CN201195062Y - Pre-dewatering and controlling equipment for crude oil - Google Patents
Pre-dewatering and controlling equipment for crude oil Download PDFInfo
- Publication number
- CN201195062Y CN201195062Y CNU2008200896300U CN200820089630U CN201195062Y CN 201195062 Y CN201195062 Y CN 201195062Y CN U2008200896300 U CNU2008200896300 U CN U2008200896300U CN 200820089630 U CN200820089630 U CN 200820089630U CN 201195062 Y CN201195062 Y CN 201195062Y
- Authority
- CN
- China
- Prior art keywords
- voltage
- crude oil
- electrode
- dehydration
- rectifier stack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model relates to pre-dehydration and control equipment of crude oil. At present, due to high water content, high conductivity and high viscosity coefficient of crude oil, a stable electric field can not be built for electric dehydration, and the crude oil after dehydration has high water content. The pre-dehydration and control equipment of crude oil comprises a high-voltage impulse generating and controlling cabinet (1) as well as a high-voltage transformer (2), a rectifying high-voltage silicon rectifier stack (3), a high voltage resistor (4), a high voltage divider (5), a high voltage controlled silicon (6), a high voltage capacitor (7), a discharging high voltage rectifier stack (8), and a current sensor (9) which are connected to the inside of the high-voltage impulse generating and controlling cabinet (1) through a circuit, wherein, the high-voltage transformer, the high-voltage divider and the current sensor are respectively connected with a high-voltage impulse controller (10); the high-voltage impulse controller is connected with a display window (11); and the discharging high voltage rectifier stack is connected with an insulated pre-dehydration electrode system (12). The product is used as the pre-dehydration and control equipment of crude oil.
Description
Technical field:
Technical field is crude oil electric dewatering and high voltage and insulation technology under the utility model, is specifically related to a kind of crude oil pre-dewatering and control appliance thereof.
Background technology:
The dehydration of crude oil is an important step in the 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 power supply 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's widespread usage tertiary oil recovery technology.In the electric dehydration process of ternary composite oil-displacing, owing to added alkali/surfactant/polymer ternary complexing agent, the increase of crude oil electric conductivity, viscosity are strengthened, thereby the difficulty of the dehydration of crude oil is increased.In actual production process, often because this height of crude oil is moisture, high conductivity and high viscosity, and make electric dehydration can't set up stable electric field, make the water content in crude oil after the dehydration big.
Summary of the invention:
The purpose of this utility model provides a kind of crude oil pre-dewatering and control appliance thereof, can dewater in advance to high-moisture crude oil, makes oil, aqueous mixtures reach electric field preact effect when discharge channel does not form.
Above-mentioned purpose realizes by following technical scheme:
Crude oil pre-dewatering and control appliance thereof, its composition comprises: high-voltage pulse generation and switch board and inner high-tension transformer, rectification high voltage silicon rectifier stack, high-tension resistive, high-voltage bleeder, high-voltage thyristor, high-voltage capacitor, discharge high voltage silicon rectifier stack, the current sensor that is connected by circuit thereof, described high-tension transformer, high-voltage bleeder are connected the high-voltage pulse controller respectively with current sensor, described high-voltage pulse controller connects display window, and described discharge high voltage silicon rectifier stack connects the pre-dehydration of insulation electrode system.
Described crude oil pre-dewatering and control appliance thereof, the described insulation electrode system that dewaters in advance comprises external electrode, the inner two ends of described external electrode have insulation and support, electrode in the described insulation support and connection, the outer insulating layer coating of electrode in described, described interior electrode one end connects high-field electrode, the high-voltage connection box sealing of described high-field electrode, described high-voltage connection box connects the high pressure leading-in terminal, and described external electrode connects earth stud.
The beneficial effects of the utility model:
1. according to actual oil recovery operating mode, designed high-field electrode and dehydration sleeve structure, guaranteed that pre-dewatering container under the effect of high pressure steep-sided pulse electrical breakdown does not take place, and can be installed on the oil pipeline easily with insulating capacity.
2. utilize the high pressure high energy pulse, continuous action is carried out preliminary treatment to crude oil emulsion on insulating electrode dehydration cover tubular container, realize the initial gross separation of crude oil and water, has increased former W/O structure set speed, has improved the efficient of crude oil electric dewatering.
3. utilize high-voltage thyristor to suit high voltage source in the rectification circuit, producing rising edge is the high pressure steep-sided pulse of microsecond level, realize oil water mixture the oil of discharge breakdown situation not, moisture from, utilize high pressure steep-sided pulse measuring technique, realize the output voltage amplitude and the accurate measurement of exporting big electric current.
Description of drawings:
Accompanying drawing 1 is the structural representation of this product.
Accompanying drawing 2 is high-voltage pulse controller principle figure.
Accompanying drawing 3 is high-voltage pulse controller electric control theory figure.
The specific embodiment:
Embodiment 1:
Crude oil pre-dewatering and control appliance thereof, its composition comprises: high-voltage pulse takes place and switch board 1 and inner high-tension transformer 2, rectification high voltage silicon rectifier stack 3, high-tension resistive 4, high-voltage bleeder 5, high-voltage thyristor 6, high-voltage capacitor 7, discharge high voltage silicon rectifier stack 8, the current sensor 9 that is connected by circuit thereof, described high-tension transformer, high-voltage bleeder are connected high-voltage pulse controller 10 respectively with current sensor, described high-voltage pulse controller connects display window 11, and described discharge high voltage silicon rectifier stack connects the pre-dehydration of insulation electrode system 12.
Described high-voltage pulse controller comprises high-voltage pulse power source, described high-voltage pulse power source is connected high-tension transformer 21 and forms the loop with high-voltage bleeder 24 with rectification circuit 22 and resistance 23, described high-tension transformer is connected with high-voltage switch gear 25 with rectification circuit and resistance and forms the loop, described high-tension transformer and rectification circuit and resistance and electric capacity 26 and rectification circuit 27, current sensor 28 connects and the formation loop, described high-voltage bleeder, high-voltage switch gear, current sensor connects the high-voltage pulse controller respectively, and described rectification circuit 27 output voltages connect the pre-dehydration of insulation electrode system.
Embodiment 2:
Crude oil pre-dewatering and control appliance thereof, its composition comprises: high-voltage pulse takes place and switch board 1 and inner high-tension transformer 2, rectification high voltage silicon rectifier stack 3, high-tension resistive 4, high-voltage bleeder 5, high-voltage thyristor 6, high-voltage capacitor 7, discharge high voltage silicon rectifier stack 8, the current sensor 9 that is connected by circuit thereof, described high-tension transformer, high-voltage bleeder are connected high-voltage pulse controller 10 respectively with current sensor, described high-voltage pulse controller connects display window 11, and described discharge high voltage silicon rectifier stack connects the pre-dehydration of insulation electrode system 12.
Described crude oil pre-dewatering and control appliance thereof, the described insulation electrode system that dewaters in advance comprises external electrode 13, the inner two ends of described external electrode have insulation and support 14, electrode 16 in the described insulation support and connection, the outer insulating layer coating 15 of electrode in described, described interior electrode one end connects high-field electrode 19, high-voltage connection box 18 sealings of described high-field electrode, described high-voltage connection box connects high pressure leading-in terminal 20, and described external electrode connects earth stud 17.
This equipment utilizes Pulse Power Techniques that oil, aqueous mixtures are applied a zooming high-voltage pulse according to the volt-second characteristic that discharge in water punctures, and makes oil, aqueous mixtures reach electric field preact effect when discharge channel does not form.
Shown in Figure 1, the pre-dehydration of insulation electrode system adopts sleeve structure, is connected with pipeline road with convenient, and electrode adopts stainless steel in the high pressure that dewaters in advance, and its outside is by insulating layer coating.Electrode utilization insulation is supported to isolate preventing with earth electrode and is punctured over the ground in the high pressure, and the high-voltage connection of the pre-dehydration of insulation electrode system is introduced by connection jaws high pressure leading-in terminal.
Shown in Figure 2; the generation of high-voltage pulse power source major loop is with three-phase 380V alternating voltage; after boosting by high-tension transformer; be rectified into direct current through rectification circuit; and main capacitance is charged by protective resistance; after main capacitance is charged to the setting voltage amplitude; control system output trigger impulse is given the high-voltage thyristor switch; main capacitance, high voltage silicon rectifier stack rectification circuit and load at this moment constitutes discharge loop; form high-voltage pulse, this high-voltage pulse acts on the pre-dehydration of the insulation electrode system crude oil is carried out the pre-processed of high pressure.
Shown in Figure 3, control system is mainly finished the various parameter detecting of main circuit, and provides controls such as driving and protection to main circuit.At first after control circuit receives " high voltage startup " order, start main circuit power, realize charging, and show the amplitude of charging voltage main capacitance; When charging voltage reached the voltage that sets, output discharge drove signal and gives the high-voltage thyristor rectification circuit, realized the discharge of major loop, detected the size of major loop discharge current simultaneously and to the statistics of discharge time; When detecting the undesired or dewatering container of high pressure major loop work and puncture, start holding circuit, under the holding circuit effect, cut off the power supply of major loop, and provide the indication of reporting to the police.
Claims (2)
1. crude oil pre-dewatering and control appliance thereof, its composition comprises: high-voltage pulse generation and switch board and inner high-tension transformer, rectification high voltage silicon rectifier stack, high-tension resistive, high-voltage bleeder, high-voltage thyristor, high-voltage capacitor, discharge high voltage silicon rectifier stack, the current sensor that is connected by circuit thereof, it is characterized in that: described high-tension transformer, high-voltage bleeder are connected the high-voltage pulse controller respectively with current sensor, described high-voltage pulse controller connects display window, and described discharge high voltage silicon rectifier stack connects the pre-dehydration of insulation electrode system.
2. crude oil pre-dewatering according to claim 1 and control appliance thereof, it is characterized in that: the described insulation electrode system that dewaters in advance comprises external electrode, the inner two ends of described external electrode have insulation and support, electrode in the described insulation support and connection, the outer insulating layer coating of electrode in described, described interior electrode one end connects high-field electrode, the high-voltage connection box sealing of described high-field electrode, described high-voltage connection box connects the high pressure leading-in terminal, and described external electrode connects earth stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200896300U CN201195062Y (en) | 2008-04-01 | 2008-04-01 | Pre-dewatering and controlling equipment for crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200896300U CN201195062Y (en) | 2008-04-01 | 2008-04-01 | Pre-dewatering and controlling equipment for crude oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201195062Y true CN201195062Y (en) | 2009-02-18 |
Family
ID=40414702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200896300U Expired - Fee Related CN201195062Y (en) | 2008-04-01 | 2008-04-01 | Pre-dewatering and controlling equipment for crude oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201195062Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814370A (en) * | 2010-04-09 | 2010-08-25 | 江苏雷宇高电压设备有限公司 | High-precision voltage divider |
| CN101549218B (en) * | 2008-04-01 | 2012-06-20 | 哈尔滨理工大学 | Crude oil pre-dewatering and controlling equipment |
-
2008
- 2008-04-01 CN CNU2008200896300U patent/CN201195062Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549218B (en) * | 2008-04-01 | 2012-06-20 | 哈尔滨理工大学 | Crude oil pre-dewatering and controlling equipment |
| CN101814370A (en) * | 2010-04-09 | 2010-08-25 | 江苏雷宇高电压设备有限公司 | High-precision voltage divider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103346686B (en) | A kind of DC source based on the power taking of current transformer resonance | |
| Alonso et al. | Low-power high-voltage high-frequency power supply for ozone generation | |
| CN103969527A (en) | Charge-discharge service life detection device of high-voltage ceramic capacitor | |
| CN102013830B (en) | Device and method for generating bipolar nanosecond high-voltage narrow pulses | |
| CN104047585A (en) | Pulse fracturing device and method | |
| CN101550353B (en) | Combined type crude oil electric dewatering high-voltage power source and controlling device thereof | |
| CN207218559U (en) | 0.1Hz ultra-low frequency high-pressure generating means | |
| CN109342910A (en) | A kind of complete electric type local discharge detection device and detection method | |
| CN201195062Y (en) | Pre-dewatering and controlling equipment for crude oil | |
| CN201229390Y (en) | AC cable voltage test device | |
| CN101549218B (en) | Crude oil pre-dewatering and controlling equipment | |
| CN102654554A (en) | Detection method of self-healing breakdown of capacitor | |
| CN202940741U (en) | 200Kv/10mA rapid polarity conversion direct current generator | |
| CN201181904Y (en) | Combined primary oil electric dehydration high voltage power supply and its control device | |
| CN208384063U (en) | A kind of insulator edge flashing discharge energy measuring device | |
| CN207053403U (en) | The low-power dissipation high pressure power module of Geiger Miller detector | |
| CN203700041U (en) | Water treatment circuit | |
| CN204807631U (en) | High -voltage switch's dynamic contact resistance and static resistance test device | |
| CN1171975C (en) | Highfrequency pulse raw oil electric dewatering device | |
| CN114744738A (en) | High-voltage pulse discharge rock breaking driving source topological system | |
| CN208226871U (en) | The main circuit structure of geology transmitter | |
| CN102545223A (en) | High-voltage dynamic filtering power-saving device for mine | |
| CN108120912A (en) | A kind of dipole inversion Ultra-low frequency voltage endurance test system | |
| CN201829288U (en) | Direct current adjustable liquid resistance device | |
| CN201632094U (en) | High-frequency pulse power supply for dehydration of crude oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20100401 |