CN202465392U - Water-quality-purifying desilting strip canal - Google Patents
Water-quality-purifying desilting strip canal Download PDFInfo
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- CN202465392U CN202465392U CN2011205693802U CN201120569380U CN202465392U CN 202465392 U CN202465392 U CN 202465392U CN 2011205693802 U CN2011205693802 U CN 2011205693802U CN 201120569380 U CN201120569380 U CN 201120569380U CN 202465392 U CN202465392 U CN 202465392U
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Abstract
The utility model discloses a water-quality-purifying desilting strip canal.. A plant growing region (21) which is used for purifying water quality is arranged in the water-quality-purifying desilting strip canal (2). As the plant growing region (21) is arranged in the conventional water-quality-purifying desilting strip canal, growing matrix and environment are provided for the plant by sedimentation of the sand in rivers. Thereby, the varieties of the plants are diversified. During the desilting of the water-quality-purifying desilting strip canal (2), the impurities in rivers can be more effectively purified.
Description
Technical field
The utility model relates to the purification of water quality field, particularly, relates to a kind of purification of water quality desilting bar canal.
Background technology
Along with the scarcity day by day of water resources, especially in order to satisfy the water resources worsening shortages of daily productive life, the scheme of quoting and purify the water resources in the river in recent years is more and more.Yet because the water in the river is being mingled with a large amount of silts and pollutent usually, the work of processing being quoted water brings very big difficulty.With the Yellow River is example, and the dirty Shandong section in the Yellow River is faced with serious day by day shortage of water resources and water quality deterioration problem, therefore variously draws yellow engineering and becomes the important channel that obtains water resources.Yet; Along with the downstream, the Yellow River are come the water yield and constantly reduced, contained quantity of sand and mud is big and the problem of the discharging of upper reaches pollutent constantly increases; Brought huge pressure and challenge for utilizing Huanghe water to purify, pressed for a kind of scheme that can improve the source quality that draws the yellow water storehouse from the source as the water factory at water source.It is still few at present source quality to be improved systematic research, and complete technical scheme does not form.
In existing scheme; Still with the Huanghe valley example; Drawing the yellow water storehouse is the storing facilities of water that area, downstream, the Yellow River is built in order to tackle the Yellow River cutout; And the desilting that at present mainly carries out water quality through desilting bar canal filters, and guaranteeing to draw the warehouse-in water quality in yellow water storehouse, thereby desilting bar canal is to be the important building of the Wall in Plain Reservoir of resource of water supply with the Yellow River.This desilting bar canal is the wide shallow Tu Qu that utilizes natural depression, beach to build up, and it is just heavy that the silt among the Lai Shui of the Yellow River is carried out, but be difficult to reach the library standard of going into that draws the yellow water storehouse through just heavy river, and still the purifying treatment to follow-up river has caused very big difficulty.
Therefore, provide a kind of scheme that can carry out purification of water quality to the river in river to have positive effect.
The utility model content
The purpose of the utility model provides a kind of purification of water quality desilting bar canal, and this purification of water quality desilting bar canal can be simulated the wetland environment, thereby realizes the purification of water quality of river.
To achieve these goals, the utility model provides a kind of purification of water quality desilting bar canal, is provided with the plant growing district that purifies water in the said purification of water quality desilting bar canal.
Preferably, said plant growing district is the terraced fields structure.
Preferably, be provided with sedimentation basin in the said purification of water quality desilting bar canal, this sedimentation basin is positioned at the upper reaches in said plant growing district.
Preferably, be provided with the retaining dam with earial drainage function in the said purification of water quality desilting bar canal, this retaining dam is positioned at the downstream in said plant growing district.
Preferably, said retaining dam comprises pile foundation and is fixed on the dam body on this pile foundation, is coated with waterproof layer on the surface of this dam body.
Preferably, said pile foundation comprises many piles of quincuncial arrangement, and these many piles embed in the corresponding stratum.
Preferably, said dam body set inside has rubble trinity mixture fill filler, and said dam body is provided with leak conduit.
Preferably, the ingress of said purification of water quality desilting bar canal forms the river bend structure that makes flow direction-changing.
Preferably, the ingress of said purification of water quality desilting bar canal is provided with gabion.
Preferably, said purification of water quality desilting bar canal comprises main canal and secondary canal, and said plant growing district is arranged on the said main canal.
Preferably, be provided with the original position dephosphorization apparatus in the said purification of water quality desilting bar canal, this original position dephosphorization apparatus comprises perforated pipe, is formed with a plurality of perforation on the tube wall of this perforated pipe, the lower end closed of this perforated pipe, and in this perforated pipe, be filled with the phosphorus sorbing material.
Preferably, the lower end of said perforated pipe is formed with fixed part.
Preferably, the lower end of said fixed part forms the annular sharp edges.
Preferably, be provided with plug in the lower end of said perforated pipe to seal this lower end.
Preferably, the upper end of said perforated pipe is provided with capping.
Pass through technique scheme; Owing in purification of water quality desilting bar canal, the plant growing district is set; Promptly can be plant through rational silt lodging growth matrix and environment are provided; Thereby make the diversification of varieties of plant, in the desilting effect of purification of water quality desilting bar canal itself, can carry out more effective purification the impurity in the river.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification sheets, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the water quality ecological purification system that provides of the utility model;
Fig. 2 is the schematic cross-section of the retaining dam that provides of the utility model.
Fig. 3 is the skiagraph according to the original position dephosphorization apparatus of a kind of embodiment of the utility model;
Fig. 4 is the cross-sectional view of original position dephosphorization apparatus among Fig. 3.
Description of reference numerals
1 river, 2 purification of water quality desilting bar canals
3 reservoirs, 4 ecosystem floral regions
5 rubbles and concrete layer 6 original position dephosphorization apparatus
11 main canal 12 secondary canals
21 plant growing districts, 22 sedimentation basins
23 retaining dams, 24 pile foundations
25 dam bodys, 26 waterproof layers
28 of 27 leak conduits
29 rubble trinity mixture fill fillers
61 perforated pipes, 62 phosphorus sorbing materials
63 fixed parts, 64 plugs
65 cappings, 611 perforation
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, not do under the situation of opposite explanation, the noun of locality of use normally is that the basis defines with Fig. 2 like " upper and lower, left and right ", these nouns of locality only are used for the utility model, are not limited to the utility model.
In the utility model, can not make river in order to overcome existing desilting bar canal, especially the water quality of the Yellow River meets the problem of the standard that gets into reservoir, need be to rebuilding a kind of system that can on the basis of desilting, carry out further purification of water quality.For this reason, the applicant finds another kind ofly in the existing scheme to carry out the scheme of the water quality ecological purification of river through wetland technology, can further purify river.Yet general natural wetland exists and is difficult to utilize the problem that treatment effect is not good.And to wetland technology itself; Mainly there are two kinds of forms of artificial wet land system and natural wetland at present; Wherein, Artificial wet land system need be built retaining and parallel works through manual work, and artificial filling filler and the complicated constructions such as water inlet, water distribution and water outlet collection facility that make up complicacy, natural wetland are then for utilizing the form of physiographic relief and vegetation.The former is difficult to load because cost is higher for the water inlet of big flow, and another kind of natural wetland then exists and is difficult to utilize the problem that treatment effect is not good.Therefore; How on the basis of desilting, to make up nearly natural wetland with higher water quality ecological purification effect; Be the main direction of studying of the utility model, this nearly natural wetland can carry out purification of water quality to river, for example the Yellow River, so that river meets into library standard.For this reason, the utility model provides a kind of purification of water quality desilting bar canal that can purify water and a kind of water quality ecological purification system that uses this purification of water quality desilting bar canal.
Therefore; As shown in Figure 1; The utility model provides a kind of water quality ecological purification system; Wherein, this water quality ecological purification system comprises purification of water quality desilting bar canal 2 that joins with river 1 and the reservoir 3 that joins with this purification of water quality desilting bar canal 2, is provided with the plant growing district 21 that purifies water in the purification of water quality desilting bar canal 2.
In technique scheme, be different from purification of water quality desilting bar canal of the prior art and wetland technology, the utility model organically combines the two, promptly in purification of water quality desilting bar canal 2, plant growing district 21 is set.Therefore, after the river in the river 1 got into the purification of water quality desilting bar canal 2 that joins with it, the silt in the river can precipitate; And these sedimentary silts exactly can be used as the plant production matrix in plant growing district; Thereby for the growth of plant provides growing environment, so the plant in plant growing district 21 can be diversified, in conjunction with the original vegetation in the purification of water quality desilting bar canal 2; Can in purification of water quality desilting bar canal 2, make up the nearly natural wetland that constitutes by various plants; Thereby make the various plants of plantation to carry out purification further, make it to meet fully the library standard of going into that gets into reservoir 3, for the water conditioning in later stage provides powerful guarantee to river.Especially the zone of middle and lower reaches lack of water is more suitable in the Yellow River, and is practical.
Need to prove; The embodiment that can accomplish technique scheme has multiple; Therefore the for example kind selection of the structure in the set-up mode of purification of water quality desilting bar canal, plant growing district and plant etc. explains the utility model, for ease in this introduction preferred implementation wherein; This preferred implementation only is used to explain the utility model, is not limited to the utility model.
In the preferred implementation of the utility model, the plant growing district is impacted when getting into purification of water quality desilting bar canal at the river in river, and plant is caused unfavorable.Preferably, purification of water quality desilting bar canal 2 forms the river bend structure 13 that makes flow direction-changing with the joint (being the ingress) in river 1.Be that current in the river 1 turn to through the river bend structure 13 that is provided with when getting into purification of water quality desilting bar canal 2, therefore can effectively subdue the energy of flow of current.In addition also preferably, be provided with gabion in the joint (being the ingress) in purification of water quality desilting bar canal 2 and river 1.Also can further alleviate the energy of flow of current through this gabion, wherein gabion is an energy dissipating object common in this area, can be wrapped up modes such as stone material by wire rod and obtain.In addition; In the preferred implementation of the utility model; In order to make full use of the original ecological vegetable in the purification of water quality desilting bar canal 2, and conveniently be plant growing district 21 water distributions, preferably; The utility model provides purification of water quality desilting bar canal 2 to comprise main canal 11 and secondary canal 12, and the plant growing district is arranged on the main canal 11.The river that promptly gets into purification of water quality desilting bar canal 2 is divided into two strands; The river that gets into main canal 11 will get into plant growing district 21 and purify; Then be mainly ecosystem floral region 4 in the secondary canal 12; River purifies through original ecological vegetable district 4, converges in the reservoir 3 of going forward side by side after the purification respectively of river through main canal 11 and 12.Wherein main canal 11 and secondary canal 12 can be separated through modes such as earth dams according to the actual distribution situation of ecosystem plant; Therefore; Not only can make full use of original ecological vegetable but also can be through being main canal 11 and secondary canal 12 water distributions; Realize the optimization water distribution in plant growing district 21, make the plant growth environment in plant growing district more approach natural wetland, to guarantee the purification of current.Simultaneously, secondary canal 12 can avoid abominable water quality that the plantation plants in the main canal 11 are caused damage as the overflow ducts of water inlet under water quality deterioration or winter freezing condition.Therefore through energy dissipating and water distribution manner above-mentioned or that other those skilled in the art can expect, can effectively reduce the impact of river, make that the effect of the plant purification water quality in the plant growing district 21 is better the plant in plant growing district.
In addition; In the preferred implementation of the utility model,, at first need carry out the area at purification of water quality desilting bar canal 2 places is surveyed and subregion in order effectively to utilize the landform and the space at purification of water quality desilting bar canal 2 places; Promptly the present situation elevation of purification of water quality desilting bar canal 2 is reconnoitred measurement; And the plant growing district 21 of definite suitable growth plant, and preferably, plant growing district 21 is set to the terraced fields structure.Be the terraced fields structure through plant growing district 21 is set, the finite space that can make full use of purification of water quality desilting bar canal is planted various plant of trying one's best, and is beneficial to the landform arrangement and eradicates cogongrass, can also make full use of existing vegetation and strengthen landscape effect.Particularly, this terraced fields structure can be carried out layout according to concrete physical features, and concrete layout type is conventionally known to one of skill in the art, does not do too much at this and gives unnecessary details.
Get back in the plant growing district,, need the flora kind of purification of water quality desilting bar canal be rebuild in order farthest to carry out purification of water quality through plant.At first need eradicate the work of cogongrass.This be because; Cogongrass is except that reed, the maximum original plant of growth population in purification of water quality desilting bar canal 2, but it is not only little to the purification of water quality effect; But also will rob the nutritive substance of other waterplant, it is unfavorable that the growth of other plant is caused.In the elimination process of cogongrass,, the removal of cogongrass is handled and must be handled until its root because vitality is extremely vigorous.Wherein preferably, earlier the over-ground part of cogongrass is smashed with machinery, the degree of depth is turned over again, rotary tillage more than twice after the airing, and carry out manual work and pick up the work except that grass roots, carry out the at utmost elimination of cogongrass with this.
After the work of eradicating cogongrass, need make good use of large-area reed, the cattail of original primordial condition in the purification of water quality desilting bar canal 2, and, utilize ecological principle in plant growing district 21, plan again and adjust, realize floristic reinforcement.Wherein, need the suitable waterplant kind of plantation,, thereby bring purification function and ecological buffer strip function polluted water with the biocenological composition of realization variety.Take all factors into consideration effects of purification quality, ecological habit, the growth condition of plant and view and admire characteristic; Select to introduce multiple plant with purification of water quality advantage in the plant growing district; For example: very cattail, reed, Rhizoma Acori Calami, Arundo donax, power flower, Scirpus tabernaemontani, Hai Shouhua, arrowhead, Spiked Loosestrife, wild rice stem, yellow flag, lotus, water lily, Wildcelery Herb, Chinese silvergrass etc. again; Wherein preferably; These plant layouts need be followed the principle of the required growth depth of water of different plants, present situation landform and beautification of landscape, and keep suitable planting density.
Wherein, The above-mentioned plant in plant growing district 21 is can be the waterplant of silt growth; And important ground, the root system of these waterplant can adapt to the silt variation in thickness that causes owing to the continuous desilting of river, therefore can guarantee the sustainable growth of these plants.Above-mentioned plant growing process solved on muddy ground, how to eradicate cogongrass, and it is uneven to overcome desilting ground, the problem of the soft grade of soil layer construction.
In the preferred implementation of the utility model, in order further to optimize purification of water quality work, preferably, be provided with sedimentation basin 22 in the purification of water quality desilting bar canal 2, this sedimentation basin 22 is positioned at the upper reaches in plant growing district 21.This sedimentation basin 22 is arranged on the entrance of purification of water quality desilting bar canal 2 usually; To prevent in the river; Especially in the alluvial of the silt excess in the Yellow River plant growing district 21, promptly through sedimentation basin 22, the current of river are before flowing into plant growing district 21; Carry out the first heavy of reduction of speed and silt earlier at sedimentation basin 22 places, make river reduce to minimum the influence in plant growing district 21.In addition, in the dry season, the water yield of accumulating in the sedimentation basin can also be as the deposit water, to keep the basic growth of waterplant.Wherein those skilled in the art can carry out various designs and structure to sedimentation basin 22 according to the situation such as concrete physical features of purification of water quality desilting bar canal 2, as long as can realize the utility model, the utility model does not limit its particular location, structure and quantity etc.
Except that sedimentation basin 22, for the environment that further makes plant growing district 21 near natural wetland, preferably, be provided with retaining dam 23 in the purification of water quality desilting bar canal 2 with earial drainage function, this retaining dam 23 is positioned at the downstream in plant growing district 21.Through the earial drainage function of this retaining dam 23, can regulate the water level in the plant growing district 21 that is positioned at its upper reaches, thereby increase contacting of current and plant through the adjustment water level, and at the change of season, the righttest water level of adjustment acquisition plant.Make the growth of plant obtain the most effectively guaranteeing.Wherein, this retaining dam 23 can carry out regulation of level through modes such as sandbag, discharge orifices.Wherein, the retaining dam 23 that the utility model provides has numerous embodiments, as long as can accomplish the purpose of the utility model, the utility model does not limit the structure and the form of this retaining dam 23.
In the preferred implementation of the utility model, according to topographical condition, preferably, retaining dam 23 is arranged on the place of bringing together mouthful of active cross-section, i.e. the less zone of river end face so that retaining dam 23 most convenient is set, cost is minimum.In addition, for the impact that makes retaining dam 23 can bear current, as shown in Figure 2; Preferably, this retaining dam 23 comprises pile foundation 24 and is fixed on the dam body 25 on this pile foundation 24, wherein in order to solve the construction of in the soft base of purification of water quality desilting bar canal 2, carrying out dam; And guarantee the firm of dam body 25; More preferably, pile foundation 24 comprises many piles 28 of quincuncial arrangement, and these many piles 28 embed in the corresponding stratum.The material of wherein many piles 28 can be any material known in those skilled in the art, for example timber, piling bar or concrete-pile etc., and in the preferred implementation of the utility model, can select timber in order to practice thrift cost.Be not quincuncial arrangement though show many piles 8 in addition among Fig. 2, those skilled in the art can expect other embodiments, do not do too much at this and give unnecessary details.Owing to embed in the corresponding stratum with many piles 8, can effectively solve the saturated yielding problem of dam body 25 in purification of water quality desilting bar canal 2, make that the practicality of retaining dam 23 is stronger.
In addition,, need effectively reduce the leakage problems of dam body 25, therefore preferably, be coated with waterproof layer 26 on the surface of the dam body 25 of retaining dam 23 because retaining dam 23 mainly plays the effect of regulation of level.Common water-proof material in this area such as geotextile for example.Through water-proof material 26 is set, efficiently solve the leakage problems of dam body 25 on the surface of dam body 25.In addition, in order to guarantee the firm and earial drainage work of dam body, preferably, dam body 25 set inside have rubble trinity mixture fill filler 29, and dam body 25 is provided with leak conduit 27.
Particularly; In the practice of construction of retaining dam 23; Consider the stability of the retaining dam of on the soft sandy soil of the soil layer construction of purification of water quality desilting bar canal 2, constructing 23; Imbed more than the stratum certain depth (for example 4m) with the quincuncial arrangement pressure with the stakes such as many timbers of certain diameter after can being employed in excavating foundation trench, to guarantee the bearing capacity of basic unit; And successively pave rubble and concrete layer 5 above that, and select the filler of rubble trinity mixture fill for use as dam body 25.And in order to guarantee the dash performance of dam body, prevent water to wash away to dam body and collapse, can adopt materials such as laying the water-repellancy geotextile and lay certain thickness sheet stone on the surface.In addition, the work of water level of regulating plant growing district 21 is then through being located at the dam body middle part, and the switching with two bellows (current by pass 27) of certain diameter realizes.The concrete constructional method of above-mentioned dam body all has various deformation, as long as can realize the purpose of the utility model, those skilled in the art all drop in the protection domain of the utility model the various deformation design of retaining dam 23.
In addition, in order further to solve the high problem of phosphorus content in the water body, like Fig. 3 and shown in Figure 4; According to a kind of embodiment of the utility model, preferably, be provided with original position dephosphorization apparatus 6 in the purification of water quality desilting bar canal 2; This original position dephosphorization apparatus comprises perforated pipe 61; Be formed with a plurality of perforation 611 on the tube wall of this perforated pipe 61, the lower end closed of this perforated pipe 61, and in this perforated pipe 61, be filled with phosphorus sorbing material 62.In addition, this original position dephosphorization apparatus 6 preferably is arranged on the exit, to fall other impurity in the river to the interference of original position dephosphorization apparatus 6.
Above-mentioned original position dephosphorization apparatus 6 mainly comprises perforated pipe 61 and the phosphorus sorbing material 62 that is loaded in the perforated pipe 61, and it can be applied to for example environment such as artificial swamp, river and channel.With purification of water quality desilting bar canal 2 is example; In use; Original position dephosphorization apparatus 6 is arranged in the exit of purification of water quality desilting bar canal 2; Water can get in the perforated pipe 61 through the perforation on the perforated pipe 61 611 and contact with phosphorus sorbing material 62, makes that the phosphoric in the water is adsorbed by phosphorus sorbing material 62, thereby realizes the purpose of dephosphorization.Because phosphorus sorbing material 62 is focused in the perforated pipe 61, phosphorus sorbing material 62 can not get in the matrix of desilting bar canal, thus the disadvantageous effect of having avoided the root system of plant in 62 pairs of wetlands of phosphorus sorbing material to cause.In addition, use after for some time, when the phosphorus adsorptive capacity of the phosphorus sorbing material 62 in the perforated pipe 61 reaches capacity; Can be through the original position dephosphorization apparatus that more renews; Again recover the phosphorus removal functional of water body, and in the replacing process, can not have a negative impact purification of water quality desilting bar canal 2.In addition,, can also recover its phosphorus removal functional again, so that recycling through phosphorus sorbing material 62 is carried out proper process for the original position dephosphorization apparatus 6 that changes.Therefore, simple in structure, the easy construction of the original position dephosphorization apparatus that provides of the utility model, with low cost, phosphor-removing effect good and can not cause disadvantageous effect to environment.
Preferably, the lower end of said perforated pipe 61 is formed with fixed part 63, is convenient to be fixed in the water body, for example in the wetland matrix of purification of water quality desilting bar canal 2.As a kind of embodiment, the lower end of said fixed part 63 forms the annular sharp edges, thereby can easily insert and be fixed in the matrix.
The lower end closed of perforated pipe 61 is so that remain on phosphorus sorbing material 62 in the perforated pipe 61.The lower end of perforated pipe 61 can be integrally formed as closedend, perhaps seals through other members.For the ease of making and processing, preferably, be provided with plug 64 in the lower end of said perforated pipe 61 to seal this lower end.
In addition, as required, upper end that can also said again perforated pipe 61 is provided with capping 65.That is, after being loaded into phosphorus sorbing material 62 in the perforated pipe 61, through the upper end of capping 65 sealing perforated pipes 61, thereby in the conveying and use of perforated pipe 61, phosphorus sorbing material 62 can not spill from perforated pipe 61.
The aperture of the perforation 611 on the perforated pipe 61 is preferably the 2-5 millimeter, thereby can prevent that phosphorus sorbing material 2 from revealing 11 from boring a hole, and water can pass in and out perforation 611 smoothly simultaneously, and is not easy relatively to stop up.In addition, the percentage of open area of perforation 611 is preferably 20%～50% on the perforated pipe 61.Percentage of open area is meant the ratio between the area of perforation 611 area sum and perforated pipe 61 outer surfaces.Perforated pipe 61 can adopt any suitable material to make, for example stainless steel or PVC (major ingredient is a SE) etc.As required, perforated pipe 1 can be preferably round tube for round tube, rectangular tube etc.
Therefore, after the purification through plant growing district 21, can also pass through the purification of original position dephosphorization apparatus 6 at river, make river before getting into reservoir 3, its water quality can further promote.
To sum up; The nearly natural wetland that the utility model has been realized in for example drawing the desilting bar canal of yellow operation, carrying out is strengthened the breakthrough of desilting, regulation of level and plants configuration method; Through the control of landform, water level, according to the heavy water of bar canal environmental compatibility reasonable Arrangement, variety coenosiss such as water, humidogene very, on the high efficiency desilting of purification of water quality desilting bar canal basis; The function of its water correction is strengthened in the for example ecological purification operation of plant.The utlity model has workable; Maintenance cost is low; The characteristics that effects of purification quality is good, and can make full use of the characteristics of the existing structures such as desilting bar canal that for example draw the yellow water storehouse, for source quality before improving warehouse-in has been explored a practicable road.The water quality that the water quality ecological purification system purified that provides through the utility model can reach requirements such as total tp removal rate, nitrogen removal rate of reservoir warehouse-in fully, and turbidity effectively reduces.Be applicable to the purification of water quality in rivers such as the Yellow River for example fully, have strong practicality and promotional value.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (15)
1. a purification of water quality desilting bar canal is characterized in that, is provided with the plant growing district (21) that purifies water in the said purification of water quality desilting bar canal (2).
2. purification of water quality desilting bar canal according to claim 1 is characterized in that said plant growing district (21) is the terraced fields structure.
3. purification of water quality desilting bar canal according to claim 1 is characterized in that be provided with sedimentation basin (22) in the said purification of water quality desilting bar canal (2), this sedimentation basin (22) is positioned at the upper reaches in said plant growing district (21).
4. according to claim 1 or 3 described purification of water quality desilting bar canals, it is characterized in that be provided with the retaining dam (23) with earial drainage function in the said purification of water quality desilting bar canal (2), this retaining dam (23) is positioned at the downstream in said plant growing district (21).
5. purification of water quality desilting bar canal according to claim 4 is characterized in that, said retaining dam comprises pile foundation (24) and is fixed on the dam body (25) on this pile foundation (24), is coated with waterproof layer (26) on the surface of this dam body (25).
6. purification of water quality desilting bar canal according to claim 5 is characterized in that said pile foundation (24) comprises many piles (28) of quincuncial arrangement, and these many piles (28) embed in the corresponding stratum.
7. purification of water quality desilting bar canal according to claim 5 is characterized in that said dam body (25) set inside has rubble trinity mixture fill filler (29), and said dam body (25) is provided with leak conduit (27).
8. purification of water quality desilting bar canal according to claim 1 is characterized in that the ingress of said purification of water quality desilting bar canal (2) forms the river bend structure (13) that makes flow direction-changing.
9. according to claim 1 or 8 described purification of water quality desilting bar canals, it is characterized in that the ingress of said purification of water quality desilting bar canal is provided with gabion.
10. purification of water quality desilting bar canal according to claim 1 is characterized in that said purification of water quality desilting bar canal (2) comprises main canal (11) and secondary canal (12), and said plant growing district is arranged on the said main canal (11).
11. purification of water quality desilting bar canal according to claim 1; It is characterized in that; Be provided with original position dephosphorization apparatus (6) in the said purification of water quality desilting bar canal (2), this original position dephosphorization apparatus (6) comprises perforated pipe (61), is formed with a plurality of perforation (611) on the tube wall of this perforated pipe (61); The lower end closed of this perforated pipe (61), and in this perforated pipe (61), be filled with phosphorus sorbing material (62).
12. purification of water quality desilting bar canal according to claim 11 is characterized in that the lower end of said perforated pipe (61) is formed with fixed part (63).
13. purification of water quality desilting bar canal according to claim 12 is characterized in that the lower end of said fixed part (63) forms the annular sharp edges.
14. purification of water quality desilting bar canal according to claim 11 is characterized in that, is provided with plug (64) to seal this lower end in the lower end of said perforated pipe (61).
15. purification of water quality desilting bar canal according to claim 11 is characterized in that the upper end of said perforated pipe (61) is provided with capping (65).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990319A (en) * | 2014-06-09 | 2014-08-20 | 陈林 | Treatment method for water with high sediment content for micro-irrigation |
| CN104452654A (en) * | 2014-11-17 | 2015-03-25 | 中国水利水电科学研究院 | Irrigation terraced field design with ecological idea |
| CN106396110A (en) * | 2016-06-01 | 2017-02-15 | 上海交通大学 | Method for improving capability of hardened ditch in removing nitrogen-phosphorus contaminations in tail water of farmland |
-
2011
- 2011-12-30 CN CN2011205693802U patent/CN202465392U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990319A (en) * | 2014-06-09 | 2014-08-20 | 陈林 | Treatment method for water with high sediment content for micro-irrigation |
| CN104452654A (en) * | 2014-11-17 | 2015-03-25 | 中国水利水电科学研究院 | Irrigation terraced field design with ecological idea |
| CN104452654B (en) * | 2014-11-17 | 2018-08-24 | 中国水利水电科学研究院 | A kind of irrigation terraced fields method for arranging under Ecological Concept |
| CN106396110A (en) * | 2016-06-01 | 2017-02-15 | 上海交通大学 | Method for improving capability of hardened ditch in removing nitrogen-phosphorus contaminations in tail water of farmland |
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