CN203708138U - High-frequency pulse crude oil electric dehydration complete set power supply device - Google Patents
High-frequency pulse crude oil electric dehydration complete set power supply device Download PDFInfo
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- CN203708138U CN203708138U CN201420018636.4U CN201420018636U CN203708138U CN 203708138 U CN203708138 U CN 203708138U CN 201420018636 U CN201420018636 U CN 201420018636U CN 203708138 U CN203708138 U CN 203708138U
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Abstract
The utility model relates to a high-frequency pulse crude oil electric dehydration complete set power supply device. The high-frequency pulse crude oil electric dehydration complete set power supply device includes a three-phase silicon controlled rectifier circuit, a capacitance filter, a single-phase inverting circuit and a high-frequency pulse rectifying transformer; the three-phase silicon controlled rectifier circuit is connected into three-phase 380V alternating current; and after the three-phase 380V alternating current passes through the power supply device, high-frequency high-voltage square wave pulses can be finally obtained and are transmitted to a dehydrator electrode plate. The high-frequency pulse crude oil electric dehydration complete set power supply device of the utility model is a high-voltage pulse power source. According to the high-frequency pulse crude oil electric dehydration complete set power supply device, an advanced current and voltage digital control mode and an IGBT power device are adopted, and therefore, duty cycle and output voltage can be adjusted freely and excellently, and as a result, it can be ensured that electric field dehydration can be in an optimal condition. The high-frequency pulse crude oil electric dehydration complete set power supply device can be used for oil dehydration in industries such as petroleum industry and chemical engineering industry.
Description
Technical field
The utility model belongs to crude oil manufacture field, relates to a kind of power supply unit of crude oil electric dewatering, particularly the complete electric supply installation of a kind of Highfrequency pulse raw oil electric dewatering.
Background technology
Oil extraction enters after high water-cut stage, water content increases, while is along with the application of tertiary oil recovery technology, make oil property variation, polymer build-up, existence control electric current is large, high voltage electric field is unstable, chemical feeding quantity is large, often there is " electric field " phenomenon in existing dehydration equipment, dehydration work cannot normally be carried out, and dehydration equipment is proposed to requirements at the higher level.Around improving crude oil tar productivity, now apply alkali/Surfactant/Polymer ternary composite oil-displacing tertiary oil recovery new technology.In ternary combination flooding produced liquid, the new surfactant that the organic acid effect in surfactant and alkali and in-place oil produces, in profit two-phase, W/O, O/W, O/W/O, W/O/ type emulsion coexist, emulsified state complexity; Alkali also makes Produced Liquid pH value increase; Polymer increases Produced Liquid viscosity, makes existing power supply unit can not meet actual needs.For above problem, need to design the complete electric supply installation of a set of Highfrequency pulse raw oil electric dewatering.
Summary of the invention
The purpose of this utility model is to provide the complete electric supply installation of a kind of Highfrequency pulse raw oil electric dewatering, and the electric supply installation control electric current that solves existing electric dehydrator is large, high voltage electric field is unstable, the problem that often causes dehydration work normally to carry out.
The utility model is achieved through the following technical solutions: the complete electric supply installation of Highfrequency pulse raw oil electric dewatering, comprise three-phase controllable silicon rectification circuit, capacitive filter, single-phase inversion circuit and high-frequency impulse rectifier transformer, three-phase controllable silicon rectification circuit access three-phase 380V alternating current, three-phase controllable silicon rectification circuit comprises 3 diode full-bridge rectification module DA, DB, DC and 3 silicon controlled module SCRA, SCRB, SCRC, capacitive filter comprises capacitor C 0, single-phase inversion circuit comprises 4 IGBT switching device VT1, VT2, VT3, VT4, wherein after every 2 IGBT switching devices series connection, the parallel connection of 2 groups of IGBT switching devices, then with capacitor C 0 rear the two poles of the earth that are connected three-phase controllable silicon rectification circuit in parallel, the output of single-phase inversion circuit connects high-frequency impulse rectifier transformer.
Also comprise automatic control system; described automatic control system comprises control and display floater, pressure regulation protection module, inversion protection module, signal feedback module; three-phase controllable silicon rectification circuit is connected with control and display floater by pressure regulation protection module; single-phase inversion circuit is connected with control and display floater by inversion protection module, and three-phase controllable silicon rectification circuit, single-phase inversion circuit and high-frequency impulse rectifier transformer, pressure regulation protection module and inversion protection module are all connected with signal feedback module.
Described automatic control system is connected with accessory power supply.
Described accessory power supply is connected with three-phase 380V alternating current.
Described capacitive filter also comprises capacitor C 1, and capacitor C 1 and 4 IGBT switching device VT1, VT2, VT3, VT4 are in parallel.
Adopt the good effect of technique scheme:
1, capacitor filter plate and three grades of transistorized installation sites of double-basis utmost point controllable silicon are very approaching, have effectively solved the inversion that external interference causes, failed and too much protection action, have obtained beyond thought effect;
2, adopt advanced electric current, the digital control pattern of voltage-type, output frequency can be adjusted between 50HZ-20KHZ, the adjustable 1-90% of alternating-current pulse duty ratio that voltage is adjustable;
3, this product is applied to the electric dehydration process of crude oil, and stable to the electrical oil dewatering water management electric field that oil product is bad, frequency is adjustable, voltage is adjustable, reduce chemical feeding quantity, improved output and the quality of the dehydration of crude oil, reduced cost, improve dewatering efficiency, had a good application prospect;
4, this power supply can be for the oil dehydrating of the industry such as oil, chemical industry, and high-voltage pulse power source compared with DC power supply, has the advantages such as volume is little, efficiency is high, dehydrating effect is good with traditional height;
5, this power supply is a kind of high-voltage pulse power source, adopt the advanced digital control pattern of electric current, voltage-type and IGBT power device, duty ratio and output voltage free adjustment function admirable, by the prediction to the course of work, ensured that electric field dehydration is operated in optimum state;
6, this power supply has good line regulation and input and output dynamic response fast: pulse current is one by one carried out to detection limit, becoming traditional protection is afterwards prior protection, simplify overload protection and open circuit protection, comparatively efficiently solved the inverter failure causing because of factors such as external interference;
7, this product is tested dehydration trial run at the scene, and high-voltage pulse is compared with traditional high-voltage DC power supply, and the advantage such as have that volume is little, high efficiency, dehydrating effect are good, therefore, has a good application prospect.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is control system figure of the present utility model.
In figure, 1 three-phase controllable silicon rectification circuit, 2 capacitive filters, 3 single-phase inversion circuit, 4 high-frequency impulse rectifier transformers, 5 controls and display floater, 6 pressure regulation protection modules, 7 inversion protection modules, 8 signal feedback modules, 9 accessory power supplys.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but should not be construed as restriction of the present utility model:
Fig. 1 is circuit diagram of the present utility model, Fig. 2 is control system figure of the present utility model, shown in Fig. 1, Fig. 2, the complete electric supply installation of Highfrequency pulse raw oil electric dewatering, comprise three-phase controllable silicon rectification circuit 1, capacitive filter 2, single-phase inversion circuit 3 and high-frequency impulse rectifier transformer 4, three-phase controllable silicon rectification circuit 1 accesses three-phase 380V alternating current, requires this circuit to store certain energy so that power supply has certain output voltage hold facility; Can prevent the surge current that closes a floodgate, it can prevent the interference from electrical network simultaneously, the interference that can stop again power supply itself to produce is played a reversed role into electrical network, have anti-interference function, three-phase controllable silicon rectification circuit 1 comprises 3 diode full-bridge rectification module DA, DB, DC and 3 silicon controlled module SCRA, SCRB, SCRC.Capacitive filter 2 comprises capacitor C 0, capacitor C 0 is selected the electric capacity of 7050uf/900v herein, adopt the electrochemical capacitor connection in series-parallel of 6 4700uf/450v to form, wherein three Capacitance parallel connections, then 2 groups of such capacitances in series, at every group of electric capacity two ends, two grading resistors in parallel are all got 10M/5W resistance respectively.Single-phase inversion circuit 3 comprises 4 IGBT switching device VT1, VT2, VT3, VT4, VT1, VT2, VT3, VT4 select SKM145GB176D module, wherein after every 2 IGBT switching devices series connection, the parallel connection of 2 groups of IGBT switching devices, then with capacitor C 0 rear the two poles of the earth that are connected three-phase controllable silicon rectification circuit 1 in parallel, the output of single-phase inversion circuit 3 connects high-frequency impulse rectifier transformer 4.Three-phase 380V supply voltage forms the larger direct voltage of fluctuation and enters capacitive filter after three-phase controllable silicon rectification circuit, after filtering, obtain pressing compared with galvanic current, enter the conversion of single-phase inversion circuit again and form high-frequency impulse, the high-frequency impulse forming obtains high-frequency and high-voltage square-wave pulse and delivers to dehydrator battery lead plate after high-frequency impulse rectifier transformer boosts.
For this power supply can reach automatic control, convenient operation, this electric supply installation also comprises automatic control system, described automatic control system comprises to be controlled and display floater 5, pressure regulation protection module 6, inversion protection module 7, signal feedback module 8, three-phase controllable silicon rectification circuit 1 is connected with control and display floater 5 by pressure regulation protection module 6, single-phase inversion circuit 3 is connected with control and display floater 5 by inversion protection module 7, three-phase controllable silicon rectification circuit 1, single-phase inversion circuit 3 and high-frequency impulse rectifier transformer 4, pressure regulation protection module 6 is all connected with signal feedback module 8 with inversion protection module 7.Control loop has constant current and overcurrent protection function; realize the control to inversion major loop by inversion and protection system; there is the over-voltage over-current protection function of frequency adjustment, duty cycle adjustment and IGBT module; the signal of three-phase controllable silicon rectification circuit, single-phase inversion circuit and high-frequency impulse rectifier transformer, pressure regulation protection module and inversion protection module is fed back in time implementing monitoring simultaneously.
Described automatic control system is connected with accessory power supply 9, and automatic control system is powered.Described accessory power supply 9 is connected with three-phase 380V alternating current, and three-phase 380V alternating current is processed, and obtains needed voltage.
For protective circuit, described capacitive filter 2 also comprises capacitor C 1, and capacitor C 1 and 4 IGBT switching device VT1, VT2, VT3, VT4 are in parallel, in order to absorb sharp cutting edge of a knife or a sword pulse voltage.
This power supply is a kind of high-voltage pulse power source, adopts advanced electric current, the digital control pattern of voltage-type and IGBT power device, and duty ratio and output voltage free adjustment function admirable, by the prediction to the course of work, have ensured that electric field dehydration is operated in optimum state.
Claims (5)
1. the complete electric supply installation of Highfrequency pulse raw oil electric dewatering, it is characterized in that: comprise three-phase controllable silicon rectification circuit (1), capacitive filter (2), single-phase inversion circuit (3) and high-frequency impulse rectifier transformer (4), three-phase controllable silicon rectification circuit (1) access three-phase 380V alternating current, three-phase controllable silicon rectification circuit (1) comprises 3 diode full-bridge rectification module DA, DB, DC and 3 silicon controlled module SCRA, SCRB, SCRC, capacitive filter (2) comprises capacitor C 0, single-phase inversion circuit (3) comprises 4 IGBT switching device VT1, VT2, VT3, VT4, wherein after every 2 IGBT switching devices series connection, the parallel connection of 2 groups of IGBT switching devices, then with capacitor C 0 rear the two poles of the earth that are connected three-phase controllable silicon rectification circuit (1) in parallel, the output of single-phase inversion circuit (3) connects high-frequency impulse rectifier transformer (4).
2. the complete electric supply installation of Highfrequency pulse raw oil electric dewatering according to claim 1, it is characterized in that: also comprise automatic control system, described automatic control system comprises to be controlled and display floater (5), pressure regulation protection module (6), inversion protection module (7), signal feedback module (8), three-phase controllable silicon rectification circuit (1) is connected with control and display floater (5) by pressure regulation protection module (6), single-phase inversion circuit (3) is connected with control and display floater (5) by inversion protection module (7), three-phase controllable silicon rectification circuit (1), single-phase inversion circuit (3) and high-frequency impulse rectifier transformer (4), pressure regulation protection module (6) is all connected with signal feedback module (8) with inversion protection module (7).
3. the complete electric supply installation of Highfrequency pulse raw oil electric dewatering according to claim 2, is characterized in that: described automatic control system is connected with accessory power supply (9).
4. the complete electric supply installation of Highfrequency pulse raw oil electric dewatering according to claim 3, is characterized in that: described accessory power supply (9) is connected with three-phase 380V alternating current.
5. the complete electric supply installation of Highfrequency pulse raw oil electric dewatering according to claim 1, is characterized in that: described capacitive filter (2) also comprises capacitor C 1, and capacitor C 1 and 4 IGBT switching device VT1, VT2, VT3, VT4 are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018636.4U CN203708138U (en) | 2014-01-13 | 2014-01-13 | High-frequency pulse crude oil electric dehydration complete set power supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018636.4U CN203708138U (en) | 2014-01-13 | 2014-01-13 | High-frequency pulse crude oil electric dehydration complete set power supply device |
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| Publication Number | Publication Date |
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| CN203708138U true CN203708138U (en) | 2014-07-09 |
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| CN201420018636.4U Expired - Fee Related CN203708138U (en) | 2014-01-13 | 2014-01-13 | High-frequency pulse crude oil electric dehydration complete set power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555641A (en) * | 2020-05-20 | 2020-08-18 | 重庆和诚电器有限公司 | Control method and control system of three-phase voltage regulator of motorcycle |
-
2014
- 2014-01-13 CN CN201420018636.4U patent/CN203708138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555641A (en) * | 2020-05-20 | 2020-08-18 | 重庆和诚电器有限公司 | Control method and control system of three-phase voltage regulator of motorcycle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |