CN205347057U - Oil field tertiary oil recovery effluent disposal system - Google Patents
Oil field tertiary oil recovery effluent disposal system Download PDFInfo
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- CN205347057U CN205347057U CN201620056236.1U CN201620056236U CN205347057U CN 205347057 U CN205347057 U CN 205347057U CN 201620056236 U CN201620056236 U CN 201620056236U CN 205347057 U CN205347057 U CN 205347057U
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Abstract
The utility model discloses an oil field tertiary oil recovery effluent disposal system, include the former pond, middle pond, filter unit and the clean water tank that are connected by the pipeline order, piping erection has valve and elevator pump, install electricity flocculation unit between former pond and the middle pond, connect flocculating settling unit and catalytic oxidation unit by the pipeline order between middle pond and the filter unit, the inside polar plate that is provided with of electricity flocculation unit, flocculating settling unit upper end is provided with speed reducer and swash plate settling basin through pipe connection medicine groove, flocculating settling unit inside, and the pipe connection sludge impoundment is passed through to flocculating settling unit bottom, the catalytic oxidation unit passes through pipe connection ozone generator and air compressor machine, filter unit includes the jar of straining by the connection of pipeline order. This system is small, the handling capacity is big, the treatment effeciency is high, and the transportation is convenient, and the water after the processing can directly inject the stratum into, realizes that three adopt waste water recycle, accords with the demand of adopting waste water treatment market in current oil field no. 3.
Description
Technical field
This utility model belongs to technical field of sewage, is specifically related to a kind of tertiary oil production in oil field Waste Water Treatment.
Background technology
Along with the development of oilfield exploitation technology, the increasing of oil exploitation dynamics, oil reserve reduces, and popularizes based on the oil recovery technique of polymer flooding, ternary composite driving in major part oil field, and oil field enters the tertiary oil recovery phase.Meanwhile, the Novel sewage produced along with tertiary oil recovery technology popularization, more thorny on processing.For state-of-the art, the key technology being mainly tertiary oil recovery based on the chemical flooding of ternary composite driving, foam flooding, polymer flooding etc..Containing materials such as gas, polymer, alkali compounds, various inorganic salts, crude oil, surfactant and ammonia nitrogen classes in tertiary oil recovery sewage, complicated constituent is greatly improved again three intractabilities adopting waste water.
Compared with conventional water drive sewage, tertiary oil recovery wastewater has the feature that (1) viscosity is high, molecular weight is big, and the existence of residual polymer makes sewage viscosity raise, and substantial amounts of high molecular polymer relative molecular weight is bigger simultaneously, it is difficult to degraded；(2) emulsifying degree is high, and residual polymer can form high resiliency, high-strength composite film with surfactant in water at oil-water interfaces, and sewage emulsifying degree is higher than general oil extraction-generated waste water standard；(3) in sewage, oil droplet size 90% is both less than 10 μm, and degree of scatter height causes that oily water separation technique intractability strengthens.
Current tertiary oil recovery wastewater processes technique, main employing " delivering medicament air supporting sewage water filtration " or " delivering medicament precipitation sewage water filtration ", and two grades settle the mode combined with cascade filtration and act on oil recovery treatment program.The problems such as this method processes not thorough, and depolymerization is inconspicuous, and the water quality after process is difficult to meet reinjected water index request, and meanwhile, existing method treating capacity is little, processes costly, and equipment conveying is inconvenient govern again three process adopting waste water.Therefore, along with three adopt deepening continuously of wastewater treatment research, high three the adopting Waste Water Treatment and become study hotspot of efficient, convenient, cost performance.
Utility model content
In order to overcome existing tertiary oil production in oil field wastewater treatment not thoroughly, treating capacity is little, process costly, depolymerization is inconspicuous, process after water quality be difficult to meet reinjected water index request and the problem such as equipment conveying is inconvenient, this utility model provides a kind of tertiary oil production in oil field Waste Water Treatment.This system adopts skid structure, and skid refers on the chassis that one group of equipment is fixed on an angle steel or I-steel is made, and mobile, in place can use crowbar.
This utility model solves its technical problem and be the technical scheme is that
A kind of tertiary oil production in oil field Waste Water Treatment, including the former pond, intermediate pool, filter element and the clean water tank that are linked in sequence by pipeline, Pipe installing has valve and elevator pump；Being provided with electricity flocculation unit between former pond and intermediate pool, be linked in sequence between intermediate pool and filter element flocculating sedimentation unit and catalytic oxidation unit by pipeline；Electricity flocculation unit is internally provided with pole plate；Flocculating sedimentation unit upper end connects drug slot by pipeline, and flocculating sedimentation unit is internally provided with reductor and inclined plate sedimentation pond, and flocculating sedimentation unit bottom connects sludge-tank by pipeline；Catalytic oxidation unit connects ozonator and air compressor machine by pipeline；Filter element includes the filter tank being linked in sequence by pipeline；Electricity flocculation unit, flocculating sedimentation unit, catalytic oxidation unit individually become sled, convenient operation in the wild and transport with filter element.Three adopt waste water first at removal upper strata, former pond oil slick, and it is carried out pretreatment, make waste water destroy replacing and float stabilising system of waste water when acid, alkali, reach the pretreatment purpose of preliminary sedimentation.Three adopt waste water flows out former pond through elevator pump arrival electricity flocculation unit, in electricity flocculation unit, ferrous metal is anode, under galvanic effect, anode is dissoluted, produce iron ion, through a series of hydrolysis, the oxidizing process of polymerization and ferrous iron, develop into various hydroxo complex, multinuclear hydroxo complex is so that hydroxide, make the colloidal state impurity in waste water, suspended impurity coagulative precipitation and separate, simultaneously, the swimming in the electric field of charged contaminant particle, its Partial charge is neutralized by electrode and promotes its de-steady coagulation, and due to the reduction of the Oxidation of anode and negative electrode, multiple pollutant in water can be removed.Flocculating sedimentation unit adds medicament by pipeline, under the effect of medicament, adopt waste water with three a series of physical-chemical reaction occurs, and artificial introducing carrier, enhance the flocculation binding ability of suspended contaminant in water, enhance flocculating effect, forming highdensity flco makes floccule body proportion strengthen, and floccule body automatic sedimentation flows into sludge-tank through piping.Reductor is provided with three altogether, and three reductors are from left to right arranged in flocculating sedimentation unit, and rotating speed is sequentially reduced, and concrete rotating speed adopts, according to three, the alumen ustum decision that waste water produces at flocculating sedimentation unit.Alumen ustum refers to that water purification agent hydrolysis is later together with the impurity absorption in waste water, the floccule of formation.If the alumen ustum produced is less, by suitable stirring, floccule can cohere mutually agglomerating.Mixing speed can not be excessive, otherwise can cause that alumen ustum disperses.So arranging the reductor that rotating speed becomes gradient to reduce, floccule is made to contact with each other agglomerating.Inclined plate sedimentation pond arranges the swash plate that polylith is parallel, current enter from inclined plate sedimentation pond low side, flow out from upper end, inclined plate sedimentation pond, make use of lamina flow principle, improve the disposal ability of Sedimentation tank, and shorten the distance of particles settling, shorten the sedimentation time, also add the settling area of Sedimentation tank, improve treatment effeciency.Ozonator produces ozone, air compressor machine passes through pipeline by ozone aeration in catalytic oxidation unit, make three to adopt waste water to be fully contacted with ozone, utilize the Strong oxdiative ability of ozone, to dissolved organic matter in water, halide predecessor, and produce the oxidation removal of smell substance (in water earthy-musty odorants, 2-MIB etc.), the deep purifying that the disinfection etc. of microorganism is carried out processes.Filter tank is adopted waste water and is again filtered processing three, reaches good treatment effect.
Preferably, drug slot is provided with dosing pump and blender, and drug slot includes water purification agent drug slot and flocculant drug slot.Dosing pump adjusts the power of dosing pump according to three flows adopting waste water so that the pharmaceutical supply and three in drug slot adopts the flows match of waste water, and agitating device makes medicament disperse more uniformly, to reach good reaction effect in drug slot simultaneously.Drug slot is that flocculating sedimentation unit introduces carrier, enhances the flocculation binding ability of suspended contaminant in water, enhances flocculating effect.
Preferably, catalytic oxidation unit is internally provided with aerator and filler.Aerator exposes ozone to catalytic oxidation unit, increases three touch opportunities adopting waste water and ozone so that three adopt waste water and ozone is fully contacted and reacts；It is filled with the active carbon filler of catalyst modification inside catalytic oxidation unit, it is possible to particle and Organic substance in effective absorption water, substantially increases ozone oxidation effect, reach good treatment effect.
Preferably, filter tank is internally installed water-locator, filler and grid；Filter tank bottom connects sludge-tank, elevator pump and air compressor machine by pipeline；Filter tank includes sandfiltration pot, activated carbon filter tank and fine straining tank.When three adopt waste water enter into filter tank time, water-locator current drive under rotate so that three adopt waste water water distribution uniformity on filler；Filler includes sandstone, activated carbon and PP cotton filter element, and filler is positioned in grid, it is ensured that have gap between filler, increases three touch opportunities adopting waste water and filler, reaches good treatment effect；Water in clean water tank is promoted to filter tank bottom by elevator pump by filter tank bottom, driving force is provided by air compressor machine, backwash filter tank, the filler in filter tank is made to be become rarefaction from compaction state, ensure that operation wastewater fully contacts with filler, improving the filter capacity of filter tank, the clean-up effect making operation wastewater is better.
Advantage of the present utility model:
(1) each unit individually becomes sled, and convenient migration, simple to operate, operating cost is low；
(2) three to adopt waste water shorter in the time of system, and treating capacity is big, and treatment effeciency is higher；
(3) electricity flocculation unit can effectively realize macromole chain rupture, broken glue, and remaining depolymerization effect is obvious, reduces water viscosity；Meanwhile, battery lead plate ionization produces a large amount of Fe2+, create favorable conditions for follow-up flocculation sediment, saved the dosage of coagulant, reduce medicament use cost；Again, a large amount of micro-bubbles that cell reaction produces can effectively oil removing；
(4) catalytic oxidation unit adopts ozonation aerated process, further residual polymer in water is degraded, and plays decolouring, sterilization, reduces the effects such as water viscosity；Meanwhile, can effectively adsorb particle and Organic substance in water with the active carbon filler of catalyst modification, substantially increase ozone oxidation effect；
(5) filter tank adopts the filler of different ratio to be filtered processing, and substantially increases the treatment effect of filtration system；
(6) waste water after processing can direct reinjection into reservoir, it is achieved three adopt waste water reclamation utilization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model flocculating sedimentation unit；
Fig. 3 is the structural representation of this utility model filter tank；
Fig. 4 is the structural representation of this utility model drug slot.
Symbol description in figure: 1, former pond；2, electricity flocculation unit；2.1, pole plate；2.2, DC source；3, intermediate pool；4, flocculating sedimentation unit；4.1, reductor；4.2, inclined plate sedimentation pond；4.3, drug slot；4.3.1, water purification agent drug slot；4.3.2, flocculant drug slot；4.3.3, dosing pump；4.3.4, blender；5, catalytic oxidation unit；5.1, air compressor machine；5.2, ozonator；5.3, aerator；6, filter tank；6.1, sandfiltration pot；6.1.1, water-locator；6.1.2, filler；6.1.3, grid；6.2, activated carbon filter tank；6.3, fine straining tank；7, clean water tank；8, sludge-tank；9, pipeline；9.1, valve；9.2, elevator pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of tertiary oil production in oil field Waste Water Treatment, including the former pond 1 being linked in sequence by pipeline 9, intermediate pool 3, filter element and clean water tank 7, pipeline 9 is provided with valve 9.1 and elevator pump 9.2；Being provided with electricity flocculation unit 2 between former pond 1 and intermediate pool 3, be linked in sequence between intermediate pool 3 and filter element flocculating sedimentation unit 4 and catalytic oxidation unit 5 by pipeline 9；Electricity flocculation unit 2 is internally provided with pole plate 2.1；Flocculating sedimentation unit 4 upper end connects drug slot 4.3 by pipeline 9, and flocculating sedimentation unit 4 is internally provided with reductor 4.1 and inclined plate sedimentation pond 4.2, and flocculating sedimentation unit 4 bottom connects sludge-tank 8 by pipeline 9；Catalytic oxidation unit 5 connects ozonator 5.2 and air compressor machine 5.1 by pipeline 9；Filter element includes the filter tank 6 being linked in sequence by pipeline 9.
Embodiment 2:
As shown in Figure 4, on the basis of embodiment 1, this utility model adopts the flows match of waste water to realize the pharmaceutical supply and three in drug slot 4.3, make medicament disperse in drug slot 4.3 more uniform simultaneously, reach good reaction effect, preferred embodiment also has, and drug slot 4.3 is provided with dosing pump 4.3.3 and blender 4.3.4, and drug slot 4.3 includes water purification agent drug slot 4.3.1 and flocculant drug slot 4.3.2；Other parts are identical with embodiment 1.
Embodiment 3:
As shown in Figure 1, on the basis of embodiment 2, this utility model is in order to increase three touch opportunities adopting waste water and ozone and catalyst, make three to adopt waste water be fully contacted with ozone and catalyst and react, preferred embodiment also has, catalytic oxidation unit 5 is internally provided with aerator 5.3 and filler 6.1.2, and other parts are identical with embodiment 2.
Embodiment 4:
As shown in Figure 3, on the basis of embodiment 3, this utility model adopts waste water water distribution uniformity on filler 6.1.2 to realize three, ensure there is gap between filler 6.1.2, increase three touch opportunities adopting waste water and filler 6.1.2, realize backwash function simultaneously, reach good treatment effect, preferred embodiment also has, and filter tank 6 is internally installed water-locator 6.1.1, filler 6.1.2 and grid 6.1.3；Filter tank 6 bottom connects sludge-tank 8, elevator pump 9.2 and air compressor machine 5.1 by pipeline 9；Filter tank 6 includes sandfiltration pot 6.1, activated carbon filter tank 6.2 and fine straining tank 6.3；Other parts are identical with embodiment 3.
Adopt waste water by three and carry out 5 tests through a kind of tertiary oil production in oil field Waste Water Treatment that this utility model is told, measure float therein, float median particle diameter, oil content, average corrosion rate, sulfate reducting bacteria, saprophytic bacteria, iron bacteria and dynamic viscosity, and calculate its meansigma methods, result is as shown in table 1, it can be seen that the water after processing meets re-injection requirement.Three adopt waste water reinjection standard: float≤1mg/L, float intermediate value grain≤1 μm, oil content≤5mg/L, average corrosion rate≤0.076mm/, dynamic viscosity (20 DEG C)≤1.0mPa s, sulfate reducting bacteria≤10/mL, saprophytic bacteria≤n × 102Individual/mL, iron bacteria≤n × 102Individual/mL.
Wastewater treatment result adopted by table 1 three
| Con trolling index | Before process | After process |
| Float (mg/L) | 205 | 0.67 |
| Float median particle diameter (μm) | 2.648 | 0.879 |
| Oil content (mg/L) | 171 | 2.78 |
| Average corrosion rate (mm/s) | 1.235 | 0.068 |
| Sulfate reducting bacteria (individual/mL) | 105 | 10 |
| Saprophytic bacteria (individual/mL) | 106 | 10 |
| Iron bacteria (individual/mL) | 104 | 10 |
| Dynamic viscosity (mPa s) | 2.3 | 0.7 |
Last it is noted that obvious, above-described embodiment is only for clearly demonstrating this utility model example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus amplified out or variation are still among protection domain of the present utility model.
Claims (4)
1. a tertiary oil production in oil field Waste Water Treatment, including the former pond, intermediate pool, filter element and the clean water tank that are linked in sequence by pipeline, Pipe installing has valve and elevator pump；It is characterized in that: being provided with electricity flocculation unit between former pond and intermediate pool, be linked in sequence between intermediate pool and filter element flocculating sedimentation unit and catalytic oxidation unit by pipeline；Electricity flocculation unit is internally provided with pole plate；Flocculating sedimentation unit upper end connects drug slot by pipeline, and flocculating sedimentation unit is internally provided with reductor and inclined plate sedimentation pond, and flocculating sedimentation unit bottom connects sludge-tank by pipeline；Catalytic oxidation unit connects ozonator and air compressor machine by pipeline；Filter element includes the filter tank being linked in sequence by pipeline.
2. a kind of tertiary oil production in oil field Waste Water Treatment as claimed in claim 1, it is characterised in that: drug slot is provided with dosing pump and blender, and drug slot includes water purification agent drug slot and flocculant drug slot.
3. a kind of tertiary oil production in oil field Waste Water Treatment as claimed in claim 2, it is characterised in that: catalytic oxidation unit is internally provided with aerator and filler.
4. a kind of tertiary oil production in oil field Waste Water Treatment as claimed in claim 3, it is characterised in that: filter tank is internally installed water-locator, filler and grid；Filter tank bottom connects sludge-tank, elevator pump and air compressor machine by pipeline；Filter tank includes sandfiltration pot, activated carbon filter tank and fine straining tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620056236.1U CN205347057U (en) | 2016-01-21 | 2016-01-21 | Oil field tertiary oil recovery effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620056236.1U CN205347057U (en) | 2016-01-21 | 2016-01-21 | Oil field tertiary oil recovery effluent disposal system |
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| Publication Number | Publication Date |
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| CN205347057U true CN205347057U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620056236.1U Expired - Fee Related CN205347057U (en) | 2016-01-21 | 2016-01-21 | Oil field tertiary oil recovery effluent disposal system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101286A (en) * | 2017-11-23 | 2018-06-01 | 南京悠谷新材料科技有限公司 | Oil-well Reservior Water processing equipment |
| CN108298741A (en) * | 2018-02-06 | 2018-07-20 | 中国石油大学(华东) | A kind of oily wastewater electric flocculation high-level cleaner |
| CN108558145A (en) * | 2018-03-03 | 2018-09-21 | 郭保祥 | A kind of equipment of electromagnetism separation oxygenation Afforestation water |
| CN110054329A (en) * | 2019-04-16 | 2019-07-26 | 陕西睿兴华环境科技有限公司 | A kind of small-sized central treating station or water-injection station produce sewage treatment skid method |
| CN111362473A (en) * | 2020-04-20 | 2020-07-03 | 杭州师范大学钱江学院 | Treatment method of tertiary oil recovery wastewater of oil field |
-
2016
- 2016-01-21 CN CN201620056236.1U patent/CN205347057U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101286A (en) * | 2017-11-23 | 2018-06-01 | 南京悠谷新材料科技有限公司 | Oil-well Reservior Water processing equipment |
| CN108298741A (en) * | 2018-02-06 | 2018-07-20 | 中国石油大学(华东) | A kind of oily wastewater electric flocculation high-level cleaner |
| CN108298741B (en) * | 2018-02-06 | 2020-07-14 | 中国石油大学(华东) | Oily sewage electric flocculation high-efficient purifier |
| CN108558145A (en) * | 2018-03-03 | 2018-09-21 | 郭保祥 | A kind of equipment of electromagnetism separation oxygenation Afforestation water |
| CN110054329A (en) * | 2019-04-16 | 2019-07-26 | 陕西睿兴华环境科技有限公司 | A kind of small-sized central treating station or water-injection station produce sewage treatment skid method |
| CN111362473A (en) * | 2020-04-20 | 2020-07-03 | 杭州师范大学钱江学院 | Treatment method of tertiary oil recovery wastewater of oil field |
| CN111362473B (en) * | 2020-04-20 | 2022-05-27 | 云南华松科技有限公司 | Treatment method of tertiary oil recovery wastewater of oil field |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20180121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |