CN202829755U - Ultra-pure water preparation system - Google Patents
Ultra-pure water preparation system Download PDFInfo
- Publication number
- CN202829755U CN202829755U CN2012203652728U CN201220365272U CN202829755U CN 202829755 U CN202829755 U CN 202829755U CN 2012203652728 U CN2012203652728 U CN 2012203652728U CN 201220365272 U CN201220365272 U CN 201220365272U CN 202829755 U CN202829755 U CN 202829755U
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- reverse osmosis
- water
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- pressure pump
- pump
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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 an ultra-pure water preparation system which is simple in structure and relatively low in manufacturing cost. The ultra-pure water preparation system comprises a booster pump, a filter device, a first level high pressure pump, a first reverse osmosis device, a second level high pressure pump, a second level reverse osmosis device, a re-booster device and an electronic data interchange (EDI) electro deionization device. The booster pump, the filter device, the first level high pressure pump, the first reverse osmosis device, the second level high pressure pump, the second level reverse osmosis device, the re-booster device and the EDI electro deionization device are sequentially connected in serious through pipelines.
Description
Technical field
Present technique relates to a kind of ultrapure water production system.
Background technology
Existing water treatment device generally comprises topping-up pump, filtration unit, high-pressure pump, the reverse osmosis unit of connecting successively by pipeline.
Reverse osmosis unit belongs to prior art, generally comprise the reverse osmosis housing, be positioned at the housing two ends end cap, be arranged on the reverse osmosis membrane of reverse osmosis housing, the two ends of reverse osmosis membrane have formed former water cavity and concentrated sap cavity respectively and between two end caps; One end of penetrating fluid pipe extend in the reverse osmosis film body, and the other end passes concentrated sap cavity and stretches out end cap, extend on the tube wall of the penetrating fluid pipe in the reverse osmosis film body and has through hole.Reverse osmosis claims again reverse osmosis, and is a kind of take pressure difference as impellent, isolates the membrane sepn operative technique of solvent from solution.The former water that passes through former water cavity to film one side is exerted pressure with high-pressure pump, and when pressure surpassed its osmotic pressure, solvent can be made inverse osmosis against the direction of naturally osmotic.Thereby the solvent that obtains seeing through in the low-tension side of film, i.e. penetrating fluid, penetrating fluid flows out by the penetrating fluid pipe.The solution that obtains concentrating (concentrated solution) collects in the contracting sap cavity.If use the reverse-osmosis treated seawater, obtain fresh water in the low-tension side of film, obtain bittern in the high-tension side.
But this water treatment device generally all only has the first-stage reverse osmosis device at present, and by the water outlet that this water treatment device obtains, its specific conductivity is higher, generally at 10-40us/cm(25 ℃) between.If obtain the ultrapure water of resistivity between 5-18.2M Ω cm of effluent quality, and system complex, price is high.
Summary of the invention
The purpose of present technique provide a kind of can be simple in structure, the ultrapure water production system of ultrapure water that cost is relatively low.
This ultrapure water production system comprises topping-up pump, filtration unit, one-level high-pressure pump, first-stage reverse osmosis device, secondary high-pressure pump, second level reverse osmosis apparatus, repressurization pump, the EDI electricity desalination plant of connecting successively by pipeline.
The beneficial effect of present technique: EDI electricity desalination plant is a kind of prior art, and it is the water treatment device that combines with film, resin and electrochemical principle, EDI electricity desalination plant generally with reverse osmosis (RO) pure water as feedwater.The RO water outlet conductivity generally is S/cm(25 ℃ of 20-1 μ).It is ultrapure water at 5-18.2M Ω cm (25 ℃) that EDI electricity desalination plant goes out resistivity of water.The ultrapure water that the method makes can be used for surface cleaning, external coating, electrolytic industry and the chemical engineering industry of pharmaceutical industry, microelectronics industry, power generation industries and laboratory, particular components.
Above-mentioned ultrapure water production system, it also comprises the polishing mixed bed that is in series with EDI electricity desalination plant.The polishing mixed bed by prior art again, can electron gain, medicine or other industry be with specific conductivity 0.055 μ S/cm(resistivity 18.2 M Ω cm) theoretical pure water.Best, it also comprises the microporous membrane filters that is in series with the polishing mixed bed.The microporous membrane filters of prior art guarantees the stable of final outflow water.
Above-mentioned ultrapure water production system, the pipeline between second level reverse osmosis apparatus and EDI electricity desalination plant arranges the UV ultraviolet sterilizer.By the sterilization of UV ultraviolet sterilizer, can reduce the TOC(total carbon in the water).
Above-mentioned ultrapure water production system, the pipeline between first-stage reverse osmosis device and second level reverse osmosis apparatus arranges the pH value adjusting device.The pH value adjusting device is regulated the pH value (being generally pH=8.3) of second level reverse osmosis apparatus water inlet, with CO
2Be converted into HCO
3-, remove HCO by second level reverse osmosis apparatus
3-, reduce CO thereby reach
2Content; In addition, be in series by first-stage reverse osmosis device and two reverse osmosis units of second level reverse osmosis apparatus, guaranteed that further the specific conductivity of second level reverse osmosis apparatus effluent quality is generally between 1-10us/cm.
Description of drawings
Fig. 1 is the schematic diagram of ultrapure water production system.
Fig. 2 is the connection diagram of the component such as the raw water box, topping-up pump, filtration unit, one-level high-pressure pump, first-stage reverse osmosis device, secondary high-pressure pump, second level reverse osmosis apparatus among Fig. 1.
Fig. 3 is the electric desalination plant of one-level high-pressure pump, first-stage reverse osmosis device, secondary high-pressure pump, second level reverse osmosis apparatus, UV ultraviolet sterilizer, EDI among Fig. 1, the connection diagram of polishing the component such as mixed bed, microporous membrane filters.
Embodiment
By reference to the accompanying drawings present technique is further described below by embodiment.
Referring to the ultrapure water production system of Fig. 1, comprise raw water box 16, topping-up pump 1, high efficiency filter 2, washed ore strainer 3, activated charcoal filter 4, cartridge filter 5, one-level high-pressure pump 6, first-stage reverse osmosis device 7, secondary high-pressure pump 8, second level reverse osmosis apparatus 9, intermediate water tank 10, repressurization pump 11, UV ultraviolet sterilizer 25, EDI electricity desalination plant 12, polishing mixed bed 13, microporous membrane filters 14, the pure water tank 15 of connecting successively by pipeline.
Referring to Fig. 2, high efficiency filter, washed ore strainer, activated charcoal filter, cartridge filter have formed filtration unit.Scale inhibitor feeding device 20 is arranged on the pipeline between activated charcoal filter and the cartridge filter.Reductive agent throwing device 21 is arranged on the pipeline between washed ore strainer and the activated charcoal filter.Pipeline between topping-up pump 1 and high efficiency filter is provided with flocculating agent feeding device 22 and sterilant throwing device 23.Pipeline between first-stage reverse osmosis device and second level reverse osmosis apparatus arranges pH value adjusting device 24.
Referring to Fig. 3, the penetrating fluid out of first-stage reverse osmosis device enters second level reverse osmosis apparatus after the pressurization of secondary high-pressure pump, and second level reverse osmosis apparatus penetrating fluid out enters intermediate water tank.The concentrated solution out of first-stage reverse osmosis device and second level reverse osmosis apparatus concentrated solution out enter together and are collected into concentrated flow container 26.Process and obtain theoretical pure water through polishing mixed bed 13, microporous membrane filters 14 again from EDI electricity desalination plant 12 fresh water (pure water) out.
Raw water box: the volume of raw water box is 1～1.5 times of system's consumption, and the water source of abundance is provided for the operation of follow-up equipment.
Flocculating agent feeding device: in former water, drop into flocculation agent, the suspended particulates in the solution are assembled to connect forming thick cotton-shaped or agglomerate, colloid and mechanical particle in the water can be removed more effectively by the multimedium filter.
Topping-up pump: for follow-up pre-processing device provides stable pressure and the water yield.
High efficiency filter, washed ore strainer: utilize the filtrates such as quartz sand to remove suspended substance in the former water.
The reductive agent throwing device: because reverse osmosis membrane (RO film) made by the aromatic polyamides composite membrane, resistance to oxidation not, reductive agent can be with the reduction of the oxidisability in the water, to protect the operation steady in a long-term of RO film.
Activated charcoal filter: utilize gac to remove low molecule organic matter in the water, free chlorine effectively prevents the Organic pollutants on reverse osmosis membrane surface and the permanent damage that free chlorine causes film.
Scale inhibitor feeding device: can stop the fouling of vitriol, to prevent that the materials such as calcium sulfate are to the harm, particularly BaSO of film
4And SrSO
4The crystallization crystal is to the harm of film.
Cartridge filter: the particle of holding back greater than 5 μ m prevents from entering the first-stage reverse osmosis device, may puncture the first-stage reverse osmosis film to prevent large particulate matter after high-pressure pump is accelerated, and causes the situation of a large amount of leakage salt, scratches simultaneously the impeller of high-pressure pump.
High-pressure pump: for processed former water can provide enough pressure by reverse osmosis membrane, to reach the purpose of producing water.
Reverse osmosis unit: the heart of complete machine, former water is carried out the high filtration of precision, ratio of desalinization can arrive more than 95%.
PH value adjusting device: regulate the pH value (being generally pH=8.3) of second level reverse osmosis apparatus water inlet, with CO
2Be converted into HCO
3-, remove HCO by second level reverse osmosis apparatus
3-, reduce CO thereby reach
2Content.
Intermediate water tank: temporary reverse osmosis water outlet.
Repressurization pump: for subsequent processing device provides stable pressure and the water yield.
UV ultraviolet sterilizer: reduce the TOC(total carbon in the water).
EDI electricity desalination plant: the water technology that combines with film, resin and electrochemical principle.EDI electricity desalination plant generally with (RO) pure water of reverse osmosis unit as feedwater, according to deionized water purposes and system configuration setting, EDI electricity desalination plant is applicable to prepare resistivity and requires pure water at 5-18.2M Ω cm (25 ℃).
Smart mixed bed (polishing mixed bed): be electron gain, medicine or other industry specific conductivity 0.055 μ S/cm(resistivity 18.2 M Ω cm) theoretical pure water.
Microporous membrane filters: guarantee the stable of final outflow water.
Claims (5)
1. ultrapure water production system is characterized in that: it comprises topping-up pump, filtration unit, one-level high-pressure pump, first-stage reverse osmosis device, secondary high-pressure pump, second level reverse osmosis apparatus, repressurization pump, the EDI electricity desalination plant of connecting successively by pipeline.
2. ultrapure water production system as claimed in claim 1 it is characterized in that: further comprising the polishing mixed bed that is in series with EDI electricity desalination plant.
3. ultrapure water production system as claimed in claim 2 it is characterized in that: further comprising the microporous membrane filters that is in series with the polishing mixed bed.
4. such as the arbitrary described ultrapure water production system of claim 1-3, it is characterized in that: the pipeline between second level reverse osmosis apparatus and EDI electricity desalination plant arranges the UV ultraviolet sterilizer.
5. such as the arbitrary described ultrapure water production system of claim 1-3, it is characterized in that: the pipeline between first-stage reverse osmosis device and second level reverse osmosis apparatus arranges the pH value adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203652728U CN202829755U (en) | 2012-07-26 | 2012-07-26 | Ultra-pure water preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203652728U CN202829755U (en) | 2012-07-26 | 2012-07-26 | Ultra-pure water preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202829755U true CN202829755U (en) | 2013-03-27 |
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ID=47941510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203652728U Expired - Fee Related CN202829755U (en) | 2012-07-26 | 2012-07-26 | Ultra-pure water preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202829755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115990A (en) * | 2016-08-08 | 2016-11-16 | 河海大学 | Ultrapure water production system and method |
| CN110642441A (en) * | 2019-10-31 | 2020-01-03 | 深圳恒通源环保科技有限公司 | Ultrapure water preparation system |
-
2012
- 2012-07-26 CN CN2012203652728U patent/CN202829755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115990A (en) * | 2016-08-08 | 2016-11-16 | 河海大学 | Ultrapure water production system and method |
| CN110642441A (en) * | 2019-10-31 | 2020-01-03 | 深圳恒通源环保科技有限公司 | Ultrapure water preparation 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: 20130327 Termination date: 20150726 |
|
| EXPY | Termination of patent right or utility model |