CN105948346B - A kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma - Google Patents
A kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma Download PDFInfo
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- CN105948346B CN105948346B CN201610436469.9A CN201610436469A CN105948346B CN 105948346 B CN105948346 B CN 105948346B CN 201610436469 A CN201610436469 A CN 201610436469A CN 105948346 B CN105948346 B CN 105948346B
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- plasma
- reaction vessel
- tubulose
- sloping plate
- sewage treatment
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/305—Treatment of water, waste water, or sewage by irradiation with electrons
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
Abstract
The present invention discloses a kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma, it includes tubulose reaction vessel for plasma, tubular sloping plate deposition container and the high-field electrode and grounding electrode that are separately connected power positive cathode, the tubulose reaction vessel for plasma is set in the tubular sloping plate deposition container, inclined plate is set in the annular region between the tubular sloping plate deposition container and tubulose reaction vessel for plasma and forms sloping plate deposition district, the lower section of the sloping plate deposition district is equipped with sludge bucket；In the high-field electrode insertion tubulose reaction vessel for plasma.The device of the invention has many advantages, such as that utilization rate is high, continuity is strong, economic and environment-friendly and stable, it is especially more significant to the treatment effect of easy flocculated high-concentration hardly-degradable waste water, with considerable potential application foreground, it is expected to widely be promoted and used in water pollution treatment process from now on.
Description
Technical field
The invention belongs to the applied technical fields of low temperature plasma, and in particular to arrive a kind of compound syringe of inclined-plate clarifying basin
The toxic organic sewage treatment device of formula plasma.
Background technique
With the fast development of modern industrial and agricultural production, the organic pollutant of the associations such as pesticide, chemical fertilizer and industrial waste is (such as
PAHs, PCBs, aromatic nitro compound etc.) constantly enter in environment.These organic micro-pollutants are often with there is " three cause " effect
With high bioaccumulation, their diffusion not only pollutes the environment, destroys the ecological balance, but also can pass through food chain approach
It is detrimental to health, therefore the Treatment process for developing organic pollutant has become one of urgent task of environmentalist.
Inclined-plate clarifying basin is grown up on the basis of shallow pool theory, has table compared with traditional horizontal sedimentation tank
The advantages that face load is high, removal rate is high, the residence time is short, occupied area is small.It is widely used in sewage treatment, and receives
The good effect arrived.Have become the main device of coagulating sedimentation in sewage treatment at present.
Plasma technique is a kind of high-level oxidation technology in the more forward position occurred in recent years, and is applied to ring first
During border is administered.It is with a variety of effects such as ozone oxidation, ultraviolet degradation, free-radical oxidation, pyrolysis and high energy electron irradiation
Be integrated, can effectively remove the various pollutants in waste water, electric discharge is the main method that low temperature plasma generates, electric discharge etc. from
Oxidizing extremely strong OH, H, O, O in daughter3Isoreactivity particle, and along with high-temperature oxydation, ultraviolet radioactive, impact
The effects such as wave, organic matter will finally be degraded to CO under the action of these comprehensive effects2、H2O or other organic substances.With place
The advantages that reason period is short, high-efficient, without secondary pollution, applied widely.It is gradually applied to water environment pollution at present
In process field, but at present plasma technique still have some shortcomings, such as it is inefficient, processing cost it is relatively high and
The ways and means specific aim of degradation effect is not strong etc..
It can be seen that find it is a kind of efficiently, it is simple, avoid the sewage-treatment plant of secondary pollution or method very necessary.
Summary of the invention
The purpose of the present invention is on the basis of existing technology, provide a kind of inclined-plate clarifying basin compound needle barrel plasma
Toxic organic sewage treatment device.Present apparatus design is simple, investment is low, occupied area is small, high treating effect, reaction efficiency are high,
The advantages that without secondary pollution, collection mud-water separation and corona treatment combine, can be applied to organic polluting water field
Continuous circular treatment.
The purpose of the present invention is achieved through the following technical solutions:
A kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma, it includes tubulose plasma
Precursor reactant container, tubular sloping plate deposition container and the high-field electrode and grounding electrode that are separately connected power positive cathode, it is described
Tubulose reaction vessel for plasma is set in the tubular sloping plate deposition container, in the tubular sloping plate deposition container and pipe
Setting inclined plate forms sloping plate deposition district, the lower section of the sloping plate deposition district in annular region between shape reaction vessel for plasma
Equipped with sludge bucket, the chamber wall of the tubular sloping plate deposition container is equipped at least one water inlet, and the water inlet is located at
On chamber wall below the sloping plate deposition district, it is anti-that the upper end of the tubular sloping plate deposition container is higher than the tubulose plasma
Answer the upper end of container；In the high-field electrode insertion tubulose reaction vessel for plasma, the tubulose plasma
The chamber wall of reaction vessel is sandwich, and the grounding electrode is arranged in the crack of the sandwich, the tubulose
The lower end of reaction vessel for plasma is equipped with water outlet, and the top of the tubular sloping plate deposition container is equipped with exhaust outlet.
As a kind of optimal technical scheme, the upper end of the tubulose reaction vessel for plasma is equipped with overflow weir；Further
It is preferred that the overflow weir is triangular-notch weir.
As a kind of optimal technical scheme, water-distributing device is installed in the tubulose reaction vessel for plasma, it is described
Water-distributing device is located at the top of the tubulose reaction vessel for plasma.The water-distributing device is preferably homogenizing plate.
As a kind of optimal technical scheme, the high-field electrode is the hollow metal pipe that upper end is equipped with air inlet, in this
The surface of empty metal tube is distributed with high-field electrode needle and brings out port, and gas passes through high-voltage electricity after being passed through hollow metal pipe by air inlet
Pole needle brings out port and carries out air-blowing for being passed through gas into tubulose reaction vessel for plasma, forms gas liquid reaction system, instead
Gas after answering reaches the exhaust outlet discharge of device by the homogenizing plate on top.
As a kind of optimal technical scheme, the external air pump of the air inlet is passed through air or oxygen.It is further excellent
Choosing, the air inlet is connected with air flow meter and air pump, and the size of ventilatory capacity can be adjusted arbitrarily.
As a kind of optimal technical scheme, the water inlet is 4, is evenly distributed on the tubular sloping plate deposition container
Chamber wall on.
As a kind of optimal technical scheme, the grounding electrode is tubular metal net, the shape with the sandwich
It matches.
The material of the tubulose reaction vessel for plasma is glass (quartz glass or tempered glass) or ceramics；The cylinder
The material of shape sloping plate deposition container is glass (quartz glass or tempered glass) or stainless steel.The homogenizing plate is ceramics or glass
It glass (quartz glass or tempered glass) and matches with the shape of tubulose reaction vessel for plasma.
In use, plasma reaction area is formed between high-field electrode and grounding electrode, in tubular sloping plate deposition container
Sloping plate deposition district, precipitation and separation and plasma of the apparatus of the present invention sewage are formed between tubulose reaction vessel for plasma
Reaction bonded, an equipment realize two kinds of functions.Inclined plate in the sloping plate deposition district is dismountable, and inclined plate inclines
Oblique angle is also adjustable, and the sludge bucket is to store sludge for interim, and using the gravitational settling of sludge, reduce sludge
Moisture content；The sloping plate deposition district goes out the cotton-shaped and insoluble substance in water from water, is the plasma of next step
Body processing mitigates processing load.The plasma reaction area is at the deliquescent polymer degradation in water
Reason is prepared for the processing of next step.The high-field electrode is hollow metal tube, can be passed through gas, and it is anti-to form gas-liquid
Answer system.The surface of the high-field electrode is uniformly distributed that there are many small high-field electrode needles of radius of curvature to bring out port, the height
Pressure electrode needle brings out the shape of port, and length and quantity can be adjusted, therefore forms spininess-barrel plasma reaction dress
It sets, reduces the starting voltage of electric discharge.
The triangular-notch weir be in order to enable sewage smoothly to flow to homogenizing plate, the homogenizing plate be in order to make etc. from
The capacity usage ratio of plasma reaction, the ground connection are reinforced in the contact more uniform with gas of the sewage of daughter reaction zone
Electrode is embedded in the chamber wall of tubulose reaction vessel for plasma, the use of material is metal mesh, and be grounded.
The upper end of the tubular sloping plate deposition container is higher than the upper end of the tubulose reaction vessel for plasma, guarantees sewage
It will not overflow.
On the barrel of the water inlet setting tubular sloping plate deposition container, oettIed sewage is flowed into equal by triangular-notch weir
Flowing plate flows into plasma reaction area later and is handled, and sewage flows out the processing unit by water outlet later.
The material of the tubulose reaction vessel for plasma be quartz or ceramics and material be it is double-deck, in Double-layer clamp
Netted wire ground electrode is equipped between seam, the high-field electrode is hollow metal tube, external high voltagehigh frequency power supply.It is described
The voltage of high voltagehigh frequency power supply, electric current it is adjustable.
The toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma of the invention handles organic contamination
Waste water, has the advantages that while flocculation sedimentation and corona treatment, the place that can be used for easy flocculated high-concentration hardly-degradable waste water
Reason.
Beneficial effects of the present invention:
Apparatus of the present invention are with practical, occupied area is small, treatment effeciency is high, equipment cost is low, operating cost is low, sharp
With the advantages that rate is high, continuity is strong, economic and environment-friendly and stable, solves treatment effect present in current processing technique
Low, the problems such as treating capacity is few and takes up a large area, can be widely used in the processing neck of easy flocculated high-concentration hardly-degradable waste water
Domain.
Detailed description of the invention
Fig. 1 is the structure chart of the toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma.
Fig. 2 is the direction inclined-plate clarifying basin compound needle barrel plasma toxic organic sewage treatment device A-A sectional view.
Fig. 3 is the partial enlarged view of high-field electrode
Wherein 1-air inlet, 2-high-field electrode needles bring out port, 3-triangular-notch weirs, 4-homogenizing plates, 5-water inlets, 6-
Sloping plate deposition district, 7-sludge buckets, 8-water outlets, 9-exhaust outlets, 10-grounding electrodes, 11-high-field electrodes, 12-tubuloses etc.
Gas ions reaction vessel, 13- tubular sloping plate deposition container, 14- high voltagehigh frequency power supply
Specific embodiment
It explains and analyzes below in conjunction with implementation process of the attached drawing to the invention:
As shown in Figure 1, Figure 2 and Figure 3, the toxic organic sewage processing dress of a kind of inclined-plate clarifying basin compound needle barrel plasma
It sets, it includes tubulose reaction vessel for plasma 12, tubular sloping plate deposition container 13 and is separately connected high voltagehigh frequency power supply 14
The high-field electrode 11 and grounding electrode 10 of positive and negative anodes, it is oblique that the tubulose reaction vessel for plasma 12 is set in the tubular
Annular region in plate precipitation vessel 13, between the tubular sloping plate deposition container 13 and tubulose reaction vessel for plasma 12
Interior setting inclined plate forms sloping plate deposition district 6, and the lower section of the sloping plate deposition district 6 is equipped with sludge bucket 7, and the tubular sloping plate deposition holds
It is uniformly distributed on the chamber wall of device 13 there are four water inlet 5, the water inlet 5 is located at the appearance of 6 lower section of sloping plate deposition district
On wall, the top of the tubular sloping plate deposition container 13 is equipped with exhaust outlet 9, the upper end of the tubular sloping plate deposition container 13
Higher than the upper end of the tubulose reaction vessel for plasma 12；It is anti-that the high-field electrode 11 is inserted into the tubulose plasma
It answers in container 12, the chamber wall of the tubulose reaction vessel for plasma 12 is sandwich, and the grounding electrode 10 is arranged
In the crack of the sandwich, the lower end of the tubulose reaction vessel for plasma 12 is equipped with water outlet 8.
As a kind of optimal technical scheme, the upper end of the tubulose reaction vessel for plasma 12 is equipped with triangular-notch weir 3.
As a kind of optimal technical scheme, homogenizing plate 4 is installed in the tubulose reaction vessel for plasma 12, it is described
Homogenizing plate is located at the top of the tubulose reaction vessel for plasma 12.
As a kind of optimal technical scheme, the high-field electrode 11 is the hollow metal pipe that upper end is equipped with air inlet 1, should
The surface of hollow metal pipe is distributed with high-field electrode needle and brings out port 2, and gas passes through height after being passed through hollow metal pipe by air inlet 1
Pressure electrode needle brings out port 2 and carries out air-blowing for being passed through gas into tubulose reaction vessel for plasma 12, forms gas liquid reaction
System, the gas after reaction are discharged by the exhaust outlet 9 that the homogenizing plate 4 on top reaches device.
The air inlet is connected with air flow meter and air pump, is passed through air or oxygen, and the size of ventilatory capacity
It can arbitrarily adjust.
The material of the tubulose reaction vessel for plasma 12 is quartz glass or ceramics.The tubular sloping plate deposition container
13 material is quartz glass or stainless steel.
The grounding electrode 10 is tubular metal net, is matched with the shape of the sandwich.
The homogenizing plate 4 is ceramics or quartz glass and matches with the shape of tubulose reaction vessel for plasma 12.
In use, plasma reaction area is formed between high-field electrode 11 and grounding electrode 10, in tubular sloping plate deposition
Sloping plate deposition district 6, precipitation and separation of the apparatus of the present invention sewage are formed between container 13 and tubulose reaction vessel for plasma 12
It is combined with plasma reaction, an equipment realizes two kinds of functions.Inclined plate in the sloping plate deposition district 6 be it is dismountable,
And the inclination angle of inclined plate is also adjustable, and the sludge bucket is to store sludge for interim, and utilize the gravity of sludge
Sedimentation, reduces the moisture content of sludge；The sloping plate deposition district goes out the cotton-shaped and insoluble substance in water from water, under
The corona treatment of one step mitigates processing load.The plasma reaction area is the deliquescent organic polymer in water
Mass degradation processing, prepares for the processing of next step.The high-field electrode 11 is hollow metal tube, can be passed through gas
Body forms gas liquid reaction system.The surface of the high-field electrode 11 is uniformly distributed the high-field electrode needle small there are many radius of curvature
Port 2 is brought out, the high-field electrode needle brings out the shape of port 2, and length and quantity can be adjusted, therefore forms spininess-cylinder
Formula plasma reaction device reduces the starting voltage of electric discharge.
The toxic organic sewage treatment device processing organic contamination of the inclined-plate clarifying basin compound needle barrel plasma is useless
Water, has the advantages that while flocculation sedimentation and corona treatment, the processing that can be used for easy flocculated high-concentration hardly-degradable waste water.
Process using the device of the invention purified treatment polluted-water is as follows: pretreated water body passes through 5 note of water inlet
Enter into the annular region between the tubular sloping plate deposition container 13 and tubulose reaction vessel for plasma 12, by adding
Enter coagulant or reconcile pH, reacts the pollutant in sewage in sloping plate deposition district 6, sewage and agglutinating matter are in sloping plate deposition
Area 6 carries out mud-water separation, and sewage flows into homogenizing plate 4 by triangular-notch weir 3 later, into tubulose reaction vessel for plasma 12, and
Sludge temporarily stores in sludge bucket 7, the discharge when sludge reaches a certain amount.Into tubulose reaction vessel for plasma 12
Sewage is evenly distributed in plasma reaction area by homogenizing plate 4, and air or oxygen pass through external on air inlet 1
Air pump enters in plasma reaction area, and plasma is made to discharge in gas-liquid mixed phase, and treated sewage is from water outlet 8
Discharge, the gas after reaction are discharged by exhaust outlet 9.
During high voltagehigh frequency corona discharge, the air being passed through can be ionized largely, and form a large amount of high energy freely electricity
Son, OH, O, HO2The O of equal free radicals and strong oxidizing property3And H2O2, can be with because these substances have strong oxidisability
Advanced treating is carried out to water quality；At the same time, can also with effects such as localized hyperthermia, strong shock wave, stronger ultraviolet lights, thus
The content of organics in waste water can be removed effectively.Electric current, voltage and ventilatory capacity and reaction liquid level thickness in reaction
It adjusts, can be adjusted flexibly according to effluent quality.Meanwhile can be carried out recycling multiple processing according to the effluent quality of tail water, from
And organic wastewater effectively can be decomposed and be removed by chemistry, the physical action of plasma discharge, reach purification
Purpose.
Claims (9)
1. a kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma, it is characterised in that it includes pipe
Shape reaction vessel for plasma, tubular sloping plate deposition container and the high-field electrode and ground connection electricity that are separately connected power positive cathode
Pole, the tubulose reaction vessel for plasma are set in the tubular sloping plate deposition container, heavy in the tubular inclined plate
Setting inclined plate forms sloping plate deposition district in annular region between shallow lake container and tubulose reaction vessel for plasma, and the inclined plate is heavy
The lower section in shallow lake area is equipped with sludge bucket, and the chamber wall of the tubular sloping plate deposition container is equipped at least one water inlet, described
Water inlet is located on the chamber wall below the sloping plate deposition district, and the upper end of the tubular sloping plate deposition container is higher than the tubulose
The upper end of reaction vessel for plasma；In the high-field electrode insertion tubulose reaction vessel for plasma, the pipe
The chamber wall of shape reaction vessel for plasma is sandwich, and the crack of the sandwich is arranged in the grounding electrode
In, the lower end of the tubulose reaction vessel for plasma is equipped with water outlet, and the top of the tubular sloping plate deposition container is equipped with
Exhaust outlet.
2. toxic organic sewage treatment device according to claim 1, it is characterised in that the tubulose plasma reaction
The upper end of container is equipped with overflow weir.
3. toxic organic sewage treatment device according to claim 1 or 2, it is characterised in that the tubulose plasma is anti-
It answers and water-distributing device is installed in container, the water-distributing device is located at the top of the tubulose reaction vessel for plasma.
4. toxic organic sewage treatment device according to claim 3, it is characterised in that the water-distributing device is to flow
Plate.
5. toxic organic sewage treatment device according to claim 1, it is characterised in that the high-field electrode is upper end
Hollow metal pipe equipped with air inlet, the surface of the hollow metal pipe are distributed with high-field electrode needle and bring out port, and gas is by air inlet
Mouth is passed through after hollow metal pipe and brings out port progress air-blowing by high-field electrode needle.
6. toxic organic sewage treatment device according to claim 1, it is characterised in that the water inlet is 4,
On the even chamber wall for being distributed in the tubular sloping plate deposition container.
7. toxic organic sewage treatment device according to claim 1, it is characterised in that the tubulose plasma reaction
The material of container is glass or ceramics；The material of the tubular sloping plate deposition container is glass or stainless steel.
8. toxic organic sewage treatment device according to claim 1, it is characterised in that the grounding electrode is tubulose
Metal mesh is matched with the shape of the sandwich.
9. toxic organic sewage treatment device according to claim 4, it is characterised in that the homogenizing plate be ceramics or
It glass and matches with the shape of tubulose reaction vessel for plasma.
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| CN201610436469.9A CN105948346B (en) | 2016-06-17 | 2016-06-17 | A kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma |
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| CN201610436469.9A CN105948346B (en) | 2016-06-17 | 2016-06-17 | A kind of toxic organic sewage treatment device of inclined-plate clarifying basin compound needle barrel plasma |
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| CN105948346B true CN105948346B (en) | 2018-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107337251A (en) * | 2017-09-04 | 2017-11-10 | 南京大学 | A kind of sewage-treatment plant using wet wall discharge plasma |
| CN114349027A (en) * | 2020-10-14 | 2022-04-15 | 重庆工商大学 | Method and device for removing organic matters in industrial waste salt by using low-temperature plasma |
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