CN103274502A - High-voltage pulse gas-liquid mixing plasma discharge algae-removing device and using method thereof - Google Patents
High-voltage pulse gas-liquid mixing plasma discharge algae-removing device and using method thereof Download PDFInfo
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- CN103274502A CN103274502A CN2013101792272A CN201310179227A CN103274502A CN 103274502 A CN103274502 A CN 103274502A CN 2013101792272 A CN2013101792272 A CN 2013101792272A CN 201310179227 A CN201310179227 A CN 201310179227A CN 103274502 A CN103274502 A CN 103274502A
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Abstract
The invention discloses a high-voltage pulse gas-liquid mixing plasma discharge algae-removing device comprising a reaction chamber, a high-voltage end electrode, a grounding electrode and a high-voltage pulse power supply, wherein the high-voltage end electrode and the grounding electrode are electrically connected with the high-voltage pulse power supply respectively. The high-voltage pulse gas-liquid mixing plasma discharge algae-removing device is characterized in that the high-voltage end electrode consists of a plurality of needle tubes; the needle tubes penetrate through the bottom of the reaction chamber; the inlet ends of the needle tubes are connected with an oxygen-containing gas source through a gas guide tube; the grounding electrode over the outlet ends of the needle tubes is a metal disc; the distance between the metal disc and the outlet ends of the needle tubes is 0.5-5 cm; and the metal disc is connected to the top cover of the reaction chamber through a metal rod. Liquid to be treated is added into the reaction chamber, the high-voltage pulse power supply is started, discharge treatment is preformed for 20-60 minutes, and the oxygen-containing gas enters the reaction chamber through the needle tubes at the flow velocity of 1 to 8 liters/minute during discharge treatment, so that the inactivation ratio of algae can reach over 95 percent, and the high-voltage pulse gas-liquid mixing plasma discharge algae-removing device has the advantages of convenience for use, no need of adding chemical agents, no secondary pollution and the like.
Description
Technical field
The invention belongs to pulsed plasma discharge technology field, be specifically related to a kind of high-voltage pulse gas-liquid mixed plasma discharge algae removal device and using method thereof.
Background technology
The existing method of killing algae in the liquid phase (as water body) is to add chemical agent in liquid phase mostly, is easy to generate secondary pollution, complex disposal process and expense height yet add chemical agent.
Summary of the invention
The defective that the objective of the invention is to solve existing algae removal method use chemical agent and cause secondary pollution provides a kind of high-voltage pulse gas-liquid mixed plasma discharge algae removal device and using method thereof that need not to use chemical agent.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is as follows:
A kind of high-voltage pulse gas-liquid mixed plasma discharge algae removal device comprises reaction chamber, high-pressure side electrode, ground-electrode and high-voltage pulse power source, and high-pressure side electrode and ground-electrode are electrically connected with high-voltage pulse power source respectively; The high-pressure side electrode is made up of some needle tubings, and needle tubing penetrates the bottom of reaction chamber, and the inlet end of needle tubing is connected with oxygenous body source by airway; The ground-electrode that is in directly over the needle tubing exit end is a rosette, and the spacing of rosette and needle tubing exit end is 0.5～5cm, and rosette is connected to the top cover of reaction chamber by Metallic rod.
Further, voltage range 1.5～40,000 of described high-voltage pulse power source volt, 40～200 hertz of pulse-repetitioies.
Further, described oxygen-containing gas is air, perhaps the mixed gas of oxygen and inert carrier gas.
Further, described inert carrier gas is nitrogen, argon gas or helium.
Further, Metallic rod is threaded with being connected to of top cover of reaction chamber.
Further, the lower part at described reaction chamber is provided with constant temperature sleeve.
Adopt said apparatus to carry out the method for algae removal, pending liquid is joined in the reaction chamber, open high-voltage pulse power source, discharge process 20～60 minutes, oxygen-containing gas enters reaction chamber with 1～8 liter/minute flow velocity by needle tubing during discharge process.
Beneficial effect: pulsed discharge plasma technology (Pulsed Discharge Plasma, PDP) have operational condition simple (can carry out under the normal temperature and pressure), non-selectivity oxidation, no chemical agent adds and advantage such as non-secondary pollution.The present invention adopts high pressure pulse discharge, make oxygen and water generates OH, O,
1O
2, HO
2, H
2O
2, O
3Etc. materialization phenomenons such as various active thing and UV radiation, ultrasonic cavitations, complicated plasma body materialization reaction takes place, destroy frustule structure and growing environment, realization is killed frustule, therefore need not additional oxidizer, also need not outer increasing temperature and wait other assist measure, can be applicable to handle many-sides such as difficult degradation poisonous and harmful trade effluent, sterilization and disinfection.
Description of drawings
Fig. 1 is high-voltage pulse gas-liquid mixed plasma discharge algae removal device of the present invention, wherein, and 1-reaction chamber, 2-high-pressure side electrode, 3-ground-electrode, 4-airway, 5-Metallic rod, 6-needle tubing, 7-top cover, 8-constant temperature sleeve, 9-bearing.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details.
High-voltage pulse gas-liquid mixed plasma discharge algae removal device of the present invention as shown in Figure 1, this device comprises reaction chamber 1, high-pressure side electrode 2, ground-electrode 3 and high-voltage pulse power source (among the figure omit draw).Reaction chamber is made by glass, and the upper end is opening, has top cover 7, and the homo(io)thermism of liquid when keeping algae removal is provided with constant temperature sleeve 8 in lower part of reaction chamber, and logical ring follows water in constant temperature sleeve.Voltage range 1.5～40,000 of high-voltage pulse power source volt, 40～200 hertz of pulse-repetitioies.The high-pressure side electrode is made up of some needle tubings 6, the diameter of needle tubing (stainless steel) is 1 millimeter, needle tubing penetrates the bottom of reaction chamber, make the inlet end of needle tubing outside reaction chamber, the exit end of needle tubing is in reaction chamber, and the inlet end of needle tubing is connected with oxygenous body source by airway 4, and oxygen-containing gas is air, the perhaps mixed gas of oxygen and inert carrier gas, inert carrier gas can be nitrogen, argon gas or helium.Ground-electrode is in directly over the needle tubing exit end, ground-electrode is the rosette of 6～8 centimetres of diameters, the spacing of rosette and needle tubing exit end is 0.5～5cm, the another side of rosette is connected to the top cover of reaction chamber by Metallic rod 5, in order to regulate the spacing of ground-electrode and needle tubing, adopt screw thread to be connected between the top cover of Metallic rod and reaction chamber.With lead high-pressure side electrode and ground-electrode are connected respectively on the high-voltage pulse power source.Metal products among the present invention can adopt common conducting metal to make, as iron, copper etc.
Use said apparatus to carry out the method for algae removal: pending liquid is joined in the reaction chamber, build top cover, regulate distance to the 0.5～5cm between ground-electrode and the needle tubing, with air pump air is sent into reaction chamber with 1～8 liter/minute flow velocity by the needle tubing of reaction chamber bottom earlier, the add-on of pending liquid should be flooded ground-electrode again, opens high-voltage pulse power source, 30,000 volts of setting pulse crest voltages, 80 hertz of pulse-repetitioies were handled 30 minutes.The algae inactivation ratio reaches more than 95% after 3 days.
Claims (7)
1. high-voltage pulse gas-liquid mixed plasma discharge algae removal device, comprise reaction chamber, high-pressure side electrode, ground-electrode and high-voltage pulse power source, high-pressure side electrode and ground-electrode are electrically connected with high-voltage pulse power source respectively, it is characterized in that: the high-pressure side electrode is made up of some needle tubings, needle tubing penetrates the bottom of reaction chamber, and the inlet end of needle tubing is connected with oxygenous body source by airway; The ground-electrode that is in directly over the needle tubing exit end is a rosette, and the spacing of rosette and needle tubing exit end is 0.5～5cm, and rosette is connected to the top cover of reaction chamber by Metallic rod.
2. high-voltage pulse gas-liquid mixed plasma discharge algae removal device according to claim 1 is characterized in that: voltage range 1.5～40,000 of described high-voltage pulse power source volt, 40～200 hertz of pulse-repetitioies.
3. high-voltage pulse gas-liquid mixed plasma discharge algae removal device according to claim 1, it is characterized in that: described oxygen-containing gas is air, perhaps the mixed gas of oxygen and inert carrier gas.
4. high-voltage pulse gas-liquid mixed plasma discharge algae removal device according to claim 3, it is characterized in that: described inert carrier gas is nitrogen, argon gas or helium.
5. high-voltage pulse gas-liquid mixed plasma discharge algae removal device according to claim 1, it is characterized in that: Metallic rod is threaded with being connected to of top cover of reaction chamber.
6. high-voltage pulse gas-liquid mixed plasma discharge algae removal device according to claim 1, it is characterized in that: the lower part at described reaction chamber is provided with constant temperature sleeve.
7. adopt the described high-voltage pulse gas-liquid mixed of claim 1 plasma discharge algae removal device to carry out the method for algae removal, it is characterized in that: pending liquid is joined in the reaction chamber, open high-voltage pulse power source, discharge process 20～60 minutes, oxygen-containing gas enters reaction chamber with 1～8 liter/minute flow velocity by needle tubing during discharge process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101792272A CN103274502A (en) | 2013-05-15 | 2013-05-15 | High-voltage pulse gas-liquid mixing plasma discharge algae-removing device and using method thereof |
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| CN2013101792272A CN103274502A (en) | 2013-05-15 | 2013-05-15 | High-voltage pulse gas-liquid mixing plasma discharge algae-removing device and using method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667050A (en) * | 2013-12-03 | 2014-03-26 | 青岛天人环境股份有限公司 | Biological raw material high-pressure wall breaking apparatus |
| CN104925915A (en) * | 2014-03-20 | 2015-09-23 | 黄海成 | Generation method of ecological water |
| CN108112152A (en) * | 2017-12-20 | 2018-06-01 | 国网陕西省电力公司电力科学研究院 | Volume discharge generation device and its method in a kind of temperature control water |
| CN108617069A (en) * | 2018-05-03 | 2018-10-02 | 大连民族大学 | A kind of embedded plasma-activated water preparation apparatus of electrode |
| CN109336229A (en) * | 2018-12-07 | 2019-02-15 | 扬州大学 | A method of algae removal is carried out for the high-voltage pulse algae removal device in winter water body lower layer and bed mud |
| CN109640502A (en) * | 2018-12-19 | 2019-04-16 | 国网青海省电力公司电力科学研究院 | A kind of discharge in water spininess-net electrode structure |
| CN111637533A (en) * | 2020-05-12 | 2020-09-08 | 西安交通大学 | Plasma air disinfection device for closed single-body indoor and central air-conditioning pipeline |
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| EP0675081A2 (en) * | 1994-03-30 | 1995-10-04 | Nogsys Technology, Inc. | Apparatus and method for purification of water |
| CN100446849C (en) * | 2006-11-01 | 2008-12-31 | 浙江大学 | Synchronous gas-liquid purifying high voltage DC/pulse discharge method and device |
| CN201746368U (en) * | 2009-12-29 | 2011-02-16 | 浙江大学 | Pulse plasma device for safe disinfection of drinking water |
-
2013
- 2013-05-15 CN CN2013101792272A patent/CN103274502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675081A2 (en) * | 1994-03-30 | 1995-10-04 | Nogsys Technology, Inc. | Apparatus and method for purification of water |
| CN100446849C (en) * | 2006-11-01 | 2008-12-31 | 浙江大学 | Synchronous gas-liquid purifying high voltage DC/pulse discharge method and device |
| CN201746368U (en) * | 2009-12-29 | 2011-02-16 | 浙江大学 | Pulse plasma device for safe disinfection of drinking water |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667050A (en) * | 2013-12-03 | 2014-03-26 | 青岛天人环境股份有限公司 | Biological raw material high-pressure wall breaking apparatus |
| CN104925915A (en) * | 2014-03-20 | 2015-09-23 | 黄海成 | Generation method of ecological water |
| CN108112152A (en) * | 2017-12-20 | 2018-06-01 | 国网陕西省电力公司电力科学研究院 | Volume discharge generation device and its method in a kind of temperature control water |
| CN108617069A (en) * | 2018-05-03 | 2018-10-02 | 大连民族大学 | A kind of embedded plasma-activated water preparation apparatus of electrode |
| CN109336229A (en) * | 2018-12-07 | 2019-02-15 | 扬州大学 | A method of algae removal is carried out for the high-voltage pulse algae removal device in winter water body lower layer and bed mud |
| CN109640502A (en) * | 2018-12-19 | 2019-04-16 | 国网青海省电力公司电力科学研究院 | A kind of discharge in water spininess-net electrode structure |
| CN111637533A (en) * | 2020-05-12 | 2020-09-08 | 西安交通大学 | Plasma air disinfection device for closed single-body indoor and central air-conditioning pipeline |
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Application publication date: 20130904 |