CN101264982A - Ecological restoring and maintaining method for landscape water body - Google Patents
Ecological restoring and maintaining method for landscape water body Download PDFInfo
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Abstract
The invention relates to a landscape water body bioremediation and ecological conservation method, and belongs to the technology field of environment protection. The method comprises external source pollution control including landscape water body peripheral environment greening, bank edge landform treatment, and pollution control of high density water plant zone in bank edge shoal water zone, atmosphere and storm-water runoff. The landscape water body ecological conservation method comprises aquatic community construction as a main means, and ecological embankment and other techniques as auxiliary means. The landscape water body bioremediation method adopts an active biological filter system as a main means and an algae removal device as an auxiliary means. The inventive method solves the water pollution and landscape deterioration problems of urban and residential district landscape water body.
Description
Technical field
The present invention relates to a kind of method of environmental protection technical field, specifically is a kind of restoration of the ecosystem and maintenance method of landscape water body.
Background technology
In recent years, in the construction of urban green space, construction of park and residential quarter, artificial lake, landscape pond and landscape pond continue to bring out.City appearance water body mostly is the sealing unhurried current water body of static or mobile difference, characteristics such as generally have little, the easy pollution of water surface area, water environment capacity is little, water body self-purification ability is low, add the influence of resident living and water system Mesichthyes, cause very easily that suspended substance increases in the water, turbidity increases, organism, bacterium and colibacillary content all increase.When temperature is higher, be rich in the water body of nutritive elements such as N, P and also can grow algae, the unusual breeding of algae can destroy the eubiosis of environment, lake water presents tangible green, and water body chroma is higher, generally can reach tens degree even go up Baidu, and with tangible fishy smell, sometimes even cause water body blackout smelly, lost the function of landscape water body, so the processing of landscape water body there are its necessity and urgency.
Find through literature search prior art, the restoration of the ecosystem of existing landscape water body and maintenance method, as Chinese patent application numbers 200410025487, patent name is: a kind of landscape water treatment system, this patent readme is: " the invention belongs to the environmental protection field, disclose a kind of landscape water treatment system, setting up the diatomite structures with solid shape more than the water surface and below the water surface; implant grass seeds in outer diatomite, add microorganism in the internal layer diatomite.Each species interdependence in the landscape water treatment system of the present invention, interaction form a perfect relatively ecosystem under water, can constantly breed expansion in the water body of various different qualities, thereby play the effect that purifies water." this technology can be by the biological action of diatomaceous physical adsorption and waterplant, the Decomposition purifying water body of microorganism; can play good cleaning action to the water body under the situation of light contamination, be a kind of ecology maintenance technology that makes up the small-sized ecosystem.But just be difficult to play good cleaning action under the situation of or algae large-scale outbreak serious when the body eutrophication situation, because of it only is a kind of ecological maintenance method, not control of pollution to external source, and for not having effective treatment unit or facility under the water quality severe contamination situation, so this technology can only can play good cleaning action for light contamination or the lighter water body of eutrophication degree.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of restoration of the ecosystem and maintenance method of landscape water body is provided.The present invention carries according to the ecology recovering principle, use ecological engineering technology and method, start with from whole landscape design, water pollution control and ecological maintenance, carry out city and sub-district view water area water-quality restoration of the ecosystem and ecological keep setting up and keep the city and the sub-district view water area water-quality ecosystem gets good figure round-robin new approaches, thereby solve city and view waters, sub-district water pollution environmental problem and view degenerate problem.
The present invention is achieved through the following technical solutions, the present invention includes external source Pollution control technology, the ecological maintenance technology of water quality, water quality repair process technology three parts, specifies as follows:
Described external source Pollution control technology comprises the steps:
The first step, dustproof in the greening of landscape water body periphery, control atmospheric precipitation and road dust are polluted.
Second step, build the water body revetment of various informativeization: adopt the gentle slope to reduce the entry runoff and wash away, utilizing China fir stake, cobble etc. is the abrupt slope revetment, and revetment limit kind is implanted with multiple aquatic and hygrophyte, firmly soil suppresses to wash away because of storm runoff forms revetment.
The 3rd step, the ecological ditch of high-density waterplant of the wide space between plants 1.5m-4.5m of 2m-3m is built in the shoaling water, bank, can form effective filtration to the pollution that face of land runoff zones is come by planting highdensity waterplant, stop the rainwash pollutent directly to enter water body.
The ecological maintenance technology of described water quality comprises the steps:
The first step, emergent, submerged plant and floatingleaved plant are planted in the combination of screening waterplant in water body, recover the aquatic vegetation in waters.
Second step (met " water for scenic environment use water quality standard CJ/T95-2000 (water scenery class) ") under the good situation of water quality condition, put human consumers at different levels in water in a suitable place to breed, made up community of aquatic organism, reached the purpose that promotes self purification of water body.
Described water quality repair process technology comprises the steps:
The first step, condition of water quality worsens (CODcr＞30mg/L; BOD5＞6mg/L; Total phosphorus＞0.3mg/L; Total nitrogen＞15mg/L; Ammonia nitrogen＞1.5mg/L; Dissolved oxygen＜3mg/L; PH value＞9) landscape water body is held back particle suspensions more than the 10mm and floating matter in the water body by screen cloth.
In second step, the water of process screen cloth enters water collecting basin, and the balanced water yield keeps head simultaneously.
In the 3rd step, the water of water collecting basin to be entering into structure-type active bio filter bed inlet channel from stream mode, and the biological purification by the active bio filter bed makes condition of water quality be improved.
In the 4th step, be back in the former landscape water body through the water after the active bio filter bed treatment and purification.
In the 5th step, the landscape water of little pollution can directly enter water collecting basin, improves the water quality of landscape water body through active bio filter bed circular treatment.
In the 6th step, algae is closed active bio filter bed treatment system more for a long time in the summer water, adds flocculation agent (PAC) by volume pump in water body.
In the 7th step, the water after the process flocculation enters and is back to former landscape water body after the ball-type algae-removing device is handled.
In the 8th step,, directly discharge through the water after the back flushing with the landscape water back flushing algae-removing device after refluxing.
Described green plants: winter jasmine, Malus spectabilis crape myrtle, lotus, maple, wax plum etc.
Described water body revetment is the ecological revetment of characteristic: the ecological revetment of pebble-type, the ecological revetment of timber type etc.
Described aquatic and hygrophyte: lotus, water lily, Arundo donax, Spiked Loosestrife, floating heart, Canna generalis Bailey etc.
Described high-density waterplant ditch, the highdensity waterplant of plantation space between plants 1.5-4.5m, as: yellow flag, cattail, Canna generalis Bailey, reed, Arundo donax etc.
Described submerged plant: hornwort, water harmony, black algae, leaf of bamboo Herba potamogetonis distincti, eel grass etc.
Described floatingleaved plant: water lily, water chestnut class, floating heart, spatterdock etc.
Described human consumer at different levels is hydrocoles such as fish, spiral shell, shrimp, shellfish, macrozooplankton, and the microorganism of kind and One's name is legion and protozoon etc.
Described water collecting basin: the balanced water yield, keep head simultaneously, be convenient to enter into active bio filter bed inlet channel from stream mode.Design variable: the residence time 〉=6hr.
Described active bio filter bed: design variable HRT (hydraulic detention time) 〉=20hr, buried, combine together with the greening of ecological water scenery periphery.Day output 20m3,20 days circular treatment cycles.CODcr, BOD5, total phosphorus, ammonia nitrogen average removal rates such as (in N) reach 10%.
Described flocculation agent (PAC): dosage is 5-20mg/l.
Described algae-removing device: sphere, internal diameter 500-1000mm.
The present invention compared with prior art, have the following advantages and beneficial effect: the present invention is that a cover comprises with the landscape water body surrounding enviroment and afforesting, the bank landform is handled and shoaling water, bank high-density waterplant band, atmosphere and storm runoff Pollution control technology are in interior external source Pollution control technology, based on the construction community of aquatic organism, the ecological maintenance technology of auxiliary water quality with technology such as ecological revetments, reach the water quality of landscape water restoration of the ecosystem and the ecological technology that keeps of the water quality restoration of the ecosystem treatment technology of auxiliary algae-removing device with structure-type active bio filter bed system, demonstrated fully the sustainable development idea of natural harmony.By the application test in ecotecture environment demonstration building landscape water body demonstration project, the result shows that this cover technology can effectively keep the benign cycle of landscape water body, and embodies the characteristics of ecology.Comprehensive action by active bio filter bed water quality circulation and regeneration technology, landscape water body algae removal technology, the ecological maintenance technology of water quality and external source Pollution control technology makes ecological water scenery water quality reach " water environment quality standard GB3838-200 " IV class standard substantially.
Description of drawings
The active bio filter bed circular treatment schema that Fig. 1 uses for the embodiment of the invention.
The landscape water body that Fig. 2 uses for the embodiment of the invention removes the algae schema.
Embodiment
Below embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
One, external source Pollution control technology, implementation step is as follows:
1, at green plants such as landscape water body periphery plantation winter jasmine, Malus spectabilis crape myrtle, lotus, maple, wax plums, be used to control atmospheric precipitation and road dust and pollute.
2, revetment adopts the ecological revetment of pebble-type, the ecological revetment of timber type or comprehensive revetment form.Revetment limit kind is implanted with lotus, water lily, and Arundo donax, Spiked Loosestrife, floating heart, aquatic and hygrophyte such as Canna generalis Bailey is used for firm soil, suppresses to wash away because of storm runoff forms revetment.
3, the shoaling water, bank is built the high-density waterplant of the wide space between plants 1.5-4.5m of 2-3m and is with ecological ditch, waterplant by high-density such as plantation yellow flag, cattail, Canna generalis Bailey, reed, Arundo donaxes can form effective filtration to the pollution that face of land runoff zones is come, and stops the rainwash pollutent directly to enter water body.
Two, the ecological maintenance technology of water quality, implementation step is as follows:
1, floatingleaved plants such as submerged plant such as hornwort, water harmony, black algae, leaf of bamboo Herba potamogetonis distincti, eel grass and water lily, water chestnut class, floating heart, spatterdock are planted in screening waterplant combination in water body, recover the aquatic vegetation in waters.
2, under the good situation of water quality condition, (meet " water for scenic environment use water quality standard CJ/T95-2000 (water scenery class) "), in water, put hydrocoles such as fish, spiral shell, shrimp, shellfish, macrozooplankton in a suitable place to breed, and human consumers at different levels such as the microorganism of kind and One's name is legion and protozoon, make up community of aquatic organism, reach the purpose that promotes self purification of water body.
Three, water quality repair process technology, accompanying drawings is as follows:
As shown in Figure 1, the active bio filter bed treatment scheme of present embodiment use is as follows:
1, the landscape water body that condition of water quality worsens is held back particle suspensions big in the water body and floating matter by screen cloth.
2, enter water collecting basin through the water of screen cloth, can the balanced water yield, keep head simultaneously.
3, the water of water collecting basin to be entering into active bio filter bed inlet channel from stream mode, and the biological purification by the active bio filter bed makes condition of water quality be improved.
4, be back in the former landscape water body through the water after the active bio filter bed treatment and purification.
5, the landscape water of little pollution can directly enter water collecting basin and carry out circular treatment, improves the water quality of landscape water body through circular treatment.
As shown in Figure 2, the landscape water body of present embodiment use is as follows except that the algae flow process:
1, algae is closed active bio filter bed treatment system more for a long time in the summer water, adds flocculation agent (PAC) by volume pump in water body.
2, the water after the process flocculation enters and is back to former landscape water body after the ball-type algae-removing device is handled.
3, with the landscape water back flushing algae-removing device after refluxing, directly discharge through the water after the back flushing.
Application feature: the landscape water body with ecological office demonstration building in certain development in science and technology garden, city is a process object, handles.
Active bio filter bed treatment system, screen cloth: big particle suspensions and floating matter in the interception curtain wall wash-down water.Water collecting basin: design variable: 2m x 2m x 2m, the balanced water yield keeps head simultaneously, is convenient to enter into active bio filter bed inlet channel from stream mode.The active bio filter bed: 4m x 5m x 0.8m, buried, combine together with the greening of ecological water scenery periphery.Day output 20m
3, 20 days circular treatment cycles.CODcr, BOD5, total phosphorus, ammonia nitrogen average removal rates such as (in N) reach 10%.
Landscape water body removes phytem system, quantity of circulating water: 200m
3/ d; Flocculation agent: 1-4Kg/d, promptly dosage is 5-20mg/l; Algae-removing device: sphere, internal diameter 800mm; Filtrate: particle diameter 0.5～1.0mm
Effect: remove the unify comprehensive action of external source pollution control system of phytem system, the ecological maintenance line of water quality by active bio filter bed water quality indirect regeneration, landscape water body, make ecological water scenery water quality arrive " water environment quality standard GB3838-2002 " IV class standard substantially, its leading indicator is:
IV class: mainly be applicable to the recreational water district of general industry Water District and the non-direct contact of human body, CODcr≤30mg/L; BOD5≤6mg/L; Total phosphorus≤0.3mg/L; Total nitrogen≤15mg/L; Ammonia nitrogen≤1.5mg/L; Dissolved oxygen 〉=3mg/L; PH value: 6-9.
Simultaneously on apparent, do not have floating matter, noly beastlyly smell and distinguish the flavor of.
As adopt reuse water water as a supplement, and then treat effluent should satisfy " water for scenic environment use water quality standard CJ/T95-2000 (water scenery class) ", and its leading indicator is:
BOD5≤6mg/L; Total phosphorus≤0.5mg/L; Total nitrogen≤15mg/L; Ammonia nitrogen≤5mg/L; Dissolved oxygen 〉=1.5mg/L; SS≤6mg/L; PH value: 6-9.
Claims (8)
1, a kind of restoration of the ecosystem of landscape water body and maintenance method is characterized in that, comprise external source Pollution control technology, the ecological maintenance technology of water quality, water quality repair process technology three parts:
Described external source Pollution control technology comprises the steps:
The first step, dustproof in the greening of landscape water body periphery, control atmospheric precipitation and road dust are polluted;
In second step, build the water body revetment of various informativeization: adopt the gentle slope to reduce the entry runoff and wash away, utilize China fir stake, cobble to be the abrupt slope revetment, revetment limit kind is implanted with multiple aquatic and hygrophyte, and firm soil suppresses to wash away because of storm runoff forms revetment;
In the 3rd step, the shoaling water, bank is built the waterplant of 1.5 meters-4.5 meters of space between plants and is with ecological ditch, and the pollution that face of land runoff zones is come forms effective filtration, stops the rainwash pollutent directly to enter water body;
The ecological maintenance technology of described water quality comprises the steps:
The first step, emergent, submerged plant and floatingleaved plant are planted in the combination of screening waterplant in water body, recover the aquatic vegetation in waters;
Second step, under the good situation of water quality condition, in water, put human consumers at different levels in a suitable place to breed, make up community of aquatic organism, reach the purpose that promotes self purification of water body;
Described water quality repair process technology comprises the steps:
The first step, the landscape water body that condition of water quality worsens is held back particle suspensions more than the 10mm and floating matter in the water body by screen cloth;
In second step, the water of process screen cloth enters water collecting basin, and the balanced water yield keeps head simultaneously;
In the 3rd step, the water of water collecting basin to be entering into structure-type active bio filter bed inlet channel from stream mode, and the biological purification by the active bio filter bed is improved condition of water quality;
In the 4th step, be back in the former landscape water body through the water after the active bio filter bed treatment and purification;
In the 5th step, the landscape water of little pollution directly enters water collecting basin, improves the water quality of landscape water body through active bio filter bed circular treatment;
In the 6th step, algae is closed active bio filter bed treatment system more for a long time in the summer water, adds flocculation agent by volume pump in water body;
In the 7th step, the water after the process flocculation enters and is back to former landscape water body after the ball-type algae-removing device is handled;
In the 8th step,, directly discharge through the water after the back flushing with the landscape water back flushing algae-removing device after refluxing.
2. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method is characterized in that: 2 meters-3 meters of the waterplant furrow widths that described space between plants is 1.5 meters-4.5 meters.
3. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method is characterized in that: described condition of water quality worsens, and is meant: CODcr＞30mg/L, BOD5＞6mg/L, total phosphorus＞0.3mg/L, total nitrogen＞15mg/L, ammonia nitrogen＞1.5mg/L, dissolved oxygen＜3mg/L, pH value＞9.
4. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method, it is characterized in that: described water quality condition is good, is meant that water quality condition meets " water for scenic environment use water quality standard CJ/T95-2000 (water scenery class) ".
5. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method is characterized in that: described water collecting basin, its design variable: the residence time 〉=6hr.
6. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method is characterized in that: described active bio filter bed, and its hydraulic detention time 〉=20hr, buried.
7. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method, it is characterized in that: described flocculation agent, its dosage are 5mg/l-20mg/l.
8. the restoration of the ecosystem of landscape water body according to claim 1 and maintenance method is characterized in that: described algae-removing device is for spherical, and internal diameter is 500mm-1000mm.
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Cited By (16)
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| CN101913731A (en) * | 2010-07-28 | 2010-12-15 | 清华大学 | Method for controlling eutrophication of landscape water supplied by regenerated water |
| CN102084770A (en) * | 2010-10-27 | 2011-06-08 | 环境保护部华南环境科学研究所 | Agricultural field system for reducing runoff pollution and construction method and application thereof |
| CN102524034A (en) * | 2011-12-27 | 2012-07-04 | 中国水产科学研究院黑龙江水产研究所 | Hydrophyte three-dimensional floating bed and method for ecological culture of fish by using same |
| CN103073152A (en) * | 2013-01-09 | 2013-05-01 | 王洪臣 | Low-energy-consumption processing device for self-circulation sewage |
| CN103172178A (en) * | 2013-04-08 | 2013-06-26 | 天津大学 | Ecological remediation and maintenance method of campus landscape water body |
| CN103848541A (en) * | 2014-01-26 | 2014-06-11 | 西北农林科技大学 | Method for preparing efficient agricultural water filtration system for slope land |
| CN105948270A (en) * | 2016-07-07 | 2016-09-21 | 厦门优九生态科技有限公司 | Ecological remediation method and remediation system for natural water body |
| CN106007194A (en) * | 2016-06-27 | 2016-10-12 | 浙江水利水电学院 | Water treatment system and method for wetland landscape park |
| CN106045213A (en) * | 2016-07-14 | 2016-10-26 | 环境保护部华南环境科学研究所 | Water quality maintenance and ecological remediation method for lake landscape water body |
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
| CN108751426A (en) * | 2018-05-30 | 2018-11-06 | 郑州丽福爱生物技术有限公司 | A kind of sewage disposal device based on biotechnology |
| CN110150044A (en) * | 2019-05-08 | 2019-08-23 | 上海亦境建筑景观有限公司 | Construct a kind of dust-proof, noise reduction phytobiocoenose method |
| CN112028386A (en) * | 2020-08-07 | 2020-12-04 | 东珠生态环保股份有限公司 | Ecological restoration method for landscape land by using reclaimed water |
| CN112685688A (en) * | 2021-01-12 | 2021-04-20 | 长江水资源保护科学研究所 | Long-distance water delivery open channel water quality simulation and prediction method and system |
| CN113233695A (en) * | 2021-04-06 | 2021-08-10 | 深圳市广汇源环境水务有限公司 | Method for comprehensively treating urban landscape water body |
| CN113344341A (en) * | 2021-05-19 | 2021-09-03 | 珠海市规划设计研究院 | Method, system and medium for determining urban suitable water surface rate based on storage and drainage balance |
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- 2008-04-24 CN CN200810036549A patent/CN100595167C/en not_active Expired - Fee Related
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| CN101913731A (en) * | 2010-07-28 | 2010-12-15 | 清华大学 | Method for controlling eutrophication of landscape water supplied by regenerated water |
| CN102084770A (en) * | 2010-10-27 | 2011-06-08 | 环境保护部华南环境科学研究所 | Agricultural field system for reducing runoff pollution and construction method and application thereof |
| CN102084770B (en) * | 2010-10-27 | 2012-11-21 | 环境保护部华南环境科学研究所 | Agricultural field system for reducing runoff pollution and construction method and application thereof |
| CN102524034A (en) * | 2011-12-27 | 2012-07-04 | 中国水产科学研究院黑龙江水产研究所 | Hydrophyte three-dimensional floating bed and method for ecological culture of fish by using same |
| CN102524034B (en) * | 2011-12-27 | 2015-05-27 | 中国水产科学研究院黑龙江水产研究所 | Hydrophyte three-dimensional floating bed and method for ecological culture of fish by using same |
| CN103073152A (en) * | 2013-01-09 | 2013-05-01 | 王洪臣 | Low-energy-consumption processing device for self-circulation sewage |
| CN103073152B (en) * | 2013-01-09 | 2014-04-23 | 王洪臣 | Low-energy-consumption processing device for self-circulation sewage |
| CN103172178A (en) * | 2013-04-08 | 2013-06-26 | 天津大学 | Ecological remediation and maintenance method of campus landscape water body |
| CN103848541A (en) * | 2014-01-26 | 2014-06-11 | 西北农林科技大学 | Method for preparing efficient agricultural water filtration system for slope land |
| CN103848541B (en) * | 2014-01-26 | 2015-10-07 | 西北农林科技大学 | The preparation method of a kind of hillside fields high-efficiency agriculture water filtering system |
| CN106007194B (en) * | 2016-06-27 | 2020-10-30 | 浙江水利水电学院 | Water quality treatment system and method for wetland landscape park |
| CN106007194A (en) * | 2016-06-27 | 2016-10-12 | 浙江水利水电学院 | Water treatment system and method for wetland landscape park |
| CN105948270A (en) * | 2016-07-07 | 2016-09-21 | 厦门优九生态科技有限公司 | Ecological remediation method and remediation system for natural water body |
| CN106045213A (en) * | 2016-07-14 | 2016-10-26 | 环境保护部华南环境科学研究所 | Water quality maintenance and ecological remediation method for lake landscape water body |
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
| CN107954519B (en) * | 2017-12-05 | 2021-03-30 | 杨州 | Method for improving landscape water environment |
| CN108751426A (en) * | 2018-05-30 | 2018-11-06 | 郑州丽福爱生物技术有限公司 | A kind of sewage disposal device based on biotechnology |
| CN110150044A (en) * | 2019-05-08 | 2019-08-23 | 上海亦境建筑景观有限公司 | Construct a kind of dust-proof, noise reduction phytobiocoenose method |
| CN112028386A (en) * | 2020-08-07 | 2020-12-04 | 东珠生态环保股份有限公司 | Ecological restoration method for landscape land by using reclaimed water |
| CN112685688A (en) * | 2021-01-12 | 2021-04-20 | 长江水资源保护科学研究所 | Long-distance water delivery open channel water quality simulation and prediction method and system |
| CN112685688B (en) * | 2021-01-12 | 2021-10-01 | 长江水资源保护科学研究所 | Long-distance water delivery open channel water quality simulation and prediction method and system |
| CN113233695A (en) * | 2021-04-06 | 2021-08-10 | 深圳市广汇源环境水务有限公司 | Method for comprehensively treating urban landscape water body |
| CN113344341A (en) * | 2021-05-19 | 2021-09-03 | 珠海市规划设计研究院 | Method, system and medium for determining urban suitable water surface rate based on storage and drainage balance |
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