce major diameter sand
The size of grain, makes the size of major diameter sand grains constantly reduce.
Sleeve is provided in the mud hole, the material of sleeve is using one kind in chromium carbide, potassium steel, tungsten carbide；Institute
It states sleeve to be mounted in mud hole using interference fit, through-hole is offered on sleeve, sleeve passes through through-hole and adjacent circular ring shape
Groove communicates, and sleeve is provided with one section of internal thread in one end close to the non-contact face of flange body, and plug is provided in sleeve；Institute
It states and realizes that connection, plug are provided with sealing ring two in one end in sleeve by screw thread between plug and sleeve；It is described close
Two quantity of seal is closure multiple, that sealing ring two is used to that plug to be coordinated to realize sleeve.When multistage grinding of the sand grains through cone tank
Into after outermost toroidal cavity, tiny sand grains remains in the sleeve of mud hole, when the sand grains in sleeve is run up to
When certain amount, plug is unscrewed, sand grains is discharged.
The flange body is provided with guide groove in the both sides of mounting hole；Guide rod is set in the guide groove, and guide rod passes through spring
In guide groove, guide rod is oriented to and positions for realizing being realized during two flange bodies connect, while can balance
The torsion that flange body is subject in use.
Beneficial effects of the present invention are as follows：
1. a kind of petroleum transportation pipeline connecting flange of the present invention, the present invention is utilized to be justified by being arranged in end face of flange
Annular groove and cone tank make mutually to grind between major diameter sand grains and minor diameter sand grains, and the diameter of sand grains is reduced, and from row
Cinder hole is discharged, and reduces abrasion of the sand grains to inner wall of the pipe, improves service life and the safety of pipeline, ensure that the energy is transported
Defeated efficiency.
2. a kind of petroleum transportation pipeline connecting flange of the present invention, the present invention in the cone tank of flange by being arranged
Unworn liner and strip projected parts alleviate abrasion of the sand grains to flange, avoid flanged joint and go out to reveal, while sand grains is stifled
The effect that sealing can be firmly played when cone tank, improves the reliability of flanged joint.
3. a kind of petroleum transportation pipeline connecting flange of the present invention, flange of the present invention is in the both sides of mounting hole
Offer guide groove, be provided with guide rod in guide groove, guide rod can either play the role of being oriented in two flanged joints and in, conveniently
Connection, at the same the presence of guide rod can the torsion that is subject in use of balance flange ontology, avoid flange from deforming, carry
The high service life of flange.
Description of the drawings
Fig. 1 is the sectional view that two flange bodies of the invention realize connection by bolt；
Fig. 2 is the schematic diagram of flange body contact face；
Fig. 3 is the schematic diagram that strip projected parts of the present invention are mounted on unworn liner；
In figure：Flange body 1, toroidal cavity 11, cone tank 12, mud hole 13, seal groove 14, sealing ring 1, peace
Fill hole 15, unworn liner 3, strip projected parts 4, sleeve 5, plug 6, guide groove 16, sealing ring 27, guide rod 8.
Specific implementation mode
The structure of the petroleum transportation pipeline connecting flange of an embodiment of the present invention is said as follows using Fig. 1-Fig. 3
It is bright.
As depicted in figs. 1 and 2, a kind of petroleum transportation pipeline connecting flange of the present invention, including flange body 1, institute
It states flange body 1 and is co-axially mounted by inside and outside annulus and formed, flange body 1 is coaxially arranged with multiple sections on the end face to contact with each other
Face is semicircular toroidal cavity 11, between toroidal cavity 11 and between 1 endoporus of toroidal cavity 11 and flange body
It is both provided with multiple cone tanks 12 on the end face of flange body 1 and realizes that unicom, the heavy caliber of cone tank 12 are located proximate to flange
The center of ontology 1, and the size of cone tank 12 reduces step by step along 1 radial direction of flange body, cone tank 12 is for making in oil
Major diameter sand grains be stuck in because of pressure difference in cone tank 12, the minor diameter sand grains in oil can be right due to being kept in motion
Major diameter sand grains is ground, and the size of major diameter sand grains is made to reduce, and after the size of major diameter sand grains reduces, sand grains is along cone
Shape slot 12 enters toroidal cavity 11, carries out next stage grinding；The flange body 1 is provided with mud hole 13 in axis direction,
13 quantity of mud hole is multiple, and mud hole 13 is located at the outside of toroidal cavity 11, and mud hole 13 and outermost circular ring shape are recessed
Slot 11 communicates, and mud hole 13 is used for the sand grains discharge line after the grinding of cone tank 12；The flange body 1 is contacting with each other
End face on be provided with annular seal ring recess 14, seal groove 14 is located at the outside of mud hole 13, setting in seal groove 14
Sealing ring 1, sealing ring 1 is for realizing the sealing between two flange bodies 1；The flange body 1 is in seal groove 14
Outside is provided with mounting hole 15, mounting hole 15 realize the bolt between two flange bodies 1 connection.
As shown in Figure 1,12 inner wall of cone tank of the flange body 1 is provided with unworn liner 3, the material of unworn liner 3
Using one kind in ceramics, chromium carbide, potassium steel, tungsten carbide, the presence of unworn liner 3 can avoid flange body 1 in taper
The excessive wear of 12 position of slot, improves the service life of flange body 1.
As shown in figure 3,3 surface of the unworn liner is radially provided with strip projected parts 4, when the major diameter in oil
Sand grains because of pressure difference when blocking unworn liner 3, minor diameter sand grains in oil can from the strip projected parts 4 of unworn liner 3 it
Between gap outflow, the whole surface of major diameter sand grains can be ground during outflow to minor diameter sand grains,
To reduce the size of major diameter sand grains, the size of major diameter sand grains is made constantly to reduce.
As shown in Figure 1, being provided with sleeve 5 in the mud hole 13, the material of sleeve 5 is using chromium carbide, potassium steel, carbonization
One kind in tungsten；The sleeve 5 is mounted on using interference fit in mud hole 13, through-hole is offered on sleeve 5, sleeve 5 passes through
Through-hole is communicated with adjacent toroidal cavity 11, and sleeve 5 is provided with spiral shell in one section in one end close to 1 non-contact face of flange body
Line is provided with plug 6 in sleeve 5；It is realized and is connected by screw thread between the plug 6 and sleeve 5, plug 6 is in sleeve 5
One end be provided with sealing ring 27；27 quantity of the sealing ring is multiple, and sealing ring 27 is for coordinating plug 6 to realize sleeve 5
Closure.When sand grains is after the multistage grinding of cone tank 12 enters outermost toroidal cavity 11, tiny sand grains remains in
In the sleeve 5 of mud hole 13, when the sand grains in sleeve 5 runs up to certain amount, plug 6 is unscrewed, sand grains is discharged.
As shown in Figure 1, the flange body 1 is provided with guide groove 16 in the both sides of mounting hole 15；Setting in the guide groove 16
Guide rod 8, guide rod 8 are mounted on by spring in guide groove 16, and guide rod 8 is realized for realizing during two flange bodies 1 connect
It is oriented to and positioning, while being capable of the torsion that is subject in use of balance flange ontology 1.
For crude oil during through pipeline transportation, the major diameter sand grains in oil can be stuck in cone tank 12 because of pressure difference
Interior, the minor diameter sand grains in oil can be ground major diameter sand grains due to being kept in motion, and make major diameter sand grains
Size reduces, and after the size of major diameter sand grains reduces, sand grains can enter toroidal cavity 11 along cone tank 12, then next
It is ground in grade cone tank 12；When sand grains is after the multistage grinding of cone tank 12 enters outermost toroidal cavity 11, carefully
Small sand grains remains in the sleeve 5 of mud hole 13, when the sand grains in sleeve 5 runs up to certain amount, unscrews plug 6, will
Sand grains is discharged, to reduce abrasion of the crude oil sand grains to pipeline.Improve the service life of pipeline.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
It can be made various changes in the range of disengaging present subject matter.
(A) in the above-described embodiment, toroidal cavity and cone tank are only provided with two layers in flange body, but are not limited to
This, toroidal cavity and cone tank can be spaced setting multilayer.
(B) in the above-described embodiment, the cone tank axial location of different levels is corresponding in flange body, but is not limited to
This, the position between the cone tank of different levels can mutually stagger.
(C) in the above-described embodiment, the side of mounting hole is provided with two guide rods, but not limited to this, the quantity of guide rod can
Think multiple.
Industrial applicibility
According to the present invention, blocking and the inner wall abrasion of pipeline can be preferably avoided using flange in petroleum pipeline transport
The case where, to which this flange is useful in petroleum pipeline transport field.
Claims (5)
1. a kind of petroleum transportation pipeline connecting flange, including flange body (1), it is characterised in that：The flange body (1) is by interior
Outer toroid is co-axially mounted composition, and it is semicircular that flange body (1) is coaxially arranged with multiple sections on the end face to contact with each other
Toroidal cavity (11), in method between toroidal cavity (11) and between toroidal cavity (11) and flange body (1) endoporus
It is both provided with multiple cone tanks (12) on the end face of blue ontology (1) and realizes that unicom, the heavy caliber of cone tank (12) are located proximate to method
The center of blue ontology (1), and the size of cone tank (12) reduces step by step along flange body (1) radial direction, cone tank (12) is used
In making the major diameter sand grains in oil be stuck in cone tank (12) because of pressure difference, the minor diameter sand grains in oil is due to being in fortune
Dynamic state can be ground major diameter sand grains, and the size of major diameter sand grains is made to reduce, when the size of major diameter sand grains reduces
Afterwards, sand grains enters toroidal cavity (11) along cone tank (12), carries out next stage grinding；The flange body (1) is in axis
Direction is provided with mud hole (13), and mud hole (13) quantity is multiple, and mud hole (13) is located at the outside of toroidal cavity (11),
Mud hole (13) is communicated with outermost toroidal cavity (11), and mud hole (13) is used for the sand after cone tank (12) grinding
Grain discharge line；The flange body (1) is provided with annular seal ring recess (14), seal groove on the end face to contact with each other
(14) it is located at the outside of mud hole (13), sealing ring one (2) is set in seal groove (14), sealing ring one (2) is for realizing two
Sealing between flange body (1)；The flange body (1) is provided with mounting hole (15) on the outside of seal groove (14), peace
Fill that the bolt between hole (15) two flange bodies of realization (1) connects.
2. a kind of petroleum transportation pipeline connecting flange according to claim 1, it is characterised in that：The flange body (1)
Cone tank (12) inner wall be provided with unworn liner (3), the material of unworn liner (3) is using ceramics, chromium carbide, potassium steel, carbon
Change one kind in tungsten.
3. a kind of petroleum transportation pipeline connecting flange according to claim 2, it is characterised in that：The unworn liner (3)
Surface is radially provided with strip projected parts (4), when the major diameter sand grains in oil because pressure difference blocks unworn liner (3)
When, the minor diameter sand grains in oil can be flowed out from the gap between the strip projected parts (4) of unworn liner (3), to minor diameter
Sand grains can be ground the whole surface of major diameter sand grains during outflow, to reduce the ruler of major diameter sand grains
It is very little, so that the size of major diameter sand grains is constantly reduced.
4. a kind of petroleum transportation pipeline connecting flange according to claim 1, it is characterised in that：In the mud hole (13)
It is provided with sleeve (5), the material of sleeve (5) is using one kind in chromium carbide, potassium steel, tungsten carbide；The sleeve (5) used
It is full of and is fitted in mud hole (13), through-hole is offered on sleeve (5), sleeve (5) is recessed by through-hole and adjacent circular ring shape
Slot (11) communicates, and sleeve (5) is provided with one section of internal thread in one end close to flange body (1) non-contact face, is set in sleeve (5)
It is equipped with plug (6)；It is realized and is connected by screw thread between the plug (6) and sleeve (5), plug (6) is in sleeve (5)
One end is provided with sealing ring two (7)；The sealing ring two (7) quantity is multiple, and sealing ring two (7) is for coordinating plug (6) real
The closure of existing sleeve (5).
5. a kind of petroleum transportation pipeline connecting flange according to claim 1, it is characterised in that：The flange body (1)
The both sides of mounting hole (15) are provided with guide groove (16)；Setting guide rod (8), guide rod (8) are pacified by spring in the guide groove (16)
In guide groove (16), guide rod (8) is oriented to and positions for realizing being realized during two flange bodies (1) connects, simultaneously
It being capable of the torsion that is subject in use of balance flange ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633593.3A CN108518542A (en) | 2018-06-20 | 2018-06-20 | A kind of petroleum transportation pipeline connecting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633593.3A CN108518542A (en) | 2018-06-20 | 2018-06-20 | A kind of petroleum transportation pipeline connecting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518542A true CN108518542A (en) | 2018-09-11 |
Family
ID=63428388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810633593.3A Withdrawn CN108518542A (en) | 2018-06-20 | 2018-06-20 | A kind of petroleum transportation pipeline connecting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518542A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186539A (en) * | 2019-06-24 | 2019-08-30 | 中国石油大学(北京) | The centering bindiny mechanism of flowmeter detection mounting flange |
| CN112049998A (en) * | 2020-09-27 | 2020-12-08 | 张家港华日法兰有限公司 | Structure of flange with high sealing performance and antirust function and machining method thereof |
| CN114599908A (en) * | 2019-09-25 | 2022-06-07 | 戈拉特有限公司 | Method for manufacturing a pipe assembly and pipe assembly |
| JP7414322B1 (en) | 2022-10-21 | 2024-01-16 | 東海鋼管株式会社 | Joint structure of flanged fluid pipe |
-
2018
- 2018-06-20 CN CN201810633593.3A patent/CN108518542A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186539A (en) * | 2019-06-24 | 2019-08-30 | 中国石油大学(北京) | The centering bindiny mechanism of flowmeter detection mounting flange |
| CN110186539B (en) * | 2019-06-24 | 2020-10-27 | 中国石油大学(北京) | Centering connecting mechanism of flange for detecting and installing flowmeter |
| CN114599908A (en) * | 2019-09-25 | 2022-06-07 | 戈拉特有限公司 | Method for manufacturing a pipe assembly and pipe assembly |
| CN112049998A (en) * | 2020-09-27 | 2020-12-08 | 张家港华日法兰有限公司 | Structure of flange with high sealing performance and antirust function and machining method thereof |
| CN112049998B (en) * | 2020-09-27 | 2024-06-07 | 张家港华日法兰有限公司 | Flange structure with high sealing performance and rust prevention function and processing method thereof |
| JP7414322B1 (en) | 2022-10-21 | 2024-01-16 | 東海鋼管株式会社 | Joint structure of flanged fluid pipe |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180911 |
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| WW01 | Invention patent application withdrawn after publication |