CN103663807A - Ultrafiltration system - Google Patents
Ultrafiltration system Download PDFInfo
- Publication number
- CN103663807A CN103663807A CN201310729181.7A CN201310729181A CN103663807A CN 103663807 A CN103663807 A CN 103663807A CN 201310729181 A CN201310729181 A CN 201310729181A CN 103663807 A CN103663807 A CN 103663807A
- Authority
- CN
- China
- Prior art keywords
- filter
- desalination
- ultra
- water
- reverse osmosis
- 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.)
- Pending
Links
Images
Classifications
-
- 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 an ultrafiltration system, which comprises an original water box and a pre-treatment system, wherein the parts of the pre-treatment system are connected through high-pressure pumps; the pre-treatment system is connected with a desalination system via a high-pressure pump; the desalination system is sequentially connected with an ozone sterilizer, a fine treatment system and an ultrapure water box; the pre-treatment system comprises a multi-medium filter, an acticarbon filter, a precise filter and a hollow fiber ultrafiltration system which are connected in sequence; the desalination system adopts a reverse osmosis device; the fine treatment system adopts EDI (Electronic Data Interchange) equipment. The ultrafiltration system disclosed by the invention has the advantages that the reverse osmosis device is adopted to replace a traditional used ion exchanger, and the desalination rate and recovery rate are high; in addition, not only is desalination realized, but also most bacteria, colloid and organic substances with large molecular weight are removed; the EDI equipment replaces a mixed ion exchange column, the chemical regeneration of acid and alkali is not required during running, so that a large amount of acid, alkali and water for cleaning are saved, the labor density is greatly lowered, and more importantly, the no waste acid or waste lye is discharged, so that the environmental protection is facilitated.
Description
Technical field
The present invention relates to a kind of ultrafiltration system, belong to purification techniques field.
Background technology
Ultra-filtration equipment is used ultra-filtration technique to carry out purifying treatment to water, thereby obtain the equipment of ultrapure water, ultrapure water refers to almost to be removed the dielectric medium in water completely, simultaneously by the gas of dissociation not in water, colloidalmaterial and organic substance (comprising bacterium etc.) are also removed to the very water of low degree, its resistivity is generally cm(25 ° of C of 18M Ω), saltiness <0.1mg/L.Ultrapure water is generally used in integrated circuit industry, for the cleaning of semiconductor source material and vessel used, the source vapor that the preparation of lay photoetching mask plate and silicon chip are used etc.In addition, the making of other solid electronic devices, thick film and thin film circuit, printed wiring, valve tube etc. also all will be used ultrapure water.The preparation technology of ultrapure water is very complicated and difficult, general technique is difficult to reach the standard of ultrapure water, therefore, how to improve the deficiencies in the prior art, utilize membrane technique to provide a kind of new ultrapure water equipment in process of production to remain those skilled in the art of the present technique's problem urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of ultrafiltration system, it is simple in structure, can be widely used in different technologies field extracts, purifies, obtains ultrapure water, reduces productive expense, improves Business Economic Benefit.
For addressing the above problem, the technical solution adopted in the present invention is:
A ultrafiltration system, comprises raw water box and the pretreatment system being connected by high-pressure pump, and described pretreatment system is connected with desalination system by high-pressure pump, described desalination system connects ozone sterilizer, ozone sterilizer, precision processing system, is connected successively with ultrapure water tank; Described pretreatment system comprises connected successively more medium filter, activated charcoal filter, accurate filter and Hollow Fiber Ultrafiltration system, between described more medium filter and activated charcoal filter, between activated charcoal filter and accurate filter, between accurate filter and Hollow Fiber Ultrafiltration system, be equipped with high-pressure pump; Described desalination system is reverse osmosis unit; Described precision processing system adopts EDI equipment.
Aforesaid more medium filter is the filter bed of layered distribution, and described filter bed is from top to bottom followed successively by hard coal, quartz sand, gravel.
Aforesaid hard coal relative density is 1.4-1.6, and particle diameter is 0.8-1.8mm, and described quartz sand relative density is 2.6-2.65, and particle diameter is 0.5-1.2mm, and the relative density of described gravel is 4.7-5.0, and particle diameter is 0.5-4mm.
The filtrate of aforesaid activated charcoal filter adopts specific surface area to be greater than the activated carbon of 1000 ㎡/g.
The filter core of aforesaid accurate filter is that pore size filter is the polypropylene of 5 microns.
Aforesaid Hollow Fiber Ultrafiltration system adopts hollow fiber ultrafiltration membrane, and the external diameter of tubular fibre is 0.5-2.0nm, and internal diameter is 0.3-1.4nm.
It is the reverse osmosis membrane of 1/10000 μ m that aforesaid reverse osmosis unit adopts aperture.
By adopting above-mentioned technique means, the present invention, compared to traditional ultrapure water preparation, has increased accurate filter and can hold back molecule, can effectively protect the ultrafiltration system of rear class; Hollow Fiber Ultrafiltration system can be held back several thousand molecular weight to hundreds of thousands of, and retaining power is extremely strong, can make water resources be recycled fully, and energy-saving and emission-reduction, have reduced the production cost of enterprise; Ozone sterilizer, effectively kills the sanitary index that is thoroughly guaranteed finished product water by the bacterium of problem of secondary pollution; With reverse osmosis unit, replace ion-exchanger, ratio of desalinization improves, and the rate of recovery is high, in desalination, also by the organic matter removal of most of bacterium, colloid and macromolecule, is the not available advantage of ion-exchanger in addition; With EDI device, replace hybrid ionic exchange column, in operational process, do not need chemical regeneration, and its water outlet resistivity is taller compared with mixed bed water outlet, ion exchange resin does not need acid, alkali chemical regeneration in addition, save a large amount of acid, alkali and water for cleaning, greatly reduce labour intensity, the more important thing is without spent acid, waste lye discharge, belong to the non-chemically water treatment system of formula, it is without the storage, processing of acid, alkali and without the discharge of waste water.
Accompanying drawing explanation
Fig. 1 is the structural representation of ultrafiltration system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Traditional ultrapure water preparation technology flow process is: former water, after more medium filter, enters activated charcoal filter, then carries out desalination through ion-exchanger, after hybrid ionic exchange column, generates ultrapure water.
As shown in Figure 1, ultrafiltration system of the present invention comprises raw water box and the pretreatment system being connected by high-pressure pump, and described pretreatment system is connected with desalination system by high-pressure pump, described desalination system connects ozone sterilizer, ozone sterilizer, precision processing system, is connected successively with ultrapure water tank; Described pretreatment system comprises connected successively more medium filter, activated charcoal filter, accurate filter and Hollow Fiber Ultrafiltration system, between described more medium filter and activated charcoal filter, between activated charcoal filter and accurate filter, between accurate filter and Hollow Fiber Ultrafiltration system, be equipped with high-pressure pump; Described desalination system is reverse osmosis unit; Described precision processing system adopts EDI equipment.Wherein,
More medium filter is mainly in order to remove impurity in sewage, absorption wet goods, water quality is met the requirement recycling.More medium filter of the present invention according to the size of the proportion of filtrate and particle diameter in the orderly distribution of strainer tank body internal medicine, hard coal as little in proportion and that particle diameter is slightly large is placed on the superiors of filter bed, moderate and the little quartz sand of particle diameter of proportion is placed on the middle level of filter bed, than great and the little gravel of particle diameter, be placed on the orlop of filter bed, such proportioning has guaranteed that strainer can not produce disorderly layer phenomenon when carrying out backwash, thereby has guaranteed the interception capacity of filtrate.The relative density of each medium and particle diameter should have certain difference, and hard coal relative density is 1.4-1.6, and particle diameter is 0.8-1.8mm, quartz sand relative density is 2.6-2.65, particle diameter is 0.5-1.2mm, and the relative density of gravel is 4.7-5.0, and particle diameter is 0.5-4mm.In filtration procedure, former water is through high-pressure pump from top to bottom by filter bed, and in water, suspended substance is because absorption and mechanical choked flow effect are retained down by the anthracite coal measure on filter bed surface; When water flows in the middle of filter bed, due to the quartzy sand grains in filter material layer arrange tightr, make particulate in water have more chance and sand grains to collide, so flocculation material, suspended substance and sand grain surface adhere to mutually in water, in water, impurity is trapped in quartz sand layer, thereby obtains the water quality of clarification.The water suspension that goes out after filtering can be below 5 mg/litre.
Activated charcoal filter, for adsorbing the chlorine residue that more medium filter cannot be removed, can effectively guarantee rear class service life of equipment, improves effluent quality, prevents from polluting, and particularly prevents rear class reverse osmosis membrane, and the remaining oxygen intoxication of free state of ion exchange resin etc. is polluted.Also adsorb from prime simultaneously and leak the pollutants such as small organic molecule of coming, peculiar smell, colloid and pigment, heavy metal ion etc. in water are had to obvious Adsorption effect, also there is the effect that reduces COD, can further reduce the SDI value of RO water inlet, guarantee SDI<5, TOC<2.Oppm.Charcoal filter adopts the design of hydraulic simulation major diameter, and adopts particle diameter reasonable, and specific surface area is greater than the highly effective active carbon of 1000 ㎡/g.In the present invention, water enters activated charcoal filter after more medium filter under the effect of high-pressure pump, after charcoal absorption, and water quality contents of residual chlorine :≤0.1PPM.
Accurate filter is used for holding back molecule; the ultrafiltration system of protection rear class; the filter core material of accurate filter has poly-tetrem alkene, polysulfones, nylon, polypropylene, cellulose acetate; pore size filter has: 0.1 μ m, 0.22 μ m, 1 μ m, 3 μ m, 5 μ m, 10 μ m etc., it is the polypropylene of 5 μ m that the present invention selects pore size filter.From activated charcoal filter water out, through high-pressure pump, enter accurate filter, efficiently remove 0.01 μ m and above particle, oil mist concentration is controlled at 0.01ppm/wt, effectively protects Hollow Fiber Ultrafiltration system.
Hollow Fiber Ultrafiltration system adopts hollow fiber ultrafiltration membrane, and tubular fibre external diameter is 0.5-2.0nm, and internal diameter is 0.3-1.4nm, on tubular fibre tube wall, is covered with micropore, and express can hold back the molecular weight of material in aperture, and molecular weight cut-off can reach several thousand to hundreds of thousands of.Water enters Hollow Fiber Ultrafiltration system under the effect of high-pressure pump, in tubular fibre outside or inner chamber pressurized flow, forms respectively external-compression type and inner pressed, ultrafiltration is dynamic filtration process, being trapped material can get rid of with condensed water, and unlikely obstruction film surface, can move for a long time continuously.And ultra-filtration process is undergoing phase transition not, without heating, energy consumption is low, without adding chemical reagent, pollution-free, is a kind of isolation technique of energy-conserving and environment-protective.
Reverse osmosis unit using membrane separating technology, adopting aperture is the reverse osmosis membrane (RO film) of 1/10000 μ m, make the water of higher concentration become low concentration of water, can effectively remove charged ion, inorganics, colloidal particle, bacterium and the organic substance etc. in water, thereby reach physical and chemical index and the hygienic standard of drinking regulation simultaneously.The ratio of desalinization of reverse osmosis membrane improves, and the rate of recovery is high, in desalination, also by the organic matter removal of most of bacterium, colloid and macromolecule, makes effluent quality meet GB GBI7323-1998 standard.
Ozone sterilizer is mainly used in killing the sanitary index that is thoroughly guaranteed finished product water by the bacterium of problem of secondary pollution.
After RO separation, pure water conductivity is generally 40-2 μ S/cm(25 ℃), but the requirement of ultrapure water be resistivity up to 17M Ω .cm (25 ℃), adopt EDI device can prepare resistivity and require the ultrapure water at 1-18.2M Ω .cm (25 ℃).In the present invention, water quality is after the water outlet of reverse osmosis membrane separation technology, after ozone sterilizer as EDI water-supply source, in the Zeo-karb of EDI equipment, contain a large amount of strong acid groups, as sulfonic group-SO3H, easily in solution, dissociation goes out H+, after resin dissociation, the negative electricity group that body is contained, as SO3-, can adsorb other positively charged ions in binding soln, these two reactions are intercoursed H+ in resin and the positively charged ion in solution, and the dissociating power of highly acidic resin is very strong, all can dissociation in acidity or basic solution and produce ion exchange; In the anionite-exchange resin of EDI equipment, contain strong basicity group, as quaternary amine base (also claiming level Four amido)-NR3OH (R is hydrocarbon group), can go out OH-and be strong basicity at dissociation in water, the positive electric group of this resin can be combined by the Anion-adsorption in solution, thereby produces anionresin effect.The dissociative of this resin is very strong, under different pH, can normally work.By anion-cation exchange resin, remove the various zwitterions in water quality, thereby can directly reverse osmosis produced water be purified to the standard of pure water, high purity water, ultrapure water, and without using ion-exchange mixed bed, it produces resistivity of water and reaches as high as 18M Ω cm.
The present invention is illustrated according to the preferred embodiment, is to be understood that above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the form of equivalent transformation obtains, within all dropping on protection scope of the present invention.
Claims (7)
1. a ultrafiltration system, is characterized in that, comprises raw water box and the pretreatment system being connected by high-pressure pump, described pretreatment system is connected with desalination system by high-pressure pump, and described desalination system connects ozone sterilizer, ozone sterilizer, precision processing system, is connected successively with ultrapure water tank; Described pretreatment system comprises connected successively more medium filter, activated charcoal filter, accurate filter and Hollow Fiber Ultrafiltration system, between described more medium filter and activated charcoal filter, between activated charcoal filter and accurate filter, between accurate filter and Hollow Fiber Ultrafiltration system, be equipped with high-pressure pump; Described desalination system is reverse osmosis unit; Described precision processing system adopts EDI equipment.
2. a kind of ultra-filtration equipment according to claim 1, is characterized in that, the filter bed that described more medium filter is layered distribution, and described filter bed is from top to bottom followed successively by hard coal, quartz sand, gravel.
3. a kind of ultra-filtration equipment according to claim 2, it is characterized in that, described hard coal relative density is 1.4-1.6, particle diameter is 0.8-1.8mm, described quartz sand relative density is 2.6-2.65, particle diameter is 0.5-1.2mm, and the relative density of described gravel is 4.7-5.0, and particle diameter is 0.5-4mm.
4. a kind of ultra-filtration equipment according to claim 1, is characterized in that, the filtrate of described activated charcoal filter adopts specific surface area to be greater than the activated carbon of 1000 ㎡/g.
5. a kind of ultra-filtration equipment according to claim 1, is characterized in that, the filter core of described accurate filter is that pore size filter is the polypropylene of 5 microns.
6. a kind of ultra-filtration equipment according to claim 1, is characterized in that, described Hollow Fiber Ultrafiltration system adopts hollow fiber ultrafiltration membrane, and the external diameter of tubular fibre is 0.5-2.0nm, and internal diameter is 0.3-1.4nm.
7. a kind of ultra-filtration equipment according to claim 1, is characterized in that, it is the reverse osmosis membrane of 1/10000 μ m that described reverse osmosis unit adopts aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729181.7A CN103663807A (en) | 2013-12-26 | 2013-12-26 | Ultrafiltration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729181.7A CN103663807A (en) | 2013-12-26 | 2013-12-26 | Ultrafiltration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103663807A true CN103663807A (en) | 2014-03-26 |
Family
ID=50302712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310729181.7A Pending CN103663807A (en) | 2013-12-26 | 2013-12-26 | Ultrafiltration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103663807A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986902A (en) * | 2015-07-31 | 2015-10-21 | 中国能源建设集团广东火电工程有限公司 | Ultrapure water preparation apparatus and method |
| CN105198133A (en) * | 2015-09-23 | 2015-12-30 | 浙江工商大学 | Ultra-pure water preparation system and method capable of preventing electrodeionization device from scaling |
| CN105293732A (en) * | 2014-07-25 | 2016-02-03 | 新疆中兴能源有限公司 | Non-electric-region photovoltaic water lifting and purifying system |
| CN105836939A (en) * | 2016-04-25 | 2016-08-10 | 广东东日环保有限公司 | Intelligent integrated water supply purification system |
| CN106277469A (en) * | 2016-09-27 | 2017-01-04 | 江苏亚欧环境工程有限公司 | A kind of ultrapure water production system based on vibration composite filter membrane and method |
| CN107365002A (en) * | 2016-05-11 | 2017-11-21 | 昆明石林青龙矿泉饮料有限公司 | A kind of preparation method of cold boiled water water |
| CN108136293A (en) * | 2015-08-10 | 2018-06-08 | 水技术国际有限责任公司 | For mitigating the method and apparatus of biological fouling in reverse osmosis membrane |
| CN109928552A (en) * | 2019-03-13 | 2019-06-25 | 佛山市云米电器科技有限公司 | A kind of electro-desalting water purification system with sterilization module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202139127U (en) * | 2011-06-15 | 2012-02-08 | 四川万里马环保科技有限公司 | Purified water device system based on integrated membrane process |
| CN203079782U (en) * | 2013-01-21 | 2013-07-24 | 湖南湘星环保水处理设备有限公司 | Mobile water purifying equipment |
-
2013
- 2013-12-26 CN CN201310729181.7A patent/CN103663807A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202139127U (en) * | 2011-06-15 | 2012-02-08 | 四川万里马环保科技有限公司 | Purified water device system based on integrated membrane process |
| CN203079782U (en) * | 2013-01-21 | 2013-07-24 | 湖南湘星环保水处理设备有限公司 | Mobile water purifying equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293732A (en) * | 2014-07-25 | 2016-02-03 | 新疆中兴能源有限公司 | Non-electric-region photovoltaic water lifting and purifying system |
| CN104986902A (en) * | 2015-07-31 | 2015-10-21 | 中国能源建设集团广东火电工程有限公司 | Ultrapure water preparation apparatus and method |
| CN108136293A (en) * | 2015-08-10 | 2018-06-08 | 水技术国际有限责任公司 | For mitigating the method and apparatus of biological fouling in reverse osmosis membrane |
| CN105198133A (en) * | 2015-09-23 | 2015-12-30 | 浙江工商大学 | Ultra-pure water preparation system and method capable of preventing electrodeionization device from scaling |
| CN105836939A (en) * | 2016-04-25 | 2016-08-10 | 广东东日环保有限公司 | Intelligent integrated water supply purification system |
| CN107365002A (en) * | 2016-05-11 | 2017-11-21 | 昆明石林青龙矿泉饮料有限公司 | A kind of preparation method of cold boiled water water |
| CN106277469A (en) * | 2016-09-27 | 2017-01-04 | 江苏亚欧环境工程有限公司 | A kind of ultrapure water production system based on vibration composite filter membrane and method |
| CN109928552A (en) * | 2019-03-13 | 2019-06-25 | 佛山市云米电器科技有限公司 | A kind of electro-desalting water purification system with sterilization module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103663807A (en) | Ultrafiltration system | |
| CN105236661B (en) | The system and method for preparing ultra-pure water of no effuent discharge | |
| TW201307270A (en) | Method and device for refining alcohol | |
| CN105540971A (en) | Process for crushed coal pressurized gasification industrial wastewater deep processing and high recovery rate | |
| CN101643284A (en) | Reverse osmosis water treatment method and equipment with high desalination and high water productivity | |
| CN102086072B (en) | Cyclic utilization method of dyeing and printing advanced treatment wastewater | |
| US20120012539A1 (en) | Water treatment apparatus and method for using same | |
| CN110349689B (en) | Radioactive waste liquid treatment device for nuclear power station | |
| CN203852878U (en) | Filter | |
| CN110759569A (en) | Industrial water treatment system | |
| CN203922886U (en) | Three grades of reverse osmosis treatment systems of a kind of nickel-containing waste water | |
| CN203807252U (en) | Seawater treatment device | |
| CN108467140A (en) | A kind of coking wastewater combination desalinating process | |
| RU2003137818A (en) | METHOD FOR PRODUCING WATER FOR INJECTIONS FROM WATERS OF NATURAL SOURCES AND INSTALLATION FOR ITS IMPLEMENTATION | |
| CN114133072A (en) | System and method for treating waste liquid containing carbon dioxide trapping absorbent | |
| CN109320001A (en) | The turbid zero discharge of industrial waste water system of one kind height with high salt and its technique | |
| CN211972026U (en) | Ultrapure water preparation system for laboratory | |
| CN107721023A (en) | A kind of hydrazine hydrate wastewater treatment equipment and its technique | |
| JP2003093807A (en) | Apparatus for circularly using vehicle washing wastewater | |
| CN216837425U (en) | Processing system of waste liquid that contains carbon dioxide entrapment absorbent | |
| CN106809993A (en) | A kind of Ultrapure water treatment technology | |
| CN206298474U (en) | A kind of 12 tons of ultra-pure water mixed-bed systems per hour | |
| CN205953785U (en) | High -concentration organic wastewater treatment device | |
| CN201400615Y (en) | Treatment system of wastewater from circulating water | |
| CN209307143U (en) | A kind of turbid zero discharge of industrial waste water system of height with high salt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140326 |