CN103435133A - Waste water treatment system - Google Patents
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- CN103435133A CN103435133A CN2013104136735A CN201310413673A CN103435133A CN 103435133 A CN103435133 A CN 103435133A CN 2013104136735 A CN2013104136735 A CN 2013104136735A CN 201310413673 A CN201310413673 A CN 201310413673A CN 103435133 A CN103435133 A CN 103435133A
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Abstract
The invention provides a waste water treatment system. The waste water treatment system comprises a reaction tank body, an electrolysis device, an electrolysis air supply system, a catalytic material, at least one pair of working electrodes and a plurality of sensing electrodes, wherein the reaction tank body comprises a water inlet and a water outlet, the water inlet and the water outlet are respectively formed in the upper ends of the side walls of the reaction tank body; the electrolysis device comprises an anode plate, a cathode plate and a power supply, wherein the anode plate and the cathode plate are arranged inside the reaction tank body, and the power supply is electrically connected with the anode plate and the cathode plate; the electrolysis air supply system comprises an aerator pipe and an air pump, wherein the aerator pipe is arranged at the bottom of the reaction tank body, and the air pump is externally connected with the reaction tank body; the catalytic material is filled in the reaction tank body; the working electrodes and the sensing electrodes are arranged on two end side walls of the reaction tank body, and the working electrodes are connected with an anode output end and a cathode output end of the power supply. The waste water treatment system disclosed by the invention is more reasonable in technical parameters, and the processing difficulty and manufacturing cost are reduced.
Description
Technical field
The invention belongs to the field of purification of waste water, relate in particular to a kind of advanced waste treatment system.
Background technology
Economizing on resources with protection of the environment is a fundamental state policy of China.During " 12 ", National urban sewage disposal recovery utilization rate will reach 10% target, can save fresh water resource more than 70 hundred million m every year
3, this can alleviate China effectively, the problem of Water Resources In Arid Regions shortage especially, so waste water recycling has important practical significance.
The total quantity of wastewater effluent in the whole nation is more than 700 hundred million tons at present, and the consumption of national reuse water only has 16.6 hundred million m
3, only accounting for 2% of national wastewater/sewage quantity discharged, the target of distance 10% falls far short.Therefore to complete the guiding that this target not only depends on national policy, the macro adjustments and controls factors such as adjustment of market water price, more need the practical application of efficient, clean, reduced investment, reliable waste water advanced treatment and reuse technology that running cost is low, so the following investment of reuse water space is very wide.
Reuse water refers to that city domestic sewage and factory effluent etc. reach the discharge water of emission standard after pre-treatment and biochemical process processing, again after further processing, reach the water quality standard of a certain purposes, be back to the Ecology of this production process as industrial cooling water, garden landscape irrigation etc.But, in the wastewater to reach standard treating processes, significant variation has occurred in the parent compound in former sewage/wastewater, not only be embodied in compound composition, change in nature, and its molecular conformation has different significantly from size.Therefore, in advanced treatment, continue to take biochemical process as main purification process, often to the COD(chemical oxygen demand) etc. to close the removal efficiency of key control water-quality guideline very low.At present the treatment technology of reuse water common are membrane technique, MBR method, Fenton reagent oxidation method, photocatalytic oxidation etc., or with other physical chemistry methods, as the combination process of flocculation, filtration etc.But not only there are the particular problems such as treatment scheme is long, floor space is large, running cost is high in these combination procesies; Can produce a large amount of mud in treating processes simultaneously.These moisture percentage in sewage sludge are high, and processing cost is high, and the mud that especially contains the I pollutant is all the more so.The direct discharge of mud or mud miscarriage just make the sewage work disposed of sewage become new environomental pollution source, have now caused and showing great attention to of various circles of society have also become new problem urgently to be resolved hurrily in current wastewater treatment process.
Great many of experiments finds, the catalytic electrolysis efficiency of catalyzer is not only relevant to current density value, the strength of electric field of working electrode, and with its potential difference size in the moment displacement in close relations in the suspension process.Experimental results show that the precondition that catalyzer effective activation dissolved oxygen becomes active oxygen is to need to exist to be greater than the voltage difference more than 0.66V on a suspension path.Therefore, in existing Waste Water Treatment, at the two ends of reaction tank, be provided with tens of to working electrode, adopt this mode of production, when in full production, the needed power supply of certain current density that electrolyzer is applied on every pair of working electrode must have high total supply current output and relatively low operating voltage; Also need the supply main that can bear very high currents intensity (sectional area of wire is very large) be complementary with this power supply, and then be assigned on every pair of working electrode simultaneously.This has increased processing request and the manufacturing cost thereof of power supply and supply main undoubtedly.
Especially for the double-electrolyzer Waste Water Treatment after improving, in this double-electrolyzer Waste Water Treatment, adopt insulating material that single electrolyzer therefrom is separated into to two homalographics or isometric(al), double-electrolyzer that structure is consistent.Therefore, when the double-electrolyzer tandem working, need to provide two to overlap the working electrode of independently transmitting line and twice quantity to outside (its working area reduces 1 times), under the optimum oxidation state during with full production, apply the working current of same current density on also need to every pair of working electrode in two electrolyzers.Therefore, this has just caused that the right total current value of the working electrode that is installed in parallel is high, now just needs to bear the supply main (sectional area of wire is very large) of very high currents and the power supply of coupling thereof (its have high electric current output with 10V with interior relatively low operating voltage).
Therefore be badly in need of the more simple advanced waste treatment apparatus of a kind of structure of exploitation.
Summary of the invention
In view of this, the invention provides a kind of advanced waste treatment apparatus simple in structure.
For achieving the above object, the invention provides following technical scheme:
A kind of Waste Water Treatment comprises:
The reaction cell body, include the mouth of a river and water outlet, and described water inlet and water outlet are located at respectively the upper end of described reactive tank body sidewall;
Electrolyzer, comprise positive plate, negative plate and power supply, and described positive plate and negative plate are located in described reaction cell body, and described power supply is electrically connected at described positive plate and negative plate;
The electrolysis airing system, comprise aeration tube and pneumatic pump, and described aeration tube is located at the bottom of described reaction cell body, and described pneumatic pump is external in described reaction cell body;
Catalytic material, fill in described reaction cell body;
Also comprise at least one pair of working electrode and a plurality of induction electrode, described working electrode and induction electrode are arranged on the two ends sidewall of described reaction cell body, and the positive and negative electrode output terminal of described working electrode and described power supply joins.
Preferably, described a plurality of induction electrode spaced set is between the positive and negative electrode of described working electrode.
Preferably, described working electrode is graphite cake or 316L plate, and described induction electrode is graphite cake or 316L plate.
Preferably, described reaction cell body is separated into a plurality of reaction cell bodies by the insulation division plate, and is provided with closed tube between adjacent two reaction cell bodies, and water enters another adjacent reaction cell body by described closed tube from one of them reaction cell body.
Preferably, the volume of described a plurality of reaction cell bodies is identical.
Preferably, described closed tube is Y-tube.
Preferably, described water inlet is provided with center water inlet pipe and valve.
Preferably, described positive plate and negative plate are located at respectively the both sides of described reaction cell body, and described aeration tube is located at the bottom of described reaction cell body.
Preferably, described reaction cell body is processed to form by PP plate or PVC plate.
Preferably, fill in the 30%-60% that the interior catalytic material of described reaction cell body accounts for each reactive tank body bulk.
Compared with prior art, in Waste Water Treatment of the present invention, be provided with at least one pair of working electrode on the two ends sidewall of reaction cell body, the positive and negative electrode output terminal of described working electrode and described power supply joins, and is provided with induction electrode between the positive and negative electrode of described working electrode.Disclosed Waste Water Treatment, by induction electrode is set, changed in existing Waste Water Treatment by tens of modes of production to working electrode work, original while controlling certain current density the working power of needed high outward current become the power supply of relatively very little electric current output and relatively high Voltage-output, and the gross output of power supply remains unchanged, thereby original heavy in section supply main is reduced significantly, simultaneously, adopt the less working electrode of area can effectively be reduced in again than the power consumption loss caused by the electrode side reaction under high working voltage, and strength of electric field between working electrode and the potential difference between adjacent induction electrode have been improved, can effectively improve the oxidation efficiency of electrocatalysis process, make the technical parameter of whole system more reasonable, difficulty of processing and manufacturing cost have been reduced.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the Waste Water Treatment provided in the specific embodiment of the invention is provided.
Embodiment
In existing Waste Water Treatment, at the two ends of reaction tank, be provided with tens of to working electrode, adopt this mode of production, when in full production, the needed power supply of certain current density that electrolyzer is applied on every pair of working electrode must have high total supply current output and relatively low operating voltage; Also need the supply main that can bear very high currents intensity (sectional area of wire is very large) be complementary with this power supply, and then be assigned on every pair of working electrode simultaneously.This has increased processing request and the manufacturing cost thereof of power supply and supply main undoubtedly.
In view of the above-mentioned problems in the prior art, the present invention has disclosed a kind of Waste Water Treatment, comprising:
A kind of Waste Water Treatment comprises:
The reaction cell body, include the mouth of a river and water outlet, and described water inlet and water outlet are located at respectively the upper end of described reactive tank body sidewall;
Electrolyzer, comprise positive plate, negative plate and power supply, and described positive plate and negative plate are located in described reaction cell body, and described power supply is electrically connected at described positive plate and negative plate;
The electrolysis airing system, comprise aeration tube and pneumatic pump, and described aeration tube is located at the bottom of described reaction cell body, and described pneumatic pump is external in described reaction cell body;
Catalytic material, fill in described reaction cell body;
Also comprise at least one pair of working electrode and a plurality of induction electrode, described working electrode and induction electrode are arranged on the two ends sidewall of described reaction cell body, and the positive and negative electrode output terminal of described working electrode and described power supply joins.
Preferably, described a plurality of induction electrode spaced set is between the positive and negative electrode of described working electrode.
Preferably, described working electrode is graphite cake or 316L plate, and described induction electrode is graphite cake or 316L plate.
Preferably, described reaction cell body is separated into a plurality of reaction cell bodies by the insulation division plate, and is provided with closed tube between adjacent two reaction cell bodies, and water enters another adjacent reaction cell body by described closed tube from one of them reaction cell body.
Preferably, the volume of described a plurality of reaction cell bodies is identical.
Preferably, described closed tube is Y-tube.
Preferably, described water inlet is provided with center water inlet pipe and valve.
Preferably, described positive plate and negative plate are located at respectively the both sides of described reaction cell body, and described aeration tube is located at the bottom of described reaction cell body.
Preferably, described reaction cell body is processed to form by PP plate or PVC plate.
Preferably, fill in the 30%-60% that the interior catalytic material of described reaction cell body accounts for each reactive tank body bulk.
In Waste Water Treatment of the present invention, be provided with at least one pair of working electrode on the two ends sidewall of reaction cell body, the positive and negative electrode output terminal of described working electrode and described power supply joins, and is provided with induction electrode between the positive and negative electrode of described working electrode.At disclosed Waste Water Treatment, changed in existing Waste Water Treatment by tens of modes of production to working electrode work, original while controlling certain current density the working power of needed high outward current become the power supply of relatively very little electric current output and relatively high Voltage-output, and the gross output of power supply remains unchanged, thereby original heavy in section supply main is reduced significantly, strength of electric field between working electrode and the potential difference between adjacent induction electrode have been improved again simultaneously, can effectively improve the oxidation efficiency of electrocatalysis process, make the technical parameter of whole system more reasonable, difficulty of processing and manufacturing cost have been reduced.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Shown in ginseng Fig. 1, the present invention has disclosed a kind of Waste Water Treatment, comprising:
A kind of Waste Water Treatment comprises:
Reaction cell body 1, include the mouth of a river 2 and water outlet 3, and water inlet 2 and water outlet 3 are located at respectively the upper end of reaction cell body 1 sidewall.Reaction cell body 1 preferably is arranged to cuboid, adopts PP plate or PVC plate to process.Certainly, the shape of reaction cell body 1 can be arranged to other shapes, for example right cylinder.
Electrolyzer, comprise positive plate 4, negative plate 5 and power supply 6, and positive plate 4 and negative plate 5 are located in reaction cell body 1, and power supply 6 is electrically connected at positive plate 4 and negative plate 5.In the preferred embodiment of the present invention, positive plate 4, negative plate 5 are graphite electrode plate.A plurality of graphite electrode plates are in the reaction interior edge of cell body 1 direction from left to right with certain being intervally arranged, and, according to the positive and negative electrode output terminal electric connection of the power supply 6 of positive and negative electrode interactive approach and configuration, power supply 6 is preferably direct supply.Positive plate 4 and negative plate 5 are perpendicular to the base plate of reaction cell body 1.In actual applications, due to the restriction of reaction cell body 1 volume, positive plate 4 and negative plate 5 can only be set to one group, only have a positive plate 4 and a negative plate 5, and are located at respectively the both sides of reaction cell body 1.
The electrolysis airing system, comprise aeration tube 7 and pneumatic pump 8, and aeration tube 7 is located at the bottom of reaction cell body 1, and pneumatic pump 8 is external in reaction cell body 1, and certainly, pneumatic pump 8 also can be arranged in the gap of reaction cell body 1.Aeration tube 7 is provided with a plurality of, and the parallel bottom that is distributed in reaction cell body 1, and aeration tube 7 preferred parallel arrange in positive plate 4 or negative plate 5, and further, aeration tube 7 preferably is located between adjacent positive plate 4 and negative plate 5.The pore of aeration tube 7 down, block by the catalytic material particle that prevents from being reacted in cell body 1.Pneumatic pump 8 is connected in aeration tube 7, when can being provided for the negative plate 5 in reactive tank body 11 with the power supply activation, oxygen produces active oxygen species, the power of directed circulation also is provided for catalytic material simultaneously, and then making catalytic material inactivation and fouling risk greatly reduce, the catalytic efficiency of catalytic material is greatly improved.The electrolysis airing system can also comprise air flowmeter or pressure lock etc.In other embodiments, the quantity of aeration tube 7 also can only be provided with one.
Catalytic material, fill in reaction cell body 1.In the preferred embodiment of the present invention, the carbon back that catalytic material is carrying transition metal or silica-based particles, can also be doped with titanium dioxide in catalytic material.This catalytic material can either be from low concentration wastewater the selective enrichment pollutent, there is again high degree of electrical catalytic activation performance.Add catalytic material in reaction cell body 1, made treatment effect and processing efficiency to the low concentration used water difficult to degradate be greatly enhanced.The volume that the loadings of catalytic material accounts for each reaction cell body is preferably 30%～60%.
Disclosed Waste Water Treatment, also comprise at least one pair of working electrode 14 and a plurality of induction electrode 15, working electrode 14 is arranged on the two ends sidewall of reaction cell body 1, and working electrode 14 joins with the positive and negative electrode output terminal of power supply 6, and induction electrode 15 is arranged between the positive and negative electrode of working electrode 14.So arrange, changed in the prior art by tens of modes of production to working electrode work.Its know-why is: catalytic electrolysis efficiency is not only relevant to current density, and relevant to strength of electric field, and strength of electric field is larger, and catalytic electrolysis efficiency is higher, otherwise strength of electric field is less, and catalytic electrolysis efficiency is lower; But simultaneously, also need to solve a production practical problems, when in full production, the needed power supply of certain current density that reaction cell body 1 is applied on every pair of working electrode 14 must have high total supply current output and relatively low operating voltage; Also need the supply main that can bear very high currents intensity (sectional area of wire is very large) be complementary with this power supply, and then be assigned on every pair of working electrode 14 simultaneously.This has increased processing request and the manufacturing cost thereof of power supply and supply main undoubtedly.And disclosed Waste Water Treatment, utilize 1 pair or a small amount of several design of high-tension working electrode 14 being connected with many induction electrodes 15 that are distributed in 14 of working electrodes and using, effectively solved this problem, thereby original while controlling certain current density the working power of needed high outward current become the power supply of relatively very little electric current output and relatively high Voltage-output, and the gross output of power supply remains unchanged.So also can reduce original heavy in section supply main significantly, simultaneously improve again the strength of electric field of 14 of working electrodes and the potential difference between adjacent induction electrode 15, can effectively improve the oxidation efficiency of electrocatalysis process.Therefore make the technical parameter of whole device more reasonable, and reduced difficulty of processing and manufacturing cost.Herein, working electrode 14 can be graphite cake or 316L plate, and induction electrode 15 can be graphite cake or 316L plate.
Optimally, a plurality of induction electrode 15 spaced sets are between the positive and negative electrode of working electrode 14.
In the preferred embodiment of the present invention, reaction cell body 1 is separated into two reaction cell bodies by insulation division plate 9, be respectively the first reaction cell body 11 and the second reaction cell body 12, and be provided with closed tube 10 between the first reaction cell body 11 and the second reaction cell body 12, water enters the second adjacent reaction cell body 12 by closed tube 10 from the first reaction cell body 11.Preferably, closed tube 10 is Y-tube.When having water to pass through the first adjacent reaction cell body 11 and the second reaction cell body 12, closed tube 10 has the salt bridge effect, in the situation that energising, there is the mutual inductance electric field between the first reaction cell body 11 and the second reaction cell body 12, while having changed the work of single pond under the identical electrodes condition Spatial Distribution Pattern of strength of electric field, thereby effectively improved the catalytic oxidation efficiency of entire system.
Induction voltage and the relation between optimum operating voltage on laboratory room small-sized double-electrolyzer experimental installation, measured are as shown in the table, the useful volume of this experimental installation is 400mL, the long 10cm of electrolyzer, adopt a pair of 316L stainless steel working electrode, 4 induction electrodes, spacing between working electrode and adjacent induction electrode is 2cm, spacing between each adjacent induction electrode is 2cm, when optimum output services voltage is 9V, and the voltage of 4 induction electrodes in electrolyzer:
In table, can find out, when the output services voltage of system is 9V, the voltage of induction electrode output reaches as high as 3.84V.
In the preferred embodiment of the present invention, the upper end that the upper end of the junction of the first reaction cell body 11 and the second reaction cell body 12 offers water inlet 2, the second reaction cell body 12 right-hand sidewalls offers water outlet 3, the preferred height lower than water inlet 2 of water outlet 3.The lower end of the first reaction cell body 11 can also be provided with evacuation port 13, and evacuation port 13 can be gone out the discharge of wastewater in the first reaction cell body 11 and the second reaction cell body 12 when Waste Water Treatment is not used.Water inlet 2, water outlet 3 and evacuation port 13 places can be respectively equipped with valve, and water inlet 2 also is provided with center water inlet pipe (not shown), make water inlet 2 to supply water to the first reaction cell body 11 and the second reaction cell body 12 respectively.Adopt this middle water inlet and water distribution system, the water inlet management while facilitating two ponds to work independently, and don't increase pipeline.
Further, the first reaction cell body 11 is identical with the volume of the second reaction cell body 12.Certainly, also can to the size of the first reaction cell body 11 and the second reaction cell body 12, be adjusted according to actual needs, to meet the processing requirements of dissimilar trade effluent.
In Waste Water Treatment of the present invention, be provided with at least one pair of working electrode 14 on the two ends sidewall of reaction cell body 1, working electrode 14 joins with the positive and negative electrode output terminal of power supply 6, and be provided with induction electrode 15 between the positive and negative electrode of working electrode 14, independent of one another between working electrode 14 and induction electrode 15.At disclosed Waste Water Treatment, changed in existing Waste Water Treatment by tens of modes of production to working electrode work, original while controlling certain current density the working power of needed high outward current become the power supply of relatively very little electric current output and relatively high Voltage-output, and the gross output of power supply remains unchanged, thereby original heavy in section supply main is reduced significantly, strength of electric field between working electrode and the potential difference between adjacent induction electrode have been improved again simultaneously, can effectively improve the oxidation efficiency of electrocatalysis process, make the technical parameter of whole system more reasonable, difficulty of processing and manufacturing cost have been reduced.
Below in conjunction with embodiment, the effect of Waste Water Treatment 10 provided by the invention is elaborated.
Embodiment 1
Treatment effect analysis to water outlet after refinery water biochemistry.
Refinery water belongs to used water difficult to degradate, and the oil refining process water consumption is large, and water quality complexity and the fluctuation of waste discharge are strong.Utilize the above-mentioned Waste Water Treatment that processing power is 60L/h, the discharge water of an oil refinery effluent after biochemistry carried out to the on-the-spot continuous service test of 30 days.Result shows: when influent quality index COD fluctuation changes between 80.0-360mg/L, and mean value 220mg/L; Ammonia nitrogen concentration is when the 40.0mg/L left and right, and the control reaction times is 20min, and after reaction, the COD of system water outlet is lower than 50mg/L, and average removal rate can reach 80.1%; The ammonia nitrogen concentration of water outlet, lower than 4mg/L, reaches more than 90% ammonia nitrogen removal frank; When electrolysis finishes, the average sludge output of system is lower than every liter of waste water 50mg.And effluent quality is good and it is steady to change, this illustrative system is fine to organic shock resistance.
Embodiment 2
The treatment effect analysis of water outlet after dyeing waste water biochemistry.
The printing and dyeing industry water consumption is large, the water quality complexity, and the Pollutant levels fluctuation is large.Utilize the above-mentioned Waste Water Treatment that processing power is 60L/h, the discharge water after many dyeing waste water biochemistry has been carried out to the on-the-spot continuous service test of 3 weeks.The main water-quality guideline of experiment water is: influent quality index COD fluctuation changes between 80-120mg/L, during mean value 100mg/L; Colourity is 40-80, and mean value is 60.Controlling the reaction times during experiment is 20min.The water outlet result shows: this device still can reach 70% to the average removal rate of COD, and the clearance of colourity approaches 100%; When electrolysis finishes, the average sludge output of system is lower than every liter of waste water 60mg.Effluent quality is good and variation is steady, respond well, can reach the water quality standard requirement of reuse water.
Embodiment 3
The advanced treatment effect analysis of water outlet after the sanitary wastewater biochemical treatment.
The generation of sanitary wastewater surpasses at present the quantity discharged of trade effluent, becomes the main wastewater source in China's wastewater treatment industry, and it is also the most important potential water source in the reuse water field from now on simultaneously.According to the sanitary sewage emission standard of current China, the discharge water COD after require processing is lower than 50 or the standard of 60mg/L.In Jiangsu Province's Taihu Lake basin, require COD lower than 50, and ammonia nitrogen is lower than 5 or 8mg/L.But, for this standard sewage work old for some, during its technological design, COD requires lower than 80 or 120mg/L, and to ammonia nitrogen without standard-required.Therefore this technology is suitable for the technological transformation of old sewage work and waste water recycling basin from now on.Utilize the above-mentioned Waste Water Treatment that processing power is 60L/h, to the old sewage work test in place of 30 days, test water quality is: influent quality index COD fluctuation changes between 60-150mg/L, during mean value 105mg/L; Ammonia nitrogen is 20-60mg/L, and mean value is 40mg/L.Controlling the reaction times during experiment is 20min.The water outlet result shows: this device still can reach 70% to the average removal rate of COD, and the clearance of ammonia nitrogen approaches 100%; When electrolysis finishes, the average sludge output of system is lower than every liter of waste water 30mg.Effluent quality is good and variation is steady, respond well, can reach the water quality standard requirement of reuse water.
The above results explanation, Waste Water Treatment of the present invention can be widely used in different wastewater treatments, and treatment effect is good, and the system sludge output is low, and energy consumption is low, process is clean, and the comprehensive treating process cost is low, has very large market outlook.
In sum, disclosed Waste Water Treatment has the following advantages:
1. changed in existing Waste Water Treatment by tens of modes of production to working electrode work, original while controlling certain current density the working power of needed high outward current become the power supply of relatively very little electric current output and relatively high Voltage-output, and the gross output of power supply remains unchanged, thereby original heavy in section supply main is reduced significantly, strength of electric field between working electrode and the potential difference between adjacent induction electrode have been improved again simultaneously, can effectively improve the oxidation efficiency of electrocatalysis process, make the technical parameter of whole system more reasonable, difficulty of processing and manufacturing cost have been reduced,
2. changed tradition and had necessarily the effectively electrocatalysis device of single electrolyzer of working area or volume, disclosed Waste Water Treatment therefrom is separated into two homalographics or isometric two reactive tanks that can work alone (the two structure is in full accord) with insulating material.When full production, adopt the mode of operation of the first reaction cell body 11 and the second reaction cell body 12 series connection, consistent when the overall cell reaction time is still 20min(with the work of single pond), but now can effectively improve the efficiency of wastewater treatment, reduce the energy consumption of system works simultaneously; While using separately the first reaction cell body 11 or the second reaction cell body 12 work, the time of electrolytic reaction is constant, be still 20min, when to meet, producing load and reduce by half or the needs that the list pond works alone, do not stop work during overhaul of the equipments, has also correspondingly reduced by 50% energy consumption.
Adopt disclosed Waste Water Treatment, not only there are the flexible operating characteristics that oxidation efficiency is high, energy consumption is low, single pond can work independently, kept again the technical superiority of traditional fluidized-bed electrocatalysis treatment technology system without mud or few sludge creation, and difficulty of processing and manufacturing cost lower.
And the site test results of multiple factory effluent shows, this technological system to the advanced treatment of water outlet, the water outlet of dyeing waste water biochemical system and the water outlet of refinery biochemical treatment system etc. of domestic sewage processing system have that volume of equipment efficiency is high, treatment effect good, low or without sludge creation, stable effluent quality, running cost is low, energy consumption is little, level of automation is high, simple to operate, and with the compatible many technological merits such as good of original water treatment system.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a Waste Water Treatment comprises:
The reaction cell body, include the mouth of a river and water outlet, and described water inlet and water outlet are located at respectively the upper end of described reactive tank body sidewall;
Electrolyzer, comprise positive plate, negative plate and power supply, and described positive plate and negative plate are located in described reaction cell body, and described power supply is electrically connected at described positive plate and negative plate;
The electrolysis airing system, comprise aeration tube and pneumatic pump, and described aeration tube is located at the bottom of described reaction cell body, and described pneumatic pump is external in described reaction cell body;
Catalytic material, fill in described reaction cell body;
It is characterized in that: also comprise at least one pair of working electrode and a plurality of induction electrode, described working electrode and induction electrode are arranged on the two ends sidewall of described reaction cell body, and the positive and negative electrode output terminal of described working electrode and described power supply joins.
2. Waste Water Treatment according to claim 1, it is characterized in that: described a plurality of induction electrode spaced sets are between the positive and negative electrode of described working electrode.
3. Waste Water Treatment according to claim 1, it is characterized in that: described working electrode is graphite cake or 316L plate, described induction electrode is graphite cake or 316L plate.
4. Waste Water Treatment according to claim 1, it is characterized in that: described reaction cell body is separated into a plurality of reaction cell bodies by the insulation division plate, and be provided with closed tube between adjacent two reaction cell bodies, water enters another adjacent reaction cell body by described closed tube from one of them reaction cell body.
5. Waste Water Treatment according to claim 4, it is characterized in that: the volume of described a plurality of reaction cell bodies is identical.
6. Waste Water Treatment according to claim 5, it is characterized in that: described closed tube is Y-tube.
7. Waste Water Treatment according to claim 1, it is characterized in that: described water inlet is provided with center water inlet pipe and valve.
8. Waste Water Treatment according to claim 1, it is characterized in that: described positive plate and negative plate are located at respectively the both sides of described reaction cell body, and described aeration tube is located at the bottom of described reaction cell body.
9. Waste Water Treatment according to claim 1, it is characterized in that: described reaction cell body is processed to form by PP plate or PVC plate.
10. Waste Water Treatment according to claim 1, is characterized in that: fill in the 30%-60% that the interior catalytic material of described reaction cell body accounts for each reactive tank body bulk.
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