CN101691257A - Submerged ecological bed for purifying eutrophic waterbody and application thereof - Google Patents
Submerged ecological bed for purifying eutrophic waterbody and application thereof Download PDFInfo
- Publication number
- CN101691257A CN101691257A CN200910034673A CN200910034673A CN101691257A CN 101691257 A CN101691257 A CN 101691257A CN 200910034673 A CN200910034673 A CN 200910034673A CN 200910034673 A CN200910034673 A CN 200910034673A CN 101691257 A CN101691257 A CN 101691257A
- Authority
- CN
- China
- Prior art keywords
- bed
- water
- ecological
- submerged
- submerged plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 244000005700 microbiome Species 0.000 claims description 45
- 238000012851 eutrophication Methods 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 20
- 230000012010 growth Effects 0.000 abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 2
- 230000029553 photosynthesis Effects 0.000 abstract description 2
- 238000010672 photosynthesis Methods 0.000 abstract description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 238000005276 aerator Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 50
- 241000894006 Bacteria Species 0.000 description 22
- 238000000034 method Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 235000016709 nutrition Nutrition 0.000 description 7
- 230000035764 nutrition Effects 0.000 description 7
- 241000195493 Cryptophyta Species 0.000 description 6
- 238000004172 nitrogen cycle Methods 0.000 description 6
- 230000008635 plant growth Effects 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000003643 water by type Substances 0.000 description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 5
- 241000108664 Nitrobacteria Species 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000013370 mutualism Effects 0.000 description 4
- 230000000050 nutritive effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 241001113556 Elodea Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 2
- 241000195967 Anthoceros Species 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 240000001085 Trapa natans Species 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000009165 saligot Nutrition 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- 241000589151 Azotobacter Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 1
- 240000004590 Potamogeton malaianus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000005422 algal bloom Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010850 salt effect Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229940001516 sodium nitrate Drugs 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a submerged ecological bed for purifying eutrophic waterbody and an application thereof, belonging to the technical field of water environmental pollution treatment. The submerged ecological bed mainly comprises a submerged plant bed, a microbe bed, a buoyancy regulating device and an anchoring device. The upper layer of the submerged ecological bed is submerged plant, and the lower layer thereof is microbe; the lower layer microbe bed is disassemble for increasing the microbe amount at any time; the submerged ecological bed is provided with the buoyancy regulating device for regulating submerge depth and combines with each bed body by the anchoring device at the bottom part thereof; a fine bubble aerator is arranged at the bottom part thereof for fine bubble aerating; the submerged plant at the upper layer of the submerged ecological bed can generate oxygen gas by photosynthesis to form an aerobic-anaerobic microenvironment near roots, thus being favor of converting nitrogen in waterbed into gases such as N2O, N2 and the like for overflowing and lowering nitrogen content in waterbody; in addition, the growth of the submerged plant can absorb a large number of nitrogen and phosphorus from the waterbody, thus playing an important role in lake waterbody restoration by using mutually beneficial symbiotic relationship of the two parts.
Description
Technical field
The present invention relates to lake water environment pollution improvement technology, in particular, is a kind of ecological bed and application in the control of lake water environment pollution of submergence type of purifying eutrophication water body.
Background technology
Quickening along with China's rapid economy development and town and country construction, the pollution becoming serious of lake water surrounding, show as mainly that water area falls sharply, the lake eutrophication aggravation, lake ecosystem is impaired, obliteration of lake is serious, its reason mainly contains: regional industry sewage along the lake, sanitary sewage, agricultural area source discharging are to the pollution of water body in lake; The lake seining cultivation has destroyed lake aquatic attitude system, and the bait of input quickens the eutrophication in lake; Ring lake basin topsoil dried wet deposition causes the lake Effects of water environment.
Lake eutrophication causes the lake self-purification capacity to descend, show as lake body dissolved oxygen decline, transparency reduction, cause submerged plant, planktonic organism, bottom-dwelling death, species diversity reduces, planktonic algae replaces waterplant becomes sociales, and then causes blue-green alga bloom to take place frequently, and the succession of lake aquatic attitude system is the algae type ecosystem based on algae, algal bloom polluted drinking water seedbed water quality jeopardizes the healthy of urban and rural residents.Therefore, to break out be one of limiting factor of restriction social economy Sustainable development for lake eutrophication and blue-green alga bloom.
At present, the lake water environment treatment mainly is divided into several sections such as industrial point-source pollution improvement along the lake, town domestic sewage processing, widespread pollution from the overuse of fertilizers and pesticides in rural area control, water body in lake eutrophication control.Main at present nutritive salt control, biological regulation and control, the reparation of aquatic higher plant, physics ecological engineering technology, the immobilized microorganism technique etc. of adopting of the eutrophication control of water body in lake.It is that to pollute that control and desilting dredge be that the endogenous pollution of representative controls that (desilting is dredged, number of patent application 200720050249.9, a kind of Multifunction desilting car for the external source of representative that classical nutritive salt control techniques mainly adopts to cut dirt; Chemical process, number of patent application 200710132808.5, a kind of algae-removing water-purifying agent and preparation method thereof; Mechanical means, 200610130099.2, a kind of full-automatic algae removing apparatus) method such as, biological modulated control techniques adopt more fish carry out (thank flat, in the enclosure different densities silver carp to the influence of plant plankton, Hua Zhong Agriculture University's journal, 2006.03; Number of patent application 200710031679.0, one seed shrimp-fish-Bei-algae multiple cultivation and water quality biological regulator control system thereof), aquatic higher plant recovery technique adopts waterplant to repair more, comprise emergent, pleuston, (number of patent application 03139848.0 such as submerged plant, a kind of plant restoration method of eutrophication water), the physics ecological engineering technology mainly adopts soft enclosure, and (Pu trains the people with water correction in conjunction with local water body waterplant reparation, purify the physics-ecological engineering experimental study of drinking water source, lake, the lake science, 1997.02), immobilized microorganism technique utilizes the removal of microorganisms pollutent (number of patent application 200510038832.3, efficient nitrogen-cycle bacteria artificial screening and the application in Ecological Recovery of Water and water treatment) of enrichment on the carrier.
Main pleuston, emergent, and the local endemic species such as submerged plant of adopting in aquatic higher plant recovery technique, by the nutritive substance in the water bodys such as a large amount of absorbed nitrogens of the growth metabolism of plant self, phosphorus, absorption suspended particulate, suppress algal grown, enriching heavy metal (number of patent application 200410066162.1, a kind of method of treatig waste water containing chromium with aquatic plant) etc. such as low.
The growth that floats on the surface of existing biological floating bed plant only is suitable for emergent and pleuston, and is inapplicable to submerged plant, also can't bring into play the effect that water microorganisms and waterplant mutualism transform water nutrition salt.Because the transparency of the big-and-middle-sized shallow lake water body of China is not high at present, after the depth of water reached certain depth, submerged plant was owing to weakening of illumination is difficult to normal growth, even meeting is dead, thereby causes water quality further to worsen.Therefore, pressing for exploitation, to have submerged plant-microorganism coefficient ecological bed.Current research shows, adopt liftable floating bed (number of patent application 200810124131.5, Liftable submerged plant growth bed and make and methods for using them) effective purifying eutrophication water body water quality, the liftable floating bed mainly is made up of bed body, buoyancy regulator control system, fixed system, depth-control system and plant and growth matrix five parts thereof, and its submerged vegetation that is mainly used in low transparency and high sea waters recovers.The research worker has carried out comparatively extensive studies to the water body in lake eutrophication control both at home and abroad, a series of technology have been researched and developed, but up to the present, the ecological bed technology of relevant employing submergence type is carried out depth of water adjustment according to transparency and water quality parameter, utilizing submerged plant-water microorganisms system to bring into play submerged plant in eutrophication water absorbs water nutrition salt-microbiological anaerobic and strengthens the device that denitrification process carries out denitrogenation and then conversion-removal water nutrition salt exploitation is not arranged as yet, therefore, develop this type of design library part editor and reuse the improvement of nutrition-enriched water of lake is had positive effect.
Summary of the invention
1. the technical issues that need to address
At serious further lake eutrophication problem, the invention provides a kind of ecological bed and application of submergence type of purifying eutrophication water body, can supply submerged plant growth, the breeding of indigenous water microorganisms, and generation mutualism effect, strengthen submerged plant-microorganism and absorb, transform water nutrition salt effect, organism decomposition and water body nitrogen nutrition salt are removed in the acceleration water body in lake.When water quality worsens when serious, adopt the ecological bed bottom of submergence type microporous aeration device to carry out aeration, can strengthened purification target water body (river, lake, reservoir) water quality.
2. technical scheme
Principle of the present invention:
Submergence type is ecological bed regulates the depth of water according to institute's planting aquatic plants kind, be fit to emergent, pleuston, submerged plant growth, for the growth of microorganism under water body aerobic-anoxia condition in waterplant and the water provides condition, can regulate the bed body degree of depth according to river, lake, reservoir water body transparency condition again.The ecological bed upward submerged plant of submergence type absorbs nitrogen phosphorus and organism in the water in a large number, be converted into self biomass, can reach the purpose of removing water pollutant by the results plant, in addition, the oxygen that submerged plant photosynthesis produces is built the anaerobic-aerobic microenvironment around the root system, help microorganism by nitrated-denitrification with N with ammonium nitrogen, N
2Intermediate gas and N such as O
2Form effusion water body.
Technical scheme:
A kind of submergence type of purifying eutrophication water body is ecological bed, comprise buoyancy regulating device, anchoring device, it also comprises submerged plant bed, microorganism bed, wherein the ecological bed top of submergence type is the submerged plant bed, the bottom is the microorganism bed, the ecological bed top of submergence type is a buoyancy regulating device, and the bottom is an anchoring device.
Micropore aeration pipe is installed in microorganism bed bottom.Microorganism bed bottom is 3~5 row's micropore aeration pipes, the micropore of the 0.2~0.9mm that gathers on the pipe, and an end is shut, and the other end leaves the nut line and can freely be connected with the bank microporous aeration device.
The aspect ratio of submerged plant bed and microorganism bed is between 1~10, and wherein the submerged plant bed is a single layer structure, and the microorganism bed is provided with a plurality of removable type casings according to the ecological bed size of submergence type.Submerged plant bed top is pullable porous top cover, prevent that submerged plant from wafing in the big waters of stormy waves, the circular hole of distributed aperture 5~8cm on the top cover, submerged plant bed bottom is microorganism bed top, the circular hole of distributed aperture 1~3cm, the circular hole of distributed aperture 1~3cm around the bed body freely exchanges interior water body of submerged plant bed and the ecological bed peripheral water body of submergence type, thereby reaches the purpose that purifies water.
Buoyancy control: several ball floats (quantity is determined according to the ecological bed weight of submergence type) are fastened with nylon rope in the ecological bed top of submergence type, when needs make the ecological bed sinking of submergence type, reduce the ball float number, on the contrary, increase the ball float number, can make the ecological bed come-up of submergence type, during concrete the use, regulate the buoyancy size according to the depth of water and water transparency, the color of ball float has nothing in common with each other in addition, is convenient to discern the ecological bed position of submergence type;
The microorganism bed: the microorganism bed is provided with a plurality of pullable casings, the inner carrier of placing, load indigenous nitrogen-cycle bacteria on the carrier (comprise Ammonifying bacteria, nitrite bacteria, nitrobacteria, reach denitrifying bacterium), when the hyperphoric carrier of needs, regulate buoyancy regulating device earlier, make that submergence type is ecological bed to emerge, draw back the microorganism bed then, put into carrier.The circular hole of the densely covered aperture 1~3cm of six faces of microorganism bed makes microorganism water body diffusion towards periphery;
Grappling control: fastening in the ecological bed bottom of submergence type four jiaos anchoring by nylon rope, to decide submergence type ecological bed, anchor is placed in the bed mud so that fixedly submergence type is ecological bed in water body, in order to avoid the bed body moves with current, the material of anchor mainly contains two kinds of iron and cement, can use the weight of anchor according to the decision of stormy waves size, according to depth of water decision nylon rope length;
The ecological bed installation steps of submergence type are as follows:
(1), draws chemical index such as the depth of water, transparency and nitrogen phosphorus by the on-site sampling analysis;
(2) determine the ecological bed size of submergence type, material, microorganism injected volume, anchoring device (6) weight and ball float quantity according to water quality situation and engineering construction zone stormy waves size;
(3) submerged plant is put into submerged plant bed (3), then microorganism is put into microorganism bed (4), anchoring device (6) is fastened at four angles, the ecological bed bottom of submergence type, be thrown in the water, regulate buoyant device (2) according to water transparency, make submergence depth not influence the submerged plant normal growth;
(4), pass through aerating apparatus (1) earlier to the water body aeration if water quality is poor excessively to cause restoration of the ecosystem to be difficult to carry out;
(5) in the project implementing process, water transparency constantly increases, and regulates buoyant device (2) according to the transparency situation, makes the ecological bed subduction of submergence type to reasonable depth, a hyperphoric weekly in addition carrier (load indigenous microorganism on the carrier), when hyperphoric, increase ball float quantity, make the ecological bed come-up of submergence type, draw back microorganism bed (4), put into carrier, reduce ball float then and reduce buoyancy, make the ecological bed subduction of submergence type to the hyperphoric preceding degree of depth of carrier;
3. advantage of the present invention
The submergence type that the invention provides a kind of purifying eutrophication water body is ecological bed, both can regulate the depth of water according to institute's planting aquatic plants kind, be fit to emergent, pleuston, submerged plant growth, for the growth of microorganism under water body aerobic-anoxia condition in waterplant and the water provides condition, can regulate the bed body degree of depth according to river, lake, reservoir water body transparency condition again.Therefore, using the ecological bed technology of submergence type can be low at water transparency, water-level fluctuation is big, the water ecology reparation is carried out in the waters that submerged plant is difficult to survive, can bed body three-dimensional position be regulated and submergence type is ecological bed, change the ecological bed submergence depth of submergence type according to water quality condition, make the ecological bed range of application of submergence type more extensive.In the actual application, can change bed body submergence depth,, enlarge the ecological bed scope of application of submergence type to satisfy submerged plant growth to the transparency needs according to the depth of water and water quality; The convenient microbial biomass that increases at any time of pullable microorganism bed is strengthened the ecological bed purifying water quality of submergence type by the human intervention self purification of water body; Utilize submerged plant-microorganism mutualism effect purifying eutrophication water body, effect is better than independent use submerged plant or microorganism.
When causing restoration of the ecosystem to be difficult to carry out, can strengthen the ecological bed effect that purifies water of submergence type when seriously polluted by the ecological bed bottom of submergence type micro-pore aeration; The bottom anchoring device can prevent that the body from moving with current, makes that submergence type is ecological bed normally to be used in the big waters of stormy waves such as He Hu, reservoir; The ecological bed bed of submergence type body Material Strength is bigger, has stronger anti-current-rush ability, and applied widely, cost and running cost are very low, repair the effective and instant effect of water quality, are a kind of water technologies of simple and flexible.
Under different condition of water quality, adhere to the reasonably combined of different media (azotobacter, organic matter degradation bacteria and adsorption medium etc.) and upper strata submerged plant by lower floor's carrier, make up dissimilar pollutant purifications unit, can subdue the nutrition load, not influence ecoscape not only or but also can reach the purpose of improving and beautifying the environment.
Description of drawings
Fig. 1 is embodiment 1 a pilot plant test design sketch ,-■-ammonia nitrogen concentration (mg/L) ,-●-nitric nitrogen concentration (mg/L) ,-▲-nitrite nitrogen concentration (mg/L) ,-
-total nitrogen concentration (mg/L);
Fig. 2 is embodiment 2 water body in lake cleaning test design sketchs ,-■-ammonia nitrogen concentration (mg/L) ,-●-nitric nitrogen concentration (mg/L) ,-▲-total nitrogen concentration (mg/L);
Fig. 3 is the river water body cleaning test design sketch that embodiment 3 connects the lake ,-■-COD
Mn(mg/L) ,-●-ammonia nitrogen concentration (mg/L) ,-▲-total nitrogen concentration (mg/L);
Fig. 4 is water conservation district, embodiment 4 lake water body purification test effect figure ,-■-COD
Mn(mg/L) ,-●-ammonia nitrogen concentration (mg/L) ,-▲-total nitrogen concentration (mg/L) ,-
-total phosphorus concentration (mg/L);
Fig. 5 is the ecological bed structural representation of submergence type, 1 aerating apparatus; 2 buoyancy regulating devices; 3 submerged plant beds; 4 microorganism beds; 5 solarization air caps; 6 anchoring devices.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples:
Embodiment 1
Pilot plant test, test adopt 4m * 4m * 2.5m pond as reaction vessel.All inject 25m in two equirotal ponds
3Water, it is ecological bed to put into submergence type in the pond, its framework adopts the ABS engineering plastics, the outside Fixation With Steel Wire, be of a size of 1.5m * 1m * 1m, wherein microorganism bed 4 highly is 0.2m, and 2 pullable casings are respectively established at two ends, each casing is of a size of 0.5m * 0.5m * 0.2m, and submerged plant bed 3 highly is 0.8 meter.Two ecological bed submerged plant beds 3 of submergence type are all placed waterweed 1kg, the ecological bed microorganism bed 4 of one of them submergence type is placed the 1.5kg carrier, load indigenous nitrogen-cycle bacteria on the carrier (comprise Ammonifying bacteria, nitrite bacteria, nitrobacteria, reach denitrifying bacterium), another one is not placed any material to contrast, other establishes aerating apparatus 1 as stand-by plant (the energy-efficient micro-pore aeration system XD-40 of emerging moral), regulates the ecological bed submergence depth of submergence type by Benthos 2040 P series glass ball floats.
System constructing well after, add artificial distribution with ammonium sulfate and SODIUMNITRATE preparation, make that ammonia nitrogen concentration and the nitric nitrogen concentration in the system reaches respectively about 1.0mg/L and 0.5mg/L.In system, add simultaneously glucose to replenish proper amount of carbon source.From the water inlet every day water sampling, detect NH wherein
4 +-N, NO
2 --N, NO
3 -Water-quality guideline such as-N, total nitrogen.
Behind the 11d, system is respectively 84%, 67.3%, 76.9% to the clearance of ammonia nitrogen, nitric nitrogen, total nitrogen.
Test in the lake, pollute mainly from pollution of area source the lake region, for example the sanitary sewage of aquaculture blowdown such as fish and lake region resident discharging.
The ecological bed framework of submergence type adopts the ABS engineering plastics, and Fixation With Steel Wire is used in the outside, is of a size of 4m * 2m * 1.5m, wherein microorganism bed 4 highly is 0.2m, 4 pullable casings are respectively established at two ends, and each casing is of a size of 1m * 1m * 0.2m, and submerged plant bed 3 highly is 1.3 meters.Because water body in lake water quality is not heavily contaminated water quality, do not influence restoration of the ecosystem and carry out, so aerating apparatus 1 (the energy-efficient micro-pore aeration system XD-40 of emerging moral) is a stand-by plant.Submerged plant bed 3 is placed waterweed at random, hornwort, black algae and water caltrop (weight in wet base is 10kg altogether), microorganism bed 4 is placed 8~10kg carrier, the load indigenous nitrogen-cycle bacteria (comprises Ammonifying bacteria on the carrier, nitrite bacteria, nitrobacteria, and denitrifying bacterium), the cement anchoring device 6 of heavy 5kg is fastened at four angles, the ecological bed bottom of submergence type respectively, cement anchoring device 6 be connected by nylon rope between submergence type is ecological bed, regulate buoyancy regulating device 2 (Benthos 2040 P series glass ball floats), make submergence depth satisfy the submerged plant normal growth, a hyperphoric week about in addition carrier increases microbe density in the water.
Behind the engineering construction, water quality has obtained good improvement, and the clearance of ammonia nitrogen, nitric nitrogen, total nitrogen is respectively 54.1%, 50%, 68.9%
Test in certain river course that connects Taihu Lake, its water quality totally belongs to bad V class, and features of pollution is that dissolved oxygen content is lower based on nitrogenous nutritive salt and organic pollutant.Because the shipping function is undertaken in the river course, require the ecological bed submergence depth of submergence type influencing outside the scope of shipping, stream entering lake is generally narrower, safeguard submergence type is ecological bed with respect to big lake surface is easier, this engineering is provided with buoyancy regulating device 2 (Benthos2040 P series glass ball float) and iron block anchoring device 6, changes submergence depth by regulating buoyancy.The ecological bed employing of the submergence type of this engineering PVC framework is of a size of 2m * 1.5m * 1.5m, wherein bottom aerated conduit diameter 0.1m, microorganism bed 4 high 0.2m, 2 pullable casings are respectively established at two ends, and each casing is of a size of 1m * 0.75m * 0.2m, and submerged plant bed 3 highly is 1.2 meters.Microorganism bed 4 is placed the 5kg carrier, load indigenous nitrogen-cycle bacteria on the carrier (comprise Ammonifying bacteria, nitrite bacteria, nitrobacteria, reach denitrifying bacterium).The iron block anchoring device 6 of heavy 5kg is fastened at four angles, the ecological bed bottom of submergence type respectively, iron block anchoring device 6 be connected by nylon rope between submergence type is ecological bed.
When engineering comes into effect, because the water body blackout is smelly, submerged plant is difficult to survival, earlier ecological bed being placed near the bank boat of submergence type involved less position, (the energy-efficient micro-pore aeration system XD-40 of emerging moral) carries out micro-pore aeration by the ecological bed aerating apparatus 1 of submergence type, a hyperphoric week about fixed microorganism carrier, make microorganisms in water keep higher density, microorganism during submergence type is ecological bed progressively plays Degradation to the water pollution material, when water transparency satisfies the submerged plant growth requirement, 10~15kg water caltrop is evenly put into submerged plant bed 3.The high pollution river course is repaired in the mutualism effect of this engineering utilization submerged plant-microorganism, has solved submerged plant and has been difficult to recover this difficult problem at the high pollution water body, behind the engineering construction, the clearance of COD, NH4+, TN is respectively 60%, 48.2%, 55.7%
Test in waters, water conservation district, lake, its intake and near water quality thereof are the IV class.Broken out by the lake algal tufa and the influence of water quality deterioration, waters, protective belt aquatic vegetation degenerates serious, has huge water supply security risk.
In this engineering, because arm of lake is in the face of the spacious water surface, stormy waves is bigger, for the ecological bed bed of wind and wave resistance submergence type body adopts the hollow steel shelf structure, be of a size of 4m * 2m * 1.5m, microorganism bed 4 high 0.2m wherein, 4 pullable casings are respectively established at two ends, each casing is of a size of 1m * 1m * 0.2m, and submerged plant bed 3 highly is 1.5 meters.Because water quality does not belong to heavily contaminated lake water, not influencing restoration of the ecosystem carries out, therefore aerating apparatus 1 (the energy-efficient micro-pore aeration system XD-40 of emerging moral) is a stand-by plant, place the 10kg carrier in the microorganism bed 4, load indigenous nitrogen-cycle bacteria on the carrier (comprise Ammonifying bacteria, nitrite bacteria, nitrobacteria, reach denitrifying bacterium), a hyperphoric weekly carrier, submerged plant bed 3 is placed 15~20kg waterweed, hornwort, black algae and p.malaianus at random, and the iron block anchoring device 6 of heavy 10kg is fastened at four angles, the ecological bed bottom of submergence type respectively.In time regulate buoyancy regulating device 2 (Benthos 2040 P series glass ball floats) according to water quality situation and transparency, make submerged plant continuous purifying eutrophication water body under the normal growth situation, behind the engineering construction, COD
Mn, ammonia nitrogen, total nitrogen, total phosphorus clearance be respectively 58.1%, 69%, 62.2%, 79.4%.
Claims (5)
1. the submergence type of a purifying eutrophication water body is ecological bed, comprise buoyancy regulating device (2), anchoring device (6), it is characterized in that also comprising submerged plant bed (3), microorganism bed (4), wherein the ecological bed top of submergence type is submerged plant bed (3), the bottom is microorganism bed (4), the ecological bed top of submergence type is buoyancy regulating device (2), and the bottom is anchoring device (6).
2. the submergence type of purifying eutrophication water body according to claim 1 is ecological bed, it is characterized in that microorganism bed (4) bottom installation micropore aeration pipe (5).
3. the submergence type of purifying eutrophication water body according to claim 2 is ecological bed, the aspect ratio that it is characterized in that submerged plant bed (3) and microorganism bed (4) is between 1~10, wherein submerged plant bed (3) is a single layer structure, and microorganism bed (4) is provided with a plurality of removable type casings according to the ecological bed size of submergence type.
4. ecological bed according to the submergence type of claim 1 or 2 or 3 described purifying eutrophication water bodies, it is characterized in that being provided with standby aerating apparatus (1).
5. the ecological bed application in the control of lake water environment pollution of the submergence type of a purifying eutrophication water body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910034673A CN101691257A (en) | 2009-09-07 | 2009-09-07 | Submerged ecological bed for purifying eutrophic waterbody and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910034673A CN101691257A (en) | 2009-09-07 | 2009-09-07 | Submerged ecological bed for purifying eutrophic waterbody and application thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101691257A true CN101691257A (en) | 2010-04-07 |
Family
ID=42079995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910034673A Pending CN101691257A (en) | 2009-09-07 | 2009-09-07 | Submerged ecological bed for purifying eutrophic waterbody and application thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101691257A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102161531A (en) * | 2011-06-02 | 2011-08-24 | 南京师范大学 | Device for purifying eutrophic water body |
CN104030430A (en) * | 2013-03-08 | 2014-09-10 | 昆山瀚潮环保科技有限公司 | Water eutrophication alleviation method |
CN105540858A (en) * | 2016-01-06 | 2016-05-04 | 中国科学院南京地理与湖泊研究所 | System and method for improving black and odorous riverway water quality through micro-aeration and submerged plants |
CN106430596A (en) * | 2016-09-19 | 2017-02-22 | 华东师范大学 | Buoyancy-adjustable water treatment device and water purification method thereof |
CN108358397A (en) * | 2018-03-26 | 2018-08-03 | 新乡市环境保护科学设计研究院 | A kind of Multi-functional effluent treatment unit for improving the ecological environment |
CN108996605A (en) * | 2018-07-06 | 2018-12-14 | 中国科学院水生生物研究所 | It is a kind of can be from the floatation type algae-removing device and algae-removing method of master regulation |
CN110563150A (en) * | 2019-09-23 | 2019-12-13 | 广东河海工程咨询有限公司 | Biological algae removal method based on proliferation of microorganisms and zooplankton |
CN111635012A (en) * | 2020-06-23 | 2020-09-08 | 南宁师范大学 | Sewage purification treatment device based on symbiosis of aquatic plants and bacteria and algae |
CN111995058A (en) * | 2020-08-26 | 2020-11-27 | 狄璐伟 | Oxygen exposure floating island for water surface environment treatment |
CN112703915A (en) * | 2020-12-10 | 2021-04-27 | 温州大学 | Submerged plant transplanting culture device under eutrophic water body environmental condition |
CN113072187A (en) * | 2021-03-31 | 2021-07-06 | 江苏江达生态科技有限公司 | A ecological remediation module of water for view hard end fish pond |
CN113087162A (en) * | 2021-05-08 | 2021-07-09 | 无锡市太湖湖泊治理股份有限公司 | Diversified habitat system for restoring river and lake ecological system |
CN114506929A (en) * | 2022-02-18 | 2022-05-17 | 江苏环保产业技术研究院股份公司 | River water pollution treatment device and method |
CN115417504A (en) * | 2021-12-30 | 2022-12-02 | 中节能大地环境修复有限公司 | Submerged plant interplanting method for nitrogen and phosphorus removal under heavy metal stress |
CN116216874A (en) * | 2023-03-23 | 2023-06-06 | 重庆大学 | Water body restoration agent for controlling cyanobacteria bloom, preparation method and application |
-
2009
- 2009-09-07 CN CN200910034673A patent/CN101691257A/en active Pending
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102161531A (en) * | 2011-06-02 | 2011-08-24 | 南京师范大学 | Device for purifying eutrophic water body |
CN104030430A (en) * | 2013-03-08 | 2014-09-10 | 昆山瀚潮环保科技有限公司 | Water eutrophication alleviation method |
CN105540858A (en) * | 2016-01-06 | 2016-05-04 | 中国科学院南京地理与湖泊研究所 | System and method for improving black and odorous riverway water quality through micro-aeration and submerged plants |
CN105540858B (en) * | 2016-01-06 | 2018-07-06 | 中国科学院南京地理与湖泊研究所 | Improve the system and method for black-odor riverway water quality using micro- aeration and submerged plant |
CN106430596A (en) * | 2016-09-19 | 2017-02-22 | 华东师范大学 | Buoyancy-adjustable water treatment device and water purification method thereof |
CN108358397A (en) * | 2018-03-26 | 2018-08-03 | 新乡市环境保护科学设计研究院 | A kind of Multi-functional effluent treatment unit for improving the ecological environment |
CN108996605B (en) * | 2018-07-06 | 2021-07-30 | 中国科学院水生生物研究所 | Floating type algae removal device capable of being regulated and controlled independently and algae removal method |
CN108996605A (en) * | 2018-07-06 | 2018-12-14 | 中国科学院水生生物研究所 | It is a kind of can be from the floatation type algae-removing device and algae-removing method of master regulation |
CN110563150A (en) * | 2019-09-23 | 2019-12-13 | 广东河海工程咨询有限公司 | Biological algae removal method based on proliferation of microorganisms and zooplankton |
CN111635012A (en) * | 2020-06-23 | 2020-09-08 | 南宁师范大学 | Sewage purification treatment device based on symbiosis of aquatic plants and bacteria and algae |
CN111635012B (en) * | 2020-06-23 | 2024-09-20 | 南宁师范大学 | Sewage purification treatment device based on symbiotic aquatic plants and bacteria and algae |
CN111995058B (en) * | 2020-08-26 | 2022-09-13 | 江苏源泉泵业股份有限公司 | Oxygen exposure floating island for water surface environment treatment |
CN111995058A (en) * | 2020-08-26 | 2020-11-27 | 狄璐伟 | Oxygen exposure floating island for water surface environment treatment |
CN112703915A (en) * | 2020-12-10 | 2021-04-27 | 温州大学 | Submerged plant transplanting culture device under eutrophic water body environmental condition |
CN113072187A (en) * | 2021-03-31 | 2021-07-06 | 江苏江达生态科技有限公司 | A ecological remediation module of water for view hard end fish pond |
CN113087162A (en) * | 2021-05-08 | 2021-07-09 | 无锡市太湖湖泊治理股份有限公司 | Diversified habitat system for restoring river and lake ecological system |
CN115417504A (en) * | 2021-12-30 | 2022-12-02 | 中节能大地环境修复有限公司 | Submerged plant interplanting method for nitrogen and phosphorus removal under heavy metal stress |
CN114506929A (en) * | 2022-02-18 | 2022-05-17 | 江苏环保产业技术研究院股份公司 | River water pollution treatment device and method |
CN116216874A (en) * | 2023-03-23 | 2023-06-06 | 重庆大学 | Water body restoration agent for controlling cyanobacteria bloom, preparation method and application |
CN116216874B (en) * | 2023-03-23 | 2024-04-30 | 重庆大学 | Water body restoration agent for controlling cyanobacteria bloom, preparation method and application |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101691257A (en) | Submerged ecological bed for purifying eutrophic waterbody and application thereof | |
CN110803827B (en) | Bacteria and algae filler reinforced combined type ecological floating bed and water quality purification method thereof | |
Stewart et al. | Floating islands as an alternative to constructed wetlands for treatment of excess nutrients from agricultural and municipal wastes–results of laboratory-scale tests | |
CN100378272C (en) | Stereo in-situ ecological urban water system repairing process | |
AU2017413373B2 (en) | Method and device for bioremediation of water body | |
CN103739082B (en) | The system of artificial flowing aeration coupled biological film floating bed purifying eutrophication water body | |
CN101691547B (en) | Method for restoring micro-scale polluted reservoir water by using situ bio-contact oxidation | |
CN204324990U (en) | Be applicable to the multi-stage biological filter tank-ecological pond purification system into lake landscape water body | |
CN102674556A (en) | Composite ecological floating bed for providing biotope | |
CN105585223B (en) | A kind of freshwater aquiculture waste water advanced treatment recovery system and method | |
CN103420544B (en) | In-situ water repair method for clean aquaculture | |
Billore et al. | Treatment performance of artificial floating reed beds in an experimental mesocosm to improve the water quality of river Kshipra | |
CN102249400B (en) | Device for ecologically restoring natural water body in situ | |
CN107324499A (en) | A kind of multifunctional ecological chinampa purified for landscape water body | |
CN109264864A (en) | A kind of " main-auxiliary " activated sludge process coupling deodorization and intensified denitrification and dephosphorization | |
CN103265145B (en) | Method for purifying river water with low load and low temperature by using natural biofilm reactor | |
CN102010071A (en) | Combined high-efficiency river water quality purification process | |
CN107162199B (en) | Energy-saving ecological resource recovery type ecological restoration integrated system and application thereof | |
CN103991963A (en) | Integrated floating water body purification device | |
CN110092475A (en) | A kind of iron-carbon micro-electrolysis coupling submerged plant module and its application | |
CN203256023U (en) | Tail water deep processing aeration-type ecological floating island with bamboo filament filler substrate | |
CN104150599A (en) | Terrestrial plants and microorganisms combined biological floating island | |
CN201040726Y (en) | Drift type multifunctional water purifying apparatus | |
CN208292736U (en) | A kind of comprehensive purifying processing system suitable for city black-odor riverway | |
Hong et al. | Study on the Efficiency Treatment of Polluted Water by Biofilm Process Filled with Bamboo Filler |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100407 |