CN103214099A - Ecological restoration and purification method for water of lake and pool wet land - Google Patents

Ecological restoration and purification method for water of lake and pool wet land Download PDF

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CN103214099A
CN103214099A CN2013101647387A CN201310164738A CN103214099A CN 103214099 A CN103214099 A CN 103214099A CN 2013101647387 A CN2013101647387 A CN 2013101647387A CN 201310164738 A CN201310164738 A CN 201310164738A CN 103214099 A CN103214099 A CN 103214099A
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water
lake
pool
wetland
purifying
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CN2013101647387A
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CN103214099B (en
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吕健
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吕健
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention relates to an ecological restoration and purification method for water of lake and pool wet land. The method is characterized by comprising the following treatment steps sequentially: a first stage, a second stage and a third stage, wherein the first stage comprises the steps of pumping the water of the lake and pool wet land to dryness sectionally, performing activity, disinfection and dehydration treatment on sludge of the lake and pool wet land, prefabricating and mounting a submerged aeration facility, planting a submerged vegetation community, and filling in the water of the original lake and pool wet land; the second stage comprises the step of putting water purification bugs into the water for treating suspended matters in the water and purifying the water, such as algae and detritus; and the third stage comprises the steps of planting floating-leaved plants in the water, and configuring aquatic animals capable of eating partial aquatic plants for restoring a food chain of a water ecosystem. The method can ensure that the restored or purified water can reach a Category III or above primary indicator of Environmental Quality Standards for Surface Water (GB 3838-2002); the water purification effect is enduring; and both a symptom and a root cause are treated.

Description

The water ecology reparation and the purifying method of the pool, a kind of lake wetland
Technical field
The present invention relates to environmental ecology and repair the field, relate in particular to a kind of lake, pond, wetland quality of water environment of being applied to and be in " water environment quality standard " (GB3838-2002) water ecology reparation and purifying method of V class or bad V class standard state.
Background technology
At present, along with social economy and urbanization high speed development, lake, pond, wetland water surrounding all are subjected to polluting in various degree, and quality of water environment is in " water environment quality standard " (GB3838-2002) IV class or V class, or even bad V class standard state.Administer lake, pond, the pollution of wetland water, especially persistent restoration of the ecosystem of water body and purification, reach lastingly " water environment quality standard " (GB3838-2002) leading indicator reach III class or above standard, become the difficult problem of worldwide Ecological Recovery of Water and purification.
At present, the water body purification of the lake of serious to the water surrounding eutrophication in blue-green algae riotous growth, pond, wetland mainly contains four kinds of modes.
(1) physics mode filters rich nutritive material in the water and blue-green algae or shift;
(2) chemical mode decomposes rich nutritive material in the water and blue-green algae or generates new compound with medicine and administers;
(3) microorganism mode is by rich nutritive material and blue-green algae in complex micro organism fungicide decomposition or the absorption water;
(4) biological mode is by rich nutritive material and blue-green algae in artificial swamp, plantation emergent or aquatic animals and plants decomposition, absorption or the transfer water such as floatingleaved plant, food algae fish;
More than four kinds of modes all fail to reach the pollution of having eliminated water body with treating both principal and secondary aspect of disease, can not absorb rich nutritive material in the water or at most only absorb, rich nutritive material in transferase 12 0% water, the rich nutritive material major part also is dissolved in the water, Just because of this, even blue-green algae in the removal water, when airborne blue green algae spore drops in the eutrophic water, blue-green algae still can breed rapidly, and exhaust water oxygen gas when serious and cause hydrocoles death, water transparency can't surpass 0.9 meter, and the water pollution control effect can not be lasting.
Summary of the invention
The invention provides the water ecology reparation and the purifying method of the pool, a kind of lake wetland, this water ecology reparation and purifying method can realize that lake, pond, wetland quality of water environment can reach transparency more than 2 meters or 2 meters lastingly, and the water body after can guaranteeing again to repair or purify reaches " water environment quality standard " (GB3838-2002) III class or above standard of leading indicator.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The water ecology reparation and the purifying method of the pool, a kind of lake wetland, it is characterized in that handling successively by following several stages: the fs comprises: drain the pool, lake wetland water body by the topography and geomorphology segmentation of lake, pond, wetland, the pool, lake wetland mud is carried out activity, sterilization and processed, the sudden and violent oxygen facility of water is sunk in prefabricated installation, plantation submerged vegetation group, and the pool, the original lake of playback wetland water body; Subordinate phase comprises: throw in suspended substance, purifying water bodies such as algae in " water purification worm " treating water, detritus in water body, described " water purification worm " selected for use can become the crust zooplankton such as low that engulfs blue-green algae, purifying water body specially after purification, rejuvenation, domestication; Phase III comprises: plant floatingleaved plant in water body, dispose the hydrocoles of edible part waterplant then and repair the aquatic ecosystem food chain.
Further, the described fs may further comprise the steps:
(1) drains the pool, lake wetland water body by the topography and geomorphology segmentation of lake, pond, wetland;
(2) if the pool, described lake wetland is soft revetment, pile the slope by the soil natural angle of repose and handle, plant emergent then, carry out following (3) step again; If the pool, described lake wetland is the hard revetment, directly carry out following (3) step;
(3) adopt effective microbe and unslaked lime to carry out activity, sterilization and processed 4~7 days to the pool, lake wetland mud;
(4) the sudden and violent oxygen facility of heavy water of prefabricated locating distance muck surface top 400mm~600mm;
(5) according to the degree of depth of the pool, lake wetland mud, plant submerged vegetation group;
(6) pool, the original lake of playback wetland water body covers submerged vegetation group, and water level reaches the top 300mm~500mm of submerged vegetation group.
Further, the heap slope of described fs (2) step is divided into bottom, middle layer and top layer, and bottom is laid gravel, and it highly is 200mm~250mm, and the middle layer height is 100mm~150mm, and top layer is selected sandy loam for use.
Further, the emergent of described fs (2) step is selected a kind of or several arbitrarily in power flower, papyrus, red sheath fishscale bamboo taro, lotus, water candle, reed, Arundo donax, mullet grass, flower calamus, yellow flag, Scirpus tabernaemontani, Fischer grass, Monochoria korsakowii, Spiked Loosestrife, arrowhead, the Rush again.
Further, the submerged vegetation group of described fs (5) step is totally ten one kinds in a black algae, hydrilla verticillata, Luo Shi hydrilla verticillata (mutation), water caltrop, potarnogeton lucens, poly-algae, hornwort, leaf of bamboo Herba potamogetonis distincti, Herba Potamogetonis Pectinati, eel grass, little najas marina through downgrading improvement, wherein the eel grass plantation amount through downgrading improvement accounts for 70% of submerged vegetation group plantation amount always, and all the other kinds respectively account for 3%.
Further, the planting density of submerged vegetation is in described fs (5) step: the pool, the lake wetland mud degree of depth is less than 0.2 meter, the 20 clumps/m of planting density of submerged vegetation 2~25 clumps/m 2The pool, the lake wetland mud degree of depth more than or equal to 0.2 meter smaller or equal to 0.5 meter, the 12 clumps/m of planting density of submerged vegetation 2~18 clumps/m 2The pool, the lake wetland mud degree of depth is greater than 0.5 meter, 6 clumps/m of planting density 2~10 clumps/m 2, wherein every clump of submerged vegetation comprises 3 strains~5 strain submerged vegetation.
Further, the low zooplankton such as crust such as grade of described subordinate phase is a water flea, and injected volume is 150~200/m 2
Further, the described phase III comprises following step:
(1) plantation floatingleaved plant;
(2) start the heavy sudden and violent oxygen facility of water, oxygen in water is reached more than the 6mg/L;
(3) behind the sudden and violent oxygen, promote the submerged vegetation community growth, and start the sudden and violent oxygen facility of heavy water and guarantee that oxygen in water concentration is greater than 6mg/L if oxygen in water, is thrown in microorganisms such as photosynthetic bacterium, nitrobacteria less than 6mg/L;
(4) pool, the original lake of playback wetland water body is to ordinary water-level;
(5), and continue after 160 days the hydrocoles of configuration edible waterplant when the submerged vegetation fraction of coverage is reached more than 60%, water transparency reaches 2 meters;
(6) when dissolved oxygen concentration less than 6mg/L or submerged vegetation fraction of coverage less than 60%, carry out the system engineering management of dynamic aquatic ecosystem child care, the system engineering management of described dynamic aquatic ecosystem child care comprises: the seasonality of floatingleaved plant, emergent is pruned, the seasonality of submerged plant, and the hypertrophy situation under harvesting, the control of submerged plant growth height, to the monitoring of the upgrowth situation of the useful hydrocoles thrown in, to the cleaning of the influential hydrocoles of water body.
Further, the floatingleaved plant of described phase III (1) step is selected a kind of or several arbitrarily in real of water lily, Wang Lian, spatterdock, gold and silver lotus flower, thatch, and the planting density of floatingleaved plant is 2 clumps of-3 clumps/1000m 2, wherein the quantity of every clump of floatingleaved plant is 5 strains~8 strains.
Further, the hydrocoles of described phase III (5) step comprises snakehead, mandarin fish, silver carp, bighead, black carp, freshwater shrimp, oval radish spiral shell, Q-RING rib spiral shell, black lip, hydriopsis cumingii and Corbicula fluminea, and the configuration density of described hydrocoles is 10 tails (only)-15 tails (only)/1000m 2, wherein the length of hydrocoles is the 50mm-80mm/ tail.
The invention has the beneficial effects as follows:
(1) the present invention integrates nature biotechnology improving technology, bio operon technology, Ecological Recovery of Water technology in one, rebuild water ecosystem, make up the water ecology balance, repair the ecosystem food chain of contaminated water body, improve the self-purification ability and the environmental capacity of water body, reduction " true water does not have perfume (or spice) " true qualities;
(2) the present invention had both got rid of blue green algae in the water, absorbed, rich nutritive material in the transfer water submerged plant that grows especially, the effect that allows water body purification reach persistent, to treat both principal and secondary aspect of disease again;
(3) after the present invention adopts " water purification worm " purifying water body, promote submerged plant to carry out photosynthesis and discharge the newborn oxygen that chemical property vivaciously has strong oxidizing property, make suspended substance and the oxidized mineral substance that is decomposed into of organism in the water body, make water body limpid;
(4) the present invention has realized that also nutritive substance is to the conversion of edibility animal proteinum in the water body, at last by gathering in submerged vegetation and fishing for hydrocoles, nutritive substance in the water is transformed on the bank, makes that nutrition reduces gradually in the water body, quality of water environment is limpid more lastingly;
(5) plantation and the configuration of hydrocoles of the present invention by submerged plant, floatingleaved plant etc. formed food chain in the wetland water body of the pool, lake, guaranteed the water ecology balance;
(6) the present invention need not to carry the bed mud of original lake, pond, wetland, but with regard to the former water body of reuse; Water ecology reparation of the present invention and purifying method were implemented after 40 days, 1.5 meters of water purification transparent Du Keda or more than; After 80 days, 2 meters of water purification transparent Du Keda or more than, quality of water environment can reach " water environment quality standard " (GB3838-2002) III class standard; After 160 days, vegetation coverage reaches more than 60% under water, and restoration of the ecosystem forms woodland scenery under water full of life, that the earth should exist.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
The water ecology reparation and the purifying method of the pool, embodiment 1 lake wetland
One, the fs, implement the nature biotechnology improving technology, concrete steps are as follows;
(1), carries out segmentation by topography and geomorphology and drain the pool, lake wetland water body according to lake, pond, wetland;
(2) so to the pool, the lake wetland of soft revetment, pile the slope by the soil natural angle of repose and handle, the heap slope is divided into bottom, middle layer and top layer, bottom is laid gravel, it highly is 200mm~250mm, and the middle layer height is 100mm~150mm, and top layer is selected sandy loam for use;
(3) plant again power flower (formal name used at school Thalia dealbata) at sandy loam, papyrus (formal name used at school Cyperus papyrus), red sheath fishscale bamboo taro (formal name used at school Thaliageniculata), lotus (formal name used at school Nelumbo nucifera), water candle (formal name used at school Dysophylla yatabeana), reed (formal name used at school Phragmites australis), Arundo donax (formal name used at school Arundo donax var.versicolor), mullet grass (formal name used at school Potamogeton pectinatus), flower calamus (formal name used at school Iris ensata Thunb), yellow flag (formal name used at school Iris pseudacorus), Scirpus tabernaemontani (formal name used at school Scirpus validus), Fischer grass (formal name used at school Scirpus triqueterL), Monochoria korsakowii (formal name used at school Monochoria Korsakowii), Spiked Loosestrife (formal name used at school Spiked Loosestrlfe), arrowhead (formal name used at school Sagittaria sagittifolia), Rush emergents such as (formal name used at school Juncus effusus), according to revetment view situation, disposing any one or a few plants, absorb nitrogenous in mud and the water body by the plantation emergent, nutritions such as phosphorus, simultaneously, can beautify the revetment view again.
(4) pool, lake wetland mud is adopted effective microbe and unslaked lime, carry out activity, sterilization and dehydration etc. and handled 4~7 days;
(5) the sudden and violent oxygen facility of the heavy water of prefabricated locating distance muck surface 400mm-600mm;
(6) according to the degree of depth of the pool, lake wetland mud, plantation is from the black algae of nature collection, hydrilla verticillata (formal name used at school Hydrilla verticillata), Luo Shi hydrilla verticillata (mutation) (formal name used at school Hydrilla verticillata (L.f.) Royle), water caltrop (formal name used at school Potamogeton crispus), potarnogeton lucens (formal name used at school Potamogeton lucens Linn), poly-algae (formal name used at school Ntruiogtkkyn soucatyn L), hornwort (formal name used at school Ceratophyllum demersum L), leaf of bamboo Herba potamogetonis distincti (formal name used at school Potamogeton malaianus Miq), Herba Potamogetonis Pectinati (formal name used at school Potamogeton pectinatus), eel grass (formal name used at school Vallisneria natans (Lour.) Hara) through downgrading improvement and little najas marina (formal name used at school Najas minor All) be totally ten one kinds of submerged plants, wherein the eel grass plantation amount through downgrading improvement accounts for 70% of submerged vegetation group plantation amount always, and other kind respectively accounts for 3%.According to the degree of depth of the pool, lake wetland mud, the degree of depth is less than 0.2 meter, the 20 clumps/m of planting density of submerged vegetation 2~25 clumps/m 2, the degree of depth is less than 0.5 meter, the 12 clumps/m of planting density of submerged vegetation 2~18 clumps/m 2, the degree of depth is greater than 0.5 meter, 6 clumps~10 clumps of planting densities, and wherein every clump comprises 3 strains-5 strain; By the plantation submerged vegetation, the nutritions such as nitrogenous, phosphorus in the water body were absorbed by submerged plant gradually, and changed into vegetable fibre; Simultaneously, discharge the newborn oxygen that chemical property vivaciously has strong oxidizing property, make suspended substance and the oxidized mineral substance that is decomposed into of organism in the water body by submerged plant photosynthesis.The photosynthesis of submerged vegetation is brought a large amount of dissolved oxygens into bed mud, and the redox potential in the mud is raise, and promotes the procreation of bottom-dwelling and microorganism, further promotes water ecosystem to recover variation, makes water body keep stablizing clear state;
(7) pool, the original lake of playback wetland water body covers submerged vegetation group, and water level reaches the top 300mm~500mm of submerged vegetation group;
In other embodiments, the pool, the lake wetland that has is the hard revetment, does not do any processing so in (2) step in this stage, omits (3) step simultaneously and directly carries out (4) step.
Two, subordinate phase is implemented nature biotechnology improving technology and bio operon technology, and concrete steps are as follows:
Input is caught the low crust zooplankton water flea (formal name used at school Daphnia magna) of waiting from what occurring in nature was caught, become " the water purification worm " that engulfs blue-green algae, purifying water body specially through purification, rejuvenation, domestication, make water body so clear that you can see the bottom, every " water purification worm " can take food and be equivalent to the algae of tens of times of its body weight in one day, and " water purification worm " injected volume is 150~200/m 2Engulf algae such as blue-green algae in the water body growth with " water purification worm ", suspended substances such as detritus, and be broken down into inorganic salt and water, on the one hand, " water purification worm " can thoroughly break the dominant position of algae, make the plant in the water body, microorganism, zooplankton, hydrocoles, insects etc. recover growth, reach diversity of organism, thereby form the new eubiosis, recover the anti-algae effect of the natural, ecological of water, eliminated the environment of algae suitable growth, thereby make water body limpid fast, transparency improves, on the other hand, " water purification worm " engulfs blue-green algae, make water body limpid fast, transparency improves, and promotes submerged plant growth, the root system of submerged vegetation, absorb nitrogenous in mud and the water body, nutritions such as phosphorus, simultaneously, its root system can also discharge nutraceutical speed with obstruct deep layer mud by curing sludge in water.Submerged plant carries out photosynthesis and discharges the newborn oxygen that chemical property vivaciously has strong oxidizing property, makes suspended substance and the oxidized mineral substance that is decomposed into of organism in the water body, makes water body keep stablizing clear state.
Three, the phase III, implement the Ecological Recovery of Water technology, concrete steps are as follows:
(1) plantation floatingleaved plant, floatingleaved plant is selected from any one or a few of water lily (formal name used at school Nymphaea tetragona), Wang Lian (formal name used at school Victoria amazonica), spatterdock (formal name used at school pumilum), gold and silver lotus flower (formal name used at school Nymphoides indica), thatch real (formal name used at school Potamogeton pectinatus); 2 clumps of-3 clumps/1000m 2, wherein every clump comprises 5 strains-8 strain.The plantation floatingleaved plant both can absorb the nutritions such as nitrogenous, phosphorus in mud and the water body, simultaneously, but embellishing surface view again.
(2) starting the sudden and violent oxygen facility increase of heavy water oxygen in water reaches more than the 6mg/L;
(3) behind sudden and violent oxygen, oxygen in water is thrown in microorganisms such as photosynthetic bacterium, nitrobacteria and is promoted the submerged vegetation community growth during less than 6mg/L, makes water body limpider; In addition, also start the sudden and violent oxygen facility of heavy water and guarantee that oxygen in water concentration is greater than 6mg/L;
(4) pool, the original lake of playback wetland water body is to ordinary water-level;
(5) same day (24 hours) quantity of precipitation be 25~49.9 millimeters rainfall or 1 hour quantity of precipitation be 8.1~16.0 millimeters heavy rain after, if dissolved oxygen concentration, comprising: floatingleaved plant less than 60% less than 6mg/L or submerged vegetation fraction of coverage, the seasonality of emergent is pruned, the seasonality of submerged plant, and the harvesting under the hypertrophy situation, the control of submerged plant growth height, monitoring to the upgrowth situation of the useful hydrocoles thrown in, to the influential hydrocoles of water body (as wild fishes, the system engineering management of the dynamic aquatic ecosystem child care of contents such as cleaning disastrous species);
(6) reach more than 60% when the submerged vegetation fraction of coverage, water transparency reaches 2 meters, continue after 160 days, press aquatic ecosystem food chain structure, dispose hydrocoles simultaneously: snakehead (formal name used at school Ophicephalus argus), mandarin fish (formal name used at school Siniperca chuatsi), silver carp (formal name used at school Hypophthalmichthys molitrix), bighead (formal name used at school Aristichthys nobilis), black carp (formal name used at school Mylopharyngodon piceus), freshwater shrimp (formal name used at school Macrobranchium nipponense), oval radish spiral shell (formal name used at school Radix swinhoei), Q-RING rib spiral shell (formal name used at school Bellamya quadrata), black lip (formal name used at school Pinctada margaritifera), hydriopsis cumingii (formal name used at school Hyriopsis cumingii) and Corbicula fluminea (formal name used at school Corbicula fluminea), with this edible part waterplant, realize that nutrition is to the conversion of edibility animal proteinum in the water body, at last by gathering in submerged vegetation and fishing for fish, nutritive substance in the water is transformed on the bank, make that nutrition reduces gradually in the water body, quality of water environment cleans more, and supply volume is 10 tails-15 tails/1000m 2, wherein the length of hydrocoles is the 50mm-80mm/ tail;
(7) reach 2 meters when water transparency, and total nitrogen, total phosphorus, ammonia nitrogen, indexs such as dissolved oxygen reach " water environment quality standard " (GB3838-2002) after (referring to table 1) III class standard is checked and accepted, is index with dissolved oxygen concentration greater than 6mg/L, comprising: floatingleaved plant, the seasonality of emergent is pruned, the seasonality of submerged plant, and the harvesting under the hypertrophy situation, the control of submerged plant growth height, upgrowth situation to the useful hydrocoles thrown in, to the influential hydrocoles of water body (as wild fishes, the system engineering management of the dynamic aquatic ecosystem child care of contents such as cleaning disastrous species).
Table 1 " water environment quality standard " is quality of water environment III class standard main project standard limited value (GB3838-2002)
(unit: mg/L)
The man-made lake that embodiment 2 is newly-built---Zhaoqing, Guangdong emigrant Xing Dinghu drives product Ecological Recovery of Water and cleaning project (total area 6200 ㎡)
It is a newly-built man-made lake that Zhaoqing, Guangdong emigrant Xing Dinghu drives the product man-made lake, and the water quality transparency is about 0.4 meter before on January 7th, 2012; Surface water main projects such as quality of water environment such as dissolved oxygen, chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, total nitrogen are the V class standard of standard limited value." water environment quality standard (GB3838-2002) " sees Table 2;
Table 2 " water environment quality standard (GB3838-2002) " main project standard limited value (unit: mg/L)
Sequence number Criteria for classification value project The I class The II class The III class The IV class The V class
1 Dissolved oxygen 〉= Saturation exponent 90% (or 7.5) 6 5 3 2
2 Chemical oxygen demand (COD) (COD)≤ 2 4 6 10 15
3 Ammonia nitrogen (NH 3-N)≤ 0.15 0.5 1.0 1.5 2.0
4 Total phosphorus (in P)≤ 0.02 0.1 0.2 0.3 0.4
5 Total nitrogen (in N)≤ 0.2 0.5 1.0 1.5 2.0
Began to adopt the water ecology reparation and the purifying method of the pool, the lake wetland of the embodiment of the invention 1 to handle in back 40 days on January 7th, 2012, the water quality transparency reach 1.5 meters or more than; In 80 days, the water quality transparency reach 2.0 meters or more than; In 160 days, surface water main projects such as quality of water environment such as dissolved oxygen, chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, total nitrogen reach the III class standard or the II class standard of standard limited value.
Embodiment 3 mud reach 0.7 meter man-made lake---in altogether Zhaoqing municipal Party committee compound Ecological Recovery of Water and cleaning project.(total area 12000 ㎡)
The mud five of Zhaoqing municipal Party committee compound man-made lake does not deal with during the last ten years, and before 20 days April in 2012, the water quality transparency is about 0.4 meter; Surface water main project standard limited values such as quality of water environment such as dissolved oxygen, chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, total nitrogen are the V class standard, or even bad V class standard (" water environment quality standard (GB3838-2002) " sees Table 2);
Began to adopt the water ecology reparation and the purifying method of the pool, the lake wetland of the embodiment of the invention 1 to handle in back 40 days on April 20th, 2012, the water quality transparency reach 1.5 meters or more than; In 80 days, the water quality transparency reach 2.0 meters or more than; In 160 days, surface water main project standard limited values such as quality of water environment such as dissolved oxygen, chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, total nitrogen reach III class standard or II class standard.
It should be noted that at last: above only is the preferred embodiments of the present invention; be not limited to the present invention; although the present invention is had been described in detail with reference to embodiment; for a person skilled in the art; it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing; perhaps part technical characterictic wherein is equal to replacement; but it is within the spirit and principles in the present invention all; any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the water ecology reparation and the purifying method of the pool, lake wetland is characterized in that handling successively by following several stages:
Fs comprises: drain the pool, lake wetland water body by the topography and geomorphology segmentation of lake, pond, wetland, the pool, lake wetland mud is carried out activity, sterilization and processed, the sudden and violent oxygen facility of water is sunk in prefabricated installation, plantation submerged vegetation group, and the pool, the original lake of playback wetland water body;
Subordinate phase comprises: throw in suspended substance, purifying water bodies such as algae in " water purification worm " treating water, detritus in water body, described " water purification worm " selected for use can become the crust zooplankton such as low that engulfs blue-green algae, purifying water body specially after purification, rejuvenation, domestication;
Phase III comprises: plant floatingleaved plant in water body, dispose the hydrocoles of edible part waterplant then and repair the aquatic ecosystem food chain.
2. the water ecology reparation and the purifying method of the pool, lake according to claim 1 wetland is characterized in that the described fs may further comprise the steps:
(1) drains the pool, lake wetland water body by the topography and geomorphology segmentation of lake, pond, wetland;
(2) if the pool, described lake wetland is soft revetment, pile the slope by the soil natural angle of repose and handle, plant emergent then, carry out following (3) step again; If the pool, described lake wetland is the hard revetment, directly carry out following (3) step;
(3) adopt effective microbe and unslaked lime to carry out activity, sterilization and processed 4~7 days to the pool, lake wetland mud;
(4) the sudden and violent oxygen facility of heavy water of prefabricated locating distance muck surface top 400mm~600mm;
(5) according to the degree of depth of the pool, lake wetland mud, plant submerged vegetation group;
(6) pool, the original lake of playback wetland water body covers submerged vegetation group, and water level reaches the top 300mm~500mm of submerged vegetation group.
3. the water ecology reparation and the purifying method of the pool, lake according to claim 2 wetland, it is characterized in that, the heap slope of described (2) step is divided into bottom, middle layer and top layer, bottom is laid gravel, it highly is 200mm~250mm, the middle layer height is 100mm~150mm, and top layer is selected sandy loam for use.
4. the water ecology reparation and the purifying method of the pool, lake according to claim 2 wetland, it is characterized in that the emergent of described (2) step is selected a kind of or several arbitrarily in power flower, papyrus, red sheath fishscale bamboo taro, lotus, water candle, reed, Arundo donax, mullet grass, flower calamus, yellow flag, Scirpus tabernaemontani, Fischer grass, Monochoria korsakowii, Spiked Loosestrife, arrowhead, the Rush again.
5. the water ecology reparation and the purifying method of the pool, lake according to claim 2 wetland, it is characterized in that, the submerged vegetation group of described (5) step is totally ten one kinds of black algae, hydrilla verticillata, Luo Shi hydrilla verticillata (mutation), water caltrop, potarnogeton lucens, poly-algae, hornwort, leaf of bamboo Herba potamogetonis distincti, Herba Potamogetonis Pectinati, the eel grass through downgrading improvement and little najas marinas, wherein the eel grass plantation amount through downgrading improvement accounts for 70% of submerged vegetation group plantation amount always, and all the other kinds respectively account for 3%.
6. the water ecology reparation and the purifying method of the pool, lake according to claim 2 wetland is characterized in that the planting density of submerged vegetation is in described (5) step: the pool, the lake wetland mud degree of depth is less than 0.2 meter, the 20 clumps/m of planting density of submerged vegetation 2~25 clumps/m 2The pool, the lake wetland mud degree of depth more than or equal to 0.2 meter smaller or equal to 0.5 meter, the 12 clumps/m of planting density of submerged vegetation 2~18 clumps/m 2The pool, the lake wetland mud degree of depth is greater than 0.5 meter, 6 clumps/m of planting density 2~10 clumps/m 2, wherein every clump of submerged vegetation comprises 3 strains~5 strain submerged vegetation.
7. the water ecology reparation and the purifying method of the pool, lake according to claim 1 wetland is characterized in that, the low zooplankton such as crust such as grade of described subordinate phase is a water flea, and injected volume is 150~200/m 2
8. the water ecology reparation and the purifying method of the pool, lake according to claim 2 wetland is characterized in that the described phase III comprises following step:
(1) plantation floatingleaved plant;
(2) start the heavy sudden and violent oxygen facility of water, oxygen in water is reached more than the 6mg/L;
(3) behind the sudden and violent oxygen, promote the submerged vegetation community growth, and start the sudden and violent oxygen facility of heavy water and guarantee that oxygen in water concentration is more than the 6mg/L if oxygen in water, is thrown in microorganisms such as photosynthetic bacterium, nitrobacteria less than 6mg/L;
(4) pool, the original lake of playback wetland water body is to ordinary water-level;
(5), and continue after 160 days the hydrocoles of configuration edible waterplant when the submerged vegetation fraction of coverage is reached more than 60%, water transparency reaches 2 meters;
(6) when dissolved oxygen concentration less than 6mg/L or submerged vegetation fraction of coverage less than 60%, carry out the system engineering management of dynamic aquatic ecosystem child care, the system engineering management of described dynamic aquatic ecosystem child care comprises: the seasonality of floatingleaved plant, emergent is pruned, the seasonality of submerged plant, and the hypertrophy situation under harvesting, the control of submerged plant growth height, to the monitoring of the upgrowth situation of the useful hydrocoles thrown in, to the cleaning of the influential hydrocoles of water body.
9. the water ecology reparation and the purifying method of the pool, lake according to claim 8 wetland, it is characterized in that, the floatingleaved plant of described (1) step is selected a kind of or several arbitrarily in real of water lily, Wang Lian, spatterdock, gold and silver lotus flower, thatch, and the planting density of floatingleaved plant is 2 clumps of-3 clumps/1000m 2, wherein the quantity of every clump of floatingleaved plant is 5 strains~8 strains.
10. the water ecology reparation and the purifying method of the pool, lake according to claim 8 wetland, it is characterized in that, the hydrocoles of described (5) step comprises snakehead, mandarin fish, silver carp, bighead, black carp, freshwater shrimp, oval radish spiral shell, Q-RING rib spiral shell, black lip, hydriopsis cumingii and Corbicula fluminea, and the configuration density of described hydrocoles is 10 tails (only)-15 tails (only)/1000m 2, wherein the length of hydrocoles is the 50mm-80mm/ tail.
CN201310164738.7A 2013-05-07 2013-05-07 Ecological restoration and purification method for water of lake and pool wet land CN103214099B (en)

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CN107052041B (en) * 2017-04-21 2020-11-10 杜道林 Method for efficiently restoring polluted wetland by utilizing artificial ecosystem
CN107052041A (en) * 2017-04-21 2017-08-18 杜道林 A kind of method that utilization artificial ecological system efficiently repairs contaminated wetland
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