CN106957084A - From excessive type graphene oil-contained waste water treatment device - Google Patents
From excessive type graphene oil-contained waste water treatment device Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 38
- 238000004065 wastewater treatment Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 239000010865 sewage Substances 0.000 claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 47
- 210000004379 membrane Anatomy 0.000 description 8
- 210000002747 omentum Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005238 degreasing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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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
- C02F1/40—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
- C02F1/006—Water 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature 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
- C02F2103/365—Nature 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)
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
本发明提供一种自溢型石墨烯含油污水处理装置，其中所述的罐体为卧式圆柱形密封容器，顶部开有氮气入口；含油污水进口与油水分离腔连接，油水分离腔上部四周设有布水管，布水管上均布有多个喷水管；油水分离腔的右侧为一级收油腔，油水分离腔与收油腔之间设有档板；收油腔的右侧为污水腔，污水腔的右侧为产水腔；污水腔与产水腔之间设有布水管，布水管上开有喷水管；产水腔的上部，喷水管的下方布有石墨烯基网膜，石墨烯基网膜的末部设有收油槽；收油槽的底部设有开口，与二级收油腔连接，收油腔底部开有污油出口；优点为：除油效率高、占地面积小、耐污染能力强、进水水质要求宽泛，能够很好地适应油田污水工况，配套处理工艺流程简单。
The invention provides a self-overflow type graphene oily sewage treatment device, wherein the tank body is a horizontal cylindrical sealed container with a nitrogen inlet on the top; the oily sewage inlet is connected to the oil-water separation chamber, and the upper part of the oil-water separation chamber is surrounded by There are water distribution pipes, and multiple water spray pipes are evenly distributed on the water distribution pipes; the right side of the oil-water separation chamber is the first-level oil collection chamber, and a baffle is set between the oil-water separation chamber and the oil collection chamber; the right side of the oil collection chamber is Sewage chamber, the right side of the sewage chamber is the water production chamber; there is a water distribution pipe between the sewage chamber and the water production chamber, and a water spray pipe is opened on the water distribution pipe; the upper part of the water production chamber and the lower part of the water spray pipe are covered with graphene The end of the graphene-based membrane is provided with an oil collection tank; the bottom of the oil collection tank is provided with an opening, which is connected to the secondary oil collection chamber, and the bottom of the oil collection chamber has a dirty oil outlet; the advantages are: high oil removal efficiency , small footprint, strong pollution resistance, wide requirements for influent water quality, can well adapt to the working conditions of oilfield sewage, and the supporting treatment process is simple.
Description
技术领域technical field
本发明涉及油田采油污水处理技术领域，具体是一种对采油污水进行除油、除悬浮物的装置。The invention relates to the technical field of oil production sewage treatment in oil fields, in particular to a device for removing oil and suspended matter from oil production sewage.
背景技术Background technique
随着油藏开发方式的多样化，采油新技术的不断应用，采出程度的不断提高，造成采出液越来越复杂，采出水越来越多，处理难度加大，常规污水“两级除油+两级过滤”工艺流程适应性需进一步提高。With the diversification of reservoir development methods, the continuous application of new oil recovery technologies, and the continuous improvement of the recovery rate, the production fluid is becoming more and more complex, the production water is increasing, and the treatment difficulty is increasing. The adaptability of oil removal + two-stage filtration” process needs to be further improved.
目前含油污水处理系统中常用的重力除油设施存在除油效率低、占地面积大等问题。常用的过滤设备有核桃壳过滤器、金刚砂过滤器、双滤料过滤器、多介质过滤器等，但这些过滤器进水要求高，过滤材质易污堵、反洗再生效果差，抗污染能力差，滤料更换频繁，整套处理系统保持平稳顺利运行难度较大。At present, gravity degreasing facilities commonly used in oily sewage treatment systems have problems such as low degreasing efficiency and large floor area. Commonly used filtration equipment includes walnut shell filter, emery filter, double filter material filter, multi-media filter, etc., but these filters have high requirements for water intake, the filter material is easy to foul and block, the backwash regeneration effect is poor, and the anti-pollution ability Poor, the filter material is replaced frequently, and it is difficult to keep the whole treatment system running smoothly.
石墨烯是一种单原子层的二维碳材料，呈六边形蜂巢结构，拥有强吸附性能、超高电子迁移率、高机械强度和高比表面积等特性。基于石墨烯优异的性能，通过改性可使其具有亲水疏油特性，将改性石墨烯采用特殊工艺与网膜基材复合，可改变膜材料表面的润湿性，有效提高膜材料的油水分离性能，水可快速通过，原油及悬浮固体颗粒则不易通过。石墨烯膜已在市政污水处理、河道水处理、化工厂污水处理等领域广泛应用。Graphene is a two-dimensional carbon material with a single atomic layer. It has a hexagonal honeycomb structure and has the characteristics of strong adsorption performance, ultra-high electron mobility, high mechanical strength and high specific surface area. Based on the excellent performance of graphene, it can be modified to have hydrophilic and oleophobic properties. The modified graphene is compounded with the mesh substrate by a special process, which can change the wettability of the surface of the membrane material and effectively improve the membrane material. Oil-water separation performance, water can pass through quickly, while crude oil and suspended solid particles are not easy to pass through. Graphene membranes have been widely used in municipal sewage treatment, river water treatment, chemical plant sewage treatment and other fields.
目前，该技术在油田污水处理领域的应用研究尚处于探索阶段，石墨烯膜的耐油性能、耐污染性能及进水水质要求等方面需要进一步验证，以实现该技术在油田含油污水处理中的推广应用。At present, the application research of this technology in the field of oilfield sewage treatment is still in the exploratory stage. The oil resistance, pollution resistance and influent water quality requirements of graphene membranes need to be further verified in order to realize the promotion of this technology in oilfield oily sewage treatment. application.
发明内容Contents of the invention
本发明的目的在于针对现有的重力除油设施和含油污水过滤装置所存在的缺陷，而提出的一种自溢型石墨烯含油污水处理装置。The object of the present invention is to propose a self-overflow type graphene oily sewage treatment device for the existing defects in the existing gravity degreasing facilities and oily sewage filtering devices.
本发明新的技术方案是：自溢型石墨烯含油污水处理装置，包括罐体、布水管、石墨烯基网膜及水管线和油管线，罐体为卧式圆柱形密封容器，顶部开有气体连接口，为氮气入口；罐体内依次布有油水分离腔，收油腔，污水腔、及产水腔；其中含油污水进口与油水分离腔连接，油水分离腔上部四周设有布水管A，布水管A上均布有多个喷水管，喷水管喷口向上；油水分离腔的右侧为一级收油腔，油水分离腔与收油腔之间设有档板，油层溢流至一级收油腔；收油腔的右侧为污水腔，油水分离腔底部与污水腔连接，污水腔的右侧为产水腔；污水腔与产水腔之间设有布水管B，布水管B上开有喷水管，喷水管喷口向下且向外倾斜；产水腔的上部，喷水管的下方布有石墨烯基网膜，石墨烯基网膜的末部设有收油槽；收油槽的底部设有开口，与二级收油腔连接，收油腔底部开有污油出口；一级收油腔与二级收油腔连接，并与污油出口连接，产水腔的底部与产水出口及冲洗回收水排口连接。The new technical solution of the present invention is: a self-overflow type graphene oily sewage treatment device, including a tank body, a water distribution pipe, a graphene-based omentum, a water pipeline and an oil pipeline. The tank body is a horizontal cylindrical sealed container with a The gas connection port is the nitrogen inlet; the oil-water separation chamber, the oil collection chamber, the sewage chamber, and the water production chamber are sequentially arranged in the tank; the oily sewage inlet is connected with the oil-water separation chamber, and the upper part of the oil-water separation chamber is surrounded by a water distribution pipe A. There are multiple water spray pipes evenly distributed on the water distribution pipe A, and the nozzles of the water spray pipes are upward; the right side of the oil-water separation chamber is the first-stage oil collection chamber, and a baffle plate is set between the oil-water separation chamber and the oil collection chamber, and the oil layer overflows to First-level oil collection chamber; the right side of the oil collection chamber is the sewage chamber, the bottom of the oil-water separation chamber is connected to the sewage chamber, and the right side of the sewage chamber is the water production chamber; there is a water distribution pipe B between the sewage chamber and the water production chamber. There is a water spray pipe on the water pipe B, and the spout of the water spray pipe is downward and outwardly inclined; the upper part of the water production chamber and the lower part of the water spray pipe are covered with a graphene-based omentum, and the end of the graphene-based omentum is provided with a collector. Oil tank; the bottom of the oil collection tank is provided with an opening, which is connected with the secondary oil collection chamber, and the bottom of the oil collection chamber has a dirty oil outlet; The bottom of the cavity is connected with the product water outlet and the flushing recovery water outlet.
所述的装置内部采用重力流程实现油水分离。The inside of the device adopts gravity process to realize oil-water separation.
所述的罐体为密闭容器，内部充满氮气。The tank body is an airtight container filled with nitrogen gas.
所述的石墨烯基网膜具有亲水疏油的特性，且向下倾斜设置，倾斜角为15-45°。The graphene-based mesh has the characteristics of hydrophilic and oleophobic, and is arranged downwards with an inclination angle of 15-45°.
根据不同的进水水质情况以及出水水质要求增加或减少石墨烯基网膜产水结构串联的级数。也可以通过改变各级产水腔之间管路的连接方式，将装置内多级串联的石墨烯基网膜改为并联的关系。According to different influent water quality conditions and effluent water quality requirements, increase or decrease the number of series series of graphene-based mesh membrane water production structures. It is also possible to change the multi-stage series graphene-based membranes in the device into a parallel relationship by changing the connection mode of the pipelines between the water production chambers at all levels.
所述装置设有自控系统，实现罐体内部氮气压力的控制；根据来水流量的大小实现各阀门的自动调节，实现定期自动清洗。The device is equipped with an automatic control system to realize the control of nitrogen pressure inside the tank; realize automatic adjustment of each valve according to the size of incoming water flow, and realize regular automatic cleaning.
所述装置的进水水质要求为含油量≤300mg/L、悬浮物含量≤100mg/L，该装置的出水水质为含油量≤15mg/L、悬浮物含量≤5mg/L、悬浮物粒径中值≤3.0μm。The influent water quality requirements of the device are oil content ≤ 300mg/L, suspended solid content ≤ 100mg/L, and the effluent water quality of the device is oil content ≤ 15mg/L, suspended solid content ≤ 5mg/L, suspended solid particle size medium Value ≤ 3.0 μm.
本发明的优点是：除油效率高、占地面积小、耐污染能力强、进水水质要求宽泛，能够很好地适应油田污水工况，配套处理工艺流程简单。The invention has the advantages of high oil removal efficiency, small occupied area, strong pollution resistance, wide requirements for influent water quality, can well adapt to the working conditions of oil field sewage, and has a simple matching process flow.
附图说明Description of drawings
图1是本发明装置的结构示意图。Fig. 1 is a structural schematic diagram of the device of the present invention.
图2为本发明的剖视结构示意图。Fig. 2 is a schematic cross-sectional structure diagram of the present invention.
图中：1为氮气入口，2为含油污水进口，3为布水管A，4为油水分离腔，5为一级收油腔，6为污水腔，7为布水管B，8为产水出口，9为冲洗回收水出口，10为二级收油腔，11为污油出口，12为收油槽，13为产水腔，14为石墨烯基网膜。In the figure: 1 is the nitrogen inlet, 2 is the oily sewage inlet, 3 is the water distribution pipe A, 4 is the oil-water separation chamber, 5 is the primary oil collection chamber, 6 is the sewage chamber, 7 is the water distribution pipe B, 8 is the water production outlet , 9 is the outlet for washing and recovery water, 10 is the secondary oil collection chamber, 11 is the dirty oil outlet, 12 is the oil collection tank, 13 is the water production chamber, and 14 is the graphene-based mesh.
具体实施方式detailed description
下面结合附图详细叙述本发明的实施例。Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
自溢型石墨烯含油污水处理装置，包括罐体、布水管、石墨烯基网膜14及水管线和油管线，罐体为卧式圆柱形密封容器，顶部开有气体连接口，为氮气入口1；罐体内依次布有油水分离腔4，收油腔，污水腔6、及产水腔13；其中含油污水进口2与油水分离腔4连接，油水分离腔4上部四周设有布水管A3，布水管A3上均布有多个喷水管，喷水管喷口向上；油水分离腔4的右侧为一级收油腔5，油水分离腔4与收油腔之间设有档板，油层溢流至一级收油腔5；收油腔的右侧为污水腔6，油水分离腔4底部与污水腔6连接，污水腔6的右侧为产水腔13；污水腔6与产水腔13之间设有布水管B7，布水管B7上开有喷水管，喷水管喷口向下且向外倾斜；产水腔13的上部，喷水管的下方布有石墨烯基网膜14，石墨烯基网膜14的末部设有收油槽12；收油槽12的底部设有开口，与二级收油腔10连接，收油腔底部开有污油出口11；一级收油腔5与二级收油腔10连接，并与污油出口11连接，产水腔13的底部与产水出口8及冲洗回收水排口连接。Self-overflow type graphene oily sewage treatment device, including tank body, water distribution pipe, graphene-based mesh 14, water pipeline and oil pipeline, the tank body is a horizontal cylindrical sealed container, and there is a gas connection port on the top, which is the nitrogen inlet 1; The oil-water separation chamber 4, the oil collection chamber, the sewage chamber 6, and the water production chamber 13 are sequentially arranged in the tank; the oily sewage inlet 2 is connected to the oil-water separation chamber 4, and the upper part of the oil-water separation chamber 4 is surrounded by a water distribution pipe A3, There are multiple water spray pipes evenly distributed on the water distribution pipe A3, and the nozzles of the water spray pipes are upward; the right side of the oil-water separation chamber 4 is the first-stage oil collection chamber 5, and a baffle plate is arranged between the oil-water separation chamber 4 and the oil collection chamber. Overflow to the primary oil collection chamber 5; the right side of the oil collection chamber is the sewage chamber 6, the bottom of the oil-water separation chamber 4 is connected to the sewage chamber 6, and the right side of the sewage chamber 6 is the water production chamber 13; the sewage chamber 6 is connected to the water production chamber There is a water distribution pipe B7 between the chambers 13, and a water spray pipe is opened on the water distribution pipe B7, and the nozzle of the water spray pipe is downward and outwardly inclined; the upper part of the water production chamber 13 and the lower part of the water spray pipe are covered with graphene-based omentum 14. The end of the graphene-based mesh 14 is provided with an oil collection tank 12; the bottom of the oil collection tank 12 is provided with an opening, which is connected with the secondary oil collection chamber 10, and the bottom of the oil collection chamber has a dirty oil outlet 11; The chamber 5 is connected with the secondary oil collection chamber 10 and with the dirty oil outlet 11, and the bottom of the water production chamber 13 is connected with the water production outlet 8 and the flushing recovery water outlet.
所述的装置内部采用重力流程实现油水分离。所述的罐体为密闭容器，内部充满氮气。所述的石墨烯基网膜14具有亲水疏油的特性，且向下倾斜设置，倾斜角为15-45°。The inside of the device adopts gravity process to realize oil-water separation. The tank body is an airtight container filled with nitrogen gas. The graphene-based mesh 14 has the characteristics of hydrophilic and oleophobic, and is arranged inclined downward, with an inclination angle of 15-45°.
根据不同的进水水质情况以及出水水质要求增加或减少石墨烯基网膜14产水结构串联的级数。也可以通过改变各级产水腔13之间管路的连接方式，将装置内多级串联的石墨烯基网膜14改为并联的关系。Increase or decrease the number of stages connected in series of the graphene-based mesh membrane 14 water-producing structures according to different influent water quality conditions and effluent water quality requirements. It is also possible to change the multi-stage series-connected graphene-based membranes 14 in the device into a parallel relationship by changing the connection mode of the pipelines between the water-producing chambers 13 at all levels.
所述装置设有自控系统，实现罐体内部氮气压力的控制；根据来水流量的大小实现各阀门的自动调节，实现定期自动清洗。The device is equipped with an automatic control system to realize the control of nitrogen pressure inside the tank; realize automatic adjustment of each valve according to the size of incoming water flow, and realize regular automatic cleaning.
所述装置的进水水质要求为含油量≤300mg/L、悬浮物含量≤100mg/L，该装置的出水水质为含油量≤15mg/L、悬浮物含量≤5mg/L、悬浮物粒径中值≤3.0μm，进入后续过滤装置。The influent water quality requirements of the device are oil content ≤ 300mg/L, suspended solid content ≤ 100mg/L, and the effluent water quality of the device is oil content ≤ 15mg/L, suspended solid content ≤ 5mg/L, suspended solid particle size medium Value ≤ 3.0μm, enter the subsequent filter device.
运行过程中分出的污油排至污水站内的污油池。装置每天进行2次冲洗，每次冲洗时间为10min，冲洗水源采用该装置出水，冲洗后的废水排至污水站内的污水池。The dirty oil separated during operation is discharged to the dirty oil pool in the sewage station. The device performs flushing twice a day, and each flushing time is 10 minutes. The flushing water source uses the device to discharge water, and the waste water after flushing is discharged to the sewage pool in the sewage station.
根据上述方案，进行小试试验，处理能力为3m3/h。小试装置进出水水质见下表：According to the above scheme, a small test was carried out, and the processing capacity was 3m 3 /h. See the table below for the water quality of the water in and out of the small test device:
小试装置进出水水质表
本发明装置采用的石墨烯基网膜14具有亲水疏油、强度高、耐高温、耐污染、耐酸碱洗的特点，不易被油污堵塞，通过定期的冲洗，能够很好的恢复网膜的透水性能。出水水质为含油量≤15mg/L、悬浮物含量≤5mg/L、悬浮物粒径中值≤3.0μm(满足《碎屑岩油藏注水水质推荐指标及分析方法》SY/T 5329-2012中第3级水质要求)。装置的出水可以满足平均空气渗透率大于50×10-3μm2油田的注水水质要求，装置的出水也可以进一步经后端精细处理设施处理后用于低渗油田注水。该装置还可以作为污水资源化处理等深度处理的预处理设施。The graphene-based omentum 14 used in the device of the present invention has the characteristics of hydrophilic and oleophobic, high strength, high temperature resistance, pollution resistance, acid and alkali washing resistance, and is not easy to be blocked by oil stains, and the omentum can be well restored through regular flushing water permeability. The effluent water quality is oil content ≤ 15mg/L, suspended solids content ≤ 5mg/L, and the median particle size of suspended solids ≤ 3.0μm (meets the "recommended indicators and analysis methods for water injection quality in clastic rock reservoirs" SY/T 5329-2012 Class 3 water quality requirements). The effluent from the device can meet the water injection quality requirements of oilfields with an average air permeability greater than 50×10 -3 μm 2 , and the effluent from the device can also be used for low-permeability oilfield water injection after further treatment by back-end fine treatment facilities. The device can also be used as a pretreatment facility for advanced treatment such as sewage resource treatment.
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