CN107662991A - A kind of ultrapure water production system - Google Patents
A kind of ultrapure water production system Download PDFInfo
- Publication number
- CN107662991A CN107662991A CN201711153957.XA CN201711153957A CN107662991A CN 107662991 A CN107662991 A CN 107662991A CN 201711153957 A CN201711153957 A CN 201711153957A CN 107662991 A CN107662991 A CN 107662991A
- Authority
- CN
- China
- Prior art keywords
- water tank
- filter
- reverse osmosis
- pipeline
- production system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
- C02F1/4695—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis electrodeionisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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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
Abstract
The invention discloses a kind of ultrapure water production system, including raw water box, sand filter, active carbon filter, accurate filter, first-stage reverse osmosis device, intermediate water tank, second level reverse osmosis apparatus, second intermediate water tank, EDI electricity demineralizers, pure water tank and microporous membrane filters, raw water is through sand filter and active carbon filter, remove various suspensions in water removal, microorganism, and other subparticles, then through two steps ro device, the high filtering of precision is carried out to raw water, salt rejection rate can reach more than 95%, most afterwards through EDI electricity demineralizers, prepare pure water of the resistivity requirement in 5 18.2M Ω cm (25 DEG C) scopes.The present invention can prepare the ultra-pure water of high quality, can be widely used for pharmaceuticals industry, microelectronics industry, power generation industries and laboratory, the surface clean of particular components, external coating, electrolytic industry and chemical engineering industry.
Description
Technical field
The present invention relates to a kind of ultrapure water production system, belong to technical field of water treatment equipment.
Background technology
Ultra-pure water is usually used in integrated circuit industry, for the cleaning of semiconductor source material, the preparation of lithography mask version, together
When ultra-pure water be also most commonly used material in laboratory, in Instrumental Analysis, high-purity analysis and during preparing chemical reagent, institute
The purity of the water used is extremely important, and excess ions and dissolved organic matter and impurity can interfere to experimental analysis in water,
Cause testing result inaccurate, preferable experimental result can not be obtained.At present, all there is experimental water system in most laboratory
Take difficult and cost high, and the excess ions that traditional process for preparing water often can not be thoroughly gone in water removal, it can not fully meet
The demand of experimental water.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming prior art, and the present invention provides a kind of ultra-pure water and prepared
System, using second level reverse osmosis apparatus, ultra-pure water of the resistivity in 5-18.2M Ω cm (25 DEG C) scope can be prepared.
In order to solve the above technical problems, a kind of ultrapure water production system of present invention offer, including raw water box, sand filter,
Active carbon filter, accurate filter, first-stage reverse osmosis device, intermediate water tank, second level reverse osmosis apparatus, the second intermediate water tank,
EDI electricity demineralizers, pure water tank and microporous membrane filters；The raw water box is connected with sand filter by raw water pump；The sand
Filter is directly connected with active carbon filter by pipeline；The active carbon filter and accurate filter directly pass through pipeline
Connection；The accurate filter is connected with first-stage reverse osmosis device by high-pressure pump；The first-stage reverse osmosis device and middle water
Case is directly connected by pipeline；The intermediate water tank is connected with second level reverse osmosis apparatus by two level high-pressure pump；The two level is anti-
Permeability apparatus and the second intermediate water tank are directly connected by pipeline；Second intermediate water tank and EDI the electricity demineralizer passes through increasing
Press pump connects；The EDI electricity demineralizer is directly connected with pure water tank by pipeline；The pure water tank and microporous membrane filters
Connected by delivery pump.
Filter medium in foregoing sand filter is quartz sand.
Scale inhibitor feeding device is set on pipeline between foregoing active carbon filter and accurate filter.
Flocculating agent feeding device is set between foregoing raw water pump and sand filter.
PH value adjusting means is set on the pipeline between foregoing first-stage reverse osmosis device and intermediate water tank.
UV ultraviolet sterilization apparatus is additionally provided between foregoing pure water tank and microporous membrane filters.
The beneficial effect that the present invention is reached：
The present invention uses second level reverse osmosis apparatus, can prepare resistivity in the ultrapure of 5-18.2M Ω cm (25 DEG C) scope
Water, it can be widely used for pharmaceuticals industry, microelectronics industry, power generation industries and laboratory, the surface clean of particular components, surface painting
Dress, electrolytic industry and chemical engineering industry.
Brief description of the drawings
Fig. 1 is the ultrapure water production system structure chart of the present invention.
Embodiment
The invention will be further described below.Following examples are only used for the technical side for clearly illustrating the present invention
Case, and can not be limited the scope of the invention with this.
As shown in figure 1, the ultrapure water production system of the present invention includes raw water box 1, and sand filter 3, active carbon filter 4,
Accurate filter 6, first-stage reverse osmosis device 8, intermediate water tank 10, second level reverse osmosis apparatus 12, the second intermediate water tank 13, EDI electricity
Demineralizer 15, pure water tank 16 and microporous membrane filters 19.Specifically, running water enters raw water box 1, it is pressed into by raw water pump 2
To sand filter 3, various suspensions, microorganism and other subparticles in water removal are removed using quartz sand, it is turbid finally to reduce water
Degree, then enters back into active carbon filter 4, reduces the contents of residual chlorine in water, the peculiar smell that goes in water removal, organic matter, colloid and
Irony, the water after thick step filtering enter accurate filter 6, particle of the retention more than 5 μm, to prevent large particulate matter from entering one
Level reverse osmosis unit, large particulate matter may puncture first-stage reverse osmosis film after high-pressure pump accelerates, and cause the situation of a large amount of leakage salt,
The impeller of high-pressure pump is scratched simultaneously.Water after accurate filter enters first-stage reverse osmosis device 8 in the presence of high-pressure pump 7,
First-stage reverse osmosis device 8 carries out the high filtering of precision to raw water, and salt rejection rate can reach more than 95%, subsequently into middle water
Case 10, then water is continued to be pressurized by two level high-pressure pump 11, there is provided enough power is right again by two-pass reverse osmosis film device 12
Raw water is filtered, and further improves salt rejection rate, and subsequently temporarily property is stored to the second intermediate water tank 13.Second intermediate water tank 13
Water enters EDI electricity demineralizer 15 after booster pump 14, is matched somebody with somebody in EDI electricity demineralizers according to deionized water purposes and system
Install, prepare pure water of the resistivity requirement in 5-18.2M Ω cm (25 DEG C) scope.Then water is stored in pure water tank
In 16, the water in pure water tank 16 is sent to microporous membrane filters 19 through delivery pump 17, and microporous membrane filters ensure final outflow water
It is stable.
Further, scale inhibitor feeding device 5 is set on the pipeline between active carbon filter 4 and accurate filter 6,
Antisludging agent can be entered in the entrance pipe of accurate filter 6 by scale inhibitor feeding device 5, be entered after being mixed with Inlet fluid
In accurate filter 6, so as to ensure to be sufficiently mixed before liquid enters the filter core position of accurate filter with antisludging agent, so as to
That leans on avoids the inorganic salts ingredients of slightly solubility in the cartridge surface precipitation of accurate filter or fouling, so as to effectively by impurity
Prevented after filtering outside filter core.
Further, flocculating agent feeding device is set between raw water pump 2 and sand filter 3, passes through flocculating agent feeding device
Flocculant is put into raw water, the suspended particulates aggregation in solution is coupled and forms thick cotton-shaped granule or agglomerate, is made in water
Colloid and mechanical particle can more efficiently be removed by sand filter and active carbon filter.
Further, pH value adjusting devices 9 are set on the pipeline between first-stage reverse osmosis device 8 and intermediate water tank 10,
PH value adjusting devices 9 be used for adjust second level reverse osmosis apparatus water inlet pH values, by CO 2 be converted into HCO 3-, pass through
Second level reverse osmosis apparatus removal HCO 3-, reduce the contents of CO 2 so as to reach.
Further, UV ultraviolet sterilization apparatus 18 is additionally provided between pure water tank 16 and microporous membrane filters 19, enters one
Step reduces the total carbon in water.
Further, the filter medium in sand filter 3 is quartz sand.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of ultrapure water production system, it is characterised in that including raw water box, sand filter, active carbon filter, secondary filter
Device, first-stage reverse osmosis device, intermediate water tank, second level reverse osmosis apparatus, the second intermediate water tank, EDI electricity demineralizers, pure water tank
And microporous membrane filters；The raw water box is connected with sand filter by raw water pump；The sand filter and active carbon filter
Directly connected by pipeline；The active carbon filter is directly connected with accurate filter by pipeline；The accurate filter
Connected with first-stage reverse osmosis device by high-pressure pump；The first-stage reverse osmosis device is directly connected with intermediate water tank by pipeline；
The intermediate water tank is connected with second level reverse osmosis apparatus by two level high-pressure pump；The second level reverse osmosis apparatus and the second middle water
Case is directly connected by pipeline；Second intermediate water tank is connected with EDI electricity demineralizers by booster pump；The EDI electricity
Demineralizer is directly connected with pure water tank by pipeline；The pure water tank is connected with microporous membrane filters by delivery pump.
2. a kind of ultrapure water production system according to claim 1, it is characterised in that the filtering in the sand filter is situated between
Matter is quartz sand.
3. a kind of ultrapure water production system according to claim 1, it is characterised in that the active carbon filter and precision
Scale inhibitor feeding device is set on pipeline between filter.
A kind of 4. ultrapure water production system according to claim 1, it is characterised in that the raw water pump and sand filter it
Between set flocculating agent feeding device.
5. a kind of ultrapure water production system according to claim 1, it is characterised in that the first-stage reverse osmosis device is with
Between pH value adjusting devices are set on pipeline between water tank.
6. a kind of ultrapure water production system according to claim 1, it is characterised in that the pure water tank and micro-pore-film filtration
UV ultraviolet sterilization apparatus is additionally provided between device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153957.XA CN107662991A (en) | 2017-11-20 | 2017-11-20 | A kind of ultrapure water production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153957.XA CN107662991A (en) | 2017-11-20 | 2017-11-20 | A kind of ultrapure water production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107662991A true CN107662991A (en) | 2018-02-06 |
Family
ID=61145141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711153957.XA Withdrawn CN107662991A (en) | 2017-11-20 | 2017-11-20 | A kind of ultrapure water production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107662991A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981029A (en) * | 2019-12-26 | 2020-04-10 | 苏州仕净环保科技股份有限公司 | System is prepared to industry high pure water |
| CN111453900A (en) * | 2020-04-27 | 2020-07-28 | 苏州华新达饮品技术有限公司 | Ultrapure water treatment process |
-
2017
- 2017-11-20 CN CN201711153957.XA patent/CN107662991A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981029A (en) * | 2019-12-26 | 2020-04-10 | 苏州仕净环保科技股份有限公司 | System is prepared to industry high pure water |
| CN110981029B (en) * | 2019-12-26 | 2023-07-07 | 苏州仕净科技股份有限公司 | Industrial high-purity water preparing system |
| CN111453900A (en) * | 2020-04-27 | 2020-07-28 | 苏州华新达饮品技术有限公司 | Ultrapure water treatment process |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180206 |