CN108641743A - A kind of synchronous synergetic effect coalescing devices of high-efficiency electromagnetic - Google Patents
A kind of synchronous synergetic effect coalescing devices of high-efficiency electromagnetic Download PDFInfo
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- CN108641743A CN108641743A CN201810338552.1A CN201810338552A CN108641743A CN 108641743 A CN108641743 A CN 108641743A CN 201810338552 A CN201810338552 A CN 201810338552A CN 108641743 A CN108641743 A CN 108641743A
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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
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- Chemical Kinetics & Catalysis (AREA)
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic.Including entrance end socket, outlet head, with therebetween liquid distributing hole plate and coalescer main body, it is characterized in that containing the synchronous synergetic device of electromagnetism between entrance end socket and outlet head, and liquid distributing hole plate is equipped between entrance end socket and tubular external electrode, the synchronous synergetic device of the electromagnetism includes that the electric field being coaxially distributed generates component and magnetic field excitation component, and electric field is distributed with magnetic field orthotropic and synchronous synergetic effect.It includes the electrode for being grounded outsourcing insulating cylinder at tubular external electrode and axle center that electric field, which generates component, and magnetic field excitation component includes the outer layer and inner coil that coaxial sleeve is enclosed on external electrode, and outer coil is more than inner coil the number of turns, and the two is contained in self-loopa coolant jacket.Invention significantly improves water-oil separating efficiency and ranges, can handle moisture content and be up to 40% water-oil emulsion, therefore are widely applicable for land and marine the water-oil separating efficiently device and facility with stabilization.
Description
Technical field
The invention belongs to oil-gas gathering and transportation system multi-phase separation technical fields, and in particular to a kind of synchronous synergetic work of high-efficiency electromagnetic
Use coalescing devices.
Background technology
As each elephant enters mid-later development phase, the intensified oil reductions methods such as water flooding recovery, injecting exploitation and the poly- exploitation of note
It is further serious using the oil water mixture emulsification degree further extensively, produced from well head.Crude oil water containing increase dynamical system without
Work(accounting is imitated, the invalid thermal energy accounting of therrmodynamic system is improved, also easily causes warehousing and transportation facilities corrosion and fouling.Therefore, grease is studied
Emulsion high efficient separation technology has great importance to the safe and stable operation for improving crude oil gathering system.
Extra electric field can effectively facilitate the movement of water droplet and coalescence in emulsion, the original based on the research and development of electric field action mechanism
Oily electric dehydrator has become the crude Treatment key equipment of the petrochemical enterprises such as refinery factory, field joint stations.Emulsion droplet is logical
When crossing high field, water droplet therein is polarized band electric forming dipole, they are arranged in a linear on power line direction, and electricity is inhaled
Gravitation makes close adjacent water droplet, contact, assembles and sedimentation separation.Although improving electric field strength to be conducive to improve dehydration rate,
Electric field strength can cause water droplet both ends to come to a point when being more than critical field strength, divide out atomic small water droplet, and run counter to desire.
United States Patent (USP) US3412002 discloses a kind of electrophoresis breaking device, and technical solution is to make breast by electric field action
Then water droplet electrification in shape liquid makes water droplet deflection coalescence using magnetic fields, is finally detached in gravity settler.Electric field produces
Raw component is made of board-like anode plate and circulating type negative plates, and magnetic field passes through the copper wire that is wound on the non-closed iron core of concave
Or permanent magnet excitation generates, electrification water droplet is deflected by high-intensity magnetic field, and emulsified water is removed from the oil using D.C. magnetic field.This device
Positive plate and negative plate asymmetric distribution, and then influence W/O and drip polarized charged uniformity coefficient.
Have patent CN103849428A and disclose a kind of magnetoelectricity field emulsion breaker, which generates magnetic field along metallic conduit
With electric field, in the form of interlayer existing for central electrode and annular electrode column connect with supply transformer by electrode bar, electrode is logical
Cross insulating suspension to be fixed at the top of flanged (FLGD) metal section, metal section ground connection, magnetic field by being located in metal section pipe or
Toroidal magnet outside pipe generates.Central electrode, the annular electrode column of this device are bare metal electrode, when emulsion water content
When higher or voltage is higher, it is possible to the field effect that collapses caused by water droplet chain conduction or dielectric breakdown occur, be only applicable to
The lower emulsion of moisture content, and electric field strength is limited.
Have patent CN103087762A and disclose a kind of oil dehydrator based on magnetic field and non-uniform electric field, using encouraging
The non-uniform electric field that the magnetic field and columnar electrode that magnetic coil generates generate realizes water-oil separating.The device is vertical dehydrator, former
Oil emulsion enters dehydrator from lower part, and water is exported from dehydrator lower side to flow out, and crude oil is exported from dehydrator upper side
Outflow.This device electrode lower end is located at water outlet position, and long-time is in water layer by electrode lower end, to electrode insulation material
The material service life has a significant impact.In addition, since emulsion is after electric field and magnetic field processing, it is still necessary to which gravitational settling for a period of time could
It separates water into, therefore, in order to ensure the gravitational settling time, this device axial dimension is larger, which will seriously affect
It is installed and fixes.
The problem of magnetoelectricity dehydration device disclosed in above-mentioned patent is primarily present four aspects：First, bare metal electrode plate, breast
When shape liquid water content is higher, collapse field effect, when voltage is higher, pole caused by water droplet chain conduction is likely to occur in emulsion runner
It is likely to occur electric field caused by high electrical breakdown medium between plate to collapse, therefore, it is lower that such device is only applicable to moisture content
Emulsion, and electric field strength is limited；Second, plant bulk, coalescence is with sedimentation separation one upright type of design by aggrandizement apparatus axis
To size, it is unfavorable for installing and fixes；Third, electromagnet fever, along with highly exothermic, line when excitation generates high-intensity magnetic field
Circle overheat makes magnetic field intensity be difficult to improve it could even be possible to short circuit accident occurs.More importantly prior art separative efficiency compared with
It is low, it is especially bad to High water cut emulsion treatment effect, it is clear that realize the efficient coalescence of water-oil emulsion, and lifting device is transported
Capable stability and safety is very important.
Invention content
The purpose of the present invention is to provide a kind of synchronous synergetic effect coalescing devices of high-efficiency electromagnetic, to overcome the prior art
It is insufficient.
To achieve the above object, the synchronous synergetic effect coalescing devices of a kind of high-efficiency electromagnetic of present invention offer, in electric field and magnetic
Under the synchronous synergetic effect of field, promotes coalescer and strengthen coarse separation effect, be mainly used for the grease emulsus of crude oil and product oil
Liquid water-oil separating.In view of bare metal electrode is only applicable to the emulsion of moisture content relatively low (moisture content≤20%), and electric field
Limited strength, the present invention in electric field generate component electrode-clad in insulating cylinder.In view of inner coil, outer coil are constituted
Magnet exciting coil overheat be unfavorable for generating high-intensity magnetic field, it could even be possible to short circuit accident occurs, the present invention specially devises again
Contain the double-deck ring type tube structure coolant jacket of magnet exciting coil, inside filled with coolant liquid, and outer coil the number of turns is more than internal layer
Coil reduces temperature so that coolant liquid generates self-loopa under gradient temperature field action quickly to carry out heat exchange；It considers
Emulsion, which is unevenly distributed, will influence field distribution and separating effect, and be possible to impact failure insulated conductor, and the present invention is set again
Liquid distributing hole plate is set.
The present invention adopts the following technical scheme that：
The present invention includes that emulsion enters flanged (FLGD) entrance end socket of upper end and flanged (FLGD) outlet envelope of lower end
Head, and coalescer main body between the two, and pedestal and transformer and power distribution cabinet, it is characterized in that above-mentioned entrance end socket and
Contain the synchronous synergetic device of electromagnetism between outlet head, and is equipped with liquid distributing hole plate between entrance end socket and tubular external electrode, it is described
The synchronous synergetic device of electromagnetism includes that electric field generation component and magnetic field excitation component, the two are coaxially distributed, and electric field is from electrode to tubular
External electrode horizontal distribution, magnetic field are parallel to electrode vertical distribution, the two omnidirectional distribution and synchronous synergetic effect.
It includes the electrode at the tubular external electrode being coaxially distributed and axle center that the electric field, which generates component, is formed therebetween
Emulsion coalesces chamber, and wherein tubular external electrode is grounded, and the electrode of outsourcing insulating cylinder is through electrode hole and by upper and lower two fixing brackets
Location and installation, insulating cylinder upper end cover and top fixing bracket close fit, and the fixing bracket on top is set to below binding post
The fixing bracket at place, lower part is set to above outlet head flange.
The magnetic field excitation component include the outer coil being electrically connected to each other that is enclosed on tubular external electrode of coaxial sleeve and
Inner coil, the two are contained in the coolant jacket filled with coolant liquid, and are connect with external power distribution cabinet through terminal box, wherein outer layer line
It encloses the number of turns and is more than inner coil the number of turns.
The coolant jacket is using the double-deck ring type tube structure, and inside filling boiling point is higher and viscosity temperature characteristic is preferably cooling
Liquid, coolant jacket top are equipped with the coolant liquid inlet of filling coolant liquid, and coolant jacket lower side is equipped with the cooling for replacing coolant liquid
Liquid floss hole.
The liquid distributing hole plate is uniformly provided with several liquid distributing holes, and periphery is equipped with fixed multiple screw holes, wherein liquid distributing hole
The emulsion moisture content or emulsus fluid viscosity that diameter is handled as needed match the aperture that should be used.
The beneficial effects of the invention are as follows：
(1) present invention is wide with that can handle emulsion moisture content range, and separative efficiency is high, and floor space is small, stable
And the characteristics of install convenient, convenient for the water-oil separating process modification on land and marine water-oil emulsion.
(2) electric field of the invention and magnetic field working forms are synchronous synergetic effect, so that W/O drop moving region is increased, carry
High water droplet collides probability, promotes water phase coarse separation；On the one hand liquid drop movement is aggravated in magnetic field, on the other hand change moisture
Absorption of the son to wax molecular surface, reduces the stability of water-oil emulsion, promotes water-oil separating.
(3) the electrode-clad insulating cylinder in the present invention, avoids water droplet chain and forms electric bridge between pole plate, improve electrode
Load voltage (load voltage≤30kV), enhancing allows electric field strength (allowing electric field strength≤350kV/m) therefore can locate
Manage the water-oil emulsion of moisture content higher (moisture content≤40%).
(4) the liquid distributing hole plate in the present invention makes the emulsus flow velocity of inflow reduce, and turbulence reduces, and dynamic pressure is uniform,
The influence of cluster oil phase and cluster water relative electric field strength is reduced, and avoids separated water-oil phase because of internal turbulence whirlpool
Rotation disturbs and second emulsifying, and then effectively increases water-oil separating efficiency, while liquid distributing hole plate can fiercely rush to avoid emulsion
Hit the insulated conductor being disposed below.
(5) in the present invention as between the outer coil and inner coil of magnetic field excitation component provided with coolant jacket, in
Portion fills that boiling point is higher and the preferable coolant liquid of viscosity temperature characteristic, and outer coil the number of turns is more than inner coil, to ensure work
Although when outer coil calorific value be more than inner coil, heat dissipation is easy on the outside of the coolant jacket, make coolant jacket medial segment and
There are the temperature difference, internal coolant liquids to be more prone to certainly under unsteady state temperature field action outside the temperature difference and coolant jacket for segmentum laterale
Cycle is more conducive to accelerate heat exchange, to realize the inside and outside efficient fast cooling of layer line circle, and ensure in same, magnetic
Field excitation coil is under low temperature environment, and this not only increases common permission magnetic field intensities, and avoid coil because in
Portion overheats and short circuit collapse, to realizing that grease efficiently separates and device stable operation has great importance.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention.
Fig. 2 is the main coalescer agent structure schematic diagram that component and magnetic field excitation component are generated including electric field.
Fig. 3 is the Section A-A figure of Fig. 1 of the present invention.
Fig. 4 is the structural schematic diagram of liquid distributing hole plate of the present invention.
Fig. 5 is the experimental data curve of the separative efficiency and magnetic field intensity of different water cut of the present invention.
Wherein：1 entrance end socket, 2 entrance cover flanges, 3 liquid distributing hole plates, 4 tubular external electrodes, 5 inlets, 6 coalescence chambers, 7
Insulating cylinder, 8 electrodes, 9 inner coils, 10 outer coils, 11 coolant jackets, 12 coolant liquids, 13 outlet head flanges, 14 pedestals, 15
Outlet head, 16 floss holes, 17 terminal boxes, 18 power distribution cabinets, 19 transformers, 20 binding posts, 21 insulated conductors, 22 electric field generation groups
Part, 23 magnetic field excitation components, 24 fixing brackets, 25 liquid distributing holes, 26 screw holes, 27 electrode holes.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Such as Fig. 1 and Fig. 2, the present invention includes the entrance end socket 1 that emulsion enters the tape entry cover flange 2 of upper end, and
The outlet head 15 of the band outlet cover flange 13 of lower end, and coalescer main body between the two, with pedestal 14 and transformer 19
With power distribution cabinet 18, it is characterized in that containing the synchronous synergetic device of electromagnetism, and entrance between above-mentioned entrance end socket 1 and outlet head 15
Liquid distributing hole plate 3 is equipped between end socket 1 and tubular external electrode 4, the synchronous synergetic device of the electromagnetism includes that electric field generates 22 He of component
Magnetic field excitation component 23, the two is coaxially distributed, and for electric field from electrode 8 to 4 horizontal distribution of tubular external electrode of electrical ground, magnetic field is parallel
In 8 vertical distribution of electrode, the two omnidirectional distribution and synchronous synergetic effect.
As shown in Figure 1, Figure 2 and Fig. 3, it includes at the tubular external electrode 4 being coaxially distributed and axle center that the electric field, which generates component 22,
Electrode 8, therebetween formed emulsion coalesce chamber 6, wherein tubular external electrode 4 be grounded, the electrode 8 of outsourcing insulating cylinder 7 is through electricity
Pole hole 27 and by 24 location and installation of upper and lower two fixing brackets, 7 upper end cover of insulating cylinder and 24 close fit of top fixing bracket, and
The fixing bracket 24 on top is set at 20 lower section of binding post, and the fixing bracket of lower part is set to 13 top of outlet head flange.
As shown in Figure 1, Figure 2, the magnetic field excitation component 23 is enclosed in being electrically connected to each other on tubular external electrode 4 including coaxial sleeve
Outer coil 10 and inner coil 9, the two be contained in the coolant jacket 11 filled with coolant liquid 12, and through terminal box 17 with it is external
Power distribution cabinet 18 connects, and wherein the number of turns of outer coil 10 is more than the number of turns of inner coil 9.In view of further increasing heat dissipation effect
Fruit, preferably outer coil the number of turns：Inner coil the number of turns=3:2.
Such as Fig. 4, the liquid distributing hole plate 3 is uniformly provided with several liquid distributing holes 25, and periphery is equipped with fixed multiple screw holes 26,
Wherein liquid distributing hole a diameter of 8~20mm should use larger aperture when emulsion moisture content is relatively low or emulsus fluid viscosity is higher.
Above-mentioned electrode 8 uses and is applicable in the conductive metallic materials such as the ferrite for making magnetic core, on the one hand, electrode is electric field generation group
High-pressure side in part, on the other hand, electrode can effectively improve magnetic field intensity as magnetic core.8 surface of electrode is smooth, on electrode 8
The equal fillet processing in end and lower end, avoids point discharge, electrode 8 from combining closely with insulating cylinder 7, insulating cylinder 7 uses polytetrafluoroethylene (PTFE)
Equal corrosion-and high-temp-resistants insulating materials, 7 0.5~1.5cm of wall thickness of insulating cylinder, 7 outer diameter of insulating cylinder are the 1/ of 4 internal diameter of tubular external electrode
4~1/2.Tubular external electrode 4 is avoided using weak magnetic materials such as 304 stainless steels using strong magnetic materials such as iron, to ensure in it
Part cloth high-intensity magnetic field.
Above-mentioned 11 length of coolant jacket is identical as 7 length of insulating cylinder, and outlet head flange 13 is relied on to fix.And terminal box 17
Using high Explosion-proof Design, material uses flame retardant type material.
Such as Fig. 1, the coolant jacket 11 fills coolant liquid 12 using the double-deck ring type self-loopa tube structure design, inside,
11 top of coolant jacket is equipped with the coolant liquid inlet 5 of filling coolant liquid 12, and 11 lower side of coolant jacket, which is equipped with, replaces coolant liquid 12
Coolant drain mouth 16.
In view of further increasing heat dissipation effect, the coolant liquid is preferably higher using boiling point and viscosity temperature characteristic is preferable
Alcohols organic type coolant liquid.
Such as Fig. 1, entrance end socket 1, liquid distributing hole plate 3 and tubular external electrode 4 are fastened by bolts the connection of entrance cover flange 2,
3 upper and lower surface of liquid distributing hole plate assembles insulated enclosure pad, and outlet head 15 and tubular external electrode 4 are fastened by bolts outlet head
Flange 13 connects, and insulated enclosure pad is assembled between outlet head 15 and tubular external electrode 4.Bottom base 14 is set to seal with outlet
First 15 are connected, and pedestal 14 plays support firm effect.
Embodiment 1
Such as Fig. 1 and Fig. 2, the present invention includes the entrance end socket 1 that emulsion enters the tape entry cover flange 2 of upper end, and
The outlet head 15 of the band outlet cover flange 13 of lower end, and the coalescer master between the two containing the synchronous synergetic device of electromagnetism
Body, and pedestal 14 and transformer 19 and power distribution cabinet 18, it is characterized in that containing between above-mentioned entrance end socket 1 and outlet head 15
There is the synchronous synergetic device of electromagnetism, and be equipped with liquid distributing hole plate 3 between entrance end socket 1 and tubular external electrode 4, the electromagnetism is synchronous synergetic
Device includes that electric field generates component 22 and magnetic field excitation component 23, and the two is coaxially distributed, and electric field is from electrode 8 to the tubular of electrical ground
4 horizontal distribution of external electrode, magnetic field are parallel to 8 vertical distribution of electrode, the two omnidirectional distribution and synchronous synergetic effect.The electric field
It includes the electrode 8 at the tubular external electrode 4 being coaxially distributed and axle center to generate component 22, forms emulsion therebetween and coalesces chamber 6,
Wherein tubular external electrode 4 is grounded, and the electrode 8 of outsourcing insulating cylinder 7 positions peace through electrode hole 27 and by upper and lower two fixing brackets 24
Dress, 7 upper end cover of insulating cylinder and 24 close fit of top fixing bracket, and the fixing bracket 24 on top is set to 20 lower section of binding post
The fixing bracket at place, lower part is set to 13 top of outlet head flange.The 8 surface polishing treatment of above-mentioned electrode, 8 upper end of electrode is under
Equal fillet is held to handle, electrode 8 is combined closely with insulating cylinder 7,7 material polytetrafluoroethylene (PTFE) of insulating cylinder, 7 wall thickness 1cm of insulating cylinder, insulation
7 outer diameter 10cm of cylinder, 4 internal diameter 20cm of tubular external electrode, 7 outer diameter of insulating cylinder is the 1/2 of 4 internal diameter of tubular external electrode, tubular external electrode 4
304 stainless steel of material.
The magnetic field excitation component 23 is enclosed in the outer coil being electrically connected to each other on tubular external electrode 4 including coaxial sleeve
10 and inner coil 9, the two be contained in the coolant jacket 11 filled with coolant liquid 12, and the number of turns of outer coil 10 be more than interior layer line
The number of turns of circle 9.It is 1380 to choose outer coil the number of turns, and inner coil the number of turns is 920, outer coil the number of turns：Inner coil the number of turns
=3:2.
In the present embodiment, liquid distributing hole plate 3 is uniformly provided with several liquid distributing holes 25, when emulsion moisture content is 10%, using cloth
The liquid distributing hole plate of 25 a diameter of 18mm of fluid apertures, when emulsion moisture content is 20%, using the cloth liquid of 25 a diameter of 15mm of liquid distributing hole
Orifice plate, when emulsion moisture content is 30%, using the liquid distributing hole plate of 25 a diameter of 12mm of liquid distributing hole.Liquid distributing hole plate periphery is equipped with 8
10 screw holes 26 of φ of a fixation.
Such as Fig. 1, entrance end socket 1, liquid distributing hole plate 3 and tubular external electrode 4 are connected by M10 bolts fastening entrance cover flange 2,
3 upper and lower surface of liquid distributing hole plate assembles Tetrafluoro spacer, to seal and insulate；The outlet head 15 and tubular external electrode 4 pass through
M10 bolts fasten outlet head flange 13 and connect, and Tetrafluoro spacer is assembled between outlet head 15 and tubular external electrode 4；It is set to
The pedestal 14 of bottom is connected with outlet head 15, and pedestal 14 plays support firm effect.
Such as Fig. 1, the coolant jacket 11 selects propylene glycol using the double-deck ring type self-loopa tube structure design, coolant liquid 12
Coolant liquid.
In the present embodiment, using light crude oil as continuous phase, using tap water as dispersed phase, using high speed machine agitating mode,
10%, 20% and 30% water-oil emulsion is respectively configured, the emulsion of configuration does not occur in conical centrifuge tube in 10h obviously
Water body, emulsion are more stable.Light crude oil viscosity and density data such as Tables 1 and 2：
1 viscosity of crude of table (mPa.s)
2 oil density (g/cm of table3)
| Sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| T/℃ | 24.6 | 31.3 | 41.3 | 46.7 | 51.8 | 55.5 | 60.2 | 65.8 | 70 |
| ρ/(g/cm3) | 0.865 | 0.8605 | 0.855 | 0.851 | 0.8485 | 0.847 | 0.8455 | 0.843 | 0.841 |
In the present embodiment, magnetic field excitation assembly power supply is given using HCP series 220V DC power supplies, using PF-035D numbers
Tesla meter tests magnetic field intensity, and electrical parameter signal and the coalescence intracavitary average field strength of DC power supply output are shown in Table 3：
3 power supply of table exports table corresponding with magnetic field intensity
| Serial number | 1 | 2 | 3 | 4 | 5 | 6 |
| Voltage/V | 0 | 20 | 40 | 60 | 80 | 100 |
| Electric current/A | 0 | 2.73 | 5.44 | 8.06 | 10.15 | 12.3 |
| Magnetic field intensity/T | 0 | 0.12 | 0.23 | 0.32 | 0.42 | 0.51 |
In the present embodiment, control electric field strength is about 270kV/m, changes magnetic field intensity by adjusting direct current power source voltage,
Single electric field and the lower oil-water separation of electromagnetic field synergistic effect are compared, research magnetic field intensity is to electromagnetic field synergistic effect grease point
Influence from effect, experimental result are shown in Table 4：
Water-oil separating efficiency under 4 different condition of table
The interpretation of table 4 is data and curves, such as Fig. 5, to grease emulsus under electric field and magnetic fields by the present invention
The separation process of liquid has carried out experimental study, and test medium is using the grease emulsus that moisture content is respectively 10%, 20% and 30%
Liquid, electric field strength 270kV/m, magnetic field intensity are divided into 0T, 0.12T, 0.23T, 0.32T, 0.42T and 0.51T.By experimental data
Curve can be seen that：First, water-oil separating efficiency (magnetic field intensity 0T higher than pure electric field under electric field acts synergistically with field synchronous
When operating mode, that is, pure electric field action operating mode), compared with electric field, under electric field and magnetic field collective effect W/O drip movement locus
The three-dimensional spiral movement for becoming high-freedom degree is moved back and forth by the hither plane of short free travel, increases the collider of droplet cluster
Rate accelerates water phase from the Coalescence Separation in heterogeneous system.In addition, magnetic fields change hydrone to wax molecular surface
Adsorption rate so that the hydrophobic performance of wax crystalline substance also enhances therewith, so as to cause crystal grain under electric field action be easier in grease circle
It is migrated on face, reduces the stability of water-oil emulsion, promote water-oil separating.I.e. in the synchronous synergetic effect of electric field and magnetic field
Under, the efficient coalescence of W/O drop may be implemented, this is also the basic functional principle of the synchronous synergetic effect coalescing devices of electromagnetism；The
Two, separative efficiency higher magnetic field intensity ranging from 0.23~0.42T, existing general electromagnet is difficult to because of coil heating problem
This range magnetic field intensity is continuously generated for a long time, and the double-deck ring type self-loopa tube structure coolant jacket of the invention is to solve the problems, such as this
Provide technical support；Third, existing makes the highest optimal magnetic field intensity range of separative efficiency, i.e., separative efficiency is not with magnetic
The increase of field intensity and increase, and the corresponding optimal magnetic field intensity of different water cut emulsion is different.According to permanent magnet, magnetic field
Intensity will be fixed with the determination of apparatus structure and size, be not easy to be changed, and therefore, magnetic field is by outer coil in the present invention
10, inner coil 9 and include coolant liquid 12 coolant jacket 11 form magnetic field excitation component 23 excitation generate, have facilitate adjusting
Magnetic field intensity, feature applied widely can obtain optimal separation effect according to different water cut.
Obviously, electric field of the invention generates component and greatly strengthens permission electric field strength, up to 350kV/m；It is contained within certainly
In circulating cooling set and outer coil is more than the magnetic field excitation component of inner coil the number of turns, and the synchronous synergetic effect of the two significantly carries
High water-oil separating efficiency and range, and the water-oil emulsion that moisture content is up to 40% can be handled, therefore the present invention can be extensive
Ground is suitable for land and marine high efficiency oil-water separation and the device and facility of stablizing safety.
Based on the technical solutions of the present invention, those skilled in the art, which need not make the creative labor, to make
Various modifications or changes still within protection scope of the present invention.
Claims (9)
1. a kind of synchronous synergetic work of high-efficiency electromagnetic uses coalescing devices, including emulsion to enter the tape entry cover flange of upper end
(2) outlet head (15) of the band outlet cover flange (13) of entrance end socket (1) and lower end, and coalescence between the two
Device main body, and pedestal (14) and transformer (19) and power distribution cabinet (18), it is characterized in that above-mentioned entrance end socket (1) and outlet
Contain the synchronous synergetic device of electromagnetism between end socket (15), and is equipped with liquid distributing hole plate between entrance end socket (1) and tubular external electrode (4)
(3), the synchronous synergetic device of the electromagnetism includes that electric field generates component (22) and magnetic field excitation component (23), and the two is coaxially distributed,
Electric field is parallel to electrode (8) vertical distribution from electrode (8) to tubular external electrode (4) horizontal distribution of electrical ground, magnetic field, and the two is just
Hand over distribution and synchronous synergetic effect.
2. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the electric field generates
Component (22) includes the electrode (8) at the tubular external electrode (4) being coaxially distributed and axle center, and wherein tubular external electrode (4) is grounded, outside
The electrode (8) of packet insulating cylinder (7) is through electrode hole (27) and by upper and lower two fixing brackets (24) location and installation, on insulating cylinder (7)
End cap and top fixing bracket (24) close fit, and the fixing bracket (24) on top is set at binding post (20) lower section, under
The fixing bracket (24) in portion is set to above outlet head flange (13).
3. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the magnetic field excitation
Component (23) includes the outer coil (10) being electrically connected to each other and the inner coil (9) that coaxial sleeve is enclosed on tubular external electrode (4),
And it is contained within the coolant jacket (11) filled with coolant liquid (12) Nei, and is connect with external power distribution cabinet (18) through terminal box (17),
The number of turns of middle outer coil (10) is more than the number of turns of inner coil (9).
4. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the outer coil
(10) the number of turns：Inner coil (9) the number of turns=3:2.
5. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the coolant jacket
(11) using the double-deck ring type self-loopa tube structure, inside is filled with coolant liquid (12), and coolant jacket (11) top is equipped with filling
The inlet (5) of coolant liquid (12), coolant jacket (11) lower side are equipped with the floss hole (16) for replacing coolant liquid (12).
6. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the coolant liquid
(12) it is that boiling point is higher and the preferable alcohols organic type coolant liquid of viscosity temperature characteristic.
7. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the liquid distributing hole plate
(3) it is uniformly provided with liquid distributing hole (25), liquid distributing hole plate (3) periphery is equipped with screw hole (26).
8. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the liquid distributing hole
(25) a diameter of 8~20mm.
9. the coalescing devices of the synchronous synergetic effect of high-efficiency electromagnetic as described in claim 1, it is characterized in that the electrode (8) is adopted
With the ferrite conductive metallic material of magnetic core.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412002A (en) * | 1964-09-22 | 1968-11-19 | Texaco Inc | Apparatus and method for electrophoretic breaking of emulsions |
| CN103087762A (en) * | 2013-02-01 | 2013-05-08 | 哈尔滨理工大学 | Crude oil dehydrater based on magnetic field and nonuniform electric field |
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2018
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412002A (en) * | 1964-09-22 | 1968-11-19 | Texaco Inc | Apparatus and method for electrophoretic breaking of emulsions |
| CN103087762A (en) * | 2013-02-01 | 2013-05-08 | 哈尔滨理工大学 | Crude oil dehydrater based on magnetic field and nonuniform electric field |
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