CN205099422U - Reverse osmosis seawater desalts adaptive control system - Google Patents
Reverse osmosis seawater desalts adaptive control system Download PDFInfo
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- CN205099422U CN205099422U CN201520897899.1U CN201520897899U CN205099422U CN 205099422 U CN205099422 U CN 205099422U CN 201520897899 U CN201520897899 U CN 201520897899U CN 205099422 U CN205099422 U CN 205099422U
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- reverse osmosis
- frequency transformer
- wind
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a reverse osmosis seawater desalts adaptive control system, including wind generating set, main control unit, monitor cell, drive unit, drive unit is connected with reverse osmosis desalination device's in -take pump motor, confession water pump motor, high -pressure pump motor, wind generating set is connected with the wind -powered electricity generation controller, the wind -powered electricity generation controller with drive unit, main control unit are connected, the main control unit is connected with drive unit, monitor cell. The utility model provides high reverse osmosis desalination device's safety in utilization and reliability.
Description
Technical field
The utility model relates to a kind of reverse osmosis seawater desalting adaptive control system.
Background technology
As shown in Figure 1, it comprises water pump 1, pretreatment unit 2, intermediate water tank 3, working shaft 4, cartridge filter 5, high-pressure pump 6, reverse osmosis membrane assembly 7 to reverse osmosis desalination device structure.Reverse osmosis desalination device mainly relies on driven by power, but in the island that electrical network does not cover or side area, owing to substantially not possessing the condition providing sufficient electric power, is more used for sea water desaltination process without the unnecessary energy.Along with the continuous progress of renewable energy power generation technology and reverse osmosis technology, the local natural resources such as superior wind-force and seawater of local use, the reverse osmosis seawater desalting coupled system based on non-grid connected wind power is set up in exploitation, effectively can solve the energy and the water supply problem of certain areas, market outlook are very wide.But the renewable energy power such as wind-power electricity generation, solar electrical energy generation has unstable, fluctuation and intermittent feature, the stationary power sources of this and reverse osmosis desalination device requires contradiction.How realized Effec-tive Function and the low cost application of coupled system by advanced Controlling System, be study hotspot and the difficult problem of new forms of energy sea water desaltination always.
The electric power-feeding structure that traditional non-grid connected wind power seawater desalination system mainly adopts wind-power electricity generation and secondary battery to combine, namely the alternating-current that sends of aerogenerator is respectively through rectifying installation, secondary battery and contravariant equipment, finally supplies sea water desaltination load.This electric power-feeding structure needs to be equipped with Large Copacity energy-storage battery group and contravariant equipment, existing control method is mainly according to the energy storage situation of secondary battery, power balance is realized by regulating or switching sea water desaltination load pump, there is the problems such as construction cost is high, maintenance difficulties is large, operation stability is poor, and there is multiple energies loss in the process such as the conversion of accumulator cell charging and discharging, contravariant equipment electric energy and speed control by frequency variation, causes renewable energy power utilising efficiency low.Therefore, need to provide that a kind of energy converting structure is simple, the reverse osmosis seawater desalting adaptive control system of efficiency utilization wind energy.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, provides a kind of reverse osmosis seawater desalting adaptive control system.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of reverse osmosis seawater desalting adaptive control system, comprises wind power generating set, main control unit, monitoring means, driver element; The water pump motor of described driver element and reverse osmosis desalination device, working shaft motor, high-pressure pump motor are connected; Described wind power generating set with the alternating-current that described wind power generating set exports can be converted to galvanic wind-powered electricity generation controller and be connected; Described wind-powered electricity generation controller is connected with described driver element, main control unit; Described main control unit is connected with driver element, monitoring means.
Described monitoring means comprises voltage sensor, the current sensor of multiple monitoring wind power generating set side, wind-powered electricity generation controller side and store battery side, monitor the flow sensor of reverse osmosis desalination device pipeline running status, pressure transmitter and water quality analyzing instrument monitoring means of the present utility model structure simple, each sensor can the various states of Real-time Obtaining reverse osmosis desalination device, thus can monitor the working condition of sea-water reverse osmose desalting equipment better.
Driver element of the present utility model comprises the first frequency transformer, the second frequency transformer and the 3rd frequency transformer that are connected with described water pump motor, working shaft motor and high-pressure pump motor respectively; Described first frequency transformer, the second frequency transformer and the input termination civil power of the 3rd frequency transformer or the three-phase alternating current of oil electric engine, can realize power supply by main control unit and switch, meet the demand of different electricity consumption occasion.
The main implementation procedure of control method utilizing the utility model device to realize reverse osmosis desalination device is: when the generated output of wind power generating set is greater than reverse osmosis desalination device rated output, and when being no more than the maximum power consumption of reverse osmosis desalination device electrical load, main control unit controls wind-powered electricity generation controller and only powers to driver element, first frequency transformer, the second frequency transformer and the 3rd frequency transformer regulate the rotating speed of water pump motor, working shaft motor and high-pressure pump motor according to described generated output, realize wind power generating set maximum power output; When the generated output of wind power generating set exceedes the maximum power consumption of reverse osmosis desalination device electrical load, main control unit controls wind-powered electricity generation controller and powers to driver element, simultaneously to battery charging, now the first frequency transformer, the second frequency transformer and the 3rd frequency transformer drive water pump motor, working shaft motor, high-pressure pump motor to reach maximum working speed respectively, and absorb unnecessary electric energy by secondary battery; When the generated output of wind power generating set continues to reduce, when making generated output cannot meet the minimum power consumption of reverse osmosis desalination device, main control unit controls wind-powered electricity generation controller and drives the first frequency transformer, the second frequency transformer and the 3rd frequency transformer to maintain reverse osmosis desalination device minimum load; When generated output continues to be less than the minimum running load power of reverse osmosis desalination device, reverse osmosis desalination device is by producing water adjustable working switching to periodic running duty, stop the second frequency transformer and the 3rd frequency transformer, only the first frequency transformer work, realizes water-storage; When generated output is less than simulation power needed for the first frequency transformer, main control unit controls reverse osmosis desalination device and shuts down.
In the utility model, produce the state that water adjustable working system corresponding first frequency transformer, the second frequency transformer and the 3rd frequency transformer work simultaneously; Corresponding second frequency transformer of periodic running duty and the 3rd frequency transformer do not work, the state of only the first frequency transformer work.
Compared with prior art, the beneficial effect that the utility model has is: the alternating-current that wind power generating set sends by Controlling System of the present utility model converts direct current to, and directly as the drive energy of reverse osmosis desalination device, and be equipped with secondary battery, without the need to being equipped with contravariant equipment, simplify electric energy conversion middle-chain, reduce the accumulator capacity of traditional wind power system, improve wind-powered electricity generation utilising efficiency.
Accompanying drawing explanation
Fig. 1 is reverse osmosis desalination device structural representation;
Fig. 2 is the utility model Control system architecture block diagram.
Embodiment
As shown in Figure 2, the utility model controller of fan makes wind power generating set run with peak power output, and the three-phase alternating current sent by blower fan is converted into direct current, transfer to driver element and secondary battery respectively, driver element comprises three frequency transformers, and the three-phase alternating current of three invertors exports the motor load connecing reverse osmosis desalination device.Main control unit is according to the operational order of display unit, transmit control signal to driver element frequency transformer and controller of fan, simultaneously according to the working order of the wind power generating set output state of monitoring means Real-time Collection, current secondary battery energy accumulating state and reverse osmosis desalination device, by main control unit, dynamic coordinate, control and management are carried out to whole device.
Three frequency transformers of driver element absorb most wind-powered electricity generation energy, and by dynamic coordinate, the control and management of main control unit, keep the running balance of generated output and load power.The effect of secondary battery is that responsible Quick supplies or absorbs the electric energy of fluctuation, maintains DC voltage stability.In addition, secondary battery has under-voltage and over-voltage protecting function, overcharges or cross to put for preventing secondary battery.
The main control unit of the utility model Controlling System is PLC, and display unit is touch-screen.Wherein, the power supply of main control unit takes from secondary battery.
In whole plant running, control system analysis judges the dynamic change of wind-powered electricity generation output, thus the rotating speed of high-pressure pump electric motor that the working shaft electric motor that the water pump electric motor be connected to driver element first frequency transformer, the second frequency transformer are connected is connected with the 3rd frequency transformer regulates in real time, supplied by secondary battery Quick simultaneously or absorb the electric energy of fluctuation, keeping the running balance of generated output and load power.
When wind-powered electricity generation output is within the scope of the load power needed for current normal production, main control unit makes wind-powered electricity generation controller only power to driver element, secondary battery remains static (not working), now the first frequency transformer, the second frequency transformer and the 3rd frequency transformer regulate given rotating speed according to wind power output power, realize blower fan maximum power output.
When wind-powered electricity generation sustained production increases, make generated output exceed the maximum power consumption of sea water desaltination electrical load, main control unit makes wind-powered electricity generation controller power to driver element, simultaneously to battery charging.Now the first frequency transformer, the second frequency transformer and the 3rd Frequency Converter Control corresponding motor reach maximum working speed, and absorb unnecessary electric energy by secondary battery.
When wind-powered electricity generation sustained production reduces, make generated output cannot meet the minimum power consumption using electrical load, main control unit makes wind-powered electricity generation controller power to driver element, and now the first frequency transformer, the second frequency transformer and the 3rd frequency transformer maintain the working speed of sea water desaltination minimum load.
When wind power output power continues to be less than the minimum running load power of sea water desaltination, main control unit makes reverse osmosis desalination device from product water adjustable working switching to periodic running duty, namely stop driving the second frequency transformer of working shaft and driving the 3rd frequency transformer of high-pressure pump, only by driving the first frequency transformer work of water pump to realize water-storage.
When the output of blower fan is less than simulation power needed for the first frequency transformer, main control unit makes reverse osmosis desalination device shut down.
The direct current input of the first frequency transformer of the driver element of the utility model Controlling System, the second frequency transformer and the 3rd frequency transformer is powered by wind-powered electricity generation controller or secondary battery, it exchanges the three-phase alternating current that input can access civil power or diesel generation, and realize power supply switching by main control unit, meet the demand of different electricity consumption occasion.
Claims (6)
1. a reverse osmosis seawater desalting adaptive control system, comprises wind power generating set, main control unit, monitoring means, driver element; The water pump motor of described driver element and reverse osmosis desalination device, working shaft motor, high-pressure pump motor are connected; It is characterized in that, described wind power generating set with the alternating-current that described wind power generating set exports can be converted to galvanic wind-powered electricity generation controller and be connected; Described wind-powered electricity generation controller is connected with described driver element, main control unit; Described main control unit is connected with driver element, monitoring means.
2. reverse osmosis seawater desalting adaptive control system according to claim 1, it is characterized in that, described monitoring means comprises voltage sensor, the current sensor of multiple monitoring wind power generating set side, wind-powered electricity generation controller side and store battery side, the flow sensor of monitoring reverse osmosis desalination device pipeline running status, pressure transmitter and water quality analyzing instrument.
3. reverse osmosis seawater desalting adaptive control system according to claim 1, it is characterized in that, described driver element comprises the first frequency transformer, the second frequency transformer and the 3rd frequency transformer that are connected with described water pump motor, working shaft motor and high-pressure pump motor respectively.
4. reverse osmosis seawater desalting adaptive control system according to claim 3, is characterized in that, described first frequency transformer, the second frequency transformer and the input termination civil power of the 3rd frequency transformer or the three-phase alternating current of oil electric engine.
5. reverse osmosis seawater desalting adaptive control system according to claim 1, is characterized in that, also comprises the secondary battery be connected with described wind-powered electricity generation controller; Described secondary battery provides working power for described main control unit.
6. reverse osmosis seawater desalting adaptive control system according to claim 1, is characterized in that, described main control unit is connected with display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897899.1U CN205099422U (en) | 2015-11-12 | 2015-11-12 | Reverse osmosis seawater desalts adaptive control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897899.1U CN205099422U (en) | 2015-11-12 | 2015-11-12 | Reverse osmosis seawater desalts adaptive control system |
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| CN205099422U true CN205099422U (en) | 2016-03-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830193A (en) * | 2017-02-08 | 2017-06-13 | 广州中国科学院先进技术研究所 | Island generates electricity and sea water desalting integral system and method |
| CN113219833A (en) * | 2021-05-13 | 2021-08-06 | 曲阜师范大学 | Reverse osmosis membrane group optimization control method based on optimized pressure self-adaptive compensation |
-
2015
- 2015-11-12 CN CN201520897899.1U patent/CN205099422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830193A (en) * | 2017-02-08 | 2017-06-13 | 广州中国科学院先进技术研究所 | Island generates electricity and sea water desalting integral system and method |
| CN113219833A (en) * | 2021-05-13 | 2021-08-06 | 曲阜师范大学 | Reverse osmosis membrane group optimization control method based on optimized pressure self-adaptive compensation |
| CN113219833B (en) * | 2021-05-13 | 2023-08-01 | 曲阜师范大学 | Optimized control method of reverse osmosis membrane group based on optimized pressure self-adaptive compensation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 16, camphor East Road, Yuhua District, Changsha, Hunan Patentee after: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Patentee after: China Power Construction Environmental Protection Technology Co.,Ltd. Address before: No. 16, camphor East Road, Yuhua District, Changsha, Hunan Patentee before: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Patentee before: Hunan Zhongnan Water Environmental Protection Technology Co.,Ltd. |