CN208577466U - A kind of purification device of used water difficult to degradate - Google Patents

A kind of purification device of used water difficult to degradate Download PDF

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Publication number
CN208577466U
CN208577466U CN201821267952.XU CN201821267952U CN208577466U CN 208577466 U CN208577466 U CN 208577466U CN 201821267952 U CN201821267952 U CN 201821267952U CN 208577466 U CN208577466 U CN 208577466U
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plasma
earth plate
plate
several
distribution system
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竹涛
金鑫睿
张星
韩伟
韩一伟
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Dingge Environmental Technology Suzhou Co ltd
China University of Mining and Technology Beijing CUMTB
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Dingge Environmental Technology Suzhou Co ltd
China University of Mining and Technology Beijing CUMTB
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Abstract

The utility model discloses a kind of purification devices of used water difficult to degradate, including plasma reactor, water distribution system and outlet conduit;Plasma reactor includes at least one plasma reaction unit, and each plasma reaction unit includes high-field electrode plasma discharge plate and earth plate.Plasma discharge plate and earth plate are separately positioned on the opposite two sides of plasma reactor and face and are arranged in parallel.Water distribution system is arranged in earth plate side.Plasma discharge plate includes the tubulation that several are arranged in an axially parallel mode, several tubulations are horizontal or vertical in plasma discharge plate plane to be evenly arranged.Tubulation selection of casing formula structure, internal is metal material electrode tube and outside is quartz ampoule.The setting of plasma reaction unit is uniformly arranged in plasma reactor when more than two in face in parallel.Water distribution system includes inrush current type and fountain.The utility model have many advantages, such as structure it is simple, can with modularization assembling, easy to operate, purification efficiency is high, without secondary pollution.

Description

A kind of purification device of used water difficult to degradate
Technical field
The utility model relates to a kind of purification devices of used water difficult to degradate, more particularly to one kind to be based on nonequilibrium state plasma Body technique uses the purification device of dielectric barrier discharge mode used water difficult to degradate, belongs to technical field of sewage.
Background technique
With the fast development of China's economic level, a large amount of used water difficult to degradate that the industries such as coal chemical industry, petrochemical industry, printing and dyeing generate are tight Heavily contaminated region environment, is detrimental to health and human living space, and the safe and efficient processing of used water difficult to degradate is by society It can all circles' extensive concern and attention.
For high-concentration hardly-degradable organic matter is contained in waste water, conventional sewage processing technique is difficult to carry out it effectively net Change, non-equilibrium plasma technology can produce a large amount of high energy electrons, hydroxyl radical free radical, ozone etc. under normal temperature and pressure conditions Active particle with strong oxidizing property reacts degradation with Pollutants in Wastewater molecule and generates CO2、H2Other non-toxic or low-toxic property such as O There is many advantages, such as purification efficiency is high, operational management is convenient, low energy consumption to be widely used in sewage for small-molecule substance, the technology Process field.
That there are electrodes is perishable for the plasma reactor of existing sewage purification, service life is short, treatment effeciency is low etc. asks Topic, residual fraction fails the pollutant thoroughly decomposed in treated sewage, or even generates stench gas with foreign flavor, causes to environment Secondary pollution.
Utility model content
The purpose of the utility model is to provide a kind of purification devices of used water difficult to degradate, close by plasma reactor The Optimal improvements of bond structure, have structure it is simple, can with modularization assembling, easy to operate, degradation efficiency is high, low energy consumption, uses The advantages that service life is long, without secondary pollution.
The utility model is achieved by the following technical solution.
A kind of purification device of used water difficult to degradate, described device include plasma reactor, water distribution system and outlet pipe Road;The plasma reactor includes at least one plasma reaction unit, and the plasma reaction unit includes height Piezoelectricity pole, the plasma discharge plate being connected with high-field electrode and earth plate;The plasma discharge plate and the earth plate It is separately positioned on the opposite two sides of the plasma reactor and is arranged in parallel in face;The water distribution system setting connects described Floor side;The water distribution system includes water inlet pipe and inlet passage, and the inlet passage and the plasma reactor are logical Cross connection at the top of the earth plate;The outlet conduit is arranged in the plasma reactor lower part.
In above-mentioned technical proposal, the plasma reaction unit setting is more than two, described two with plasma Reaction member is uniformly arranged in the plasma reactor in parallel in face, and plasma discharge plate on the outermost side and The earth plate is separately positioned on the opposite two sides of the plasma reactor;The inlet passage of the water distribution system is set as The sub- gallery of the water inlet of parallel arrangement, the sub- gallery of water inlet and the plasma reaction unit correspond, and the water inlet Sub- gallery configuration is in the earth plate side of each plasma reaction unit.
In above-mentioned technical proposal, the plasma discharge plate includes the tubulation that several are arranged in an axially parallel mode.
In above-mentioned technical proposal, the tubulation selection of casing formula structure, internal is metal material electrode tube and outside is Quartz ampoule.
In above-mentioned technical proposal, several described tubulations are horizontal or vertical uniform in the plasma discharge plate plane Arrangement.
In above-mentioned technical proposal, several charges for remittance are arranged close to its underpart in plasma reactor in the outlet conduit Mouthful, the charge for remittance mouth is arranged between each adjacent plasma discharge plate and earth plate.
A kind of purification device of used water difficult to degradate, described device include plasma reactor, water distribution system and outlet pipe Road;The plasma reactor includes at least one plasma reaction unit, and the plasma reaction unit includes height Piezoelectricity pole, the plasma discharge plate being connected with high-field electrode and earth plate;The plasma discharge plate and the earth plate It is separately positioned on the opposite two sides of the plasma reactor and is arranged in parallel in face;The water distribution system setting connects described Floor side;The water distribution system includes water inlet pipe and nozzle group, and nozzle group includes several fog-spray nozzles, and described several are sprayed Head setting is uniformly arranged at the top of the earth plate, and along the earth plate length direction;The outlet conduit is arranged described Plasma reactor lower part.
In above-mentioned technical proposal, the plasma reaction unit setting is more than two, described two with plasma Reaction member is uniformly arranged in the plasma reactor in parallel in face, and plasma discharge plate on the outermost side and The earth plate is separately positioned on the opposite two sides of the plasma reactor;The nozzle group of the water distribution system is set as simultaneously Join the several groups of arrangement, and corresponded with the plasma reaction unit, every group of nozzle group includes that several are spraying Head, several described fog-spray nozzles are arranged at the top of the earth plate of each plasma reaction unit, and along the earth plate Length direction is uniformly arranged.
In above-mentioned technical proposal, the plasma discharge plate includes the tubulation that several are arranged in an axially parallel mode.
In above-mentioned technical proposal, the tubulation selection of casing formula structure, internal is metal material electrode tube and outside is Quartz ampoule.
In above-mentioned technical proposal, several described tubulations are horizontal or vertical uniform in the plasma discharge plate plane Arrangement.
In above-mentioned technical proposal, spraying head tilt is arranged towards the earth plate inner wall;The fog-spray nozzle inclination angle is 5 ~35°。
In above-mentioned technical proposal, several charges for remittance are arranged close to its underpart in plasma reactor in the outlet conduit Mouthful, the charge for remittance mouth is arranged between each adjacent plasma discharge plate and earth plate.
The utility model has the advantages that following prominent and effect: apparatus structure is simple, can be with modularization assembling, occupied area It is small, that is, stop to use, have easy to operate, stable, contact area is big, and flow velocity is fast, and treatment effeciency is high, and low energy consumption, without secondary The advantages that pollution.
Detailed description of the invention
Fig. 1 is the purification device signal of the used water difficult to degradate of one of which water distribution embodiment involved in the utility model Figure.
Fig. 2 is two plasma reaction unit arrangement schematic diagrams of water distribution embodiment shown in Fig. 1.
Fig. 3 is the purification device signal of the used water difficult to degradate of another kind water distribution embodiment involved in the utility model Figure.
Fig. 4 is two plasma reaction unit arrangement schematic diagrams of water distribution embodiment shown in Fig. 3.
In figure: 1-plasma reactor;2-high-field electrodes;3-water distribution systems: 4-plasma discharge plates;5― Earth plate;6-tubulations;7-outlet conduits.
Specific embodiment
Specific embodiment of the present utility model and the course of work are further described with reference to the accompanying drawing.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model The restriction enclosed.
A kind of purification device of used water difficult to degradate provided by the utility model, main body are based on nonequilibrium state plasma skill The plasma reactor that art is applied in water treatment field.
As shown in Figures 1 to 4, a kind of purification device of used water difficult to degradate, including plasma reactor 1, water distribution system 3 With outlet conduit 7.Plasma reactor 1 includes at least one plasma reaction unit, each plasma reaction list The plasma discharge plate 4 and earth plate 5 that member includes high-field electrode 2, is connected with high-field electrode 2.
Plasma discharge plate 4 is separately positioned on the opposite two sides of plasma reactor 1 and parallel cloth with earth plate 5 It sets, such as front and back or the left and right sides.Plasma discharge plate 4 and earth plate 5 are arranged in vertical facade.Plasma discharge plate 4 preferably arrange against the side wall surface of plasma reactor 1.And the then wall with 1 opposite side of plasma reactor of earth plate 5 There are water stream channels between face.
Plasma discharge plate 4 includes several axial parallel tubulations 6.6 selection of casing formula structure of tubulation, inside be Metal material electrode tube and outside are quartz ampoule.These tubulations 6 horizontal or vertical uniform cloth in 4 plane of plasma discharge plate It sets.Plasma discharge plate 4 is connect by the electrode tube of tubulation 6 with high-field electrode 2, in plasma discharge plate 4 and earth plate 5 Between formed dielectric impedance power generation.
Water distribution system 3 is arranged in 5 side of earth plate.The side of 1 lower part of plasma reactor is arranged in outlet conduit 7.
Water distribution system 3 includes at least two kinds of embodiments.
As depicted in figs. 1 and 2, wherein Fig. 1 be a plasma reaction unit embodiment, and Fig. 2 be two it is equal from The embodiment of daughter reaction member.Persons skilled in the art are it will be appreciated that more than two plasma reaction units can be equal It is even to be arranged in plasma reactor.Water distribution system 3 includes water inlet pipe and inlet passage, and inlet passage is with earth plate 5 for one The other side of the earth plate 5 far from plasma discharge plate 4 is arranged in side wall surface.Inlet passage and plasma reactor 1 are contour And it is connected to by 5 top of earth plate with plasma reactor 1.Waste water enters inlet passage by water inlet pipe, then gradually on It gushes, plasma reactor 1 is entered by 5 overflow of earth plate, form moisture film or water on 5 surface of earth plate in the process Curtain.When forming dielectric impedance power generation between plasma discharge plate 4 and earth plate 5, moisture film or cascade and plasma are anti- It answers the air in device 1 to be excited and generates plasma, a large amount of high energy electron, hydroxyl radical free radical, ozone etc. have strong oxidizing property Active particle reacted with Pollutants in Wastewater molecule, thus reach degradable organic pollutant purification waste water the effect of.At this time by Enter in waste water from the outside of earth plate 5, therefore outlet conduit 7 can be set in plasma reactor 1 close to earth plate 5 Another side wall surface lower part.When several are arranged in plasma reaction unit, the inlet passage of water distribution system 3 is set as in parallel The sub- gallery of the water inlet of arrangement, intake sub- gallery and plasma reaction unit one-to-one correspondence, and sub- gallery configuration of intaking are each The earth plate side of plasma reaction unit.Correspondingly, outlet conduit 7 is arranged in plasma reactor 1 close to its underpart Several charge for remittance mouths, charge for remittance mouth are arranged between each adjacent plasma discharge plate and earth plate.At this point, plasma It all can be due between discharge electrode two earth plates adjacent thereto or earth plate two plasma discharge plates adjacent thereto Excitation generates plasma, so that in addition to the sub- gallery of outermost water inlet, the influent side of indirect floor may also can shape At reaction zone, to improve purification of waste water efficiency, enhance system purification ability.
Another embodiment is as shown in Figure 3 and Figure 4, and wherein Fig. 3 is the embodiment of a plasma reaction unit, and Fig. 4 is the embodiment of two plasma reaction units.Persons skilled in the art are it will be appreciated that more than two plasmas Reaction member can be uniformly arranged in plasma reactor.Water distribution system 3 includes water inlet pipe and nozzle group, and nozzle group includes Several fog-spray nozzles, several fog-spray nozzles are arranged at 5 top of earth plate, and along 5 length direction of earth plate (i.e. longitudinal direction) Even setting.Spraying head tilt is arranged towards 5 inner wall of earth plate, in the same plasma reaction unit earth plate 5 towards etc. That face of plasma discharge plate 4 is considered as 5 inner wall of earth plate.Fog-spray nozzle tilt angle, i.e. fog-spray nozzle center line and vertical side To angle be 5 ~ 35 °.When only one as shown in Figure 3 plasma reaction unit, at this time fog-spray nozzle according to ejection waste water It is atomized and mainly forms uniform thin water film on 5 inner wall of earth plate to be arranged.When plasma discharge plate 4 and earth plate When forming dielectric impedance power generation between 5, the air in moisture film or cascade and plasma reactor 1, which is excited, generates plasma Body, a large amount of high energy electron, hydroxyl radical free radical, ozone etc. have the active particle of strong oxidizing property and Pollutants in Wastewater molecule anti- It answers, thus the effect of reaching degradable organic pollutant purification waste water.It is each etc. when several plasma reaction units are arranged Gas ions reaction member is all corresponding to be provided with one group of nozzle group, and waste water water is evenly distributed in several groups nozzle group, except most Outside the nozzle group being arranged on the earth plate 5 in outside, the nozzle group on remaining earth plate can also be atomized according to the waste water of ejection And uniform thin water film is formed to be arranged in earth plate two side walls.At this point, the ground connection of two adjacent plasma reaction units Second level plasma reaction unit is constituted between plate 5 and plasma discharge plate 4, that is, plasma discharge plate is adjacent at its Since excitation produces non-equilibrium plasma between two earth plates, in other words, adjacent thereto two etc. of earth plate All since excitation produces non-equilibrium plasma between plasma discharge plate.To be equivalent in earth plate two sidewalls all shapes At reaction zone, system is improved to the treatment and purification ability of waste water.In addition, the presence of electric field also adds the atomization effect of fog-spray nozzle Fruit improves degradation effect equivalent to increase reaction contact area.
For convenient for water outlet, 7 charge for remittance mouth of outlet conduit is arranged in 1 lower part of plasma reactor, and in each plasma Between precursor reactant unit.
In actual application, according to persistent organic pollutants concentration in wastewater flow rate, waste water and its degree difficult to degrade, also It can above-mentioned plasma reactor is in parallel or processing use.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of purification device of used water difficult to degradate, it is characterised in that: described device includes plasma reactor (1), water distribution System (3) and outlet conduit (7);The plasma reactor (1) includes at least one plasma reaction unit, described etc. Gas ions reaction member includes high-field electrode (2), the plasma discharge plate (4) and earth plate that are connected with high-field electrode (2) (5);It is opposite that the plasma discharge plate (4) and the earth plate (5) are separately positioned on the plasma reactor (1) Two sides and in face be arranged in parallel;The water distribution system (3) is arranged in the earth plate (5) side;The water distribution system (3) includes Water inlet pipe and inlet passage, the inlet passage is with the plasma reactor (1) by connecting at the top of the earth plate (5) It is logical;The outlet conduit (7) is arranged in the plasma reactor (1) lower part.
2. a kind of purification device of used water difficult to degradate according to claim 1, it is characterised in that: the plasma reaction Unit setting is more than two, and described two above plasma reaction units are in that be uniformly arranged on the plasma in parallel anti-in face It answers in device (1), and plasma discharge plate on the outermost side (4) and the earth plate (5) are separately positioned on the plasma The opposite two sides of reactor according (1);The inlet passage of the water distribution system (3) is set as the sub- gallery of water inlet of parallel arrangement, institute State and corresponded into water gallery and the plasma reaction unit, and the sub- gallery configuration of the water inlet it is described it is each etc. from The earth plate side of daughter reaction member.
3. a kind of purification device of used water difficult to degradate according to claim 1 or 2, it is characterised in that: the plasma Discharge electrode (4) includes the tubulation (6) that several are arranged in an axially parallel mode;Several described tubulations (6) are in the plasma discharge It is horizontal or vertical in plate (4) plane to be evenly arranged.
4. a kind of purification device of used water difficult to degradate according to claim 3, it is characterised in that: the tubulation (6) is selected Sleeve type structure, internal is metal material electrode tube and outside is quartz ampoule.
5. a kind of purification device of used water difficult to degradate according to claim 2, it is characterised in that: the outlet conduit (7) Several charge for remittance mouths are set close to its underpart in plasma reactor (1), it is adjacent that each is arranged in the charge for remittance mouth Between plasma discharge plate and earth plate.
6. a kind of purification device of used water difficult to degradate, it is characterised in that: described device includes plasma reactor (1), water distribution System (3) and outlet conduit (7);The plasma reactor (1) includes at least one plasma reaction unit, described etc. Gas ions reaction member includes high-field electrode (2), the plasma discharge plate (4) and earth plate that are connected with high-field electrode (2) (5);It is opposite that the plasma discharge plate (4) and the earth plate (5) are separately positioned on the plasma reactor (1) Two sides and in face be arranged in parallel;The water distribution system (3) is arranged in the earth plate (5) side;The water distribution system (3) includes Water inlet pipe and nozzle group, nozzle group include several fog-spray nozzles, several fog-spray nozzles setting is pushed up in the earth plate (5) Portion, and be uniformly arranged along the earth plate (5) length direction;The outlet conduit (7) is arranged in the plasma reactor (1) lower part.
7. a kind of purification device of used water difficult to degradate according to claim 6, it is characterised in that: the plasma reaction Unit setting is more than two, and described two above plasma reaction units are in that be uniformly arranged on the plasma in parallel anti-in face It answers in device (1), and plasma discharge plate on the outermost side (4) and the earth plate (5) are separately positioned on the plasma The opposite two sides of reactor according (1);The nozzle group of the water distribution system (3) be set as parallel arrangement several groups, and with it is described Plasma reaction unit corresponds, and every group of nozzle group includes several fog-spray nozzles, several fog-spray nozzles setting At the top of the earth plate (5) of each plasma reaction unit, and it is uniformly arranged along the earth plate (5) length direction.
8. a kind of purification device of used water difficult to degradate according to claim 6 or 7, it is characterised in that: the plasma Discharge electrode (4) includes the tubulation (6) that several are arranged in an axially parallel mode;Several described tubulations (6) are in the plasma discharge It is horizontal or vertical in plate (4) plane to be evenly arranged;Tubulation (6) the selection of casing formula structure, internal is metal material electrode Pipe and outside are quartz ampoule.
9. a kind of purification device of used water difficult to degradate according to claim 6 or 7, it is characterised in that: the fog-spray nozzle inclines Tiltedly it is arranged towards the earth plate (5) inner wall;The inclination angle of the fog-spray nozzle is 5 ~ 35 °.
10. a kind of purification device of used water difficult to degradate according to claim 7, it is characterised in that: the outlet conduit (7) Several charge for remittance mouths are set close to its underpart in plasma reactor (1), it is adjacent that each is arranged in the charge for remittance mouth Between plasma discharge plate and earth plate.
CN201821267952.XU 2018-08-08 2018-08-08 A kind of purification device of used water difficult to degradate Active CN208577466U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108675388A (en) * 2018-08-08 2018-10-19 中国矿业大学(北京) A kind of purifier and purification method of used water difficult to degradate
CN113428932A (en) * 2021-07-22 2021-09-24 重庆大学 High degradation rate atomizing formula plasma water purification installation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108675388A (en) * 2018-08-08 2018-10-19 中国矿业大学(北京) A kind of purifier and purification method of used water difficult to degradate
CN113428932A (en) * 2021-07-22 2021-09-24 重庆大学 High degradation rate atomizing formula plasma water purification installation

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