CN100336736C - Electrolystic sterilization apparatus for oil field affusion - Google Patents
Electrolystic sterilization apparatus for oil field affusion Download PDFInfo
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- CN100336736C CN100336736C CNB2005100022406A CN200510002240A CN100336736C CN 100336736 C CN100336736 C CN 100336736C CN B2005100022406 A CNB2005100022406 A CN B2005100022406A CN 200510002240 A CN200510002240 A CN 200510002240A CN 100336736 C CN100336736 C CN 100336736C
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Abstract
The present invention relates to a water flooding electrolysis sterilization device for an oil field, which comprises a casing body, a water inlet, a water outlet, a control circuit device, a top outlet valve, a pressure gauge, a safety valve and a bottom sewer valve, wherein fixed negative and positive electrodes and a supporting plate for water to pass are arranged in the casing body, and holes with water passing holes and fixed electrodes are alternately distributed on the supporting plate. A plurality of negative and positive electrodes pass through the supporting plate, and are arranged along a water flow direction, wherein the electrodes with the same polarities are connected in series. The electrodes are made of titanium-base plated ruthenium metal or metal materials which is processed by rare earth metal, and each electrode presents a column shape or a reticulate shape. The control circuit device can exchange the polarities of the negative and positive electrodes at definite time. The device can effectively kill reducing bacteria (SRB), saprophytic bacteria (TGB) and ferrum bacteria (FB), and can effectively electrolyze and sterilize the sewage of the oil field at ordinary pressure. The present invention has the advantages of simple structure and convenient operation, and can avoid the corrosion and the stratum blockage of the device when the return water flooding of the oil field.
Description
Technical field
The present invention relates to a kind of Electrolystic sterilization apparatus for oil field affusion, be used for oilfield sewage is carried out electrolytic sterilizing.
Background technology
Oil field reinjection water is the effective ways that improve oil production rate, but water common salinity in oil field is very high and contain the ion of multiple components, and wherein chloride ion content is not less than 90%.Suitable multiple microorganism existence, for example sulphate reducing bacteria (SRB), saprophytic microorganism (TGB) and iron bacteria (FB) in the water.In the oil field reinjection water system, SRB and TGB and FB grow in a large number, cause equipment corrosion and reservoir choke.So re-injection water must carry out germicidal treatment before injecting the oil field, SRB and TGB, FB are reduced to 10
2Individual/ml.Direct brine electrolysis, making the chlorine of its generation be dissolved in the water and generating the growth that hypochlorous acid suppresses bacterium is a kind of effective ways in the prior art.China's ZL012733962 patents state a kind of high pressure injected water electrolyzing and sterilizing device for oil field, this equipment can only be applicable to the high pressure of 15～25MPa, still unresolved be fit to general oil field condition of water quality and can be under normal pressure the electrolyzing and sterilizing device of reliability service continuously.
Summary of the invention
The purpose of this invention is to provide a kind of can be under 0.1～2.5MPa normal pressure the Electrolystic sterilization apparatus for oil field affusion of steady operation, it can be fit to the condition of water quality in various oil fields and can move reliably continuously.The technical scheme that solves the present technique problem is:
A kind of Electrolystic sterilization apparatus for oil field affusion comprises the wash water valve of vent valve, tensimeter, safety valve and bottom at water shoot, water-in, water outlet and pilot circuit device, the top at housing, metal partion (metp), dividing plate top; It is characterized in that: the back up pad that is provided with the fixed anodic-cathodic in the metal partion (metp) and allows current pass through, the hole of distribute alternately on the back up pad water hole and fixed electorde, several anodic-cathodics pass back up pad and along the water (flow) direction setting, wherein, same sex electrode is connected.
The metallic substance that the material of described manufacturing electrode plates the ruthenium metal or handled with rare earth metal for the titanium base, the cylindrical or netted shape of electrode.
Be provided with and regularly exchange anodic-cathodic polar pilot circuit device, this device has transformer LB, rectifying circuit D, capacitor C, diode DW and time relay J, wherein, connect with inductance L again after the normally closed contact J1 of capacitor C and diode DW and time relay J and the normally opened contact J2 parallel connection.
Described back up pad adopts insulating material polyvinyl chloride, Resins, epoxy to make.
In the technical program, the anodic-cathodic that is provided with along water (flow) direction in the housing is crossed flowing water and is surrounded, when direct current passes through aqueous electrolyte liquid, positively charged positively charged ion is to cathodic migration, electronegative negatively charged ion anode migration, positively charged ion reaches negative electrode and promptly discharges, the result lost with negative charge also become uncharged atom.Because the oilfield sewage salinity is very high, electrolysis overcurrent liquid comes down to the electrolytic chlorine salts solution, and chlorion discharges on anode and becomes the chlorine atom, becomes the chlorine molecule and overflows, be i.e. 2Cl
--2e → 2Cl 2Cl-2e → Cl
2↑ the chlorine that promptly utilizes electrolysis and transformed comes sterilization, and the result of water sampling test shows: SRB bacteria content, TGB bacteria content, FB iron bacteria content all reach ministerial standard, and electrode surface does not have the dirt layer.
The beneficial effect that the present invention obtains is, this equipment can carry out effective electrolytic sterilizing to oilfield sewage under normal pressure, and device structure is simple, easy to operate, when oil field reinjection water, can avoid equipment corrosion and reservoir choke, be fit to various oil fields condition of water quality and also can move reliably continuously.
Below in conjunction with drawings and Examples the present invention is done a detailed description.
Description of drawings
Fig. 1 .a is master's sectional view of the present invention.
Fig. 1 .b is the cross-sectional schematic of inner bag of the present invention.
Fig. 2 .a is the main sectional view of the another kind of embodiment of the present invention.
Fig. 2 .b is the cross-sectional schematic of the another kind of embodiment inner bag of the present invention.
Fig. 3 .a is the plane enlarged diagram of the inner bag back up pad of Fig. 1 of the present invention.
Fig. 3 .b is the plane enlarged diagram of the inner bag back up pad of Fig. 2 of the present invention.
Fig. 4 is the pilot circuit figure of electrode.
Embodiment
With reference to Fig. 1～Fig. 4, Electrolystic sterilization apparatus for oil field affusion of the present invention comprises: housing 2, be positioned at the metal partion (metp) 14 of housing 2, and the wash water valve 12 of vent valve 9, tensimeter 10, safety valve 11 and the bottom at the water shoot 13 at the anodic-cathodic of placing in the dividing plate 4, dividing plate top, intake- outlet 1,6, pilot circuit device 8, top.It is characterized in that: the back up pad 3 that is provided with fixed anodic-cathodic 4 in the metal partion (metp) 14 and allows current pass through, the hole 7 of water hole 5 and fixed electorde 4 distributes alternately on the back up pad 3, several anodic-cathodics 4 pass back up pad 3 and along the water (flow) direction setting, this will help electrode 4 and act on water more fully, wherein, same sex electrode 4 series connection.
Further technical scheme can be: it is the metallic substance that the titanium base plates the ruthenium metal or handled with rare earth metal that the material of making electrode 4 can adopt, electrode 4 best cylindrical or netted shapes, with the contact area of increase electrolytic reaction, and can make electrode 4 reduce foulings.
Further technical scheme can also be: be provided with and regularly exchange anodic-cathodic 4 polar pilot circuit devices 8, this device has transformer LB, rectifying circuit D, capacitor C, diode DW and time relay J, wherein, connect with inductance L again after the normally closed contact J1 of capacitor C and diode DW and time relay J and the normally opened contact J2 parallel connection.
During work, input voltage connects rectifier bridge through transformer LB, again by filtering (inductance L), capacitor C, and voltage stabilizing (Zener diode DW), use on output D.C. regulated power supply power supply road.For time relay J, preferably select to have the time relay J of this function of circulation time-delay, regulate its knob and just can regularly switch negative and positive (positive and negative) polarity of electrode 4 by the selected time, promptly become normally opened contact J2 closure by former normally closed contact J1 closure, normally closed contact J1 breakpoint meanwhile, thus the negative and positive polarity that realizes electrode 4 is switched mutually.Generally can set per 2～12 hours for the cycle, timing automatic (also can manually) is switched the polarity of a yin, yang electrode, to eliminate calcium salt in the sewage and the magnesium salts thin dirt in former cathode surface formation.In addition, the working conditions of this equipment recommendation is: electrode voltage 0～36V, electric current 0～1500A, injection flow 0～5800m
3/ d.
Described back up pad 3 can adopt insulating material to make, as: polyvinyl chloride, Resins, epoxy etc.
Claims (4)
1, a kind of Electrolystic sterilization apparatus for oil field affusion comprises the wash water valve (12) of vent valve (9), tensimeter (10), safety valve (11) and bottom at water shoot (13), water-in (1), water outlet (6) and pilot circuit device (8), the top at housing (2), metal partion (metp) (14), dividing plate top; It is characterized in that: the back up pad (3) that is provided with fixed anodic-cathodic (4) in the metal partion (metp) (14) and allows current pass through, the hole (7) of water hole (5) and fixed electorde (4) distributes alternately on the back up pad (3), several anodic-cathodics (4) pass back up pad (3) and along the water (flow) direction setting, wherein, same sex electrode series connection.
2, Electrolystic sterilization apparatus for oil field affusion according to claim 1 is characterized in that: the metallic substance that the material of described manufacturing electrode (4) plates the ruthenium metal or handled with rare earth metal for the titanium base, the cylindrical or netted shape of electrode (4).
3, Electrolystic sterilization apparatus for oil field affusion according to claim 1 and 2, it is characterized in that: be provided with and regularly exchange anodic-cathodic (4) polar pilot circuit device (8), this device has transformer (LB), rectifying circuit (D), electric capacity (C), diode (DW) and the time relay (J), wherein, connect with inductance (L) again after the normally closed contact J1 of electric capacity (C) and diode (DW) and the time relay (J) and the normally opened contact J2 parallel connection.
4. Electrolystic sterilization apparatus for oil field affusion according to claim 1 and 2 is characterized in that: described back up pad (3) adopts insulating material polyvinyl chloride, Resins, epoxy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100022406A CN100336736C (en) | 2005-01-18 | 2005-01-18 | Electrolystic sterilization apparatus for oil field affusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100022406A CN100336736C (en) | 2005-01-18 | 2005-01-18 | Electrolystic sterilization apparatus for oil field affusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1800041A CN1800041A (en) | 2006-07-12 |
| CN100336736C true CN100336736C (en) | 2007-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100022406A Active CN100336736C (en) | 2005-01-18 | 2005-01-18 | Electrolystic sterilization apparatus for oil field affusion |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070222A (en) * | 2011-03-08 | 2011-05-25 | 广州金川环保设备有限公司 | Method and device for pre-treating oil field sewage by ultrasonic oxidation united with electrochemical oxidation |
| CN103141430B (en) * | 2013-03-29 | 2014-08-13 | 宁忠斌 | Tri-polar dual-circulation seawater purifying aerator |
| CN103997030A (en) * | 2014-06-12 | 2014-08-20 | 李永睦 | Anti-creeping device preventing electric shock |
| CN108503013B (en) * | 2018-04-03 | 2021-09-10 | 海际油浮(芜湖)能源科技有限公司 | Chemical-free sterilization process method and device for oilfield reinjection water |
| CN109052753B (en) * | 2018-08-31 | 2022-05-06 | 青岛双瑞海洋环境工程股份有限公司 | Reinjection water treatment system and reinjection water treatment method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183181Y (en) * | 1994-04-07 | 1994-11-23 | 董利臣 | Micro low-pressure disinfectant generator |
| CN2477622Y (en) * | 2001-03-04 | 2002-02-20 | 刘享益 | Electrolytic sterilizer for drinking water |
| CN2501874Y (en) * | 2001-12-14 | 2002-07-24 | 武汉科技大学 | High pressure waterfloording electrolysis sterilization equipment for oil field |
| CN2764394Y (en) * | 2005-02-06 | 2006-03-15 | 浙江帅康电气股份有限公司 | Modified disinfection cabinet |
-
2005
- 2005-01-18 CN CNB2005100022406A patent/CN100336736C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183181Y (en) * | 1994-04-07 | 1994-11-23 | 董利臣 | Micro low-pressure disinfectant generator |
| CN2477622Y (en) * | 2001-03-04 | 2002-02-20 | 刘享益 | Electrolytic sterilizer for drinking water |
| CN2501874Y (en) * | 2001-12-14 | 2002-07-24 | 武汉科技大学 | High pressure waterfloording electrolysis sterilization equipment for oil field |
| CN2764394Y (en) * | 2005-02-06 | 2006-03-15 | 浙江帅康电气股份有限公司 | Modified disinfection cabinet |
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| Publication number | Publication date |
|---|---|
| CN1800041A (en) | 2006-07-12 |
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