CN102690030A - Unitized urban sewage treatment experiment system - Google Patents
Unitized urban sewage treatment experiment system Download PDFInfo
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- CN102690030A CN102690030A CN2012102113486A CN201210211348A CN102690030A CN 102690030 A CN102690030 A CN 102690030A CN 2012102113486 A CN2012102113486 A CN 2012102113486A CN 201210211348 A CN201210211348 A CN 201210211348A CN 102690030 A CN102690030 A CN 102690030A
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Abstract
The invention provides a unitized urban sewage treatment experiment system, which comprises a first sedimentation unit, a biological treatment unit, a second sedimentation unit, a deep treatment unit and a sludge treatment unit which are connected with one another through water distribution units and are used independently or randomly combined two by two to realize theoretical and teaching experiment functions of the urban sewage treatment experiment system. The units in the system can be used independently or combined freely to construct different urban sewage treatment process systems, so that the unitized urban sewage treatment experiment system can meet the demands on model construction of a sewage plant and on theoretical teaching of a research graduate school, can be used for comprehensively and systematically show and demonstrate the urban sewage treatment system, is beneficial to the cultivation of innovate consciousness, can avoid the repeated purchase of a treatment unit, and is relatively low in maintenance cost.
Description
Technical field
The present invention relates to a kind of blocking municipal sewage treatment experimental system, belong to the polluted water processing technology field.
Background technology
Urban sewage treatment technology makes rapid progress, but the basic processing unit maintenance is constant relatively.Because regulation need be done drainage system and handle experiment in the specialty cultivation outline that relevant speciality steering committee works out; Therefore in colleges and universities, vocational education school and R&D institution, the relevant draining that Water and Waste Water Engineering specialty and environmental engineering speciality and relevant speciality thereof are offered is handled and all need be carried out drainage system in the course and handle and test.
It is independent processing model of element or monophyly model that experimental installation is handled in draining of the prior art; Can't be comprehensively, systematically demonstrate, represent disintegrating system in waste pipe; Especially in widely used urban sewage treatment system, therefore be unfavorable for the cultivation of entire system thinking; Independent processing model of element or monophyly model have processing unit and repeat to purchase phenomenon simultaneously, cause cost to increase.
Summary of the invention
The present invention is independent processing model of element or monophyly model for solving water factory's existing draining processing experimental installation; Cause comprehensively, systematically to demonstrate and to represent disintegrating system in waste pipe; And the cost problem of higher of existing draining processing experimental installation, and then a kind of blocking municipal sewage treatment experimental system is provided.For this reason, the invention provides following technical scheme:
Blocking municipal sewage treatment experimental system; Comprise first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit; Said first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit all are connected through the water distribution unit; Said water distribution unit comprises following at least a device: former pond, sump pump, distributing pipe line or sludge return pipe, said first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit be used for through independent use or arbitrarily at least two kinds combination the theory and the education experiment function of urban sewage treatment system are provided.
Technical scheme by the invention described above provides can be found out; Blocking municipal sewage treatment experimental system provided by the present invention, owing to comprised at least a in first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and the sludge treatment unit, and can use separately or independent assortment between each unit; Make up different cities sewage treatment process system; Can satisfy needs, can comprehensively, systematically demonstrate and represent urban sewage treatment system, be beneficial to the cultivation of creativity consciousness to Sewage Plant Model Construction and scientific research school theory teaching; And avoid processing unit repeat purchase, have lower maintenance cost.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the blocking municipal sewage treatment experimental system that provides of embodiment of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Can comprehensively, systematically demonstrate and represent urban sewage treatment system in order to handle in the course in existing relevant draining; This embodiment is to comprise that first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and the unitary experimental system of sludge treatment are most preferred embodiment; It should be noted that; The embodiment that makes up each unit that chooses among the present invention is not limited to above-mentioned most preferred embodiment, but can carry out independent assortment according to request for utilization.
Below in conjunction with Figure of description this embodiment is elaborated; As shown in Figure 1; Units corresponding municipal sewage treatment experimental system comprises first precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 and sludge treatment unit 5; First precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 all are connected through the water distribution unit with sludge treatment unit 5; Corresponding water distribution unit comprises following at least a device: former pond, sump pump, distributing pipe line or sludge return pipe, first precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 and sludge treatment unit 5 be used for through independent use or arbitrarily at least two kinds combination the theory and the education experiment function of urban sewage treatment system are provided.
Wherein, precipitation unit 1 can comprise settling pit and settling tank.Corresponding settling pit can comprise rotational flow grit chamber, horizontal-flow grit chamber, aerated grit chamber, Dorr settling pit and Zhong Shi settling pit; Corresponding settling tank can comprise horizontal sedimentation tank, radial-flow sedimentation tank, vertical sedimentation tank, tube settler and inclined-plate clarifying basin.Rotational flow grit chamber generally is designed to circle, and the center, pond is provided with the rotation pulpboard of 1 adjustable speed, and irrigation channel is in the tangential position in circle pond, and center, water outlet channel corresponding circle pond, center rotate pulpboard and have sand hopper; Horizontal flow type grit chamber is that the plane is rectangular settling pit; Its main part partly is made up of the canal that becomes a mandarin, sand setting district, the canal that effluents, sand deposition hopper etc.; Two ends are provided with flashboard with the control current, and 1-2 sand bin is set at the bottom of the pond, and sandpipe runs in down; Being used to remove proportion is 2.65, and particle diameter is greater than the sand grains of 0.2mm; Aerated grit chamber is rectangular, and along the whole length direction of canal wall one side, the 60-90cm place installs aerating apparatus at the bottom of the pond; Establish sand collecting hopper in its underpart, the gradient is arranged at the bottom of the pond, slip into to guarantee sand grains; Because the aeration effect, organic granular often is in suspended state in the waste water, the shearing force that sand grains rubs mutually and bears aeration; The organic pollutant that adheres on the sand grains can be removed; Under the centrifugal action of eddy flow, the sand grains that density is bigger is thrown toward the outside and sinks to sand catcher, and the less organism of density flows before with current direction and is brought to next processing unit; The Dorr settling pit is rounded, and sand setting is rotated the machine of strike-ofing and scrapes to the sediment outflow hole,, washes the organism that is attached on the sand grains off along on the inclined-plane rake with reciprocal tooth harrow, washes the organism that comes and is back in the settling pit with sewage through organism return current machine and return line; The clock-type settling pit is a kind of mechanical force control flow-shape and flow velocity of utilizing, and quickens the sand grains deposition, and the sand setting device that organism is taken away with current; Waste water flows into the sand setting district by the influx tangential direction; Utilize phonomoter and transmission mechanism to drive rotating disk and ramp type blade, because the difference of suffered cf-is got rid of sand grains to pool wall; Fall into sand hopper, organism is then sent back in the waste water.The pond type of rectangular sedimentation tank is rectangle, and waste water flows into from an end in pond, and horizontal direction flows through the pond, from the other end outflow in pond, establishes the storage bucket in the ingress bottom in pond, at the bottom of other pond, position the gradient is arranged, tendency storage bucket; It is circular mostly radical sedimentation basin pond body plane is, water inlet pipe gets into the pond to waste water from the center, pond, slowly flows to pond week along radial direction; Suspended substance sedimentation in flowing; And along the pond bottom sloping gets into sludge bucket, Zhou Yiliu goes out water channel to primary water from the pond, radical sedimentation basin adopts the rotary type mud scraper to collect mud more; The mud that the mud scraper scraper plate will be sink at the bottom of the pond is scraped to the sludge bucket at center, pond, relends gravity or sludge pump is drained; The pond body plane figure of vertical sedimentation basin is circular or square; Water gets in the pond from top to bottom by the water inlet pipe that is located at the center, pond; Pipe is divided into umbrella-shaped baffle slowly rises waste water along whole water-carrying section behind the uniform distribution in the pond; Suspended substance sedimentation gets in the heavy bucket of pond base cone shape, and primary water goes out along the peripheral overflow weir flow from the pond all around, and the one side in pond is established shore pipe by pool wall and leaned on hydrostaticpressure that mud is regularly discharged; The parallel pipe or the parallelpiped that in the settling region of flat flow or vertical sedimentation basin, utilize are divided into a series of shallow layer precipitating layers, be processed with the motion and separating each other in each deposition shallow-layer of settled heavy mud; Inclined-plate clarifying basin is meant the settling tank that in the settling region, is provided with swash plate; The parallel baffle that in the settling region of flat flow or vertical sedimentation basin, utilizes is divided into a series of shallow layer precipitating layers, be processed with the motion and separating each other in each deposition shallow-layer of settled heavy mud.
Biological processing unit 2 can comprise aeration tank, biological filter, blodisc, stabilization pond and biological fluidized bed.Certain dwell time of sewage is provided in the pond of aeration tank, satisfies the mixing condition that needed oxygen amount of aerobic microbiological and sewage and active sludge fully contact; The biological filter is to be foundation with the soil self-purification principle; On the practical basis of sewage irrigation; Through the artificial bio-membrane's treatment technology that grows up than primary intermittent sand filtration pond and contact filter; By the biological treatment structures that rubble or plastics filler constitute, the microbial film gap of growing on sewage and the filling surface contacts, and sewage is purified; Blodisc is a kind of of biomembrance process dirty water living creature processing technique; It is the artificial-strengthening that sewage irrigation and soil are handled; This facture makes microfauna growth reproduction on the blodisc filling carrier of a type of mikrobe, the protozoon of bacterium and mushroom, forms membranaceous biological mud-microbial film, and sewage contacts with microbial film after the settling tank primary treatment; Organic pollutant in the microorganism panning sewage on the microbial film is purified sewage as nutrition; The scavenging process of stabilization pond normally carries out suitable manual amendment with the soil, builds up the pond, and embankment and impervious barrier are set, and relies on the mikrobe of growth in the pool to dispose of sewage; Biological fluidized bed is meant to improving the processing efficiency of biomembrance process; Make filler and as biofilm carrier with sand; The bottom-up casting bed that flows through of waste water makes carrier layer be flow state; Thereby strengthen the contact area and fully oxygen supply of microbial film in the unit time, and utilize the filler boiling state to strengthen the structures of biological wastewater treatment process with waste water.
Second precipitation unit 3 can comprise horizontal sedimentation tank, radial-flow sedimentation tank, vertical sedimentation tank, tube settler and inclined-plate clarifying basin.
Advanced treatment unit 4 can comprise gac pond, crust top Pu's process pool and A
2The O process pool.Active carbon adsorption is extensively used the advanced treatment of waste water secondary treatment yielding water; Gac is to process with carbonaceousmaterial activation under the high temperature anoxia condition such as timber, coal, shells; It has huge specific surface area, utilizes the water treatment method of performances such as physical adsorption, chemisorption, oxidation, catalyzed oxidation and the reduction removal water pollutant of gac; Crust top Pu's technology is a technology of synchronous denitrification dephosphorizing, is made up of first anaerobic reactor (denitrification denitrogenation releases phosphorus), first aerobic reactor (removing BOD, nitrated Absorption of Phosphorus), second anaerobic reactor (releases phosphorus denitrification denitrogenation), second best oxygen reactor (Absorption of Phosphorus go out except that BOD nitrated); A
2O method synchronous denitrogen dephosphorus technology adds an anoxic pond in the anaerobic-aerobic dephosphorization process, with the effusive a part of mixed-liquor return of Aerobic Pond to the anoxic pond front end, to reach the purpose of nitrated denitrogenation, A
2The dephosphorization denitrogenation mechanism synchronously of O method is made up of two portions: the one, and dephosphorization, the phosphorus in the sewage discharges polyP bacteria under anaerobic state; Under aerobic situation,, discharge system, the 2nd, denitrogenation with the form of excess sludge again with its more absorption more; The effect of oxygen denitrifier owing to hold concurrently; Utilize that BOD supplies with body as hydrogen in the water, will be reduced into nitrogen from the nitrate salt in the Aerobic Pond mixed solution and nitrite and escape into atmosphere, reach the purpose of denitrogenation.
First precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 and sludge treatment unit 5 all can adopt pmma material, so that the observation experiment phenomenon of image.
In this embodiment, first precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 and sludge treatment unit 5 all can use separately, also can freely form various urban sewage treatment systems.First precipitation unit 1, biological processing unit 2, second precipitation unit 3, advanced treatment unit 4 and sludge treatment unit 5 can be made into different treatment ability process system, to adapt to experiment, scientific research space and model proportion requirement.
The blocking municipal sewage treatment experimental system that this embodiment provides has comprised existing typical urban sewage treatment structure model; Each unit adopts suitable mode of connection; Constitute the complete complete urban sewage treatment system of each processing mode, and respectively handle unit-modularizedly, different units can independent assortment; Make up the different cities Sewage treatment systems, can satisfy the needs of Sewage Plant Model Construction and scientific research school theory teaching.Can be comprehensively, systematically demonstrate, represent the draining biological treatment system, be beneficial to the cultivation of creativity consciousness, and avoid processing unit repeat purchase, have lower maintenance cost.
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the embodiment of the invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. blocking municipal sewage treatment experimental system; It is characterized in that; Comprise first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit; Said first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit all are connected through the water distribution unit; Said water distribution unit comprises following at least a device: former pond, sump pump, distributing pipe line or sludge return pipe, said first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit be used for through independent use or arbitrarily at least two kinds combination the theory and the education experiment function of urban sewage treatment system are provided.
2. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that described precipitation unit comprises settling pit and settling tank.
3. blocking municipal sewage treatment experimental system according to claim 2; It is characterized in that; Said settling pit comprises rotational flow grit chamber, horizontal-flow grit chamber, aerated grit chamber, Dorr settling pit and Zhong Shi settling pit, and said settling tank comprises horizontal sedimentation tank, radial-flow sedimentation tank, vertical sedimentation tank, tube settler and inclined-plate clarifying basin.
4. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that said biological processing unit comprises aeration tank, biological filter, blodisc, stabilization pond and biological fluidized bed.
5. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that said second precipitation unit comprises horizontal sedimentation tank, radial-flow sedimentation tank, vertical sedimentation tank, tube settler and inclined-plate clarifying basin.
6. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that, said advanced treatment unit comprises gac pond, crust top Pu's process pool and A
2The O process pool.
7. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that said sludge treatment unit comprises sludge thickener, anaerobic digester and aerobic digestion tank.
8. blocking municipal sewage treatment experimental system according to claim 1 is characterized in that said first precipitation unit, biological processing unit, second precipitation unit, advanced treatment unit and sludge treatment unit all adopt pmma material.
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| CN2012102113486A CN102690030A (en) | 2012-06-21 | 2012-06-21 | Unitized urban sewage treatment experiment system |
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Cited By (4)
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| CN103112990A (en) * | 2012-11-22 | 2013-05-22 | 天长市飞龙金属制品有限公司 | Sewage purification treatment process |
| CN104775507A (en) * | 2015-04-23 | 2015-07-15 | 洼石环境工程（上海）有限公司 | Aeration sand setting device of inspection well |
| CN105060632A (en) * | 2015-08-05 | 2015-11-18 | 北京泰昌科睿环保科技有限公司 | Town sewage treatment system and method |
| CN114085018A (en) * | 2021-11-28 | 2022-02-25 | 刘艳 | Municipal sludge and biological membrane combined type integrated treatment equipment |
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Cited By (5)
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| CN104775507A (en) * | 2015-04-23 | 2015-07-15 | 洼石环境工程（上海）有限公司 | Aeration sand setting device of inspection well |
| CN105060632A (en) * | 2015-08-05 | 2015-11-18 | 北京泰昌科睿环保科技有限公司 | Town sewage treatment system and method |
| CN114085018A (en) * | 2021-11-28 | 2022-02-25 | 刘艳 | Municipal sludge and biological membrane combined type integrated treatment equipment |
| CN114085018B (en) * | 2021-11-28 | 2024-01-23 | 刘艳 | Urban sludge biomembrane combined type integrated treatment equipment |
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Application publication date: 20120926 |