CN101780999B - Discharging atomizing and catalyzing cooperation water treating method - Google Patents
Discharging atomizing and catalyzing cooperation water treating method Download PDFInfo
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- CN101780999B CN101780999B CN200910262104A CN200910262104A CN101780999B CN 101780999 B CN101780999 B CN 101780999B CN 200910262104 A CN200910262104 A CN 200910262104A CN 200910262104 A CN200910262104 A CN 200910262104A CN 101780999 B CN101780999 B CN 101780999B
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- water
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- treatment chamber
- titanium dioxide
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Abstract
The invention relates to a water treating method by discharging and atomizing water to be treated and a discharging plasma carrying out transition luminescence to excite the activity of a plating film titanium dioxide catalyst. The water to be treated is atomized by a multiple-nozzle metal discharging electrode and sprayed out, is atomized under the actions of strong electric field force and surface tension, and is distributed in a grounding treating chamber which is used as a discharging reacting chamber in a small droplet form. When the water to be treated passes through the grounding treating chamber, the inner wall of which is plated with a titanium dioxide film, the activity of the titanium dioxide is excited by the transition luminescence of a discharging plasma ultraviolet area, and contaminants in the water to be treated are removed. The water enters a water storage pool, is delivered to the top of the water treating chamber by a water pump, and starts one new circulation. The invention has the advantages that the water to be treated is sprayed out from the discharging electrode, thereby increasing the action probability of the discharging plasma and the contaminants in the water; the activity of the titanium dioxide is excited by the transition luminescence of the discharging plasma, the method is simple, the action is effective, and the removal rate of the contaminants can be enhanced at high efficiency.
Description
Technical field
The present invention relates to discharge plasma water purifier field, be specifically related to the process for purifying water that pending water of discharging atomizing and catalysis means combine.
Background technology
Discharge plasma technique is applied to the improvement to environment thing pollutent, has significant advantages such as not having secondary pollution.Contain in the discharge plasma and comprise hydroxyl (OH), Sauerstoffatom (O), ozone (O
3), hydrogen peroxide (H
2O
2) the isoreactivity species, can carry out oxidation or reduction reaction with multiple environmental pollutant, kill pathogenic bacterium, decomposition or transform poisonous, objectionable impurities.Adopt discharge plasma that the water purification treatment technology is comprised last century, the nineties began discharge electrode is placed on the water surface, the surface at water in discharge process forms " taylor cone "; Discharge electrode in recent years places pending water, and increases the quantity of living radical through aeration in pending water; And recently Dalian University of Technology put forward with discharge plasma that geseous discharge generated through the aeration form, add the form of the liquid electrode surface discharge in the pending water etc.Thus, discharge plasma, to acting on around the discharge electrode, but contacts with pending water to big area from only acting on the surface of water the effect of water pollutant, and reach progressively strengthens.But the life-span of active specy is very short, is example with the OH radical, is merely 10
-7S; These active substances in diffusion process can since self from the de excitation of excited state to ground state; Perhaps rapidly disappear with the collision of other particles; So discharge electrode places on the water surface, discharge electrode places pending water perhaps discharge plasma to be joined the form of pending water with the form of air-blowing; All because of the own characteristic of discharge plasma receives certain restriction, the efficient of discharge plasma water treatment remains further to be improved for the effect that makes full use of discharge plasma and water pollutant.
Summary of the invention
The objective of the invention is on the basis of existing technology, propose a kind of water treating method that makes discharge plasma more effectively act on the pollutent in the water, improve removal efficiency water pollutant.
Technical scheme of the present invention is formed discharging atomizing and catalyzing cooperation water treating device by discharging atomizing system, treatment chamber and tank.Pending water is from multi-nozzle metal discharge electrode atomizing ejection; In the ground connection treatment chamber of stainless material, inwall plating titanium dioxide film, pass through; Get into tank; By water pump the water in the tank is delivered to the treatment chamber apical position, the telescopic metal water inlet pipe that the overcoat insulating material that the entering of warp insulation joint links to each other with the discharge nozzle is processed begins new circulation.The discharge injector electrode is one group or two groups, and every group is six nozzles, connects nozzle and water inlet pipe through metallic water pipe, and nozzle is parallel with process chamber sidewalls, is evenly distributed on columniform inner treatment chamber space.If adopt the form of two groups of nozzles, the length of the nozzle of two groups of discharge electrodes and the connection water pipe between the water inlet pipe is different, and is longer from the connection water pipe of one group of near discharge electrode of water inlet pipe, and two groups of discharge nozzles alternately distribute in the space.In treatment chamber inwall and the corresponding position of discharge nozzle, its center line of plated film band aligns with the discharge nozzle tip TiO 2 coating film with zonal arrangement.Pending water, is atomized under forceful electric power field force and capillary effect from multi-nozzle discharge electrode ejection, is distributed in the exoelectrical reaction space with the form of small droplets.Near the concentration of discharge plasma discharge electrode is the highest, and pending water is from the highest discharge electrode processes of stripped concentration such as discharges, and is atomized into the form of small droplets, has increased the probability of discharge plasma and water pollutant effect greatly.On the inwall of treatment chamber, plate titanium dioxide film, utilize the transition luminescence of discharge plasma ultraviolet region, the light of this wavelength period can excite the activity of titanium oxide well, improves the action effect of discharge plasma to pollutant removing.
The invention has the beneficial effects as follows the ejection of the water self-discharge utmost point, increased the effect probability of discharge plasma and water pollutant; Utilize the transition luminescence of discharge plasma to excite the activity of plated film titanium oxide, means are simpler, and action effect is better, can effectively improve the removal efficiency of pollutent.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing and case study on implementation.
The unified group of Fig. 2 discharging atomizing electrode system of the present invention nozzle arrangements vertical view;
The unified group of Fig. 3 discharging atomizing electrode system of the present invention nozzle arrangements side-view;
Two groups of nozzle arrangements vertical views of Fig. 4 discharging atomizing electrode system of the present invention;
Two groups of nozzle arrangements side-views of Fig. 5 discharging atomizing electrode system of the present invention.
Label among the figure:
1, high pressure access point 2, insulation thimble 3, discharging atomizing system 4, titanium dioxide film 5, treatment chamber
6, isolating joint 7, water inlet pipe 8, water pump 9, rising pipe 10, tank
11, pending water 12, water pipe 13, discharge injector electrode 14, connect water pipe
Through a case study on implementation, further specify the present invention below.
Shown in accompanying drawing 1: the present invention mainly is made up of with treatment chamber 5 discharging atomizing system 3.Water inlet pipe 7 overcoat insulation thimble 2, the present invention gets into insulation thimble 2 high pressure access point 1 before through water inlet pipe 7, is system's power supply.If 3 one groups of discharging atomizing systems, then be 6 the discharge injector electrodes (seeing Fig. 2, Fig. 3), if its two groups, then be 12 the discharge injector electrodes (seeing Fig. 4, Fig. 5).Pending water 11 is smoked from tank 10 by water pump 8, gets into discharging atomizing system 3 through water pipe 12 and isolating joint 6, water inlet pipe 7, after treatment chamber 5 is cleaned, gets back to tank 10 by rising pipe 9, begins circular treatment next time.
Treatment chamber 5 is cylindrical shells of being processed by metallic substance such as stainless materials: internal diameter 220mm, high 250mm, ground connection.The rising pipe 9 of treatment chamber 5 is processed by stainless steel and other metal materials: internal diameter 60mm, long 30mm.Insulation thimble 2 is processed by insulating material such as tetrafluoroethylene: internal diameter 80mm, long 100mm.Water inlet pipe 7 is processed by metallic substance: internal diameter 60mm, long 160mm.Discharge injector electrode 13 is processed by corrosion resistant metallic substance such as stainless steels: internal diameter 5mm, wall thickness 2mm, the long 25mm of nozzle.Connect water pipe 14 and process,, connect water pipe 14: long 60mm if adopt one group of injector electrode by corrosion resistant metallic substance such as stainless steels; If adopt two groups of spray group electrodes, above one group connect water pipe 14: long 60mm, below one group connect water pipe 14: long 45mm, water inlet pipe 7 discharges between the injector electrode at two groups, length is 60mm.Tank 10 materials can be processed by materials such as stainless steel or glass: diameter 100mm, high 50mm.Corresponding one group of discharge injector electrode, titanium oxide (TiO
2) film 4: high 80mm, the hanging of plated film band center line and discharge injector electrode; Corresponding two groups of discharge injector electrodes, titanium oxide (TiO
2) film 4: high 110mm, plated film band center line aligns with two groups of discharge injector electrode pipe connecting mid points.
Claims (3)
1. discharging atomizing and catalyzing cooperation water treating method is characterized in that: may further comprise the steps:
1) forms water treating device by discharging atomizing system, treatment chamber and tank;
2) pending water, is atomized under forceful electric power field force and capillary effect from the atomizing ejection of multi-nozzle metal discharge injector electrode, is distributed in as in the exoelectrical reaction spatial ground connection treatment chamber with the form of small droplets;
3) the treatment chamber inwall plates titanium dioxide film, utilizes the transition luminescence of discharge plasma ultraviolet region, excites the activity of titanium oxide, and pending water removes wherein pollutent, gets into tank then;
4) by water pump the water in the tank is delivered to the treatment chamber apical position, warp insulation joint gets into the metal water inlet pipe of the overcoat insulating material sleeve pipe that links to each other with the discharge nozzle, begins new circulation.
2. water treating method according to claim 1 is characterized in that: described step 2) multi-nozzle metal discharge injector electrode is one group or two groups, and every group is six nozzles; Nozzle is parallel with process chamber sidewalls, is evenly distributed on columniform inner treatment chamber space.
3. water treating method according to claim 2 is characterized in that: described step 3) treatment chamber inwall plating titanium dioxide film, TiO 2 coating film with zonal arrangement in the treatment chamber inwall and the corresponding position of injector electrode of discharging; If corresponding one group of discharge injector electrode, the then hanging of plated film band center line and discharge injector electrode; If corresponding two groups of discharge injector electrodes, then plated film band center line aligns with two groups of discharge injector electrode pipe connecting mid points.
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CN200910262104A CN101780999B (en) | 2009-12-17 | 2009-12-17 | Discharging atomizing and catalyzing cooperation water treating method |
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CN200910262104A CN101780999B (en) | 2009-12-17 | 2009-12-17 | Discharging atomizing and catalyzing cooperation water treating method |
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CN101780999A CN101780999A (en) | 2010-07-21 |
CN101780999B true CN101780999B (en) | 2012-10-17 |
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CN200910262104A Expired - Fee Related CN101780999B (en) | 2009-12-17 | 2009-12-17 | Discharging atomizing and catalyzing cooperation water treating method |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103482719B (en) * | 2013-10-22 | 2015-07-01 | 上海海事大学 | Device for treatment of living organisms in ballast water by utilizing pulsed strong light and photocatalysis technology |
CN104445507B (en) * | 2014-12-09 | 2016-08-17 | 上海海事大学 | A kind of ns high voltage pulse discharge plasma works in coordination with titanium dioxide degradable dyeing waste water device and method |
CA2890401C (en) | 2015-01-21 | 2015-11-03 | Vln Advanced Technologies Inc. | Electrodischarge apparatus for generating low-frequency powerful pulsed and cavitating waterjets |
CA2921675C (en) | 2016-02-24 | 2017-12-05 | Vln Advanced Technologies Inc. | Electro-discharge system for neutralizing landmines |
CN108383300A (en) * | 2018-03-13 | 2018-08-10 | 重庆能源职业学院 | A kind of multistage Low Temperature Plasma Treating method of oil-field thick-oil recovered water |
CN108341460A (en) * | 2018-04-21 | 2018-07-31 | 罗璐 | A kind of mixing wastewater with air clarifier and water purification system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998029346A1 (en) * | 1996-12-31 | 1998-07-09 | Uv Technologies, Inc. | Water treatment and purification |
JP2000237771A (en) * | 1999-02-19 | 2000-09-05 | Suzuki Motor Corp | Liquid treatment by catalytic reaction |
CN2587855Y (en) * | 2002-12-26 | 2003-11-26 | 东北师范大学 | Water purifier by water electrode soundless discharging atomizing |
CN1555273A (en) * | 2000-12-07 | 2004-12-15 | ��������ķ������ | Advanced oxidation of dangerous chemical and biological sources |
CN101172740A (en) * | 2007-10-16 | 2008-05-07 | 封华强 | Sanitary sewage photocatalysis and multi- medium advanced treatment system for single family in countryside |
-
2009
- 2009-12-17 CN CN200910262104A patent/CN101780999B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998029346A1 (en) * | 1996-12-31 | 1998-07-09 | Uv Technologies, Inc. | Water treatment and purification |
JP2000237771A (en) * | 1999-02-19 | 2000-09-05 | Suzuki Motor Corp | Liquid treatment by catalytic reaction |
CN1555273A (en) * | 2000-12-07 | 2004-12-15 | ��������ķ������ | Advanced oxidation of dangerous chemical and biological sources |
CN2587855Y (en) * | 2002-12-26 | 2003-11-26 | 东北师范大学 | Water purifier by water electrode soundless discharging atomizing |
CN101172740A (en) * | 2007-10-16 | 2008-05-07 | 封华强 | Sanitary sewage photocatalysis and multi- medium advanced treatment system for single family in countryside |
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