CN108815927A - A kind of multifunctional wide flow high efficiency gas-liquid separation device that gravity is combined with centrifugation technique - Google Patents
A kind of multifunctional wide flow high efficiency gas-liquid separation device that gravity is combined with centrifugation technique Download PDFInfo
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- CN108815927A CN108815927A CN201810598118.7A CN201810598118A CN108815927A CN 108815927 A CN108815927 A CN 108815927A CN 201810598118 A CN201810598118 A CN 201810598118A CN 108815927 A CN108815927 A CN 108815927A
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- casing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
Abstract
The purpose of the present invention is to provide the multifunctional wide flow high efficiency gas-liquid separation devices that a kind of gravity is combined with centrifugation technique, including casing, core pipe, the arrival end of core pipe is located at the outside of casing, the outlet end of core pipe stretches to the inside of casing, support construction is set between core pipe and casing, impeller is installed in core pipe, drip ring is set on the internal surface of sleeve pipe above core pipe outlet end, gas phase outlet is arranged in the upper end of casing, and liquid phase outlet is arranged in the lower end of casing.Aperture section of the present invention had both reduced gas-liquid two-phase flow pattern variation bring oscillation problem, and the circular fall-off space that liquid phase can also be made to enter between core pipe and casing as early as possible improves separative efficiency, prevents fatigue rupture, increased service life.Skimming baffle can stop the drop carried in gaseous core and shunt it to internal surface of sleeve pipe face, and the annular chamber that drip ring is formed with sleeve lining can effectively stop to break through high on the liquid on wall surface and carried by gas, these structure settings can effectively improve separative efficiency.
Description
Technical field
The present invention relates to a kind of gas-liquid separation devices.
Background technique
Gas liquid two-phase flow is widely present in the numerous areas such as power, nuclear energy, petroleum, chemical industry, in order to meet wanting for technique
Ask, guarantee system operational safety or improve production efficiency etc., generally require the separation for realizing gas phase and liquid phase.
The gas-liquid separator being industrially widely used at present is mainly based upon the density contrast of gas phase and liquid phase and realizes gravity
Separation or centrifugal force separate.For gravitational separator, although equipment is relatively simple for structure, equipment size is larger,
Separation cycle is longer, efficiency is lower, secondary droplets problem is also easy to produce when gas flow rate is excessively high, therefore low flow velocity operating condition is suitble to (" to use
In the gravitational separation device of water process ", CN101218006A；" three-phase cover cavity gravity separator ", CN202315422U).Centrifugation
Although formula separator can accomplish smaller size, in order to improve separative efficiency, need that fluid is allowed to pass through with higher speed solid
Impeller is determined to increase centrifugal force, and when air content is larger, due to the variation of gas-liquid two-phase flow pattern, the fluid in separator can be produced
Raw acutely oscillation, makes gaseous core flow instabilities occur, this can not only be such that separative efficiency is greatly reduced, and is very likely to cause point
Fatigue rupture from device.Therefore, duct type whizzer needs work under the conditions of liquid phase flow rate is higher, void fraction is lower
(" a kind of Spiralism type multistage microbubble screening plant ", CN107684983A；" a kind of revolution vane minitype steam bubble separator ",
CN103394213A).Although some centrifugal separation equipments also use tube-in-tube structure, but there is no consider two phase flow pattern
The influence of variation, from structure, this kind of separator can be such that more liquid is carried by gas phase when two-phase fluid oscillation occurs,
It is directly even splashed into gas phase outlet, causes separative efficiency that (Lu Mingchao, Li Yazhou, bear treasure's qin steam-water separator is greatly reduced
Energy experimental study [J] power engineering journal, 2013.33 (1):77-80).Existing combined type gas-liquid separation device is come
It says, although combining more separation method, its structure is excessively complicated, in order to guarantee separative efficiency, it is necessary to have biggish
Volume and weight, and do not account for yet void fraction it is higher when a kind of influence (" spiral-flow type combination of the fluid oscillating to separative efficiency
Gas liquid high-efficiency separator ", CN106492544A).
In actual industrial processes, due to the continuous variation of operating condition, generally requires gas-liquid separation equipment while expiring
Sufficient flow velocity from low to high and void fraction it is ascending different parameters combination, such as natural gas and combustible ice in petrochemical iy produced
Acquisition etc..Meanwhile the variation of fluid viscosity is also to realize important parameter in need of consideration in high-efficiency gas reservoir.And existing point
It can not effectively solve the above problems from equipment.In view of deficiency present in existing research, it is necessary to invent a kind of separative efficiency
High, the scope of application is wide, small in size, light-weight gas-liquid separation device meets the needs of in industrial production.
Summary of the invention
The purpose of the present invention is to provide can meet a kind of heavy of a variety of requirements such as flow velocity, void fraction, fluid viscosity simultaneously
The multifunctional wide flow high efficiency gas-liquid separation device that power is combined with centrifugation technique.
The object of the present invention is achieved like this：
A kind of multifunctional wide flow high efficiency gas-liquid separation device that gravity is combined with centrifugation technique of the present invention, feature
It is：Including casing, core pipe, the arrival end of core pipe is located at the outside of casing, and the outlet end of core pipe stretches to the inside of casing, core pipe
Support construction is set between casing, impeller is installed in core pipe, drip ring is set on the internal surface of sleeve pipe above core pipe outlet end, is covered
Gas phase outlet is arranged in the upper end of pipe, and liquid phase outlet is arranged in the lower end of casing.
The present invention can also include：
1, the core pipe above impeller is aperture section, is provided with hole on aperture section；Aperture section is one section or one section or more,
The outlet end of core pipe is expansion segment.
2, skimming baffle is set below gas phase outlet, and skimming baffle passes through the top of pull rod connecting sleeve.
3, the lower end of gas phase outlet exceeds sleeve upper end portion, and stretches to inside pipe casing.
4, the upper angled of drip ring is downward, and the lower part of drip ring is ring baffle, shape between drip ring entirety and sleeve
At the annular chamber of lower openings.
Advantage of the invention is that：The different parameters such as flow velocity, void fraction, viscosity can be met simultaneously and combine lower gas-liquid fluid
Separation demand.
The present invention can be achieved：
(1) aperture section is set between device and core pipe outlet by mixing in gas-liquid, core pipe inner wall can be effectively discharged
On liquid film, both reduced in this way gas-liquid two-phase flow pattern variation bring oscillation problem, can also make liquid phase enter as early as possible core pipe with
Separative efficiency is improved in circular fall-off space between casing, prevents fatigue rupture, increases service life.
It (2) can be by adjusting the geometric parameter of impeller, such as blade profile, corner, blade height, width of blade, blade quantity, leaf
Leaf length etc. adjusts the size of centrifugal force, meets the separation demand of the gas-liquid fluid of different densities difference, improves separation accuracy.
(3) separator can adjust the structure sizes such as core pipe diameter, casing diameter and whole height according to the actual situation, make
It is with wide applicability.
(4) by the way that expansion segment is arranged in core pipe exit, it can effectively reduce the exit velocity of fluid, further decrease fluid
Vibrate the influence to separative efficiency.
(5) skimming baffle can stop the drop carried in gaseous core and shunt it to internal surface of sleeve pipe face, drip ring and sleeve
The annular chamber that inner wall is formed can effectively stop to break through high on the liquid on wall surface and carried by gas, and the liquid on wall surface is drawn
The circular fall-off space between core pipe and sleeve is imported, these structure settings can effectively improve separative efficiency.
(6) lower end of gas phase outlet suitably extends one end distance to inside pipe casing, prevents the liquid on wall surface by gas
It carries, improves separative efficiency.
(7) gas-liquid separation device has the characteristics that structure is simple, small, small in size, light-weight convenient for manufacture, resistance, fits
Close the installation requirements of different spaces and position.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of impeller；
Fig. 3 a is the schematic diagram of the first form of core pipe expansion segment, and Fig. 3 b is the signal of second of form of core pipe expansion segment
Figure；
Fig. 4 is skimming baffle schematic diagram.
Specific embodiment
It illustrates with reference to the accompanying drawing and the present invention is described in more detail：
In conjunction with Fig. 1-4, a kind of multifunctional wide flow high efficiency gas-liquid separation that gravity is combined with centrifugation technique dress of the present invention
It sets, main part is tube-in-tube structure, including core pipe 2 and casing 7.Impeller 3 is housed inside core pipe 2；The arrival end of core pipe 2 is located at set
The outside of pipe 7, and connect with inlet flange 1；Support construction 14 is equipped between core pipe 2 and casing 7；The outlet end of core pipe 2 is located at
The inside of casing 7, and it is connected to expansion segment 4, core pipe 2 is located at the part in casing 7 and forms circular fall-off space between casing 7；
Aperture section 5 is equipped on 2 wall surface of core pipe between impeller 3 and expansion segment 4, aperture section 5 is located at the inside of casing 7.Casing 7
Lower end be equipped with liquid phase outlet 6；Upper end is equipped with gas phase outlet 8, and connect with outlet(discharge) flange 9；7 inside of casing is close to gas phase
The part of outlet 8 is equipped with skimming baffle 10, and skimming baffle 10 is connect by pull rod 11 with the top of casing 7；Core pipe outlet is expanded
It opens and is equipped with Gravity Separation section 12 between the top and skimming baffle 10 of section 4；Gear is equipped on 7 inner wall of casing of Gravity Separation section 12
Water ring 13.
The pattern of impeller 3, structural parameters and relative position in core pipe can according in pipe gas-liquid fluid with when
The type and viscosity of fluid are adjusted.
The pattern and structural parameters of expansion segment 4 can be selected according to the type with when fluid of gas-liquid fluid in pipe.
It is stretching structure between core pipe 2 and casing 7, relative axial position can be adjusted according to actual installation situation,
It needs to be sealed and reinforce after installation.
One or more snippets can be arranged on 2 wall surface of core pipe between impeller 3 and expansion segment 4 in aperture section 5, aperture it is close
Degree, the pattern in hole and structural parameters can be selected according to the type with when fluid of gas-liquid fluid in pipe.
Liquid phase outlet 6 can be arranged one or more along the circumferential direction of casing 7.
The lower end of gas phase outlet 8 suitably to 7 internal stretch one end distance of casing, prevents the liquid on wall surface from being taken by gas
Band reduces separative efficiency.
Drip ring 13 is mounted on the inner wall of sleeve 7, and upper angled is downward, and lower part is ring baffle, it is whole with sleeve 7 it
Between formed lower openings annular chamber.
Support construction 14 is the multiple support columns being arranged between core pipe 2 and casing 7；The support construction can be in axial setting
It is one or more.
When for gas-liquid separation, technical solution is：Gas-liquid mixture fluid enters separator core pipe 2 by entrance, upward
By impeller 3 and generating centrifugal force after flowing a distance, the small gas of density is to the center of core pipe under the influence of centrifugal force
Assemble and formed gaseous core, the big liquid of density is thrown to formation liquid film on the wall surface of core pipe and flows up.
When gas-liquid is smaller, flow pattern is mainly bubble flow, and flow regime is more stable at this time, and gas-liquid fluid passes through expansion
The Gravity Separation section 12 gradually slowed down in simultaneously sleeve pipe 7 after section 4；Most part liquid flows into core pipe 2 in expansion segment exit
Circular fall-off space between casing 7, few quantity of fluid that gas carries can fall in Gravity Separation section 12 and enter ring
Shape declines space；Liquid in decline space can gradually flow out separator by liquid phase outlet 6, on 6 top of liquid phase outlet
It remains that one section of fluid column exists in circular fall-off space, effectively prevents separation caused by gas is discharged as liquid phase outlet 6
Efficiency decline；Gas phase is discharged after flowing through Gravity Separation section 12 by gas phase outlet 8, realizes gas-liquid separation.
When gas-liquid is bigger, flow pattern is mainly to mix based on stream, and flow regime is unstable at this time, and it is existing that fluid has oscillation
As.Fluid oscillating declines separative efficiency in order to prevent, and aperture section 5 is provided between 4 sections of impeller 3 and expansion.Fluid vibration
Wild effect caused by swinging will obtain larger alleviation or inhibition (by gas by the discharge of aperture section 5 by a large amount of wall surface liquid films
Liquor ratio determines).Gas-liquid fluid is gradually slowed down after passing through expansion segment 4 and the Gravity Separation section 12 in sleeve pipe 7；Expansion was slowed down
Journey will further alleviate the oscillatory occurences of fluid.Most of liquid flows into core pipe 2 and set by aperture section 5 and expansion segment exit
Circular fall-off space between pipe 7, the liquid partially rushed along sleeve lining face are stopped by drip ring 13, and liquid enters drip ring
It is fallen after rise again after annular chamber between 13 and sleeve 7 to a small amount of liquid and the fluid vibration of circular fall-off space, gas and its carrying
Swinging may cause part injection liquid and can enter in Gravity Separation section 12, and skimming baffle 10, which can stop to spray liquid, to be entered gas phase and draw
Separative efficiency caused by outlet 8 declines, and by liquid guide flow to the inner wall of casing 7, falls to core after being drained by drip ring 13
Circular fall-off space between pipe 2 and casing 7.Few quantity of fluid that gas carries can fall and enter in Gravity Separation section 12
Circular fall-off space；Liquid in decline space can gradually flow out separator by liquid phase outlet 6, on 6 top of liquid phase outlet
Circular fall-off space in remain that one section of fluid column exists, effectively prevent caused by gas is discharged as liquid phase outlet 6 point
Decline from efficiency；Gas phase is discharged after flowing through Gravity Separation section 12 by gas phase outlet 8, realizes gas-liquid separation.
Claims (9)
1. the multifunctional wide flow high efficiency gas-liquid separation device that a kind of gravity is combined with centrifugation technique, it is characterized in that：Including set
Pipe, core pipe, the arrival end of core pipe are located at the outside of casing, and the outlet end of core pipe stretches to the inside of casing, core pipe and casing it
Between support construction is set, impeller is installed in core pipe, drip ring, the upper end of casing are set on the internal surface of sleeve pipe above core pipe outlet end
Gas phase outlet is set, and liquid phase outlet is arranged in the lower end of casing.
2. the multifunctional wide flow high efficiency gas-liquid separation dress that a kind of gravity according to claim 1 is combined with centrifugation technique
It sets, it is characterized in that：Core pipe above impeller is aperture section, is provided with hole on aperture section；Aperture section be one section or one section with
On, the outlet end of core pipe is expansion segment.
3. the multifunctional wide flow high efficiency gas-liquid that a kind of gravity according to claim 1 or 2 is combined with centrifugation technique point
From device, it is characterized in that：Skimming baffle is set below gas phase outlet, and skimming baffle passes through the top of pull rod connecting sleeve.
4. the multifunctional wide flow high efficiency gas-liquid that a kind of gravity according to claim 1 or 2 is combined with centrifugation technique point
From device, it is characterized in that：The lower end of gas phase outlet exceeds sleeve upper end portion, and stretches to inside pipe casing.
5. the multifunctional wide flow high efficiency gas-liquid separation dress that a kind of gravity according to claim 3 is combined with centrifugation technique
It sets, it is characterized in that：The lower end of gas phase outlet exceeds sleeve upper end portion, and stretches to inside pipe casing.
6. the multifunctional wide flow high efficiency gas-liquid that a kind of gravity according to claim 1 or 2 is combined with centrifugation technique point
From device, it is characterized in that：The upper angled of drip ring is downward, and the lower part of drip ring is ring baffle, drip ring entirety and sleeve
Between formed lower openings annular chamber.
7. the multifunctional wide flow high efficiency gas-liquid separation dress that a kind of gravity according to claim 3 is combined with centrifugation technique
It sets, it is characterized in that：The upper angled of drip ring is downward, and the lower part of drip ring is ring baffle, between drip ring entirety and sleeve
Form the annular chamber of lower openings.
8. the multifunctional wide flow high efficiency gas-liquid separation dress that a kind of gravity according to claim 4 is combined with centrifugation technique
It sets, it is characterized in that：The upper angled of drip ring is downward, and the lower part of drip ring is ring baffle, between drip ring entirety and sleeve
Form the annular chamber of lower openings.
9. the multifunctional wide flow high efficiency gas-liquid separation dress that a kind of gravity according to claim 5 is combined with centrifugation technique
It sets, it is characterized in that：The upper angled of drip ring is downward, and the lower part of drip ring is ring baffle, between drip ring entirety and sleeve
Form the annular chamber of lower openings.
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| CN201810598118.7A CN108815927B (en) | 2018-06-12 | 2018-06-12 | Multifunctional wide-flow-path efficient gas-liquid separation device combining gravity and centrifugal technology |
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| CN201810598118.7A CN108815927B (en) | 2018-06-12 | 2018-06-12 | Multifunctional wide-flow-path efficient gas-liquid separation device combining gravity and centrifugal technology |
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| CN108815927B CN108815927B (en) | 2021-05-14 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075622A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of twin-tub gas-liquid separator |
| CN110075623A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of fining gas-liquid separator |
| CN110075619A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of width process multi-streaming type high efficient gas and liquid separator |
| CN110075618A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of combination high-efficiency gas-liquid separator |
| CN110173254A (en) * | 2019-05-14 | 2019-08-27 | 中国海洋石油集团有限公司 | A kind of underground bitubular single-stage adjustable type gas-liquid separator |
| CN111974027A (en) * | 2020-08-03 | 2020-11-24 | 哈尔滨工程大学 | Pipeline type multistage oil-water separator utilizing angular momentum conservation |
| CN112160732A (en) * | 2020-10-24 | 2021-01-01 | 东北石油大学 | Method for mining diagenetic hydrate and gas-water separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110075619A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of width process multi-streaming type high efficient gas and liquid separator |
| CN110075618A (en) * | 2019-05-14 | 2019-08-02 | 哈尔滨工程大学 | A kind of combination high-efficiency gas-liquid separator |
| CN110173254A (en) * | 2019-05-14 | 2019-08-27 | 中国海洋石油集团有限公司 | A kind of underground bitubular single-stage adjustable type gas-liquid separator |
| CN110173254B (en) * | 2019-05-14 | 2021-07-27 | 中国海洋石油集团有限公司 | Underground double-cylinder single-stage adjustable gas-liquid separator |
| CN111974027A (en) * | 2020-08-03 | 2020-11-24 | 哈尔滨工程大学 | Pipeline type multistage oil-water separator utilizing angular momentum conservation |
| CN112160732A (en) * | 2020-10-24 | 2021-01-01 | 东北石油大学 | Method for mining diagenetic hydrate and gas-water separator |
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Application publication date: 20181116 Assignee: Tianjin Haidipu Petroleum Technology Co.,Ltd. Assignor: HARBIN ENGINEERING University Contract record no.: X2023980032247 Denomination of invention: A multifunctional and wide-flow high-efficiency gas-liquid separation device combining gravity and centrifugal technology Granted publication date: 20210514 License type: Common License Record date: 20230215 |