CN104671612A - Sequence flow return type sewage treatment method and treatment device - Google Patents
Sequence flow return type sewage treatment method and treatment device Download PDFInfo
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- CN104671612A CN104671612A CN201510087184.4A CN201510087184A CN104671612A CN 104671612 A CN104671612 A CN 104671612A CN 201510087184 A CN201510087184 A CN 201510087184A CN 104671612 A CN104671612 A CN 104671612A
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Abstract
The invention discloses a sequence flow return type sewage treatment method which comprises the following steps: conveying sewage to an anoxic/anaerobic tank; conveying the sewage into a contact oxidation tank and performing aeration oxygenation on the sewage in the contact oxidation tank; conveying the supernatant obtained by precipitating in the contact oxidation tank into an electric flocculation and sedimentation tank; returning and mixing the sewage part subjected to electric flocculation, conveying the other part of sewage subjected to electric flocculation into a membrane tank for performing mud-water separation, and discharging the treated water. According to the treatment device disclosed by the invention, an anoxic/anaerobic tank, a contact oxidation tank, an electric flocculation and sedimentation tank and a membrane tank are separated on a treatment unit tank, wherein the contact oxidation tank is communicated with the electric flocculation and sedimentation tank by virtue of a supernatant conveying pipe; a flocculation solution return pipe is arranged on the electric flocculation and sedimentation tank; and the electric flocculation and sedimentation tank is communicated with the membrane tank. The mutual interference and restriction between electric flocculation and biological treatment can be avoided, and the efficiency can be maximized. The method and device disclosed by the invention are widely applied to treatment of domestic sewage on ships and lands and industrial wastewater.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to the treatment process of the waterborne and land point source sanitary sewage in river pool marine ship, marine equipment, small towns, city etc.The invention still further relates to the waste disposal plant of this treatment process of application.
Background technology
Sanitary sewage is the sewage produced in human being's production process, and be the primary pollution source of water body, it mainly contains ight soil and wash water.Along with the increase of socioeconomic fast development and population, the discharge of sanitary sewage is increasing, and become the serious obstruction that Economic development and people's quality of life improve, people are faced with the baptism of resource and the dual lack of water of water quality.The discharge of the land resident living sewage such as city, villages and small towns directly affects living environment and the degree of water pollution of people; The discharge of lake, inland river Sewage from Ships then can cause the deterioration of source quality; The discharge of marine engineering equipment and Sewage from Ships then has a strong impact on ocean environment.These point source formula sanitary sewages have the advantages that large in number and widely distributed, widely distributed inconvenience focuses on, the harm caused to environment more directly, more serious.For this reason, people just with unprecedented some effective of being determined to seek domestic sewage resource, and by formulating various international convention, emission standard limits and improves the discharge water quality requirement of sanitary sewage.
Phosphorus and ammonia nitrogen are one of important substance causing source quality to worsen.The phosphorus of the certain content of ubiquity in sanitary sewage, phosphorus is one of restrictive factor in various composition needed for algae reproduction, and in water body, phosphorus content height has close relationship with water body eutrophication degree.After ammonia nitrogen enters water body, not only can bring out " eutrophication " as biological nutrition material, water taste be smelt as of rotten fish unpleasant, reduce transparency, consume dissolved oxygen in a large number, and to discharge into water toxin, cause aquatic ecosystem disorderly.Due to all harm of phosphorus and nitrate pollution, add the raising that people require water quality and the water yield, adopt the relevant art means of deoxidation dephosphorization purification and measure to improve the extensive concern that source quality is more and more subject to society.
China sets up comparatively perfect sewage disposal discharge aspect laws and regulations and strict sewage disposal emission standard.Country's divert water from the south to the north project emphasizes the principle of " with water after water flowing after first pollution treatment, first environmental protection "; Work out and put into effect stricter sewage phosphorus nitrogen and remove standard, by regulation, the boats and ships of sewage treatment unit are not installed and must not enter that river course navigates by water, berths, operation.Regulation in " world prevents Pollution From Ships pact " that International Maritime Organizaton (IMD) formulates, offshore production living facilities must be equipped with sewage treatment unit, no special situation is forbidden directly to confined waters discharge sanitary sewage, the MEPC.159(55 of IMO) to resolve and put into effect strict execution emission standard by force, MEPC.227 (64) resolution increases and proposes harsh phosphorus nitrogen removes emission standard.
Current domestic sewage processing method roughly has: biochemical treatment, physical chemistry process and electrochemical treatment.Membrane bioreactor (MBR) is the efficient domestic sewage processing method grown up in the last few years, a kind of Biochemistry Reaction System that it is combined with bioreaction technology by membrane separation technique and is formed, its essence is that biological degradation and membrane sepn influence each other, coefficient process, it utilizes microorganism to transform organism in water degradable organic pollutant, make it the carbonic acid gas and the water that generate environmental sound, retain biochemical reactant simultaneously, there is the advantages such as solid-liquid separation rate is high, organic pollutant degradation efficiency is high, excess sludge is few.Although membrane bioreactor is current comparatively advanced sewage water treatment method efficiently, but still there are some intrinsic deficiencies, first because digestion degraded organic in membrane bioreactor depends on, oxygenic aeration is carried out to active sludge, but the denitrification in denitrogenation dephosphorizing process needs anaerobic environment, and aeration effect has very large impact to denitrification, therefore for total nitrogen to remove treatment effect unsatisfactory, also due to the existence of oxygenic aeration process, absolute anaerobic condition cannot be formed, this is very unfavorable to releasing phosphorus process again, even if adopt interval type aeration method, the removal effect of its phosphorus is also undesirable.Moreover the active sludge in membrane bioreactor energy effectively catching reactor, thus obtain higher sludge concentration, but this processing method also makes sludge age long, inevitably causes the reduction of sludge bacteria cytoactive.Fouling membrane in membrane bioreactor is also had to be more scabrous problem, although adopt back flushing in prior art, gap aeration extends the methods such as fouling membrane time, but does not change the dispersion free state of particulate, colloidal solid and solute transportation in sewage, can not pollute by block film preferably.
The applicant applied for and the patent of invention be authorized " multi-stage biochemical domestic sewage processing method and treatment unit thereof " (patent No. 2008101966589) on October 7th, 2008.This invention mainly comprises catalytic oxidation cabinet, sump tank and membrane biological reaction cabinet, and its sewage is cleared up repeatedly through multistage, and organism obtains degrading comparatively fully, and organic removal rate is high, and surplus sludge volume is few.But in actual use, in this invention, filter membrane still exists easy pollution problem, the processing efficiency of sewage is not high, and Nitrogen/Phosphorus Removal is unsatisfactory and stable.For the deficiency of this invention, the applicant applies for and the patent of invention of obtaining the authorization " continuous cycle type membrane bioreactor " (patent No. 2012105020267) on November 30th, 2012 again, the present invention adopts tubular membrane as retaining separative element, and the relation etc. in the pipe of choose reasonable tubular membrane in flow, flow velocity and pipe between flow and the amount of appearing, improve sludge concentration in the crown_interception of periosteum group and cabinet, decrease the pollution probability of periosteum, improve sewage treating efficiency, but Nitrogen/Phosphorus Removal is still unstable.November 13 in 2013, Japanese publication people applied for and the patent of invention of obtaining the authorization " a kind of sewage water treatment method and electric flocculation membrane bioreactor thereof the " (patent No.: 201310566552.4), the present invention has set up electric flocculation on the treatment scheme main line of catalytic oxidation, scarce anaerobic precipitation and membrane biological reaction, thus form the integrated use of biological treatment, electricity flocculation, membrane separation technique, the precipitation separation being introduced through adsorpting aggregation to pollutent, compression flocculation and pollutent and water of electric flocculation technique, realizes the purification removal effect to water pollutant.Especially electricity flocculation produces unique flocculation environment in apparatus for treating sewage system, the pollutent in sewage is made to become state of aggregation from free distribution, stop to a certain extent and inhibit pollutent to adhere to and infiltration, alleviate pollutent precipitation accumulation on the surface of the film, have and prevent fouling membrane effect preferably.
This electric flocculation membrane bio-reaction system strengthens whole treatment system Nitrogen/Phosphorus Removal by biological treatment, electricity flocculation and the superposition of membrane separation technique, and emphasis alleviates fouling membrane by biological treatment and electric throwing out.Treatment system so in theory can improve sewage treatment capacity, but then occurs after actual motion that treatment effect is unstable, and the detected value fluctuations such as the ammonia nitrogen of discharge water and total phosphorus are very large.The superposition being confined to multi task process technology due to this treatment process and actual product thereof is used, between failing on each treatment technology influence each other and dependence between each treatment process and flow sequence and mutual impact thereof are analyzed and researched, so there are some intrinsic some shortcomings: first in the reactive system that electricity flocculates and biological treatment coexists, the extra electric field of electricity flocculation can suppress or weaken microbial growth propagation, affect the metabolism degree of microorganism, make microorganism occur " poisoning " phenomenon; Electric field also makes sludge activity weaken to some extent to the inhibiting accumulation of microbial population and easily occurs aging, and operation condition is difficult to long-time maintenance.Second, the enhancing of current density can improve the flocculation sediment effect to dirty water pollutant, but the enhancing of current density also can strengthen microbial flocculation precipitating action in sewage, microbe population in sewage is reduced, Degradation dies down, mud running is in worsening symptom, and mud is by well to deterioration transition; When the microbial growth speed of growth is lower than when being flocculated sedimentation speed, biological treatment usefulness will be lost, and becomes simple electric flocculation system.Therefore in electricity flocculation superposition biological treatment system, run electric field wayward, be difficult to maintain high sludge concentration, cause the poor stability for the treatment of system, hinder the practice of electric flocculant biological reactive system.3rd, in electricity flocculation, metal anode produces the metal oxynitride that electronics forms " tiny flocculation agent ", " flocculation agent " is by the adsorpting aggregation to pollutent, compression flocculation, and the precipitation separation of pollutent and water, make colloidal state impurity and suspended impurity coagulative precipitation in sewage, realize removing the purification of pollutent in water body, but electric throwing out produces excessive " flocculation agent " while enhancing is to pollutent coagulative precipitation effect, also a large amount of coagulative precipitation microorganism, microbe population and population are reduced, and the minimizing of microbe population and population makes microbiological deterioration miopragia.4th, the cohesion of electricity " flocculation agent " also changes the microorganism growth such as microbial nutrition material, PH condition propagation environment in bio-reaction system.Therefore electricity flocculation electric field and excessive electricity " flocculation agent " negative impact to bio-reaction system how is avoided to be the problems that high-efficiency wastewater treatment system must be furtherd investigate.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sewage water treatment method, it can avoid mutual interference between electricity flocculation and sewage biological treatment system and the negative impact of restriction, the flocking settling of biological treatment pollutent can be accelerated again, make electricity flocculation and biological treatment realizes maximal efficiency.Another technical problem that will solve of the present invention is to provide a kind of waste disposal plant realizing this treatment process.
In order to solve the problems of the technologies described above, sequence stream foldback formula sewage water treatment method of the present invention, it is characterized in that this treatment process comprises the following steps: by sewage transport to lacking anaerobism cabinet, after lacking anaerobic treatment, again sewage transport is carried out aeration aerating to catalytic oxidation cabinet to the sewage in catalytic oxidation cabinet, stop aeration after aeration aerating for some time and precipitate, the supernatant liquor through precipitating gained in catalytic oxidation cabinet is delivered to electric flocculation sediment cabinet; The foul water fraction flocculated through electricity is returned to scarce anaerobism cabinet or/and catalytic oxidation cabinet and with scarce anaerobism cabinet or/and in catalytic oxidation cabinet sewage mix, another part sewage transport through electricity flocculation is carried out mud-water separation to film cabinet and is discharged process water.
Adopt the sequence stream foldback formula waste disposal plant of sewage water treatment method of the present invention, comprise treater cabinet, this treater cabinet divides and is separated with scarce anaerobism cabinet, catalytic oxidation cabinet, electricity flocculation sediment cabinet and film cabinet, catalytic oxidation cabinet aerator and soft-filler is provided with in catalytic oxidation cabinet, electricity flocculation sediment cabinet is provided with positive and negative flocculation electrode, filter membrane group is arranged in film cabinet, film cabinet aerator is also provided with in film cabinet, described scarce anaerobism cabinet, catalytic oxidation cabinet, electricity flocculation sediment cabinet and film cabinet are arranged in order from front to back on sewage disposal path, described scarce anaerobism cabinet and catalytic oxidation cabinet are interconnected, described catalytic oxidation cabinet is connected with electric flocculation sediment cabinet by supernatant liquor transfer lime, at electric flocculation sediment cabinet and scarce anaerobism cabinet or/and be communicated with the liquid foldback pipe that flocculates between catalytic oxidation cabinet, described electric flocculation sediment cabinet is connected with film cabinet.
After adopting technique scheme, tool of the present invention has the following advantages:
First, the present invention is arranged in order and is furnished with scarce anaerobic treatment, catalytic oxidation process, electric flocculation sediment and membrane separation step on sewage disposal path.Scarce anaerobic treatment is placed in the front end of waste water processes, the organic compound of complexity is degraded by anaerobic biological treatment, be converted into simple compound, not only enhance denitrification dephosphorization bacterium under anaerobic environment, to utilize nitrate nitrogen to serve as electron acceptor(EA) carry out poly-phosphorus precipitation, and after organism anaerobic hydrolysis-acidification in waste water, biodegradability is improved, be beneficial to the biodegradability playing follow-up aerobic process, make whole technique energy Effec-tive Function and to make it water outlet excellent.Simultaneously after scarce anaerobic treatment again through aerobic processes, define anaerobism, aerobic processes, utilize anoxic denitrification effect and aerobic nitrification to realize denitrogenation dephosphorizing.Again through electric flocculation sediment after catalytic oxidation process, to the adsorpting aggregation of dirty water pollutant, the precipitation separation compressing flocculation and pollutent and water after enhancing biological respinse.
The second, in the present invention, biological treatment and electricity flocculates separate setting and not directly being communicated with, and electric flocculation is positioned at the rear end of biological treatment.The extra electric field of such electricity flocculation both can not affect the metabolism degree of microorganism, can not suppress and weaken again microbial growth propagation, cut off the extra electric field of electric flocculation to the negative impact of biological treatment system; Biological treatment system more can play its efficient degradation organism, the effect of high-efficient denitrification and dephosphorization.Electricity flocculation again can according to handling object and the needing freely to select the operating parameters such as current density of technique without the need to taking the detrimentally affect to biological treatment system into account, and electricity flocculation is given full play to its adsorpting aggregation, compresses the effect of flocculation and precipitation separation.Preceding bio-degradation reactions alleviates follow-up electricity flocculation denitrogenation dephosphorizing burden simultaneously, and the denitrification dephosphorization function of whole treatment system is strengthened again in follow-up electricity flocculation, both form mutual coordination, mutually strengthen, both there is Overlay, avoided again mutual interference between the two.
3rd, " flocculation agent " that posterior electricity flocculation is formed by the present invention is partially to preceding biological treatment system foldback, " flocculation agent " that produced by treatment system self enters into bio-reaction system, the flocculating settling characteristics of effective promotion and strengthening active sludge, process water is more easily separated with mud, accelerates purification of waste water.But also according to running situation controlledly foldback " flocculation agent " forward, microbe population, population and microorganism growth propagation environment optimization can be made.Therefore, the present invention has not only blocked electric flocculation external electric field to the negative impact of bio-reaction system, and by foldback, the flocculating settling characteristics of bio-reaction system is strengthened again.
4th, the present invention by strengthening biological degradation, flocculating settling and electricity flocculation gathering compression, precipitation separation, most of organism must have been cleared up and solid-liquid separation, thus create " clear water " running environment to the membrane module in the membrane biological reaction cabinet in rear road, though make film participate in biochemical reaction, but its separating mechanism is occupied an leading position, the pollution probability of film greatly reduces, and ensure that the long-term stability of membrane flux.
Preferably, the part foldback volume of described electricity flocculation sewage is (1/4-1/2) of sewage volume in catalytic oxidation cabinet.Ratio T1:T2:T3=(5-7 of the aeration aerating time T1 in described catalytic oxidation cabinet, stopping aeration time T2 and electricity flocculation sewage foldback time T3): 1:(0.5-1); Aeration aerating is carried out to catalytic oxidation cabinet, stop aeration and precipitation with film cabinet carried out to aeration aerating, stop aeration also precipitating synchronously carrying out.The present invention's electricity flocculation sewage foldback amount can promote and the flocculating settling of enhancement microbiological reactive system, unlikelyly again has a negative impact.Rational aeration, stop the time of exposing to the sun and both made biological degradation abundant, have again enough settling times, thus realize solid-liquid separation preferably.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of embodiment of waste disposal plant of the present invention.
In figure, 1-treater cabinet, 2-lack anaerobism cabinet, 3-biological respinse cabinet dividing plate, 4-catalytic oxidation cabinet, 5-sewage input tube, 6-washpipe, 7-vapor pipe, 8-oxidation cabinet aeration valve, 9-blast tube, 10-flocculation liquid foldback pipe, 11-supernatant liquor transfer lime, 12-electric T-shaped valve, 13-electric flocculation sediment cabinet, 14-supernatant liquor conveying air valve, 15-fan, 16-flocculation liquid conveying air valve, 17-anti-spark arrester netting, 18-film cabinet aeration valve, 19-film cabinet washpipe, 20-film cabinet, 21-positive and negative flocculation electrode, 22-overflow port, 23-discharge purified water pipe, 24-filter membrane group, 25-sterilizer, 26-vacuum pump, 27-film cabinet base plate, 28-film cabinet aerator, 29-film cabinet dividing plate, 30-drainage bolt, 31-flocculation sediment cabinet dividing plate, 32-catalytic oxidation cabinet aerator, 33-soft-filler, 34-throw out transfer lime, 35-macerator pump, 36-well heater.
Embodiment
Waste water processes of the present invention, to process the sanitary sewage comprising Heisui River and buck, on the treatment scheme path of this sanitary sewage, is sequentially provided with scarce anaerobism cabinet 2, catalytic oxidation cabinet 4, electric flocculation sediment cabinet 13 and film cabinet 20.First sewage transport is carried out anaerobic biological treatment to lacking anaerobism cabinet 2, after lacking anaerobic biological treatment, the sewage lacked in anaerobism cabinet 2 enters into catalytic oxidation cabinet 4 and carries out aeration aerating, aeration aerating time T1=50-70 minute, then aeration time T2=8-12 minute are stopped, settlement of sewage in catalytic oxidation cabinet is separated, supernatant liquor in catalytic oxidation cabinet after precipitation is delivered in electric flocculation sediment cabinet 13, the electrode materials of the positive and negative flocculation electrode 21 in electricity flocculation sediment cabinet 13 is aluminium sheet, spacing between positive/negative plate is 4mm, operating voltage 5v between positive and negative electrode, working current is 1A.Being returned to by the foul water fraction flocculated through electricity in scarce anaerobism cabinet 2, also can be carry out part foldback in catalytic oxidation cabinet 4, or simultaneously to scarce anaerobism cabinet and catalytic oxidation cabinet part foldback; Foldback time T3=6-10 minute.In electricity flocculation sediment cabinet, the volume of part of contaminated water foldback is forward 1/3 of sewage volume in catalytic oxidation cabinet, and too high foldback amount can affect sewage treating efficiency, and the too low flocculation sediment effect being difficult to reach in enhanced biological reaction process of foldback amount.Therefore, its foldback amount should be (1/4-1/2) of catalytic oxidation cabinet sewage volume according to the situation of disposing of sewage and treatment process preferred electricity flocculation sewage foldback amount volume thereof.The ratio prioritizing selection that in catalytic oxidation cabinet, aeration aerating time T1, stopping aeration time T2 and electricity flocculate between sewage foldback time T3 is T1:T2:T3=(5-7): 1:(0.5-1).
In treatment process of the present invention, sewage disposal lacks anaerobism step, catalytic oxidation step, electric flocculation step and membrane biological reaction sequential and arranges, scarce anaerobism and catalytic oxidation and the electricity of biological treatment flocculate and mutually separate and be not directly communicated with, foul water fraction foldback forward in electricity flocculation, to strengthen the flocculating settling effect in biological respinse, the extra electric field so both having cut off electric flocculation, to the negative impact of biological treatment system, gives full play to again the adsorpting aggregation of electricity flocculation, compression flocculation and precipitation separation effect.
Sequence stream foldback formula waste disposal plant as shown in Figure 1, treater cabinet 1 is divided into scarce anaerobism cabinet 2, catalytic oxidation cabinet 4, electric flocculation sediment cabinet 13 and film cabinet 20 from front to back successively by biological respinse cabinet dividing plate 3, flocculating settling cabinet dividing plate 31 and film cabinet dividing plate 29.Wherein flocculating settling cabinet dividing plate 31 is totally enclosed diaphragm structure, and treater cabinet 1 is separated into two relative closures independently cabinet space by it.These two closed cabinet spaces both can be an one-piece construction (as shown in Figure 1 structure), also two independently each self-enclosed cabinet spaces can be divided into, the cabinet body structure of this split has better Installation Flexibility, can be installed in different spaces and different cabin.
Scarce anaerobism cabinet 2 and catalytic oxidation cabinet 4 is provided with in the last closed cabinet of treater cabinet 1, leaving gap for separating the two ends of the biological respinse cabinet dividing plate 3 of scarce anaerobism cabinet 2 and catalytic oxidation cabinet 4 and cabinet top board and base plate, lacking anaerobism cabinet 2 and catalytic oxidation cabinet 4 is interconnected by this clearance channel.Close at rear one of treater cabinet 1 the film cabinet dividing plate 29 being provided with electric flocculation sediment cabinet 13 and film cabinet 20 in cabinet, leave gap between film cabinet dividing plate 29 lower end and cabinet base plate, electric flocculation sediment cabinet 13 is connected by dividing plate lower gap passage with film cabinet 20.Obliquely be provided with film cabinet base plate 27 at this lower gap passage, the high-end of film cabinet base plate 27 is positioned at film cabinet 20, and the low side of film cabinet base plate 27 extends the cabinet base plate of electric flocculation sediment cabinet 13.The film cabinet base plate 27 of this inclination can throw out landing in guiding film cabinet 20 to electric flocculation sediment cabinet 13, these throw outs are returned to treatment scheme front end carry out circular treatment.
Be provided with well heater 36 at the bottom position of scarce anaerobism cabinet 2, this well heater 36 is electric heater, and because the impact of temperature on anaerobic digestion is proportionate, the speed of reaction of thermophilic digestion is higher than mesophilic digestion speed of reaction, and sludge activity is strong.In catalytic oxidation cabinet 4, be provided with soft-filler 33 and catalytic oxidation cabinet aerator 32, soft-filler 33 adopts the common used material such as vinylon, nylon wire.One group or some groups of positive and negative flocculation electroplaxs 21 are provided with in electric flocculation sediment cabinet 13, positive and negative flocculation electroplax 21 is electrically connected to each other by supply lead and the electric power supply that flocculates, the equal aluminium of two electrode materialss of positive and negative flocculation electroplax 21, high, medium and low position water mark or scale is provided with in electricity flocculation sediment cabinet 13, with the water level in control processor, thus ensure that it normally works.Be provided with filter membrane group 24 and film cabinet aerator 28 in film cabinet 20, the extraction water outlet of this filter membrane group 24 is connected with vacuum pump 26, and the outlet of vacuum pump 26 is communicated with sterilizer 25 and discharge purified water pipe 23 outward successively.
The liquid foldback pipe 10 that flocculates is communicated with between electric flocculation sediment cabinet 13 and scarce anaerobism cabinet 2, the feed-water end of flocculation liquid foldback pipe 10 stretches into below the minimum liquid level of electric flocculation sediment cabinet 13, and at the bottom of the contiguous cabinet of the port of this feed-water end, sewage with " flocculation agent " can be returned to like this in anaerobism cabinet, the deposit fouling thing of cabinet can be returned in anaerobism cabinet again and carry out degradation treatment again.The water outlet port of flocculation liquid foldback pipe 10 is positioned on cabinet top board, and namely this port is always more than the highest liquid of cabinet.Flocculation liquid foldback pipe 10 is carried air valve 16 and electric T-shaped valve 12 with fan 15 phase by flocculation liquid and is connect, to provide foldback power.
Supernatant liquor transfer lime 11 is communicated with between catalytic oxidation cabinet 4 and electric flocculation sediment cabinet 13, the feed-water end of supernatant liquor transfer lime 11 extend in the sewage of catalytic oxidation cabinet 4, the water side of supernatant liquor transfer lime 11 is then positioned at electric flocculation sediment cabinet cabinet ceiling location, to be delivered in electric flocculation sediment cabinet by the supernatant liquor in catalytic oxidation cabinet.Supernatant liquor transfer lime 11 is also connect with fan 15 phase by supernatant liquor conveying air valve 14 and electric T-shaped valve 12.Supernatant liquor transfer lime 11 can also be provided at the supernatant liquor uniflux hole on flocculation sediment cabinet dividing plate 31 or the through hole that flows.
Sewage input tube 5 is communicated in the cabinet top of scarce anaerobism cabinet 2, and the venting port with anti-spark arrester netting 17 is also led to by vapor pipe 7 in the cabinet top being communicated with washpipe 6 and film cabinet washpipe 19. catalytic oxidation cabinet 4 and film cabinet 20 on the cabinet top of catalytic oxidation cabinet 4 and film cabinet 20 respectively.The cabinet wall of film cabinet is equipped with overflow port 22.
Connected to macerator pump 35 by by-pass valve control at the bottom of the cabinet of electricity flocculation sediment cabinet 13 and catalytic oxidation cabinet 4, the outlet of macerator pump 35 connects the end wall medium position to scarce anaerobism cabinet 2, degrades throw out is delivered to scarce anaerobism cabinet through macerator pump 35 again.The base plate of treater cabinet 1 is also equipped with drainage bolt 30.
The water side of above-mentioned flocculation liquid foldback pipe 10, except the position, cabinet top being positioned at scarce anaerobism cabinet 2, can also be the cabinet top being positioned at catalytic oxidation cabinet 4, or is respectively equipped with two and the water outlet port connect on the cabinet top of scarce anaerobism cabinet 2 and catalytic oxidation cabinet 4.
Claims (12)
1. a sequence stream foldback formula sewage water treatment method, it is characterized in that this treatment process comprises the following steps: by sewage transport to lacking anaerobism cabinet, after lacking anaerobic treatment, again sewage transport is carried out aeration aerating to catalytic oxidation cabinet to the sewage in catalytic oxidation cabinet, stop aeration after aeration aerating for some time and precipitate, the supernatant liquor through precipitating gained in catalytic oxidation cabinet is delivered to electric flocculation sediment cabinet; The foul water fraction flocculated through electricity is returned to scarce anaerobism cabinet or/and catalytic oxidation cabinet and with scarce anaerobism cabinet or/and in catalytic oxidation cabinet sewage mix, another part sewage transport through electricity flocculation is carried out mud-water separation to film cabinet and is discharged process water.
2. sequence stream foldback formula sewage water treatment method according to claim 1, is characterized in that: the part foldback volume of described electricity flocculation sewage is (1/4-1/2) of sewage volume in catalytic oxidation cabinet.
3. sequence stream foldback formula sewage water treatment method according to claim 1 and 2, is characterized in that: ratio T1:T2:T3=(5-7 of the aeration aerating time T1 in described catalytic oxidation cabinet, stopping aeration time T2 and electricity flocculation sewage foldback time T3): 1:(0.5-1); Aeration aerating is carried out to catalytic oxidation cabinet, stop aeration and precipitation with film cabinet carried out to aeration aerating, stop aeration also precipitating synchronously carrying out.
4. sequence stream foldback formula sewage water treatment method according to claim 1 and 2, is characterized in that: in described electricity flocculation, sewage is returned in scarce anaerobism cabinet.
5. one kind adopts the sequence stream foldback formula waste disposal plant of sewage water treatment method described in claim 1, comprise treater cabinet (1), this treater cabinet (1) point is separated with scarce anaerobism cabinet (2), catalytic oxidation cabinet (4), electricity flocculation sediment cabinet (13) and film cabinet (20), catalytic oxidation cabinet aerator (32) and soft-filler (33) is provided with in catalytic oxidation cabinet (4), electricity flocculation sediment cabinet (13) is provided with positive and negative flocculation electrode (21), filter membrane group (24) is arranged in film cabinet (20), film cabinet aerator (28) is also provided with in film cabinet (20), it is characterized in that: described scarce anaerobism cabinet (2), catalytic oxidation cabinet (4), electricity flocculation sediment cabinet (13) and film cabinet (20) are arranged in order from front to back on sewage disposal path, described scarce anaerobism cabinet (2) and catalytic oxidation cabinet (4) are interconnected, described catalytic oxidation cabinet (4) is connected with electric flocculation sediment cabinet (13) by supernatant liquor transfer lime (11), electric flocculation sediment cabinet (13) and scarce anaerobism cabinet (2) or/and be communicated with the liquid foldback pipe (10) that flocculates between catalytic oxidation cabinet (4), described electric flocculation sediment cabinet (13) is connected with film cabinet (20).
6. sequence stream foldback formula waste disposal plant according to claim 5, is characterized in that: be communicated with the liquid foldback pipe (10) that flocculates between described electric flocculation sediment cabinet (13) and scarce anaerobism cabinet (2).
7. sequence stream foldback formula waste disposal plant according to claim 5, is characterized in that: be communicated with the liquid foldback pipe (10) that flocculates between described electric flocculation sediment cabinet (13) and catalytic oxidation cabinet (4).
8. sequence stream foldback formula waste disposal plant according to claim 5, is characterized in that: described electric flocculation sediment cabinet (13) is communicated with catalytic oxidation cabinet (4) with scarce anaerobism cabinet (2) by flocculation liquid foldback pipe (10).
9. the sequence stream foldback formula waste disposal plant according to claim 6,7 or 8, is characterized in that: the feed-water end of described flocculation liquid foldback pipe (10) stretches into below the minimum liquid level of electric flocculation sediment cabinet (13); The water side of flocculation liquid foldback pipe (10) is positioned at more than scarce anaerobism cabinet (2) or catalytic oxidation cabinet (4) the highest liquid level.
10. sequence stream foldback formula waste disposal plant according to claim 5, it is characterized in that: described scarce anaerobism cabinet (2) and catalytic oxidation cabinet (4) are arranged at one and close in cabinet, and this scarce anaerobism cabinet (2) is connected by biological respinse cabinet dividing plate (3) gap between two ends with catalytic oxidation cabinet (4).
11. sequence stream foldback formula waste disposal plants according to claim 5, is characterized in that: be provided with well heater (36) in described scarce anaerobism cabinet (2).
12. sequence stream foldback formula waste disposal plants according to claim 5, it is characterized in that: described electric flocculation sediment cabinet (13) and film cabinet (20) are arranged at one and close in cabinet, and this electric flocculation sediment cabinet (13) is connected by film cabinet dividing plate (29) lower gap with film cabinet (20); Film cabinet base plate (27) is obliquely provided with at the lower gap of film cabinet dividing plate (29).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277569A (en) * | 2016-08-09 | 2017-01-04 | 施悦 | A kind of A/O integrated film biological treatment device based on micro-anaerobic sludge amount and the method utilizing this device process sewage |
| CN107459229A (en) * | 2017-10-01 | 2017-12-12 | 东台市东方船舶装配有限公司 | The continuous sewage effluent processing system of big flow and its sewage water treatment method |
| CN107698097A (en) * | 2017-10-01 | 2018-02-16 | 东台市东方船舶装配有限公司 | Animal waste processing and utilizing system and processing Application way |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030077198A (en) * | 2002-03-25 | 2003-10-01 | 한상배 | Advanced Waste Water Treatment System with Intermittent Aeration, Biofilm and Bio Absorption |
| CN101376555A (en) * | 2008-10-07 | 2009-03-04 | 东台市东方船舶装配有限公司 | Multi-stage biochemical domestic sewage processing method and processing unit thereof |
| CN103553278A (en) * | 2013-11-13 | 2014-02-05 | 东台市东方船舶装配有限公司 | Sewage treatment method and electroflocculation membrane bioreactor thereof |
| CN203545847U (en) * | 2013-11-13 | 2014-04-16 | 东台市东方船舶装配有限公司 | Electro-coagulation membrane bioreactor |
| CN204529602U (en) * | 2015-02-25 | 2015-08-05 | 东台市东方船舶装配有限公司 | Sequence stream foldback formula waste disposal plant |
-
2015
- 2015-02-25 CN CN201510087184.4A patent/CN104671612B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030077198A (en) * | 2002-03-25 | 2003-10-01 | 한상배 | Advanced Waste Water Treatment System with Intermittent Aeration, Biofilm and Bio Absorption |
| CN101376555A (en) * | 2008-10-07 | 2009-03-04 | 东台市东方船舶装配有限公司 | Multi-stage biochemical domestic sewage processing method and processing unit thereof |
| CN103553278A (en) * | 2013-11-13 | 2014-02-05 | 东台市东方船舶装配有限公司 | Sewage treatment method and electroflocculation membrane bioreactor thereof |
| CN203545847U (en) * | 2013-11-13 | 2014-04-16 | 东台市东方船舶装配有限公司 | Electro-coagulation membrane bioreactor |
| CN204529602U (en) * | 2015-02-25 | 2015-08-05 | 东台市东方船舶装配有限公司 | Sequence stream foldback formula waste disposal plant |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277569A (en) * | 2016-08-09 | 2017-01-04 | 施悦 | A kind of A/O integrated film biological treatment device based on micro-anaerobic sludge amount and the method utilizing this device process sewage |
| CN106277569B (en) * | 2016-08-09 | 2019-04-05 | 施悦 | A method of O/A integrated film biological treatment device and utilization device processing sewage based on micro- anaerobic sludge amount |
| CN107459229A (en) * | 2017-10-01 | 2017-12-12 | 东台市东方船舶装配有限公司 | The continuous sewage effluent processing system of big flow and its sewage water treatment method |
| CN107698097A (en) * | 2017-10-01 | 2018-02-16 | 东台市东方船舶装配有限公司 | Animal waste processing and utilizing system and processing Application way |
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| CN104671612B (en) | 2017-04-19 |
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