CN103614158A - High-frequency impulse dehydrating and power supplying combination device with anti-short circuit impact self-recovering mode - Google Patents
High-frequency impulse dehydrating and power supplying combination device with anti-short circuit impact self-recovering mode Download PDFInfo
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- CN103614158A CN103614158A CN201310611438.9A CN201310611438A CN103614158A CN 103614158 A CN103614158 A CN 103614158A CN 201310611438 A CN201310611438 A CN 201310611438A CN 103614158 A CN103614158 A CN 103614158A
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Abstract
The invention relates to an anti-short circuit impact self-recovering mode high-frequency impulse dehydrating and power supplying combination device which is mainly used for solving the problems of a big control current, an unstable high-voltage electric field and long restoring time of a dehydrating electric field of the existing electrical dehydrating device. The input end of a power frequency rectifying unit (1) is respectively connected with an AC380V power supply, the output end of the power frequency rectifying unit (1) is connected with the input end of a high frequency inverter (2) which is connected with the input end of a high-frequency impulse transformer (5) through an electric reactor (3) and a current transformer (4), and the output end of the high-frequency impulse transformer (5) is connected with three inlet wire interfaces of a dehydrating container system (12) through three peak suppressers. The constant current self-recovering high-frequency impulse combination electrode dehydrating device provided by the invention has the characteristics that the functions of constant current and self recovering are achieved, the formation of a stable conductive ripple during the process of electric dehydrating of crude oil can be eliminated effectively, so that a high voltage dehydrating electric field is established stably.
Description
Technical field
The present invention relates to the defeated field of crude oil collection, for dehydrating of crude oil, specifically a kind of Short Circuit withstand impacts self-recovering type high-frequency impulse dehydration power supply combination device.
Background technology
In the defeated field of crude oil collection, electro-dewatering is the last processing links before extraction crude oil exporting, guarantee qualified crude oil exporting and the important leverage that meets the qualified sewage of downstream processing condition is provided, oil field generally adopts friendship at present, direct current compound electric water trap, along with oil field enters high water-cut stage mining phase, particularly Oilfield using is poly-drives, after alkaline surfactant polymer flooding oil-field technology, Produced Liquid viscosity increases, carrying impurity increases, cause crude oil electroconductibility to increase, cause that dehydration current obviously raises, make conventional friendship, the remarkable variation of direct current telegram in reply water trap electric field operation stability, simultaneously, water droplet in crude oil easily forms water ripples under electric field action, cause the frequent generation of electric discharge between battery lead plate, cause the short circuit of dehydration electric supply installation, and cause collapsing of dewatering electric field, thereby it is outer defeated to have a strong impact on crude oil.
Summary of the invention
For solve in background technology, exist in order to solve, the control electric current that traditional electrical dehydration exists is large, high-voltage electric field is unstable, easily short circuit and the problem such as dewatering electric field time of recovery is long between battery lead plate, the present invention proposes the formation of stablizing conductivity water ripples in a kind of effective elimination crude oil electric dewatering process, guarantee the stable of high pressure dewatering electric field, the Short Circuit withstand with constant current and self-recovering function impacts self-recovering type high-frequency impulse dehydration power supply combination device.
The technical solution adopted in the present invention is: industrial frequency rectifying unit input terminus connects AC380V power supply, and industrial frequency rectifying unit output terminal connects high-frequency inversion unit input terminus, high-frequency inversion unit, reactor, high-frequency pulse transformer input terminus, current transformer is connected in series successively, complete loop, high-frequency pulse transformer output terminal respectively with Spike-killers A and high frequency voltage-divider A, Spike-killers B and high frequency voltage-divider B, Spike-killers C and high frequency voltage-divider C are connected in series and form three complete loops, Spike-killers A, Spike-killers B, the output terminal of Spike-killers C connects respectively the explosion-proof HFC interface of high-voltage pulse in dewatering container system, the explosion-proof HFA interface of high-voltage pulse, the explosion-proof HFB interface of high-voltage pulse, high frequency voltage-divider B and high frequency voltage-divider C are also connected on the GND interface of dewatering container system high frequency voltage-divider A, high frequency voltage-divider B, difference ground connection between high frequency voltage-divider C and high-frequency pulse transformer, high frequency voltage-divider A, high frequency voltage-divider B, high frequency voltage-divider C, GND interface connects respectively isolation collecting unit, industrial frequency rectifying unit, high-frequency inversion unit, current transformer, isolation collecting unit is connected on Microcomputer Collecting controller.
In dewatering container system, there is water knockout, there is respectively the explosion-proof HFA interface of high-voltage pulse outside, water knockout top, the explosion-proof HFB interface of high-voltage pulse, the explosion-proof HFC interface of high-voltage pulse, there is liquid-inlet pipe water knockout inside, oil outlet pipe, water shoot, hydrothermal solution pipe, flat extension pole plate and the explosion-proof HFC interface of high-voltage pulse join, the perpendicular pole plate of hanging joins with the explosion-proof HFA interface of high-voltage pulse and the explosion-proof HFB interface of high-voltage pulse respectively, on top crown insulator, terminate on water knockout, under top crown insulator, terminate to perpendicular extension on pole plate, on bottom crown insulator, terminate to perpendicular extension on pole plate, under bottom crown insulator, terminate to flat extension on pole plate.
Liquid-inlet pipe, oil outlet pipe, water shoot, hydrothermal solution pipe have respectively opening on dehydration right side.
The invention has the beneficial effects as follows: owing to having adopted the technical solution adopted in the present invention, effectively eliminate the formation of stablizing conductivity water ripples in crude oil electric dewatering process, guarantee the Establishment of Stable of high pressure dewatering electric field, reduce electro-dewatering voltage and running current, improve electro-dewatering operation stability, improve dehydrating of crude oil quality.
Accompanying drawing explanation
Fig. 1 is schematic circuit diagram of the present invention.
Fig. 2 is dewatering container system diagram of the present invention.
In figure, 1-industrial frequency rectifying unit, 2-high-frequency inversion unit, 3-reactor, 4-current transformer, 5-high-frequency pulse transformer, 6-Spike-killers A, 7-Spike-killers B, 8-Spike-killers C, 9-high frequency voltage-divider A, 10-high frequency voltage-divider B, 11-high frequency voltage-divider C, 12-dewatering container system, 13-isolates collecting unit, the explosion-proof HFA interface of 14-high-voltage pulse, the explosion-proof HFB interface of 15-high-voltage pulse, the explosion-proof HFC interface of 16-high-voltage pulse, 17-bottom crown insulator, the flat pole plate of hanging of 18-, 19-erects utmost point link plate, 20-top crown insulator, 21-water knockout, 22-liquid-inlet pipe, 23-oil outlet pipe, 24-water shoot, 25-hydrothermal solution pipe.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As Fig. 1, shown in Fig. 2, industrial frequency rectifying unit 1 input terminus connects AC380V power supply, and industrial frequency rectifying unit 1 output terminal connects high-frequency inversion unit 2 input terminuss, high-frequency inversion unit 2, reactor 3, high-frequency pulse transformer 5 input terminuss, current transformer 4 is connected in series complete loop successively, three-phase 380V voltage is made into after direct current through industrial frequency rectifying unit 1, by high-frequency inversion unit 2, become high-frequency impulse to be transported to high-frequency pulse transformer 5 by reactor 3 this DC inversion and boost, high-frequency pulse transformer 5 output terminals respectively with Spike-killers A6 and high frequency voltage-divider A9, Spike-killers B7 and high frequency voltage-divider B10, Spike-killers C8 and high frequency voltage-divider C11 are connected in series and form three complete loops, Spike-killers A6, Spike-killers B7, the output terminal of Spike-killers C8 connects respectively the explosion-proof HFC interface 16 of high-voltage pulse in dewatering container system 12, the explosion-proof HFA interface 14 of high-voltage pulse, the explosion-proof HFB interface 15 of high-voltage pulse, high frequency voltage-divider B10 and high frequency voltage-divider C11 are also connected on the GND interface of dewatering container system 12 high frequency voltage-divider A9, high frequency voltage-divider B10, difference ground connection between high frequency voltage-divider C11 and high-frequency pulse transformer 5, high-frequency impulse is exported three road high-voltage pulses after high-frequency pulse transformer 5 boosts, high-voltage pulse Jing San Road, Gai San road Spike-killers outputs to the water knockout 21 tri-explosion-proof inlet wire interfaces in tunnel, give respectively perpendicular hang pole plate 19 and flat extension pole plate 18 power supplies, realize the dehydration to crude oil emulsion between pole plate, high frequency voltage-divider A9, high frequency voltage-divider B10, high frequency voltage-divider C11, GND interface connects respectively isolation collecting unit 13, industrial frequency rectifying unit 1, high-frequency inversion unit 2, current transformer 4, isolation collecting unit 13 is connected on Microcomputer Collecting controller.
In dewatering container system 12, there is water knockout 21, there is respectively the explosion-proof HFA interface 14 of high-voltage pulse water knockout 21 outsides, top, the explosion-proof HFB interface 15 of high-voltage pulse, the explosion-proof HFC interface 16 of high-voltage pulse, there is liquid-inlet pipe 22 water knockout 21 inside, oil outlet pipe 23, water shoot 24, hydrothermal solution pipe 25, the flat pole plate 18 of hanging joins with the explosion-proof HFC interface 16 of high-voltage pulse, the perpendicular pole plate 19 of hanging joins with the explosion-proof HFA interface 14 of high-voltage pulse and the explosion-proof HFB interface 15 of high-voltage pulse respectively, on top crown insulator 20, terminate on water knockout 21, top crown insulator terminates to perpendicular extension on pole plate 19 for 20 times, play perpendicular battery lead plate 19 and the insulating effect hung of solid, on bottom crown insulator 17, terminate to perpendicular extension on pole plate 19, bottom crown insulator terminates to flat extension on pole plate 18 for 17 times, play flat battery lead plate 18 and the insulating effect hung of solid.
Liquid-inlet pipe 22, oil outlet pipe 23, water shoot 24, hydrothermal solution pipe 25 have respectively opening on water knockout 21 right sides.
During work, three-phase 380V voltage is made into after direct current through industrial frequency rectifying unit 1, by high-frequency inversion unit 2, becoming high-frequency impulse to be transported to high-frequency pulse transformer 5 by reactor 3 this DC inversion boosts, high-frequency impulse is exported three road high-voltage pulses after transformer 5 boosts, high-voltage pulse Jing San Road, Gai San road Spike-killers outputs to the water knockout 21 tri-explosion-proof inlet wire interfaces in tunnel, give respectively perpendicular hang pole plate 19 and flat extension pole plate 18 power supplies, realize the dehydration to crude oil emulsion between pole plate.
High-frequency pulse transformer 5 output three road high-frequency pulse voltages carry out dividing potential drop by high frequency voltage-divider A9, high frequency voltage-divider B10 and high-frequency impulse voltage-divider C11 respectively, then the signal after dividing potential drop is delivered to respectively to VI1, VI2 and the VI3 input terminus of isolation collecting unit 13, this isolation collecting unit 13 is realized conditioning and the analog to digital conversion of pulse voltage, then through optocoupler, signal is passed through to input terminus HVc+ and the input terminus HVc-of output terminal VO+ and output terminal VO-Microcomputer Collecting controller.
Low pressure main circuit current transforms through current transformer 4, the heavy current pulse signal of master loop is changed into little current pulse signal, then give the collection that Microcomputer Collecting controller completes paired pulses current signal, Microcomputer Collecting controller export respectively control signal RCT+ and RCT-to industrial frequency rectifying unit 1, output control signal PCT+ and PCT-be to high-frequency inversion unit 2, the automatic control of realization to device master loop outward current, output voltage, frequency and dutycycle, thus realize the constant current-supplying of dewatering unit and the automatic recovery of water knockout internal electric field is controlled.
Claims (3)
1. Short Circuit withstand impacts a self-recovering type high-frequency impulse dehydration power supply combination device, comprises industrial frequency rectifying unit (1), high-frequency inversion unit (2), reactor (3), current transformer (4), high-frequency pulse transformer (5), Spike-killers A(6), Spike-killers B(7), Spike-killers C(8), high frequency voltage-divider A(9), high frequency voltage-divider B(10), high frequency voltage-divider C(11), dewatering container system (12), isolation collecting unit (13) is characterized in that: industrial frequency rectifying unit (1) input terminus connects AC380V power supply, and industrial frequency rectifying unit (1) output terminal connects high-frequency inversion unit (2) input terminus, high-frequency inversion unit (2), reactor (3), high-frequency pulse transformer (5) input terminus, current transformer (4) is connected in series successively, complete loop, high-frequency pulse transformer (5) output terminal respectively with Spike-killers A(6) and high frequency voltage-divider A(9), Spike-killers B(7) and high frequency voltage-divider B(10), Spike-killers C(8) and high frequency voltage-divider C(11) be connected in series form three complete loops, Spike-killers A(6), Spike-killers B(7), Spike-killers C(8) output terminal connects respectively the explosion-proof HFC interface of high-voltage pulse (16) in dewatering container system (12), the explosion-proof HFA interface of high-voltage pulse (14), the explosion-proof HFB interface of high-voltage pulse (15), high frequency voltage-divider B(10) and high frequency voltage-divider C(11) and be connected on the GND interface of dewatering container system (12) high frequency voltage-divider A(9), high frequency voltage-divider B(10), high frequency voltage-divider C(11) ground connection respectively and between high-frequency pulse transformer (5), high frequency voltage-divider A(9), high frequency voltage-divider B(10), high frequency voltage-divider C(11), GND interface connects respectively isolation collecting unit (13), industrial frequency rectifying unit (1), high-frequency inversion unit (2), current transformer (4), isolation collecting unit (13) is connected on Microcomputer Collecting controller.
2. Short Circuit withstand according to claim 1 impacts self-recovering type high-frequency impulse dehydration power supply combination device, it is characterized in that: in dewatering container system (12), have water knockout (21), there is respectively the explosion-proof HFA interface of high-voltage pulse (14) outside, water knockout (21) top, the explosion-proof HFB interface of high-voltage pulse (15), the explosion-proof HFC interface of high-voltage pulse (16), there is liquid-inlet pipe (22) water knockout (21) inside, oil outlet pipe (23), water shoot (24), hydrothermal solution pipe (25), the flat pole plate (18) of hanging joins with the explosion-proof HFC interface of high-voltage pulse (16), the perpendicular pole plate (19) of hanging joins with the explosion-proof HFA interface of high-voltage pulse (14) and the explosion-proof HFB interface of high-voltage pulse (15) respectively, on top crown insulator (20), terminate on water knockout (21), under top crown insulator (20), terminate to perpendicular extension on pole plate (19), on bottom crown insulator (17), terminate to perpendicular extension on pole plate (19), under bottom crown insulator (17), terminate to flat extension on pole plate (18).
3. constant current according to claim 2, from recovering high-frequency impulse compound electrode dewatering unit, is characterized in that: liquid-inlet pipe (22), oil outlet pipe (23), water shoot (24), hydrothermal solution pipe (25) have respectively opening on water knockout (21) right side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310611438.9A CN103614158B (en) | 2013-11-26 | 2013-11-26 | Short Circuit withstand impacts self-recovering type high-frequency impulse dehydration power supply combination device |
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| CN201310611438.9A CN103614158B (en) | 2013-11-26 | 2013-11-26 | Short Circuit withstand impacts self-recovering type high-frequency impulse dehydration power supply combination device |
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| CN103614158B CN103614158B (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978393A (en) * | 2015-11-26 | 2016-09-28 | 中国石油天然气股份有限公司 | High-impedance alternating current and direct current superposition high-voltage power supply device for crude oil electric dehydration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020079248A1 (en) * | 2000-06-27 | 2002-06-27 | Steve Kresnyak | Method of removing water and contaminants from crude oil containing same |
| CN202346975U (en) * | 2011-12-12 | 2012-07-25 | 中国石油天然气股份有限公司 | Efficient pulse electric dehydration device of combined pore plate electrode |
| CN103023367A (en) * | 2012-12-14 | 2013-04-03 | 哈尔滨理工大学 | Crude oil electric dehydration high voltage power supply device |
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2013
- 2013-11-26 CN CN201310611438.9A patent/CN103614158B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020079248A1 (en) * | 2000-06-27 | 2002-06-27 | Steve Kresnyak | Method of removing water and contaminants from crude oil containing same |
| CN202346975U (en) * | 2011-12-12 | 2012-07-25 | 中国石油天然气股份有限公司 | Efficient pulse electric dehydration device of combined pore plate electrode |
| CN103023367A (en) * | 2012-12-14 | 2013-04-03 | 哈尔滨理工大学 | Crude oil electric dehydration high voltage power supply device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978393A (en) * | 2015-11-26 | 2016-09-28 | 中国石油天然气股份有限公司 | High-impedance alternating current and direct current superposition high-voltage power supply device for crude oil electric dehydration |
| CN105978393B (en) * | 2015-11-26 | 2019-05-21 | 中国石油天然气股份有限公司 | A kind of crude oil electric dewatering high impedance alternating current-direct current superposition high voltage power supply device |
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