CN202658019U - Small-sized sea water desalting equipment provided with energy recovery device and suitable for new energy independent power net - Google Patents
Small-sized sea water desalting equipment provided with energy recovery device and suitable for new energy independent power net Download PDFInfo
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- CN202658019U CN202658019U CN2012202381076U CN201220238107U CN202658019U CN 202658019 U CN202658019 U CN 202658019U CN 2012202381076 U CN2012202381076 U CN 2012202381076U CN 201220238107 U CN201220238107 U CN 201220238107U CN 202658019 U CN202658019 U CN 202658019U
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- water
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- reverse osmosis
- osmosis membrane
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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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Abstract
The utility model provides small-sized sea water desalting equipment provided with an energy recovery device and suitable for a new energy independent power net. The equipment comprises a raw water pump and a multi-stage filter connected with the raw water pump by virtue of a water inlet, wherein the water outlet of the multi-stage filter is connected with the water inlet of a reverse osmosis membrane through a high pressure pump, one branch of the fresh water outlet of the reverse osmosis membrane is connected with a cleaning water tank by virtue of a water replenishing valve, and the other branch of the fresh water outlet of the reverse osmosis membrane is connected with fresh water storing equipment by virtue of a water producing valve; one branch of the high-pressure concentrated salt water outlet of the reverse osmosis membrane is connected with the cleaning water tank by virtue of a pipeline and a cleaning back-water valve; and the other branch of the high-pressure concentrated salt water outlet of the reverse osmosis membrane is connected with the energy recovery device; and the energy recovery device and the high pressure pump jointly use a coaxial motor, and the motor is connected with a frequency changer. According to the small-sized sea water desalting equipment, the high-pressure concentrated salt water outlet of the reverse osmosis membrane is provided with the energy recovery device connected with the high pressure pump by virtue of the motor, and the high-pressure concentrated water high-pressure water energy is converted into mechanical energy, so that the energy can be recovered by the motor, and thus the water producing energy consumption can be effectively reduced.
Description
Technical field
The utility model relates to new forms of energy independence electrical network desalination technology, is specifically related to a kind of small-sized sea water desalting equipment with energy recycle device that Island abundant at new forms of energy such as wind energy, sun power but Freshwater resources and household electricity relative shortage is used that is applicable to.
Background technology
Reverse-osmosis Seawater Desalination Technology is the main form of utilizing of present desalination technology, and an important goal of its development is to reduce running cost.The shared proportion maximum of energy consumption in the formation of running cost, reducing energy consumption is to reduce the most effective means of sea water desaltination cost.
Reverse osmosis sea water desalting energy recovery device mainly contains hydraulic turbine formula and Work-exchange type two large classes.The hydraulic turbine formula is used for being installed in series with high-pressure pump, reaches energy-conservation purpose by reducing the required lift of high-pressure pump, does not need topping-up pump and automatic valve, and the unit flow is large, but efficient is lower, and particularly efficient is lower during low flow; Work-exchange type is used for being installed in parallel with high-pressure pump, reaches energy-conservation purpose by reducing the required flow of high-pressure pump, generally needs the configuration topping-up pump, and the unit flow is less, can in parallelly use, and all can reach higher efficient in very wide flow range.
Multiplex in daily output water 500m with the sea water desalting equipment of energy recycle device on the engineering
3In the middle of the above seawater desalination system, owing to the higher organic efficiency that is hard to keep, the restriction of device fabrication high in cost of production reason is used extensive not in small-sized seawater desalination system.
In China, utilize new forms of energy (wind energy, sun power etc.) to carry out the existing nearly 20 years research history of sea water desaltination, but still be at present research or pilot operation phase, also there is not the example of mass-producing operation.
For design and the processing of independent new forms of energy sea water desalting equipment, be mostly that the equipment in the project routinely carries out suitable change, to be applicable to the application under the independent new forms of energy working condition.
For installing less than 100m
3The sea water desalting equipment of/d in the application on island not yet relevant for application case, the especially application in new forms of energy independence electrical network sea water desalting equipment of energy recycle device.
The utility model content
The small-sized sea water desalting equipment with energy recycle device that vertical electrical network is used, this operation of equipment is simple, level of automation is high, cost is low, the efficient that the energy Effective Raise utilizes new forms of energy to carry out sea water desaltination, and can effectively reduce the sea water desaltination energy consumption.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of small-sized sea water desalting equipment with energy recycle device, the Multistage filtering device that comprises raw water pump, is connected with described raw water pump water outlet by water-in, described Multistage filtering device water outlet connects the reverse osmosis membrane water-in by high-pressure pump, fresh water water outlet one branch road of described reverse osmosis membrane connects cleaning water tank water supplement port by pipeline and water compensating valve, and another is by pipeline and produce water valve connection fresh water water storage apparatus; High-pressure thick brine outlet one branch road of described reverse osmosis membrane by pipeline be connected back-water valve and clean the water tank water return outlet and be connected; Another branch road of high-pressure thick brine outlet at described reverse osmosis membrane connects energy recycle device; Described energy recycle device and described high-pressure pump share a coaxial motor, and described motor is connected with frequency transformer.
The utility model is also further by the following technical solutions:
Connecting pipeline at described reverse osmosis membrane and described cleaning water tank water supplement port is provided with specific conductivity table, water flowmeter, described water flowmeter connection traffic transmitter.
Described filtration unit comprises sand filtration strainer, the accurate filter and the cartridge filter that are connected with described sand filtration strainer; Suction culvert at described sand filtration strainer, accurate filter and cartridge filter is equipped with an electric three-way valve; Described cartridge filter connects described reverse osmosis membrane by described high-pressure pump; On the inlet and outlet pipe of described sand filtration strainer, accurate filter and cartridge filter and described high-pressure pump water outlet and reverse osmosis membrane water-in connecting pipeline be equipped with a tensimeter.
The tensimeter that is located on described high-pressure pump water outlet and the described reverse osmosis membrane water-in connecting pipeline also is connected with a pressure unit.
Described cleaning water tank is connected with electric three-way valve on being located at described cartridge filter suction culvert by scavenging pump.
Described raw water pump, high-pressure pump, electric three-way valve, pressure unit, specific conductivity table and flow transmitter all are connected with the PLC controller.
The utility model is adapting on the new forms of energy independence electrical network seawater desalination system basis, by being provided with energy recycle device at reverse osmosis membrane high-pressure thick brine outlet, and be connected by coaxial motor with high-pressure pump, by this energy recycle device the high-pressure hydraulic of high-pressure thick water is converted into mechanical energy and realizes energy recovery for described motor utilization, thereby the unit of effectively reducing produces water consumption.
Description of drawings
Fig. 1 is the structural representation with the small-sized sea water desalting equipment of energy recycle device that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.
See also shown in Figure 1ly, the figure shows a kind of structure that is suitable for the small-sized sea water desalting equipment of new forms of energy independence electrical network with energy recycle device that the utility model embodiment provides; For convenience of explanation, only show the part relevant with the utility model embodiment.
Referring to Fig. 1, a kind of small-sized sea water desalting equipment with energy recycle device, comprise raw water pump 9, the Multistage filtering device that is connected with described raw water pump 9 water outlets by water-in, described Multistage filtering device water outlet connects reverse osmosis membrane 25 water-ins by high-pressure pump 10, fresh water water outlet one branch road of described reverse osmosis membrane 25 connects cleaning water tank 22 by pipeline and water compensating valve 6, another branch road is by pipeline and produce water valve 7 and connect the fresh water water storage apparatus, and high-pressure thick brine outlet one branch road of described reverse osmosis membrane 25 is by pipeline and be connected back-water valve 8 and be connected with cleaning water tank water return outlet; Another branch road of high-pressure thick brine outlet at described reverse osmosis membrane 25 connects energy recycle device 11; Described cleaning back-water valve 8 is the electric three-way valve; Described energy recycle device 11 shares a coaxial motor 13 with described high-pressure pump 10, and described motor 13 is connected with frequency transformer 14.
The high-pressure thick salt solution that described reverse osmosis membrane 25 is discharged is converted into mechanical energy power supply machine 13 recyclings to high-pressure hydraulic by described energy recycle device 11, thereby realizes energy recovery after connecting pipeline enters energy recycle device 11.
Also be provided with specific conductivity table 16, water flowmeter 17 and safety valve 27 on the connecting pipeline of described reverse osmosis membrane 25 and described cleaning water tank 22 water supplement ports, described water flowmeter 17 is connected with flow transmitter 28.
Establish manually operated control valve 26 on described reverse osmosis membrane 25 and the described cleaning water tank 22 water return outlet connecting pipelines.
Wherein, the tensimeter that is located on described high-pressure pump 10 water outlets and the reverse osmosis membrane 25 water-in connecting pipelines also is connected with a pressure unit 29.
Described cleaning water tank 22 by scavenging pump 12 be located at cartridge filter 21 suction culverts on the electric three-way valve---clean water intaking valve 3 and be connected, be used for the flushing of reverse osmosis membrane.
Be provided with high level switch 23, low liquid level switch 24 at described cleaning water tank 22, be connected with the PLC controller respectively, be respectively applied to trigger, close when liquid in cleaning water tank 22 is in high liquid level described raw water pump 9 and high-pressure pump 10, triggering when low liquid level, close described scavenging pump 12.
Above-described each control valve (except manually operated control valve 26 and safety valve 27) is controlled coordination by described PLC controller 18.Described PLC controller 18 also connects described specific conductivity table 16, flow transmitter 28, pressure unit 29 and described frequency transformer 14, is used for gathering, monitoring and produce electrical conductivity of water, uninterrupted, pressure size and control described frequency transformer 14 by described specific conductivity table 16, flow transmitter 28, pressure unit 29.
When the utility model starts, at first start topping-up pump, seawater reaches high-pressure pump behind sand filtration strainer, cartridge filter; When water pressure rose to set(ting)value before the pump of high-pressure pump, high-pressure pump started, and high pressure sea water enters reverse osmosis membrane shell, begins to produce water.The higher fresh water of saltiness that initial stage produces enters the cleaning water tank, and strong brine carries out the conversion of high-pressure energy through energy recycle device, then discharges from the strong brine pipeline; Through the monitored conductivity table look-up produce water water quality qualified after, enter normal product Water flow-path: switch and produce water control valve, the fresh water that produces enter the product water tank by described product water control valve.
When need shutting down, send stop instruction by the PLC controller, at first switch water compensating valve, to cleaning water filling in the water tank, reach clean the cistern water level upper limit after, raw water pump and high-pressure pump are closed, and stop to produce water; Then switch and clean back-water valve, then scavenging pump starts automatically, and the fresh water flushing membrane is discharged by normally closed motorized valve and energy recycle device, after water level is reduced to the water level lower limit in the cleaning water tank, flushing water pump is closed, and cleans water-returning control valve and resets, and reverts to holding state.
The utility model passes through water intaking valve 1, sand filtration outlet valve 2, cleans water intaking valve 3 in operational process; backwash bleed valve 4, just wash bleed valve 5, water compensating valve 6, produce water valve 7, clean the co-ordination between back-water valve 8, raw water pump 9, the high-pressure pump 10 etc.; can realize the functions such as sand filtering device backwash, the front putamina flushing of shutdown; have simultaneously long-range and two kinds of operator schemes of manual operation on the spot, level of automation is high.
The utility model also has the functions such as matting, and by the coordination of valve, matting is carried out in dosing, prolongs reverse osmosis membrane apparatus work-ing life.
The below is as follows to workflow accompanying drawings of the present utility model:
1, produces water start and stop flow process
Need before the operation open and close of each valve are checked, to determine to be in normal holding state.Under the normal holding state, water intaking valve 1, sand filtration outlet valve 2, cleaning water intaking valve 3 are opened; The path blockade of backwash and matting, backwash bleed valve 4 and just washing bleed valve 5 and closing, water compensating valve 6 are closed, are produced water valve 7 and open, and clean back-water valve 8 and close.
(1), produce Water flow-path:
(2) shut down flow process:
2, sand filtration backwash flow process (the sand filtration backwash is that a key starts, and realizes by the PLC controller)
After starting sand filtration backwash process, water intaking valve 1, sand filtration outlet valve 2 automatically switch, backwash bleed valve 4 is opened, raw water pump 9 is opened, move 10 minutes (adjustable) after, raw water pump 9 cuts out, water intaking valve 1 switches, backwash bleed valve 4 cuts out, is just washing bleed valve 5 and opens, and raw water pump 9 is opened and moved 2 minutes (adjustable), and raw water pump 9 cuts out; Water intaking valve 1 switches, and backwash bleed valve 4 cuts out, and is just washing bleed valve 5 and is opening, and after raw water pump 9 was opened and moved 2 minutes (adjustable), raw water pump 9 cut out, and is just washing bleed valve 5 and is opening, and sand filtration outlet valve 2 switches.
3, matting flow process (this matting is manual operation)
After chemical cleaning solution is ready to, will cleans water intaking valve 3 by manual operation and switch to cleaning, back-water valve 8, water compensating valve 6 are cleaned in simultaneously unlatching, close and produce water valve 7, and this moment, scavenging pump 12 unlatchings after moving 1.5 hours (adjustable), were closed scavenging pump 12; The scavenging solution in the water tank is cleaned in discharging, change fresh water after, open scavenging pump 12 and clean, drop under the water level in limited time when cleaning cistern water level, scavenging pump 12 cuts out, and cleans complete.
The utility model is applicable to installation less than 100m
3The sea water desaltination project of/d, the rate of recovery are 27% ~ 32%, produce the water desalination rate greater than 99.5%, produce water water quality and reach drinking water standard; System's needs that can adapt to new forms of energy independence electrical network.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. small-sized sea water desalting equipment that is suitable for new forms of energy independence electrical network with energy recycle device, the Multistage filtering device that comprises raw water pump, is connected with described raw water pump water outlet by water-in, described Multistage filtering device water outlet connects the reverse osmosis membrane water-in by high-pressure pump, fresh water water outlet one branch road of described reverse osmosis membrane connects cleaning water tank water supplement port by pipeline and water compensating valve, and another branch road is by pipeline and produce water valve connection fresh water water storage apparatus; High-pressure thick brine outlet one branch road of described reverse osmosis membrane by pipeline be connected back-water valve and clean the water tank water return outlet and be connected; It is characterized in that, at another branch road connection energy recycle device of high-pressure thick brine outlet of described reverse osmosis membrane; Described energy recycle device and described high-pressure pump share a coaxial motor, and described motor is connected with frequency transformer.
2. the small-sized sea water desalting equipment that is suitable for new forms of energy independence electrical network with energy recycle device according to claim 1, it is characterized in that, connecting pipeline at described reverse osmosis membrane and described cleaning water tank water supplement port is provided with specific conductivity table, water flowmeter, described water flowmeter connection traffic transmitter.
3. the small-sized sea water desalting equipment that is suitable for new forms of energy independence electrical network with energy recycle device according to claim 1 and 2, it is characterized in that described Multistage filtering device comprises sand filtration strainer, the accurate filter and the cartridge filter that are connected with described sand filtration strainer; Suction culvert at described sand filtration strainer, accurate filter and cartridge filter is equipped with an electric three-way valve; Described cartridge filter connects described reverse osmosis membrane by described high-pressure pump; On the inlet and outlet pipe of described sand filtration strainer, accurate filter and cartridge filter and described high-pressure pump water outlet and reverse osmosis membrane water-in connecting pipeline be equipped with a tensimeter.
4. the small-sized sea water desalting equipment that is suitable for new forms of energy independence electrical network with energy recycle device according to claim 3, it is characterized in that the tensimeter that is located on described high-pressure pump water outlet and the described reverse osmosis membrane water-in connecting pipeline also is connected with a pressure unit.
5. according to claim 4ly be suitable for the small-sized sea water desalting equipment of new forms of energy independence electrical network with energy recycle device, it is characterized in that, described cleaning water tank is connected with electric three-way valve on being located at described cartridge filter suction culvert by scavenging pump.
6. the small-sized sea water desalting equipment that is suitable for new forms of energy independence electrical network with energy recycle device according to claim 5, it is characterized in that described raw water pump, high-pressure pump, electric three-way valve, pressure unit, specific conductivity table and flow transmitter all are connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202381076U CN202658019U (en) | 2012-05-25 | 2012-05-25 | Small-sized sea water desalting equipment provided with energy recovery device and suitable for new energy independent power net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202381076U CN202658019U (en) | 2012-05-25 | 2012-05-25 | Small-sized sea water desalting equipment provided with energy recovery device and suitable for new energy independent power net |
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| CN202658019U true CN202658019U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202381076U Expired - Fee Related CN202658019U (en) | 2012-05-25 | 2012-05-25 | Small-sized sea water desalting equipment provided with energy recovery device and suitable for new energy independent power net |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658029A (en) * | 2012-05-25 | 2012-09-12 | 中国水利水电科学研究院 | Small seawater desalting equipment with energy recovery device applicable to new-energy independent power grid |
| CN106517596A (en) * | 2016-12-22 | 2017-03-22 | 重庆市沃利克环保设备有限公司 | Reverse osmosis seawater desalination system and treatment process implemented by same |
| CN107445322A (en) * | 2017-09-06 | 2017-12-08 | 北京大学深圳研究生院 | One kind miniaturization reverse osmosis seawater desalination system |
-
2012
- 2012-05-25 CN CN2012202381076U patent/CN202658019U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658029A (en) * | 2012-05-25 | 2012-09-12 | 中国水利水电科学研究院 | Small seawater desalting equipment with energy recovery device applicable to new-energy independent power grid |
| CN106517596A (en) * | 2016-12-22 | 2017-03-22 | 重庆市沃利克环保设备有限公司 | Reverse osmosis seawater desalination system and treatment process implemented by same |
| CN107445322A (en) * | 2017-09-06 | 2017-12-08 | 北京大学深圳研究生院 | One kind miniaturization reverse osmosis seawater desalination system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |