CN105694963B - A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device - Google Patents
A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device Download PDFInfo
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- CN105694963B CN105694963B CN201610215516.7A CN201610215516A CN105694963B CN 105694963 B CN105694963 B CN 105694963B CN 201610215516 A CN201610215516 A CN 201610215516A CN 105694963 B CN105694963 B CN 105694963B
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- sump
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- sump oil
- tank
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
Abstract
The invention discloses a kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device, including sump oil head tank（1）, it is characterised in that：The sump oil head tank（1）In aqueous sump oil pass through aqueous sump (waste oil) pump（2）Deliver to the ul-trasonic irradiation device being arranged in series（5）Be demulsified at the beginning of continuous type ultrasonic ripple, just the sump oil after demulsification is through pipeline feeding pulse type supersonic demulsification tank（6）Carry out secondary demulsification, pulse type supersonic demulsification tank（6）Discharging opening pass through pipeline and sedimentation separation drain sump（7）It is connected, sedimentation separation drain sump（7）The interior dehydration sump oil after demulsification enters the finished product slop tank being connected therewith by pipeline（8）It is interior.The device of the present invention carries out demulsification twice using the ultrasonic combined effect of continous way and pulsed and realizes dirty oil dewatering, realizes continuous continual breaking emulsion and dewatering and ensures the effect of dirty oil dewatering, sump oil is aqueous after dehydration<10%th, sewage with oil after being dehydrated<500mg/L.
Description
Technical field
The present invention relates to aqueous sump oil treatment technology field, all kinds of light sump oils and weight for referring in particular to oil refining enterprise's generation are dirty
The breaking emulsion and dewatering of oil is reclaimed and Oil-production Enterprises produce the processing of sewage, and sump oil is aqueous after specifically a kind of dehydration<10% and
Sewage with oil after dehydration<500mg/L ultrahigh-power ultrasonic sump oil demulsification and dehydration device.
Background technology
During crude refining, crude oil electric desalting, Oil Tank are produced during cutting water, overhaul of the equipments and chemical examination blowdown etc.
Raw substantial amounts of oil-polluted water, is mainly made by oil, silt, organic sludge, surface reactive material and substantial amounts of water, wherein oil
Content is 20~75%, and the sump oil that oil refining enterprise year is produced is the 1~1.5% of its yield.The conventional method of sump oil breaking emulsion and dewatering has
Heat sink drop, addition demulsifier etc..Long Time Thermal sedimentation is generally gone through still to be difficult to reach the requirement of recycling.Add after demulsifier
Demulsification is not highly desirable, and because demulsifier is various auxiliary agent class chemical substances, produces secondary pollution.
China's onshore oil field all uses waterflooding extraction mode substantially, and injection water will be plucked out of with crude oil, with exploitation
Time lengthening, extraction crude oil water content constantly rise, crude oil it is defeated outside or outward transport before requirement water must be deviate from, it is qualified
Crude oil allows moisture content to be less than 0.5%.Because sewage is produced in oil extraction process, therefore, sewage is referred to as produced
（Produced Water）, major pollutants are crude oil in water.Produce sewage qualified by handling on ground, then re-injection underground,
Recycle.Oil field at home extraction sewage treatment process uses water drive recovered water conventional treatment process, water drive oil-polluted water depth
Handling process, polymer produced water conventional treatment process etc., in recent years, China's onshore oil field prolongs with the waterflooding extraction time
Long, the popularization and application particularly using polymer displacement of reservoir oil as the tertiary oil recovery technology of representative, oilfield produced waste water property occurs larger
Change, existing sewage treatment process is not suitable with, and treatment effect is deteriorated, and influences Development Response of Oilfield.
The content of the invention
The purpose of the present invention is that there is provided sump oil after one kind dehydration is aqueous the problem of presence for prior art<10% and dehydration
Sewage with oil afterwards<500mg/L ultrahigh-power ultrasonic sump oil demulsification and dehydration device.
The purpose of the present invention is solved by the following technical programs：
A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device, including sump oil head tank, it is characterised in that：The sump oil
At the beginning of aqueous sump oil in head tank is pumped to the ul-trasonic irradiation device progress continuous type ultrasonic ripple being arranged in series by aqueous sump oil
Demulsification, the sump oil after being just demulsified carries out secondary demulsification, pulse type supersonic demulsification through pipeline feeding pulse type supersonic demulsification tank
The discharging opening of tank is connected by pipeline with sedimentation separation drain sump, the dehydration sump oil in sedimentation separation drain sump after demulsification
Into in the finished product slop tank being connected therewith by pipeline.
Demulsification is handled at the beginning of being connected at least provided with two ul-trasonic irradiation devices to carry out aqueous dirty oil continuous ultrasonic wave successively.
The ul-trasonic irradiation device of multigroup series connection is arranged in parallel at the beginning of to expand the aqueous dirty oil continuous ultrasonic wave of synchronization
Be demulsified treating capacity.
Sump oil heater and impurity mistake are sequentially provided with pipeline between described aqueous sump (waste oil) pump and ul-trasonic irradiation device
Filter, aqueous sump (waste oil) pump is delivered to sump oil heater and heated up after being boosted to aqueous sump oil, and is filtered through contaminant filter
Enter demulsification at the beginning of ul-trasonic irradiation device carries out continuous type ultrasonic ripple afterwards to handle.
Aqueous sump (waste oil) pump can be conveyed the aqueous sump oil come and be heated to 50 DEG C~85 DEG C by described sump oil heater.
The discharging opening of the ul-trasonic irradiation device is entered by pipeline with the sump oil positioned at pulse type supersonic demulsification tank bottom
Mouth is connected；And the side of pulse type supersonic demulsification tank is provided with internal circulation pump, the sump oil of pulse type supersonic demulsification pot bottom
The top for being delivered to pulse type supersonic demulsification tank via internal circulation pump carries out pulse type supersonic demulsification circulation.
The top of pulse type supersonic demulsification tank is connected by pipeline with the top of sedimentation separation drain sump, will be through
Sump oil feeding sedimentation separation drain sump after the secondary demulsification of extra pulse formula ultrasonic dehydration tank.
The aqueous sump oil after demulsification in described sedimentation separation drain sump be layered as after settling after a while sump oil,
Sewage and the cotton-shaped impurity of solid, positioned at sedimentation separation drain sump top sump oil gravity flow enter finished product slop tank in and through sump oil outside
Pump is sent to deliver to coking plant as top of coke tower quench oil after boosting；Sewage and impurity pass through pipe from sedimentation separation dehydration pot bottom
Road enters depositing reservoir through sewage well, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard.
It is clear that the aqueous more flowable slag inclusion fluid in bottom of the sedimentation separation drain sump delivers to " three mud " through sewage well
Clear pond；Not flowable part is excluded when being cleaned in the tank body for carrying out sedimentation separation drain sump, and sends processing outside.
The present invention has the following advantages compared with prior art：
The device of the present invention carries out demulsification twice using the ultrasonic combined effect of continous way and pulsed and realizes that sump oil takes off
At water, the arrangement for carrying out ul-trasonic irradiation device multirow and multiple row according to the treating capacity of sump oil in continuous type ultrasonic ripple demulsification mechanism
Reason, determines to install the quantity of ultrasonic transducer on pulse type supersonic demulsification tank according to the treating capacity of sump oil；It is super
The power that the single transducer unit that sound wave effect device and pulse type supersonic demulsification tank are used is produced can reach 1~5Kw, transducing
The multi-dimensional direction of sump oil is propagated in the ultrasonic wave direction device that device is produced, and realizes the nothing " dead angle " propagated, and is realized continuous continual
Following index can be reached after breaking emulsion and dewatering and the effect for ensureing dirty oil dewatering, oil dewatering：Sump oil is aqueous after dehydration<10%、
Sewage with oil after dehydration<500mg/L, realizes the recycle and reuse of sump oil.
The continuous type ultrasonic ripple breaking emulsion and dewatering mechanism and pulse type supersonic breaking emulsion and dewatering mechanism of the present invention can realize mould
Blockization is designed, and is coupled as playing with building blocks and is used so that the device can be arranged on finally failing after oil refining enterprise's water process
On the sump oil of processing, directly handled after being also arranged on the device that sump oil is produced in oil refining process, to reduce in oil refining process
The conveying of sump oil, reduces the pollution in course of conveying.
Brief description of the drawings
Accompanying drawing 1 is ultrahigh-power ultrasonic sump oil demulsification and dehydration device structural representation of the invention.
Wherein：1-sump oil head tank；2-aqueous sump (waste oil) pump；3-sump oil heater；4-contaminant filter；5-ultrasound
Ripple affector；6-pulse type supersonic demulsification tank；7-sedimentation separation drain sump；8-finished product slop tank；9-sump oil sends pump outside.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device, including sump oil head tank 1, sump oil raw material
Aqueous sump oil in tank 1 is delivered to the ul-trasonic irradiation device 5 being arranged in series by aqueous sump (waste oil) pump 2 and broken at the beginning of continuous type ultrasonic ripple
Sump oil heater 3 and contaminant filter 4 are sequentially provided with breast, the pipeline between aqueous sump (waste oil) pump 2 and ul-trasonic irradiation device 5, is contained
Water sump (waste oil) pump 2 delivers to the progress heating of sump oil heater 3 and is heated to 50 DEG C~85 DEG C after being boosted to aqueous sump oil, and through impurity
Filter 4 enters demulsification at the beginning of ul-trasonic irradiation device 5 carries out continuous type ultrasonic ripple and handled after filtering；The discharging of ul-trasonic irradiation device 5
Mouth is connected by pipeline with the sump oil import positioned at pulse type supersonic demulsification tank 6 bottom, and just the sump oil after demulsification is through pipeline
Feeding pulse type supersonic demulsification tank 6 carries out secondary demulsification；Pulse type supersonic demulsification tank 6 upper part discharge port by pipeline with
The top of sedimentation separation drain sump 7 is connected, and the sump oil after pulse type supersonic is demulsified 6 two demulsifications of tank is sent into and settled
Separating and dehydrating tank 7；Aqueous sump oil after demulsification in sedimentation separation drain sump 7 be layered as after settling after a while sump oil,
Sewage and the cotton-shaped impurity of solid, the sump oil gravity flow positioned at the top of sedimentation separation drain sump 7 enter in finished product slop tank 8 and through sump oil
Send outside after pump 9 boosts and deliver to coking plant as top of coke tower quench oil；Sewage and impurity are logical from the bottom of sedimentation separation drain sump 7
Piping enters depositing reservoir through sewage well, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard；Sedimentation separation drain sump 7
The aqueous more flowable slag inclusion fluid in bottom deliver to " three mud " depositing reservoir through sewage well；Not flowable part is being sunk
Excluded when being cleaned in the tank body of drop separating and dehydrating tank 7, and send processing outside.
In actual use, connect to carry out aqueous dirty oil continuous ultrasound successively at least provided with two ul-trasonic irradiation devices 5
Demulsification at the beginning of ripple is handled, and the ul-trasonic irradiation device 5 of multigroup series connection is arranged in parallel to expand the aqueous dirty oil continuous of synchronization
Be demulsified treating capacity at the beginning of ultrasonic wave.The sump oil obtained after dehydration can send atmospheric and vacuum distillation unit freshening according to its purity or make coke installation tower
Push up quench oil.
The emulsion breaking principle for the ultrahigh-power ultrasonic sump oil demulsification and dehydration device that the present invention is provided is：By powerful ultrasound
Wave apparatus enters on the pipeline before tank installed in sump oil, and sump oil is demulsified using continuous-pulse ultrasonic wave mode of application
Processing, the separating capacity of enhancing profit under gravity；Utilize " cavitation effect " of ultrasonic wave --- the shape of liquid hollow chamber
The Chang ﹑ of Cheng ﹑ Zhen Dang ﹑ Sheng shrink and collapsed, and the physical and chemical changes triggered.When cavitation bubble collapses, in very short time and sky
In the little space of bubble, more than 5000K high temperature and about 500MPa high pressure, and association strong shock wave and speed per hour are produced
Up to 400Km microjet.The mechanical oscillation effect that ultrasonic wave is produced in communication process, drives acutely shaking for crude oil emulsion
Dynamic, the collision probability between increase emulsion droplet reduces the surface tension of emulsion droplet, so that be conducive to the coalescence of emulsion pearl,
The water droplet of larger diameter is generated, the water droplet of these major diameters realizes the preferable separating effect of profit by the settlement action in tank.
The ultrahigh-power ultrasonic sump oil demulsification and dehydration device that the present invention is provided is in use, the aqueous dirt sent by each device
The sump oil head tank 1 that oil enters before dehydration is stored, and the aqueous sump oil in sump oil head tank 1 is sent after being boosted by aqueous sump (waste oil) pump 2
75 DEG C are warming up to sump oil heater 3, the aqueous sump oil after heating enters ul-trasonic irradiation device 5 after filtering（Two are connected into
One group, two groups of parallel connections）Be demulsified at the beginning of continuous type ultrasonic ripple, just the sump oil after demulsification enters into pulse type supersonic demulsification tank 6
The secondary demulsification of row, subsequently into sedimentation separation drain sump 7；Aqueous sump oil after demulsification passes through one in sedimentation separation drain sump 7
Sump oil, sewage and the cotton-shaped impurity of solid are layered as after section time settlement, the sump oil gravity flow on the top of sedimentation separation drain sump 7 enters into
In product slop tank 8 and sent outside through sump oil after pump 9 boosts and deliver to coking plant as top of coke tower quench oil, realize the recovery of sump oil
With recycling；Sewage and impurity enter depositing reservoir, clarified water pump by pipeline from the bottom of sedimentation separation drain sump 7 through sewage well
Deliver to regulating reservoir, qualified rear discharge up to standard；The aqueous more flowable slag inclusion fluid in bottom of sedimentation separation drain sump 7 is through blowdown
Well delivers to " three mud " depositing reservoir；Not flowable part is excluded when being cleaned in the tank body for carrying out sedimentation separation drain sump 7, and outside
Send processing.Above-mentioned processing mode is equally applicable to oilfield sump oil dehydration.
The device of the present invention carries out demulsification twice using the ultrasonic combined effect of continous way and pulsed and realizes that sump oil takes off
Water, the multirow and multiple row for carrying out ul-trasonic irradiation device 5 according to the treating capacity of sump oil in continuous type ultrasonic ripple demulsification mechanism is arranged
Processing, determines to install the quantity of ultrasonic transducer on pulse type supersonic demulsification tank 6 according to the treating capacity of sump oil；
Continuous type ultrasonic ripple breaking emulsion and dewatering mechanism and pulse type supersonic breaking emulsion and dewatering mechanism can realize modularized design simultaneously, as taking
Building blocks, which equally couple, to be used so that the device can be arranged on the last not treatable sump oil after oil refining enterprise's water process,
Also directly handle, to reduce the conveying of sump oil in oil refining process, subtract after the device that sump oil is produced in oil refining process can be arranged on
Pollution in few course of conveying；The single transducer unit that ul-trasonic irradiation device 5 and pulse type supersonic demulsification tank 6 are used is produced
Power can reach 1~5Kw, the multi-dimensional direction of sump oil is propagated in the ultrasonic wave direction device that transducer is produced, and realizes the nothing propagated
It can be reached after " dead angle ", the continuous continual breaking emulsion and dewatering of realization and the effect for ensureing dirty oil dewatering, oil dewatering as follows
Index：Sump oil is aqueous after dehydration<10%th, sewage with oil after being dehydrated<500mg/L, realizes the recycle and reuse of sump oil.
The technological thought of above example only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within the scope of the present invention
Within；The technology that the present invention is not directed to can be realized by prior art.
Claims (8)
1. a kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device, including sump oil head tank（1）, it is characterised in that：The dirt
Oily head tank（1）In aqueous sump oil pass through aqueous sump (waste oil) pump（2）Deliver to the ul-trasonic irradiation device being arranged in series（5）Carry out continuous
It is demulsified at the beginning of formula ultrasonic wave, just the sump oil after demulsification is through pipeline feeding pulse type supersonic demulsification tank（6）Carry out secondary demulsification, pulse
Formula ultrasonic dehydration tank（6）Discharging opening pass through pipeline and sedimentation separation drain sump（7）It is connected, sedimentation separation drain sump（7）
The interior dehydration sump oil after demulsification enters the finished product slop tank being connected therewith by pipeline（8）It is interior；It is super at least provided with two
Sound wave effect device（5）Series connection demulsification at the beginning of to carry out aqueous dirty oil continuous ultrasonic wave successively is handled；Ul-trasonic irradiation device（5）And arteries and veins
Rush formula ultrasonic dehydration tank（6）The power that the single transducer unit used is produced is 1~5Kw.
2. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 1, it is characterised in that：Multigroup series connection
Ul-trasonic irradiation device（5）It is arranged in parallel the treating capacity that is demulsified at the beginning of to expand the aqueous dirty oil continuous ultrasonic wave of synchronization.
3. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 1, it is characterised in that：Described is aqueous
Sump (waste oil) pump（2）With ul-trasonic irradiation device（5）Between pipeline on be sequentially provided with sump oil heater（3）And contaminant filter（4）, contain
Water sump (waste oil) pump（2）Sump oil heater is delivered to after being boosted to aqueous sump oil（3）Heated up, and through contaminant filter（4）Cross
Enter ul-trasonic irradiation device after filter（5）Demulsification is handled at the beginning of carrying out continuous type ultrasonic ripple.
4. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 3, it is characterised in that：Described sump oil
Heater（3）Can be by aqueous sump (waste oil) pump（2）Convey the aqueous sump oil come and be heated to 50 DEG C~85 DEG C.
5. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 1, it is characterised in that：The ultrasonic wave
Affector（5）Discharging opening by pipeline with positioned at pulse type supersonic be demulsified tank（6）The sump oil import of bottom is connected.
6. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 1 or 5, it is characterised in that：The arteries and veins
Rush formula ultrasonic dehydration tank（6）Top pass through pipeline and sedimentation separation drain sump（7）Top be connected, pulsed will be passed through
Ultrasonic dehydration tank（6）Sump oil feeding sedimentation separation drain sump after secondary demulsification（7）.
7. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 6, it is characterised in that：Described sedimentation
Separating and dehydrating tank（7）It is cotton-shaped that aqueous sump oil after interior demulsification is layered as sump oil, sewage and solid after settling after a while
Impurity, positioned at sedimentation separation drain sump（7）The sump oil gravity flow on top enters finished product slop tank（8）It is interior and send pump outside through sump oil（9）
Coking plant is delivered to after boosting as top of coke tower quench oil；Sewage and impurity are from sedimentation separation drain sump（7）Bottom passes through pipe
Road enters depositing reservoir through sewage well, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard.
8. ultrahigh-power ultrasonic sump oil demulsification and dehydration device according to claim 7, it is characterised in that：The sedimentation point
From drain sump（7）The aqueous more flowable slag inclusion fluid in bottom deliver to " three mud " depositing reservoir through sewage well；It is not flowable
Part is carrying out sedimentation separation drain sump（7）Tank body in exclude when cleaning, and send processing outside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610215516.7A CN105694963B (en) | 2016-04-08 | 2016-04-08 | A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device |
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| CN201610215516.7A CN105694963B (en) | 2016-04-08 | 2016-04-08 | A kind of ultrahigh-power ultrasonic sump oil demulsification and dehydration device |
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| CN105694963B true CN105694963B (en) | 2017-09-22 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2177025C2 (en) * | 1999-11-19 | 2001-12-20 | Открытое акционерное общество "Татнефть" Татарский научно-исследовательский и проектный институт нефти "ТатНИПИнефть" | Method of processing emulsion of intermediate water-oil layer |
| CN102051201A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Method and device for performing emulsion breaking on oil-water emulsion by ultrasonic wave |
| CN103525454B (en) * | 2012-07-05 | 2015-08-19 | 中国石油化工股份有限公司 | A kind of device of ultrasonic wave pot type breakdown of emulsion of series connection |
| CN205576028U (en) * | 2016-04-08 | 2016-09-14 | 江苏大轩石化设备有限公司 | Ultra -large -power ultrasonic wave sump oil breakdown of emulsion dewatering device |
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