CN109607968A - A kind of ecological riverway system of hydraulic engineering - Google Patents
A kind of ecological riverway system of hydraulic engineering Download PDFInfo
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- CN109607968A CN109607968A CN201910028242.4A CN201910028242A CN109607968A CN 109607968 A CN109607968 A CN 109607968A CN 201910028242 A CN201910028242 A CN 201910028242A CN 109607968 A CN109607968 A CN 109607968A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 244000005700 microbiome Species 0.000 claims abstract description 41
- 238000001179 sorption measurement Methods 0.000 claims abstract description 35
- 238000001556 precipitation Methods 0.000 claims abstract description 28
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 239000003463 adsorbent Substances 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000004132 cross linking Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 11
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000000855 fermentation Methods 0.000 claims description 10
- 230000004151 fermentation Effects 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 241000894006 Bacteria Species 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 241000108664 Nitrobacteria Species 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 6
- 235000019738 Limestone Nutrition 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000006028 limestone Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 241000193755 Bacillus cereus Species 0.000 claims description 5
- 229920002367 Polyisobutene Polymers 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000000052 comparative effect Effects 0.000 description 16
- 239000003344 environmental pollutant Substances 0.000 description 14
- 231100000719 pollutant Toxicity 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 239000010865 sewage Substances 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 238000011109 contamination Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000003403 water pollutant Substances 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- DMGNFLJBACZMRM-UHFFFAOYSA-N O[P] Chemical compound O[P] DMGNFLJBACZMRM-UHFFFAOYSA-N 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of ecological riverway systems of hydraulic engineering, including river, the side of river upstream is equipped with the first flume, the water inlet end of first flume is connected to river, and water outlet is communicated with adsorption precipitation pond, and the water outlet in adsorption precipitation pond is communicated with collecting-tank, the water outlet of collecting-tank is communicated with artificial swamp by pipeline, the water outlet of artificial swamp is provided with the second flume, and the water outlet of the second flume is connected to river, and the water outlet of the second flume is located at the upstream of the first flume；River is located at interleaved on the two sidewalls at the first flume downstream and is provided with multiple microorganism fixed cases.Present invention process is simple, and do not need consumption power, can either purifying water body, and be able to maintain that river channel ecology balance, have wide application prospect.
Description
Technical field
The invention belongs to river water quality Treatment process fields, and in particular to a kind of ecological riverway system of hydraulic engineering.
Background technique
In construction process, designer often only focuses on the safety and water money of engineering in the river of most of hydraulic engineerings
The convenience of source allotment, and ignore the importance for maintaining river naturally state.Since river is often used as municipal pollution
The blowdown place of object, as treated for municipal sewage plant, sewage can be discharged into river, meeting after certain plant produced wastewater treatments
It is discharged into river, agricultural run-off can also be discharged into river, and the water body in these sources enters river, inevitably will affect river channel ecology
The balance of system, What is more, and the production waste water of some factories may stealthily be discharged into river in the case where no processing is up to standard,
To make river channel ecology system seriously be destroyed, over time, river will become black-odor riverway.
The river of hydraulic engineering at present does not account for the above problem substantially in construction process, therefore, usually waits until
There is the problem of having to handle in river, as eutrophication, it is black smelly the problems such as when just will do it centralized processing, but this when
It the ecosystem in river and is destroyed completely, the difficulty dealt with is big, and cost is also high, therefore, it is necessary in river
Some water pollution treatment facilities are arranged in construction process in road, it is made to play the effect of pollutant process for a long time, lasting to maintain
The balance of river channel ecology system.
Summary of the invention
The present invention provides a kind of ecological riverway system of hydraulic engineering, solves hydraulic engineering river in the prior art and build
If when do not account for the processing problem for being discharged into the pollutant in river, so as to cause exist destroy river channel ecology equilibrium problem it is hidden
Suffer from.
The present invention provides a kind of ecological riverway system of hydraulic engineering, including river, the side of the river upstream is set
There is the first flume, the water inlet end of first flume is connected to the river, and water outlet is communicated with adsorption precipitation pond, described
The water outlet in adsorption precipitation pond is communicated with collecting-tank, and the water outlet of the collecting-tank is communicated with artificial swamp by pipeline, described
The water outlet of artificial swamp is provided with the second flume, and the water outlet of second flume is connected to the river, and described
The water outlet of second flume is located at the upstream of first flume；
The river is located at interleaved on the two sidewalls at first flume downstream, and to be provided with multiple microorganisms solid
Determine case.
Preferably, first flume is connected to by the first outlet pipe with the river, first outlet pipe into
Water end (W.E.) is located at the river dry season lowest water level.
Preferably, multiple adsorbent fixed cases, the suction are equipped with along water (flow) direction longitudinal gap in the adsorption precipitation pond
Adsorbent is provided in attached dose of fixed case；
The water outlet side wall in the adsorption precipitation pond is web plate, and water outlet passes through the water outlet end side in the adsorption precipitation pond
Wall enters the collecting-tank.
Preferably, the adsorbent is mixed by active carbon and modification infusorial earth according to the mass ratio of 5:1.
Preferably, the modification infusorial earth the preparation method is as follows:
Diatomite, hydroxyapatite are put into ball mill according to the mass ratio of 10:1 after mixing, added into ball mill
Enter the water with quality such as diatomite, the slurry that fineness is 100 mesh is obtained after grinding；
It is added into slurry and is equivalent to the phosphor resources powder of hydroxyapatite weight 1/5 and is equivalent to hydroxy-apatite
The more succimides of the polyisobutene of stone weight 1/15, are dried after mixing, and dry finish is placed in medium temperature tube furnace, in
2h is fired at 600 DEG C, is crushed, is pelletized to get the modification infusorial earth is arrived after firing.
Preferably, soil horizon, lime stone haydite layer and boulder bed are successively arranged in the artificial swamp from top to bottom, it is described
Kind it is implanted with water plant in soil horizon, the lower end of the boulder bed is equipped with the second outlet pipe, second outlet pipe and described the
The connection of two flumes.
Preferably, the microorganism fixed case by netted cabinet and is filled in the micro- life of the intracorporal immobilization of netted case
Object composition.
Preferably, the immobilized microorganism preparation method is as follows:
Polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron are uniformly mixed, composite bacteria agent is then charged with, is stirred evenly, is obtained
Mixture；Wherein, polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron, composite bacteria agent amount ratio be 5ml:10mg:2 μ g:1mg；
The saturation boric acid solution for being equivalent to polyvinyl alcohol volumetric usage 1/4 is added into mixture, and crosslinking is anti-at 5 DEG C
Should be dry after crosslinking for 24 hours, obtain cross-linking products；
Cross-linking products and fine sand are obtained into the immobilized microorganism according to the mass ratio of 1:10 after mixing.
Preferably, the composite bacteria agent is sent out by P. aeruginosa fermented liquid, bacillus cereus fermentation liquid, nitrobacteria
Zymotic fluid is mixed according to the mass ratio of 2:1:1.
Compared with prior art, the beneficial effects of the present invention are:
1) the ecological riverway system of hydraulic engineering of the present invention is arranged the first flume and adsorbs the introducing of pollution of river water section
It is handled in sedimentation basin and artificial swamp, is removed pollutant most in water body using the strong adsorbent of adsorption effect
It removes, treated, and sewage enters back into artificial swamp progress advanced treating, makes water body purification, purified water body flows back into river
It is interior, sewage in river is diluted, the sewage after dilution is entered back into adsorption precipitation pond and artificial swamp and handled, successively
Circulation, treatment effeciency are high.
2) microorganism fixed case is arranged for handling remaining dirt in river after above-mentioned be disposed in the present invention in river
Object is contaminated, purifies river water body further, mitigates river water body from net pressure, and then keeps river channel ecology balance.
3) present invention process is simple, and does not need consumption power, can either purifying water body, and be able to maintain that river channel ecology is flat
Weighing apparatus, has wide application prospect.
Detailed description of the invention
Fig. 1 is the top view of the ecological riverway system of hydraulic engineering of the present invention；
Fig. 2 is the structural schematic diagram in adsorption precipitation pond in the ecological riverway system of hydraulic engineering of the present invention；
Fig. 3 is the structural schematic diagram of artificial swamp in the ecological riverway system of hydraulic engineering of the present invention.
Description of symbols:
The river 1-, the first flume of 2-, 3- adsorption precipitation pond, 4- collecting-tank, 5- pipeline, 6- artificial swamp, 7- second draw
Water channel, 8- microorganism fixed case, 9- adsorbent fixed case, the water outlet 10- side wall, 11- soil horizon, 12- lime stone haydite layer,
13- boulder bed.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, below with reference to specific
The invention will be further described for embodiment and attached drawing, but illustrated embodiment is not as a limitation of the invention.
It should be noted that active carbon used in the embodiment of the present invention is active fruit shell carbon, buy from Gongyi City's star
Source water-purifying material Co., Ltd；In embodiment pseudomonas aeruginosa, Bacillus cercus and nitrobacteria strain used be
The existing strain that Microbiological Culture Collection administrative center is commercially available, is not related to the exploitation of novel bacterial, and it is existing to pertain only to these types
The application of bacterial strain.Also, pseudomonas aeruginosa as used in the following examples is purchased from China typical culture collection center, preservation
Number is CCTCC NO:M 2015197；Bacillus cercus is specially that China Committee for Culture Collection of Microorganisms is commonly micro-
Bio-Centers deposit number is the bacterial strain of CGMCC NO.7313；Nitrobacteria is specially Chinese microorganism strain preservation management committee
The bacterial strain that member's meeting common micro-organisms center deposit number is CGMCC NO.8397；Experimental method described in following each embodiments, such as
It is conventional method without specified otherwise.
P. aeruginosa fermented liquid, bacillus cereus fermentation liquid, nitrobacteria fermentation liquid are to use in embodiment
Conventional method expands culture and obtains bacterium solution or commercially available zymocyte liquid.
The present invention carries out experimental study, survey region south to riverfront road, north to source in Kaifeng East City Moat.
Embodiment 1
A kind of ecological riverway system of hydraulic engineering, specifically as shown in Figure 1-3, including river 1, the side of 1 upstream of river
Equipped with the first flume 2, the first flume 2 is set to the downstream of Drain contamination for river channel mouth, facilitates and introduces polluted river channel water flow at sewage
Reason facility is handled.
The water inlet end of first flume 2 is connected to river 1, and water outlet is communicated with adsorption precipitation pond 3, i.e. the first flume 2
Partial contamination water in river is introduced in adsorption precipitation pond 3 and carries out adsorption treatment.Under normal circumstances, the first flume 2 is designed
The water flow of interior extraction is the 1/10 of urban river water flow.
Adsorption precipitation pond 3 is the pond body excavated on ground, and pond body inner wall has cement to be built into, and pond body length is 300m, wide
Degree is 30m, depth 2m, and adsorption precipitation pond 3 is interior to be longitudinally equidistantly equipped at intervals with 10 adsorbent fixed cases 9 along water (flow) direction,
The side of adsorbent fixed case 9 is connect with the inner wall of 3 side of adsorption precipitation pond, and the other side is interior with 3 other side of adsorption precipitation pond
Wall connection, and adsorbent fixed case 9 fills full adsorbent with a thickness of 0.5m, in adsorbent fixed case 9；Adsorbent is by active carbon
Mixed with modification infusorial earth according to the mass ratio of 5:1, wherein modification infusorial earth the preparation method is as follows:
Diatomite, hydroxyapatite are put into ball mill according to the mass ratio of 10:1 after mixing, added into ball mill
Enter the water with quality such as diatomite, the slurry that fineness is 100 mesh is obtained after grinding；
It is added into slurry and is equivalent to the phosphor resources powder of hydroxyapatite weight 1/5 and is equivalent to hydroxy-apatite
The more succimides of the polyisobutene of stone weight 1/15 are dried after mixing to moisture content and are lower than 5%, and dry finish is placed on
In medium temperature tube furnace, 2h is fired at 600 DEG C, is crushed, is pelletized to get modification infusorial earth is arrived after firing.
There is very strong caking property after the fusing of phosphor resources powder metallurgy, diatomite, hydroxyapatite can be bonded
Closely, the more succimides of polyisobutene can make phosphor resources powder diatomite, hydroxyapatite mixture in
It is uniformly dispersed；When temperature rises to 600 DEG C or more, phosphor resources powder metallurgy decomposes volatilization, thus in diatomite, hydroxyl phosphorus
A large amount of holes are generated inside lime stone mixture, these gaps can efficiently combine the microorganism in water body, be carried on it securely
In gap, and then degrade to pollutant.
The active carbon used in the present invention is the active carbon of biomass, can either adsorb a large amount of organic pollutant, is adsorbed
Pollutant part be modified the microbial degradation loaded on diatomite, while the active carbon of biomass also being capable of absorption carriage one
Quantitative microorganism is used for the degradation of pollutant, additionally it is possible to adsorb nutriment for needed for microorganism growth.Therefore, modified diatom
The setting of soil can delay the adsorption saturation time of active carbon, and extend active carbon uses the time.
In the present invention, adsorbent is fixed in adsorbent fixed case 9, and the volume of adsorbent fixed case 9 is 5m3, adsorbent
9 longitudinal gap of fixed case is arranged in adsorption precipitation pond 3, and this setup mainly makes to adsorb using the dynamic flowing of water flow
Agent and pollutant Dynamic Adsorption do not need to provide power-equipment stirring to improve adsorption efficiency.
It should be noted that active carbon and modification infusorial earth are graininess, and partial size is 2-3mm, absorption in the present invention
The aperture of agent fixed case 9 is less than 2mm and does not flow with water body flow so that adsorbent be made to be capable of fixing in adsorbent fixed case 9
It loses.
The water outlet side wall 10 in adsorption precipitation pond 3 is web plate, and water outlet is entered by water outlet side wall 10 in adsorption precipitation pond 3
Collecting-tank 4, collecting-tank 4 is used to collect the water outlet in adsorption precipitation pond 3, convenient to be transported in artificial swamp 6 by pipeline 5.
And in the present invention, adsorption precipitation pond 3 and collecting-tank 4 are integrated device, separate only by water outlet side wall 10.
The water outlet of collecting-tank 4 is communicated with artificial swamp 6 by pipeline 5, and the overall length of artificial swamp 6 is 13.5km, width
For 25m, mean depth 1.5m.Soil horizon 11, lime stone haydite layer 12 and cobble are successively arranged in artificial swamp 6 from top to bottom
Layer 13, interior kind of soil horizon 11 is implanted with water plant, and the lower end of boulder bed 13 is equipped with the second outlet pipe, and the second outlet pipe draws with second
Water channel 7 is connected to.Adsorption precipitation pond 3 can be removed into some of the contaminants in river water body therein, the dirt not being removed
Dye object enters artificial swamp 6 with water flow and continues with.The water plant planted in soil horizon 11 can absorb organic in water body
Object and nitrogen and phosphorus element, lime stone haydite layer 12 have good adsorption of nitrogen phosphorus effect, after the processing of artificial swamp 6, water
Physical efficiency accesses further purification, and purified water body enters the boulder bed 13 of lower layer, after the filtering of boulder bed 13, is discharged into people
In second flume 7 of 6 water outlet of work wetland setting.
The water outlet of second flume 7 is connected to river 1, and the water outlet of the second flume 7 is located at the first flume 2
Upstream；Second flume 7 is used to return to the water outlet of artificial swamp 6 in river 1, and is to return to the first flume 2
Upstream can be diluted the water body for entering adsorption precipitation pond 3, reduce influent concentration and be conducive to reduce processing load
Efficient process.
River 1 is located at interleaved on the two sidewalls at 2 downstream of the first flume and is provided with multiple microorganism fixed cases 8,
At least the height of half is located at river 1 dry season lowest water level each microorganism fixed case 8, to guarantee that microorganism is solid
Determining case 8 being capable of long-term role.
Microorganism fixed case 8 is by netted cabinet and is filled in the intracorporal immobilized microorganism of netted case and forms, wherein Gu
Surely it is as follows to change microorganism preparation method:
Polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron are uniformly mixed, composite bacteria agent is then charged with, is stirred evenly, is obtained
Mixture；Wherein, polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron, composite bacteria agent amount ratio be 5ml:10mg:2 μ g:1mg；
The saturation boric acid solution for being equivalent to polyvinyl alcohol volumetric usage 1/4 is added into mixture, and crosslinking is anti-at 5 DEG C
In being dried at 25-30 DEG C in low temperature drying case to moisture content lower than 5% after crosslinking, cross-linking products should be obtained for 24 hours；
Cross-linking products and fine sand are obtained into the immobilized microorganism according to the mass ratio of 1:10 after mixing.It is compound
Microbial inoculum is mixed by P. aeruginosa fermented liquid, bacillus cereus fermentation liquid, nitrobacteria fermentation liquid according to the mass ratio of 2:1:1
It closes.
In the present invention, after the processing of artificial swamp 6, water pollutant has obtained significantly handling, but due to
Into the only part water body of sewage-treatment plant, therefore, still some water body is present in river water body, this part
The concentration of pollutant is comparatively less big, can handle by self-purification of waters, it is contemplated that self-purification of water process is more slow
Slowly, it is excessive and sometimes to there is pollutant concentration of the discharge of pollutant sources into water body, even if being arranged by sewage treatment of the present invention
Water pollutant concentration is still higher after processing, and therefore, the present invention is located at the two sidewalls at 2 downstream of the first flume in river 1
Upper interleaved is provided with multiple microorganism fixed cases 8, the slip casting on 1 side wall of the river of fixation of microbe fixed case 8, and slip casting is complete
Soil-nailed is used after finishing, it is then by holdfast that microorganism fixed case 8 and 1 side wall of river is affixed again.
Immobilized microorganism is provided in microorganism fixed case 8, immobilized microorganism is made of embedding techniques, and is made
Immobilized microorganism in also contain Zero-valent Iron, Zero-valent Iron can be reduced using its reproducibility heavy metal valence state or degradation it is organic
Object, so that the migration or toxicity of pollutant are reduced, microorganism such as P. aeruginosa fermented liquid, bacillus cereus fermentation
Liquid, nitrobacteria fermentation liquid can be good at degrade COD and ammonia nitrogen, therefore, setting 1 two sides of river can to water body into
Row processing well.
In the present invention, the aperture of microorganism fixed case 8 is less than 0.25mm, and the partial size of cross-linking products and fine sand is all larger than
0.25mm, and setting distance of the microorganism fixed case 8 in water body is 1000m, the ipsilateral two adjacent microorganisms in river 1 are fixed
The distance between case 8 is 50m.
In the present invention, the first flume 2 is connected to by the first outlet pipe with river 1, and the water inlet end of the first outlet pipe is located at
At river 1 dry season lowest water level, even dry season, the adsorption precipitation pond 3 and artificial swamp 6 that the present invention is arranged still can
It is enough to operate normally, keep river water body clean, and then maintain river channel ecology system balancing.
In order to verify effect of the invention, the present invention is provided with comparative example, specific as follows.
Comparative example 1
The ecological riverway system of hydraulic engineering is with embodiment 1, the difference is that in the adsorbent fixed case 9 of comparative example 1
The adsorbent of filling is the active fruit shell carbon in embodiment 1.
Comparative example 2
The ecological riverway system of hydraulic engineering is with embodiment 1, the difference is that not setting in comparative example 2 in 1 two sides of river
Set microorganism fixed case 8.
Comparative example 3
The ecological riverway system of hydraulic engineering is with embodiment 1, the difference is that in the adsorbent fixed case 9 of comparative example 3
The adsorbent of filling is the active fruit shell carbon in embodiment 1, and is not provided with microorganism fixed case in 1 two sides of river in comparative example 3
8。
The ecological riverway system of the hydraulic engineering of embodiment 1 and comparative example 1-3 is arranged before operation in river two sides downstream
Last 1 microorganism fixed case, 8 downstream 50m at water sampling detect every contamination index, then at river two sides after operation 30 days
Water sampling detects every contamination index, concrete outcome such as table 1-3 at last 1 microorganism fixed case, the 8 downstream 50m of downstream setting
It is shown.
Contamination index's testing result before 1 system of table is run
Contamination index testing result of 2 system of table after operation 30 days
Each contamination index's removal rate after the operation of 3 system of table 30 days
| Project | COD | BOD | Ammonia nitrogen | Total phosphorus |
| Embodiment 1 | 74.94% | 82.17% | 81.01% | 76.12% |
| Comparative example 1 | 62.14% | 69.63% | 61.00% | 45.35% |
| Comparative example 2 | 68.32% | 73.17% | 64.99% | 63.17% |
| Comparative example 3 | 38.78% | 41.71% | 46.01% | 32.20% |
It is more preferable to the removal effect of pollutant every in river water body to can be seen that embodiment 1 from table 1-3, comparative example 1 by
It is handled in only with active fruit shell carbon as adsorbent, on the one hand to the absorption of organic matter, especially nitrogen and phosphorus pollutants
Effect is limited, and most importantly it is easy adsorption saturation, needs to be replaced frequently adsorbent；River two sides are not set in comparative example 2
Microorganism fixed case is set, early period, absorption phase can remove a large amount of organic matter and ammonia nitrogen, so the later period does not have microorganism to fix
The advanced treating of microorganism in case, the removal effect of pollutant is not as good as embodiment 1；Comparative example 3, which is equivalent to, only have passed through common suction
Attached dose of absorption and artificial wetland treatment, thus its there are drawbacks present in comparative example 1, while advanced treating effect is also poor,
Therefore overall treatment effect is undesirable.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within be also intended to include these modifications and variations.
Claims (9)
1. a kind of ecological riverway system of hydraulic engineering, which is characterized in that including river (1), the side of river (1) upstream
Equipped with the first flume (2), the water inlet end of first flume (2) is connected to the river (1), and water outlet is communicated with absorption
The water outlet of sedimentation basin (3), the adsorption precipitation pond (3) is communicated with collecting-tank (4), and the water outlet of the collecting-tank (4) passes through
Pipeline (5) is communicated with artificial swamp (6), and the water outlet of the artificial swamp (6) is provided with the second flume (7), and described second
The water outlet of flume (7) is connected to the river (1), and the water outlet of second flume (7) is located at described first and draws
The upstream of water channel (2)；
The river (1) is located at interleaved on the two sidewalls at the first flume (2) downstream and is provided with multiple microorganisms
Fixed case (8).
2. the ecological riverway system of hydraulic engineering according to claim 1, which is characterized in that first flume (2)
It is connected to by the first outlet pipe with the river (1), the water inlet end of first outlet pipe is located at the river (1) dry season most
At low water level.
3. the ecological riverway system of hydraulic engineering according to claim 1, which is characterized in that the adsorption precipitation pond (3)
It is interior to be equipped with multiple adsorbent fixed cases (9) along water (flow) direction longitudinal gap, absorption is provided in the adsorbent fixed case (9)
Agent；
The water outlet side wall (10) of the adsorption precipitation pond (3) is web plate, and water outlet goes out described in the adsorption precipitation pond (3)
Water end (W.E.) side wall (10) enters the collecting-tank (4).
4. the ecological riverway system of hydraulic engineering according to claim 3, which is characterized in that the adsorbent is by active carbon
It is mixed with modification infusorial earth according to the mass ratio of 5:1.
5. the ecological riverway system of hydraulic engineering according to claim 4, which is characterized in that the system of the modification infusorial earth
Preparation Method is as follows:
Diatomite, hydroxyapatite are put into ball mill according to the mass ratio of 10:1 after mixing, into ball mill be added with
The water of the quality such as diatomite obtains the slurry that fineness is 100 mesh after grinding；
It is added into slurry and is equivalent to the phosphor resources powder of hydroxyapatite weight 1/5 and is equivalent to hydroxyapatite weight
The more succimides of polyisobutene of amount 1/15, are dried after mixing, and dry finish is placed in medium temperature tube furnace, in 600
2h is fired at DEG C, is crushed, is pelletized to get the modification infusorial earth is arrived after firing.
6. the ecological riverway system of hydraulic engineering according to claim 1, which is characterized in that in the artificial swamp (6)
It is successively arranged soil horizon (11), lime stone haydite layer (12) and boulder bed (13), plantation in the soil horizon (11) from top to bottom
There is water plant, the lower end of the boulder bed (13) is equipped with the second outlet pipe, second outlet pipe and second flume
(7) it is connected to.
7. the ecological riverway system of hydraulic engineering according to claim 1, which is characterized in that the microorganism fixed case
(8) it by netted cabinet and is filled in the intracorporal immobilized microorganism of netted case and forms.
8. the ecological riverway system of hydraulic engineering according to claim 7, which is characterized in that the immobilized microorganism
The preparation method is as follows:
Polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron are uniformly mixed, composite bacteria agent is then charged with, is stirred evenly, is mixed
Object；Wherein, polyvinyl alcohol, bamboo charcoal powder, Zero-valent Iron, composite bacteria agent amount ratio be 5ml:10mg:2 μ g:1mg；
The saturation boric acid solution for being equivalent to polyvinyl alcohol volumetric usage 1/4, and cross-linking reaction at 5 DEG C are added into mixture
For 24 hours, dry after crosslinking, obtain cross-linking products；
Cross-linking products and fine sand are obtained into the immobilized microorganism according to the mass ratio of 1:10 after mixing.
9. the ecological riverway system of hydraulic engineering according to claim 8, which is characterized in that the composite bacteria agent is by verdigris
Pseudomonad fermentation liquid, bacillus cereus fermentation liquid, nitrobacteria fermentation liquid are mixed according to the mass ratio of 2:1:1.
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| CN114524591A (en) * | 2022-03-14 | 2022-05-24 | 中国科学院生态环境研究中心 | Constructed wetland device with heat preservation effect |
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