CN2465759Y - Special power supply for high-speed electric desalting and dewatering equipment - Google Patents
Special power supply for high-speed electric desalting and dewatering equipment Download PDFInfo
- Publication number
- CN2465759Y CN2465759Y CN 01201736 CN01201736U CN2465759Y CN 2465759 Y CN2465759 Y CN 2465759Y CN 01201736 CN01201736 CN 01201736 CN 01201736 U CN01201736 U CN 01201736U CN 2465759 Y CN2465759 Y CN 2465759Y
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- power supply
- coil
- secondary coil
- specific power
- dehydration device
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Abstract
The utility model relates to a special power supply for a high-speed electric desalinating and dewatering device, which is provided with a secondary coil. Alternating current and direct current can be simultaneously output to a polar plate in an electric desalinating tank to form an alternating current electric field and a direct current electric field. The characteristics of oscillation and accumulation of the alternating current for larger water drops and the direct current for small water drops are fully used to achieve the ideal desalinating and dewatering effect. The power supply is in a 100% whole impedance form. Even if technological operation has fluctuation, output voltage can be automatically adjusted and the power supply can entirely output the alternating current according to requirements. The utility model has the advantages of convenient operation of the power supply and high safety.
Description
The utility model belongs to oil field electric dehydration, oil plant crude oil electric desalting field, particularly a kind of power source special that is used for petroleum chemical industry crude oil electric desalting equipment.
Oil plant often adopts the high speed desalting technology in order to reach bigger treating capacity in the volume small device.The power supply of at present external high speed electric desalting equipment adopts AC power, and alternating current has good effect to the accumulation sedimentation of big water droplet, and direct current is obvious for less water droplet accumulation effect of settling.The power supply of domestic alternating current desalter adopts 100% whole impedance rectifier transformer, the battery lead plate of alternate positive and negative vertical hanging input high voltage direct current in jar, produce horizontal DC electric field between pole plate, because half-wave voltage multiplying rectifier, the alternate voltages that alternate positive and negative on the conducting rod of battery lead plate lower end, also occurs, form a weak electric field between this alternate voltages and the profit circle position, also claim to exchange weak electric field.As can be seen, this interchange weak electric field is the pulsating direct current electric forming after the halfwave rectifier, its amplitude reduces greatly, and alternating current is by the oscillation action of water droplet in the crude oil being realized breakdown of emulsion is built up, and the alternation weak electric field that is formed by lower direct current of amplitude and profit circle position reduces greatly to the accumulation settlement action of water droplet in the crude oil.
The purpose of this utility model provides a kind of can be simultaneously alternating current and direct current being input on the battery lead plate in the tank body, form AC field and DC electric field, accelerate water droplet and build up the speed of sedimentation, make less tank body realize the high speed electro-desalting electric dehydration device-specific power supply of larger process amount.
The utility model realizes that the key of described purpose is: design has three groups of coils in transformer secondary output output, the outlet of a coil forms DC electric field through after the rectification direct current being input on jar internal polar plate in described three groups of coils, the outlet of another coil is directly inputted to and forms AC field on the pole plate, and the 3rd coil is for measuring coil; Above-mentioned coil is selected the different numbers of turn according to actual condition.
High speed electro-desalting electric dehydration device-specific power supply as mentioned above is characterized in that: the described secondary coil of rectifier that connects is also by a change-over switch, directly to pole plate output AC electric field.
High speed electro-desalting electric dehydration device-specific power supply as mentioned above is characterized in that: string has the reactor that can regulate output voltage automatically on transformer.
High-tension electricity desalination electric dehydration device-specific power supply as mentioned above, it is characterized in that: high pressure outputs in the electrical desalter behind rectifier rectification on the secondary coil, on first and second battery lead plates from top to bottom; High Level AC Voltage on another secondary coil directly outputs in the electrical desalter, on the third electrode plate from top to bottom.
High-tension electricity desalination electric dehydration device-specific power supply as mentioned above is characterized in that: High Level AC Voltage directly outputs on first battery lead plate from top to bottom in the electrical desalter on the secondary coil; High pressure on another secondary coil outputs on second and third battery lead plate from top to bottom in the electrical desalter behind rectifier rectification.
The utility model is input to direct current and alternating current on the pole plate simultaneously, form AC field and DC electric field, make full use of the effect of alternating current and direct current to water droplet vibration, accumulation, this power source special equipment can change according to the conductance of emulsion regulates the voltage that outputs on the battery lead plate automatically, energy is rationally utilized in the accumulation of the breakdown of emulsion of emulsion and little water droplet, and energy consumption reduces greatly; In addition, can equivalence be an electric capacity between the adjacent electrode plates, along with the variation of voltage exists the charge and discharge process to medium, so between adjacent two positive/negative plates, form electric field, but directly do not constitute the loop, also be one of reason of this device saving electric energy, its power consumption is 2/3rds of a present power-supply device.This device can be realized the power supply of single device multilayer, has saved investment greatly, and experiment shows that the desalting and dewatering rate improves 8% and 15% respectively, and effect is remarkable.
The drawing explanation:
Fig. 1 is an embodiment circuit structure schematic diagram of the present utility model;
Fig. 2 is another embodiment circuit structure schematic diagram of the present utility model;
Embodiment of the present utility model sees Fig. 1: power supply mainly by primary coil (2), secondary coil (3a), (3b), measurement coil (4), form by rectifier (5).On primary coil (2), be serially connected with reactor (1).When elementary line (2) input voltage, go up the generation high voltage at secondary coil (3a), (3b), go up high pressure process rectifier (5) rectification of generation by secondary coil (3a) after, exporting two is respectively the high voltage direct current of positive and negative half-wave, be incorporated on the interior battery lead plate (6) of electrical desalter, (7), form DC electric field; The High Level AC Voltage that is produced by secondary coil (3a) is introduced directly on the interior battery lead plate (8) of electrical desalter, and battery lead plate (8) forms AC field with battery lead plate (9), like this, has formed DC electric field and AC field from top to bottom in electrical desalter.Crude oil at first enters by battery lead plate (8) and battery lead plate (9) and forms AC field, make full use of the accumulation settlement action of AC field to big water droplet, enter the DC electric field that forms by battery lead plate (6) and battery lead plate (7) then and make full use of the accumulation effect of DC electric field, reach the purpose of desirable desalting and dewatering less water droplet.According to the actual process needs, also can pass through change-over switch K2, make secondary coil (3a) go up the High Level AC Voltage that produces and be directly inputted on the electrical desalter internal polar plate, all form AC field.
Among Fig. 2, after high pressure process rectifier (5) rectification by secondary coil (3a) generation, exporting two is respectively the high voltage direct current of positive and negative half-wave, and the formation DC electric field is gone up in the battery lead plate (7), (8) that are incorporated in the electrical desalter; The High Level AC Voltage that is produced by secondary coil (3b) is introduced directly on the interior battery lead plate (6) of electrical desalter, battery lead plate (6) forms AC field with battery lead plate (7), the electric-force gradient of the electric field of Xing Chenging still distributes more rationally like this, utilizes the desalting and dewatering process, and dehydration rate can reach more than 98%.
Claims (5)
1. high speed electro-desalting electric dehydration device-specific power supply, it is characterized in that: design has three groups of coils in transformer secondary output output, the outlet of a coil forms DC electric field through after the rectification direct current being input on jar internal polar plate in described three groups of coils, the outlet of another coil is directly inputted to and forms AC field on the pole plate, and the 3rd coil is for measuring coil; Above-mentioned coil is selected the different numbers of turn according to actual condition.
2. high speed electro-desalting electric dehydration device-specific power supply as mentioned above, it is characterized in that: the described secondary coil of rectifier that connects is also by a change-over switch, directly to the pole plate output AC.
3. high speed electro-desalting electric dehydration device-specific power supply as mentioned above, it is characterized in that: string has the reactor that can regulate output voltage automatically on transformer.
4. high-tension electricity desalination electric dehydration device-specific power supply as mentioned above, it is characterized in that: high pressure outputs in the electrical desalter behind rectifier rectification on the secondary coil, on first and second battery lead plates from top to bottom; High Level AC Voltage on another secondary coil directly outputs in the electrical desalter, on the third electrode plate from top to bottom.
5. high-tension electricity desalination electric dehydration device-specific power supply as mentioned above is characterized in that: High Level AC Voltage directly outputs on first battery lead plate from top to bottom in the electrical desalter on the secondary coil; High pressure on another secondary coil outputs on second and third battery lead plate from top to bottom in the electrical desalter behind rectifier rectification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201736 CN2465759Y (en) | 2001-01-20 | 2001-01-20 | Special power supply for high-speed electric desalting and dewatering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201736 CN2465759Y (en) | 2001-01-20 | 2001-01-20 | Special power supply for high-speed electric desalting and dewatering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465759Y true CN2465759Y (en) | 2001-12-19 |
Family
ID=33623698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01201736 Expired - Lifetime CN2465759Y (en) | 2001-01-20 | 2001-01-20 | Special power supply for high-speed electric desalting and dewatering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465759Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086406A (en) * | 2009-12-08 | 2011-06-08 | 江苏三星化工有限公司 | High-frequency intelligent response electro-desalting complete equipment |
| 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 |
-
2001
- 2001-01-20 CN CN 01201736 patent/CN2465759Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086406A (en) * | 2009-12-08 | 2011-06-08 | 江苏三星化工有限公司 | High-frequency intelligent response electro-desalting complete equipment |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110120 Granted publication date: 20011219 |