CN101549218B - Crude oil pre-dewatering and controlling equipment - Google Patents
Crude oil pre-dewatering and controlling equipment Download PDFInfo
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- CN101549218B CN101549218B CN200810064214XA CN200810064214A CN101549218B CN 101549218 B CN101549218 B CN 101549218B CN 200810064214X A CN200810064214X A CN 200810064214XA CN 200810064214 A CN200810064214 A CN 200810064214A CN 101549218 B CN101549218 B CN 101549218B
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Abstract
The invention relates to crude oil pre-dewatering and controlling equipment. At present, due to the high water content, the high conductivity and the high viscosity of the crude oil, a stable electricfield for dewatering cannot be established, and the water content of the dewatered crude oil is large. The crude oil pre-dewatering and controlling equipment comprises a high-voltage pulse generating and controlling cabinet (1) and also comprises a high-voltage transformer (2), a high-voltage rectifying silicon stack (3), a high-voltage resistor (4), a high-voltage voltage divider (5), a high-vol tage silicon controlled rectifier (6), a high-voltage capacitor (7), a discharge high-voltage silicon stack (8) and a high-voltage current sensor (9) which are connected through a circuit in the high-voltage pulse generating and controlling cabinet (1), wherein the high-voltage transformer, the high-voltage voltage divider and the current sensor are respectively connected with a high-voltage pulsecontroller (10) which is connected with a display window (11); and the discharge high-voltage silicon stack is connected with an insulated pre-dewatering electrode system (12). The product serves as the crude oil pre-dewatering and controlling equipment.
Description
Technical field:
Technical field is crude oil electric dewatering and high voltage and insulation technology under the present invention, 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 gets into 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 invention is to provide a kind of crude oil pre-dewatering and control appliance thereof, can dewater in advance, make oil, aqueous mixtures when discharge channel does not form, reach electric field preact effect high-moisture crude oil.
Above-mentioned purpose realizes through 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 through 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 insulation dehydration electrode system in advance.
Described crude oil pre-dewatering and control appliance thereof, the described insulation electrode system that dewaters in advance comprises external electrode, and 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, and described high-field electrode seals with the high-voltage connection box; Described high-voltage connection box connects the high pressure leading-in terminal, and described external electrode connects earth stud.
Described crude oil pre-dewatering and control appliance thereof; Described high-voltage pulse controller utilize Pulse Power Techniques that described insulation is dewatered in advance oil, aqueous mixtures apply a zooming high-voltage pulse in the electrode system, make described oil, aqueous mixtures when discharge channel does not form, reach electric field preact.
Beneficial effect of the present invention:
1. according to actual oil recovery operating mode, designed high-field electrode and dehydration sleeve structure, guaranteed that preparatory 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 that oil water mixture in not oil, the separated form water of discharge breakdown situation, utilizes 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 through 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 insulation dehydration electrode system 12 in advance.
Described high-voltage pulse controller comprises high-voltage pulse power source; Described high-voltage pulse power source high-tension transformer 21 is connected with rectification circuit 22 and resistance 23 and with high-voltage bleeder 24 formation loops; 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 with electric capacity 26 and rectification circuit 27, current sensor 28 is connected and form the loop; Described high-voltage bleeder, high-voltage switch gear, current sensor connect the high-voltage pulse controller respectively, and described rectification circuit 27 output voltages connect insulation dehydration electrode system in advance.
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 through 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 insulation dehydration electrode system 12 in advance.
Described crude oil pre-dewatering and control appliance thereof, the described insulation electrode system that dewaters in advance comprises external electrode 13, and 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, and described high-field electrode is with 18 sealings of high-voltage connection box; Described high-voltage connection box connects high pressure leading-in terminal 20, and described external electrode connects earth stud 17.
Described crude oil pre-dewatering and control appliance thereof; The volt-second characteristic that described high-voltage pulse controller punctures according to discharge in water; Oil, aqueous mixtures apply a zooming high-voltage pulse in the electrode system to utilize Pulse Power Techniques that described insulation is dewatered in advance, make described oil, aqueous mixtures when discharge channel does not form, reach electric field preact.
Shown in Figure 1, sleeve structure is adopted in insulation dehydration electrode system in advance, be connected with pipeline road with convenient, and electrodes use stainless steel in the high pressure that dewaters in advance, 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 insulation high-voltage connection of dehydration electrode system is in advance 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 through high-tension transformer, is rectified into direct current through rectification circuit; And main capacitance is charged through protective resistance; After main capacitance was charged to the setting voltage amplitude, control system output trigger impulse was given the high-voltage thyristor switch, and 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 insulation and on the dehydration electrode system crude oil is carried out the preparatory processed of high pressure in advance.
Shown in Figure 3, the control system mainly accomplishes the various parameter detecting of main circuit, and to main circuit controls such as driving and protection is provided.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 reaches the voltage that sets, export discharge and drive signal to the high-voltage thyristor rectification circuit, realize the discharge of major loop, the size that detects the major loop discharge current simultaneously reaches the statistics to 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 to report to the police and indicate.
Claims (1)
1. the control appliance of a crude oil pre-dewatering; 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 through 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 insulation dehydration electrode system in advance; The described insulation electrode system that dewaters in advance comprises external electrode; The inner two ends of described external electrode have insulation to be supported, electrode in the described insulation support and connection, the outer insulating layer coating of described interior electrode; Electrode one end connects high-field electrode in described; Described high-field electrode is with the sealing of high-voltage connection box, and described high-voltage connection box connects the high pressure leading-in terminal, and described external electrode connects earth stud.
2. according to the control appliance of the described crude oil pre-dewatering of claim 1; It is characterized in that: described high-voltage pulse controller utilize Pulse Power Techniques that described insulation is dewatered in advance oil, aqueous mixtures apply a zooming high-voltage pulse in the electrode system, make described oil, aqueous mixtures when discharge channel does not form, reach electric field preact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810064214XA CN101549218B (en) | 2008-04-01 | 2008-04-01 | Crude oil pre-dewatering and controlling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810064214XA CN101549218B (en) | 2008-04-01 | 2008-04-01 | Crude oil pre-dewatering and controlling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101549218A CN101549218A (en) | 2009-10-07 |
| CN101549218B true CN101549218B (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810064214XA Expired - Fee Related CN101549218B (en) | 2008-04-01 | 2008-04-01 | Crude oil pre-dewatering and controlling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107894405B (en) * | 2017-12-22 | 2020-02-18 | 陕西省西安植物园 | Method for determining nutrients in soil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358824A (en) * | 2001-05-25 | 2002-07-17 | 中国石化胜利油田有限公司规划设计研究院 | Highfrequency pulse raw oil electric dewatering device |
| CN2611041Y (en) * | 2003-03-10 | 2004-04-14 | 朱绪荣 | High efficiency electric desalter |
| CN201195062Y (en) * | 2008-04-01 | 2009-02-18 | 哈尔滨理工大学 | Pre-dewatering and controlling equipment for crude oil |
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2008
- 2008-04-01 CN CN200810064214XA patent/CN101549218B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358824A (en) * | 2001-05-25 | 2002-07-17 | 中国石化胜利油田有限公司规划设计研究院 | Highfrequency pulse raw oil electric dewatering device |
| CN2611041Y (en) * | 2003-03-10 | 2004-04-14 | 朱绪荣 | High efficiency electric desalter |
| CN201195062Y (en) * | 2008-04-01 | 2009-02-18 | 哈尔滨理工大学 | Pre-dewatering and controlling equipment for crude oil |
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| Publication number | Publication date |
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| CN101549218A (en) | 2009-10-07 |
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