CN108048128A - A kind of transformer external electrostatic coalescer - Google Patents
A kind of transformer external electrostatic coalescer Download PDFInfo
- Publication number
- CN108048128A CN108048128A CN201810031910.4A CN201810031910A CN108048128A CN 108048128 A CN108048128 A CN 108048128A CN 201810031910 A CN201810031910 A CN 201810031910A CN 108048128 A CN108048128 A CN 108048128A
- Authority
- CN
- China
- Prior art keywords
- field electrode
- electrode component
- junction box
- high pressure
- metal frame
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 230000018044 dehydration Effects 0.000 claims abstract description 12
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 239000010779 crude oil Substances 0.000 claims description 17
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 10
- 238000004581 coalescence Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 239000003921 oil Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
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 present invention provides a kind of transformer external electrostatic coalescers, including high-field electrode component, metal hose, the first metal frame bracket, fixing nut, high pressure junction box, insulated connecting piece, low-field electrode component and the second metal frame bracket, the high-field electrode component and low-field electrode component are made of multiple electrodes pipe, the electrode tube linearly arranges that adjacent electrode connects high pressure and ground connection respectively；The high-field electrode component is connected first with insulated connecting piece, the insulated connecting piece and connection by metal hose, and the metal hose is connected again with the high pressure junction box；The high pressure junction box is connected by high-tension cable with external transformer, which is located at the top of electric dehydration area, on the outside of three phase separator；The low-field electrode component welds together with the second metal frame bracket, and is grounded.The electrostatic coalescer is simple in structure, easy to maintenance, and inhomogeneous field is formed between electrode, increases the coalescence effect of particle water, improves dehydration efficiency.
Description
Technical field
The present invention relates to be related to crude oil dehydration equipment technical field more particularly to a kind of transformer external electrostatic coalescence
Device.
Background technology
Oil-gas gathering and transportation is the important step of crude oil production, wherein it is a crucial step that crude oil, which is carried out dehydrating,.At present
The technique of three phase separator+electric dehydrator is mainly used for the dewatering type of Produced Liquid, it is successive with the exploitation of onshore oil field
The phenomenon that into the middle and later periods, Produced Liquid water content gradually rises, and three phase separator oil outlet Water in oil rate is not up to standard often goes out
It is existing.
The basic principle of electric dehydrator is that crude oil is entered by bottom in electric dehydrator in the prior art, bottom-up movement,
Particle water therein is subject to electric field action coalescence grain size increase, is settled downwards when gravity is more than electric field force, water is by dehydrator bottom
It discharges in portion.This scheme shortens the sedimentation time, improves separative efficiency, but conventional electric dehydrator internal flow fluidised form is layer
Stream, when moisture content is low in crude oil, particle water causes to settle to each other away from larger, it is necessary to the long period could complete effectively to coalesce
Time is long, and equipment volume is huge；When moisture content is high in crude oil, particle water spacing is small, across electric field phenomenon easily occurs, with oil field
Exploitation enter high water cut stage, Produced Liquid contains substantial amounts of water, and bare electrode therein easily corrodes and short circuit phenomenon,
Equipment fluctuation of service；And for the electrode in electric dehydrator and three phase separator downstream side be metallic plate, shape between electrode
Into be uniform electric field, be unfavorable for the dehydration of low wet crude, coalescer and coalescence module electrodes use tubular pole, but fluid
Along electrode radially, coalesced particle water with electrode collides, easily ruptures again flow direction.
The content of the invention
The object of the present invention is to provide a kind of transformer external electrostatic coalescers, and the electrostatic coalescer is simple in structure, dimension
It repaiies conveniently, forms inhomogeneous field between electrode, increase the coalescence effect of particle water, improve dehydration efficiency.
What the purpose of the present invention was accomplished by the following way：
A kind of transformer external electrostatic coalescer, the electrostatic coalescer include high-field electrode component, metal hose, the
One metal frame bracket, fixing nut, high pressure junction box, insulated connecting piece, low-field electrode component and the second metal frame bracket, wherein
Each several part connection relation is：
The high-field electrode component and low-field electrode component are made of multiple electrodes pipe, which linearly arranges,
Adjacent electrode connects high pressure and ground connection respectively；
The high-field electrode component is connected first with insulated connecting piece, and the insulated connecting piece and connection by metal hose are described
Metal hose is connected again with the high pressure junction box；
The high pressure junction box is connected by high-tension cable with external transformer, which is located at electric dehydration area top
On the outside of portion, three phase separator；
The low-field electrode component welds together with the second metal frame bracket, and is grounded.
As seen from the above technical solution provided by the invention, the electrostatic coalescer is simple in structure, easy to maintenance, electrode
Between form inhomogeneous field, increase the coalescence effect of particle water, improve dehydration efficiency.
Description of the drawings
The advantages of transformer external electrostatic coalescer of the present invention may be better understood by attached drawing, but do not form to this
The restriction of invention transformer external electrostatic coalescer.
Fig. 1 is the structure diagram of transformer external electrostatic coalescer provided in an embodiment of the present invention；
Fig. 2 is provided the structure diagram of insulated connecting piece by the embodiment of the present invention；
Fig. 3 is provided the structure diagram of high-field electrode component by the embodiment of the present invention；
Fig. 4 is provided the connection diagram of insulated connecting piece, high-field electrode and junction box by the embodiment of the present invention；
Fig. 5 is provided the structure diagram of high pressure junction box by the embodiment of the present invention；
Fig. 6 is the schematic diagram of electrostatic coalescer mounting means described in the embodiment of the present invention；
Fig. 7 is provided other arrangement schematic diagrames of electrode tube by the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing, is implemented as shown in Figure 1 for the present invention
The structure diagram for the transformer external electrostatic coalescer that example provides, the electrostatic coalescer include high-field electrode component 1, gold
Belong to hose 2, the first metal frame bracket 3, fixing nut 4, high pressure junction box 5, insulated connecting piece 6, low-field electrode component 7 and second
Metal frame bracket 8, wherein each several part connection relation are：
The high-field electrode component 1 and low-field electrode component 7 are made of multiple electrodes pipe, linear to arrange, adjacent electricity
Pole connects high pressure and ground connection respectively；
The high-field electrode component 1 is connected first with insulated connecting piece 6, which is connected with metal hose 2,
The metal hose 2 is connected again with the high pressure junction box 5；
The high pressure junction box 5 is connected by high-tension cable with external transformer, which is located at electric dehydration area
On the outside of top, three phase separator；
The low-field electrode component 7 welds together with the second metal frame bracket 8, and is grounded.
In the specific implementation, above-mentioned two metal frame bracket 3 and 8 is using " king " character form structure, convenient for crude oil along electrode axis
To flowing, and the electrode mounting hole of linear arrangement is provided on two metal frame brackets 3 and 8, for fixing electrode tube.
The structure diagram that the embodiment of the present invention provides insulated connecting piece is illustrated in figure 2, is illustrated in figure 3 the present invention
Embodiment provides the structure diagram of high-field electrode component, with reference to Fig. 2 and 3：The generally revolving meber of insulated connecting piece 6, and
Inner hollow, it is main include with the coupling part of high-field electrode component 1, with the coupling part of metal hose 2 and with the first gold medal
Belong to the coupling part of frame bracket 3, wherein：
Coupling part with high-field electrode component 1 radial direction and axial fixation are played using cylindrical groove；
The coupling part of metal hose 2 is provided with internal thread, convenient for the connection with 2 quick coupling of metal hose；
The coupling part of first metal frame bracket 3 is provided with boss and external screw thread, boss is used for axial restraint, external screw thread
For the connection with fixing nut 4.
The high-field electrode component 1 uses 10 insulation processing of epoxy resin, and high-voltage line 9 is welded on high-field electrode component 1
Together, and pass through the inside of insulated connecting piece 6 and draw.
The connection diagram that the embodiment of the present invention provides insulated connecting piece, high-field electrode and junction box is illustrated in figure 4,
With reference to figure 1 and 4：Insulated connecting piece 6 is fixed together by fixing nut 4 and the first metal frame bracket 3.High-voltage line 9 and high pressure
Electrode assembly 1 welds together, and then passes through insulated connecting piece 6, is subsequently passed through metal hose 2, reaches high pressure junction box 5.
The structure diagram that the embodiment of the present invention provides high pressure junction box is illustrated in figure 5, the high pressure junction box 5 wraps
The first quick coupling 22,23 and second quick coupling 24 of junction box fixed frame are included, wherein：
First quick coupling 22 is connected with high-field electrode component 1 by metal hose 2, the second quick coupling 24 and external change
Depressor is connected by high-tension cable；
Junction box fixed frame 23 includes two, is respectively welded at the both ends of the high pressure junction box 5.
In the specific implementation, the high pressure junction box 5 is in rectangular parallelepiped structure, multiple first quick couplings are equipped in right lateral surface
22, it is corresponding with the connector of high-field electrode component 1；Left-hand face be equipped with the second quick coupling 24, for external transformer
Connection；L-type junction box fixed frame 23 is welded in left and right side, for fixing high pressure junction box 5；Inside high pressure junction box 5
High pressure connection is sealed using epoxy resins insulation.
The process of installing and using of above-mentioned electrostatic coalescer is described in detail with specific example below, as shown in Figure 6
For the schematic diagram of electrostatic coalescer mounting means described in the embodiment of the present invention, electrostatic coalescer 19, external change are mainly included in figure
Depressor 11, external power supply 21 and three phase separator 14, wherein：
External transformer 11 and external power supply 21 are arranged in the decanting zone outside top of three phase separator 14, electrostatic coalescer
19 are connected with high pressure junction box, and electrostatic coalescer 19 is arranged in the left side of 14 downstream side weir plate 17 of three phase separator, three phase separation
14 earthing of casing 15 of device, oil gas water mixed liquid enter from the entrance 12 of three phase separator 14, and gas-liquid is realized by inlet baffle 13
Separation using commutating zone, reaches decanting zone, and the big particle water of grain size settles downwards in crude oil emulsion, by 16 row of water out
Go out, realize water-oil separating.
Crude oil emulsion after initial gross separation enters in electrostatic coalescer 19, and the inhomogeneous field formed by electrode tube is made
With remaining particle water coalescence, grain size increase in crude oil emulsion, and the further of crude oil emulsion is realized in downward sedimentation separation
Dehydration, dewatered crude oil coalesce area into crude oil after weir plate 17, are discharged from oil export 18, the gas isolated in crude oil
Body is discharged from gas outlet 20.
In addition, in the specific implementation, the electrode tube of high-field electrode component 1 can also use other arrangement modes, such as Fig. 7 institutes
It is shown as other arrangement schematic diagrames that the embodiment of the present invention provides electrode tube, the electrode tube of the high-field electrode component 1 can be with
Using circumference, two metal frame brackets use circular ring shape or rod accordingly.
It should be noted that efficient in the case that meeting, coalescer in the application can multiple combined uses or
It is used in combination with other coalescers.
In conclusion electrostatic coalescer provided herein has the following advantages that：
1) in order to which crude oil is enable to pass in and out coalescer vertically, the present invention proposes easy metal frame supporting structure, crude oil
It is axially flowed along electrode, under inhomogeneous field effect, particle water therein realizes coalescence by dielectrophoretic force, and dehydration efficiency carries
It is high.
2) electrostatic coalescer internal structure is simplified so that processing technology is simple, can be appropriate according to use scope
Change electrode size, installation, maintenance is convenient.
3) electrode group and transformer connection mode are simplified, increases high pressure between high-field electrode group and transformer
Junction box so that connection is simple, reliable.
4) coalescer is installed in three phase separator, and electrode is axial axially consistent with three phase separator cylinder, along electrode
Axially into AC field, the electric field action time is long, shortens the subsequent sedimentation time, is suitable for low wet crude dehydration.
5) in order to increase the reliability of coalescer, using insulation processing around high-field electrode, inside high pressure junction box
High pressure connection is also sealed with epoxy resin, make full use of that epoxy resin has insulate, be heat-resisting, corrosion resistant performance, make high pressure
Electrode does not influence between each other.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of transformer external electrostatic coalescer, which is characterized in that the electrostatic coalescer includes high-field electrode component, gold
Belong to hose, the first metal frame bracket, fixing nut, high pressure junction box, insulated connecting piece, low-field electrode component and the second metal frame
Stent, wherein each several part connection relation are：
The high-field electrode component and low-field electrode component are made of multiple electrodes pipe, which linearly arranges, adjacent
Electrode connects high pressure and ground connection respectively；
The high-field electrode component is connected first with insulated connecting piece, the insulated connecting piece and connection by metal hose, the metal
Hose is connected again with the high pressure junction box；
The high pressure junction box is connected by high-tension cable with external transformer, which is located at the top of electric dehydration area,
On the outside of three phase separator；
The low-field electrode component welds together with the second metal frame bracket, and is grounded.
2. electrostatic coalescer as described in claim 1, which is characterized in that the first metal frame bracket and the second metal frame branch
Frame using king's character form structure, axially flows along electrode convenient for crude oil, and is provided with linear arrangement on two metal frame brackets
Electrode mounting hole, for fixing electrode tube.
3. electrostatic coalescer according to claim 1, which is characterized in that the generally revolving meber of the insulated connecting piece,
And inner hollow, including with high-field electrode component coupling part, with the coupling part of metal hose and with the first metal frame
The coupling part of stent, wherein：
Coupling part with high-field electrode component radial direction and axial fixation are played using cylindrical groove；
The coupling part of metal hose is provided with internal thread, convenient for the connection with metal hose quick coupling；
The coupling part of first metal frame bracket is provided with boss and external screw thread, boss is used for axial restraint, and external screw thread is used for
With the connection of fixing nut.
4. electrostatic coalescer according to claim 1, which is characterized in that
The high-field electrode component is handled using epoxy resins insulation, and high-voltage line leads to together with high-field electrode components welding
It crosses inside insulated connecting piece and draws.
5. electrostatic coalescer according to claim 1, which is characterized in that the high pressure junction box includes the first fast quick access
Head, junction box fixed frame and the second quick coupling, wherein：
With high-field electrode component by connection by metal hose, the second quick coupling passes through height with external transformer for first quick coupling
Voltage cable connects；
Junction box fixed frame includes two, is respectively welded at the both ends of the high pressure junction box.
6. electrostatic coalescer according to claim 1, which is characterized in that
The electrode tube of the high-field electrode component can use circumference, and two metal frame brackets use circular ring shape or bar accordingly
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031910.4A CN108048128B (en) | 2018-01-12 | 2018-01-12 | External electrostatic coalescer of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031910.4A CN108048128B (en) | 2018-01-12 | 2018-01-12 | External electrostatic coalescer of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108048128A true CN108048128A (en) | 2018-05-18 |
| CN108048128B CN108048128B (en) | 2023-10-31 |
Family
ID=62126710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810031910.4A Active CN108048128B (en) | 2018-01-12 | 2018-01-12 | External electrostatic coalescer of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108048128B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441479A (en) * | 2019-08-14 | 2019-11-12 | 中国石油化工股份有限公司 | Dynamic experimental device and method in a kind of built-in electrostatic coalescer room of container |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB636632A (en) * | 1946-09-28 | 1950-05-03 | Westinghouse Electric Int Co | Improvements in or relating to electrostatic precipitators |
| US20110266152A1 (en) * | 2010-04-28 | 2011-11-03 | Hamworthy Plc | Electrostatic Coalescing Device |
| CN203048887U (en) * | 2012-12-25 | 2013-07-10 | 北京石油化工学院 | Electrostatic coalescence-separation device and electrostatic coalescence-separation system |
| CN203668316U (en) * | 2014-01-22 | 2014-06-25 | 北京迪威尔石油天然气技术开发有限公司 | Electrostatic coalescence module, device and system |
| 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 |
| CN205974407U (en) * | 2016-08-03 | 2017-02-22 | 北京石油化工学院 | Tubular electrostatic coalescence ware |
| CN207998583U (en) * | 2018-01-12 | 2018-10-23 | 北京石油化工学院 | A kind of transformer external electrostatic coalescer |
-
2018
- 2018-01-12 CN CN201810031910.4A patent/CN108048128B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB636632A (en) * | 1946-09-28 | 1950-05-03 | Westinghouse Electric Int Co | Improvements in or relating to electrostatic precipitators |
| US20110266152A1 (en) * | 2010-04-28 | 2011-11-03 | Hamworthy Plc | Electrostatic Coalescing Device |
| CN203048887U (en) * | 2012-12-25 | 2013-07-10 | 北京石油化工学院 | Electrostatic coalescence-separation device and electrostatic coalescence-separation system |
| CN203668316U (en) * | 2014-01-22 | 2014-06-25 | 北京迪威尔石油天然气技术开发有限公司 | Electrostatic coalescence module, device and system |
| 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 |
| CN205974407U (en) * | 2016-08-03 | 2017-02-22 | 北京石油化工学院 | Tubular electrostatic coalescence ware |
| CN207998583U (en) * | 2018-01-12 | 2018-10-23 | 北京石油化工学院 | A kind of transformer external electrostatic coalescer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441479A (en) * | 2019-08-14 | 2019-11-12 | 中国石油化工股份有限公司 | Dynamic experimental device and method in a kind of built-in electrostatic coalescer room of container |
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| Publication number | Publication date |
|---|---|
| CN108048128B (en) | 2023-10-31 |
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