CN110064231A - A kind of V-type voltolisation knot dehydration dynamic experimental device - Google Patents
A kind of V-type voltolisation knot dehydration dynamic experimental device Download PDFInfo
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- CN110064231A CN110064231A CN201910167809.6A CN201910167809A CN110064231A CN 110064231 A CN110064231 A CN 110064231A CN 201910167809 A CN201910167809 A CN 201910167809A CN 110064231 A CN110064231 A CN 110064231A
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- 230000018044 dehydration Effects 0.000 title claims description 15
- 238000006297 dehydration reaction Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002569 water oil cream Substances 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000004062 sedimentation Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 9
- 239000003129 oil well Substances 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 10
- 239000000839 emulsion Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 238000004581 coalescence Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004720 dielectrophoresis Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/06—Separation of liquids from each other by electricity
Abstract
The invention discloses a kind of V-type voltolisation knots to be dehydrated dynamic experimental device, including water-oil emulsion device for formulating, V-type dynamic electric coalescer, image acquisition and processing device and circulation and stress device；Water-oil emulsion device for formulating includes settling tank, water tank and stirred tank, and the settling tank, water tank are separately connected the entrance of stirred tank, and oil well pump is equipped between settling tank and stirred tank, and sedimentation pot bottom is equipped with water outlet；The outlet of stirred tank connects the entrance at the top of V-type dynamic electric coalescer by diaphragm pump；One or more groups of V-type electrode plate groups are equipped with inside V-type dynamic electric coalescer, every group of V-type electrode plate groups include upper electrode plate and lower electrode plate, it is V-shaped between upper electrode plate and lower electrode plate to be arranged in parallel, upper electrode plate connects the anode of HV generator, and lower electrode plate connects the cathode of HV generator；V-type dynamic electric coalescer bottom connects circulation and stress device, and design of the invention is compact-sized relative to existing design, more efficient.
Description
Technical field
The invention belongs to be dehydrated dynamic experiment equipment technical field more particularly to a kind of V-type voltolisation knot dehydration dynamic experiment
Device.
Background technique
The country, which recovers the oil, enters the middle and later periods, and the tertiary oil recovery methods such as chemical flooding, combination flooding use so that crude oil heavy, poor quality
Change is got worse, and pretreatment difficulty greatly increases, aqueous after de- and to cut water oil-containing high, is easy to cause equipment corrosion and fouling, fortune
The problems such as increase of delivery of energy consumption, catalyst inactivation, the qualified discharge of steady production and Love psychology to device bring very big
Pressure.In the environment of " green economy, low-carbon economy, the energy-saving and emission-reduction " that country is vigorously advocated, it is inferior former how to improve weight
The desalting and dewatering effect of oil, and plant energy consumption is reduced as much as possible, become Petroleum & Petrochemical Enterprises one of problem urgently to be resolved.
The advantages that voltolisation knot dehydration technique is efficient, quick, treating capacity is big with it, is widely applied.Its basic principle
It is, the water droplet in oily phase polarizes under the action of plus high-voltage field, dipole of the both ends with dissimilar charges is formed, and
Direction is parallel with direction of an electric field.Water droplet coalesces under electric field action, forms big water droplet, due to the presence of grease density contrast,
Realize the rapid subsidence separation of big water droplet.Currently, there is bulky, construction cost height in most of commercialization voltolisation knot dehydrator
The problems such as.As marine energy strategy obtains the growing interest of country, the exploitation dynamics of offshore oilfield is gradually increased.However, by
In the limitation of offshore platform load-bearing and area etc., the design of the continuous type voltolisation knot dehydration device of high-efficiency compact is proposed
Higher demand.Investigation discovery, researcher are more to the research of Static Electro coalescence dehydration, and to the coalescence dehydration of online dynamic electric
Study relatively fewer, and compactedness and dehydration efficiency are poor.Therefore, it is necessary to design a new and effective compact experimental provision
It solves the above problems.
Summary of the invention
The present invention proposes a kind of V-type voltolisation knot dehydration dynamic experimental device, mesh according to problems of the prior art
Be compact-sized, high-efficient voltolisation knot dehydration dynamic experimental device is provided.
The technical solution adopted in the present invention is as follows:
A kind of V-type voltolisation knot is dehydrated dynamic experimental device, including water-oil emulsion device for formulating, V-type dynamic electric coalescer,
Image acquisition and processing device and circulation and stress device；
The water-oil emulsion device for formulating includes settling tank, water tank and stirred tank, the settling tank, water tank difference
The entrance for connecting stirred tank, is equipped with oil well pump between the settling tank and stirred tank, the sedimentation pot bottom is equipped with water outlet；Institute
The outlet for stating stirred tank passes through the entrance at the top of diaphragm pump connection V-type dynamic electric coalescer；
One or more groups of V-type electrode plate groups are equipped with inside the V-type dynamic electric coalescer, every group of V-type electrode plate groups include
Upper electrode plate and lower electrode plate, V-shaped between upper electrode plate and lower electrode plate to be arranged in parallel, the upper electrode plate
Connect the anode of HV generator, the cathode of the lower electrode plate connection HV generator；The V-type dynamic electric
Coalescer bottom connects circulation and stress device；
The circulation and stress device includes recycling fluid reservoir, and the recycling fluid reservoir connects settling tank by circulating pump；
Described image acquisition processing device includes observation unit and Image Acquisition and after-treatment device, transparent material qualitative observation
Unit is set between V-type dynamic electric coalescer and circulation and stress device, and described image acquisition and after-treatment device include that high speed is taken the photograph
As instrument, the high-speed camera instrument face observation unit arrangement, for acquiring the pictorial information of emulsion in observation unit, and by institute
The pictorial information input picture after-treatment system of acquisition, analyzes pictorial information；
Further, the identical hole of size is uniformly provided in same electrode plate；The upper electrode plate of same group of V-type electrode plate
It is identical with the hole size on lower electrode plate, on the boring ratio lower electrode plate on the upper electrode plate of same group of V-type electrode plate
Hole is small；
Further, from top to down, from top to down, the hole in adjacent V-type electrode plate groups, on next group of upper electrode plate
It is bigger than the hole on upper one group of lower electrode plate；
Further, the electrode plate of the V-type electrode plate selects copper；
Further, insulating materials is coated on the V-type electrode plate；
Further, the observation unit is transparent material；
Further, the sedimentation pot bottom is equipped with water outlet.
Beneficial effects of the present invention:
Emulsion passes through electrode plate, and effective contact area is big；Emulsion flow direction is consistent with direction of an electric field, increases water droplet
Between electrostatic force；Pole plate inclination angle promotes big water droplet toward migration at pole plate center (tip), strengthens water-oil separating effect；
Bare electrode accelerates the transfer of charge, i.e. charged after water drop contact bare electrode, enhances that water droplet-water droplet is poly- and process；Insulated electro
Pole and high-frequency impulse electric field with the use of the voltolisation knot dehydration that can be used for High water cut emulsion；By increasing electrode plate
Hydrophily, big water droplet can form moisture film in electrode plate gap, enhance the poly- simultaneously process in water droplet-interface during voltolisation knot；
There are three kinds of poly- and mechanism for electric agglomeration process: water droplet dipole polarization coalescence, electrophoresis coalescence and dielectrophoresis coalescence；Multiple groups V-type electrode
Plate can be embedded in simultaneously, and electrode bar spacing is from top to bottom gradually increased, to realize the compact design and module of electric coalescer
Change design object, greatly reduction shell volume.
Detailed description of the invention
Fig. 1 is that the compact voltolisation knot of V-type is dehydrated dynamic experimental device structural schematic diagram；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 3 is drop particle diameter distribution picture after the initial water droplet particle diameter distribution of water-oil emulsion and voltolisation knot；
Wherein, 1, PLC control cabinet, 2, observation unit, 3, Image Acquisition and after-treatment device, 301, high-speed camera instrument,
302, post processing of image system, 4, recycling fluid reservoir, 5, circulating pump, 6, settling tank, 7, water tank, 8, oil well pump, 9, stirred tank,
10, diaphragm pump, 11, solenoid valve, 12, HV generator, 13, V-type dynamic electric coalescer, 1301, V-type electrode plate groups.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of V-type voltolisation knot proposed by the invention is dehydrated dynamic experimental device, the outlet of fluid reservoir 4 is logical
Piping connects circulating pump 5, and the output end of circulating pump 5 connects settling tank 6, and the bottom of drop tank 6 is additionally provided with water outlet, drop tank 6
Oil outlet connects oil well pump 8, and the outlet of oil well pump 8 connects stirred tank 9, and the entrance of stirred tank 9 is also connected with water tank 7, stirred tank 9
Outlet connect diaphragm pump 10, the outlet of diaphragm pump 10 is sequentially connected solenoid valve 11 and V-type dynamic electric coalescer 13 by pipeline
One or more groups of V-type electrode plate groups 1301 can be set in top entry along the vertical direction inside V-type dynamic electric coalescer 13,
Every group of V-type electrode plate groups 1301 include upper electrode plate and lower electrode plate, V-shaped between upper electrode plate and lower electrode plate
It is arranged in parallel, the anode of the upper electrode plate connection HV generator 12, lower electrode plate connects high-pressure electrostatic
The cathode of device 12；In practical applications, if the moisture content of water-oil emulsion is high, insulating materials can be coated on electrode plate,
Voltolisation knot dehydration for high water-content crude oil；If the moisture content of water-oil emulsion is low, parent can be coated on electrode plate
Water material increases the hydrophily of V-type electrode plate groups 1301, and big water droplet can form moisture film in electrode plate gap, enhances voltolisation
The poly- simultaneously process in water droplet-interface during knot；13 bottom of V-type dynamic electric coalescer connects fluid reservoir 4 by pipeline；With liquid storage
The pipeline that tank 4 connects is equipped with observation unit 2 made of a thin organic glass, 301 face observation unit 2 of high-speed camera instrument
Arrangement is avoided for acquiring the pictorial information of emulsion in observation unit 2 due under the blocked up caused translucency of emulsion layer
The influence of drop facilitates high-speed camera instrument 301 to acquire the big water droplet image after voltolisation knot, and pictorial information collected is inputted and is schemed
As after-treatment system 302, pictorial information is analyzed.Motor in diaphragm pump 10, solenoid valve 11 and stirred tank 9 is separately connected
PLC control cabinet 1, the emulsus in the compact dynamic electric coalescer 13 of aperture regulation V-type that PLC control cabinet 1 passes through control solenoid valve 11
Liquid flow regime.
In design of the invention, as shown in Fig. 2, being uniformly provided in same electrode plate in V-type electrode plate groups 1301
The identical hole of size；On this basis, the hole size phase on the upper electrode plate and lower electrode plate of V-type electrode plate groups 1301
Together；If two groups of V-type electrode plate groups 1301 are arranged inside V-type dynamic electric coalescer 13, then the upper electrode plate in first group
Identical with the hole size on lower electrode plate, the upper electrode plate in second group is identical with the hole size on lower electrode plate, but
It is second group of first group of boring ratio of Kong Yao great.
In addition, the present invention also provides another design, if two groups of V-type electricity are arranged inside V-type dynamic electric coalescer 13
Polar plate group 1301, the hole on the boring ratio lower electrode plate on upper electrode plate in each group of V-type electrode plate groups 1301 are small；And
The hole on first group of lower electrode plate of boring ratio on second group of upper electrode plate is big.
For clearer explanation technical solution of the present invention, make further solution below in conjunction with the course of work of the invention
It releases:
Before use, all valves remain off, water is injected in water tank 7, oil is injected in settling tank 6, is opened
All valves start oil well pump 8, stirred tank 12, and oil and water are under the action of oil well pump 8 and hydrostatic pressure respectively from settling tank 6
With in water tank 7 enter stirred tank 12, prepare water-oil emulsion.
Start diaphragm pump 10, prepared water-oil emulsion is pumped into V-type dynamic electric coalescer 13, flows out voltolisation knot
The emulsion of device is it is observed that unit 2, when HV generator 12 is inactive, what is obtained at this time is water-oil emulsion initial graph
Piece information；After HV generator 12 starts, acquisition is pictorial information after water-oil emulsion voltolisation knot, then passes through image
302 analysis picture information of after-treatment system；The grease cream flowed out after voltolisation knot dehydration from V-type dynamic electric coalescer 13
Shape liquid enters in recycling fluid reservoir 4, after having appropriate water-oil emulsion in recycling fluid reservoir 4, starts circulating pump 5 for emulsion
It is pumped in settling tank 6 and carries out gravity settlement process, due to the presence of grease density contrast, settling tank 6 is at the middle and upper levels oily phase, lower layer
For water phase；6 upper oil phase of settling tank is pumped into stirred tank 9 under the action of oil well pump 8, realizes the recycling of oily phase.
After experiment, the power supply of HV generator 12 is disconnected, all valves are finally closed.As shown in figure 3, grease cream of the present invention
Drop particle diameter is distributed picture after the initial water droplet particle diameter distribution of shape liquid and voltolisation knot, and scale bar mm, i.e. the every compartment in right side is away from 1mm.
Initial water droplet particle diameter distribution is uniform, is μ diameter grade water droplet, arithmetic mean diameter is about 160 μm.After applying external electric field, it is not easy to realize
The small water droplet quantity of μm grade of water-oil separating significantly reduces, and mm grades of big drops is formed after voltolisation knot, maximum particle diameter is about 5mm, this hair
Obvious write improves voltolisation knot effect.
Above embodiments are merely to illustrate design philosophy and feature of the invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
It is within the scope of the present invention according to equivalent variations made by disclosed principle, mentality of designing or modification.
Claims (10)
1. a kind of V-type voltolisation knot is dehydrated dynamic experimental device, which is characterized in that including water-oil emulsion device for formulating, V-type dynamic
Electric coalescer (13), image acquisition and processing device and circulation and stress device；
The water-oil emulsion device for formulating includes stirred tank (9), and the entrance of the stirred tank (9) is separately connected settling tank (6)
The entrance for passing through diaphragm pump (10) connection V-type dynamic electric coalescer (13) with water tank (7), the outlet of the stirred tank (9)；
One or more groups of V-type electrode plate groups (1301), the V-type electrode are equipped in the V-type dynamic electric coalescer (13)
Board group (1301) connects HV generator (12)；The bottom connection circulation and stress dress of the V-type dynamic electric coalescer (13)
It sets；
The circulation and stress device includes recycling fluid reservoir (4), and the recycling fluid reservoir (4) passes through circulating pump (5) connection sedimentation
Tank (6)；
Described image acquisition processing device includes observation unit (2) and Image Acquisition and after-treatment device (3), the observation unit
(2) it is set between V-type dynamic electric coalescer (13) and circulation and stress device, described image acquisition and after-treatment device (3) include
High-speed camera instrument (301) and post processing of image system (302).
2. a kind of V-type voltolisation knot according to claim 1 is dehydrated dynamic experimental device, which is characterized in that every group of V-type electrode
Board group (1301) includes upper electrode plate and lower electrode plate, V-shaped between upper electrode plate and lower electrode plate to be arranged in parallel,
The anode of upper electrode plate connection HV generator (12), the lower electrode plate connect HV generator
(12) cathode.
3. a kind of V-type voltolisation knot according to claim 2 is dehydrated dynamic experimental device, which is characterized in that the V-type electrode
The identical hole of size is uniformly provided in same electrode plate in board group (1301).
4. a kind of V-type voltolisation knot according to claim 3 is dehydrated dynamic experimental device, which is characterized in that same group of V-type electricity
The upper electrode plate of pole plate (1301) is identical with the hole size on lower electrode plate.
5. a kind of V-type voltolisation knot according to claim 3 is dehydrated dynamic experimental device, which is characterized in that same group of V-type electricity
The hole on boring ratio lower electrode plate on the upper electrode plate of pole plate (1301) is small.
6. a kind of V-type voltolisation knot according to claim 4 or 5 is dehydrated dynamic experimental device, which is characterized in that from upper past
Under, the hole in adjacent V-type electrode plate groups (1301), on the boring ratio on next group of upper electrode plate on one group of lower electrode plate
Greatly.
7. a kind of V-type voltolisation knot dehydration dynamic experimental device, special according to any one of claim 6 claim
Sign is that the electrode plate of the V-type electrode plate (1301) selects copper.
8. a kind of V-type voltolisation knot dehydration dynamic experimental device, special according to any one of claim 7 claim
Sign is, coats insulating materials on the V-type electrode plate (1301).
9. a kind of V-type voltolisation knot according to claim 1 is dehydrated dynamic experimental device, which is characterized in that the observation is single
First (2) are transparent material.
10. a kind of V-type voltolisation knot according to claim 1 is dehydrated dynamic experimental device, which is characterized in that the settling tank
(6) bottom is equipped with water outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167809.6A CN110064231A (en) | 2019-03-06 | 2019-03-06 | A kind of V-type voltolisation knot dehydration dynamic experimental device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167809.6A CN110064231A (en) | 2019-03-06 | 2019-03-06 | A kind of V-type voltolisation knot dehydration dynamic experimental device |
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| CN110064231A true CN110064231A (en) | 2019-07-30 |
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| CN201910167809.6A Pending CN110064231A (en) | 2019-03-06 | 2019-03-06 | A kind of V-type voltolisation knot dehydration dynamic experimental device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223395A (en) * | 2021-05-12 | 2021-08-06 | 中国石油大学(华东) | Small-size dynamic electric dehydration experiment teaching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1480848A1 (en) * | 1987-06-26 | 1989-05-23 | Государственный научно-исследовательский и проектный институт нефтяной и газовой промышленности им.В.И.Муравленко | Electric dehydrator |
| CN107011938A (en) * | 2017-06-05 | 2017-08-04 | 中国石油大学(华东) | A kind of voltolisation knot is dehydrated dynamic experimental device |
| US20180140972A1 (en) * | 2016-11-23 | 2018-05-24 | Qatar University | Compact electrocoalescer with conical frustum electrodes |
| CN209828348U (en) * | 2019-03-06 | 2019-12-24 | 江苏大学 | V-shaped electric agglomeration dehydration dynamic experimental device |
-
2019
- 2019-03-06 CN CN201910167809.6A patent/CN110064231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1480848A1 (en) * | 1987-06-26 | 1989-05-23 | Государственный научно-исследовательский и проектный институт нефтяной и газовой промышленности им.В.И.Муравленко | Electric dehydrator |
| US20180140972A1 (en) * | 2016-11-23 | 2018-05-24 | Qatar University | Compact electrocoalescer with conical frustum electrodes |
| CN107011938A (en) * | 2017-06-05 | 2017-08-04 | 中国石油大学(华东) | A kind of voltolisation knot is dehydrated dynamic experimental device |
| CN209828348U (en) * | 2019-03-06 | 2019-12-24 | 江苏大学 | V-shaped electric agglomeration dehydration dynamic experimental device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223395A (en) * | 2021-05-12 | 2021-08-06 | 中国石油大学(华东) | Small-size dynamic electric dehydration experiment teaching device |
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