CN103351084A - Multi-stage water quality eco-purification system suitable for shallow narrow mixed water river channel - Google Patents
Multi-stage water quality eco-purification system suitable for shallow narrow mixed water river channel Download PDFInfo
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- CN103351084A CN103351084A CN2013103202034A CN201310320203A CN103351084A CN 103351084 A CN103351084 A CN 103351084A CN 2013103202034 A CN2013103202034 A CN 2013103202034A CN 201310320203 A CN201310320203 A CN 201310320203A CN 103351084 A CN103351084 A CN 103351084A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000000746 purification Methods 0.000 title claims abstract description 47
- 238000007667 floating Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000010881 fly ash Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 244000005700 microbiome Species 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 4
- 241000269799 Perca fluviatilis Species 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000003403 water pollutant Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 claims description 2
- 230000007483 microbial process Effects 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000005067 remediation Methods 0.000 abstract 4
- 239000011435 rock Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 5
- 244000205574 Acorus calamus Species 0.000 description 3
- 235000011996 Calamus deerratus Nutrition 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a multi-stage water quality eco-purification system suitable for a shallow narrow mixed water river channel, which can effectively solve the problems of multi-stage water quality eco-purification and eco-remediation of the shallow narrow mixed water river channel. The system adopts a method comprising the following steps: arranging an overflow dam formed by building rocks in a main river channel; arranging a biological solid settling pool in front of the overflow dam, arranging a semi-submersible artificial ecologic filter bed and an in-situ remediation module combination unit behind the overflow dam and in a sheer river bed, arranging an ecologic floating bed and an ecologic foundation in the in-situ remediation module combination unit in sequence to form a multi-stage eco-purification unit, arranging and fixing a plurality of multi-stage eco-purification units in the river channel along the river channel to form the multi-stage water quality eco-purification system. The ecologic foundation can adsorb pollutants in water, and provides a dwelling site for microbes; the microbes dwelling on the ecologic foundation can further remove pollutants in water. The system is scientific and reasonable, is suitable for intensifying and purifying ecological engineering of the shallow narrow mixed water river channel, and has an important meaning in river pollution prevention and ecologic remediation.
Description
Technical field
The present invention relates to river control, particularly a kind ofly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course.
Background technology
The river comprises river water body, riverbed and riverbank (dike), has the several functions such as flood regulation and control, removing pollutant, climatic regulation, landscaping.For many years, mankind's activity has destroyed natural form and the hydrophytic habitat of river system, causes degradation problem under the ability of the river self-purification decline, water pollution aggravation, the species diversity.For a long time, experts and scholars purify with ecological reestablishment for water quality of river and have accumulated a large amount of practical experiences.At present, purifying polluted river water and ecological reestablishment mainly are divided into Physical, chemical method and biologic technology 3 large classes.Biologic technology is the one preferred technique of water quality of river purification and restoration of the ecosystem owing to helping the reparation of river ecological in enhancing river course self detergent power, the pollution of harnessing a river.
The northern area of China river natural runoff is less or natural in runoff, river water mainly mixes water by what the sanitary sewage of processing and trade effluent formed, have seriously polluted, river discharge is little, water flow section is narrow, and (partial rivers main stem width is less than 15m, and both sides can not utilize the soil outside the river course) etc. characteristics, this characteristics according to the northern area river, be not easy to carry out river course showering technology, and adopt various biologic technologies are organically combined, utilize artificial river stage purification ecosystem of artificial/half of riverbed in-situ construction, when realizing purifying polluted river water, also can reach the purpose of repairing river ecosystem.Therefore, utilize the riverbed in-situ construction to be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, significant for prevention and cure of pollution and the restoration of the ecosystem in river.
Summary of the invention
For above-mentioned situation, for overcoming the defective of prior art, the present invention's purpose just provides a kind of multistage water quality ecological purification system that shallow narrow type mixes the water river course that is applicable to, and can effectively solve shallow narrow type and mix the multistage water quality ecological purification in water river course and the problem of restoration of the ecosystem.
The technical scheme that the present invention solves is, be provided with the overflow weir that stone is built by laying bricks or stones in the main stem, the overflow weir front has biology to fall Gu Chi, the overflow weir back is provided with semisubmersible artificial ecology filter bed in steep riverbed and original position is repaired the combined modules unit, repairing in position in the combined modules unit is disposed with biological floating bed and ecological matrix, consist of a multi-stage ecological purification unit, a plurality of multi-stage ecological purifications unit along the river road is arranged and to be fixed in the river course, consists of multistage water quality ecological purification system; Ecological matrix is used for adsorbed water body part pollutent, provide the habitat for microorganism simultaneously, perch microorganism on ecological matrix and further remove part pollutent in the water, described semisubmersible artificial ecology filter bed is by the supreme different sorts of successively laying in the end in the steep riverbed in river course, present position, the hypothallus of different-grain diameter, described different sorts, the hypothallus of different-grain diameter is gravel, slag, building waste, coarse sand, flyash, iron filings and pedosphere, planting aquatic plants is (such as reed on the pedosphere, calamus), in low water season and the period when a river is at its normal level, river falls Gu Chi from biology and falls through overflow weir, order is through the semisubmersible artificial ecology filter bed of difference in functionality section, and follow-up original position is repaired the combined modules unit, reinforcement removal water pollutant COD
Cr, N and P, realize effects of purification quality; In the time of the wet season, river can cover in a short time semisubmersible artificial ecology filter bed top and enter follow-up original position reparation combined modules unit, and then also do not hinder river course flood when effectively protecting wetland behind overflow weir.
The present invention is scientific and reasonable, is to be applicable to the shallow narrow strengthened purification ecological engineering that mixes the water river course, and is significant for prevention and cure of pollution and the restoration of the ecosystem in river.
Description of drawings
Fig. 1 is the structure iron of a multi-stage ecological purification unit of flow path direction along the river of the present invention.
Fig. 2 is the longitudinal profile view of a multi-stage ecological purification unit of flow path direction along the river of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
Shown in Fig. 1,2, be provided with the overflow weir 2 that stone is built by laying bricks or stones in the main stem of the present invention, overflow weir 2 fronts have biology to fall solid pond 1, overflow weir 2 back are provided with semisubmersible artificial ecology filter bed 3 in steep riverbed 7 and original position is repaired combined modules unit 4, repair in position and be disposed with biological floating bed 5 and ecological matrix 6 in the combined modules unit, consist of a multi-stage ecological purification unit, a plurality of multi-stage ecological purifications unit along the river road is arranged and to be fixed in the river course, consists of multistage water quality ecological purification system; Ecological matrix 6 is used for adsorbed water body part pollutent, provide the habitat for microorganism simultaneously, perch microorganism on ecological matrix and further remove part pollutent in the water, described semisubmersible artificial ecology filter bed 3 is by the supreme different sorts of successively laying in the end in the steep riverbed 7 in river course, present position, the hypothallus of different-grain diameter, described different sorts, the hypothallus of different-grain diameter is gravel, slag, building waste, coarse sand, flyash, iron filings and pedosphere, planting aquatic plants is (such as reed on the pedosphere, calamus) 8(in the specific implementation, can be different according to the purification of water quality target contaminant, semisubmersible artificial ecology filter bed 3 can be divided into ecological filter bed section of the strong removal type of COD, ecological filter bed section of the strong removal type of ammonia nitrogen), in low water season and the period when a river is at its normal level, river falls Gu Chi from biology and falls through overflow weir, order is through the semisubmersible artificial ecology filter bed of difference in functionality section, and follow-up original position is repaired the combined modules unit, strengthen and remove water pollutant CODCr, N and P realize effects of purification quality; In the time of the wet season, river can cover in a short time semisubmersible artificial ecology filter bed top and enter follow-up original position reparation combined modules unit, and then also do not hinder river course flood when effectively protecting wetland behind overflow weir.
In order to guarantee result of use, one or more (not shown) that solid pond 1 both sides kind is implanted with emergent, submerged plant and floating plant kind fall in the biology before overflow weir, benefit suspended substance in interception, the sedimentation water body, silt etc.;
Described overflow weir 2 weir crests are higher than ordinary water-level 15-20cm, and the overflow weir total height when regulating and storing the water yield for shallow narrow river course, also makes river carry out reoxygenation less than 60cm in falling process, improve dissolved oxygen concentration;
Described semisubmersible artificial ecology filter bed 3 is by the supreme hypothallus of successively laying different sorts, different-grain diameter in the end in the riverbed 7 in river course, present position, by the supreme one deck composite interstitial substance bed course of successively laying in the end, thickness 3cm, the composite interstitial substance bed course is formed by diameter 1 ~ 2cm gravel, building waste and clay particle assembly, gravel, building waste and clay particle volume ratio are 6:2:2, with control with delay the river bottom mud secondary pollution; Be respectively from bottom to top on the composite interstitial substance bed course: slag layer, thickness 5cm, particle diameter 3 ~ 5cm, iron filings/flyash and gravel mixing assembly layer, iron filings and flyash volume ratio are 1:3, the volume ratio 1:6 of iron filings/flyash and gravel ~ 10, thickness 10 ~ 15cm, iron filings particle diameter 0.5 ~ 1cm, grain size of gravel 3 ~ 5cm; The slag coarse sands layer, slag, coarse sand volume ratio are 1:1, thickness 5 ~ 8cm; Pedosphere, thickness 3cm, the hypothallus total thickness is less than 40cm.
Described original position is repaired combined modules unit 4 at central zone, river course compartment kind planting submerged plant 9, plants respectively emergent and hygrophyte near the both sides, riverbank, and the resistance to current between overflow stage is less, and the river course flood discharge is not exerted an influence.
Planting aquatic plants 10 on described biological floating bed 5 is by plant and the common purifying water body of microbial process (being attached on the root system of plant).
During the part particulate matter, also for microorganism provides the habitat, the microorganism that is fixed on the ecological matrix is further removed part pollutent in the water body to described ecological matrix 6 in adsorbed water body.
Dispose landscape plant during described water plant planting, when purification improves water quality, the river training natural landscape.
The present invention has following useful technique effect:
(1) the river water body water yield of regulating and storing in the overflow weir upstream, river can carry out reoxygenation by overflow weir, improves dissolved oxygen concentration;
(2) the multi-stage ecological purification system falls Gu Chi by biology and holds back suspended substance, sedimentation silt;
(3) semisubmersible artificial bio-membrane's filter bed of multi-stage ecological purification system constructing, utilize steep riverbed by the supreme hypothalluses such as gravel, slag, physical chemistry reinforcement adsorption stuffing, coarse sand, flyash, iron filings and soil, the planting aquatic plants on the pedosphere (such as reed, calamus etc.) of successively laying in the end.During the wet season, river all enters follow-up original position and repairs the combined modules unit from semisubmersible artificial bio-membrane filter bed top behind overflow weir, original position is repaired the combined modules unit at central zone, river course kind planting submerged plant, emergent and hygrophyte are planted respectively by the place near the riverbank, resistance to current between overflow stage is less, the river course flood discharge is not exerted an influence, and then when effectively protecting wetland, do not hinder flood passage yet;
(4) semisubmersible artificial bio-membrane filter bed can be divided into several unit modules, according to the actual contaminated degree of river and purification needs, carries out a plurality of combined modules, and with interspersed structure the in original position reparation combined modules unit, form is comparatively flexible in the river course;
(5) the multi-stage ecological purification system with part pollutent in the further removal water body, guarantees clean dirty effect by setting up biological floating bed and the ecological matrix junior unit in the river course;
(6) the multi-stage ecological purification system arranges in pairs or groups when planting aquatic plants and plants landscape plant, river training natural landscape when purification improves water quality;
(7) multi-stage ecological purification system is according to the specific geographic physical features situation in river course, with the use of connecting of each unit;
(8) the present invention does not need the energy consumption equipment such as lift pump, the water purifying process link is by self-assembling formation, required fund input is relative with running cost less, and purification of water quality is combined with ecological reestablishment, building mode and management are simpler, the running maintenance technical requirements is relatively low, is the innovation in the river improvement.
Claims (7)
1. one kind is applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that, be provided with the overflow weir (2) that stone is built by laying bricks or stones in the main stem, overflow weir (2) front has biology to fall Gu Chi (1), overflow weir (2) back is provided with semisubmersible artificial ecology filter bed (3) in steep riverbed (7) and original position is repaired combined modules unit (4), repair in position and be disposed with biological floating bed (5) and ecological matrix (6) in the combined modules unit, consist of a multi-stage ecological purification unit, a plurality of multi-stage ecological purifications unit along the river road is arranged and to be fixed in the river course, consists of multistage water quality ecological purification system; Ecological matrix (6) is used for adsorbed water body part pollutent, provide the habitat for microorganism simultaneously, perch microorganism on ecological matrix and further remove part pollutent in the water, described semisubmersible artificial ecology filter bed (3) is by the supreme different sorts of successively laying in the end in the steep riverbed (7) in river course, present position, the hypothallus of different-grain diameter, described different sorts, the hypothallus of different-grain diameter is gravel, slag, building waste, coarse sand, flyash, iron filings and pedosphere, planting aquatic plants on the pedosphere (8), in low water season and the period when a river is at its normal level, river falls Gu Chi from biology and falls through overflow weir, order is through the semisubmersible artificial ecology filter bed of difference in functionality section, and follow-up original position is repaired the combined modules unit, strengthen and remove water pollutant CODCr, N and P realize effects of purification quality; In the time of the wet season, river can cover in a short time semisubmersible artificial ecology filter bed top and enter follow-up original position reparation combined modules unit, and then also do not hinder river course flood when effectively protecting wetland behind overflow weir.
2. according to claim 1ly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that: the biology before overflow weir falls Gu Chi (1) both sides kind and is implanted with one or more of emergent, submerged plant and floating plant kind, benefits suspended substance, silt in interception, the sedimentation water body.
3. according to claim 1ly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that: described overflow weir (2) weir crest is higher than ordinary water-level 15-20cm, the overflow weir total height is less than 60 cm, when regulating and storing the water yield for shallow narrow river course, also make river in falling process, carry out reoxygenation, improve dissolved oxygen concentration.
4. according to claim 1ly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that, described semisubmersible artificial ecology filter bed (3) is by the supreme different sorts of successively laying in the end in the steep riverbed (7) in river course, present position, the hypothallus of different-grain diameter, by the supreme one deck composite interstitial substance bed course of successively laying in the end, thickness 3cm, the composite interstitial substance bed course is by diameter 1 ~ 2cm gravel, building waste and clay particle assembly form, gravel, building waste and clay particle volume ratio are 6:2:2, with control with delay the river bottom mud secondary pollution; Be respectively from bottom to top on the composite interstitial substance bed course: slag layer, thickness 5cm, particle diameter 3 ~ 5cm, iron filings/flyash and gravel mixing assembly layer, iron filings and flyash volume ratio are 1:3, the volume ratio 1:6 of iron filings/flyash and gravel ~ 10, thickness 10 ~ 15cm, iron filings particle diameter 0.5 ~ 1cm, grain size of gravel 3 ~ 5cm; The slag coarse sands layer, slag, coarse sand volume ratio are 1:1, thickness 5 ~ 8cm; Pedosphere, thickness 3cm, the hypothallus total thickness is less than 40cm.
5. according to claim 1ly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that: it is at central zone, river course intermittent type kind planting submerged plant (9) that described original position is repaired combined modules unit (4), near planting respectively emergent and hygrophyte in the both sides, riverbank, resistance to current between overflow stage is less, and the river course flood discharge is not exerted an influence.
6. according to claim 1ly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that: described biological floating bed (5) upper kind are implanted with waterplant, by plant and the common purifying water body of microbial process.
7. according to claim 1 or 6 describedly be applicable to the multistage water quality ecological purification system that shallow narrow type mixes the water river course, it is characterized in that: dispose landscape plant during described water plant planting, when purification improves water quality, the river training natural landscape.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060637A (en) * | 2015-08-08 | 2015-11-18 | 郑州大学 | Method for constructing ecological purification system for substrate sludge-water polluted type shallow-narrow river |
| CN106477724A (en) * | 2015-08-28 | 2017-03-08 | 上海太和水环境科技发展有限公司 | A kind of ecological pretreatment system for being applied to river water body reparation |
| CN107585873A (en) * | 2017-10-18 | 2018-01-16 | 安徽环境科技股份有限公司 | A kind of black-odor riverway water correction device |
| CN110241781A (en) * | 2019-06-28 | 2019-09-17 | 李文杰 | City continental river ecology and embankment garden landscape comprehensive processing method |
| CN110606570A (en) * | 2019-10-09 | 2019-12-24 | 贵州民族大学 | Ecological base combines river pollution treatment system of plant |
| CN110723809A (en) * | 2019-11-07 | 2020-01-24 | 盛世生态环境股份有限公司 | Multistage treatment method suitable for river pollution in rural areas |
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| CN103351084B (en) | 2014-10-01 |
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