CN103669282B - A kind of method that riverbed sludge is processed on the spot - Google Patents
A kind of method that riverbed sludge is processed on the spot Download PDFInfo
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- CN103669282B CN103669282B CN201310727843.7A CN201310727843A CN103669282B CN 103669282 B CN103669282 B CN 103669282B CN 201310727843 A CN201310727843 A CN 201310727843A CN 103669282 B CN103669282 B CN 103669282B
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- bed mud
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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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Abstract
The present invention relates to a kind of river (lake) bed mud and process on the spot the ecological engineering technology that builds ecological revetment. That river, urban area (lake) bed mud and grain fraction thing are filled to ecology bag, for building ecological dike on loke shore limit, cement hardening river, at the mixture of ecology bag and run-of-bank gravel interband filling bed mud and other components, then plant the contour detergent power plant of shrubbery and sedge, build bed mud treatment system on the spot. The present invention is that the riverbed sludge of realizing municipal pollution is processed on the spot, reduces cost of transportation, reduces ambient influnence, utilizes the bed mud matrix, plant and the microorganism hybrid system that build, realizes the ecologically harmless of bed mud and processes and recycle. The nearly natural plants zoology forming can be tackled, absorb rainwash and carry the area source pollutants into river (lake), subdues level of pollution.
Description
Technical field
The invention belongs to environmental technology field, specifically relate to a kind of method that riverbed sludge is processed on the spot.
Background technology
Follow rapid development of economy, the continuous expansion of city size, the pollution problem of lake water systems is day by day serious. BasinInterior due to reasons such as the farmland reclamation of wasteland, vegetation deteriorations, soil erosion aggravation. City is in order to maintain open fire view, and structure dykes and dams etc. are establishedExecute, cause riverbed sludge accumulating rate to be accelerated, affected the problems of ecological security such as city water storage for preventing flood. Therefore, lake, metropolitan district riverThe sludge handling that district accumulates a large amount of pollutants just becomes the extremely urgent problem of current government and society. A large amount of organic matters is brokenBits, poisonous hard-degraded substance, heavy metal etc. deposit in riverbed sludge, cause sediment pollution aggravation. In point-source pollution and face sourcePollute when larger, bed mud plays enrichment to these pollutants; And when point-source pollution and pollution of area source controlled after, theseBe deposited on pollutant in bed mud under physics, chemistry and biological effect, complicated variation occur in bed mud, then to waterBody discharges pollutant, aquatic ecosystem is constituted a threat to and even destroyed, and then the threat mankind's is healthy.
For the processing of polluting riverbed sludge, after many employing dredgings, focus at present, dig by waterpower or mechanical meansExcept the pollutant on bottom mud in lake top layer, then carry out the defeated processing that moves, reduce the release of pollutants in sediments. Although dredging can comparatively haveThe pollution situation in the solution river of effect, but because the bed mud after dredging still needs to carry out subsequent treatment, excavate corresponding rejected materialLandfill is carried out in hole, and freight charges and excavation cost have also strengthened the cost of Sediment Dredging; And a large amount of pollutants that contain in bed mud also canEnter soil and cause secondary pollution, form new environmental problem. In existing patent for the description of riverbed sludge processing method alsoHave a lot, for example a kind of method (CN103408209A), lake, a kind of river that utilizes modified zeolite in-situ control sedimentary phosphate to discharge is clearThe integrated experimental rig of silt sludge dehydrating and drying and method (CN103408207A), be applicable to shallow narrow type and mix the multistage of water river courseWater quality ecological purification system (CN103351084A), the treatment system of removing for inner city pollution of river bed mud and processing workSkill (CN103334469A), contaminated sludge handling device (CN203307188U) but be confined to by the side of physics, chemistry moreMethod changes the physicochemical property of bed mud, has ignored biological and ecological synergy, and has all needed to carry out strange land processing, invisible increasingAdd the cost of transport.
Along with China's rapid economic development, the continuous expansion of city size, the water pollution problems in river and lake is increasinglyIncrease the weight of, the processing of polluted bed mud also becomes hot issue, and how to bed mud low cost, innoxious and recycling treatment will be governmentEmphasis with social concerns.
Summary of the invention
The present invention is directed to the deficiency of above Sediment Dredging post-processing technology aspect, according to the particularity of lake, the river ecosystem,A kind of method that riverbed sludge is processed is on the spot proposed.
The technical solution used in the present invention:
River (lake) Sediment Dredging is transported to loke shore limit, river, and evenly mixes by a certain percentage structure with thick, thin material componentBecome bed mud mixed-matrix, this bed mud mixed-matrix is filled to corrosion-resistant, permanent non-degradable, and there is good water penetrationIn the ecology bag of energy, piling up this ecology bag apart from bank 1-2 rice, river (lake), and utilizing anchor pile anchoring to be built into ecological dike,Ecological dike face, higher than the about 50-80cm of the water surface, is filled bed mud mixed-matrix at ecological dike and Yuan He (lake) bank interband, and mixed at bed mudClose the efficient plant of removing pollutant and having landscaping function of plantation in matrix, plant can be scrub plant and draft is plantedThing. Realize opposite bank band rainwash and carry holding back of pollution of area source, the removal of the pollutant in bed mud and water body has scape simultaneouslyThe several functions such as sight beautifies, ecological revetment, realize the target of bed mud low cost, innoxious and recycling treatment.
Bed mud and thick, thin material component composition bed mud mixed-matrix are by weight proportion:
Roughage component 20%-40%
Thin material component 20%-40%
Bed mud component 40%
Each component sum is 100%;
Described roughage component is slag, scoria, boiler ash sediment, wherein one or more of gravel, can be with arbitrarilyRatio is mixed;
Described thin material component is perlite, zeolite, vermiculite, wherein one or more of volcanic ash, can be with arbitrarilyRatio is mixed;
Described thin material component diameter is less than 5mm, and roughage component diameter is greater than 10mm;
The efficient plant of removing pollutant and having landscaping function of described plantation on mixed-matrix, can be shrubberyWillow and sedge, both planting densities are: shrubbery willow 1 strain/m2, sedge 5 strains/m2，
The present invention compared with prior art, has the following advantages:
1, the present invention has realized low cost, the harmless treatment after urban rivers and lakes Sediment Dredging, reduces cost of transportation, subtractsThe light impact on other environment. By the treatment system on the spot, growing plants and the micro-life that utilize bed mud and other component to buildThing can have good improving effect to bed mud physicochemical characteristics, by the synergy of physics, chemistry, biology, can subdueRemove the pollutant in bed mud, realize to a certain extent the reparation to bed mud structural constituent, realize innoxious target;
2, the treatment system on the spot that riverbed sludge builds, in repairing for bed mud, has to a certain degree been improvedWater quality of river has crown_interception to a certain degree to the runoff pollution that imports lake, river simultaneously;
3, the near natural shore protection treatment system on the spot of utilizing riverbed sludge to build, also can realize ecological revetment, urban leisureThe functions such as public place of entertainment beautification of landscape have good environmental publicity and education function simultaneously, contribute to improve resident's environmental consciousnessAnd environmental knowledge.
Brief description of the drawings
Accompanying drawing is a kind of riverbed sludge schematic diagram of processing method on the spot
In figure: 1. ecological dike, 2. plant, 3. bed mud mixed-matrix, 4. anchor pile.
Detailed description of the invention
Embodiment 1:
The man-made lake that is 1m at water depth, gets bed mud mixed-matrix and packs ecology bag into, piles up ecological apart from 2 meters of of loke shoreBag forms ecological dike, and dike face is higher than water surface 50cm, and anchoring. Bed mud mixed-matrix is bed mud and roughage component slag, thin materialMaterial component vermiculite evenly mixes by the part by weight of 40%:40%:20%, then by the filling of bed mud mixed-matrix in former loke shore andBetween ecological dike, then every square meter is planted 1 strain shrubbery willow, 5 strain sedges.
Embodiment 2:
The riverbank that is 2m at water depth, by bed mud and roughage component slag and gravel, thin component perlite is by 40%:The part by weight of 20%:40% is uniformly mixed into bed mud mixed-matrix, gets bed mud mixed-matrix and enters ecology bag, apart from, 1 meter, riverbankPile up ecology bag and form ecological dike, and anchoring, dike face is higher than water surface 60cm. Again by the filling of bed mud mixed-matrix in former riverbank and lifeBetween state dike, then every square meter is planted 1 strain shrubbery willow, 5 strain sedges.
Embodiment 3:
The riverbank that is 3m at water depth, by bed mud and roughage component slag and gravel, thin material component perlite andVolcanic ash is uniformly mixed into bed mud mixed-matrix by the part by weight of 40%:30%:30%, and get bed mud mixed-matrix and pack ecology bag into,Pile up ecology bag apart from, 1.5 meters, riverbank and form ecological dike, and anchoring, dike face is higher than water surface 70cm. Again by bed mud mixed-matrixFilling is between former riverbank and ecological dike, and then every square meter is planted 1 strain shrubbery willow, 5 strain sedges.
Embodiment 4:
The loke shore that is 3m at water depth, by bed mud and thick component slag and scoria, thin component zeolite is pressed 40%:25%:35% ratio is uniformly mixed into bed mud mixed-matrix, gets bed mud mixed-matrix and packs ecology bag into, piles up raw apart from 1 meter of of loke shoreState bag forms ecological dike, and anchoring, and dike face is higher than water surface 80cm. Again by the filling of bed mud mixed-matrix in former loke shore and ecological dike itBetween, then every square meter is planted 1 strain shrubbery willow, 5 strain sedges.
Claims (2)
1. the method that riverbed sludge is processed on the spot, is characterized in that river or lake Sediment Dredging to be transported to river or loke shore limit, andEvenly mix and form bed mud mixed-matrix in constant weight ratio with thick, thin material component, this bed mud mixed-matrix is filled toCorrosion-resistant, permanent non-degradable, and have in the ecology bag of good water permeability, piling up apart from river or loke shore 1-2 riceThis ecology bag, and utilize anchor pile anchoring to be built into ecological dike, ecological dike face is higher than water surface 50-80cm, at ecological dike and Yuan HeOr between Lake Bank, fill bed mud mixed-matrix, and plantation is efficiently removed pollutant and is had landscaping on bed mud mixed-matrixThe plant of function, plant is scrub plant and herbaceous plant,
Bed mud and thick, thin material component composition bed mud mixed-matrix are by weight proportion:
Roughage component 20%-40%
Thin material component 20%-40%
Bed mud component 40%
Each component sum is 100%;
Described roughage component is slag, scoria, boiler ash sediment, wherein one or more of gravel, with any part by weightMix;
Described thin material component is perlite, zeolite, vermiculite, wherein one or more of volcanic ash, can be with any weightRatio is mixed;
Described thin material component diameter is less than 5mm, and roughage component diameter is greater than 10mm.
2. the method for processing on the spot by a kind of riverbed sludge claimed in claim 1, is characterized in that described scrub plant and grassThis plant is shrubbery willow and sedge, and both planting densities are: shrubbery willow 1 strain/m2, sedge 5 strains/m2。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310727843.7A CN103669282B (en) | 2013-12-26 | 2013-12-26 | A kind of method that riverbed sludge is processed on the spot |
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| CN201310727843.7A CN103669282B (en) | 2013-12-26 | 2013-12-26 | A kind of method that riverbed sludge is processed on the spot |
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| CN103669282A CN103669282A (en) | 2014-03-26 |
| CN103669282B true CN103669282B (en) | 2016-05-11 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119175B (en) * | 2014-08-12 | 2016-05-18 | 许盛英 | The production method of volcanic ash compression Nutrition Soil |
| CN104404917A (en) * | 2014-11-03 | 2015-03-11 | 江苏龙腾工程设计有限公司 | Taihu lake ecological dam revetment construction method |
| CN105648974B (en) * | 2014-12-02 | 2017-12-19 | 中国科学院烟台海岸带研究所 | Desilting in situ, oxygenation and the Scene construction method of a kind of polluted river channel |
| CN104563061B (en) * | 2014-12-26 | 2016-09-07 | 北京东方园林股份有限公司 | A kind of ecological revetment structure and bank protection method |
| CN105442491B (en) * | 2015-11-12 | 2017-07-18 | 东北师范大学 | A kind of riverbed sludge treatment in situ and ecological bank protecting method |
| CN105350489B (en) * | 2015-11-23 | 2017-06-30 | 东北师范大学 | A kind of bank slope construction method of river lake ecological pollution |
| CN105417905B (en) * | 2015-12-08 | 2017-11-17 | 上海水源地建设发展有限公司 | A kind of lake water course in situ process for treating sludge based on underwater lawn modular system |
| CN109024479B (en) * | 2018-07-24 | 2020-08-18 | 上海海洋大学 | Manufacturing process of wetland ecological brick and coastal wetland landform regulation and control method |
| CN110857236A (en) * | 2018-08-15 | 2020-03-03 | 四川达沃斯生态环保科技股份有限公司 | Ecological river lake underwater forest construction method |
| CN111576339B (en) * | 2020-05-12 | 2021-12-21 | 中国城市建设研究院有限公司 | Ecological revetment for strengthening treatment of black and odorous water body by microorganisms |
| CN112715316B (en) * | 2020-12-25 | 2024-02-20 | 中煤浙江生态环境发展有限公司 | Restoring and backfilling planting material and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595791A (en) * | 2008-06-03 | 2009-12-09 | 施民 | A kind of method of utilizing river bottom silt of contaminated river course to rebuild water ecology group |
| FR2954762B1 (en) * | 2009-12-31 | 2012-03-02 | Phytorestore | ORGANIC FILTER PLANT WITH EUROPEAN AND / OR TROPICAL / DESERTICAL CANNES FOR THE TREATMENT OF POLLUTED WATER, SOIL OR AIR |
| CN102776866B (en) * | 2011-05-11 | 2015-03-04 | 同济大学 | Multi-dimensional filler ecological type protected slope construction method suitable for repairing riverways in towns |
| CN102839633A (en) * | 2012-09-24 | 2012-12-26 | 金丹越 | Slope-type ecological embankment |
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Granted publication date: 20160511 Termination date: 20211226 |