CN104773927B - A kind of small towns sewage disposal system - Google Patents
A kind of small towns sewage disposal system Download PDFInfo
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- CN104773927B CN104773927B CN201510205827.0A CN201510205827A CN104773927B CN 104773927 B CN104773927 B CN 104773927B CN 201510205827 A CN201510205827 A CN 201510205827A CN 104773927 B CN104773927 B CN 104773927B
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Abstract
The present invention discloses a kind of small towns sewage disposal system, comprise regulating reservoir, fine fack setting pot, treatment tank and sterilization pool, described treatment tank center is provided with isolated area, isolated area top is anaerobic zone, bottom is anoxic zone, bottom in isolated area is provided with water conservancy diversion mixer outlet and mixed liquor lifting device, removable cover is stamped at isolated area top, the annulus that the outside of isolated area and treatment tank form is aerobic zone, bottom, aerobic zone is communicated with independent isolated area, sewage enters anoxic zone by water conservancy diversion blender and mixed liquor lifting device, and the mixed liquor refluxing with aerobic zone mixes completely, anaerobic zone surrounding is provided with intake equipment, plug-flow oxygen supply is arranged in aerobic zone, the outer setting for the treatment of tank has a circle three-phase separation area. the present invention has that floor space is little, energy-conservation, convenient operation, installation and maintenance are managed simple feature, and this system operation produces foul smell hardly, does not need to be equipped with deodorizing facility.
Description
Technical field
The present invention relates to sewage treatment area, be specifically related to a kind of small towns sewage disposal system.
Background technology
Along with improving constantly of living standards of the people, available water is fewer and feweri, the dirt that people produce and life producesWater emission pollution problem is more and more serious. At present, the most sanitary sewage in China small towns adopts directly dischargeMode, do not take due control measures, increased the weight of the pollution to environment. At national sustainable developmentUnder new policy, environmental protection has been subject to governments at all levels and national people's attention, and sewage is administered thoroughlyThe importance of the environment of depending on for existence with to protect mankind is increasing, the sewage of energy-efficient, easy strong operabilityTreating apparatus and sewage disposal technology and technique can play larger impetus for the development of national economy. BuildVertical small towns Sewage Disposal, to improving the water body environments such as scenic spot, pool, river, small towns, ensures that Countryside Economic Development risesVery important effect. Along with expanding economy, living standard improves, and demographic and economic increases, extensive styleDevelopment model, inorganization large area apply pollutant, wastewater treatment rate is on the low side, and sacrificialing environment and resource are gonePursuing immediate interest etc., is all to cause water to pollute the reason being on the rise. In a large number without the sewage quilt of fully processingFor irrigating, make farmland be polluted. , pass through accounting in the basin of area 85% according to the Ministry of Agriculture372 representative area sampling surveys, find that 1/10 of national grain aggregate does not meet sanitary standard. Sewage is filled withIrrigate and also cause grain yield low, pollute and strengthen, nutritional labeling declines. Long-term contaminant water irrigate make pathogen,Mutagenesis, carcinogen move in human body by foods such as grain, vegetables, fruit, serious harm human bodyHealthy. Water pollutes and also aquaculture is caused to great harm, before pollution of waterhead is subject to original water treatment technologyNot some challenges.
Need a large amount of man power and materials owing to setting up a sewage treatment plant, for the processing of small towns sanitary sewageCost is high, and floor space is large, has restricted greatly the development of sewage disposal.
Summary of the invention
Based on above weak point, the present invention discloses a kind of small towns sewage disposal system, to the life of small towns, communityThe sewage of living is processed.
The technology used in the present invention feature is as follows: a kind of small towns sewage disposal system, comprises regulating reservoir, thin latticeGrid setting pot, treatment tank and sterilization pool, regulating reservoir is connected with fine fack setting pot, fine fack setting pot withTreatment tank connects, and treatment tank is connected with sterilization pool, is characterized in, described treatment tank centerBe provided with isolated area, isolated area top is anaerobic zone, and bottom is anoxic zone, and the bottom in isolated area is provided with leadsStream mixer outlet and mixed liquor lifting device, water conservancy diversion mixer outlet is connected with mixed liquor lifting device, isolationDistrict is stamped removable cover in top, and the annulus that the outside of isolated area and treatment tank form is aerobic zone,Bottom, aerobic zone is communicated with independent isolated area, and water inlet is connected with water conservancy diversion blender, and sewage is by water conservancy diversion blenderEnter anoxic zone with mixed liquor lifting device, and mix anaerobism with the mixed liquor of aerobic zone backflow completelyDistrict's surrounding is provided with intake equipment, and intake equipment is connected with dissolved oxygen system, and dissolved oxygen system is connected with plug-flow oxygen supply,Plug-flow oxygen supply is arranged in aerobic zone; The outer setting for the treatment of tank has a circle three-phase separation area, three-phase separateAbscission zone is disposed with downflow weir, water leg, three phase separator from top to bottom, and water leg is connected with downflow weir,Three phase separator upper end is connected with water leg, and the lower end of described three phase separator is provided with air register, airBetween baffle plate and three phase separator, be provided with gas overflowing seam bar, gas overflowing seam bar is connected with aerobic zone, three-phaseSeparator is connected with aerobic zone, and the water level of aerobic zone is higher than three-phase separation area, and clear water is discharged from the downflow weir on top;The bottom of three-phase separation area is sludge sump, and sludge sump is connected with spoil disposal short tube, and mud gravity drops or falls into mudGroove, thus water, mud, air separation arrived.
The present invention also has following technical characterictic:
1, described anoxic zone and anaerobic zone are placed with flexiplast combined stuffing, and this flexiplast combined stuffing is battle arrayRow are arranged, and on flexiplast combined stuffing, are also provided with the hydroformylation Wei Nilun strand of dwelling raw for microorganism.
2, the oxidation-reduction potential Ec:100mv of described anaerobic zone～-100mv.
3, the dissolved oxygen of described anoxic zone is controlled at 0～0.5mg/L.
4, the oxidation-reduction potential Ec:300mv～400mv of described aerobic zone; Mixed liquor suspended solid, MLSS concentrationMLSS:2500～3500mg/L。
5, the outlet of the playpipe of described plug-flow oxygen supply is provided with energy dissipating boring aeration pipe
The present invention has that floor space is little, energy-conservation, convenient operation, installation and maintenance are managed simple feature, and this isSystem operation produces foul smell hardly, does not need to be equipped with deodorizing facility.
Brief description of the drawings book
Fig. 1 is the top view of embodiments of the invention 1;
Fig. 2 is the side view of embodiments of the invention 1.
Detailed description of the invention
Embodiment 1
As shown in Figure 1-2, the present embodiment provides a kind of small towns sewage disposal system, comprises regulating reservoir, fine fackSetting pot, treatment tank and sterilization pool, regulating reservoir is connected with fine fack setting pot, and fine fack setting pot is with dirtyWater treating pond connects, and treatment tank is connected with sterilization pool, and treatment tank center is provided with isolated area 1, every1 top, abscission zone is anaerobic zone 2, and bottom is anoxic zone 3, and the bottom in isolated area 1 is provided with water conservancy diversion blenderOutlet 4 and mixed liquor lifting device 5, water conservancy diversion mixer outlet 4 is connected with mixed liquor lifting device 5, isolationDistrict is stamped removable cover 6 in 1 top, and the annulus that the outside of isolated area 1 and treatment tank form is for wellOxygen district 7,7 bottoms, aerobic zone are communicated with isolated area 1, sewage successively by regulating reservoir, fine fack setting pot,Water inlet, water conservancy diversion blender and mixed liquor lifting device 5 enter anoxic zone 3, and reflux with aerobic zone 7Mixed liquor mixes completely, and anaerobic zone 2 surroundings are provided with intake equipment 8, intake equipment 8 and dissolved oxygen system9 connect, and dissolved oxygen system 9 is connected with quadruplet plug-flow oxygen supply 10, quadruplet plug-flow oxygen supply 10 average mark respectivelyCloth is in aerobic zone 7; The outer setting for the treatment of tank has a circle three-phase separation area, three-phase separation area from upper toUnder be disposed with downflow weir 11, water leg 12, three phase separator 13, water leg 12 connects with downflow weir 11Connect, three phase separator 13 upper ends are connected with water leg 12, and the lower end of described three phase separator 13 is provided withAir register 14, is provided with gas overflowing seam bar 15, gas between air register 14 and three phase separator 13Overflow seam bar 15 and be connected with aerobic zone 7, guiding air return, to aerobic zone 7, prevents that air is up to three-phaseSeparator 13, destroys mud-water separation effect, and three phase separator is connected with aerobic zone 7, and clear water overflows from topDischarge on stream weir 11, and then flow into sterilization pool 16, and the water level of aerobic zone 7 is higher than three-phase separation area; Three-phase separateThe bottom in abscission zone is mud accumulation regions 17, and mud accumulation regions 17 is connected with spoil disposal short tube 18, a part of mudReturn to aerobic zone, or tenesmus falls into the sludge sump of mud accumulation regions 17, thereby arrive water, mud, skyGas separates.
Embodiment 2
First sewage enter anoxic zone, with the mixed liquor (water conservancy diversion mixed lifting device and the water intaking that reflux from aerobic zoneDevice impels backflow) mix completely, by regulating the stream of water conservancy diversion mixed lifting device or adjusting dissolved oxygen systemAmount is controlled anoxic zone dissolved oxygen and is controlled at 0～0.5mg/L, in this region, puts into flexiplast combination and fills outMaterial, this flexiplast combined stuffing is arrayed, and on flexiplast combined stuffing, is also provided with and dwells for microorganismRaw hydroformylation Wei Nilun strand,
By the microbial strains of fixing film form on filler, adhere to the microbiologic population of filling surface growth and mixThe microbial strains group of closing suspension growth in liquid carries out denitrification denitrogenation processing to the nitrate nitrogen in sewage, promotesDevice and the special installation form of water fetching device, guarantee effluent stream, to reasonability, is carried out efficient denitrification to mixed liquor,NO2 -、NO3 -Be reduced to nitrogen (N2), thereby total nitrogen (TN) meets discharge standard, greatly promotes denitrogenation effectReally.
Combined sewage is from anoxic zone from flowing into anaerobic zone, and the reaction time of anaerobic zone is controlled in design, makes oxidation alsoFormer current potential Ec:100mv～-100mv, carries out phosphorus release. In this region, put into flexiplast combined stuffing,And on flexiplast combined stuffing, be also provided with the hydroformylation Wei Nilun strand of dwelling raw for microorganism, to the incomplete ammonia of partProtein or the larger molecular organics changed decompose. In mixed liquor, in the microbial strains group of suspension growth, take the photographPhosphorus bacterium under anaerobic carries out the release of phosphorus, and this device maximizes to promote takes the photograph phosphorus bacterium to phosphorus releasing effect.
Combined sewage is from anaerobic zone from flowing into aerobic zone, and aerobic zone dissolved oxygen is controlled at 0～0.5mg/L, oxidationReduction potential Ec:300mv～400mv, mixed liquor suspended solid, MLSS concentration MLSS:2500～3500mg/L,The biochemical reaction time reasonable in design, to organic matter in sewage (COD, BOD5) carry out oxidative metabolism processing(synthetic cell, CO2, H2O etc.), ammonia nitrogen (NH3-N) carry out nitrated (NO2 -、NO3 -), take the photograph phosphorus bacteriumPhosphorus is absorbed. In region, without filler, there are activated sludge (various bacterial strain in MLSS), sewage, air dissolvesOxygen.
Native system is provided with 4 cover plug-flow oxygen supplies, the plug-flow stirring action of holding concurrently when oxygen supply mixes. This device streamMeasure controlled, thereby control mixed liquor oxyty. Change the produced simultaneously torrent of ejector dissolved oxygen in the past, veryEasily smash mud flco, cause the tiny alumen ustum of water outlet band, yellow muddy, water outlet phenomenon not up to standard. At playpipeIncreasing exports energy dissipating boring aeration pipe, does not destroy flco, again can dissolved oxygen, can also there is effect by plug-flow.
Three-phase separation area: the separating effect that improves water, mud, air: mud-water separation, clear water overflows from topDischarge on stream weir; The tenesmus of mud gravity, or enter aerobic zone or enter mud groove, corresponding two groups, one group is dirty as residueMud is discharged outside pond, reaches dephosphorization object. The mud of one group of bottom utilizes gravitation energy to be back in time aerobic zone, subtractsFew normally used mud scraper and sludge refluxing apparatus (mud scraper, pump, energy-conservation and minimizing maintenance). Be designed withAir plate washer and the seam bar of midway overflowing, guiding air return, to aerobic zone, prevents that air is up to mud-water separation district,Destroy mud-water separation effect.
Mud drainage slot: activated sludge crashes into mud groove from the short-range gravity of three phase separator, and it is short that bottom land is provided with spoil disposalPipe, shortens spoil disposal distance greatly, and change mud pipe in the past and stretch into the easily obstruction of pond central authorities, and without obstruction, extremely shortMud pipe can be discharged in time excess sludge and be reached best phosphor-removing effect, changes that sludge retention time was longer in the past, takes the photographPhosphorus bacterium easily discharges phosphorus, again dissolves in sewage, makes phosphorus be difficult for qualified discharge.
Described anaerobic zone, anoxic zone, aerobic zone, three-phase separation area, mud drainage slot are total in same pond, logicalCross rationalization's flow direction, optimize integral layout, reach minimizing floor space, reduce investment outlay, reduce energy consumptionObject.
Claims (6)
1. a small towns sewage disposal system, comprises regulating reservoir, fine fack setting pot, treatment tank and sterilization pool,Regulating reservoir is connected with fine fack setting pot, and fine fack setting pot is connected with treatment tank, treatment tank with disappearPoison pond connects, and it is characterized in that, described treatment tank center is provided with isolated area, and isolated area top is for detestingOxygen district, bottom is anoxic zone, the bottom in isolated area is provided with water conservancy diversion mixer outlet and mixed liquor lifting device,Water conservancy diversion mixer outlet is connected with mixed liquor lifting device, and removable cover is stamped at isolated area top, outside isolated areaThe annulus that portion and treatment tank form is aerobic zone, and bottom, aerobic zone is communicated with independent isolated area, entersThe mouth of a river is connected with water conservancy diversion blender, and sewage enters anoxic zone by water conservancy diversion blender and mixed liquor lifting device, andAnd the mixed liquor refluxing with aerobic zone mixes completely, and anaerobic zone surrounding is provided with intake equipment, intake equipmentBe connected with dissolved oxygen system, dissolved oxygen system is connected with plug-flow oxygen supply, and plug-flow oxygen supply is arranged in aerobic zone; DirtyThe outer setting of water treating pond has a circle three-phase separation area, and three-phase separation area is disposed with overflow from top to bottomWeir, water leg, three phase separator, water leg is connected with downflow weir, and three phase separator upper end is connected with water leg,The lower end of described three phase separator is provided with air register, between air register and three phase separator, is provided with gasBody overflows seam bar, and gas overflowing seam bar is connected with aerobic zone, and three phase separator is connected with aerobic zone, aerobic zoneWater level is higher than three-phase separation area, and clear water is discharged from the downflow weir on top; The bottom of three-phase separation area is sludge sump,Sludge sump is connected with spoil disposal short tube, and mud gravity drops or falls into sludge sump, thereby arrives water, mud, airSeparate.
2. a kind of small towns according to claim 1 sewage disposal system, is characterized in that: described anoxic zoneBe placed with flexiplast combined stuffing with anaerobic zone, this flexiplast combined stuffing is arrayed, and flexibility is mouldedOn material combined stuffing, be also provided with the hydroformylation Wei Nilun strand of dwelling raw for microorganism.
3. a kind of small towns according to claim 1 sewage disposal system, is characterized in that: described anaerobic zoneOxidation-reduction potential Ec:100mv～-100mv.
4. a kind of small towns according to claim 1 sewage disposal system, is characterized in that: described anoxic zoneDissolved oxygen be controlled at 0～0.5mg/L.
5. a kind of small towns according to claim 1 sewage disposal system, is characterized in that: described aerobic zoneOxidation-reduction potential Ec:300mv～400mv; Mixed liquor suspended solid, MLSS concentration MLSS:2500～3500mg/L.
6. a kind of small towns according to claim 1 sewage disposal system, is characterized in that: described plug-flow suppliesThe playpipe outlet of oxygen device is provided with energy dissipating boring aeration pipe.
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| CN106745736B (en) * | 2016-12-15 | 2020-04-28 | 华北水利水电大学 | C-CBR integrated biological reaction sewage treatment device |
| CN111170560A (en) * | 2020-01-08 | 2020-05-19 | 广西国宏智鸿环保科技集团有限公司 | Villages and towns sewage purification system |
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| CN1199875C (en) * | 2001-07-27 | 2005-05-04 | 蒲重良 | Composite method for treating industrial and domestic waste water as resource and its equipment |
| CN1626460A (en) * | 2003-12-09 | 2005-06-15 | 中国科学院成都生物研究所 | Bioreactor for treating wastewater |
| KR20040083025A (en) * | 2004-07-30 | 2004-09-30 | 황덕흥 | Tower Wastewater Treatment System for Nitrogen and Phosphorous Removal |
| CN201136823Y (en) * | 2007-12-18 | 2008-10-22 | 华南理工大学 | Aerobic-anaerobic circulating treatment device for waste water |
| CN101870537B (en) * | 2009-04-24 | 2012-08-08 | 钟志长 | Integrated baffling internal circulation fluidization sewage treatment device |
| KR101272016B1 (en) * | 2010-11-17 | 2013-06-10 | 안대희 | Wastewater Treatment Apparatus Using Biofilm and Aerobic Granule Sludge and Method for Treating Wastewater Using the Same |
| CN203715376U (en) * | 2014-01-17 | 2014-07-16 | 安徽锋亚环境技术有限公司 | Assembling stereoscopic A2/O reaction tank for dispersing type sewage treatment in rural area |
| CN203820608U (en) * | 2014-04-30 | 2014-09-10 | 湖南艾布鲁环保科技有限公司 | Village and town sewage treatment and deep purification integrated equipment |
| CN204569681U (en) * | 2015-04-28 | 2015-08-19 | 罗文兵 | A kind of small towns Sewage treatment systems |
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Effective date of registration: 20190702 Address after: 530023 Twentieth Floor, Building 46, Grand Jiahui ASEAN International Trade Port, 5 Kunlun Avenue, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region, 2005 and 2006 Patentee after: Guangxi Yongchun New Environmental Protection Technology Co., Ltd. Address before: Room 801, Unit 4, Unit 41, Hejiang Street, Daoli District, Harbin, Heilongjiang Province, 150000 Co-patentee before: Yu Maoting Patentee before: Luo Wenbing |