CN107213671A - A kind of emulsion breakdown device and its processing method - Google Patents
A kind of emulsion breakdown device and its processing method Download PDFInfo
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- CN107213671A CN107213671A CN201710363617.3A CN201710363617A CN107213671A CN 107213671 A CN107213671 A CN 107213671A CN 201710363617 A CN201710363617 A CN 201710363617A CN 107213671 A CN107213671 A CN 107213671A
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- 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
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
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- 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
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
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- 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
- B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
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Abstract
The invention provides a kind of emulsion breakdown device and its processing method, the emulsion breakdown device includes including centrifugation breaking device, dewetting breaking device and microbial cultivation device in main reactor, the main reactor successively from the bottom to top；The oil phase outlet and aqueous phase outlet of the centrifugation breaking device are connected with organic phase storage tank and aqueous phase storage tank respectively；The remaining emulsion outlet of the centrifugation breaking device is connected with the emulsion inlet of dewetting breaking device by pipeline；The oil phase outlet and aqueous phase outlet of the dewetting breaking device are connected with organic phase storage tank and aqueous phase storage tank respectively；The rinse liquid outlet of the microbial cultivation device is connected with the filter washing water inlet of the dewetting breaking device by pipeline.The invention provides a kind of emulsion breaking device more efficiently with energy-conservation.
Description
Technical field
The invention belongs to emulsion breakdown technical field, it is related to a kind of emulsion breakdown device and its processing method, especially
It is related to the emulsion breakdown device and its processing method of a kind of emulsion larger for viscosity.
Background technology
Emulsion is the liquid liquid point to be distributed in the form of liquid pearl in another non soluble liquids by least one liquid
Granular media system, belongs to heterogeneous system.The volume of dispersed phase can change in wide range, and this kind of system is unstable, but has emulsification
System stability can be increased substantially in the presence of agent.Common emulsion has oil-in-water type, water-in-oil type or multiple-phase emulsion.It is actual
In production, because the species of compound in nature is various and largely exists, emulsion is generally multiple-phase emulsion seen in production.
Yield is larger in the industrial production for emulsion, and common emulsion is produced when having oil field waste, treatment by extraction solid waste
Raw third phase and the lubricant of mechanical processing industry etc..Substantial amounts of emulsion is discharged into environment both weldings, wastes again wherein
Contained high concentrations of compounds, so emulsion breaking device research and development are arisen at the historic moment.CN 201346412Y disclose a kind of emulsion breaking device,
It can be demulsified using soda acid, its technical scheme is：The equipment includes demulsification groove, waste liquid tank, air accumulator, water tank, discharge outlet
With sludge drying pond etc.；Air pressure acid medicine-chest accurately controls dosing.CN 2933521Y disclose a kind of inorganic micro filtering membrane vacuum emulsion breaking
Equipment, its equipment includes：Emulsion groove, infusion pump, inorganic micro filtering film device and collecting tank etc., described which overcomes conventional film
The shortcoming for needing larger pressure difference to carry out during demulsification.
However, the said equipment has that demulsification dosing is big or easily.Therefore, one kind how is researched and developed to be directed to
The energy-efficient breaking device of the larger emulsion of multiple-phase emulsion especially viscosity, is the problem of needing to solve.
The content of the invention
For problem present in existing breaking device, the invention provides a kind of emulsion breakdown device and its processing side
Method.The present invention is by the way that centrifugation breaking device and dewetting device are integrated into a device, it is possible to achieve efficient and automation
The emulsion larger to multiple-phase emulsion especially viscosity carry out demulsification processing, it is not necessary to add any additive, Bu Huiying
Ring the circulation of organic phase, it is to avoid secondary pollution.
For up to this purpose, the present invention uses following technical scheme：
In a first aspect, the invention provides a kind of emulsion breakdown device, the emulsion breakdown device includes main reaction
Include centrifugation breaking device, dewetting breaking device and microbial cultivation device in device, the main reactor successively from the bottom to top；
The centrifugation breaking device is provided with emulsion inlet, oil phase outlet, aqueous phase outlet and remaining emulsion outlet, the centrifugation demulsification dress
The oil phase outlet and aqueous phase outlet put are connected with organic phase storage tank and aqueous phase storage tank respectively；The dewetting breaking device is provided with clear
Wash liquor inlet, emulsion inlet, oil phase outlet, aqueous phase outlet and rinse liquid outlet, the remaining emulsion of the centrifugation breaking device go out
Mouth is connected with the emulsion inlet of dewetting breaking device by pipeline；The oil phase outlet of the dewetting breaking device and aqueous phase go out
Mouth is connected with organic phase storage tank and aqueous phase storage tank respectively；The microbial cultivation device goes out provided with microorganism charge door and cleaning fluid
Mouthful, the filter washing water inlet of the rinse liquid outlet of the microbial cultivation device and the dewetting breaking device is connected by pipeline
Connect.
In the present invention, the emulsion breakdown device is that emulsion breakdown is special.When emulsion is filled into emulsion breakdown
Postpone, first pass through centrifugation demulsification and carry out coagulation, centrifugation demulsification efficiency can reach 80~90%；Remaining 10~20% difficulty
The part being demulsified with centrifuging, which enters in dewetting breaking device, carries out two stage treatment.
Below as currently preferred technical scheme, but the limitation of the technical scheme provided not as the present invention, pass through
Following technical scheme, can preferably reach and realize the technical purpose and beneficial effect of the present invention.
As currently preferred technical scheme, the remaining emulsion outlet of the centrifugation breaking device is demulsified with dewetting to be filled
The connecting line for the emulsion inlet put is provided with regulating valve.
Preferably, the filter washing water inlet of the rinse liquid outlet of the microbial cultivation device and the dewetting breaking device
Connecting line be provided with regulating valve.
In the present invention, when the dewetting breaking device is being demulsified, the remaining emulsion outlet of breaking device is centrifuged
Regulating valve between the emulsion inlet pipeline of dewetting breaking device is opened, and the rinse liquid outlet of microbial cultivation device with
Regulating valve between the filter washing water inlet pipeline of dewetting breaking device is closed.
When the dewetting breaking device is idle, the remaining emulsion outlet and dewetting breaking device of breaking device are centrifuged
Emulsion inlet pipeline between regulating valve close, and the rinse liquid outlet of microbial cultivation device and dewetting breaking device
Regulating valve between the pipeline of filter washing water inlet is opened, to make the cleaning fluid in microbial cultivation device enter dewetting demulsification dress
Put progress degraded cleaning.
As currently preferred technical scheme, the emulsion breakdown device includes automaton, described automatic
Control device is connected with all devices in the emulsion breakdown device.
In the present invention, the automaton is the Automated condtrol for realizing emulsion breakdown device, by automatic
The operation and the opening and closing of regulating valve of each equipment, control whole device in control device regulation emulsion breakdown device
The conditions such as flow, reaction temperature, centrifugal speed and the circuit switching of middle fluid.
As currently preferred technical scheme, the dewetting breaking device includes at least two dewetting equipment, for example
2,3,4 or 5 etc. and more, it is not limited to other are unrequited in cited numerical value, the number range
Numerical value is equally applicable, preferably 2.
Preferably, the dewetting breaking device includes the first dewetting equipment and the second dewetting equipment, the centrifugation
The remaining emulsion outlet of breaking device enters with the emulsion inlet of the first dewetting equipment and the emulsion of the second dewetting equipment simultaneously
Mouth is connected, and the rinse liquid outlet of the microbial cultivation device is simultaneously anti-with the filter washing water inlet of the first dewetting equipment and second
The filter washing water inlet of wetting apparatus is connected.
In the present invention, the name of the first dewetting equipment and the second dewetting equipment only to dewetting equipment,
It is not the limitation for being used for order.
Preferably, between the remaining emulsion outlet of the centrifugation breaking device and the emulsion inlet of the first dewetting equipment
On connecting line and between the remaining emulsion outlet of the centrifugation breaking device and the emulsion inlet of the second dewetting equipment
Regulating valve is equipped with connecting line.
Preferably, between the filter washing water inlet of the rinse liquid outlet of the microbial cultivation device and the first dewetting equipment
Connecting line on and the microbial cultivation device rinse liquid outlet and the second dewetting equipment filter washing water inlet it
Between connecting line on be equipped with regulating valve.
In the present invention, centrifuge between the remaining emulsion outlet of breaking device and the emulsion inlet pipeline of the first dewetting equipment
Regulating valve, and centrifugation breaking device remaining emulsion outlet and the second dewetting equipment emulsion inlet pipeline between tune
Section controls it to open and close by automaton.
Regulation between the rinse liquid outlet of microbial cultivation device and the filter washing water inlet pipeline of the first dewetting equipment
Regulation between valve, and the rinse liquid outlet of microbial cultivation device and the filter washing water inlet pipeline of the second dewetting equipment is equal
It is controlled to open and close by automaton.
First dewetting equipment is used alternatingly with the second dewetting equipment, when the first dewetting equipment carries out demulsification operation
When, the second dewetting equipment carries out cleaning operation；When the first dewetting equipment carries out cleaning operation, switching second is instead moistened
Wet equipment carries out demulsification operation, and then ensures the continuous operation of whole device.
Preferably, the first dewetting equipment is identical with the structure of the second dewetting equipment.
As currently preferred technical scheme, the dewetting breaking device includes dewetting solid phase pipe and thermostat,
The dewetting solid phase pipe and thermostat are arranged in dewetting equipment.
Wherein, the typical but non-limiting arrangement of arrangement mode of the dewetting solid phase pipe in dewetting breaking device
Mode is：Tangentially it is arranged side by side.
The thermostat is used to regulate and control the operation temperature of dewetting breaking device, i.e., can be when emulsus fluid viscosity is larger
Run under higher temperature.
Preferably, number >=5000 of the dewetting solid phase pipe, such as 5000,6000,7000,8000
Individual, 9000,10000 or 11000 etc. and more, it is not limited in cited numerical value, the number range its
His unrequited numerical value is equally applicable, preferably 8000~10000.
Preferably, the dewetting solid phase pipe is the porose hollow tube of surface band.
Preferably, in the dewetting solid phase pipe surface hole width be 0.2nm~50nm, such as 0.2nm, 0.5nm,
1nm, 5nm, 10nm, 15nm, 20nm, 25nm, 30nm, 35nm, 40nm, 45nm or 50nm etc., it is not limited to cited
Other unrequited numerical value are equally applicable in numerical value, the number range.In the present invention, liquid to be treated can carry hole by surface
Hollow tube enter dewetting solid phase Guan Zhongyu inorganic salts therein and filler effect.
Preferably, the porosity of the dewetting solid phase pipe surface be 85%~95%, such as 85%, 86%, 87%,
88%th, 89%, 90%, 91%, 92%, 93%, 94% or 95% etc., it is not limited to cited numerical value, the numerical value model
Other unrequited numerical value are equally applicable in enclosing.
Preferably, a diameter of 10um~100um of the dewetting solid phase pipe, such as 10um, 20um, 30um, 40um,
50um, 60um, 70um, 80um, 90um or 100um etc., it is not limited to cited numerical value, in the number range, other are not
The numerical value enumerated is equally applicable.
Preferably, inorganic salts and filler are filled in the dewetting solid phase pipe.
Preferably, the consumption of the inorganic salts accounts for 0.5wt%~30wt% of inorganic salts and filler gross mass, for example
0.5wt%, 1wt%, 3wt%, 5wt%, 7wt%, 10wt%, 13wt%, 15wt%, 17wt%, 20wt%, 23wt%,
25wt%, 27wt% or 30wt% etc., it is not limited to other unrequited numerical value in cited numerical value, the number range
It is equally applicable, preferably 10wt%~25wt%.
In the present invention, the effects of the inorganic salts is that producing strong complexing with emulsion makees, with making emulsion by profit circle
Face is transferred to solid phase interface and hollow part, causes multiple-phase emulsion to be demulsified, and reaches water-oil separating purpose.The control of its used in amounts exists
In certain limit, if its consumption is few, promotion emulsification can be played.If excessive, i.e., more than inorganic salts and filler gross mass
30wt%, can improve processing cost, and cause secondary pollution to waste water.
Preferably, the inorganic salts cationic be ammonium ion, sodium ion, potassium ion, iron ion, manganese ion or titanium from
Any one in son or at least two combination, the combination is typical but non-linear example has：The group of ammonium ion and sodium ion
Close, the combination of potassium ion and iron ion, the combination of manganese ion and titanium ion, the combination of ammonium ion, sodium ion and potassium ion, potassium
The combination of ion, iron ion and manganese ion, potassium ion, iron ion, the combination of manganese ion and titanium ion, ammonium ion, sodium ion,
Potassium ion, iron ion, combination of manganese ion and titanium ion etc..The cation can be mixed with arbitrary proportion.
Preferably, in the inorganic salts anion be sulfate ion, nitrate ion, hydroxide ion, fluoric acid root from
Any one in son, tungstate ion, molybdenum acid ion, vanadic acid radical ion, chromate ion or germanic acid radical ion or at least two
The combination planted, the combination is typical but non-limiting examples have：The combination of sulfate ion and nitrate ion, hydroxide ion
With the combination of fluoric acid radical ion, the combination of tungstate ion and molybdenum acid ion, the combination of vanadic acid radical ion and chromate ion,
The combination of chromate ion and germanic acid radical ion, the combination of sulfate ion, nitrate ion and hydroxide ion, fluoric acid root from
Son, tungstate ion, the combination of molybdenum acid ion and vanadic acid radical ion, molybdenum acid ion, vanadic acid radical ion, chromate ion and
The combination of germanic acid radical ion, sulfate ion, nitrate ion, hydroxide ion, fluoric acid radical ion, tungstate ion, molybdic acid
Radical ion, vanadic acid radical ion, combination of chromate ion and germanic acid radical ion etc..The anion can be mixed with arbitrary proportion
Close.
Preferably, the inorganic salts are metal inorganic salt.
Preferably, at least containing a kind of metal in the metal inorganic salt.
Preferably, the filler is any one in coal waste residue, bentonite, glass fibre, polyurethane foam or silica flour
Kind or at least two combination, the combination is typical but non-limiting examples have：Coal waste residue and bentonitic combination, glass fibers
The combination of the combination of peacekeeping polyurethane foam, polyurethane foam and silica flour, the group of coal waste residue, bentonite and glass fibre
Close, the combination of glass fibre, polyurethane foam and silica flour, coal waste residue, bentonite, the group of glass fibre and polyurethane foam
Close, coal waste residue, bentonite, glass fibre, combination of polyurethane foam and silica flour etc..
As currently preferred technical scheme, the microorganism cultivated in microbial cultivation device is Nitrosomas, false list
Any one in born of the same parents bacterium or Pseudomonas putidas or at least two combination, the combination is typical but non-linear example has：It is sub-
Nitromonas and the combination of pseudomonad, the combination of pseudomonad and Pseudomonas putidas, Nitrosomas, pseudomonad and stench
Combination of Pseudomonas alba etc..
Second aspect, the invention provides the processing method of above-mentioned emulsion breakdown device, methods described includes following step
Suddenly：
(1) emulsion to be demulsified, which enters, carries out centrifugation demulsification in the centrifugation breaking device in the emulsion breakdown device,
The oil phase and aqueous phase that centrifugation demulsification is produced respectively enter organic phase storage tank and aqueous phase storage tank；
(2) the remaining emulsion that step (1) the centrifugation demulsification is produced, which enters in dewetting breaking device, carries out dewetting
Demulsification, the oil phase and aqueous phase that dewetting demulsification is produced respectively enters organic phase storage tank and aqueous phase storage tank；
(3) after the demulsification of step (2) dewetting terminates, by microbial cultivation device to the dewetting breaking device
In be passed through cleaning fluid dewetting breaking device cleaned, the waste liquid after cleaning is discharged into environment.
As currently preferred technical scheme, emulsion to be demulsified described in step (1) is multiple-phase emulsion.
In the present invention, the multiple-phase emulsion is a kind of W/O/W or Water-In-Oil oil-in compound system, is ability
Domain routine techniques statement, belongs to clear statement.
Preferably, the centrifugation rate of step (1) the centrifugation demulsification is 20000r/min~30000r/min, for example
20000r/min、21000r/min、22000r/min、23000r/min、24000r/min、25000r/min、26000r/min、
27000r/min, 28000r/min, 29000r/min or 30000r/min etc., it is not limited to cited numerical value, the number
Other unrequited numerical value are equally applicable in the range of value.
Preferably, step (1) it is described centrifugation demulsification temperature be 40 DEG C~60 DEG C, such as 40 DEG C, 43 DEG C, 45 DEG C, 47 DEG C,
50 DEG C, 53 DEG C, 55 DEG C, 57 DEG C or 60 DEG C etc., it is not limited to other are unrequited in cited numerical value, the number range
Numerical value is equally applicable.
Preferably, step (1) it is described centrifugation demulsification demulsification efficiency be 80%~90%, such as 80%, 83%, 85%,
87% or 90% etc., it is not limited to other unrequited numerical value are equally applicable in cited numerical value, the number range.
As currently preferred technical scheme, the dewetting demulsification process in step (2) the dewetting breaking device
For：
(a) the remaining emulsion that the centrifugation breaking device is produced, which enters, carries out dewetting demulsification in the first dewetting equipment
Processing；Meanwhile, the connection of centrifugation breaking device and the second dewetting equipment is disconnected, microbial cultivation device and the first anti-profit is disconnected
The connection of wet equipment, connection microbial cultivation device and the second dewetting equipment, are instead moistened by microbial cultivation device to second
Inject cleaning fluid in wet equipment to clean the second dewetting equipment, cleaning waste liquid is directly discharged into environment；
(b) after the demulsification of the first dewetting equipment dewetting has been handled, centrifugation breaking device and the first dewetting equipment are disconnected
Connection, connection centrifugation breaking device and the second dewetting equipment pass through the second dewetting equipment and carry out dewetting demulsification operation；
Meanwhile, connection microbial cultivation device and the second dewetting equipment, opening microbial cultivation device and the first dewetting equipment
Connection, injects cleaning fluid into the first dewetting equipment by microbial cultivation device and the first dewetting equipment is cleaned,
Cleaning waste liquid is directly discharged into environment；
(c) repeat step (a)~step (b).
As currently preferred technical scheme, the first dewetting equipment dewetting is handled after 48h~72h in step (b),
Disconnect the connection of centrifugation breaking device and the first dewetting equipment, wherein processing time can be 48h, 50h, 53h, 55h, 57h,
60h, 63h, 65h, 67h, 70h or 72h etc., it is not limited to other are unrequited in cited numerical value, the number range
Numerical value is equally applicable.
In the present invention, described remaining 10~20% emulsion for being difficult to centrifugation demulsification is generally W/O/W and O/W/O etc. many
The emulsion of weight and interface stability, it is more difficult to be demulsified.When it passes through the dewetting solid phase pipe in dewetting breaking device, in solid phase pipe
Inorganic metal salt has strong complexing to the emulsion with certain interfacial tension value, emulsion is transferred to by oil-water interfaces solid
Boundary and hollow part, cause multiple-phase emulsion to be demulsified, and reach water-oil separating purpose.In addition, heavy metal ion can also be
Solid phase pipe surface formation forceful electric power sublayer, compresses emulsion electric double layer, accelerates emulsion breakdown, make the demulsification efficiency of device up to 99~
100%.
In the present invention, dewetting solid phase pipe surface and internal absorption emulsifying agent long term accumulation can cause solid phase pipe demulsification energy
Power declines, or even blocks failure.Thus, dewetting solid phase pipe was recycled after a period of time, by biodegradation method to it
Cleared up, reach regeneration purpose.
Compared with prior art, the invention has the advantages that：
(1) present invention is by the way that centrifugation breaking device and dewetting device are integrated into a device, multiple demulsification technology
Combination, efficient energy-saving improves demulsification efficiency, makes final demulsification efficiency up to 99%~100%；
(2) device of the present invention and processing method need not add any additive, not interfere with the circulation of organic phase
Utilize, do not result in secondary pollution；
(3) device of the present invention and processing method can realize automatic control, continuous operation, reactor demulsification and
Cleaning can be carried out simultaneously, accurately, quick and saving human cost；
(4) device of the present invention and processing method have a wide range of application, and are produced available for extraction and back extraction subtraction unit
Middle emulsion layer is demulsified, also the system such as oil field waste oil removing larger available for viscosity.
Brief description of the drawings
Fig. 1 is the structural representation of emulsion breakdown device described in the embodiment of the present invention 1；
Wherein, 1- main reactors, 2- centrifugation breaking devices, 3- dewetting breaking devices, 4- microbial cultivation devices, 5- has
Machine phase storage tank, 6- aqueous phase storage tanks, 7- automatons, 31- the first dewetting equipment, 32- the second dewetting equipment.
Embodiment
For the present invention is better described, technical scheme is readily appreciated, below to the present invention further specifically
It is bright.But following embodiments is only the simple example of the present invention, the scope of the present invention is not represented or limits, this
Invention protection domain is defined by claims.
The specific embodiment of the invention provides a kind of emulsion breakdown device and its processing method, the emulsion breakdown
Device includes including centrifugation breaking device 2, dewetting breaking device in main reactor 1, the main reactor 1 successively from the bottom to top
3 and microbial cultivation device 4；The centrifugation breaking device 2 is provided with emulsion inlet, oil phase outlet, aqueous phase outlet and remnants breasts
Liquid is exported, and the oil phase outlet and aqueous phase outlet of the centrifugation breaking device 2 are connected with organic phase storage tank 5 and aqueous phase storage tank 6 respectively；
The dewetting breaking device 3 is described provided with filter washing water inlet, emulsion inlet, oil phase outlet, aqueous phase outlet and rinse liquid outlet
The remaining emulsion outlet of centrifugation breaking device 2 is connected with the emulsion inlet of dewetting breaking device 3 by pipeline；The dewetting
The oil phase outlet and aqueous phase outlet of breaking device 3 are connected with organic phase storage tank 5 and aqueous phase storage tank 6 respectively；The microculture
Device 4 is provided with microorganism charge door and rinse liquid outlet, rinse liquid outlet and the dewetting of the microbial cultivation device 4
The filter washing water inlet of breaking device 3 is connected by pipeline.
Its processing method is：
(1) emulsion to be demulsified, which enters, carries out centrifugation demulsification in the centrifugation breaking device 2 in the emulsion breakdown device,
The oil phase and aqueous phase that centrifugation demulsification is produced respectively enter organic phase storage tank 5 and aqueous phase storage tank 6；
(2) the remaining emulsion that step (1) the centrifugation demulsification is produced, which enters in dewetting breaking device 3, carries out dewetting
Demulsification, the oil phase and aqueous phase that dewetting demulsification is produced respectively enters organic phase storage tank 5 and aqueous phase storage tank 6；
(3) after step (2) the dewetting demulsification terminates, it is demulsified and is filled to the dewetting by microbial cultivation device 4
It is passed through cleaning fluid in putting 3 to clean dewetting breaking device 3, the waste liquid after cleaning is discharged into environment.
It is below present invention typical case but non-limiting example：
Embodiment 1：
A kind of emulsion breakdown device and its processing method are present embodiments provided, as shown in figure 1, the emulsion breakdown
Device includes including centrifugation breaking device 2, dewetting breaking device in main reactor 1, the main reactor 1 successively from the bottom to top
3 and microbial cultivation device 4；The centrifugation breaking device 2 is provided with emulsion inlet, oil phase outlet, aqueous phase outlet and remnants breasts
Liquid is exported, and the oil phase outlet and aqueous phase outlet of the centrifugation breaking device 2 are connected with organic phase storage tank 5 and aqueous phase storage tank 6 respectively；
The dewetting breaking device 3 is described provided with filter washing water inlet, emulsion inlet, oil phase outlet, aqueous phase outlet and rinse liquid outlet
The remaining emulsion outlet of centrifugation breaking device 2 is connected with the emulsion inlet of dewetting breaking device 3 by pipeline；The dewetting
The oil phase outlet and aqueous phase outlet of breaking device 3 are connected with organic phase storage tank 5 and aqueous phase storage tank 6 respectively；The microculture
Device 4 is provided with microorganism charge door and rinse liquid outlet, rinse liquid outlet and the dewetting of the microbial cultivation device 4
The filter washing water inlet of breaking device 3 is connected by pipeline.
The emulsion breakdown device includes automaton 7, the automaton 7 and the emulsion breakdown
All devices are connected in device.
Wherein, the dewetting breaking device include the first dewetting equipment 31 and the second dewetting equipment 32, it is described from
The remaining emulsion outlet of heart breaking device 2 simultaneously with the emulsion inlet of the first dewetting equipment 31 and the second dewetting equipment 32
Emulsion inlet is connected, and the rinse liquid outlet of the microbial cultivation device 4 with the cleaning fluid of the first dewetting equipment 31 while enter
Mouth is connected with the filter washing water inlet of the second dewetting equipment 32；
Connection between the remaining emulsion outlet of the centrifugation breaking device 2 and the emulsion inlet of the first dewetting equipment 31
Company on pipeline and between the remaining emulsion outlet of the centrifugation breaking device 2 and the emulsion inlet of the second dewetting equipment 32
Adapter is equipped with regulating valve on road；The cleaning of the rinse liquid outlet of the microbial cultivation device 4 and the first dewetting equipment 31
On connecting line between liquid entrance and the microbial cultivation device 4 rinse liquid outlet and the second dewetting equipment 32
Regulating valve is equipped with connecting line between filter washing water inlet；The knot of first dewetting equipment 31 and the second dewetting equipment 32
Structure is identical.
The dewetting breaking device 3 includes dewetting solid phase pipe and thermostat；The dewetting solid phase pipe is surface band
Porose hollow tube, the number of dewetting solid phase pipe is about 9000, and the width in hole is 0.3nm on its surface, and pipe diameter is
20um, the porosity of dewetting solid phase pipe surface is about 90%；Inorganic salts and filler are filled in the dewetting solid phase pipe, it is inorganic
The consumption of salt accounts for the 10wt% of inorganic salts and filler gross mass, and the cation of inorganic salts is ammonium ion, sodium ion and potassium ion
Combination, anion be nitrate anion, chromate and vanadic acid root combination, filler is coal waste residue and mixture of glass fibers.
Microorganism in the microbial cultivation device 4 mixes for Nitrosomas ATCC19718 with pseudomonad Pxy-40
Thing.
Emulsion is handled using the emulsion breakdown device, the emulsion is treatment by extraction coking chemical waste water
When the Middle emulsion layer that produces, wherein organic phase key component is methyl iso-butyl ketone (MIBK) (MIBK) and toluene；Aqueous phase key component
For water, phenol, cresols and dihydric phenol, emulsifying agent contained therein is mainly oils and solid powder, is multiple-phase emulsion.
Specifically handling process is：
(1) centrifugation that emulsion to be demulsified enters in the emulsion breakdown device under the control of automaton 7
Centrifugation demulsification is carried out in breaking device 2, centrifugation rate is 25000r/min, and centrifuging temperature is 50 DEG C, and centrifugation demulsification efficiency is 89%,
The oil phase and aqueous phase that centrifugation demulsification is produced respectively enter organic phase storage tank 5 and aqueous phase storage tank 6；
(2) the remaining emulsion that the centrifugation breaking device 2 is produced, which enters in the first dewetting equipment 31, carries out dewetting
Demulsification is handled；Meanwhile, disconnect centrifugation the dewetting equipment 32 of breaking device 2 and second connection, disconnect microbial cultivation device 4 and
The connection of first dewetting equipment 31, connects the dewetting equipment 32 of microbial cultivation device 4 and second, is filled by microculture
Put injection cleaning fluid in 4 second dewetting equipment 32 to clean the second dewetting equipment 32, cleaning waste liquid is directly discharged into ring
Border；
After the dewetting of (3) first dewetting equipment 31 processing 48h, the centrifugation dewetting equipment of breaking device 2 and first is disconnected
31 connection, the connection centrifugation dewetting equipment 32 of breaking device 2 and second, dewetting behaviour is carried out by the second dewetting equipment 32
Make；Meanwhile, the connection of the dewetting equipment 32 of microbial cultivation device 4 and second is disconnected, microbial cultivation device 4 and first is connected
Dewetting equipment 31, injects cleaning fluid into the first dewetting equipment 31 by microbial cultivation device 4 and first dewetting is set
Standby 31 are cleaned, and cleaning waste liquid is directly discharged into environment；
(4) repeat step (2)~step (3).
Finally, the demulsification efficiency of emulsion is made by the emulsion breakdown device described in the present embodiment up to 99.8%.
Embodiment 2：
Present embodiments provide a kind of emulsion breakdown device and its processing method, the structure of the emulsion breakdown device
With reference to the structure of emulsion breakdown device in embodiment 1, difference is：Hollow tube in the dewetting solid phase pipe, dewetting
The number of solid phase pipe is about 8000, and the width in hole is 0.4nm on its surface, and pipe diameter is 50um, dewetting solid phase pipe surface
Porosity be 86%, the consumption of inorganic salts accounts for the 0.5wt% of inorganic salts and filler gross mass, inorganic salt cation be sodium from
Son, potassium ion, the combination of manganese ion and titanium ion；Anion is nitrate ion, fluoric acid radical ion, tungstate ion and germanic acid
The combination of radical ion；Filler is the mixture of polyurethane foam and silica flour；Microorganism is nitrous acid in microbial cultivation device
Bacterium ATCC19718, pseudomonad Pxy-40 and Pseudomonas putidas ML2 mixture.
Emulsion is handled using the emulsion breakdown device, the emulsion is treatment by extraction vanadium chromium waste residue
When the Middle emulsion layer that produces, wherein organic phase key component is tributyl phosphate, toluene and kerosene；Aqueous phase key component is
Water, vanadic acid root and chromate etc., emulsifying agent contained therein is mainly oils and solid powder, is multiple-phase emulsion.
Specific handling process is with reference to handling process in embodiment 1, and difference is：Centrifugation rate is 21000r/ in step (1)
Min, centrifuging temperature is 40 DEG C, and the switching time in step (3) is 60h.
In the present embodiment, the demulsification efficiency of the centrifugation demulsification is 86%, and the final demulsification efficiency of emulsion breakdown device is
99.7%.
Embodiment 3：
Present embodiments provide a kind of emulsion breakdown device and its processing method, the structure of the emulsion breakdown device
With reference to the structure of emulsion breakdown device in embodiment 1, difference is：Hollow tube in the dewetting solid phase pipe, dewetting
The number of solid phase pipe is that the width in hole on 10000, its surface is 20nm, and pipe diameter is 60um, dewetting solid phase pipe surface
Porosity 95%, the consumption of inorganic salts accounts for the 15wt% of inorganic salts and filler gross mass；Inorganic salt cation is ammonium ion, sodium
Ion, potassium ion, iron ion, the combination of manganese ion and titanium ion；Anion is nitrate ion, molybdenum acid ion, vanadic acid root
The combination of ion and chromate ion；Filler is bentonite, glass fibre, polyurethane foam and quartz powder mixture.Microorganism
Microorganism is Nitrosomas ATCC19718, pseudomonad Pxy-40, pseudomonad Pxy-82 and Pseudomonas putida in culture apparatus
Bacillus ML2 mixture.
Emulsion is handled using the emulsion breakdown device, the emulsion is Daqing oil field waste water, and it has
Machine phase key component is alkane, aromatic hydrocarbon and polycyclic aromatic hydrocarbon etc.；Aqueous phase key component is water, inorganic salts and high molecular polymer
Deng emulsifying agent contained therein is mainly oils and solid powder, is multiple-phase emulsion.
Specific handling process is with reference to handling process in embodiment 1, and difference is：Centrifugation rate is 30000r/ in step (1)
Min, centrifuging temperature is 60 DEG C, and the switching time in step (3) is 72h.
In the present embodiment, the demulsification efficiency of the centrifugation demulsification is 81%, and the final demulsification efficiency of emulsion breakdown device is
99.8%.
Embodiment 4：
Present embodiments provide a kind of emulsion breakdown device and its processing method, the structure of the emulsion breakdown device
With reference to the structure of emulsion breakdown device in embodiment 1, difference is：Hollow tube in the dewetting solid phase pipe, wet anti-profit
The number of solid phase pipe is that the width in hole on 5000, its surface is 50nm, and pipe diameter is 100um, and the consumption of inorganic salts accounts for inorganic
The 30wt% of salt and filler gross mass.
Emulsion is handled using the emulsion breakdown device, the emulsion and the breast handled in embodiment 1
Shape liquid phase is same.
Specific handling process is with reference to handling process in embodiment 1.
In the present embodiment, the demulsification efficiency of the centrifugation demulsification is 82%, and the final demulsification efficiency of emulsion breakdown device is
99.5%.
Embodiment 5：
Present embodiments provide a kind of emulsion breakdown device and its processing method, the structure of the emulsion breakdown device
With reference to the structure of emulsion breakdown device in embodiment 1, difference is：Hollow tube in the dewetting solid phase pipe is pipe diameter
For 10um, the consumption of inorganic salts accounts for the 25wt% of inorganic salts and filler gross mass.
Emulsion is handled using the emulsion breakdown device, the emulsion and the breast handled in embodiment 1
Shape liquid phase is same.
Specific handling process is with reference to handling process in embodiment 1.
In the present embodiment, the demulsification efficiency of the centrifugation demulsification is 82%, and the final demulsification efficiency of emulsion breakdown device is
99.8%.
Comparative example 1：
This comparative example provides a kind of emulsion breakdown device and its processing method, the structure of the emulsion breakdown device
With reference to the structure of emulsion breakdown device in embodiment 1, difference is：Centrifugation demulsification is not included in the emulsion breakdown device
Device 2.
Emulsion is handled using the emulsion breakdown device, the emulsion and the breast handled in embodiment 1
Shape liquid phase is same.
Specific handling process is with reference to handling process in embodiment 1, and difference is that the processing is demulsified without centrifugation, directly
Handled by dewetting breaking device 3 and microbial cultivation device 4.
In this comparative example, the demulsification efficiency of the emulsion breakdown device is 95%, it can be seen that if being demulsified without centrifugation
Processing can make the reduction of waste water demulsification efficiency, and easily cause dewetting emulsion breaking device obstruction, or even failure.
Summary embodiment and comparative example can be seen that the present invention pass through will centrifugation breaking device and dewetting device it is whole
Be bonded in a device, the combination of multiple demulsification technology, efficient energy-saving improves demulsification efficiency, make final demulsification efficiency up to 99%~
100%；Device of the present invention and processing method need not add any additive, not interfere with recycling for organic phase,
Secondary pollution is not resulted in；Device of the present invention and processing method can realize automatic control, continuous operation, reactor
Demulsification and cleaning can be carried out simultaneously, accurately, quick and saving human cost；Device of the present invention and processing method application
Extensively, the Middle emulsion layer demulsification produced available for extraction and back extraction subtraction unit, also the oil field waste larger available for viscosity is removed
The systems such as oil.
Applicant states that the present invention illustrates the method detailed of the present invention, but not office of the invention by above-described embodiment
It is limited to above-mentioned method detailed, that is, does not mean that the present invention has to rely on above-mentioned method detailed and could implemented.Art
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and being open.
Claims (10)
1. a kind of emulsion breakdown device, it is characterised in that the emulsion breakdown device includes main reactor (1), the master
Include centrifugation breaking device (2), dewetting breaking device (3) and microbial cultivation device in reactor (1) successively from the bottom to top
(4)；The centrifugation breaking device (2) provided with emulsion inlet, oil phase outlet, aqueous phase outlet and remaining emulsion outlet, it is described from
The oil phase outlet and aqueous phase outlet of heart breaking device (2) are connected with organic phase storage tank (5) and aqueous phase storage tank (6) respectively；It is described anti-
Breaking device (3) is soaked provided with filter washing water inlet, emulsion inlet, oil phase outlet, aqueous phase outlet and rinse liquid outlet, the centrifugation
The remaining emulsion outlet of breaking device (2) is connected with the emulsion inlet of dewetting breaking device (3) by pipeline；The dewetting
The oil phase outlet and aqueous phase outlet of breaking device (3) are connected with organic phase storage tank (5) and aqueous phase storage tank (6) respectively；Micro- life
Thing culture apparatus (4) be provided with microorganism charge door and rinse liquid outlet, the rinse liquid outlet of the microbial cultivation device (4) with
The filter washing water inlet of the dewetting breaking device (3) is connected by pipeline.
2. emulsion breakdown device according to claim 1, it is characterised in that the remnants of the centrifugation breaking device (2)
The connecting line of emulsion outlet and the emulsion inlet of dewetting breaking device (3) is provided with regulating valve；
Preferably, the rinse liquid outlet of the microbial cultivation device (4) and the cleaning fluid of the dewetting breaking device (3) enter
The connecting line of mouth is provided with regulating valve.
3. emulsion breakdown device according to claim 1 or 2, it is characterised in that the emulsion breakdown device includes
Automaton (7), the automaton (7) is connected with all devices in the emulsion breakdown device.
4. the emulsion breakdown device according to claim any one of 1-3, it is characterised in that the dewetting breaking device
Including at least two dewetting equipment；
Preferably, the dewetting breaking device includes the first dewetting equipment (31) and the second dewetting equipment (32), described
The remaining emulsion outlet of centrifugation breaking device (2) is set with the emulsion inlet and the second dewetting of the first dewetting equipment (31) simultaneously
The emulsion inlet of standby (32) is connected, the rinse liquid outlet of the microbial cultivation device (4) simultaneously with the first dewetting equipment
(31) filter washing water inlet is connected with the filter washing water inlet of the second dewetting equipment (32)；
Preferably, it is described centrifugation breaking device (2) remaining emulsion outlet and the first dewetting equipment (31) emulsion inlet it
Between connecting line on and it is described centrifugation breaking device (2) remaining emulsion outlet and the second dewetting equipment (32) emulsion
Regulating valve is equipped with connecting line between entrance；
Preferably, the filter washing water inlet of the rinse liquid outlet of the microbial cultivation device (4) and the first dewetting equipment (31)
Between connecting line on and the microbial cultivation device (4) rinse liquid outlet and the second dewetting equipment (32) it is clear
Regulating valve is equipped with connecting line between wash liquor inlet；
Preferably, the first dewetting equipment (31) is identical with the structure of the second dewetting equipment (32).
5. the emulsion breakdown device according to claim any one of 1-4, it is characterised in that the dewetting breaking device
(3) dewetting solid phase pipe and thermostat are included；
Preferably, number >=5000 of the dewetting solid phase pipe, preferably 8000~10000；
Preferably, the dewetting solid phase pipe is the porose hollow tube of surface band；
Preferably, the width in hole is 0.2nm~50nm in the dewetting solid phase pipe surface；
Preferably, the porosity of the dewetting solid phase pipe surface is 85%~95%；
Preferably, a diameter of 10um~100um of the dewetting solid phase pipe；
Preferably, inorganic salts and filler are filled in the dewetting solid phase pipe；
Preferably, the consumption of the inorganic salts accounts for 0.5wt%~30wt% of inorganic salts and filler gross mass, preferably 10wt%
~25wt%；
Preferably, the inorganic salts cationic is in ammonium ion, sodium ion, potassium ion, iron ion, manganese ion or titanium ion
Any one or at least two combination；
Preferably, anion is sulfate ion, nitrate ion, hydroxide ion, fluoric acid radical ion, tungsten in the inorganic salts
Any one in acid ion, molybdenum acid ion, vanadic acid radical ion, chromate ion or germanic acid radical ion or at least two group
Close；
Preferably, the inorganic salts are metal inorganic salt；
Preferably, at least containing a kind of metal in the metal inorganic salt；
Preferably, the filler be coal waste residue, bentonite, glass fibre, polyurethane foam or silica flour in any one or
At least two combination.
6. the emulsion breakdown device according to claim any one of 1-5, it is characterised in that microbial cultivation device (4)
The microorganism of middle culture is any one in Nitrosomas, pseudomonad or Pseudomonas putidas or at least two combination.
7. the processing method of the emulsion breakdown device according to claim any one of 1-6, it is characterised in that methods described
Comprise the following steps：
(1) emulsion to be demulsified, which enters, carries out centrifugation demulsification in the centrifugation breaking device (2) in the emulsion breakdown device, from
The oil phase and aqueous phase that heart demulsification is produced respectively enter organic phase storage tank (5) and aqueous phase storage tank (6)；
(2) the remaining emulsion that step (1) the centrifugation demulsification is produced enters the middle dewetting that carries out of dewetting breaking device (3) and broken
Breast, the oil phase and aqueous phase that dewetting demulsification is produced respectively enters organic phase storage tank (5) and aqueous phase storage tank (6)；
(3) after the demulsification of step (2) dewetting terminates, by microbial cultivation device (4) to the dewetting breaking device
(3) it is passed through cleaning fluid in clean dewetting breaking device (3), the waste liquid after cleaning is discharged into environment.
8. processing method according to claim 7, it is characterised in that emulsion to be demulsified described in step (1) is multiple breast
Shape liquid；
Preferably, the centrifugation rate of step (1) the centrifugation demulsification is 20000r/min~30000r/min；
Preferably, the temperature of step (1) the centrifugation demulsification is 40 DEG C~60 DEG C；
Preferably, the demulsification efficiency of step (1) the centrifugation demulsification is 80%~90%.
9. the processing method according to claim 7 or 8, it is characterised in that step (2) the dewetting breaking device (3)
In dewetting demulsification process be：
(a) the remaining emulsion that the centrifugation breaking device (2) produces, which enters, carries out dewetting in the first dewetting equipment (31)
Demulsification is handled；Meanwhile, centrifugation breaking device (2) and the connection of the second dewetting equipment (32) are disconnected, microculture dress is disconnected
The connection of (4) and the first dewetting equipment (31), connection microbial cultivation device (4) and the second dewetting equipment (32) are put, is led to
Microbial cultivation device (4) injection cleaning fluid into the second dewetting equipment (32) is crossed to carry out clearly the second dewetting equipment (32)
Wash, cleaning waste liquid is directly discharged into environment；
(b) after the demulsification of first dewetting equipment (31) dewetting has been handled, disconnect centrifugation breaking device (2) and set with the first dewetting
The connection of standby (31), connection centrifugation breaking device (2) and the second dewetting equipment (32), are entered by the second dewetting equipment (32)
Row dewetting is operated；Meanwhile, microbial cultivation device (4) and the connection of the second dewetting equipment (32) are disconnected, microorganism is connected
Culture apparatus (4) and the first dewetting equipment (31), are noted by microbial cultivation device (4) into the first dewetting equipment (31)
Enter cleaning fluid to clean the first dewetting equipment (31), cleaning waste liquid is directly discharged into environment；
(c) repeat step (a)~step (b).
10. processing method according to claim 9, it is characterised in that the first dewetting equipment (31) is instead moistened in step (b)
After wet process 48h~72h, centrifugation breaking device (2) and the connection of the first dewetting equipment (31) are disconnected.
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|---|---|---|---|---|
| WO2003000377A1 (en) * | 2001-03-21 | 2003-01-03 | Mantis Oil Separation Limited | Separation of oil and water |
| US20060237372A1 (en) * | 2005-04-22 | 2006-10-26 | Ge Betz, Inc. | Separation of drilling mud emulsions |
| CN103813842A (en) * | 2011-07-26 | 2014-05-21 | 沙特阿拉伯石油公司 | Dynamic demulsification system for use in a gas-oil separation plant |
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