CN111193413A - Power supply equipment and system for oil-water separation - Google Patents
Power supply equipment and system for oil-water separation Download PDFInfo
- Publication number
- CN111193413A CN111193413A CN201811356646.8A CN201811356646A CN111193413A CN 111193413 A CN111193413 A CN 111193413A CN 201811356646 A CN201811356646 A CN 201811356646A CN 111193413 A CN111193413 A CN 111193413A
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- power supply
- oil
- water separation
- programmable
- output end
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a power supply device and a system for oil-water separation, the power supply device comprises N AC/DC power supply modules, N DC/AC programmable power supplies and a control module, the input ends of the N AC/DC power supply modules are connected in parallel, the output ends of the N AC/DC power supply modules are respectively connected with the input ends of the N DC/AC programmable power supplies, each DC/AC programmable power supply comprises a positive output end and a negative output end, wherein the positive output end of the first DC/AC programmable power supply and the negative output end of the Nth DC/AC programmable power supply are led out of a load end which is arranged in the oil-water mixture, the negative output end and the positive output end of the other DC/AC programmable power supply are connected in series in sequence, the N AC/DC power supply modules and the N DC/AC programmable power supplies are connected with the control module; the device can provide variable-frequency, variable-voltage and variable-width alternating-current voltage signals, realizes high-efficiency oil-water separation, has high response speed, and is particularly suitable for complex oil-water environments.
Description
Technical Field
The invention relates to power supply equipment and a power supply system for oil-water separation.
Background
Currently, in the petroleum industry, crude oil usually contains water-in-oil type emulsion, and the separation of oil and water is completed by adopting gravity settling or adding other chemical agents to react and take out impurities according to the density difference or different chemical properties of water and oil. Based on the current oil-water separation scheme, the oil-water separation is unfavorable, which can cause the problems of serious scaling of oil extraction operation equipment, increased output of dirty oil and obviously increased difficulty in treating oily wastewater.
The electric dehydration mode is used for demulsifying and dehydrating the water-in-oil emulsion, has high efficiency and high speed, and is widely applied to various oil fields. The existing dehydration power supply implementation mode is mainly realized by a low-frequency high-power transformer, and the demulsification dehydration process is sensitive to voltage, frequency and pulse width, so that the existing transformer cannot meet the requirements.
Disclosure of Invention
The invention aims to solve the problem that the transformer in the prior art cannot meet the actual requirement, and provides power supply equipment and a power supply system for oil-water separation, which can adjust the voltage and frequency of a signal for dehydration and effectively perform oil-water separation on crude oil.
A power supply device for oil-water separation comprises N AC/DC power supply modules, N DC/AC programmable power supplies and a control module;
the input ends of the N AC/DC power supply modules are connected in parallel, the output ends of the N AC/DC power supply modules are respectively connected with the input ends of the N DC/AC programmable power supplies, each DC/AC programmable power supply comprises an anode output end and a cathode output end, wherein the anode output end of the first DC/AC programmable power supply and the cathode output end of the Nth DC/AC programmable power supply lead out of a load end, the load end is arranged in an oil-water mixture, the cathode output ends and the anode output ends of the rest DC/AC programmable power supplies are sequentially connected in series, and the N AC/DC power supply modules and the N DC/AC programmable power supplies are connected with the control module;
the control module is used for receiving an oil-water separation request signal, generating an oil-water separation control signal according to the oil-water separation request signal, and sending the oil-water separation control signal to the N AC/DC power supply modules and the N DC/AC programmable power supplies, wherein the N AC/DC power supply modules are used for converting input voltage into programmable direct-current voltage signals, the N DC/AC programmable power supplies are used for converting the direct-current voltage signals into alternating-current voltage signals with adjustable frequency and width, and the alternating-current voltage signals are used for carrying out dehydration treatment on an oil-water mixture.
Furthermore, the AC/DC power supply module is an Iridant standard AC/DC power supply module.
Further, the control module is a TMS320F28335PGFA engineering component.
Further, the input voltage is 380V alternating current.
Further, the voltage range of the programmable direct current voltage signal output by each AC/DC power supply module is 200V-750V.
Furthermore, the voltage range of the alternating voltage signals output by the N DC/AC programmable power supplies is 2000V-4000V.
Further, the number of the AC/DC power modules and the DC/AC program-controlled power is determined by the following formula:
wherein N is the number of AC/DC power supply modules and DC/AC program control power supplies, VACVoltage value, V, of alternating voltage signal output for N DC/AC programmable power suppliesDCAnd outputting the voltage value of the programmable direct current voltage signal for each AC/DC power supply module.
The utility model provides a power supply system for water oil separating, includes foretell power supply unit for water oil separating, still includes the host computer, the host computer with control module connects for input water oil separating request signal.
The power supply equipment and the system for oil-water separation provided by the invention at least have the following beneficial effects:
(1) the variable-frequency variable-voltage AC power supply can provide variable-frequency, variable-voltage and variable-width AC voltage signals, realizes high-efficiency oil-water separation, has high response speed, and is particularly suitable for complex oil-water environments;
(2) the existing transformer scheme can be effectively replaced, and the production cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a power supply apparatus for oil-water separation according to the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the power supply system for oil-water separation provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, the present embodiment provides a power supply apparatus for oil-water separation, which includes N AC/DC power modules 101, N DC/AC programmable power supplies 102, and a control module 103;
the input ends of the N AC/DC power supply modules 101 are connected in parallel, the output ends of the N AC/DC power supply modules 101 are respectively connected with the input ends of the N DC/AC programmable power supplies 102, each DC/AC programmable power supply 102 comprises a positive electrode output end and a negative electrode output end, wherein the positive electrode output end of the first DC/AC programmable power supply 102 and the negative electrode output end of the Nth DC/AC programmable power supply 102 lead out of a load end, the load end is arranged in an oil-water mixture, the negative electrode output ends and the positive electrode output ends of the rest DC/AC programmable power supplies 102 are sequentially connected in series, and the N AC/DC power supply modules 101 and the N DC/AC programmable power supplies 102 are connected with the control module 103;
the control module 103 is configured to receive an oil-water separation request signal, generate an oil-water separation control signal according to the oil-water separation request signal, and send the oil-water separation control signal to the N AC/DC power modules 101 and the N DC/AC programmable power supplies 102, where the N AC/DC power modules 101 are configured to convert an input voltage into a programmable direct-current voltage signal, the N DC/AC programmable power supplies 102 are configured to convert the direct-current voltage signal into an alternating-current voltage signal with adjustable frequency and width, and the alternating-current voltage signal is configured to perform dehydration on an oil-water mixture.
Specifically, 380V alternating current signals of industrial electricity are input to the input ends of the N AC/DC power supply modules 101, and the 380V alternating current signals are converted to generate programmable direct current voltage signals, where the range of the direct current voltage signals is 200V-750V.
As a preferred embodiment, the AC/DC power module 101 is an inruida standard AC/DC power module, has a program control interface, and can interact with an upper computer, receive a control signal, and upload a working state in real time after being connected to the control module 103.
Further, a driving circuit of the DC/AC programmable power supply 102 selects an H3120 driver, a positive and negative voltage power supply mode, positive voltage connection and negative voltage reliable disconnection, and a control signal interface receives an external 15V/10mA signal as switch control input.
The DC/AC programmable power supply 102 converts the 200V-750V direct current voltage signal output by the AC/DC power supply module 101, outputs an alternating current voltage signal with a voltage range of 2000V-4000V and a frequency of 50Hz-20KHz, and the alternating current voltage signal is a square wave signal.
The control module 103 controls the DC/AC programmable power supply 102 to adjust the frequency, voltage value and width of the output AC voltage signal, thereby achieving oil-water separation under the action of high frequency. The N DC/AC programmable power supplies 102 are connected end to end, so that time sequence difference among the modules is effectively inhibited.
As a preferred embodiment, the control module 103 is a TMS320F28335PGFA engineering component, which includes a TMS320F28335PGFA chip and its peripheral circuits.
Further, the number of AC/DC power modules 101 and DC/AC programmable power supplies 102 is determined by the following equation:
wherein N is the number of AC/DC power supply modules and DC/AC program control power supplies, VACVoltage value, V, of alternating voltage signal output for N DC/AC programmable power suppliesDCAnd outputting the voltage value of the programmable direct current voltage signal for each AC/DC power supply module.
The power supply equipment for oil-water separation provided by the embodiment at least comprises the following beneficial effects:
(1) the variable-frequency variable-voltage AC power supply can provide variable-frequency, variable-voltage and variable-width AC voltage signals, realizes high-efficiency oil-water separation, has high response speed, and is particularly suitable for complex oil-water environments;
(2) the existing transformer scheme can be effectively replaced, and the production cost is reduced.
Example two
Referring to fig. 2, the present embodiment provides a power supply system for oil-water separation, including a power supply device 201 for oil-water separation as described in the first embodiment, and further including an upper computer 202, where the upper computer 202 is connected to the control module and is used to input an oil-water separation request signal.
Please refer to the first embodiment for the structure and the operation principle of the power supply 201 for oil-water separation, which are not described herein again.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. A power supply device for oil-water separation is characterized by comprising N AC/DC power supply modules, N DC/AC programmable power supplies and a control module;
the input ends of the N AC/DC power supply modules are connected in parallel, the output ends of the N AC/DC power supply modules are respectively connected with the input ends of the N DC/AC programmable power supplies, each DC/AC programmable power supply comprises an anode output end and a cathode output end, wherein the anode output end of the first DC/AC programmable power supply and the cathode output end of the Nth DC/AC programmable power supply lead out of a load end, the load end is arranged in an oil-water mixture, the cathode output ends and the anode output ends of the rest DC/AC programmable power supplies are sequentially connected in series, and the N AC/DC power supply modules and the N DC/AC programmable power supplies are connected with the control module;
the control module is used for receiving an oil-water separation request signal, generating an oil-water separation control signal according to the oil-water separation request signal, and sending the oil-water separation control signal to the N AC/DC power supply modules and the N DC/AC programmable power supplies, wherein the N AC/DC power supply modules are used for converting input voltage into programmable direct-current voltage signals, the N DC/AC programmable power supplies are used for converting the direct-current voltage signals into alternating-current voltage signals with adjustable frequency and width, and the alternating-current voltage signals are used for carrying out dehydration treatment on an oil-water mixture.
2. The power supply apparatus for oil-water separation of claim 1, wherein the AC/DC power module is an inruida standard AC/DC power module.
3. The power supply equipment for oil-water separation of claim 1, wherein the control module is a TMS320F28335PGFA engineering component.
4. The power supply apparatus for oil-water separation according to claim 1, wherein the input voltage is 380V alternating current.
5. The power supply apparatus for oil-water separation as claimed in claim 1, wherein the voltage range of the programmable DC voltage signal outputted by each AC/DC power supply module is 200V-750V.
6. The power supply apparatus for oil-water separation as claimed in claim 5, wherein the voltage range of the AC voltage signal outputted by the N DC/AC programmable power supplies is 2000V-4000V.
7. The power supply apparatus for oil-water separation of claim 6, wherein the number of the AC/DC power supply modules and the DC/AC programmed power supply is determined by the following formula:
wherein N is the number of AC/DC power supply modules and DC/AC program control power supplies, VACVoltage value, V, of alternating voltage signal output for N DC/AC programmable power suppliesDCAnd outputting the voltage value of the programmable direct current voltage signal for each AC/DC power supply module.
8. A power supply system for oil-water separation, which is characterized by comprising the power supply equipment for oil-water separation as claimed in any one of claims 1 to 7, and further comprising an upper computer, wherein the upper computer is connected with the control module and is used for inputting an oil-water separation request signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356646.8A CN111193413A (en) | 2018-11-15 | 2018-11-15 | Power supply equipment and system for oil-water separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356646.8A CN111193413A (en) | 2018-11-15 | 2018-11-15 | Power supply equipment and system for oil-water separation |
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| Publication Number | Publication Date |
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| CN111193413A true CN111193413A (en) | 2020-05-22 |
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| CN201811356646.8A Pending CN111193413A (en) | 2018-11-15 | 2018-11-15 | Power supply equipment and system for oil-water separation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097953A (en) * | 2009-12-11 | 2011-06-15 | 北京石油化工学院 | All-digital control secondary inverter high-voltage variable frequency rectangular wave alternating-current power supply device suitable for crude oil dehydration |
| CN105262344A (en) * | 2015-11-14 | 2016-01-20 | 武汉华海通用电气有限公司 | Expandable long-distance power transmission frequency-converter device |
| CN107896065A (en) * | 2017-11-21 | 2018-04-10 | 北京合力电气传动控制技术有限责任公司 | A kind of high-power high voltage frequency converter and its control method, device, system |
| CN108174625A (en) * | 2015-10-29 | 2018-06-15 | 株式会社日立制作所 | Supply unit and its control method |
-
2018
- 2018-11-15 CN CN201811356646.8A patent/CN111193413A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097953A (en) * | 2009-12-11 | 2011-06-15 | 北京石油化工学院 | All-digital control secondary inverter high-voltage variable frequency rectangular wave alternating-current power supply device suitable for crude oil dehydration |
| CN108174625A (en) * | 2015-10-29 | 2018-06-15 | 株式会社日立制作所 | Supply unit and its control method |
| CN105262344A (en) * | 2015-11-14 | 2016-01-20 | 武汉华海通用电气有限公司 | Expandable long-distance power transmission frequency-converter device |
| CN107896065A (en) * | 2017-11-21 | 2018-04-10 | 北京合力电气传动控制技术有限责任公司 | A kind of high-power high voltage frequency converter and its control method, device, system |
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Application publication date: 20200522 |
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