CN110040917A - A kind of the fast purification system and its processing method of black and odorous water - Google Patents

A kind of the fast purification system and its processing method of black and odorous water Download PDF

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Publication number
CN110040917A
CN110040917A CN201910442706.6A CN201910442706A CN110040917A CN 110040917 A CN110040917 A CN 110040917A CN 201910442706 A CN201910442706 A CN 201910442706A CN 110040917 A CN110040917 A CN 110040917A
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water
integrated
mud film
pond
magnetic
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郑俊
张德伟
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HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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HUAQI ENVIRONMENT PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201910442706.6A priority Critical patent/CN110040917A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/48Treatment of water, waste water, or sewage with magnetic or electric fields
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment

Abstract

The invention discloses a kind of fast purification systems of black and odorous water, it is composed in series by No.1 elevator pump, fine fack, integrated mud film coupling denitrification and dephosphorization equipment, integrated magnetic-coagulation processing equipment, No.1 intermediate water tank, No. two elevator pumps, integrated aeration boilogical filter tank, integrated clear water reserviors, the fast purification system of the black and odorous water further includes sludge treating system, filter back washing system;The muddy water that sedimentation basin precipitates is back to first segment anoxic mud film coupling pond water inlet end by the air lift muddy water return-flow system, and is entered first segment anoxic mud film after being mixed together with fine fack water outlet and coupled pond;The desliming filtrate of the back-purge system water outlet and sludge treating system is handled by entering back into integrated magnetic-coagulation processing equipment after No. two intermediate water tank centralized collections.It is handled using the method for the present invention, effluent quality index can solve the problems, such as that system water outlet is difficult to up to standard under high concentration influent quality or low temperature environment up to earth's surface class IV class water and the above standard.

Description

A kind of the fast purification system and its processing method of black and odorous water
Technical field
The invention belongs to technical field of water pollution treatment, and in particular to a kind of fast purification system of black and odorous water and its place Reason method.
Background technique
There is black smelly and water quality phenomenon not up to standard in urban river, it has also become the common existing pollution in many cities in China is asked Topic, seriously affects resident living, city image and ecological environment.From the point of view for the treatment of process, traditional river processing system is wrapped again Include the life of land treatment system (the especially artificial wet land treating system) and oxidation pond and artificial-strengthening type of natural ecology type Object contact oxidation method, bacteria bed etc..Since there are water temperature, flow and water quality with the biggish spy of Seasonal for river sewage Point, the existing generally existing poor processing effect of processing method, operating cost is high, and impact resistance is low, cannot synchronize realization denitrogenation The deficiencies of dephosphorization, it is difficult to reach ideal effect, part river regulation technology is single, water body can not eliminate it is black smelly or reach ground Table V Class water.
Currently, winter administer black and odorous water water temperature generally at 15 DEG C hereinafter, and water concentration is generally higher than other seasons, It results in winter operation and is difficult to stably reaching standard;It is limited by the water quality impact and winter low temperature environment shadow of higher ammonia nitrogen and COD concentration It rings, when the influent COD that the practical influent ammonium concentration of biological aerated filter is higher than 20~25mg/L or biological aerated filter is excessively high When, the recovery reaching standard time in filter tank has extension after backwash, and heterotroph can become dominant microflora, and the nitrification of ammonia nitrogen is inhibited to make With.In addition, the ammonia nitrogen concentration of winter raw water is higher than other seasons, when individually being nitrified using aerobic process, it is understood that there may be nothing Machine basicity concentration is insufficient, influences nitrification efficiency;The general phosphor-removing effect of traditional aeration biofilter is also poor.Due to river periphery Dykes and dams basis compression strength is poor and can efficiently use that area is small, and since the removal residence time of ammonia nitrogen is longer, causes construction big Type concrete sewage treatment plant, activated sludge process or contact oxidation method sewage disposal technology are not particularly suited at water course in situ water Reason;Further, since water course in situ improvement is periodically short, general service is the several years, and concrete sewage processing structures is caused to be difficult It is generally applicable to river water harnessing;Meanwhile the transport of the limit for height limit for width for also receiving highway of equipment size limits range effects. Therefore, it is badly in need of that the water quality of high concentration water quality (COD and ammonia nitrogen) and the low temperature environment influence because of current black and odorous water is overcome to be difficult to reach Mark critical issue, develop a kind of a kind of novel black and odorous water fast purification system and its processing method, with realize COD in water body, The pollutants such as ammonia nitrogen, total phosphorus, dissolved oxygen stably reach ground Table IV class water and the above standard.
Summary of the invention
The purpose of the present invention is to solve the above problem, provides fast purification system and its processing side of a kind of black and odorous water Method is difficult to problem up to standard to break through the water quality of high concentration water quality (COD and ammonia nitrogen) and low temperature environment influence, and solves aeration life Recovery time long problem after the backwash of object filter tank, to realize that the pollutants such as COD in water body, ammonia nitrogen, total phosphorus, dissolved oxygen stably reach Ground Table IV class water and the above standard.
To achieve the above object, the invention adopts the following technical scheme:
A kind of fast purification system of black and odorous water couples denitrogenation dephosphorizing by No.1 elevator pump, fine fack, integrated mud film Equipment, integrated magnetic-coagulation processing equipment, No.1 intermediate water tank, No. two elevator pumps, integrated aeration boilogical filter tank, integration are clear Pond is composed in series, and the fast purification system of the black and odorous water further includes sludge treating system, filter back washing system;Institute It states No.1 elevator pump and is connected by sewage water inlet pipe with fine fack import, fine fack outlet is removed with the coupling denitrogenation of integrated mud film The connection of phosphorus equipment importation;The integration mud film coupling denitrification and dephosphorization equipment water outlet is mixed with integrated magnetic by sewage water inlet pipe Solidifying processing equipment water inlet connection;The integrated magnetic-coagulation processing equipment water outlet is entered in No.1 by sewage water inlet pipe Between water tank;No. two elevator pumps are connect with No.1 intermediate water tank, integrated aeration boilogical filter tank respectively into and out of nozzle, institute It states integrated aeration boilogical filter tank outlet and accesses integrated clear water reserviors and outlet.
The integrated mud film coupling denitrification and dephosphorization equipment further includes having first segment anoxic mud film coupling pond, second segment good Oxygen mud film couples pond, third section anoxic mud film coupling pond, sedimentation basin, floating stuffing, suspension activated sludge, the reflux of air lift muddy water System;Lacking the integrated mud film coupling denitrification and dephosphorization equipment treating capacity is 200~1000m3/d;Floating stuffing packing ratio is 5~45%;Sludge concentration is 1000~4000mg/L, and total residence time is 3h~10h, and first segment anoxic mud film couples pond, the Two sections of aerobic mud film coupling ponds, third section anoxic mud film coupling pond residence times are not less than 0.2h, 2.6h, 0.2h respectively;It is described Air lift muddy water return-flow system by the muddy water that sedimentation basin precipitates be back to first segment anoxic mud film coupling pond water inlet end, and with thin lattice Grid water outlet enters first segment anoxic mud film after being mixed together and couples pond.
The floating stuffing in the second segment aerobic mud film coupling pond is in the fluidisation movement of turbine reciprocation cycle;Described second Section aerobic mud film coupling pond is multi-stage aerobic area, and the series is 2~5 grades;The floating stuffing can be used APG filler or MBBR filler.
The integrated a length of 9.0~16.0m of magnetic-coagulation processing equipment, a height of 2.8~3.5m, separate unit treating capacity are 1000~20000m3/d;The integrated magnetic-coagulation processing equipment includes magnetic mixed cell, magnetic flocculation unit, magnetic mud and water Separative unit, magnetic recovery of circulatory system;Magnetic recovery of circulatory system is separated from water the magnetic after unit separation to magnetic mud and mud divides From recycling, the magnetic of recycling enters magnetic mixing pit or magnetic flocculation pond, and the excess sludge of generation enters sludge dewatering system and handled.
The integration magnetic-coagulation processing equipment can be heavy for the integrated magnetic-coagulation processing equipment or inclined tube of super disk form The integrated magnetic-coagulation processing equipment of shallow lake magnetic clarified separation form.
The integrated aeration boilogical filter tank ontology further include distributing water room, water distribution system, supporting layer, the biological filter bed of material, Clear water zone, outlet canal, aerating system, drop water level system, back-purge system;Integrated aeration boilogical filter tank is the length of packaging box-shaped Cube structure, separate unit treating capacity are 1000~5000m3/d。
The biological filter bed of material is pyrite base biofilter material or weak base base haydite.
The back-purge system is the back-purge system using precipitation position back-flushing method, and backwash raw water uses clear water As backwash raw water, backwash water outlet is discharged into No. two intermediate water tanks sewage in pond;The back-purge system water outlet and sludge The desliming filtrate of processing system enters back at integrated magnetic-coagulation processing equipment after passing through No. two intermediate water tank centralized collections Reason.
A kind for the treatment of scale of the fast purification system of black and odorous water is 1000~50000m3/d。
The integrated mud film couples denitrification and dephosphorization equipment, integrated magnetic-coagulation processing equipment, integrated aeration biological Each monomer processing equipment in filter tank can be combined by parallel way, improve treatment scale.
The first segment anoxic mud film couples pond, the aerobic mud film of second segment couples pond, third section anoxic mud film couples pond, Sedimentation basin can be respectively arranged in different integrated mud film coupling denitrification and dephosphorization equipments according to zoned format, and tandem compound makes With.
A kind of processing method of the fast purification system of black and odorous water, comprising the following steps:
(1) first order: black and odorous water to be processed is promoted to fine fack with No.1 elevator pump and is pre-processed, intercepts and goes Except fibrous material, the graininess sundries etc. in water body;
(2) second level: treated that water outlet flows into integrated mud film couples denitrification and dephosphorization equipment for fine fack;Using air lift mud The precipitating muddy water of settling zone is promoted to first segment anoxic mud film coupling pond water inlet end by water return-flow system, is pre-processed out with fine fack Water enters the first segment anoxic mud film coupling pond of integrated mud film coupling denitrification and dephosphorization equipment, first segment anoxic mud after being mixed together The dissolved oxygen that film couples pond is 1.0mg/L or less;First segment anoxic mud film couples the denitrifying microorganism in pond using in raw water Labile organic compound carbon source, the nitrate nitrogen in stripping reflux muddy water carries out denitrification, consumption degradation part COD and BOD, and produces Raw basicity, wherein air lift muddy water reflux ratio is 10%~100%;After sewage enters multistage second segment aerobic mud film coupling pond, the The floating stuffing and aeration bubbles that two sections of aerobic mud films couple pond are in the fluidisation movement of turbine reciprocation cycle, the aerobic mud film coupling of second segment Conjunction pond dissolved oxygen is 2.0~4.0mg/L, aerobic except carbon bacterium, nitrifier, synchronous nitration and denitrification bacterium, aerobic phosphorus absorption bacterium are in difference Classification aerobic zone in floating stuffing on, be distributed in dominant microflora, the aerobic heterotrophism on floating stuffing and suspended active sludge Bacterium is further degraded to rest COD, BOD, while biomembrane is passed through using a large amount of ammonia nitrogens of nitrification degradation on floating stuffing Synchronous nitration and denitrification effect removal part total nitrogen, aerobic phosphorus absorption bacterium carry out suction phosphorus, and water outlet enters third section anoxic mud film and couples Pond;Third section anoxic mud film couples the denitrifying microorganism in pond and utilizes the labile organic compound carbon source in dirt, stripping reflux mud Nitrate nitrogen in water carries out denitrification, consumption degradation part COD and BOD, and generates basicity, while Denitrifying Phosphate Accumulating Organisms utilize nitre Hydrochlorate carries out denitrification phosphorus-collecting effect as electron donor, and water outlet carries out mud-water separation through sedimentation basin, and the muddy water of precipitating then passes through Air lift muddy water return-flow system flows back into first segment anoxic mud film coupling pond, drains into sludge treating system outside the phosphorous excess sludge in part It is handled.By controlling reaction time and dissolved oxygen parameter etc., to guarantee the crucial outlet effect of the equipment: removal 60%~90% COD always intake simultaneously makes to be discharged COD < 60mg/L, completes the ammoniation process of organic nitrogen;And remove water body In 40%~80% ammonia nitrogen always intake and make be discharged ammonia nitrogen < 20mg/L;
(3) third level: sewage enters one in the water outlet of integrated mud film coupling denitrification and dephosphorization equipment and No. two intermediate water tanks Body magnetic-coagulation processing equipment, hydraulic detention time are 6~30min, and reflux magnetic sludge concentration control is 2g/L~12g/L, is gone Except most of total phosphorus (TP), suspended matter (SS), colloid and the organic pollutant in water body, water transparency is promoted;To guarantee to be somebody's turn to do The crucial outlet effect of equipment: removing the COD that 30%~80% always intakes and makes to be discharged COD < 50mg/L, and removes in water body The total phosphorus of 90~95% water inlets simultaneously makes to be discharged TP < 0.5mg/L, SS < 10mg/L.Magnetic mud is separated from water unit, magnetic recycling circulation Sludge treating system is drained into outside system treated excess sludge to be handled;
(4) fourth stage: through integrated magnetic-coagulation processing equipment, treated that water outlet flows into No.1 intermediate water tank, and through No. two It is aerobic except carbon, nitrification, chemical dephosphorization processing processing, water that elevator pump is promoted to integrated aeration boilogical filter tank progress biology aerobic object The power residence time is 40~80min, and dissolved oxygen is 4.0~6.0mg/L;Under conditions of aerobic, the heterotroph in biomembrane will Remaining COD removal in water body;Nitrifier on pyrite base biofilter material or weak base base haydite surface in attached biological film is logical Cross the removal that nitrification completes ammonia nitrogen;The change of Phos occurs in microenvironment for pyrite base biofilter material or weak base base haydite It learns and reacts and be solidificated in filler surface, form ferric phosphate or hydroxyl bell acid calcium solid, achieve the purpose that synchronous chemical dephosphorization;Through one After the processing of body biological aerated filter, the dissolved oxygen in water body is increased dramatically promotion;Integrated clear water is emitted into after up to standard Pond, the water outlet of clear water reserviors inner part are used as water outlet up to standard, and part water outlet is as backwash raw water;To guarantee that the key of the equipment goes out Water effect: COD < 30mg/L, ammonia nitrogen < 1.0mg/L, TP < 0.3mg/L, DO > 4mg/L, SS < 10mg/L;
(5) integrated aeration boilogical filter tank carries out backwash, precipitation using precipitation position backwash method after running 24~72h Position back-flushing method: precipitation position, air purge, the backwash of air water joint, water rinsing time be respectively 0.3~1.5min, 0.8~ 2.5min, 0.8~2.5min, 3.0~9.0min;Air purge intensity, water rinsing intensity are followed successively by 12~25L/m2S, 4~6L/ m2·s;
(6) the desliming filtrate of the water outlet of precipitation position back-purge system and sludge treating system is concentrated by No. two intermediate water tanks receives Integrated mud film coupling denitrification and dephosphorization equipment is promoted to after collection again to be handled;Sludge treating system treated moisture content of the cake < 80%, mud cake simultaneously carry out outward transport disposition.
The black and odorous water includes sewage in broken end creek, sewage, tidal channel overflow forebay sewage, black smelly water in pumping plant Body, initial polluted rain water and river, lake, pond, landscape pollution water body.
Detailed description of the invention
Fig. 1: a kind of the fast purification system structure and process flow diagram of black and odorous water.
Wherein: 0- black and odorous water to be processed;1 No.1 elevator pump;2 fine facks;3 integrated mud film coupling denitrogenation dephosphorizings are set Standby, 3-1 first segment anoxic mud film couples pond, and the aerobic mud film of 3-2 second segment couples pond (3-2-1 level-one aerobic mud film coupled zone, 3- 2-1 second level aerobic mud film coupled zone), 3-3 third section aerobic mud film coupling pond, 3-4 sedimentation basin, 3-5 air lift muddy water return-flow system, 3-6 floating stuffing, 3-7 suspended active sludge;4 integrated magnetic-coagulation processing equipments, 4-1 magnetic mixed cell, 4-2 magnetic flocculation list Member, 4-3 magnetic mud are separated from water unit, 4-4 magnetic recovery of circulatory system;5 No.1 intermediate water tanks;6 No. two elevator pumps;7 integrations expose Gas biofilter;8 integrated clear water reserviors;9 sludge treating systems;10 No. two intermediate water tanks;11 water outlets up to standard;W (including w1, w2, W3, w4, w5, w6, w7) sewage inlet and outlet pipes, F1 backwash water inlet pipe, F2 backwash outlet pipe, F3 desliming system filtrate pipe, F4 desliming System filtrate effluent pipe;H1 magnetic mud return pipe, H2 magnetic kind recovery tube, H3 excess sludge sludge out pipe, the coupling of H4 integration mud film are de- The excess sludge pipe of nitrogen dephosphorization equipment.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
Referring to Fig.1, a kind of fast purification system of black and odorous water it include No.1 elevator pump 1, fine fack 2, integrated mud Film couples denitrification and dephosphorization equipment 3, integrated magnetic-coagulation processing equipment 4,5, No. two elevator pumps 6 of No.1 intermediate water tank, integration exposure Gas biofilter 7, integrated clear water reserviors 8 are composed in series, and a kind of fast purification system of black and odorous water further includes sludge Processing system 9, filter back washing system, aerating system;The No.1 elevator pump 1 by sewage water inlet pipe w1 and fine fack 2 into Mouth is connected, and the outlet of fine fack 1 couples 3 import of denitrification and dephosphorization equipment connection by pipeline w2 and integrated mud film;The one Change mud film coupling 3 water outlet of denitrification and dephosphorization equipment to connect by sewage water inlet pipe w3 with integrated 4 water inlet of magnetic-coagulation processing equipment It connects;Integrated 4 water outlet of magnetic-coagulation processing equipment enters No.1 intermediate water tank 5 by sewage water inlet pipe w4;Described No. two elevator pumps 6 are connect with No.1 intermediate water tank 5, integrated aeration boilogical filter tank 7 respectively into and out of nozzle w5, the integration 7 outlet w6 of biological aerated filter accesses integrated clear water reserviors 8 and outlet;
The integrated mud film coupling denitrification and dephosphorization equipment 3 further includes having first segment anoxic mud film to couple pond 3-1, second The aerobic mud film coupling pond 3-2 of section, third section anoxic mud film coupling pond 3-3, sedimentation basin 3-4, floating stuffing 3-6, suspension activity Sludge 3-7, air lift muddy water return-flow system 3-5;Described integrated mud film coupling 3 treating capacity of denitrification and dephosphorization equipment is 200~ 1000m3/d;Floating stuffing is filled out 3-6 and is filled than being 5~45%;Sludge concentration 3-7 is 1000~4000mg/L, and total residence time is 3h~10h, first segment anoxic mud film couples the aerobic mud film coupling pond 3-2 of pond 3-1, second segment, third section anoxic mud film couples pond The 3-3 residence time is not less than 0.2h, 2.6h, 0.2h respectively;The air lift muddy water return-flow system 3-5 precipitates sedimentation basin 3-4 Muddy water be back to first segment anoxic mud film coupling pond 3-1 water inlet end, and with fine fack 1 water outlet be mixed together after enter first segment Anoxic mud film couples pond 3-1;The sedimentation basin 3-4 muddy water precipitated is back to first segment by the air lift muddy water return-flow system 3-5 Anoxic mud film couples pond 3-1 water inlet end, and enters first segment anoxic mud film after being mixed together with the water outlet of fine fack 1 and couple pond 3-1.
The floating stuffing 3-6 and suspended active sludge 3-7 of the aerobic mud film coupling pond 3-2 of the second segment is reciprocal in turbine Ciculation fluidized movement;The aerobic mud film coupling pond 3-3 of the second segment is (the aerobic mud film coupling of 3-2-1 level-one of multi-stage aerobic area Area, 3-2-1 second level aerobic mud film coupled zone), the series is 2~5 grades;The floating stuffing 3-6 can be used APG filler or MBBR filler.
The described a length of 9.0~16.0m of integrated magnetic-coagulation processing equipment 4, a height of 2.8~3.5m, separate unit treating capacity are 1000~20000m3/d;The integrated magnetic-coagulation processing equipment 4 includes magnetic mixed cell 4-1, magnetic flocculation unit 4-2, magnetic Mud is separated from water unit 4-3, magnetic recovery of circulatory system 4-4, magnetic recovery of circulatory system 4-4 and is separated from water unit 4-3 points to magnetic mud Magnetic from after is separated and recovered with mud, and it is logical that the magnetic of recycling enters the excess sludge that magnetic mixing pit 4-1 or magnetic flocculation pond 4-2 is generated It crosses excess sludge sludge out pipe H3 pipe and enters sludge dewatering system 9 and handled.
The integrated magnetic-coagulation processing equipment 4 can be the integrated magnetic-coagulation processing equipment or inclined tube of super disk form Precipitate the integrated magnetic-coagulation processing equipment of magnetic clarified separation form.
7 ontology of integrated aeration boilogical filter tank further includes distributing water room 7-1, water distribution system 7-2, supporting layer 7-3, life Object filter material layer 7-4, clear water zone 7-5, outlet canal 7-6, aerating system, drop water level system, back-purge system;Integrated aeration biological Filter tank 7 is the rectangular parallelepiped structure of packaging box-shaped, and separate unit treating capacity is 1000~5000m3/d。
The biological filter bed of material 7-4 is pyrite base biofilter material or weak base base haydite.
The back-purge system uses precipitation position back-flushing method, and backwash raw water is using in integrated clear water reserviors 8 Sewage is discharged into No. two intermediate water tanks 10 as backwash raw water, backwash water outlet by F2 pipeline;The back-purge system water outlet The desliming filtrate H3 of F2 and sludge treating system is entered back into after passing through No. two 10 centralized collections of intermediate water tank to integrated magnetic-coagulation Processing equipment 4 is handled.
The desliming filtrate that the sludge treating system 9 generates flows into No. two intermediate water tanks, Treatment of Sludge by F3 pipeline The mud cake that system is formed carries out outward transport disposition.
A kind for the treatment of scale of the fast purification system of black and odorous water is 1000~50000m3/d。
The integrated mud film couples denitrification and dephosphorization equipment 3, integrated magnetic-coagulation processing equipment 4, integration aeration life Each monomer processing equipment in object filter tank 7 can be combined by parallel way, improve treatment scale.
The first segment anoxic mud film of the integration mud film coupling denitrification and dephosphorization equipment 3 couples pond 3-1, the aerobic mud of second segment Film coupling pond 3-2, third section anoxic mud film coupling pond 3-3, sedimentation basin 3-4 can be respectively arranged at different one according to zoned format In body equipment, and tandem compound uses.
A kind of processing method of the fast purification system of black and odorous water, comprising the following steps:
(1) first order: being promoted to fine fack 2 with No.1 elevator pump 1 for black and odorous water 0 to be processed and pre-process, and intercepts And remove the fibrous material in water body, graininess sundries etc.;
(2) second level: treated that water outlet flows into integrated reciprocal 3 equipment of sewage treatment of turbine cycles for fine fack 2;Using The precipitating muddy water of settling zone 3-3 is promoted to first segment anoxic mud film coupling pond 3-1 water inlet end by air lift muddy water return-flow system 3-4, Enter the first segment anoxic mud film of integrated mud film coupling denitrification and dephosphorization equipment 3 after being mixed together with the pretreatment water outlet of fine fack 2 Pond 3-1 is coupled, the dissolved oxygen that first segment anoxic mud film couples pond 3-1 is 1.0mg/L or less;First segment anoxic mud film couples pond 3- Denitrifying microorganism in 1 carries out anti-nitre using the labile organic compound carbon source in raw water, the nitrate nitrogen in stripping reflux muddy water Change, consumption degradation part COD and BOD, and generate basicity, wherein air lift muddy water reflux ratio is 10%~100%;Sewage enters more After the aerobic mud film coupling pond 3-2 of grade second segment, floating stuffing 3-6, the suspended sludge 3-7 of the aerobic mud film coupling pond 3-2 of second segment With aeration bubbles in the fluidisation movement of turbine reciprocation cycle, the aerobic mud film coupling pond 3-2 dissolved oxygen of second segment is 2.0~4.0mg/L, The aerobic floating stuffing 3- except carbon bacterium, nitrifier, synchronous nitration and denitrification bacterium, aerobic phosphorus absorption bacterium in different classification aerobic zones It on 6, is distributed in dominant microflora, the aerobic heterotroph on floating stuffing 3-6 and suspended active sludge 3-7 is to rest COD, BOD Further degradation, while biomembrane and suspended active sludge are passed through using a large amount of ammonia nitrogens of nitrification degradation on floating stuffing 3-6 Synchronous nitration and denitrification effect removal part total nitrogen, aerobic phosphorus absorption bacterium carry out suction phosphorus, and water outlet enters third section anoxic mud film and couples Pond 3-3;Third section anoxic mud film couples the denitrifying microorganism in the 3-3 of pond using labile organic compound carbon source, the air lift in dirt Nitrate nitrogen in reflux muddy water carries out denitrification, consumption degradation part COD and BOD, and generates basicity, while Denitrifying Phosphate Accumulating Organisms Using nitrate as electron donor, denitrification phosphorus-collecting effect is carried out, water outlet carries out mud-water separation through sedimentation basin 3-4, precipitating Muddy water then passes through air lift muddy water return-flow system 3-5 and flows back into first segment anoxic mud film coupling pond 3-1, and the phosphorous excess sludge in part is logical Cross that H4 pipe is outer to be drained into sludge treating system 9 and handled.By controlling reaction time and dissolved oxygen parameter etc., to guarantee to be somebody's turn to do The crucial outlet effect of equipment: removing the COD that 60%~90% always intakes and makes to be discharged COD < 60mg/L, completes organic nitrogen Ammoniation process;And it removes 40%~80% ammonia nitrogen always intake in water body and makes to be discharged ammonia nitrogen < 20mg/L;
(3) third level: sewage goes out in the water outlet of integrated mud film coupling denitrification and dephosphorization equipment 3 and No. two intermediate water tanks 10 Water enters integrated magnetic-coagulation processing equipment 4;Integrated magnetic-coagulation processing equipment hydraulic detention time is 6~30min, and flow back magnetic Sludge concentration control is 2g/L~12g/L, removes most of total phosphorus (TP), suspended matter (SS), colloid and organic dirt in water body Object is contaminated, water transparency is promoted;Magnetic mixing pit 4-1 dosing coagulant PAC, magnetic flocculation pond adds flocculant PAM, to guarantee that this sets Standby crucial outlet effect: removing the COD that 30%~80% always intakes and makes to be discharged COD < 50mg/L, and removes 90 in water body The total phosphorus of~95% water inlet simultaneously makes to be discharged TP < 0.5mg/L, SS < 10mg/L.Magnetic mud is separated from water unit 4-3, magnetic recycling circulation Sludge treating system 9 is drained into outside system 4-4 treated excess sludge H3 to be handled.
(4) fourth stage: through integrated magnetic-coagulation processing equipment 4, treated that water outlet flows into No.1 intermediate water tank 5, and through two Number elevator pump 6 is promoted to integrated aeration boilogical filter tank 7 and carries out biology aerobic except carbon, nitrification, chemical dephosphorization processing, hydraulic retention Time is 40~80min, and dissolved oxygen is 4.0~6.0mg/L;Under conditions of aerobic, the heterotroph in biomembrane will be in water body Remaining COD removal;Nitrifier on pyrite base biofilter material or the surface weak base base haydite 7-4 in attached biological film passes through nitre It is turned into the removal for being finished into ammonia nitrogen;The change of Phos occurs in microenvironment for pyrite base biofilter material or weak base base haydite 7-4 It learns and reacts and be solidificated in filler surface, form ferric phosphate or hydroxyl bell acid calcium solid, achieve the purpose that synchronous dephosphorization;Through integration After the processing of biological aerated filter 7, the dissolved oxygen in water body is increased dramatically promotion;Integrated clear water reserviors 8 are emitted into after up to standard, The water outlet of integrated 8 inner part of clear water reserviors is used as 11 outlet of water up to standard, part water outlet as backwash raw water, and by F1 pipe into Water;To guarantee the high concentration water inlet (COD and ammonia nitrogen) of the equipment and when low temperature, crucial outlet effect: COD < 30mg/L, ammonia nitrogen < 1.0mg/L, TP < 0.3mg/L, DO > 4mg/L, SS < 10mg/L is discharged up to " water environment quality standard (GB3838-2002) " the quasi- IV class water quality standard of earth's surface.
(5) integrated aeration boilogical filter tank 7 carries out backwash, precipitation using precipitation position backwash method after running 24~72h Position back-flushing method: precipitation position, air purge, the backwash of air water joint, water rinsing time be respectively 0.3~1.5min, 0.8~ 2.5min, 0.8~2.5min, 3.0~9.0min;Air purge intensity, water rinsing intensity are followed successively by 12~25L/m2s, 4~6L/ m2·s。
(6) back-purge system water outlet in precipitation position enters two by F3 pipe by the desliming filtrate of F5 pipe and sludge treating system Number intermediate water tank 10 enters integrated mud film coupling denitrification and dephosphorization equipment 3 after centralized collection and is handled;Sludge treating system 9 Treated moisture content of the cake < 80%, mud cake simultaneously carry out outward transport disposition.
The black and odorous water 0 includes sewage in broken end creek, sewage, tidal channel overflow forebay sewage, black smelly water in pumping plant Body, initial polluted rain water and river, lake, pond, landscape pollution water body.
First order physics pretreatment, second level biological treatment, the processing of third level magnetic-coagulation, the fourth stage are aerated by whole system The materializations at different levels of biofilter, biochemical processing process combine well, system each unit it is meticulous rational design and its mutual group It closes, ensure that the influence of fluctuations that system is not intake by high concentration (COD and ammonia nitrogen), ensure that the basicity adequacy of system (is not necessarily to Additionally congenial alkali), chemical dosing Dephosphorization reagent amount, and the system that can guarantee low temperature environment are reduced using Denitrifying Phosphate Accumulating Organisms dephosphorization Leaving water temperature is up to standard, after the backwash that promotes and ensure that the biological aerated filter under high concentration influent quality and cold environmental conditions Recovery effects are good and convalescence short period, are discharged system up to " water environment quality standard (GB3838-2002) " The quasi- IV class water quality standard of table (COD < 30mg/L, ammonia nitrogen < 1.0mg/L, TP < 0.3mg/L, DO > 4mg/L, SS < 10mg/L); It is strong with capacity of resisting impact load, system stability is strong;Denitrification effect is excellent;The advantages such as low equipment investment, operating cost be low, can It is obviously improved and restores water body to realize ecological water supplement.Meet energy-saving and environment-friendly requirement, realizes social benefit, economic effect well The best unification of benefit and environmental benefit.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to the scope of the present invention It is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical solution of the present invention The various changes and improvements made should all be fallen into the protection scope that claims of the present invention determines.

Claims (13)

1. a kind of fast purification system of black and odorous water is set by No.1 elevator pump, fine fack, integrated mud film coupling denitrogenation dephosphorizing Standby, integrated magnetic-coagulation processing equipment, No.1 intermediate water tank, No. two elevator pumps, integrated aeration boilogical filter tank, integrated clear water Pond is composed in series, and the fast purification system of the black and odorous water further includes sludge treating system, filter back washing system;It is special Sign is: the No.1 elevator pump is connected by sewage water inlet pipe with fine fack import, and fine fack exports and integrated mud film Couple denitrification and dephosphorization equipment import connection;It is described integration mud film coupling denitrification and dephosphorization equipment water outlet by sewage water inlet pipe with Integrated magnetic-coagulation processing equipment water inlet connection;The integrated magnetic-coagulation processing equipment water outlet passes through sewage water inlet pipe Into No.1 intermediate water tank;No. two elevator pumps are filtered with No.1 intermediate water tank, integrated aeration biological respectively into and out of nozzle Pond connection, the integrated aeration boilogical filter tank outlet access integrated clear water reserviors and outlet.
2. the fast purification system of black and odorous water as described in claim 1, it is characterised in that: the integrated mud film coupling Denitrification and dephosphorization equipment further includes having first segment anoxic mud film coupling pond, second segment aerobic mud film coupling pond, third section anoxic mud film Couple pond, sedimentation basin, floating stuffing, suspension activated sludge, air lift muddy water return-flow system;The integrated mud film coupling is de- Nitrogen dephosphorization equipment treating capacity is 200~1000m3/d;Floating stuffing packing ratio is 5~45%;Sludge concentration be 1000~ 4000mg/L, total residence time are 3h~10h, and first segment anoxic mud film couples pond, the aerobic mud film of second segment couples pond, third section The anoxic mud film coupling pond residence time is not less than 0.2h, 2.6h, 0.2h respectively;The air lift muddy water return-flow system is by sedimentation basin The muddy water of precipitating is back to first segment anoxic mud film coupling pond water inlet end, and enters first segment after being mixed together with fine fack water outlet Anoxic mud film couples pond.
3. the fast purification system of black and odorous water as claimed in claim 2, it is characterised in that: the aerobic mud film of the second segment The floating stuffing in pond is coupled in the fluidisation movement of turbine reciprocation cycle;The second segment aerobic mud film coupling pond is multi-stage aerobic Area, the series are 2~5 grades;APG filler or MBBR filler can be used in the floating stuffing.
4. the fast purification system of black and odorous water as described in claim 1, it is characterised in that: at the integrated magnetic-coagulation A length of 9.0~the 16.0m of equipment, a height of 2.8~3.5m are managed, separate unit treating capacity is 1000~20000m3/d;The integrated magnetic Coagulating treatment equipment includes that magnetic mixed cell, magnetic flocculation unit, magnetic mud are separated from water unit, magnetic recovery of circulatory system;Magnetic recycling The magnetic that the circulatory system is separated from water after unit separation magnetic mud is separated and recovered with mud, and the magnetic of recycling enters magnetic mixing pit or magnetic Flocculation basin, the excess sludge of generation enter sludge dewatering system and are handled.
5. the fast purification system of black and odorous water as claimed in claim 4, it is characterised in that: the integration magnetic-coagulation processing Equipment can be mixed for the integrated magnetic-coagulation processing equipment of super disk form or the integrated magnetic of tube settling magnetic clarified separation form Solidifying processing equipment.
6. the fast purification system of black and odorous water as described in claim 1, it is characterised in that: the integrated aeration biological Filter tank ontology further includes distributing water room, water distribution system, supporting layer, the biological filter bed of material, clear water zone, outlet canal, aerating system, precipitation position System, back-purge system;Integrated aeration boilogical filter tank be packaging box-shaped rectangular parallelepiped structure, separate unit treating capacity be 1000~ 5000m3/d。
7. the fast purification system of black and odorous water as claimed in claim 6, it is characterised in that: the biological filter bed of material is Huang Iron ore base biofilter material or weak base base haydite.
8. the fast purification system of black and odorous water as claimed in claim 6, it is characterised in that: the back-purge system is to adopt With the back-purge system of precipitation position back-flushing method, raw water is backwashed using the sewage in clear water reserviors as backwash raw water, backwash Water outlet is discharged into No. two intermediate water tanks;The desliming filtrate of the back-purge system water outlet and sludge treating system passes through in No. two Between enter back into integrated magnetic-coagulation processing equipment after water tank centralized collection and handled.
9. the fast purification system of black and odorous water as described in claim 1, it is characterised in that: a kind of black and odorous water The treatment scale of fast purification system is 1000~50000m3/d。
10. the fast purification system of black and odorous water as described in claim 1, it is characterised in that: the integrated mud film coupling Closing denitrification and dephosphorization equipment, integrated magnetic-coagulation processing equipment, each monomer processing equipment of integrated aeration boilogical filter tank can It is combined by parallel way, improves treatment scale.
11. the fast purification system of black and odorous water as claimed in claim 2, it is characterised in that: the first segment anoxic mud Film coupling pond, second segment aerobic mud film coupling pond, third section anoxic mud film coupling pond, sedimentation basin can be set respectively according to zoned format It is placed in different integrated mud film coupling denitrification and dephosphorization equipments, and tandem compound uses.
12. a kind of processing method of the fast purification system of black and odorous water, which comprises the following steps:
(1) first order: being promoted to fine fack with No.1 elevator pump for black and odorous water to be processed and pre-process, and intercepts and goes to remove water Fibrous material, graininess sundries in body etc.;
(2) second level: treated that water outlet flows into integrated mud film couples denitrification and dephosphorization equipment for fine fack;It is returned using air lift muddy water The precipitating muddy water of settling zone is promoted to first segment anoxic mud film coupling pond water inlet end by streaming system, with fine fack pretreatment water outlet one It rises and couples pond, first segment anoxic mud film coupling into the first segment anoxic mud film of integrated mud film coupling denitrification and dephosphorization equipment after mixing The dissolved oxygen for closing pond is 1.0mg/L or less;First segment anoxic mud film couple the denitrifying microorganism in pond using in raw water can Nitrate nitrogen in degradation of organic substances carbon source, stripping reflux muddy water carries out denitrification, consumption degradation part COD and BOD, and generates alkali Degree, wherein air lift muddy water reflux ratio is 10%~100%;After sewage enters multistage second segment aerobic mud film coupling pond, second segment For the floating stuffing and aeration bubbles in aerobic mud film coupling pond in the fluidisation movement of turbine reciprocation cycle, the aerobic mud film of second segment couples pond Dissolved oxygen is 2.0~4.0mg/L, aerobic except carbon bacterium, nitrifier, synchronous nitration and denitrification bacterium, aerobic phosphorus absorption bacterium are in different points It on floating stuffing in grade aerobic zone, is distributed in dominant microflora, the aerobic heterotroph pair on floating stuffing and suspended active sludge It further degrades to rest COD, BOD, while biomembrane passes through synchronization using a large amount of ammonia nitrogens of nitrification degradation on floating stuffing Nitration denitrification effect removal part total nitrogen, aerobic phosphorus absorption bacterium carry out suction phosphorus, and water outlet enters third section anoxic mud film and couples pond;The Denitrifying microorganism in three sections of anoxic mud films coupling ponds using in dirt labile organic compound carbon source, in stripping reflux muddy water Nitrate nitrogen carries out denitrification, consumption degradation part COD and BOD, and generates basicity, while Denitrifying Phosphate Accumulating Organisms are made using nitrate For electron donor, denitrification phosphorus-collecting effect is carried out, water outlet carries out mud-water separation through sedimentation basin, and the muddy water of precipitating then passes through air lift mud Water return-flow system flows back into first segment anoxic mud film coupling pond, drains at sludge treating system outside the phosphorous excess sludge in part Reason.By controlling reaction time and dissolved oxygen parameter etc., to guarantee the crucial outlet effect of the equipment: removal 60%~ 90% COD always intake simultaneously makes to be discharged COD < 60mg/L, completes the ammoniation process of organic nitrogen;And it removes 40% in water body ~80% ammonia nitrogen always intake simultaneously makes to be discharged ammonia nitrogen < 20mg/L;
(3) third level: sewage enters integration in the water outlet of integrated mud film coupling denitrification and dephosphorization equipment and No. two intermediate water tanks Magnetic-coagulation processing equipment, hydraulic detention time are 6~30min, and reflux magnetic sludge concentration control is 2g/L~12g/L, goes to remove water Most of total phosphorus (TP), suspended matter (SS), colloid and organic pollutant in body promote water transparency;To guarantee the equipment Crucial outlet effect: 30%~80% COD always intake of removal simultaneously makes to be discharged COD < 50mg/L, and remove 90 in water body~ The total phosphorus of 95% water inlet simultaneously makes to be discharged TP < 0.5mg/L, SS < 10mg/L.Magnetic mud is separated from water unit, magnetic recovery of circulatory system Sludge treating system is drained into outside treated excess sludge to be handled;
(4) fourth stage: through integrated magnetic-coagulation processing equipment treated water outlet flow into No.1 intermediate water tank, and through No. two promoted Pump is promoted to integrated aeration boilogical filter tank and carries out that biology aerobic object is aerobic except carbon, nitrification, chemical dephosphorization processing processing, and waterpower stops Staying the time is 40~80min, and dissolved oxygen is 4.0~6.0mg/L;Under conditions of aerobic, heterotroph in biomembrane is by water body In remaining COD removal;Nitrifier on pyrite base biofilter material or weak base base haydite surface in attached biological film passes through nitre It is turned into the removal for being finished into ammonia nitrogen;The chemistry that Phos occurs in microenvironment for pyrite base biofilter material or weak base base haydite is anti- It should and be solidificated in filler surface, ferric phosphate or hydroxyl bell acid calcium solid is formed, achieve the purpose that synchronous chemical dephosphorization;Through integration After biological aerated filter processing, the dissolved oxygen in water body is increased dramatically promotion;Integrated clear water reserviors are emitted into after up to standard, clearly Inner part water outlet in pond is used as water outlet up to standard, and part water outlet is as backwash raw water;To guarantee the crucial water outlet effect of the equipment Fruit: COD < 30mg/L, ammonia nitrogen < 1.0mg/L, TP < 0.3mg/L, DO > 4mg/L, SS < 10mg/L;
(5) integrated aeration boilogical filter tank carries out backwash using precipitation position backwash method, precipitation position is anti-after running 24~72h Purging method: precipitation position, air purge, the backwash of air water joint, water rinsing time are respectively 0.3~1.5min, 0.8~2.5min, 0.8 ~2.5min, 3.0~9.0min;Air purge intensity, water rinsing intensity are followed successively by 12~25L/m2S, 4~6L/m2·s;
(6) after the desliming filtrate of the water outlet of precipitation position back-purge system and sludge treating system is by No. two intermediate water tank centralized collections Integrated mud film coupling denitrification and dephosphorization equipment is promoted to again to be handled;Sludge treating system treated moisture content of the cake < 80%, mud cake simultaneously carries out outward transport disposition.
13. the processing method of the fast purification system of black and odorous water as claimed in claim 12, it is characterised in that: described is black Smelly water body include sewage in broken end creek, in pumping plant sewage, tidal channel overflow forebay sewage, black and odorous water, initial polluted rain water with And river, lake, pond, landscape pollution water body.
CN201910442706.6A 2019-05-25 2019-05-25 A kind of the fast purification system and its processing method of black and odorous water Pending CN110040917A (en)

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