CN102583653A - Glow-discharge plasma water treatment device - Google Patents
Glow-discharge plasma water treatment device Download PDFInfo
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- CN102583653A CN102583653A CN2012100239329A CN201210023932A CN102583653A CN 102583653 A CN102583653 A CN 102583653A CN 2012100239329 A CN2012100239329 A CN 2012100239329A CN 201210023932 A CN201210023932 A CN 201210023932A CN 102583653 A CN102583653 A CN 102583653A
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- discharge plasma
- water flow
- treatment device
- housing
- glow discharge
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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 photoglow water technology utilizes the extra electric field effect exactly; In specific electrochemical reactor; When two interpolar voltages are enough high; Anode needle electrode and produce aura, ultraviolet ray, shockwave on every side between the electrolytic solution makes on every side solvent vaporization and form stable steam sheath rapidly, continues to produce like H, OH, H
2O+gas, H
2O
2On the high reactivity particle, these high reactivity particles almost are difficult to obtain in common electrochemical electrolysis reaction, but in photoglow, can produce continuously.They are easy to be transported near the solution of electrode, can make the organism in the water body thoroughly be degraded to CO
2, H
2O and simple inorganic salt are specially adapted to the 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; The attention that more and more receives people has less energy-consumption, handles the high advantage of waste water efficient; And realize that zero pollution, zero waste discharge, zero sub product produce, and meet the Green Chemistry principle fully.The energetic plasma of using the glow discharge electrolysis generation is a ten minutes sharp " electronics scissors "; Be enough to cut off the Chemical bond key of any Persistent organic pollutants molecule, handling for conventional organic wastewater with difficult degradation thereby provides novel method, new technology and a novel process.Glow discharge plasma has experienced about 100 years till now from producing, and has caused numerous research workers' very big concern, in water treatment, still is in the starting stage, and move towards real industrial application also needs long process.The subject matter that exists at present is:
(1) efficient 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 promptly improved electrode life; Another is a problem of handling the waste water time, promptly how to shorten.For the former, then 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; On catalyzer, apply DC electric field through electrode, catalyzed reaction can be carried out under comparatively gentle processing condition and technology.
(2) DESIGN OF REACTOR, optimization processing condition also are not resolved.Though adopt same voltage, electric current, catalyzer and waste water; But if differences such as the shape of the distributing style of electrode such as electrode, interelectrode distance; Will obtain diverse treatment effect, thus water treatment effect also with reactor design, to optimize processing condition relevant.
Application number is to disclose a kind of device that utilizes the glow discharge plasma treating water in utility model and the patent of invention 200410010570.5 of CN200420086147.9; But its discharge all is the point-like 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 a kind of glow discharge plasma water treatment device in fact, the outer discharge of its pipe is the sheet discharge, and discharge range and intensity are big, and oxidation rate is fast, handle waste water completely; Efficient is high, and power consumption is low; Reaction process serialization and greenization.
The object of the invention is realized through following technical scheme:
A kind of glow discharge plasma water treatment device, it comprises X-former, housing, ventpipe, water flow pipes, quartz glass tube and electrode; Said ventpipe, water flow pipes and quartz glass tube are separately positioned on the said housing; Said ventpipe is used for toward said water flow pipes bubbling air; Said quartz glass tube penetrates said water flow pipes; Said electrode places in the said quartz glass tube; Said electrode connects the anode of said X-former; Said current tube wall connects the negative electrode of said X-former.
Preferably, the two ends of said water flow pipes respectively are equipped with one or more ventpipes.
Preferably, said device comprises water inlet pipe and rising pipe.Said water inlet pipe place is equipped with a flowrate control valve, is used to control the size of the current of access to plant.
Preferably, said ventpipe and said quartz glass tube fasten on said housing through rubber respectively.
Preferably, an end of said water flow pipes is fixed on the said housing through tube sheet and back up pad, and the other end of said water flow pipes is fixed on the said housing through strongback.
Preferably, in said quartz glass tube, vacuumize.
Preferably, said electrode is processed by molybdenum and tungsten alloy, molybdenum, tungsten or platinum.
Preferably, said housing is a cylinder-like structure, and the cylindrical shell of said housing is processed by glass reinforced plastic, and the covers of said housing adopts rubber plate to process.
Preferably, said ventpipe is processed by nylon.
Preferably, said water flow pipes is processed 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, handles waste water completely; Efficient 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 discharge, and discharge range and intensity improve very big, is several ten thousand times an of discharge.
3) the present invention has ventpipe, bubbling air, and airborne oxygen forms oxyradical in discharge process, add the ability of major clean-up operation dirt.
Description of drawings
Fig. 1 is the structural representation of the glow discharge plasma water treatment device of preferred embodiment of the present invention.
Here list the pairing 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 is used for the organism of water is thoroughly degraded, and is specially adapted to the sterilization and the purification of organic waste water.Being applied to Industrial Wastewater Treatment with it in the preferred embodiment of the present invention is that example is explained.
As shown in Figure 1, the glow discharge plasma water treatment device 100 of preferred embodiment of the present invention comprises X-former (scheming not shown), housing 10, ventpipe 30, water flow pipes 50, quartz glass tube 70 and electrode 90.Said ventpipe 30, water flow pipes 50 and quartz glass tube 70 are separately positioned on the said housing 10.Said ventpipe 30 is used for toward said water flow pipes 50 bubbling airs.In preferred embodiment of the present invention, the two ends of said water flow pipes 50 respectively are equipped with one or more ventpipes 30.Said quartz glass tube 70 penetrates said water flow pipes 50, and promptly said water flow pipes 50 is around the periphery of said quartz glass tube 70.The space that forms between said water flow pipes 50 and the said quartz glass tube 70 is used to supply fluid to pass.In preferred embodiment of the present invention, preferably in said quartz glass tube 70, vacuumize.Said electrode 90 places in the said quartz glass tube 70.Said electrode 90 connects the anode of said X-former.Said water flow pipes 50 walls connect the negative electrode of said X-former.In preferred embodiment of the present invention, said housing 10 is a cylinder-like structure, and the cylindrical shell of said housing 10 (scheming not shown) is processed by glass reinforced plastic, and the covers of said housing 10 (scheming not shown) adopts rubber plate to process.Said ventpipe 30 is processed by nylon.Said water flow pipes 50 is processed by stainless steel.Said electrode 90 is processed 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 that between said electrode 90 and said water flow pipes, produces is 600-1500V.
The present invention further comprises water inlet pipe 20 and rising pipe 40.Said water inlet pipe 20 is located at the upper reaches of current, and is connected with said water flow pipes 30.Said rising pipe 40 is located at the downstream of current, connects said water flow pipes 30.In the preferred embodiment of the present invention, said water inlet pipe 20 places are equipped with a flowrate control valve 21, are used to control the size of the current of access to plant.Said ventpipe 30 is fixed on the said housing 10 through rubber card 31 respectively with said quartz glass tube 70.One end of said water flow pipes 30 is fixed on the said housing 10 through tube sheet 33 and back up pad 35, and the other end of said water flow pipes 30 is fixed on the said housing 10 through strongback 37.
After said X-former applies voltage, produce glow discharge plasma between said electrode 90 and the said water flow pipes 50.Waste water constantly gets into from water inlet pipe 20, flows through said water flow pipes 50.In said water flow pipes 50, the organism in the waste water is produced plasma oxidation between said electrode 90 and the said 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 through rising pipe 40 again.
Experimental example 1
Utilize glow discharge plasma water treatment device of the present invention to handle Nitrilon waste water, voltage 800V, output rating 25KW, the treatment time is 5 minutes, (CODcr is meant and adopts SRM 935a (K experimental result in the table as follows
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 handle bio-pharmaceuticals waste water, voltage 1000V, output rating 35KW, the treatment time is 3 minutes, (CODcr is meant and adopts SRM 935a (K experimental result in the table as follows
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 the foregoing description shows that glow discharge plasma water treatment device of the present invention can produce glow discharge plasma, and waste water is handled, and has oxidation rate fast, handles completely; Efficient 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 from the spirit and scope of the present invention; If these changes and distortion belong within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and distortion.
Claims (10)
1. a glow discharge plasma water treatment device is characterized in that: comprise X-former, housing, ventpipe, water flow pipes, quartz glass tube and electrode; Said ventpipe, water flow pipes and quartz glass tube are separately positioned on the said housing; Said ventpipe is used for toward said water flow pipes bubbling air; Said quartz glass tube penetrates said water flow pipes; Said electrode places in the said quartz glass tube; Said electrode connects the anode of said X-former; Said current tube wall connects the negative electrode of said X-former.
2. glow discharge plasma water treatment device according to claim 1 is characterized in that: the two ends of said water flow pipes respectively are equipped with one or more ventpipes.
3. glow discharge plasma water treatment device according to claim 1 is characterized in that: said device comprises water inlet pipe and rising pipe.
4. glow discharge plasma water treatment device according to claim 3 is characterized in that: said water inlet pipe place is equipped with a flowrate control valve, is used to control the size of the current of access to plant.
5. glow discharge plasma water treatment device according to claim 1 is characterized in that: said ventpipe and said quartz glass tube fasten on said housing through rubber respectively.
6. glow discharge plasma water treatment device according to claim 1 is characterized in that: an end of said water flow pipes is fixed on the said housing through tube sheet and back up pad, and the other end of said water flow pipes is fixed on the said housing through strongback.
7. glow discharge plasma water treatment device according to claim 1 is characterized in that: in said quartz glass tube, vacuumize.
8. glow discharge plasma water treatment device according to claim 1 is characterized in that: said electrode is processed by molybdenum and tungsten alloy, molybdenum, tungsten or platinum.
9. glow discharge plasma water treatment device according to claim 1 is characterized in that: said housing is a cylinder-like structure, and the cylindrical shell of said housing is processed by glass reinforced plastic, and the covers of said housing adopts rubber plate to process.
10. glow discharge plasma water treatment device according to claim 1 is characterized in that: said ventpipe is processed by nylon; Said water flow pipes is processed 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 true CN102583653A (en) | 2012-07-18 |
| CN102583653B 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864185A (en) * | 2014-02-20 | 2014-06-18 | 中国石油大学(华东) | Method and device for high-efficiently and quickly oxidizing and fixing arsenic in wastewater based on glow discharge |
| 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 (1)
| Title |
|---|
| 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》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864185A (en) * | 2014-02-20 | 2014-06-18 | 中国石油大学(华东) | Method and device for high-efficiently and quickly oxidizing and fixing arsenic in wastewater based on glow discharge |
| 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 |
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|---|---|
| CN102583653B (en) | 2013-12-04 |
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