CN209636030U - A kind of seawater desalination system with on-line cleaning device - Google Patents
A kind of seawater desalination system with on-line cleaning device Download PDFInfo
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- CN209636030U CN209636030U CN201920172363.1U CN201920172363U CN209636030U CN 209636030 U CN209636030 U CN 209636030U CN 201920172363 U CN201920172363 U CN 201920172363U CN 209636030 U CN209636030 U CN 209636030U
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- water
- membrane module
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- cartridge filter
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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 discloses a kind of seawater desalination system with on-line cleaning device, including sequentially connected water pump, flocculation sedimentation room, quartz filter, active carbon filter, first cartridge filter, membrane module, hybrid ionic exchange column and fresh water basin, it further include on-line cleaning system, the on-line cleaning system includes cleaning pump, second cartridge filter and water tank, the water outlet of the cleaning pump is connected to the water inlet of second cartridge filter by pipeline, the second cartridge filter water outlet is connected to by pipeline with the water inlet line of the membrane module, water inlet pipe is provided at the top of the water tank, bottom is provided with sewage pipe, the water tank respectively with the high-pressure thick waterpipe of the membrane module and water production pipeline downlink connection, the discharge outlet of the water tank bottom is connected to the water inlet of the cleaning pump by pipeline.This system solves the problems, such as that existing seawater desalination system membrane module cleaning frequency is higher and is difficult to restore membrane component purification function by cleaning.
Description
Technical field
The utility model relates to technical field of water treatment equipment, in particular to a kind of seawater with on-line cleaning device is light
Change system.
Background technique
As Development of Urbanization, population increase, Global climate change and economic situation variation keep the demand of water resource quick
Increase, shortage of fresh water problem has become the great realistic problem that the whole world is paid close attention to jointly.Sea water desalination is stable water resource
Increment technique can be used as the important supplement and strategic reserves of water resource, and developing desalination technology is to solve current social fresh water
One of the important means of shortage of resources problem.Reverse-osmosis Seawater Desalination Technology increasingly becomes generation due to its technology advantage itself
The mainstream technology of various countries, boundary Seawater Desalination Project.
Membrane module in use, needing to be maintained property cleaning, with the extension of use time, reverse osmosis membrane it is clear
Washing frequency can also increase therewith, since cleaning method is improper, cleaning is not thorough or need to due to producing in normal production process
It cannot clean in time, if things go on like this serious pollution occurs in reverse-osmosis membrane element, is cleaned, but many times by clear
Equipment is washed also to be difficult thoroughly to restore the purifying property of reverse-osmosis membrane element.
Utility model content
The utility model provides a kind of seawater desalination system with on-line cleaning device, solves existing sea water desalination system
System membrane module cleaning frequency is higher and is difficult to the problem of restoring membrane component purification function by cleaning.
In order to solve the above technical problems, the technical solution of the utility model is achieved in that
The utility model provides a kind of seawater desalination system with on-line cleaning device, including sequentially connected water intaking
Pump, flocculation sedimentation room, quartz filter, active carbon filter, the first cartridge filter, membrane module, hybrid ionic exchange column
It further include on-line cleaning system with fresh water basin, the on-line cleaning system includes cleaning pump, the second cartridge filter and water
Case, the water outlet of the cleaning pump are connected to the water inlet of second cartridge filter by pipeline, and described second ensured public security
Filter water outlet is connected to by pipeline with the water inlet line of the membrane module, and water inlet pipe, bottom are provided at the top of the water tank
Be provided with sewage pipe, the water tank respectively with the high-pressure thick waterpipe of the membrane module and water production pipeline downlink connection, the water tank
The discharge outlet of bottom is connected to the water inlet of the cleaning pump by pipeline.
Wherein it is preferred to which the membrane module is also connected with air compressor.
Wherein it is preferred to further include high pressure water supply system, the high pressure water supply system includes energy exchanger and pressurization
Pump, the high pressure water inlet of the energy exchanger is exported with the concentrated seawater of the membrane module to be connect by high-pressure thick waterpipe, institute
It states energy exchanger and is also connected with low pressure concentrated water outlet pipe, low pressure seawater inlet pipe and high pressure sea water outlet pipe, the low pressure seawater inlet pipe
It is connect with the cartridge filter water outlet, the low pressure seawater inlet pipe is connect with the water inlet pipe of the membrane module, the pressurization
Pump is arranged in the high pressure sea water outlet pipe.
Wherein it is preferred to further include high-pressure pump, the pipe for connecting first cartridge filter and the membrane module is set
On road, the outlet pipe of the booster pump is connected on the pipeline between the high-pressure pump and the membrane module.
Wherein it is preferred to further include flotation tank, it is connected in parallel with the flocculation sedimentation room.
Wherein it is preferred to further include electric deionizer, it is connected in parallel with the hybrid ionic exchange column.
The utility model has the beneficial effects that
1. this system uses the main desalting technology of embrane method, under conditions of room temperature not undergoing phase transition, solute and water are carried out
Separation, and compared with the separation method for having phase change, energy consumption is lower.
2. this system has on-line cleaning system, other cleaning equipments are not needed, easy to clean, cleaning efficiency is high, mentions
Height understands the cleaning effect of reverse-osmosis membrane element, so that reverse-osmosis membrane element restores purification function.
3. the utility model is provided with high pressure water supply system, and the concentrated seawater pressure still 5.6 discharged from film group device~
The pressure of 5.8MPa, direct emission cause a large amount of energy dissipations, and this system selects energy recycle device, can recycle 35%-
95% concentrated water end energy.
4. the utility model is according to the customized standard scheme of influent quality condition, using multiple combinations technique, it is ensured that
System producing water water quality is stablized, and ensure that water demand.
Detailed description of the invention
Fig. 1 is the schematic diagram of seawater desalination system of the utility model with on-line cleaning device.
In figure, 1. water pumps, 2. flocculation sedimentation rooms, 3. quartz filters, 4. active carbon filters, 5. first ensured public security
Filter, 6. membrane modules, 7. hybrid ionic exchange columns, 8. fresh water basins, 9. energy exchangers, 10. booster pumps, 11. high-pressure pumps,
12. flotation tank, 13. electric deionizers, 14. clear water reserviors, 15. cleaning pumps, 16. second cartridge filters, 17. water tanks, 17-1.
Water inlet pipe, 17-2. sewage pipe, 18. high-pressure thick waterpipes, 19. water production pipelines, 20. compressors
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the present embodiment provides a kind of seawater desalination systems with on-line cleaning device, including it is sequentially connected
Water pump 1, flocculation sedimentation room 2, quartz filter 3, active carbon filter 4, the first cartridge filter 5, membrane module 6, mixed
Ion exchange column 7 and fresh water basin 8 are closed, further includes on-line cleaning system, on-line cleaning system includes that cleaning pump 15, second is ensured public security
Filter 16 and water tank 17, the water outlet of cleaning pump 15 are connected to the water inlet of the second cartridge filter 16 by pipeline, and second
16 water outlet of cartridge filter is connected to by pipeline with the road water inlet pipe 17-1 of membrane module 6, and the top of water tank 17 is provided with into water
Pipe 17-1, bottom are provided with sewage pipe 17-2, and water tank 17 connects with the high-pressure thick waterpipe 18 of membrane module 6 and water production pipeline 19 respectively
Connection, the discharge outlet of 17 bottom of water tank is connected to the water inlet of cleaning pump 15 by pipeline, in addition, membrane module 6 is also connected with pressure
Contracting machine 20.
In the present system, by adding coagulated agent into flocculation sedimentation room 2, turbidity, the coloration of raw water can both be reduced
Etc. water quality sense index, and a variety of hazardous contaminants can be removed, be used for the higher seawater of turbidity.
Quartz filter 3 removes various suspended matters, microorganism and other subparticles in water removal using filter medium,
Be finally reached reduce water turbidity, purify water effect, delivery turbidity is up to 3 degree hereinafter, completely can after clear seawater
To be directly accessed the processing of quartz filter 3.
Active carbon filter 4 can adsorb the chlorine residue that not can be removed in prime filtering, can effectively ensure that subsequent equipment uses
Service life improves effluent quality, prevents from polluting, especially prevent rear class reverse osmosis membrane, the free state chlorine residue of ion exchange resin etc.
Poisoning pollution, can further decrease the SDI value of RO water inlet, guarantee SDI < 5, TOC < 2.0ppm.
Membrane module 6 is reverse osmosis module, is the UF membrane behaviour for isolating solvent from solution using pressure difference as motive force
Make.Pressure is applied to the feed liquid of film side, when pressure is more than its osmotic pressure, solvent can be made anti-against the direction of naturally osmotic
To infiltration.To the solvent that the low-pressure side in film is penetrated, i.e. penetrating fluid；The solution that high-pressure side is concentrated, i.e. concentrate.
If being obtained fresh water with reverse osmosis treatment seawater in the low-pressure side of film, being obtained brine in high-pressure side, go water removal in dissolved salts,
Colloid, microorganism, organic matter etc., removal rate is up to 97-98%.
When cleaning, medicament can be added in water tank 17, be then turned on cleaning pump 15, cleaning pump 15 is by the medicine in water tank 17
Liquid is transported to the second security personnel filtering, and cartridge filter is by after the contaminant removals such as colloid, microorganism in medical fluid, to reverse osmosis membrane
Element is cleaned, and for medical fluid while cleaning reverse-osmosis membrane element, it is empty that air compressor 20 is passed through compression into reverse osmosis membrane
Gas makes reverse osmosis membrane assembly 6 restore purification function to improve cleaning effect；The concentrated water of membrane module 6 passes through high-pressure thick waterpipe
18 flow into water tank 17, and are discharged from sewage pipe 17-2；Again from water inlet pipe 17-1 into water tank 17 injected clear water, cleaning pump 15 is by water
Clear water in case 17 is filtered in incoming membrane module 6 by the second security personnel, is cleaned to it, obtained cleaning solution is by water production pipeline 19
Water tank 17 is flowed into, circulation is multiple, so that reverse-osmosis membrane element restores purification function completely.
It wherein, further include high pressure water supply system, high pressure water supply system includes energy exchanger 9 and booster pump 10, and energy is handed over
The high pressure water inlet of parallel operation 9 is connect with the outlet of the concentrated seawater of membrane module 6 by high-pressure thick waterpipe 18, and energy exchanger 9 also connects
It is connected to low pressure concentrated water outlet pipe, low pressure seawater inlet pipe and high pressure sea water outlet pipe, low pressure seawater inlet pipe and cartridge filter water outlet connect
It connects, low pressure seawater inlet pipe is connect with the water inlet pipe 17-1 of membrane module 6, and booster pump 10 is arranged in high pressure sea water outlet pipe.High pressure is given
Water system, the concentrated water pressure discharged from the film group device still pressure of 5.6~5.8MPa, direct emission cause a large amount of energy dissipations,
This system selects energy recycle device, can recycle the concentrated water end energy of 35%-95%.
Wherein, further include high-pressure pump 11, be arranged on the pipeline of the first cartridge filter 5 of connection and membrane module 6, booster pump
10 outlet pipe is connected on the pipeline between high-pressure pump 11 and membrane module 6.
Wherein, further include flotation tank 12, be connected in parallel with flocculation sedimentation room 2.
Wherein, further include electric deionizer 13, be connected in parallel with hybrid ionic exchange column 7.
Wherein, further include flotation tank 12, be connected in parallel with flocculation sedimentation room 2.Air bearing is to form high degree of dispersion in water
Micro-bubble adheres to the solid or liquid particles of hydrophobic group in waste water, forms water-gas-particle three-phase mixed system, particle adherency
After bubble, formed apparent density be less than water wadding body and float to the water surface, formed scum layer be stripped off, thus realize solid-liquid or
The process of Liquid liquid Separation, suitable for the seawater more containing oil, algae.
Wherein, further include electric deionizer 13, be connected in parallel with hybrid ionic exchange column 7.Electric deionizer 13 is main
If displacement occurs by dielectric ion in the water of partition, using exchange membrane to ion under the action of DC electric field
Selection through effect come a kind of water treatment technology of the science purified to water quality, remove 97 using RO infiltration water~
Under the premise of 99% ion, reverse osmosis produced water can be directly purified to the standard of pure water, high purity water, ultrapure water by EDI, without making
With ion exchange mixed bed, the resistivity for producing water reaches as high as 18M Ω cm.
In addition, being additionally provided with clear water reserviors 14 in flocculation sedimentation room 2 or flotation tank 12 and quartz filter 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of seawater desalination system with on-line cleaning device, including sequentially connected water pump, flocculation sedimentation room, quartz
Sand filter, active carbon filter, the first cartridge filter, membrane module, hybrid ionic exchange column and fresh water basin, feature exist
In: it further include on-line cleaning system, the on-line cleaning system includes cleaning pump, the second cartridge filter and water tank, described clear
The water outlet for washing pump is connected to the water inlet of second cartridge filter by pipeline, the second cartridge filter water outlet
It is connected to by pipeline with the water inlet line of the membrane module, water inlet pipe is provided at the top of the water tank, bottom is provided with blowdown
Pipe, the water tank respectively with the high-pressure thick waterpipe of the membrane module and water production pipeline downlink connection, the draining of the water tank bottom
Mouth is connected to the water inlet of the cleaning pump by pipeline.
2. a kind of seawater desalination system with on-line cleaning device according to claim 1, it is characterised in that: the film
Component is also connected with air compressor.
3. a kind of seawater desalination system with on-line cleaning device according to claim 1, it is characterised in that: further include
High pressure water supply system, the high pressure water supply system include energy exchanger and booster pump, the high pressure water of the energy exchanger into
Mouth is exported with the concentrated seawater of the membrane module and is connect by high-pressure thick waterpipe, and the energy exchanger is also connected with low pressure concentrated water
Outlet pipe, low pressure seawater inlet pipe and high pressure sea water outlet pipe, the low pressure seawater inlet pipe are connect with the cartridge filter water outlet, institute
It states low pressure seawater inlet pipe to connect with the water inlet pipe of the membrane module, the booster pump is arranged in the high pressure sea water outlet pipe.
4. a kind of seawater desalination system with on-line cleaning device according to claim 3, it is characterised in that: further include
High-pressure pump is arranged on the pipeline for connecting first cartridge filter and the membrane module, and the outlet pipe of the booster pump connects
It connects on the pipeline between the high-pressure pump and the membrane module.
5. a kind of seawater desalination system with on-line cleaning device according to claim 1, it is characterised in that: further include
Flotation tank is connected in parallel with the flocculation sedimentation room.
6. a kind of seawater desalination system with on-line cleaning device according to claim 1, it is characterised in that: further include
Electric deionizer is connected in parallel with the hybrid ionic exchange column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920172363.1U CN209636030U (en) | 2019-01-30 | 2019-01-30 | A kind of seawater desalination system with on-line cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920172363.1U CN209636030U (en) | 2019-01-30 | 2019-01-30 | A kind of seawater desalination system with on-line cleaning device |
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| Publication Number | Publication Date |
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| CN209636030U true CN209636030U (en) | 2019-11-15 |
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| CN201920172363.1U Active CN209636030U (en) | 2019-01-30 | 2019-01-30 | A kind of seawater desalination system with on-line cleaning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159602A (en) * | 2022-07-14 | 2022-10-11 | 天津国投津能发电有限公司 | Low-temperature multi-effect seawater desalination cleaning sludge online removal system |
-
2019
- 2019-01-30 CN CN201920172363.1U patent/CN209636030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159602A (en) * | 2022-07-14 | 2022-10-11 | 天津国投津能发电有限公司 | Low-temperature multi-effect seawater desalination cleaning sludge online removal system |
| CN115159602B (en) * | 2022-07-14 | 2023-12-05 | 天津国投津能发电有限公司 | Low-temperature multi-effect seawater desalination cleaning sludge on-line removal system |
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