CN105585215A - Multiphase circulation integrated sewage treatment process - Google Patents

Multiphase circulation integrated sewage treatment process Download PDF

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Publication number
CN105585215A
CN105585215A CN201511025606.1A CN201511025606A CN105585215A CN 105585215 A CN105585215 A CN 105585215A CN 201511025606 A CN201511025606 A CN 201511025606A CN 105585215 A CN105585215 A CN 105585215A
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China
Prior art keywords
sewage
heterogeneous
treatment process
corrugated
sewage treatment
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CN201511025606.1A
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CN105585215B (en
Inventor
张亚雷
郑阳华
魏振
龚本涛
沈峥
陈时俊
褚华强
郑阳波
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SHANGHAI HUALIZHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Tongji University
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SHANGHAI HUALIZHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Tongji University
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Publication of CN105585215A publication Critical patent/CN105585215A/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
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes
    • 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
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis
    • 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
    • C02F3/02Aerobic processes

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention provides a multiphase circulation integrated sewage treatment process. The process comprises steps as follows: step one, domestic sewage enters an oil-separating septic tank, and the septic tank is provided with multiple sections; step two, the domestic sewage is subjected to sedimentation and enters a multiphase circulation biological tank through a drum type grid, an umbrella-shaped aeration and extraction device upwards extracts the sewage below corrugated biological filler in the multiphase circulation biological tank to the position above the corrugated biological filler for umbrella-shaped aeration, the sewage flows through the corrugated biological filler from top to bottom, then the sewage flows to the position below the corrugated biological filler and is upwards extracted by the umbrella-shaped aeration and extraction device again, and the circulation is repeated; step three, after the circulation in the step two is performed for a preset period of time, the sewage enters a vertical fiber cloth filtering tank, and the sewage enters the vertical fiber cloth filtering tank from two sides of two pieces of W-shaped filter cloth arranged in parallel, is filtered through the filter cloth, then is converged between the two pieces of the filter cloth and is discharged from a filtered water discharge port. According to the multiphase circulation integrated sewage treatment process, the amount of produced sludge is small, and the property is stable.

Description

Heterogeneous circular integration sewage treatment process
Technical field
The present invention relates to a kind of heterogeneous circular integration sewage treatment process, belong to sewage treatment area.
Background technology
Economical fast-developing in, rural environmental pollution problem is outstanding day by day. China rural areaThe major pollutants quantity producing has accounted for national half. Aspect sanitary sewage disposal, completeState rural area produces approximately more than 80 hundred million tons of sanitary sewages every year, and 96% village do not have discharge conduit andSewage disposal system, sanitary sewage arbitrarily discharges. Undressed sanitary sewage discharges wantonly, tightHeavily contaminated the ecological environment in rural area, the healthy and rural area that directly threatens the vast farmers massesEconomic development.
The sewage disposal system in some villages is not yet set up at present, and the sewage of collection enters river course in village,Contaminant water ecological environment, has proposed acid test to building beautiful livable rural target.
It is unstable that the sewage in rural area has discharge capacity, and some period amount is large, and some period is measured little spyPoint.
In addition, it is many that the sewage in rural area also has large volume foreign material, the feature that greasy dirt is many. Especially oneCarry out a bit the village of the diet tourism projects such as Peasants Joy, because culinary art is more, the therefore sewage of dischargeGreasy dirt is more.
Therefore, in the mud that country sewage forms afterwards in processing, can contain more organic matter, rearIn the process of continuous Sludge landfill, organic anaerobic fermentation can produce a large amount of gas, causes mudUnstable, cause trouble to subsequent treatment. Meanwhile, the mud that content of organics is high, itselfVolume and weight is larger, causes the sludge output in sewage disposal process larger, has improved cleaning and fortuneDefeated cost.
Summary of the invention
The object of the present invention is to provide a kind of heterogeneous circular integration sewage treatment process, to solveThe problems referred to above.
The present invention has adopted following technical scheme:
A kind of heterogeneous circular integration sewage treatment process, is characterized in that, comprises the steps:
Step 1, sanitary sewage enters oil removal septic tank, and described oil removal septic tank has multistage, rawThe sewage of living passes through each section of oil removal septic tank successively, carries out particle precipitation;
Step 2, sanitary sewage enters heterogeneous circulating biological pond, umbrella through cartridge type grid after precipitationThe expose to the sun below of air-lift device corrugated biologic packing material from heterogeneous circulating biological pond by sewage is upwards carriedTo the top of corrugated biologic packing material, carry out umbrella aeration, the sewage corrugated of flowing through is from top to bottom rawThing filler, the microorganism in corrugated biologic packing material is decomposed the organic matter in sewage, then effluent streamTo the below of described corrugated biologic packing material, again upwards extracted by the umbrella air-lift device that exposes to the sun, so pastMultiple circulation;
Step 3, is carrying out after the step 2 of the scheduled time, and sewage enters vertical fiber cloth filter tank,Sewage enters from the both sides of the filter cloth of two W shapes being arranged side by side, after filter-cloth filtering, twoIn the middle of piece filter cloth, collect, then discharged by water outlet after filter.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature: wherein, in step 2, every the scheduled time, dirt at the bottom of the pond in heterogeneous circulating biological pondMud is sucked out, and is again discharged in the oil removal septic tank of front end, again carries out anaerobic fermentation.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature: wherein, in step 3, every the scheduled time, the mud in vertical fiber cloth filter tankAgain be transported in the oil removal septic tank of front end, again carried out anaerobic fermentation.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature: wherein, described oil removal septic tank has three sections, has H shape mistake between adjacent two sectionsAquaporin, sewage, successively through three sections of oil removal septic tanks, precipitates particle wherein step by step.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature: described cartridge type grid has grid body and scraping blade, attached when drawing together dirt on grid bodyWhile too much, scrape tablet and move back and forth on grid body, strike off dirt.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature, also comprise: use the dredging tube matching with the shape of described filter cloth to inhale filter clothThe step of mud.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature, also comprise: above oil removal septic tank, use breather pipe by oil removal septic tankThe step that gas is discharged.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature, also comprise: above vertical fiber cloth filter tank, use breather pipe by oil removal septic tankIn gas discharge step.
Further, heterogeneous circular integration sewage treatment process of the present invention, can also have like thisFeature: wherein, the dirt at the bottom of the pond in heterogeneous circulating biological pond described in air-lift device and sucking-off of exposing to the sun of described umbrellaThe device of mud shares an air blast as power resources.
The beneficial effect of the invention
According to heterogeneous circular integration sewage treatment process of the present invention, due to umbrella expose to the sun air-lift device willCorrugated biology is upwards mentioned in the below of the corrugated biologic packing material of sewage from heterogeneous circulating biological pondThe top of filler, carries out umbrella aeration, the sewage corrugated biologic packing material of flowing through from top to bottom, rippleMicroorganism in shape biologic packing material is decomposed the organic matter in sewage, and then effluent stream is to described corrugatedThe below of biologic packing material, is upwards extracted by the umbrella air-lift device that exposes to the sun again, and so forth circulation. Therefore,In aeration, sewage is downward through corrugated biologic packing material layer, in aeration by rippleMicroorganism in shape biologic packing material layer is decomposed, like this, in heterogeneous circulating biological pond, forms,Gas phase, the circulation of liquid phase and solid phase, in a treatment pond, sewage is through gas phase, and liquid phase is with solidThe integrated treatment of phase, has improved the efficiency of sewage disposal greatly.
In addition, owing to also comprising heterogeneous circulating biological pond and vertical fiber cloth filter tank in sewage disposalThe mud producing in process returns in the oil removal septic tank of mentioning front end and again carries out anaerobic reaction, like thisJust reduced greatly the output of mud, simultaneously a large amount of minimizings contained organic matter in mudComposition, for the follow-up landfill disposal to mud has reduced trouble, achieves many things at one stroke.
In addition, in oil removal septic tank, there is cartridge type grid, be arranged on and enter many from oil removal septic tankThe pipeline place in phase circulating biological pond, cartridge type grid comprises grid body and is enclosed within scraping on grid bodyTablet, when the amount of contaminants of adhering on grid body is larger, affect current by time, scraping tablet canOn grid body, move back and forth, the dirt being attached on grid body is wiped off.
Brief description of the drawings
Fig. 1 is the top view of heterogeneous circular integration sewage disposal device;
Fig. 2 is the cutaway view of heterogeneous circular integration sewage disposal device;
Fig. 3 is the structural representation in heterogeneous circulating biological pond;
Fig. 4 is the structural representation of corrugated biologic packing material;
Fig. 5 is the structural representation of cartridge type grid;
Fig. 6 is the structural representation in vertical fiber cloth filter tank;
Fig. 7 is the schematic diagram of the single filter element in vertical fiber cloth filter tank;
Fig. 8 is the position relationship schematic diagram of dredging tube and filter cloth;
Fig. 9 is the flow chart of heterogeneous circular integration sewage treatment process of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, heterogeneous circular integration sewage disposal device comprises: oil removal septic tank 10;Heterogeneous circulating biological pond 20, and vertical fiber cloth filter tank 30.
As depicted in figs. 1 and 2, oil removal septic tank 10 is syllogic, between adjacent two sections, hasThe aquaporin 11 excessively of H shape, because oil ratio water is light, therefore greasy dirt can float over the upper strata of sewage, crosses waterThe lower end of passage 11 is immersed in water layer, therefore only has water to enter into by the aquaporin of crossing of H shapeAmong next section of oil removal septic tank. Oil removal septic tank 10 carries out water-oil separating, particle precipitation and detestsAerobe fermentation.
In the final stage of oil removal septic tank 10, the position being connected with heterogeneous circulating biological pond 20Put, be provided with cartridge type grid 12. As shown in Figure 5, cartridge type grid 12 comprises grid body 121,Scrape tablet 122 and pull bar 123, scrape tablet 122 for circular, be enclosed within cartridge type grid body 121Outside, more when the sludge accumulation on cartridge type grid body 121 surfaces, affect current by time, onUnder pull pull bar 123, make to scrape tablet 122 and do reciprocal fortune on the surface of cartridge type grid body 121Move, scrape off the surperficial mud of cartridge type grid body 121. Oil removal septic tank 10 and heterogeneous circulation are rawThing filter tank all has blast pipe 13.
Sewage enters oil interceptor, after three grades of oil removals, enters next processing unit. This oil interceptorCan be used as again septic tank, anaerobic degradation part COD, the BOD loading of reduction subsequent biological treatment.Oil interceptor must regularly be dragged for clearly surperficial vegetable and animals oils, according to food and drink situation, within 1-7 days, drags for clearly once,And the mud of bottom is drawn clearly once half a year to one year.
As shown in Figures 2 and 3, heterogeneous circulating biological pond 20 has umbrella expose to the sun air-lift device 21, rippleLine shape biologic packing material layer 22, and discharge pipeline 25 intermittently.
The internal structure of corrugated biologic packing material layer 22 as shown in Figure 4, corrugated biologic packing material layer22 have the filler plate 221 of multiple inclinations, have zigzag depression, for micro-life on filler plate 221Thing adheres to. In the time that sewage is flowed through filler plate from the top down, the particle of sewage inside enters filler plateIn 221 depression, the microorganism wherein being adhered to is decomposed. The angle of filler plate and horizontal plane is70 °, increase the iris action to water, particle is more easily deposited for bacterium and decompose. At itIn its embodiment, the angle of filler plate and horizontal plane can become in the scope of 65 °~75 °Moving.
Between at the bottom of the pond in the bottom of corrugated biologic packing material layer 22 and heterogeneous circulating biological pond, leave skyGap.
As shown in Figures 2 and 3, the umbrella air-lift device 21 that exposes to the sun has stripping tube 26 and umbrella and exposes to the sun 211,Umbrella 211 tops that are arranged on corrugated biologic packing material layer 22 of exposing to the sun, stripping tube 26 is raw from corrugatedAmong thing packing layer 22, pass, below corrugated biologic packing material layer 22 with gap at the bottom of pondOpening, fetches water. Like this, above sewage rises to below corrugated biologic packing material layer 22,Expose to the sun while carrying out aeration at umbrella, the top-down corrugated biologic packing material layer 22 of flowing through of sewage, oxygen contentHigh sewage is decomposed by the microorganism in corrugated biologic packing material layer 22.
Corrugated biologic packing material and above-mentioned aeration mode, have the following advantages:
By the gas stripping of aerating pipelines, by the sewage lifting at the bottom of pond in air, make sewage withAir mixes, and forms secondary aeration, increases aeration rate;
By gas stripping, sewage is risen in air by bottom, then falls and gets back to sewage disposalIn system, this process is carried out repeatedly, forms an internal circulation system, has increased sewage and at aeration has beenThe time of staying in system, the COD in the abundant degradation of sewage of microorganism, improves wastewater treatment efficiency.
In heterogeneous circulating biological pond 20, also there is air lift mud discharging device 25, by heterogeneous circulating biological pondThe mud of bottom extracts and returns and drains in oil removal septic tank 10, carries out anaerobic digestion again, withFurther reduce the content of organics in mud, reduce on the one hand the growing amount of mud, on the other handContent of organics in final mud of discharging is significantly declined, make the later stage carry out landfill to mudWhen processing, the gas production of mud reduces, and mud is more stable.
Umbrella air-lift device and the air lift mud discharging device 25 that expose to the sun shares an air blast as power resources.
The lower end of air lift mud discharging device 25 extend in sludge hopper 27, and the height of sludge hopper is lower than rippleAt the bottom of pond below line shape biologic packing material layer, so that mud is built up.
The main purpose in heterogeneous circulating biological pond 20 is degradation COD, BOD, and denitrogenation dephosphorizing.
As shown in Fig. 6, Fig. 7, Fig. 8, in vertical fiber cloth filter tank 30, if filter comprisesDry regularly arranged filter element, filter element comprises filter frame 210, filter cloth 220 and filter cloth support230, filter frame 210 is grid-like frameworks of hollow, and above-mentioned hollow grid shape framework inside connects in length and breadthLogical Zhi Guanbi is provided with the drainage hole of some regular distribution, above-mentioned hollow grid shape base of frameBe provided with the rear water outlet 212 of filter. Filter cloth support 230 is " W " shape corrugated filter screens, filter cloth 220Closely be laid on above-mentioned " W " shape corrugated filter screen, filter frame 210, filter cloth 220 and filter cloth prop upHydrospace after the filter of frame 230 composition sealing, after the filter in above-mentioned space water successively through drainage hole,Hollow grid shape framework is inner enters filter Hou Shui doab with the rear water outlet 212 of filter.
Back purge system comprises driving power set and backwash negative pressure piping, driving power set bagDraw together driving platform 311, be arranged on the running rail on the relative dual-side of sewage diposal area upper opening312, be arranged on the traveling motor 313 on driving platform 311, driving platform 311 bottoms are provided with somePower transmission shaft 314, power transmission shaft 314 two ends are respectively equipped with roller 315, and traveling motor 313 is with above-mentionedOne in some power transmission shafts 314 is in transmission connection by driving-chain, and traveling motor 313 drives drivingPlatform 311 moves back and forth along running rail 312 by roller 315. Backwash negative pressure piping comprises suctionDredge pump 321, dredging tube 322, cleaning house steward 323, cleaning tube connector 324 and " W " shape rippleShape dredging tube 325, is arranged on the dredge pump 321 on driving platform 311 and cleans house steward 323 closeEnvelope is communicated with, and cleans tube connector 324 one end and is communicated with cleaning house steward 323 sealings, cleans tube connector324 other ends are communicated with dredging tube 325 middle part sealings, " W " shape corrugated dredging tube 325Backwash end has inhales mud seam mouth 326, inhales mud seam mouth 326 and is laid on above-mentioned " W " shape rippleFilter cloth 220 on shape filter screen is pressed close to coordinate. Dredging tube 325 is total by attaching parts 327 and cleaningManaging the downward extended gripper shoe of 323 outer wall is fixedly connected with. Driving platform 311 drives backwash negative pressurePiping is mobile along filter cloth 220 surfaces by inhaling mud seam mouth 326, inhales mud seam mouth 326 by filter clothThe impurity particle on 220 surfaces is successively by cleaning tube connector 324, cleaning house steward 323 and dredging tube322 suctions are discharged.
In addition, in vertical fiber filtering cloth filtering pool 30, there is discharge pipeline, the mud under washing is returned to rowIn oil removal septic tank, carry out anaerobic digestion again, further to reduce organic in mudThing content.
As shown in Figure 9, heterogeneous circular integration sewage treatment process comprises the steps:
Step S101, sanitary sewage enters oil removal septic tank, and described oil removal septic tank has multistage,Sanitary sewage passes through each section of oil removal septic tank successively, carries out water-oil separating, particle precipitation and detestsAerobe fermentation;
Step S102, sanitary sewage enters heterogeneous circulating biological pond through cartridge type grid after precipitation;The umbrella air-lift device that exposes to the sun is upwards mentioned corrugated biologic packing material by sewage from the below of corrugated biologic packing materialTop, carry out umbrella aeration, the sewage corrugated biologic packing material of flowing through from top to bottom, corrugated is rawMicroorganism in thing filler is decomposed the organic matter in sewage, and then effluent stream is to described corrugated biologyThe below of filler, is upwards extracted by the umbrella air-lift device that exposes to the sun again, and so forth circulation;
Step S103, is carrying out after the step S102 of the scheduled time, and sewage enters vertical fiberCloth filter tank, sewage enters from the both sides of the filter cloth of two W shapes being arranged side by side, through filter-cloth filteringAfter, in the middle of two blocks of filter clothes, collect, then discharged by water outlet after filter.
Step S105, every the scheduled time, the pool bottom sludge in heterogeneous circulating biological pond is sucked out, andAgain be discharged in the oil removal septic tank of front end, again carry out anaerobic fermentation.
Step S104, every the scheduled time, the mud in vertical fiber cloth filter tank is transported to againIn the oil removal septic tank of front end, again carry out anaerobic fermentation. As shown in Figure 1, vertical fiber cloth filterMud in pond comprises that filter cloth is carried out to backwash sweeps away the mud coming by filter tank backwash drainpipe 330Again be transported in the oil removal septic tank of front end.
In step S102, also there is the upwards step of aeration of below by corrugated biologic packing material.
The scheduled time of mentioning in each step above, all to carry out amount according to sewage, and in sewageThe content of organic matter and mud determines, under normal circumstances, pool bottom sludge runs up to needs go back to row instituteThe time needing is at 17-30 days.
Behind heterogeneous circulating biological pond 20, water outlet, except bacterium, germ, suspension, reaches substantiallyTo the standard of " urban wastewater treatment firm pollutant emission standard " one-level A, then enter vertical fibreDimension filtering cloth filtering pool, the suspension in main further reduction sewage, and remove portion slightly solubilityCOD, ammonia nitrogen, total phosphorus etc., and (active ingredient is that trichlorine is different in filter tank, to put into the chlorine tablets of slow molten typeCyanuric acid or dichlord isocyanurice acid) sterilization, guarantee that water outlet conventional index all reaches the standard of one-level A.
Be that aeration tank and sedimentation basin are built jointly as the heterogeneous circulating biological filter tank in main reaction pond, with biologyContact oxidation method is compared, and has reduced second pond, compact conformation. In main reaction pond, mud is regularly drawn clearly.It is extremely low that this apparatus sewage sludge produces mud, draws clearly frequency and can be low to moderate annually, even for many years spoil disposal not.
By the gas stripping of aerating pipelines, by the sewage lifting at the bottom of pond in air, make sewage withAir mixes, and forms secondary aeration, increases aeration rate.
The sewage of rural area discharge is in the majority with food and drink class sewage, must remove the grease class in decontaminated water, otherwiseAffect follow-up biofilm and biodegradation. Sewage enters oil interceptor, after three grades of oil removals, entersEnter next processing unit. This oil interceptor can be used as again septic tank, and anaerobic degradation part COD reducesThe BOD loading of subsequent biological treatment. Oil interceptor must regularly be dragged for clearly surperficial vegetable and animals oils, according to mealDrink situation, within 1-7 days, drag for once clearly, and the mud of bottom is drawn clearly once half a year to one year.
Heterogeneous circulating biological pond is main treatment pond, and main purpose is degradation COD, BOD, and denitrogenation removesPhosphorus.
The comparison of technique and other technique is buried at table 1 sewage of the present invention place
According to the comparison of each technique in his-and-hers watches 1, although the initial outlay of heterogeneous circulating sewage treatment facilityRelatively other technique is higher, but in later maintenance, maintenance, operation stability, above operating cost,There is greatly the not available advantage of other technique.

Claims (9)

1. a heterogeneous circular integration sewage treatment process, is characterized in that, comprises the steps:
Step 1, sanitary sewage enters oil removal septic tank, and described oil removal septic tank has multistage,Sanitary sewage passes through each section of oil removal septic tank successively, carry out water-oil separating, particle precipitation andAnaerobic fermentation;
Step 2, sanitary sewage enters heterogeneous circulating biological pond through cartridge type grid after precipitation,The expose to the sun below of air-lift device corrugated biologic packing material from heterogeneous circulating biological pond by sewage of umbrellaUpwards mention the top of corrugated biologic packing material, carry out umbrella aeration, sewage is flowed through from top to bottomCorrugated biologic packing material, the microorganism in corrugated biologic packing material is decomposed the organic matter in sewage,Then effluent stream, to the below of described corrugated biologic packing material, is exposed to the sun air-lift device upwards by umbrella againExtract, and so forth circulation;
Step 3, is carrying out after the step 2 of the scheduled time, and sewage enters vertical fiber cloth filter tank,Sewage enters from the both sides of the filter cloth of two W shapes being arranged side by side, after filter-cloth filtering,In the middle of two blocks of filter clothes, collect, then discharged by water outlet after filter.
2. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that:
Every the scheduled time, the pool bottom sludge in heterogeneous circulating biological pond is sucked out, and discharge againIn the oil removal septic tank of front end, again carry out anaerobic fermentation.
3. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that:
Every the scheduled time, the mud in vertical fiber cloth filter tank be again transported to front end everyIn oiling manure pit, again carry out anaerobic fermentation.
4. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that:
Wherein, described oil removal septic tank has three sections, has H shape and cross water between adjacent two sectionsPassage, sewage through three sections of oil removal septic tanks, carries out water-oil separating, solids precipitation and detests successivelyAerobe fermentation.
5. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that:
Described cartridge type grid has grid body and scraping blade, when the dirt of drawing together on grid body adheres toToo much time, scrape tablet and move back and forth on grid body, strike off dirt.
6. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that,Also comprise:
The step that uses the dredging tube matching with the shape of described filter cloth filter cloth to be inhaled to mud.
7. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that,Also comprise:
Above oil removal septic tank, use breather pipe that the gas in oil removal septic tank is dischargedStep.
8. heterogeneous circular integration sewage treatment process as claimed in claim 1, is characterized in that,Also comprise:
Above vertical fiber cloth filter tank, use breather pipe by the gas row in oil removal septic tankThe step going out.
9. heterogeneous circular integration sewage treatment process as claimed in claim 2, is characterized in that:
Wherein, the described umbrella pool bottom sludge in heterogeneous circulating biological pond described in air-lift device and sucking-off that exposes to the sunDevice share an air blast as power resources.
CN201511025606.1A 2015-12-30 2015-12-30 Multiphase circular integration sewage treatment process Active CN105585215B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108409035A (en) * 2018-03-16 2018-08-17 同济大学 A kind of multiphase circular integration sewage disposal system for the processing of lavatory fecaluria
CN111592182A (en) * 2020-05-22 2020-08-28 江苏中车环保设备有限公司 Household domestic sewage treatment system and method
CN112723664A (en) * 2020-12-16 2021-04-30 石家庄市源生园环保有限公司 Biological and ecological combined sewage treatment system and sewage treatment method

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JP2010142692A (en) * 2008-12-16 2010-07-01 Fukuoka Univ Leachate treatment method and equipment in waste disposal site
CN102260026A (en) * 2011-06-29 2011-11-30 无锡强工机械工业有限公司 Life miscellaneous wastewater biochemical treatment device
CN203613071U (en) * 2013-11-28 2014-05-28 厦门嵩湖环境技术开发有限公司 Sewage treatment device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010142692A (en) * 2008-12-16 2010-07-01 Fukuoka Univ Leachate treatment method and equipment in waste disposal site
CN102260026A (en) * 2011-06-29 2011-11-30 无锡强工机械工业有限公司 Life miscellaneous wastewater biochemical treatment device
CN203613071U (en) * 2013-11-28 2014-05-28 厦门嵩湖环境技术开发有限公司 Sewage treatment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108409035A (en) * 2018-03-16 2018-08-17 同济大学 A kind of multiphase circular integration sewage disposal system for the processing of lavatory fecaluria
CN111592182A (en) * 2020-05-22 2020-08-28 江苏中车环保设备有限公司 Household domestic sewage treatment system and method
CN112723664A (en) * 2020-12-16 2021-04-30 石家庄市源生园环保有限公司 Biological and ecological combined sewage treatment system and sewage treatment method

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