CN105585215B - Multiphase circular integration sewage treatment process - Google Patents

Multiphase circular integration sewage treatment process Download PDF

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Publication number
CN105585215B
CN105585215B CN201511025606.1A CN201511025606A CN105585215B CN 105585215 B CN105585215 B CN 105585215B CN 201511025606 A CN201511025606 A CN 201511025606A CN 105585215 B CN105585215 B CN 105585215B
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China
Prior art keywords
multiphase
sewage
filter
corrugated
oil removal
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CN201511025606.1A
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CN105585215A (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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Priority to CN201511025606.1A priority Critical patent/CN105585215B/en
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 present invention provides a kind of multiphase circular integration sewage treatment process, including:Step 1, sanitary sewage enter oil removal septic tank, and oil removal septic tank has multistage;Step 2, sanitary sewage enters multiphase circulating biological pond by cartridge type grid after precipitation, umbrella exposes the top that air-lift device mentions sewage from the lower section of the corrugated biologic packing material in multiphase circulating biological pond corrugated biologic packing material upwards, carry out umbrella aeration, sewage flows through corrugated biologic packing material from top to bottom, then sewage flow to the lower section of corrugated biologic packing material, and exposing air-lift device by umbrella again is drawn up, and and so on circulates;Step 3, two carry out the scheduled time the step of after, sewage enters vertical fiber cloth filter tank, and sewage enters from the both sides of the filter cloth for the two panels W shapes being arranged side by side, after filter-cloth filtering, collects among two blocks of filter clothes, then discharged by water after filter outlet.Sludge quantity is few caused by the present invention, and property is stable.

Description

Multiphase circular integration sewage treatment process
Technical field
The present invention relates to a kind of multiphase circular integration sewage treatment process, belong to sewage treatment area.
Background technology
While the fast development of economy, rural environmental pollution problem is outstanding day by day.It is main caused by China rural area Amount of pollutants has accounted for the half in the whole nation.In terms of sanitary sewage disposal, national rural area produces sanitary sewage about more than 80 every year Hundred million tons, and 96% village does not have discharge conduit and sewage disposal system, sanitary sewage arbitrarily discharges.Undressed life is dirty Water discharges wantonly, seriously pollutes the ecological environment in rural area, directly threatens health and the rural area of the vast farmerses masses Economic development.
The sewage disposal system in some villages is not yet established at present, and the sewage of collection is discharged into river course in village, pollutes Ecology Environment, acid test is proposed to building beautiful livable rural target.
The sewage in rural area has the characteristics of discharge capacity is unstable, and some periods amount is big, and some periods amount is small.
In addition, the sewage in rural area also has the characteristics of large volume debris is more, and greasy dirt is more.Especially some carry out Peasants Joy etc. The village of diet tourism project, it is more due to cooking, therefore the sewage greasy dirt discharged is more.
Therefore in the sludge that country sewage is formed after treatment, more organic matters can be contained, in follow-up Sludge landfill During, the anaerobic fermentation of organic matter can produce substantial amounts of gas, cause the unstable of sludge, and trouble is caused to subsequent treatment. Meanwhile the sludge that content of organics is high, the volume and weight of itself is larger, causes the sludge output in sewage disposal process larger, Improve the cost of cleaning and transport.
The content of the invention
It is an object of the invention to provide a kind of multiphase circular integration sewage treatment process, to solve the above problems.
Present invention employs following technical scheme:
A kind of multiphase circular integration sewage treatment process, it is characterised in that comprise the following steps:
Step 1, sanitary sewage enter oil removal septic tank, and the oil removal septic tank has multistage, and sanitary sewage passes through successively Each section of oil removal septic tank, carry out particulate matter precipitation;
Step 2, sanitary sewage enter multiphase circulating biological pond by cartridge type grid after precipitation, and umbrella exposes air-lift device will Sewage mentions the top of corrugated biologic packing material from the lower section of the corrugated biologic packing material in multiphase circulating biological pond upwards, carries out Umbrella is aerated, and sewage flows through corrugated biologic packing material from top to bottom, in the microorganism decomposition sewage in corrugated biologic packing material Organic matter, then sewage flow to the lower section of the corrugated biologic packing material, again by umbrella expose air-lift device be drawn up, so it is past Multiple circulation;
Step 3, two carry out the scheduled time the step of after, sewage enters vertical fiber cloth filter tank, and sewage is from being arranged side by side Two panels W shapes filter cloth both sides enter, after filter-cloth filtering, collect among two blocks of filter clothes, then discharged by water after filter Mouth discharge.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that:Wherein, In step 2, at predetermined time intervals, the pool bottom sludge in multiphase circulating biological pond is sucked out, and is discharged into the oil removal of front end again In septic tank, anaerobic fermentation is carried out again.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that:Wherein, In step 3, at predetermined time intervals, the sludge in vertical fiber cloth filter tank is again fed in the oil removal septic tank of front end, Anaerobic fermentation is carried out again.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that:Wherein, The oil removal septic tank has H-shaped water passage between having three sections, adjacent two sections, and sewage passes through three sections of oil removal excrement successively Pond, particulate matter therein is precipitated step by step.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that:The cylinder Formula grid has grid body and scraping blade, when include the dirt on grid body attachment it is excessive when, it is past on grid body to scrape tablet Multiple motion, strikes off dirt.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that, also wrap Include:The step of dredging tube to be matched using the shape with the filter cloth carries out suction mud to filter cloth.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that, also wrap Include:In the top of oil removal septic tank, the step of using breather pipe, the gas in oil removal septic tank is discharged.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that, also wrap Include:In the top in vertical fiber cloth filter tank, the step of using breather pipe, the gas in oil removal septic tank is discharged.
Further, multiphase circular integration sewage treatment process of the invention, can also have the feature that:Wherein, The device that the umbrella exposes pool bottom sludge of the air-lift device with suctioning out the multiphase circulating biological pond shares an air blower as dynamic Power source.
The beneficial effect of invention
According to the multiphase circular integration sewage treatment process of the present invention, sewage is followed from multiphase because umbrella exposes air-lift device The top of corrugated biologic packing material is mentioned in the lower section of corrugated biologic packing material in ring biological tank upwards, carries out umbrella aeration, dirty Water flows through corrugated biologic packing material from top to bottom, the organic matter in microorganism decomposition sewage in corrugated biologic packing material, then Sewage flow to the lower section of the corrugated biologic packing material, and exposing air-lift device by umbrella again is drawn up, and and so on circulates.Cause This, while aeration, sewage is downward through corrugated biologic packing material layer, by corrugated biologic packing material layer while aeration Microorganism decomposition, so, in multiphase circulating biological pond, form, gas phase, the circulation of liquid phase and solid phase, one processing Chi Zhong, sewage pass through gas phase, the integrated treatment of liquid phase and solid phase, substantially increase the efficiency of sewage disposal.
Further, since also include by multiphase circulating biological pond and vertical fiber cloth filter tank in sewage disposal process caused by Sludge returns in the oil removal septic tank for mentioning front end and carries out anaerobic reaction again, thus greatly reducing the yield of sludge, together When largely reduce in sludge contained organic components, subsequently to reduce trouble to the landfill disposal of sludge, at one stroke More.
In addition, having cartridge type grid in oil removal septic tank, it is arranged on from oil removal septic tank and enters multiphase circulating biological pond Pipeline at, cartridge type grid includes grid body and is enclosed on grid body and scrapes tablet, when the dirt adhered on grid body Measure it is larger, influence current by when, scraping tablet can move back and forth on grid body, the dirt that will be attached on grid body Wipe off.
Brief description of the drawings
Fig. 1 is the top view of multiphase circular integration sewage disposal device;
Fig. 2 is the sectional view of multiphase circular integration sewage disposal device;
Fig. 3 is the structural representation in multiphase 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 the multiphase circular integration sewage treatment process of the present invention.
Embodiment
Illustrate the embodiment of the present invention below in conjunction with accompanying drawing.
As shown in figure 1, multiphase circular integration sewage disposal device includes:Oil removal septic tank 10;Multiphase circulating biological pond 20, and vertical fiber cloth filter tank 30.
As depicted in figs. 1 and 2, oil removal septic tank 10 is three-stage, has the water passage of H-shaped between adjacent two sections 11, because oil is lighter than water, therefore greasy dirt can float over the upper strata of sewage, and the lower end of water passage 11 is immersed in water layer, therefore only Water can be entered among next section of oil removal septic tank by the water passage of H-shaped.Oil removal septic tank 10 carry out water-oil separating, Grain thing precipitation and anaerobic fermentation.
In the final stage of oil removal septic tank 10, the position that is connected with multiphase circulating biological pond 20 is provided with cartridge type Grid 12.As shown in figure 5, cartridge type grid 12 includes grid body 121, tablet 122 and pull bar 123 are scraped, scrapes tablet 122 as circle Shape, the outside of cartridge type grid body 121 is enclosed on, when the sludge accumulation on the surface of cartridge type grid body 121 is more, influences current and pass through When, pull bar 123 is pulled up and down so that is scraped tablet 122 and is moved reciprocatingly on the surface of cartridge type grid body 121, scrapes off cartridge type lattice The sludge on the surface of grid body 121.Oil removal septic tank 10 and multiphase circulating biological filter tank are respectively provided with blast pipe 13.
Sewage enters oil interceptor, after three-level oil removal, into next processing unit.The oil interceptor can be used as excrement again Pond, anaerobic degradation part COD, reduce the BOD loading of subsequent biological treatment.Oil interceptor must periodically drag for the vegetable and animals oils on surface clearly, According to food and drink situation, drag for once clearly within 1-7 days, and the sludge of bottom, then half a year drawn once clearly by 1 year.
As shown in Figures 2 and 3, there is umbrella to expose air-lift device 21, corrugated biologic packing material layer 22 in multiphase circulating biological pond 20, And interval discharge pipeline 25.
The internal structure of corrugated biologic packing material layer 22 is as shown in figure 4, corrugated biologic packing material layer 22 has multiple inclinations Filler plate 221, there is on filler plate 221 zigzag depression, adhere to for microorganism.When sewage flows through filler plate from the top down When, the particulate matter inside sewage enters in the depression of filler plate 221, the microorganism decomposition wherein adhered to.Filler plate and level The angle in face is 70 °, adds the iris action to water so that particulate matter is more easy to deposition and decomposed for bacterium.Implement in others In mode, the angle of filler plate and horizontal plane can change in the range of 65 °~75 °.
Space is left between the bottom of corrugated biologic packing material layer 22 and the bottom of pond in multiphase circulating biological pond.
As shown in Figures 2 and 3, umbrella exposes air-lift device 21, and there is stripping tube 26 and umbrella to expose first 211, and umbrella exposes first 211 and is arranged on The top of corrugated biologic packing material layer 22, stripping tube 26 are passed through among corrugated biologic packing material layer 22, filled out in corrugated biology The lower section of the bed of material 22 and the gap opening of bottom of pond, are fetched water.So, sewage carries below corrugated biologic packing material layer 22 It is raised to above, when umbrella is aerated, sewage is top-down to flow through corrugated biologic packing material layer 22, the high sewage of oxygen content By the microorganism decomposition in corrugated biologic packing material layer 22.
Corrugated biologic packing material and above-mentioned aeration mode, there is advantages below:
By the gas stripping of aerating pipelines, by the sewage lifting of bottom of pond into air, sewage is mixed with air, formed Secondary aeration, increase aeration quantity;
By gas stripping, sewage is risen in air by bottom, is then fallen and is returned in sewage disposal system, the process It is repeated, forms an internal circulation system, add residence time of the sewage in aerating system, microorganism fully degraded is dirty COD in water, improve wastewater treatment efficiency.
Also there is air lift mud discharging device 25 in multiphase circulating biological pond 20, the sludge in multiphase circulating biological bottom of pond portion is extracted And be vented back in oil removal septic tank 10, anaerobic digestion again is carried out, further to reduce the content of organics in sludge, one Aspect reduces the growing amount of sludge, and content of organics is remarkably decreased in the sludge on the other hand finally to discharge so that the later stage When carrying out landfill disposal to sludge, the gas production of sludge is reduced, and sludge is more stable.
Umbrella exposes air-lift device and air lift mud discharging device 25 shares an air blower as power resources.
The lower end of air lift mud discharging device 25 is extend into sludge hopper 27, and the height of sludge hopper is less than corrugated biologic packing material layer Below bottom of pond, in order to sludge build up.
The main purpose in multiphase 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, filter includes some regularly arranged filtering lists Member, filter element include filter frame 210, filter cloth 220 and filter cloth support 230, and filter frame 210 is hollow grid-like framework, in above-mentioned The Zhi Guanbi connected in length and breadth inside abortive haul lattice frames is provided with the drainage hole of some regular distributions, above-mentioned hollow grid shape frame Frame bottom is provided with water after filter outlet 212.Filter cloth support 230 is " W " shape corrugated filter screen, and filter cloth 220 is closely laid on above-mentioned On " W " shape corrugated filter screen, the water after filter space of filter frame 210, filter cloth 220 and the composition closing of filter cloth support 230, in above-mentioned space Water after filter enter water after filter doab through drainage hole, hollow grid shape lower portion and water after filter outlet 212 successively.
Back purge system include driving power set and backwash negative pressure piping, driving power set include driving platform 311, The running rail 312 being arranged on sewage diposal area upper opening opposite sides side, the traveling motor being arranged on driving platform 311 313, driving platform 311 bottom is provided with some power transmission shafts 314, and the both ends of power transmission shaft 314 are respectively equipped with roller 315, traveling motor 313 and One in above-mentioned some power transmission shafts 314 is connected by driving-chain, and traveling motor 313 drives driving platform 311 to pass through roller 315 move back and forth along running rail 312.Backwashing negative pressure piping includes dredge pump 321, dredging tube 322, cleans house steward 323, be clear Connecting tube 324 and " W " shape corrugated dredging tube 325 are washed, the dredge pump 321 and cleaning house steward 323 being arranged on driving platform 311 are close Envelope connection, cleaning one end of connecting tube 324 connect with the cleaning sealing of house steward 323, the cleaning other end of connecting tube 324 and dredging tube 325 Middle part sealing connection, the backwash end of " W " shape corrugated dredging tube 325, which is provided with, inhales mud seam mouth 326, inhales mud seam mouth 326 and laying Filter cloth 220 on above-mentioned " W " shape corrugated filter screen is pressed close to coordinate.Dredging tube 325 passes through connection member 327 and cleaning house steward The supporting plate that 323 outer walls extend downwardly out is fixedly connected.The carry backwash negative pressure piping of platform 311 drive a vehicle by inhaling mud seam mouth 326 Moved along the surface of filter cloth 220, inhale mud seam mouth 326 and the impurity particle on the surface of filter cloth 220 is passed sequentially through into cleaning connecting tube 324, clear Wash house steward 323 and the suction discharge of dredging tube 322.
In addition, in vertical fiber filtering cloth filtering pool 30, there is discharge pipeline, the sludge under washing is returned and is discharged in oil removal septic tank, Anaerobic digestion again is carried out, further to reduce the content of organics in sludge.
As shown in figure 9, multiphase circular integration sewage treatment process comprises the following steps:
Step S101, sanitary sewage enter oil removal septic tank, and the oil removal septic tank has multistage, and sanitary sewage passes through successively Each section of oil removal septic tank is crossed, carries out water-oil separating, particulate matter precipitation and anaerobic fermentation;
Step S102, sanitary sewage enter multiphase circulating biological pond by cartridge type grid after precipitation;Umbrella exposes air-lift device Sewage mentioned to the top of corrugated biologic packing material upwards from the lower section of corrugated biologic packing material, carries out umbrella aeration, sewage by On flow downwardly through corrugated biologic packing material, the organic matter in microorganism decomposition sewage in corrugated biologic packing material, then sewage The lower section of the corrugated biologic packing material is flow to, exposing air-lift device by umbrella again is drawn up, and and so on circulates;
Step S103, after the step S102 of the scheduled time has been carried out, sewage enters vertical fiber cloth filter tank, and sewage is from simultaneously Arrange set two panels W shapes filter cloth both sides enter, after filter-cloth filtering, collect among two blocks of filter clothes, then by filtering after Water outlet is discharged.
Step S105, at predetermined time intervals, the pool bottom sludge in multiphase circulating biological pond are sucked out, and are discharged into front end again Oil removal septic tank in, carry out anaerobic fermentation again.
Step S104, at predetermined time intervals, the sludge in vertical fiber cloth filter tank are again fed to the oil removal of front end In manure pit, anaerobic fermentation is carried out again.As shown in figure 1, the sludge in vertical fiber cloth filter tank includes carrying out backwash punching to filter cloth The sludge to get off is again fed in the oil removal septic tank of front end by filter tank backwash drainpipe 330.
In step S102, also there is the step of being aerated upwards by the lower section of corrugated biologic packing material.
The scheduled time being previously mentioned above in each step, it is intended to according to sewage come amount, and dirty Organic substance in water and sludge Content determine that under normal circumstances, pool bottom sludge, which is run up to, needed back the time required for row at 17-30 days.
Behind multiphase circulating biological pond 20, water outlet basically reaches in addition to bacterium, germ, suspension《Urban wastewater treatment Factory's pollutant emission standard》One-level A standard, it is main further to reduce in sewage subsequently into vertical fiber filtering cloth filtering pool Suspension, and COD, ammonia nitrogen, total phosphorus of part slightly solubility etc. are removed, and the chlorine tablets (active ingredient of slow soluble is put into filter tank For sym-closene or dichlord isocyanurice acid) sterilization, it is ensured that water outlet conventional index reaches one-level A standard.
Multiphase circulating biological filter tank as main reaction pond is built jointly for aeration tank and sedimentation basin, with biological contact oxidation process phase Than, reduce second pond, it is compact-sized.Sludge is periodically drawn clearly in main reaction pond.Present apparatus sludge production mud is extremely low, and drawing frequency clearly can As little as annually, or even for many years not spoil disposal.
By the gas stripping of aerating pipelines, by the sewage lifting of bottom of pond into air, sewage is mixed with air, formed Secondary aeration, increase aeration quantity.
The sewage of rural area discharge is in the majority with food and drink class sewage, must remove the grease type in decontaminated water, otherwise influence follow-up filler Biofilm and biodegradation.Sewage enters oil interceptor, after three-level oil removal, into next processing unit.The oil interceptor can use again Make septic tank, anaerobic degradation part COD, reduce the BOD loading of subsequent biological treatment.Oil interceptor must periodically drag for the dynamic plant on surface clearly Thing oil, according to food and drink situation, is dragged for once clearly, and the sludge of bottom for 1-7 days, then half a year drawn once clearly by 1 year.
Multiphase circulating biological pond is main processing pond, and main purpose is degradation COD, BOD, and denitrogenation dephosphorizing.
The comparison of technique and other techniques is buried at the sewage of the present invention of table 1
According to the comparison to each technique in table 1, although the relatively other techniques of multiphase circulating sewage processing equipment initial outlay It is higher, but on later maintenance, maintenance, operation stability, operating cost, have greatly, it is excellent not available for other techniques Gesture.

Claims (9)

1. a kind of multiphase circular integration sewage treatment process, it is characterised in that comprise the following steps:
Step 1, sanitary sewage enter oil removal septic tank, and the oil removal septic tank has multistage, and sanitary sewage is successively by each Section oil removal septic tank, carry out water-oil separating, particulate matter precipitation and anaerobic fermentation;
Step 2, sanitary sewage enter multiphase circulating biological pond by cartridge type grid after precipitation, and umbrella exposes air-lift device by sewage Mention the top of corrugated biologic packing material upwards from the lower section of the corrugated biologic packing material in multiphase circulating biological pond, carry out umbrella Aeration, sewage flow through corrugated biologic packing material from top to bottom, organic in the microorganism decomposition sewage in corrugated biologic packing material Thing, then sewage flow to the lower section of the corrugated biologic packing material, again by umbrella expose air-lift device be drawn up, and so on follow Ring;
Step 3, two carry out the scheduled time the step of after, sewage enters vertical fiber cloth filter tank, and sewage is from two be arranged side by side The both sides of the filter cloth of piece W shapes enter, and after filter-cloth filtering, collect among two blocks of filter clothes, are then arranged by water after filter outlet Go out.
2. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that:
At predetermined time intervals, the pool bottom sludge in multiphase circulating biological pond is sucked out, and is discharged into the oil removal septic tank of front end again In, anaerobic fermentation is carried out again.
3. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that:
At predetermined time intervals, the sludge in vertical fiber cloth filter tank is again fed in the oil removal septic tank of front end, is entered again Row anaerobic fermentation.
4. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that:
Wherein, the oil removal septic tank has H-shaped water passage between having three sections, adjacent two sections, and sewage passes through three successively Section oil removal septic tank, carry out water-oil separating, particle precipitation and anaerobic fermentation.
5. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that:
The cartridge type grid has grid body and scraping blade, and when the dirt attachment on grid body is excessive, scraping blade is in grid sheet Moved back and forth on body, strike off dirt.
6. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that also include:
The step of dredging tube to be matched using the shape with the filter cloth carries out suction mud to filter cloth.
7. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that also include:
In the top of oil removal septic tank, the step of using breather pipe, the gas in oil removal septic tank is discharged.
8. multiphase circular integration sewage treatment process as claimed in claim 1, it is characterised in that also include:
In the top in vertical fiber cloth filter tank, the step of using breather pipe, the gas in oil removal septic tank is discharged.
9. multiphase circular integration sewage treatment process as claimed in claim 2, it is characterised in that:
Wherein, the umbrella exposes the shared air blast of device of pool bottom sludge of the air-lift device with suctioning out the multiphase circulating biological pond Machine is as power resources.
CN201511025606.1A 2015-12-30 2015-12-30 Multiphase circular integration sewage treatment process Active CN105585215B (en)

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Families Citing this family (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
CN112723664B (en) * 2020-12-16 2022-09-02 石家庄市源生园环保有限公司 Biological and ecological combined sewage treatment system and sewage treatment method

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

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

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