CN105597378B - A kind of gas-liquid light oil three-phase separating device - Google Patents

A kind of gas-liquid light oil three-phase separating device Download PDF

Info

Publication number
CN105597378B
CN105597378B CN201610157839.5A CN201610157839A CN105597378B CN 105597378 B CN105597378 B CN 105597378B CN 201610157839 A CN201610157839 A CN 201610157839A CN 105597378 B CN105597378 B CN 105597378B
Authority
CN
China
Prior art keywords
gas
oil
separator
cylinder
phase
Prior art date
Application number
CN201610157839.5A
Other languages
Chinese (zh)
Other versions
CN105597378A (en
Inventor
王跃社
王天靖
Original Assignee
西安交通大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 西安交通大学 filed Critical 西安交通大学
Priority to CN201610157839.5A priority Critical patent/CN105597378B/en
Publication of CN105597378A publication Critical patent/CN105597378A/en
Application granted granted Critical
Publication of CN105597378B publication Critical patent/CN105597378B/en

Links

Abstract

The invention discloses a kind of gas-liquid light oil three-phase separating device, including three phase separator, gas-liquid separator, gs-oil separator and oil feed pump.The density contrast substep of its centrifugal force produced by eddy flow and light oil and water realizes gas-liquid light oil three phase separation.Three phase separator is connected by pipeline with gas-liquid separator and oil feed pump respectively, and oil feed pump is connected by pipeline with gs-oil separator.Gas enters gas-liquid separator afterwards, is further separated out the droplet carried secretly in gas;Oil, which enters in gs-oil separator, isolates the minute bubbles carried secretly in oil phase.The separation accuracy of the device is high, and the gas and 90% light oil more than 90% can be isolated through actual measurement, solves the multiphase mixed problem occurred in oil recovery gas production industry.

Description

A kind of gas-liquid light oil three-phase separating device

【Technical field】

The present invention relates to the industry gas-liquid separation technical field such as coal, oil, natural gas, more particularly to a kind of gas-liquid lightweight Oily three-phase separating device.

【Background technology】

The industry development such as country's coal chemical industry, petrochemical industry and gas chemical industry is rapid at present, is the rapid of national economy Growth is made that tremendous contribution.Meanwhile, under the increasingly serious background of current energy resource consumption situation, the stable development of these industries There is great strategic importance to country.In the production process of these industries, it is big that generally existing the oil entrainment produced Measure water and mined natural gas carries a large amount of light oils even two-phase or multiphase mixed problem such as heavy oil secretly, how to handle this The problem of a little multiphase mixtures have to face as derived energy chemical industry development.Therefore, two-phase even multi-phase separation technology has Wide market.Separation equipment generally existing high energy consumption, manufacturing cost height, job insecurity for presently, there are on the market etc. are asked Topic, it is impossible to meet the production requirement of derived energy chemical industry.

【The content of the invention】

To solve the problems, such as the multi-phase separation of current derived energy chemical industry presence, oil, the production of natural gas equal energy source are improved Benefit, the invention provides a kind of gas-liquid light oil three-phase separating device, the device by eddy flow and density contrast to light oil, Gas and water three-phase carry out multi-stage separation, it will significantly improve the production status of the industries such as oil, natural gas, improve enterprise Economic benefit.

The technical solution adopted in the present invention is:

A kind of gas-liquid light oil three-phase separating device, including three phase separator, gas-liquid separator and gs-oil separator;It is described Three phase separator include sealedly outside cylinder and three-phase mixture inlet tube;Described outside cylinder bottom up is provided with Overflow cylinder, top down is provided with interior cylinder, and interior cylinder lower end is stretched into overflow cylinder body;Described three-phase mixture enters Mouth pipe one end tilts down through outside cylinder and connected with interior cylinder, oil gas aqueous mixtures is tangentially entered inside Cylinder realizes cyclonic separation;It is provided with the blast pipe connected with interior cylinder, side wall and is provided with the top of described outside cylinder The oil exit pipe that gap is connected between overflow cylinder and outside cylinder, bottom is provided with the electric draining valve connected with overflow cylinder And filling pipe;The blast pipe of described three phase separator is connected with gas-liquid separator, and the oil exit pipe of three phase separator passes through fuel feeding Pump is connected with the gas mixture inlet tube of gs-oil separator.

The center line circular arc corresponding with interior cylinder inwall of described three-phase mixture inlet tube is tangent.

The center line of described three-phase mixture inlet tube and horizontal direction angle are 30 °.

7~8 times of a diameter of mixture intake pipe diameter of described interior cylinder.

The upper end of described overflow cylinder is circumferentially provided with ripple overflow plate, between ripple overflow plate and outside cylinder Provided with gap;The upper surface of described ripple overflow plate is provided with the groove of some proper alignments.

The electronics for monitoring fluid density between overflow cylinder and outside cylinder is additionally provided with described outside cylinder Densitometer;Electronic densitometer is connected by wire with electric draining valve.

Gas outlet is provided with the top of described gas-liquid separator, sidewall bottom is provided with the gas-liquid mixed connected with blast pipe Thing import, bottom is provided with tapping valve;Gas-liquid separator inner inclination is provided with some separation dividing plates, adjacent separation dividing plate Under be staggered, and each separation dividing plate one end leaves gap formation labyrinth type with cylinder inboard wall and separates dividing plate group.

Separating screen is provided with above described separation dividing plate group.

Described gs-oil separator is internally provided with the water conservancy diversion funnel connected with gas mixture inlet tube, gs-oil separator Top is provided with motor, and the rotary shaft lower end being connected with motor sequentially passes through gs-oil separator cylinder top surface and water conservancy diversion funnel Middle circular hole be connected with separator disk;Gap is provided between middle circular hole and rotary shaft;The side of described gs-oil separator cylinder Exhaust outlet is provided with wall, bottom is provided with draining valve.

The diameter of described separator disk is more than the diameter of middle circular hole.

Relative to prior art, the present invention has advantages below:

The device of the present invention makes gas-liquid oil mixture tangentially enter three phase separator, is being overflow in the presence of eddy flow Most of gas is separated in flow cartridge body, and water and oil are in the interior cylinder of separator bottom due to the effect of density contrast Realize oil from water surface separation.Gas enters gas-liquid separator afterwards, is further separated out the droplet carried secretly in gas;Oil enters Enter the minute bubbles isolated and carried secretly in oil phase in gs-oil separator.The separation accuracy of the device is high, and excess of export can be separated through actual measurement 90% gas and 90% light oil are crossed, the multiphase mixed problem occurred in oil recovery gas production industry is solved;The system pressure Lose small, three-waste free discharge;Technological process is simple, and easy to operate, operational reliability is high and with low cost.

Further, three-phase mixture inlet tube is that 30 ° or interior cylinder are a diameter of mixed with horizontal direction angle diagonally downward 7~8 times of compound import pipe diameter, separating effect now is ideal.

Further, ripple overflow plate can postpone the oil that storage is isolated from overflow cylinder, prevent from carrying excessive moisture content, Preferably realize water-oil separating.

Further, device increase electronic densitometer realizes automatically controlling of entirely separating, without artificial on duty, significantly Reduce human cost.

Further, gas enters gas-liquid separator afterwards, and dry separation dividing plate and separating screen can be further separated out gas The droplet carried secretly in body.It ensure that the carrying amount of relatively low moisture content in separation gas.

Further, oil enters in gs-oil separator by water conservancy diversion funnel into separator disk progress froth breaking, isolates to obtain oil phase The minute bubbles of middle entrainment.

【Brief description of the drawings】

Fig. 1 is three phase separator structure chart of the invention;

Wherein:10. outside cylinder;11. overflow cylinder;12. oil exit pipe;13. ripple overflow plate;14. interior cylinder;15. Blast pipe;16. three-phase mixture inlet tube;17. electronic densitometer;18. filling pipe;19. filling pipe inlet valve;20. electronic row Water valve;

Fig. 2 is gas-liquid light oil three-phase separating device schematic diagram of the invention;

Wherein:1. gas-liquid separator;2. three phase separator;3. oil feed pump;4. gs-oil separator;

Fig. 3 is structure of gas liquid separator figure of the invention;

Wherein:5. separate dividing plate;6. separating screen;7. gas outlet;8. tapping valve;9. gas-liquid mixture import;

Fig. 4 is oil-gas separator structure figure of the invention;

Wherein:21. gas mixture inlet tube;22. motor;23. rotary shaft;24. water conservancy diversion funnel;25. separator disk; 26. exhaust outlet;27. draining valve.

【Embodiment】

Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, but in the description of the invention, needs It is to be understood that embodiment described in the invention is exemplary, the design parameter appeared in description is for only for ease of The description present invention, and be not considered as limiting the invention.

As shown in figure 1, a kind of gas-liquid light oil three-phase separating device of the invention, including three phase separator 2, outside separator Cylindrical in the middle part of shape, bottom is in cone, and top surface is arc surface.The structure that three phase separator 2 is included has outside cylinder 10, overflow Flow cartridge body 11, oil exit pipe 12, ripple overflow plate 13, interior cylinder 14, blast pipe 15, three-phase mixture inlet tube 16, electronics are close Degree meter 17, filling pipe 18, filling pipe inlet valve 19 and electric draining valve 20.Wherein, oil exit pipe 12 passes through welding and outside cylinder 10 internal faces are connected, and the bottom of overflow cylinder 11 is connected by the conus portion inwall welded with outside cylinder 10;Ripple overflow plate 13 The circumference of the end of overflow cylinder 11 is arranged on, and is connected by welding with the outside wall surface of overflow cylinder 11;Interior cylinder 14 and outside Cylinder 10 has same central shaft and common top surface, and interior cylinder 14 is common with them by welding with the outside top of cylinder 10 Top surface be connected, the one end of blast pipe 15 by welding be connected with the top inner wall of interior cylinder 14, the other end of blast pipe 15 passes through pipe Road is used to be connected with gas-liquid separator 1, and three-phase mixture inlet tube 8 passes through outside cylinder 10 along the outside wall surface tangent line of interior cylinder 14 It is connected by welding with interior cylinder.Filling pipe 18 passes through flange and filling pipe inlet valve 19 and the outside bottom interior surface of cylinder 10 It is connected, electric draining valve 20 is connected by flange with the outside bottom of cylinder 10.

In order to improve separating effect, diameter of the diameter less than overflow cylinder 11 of interior cylinder 14, and interior cylinder 14 Bottom is stretched into overflow cylinder 11.It is preferred that, interior cylinder 14, overflow cylinder 11 and blast pipe 15 are coaxially disposed.

Wherein, ripple overflow plate 13 is that upper surface is processed to the groove with certain amount proper alignment, with certain The flat board of thickness, oil water mixture, which flows through each groove water, can be deposited on bottom portion of groove, it is possible to achieve to oil water mixture Further separated.

The present apparatus is also provided with densitometer 17 to monitor fluid in the gap between outside cylinder 10 and overflow cylinder 11 Density.The one end of densitometer 17 is connected by wire with outside cylinder 10, and the other end is connected by wire with electric draining valve 20.

Tonneau carries out the result that numerical simulation is drawn with computer to flowing of the heterogeneous fluid in this three-phase separating device, Three-phase mixture inlet tube 16 is 30 ° with horizontal direction angle diagonally downward, a diameter of mixture intake pipe 16 of interior cylinder 14 7~8 times of diameter, separating effect now is ideal.

In order to further solve carrying of liquids in the gas just isolated and just separate it is fuel-displaced in gas be kept completely separate, The present invention has done improvement as shown in Figure 2, and the separator that patent of the present invention is provided includes gas-liquid separator 1, three phase separator 2, oil feed pump 3 and gs-oil separator 4.The gas-liquid mixture import 9 of gas-liquid separator 1 connects with the gas outlet 7 of three phase separator 2 Logical, the oil exit pipe 12 of three phase separator 2 is connected with gas mixture inlet tube 21.

Mixed as shown in figure 3, gas-liquid separator 1 includes separation dividing plate 5, separating screen 6, gas outlet 7, tapping valve 8 and gas-liquid Compound import 9.Two pieces of separation dividing plates 5 are connected by welding with the inwall of gas-liquid separator 1, at an angle to the horizontal direction;Point It is connected from screen cloth 6 by welding with the inwall of gas-liquid separator 1, keeps level.The bottom of gas-liquid separator 1 sets tapping valve 8, top Gas outlet 7 is set.Gas-liquid mixture import 9 is arranged on the side wall of gas-liquid separator 1, and is set less than separation dividing plate 5.

As shown in figure 4, the structure that gs-oil separator 4 includes has gas mixture inlet tube 21, motor 22, rotary shaft 23rd, water conservancy diversion funnel 24, separator disk 25, exhaust outlet 26 and draining valve 27.Wherein, gas mixture inlet tube 21 passes through welding and oil Gas separating device is connected, and exhaust outlet 26 is connected by welding with gs-oil separator, and motor 22 is bolted on Oil-gas Separation On device top surface, rotary shaft is through gs-oil separator top surface and is bolted motor 22 and separator disk 25, water conservancy diversion funnel 24 It is connected by welding with gs-oil separator internal face, has circular hole in the middle of water conservancy diversion funnel 24, circular hole aperture is slightly larger than outside rotary shaft 23 Footpath, allows rotary shaft 23 to pass through circular hole.

Wherein, circular hole aperture is less than the external diameter of separator disk 25.The setting height of exhaust outlet 26 is higher than the height of separator disk 25. Gas mixture inlet tube 21 is arranged on the top of water conservancy diversion funnel 24.

The present invention operation principle be:Before separator is enabled, filling pipe inlet valve 19 is first opened from filling pipe 18 to three A certain amount of water of injection in phase separator, closes filling pipe inlet valve 19 afterwards.Oil gas aqueous mixtures are by mixture intake pipe 16 The interior cylinder 14 of tangential inflow separation device, due to being tangentially to flow into obliquely, mixture is after interior cylinder 14 is entered Rotate along its inwall.Internally realize cyclonic separation in cylinder 14, air accumulation internally the center of cylinder 14 and float by Blast pipe 15 is discharged;The oil water mixture isolated is fallen along the internal face of interior cylinder 14, is gathered in the bottom of overflow cylinder 11, Light oil floats in the presence of density contrast.After oil gas aqueous mixtures are continuously added, oil water mixture liquid level is higher than overflow cylinder When 11, light oil overflows over overflow cylinder 3 and flowed on ripple overflow plate 13, and a small amount of water now carried secretly in light oil is entered one Step is separated.Light oil is discharged through oil exit pipe 12 after ripple overflow plate 13.

Electronic densitometer 17 monitors the fluid density between outside cylinder 10 and overflow cylinder 11, the one end of electronic densitometer 17 Stretched into by wire in the gap between overflow cylinder 11 and outside cylinder 10, the other end passes through wire and the phase of electric draining valve 20 Even.When density exceedes lightweight oil density, explanation has water to be mixed into, and is signaled to electric draining valve 20 and discharges a certain amount of water.

The gas that blast pipe 15 is discharged enters gas-liquid separator 1, and gas floats in gas-liquid separator 1, and be separated dividing plate 5 Gas continues to rise along the passage between separation dividing plate 5 after stop, and the drop carried secretly in gas is because inertial impaction is in separation dividing plate 5 On, when gas is floated by separating screen 6 afterwards, another partial drop is blocked so that leave the gas liquid content of gas outlet 7 It is lower.Realize the effect of further separation liquid.

The oil that oil exit pipe 12 is discharged is entered in gs-oil separator 4 by gas mixture inlet tube 21, is now opened electronic Machine 22, rotary shaft 23 drives separator disk 25 to rotate, and gas mixture is flowed to after water conservancy diversion funnel 24 on separator disk 25, separator disk In 25 rotary courses, oil is fallen on gs-oil separator inwall under the action of the centrifugal force, flows down discharged by draining valve 27 afterwards, originally The bubble contained in oil is separated to be discharged by exhaust outlet 26.

The connection of each several part of the present invention is to be tightly connected, it is ensured that air-tightness is good.

More than, only presently preferred embodiments of the present invention is not limited only to the practical range of the present invention, all according to the scope of the invention The equivalence changes done of content and modification, all should be the technology category of the present invention.

Claims (9)

1. a kind of gas-liquid light oil three-phase separating device, it is characterised in that:Including three phase separator (2), gas-liquid separator (1) and Gs-oil separator (4);Described three phase separator (2) includes sealedly outside cylinder (10) and three-phase mixture inlet tube (16);Described outside cylinder (10) bottom up is provided with overflow cylinder (11), and top down is provided with interior cylinder (14), Interior cylinder (14) lower end is stretched into overflow cylinder (11);Described three-phase mixture inlet tube (16) one end tilt down through Outside cylinder (10) simultaneously connects with interior cylinder (14), oil gas aqueous mixtures is tangentially entered interior cylinder (14) and realizes Cyclonic separation;It is provided with the blast pipe (15) connected with interior cylinder (14), side wall and sets at the top of described outside cylinder (10) The oil exit pipe (12) that gap is connected between overflow cylinder (11) and outside cylinder (10) is equipped with, bottom is provided with and overflow cylinder (11) electric draining valve (20) and filling pipe (18) of connection;The blast pipe (15) of described three phase separator (2) and gas-liquid point From device (1) connection, the oil exit pipe (12) of three phase separator (2) passes through oil feed pump (3) and the gas mixture of gs-oil separator (4) Inlet tube (21) is connected;The upper end of described overflow cylinder (11) is circumferentially provided with ripple overflow plate (13), ripple overflow Gap is provided between plate (13) and outside cylinder (10);The upper surface of described ripple overflow plate (13) is provided with some proper alignments Groove.
2. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described three mix The center line of thing inlet tube (16) and corresponding circular arc on interior cylinder (14) inwall are tangent.
3. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described three mix The center line of thing inlet tube (16) and horizontal direction angle are 30 °.
4. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described interior cylinder (14) 7~8 times of a diameter of three-phase mixture inlet tube (16) diameter.
5. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described outside cylinder (10) electronic densitometer (17) for monitoring fluid density between overflow cylinder (11) and outside cylinder (10) is additionally provided with; Electronic densitometer (17) is connected by wire with electric draining valve (20).
6. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described gas-liquid separation Gas outlet (7) is provided with the top of device (1), sidewall bottom is provided with the gas-liquid mixture import (9) connected with blast pipe (15), bottom Portion is provided with tapping valve (8);Gas-liquid separator (1) inner inclination is provided with some separation dividing plates (5), adjacent separation dividing plate (5) it is staggered up and down, and each separation dividing plate (5) one end and cylinder inboard wall leaves gap formation labyrinth type and separates dividing plate group.
7. a kind of gas-liquid light oil three-phase separating device according to claim 6, it is characterised in that:Described separation dividing plate The top of group is provided with separating screen (6).
8. a kind of gas-liquid light oil three-phase separating device according to claim 1, it is characterised in that:Described Oil-gas Separation Device (4) is internally provided with the top of the water conservancy diversion funnel (24) connected with gas mixture inlet tube (21), gs-oil separator (4) and set Have motor (22), rotary shaft (23) lower end being connected with motor (22) sequentially pass through gs-oil separator (4) cylinder top surface and The middle circular hole of water conservancy diversion funnel (24) is connected with separator disk (25);Gap is provided between middle circular hole and rotary shaft (23);It is described Gs-oil separator (4) cylinder side wall on be provided with exhaust outlet (26), bottom is provided with draining valve (27).
9. a kind of gas-liquid light oil three-phase separating device according to claim 8, it is characterised in that:Described separator disk (25) diameter is more than the diameter of middle circular hole.
CN201610157839.5A 2016-03-18 2016-03-18 A kind of gas-liquid light oil three-phase separating device CN105597378B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610157839.5A CN105597378B (en) 2016-03-18 2016-03-18 A kind of gas-liquid light oil three-phase separating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610157839.5A CN105597378B (en) 2016-03-18 2016-03-18 A kind of gas-liquid light oil three-phase separating device

Publications (2)

Publication Number Publication Date
CN105597378A CN105597378A (en) 2016-05-25
CN105597378B true CN105597378B (en) 2017-10-20

Family

ID=55978058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610157839.5A CN105597378B (en) 2016-03-18 2016-03-18 A kind of gas-liquid light oil three-phase separating device

Country Status (1)

Country Link
CN (1) CN105597378B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106350100B (en) * 2016-09-28 2018-05-29 上海慧随科技有限公司 Crude oil oily-water seperating equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2423490B (en) * 2005-02-23 2009-05-20 Dps Separator
US7288139B1 (en) * 2006-09-06 2007-10-30 Eaton Corporation Three-phase cyclonic fluid separator with a debris trap
CN101544921B (en) * 2009-05-15 2012-10-31 北京工业大学 Skid-mounted device for ultrasonically dehydrating, removing liquid, purifying and separating for natural gas
CN202179875U (en) * 2011-07-07 2012-04-04 中国石油化工股份有限公司 High-pressure separator

Also Published As

Publication number Publication date
CN105597378A (en) 2016-05-25

Similar Documents

Publication Publication Date Title
AU2006307505B2 (en) A separator tank for separation of fluid comprising water, oil and gas
US5300222A (en) Water clarification method and apparatus
SK7862003A3 (en) Combined degassing and flotation tank and use thereof
CA2626756C (en) A separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a fluid including water, oil, and gas
BRPI0713290A2 (en) separator and separation method
US6821322B2 (en) Separators for three-phase or two-phase fluid mixtures realized with a centrifugal device designed for the separation of the gas from the liquid mixture
CN101146584B (en) Separator to separate a liquid/liquid/gas/solid mixture
CN101972559B (en) Oil-water separating device and method
CN1139419C (en) Apparatus and method for separating mixture of low dense liquid and high dense liquid
GB2049493A (en) Gas-liquid separators
CN102574027A (en) A separator tank for separating oil and gas from water
US8950589B2 (en) Apparatus and method for separation of phases in a multiphase flow
CN100406857C (en) Oil, water, gas-phase flow metering device automatically
CN1231279C (en) Oil gas separator with self controlled pressure and liquid level
CN101445279B (en) Compact cyclone air-flotation separation equipment for processing oily wastewater
CN102198984A (en) Multiphase separation method and system for processing oily waste water
CN1970130B (en) Liquid-liquid separation device
CN201241690Y (en) Oil, water and gas three-phase automatic separated metering device
US20160082366A1 (en) Apparatus for liquid degassing using coupling of swirling flow or centrifugal field and pressure gradient field
US20070125715A1 (en) Flotation separator
CN102423549A (en) Dewatering apparatus and oil-water cyclone separator of pipe type distributor oil-water separator
CN102153165B (en) Cyclone air flotation oil-water separator
CN102120103B (en) Gas-oil-water three-phase separator
CN102503008A (en) Method and device for continuously separating oil-water slag without dismantling and cleaning
CN103566698B (en) Gas-liquid-solid three-phase separator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant