CN107413085A - A kind of online desanding device of oil-gas pipeline - Google Patents
A kind of online desanding device of oil-gas pipeline Download PDFInfo
- Publication number
- CN107413085A CN107413085A CN201610345753.5A CN201610345753A CN107413085A CN 107413085 A CN107413085 A CN 107413085A CN 201610345753 A CN201610345753 A CN 201610345753A CN 107413085 A CN107413085 A CN 107413085A
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- section
- spiral
- sand
- oil
- desanding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/265—Separation of sediment aided by centrifugal force or centripetal force by using a vortex inducer or vortex guide, e.g. coil
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention discloses a kind of online desanding device of oil-gas pipeline of petrochemical industry, mainly includes spiral separation section, eddy flow sub-sand section, flowing recover section and sand storage chamber, it is characterised in that：The spiral separation section includes spiral inlet end face, axial symmetry double spiral tube and spiral outlet；The eddy flow sub-sand section is located at spiral separation section downstream, the spiral outlet insertion eddy flow sub-sand section of spiral separation section；Sand discharge hole is provided with below eddy flow sub-sand section, sand storage chamber is installed on the lower section in sand discharge hole；Flowing recover section is located at the least significant end of desanding device.Using a kind of online desanding device of oil-gas pipeline of the present invention, the mode being combined by using spiral separation with cyclonic separation, separate mode is efficient, and separative efficiency is high, is suitable for oil transportation, gas transmission or multiphase transportation pipeline；Inside configuration does not use any filter element, can permanently release the puzzlement blocked inside desander；Mounting means is identical with common valve, can horizontally or vertically install in direction, be not take up exceptional space, it is not necessary to auxiliary equipment.
Description
Technical field
The invention belongs to petrochemical industry, and in particular to a kind of online desanding dress of oil-gas pipeline
Put.
Background technology
During oil-gas mining, inevitable that the carrying of the solid impurity such as silt particle, especially
It is with this phenomenon getting worse of the application of the new technologies such as hydraulic fracturing, polymer displacement of reservoir oil.Gu
The presence of body impurity can cause to the normal operating of the oil vapor treatment facility such as three phase separator in downstream
Harmful effect, strong wear, power facility pump and compression are caused to the interior anticorrosive coat of inner-walls of duct
The normal operation of machine is extremely sensitive to solid impurity, and efficient solid-liquid, gas solid separation facility have
Significance.
Carrying out the Main Means of solid impurity separation at present includes natural subsidence and cyclonic separation, its
Time-consuming for the separation of middle natural subsidence, and settling tank floor space is big, cyclonic separation mainly by means of from
Mental and physical efforts field carries out the separation of solid impurity, and floor space is small, is developed according to the difference of application scenario
Go out a variety of structure types, respectively there is quality.
The existing precedent of relevant apparatus of desanding, Chinese patent are carried out using helical structure
CN96118733.6 discloses a kind of sand controller for crude oil well end；Chinese patent CN
201410815080.6 disclose a kind of spiral desander；Desander disclosed in the two patents
Although the eddy flow field of helix tube is make use of to the separating capacity of solid impurity, the apparatus structure mistake
In coarse, form is not reasonable, and installation is excessively complicated.Especially used in the section that separates of sand
The form of perforate on helix tube, the open amount of mode this first are very restricted, its
Separation of the secondary position of opening to sand equally has a great impact, and its separating effect seriously leaves a question open.
The content of the invention
It is an object of the invention to provide a kind of online desanding device of oil-gas pipeline, the device can be straight
Connect on oil-gas pipeline, while solid impurity in efficiently separating out oil gas, do not change
The proper flow of fluids within pipes, so as to avoid desanding device rustic in the prior art, shape
Formula is not reasonable, and installation is complicated, the technical problem of inferior separating effect.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of online desanding device of oil-gas pipeline, mainly include spiral separation section, eddy flow sub-sand section,
Flow recover section and sand storage chamber, it is characterised in that：The spiral separation section includes spiral inlet
End face, axial symmetry double spiral tube and spiral outlet；The eddy flow sub-sand section is located at spiral separation
Section downstream, the spiral outlet insertion eddy flow sub-sand section of spiral separation section；Below eddy flow sub-sand section
Sand discharge hole is provided with, sand storage chamber is installed on the lower section in sand discharge hole；Flowing recover section is located at desanding dress
The least significant end put.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：It is described
Line desanding device is cylindrical barrel body structure, consistent with the caliber of installed position.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：The spiral shell
Rotation segregation section is axial symmetry double spiral tube structure, and double spiral tube entrance is using concordant section and makes spiral shell
Coil entrance flow section maximizes；Double spiral tube outlet nature extend into eddy flow sub-sand section about
1/4~1/3 circle.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：It is described double
Helix tube spiral angle is chosen for 5 °~10 °, and the spiral angle of double spiral tube should not only avoid
Double spiral tube caused by too small collides, and the length that should also be avoided ambassador's spiral separation section is long.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：It is described double
Helix tube spiral number of turns are 6~10 circles, and the selection principle of spiral number of turns exists for guarantee solid impurity
There are enough flowing times in double spiral tube；The determination of spiral caliber and the selection of spiral number of turns should
Consider.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：Described
The end of flowing recover section is provided with spin-ended floor；The spin-ended floor is evenly distributed, spin-ended rib
Plate can promote the flow direction of fluid completely into axial configuration, and spin-ended floor accounts for flowing and recovered
The 1/2~1/3 of segment length.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：Described
Spoiler is provided with sand storage chamber, the spoiler is evenly distributed along desanding device cylindrical barrel body,
Preventing the flow field of sand storage chamber bottom is influenceed by eddy flow field and internal vortex occurs so as to influence sand
Deposition；Sand storage chamber's bottom plate uses design for disassembly, heavy inside periodic cleaning sand storage chamber to facilitate
Product sand.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：The rotation
Flow point sand section is using the tapered configuration of tendency outer wall, and scaling angle is between 3 °~5 °.Scaling
Angle should maintain reduced levels to reduce the excessive shear of convection body；The eddy flow field gradually strengthened
To promote solid impurity to separate effect from fluid；It is provided with largely in the bottom of eddy flow sub-sand section
Evenly distributed sand discharge circular hole, the solid impurity of eddy flow to wall enter sand storage chamber through this passage.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：The stream
Dynamic recover section uses the flowing space of flaring, the structure of flaring just the opposite with eddy flow sub-sand section
Gradually to weaken the intensity of eddy flow field；Flaring angle is between 10 °~15 ° so that eddy flow
Intensity decreases amplitude should not be excessive.
A kind of online desanding device of oil-gas pipeline of the present invention, it is further characterized by：The storage
Sand room is mainly used in the storage of solid impurity, is a flow dead in actual moving process.Storage
Sand room top is brought into close contact supervisor's pipeline outer wall, and bottom is square structure.
A kind of online desanding device of oil-gas pipeline of the present invention, by using spiral separation and eddy flow point
From the mode being combined, separate mode is efficient, and separative efficiency is high, be suitable for oil transportation, gas transmission or
Multiphase transportation pipeline；Inside configuration does not use any filter element, can permanently release desanding
The puzzlement blocked inside device；Mounting means is identical with common valve, can horizontally or vertically direction
Installation, is not take up exceptional space, it is not necessary to auxiliary equipment.
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but
It is not intended to limit the use range of the present invention.
Brief description of the drawings
Fig. 1 is a kind of online desanding device side sectional view of oil-gas pipeline of the present invention；
Fig. 2 is a kind of online desanding device sectional top plan view of oil-gas pipeline of the present invention；
Fig. 3 is a kind of online desanding device double-spiral structure view of oil-gas pipeline of the present invention；
Fig. 4 is a kind of online desanding device spiral inlet end face partial view of oil-gas pipeline of the present invention；
Fig. 5 is a kind of online desanding device spiral outlet partial view of oil-gas pipeline of the present invention.
Fig. 6 is a kind of online desanding device external view of oil-gas pipeline of the present invention.
Reference is shown in figure：1- spiral separation sections, 2- eddy flow sub-sand sections, 3- flowings are extensive
Multiple section, 4- sand storage chamber, 5- spiral inlets end face, 6- spiral outlets, 7- sand discharge circular holes, 8- stop
Revolve floor, 9- spoilers, 10- double spiral tubes.
Embodiment
A kind of online desanding device of oil-gas pipeline of the present invention is described further below in conjunction with the accompanying drawings：
As shown in accompanying drawing 1 to accompanying drawing 4, a kind of online desanding device of oil-gas pipeline of the present invention includes
Spiral separation section 1, eddy flow sub-sand section 2, flowing recover section 3 and sand storage chamber 4.
The main body of spiral separation section 1 is axial symmetry double spiral tube structure, and spiral inlet end face 5 uses
Concordant section and maximize solenoid inlet flow section, its detailed construction is as shown in Figure 5；
The spiral angle of double spiral tube 10 is chosen for 5 °~10 °, and the spiral angle of double spiral tube 10 is not
But should avoid it is too small caused by double spiral tube collision to should also be avoided ambassador's spiral separation section
Length is long；Spiral number of turns are 3~5 circles, and the selection principle of spiral number of turns is guarantee solid impurity
There are enough flowing times in double spiral tube；The determination of spiral caliber and the selection of spiral number of turns
It should consider；As shown in Figure 6, spiral outlet 6 extend into eddy flow to spiral outlet 6 naturally
Sub-sand section 2 about 1/4 is enclosed.
The flowing space of eddy flow sub-sand section 2 is scaled angle and existed using the tapered configuration of tendency outer wall
Between 3 °~5 °, prevented wide-angle from causing the excessive shear of strong eddy flow field convection body, by
The eddy flow field gradually strengthened promotes the solid impurity to separate effect from fluid；In eddy flow sub-sand section 2
Bottom be provided with a large amount of evenly distributed sand discharge circular holes 7, sediment outflow circular hole 7 accounts for about 180 ° of angle models
Enclose, using multiple rows of design and keep enough arranging densities, the solid impurity warp of eddy flow to wall
This passage enters sand storage chamber 4.
It is just the opposite to flow the flowing space and the eddy flow sub-sand section 2 of the flaring of recover section 3, flaring angle
Degree causes swirl strength reduces amplitude should not be excessive between 10 °~15 °, and the structure of flaring is used
Gradually to weaken the intensity of eddy flow field；Stop in the tail end of flowing recover section 3 added with evenly distributed
Floor 8 is revolved, promotes the flow direction of fluid to account for flowing completely into axial configuration, spin-ended floor 8
The 1/2~1/3 of the length of recover section 3.
Sand storage chamber 4 is mainly used in the storage of solid impurity, is a stream in actual moving process
Dynamic dead band.Using the spoiler 9 uniformly arranged inside sand storage chamber 4, the bottom of sand storage chamber 4 is prevented
Flow field influenceed by the flowing eddy flow field of recover section 3 and internal vortex occur so as to influence the heavy of sand
Product；The bottom plate of sand storage chamber 4 uses design for disassembly, to facilitate inside periodic cleaning sand storage chamber 4
Settling sand.
A kind of course of work of the online desanding device of oil-gas pipeline of the present invention is：First with spiral
The double spiral tube of segregation section 1 causes the eddy flow field in helix tube, makes solid impurity to outside helix tube
Wall is migrated；Fluid enters the progress secondary separation of eddy flow sub-sand section 2 afterwards, migrates to wall
Solid impurity enters sand storage chamber 4 through sediment outflow circular hole；Separate the fluid after solid impurity and enter flow field
Recover section 3 recovers normal axle and flows to downstream movement；The solid impurity of sand storage chamber 4 is periodically carried out
Cleaning.
Claims (10)
1. a kind of online desanding device of oil-gas pipeline, mainly include spiral separation section, eddy flow sub-sand section, stream
Dynamic recover section and sand storage chamber, it is characterised in that：The spiral separation section includes spiral inlet end face,
Axial symmetry double spiral tube and spiral outlet；The eddy flow sub-sand section is located at spiral separation section downstream,
The spiral outlet insertion eddy flow sub-sand section of spiral separation section；Sand discharge is provided with below eddy flow sub-sand section
Hole, sand storage chamber are installed on the lower section in sand discharge hole；Flowing recover section is located at the least significant end of desanding device.
2. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：It is described
Line desanding device is cylindrical barrel body structure.
3. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：The spiral shell
Rotation segregation section is axial symmetry double spiral tube structure.
4. the online desanding device of oil-gas pipeline according to claim 3, it is characterised in that：It is described double
Solenoid inlet is using concordant section and maximizes solenoid inlet flow section；Double spiral tube goes out
Mouth extend into the circle of eddy flow sub-sand section about 1/4~1/3 naturally.
5. the online desanding device of oil-gas pipeline according to claim 3, it is characterised in that：It is described double
Helix tube spiral angle is chosen for 5 °~10 °, and the double spiral tube spiral number of turns are 6~10
Circle.
6. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：Described
The end of flowing recover section is provided with spin-ended floor.
7. the online desanding device of oil-gas pipeline according to claim 6, it is characterised in that：It is described to stop
Rotation floor is evenly distributed, and spin-ended floor accounts for 1/2~1/3 that flowing recovers segment length.
8. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：Described
Spoiler is provided with sand storage chamber, the spoiler is evenly distributed along desanding device cylindrical barrel body.
9. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：The rotation
Flow point sand section is using the tapered configuration of tendency outer wall, and scaling angle is between 3 °~5 °.
10. the online desanding device of oil-gas pipeline according to claim 1, it is characterised in that：It is described
The flowing space that recover section uses flaring is flowed, the structure of flaring is to the strong of gradually weakening eddy flow field
Degree；Flaring angle is between 10 °~15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345753.5A CN107413085A (en) | 2016-05-23 | 2016-05-23 | A kind of online desanding device of oil-gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345753.5A CN107413085A (en) | 2016-05-23 | 2016-05-23 | A kind of online desanding device of oil-gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107413085A true CN107413085A (en) | 2017-12-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345753.5A Pending CN107413085A (en) | 2016-05-23 | 2016-05-23 | A kind of online desanding device of oil-gas pipeline |
Country Status (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173361A (en) * | 2018-10-31 | 2019-01-11 | 甘肃省治沙研究所 | A kind of silt rapid precipitation Water-sand separator |
| CN110735625A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | online desanding device for oil and gas pipeline without stopping transmission |
| CN110735626A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | pipeline type natural gas sand removing device |
| CN110735628A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type sand removing device |
| CN110735627A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | On-line sand remover for oil-gas pipeline without stopping transmission |
| CN110735624A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type desander |
| CN113024082A (en) * | 2021-04-12 | 2021-06-25 | 华东理工大学 | Down-flow cyclone elution complete equipment and elution method for petroleum hydrocarbon-containing sediment |
| CN113018921A (en) * | 2021-02-26 | 2021-06-25 | 兰州理工大学 | Strong rotational flow forming device in limited fall |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735625A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | online desanding device for oil and gas pipeline without stopping transmission |
| CN110735626A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | pipeline type natural gas sand removing device |
| CN110735628A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type sand removing device |
| CN110735627A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | On-line sand remover for oil-gas pipeline without stopping transmission |
| CN110735624A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type desander |
| CN110735624B (en) * | 2018-07-19 | 2021-10-08 | 中石化广州工程有限公司 | Full latus rectum pipeline formula desander |
| CN109173361A (en) * | 2018-10-31 | 2019-01-11 | 甘肃省治沙研究所 | A kind of silt rapid precipitation Water-sand separator |
| CN109173361B (en) * | 2018-10-31 | 2023-12-26 | 甘肃省治沙研究所 | Sediment rapid precipitation water-sediment separator |
| CN113018921A (en) * | 2021-02-26 | 2021-06-25 | 兰州理工大学 | Strong rotational flow forming device in limited fall |
| CN113018921B (en) * | 2021-02-26 | 2022-06-03 | 兰州理工大学 | Strong rotational flow forming device in limited fall |
| CN113024082A (en) * | 2021-04-12 | 2021-06-25 | 华东理工大学 | Down-flow cyclone elution complete equipment and elution method for petroleum hydrocarbon-containing sediment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |