CN106841323A - A kind of oil emulsion water mixed system difference component sub-prime sorting technique high - Google Patents
A kind of oil emulsion water mixed system difference component sub-prime sorting technique high Download PDFInfo
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Abstract
The invention belongs to technical field of petrochemical industry, disclose a kind of oil emulsion water mixed system difference component sub-prime sorting technique high, the method is realized by the galvanic size tester on settling tank external transport pipeline, galvanic size tester is according to the measuring space timing electrical conductivity for setting, determined conductivity data and be transferred to the data processing and logic control system, data processing and logic control system receive conductivity data, corresponded to therewith as calculated value or measured value and deviate size obtained by the threshold value comparison of group phase, realization carrys out the control that fluid valve is turned on and off to each Collecting and dealing system, different group phase purposes in settling tank are separated to reach.The present invention can quickly judge to come whether liquid index (oil phase water content or water phase oil content) meets corresponding PROCESS FOR TREATMENT unit feed index request；Except this, can also complete to oil reservoir, the difference for emulsifying profit mixed transition layer, water layer high, for its follow-up specific aim treatment provides support.
Description
Technical field
It is to be related to a kind of oil mixing with water system sub-prime classification side specifically the invention belongs to technical field of petrochemical industry
Method.
Background technology
In recent years, as oilfield exploitation degree increases, technology of reservoir sweep is developed rapidly, and various chemical dosing measures occupy very big
Deal.Though chemical measure can lift crude output, series of negative influence is also brought, various chemicals are remained in crude oil
Matter, such as：Heavy metal vanadium, nickel, zinc, manganese and iron etc., this brings series of negative influence to follow-up water-oil separating processing system.
Wherein, the aging crude oil (emulsified crude oil high) of oily water sedimenting system is polymer displacement of reservoir oil and other chemical displacement of reservoir oil skills
One of problem caused by art, and have degradating trend year by year.Macromolecular compound can be adsorbed on liquid bead surface, form the suction of stabilization
Attached layer, the adsorption layer is than interface thickness that general surfactant is formed, surface tension is big, hinder liquid pearl coalescence, increased breast
Shape liquid stability.Surfactant can be gathered in oil-water interfaces, being capable of dispersion liquid pearl, obstruction liquid pearl coalescence.
In existing oil extraction technique, crude oil Produced Liquid initially enters standing sedimentation in gathering system settling tank.Profit
Two-phase physical difference, objectionable intermingling, form the aggregation of oil reservoir top in settling tank, and water layer is converged in sedimentation pot bottom.By phase
Interface judges that water mutually enters crude oil production process water deoiling treatment unit, processes rear reinjection into reservoir up to standard.Meanwhile, oil phase enters
Crude oil production system oil dewater treatment unit, processes rear crude oil exporting up to standard.
Except this, in crude refining technique, before crude oil enters ordinary decompression column, desalting and dewatering treatment need to be carried out；I.e. toward crude oil
It is middle to mix a certain amount of fresh water, because water-oil phase chemical bond polarity is different, in causing the mineral salt being dispersed in oil phase to dissolve in water,
Crude oil desalting is realized, subsequent oil-water mixture standing sedimentation in settling tank completes water-oil phase and separates.
Due to the application of chemical displacement of reservoir oil technology, oil-water mixture forms a high emulsibility mistake for stable state degree in settling tank
Layer is crossed, is followed successively by from top to bottom：Crude oil layer-transition zone (Water-In-Oil)-transition zone (water-oil phase mutually mixes layer)-transition zone (water bag
Oil)-water layer.Due to the presence of transition zone, oil-water two-phase interfaces are unclear, and height emulsification profit mixed transition layer is difficult to and oil reservoir or water
Layer difference, causes oily dewater treatment unit to carry out liquid water content exceeded, processing equipment is caused harm, and cause outer oil transportation
Product can not be up to standard.On the other hand, to carry out liquid oil content exceeded for water deoiling treatment unit, is formed and unit for treating water is impacted, and water outlet refers to
Mark can not expire re-injection and require enough.
Based on described above, water-oil phase is distinguished and oil phase, water phase, emulsification profit mixed transition layer high collect into
Where oil-water mixture separating treatment key issue, though there is oil-water two-phase interfaces determining instrument at present, because of high emulsibility mistake
Cross layer presence cause oil-water two-phase interfaces distinguish it is unclear, determining instrument cannot realize the differentiation to oil-water interfaces.In order to meet
Production is needed, and current difference is mutually distinguished and relies primarily on artificial timing sampling measurement judgement, i.e., artificial timing is taken out in output end and surveyed
Amount sample, detects sample moisture content or oil content, judges to come whether liquid index meets the requirement of respective handling process feeds, not only takes
When, and error is larger, and production efficiency is substantially reduced.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of oil emulsion water mixed system difference component sub-prime high point
Whether class method, can quickly judge to carry out liquid index (oil phase water content or water phase oil content) to meet corresponding PROCESS FOR TREATMENT unit and
Material index request；Except this, can also complete to oil reservoir, the difference for emulsifying profit mixed transition layer, water layer high, be its follow-up specific aim
Treatment provides support.
The present invention is achieved by the following technical programs：
A kind of oil emulsion water mixed system difference component sub-prime sorting technique high, the method is carried out in accordance with the following steps：
(1) galvanic size tester is installed additional to the export pipeline of settling tank, and the DOL Data Output Line of the galvanic size tester is connected
Connect data processing and logic control system；And water phase Collecting and dealing system is come control system data wire, the oil of hydraulic control valve
Water mixed transition layer Collecting and dealing system comes the control system data wire of hydraulic control valve, oil phase Collecting and dealing system and carrys out hydraulic control
The control system data wire of valve processed is respectively connected to data processing and logic control system；
(2) the measuring interval time of the galvanic size tester is set；
(3) hydraulic control valve, the oil mixing with water transition zone Collecting and dealing system are come in the water phase Collecting and dealing system
System comes hydraulic control valve, the oil phase Collecting and dealing system and comes in the state of hydraulic control valve is turned off, height emulsification profit mixture
Tie up to standing sedimentation in the settling tank make water-oil phase realize layering after, the water phase Collecting and dealing system carrys out hydraulic control valve
Open, while the galvanic size tester is opened being determined to dielectric conductance rate in the export pipeline of the settling tank；
(4) galvanic size tester is according to medium in the export pipeline of settling tank described in the measuring space timing for setting
Electrical conductivity, is determined conductivity data and is transferred to the data processing and logic control system, the data processing and logic
Control system receives conductivity data, obtains water according to conductivity data and mutually calculate output valve, and calculate continuous n water mutually calculating
The average of output valve A, then water mutually calculated the average of output valve A and the processed maximum of the water phase Collecting and dealing system
Oil-containing irrelevance AαCompare, when the continuous n times water mutually calculates the average of output valve A more than the water phase Collecting and dealing system
That unites processes maximum oil-containing irrelevance AαWhen, the data processing and logic control system send instruction and the water is mutually collected
And processing system comes hydraulic control valve closing, the oil mixing with water transition zone Collecting and dealing system and carrys out hydraulic control valve 8 and open；
Wherein, water mutually calculates output valve A：
In formula：A-water mutually calculates output valve；
κ1Medium is without the electrical conductivity corresponding to water phase under the conditions of oil in-settling tank 1；
κ2Electrical conductivity measured by-galvanic size tester 2；
Wherein, the water phase Collecting and dealing system processes maximum oil-containing irrelevance Aα：
In formula：Aα- water phase Collecting and dealing the system processes maximum oil-containing irrelevance；
CMax- processing for the water phase Collecting and dealing system carrys out liquid highest oil content；
C1The design of-water phase Collecting and dealing the system carrys out liquid oil content；
(5) galvanic size tester continues according to medium electricity in the export pipeline of settling tank described in measuring space timing
Conductance, the conductivity data for being determined is transferred to the data processing and logic control system, the data processing and logic
Control system receives conductivity data, and it is aqueous that the conductivity data and the design of the oil phase Collecting and dealing system are come into liquid
The corresponding electrical conductivity of amount compares, and the electrical conductivity of the mixed liquid of emulsification profit described high measured when continuous n times is less than the oil
When the design of phase Collecting and dealing system carrys out the electrical conductivity corresponding to liquid water content, the data processing and logic control system control
Make the oil mixing with water transition zone Collecting and dealing system and carry out hydraulic control valve closing, the oil phase Collecting and dealing system carrys out hydraulic control
Valve processed is opened.
Wherein, what the export pipeline of the settling tank connected the water phase Collecting and dealing system respectively comes liquid pipe line, institute
Come the liquid pipe line, the oil phase Collecting and dealing system for stating oil mixing with water transition zone Collecting and dealing system carry out liquid pipe line；Institute
State water phase Collecting and dealing system and carry out hydraulic control valve and be arranged at the coming on liquid pipe line of the water phase Collecting and dealing system, the oil
Water mixed transition layer Collecting and dealing system carrys out hydraulic control valve and is arranged at the oil mixing with water transition zone Collecting and dealing system
Come on liquid pipe line, what the oil phase Collecting and dealing system came that hydraulic control valve is arranged at the oil phase Collecting and dealing system carrys out liquid
On pipeline.
In the case of one kind, can by the measuring interval time set t as：
Wherein, medium mean flow rate in settling tank export pipeline described in V-；
Galvanic size tester position described in L- is come hydraulic control valve, the profit and is mixed to the water phase Collecting and dealing system
Close the average departure that transition zone Collecting and dealing system carrys out hydraulic control valve, the oil phase Collecting and dealing system is come between hydraulic control valve
From；
The pendulous frequency of galvanic size tester described in n-, n=3,4 ..., 10.
In another case, the measuring space time t of water phase Collecting and dealing system can respectively be setW, oil mixing with water
The measuring space time t of transition zone Collecting and dealing systemMFor：
Wherein, medium mean flow rate in settling tank export pipeline described in V-；
LW- galvanic size tester the position carrys out the distance of hydraulic control valve to the water phase Collecting and dealing system；
LMHydraulic control valve is carried out in-galvanic size tester the position to the oil mixing with water transition zone Collecting and dealing system
Distance；
The pendulous frequency of galvanic size tester described in n-, n=3,4 ..., 10.
Wherein, the value of n is 3-10 times.
Preferably, the value of n is 5 times.
Oil emulsion water mixed system difference component sub-prime sorting technique high of the invention, using oil, water two-phase dissolution of minerals
Salt conductance sex differernce, builds oil mixing with water liquid system internal conductance rate and aqueous magnitude relation, by right in oil mixing with water liquid system
The purpose calculated to oil-water mixture water content is realized in conductivity measurement, is carried out liquid and is referred in combination with oil, water two-phase each processing unit
Mark is required (i.e.：Oil phase water content, water phase oil content), can also realize accurate to oil reservoir, emulsification profit mixed transition layer high, water layer
The purpose of differentiation, and logic decision foundation can be provided for each phase subsequent processing units carry out hydraulic control valve control system.
Note：Under salinity certain condition, oil mixing with water liquid system need to be built and include mapping pass between water and electrical conductivity
System.
The beneficial effects of the invention are as follows：
Due to the presence of oil emulsion water mixed system transition zone high, the reduction of water-oil phase boundary, general boundary detection
Equipment cannot be realized distinguishing (such as oil emulsion water mixed system oil-water interfaces high：Ultrasonic liquid leveller, radar wave detecting liquid level
Instrument), by method provided by the present invention, it is capable of achieving to classify oil mixing with water architectural difference component sub-prime.
The present invention is mainly by installed in settling tank to oil emulsion water mixed system difference component sub-prime sorting technique high
Galvanic size tester on external transport pipeline realizes that compare phase determination instrument in existing tank body, it feeds back more in time to control system,
Corresponding precision is higher, can the change of canbe used on line real-time monitoring tank body discharge liquor homogeneous；Based on oil mixing with water system sub-prime classification threshold
It is to carry out liquid technic index gained by follow-up each processing unit that value is defined, therefore this method has more with follow-up profit each processing unit
Good concertedness.
Brief description of the drawings
Fig. 1 is the schematic diagram of oil emulsion water mixed system difference component sub-prime sorting technique high provided by the present invention.
In above-mentioned figure：1st, settling tank；2nd, galvanic size tester；3rd, oil phase Collecting and dealing system carrys out hydraulic control valve；4th, oil phase
Collecting and dealing system；5th, oil mixing with water transition zone Collecting and dealing system；6th, water phase Collecting and dealing system；7th, water is mutually collected
And processing system carrys out hydraulic control valve；8th, oil mixing with water transition zone Collecting and dealing system carrys out hydraulic control valve.
Specific embodiment
For the content of the invention of the invention, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing
Describe in detail as follows：
As shown in figure 1, the invention provides a kind of oil emulsion water mixed system difference component sub-prime sorting technique high, the party
Method is carried out in accordance with the following steps：
(1) galvanic size tester 2 is installed additional to the export pipeline of settling tank 1, and the DOL Data Output Line of galvanic size tester 2 is connected
Data processing and logic control system；And water phase Collecting and dealing system is come control system data wire, the profit of hydraulic control valve 7
Mixed transition layer Collecting and dealing system comes the control system data wire of hydraulic control valve 8, oil phase Collecting and dealing system and carrys out hydraulic control
The control system data wire of valve processed 3 is respectively connected to data processing and logic control system.The export pipeline of settling tank 1 connects water respectively
Phase Collecting and dealing system 6 come liquid pipe line, oil mixing with water transition zone Collecting and dealing system 5 come liquid pipe line, oil phase collect
And processing system 4 carrys out liquid pipe line.Water phase Collecting and dealing system carrys out hydraulic control valve 7 and is arranged at water phase Collecting and dealing system 6
Come on liquid pipe line, oil mixing with water transition zone Collecting and dealing system come hydraulic control valve 8 be arranged at oil mixing with water transition zone collection
And processing system 5 is come on liquid pipe line, oil phase Collecting and dealing system carrys out hydraulic control valve 3 and is arranged at oil phase Collecting and dealing system
4 come on liquid pipe line.
(2) consider that rate-of flow fluctuation in the export pipeline of settling tank 1, component content fluctuation are determined to galvanic size tester 2
Influence, can divide following two situations to choose the measuring interval time；
Situation one, when each Collecting and dealing system, (water phase Collecting and dealing system 6, oil mixing with water transition zone is collected and located
Reason system 5, oil phase Collecting and dealing system 4) to come liquid component fluctuation impact resistance it is stronger when (criterion is generally and carrys out liquid
Homogeneous fluctuation maximum deviation degree is more than 8%)：
With medium mean flow rate V (units in the export pipeline of settling tank 1：Meter per second or m/s), the position of galvanic size tester 2
(water phase Collecting and dealing system is come hydraulic control valve 7, oil mixing with water transition zone and is collected to carry out hydraulic control valve to each Collecting and dealing system
And processing system comes hydraulic control valve 8, oil phase Collecting and dealing system and carrys out hydraulic control valve 3) between average distance L (units：Meter Huo
M) and setting pendulous frequency n, estimated intervals minute t (units：Second or s)；N is desirable 3 to 10 times, can be according to each receipts
Collection and processing system technique come liquid medium design objective and each processing unit impact resistance setting measurement number of times；
That is measuring interval time t：
Situation two, when each Collecting and dealing system, (water phase Collecting and dealing system 6, oil mixing with water transition zone is collected and located
Reason system 5, oil phase Collecting and dealing system 4) to come liquid component fluctuation impact resistance it is weaker when (criterion is generally and carrys out liquid
Homogeneous fluctuation maximum deviation degree is less than 8%)：
Carry out liquid index request to meet each Collecting and dealing system, ensure each Collecting and dealing system discharge liquor indices
It is up to standard, the measuring space time of water phase Collecting and dealing system 6 and oil mixing with water transition zone Collecting and dealing system 5 is determined respectively
tWAnd tM(unit：Second or s).Because each component content value cannot determine in settling tank 1, therefore with the export pipeline of settling tank 1
Medium mean flow rate V (units：Meter per second or m/s) as estimation foundation；Pendulous frequency n typically takes 3 to 10 times, according to each collection
And processing system comes liquid medium design objective and each processing unit impact resistance setting measurement number of times；Length chooses conductance respectively
The position of analyzer 2 arrives water phase Collecting and dealing system and comes hydraulic control valve 7, oil mixing with water transition zone Collecting and dealing system respectively
System come hydraulic control valve 8 apart from LW、LM(unit：Rice or m),
That is the measuring space time t of water phase Collecting and dealing system 6W, oil mixing with water transition zone Collecting and dealing system 5
Measuring space time tMRespectively：
(3) logic control decision method：Deviation as obtained by calculated value or measured value are compared with corresponding group of phase threshold value is big
Small, realization carrys out the control being turned on and off of fluid valve to each Collecting and dealing system, and different groups in settling tank 1 are separated to reach
Phase purpose.
Concretely comprise the following steps：
(1) under original state, water phase Collecting and dealing system comes hydraulic control valve 7, oil mixing with water transition zone Collecting and dealing
System comes hydraulic control valve 8, oil phase Collecting and dealing system and carrys out hydraulic control valve 3 to be closed mode.When height emulsification profit mixture
Tie up to standing sedimentation in settling tank 1 after 3-5 days, causes water-oil phase to realize layering, now water phase because water-oil phase is immiscible
Collecting and dealing system is carried out hydraulic control valve 7 and is opened, and oil mixing with water transition zone Collecting and dealing system carrys out hydraulic control valve 8, oil phase receipts
Collection and processing system carry out hydraulic control valve 3 and continue to remain off；Galvanic size tester 2 is opened to the export pipeline of settling tank 1 simultaneously
Interior dielectric conductance rate is determined.
(2) galvanic size tester 2 is according to measuring space time t or tWThe electrical conductivity of medium in the export pipeline of settling tank 1 is determined,
Determined conductivity data and be transferred to data processing and logic control system, data processing and logic control system are received conductance
Rate data, obtain water and mutually calculate output valve according to conductivity data, and calculate that continuous n=5 times (span of n is generally 3-
10 times) water mutually calculates the average of output valve A, then water is mutually calculated the average of output valve A with mutually collected as the water of threshold value and
Processing system 6 processes maximum oil-containing irrelevance AαCompare.
With in settling tank 1, aqueous media is reduced, remaining media electrical conductivity reduction, when continuous 5 water mutually calculates output valve A
Average process maximum oil-containing irrelevance A more than water phase Collecting and dealing system 6αWhen, show mutually to collect and locate into water
Oil content in reason system 6 is exceeded, and now, data processing and logic control system send instruction and make water phase Collecting and dealing system
Come that hydraulic control valve 7 is closed, oil mixing with water transition zone Collecting and dealing system is carried out hydraulic control valve 8 and opened, and oil phase Collecting and dealing
System carrys out hydraulic control valve 3 and continues to remain off.
Wherein, water mutually calculates output valve A：
In formula：A-water mutually calculates output valve；
κ1Medium is without the electrical conductivity corresponding to water phase under the conditions of oil, (unit in-settling tank 1：Siemens or S)；
κ2Electrical conductivity measured by-galvanic size tester 2, (unit：Siemens or S)；
Wherein, water phase Collecting and dealing system 6 processes maximum oil-containing irrelevance Aα：
In formula：Aα- water phase Collecting and dealing system 6 processes maximum oil-containing irrelevance；
CMaxProcessing for-water phase Collecting and dealing system 6 comes liquid highest oil content, (unit：Milligram liters-1Or mg.L-1)；
C1The design of-water phase Collecting and dealing system 6 comes liquid oil content, (unit：Milligram liters-1Or mg.L-1)。
(3) galvanic size tester 2 continues according to measuring space time t or tMDetermine the electricity of medium in the export pipeline of settling tank 1
Conductance, the conductivity data for being determined is transferred to data processing and logic control system, data processing and logic control system
Conductivity data is received, and the design of the conductivity data and oil phase Collecting and dealing system 4 is come corresponding to liquid water content
Electrical conductivity compares.
With the reduction of the mixed liquid (aging oil reservoir) of emulsification profit high in settling tank 1, water content in the mixed liquid of height emulsification profit
Decrease, electrical conductivity is gradually reduced.When the oil emulsion high that continuous n=5 times (span of n is generally 3-10 times) measures
When the electrical conductivity of the mixed liquid of water carrys out the electrical conductivity corresponding to liquid water content less than the design of oil phase Collecting and dealing system 4, at data
Reason and logic control system control oil mixing with water transition zone Collecting and dealing system are carried out hydraulic control valve 8 and are closed, and oil phase is collected and located
Reason system is carried out hydraulic control valve 3 and is opened, and water phase Collecting and dealing system carrys out hydraulic control valve 7 and continues to close.
The present invention can ensure that water-oil phase Collecting and dealing system carrys out liquid homogeneous index and meets respective handling technological design
Index request, prevents emulsification profit mixed transition layer high to be mixed into water phase Collecting and dealing system 6 or oil phase Collecting and dealing system
4, impacted it.To verify implementation result of the invention, spy does following evaluation and verifies：
Checking one：Water phase Collecting and dealing system 6 carrys out liquid index verification.After realizing water-oil separating through the above method, from water
Tank body tapping line multiple repairing weld is mutually collected, labor measurement is taken out sample and contains oil index, and the index is less than follow-up water phase processor system
System carrys out the maximum treatment design objective of oil content in liquid water；
Checking two：Oil phase Collecting and dealing system 4 carrys out liquid homogeneous index verification.Without implementation the application patented technology side
Before case, oil phase Collecting and dealing system 4 carrys out liquid homogeneous index to be influenceed by blending emulsification transition zone oil-water mixture high, water content
It is higher, cause oily dehydration equipment problem continuous (such as：The problems such as electro-dewatering apparatus climb arc short circuit).After this method, oil phase is received
Collection and processing system 4 carry out liquid homogeneous index oil phase water content less than the technique homogeneous design objective, and meeting subsequent treatment process will
Ask.To verify this section of oil-water separation, using detection oil phase collecting tank discharge media water-bearing figureofmerit, by many sub-samplings,
Manual detection extraction sample oil water content, and carry out liquid homogeneous design objective with oil treatment system and compare (oily water content), its result
To carry out liquid water content less than technique homogeneous design objective requirement；
Checking three：Oil mixing with water transition zone Collecting and dealing system 5 carrys out liquid homogeneous index verification.The system is to prevent
Height emulsification oil-water mixture mixes water phase or oil phase processing system is impacted to it, and transformation is added and formed.To verify this section of work
Skill separating effect, being collected in the outer comb line of process tank using many sub-samplings detection ageing oil derives medium each component index, sample
Water content is met more than oil phase treatment process design index, and oil content is carried out liquid treatment design maximum and referred to higher than water phase processor system
Mark.
It can be seen that, by above method, finally realize oil emulsion water mixed system difference component sub-prime classification high in settling tank 1
Precisely enter respective processing system, i.e. water and mutually enter water phase Collecting and dealing system 6, oil mixing with water transition zone Collecting and dealing system
System 5, oil phase enters oil phase Collecting and dealing system 4.
Although being described to the preferred embodiments of the present invention above in conjunction with accompanying drawing, the invention is not limited in upper
The specific embodiment stated, above-mentioned specific embodiment is only schematical, be not it is restricted, this area it is common
Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under enlightenment of the invention
To make the specific conversion of many forms, these are belonged within protection scope of the present invention.
Claims (6)
1. a kind of oil emulsion water mixed system difference component sub-prime sorting technique high, it is characterised in that the method is according to following step
Suddenly carry out：
(1) galvanic size tester is installed additional to the export pipeline of settling tank, and the DOL Data Output Line of the galvanic size tester is connected into number
According to treatment and logic control system；And water phase Collecting and dealing system is come into the control system data wire of hydraulic control valve, profit mix
Conjunction transition zone Collecting and dealing system comes the control system data wire of hydraulic control valve, oil phase Collecting and dealing system and carrys out hydraulic control valve
Control system data wire be respectively connected to data processing and logic control system；
(2) the measuring interval time of the galvanic size tester is set；
(3) hydraulic control valve, the oil mixing with water transition zone Collecting and dealing system are come in the water phase Collecting and dealing system
Hydraulic control valve, the oil phase Collecting and dealing system are come in the state of hydraulic control valve is turned off, and oil emulsion water mixed system high exists
After standing sedimentation makes water-oil phase realize layering in the settling tank, the water phase Collecting and dealing system is carried out hydraulic control valve and is beaten
Open, while the galvanic size tester is opened being determined to dielectric conductance rate in the export pipeline of the settling tank；
(4) galvanic size tester is according to dielectric conductance in the export pipeline of settling tank described in the measuring space timing for setting
Rate, is determined conductivity data and is transferred to the data processing and logic control system, the data processing and logic control
System receives conductivity data, obtains water according to conductivity data and mutually calculate output valve, and calculate continuous n water mutually calculating output
The average of value A, what then water mutually calculated the average of output valve A and the water phase Collecting and dealing system processes maximum oil-containing
Irrelevance AαCompare, when the continuous n times water mutually calculates the average of output valve A more than the water phase Collecting and dealing system
Maximum oil-containing irrelevance A can be processedαWhen, the data processing and logic control system send instruction and the water is mutually collected and is located
Reason system comes hydraulic control valve closing, the oil mixing with water transition zone Collecting and dealing system and carrys out hydraulic control valve 8 and open；
Wherein, water mutually calculates output valve A：
In formula：A-water mutually calculates output valve；
κ1Medium is without the electrical conductivity corresponding to water phase under the conditions of oil in-settling tank 1；
κ2Electrical conductivity measured by-galvanic size tester 2；
Wherein, the water phase Collecting and dealing system processes maximum oil-containing irrelevance Aα：
In formula：Aα- water phase Collecting and dealing the system processes maximum oil-containing irrelevance；
CMax- processing for the water phase Collecting and dealing system carrys out liquid highest oil content；
C1The design of-water phase Collecting and dealing the system carrys out liquid oil content；
(5) galvanic size tester continues according to dielectric conductance in the export pipeline of settling tank described in measuring space timing
Rate, the conductivity data for being determined is transferred to the data processing and logic control system, the data processing and logic control
System processed receives conductivity data, and the conductivity data is come into liquid water content with the design of the oil phase Collecting and dealing system
Corresponding electrical conductivity compares, and the electrical conductivity of the mixed liquid of emulsification profit described high measured when continuous n times is less than the oil phase
When the design of Collecting and dealing system carrys out the electrical conductivity corresponding to liquid water content, the data processing and logic control system are controlled
The oil mixing with water transition zone Collecting and dealing system carrys out hydraulic control valve closing, and the oil phase Collecting and dealing system carrys out hydraulic control system
Valve is opened.
2. a kind of oil emulsion water mixed system difference component sub-prime sorting technique high according to claim 1, its feature exists
Come liquid pipe line, the oil mixing with water in what the export pipeline of, the settling tank connected the water phase Collecting and dealing system respectively
Come the liquid pipe line, the oil phase Collecting and dealing system of transition zone Collecting and dealing system carry out liquid pipe line；The water is mutually collected
And processing system carrys out hydraulic control valve and is arranged at the coming on liquid pipe line of the water phase Collecting and dealing system, the oil mixing with water transition
Layer Collecting and dealing system carrys out hydraulic control valve and is arranged at the coming on liquid pipe line of the oil mixing with water transition zone Collecting and dealing system,
The oil phase Collecting and dealing system carrys out hydraulic control valve and is arranged at the coming on liquid pipe line of the oil phase Collecting and dealing system.
3. a kind of height according to claim 1 emulsifies oil-water mixture oil-water two-phase interfaces decision method, it is characterised in that
The measuring interval time set t as：
Wherein, medium mean flow rate in settling tank export pipeline described in V-；
Hydraulic control valve, the oil mixing with water mistake are come in galvanic size tester position described in L- to the water phase Collecting and dealing system
Cross the average distance that layer Collecting and dealing system carrys out hydraulic control valve, the oil phase Collecting and dealing system is come between hydraulic control valve；
The pendulous frequency of galvanic size tester described in n-, n=3,4 ..., 10.
4. a kind of oil emulsion water mixed system difference component sub-prime sorting technique high according to claim 1, its feature exists
In, respectively set water phase Collecting and dealing system measuring space time tW, oil mixing with water transition zone Collecting and dealing system
Measuring space time tMFor：
Wherein, medium mean flow rate in settling tank export pipeline described in V-；
LW- galvanic size tester the position carrys out the distance of hydraulic control valve to the water phase Collecting and dealing system；
LM- galvanic size tester the position to the oil mixing with water transition zone Collecting and dealing system come hydraulic control valve away from
From；
The pendulous frequency of galvanic size tester described in n-, n=3,4 ..., 10.
5. a kind of oil emulsion water mixed system difference component sub-prime sorting technique high according to claim 1, its feature exists
In the value of n is 3-10 times.
6. a kind of oil emulsion water mixed system difference component sub-prime sorting technique high according to claim 5, its feature exists
In the value of n is 5 times.
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