CN201351129Y - Pulse plasma catalytic unit for safety disinfection of drinking water - Google Patents
Pulse plasma catalytic unit for safety disinfection of drinking water Download PDFInfo
- Publication number
- CN201351129Y CN201351129Y CNU2008201679607U CN200820167960U CN201351129Y CN 201351129 Y CN201351129 Y CN 201351129Y CN U2008201679607 U CNU2008201679607 U CN U2008201679607U CN 200820167960 U CN200820167960 U CN 200820167960U CN 201351129 Y CN201351129 Y CN 201351129Y
- Authority
- CN
- China
- Prior art keywords
- reactor
- drinking water
- pulse power
- aerating apparatus
- plasma catalytic
- 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.)
- Expired - Fee Related
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 20
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 18
- 239000003651 drinking water Substances 0.000 title claims abstract description 18
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005273 aeration Methods 0.000 abstract description 7
- 241000894006 Bacteria Species 0.000 abstract description 6
- 239000013543 active substance Substances 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000002925 chemical effect Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 239000002417 nutraceutical Substances 0.000 description 1
- 235000021436 nutraceutical agent Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a pulse plasma catalytic unit for the safety disinfection of drinking water, which comprises an insulation cylindrical reactor with a cover, a pulse power supply, and an air or oxygen aeration device; a needle electrode is fixed in the center of the reactor cover; a tube electrode is arranged close to the inner wall of the reactor; the tube electrode and the needle electrode are respectively connected with the positive pole and the negative pole of the pulse power supply; the reactor cover is provided with a vent; and the bottom of the reactor is provided with an air inlet which is connected with the aeration device. The unit has the advantages of simple structure and convenient operation, fluidizes active carbon by aeration; the active carbon can collect bacteria; and the catalyst loaded on the surface of the active carbon is capable of effectively improving the yield and the utilization rate of active substances when the pulse plasma discharges, thereby reducing the operation cost.
Description
Technical field
The utility model relates to a kind of device that is used for drinking water safety disinfection, belongs to water-treatment technology field.
Background technology
The Drinking Water in China contaminated water source is increasingly sharpened and is worsened in recent years, has brought bigger harm to human beings'health.Present most of water factory water-purifying process also rests on the traditional technology of " flocculation-precipitation-filtration-chlorine disinfectant ", mainly turbidity, suspended substance, colourity, pathogenic bacteria are purpose in the water to remove, and can not effectively remove the pathogenic bacteria in the water and organism especially dissolved organic matter.Organic existence, on the one hand in the process of chlorination can and the chlorine reaction, generate disinfection byproduct (DBP) (DBPs), as haloform (THMs), halogen acetic acid (HAAs) etc., these materials all are proved or doubt to carcinogenic, teratogenesis, mutagenic three and cause material; On the other hand for ducted heterotrophic microorganism provides nutraceutical matrix, cause microorganism in pipe network, to breed easily and form microbial film at tube wall, cause the secondary pollution of tap water in pipe network.
Liquid electricimpulse technology generally adopts high-voltage pulse power source to form plasma body, integrate senior oxidation technologies such as high energy electron irradiation, wet oxidation, chemical oxidation, photochemical catalytic oxidation, system need not be aided with additional oxidizer, High Temperature High Pressure or add technique means such as light source is a kind of treatment technology of novel concept.Pulsed plasma discharge in water process has physical influence and chemical effect simultaneously, and physical influence can form UV-light and shockwave, and its intensity is determined that by discharge energy chemical effect is mainly impelled the formation of active substance, as OH, H
2O
2, O
3Deng.Therefore, UV-light, shockwave and living radical that pulsed discharge plasma technology can utilize discharge to form form multifactor synergies such as high-energy electron, ultraviolet ray, ozone, the enhancement process effect.But the concentration of bacterium is very low in the tap water, and the active substance of pulse plasma discharge generation and energy utilization ratio are not high.
Summary of the invention
It is low that the purpose of this utility model provides a kind of energy consumption, the pulsed plasma catalytic means of the drinking water safety disinfection that germ-killing efficiency is high.
The pulsed plasma catalytic means of drinking water safety disinfection of the present utility model, comprise an aerating apparatus that insulation tubular reactor, the pulse power of lid and the expose to the sun air or the oxygen that exposes to the sun are arranged, center at reactor cap is fixed with pin electrode, be close to reactor wall device tube electrode, the tube electrode links to each other with the positive and negative electrode of the pulse power respectively with pin electrode, production well is arranged on the reactor cap, and the bottom of reactor has inlet mouth to link to each other with aerating apparatus.
The utility model device has two kinds of aeration modes, and when exposing to the sun air, aerating apparatus comprises under meter and the pneumatic pump that is attached thereto, and the under meter of aerating apparatus links to each other with inlet mouth.When exposing to the sun oxygen, aerating apparatus comprises under meter, valve and the oxygen cylinder that connects successively, and the under meter of aerating apparatus links to each other with inlet mouth.
In the utility model, the said pulse power is the negative high voltage pulse power, and voltage of supply is-and 3000V is to-6000V.Said insulation tubular reactor adopts polythene material, and the tube electrode adopts the titanium material.
Device described in the utility model is used for the method for drinking water safety disinfection: with pending tap water injecting reactor, and add the gac that area load has metal catalyst, the concentration of gac is 5-10g/L, a pin electrode and a tube electrode connect voltage for-3000V to the-6000V pulse power, aeration in the reactor is to drinking water disinfection.
The gac of above-mentioned metal supported catalyst can be with carrying the platinum gac.
The utility model utilizes the gac of metal supported catalyst to improve active substance (hydrogen peroxide, ozone and the hydroxyl free radical) productive rate of pulse plasma discharge generation, to drinking water disinfection.
The beneficial effects of the utility model are:
The utility model is simple in structure, easy to operate, make active carbon fluid by aeration, the productive rate and the utilization ratio of active substance when the catalyzer that loads on activated carbon surface can effectively improve the pulsed plasma discharge, but activated carbon surface enrichment of bacterial, thereby improved sterilization effect, reduced running cost.The utility model can be used for the tap water efficient sterilizing, also can be used for the Treatment of Industrial Water sterilization.
Description of drawings
Fig. 1 is the pulsed plasma catalytic means synoptic diagram of drinking water safety disinfection;
Embodiment
In order better to understand the utility model, the utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.
With reference to Fig. 1, the pulsed plasma catalytic means of drinking water safety disinfection comprises insulation tubular reactor 12, the pulse power 1 and an aerating apparatus that lid is arranged, be fixed with pin electrode 3 in the center of reactor cap, be close to reactor wall device tube electrode 2, tube electrode 2 links to each other with the positive and negative electrode of the pulse power 1 respectively with pin electrode 3, production well 11 is arranged on the reactor cap, and the bottom of reactor has inlet mouth 10 to link to each other with aerating apparatus.In the illustrated example, employing be the oxygen unit that exposes to the sun, it comprises successively under meter 4, valve 5 and the oxygen cylinder 6 that connects, the under meter 4 of aerating apparatus links to each other with inlet mouth 10.
Embodiment
Adopt pulsed plasma catalytic means of the present utility model to drinking water disinfection, the bacterium starting point concentration in the tap water is 10
3CFU/ml, initial pH is 6.4, specific conductivity is 250 μ s/cm.Used high-voltage pulse power source operating parameter is: crest voltage-3400V, pulse width is 100 μ s.Adding the concentration of carrying the platinum gac is 10g/L, adopts the air mode of exposing to the sun, and aeration intensity is 667m
3(m
3H)
-1Treatment time is 150s.
Fig. 2 is colibacillary transmission electron microscope photo, and wherein (a) is the different tangent planes of unprocessed bacterium with (c), (b) and (d) is corresponding bacterium sectional elevation after the utility model device is handled.As seen from the figure, the Bacillus coli cells before handling (figure a and c) has complete structure, and is very full.And the Bacillus coli cells wall after the utility model device is handled has breakage (figure b and d), and inclusion is revealed in a large number, and causes bacterium death.Sterilizing rate approaches 99.9%.
Claims (5)
1. the pulsed plasma catalytic means of drinking water safety disinfection, it is characterized in that comprising that one has insulation tubular reactor (12), the pulse power (1) of lid and the aerating apparatus of the expose to the sun air or the oxygen that exposes to the sun, be fixed with pin electrode (3) in the center of reactor cap, be close to reactor wall device tube electrode (2), tube electrode (2) links to each other with the positive and negative electrode of the pulse power (1) respectively with pin electrode (3), production well (11) is arranged on the reactor cap, and the bottom of reactor has inlet mouth (10) to link to each other with aerating apparatus.
2. the pulsed plasma catalytic means of drinking water safety disinfection according to claim 1 is characterized in that said aerating apparatus comprises under meter (4) and the pneumatic pump that is attached thereto, and the under meter of aerating apparatus (4) links to each other with inlet mouth (10).
3. the pulsed plasma catalytic means of drinking water safety disinfection according to claim 1, it is characterized in that said aerating apparatus comprises under meter (4), valve (5) and the oxygen cylinder (6) that connects successively, the under meter of aerating apparatus (4) links to each other with inlet mouth (10).
4. the pulsed plasma catalytic means of drinking water safety disinfection according to claim 1 is characterized in that the pulse power (1) is the negative high voltage pulse power, and voltage of supply is-and 3000V is to-6000V.
5. the pulsed plasma catalytic means of drinking water safety disinfection according to claim 1, the material of the tubular reactor (12) that it is characterized in that insulating is a polyethylene, the material of tube electrode (2) is a titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201679607U CN201351129Y (en) | 2008-11-24 | 2008-11-24 | Pulse plasma catalytic unit for safety disinfection of drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201679607U CN201351129Y (en) | 2008-11-24 | 2008-11-24 | Pulse plasma catalytic unit for safety disinfection of drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351129Y true CN201351129Y (en) | 2009-11-25 |
Family
ID=41374515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201679607U Expired - Fee Related CN201351129Y (en) | 2008-11-24 | 2008-11-24 | Pulse plasma catalytic unit for safety disinfection of drinking water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351129Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040265A (en) * | 2010-11-09 | 2011-05-04 | 浙江大学 | Method for sterilizing liquid by using along-surface resonant pulse discharge plasma |
| CN102311192A (en) * | 2011-06-23 | 2012-01-11 | 仲立军 | Sewage processing device combining plasma discharge with ozone |
| CN103496756A (en) * | 2013-10-14 | 2014-01-08 | 厦门理工学院 | Method and device for removing trihalomethanes in drinking water by plasma |
-
2008
- 2008-11-24 CN CNU2008201679607U patent/CN201351129Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040265A (en) * | 2010-11-09 | 2011-05-04 | 浙江大学 | Method for sterilizing liquid by using along-surface resonant pulse discharge plasma |
| CN102311192A (en) * | 2011-06-23 | 2012-01-11 | 仲立军 | Sewage processing device combining plasma discharge with ozone |
| CN102311192B (en) * | 2011-06-23 | 2013-06-05 | 仲立军 | Sewage processing device combining plasma discharge with ozone |
| CN103496756A (en) * | 2013-10-14 | 2014-01-08 | 厦门理工学院 | Method and device for removing trihalomethanes in drinking water by plasma |
| CN103496756B (en) * | 2013-10-14 | 2015-11-25 | 厦门理工学院 | Plasma body removes haloform devices and methods therefor in tap water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20101124 |