CN102827630A - Electrostatic coalescence water knockout drum for crude oil - Google Patents
Electrostatic coalescence water knockout drum for crude oil Download PDFInfo
- Publication number
- CN102827630A CN102827630A CN201210281881XA CN201210281881A CN102827630A CN 102827630 A CN102827630 A CN 102827630A CN 201210281881X A CN201210281881X A CN 201210281881XA CN 201210281881 A CN201210281881 A CN 201210281881A CN 102827630 A CN102827630 A CN 102827630A
- Authority
- CN
- China
- Prior art keywords
- electrode
- electrostatic coalescence
- oil
- water
- coalescence
- 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
Images
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention provides an electrostatic coalescence water knockout drum for crude oil. The electrostatic coalescence water knockout drum comprises a high frequency electrostatic coalescence power supply control cabinet and an electrostatic coalescence water knockout tank. The water knockout drum is characterized in that the electrostatic coalescence water knockout tank is a horizontal pressure vessel, a manhole is arranged at the center of a head at the left end of the tank, an oil inlet is arranged at a side surface of the left head, an oil outlet is arranged on the upper part at a left side of a right head, an electrostatic coalescence electrode assembly is arranged at the middle part of the tank, oil-gas-water splitter plates are vertically installed at both sides of the electrostatic coalescence electrode assembly, a slideway is mounted below the electrostatic coalescence electrode assembly, an air outlet is arranged at the central part on the upper top of the tank, two drain outlets and a water outlet are sequentially provided on the lower bottom of the tank, an insulated electrode mounting hole is arranged in a top right corner of the electrostatic coalescence electrode assembly, and the part of the tank at the right side of a right oil-gas-water splitter plate is divided into split parts which are connected through a flange.
Description
Technical field
The present invention relates to the crude oil electrostatic coalescence water trap in a kind of crude oil extraction liquor treating process; Specifically a kind of water trap that is applied to various crude oil, the crude oil electrostatic coalescence water trap with the interelectrode voltolisation knot of electrostatic coalescence and water wetted material Surface Physical coalescence function.
Background technology
Oil-field development gets into the later stage, and viscosity, the density of crude oil constantly increase, and oil, water-mass density difference diminish; Heating energy consumption in the dehydration constantly increases; The dehydration difficulty is increasing, adopts thermo-chemical setting dihydration, water-and-oil separator dewatering type commonly used to be difficult to reach the moisture index of self-cleaning oil, and crude oil water containing is too high; Not only can cause oil pipeline and treatment facility heavy corrosion and fouling, and can significantly increase heating energy consumption and power consumption in the dehydrating of crude oil process.In addition, thermo-chemical setting dihydration not only consumes a large amount of heating energy consumptions, also need add an amount of chemical demulsifier, reduces the surface tension of oil-water interfacial film, improves dewatering efficiency, adds chemical demulsifier and also can increase the dehydrating of crude oil cost.
Summary of the invention
The purpose of this invention is to provide a kind of crude oil electrostatic coalescence water trap, electrode is selected water wetted material for use, utilizes the electrostatic coalescence between the positive and negative electrode, and the physics coalescence of electrode surface makes wet oil reach the purpose of fast dewatering.
The present invention includes high-frequency electrostatic coalescence electrical power control cabinet and electrostatic coalescence water distributing can, it is characterized in that: the electrostatic coalescence water distributing can is a horizontal pressure vessel, is provided with manhole in the heart in the tank body left end end socket; Side at left end socket is provided with oil-in; Be provided with oil outlet in right-hand member end socket left upper portion, be provided with electrostatic coalescence electrode group at the middle part of tank body, be provided with oil and gas and water stream plate on vertical in electrostatic coalescence electrode group both sides; Below electrostatic coalescence electrode group, be provided with slideway; Be provided with the air outlet at the upper top of tank body middle part, be provided with two sewage draining exits and a water outlet by preface, be provided with the insulated electrode open hole in the upper right corner of electrostatic coalescence electrode group at the lower bottom part of tank body; Right oil and gas and water stream plate right side tank body part is made as split, between flange connect.
Electrostatic coalescence electrode group comprises electrode installation supporting seat; Electrode insulation strut member, negative potential, positive electrode, flow-stopping plate, electrode are installed cross-arm; Positive electrode connection terminal and negative potential connection terminal; With electrode 2-10 negative potential of parallel installation between the cross-arm is installed at the electrode supporting seat, positive electrode of parallel installation between per two negative potentials, the two ends up and down of each positive electrode are provided with the electrode insulation strut member; With electrode supporting seat being installed respectively through the electrode insulation strut member is connected with electrode installation cross-arm; On electrode installation cross-arm, be provided with the negative potential connection terminal, on positive electrode, be provided with the positive electrode connection terminal, install between supporting seat and the electrode installation cross-arm at electrode and be provided with the outside flow-stopping plate of arc.
Positive electrode and negative potential are made as the rectangular flat plate electrode; The upper and lower ends of negative potential is installed cross-arm with electrode respectively and with electrode the supporting seat welding is installed, and installs on cross-arm and the electrode installation supporting seat and parallelly connected positive electrode constitutes one group of electrostatic coalescence electrode group with insulating mounting at electrode.
The positive and negative electrode of electrostatic coalescence electrode group is selected water wetted material for use, utilizes electrostatic coalescence between the positive and negative electrode, the physics coalescence of electrode surface, and the wet oil dewatering speed is fast.
Compared with present technology the present invention has the following advantages:
1, electrostatic coalescence electrode group is a built-up type multi-group electrode parallel-connection structure, and the service voltage of electrostatic coalescence electrode group is low, and installation, maintenance is convenient.
2, the electrostatic coalescence electrode is selected water wetted material for use, utilizes the electrostatic coalescence between the positive and negative electrode, and the physics coalescence of electrode surface makes wet oil reach the purpose of fast dewatering.Set up oil and gas and water stream plate at the front end of electrostatic coalescence electrode group, set up oil and gas and water stream plate in the rear end of electrostatic coalescence electrode group, improved the dewatering efficiency of electrostatic coalescence electrode group.
3, adopt the electrostatic coalescence electrode of unlike material, can be used in water ratio, also can be applied to water ratio less than 70% dehydrating of crude oil less than 30% dehydrating of crude oil.
Description of drawings
Fig. 1-structural representation of the present invention;
Fig. 2-electrostatic coalescence electrode group structure synoptic diagram;
The right view of Fig. 3-Fig. 2;
The vertical view of Fig. 4-Fig. 2;
1-electrostatic coalescence water distributing can housing among the figure, 2-oil-in, 3-manhole, 4-import oil and gas and water stream plate, 5-venting port; 6-electrostatic coalescence electrode assemblie, 7-insulated electrode, 8-outlet oil and gas and water stream plate, 9-oil outlet; Slideway is installed in the 10-dewatering outlet in the 11-sewage draining exit, 12-jar, the 6-1-electrode is installed supporting seat; 6-2-electrode insulation strut member, 6-3-negative potential, 6-4-flow-stopping plate, 6-5-positive electrode; The 6-6-electrode is installed cross-arm, 6-7-electrode group sliding pair, 6-8-positive electrode connection terminal, 6-9-negative potential connection terminal.
Embodiment
For further disclosing technical scheme of the present invention,,, elaborate through embodiment below in conjunction with Figure of description:
As shown in Figure 1; The present invention is made up of electrostatic coalescence water distributing can housing 1, oil-in 2, manhole 3, import oil and gas and water stream plate 4, venting port 5, electrostatic coalescence electrode assemblie 6, insulated electrode 7, outlet oil and gas and water stream plate 8, oil outlet 9, dewatering outlet 10, sewage draining exit 11, jar interior slideway 12 of installing; It is characterized in that electrostatic coalescence water distributing can housing 1 is horizontal pressure vessel; One end of cylindrical shell is that flange connects, and the other end is an end socket.The retort end socket is provided with manhole 3, is welded with the oil-in 2 that injects enclosure interior in the middle and lower part of seal head end cylindrical shell; In the electrostatic coalescence jar, the direction of oil-in 2 is perpendicular to the axis and the horizontal arrangement of electrostatic coalescence jar, is provided with import oil and gas and water stream plate 4 at the front end of electrostatic coalescence assembly; Be provided with electrostatic coalescence electrode group 6 at the middle part of electrostatic coalescence assembly; Be provided with outlet oil and gas and water stream plate 8 in the rear end of electrostatic coalescence electrode assemblie, be provided with venting port 5, be provided with 2 sewage draining exits 11 in the bottom of cylindrical shell at the top of cylindrical shell; Be provided with dewatering outlet 10 in the bottom of cylindrical shell; Slideway 12 is installed in the bottom of cylindrical shell is provided with jar, is provided with oil outlet 9 on the top of flange seal head end, the interior electrostatic coalescence electrode group 6 of electrostatic coalescence jar and insulated electrode 7 are connected by insulated conductor.When using, the present invention is connected on the oil processing plant in-line; High-frequency electrostatic coalescence power supply is introduced electrostatic coalescence electrode group by the insulated electrode on the electrostatic coalescence water distributing can, and the voltage and current on the electrostatic coalescence electrode group is regulated by the electrostatic coalescence electrical power control cabinet.Wet oil flows out along the oil inlet pipe horizontal direction after getting into the electrostatic coalescence jar; Through flowing into electrostatic coalescence electrode group uniformly after the rectification of oil and gas and water stream plate; Under the effect of high-frequency impulse electric field between electrostatic coalescence electrode group positive and negative electrode; Droplet carries out the voltolisation knot in the milk sap, makes the droplet coalescence become large water drop, from oil, water emulsion, separates fast.Cleaned crude oil behind the branch water flows out the electrostatic coalescence water distributing can from oil outlet after the rectification of fuel-displaced oil and gas and water stream plate, the water of from wet oil, deviating from flows out the electrostatic coalescence water distributing can from the dewatering outlet.Serial number name among Fig. 2,3,4 is that 6-1 is that electrode is installed supporting seat, 6-2 is that electrode insulation strut member, 6-3 are that negative potential, 6-4 are that flow-stopping plate, 6-5 are that positive electrode, 6-6 are that electrode is installed cross-arm, 6-7 is that electrode group sliding pair, 6-8 are that positive electrode connection terminal, 6-9 are the negative potential connection terminal.
Claims (4)
1. crude oil electrostatic coalescence water trap; Comprise high-frequency electrostatic coalescence electrical power control cabinet and electrostatic coalescence water distributing can, it is characterized in that: the electrostatic coalescence water distributing can is a horizontal pressure vessel, is provided with manhole in the heart in the tank body left end end socket; Side at left end socket is provided with oil-in; Be provided with oil outlet in right-hand member end socket left upper portion, be provided with electrostatic coalescence electrode group at the middle part of tank body, be provided with oil and gas and water stream plate on vertical in electrostatic coalescence electrode group both sides; Below electrostatic coalescence electrode group, be provided with slideway; Be provided with the air outlet at the upper top of tank body middle part, be provided with two sewage draining exits and a water outlet by preface, be provided with the insulated electrode open hole in the upper right corner of electrostatic coalescence electrode group at the lower bottom part of tank body; Right oil and gas and water stream plate right side tank body part is made as split, between flange connect.
2. crude oil electrostatic coalescence water trap according to claim 1; It is characterized in that: its electrostatic coalescence electrode group comprises electrode installation supporting seat; Electrode insulation strut member, negative potential, positive electrode, flow-stopping plate, electrode are installed cross-arm, and positive electrode connection terminal and negative potential connection terminal are installed 2-10 negative potential of parallel installation between the cross-arm at the electrode supporting seat with electrode; Positive electrode of parallel installation between per two negative potentials; The two ends up and down of each positive electrode are provided with the electrode insulation strut member, with electrode supporting seat are installed respectively through the electrode insulation strut member and are connected with electrode installation cross-arm, install on the cross-arm at electrode and are provided with the negative potential connection terminal; On positive electrode, be provided with the positive electrode connection terminal, install between supporting seat and the electrode installation cross-arm at electrode and be provided with the outside flow-stopping plate of arc.
3. electrostatic coalescence electrode group according to claim 1 and 2; It is characterized in that: its positive electrode and negative potential are made as the rectangular flat plate electrode; The upper and lower ends of negative potential is installed cross-arm with electrode respectively and with electrode the supporting seat welding is installed, and installs on cross-arm and the electrode installation supporting seat and parallelly connected positive electrode constitutes one group of electrostatic coalescence electrode group with insulating mounting at electrode.
4. electrostatic coalescence electrode assemblie according to claim 3 is characterized in that: its positive and negative electrode is selected water wetted material for use, utilizes electrostatic coalescence between the positive and negative electrode, the physics coalescence of electrode surface, and the wet oil dewatering speed is fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281881.XA CN102827630B (en) | 2012-08-09 | 2012-08-09 | Electrostatic coalescence water knockout drum for crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281881.XA CN102827630B (en) | 2012-08-09 | 2012-08-09 | Electrostatic coalescence water knockout drum for crude oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102827630A true CN102827630A (en) | 2012-12-19 |
| CN102827630B CN102827630B (en) | 2014-06-11 |
Family
ID=47330945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210281881.XA Expired - Fee Related CN102827630B (en) | 2012-08-09 | 2012-08-09 | Electrostatic coalescence water knockout drum for crude oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102827630B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464522A (en) * | 1992-11-23 | 1995-11-07 | Edmondson, Jerry M | Electrostatic oil emulsion treating method and apparatus |
| CN2813618Y (en) * | 2005-07-07 | 2006-09-06 | 镇江金门实业有限公司 | High-speed electrostatic desalting and dewatering equipment for crude oil |
| CN101173182A (en) * | 2007-06-02 | 2008-05-07 | 中国石油大学(华东) | Novel crude oil emulsion electrostatic dehydrator |
| CN201501845U (en) * | 2009-09-23 | 2010-06-09 | 北京石油化工学院 | Novel efficient electric crude oil dehydration and desalination equipment |
| CN102021019A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Novel high-efficiency crude oil electric dehydration and desalination method and equipment |
| CN202849337U (en) * | 2012-08-09 | 2013-04-03 | 中国石油化工股份有限公司 | Electrostatic coalescence water segregator for crude oil |
-
2012
- 2012-08-09 CN CN201210281881.XA patent/CN102827630B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464522A (en) * | 1992-11-23 | 1995-11-07 | Edmondson, Jerry M | Electrostatic oil emulsion treating method and apparatus |
| CN2813618Y (en) * | 2005-07-07 | 2006-09-06 | 镇江金门实业有限公司 | High-speed electrostatic desalting and dewatering equipment for crude oil |
| CN101173182A (en) * | 2007-06-02 | 2008-05-07 | 中国石油大学(华东) | Novel crude oil emulsion electrostatic dehydrator |
| CN201501845U (en) * | 2009-09-23 | 2010-06-09 | 北京石油化工学院 | Novel efficient electric crude oil dehydration and desalination equipment |
| CN102021019A (en) * | 2009-09-23 | 2011-04-20 | 北京石油化工学院 | Novel high-efficiency crude oil electric dehydration and desalination method and equipment |
| CN202849337U (en) * | 2012-08-09 | 2013-04-03 | 中国石油化工股份有限公司 | Electrostatic coalescence water segregator for crude oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102827630B (en) | 2014-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103695029B (en) | High-frequency electric collective oil-gas-water three-phase flow separator | |
| CN101173182B (en) | Novel crude oil emulsion electrostatic dehydrator | |
| CN102021019A (en) | Novel high-efficiency crude oil electric dehydration and desalination method and equipment | |
| CN102021018A (en) | Novel and efficient electrostatic pre-coalescence method and device applied to dehydration and desalt of crude oil | |
| CN103343017B (en) | Quick electrostatic agglomerate separating device and process | |
| CN202849337U (en) | Electrostatic coalescence water segregator for crude oil | |
| CN102373076B (en) | Updated heavy oil desalting and dewatering device | |
| CN201501844U (en) | Novel efficient static pre-coalescence equipment for dehydration and desalination of crude oil | |
| CN102827630B (en) | Electrostatic coalescence water knockout drum for crude oil | |
| CN201501845U (en) | Novel efficient electric crude oil dehydration and desalination equipment | |
| CN103450927B (en) | A kind of Dehydration plant for complex electric field | |
| CN207016726U (en) | High water-content crude oil purifier and high water-content crude oil cleaning system | |
| RU2342422C2 (en) | Method of purification of liquid hydrocarbons from sulphur and facility for implementation of this method | |
| CN201933059U (en) | Efficient skid-mounted electric dehydrator device for crude oil | |
| CN204779489U (en) | Diesel oil dewatering device | |
| CN104807626A (en) | Real-liquid flowing electrical dewaterer evaluation device | |
| CN203474722U (en) | Compound electric field dehydration device | |
| RU2718933C1 (en) | Electric dehydrator | |
| CN202730080U (en) | Electro-desalting dehydrater | |
| CN203700285U (en) | High-frequency electric coalescing oil-gas-water three-phase flow separator | |
| CN115873628A (en) | Efficient electric desalting and dewatering equipment and method | |
| CN201538757U (en) | Novel oil inlet distribution device for electric desalting and electric dehydration | |
| CN207998583U (en) | A kind of transformer external electrostatic coalescer | |
| CN103773428B (en) | A kind of high efficiency electrical desalting and dehydration equipment and application | |
| CN105176578A (en) | Crude oil electrical desalting and dewatering device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20170809 |