CN205473161U - It adopts oily waste water treatment device to integrate intelligent oil field - Google Patents
It adopts oily waste water treatment device to integrate intelligent oil field Download PDFInfo
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- CN205473161U CN205473161U CN201521049895.4U CN201521049895U CN205473161U CN 205473161 U CN205473161 U CN 205473161U CN 201521049895 U CN201521049895 U CN 201521049895U CN 205473161 U CN205473161 U CN 205473161U
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Abstract
The utility model belongs to the oily waste water treatment field is adopted in the oil field, especially relates to an it adopts oily waste water treatment device to integrate intelligent oil field. The utility model discloses sewage treatment plant's separation is realized integrating by application fuzzy control algorithm, filtration is carried out, the scale removal, the inhibition, the function of disinfecting, it includes the water supply unit, the air feed unit, the separating element, filter unit, the scale removal unit that disinfects, the on -line monitoring unit, intelligent control unit, the device not only has transportation simple to operate's advantage, and the operation in -process need not to add the medicine, especially, adopt the intelligent control mode to ensure that the treatment effect is stable, chemical agent's investment had both been saved, the pollution to environment and water has been avoided, can satisfy nimble processing requirement again, the device has the advantages of high automation, it a practicality, the treatment process of pure physics mode.
Description
Technical field
This utility model belongs to oilfield produced water process field, particularly relates to a kind of integrated intelligence oilfield produced water processing means.
Background technology
The a lot of oil field of China comes into the intermediary and later stages of exploitation, and in Produced Liquid, water content is 60%～80%, even as high as 90% had.For this effluent part, after on oil field, most employing processes, re-injection enters the mode that stratum recycles, and now will strictly control the many indexs such as the oil-containing in water, float, prevents it from stratum is produced injury.
At present, for oil-containing and the process of the oil extraction waste water of float on oil field, frequently with the mode of the chemistry dosings such as dosing air supporting, coagulant precipitation, antisludging agent, antibacterial, this process technique has a lot of deficiency, and one is that equipment volume is big, floor space is big；Two is that dosing adds a lot of processing cost, increases the investment on oil field；Three is that dosing exists secondary pollution, and after easily causing process, water body and stratum water quality are incompatible initiation formation blockage, and the later high sludge content of dosing increases the recycling difficulty of follow-up sump oil.The most to a certain extent following injected water system is produced impact.
It addition, integrate the functions such as separation, filtration, scale removal, sterilization in view of sewage disposal, it is a multivariate, coupling complication system strong, nonlinear.At present, in industry, producer uses opened loop control or Non-follow control to the control of this kind equipment, it is difficult to effluent quality steady in a long-term.Therefore, how effectively according to change of water quality, plan as a whole to control operational factor, take into account the stability in sewage disposal process and efficiency is one of the Main way of current research.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of integrated intelligence oilfield produced water processing means, in order to solve in prior art equipment volume greatly, costly, have that secondary pollution, treatment effeciency be low, the defect of poor stability.
This utility model be the technical scheme is that by the above-mentioned technical problem of solution
Thering is provided a kind of integrated intelligence oilfield produced water processing means, it is characterized in that and includes water supplying unit, air supply unit, separative element, filter element, scale removal sterili-sation unit, on-line monitoring unit, intelligent control unit；
Water supplying unit specifically includes that elevator pump；
Air supply unit specifically includes that air compressor machine；
Separative element specifically includes that greasy filth water separation tank；
Filter element specifically includes that dual density walnut shell filter tank, modified fiber ball filtering tank；
Scale removal sterili-sation unit specifically includes that electromagnetic cleaner, ultrasonic ultraviolet sterilizing unit；
On-line monitoring unit specifically includes that concentration of suspension meter, oil content detector, effusion meter；
Intelligent control unit specifically includes that PLC automatic control cabinet and host computer；
Electromagnetic cleaner, elevator pump, greasy filth water separation tank, dual density walnut shell filter tank, modified fiber ball filtering tank, ultrasonic ultraviolet sterilizing unit are sequentially connected with, and air compressor machine is connected with greasy filth water separation tank, dual density walnut shell filter tank respectively.
After effusion meter, concentration of suspension meter, oil content detector are installed on described oil recovery treatment device outlet successively.
Greasy filth water separation tank is vertical cylindrical tank, is mainly made up of eddy flow auxiliary device, anti-whirlpool cartridge and distribution device.
Dual density walnut shell filter tank is vertical type cylinder structure, and tank deck center, equipped with agitating device, arranges filter plate and lower filter plate, is placed in the middle part of filtrate equipped with walnut shell filtering material, stirrer paddle in the middle of two filter plates in tank.
Modified fiber ball filtering tank is vertical type cylinder structure, and abhiseca center is equipped with agitating device, and tank internal upper part arranges the movable filter plate connecting hydraulic stem, and bottom arranges lower filter plate, is placed in the middle part of filtrate equipped with modified fibrous globule filtering material, stirrer paddle in the middle of two filter plates.
Water supplying unit also includes backwashing pump, and backwashing pump is connected with dual density walnut shell filter tank, modified fiber ball filtering tank respectively.
Based on integrated intelligence oilfield produced water processing method of the present utility model, comprise the following steps:
1) the boosted pump of oilfield produced waste water enters electromagnetic cleaner, and in the liquid after making electromagnetic cleaner process, incrustation ion is polarized；
2) liquid that goes out of electromagnetic cleaner enters greasy filth water separation tank, pending liquid enters tank interior with tangential direction, form inside vortex, compressed air enters knockout drum by distribution device, part oil rises to top receiving port by air supporting vortex, silt sinks to tank base sediment ejection opening through outer vortex, and the liquid after separation rises to abhiseca liquid outlet in eddy flow supplemental cartridge；
3) liquid that goes out after greasy filth water separation device enters dual density walnut shell filter tank, the coarse of the closely knit filter bed formed through walnut shell filtering material, retain, adsorption, oil and most of suspended particulate substance are retained from water；
4) water outlet of walnut shell filter tank enters compression type modified fiber ball filtering tank, through the crown_interception of the preferable deep bed filtering layer that modified fiber ball is piled up, oil emulsion remaining in water, tiny suspended particulate substance is separated；
5) water outlet of compression type modified fiber ball filtering tank enters ultrasonic ultraviolet sterilizer, sterilizes to processing water, makes sulfate reducting bacteria in water, saprophytic bacteria, the quantity of iron bacteria microorganism reaches oil field reinjection water and control standard；
6) on-line monitoring unit goes out the operational factor of liquid and is monitored ultrasonic ultraviolet sterilizer；
7) intelligent control unit reads the operational factor that PLC automatic control cabinet gathers, judge that running status is the most normal, Non-follow control is switched to if abnormal, and send alarm signal, if normal, use FUZZY ALGORITHMS FOR CONTROL to carry out computing sampled value and setting value, draw operational factor and be converted into frequency converter frequency value and regulation valve valve opening value and perform；
8) above-mentioned 6 are repeated) to 7), constantly revise effluent quality and the result for the treatment of capacity so that it is meet target setting.
Step 7) in FUZZY ALGORITHMS FOR CONTROL mainly comprise the steps that
7.1) calculate on-line monitoring unit and gather data and deviation e of setting value and deviation variation rate Δ e；
7.2) the basic domain of input variable deviation e and deviation variation rate Δ e is [-emax, emax], [-Δ emax, Δ emax], and the basic domain of output variable u is [-umax, umax], and to e, the domain discretization of Δ e, u, i.e. e, Δ e, u={-100% ,-80% ,-60%,-40% ,-20%, 0,20%, 40%, 60%, 80%, 100%}, then quantizing factor Ke, K Δ e and scale factor K u can be determined by following formula:
Ke=1/emax
K Δ e=1/ Δ emax
Ku=umax；
7.3) error e and error rate Δ e are converted to the input E and Δ E of fuzzy controller by following formula:
E=<eKe>
Δ E=<Δ e K Δ e>
In formula,<>represents rounding operation.
The output U of fuzzy controller can be converted to output valve u of reality by following formula, i.e.
U=KuU；
7.4) the control rule format of fuzzy controller is IF E is ... and Δ E is ... Then U is ..., and set up regular matrix according to this rule；
7.5) in the case of being calculated deviation e and deviation variation rate Δ e, controlled quentity controlled variable U can be exported by tabling look-up, then take advantage of output-scale-factor, just available actual controlled quentity controlled variable u.
Integrated intelligence oilfield produced water processing method also includes dual density walnut shell filter filtrate cleaning and regeneration, specifically comprises the following steps that
1), when arriving the backwash cycle, stop filtering, filtrate is carried out air-water mixture；
2) open agitating device, increased the mutual collision of filtrate while filtrate is carried out air-water flushing by stirring, make pollutant fully peel off；
3) stopping stirring, stop air-water flushing subsequently, stand, backwash completes.
Integrated intelligence oilfield produced water processing method also includes compression type modified fiber ball filter filtrate cleaning and regeneration, specifically comprises the following steps that
1) arriving backwash week after date, stop filtering, compression plate rises, and backwashing water is entered by backwash back with water inlet line, and filtrate is carried out water flushing；
2) open agitating device, enable pollutant fully to peel off,
3) stopping stirring and washing, stand, compression plate declines, and backwash completes.
The beneficial effects of the utility model are:
Thering is provided a kind of uses Based Intelligent Control physical method to realize separation, filtration, scale removal, inhibition, the integrated sewage-treatment plant of sterilizing function, the advantage that this device not only has easy transportation and installation, and without dosing in running, guarantee that treatment effect is stable especially with intelligent control method, both the investment of chemical agent had been saved, avoid the pollution to environment and water body, disclosure satisfy that again and process requirement flexibly, its automaticity is high, is the process technique of a kind of practicality, pure physics mode.
Accompanying drawing explanation
Fig. 1 is top view of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is the Based Intelligent Control process schematic of this utility model intelligent control unit；
null1.PLC automatic control cabinet in figure，2. air compressor machine，3. air accumulator，4. greasy filth water separation tank，5. walnut shell filter tank，6. modified fiber ball filtering tank，7. Hydraulic Station，8. elevator pump，The most standby elevator pump，10. backwashing pump，11. electromagnetic cleaners，12. elevator pump inlets，13. elevator pump liquid outlets，14. greasy filth water separation tank feed liquor pipe valves，15. air accumulators are given vent to anger pipe valve，16. greasy filth water separation tank air inlet pipe valves，The drain pipe valve of 17. greasy filth water separation tanks，18. stirring motors，The 19. modified fiber ball filtering tank dual-purpose pipe valves of feed liquor blowdown，20. walnut shell filter tanks go out liquid/backwash water inlet pipe valve，21. modified fiber ball filtering tanks go out liquid/backwash water inlet pipe valve，22. guardrails，The 23. walnut shell filter tank dual-purpose pipe valves of feed liquor blowdown，24. air compressor machine outlet line，25. greasy filth water separation tanks receive oil blow off valve，The oil dual-purpose pipe valve of aerofluxus received by 26. walnut shell filter tanks，27. modified fiber ball filtering tanks receive the oil dual-purpose pipe valve of aerofluxus，28. dirt-discherging pipe manifolds，29. backwashing pump water inlet pipe valves.
Detailed description of the invention
Below in conjunction with embodiment, content of the present utility model is described in detail.
In fig. 1 and 2, PLC automatic control cabinet 1 is connected with power supply by cable, and leading-out terminal is connected with elevator pump 8, electromagnetic cleaner 11, ultrasonic ultraviolet sterilizing unit switch board, backwashing pump 10, air compressor machine 2, electrode assembly, stirring motor 18, Hydraulic Station 7 by cable；Electromagnetic cleaner 11 is connected by pipe valve with elevator pump inlet 12, and elevator pump liquid outlet 13 is connected with greasy filth water separation tank 4 feed liquor pipe valve 14 by pipe valve；Greasy filth water separation tank intake valve 16 is connected by pipeline pipe valve 15 of giving vent to anger with air accumulator, the receipts dual-purpose pipe valve of oil aerofluxus 25 of greasy filth water separation tank is connected with dirt-discherging pipe manifold 28, and the drain pipe valve 17 of greasy filth water separation tank is connected with the dual-purpose mouth of pipe of feed liquor blowdown 23 of walnut shell filter tank；The dual-purpose pipe valve of feed liquor blowdown 23 of walnut shell filter tank is connected with dirt-discherging pipe manifold, the receipts dual-purpose pipe valve of oil aerofluxus 26 of walnut shell filter tank is connected with dirt-discherging pipe manifold 28, liquid/backwash water inlet the pipe valve 20 that goes out of walnut shell filter tank is connected with the outlet of backwashing pump 10, the backwash water inlet pipe valve 20 of walnut shell filter tank is also connected with the escape pipe 15 of air accumulator, and the drain pipe valve 20 of walnut shell filter tank is connected with the dual-purpose pipe valve of feed liquor blowdown 19 of modified fiber ball filtering tank；The receipts dual-purpose pipe valve of oil blowdown 27 of modified fiber ball filtering tank is connected with dirt-discherging pipe manifold, and the liquid/backwash water inlet pipe valve 21 that goes out of modified fiber ball filter is connected with the outlet of backwashing pump 10；The drain pipe valve 21 of modified fiber ball filter is connected with ultrasonic ultraviolet sterilizing unit inlet, and ultrasonic ultraviolet sterilizing unit liquid outlet converges with drain pipe and is connected；Air compressor machine pipe valve 2 of giving vent to anger is connected with air accumulator 3；Backwashing pump inlet pipeline 29 is connected with purifying water store tank (not shown).
The method of operation of above-mentioned integrated intelligent Oil-field water treatment device: the boosted pump of oilfield produced waste water enters electromagnetic cleaner, in liquid after electromagnetic cleaner process, incrustation ion is polarized, can not be combined with each other generation dirt body, thus prevents fouling in pipeline and tank body；The liquid that goes out of electromagnetic cleaner enters greasy filth water separation tank, pending liquid enters tank interior with tangential direction, form inside vortex, compressed air enters knockout drum by distribution device, part oil rises to top receiving port by air supporting vortex, float sinks to tank base sediment ejection opening through outer vortex, and liquid rises to abhiseca liquid outlet in eddy flow supplemental cartridge；The liquid that goes out after greasy filth water separation device enters dual density walnut shell filter tank, the coarse of the closely knit filter bed formed through walnut shell filtering material, retain, the effect such as absorption, oil and most of suspended particulate substance are retained from water；The water outlet of walnut shell filter tank enters back into compression type modified fiber ball filtering tank, again passes by the crown_interception of the preferable deep bed filtering layer that modified fiber ball is piled up, oil emulsion remaining in water, tiny suspended particulate substance is separated；By front tertiary treatment oil and suspension content are well controlled up to standard after, fourth stage ultrasonic ultraviolet sterilizer is utilized effectively to sterilize to processing water, make sulfate reducting bacteria in water, saprophytic bacteria, the quantity of the microorganism such as iron bacteria reaches oil field reinjection water and controls standard, thus effectively inhibit corrosion and the fouling of reinjected water equipment installation, dramatically increase re-injection efficiency.
Dual density walnut shell filter filtrate cleaning and regeneration mode: when arriving the backwash cycle, stop filtering, the outlet line of air accumulator is connected with the backwash back with water inlet line of filter, by certain air water ratio, filtrate is carried out air-water mixture, agitating device is opened after rinsing certain time, increased the mutual collision of filtrate by stirring while filtrate is carried out air-water flushing, it is that pollutant are fully peeled off, stirring is stopped after arriving the stirring setting time, stop air-water flushing subsequently, stand, it is switched to filtration condition, backwash completes, backwash blowdown is discharged from the dual-purpose mouth of pipe of feed liquor blowdown, enter in cesspool.
Compression type modified fiber ball filter filtrate cleaning and regeneration mode: arrive backwash week after date, stops filtering, and compression plate rises, backwashing water is entered by backwash back with water inlet line, with certain intensity, filtrate is carried out water flushing, open agitating device according to the time set, enable pollutant fully peel off equally, stop stirring and washing, standing, compression plate declines, and is switched to filtration condition, backwash completes backwash blowdown and discharges from the dual-purpose mouth of pipe of feed liquor blowdown, enters in cesspool.
The Based Intelligent Control process of above-mentioned integrated Oil-field water treatment device is as it is shown on figure 3, this Based Intelligent Control process is as follows: the operational factor that system is obtained by data acquisition, carries out work condition judging via running state recognition module；It is determined as meeting alert during misoperation parameter, and switches to Non-follow control；If during normal operational parameters, can respectively carry out computing with the water quality data value of feedback acquired in data acquisition and data on flows value of feedback by water quality fuzzy control model and treating capacity fuzzy control model according to the water standard being previously set and treating capacity requirement；Performing thus constantly revise effluent quality and the result for the treatment of capacity through control action so that it is meet target setting.
The parameter of the operational effect of above-mentioned integrated intelligence oil field method for treating water and device specifically includes that water outlet oil content, goes out water suspension content, sterilizing rate, water treating capacity, treatment effeciency etc..Above parameter application fuzzy algorithmic approach controls performance element action, and control object specifically includes that converter, air volume regulating valve, sewage discharging regulation valve, switching control pilot etc..
Claims (5)
1. an integrated intelligence oilfield produced water processing means, it is characterised in that: include water supplying unit,
Air supply unit, separative element, filter element, scale removal sterili-sation unit, on-line monitoring unit, intelligent control unit；
Water supplying unit specifically includes that elevator pump；
Air supply unit specifically includes that air compressor machine；
Separative element specifically includes that greasy filth water separation tank；
Filter element specifically includes that dual density walnut shell filter tank, modified fiber ball filtering tank；
Scale removal sterili-sation unit specifically includes that electromagnetic cleaner, ultrasonic ultraviolet sterilizing unit；
On-line monitoring unit specifically includes that concentration of suspension meter, oil content detector, effusion meter；
Intelligent control unit specifically includes that PLC automatic control cabinet and host computer；
Electromagnetic cleaner, elevator pump, greasy filth water separation tank, dual density walnut shell filter tank, modified fiber ball mistake
Filter tank and ultrasonic ultraviolet sterilizing unit are sequentially connected with, air compressor machine respectively with greasy filth water separation tank, dual density core
Peach shell filtering tank connects；
Effusion meter, concentration of suspension meter, oil content detector are installed on described oil recovery treatment device successively and go out
Behind the mouth of a river.
A kind of integrated intelligence oilfield produced water processing means the most according to claim 1, its feature
Be: described greasy filth water separation tank is vertical cylindrical tank, mainly by eddy flow auxiliary device, anti-whirlpool cartridge with
And distribution device composition.
A kind of integrated intelligence oilfield produced water processing means the most according to claim 1, its feature
It is: described dual density walnut shell filter tank is vertical type cylinder structure, and tank deck center is equipped with agitating device, in tank
Filter plate and lower filter plate are set, are placed in the middle part of filtrate equipped with walnut shell filtering material, stirrer paddle in the middle of two filter plates.
A kind of integrated intelligence oilfield produced water processing means the most according to claim 1, its feature
Being: described modified fiber ball filtering tank is vertical type cylinder structure, abhiseca center is equipped with agitating device, in tank on
Portion arranges the movable filter plate connecting hydraulic stem, and bottom arranges lower filter plate, equipped with modified fiber ball in the middle of two filter plates
Filtrate, stirrer paddle is placed in the middle part of filtrate.
A kind of integrated intelligence oilfield produced water processing means the most according to claim 1, its feature
Be: described water supplying unit also includes backwashing pump, backwashing pump respectively with dual density walnut shell filter tank and changing
Property fiber ball filtering tank connect.
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| CN201521049895.4U CN205473161U (en) | 2015-12-15 | 2015-12-15 | It adopts oily waste water treatment device to integrate intelligent oil field |
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| CN201521049895.4U CN205473161U (en) | 2015-12-15 | 2015-12-15 | It adopts oily waste water treatment device to integrate intelligent oil field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417832A (en) * | 2015-12-15 | 2016-03-23 | 西安思坦环境科技有限公司 | Integrated intelligent oil production wastewater treatment device and method for oil fields |
| CN110510798A (en) * | 2019-08-29 | 2019-11-29 | 兰州正丰石油化工技术装备有限责任公司 | A method of with microbubble advanced treating ternary composite flooding water extraction |
-
2015
- 2015-12-15 CN CN201521049895.4U patent/CN205473161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417832A (en) * | 2015-12-15 | 2016-03-23 | 西安思坦环境科技有限公司 | Integrated intelligent oil production wastewater treatment device and method for oil fields |
| CN110510798A (en) * | 2019-08-29 | 2019-11-29 | 兰州正丰石油化工技术装备有限责任公司 | A method of with microbubble advanced treating ternary composite flooding water extraction |
| CN110510798B (en) * | 2019-08-29 | 2021-08-24 | 兰州正丰石油化工技术装备有限责任公司 | Method for deeply treating ASP flooding produced water by using microbubbles |
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