CN203999235U - A kind of oil-well wastewater zero discharge treatment device - Google Patents
A kind of oil-well wastewater zero discharge treatment device Download PDFInfo
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- CN203999235U CN203999235U CN201420251104.5U CN201420251104U CN203999235U CN 203999235 U CN203999235 U CN 203999235U CN 201420251104 U CN201420251104 U CN 201420251104U CN 203999235 U CN203999235 U CN 203999235U
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- oil
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- discharge treatment
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Abstract
The utility model belongs to technical field of waste water processing, particularly a kind of oil-well wastewater zero discharge treatment device; It comprises the dense water evaporation of the electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the film that set gradually desalination plant; In described electric air floating device, be provided with Ti-Fe-Al compound electrode.The utility model is realized deep purifying reuse and the zero release of oil-well wastewater, reaches waste water 100% with less salt, peace and quiet water reuse, discharge be only powder salt powder, mineral dust, fundamentally solve oil well water and discharge a difficult problem.
Description
Technical field
The utility model belongs to technical field of waste water processing, particularly a kind of oil-well wastewater zero discharge treatment device.
Background technology
Oil is industrial blood, is one of most important strategic energy of country.In order to utilize better petroleum resources, improve production efficiency, a large amount of water resources consumptions has been used in oil production, and water resources is occupied extremely important position equally in national economy, is the indispensable resource of social development and human survival.So oilfield exploitation inevitably can produce earth's surface oil-well wastewater, and if these oil-well wastewaters that arrive earth's surfaces are processed not in time, can be larger to the destruction of ecotope, its subsequent treatment cost will become geometric growth.No matter so each oilfield unit in charge of construction is from economic benefit or from the angle of environment protection, all oil-well wastewater has been proposed to corresponding processing and reuse requirement.
Each oil drilling platform of China is all provided with waste water station, 3000 ~ 30000 cubic metres/day of the water yields, after processing, waste water reinjection rate generally reaches 80% ~ 90%, discharge 300 ~ 3000 cubic metres/day of discharge waters simultaneously, but Three Difficult Issues have all been run into: 1. re-injection water quality does not reach new standard requirement: China's oil-well wastewater is processed " coagulation-air supporting-filtration " the old three cover patterns of mostly continuing to use, in order to protect oil well, improve tar productivity and adapt to the reasons such as oil well is aging, each Petroleum Authority has all improved the water quality standard of re-injection water in recent years, the water quality that above-mentioned old three cover patterns are produced water does not reach new standard.2. discharge water quality does not reach local blowdown new standard: although re-injection rate can reach 90% after wastewater treatment, but always there is 10% waste water to arrange outward, like this, a drilling unit just has 300 ~ 3000T/d waste water to arrange outward, and each place has all been improved pollution exhaust criteria in recent years, comparatively general index is COD < 50ppm, petroleum-type < 3ppm, and this is than high ten times of re-injection water quality requirements.3. the difficulty that reuse water is processed is again increasing, in the water of processing, still contains a large amount of pollutents through old three covers.After 90% reuse, the accumulation repeatedly in infinite loop of salinity, mineralizer, day by day worsens water quality, also more difficult.
Therefore, China's oilfield waste water generally all needs the further degree of depth to process again.
Utility model content
The purpose of this utility model is that for the deficiencies in the prior art, providing a kind of can carry out to oil-well wastewater the treatment unit of deep purifying and industrial reuse.
The purpose of this utility model is to realize like this.
An oil-well wastewater zero discharge treatment device, it comprises the dense water evaporation of the electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the film that set gradually desalination plant; In described electric air floating device, be provided with Ti-Fe-Al compound electrode.
Particularly, a kind of oil-well wastewater zero discharge treatment device comprises the electric air floating device that oil-well wastewater station discharge water is carried out to degree of depth oil removing, electric clarification, sulphide removal, deironing, softening water and germicidal treatment; Comprise that by organic substance decomposing be CO
2and H
2o, make the UV-light ozone reactor of COD < 50ppm; Comprise oil-well wastewater is filtered, made saltiness < 100ppm, the COD < 10ppm of oil-well wastewater and reaches the 90% membrane filtration treatment unit that carries out reuse with low-solids water; Comprise the dense water evaporation of the film desalination plant through evaporation process, discharge dry powder salt by 10% dense water; Described electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant set gradually.
Wherein, in described electric air floating device, be also provided with rectifier.
Wherein, in described electric air floating device, be also provided with gas-solid-liquid triphase separator.
Further, it also comprises vehicle moving device and electromechanical integration equipment, electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant are set in turn in vehicle moving device, and electromechanical integration equipment is connected with electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant respectively.
Wherein, described vehicle moving device is a flat-bed trailer.
Wherein, described electromechanical integration equipment is motor.
Further, it also comprises PLC chip controller, and PLC chip controller is connected with electromechanical integration equipment.
the beneficial effects of the utility model:the utility model is realized deep purifying reuse and the zero release of oil-well wastewater, reaches waste water 100% with less salt, peace and quiet water reuse, discharge be only powder salt powder, mineral dust, fundamentally solve oil well water and discharge a difficult problem.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of oil-well wastewater zero discharge treatment device of the present utility model.
Fig. 2 is the structural representation of a kind of oil-well wastewater zero discharge treatment device of the present utility model.
Embodiment
With the drawings and specific embodiments, the utility model is further described below, but the utility model is not subject to the restriction of following embodiment.
As depicted in figs. 1 and 2, a kind of oil-well wastewater zero discharge treatment device, it comprises the dense water evaporation of the electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the film that set gradually desalination plant; In described electric air floating device, be provided with Ti-Fe-Al compound electrode.
Particularly, a kind of oil-well wastewater zero discharge treatment device comprises the electric air floating device that oil-well wastewater station discharge water is carried out to degree of depth oil removing, electric clarification, sulphide removal, deironing, softening water and germicidal treatment; Comprise that by organic substance decomposing be CO
2and H
2o, make the UV-light ozone reactor of COD < 50ppm; Comprise oil-well wastewater is filtered, made saltiness < 100ppm, the COD < 10ppm of oil-well wastewater and reaches the 90% membrane filtration treatment unit that carries out reuse with low-solids water; Comprise the dense water evaporation of the film desalination plant through evaporation process, discharge dry powder salt by 10% dense water; Described electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant set gradually.
Electric air floating device is to use a tower equipment, and in-built electrical pole plate, passes into direct current, reaches following effect.
1. degree of depth oil removing: part water is produced O by electrolysis
2/ H
2bubble, diameter can carefully arrive nano level, and its oil removal by air bubbling ability far away higher than used pressurized dissolved air flotation machine on oil field, and does not have mechanical moving element, is atmospheric operation, and operation troubles is low.
2. electricity clarification: battery lead plate produces Fe/Al ion, can make in waste water dirty foreign material flocculate and clarify again, outclass used Tai-Ace S 150 on oil field, ferric sulfate chemical, without long-distance transport, stores chemical difficulty.
3. sulphide removal: now on oil field with adding alkali, add air-blow method and remove sulfides from wastewater, but the O of brine electrolysis generation
2just sulfides from wastewater can be oxidized to elemental sulfur and air supporting is removed, this has just exempted the atmospheric pollution of hydrogen sulfide to oil well district, saves again long-distance transport chemical dangerous.
4. deironing: on oil field, now with potassium permanganate, remove iron in waste water, but the O that brine electrolysis produces
2just energy deironing, this is the most frequently used water quality air deironing principle, this has just removed this Hazardous Chemical Substances of long-distance transport potassium permanganate from.
5. softening water: now on oil field reduce waste water salinity with the softening waste water of lime-soda process, be beneficial to re-injection.But waste water is during by electrolysis, and negative electrode is alkalescence just can reduce hardness, has exempted long-distance transport soda ash, this large-tonnage industrial chemicals of lime.
6. sterilization: now making waste water sterilization with various sterilant on oil field, is all chloride hazardous substance, but just contains sodium-chlor in oil-well wastewater, and electrolysis just produces O
2and chlorine.And then becoming clorox, sterilizing rate can reach 99.99%, not only safety but also the chloride hazardous chemical of needn't transporting for long-distance.
UV-light ozone reactor is a built-in ultra-violet lamp energising of tower equipment, passes into dry air and produces ozone.Concrete principle is as follows: (1) oil-well wastewater is high chroma, although waste water station You Ji road carbon filter, in water solvability band look contact scar thing still difficulty remove, but ozone can saboteur's structure in chromophoric group, this is the most effective decoloring method of waste water from dyestuff.(2) decomposing organic matter: oil-well wastewater new standard requires COD < 50ppm, ordinary method does not reach this index, that ozone can make these molecular breakdown become carbonic acid gas and water, makes waste water reach new standard because contaminant molecule is not decomposed.
The saltiness < 100ppm of the oil-well wastewater after the membrane filtration of membrane filtration treatment unit is processed, COD < 10ppm.Be equivalent to II level surface water, become high-quality re-injection water, 90% water yield reuse.
The recycling condensing water of 10% dense water of the dense water of film evaporation desalination plant after evaporation process, discharges dry powder salt.Evaporation (MVR) feature is not need boiler, vacuumizes pressurized water steam simultaneously make it to heat up with compressor.Remaining 10% water yield evaporation of membrane concentration, in waste water, salt becomes dry salt powder.
In the electric air floating device of oil-well wastewater zero discharge treatment device of the present utility model, be provided with Ti-Fe-Al compound electrode, battery lead plate produces Fe/Al ion, can make in waste water dirty foreign material flocculate and clarify again, outclass used Tai-Ace S 150 on oil field, ferric sulfate chemical, without long-distance transport, store chemical difficulty.
In electric air floating device, be also provided with rectifier, gas-solid-liquid triphase separator, reach and remove dissolving oil and oil in water emulsion in sewage, removal polarity larger molecular organics, the organic object of degradation of small molecular; There is significant decolouring, sterilizing function.
Oil-well wastewater zero discharge treatment device of the present utility model also comprises vehicle moving device and electromechanical integration equipment, electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant are set in turn in vehicle moving device, and electromechanical integration equipment is connected with electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant respectively; It also comprises PLC chip controller, and PLC chip controller is connected with electromechanical integration equipment.
Vehicle moving device and electromechanical integration equipment configuration, electromechanical integration equipment comprises electric motor.Oil-well wastewater zero discharge treatment device of the present utility model is a set of 300T/d equipment, be contained on 40T flat-bed trailer just removable, on-the-spot under unloading after water flowing energising can use.Electromechanical integration configuration is all furnished with PLC chip controller, only need on touch-screen, input operation parameter can realize automated operation.
Application mode: 1. oil-well wastewater zero discharge treatment device of the present utility model is contained in waste water station end, can improve reuse water quality, reaches new standard.2. oil-well wastewater zero discharge treatment device of the present utility model is contained in waste water station discharge mouth of a river end, can reach local discharge new standard.3. oil-well wastewater zero discharge treatment device of the present utility model is contained in top, drinking station, can make brackish water salinity reduce, and water quality clarification is colourless aseptic, after film system, can quote, and extends the life-span for the treatment of unit.
The above is only preferred embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (7)
1. an oil-well wastewater zero discharge treatment device, is characterized in that: it comprises the dense water evaporation of the electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the film that set gradually desalination plant; In described electric air floating device, be provided with Ti-Fe-Al compound electrode.
2. a kind of oil-well wastewater zero discharge treatment device according to claim 1, is characterized in that: in described electric air floating device, be also provided with rectifier.
3. a kind of oil-well wastewater zero discharge treatment device according to claim 1, is characterized in that: in described electric air floating device, be also provided with gas-solid-liquid triphase separator.
4. a kind of oil-well wastewater zero discharge treatment device according to claim 1, it is characterized in that: it also comprises vehicle moving device and electromechanical integration equipment, electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant are set in turn in vehicle moving device, and electromechanical integration equipment is connected with electric air floating device, UV-light ozone reactor, membrane filtration treatment unit, the dense water evaporation of film desalination plant respectively.
5. a kind of oil-well wastewater zero discharge treatment device according to claim 4, is characterized in that: described vehicle moving device is a flat-bed trailer.
6. a kind of oil-well wastewater zero discharge treatment device according to claim 4, is characterized in that: described electromechanical integration equipment is motor.
7. a kind of oil-well wastewater zero discharge treatment device according to claim 4, is characterized in that: it also comprises PLC chip controller, and PLC chip controller is connected with electromechanical integration equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251104.5U CN203999235U (en) | 2014-05-16 | 2014-05-16 | A kind of oil-well wastewater zero discharge treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251104.5U CN203999235U (en) | 2014-05-16 | 2014-05-16 | A kind of oil-well wastewater zero discharge treatment device |
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| CN203999235U true CN203999235U (en) | 2014-12-10 |
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| CN201420251104.5U Expired - Fee Related CN203999235U (en) | 2014-05-16 | 2014-05-16 | A kind of oil-well wastewater zero discharge treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396196A (en) * | 2016-11-29 | 2017-02-15 | 中冶华天南京工程技术有限公司 | Deep treating method and deep treating device for oily wastewater |
| CN106542677A (en) * | 2017-02-14 | 2017-03-29 | 中冶华天南京工程技术有限公司 | A kind of ternary composite driving oil field produced water treatment technique |
-
2014
- 2014-05-16 CN CN201420251104.5U patent/CN203999235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396196A (en) * | 2016-11-29 | 2017-02-15 | 中冶华天南京工程技术有限公司 | Deep treating method and deep treating device for oily wastewater |
| CN106542677A (en) * | 2017-02-14 | 2017-03-29 | 中冶华天南京工程技术有限公司 | A kind of ternary composite driving oil field produced water treatment technique |
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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: 20141210 Termination date: 20170516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |