CN205347034U - Effluent disposal system is synthesized in oil field well -flushing well workover - Google Patents
Effluent disposal system is synthesized in oil field well -flushing well workover Download PDFInfo
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- CN205347034U CN205347034U CN201620056205.6U CN201620056205U CN205347034U CN 205347034 U CN205347034 U CN 205347034U CN 201620056205 U CN201620056205 U CN 201620056205U CN 205347034 U CN205347034 U CN 205347034U
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Abstract
The utility model discloses an effluent disposal system is synthesized in oil field well -flushing well workover, including former pond, flocculating settling pond, catalytic oxidation pool, filtration jar and clean water basin that the pipeline order is connected, piping erection has valve and elevator pump, pipe connection medicine groove is passed through in the flocculating settling pond, and catalytic oxidation pool passes through pipe connection ozone generator and air compressor machine, filters the jar and includes that the jar is strained to sand filtration tank, the active carbon connected by the pipeline order and the jar is strained to the essence. Waste water after this system handles can satisfy and recycles water A class index, and each connection pooling of this system becomes the sled alone, advantage such as have convenience, the easy operation of removal, the device is small, the handling capacity is big, and this system can go out water by continuous operation simultaneously, and the working costs is low, has effectually solved the well -flushing well workover and synthesizes waste water and be difficult to the problem handled, has realized waste water recycle, accords with the requirement in the comprehensive waste water treatment market of current oil field well -flushing well workover.
Description
Technical field
This utility model belongs to technical field of sewage, relates to oil gas field waste water handling reclamation technical field, is specifically related to a kind of oil field flushing well workover comprehensive wastewater treatment system.
Background technology
Underground work is the important step of oilfield prospecting developing, and well-flushing well workover regular maintenance especially, oil gas water well are repaired, the important step of well stimulation.Due to reasons such as technique is more complicated, environmental aspect differences, it is easy to environment, and pollutant kind is many, complicated component.So, the environmental pollution prevention and control problem in well-flushing well workover process is outstanding day by day, it would be highly desirable to solve.
Well-flushing workover treatment waste water mainly has following several: the kill-job salt of discharge, non-fixed phase well control fluid during workover treatment；Workover treatment, uses recirculated water, the effluent part that the water after using becomes oil-polluted water and discharges in the techniques such as sand washing；The well-flushing water discharged after well-flushing.The feature of above-mentioned waste water is: in water, solids content is high, grain diameter is little；Content of organics is high, such as volatile phenol, sulfide etc.；Salinity is high, corrosivity is big, a large amount of outer row is bigger to environmental hazard.
Well-flushing well workover synthetic job waste water is taked the mode of sunning water pool natural drying to process by current oil field at home, so both pollute environment, can not tackle the problem at its root again, simultaneously, existing processing mode treatment effect is poor, it is impossible to meet reinjected water index, and treating capacity is little, processing costly, the problems such as equipment conveying is inconvenient govern again the process of well-flushing well workover comprehensive wastewater.Therefore, in order to effectively solve well-flushing well workover synthetic job waste water, sewage disposal system efficient, convenient, that cost performance is high becomes study hotspot.
Utility model content
In order to overcome that existing well-flushing well workover synthetic job water treatment effect is poor, treating capacity is little, process costly, equipment conveying is inconvenient and water after processing can not meet the problem such as requirement of reinjected water, this utility model provides a kind of oil field flushing well workover comprehensive wastewater treatment system.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 oil field flushing well workover comprehensive wastewater treatment system, including former pond, flocculating sedimentation pond, catalytic oxidation pond, filtering tank and clear water reserviors that pipeline is linked in sequence, Pipe installing has valve and elevator pump；Flocculating sedimentation pond connects drug slot by pipeline, and catalytic oxidation pond connects ozonator and air compressor machine by pipeline, and filtering tank includes the sandfiltration pot, activated carbon filter tank and the fine straining tank that are linked in sequence by pipeline.Waste water is first at removal upper strata, former pond oil slick, and it is carried out pretreatment, makes waste water destroy replacing and float stabilising system of waste water when acid, alkali, reaches the pretreatment purpose of preliminary sedimentation.Waste water flows out former pond and arrives flocculating sedimentation pond through elevator pump, flocculating sedimentation pond introduces medicament and carrier by drug slot, there is a series of physical-chemical reaction in medicament and carrier and operation wastewater, enhance the flocculation binding ability of suspended contaminant in water, enhance flocculating effect, forming highdensity floccule body makes floccule body proportion strengthen, the purpose reaching to separate of automatically sinking.Ozonator produces ozone, air compressor machine passes through pipeline by ozone aeration in catalytic oxidation pond, waste water and ozone is made to be fully contacted, utilize the Strong oxdiative ability of ozone, to dissolved organic matter in waste 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.Waste water is filtered processing by filter tank again, reaches good treatment effect.
Preferably, flocculating sedimentation pond includes reductor and inclined plate sedimentation pond, and lower end, inclined plate sedimentation pond connects sludge-tank by pipeline.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 the alumen ustum that concrete rotating speed produces at flocculating sedimentation unit according to waste water determines.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.
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 the flow of waste water so that pharmaceutical supply in drug slot and the flows match of waste water, and to make medicament disperse in drug slot more uniform for agitating device simultaneously, reaches good reaction effect.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 liquid and ozone so that three adopt waste liquid 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, sandfiltration pot, activated carbon filter tank and fine straining tank are internally installed water-locator, filler and grid；Sandfiltration pot, activated carbon filter tank and the tank bottoms end of fine straining connect sludge-tank, air compressor machine and elevator pump by pipeline.When waste water enters into filter tank, water-locator rotates under current drive so that waste water is 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 the touch opportunity of waste water and filler, reaches good treatment effect；Water in clear water reserviors is promoted to filter tank bottom by elevator pump by filter tank bottom, air compressor machine provide driving force, backwash filter tank, the filler in filter tank is made to be become rarefaction from compaction state, ensureing that waste water fully contacts with filler, improve the filter capacity of filter tank, the clean-up effect making waste water is better.
Preferably, former pond, flocculating sedimentation pond, catalytic oxidation pond, filtering tank and clear water reserviors individually become sled.Each pond individually becomes sled, convenient construction in the wild and migration.
Advantage of the present utility model:
(1) tables of equipment alone becomes sled, and convenient migration, simple to operate, operating cost is relatively low；
(2) catalytic oxidation pond 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；
(3) filtration system adopts the filler of different ratio to be filtered processing, and substantially increases the treatment effect of filtration system；
(4) waste water after processing meets reinjected water A class index, direct reinjection into reservoir, it is achieved waste water reclamation utilizes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model flocculating sedimentation pool structure schematic diagram；
Fig. 3 is this utility model filtering tank structural representation；
Fig. 4 is this utility model drug slot structural representation.
Symbol description in figure: 1, former pond；2, flocculating sedimentation pond；2.1, drug slot；2.1.1, dosing pump；2.1.2, blender；2.2, reductor；2.3, inclined plate sedimentation pond；2.4, water purification agent drug slot；2.5, flocculant drug slot；3, catalytic oxidation pond；3.1, air compressor machine；3.2, ozonator；3.3, aerator；4, filtering tank；4.1, sandfiltration pot；4.2, activated carbon filter tank；4.3, fine straining tank；4.4, water-locator；4.5, filler；4.6, grid；5, clear water reserviors；6, sludge-tank；7, pipeline；7.1, elevator pump；7.2, gate.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described:
Embodiment 1:
As it is shown in figure 1, a kind of oil field flushing well workover comprehensive wastewater treatment system, pipeline 7 the former pond 1 being linked in sequence, flocculating sedimentation pond 2, catalytic oxidation pond 3, filtering tank 4 and clear water reserviors 5, pipeline 7 is provided with valve 7.2 and elevator pump 7.1；Flocculating sedimentation pond 2 connects drug slot 2.1 by pipeline 7, and catalytic oxidation pond 3 connects ozonator 3.2 and air compressor machine 3.1 by pipeline 7, and filtering tank 4 includes the sandfiltration pot 4.1, activated carbon filter tank 4.2 and the fine straining tank 4.3 that are linked in sequence by pipeline 7.
Embodiment 2:
As shown in Figure 2, on the basis of embodiment 1, this utility model is in order to realize flocculating sedimentation, and maximally utilize the volume in flocculating sedimentation pond 2, preferred embodiment also has: flocculating sedimentation pond 2 includes reductor 2.2 and inclined plate sedimentation pond 2.3, lower end, inclined plate sedimentation pond 2.3 connects sludge-tank 6 by pipeline 7, and other parts are identical with embodiment 1.
Embodiment 3:
As shown in Figure 4, on the basis of embodiment 2, this utility model is in order to realize the flows match of pharmaceutical supply in drug slot 2.1 and waste water, make medicament disperse in drug slot 2.1 more uniform simultaneously, reach good reaction effect, preferred embodiment also has: drug slot 2.1 is provided with dosing pump 2.1.1 and blender 2.1.2, and drug slot 2.1 includes water purification agent drug slot 2.4 and flocculant drug slot 2.5, and other parts are identical with embodiment 2.
Embodiment 4:
As shown in Figure 1, on the basis of embodiment 3, this utility model is in order to increase the touch opportunity of waste water and ozone and catalyst, waste water is made to be fully contacted with ozone and catalyst and react, preferred embodiment also has: catalytic oxidation pond 3 is provided with aerator 3.3 and filler 4.5, and other parts are identical with implementing 3.
Embodiment 5:
As shown in Figure 3, on the basis of embodiment 4, this utility model is in order to realize waste water water distribution uniformity on filler, ensure there is gap between filler, increase the touch opportunity of waste water and filler 4.5, realize backwash function simultaneously, reach good treatment effect, it is advantageous to embodiment also have: sandfiltration pot 4.1, activated carbon filter tank 4.2 and fine straining tank 4.3 are internally installed water-locator 4.4, filler 4.5 and grid 4.6；Sandfiltration pot 4.1, activated carbon filter tank 4.2 and fine straining tank 4.3 bottom connect sludge-tank 6, air compressor machine 3.1 and elevator pump 7.1 by pipeline 7, and other parts are identical with embodiment 4.
Embodiment 6:
On the basis of embodiment 5, this utility model is in order to realize convenient transportation in the wild, it is advantageous to embodiment also have: former pond 1, flocculating sedimentation pond 2, catalytic oxidation pond 3, filtering tank 4 and clear water reserviors 5 individually become sled, other parts are identical with embodiment 5.
Oil field flushing well workover comprehensive wastewater is carried out 5 tests through a kind of oil field flushing well workover comprehensive wastewater treatment system 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.Well-flushing well workover comprehensive wastewater reinjection standard: float≤1mg/L, float intermediate value grain≤1 μm, oil content≤5mg/L, average corrosion rate≤0.076mm/, sulfate reducting bacteria≤10/mL, saprophytic bacteria≤n × 102Individual/mL, iron bacteria≤n × 102Individual/mL.
Table 1 well-flushing well workover comprehensive wastewater result
| Con trolling index | Before process | After process |
| Float (mg/L) | 613 | 0.83 |
| Float median particle diameter (μm) | 2.564 | 0.912 |
| Oil content (mg/L) | 552 | 2.0 |
| Average corrosion rate (mm/s) | 1.146 | 0.071 |
| Sulfate reducting bacteria (individual/mL) | 106 | 10 |
| Saprophytic bacteria (individual/mL) | 105 | 10 |
| Iron bacteria (individual/mL) | 105 | 10 |
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 (6)
1. an oil field flushing well workover comprehensive wastewater treatment system, it is characterised in that: former pond, flocculating sedimentation pond, catalytic oxidation pond, filtering tank and the clear water reserviors being linked in sequence by pipeline, Pipe installing has valve and elevator pump；Flocculating sedimentation pond connects drug slot by pipeline, and catalytic oxidation pond connects ozonator and air compressor machine by pipeline, and filtering tank includes the sandfiltration pot, activated carbon filter tank and the fine straining tank that are linked in sequence by pipeline.
2. a kind of oil field flushing well workover comprehensive wastewater treatment system as claimed in claim 1, it is characterised in that: flocculating sedimentation pond includes reductor and inclined plate sedimentation pond, and lower end, inclined plate sedimentation pond connects sludge-tank by pipeline.
3. a kind of oil field flushing well workover comprehensive wastewater treatment system as claimed in claim 2, it is characterised in that: drug slot is provided with dosing pump and blender；Drug slot includes water purification agent drug slot and flocculant drug slot.
4. a kind of oil field flushing well workover comprehensive wastewater treatment system as claimed in claim 3, it is characterised in that: catalytic oxidation pond is provided with aerator and filler.
5. a kind of oil field flushing well workover comprehensive wastewater treatment system as claimed in claim 4, it is characterised in that: sandfiltration pot, activated carbon filter tank and fine straining tank are internally provided with water-locator, filler and grid；Sandfiltration pot, activated carbon filter tank and the tank bottoms end of fine straining connect sludge-tank, air compressor machine and elevator pump by pipeline.
6. a kind of oil field flushing well workover comprehensive wastewater treatment system as claimed in claim 5, it is characterised in that: former pond, flocculating sedimentation pond, catalytic oxidation pond, filtering tank and clear water reserviors individually become sled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620056205.6U CN205347034U (en) | 2016-01-21 | 2016-01-21 | Effluent disposal system is synthesized in oil field well -flushing well workover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620056205.6U CN205347034U (en) | 2016-01-21 | 2016-01-21 | Effluent disposal system is synthesized in oil field well -flushing well workover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205347034U true CN205347034U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620056205.6U Expired - Fee Related CN205347034U (en) | 2016-01-21 | 2016-01-21 | Effluent disposal system is synthesized in oil field well -flushing well workover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205347034U (en) |
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2016
- 2016-01-21 CN CN201620056205.6U patent/CN205347034U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Kai Inventor after: Zhang Shaojun Inventor after: Xiong Xinmin Inventor after: Wang Ningtao Inventor after: Wu Zongyi Inventor after: Yan Jiang Inventor after: Li Yuan Inventor before: Liu Kai Inventor before: Wang Ningtao Inventor before: Wu Zongyi Inventor before: Yan Jiang Inventor before: Li Yuan |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20180121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |