CN205275333U - Oil field extraction water composite treatment system - Google Patents
Oil field extraction water composite treatment system Download PDFInfo
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- CN205275333U CN205275333U CN201520984710.2U CN201520984710U CN205275333U CN 205275333 U CN205275333 U CN 205275333U CN 201520984710 U CN201520984710 U CN 201520984710U CN 205275333 U CN205275333 U CN 205275333U
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Abstract
The utility model belongs to the technical field of the water treatment, specifically provide an oil field extraction water composite treatment system, this system includes oil water separator, buffer tank, inorganic carbon film processor, water tank, filtration absorption treater, backwash pump and purifies the water pitcher, handles passing through inorganic carbon film behind the water oil separating, and refilter is later adsorbed, makes oil slick and the oil emulsion of producing the aquatic get rid of totally, and it is better to get rid of the effect to the aquatic soluble oil, and the remaining soluble oil content in product aquatic is extremely low, the utility model discloses an operate is simple, the maintenance is convenient, with low costs, does not need chemical agent such as PH regulator, flocculating agent and coagulant, no secondary pollution, and environmental pollution is little.
Description
Technical field
The utility model relates to the treatment system of a kind of oil field extracted water, belongs to water-treatment technology field.
Background technology
Owing to oilfield sewage comparison of ingredients is complicated, main containing oil, suspended substance, rock debris, corrosion product, gas and bacterial micro-organism etc., oil content and oil existence form in water is not identical yet, usually single water treatment method often poor effect is adopted in actual applications, there is limitation, it is thus desirable to more than two or three kind method conbined usage.
The water quality characteristics in oil field, the mode of production, the difference of the purposes of environment situation and process water, treatment process for sewage in oil field difference is bigger, but mainly by breakdown of emulsion and removal dispersion oil, gravity settling separation, air supporting flotation separation, coarse filtration, the technical process such as fine filtering and film process, technical process is long, process is loaded down with trivial details, more difficult control, variation water quality is bigger, also need in conjunction with emulsion splitter, flocculation agent, the chemical treatment method of coagulant aids chemical agent just can make effluent quality reach standard-required, this causes again the secondary pollution of water, and current conventional processes to the removal of sump oil in water mainly for oil slick, dispersion oil and oil in water emulsion, solubilised state existing in water oil is difficult to remove, although the oil-contg produced in water can be less than 5.0mg/L, but it is difficult to be less than the requirement of 1.0mg/L.
Practical novel content
The purpose of this utility model is that in the treatment process for existing oil field extracted water, treatment facility is many, operational path length and too complexity, and operation control is difficult, the technical problems such as effluent quality fluctuation is big, it provides one oil field extracted water Combined Processing system.
In order to realize above-mentioned purpose, the technical scheme that the utility model adopts is this oil field extracted water Combined Processing system, comprises water-and-oil separator, buffer tank, inorganic carbon film treater, ponding case, filtration and adsorption treatment device, backwashing pump and purification water pot;
Wherein the water outlet of water-and-oil separator is connected with the water-in of buffer tank by pipeline, the water outlet of buffer tank is connected by the water-in of pipeline with inorganic carbon film treater, the filtration mouth of a river of inorganic carbon film treater is connected by the water-in of pipeline with ponding case, dense water out is connected with the water-in of water-and-oil separator by pipeline, the water outlet of ponding case is connected by the water-in of pipeline with filtration and adsorption treatment device, the water outlet of filtration and adsorption treatment device is connected with the water-in of purification water pot, purify waste water outlet and the pipeline communication of purifying waste water of purification water pot, backwash water outlet is connected by the backwash water entrance of backwashing pump with inorganic carbon film treater.
The inorganic carbon film membrane pore size of above-mentioned inorganic carbon film treater is 0.01��0.6 ��m, and transmembrane pressure is 0.05��0.5MPa.
The pressure reduction of above-mentioned filtration and adsorption treatment device is 0.02��0.1MPa, and the filtering velocity of filtration and adsorption treatment device is 3��12m/h.
The filtering material of above-mentioned filtration and adsorption treatment device makes at 850��1150 DEG C of roasting 40��90min after mixing according to the ratio that mass ratio is 1:3��1:8 with diatomite by chalk.
Oil field extracted water Combined Processing system of the present utility model, mainly utilize oily water separation, inorganic carbon film processes, chalk and the diatomite of roasting is utilized as the suspended substance remained in filtering material trap water and dissolving oil to be adsorbed afterwards, water outlet is met: oil-contg < 1.0mg/L, suspension content < 1.0mg/L, the standard-required that median particle size < is 1 ��m, process route of the present utility model is simple, treatment time is short, removal efficiency height, and it is strong to make full use of inorganic carbon film resistance to crocking, the characteristic of oil resistant, to suspended substance and oil in water emulsion, oil slick carries out effectively catching, filter, and it is easy to rinse, without the need to stopping in use procedure, guarantee system is run continuously, operation of the present utility model runs simple, easy to maintenance, cost is low, stable, 17 days are run continuously through testing, produce oil-in-water content, suspended substance and median particle size stable content, and the utility model does not need PH conditioning agent, the chemical agent such as flocculation agent and coagulating agent, non-secondary pollution, environmental pollution is little, oil slick in product water and oil in water emulsion are removed completely, dissolving oil removal effect in water is better, the dissolving oil content producing residual in water is extremely low, meet the requirement of " petroclastic rock reservoir water water-quality guideline and analytical procedure " SY/T5329-2012 standard.
Accompanying drawing explanation
Fig. 1 is oil field extracted water Combined Processing system architecture diagram of the present utility model.
Embodiment
Now in conjunction with the accompanying drawings and embodiments the technical solution of the utility model is further described.
As shown in Figure 1, this oil field extracted water Combined Processing system is connected and composed by pipeline by water-and-oil separator 1, buffer tank 2, inorganic carbon film treater 3, ponding case 4, filtration and adsorption treatment device 5, backwashing pump 7 and purification water pot 6.
Wherein: water-and-oil separator 1 belongs to pretreatment unit, swirler or swash plate oil eliminator can be adopted or can also be triphase separator, it belongs to common equipment, the water-in of this water-and-oil separator 1 and oil field extracted water water pipeline communication, the water outlet of this water-and-oil separator 1 is connected by the water-in of pipeline with buffer tank 2, the water outlet of buffer tank 2 is connected by the water-in of pipeline with inorganic carbon film treater 3, the filtered water outlet of inorganic carbon film treater 3 is connected by the water-in of pipeline with ponding case 4, the dense water out of this inorganic carbon film treater 3 is connected by the water-in of pipeline with water-and-oil separator 1, dense water section containing suspended substance and oil slick is returned water-and-oil separator 1 circular treatment, the water outlet of ponding case 4 is connected by the water-in of pipeline with filtration and adsorption treatment device 5, the water outlet of filtration and adsorption treatment device 5 is connected with the water-in of purification water pot 6, purify waste water outlet and the pipeline communication of purifying waste water of purification water pot 6, backwash water outlet is connected with the backwash water entrance of inorganic carbon film treater 3 by the backwashing pump 7 being arranged on pipeline.
Above-mentioned inorganic carbon film treater 3 adopts cross-flow mode to carry out, and its filtering material is the multi-channel membrane core that compound carbofrax material is made, and membrane pore size is between 0.01��0.10 ��m.
The structure of above-mentioned filtration and adsorption treatment device 5 belongs to common candle filter structure, the chalk of filter element filtering material selection of the present utility model sintering and diatomite mixture, when water is from top to bottom through filtering material surface, the suspended substance of dissolving oil and trace is adsorbed, filter, thus reach the effect of purification, the mixing quality proportioning of chalk of the present utility model and diatomite can be chosen arbitrarily between 1:3��1:8, chalk of the present utility model needs the roasting temperature 40��90min at 850��1150 DEG C with diatomite after proportionally mixing, and make filter core shape and load in the filter.
The method that said system realizes oil field extracted water Combined Processing is made up of following step:
(1) make oil and water initial gross separation after oil field extracted water being stopped certain time in water-and-oil separator 1, get rid of oil slick and hard suspended substance so that initial gross separation oil-in-water content��100mg/L, suspension content��100mg/L;
(2) initial gross separation gained oil water removal adopts cross flow filter mode to process under normal temperature after buffer tank 2 cushions in inorganic carbon film treater 3, remove the oil slick in water body, oil in water emulsion and remaining suspended substance, make oil-contg��5mg/L in water outlet, suspension content��2mg/L, dense water section water outlet containing suspended substance and oil slick returns water-and-oil separator 1 circular treatment, and the rear water outlet of filtration is delivered to ponding case 4 and cushions;
(3) ponding case 4 cushion after water outlet enter in filtration and adsorption treatment device 5, from top to bottom through filtering material, filtering material is utilized to carry out filtering, adsorbing, filter out trace suspended substance and will residual dissolving oil Adsorption, thus make water outlet reach the standard-required of oil field reinjection water, oil-contg��1mg/L, suspension content��1mg/L, median particle size < 1 ��m, filtering water outlet is stored in purification water pot 6, part enters in inorganic carbon film treater 3 as backwash water and carries out backwash, and rest part enters waterflood system.
Claims (4)
1. an oil field extracted water Combined Processing system, it is characterised in that comprise water-and-oil separator (1), buffer tank (2), inorganic carbon film treater (3), ponding case (4), filtration and adsorption treatment device (5), purification water pot (6) and backwashing pump (7);
Wherein the water outlet of water-and-oil separator (1) is connected by the water-in of pipeline with buffer tank (2), the water outlet of buffer tank (2) is connected by the water-in of pipeline with inorganic carbon film treater (3), the filtered water outlet of inorganic carbon film treater (3) is connected by the water-in of pipeline with ponding case (4), dense water out is connected by the water-in of pipeline with water-and-oil separator (1), the water outlet of ponding case (4) is connected by the water-in of pipeline with filtration and adsorption treatment device (5), the water outlet of filtration and adsorption treatment device (5) is connected with the water-in of purification water pot (6), purify waste water outlet and the pipeline communication of purifying waste water of purification water pot (6), backwash water outlet is connected by the backwash water entrance of backwashing pump (7) with inorganic carbon film treater (3).
2. oil field extracted water Combined Processing system according to claim 1, it is characterised in that the inorganic carbon film membrane pore size of described inorganic carbon film treater (3) is 0.01��0.6 ��m, and transmembrane pressure is 0.05��0.5MPa.
3. oil field extracted water Combined Processing system according to claim 1, it is characterised in that the pressure reduction of described filtration and adsorption treatment device (5) is 0.02��0.1MPa, and the filtering velocity of filtration and adsorption treatment device (5) is 3��12m/h.
4. oil field extracted water Combined Processing system according to claim 1, it is characterised in that the filtering material of described filtration and adsorption treatment device (5) makes at 850��1150 DEG C of roasting 40��90min after mixing according to the ratio that mass ratio is 1:3��1:8 with diatomite by chalk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984710.2U CN205275333U (en) | 2015-12-01 | 2015-12-01 | Oil field extraction water composite treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520984710.2U CN205275333U (en) | 2015-12-01 | 2015-12-01 | Oil field extraction water composite treatment system |
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| CN205275333U true CN205275333U (en) | 2016-06-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254054A (en) * | 2015-12-01 | 2016-01-20 | 陕西省石油化工研究设计院 | Oilfield produced water compound treatment system and method |
| CN107986480A (en) * | 2017-12-28 | 2018-05-04 | 西安长庆科技工程有限责任公司 | A kind of produced water treatment device and technique |
| CN108002614A (en) * | 2018-01-10 | 2018-05-08 | 东莞市盛源石油化工有限公司 | A kind of oil-containing sewage treatment technique |
-
2015
- 2015-12-01 CN CN201520984710.2U patent/CN205275333U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254054A (en) * | 2015-12-01 | 2016-01-20 | 陕西省石油化工研究设计院 | Oilfield produced water compound treatment system and method |
| CN105254054B (en) * | 2015-12-01 | 2017-12-19 | 陕西省石油化工研究设计院 | A kind of oil field extracted water multiple treating system and method |
| CN107986480A (en) * | 2017-12-28 | 2018-05-04 | 西安长庆科技工程有限责任公司 | A kind of produced water treatment device and technique |
| CN108002614A (en) * | 2018-01-10 | 2018-05-08 | 东莞市盛源石油化工有限公司 | A kind of oil-containing sewage treatment technique |
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Address after: No.61 Xiyan Road, Xi'an City, Shaanxi Province 710054 Patentee after: Shaanxi Chemical Research Institute Co.,Ltd. Address before: No.61 Xiyan Road, Xi'an City, Shaanxi Province 710054 Patentee before: SHAANXI RESEARCH DESIGN INSTITUTE OF PETROLEUM CHEMICAL INDUSTRY |