CN207016729U - A kind of processing unit of the old oil emulsion in oil field - Google Patents
A kind of processing unit of the old oil emulsion in oil field Download PDFInfo
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- CN207016729U CN207016729U CN201720933776.8U CN201720933776U CN207016729U CN 207016729 U CN207016729 U CN 207016729U CN 201720933776 U CN201720933776 U CN 201720933776U CN 207016729 U CN207016729 U CN 207016729U
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Abstract
The utility model discloses the processing unit of the old oil emulsion in oil field, including quenched tank, heat exchanger, Water Tank, solid waste tank, good oil tank, sludge pump and centrifuge, wherein, further comprise thering is old emulsification reconditioner and grieshoch processing unit.Old oil emulsion is divided into four phases, the net oil degenerating area on upper strata, the grieshoch area in intermediate layer, the pool of lower floor and the mud area of bottom in old emulsification reconditioner；The pool of lower floor and the mud area of bottom are plasma pulse demulsification electrode district, and equipped with plasma pulse demulsification electrode, plasma pulse demulsification electrode insulate with tank body, and is connected with the control power supply outside tank body；Grieshoch area is equipped with grieshoch collector tube, is connected with the motor-driven valve outside tank body, and equipped with coalescence dehydration electrode, coalescence dehydration electrode insulate the net oil degenerating area top area on upper strata with tank body, and is connected with the high frequency pulse power supply outside tank body.The utility model is simple in construction, application method, can effectively improve the purification separation efficiency of old oil emulsion, and energy consumption is low, and effluent is free of contamination, can produce great economic benefit.
Description
Technical field
PETROLEUM PROCESSING processing technology field is the utility model is related to, is specifically related to a kind of processing dress of the old oil emulsion in oil field
Put.
Background technology
Old oil emulsion be in oil extraction process Produced Liquid ground conveying, storage and processing procedure in due to technique, add
Add crude oil accessory substance caused by the reasons such as chemicals, essentially from oil field ground gathering system oil tank settling tank, contaminated-oil basin
（Cabin）, accident pool, emulsify oil sump always（Tank）.Old oil emulsion is by heavy crude, pitch, water, silt and various surfactants
Mixture, typically by oil-in-water (O/W), Water-In-Oil (W/O) and suspended solid (mechanical admixture for containing about 1-5%)
Composition, and emulsification is abundant, viscosity is big, belongs to highly stable, sticky heterogeneous system, the breast formed by prolonged be enriched with
Carburetion.Old oil emulsion forming process due to chemical reaction and solid particle polluter, high-molecular compound, sewage treatment drug,
The emulsifying agents such as increasing yield and injection chemical agent are mixed into, and make the increase of its interface active agent, and continuous in oil-water interfaces with time lengthening
Enrichment, makes interface film strength and thickness increase form the very high crude oil emulsion of stability, has higher emulsibility, stronger
Corrosivity, have a strong impact on crude Treatment system normal operation.And emulsification is serious, Oil Water Sludge Separation is difficult, is produced to oil field
Very big hidden danger is brought with environmental protection, urgent need will be handled.
For this old oil emulsion, have at present and joint centrifuging treatment is washed using heat chemistry（That is general processing side
Method：Agent-feeding treatment and/or centrifugal treating method）.Agent-feeding treatment method, caused waste water can cause very big problem of environmental pollution, existing
Gradually eliminated.The centrifugal treating method such as U of Chinese patent application CN 205199747 disclose a kind of old oil emulsion multistage wing
Piece centrifugal separating device, it includes separation body and the transmission device below the separation body, the separation body
Inner hollow, and tapered ampuliform, the top of the separation body are provided with charging aperture, and top is provided with light liquids outlet and heavy
Liquid outlet, inside are provided with rotary drum, rotary drum lid and feed pipe, and the rotary drum includes rotary drum frame and separation vane cluster, the rotary drum
Frame inner hollow, and tapered ampuliform, including it is vertically connected with integral rotary drum frame neck and rotary drum stand, the separation vane cluster
It is laminated by the separation fin interval of multistage upside down funnel mouth shape, the rotary drum frame neck is surrounded by tubular grid,
The bottom of the grid is fixedly connected with the lateral wall of the rotary drum stand, and every grade of separation fin is fixed with the grid
Connection, the rotary drum lid is in upside down funnel mouth shape, and is fixedly connected with the feed pipe, and the separation vane cluster turns positioned at described
Between drum lid and the rotary drum stand, described feed pipe one end connects with the charging aperture, and the other end stretches into the rotary drum frame neck,
And with being connected inside the rotary drum stand, the rotary drum frame neck is flexibly connected with the feed pipe, make the rotary drum frame can be around
The feed pipe rotates, the top of the transmission device be provided with the rotating shaft for separating organism bottom flexible connection, described turn
Axle is penetrated in the seperator body, and is flexibly connected with the rotary drum stand, so as to drive the rotary drum frame to rotate.This centrifugation
The water of facture, mud handling rate can reach 90% or so, but it is possible to consume huge, electricity consumption production cost is high, is unfavorable for throwing extensively
Enter production.Handle old oil emulsion using centrifugal process, caused by result be the of short duration decrement of old oil emulsion, but for a long time in centrifuge
Sewage system old oil emulsion it is more stable, it more difficult to handle；Old oil emulsion can only be stored in individually by most of oil field mining site
It is cumulative in tank or cabin, production space is occupied, wastes substantial amounts of resource, and form potential safety hazard.
In view of this technical problem, it is necessary to there is a kind of simple in construction, application method, can effectively improve old oil emulsion
Purification separation efficiency, and energy consumption is low, effluent is free of contamination, can produce a kind of old oil emulsion in oil field of great economic benefit
Processing unit.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, application method, can effectively improve old oil emulsion
Purification separation efficiency, and energy consumption is low, effluent is free of contamination, can produce a kind of old oil emulsion in oil field of great economic benefit
Processing unit.
To realize the utility model purpose, the utility model provides the processing unit of the old oil emulsion in oil field, including quenched
Tank, heat exchanger, Water Tank, solid waste tank, good oil tank, sludge pump and centrifuge, the quenched tank are CN 204298338
High-frequency pulse crude oil dehydration device disclosed in U, the solid waste tank, Water Tank oil tank of becoming reconciled are common double tubular
Tank, the heat exchanger are the double-decker with water circulating pipe, inner laminar flow promoting lactation carburetion, and outer layer circulates the circulation of heat exchange
Water, the old oil emulsion for flowing through heat exchanger is heated to 40 DEG C ~ 80 DEG C by heat exchanger, it is characterised in that further comprise having always
Emulsify reconditioner and grieshoch processing unit.
Further, emulsification reconditioner includes tank body always, and the top of tank body is disposed with manhole from left to right, peace
Full valve mouth and level adjuster mouth, the bottom of the tank body row's of being disposed with sediment port, row's sediment port, row's sediment port from left to right,
The left end of tank body is disposed with old emulsification oil-in from up to down and manhole, the right-hand member of tank body are disposed with only from up to down
Carburetion exports and water out, the side wall middle and lower part of tank body are provided with grieshoch impurity collection port, old in reconditioner emulsifying always
Oil emulsion is divided into four phases, the net oil degenerating area on upper strata, the grieshoch area in intermediate layer, the pool of lower floor and the mud area of bottom；Lower floor
Pool and the mud area of bottom are plasma pulse demulsification electrode district, equipped with plasma pulse demulsification electrode, plasma pulse demulsification
Electrode insulate with tank body, and is connected with the control power supply outside tank body；Grieshoch area is equipped with grieshoch collector tube, and electronic outside tank body
Valve is connected, and the net oil degenerating area top area on upper strata is equipped with coalescence dehydration electrode, and coalescence dehydration electrode insulate with tank body, and and tank body
Outside high frequency pulse power supply connection.
Further, grieshoch processing unit top is open-like shape, and grieshoch processing unit bottom is in funnel-form, and grieshoch processing fills
The top put is equipped with apparatus for scratching dirt, and apparatus for scratching dirt is tabular, and push rod, push rod and a side wall of grieshoch processing unit are connected with apparatus for scratching dirt
Connection is plugged together, another side wall of grieshoch processing unit is integrally formed to be provided with skewed slot, and skewed slot is connected with solid waste tank,
Push rod is promoted apparatus for scratching dirt is pushed the scum silica frost for floating over liquid level and dirt to skewed slot and then enter in solid waste tank；At grieshoch
Reason device bottom, the bottom of solid waste tank be connected by pipeline with sludge pump, sludge pump by its content deliver to from
Scheming.
Further, electrocoagulation processing unit, electrocoagulation processing unit and the external world are provided with the middle part of grieshoch processing unit
Control power electric connection, the middle and upper part of grieshoch processing unit is provided with leakage fluid dram, the waste water of leakage fluid dram be discharged into Water Tank or
The entrance for importing grieshoch processing unit by conduit again is handled again.
Further, it is high-frequency pulse crude oil dehydration disclosed in the U of CN 204304760 to control power supply, high frequency pulse power supply
Power supply.
Plasma pulse demulsification electrode：Mainly water is polarized using impulse electric field heterogeneous.In the work of electric field force
Under, the negative ions of oil-containing quickly move to the positive negative direction of electric field in water, and electric field change is faster, and intensity is bigger, to film
Impulsive force is stronger, so as to form effective demulsification.
Coalescence dehydration electrode（As high-voltage pulse battery lead plate）：After emulsifying film rupture (after demulsification), water clusters or cluster
In the presence of additional magnetic field force, larger droplet or impurity nucleus are formed, and further coalesced in the presence of electric field force
For particle.By Action of Gravity Field, the globule moves down with particle, forms water layer.
The advantages of the utility model is：Simple in construction, application method, the purification separation that can effectively improve old oil emulsion is imitated
Rate, and energy consumption is low, effluent is free of contamination, can produce great economic benefit.We are directed to ageing oil utility model one kind
Handling process and method, it can inherently reduce ageing oil and can be purified oil, turn waste into wealth, and adapt to different crude oils
The ageing oil of physical property.The ageing oil in oil field is transported to pretreatment tank by us, is heated to 40-80 DEG C in pretreatment tank, is passed through
Pipe-line mixer adds electrolytic saltwater or electrolytic seawater, stirring at low speed or aeration agitation directly into tank（Gas is
Inert gas）, then preprocessor go out liquid and enter high-frequency impulse dehydration device, it is miscellaneous to carry out oil, water, cotton-shaped impurity, solid mechanical
Four separation of matter, the fuel-displaced oil field purification oil that reaches require that water outlet is directly outer after the processing of rear end sewage filter system to arrange, middle
Fleece shape impurity becomes to precipitate bed mud removal after electrocoagulation is handled, and the bottom sediment impurity after separating is periodically at discharge
Reason.
Technical principle
Pretreatment：Electrocatalysis water intermediate ion, generation hydroxy radical OH oxidisability is extremely strong, can effectively destroy oil droplet
Surface tension σ values, make oil droplet de- steady.
High-frequency impulse electric field coalesces：Water is polarized by pulse highfield heterogeneous, high frequency polarized globule production
Frictional heat constantly overcomes film-strength in life, while gradually assembles to be formed compared with large water drop Accelerated subsidence to the big direction of electric-field intensity.
All positive and negative ion containing salt inside droplet in oil, after impulse electric field, these negative ions can be to electric field
Positive and negative direction quickly moves, and the frequency of impulse electric field is higher, and average impact is stronger, increases the impulsive force to emulsifying film.Electricity
Field moment by zero jumps to maximum, the positive and negative ion in the globule is accelerated to greatest extent, emulsifying film is formed
Impact the strongest.So as to form effective demulsification.Meanwhile electric field action produces unique effect reality in the different fluid of property
Existing water-oil separating.
Electrocoagulation：Hydroxyl radical free radical caused by oxidizing, flocculating combination electrode and the coagulant of nascent state, with the suspension in water
Material generation, coagulation, absorption, complexing and displacement etc. act on, and are allowed to be removed rapidly；Under the electrolysis of electrode, make in water
Colloidal state impurity, suspended impurity, with hydroxo complex condense and generate precipitate.
Ageing oil carrys out liquid index
Water in oil：30 ~ 60%
Cotton-shaped impurity in oil：≤ 30%
Solid-state machinery impurity in oil：≤ 5%
Index after processing
Water in oil after processing：≤ 5%
Cotton-shaped impurity in oil after processing：≤ 10%
Solid mechanical impurity in oil after processing：≤ 1%
Water outlet oil-containing：≤50mg/L.
Brief description of the drawings
Fig. 1 is the structural representation of old emulsification reconditioner of the present utility model；
Fig. 2 is the parts transversely section schematic diagram of old emulsification reconditioner of the present utility model；
Fig. 3 is longitudinal section schematic diagram of old emulsification reconditioner of the present utility model；
Fig. 4 is the structural representation of grieshoch processing unit of the present utility model.
Brief description of the drawings：
1st, oil-in 2, purification oil export 3, water out 4, grieshoch impurity collection port are emulsified always
5th, manhole a 6, manhole b 7, row's sediment port a 8, row's sediment port b
9th, sediment port c 10, relief valve port 11, level adjuster mouth 12, sample tap are arranged
13rd, net oil degenerating area 14, grieshoch area 15, pool 16, tank body
17th, coalescence dehydration electrode 18, plasma pulse demulsification electrode 19, push rod 20, grieshoch processing unit
21st, apparatus for scratching dirt 22, skewed slot 23, solid waste tank 24, sludge pump
25th, centrifuge 26, electrocoagulation processing unit 27, leakage fluid dram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.As Figure 1-Figure 4, Fig. 1 is that this practicality is new
The structural representation of the old emulsification reconditioner of type.Fig. 2 is the parts transversely of old emulsification reconditioner of the present utility model
Section schematic diagram；Fig. 3 is longitudinal section schematic diagram of old emulsification reconditioner of the present utility model；Fig. 4 is the utility model
Grieshoch processing unit structural representation.
The processing unit of the old oil emulsion in the utility model oil field, including quenched tank, heat exchanger, Water Tank, solid waste
Tank, good oil tank, sludge pump and centrifuge, the quenched tank are that high-frequency pulse crude oil dehydration disclosed in the U of CN 204298338 fills
Put, the solid waste tank, Water Tank oil tank of becoming reconciled are common double tubular tank, and the heat exchanger is with water-circulating pipe
The double-decker in road, inner laminar flow promoting lactation carburetion, the recirculated water of outer layer circulation heat exchange, the old of heat exchanger will be flowed through by heat exchanger
Oil emulsion is heated to 40 DEG C ~ 80 DEG C, it is characterised in that further comprises thering is old emulsification reconditioner and grieshoch processing unit.
Further, emulsification reconditioner includes tank body 16 always, and the top of tank body 16 is disposed with manhole a5 from left to right, safety
Valve port 10 and level adjuster mouth 11, the bottom of tank body 16 row's of being disposed with sediment port a7, row's sediment port b8, row from left to right
Sediment port c9, the left end of tank body 16 are disposed with old emulsification oil-in 1 and manhole b6 from up to down, and the right-hand member of tank body 16 is from upper
Purification oil export 2 is disposed with downwards and water out 3, the side wall middle and lower part of tank body 16 are provided with grieshoch impurity collection port 4,
Old oil emulsion is divided into four phases in old emulsification reconditioner, the net oil degenerating area 13 on upper strata, the grieshoch area 14 in intermediate layer, lower floor
Pool 15 and the mud area of bottom；The pool 15 of lower floor and the mud area of bottom are plasma pulse demulsification electrode district, equipped with plasma
Pulse demulsification electrode 18, plasma pulse demulsification electrode 18 insulate with tank body 16, and is connected with the control power supply outside tank body 16；
Grieshoch area 14 is equipped with grieshoch collector tube, is connected with the motor-driven valve outside tank body 16, and the top area of net oil degenerating area 13 on upper strata is equipped with poly-
Knot dehydration electrode 17, coalescence dehydration electrode 17 insulate with tank body 16, and is connected with the high frequency pulse power supply outside tank body 16.Enter one
Step, the top of grieshoch processing unit 20 is open-like shape, and the bottom of grieshoch processing unit 20 is in funnel-form, grieshoch processing unit 20 it is upper
Portion is equipped with apparatus for scratching dirt 21, and apparatus for scratching dirt 21 is tabular, and push rod 19, push rod 19 and grieshoch processing unit 20 are connected with apparatus for scratching dirt 21
One side wall plugs together connection, and another side wall of grieshoch processing unit 20 is integrally formed to be provided with skewed slot 22, and skewed slot 22 gives up with solid
Gurry tank 23 is connected, and promotes push rod 19 apparatus for scratching dirt 21 is pushed the scum silica frost for floating over liquid level and dirt to skewed slot 22 and then enter
In solid waste tank 23；The bottom of grieshoch processing unit 20, the bottom of solid waste tank 23 pass through pipeline and sludge pump 24
It is connected, its content is delivered to centrifuge 25 by sludge pump 24.Further, the middle part of grieshoch processing unit 20 is provided with coagulation
Poly- processing unit 26, electrocoagulation processing unit 26 and extraneous control power electric connection, the middle and upper part of grieshoch processing unit 20 is set
Leakage fluid dram 27 is equipped with, the waste water of leakage fluid dram 27 is discharged into Water Tank or entered again by the entrance of conduit importing grieshoch processing unit 20
Row is handled again.Further, it is that high-frequency impulse crude oil disclosed in the U of CN 204304760 takes off to control power supply, high frequency pulse power supply
Water power source.
Plasma pulse demulsification electrode：Mainly water is polarized using impulse electric field heterogeneous.In the work of electric field force
Under, the negative ions of oil-containing quickly move to the positive negative direction of electric field in water, and electric field change is faster, and intensity is bigger, to film
Impulsive force is stronger, so as to form effective demulsification.
Coalescence dehydration electrode（As high-voltage pulse battery lead plate）：After emulsifying film rupture (after demulsification), water clusters or cluster
In the presence of additional magnetic field force, larger droplet or impurity nucleus are formed, and further coalesced in the presence of electric field force
For particle.By Action of Gravity Field, the globule moves down with particle, forms water layer.
The utility model technical principle
Pretreatment：Electrocatalysis water intermediate ion, generation hydroxy radical OH oxidisability is extremely strong, can effectively destroy oil droplet
Surface tension σ values, make oil droplet de- steady.
High-frequency impulse electric field coalesces：Water is polarized by pulse highfield heterogeneous, high frequency polarized globule production
Frictional heat constantly overcomes film-strength in life, while gradually assembles to be formed compared with large water drop Accelerated subsidence to the big direction of electric-field intensity.
All positive and negative ion containing salt inside droplet in oil, after impulse electric field, these negative ions can be to electric field
Positive and negative direction quickly moves, and the frequency of impulse electric field is higher, and average impact is stronger, increases the impulsive force to emulsifying film.Electricity
Field moment by zero jumps to maximum, the positive and negative ion in the globule is accelerated to greatest extent, emulsifying film is formed
Impact the strongest.So as to form effective demulsification.Meanwhile electric field action produces unique effect reality in the different fluid of property
Existing water-oil separating.
Electrocoagulation：Hydroxyl radical free radical caused by oxidizing, flocculating combination electrode and the coagulant of nascent state, with the suspension in water
Material generation, coagulation, absorption, complexing and displacement etc. act on, and are allowed to be removed rapidly；Under the electrolysis of electrode, make in water
Colloidal state impurity, suspended impurity, with hydroxo complex condense and generate precipitate.
Ageing oil carrys out liquid index
Water in oil：30 ~ 60%
Cotton-shaped impurity in oil：≤ 30%
Solid-state machinery impurity in oil：≤ 5%
Index after processing
Water in oil after processing：≤ 5%
Cotton-shaped impurity in oil after processing：≤ 10%
Solid mechanical impurity in oil after processing：≤ 1%
Water outlet oil-containing：≤50mg/L.
When the utility model uses：
A, old oil emulsion enters adds the salt solution that salt content is 0.5 ~ 21% in quenched tank after quenched tank, add salt solution
Measure as the 0.3% ~ 5% of old oil emulsion treating capacity, salt solution is broken as catalyst and the electromagnetic pulse battery lead plate in quenched tank
Breast reaction, old oil emulsion enters the heat exchanger of later procedure after demulsification reaction, and old oil emulsion is warming up to 40 DEG C ~ 80 by heat exchanger
After DEG C, into old emulsification reconditioner, the unit of above-mentioned percentage is mass percent；
B, old oil emulsion is divided into four phases, the net oil degenerating area on upper strata, the grieshoch in intermediate layer in old emulsification reconditioner
Area, the pool of lower floor, the mud area of bottom；Area of device lower floor is plasma pulse demulsification electrode district, is demulsified equipped with plasma pulse
Electrode, plasma pulse demulsification electrode insulate with tank body, and is connected with the control power supply outside tank body；Media areas is equipped with grieshoch
Collector tube, it is connected with the motor-driven valve outside tank body, top area insulate equipped with coalescence dehydration electrode, coalescence dehydration electrode with tank body,
And it is connected with the high frequency pulse power supply outside tank body；
C, the liquid that comes of old oil emulsion first passes around plasma pulse demulsification electrode district, and plasma pulse demulsification electrode is rectangular
Body structure, old oil emulsion the rupture of profit limitans, wrap simultaneously under the vibration and TRANSIENT HIGH TEMPERATURE effect of plasma pulse demulsification electrode
The impurity and floc sedimentation being contained in oil film disperse, profit initial gross separation, and scattered impurity and floc sedimentation enter aqueous phase, the impurity of quality weight
The bottom is deposited to, the impurity and floc sedimentation of light weight are floated between oil-water interfaces；The water separated passes through admittance instrument controlling water level
Highly, control outside water out motor-driven valve folding size drain tank；
D, the grieshoch between profit be present by admittance instrument control system or time timer control or use the two to jointly control simultaneously
The switch of motor-driven valve determines discharge, and grieshoch is collected and then discharged by collector tube；Scattered crude oil out continues to float, and reaches electricity
Pole drying zone, plasma pulse demulsification electrode, coalescence dehydration electrode are layered arrangement, and the number of plies is more than or equal to two layers, adjacent two
Layer connects the both positive and negative polarity of control power supply respectively, carries out depth separation in the region profit, the crude oil after dehydration overflows to purification oil
Area discharges most intimate friend's oil tank, and the sludge of bottom is timed by time timer control motor-driven valve to be discharged by sewage draining exit；
E, the grieshoch impurity emitted by emulsifying reconditioner always enters grieshoch processing unit, and grieshoch fills in processing
Interior completion separation of solid and liquid and sewage purification is put, the device is that normal pressure is open, and bottom is funnel or the acclive device of bottom plate band,
The top of device is equipped with apparatus for scratching dirt, strikes off the scum silica frost and dirt for floating over liquid level, electrocoagulation processing unit, separation are installed among device
Suspension in grieshoch, a part of suspension floating to liquid level, are struck off by the flco that electrocoagulation processing unit separates by apparatus for scratching dirt,
Into solid waste tank, partial impurities and flco are neutralized due to the effect electric charge of electric field force in grieshoch, and impurity and flco lose
Surely, suspended substance system is destroyed and sinks to tank base, regularly excludes to enter centrifuge, solid waste by sludge pump
Into solid waste tank, the sewage separated purifies again into grieshoch processing unit.
F, the purification sewage of grieshoch processing unit discharge enters Water Tank and discharges or enter oil produced water system, and grieshoch exists
The separation of solids and water in grieshoch is realized in grieshoch processing unit, the solid of separation is transported to solid into specified collecting tank and given up
The processing of gurry treating stations, the sewage of discharge enter Water Tank and discharge or enter oil produced water system.
Processing method effect and economic comparison：
Oil field at home is mostly old filed, and most of oil fields have been enter into high water-cut stage, conservative estimation production fluid average moisture content
Higher than 80%.In order to improve crude oil recovery ratio, oil field causes Produced Liquid to emulsify using the technology such as water filling and addition polymer, alkali drive
Seriously, surface gathering and transferring technique has to add more chemicals progress water-oil separatings, and then caused aging oil yield is not
Disconnected rise, at present, general oil field, aging oil yield is more than the 5% of crude output, is even reached using the oil field of poly- drive and alkali drive
To 15%.Counted according to State Statistics Bureau, domestic common property crude oil about 2.15 × 10 in 20154Ten thousand tons, domestic common property crude oil in 2016
About 2 × 104Ten thousand tons, ageing oil is just according to 5% meter, domestic about 10,000,000 tons of common property ageing oil oil.It is most general according to the current country
All over the heat chemistry used+centrifuging process processing, the m for the treatment of capacity 53/ h, runs power 100KW, and ageing oil highest is heated to 85 ~ 90
DEG C, demulsifier is based on 500 mg/l, and water purification agent is counted according to 50 mg/l, and cleaning agent is counted according to 20mg/l, and the oil field electricity charge are according to 0.7
Member/Kw.h, demulsifier is according to 8000 yuan/ton, and water purification agent is according to 6500 yuan/ton, and cleaning agent is according to 12000 yuan/ton of meters, Ren Yuanxu
Want 4 people count, comprehensive cost based on 800,000,000 yuan/people, the effective time based on 8000h, the main body such as plant maintenance, centrifuge
The key abrasion part of equipment is changed（2 year life-span of wear-out part）Expense is counted according to 1,000,000 yuan/year, and ton liquid operating cost is 109.57
Member（Disregard heating）.
Using the utility model technique and device, comprehensive life 15 years, the m for the treatment of capacity 53/ h, run power 28KW, aging
Oily highest is heated to 80 DEG C, and equipment automatic running is unattended, it is not necessary to which any chemicals, personnel are based on 1 people, equipment dimension
About 500,000 yuan of shield expense, ton liquid operating cost are 34.6 yuan（Disregard heating）.
Domestic ageing oil is based on about 10,000,000 tons in 2016, if all using the utility model technique and device, the country
The expense of saving is about 74.97 hundred million yuan every year in oil field, and benefit is very huge.
Claims (4)
1. a kind of processing unit of the old oil emulsion in oil field, including quenched tank, heat exchanger, Water Tank, solid waste tank（23）, it is good
Oil tank, sludge pump（24）And centrifuge（25）, the quenched tank is high-frequency pulse crude oil dehydration disclosed in the U of CN 204298338
Device, the solid waste tank（23）, Water Tank oil tank of becoming reconciled be common double tubular tank, the heat exchanger is with water
The double-decker of circulating line, inner laminar flow promoting lactation carburetion, the recirculated water of outer layer circulation heat exchange, heat exchange will be flowed through by heat exchanger
The old oil emulsion of device is heated to 40 DEG C ~ 80 DEG C, it is characterised in that further comprises there is old emulsification reconditioner and grieshoch processing
Device（20）, emulsifying reconditioner always includes tank body（16）, tank body（16）Top be disposed with manhole a from left to right
（5）, relief valve port（10）With level adjuster mouth（11）, tank body（16）The bottom row's of being disposed with sediment port a from left to right
（7）, row sediment port b（8）, row sediment port c（9）, tank body（16）Left end be disposed with old emulsification oil-in from up to down（1）
With manhole b（6）, tank body（16）Right-hand member be disposed with purification oil export from up to down（2）And water out（3）, tank body（16）
Side wall middle and lower part be provided with grieshoch impurity collection port（4）, it is divided into four phases emulsifying old oil emulsion in reconditioner always, on
The net oil degenerating area of layer（13）, the grieshoch area in intermediate layer（14）, the pool of lower floor（15）With the mud area of bottom；The pool of lower floor（15）
Mud area with bottom is plasma pulse demulsification electrode district, equipped with plasma pulse demulsification electrode（18）, plasma pulse demulsification
Electrode（18）With tank body（16）Insulation, and and tank body（16）Outside control power supply is connected；Grieshoch area（14）Equipped with grieshoch liquid collecting
Pipe, with tank body（16）Outer motor-driven valve is connected, the net oil degenerating area on upper strata（13）Top area is equipped with coalescence dehydration electrode（17）, gather
Knot dehydration electrode（17）With tank body（16）Insulation, and and tank body（16）Outside high frequency pulse power supply connection.
2. the processing unit of the old oil emulsion in oil field according to claim 1, it is characterised in that grieshoch processing unit（20）Top
For open-like shape, grieshoch processing unit（20）Bottom is in funnel-form, grieshoch processing unit（20）Top apparatus for scratching dirt is housed（21）, scrape
Dirty device（21）For tabular, apparatus for scratching dirt（21）On be connected with push rod（19）, push rod（19）With grieshoch processing unit（20）A side wall
Plug together connection, grieshoch processing unit（20）Another side wall integrally formed be provided with skewed slot（22）, skewed slot（22）Given up with solid
Gurry tank（23）It is connected, promotes push rod（19）Make apparatus for scratching dirt（21）Push the scum silica frost for floating over liquid level and dirt to skewed slot（22）Enter
And enter solid waste tank（23）It is interior；Grieshoch processing unit（20）Bottom, solid waste tank（23）Bottom pass through
Pipeline and sludge pump（24）It is connected, sludge pump（24）Its content is delivered into centrifuge（25）.
3. the processing unit of the old oil emulsion in oil field according to claim 2, it is characterised in that grieshoch processing unit（20）In
Portion is provided with electrocoagulation processing unit（26）, electrocoagulation processing unit（26）With the control power electric connection in the external world, grieshoch processing
Device（20）Middle and upper part be provided with leakage fluid dram（27）, leakage fluid dram（27）Waste water be discharged into Water Tank or imported again by conduit
Grieshoch processing unit（20）Entrance handled again.
4. the processing unit of the old oil emulsion in oil field according to claim 2, it is characterised in that control power supply, high-frequency electrical pulses
Source is high-frequency pulse crude oil dehydration power supply disclosed in the U of CN 204304760.
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| CN111154509A (en) * | 2020-01-07 | 2020-05-15 | 姜兴安 | Settling tank for oilfield sewage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111154509A (en) * | 2020-01-07 | 2020-05-15 | 姜兴安 | Settling tank for oilfield sewage |
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