CN103922479B - Ecological purification treatment method for hardened river channel water body - Google Patents

Ecological purification treatment method for hardened river channel water body Download PDF

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Publication number
CN103922479B
CN103922479B CN201410130473.3A CN201410130473A CN103922479B CN 103922479 B CN103922479 B CN 103922479B CN 201410130473 A CN201410130473 A CN 201410130473A CN 103922479 B CN103922479 B CN 103922479B
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bed
water
ecological
bed body
riverbed
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CN103922479A (en
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安树青
朱正杰
任丽君
许丽丽
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Zhongrun Mengtian (Jiangsu) environmental remediation Co., Ltd
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Nanda (changshu) Research Institute Co Ltd
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    • 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 discloses an ecological purification treatment method for hardened river channel water body, belonging to the technical field of river channel water treatment. The method comprises the following steps: previous preparation: building an ecological purifying device which is to be arranged on a riverbed of a hardened river channel; planting: planting aquatic plants on the obtained ecological purifying device; arrangement: arranging the ecological purifying device on which the aquatic plants are planted on the riverbed of the hardened river channel and suspending the ecological purifying device relatively to the riverbed, wherein the growing aquatic plants are used for ecological purification of the water body of the hardened channel. The method disclosed by the invention can be used for treating the water of the river channel by a biological way as well as recovering and improving the self-purification capability of the water body; the sparsity is controllable; an excellent natural landscape effect can be achieved, and an ecological purification effect of the water body can be guaranteed as well; the riverbed is not raised and no influences are caused to flood discharge as well; the method is beneficial to improving the mechanical stability of a riparian zone and can be used for farthest reducing the into-river pollution load.

Description

Hardening river water body ecological purification treatment process
Technical field
The invention belongs to river water quality processing technology field, be specifically related to a kind of hardening river water body ecological purification treatment process.
Background technology
Because China's industrial sewage and sanitary sewage disposal relatively lag behind, the consciousness of the public to environment protection is thin in addition, and the situation in a large amount of industry, the unprocessed and in line river course of sanitary sewage frequently occurs, and causes river water quality general worsening.Concrete, grout shore protection etc., for the flood control ability improving city river, there is positive effect, but also exacerbate the hardening in river course simultaneously, associate naturally inside and outside river course upstream and downstream and river course between the ecosystem is had an impact, river course plant is made to be difficult to even cannot grow, destroy the food chain of river channel ecology system, and then threaten the existence of aquatic animals and plants, have a strong impact on river channel ecology system balancing and diversity of organism.In addition, canalization river course changes the cranky natural form in river artificially, water body environment heterogeneity is reduced, finally exacerbates the degeneration of river ecosystem.
Along with the quickening of socioeconomic development and town and country construction paces, in River Construction, except water conservancy function, the composite factor such as garden landscape, ecological, environmental protective, the art of architecture in river course is constantly paid attention to.
Contaminated river course not only view is poor, and because of a large amount of endogenous biological injection lake, downstream, thus bring serious impact to lake water quality and ecology.At present, the method for administering polluted river channel both at home and abroad mainly contains Physical, chemical method and biological process.Physical such as removing river channel sedimentation thing, machinery remove algae, artificial aeration, etc.; Chemical method, as adopted chemical reagent except algae, adds the precipitation that molysite promotes phosphorus, etc.; Biological process as artificial wetland treatment, hydrophyte restoration, microorganism remediation and biological floating bed, etc.But cause its production system havoc because river course suffers long-term chronic pollution, the method thus relying on merely physics and chemistry only can play Zhi Biao but not the effect effected a permanent cure to polluted river channel improvement.Only start with from the structure and function recovering river ecosystem, utilize comprehensive ecological reestablishment to improve basic environment, recover waterplant, build eucyclic aquatic ecosystem, fundamentally could improve water quality, improve water body self-purification ability, play this double effect controlled of table.Therefore, the pollution problem of the mechanism of river water body self-purification process solution hardening urban river water is utilized just to become a kind of trend of river training water quality.But, due to the shortcoming such as complicated to hardening river water body purifying treatment ubiquity apparatus structure in prior art, the cycle of operation is short, cost is high, economic serviceability is not strong, thus constrain its application.
The technical intelligence about river water body purifying treatment can be seen in disclosed Chinese patent literature, such as application for a patent for invention publication No. CN103190273A recommends to be had " the ecological reconstruction technological method of a kind of outskirts of a town hard revetment ", the positive effect of this patent application scheme is to beautify river course revetment view (revetment ecological reconstruction), avoids river banks soil erosion.And for example CN103061311A provides " beautifying and ecological restoration device and method of a kind of city river hard revetment ", and this patent application scheme and aforementioned CN103190273A have the effect played the same tune on different musical instruments.In addition, because this CN103061311A need prepare ecological brick case, thus cost is high, complicated operation, manages and protects expense large, especially owing to also needing training wall, wet-pit and water supply line, etc., thus structure is comparatively complicated, and promoted extension is restricted.Particularly due to aforementioned two patent application schemes for be river course revetment, thus for hardening river water body ecological purification, not there is referential meaning.
Chinese invention patent Authorization Notice No. CN102160522B introduces to be had " a kind of implantation methods of hard artificial landscape water-body aquatic plants ", it is the carrier of coconut palm monofilament as plant-growth of filled natural vegetable fibre in biodegradable fiber braiding mesh bag, different waterplant seed kind is put into the carrier of plant-growth, again the biodegradable fiber braiding mesh bag broadcasting waterplant seed kind is placed in water-bed hardening or the poor water body of water-bed matrix, or treat that the plant seed kind in plant-growth carrier is germinateed, water-bed hardening or the poor water body of water-bed matrix is placed on again after growth.This patent formula can produce the active effect to river water body purification, specifically can see the 0015 to 0017 section, the specification sheets of this patent.But there is following shortcoming: one, owing to showing as bagged structure, sparse density refractory when thus throwing in river water body is to hold, add that river course exists natural grade, if too intensive when throwing in, then easily there is stack effect, if throw in too sparse, then can affect ecological purification ability, no matter and be too intensive or sparsely all to have an impact to landscape effect; Its two, due in use by be implanted with seed kind biodegradable fiber braiding mesh bag throw in river course, thus make riverbed raise to a certain extent, and flood carrying capacity had an impact; They are three years old, because degradable braiding mesh bag is difficult to be attached to river course domatic (riverbed is domatic), often incline collection to position, the lowest point, riverbed, and be thus difficult to for Riparian Zone microflora and vegetation growth provide the ecological environmental condition of expectation, nothing is helped in the mechanical stability improving Riparian Zone.
Summary of the invention
Task of the present invention is to provide one to contribute to administering hardening river water quality in biological restoration mode and using raising water body self-purification ability, be conducive to controlling the sparse density of waterplant and use the desirable natural landscape effect of embodiment, be of value to and avoid having an impact to river course flood discharge and the normal performance and having of using the basic function ensureing river course is convenient to for Riparian Zone microflora and vegetation growth create environment and use the hardening river water body ecological purification treatment process of the mechanical stability improving Riparian Zone.
Task of the present invention has been come like this, and a kind of hardening river water body ecological purification treatment process, comprises the following steps:
A) preposition preparation, builds the ecological purifier on the riverbed for rendering to hardening river course;
B) plant, by steps A) planting aquatic plants on the ecological purifier that obtains;
C) throw in, be invested in planting the ecological purifier being implanted with waterplant on the riverbed in hardening river course, and make ecological purifier relative to riverbed airborne, by the waterplant in growth to hardening river water body ecological purification.
In a specific embodiment of the present invention, described hardening river course refers to that riverbed is hardening cement or the riverbed being covered with pebbles and shore protection is the river course that cement shore protection or stone refute shore protection.
In another specific embodiment of the present invention, aforesaid ecological purifier comprises water plant planting-bed bed body and one group of bed body support column for supporting water plant planting-bed bed body, water plant planting-bed bed body offers water plant planting hole with space state, and the top of water plant planting-bed bed body and one group of bed body support column is fixed, and one group of bed body support column is supported on the riverbed in described hardening river course in a state of use, described water plant planting is in described water plant planting hole, distance of soaring is maintained between described water plant planting-bed bed body and described riverbed, this distance of soaring is consistent with the height of bed body support column.
In another specific embodiment of the present invention, the described length of water plant planting-bed bed body is 1: 0.5 with the ratio of width, and the thickness of this water plant planting-bed bed body is 2-3 ㎝; The height of one group of described bed body support column is respectively 15-25 ㎝, and diameter is 8-12 ㎝.
In another specific embodiment of the present invention, described water plant planting-bed bed body is that a body cast by Steel Concrete; One group of described bed body support column is that post cast by Steel Concrete.
Also have in a specific embodiment of the present invention, the length of described water plant planting-bed bed body is 80-120 ㎝, and width is 40-60 ㎝.
More of the present invention and in a specific embodiment, the diameter in described water plant planting hole is 1-3 ㎝.
In an of the present invention and then specific embodiment, described waterplant is emergent and/or floating plant.
Of the present invention again more and in a specific embodiment, described slotting water plant is calamus and/or lotus; Described floating plant is water lily.
In an again of the present invention and then specific embodiment, described water plant planting-bed bed body is configured with for the fixed orifices fixing with bed body support column in the position corresponding to described bed body support column.
Technical scheme provided by the invention, owing to the ecological purifier of planting aquatic plants to be invested in the riverbed in hardening river course, thus can to embody and administer river water quality with biological mode, recover and improve water body self-purification ability; Owing to planting waterplant on ecological purifier with planting patterns, thus sparse density is controlled, can embody excellent natural landscape effect, can guarantee again the ecological purification effect to water body; Because ecological purifier is relative to riverbed airborne, thus both can not raise riverbed, also can not have an impact to flood discharge; Because the waterplant be distributed on ecological purifier can be Riparian Zone microflora and vegetation create environment, be thus conducive to the mechanical stability improving Riparian Zone; Because waterplant has the effect effectively removed area source pollutants, thus can reduce into river pollution load ultimate attainmently.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of the inventive method to hardening river water body ecological purification.
The concrete structure figure that Fig. 2 is the ecological purifier shown in Fig. 1.
Fig. 3 is for implementing assembled schematic diagram by a plurality of ecological purifiers of structure shown in Fig. 2.
Embodiment
Embodiment 1:
Refer to Fig. 1 to Fig. 3.
Hardening river water body ecological purification treatment process of the present invention comprises the following steps:
A) preposition preparation, build namely make to be illustrated by Fig. 1 and by Fig. 2 be shown in detail for rendering to the ecological purifier 2 on the riverbed 11 in hardening river course 1, this ecological purifier 2 comprises water plant planting-bed bed body 21 and one group for supporting the bed body support column 22 of water plant planting-bed bed body 21, water plant planting-bed bed body 21 offers with space state the water plant planting hole 211 that diameter is 2 ㎝, major function due to this water plant planting hole 211 is fixing waterplant 3 as shown in Figure 1, thus waterplant fixed orifices or waterplant pilot hole can be also defined as, waterplant 3 is transplanted on water plant planting hole 211, waterplant 3 just with the aquatic length relying on river course for carrier.In the present embodiment, the length of water plant planting-bed bed body 21 is 100 ㎝, width is 50 ㎝, and thickness is 2 ㎝, the height of bed body support column 22 is 20 ㎝, and diameter is 10 ㎝, and water plant planting-bed bed body 21 waters making sheet for Steel Concrete, namely a body cast by Steel Concrete, and bed body support column 22 casts post for Steel Concrete.In order to water plant planting-bed bed body 21 is fixed with the top of bed body support column 22, thus be respectively configured with fixed orifices 212 in four bights of water plant planting-bed bed body 21, the reinforcing bar forming bed body support column 22 exposes the end face of body support column 22 2 ㎝ and is insinuated in fixed orifices 212.The diameter of fixed orifices 212 should adapt with the diameter of reinforcing bar, and such as, when reinforcing bar is 0.8 ㎝, then the diameter of fixed orifices 212 is 0.8 ㎝, so obtains complete ecological purifier 2;
B) plant, by steps A) planting aquatic plants 3 on the water plant planting hole 211 of the water plant planting-bed bed body 21 of ecological purifier 2 that obtains, here said planting aquatic plants 3 is transplanted and be positioned on water plant planting hole 211 by the waterplant 3 through cultivation, waterplant both can be emergent, also can be floating plant, it can also be the combination of emergent and floating plant, emergent is not limited to calamus, lotus etc., floating plant is not limited to water lily, etc.;
C) throw in, the ecological purifier 2 of the single cell shown in Fig. 2 is implemented assembling combination by shown in Fig. 3 by the width according to the riverbed 11 in hardening river course 1, and be invested in the riverbed 11 in hardening river course 1, because the width of the bed body support column 22 of the ecological purifier 2 in the present embodiment is 20 ㎝, therefore the distance of soaring of 20 ㎝ is maintained between water plant planting-bed bed body 21 and riverbed 11, that is water plant planting-bed bed body 21 is relative to riverbed 11 airborne, by the 3 pairs of hardening river water body ecological purifications of the waterplant in process of growth.Hardening river course described in the present embodiment refers to that riverbed 11 is hardening cement or the riverbed being covered with pebbles and shore protection is the river course that cement or stone refute shore protection.
When river level is more shallow, water volume flow rate is slow, flow is little, slowly flow through the waterplant 3 on water plant planting-bed bed body 21, effectively can improve the time of water body and plant contact, increase waterplant 3 and water pollutant contact reacts time, thus reach the object removed water pollutant, improve water quality.Waterplant 3 provides carrier for microorganism species, contribute to the quick growth of microorganism, utilize microbe to carry out decomposing the object reaching and purify water, the secretory product that microorganism produces simultaneously can play biological flocculation, the settling property of enhanced granule thing.When the water yield is large, water plant planting-bed bed body 21 has adjustment current, plays the interim effect storing the water yield, the water of storage when dry season for plant root provides moisture.And water plant planting hole 211 is equal to ventilating pit, for inside and outside Medium Exchange.The Steel Concrete connected between cover plate wraps in cover plate, and be not easy to occur slight crack, water can not enter reinforcing bar inside, strengthens its weather resistance, erosion resistance, maintains appearance looks elegant again.
Embodiment 2:
Only change the length of water plant planting-bed bed body 21, width and thickness into 120 ㎝, 60 ㎝ and 3 ㎝ respectively, change the diameter in water plant planting hole 211 into 3 ㎝; Change the height of bed body support column 22 and diameter into 15 ㎝ and 8 ㎝ respectively.All the other are all with the description to embodiment 1.
Embodiment 3:
Only change the length of water plant planting-bed bed body 21, width and thickness into 80 ㎝, 40 ㎝ and 2.5 ㎝ respectively, change the diameter in water plant planting hole 211 into 2.5 ㎝; Change the height of bed body support column 22 and diameter into 20 ㎝ and 12 ㎝ respectively.All the other are all with the description to embodiment 1.

Claims (9)

1. a hardening river water body ecological purification treatment process, is characterized in that comprising the following steps:
A) preposition preparation, builds the ecological purifier (2) being used for rendering on the riverbed (11) of hardening river course (1);
B) plant, by steps A) the upper planting aquatic plants (3) of ecological purifier (2) that obtains;
C) throw in, the ecological purifier (2) kind being implanted with waterplant (3) is invested on the riverbed (11) of hardening river course (1), and make ecological purifier (2) relative to riverbed (11) airborne, by the waterplant (3) in growth to hardening river water body ecological purification ,described ecological purifier (2) comprises water plant planting-bed bed body (21) and one group of bed body support column (22) for supporting water plant planting-bed bed body (21), water plant planting-bed bed body (21) offers water plant planting hole (211) with space state, and water plant planting-bed bed body (21) is fixed with the top of one group of bed body support column (22), and one group of bed body support column (22) is supported on the riverbed (11) of described hardening river course (1) in a state of use, described waterplant (3) is planted in described water plant planting hole (211), distance of soaring is maintained between described water plant planting-bed bed body (21) and described riverbed (11), this distance of soaring is consistent with the height of bed body support column (22).
2. hardening river water body ecological purification treatment process according to claim 1, is characterized in that described hardening river course (1) refers to that riverbed (11) is for hardening cement or the riverbed being covered with pebbles and shore protection is the river course that cement shore protection or stone refute shore protection.
3. hardening river water body ecological purification treatment process according to claim 1, it is characterized in that the described water plant planting-bed length of bed body (21) is 1: 0.5 with the ratio of width, and the thickness of this water plant planting-bed bed body (21) is 2-3 ㎝; The height of one group of described bed body support column (22) is respectively 15-25 ㎝, and diameter is 8-12 ㎝.
4. the hardening river water body ecological purification treatment process according to claim 1 or 3, is characterized in that described water plant planting-bed bed body (21) casts a body for Steel Concrete; One group of described bed body support column (22) casts post for Steel Concrete.
5. hardening river water body ecological purification treatment process according to claim 4, it is characterized in that the length of described water plant planting-bed bed body (21) is 80-120 ㎝, width is 40-60 ㎝.
6. hardening river water body ecological purification treatment process according to claim 1, is characterized in that the diameter of described water plant planting hole (211) is 1-3 ㎝.
7. hardening river water body ecological purification treatment process according to claim 1, is characterized in that described waterplant is emergent and/or floating plant.
8. hardening river water body ecological purification treatment process according to claim 7, is characterized in that described slotting water plant is calamus and/or lotus; Described floating plant is water lily.
9. hardening river water body ecological purification treatment process according to claim 1, is characterized in that going up described water plant planting-bed bed body (21) and being configured with for the fixed orifices (212) fixing with bed body support column (22) in the position corresponding to described bed body support column (22).
CN201410130473.3A 2014-04-02 2014-04-02 Ecological purification treatment method for hardened river channel water body Active CN103922479B (en)

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Publication number Priority date Publication date Assignee Title
CN111005345A (en) * 2019-12-03 2020-04-14 福建省水利水电勘测设计研究院 Ecological water system restoration construction method
CN113213640A (en) * 2021-05-26 2021-08-06 深圳景浩生态修复技术有限公司 Ecological purification treatment equipment for water body of hard riverway

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Publication number Priority date Publication date Assignee Title
CN1765773A (en) * 2005-09-07 2006-05-03 云南省环境科学研究院 Floating island of plant and its construction method
CN101401527A (en) * 2008-11-05 2009-04-08 湖北大学 Surface cultivation plants floating bed of industrial production
CN201793429U (en) * 2010-07-13 2011-04-13 湖北大学 Polyphenyl particle-added concrete combined floating bed for cultivating plants on water surface
CN102160522A (en) * 2011-04-27 2011-08-24 华东师范大学 Method for planting hard artificial landscape water-body aquatic plants
CN103061311A (en) * 2013-02-03 2013-04-24 中国科学院南京地理与湖泊研究所 Beautifying and ecological restoration device and method of urban river hard revetment

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JPH07268837A (en) * 1994-03-31 1995-10-17 Hokuetsu:Kk Foot protection block for river and foot protection block work

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1765773A (en) * 2005-09-07 2006-05-03 云南省环境科学研究院 Floating island of plant and its construction method
CN101401527A (en) * 2008-11-05 2009-04-08 湖北大学 Surface cultivation plants floating bed of industrial production
CN201793429U (en) * 2010-07-13 2011-04-13 湖北大学 Polyphenyl particle-added concrete combined floating bed for cultivating plants on water surface
CN102160522A (en) * 2011-04-27 2011-08-24 华东师范大学 Method for planting hard artificial landscape water-body aquatic plants
CN103061311A (en) * 2013-02-03 2013-04-24 中国科学院南京地理与湖泊研究所 Beautifying and ecological restoration device and method of urban river hard revetment

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