CN107937019A - A kind of duct type electric field coalesces oily-water seperating equipment - Google Patents
A kind of duct type electric field coalesces oily-water seperating equipment Download PDFInfo
- Publication number
- CN107937019A CN107937019A CN201711177838.8A CN201711177838A CN107937019A CN 107937019 A CN107937019 A CN 107937019A CN 201711177838 A CN201711177838 A CN 201711177838A CN 107937019 A CN107937019 A CN 107937019A
- Authority
- CN
- China
- Prior art keywords
- electrode
- waterpipe
- electric field
- water
- delivery outlet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/02—Dewatering or demulsification of hydrocarbon oils with electrical or magnetic means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrostatic Separation (AREA)
Abstract
The application provides a kind of duct type electric field coalescence oily-water seperating equipment, including：Described except waterpipe has grease input port and a delivery outlet except waterpipe, also, more than one group of water hole of removing is offered along the axial direction of pipe in described remove on waterpipe, the outer circumference surface except water hole is with described except the inner wall of waterpipe is tangent；Described remove in waterpipe has first electrode and second electrode；Wherein, the first electrode connects positive pole, and the second electrode connects power cathode, using the device, it is possible to achieve to Produced Liquid demulsification or electric field pre-coalescence, improves water-oil separating efficiency.
Description
Technical field
This application involves oilfield exploitation technical field, more particularly to a kind of duct type electric field coalescence oily-water seperating equipment.
Background technology
With the extension of oil field development time, water yield continues to increase so that the production cost increases, in order to reduce exploitation into
This, is separated water into using downhole separation system and reinjection into reservoir becomes common recognition on the spot.
At present, separation principle includes the principles such as gravity, centrifugation, expansion, air supporting used by downhole separation system, is one
The isolation technics and method of the pure physics of kind, simultaneously as Produced Liquid emulsification problem is also more universal, in order to effectively cope with extraction
Liquid emulsification problem, can use heating or adding method thereof to be demulsified Produced Liquid, carry out water-oil separating again afterwards.However, adopt
Demulsification is carried out to Produced Liquid with heating or adding method thereof has unstability, once demulsification is not thorough, will influence oil water separator
The effect of water-oil separating is carried out to Produced Liquid.
The content of the invention
In view of this, the application provides a kind of duct type electric field coalescence oily-water seperating equipment, be used for realization to Produced Liquid into
Row thoroughly demulsification, improves water-oil separating efficiency.
The embodiment of the present application provides a kind of duct type electric field coalescence oily-water seperating equipment, including except waterpipe, the water removal
Pipeline has grease input port and delivery outlet, also, offers more than one group along the axial direction of pipe on waterpipe in described remove
Remove water hole, the outer circumference surface except water hole is with described except the inner wall of waterpipe is tangent；
Described remove in waterpipe has first electrode and second electrode；Wherein, the first electrode connects positive pole, described
Second electrode connects power cathode.
Optionally, described remove in waterpipe also has pipe cyclone；
The pipe cyclone is positioned at the grease input port end for removing waterpipe, for entering from the grease input port
Produced Liquid carries out rectification and plays rotation.
Optionally, the first electrode is columnar electrode, and the second electrode is hollow hollow edged electrode；Second electricity
Extremely upper to have cavernous structure, the outer circumference surface of the cavernous structure is with described except the outer circumference surface in water hole is opposite；
The first electrode is located inside the tubular structure of the second electrode.
Optionally, the first electrode is hollow hollow edged electrode；
The first electrode and second electrode laying nested against one another, form coaxial tubular electrode.
Optionally, described device further includes tapered hollow edged electrode；
The tapered hollow edged electrode is connected with the second electrode, and the cone angle direction of the tapered hollow edged electrode is described defeated
Outlet.
Optionally, the first electrode and the second electrode are planar electrode.
Optionally, the electric field formed between the first electrode and the second electrode is DC electric field or AC field,
Or direct current is with exchanging combined electric field.
Optionally, the delivery outlet is single outlet or compound outlet；
Wherein, the compound outlet includes the first delivery outlet and the second delivery outlet, the center of second delivery outlet and institute
State except the axle center of waterpipe overlaps, first delivery outlet is laid in the outer edge of second delivery outlet.
Optionally, the shape of the cavernous structure is following one of which：Circular hole, square hole, oblong aperture, tangential hole.
As seen from the above-described embodiment, by laying electric field in except waterpipe, it is possible to achieve gathered using the coalescence of electric arteries and veins, dipole
The principles such as knot, vibration coalescence, break constraint of the interfacial film to Free water, increase water droplet collision coalescence chance, so as to be conducive to
Big droplet is formed in oil emulsion, promotes the coalescence of emulsion droplet in oil, accelerates water-oil separating speed, simultaneously because pipe type oil
Water coarse separation device has pipeline configuration characteristic, so that convenient and flexible installation, occupied space is few, easily with other various pipes
Formula, non-pipeline type separator constitute jointly complete oil-water process system.
Brief description of the drawings
Fig. 1 is the exemplary block diagram that duct type electric field provided by the embodiments of the present application coalesces oily-water seperating equipment；
Fig. 2 is another example arrangement that duct type electric field provided by the embodiments of the present application coalesces oily-water seperating equipment
Figure；
Fig. 3 is another example arrangement that duct type electric field provided by the embodiments of the present application coalesces oily-water seperating equipment
Figure；
Fig. 4 is another example arrangement that duct type electric field provided by the embodiments of the present application coalesces oily-water seperating equipment
Figure.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In drawings and examples, the technical solution in the embodiment of the present application is explicitly described.
Embodiment one：
Fig. 1 is referred to, one for duct type electric field provided by the embodiments of the present application coalescence oily-water seperating equipment is exemplary
Structure chart.
The duct type electric field coalescence oily-water seperating equipment of example as shown in Figure 1, including except waterpipe 10, wherein, water pipe should be removed
Road 10 has grease input port 11, delivery outlet 12, except the water removal for offering more than one group on waterpipe 10 along the axial direction of pipe
Hole (not shown in figure 1), periphery disc and the inner wall except waterpipe that should be except water hole be tangent, can from the marshy land that Produced Liquid is isolated
With by except discharging in water hole.
In the embodiment of the present application, except having first electrode 13 and second electrode 14 in waterpipe 10, wherein, first electricity
Pole 13 connects positive pole, and second electrode 14 connects power cathode, namely ground connection, thus, can shape between first electrode and second electrode
Into electric field.
In one embodiment, the electric field formed between first electrode and second electrode can be DC electric field or alternating current
, then the either combination of DC electric field and AC field, specifically determined by power supply type, and power supply type is by emulsion
Sensitivity characteristic determines.Specifically, when using DC electric field, centrifugation force direction that water droplet is subject to and electric field can be caused to water droplet
Attraction force direction be consistent so that water droplet is subject to the superposition of centrifugal force and the new gravitation of electric field so that demulsification compared with
It is good.
In one embodiment, delivery outlet 12 is single outlet either compound outlet, wherein, it is defeated that compound outlet includes first
Outlet and the second delivery outlet, the center of the second delivery outlet are overlapped with the axle center except waterpipe 10, and the first delivery outlet is laid in second
The outer edge of delivery outlet.
Handled by this kind, by that can realize that the low fluid of moisture content is exported from the first delivery outlet, the low water of oil content
Then exported from the second delivery outlet, so as to achieve the purpose that water-oil separating.
As seen from the above-described embodiment, by laying electric field in except waterpipe, it is possible to achieve gathered using the coalescence of electric arteries and veins, dipole
The principles such as knot, vibration coalescence, break constraint of the interfacial film to Free water, increase water droplet collision coalescence chance, so as to be conducive to
Big droplet is formed in oil emulsion, promotes the coalescence of emulsion droplet in oil, accelerates water-oil separating speed, simultaneously because pipe type oil
Water coarse separation device has pipeline configuration characteristic, so that convenient and flexible installation, occupied space is few, easily with other various pipes
Formula, non-pipeline type separator constitute jointly complete oil-water process system.
So far, the associated description of embodiment one is completed.
Embodiment two：
Fig. 2 is referred to, another example of oily-water seperating equipment is coalesced for duct type electric field provided by the embodiments of the present application
Property structure chart.
The duct type electric field coalescence oily-water seperating equipment of example as shown in Figure 2, in one embodiment, except may be used also in waterpipe 10
With with pipe cyclone 15, which is located at 11 end of grease input port except waterpipe 10, it can be to from grease input port
11 Produced Liquids entered carry out rectification and play rotation, realize emulsion under the action of the centrifugal force, it is easier to poly- to concentrate on except waterpipe 10
At center, and the big water of density ratio oil is then gathered in except at 10 inner wall of waterpipe, so as to contribute to follow-up water-oil separating.
It should be noted that if the Free water in Produced Liquid is less, or emulsion is more sensitive to electric field, so as to hold
Easily it is demulsified under electric field action, then may not need and lay pipe cyclone 15.
In one embodiment, first electrode 13 can be columnar electrode, and second electrode 14 can be hollow tubulose electricity
Pole, and first electrode is located inside the tubular structure of second electrode.Also, there is cavernous structure, this is poroid in second electrode 14
The outer circumference surface of structure, except the outer circumference surface on waterpipe 10 except water hole is opposite, will quickly gather with above-mentioned under electric field force effect
Merge the Free water separated, electric field region is thrown away by centrifugal force effect, so as to reduce influence of the Free water to electric field.
In one embodiment, the shape of above-mentioned cavernous structure can be circular hole, square hole, oblong aperture or tangential hole.
In one embodiment, first electrode 13 can also be hollow hollow edged electrode, which can be with second
14 laying nested against one another of electrodes, forms coaxial tubular electrode, for example, centre is positive electrode, inside and outside each one layer of negative electrode, with
Increase electric field influence area, strengthen electric field strength.
So far, the associated description of embodiment two is completed.
Embodiment three：
Fig. 3 is referred to, another example of oily-water seperating equipment is coalesced for duct type electric field provided by the embodiments of the present application
Property structure chart.
The duct type electric field coalescence oily-water seperating equipment of example as shown in Figure 3, the device can also include tapered hollow edged electrode
16, which is connected with second electrode 14, and the cone angle of the tapered hollow edged electrode 16 is directed toward except waterpipe 10
Delivery outlet 12.
Being handled by this kind to realize, the changing electric field to grow from weak to strong is being internally formed except waterpipe 10；In weak electric field
In can handle the emulsion of moisture content higher, prevent puncture short under high pressure；As Produced Liquid is in except waterpipe 10
Flowing, wherein moisture content gradually reduces, and electric field strength gradually increases, and has for the relatively low emulsion of water content preferable broken
Newborn effect.
So far, the associated description of embodiment three is completed.
Example IV：
Fig. 4 is referred to, another example of oily-water seperating equipment is coalesced for duct type electric field provided by the embodiments of the present application
Property structure chart.
The duct type electric field coalescence oily-water seperating equipment of example as shown in Figure 4, first electrode 13 and second electrode 14 can be
Planar electrode.The application is not restricted the concrete shape of first electrode and second electrode.
Furthermore, it is necessary to explanation, in above-described embodiment one, embodiment two, and embodiment three, first electrode and the
Two electrodes can use Naked dew electrodes or insulating electrode, the application not to be restricted this.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present invention disclosure it is direct
Determine or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (9)
1. a kind of duct type electric field coalesces oily-water seperating equipment, it is characterised in that including：
It is described except waterpipe has grease input port and delivery outlet except waterpipe, also, removed described on waterpipe along the axis of pipe
Offer more than one group of water hole of removing to direction, the outer circumference surface except water hole is with described except the inner wall of waterpipe is tangent；
Described remove in waterpipe has first electrode and second electrode；Wherein, the first electrode connects positive pole, and described second
Electrode connects power cathode.
2. device according to claim 1, it is characterised in that described remove in waterpipe also has pipe cyclone；
The pipe cyclone is positioned at the grease input port end for removing waterpipe, for the extraction to entering from the grease input port
Liquid carries out rectification and plays rotation.
3. device according to claim 1, it is characterised in that the first electrode is columnar electrode, the second electrode
For hollow hollow edged electrode；There is cavernous structure, the outer circumference surface of the cavernous structure and the water removal in the second electrode
The outer circumference surface in hole is opposite；
The first electrode is located inside the tubular structure of the second electrode.
4. device according to claim 3, it is characterised in that the first electrode is hollow hollow edged electrode；
The first electrode and second electrode laying nested against one another, form coaxial tubular electrode.
5. device according to claim 1, it is characterised in that described device further includes tapered hollow edged electrode；
The tapered hollow edged electrode is connected with the second electrode, and the cone angle of the tapered hollow edged electrode is directed toward the output
Mouthful.
6. device according to claim 1, it is characterised in that the first electrode is tabular electricity with the second electrode
Pole.
7. device according to claim 1, it is characterised in that formed between the first electrode and the second electrode
Electric field is DC electric field or AC field, or direct current is with exchanging combined electric field.
8. device according to claim 1, it is characterised in that the delivery outlet is single outlet or compound outlet；
Wherein, the compound outlet includes the first delivery outlet and the second delivery outlet, and the center of second delivery outlet is removed with described
The axle center of waterpipe overlaps, and first delivery outlet is laid in the outer edge of second delivery outlet.
9. device according to claim 1, it is characterised in that the shape of the cavernous structure is following one of which：Circle
Hole, square hole, oblong aperture or tangential hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177838.8A CN107937019A (en) | 2017-11-23 | 2017-11-23 | A kind of duct type electric field coalesces oily-water seperating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177838.8A CN107937019A (en) | 2017-11-23 | 2017-11-23 | A kind of duct type electric field coalesces oily-water seperating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107937019A true CN107937019A (en) | 2018-04-20 |
Family
ID=61929945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711177838.8A Pending CN107937019A (en) | 2017-11-23 | 2017-11-23 | A kind of duct type electric field coalesces oily-water seperating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107937019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134342A1 (en) * | 2020-12-23 | 2022-06-30 | 南京工业职业技术大学 | Electric field-type oil emulsification reverser and method for use thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372634A (en) * | 2006-07-17 | 2009-02-25 | 威海海和科技有限责任公司 | Crude oil dewatering apparatus and system |
| CN102423549A (en) * | 2011-08-02 | 2012-04-25 | 中国科学院力学研究所 | Dewatering apparatus and oil-water cyclone separator of pipe type distributor oil-water separator |
| CN203346341U (en) * | 2013-06-21 | 2013-12-18 | 洛阳正远石化有限公司 | High-speed electrostatic coalescing oil-water separating device |
| CN204714758U (en) * | 2015-04-28 | 2015-10-21 | 北京石油化工学院 | A kind of electrostatic coalescence module and triphase separator |
-
2017
- 2017-11-23 CN CN201711177838.8A patent/CN107937019A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372634A (en) * | 2006-07-17 | 2009-02-25 | 威海海和科技有限责任公司 | Crude oil dewatering apparatus and system |
| CN102423549A (en) * | 2011-08-02 | 2012-04-25 | 中国科学院力学研究所 | Dewatering apparatus and oil-water cyclone separator of pipe type distributor oil-water separator |
| CN203346341U (en) * | 2013-06-21 | 2013-12-18 | 洛阳正远石化有限公司 | High-speed electrostatic coalescing oil-water separating device |
| CN204714758U (en) * | 2015-04-28 | 2015-10-21 | 北京石油化工学院 | A kind of electrostatic coalescence module and triphase separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134342A1 (en) * | 2020-12-23 | 2022-06-30 | 南京工业职业技术大学 | Electric field-type oil emulsification reverser and method for use thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107723020B (en) | A kind of oil gas water three phase electrostatic coalescence separator | |
| US6860979B2 (en) | Dual frequency electrostatic coalescence | |
| CA2841826C (en) | Pipeline type oil-water separator and cyclone generator for the same | |
| CN107365598B (en) | A kind of cyclone electrostatic coalescing devices | |
| US8414756B2 (en) | Removal of glycerin from biodiesel using an electrostatic process | |
| JPH08238402A (en) | Small-sized and highly efficient gas/liquid separating method and apparatus | |
| MX2014015027A (en) | High velocity electrostatic coalescing oil/water separator. | |
| CN105087056A (en) | Three-phase separator | |
| CN108311300A (en) | A kind of oil-water cyclone separator with degassing function | |
| CN107937019A (en) | A kind of duct type electric field coalesces oily-water seperating equipment | |
| US20200239787A1 (en) | Systems and methods for crude oil desalting and dehydration in a single vessel | |
| CN106318442B (en) | A kind of sump oil purification processing unit and purifying treatment method | |
| US3173771A (en) | Gas and liquid contact method and apparatus | |
| EP2964358A1 (en) | Centrifugal separation with extended post | |
| CN104136128B (en) | There is the whizzer of entrance setting | |
| CN105435489A (en) | Whirl enhanced vertical oil water separating device with micro-channels and method | |
| CN208414029U (en) | A kind of oily waste water harmless resource processing technique equipment | |
| CN115232637B (en) | Vertical crude oil dehydration equipment | |
| NL1003408C2 (en) | Apparatus and method for treating a gas / liquid mixture. | |
| WO2003012217A1 (en) | Centripetal separator | |
| CN105999871B (en) | A kind of separator based on flow field conversion | |
| CN108290084A (en) | High flow capacity electrostatic separator for subsea use | |
| US10870592B2 (en) | Electrostatic separator | |
| CN112125464A (en) | Tubular electrostatic coalescence cyclone separator and separation method thereof | |
| US20030061935A1 (en) | Oil seal liquid separator, and method of separating liquid therewith |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
|
| RJ01 | Rejection of invention patent application after publication |