CN202931227U - Crude oil electric dehydration high voltage fast pulse power supply device - Google Patents
Crude oil electric dehydration high voltage fast pulse power supply device Download PDFInfo
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- CN202931227U CN202931227U CN 201220693899 CN201220693899U CN202931227U CN 202931227 U CN202931227 U CN 202931227U CN 201220693899 CN201220693899 CN 201220693899 CN 201220693899 U CN201220693899 U CN 201220693899U CN 202931227 U CN202931227 U CN 202931227U
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Abstract
The utility model provides a crude oil electric dehydration high voltage fast pulse power supply device, and relates to a crude oil electric dehydration high voltage fast pulse power supply device so as to solve problems that continuous discharge is carried out between high pressure dehydration electrodes in a crude oil electric dehydration process, a high voltage dehydration electric field collapses and a high voltage power supply device capacity requirement is increased. Low voltage alternating current is regulated and limited and then is subjected to boost by a high-voltage transformer, tow paths of high voltage outputs of the high-voltage transformer are subjected to two high voltage silicon stack rectification to form high voltage direct current with positive and negative polarities, and the high voltage direct current is outputted to a high voltage fast pulse unit. A microcomputer control unit judges whether water ripple is formed in a dehydration electrode according to voltage and current monitoring values and controls the switching of the high voltage fast pulse unit. In a normal dehydration condition, the high voltage fast pulse unit outputs positive and negative polarity direct current, when the water ripple exists to cause short circuit, the high voltage fast pulse unit applies intermittent high voltage large current pulse to a load until the water ripple is opened, and an electric field in a dehydration container is recovered. The crude oil electric dehydration high voltage fast pulse power supply device is applied to the process of crude oil processing.
Description
Technical field
The utility model relates to a kind of electric supply installation, is specifically related to crude oil electric dewatering high pressure fast pulse electric supply installation.
Background technology
The dehydration of crude oil is an important step in Crude Oil Processing, and electricity, chemical dehydration method are adopted in each oil field more at present, and institute's making alive is industrial frequency AC or high direct voltage, and supply power mode generally has the dehydration of interchange, direct current dehydration and alternating current-direct current dehydration.Along with the oil field enters the high water-cut stage mining phase, each oil recovery factory generally uses tertiary oil recovery technology.In the electric dehydration process of ternary composite oil-displacing, owing to having added alkali/Surfactant/Polymer ternary combination, the increase of crude oil conductivity, viscosity are strengthened, thereby the difficulty of the dehydration of crude oil is increased.These materials easily adhere on the insulated tension pole of dewatering container, thereby cause in the easily long-term stable creeping discharge of generation of insulating device surface.Simultaneously, water droplet in crude oil is easy to form stable water ripples under electric field action, to cause continuous discharge when the water ripples develops into when running through two electrodes, the existence of this discharge has destroyed the foundation of dewatering container inner high voltage electric field, has also increased the problems such as capacity of dehydration power supply simultaneously.
The utility model content
In existing crude oil electric dewatering process, the formation due to the water ripples causes the interelectrode continuous discharge of high press-dehydrating to the utility model in order to solve, and cause thus collapsing and problem that the high voltage power supply device capacity requirement increases of high pressure dewatering electric field, thereby crude oil electric dewatering high pressure fast pulse electric supply installation has been proposed.
Crude oil electric dewatering high pressure fast pulse electric supply installation, it comprises switching pressure regulation performance element, voltage sensor, current limiting reactor, high-tension transformer, the first high voltage silicon stack, the first current-limiting resistance, the first high-voltage capacitor, high pressure fast pulse unit, the second high voltage silicon stack, the second current-limiting resistance, the second high-voltage capacitor, current sensor and microcomputer control unit
A voltage output end of described switching pressure regulation performance element is connected with an end of current limiting reactor, the other end of this current limiting reactor is connected with an end of the primary coil of high-tension transformer, and the other end of the primary coil of this high-tension transformer is connected with another voltage output end of switching pressure regulation performance element; Voltage sensor is for detection of the voltage signal between two voltage output ends of switching pressure regulation performance element, and this voltage signal is exported to the voltage signal input of microcomputer control unit; Current sensor is for detection of the current signal of switching pressure regulation performance element output, and this current signal exports to the current signal input of microcomputer control unit,
One end of the secondary coil of high-tension transformer is connected with the positive pole of the first high voltage silicon stack, the negative pole of this first high voltage silicon stack is connected with an end of the first current-limiting resistance, and the other end of this first current-limiting resistance is connected in node a1 with the positive polarity dc voltage input end of an end of the first high-voltage capacitor and high pressure fast pulse unit simultaneously;
The other end of the secondary coil of high-tension transformer is connected with the negative pole of the second high voltage silicon stack, the positive pole of this second high voltage silicon stack is connected with an end of the second current-limiting resistance, the other end of this second current-limiting resistance is connected in node a2 with the negative polarity dc voltage input end of an end of the second high-voltage capacitor and high pressure fast pulse unit simultaneously, and the high pressure fast pulse anodal dc voltage output end HV+ in unit, negative pole dc voltage output end HV-and direct voltage ground GND output are the load link;
The centre tap of the secondary coil of high-tension transformer is connected simultaneously the power supply ground of input direct voltage and is connected with high pressure fast pulse unit with the other end of the other end of the first high-voltage capacitor, the second high-voltage capacitor;
The a pair of both positive and negative polarity high pressure break-make control signal output of microcomputer control unit is connected with a pair of both positive and negative polarity high pressure break-make control signal input of high pressure fast pulse unit,
The a pair of both positive and negative polarity Regulation Control signal output part of microcomputer control unit is connected with a pair of both positive and negative polarity Regulation Control signal input part of switching pressure regulation performance element,
The a pair of both positive and negative polarity overcurrent protection signal output part of microcomputer control unit is connected with a pair of both positive and negative polarity overcurrent protection control signal input of switching pressure regulation performance element.
Crude oil electric dewatering high pressure fast pulse electric supply installation described in the utility model is used for high voltage direct current that crude oil electric dewatering uses and the high voltage power supply device of high pressure fast pulse timesharing alternation, with the formation of stablizing the conductivity water ripples in effective elimination crude oil electric dewatering process, prevent continuous discharge, avoided having reached because of the collapsing and phenomenon that the high voltage power supply device capacity requirement increases of high pressure dewatering electric field the purpose that guarantees the Establishment of Stable of high pressure dewatering electric field.
Description of drawings
Fig. 1 is the electrical principle schematic diagram of crude oil electric dewatering high pressure fast pulse electric supply installation;
Fig. 2 is the electrical schematic diagram of high pressure fast pulse unit;
Fig. 3 is the internal structure schematic diagram of high pressure fast pulse unit.
Embodiment
Embodiment one, illustrate present embodiment in conjunction with Fig. 1, the described crude oil electric dewatering high pressure of present embodiment fast pulse electric supply installation, it comprises switching pressure regulation performance element 1, voltage sensor 2, current limiting reactor 3, high-tension transformer 4, the first high voltage silicon stack 5, the first current-limiting resistance 6, the first high-voltage capacitor 7, high pressure fast pulse unit 8, the second high voltage silicon stack 9, the second current-limiting resistance 10, the second high-voltage capacitor 11, current sensor 12 and microcomputer control unit 13
A voltage output end of described switching pressure regulation performance element 1 is connected with an end of current limiting reactor 3, the other end of this current limiting reactor 3 is connected with an end of the primary coil of high-tension transformer 4, and the other end of the primary coil of this high-tension transformer 4 is connected with switching pressure regulation performance element 1 another voltage output end; Voltage sensor 2 is for detection of the voltage signal between two voltage output ends of switching pressure regulation performance element 1, and this voltage signal is exported to the voltage signal input of microcomputer control unit 13; Current sensor 12 is for detection of the current signal of switching pressure regulation performance element 1 output, and this current signal exports to the current signal input of microcomputer control unit 13,
One end of the secondary coil of high-tension transformer 4 is connected with the positive pole of the first high voltage silicon stack 5, the negative pole of this first high voltage silicon stack 5 is connected with an end of the first current-limiting resistance 6, and the other end of this first current-limiting resistance 6 is connected in node a1 with the positive polarity dc voltage input end of an end of the first high-voltage capacitor 7 and high pressure fast pulse unit 8 simultaneously;
The other end of the secondary coil of high-tension transformer 4 is connected with the negative pole of the second high voltage silicon stack 9, the positive pole of this second high voltage silicon stack 9 is connected with an end of the second current-limiting resistance 10, the other end of this second current-limiting resistance 10 is connected in node a2 with the negative polarity dc voltage input end of an end of the second high-voltage capacitor 11 and high pressure fast pulse unit 8 simultaneously, and high pressure fast pulse unit 8 anodal dc voltage output end HV+, negative pole dc voltage output end HV-and direct voltage ground GND output are the load link;
The power supply ground of the input direct voltage that the centre tap of the secondary coil of high-tension transformer 4 is connected with high pressure fast pulse unit with the other end of the other end of the first high-voltage capacitor 7, the second high-voltage capacitor 11 simultaneously is connected;
The a pair of both positive and negative polarity high pressure break-make control signal output of microcomputer control unit 13 is connected with a pair of both positive and negative polarity high pressure break-make control signal input of high pressure fast pulse unit 8,
The a pair of both positive and negative polarity Regulation Control signal output part of microcomputer control unit 13 is connected with a pair of both positive and negative polarity Regulation Control signal input part of switching pressure regulation performance element 1,
The a pair of both positive and negative polarity overcurrent protection signal output part of microcomputer control unit 13 is connected with a pair of both positive and negative polarity overcurrent protection control signal input of switching pressure regulation performance element 1.
The beneficial effect of present embodiment is: eliminate the formation of stablizing the conductivity water ripples in dehydrator by the intermittent high-pressure Fast pulsed discharge, guarantee the Establishment of Stable of dewatering electric field, improve electrical oil dewatering water quality and efficient, and reduce the capacity of dehydration electric supply installation.
Embodiment two, illustrate present embodiment in conjunction with Fig. 2, the difference of present embodiment and the described crude oil electric dewatering high pressure of embodiment one fast pulse electric supply installation is, high pressure fast pulse unit 8 comprises third high piezoelectricity container 8-10, the first electromagnetic relay, the 4th high-voltage capacitor 8-11 and the second electromagnetic relay, and described the first electromagnetic relay comprises the normal open switch 8-4 of the first electromagnetic relay and the coil 8-12 of the first electromagnetic relay; The second electromagnetic relay comprises the normal open switch 8-5 of the second electromagnetic relay and the coil 8-13 of the second electromagnetic relay,
The end of the end of described third high piezoelectricity container 8-10 and the normal open switch 8-4 of the first electromagnetic relay is connected in node a1, the other end of the normal open switch 8-4 of this first electromagnetic relay is connected with anodal dc voltage output end HV+, and the two ends after the coil 8-13 parallel connection of the coil 8-12 of the first electromagnetic relay and the second electromagnetic relay are connected with a pair of both positive and negative polarity high pressure break-make output of microcomputer control unit 13 as a pair of both positive and negative polarity high pressure break-make input of high pressure fast pulse unit 8;
The end of the end of the 4th high-voltage capacitor 8-11 and the normal open switch 8-5 of the second electromagnetic relay is connected in node a2, and the other end of the normal open switch 8-5 of this second electromagnetic relay is connected with negative pole dc voltage output end HV-;
The other end of third high piezoelectricity container 8-10 is connected with direct voltage ground GND output with the other end of the 4th high-voltage capacitor 8-11 simultaneously.
Operation principle of the present utility model is:
single phase alternating current (A.C.) voltage AC220 carries out delivering to current limiting reactor 3 after pressure regulation and switching control through switching pressure regulation performance element 1, then export high-tension transformer 4 to low pressure is boosted to the required ac high-voltage of dehydration, high-tension transformer 4 secondary coils adopt the double winding centre tap ground connection mode of connection, its two-way High voltage output is received respectively the first high voltage silicon stack 5 and the second high voltage silicon stack 9, the first high voltage silicon stack 5 becomes the positive polarity direct current with AC rectification and charges through 6 pairs of the first high-voltage capacitors 7 of the first current-limiting resistance, the second high voltage silicon stack 9 becomes the negative polarity direct current with AC rectification and charges through 10 pairs of the second high-voltage capacitors 11 of the second current-limiting resistance, this just, the negative polarity high direct voltage inputs to high pressure fast pulse unit 8.The output of microcomputer control unit 13 is controlled switching high pressure performance element 1 and high pressure fast pulse unit 8 respectively, and by voltage sensor 2(VT) and current sensor 12(CT) respectively the voltage and current of main current supply circuit carried out Real-Time Monitoring, judge according to the voltage and current monitor value whether high press-dehydrating electrode has the short circuit that forms between high-field electrode due to the water ripples to exist.utilize microcomputer control unit 13 to control the normal open switch of two electromagnetic relays of 8 inside, high pressure fast pulse unit when existing without short circuit, make high pressure fast pulse unit 8 output high-voltage dc voltages, when having short circuit, microcomputer control unit 13 sends instruction, the high voltage direct current power supply of disconnection to dehydration of crude oil container, and the high-voltage capacitor (8-10 and 8-11 in Fig. 3) of 8 inside, high pressure fast pulse unit is charged, after being full of voltage, high-voltage capacitor (8-10 and 8-11 in Fig. 3) controls the control electricity that switching pressure regulation performance element 1 cuts off major loop, and control normal open switch (8-4 and 8-5 in Fig. 3) closure of 8 inside, high pressure fast pulse unit, the energy that high-voltage capacitor this moment (8-10 and 8-11 in Fig. 3) stores by high-voltage switch gear to load discharge, utilize the large electric current of high-energy-density of discharge generation, short circuit water ripples in the dehydration electrode is washed open, and make the electric field in dewatering container obtain again recovering and foundation, to guarantee that high voltage power supply device is to stable power-supplying and the dehydration of dehydration capacity.
As shown in Figure 3, the internal structure of high pressure fast pulse unit is switch installation board 8-1, anodal high-voltage terminal end 8-2, negative pole high-voltage terminal end 8-3, the first electromagnetic relay, the second electromagnetic relay, positive extra-high voltage end of incoming cables 8-6, negative pole high pressure end of incoming cables 8-7, the first high pressure pull bar 8-8, the second high pressure pull bar 8-9, third high piezoelectricity container 8-10, the 4th high-voltage capacitor 8-11 and mounting base 8-14
The lower surface of switch installation board 8-1 is fixed in the upper end of the upper end of the normal open switch 8-4 of the first electromagnetic relay and the normal open switch 8-5 of the second electromagnetic relay, and anodal high-voltage terminal end 8-2 and negative pole high-voltage terminal end 8-3 are positioned at the upper surface of switch installation board 8-1,
the normal open switch 8-5 high-voltage contact of the normal open switch 8-4 of the first electromagnetic relay and the second electromagnetic relay is closed under normal circumstances, positive and negative polarity high pressure is introduced by positive extra-high voltage end of incoming cables 8-6 and negative pole high pressure end of incoming cables 8-7, and is connected to load by anodal high-voltage terminal end 8-2 and negative pole high-voltage terminal end 8-3 output, when there is the water ripples in the dehydration electrode, the coil 8-12 of the first electromagnetic relay and the coil 8-13 of the second electromagnetic relay action, the normal open switch 8-4 of the first electromagnetic relay and the normal open switch 8-5 high-voltage contact of the second electromagnetic relay are disconnected, this moment, High voltage output was cut off, the positive-negative polarity high pressure of input charges to third high piezoelectricity container 8-10 and the 4th high-voltage capacitor 8-11 respectively, pulse capacitor is full of the coil 8-12 of rear the first electromagnetic relay of electricity and the coil 8-13 of the second electromagnetic relay is flicked by control, drive the normal open switch 8-5 closure of normal open switch 8-4 and second electromagnetic relay of the first electromagnetic relay, pulse capacitor forms positive-negative polarity high pressure fast pulse by high-voltage switch gear to load discharge.
Claims (2)
1. crude oil electric dewatering high pressure fast pulse electric supply installation, it is characterized in that, it comprises switching pressure regulation performance element (1), voltage sensor (2), current limiting reactor (3), high-tension transformer (4), the first high voltage silicon stack (5), the first current-limiting resistance (6), the first high-voltage capacitor (7), high pressure fast pulse unit (8), the second high voltage silicon stack (9), the second current-limiting resistance (10), the second high-voltage capacitor (11), current sensor (12) and microcomputer control unit (13)
A voltage output end of described switching pressure regulation performance element (1) is connected with an end of current limiting reactor (3), the other end of this current limiting reactor (3) is connected with an end of the primary coil of high-tension transformer (4), and the other end of the primary coil of this high-tension transformer (4) is connected with another voltage output end of switching pressure regulation performance element (1); Voltage sensor (2) is for detection of the voltage signal between two voltage output ends of switching pressure regulation performance element (1), and this voltage signal is exported to the voltage signal input of microcomputer control unit (13); Current sensor (12) is for detection of the current signal of switching pressure regulation performance element (1) output, and this current signal exports to the current signal input of microcomputer control unit (13),
One end of the secondary coil of high-tension transformer (4) is connected with the positive pole of the first high voltage silicon stack (5), the negative pole of this first high voltage silicon stack (5) is connected with an end of the first current-limiting resistance (6), and the other end of this first current-limiting resistance (6) is connected in node a1 with an end of the first high-voltage capacitor (7) and the positive polarity dc voltage input end of high pressure fast pulse unit (8) simultaneously;
The other end of the secondary coil of high-tension transformer (4) is connected with the negative pole of the second high voltage silicon stack (9), the positive pole of this second high voltage silicon stack (9) is connected with an end of the second current-limiting resistance (10), the other end of this second current-limiting resistance (10) is connected in node a2 with an end of the second high-voltage capacitor (11) and the negative polarity dc voltage input end of high pressure fast pulse unit (8) simultaneously, and the anodal dc voltage output end HV+ in high pressure fast pulse unit (8), negative pole dc voltage output end HV-and direct voltage ground GND output are the load link;
The centre tap of the secondary coil of high-tension transformer (4) is connected 8 with the other end of the other end of the first high-voltage capacitor (7), the second high-voltage capacitor (11) with high pressure fast pulse unit simultaneously) the power supply ground of input direct voltage be connected;
The a pair of both positive and negative polarity high pressure break-make control signal output of microcomputer control unit (13) is connected with a pair of both positive and negative polarity high pressure break-make control signal input of high pressure fast pulse unit (8),
The a pair of both positive and negative polarity Regulation Control signal output part of microcomputer control unit (13) is connected with a pair of both positive and negative polarity Regulation Control signal input part of switching pressure regulation performance element (1),
The a pair of both positive and negative polarity overcurrent protection signal output part of microcomputer control unit (13) is connected with a pair of both positive and negative polarity overcurrent protection control signal input of switching pressure regulation performance element (1).
2. crude oil electric dewatering high pressure fast pulse electric supply installation according to claim 1, it is characterized in that: high pressure fast pulse unit (8) comprises third high piezoelectricity container (8-10), the first electromagnetic relay, the 4th high-voltage capacitor (8-11) and the second electromagnetic relay, and described the first electromagnetic relay comprises the normal open switch (8-4) of the first electromagnetic relay and the coil (8-12) of the first electromagnetic relay; The second electromagnetic relay comprises the normal open switch (8-5) of the second electromagnetic relay and the coil (8-13) of the second electromagnetic relay,
One end of the normal open switch (8-4) of one end of described third high piezoelectricity container (8-10) and the first electromagnetic relay is connected in node a1, the other end of the normal open switch of this first electromagnetic relay (8-4) is connected with anodal dc voltage output end HV+, and the two ends after coil (8-13) parallel connection of the coil of the first electromagnetic relay (8-12) and the second electromagnetic relay are connected with a pair of both positive and negative polarity high pressure break-make output of microcomputer control unit (13) as a pair of both positive and negative polarity high pressure break-make input of high pressure fast pulse unit (8);
One end of the normal open switch (8-5) of one end of the 4th high-voltage capacitor (8-11) and the second electromagnetic relay is connected in node a2, and the other end of the normal open switch of this second electromagnetic relay (8-5) is connected with negative pole dc voltage output end HV-;
The other end of third high piezoelectricity container (8-10) is connected with direct voltage ground GND output with the other end of the 4th high-voltage capacitor (8-11) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220693899 CN202931227U (en) | 2012-12-14 | 2012-12-14 | Crude oil electric dehydration high voltage fast pulse power supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220693899 CN202931227U (en) | 2012-12-14 | 2012-12-14 | Crude oil electric dehydration high voltage fast pulse power supply device |
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| CN202931227U true CN202931227U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220693899 Expired - Fee Related CN202931227U (en) | 2012-12-14 | 2012-12-14 | Crude oil electric dehydration high voltage fast pulse power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2012
- 2012-12-14 CN CN 201220693899 patent/CN202931227U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023367A (en) * | 2012-12-14 | 2013-04-03 | 哈尔滨理工大学 | Crude oil electric dehydration high voltage power supply device |
| CN103023367B (en) * | 2012-12-14 | 2016-12-21 | 哈尔滨理工大学 | Crude oil electric dehydration |
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Granted publication date: 20130508 Termination date: 20151214 |
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