CN206692483U - A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant - Google Patents
A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant Download PDFInfo
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- CN206692483U CN206692483U CN201720368589.XU CN201720368589U CN206692483U CN 206692483 U CN206692483 U CN 206692483U CN 201720368589 U CN201720368589 U CN 201720368589U CN 206692483 U CN206692483 U CN 206692483U
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- overflow launder
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- Oxygen, Ozone, And Oxides In General (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a kind of water electrode falling liquid film discharge plasma composite ozone aeration secondary oxidation sewage-treatment plant, the device includes reactor and ozonation aerated pond, described reactor includes high voltage electrode bar and grounding electrode and the interior medium tube being set-located and outer medium tube, overflow launder is arranged with the outer wall more than exhaust tube of the outer medium tube, described high voltage electrode bar is embedded in described interior medium tube, in the described overflow launder of described grounding electrode insertion.The device takes full advantage of ozone caused by discharge plasma, in water treatment field, has the advantages that efficient stable performance, non-secondary pollution, speed are fast, simple in construction, practical, has preferable application prospect.
Description
Technical field
The sewage-treatment plant in field of Environment Protection is the utility model is related to, belongs to the application technology neck of low temperature plasma
Domain, and in particular to be aerated secondary oxidation sewage-treatment plant to a kind of water electrode falling liquid film discharge plasma composite ozone.
Background technology
With rapid development of economy and the acceleration of urbanization process, the water environment pollution problem that China is on the rise is increasingly
Highlight so that the shortage of water resources situation that we face becomes more acute.Therefore, it is necessary to which efficient sewage disposal technology delays
Solve this problem.
Plasma sewage treating apparatus is the device of a kind of emerging sanitary sewage disposal and disinfection technology, passes through high energy
The plasma electric of amount is struck waters body, makes to produce substantial amounts of Strong oxdiative particulate in water body, such as hydroxyl radical free radical can be to having in water
Machine thing carries out advanced oxidation reaction, and plus other active oxidation materials, organic matter that can be in more rapid decomposition water has more
Strong antibacterial, disinfective action.
But all there is complicated, treatment effect is low etc. in corona treatment sewage device on the market.Therefore,
The utility model devises a kind of water falling liquid film dielectric barrier discharge plasma processing sewage device, by sewage in a manner of wall stream
Flow into plasma area, increase the contact area of sewage and plasma, so as to reach the purpose for improving treatment effeciency, this for
Application of the plasma in terms of sewage disposal has very big practical significance.
The content of the invention
The purpose of this utility model is, the problem of presence for prior art, there is provided a kind of water electrode falling liquid film electric discharge etc.
Gas ions composite ozone is aerated secondary oxidation sewage-treatment plant, and earthing pole is placed in the overflow launder for filling waste water by the device,
So that waste water that can be conductive in groove turns into earthing pole.Because ionization process can produce substantial amounts of heat, tank is coated on electric discharge
Outside region, cooling can be played a part of.The gas of region of discharge is introduced into water by the device on the basis of liquid-vapor interface electric discharge,
Make full use of O caused by discharge process3, the treatment effeciency of discharge plasma is improved, while reduce O3Secondary pollution.The device
Using double-dielectric barrier discharge, liquid has stable performance, effect is good, runs the advantages that simple, tool along water falling liquid film uniform flow
There is good application prospect.
The purpose of this utility model is achieved through the following technical solutions：
A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant, and the device includes
Reactor and ozonation aerated pond, described reactor include high voltage electrode bar and grounding electrode and the interior medium being set-located
Pipe and outer medium tube, the lower end closed of the interior medium tube and have a segment distance, institute between the bottom of the outer medium tube
The ttom of pipe closing and bottom for stating outer medium tube are respectively equipped with outlet pipe and exhaust tube, more than the exhaust tube of the outer medium tube outer
Overflow launder, the upper end closed of the overflow launder are arranged with wall；Described outlet pipe connection is located on the ozonation aerated pond
Water inlet, the connection of described exhaust tube are located at the aeration tube in the ozonation aerated pond, are additionally provided with described ozonation aerated pond
Recycling effluent pipe, the connection of described recycling effluent pipe are located at the overflow launder water inlet pipe on the overflow launder, described high-field electrode
Rod is embedded in described interior medium tube, in the described overflow launder of described grounding electrode insertion.
The upper end closed of the overflow launder and top is provided with air inlet pipe.
The upper end closed of the overflow launder and top are provided with the aperture for medium tube in intercalation, the interior medium tube between two parties
Top intercalation in described aperture.
Described ozonation aerated pond is provided with aeration tank outlet pipe.
Described exhaust tube connects described aeration tube by bubbling air pump.
Described recycling effluent pipe connects described overflow launder water inlet pipe by liquid circulation pump.
Filter screen is provided with the notch of the overflow launder.
The bottom of the overflow launder and the bottom of the interior medium tube are generally aligned in the same plane.
Described grounding electrode is metal socket, turn or metal bar；Described high voltage electrode bar is metal bar.
Described grounding electrode connection earthing pole, described high voltage electrode bar connection plasma electrical source, described grade from
Daughter power supply is high frequency and high voltage power supply or high-voltage pulse power source.
Flow direction of the waste water in described reactor is followed successively by overflow launder, the water between outer medium tube and interior medium tube
Falling liquid film region of discharge and lower header, described lower header are the outer medium tube position below overflow launder.Utility model works
Principle：Pending waste water is delivered to reactor overflow groove and by the filtering of filter screen, liquid is along outer medium inside pipe wall uniform flow
Water falling liquid film region of discharge is crossed, and grounding electrode is placed in the overflow launder for filling waste water by device, so that waste water that can be conductive in groove
As earthing pole, water falling liquid film region of discharge is cooperatively formed with the high-field electrode of interior medium tube parcel, realizes the degraded to waste water.Together
When, overflow launder is wrapped in outside electric discharge heat release zone, is cooled.The active gases of region of discharge is taken out by bubbling air pump
Realize that ozone efficiently utilizes to ozonation aerated pond, the liquid after processing is discharged by aeration tank outlet pipe.And some ozone
Aeration tank water outlet carries out reuse, the reaction time of increase processing waste water.
The ozone in the ozonation aerated pond produces from electrion.
The beneficial effects of the utility model are embodied in：
(1) plasma technology, which is used for water process, has processing efficiently rapid, and good sewage processing effect, disinfection force is strong, does not produce
The features such as raw any secondary pollution.
(2) double-dielectric barrier discharge is used, effectively protects electrode；
(3) the water falling liquid film formed makes waste water be uniformly distributed in outer medium tube inwall, is advantageous to waste water and is sufficiently exposed to discharge
Area, increase and the contact area of plasma, improve degradation efficiency；
(4) electrode bar for grounding is placed in waste water outflow groove, adds region of discharge, pass through the means of direct ionization waste water
Enhance treatment effect.
(5) overflow groove height maintains an equal level with two electrode bars, is wrapped in equivalent to waste water outside electric discharge heat producing regions, has cooling drop
The effect of temperature.
(6) one layer of filter screen is placed in overflow launder notch, there is filtering.
(7) by the way that the active gases of region of discharge is introduced into waste water, O caused by discharge process is made full use of3, improve electric discharge etc.
The efficiency of gas ions, while reduce O3Secondary pollution；
(8) by extracting the active gases of region of discharge out, make the gas steady flow of region of discharge, pressure stability, be advantageous to
Even electric discharge；
(9) liquid circulation pump is set up, interior backflow effect is played, increases retention time of sewage；
(10) the utility model has stable, simple in construction, and convenient management, safe and efficient, non-secondary pollution etc. is excellent
Point, there is higher application prospect in water treatment field.
Brief description of the drawings
Fig. 1 is the structural representation that water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant
Figure.
Wherein, 1-high frequency and high voltage power supply, 2-high voltage electrode bar, 3-earthing pole, 4-overflow launder, 5-lower header,
6-water falling liquid film region of discharge, 7-outer medium tube, 8-interior medium tube, 9-outlet pipe, 10-water inlet, 11-exhaust tube, 12-
Aeration tube, 13-bubbling air pump, 14-ozonation aerated pond, 15- recycling effluent pipes, 16-liquid circulation pump, 17-overflow launder enter
Water pipe, 18-aeration tank outlet pipe, 19-air inlet pipe, 20-filter screen, 21-grounding electrode.
Embodiment
During using a kind of above-mentioned multistage gallery type electricity fenton sewage processing unit processing waste water, specifically used process：It will treat
Processing waste water is delivered to reactor overflow groove 4 by water inlet pipe 17, when liquid level exceedes the height of outer medium tube 7, passes through
The filtering of filter screen 20, inwall uniform flow of the liquid along outer medium tube 7, open plasma power supply 1, positioned at high-field electrode 2
Water falling liquid film region of discharge 6 between earthing pole 3 carries out dielectric barrier discharge, produces low temperature plasma and the waste water of reative cell is entered
Row processing.Inwall uniform flow of the liquid along outer medium tube 7, comes together in lower header 5, and the liquid in lower header 5 passes through lower header
Delivery port 9 flows into ozonation aerated pond water inlet 10.Meanwhile by bubbling air pump 13 by the active gases of region of discharge by lower header
The exhaust tube 11 in portion is extracted out, is aerated by being aerated air inlet pipe 12 in ozonation aerated pond 14, the liquid after processing is by going out
Water pipe 18 is discharged, and recirculation water is back to overflow launder water inlet by ozonation aerated pond recycling effluent mouth 15 through liquid circulation pump 16
17, increase reaction time.
As shown in figure 1, a kind of water electrode falling liquid film discharge plasma composite ozone aeration secondary oxidation sewage-treatment plant,
The device includes reactor and ozonation aerated pond 14, and described reactor includes high voltage electrode bar 2 and grounding electrode 21 and set
Be located at interior medium tube 8 and outer medium tube 7 together, the lower end closed of the interior medium tube 8 and with the bottom of the outer medium tube 7
Between there is a segment distance, the bottom of the overflow launder 4 and the bottom of the interior medium tube 8 are generally aligned in the same plane；Outer Jie
The ttom of pipe of matter pipe 7 is closed and bottom is respectively equipped with outlet pipe 9 and exhaust tube 11, the exhaust tube more than 11 of the outer medium tube 7
Overflow launder 4, the upper end closed of the overflow launder 4 are arranged with outer wall；The described connection of outlet pipe 9 is located at the ozonation aerated pond
Water inlet 10 on 14, described exhaust tube 11 connect the aeration tube being located in the ozonation aerated pond 14 by bubbling air pump 13
12, recycling effluent pipe 15 is additionally provided with described ozonation aerated pond 14, and described recycling effluent pipe 15 passes through liquid circulation pump 16
Connection is located at the overflow launder water inlet pipe 17 on the overflow launder 4, and described high voltage electrode bar 2 is embedded in described interior medium tube 8
In, described grounding electrode 21 is inserted in described overflow launder 4.Filter screen 20 is provided with the notch of the overflow launder 4.
The upper end closed of the overflow launder 4 and top are provided with the aperture for medium tube in intercalation 8, the interior medium between two parties
In described aperture, the top side of the overflow launder 4 offers air inlet pipe for the top intercalation of pipe 8.
Aeration tank outlet pipe 18 is additionally provided with described ozonation aerated pond 14.
Described grounding electrode 21 and high voltage electrode bar 2 are metal bar.Described grounding electrode 21 connects earthing pole 3, institute
The high voltage electrode bar 2 stated connects plasma electrical source, and described plasma electrical source is high frequency and high voltage power supply 1 or high-tension pulse
Rush power supply.
Flow direction of the waste water in described reactor is followed successively by overflow launder 4, between outer medium tube 7 and interior medium tube 8
Water falling liquid film region of discharge 6 and lower header 5, described lower header 5 is outer medium tube position below overflow launder.This practicality is new
Type operation principle：Pending waste water is delivered to reactor overflow groove 4 and by the filtering of filter screen 20, liquid is along outer medium tube 7
Inwall flows uniformly through water falling liquid film region of discharge 6, and grounding electrode 21 is placed in the overflow launder 4 for filling waste water by device, so that groove
Middle waste water that can be conductive turns into earthing pole, and water falling liquid film region of discharge 6 is cooperatively formed with the high voltage electrode bar 2 of interior medium tube 8 parcel, real
Now to the degraded of waste water.Meanwhile overflow launder 4 is wrapped in outside electric discharge heat release zone, is cooled.Pass through bubbling air pump 13
The active gases of region of discharge is extracted into ozonation aerated pond 14 and realizes that ozone efficiently utilizes, the liquid after processing passes through aeration tank water outlet
Pipe 18 is discharged.And some ozonation aerated water outlet of pond 14 carries out reuse, the reaction time of increase processing waste water.
Claims (9)
1. a kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant, it is characterised in that：
The device includes reactor and ozonation aerated pond, and described reactor includes high voltage electrode bar and grounding electrode and is set in one
Rise interior medium tube and outer medium tube, the lower end closed of the interior medium tube and between the bottom of the outer medium tube have one
Segment distance, the ttom of pipe of the outer medium tube is closed and bottom is respectively equipped with outlet pipe and exhaust tube, the pumping of the outer medium tube
Overflow launder, the upper end closed of the overflow launder are arranged with outer wall more than pipe；Described outlet pipe connection is located at the ozone
Water inlet on aeration tank, the connection of described exhaust tube are located at the aeration tube in the ozonation aerated pond, and described is ozonation aerated
Recycling effluent pipe is additionally provided with pond, the connection of described recycling effluent pipe is located at the overflow launder water inlet pipe on the overflow launder, described
High voltage electrode bar be embedded in described interior medium tube, in the described overflow launder of described grounding electrode insertion.
2. device according to claim 1, it is characterised in that：The upper end closed of the overflow launder and top is provided with air inlet
Pipe.
3. device according to claim 1, it is characterised in that：Described ozonation aerated pond is provided with aeration tank outlet pipe.
4. device according to claim 1, it is characterised in that：Described exhaust tube connects described exposure by bubbling air pump
Tracheae.
5. device according to claim 1, it is characterised in that：Described recycling effluent pipe connects institute by liquid circulation pump
The overflow launder water inlet pipe stated.
6. device according to claim 1, it is characterised in that：The upper end closed of the overflow launder and top is provided with use between two parties
In the aperture of medium tube in intercalation, the top intercalation of the interior medium tube is in described aperture.
7. device according to claim 1, it is characterised in that：Filter screen is provided with the notch of the overflow launder.
8. device according to claim 1, it is characterised in that：The bottom of the overflow launder and the bottom of the interior medium tube
It is generally aligned in the same plane.
9. device according to claim 1, it is characterised in that：Described grounding electrode is metal socket, turn
Or metal bar；Described high voltage electrode bar is metal bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368589.XU CN206692483U (en) | 2017-04-10 | 2017-04-10 | A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368589.XU CN206692483U (en) | 2017-04-10 | 2017-04-10 | A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant |
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| Publication Number | Publication Date |
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| CN206692483U true CN206692483U (en) | 2017-12-01 |
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| CN201720368589.XU Expired - Fee Related CN206692483U (en) | 2017-04-10 | 2017-04-10 | A kind of water electrode falling liquid film discharge plasma composite ozone is aerated secondary oxidation sewage-treatment plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107512758A (en) * | 2017-09-04 | 2017-12-26 | 南京大学 | A kind of water curtain type discharge plasma efficient process organic wastewater device |
| CN109942059A (en) * | 2019-04-03 | 2019-06-28 | 大连理工大学 | A kind of falling liquid film device for treating aqueous discharge plasma that water distribution is integrated with catalysis |
| CN110092448A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of concentric circles bipolar electrode discharge plasma O/W emulsion breaking device |
| CN115448411A (en) * | 2022-09-15 | 2022-12-09 | 安徽久吾天虹环保科技有限公司 | Water body purification low-temperature plasma generating device and application method |
-
2017
- 2017-04-10 CN CN201720368589.XU patent/CN206692483U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107512758A (en) * | 2017-09-04 | 2017-12-26 | 南京大学 | A kind of water curtain type discharge plasma efficient process organic wastewater device |
| CN109942059A (en) * | 2019-04-03 | 2019-06-28 | 大连理工大学 | A kind of falling liquid film device for treating aqueous discharge plasma that water distribution is integrated with catalysis |
| CN110092448A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of concentric circles bipolar electrode discharge plasma O/W emulsion breaking device |
| CN110092448B (en) * | 2019-05-06 | 2021-12-17 | 重庆工商大学 | Concentric circle double-electrode discharge plasma O/W emulsion breaking device |
| CN115448411A (en) * | 2022-09-15 | 2022-12-09 | 安徽久吾天虹环保科技有限公司 | Water body purification low-temperature plasma generating device and application method |
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