CN102583653B - Glow-discharge plasma water treatment device - Google Patents
Glow-discharge plasma water treatment device Download PDFInfo
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- CN102583653B CN102583653B CN2012100239329A CN201210023932A CN102583653B CN 102583653 B CN102583653 B CN 102583653B CN 2012100239329 A CN2012100239329 A CN 2012100239329A CN 201210023932 A CN201210023932 A CN 201210023932A CN 102583653 B CN102583653 B CN 102583653B
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- water flow
- glow
- discharge plasma
- treatment device
- quartz glass
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 5
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 14
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- KRQUFUKTQHISJB-YYADALCUSA-N 2-[(E)-N-[2-(4-chlorophenoxy)propoxy]-C-propylcarbonimidoyl]-3-hydroxy-5-(thian-3-yl)cyclohex-2-en-1-one Chemical compound CCC\C(=N/OCC(C)OC1=CC=C(Cl)C=C1)C1=C(O)CC(CC1=O)C1CCCSC1 KRQUFUKTQHISJB-YYADALCUSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to a glow-discharge plasma water treatment device which comprises a transformer, a housing, a ventilation tube, a water flow tube, a quartz glass tube and an electrode, wherein the ventilation tube, the water flow tube and the quartz glass tube are all arranged on the housing; the ventilation tube is used for introducing air into the water flow tube; the quartz glass tube passes through the water flow tube; the electrode is placed in the quartz glass tube and connected with an anode of the transformer; and the wall of the water flow tube is connected with a cathode of the transformer. Glow-discharge plasma is produced between the electrode and the water flow tube of the device disclosed by the invention. Wastewater continuously flows through the water flow tube, and after organic matters in the wastewater are oxidized by the plasma, the wastewater is changed into pure water to flow out. The glow-discharge plasma water treatment device has the advantages of high oxidation speed, complete and thorough wastewater treatment, high efficiency, low electricity consumption, reaction process continuity and greenness.
Description
Technical field
The invention belongs to field of waste water treatment, particularly a kind of glow-discharge plasma water treatment device.
Background technology
So-called glow discharge water technology utilizes DC Electric Field exactly, in specific electrochemical reactor, when the voltage of two interpolars is enough high, anode needle electrode and produce aura, ultraviolet ray, shockwave on every side between electrolytic solution, make solvent on every side vaporize rapidly and form stable steam sheath, continue to produce as H, OH, H
2O+gas, H
2O
2Contour active particle, these high reactivity particles almost are difficult to obtain in common electrochemical electrolysis reaction, but can produce continuously in glow discharge.They are easy to be transported near the solution of electrode, can make the organism in water body thoroughly be degraded to CO
2, H
2O and simple inorganic salt, be specially adapted to sterilization and the purification of organic waste water.The glow discharge plasma technology is a kind of eco-friendly, emerging electrochemistry high-level oxidation technology, aspect environmental pollution improvement particularly aspect the removal of bio-refractory organic waste water, more and more be subject to people's attention there is less energy-consumption, to process waste water efficiency high, and realize that zero pollution, zero waste discharge, zero byproduct produce, and meet Green Chemistry Theory fully.The energetic plasma that the application glow discharge electrolysis produces is one very sharp " electronic scissors ", be enough to cut off the Chemical bond key of any Persistent organic pollutants molecule, for conventional organic wastewater with difficult degradation thereby, process novel method, new technology and a novel process are provided.Glow discharge plasma has experienced approximately 100 years till now from producing, and has caused numerous research workers' very big concern, and in water treatment, still in the starting stage, move towards real industrial application also needs the process of growing.The subject matter existed at present is:
(1) efficiency is not high.The difficult point of the extraordinary hardly degraded organic substance of glow discharge plasma art breading is two problems: the one, and electrode life, how problem, improved electrode life; Another is the problem of processing the waste water time, how to shorten.For the former, to start with from electrode materials, structure and the preparation method of development high electrocatalytic active, this material not only can be worked as electrode, and can work as catalyzer.For the latter, mainly efficient from developing, long-life loaded organo-metallic solid heterogeneous catalyst is started with, catalyzer is packed in corrosion-resistant, nonconducting fixed-bed reactor, apply DC electric field by electrode on catalyzer, catalyzed reaction can be carried out under comparatively gentle processing condition and technology.
(2) the Design and optimization processing condition of reactor also are not resolved.Although adopt same voltage, electric current, catalyzer and waste water, if but the distributing style of electrode is as differences such as the shape of electrode, interelectrode distances, will obtain diverse treatment effect, so water treatment effect is also relevant with reactor design, Optimizing Technical.
A kind of device that utilizes glow discharge plasma to process water is disclosed in the utility model that application number is CN200420086147.9 and patent of invention 200410010570.5, but its electric discharge is all the point-like electric discharge, the discharge range small intensity is low on the one hand, can not form the continuous discharge current on the other hand.
Summary of the invention
In view of this, be necessary to provide in fact a kind of glow-discharge plasma water treatment device, the outer electric discharge of its pipe is the sheet electric discharge, and discharge range and intensity are large, and oxidation rate is fast, process waste water fully and completely; Efficiency is high, and power consumption is low; Reaction process serialization and greenization.
Purpose of the present invention is achieved through the following technical solutions:
A kind of glow-discharge plasma water treatment device, it comprises transformer, housing, ventpipe, water flow pipes, quartz glass tube and electrode; Described ventpipe, water flow pipes and quartz glass tube are separately positioned on described housing; Described ventpipe is for passing into air toward described water flow pipes; Described quartz glass tube penetrates described water flow pipes; Described electrode is placed in described quartz glass tube; Described electrode connects the anode of described transformer; Described current tube wall connects the negative electrode of described transformer.
Preferably, the two ends of described water flow pipes respectively are equipped with one or more ventpipes.
Preferably, described device comprises water inlet pipe and rising pipe.Described water inlet pipe place is equipped with a flowrate control valve, for the size of the current of controlling access to plant.
Preferably, described ventpipe and described quartz glass tube fasten on described housing by rubber respectively.
Preferably, an end of described water flow pipes is fixed on described housing by tube sheet and back up pad, and the other end of described water flow pipes is fixed on described housing by strongback.
Preferably, in described quartz glass tube, vacuumize.
Preferably, described electrode is made by molybdenum and tungsten alloy, molybdenum, tungsten or platinum.
Preferably, described housing is cylinder-like structure, and the cylindrical shell of described housing is made by glass reinforced plastic, and the upper and lower covers of described housing adopts rubber plate to make.
Preferably, described ventpipe is made by nylon.
Preferably, described water flow pipes is made by stainless steel.
Compared with prior art, the invention has the beneficial effects as follows:
1) device oxidation rate of the present invention is fast, processes waste water fully and completely; Efficiency is high, and power consumption is low; Reaction process serialization and greenization.
2) the outer continuous discharge of device pipe of the present invention is the sheet electric discharge, and discharge range and intensity improve very large, is several ten thousand times an of electric discharge.
3) the present invention has ventpipe, passes into air, and airborne oxygen forms oxyradical in discharge process, adds the ability of major clean-up operation dirt.
The accompanying drawing explanation
The structural representation of the glow-discharge plasma water treatment device that Fig. 1 is preferred embodiment of the present invention.
Here list the corresponding component names of each Reference numeral:
The 100-water treatment device
The 10-housing
The 20-water inlet pipe
The 21-flowrate control valve
The 30-ventpipe
31-rubber card
The 33-tube sheet
The 35-back up pad
The 37-strongback
The 40-rising pipe
The 50-water flow pipes
The 70-quartz glass tube
The 90-electrode
Embodiment
Glow-discharge plasma water treatment device of the present invention, for the organism of water is thoroughly degraded, is specially adapted to sterilization and the purification of organic waste water.Take in preferred embodiment of the present invention that it is applied to Industrial Wastewater Treatment and is illustrated as example.
As shown in Figure 1, the glow-discharge plasma water treatment device 100 of preferred embodiment of the present invention comprises transformer (scheming not shown), housing 10, ventpipe 30, water flow pipes 50, quartz glass tube 70 and electrode 90.Described ventpipe 30, water flow pipes 50 and quartz glass tube 70 are separately positioned on described housing 10.Described ventpipe 30 is for passing into air toward described water flow pipes 50.In preferred embodiment of the present invention, the two ends of described water flow pipes 50 respectively are equipped with one or more ventpipes 30.Described quartz glass tube 70 penetrates described water flow pipes 50, and described water flow pipes 50 is around the periphery of described quartz glass tube 70.The space formed between described water flow pipes 50 and described quartz glass tube 70 is for passing for fluid.In preferred embodiment of the present invention, preferably in described quartz glass tube 70, vacuumize.Described electrode 90 is placed in described quartz glass tube 70.Described electrode 90 connects the anode of described transformer.Described water flow pipes 50 walls connect the negative electrode of described transformer.In preferred embodiment of the present invention, described housing 10 is cylinder-like structure, and the cylindrical shell of described housing 10 (scheming not shown) is made by glass reinforced plastic, and the upper and lower covers of described housing 10 (scheming not shown) adopts rubber plate to make.Described ventpipe 30 is made by nylon.Described water flow pipes 50 is made by stainless steel.Described electrode 90 is made by molybdenum and tungsten alloy, molybdenum, tungsten or platinum.House transformer of the present invention is that market is bought, and its voltage is 500-1800V, and the voltage produced between described electrode 90 and described water flow pipes is 600-1500V.
The present invention further comprises water inlet pipe 20 and rising pipe 40.Described water inlet pipe 20 is located at the upstream of current, and is connected with described water flow pipes 30.Described rising pipe 40 is located at the downstream of current, connects described water flow pipes 30.In preferred embodiment of the present invention, described water inlet pipe 20 places are equipped with a flowrate control valve 21, for the size of the current of controlling access to plant.Described ventpipe 30 is fixed on described housing 10 by rubber card 31 respectively with described quartz glass tube 70.One end of described water flow pipes 30 is fixed on described housing 10 by tube sheet 33 and back up pad 35, and the other end of described water flow pipes 30 is fixed on described housing 10 by strongback 37.
After described transformer applies voltage, between described electrode 90 and described water flow pipes 50, produce glow discharge plasma.Waste water constantly enters from water inlet pipe 20, flows through described water flow pipes 50.In described water flow pipes 50, the organism in waste water is produced plasma oxidation between described electrode 90 and described water flow pipes 50, generates small organic molecule, thereby even directly is degraded to carbonic acid gas and water is removed.Having removed organic water through plasma oxidation flows out by rising pipe 40 again.
Experimental example 1
Utilize glow-discharge plasma water treatment device of the present invention to process Nitrilon waste water, voltage 800V, output rating 25KW, the treatment time is 5 minutes, experimental result is following, and (in table, CODcr refers to and adopts potassium bichromate (K
2Cr
2O
7) chemical oxygen demand that determines as oxygenant):
| Index | CODcr(mg/l) | Colourity (doubly) | Total nitrogen (mg/l) |
| Influent quality | 1501 | 200 | 45 |
| Effluent quality | 388 | 25 | 5 |
| Degradation rate (%) | 75 | 87.5 | 88.9 |
Experimental example 2
Utilize glow-discharge plasma water treatment device of the present invention to process Wastewater in Biologic Pharmacy, voltage 1000V, output rating 35KW, the treatment time is 3 minutes, experimental result is following, and (in table, CODcr refers to and adopts potassium bichromate (K
2Cr
2O
7) chemical oxygen demand that determines as oxygenant):
| Index | CODcr(mg/l) | Total nitrogen (mg/l) | Colourity (doubly) |
| Influent quality | 826 | 78 | 400 |
| Effluent quality | 152 | 15 | 50 |
| Degradation rate (%) | 81.6 | 80.8 | 87.5 |
The experimental result of above-described embodiment shows, glow-discharge plasma water treatment device of the present invention can produce glow discharge plasma, and waste water is processed, and has oxidation rate fast, processes fully and completely; Efficiency is high, and power consumption is low; Reaction process serialization and greenization.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or distortion are not broken away to the spirit and scope of the present invention, within if these changes and distortion belong to claim of the present invention and equivalent technologies scope, the present invention also is intended to comprise these changes and distortion.
Claims (8)
1. a glow-discharge plasma water treatment device, is characterized in that: comprise transformer, housing, ventpipe, water flow pipes, quartz glass tube and electrode; Described ventpipe, water flow pipes and quartz glass tube are separately positioned on described housing; Described ventpipe is for passing into air toward described water flow pipes; Described quartz glass tube penetrates described water flow pipes and vacuumizes in described quartz glass tube; Described electrode is placed in described quartz glass tube; Described electrode connects the anode of described transformer, and described electrode is made by molybdenum and tungsten alloy, molybdenum, tungsten or platinum; Described current tube wall connects the negative electrode of described transformer.
2. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: the two ends of described water flow pipes respectively are equipped with one or more ventpipes.
3. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: described device comprises water inlet pipe and rising pipe.
4. glow-discharge plasma water treatment device according to claim 3, it is characterized in that: described water inlet pipe place is equipped with a flowrate control valve, for the size of the current of controlling access to plant.
5. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: described ventpipe and described quartz glass tube fasten on described housing by rubber respectively.
6. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: an end of described water flow pipes is fixed on described housing by tube sheet and back up pad, and the other end of described water flow pipes is fixed on described housing by strongback.
7. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: described housing is cylinder-like structure, and the cylindrical shell of described housing is made by glass reinforced plastic, the upper and lower covers of described housing adopts rubber plate to make.
8. glow-discharge plasma water treatment device according to claim 1, it is characterized in that: described ventpipe is made by nylon; Described water flow pipes is made by stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100239329A CN102583653B (en) | 2012-02-03 | 2012-02-03 | Glow-discharge plasma water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100239329A CN102583653B (en) | 2012-02-03 | 2012-02-03 | Glow-discharge plasma water treatment device |
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| CN102583653A CN102583653A (en) | 2012-07-18 |
| CN102583653B true CN102583653B (en) | 2013-12-04 |
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| CN2012100239329A Expired - Fee Related CN102583653B (en) | 2012-02-03 | 2012-02-03 | Glow-discharge plasma water treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864185B (en) * | 2014-02-20 | 2015-09-30 | 中国石油大学(华东) | The efficient Quick Oxidation of glow discharge is utilized to fix method and the device thereof of arsenic in waste water |
| CN105217736A (en) * | 2014-06-16 | 2016-01-06 | 上海美境环保工程有限公司 | A kind of method of wastewater treatment and equipment thereof |
| CN106277174A (en) * | 2016-09-14 | 2017-01-04 | 苏州超等医疗科技有限公司 | Plasma tubular type waterfall water processing means |
| CN106358356A (en) * | 2016-09-14 | 2017-01-25 | 苏州超等医疗科技有限公司 | Waterfall type water discharging generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819737A (en) * | 2006-03-14 | 2006-08-16 | 中国科学院物理研究所 | Barrier glow discharging plasma generator and generation with atmosphere medium |
| KR20110034830A (en) * | 2009-09-29 | 2011-04-06 | 웅진코웨이주식회사 | Apparatus for treating waste water |
-
2012
- 2012-02-03 CN CN2012100239329A patent/CN102583653B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819737A (en) * | 2006-03-14 | 2006-08-16 | 中国科学院物理研究所 | Barrier glow discharging plasma generator and generation with atmosphere medium |
| KR20110034830A (en) * | 2009-09-29 | 2011-04-06 | 웅진코웨이주식회사 | Apparatus for treating waste water |
Non-Patent Citations (2)
| Title |
|---|
| 介质阻挡气液两相放电灭活大肠杆菌;王翠华 等;《中国环境科学》;20051231;第25卷(第2期);第196页第1段、第1.1节及图1 * |
| 王翠华 等.介质阻挡气液两相放电灭活大肠杆菌.《中国环境科学》.2005,第25卷(第2期),第196页第1段、第1.1节及图1. |
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