CN106957084A - From excessive type graphene oil-contained waste water treatment device - Google Patents

From excessive type graphene oil-contained waste water treatment device Download PDF

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Publication number
CN106957084A
CN106957084A CN201710184457.6A CN201710184457A CN106957084A CN 106957084 A CN106957084 A CN 106957084A CN 201710184457 A CN201710184457 A CN 201710184457A CN 106957084 A CN106957084 A CN 106957084A
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CN
China
Prior art keywords
oil
water
graphene
cavity
chamber
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Pending
Application number
CN201710184457.6A
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Chinese (zh)
Inventor
姜传胜
裴红
付林
张晓云
朱悦
提阳
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SHENGLI OILFIELD SINO SHENGLI ENGINEERING Co Ltd
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SHENGLI OILFIELD SINO SHENGLI ENGINEERING Co Ltd
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Priority to CN201710184457.6A priority Critical patent/CN106957084A/en
Publication of CN106957084A publication Critical patent/CN106957084A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/006Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/03Pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters

Abstract

The present invention provides a kind of from the type graphene oil-contained waste water treatment device that overflows, wherein described tank body is Horizontal cylinder shape sealing container, top is provided with nitrogen inlet;Oil-polluted water import is connected with water-oil separating chamber, and water-oil separating chamber top is formed around on water distributor, water distributor being evenly equipped with multiple sparge pipes;The right side of water-oil separating chamber is one-level oil-collecting cavity, and plate washer is provided between water-oil separating chamber and oil-collecting cavity;The right side of oil-collecting cavity is soil chamber, and the right side of soil chamber is production water cavity;It is provided between soil chamber and production water cavity on water distributor, water distributor and is provided with sparge pipe;Produce and graphene-based nethike embrane is furnished with below the top of water cavity, sparge pipe, the last portion of graphene-based nethike embrane is provided with collection tank;The bottom of collection tank is provided with opening, is connected with two grades of oil-collecting cavities, and oil-collecting cavity bottom is provided with sump oil outlet;Advantage is:Oil removal efficiency is high, floor space is small, anti-pollution ability is strong, influent quality requires wide in range, can be well adapted for oilfield sewage operating mode, matched processing technology flow is simple.

Description

From excessive type graphene oil-contained waste water treatment device
Technical field
It is specifically a kind of oil removing to be carried out to oil extraction-generated waste water, except outstanding the present invention relates to oilfield produced water processing technology field The device of float.
Background technology
With the variation of oil reservoir development mode, the continuous application of oil recovery new technology, the continuous improvement of recovery percent of reserves is caused Produced Liquid is become increasingly complex, and recovered water is more and more, and intractability is increased, conventional sewage " two-stage oil removing+double-filtration " technique Flow adaptability need to be improved further.
The gravity oil-removing facility commonly used in current oil-containing sewage treatment system has that oil removal efficiency is low, floor space is big etc. and asked Topic.Conventional filter plant has walnut shell filter, silicon carbide filter, Double-filter material filter, more medium filter etc., but this A little filter inflow requirements are high, and easily dirty stifled, the backwash and regeneration effect of filtering material is poor, and contamination resistance is poor, and filter material replacement is frequently, whole Cover processing system held stationary trouble-free operation difficulty larger.
Graphene is a kind of two-dimentional carbon material of monoatomic layer, and hexagonal honeycomb structure possesses strong absorption property, superelevation The characteristics such as electron mobility, high mechanical properties and high-specific surface area.Based on the performance that graphene is excellent, can have it by modification There is hydrophilic and oleophobic characteristic, modified graphene is combined using special process with nethike embrane base material, the wetting on membrane material surface can be changed Property, the water-oil separating performance of membrane material is effectively improved, water can be quickly through crude oil and SS are then not easily passed through.Stone Black alkene film is in field extensive uses such as municipal wastewater processing, river course water process, chemical plant sewage disposals.
At present, the technology is still in exploratory stage, the oil resistant of graphene film in the application study of field of oilfield sewage treatment Further checking is needed in terms of performance, anti-fouling performance and influent quality requirement, to realize the technology in oil-contaminated water of oil field Popularization and application in processing.
The content of the invention
It is an object of the invention to for the defect present in existing gravity oil-removing facility and oil containing sewage filter, And a kind of type graphene oil-contained waste water treatment device that overflows certainly proposed.
The new technical scheme of the present invention is:From excessive type graphene oil-contained waste water treatment device, including tank body, water distributor, stone Mertenyl nethike embrane and water pipeline and oil pipeline, tank body are Horizontal cylinder shape sealing container, and top is provided with gas connection ports, is nitrogen Entrance;Water-oil separating chamber, oil-collecting cavity, soil chamber and production water cavity are furnished with tank body successively;Wherein oil-polluted water import and profit point From chamber connection, water-oil separating chamber top is formed around on water distributor A, water distributor A being evenly equipped with multiple sparge pipes, sparge pipe spout to On;The right side of water-oil separating chamber is one-level oil-collecting cavity, and plate washer, oil reservoir overflow to one-level are provided between water-oil separating chamber and oil-collecting cavity Oil-collecting cavity;The right side of oil-collecting cavity is soil chamber, and water-oil separating bottom of chamber portion is connected with soil chamber, and the right side of soil chamber is production water cavity; It is provided between soil chamber and production water cavity on water distributor B, water distributor B and is provided with sparge pipe, sparge pipe spout is downwardly and outwardly inclined;Production Graphene-based nethike embrane is furnished with below the top of water cavity, sparge pipe, the last portion of graphene-based nethike embrane is provided with collection tank;Collection tank Bottom is provided with opening, is connected with two grades of oil-collecting cavities, and oil-collecting cavity bottom is provided with sump oil outlet;One-level oil-collecting cavity and two grades of oil-collecting cavities connect Connect, and be connected with sump oil outlet, the bottom for producing water cavity is connected with production water out and flushing recycle-water row's mouth.
Water-oil separating is realized using gravity flow inside described device.
Described tank body is closed container, and inside is full of nitrogen.
Described graphene-based nethike embrane has hydrophilic and oleophobic characteristic, and downward-sloping setting, and inclination angle is 15-45 °.
Graphene-based nethike embrane production water-bound is increased or decreased according to different influent quality situations and effluent quality requirement The series of series connection.Can also by change it is at different levels production water cavities between pipeline connected mode, by the graphite of plural serial stage in device Alkenyl nethike embrane is changed to the relation of parallel connection.
Described device is provided with robot control system(RCS), realizes the control of tank interior nitrogen pressure;It is real according to the size for carrying out water-carrying capacity Now each valve is automatically adjusted, and realizes periodically automatic cleaning.
Described device influent quality requirement be oil content≤300mg/L, suspension content≤100mg/L, the device Effluent quality is oil content≤15mg/L, suspension content≤5mg/L, suspension median particle size≤3.0 μm.
It is an advantage of the invention that:Oil removal efficiency is high, floor space is small, anti-pollution ability is strong, influent quality requires wide in range, energy Oilfield sewage operating mode is enough well adapted for, matched processing technology flow is simple.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is cross section structure diagram of the invention.
In figure:1 is nitrogen inlet, and 2 be oil-polluted water import, and 3 be water distributor A, and 4 be water-oil separating chamber, and 5 be that one-level receives oil Chamber, 6 be soil chamber, and 7 be water distributor B, and 8 be production water out, and 9 reclaim water out to rinse, and 10 be two grades of oil-collecting cavities, and 11 be sump oil Outlet, 12 be collection tank, and 13 be production water cavity, and 14 be graphene-based nethike embrane.
Embodiment
Describe embodiments of the invention in detail below in conjunction with the accompanying drawings.
From excessive type graphene oil-contained waste water treatment device, including tank body, water distributor, graphene-based nethike embrane 14 and water pipeline and Oil pipeline, tank body is Horizontal cylinder shape sealing container, and top is provided with gas connection ports, is nitrogen inlet 1;It is furnished with successively in tank body Water-oil separating chamber 4, oil-collecting cavity, soil chamber 6 and production water cavity 13;Wherein oil-polluted water import 2 is connected with water-oil separating chamber 4, profit The top of disengagement chamber 4 is formed around on water distributor A3, water distributor A3 being evenly equipped with multiple sparge pipes, and sparge pipe spout is upward;Profit point Right side from chamber 4 is one-level oil-collecting cavity 5, and plate washer, oil reservoir overflow to one-level oil-collecting cavity are provided between water-oil separating chamber 4 and oil-collecting cavity 5;The right side of oil-collecting cavity is soil chamber 6, and the bottom of water-oil separating chamber 4 is connected with soil chamber 6, and the right side of soil chamber 6 is production water cavity 13; It is provided between soil chamber 6 and production water cavity 13 on water distributor B7, water distributor B7 and is provided with sparge pipe, sparge pipe spout downwardly and outwardly inclines Tiltedly;Produce and graphene-based nethike embrane 14 is furnished with below the top of water cavity 13, sparge pipe, the last portion of graphene-based nethike embrane 14 is oily provided with receiving Groove 12;The bottom of collection tank 12 is provided with opening, is connected with two grades of oil-collecting cavities 10, and oil-collecting cavity bottom is provided with sump oil outlet 11;One-level Oil-collecting cavity 5 is connected with two grades of oil-collecting cavities 10, and is connected with sump oil outlet 11, produces bottom and production water out 8 and the flushing of water cavity 13 Recycle-water row's mouth connection.
Water-oil separating is realized using gravity flow inside described device.Described tank body is closed container, and inside is full of Nitrogen.Described graphene-based nethike embrane 14 has hydrophilic and oleophobic characteristic, and downward-sloping setting, and inclination angle is 15-45 °.
The graphene-based production of nethike embrane 14 water knot is increased or decreased according to different influent quality situations and effluent quality requirement The series of structure series connection.Can also by change it is at different levels production water cavities 13 between pipeline connected mode, by plural serial stage in device Graphene-based nethike embrane 14 is changed to the relation of parallel connection.
Described device is provided with robot control system(RCS), realizes the control of tank interior nitrogen pressure;It is real according to the size for carrying out water-carrying capacity Now each valve is automatically adjusted, and realizes periodically automatic cleaning.
Described device influent quality requirement be oil content≤300mg/L, suspension content≤100mg/L, the device Effluent quality is oil content≤15mg/L, suspension content≤5mg/L, suspension median particle size≤3.0 μm, into subsequent filter Device.
The contaminated-oil basin that the sump oil separated in running is drained into sewage plant.Device carries out 2 flushings daily, rinses every time Time is 10min, rinses water source and uses the device water outlet, the cesspool that the waste water after flushing is drained into sewage plant.
According to such scheme, lab scale experiment is carried out, disposal ability is 3m3/h.Small testing device Inlet and outlet water water quality see the table below:
Small testing device Inlet and outlet water water quality table
Sequence number Water quality project Influent quality Effluent quality
1 Oil content (mg/L) 272 11
2 Suspended solids content (mg/L) 85 4.1
3 SS median diameter (μm) 9.3 2.2
The graphene-based nethike embrane 14 that apparatus of the present invention are used has high hydrophilic and oleophobic, intensity, high temperature resistant, anti-pollution, acidproof alkali cleaning The characteristics of, it is difficult to be blocked by greasy dirt, by regularly rinsing, can be good at recovering the water permeability of nethike embrane.Effluent quality is Oil content≤15mg/L, suspension content≤5mg/L, suspension median particle size≤3.0 μm (are met《Clastic rock reservoir water water Matter fertilizer index and analysis method》3rd level water quality requirement in SY/T 5329-2012).The water outlet of device can meet average sky Gas permeability is more than 50 × 10-3μm2The injection water quality requirement in oil field, the water outlet of device can also be further through rear end fine processing It is used for low-permeability oilfield water filling after facility processing.The pretreatment that the device is also used as sewage recycling processing even depth processing is set Apply.

Claims (7)

1. from the type graphene oil-contained waste water treatment device that overflows, including tank body, water distributor(3), rinse reclaim water out(9), graphite Alkenyl nethike embrane(14)And water pipeline and oil pipeline, it is characterised in that:Tank body is Horizontal cylinder shape sealing container, and top is provided with gas Connector, is nitrogen inlet(1);Water-oil separating chamber is furnished with tank body successively(4), oil-collecting cavity, soil chamber(6)And production water cavity (13);Wherein oil-polluted water import(2)With water-oil separating chamber(4)Connection, water-oil separating chamber(4)Top is formed around water distributor A (3), water distributor A(3)On be evenly equipped with multiple sparge pipes, sparge pipe spout is upward;Water-oil separating chamber(4)Right side for one-level receive oil Chamber(5), water-oil separating chamber(4)Plate washer, oil reservoir overflow to one-level oil-collecting cavity are provided between oil-collecting cavity(5);The right side of oil-collecting cavity For soil chamber(6), water-oil separating chamber(4)Bottom and soil chamber(6)Connection, soil chamber(6)Right side for production water cavity(13);Sewage Chamber(6)With production water cavity(13)Between be provided with water distributor B(7), water distributor B(7)On be provided with sparge pipe, sparge pipe spout downwards and to Outer incline;Produce water cavity(13)Top, be furnished with graphene-based nethike embrane below sparge pipe(14), graphene-based nethike embrane(14)End Portion is provided with collection tank(12);Collection tank(12)Bottom be provided with opening, with two grades of oil-collecting cavities(10)Connection, oil-collecting cavity bottom is provided with Sump oil is exported(11);One-level oil-collecting cavity(5)With two grades of oil-collecting cavities(10)Connection, and exported with sump oil(11)Connection, produces water cavity (13)Bottom with production water out(8)And rinse recycle-water row's mouth connection.
2. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:In described device Portion water-oil separating is realized using gravity flow.
3. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:Described tank body is Closed container, inside is full of nitrogen.
4. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:Described graphene Base net film(14)With hydrophilic and oleophobic characteristic, and it is downward-sloping set, inclination angle is 15-45 °.
5. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:Entered according to different Water water quality situation and effluent quality requirement increase or decrease graphene-based nethike embrane(14)Produce the series of water-bound series connection.Can also By changing production water cavities at different levels(13)Between pipeline connected mode, by the graphene-based nethike embrane of plural serial stage in device(14)Change For relation in parallel.
6. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:Described device is provided with Robot control system(RCS), realizes the control of tank interior nitrogen pressure;Size according to water-carrying capacity is carried out realizes automatically adjusting for each valve, real Now periodically automatic cleaning.
7. it is according to claim 1 from the type graphene oil-contained waste water treatment device that overflows, it is characterised in that:Described device is entered Water water quality requirement is oil content≤300mg/L, suspension content≤100mg/L, the effluent quality of the device for oil content≤ 15mg/L, suspension content≤5mg/L, suspension median particle size≤3.0 μm.
CN201710184457.6A 2017-03-24 2017-03-24 From excessive type graphene oil-contained waste water treatment device Pending CN106957084A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108187368A (en) * 2018-01-22 2018-06-22 哈尔滨工业大学 A kind of three station-rotary type oily-water seperating equipments and method
CN108689452A (en) * 2018-08-02 2018-10-23 张碌章 A kind of type graphene oil-contained waste water treatment device that overflows certainly
CN115477402A (en) * 2021-06-15 2022-12-16 台山市共荣食品有限公司 Eel processing sewage treatment plant

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* Cited by examiner, † Cited by third party
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RU2243168C1 (en) * 2003-09-03 2004-12-27 Евдокимов Александр Александрович Oil-containing water purification plant
CN103043747A (en) * 2013-01-09 2013-04-17 中国天辰工程有限公司 Oil-water separator
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CN104828817A (en) * 2015-05-18 2015-08-12 中国石油大学(华东) Oxidized graphene netted film with efficient oil-water separation capacity
CN204803036U (en) * 2015-06-12 2015-11-25 中国海洋石油总公司 Flotation of advection formula removes oil tank
CN205856057U (en) * 2016-08-05 2017-01-04 万博克环保科技(北京)有限公司 A kind of efficiently coalescence gravitational method oily water separating equipment
CN206955704U (en) * 2017-03-24 2018-02-02 胜利油田森诺胜利工程有限公司 From excessive type graphene oil-contained waste water treatment device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2243168C1 (en) * 2003-09-03 2004-12-27 Евдокимов Александр Александрович Oil-containing water purification plant
CN202898075U (en) * 2012-09-21 2013-04-24 北京仁创科技集团有限公司 Oil and water separation system
CN103043747A (en) * 2013-01-09 2013-04-17 中国天辰工程有限公司 Oil-water separator
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CN204803036U (en) * 2015-06-12 2015-11-25 中国海洋石油总公司 Flotation of advection formula removes oil tank
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CN206955704U (en) * 2017-03-24 2018-02-02 胜利油田森诺胜利工程有限公司 From excessive type graphene oil-contained waste water treatment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108187368A (en) * 2018-01-22 2018-06-22 哈尔滨工业大学 A kind of three station-rotary type oily-water seperating equipments and method
CN108689452A (en) * 2018-08-02 2018-10-23 张碌章 A kind of type graphene oil-contained waste water treatment device that overflows certainly
CN115477402A (en) * 2021-06-15 2022-12-16 台山市共荣食品有限公司 Eel processing sewage treatment plant

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