CN103523984B - Landscape-type multifunctional three-dimensional artificial wetland - Google Patents
Landscape-type multifunctional three-dimensional artificial wetland Download PDFInfo
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- CN103523984B CN103523984B CN201210395150.8A CN201210395150A CN103523984B CN 103523984 B CN103523984 B CN 103523984B CN 201210395150 A CN201210395150 A CN 201210395150A CN 103523984 B CN103523984 B CN 103523984B
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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
Abstract
The invention provides a landscape-type multifunctional three-dimensional artificial wetland, and relates to a sewage treatment structure formed by connecting multiple layers of artificial wetland units in series. Each layer of the artificial wetland unit comprises a water distribution groove, a wetland main body and a water discharge groove; the artificial wetland units are positioned in a building formed by floor surfaces and beam columns so as to form a three-dimensional structure arrayed as the shape of floors; the water distribution grooves and water discharge grooves of the artificial wetland units of the adjacent floors are opposite in directions; the wetland main body comprises wetland plants and matrix. The landscape-type multifunctional three-dimensional artificial wetland is constructed by stacking the existing artificial wetlands in a three-dimensional manner so as to be shaped like the floors, so that the land occupation area is greatly reduced; the treatment of seepage-proofing areas can also be reduced. Thus, the construction cost of the artificial wetland is lowered. Compared with the existing artificial wetland, the landscape-type multifunctional three-dimensional artificial wetland provided by the invention has better natural aeration functions and can be used for oxygenating sewage well because waterfall-type water dropping modes among the floors can be adopted. The landscape-type multifunctional three-dimensional artificial wetland can perform thermal insulation to a certain extent, so that the difficult problem that the treatment effect of the traditional artificial wetland is decreased in winter due to the fact that the temperature is too low is solved.
Description
Technical field
The present invention relates to a kind of sewage treatment structure, specifically relate to a kind of Landscape-type multifunctional three-dimensional artificial wetland.
Background technology
Artificial swamp is defined as the complex body be made up of saturated matrix, very water and submerged vegetation, animal and water body of engineer and construction, is one of the natural treatment process (other mainly in addition stabilization pond systems and land treatment system two class) of waste water.
Current artificial swamp is divided into 3 kinds of forms: surface current artificial wetland (SFW), drowned flow artificial wet land (SFS) and vertical current constructed wetland (VCW); Drowned flow artificial wet land is various countries' investigation and application type the most widely.
Artificial wet land system is semi-open, a semi-enclosed ecosystem, which forms good internal recycling, less investment, builds, operation cost is cheap is about about 1/10 to 1/5 of traditional wastewater treatment plant cost, successful of disposing of sewage, simple to operate, safeguard and working cost cheap, can also plant grass while disposing of sewage, breed fish, additional income, economizes on resources, it has good economic benefit and ecological benefits, obtains that people more and more pay close attention to, research and development application.Now become the important practical new technology of sewage disposal.
Found by the document retrieving nearly ten years, up to the present the problem that artificial swamp floor space is larger is not still effectively solved.At present mainly by the optimum combination of artificial swamp mesostroma, waterplant, microorganism, improve wetland variation efficiency and reduce floor space, but result is also not as people's will.In today of the nervous an inch of land is an inch of gold of current land used, floor space greatly seriously constrains the widespread use of artificial swamp, so can the problem that reduce occupation of land face be the vital problem affecting artificial swamp future development.
Summary of the invention
The object of this invention is to provide a kind of Landscape-type multifunctional three-dimensional artificial wetland, adopt the form of floor, by existing artificial swamp with the stacked structure of three-dimensional mode, exchange area for space thus can the floor space of minimizing artificial swamp of high degree.
Technical scheme of the present invention is: a kind of Landscape-type multifunctional three-dimensional artificial wetland, formed by multilayer artificial swamp units in series, every one deck artificial swamp unit is made up of cloth tank 2, wetland main body 3 and effluent trough 4 three part, artificial swamp unit is placed in the building be made up of aspect 5 and beam column 6, form the three-dimensional arrangement of floor form arrangement, the cloth tank of the artificial swamp unit of contiguous floors is contrary with effluent trough direction; Described wetland main body 3 comprises wetland plant 7 and matrix 8.
Landscape-type multifunctional three-dimensional artificial wetland also comprises water pump 1, water pump 1 one end is wastewater inlet, the other end is connected with the cloth tank 2 of top layer artificial swamp unit, sewage or pretreated sewage are promoted to the cloth tank 2 of top layer artificial swamp unit through water pump 1, sewage enters wetland main body 3 by cloth tank 2 and enters effluent trough 4 after treatment, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, this step has carried out aeration to sewage, improves the oxygen level of sewage.This not only solves the problem of sewage oxygen level deficiency compared with existing artificial swamp, eliminates the cost because artificial-strengthening aeration brings simultaneously.
Lowest layer artificial swamp unit also comprises impervious barrier 10, impervious barrier Main Function stops sewage to the infiltration of body of groundwater, the present invention only lowest layer artificial swamp unit needs to do impervious barrier, such one side decreases the contact area on wetland and ground, reduce the possibility of infiltration, considerably reduce the area that artificial swamp does antiseepage on the other hand, reduce the cost produced due to antiseepage.
Whole artificial swamp unit all installs toughened glass window, temperature controlling system, lighting system and ventilation plant, strengthening daylighting and heat insulation function, solves the problem that the too low effect of Traditional Man wetland Yin Wendu in winter declines.
Artificial wetland effluent amount is comparatively large and when falling higher, artificial swamp unit cloth tank 2 one end arranges energy dissipator 13, and energy dissipator can be domatic or multiple conical surface projections, play local energy dissipating effect, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.
Described artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange hollow brick 14 and thin bamboo strips used for weaving 15 respectively, and can effectively prevent erosion, thin bamboo strips used for weaving can be changed easily.
Described every one deck artificial swamp unit can use nature hydraulic gradient, also can arrange certain gradient.
Described Landscape-type multifunctional three-dimensional artificial wetland can also comprise sewage disinfection treatment module, and described sewage disinfection treatment module comprises grid 11 and pretreatment pool 12.Grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around Landscape-type multifunctional three-dimensional artificial wetland.Described sewage disinfection treatment module installation is in underground, and the cloth tank 2 that pretreated sewage is promoted to top layer artificial swamp unit by water pump 1 processes.
According to the requirement of sewage drainage standard, select whether disinfection apparatus is set.When water outlet is higher to germ index request, the relevant regulations that should meet in GB50014 of sterilizing, can arrange UV disinfection unit 9 below lowest layer artificial swamp unit impervious barrier.From the water body that lowest layer artificial swamp cell processing terminates, sterilize through disinfection by ultraviolet light unit.
Artificial swamp unit is highly 3 ~ 6m between layers.
Described wetland plant 7 is one or several combinations in alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, more vertical flower, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown, poly-grass, p.malaianus, pad in shoe grass, the imperial lettuce of stone, mater convolvulus, iris, lotus, aquatic Canna generalis Bailey; The kind of each layer plant can be considered from angle attractive in appearance.Described matrix 8 is the one or more combination in soil, fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite.
Artificial swamp unit should adopt perforated pipe, join (collection) water pipe, join the devices such as (collection) mill weir realizes collecting the even of (joining) water.
Beneficial effect:
1) Landscape-type multifunctional three-dimensional artificial wetland fundamentally can solve the large problem of artificial swamp floor space, has the wetland of n layer, then take up an area the 1/n being original area, this mode is that other modes cannot be compared for the minimizing degree of floor space.At accommodation value higher than (a domestic line city) during this building every square metre building cost, this patent design advantage is more obvious.
2) for load relatively high wet land system, oxygen needed for aerobic biochemical reaction is mainly from air reaeration, but the amount of natural reaeration is often not enough, so usually artificial-strengthening oxygenation will be adopted, and the Landscape-type multifunctional three-dimensional artificial wetland of the present invention's design, it can be easy to be formed nature between layers and to jump the mode of water or the mode of direct waterfall, the problem of wetland for hypoxgia can be solved, also eliminate the cost brought because taking artificial-strengthening oxygenation, removing usefulness to wet land system organism and nitrogen has obvious castering action simultaneously.
3) three-dimensional tandem artificial swamp only the lowest layer need to do antiseepage, decrease the contact area on wetland and ground on the one hand, reduce the possibility of infiltration, under soil isolation condition, carry out sewage disposal, avoid the possibility of Traditional Man wetland variation mode polluted underground water.Considerably reduce the area that artificial swamp does antiseepage on the other hand, reduce the cost produced due to antiseepage.
4) temperature control, control are wet, and can increase artificial lighting, promote wastewater treatment effect.
5) problem that high latitude area Traditional Man wetland winter processing power reduces is solved.
Winter is cold, the medicine of urban population and personal care articles (PPCPs) consumption increase, need enhanced sewage process, and now Traditional Man wetland exactly because of cold weather, processing efficiency reduces greatly, the controlling temp type process that present method adopts, can well solve the problem that artificial wetland winter processing power reduces.
6) solve inhabitation and environmental protection, afforest land conflict problem.
Three-dimensional tandem artificial swamp provided by the invention can be applied to the water circulation system of garden, down town and high-grade view community, function and view combine together, save land, energy-saving and environmental protection, while solution municipal effluent processes this difficult problem nearby, can be community provides water resources reuse to serve, the water shortage problem of reply China most area, meets the theory of conservation-minded society, embodies the spirit of human and environment Harmonious existence.
Accompanying drawing explanation
Fig. 1: Landscape-type multifunctional three-dimensional artificial wetland schematic diagram of the present invention;
Fig. 2: Landscape-type multifunctional three-dimensional artificial wetland stereographic map between layers;
Fig. 3: every one deck artificial swamp cell schematics;
Fig. 4: the staged gradient arranges schematic diagram;
Fig. 5: sewage disinfection treatment module diagram, grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around Landscape-type multifunctional three-dimensional artificial wetland;
Wherein: 1-water pump, 2-cloth tank, 3-wetland main body, 4-effluent trough, 5-aspect, 6-beam column, 7-wetland plant, 8-matrix, 9-UV disinfection unit, 10-impervious barrier, 11-grid, 12-pretreatment pool, 13-energy dissipator, 14-hollow brick, 15-thin bamboo strips used for weaving, 16-Landscape-type multifunctional three-dimensional artificial wetland.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of Landscape-type multifunctional three-dimensional artificial wetland, as shown in Figure 1, formed by multilayer artificial swamp units in series, every one deck artificial swamp unit is made up of (as shown in Figure 3) cloth tank 2, wetland main body 3 and effluent trough 4 three part, and artificial swamp unit is placed in the building be made up of aspect 5 and beam column 6, forms the three-dimensional arrangement of floor form arrangement, as shown in Figure 2, be highly 3 ~ 6m between layers, long-width ratio is 3:1, and the cloth tank of the artificial swamp unit of contiguous floors is contrary with effluent trough direction; Also comprise water pump 1, water pump 1 one end is wastewater inlet, the other end is connected with the cloth tank 2 of top layer artificial swamp unit, sewage or pretreated sewage are promoted to the cloth tank 2 of top layer artificial swamp unit through water pump 1, sewage enters wetland main body 3 by cloth tank 2 and enter effluent trough 4 after physics, chemistry, biological treatment, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, lowest layer artificial swamp unit also comprises impervious barrier 10, and impervious barrier Main Function stops sewage to the infiltration of body of groundwater.Arrange UV disinfection unit 9 below impervious barrier, that terminates in sewage disposal takes a step forward with uv sterilisation, improves effluent characteristics.
Landscape-type multifunctional three-dimensional artificial wetland can also comprise sewage disinfection treatment module, described sewage disinfection treatment module comprises grid 11 and pretreatment pool 12, grid is positioned at the sewage inlet place of pretreatment pool, pretreatment pool is looped around around Landscape-type multifunctional three-dimensional artificial wetland, according to the difference of sewage pollution degree and treatment capacity, pretreated degree and mode should consider the factors such as sewage quality, artificial swamp type and effluent quality requirement.Pre-processing module entirety is positioned at underground, sewage after pretreated is promoted to the cloth tank 2 of top layer artificial swamp unit by water pump 1, sewage enters wetland main body 3 through physics by cloth tank 2, chemistry, effluent trough 4 is entered after biological treatment, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, artificial wetland effluent amount is comparatively large and when falling higher, artificial swamp unit cloth tank 2 one end arranges energy dissipator 13, energy dissipator can be domatic or multiple conical surface projections, play local energy dissipating effect, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.This step has carried out aeration effect to sewage, improves the oxygen level of sewage.Then carry out physics, chemistry, biological treatment by artificial swamp unit successively from top to down, after lowest layer artificial swamp unit effluent trough, enter UV disinfection unit 9, sterilization terminates, water outlet.
Described artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange hollow brick and thin bamboo strips used for weaving respectively, and can effectively prevent erosion, thin bamboo strips used for weaving can be changed easily.
Described every one deck artificial swamp unit can use nature hydraulic gradient, also can arrange certain gradient.
Wetland main body 3 comprises wetland plant 7 and matrix 8, wetland plant 7 is alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, vertical flower again, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown, poly-grass, p.malaianus, pad in shoe grass, stone dragon lettuce, mater convolvulus, iris, lotus, one or several combinations in aquatic Canna generalis Bailey, matrix 8 is soil, fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite, one or more combination in haydite.
Embodiment 1
Set up Landscape-type multifunctional three-dimensional artificial wetland, formed by 5 layers of artificial swamp units in series, floor form arranges, be highly 3.6m between layers, every wetland unit length is 24m, width is 8m, the maximum process water yield is 480t/d, the first layer is calamus and founds flower again, matrix is by upper layer of soil, middle level haydite, lower floor's gravel composition, stromal thickness is respectively 15cm, 20cm, 20cm, the second layer is Spiked Loosestrife, matrix is by upper layer of soil, middle level coarse sand, lower floor's zeolite composition, stromal thickness is respectively 15cm, 20cm, 20cm, third layer is watermifoil, eel grass, hornwort, hydrilla verticillata, p.malaianus and pad in shoe grass, 4th layer is stone dragon lettuce, mater convolvulus, layer 5 is iris, aquatic Canna generalis Bailey, lotus.Three to five layer of Wetland Substrate is made up of upper strata fine sand, middle level lime-ash, lower floor's Wingdale, and stromal thickness is respectively 15cm, 20cm, 20cm.Artificial swamp unit arranges energy dissipator 13, and energy dissipator can be domatic or multiple conical surface projections, plays local energy dissipating effect, makes spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.Artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange hollow brick and thin bamboo strips used for weaving respectively, and can effectively prevent erosion, thin bamboo strips used for weaving can be changed easily.Lowest layer artificial swamp unit also comprises impervious barrier, arranges UV disinfection unit below impervious barrier, uses uv sterilisation taking a step forward of terminating of sewage disposal.Whole artificial swamp unit all installs toughened glass window, temperature controlling system, lighting system and ventilation plant, has daylighting and heat insulation function concurrently, solves the problem that Traditional Man wetland Yin Wendu in winter is too low and effect reduces.
Sewage treatment process: as shown in Figure 1, sewage directly enters grid and pretreatment pool, and grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around Landscape-type multifunctional three-dimensional artificial wetland.Sewage is first through grid, retain some macrobead dirts, then sewage enters pretreatment pool process, sewage after pretreated is promoted to the cloth tank 2 of top layer artificial swamp unit by water pump 1, sewage enters wetland main body 3 by cloth tank 2 and enter effluent trough 4 after physics, chemistry, biological treatment, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, local efficiency and function is played through energy dissipator, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.This step has carried out aeration effect to sewage, improves the oxygen level of sewage.Then carry out physics, chemistry, biological treatment by artificial swamp unit successively from top to down, after lowest layer artificial swamp unit effluent trough, enter UV disinfection unit 9, sterilization terminates, and water outlet, measures each material clearance.Sewage is first carried out pre-treatment, then enters artificial wetland treatment, the results are shown in Table 1; By sewage directly by water pump lifting to artificial swamp unit, carry out sewage disposal, measure water inlet and the content of each material of water outlet, the results are shown in Table 2.(hydraulic load is 0.5 m
3/ m
2.d, the residence time is 3d)
Table 1:
Table 2:
Above embodiment does not see limitation of the present invention as.
The every one deck wetland unit of the present invention can be open highly different by intake-outlet water lev el control lock, and water level is different and the natural hydraulic gradient that formed, also can be provided with the gradient.The implementation of the gradient has multiple, than as shown in Figure 4, is built into stepped below every one deck wetland unit matrix, forms the gradient.
Claims (6)
1. a Landscape-type multifunctional three-dimensional artificial wetland, formed by multilayer artificial swamp units in series, it is characterized in that: every one deck artificial swamp unit is made up of cloth tank (2), wetland main body (3) and effluent trough (4) three part, artificial swamp unit is placed in the building be made up of aspect (5) and beam column (6), form the three-dimensional arrangement of floor form arrangement, the cloth tank of the artificial swamp unit of contiguous floors is contrary with effluent trough direction; Artificial swamp unit cloth tank (2) and effluent trough (4) two ends arrange hollow brick (14) and thin bamboo strips used for weaving (15) respectively; Described wetland main body (3) comprises wetland plant (7) and matrix (8), and lowest layer artificial swamp unit also comprises impervious barrier (10), arranges UV disinfection unit (9) below impervious barrier, and artificial swamp unit is highly 3 ~ 6m between layers.
2. Landscape-type multifunctional three-dimensional artificial wetland according to claim 1, is characterized in that: also comprise water pump (1), and water pump (1) one end is wastewater inlet, and the other end is connected with the cloth tank (2) of top layer artificial swamp unit.
3. Landscape-type multifunctional three-dimensional artificial wetland according to claim 1, is characterized in that: artificial swamp unit exterior wall installs toughened glass window, temperature controlling system, lighting system and ventilation plant.
4. Landscape-type multifunctional three-dimensional artificial wetland according to claim 1, is characterized in that: described artificial swamp unit cloth tank (2) one end arranges energy dissipator (13).
5. Landscape-type multifunctional three-dimensional artificial wetland according to claim 1, is characterized in that: also comprise sewage disinfection treatment module, and described sewage disinfection treatment module comprises grid (11) and pretreatment pool (12), and grid is positioned at the sewage inlet place of pretreatment pool.
6. Landscape-type multifunctional three-dimensional artificial wetland according to claim 1, is characterized in that: described wetland plant (7) is alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, more vertical flower, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown, poly-grass, p.malaianus, pad in shoe grass, the imperial lettuce of stone, mater convolvulus, iris, lotus, one or several in aquatic Canna generalis Bailey combine; Described matrix (8) is soil, one or more combination in fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite.
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| CN104150582B (en) * | 2014-08-19 | 2016-04-27 | 中国建筑设计院有限公司 | The energy-conservation three-dimensional waste disposal plant of modularization for many floors building and system |
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| CN105330094B (en) * | 2015-09-06 | 2017-09-29 | 东南大学 | Strengthen the system and method that wetland coupled system removes antibiotic in surface water using root exudates |
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| CN110156251A (en) * | 2018-04-11 | 2019-08-23 | 云南省畜牧兽医科学院 | A method of livestock breeding wastewater is handled using plant factor |
| CN109292983A (en) * | 2018-09-27 | 2019-02-01 | 广州鹏凯环境科技股份有限公司 | A kind of drop filter column system for sanitary sewage disposal |
| CN110526409A (en) * | 2019-09-09 | 2019-12-03 | 上海环境绿色生态修复科技有限公司 | A kind of vertical multi-stage constructed wetland device |
| CN110902837A (en) * | 2019-12-05 | 2020-03-24 | 徐州工程学院 | Artificial lake point source pollution detention and purification artificial wetland |
| CN112441704A (en) * | 2020-11-24 | 2021-03-05 | 重庆大学 | Modular combined enhanced denitrification constructed wetland system |
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