CN105399211A - Control method of water seal and flow uniformity for modular constructed wetlands - Google Patents
Control method of water seal and flow uniformity for modular constructed wetlands Download PDFInfo
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- CN105399211A CN105399211A CN201510963536.8A CN201510963536A CN105399211A CN 105399211 A CN105399211 A CN 105399211A CN 201510963536 A CN201510963536 A CN 201510963536A CN 105399211 A CN105399211 A CN 105399211A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention provides a control method of water seal and flow uniformity for modular constructed wetlands. The modular artificial wetlands consist of a plurality of modules in series, parallel or series-parallel combination. A module 1 is located at a water inlet end; the pre-treated sewage enters a water distribution channel before entering the modular constructed wetlands system; a water distribution flower wall is arranged between the distribution channel and module 1, so that the sewage flows uniformly over the entire matrix section, and eventually enters a water-collecting groove at the rear end of a final module; no water inlet or outlet pipe is located among the modules, so as to reduce the interference on water supplement uniformity of sewage on the cross section of the wetland matrix; the sealing rubber rings among the modules prevent the flow of sewage among the gaps between the modules and the matrix elements, so as to improve the effectiveness of section water distribution of the system; the overflow boards can realize the redistribution of sewage among the modules, so that the water flow uniformity of downstream modules are not interference by the upstream modules; and non-woven fabrics can block the flow of water among the gaps. In summary, the method can ensure the water seal and flow uniformity of modular artificial wetlands.
Description
Technical field
The invention belongs to technical field of sewage, particularly a kind of modularized artificial wetland Water tight and flow uniformity control method, be particularly useful in the lower rural area of short-term, emergent sewage disposal and the density of population, Small Town Wastewater process.
Background technology
Artificial swamp is a kind of dirty water living creature processing technique grown up phase late 1970s.This technology is owing to having the advantages such as invest and working cost is low, maintenance management is convenient, the fund that the is particularly suitable for Rural areas that fall behind relative to technology.Under China's this overall background of rural environment Concetrated control, this technology obtains to be promoted the use of widely.But, in operational process on the spot, although it is found that this technology has maintenance management advantage easily, also possess the shortcoming that significantly can not regulate and control.Except the influent load of system, the content that managerial personnel can regulate and control is also few.Controllable poor performance is that current most of artificial swamp runs unsuccessfully, as there is the major reason of substrate clogging.For improving the operational flexibility of artificial wet land system and Modulatory character, the developing direction that modularization transformation will be this technology future is carried out to artificial swamp.But, after Traditional Man wetland is divided into some little modules by monoblock wetland, produce material impact by the streamflow regime in artificial swamp.Whether whether water distribution is evenly directly connected to wetland can steady running.Therefore, the present invention is directed to the problems referred to above existed in artificial wetland modules transformation process, the control method of a kind of modularized artificial wetland Water tight and flow uniformity is provided.
To achieve these goals, the technical solution used in the present invention is:
A kind of modularized artificial wetland Water tight and flow uniformity control method, the mode that described modularized artificial wetland is combined by series, parallel or series-parallel connection by several modules forms, module 1 is positioned at feed-water end, before entering modularized artificial wetland system, distributing trough 26 is introduced into through pretreated sewage, be provided with water distribution tracery wall 27 between distributing trough 26 and module 1, make sewage Uniform Flow on whole matrix section.
The module that described modularized artificial wetland is adjacent is only directly connected with its own mechanical component with between module, do not need between module and module to arrange water inlet pipe and water outlet pipe, reduce greatly and traditional monoblock artificial wet land system modularization is split the interference to sewage moisturizing homogeneity on Wetland Substrate transverse section caused.
Described mechanical component is snap close 14, watertight rubber circle 13 is provided with between described adjacent module and module, can prevent from flowing between the gap of sewage between module and matrix unit, ensure that all sewage entered in specific artificial Wetland Substrate unit are all by Wetland Substrate, improve the validity of system section water distribution.
Gap is left between the module that described modularized artificial wetland is adjacent and module, Wetland Substrate is not filled in gap, by arranging overflow plate 22, realize the again sub-distribution of sewage between module and module, the flow uniformity between guarantee downstream module is by the interference of up-stream module.Compared with Traditional Man wet land sewage treating process, the moisturizing homogeneity of current on Wetland Substrate section has more advantage ensureing
Described each module comprises cubical framework 12, matrix unit 1 is disposed with along water (flow) direction in framework 12, matrix unit 24 and matrix unit 35, wherein, matrix unit 1, filler 28 is in matrix unit 24 and matrix unit 35, described filler 28 is by the filling block 1 distributed from bottom to top, filling block 27, filling block 38 and filling block 49 form, packing material size wherein reduces successively, each filling block there is independently draw ring 2 16, between filling block and filling block, between matrix unit and matrix unit and between matrix unit and framework 12, be provided with non-woven fabrics 25, flow between each gap to block water.
Described matrix unit 1 is identical with the structure of matrix unit 35, be up-small and down-big wedge structure, matrix unit 24 is up big and down small wedge structure, be stuck between matrix unit 1 and matrix unit 35, matrix unit 1 is subject to extruding left and is moved to the left, and compresses the watertight rubber circle 13 of feed-water end further; Matrix unit 35 is subject to extruding to the right and moves right, and the watertight rubber circle 13 of further compression module water side, makes the Water tight of module better.
The sidewalls orthogonal water (flow) direction of the framework 17 of described matrix unit 1, matrix unit 24 and matrix unit 35 evenly offers some permeable holes 18, the average equivalent kinetic diameter of the bore dia of permeable hole 18 and the sewage seepage channel in filler is suitable, is conducive to water Uniform Flow in module.Framework 17 is made up of waterproof material, close contact between its outer wall and module inwall.
The system water outlet of described modularized artificial wetland arranges water leg 23, water leg 23 and last intermodule arrange overflow plate 22, by regulating the depth of water of each artificial wetland modules of Altitude control of overflow plate 22, strengthen the flow uniformity of artificial swamp and the Modulatory character of water level.
In module, the filler of same particle size is laid at same depth of water place, adopts the filler of same particle diameter as far as possible, flow uniformity in guarantee system under the prerequisite ensureing contaminant-removal properties.
Compared with prior art, the invention has the beneficial effects as follows:
Structure of the present invention is simple, and easy for installation, the construction period is short, stable, and initial failure period is short, and treatment effect is high.When Performance of Constructed Wetlands Substrates blocks, bed rest and reorganization need not be stopped and can recover its partial permeability, more need not change on a large scale, excavate wet land filler, only need change blocking module or matrix unit, greatly reduce wetland operation and maintenance cost.
The present invention can realize existing dress now use, greatly shortens the time that artificial swamp reaches high treatment efficiency; Artificial wetland modules can global transfer, and strange land is built again, can not forever take up an area; When blocking occurs wetland, the draw ring of lift filling block or matrix unit, proposes blocking portion, changes new filling block or matrix unit; Old module, matrix unit and interior filler, through safeguarding, regenerating after returning factory, can realize repeatedly utilizing, avoid the wasting of resources.
Present invention achieves quick-replaceable blocking module, extend the artificial swamp life-span, improve wetland variation efficiency, for artificial swamp be applied in the more sparse rural area of population, samll cities and towns and outlying mountain area, provide favourable embodiment.
Present invention achieves the accurate control of modularized artificial wetland Water tight and flow uniformity.
Accompanying drawing explanation
Fig. 1 be invention control method based on a kind of modular structure schematic diagram of modularized artificial wetland.
Fig. 2 is matrix unit one structural representation of the present invention.
Fig. 3 is matrix unit two structural representation of the present invention.
Fig. 4 is multiple module artificial swamp structural representation of the present invention.
Fig. 5 is process water collection structure schematic diagram of the present invention.
Fig. 6 is water inlet structure schematic diagram of the present invention.
Embodiment
Embodiments of the present invention are described in detail below in conjunction with drawings and Examples.
A kind of modularized artificial wetland Water tight of the present invention and flow uniformity control method, the mode that modularized artificial wetland is combined by series, parallel or series-parallel connection by several relatively independent moveable modules forms, can according to process needs, carry out horizontal or longitudinal arbitrary combination at the construction field (site) fast to connect, solve the deficiency of artificial swamp construction period length.
As shown in Figure 1, module 1 is positioned at feed-water end, wherein, each module comprises cubical framework 12, set gradually the matrix unit 1 of top tape draw ring 1 along water (flow) direction in framework 12, matrix unit 24 and matrix unit 35, wherein, matrix unit 1, matrix unit 24 and matrix unit 35 are all followed successively by filling block 1 from top to bottom, filling block 27, filling block 38 and filling block 49, after pre-treatment, sewage enters distributing trough 26, module 1 is entered through water distribution tracery wall 27, successively by matrix unit 1, after matrix unit 24 and matrix unit 35, module 22 is entered through overflow plate 22, overflow plate 22 can make sewage uniformly penetrating to the whole section of module 22.So, treatment sewage flows along each module, and final inflow is positioned at the water leg 23 of last step module rear end.Being connected between two modules in water (flow) direction connects with snap close 14, and is provided with watertight rubber circle 13, does not need to be connected water inlet pipe and water outlet pipe, thus reduce the waste of land resources between module with module.
Matrix unit 1 is identical with the structure of matrix unit 35, be up-small and down-big wedge structure, a kind of filler filling form in matrix unit, as shown in Figure 2, for the filling block 1, filling block 27, filling block 38 and filling block 49 form that are reduced successively by particle diameter from bottom to top, such as, can be followed successively by: the filling block that particle diameter is large, larger filling block, less filling block, clay filling block.
Matrix unit 24 is up big and down small wedge structure, as shown in Figure 3, is stuck between matrix unit 1 and matrix unit 35.Filler can select the filler 28 of taming in advance directly to insert, and now do not adopt independently filling block, filler 28 from top to bottom particle diameter increases progressively.
Matrix unit 1, matrix unit 24 and matrix unit 35 are all customizing in factory, and its specification sets according to actual demand, and filling block 1, filling block 27, filling block 38 and filling block 49 are also tame gained in advance, can in enormous quantities, suitability for industrialized production.
Between matrix unit and matrix unit, between matrix unit and framework 12 and between filling block and filling block, be provided with non-woven fabrics 25, flow between each gap to block water.The setting of water distribution tracery wall 27 and non-woven fabrics 25, be conducive to making system water distribution even, infiltration cross-sectional area is large, at utmost plays artificial wetland treatment function.
The lower surface of the inside of modules is provided with two groups of pulleys 10, and matrix unit 1 and matrix unit 35 are separately positioned on one group of pulley 10.
The upper surface of matrix unit 1, matrix unit 24 and matrix unit 35 is all planted and is implanted with vegetation 15.
During in-site installation, first matrix unit 1 is placed on the pulley 10 on the left of inside modules, then matrix unit 35 is placed on the pulley 10 on the right side of inside modules, finally put matrix unit 24, make it form a complete module.
Figure 4 shows that a kind of array mode, parallel connection is carried out again after modules series connection, water inlet is diverted to each branch through shunt conduit 19, water outlet collects through interflow pipeline 20 again, distributing trough 26, water distribution tracery wall 27, overflow plate 22, watertight rubber circle 13 and the isostructural setting of non-woven fabrics 25 in process, make water distribution evenly and ensure that good water seal feature.
Artificial swamp shown in Fig. 5, Fig. 6 by 2 independently block coupled in series form, module 1 is positioned at top, and module 22 is positioned at terminal.Be connected with snap close 14 between module 1 with module 22, and overflow plate 22 and watertight rubber circle 13 are installed, improve the problem that Traditional Man wetland water shutoff poor performance, wastewater treatment efficiency are bad.
In the present invention, when blocking occurs filler in certain matrix unit, only need change the module or corresponding matrix unit or filling block that occur to block, the parts recycling more swapped out, economizes on resources, and can greatly reduce quantities simultaneously, whole device dismounting is simple, easy for installation.While replacing module or matrix unit, artificial swamp does not need to stop bed, continuously-running, ensures the processing efficiency of artificial swamp.
In the present invention, the equal mass production of matrix unit, filling block, on-the-spot directly spelling is loaded, and realize plug and play, the engineering time is short, and wetland sewage treating efficiency is high.
Claims (10)
1. a modularized artificial wetland Water tight and flow uniformity control method, it is characterized in that, the mode that described modularized artificial wetland is combined by series, parallel or series-parallel connection by several modules forms, module one (1) is positioned at feed-water end, before entering modularized artificial wetland system, distributing trough (26) is introduced into through pretreated sewage, be provided with water distribution tracery wall (27) between distributing trough (26) and module one (1), make sewage Uniform Flow on whole matrix section.
2. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, it is characterized in that, the module that described modularized artificial wetland is adjacent is only directly connected with its own mechanical component with between module.
3. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, it is characterized in that, described mechanical component is snap close (14), is provided with watertight rubber circle (13) between described adjacent module and module.
4. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, it is characterized in that, gap is left between the module that described modularized artificial wetland is adjacent and module, Wetland Substrate is not filled in gap, by arranging overflow plate (22), realize the again sub-distribution of sewage between module and module, the flow uniformity between guarantee downstream module is by the interference of up-stream module.
5. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, it is characterized in that, described each module comprises cubical framework (12), matrix unit one (3) is disposed with along water (flow) direction in framework (12), matrix unit two (4) and matrix unit three (5), wherein, matrix unit one (3), filler (28) is in matrix unit two (4) and matrix unit three (5), described filler (28) is by the filling block one (6) distributed from bottom to top, filling block two (7), filling block three (8) and filling block four (9) form, packing material size wherein reduces successively, each filling block there is independently draw ring two (16), between filling block and filling block, between matrix unit and matrix unit and between matrix unit and framework (12), be provided with non-woven fabrics (25), flow between each gap to block water.
6. modularized artificial wetland Water tight and flow uniformity control method according to claim 5, it is characterized in that, described matrix unit one (3) is identical with the structure of matrix unit three (5), be up-small and down-big wedge structure, matrix unit two (4) is up big and down small wedge structure, is stuck between matrix unit one (3) and matrix unit three (5).
7. modularized artificial wetland Water tight and flow uniformity control method according to claim 5, it is characterized in that, the sidewalls orthogonal water (flow) direction of the framework (17) of described matrix unit one (3), matrix unit two (4) and matrix unit three (5) evenly offers some permeable holes (18), and the bore dia of permeable hole (18) is suitable with the average equivalent kinetic diameter of the seepage channel of sewage in filler.
8. modularized artificial wetland Water tight and flow uniformity control method according to claim 7, it is characterized in that, described framework (17) is made up of waterproof material, close contact between its outer wall and module inwall.
9. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, it is characterized in that, the system water outlet of described modularized artificial wetland arranges water leg (23), water leg (23) and last intermodule arrange overflow plate (22), by regulating the depth of water of each artificial wetland modules of Altitude control of overflow plate (22).
10. modularized artificial wetland Water tight and flow uniformity control method according to claim 1, is characterized in that, in module, the filler of same particle size is laid at same depth of water place.
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Cited By (6)
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| CN105858900A (en) * | 2016-05-18 | 2016-08-17 | 东南大学 | Modularized grid-type combined artificial wetland system |
| CN105858901A (en) * | 2016-05-18 | 2016-08-17 | 东南大学 | Preprocessed inserted type combined artificial wetland system |
| CN105923740A (en) * | 2016-06-03 | 2016-09-07 | 上海勘测设计研究院有限公司 | Ecological purifying module, ecological purifying component and using method of ecological purifying module |
| CN107337312A (en) * | 2017-07-19 | 2017-11-10 | 中科鼎实环境工程股份有限公司 | Modularization can group unload formula artificial wet land system and its drowned flow artificial wet land assembly |
| CN108298692A (en) * | 2018-04-16 | 2018-07-20 | 九江赛恩斯环保科技发展有限公司 | Adjustable type artificial wet land system |
| CN112573665A (en) * | 2020-12-09 | 2021-03-30 | 花王生态工程股份有限公司 | Modular splicing system for rapid construction of constructed wetland |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105858900A (en) * | 2016-05-18 | 2016-08-17 | 东南大学 | Modularized grid-type combined artificial wetland system |
| CN105858901A (en) * | 2016-05-18 | 2016-08-17 | 东南大学 | Preprocessed inserted type combined artificial wetland system |
| CN105923740A (en) * | 2016-06-03 | 2016-09-07 | 上海勘测设计研究院有限公司 | Ecological purifying module, ecological purifying component and using method of ecological purifying module |
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| CN107337312A (en) * | 2017-07-19 | 2017-11-10 | 中科鼎实环境工程股份有限公司 | Modularization can group unload formula artificial wet land system and its drowned flow artificial wet land assembly |
| CN108298692A (en) * | 2018-04-16 | 2018-07-20 | 九江赛恩斯环保科技发展有限公司 | Adjustable type artificial wet land system |
| CN108298692B (en) * | 2018-04-16 | 2024-03-26 | 九江赛恩斯环保科技发展有限公司 | Adjustable constructed wetland system |
| CN112573665A (en) * | 2020-12-09 | 2021-03-30 | 花王生态工程股份有限公司 | Modular splicing system for rapid construction of constructed wetland |
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