CN105776704A - Super-high power ultrasonic sump oil emulsion breaking dehydration method - Google Patents
Super-high power ultrasonic sump oil emulsion breaking dehydration method Download PDFInfo
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- CN105776704A CN105776704A CN201610215514.8A CN201610215514A CN105776704A CN 105776704 A CN105776704 A CN 105776704A CN 201610215514 A CN201610215514 A CN 201610215514A CN 105776704 A CN105776704 A CN 105776704A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a super-high power ultrasonic sump oil emulsion breaking dehydration method.The method comprises the steps that water-containing sump oil in a sump oil stock tank (1) is preheated and pressurized through a water-containing sump oil pump (2) and fed into a sump oil heater (3) to be heated to 50-85 DEG C; the heated water-containing sump oil is fed into an ultrasonic actuator (5) for continuous ultrasonic initial emulsion breaking; the sump oil obtained after initial emulsion breaking is fed into a pulse type ultrasonic emulsion breaking tank (6) through a pipeline for secondary emulsion breaking; the water-containing sump oil obtained after secondary emulsion breaking flows into a settlement separation dehydration tank (7) to be heated to 40-80 DEG C for settlement and layering to obtain sump oil, sewage and solid flocculent impurities; the sump oil located at the upper portion of the settlement separation dehydration tank (7) automatically flows into a finished sump oil tank (8); sewage and impurities enter a settling pond from the bottom of the settlement separation dehydration tank (7) through a sewage disposal well.According to the two-time ultrasonic emulsion breaking, sump oil dehydration is achieved, the sump oil dehydration rate is larger than 90%, and the sewage oil content is smaller than 500 mg/L.
Description
Technical field
The present invention relates to moisture sump oil processing technology field, refer in particular to all kinds of light sump oil of oil refining enterprise's generation and the process of the breaking emulsion and dewatering recovery of heavy dirty oil and Oil-production Enterprises extraction sewage, specifically dirty oil dewatering rate > 90% and oil content of wastewater < the ultrahigh-power ultrasonic sump oil breaking dehydrating method of 500mg/L after a kind of dehydration.
Background technology
Dirty oil of oil refinery be mainly in each process device processing procedure produce highly aqueous emulsion, i.e. " aging " sump oil, produce sump oil quantity is refinery output 1%～1.5%.This sump oil has emulsifying degree height, water content high " three high " feature high, impure, adopt traditional thermal dehydration and add the mode of demulsifier dehydration, breakdown of emulsion is extremely difficult, the dehydration rate of High water cut sump oil is less than 20%, impurity extrusion rate is almost nil, the sump oil after process cannot meet atmospheric unit mix refining processing or coking plant make quench oil utilize production requirement.The major defect of this traditional heating and the mode that adds demulsifier is: energy consumption is high, demulsifier consumption is big, costs and poor dehydration results, after de-, sump oil is difficult to utilize, and demulsifier cannot process again, causes secondarily polluted water, more increase the weight of environmental protection treatment difficulty, greatly increased charges for disposing pollutants and use.In order to deposit this type of sump oil, oil plant all must have sump oil holding vessel or pond deposited by sump oil.So sump oil processes is always up enterprise's urgent need to solve the problem, it also it is the difficult problem that domestic and international scientific and technological circle are anxious to be captured.
China's onshore oil field substantially all adopts waterflooding extraction mode, injecting water to be plucked out of with crude oil, along with the development time extends, extraction crude oil water content constantly rises, crude oil defeated outside or outward transport before requirement water must be deviate from, qualified crude oil allow moisture content be less than 0.5%.Owing to sewage produces in oil extraction process, therefore, being called extraction sewage (ProducedWater), in water, major pollutants are crude oil.Extraction sewage is qualified through processing on ground, then re-injection underground, recycles.Oil field at home extraction sewage treatment process adopts water drive recovered water conventional treatment process, water drive oil-polluted water advanced treatment process, polymer produced water conventional treatment process etc., in recent years, China's onshore oil field is along with the prolongation of waterflooding extraction time, the popularization and application of the tertiary oil recovery technology being particularly representative with polymer displacement of reservoir oil, oilfield produced waste water character generation large change, existing sewage treatment process occurs inadaptable, and treatment effect is deteriorated, and affects Development Response of Oilfield.
Summary of the invention
It is an object of the invention to for prior art Problems existing, it is provided that dirty oil dewatering rate > 90% and oil content of wastewater < the ultrahigh-power ultrasonic sump oil breaking dehydrating method of 500mg/L after a kind of dehydration.
It is an object of the invention to solve by the following technical programs:
A kind of ultrahigh-power ultrasonic sump oil breaking dehydrating method, it is characterised in that: the step of described sump oil breaking dehydrating method is:
A, the moisture sump oil in sump oil head tank is preheated after by delivering to sump oil heater and be heated to 50 DEG C～85 DEG C after the pressurization of moisture sump (waste oil) pump；
B, heated after moisture sump oil deliver to the ul-trasonic irradiation device being arranged in series and carry out continuous type ultrasonic ripple just breakdown of emulsion；
Sump oil after c, first breakdown of emulsion is sent into pulse type supersonic breakdown of emulsion tank through pipeline and is carried out secondary breakdown of emulsion；
Moisture sump oil after d, secondary breakdown of emulsion flows in settlement separate drain sump through the discharging opening of pulsed ultrasonic dehydration tank by pipeline, and the moisture sump oil after secondary breakdown of emulsion is heated to 40 DEG C～80 DEG C in settlement separate drain sump and is layered as the cotton-shaped impurity of sump oil, sewage and solid after sedimentation after a while；
E, it is positioned at the sump oil on settlement separate drain sump top from flowing into finished product slop tank and sending outside after pump boosts through sump oil and deliver to coking plant as top of coke tower quench oil；Sewage and impurity enter depositing reservoir by pipeline through sewage well bottom settlement separate drain sump, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard.
Moisture sump oil in sump oil head tank is preheated to 20 DEG C～25 DEG C by the saturated vapor of input 1.1MPa by described step (a).
Sump oil heater in described step (a) adopts the saturated vapor of 1.1MPa that the moisture sump oil after pressurization is heated.
Moisture sump oil after heating in described step (b) needs before sending into ul-trasonic irradiation device to filter through contaminant filter (4).
Described step (b) processes to be sequentially carried out moisture dirty oil continuous ultrasound wave just breakdown of emulsion at least provided with two ul-trasonic irradiation device series connection, and adopts the ul-trasonic irradiation device of many group series connection to be arranged in parallel to expand the moisture dirty oil continuous ultrasound wave just breakdown of emulsion treating capacity of synchronization.
The power that ul-trasonic irradiation device in described step (b) and the single transducer unit adopted on the pulse type supersonic breakdown of emulsion tank in step (c) produce is at 1～5Kw.
Moisture sump oil after secondary breakdown of emulsion in settlement separate drain sump is heated making its Accelerated subsidence by described step (d) by the saturated vapor of input 1.1MPa.
Dirty oil dewatering rate > 90%, the oil content of wastewater < 500mg/L obtained in described step (e).
The moisture more flowable slag inclusion fluid in bottom of the settlement separate drain sump in described step (e) delivers to " three mud " depositing reservoir through sewage well；Get rid of when not flowable part cleans in the tank body carrying out settlement separate drain sump, and send process outside.
The present invention has the following advantages compared to existing technology:
The present invention adopts the ultrasonic combined effect of continuous way and pulsed to perform twice at breakdown of emulsion and realizes dirty oil dewatering, in continuous type ultrasonic ripple breakdown of emulsion mechanism, treating capacity according to sump oil carries out the arrangement of ul-trasonic irradiation device multirow and multiple row and processes, and on pulse type supersonic breakdown of emulsion tank, the treating capacity according to sump oil determines to install the quantity of ultrasonic transducer；The power that the single transducer unit that ul-trasonic irradiation device and pulse type supersonic breakdown of emulsion tank adopt produces can reach 1～5Kw, in the ultrasonic wave direction device that transducer produces, the multi-dimensional direction of sump oil is propagated, realize the nothing " dead angle " propagated, realize continuous continual breaking emulsion and dewatering and ensure the effect of dirty oil dewatering, following index can be reached: dirty oil dewatering rate > 90%, oil content of wastewater < 500mg/L, it is achieved that the recycle and reuse of sump oil after oil dewatering.
Accompanying drawing explanation
Accompanying drawing 1 is the ultrahigh-power ultrasonic sump oil breaking dehydrating method process chart of the present invention.
Wherein: 1 sump oil head tank；2 moisture sump (waste oil) pumps；3 sump oil heaters；4 contaminant filter；5 ul-trasonic irradiation devices；6 pulse type supersonic breakdown of emulsion tanks；7 settlement separate drain sumps；8 finished product slop tanks；Pump sent outside by 9 sump oils.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated with embodiment.
As shown in Figure 1: a kind of ultrahigh-power ultrasonic sump oil breaking dehydrating method, the step of this sump oil breaking dehydrating method is: a, by input 1.1MPa saturated vapor the moisture sump oil in sump oil head tank 1 is preheated to 20 DEG C～25 DEG C, delivering to sump oil heater 3 after then passing through the pressurization of moisture sump (waste oil) pump 2 and be heated to 50 DEG C～85 DEG C, sump oil heater 3 adopts the saturated vapor of 1.1MPa that the moisture sump oil after pressurization is heated；B, heated after moisture sump oil deliver to before ul-trasonic irradiation device 5 sent into by the moisture sump oil after the ul-trasonic irradiation device 5 being arranged in series carries out continuous type ultrasonic ripple just breakdown of emulsion and heating and need to filter through contaminant filter 4；Sump oil after c, first breakdown of emulsion is sent into pulse type supersonic breakdown of emulsion tank 6 through pipeline and is carried out secondary breakdown of emulsion；Moisture sump oil after d, secondary breakdown of emulsion flows in settlement separate drain sump 7 through the discharging opening of pulsed ultrasonic dehydration tank 6 by pipeline, by the saturated vapor of input 1.1MPa, the moisture sump oil after the secondary breakdown of emulsion in settlement separate drain sump 7 being heated to 40 DEG C～80 DEG C and make its Accelerated subsidence, the moisture sump oil after secondary breakdown of emulsion in settlement separate drain sump 7 is layered as the cotton-shaped impurity of sump oil, sewage and solid after sedimentation after a while；E, it is positioned at the sump oil on settlement separate drain sump 7 top from flowing into finished product slop tank 8 and sending outside after pump 9 boosts through sump oil and deliver to coking plant as top of coke tower quench oil；Sewage and impurity enter depositing reservoir by pipeline through sewage well bottom settlement separate drain sump 7, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard；Additionally the moisture more flowable slag inclusion fluid in the bottom of settlement separate drain sump 7 delivers to " three mud " depositing reservoir through sewage well；Get rid of when not flowable part cleans in the tank body carrying out settlement separate drain sump 7, and send process outside.Moisture sump oil in sump oil head tank 1 is after above-mentioned process, it is thus achieved that dirty oil dewatering rate > 90%, oil content of wastewater < 500mg/L.
In above-mentioned technique, connect to be sequentially carried out moisture dirty oil continuous ultrasound wave just breakdown of emulsion at least provided with two ul-trasonic irradiation devices 5 to process, and adopt the ul-trasonic irradiation device 5 of many group series connection to be arranged in parallel to expand the moisture dirty oil continuous ultrasound wave just breakdown of emulsion treating capacity of synchronization；The power that the single transducer unit simultaneously adopted on ul-trasonic irradiation device 5 and pulse type supersonic breakdown of emulsion tank 6 produces is at 1～5Kw.The sump oil obtained after dehydration can send atmospheric and vacuum distillation unit freshening according to its purity or make coke installation tower top quench oil.
The emulsion breaking principle of ultrahigh-power ultrasonic sump oil breaking dehydrating method provided by the invention is: be arranged on by powerful ultrasonic unit on the pipeline before sump oil enters tank, adopt continuously-pulse ultrasonic wave mode of application that sump oil carries out breakdown of emulsion process, strengthen profit separating power under gravity；The formation oscillating growth utilizing hyperacoustic " cavitation effect " liquid hollow chamber shrinks and collapse, and the physical and chemical changes caused.During cavitation bubble collapse, in the little space of very short time and cavitation bubble, produce the high temperature of more than 5000K and the high pressure of about 500MPa the microjet of association strong shock wave and speed per hour up to 400Km.The mechanical vibration effect that ultrasound wave produces in communication process, drive the high vibration of crude oil emulsion, increase the collision probability between emulsion droplet, reduce the surface tension of emulsion droplet, thus being conducive to the coalescence of emulsion pearl, generating the water droplet of larger diameter, the water droplet of these major diameters is through the settlement action in tank, it is achieved the better separating effect of profit.
Embodiment one
When ultrahigh-power ultrasonic sump oil breaking dehydrating method provided by the invention uses, a, first pass through input 1.1MPa saturated vapor the moisture sump oil in sump oil head tank 1 is preheated to 20 DEG C, delivering to sump oil heater 3 after then passing through the pressurization of moisture sump (waste oil) pump 2 and be heated to 75 DEG C, sump oil heater 3 adopts the saturated vapor of 1.1MPa that the moisture sump oil after pressurization is heated；B, heated after moisture sump oil deliver to two groups of ul-trasonic irradiation device 5(two being arranged in series be connected into one group, two groups in parallel) carry out continuous type ultrasonic ripple just breakdown of emulsion and heating after moisture sump oil send into ul-trasonic irradiation device 5 before need to filter through contaminant filter 4；Sump oil after c, first breakdown of emulsion is sent into the pulse type supersonic breakdown of emulsion tank 6 with six transducer units through pipeline and is carried out secondary breakdown of emulsion；Moisture sump oil after d, secondary breakdown of emulsion flows in settlement separate drain sump 7 through the discharging opening of pulsed ultrasonic dehydration tank 6 by pipeline, by the saturated vapor of input 1.1MPa, the moisture sump oil after the secondary breakdown of emulsion in settlement separate drain sump 7 being heated to 80 DEG C and make its Accelerated subsidence, the moisture sump oil after secondary breakdown of emulsion in settlement separate drain sump 7 is layered as the cotton-shaped impurity of sump oil, sewage and solid after sedimentation after a while；E, it is positioned at the sump oil on settlement separate drain sump 7 top from flowing into finished product slop tank 8 and sending outside after pump 9 boosts through sump oil and deliver to coking plant as top of coke tower quench oil；Sewage and impurity enter depositing reservoir by pipeline through sewage well bottom settlement separate drain sump 7, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard；Additionally the moisture more flowable slag inclusion fluid in the bottom of settlement separate drain sump 7 delivers to " three mud " depositing reservoir through sewage well；Get rid of when not flowable part cleans in the tank body carrying out settlement separate drain sump 8, and send process outside.Moisture sump oil in sump oil head tank 1 is after above-mentioned process, it is thus achieved that dirty oil dewatering rate > 90%, oil content of wastewater < 500mg/L.Above-mentioned processing mode is equally applicable to oilfield sump oil dehydration.
The present invention adopts the ultrasonic combined effect of continuous way and pulsed to perform twice at breakdown of emulsion and realizes dirty oil dewatering, in continuous type ultrasonic ripple breakdown of emulsion mechanism, treating capacity according to sump oil carries out the arrangement of ul-trasonic irradiation device 5 multirow and multiple row and processes, and on pulse type supersonic breakdown of emulsion tank 6, the treating capacity according to sump oil determines to install the quantity of ultrasonic transducer；The power that the single transducer unit that ul-trasonic irradiation device 5 and pulse type supersonic breakdown of emulsion tank 6 adopt produces can reach 1～5Kw, in the ultrasonic wave direction device that transducer produces, the multi-dimensional direction of sump oil is propagated, realize the nothing " dead angle " propagated, realize continuous continual breaking emulsion and dewatering and ensure the effect of dirty oil dewatering, following index can be reached: dirty oil dewatering rate > 90%, oil content of wastewater < 500mg/L, it is achieved that the recycle and reuse of sump oil after oil dewatering.
Above example is only the technological thought that the present invention is described, it is impossible to limits protection scope of the present invention, every technological thought proposed according to the present invention, any change done on technical scheme basis with this, each falls within scope；The technology that the present invention is not directed to all can be passed through prior art and be realized.
Claims (9)
1. a ultrahigh-power ultrasonic sump oil breaking dehydrating method, it is characterised in that: the step of described sump oil breaking dehydrating method is:
A, the moisture sump oil in sump oil head tank (1) is preheated after by delivering to sump oil heater (3) and be heated to 50 DEG C～85 DEG C after moisture sump (waste oil) pump (2) pressurization；
B, heated after moisture sump oil deliver to the ul-trasonic irradiation device (5) being arranged in series and carry out continuous type ultrasonic ripple just breakdown of emulsion；
Sump oil after c, first breakdown of emulsion is sent into pulse type supersonic breakdown of emulsion tank (6) through pipeline and is carried out secondary breakdown of emulsion；
Moisture sump oil after d, secondary breakdown of emulsion flows in settlement separate drain sump (7) through the discharging opening of pulsed ultrasonic dehydration tank (6) by pipeline, and the moisture sump oil after secondary breakdown of emulsion is heated to 40 DEG C～80 DEG C in settlement separate drain sump (7) and is layered as the cotton-shaped impurity of sump oil, sewage and solid after sedimentation after a while；
E, it is positioned at the sump oil on settlement separate drain sump (7) top from flowing into finished product slop tank (8) and sending outside after pump (9) boosts through sump oil and deliver to coking plant as top of coke tower quench oil；Sewage and impurity enter depositing reservoir by pipeline through sewage well from settlement separate drain sump (7) bottom, and clarified water pump delivers to regulating reservoir, qualified rear discharge up to standard.
2. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1, it is characterised in that: the moisture sump oil in sump oil head tank (1) is preheated to 20 DEG C～25 DEG C by the saturated vapor of input 1.1MPa by described step (a).
3. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1 and 2, it is characterised in that: the sump oil heater (3) in described step (a) adopts the saturated vapor of 1.1MPa that the moisture sump oil after pressurization is heated.
4. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1 and 2, it is characterised in that: the moisture sump oil after the heating in described step (b) is sent into front needs of ul-trasonic irradiation device (5) and is filtered through contaminant filter (4).
5. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1, it is characterized in that: described step (b) processes to be sequentially carried out moisture dirty oil continuous ultrasound wave just breakdown of emulsion at least provided with two ul-trasonic irradiation device (5) series connection, and adopt the ul-trasonic irradiation device (5) of many group series connection to be arranged in parallel to expand the moisture dirty oil continuous ultrasound wave just breakdown of emulsion treating capacity of synchronization.
6. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1 or 5, it is characterised in that: the power that the ul-trasonic irradiation device (5) in described step (b) and the single transducer unit adopted on pulse type supersonic breakdown of emulsion tank (6) in step (c) produce is at 1～5Kw.
7. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1, it is characterised in that: the moisture sump oil after the secondary breakdown of emulsion in settlement separate drain sump (7) is heated making its Accelerated subsidence by described step (d) by the saturated vapor of input 1.1MPa.
8. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1, it is characterised in that: dirty oil dewatering rate > 90%, the oil content of wastewater < 500mg/L obtained in described step (e).
9. ultrahigh-power ultrasonic sump oil breaking dehydrating method according to claim 1, it is characterised in that: the moisture more flowable slag inclusion fluid in bottom of the settlement separate drain sump (7) in described step (e) delivers to " three mud " depositing reservoir through sewage well；Get rid of when not flowable part cleans in the tank body carrying out settlement separate drain sump (7), and send process outside.
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| CN107235532A (en) * | 2017-05-16 | 2017-10-10 | 方明环保科技(漳州)有限公司 | The separator of energy oil-water separation |
| CN110104728A (en) * | 2019-05-31 | 2019-08-09 | 青岛贝索科技有限公司 | A kind of method and device of ultrasonic wave sour water processing sump oil |
| CN110282833A (en) * | 2019-07-23 | 2019-09-27 | 生态环境部南京环境科学研究所 | A kind of full-automatic oil stain intercepting purification device applied to Drain contamination for river channel mouth |
| CN110282855A (en) * | 2018-12-10 | 2019-09-27 | 岳阳长岭设备研究所有限公司 | The de- solid processing unit of sump oil greasy filth dehydration and its treatment process |
| CN110563287A (en) * | 2019-08-30 | 2019-12-13 | 南京庞瑞科技有限公司 | Greasy dirt processing system based on internet of things |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107235532A (en) * | 2017-05-16 | 2017-10-10 | 方明环保科技(漳州)有限公司 | The separator of energy oil-water separation |
| CN110282855A (en) * | 2018-12-10 | 2019-09-27 | 岳阳长岭设备研究所有限公司 | The de- solid processing unit of sump oil greasy filth dehydration and its treatment process |
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| CN110104728B (en) * | 2019-05-31 | 2023-09-22 | 青岛贝索科技有限公司 | Method and device for treating dirty oil by ultrasonic sulfur-containing sewage |
| CN110282833A (en) * | 2019-07-23 | 2019-09-27 | 生态环境部南京环境科学研究所 | A kind of full-automatic oil stain intercepting purification device applied to Drain contamination for river channel mouth |
| CN110563287A (en) * | 2019-08-30 | 2019-12-13 | 南京庞瑞科技有限公司 | Greasy dirt processing system based on internet of things |
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