CN102515357A - Water-distributing device for large-size artificial wetland sewage treatment system - Google Patents
Water-distributing device for large-size artificial wetland sewage treatment system Download PDFInfo
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- CN102515357A CN102515357A CN2011103842544A CN201110384254A CN102515357A CN 102515357 A CN102515357 A CN 102515357A CN 2011103842544 A CN2011103842544 A CN 2011103842544A CN 201110384254 A CN201110384254 A CN 201110384254A CN 102515357 A CN102515357 A CN 102515357A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to a water-distributing device for a large-size artificial wetland sewage treatment system. A plurality of water-distributing tanks are constructed on the outer edge of an adjusting tank; the water-distributing tanks are in one-to-one correspondence with wetland units; a water inlet pipe is mounted on a wall of the adjusting tank; a discharging pipe is arranged at the bottom of the adjusting tank; each of the water-distributing tanks comprises a front unit of water-distributing tank and a rear unit of water-distributing tank; each front unit of water-distributing tank is separated from the adjusting tank through a wall; a water inlet of water-distributing tank is arranged on the wall; a water-distributing electrically operated valve is mounted at the water inlet of water-distributing tank; each front unit of water-distributing tank is communicated with the adjusting tank through the water inlet of water-distributing tank; each rear unit of water-distributing tank is separated from each front unit of water-distributing tank through the wall; a triangular weir is arranged on the wall; an adjusting baffle is mounted on the triangular weir; each rear unit of water-distributing tank is communicated with each front unit of water-distributing tank through the triangular weir; and a water-distributing pipeline is mounted in each rear unit of water-distributing tank. From pre-treating facilities to the artificial wetland main processing units, water can be uniformly distributed and reaeration is sufficient, so that the efficient treating capacity of the whole artificial wetland system can be brought into play.
Description
Technical field
The present invention relates to a kind of water distribution mode that is used for the large-sized artificial marsh sewage treatment system, belong to environment-friendly engineering and water-treatment technology field.
Background technology
Along with socioeconomic fast development, natural resources consumes excessively, and ecotope constantly worsens, and particularly water pollution and eutrophication phenomenon are on the rise.In order to adapt to the requirement of Sustainable development, the means of being badly in need of searching science safety, easy to maintenance, economically feasible, ecological, environmental protective are disposed of sewage.
Main at present source of pollution control and the ecological restoring method of adopting administered, and artificial swamp is one of important scientific method.Artificial swamp is a kind of polluted water land treatment technology of continuous evolution; The ultimate principle of artificial swamp ecosystem water purification technology is: the specific plant of plantation on certain filler is added to sewage on the artificial wetland of building that is similar to the marsh, when effluent stream is crossed artificial swamp; Filter through sandstone, soil; Through the multiple microbial activities of aerobic one by one in the matrix fill layer of sand, anaerobic reaction micro unit and plant rhizosphere, the biochemical degradation deposition reduces Pollutant levels; Water quality is purified, until qualified discharge.Treating processes comprises biochemical reaction, like decomposition and anabolism, plant absorbing; Physical-chemical reaction is as precipitating absorption etc.The removal of suspended particulate mainly is to filter and gravity sedimentation.The plant that plantation soil removability in filter bed surface has view property by force again.
Artificial marsh sewage treatment system in China rural area, the application of samll cities and towns is more extensive, in, the sanitary sewage disposal engineering of samll cities and towns, day output is little, generally be tens cubes to hundreds of cube.Treatment scheme is only to connect one or two artificial swamp filter bed behind the pre-treatment facility mostly, so water distribution system is simple, directly by the water pump in the pre-treatment facility sewage is pumped into water distribution pipe, again by water distribution system to artificial swamp processing unit water distribution.Instance is then less relatively at home for the big artificial marsh sewage treatment system of treatment capacity, and to such artificial marsh sewage treatment system, artificial swamp main body treatment facility generally should be made up of several artificial swamp processing units.
In artificial marsh sewage treatment system; Nitrogen in the sewage mainly is removed through nitrated, the denitrification of plant absorbing and mikrobe; Wherein plant absorbing has only been removed the nitrogen of small portion in the sewage; And the removal of nitrogen mainly is that nitrification and denitrification through mikrobe is used for accomplishing in the sewage, and dissolved oxygen is high more, and nitrification is thorough more.The oxygen that the aerobic decomposition of organophosphorus is consumed in the artificial swamp is mainly from atmosphere natural reaeration and wetland plant oxygen supply.Dissolved oxygen level is high more, helps the degraded and mikrobe the absorbing phosphorus of phosphorus more.Therefore competent oxygenation is the powerful measure that improves the artificial swamp purification efficiency.
The essential condition of artificial marsh sewage treatment system long-time running is that pre-treatment is the high-level efficiency and the high stability of equalizing tank, and its effect is the adjusting of the water yield and water quality.Equalizing tank on the one hand, through hold back, precipitated solid particle and suspended substance, reduce the pollutant load of sewage; On the other hand, come the water yield evenly to batch in the artificial swamp processing unit according to sewage.The pool bottom sludge of equalizing tank is through the emptying system periodic cleaning.Good pre-treatment is the assurance of artificial wet land system long-time running.
In order to guarantee that even water distribution, reoxygenation are abundant, the artificial marsh sewage treatment system water distribution mode that treatment capacity is big is comparatively complicated, at present this type of technological report not as yet.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system is provided.
The object of the invention is realized through following technical scheme:
Be used for the water dispensing apparatus of large-sized artificial marsh sewage treatment system, characteristics are: comprise equalizing tank and distribution reservoir, said equalizing tank comprises the substrate of blotter and the body of wall of water-proof concrete; Said equalizing tank outer rim is built with a plurality of distribution reservoirs, and distribution reservoir connects one to one through water distribution pipe and wetland unit, is installed into water pipe on the body of wall of equalizing tank; The bottom of equalizing tank is provided with blow-down pipe; Said distribution reservoir comprises the substrate of blotter and the body of wall of water-proof concrete, and each distribution reservoir comprises unit behind distribution reservoir front unit and the distribution reservoir, and distribution reservoir front unit and equalizing tank are separated by body of wall; Body of wall is provided with the distribution reservoir water-in; Distribution reservoir water-in position is equipped with the water distribution motorized valve, and the distribution reservoir front unit is connected with equalizing tank through the distribution reservoir water-in, and unit and distribution reservoir front unit are separated by body of wall behind the distribution reservoir; Body of wall is provided with V-notch weir; The V-notch weir position is equipped with controllable register, and the unit is connected with the distribution reservoir front unit through V-notch weir behind the distribution reservoir, and water distribution pipe is installed in the unit behind the distribution reservoir.
Further, the above-mentioned water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system, the quantity of said distribution reservoir is 20.
Further, the above-mentioned water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system, the top of the body of wall of said equalizing tank is equipped with upflow tube.
Further, the above-mentioned water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system, the shape of said equalizing tank is cylindrical structure.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
1. the present invention provides reference for the bigger design of artificial marsh sewage treatment system on water distribution mode of treatment capacity; Sewage gets into equalizing tank; In equalizing tank, cushion, equalizing tank is located at the middle position of whole artificial marsh sewage treatment system, and the physical features vertex that is in treatment system is for best; In equalizing tank main body outer rim several distribution reservoirs are set, the sewage of equalizing tank is assigned to different wetland units by distribution reservoir;
2. the present invention guarantees in the big artificial wet land treating system of flow, can even water distribution from the pre-treatment facility to artificial swamp main body processing unit;
3. in the water distribution structure design of the present invention several distribution reservoirs and wetland processing unit are set, make the wetland unit intermittent operation, reoxygenation is abundant, helps bringing into play artificial wet land treating system processing power efficiently;
4. whole water distribution process of the present invention realizes robotization control, and system's operation is intelligent, the manpower and the time of the operation of saving system.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1: floor map of the present invention;
Fig. 2: diagrammatic cross-section of the present invention.
Embodiment
As shown in Figure 1, be used for the water dispensing apparatus of large-sized artificial marsh sewage treatment system, comprise equalizing tank 1 and distribution reservoir 2; The shape of equalizing tank 1 is cylindrical structure, and equalizing tank 1 comprises the substrate 12 of blotter and the body of wall 8 of water-proof concrete, and equalizing tank 1 outer rim is built with a plurality of distribution reservoirs 2; The preferred amount of distribution reservoir is 20, and distribution reservoir 2 connects one to one through water distribution pipe and wetland unit, is installed into water pipe 11 on the body of wall of equalizing tank 1; The bottom of equalizing tank 1 is provided with blow-down pipe 9, and the top of the body of wall of equalizing tank 1 is equipped with upflow tube 10, and distribution reservoir 2 comprises the substrate of blotter and the body of wall of water-proof concrete; As shown in Figure 2, each distribution reservoir comprises unit behind distribution reservoir front unit and the distribution reservoir, and the distribution reservoir front unit is separated by body of wall with equalizing tank 1; Body of wall is provided with distribution reservoir water-in 7; Distribution reservoir water-in 7 positions are equipped with water distribution motorized valve 3, and the distribution reservoir front unit is connected with equalizing tank 1 through distribution reservoir water-in 7, and the unit is separated by body of wall with the distribution reservoir front unit behind the distribution reservoir; Body of wall is provided with V-notch weir 6; V-notch weir 6 positions are equipped with controllable register 4, and the unit is connected with the distribution reservoir front unit through V-notch weir 6 behind the distribution reservoir, and water distribution pipe 5 is installed in the unit behind the distribution reservoir.
Sewage gets into distribution reservoir 2 after by equalizing tank 1 buffered, and distribution reservoir 2 is corresponding one by one with wetland unit, and total system is moved and controlled by PLC.The water distribution water yield of wetland unit is confirmed according to the area of wetland unit and the ratio of minimum load to maximum load of water distribution uniformity.With the day amount of disposing of sewage 4000m
3, the artificial marsh sewage treatment system of 20 artificial swamp processing units of design is an example.Each wetland unit 200 m3 that dispose of sewage every day, each minimum 20m of water distribution
3, every day maximum 10 water distributions, the total water distribution number of times of system is 20 unit * 10=200.
Equalizing tank 1 is made substrate 12 by blotter; Water-proof concrete pours into body of wall 8, at the bottom of the pond two side direction equalizing tanks central authorities tilt about 5 ‰ so that current direction equalizing tank central authorities concentrate; The pool inner water body can all be discharged through blow-down pipe 9 in case of emergency or during overhaul of the equipments; The pool bottom sludge of equalizing tank also can be cleared up through blow-down pipe 9, when upflow tube 10 surpasses designated water level at the equalizing tank water level, unnecessary water body in the pond is overflowed.Particular design is that the equalizing tank outer rim makes up several distribution reservoirs 2, and distribution reservoir is corresponding one by one with wetland unit through water distribution pipe.
Sewage gets into equalizing tank 1 by water inlet pipe 11, behind the sewage that equalizing tank 1 is accepted from water inlet pipe 11, cushions and the preliminary sedimentation processing.Total system is controlled water distribution through PLC, because the total water distribution number of times of system is 200 times, therefore per 0.12 hour (24 hours/200 times), sewage is pressed the PLC program setting, successively gets into each distribution reservoir 2.
The structure of distribution reservoir 2 is made substrate by blotter equally, and water-proof concrete pours into body of wall, and each distribution reservoir is provided with two unit, unit behind distribution reservoir front unit, the distribution reservoir.Be 90 ° of angles between two faces in V-notch weir 6 bottoms, controllable register 4 is used to regulate the flow of V-notch weir 6, and water distribution motorized valve 3 is used to cut out or opens corresponding cloth water unit, and dominant discharge.Press the PLC system and set, when certain distribution reservoir water distribution motorized valve 3 is opened automatically, because equalizing tank 1 is at system's highest point; Through the flow by gravity effect; Sewage from the equalizing tank 1 is introduced into the distribution reservoir front unit, regulates the water flow size by controllable register 4, then unit behind the sewage entering distribution reservoir; Water distribution pipe 5 is installed in the unit behind the distribution reservoir, gets into corresponding wetland unit water distribution system thus.20 wetland units are arranged, before on spatial disposition, having in after order, the elevation of each wetland unit is not quite similar, therefore according to different elevations, water distribution pipe 5 has 3 kinds of Position Design.
The water distributing pore of water distribution system can use nozzle or standard perforate.Use under the situation of nozzle, flow is 20 l/s, and standard case in openings flow is 70 l/s.If certain water distribution unit breaks down, program will be skipped the entering next node.According to the overcurrent flow of flow gaging weir, each unitary opening time programmes separately at interval.PLC control combines with data logging, monitors the cloth water inventory of each wetland unit, so that in time find system problem, and adjustment in time.
The present invention is used for the water distribution mode of large-sized artificial marsh sewage treatment system; Sewage feeds equalizing tank by pipeline, and sewage cushions in equalizing tank, and equalizing tank is located at the middle position of whole artificial marsh sewage treatment system; And the physical features vertex that is in treatment system is for best; The sewage of equalizing tank is assigned to different wetland units by distribution reservoir, and whole water distribution system is automatic operational system, and all functions are by PLC control operation.In equalizing tank main body outer rim several distribution reservoirs are set, distribution reservoir is corresponding one by one with wetland unit.The structure of each distribution reservoir water distribution comprises V-notch weir, controllable register and motorized valve, and motorized valve is used to cut out or opens corresponding cloth water unit, and dominant discharge; Baffle plate is used to regulate the flow of V-notch weir.Each unit intermittent operation is abundant to reach best water distribution effect, reoxygenation.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. be used for the water dispensing apparatus of large-sized artificial marsh sewage treatment system, it is characterized in that: comprise equalizing tank and distribution reservoir, said equalizing tank comprises the substrate of blotter and the body of wall of water-proof concrete; Said equalizing tank outer rim is built with a plurality of distribution reservoirs, and distribution reservoir connects one to one through water distribution pipe and wetland unit, is installed into water pipe on the body of wall of equalizing tank; The bottom of equalizing tank is provided with blow-down pipe; Said distribution reservoir comprises the substrate of blotter and the body of wall of water-proof concrete, and each distribution reservoir comprises unit behind distribution reservoir front unit and the distribution reservoir, and distribution reservoir front unit and equalizing tank are separated by body of wall; Body of wall is provided with the distribution reservoir water-in; Distribution reservoir water-in position is equipped with the water distribution motorized valve, and the distribution reservoir front unit is connected with equalizing tank through the distribution reservoir water-in, and unit and distribution reservoir front unit are separated by body of wall behind the distribution reservoir; Body of wall is provided with V-notch weir; The V-notch weir position is equipped with controllable register, and the unit is connected with the distribution reservoir front unit through V-notch weir behind the distribution reservoir, and water distribution pipe is installed in the unit behind the distribution reservoir.
2. the water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system according to claim 1 is characterized in that: the quantity of said distribution reservoir is 20.
3. the water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system according to claim 1 is characterized in that: the top of the body of wall of said equalizing tank is equipped with upflow tube.
4. the water dispensing apparatus that is used for the large-sized artificial marsh sewage treatment system according to claim 1 is characterized in that: the shape of said equalizing tank is cylindrical structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103842544A CN102515357A (en) | 2011-11-28 | 2011-11-28 | Water-distributing device for large-size artificial wetland sewage treatment system |
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| CN2011103842544A CN102515357A (en) | 2011-11-28 | 2011-11-28 | Water-distributing device for large-size artificial wetland sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662981A (en) * | 2017-11-13 | 2018-02-06 | 苏州德华生态环境科技股份有限公司 | A kind of retention wet land system for river regulation |
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| CN201626866U (en) * | 2010-01-13 | 2010-11-10 | 广西大学 | Water distribution device of horizontal subsurface wetland sewage treatment system |
| CN202390255U (en) * | 2011-11-28 | 2012-08-22 | 杜建强 | Water distribution device for large-scale constructed wetland sewage treatment system |
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2011
- 2011-11-28 CN CN2011103842544A patent/CN102515357A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020086137A (en) * | 2001-05-11 | 2002-11-18 | 정재수 | nature equilibrium vertical flow type artificial swamp system for purging contaminate matter away contaminated water |
| CN201054484Y (en) * | 2007-04-11 | 2008-04-30 | 南京润电电气有限公司 | Liner suspending vertical cable clamper |
| CN101050027A (en) * | 2007-05-11 | 2007-10-10 | 东南大学 | Anti chokage water inflow distributor for manmade marsh |
| CN101081713A (en) * | 2007-07-13 | 2007-12-05 | 北京市水利科学研究所 | Composite artificial marshland water quality clarification system in north low-temperature area |
| CN301054484S (en) * | 2008-10-17 | 2009-11-11 | 姚建平 | Tops (106) |
| CN201545763U (en) * | 2009-11-20 | 2010-08-11 | 西南大学 | Sewage treatment system for pre-acidification-tidal flow polymorphic wetland group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107662981A (en) * | 2017-11-13 | 2018-02-06 | 苏州德华生态环境科技股份有限公司 | A kind of retention wet land system for river regulation |
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Application publication date: 20120627 |