CN106833728B - Tilt tubular type row-column electrode formation online apparatus for electrodewatering under water - Google Patents
Tilt tubular type row-column electrode formation online apparatus for electrodewatering under water Download PDFInfo
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- CN106833728B CN106833728B CN201710139816.6A CN201710139816A CN106833728B CN 106833728 B CN106833728 B CN 106833728B CN 201710139816 A CN201710139816 A CN 201710139816A CN 106833728 B CN106833728 B CN 106833728B
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- electrode
- pipe
- feed liquor
- current stabilization
- dehydration
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- 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
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- 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
-
- 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
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
Abstract
Tubular type row-column electrode formation online apparatus for electrodewatering under water, the underwater direct electric dehydration applied to crude oil after pre-separation are tilted the present invention provides a kind of.The underwater online apparatus for electrodewatering organically combines the vertical and horizontal ON-LINE SEPARATION of crude oil with parallel high voltage electric field dehydration technique, and according to tubular constructions and determinant electrode formation is tilted, realization grease efficiently separates and underwater fast dewatering；The crude oil emulsion of formation by crude oil and demulsifier after current stabilization bar and the stirring pre-separation of current stabilization impeller and is adjusted to uniform flow by flow straightener, and then crude oil emulsion reintegrates into steady flow by feed liquor wheel shaft and feed liquor wheel；Determinant bare electrode is using determinant electrode formation and generates parallel high voltage electric field, thus implements the parallel high voltage electric field crude oil fast dewatering of determinant, the remaining water phase after removing pre-separation in crude oil in dehydration separating pipe；The qualified crude oil of oil exit pipe discharge, and drainpipe then discharges the low production water of oil content according to anti-turbine and anti-turbine wheel shaft and prevents its from generating whirlpool.
Description
Technical field
The present invention relates to the devices of electric dehydration direct under crude water after a kind of ocean engineering field pre-separation, particularly relate to
And a kind of subsea production system tilts the online apparatus for electrodewatering of tubular type row-column electrode formation.
Background technology
At present, domestic and international offshore platform and the typical oil vapor treatment auxiliary facility of land oil recovery factory and chemical plant are " oil
Well produces liquid → standpipe → offshore platform manifold → three phase separator → secondary heater → heat chemistry separator → booster pump → electricity
Dehydrator ", wherein electrical oil dewatering water technology mainly use the electric dehydrator of conventional canister, using electric field to crude oil demulsification,
And implement separation sedimentation to the particle water in oil, entire electrical oil dewatering water treatment facilities are bulky and disengaging time is longer；This
Outside, the flow before electrical oil dewatering water process is complex, and the excess loss such as defeated electric energy and thermal energy in separating treatment of collection are tight
The thermal energy supply of the electric load and heat stations facility of offshore platform power station facility has been significantly greatly increased in weight.
In order to meet the needs of marine deepwater and marginal oil field, based on can promote to disperse to appropriate turbulent flow
The full appreciation of the problems such as collision of phase particle water, coalescence, researcher's breakthrough of some American-European oil big countries was conventional former in recent years
The inertial thinking pattern of oil dehydrator structure design, it is proposed that particle water coalescence is grown up what is separated with two processes of gravitational settling
Dehydration scheme, i.e. compact crude oil dehydration technique, corresponding mainstream product include FMC Technologies companies of the U.S.
It is inline electricity coalescer (InLine ElectroCoalescer), Kvaerner Process Systems companies of Norway it is compact
The defects of type electricity coalescer (Compact Electrostatic Coalescer) etc., the technology is that compact dehydration tank body leads to
Frequently with horizontal, the particle water to become larger is coalesced in electric field to be ruptured again due to shear action, so as to affect below
The separation processes such as gravitational settling and separating effect.However, domestic only a few scientific research institutions just begin to focus on high-efficiency compact in recent years
Type oily water separation technique, wherein the research to offshore platform compact electric dehydration technology is still in the experimental study stage；Meanwhile needle
The research of dedicated electric dehydration separation equipment to subsea production system, both at home and abroad also in the rank of starting and laboratory research
Section.
As a result, by being actively developed the underwater online apparatus for electrodewatering of compact efficient, at existing offshore platform oil gas
Reason system is reduced to the online electric dehydration piece-rate system of submarine pipeline, while the big tank body of conventional electric dehydrator is become tubular type knot
Structure, the drawbacks of effectively to solve conventional processing systems and its related facility floor space and big weight；Moreover, entire underwater electricity
Dehydration device is arranged using tilting, effectively overcomes horizontal separator oil-water interfaces and water out apart from short, disengaging time is not
The shortcomings of abundant；Meanwhile entire underwater apparatus for electrodewatering also uses determinant electrode formation so that the operation of crude oil dehydration
Energy consumption is remarkably decreased, and finally realizes that underwater grease efficiently separates, and is reached and is promoted deepwater especially deep water marginal oil field
The purpose of benefit.
Invention content
In order to overcome existing crude oil of offshore platform electric dehydration treatment facility there are the defects of and deficiency, and improve underwater online
Present Research of the electric dehydration isolation technics still in starting and experimental stage is suitble to underwater raw the object of the present invention is to provide one kind
The online apparatus for electrodewatering of inclination tubular type row-column electrode formation of crude oil Direct Dehydration after production system pre-separation.The underwater online electricity
Dehydration device organically combines the vertical and horizontal ON-LINE SEPARATION of crude oil with parallel high voltage electric field fast dewatering technology, realizes Submarine Pipeline
The online installation and operation in road, and tubular constructions and determinant electrode formation are tilted according to it, have grease efficiently separate, crude water
The features such as lower fast dewatering, crude oil water content are low, production water oil content is low.
The technical solution adopted by the present invention to solve the technical problems is a kind of inclination tubular type row-column electrode formation water of exploitation
Online apparatus for electrodewatering down, mainly by determinant bare electrode, dehydration separating pipe, flow straightener, inlet tube, drainpipe and oil exit pipe group
It is sufficiently mixed into, crude oil after pre-separation through flow straightener and demulsifier and forms crude oil emulsion and be adjusted to uniform flow, then
Dehydration separating pipe is entered by inlet tube, implements the parallel high voltage electric field crude oil fast dewatering processing of determinant, directly removing is pre- under water
Remaining water phase after separation in crude oil, treated that qualified crude oil comes together in oil pipeline through oil exit pipe for electric dehydration, and oil-containing
The low production water of rate then comes together in water delivery manifold through drainpipe.
The material for being dehydrated separating pipe main element uses stainless steel and inner liner metal ceramics, while entire body coating glass glue,
And flow straightener, inlet tube, drainpipe and oil exit pipe material select bidirectional stainless steel, while entire body coating glass glue.
Dehydration separating pipe and its interior determinant bare electrode are in tilted layout, and the angle being dehydrated between the axis of separating pipe and horizontal plane is
30 °~40 °, flow straightener is vertically upwardly disposed, while the mutual keeping parallelism of the axis of drainpipe and oil exit pipe, and
The axis for being dehydrated separating pipe, flow straightener, inlet tube, drainpipe and oil exit pipe is on same plane.
Flow straightener, which both is used for stirring the crude oil after pre-separation and demulsifier and ensure, to be sufficiently mixed, while will shape after mixing
Into crude oil emulsion be adjusted to uniform flow to play the role of current stabilization, it includes current stabilization bar, current stabilization impeller, current stabilization tube body and into broken
Emulsion pipe.Current stabilization tube body uses the long tube body of vertical cylindrical, be equipped in the middle part of the tube chamber of current stabilization tube body it is horizontal positioned into demulsifier pipe,
And current stabilization impeller and current stabilization bar are accommodated in the tube chamber of current stabilization tube body, while that liquid pipe is repeatedly kicked into and on by ring flange is same for current stabilization tube body
At present the outlet tube of level-one preseparator is connected, so as to which underwater online electric dehydrator and upper level preseparator are connected in one
It rises.
Current stabilization bar is composed of upper cone, cylinder and lower cone, and axis is overlapped with the axis of flow straightener, current stabilization bar
Crude oil after pre-separation is smoothly drained on current stabilization impeller by lower cone, and the upper cone of current stabilization bar is then used for avoiding emulsification of crude oil
Liquid locally generates vortex after leaving current stabilization impeller, and the tall and big cone in its lower cone of upper cone cone of current stabilization bar is high, and on current stabilization bar
The big end disc diameter of cone and lower cone is equal to the outer diameter of current stabilization roofbolt body；The upper surface of current stabilization tube body, current stabilization leaf simultaneously
The upper surface of wheel and the big end disc of current stabilization bar upper cone keep concordant each other, and the lower face of current stabilization impeller and current stabilization
The big end disc flush of bar lower cone.
Current stabilization impeller is formed by 8~12 along the evenly distributed current stabilization blade of the external anchor ring of current stabilization roofbolt, current stabilization blade and blade
The top of top surface is lining in by being interference fitted in the tube chamber of barretter body outside, at the same the middle part of its leaf top surface and its underpart with it is steady
It is gap-matched between the tube chamber of flow tube body, and the blade root face of current stabilization blade is inscribed in by circumferential weld on current stabilization bar.Surely
Flow blade using composite surface, and the middle and upper part of current stabilization blade and middle and lower part using two it is oppositely oriented and be arranged symmetrically up and down
Helical blade, and then constantly change the flow direction and flow velocity of crude oil and demulsifier after pre-separation, to ensure that two kinds of liquid are fully mixed
It closes.The starting point of helical blade contour line and the tangent line of terminal point under the upper helical blade of current stabilization blade middle and upper part and its middle and lower part
With the axis keeping parallelism of current stabilization bar, and into outlet pipe section and upper helical blade and the lower helical blade junction of demulsifier pipe
The blade face at place keeps tangent, to ensure that demulsifier can be smoothly introduced into flow straightener；The top of current stabilization blade is under simultaneously
Portion is using straight plate type vane, and crude oil and flow straightener exit are flowed out mixed after the pre-separation that thus flow straightener inlet flows into
Crude oil emulsion can be adjusted to stable uniform flow after conjunction.
Inlet tube is mixed in inlet tube by welding and upper even dehydration separating pipe and connecing flow straightener and under by flange
It is reintegrated after crude oil emulsion adjustment flow direction and becomes steady flow, inlet tube includes feed liquor bend pipe, feed liquor wheel shaft and feed liquor wheel.
Feed liquor bend pipe uses bent tubular body, and the axis of entrance pipeline section overlaps with the axis of flow straightener, and the axis of its outlet pipe section then with
Intersect vertically arrangement between the axis of dehydration separating pipe, to ensure that crude oil emulsion can be smoothly introduced into after being integrated into steady flow
It is dehydrated in the tube chamber of separating pipe, while feed liquor wheel shaft and feed liquor wheel is accommodated in the outlet pipe section of feed liquor bend pipe.
Feed liquor wheel shaft and feed liquor wheel are used for crude oil emulsion being integrated into steady flow, while the stream to keep crude oil emulsion
The general character, feed liquor wheel shaft uses thin-wall circular tube, and feed liquor wheel shaft and the outlet pipe section of feed liquor bend pipe are coaxially arranged.Feed liquor wheel passes through weldering
It connects and is inscribed on feed liquor wheel shaft and by being interference fitted the tube wall to be lining in feed liquor bend pipe outside, feed liquor wheel is by 6~8 along feed liquor wheel
The evenly distributed feed liquor blade composition of the outer circular cylinder of axis, feed liquor blade use straight plate type vane, and feed liquor blade is along feed liquor wheel shaft axis
To cross section in class isosceles trapezoid, and in it is wide outer narrow, to ensure the rigidity of feed liquor blade and intensity, while keep feed liquor leaf
The oil film that on piece is continuous and stablizes.Moreover, the two side ends of feed liquor blade along feed liquor axle axial use section as isoceles triangle
The cutting-edge structure of shape, and feed liquor wheel shaft uses Taper Pipe close to the side of feed liquor bend pipe entrance pipeline section, farthest to reduce
Friction loss when feed liquor wheel and feed liquor wheel shaft is cut and flowed out to crude oil emulsion.In addition, feed liquor wheel is close to feed liquor bend pipe entrance
The side end face of pipeline section and the big end disc flush of feed liquor wheel shaft Taper Pipe, and each feed liquor blade in feed liquor wheel and feed liquor wheel shaft
Another side end face keeps concordant.
Determinant bare electrode uses determinant electrode formation, and parallel high voltage electric field is formed in determinant electrode formation,
Particle water in parallel high voltage electric field after pre-separation in crude oil emulsion is coalesced and is grown up rapidly, thus implements the parallel height of determinant
The processing of piezoelectric field crude oil fast dewatering, determinant bare electrode include terminal box, electrode terminal, electrode plate, high-field electrode, ground connection electricity
Pole and support plate.
High-field electrode and grounding electrode are using bare electrode, the copper pipe of material selection, and the caliber of high-field electrode is big
In the caliber of grounding electrode.Meanwhile high-field electrode detaches the laterally equidistantly line arrangement of tube section along dehydration, and divides along dehydration
Longitudinally asymmetric layering column arrangement from tube section, all high-field electrodes show the neat electrode formation of ranks on the whole.This
Outside, grounding electrode is also using the laterally equidistant determinant electrode formation arranged with longitudinally asymmetric layered arrangement, and high-field electrode
And grounding electrode forms the equal interlaced arrangement of each electrode between row in the ranks in electrode formation.
The lower end of high-field electrode uses hemispherical cecum structure, and is fixed in support plate by threaded fastener, and
The outer surface of high-field electrode upper end uniformly coats the insulating materials of polytetrafluoroethylene (PTFE), and the upper end penetrating electrode plate of high-field electrode is followed by
In on corresponding electrode terminal.Meanwhile the lower end of grounding electrode also uses hemispherical cecum structure, and by being interference fitted and solid
Due in support plate, and the upper end of grounding electrode is then positioned directly in by leakproofness pipe screw thread on electrode plate.
Electrode plate realizes determinant bare electrode as high-field electrode and the motherboard of grounding electrode determinant electrode formation
With the sealing between dehydration separating pipe, it is constructed using copper ring flange, and with being dehydrated together with separating pipe through ground terminal ground,
The circular aperture with high-field electrode same position and specification size is drilled on electrode plate, and vehicle is formed with and grounding electrode same position
With the leakproofness pipe thread hole of specification size.
Support plate by one group of bar shaped support plate monomer composition, in support plate with the joining support plate monomer of high-field electrode
On be drilled with the big hole equidistantly arranged, and be then drilled on the joining support plate monomer of grounding electrode equidistantly arrange it is small
Circular hole, and support plate monomer joining with high-field electrode and used between each other with the joining support plate monomer of grounding electrode
It is arranged every the mode of a cloth one.It is extended through on each self-supporting slab monomer with the lower part of grounding electrode per horizontal high voltage electrode
Big hole and small sircle hole avoid the end of electrode being caused to be in contact each other since temperature rises variation in dehydration process.
Gap is maintained between support plate monomer simultaneously, and the both ends of each support plate monomer are drilled with rectangle eyelet, in order to maximum
Ensure to limit the mobility of each phase in crude oil emulsion dehydration.
Another side of each electrode terminal of high-field electrode upper end connection is compiled in a high undersea hydrostatic pressures cable, and after through wiring
Box draws and is connected with the transformer of offshore platform.Terminal box uses cylindricality tubular structure, and passes through electrode plate and double end spiral shell
Determinant bare electrode is connected in dehydration separating pipe by column.
Implement underwater online electric dehydration separating treatment, the remaining water phase after removing pre-separation in crude oil in dehydration separating pipe.
The left-hand end of dehydration separating pipe sets electrode plate and is connected with determinant bare electrode, and its right-hand end passes through ring flange and drainpipe
It is connected, so as to which separating pipe packing will be dehydrated into independent airtight chamber.It is dehydrated separating pipe and uses split type isometrical heavy wall tube body, it
Including left supervisor, middle supervisor and right supervisor, and each split type tube body is linked together each other by ring flange, is dehydrated separating pipe
Lumen diameter be more than the caliber of flow straightener and inlet tube, and its tube chamber is followed successively by the electric dehydration where left supervisor from left to right
The production pool where Gravity Separation area and right supervisor where area, middle supervisor.
The particle water of crude oil emulsion rapidly grow up and decline by coalescence after pre-separation in the parallel high voltage electric field in electric dehydration area
To Gravity Separation area, and the oil phase in crude oil emulsion then reversely rises to the top in electric dehydration area, water in gravitational settling area
Grain continues to increase and be settled down to the tube wall of middle supervisor under the effect of gravity, then with slow flow velocity along with right supervisor tube wall to
Under be gathered in production pool.Circular hole on the internal chamber wall at the top of the middle and upper part of left supervisor and electric dehydration area is set and passes through welding and row
Oil pipe is attached, and circular hole is set on the middle and upper part of middle supervisor and the internal chamber wall of gravitational settling area bottom and passes through welding and feed liquor
Pipe is attached.
Oil exit pipe uses bent tubular body, and intersect vertically arrangement between the axis of entrance pipeline section and the axis of dehydration separating pipe,
The outlet pipe section of oil exit pipe is horizontal positioned simultaneously, and treated to ensure electric dehydration, and qualified crude oil can be out of dehydration separating pipe
It is stably entered in oil exit pipe, and come together in oil pipeline via the outlet pipe section of oil exit pipe at the top of electric dehydration area.
Drainpipe is located at the bottom that pool is produced in dehydration separating pipe, low for discharging oil content after electric dehydration processing in time
Production water, drainpipe is made of drain elbow, anti-turbine wheel shaft, anti-turbine and anti-whirlpool backing plate, and drain elbow is by taper end socket, curved
Head and drainage straight pipe are composed, and the male cone (strobilus masculinus) taper of taper end socket is more than the taper of its inner conical surface, and the life in taper end socket
Production water cross section of fluid channel in flow process is gradually reduced and its stream pressure and flow velocity is made constantly to be promoted；Elbow and taper end socket pass through interior
The mode of excircle weldering is connected, and the entrance pipeline section of elbow and taper end socket are coaxially arranged with being dehydrated separating pipe, and elbow goes out
Mouth pipeline section and drainage straight pipe are then horizontally disposed, while anti-turbine and anti-turbine wheel shaft are accommodated in the outlet pipe section of elbow.Anti- whirlpool pad
Plate uses plate-like ring flange, for realizing the sealing in drain elbow between elbow and drainage straight pipe, while the center of anti-whirlpool backing plate
Position is drilled with the eyelet equal with elbow in drain elbow and drainage straight pipe internal diameter, the eyelet of anti-whirlpool backing plate by be interference fitted and
Realize anti-turbine and anti-turbine wheel shaft in the intraluminal positioning of drain elbow.
Anti- turbine and anti-turbine wheel shaft are used for preventing from producing during water is discharged generating whirlpool due to siphonage.Anti- whirlpool
Wheel shaft is composed of left cone, axis body and right cone, and the left cone taper of anti-turbine wheel shaft is more than the taper of its right cone, and anti-
The big end disc of the right cone of turbine wheel shaft and the right end face of anti-turbine and the end face flush of anti-whirlpool backing plate.The material choosing of anti-turbine
With 60Si2Mn, modifier treatment Brinell hardness is more than 230, and anti-turbine, which is inscribed on anti-turbine wheel shaft by welding and passes through gap, matches
The tube wall of drain elbow is closed and is lining in outside, each anti-votex sheet of anti-turbine is evenly distributed along the outer ring surface of anti-turbine wheel shaft axis body.Anti- whirlpool
The contour line of piece is the curve that helix and Straight Combination form, and the left side of anti-votex sheet contour line is along anti-turbine wheel shaft outer ring surface exhibition
The helix opened, the screw pitch of the helix gradually increase in an axial direction, and the right side of anti-votex sheet contour line is and anti-turbine wheel shaft then
The parallel straight line of axis, and the junction of the straight line and anti-votex sheet helix keeps tangent.
Tilting tubular type row-column electrode formation, online electric dehydration process flow is under water, the crude oil after pre-separation with into demulsifier
The demulsifier that pipe provides forms crude oil emulsion after being mixed by current stabilization bar and the stirring of current stabilization impeller in barretter body and adjusts
For uniform flow, then crude oil emulsion is reintegrated into steady flow by feed liquor wheel shaft and feed liquor wheel in feed liquor bend pipe and is entered
It is dehydrated separating pipe；In the parallel high voltage electric field in electric dehydration area after pre-separation crude oil emulsion particle water rapidly coalescence grow up and under
Gravity Separation area is down to, and the oil phase in crude oil emulsion then reversely rises to the top in electric dehydration area, gravitational settling area Nei Shui
Particle continues to increase and be settled down under the effect of gravity the tube wall of middle supervisor, then with slow flow velocity along with the tube wall of right supervisor
It is gathered in production pool downwards；Treated that qualified top of the crude oil through electric dehydration area enters oil exit pipe and come together in defeated for electric dehydration
Oil-piping, and the low production water of oil content then enters drainpipe and comes together in water delivery manifold through producing the bottom in pool.
Institute of the invention is attainable to be had the technical effect that, the underwater online apparatus for electrodewatering is vertical and online point horizontal by crude oil
It is organically combined from parallel high voltage electric field fast dewatering technology, realizes the online installation and operation of submarine pipeline, and according to its inclination
Tubular constructions and determinant electrode formation, have grease efficiently separate, under crude water fast dewatering, crude oil water content it is low, production
The features such as water oil content is low；Flow straightener stirs the crude oil after pre-separation and demulsifier by current stabilization bar and current stabilization impeller and will be formed
Crude oil emulsion be adjusted to uniform flow, then crude oil emulsion is reintegrated by the feed liquor wheel shaft and feed liquor wheel of inlet tube
Steady flow flows into dehydration separating pipe again；Determinant bare electrode uses determinant electrode formation, and shape in determinant electrode formation
Into parallel high voltage electric field, thus implement the parallel high voltage electric field crude oil fast dewatering processing of determinant；Be dehydrated separating pipe tube chamber by
Left-to-right is followed successively by electric dehydration area, Gravity Separation area and production pool and implements underwater online electric dehydration separating treatment, and removing is pre-
Remaining water phase after separation in crude oil；By electric dehydration, treated that qualified crude oil discharges and comes together in defeated using bent tubular body for oil exit pipe
In oil-piping, drainpipe discharges the production water that oil content is low after electric dehydration is handled in time, and according to its anti-turbine and anti-turbine wheel shaft
It prevents from producing during water is discharged and whirlpool is generated due to siphonage.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings, but the invention is not limited in following embodiments.
Fig. 1 is that the typical of online apparatus for electrodewatering is tied under water according to inclination tubular type row-column electrode formation proposed by the invention
Structure schematic diagram.
Fig. 2 be tilt tubular type row-column electrode formation under water in online apparatus for electrodewatering flow straightener structure diagram.
Fig. 3 be tilt tubular type row-column electrode formation under water in online apparatus for electrodewatering inlet tube structure diagram.
Fig. 4 be tilt tubular type row-column electrode formation under water in online apparatus for electrodewatering determinant bare electrode structure diagram.
Fig. 5 is the bottom view of Fig. 4.
Fig. 6 is to tilt tubular type row-column electrode formation dehydration separating pipe and the structure of oil exit pipe in online apparatus for electrodewatering under water
Schematic diagram.
Fig. 7 be tilt tubular type row-column electrode formation under water in online apparatus for electrodewatering drainpipe structure diagram.
Fig. 8 is to tilt the parallel high voltage electric field of determinant of tubular type row-column electrode formation online apparatus for electrodewatering under water to take off under water
Water flow-path schematic diagram.
1- determinants bare electrode in figure, 2- oil exit pipes, 3- dehydration separating pipe, 4- drainpipes, 5- flow straighteners, 6- into
Liquid pipe, 7- current stabilization bars, 8- current stabilization impellers, 9- current stabilization tube bodies, 10- is into demulsifier pipe, 11- feed liquor wheel shafts, 12- feed liquors
Wheel, 13- feed liquor bend pipes, 14- terminal boxes, 15- electrode terminals, 16- electrode plates, 17- high-field electrodes, 18- grounding electrodes,
19- support plates, 20- left supervisors are responsible in 21-, the right supervisors of 22-, 23- productions pool, 24- Gravity Separations area, 25-
Electric dehydration area, 26- drain elbows, the anti-whirlpool backing plates of 27-, the anti-turbines of 28-, the anti-turbine wheel shafts of 29-.
Specific embodiment
In Fig. 1, tilt tubular type row-column electrode formation under water online apparatus for electrodewatering by determinant bare electrode 1, oil exit pipe
2nd, separating pipe 3, drainpipe 4, flow straightener 5 and inlet tube 6 is dehydrated to form.The underwater online apparatus for electrodewatering passes through flow straightener 5
Current stabilization tube body is linked together with upper level preseparator, and inlet tube 6 is by welding and upper even dehydration separating pipe 3 and passing through flange
Flow straightener 5 is connect under and, and is coupled between oil exit pipe 2 and oil pipeline by flange, while drainpipe 4 passes through drain elbow
It is linked together with flange and water delivery manifold, thus the underwater online apparatus for electrodewatering organically combines, and can be real with submarine pipeline
The online installation and operation of existing submarine pipeline.
In Fig. 1, tubular type row-column electrode formation the dehydration separating pipe 3 of online apparatus for electrodewatering and its interior row under water are tilted
Column bare electrode 1 is in tilted layout, and flow straightener 5 is vertically upwardly disposed, while the axis phase of oil exit pipe 2 and drainpipe 4
Keeping parallelism between mutually, and oil exit pipe 2, dehydration separating pipe 3, drainpipe 4, flow straightener 5 and inlet tube 6 axis be in it is same
In plane.
In Fig. 1, the tubular type row-column electrode formation specification size of online apparatus for electrodewatering and underwater online under water is tilted
Quantity in parallel is required to aqueous in the uninterrupted and crude oil according to crude oil after pre-separation between sled block where apparatus for electrodewatering
The physical parameters such as rate situation are considered.
In Fig. 1, it when tilting the online apparatus for electrodewatering debugging under water of tubular type row-column electrode formation, needs first to entire water
Online apparatus for electrodewatering, which carries out pressure test and air-tight test, test pressure, down need to reach 1.25 times of design pressure；Then
It is examined in whether each pipeline system connector in apparatus for electrodewatering has leakage again.When entire underwater online apparatus for electrodewatering is safeguarded,
Need the left supervisor, middle supervisor and right supervisor of the dehydration separating pipe 3 of close inspection successively, the drain elbow and current stabilization of drainpipe 4
Whether have foreign matter accumulation in the barretter body of device 5, the anti-turbine of drainpipe 4, the current stabilization impeller of flow straightener 5 and inlet tube 6 into
Whether liquid wheel surface has corrosion, when minimum wall thickness (MINI W.) is close to 1mm, is replaced；Meanwhile it is examined in determinant bare electrode 1
High-field electrode, the dirt in grounding electrode and support plate, when thickness is more than 3mm, cleaned.
In fig. 2, the specification of current stabilization tube body 9 is chosen according to the maximum stream flow of crude oil after pre-separation in flow straightener 5, together
The specification of Shi Wenliu tube bodies 9 need to be consistent with the specification of upper level preseparator outlet tube, the specification size of current stabilization impeller 8 with
The caliber of current stabilization tube body 9 is corresponding.
In fig. 2, by current stabilization impeller 8 set on current stabilization bar 7, the crude oil after pre-separation is before this in current stabilization tube body 9
Inlet be adjusted to uniform flow, then demulsifier is into demulsifier pipe 10 by entering in the tube chamber of current stabilization tube body 9, and with pre- point
Uniform flow from rear crude oil is converged and is sufficiently stirred and forms crude oil emulsion, finally in the exit of current stabilization tube body 9, mixes
Crude oil emulsion after conjunction is adjusted to stable uniform flow again by current stabilization impeller 8.
In figure 3, the specification of feed liquor bend pipe 13 and the specification of current stabilization tube body 9 in flow straightener 5 are consistent in inlet tube 6,
The specification size of feed liquor wheel 12 is corresponding with the caliber of 13 outlet pipe section of feed liquor bend pipe simultaneously.Crude oil after being mixed in feed liquor bend pipe 13
The flow direction of emulsion is adjusted to intersect with dehydration the axially vertical of separating pipe 3 upward by the axial direction along 9 inlet of current stabilization tube body, together
When in the tube chamber of 13 outlet pipe section of feed liquor bend pipe, reintegrated simultaneously by 12 crude oil emulsion of feed liquor wheel on feed liquor wheel shaft 11
Become steady flow, be then smoothly introduced into dehydration separating pipe 3.
In figures 4 and 5, the specification and number of electrodes of 1 mesohigh electrode 17 of determinant bare electrode and grounding electrode 18 according to
According to containing in qualified crude oil after the moisture content in crude oil after the maximum stream flow of crude oil, pre-separation after pre-separation and electric dehydration processing
The factors such as water are designed, while the water content after electric dehydration processing in qualified crude oil passes through high-field electrode 17 and grounding electrode
Row arrangement spacing and row arrangement spacing, the length of each electrode and its gradient in 18 determinant electrode formation are adjusted,
Terminal box 14 and the specification of electrode plate 16 are consistent with being dehydrated the specification of separating pipe 3.
In figures 4 and 5, determinant bare electrode 1 is linked as one by terminal box 14 and electrode plate 16 with dehydration separating pipe 3
Body, high-field electrode 17 and grounding electrode 18 use determinant electrode formation and are built in the tube chamber of dehydration separating pipe 3, simultaneously
The lower part of each electrode is supported and is separated by support plate 19.Each high-field electrode 17 is connected on electrode terminal 15
And a high undersea hydrostatic pressures cable is compiled in terminal box 14, then be powered by the transformer of offshore platform, and grounding electrode 18
It is then linked together, and pass through ground terminal ground by electrode plate 16 and dehydration separating pipe 3, thus in determinant electrode array type
It is middle to generate parallel high voltage electric field and implement the parallel high voltage electric field crude oil fast dewatering processing of determinant.
In figure 6, the specification of the left supervisor 20 of dehydration separating pipe 3, middle supervisor 21 and right supervisor 22 are according to former after pre-separation
The factors such as the moisture content after the maximum stream flow of oil and pre-separation in crude oil are designed, and are dehydrated between separating pipe 3 and horizontal plane
Gradient θ is adjusted according to the water content in qualified crude oil after electric dehydration processing and the oil content in production water, oil exit pipe 2
Specification chosen, while the specification of oil exit pipe 2 need to be kept with the specification of oil pipeline according to the maximum stream flow of qualified crude oil
Unanimously.
In figure 6, dehydration separating pipe 3 left supervisor 20, it is middle supervisor 21 with it is right supervisor 22 caliber it is equal, and its tube chamber according to
Secondary corresponding electric dehydration area 25, Gravity Separation area 24 and production pool 23, the axial length in electric dehydration area 25 and high-field electrode 17 and
The length of grounding electrode 18 is consistent, while the oil content after electric dehydration processing in production water is by adjusting Gravity Separation area 24
Realize that the crude oil after pre-separation is responsible for 21 in entering through feed liquor bend pipe 13 with the axial length and gradient θ in production pool 23
Intraluminal Gravity Separation area 24, qualified crude oil are entered through left 20 intraluminal 25 top of electric dehydration area of supervisor and by oil exit pipe 2
Oil pipeline.
In the figure 7, the caliber of 26 taper end socket inlet of drain elbow and the caliber of dehydration separating pipe 3 are protected in drainpipe 4
Hold it is consistent, and in drain elbow 26 caliber of elbow and drainage straight pipe then according to the maximum stream flow of production water after electric dehydration processing into
Row is chosen, while the specification of elbow and drainage straight pipe need to be corresponding with the specification of water-supply-pipe remittance inlet duct in drain elbow 26,
The aperture of the specification of anti-turbine 28 and anti-27 eyelet of whirlpool backing plate is kept with the caliber of elbow and drainage straight pipe in drain elbow 26
Unanimously.The low production water of oil content is discharged via the drain elbow 26 of production 23 bottom of pool after electric dehydration processing, drain elbow
Production water in 26 tube chambers carries out rectification by anti-turbine 28 and anti-turbine wheel shaft 29 and production water is avoided to be generated in discharge process
Whirlpool.
In fig. 8, the underwater dewatering process flow of the parallel high voltage electric field of determinant of the underwater online apparatus for electrodewatering is pre-separation
Crude oil afterwards first carries out rectification through current stabilization bar 7 and current stabilization impeller 8, then with it is broken in current stabilization tube body 9 by entering into demulsifier pipe 10
Emulsion is thoroughly mixed and forms crude oil emulsion, and then crude oil emulsion is adjusted to uniform flow and enters feed liquor bend pipe again
In 13 tube chamber, then reintegrate to become steady flow and smoothly by feed liquor wheel shaft 11 and 12 crude oil emulsion of feed liquor wheel
In inflow in supervisor 21, the particle water of the parallel high voltage electric field Central Plains oil emulsion in electric dehydration area 25 rapidly grow up and decline by coalescence
To the Gravity Separation area 24 of middle supervisor 21, and oil phase then reversely rises to the top in electric dehydration area 25, and particle water is in Gravity Separation
Continue increase in area 24 and be settled down to the tube wall of middle supervisor 21 under the effect of gravity, then with slow flow velocity along with right supervisor 22
Tube wall be gathered in production pool 23 downwards, electric dehydration treated qualified crude oil through oil exit pipe 2 and by defeated outside oil pipeline, and
The low production water of oil content then after 29 rectification of anti-turbine 28 and anti-turbine wheel shaft, is discharged by drain elbow 26 and comes together in water-supply-pipe
In remittance.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection mode etc. are all can be
Variation, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded the present invention's
Except protection domain.
Claims (10)
1. a kind of tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, by the vertical and horizontal ON-LINE SEPARATION of crude oil with putting down
Horizontal high voltage electric field fast dewatering technology organically combines, and realizes the online installation and operation of submarine pipeline, and tilt tubular type structure according to it
Make with determinant electrode formation, complete grease efficiently separate with fast dewatering under crude water, the underwater online apparatus for electrodewatering
Dehydration separating pipe and its interior determinant bare electrode are in tilted layout, it is characterised in that：
One flow straightener；The flow straightener includes current stabilization bar, current stabilization impeller, current stabilization tube body and into demulsifier pipe, and current stabilization tube body uses
The long tube body of vertical cylindrical, be equipped in the middle part of the tube chamber of current stabilization tube body it is horizontal positioned into demulsifier pipe, and in the tube chamber of current stabilization tube body
Accommodate current stabilization impeller and current stabilization bar；Current stabilization bar is composed of upper cone, cylinder and lower cone, the axis of axis and flow straightener
Line overlaps；Current stabilization impeller is formed by 8~12 along the evenly distributed current stabilization blade of the external anchor ring of current stabilization roofbolt, and current stabilization blade uses
Composite surface, and the middle and upper part of current stabilization blade and middle and lower part use two helical blades up and down that are oppositely oriented and being arranged symmetrically,
The upper and lower part of current stabilization blade uses straight plate type vane simultaneously；
One inlet tube；The inlet tube includes feed liquor bend pipe, feed liquor wheel shaft and feed liquor wheel, and feed liquor bend pipe uses bent tubular body, simultaneously
Feed liquor wheel shaft and feed liquor wheel are accommodated in the outlet pipe section of feed liquor bend pipe and crude oil emulsion is integrated into steady flow, feed liquor wheel shaft
Using thin-wall circular tube；Feed liquor wheel is formed by 6~8 along the evenly distributed feed liquor blade of circular cylinder outside feed liquor wheel shaft, feed liquor blade
Using straight plate type vane, feed liquor blade along the cross section of feed liquor axle axial in class isosceles trapezoid, and in it is wide outer narrow；Meanwhile
The two side ends of feed liquor blade along feed liquor axle axial use cutting-edge structure of the section for isosceles triangle, and feed liquor wheel shaft is close
The side of feed liquor bend pipe entrance pipeline section uses Taper Pipe；
One determinant bare electrode；The determinant bare electrode uses determinant electrode formation, and shape in determinant electrode formation
Into parallel high voltage electric field, the particle water in parallel high voltage electric field after pre-separation in crude oil emulsion is coalesced and is grown up rapidly, ranks
Formula bare electrode includes terminal box, electrode terminal, electrode plate, high-field electrode, grounding electrode and support plate；High-field electrode and ground connection electricity
Extremely using bare electrode, laterally equidistantly line arrangement of the high-field electrode along dehydration separation tube section, and cut along dehydration separating pipe
The longitudinally asymmetric layering column arrangement in face, grounding electrode is also using the laterally ranks of equidistant arrangement and longitudinally asymmetric layered arrangement
Formula electrode formation；The lower end of high-field electrode and grounding electrode uses hemispherical cecum structure, and the appearance of high-field electrode upper end
Face uniformly coats the insulating materials of polytetrafluoroethylene (PTFE)；Electrode plate is as high-field electrode and the mother of grounding electrode determinant electrode formation
Plate, and pass through ground terminal ground together with dehydration separating pipe；Support plate is by the support plate monomer composition of one group of bar shaped, support plate
Gap is maintained between monomer, and the both ends of each support plate monomer are drilled with rectangle eyelet；High-field electrode upper end connects each
Another side of electrode terminal is compiled in a high undersea hydrostatic pressures cable, and terminal box uses cylindricality tubular structure；
One dehydration separating pipe；The dehydration separating pipe using split type isometrical heavy wall tube body, left-hand end setting electrode plate and with
Determinant bare electrode is connected, and its right-hand end is connected by ring flange with drainpipe, so as to be dehydrated separating pipe packing into independence
Airtight chamber；The tube chamber of dehydration separating pipe is followed successively by the electric dehydration area where left supervisor, the weight where middle supervisor from left to right
Power Disengagement zone and the production pool where right supervisor；
One oil exit pipe；The oil exit pipe uses bent tubular body, and qualified crude oil comes together in oil pipeline via the outlet pipe section of oil exit pipe
In；
One drainpipe；The drainpipe is made of drain elbow, anti-turbine wheel shaft, anti-turbine and anti-whirlpool backing plate, and drain elbow is by boring
Shape end socket, elbow and drainage straight pipe are composed, and the male cone (strobilus masculinus) taper of taper end socket is more than the taper of its inner conical surface, and elbow goes out
Anti- turbine and anti-turbine wheel shaft are accommodated in mouth pipeline section；Anti- whirlpool backing plate uses plate-like ring flange, and central part is drilled with curved with draining
Elbow and the equal eyelet of drainage straight pipe internal diameter in pipe；Anti- turbine wheel shaft is composed of left cone, axis body and right cone, anti-turbine
Each anti-votex sheet it is evenly distributed along the outer ring surface of anti-turbine wheel shaft axis body, the contour line of anti-votex sheet is formed for helix and Straight Combination
Curve, the screw pitch of helix gradually increases in an axial direction.
2. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
The angle stated between the axis and horizontal plane of dehydration separating pipe is 30 °~40 °；
The flow straightener is vertically upwardly disposed, while the mutual keeping parallelism of the axis of drainpipe and oil exit pipe；
The axis for being dehydrated separating pipe, flow straightener, inlet tube, drainpipe and oil exit pipe is on same plane.
3. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
The tall and big cone in its lower cone of upper cone cone for stating current stabilization bar is high, while the upper surface of current stabilization tube body, the upper surface of current stabilization impeller
And the big end disc of current stabilization bar upper cone keeps concordant each other, and the lower face of current stabilization impeller and current stabilization bar lower cone
Big end disc flush；
The top of current stabilization blade and blade top surface in the current stabilization impeller is lining in by being interference fitted in the tube chamber of barretter body outside,
It is gap-matched between the middle part of its leaf top surface and the tube chamber of its underpart and current stabilization tube body, and the blade root face of current stabilization blade simultaneously
It is inscribed on current stabilization bar by circumferential weld；
The helical blade up and down of the current stabilization blade constantly changes the flow direction and flow velocity of the crude oil after pre-separation and demulsifier, current stabilization
Under the upper helical blade of blade middle and upper part and its middle and lower part the tangent line of the starting point of helical blade contour line and terminal point with surely
The axis keeping parallelism of flow post；
The outlet pipe section into demulsifier pipe keeps tangent with the blade face where upper helical blade and lower helical blade junction.
4. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
Inlet tube is stated by welding and upper even dehydration separating pipe and flow straightener, the axis of the entrance pipeline section of feed liquor bend pipe being connect and under by flange
Line is overlapped with the axis of flow straightener, and the axis of the outlet pipe section of feed liquor bend pipe then be dehydrated separating pipe axis between vertical phase
Hand over arrangement；
The feed liquor wheel shaft and the outlet pipe section of feed liquor bend pipe are coaxially arranged；
The feed liquor wheel is inscribed on feed liquor wheel shaft by welding and passes through the tube wall being interference fitted to be lining in feed liquor bend pipe outside, into
Liquid wheel close to the side end face of feed liquor bend pipe entrance pipeline section and feed liquor wheel shaft Taper Pipe big end disc flush, it is and each in feed liquor wheel
Another side end face holding of feed liquor blade and feed liquor wheel shaft is concordant.
5. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
It states determinant bare electrode and implements the parallel high voltage electric field crude oil fast dewatering processing of determinant；
The material of the high-field electrode and grounding electrode selects copper pipe, and the caliber of high-field electrode is more than grounding electrode
Caliber；All high-field electrodes show the neat electrode formation of ranks on the whole, and high-field electrode and grounding electrode form electricity
The equal interlaced arrangement of each electrode between row in the ranks in the formation of pole；
The lower end of the high-field electrode is fixed on by threaded fastener in support plate, and the upper end penetrating electrode of high-field electrode
Plate is followed by corresponding electrode terminal；
The lower end of the grounding electrode is fixed on by being interference fitted in support plate, and the upper end of grounding electrode then passes through sealing
Property pipe screw thread is positioned directly on electrode plate.
6. tilting tubular type row-column electrode formation according to claim 1 or 5, online apparatus for electrodewatering, feature exist under water
In：The electrode plate of the determinant bare electrode is constructed using copper ring flange, while is drilled on electrode plate identical with high-field electrode
Position and the circular aperture of specification size, and vehicle is formed with the leakproofness pipe screw thread with grounding electrode same position and specification size
Hole；
With being drilled with what is equidistantly arranged on the joining support plate monomer of high-field electrode in the support plate of the determinant bare electrode
Big hole, and with being then drilled with the small sircle hole equidistantly arranged, and and high-field electrode on the joining support plate monomer of grounding electrode
Joining support plate monomer and with the joining support plate monomer of grounding electrode between each other using by the way of a cloth one into
Row arrangement；Per horizontal high voltage electrode and the lower part of grounding electrode extends through the big hole and small sircle hole on each self-supporting slab monomer,
It avoids the end of electrode being caused to be in contact each other since temperature rises variation in dehydration process；
Determinant bare electrode is connected in dehydration separating pipe by the terminal box by electrode plate and studs.
7. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
It states to be dehydrated in separating pipe and implements underwater online electric dehydration separating treatment, the remaining water phase after removing pre-separation in crude oil；
The dehydration separating pipe includes left supervisor, middle supervisor and right supervisor, and each split type tube body is connected each other by ring flange
It is connected together, the lumen diameter for being dehydrated separating pipe is more than the caliber of flow straightener and inlet tube；
Circular hole on the internal chamber wall at the top of the middle and upper part of the left supervisor and electric dehydration area is set and passes through welding and is carried out with oil exit pipe
Connection setting circular hole and passes through welding and is connected with inlet tube on the middle and upper part of middle supervisor and the internal chamber wall of gravitational settling area bottom
It connects.
8. online apparatus for electrodewatering, feature exist the inclination tubular type row-column electrode formation according to claim 1 or 7 under water
In：Intersect vertically arrangement between the axis of the entrance pipeline section of the oil exit pipe and the axis of dehydration separating pipe, while oil exit pipe
Outlet pipe section is horizontal positioned, and treated to ensure electric dehydration, and qualified crude oil can be at the top of the electric dehydration area in dehydration separating pipe
It stably enters in oil exit pipe.
9. according to claim 1 tilt tubular type row-column electrode formation online apparatus for electrodewatering under water, it is characterised in that：Institute
It states drainpipe and is located at the bottom that pool is produced in dehydration separating pipe；
Production water in the drain elbow in the taper end socket cross section of fluid channel in flow process be gradually reduced and make its stream pressure and
Flow velocity is constantly promoted, and the elbow of drain elbow is connected, and the inlet tube of elbow with taper end socket by way of internal and external circumference weldering
Section and taper end socket and dehydration separating pipe are coaxially arranged, and the outlet pipe section of elbow and drainage straight pipe are then horizontally disposed；
The eyelet of the anti-whirlpool backing plate realizes that anti-turbine and anti-turbine wheel shaft are intraluminal fixed in drain elbow by being interference fitted
Position.
10. online apparatus for electrodewatering, feature exist the inclination tubular type row-column electrode formation according to claim 1 or 9 under water
In：The anti-turbine and anti-turbine wheel shaft of the drainpipe are used for preventing from producing during water is discharged generating whirlpool due to siphonage
Whirlpool, the left cone taper of anti-turbine wheel shaft are more than the taper of its right cone, and the big end disc of the right cone of anti-turbine wheel shaft and anti-turbine
Right end face and anti-whirlpool backing plate end face flush；
The anti-turbine of the drainpipe is lining in drain elbow outside by welding to be inscribed on anti-turbine wheel shaft and pass through clearance fit
Tube wall, the left side of anti-votex sheet contour line is the helix being unfolded along anti-turbine wheel shaft outer ring surface, and the right side of anti-votex sheet contour line
It is then the straight line parallel with the axis of anti-turbine wheel shaft, and the junction of the straight line and anti-votex sheet helix keeps tangent.
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| CN112322344B (en) * | 2020-10-22 | 2022-09-09 | 青岛理工大学 | Pipe network type rod electrode squirrel-cage array type three-stage degassing and dewatering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173182A (en) * | 2007-06-02 | 2008-05-07 | 中国石油大学(华东) | Novel crude oil emulsion electrostatic dehydrator |
| US20160046877A1 (en) * | 2013-11-26 | 2016-02-18 | Phillips 66 Company | Sequential mixing system for improved desalting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173182A (en) * | 2007-06-02 | 2008-05-07 | 中国石油大学(华东) | Novel crude oil emulsion electrostatic dehydrator |
| US20160046877A1 (en) * | 2013-11-26 | 2016-02-18 | Phillips 66 Company | Sequential mixing system for improved desalting |
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