CN103408144B - Multi-stage free drop wetland unit with tidal properties and sewage treatment system - Google Patents
Multi-stage free drop wetland unit with tidal properties and sewage treatment system Download PDFInfo
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- CN103408144B CN103408144B CN201310318678.XA CN201310318678A CN103408144B CN 103408144 B CN103408144 B CN 103408144B CN 201310318678 A CN201310318678 A CN 201310318678A CN 103408144 B CN103408144 B CN 103408144B
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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 multi-stage free drop wetland unit with tidal properties and a sewage treatment system. The multi-stage free drop wetland unit comprises multiple stages of free drop wetlands; every two adjacent free drop wetlands have different free drop heights; each free drop wetland is provided with an overflow port and a drain hole; the drain holes of the free drop wetlands are positioned below the overflow ports; when the water storage of the upper stage of free drop wetland is higher than the overflow port, water flows from the overflow port and the drain hole to the lower stage of free drop wetland; when the water storage of the upper stage free drop wetland is lower than the overflow port, water flows from the drain hole to the lower stage free drop wetland. The sewage treatment system comprises a flow dividing control device and more than two multi-stage free drop wetland units, wherein the flow dividing control device controls the multi-stage free drop wetland units to supply sewage intermittently. The multi-stage free drop wetland unit with tidal properties and the sewage treatment system have two functions of drop water oxygenation and tidal wetland substrate oxygenation, are high in sewage treatment efficiency and are economical and environment-friendly.
Description
Technical field
The present invention relates to a kind of artificial swamp and Sewage treatment systems, relate in particular to multistage wetland unit and the Sewage treatment systems of freely dropping with tidal regime.
Background technology
Artificial swamp, because it has the advantages such as less investment, working cost is low, treatment effect good, technique is simple, had obtained the development being exceedingly fast at home and abroad in recent years.Traditional artificial swamp mainly comprises: surface current artificial wetland, drowned flow artificial wet land and vertical current constructed wetland.But, because roots of plants district and microorganism need to consume a large amount of dissolved oxygens in the process that absorbs degradation of contaminant, and these wetlands are due to the planarized structure adopting, the water flows gently, root system of plant and matrix long period of soaking are in water, cause wetland dissolved oxygen levels not enough, seriously limited the effect of wastewater treatment.In addition, planarized structure also has the shortcoming that floor space is large.
In order to overcome dissolved oxygen deficiency and the large shortcoming of floor space of Traditional Man wetland, researchist has developed free drop wetland and morning and evening tides wetland.Although these wetland technologies have overcome the large shortcoming of Traditional Man wetland floor space, also increased the dissolved oxygen of wet land system simultaneously.But the artificial swamp that freely drops can only increase the dissolved oxygen of water body, can not increase the oxygen level in matrix; Morning and evening tides wetland can only increase the oxygen level in matrix, can not increase the dissolved oxygen of water body.Although two kinds of wetlands have partly solved the problem of Traditional Man wetland oxygen level deficiency, artificial swamp oxygen level still needs further raising, to further improve the wastewater treatment efficiency of artificial swamp.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of and possess that drop water body oxygenation and two kinds of functions of morning and evening tides Wetland Substrate oxygenation, sewage treating efficiency are high, the multistage wetland unit that freely drops with tidal regime of economic environmental protection simultaneously, and the Sewage treatment systems with this multistage wetland unit that freely drops.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of multistage wetland unit that freely drops with tidal regime, comprise the multistage wetland that freely drops, the adjacent two-stage wetland that freely drops is provided with the height fall that freely drops, the wetlands that freely drop at different levels are equipped with spillway and water vent, the water vents that freely drop wetland at different levels are positioned at spillway below, the water storage freely dropping in wetland as higher level during higher than spillway current from spillway and water vent, flow to subordinate's wetland that freely drops, the water storage freely dropping in wetland as higher level during lower than spillway current from water vent, flow to subordinate's wetland that freely drops, freely the drop spillway of wetland and water vent of final stage discharged water purification.
The described wetland that freely drops surrounds water reserve by waterwall, and described water reserve bottom is filled with high-density matrix, and upper strata, water reserve is filled with loose matrix, in described loose matrix, plants and is implanted with scrubbing wetland plant.
Described spillway and water vent are all located on waterwall, and described spillway position is higher than loose matrix filled band, and described water vent position is positioned at the bottom of loose matrix filled band.
Described higher level freely drops the water vent position of wetland higher than freely the drop loose matrix filled band of wetland of subordinate.
The spillway of the wetlands that freely drop at different levels and water vent are located at same one end of waterwall, adjacent two-stage freely drop spillway and the water vent staggered arrangement of wetland.
Described high-density matrix is clay matrix.
Described loose matrix is sandstone matrix.
A kind of Sewage treatment systems, comprise a flow division control device and two above multistage wetland units that freely drop with tidal regime as above, described two above multistage wetland units that freely drop are arranged in parallel, and are controlled and intermittently supplied sewage to each multistage wetland unit that freely drops by flow division control device.
Compared with prior art, the invention has the advantages that:
The multistage wetland unit that freely drops with tidal regime of the present invention, simple in structure, take up an area less, non-secondary pollution, be difficult for stopping up, when accepting sewage input, the water storages that freely drop in wetland at different levels are higher than spillway, there is small portion to flow into subordinate's wetland from water vent, and most of current overflow from spillway, forming freely drop enters subordinate's wetland that freely drops, and the realization water body oxygenation of dropping thus, when stopping sewage input, the water storage that higher level freely drops in wetland is gradually lower than spillway, the current that freely drop in wetland flow to subordinate's wetland that freely drops from water vent, moisture in Wetland Substrate on water vent is discharged, make this part upper strata Wetland Substrate oxygenation, to promote the growth of scrubbing biology in matrix, recover sewage treatment capacity and the efficiency of the multistage wetland unit that freely drops, by accepting sewage input and stopping the conversion that sewage is inputted two kinds of working ordeies, make this multistage wetland unit that freely drops possess the function of drop water body oxygenation and the oxygenation of morning and evening tides Wetland Substrate simultaneously, the sewage treatment capacity of artificial swamp is improved greatly.The high-density matrix of lower floor in wetland that freely drops can enter subordinate's wetland from a large amount of seepage flow of water reserve bottom by anti-water-stop body, allows again the growth of taking root of wetland plant simultaneously; It is fully mobile on upper strata, water reserve that the loose matrix on upper strata is convenient to water body, and water body can fully be contacted with the biology in loose matrix, be convenient to the water body in loose matrix to emit simultaneously to loose matrix fully, oxygenation fast.Spillway and water vent are all located on waterwall, and wetland unit, higher than loose matrix filled band, is freely dropped when accepting sewage input in spillway position so that multistage, can fully effectively utilize width and the degree of depth of loose matrix, improves sewage treating efficiency; Water vent position is positioned at the bottom of loose matrix filled band, freely drops wetland unit so that multistage when stopping sewage input, can fully emit the water body of loose matrix, improves morning and evening tides Wetland Substrate oxygen-transfer efficiency.Higher level freely drops the water vent position of wetland higher than freely the drop loose matrix filled band of wetland of subordinate, can be when the multistage wetland unit that freely drops stops sewage input, accelerate water vent and discharge the speed of water body in loose matrix, shorten the setup time of morning and evening tides Wetland Substrate oxygenation.
Sewage treatment systems of the present invention, comprises a plurality of above-mentioned multistage wetland units that freely drop with tidal regime, therefore also possesses corresponding above-mentioned technique effect; In addition, by flow division control device, control and intermittently supply sewage to each multistage wetland unit that freely drops, make a plurality of wetland units that freely drop can hocket drop water body oxygenation and the oxygenation of morning and evening tides Wetland Substrate, thereby can realize the uninterrupted sewage disposal of whole Sewage treatment systems, also be convenient to the single multistage wetland unit that freely drops with tidal regime detect and safeguard simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of the multistage wetland unit embodiment that freely drops of the present invention.
Fig. 2 is the sectional view of the multistage wetland unit embodiment that freely drops of the present invention.
Fig. 3 is the perspective view of a kind of Sewage treatment systems embodiment of the present invention.
Fig. 4 is the perspective view of the another kind of Sewage treatment systems embodiment of the present invention.
In figure, each label represents:
1, the wetland that freely drops; 2, waterwall; 3, high-density matrix; 4, loose matrix; 5, scrubbing wetland plant; 6, flow division control device; 7, water-in; 8, divider wall; 11, spillway; 12, water vent.
Embodiment
Fig. 1 and Fig. 2 show a kind of multistage wetland unit embodiment that freely drops with tidal regime of the present invention, this multistage wetland unit that freely drops comprises the multistage wetland 1 that freely drops, the adjacent two-stage wetland 1 that freely drops is provided with the height fall that freely drops, the wetlands 1 that freely drop at different levels are equipped with spillway 11 and water vent 12, the water vent 12 of the wetlands 1 that freely drop at different levels is positioned at spillway 11 belows, water body flow direction as shown by the arrows in Figure 1, the water storage freely dropping in wetland 1 as higher level during higher than spillway 11 current from spillway 11 and water vent 12, flow to subordinate's wetland 1 that freely drops, the water storage freely dropping in wetland 1 as higher level during lower than spillway 11 current from water vent 12, flow to subordinate's wetland 1 that freely drops, the higher level wetland 1 that freely drops is provided with water-in 7, freely the drop spillway 11 of wetland 1 and water vent 12 of final stage discharged water purification.This is multistage freely drops that wetland unit takes up an area less, simple in structure, non-secondary pollution, be difficult for stopping up, when accepting sewage input, the water storages that freely drop in wetland 1 at different levels are higher than spillway 11, there is small portion to flow into subordinate's wetland from water vent 12, and most of current overflow from spillway 11, forming freely drop enters subordinate's wetland 1 that freely drops, and the realization water body oxygenation of dropping thus, when stopping sewage input, the water storage that higher level freely drops in wetland 1 is gradually lower than spillway 11, the current that freely drop in wetland 1 flow to subordinate's wetland 1 that freely drops from water vent 12, moisture in Wetland Substrate on water vent 12 is discharged, make this part upper strata Wetland Substrate oxygenation, to promote the growth of scrubbing biology in matrix, recover sewage treatment capacity and the efficiency of the multistage wetland unit that freely drops, by accepting sewage input and stopping the conversion that sewage is inputted two kinds of working ordeies, make this multistage wetland unit that freely drops possess the function of drop water body oxygenation and the oxygenation of morning and evening tides Wetland Substrate simultaneously, the sewage treatment capacity of artificial swamp is improved greatly.
In the present embodiment, the wetland 1 that freely drops surrounds water reserve by waterwall 2, and water reserve bottom is filled with high-density matrix 3, and upper strata, water reserve is filled with loose matrix 4, in loose matrix 4, plants and is implanted with scrubbing wetland plant 5.High-density matrix 3 is clay matrix, and clay-based plasmid footpath is minimum, degree of compactness is high and appropriate compacting, with waterproof body, from a large amount of seepage flow of water reserve bottom, enters subordinate's wetland, allows again the growth of taking root of wetland plant simultaneously; Loose matrix 4 is sandstone matrix, sandstone matrix is selected sand grains, the rubble that particle diameter is larger, so that water body is fully mobile on upper strata, water reserve, water body can fully be contacted with the biology in loose matrix 4, simultaneously, be convenient to the water body in loose matrix 4 to emit, so as to loose matrix 4 fully, oxygenation fast; Scrubbing wetland plant 5 is two kinds of reed, Canna generalis Baileys, also can select separately in other embodiments reed, Canna generalis Bailey, cattail etc. pollution substance to be had to the plant of better removal effect, also can select multiple this type of plant mixed planting.Spillway 11 and water vent 12 are all located on waterwall 2, spillway 11 positions are higher than loose matrix 4 filled bands, so that multistage, freely drop wetland unit when accepting sewage input, can fully effectively utilize width and the degree of depth of loose matrix 4, improve sewage treating efficiency; Water vent 12 positions are positioned at the bottom of loose matrix 4 filled bands, freely drop wetland unit so that multistage when stopping sewage input, can fully emit the water body of loose matrix 4, improve morning and evening tides Wetland Substrate oxygen-transfer efficiency.Higher level freely drops water vent 12 positions of wetland 1 higher than freely drop loose matrix 4 filled bands of wetland 1 of subordinate, can be when the multistage wetland unit that freely drops stops sewage input, accelerate water vent 12 and discharge the speed of water body in loose matrix 4, shorten the setup time of morning and evening tides Wetland Substrate oxygenation.Spillway 11 and water vent 12 are all located at same one end of waterwall 2, adjacent two-stage freely drop spillway 11 and water vent 12 staggered arrangement of wetland 1, can increase like this water body every grade of transverse flow stroke and time of freely dropping in wetland 1, improve the processing efficiency of the every grade of 1 pair of sewage of wetland that freely drops.
The wetland 1 that freely drops can be selected Steel Concrete, the mixed structure that brick isotonic water is few, intensity is high, the width of the every grade of wetland 1 that freely drops is 0.5 m ~ 1.0m, length is 2 m ~ 5m, waterwall 2 is highly 1 ~ 1.5 m, Wetland Substrate is than the low 0.1m of waterwall 2, and every grade of wetland relative height is poor is 0.3 m ~ 0.6m; The whole multistage wetland unit that freely drops is generally selected 4 ~ 8 grades of wetlands 1 that freely drop.
Fig. 3 shows a kind of Sewage treatment systems embodiment of the present invention, this Sewage treatment systems comprises a flow division control device 6 and two above multistage wetland units that freely drop with tidal regime as described in above-described embodiment, two above multistage wetland units that freely drop are arranged in parallel, and control and intermittently supply sewage to each multistage wetland unit that freely drops by flow division control device 6, make a plurality of wetland units that freely drop can hocket drop water body oxygenation and the oxygenation of morning and evening tides Wetland Substrate, thereby realize the uninterrupted sewage disposal of whole Sewage treatment systems, also be convenient to the single multistage wetland unit that freely drops with tidal regime detect and safeguard simultaneously.
In the present embodiment, this Sewage treatment systems integral body in view of depression angle is rectangle, be provided with altogether two multistage wetland units that freely drop, two multistage wetland units that freely drop are separated through divider wall 8, the Pyatyi that is provided with each multistage wetland unit that freely the drops wetland 1 that freely drops, in two multistage wetland units that freely drop, spillway 11 and the water vent 12 of the wetland 1 that freely drops at the same level are symmetrical arranged about divider wall 8, freely the drop water-in 7 of wetland 1 of flow division control device 6 and upper level is communicated with, and can control and freely the drop break-make of water-in 7 of wetland 1 of the upper level of each multistage wetland unit that freely drops by push-pull valve.In other embodiments, Sewage treatment systems also can be arranged to circle, fan-shaped, oval, square etc., also can be near the mountain, the natural form setting of hills, rivers loke shore; Progression, the size of wetland 1 of freely dropping in the quantity of the multistage wetland unit that freely drops and each multistage wetland unit that freely drops all determined according to influent quality, water outlet requirement and the water yield.
When this Sewage treatment systems is built in level land, only need a small amount of power by sewage lifting to flow division control device 6, consuming little energy; When this Sewage treatment systems is built in mountain region, hills, rivers loke shore etc. and has the region of landform drop, can utilize the drop of landform that drop power is provided, make water body through flow division control device 6, branch to the multistage wetland unit that freely drops under the effect of gravitional force, and flow through step by step the wetland 1 that freely drops, do not need to increase any power-equipment, power savings advantages is obvious, also can play simultaneously beautify the environment, the effect of ecological revetment.
In the present embodiment, every grade of wetland width is 0.5m, and length is 2.5m, and waterwall height is 1m, and every grade of wetland relative height is poor is 0.3m, and longitudinally divider wall 8 and waterwall 2 are mixed brick structure, and wetland plant can be two kinds of reed, Canna generalis Baileys.In order to facilitate wetland plant to recover growth after transplanting, this Sewage treatment systems brings into operation from building up after 10 days, Sewage treatment systems water inlet is agriculture small town sewage, adopt 24 hours continuous sewage treatment, two multistage, and period that wetland unit accepts sewage input every day of freely dropping is respectively 11:00 ~ 23:00 and 23:00 ~ 11:00.During nearly bimestrial steady running, measure Inlet and outlet water water quality for 3 times, record data as following table (unit: mg/L):
As can be seen here, the present invention is very high to the clearance of pollution substance, apparently higher than the removal efficiency of existing other artificial marsh sewage treatment systems, water pollution substrate concentration after treatment reaches the one-level A standard in < < urban wastewater treatment firm pollutant emission standard > > (GB18918-2002).
Fig. 4 shows another kind of Sewage treatment systems embodiment of the present invention, and the present embodiment and a upper embodiment are basic identical, and difference is only that this Sewage treatment systems is whole rounded in view of depression angle.
Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.Any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all should drop in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the technology of the present invention essence.
Claims (6)
1. the multistage wetland unit that freely drops with tidal regime, it is characterized in that: comprise the multistage wetland (1) that freely drops, the adjacent two-stage wetland (1) that freely drops is provided with the height fall that freely drops, the wetlands (1) that freely drop at different levels are equipped with spillway (11) and water vent (12), the water vent (12) of wetland (1) of freely dropping at different levels is positioned at spillway (11) below, the water storage freely dropping in wetland (1) as higher level during higher than spillway (11) current from spillway (11) and water vent (12), flow to subordinate's wetland (1) that freely drops, the water storage freely dropping in wetland (1) as higher level during lower than spillway (11) current from water vent (12), flow to subordinate's wetland (1) that freely drops, freely the drop spillway (11) of wetland (1) and water vent (12) of final stage discharged water purification, the described wetland (1) that freely drops surrounds water reserve by waterwall (2), described water reserve bottom is filled with high-density matrix (3), upper strata, water reserve is filled with loose matrix (4), in described loose matrix (4), plant and be implanted with scrubbing wetland plant (5), described spillway (11) and water vent (12) are all located on waterwall (2), described spillway (11) position is higher than loose matrix (4) filled band, described water vent (12) position is positioned at the bottom of loose matrix (4) filled band.
2. the multistage wetland unit that freely drops with tidal regime according to claim 1, is characterized in that: described higher level freely drops water vent (12) position of wetland (1) higher than freely drop loose matrix (4) filled band of wetland (1) of subordinate.
3. the multistage wetland unit that freely drops with tidal regime according to claim 1 and 2, it is characterized in that: the spillway (11) of wetland (1) of freely dropping at different levels and water vent (12) are located at same one end of waterwall (2) adjacent two-stage freely drop spillway (11) and water vent (12) staggered arrangement of wetland (1).
4. the multistage wetland unit that freely drops with tidal regime according to claim 1 and 2, is characterized in that: described high-density matrix (3) is clay matrix.
5. the multistage wetland unit that freely drops with tidal regime according to claim 1 and 2, is characterized in that: described loose matrix (4) is sandstone matrix.
6. a Sewage treatment systems, it is characterized in that: comprise a flow division control device (6) and two above multistage wetland units that freely drop with tidal regime as described in any one in claim 1 to 5, described two above multistage wetland units that freely drop are arranged in parallel, and are controlled and intermittently supplied sewage to each multistage wetland unit that freely drops by flow division control device (6).
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| CN201310318678.XA CN103408144B (en) | 2013-07-26 | 2013-07-26 | Multi-stage free drop wetland unit with tidal properties and sewage treatment system |
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| CN201310318678.XA CN103408144B (en) | 2013-07-26 | 2013-07-26 | Multi-stage free drop wetland unit with tidal properties and sewage treatment system |
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| CN103408144B true CN103408144B (en) | 2014-11-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198085B (en) * | 2015-09-17 | 2018-04-03 | 同济大学 | A kind of staged horizontal drowned flow artificial wet land combined system and its application |
| CN105502841B (en) * | 2016-01-18 | 2018-08-14 | 马鞍山市三环碧源水处理工程有限公司 | A kind of folded spring layer scape formula sewage disposal device |
| CN106006930A (en) * | 2016-07-11 | 2016-10-12 | 佛山杰致信息科技有限公司 | Artificial wetland sewage treatment system |
| CN113200610B (en) * | 2021-05-19 | 2022-08-16 | 重庆浩丰规划设计集团股份有限公司 | Ecological pond lotus water purification system |
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| CN1390787A (en) * | 2002-07-12 | 2003-01-15 | 华南师范大学 | Artificial wet field facilities for treating sewage |
| KR20060112754A (en) * | 2005-04-28 | 2006-11-02 | 주식회사 아썸 | Construction of artificial floating wetland with a inclined multi-step type as a usage of sewage purification |
| CN102126794A (en) * | 2011-04-08 | 2011-07-20 | 中国人民解放军后勤工程学院 | Artificial wetland purifying system for free waterfall aeration |
| CN102633366A (en) * | 2012-05-03 | 2012-08-15 | 重庆大学 | Mountainous urban artificial wetland sewage treatment system capable of controlling methane emission |
| CN102730837A (en) * | 2012-07-03 | 2012-10-17 | 刘树元 | Horizontal gathered flow type constructed wetland |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830688B2 (en) * | 2001-11-14 | 2004-12-14 | Dharma Living Systems, Inc. | Integrated hydroponic and wetland wastewater treatment systems and associated methods |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390787A (en) * | 2002-07-12 | 2003-01-15 | 华南师范大学 | Artificial wet field facilities for treating sewage |
| KR20060112754A (en) * | 2005-04-28 | 2006-11-02 | 주식회사 아썸 | Construction of artificial floating wetland with a inclined multi-step type as a usage of sewage purification |
| CN102126794A (en) * | 2011-04-08 | 2011-07-20 | 中国人民解放军后勤工程学院 | Artificial wetland purifying system for free waterfall aeration |
| CN102633366A (en) * | 2012-05-03 | 2012-08-15 | 重庆大学 | Mountainous urban artificial wetland sewage treatment system capable of controlling methane emission |
| CN102730837A (en) * | 2012-07-03 | 2012-10-17 | 刘树元 | Horizontal gathered flow type constructed wetland |
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