CN103663712B - Three-dimensional floating bed for purification of black and odorous rivers and building method - Google Patents

Three-dimensional floating bed for purification of black and odorous rivers and building method Download PDF

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Publication number
CN103663712B
CN103663712B CN201310685444.9A CN201310685444A CN103663712B CN 103663712 B CN103663712 B CN 103663712B CN 201310685444 A CN201310685444 A CN 201310685444A CN 103663712 B CN103663712 B CN 103663712B
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black
floating
floating bed
layer
biofilm
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CN103663712A (en
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叶姜瑜
陈刚才
程士兵
汪泳
李媛
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Mulian Environmental Technology (Chongqing) Co.,Ltd.
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Chongqing Academy Of Environmental Science
Chongqing University
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • 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 provides a three-dimensional floating bed for purification of black and odorous rivers and a building method for the three-dimensional floating bed. A fence formed by PVC pipes and polyvinyl net is divided from top to bottom into an upper layer of floating plant growing region, a middle layer of artificial medium region and a lower layer of artificial medium region, wherein water plants with relatively developed root systems are planted on the upper layer; a biological membrane is formed on the middle layer by hanging pieces with rough surfaces and acts together with the root region of the plants on the upper layer, and organic substances are decomposed by oxygen generated by the plants; floating filler net is hung on the lower layer, and is filled with anaerobic bacteria according to different forming reasons of the black and odorous rivers, wherein the anaerobic bacteria are attached to an artificial hanging membrane, and domesticated to achieve high tolerance and degradation capability to pollutants. The three-dimensional floating bed provided by the invention has the advantages as follows: the manufacturing method of the floating bed is simple and convenient, the cost is lower, and the three-dimensional floating bed has an enhanced improvement effect on black and odorous rivers with high pollutant burdens.

Description

A kind of three-dimensional floating bed and construction method for black and odorous river purification
Technical field
The present invention relates to a kind of method of black and odorous river being carried out to purifying treatment, particularly a kind of three-dimensional floating bed construction method for purifying black and odorous river.
Background technology
Along with the development of social production, the water quality of river of countries in the world is all faced with the pollution in various degree from aspects such as industry, agricultural, lives.Stream pollution is one of current environmental problem day by day received publicity, and owing to there is a large amount of pollutent in water body, make dissolved oxygen concentration reduction in water body be even zero, cause river black smelly, fishes and shrimps disappear.The river polluted not only loses resource function and use value, and the environmental landscape around havoc, even jeopardizes the health of river resident.The large river basin of current China seven has been subjected to pollution in various degree all, particularly in section, 138 cities, the whole nation, the overwhelming majority flowing through busy areas is also subject to pollution in various degree, accounts for 38 % wherein lower than V class water body in country's " Environmental Quality Standard of Surface Water ".
The black smelly problem how solving urban river has as early as possible become the task of top priority of urban environment work.Along with the continuous growth of socioeconomic development and urban population, in the world, urban water-body pollution problem is just obtaining paying close attention to more and more widely.In the most cities of China, the pollution situation of water body is quite serious, and most of city river is in black smelly state throughout the year.
Mainly contain in black smelly river regulation at present: (1) Physical, as diversion dirt removal, bed mud desilting, mechanical oxygenation etc.(2) chemical process, as added chemical agent etc.(3) biological method, as planting aquatic plants, adds microbiobacterial agent etc.It is high all to there is investment in physical method and chemical process, easily produces secondary pollution, and affects large feature to water ecological setting.Therefore biological method is used to administer to black smelly river course the trend becoming development.
The existing method of floating bed purifying contaminated water body that utilizes is more.As Li Xianning etc. design stereo ecological floatation bed, this floating bed utilizes waterplant, hydrocoles and artificial dielectric to carry out purification of water quality, but its shortcoming is complex structure, make difficulty.In addition, from the framework that other technologies great majority adopt manual type to be made in polystyrene foam plate or timber by water plant planting, utilize absorption and the adsorption of plant root, remove the pollution substances such as N, the P in polluted-water.Also have and add hand-stuff in floating bed, utilize biomembrane purification polluted-water.But the dissolved oxygen in black and odorous river is extremely low, the easily apposition growth blackening or cause smelly anaerobion in hand-stuff in use of existing floating bed, does not reach the effect purified water.
Summary of the invention
Object of the present invention is just to overcome above-mentioned defect, provides a kind of and is applicable to the three-dimensional floating bed of black and odorous river purification of water quality.
Technical scheme of the present invention is as follows:
A kind of for black and odorous river purification three-dimensional floating bed, described three-dimensional floating bed be Fence structure, be divided into upper, middle and lower-ranking, be respectively floating plant vitellarium, upper strata, artificial dielectric district, middle level and artificial dielectric district of lower floor; The waterplant that floating plant vitellarium, upper strata plantation root system is more flourishing; Artificial dielectric district, middle level utilizes disc type filler to form microbial film; Wadding warp artificial biofilm in artificial dielectric district of lower floor has adhered to the filler of anaerobic ammonia oxidizing bacteria.
Particularly, described fence adopts pvc pipe to form rectangle frame with the rope being connected them, and separate by netted partition plane in the upper end of rectangle frame, lower end and centre, one of formation has the structure in three-layer network face.
Further, the biofilm formation in middle level artificial dielectric district is the acquisition of hanging the disc type filler of some amount at upper wire basifacial.
More preferably, the plate shape filling in artificial dielectric district, middle level is inserted on sponge matrix according to design density, and described sponge matrix is fixed between the netted partition in upper strata and middle layer with rope.
Further, the waterplant on described upper strata plants in sponge matrix, the root of plant is utilized to cure by oxygen therapy, reach and provide oxygen effect to microbial film on plate shape filling, the aerobic zone utilizing the root of waterplant to be formed makes the microbial film of middle level artificial dielectric selectivity generation based on aerobic microbiological, decomposes pollution substances such as the organism in black and odorous river.
Further, lower floor's artificial dielectric district selection floating stuffing net that floating stuffing is filled forms ball floating stuffing, links up with in artificial dielectric district of lower floor.
Preferably, use tame out to layer dielectric, biofilm is carried out to the microbiobacterial agent that lipid waste water, pharmaceutical wastewater, high ammonia-nitrogen wastewater or high salinity waste water have strong adaptability and a degradation capability, the river caused different source of pollution is black smellyly uses different biofilm microorganism targetedly.Namely the artificial biofilm of lower floor's wadding warp has adhered to the filler of different anerobe, to the removal effect of different pollution substance in reinforced anaerobic environment.
The present invention proposes a kind of three-dimensional floating bed construction method for black and odorous river purification further, and its step is as follows:
(1) pass four pvc pipes successively with rope, pvc pipe is strung composition rectangle frame;
(2) separate in the upper end of rectangle frame, lower end and mid-plane with netted partition, form three, upper, middle and lower rectangle wire side, wire side keeps suitably lax, and the visual depth of water of degree and floating plant kind are determined;
(3) be fixed between floating bed upper strata and middle level partition with rope by sponge matrix, sponge matrix inserts plate shape filling according to design density, the visual depth of water of concrete length and engine request determine;
(4) by water plant planting in sponge matrix, utilize the root of plant to cure by oxygen therapy, reach and the effect that natural reaeration provides oxygen is carried out to microbial film on plate shape filling;
(5) load in floating stuffing net by using the black and odorous river caused for different reason to have the anerobe of strong degradation function to carry out the floating stuffing after biofilm, be fixed in artificial dielectric district of lower floor with hook ball floating stuffing, in the timing of floating bed operational phase, the microbial film that layer dielectric is adhered to is monitored, and in time biofilm is again carried out to floating stuffing, keep stable pollutant removal.
Advantage of the present invention is as follows:
The present invention adopts three-decker, the waterplant that upper strata plantation root system is more flourishing, middle level utilizes the root district of microbial film and upper strata plant to act on combined action, the oxygen utilizing plant to produce decomposes organism, nylon wire hangs in lower floor, and the Crack cause wadding warp artificial biofilm different according to black and odorous river has adhered to the anerobe through domestication, pollution substance being had to strong tolerance and degradation capability.Three-dimensional floating bedly can change its position in river course by the folding and unfolding of rope, the absorption degradation effect of biofilm microorganism on the absorption of plant and filler is utilized to remove nitrogen, phosphorus, particulate matter and organism in water body, thus reach purifying water body, eliminate the effect of black and odorous water.The making method of floating bed of the present invention is simple and convenient, and cost is lower, and the pollutent in energy fast degradation water body, eliminates river course black smelly, recover water ecology function, the effect that the black and odorous river high to pollutant load has strengthening to administer.
Accompanying drawing explanation
Fig. 1 is three-dimensional floating bed structural representation.
Wherein: 1.PVC manages; 2. netted partition; 3. waterplant; 4. rope; 5. sponge matrix; 6. plate shape filling; 7. floating stuffing; 8. floating stuffing net.
Embodiment
Structure of the present invention is described in detail below in conjunction with accompanying drawing:
See Fig. 1, of the present invention three-dimensional floating bed be Fence structure, be divided into upper, middle and lower-ranking; The waterplant 3 that upper strata plantation root system is more flourishing, as reed, lotus, calamus, cattail etc.; Middle level utilizes the lacing film of uneven surface to form microbial film; Nylon wire hangs in lower floor, and the artificial biofilm of wadding warp has adhered to the filler of anaerobic ammonia oxidizing bacteria.Upper strata artificial dielectric adopts plate shape filling 6, and lower floor's artificial dielectric is ball floating stuffing.
Particularly, three-dimensional floating bed fence of the present invention connects pvc pipe 1 by rope 4 to form rectangle frame, and in the upper end of rectangle frame, netted partition 2 plane of lower end and centre polyethylene material separates, and one of formation has the structure in three-layer network face.
The plate shape filling 6 in artificial dielectric district, middle level is inserted on sponge matrix 5 according to design density, and described sponge matrix 5 is fixed between the netted partition in upper strata and middle layer with rope.
The waterplant 3 on upper strata plants in sponge matrix 5, utilizes the root of plant to cure by oxygen therapy, reach and provide oxygen to microbial film on plate shape filling.
The floating stuffing net 8(nylon wire that lower floor's artificial dielectric district selection floating stuffing 7 is filled) form ball floating stuffing, link up with in artificial dielectric district of lower floor.Lower floor's artificial dielectric adopts the mode enrichment of artificial biofilm pollution substance to be had to the anerobe of enhancing degradation, timing can carry out biofilm again to filler, ensure the removal effect of pollutent.Ball floating stuffing uses hook fixing, is easy to dismounting, is convenient to carry out repetition biofilm to filler and reuse after the stage completing river administers.Can adopt now tame out respectively to layer dielectric, biofilm is carried out to the microbiobacterial agent that lipid waste water, pharmaceutical wastewater, high ammonia-nitrogen wastewater, high salinity waste water have strong adaptability and a degradation capability, the river caused different source of pollution is black smellyly uses different biofilm microorganism targetedly.
The present invention forms fence owing to adopting by pvc pipe and polythene net, and pvc pipe can make net float doubling-up to live floating plant and do not outflow.Move together with the fence that the floating plant on floating stuffing and top thereof can form with pvc pipe and polythene net, can jointly change their positions in river course according to the needs of water quality and view.Utilize the root growth aerobic zone of floating plant, with the aerobic biologic membrane combined action that middle level artificial dielectric is formed, remove pollution substance in river.When filler and ozone deplation river course flood discharge function or filler goes wrong and biofilm detachment time, only fence directly need be lifted from river surface, filler and plant just can together with transport.
Three-dimensional floating bed construction method is such:
First pass four pvc pipes 1 successively with rope 4, pipe is strung composition rectangle frame.Then use the netted partition 2 in three sections, upper, middle and lower plane to be separated, form three rectangle wire sides, wire side keeps suitably lax, and the visual depth of water of degree and floating plant kind are determined.Then use rope 4 to be fixed on netted partition by sponge matrix 5, sponge matrix inserts plate shape filling 6 according to certain design density, the visual depth of water of concrete length and engine request determine.The seed of waterplant 3 is positioned in sponge matrix, utilizes the root of plant to cure by oxygen therapy, reach effect microbial film on plate shape filling being carried out to natural reaeration.Finally the floating stuffing 7 after using the black and odorous river caused for different reason to have the anerobe of strong degradation function to carry out biofilm is loaded floating stuffing net 8, and use hook to be fixed in floating bed lower floor.In the timing of floating bed operational phase, the microbial film that layer dielectric is adhered to is monitored, and in time biofilm is again carried out to floating stuffing, keep stable pollutant removal.

Claims (5)

1. three-dimensional floating bed for black and odorous river purification, is characterized in that: described three-dimensional floating bed for Fence structure, is divided into upper, middle and lower-ranking, is respectively floating plant vitellarium, upper strata, artificial dielectric district, middle level and artificial dielectric district of lower floor; The waterplant that floating plant vitellarium, upper strata plantation root system is more flourishing; Artificial dielectric district, middle level utilizes the disc type filler of uneven surface to form microbial film; Wadding warp artificial biofilm in artificial dielectric district of lower floor has adhered to the filler of anaerobic ammonia oxidizing bacteria;
Described fence connects pvc pipe by rope to form rectangle frame, and separate by netted partition plane in the upper end of rectangle frame, lower end and centre, one of formation has the structure in three-layer network face;
The biofilm formation in artificial dielectric district, middle level hangs the disc type filler of some amount at upper wire basifacial and obtains;
The plate shape filling in artificial dielectric district, described middle level is inserted on sponge matrix according to design density, and described sponge matrix is fixed between the netted partition in upper strata and middle layer with rope;
The waterplant on described upper strata plants in sponge matrix, utilizes the root of plant to cure by oxygen therapy, reach and provide oxygen to microbial film on plate shape filling.
2. three-dimensional floating bed for black and odorous river purification according to claim 1, is characterized in that: the floating stuffing net that lower floor artificial dielectric district selection floating stuffing is filled forms ball floating stuffing, links up with in artificial dielectric district of lower floor.
3. according to claim 2 for black and odorous river purification three-dimensional floating bed, it is characterized in that: use tame out to layer dielectric, biofilm is carried out to the microbiobacterial agent that lipid waste water, pharmaceutical wastewater, high ammonia-nitrogen wastewater or high salinity waste water have strong adaptability and a degradation capability, the river caused different source of pollution is black smellyly uses different biofilm microorganism targetedly.
4. according to any one of claim 1-3 for black and odorous river purification three-dimensional floating bed, it is characterized in that: described netted partition is polythene net.
5. the three-dimensional floating bed construction method for black and odorous river purification described in any one of claim 1-4, is characterized in that step is as follows:
(1) pass four pvc pipes successively with rope, pvc pipe is strung composition rectangle frame;
(2) separate in the upper end of rectangle frame, lower end and mid-plane with netted partition, form three, upper, middle and lower rectangle wire side, wire side keeps suitably lax, and the visual depth of water of degree and floating plant kind are determined;
(3) be fixed between floating bed upper strata and middle level partition with rope by sponge matrix, sponge matrix inserts plate shape filling according to design density, the visual depth of water of concrete length and engine request determine;
(4) by water plant planting in sponge matrix, utilize the root of plant to cure by oxygen therapy, reach effect microbial film on plate shape filling being provided to oxygen;
(5) load in floating stuffing net by using the black and odorous river caused for different reason to have the anerobe of strong degradation function to carry out the floating stuffing after biofilm, be fixed in artificial dielectric district of lower floor with hook ball floating stuffing, in the timing of floating bed operational phase, the microbial film that layer dielectric is adhered to is monitored, and in time biofilm is again carried out to floating stuffing, keep stable pollutant removal.
CN201310685444.9A 2013-12-16 2013-12-16 Three-dimensional floating bed for purification of black and odorous rivers and building method Active CN103663712B (en)

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030452B (en) * 2014-06-18 2015-07-08 江苏美尚生态景观股份有限公司 Method for ecologically restoring water by full-space in-situ nitrogen and phosphorus interception
CN104710008B (en) * 2015-03-19 2017-01-04 武汉沃田生态科技有限公司 A kind of method repairing eutrophication water
CN105000749B (en) * 2015-06-09 2017-11-03 珠江水利委员会珠江水利科学研究院 A kind of ecological restoring method in situ and system and application suitable for tidal interior River system sewage draining exit sewage
CN106495326A (en) * 2015-09-08 2017-03-15 江苏爱福特科技开发有限公司 A kind of for the combined biological floating bed of water body purification
CN105110476B (en) * 2015-09-14 2018-10-26 同济大学 A kind of three-dimensional for the smelly river water quality strengthened purification of urban black is biological floating bed
CN105884032A (en) * 2016-06-15 2016-08-24 中国科学院重庆绿色智能技术研究院 Multifunctional stereoscopic ecological chain floating island
CN106396080B (en) * 2016-10-11 2019-08-06 浙江海洋大学 A kind of biomembrane pretreatment unit suitable for polluted raw purification
CN106745781B (en) * 2017-01-17 2020-09-08 上海交通大学 Sinking type ecological restoration device with bottom sediment phosphorus fixing and absorbing functions
CN107364970B (en) * 2017-07-28 2018-08-10 南京拜思特环保设备有限公司 A kind of floatation type sewage-treatment plant for black and odorous water purification

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CN101817591A (en) * 2010-05-06 2010-09-01 河海大学 Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect

Patent Citations (1)

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CN101817591A (en) * 2010-05-06 2010-09-01 河海大学 Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect

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