CN108439602A - A kind of artificial floating island design of subregion denitrogenation - Google Patents
A kind of artificial floating island design of subregion denitrogenation Download PDFInfo
- Publication number
- CN108439602A CN108439602A CN201810213436.7A CN201810213436A CN108439602A CN 108439602 A CN108439602 A CN 108439602A CN 201810213436 A CN201810213436 A CN 201810213436A CN 108439602 A CN108439602 A CN 108439602A
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- stainless steel
- carbon fibre
- steel insert
- floating island
- subregion
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of designs of the artificial floating island of subregion denitrogenation comprising stainless steel insert, carbon fibre filler, aerating system, monitor control system, medicine system, solar electric power supply system and polyethylene floating drum；The stainless steel tube as medicament point of release and oxygen point of release of layered structure is welded on four feet of the stainless steel insert；Medicine system, monitor control system, aerating system and solar electric power supply system are disposed on the stainless steel insert, the stainless steel insert underhung carbon fibre filler, the carbon fibre filler underhung counterweight is additionally provided with dosing, monitoring multiple tube and dissolved oxygen, pH value monitoring pipe on the stainless steel insert.The present invention regulates and controls water body environment in time by monitor control system, to provide suitable living environment for the microorganism in water, outside plus under the promotion of biological agent, accelerates the formation of biomembrane on bionic aquatic weed, to effectively be removed to water pollutant.
Description
Technical field
The invention belongs to river based technique for in-situ remediation fields, and in particular to a kind of artificial floating island design of subregion denitrogenation.
Background technology
With China's expanding economy, the quality of water environment such as China river, lake decline at present is serious, and water resource deteriorates not
Aquatic ecosystem is only destroyed, and huge to the survival effect of the mankind.The pollution in river, lake mainly has heavy metal-polluted at present
Dye, nitrogen source pollution, phosphorus pollution, Assessment of Organic Pollution etc. only lean on itself repairing for river and lake past after external source pollutes to obtain control
It is longer toward the time, thus the river recovery technique under artificial control is with regard to particularly important.In recent years, the expert of water process etc. causes
In finding effective river, lake based technique for in-situ remediation, artificial floating island technology is exactly one kind well to be controlled polluted water region power
One based technique for in-situ remediation of reason.There is no consider that rivers and lakes itself are dirty for the artificial floating island of most of researcher's designs at present
The characteristic of dye, thus effects of purification quality is often poor in practical applications for the artificial floating island designed；In addition, planted on chinampa
Water plant one section " blank phase " will occur, this is all hindered manually because of the reason of seasonality growth to the purification of water quality of river
The popularization and application on chinampa.
In view of the defect of aquatic plant purification river water quality, thus a kind of new technology is selected to purify the pollution in river
Object is necessary.
Carbon fibre filler because it is with good bioaffinity and huge specific surface area, therefore can carry for microorganism
For good habitat.The bionical ecological grass of not same district is modified, in monitor control system, aerating system and medicine system
Under auxiliary, biomembrane can be formed around the carbon fibre filler in very short time, passes through different floras in biofilm system
The removal to water pollutant is realized in distribution.
Because the invention it is a kind of it is with strong points, purification of water quality is good, operating cost is low, small artificial floating island affected by environment is to me
The current river of state, Lake Water improved texture are very significant.
Invention content
The technical problem to be solved by the present invention is to overcome existing artificial floating islands to be lacked the purification in river by seasonal effect
It falls into, a kind of artificial floating island high for river and lake nitrogen source pollution purification efficiency is provided.
In order to solve the above technical problem, the present invention provides the following technical solutions：
The present invention provides a kind of designs of the artificial floating island of subregion denitrogenation comprising stainless steel insert, carbon fibre filler, aeration
System, monitor control system, medicine system, solar electric power supply system and polyethylene floating drum；On four feet of the stainless steel insert
Weld the stainless steel tube as medicament point of release and oxygen point of release of layered structure；It is disposed with dosing on the stainless steel insert
System, monitor control system, aerating system and solar electric power supply system, the stainless steel insert underhung carbon fibre are filled out
Material, the carbon fibre filler underhung counterweight are additionally provided with dosing, monitoring multiple tube and molten on the stainless steel insert
Solve oxygen, pH value monitoring pipe.
Further, the surrounding of the stainless steel insert is provided with hangers, to connect floating drum.
Further, artificial floating island is divided into nitrification zone and denitrification zone, the area for controlling the nitrification zone of each monomer is
Three times of the area of denitrification zone.
Further, the carbon fibre filler carries out different modifications, in nitrification zone according to the region of its arrangement
Carbon fibre filler carry out microwave modification and loading Zero-valent Iron；Low temperature etc. is carried out for the carbon fibre filler in denitrification zone
Ion modification.
Further, the aerating system, monitor control system, medicine system and solar electric power supply system are distributed in described
On stainless steel insert, each system base is stainless steel plate, is reinforced by welding or screw.
Further, the artificial floating island by stainless steel insert and is floated using polyethylene floating drum as floating body with link ring
Body is connected.
Further, the arrangement spacing of the carbon fibre filler is 20 ~ 40cm, and wherein nitrification zone is using microwave modification
Carbon fibre filler and in fiber grass area load Zero-valent Iron, denitrification zone is filled out using low-temperature plasma modified carbon fibre
The mounting means of material, the carbon fibre filler uses rope-suspended.
The advantageous effect that is reached of the present invention is：
The present invention has carried out microwave modification to the ecological grass of nitrification zone and Zero-valent Iron loads, and can be improved by galvanic interaction black smelly
The pH value of water body and the oxidation for strengthening ammonia nitrogen, basic site increase can accelerate migrations of the region NH4+ toward filler surface, promote
Microorganism is to NH4+ decomposition；It is low-temperature plasma modified to the ecological grass progress of denitrification zone, pass through the increasing of acidic site
Add the migration that can strengthen to the past filler surface of NO3- in water and NO2-, promotes the progress of microorganism anti-nitration reaction；
The present invention replaces traditional phreatophyte using carbon fibre filler, passes through medicine system, aerating system and monitoring and controlling
System three regulates and controls to repair dissolved oxygen, pH value and the basicity in site, and the condition in nitrification zone is made to be suitble to the growth of nitrobacteria numerous
It grows, and is suitble to denitrifying bacteria growth and breeding in the condition of denitrification zone.In addition, thin by additional nitrobacteria and denitrification
Bacterium, this not only accelerates the formation of biomembrane on carbon fibre grass, and can promote the concentration of denitrifier in river, to advantageous
The removing of nitrogen in river.
The artificial floating island design of the present invention uses modular equipment, this facilitate that the assembling of each unit, and can be according to river
The size and length of stream can be designed to different patterns, flexible and changeable.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the A-A of Fig. 1 to structural schematic diagram.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As depicted in figs. 1 and 2, the artificial floating island design of a kind of subregion denitrogenation comprising stainless steel insert 8, carbon fibre
Filler 6, aerating system 11, monitor control system 10, medicine system 9, solar electric power supply system 12 and polyethylene floating drum 7；It is described
The stainless steel tube 2 as medicament point of release and oxygen point of release of layered structure is welded on four feet of stainless steel insert 8；It is described not
Be disposed with medicine system 9, monitor control system 10, aerating system 11 and solar electric power supply system 12 on rust steel skeleton, it is described not
Become rusty 8 underhung carbon fibre filler 6 of steel skeleton, 6 underhung counterweight 1 of the carbon fibre filler, the stainless reinforcing bar
Dosing, monitoring multiple tube 1 and dissolved oxygen, pH value monitoring pipe 14 are additionally provided on frame 8.
If the artificial floating island is directed to lake pollution reparation, then area coverage should be 20 ~ 30%, if for the dirt of flowing
Residence time of the dye river restoreration Ze Xu guarantor unit's volume river waters in the biomembrane area of chinampa reaches 1 h；
Every stainless steel tube spacing of chinampa skeleton is 20 cm, and the mm of caliber DN=20, skeleton surrounding is using square steel reinforcing, square steel
The mm of length of side A=20, backbone monomer are designed to that the length of side is the square of 2000 mm, and wherein nitrification zone area is 3 m2, denitrification zone
Area is 1 m2；Hanger bracket of the skeleton as carbon fibre filler, and as aerating system, medicine system, monitoring and controlling system
The support plate of system and solar electric power supply system；
Carbon fibre filler selects brush-type, filler to arrange that spacing is 20 ~ 40 cm, and wherein nitrification zone uses the carbon of microwave modification
Cellulose fiber filler and in fiber grass area load Zero-valent Iron, denitrification zone is filled out using low-temperature plasma modified carbon fibre
The mounting means of material, filler uses rope-suspended；
The micro-pore aeration machine for being 20% for oxygen-transfer efficiency, air demand meet 1 g NH of oxidation4 +- N is 9 g for air capacity, is increased
Four placement of foot of the oxygen site on chinampa；
Calcium carbonate dosage meets 1 g NH of oxidation4 +- N 7 g calcium carbonate of dispensing, the volume dosed a concentration of 0.01% of nitrifier,
The volume dosed a concentration of 0.0025% of denitrifying bacteria, wherein a concentration of 5,000,000,000 cfu/g of nitrifier, denitrifying bacterium a concentration of 100
Hundred million cfu/g；
Polyethylene floating drum, single specification are the cm × 40 of 50 cm × 50 cm, and the floating body of artificial floating island monomer of the present invention is floating by 4
Cylinder is constituted, and stainless steel insert is connected with floating drum with linking ring.
The carbon fibre filler carries out different modifications according to the region of its arrangement, fine for the carbon in nitrification zone
Dimension filler carries out microwave modification and loads Zero-valent Iron, and the Zero-valent Iron being supported on fiber grass can be sent out because of initial stage water body at acid
H in raw galvanic interaction consumption water+And aoxidize NH4+, react the Fe (OH) of formation3Colloid can further adsorb SS in water；This
Outside, the iron ion that Zero-valent Iron is formed can be adsorbed on fiber ecological grass surface, promote the absorption to sludge to accelerate biomembrane
Formation；Carbon fibre filler can be strengthened because the basic site on its surface after microwave modification dramatically increases to the NH4 in water body+
It is migrated to filler, enhances NH4+Removing；Low-temperature plasma modification is carried out for the carbon fibre filler in denitrification zone, is changed
The acidic site on carbon fibre filler surface dramatically increases after property, so as to strengthen the NO in the region3And NO2Toward ecological grass table
Face migrates, and denitrification reaction is carried out under the action of denitrifying bacterium；
Artificial floating island is divided into nitrification zone and denitrification zone by the present embodiment, and the area for controlling the nitrification zone of each monomer is 3 m2、
The area of denitrification zone is 1 m2；
The medicine system, aerating system and monitor control system, three coordinate to can control water body environment to nitrify in suitable water
The existence of bacterium and denitrifying bacteria, main adjusting method are：PH adjusting agent uses the intermixture of NaOH and calcium carbonate, dimension
It holds the pH of nitrification zone water body and is more than 3 mg/L in 7.5 ~ 8.5, dissolved oxygen concentration, the pH value of denitrification zone water body is molten 7.0 ~ 7.5
It solves oxygen concentration and is less than 0.5 mg/L, wherein alkalinity regulator dosage, which need to meet, often aoxidizes 1 g NH4+-N need to launch 7 g carbonic acid
Calcium.
The artificial floating island being completed is placed on the river water surface, and medicine system starts to add biological agent in toward river,
Aerating system is regulated and controled according to dissolved oxygen monitoring numerical value, when the dissolved oxygen concentration that dissolved oxygen monitors site is more than 0.5 mg/L, molten
Oxygen monitor site be more than 3.5 mg/L when, then need reduce be aerated, when dissolved oxygen monitor site dissolved oxygen concentration be less than 0.5 mg/L,
It when dissolved oxygen monitors site less than 3.5 mg/L, then needs to reinforce being aerated, maintenance aeration present situation in the case of remaining；When nitrification zone, pH is less than
It then needs to add alkali when 7.5, stops adding alkali if pH is higher than 8.5, if denitrification zone pH needs to add alkali less than 7.0, if stopping higher than 7.5
Add alkali.The carbon fibre filler of stainless steel insert underhung can strengthen the removing to nitrogen in water after modification, in outer plus biology
Under the promotion of medicament, one layer of biomembrane can be quickly formed on its carbon fibre filler surface, it can be maximum by regulating and controlling water body environment
Promote to limit the activity of nitration denitrification bacterium.Solar energy photovoltaic panel collect luminous energy it is inverted after at electric energy, by accumulator
It is stored, the stored electricity quantity of accumulator can meet entire artificial floating island armamentarium uninterruptedly 48 h of operating.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of artificial floating island of subregion denitrogenation designs, which is characterized in that including stainless steel insert, carbon fibre filler, aeration
System, monitor control system, medicine system, solar electric power supply system and polyethylene floating drum；On four feet of the stainless steel insert
Weld the stainless steel tube as medicament point of release and oxygen point of release of layered structure；It is disposed with dosing on the stainless steel insert
System, monitor control system, aerating system and solar electric power supply system, the stainless steel insert underhung carbon fibre are filled out
Material, the carbon fibre filler underhung counterweight are additionally provided with dosing, monitoring multiple tube and molten on the stainless steel insert
Solve oxygen, pH value monitoring pipe.
2. the artificial floating island of subregion denitrogenation according to claim 1 designs, which is characterized in that the four of the stainless steel insert
Week is provided with hangers, to connect floating drum.
3. the artificial floating island of subregion denitrogenation according to claim 1 designs, which is characterized in that artificial floating island is divided into nitrification
Area and denitrification zone, the area for controlling the nitrification zone of each monomer are three times of the area of denitrification zone.
4. the artificial floating island of subregion denitrogenation according to claim 3 designs, which is characterized in that the carbon fibre is filled out
Material carries out different modifications according to the region of its arrangement, carries out microwave modification for the carbon fibre filler in nitrification zone and loads
Zero-valent Iron；Low-temperature plasma modification is carried out for the carbon fibre filler in denitrification zone.
5. the artificial floating island of subregion denitrogenation according to claim 1 designs, which is characterized in that the aerating system, monitoring
Control system, medicine system and solar electric power supply system are distributed on the stainless steel insert, and each system base is stainless steel plate,
It is reinforced by welding or screw.
6. the artificial floating island of subregion denitrogenation according to claim 1 designs, which is characterized in that the artificial floating island is using poly-
Stainless steel insert and floating body are connected as floating body with link ring by ethylene floating drum.
7. the artificial floating island of subregion denitrogenation according to claim 4 designs, which is characterized in that the carbon fibre filler
Arrangement spacing is 20 ~ 40cm, and wherein nitrification zone uses the carbon fibre filler of microwave modification and in fiber grass area load zeroth order
Iron, denitrification zone use low-temperature plasma modified carbon fibre filler, the mounting means of the carbon fibre filler to use
Rope-suspended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213436.7A CN108439602B (en) | 2018-03-15 | 2018-03-15 | Artificial floating island design for zonal denitrification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213436.7A CN108439602B (en) | 2018-03-15 | 2018-03-15 | Artificial floating island design for zonal denitrification |
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| CN108439602A true CN108439602A (en) | 2018-08-24 |
| CN108439602B CN108439602B (en) | 2020-11-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104794A (en) * | 2019-05-14 | 2019-08-09 | 华南理工大学 | The method that the black smelly bed mud in polluted river channel/lake and water body are simultaneously and rapidly repaired |
| CN111453854A (en) * | 2020-05-21 | 2020-07-28 | 湖北红杏生态环境科技有限公司 | Modular system suitable for black and odorous water body restoration |
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| CN108439602B (en) | 2020-11-27 |
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