CN110054329A - A kind of small-sized central treating station or water-injection station produce sewage treatment skid method - Google Patents
A kind of small-sized central treating station or water-injection station produce sewage treatment skid method Download PDFInfo
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- CN110054329A CN110054329A CN201910305534.8A CN201910305534A CN110054329A CN 110054329 A CN110054329 A CN 110054329A CN 201910305534 A CN201910305534 A CN 201910305534A CN 110054329 A CN110054329 A CN 110054329A
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
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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
- C02F1/52—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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
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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
- C02F7/00—Aeration of stretches of water
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- Water Supply & Treatment (AREA)
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of small-sized central treating stations or water-injection station to produce sewage treatment skid method, comprising the following steps: S1, extraction sewage is transported to by elevator pump takes off steady degreasing unit, carries out viscosity reduction, except oil slick, desanding pre-process；S2, pretreated extraction sewage enter electrochemical reactor by elevator pump and carry out pre-oxidation flocculation, S3, and efficient coagulating device is the unit that sewage is carried out to coagulating sedimentation reaction；S4, efficient coagulating device water outlet enter second level oil removing nitrogen floating device by gravity flow；S5, it takes off the blowdowns such as steady degreasing unit, efficient coagulating device, secondary oil removing nitrogen floating device and receives oily dross into quenched tank, sludge dehydration device is that the dross and oil slick that are formed in entire sewage disposal process are carried out the quenched separation of greasy filth by folding the principle of spiral shell machine dehydration, guarantees the wastewater treatment efficiency in the case of winter and special water quality.Small-sized central treating station and water-injection station extraction sewage treatment to the dispersion of domestic and international oil field region have important practical significance.
Description
Technical field
The present invention relates to sewage water treatment method technical fields more particularly to a kind of small-sized central treating station or water-injection station to produce
Sewage treatment skid method.
Background technique
Producing sewage is to be developed from stratum with crude oil, and the collection suspended matter formed after water-oil separating is solid
Body, oil, dissolution substance are in the heterogeneous system of one.Each oil field water quality is different, or even in the water quality of areal different blocks
There is very big difference, mainly there is " output water is big ", " water temperature is high ", " salinity is high ", " grease density difference is small ", " organic matter
Content is high, type is more ", " bacterial content is high " the features such as.The extraction sewage of domestic each elephant is exclusive in addition to a small amount of, the overwhelming majority
Meet reservoir waterflooding demand after processing and carries out re-injection.
But influenced by domestic each oil field production method, the limitation of geographical environment, each oil-field flooding region pipe network also has
Institute is different, Changqing oilfields, extension oil-field flooding point dispersion, the defeated systemization of water injection pipe especially where Ordos Basin
It is low, and produce sewage treatment and have the characteristics that water is small, website dispersion, intermittent processing, it is difficult to unified centralized processing, it is single
Processing method it is ineffective, and equipment stable operation is poor, complicated for operation.In conjunction with the Environmental Protection Situation of current sternness, for extraction
The processing and re-injection of sewage have become the major tasks in each oil field, because " one kind is suitable for small-sized central treating station or note to the invention
The extraction sewage treatment skid integrated equipment of water station ", guarantees its operation steady in a long-term and water quality treatment reaches reservoir water and opens
Hair requires.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and propose.
To achieve the goals above, present invention employs following technical solutions:
A kind of small-sized central treating station or water-injection station produce sewage treatment skid method, comprising the following steps:
S1, extraction sewage is transported to by elevator pump takes off steady degreasing unit, carries out viscosity reduction, except oil slick, desanding pre-process；
S2, pretreated extraction sewage enter electrochemical reactor by elevator pump and carry out pre-oxidation flocculation, and extraction is dirty
Water is chemically reacted in electrochemical reaction appts, and the sewage after pre-oxidation is added by medicament, water quality adjustment is carried out, under
The low sludge coagulant precipitation of one step creates conditions；
S3, efficient coagulating device are the units that sewage is carried out to coagulating sedimentation reaction, and extraction sewage enters highly effective coagulation dress
It postpones, mating medicament system is being added, the solid suspension particle in further removal extraction sewage；
S4, efficient coagulating device water outlet enter second level oil removing nitrogen floating device by gravity flow, further remove oil removal
And oil-containing, the film fine filter stable operation of rear end nitrogen aerating pore is protected, filter device is made of secondary filtration technique, and one
Grade filtering uses more medium filter, and secondary filtration uses nitrogen aerating pore film fine filter；
S5 takes off the dross entrance that oil is received in the blowdowns such as steady degreasing unit, efficient coagulating device, secondary oil removing nitrogen floating device
Quenched tank, sludge dehydration device are the dross and oil slick that will be formed in entire sewage disposal process by folding the principle of spiral shell machine dehydration
The quenched separation of greasy filth, crude oil recovery to crude oil recovery tank are carried out, water-containing sludge carries out folded sieve minimizing processing unit, after minimizing
Moisture percentage in sewage sludge control is after 65% or so, collection according to carrying out harmless treatment in environmentally friendly specifications set；
S6, mating electromagnetic heater and dosing technique device provide heating and precision for the whole series extraction sewage disposal system
Medicament addition, guarantee the wastewater treatment efficiency in the case of winter and special water quality.
Further, the core of the technology is electrochemistry flocculation oxidation method, this method be under the action of external voltage,
The cationic water in the solution generated using the soluble anode (iron anode, aluminium anodes or other anodes) in electrochemical apparatus
Solution, polymerization generate a series of multinuclear hydroxo complex and hydroxide, on the one hand play flocculation, another party as flocculant
Face has very high adsorption activity, can effectively adsorb the organic pollutant and other colloidal substances in water, while electrolytic process produces
The micro-bubble of raw oxygen or hydrogen has air bearing effect, and the redox reaction of generation can make pollutant direct on the electrode
Or oxidation or reduction occur indirectly and is removed from waste water.
Further, the nitrogen air flotation oil removal device is to be generated largely in water to be processed by nitrogen gas generating device
Fine nitrogen bubble be carrier, when in sewage oil droplet and impurity wadding grain and bubble adhere to each other when, just form global density
Less than the grain group of water, the buoyancy of grain group, which is greater than gravity and resistance, makes it float up to the water surface, to complete solid and solid in water, consolidate
Body is separated with liquid, liquid with liquid, while scraping the oil slick and miscellaneous that slag system goes out sub-argument by bottom sludge drainage system and top
Outside matter wadding body discharge system, play the role of further purifying, while in order to avoid conventional air-dissolving air-float technology bring oxygen is rotten
The problems such as erosion and fouling, manufactures micropore nitrogen bubble using nitrogen making machine, can solve problems existing for routine techniques.
Further, the nitrogen aerating pore film fine filter is net for the sewage progress depth after conventional filtration
A kind of novel filtering device changed, size, filter area, the distance of microporous barrier and the quantity of microporous barrier optimize calculating, more
Media filtration device is discharged (Han You≤10mg/L；Xuan Fu Wu≤10mg/L；Han Tie≤10mg/L；Zhi≤4 μm Li diameter Zhong) it is received
Collect in microporous barrier, and rear end water purification pot is entered by infiltration lane, is made of between film and pump corrosion resistant soft suction hose, energy
Vacuum pressure is enough resisted, is provided in filter process by nitrogen making machine and is aerated gas source, further progress oil removing avoids crude oil to micropore
The erosion of film injures.After micro-pore-film filtration 6-8 hours, Yao Jinhang chemical cleaning (sodium hypochlorite or citric acid), when backwash, seeps
It is flowed back thoroughly by film, removes contamination film cake layer, prevent from polluting, guarantee the fortune steady in a long-term of nitrogen aerating pore film fine filter
Row.
Compared with prior art, the beneficial effects of the present invention are:
1. process equipment of the invention is by by electrochemical cell, highly effective coagulation unit, nitrogen air flotation oil removal unit, nitrogen
Aerating pore fine filtering etc. forms skid-mounted type module, and is assembled into the integrating device of packaged type, disperses for different location
Property extraction sewage distributed treatment, be particularly suitable for remote central treating station and water-injection station, have biggish flexibility, and
Matched sewage treatment drug system is low sludge anti-corrosion, scale-inhibiting integrated technology.
2. H2S, FeS sulfides in water are removed in the form of settling wadding body adding low sludge complex reagent,
It is slow thoroughly to break colloid equilibrium and CO2, HCO3-, CO32- weak acid and weak base intrinsic in sewage under the collective effect of coagulation reagent
System is rushed, composition such as the H2S sulfides and HCO3 compound etc. of corrosion and scaling will be easy to produce under surface condition.
3. separating removal by coagulant precipitation in sewage disposal process, keep suspended matter, oil emulsion in sewage etc. miscellaneous
Matter little particle is gathered into bulky grain, forms the wadding body that volume is big, density is big, sedimentation is fast, settles, isolates completely from water body
Come, is realized in lower ph condition and kill bacterium, control corrosion rate, inhibit fouling and water quality allround fastness purpose up to standard, to adopt
The deep purifying processing of sewage provides a method and equipment out.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Detailed description of the invention
Fig. 1 is the signal that a kind of small-sized central treating station or water-injection station proposed by the present invention produce sewage treatment skid method
Figure.
Fig. 2 is the signal that a kind of small-sized central treating station or water-injection station proposed by the present invention produce sewage treatment skid method
Figure.
A kind of small-sized central treating station or water-injection station produce sewage treatment skid method, comprising the following steps:
S1, extraction sewage is transported to by elevator pump takes off steady degreasing unit, carries out viscosity reduction, except oil slick, desanding pre-process；
S2, pretreated extraction sewage enter electrochemical reactor by elevator pump and carry out pre-oxidation flocculation, and extraction is dirty
Water is chemically reacted in electrochemical reaction appts, and the sewage after pre-oxidation is added by medicament, water quality adjustment is carried out, under
The low sludge coagulant precipitation of one step creates conditions；
S3, efficient coagulating device are the units that sewage is carried out to coagulating sedimentation reaction, and extraction sewage enters highly effective coagulation dress
It postpones, mating medicament system is being added, the solid suspension particle in further removal extraction sewage；
S4, efficient coagulating device water outlet enter second level oil removing nitrogen floating device by gravity flow, further remove oil removal
And oil-containing, the film fine filter stable operation of rear end nitrogen aerating pore is protected, filter device is made of secondary filtration technique, and one
Grade filtering uses more medium filter, and secondary filtration uses nitrogen aerating pore film fine filter；
S5 takes off the dross entrance that oil is received in the blowdowns such as steady degreasing unit, efficient coagulating device, secondary oil removing nitrogen floating device
Quenched tank, sludge dehydration device are the dross and oil slick that will be formed in entire sewage disposal process by folding the principle of spiral shell machine dehydration
The quenched separation of greasy filth, crude oil recovery to crude oil recovery tank are carried out, water-containing sludge carries out folded sieve minimizing processing unit, after minimizing
Moisture percentage in sewage sludge control is after 65% or so, collection according to carrying out harmless treatment in environmentally friendly specifications set；
S6, mating electromagnetic heater and dosing technique device provide heating and precision for the whole series extraction sewage disposal system
Medicament addition, guarantee the wastewater treatment efficiency in the case of winter and special water quality.
The core of the technology is electrochemistry flocculation oxidation method, and this method is to utilize electrification under the action of external voltage
The cation that the soluble anode (iron anode, aluminium anodes or other anodes) in equipment generates is learned to hydrolyze, polymerize in the solution
A series of multinuclear hydroxo complex and hydroxide are generated, on the one hand flocculation is played as flocculant, on the other hand has
Very high adsorption activity can effectively adsorb organic pollutant and other colloidal substances in water, while electrolytic process generates oxygen
Or the micro-bubble of hydrogen has air bearing effect, the redox reaction of generation can make pollutant direct or indirect on the electrode
Oxidation or reduction occurs and is removed from waste water.
The nitrogen air flotation oil removal device is to generate a large amount of fine nitrogen by nitrogen gas generating device in water to be processed
Gas bubble is carrier, when in sewage oil droplet and impurity wadding grain and bubble adhere to each other when, just form global density and be less than water
Grain group, the buoyancy of grain group, which is greater than gravity and resistance, makes it float up to the water surface, to complete solid and solid, solid and liquid in water
Body, liquid are separated with liquid, while scraping the oil slick and impurity wadding body that slag system goes out sub-argument by bottom sludge drainage system and top
Outside discharge system, play the role of further purifying, while in order to avoid conventional air-dissolving air-float technology bring oxygen corrosion and knot
The problems such as dirty, manufactures micropore nitrogen bubble using nitrogen making machine, can solve problems existing for routine techniques.
The nitrogen aerating pore film fine filter is one kind that deep purifying is carried out for the sewage after conventional filtration
Novel filtering device, size, filter area, the distance of microporous barrier and the quantity of microporous barrier optimize calculating, multi-medium filtering
Equipment is discharged (Han You≤10mg/L；Xuan Fu Wu≤10mg/L；Han Tie≤10mg/L；Zhi≤4 μm Li diameter Zhong) it is collected into micropore
In film, and rear end water purification pot is entered by infiltration lane, is made of, can resist true corrosion resistant soft suction hose between film and pump
Pneumatics power, provides aeration gas source by nitrogen making machine in filter process, and further progress oil removing avoids erosion of the crude oil to microporous barrier
Injury.After micro-pore-film filtration 6-8 hours, Yao Jinhang chemical cleaning (sodium hypochlorite or citric acid), when backwash, penetrates through film
Reflux removes contamination film cake layer, prevents from polluting, and guarantees the operation steady in a long-term of nitrogen aerating pore film fine filter.
The present invention uses electrochemistry+second level oil removing+highly effective coagulation sedimentation+secondary filtration combined type treatment process, for
Extraction sewage (types such as calcium chloride, sodium bicarbonate, magnesium chloride) of different nature, matched sewage treatment drug system are low dirt
Mud anti-corrosion, scale-inhibiting integrated technology, under low pH value after guarantee processing sewage stably reaching standard, solve extraction sewage sludge quantum of output
Greatly, sewage and water flooding pH value such as differ greatly at the practical problems after bacterial resistance occurred, processing.
The present invention is by carrying out de- steady pretreatment, electrochemical oxidation, hi-effect coagulation, nitrogen gas for oilfield produced waste water
The links such as floating oil removing, aerating pore film fine filtering, mating low sludge anti-corrosion, scale-inhibiting pharmaceutical preparations system, treated, and extraction is dirty
Water meets II grade standard of reservoir water standard, and is integrated into sewage disposal system, crude oil recovery system, greasy filth as one kind and subtracts
The packaged type device of the one such as quantification treatment system, to the small-sized central treating station and water-injection station of the dispersion of domestic and international oil field region
Extraction sewage treatment has important practical significance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of small-sized central treating station or water-injection station produce sewage treatment skid method, which comprises the following steps:
S1, extraction sewage is transported to by elevator pump takes off steady degreasing unit, carries out viscosity reduction, except oil slick, desanding pre-process；
S2, pretreated extraction sewage enter electrochemical reactor by elevator pump and carry out pre-oxidation flocculation, and extraction sewage exists
It is chemically reacted in electrochemical reaction appts, the sewage after pre-oxidation is added by medicament, water quality adjustment is carried out, in next step
Low sludge coagulant precipitation create conditions；
S3, efficient coagulating device is the unit that sewage is carried out to coagulating sedimentation reaction, after extraction sewage enters efficient coagulating device,
Mating medicament system is being added, the solid suspension particle in further removal extraction sewage；
S4, efficient coagulating device water outlet enter second level oil removing nitrogen floating device by gravity flow, further remove oil removal and contain
Oil protects the film fine filter stable operation of rear end nitrogen aerating pore, and filter device is made of secondary filtration technique, level-one mistake
Filter uses more medium filter, and secondary filtration uses nitrogen aerating pore film fine filter；
S5, take off the blowdowns such as steady degreasing unit, efficient coagulating device, secondary oil removing nitrogen floating device receive oil dross enter it is quenched
Tank, sludge dehydration device are to be carried out the dross and oil slick that are formed in entire sewage disposal process by folding the principle of spiral shell machine dehydration
The quenched separation of greasy filth, crude oil recovery to crude oil recovery tank, water-containing sludge carry out folded sieve minimizing processing unit, sludge after minimizing
Moisture control is after 65% or so, collection according to carrying out harmless treatment in environmentally friendly specifications set；
S6, mating electromagnetic heater and dosing technique device provide heating and accurate medicine for a whole set of extraction sewage disposal system
Agent addition, guarantees the wastewater treatment efficiency in the case of winter and special water quality.
2. a kind of small-sized central treating station according to claim 1 or water-injection station produce sewage treatment skid method, special
Sign is that the core of the technology is electrochemistry flocculation oxidation method, and this method is to utilize electrochemistry under the action of external voltage
The cation that soluble anode (iron anode, aluminium anodes or other anodes) in equipment generates hydrolyzes in the solution, polymerize life
At a series of multinuclear hydroxo complex and hydroxide, flocculation on the one hand is played as flocculant, is on the other hand had very
High adsorption activity, can effectively adsorb organic pollutant and other colloidal substances in water, at the same electrolytic process generate oxygen or
The micro-bubble of hydrogen has air bearing effect, and the redox reaction of generation can be such that pollutant directly or indirectly sends out on the electrode
Raw oxidation is restored and is removed from waste water.
3. a kind of small-sized central treating station according to claim 1 or water-injection station produce sewage treatment skid method, special
Sign is that the nitrogen air flotation oil removal device is to generate a large amount of fine nitrogen by nitrogen gas generating device in water to be processed
Bubble is carrier, when in sewage oil droplet and impurity wadding grain and bubble adhere to each other when, just formed global density be less than water grain
Group, the buoyancy of grain group, which is greater than gravity and resistance, makes it float up to the water surface, thus complete solid and solid, solid and liquid in water,
Liquid is separated with liquid, while scraping the oil slick and the discharge of impurity wadding body that slag system goes out sub-argument by bottom sludge drainage system and top
Outside system, play the role of further purifying, while in order to avoid conventional air-dissolving air-float technology bring oxygen corrosion and fouling etc.
Problem manufactures micropore nitrogen bubble using nitrogen making machine, can solve problems existing for routine techniques.
4. a kind of small-sized central treating station according to claim 1 or water-injection station produce sewage treatment skid method, special
Sign is that the nitrogen aerating pore film fine filter is for a kind of new of the sewage progress deep purifying after conventional filtration
Type filter plant, size, filter area, the distance of microporous barrier and the quantity of microporous barrier optimize calculating, and multi-medium filtering is set
Standby water outlet (Han You≤10mg/L；Xuan Fu Wu≤10mg/L；Han Tie≤10mg/L；Zhi≤4 μm Li diameter Zhong) it is collected into microporous barrier
It is interior, and rear end water purification pot is entered by infiltration lane, it is made of between film and pump corrosion resistant soft suction hose, vacuum can be resisted
Pressure, provides aeration gas source by nitrogen making machine in filter process, and further progress oil removing avoids crude oil from hurting the erosion of microporous barrier
Evil.After micro-pore-film filtration 6-8 hours, Yao Jinhang chemical cleaning (sodium hypochlorite or citric acid), when backwash, penetrates through film and returns
Stream removes contamination film cake layer, prevents from polluting, and guarantees the operation steady in a long-term of nitrogen aerating pore film fine filter.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376532A (en) * | 2007-08-31 | 2009-03-04 | 中国石油天然气股份有限公司 | Low-temperature oily sewage treatment method |
| CN102583816A (en) * | 2012-01-30 | 2012-07-18 | 西安石油大学 | Method for reusing and treating oily wastewater by adopting nitrogen gas floatation technology |
| CN202610021U (en) * | 2012-04-27 | 2012-12-19 | 浙江大学 | External anaerobic membrane bioreactor |
| CN203530059U (en) * | 2013-09-04 | 2014-04-09 | 北京联众华禹环保科技有限公司 | Treatment system of waste drilling mud filtrate |
| CN104402139A (en) * | 2014-11-11 | 2015-03-11 | 辽宁省石油化工规划设计院有限公司 | Processing method of oil-containing sewage |
| CN105366834A (en) * | 2014-08-28 | 2016-03-02 | 中国海洋石油总公司 | Polymer-contained sewage processing system of offshore platform |
| CN205347057U (en) * | 2016-01-21 | 2016-06-29 | 北京奥友兴业科技发展有限公司 | Oil field tertiary oil recovery effluent disposal system |
-
2019
- 2019-04-16 CN CN201910305534.8A patent/CN110054329A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376532A (en) * | 2007-08-31 | 2009-03-04 | 中国石油天然气股份有限公司 | Low-temperature oily sewage treatment method |
| CN102583816A (en) * | 2012-01-30 | 2012-07-18 | 西安石油大学 | Method for reusing and treating oily wastewater by adopting nitrogen gas floatation technology |
| CN202610021U (en) * | 2012-04-27 | 2012-12-19 | 浙江大学 | External anaerobic membrane bioreactor |
| CN203530059U (en) * | 2013-09-04 | 2014-04-09 | 北京联众华禹环保科技有限公司 | Treatment system of waste drilling mud filtrate |
| CN105366834A (en) * | 2014-08-28 | 2016-03-02 | 中国海洋石油总公司 | Polymer-contained sewage processing system of offshore platform |
| CN104402139A (en) * | 2014-11-11 | 2015-03-11 | 辽宁省石油化工规划设计院有限公司 | Processing method of oil-containing sewage |
| CN205347057U (en) * | 2016-01-21 | 2016-06-29 | 北京奥友兴业科技发展有限公司 | Oil field tertiary oil recovery effluent disposal system |
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