CN108264169A - A kind of drilling well oil-containing waste water treating device - Google Patents
A kind of drilling well oil-containing waste water treating device Download PDFInfo
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- CN108264169A CN108264169A CN201710000789.4A CN201710000789A CN108264169A CN 108264169 A CN108264169 A CN 108264169A CN 201710000789 A CN201710000789 A CN 201710000789A CN 108264169 A CN108264169 A CN 108264169A
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- waste water
- drilling well
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- water
- activated carbon
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of drilling well oil-containing waste water treating devices, belong to oil-contaminated water of oil field process field.The present apparatus is made of device case, Slag Scraping Device, coagulation air-float, fibre turntable filtering, the electrolysis of ruthenium iridium coating layer and activated carbon filtering module.Treatment process includes water quality adjustment, coagulant precipitation, filtering, oxidation and five steps of activated carbon adsorption.The present invention is suitable for the processing of drilling well oily wastewater, solves the problems, such as oil-containing in drilling well oily waste water, suspended matter, COD too high levels to water environment pollution.
Description
Technical field
The present invention relates to oil-contaminated water of oil field process fields, are filled more particularly to a kind of processing for drilling well oily waste water
It puts.
Background technology
The a large amount of drilling well oily waste waters of association in oil exploitation drilling process, this kind of waste water are the dilution for many times liquid of drilling mud
With the mixture of oils, including discarded slurry, rise, tripping operation when mud loss and the landwaste and ground installation and brill taken out of
The flushing water of well tool.The spy with more, wide, the intermittent discharges of point and uncontrollable discharge is generated due to drilling well oily waste water
Property, therefore impurity in waste water and property is formed with drilling mud and nature of ground close relation, i.e., different oil gas fields,
Different drills area, different well depths, different mud materials, and the sewage property formed in drilling process is not quite similar.Always
For body, a large amount of suspended matters, drilling well additive, organic matter, a small amount of sulfide, thin are mainly contained in general drilling well oily waste water
The ingredients such as bacterium, oil, phenol, heavy metal ion have big water, complicated component, coloration height, pollutant concentration height, salinity height, can give birth to
The features such as property changed difference and big intractability, be that petroleum industry is relatively difficult to one of wastewater pollution source for managing and handling.Except this it
Outside, if dealing with arbitrary discharge improperly, into river, ocean, farmland, chronic pollution can be caused to ecological environment, directly affected
Animal and plant growth in addition can also directly or indirectly be jeopardized by food chain human body health and life security.At present both at home and abroad
Processing drilling well oily waste water method has：Direct emission method, biological treatment, seal in a pit, solid-liquid isolation method etc..It is but above-mentioned several
The processing method of kind drilling well oily waste water cannot fundamentally solve drilling waste water environmental pollution, and there are pollution environment
Hidden danger, Expenses Cost is also high, it is impossible to secondary use.The COD of especially processed waste water is extremely difficult to《Integrated wastewater discharge mark
It is accurate》（GB 8978-1996）Primary standard requirement.With the reinforcement of domestic and international environmental consciousness and national environmental protection laws and regulations not
Break strictly with perfect, new demand is proposed to the efficient of drilling well oily waste water, low consumption, economic treatment.
Invention content
The present invention is undesirable and processing cost is high asks for treatment effect present in current drilling well oiliness sewage treatment
Topic, provides a kind of drilling well oil-containing waste water treating device, realizes up to standard to the low cost of Various Complex oilfield drilling oily waste water
Emission treatment.
A kind of processing unit and treatment process of oilfield drilling oily waste water qualified discharge, it is characterised in that present treatment fills
It puts and is made of device case, Slag Scraping Device, coagulation air-float, fibre turntable filtering, the electrolysis of ruthenium iridium coating layer and activated carbon filtering module.
This process includes the following steps：
（1）Water quality adjustment is separated, most of coarse grain suspended matter and oil slick in removal waste water by gravitational settling effect；
（2）Coagulant precipitation processing, is adjusted through step（1）The pH value of treated waste water to 8-10, then add flocculant and
Flocculation aid, then suspended matter and part COD after gravitational settling in removal waste water；
（3）Filtration treatment, it is impossible to which the suspended matter of sedimentation is removed by fiber turnplate filter device；
（4）Oxidation processes, step（3）Treated, and waste water removes COD and ammonia nitrogen, reducing heavy metal by being electrolysed advanced oxidation；
（5）Activated carbon adsorption, to through step（4）Treated, and remaining a small amount of COD is handled by activated carbon adsorption, last up to standard
Discharge.
The step（2）In flocculant for aluminium polychloride, effective content is 29%-31%, additive amount for 50-
500 mg/L；Flocculation aid is anionic polyacrylamide, and additive amount is 1-10mg/L.
The step（2）Middle pH adjusting agent is milk of lime.
The step（4）In electrolytic anode using titanium-based ruthenium iridium coating layer electrode, cathode uses Titanium board, during the electrolysis
Voltage is 5-10 V, and pole plate distance is 1-2 cm.
Advantage using the present invention is：
1st, the present invention can be needed to avoid Fenton oxidation technology by pH using ruthenium iridium coating layer electrolysis tech as high-level oxidation technology
It adjusts to 3, while needs to add in the hazardous chemicals such as hydrogen peroxide, so as to greatly simplifie technique, reduce processing cost.
2nd, airfloat equipment is mixed recirculation water with air by multiphase flow pump, forms high pressure dissolved air water, as working media,
By release sudden pressure reduction, quick release generates a large amount of micro air bubbles, anti-with warp plus coagulant, the sewage flocculation of flocculant
" alumen ustum " adherency that should be formed together, makes alumen ustum flocs float, so as to promptly remove pollutant in water, reaches the mesh of water purification
's.
3rd, device is efficiently into sled water treatment facilities, at home and abroad disperseing block has preferable application prospect, to ensuring
Oil field subsequent production has more important meaning, while can also generate preferable Social benefit and economic benefit.
Description of the drawings
Fig. 1 is drilling well oil-containing waste water treating device structure diagram.
Fig. 2 is drilling well oil-containing waste water treating device function division schematic diagram.
Specific embodiment
Embodiment below in conjunction with the accompanying drawings is described further the present invention：
（1）Water first passes around water quality adjustment, passes through most of coarse grain suspended matter in gravitational settling effect separation, removal waste water
And oil slick；
（2）Sewage self-flowing after homogeneous is adjusted the pH of water to 8-10 to coagulant precipitation processing unit, by feeding lime breast,
Then the polyacrylamide of the aluminium polychloride of 50-500mg/L of addition and 1-10mg/L, the flco of generation are made by air supporting
With removal, the big suspended matter of density is removed by gravitational settling；
（3）Coagulant precipitation is discharged, and into fibre turntable fruit filter device, further removes the suspended matter in water removal；
（4）Step（3）Treated, and waste water passes through electrolysis, oxidation removal COD and ammonia nitrogen, reducing heavy metal；
（5）To through step（4）Treated, and remaining a small amount of COD is handled by activated carbon adsorption, last qualified discharge.
The present invention technical principle be：
1st, coagulant precipitation principle
Principle is that airfloat equipment is mixed recirculation water with air by multiphase flow pump, forms high pressure dissolved air water, as working media,
By release sudden pressure reduction, quick release generates a large amount of micro air bubbles, anti-with warp plus coagulant, the sewage flocculation of flocculant
" alumen ustum " adherency that should be formed together, makes alumen ustum flocs float, so as to promptly remove pollutant in water, reaches the mesh of water purification
's.Sloping plate deposition refers to be equipped with the sedimentation basin of inclined plate in settling zone.It is sharp in the settling zone of flat flow or vertical sedimentation basin
A series of shallow layer precipitating layers are divided into inclined parallel pipe or parallelpiped, processed and sedimentation heavy mud is shallow in each precipitation
It mutually moves and detaches in layer.Reverse flow, concurrent and the different separation sides of three kinds of lateral flow are divided into according to its mutual direction of motion
Formula.A very shallow sedimentation basin is equivalent between every two pieces of inclined paralled plates.Lamina flow principle is utilized in this design, improves sedimentation basin
Processing capacity, shorten particle settling height, so as to shorten the sedimentation time, improve treatment effeciency.
2nd, fibre turntable work principle of filter
Fibre turntable capital equipment is fabric filter, is made of central drum, turntable, backwashing system.Sewage by turntable into
Enter central drum, turntable both sides are equipped with oil resistant steel filter cloth.After sewage is by filter cloth, impurity is retained down, with impurity
Increase, the liquid level of sludge sump can also increase, and PLC control system starts backwashing pump, and filter cloth is backwashed.Backwashed
Cheng Zhong, rotary disc filter are normal works, it can be achieved that the backwash that do not stop production.
3rd, electrolytic oxidation principle
Electrochemical reaction is divided into Direct Electrolysis and indirect electrolytic, Direct Electrolysis refer to pollutant directly aoxidized on the electrode or
Reduction is usually the organic matter that attack has double bond, more effective to unsaturated aliphatic hydrocarbon and compound fragrant hydrocarbon；Indirect reaction
Refer to decompose on pole plate and generate OH, oxidation reaction is carried out by OH and organic matter, this mode does not have selectivity.
4th, activated carbon filtering tank principle
Activated carbon adsorption filter cylinder body is designed using hydraulic analogy major diameter, and reasonable using grain size, and specific surface area is more than 1000
m2The high efficiency active carbon of/g has very strong adsorption capacity.Big specific surface area makes its existing upper strata special efficacy filtering have lower floor again
The functions such as efficient absorption greatly improve production Water warfare degree and the service life of carbon.It is active-carbon bed to peculiar smell in water body, it is organic
The removal capacities such as object, colloid, suspended matter are distinguished.
Claims (2)
1. a kind of a kind for the treatment of process of oilfield drilling oily waste water qualified discharge of drilling well oil-containing waste water treating device, feature
It is to include：Device case, Slag Scraping Device, coagulation air-float, fibre turntable filtering, the electrolysis of ruthenium iridium coating layer and activated carbon filtering module.
2. a kind of drilling well process for treating oil-containing waste water, it is characterised in that comprising water quality adjustment, coagulant precipitation is handled, filtration treatment,
Oxidation processes, five steps of activated carbon adsorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000789.4A CN108264169A (en) | 2017-01-03 | 2017-01-03 | A kind of drilling well oil-containing waste water treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000789.4A CN108264169A (en) | 2017-01-03 | 2017-01-03 | A kind of drilling well oil-containing waste water treating device |
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| Publication Number | Publication Date |
|---|---|
| CN108264169A true CN108264169A (en) | 2018-07-10 |
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| CN201710000789.4A Pending CN108264169A (en) | 2017-01-03 | 2017-01-03 | A kind of drilling well oil-containing waste water treating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079496A (en) * | 2020-09-14 | 2020-12-15 | 安徽清扬水处理设备科技有限公司 | Method for treating landfill leachate of garbage transfer station |
| CN112499879A (en) * | 2020-12-17 | 2021-03-16 | 张倩茹 | Oily wastewater treatment process |
| CN114031217A (en) * | 2021-11-24 | 2022-02-11 | 中复神鹰碳纤维股份有限公司 | Method for rapidly treating waste oil agent for carbon fiber spinning |
| CN115893704A (en) * | 2022-10-08 | 2023-04-04 | 中国石油大学(北京) | Treatment system and treatment method for drilling wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139147A (en) * | 2007-08-13 | 2008-03-12 | 四川石油管理局安全环保质量监督检测研究院 | Stone oil well drilling sullage continuous processing technique |
| CN101481186A (en) * | 2009-02-16 | 2009-07-15 | 中国石化集团石油工程西南有限公司油田工程服务分公司 | Process and apparatus for treating oil-gas field wastewater |
-
2017
- 2017-01-03 CN CN201710000789.4A patent/CN108264169A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139147A (en) * | 2007-08-13 | 2008-03-12 | 四川石油管理局安全环保质量监督检测研究院 | Stone oil well drilling sullage continuous processing technique |
| CN101481186A (en) * | 2009-02-16 | 2009-07-15 | 中国石化集团石油工程西南有限公司油田工程服务分公司 | Process and apparatus for treating oil-gas field wastewater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079496A (en) * | 2020-09-14 | 2020-12-15 | 安徽清扬水处理设备科技有限公司 | Method for treating landfill leachate of garbage transfer station |
| CN112499879A (en) * | 2020-12-17 | 2021-03-16 | 张倩茹 | Oily wastewater treatment process |
| CN112499879B (en) * | 2020-12-17 | 2023-12-12 | 浙江伟明盛青能源新材料有限公司 | Oily wastewater treatment process |
| CN114031217A (en) * | 2021-11-24 | 2022-02-11 | 中复神鹰碳纤维股份有限公司 | Method for rapidly treating waste oil agent for carbon fiber spinning |
| CN115893704A (en) * | 2022-10-08 | 2023-04-04 | 中国石油大学(北京) | Treatment system and treatment method for drilling wastewater |
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Application publication date: 20180710 |
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