CN107324561A - A kind of plasma water treatment device and method for treating water of simple Coal Tar Wastewater - Google Patents
A kind of plasma water treatment device and method for treating water of simple Coal Tar Wastewater Download PDFInfo
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- CN107324561A CN107324561A CN201710759886.1A CN201710759886A CN107324561A CN 107324561 A CN107324561 A CN 107324561A CN 201710759886 A CN201710759886 A CN 201710759886A CN 107324561 A CN107324561 A CN 107324561A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides a kind of plasma water treatment device and method for treating water of simple Coal Tar Wastewater, the mode that physico-chemical process and chemical method are combined is employed, Coal Tar Wastewater is handled, it mainly employs following technique：Flocculence, Bubble-floating Method and low-temperature plasma oxidation technology.The water treatment facilities and method for treating water of the present invention belongs to the technical field of water process.In the present invention, by flocculation sediment and pneumatically supported mode, considerably reducing suspension in waste water etc. influences the material of subsequent treatment process；Using non-thermal plasma trap, its ultraviolet, ozone for producing etc., all with extremely strong oxidisability, organic matter that can be effectively in Decomposition Wastewater.
Description
Technical field
The invention provides a kind of plasma water treatment device and method for treating water of simple Coal Tar Wastewater, belong to water
Process field.
Technical background
Coal tar is one of staple product of coking industry, and its constituent is extremely complex, is by coal tar in most cases
Oily industry exclusively carries out and obtains and be used after separation, purification.
Coal tar naphtha processing can obtain a variety of chemical products, but can be produced during coal tar processing substantial amounts of poisonous useless
Water, such waste water material containing high-enriched organics, toxicity is big, complicated component.Wherein organic pollution is mainly monocyclic or polycyclic
Aromatic compound and nitrogenous, sulphur, the heterocyclic compound of oxygen, phenol, naphthalene, aniline, pyridine, quinoline, the BaP of such as high concentration
Deng.Phenolic compound is all poisonous to all biologies, and they can make cell lose vigor, protein coagulating；Polycyclic aromatic hydrocarbon can
Make one carcinogenic, general is difficult biodegradation.
The processing mode of Coal Tar Wastewater is roughly the same with the processing mode of coking chemical waste water, by it is general pre-process, it is raw
Thing denitrogenation, the good processing modes such as processing, Anaerobic Treatment of itching, finally reduce ammonia nitrogen, COD isoconcentrations.But these processing modes take
Length, complex operation, cost are high, it is impossible to be fully solved Coal Tar Wastewater pollution problem.
The content of the invention
For such case, the invention provides a kind of plasma water treatment device of simple Coal Tar Wastewater and
Method for treating water, the problem of Coal Tar Wastewater pollutes can not be currently fully solved for alleviating.It is of the invention to solve the problem
Technical scheme is as follows：
A kind of plasma water treatment device of simple Coal Tar Wastewater, including：Medicament chamber, flocculating chamber, mud chamber, gas-floating chamber,
Aeration plate, plasma reaction chamber, high-frequency and high-voltage impulse power supply, air pump, ceramic fixtures, high-field electrode, low-field electrode, quartz
Glass tube, aeration post, water inlet pipe, preceding communicating pipe, rear communicating pipe and outlet pipe；It is characterized in that：The medicament chamber is located at flocculation
Above room, mud chamber is located at below flocculating chamber, and water inlet pipe is fixed on the side wall of flocculating chamber；The flocculating chamber passes through with gas-floating chamber
Preceding communicating pipe is connected；The aeration plate is fixed on gas-floating chamber bottom, and is connected with the top of plasma reaction chamber；The air supporting
Room is connected with plasma reaction chamber by rear communicating pipe；The outlet pipe is fixed on the side wall of plasma reaction chamber, positioned at pottery
Above porcelain fixing device and low-field electrode；It is anti-that the ceramic fixtures are fixed on plasma with low-field electrode by silica gel fixture block
Answer on the side wall of room, quartz glass tube one end is connected with aeration post, and the other end is connected with ceramic fixtures；The high-field electrode
One end is fixed on ceramic fixtures, and remainder is located at the center of quartz glass tube；The high-frequency and high-voltage impulse power supply
Output end is connected with high-field electrode and low-field electrode；The air pump is connected with ceramic fixtures.
As a further improvement, it is characterised in that：The waste water links together in flocculating chamber with mud chamber, but is separated with
One piece of wire netting.
As a further improvement, it is characterised in that：Floss hole is left in the mud chamber bottom, for discharging sediment.
As a further improvement, it is characterised in that：The gas-floating chamber is made up of stainless steel, and row's foam mouthful is left in upper end,
Row's foam mouthful is higher than waste water liquid level.
As a further improvement, it is characterised in that：The water inlet pipe, preceding communicating pipe, rear communicating pipe and outlet pipe is not
Become rusty steel pipe.
As a further improvement, it is characterised in that：The high-field electrode and low-field electrode are corrosion-resistant metal materials system
Into.
Using the method for treating water of the plasma water treatment device of above-mentioned Coal Tar Wastewater, comprise the following steps that：
A, it is passed through air：Air pump power supply is connected, air is passed through into device, prevents waste water adverse current from entering in quartz glass tube, shadow
Ring equipment performance；
B, it is passed through waste water：Water inlet pipe is opened, Coal Tar Wastewater is injected into flocculating chamber and mud chamber；
C, flocculation sediment：Medicament is loaded into medicament chamber, medicament is slowly equably put into flocculating chamber in the presence of apparatus, sunk
Starch is deposited on mud chamber by wire netting；
D, air supporting skimming：Waste water after flocculation sediment flows into gas-floating chamber, and the foam produced after aeration is arranged from gas-floating chamber upper end
Remove；
E, regulation parameter：Throughput and water-flowing amount are adjusted, the processing of waste water is reached default poised state；
F, processing waste water：Be powered for high-frequency and high-voltage impulse power supply, high-frequency and high-voltage impulse power supply high-field electrode and low-field electrode it
Between apply voltage, plasma apparatus produces plasma isoreactivity material, and reaction is produced with waste water.
In addition, the medicament in the medicament chamber is PAC.
In addition, the precipitation in the mud chamber can be collected discharge from floss hole.
In addition, the output voltage range of the high-frequency and high-voltage impulse power supply be 20kV ~ 80kV, frequency range be 15kHz ~
60kHz。
The technique effect of the present invention：The water treatment facilities of the present invention, by flocculant by impurity in Coal Tar Wastewater etc.
Material is separated with waste water, and flocks are deposited on mud chamber bottom, reduces useless influence of the impurities in water to subsequent treatment.The water of the present invention
Processing unit, carries out Air Exposure to the waste water after flocks processing by the aerator in gas-floating chamber, in aeration process, exposes
A large amount of micro-bubbles that device of air is produced are adsorbed in floating-upward process with participation impurity, the suspension in waste water etc. with PAC phases, gas
Bubble carries these materials floating to liquid level, and accumulates and formed the accumulation foam for being difficult to rupture in liquid level, and these foams are arrived in accumulation
After certain altitude, from row's foam mouthful outflow of gas-floating chamber.The water treatment facilities of the present invention, passes through the plasma of dielectric barrier discharge
Produce equipment and produce ultraviolet, ozone isoreactivity material, these active materials are entered in waste water by aerator, while with
Polluter haptoreaction in waste water, decomposes polluter.The water treatment facilities of the present invention, the top of plasma reaction chamber
The aeration plate that stomata is left with gas-floating chamber bottom is connected, and the ozone not consumed completely in plasma reaction room is injected into gas-floating chamber
It is interior, during oil removal is removed again and pollutant reaction, reduce follow-up intractability.
The attached explanation of figure
Fig. 1 is the structural representation of apparatus of the present invention.
Wherein：1 it is medicament chamber, 2 be flocculating chamber, 3 be mud chamber, 4 be gas-floating chamber, 5 be aeration plate, 6 is plasma reaction
Room, 7 be high-frequency and high-voltage impulse power supply, 8 be air pump, 9 be ceramic fixtures, 10 be high-field electrode, 11 be low-field electrode, 12 be
Quartz glass tube, 13 be aeration post, 14 be water inlet pipe, 15 be preceding communicating pipe, 16 be rear communicating pipe and 17 be outlet pipe.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to invention
Embodiment is described in detail.
Elaborate that much there is details in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other modes described here to implement using other, therefore the present invention is not limited by following public specific embodiment
Value.
As shown in figure 1, a kind of plasma water treatment device of simple Coal Tar Wastewater involved by the present embodiment, bag
Include：Medicament chamber 1, flocculating chamber 2, mud chamber 3, gas-floating chamber 4, aeration plate 5, plasma reaction chamber 6, high-frequency and high-voltage impulse power supply 7, gas
Pump 8, ceramic fixtures 9, high-field electrode 10, low-field electrode 11, quartz glass tube 12, aeration post 13, water inlet pipe 14, preceding connection
Pipe 15, rear communicating pipe 16 and outlet pipe 17.The medicament chamber 1 is located at the top of flocculating chamber 2, and mud chamber 3 is located at the lower section of flocculating chamber 2,
Water inlet pipe 14 is fixed on the side wall of flocculating chamber 2；The flocculating chamber 2 is connected with gas-floating chamber 4 by preceding communicating pipe 15；It is described to expose
Gas disk 5 is fixed on the bottom of gas-floating chamber 4, and is connected with the top of plasma reaction chamber 6；The gas-floating chamber 4 and plasma reaction chamber 6
It is connected by rear communicating pipe 16；The outlet pipe 17 is fixed on the side wall of plasma reaction chamber 6, positioned at ceramic fixtures 9
With the top of low-field electrode 11；The ceramic fixtures 9 are fixed on plasma reaction chamber 6 with low-field electrode 11 by silica gel fixture block
Side wall on, the one end of quartz glass tube 12 with aeration post 13 be connected, the other end is connected with ceramic fixtures 9；The high-tension electricity
The one end of pole 10 is fixed on ceramic fixtures 9, and remainder is located at the center of quartz glass tube 12；The hf and hv pulse
The output end of power supply 7 is connected with high-field electrode 10 and low-field electrode 11；The air pump 8 is connected with ceramic fixtures 9.
The waste water links together in flocculating chamber 2 with mud chamber 3, but is separated with one piece of wire netting；The bottom of mud chamber 3
Floss hole is left, for discharging sediment；The gas-floating chamber 4 is made up of stainless steel, and row's foam mouthful is left in upper end, and row's foam mouthful is high
In waste water liquid level；The water inlet pipe 14, preceding communicating pipe 15, rear communicating pipe 16 and outlet pipe 17 are stainless steel tube；The high-tension electricity
Pole 10 and low-field electrode 11 are made up of corrosion-resistant metal materials.
A kind of method for treating water of the plasma water treatment device of simple Coal Tar Wastewater, comprises the following steps：
A, it is passed through air：The power supply of air pump 8 is connected, air is passed through into device, prevents waste water adverse current from entering in quartz glass tube 12,
Influence equipment performance；
B, it is passed through waste water：Water inlet pipe 14 is opened, Coal Tar Wastewater is injected into flocculating chamber 2 and mud chamber 3；
C, flocculation sediment：Medicament is loaded into medicament chamber 1, medicament is slowly equably put into flocculating chamber 2 in the presence of apparatus,
Sediment is deposited on mud chamber 3 by wire netting；
D, air supporting skimming：Waste water after flocculation sediment flows into gas-floating chamber 4, and the foam produced after aeration is from the upper end of gas-floating chamber 4
Exclude；
E, regulation parameter：Throughput and water-flowing amount are adjusted, the processing of waste water is reached default poised state；
F, processing waste water：It is powered for high-frequency and high-voltage impulse power supply 7, high-frequency and high-voltage impulse power supply 7 is in high-field electrode 10 and low tension
Apply voltage between pole 11, plasma apparatus produces plasma isoreactivity material, and reaction is produced with waste water.
Medicament in the medicament chamber 1 is PAC.
Precipitation in the mud chamber 3 can be collected discharge from floss hole.
The output voltage range of the high-frequency and high-voltage impulse power supply 7 is 20kV ~ 80kV, and frequency range is 15kHz ~ 60kHz.
Operation principle：In flocks room, impurity, partial suspended thing in waste water are adsorbed by flocculant, are condensed into larger
Floccule, in slowly current, the floccule sinks, and is finally deposited in mud chamber bottom, periodic cleaning.In ion reaction chamber
Interior, low-field electrode is placed in treatment sewage, and directly using treatment sewage as an indirect earthed electrode, quartz glass tube is put
In in treatment sewage, centre is inserted with high-field electrode, when applying sufficiently high voltage on two electrodes, two interelectrode gas
Know from experience breakdown and form dielectric barrier discharge.This dielectric barrier discharge show as uniformly, disperse and stably, it is and hypobaric
Glow discharge is similar.When dielectric barrier discharge plasma is produced, electronics in the presence of extra electric field with gas molecule frequency
Numerous collision, carries out the mutual transmission of energy.The electronics and ion of high-speed motion make region of discharge expand rapidly, finally produce one
Through the filament-like discharges passage of the high conductivity of discharge space, until electrode end.Dielectric barrier discharge produce non-thermal grade from
Body is distributed in the filament-like discharges passage of discharge space, can ionize gas, produces various active materials, such as 03
Deng overall that there is strong oxidizing property.Meanwhile, using the high-energy and non-equilibrium thermodynamics characteristic of plasma, by plasma
The middle equally distributed ultraviolet degradation Pollutants in Wastewater of body phase.When the gas being passed through in water treatment facilities reaches a certain amount of and nothing
When method is discharged, gas is entered by the stomata at the top of reaction chamber in the aeration plate of gas-floating chamber bottom, when the air pressure in aeration plate
During more than hydraulic pressure, while aeration plate produces a large amount of these bubble agitation sewage of bubble, substantial amounts of suspension can be carried, is adsorbed with
The bubble of a large amount of suspensions is difficult to crush in the water surface, and the bubble jack-up risen by the continuation of bottom, and is built up, most terminal alveoli
The height of foam reaches row's foam mouthful of gas-floating chamber, is excluded from row's foam mouthful.Simultaneously after water treatment facilities works a period of time, plasma
Residual volume after the ozone of device generation is reacted is incrementally increased and together entered with gas via the aeration plate of gas-floating chamber bottom
Into sewage, ozone reacts to each other with water pollutant, reduces pollutant, serves the work for the difficulty for reducing subsequent treatment
With.
Claims (10)
1. a kind of plasma water treatment device of simple Coal Tar Wastewater, including：Medicament chamber（1）, flocculating chamber（2）, mud chamber
（3）, gas-floating chamber（4）, aeration plate（5）, plasma reaction chamber（6）, high-frequency and high-voltage impulse power supply（7）, air pump（8）, ceramics it is fixed
Device（9）, high-field electrode（10）, low-field electrode（11）, quartz glass tube（12）, aeration post（13）, water inlet pipe（14）, preceding connection
Pipe（15）, rear communicating pipe（16）And outlet pipe（17）；It is characterized in that：The medicament chamber（1）Positioned at flocculating chamber（2）Top, sinks
Shallow lake room（3）Positioned at flocculating chamber（2）Lower section, water inlet pipe（14）It is fixed on flocculating chamber（2）Side wall on；The flocculating chamber（2）With gas
Floating chamber（4）Pass through preceding communicating pipe（15）It is connected；The aeration plate（5）It is fixed on gas-floating chamber（4）Bottom, and and plasma reaction
Room（6）Top be connected；The gas-floating chamber（4）With plasma reaction chamber（6）Pass through rear communicating pipe（16）It is connected；The outlet pipe
（17）It is fixed on plasma reaction chamber（6）Side wall on, positioned at ceramic fixtures（9）And low-field electrode（11）Top；It is described
Ceramic fixtures（9）With low-field electrode（11）Plasma reaction chamber is fixed on by silica gel fixture block（6）Side wall on, quartzy glass
Glass pipe（12）One end and aeration post（13）It is connected, the other end and ceramic fixtures（9）It is connected；The high-field electrode（10）One end
It is fixed on ceramic fixtures（9）On, remainder is located at quartz glass tube（12）Center；The high-frequency and high-voltage impulse power supply
（7）Output end and high-field electrode（10）And low-field electrode（11）Connection；The air pump（8）With ceramic fixtures（9）It is connected.
2. the plasma water treatment device of simple Coal Tar Wastewater according to claim 1, it is characterised in that：The waste water
In flocculating chamber（2）With mud chamber（3）Link together, but be separated with one piece of wire netting.
3. the plasma water treatment device of simple Coal Tar Wastewater according to claim 1, it is characterised in that：The precipitation
Room（3）Floss hole is left in bottom, for discharging sediment.
4. the plasma water treatment device of simple Coal Tar Wastewater according to claim 1, it is characterised in that：The air supporting
Room（4）It is made up of stainless steel, and row's foam mouthful is left in upper end, row's foam mouthful is higher than waste water liquid level.
5. the plasma water treatment device of simple Coal Tar Wastewater according to claim 1, it is characterised in that：The water inlet
Pipe（14）, preceding communicating pipe（15）, rear communicating pipe（16）And outlet pipe（17）For stainless steel tube.
6. the plasma water treatment device of simple Coal Tar Wastewater according to claim 1, it is characterised in that：The high pressure
Electrode（10）And low-field electrode（11）It is made up of corrosion-resistant metal materials.
7. a kind of method for treating water of the plasma water treatment device of the simple Coal Tar Wastewater of utilization the claims, specifically
Step is as follows：
A, it is passed through air：Connect air pump（8）Power supply, air is passed through into device, prevents waste water adverse current from entering quartz glass tube
（12）It is interior, influence equipment performance；
B, it is passed through waste water：Open water inlet pipe（14）, Coal Tar Wastewater is injected into flocculating chamber（2）And mud chamber（3）In；
C, flocculation sediment：Medicament is loaded into medicament chamber（1）, medicament is slowly equably put into flocculating chamber in the presence of apparatus
（2）, sediment is deposited on mud chamber by wire netting（3）；
D, air supporting skimming：Waste water after flocculation sediment flows into gas-floating chamber（4）, the foam produced after aeration is from gas-floating chamber（4）
Upper end is excluded；
E, regulation parameter：Throughput and water-flowing amount are adjusted, the processing of waste water is reached default poised state；
F, processing waste water：For high-frequency and high-voltage impulse power supply（7）It is powered, high-frequency and high-voltage impulse power supply（7）In high-field electrode（10）With
Low-field electrode（11）Between apply voltage, plasma apparatus produces plasma isoreactivity material, and reaction is produced with waste water.
8. the plasma water processing method of Coal Tar Wastewater according to claim 7, it is characterised in that：The medicament chamber
（1）Interior medicament is PAC.
9. the plasma water processing method of Coal Tar Wastewater according to claim 7, it is characterised in that：The mud chamber
（3）Interior precipitation can be collected discharge from floss hole.
10. the plasma water processing method of Coal Tar Wastewater according to claim 7, it is characterised in that：The high frequency is high
Press the pulse power（7）Output voltage range be 20kV ~ 80kV, frequency range be 15kHz ~ 60kHz.
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| CN201710759886.1A CN107324561A (en) | 2017-08-30 | 2017-08-30 | A kind of plasma water treatment device and method for treating water of simple Coal Tar Wastewater |
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| CN112624493A (en) * | 2020-11-27 | 2021-04-09 | 浙江省海洋水产研究所 | Stone-headed fish circulating water treatment process method and special device thereof |
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| CN112624493A (en) * | 2020-11-27 | 2021-04-09 | 浙江省海洋水产研究所 | Stone-headed fish circulating water treatment process method and special device thereof |
| CN112624493B (en) * | 2020-11-27 | 2021-09-28 | 浙江省海洋水产研究所 | Stone-headed fish circulating water treatment process method and special device thereof |
| CN112592002A (en) * | 2020-12-28 | 2021-04-02 | 安徽天孚氟材料有限公司 | Coal tar wastewater treatment process |
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