CN104069650A - Oil-water separator and method for separating oil-water mixed solution in oil field - Google Patents
Oil-water separator and method for separating oil-water mixed solution in oil field Download PDFInfo
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- CN104069650A CN104069650A CN201410332802.2A CN201410332802A CN104069650A CN 104069650 A CN104069650 A CN 104069650A CN 201410332802 A CN201410332802 A CN 201410332802A CN 104069650 A CN104069650 A CN 104069650A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses an oil-water separator which comprises an upper outer pipe and a lower outer pipe, wherein the upper outer pipe and the lower outer pipe are communicated through at least one vertical pipe; the top end of the upper outer pipe is fixedly connected with a floating oil pipe extending along the axial direction, and an oil outlet for communicating the upper outer pipe with the floating oil pipe is arranged in the top end of the upper outer pipe. A method for separating an oil-water mixed solution in an oil field comprises the following steps: (1), primarily separating crude oil and water in the oil-water mixed solution in the oil field by adopting a 'gravity settling process', directly collecting settled sewage and floating crude oil in a primary separation process; and (2), secondarily separating settled sewage and floating crude oil in the step (1) by adopting a 'gravity settling process', and respectively collecting floating pure crude oil and settled pure water in a secondary separation process. The oil-water separator has the beneficial effects of ensuring the miniaturization, ensuring stability of the dewatering quality, enabling the gravity settling efficiency to be greatly increased, and greatly lowering the project cost of existing separation facility.
Description
Technical field
The present invention relates to oil field oil water mixed liquor processing technology field, be specifically related to a kind of oil water separator and oil field oil water mixed liquor separation method.
Background technology
Oil field also a large amount of natural G&W of output when producing crude oil, need to carry out separation to crude oil, gas, water three-phase fluid.Dehydration of crude oil equipment is the embodiment of dehydration technique, and it occupies critical role in dehydration of crude oil process.Dehydration technique, device structure rationally whether, be directly connected to the quality of effect, efficiency and the crude oil of dehydration, and production run cost, and then affect total economic benefit that the dehydration of crude oil is produced.
Oily water separation technique mainly contains three types in principle: i.e. aggregation method, settling methods or centrifugal force method, in practice, utilize often two kinds of above principles to form concrete separating technology, but change ten thousand times without leaving the original aim or stand, in where method in office, all can't do without the effect of gravitational settling, if improved the efficiency of gravitational settling, just can improve the separative efficiency of oil field output object.
At present the dewatering process of oil field routine is " heat chemistry settling method ", heat, after dosing come liquid enter again large tank or three-phase oil, gas, separator carry out sedimentation degassed, dewater.While dewatering by this mode, produce and stablize, convenient management.But for increasing the sedimentation time, need very large tank to hold and floor space.
Although it is little that the dehydration equipment of centrifugal process and ladder type pipe partition method has volume, the advantage that separative efficiency is high, but be subject to " turbulent flow or the channelling " impact in actual motion, cause disintegrate-quality and stability also unsatisfactory, therefore, in the dewatering process of oil field, also fail to obtain large-area applications.
Summary of the invention
For solving in prior art, also do not have comparatively complete equipment to carry out the technological deficiency of oil field oil water mixed liquor processing, the present invention designs a kind of oil water separator and oil field oil water mixed liquor separation method, realize the crude oil in the oil-water mixture of effective separated oil field, the object of water, improved separative efficiency.
For achieving the above object, the technical solution used in the present invention is:
An oil water separator, comprises upper exterior tube and lower outer pipe, and upper exterior tube and lower outer pipe are connected by least one standpipe; Upper exterior tube top is connected with the oil slick pipe extending vertically, and upper exterior tube top offers the oil-out that is communicated with upper exterior tube and oil slick pipe.This oil water separator, according to sedimentation theory, has effectively been realized the crude oil in oil field oil water mixed liquor, the separation of water.
Preferably, oil-out is oil outlet/fuel-displaced finedraw.Oil-out is for conducting upper exterior tube and oil slick pipe, and this is in upper exterior tube top and cuts finedraw or all can along the axis direction punching of upper exterior tube on the top of upper exterior tube.Because cut finedraw or punch and can prevent channelling.
Further, the axis that is socketed with inner tube and upper inner tube in upper exterior tube is positioned at the vertical direction of the axis of upper exterior tube.The bottom of upper inner tube offers delivery port.Delivery port is apopore/water outlet finedraw.By " pipe middle sleeve " mode, produce shallow pond effect; By " eccentric place " (the axis of go up inner tube is positioned at the vertical direction of the axis of upper exterior tube) mode, cause Reynolds number variation.Because there is the fast turbulent flow that easily produces of flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take to manage middle sleeve and upper inner tube bias is placed, utilize the cross-sectional area of eccentric annulus " selenodont " runner to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow place, gap.
Further, on the inwall of upper inner tube, be connected with dividing plate, and offer through hole on dividing plate.To cause the problem of sedimentation time deficiency because volume is little, according to " shallow pool theory ", oil water separator is made to tubular type flow process, when reducing fluid level height, by dividing plate, reduce the invalid sedimentation time, dividing plate also can reduce fluidised form and produce disorderly.
Further, the axis that is socketed with lower inner tube and lower inner tube in lower outer pipe is positioned at the vertical lower of the axis of lower outer pipe.Lower inner tube bottom offers water inlet.Water inlet is inlet opening/water inlet finedraw.By " pipe middle sleeve " mode, produce shallow pond effect; By " eccentric placement " mode, occur that Reynolds number changes.Because there is the fast turbulent flow that easily produces of flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take to manage middle sleeve and lower inner tube bias is placed, utilize the cross-sectional area of eccentric annulus " selenodont " runner to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow place, gap.
An oil field oil water mixed liquor separation method, comprises the following steps: (1), employing " settling methods " are carried out initial gross separation to the crude oil in oil field oil water mixed liquor and water, directly collects the sewage of sedimentation and the crude oil of floating in initial gross separation process; (2), adopt " settling methods " the middle sewage of sedimentation of step (1) and the crude oil of floating to be carried out to secondary separation, the comparatively pure crude oil of collection floating respectively and the comparatively pure water of sedimentation in secondary separation process.
Further, initial gross separation and secondary separation process in step (1) and step (2) are synchronously carried out, and the unified crude oil floating in initial gross separation and secondary separation process of collecting.Secondary separation process described herein is actually the process of a lasting separating for several times, and at fluid, along managing forward in flow process, by standpipe, heavier water can sedimentation, and lighter oil can float.
Beneficial effect of the present invention is: this oil water separator has guaranteed the miniaturization of oil water separator, guaranteed again the stability of dehydration quality, the efficiency of gravitational settling is increased substantially, the water-oil separating, water sand separation and the sewage disposal process that this oil water separator are widely used in to oil field output object, can significantly reduce the construction costs of current separation facilities and reduce operating cost; According to " shallow pool theory ", oil water separator is made to tubular type flow process, by reducing fluid level height and can reducing the invalid sedimentation time by dividing plate; According to " Theory of Flow Pattern ", take to manage middle sleeve and eccentric setting, utilize the cross-sectional area of eccentric annulus " selenodont " runner to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow place, gap; The crude oil in effective separated oil field oil water, the object of water have been realized.According to " flow resistance theoretical ", taking in pipe slot mode to reduce profit separately mixes again because of channelling.This oil field oil water separation method adopts merely the principle of gravitational settling, does not need very large tank to hold and floor space, economical and practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of oil water separator of the present invention;
Fig. 2 is the structural representation of the second embodiment of oil water separator of the present invention;
Fig. 3 is the side view of Fig. 2.
In figure,
1, oil slick pipe; 2, upper exterior tube; 21, oil-out; 3, upper inner tube; 31, delivery port; 4, dividing plate; 41, through hole; 5, standpipe; 6, lower outer pipe; 7, lower inner tube; 71, water inlet.
The specific embodiment
Below in conjunction with accompanying drawing, structure of the present invention is explained in detail to explanation.
As shown in Figure 1, show the first embodiment of oil water separator of the present invention, comprise upper exterior tube 2 and lower outer pipe 6, and upper exterior tube and lower outer pipe are connected by least one standpipe 5; Upper exterior tube top is connected with the oil slick pipe 1 extending vertically, and upper exterior tube top offers the oil-out 21 that is communicated with upper exterior tube and oil slick pipe.This oil water separator is according to the principle of gravitational settling, effectively realized the separation of the crude oil in oil field oil water, water.
As Figure 2-3, show the second embodiment of oil water separator of the present invention, comprise upper exterior tube 2 and lower outer pipe 6, and upper exterior tube and lower outer pipe are connected by least one standpipe 5; Upper exterior tube top is connected with the oil slick pipe 1 extending vertically, and upper exterior tube top offers the oil-out 21 that is communicated with upper exterior tube and oil slick pipe.This oil water separator is according to the principle of gravitational settling, effectively realized the separation of the crude oil in oil field oil water, water.Oil-out is oil outlet/fuel-displaced finedraw.On upper exterior tube, cut finedraw or punch and can prevent channelling.
A kind of oil water separator provided by the invention, the axis that is socketed with inner tube 3 and upper inner tube in upper exterior tube is positioned at the vertical direction of the axis of upper exterior tube, makes the ring-like space between its inner and outer pipes become " selenodont " runner that cusp makes progress.The bottom of upper inner tube offers delivery port 31.Delivery port is apopore/water outlet finedraw.By " pipe middle sleeve " mode, produce shallow pond effect; By " eccentric placement " mode, occur that Reynolds number changes.Because there is the fast turbulent flow that easily produces of flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take to manage middle sleeve and upper inner tube bias is placed, utilize the cross-sectional area of eccentric annulus to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow place, gap.
A kind of oil water separator provided by the invention, is connected with dividing plate 4 on the inwall of upper inner tube, and on dividing plate, offers through hole 41.To cause not enough problem of sedimentation time because volume is little, according to " shallow pool theory ", oil water separator is made to tubular type flow process, in the time of by reduction fluid level height, by dividing plate, reduce the invalid sedimentation time, dividing plate also can reduce fluidised form and produce disorderly.
A kind of oil water separator provided by the invention, the axis that is socketed with lower inner tube 7 and lower inner tube in lower outer pipe is positioned at the vertical lower of the axis of lower outer pipe, makes the ring-like space between its inner and outer pipes become downward " selenodont " runner of cusp.Lower inner tube bottom offers water inlet 71.Water inlet is inlet opening/water inlet finedraw.By " pipe middle sleeve " mode, produce shallow pond effect; By " eccentric placement " mode, limit Reynolds number and change.Because there is the fast turbulent flow that easily produces of flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take to manage middle sleeve and lower inner tube bias is placed, utilize the cross-sectional area of eccentric annulus to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow place, gap.
While specifically installing and using, as long as add after a direct-through valve on original liquid enters the station pipeline, this oil water separator flow process and former pipeline are installed in parallel, can, motionless to original flow process in the situation that, move new dewatering type; The disposal ability of single group oil water separator determines by caliber, flow velocity and liquid property, and treating capacity is excessive or while can't meet the quality requirement, and can solve by mode in parallel or one group of this oil water separator of series connection again.
A kind of oil water separator provided by the invention, operation principle is as follows: oil field oil water mixed liquor enters and flows forward from upper inner tube, low-density crude oil the oil slick pipe on upper exterior tube top, on inner tube enter petroleum tank after flowing out forward.After the excessive discharge of high density water, after the water inlet of the delivery port → standpipe → lower inner tube of upper inner tube → enter the backward front outflow of lower inner tube, enter water pot.Now, because the annular space sectional area of water inlet is less, can prevent from entering the water band crude oil in lower inner tube.
The part crude oil of taking out of because of excessive draining from the delivery port of upper inner tube forms water to oil area in standpipe, and intermediate zone top crude oil enters petroleum tank after oil-out → oil slick pipe of upper exterior tube.Now, because the oil-out place annular space area of upper exterior tube is less, can prevent from intaking in crude oil.
Oil field oil water mixed liquor enters and flows forward from upper inner tube, in flow process, oil field oil water mixed liquor is through dividing plate, a large amount of oil-polluted waters flow into upper exterior tube from the delivery port of upper inner tube, now because density is different, lighter crude oil flows into the discharge of oil slick pipe through the oil-out of upper exterior tube, mobile wet crude forward vertically in upper inner tube, heavier water enters upper exterior tube through delivery port, flows into lower outside (interior) pipe discharge (in lower outer pipe, flowing forward vertically) by standpipe.(due to the effect of density, gravity, upper inner tube will be take crude oil as main, and lower inner tube will be take water as main) (due to the effect of density, gravity, in flow process, the water in upper inner tube crude oil, when flowing through standpipe, can sink down in lower outer pipe automatically; Crude oil in lower outer pipe water, when flowing through standpipe, floating enters oil slick pipe through the oil-out of upper exterior tube automatically).
A kind of oil field oil water mixed liquor separation method provided by the invention, comprise the following steps: (1), employing " settling methods " are carried out initial gross separation to the crude oil in oil field oil water mixed liquor and water, in initial gross separation process, directly collect the sewage of sedimentation and the crude oil of floating; (2), adopt " settling methods " the middle sewage of sedimentation of step (1) and the crude oil of floating to be carried out to secondary separation, the comparatively pure crude oil of collection floating respectively and the comparatively pure water of sedimentation in secondary separation process.
A kind of oil field oil water mixed liquor separation method provided by the invention, initial gross separation and secondary separation process in step (1) and step (2) are synchronously carried out, and the unified crude oil floating in initial gross separation and secondary separation process of collecting.Secondary separation process described herein is actually the process of a lasting separating for several times, and at fluid forward in flow process, heavier water can sedimentation, and lighter oil can float.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing in flesh and blood of the present invention, be equal to and replace and simple modifications etc., within all should being included in protection scope of the present invention.
Claims (7)
1. an oil water separator, is characterized in that, comprises upper exterior tube (2) and lower outer pipe (6), and upper exterior tube and lower outer pipe are connected by least one standpipe (5); The affixed oil slick pipe (1) extending vertically in upper exterior tube top, upper exterior tube top offers the oil-out (21) that is communicated with upper exterior tube and oil slick pipe.
2. a kind of oil water separator according to claim 1, is characterized in that, oil-out is oil outlet/fuel-displaced finedraw.
3. a kind of oil water separator according to claim 1, is characterized in that, the axis that is socketed with inner tube (3) and upper inner tube in upper exterior tube is positioned at the vertical direction of the axis of upper exterior tube; The bottom of upper inner tube offers delivery port (31), and delivery port is apopore/water outlet finedraw.
4. a kind of oil water separator according to claim 3, is characterized in that, is connected with dividing plate (4) on the inwall of upper inner tube, and on dividing plate, offers through hole (41).
5. a kind of oil water separator according to claim 1, is characterized in that, the axis that is socketed with lower inner tube (7) and lower inner tube in lower outer pipe is positioned at the vertical lower of the axis of lower outer pipe; Lower inner tube bottom offers water inlet (71), and water inlet is inlet opening/water inlet finedraw.
6. an oil field oil water mixed liquor separation method, is characterized in that, comprises the following steps:
(1), adopt " settling methods " to carry out initial gross separation to the crude oil in oil field oil water mixed liquor and water, directly the collection sewage of sedimentation and the crude oil of floating in initial gross separation process;
(2), adopt " settling methods " the middle sewage of sedimentation of step (1) and the crude oil of floating to be carried out to secondary separation, the comparatively pure crude oil of collection floating respectively and the comparatively pure water of sedimentation in secondary separation process.
7. oil field oil water mixed liquor separation method according to claim 6, is characterized in that, initial gross separation and secondary separation process in step (1) and step (2) are synchronously carried out, and the unified crude oil floating in initial gross separation and secondary separation process of collecting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993976.8A CN105413238B (en) | 2014-07-14 | 2014-07-14 | A kind of oil water separator |
| CN201410332802.2A CN104069650B (en) | 2014-07-14 | 2014-07-14 | A kind of water-and-oil separator and oil field oil water mixed solution separation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410332802.2A CN104069650B (en) | 2014-07-14 | 2014-07-14 | A kind of water-and-oil separator and oil field oil water mixed solution separation method |
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| CN201510993976.8A Division CN105413238B (en) | 2014-07-14 | 2014-07-14 | A kind of oil water separator |
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| CN104069650A true CN104069650A (en) | 2014-10-01 |
| CN104069650B CN104069650B (en) | 2016-06-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828990A (en) * | 2015-03-11 | 2015-08-12 | 崔斌 | Pipe-in-pie four-phase separator and pre-separation method of oil and water mixed liquor in oil field |
| CN105000704A (en) * | 2015-08-05 | 2015-10-28 | 崔斌 | Pipeline type oil, gas and water separating device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191001B (en) * | 2018-01-08 | 2019-06-14 | 中国科学院力学研究所 | A kind of oily-water seperating equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067597U (en) * | 1989-11-30 | 1990-12-19 | 李青芳 | Floating separator for mixture of oil and water |
| CN2448429Y (en) * | 2000-05-03 | 2001-09-19 | 骆金山 | Oil and water separator |
| CN101810941A (en) * | 2010-04-13 | 2010-08-25 | 中海石油(中国)有限公司深圳分公司 | Compound oil-water separation system |
| CN101973648A (en) * | 2010-07-05 | 2011-02-16 | 无锡出新环保设备有限公司 | Gravity oil and water separator |
| US20120255900A1 (en) * | 2009-12-10 | 2012-10-11 | Noriyoshi Osawa | Oil-water separation device and refining device |
| CN202724757U (en) * | 2012-08-03 | 2013-02-13 | 烟台荣丰环保设备有限公司 | Oil-water separating assembly |
| CN103102024A (en) * | 2012-12-19 | 2013-05-15 | 贵州长绿科技有限公司 | Recycling method for oily wastewater |
| CN203469547U (en) * | 2013-09-27 | 2014-03-12 | 山西晋丰煤化工有限责任公司 | Oil-water separation device |
| CN204159074U (en) * | 2014-07-14 | 2015-02-18 | 崔斌 | A kind of oil water separator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311590A (en) * | 1980-09-25 | 1982-01-19 | Sheng Henry P | Phase separation apparatus |
| CN103752042B (en) * | 2013-01-29 | 2016-08-17 | 中国石油天然气股份有限公司 | Split wing plate and assembly oil-water-mud separation component thereof and oil-water-mud separation method |
-
2014
- 2014-07-14 CN CN201510993976.8A patent/CN105413238B/en active Active
- 2014-07-14 CN CN201410332802.2A patent/CN104069650B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067597U (en) * | 1989-11-30 | 1990-12-19 | 李青芳 | Floating separator for mixture of oil and water |
| CN2448429Y (en) * | 2000-05-03 | 2001-09-19 | 骆金山 | Oil and water separator |
| US20120255900A1 (en) * | 2009-12-10 | 2012-10-11 | Noriyoshi Osawa | Oil-water separation device and refining device |
| CN101810941A (en) * | 2010-04-13 | 2010-08-25 | 中海石油(中国)有限公司深圳分公司 | Compound oil-water separation system |
| CN101973648A (en) * | 2010-07-05 | 2011-02-16 | 无锡出新环保设备有限公司 | Gravity oil and water separator |
| CN202724757U (en) * | 2012-08-03 | 2013-02-13 | 烟台荣丰环保设备有限公司 | Oil-water separating assembly |
| CN103102024A (en) * | 2012-12-19 | 2013-05-15 | 贵州长绿科技有限公司 | Recycling method for oily wastewater |
| CN203469547U (en) * | 2013-09-27 | 2014-03-12 | 山西晋丰煤化工有限责任公司 | Oil-water separation device |
| CN204159074U (en) * | 2014-07-14 | 2015-02-18 | 崔斌 | A kind of oil water separator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828990A (en) * | 2015-03-11 | 2015-08-12 | 崔斌 | Pipe-in-pie four-phase separator and pre-separation method of oil and water mixed liquor in oil field |
| CN105000704A (en) * | 2015-08-05 | 2015-10-28 | 崔斌 | Pipeline type oil, gas and water separating device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104069650B (en) | 2016-06-08 |
| CN105413238A (en) | 2016-03-23 |
| CN105413238B (en) | 2017-07-18 |
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