CN203382600U - ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system - Google Patents

ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system Download PDF

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Publication number
CN203382600U
CN203382600U CN201320499031.7U CN201320499031U CN203382600U CN 203382600 U CN203382600 U CN 203382600U CN 201320499031 U CN201320499031 U CN 201320499031U CN 203382600 U CN203382600 U CN 203382600U
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China
Prior art keywords
oil
housing
shell
water
water treatment
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Expired - Fee Related
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CN201320499031.7U
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Chinese (zh)
Inventor
周泽宇
周巍
别强
吕小鸿
吴鉴
徐永春
冯欣悦
彭金城
张涛
周涌
任哲
王壮飞
胡建东
黄镇
过钰
吴伟平
佘健勇
蔡德耀
李剑勤
郑原超
张伟军
张建伟
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SHENZHEN YULI TECHNOLOGY Co Ltd
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SHENZHEN YULI TECHNOLOGY Co Ltd
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Priority to CN201320499031.7U priority Critical patent/CN203382600U/en
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Abstract

The utility model discloses an ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system. The deoiling system comprises an aeration internal-circulation demulsifying and deoiling device, an intermediate reaction tank and a flotation and precipitation integrated device which are connected sequentially, wherein the aeration internal-circulation demulsifying and deoiling device comprises a shell, a plurality of perforated aeration tubes and a plurality of spray nozzle air supplying tubes arranged in the shell, a plurality of spray nozzles are arranged on the spray nozzle air supplying tubes, lifting tubes corresponding to the spray nozzles are arranged in the shell, a first overflow weir and a first oil collecting tank are arranged at the upper end of the shell, and a plurality of first oil scraping plates are rotatably arranged at the top of the shell and are connected with a first driving device. According to the ASP-flooding water-reinjection-treatment deoiling system, an aeration and internal circulation manner proposed by the utility model is adopted to demulsify and deoil, so that the oil concentration of outlet water is smaller than 100mg/L no matter how the oil concentration of incoming water changes within a range being smaller than 25000mg/L; after the outlet water passes through the flotation and precipitation integrated device in series connection with the aeration internal-circulation demulsifying and deoiling device, the oil concentration of the outlet water is smaller than 50mg/L; any agent is not required to be added, the power consumption per ton of water is less than 2k.w.h., the sludge is little, and over 99.5% of oil is recovered.

Description

Ternary composite driving re-injection water treatment oil removing system
Technical field
The utility model relates to sewage disposal breaking milk and removing oil technical field, particularly a kind of ternary composite driving re-injection water treatment oil removing system.
Background technology
" ternary composite driving " is in re-injection water, to add after some medicaments in being recycled into oil field to draw up by remaining oil is water-soluble again, it is tertiary process, the total petroleum production in oil field can be improved to 15-25%, be the new technology of China's independent development over more than ten years, lists national secret key research project in.In the oil-water mixture of extraction, water is oily 10-20 times, need after separate at the oily water separation station, be pumped into sewage works and process the re-injection requirement.And then pump is recycled into the oil field displacement of reservoir oil to the dosing of re-injection station.
This sewage composition is very complicated, and characteristic is strange, and very unstable because water be constantly circular treatment and re-injection underground.
Breaking milk and removing oil is the first bank that this water treatment stands in the breach.Water is containing the 1000mg/L-25000mg/L vary within wide limits, and bituminous in oil, except oil-containing, also contain high polymers, tensio-active agent and suspended substance etc. in sewage, and viscosity is very large, is emulsion and colloidal solution.At first breaking milk and removing oil≤50mg/L just can enter follow-up biochemical system.
Deoiling method is a lot, useful filter mode, but water inlet oil-containing<500mg/L, and how the water of back flushing filter core will be processed again? and the very big bitumeniferous oil of viscosity can stick with paste the difficult cleaning of filter core very soon, this method is not suitable for this water treatment.The breakdown of emulsion mode is a lot, and dosing breakdown of emulsion-flocculation dosage is very large, general 3000mg/L-6000mg/L; Water medicament expense 6-12 per ton unit, and sludge quantity is surprisingly large.Therefore, chemical demulsification can not be accepted.Use the ultrasonic wave physical method, energy consumption is too large, through lab scale ton water power, consumes tens of degree power consumptions.The breakdown of emulsion of mechanical means both can the aeration breakdown of emulsion, also can use water screw high-speed stirring breakdown of emulsion.With water screw high-speed stirring breakdown of emulsion, the occasion very large to the water yield needs a lot of platform stirrers to be arranged in pond, and not only investment is large, and energy consumption is large, and can bring the trouble of maintenance of equipment frequently.The electricity flocculation is electrochemical method, and through test, deoiling effect is limited, although not dosing, the residence time is short, and energy consumption is not high, but battery lead plate is lossy, spacing only has 10 millimeters of less thaies, change extremely inconveniently, and produce a large amount of bean dregs shape suspended substances after electricity flocculation pilot scale can not normally be moved.
Summary of the invention
The purpose of this utility model is, for the problems referred to above, provides a kind of ternary composite driving re-injection water treatment oil removing system.
The technical scheme that the utility model adopted for achieving the above object is:
A kind of ternary composite driving re-injection water treatment oil removing system, it comprises the aeration internal recycle breaking milk and removing oil device connected successively, the gentle shallow lake combination body device that drifts along in intermediate reaction pond, described aeration internal recycle breaking milk and removing oil device comprises housing, be provided with some boring aeration pipes and some nozzle air-supply duct in this housing, this nozzle air-supply duct is provided with some nozzles, in this housing, corresponding described nozzle is provided with enhancing tube, the upper end of this housing is provided with one first overflow weir and one first oil trap, top in this housing also is provided with some the first oil scraping plates rotationally, described the first oil scraping plate is connected with one first drive unit.
Described housing comprises that one first shell and is located at the first inner core in this first shell, the top of this first inner core is lower than the top of this first shell, the bottom of this first inner core is connected with this first body seal, this first oil trap, the first overflow weir all are connected with some the first headers, and described the first header extends to the bottom in space between this first inner core wall and the first shell wall.
Described nozzle air-supply duct is connected with an air compressor machine induction pipe, and described boring aeration pipe is connected with the first water-in on being located at this first shell, also is provided with an evacuation port and a fan aspirate pipe on the wall of this first shell.
Described intermediate reaction pond comprises a pond body, a sulfuric acid throwing device and a PLC acidity control device, the bottom of this pond body is provided with some boring aeration pipes, this sulfuric acid throwing device is provided with an input pipe extended in this pond body, this PLC acidity control device is connected with an inductor block, and this inductor block is placed in this Chi Tizhong.
Described air supporting precipitation combination body device comprises a second housing and is located at the second inner core in this second housing, be provided with a release district cylinder in this second inner core, be provided with some relievers in this release district cylinder, described reliever is connected with the dissolved air water entrance on being located at this second housing, the upper end of this second housing is provided with one second overflow weir and one second oil trap, the top of this second housing also is provided with some the second oil scraping plates rotationally, and described the second oil scraping plate is connected with one second drive unit.
Described the first overflow weir is connected with this pond body.
This first oil trap bottom is connected with a collection tube.
The bottom of this second housing is provided with a spoil disposal and evacuated tube, the bottom of this second oil trap is provided with a slag notch, the bottom of this second overflow weir is provided with a water outlet, and this second overflow weir, the second oil trap all are connected with some second housings of being located at and are communicated with the second header between the second inner core.
This second housing is provided with one second water-in, and this second water-in is connected with the bottom that discharges district's cylinder, between this second water-in and described intermediate reaction pond, is connected with a water pump.
Described the first drive unit is identical with the second driving device structure, includes the drive-motor and the one speed reducer that are connected.
The aeration inner loop mode breaking milk and removing oil that employing the utility model proposes, no matter how the water oil-containing changes with interior being less than 25000mg/L, water outlet oil-containing<100mg/L.After the air supporting precipitation combination type equipment of series connection with it, water outlet oil-containing<50mg/L, do not need to add any medicament again, water power consumption less than 2 degree electricity per ton, and mud is few, and oil is recovered more than 99.5%.
The beneficial effects of the utility model are: its reasonable in design of the utility model is ingenious, energy-efficient, water power per ton consumption less than 2 degree electricity, and mud is few, and oil is recovered more than 99.5%, stable performance, reliable.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Embodiment: see Fig. 1 and Fig. 2, a kind of ternary composite driving re-injection of the utility model water treatment oil removing system, it comprises the aeration internal recycle breaking milk and removing oil device 1 connected successively, the gentle shallow lake combination body device 3 that drifts along in intermediate reaction pond 2, described aeration internal recycle breaking milk and removing oil device 1 comprises housing, be provided with some boring aeration pipes 11 and some nozzle air-supply duct 12 in this housing, this nozzle air-supply duct 12 is provided with some nozzles 13, in this housing, corresponding described nozzle 13 is provided with enhancing tube 14, the upper end of this housing is provided with one first overflow weir 15 and one first oil trap 16, also be provided with rotationally some the first oil scraping plates 17 in the top of this housing, described the first oil scraping plate 17 is connected with one first drive unit 18.
Described housing comprises that one first shell 19 and is located at the first inner core 10 in this first shell 19, the top of this first inner core 10 is lower than the top of this first shell 19, the bottom of this first inner core 10 and this first shell 19 are tightly connected, this first oil trap 16, the first overflow weir 15 all are connected with some the first headers 151, and described the first header 151 extends to the bottom in space between these the first inner core 10 walls and the first shell 19 walls.
Described nozzle air-supply duct 12 is connected with an air compressor machine induction pipe, and described boring aeration pipe 11 is connected with the first water-in 191 on being located at this first shell 19, also is provided with an evacuation port 192 and a fan aspirate pipe 193 on the wall of this first shell 19.
Described intermediate reaction pond 2 comprises a pond body 21, a sulfuric acid throwing device 22 and a PLC acidity control device 23, the bottom of this pond body 21 is provided with some boring aeration pipes 11, this sulfuric acid throwing device 22 is provided with an input pipe 24 extended in this pond body 21, this PLC acidity control device 23 is connected with an inductor block 25, and this inductor block 25 is placed in this pond body 21.
Described air supporting precipitation combination body device 3 comprises a second housing 31 and is located at the second inner core 32 in this second housing 31, be provided with a release district cylinder 33 in this second inner core 32, be provided with some relievers 34 in this release district cylinder 33, described reliever 34 is connected with the dissolved air water entrance 35 on being located at this second housing 31, the upper end of this second housing 31 is provided with one second overflow weir 36 and one second oil trap 37, the top of this second housing 31 also is provided with some the second oil scraping plates 38 rotationally, and described the second oil scraping plate 38 is connected with one second drive unit 39.
Described the first overflow weir 15 is connected with this pond body 21.
These the first oil trap 16 bottoms are connected with a collection tube 161.
The bottom of this second housing 31 is provided with a spoil disposal and evacuated tube 311, the bottom of this second oil trap 37 is provided with a slag notch 371, the bottom of this second overflow weir 36 is provided with a water outlet 361, and this second overflow weir 36, the second oil trap 37 all are connected with some second housings 31 of being located at and are communicated with the second header 372 between the second inner core 32.
This second housing 31 is provided with one second water-in 312, and this second water-in 312 is connected with the bottom that discharges district's cylinder 33, between this second water-in 312 and described intermediate reaction pond 2, is connected with a water pump 4.
Described the first drive unit 18 is identical with the second drive unit 39 structures, includes the drive-motor and the one speed reducer that are connected.
The aeration inner loop mode breaking milk and removing oil that employing the utility model proposes, no matter how the water oil-containing changes with interior being less than 25000mg/L, water outlet oil-containing<100mg/L.After the air supporting precipitation combination type equipment of series connection with it, water outlet oil-containing<50mg/L, do not need to add any medicament again, water power consumption less than 2 degree electricity per ton, and mud is few, and oil is recovered more than 99.5%.
Its reasonable in design of the utility model is ingenious, energy-efficient, water power per ton consumption less than 2 degree electricity, and mud is few, and oil is recovered more than 99.5%, stable performance, reliable.
Be introduced into aeration internal recycle breaking milk and removing oil device 1 containing oil at the sewage of 1000mg/L~25000mg/L, by the first water-in 191 water inlets, boring aeration pipe 11 and fan aspirate pipe 193 provide the roots blower aeration, the shearing action of a large amount of bubbles, make the original charge balance of the small oil particles of emulsification shape destroyed, after short grained oil accumulation becomes oarse-grained oil, because light specific gravity climbs up on top of the water, under the effect of the first drive unit 18, by the first oil scraping plate 17, scraped in the first oil trap 16, the oil reservoir that drains into other setting through collection tube 161 regularly reclaims.Nozzle air-supply duct 12 and air compressor machine induction pipe provide air compressor machine pressurized air, and under the effect of nozzle 13, high velocity air forms negative pressure, sewage and air are fully mixed 14 li of enhancing tubes, and the also fully mixing of whole pond aqueous vapor, form the systemic circulation in pond, strengthened the effect of mechanical breakdown of emulsion.Water after oily water separation flow to the first header 151 from the first inner core 10 and is pressed onto overflow weir again, and the water outlet oleaginousness is less than 100mg/L, and water outlet drains into intermediate reaction pond 2.
Establishing boring aeration pipe 11 in intermediate reaction pond 2 is stirred, water after aeration internal recycle breaking milk and removing oil device 1 is processed is mixed at this, be provided with sulfuric acid throwing device 22 and PLC acidity control device 23, control and throw acid with PLC acidity control device 23, make pH≤9, otherwise generate subsequent chemical industry order is difficult to normal operation.Water outlet is raised to air supporting precipitation combination body device 3 by water pump 4 by water extraction again.
Water-in second by air supporting precipitation combination body device 3 is intake to discharging district's cylinder 33, and dissolved air water discharges through reliever 34 from dissolved air water entrance 35, with water inlet, mixes uniformly, makes the particle of Oil in Sewage Water and microbubble combine, and makes proportion become lighter, floats rapidly.Heavy suspended substance is in the second inner core 32 the insides and discharge the annular space separation between district's cylinder 33, be deposited to second housing 31 bottoms and roll up mud, regularly by spoil disposal and evacuated tube, drained into the sludge thickener of other setting, the little suspended substance of oil droplet and proportion is under the effect of dissolved air water microbubble, floating upper liquid level, form scum silica frost, by the second oil scraping plate 38, scum silica frost is scraped in the second oil trap 37, then drained into the sludge thickener of other setting by slag notch 371; Middle clear liquid is flow to the subsequent disposal system of other setting by water outlet 361.Now, petroleum content contained in water outlet is less than 50mg/L, reaches the water inlet requirement of follow-up system.
As described in the utility model embodiment, with other ternary composite driving re-injection water treatment oil removing systems of the same or similar structure of the utility model, all in the utility model protection domain.

Claims (10)

1. a ternary composite driving re-injection water treatment oil removing system, it comprises the aeration internal recycle breaking milk and removing oil device connected successively, the gentle shallow lake combination body device that drifts along in intermediate reaction pond, it is characterized in that: described aeration internal recycle breaking milk and removing oil device comprises housing, be provided with some boring aeration pipes and some nozzle air-supply duct in this housing, this nozzle air-supply duct is provided with some nozzles, in this housing, corresponding described nozzle is provided with enhancing tube, the upper end of this housing is provided with one first overflow weir and one first oil trap, top in this housing also is provided with some the first oil scraping plates rotationally, described the first oil scraping plate is connected with one first drive unit.
2. ternary composite driving re-injection water treatment oil removing system according to claim 1, it is characterized in that, described housing comprises that one first shell and is located at the first inner core in this first shell, the top of this first inner core is lower than the top of this first shell, the bottom of this first inner core is connected with this first body seal, this first oil trap, the first overflow weir all are connected with some the first headers, and described the first header extends to the bottom in space between this first inner core wall and the first shell wall.
3. ternary composite driving re-injection water treatment oil removing system according to claim 1, it is characterized in that, described nozzle air-supply duct is connected with an air compressor machine induction pipe, described boring aeration pipe is connected with the first water-in on being located at this first shell, also is provided with an evacuation port and a fan aspirate pipe on the wall of this first shell.
4. ternary composite driving re-injection water treatment oil removing system according to claim 1, it is characterized in that, described intermediate reaction pond comprises a pond body, a sulfuric acid throwing device and a PLC acidity control device, the bottom of this pond body is provided with some boring aeration pipes, this sulfuric acid throwing device is provided with an input pipe extended in this pond body, this PLC acidity control device is connected with an inductor block, and this inductor block is placed in this Chi Tizhong.
5. ternary composite driving re-injection water treatment oil removing system according to claim 1, it is characterized in that, described air supporting precipitation combination body device comprises a second housing and is located at the second inner core in this second housing, be provided with a release district cylinder in this second inner core, be provided with some relievers in this release district cylinder, described reliever is connected with the dissolved air water entrance on being located at this second housing, the upper end of this second housing is provided with one second overflow weir and one second oil trap, the top of this second housing also is provided with some the second oil scraping plates rotationally, described the second oil scraping plate is connected with one second drive unit.
6. ternary composite driving re-injection water treatment oil removing system according to claim 4, is characterized in that, described the first overflow weir is connected with this pond body.
7. ternary composite driving re-injection water treatment oil removing system according to claim 1, is characterized in that, this first oil trap bottom is connected with a collection tube.
8. ternary composite driving re-injection water treatment oil removing system according to claim 5, it is characterized in that, the bottom of this second housing is provided with a spoil disposal and evacuated tube, the bottom of this second oil trap is provided with a slag notch, the bottom of this second overflow weir is provided with a water outlet, and this second overflow weir, the second oil trap all are connected with some second housings of being located at and are communicated with the second header between the second inner core.
9. ternary composite driving re-injection water treatment oil removing system according to claim 5, it is characterized in that, this second housing is provided with one second water-in, and this second water-in is connected with the bottom that discharges district's cylinder, between this second water-in and described intermediate reaction pond, is connected with a water pump.
10. ternary composite driving re-injection water treatment oil removing system according to claim 5, is characterized in that, described the first drive unit is identical with the second driving device structure, includes the drive-motor and the one speed reducer that are connected.
CN201320499031.7U 2013-08-15 2013-08-15 ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system Expired - Fee Related CN203382600U (en)

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CN201320499031.7U CN203382600U (en) 2013-08-15 2013-08-15 ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system

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Application Number Priority Date Filing Date Title
CN201320499031.7U CN203382600U (en) 2013-08-15 2013-08-15 ASP (Alkali-Surfactant-Polymer)-flooding water-reinjection-treatment deoiling system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459171A (en) * 2017-09-04 2017-12-12 合肥天翔环境工程有限公司 A kind of sewage disposal system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459171A (en) * 2017-09-04 2017-12-12 合肥天翔环境工程有限公司 A kind of sewage disposal system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20160815

CF01 Termination of patent right due to non-payment of annual fee