CN110182992A - A kind of method and device based on micro-nano field flotation oily wastewater - Google Patents
A kind of method and device based on micro-nano field flotation oily wastewater Download PDFInfo
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- CN110182992A CN110182992A CN201910445708.0A CN201910445708A CN110182992A CN 110182992 A CN110182992 A CN 110182992A CN 201910445708 A CN201910445708 A CN 201910445708A CN 110182992 A CN110182992 A CN 110182992A
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- micro
- nano
- nano field
- oily wastewater
- flocculant
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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
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The present invention provides a kind of methods based on micro-nano field flotation oily wastewater, it is characterized in that, coagulant and pH regulator are added in oily wastewater, dispersing pump dispersion by duct type makes oil and suspended matter in water form uniform micron/nano particle, reactor formation micro-nano field is entered with mode of jet and flocculant is added, micron/nano particle under flocculant effect forms macromolecular oil group and boots and float, and is purified oily wastewater.The present invention also provides the micro-nano field reactors and system and device of realizing above-mentioned micro-nano field.The present invention is small using specific gravity oily in oily wastewater, and there are the purposes that quick oily wastewater purification under Water-In-Oil, oil-in-water form, is realized using the method and micro-nano field control method that chemistry and mechanical treatment combine.
Description
Technical field
The invention belongs to environment protection fields, are related to a kind of method and device based on micro-nano field flotation oily wastewater.
Background technique
After oil gas field enters the exploitation middle and later periods, well stimulation is often taken, after introducing measure, several features: (1) water occurs
Amount increases；(2) sewage highly emulsifies；(3) contain higher polymer.The especially high sewage containing oil emulsion, into re-injection system
It or after evaporation tank, can slowly be precipitated, influence water quality and subsequent processing, thus directly affect oil gas field yield.
Summary of the invention
For above-mentioned technical problem in the prior art, the present invention provides a kind of based on micro-nano field flotation oily wastewater
Method, it is characterised in that: coagulant and pH regulator are added in oily wastewater, dispersing pump dispersion by duct type makes in water
Oil and suspended matter form uniform micron/nano particle, enter reactor with mode of jet and form micro-nano field (by micro-nano
Particle shape at a dynamic solid conversion zone, abbreviation micro-nano field) and be added flocculant, the micron/nano under flocculant effect
Particle forms macromolecular oil group and boots and float, and is purified oily wastewater.
Preferably, the coagulant is molysite ion coagulant, and additional amount is 1.0~10.0mg/L.
Preferably, the pH regulator is sodium hydroxide, and it is 6 containing sewage pH range that additional amount, which is 1.0~5.0mg/L,
~9.
Preferably, the micro-nano field is the evenly dispersed field that particle diameter is 10nm~10 μm.
Preferably, the flocculant is anion/cation polyacrylamide, and additional amount is 1~10mg/L.
The present invention also provides a kind of devices based on micro-nano field flotation oily wastewater, which is characterized in that including water inlet pipe
Line, coagulant dosing pipeline, pH regulator dosing pipeline, duct type dispersion pump, flotation unit, micro-nano field reactor, purified water
Outlet pipeline, sludge outlet pipeline and flocculant dosing pipeline；The back with water inlet line is connected to micro-nano field reactor, back with water inlet line
It is equipped with duct type dispersion pump, the coagulant dosing pipeline and pH regulator dosing pipeline is connected to respectively with back with water inlet line and position
Upstream is pumped in dispersion, the flocculant dosing pipeline is connected to micro-nano field reactor, micro-nano field reactor head and flotation unit
One end connection, the flotation unit other end are connected to sludge outlet pipeline, and micro-nano field reactor bottom and purified water outlet pipeline connect
It is logical.
Preferably, described that coagulant and pH are added by coagulant dosing pipeline and pH regulator dosing pipeline containing sewage
Then regulator forms micron/nano particle by duct type dispersion pump dispersion and enters micro-nano field reactor formation micro-nano field, leads to
It crosses flocculant dosing pipeline and flocculant is added in the reactor of micro-nano field, flocculant is in conjunction with the micron/nano particle in micro-nano field
Macromolecular agglomerate is formed to rise from lifting force, then the flotation unit recycling through top, is most discharged through sludge outlet pipeline, only afterwards
Change water to be discharged by bottom purge water outlet pipeline.
Preferably, the purified water outlet pipeline is equipped with the outer emission control of purified water.
Preferably, the sludge outlet pipeline is equipped with sludge outer emission control automatically.
Preferably, the duct type dispersion revolution speed is 6000~10000rpm.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is small using specific gravity oily in oily wastewater and micro-nano particle recombinates quick feature, using mechanically and chemically handling
The method combined reaches sewage quick purifying purpose in conjunction with the building of micro-nano field and fast reaction.Method of the invention has control
Make it is simple and reliable, it is at low cost, react the features such as quick.The environment of all kinds of high oil-containings (including oil emulsion) is adapted to, it is real convenient for control
Existing simple and reliable process.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural schematic diagrams of the device of micro-nano field flotation oily wastewater, wherein 1 is back with water inlet line；
2 be coagulant dosing pipeline；3 be pH regulator dosing pipeline；4 be duct type dispersion pump；5 be flotation unit；6 be micro-nano field；7
For micro-nano field reactor；8 be the outer emission control of purified water；9 be purified water outlet pipeline；10 be sludge outer emission control automatically；
11 be sludge outlet pipeline, and 12 be flocculant dosing pipeline.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
The present invention also provides a kind of purification devices of oily wastewater, which is characterized in that including back with water inlet line 1, coagulant
Dosing pipeline 2, pH regulator dosing pipeline 3, duct type dispersion pump 4, flotation unit 5, micro-nano field reactor 7, purified water outlet
Controller 8, purified water outlet pipeline 9, sludge outer emission control 10 automatically, sludge outlet pipeline 11 and flocculant dosing pipeline
12；The back with water inlet line 1 is connected to micro-nano field reactor 7, and back with water inlet line 1 is equipped with duct type dispersion pump 4, and the coagulant adds
Pencil line 2 and pH regulator dosing pipeline 3 are connected to back with water inlet line 1 respectively and are located at 4 upstreams of duct type dispersion pump, the flocculation
Agent pipeline 12 is connected to micro-nano field reactor 7, and reactor 7 top in micro-nano field is connected to 5 one end of flotation unit, and flotation unit 5 is another
One end is connected to sludge outlet pipeline 11, and reactor 7 bottom in micro-nano field is connected to purified water outlet pipeline 9, outside the purified water
Comb line 9 is equipped with the outer emission control 8 of purified water, and sludge outlet pipeline 11 is equipped with sludge outer emission control 10 automatically.
Molysite ion coagulant is added by coagulant dosing pipeline 2 and pH regulator dosing pipeline 3 in the oily wastewater
(model: HC-3-11, Changsha Wei Yu Ingegneria Ambientale SRL) and sodium hydroxide (conventional products) then pass through duct type point
4 high speed dispersions of pump are dissipated, micron/nano particle (particle diameter 10nm~10 μm) is formed and enters the formation of micro-nano field reactor 7 micro-nano field
6, flocculant is added in micro-nano field reactor 7 by flocculant line 12, and (Renqiu City capital is along Chemical Co., Ltd., negative (model
APAM)/positive (model C PAM) cationic polyacrylamide appearance is white powder, molecular weight from 600 ten thousand to 2,500 ten thousand), flocculant
Macromolecular agglomerate is formed in conjunction with the micron/nano particle in micro-nano field to rise from lifting force, then the flotation unit 5 through top
Recycling is most discharged through sludge outlet pipeline 11 afterwards, and purified water is discharged by bottom purge water outlet pipeline 9.The duct type point
Dissipating revolution speed is 6000-10000rpm；The additional amount of molysite ion coagulant is 1.0-10.0mg/L；The additional amount of sodium hydroxide
It is 6~9 containing sewage pH range for 1.0-5.0mg/L；Flocculant be (negative APAM/ sun CPAM cationic polyacrylamide, according to
Water quality characteristic is adjustable), additional amount is 1~10mg/L.
Claims (9)
1. a kind of method based on micro-nano field flotation oily wastewater, which is characterized in that coagulant and pH are added in oily wastewater
Regulator, dispersing pump dispersion by duct type makes oil and suspended matter in water form uniform micron/nano particle, with jet stream side
Formula enters reactor and forms micro-nano field and flocculant is added, and the micron/nano particle under flocculant effect forms macromolecular oil
It rolls into a ball and boots and float, be purified oily wastewater.
2. the method as described in claim 1 based on micro-nano field flotation oily wastewater, which is characterized in that the coagulant is molysite
Ion coagulant, additional amount are 1.0~10.0mg/L.
3. the method as described in claim 1 based on micro-nano field flotation oily wastewater, which is characterized in that the pH regulator is hydrogen
Sodium oxide molybdena, additional amount are 1.0~5.0mg/L, are 6~9 containing sewage pH range.
4. the method as described in claim 1 based on micro-nano field flotation oily wastewater, which is characterized in that the micro-nano field is particle
Diameter is the evenly dispersed field of 10nm~10 μm.
5. the method as described in claim 1 based on micro-nano field flotation oily wastewater, which is characterized in that the flocculant be yin/
Cationic polyacrylamide, additional amount are 1~10mg/L.
6. a kind of device based on micro-nano field flotation oily wastewater, which is characterized in that including back with water inlet line (1), coagulant dosing
Pipeline (2), pH regulator dosing pipeline (3), duct type dispersion pump (4), flotation unit (5), micro-nano field reactor (7), purification
Water outlet pipeline (9), sludge outlet pipeline (11) and flocculant dosing pipeline (12)；The back with water inlet line (1) and micro-nano field are anti-
Device (7) are answered to be connected to, back with water inlet line (1) is equipped with duct type dispersion pump (4), the coagulant dosing pipeline (2) and pH regulator
Dosing pipeline (3) is connected to back with water inlet line (1) respectively and is located at duct type dispersion pump (4) upstream, the flocculant line (12)
It is connected to micro-nano field reactor (7), is connected at the top of micro-nano field reactor (7) with flotation unit (5) one end, flotation unit (5) is another
One end is connected to sludge outlet pipeline (11), and micro-nano field reactor (7) bottom is connected to purified water outlet pipeline (9).
7. the device as claimed in claim 6 based on micro-nano field flotation oily wastewater, which is characterized in that described to pass through containing sewage
Coagulant and pH regulator is added in coagulant dosing pipeline (2) and pH regulator dosing pipeline (3), is then dispersed by duct type
Pump (4) dispersion forms micron/nano particle and enters micro-nano field reactor (7) formation micro-nano field (6), passes through flocculant line (12)
Flocculant is added in micro-nano field reactor (7), flocculant forms macromolecular in conjunction with the micron/nano particle in micro-nano field (6)
Agglomerate from lifting force to rise, and then the flotation unit through top (5) recycles, and is most discharged afterwards through sludge outlet pipeline (9), purified water
It is discharged by bottom purge water outlet pipeline (11).
8. the device as claimed in claim 6 based on micro-nano field flotation oily wastewater, which is characterized in that the outer comb of the purified water
Line (9) is equipped with the outer emission control (8) of purified water；Sludge outlet pipeline (11) is equipped with sludge outer emission control (10) automatically.
9. the device as claimed in claim 6 based on micro-nano field flotation oily wastewater, which is characterized in that the duct type dispersion pump
(4) revolving speed is 6000~10000rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445708.0A CN110182992A (en) | 2019-05-27 | 2019-05-27 | A kind of method and device based on micro-nano field flotation oily wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910445708.0A CN110182992A (en) | 2019-05-27 | 2019-05-27 | A kind of method and device based on micro-nano field flotation oily wastewater |
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| CN110182992A true CN110182992A (en) | 2019-08-30 |
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| CN201910445708.0A Pending CN110182992A (en) | 2019-05-27 | 2019-05-27 | A kind of method and device based on micro-nano field flotation oily wastewater |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486515A (en) * | 2009-02-17 | 2009-07-22 | 宜兴市芳惠子环保设备厂 | Oily wastewater treatment method and whole set apparatus thereof |
| US8951422B2 (en) * | 2009-04-20 | 2015-02-10 | Sorbwater Technology As | Apparatus and method for separation of phases in a multiphase flow |
| CN204918072U (en) * | 2015-09-01 | 2015-12-30 | 岳阳长岭设备研究所有限公司 | Oily water treatment device |
-
2019
- 2019-05-27 CN CN201910445708.0A patent/CN110182992A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486515A (en) * | 2009-02-17 | 2009-07-22 | 宜兴市芳惠子环保设备厂 | Oily wastewater treatment method and whole set apparatus thereof |
| US8951422B2 (en) * | 2009-04-20 | 2015-02-10 | Sorbwater Technology As | Apparatus and method for separation of phases in a multiphase flow |
| CN204918072U (en) * | 2015-09-01 | 2015-12-30 | 岳阳长岭设备研究所有限公司 | Oily water treatment device |
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Application publication date: 20190830 |
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