CN103981834B - Low discharge river water cleaning and pollution blocking apparatus - Google Patents
Low discharge river water cleaning and pollution blocking apparatus Download PDFInfo
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- CN103981834B CN103981834B CN201410232477.2A CN201410232477A CN103981834B CN 103981834 B CN103981834 B CN 103981834B CN 201410232477 A CN201410232477 A CN 201410232477A CN 103981834 B CN103981834 B CN 103981834B
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Abstract
A kind of low discharge river water cleaning and pollution blocking apparatus, comprising: bank base is ecological bed, the hydrophilic Lang Tai that lies fallow, ecological filter bed and point water rubber dam; Bank base is ecological bed is positioned at two of river on the bank, for ramp type structure, adopt the hydrophilic Lang Tai that lies fallow to separate between the ecological bed and water body of described bank base, the side that the hydrophilic Lang Tai of the ecological bed and described leisure of bank base contacts is provided with filtration beds, is provided with some outfall bottom described leisure hydrophilic corridor platform; The described ecological filter bed water body being arranged in river, by riverain, two ecological filter bed centres are the center in river, and the ecological filter bed center with river is separated by point water rubber dam on permeable barricade and permeable barricade; Ecological filter bedly be divided into two-layer up and down, lower floor is filter material layer, and upper strata is soil horizon; Described ecological filter bed be rectangle or arcuate structure, towards upper river direction opening, to receive the river from upstream.
Description
Technical field
The present invention relates to water environment treatment and River ecological restoration: techniques basin, especially a kind of low discharge river water cleaning and pollution blocking apparatus.
Background technology
The flow in some rivers is less, or there is the situation that discharge is less in the conversion along with season within a period of time, and the rainfall runoff of two sides, farmland water-break and some other effluent discharge cause the accumulation of pollutant in water environment, the degree of contamination in river is constantly increased the weight of, water environment day by day worsens, and human settlement's quality also progressively declines.
The method of existing river improvement mainly contains physical method, chemical method and ecological restoring method, and often kind of method has advantage and strong point, also Shortcomings and defect.
Along with people improve day by day to the understanding of ecological environment; river improvement engineering more and more receives publicity; people start the natural character and the ecological functions that respect and protect river; ensureing under the prerequisite of letting out under security against flood; by the physical feature and the bio-diversity that adopt some complex repairation techniques and methods to recover river; create in the Nature the Waterfront Space being rich in temperament and interest, realize the harmonious development in people and river.
Chinese patent " the muddy water river course remold of low discharge is the structure in the clear water river course of ecoscape " (application number: the river course remold 201220680574.4) disclosing a kind of low discharge is the ecological engineering structure in the clear water river course of ecoscape, comprise the sedimentation basin be arranged on muddy water river course, filtering ponds and clear water river course, by the precipitation to muddy water, filtration, realize river water purification.This patent of invention clean-up effect is obvious, but this patent exists following defect: 1. to the environment change in former river and disturbance comparatively large, destroy ecosystem environment; 2. engineering quantity is larger; 3. the ecosystem is dull; 4. poor with the degrees of coordination of two sides, river view.
Chinese patent " riverway water quality purification and ecosystem restoration adjustable wetland technology " (application number: 200910015968.0) disclose a kind of riverway water quality purification and ecosystem restoration adjustable wetland technology, this technology is the rubber dam that rational height is adjustable in river course, at the upstream planting plants on dam, form artificial swamp, realize river water purification.This patent of invention is easy and simple to handle, Be very effective, but this patent exists following defect: 1. change the flow velocity in river, flow completely, destroys biological original living environment; 2. the downstream water yield of rubber dam is caused to lack, even dry; 3. the ecological environment in rubber dam downstream can worsen further.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome and solve the defect that low discharge river water cleaning exists with the problem and foregoing invention of polluting intercept process, the invention provides a kind of simple to operate, invest less low discharge river water cleaning and pollute intercepting system engineering, can purifying river water, maintenance greenery patches, also can some pollutions be tackled and be purified, do not affect again the normal flood discharge in river, reach simultaneously river, bank harmony, beautify the environment.
The technical solution adopted for the present invention to solve the technical problems is: low discharge river water cleaning of the present invention and pollution blocking apparatus comprise: bank base is ecological bed, the hydrophilic Lang Tai that lies fallow, ecological filter bed, point water rubber dam.
Described bank base is ecological bed be positioned at whole low discharge river water cleaning and pollute the top of intercepting system engineering, river two on the bank, be ramp type structure, and be arranged in parallel with river course, bottom and water body are separated by the hydrophilic Lang Tai that lies fallow; The ecological bed lower floor of bank base is impervious barrier, is to reduce cost, and described impervious barrier can adopt rammed earth, and impervious barrier top is arable layer, and arable layer is mixed by element soil and riverway sludge; The side that the hydrophilic Lang Tai of the ecological bed and described leisure of bank base contacts is provided with filtration beds, and described filtration beds is formed by cobble or rock filling.
The hydrophilic Lang Tai of described leisure is made up of non-fine concrete, be arranged in parallel with river course.
As preferably, between the hydrophilic Lang Tai of described leisure and riverbank, be also provided with some People's Bank of China step, facilitate the management of system and pedestrian to visit walking.
Particularly, the construction that described bank base is ecological bed is implemented as follows:
(1) measure, calculate length, the gradient of bank slope, determine the structure that bank base is ecological bed;
(2)) peel off the topsoil of works area, stripping depth is 0.5 ~ 1.2 meter; Compacting antiseepage is carried out to the bank slope element soil after peeling off;
(3) construction lies fallow hydrophilic Lang Tai, and the height of the hydrophilic Lang Tai of described leisure and width are according to local design of land, and platform stage body bottom, hydrophilic corridor of lying fallow arranges outfall every 1 ~ 2 meter; The design of hydrophilic Lang Tai of lying fallow fully is combined with geographical terrain, beautifies the environment, and can be designed to people and to lie fallow the hydrophilic gallery of taking a walk;
(4) along the ecological bed body of wall bottom filling cobble that contacts of leisure hydrophilic Lang Tai and bank base or rubble, cobble or rubble, as filtration beds, filter the leakage water from the ecological bed body soil of bank base, prevent from blocking the outfall of hydrophilic Lang Tai of lying fallow;
(5) the element soil that filling is peeled off on impervious barrier, the filling thickness of element soil is 0.2 ~ 0.4 meter;
(6) mud in filling river course on plain soil, the filling thickness of mud is 0.1 ~ 0.3 meter;
(7) on mud, cover the element soil of stripping again, the filling thickness of element soil is 0.2 ~ 0.4 meter.
(8) seed selection plant; The plant of the ecological bed seed selection of bank base should meet the following requirements: 1. durability against pollution is strong; 2. adopt Native species, because of soil plantation, suit measures to local conditions; 3. resistance against diseases is strong; 4. be easy to results, be convenient to dispose; 5. well developed root system, cauline leaf is dense; 6. in city to view and admire, want high at the economic use value of suburb and rural area plant.
The described ecological filter bed water body being arranged in river, by riverain, two ecological filter bed centres are the center in river, and the ecological filter bed center with river is separated by point water rubber dam on permeable barricade and permeable barricade; Ecological filter bedly be divided into two-layer up and down, lower floor is filter material layer, and upper strata is soil horizon; Described ecological filter bed be rectangle or arcuate structure, towards upper river direction opening, to receive the river from upstream.
Particularly, described ecological filter bed construction is implemented as follows:
1) measure, calculate the width in river course, determine ecological filter bed position, structure;
2) carry out desilting to river course, the mud cleared out is for building the ecological bed arable layer of bank base;
3) the permeable barricade of construction, height and the width of described permeable barricade design according to river topography, and permeable barricade body of wall arranges drain hole every 1 ~ 2 meter; Described permeable barricade is made up of non-fine concrete;
4) filling cobble or rubble on the bed body between the hydrophilic Lang Tai of leisure and permeable barricade, cobble or rubble are as filter material layer;
5) on permeable barricade, a point water rubber dam is installed;
6) the element soil that filling is peeled off on filter material layer, forms soil horizon, and the filling thickness of element soil is 0.2 ~ 0.4 meter;
7) to choose seeds on soil horizon again plant; According to the depth of water seed selection emergent aquactic plant in ecological filter bed, floatingleaved plant and submerged plant.
Preferably, bank base is ecological bed should synchronously carry out with the ecological filter bed construction in river course, is convenient to desilting and raises the efficiency.
Particularly; water rubber dam is divided to adopt pouched case; be stress frame with high strength synthetic fibre fabric; inside and outside coating rubber makes topping; be processed into high strength adhesive plaster; being fixed on described permeable barricade, by filling row pipeline filling water or gas makes its formation checkdam that expands, utilizing the number of the water of filling or gas to regulate a point height for water rubber dam.
Further, described two ecological filter bed between can build dash platform, dash platform connects together the permeable barricade on both sides, and dash platform is identical with the height of permeable barricade, two points of water rubber dams of both sides can unite two into one, and river is all shunted and flows to the ecological filter bed of both sides; Described dash platform is made up of non-fine concrete.
Preferably, ecological filter bedly can to lay stage by stage according to quality of river water, the section poor in water quality is built, and is fully combined with topography and geomorphology, beautifies the environment.
The invention has the beneficial effects as follows, river from upper river is shunted by a point water rubber dam, river enters ecological filter bed, soil in ecological filter bed, microorganism, plant etc. retain the pollutant in river, adsorb, shift, sorption enhanced, filter through ecological filter bed middle filter material layer, the water after purification enters the center in river again by the drain hole of permeable barricade again; Utilize early-stage rainwater and other sewage on the ecological bed receiving ground of bank base, reach the object to the interception of polluting and purification through the purification that bank base is ecological bed; Ecological filter bed filtered water of also receiving bank base ecological bed, further purifies described filtered water and discharges simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic cross-sectional view of specific embodiments of the invention 1;
Fig. 2 is the top view of specific embodiments of the invention 1;
Fig. 3 is the top view of specific embodiments of the invention 2;
In figure: 1. bank base is ecological bed, 2. lie fallow hydrophilic Lang Tai, 3. ecological filter bed, 4. point water rubber dam, 5. impervious barrier, 6. arable layer, 7. filtration beds, 8. People's Bank of China's step, 9. outfall, the 10. center in river, 11. permeable barricades, 12. filter material layers, 13. soil horizons, 14. dash platforms, 15. drain holes
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of low discharge river water cleaning and pollute blocking apparatus, comprising: bank base is ecological bed 1, the hydrophilic corridor platform 2 that lies fallow, ecological filter bed 3, point water rubber dam 4.
Described bank base ecological bed 1 be positioned at whole low discharge river water cleaning and pollute the top of intercepting system engineering, river two on the bank, be ramp type structure, and be arranged in parallel with river course, bottom and water body are separated by the hydrophilic corridor platform 2 that lies fallow; The lower floor of bank base ecological bed 1 is impervious barrier 5, and for reducing cost, described impervious barrier can adopt rammed earth, and impervious barrier top is arable layer 6, and arable layer 6 is mixed by element soil and riverway sludge; The side that bank base ecological bed 1 contacts with described leisure hydrophilic corridor platform 2 is provided with filtration beds 7, and described filtration beds 7 is formed by cobble or rock filling.
Described leisure hydrophilic corridor platform 2 is made up of non-fine concrete, be arranged in parallel with river course.
As preferably, be also provided with some People's Bank of China step 8 between described leisure hydrophilic corridor platform 2 and riverbank, facilitate the management of system and pedestrian to visit walking.
Described ecological filter bed 3 water bodys being arranged in river, by riverain, be the center 10 in river in the middle of two ecological filter bed 3, ecological filter bed 3 are separated by the water rubber dam 4 that divides on permeable barricade 11 and permeable barricade 11 with the center 10 in river; Ecological filter bed 3 are divided into two-layer up and down, and lower floor is filter material layer 12, and upper strata is soil horizon 13; Described ecological filter bed 3 is rectangle or arcuate structure, towards upper river direction opening, to receive the river from upstream.
Particularly; water rubber dam 4 is divided to adopt pouched case; be stress frame with high strength synthetic fibre fabric; inside and outside coating rubber makes topping; be processed into high strength adhesive plaster; being fixed on permeable barricade 11, by filling row pipeline filling water or gas makes its formation checkdam that expands, utilizing the number of the water of filling or gas to regulate a point height for water rubber dam 4.
Embodiment 2
As shown in Figure 3, as the further improvement of embodiment 1, dash platform 14 can be built between described two ecological filter bed 3, dash platform 14 connects together the permeable barricade 11 on both sides, dash platform 14 is identical with the height of permeable barricade 11, two points of water rubber dams 4 of both sides, river course can unite two into one on dash platform 14, river is all shunted and flows to ecological filter bed 3 of both sides; Described dash platform 14 is made up of non-fine concrete.
Particularly, the construction of above-mentioned bank base ecological bed 1 is implemented as follows:
(1) measure, calculate length, the gradient of bank slope, determine the structure of bank base ecological bed 1;
(2)) peel off the topsoil of works area, stripping depth is 0.5 ~ 1.2 meter; Compacting antiseepage is carried out to the bank slope element soil after peeling off;
(3) construction lies fallow hydrophilic corridor platform 2, and the height of described leisure hydrophilic corridor platform 2 and width are according to local design of land, and platform 2 bottom, hydrophilic corridor of lying fallow arranges outfall 9 every 1 ~ 2 meter; Preferably, the design of the hydrophilic corridor platform 2 that lies fallow fully is combined with geographical terrain, beautifies the environment, can be designed to people lie fallow take a walk hydrophilic gallery;
(4) body of wall bottom filling cobble contact with bank base ecological bed 1 along leisure hydrophilic corridor platform 2 or rubble, cobble or rubble, as filtration beds 7, filter the leakage water from the ecological bed body soil of bank base, prevent blocking to lie fallow the outfall 9 of hydrophilic Lang Tai; Described filtration beds 7 is higher than the outfall 9 of the hydrophilic Lang Tai of leisure;
(5) the element soil that filling is peeled off on impervious barrier 5, the filling thickness of element soil is 0.2 ~ 0.4 meter;
(6) mud in filling river course on plain soil, the filling thickness of mud is 0.1 ~ 0.3 meter;
(7) on mud, cover the element soil of stripping again, the filling thickness of element soil is 0.2 ~ 0.4 meter.
(8) seed selection plant; The plant of ecological bed 1 seed selection of bank base should meet the following requirements: 1. durability against pollution is strong; 2. adopt Native species, because of soil plantation, suit measures to local conditions; 3. resistance against diseases is strong; 4. be easy to results, be convenient to dispose; 5. well developed root system, cauline leaf is dense; 6. in city to view and admire, want high at the economic use value of suburb and rural area plant.
Particularly, the above-mentioned construction of ecological filter bed 3 is implemented as follows:
1) measure, calculate the width in river course, determine the position of ecological filter bed 3, structure;
2) carry out desilting to river course, the mud cleared out is for building the arable layer 6 of bank base ecological bed 1;
3) the permeable barricade 11 of construction, height and the width of described permeable barricade 11 design according to river topography, and the body of wall of permeable barricade 11 arranges some drain holes 15 every 1 ~ 2 meter; Described permeable barricade 11 is made up of non-fine concrete;
4) filling cobble or rubble on the bed body between leisure hydrophilic corridor platform 2 and permeable barricade 11, cobble or rubble are as filter material layer 12;
5) on permeable barricade 11, a point water rubber dam 4 is installed;
6) the element soil that filling is peeled off on filter material layer 12, forms soil horizon 13, and the filling thickness of element soil is 0.2 ~ 0.4 meter;
7) to choose seeds on soil horizon 13 again plant; According to the depth of water seed selection emergent aquactic plant in ecological filter bed 3, floatingleaved plant and submerged plant.
Preferably, the construction of bank base ecological bed 1 and ecological filter bed 3 should synchronously be carried out, and is convenient to desilting, to raise the efficiency.
Preferably, ecological filter bed 3 can lay stage by stage according to quality of river water, and the section poor in water quality is built, and is fully combined with topography and geomorphology, beautifies the environment.
River from upper river is shunted by a point water rubber dam 4, river enters ecological filter bed 3, soil in ecological filter bed 3, microorganism, plant etc. retain the pollutant in river, adsorb, shift, sorption enhanced, filter through ecological filter bed middle filter material layer 12, the water after purification enters the center 10 in river again by the drain hole 15 of permeable barricade 11 again; Utilize bank base ecological bed 1 to receive the early-stage rainwater on ground and other sewage, reach the object of interception to pollutant and purification through the purification of bank base ecological bed 1; Simultaneously ecological filter bed 3 filtered water of also receiving bank base ecological bed 1, further purify described filtered water and discharge.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on manual, must determine its technical scope according to right.
Claims (1)
1. low discharge river water cleaning and pollute a blocking apparatus, is characterized in that: comprise bank base ecological bed (1), the hydrophilic Lang Tai (2) that lies fallow, ecological filter bed (3), point water rubber dam (4);
Described bank base ecological bed (1) be positioned at whole low discharge river water cleaning and pollute the top of blocking apparatus, river two on the bank, be ramp type structure, and be arranged in parallel with river course, bottom and water body are separated by the hydrophilic Lang Tai (2) that lies fallow; The lower floor of bank base ecological bed (1) is impervious barrier (5), and for reducing cost, described impervious barrier adopts rammed earth, and impervious barrier top is arable layer (6), and arable layer (6) is mixed by element soil and riverway sludge; The side that bank base ecological bed (1) contacts with the hydrophilic Lang Tai of described leisure (2) is provided with filtration beds (7), and described filtration beds (7) is formed by cobble or rock filling;
The hydrophilic Lang Tai of described leisure (2) is made up of non-fine concrete, be arranged in parallel with river course;
Described ecological filter bed (3) are arranged in the water body in river, by riverain one side, be the center (10) in river in the middle of two ecological filter bed (3), ecological filter bed (3) are separated by point water rubber dam (4) on permeable barricade (11) and permeable barricade (11) with the center (10) in river; Ecological filter bed (3) are divided into two-layer up and down, and lower floor is filter material layer (12), and upper strata is soil horizon (13); Described ecological filter bed (3) are rectangle or arcuate structure, towards upper river direction opening, to receive the river from upstream;
Described point of water rubber dam (4) is pouched case, be stress frame with high strength synthetic fibre fabric, inside and outside coating rubber makes topping, be processed into high strength adhesive plaster, be fixed on permeable barricade (11), by filling row pipeline filling water or gas makes its formation checkdam that expands, the number of the water of filling or gas is utilized to regulate a point height for water rubber dam (4);
The construction of described bank base ecological bed (1) is implemented as follows:
(i) measure, calculate the length of bank slope, the gradient, determine the structure of bank base ecological bed (1);
(ii) peel off the topsoil of works area, stripping depth is 0.5 ~ 1.2 meter; Compacting antiseepage is carried out to the bank slope element soil after peeling off;
(iii) construction lies fallow hydrophilic Lang Tai (2), and the height of the hydrophilic Lang Tai of described leisure (2) and width are according to local design of land, and hydrophilic Lang Tai (2) bottom of lying fallow arranges outfall (9) every 1 ~ 2 meter; The design of hydrophilic Lang Tai (2) of lying fallow fully is combined with geographical terrain, beautifies the environment, and is designed to people and lies fallow the hydrophilic gallery of taking a walk;
(iv) along leisure hydrophilic Lang Tai (2) ecological bed with bank base (1) the body of wall bottom filling cobble that contacts or rubble, cobble or rubble are as filtration beds (7), filter the leakage water from the ecological bed body soil of bank base, described filtration beds (7), higher than the outfall (9) of the hydrophilic Lang Tai of leisure, prevents the outfall (9) blocking the hydrophilic Lang Tai of leisure;
(v) at the element soil that the upper filling of impervious barrier (5) is peeled off, the filling thickness of element soil is 0.2 ~ 0.4 meter;
(vi) the mud in filling river course on plain soil, the filling thickness of mud is 0.1 ~ 0.3 meter;
(vii) on mud, cover the element soil of stripping again, the filling thickness of element soil is 0.2 ~ 0.4 meter;
(viii) to choose seeds plant; The plant that bank base ecological bed (1) is chosen seeds should meet the following requirements: 1. durability against pollution is strong; 2. adopt Native species, because of soil plantation, suit measures to local conditions; 3. resistance against diseases is strong; 4. be easy to results, be convenient to dispose; 5. well developed root system, cauline leaf is dense; 6. in city to view and admire, want high at the economic use value of suburb and rural area plant;
The construction of described ecological filter bed (3) is implemented as follows:
1) measure, calculate the width in river course, determine the position of ecological filter bed (3), structure;
2) carry out desilting to river course, the mud cleared out is for building the arable layer (6) of bank base ecological bed (1);
3) the permeable barricade of construction (11), height and the width of described permeable barricade (11) design according to river topography, and the body of wall of permeable barricade (11) arranges some drain holes (15) every 1 ~ 2 meter; Described permeable barricade (11) is made up of non-fine concrete;
4) filling cobble or rubble on the bed body between the hydrophilic Lang Tai of leisure (2) and permeable barricade (11), cobble or rubble are as filter material layer (12);
5) a water rubber dam (4) is divided upper installation of permeable barricade (11);
6) at the element soil that the upper filling of filter material layer (12) is peeled off, form soil horizon (13), the filling thickness of element soil is 0.2 ~ 0.4 meter;
7) to choose seeds on soil horizon (13) again plant; According to the depth of water seed selection emergent aquactic plant in ecological filter bed (3), floatingleaved plant and submerged plant.
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| CN201410232477.2A CN103981834B (en) | 2014-05-28 | 2014-05-28 | Low discharge river water cleaning and pollution blocking apparatus |
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| CN201410232477.2A CN103981834B (en) | 2014-05-28 | 2014-05-28 | Low discharge river water cleaning and pollution blocking apparatus |
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| CN103981834B true CN103981834B (en) | 2016-01-20 |
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