CN101497486A - Multi-stage water purifying apparatus with diamond electrocatalysis module - Google Patents
Multi-stage water purifying apparatus with diamond electrocatalysis module Download PDFInfo
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- CN101497486A CN101497486A CNA2009100246443A CN200910024644A CN101497486A CN 101497486 A CN101497486 A CN 101497486A CN A2009100246443 A CNA2009100246443 A CN A2009100246443A CN 200910024644 A CN200910024644 A CN 200910024644A CN 101497486 A CN101497486 A CN 101497486A
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Abstract
The invention relates to a multistage water purifying device provided with a diamond electrocatalysis module, which comprises a shell (5) and a filter, and is characterized in that the filter comprises a first stage filter (1), a second stage filter (2), a diamond electrocatalysis module filter (3) and a fourth stage filter (4), wherein the input end of the first stage filter (1) is connected with a water inlet (6), while the output end of the first stage filter (1) is connected with the input end of the second stage filter (2) through a water pipe; the output end of the second stage filter (2) is connected with the input end of the diamond electrocatalysis module filter (3) through the water pipe; the output end of the diamond electrocatalysis module filter (3) is connected with the input end of the fourth stage filter (4) through the water pipe; and the output end of the fourth stage filter (4) is connected with a water outlet (7) through the water pipe. The multistage water purifying device achieves the chemical treatment of pollutants and the electrocatalysis inactivation of bacteria, is expected to avoid secondary pollution, has low energy consumption and long service life, has certain wastewater resistant concentration wave properties simultaneously, and is a train of thought for improving the prior common water purifying devices.
Description
Technical field
The present invention relates to a kind of combined water purifying equipment, a kind of specifically multi-stage water purifying apparatus that has diamond electrocatalysis module.
Background technology
In recent years, water quality shortage and pollution problem are serious day by day, society and expanding economy are brought about great losses, and threaten mankind itself's existence day by day, and countries in the world are dropped into a large amount of manpower and materials for this reason and studied improvement.A series of method of wastewater treatment arise at the historic moment, wherein electrochemical process since its distinct advantages and extremely water treatment field investigator's parent look at, reason is that electronics that electrochemical process uses Environmental Safety as reagent, is expected to avoid producing secondary pollution; Equipment is comparatively simple, is easy to automatic control, and hardly degraded organic substance is had the good treatment effect, also can make the organism of difficult degradation be converted into can biochemical degradation organism, or make the organism of the non-biochemical degradation mineralising of directly burning generate CO
2And H
2O.Different electrode materialss can cause the variation of the electrochemical reaction rates order of magnitude, and electrode materials is the effective way that improves electrochemical reaction efficient so select efficiently.Boron-doped diamond electrode (BDD) is as a kind of electrode materials of novelty, compare with conventional graphite electrode, noble metal electrode and metal oxide electrode etc., has best anodic oxidation ability, the strongest erosion resistance and contamination resistance, the wideest potential window and the highest current density.Nineteen ninety-five, after Carey etc. introduces water treatment field with the BDD electrode, opened up new direction for electrochemical process processing drinking water and organic waste water, be the hot fields of our times various countries research.
The safety of drinking water problem is to be caused by the pollution that factors such as microorganism, chemical substance and physics cause, and wherein microbial contamination is considered to endanger maximum and the most basic problem.Often there is the harm of microorganism in the life to drinking water pollution, especially true when big disaster such as earthquake takes place.In Japan, the existing electrolytic process of using is preserved the trial of tap water, and has obtained great success.The long-term electrolysis preservation technology that meets a large amount of tap water of tap water quality standard is about to enter practicability.
Summary of the invention
The objective of the invention is only to be simple physical filtering and adsorption process at the existing water purifier of existing market, pollutent really is not removed, introduce the multi-stage water purifying apparatus have diamond electrocatalysis module for this reason, have the chemical treatment that realizes pollutent and the electrocatalysis deactivation of bacterium.
Technical scheme of the present invention is:
A kind of multi-stage water purifying apparatus with diamond electrocatalysis module, comprise housing 5, it is characterized in that in the described housing 5 grade one filter 1 being installed, secondary filter 2, diamond electrocatalysis module filters 3, level Four strainer 4, the input terminus of grade one filter 1 taps into the mouth of a river 6, its output terminal links to each other by the input terminus of water pipe with secondary filter 2, the output terminal of secondary filter 2 links to each other with diamond electrocatalysis module filters 3 by water pipe, the output terminal of diamond electrocatalysis module filters 3 links to each other with level Four strainer 4 by water pipe, and level Four strainer 4 links to each other with water outlet 7 by water pipe.
Described diamond electrocatalysis module filters 3 inside are maze-type structure.
Described diamond electrocatalysis module filters 3 is selected boron-doped diamond electrode B DD for use.
Beneficial effect of the present invention:
1, can analyze by composition, take into full account and compare the variation fluctuation range of its composition and each concentration of component, the adjusting measure (generally realizing) that design is corresponding by simple adjustment voltage or electric current to the water quality of required processing.
2, can guarantee the normal supply of tap water when big disaster, also can be used as a kind of means of the microorganism risk that reduces the tap water that is subjected to microbial contamination and be applied to as family, office building or other purpose.
3, realize the chemical treatment of pollutent and the electrocatalysis deactivation of bacterium, be expected to avoid producing secondary pollution
4, energy consumption is low, and long service life has certain anti-waste strength fluctuation simultaneously, is a thinking of the existing common water purifier of improvement.
Description of drawings
Fig. 1 is a composition structured flowchart of the present invention.
Fig. 2 is a diamond electrocatalysis inside modules labyrinth structure synoptic diagram of the present invention.
Embodiment
The present invention is described further below in conjunction with drawings and Examples.
As shown in Figure 1, 2.
A kind of multi-stage water purifying apparatus with diamond electrocatalysis module, comprise housing 5, it is characterized in that in the described housing 5 grade one filter 1 being installed, adopt the molten blown filter of PP (polypropylene), pre-treatment is carried out in water inlet, can remove materials such as water small particles, suspended substance, colloid, help giving full play to of follow-up diamond catalytic oxidation effect.Filtration area and dirt content are big, good filtration effect, and the life-span is long, and can repeatedly clean.Secondary filter 2 adopts the extruded activated carbon filter core, and the degree of depth is removed heterochromatic, peculiar smell, the part chlorine residue in the water, effectively improves the water outlet mouthfeel.Adopt bar-shaped form and screen cloth structure, make filter core have the double filtration characteristic.Diamond electrocatalysis module filters 3 adopts diamond electrocatalysis module, is designed to the water purification module of compact efficient, is the core of this water purifier, also is the conversion of laboratory result to practice.Can effectively kill bacterium in the water, remove residual small organic molecule.Level Four strainer 4 adopts the Hollow Fiber Ultrafiltration cortina to hold back atomic little suspended substance, bacterium corpse, and its water outlet is limpid especially, and can clean.The input terminus of grade one filter 1 taps into the mouth of a river 6, its output terminal links to each other by the input terminus of water pipe with secondary filter 2, the output terminal of secondary filter 2 links to each other with diamond electrocatalysis module filters 3 by water pipe, the output terminal of diamond electrocatalysis module filters 3 links to each other with level Four strainer 4 by water pipe, and level Four strainer 4 links to each other with water outlet 7 by water pipe.
Adopt the reason of above structure to be, consider in the general former water and all contain some particles and suspended substance, adopt the cotton coarse filtration of PP for this reason as the first step.The extruded activated carbon filter core can be strengthened macrofiltration, for the electrocatalysis module alleviates sub-load, can be used as the second stage simultaneously for this reason, and the electrocatalysis module realizes the decontamination and the sterilizing function of the overwhelming majority as the core.The bacterium corpse is unfavorable to health, so last step adopts hollow fiber ultrafiltration membrane to hold back.This part life-span is the shortest usually, and the into pollutant load of water is depended in the replacing of filter core, but prolongs life 3-4 is doubly after adopting the electrocatalysis module as preposition workshop section.Ultra-filtration membrane also can be used as when front workshop section breaks down, and guarantees the safety lever of effluent characteristics.
Described diamond electrocatalysis module filters 3 inside are maze-type structure.It is starting material that diamond electrocatalysis Module Design adopts boron-doped diamond film (BDD) electrode of hot filament CVD preparation, and base material is a p type silicon, and electrode is the disk of diameter 75mm, and thickness is 0.15mm.And adopting wire cutting technology to make two stainless steel disks of same diameter, thickness is 1mm.Consider that the BDD pole strength is not high cracked easily, a slice stainless steel substrates wherein directly is glued together as the anode of electrolytic module as propping material and BDD electrode, surface stainless steel from the outside during energising is powered, in addition a slice stainless steel substrates through the polishing after directly as negative electrode.According to some results that experiment obtains, determine that interelectrode distance is 12mm, initially applying voltage is the 24V direct current.
Consider that the centre does not add barrier film and water channel control strip if this module directly is designed to the structure of similar CD Player shown in Figure 1, then water inlet and water outlet will directly be passed through between two mouths of a river fast, and the water of both sides promptly becomes the dead angle.Consider in two electrode intermediary spaces, the water channel control strip to be set for this reason, separator material uses the silicon rubber of high comprehensive performance, by Mould Machining is 14 road labyrinth structures shown in Figure 2, current complications in module are passed through, increase the residence time, improved the actual effective active area of BDD electrode.Experiment shows that when flow velocity was 0.5L/min, under the effect of 24V direct current, the clearance of bacterium (is example with intestinal bacteria) can reach more than 90%.In addition, the sheating material of electrocatalysis module adopts nylon processing, about two by the chimeric connection of screw thread, guarantee to seal water-tight.
Described diamond electrocatalysis module filters 3 is selected boron-doped diamond electrode B DD for use.At the characteristics of open-air water wide material sources, develop quality purifying device for water based on the boron-doped diamond electrode module, be used for efficient remove fast water body objectionable impurities and bacterium.This combined water purifying device removes this combined water purifying device and is designed to light Backpack type, can be about January for field usage, and can correspondingly improve work-ing life when the power supply supply is arranged, and guarantees that drinking water quality reaches normal level.
Diamond anode in the electrocatalysis module produces under DC electric field continuously has the very hydroxyl free radical and the hydrogen peroxide of strong oxidizing property, and oxide species such as ozone can be CO with micro quantity organic pollutant reaction in the water
2And H
2O.Utilize the ionogen such as chlorion that itself exist in the natural water in addition, can realize sterilization under DC electric field, its effect comprises indirect electrochemical chlorine disinfectant and direct electric field effect sterilization.Decontamination and disinfectant speed all can apply voltage or electric current is realized by adjusting.
Main technical details and technical indicator:
Water purifier can use about January in the open air for 1-3 people, can correspondingly improve work-ing life when the power supply supply is arranged, guarantee that drinking water quality reaches national direct-drinking water standard level (comprising " Drinking Water hygienic quality standard " (2001), " Drinking Water water quality treater hygienic safety and functional evaluation standard-general water quality treater " (2001)).Consider that the water yield that need drink is little, for alleviating water purifier weight, avoid using heavy topping-up pump, adopt the manual rocking bar water inlet of light-weight, frequency is can satisfy the intake pressure requirement 1 time/second.
■ applied hydraulic pressure: 0.05-0.30MPa, general operation pressure 0.05-0.10MPa
The specified net water flux of ■: 0.5L/min
■ suitable environment temperature: 5-40 ℃
The total water purification amount of ■ single:〉50,000 L (it is fixed to look the influent quality situation)
■ is suitable for water purification water quality: municipal tap water, micro-polluted Xia Shui and little pollution water of river and lake
■ power supply method of supplying: chargeable 6000mAh lithium cell, 24V direct current
The ■ type of drive of intaking: the joystick water inlet, frequency is 1 time/second.
The present invention has realized modularization to BDD electrode electrocatalysis technology, has designed and produced corresponding modularization water purification unit, and with the existing ingenious combination of water purification module in market after be applied to drinking water safety and ensure the field.The combined water purifying device of the present invention design is compared with common water purifier and has been widened Application Areas, particularly can be used as in natural disaster and guarantees new approaches aspect the drinking water safety period.
Claims (3)
1, a kind of multi-stage water purifying apparatus with diamond electrocatalysis module comprises housing (5), strainer, it is characterized in that described strainer comprises grade one filter (1), secondary filter (2), diamond electrocatalysis module filters (3), level Four strainer (4).The input terminus of grade one filter (1) taps into the mouth of a river (6), grade one filter (1) output terminal links to each other by the input terminus of water pipe with secondary filter (2), the output terminal of secondary filter (2) links to each other by water pipe and diamond electrocatalysis module filters (3) input terminus, the output terminal of diamond electrocatalysis module filters (3) links to each other with level Four strainer (4) input terminus by water pipe, and level Four strainer (4) output terminal links to each other with water outlet (7) by water pipe.
2, the multi-stage water purifying apparatus of band diamond electrocatalysis module according to claim 1 is characterized in that described diamond electrocatalysis module filters (3) inside is maze-type structure.
3, the multi-stage water purifying apparatus of band diamond electrocatalysis module according to claim 1 and 2 is characterized in that described diamond electrocatalysis module filters (3) selects boron-doped diamond electrode B DD for use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100246443A CN101497486B (en) | 2009-02-25 | 2009-02-25 | Multi-stage water purifying apparatus with diamond electrocatalysis module |
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| CN2009100246443A CN101497486B (en) | 2009-02-25 | 2009-02-25 | Multi-stage water purifying apparatus with diamond electrocatalysis module |
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| CN101497486A true CN101497486A (en) | 2009-08-05 |
| CN101497486B CN101497486B (en) | 2011-02-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457267A (en) * | 2018-11-19 | 2019-03-12 | 江苏全给净化科技有限公司 | A kind of ozone generating-device module and collection method based on diamond electrode |
| CN110127911A (en) * | 2019-05-31 | 2019-08-16 | 山东省科学院海洋仪器仪表研究所 | A kind of drinking water purification system and purification method based on diamond thin |
| CN115090127A (en) * | 2022-06-20 | 2022-09-23 | 中南林业科技大学 | Limited domain membrane with electrocatalysis performance, and manufacturing method and application thereof |
-
2009
- 2009-02-25 CN CN2009100246443A patent/CN101497486B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457267A (en) * | 2018-11-19 | 2019-03-12 | 江苏全给净化科技有限公司 | A kind of ozone generating-device module and collection method based on diamond electrode |
| CN110127911A (en) * | 2019-05-31 | 2019-08-16 | 山东省科学院海洋仪器仪表研究所 | A kind of drinking water purification system and purification method based on diamond thin |
| CN115090127A (en) * | 2022-06-20 | 2022-09-23 | 中南林业科技大学 | Limited domain membrane with electrocatalysis performance, and manufacturing method and application thereof |
| CN115090127B (en) * | 2022-06-20 | 2023-04-18 | 中南林业科技大学 | Limited domain membrane with electrocatalysis performance, and manufacturing method and application thereof |
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| CN101497486B (en) | 2011-02-09 |
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