CN206545504U - A kind of multistage natural gas gas-liquid separation device under water - Google Patents
A kind of multistage natural gas gas-liquid separation device under water Download PDFInfo
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- CN206545504U CN206545504U CN201720225504.2U CN201720225504U CN206545504U CN 206545504 U CN206545504 U CN 206545504U CN 201720225504 U CN201720225504 U CN 201720225504U CN 206545504 U CN206545504 U CN 206545504U
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Abstract
The utility model is related to a kind of multistage natural gas gas-liquid separation device under water, and it includes first stage separation device, second-stage separation device and the third level separator being sequentially connected in series from the bottom to top：First stage separation device includes horizontally disposed tank body, is arranged at the air flap near tank body air inlet, the spiral case separative element for being arranged at the coalescence silk screen at air flap rear and being arranged at tank body gas outlet；Second-stage separation device includes the eddy flow core pipe being connected with tank body gas outlet, the multiple eddy flow mechanisms being arranged inside eddy flow core pipe and the first discharge opeing sleeve pipe being set in outside eddy flow core pipe；The first discharge opeing latasuture is being offered on the eddy flow core pipe bottom tube wall each described on rear side of eddy flow mechanism；Third level separator includes exporting the coalescence core pipe that be connected with eddy flow core pipe, is arranged at catching mist silk screen and be set in the second discharge opeing of the outside sleeve pipe for coalescing core pipe inside coalescence core pipe；Multiple second discharge opeing latasutures are also opened up on the bottom tube wall of coalescence core pipe.
Description
Technical field
The utility model is related to a kind of natural gas gas-liquid separation equipment, more particularly to a kind of multistage natural gas gas-liquid under water
Separator.
Background technology
With advances in technology and international community is to the demand of natural gas energy resource, the construction of natural gas fields by land under water,
By shallow water to deep water.The construction of natural gas fields is generally accompanied by NGL and water, and NGL and water are in natural gas
It can cause to flow security risk, the particularly conveying of long range tieback or standpipe tieback deep water platform in course of conveying.For production
The less gas field of water, can be then delivered to platform and carries out natural gas gas by injecting the hydrate inhibitors such as ethylene glycol under water
Liquid separating treatment；For High water cut gas field, not only hydrate inhibitor demand is big, costly, but also can greatly increase conveying
Pressure, causes pressure to produce to the flow production in gas field, and shut-in pressure is high even can not the adverse effect such as flow production.Therefore, for
High water cut gas field needs to be separated under water.Gas production and the gas liquid ratio meeting during Development and Production of deep water natural gas field
Constantly fluctuation, and degree of fluctuation is difficult in the whole life cycle developed in natural gas field than larger, conventional separator
It is attained by and efficiently separates.
Currently, some separators are separated suitable for containing large amount of liquid, will there is separative efficiency in the case where liquid phase is fewer
Low the problem of；The problem of having efficiently separates suitable for low operating mode containing liquid, and often there is liquid phase in the case where liquid phase is relatively more breaks
It is broken, entrainment the problems such as, so as to cause separative efficiency low.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide and a kind of can realize day in different operating modes containing liquid
The gas gas-liquid separation device of multistage natural under water of right gas gas liquid high-efficiency separation.
To achieve the above object, the utility model uses following technical scheme：A kind of multistage natural gas gas-liquid separation under water
Device, it is characterised in that it includes first stage separation device, second-stage separation device and the third level being sequentially connected in series from the bottom to top
Separator：The first stage separation device includes horizontally disposed tank body, is arranged at the air inlet near the tank body air inlet
Baffle plate, the spiral case separation for being arranged at the coalescence silk screen at the air flap rear and being arranged at the tank body gas outlet is single
Member；The second-stage separation device includes the eddy flow core pipe being connected with the tank body gas outlet, is arranged in the eddy flow core pipe
Multiple eddy flow mechanisms in portion and the first discharge opeing sleeve pipe being set in outside the eddy flow core pipe；Positioned at eddy flow machine each described
The first discharge opeing latasuture is offered on the eddy flow core pipe bottom tube wall on rear side of structure；The third level separator includes and institute
The coalescence core pipe of eddy flow core pipe outlet connection is stated, catching mist silk screen and be set in described poly- inside the coalescence core pipe is arranged at
Tie the second discharge opeing of outside sleeve pipe of core pipe；Multiple second discharge opeing latasutures are also opened up on the bottom tube wall of the coalescence core pipe.
The bottom of the tank body, the first discharge opeing sleeve pipe and the second discharge opeing sleeve pipe is provided with draining pipe.
The coalescence silk screen is arranged in the tank body upper inside walls at the air flap rear, and the coalescence
Silk screen bottom is not contacted with the tank base.
Axis spaced series arrangement of multiple eddy flow mechanisms in the inside of the eddy flow core pipe along the eddy flow core pipe.
Multiple second-stage separation devices in parallel above the first stage separation device, each second level separation
Third level separator described in device correspondence series connection one, in each second-stage separation device and each third level separator
Porch set control valve.
The tank body uses pressure container cylinder.
The eddy flow mechanism include deflection cone and along the deflection cone middle part of sliding channel circumferencial direction uniformly make vane piece.
The utility model is due to taking above technical scheme, and it has advantages below：1st, the utility model passes through first point
It is sequentially connected in series from top to bottom from device, the second separator and the 3rd separator, it is not at the same level suitable for different natural containing liquid
Gas operating mode, can realize that gas liquid high-efficiency is separated for different operating modes containing liquid.2nd, the utility model is in second-stage separation device
In, axis direction of multiple eddy flow mechanisms successively along eddy flow core pipe in eddy flow core pipe is arranged at intervals, and can be realized natural containing liquid
Gas is centrifuged in second-stage separation device through multiple gas-liquid, puies forward the gas-liquid separation efficiency of containing large amount of liquid natural gas.3rd, this practicality
It is new to pass through multiple second-stage separation devices in parallel above first stage separation device, each second-stage separation device series connection one the 3rd
Level separator, control valve is set in the porch of second-stage separation device and third level separator, can be according to gas field
The number of the in running order second-stage separation device of gas production control and third level separator, ensure that at each point
High efficiency from gas-liquid separation in device puies forward containing large amount of liquid natural gas processing amount simultaneously.4th, tank body of the present utility model is held using pressure
Device cylinder, ensure that the bearing capacity of tank body, it is ensured that the safe handling of whole device.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of eddy flow mechanism of the present utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, according to the gas gas-liquid separation device of multistage natural under water proposed by the present invention, it is separated including the first order
Device 1, second-stage separation device 2 and third level separator 3, first stage separation device 1, second-stage separation device 2 and the 3rd
Level separator 3 is sequentially connected in series from top to bottom.
Wherein, first stage separation device 1 includes tank body 11, air flap 12, coalescence silk screen 13 and spiral case separative element 14,
Tank body 11 is horizontally disposed with, and its one end top has air inlet, and other end top has gas outlet, and air flap 12 is arranged on tank body
In 11 and close to the air inlet of tank body 11.Coalescence silk screen 13 is arranged in the upper inside walls of tank body 11 at the rear of air flap 12
On, and coalescence the bottom of silk screen 13 do not contacted with tank body 11.Spiral case separative element 14 is also arranged in tank body 11 and positioned at tank body 11
Gas outlet at, the bottom of tank body 11 connection discharge opeing common excretory duct 4.
Second-stage separation device 2 includes eddy flow core pipe 21, eddy flow mechanism 22 and discharge opeing sleeve pipe 23, the entrance of eddy flow core pipe 21
The gas outlet of tank body 11 is connected, in the inside of the eddy flow core pipe 21 multiple eddy flow mechanisms of the axis spaced series along eddy flow core pipe 21
22, offer discharge opeing latasuture 211 on the bottom tube wall of eddy flow core pipe 21 positioned at each rear side of eddy flow mechanism 22.Discharge opeing sleeve pipe
23 are set in the outside of eddy flow core pipe 21, and the bottom of discharge opeing sleeve pipe 23 is provided with for connecting discharge opeing sleeve pipe 23 and discharge opeing common excretory duct
4 the first draining pipe 24.
Third level separator 3 includes coalescence core pipe 31, catches mist silk screen 32 and discharge opeing sleeve pipe 33, coalesces the entrance of core pipe 31
Outlet with eddy flow core pipe 21 is connected, and coalesces outlet and the external connection of core pipe 31.Set in the inside of coalescence core pipe 31 and catch mist
Silk screen 32, multiple discharge opeing latasutures 311 are opened up on the bottom tube wall of coalescence core pipe 31.Discharge opeing sleeve pipe 33 is set in coalescence core pipe 31
Outside, the bottom of discharge opeing sleeve pipe 33 is provided with the second draining pipe 34 for connecting discharge opeing sleeve pipe 33 and discharge opeing common excretory duct 4.
It is possible to further in the top of first stage separation device 1 multiple second-stage separation devices 2 in parallel, each second level
Correspondence one third level separator 3 of series connection of separator 2, in each second-stage separation device 2 and each third level separator 3
Porch set control valve 5.
Further, it is the underwater pressure-bearing ability of guarantee tank body 11, tank body 11 is pressure container cylinder.
Further, as shown in Fig. 2 eddy flow mechanism 22 includes deflection cone a and the middle part of sliding channel circumferencial direction along deflection cone a
Uniform makes vane piece b.
Use process of the present utility model is as follows：Gas field natural gas containing liquid first passes around first stage separation device 1 and entered under water
Row gas-liquid separation；Natural gas containing liquid enters tank body 11, and most of liquid of the natural gas containing liquid condenses after inlet baffle 12 is encountered
It is separated under gravity into drop, then air-flow is by coalescing the liquid in silk screen 13, air-flow in coalescence silk screen 13
In be agglomerated into big drop, under gravity directly from coalescence silk screen 13 on drip, air-flow goes successively to spiral case separative element 14,
Under the influence of centrifugal force, Partial Liquid Phase is separated, and it is total that the liquid phase isolated in first stage separation device 1 is discharged to discharge opeing
Conduit 4；Air-flow after being handled through first stage separation device 1 enters second-stage separation device 2, and air-flow flows elder generation along eddy flow core pipe 21
Eddy flow mechanism 22 by a number of series connection afterwards, making vane piece a, droplet is thrown to eddy flow under the influence of centrifugal force
The side wall of core pipe 21, and discharge opeing sleeve pipe 23 is discharged to along the discharge opeing latasuture 211 in the side wall of eddy flow core pipe 21, the liquid phase separated
Discharge opeing common excretory duct 4 is discharged to through the first draining pipe 24；Air-flow after being handled through second-stage separation device 2 enters the third level and separates dress
3 are put, air-flow is encountered to catch along the coalescence flowing of core pipe 31 by the liquid phase caught in mist silk screen 32, air-flow can constantly gather after mist silk screen 32
Knot, droplet constantly gathers into big drop, and big drop is dripped under gravity, and discharge opeing is discharged to then along discharge opeing latasuture 311
Sleeve pipe 33, discharge opeing common excretory duct 4 is pooled to through the second draining pipe 34, and the natural gas after being separated through three-level is through coalescing going out for core pipe 31
Mouth discharge transfer.
The utility model is only illustrated with above-described embodiment, and structure, set location and its connection of each part are all can
With what is be varied from.It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model
Improvement or equivalents, should not exclude outside protection domain of the present utility model.
Claims (7)
1. a kind of multistage natural gas gas-liquid separation device under water, it is characterised in that it includes first be sequentially connected in series from the bottom to top
Level separator, second-stage separation device and third level separator：
The first stage separation device includes horizontally disposed tank body, is arranged at the air flap near the tank body air inlet,
The spiral case separative element for being arranged at the coalescence silk screen at the air flap rear and being arranged at the tank body gas outlet；
The second-stage separation device includes the eddy flow core pipe being connected with the tank body gas outlet, is arranged in the eddy flow core pipe
Multiple eddy flow mechanisms in portion and the first discharge opeing sleeve pipe being set in outside the eddy flow core pipe；Positioned at eddy flow machine each described
The first discharge opeing latasuture is offered on the eddy flow core pipe bottom tube wall on rear side of structure；
The third level separator includes exporting the coalescence core pipe being connected with the eddy flow core pipe, is arranged at the coalescence core pipe
It is internal to catch mist silk screen and be set in the second discharge opeing of outside sleeve pipe of the coalescence core pipe；In the lower tube of the coalescence core pipe
Also multiple second discharge opeing latasutures are opened up on wall.
2. a kind of multistage natural gas gas-liquid separation device under water as claimed in claim 1, it is characterised in that：The tank body,
The bottom of one discharge opeing sleeve pipe and the second discharge opeing sleeve pipe is provided with draining pipe.
3. a kind of multistage natural gas gas-liquid separation device under water as claimed in claim 1, it is characterised in that：The coalescence silk screen
It is arranged in the tank body upper inside walls at the air flap rear, and the coalesced filament net bottom end and the tank body bottom
Portion is not contacted.
4. a kind of multistage natural gas gas-liquid separation device under water as claimed in claim 1, it is characterised in that：Multiple eddy flows
Axis spaced series arrangement of the mechanism in the inside of the eddy flow core pipe along the eddy flow core pipe.
5. a kind of multistage natural gas gas-liquid separation device under water as claimed in claim 1 or 2 or 3 or 4, it is characterised in that：
Multiple second-stage separation devices in parallel above the first stage separation device, each second-stage separation device correspondence is gone here and there
Third level separator described in connection one, sets in the porch of each second-stage separation device and each third level separator
Put control valve.
6. a kind of multistage natural gas gas-liquid separation device under water as described in claim 1 or 2 or 3, it is characterised in that：The tank
Body uses pressure container cylinder.
7. a kind of multistage natural gas gas-liquid separation device under water as described in claim 1 or 4, it is characterised in that：The eddy flow
Mechanism include deflection cone and along the deflection cone middle part of sliding channel circumferencial direction uniformly make vane piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225504.2U CN206545504U (en) | 2017-03-09 | 2017-03-09 | A kind of multistage natural gas gas-liquid separation device under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225504.2U CN206545504U (en) | 2017-03-09 | 2017-03-09 | A kind of multistage natural gas gas-liquid separation device under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206545504U true CN206545504U (en) | 2017-10-10 |
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ID=59994432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225504.2U Active CN206545504U (en) | 2017-03-09 | 2017-03-09 | A kind of multistage natural gas gas-liquid separation device under water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761657A (en) * | 2017-03-09 | 2017-05-31 | 中国海洋石油总公司 | A kind of multistage natural gas gas-liquid separation device and method under water |
| CN112546678A (en) * | 2020-12-01 | 2021-03-26 | 中国石油大学(华东) | T-shaped pipe network three-stage axial flow gas-liquid separation device and real-time control system |
-
2017
- 2017-03-09 CN CN201720225504.2U patent/CN206545504U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761657A (en) * | 2017-03-09 | 2017-05-31 | 中国海洋石油总公司 | A kind of multistage natural gas gas-liquid separation device and method under water |
| CN112546678A (en) * | 2020-12-01 | 2021-03-26 | 中国石油大学(华东) | T-shaped pipe network three-stage axial flow gas-liquid separation device and real-time control system |
| CN112546678B (en) * | 2020-12-01 | 2022-02-08 | 中国石油大学(华东) | T-shaped pipe network three-stage axial flow gas-liquid separation system controlled in real time |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |