CN204714653U - A kind of efficient AOAS integrated sewage treating apparatus - Google Patents

A kind of efficient AOAS integrated sewage treating apparatus Download PDF

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Publication number
CN204714653U
CN204714653U CN201520194859.0U CN201520194859U CN204714653U CN 204714653 U CN204714653 U CN 204714653U CN 201520194859 U CN201520194859 U CN 201520194859U CN 204714653 U CN204714653 U CN 204714653U
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settling tank
order reaction
efficient
water
settling
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张进
刘成军
郑体刚
刘选云
梁仁君
罗贤
杨仁凯
王胜
何小春
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TIANREN ENVIRONMENTAL PROTECTION CO Ltd
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TIANREN ENVIRONMENTAL PROTECTION CO Ltd
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Abstract

The utility model discloses a kind of efficient AOAS integrated sewage treating apparatus.Comprise body treatment facility, aerating system and automation control system, body treatment facility comprises anaerobic fixed film reactor, first order reaction settling tank, second order reaction settling tank, the efficient flocculating settling tank that entrance intake pump is communicated with successively with current; Aerating system comprises gas blower, supply gas connecting tube and the aeration plate that is separately positioned on bottom first order reaction settling tank and second order reaction settling tank.The utility model device biochemistry pool takes intermittent aeration, continuum micromeehanics, and aerobic environment and anaerobic environment replace mutually, and during anoxic, denitrification is obvious; Be integrated with reaction zone and settling region in biochemistry pool, separate with dividing plate, do not need separately to build settling tank, do not need to establish sludge refluxing apparatus; Biochemical reaction and precipitation are concentrated in the body structure of same pond, broken the natural mode that traditional second pond is separated with biochemistry pool, structures are more simple; Tube settler runs more stable.

Description

A kind of efficient AOAS integrated sewage treating apparatus
Technical field
The utility model belongs to environmental protection technical field, especially belongs to technical field of sewage, is specifically related to a kind of efficient AOAS integrated sewage disposal technique and device.
Background technology
Along with the develop rapidly of economy, small towns population is constantly concentrated, and sanitary sewage quantity discharged constantly increases, and small towns environmental quality go fromes bad to worse, and become the important factor that restriction Township Economy develops in a healthy way, the process of small towns sanitary sewage seems more and more urgent.
The basic cardinal principle of technology being applied to small towns waste water control at present can be divided into two large classes: the first kind is ecological treatment system, namely soil filtration, plant absorption and microbial decomposition is utilized to remove organic pollutants and a certain amount of nitrogen phosphorus, as oxidation pond, artificial swamp, Worm biological filter tank etc., but this type of system footprint area is very large, and by natural environment and climate affect comparatively large, sense organ is poor, thus limits its large-scale application; Equations of The Second Kind is according to urban sewage treatment process summary, as conventional activated sludge process, SBR, catalytic oxidation and blodisc etc., although this kind for the treatment of process treatment effect is good, but obviously investment is larger, complex management, running cost is too high, is not too applicable to economic base weak, small towns backward in technique.
Chinese patent application 201310087120.5 discloses kind of highly effective synchronous biological denitrogenation dephosphorizing Round Sump device and method anaerobic pond, anoxic pond, Aerobic Pond, settling tank, sewage sludge reflux technique are integrated in one.All wall is total between the inner each adjacent reaction tank of this device, comprise the first step anoxic pond set gradually from front to back, anaerobic pond and second stage anoxic pond, in described first step anoxic pond, the right side of anaerobic pond and second stage anoxic pond is provided with the distributing flue of gallery type, this distributing flue by water inlet pipe respectively to first step anoxic pond, anaerobic pond and the feedwater of second stage anoxic pond, in described first step anoxic pond, the left side of anaerobic pond and second stage anoxic pond is disposed with sludge sump from front to back, settling tank and buffer zone, outlet canal is provided with on the left of described settling tank, the rear of described buffer zone and second stage anoxic pond is provided with Aerobic Pond.This devices and methods therefor still belongs to the AAO of improvement in essence, and need to arrange settling tank separately, its operational path and traditional technology are as good as; And directly adopt tube settler due to its settling tank, very easily cause the phenomenons such as inclined tube blocking when active sludge intermixture enters tube settler, cause running the more problems such as not smooth.
Summary of the invention
The utility model discloses a kind of efficient AOAS integrated sewage treating apparatus according to the deficiencies in the prior art.Problem to be solved in the utility model is for small towns sanitary sewage disposal present situation, and provide a kind of clean effect high, cost of investment is low, and floor space is few, the efficient AOAS integral domestic sewage treatment device of reliable convenient management.
The utility model is achieved through the following technical solutions:
A kind of efficient AOAS integrated sewage treating apparatus, comprise body treatment facility, aerating system and automation control system, it is characterized in that: described body treatment facility comprises anaerobic fixed film reactor, first order reaction settling tank, second order reaction settling tank, the efficient flocculating settling tank that entrance intake pump is communicated with successively with current; Aerating system comprises gas blower, supply gas connecting tube and the aeration plate that is separately positioned on bottom first order reaction settling tank and second order reaction settling tank; Automation control system and aerating system intermittent aeration control linkage, intake pump control linkage with body treatment facility.
Perforation water distributor and hydrolysis filling is provided with in described anaerobic fixed film reactor.Wherein, perforation water distributor is positioned at bottom the body of pond, and diameter is 75mm ~ 150mm, and the aperture that tube wall is bored a hole and layout density are arranged by via hole flow velocity 0.1m/s; Hydrolysis filling is positioned in the middle part of the body of pond, can adopt 3 D elastic filler or half elastic filler.
Described first order reaction settling tank, second order reaction settling tank include the reaction zone that become by baffle for separating and settling region, and reaction zone is communicated with bottom settling region, and the aeration plate of aerating system is arranged at bottom reaction zone, is added with suspended biological filler in the water body of reaction zone.Suspended biological filler can select spherical porous filler, round shape or rectangular cellular filler etc.
Described first order reaction settling tank dividing plate is positioned at reaction settling basin side, and dividing plate forms one-sided settling region by bottom to the water surface and reaction precipitation pool wall.
Described second order reaction settling tank dividing plate is positioned at reaction settling basin surrounding, dividing plate by bottom to the water surface and reaction precipitation pool wall formed around settling region.
Described precipitin reaction district, according to the requirement of the characteristic sum effluent quality of influent quality, the basis in aforementioned two-stage precipitin reaction district can increase again and arranges multi stage precipitation reaction zone, thus reach better treatment effect, can adapt to more strict Effluent criteria.
Described efficient flocculating settling tank comprises flocculation flap district and tube settling district, flocculation flap district is made up of the many groups of water conservancy diversion risers be arranged in juxtaposition and water conservancy diversion transverse slat, the group of flow deflector is several different according to treatment scale difference, horizontal direction is generally 4 groups, vertical direction generally divides 4 ~ 5 grades.Mixed solution, after adding flocculation agent, in the mode of upper and lower baffling by flap district, plays the effect of hydraulic mixing.Described tube settling district height 0.6 ~ 1.5m, inclined tube angle of inclination is 60 degree, and effluent trough is arranged at top, tube settling district.
Be communicated with by perforated pipe between the anaerobic fixed film reactor that described body treatment facility is communicated with successively, first order reaction settling tank, second order reaction settling tank, efficient flocculating settling tank, described perforated pipe diameter is 100mm ~ 150mm, tube wall open pore size is 0.8 times of floating stuffing particle diameter, maximumly be no more than 3cm, quincunx arranged crosswise, its perforate density is advisable at 0.2 ~ 0.3m/s with via hole flow rate control.
Above-mentioned waste disposal plant the utility model is adopted also to provide a kind of sewage treatment process:
Comprise: anaerobic technique, twice aerobic and anoxic process and flocculation sediment technique;
Anaerobic technique, sewage enters anaerobic fixed film reactor by bottom water inlet pipe, and have the fixing filler being easy to anaerobion biofilm formation growth in the middle part of hydrolytic tank, sewage is circulating through filler from the bottom to top, under the effect of anaerobion, in sewage, the organism of difficult degradation changes the organism of easily degraded into;
Aerobic and anoxic process, through the sewage of anaerobic fixed film reactor process, first order reaction settling tank is entered by equally distributed water outlet, first order reaction settling tank is isolated into reaction zone and one-sided settling region by baffle plate, suspended biological filler is added with in the water body of reaction zone, reaction is divided into two steps: aerobic treatment aerating step, successively in water, pressurized air is fed by pipeline and the aeration plate be arranged on bottom reaction zone by gas blower, reaction zone dissolved oxygen is increased, aerobic microbiological is made by biological action by organic pollutant in good oxygen condition, ammonia nitrogen carries out decomposing and transforming, organism is finally decomposed into the inorganics such as carbonic acid gas and water and removes, ammonia nitrogen is then oxidized to nitrate, anaerobic treatment step, aeration stops, and mud falls heavy, and Dissolved Oxygen in Water reduces, in anoxic condition, continuum micromeehanics ensures that carbon source is sufficient, and anoxic microorganism denitrifying bacteria utilizes Organic substance in water to be overflowed from water for nitrogen by nitrate reduction, removes total nitrogen in water,
First order reaction settling tank process water enters second order reaction settling tank via perforation water distributor, again carry out aerobic and anaerobic treatment, second order reaction settling tank by around dividing plate be isolated into central reaction district and around settling region, be added with suspended biological filler in the water body of reaction zone, reactions steps is identical with first order reaction settling tank;
Flocculation sediment technique, sewage enters flocculation sedimentation tank through perforation water distributor after one-level, the process of second order reaction settling tank, sewage enters flocculation flap district, and add flocculation agent, sewage enters tube settling district precipitation from bottom and enters effluent trough row up to standard by top effluent weir overflow after the mixing of at least 3 grades of flocculation flaps, and phosphor in sewage is present in floc sludge to be accumulated in bottom pond with the form of phosphate complex discharges.
Described aerobic treatment aerating step can be adopted and be controlled in two ways, and one is sequential control, i.e. aeration-stop exposing to the sun by regular time interval appearance, is generally aeration and stops the ratio of the time of exposing to the sun and be advisable 3 ~ 4; Two is dissolved oxygen control, when body top, pond dissolved oxygen is lower than 0.5mg/L, opens aeration, when dissolved oxygen is higher than 2.7mg/L, stops aeration.
Described sewage enters in the settling region of first order reaction settling tank and second order reaction settling tank, and its flow rate control is: the settling region of first order reaction settling region, and its upflow velocity controls at 0.005m/s; The settling region of second order reaction settling region, its upflow velocity controls at 0.002m/s.
There is the fixing filler of perforated pipe and filling in the middle part of the utility model anaerobic fixed film reactor, the effect of anaerobic hydrolysis can be improved, effectively reduce pond and hold; Biochemical reaction zone and settling region is integrated with in first order reaction settling tank and second order reaction settling tank, separate with baffle plate, suspended biological filler is added with in the water body of reaction zone, the biomass in mixed solution can be improved, reduce pond to hold, because adopting suspended biological filler, and the intermittent aeration by accurately controlling, simultaneous phosphorus and nitrogen removal can be realized in biochemistry pool, denitrogenation, dephosphorization, removal organic contamination and mud-water separation is synchronously achieved in conjunction with in one-level, second order reaction settling tank, need not sludge reflux and mixed-liquor return, and sludge output significantly reduces; The utility model arranges one-level, second order reaction settling tank structure and treatment process respectively, utilize the notable difference that the microorganism species in the removal pollution load difference in firsts and seconds reaction precipitation district and two-stage reaction settling tank thereof exists, according to influent quality Load adjustment ability, improve treatment effect and ability, and the settling region of first order reaction settling tank and second order reaction settling tank is all positioned at the edge of reaction settling basin, possess biochemical limit, limit precipitation, run continuously, the effect be not mutually exclusive; In the settling region of first order reaction settling tank and second order reaction settling tank, utilize the density difference of active sludge and water, by the flow rate control that hydraulic model calculates, effectively realize mud-water separation, water outlet after second order reaction settling tank directly can reach the outlet effect of second pond in conventional sewage treatment process, the water outlet of settling region is collected by perforated pipe, after collecting by through the Cemented filling of dividing plate to next stage processing unit, and the design of perforated pipe is through elevation computation, ensure the smooth and easy of hydraulic flow state; Flocculation reaction deposition pond is integrated in single unit system by the utility model, by flocculation reaction, inclined tube rapid precipitation, significantly reduces SS and TP in water outlet, improves outlet effect further.
The utility model helpfulness: the utility model device and technique have deep purifying function for small towns sewage, have the ability of denitrogenation dephosphorizing, the water outlet after process can reach the one-level A standard in country " urban wastewater treatment firm pollutant emission standard GB18918-2002 " simultaneously; Intermittent aeration is taked, continuum micromeehanics in the utility model mesophytization pond, and aerobic environment and anaerobic environment replace mutually, and during anoxic, denitrification is obvious, so nitrification liquid refluxes after not needing to establish Aerobic Pond, reduces energy consumption, saves cost; Be integrated with reaction zone and settling region in the utility model biochemistry pool, separate with dividing plate, do not need separately to build settling tank, greatly can reduce investment; Do not need to establish sludge refluxing apparatus, decrease post precipitation pond sludge yield simultaneously, greatly reduce running cost.The utility model adopts integration apparatus, is easy to assembling, dismounting and transport, simultaneously stable, easy and simple to handle, not high to personnel's technical requirements, is especially applicable to small towns sewage work and adopts.Biochemical reaction and precipitation concentrate in the body structure of same pond by the utility model, and broken the natural mode that traditional second pond is separated with biochemistry pool, structures are more simple; In addition, tube settler is as advanced treatment unit in the utility model, instead of second pond, and therefore its operation is more stable.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram;
Fig. 2 is the utility model device flocculation sedimentation tank two dimensional structure schematic diagram;
Fig. 3 is the utility model anaerobic pond perforation water distributor schematic diagram;
Fig. 4 is the utility model water distributor structural representation;
Fig. 5 is the utility model flocculation flap plot structure schematic diagram;
Fig. 6 is one of water conservancy diversion riser two dimensional structure schematic diagram;
Fig. 7 is water conservancy diversion transverse slat two dimensional structure schematic diagram.
In figure, 1 is anaerobic fixed film reactor, and 2 is first order reaction settling tanks, 3 is second order reaction settling tanks, and 4 is flocculation sedimentation tanks, and 5 is tube settling districts, 6 is effluent troughs, and 7 is into water water distributor, and 8 is fillers, 9 is aeration plates, 10 is one-level dividing plates, and 11 is one-level perforation water distributors, and 12 is secondary dividing plates, 13 is secondary perforation water distributors, 14 is air main roads, and 15 is air small transfer lines, and 16 is gas blowers, 17 is flocculation zone flaps, 17a is water conservancy diversion riser, and 17b is water conservancy diversion transverse slat, and 18 is control electronic box, 19 is mud discharging mouths, and 20 is flap water outlets.
Embodiment
Below by embodiment, the utility model is specifically described; embodiment is only for being further detailed the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to above-mentioned content of the present utility model and adjustment also belong to the scope of the utility model protection.
Composition graphs 1 to Fig. 7.
Efficient AOAS integrated sewage treating apparatus structure.
This device comprises body treatment facility, aerating system and automation control system, and body treatment facility comprises anaerobic fixed film reactor 1, first order reaction settling tank 2, second order reaction settling tank 3, the efficient flocculating settling tank 4 that entrance intake pump is communicated with successively with current; Aerating system comprises gas blower 16, supply gas connecting tube and the aeration plate 9 that is separately positioned on bottom first order reaction settling tank 2 and second order reaction settling tank 3; Automation control system and aerating system intermittent aeration control linkage, intake pump control linkage with body treatment facility.
Be provided with in anaerobic fixed film reactor 1 into water water distributor 7 and hydrolysis filling 8.Wherein, water inlet water distributor 7 is positioned at bottom the body of pond, and diameter is 75mm ~ 150mm, and tube wall has perforation, and piercing aperture and layout density are pressed Water discharge flow speed 0.1m/s and arranged; Hydrolysis filling 8 is positioned in the middle part of the body of pond, can adopt 3 D elastic filler or half elastic filler.First water inlet water distributor 7 is arranged in whole plane at the bottom of pond, more tentatively arrange perforation number according to anaerobic fixed film reactor 1 size by above-mentioned piercing aperture and layout density as far as possible, increases minimizing perforation number can realize Water discharge flow speed control according to Water discharge flow speed; Filler 8 adopts nylon or wireline etc. to connect and hangs Chi Tizhong; Above-mentioned 3 D elastic filler or half elastic filler are conventional fillers, have commercially available.
First order reaction settling tank 2 comprises the reaction zone that is separated into by one-level dividing plate 10 and settling region, second order reaction settling tank 3 comprise the reaction zone and settling region that are separated into by secondary dividing plate 12, reaction zone is communicated with bottom settling region, the aeration plate 9 of aerating system is arranged at bottom reaction zone, is added with suspended biological filler in the water body of reaction zone.Suspended biological filler can select spherical porous filler, round shape or rectangular cellular filler etc., and filler has commercially available.
First order reaction settling tank 2 one-level dividing plate 10 is positioned at reaction settling basin side, and one-level dividing plate 10 forms one-sided settling region by bottom to the water surface and reaction precipitation pool wall.
Second order reaction settling tank 3 secondary dividing plate 12 is positioned at reaction settling basin surrounding, secondary dividing plate 12 by bottom to the water surface and reaction precipitation pool wall formed around settling region.
Efficient flocculating settling tank 4 comprises flocculation flap district and tube settling district 5, flocculation flap district is made up of the many groups of water conservancy diversion riser 17a be arranged in juxtaposition and water conservancy diversion transverse slat 17b, the group of flow deflector is several different according to treatment scale difference, horizontal direction is generally 4 groups, vertical direction generally divides 4 ~ 5 grades.Mixed solution, after adding flocculation agent, in the mode of upper and lower baffling by flap district, plays the effect of hydraulic mixing.Tube settling district 5 height 0.6 ~ 1.5m, angle is 60 degree, and effluent trough is arranged at top, tube settling district 5.
Be communicated with by perforation water distributor between the anaerobic fixed film reactor 1 that body treatment facility is communicated with successively, first order reaction settling tank 2, second order reaction settling tank 3, efficient flocculating settling tank 4, described perforated pipe diameter is 100mm ~ 150mm, tube wall open pore size is 0.8 times of floating stuffing particle diameter, maximumly be no more than 3cm, quincunx arranged crosswise, its perforate density is advisable at 0.2 ~ 0.3m/s with via hole flow rate control.
Adopt the sewage treatment process of above-mentioned waste disposal plant:
Comprise: anaerobic technique, twice aerobic and anoxic process and flocculation sediment technique;
Anaerobic technique, sewage enters anaerobic fixed film reactor 1 by bottom water inlet water distributor 7, the fixing filler 8 being easy to anaerobion biofilm formation growth is had in the middle part of hydrolytic tank, sewage is circulating through filler 8 from the bottom to top, under the effect of anaerobion, in sewage, the organism of difficult degradation changes the organism of easily degraded into;
Aerobic and anoxic process, through the sewage that anaerobic fixed film reactor 1 processes, first order reaction settling tank 2 is entered by equally distributed water outlet, first order reaction settling tank 2 is isolated into reaction zone and one-sided settling region by one-level dividing plate 10, suspended biological filler is added with in the water body of reaction zone, reaction is divided into two steps: aerobic treatment aerating step, successively in water, pressurized air is fed by pipeline and the aeration plate 9 be arranged on bottom reaction zone by gas blower 16, reaction zone dissolved oxygen is increased, aerobic microbiological is made by biological action by organic pollutant in good oxygen condition, ammonia nitrogen carries out decomposing and transforming, organism is finally decomposed into the inorganics such as carbonic acid gas and water and removes, ammonia nitrogen is then oxidized to nitrate, anaerobic treatment step, aeration stops, and mud falls heavy, and Dissolved Oxygen in Water reduces, in anoxic condition, continuum micromeehanics ensures that carbon source is sufficient, and anoxic microorganism denitrifying bacteria utilizes Organic substance in water to be overflowed from water for nitrogen by nitrate reduction, removes total nitrogen in water,
First order reaction settling tank 2 processes water and enters second order reaction settling tank 3 via perforation water distributor, again carry out aerobic and anaerobic treatment, second order reaction settling tank 3 by around secondary dividing plate 12 be isolated into central reaction district and around settling region, be added with suspended biological filler in the water body of reaction zone, reactions steps is identical with first order reaction settling tank;
Flocculation sediment technique, sewage enters flocculation sedimentation tank 4 through perforation water distributor after one-level, the process of second order reaction settling tank, sewage enters flocculation flap district, and add flocculation agent, sewage enters tube settling district 5 from bottom and precipitates and enter effluent trough row up to standard by top effluent weir overflow after the mixing of at least 3 grades of flocculation flaps, and phosphor in sewage is present in floc sludge to be accumulated in bottom pond with the form of phosphate complex discharges.
Aerobic treatment aerating step can be adopted and be controlled in two ways, and one is sequential control, i.e. aeration-stop exposing to the sun by regular time interval appearance, is generally aeration and stops the ratio of the time of exposing to the sun and be advisable 3 ~ 4; Two is dissolved oxygen control, when body top, pond dissolved oxygen is lower than 0.5mg/L, opens aeration, when dissolved oxygen is higher than 2.7mg/L, stops aeration.Above-mentioned two kinds of modes can be applied separately, also can mix application.
Sewage enters in the settling region of first order reaction settling tank 2 and second order reaction settling tank 3, and its flow rate control is: the settling region of first order reaction settling region, and its upflow velocity controls at 0.005m/s; The settling region of first order reaction settling region, its upflow velocity controls at 0.002m/s.
In conjunction with each accompanying drawing:
With reference to figure 1, sewage enters anaerobic fixed film reactor 1 by water distributor 7 of intaking, there is fixing filler 8 in hydrolytic tank, be easy to anaerobion biofilm formation growth, under the effect of anaerobion, in waste water, the organism of difficult degradation changes the organism of easily degraded into, improve the biodegradability of sewage, be easy to follow-up aerobic treatment, reduce reaction times and the process energy consumption of follow-up structures, decomposing pool has the function of sludge treatment simultaneously, reduces the processing load of follow-up mud.
With reference to figure 1, through the sewage that anaerobic fixed film reactor 1 processes, first order reaction settling tank 2 is entered by equally distributed water outlet, this biochemistry pool is by every being isolated into reaction zone and settling region, react controlled electronic box 18 to control, be divided into two steps: when aeration carries out, by gas blower 16, air main 14 and air arm 15 successively feed pressurized air to aeration plate in water 9, reaction zone dissolved oxygen is increased, in good oxygen condition, aerobic microbiological by biological action by organic pollutant, ammonia nitrogen carries out decomposing and transforming, organism is finally decomposed into the inorganics such as carbonic acid gas and water and removes, ammonia nitrogen is then oxidized to nitrate, when aeration stops, mud falls heavy, and Dissolved Oxygen in Water reduces, in anoxic condition, continuum micromeehanics ensure that the abundance of carbon source, and main anoxic microorganism and denitrifying bacteria utilize Organic substance in water to be overflowed from water for nitrogen by nitrate reduction, play the object removing total nitrogen in water.
With reference to figure 1, first order reaction settling tank 2 processes water and enters second order reaction settling tank 3 via one-level perforation water distributor 11, this biochemistry pool microbial process is identical with first order reaction settling tank 2, pond body becomes surrounding from monolateral precipitation and precipitates, one is because the organic matter of sewage load after processing via first order reaction settling tank 2 is lower, volume suitably can be reduced in reaction zone, reduces energy consumption; Two is the corresponding increases of settling region volume, is removal and the flocculation sediment reduction load of follow-up phosphorus, ensures effluent quality.
Sewage is after one-level, the process of second order reaction settling tank, and secondary perforation water distributor 13 water outlet total phosphorus still can not meet emission standard requirement, need enter flocculation sedimentation tank 4 and thoroughly remove.Sewage is first via settling region flocculation flap 17 part, by the effect of flocculation agent, phosphor in sewage is present in floc sludge in the form of phosphate, then is accumulated in bottom settling tank via tube settling district 5, and supernatant liquor then enters effluent trough 6 by effluent weir overflow and obtains qualified discharge.Flocculation sedimentation tank base sludge needs regularly to aspirate outer row by mud discharging mouth 19.
Fig. 3 is the utility model anaerobic pond perforation water distributor schematic diagram; Illustrate in figure into the arrangement state of water water distributor 7 in basin bottom.
Fig. 4 is the utility model water distributor structural representation; The water distributor that the utility model adopts all adopts perforation structure, perforation is arranged by equally distributed plum blossom-shaped, caliber is 100 to 150mm, tube wall open pore size is 0.8 times of floating stuffing particle diameter, maximumly be no more than 3cm, quincunx arranged crosswise, its perforate density is advisable at 0.1 ~ 0.3m/s with via hole flow rate control.
Fig. 5 is the utility model flocculation flap plot structure schematic diagram; Fig. 6 is one of water conservancy diversion riser two dimensional structure schematic diagram; Fig. 7 is water conservancy diversion transverse slat two dimensional structure schematic diagram.In Fig. 5, the direction of arrow is current flow directions, as shown in the figure, flocculation flap district is divided into five regions be communicated with at vertical direction by four groups of water conservancy diversion riser 17a by this example flocculation flap district, by four groups of water conservancy diversion riser 17b, flocculation flap district is separated at vertical direction, composition graphs 6 and Fig. 7, the water conservancy diversion riser 17a perforate up on both sides, middle water conservancy diversion riser 17a is in bottom opening, and water conservancy diversion transverse slat 17b is at plate face uniform pore openings; Current are entered from flocculation flap district lower entrances by secondary water distributor 13 of boring a hole, first through flap region, both sides upwards through water conservancy diversion transverse slat 17b enter adjacent flap region, more downward through water conservancy diversion transverse slat 17b enter central zone, after flow out from top flap water outlet 20.

Claims (7)

1. an efficient AOAS integrated sewage treating apparatus, comprise body treatment facility, aerating system and automation control system, it is characterized in that: described body treatment facility comprises anaerobic fixed film reactor, first order reaction settling tank, second order reaction settling tank, the efficient flocculating settling tank that entrance intake pump is communicated with successively with current; Described aerating system comprises gas blower, supply gas connecting tube and the aeration plate that is separately positioned on bottom first order reaction settling tank and second order reaction settling tank; Automation control system and aerating system intermittent aeration control linkage, with body treatment facility intake pump control linkage.
2. efficient AOAS integrated sewage treating apparatus according to claim 1, is characterized in that: be provided with perforation water distributor and hydrolysis filling in described anaerobic fixed film reactor; Wherein, perforation water distributor is positioned at bottom the body of pond, and diameter is 75mm ~ 150mm, and the aperture that tube wall is bored a hole and layout density are arranged by Water discharge flow speed 0.1m/s; Hydrolysis filling is positioned in the middle part of the body of pond, adopts 3 D elastic filler or half elastic filler.
3. efficient AOAS integrated sewage treating apparatus according to claim 2, it is characterized in that: described first order reaction settling tank, second order reaction settling tank include the reaction zone that become by baffle for separating and settling region, reaction zone is communicated with bottom settling region, the aeration plate of aerating system is arranged at bottom reaction zone, is added with suspended biological filler in the water body of reaction zone.
4. efficient AOAS integrated sewage treating apparatus according to claim 3, is characterized in that: described first order reaction settling tank dividing plate is positioned at reaction settling basin side, and dividing plate forms one-sided settling region by bottom to the water surface and reaction precipitation pool wall.
5. efficient AOAS integrated sewage treating apparatus according to claim 3, is characterized in that: described second order reaction settling tank dividing plate is positioned at reaction settling basin surrounding, dividing plate by bottom to the water surface and reaction precipitation pool wall formed around settling region.
6. efficient AOAS integrated sewage treating apparatus according to claim 3, is characterized in that: described efficient flocculating settling tank comprises flocculation flap district and tube settling district; Flocculation flap district is made up of the many groups of water conservancy diversion risers be arranged in juxtaposition and water conservancy diversion transverse slat; Tube settling district height 0.6 ~ 1.5m, inclined tube angle of inclination is 60 degree, and effluent trough is arranged at top, tube settling district.
7. the efficient AOAS integrated sewage treating apparatus according to any one of claim 1 to 6, it is characterized in that: be communicated with by perforated pipe between the anaerobic fixed film reactor that described body treatment facility is communicated with successively, first order reaction settling tank, second order reaction settling tank, efficient flocculating settling tank, described perforated pipe caliber is 100mm ~ 150mm, tube wall open pore size is 0.8 times of floating stuffing particle diameter, maximumly be no more than 3cm, arranged crosswise that perforate is quincunx, its perforate density is that 0.2 ~ 0.3m/s controls with via hole flow velocity.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710085A (en) * 2015-04-02 2015-06-17 四川省科学城天人环保有限公司 Efficient AOAS integrated sewage treatment device and process thereof
CN110687790A (en) * 2019-10-30 2020-01-14 杭州电子科技大学 Optimal control method for preventing sewage overflow of urban drainage system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710085A (en) * 2015-04-02 2015-06-17 四川省科学城天人环保有限公司 Efficient AOAS integrated sewage treatment device and process thereof
CN104710085B (en) * 2015-04-02 2017-07-07 四川省科学城天人环保有限公司 A kind of efficient AOAS integrated sewage treating apparatus and its technique
CN110687790A (en) * 2019-10-30 2020-01-14 杭州电子科技大学 Optimal control method for preventing sewage overflow of urban drainage system

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