CN106045143A - Ternary water, polymeric water or fracturing water treatment equipment and technological method - Google Patents

Ternary water, polymeric water or fracturing water treatment equipment and technological method Download PDF

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Publication number
CN106045143A
CN106045143A CN201610569901.1A CN201610569901A CN106045143A CN 106045143 A CN106045143 A CN 106045143A CN 201610569901 A CN201610569901 A CN 201610569901A CN 106045143 A CN106045143 A CN 106045143A
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China
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water
sewage
ternary
dealkalize
dealkalization
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CN201610569901.1A
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Inventor
王汉勤
刘仁明
张驰
曹永成
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Albert Source Of Daqing Albert Energy Technology Development Co Ltd
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Albert Source Of Daqing Albert Energy Technology Development Co Ltd
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Priority to CN201610569901.1A priority Critical patent/CN106045143A/en
Publication of CN106045143A publication Critical patent/CN106045143A/en
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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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • 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
    • 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
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • 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
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • 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
    • C02F1/54—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
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention belongs to the field of oil field water treatment equipment and particularly relates to ternary water, polymeric water or fracturing water treatment equipment and technological method. The ternary water, polymeric water or fracturing water treatment equipment comprises a dealkalization device, an electrochemical device, an air floatation device, a primary sedimentation tank, a secondary sedimentation tank, a double-filter-material filtering device, a dynamic membrane filtration device and a clear water tank which are sequentially connected in the sewage flowing direction through pipelines, wherein a chemical dosing device A and a chemical dosing device B are arranged at the water inlet end and the water outlet end of the electrochemical device respectively. The ternary water, polymeric water or fracturing water treatment technological method comprises the following steps: A, injecting a sewage stock solution into the dealkalization device for dealkalization; B, injecting dealkalized sewage into the electrochemical device for ionization; C, injecting sewage discharged out of the electrochemical device into the air floatation device, and adding a mixed chemical B into the sewage through the chemical dosing device B before the sewage is injected into the air floatation device.

Description

Ternary water, polymer water or frac water processing equipment and process thereof
Technical field
The invention belongs to oil field field of water treatment equipment, particularly relate to a kind of ternary water, polymer water or frac water and process Equipment and process thereof.
Background technology
Along with the increase of the oilfield exploitation time limit, China's major part oil field enters tertiary phase, three times, oil field the most successively Recover the oil and use complex ternary reinjection technique, be greatly improved crude oil recovery ratio.But ternary oil-polluted water is because of high alkalinity, high viscosity Characteristic, uses conventional treatment method less effective, and existing treatment process for sewage in oil field can not meet produced fluids during asp-flooding Process requirement.The technical barrier of sewage disposal has directly influenced the further application of ternary production technique, has influence on former What oil produced stablizes.
The widely used polyacrylamide of China's polymer displacement of reservoir oil tech (PAM), its sewage viscosity containing PAM produced Greatly, oil droplet and solid suspension are strong in the emulsified stability of effect of PAM and hydrolyzate thereof in water, deal with the most tired Difficult.Oxidizing reduction degraded is the water technology of a kind of maturation, low cost, is applied to oil field containing poly-containing greasy dirt by numerous scholars Water, ternary oily waste water treatment research in the middle of.Polyacrylamide oxidizing reduction degraded system mainly have redox system (as K2S2CVFeSO4 system), Fenton reagent, hydrogen peroxide and ozone oxidation system etc., its mechanism is radical reaction mechanism. The advantage of oxidizing reduction degraded is easy to use, does not produce secondary pollution.
Summary of the invention
The present invention provides a kind of ternary water, polymer water or frac water processing equipment and uses this equipment to carry out at sewage The process of reason, with the problem solving to propose in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of ternary water, polymer water or frac water processing equipment include dealkalization device, electrochemical appliance, air-floating apparatus, One-level Sedimentation tank, two grades of Sedimentation tanks, double filtering defecator, dynamic membrane filtering device and clean water tank, above each device is according to dirt The pipeline that flows through of water is sequentially connected with, and the water inlet end of electrochemical appliance and water side are respectively arranged with chemicals dosing plant A and dosing Device B.
Described dealkalization device is internally provided with supersonic generator, negative plate, ionic membrane, positive plate and upper spacer, from Dealkalization device inner space is separated into two chambers by sub-film and upper spacer, and ionic membrane is fixed in dealkalization device by framework Portion, ionic membrane is clamped in centre by framework, and plane relative with the both sides of ionic membrane on framework is provided with protection network, described Supersonic generator has two groups and is symmetricly set on the both sides of ionic membrane, and described negative plate is arranged on dealkalize wastewater influent one Side, described positive plate is arranged on dealkalize sewage water outlet side, and dealkalize sewage inlet is arranged on the bottom of wastewater influent side, Dealkalize sewage outlet is arranged on the top of sewage water outlet side and the vertical position height higher than upper spacer.
Described electrochemical appliance be internally provided with supersonic generator and electrode plate groups, supersonic generator has two Individual, it is separately positioned on this electrode plate groups both sides, this electrode plate groups is formed by least three pairs of positive-negative electrode plate assembled parallel, often aligns The spacing of negative electrode plate is 0.5 centimetre.
The described each battery lead plate in positive plate, negative plate and electrode plate groups is made by ruthenium iridium plate.Described is ultrasonic The outside of wave producer is provided with waterproof case, and waterproof case is made up of Titanium board.The described filter in double filtering defecator Material is made up of quartz sand layer and active carbon layer, or is made up of quartz sand layer and anthracite coal measure.Described dynamic membrane filtering device Inside it is provided with Dynamic Membrane, Dynamic Membrane is coated with kieselguhr.
A kind of ternary water, polymer water or pressure break water treatment process method, comprise the steps: A, injected by raw sewage In dealkalization device, carry out dealkalize, make the pH value of sewage drop to less than 10；B, by after dealkalize sewage inject electrochemical appliance enter Row electrolysis, before this liquid injects electrochemical appliance, adds confection A by chemicals dosing plant A in this liquid；C, by electricity The sewage discharged in chemical devices injects air-floating apparatus, before this sewage injects air-floating apparatus, by chemicals dosing plant B to this dirt Confection B is added in water；D, by the sewage discharged in air-floating apparatus by one-level Sedimentation tank and two grades of Sedimentation tanks in sewage Floccule settle；E, the sewage after sedimentation is passed sequentially through double filtering defecator and dynamic membrane filtering device was carried out Filter, and then obtain water up to standard, and water up to standard is stored to clean water tank.
The described mixture that confection A is hydrogen peroxide and hydrochloric acid, described confection B is aluminium polychlorid, chlorine Change zinc and the mixture of polyacrylamide.Hydrochloric acid mass concentration is 30%, and chemical feeding quantity is 8.0-10L/m3；The chemical feeding quantity of hydrogen peroxide For 6.0-7L/m3；The mass concentration of zinc chloride is 10%, and chemical feeding quantity is 15-17L/m3；The mass concentration of aluminium polychlorid is 10%, chemical feeding quantity is 8-10L/m3；Polyacrylamide mass concentration is 0.05%, and chemical feeding quantity is 4-5L/m3。
The invention have the benefit that the present invention is by improving existing sewage disposal device and technique, effectively Improve wastewater purifying efficiency so that ternary water, polymer water or frac water just can reach discharge through single treatment and return Note standard.It should be noted that do not contain alkali in polymer water or frac water, ternary water is different, to polymer water or pressure from processing Split and when water processes, only need to remove dealkalize operation.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the structural representation of dealkalization device；
Fig. 3 is the structural representation of electrochemical appliance.
In figure: 1-dealkalization device, 2-electrochemical appliance, 3-air-floating apparatus, 4-one-level Sedimentation tank, bis-grades of Sedimentation tanks of 5-, 6- Double filtering defecator, 7-dynamic membrane filtering device, 8-clean water tank, 9-chemicals dosing plant A, 10-chemicals dosing plant B, 11-dealkalize sewage Water inlet, 12-supersonic generator, 13-negative plate, 14-ionic membrane, 15-framework, 16-positive plate, 17-upper spacer, 18-takes off Alkali sewage outlet, 19-electrode plate groups.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
The present embodiment one ternary water, polymer water or frac water processing equipment include dealkalization device 1, electrochemical appliance 2, Air-floating apparatus 3,4, two grades of Sedimentation tanks 5 of one-level Sedimentation tank, double filtering defecator 6, dynamic membrane filtering device 7 and clean water tank 8, with Upper each device is sequentially connected with according to the pipeline that flows through of sewage, and water inlet end and the water side of electrochemical appliance 2 are respectively arranged with Chemicals dosing plant A9 and chemicals dosing plant B10.The present invention uses dealkalize process, electrochemical treatments, air-flotation process, settlement treatment and filtration Sewage is processed by the techniques such as process, it is ensured that wastewater purifying efficiency.
Processed by dealkalize and the pH value of sewage is reduced to less than 10, the addition of acid in subsequent handling can be reduced, thus Reduce cost of sewage disposal.Polyacrylamide (PAM) is topmost nuisance in ternary water, polymer water or frac water Matter, after polyacrylamide (PAM) combines with oil molecule absorption, can form substantial amounts of Water-In-Oil or oil-in-water micel, thus Affect polyacrylamide (PAM) flocculation to separate out, and use the water technology of routine to be difficult to smash this micel.The present invention adopts Electrochemical appliance 2 utilize electrode electric catalyticing characteristic in water in DC electric field, add electrolysis produce hydroxyl, ozone etc. The comprehensive function of strong oxidizer, makes PAM structure in sewage take off surely, rupture, so that polyacrylamide (PAM) is easier to flocculation Separate out.The present invention uses twice sedimentation and twice filtration, fully eliminates the flocculate in sewage and solid particle, carries further The quality that high water processes.
Described dealkalization device 1 is internally provided with supersonic generator 12, negative plate 13, ionic membrane 14, positive plate 16 and Dealkalization device 1 inner space is separated into two chambers by upper spacer 17, ionic membrane 14 and upper spacer 17.Ionic membrane 14, upper spacer 17 and the chamber that jointly surrounds of the sidewall of dealkalization device 1 be connected in clear water blood circulation.After sewage enters dealkalization device 1, Under the driving of electrode, the hydroxide ion in sewage enters in the clear water of above-mentioned chamber through ionic membrane, and then circulates with clear water And constantly discharge, it is achieved the purpose of dealkalize.
Ionic membrane 14 is fixed on the middle part of dealkalization device 1 by framework 15, and ionic membrane 14 is clamped in centre, frame by framework 15 It is provided with protection network in plane relative with the both sides of ionic membrane 14 on frame 15.Ionic membrane 14 is the thin film that one layer of intensity is poor, It is easily broken under the impact of current, is therefore provided with framework 15 and on framework 15, is provided with protection network to realize ionic membrane The support of 14, prevents it from rupturing.
Existing dealkalization device 1 battery lead plate in use for some time (i.e. described positive plate 16 and negative plate 13) is easily Fouling, after battery lead plate fouling, can affect the action effect of electrode, and then affect dealkalize effect, and therefore, battery lead plate needs periodically to tear open Unload cleaning.And dismantle clearing electrode plate and not only expend a large amount of manpower and materials, and equipment downtime can be caused, impact produces.In order to Solving this problem, the present invention is respectively arranged one group of supersonic generator 12, by ultrasonic at positive plate 16 and negative plate 13 side Wave producer 12 is placed in water and parallel with battery lead plate is disposed adjacent, and utilizes the antiscaling, descaling function of ultrasound wave can effectively prevent electricity Pole plate fouling.Owing to supersonic generator 12 need to be placed in water, for solving the waterproof problem of supersonic generator 12, spy is by ultrasonic Wave producer 12 is encapsulated in waterproof case.Being corroded for preventing above-mentioned waterproof case to be placed in water for a long time, waterproof case uses Titanium board is made, and the fairlead of supersonic generator 12 is also adopted by pure titanium seamless tubes and makes, and uses pure titanium two-weld process It is welded on waterproof case (inert gas-shielded arc welding should be used during welding to connect, to prevent weld high-temperature oxydation).
Described negative plate 13 is arranged on dealkalize wastewater influent side, and described positive plate 16 is arranged on dealkalize sewage water outlet Side, dealkalize sewage inlet 11 is arranged on the bottom of wastewater influent side, and dealkalize sewage outlet 18 is arranged on sewage water outlet The top of side and vertical position are higher than the height of upper spacer 17.Sewage enters from the bottom of dealkalization device 1, in uphill process Gradually complete dealkalize process, then flow through rear flank on upper spacer 17 and flowed out by dealkalize sewage outlet 18, enter subsequent processing.? During this, sewage is flowed into by the bottom of dealkalization device 1, the top of dealkalization device 1 flow out, it is ensured that sewage is at ionic membrane 14 There are enough time of staying side, thus ensure that dealkalize effect.The aqueous slkali of abjection is constantly discharged by clear water blood circulation, makes The both sides of ionic membrane remain higher hydroxyl concentration difference, thus accelerate separating rate hydroxy can be by hydrogen-oxygen Root is separated from the sewage that hydroxyl concentration is lower, and make that hydroxyl separates is more thorough.
Described electrochemical appliance 2 be internally provided with supersonic generator 12 and electrode plate groups 19, supersonic generator 12 have two, are separately positioned on this electrode plate groups 19 both sides, and this electrode plate groups 19 is by parallel group of at least three pairs of positive-negative electrode plates Dress forms, and the spacing of every pair of positive-negative electrode plate is 0.5 centimetre.
The described each battery lead plate in positive plate 16, negative plate 13 and electrode plate groups 19 is made by ruthenium iridium plate.Ruthenium iridium Alloy is the material that a kind of electric conductivity is superpower, and has corrosion resistant feature simultaneously.Using this material to manufacture battery lead plate can Ensure that battery lead plate has good electric property and longer service life, thus avoid frequently keeping in repair the manpower and materials that cause Waste and the impact on production.
Filtrate oil quartz sand layer in described double filtering defecator 6 and active carbon layer composition, or by quartz sand layer Form with anthracite coal measure.It was verified that both the above double filtering compound mode is all well positioned to meet use demand, reach preferable Filter effect.Meanwhile, above each filtrate is conventional industrial materials, and cost is extremely low, thus ensure that the warp of equipment Ji property.
It is provided with Dynamic Membrane in described dynamic membrane filtering device 7, Dynamic Membrane is coated with kieselguhr.By diatom Odontobutis obscura (T. Et S.) And make the another big innovative design that Dynamic Membrane is the present invention on cord, the filter effect of this Dynamic Membrane is the best.Meanwhile, After kieselguhr is attached on cord, washes away through for a long time and just can come off, formally utilize this characteristic, this Dynamic Membrane just can throw Enter to use.In actually used, after kieselguhr once adheres to, Dynamic Membrane can work more than two weeks continuously.
A kind of ternary water, polymer water or pressure break water treatment process method, comprise the steps:
A, raw sewage is injected in dealkalization device 1, carry out dealkalize, make the pH value of sewage drop to less than 10.Existing skill In art, the mode generally using acid adding to neutralize is made a return journey the alkali in scrubbing water, and the acid solution that this processing mode expends is the most, therefore Cost is higher.Dealkalize as the first operation of sewage disposal, can be sloughed the most of alkali in sewage, thus reduce by the present invention The use of later stage acid solution, reduces reagent cost.
B, the sewage after dealkalize is injected electrochemical appliance 2 it is electrolysed, electrolytic process produces the strong oxygen such as hydroxyl, ozone Agent, under the comprehensive function of above-mentioned oxidant and electrode, in sewage, PAM structure takes off surely, ruptures, thus is easier to separate.? Before sewage injects electrochemical appliance 2, in this liquid, add hydrogen peroxide and hydrochloric acid, the effect of hydrogen peroxide by chemicals dosing plant A9 It is to further enhance the oxygenate content in sewage, thus promotes that in sewage, PAM structure is de-surely further, rupture, improve sewage Treatment effect.The effect of hydrochloric acid is to neutralize remaining alkali in sewage, makes sewage tend to neutral.
C, the sewage injection air-floating apparatus 3 will discharged in electrochemical appliance 2 are before this sewage injects air-floating apparatus 3, logical Cross chemicals dosing plant B10 in this sewage, add aluminium polychlorid, zinc chloride and polyacrylamide.Aluminium polychlorid and zinc chloride are equal Using as flocculant, but the two is different: aluminium polychlorid low cost but weak effect, zinc chloride cost is high but effective, By controlling the adding proportion of two kinds of materials, the sewage disposal need of different quality can be met in the case of ensureing lower cost Ask.Realize the maximization of benefit.The polyacrylamide herein added is positive, and positive polyacrylamide is negative in sewage Polyacrylamide absorption combine the further precipitation of the polyacrylamide formed in macromole, beneficially sewage.
D, by the sewage discharged in air-floating apparatus 3 by one-level Sedimentation tank 4 and two grades of Sedimentation tanks 5 to the floccule in sewage Settling, two-stage sedimentation ensure that effect of settling.
E, the sewage after sedimentation is passed sequentially through double filtering defecator 6 and dynamic membrane filtering device 7 filters, and then Obtain water up to standard, and water up to standard is stored to clean water tank 8.
The adding method of above-mentioned each medicament in one's power is: according to the injection rate of the difference regulating agent at any time of water quality, hydrochloric acid Mass concentration is 30%, and chemical feeding quantity is 8.0-10L/m3；The chemical feeding quantity of hydrogen peroxide is 6.0-7L/m3；The mass concentration of zinc chloride is 10%, chemical feeding quantity is 15-17L/m3；The mass concentration of aluminium polychlorid is 10%, and chemical feeding quantity is 8-10L/m3；Polyacrylamide Mass concentration is 0.05%, and chemical feeding quantity is 4-5L/m3。
The present invention, by improving existing sewage disposal device and technique, effectively improves wastewater purifying efficiency, Make ternary water, polymer water or frac water just can reach discharge and reinjection standard through single treatment.It should be noted that Without alkali in polymer water or frac water, different from processing ternary water, only need to go when polymer water or frac water are processed Except dealkalize operation.

Claims (7)

1. a ternary water, polymer water or frac water processing equipment, it is characterised in that: include that dealkalization device (1), electrochemistry fill Put (2), air-floating apparatus (3), one-level Sedimentation tank (4), two grades of Sedimentation tanks (5), double filtering defecator (6), dynamic membrane filtering dresses Putting (7) and clean water tank (8), above each device is sequentially connected with according to the pipeline that flows through of sewage, the water inlet of electrochemical appliance (2) End and water side are respectively arranged with chemicals dosing plant A (9) and chemicals dosing plant B (10)；
Described dealkalization device (1) is internally provided with supersonic generator (12), negative plate (13), ionic membrane (14), positive plate (16) and dealkalization device (1) inner space is separated into two chambers by upper spacer (17), ionic membrane (14) and upper spacer (17), from Sub-film (14) is fixed on the middle part of dealkalization device (1) by framework (15), and ionic membrane (14) is clamped in centre, frame by framework (15) Being provided with protection network in the upper plane relative with the both sides of ionic membrane (14) of frame (15), described supersonic generator (12) has Two groups and be symmetricly set on the both sides of ionic membrane (14), described negative plate (13) is arranged on dealkalize wastewater influent side, described Positive plate (16) be arranged on dealkalize sewage water outlet side, dealkalize sewage inlet (11) is arranged under wastewater influent side Portion, dealkalize sewage outlet (18) is arranged on the top of sewage water outlet side and the vertical position height higher than upper spacer (17)；
Described electrochemical appliance (2) be internally provided with supersonic generator (12) and electrode plate groups (19), ultrasound wave occurs Device (12) has two, is separately positioned on this electrode plate groups (19) both sides, and this electrode plate groups (19) is by least three pairs of positive and negative electrodes Plate assembled parallel forms, and the spacing of every pair of positive-negative electrode plate is 0.5 centimetre.
A kind of ternary water the most according to claim 1, polymer water or frac water processing equipment, it is characterised in that: described Positive plate (16), negative plate (13) and electrode plate groups (19) in each battery lead plate made by ruthenium iridium plate.
A kind of ternary water the most according to claim 2, polymer water or frac water processing equipment, it is characterised in that: described The outside of supersonic generator (12) be provided with waterproof case, waterproof case is made up of Titanium board.
A kind of ternary water the most according to claim 3, polymer water or frac water processing equipment, it is characterised in that: described Double filtering defecator (6) in filtrate be made up of quartz sand layer and active carbon layer, or by quartz sand layer and anthracite coal measure Composition.
A kind of ternary water the most according to claim 4, polymer water or frac water processing equipment, it is characterised in that: described Dynamic membrane filtering device (7) in be provided with Dynamic Membrane, Dynamic Membrane is coated with kieselguhr.
6. a ternary water, polymer water or pressure break water treatment process method, it is characterised in that: comprise the steps: A, by dirt Water stock solution is injected in dealkalization device (1), carries out dealkalize, makes the pH value of sewage drop to less than 10；B, by after dealkalize sewage note Enter electrochemical appliance (2) to be electrolysed, before this liquid injects electrochemical appliance (2), by chemicals dosing plant A (9) to this liquid Internal interpolation confection A；C, sewage injection air-floating apparatus (3) will discharged in electrochemical appliance (2), inject gas at this sewage Before floating device (3), in this sewage, add confection B by chemicals dosing plant B (10)；D, will discharge in air-floating apparatus (3) Sewage by one-level Sedimentation tank (4) and two grades of Sedimentation tanks (5), the floccule in sewage is settled；E, will sedimentation after dirt Water passes sequentially through double filtering defecator (6) and dynamic membrane filtering device (7) filters, and then obtains water up to standard, and will reach Mark water stores to clean water tank (8).
A kind of ternary water the most according to claim 6, polymer water or pressure break water treatment process method, it is characterised in that: The described mixture that confection A is hydrogen peroxide and hydrochloric acid solution, described confection B is polymeric aluminum chlorides solution, chlorine Change zinc solution and the mixture of polyacrylamide solution；Hydrochloric acid mass concentration is 30%, and chemical feeding quantity is 8.0-10L/m3；Hydrogen peroxide Chemical feeding quantity be 6.0-7L/m3；The mass concentration of zinc chloride is 10%, and chemical feeding quantity is 15-17L/m3；The quality of aluminium polychlorid Concentration is 10%, and chemical feeding quantity is 8-10L/m3；Polyacrylamide mass concentration is 0.05%, and chemical feeding quantity is 4-5L/m3。
CN201610569901.1A 2016-07-19 2016-07-19 Ternary water, polymeric water or fracturing water treatment equipment and technological method Pending CN106045143A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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CN107601732A (en) * 2017-09-19 2018-01-19 中国石油天然气集团公司 Ternary composite driving and poly- drive oil-polluted water or fracturing outlet liquid processing equipment and technique
CN107721029A (en) * 2017-11-29 2018-02-23 黑龙江省科学院高技术研究院 The method for treating water of high rigidity fracturing waste liquor
CN108238689A (en) * 2018-01-16 2018-07-03 航天凯天环保科技股份有限公司 A kind of processing method of polymer flooding oily water

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107601732A (en) * 2017-09-19 2018-01-19 中国石油天然气集团公司 Ternary composite driving and poly- drive oil-polluted water or fracturing outlet liquid processing equipment and technique
CN107721029A (en) * 2017-11-29 2018-02-23 黑龙江省科学院高技术研究院 The method for treating water of high rigidity fracturing waste liquor
CN107721029B (en) * 2017-11-29 2020-02-11 黑龙江省科学院高技术研究院 Water treatment method of high-hardness fracturing waste liquid
CN108238689A (en) * 2018-01-16 2018-07-03 航天凯天环保科技股份有限公司 A kind of processing method of polymer flooding oily water
CN108238689B (en) * 2018-01-16 2021-08-13 航天凯天环保科技股份有限公司 Method for treating polymer flooding sewage

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