CN105800792A - Water body restoration method - Google Patents

Water body restoration method Download PDF

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Publication number
CN105800792A
CN105800792A CN201610369803.3A CN201610369803A CN105800792A CN 105800792 A CN105800792 A CN 105800792A CN 201610369803 A CN201610369803 A CN 201610369803A CN 105800792 A CN105800792 A CN 105800792A
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China
Prior art keywords
water
repaired
plant
bed mud
plantation
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CN201610369803.3A
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CN105800792B (en
Inventor
彭俊杰
王海兰
钟永瑞
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Environmental Science Institute Of Huizhou
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Environmental Science Institute Of Huizhou
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention relates to a water body restoration method.The method comprises the steps of removing at least part of floating plants in the to-be-restored water body; obtaining bottom mud from a to-be-planted area of the to-be-restored water body; mixing the obtained bottom mud with outside soil; utilizing the mixture of the bottom mud and the outside soil to manufacture an aquatic plant planting block; and planting the planting block into the to-be-restored water body.According to the water body restoration method, since operations can be performed over the water, lake water does not need to be pumped or drained during planting, manpower and electric power are saved, the labor intensity is reduced, and the engineering investment is saved.Moreover, since the mixture for planting aquatic plants comprises the bottom mud in the to-be-restored water body, on one hand, secondary pollution to the water body caused by outside planting soil or nutrition can be reduced, and on the other hand, the risk of water surface elevation of the to-be-restored water body can be reduced.

Description

Water remediation method
Technical field
The present invention relates to field of Environment Protection, particularly relate to the restorative procedure of a kind of water body.
Background technology
Along with the quickening of socioeconomic high speed development and Development of China's Urbanization, city and part rural area water body are subject to certain pollution, there is severe or lightly eutrophicated in Some Lakes, river, deteriorating water quality, landscape destruction, lose original ecological environment function.In recent years, the large-area water body of China needs to carry out controlling polluter, repairing the Water Environmental Synthesis Dredge that ecosystem is major measure.Repair contaminated water body with ecological technique, it is adaptable to the large-scale waste water control of China's river,lake and reservior, and the plantation of water plant is the most important link building river,lake and reservior ecosystem.
Growth pattern according to water plant, is generally classified as following several big class: emergent aquactic plant, floatingleaved plant, submerged plant and fluitante.
Water plant be grown in purification of water quality to play critical effect: 1) absorb the nitrogen in water body, phosphorus etc. and cause pollutant and other nutritive salt of eutrophication, eliminate and pollute, purify water;2), when water plant carries out photosynthesis, absorb the carbon dioxide in environment, release oxygen, increase the dissolved oxygen in water;3) pollutants in sediments can be absorbed, change bed mud physicochemical environment, stablize substrate, it is prevented that endogenous pollution spreads further;4) fine suspension in absorption water, slows down bed mud disturbance, it is suppressed that algae breaks out, improves water transparency;5) provide good attachment habitat for the absorption of various different microorganisms and metabolism, provide enough decomposers for the pollutant in water;6) as primary producer, the food of Fish or other aquatic animals is become;7) water plant is one of important material building water scenery, possesses aesthetic value, can improve ecological environment landscape;8) part water plant can be gathered in and be utilized, and produces new added value;9) aquatic cover plant is planted in land and water boundary part, the kink power that its flourishing root system is stronger, can reduce rainwash, it is prevented that water is to the erosion of side slope and washes away, and reduces soil erosion;10) aquatic vegetation be hydrophilic aquatic bird, insecticide and other wild animals food source is provided.Water plant makes water body become the ecosystem of the benign ecological cycles with vitality, thus maintaining the bio-diversity of water ecological environment.
At present, domestic in the restoration of the ecosystem carrying out shallow water type lake, river or landscape water body works, it is common that first upland water to be intercepted or drain, it would be desirable to the water of the lake region or river of carrying out restoration of the ecosystem drains, or is drained by water with pump, clear up lakebed or river bed.Water plant of planting generally adopts following three kinds of methods: one is that workman joins manual slotting kind of the water plant of band in lakebed, river bed or land and water, particularly plants and has the pioneer of fast-growth advantage;Two is join band to build, in lakebed, river bed or land and water, groove of planting by laying bricks or stones, spreads certain thickness compost, is implanted in soil by water plant;Three is by water plant kind in a reservoir, then by container submerged.According to external environment impacts on plant growing such as light (water transparency), water temperature, mobility, water levels, control operation water level, depending on submerged plant growth situation, step up water level to normal depth of flow.
By the problem that above conventional method for repairing water ecology exists following several respects:
If one is first drain lake water or river needs to increase primary preparation works, as built cofferdam or dam, increases engineering cost, extend the duration.
If two is need to need to expend certain electric power with pump pump drainage lake water or river, also can extend the duration, affect the normal function of water body, particularly rainwater seasonality draw water the electric power consumed and the time more, increase engineering cost.
Three is directly big with the labor intensity of the planting aquatic plants of hands " rice transplanting formula " by workman, inefficiency.
If four is proceed to planting soil or Nutrition Soil from the place beyond river, lake, it will increase the sedimentation amount in lake, river, raise lakebed or riverbed, even can the pollutant in planting soil or Nutrition Soil be brought in water body, produce new pollution.
If five is first container entirety is put in water by water plant kind in a reservoir again, construction lake surface or the bigger words of river surface, it is necessary to substantial amounts of container, construction cost will be greatly increased, affect view;Meanwhile, after hydrophyte restoration, also needing to salvage container, its difficulty and working strength are all bigger.
Summary of the invention
Based on this, it is necessary to provide a kind of duration shorter, save cost, efficiency is higher, do not result in the water remediation method of secondary pollution.
A kind of water remediation method, comprises the steps:
Remove the fluitante at least part of described water body to be repaired;
From water body to be repaired treat planting area obtain bed mud;
By the described bed mud obtained and extraneous mixing with soil;
Apply the mixture making water plant planting block of described bed mud and described extraneous soil;
Described plantation block is planted in described water body to be repaired.
In one of them embodiment, remove the described fluitante of 40%~70% in described water body to be repaired.
In one of them embodiment, remove the described fluitante of 50% in described water body to be repaired.
In one of them embodiment, the plantation coverage of described plantation block is 20%~60%.
In one of them embodiment, the plantation coverage of described plantation block is 35%.
In one of them embodiment, before being planted by described plantation block in described water body to be repaired, also include step, it is judged that the degree of depth of described water body to be repaired and transparency, when the degree of depth of described water body to be repaired more than 1.5m and transparency less than 1m, then promote the transparency of water body to be repaired.
In one of them embodiment, the transparency of described lifting water body to be repaired includes being interrupted throws in microorganism reagent, flocculant and/or oxidant to water body to be repaired.
In one of them embodiment, per half a day throws in the 1/5 of described microorganism reagent, described flocculant or the total injected volume of described oxidant, throws in 2.5 days continuously.
In one of them embodiment, per half a day throws in the 1/5 of described microorganism reagent, described flocculant and the total injected volume of described oxidant, throws in 2.5 days continuously.
In one of them embodiment, described flocculant includes ferrous chloride, aluminium polychlorid.
Above-mentioned water remediation method, due to can operation on the water, without pump drainage lake water during plantation, so save manpower, electric power, reduce labor intensity, cost saving.Additionally, due to the bed mud included in the mixture of planting aquatic plants in water body to be repaired, extraneous planting soil can be reduced on the one hand or water body is brought secondary pollution by nutrition, the risk that the water body water surface to be repaired is raised can be reduced on the other hand.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the agitating device that the present invention applies;
Fig. 2 is the structural representation of an embodiment of the sample devices that the present invention applies.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiments described herein.On the contrary, provide the purpose of these embodiments be make the disclosure is understood more thorough comprehensively.
It should be noted that be referred to as " being arranged at " another element when element, it can directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.For illustrative purposes only, being not offered as is unique embodiment for term as used herein " vertical ", " level ", "left", "right" and similar statement.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology.The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention.Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
A kind of water remediation method, comprises the steps:
Step S201, the degree of depth judging water body to be repaired and transparency, when water depth to be repaired is more than 1.5m, when transparency is less than 1m, then promote the transparency of water body to be repaired.
Concrete, put into for removing the microorganism reagent of algae, flocculant or oxidant in water body to be repaired.Such as, flocculant can be the inorganic matters such as ferrous chloride, ferrous sulfate, aluminium polychlorid, it is possible to for Organic substances such as sodium polyacrylate, polyacrylamide, polyethylene glycol oxides.
In such manner, it is possible to improve the transparency of water body to be repaired, and then promote the growth of water body implants, make repairing effect better.
Further, according to practical situation, it is interrupted and water body to be repaired is thrown in microorganism reagent, flocculant or oxidant.Such as, per half a day throws in the 1/5 of total injected volume, throws in 2.5 days continuously.And for example, every other day throw in the 1/3 of total injected volume, throw in three times.Such as, water body to be repaired order is thrown in microorganism reagent, flocculant and oxidant;And for example, water body to be repaired is thrown in microorganism reagent, flocculant and oxidant simultaneously.
By microorganism reagent, flocculant, or oxidant average input is in water body to be repaired.Such as, the every 20m of the water surface of water body2Throw in microorganism reagent, a flocculant or oxidant, and input metering is calculated according to the water surface gross area of water body.Such as, when the total surface area of the water body water surface is 1000m2, and microorganism reagent, flocculant, or oxidant need one day in when throwing in complete, microorganism reagent, flocculant, or each injected volume of oxidant be the same day total input 1/50.So, to make input better effects if, and then the transparency of water body to be repaired is made to promote uniformly.
Additionally, for another example, when water body partial transparency to be repaired is relatively low, this region microorganism reagent, flocculant, or the injected volume of oxidant is other region injected volumes 1.3~2 times.So, ensure that on the one hand and treat ecological balance in water body, do not result in secondary pollution, the areas transparent degree making water transparency to be repaired relatively low on the other hand promotes effect more preferably.
As it is shown in figure 1, the structural representation of an embodiment of its agitating device applied for this method.
It is pointed out that input microorganism reagent, flocculant, or after oxidant, according to practical situation, it is also possible to water body to be repaired is stirred, to accelerate transparency lifting speed.Such as, when water body to be repaired is hydrostatic body, agitating device 10 is set in water body to be repaired.Wherein, the drive division 110 that agitating device 10 includes relatively and is coaxially disposed, and connect the mixing part 120 of two drive divisions 110, when mixing part 120 is multiple, multiple mixing parts 120 be arranged in parallel.In the present embodiment, drive division 110 rotates about the axis thereof, and mixing part 120 is platy structure, and its surface is arranged horizontal by acute angle, to improve mixing effect.Or, in order to reduce resistance, it is also possible to arrange some through holes on mixing part 120, during to reduce stirring, the resistance of water body.When agitating device 10 works, mixing part 120 rotates to stir water body to be repaired with drive division 110.
In other embodiments, the drive division 110 of agitating device 10 can also be the drive division 110 moved up and down, and is arranged at the mixing part 120 on drive division 110, moves up and down with drive division 110, to stir water body to be repaired.
Additionally, mixing part 120 is additionally provided with resettlement section, it is used for housing the cleansers such as microorganism reagent, flocculant, or oxidant.Such as, resettlement section is removable installed on mixing part 120, and has host cavity, and resettlement section has some mesh being connected with host cavity, is used for making cleanser contact with water body to be repaired.For another example, network interface be sized to regulate, for instance resettlement section includes the net wall that Multi-layer detachable unloads, and mesh is arranged on net wall, and every layer of inwall is respectively provided with the mesh of unified specification, and the mesh specification of multilamellar inwall is different, so, just can select as required need net wall.
It should be noted that agitating device 10 also includes driving section, driving section is arranged at the bank of water body to be repaired, and is connected with drive division 110, is used for lifting driving section, to be sent to inside water body to be repaired by drive division 110.
Step S202, treat that planting area obtains bed mud from water body to be repaired, and dry in the sun bed mud makes its water content decline.
Such as obtain bed mud at random, for another example, from the bottom surface average acquiring bed mud of water body to be repaired.Such as, the bottom surface of water body to be repaired on average every 20m2Obtain 3 jin of bed muds.And for example, according to practical situation, in the visibility region less than 2m, bed mud is other regions 2~3 times obtained, for instance 2.5 times, due to the plant comparatively dense at this ecological region planting, therefore, so obtaining bed mud, order treats that planting plants more adapts to environment in the water of water body to be repaired.
According to practical situation, bed mud can be obtained by application sample equipment, concrete, as in figure 2 it is shown, it is the structural representation of the sample devices of present invention application.
Sample devices 20 includes: body 200, the screen cloth 300 being arranged in body 200, and connects the connecting portion 400 of body 200.
Body 200 includes being rotatably connected and jointly enclose the left hemisphere portion 210 of host cavity 201, right semi-spherical portion 220, left hemisphere portion 210, right semi-spherical portion 220 all offer some through hole (not shown) being connected with host cavity 201, namely left hemisphere portion 210 and right semi-spherical portion 220 can pass through to rotarily open or close, and form a host cavity 201 during Guan Bi.
Screen cloth 300 is positioned at host cavity 201, and includes left screen cloth 310, right screen cloth 320 and elastic 330.Wherein, left screen cloth 310, right screen cloth 320 are connected with left hemisphere portion 210, right semi-spherical portion 220 respectively each through elastic 330, and left screen cloth 310 is oppositely arranged with right screen cloth 320, and surrounds receiving area.It is also understood that left screen cloth 310 moves with left hemisphere portion 210, right screen cloth 320 is followed right semi-spherical portion 220 and is moved, so that left screen cloth 310 is separable with right screen cloth 320 or Guan Bi, forms a receiving area during Guan Bi.
Connecting portion 400 is arranged on left hemisphere portion 210 and/or right semi-spherical portion 220.Namely connecting portion 400 can be separately set in left hemisphere portion 210;Can also be separately set on right semi-spherical portion 220;Can also be arranged on left hemisphere portion 210 and right semi-spherical portion 220 simultaneously, when being arranged on left and right semi-spherical portion 220 simultaneously, connecting portion 400 can be multiple, and connect left hemisphere portion 210 and right semi-spherical portion 220 respectively, such as, connecting portion 400 is two, connects left hemisphere portion 210 and right semi-spherical portion 220 respectively.For another example, connecting portion is for controlling left hemisphere portion and the folding of right semi-spherical portion.
When using above-mentioned sample devices 20 to obtain bed mud, first sample devices 20 is sunk under water, and open left hemisphere portion 210 and right semi-spherical portion 220, obtain bed mud;Guan Bi left hemisphere portion 210 and right semi-spherical portion 220 afterwards, so that the bed mud being positioned at body 200 is positioned at the receiving area that left screen cloth 310 is formed with right screen cloth 320, along with left hemisphere portion 210 and right semi-spherical portion 220 progressively close, the space of receiving area tapers into, elastic 330 is squeezed, and coordinates the left screen cloth 310 of extruding and the bed mud in right screen cloth 320.
Above-mentioned sample devices 20, due in sampling process, it is possible to the bed mud in body 200 is extruded, therefore, it is possible to gather more bed mud in a sampling process, when to bed mud demand bigger time, improve extraction efficiency, shorten acquisition time.Additionally, due to compression bed mud can discharge the portion of water in bed mud, therefore shorten the time of follow-up dry in the sun bed mud.
In the present embodiment, left screen cloth 310 is identical with left hemisphere portion 210 radian, and right screen cloth 320 is identical with right semi-spherical portion 220 radian.Further, left hemisphere portion 210 and right semi-spherical portion 220 are respectively provided with excavation portion 230, to facilitate bed mud collection, concrete, excavation portion 230 is positioned at the rotation axle side that left hemisphere portion 210 is rotationally connected away from itself and right semi-spherical portion 220, excavation portion 230 on right semi-spherical portion 220 is symmetrical arranged with the excavation portion 230 in left hemisphere portion 210, and is fitted to each other, to excavate bed mud.According to practical situation, left hemisphere portion 210 and right semi-spherical portion 220 are symmetrical arranged.
Left screen cloth 310 is identical with left hemisphere portion 210 radian, and right screen cloth 320 is identical with right semi-spherical portion 220 radian, makes the sample devices 20 can collection bed mud as much as possible.
It is to be noted, left screen cloth 310 is connected with left hemisphere portion 210 by multiple elastic 330, so that left screen cloth 310 may move closer or far from left hemisphere portion 210, right screen cloth 320 is connected with right semi-spherical portion 220 by multiple elastic 330, so that right screen cloth 320 may move closer or far from right semi-spherical portion 220.Such as, the multiple elastic 330 being arranged on left screen cloth 310 are distributed radially, and the multiple elastic 330 being arranged on right screen cloth 320 are distributed radially.For another example, elastic 330 is spring.
In such manner, it is possible to make left screen cloth 310 be more uniformly stressed with right screen cloth 320, and then improve its service life, and make left screen cloth 310 more smooth with the bed mud extruding in right screen cloth 320, steadily.
According to practical situation, the aperture of through hole is less than the mesh aperture on screen cloth 300.Such as, the aperture of through hole is 0.5~1.5cm, and the mesh diameter on screen cloth 300 is 1~3cm.To avoid the bed mud extracted again to drop back in water.
Further, the sidewall of left hemisphere portion 210 and right semi-spherical portion 220 is double-deck, and every layer of sidewall all offers through hole.Such as, the through-hole aperture on double side walls is different.
After obtaining bed mud, dry in the sun bed mud makes its water content decline.In the present embodiment, outdoor that the bed mud of acquisition is tiled to, and tiling bed mud thickness be 5~15cm, it is preferred to 7cm.And the bed mud water content after dry in the sun is 30%~40%.
The thickness of bed mud tiling is that 5~15cm mono-aspect makes moisture be more easy to evaporation, and the water content making bed mud on the other hand is more easy to control, and namely the evaporation rate of moisture is suitable for.
Further, for instance, bed mud is put in bed mud mould.Such as, bed mud mould is column structure, has accepting groove, and is arranged on accepting groove inwall, and dividing plate spaced with accepting groove bottom surface.Wherein, the bottom section of accepting groove and dividing plate are equipped with some air vents, to accelerate the rate of drying of bed mud, and, make the moisture evaporation in bed mud more uniform.
It is pointed out that according to practical situation, obtain after bed mud can also directly with extraneous mixing with soil, namely now need not the bed mud of dry in the sun acquisition.
Step 203, by the bed mud after dry in the sun and extraneous mixing with soil.
In the present embodiment, in mixture, bed mud content is 60%~80%.Further, bed mud and extraneous soil Homogeneous phase mixing.Concrete, when bed mud to be repaired is infertile soil or mellow soil, extraneous mixed soil is loam or oil soil;When bed mud to be repaired is loam or oil soil, extraneous mixed soil is infertile soil or mellow soil, with the fertility of equilibrium mixture.Such as, by bed mud and extraneous mixing with soil, in order mixing five, the content of organic matter reaches 4%~7%, it is preferred to 5%.
It is pointed out that extraneous soil can be water body water to be repaired soil on the bank.
The mixture plantation of step 204, application bed mud and extraneous soil is positioned at the water plant of plantation mould, and makes plantation block.
Concrete, plantation mould includes some demarcation strips and peplos, and wherein, some demarcation strips are crisscross arranged, and form some accepting grooves, and peplos is multiple, is respectively arranged in each accepting groove, and be distributed along the inwall of accepting groove, formation planting area.
Further, in the present embodiment, peplos is degradable non-woven fabrics or other degradation materials are made.Further, the bottom surface of the relative accepting groove in the edge of peplos exceeds 2~5cm than the sidewall of accepting groove, it is preferred to 3cm.
Adopting biodegradable natural material as peplos, the body that both will not feed water brings new pollution, by avoiding by the impact on view, the link salvaged after also eliminating.It may be noted that time, the present embodiment is planted mould there is the accepting groove of different size, for instance, the specification of accepting groove includes 20cm × 10cm × 15cm, 30cm × 20cm × 20cm, 30cm × 30cm × 20cm.So, just according to practical situation, the water plant that root system size is different can be planted.
When making plantation block, water plant is positioned in the peplos of accepting groove, and topples over mixture in peplos, carried water plant, to make plantation block.Wherein, the fertility of soil selects according to water plant to be planted.
Throw in the plantation block wrapping water plant, make the root system of water plant be not easily susceptible to damage, be greatly improved the survival rate of water plant.
Such as, before making plantation block, further comprise the steps of: the fertility judging described bed mud, choose the kind of water plant according to the fertility of described bed mud.
Such as, according to practical situation, when the bed mud in water body to be repaired is infertile soil or mellow soil, water plant can include spire dried tuber, Arundo donax, Canna generalis Bailey, yellow flag, water standing grain, poly-grass, parasol grass, Herba Lythri Salicariae, Hydrocotyle vulgaris L., red Alternanthera sessilis (L.) DC., Flos Caryophylli Phaleria macrocarpa, typha minima at least one.At least one of which water plant can be made plantation block.Such as, now, water plant includes spire dried tuber, yellow flag, Arundo donax, Canna generalis Bailey.And for example, now, water plant includes yellow flag, water standing grain, poly-grass, Herba Lythri Salicariae.
And for example, when the bed mud in water body to be repaired is loam or oil soil, water plant includes power flower, Rhizoma sagittariae sagittifoliae, Rhizoma Colocasiae antiquori, Hai Shouhua, Rhizoma sagittariae sagittifoliae at least one again.At least one of which water plant can be made plantation block.Such as, power flower, Rhizoma sagittariae sagittifoliae are now included again.
In the present embodiment, the described mixture plantation applying described bed mud and described extraneous soil is positioned at first group of water plant of plantation mould, and described first group of water plant includes submerged plant, floatingleaved plant, emergent aquactic plant, hygrophyte at least one;And subsidiary for described plantation block second group of water plant is planted in described water body to be repaired jointly, described second group of water plant includes fluitante.Namely water plant includes first group of water plant and second group of water plant, and wherein, first group of water plant includes submerged plant, floatingleaved plant, emergent aquactic plant, hygrophyte at least one, is used for making plantation block;Second group of water plant includes fluitante, can directly plant.Further, for instance, water plant includes submerged plant, floatingleaved plant, emergent aquactic plant, fluitante, hygrophyte.And for example, water plant includes submerged plant, floatingleaved plant, emergent aquactic plant, fluitante.
And for example, the mixture plantation applying described bed mud and described extraneous soil is positioned at first group of water plant of plantation mould, and described first group of water plant includes submerged plant, floatingleaved plant, emergent aquactic plant, hygrophyte at least one;And subsidiary for described plantation block second group of water plant is planted in described water body to be repaired jointly, described second group of water plant includes fluitante.And for example, the subsidiary second group of water plant of described plantation block, plant in described plantation block including the seed of described second group of water plant is sprayed, or, the shoot of described second group of water plant is transplanted in described plantation block, or, the plant of described second group of water plant is transplanted in described plantation block, or, the plant activity of described second group of water plant is positioned over described plantation block, or, the plant of described second group of water plant is tied down and is positioned over described plantation block.
Additionally, water plant can select according to actual needs, when water body to be repaired is for pleasure-boat, water plant includes submerged plant;When water body to be repaired is used for viewing and admiring, water plant includes floatingleaved plant, emergent aquactic plant, fluitante.
Further, water plant includes multiple kind, so that during Various Seasonal, all having aquatic plants growth in water body to be repaired.
When water plant includes submerged plant, wherein, submerged plant includes: at least two among Herba vallisneriae Spiralis, black algae, potamogeton malaianus, spike watermifoil.
When water plant includes floatingleaved plant, wherein, submerged plant includes: at least two in Flos nymphaeae (Nymphaea teragona Georgi), Shui Pilian, Folium Braseniae Schreberi, spatterdock, floating heart, Semen Euryales, Pedicellus et Pericarpium Trapae.
When water plant includes emergent aquactic plant, wherein, emergent aquactic plant includes: again power flower, Herba Typhae, Arundo donax, Rhizoma sagittariae sagittifoliae, Hai Shouhua, Arundo donax, yellow flag, Herba Scirpi Tabernaemontani, floral leaf Herba Scirpi Tabernaemontani, Herba Lythri Salicariae, Rhizoma Alismatis, Rhizoma Colocasiae antiquori, phragmites communis, flower Lin, Chinese small iris, at least two in purple bar taro.
When water plant includes fluitante, wherein, fluitante includes: at least two in frogbit, Herba Eichhorniae, big drift, Japanese pagodatree leaf duckweed.
When water plant includes hygrophyte, wherein, hygrophyte includes: at least two in Radix sacchari arundinacei, cattail and reed, Herba Marisci Umbellati, smartweed, Radix Et Rhizoma Fagopyri Tatarici.
According to plant tillering, branching rate function, planting season, it is determined that planting density.
Such as, in embodiment one, water plant is as follows.
Submerged plant includes: Herba vallisneriae Spiralis 30~50 strains/m2, black algae 10~15 buds/clump, 25~30 clumps/m2, potamogeton malaianus 3~4 buds/clump, 10~20 clumps/m2, spike watermifoil 4~5 buds/clump, 10~20 clumps/m2
Floatingleaved plant includes: 1~2/m of Flos nymphaeae (Nymphaea teragona Georgi)2, water skin lotus 15~20 strains/m2, Folium Braseniae Schreberi 10~15 strains/m2, 1~2/m of spatterdock2, floating heart 10~20 strains/m2, Semen Euryales 1 strain/5m2, Pedicellus et Pericarpium Trapae 3~5 strains/m2
Emergent aquactic plant includes: power spends 10 buds/clump, Herba Typhae 10~20 strains/m again2, Arundo donax 5~8 buds/clump, 6~8 clumps/m2, Rhizoma sagittariae sagittifoliae 10~15 strains/m2, sea the longevity spend 3~4 buds/clump, 10~12 clumps/m2, Arundo donax 4~5 buds/clump, 10~15 clumps/m2, yellow flag 2~3 buds/clump, 15~25 clumps/m2, Herba Scirpi Tabernaemontani 15~20 buds/clump, 8~10 clumps/m2, floral leaf Herba Scirpi Tabernaemontani 20~20 buds/clump, 10~15 clumps/m2, Herba Lythri Salicariae 15~25 strains/m2, Rhizoma Alismatis 15~20 strains/m2, Rhizoma Colocasiae antiquori 15 strains/m2, phragmites communis 15~20 strains/m2, flower Lin's 3~5 buds/clump, 15~20 clumps/m2, Chinese small iris 5 buds/clump, 20~25 clumps/m2, purple bar taro 3~5 buds/clump, 4~6 clumps/m2
Fluitante includes: frogbit 60~70 strains/m2, Herba Eichhorniae 30~40 strains/m2, float greatly 20~30 strains/m2, Japanese pagodatree leaf duckweed 80~100 strains/m2
Hygrophyte includes: Radix sacchari arundinacei 20~30 buds/clump, 1 clump/m2, cattail and reed 20~30 buds/clump, 1 clump/m2, Herba Marisci Umbellati 3~5 buds/clump, 20~25 clumps/m2, smartweed 2~4 strains/m2, Radix Et Rhizoma Fagopyri Tatarici 5~7 buds/clump, 6~10 clumps/m2
In embodiment two, water plant is as follows.
Submerged plant includes: Herba vallisneriae Spiralis 35~70 strains/m2, potamogeton malaianus 3~4 buds/clump, 10~20 clumps/m2, spike watermifoil 5~7 buds/clump, 10~20 clumps/m2
Floatingleaved plant includes: 1~2/m of Flos nymphaeae (Nymphaea teragona Georgi)2, Folium Braseniae Schreberi 13~18 strains/m2, 1~2/m of spatterdock2, floating heart 10~20 strains/m2, Pedicellus et Pericarpium Trapae 6~9 strains/m2
Emergent aquactic plant includes: power spends 10 buds/clump, Herba Typhae 10~20 strains/m again2, Arundo donax 5~8 buds/clump, 6~8 clumps/m2, Rhizoma sagittariae sagittifoliae 10~15 strains/m2, sea the longevity spend 3~4 buds/clump, 10~12 clumps/m2, Arundo donax 4~5 buds/clump, 10~15 clumps/m2, floral leaf Herba Scirpi Tabernaemontani 20~20 buds/clump, 10~15 clumps/m2, Herba Lythri Salicariae 15~25 strains/m2, Rhizoma Alismatis 15~20 strains/m2, Rhizoma Colocasiae antiquori 15 strains/m2, phragmites communis 15~20 strains/m2, flower Lin's 3~5 buds/clump, 15~20 clumps/m2, Chinese small iris 5 buds/clump, 20~25 clumps/m2, purple bar taro 3~5 buds/clump, 4~6 clumps/m2
Fluitante includes: frogbit 60~70 strains/m2, Herba Eichhorniae 30~40 strains/m2, float greatly 20~30 strains/m2, Japanese pagodatree leaf duckweed 80~100 strains/m2
Hygrophyte includes: speckle cattail and reed 40~50 buds/clump, 1 clump/m2, Herba Marisci Umbellati 4~7 buds/clump, 30~35 clumps/m2, smartweed 2~4 strains/m2
In embodiment three, water plant is as follows.
Submerged plant includes: black algae 10~15 buds/clump, 25~40 clumps/m2, potamogeton malaianus 3~4 buds/clump, 10~20 clumps/m2
Floatingleaved plant includes: water skin lotus 15~20 strains/m2, Folium Braseniae Schreberi 10~20 strains/m2, 1~2/m of spatterdock2, floating heart 10~20 strains/m2, Semen Euryales 1 strain/5m2,.
Emergent aquactic plant includes: Herba Typhae 10~20 strains/m2, Arundo donax 5~9 buds/clump, 6~8 clumps/m2, Rhizoma sagittariae sagittifoliae 10~15 strains/m2, sea the longevity spend 3~4 buds/clump, 10~12 clumps/m2, Arundo donax 4~5 buds/clump, 10~15 clumps/m2, yellow flag 2~7 buds/clump, 15~25 clumps/m2, Herba Scirpi Tabernaemontani 15~20 buds/clump, 8~10 clumps/m2, floral leaf Herba Scirpi Tabernaemontani 20~20 buds/clump, 10~15 clumps/m2, phragmites communis 20~25 strains/m2, flower Lin's 4~5 buds/clump, 15~20 clumps/m2, Chinese small iris 5 buds/clump, 20~25 clumps/m2, purple bar taro 3~5 buds/clump, 4~6 clumps/m2
Fluitante includes: Herba Eichhorniae 30~40 strains/m2, float greatly 25~30 strains/m2, Japanese pagodatree leaf duckweed 80~100 strains/m2
So, the kind of reasonable disposition water plant and planting density, it is possible to save material and construction cost, and ensure that the water plant four seasons growth in water body to be repaired.
Step 204, plantation block is planted in water body to be repaired.
Concrete, first the plantation mould with plantation block is rendered in water body to be repaired.Such as, along water body bank to be repaired, the mould with emergent aquactic plant plantation block is put in water body to be repaired.And for example, on water body to be repaired, the plantation mould with submerged plant or floatingleaved plant plantation block is put into ship.
When sinking the bottom to water body to be repaired until mould, take out plantation mould.
It should be noted that according to practical situation, the degree of depth of water body to be repaired is 1~5m.Such as water body to be repaired is 3m, 4m etc..
Above-mentioned water remediation method, due to can operation on the water, without pump drainage lake water during plantation, so save manpower, electric power, reduce labor intensity, cost saving.Additionally, due to the bed mud included in the mixture of planting aquatic plants in water body to be repaired, extraneous planting soil can be reduced on the one hand or water body is brought secondary pollution by nutrition, the risk that the water body water surface to be repaired is raised can be reduced on the other hand.
In other embodiments, a kind of water remediation method, comprise the steps:
Remove the fluitante at least part of water body to be repaired;
From water body to be repaired treat planting area obtain bed mud;
By the bed mud obtained and extraneous mixing with soil;
The mixture of application bed mud and extraneous soil makes water plant planting block;
Plantation block is planted in water body to be repaired.
Wherein, according to practical situation, remove the fluitante of 40%~70% in water body to be repaired.Such as, the fluitante of 50% in water body to be repaired is removed.So, ensure that the ecological environment of water body to be repaired is not destroyed on the one hand, subsequent step can be made to be more easy on the other hand and carry out.
In the present embodiment, the plantation coverage of plantation block is 20%~60%.Such as, the plantation coverage planting block is 35%.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a water remediation method, it is characterised in that comprise the steps:
Remove the fluitante at least part of described water body to be repaired;
From water body to be repaired treat planting area obtain bed mud;
By the described bed mud obtained and extraneous mixing with soil;
Apply the mixture making water plant planting block of described bed mud and described extraneous soil;
Described plantation block is planted in described water body to be repaired.
2. water remediation method according to claim 1, it is characterised in that remove the described fluitante of 40%~70% in described water body to be repaired.
3. water remediation method according to claim 1, it is characterised in that remove the described fluitante of 50% in described water body to be repaired.
4. water remediation method according to claim 1, it is characterised in that the plantation coverage of described plantation block is 20%~60%.
5. water remediation method according to claim 4, it is characterised in that the plantation coverage of described plantation block is 35%.
6. water remediation method according to claim 1, it is characterized in that, before described plantation block being planted in described water body to be repaired, also include step, judge the degree of depth and the transparency of described water body to be repaired, when the degree of depth of described water body to be repaired more than 1.5m and transparency less than 1m, then promote the transparency of water body to be repaired.
7. water remediation method according to claim 6, it is characterised in that the transparency of described lifting water body to be repaired includes being interrupted throws in microorganism reagent, flocculant and/or oxidant to water body to be repaired.
8. water remediation method according to claim 7, it is characterised in that per half a day throws in the 1/5 of described microorganism reagent, described flocculant or the total injected volume of described oxidant, throws in 2.5 days continuously.
9. water remediation method according to claim 7, it is characterised in that per half a day throws in the 1/5 of described microorganism reagent, described flocculant and the total injected volume of described oxidant, throws in 2.5 days continuously.
10. water remediation method according to claim 7, it is characterised in that described flocculant includes ferrous chloride, aluminium polychlorid.
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