CN203487101U - Combined electrode for electrostatic dehydration of high-water-content crude oil - Google Patents
Combined electrode for electrostatic dehydration of high-water-content crude oil Download PDFInfo
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- CN203487101U CN203487101U CN201320343827.3U CN201320343827U CN203487101U CN 203487101 U CN203487101 U CN 203487101U CN 201320343827 U CN201320343827 U CN 201320343827U CN 203487101 U CN203487101 U CN 203487101U
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Abstract
The utility model relates to a combined electrode for electrostatic dehydration of high-water-content crude oil. The combined electrode comprises insulating electrode assemblies, an upper-layer metal bare electrode, a lower-layer metal bare electrode and a sealed junction box, wherein the upper-layer metal bare electrode and the lower-layer metal bare electrode are fixed on the upper and lower end faces of the sealed junction box through U-shaped fasteners to form bare electrode layers, respectively; the insulating electrode assemblies are mounted on the front and rear panels of the sealed junction box through insulating elements to form insulating electrode layers, respectively; the insulating electrode layers are parallel to the bare electrode layers. The combined electrode is applicable to the separation operation of the high-water-content crude oil without the risk of electric leakage; at the same time, the oil-water separation efficiency is improved under the action of an electric field.
Description
Technical field
The utility model relates to petrochemical equipment, refers to especially a kind of high water-content crude oil static dehydration combined electrode.It is suitable for oil field mining liquid processed, electrical desalting/dewatering is used as horizontal electrode in processing, the dehydration that is particularly suitable for high water cut produced fluid or produces emulsion.
Background technology
In recent years, along with the aggravation of crude oil in poor quality trend, land and offshore oilfield Deep mining, deep water oil field and marginal oil field, the oily water separation technique of traditional triphase separator+heat chemistry settling+electro-dewatering cannot meet the qualified outer defeated requirement of crude oil.Because conventional separation method separation efficiency is low, after I and II separation, crude oil water containing is still higher, the crude oil water containing that often causes entering electro-dewatering equipment is high, thereby cause electric current superelevation in electrical desalter, even tripping operation, there is huge potential safety hazard, only by conventional adjustment operation condition, change separator and electro-dewatering tank inner electrode and layout, cannot deal with problems.Meanwhile, due to the exploitation of high water cut oil field, conventional separator size is increased greatly, be badly in need of exploitation high efficiency oil/water separator.And in separator, increase electrode, and utilize electrostatic coalescence principle to improve separation efficiency, this all needs development of new can be applied to the electrode structure of high aqueous environment and suitable electric field distribution.
Summary of the invention
For the problems referred to above, main purpose of the present utility model is to provide a kind of high water-content crude oil static dehydration combined electrode, can be applied to the detached job of high water-content crude oil and the risk of not leaking electricity relies on electric field action simultaneously, improves oily water separation efficiency.
For achieving the above object, a kind of high water-content crude oil static dehydration combined electrode provided by the utility model, it is characterized in that comprising: insulated electrode assembly, upper strata bare metal electrode, lower metal bare electrode and airtight link box, wherein said upper strata bare metal electrode and lower metal bare electrode fasten on described airtight link box's upper and lower end face by U-shaped respectively, form bare electrode layer; On described airtight link box's front and back panel, by insulating part, described insulated electrode assembly is installed respectively, form insulated electrode layer, and described insulated electrode layer is parallel with described bare electrode layer.
In above-mentioned the technical solution of the utility model, described insulated electrode assembly comprises insulated electrode bar, free end and terminals, and described free end adopts epoxy resin direct pouring sealing, or takes insulating material to make band plug and matching nut fit sealing; Described terminals adopt insulating material to be fixedly mounted on described airtight line case by screw thread.
Described insulated electrode bar is comprised of internal metal rod and external insulation, and described external insulation is individual layer, bilayer or multilayered structure.
The material of described external insulation is one or more insulating material that comprise in tetrafluoroethylene, fluoroplastics, viton, epoxy resin, synthetic glass, pottery or glass, by coating, spraying, pyrocondensation and/or casting process, is coated on described internal metal rod surface.
Described airtight link box adopts resistant metal material to make, metalwork is housed in inside and high pressure is introduced junction pole, the two vertically connects, described metalwork is circular metal bar, square metal bar or other shapes, described metalwork connects into the insulated electrode bar of described insulated electrode assembly a level integral body in described airtight link box, introduce junction pole with described high pressure simultaneously and be connected, high voltage electric is caused on described insulated electrode bar.
The insulated enclosure of described insulated electrode assembly and web member adopt insulating material tetrafluoroethylene or nylon to make.
Adopt technique scheme, the utlity model has following beneficial effect: (1) combined electrode of the present utility model adopts insulated electrode, overcome the easily shortcoming of conduction of metal electrode, can be applied in any water content crude oil, by electric field action, accelerate water droplets coalescence settlement separate, effectively improve oily water separation efficiency; (2) between insulated electrode, connection and high pressure introducing are connected in airtight link box with insulated electrode, and structural safety is reliable; (3) combined electrode structure flexible design of the present utility model, can adjust the battery lead plate number of plies and strong and weak electricity field distribution flexibly according to raw material water content and processing requirements, reaches multistage dehydrating effect.
Accompanying drawing explanation
Fig. 1 is the utility model combined electrode structure schematic diagram;
Fig. 2 is that the axle of Fig. 1 is looked schematic diagram;
Fig. 3 is insulated electrode bar section figure.
In figure, each mark is as follows: 1-insulated electrode assembly, 2-upper strata bare metal electrode, 3-lower metal bare electrode, the airtight link box of 4-, 5-insulated electrode bar, 6-free end, 8-terminals, 10-metalwork, 11-high pressure are introduced junction pole, 51-internal metal rod, 52-external insulation.
Embodiment
Now lift following examples and by reference to the accompanying drawings structure of the present utility model and effect be elaborated.
As shown in Figure 1, be the structural representation of combined electrode of the present utility model.The structure of combined electrode provided by the utility model is leveling board structure, it mainly comprises insulated electrode assembly 1, upper strata bare metal electrode 2, lower metal bare electrode 3 and airtight link box 4 in the middle of being arranged on, and insulated electrode assembly 1 is arranged between upper strata bare metal electrode 2 and lower metal bare electrode 3.Wherein:
Insulated electrode assembly 1 comprises insulated electrode bar 5, free end 6 and terminals 8, as shown in Figure 3, insulated electrode bar 5 is comprised of internal metal rod 51 and external insulation 52, and external insulation 52 is according to material therefor characteristic, can be individual layer, can be also bilayer or multilayered structure.The sealing of free end 6 can adopt epoxy resin direct pouring sealing, also the mode that can take insulating material to make with plug and matching nut fit sealing seals, and the present embodiment is to adopt insulating material to make the mode with plug and matching nut fit sealing.Terminals 8 adopt insulating material to be fixedly mounted on airtight line case 4 by screw thread.
Airtight link box 4 adopts resistant metal material to make, and metalwork 10 is housed in inside and high pressure is introduced junction pole 11, and the two adopts screw thread to be vertically fixedly connected with.As shown in Figure 2, metalwork 10 can be circular metal bar, square metal bar or other shapes, on the one hand insulated electrode bar 5 is connected in airtight link box 4 to a level integral body, by introducing junction pole 11 with high pressure, be connected on the other hand, high voltage electric is caused on insulated electrode bar 5.
Describe the installation mode of connection of combined electrode of the present utility model below in detail.
As shown in Figure 1, upper strata bare metal electrode 2 and lower metal bare electrode 3 fasten on airtight link box's 4 upper and lower end face by U-shaped respectively, form bare electrode layer.On airtight link box's 4 front and back panel, be separately installed with an insulated electrode assembly 1, the terminals 8 of two insulated electrode assemblies 1 are fixed on airtight link box's 4 front and back panel by insulating part respectively, form insulated electrode layer, and the insulated electrode layer after installing is parallel with bare electrode layer.
What need to further illustrate is, the material of the external insulation 52 of the utility model insulated electrode bar 5 can be selected the multiple insulating material such as tetrafluoroethylene, fluoroplastics, viton, epoxy resin, synthetic glass, pottery, glass, by kinds of processes such as coating, spraying, pyrocondensation, casting, is coated on internal metal rod 51 surfaces.
In the utility model, the insulated enclosure of combined electrode assembly and web member material can select the insulating material such as tetrafluoroethylene, nylon and epoxy resin to process.
And bare electrode in the utility model and spacing and the number of plies of insulated electrode assembly can design according to processing materials character.Can be designed to bilayer, three layers and multilayer electric field structure, distance between bare electrode and insulated electrode also can design as required, if employing double-field structure, can be designed to the uniform electric field that power-on and power-off intensity of field is identical, also can be designed to lower weak strong electric field structure.If adopt three layers of electric field structure, can be designed to three layers of uniform electric field that strength of electric field is identical, also can be designed to lower weak in weak strong electric field structure, or the lower strong multiple electric field distribution structure such as weak in weak.Adapt to different moisture content emulsion in the multistage dehydration of different electric field regions, make full use of between limited electric field region, reach multistage strengthen dewatering effect.
Claims (6)
1. a high water-content crude oil static dehydration combined electrode, it is characterized in that comprising: insulated electrode assembly, upper strata bare metal electrode, lower metal bare electrode and airtight link box, wherein said upper strata bare metal electrode and lower metal bare electrode fasten on described airtight link box's upper and lower end face by U-shaped respectively, form bare electrode layer; On described airtight link box's front and back panel, by insulating part, described insulated electrode assembly is installed respectively, form insulated electrode layer, and described insulated electrode layer is parallel with described bare electrode layer.
2. high water-content crude oil static dehydration combined electrode as claimed in claim 1, it is characterized in that: described insulated electrode assembly comprises insulated electrode bar, free end and terminals, described free end adopts epoxy resin direct pouring sealing, or takes insulating material to make band plug and matching nut fit sealing; Described terminals adopt insulating material to be fixedly mounted on described airtight line case by screw thread.
3. high water-content crude oil static dehydration combined electrode as claimed in claim 2, is characterized in that: described insulated electrode bar is comprised of internal metal rod and external insulation, and described external insulation is individual layer, bilayer or multilayered structure.
4. high water-content crude oil static dehydration combined electrode as claimed in claim 3, it is characterized in that: the material of described external insulation is the insulating material that comprises tetrafluoroethylene, fluoroplastics, viton, epoxy resin, synthetic glass, pottery or glass, by coating, spraying, pyrocondensation and/or casting process, be coated on described internal metal rod surface.
5. high water-content crude oil static dehydration combined electrode as claimed in claim 1 or 2, it is characterized in that: described airtight link box adopts resistant metal material to make, metalwork is housed in inside and high pressure is introduced junction pole, the two vertically connects, described metalwork is circular metal bar or square metal bar, described metalwork connects into the insulated electrode bar of described insulated electrode assembly a level integral body in described airtight link box, introduce junction pole with described high pressure simultaneously and be connected, high voltage electric is caused on described insulated electrode bar.
6. high water-content crude oil static dehydration combined electrode as claimed in claim 1, is characterized in that: the insulated enclosure of described insulated electrode assembly and web member adopt insulating material tetrafluoroethylene or nylon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343827.3U CN203487101U (en) | 2013-06-17 | 2013-06-17 | Combined electrode for electrostatic dehydration of high-water-content crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343827.3U CN203487101U (en) | 2013-06-17 | 2013-06-17 | Combined electrode for electrostatic dehydration of high-water-content crude oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203487101U true CN203487101U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320343827.3U Withdrawn - After Issue CN203487101U (en) | 2013-06-17 | 2013-06-17 | Combined electrode for electrostatic dehydration of high-water-content crude oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203487101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305262A (en) * | 2013-06-17 | 2013-09-18 | 中国海洋石油总公司 | Composite electrode for electrostatically dehydrating high-water-content crude oil |
-
2013
- 2013-06-17 CN CN201320343827.3U patent/CN203487101U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305262A (en) * | 2013-06-17 | 2013-09-18 | 中国海洋石油总公司 | Composite electrode for electrostatically dehydrating high-water-content crude oil |
| CN103305262B (en) * | 2013-06-17 | 2015-09-30 | 中国海洋石油总公司 | High water-content crude oil electrostatic dehydration combined electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150930 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |