CN105413238A - Oil-water separator - Google Patents
Oil-water separator Download PDFInfo
- Publication number
- CN105413238A CN105413238A CN201510993976.8A CN201510993976A CN105413238A CN 105413238 A CN105413238 A CN 105413238A CN 201510993976 A CN201510993976 A CN 201510993976A CN 105413238 A CN105413238 A CN 105413238A
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- oil
- pipe
- exterior tube
- water
- upper exterior
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- 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 includes an upper outer tube and a lower outer tube which are communicated with each other through at least one vertical tube. An oil-floating tube, which is extended in axial direction, is fixedly connected to the top of the upper outer tube. An oil outlet, which communicates the upper outer tube with the oil-floating tube, is formed in the top of the upper outer tube. An upper inner tube is disposed in the upper outer tube in a sleeved manner, wherein the central axial line of the upper inner tube is vertically higher than that of the upper outer tube. A water outlet, which is a hole or a thin seam, is formed in the bottom of the upper inner tube. The oil-water separator ensures miniaturization and stability of dehydration quality, greatly improves efficiency of gravity settlement, and greatly reduces engineering cost of separation equipment in the prior art.
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.
Background technology
The oil field natural gas that also output is a large amount of while producing crude oil and water, need to be separated crude oil, gas, water three-phase fluid.Dehydration of crude oil equipment is then the embodiment of dehydration technique, and it occupies critical role in dehydration of crude oil process.Dehydration technique, device structure whether reasonable, is directly connected to the quality of the effect of dehydration, efficiency and crude oil, and production run cost, and then affects total economic benefit that the dehydration of crude oil produces.
Oily water separation technique mainly contains three types in principle: i.e. aggregation method, settling methods or centrifugal force method, the principle of more than two kinds is utilized to form concrete separating technology in practice often, 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 improve the efficiency of gravitational settling, the separative efficiency of oil field output object just can be improved.
The dewatering process of current oil field routine is " heat chemistry settling method ", namely heat, after dosing come that liquid enters large tank or three-phase oil again, gas, separator carry out that sedimentation is degassed, dehydration.Administration measure when dewatering by this mode, 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 by " turbulent flow or the channelling " impact in actual motion, cause disintegrate-quality and stability also unsatisfactory, therefore, also fail to obtain large-area applications in the dewatering process of oil field.
Summary of the invention
Also do not have comparatively complete equipment to carry out the technological deficiency of oil field oil water mixed liquor process for solving in prior art, the present invention designs a kind of oil water separator, achieves the object of the crude oil be effectively separated in the oil-water mixture of oil field, water, improves separative efficiency.
For achieving the above object, the technical solution used in the present invention is:
A kind of oil water separator, comprise upper exterior tube and lower outer pipe, and upper exterior tube is connected by least one standpipe with lower outer pipe; Upper exterior tube top is connected with the oil slick pipe extended vertically, and upper exterior tube top offers the oil-out being communicated with upper exterior tube and oil slick pipe.This oil water separator, according to sedimentation theory, effectively achieves the separation of the crude oil in oil field oil water mixed liquor, water.
Preferably, oil-out is oil outlet/fuel-displaced finedraw.Oil-out is used for conducting upper exterior tube and oil slick pipe, and this is in upper exterior tube top and cuts finedraw or the axis direction on the top of upper exterior tube along upper exterior tube punches.Because cut finedraw or punch and can prevent channelling.
Further, interior pipe is socketed with in upper exterior tube and the axis of upper interior pipe is positioned at the vertical direction of the axis of upper exterior tube.In upper, the bottom of pipe offers delivery port.Delivery port is apopore/water outlet finedraw.Shallow pond effect is produced by " pipe middle sleeve " mode; Reynolds number is caused to change by " eccentric placement " (in namely going up, the axis of pipe is positioned at the vertical direction of the axis of upper exterior tube) mode.Easily turbulent flow is produced soon because there is flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take pipe middle sleeve and upper interior pipe bias is placed, the cross-sectional area of eccentric annulus " selenodont " runner is utilized to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow gap place.
Further, the inwall of upper interior pipe is connected with dividing plate, and dividing plate offers through hole.To the problem causing sedimentation time deficiency because volume is little, according to " shallow pool theory ", oil water separator is made tubular type flow process, reduce the invalid sedimentation time while reducing fluid level by dividing plate, dividing plate also can reduce fluidised form and produce disorderly.
Further, lower interior pipe is socketed with in lower outer pipe and the axis of lower interior pipe is positioned at the vertical lower of the axis of lower outer pipe.In lower, pipe bottom offers water inlet.Water inlet is inlet opening/water inlet finedraw.Shallow pond effect is produced by " pipe middle sleeve " mode; Occur that Reynolds number changes by " eccentric placement " mode.Easily turbulent flow is produced soon because there is flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take pipe middle sleeve and lower interior pipe bias is placed, the cross-sectional area of eccentric annulus " selenodont " runner is utilized to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow gap place.
The invention also discloses a kind of oil field oil water mixed liquor separation method, comprise the following steps: (1), employing " settling methods " carry out initial gross separation to the crude oil in oil field oil water mixed liquor and water, directly collect the sewage of sedimentation and the crude oil of floating in initial gross separation process; (2), adopt " settling methods " to carry out secondary separation to the sewage of sedimentation in step (1) and the crude oil of floating, in secondary separation process, collect the comparatively pure water of comparatively pure crude oil and the sedimentation of floating respectively.
Further, the initial gross separation in step (1) and step (2) and secondary separation course synchronization carry out, and unifiedly collect the crude oil floated in initial gross separation and secondary separation process.Secondary separation process described herein is actually the process of a lasting separating for several times, and at fluid along in pipe flow forward process, by standpipe, heavier water can sedimentation, and lighter oil can float.
Beneficial effect of the present invention is: namely this oil water separator ensure that the miniaturization of oil water separator, in turn ensure that the stability of dehydration quality, the efficiency of gravitational settling is increased substantially, this oil water separator is widely used in the water-oil separating of oil field output object, water sand separation and sewage disposal process, can significantly reduces the construction costs of current separation facilities and reduce operating cost; According to " shallow pool theory ", oil water separator is made tubular type flow process, by reducing fluid level and the invalid sedimentation time can being reduced by dividing plate; According to " Theory of Flow Pattern ", take pipe 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, form laminar flow at narrow gap place; Achieve the object of the crude oil be effectively separated in oil field oil water, water.Take slot mode in pipe to reduce profit separately according to " flow resistance is theoretical " again to mix 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 interior pipe; 31, delivery port; 4, dividing plate; 41, through hole; 5, standpipe; 6, lower outer pipe; 7, lower interior pipe; 71, water inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, explanation is explained in detail to structure of the present invention.
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 is connected by least one standpipe 5 with lower outer pipe; Upper exterior tube top is connected with the oil slick pipe 1 extended vertically, and upper exterior tube top offers the oil-out 21 being communicated with upper exterior tube and oil slick pipe.This oil water separator, according to the principle of gravitational settling, effectively achieves 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 is connected by least one standpipe 5 with lower outer pipe; Upper exterior tube top is connected with the oil slick pipe 1 extended vertically, and upper exterior tube top offers the oil-out 21 being communicated with upper exterior tube and oil slick pipe.This oil water separator, according to the principle of gravitational settling, effectively achieves the separation of the crude oil in oil field oil water, water.Oil-out is oil outlet/fuel-displaced finedraw.Upper exterior tube cuts finedraw or punches and can prevent channelling.
A kind of oil water separator provided by the invention, is socketed with interior pipe 3 in upper exterior tube and the axis of upper interior pipe is positioned at the vertical direction of the axis of upper exterior tube, makes the toric space between its inner and outer pipes become cusp " selenodont " runner upwards.In upper, the bottom of pipe offers delivery port 31.Delivery port is apopore/water outlet finedraw.Shallow pond effect is produced by " pipe middle sleeve " mode; Occur that Reynolds number changes by " eccentric placement " mode.Easily turbulent flow is produced soon because there is flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take pipe middle sleeve and upper interior pipe bias is placed, the cross-sectional area of eccentric annulus is utilized to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow gap place.
A kind of oil water separator provided by the invention, the inwall of upper interior pipe is connected with dividing plate 4, and dividing plate offers through hole 41.To causing sedimentation time not enough problem because volume is little, according to " shallow pool theory ", oil water separator is made tubular type flow process, while reducing fluid level, reduce the invalid sedimentation time by dividing plate, dividing plate also can reduce fluidised form and produce disorderly.
A kind of oil water separator provided by the invention, is socketed with lower interior pipe 7 in lower outer pipe and the axis of lower interior pipe is positioned at the vertical lower of the axis of lower outer pipe, makes the toric space between its inner and outer pipes become downward " selenodont " runner of cusp.In lower, pipe bottom offers water inlet 71.Water inlet is inlet opening/water inlet finedraw.Shallow pond effect is produced by " pipe middle sleeve " mode; Reynolds number change is limited by " eccentric placement " mode.Easily turbulent flow is produced soon because there is flow velocity, cause the problem that separative efficiency is lower, this separator is according to " Theory of Flow Pattern ", take pipe middle sleeve and lower interior pipe bias is placed, the cross-sectional area of eccentric annulus is utilized to diminish gradually, the feature that Reynolds number also diminishes thereupon, forms laminar flow at narrow gap place.
When specifically installing and using, as long as add a direct-through valve on original liquid enters the station pipeline after, this oil water separator flow process and former pipeline are installed in parallel, when motionless to original flow process, new dewatering type can be run; The disposal ability of single group oil water separator is determined by caliber, flow velocity and liquid property, and treating capacity is excessive or when can't meet the quality requirement, and solves by mode in parallel or series connection one group of this oil water separator again.
A kind of oil water separator provided by the invention, operation principle is as follows: oil field oil water mixed liquor to enter and flow forward from upper interior pipe, the oil slick pipe of low-density crude oil on upper exterior tube top, in pipe enter petroleum tank after outflow forward.After the excessive discharge of high density water, in the delivery port → standpipe → lower of upper interior pipe the lower interior pipe of water inlet → enter of pipe backward before enter water pot after outflow.Annular space sectional area now because of water inlet is less, can prevent from entering the water-band crude oil in lower interior pipe.
The part crude oil taken out of because of excessive draining from the delivery port of upper interior pipe forms water to oil area in standpipe, and intermediate zone top crude oil enters petroleum tank after the oil-out → oil slick pipe of upper exterior tube.Oil-out place annular space area now because of upper exterior tube is less, can prevent from intaking in crude oil.
Oil field oil water mixed liquor enters and flow forward from upper interior pipe, in flow process, oil field oil water mixed liquor is through dividing plate, a large amount of oil-polluted water flows into upper exterior tube from the delivery port of upper interior pipe, now because density is different, lighter crude oil flows into the discharge of oil slick pipe through the oil-out of upper exterior tube, the wet crude of flow forward vertically in upper interior pipe, heavier water enters upper exterior tube through delivery port, flows into lower outside (interior) pipe discharge (in lower outer pipe vertically flow forward) by standpipe.(due to the effect of density, gravity, upper interior pipe will based on crude oil, lower interior pipe will based on water) (due to the effect of density, gravity, in flow process, the water in upper interior pipe 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, meeting automatically floating enters oil slick pipe through the oil-out of upper exterior tube).
A kind of oil field oil water mixed liquor separation method provided by the invention, comprise the following steps: (1), employing " settling methods " carry out initial gross separation to the crude oil in oil field oil water mixed liquor and water, directly collect the sewage of sedimentation and the crude oil of floating in initial gross separation process; (2), adopt " settling methods " to carry out secondary separation to the sewage of sedimentation in step (1) and the crude oil of floating, in secondary separation process, collect the comparatively pure water of comparatively pure crude oil and the sedimentation of floating respectively.
A kind of oil field oil water mixed liquor separation method provided by the invention, the initial gross separation in step (1) and step (2) and secondary separation course synchronization carry out, and unifiedly collect the crude oil floated in initial gross separation and secondary separation process.Secondary separation process described herein is actually the process of a lasting separating for several times, and in forward fluid motion 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 do in flesh and blood of the present invention any amendment, equivalent to replace and simple modifications etc., all should be included within protection scope of the present invention.
Claims (4)
1. an oil water separator, is characterized in that, comprises upper exterior tube (2) and lower outer pipe (6), and upper exterior tube is connected by least one standpipe (5) with lower outer pipe; The affixed oil slick pipe (1) extended vertically in upper exterior tube top, upper exterior tube top offers the oil-out (21) being communicated with upper exterior tube and oil slick pipe; Interior pipe (3) is socketed with and the axis of upper interior pipe is positioned at the vertical direction of the axis of upper exterior tube in upper exterior tube; In upper, the bottom of pipe offers delivery port (31), and delivery port is apopore/water outlet finedraw.
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 inwall of upper interior pipe is connected with dividing plate (4), and dividing plate offers through hole (41).
4. a kind of oil water separator according to claim 1, is characterized in that, is socketed with lower interior pipe (7) and the axis of lower interior pipe is positioned at the vertical lower of the axis of lower outer pipe in lower outer pipe; In lower, pipe bottom offers water inlet (71), and water inlet is inlet opening/water inlet finedraw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993976.8A CN105413238B (en) | 2014-07-14 | 2014-07-14 | A kind of oil water separator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| CN201510993976.8A CN105413238B (en) | 2014-07-14 | 2014-07-14 | A kind of oil water separator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410332802.2A Division CN104069650B (en) | 2014-07-14 | 2014-07-14 | A kind of water-and-oil separator and oil field oil water mixed solution separation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413238A true CN105413238A (en) | 2016-03-23 |
| CN105413238B CN105413238B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510993976.8A Active CN105413238B (en) | 2014-07-14 | 2014-07-14 | A kind of oil water separator |
| CN201410332802.2A Active 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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| CN201410332802.2A Active 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191001A (en) * | 2018-01-08 | 2018-06-22 | 中国科学院力学研究所 | A kind of oily-water seperating equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828990B (en) * | 2015-03-11 | 2016-09-28 | 崔斌 | A kind of pipe box tubular type four-phase separator and oil field oil water mixed liquor Isolation method |
| CN105000704B (en) * | 2015-08-05 | 2017-03-01 | 崔斌 | Pipe type oil moisture trap and separation method |
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| US4311590A (en) * | 1980-09-25 | 1982-01-19 | Sheng Henry P | Phase separation apparatus |
| 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 |
| CN202724757U (en) * | 2012-08-03 | 2013-02-13 | 烟台荣丰环保设备有限公司 | Oil-water separating assembly |
| CN103752042A (en) * | 2013-01-29 | 2014-04-30 | 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 |
| CN204159074U (en) * | 2014-07-14 | 2015-02-18 | 崔斌 | A kind of oil water separator |
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| 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 |
| AU2010329034B2 (en) * | 2009-12-10 | 2014-01-23 | Ihi Corporation | Oil-water separation device and refining device |
| CN101973648B (en) * | 2010-07-05 | 2013-02-20 | 无锡出新环保设备有限公司 | Gravity oil and water separator |
| 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 |
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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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311590A (en) * | 1980-09-25 | 1982-01-19 | Sheng Henry P | Phase separation apparatus |
| 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 |
| CN202724757U (en) * | 2012-08-03 | 2013-02-13 | 烟台荣丰环保设备有限公司 | Oil-water separating assembly |
| CN103752042A (en) * | 2013-01-29 | 2014-04-30 | 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 |
| CN204159074U (en) * | 2014-07-14 | 2015-02-18 | 崔斌 | A kind of oil water separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191001A (en) * | 2018-01-08 | 2018-06-22 | 中国科学院力学研究所 | A kind of oily-water seperating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105413238B (en) | 2017-07-18 |
| CN104069650A (en) | 2014-10-01 |
| CN104069650B (en) | 2016-06-08 |
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