CN105174569A - Water purifier with catalytic oxidation function - Google Patents
Water purifier with catalytic oxidation function Download PDFInfo
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- CN105174569A CN105174569A CN201510451103.4A CN201510451103A CN105174569A CN 105174569 A CN105174569 A CN 105174569A CN 201510451103 A CN201510451103 A CN 201510451103A CN 105174569 A CN105174569 A CN 105174569A
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- water
- water purifier
- membrane module
- filter core
- oxidation function
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Abstract
The invention provides a water purifier with a catalytic oxidation function, and relates to a water purifier. The problem is solved that organic microbial pollution and membrane pollution are difficult to remove during a present water treatment process. A ceramic filter core is connected with an active carbon filter core through a pipe. A polyvinylidene fluoride hybrid membrane member comprises a membrane member shell and a plurality of membrane filaments. The membrane member shell is an enclosed cylinder, the plurality of membrane filaments are arranged in the inner cavity of the membrane member shell vertically. A plurality of water inlets are arranged in the lower part of the membrane member shell. An ultraviolet lamp is embedded among the plurality of membrane filaments vertically. The membrane filaments are organic-inorganic composite ultrafilter membranes prepared through addition of nano-additives into polyvinylidene fluoride resin. An end socket with a valve is connected with the upper end of the polyvinylidene fluoride hybrid membrane member A water outlet of an active carbon filter core is connected with a water inlet of the polyvinylidene fluoride hybrid membrane member through a pipe. The water purifier can be used for water purification processing of household water purifiers and district direct drinking water.
Description
Technical field
The present invention relates to a kind of water purifier, be specifically related to a kind of water purifier with catalyzed oxidation function.
Background technology
Water is one of human society base substance of depending on for existence and development, is the key factor of national economy and social sustainable development.Drinking water quality directly has influence on healthy and social the stabilizing of the people, and party and state leaders once repeatedly emphasized " allowing common people drink relieved water ".The requirement, particularly national drinking water standard that improve constantly drinking water quality along with water pollution aggravation and resident are increased to 106 by 35, and the demand for water technology especially depth-averaged model is also more and more urgent.
Drinking water safety is the task of top priority of China.Health and social concern can be brought in the area poor in water quality.Uncleanly the disease such as liver cancer and cancer of the stomach is caused as drunk water.The public queries the quality of water supply of existing municipal water treatment plants and the worry for drinking-water health, and drum pure water, mineral water and water purifying plant are in great demand.
In traditional Water purification, water supply security is primary all the time.The development experience of Drinking Water in China treatment process three phases: first-generation technique is conventional water treatment process, mainly for the biosafety issues in water.But there is following problem: can not effectively remove and control organic pollutant and Chlorination Disinfection By-products, produce the requirement that water water quality does not reach new water quality standard.S-generation technique is ozone oxidation and biological activated carbon strengthening common process, mainly solves the problem of organic contamination in water.But there is the biology in the water outlet of ozone, disinfection by chlorine dioxide by product problem, granulated active carbon reinforcing process in such technology and microorganism is increased and control problem with pollution of waterhead aggravation after the difficult problem up to standard of product water water quality.Third generation technique is membrane filtration, charcoal absorption and biological degradation combination process.Adopt the multiple processing unit with complementary and synergistic effect, effectively can remove the pollutent such as pathogenic microorganism, hydrobiont, turbidity, partial organic substances in water; Produce water water quality high, water conditioning; But the organic micro-pollutants can not removed in water, mainly comprises persistence organic pollutant, endocrine disruptors, Algae toxins and disinfection byproduct (DBP) etc., wherein much there is carcinogenic, teratogenesis, mutagenesis.And current water factory still rests on first-generation technique and upgrading process stage.
Although the public constantly increases for the consciousness of healthy water, the understanding for drinking-water science needs to improve.Pure water prepared by long-term drinking reverse osmosis is unfavorable to health; And the water purification technology of current gac+ultrafiltration pattern almost cannot be removed for the organic micro-pollution in water, organic micro-pollution concentration is low, and charcoal absorption capacity is little, will soon lose efficacy, and ultrafiltration interception capacity is limited, cannot remove organic micro-pollution.The water purifier that current domestic and international market exists is above-mentioned two types.
Summary of the invention
The present invention solves the problem that the organic microbial existed in existing Water purification process pollutes and fouling membrane difficulty is removed, and provides a kind of water purifier with catalyzed oxidation function.
A kind of water purifier with catalyzed oxidation function of the present invention comprises pretreatment system and ultraviolet hybridized film catalyticreactor, pretreatment system comprises ceramic element and active carbon filter core, ceramic element is connected by pipeline with active carbon filter core, ultraviolet hybridized film catalyst oxidation reactor comprises the end socket of band valve, ultraviolet lamp and polyvinylidene difluoride (PVDF) hybrid membrane module, polyvinylidene difluoride (PVDF) hybrid membrane module comprises membrane module housing and several film silk, membrane module housing is closed cylinder, several film silk is all vertically arranged in the inner chamber of membrane module housing, the bottom of membrane module housing is provided with water-in, ultraviolet lamp is vertically embedded into the centre of several film silk, film silk is that nanometer additive adds the Organic-inorganic composite ultra-filtration membrane prepared in polyvinylidene fluoride resin to, end socket with valve is connected to the upper end of polyvinylidene difluoride (PVDF) hybrid membrane module, the water side of active carbon filter core is connected by the water-in of pipeline with polyvinylidene difluoride (PVDF) hybrid membrane module.
The present invention compared with prior art has following beneficial effect:
The present invention is on the basis of ultrafiltration technology, ultraviolet+nano hybrid film catalyst oxidation reactor is adopted to replace the ultra filtration unit of existing ultrafiltration type water purifier, can catalyzed oxidation remove the organic micro-pollutants in water and kill stick to film surface bacterium, microorganism, reduce fouling membrane.The present invention is the water purification technology of the oxidation of a kind of coupling and catalyzing and membrane sepn, the invention solves the problem of the organic micro-pollution difficulty removal existed in existing Water purification process, the present invention can remove whole bacteriums in water, the objectionable impurities such as virus and parasite, and the organic micro-pollutants content such as persistence organic pollutant, endocrine disrupter, disinfection byproduct (DBP), Algae toxins effectively reduced in water, alleviate fouling membrane, prolonging service lifetime of film simultaneously.The purification rate of the organic micro-pollution utilizing the present invention to remove in water reaches more than 70%.The purification rate that the present invention removes the organic micro-pollution in water compared to existing technology improves more than 50%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the present invention one;
Fig. 2 is the A-A cross sectional view of Fig. 1.
Embodiment:
Embodiment one: composition graphs 1 and Fig. 2 illustrate present embodiment, present embodiment comprises pretreatment system and ultraviolet hybridized film catalyticreactor, pretreatment system comprises ceramic element 1 and active carbon filter core 2, ceramic element 1 is connected by pipeline with active carbon filter core 2, ultraviolet hybridized film catalyst oxidation reactor comprises the end socket 3 of band valve, ultraviolet lamp 4 and polyvinylidene difluoride (PVDF) hybrid membrane module 5, polyvinylidene difluoride (PVDF) hybrid membrane module 5 comprises membrane module housing 5-1 and several film silk 5-2, membrane module housing 5-1 is closed cylinder, several film silk 5-2 is all vertically arranged in the inner chamber of membrane module housing 5-1, the bottom of membrane module housing 5-1 is provided with water-in 5-1-1, ultraviolet lamp 4 is vertically embedded into the centre of several film silk 5-2, film silk 5-2 is that nanometer additive adds the Organic-inorganic composite ultra-filtration membrane prepared in polyvinylidene fluoride resin to, end socket 3 with valve is connected to the upper end of polyvinylidene difluoride (PVDF) hybrid membrane module 5, the water side of active carbon filter core 2 is connected with the water-in 5-1-1 of polyvinylidene difluoride (PVDF) hybrid membrane module 5 by pipeline.Ceramic element 1 and active carbon filter core 2 are commercially available prod.
Embodiment two: composition graphs 1 and Fig. 2 illustrate present embodiment, the nanometer additive of present embodiment is modified nano-titanium dioxide, titania nanotube, titanium dioxide nano thread, nano SiC, nano GaN, carbon nanotube, Ti column clay or Fe column clay.Other composition and annexation identical with embodiment one.
Embodiment three: composition graphs 1 illustrates present embodiment, the aperture of the ceramic element 1 of present embodiment is 0.1 μm ~ 0.6 μm.Other composition and annexation identical with embodiment one or two.
Embodiment four: composition graphs 1 illustrates present embodiment, the aperture of the ceramic element 1 of present embodiment is 0.2 μm.Other composition and annexation identical with embodiment three.
Embodiment five: composition graphs 1 illustrates present embodiment, the aperture of the ceramic element 1 of present embodiment is 0.3 μm.Other composition and annexation identical with embodiment three.
Embodiment six: composition graphs 1 illustrates present embodiment, the aperture of the ceramic element 1 of present embodiment is 0.5 μm.Other composition and annexation identical with embodiment three.
Embodiment seven: composition graphs 1 illustrates present embodiment, the filtering accuracy of the active carbon filter core 2 of present embodiment is 2 μm ~ 10 μm.Other composition and annexation identical with embodiment three.
Embodiment eight: composition graphs 1 illustrates present embodiment, the filtering accuracy of the active carbon filter core 2 of present embodiment is 5 μm.Other composition and annexation identical with embodiment seven.
Embodiment nine: composition graphs 1 illustrates present embodiment, the filtering accuracy of the active carbon filter core 2 of present embodiment is 8 μm.Other composition and annexation identical with embodiment seven.
Embodiment ten: composition graphs 1 and Fig. 2 illustrate present embodiment, the material of the membrane module housing 5-1 of present embodiment is stainless steel or polypropylene.Other composition and annexation identical with embodiment four.
Principle of work of the present invention: tap water or underground water remove the impurity such as suspended substance and part colloid in water through ceramic element 1, then water flows through active carbon filter core 2, active carbon filter core 2 adsorbs and the heavy metal particles removed in water and partial organic substances, finally enters in ultraviolet-hybridized film catalyst oxidation reactor.Ultraviolet lamp 4 produces UV-light, in film silk 5-2, the nanometer additive of doping produces hydroxyl radical free radical (OH) under the irradiation of UV-light, organism in hydroxyl radical free radical (OH) attack water, organic molecule chain is ruptured, effectively can reduce the organic micro-pollutants content such as persistence organic pollutant, endocrine disrupter, disinfection byproduct (DBP), Algae toxins in water; Film silk 5-2, by Physical entrapment effect, removes the objectionable impuritiess such as the whole bacteriums in water, virus and parasite; The existence of hydroxyl radical free radical (OH) makes film surface not produce microbial growth and breeding, thus alleviates fouling membrane, prolonging service lifetime of film.
Exemplary application of the present invention:
(1), the aperture of ceramic element 1 is 0.3 μm, and active carbon filter core 2 filtering accuracy is 5 μm.Polyvinylidene difluoride (PVDF) hybrid membrane module 5 is curtain, and ultraviolet lamp 4 is embedded in the middle of film silk 5-2, and several film silk 5-2 is looped around ultraviolet lamp 4 around, and in each polyvinylidene difluoride (PVDF) hybrid membrane module 5, the area of effective film silk is 0.5m
2, processing power is 1m
3/ d, the program is suitable for the clean water treatment of household water filter.
(2), the aperture of ceramic element 1 is 0.5 μm, and active carbon filter core 2 filtering accuracy is 10 μm.Polyvinylidene difluoride (PVDF) hybrid membrane module 5 is curtain, and ultraviolet lamp 4 is embedded in the middle of film silk 5-2, and several film silk 5-2 is around around ultraviolet lamp 4, and polyvinylidene difluoride (PVDF) hybrid membrane module 5 can install 10, and the area of the effective film silk of 10 polyvinylidene difluoride (PVDF) hybrid membrane modules 5 is 5m
2, processing power is 50m
3/ d, the program is suitable for the clean water treatment of community direct-drinking water.
Claims (10)
1. one kind has the water purifier of catalyzed oxidation function, described water purifier comprises pretreatment system and ultraviolet hybridized film catalyticreactor, pretreatment system comprises ceramic element (1) and active carbon filter core (2), ceramic element (1) is connected by pipeline with active carbon filter core (2), it is characterized in that: ultraviolet hybridized film catalyst oxidation reactor comprises the end socket (3) of band valve, ultraviolet lamp (4) and polyvinylidene difluoride (PVDF) hybrid membrane module (5), polyvinylidene difluoride (PVDF) hybrid membrane module (5) comprises membrane module housing (5-1) and several film silk (5-2), membrane module housing (5-1) is closed cylinder, several film silk (5-2) is all vertically arranged in the inner chamber of membrane module housing (5-1), the bottom of membrane module housing (5-1) is provided with water-in (5-1-1), ultraviolet lamp (4) is vertically embedded into the centre of several film silk (5-2), the Organic-inorganic composite ultra-filtration membrane that film silk (5-2) prepares in polyvinylidene fluoride resin for nanometer additive adds to, end socket (3) with valve is connected to the upper end of polyvinylidene difluoride (PVDF) hybrid membrane module (5), the water side of active carbon filter core (2) is connected with the water-in (5-1-1) of polyvinylidene difluoride (PVDF) hybrid membrane module (5) by pipeline.
2. a kind of water purifier with catalyzed oxidation function according to claim 1, is characterized in that: described nanometer additive is modified nano-titanium dioxide, titania nanotube, titanium dioxide nano thread, nano SiC, nano GaN, carbon nanotube, Ti column clay or Fe column clay.
3. a kind of water purifier with catalyzed oxidation function according to claim 1 or 2, is characterized in that: the aperture of described ceramic element (1) is 0.1 μm ~ 0.6 μm.
4. a kind of water purifier with catalyzed oxidation function according to claim 3, is characterized in that: the aperture of described ceramic element (1) is 0.2 μm.
5. a kind of water purifier with catalyzed oxidation function according to claim 3, is characterized in that: the aperture of described ceramic element (1) is 0.3 μm.
6. a kind of water purifier with catalyzed oxidation function according to claim 3, is characterized in that: the aperture of described ceramic element (1) is 0.5 μm.
7. a kind of water purifier with catalyzed oxidation function according to claim 3, is characterized in that: the filtering accuracy of described active carbon filter core (2) is 2 μm ~ 10 μm.
8. a kind of water purifier with catalyzed oxidation function according to claim 7, is characterized in that: the filtering accuracy of described active carbon filter core (2) is 5 μm.
9. a kind of water purifier with catalyzed oxidation function according to claim 7, is characterized in that: the filtering accuracy of described active carbon filter core (2) is 8 μm.
10. a kind of water purifier with catalyzed oxidation function according to claim 4, is characterized in that: the material of described membrane module housing (5-1) is stainless steel or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510451103.4A CN105174569A (en) | 2015-07-28 | 2015-07-28 | Water purifier with catalytic oxidation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510451103.4A CN105174569A (en) | 2015-07-28 | 2015-07-28 | Water purifier with catalytic oxidation function |
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| CN105174569A true CN105174569A (en) | 2015-12-23 |
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| CN201510451103.4A Pending CN105174569A (en) | 2015-07-28 | 2015-07-28 | Water purifier with catalytic oxidation function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630320A (en) * | 2016-10-28 | 2017-05-10 | 三达膜科技（厦门）有限公司 | Integrated water purifier |
| CN110015792A (en) * | 2019-05-10 | 2019-07-16 | 北京交通大学 | A kind of photocatalysis urine process recycle device |
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| CN2232035Y (en) * | 1995-08-18 | 1996-07-31 | 同济大学 | Fixed film photocatalysis oxidized water quality depth purifier |
| JPH11290848A (en) * | 1998-04-08 | 1999-10-26 | Chiyoda Kohan Co Ltd | Method and apparatus for filtration |
| CN101538098A (en) * | 2009-04-17 | 2009-09-23 | 海南师范大学 | Drinking water purifying device combining photocatalysis and inorganic membrane filtration technology |
| CN201942594U (en) * | 2011-04-26 | 2011-08-24 | 南海发展股份有限公司 | Ultrafiltration membrane water purification device with ultraviolet |
| CN104370399A (en) * | 2014-10-27 | 2015-02-25 | 苏州腾纳环保科技有限公司 | Water purifier provided with multiple layers of filters |
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2015
- 2015-07-28 CN CN201510451103.4A patent/CN105174569A/en active Pending
Patent Citations (5)
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| CN2232035Y (en) * | 1995-08-18 | 1996-07-31 | 同济大学 | Fixed film photocatalysis oxidized water quality depth purifier |
| JPH11290848A (en) * | 1998-04-08 | 1999-10-26 | Chiyoda Kohan Co Ltd | Method and apparatus for filtration |
| CN101538098A (en) * | 2009-04-17 | 2009-09-23 | 海南师范大学 | Drinking water purifying device combining photocatalysis and inorganic membrane filtration technology |
| CN201942594U (en) * | 2011-04-26 | 2011-08-24 | 南海发展股份有限公司 | Ultrafiltration membrane water purification device with ultraviolet |
| CN104370399A (en) * | 2014-10-27 | 2015-02-25 | 苏州腾纳环保科技有限公司 | Water purifier provided with multiple layers of filters |
Non-Patent Citations (1)
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| 郭春刚等: "纳米TiO2复配添加剂对PVDF中空纤维膜结构和性能的影响", 《净水技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630320A (en) * | 2016-10-28 | 2017-05-10 | 三达膜科技（厦门）有限公司 | Integrated water purifier |
| CN106630320B (en) * | 2016-10-28 | 2020-02-18 | 三达膜科技（厦门）有限公司 | Integrated water purifier |
| CN110015792A (en) * | 2019-05-10 | 2019-07-16 | 北京交通大学 | A kind of photocatalysis urine process recycle device |
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Application publication date: 20151223 |
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