CN108483646A - The low influence processing method in circulation oxygenation urban hard revetment river and its device - Google Patents
The low influence processing method in circulation oxygenation urban hard revetment river and its device Download PDFInfo
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- CN108483646A CN108483646A CN201810360962.6A CN201810360962A CN108483646A CN 108483646 A CN108483646 A CN 108483646A CN 201810360962 A CN201810360962 A CN 201810360962A CN 108483646 A CN108483646 A CN 108483646A
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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
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/02—Aerobic processes
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F7/00—Aeration of stretches of water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention relates to wall built-up combinations to be oxygenated processing unit certainly, the low influence processing unit in circulation oxygenation urban hard revetment river and method, wall built-up combination therein includes holder and several layers of process chamber being arranged from top to bottom from processing unit is oxygenated, the holder is for being fixed on river hard revetment, each layer process chamber includes open-top, the babinet of side and bottom opening, water treatment medium built in the babinet, the water treatment medium increases the contact area of water and air by its internal gap, water from top to bottom from several layers of process chamber by by handled, each layer process chamber is removably disposed in the holder.
Description
Technical field
The present invention relates to river water body pollution control devices.
Background technology
The development in city and river are closely related.Urban river provides stable water source for city, promotes friendship waterborne
The development of logical tool, becomes the important channel of city Material Transportation.After entering industrialization phase, urban river is counted as again
Power source and pollution purification place.In the new period, urban river weakens urban heat land effect and flood, promotes urban green space
Build, promoted urban landscape diversity and bio-diversity and as city style entertainment place etc. urban ecological function by
Step is recognized.Due to the quickening of urbanization process, the water pollution of urban river is all being increased from pollution type to pollution intensity, perhaps
The basic disappearance of more urban river fishes and shrimps biology, the color of river water, smell have a different degrees of deterioration, partial rivers even at
For sewage routeway.Since water quality is contaminated, landscape quality declines urban landscape, has seriously affected urban river two sides resident's
It is physically and mentally healthy.Water pollution causes the bio-diversity of urban river and its two sides to decline, more especially beneficial to the mankind
Or there is the loss of species of potential value.
Urban hard revetment water course in situ recovery technique includes mainly：Water transfer, chemical flocculation add microbial bacterial agent, people
The modes such as work chinampa, biological grid and artificial swamp.Water transfer process consumed resource is big, and operating cost is high.Chemical flocculation is easy
Secondary pollution is generated, is had an adverse effect to microorganisms in water.It adds microbial bacterial agent to take effect relatively slowly, and microbial bacterial agent needle
There is degradation to certain one kind specific pollutants, it is influenced obviously by hydraulics in addition.Artificial floating island and biological grid are in waterpower
It is difficult for long-term stable operation in the river of complicated condition, and larger water impact can also cause these measures destructive break
It is bad.Therefore, the above technology is difficult to the water quality for promoting urban hard revetment river steady in a long-term.Artificial Wetland Techniques are to make
For traditional Ecological Disposal mode, realized by filtering, absorption, precipitation, ion exchange, plant absorption and microorganism decomposition
To the processing system of the high-efficient purification of sewage.But city river periphery land used is nervous, and especially most of riverbanks are hard revetment, if
Artificial swamp is set in river, the hydraulic radius in river will certainly be reduced, influence flood discharge.Therefore, problem above is also given and is passed
The application of system Artificial Wetland Techniques brings resistance.
River hydrodynamic force and river water dissolved oxygen content directly affect river water body self-purification capacity.Now, by urban flood defence
Water drainage and influences, the urban river such as urban construction are mostly controlled by gate, result in that water body flow is slow, and self-purification capacity is low.
The promotion of river hydrodynamic force and dissolved oxygen content will be helpful to improve quality of river water, river training water body environment.Promote city river
Flowing water liquid flowability generally uses hydraulic propeller；It promotes river water dissolved oxygen content and generally uses mechanical aeration.Though the above technology
So ensure that certain effect, but the features such as its maintenance cost is high, energy consumption is big and security performance is relatively low restrict its at
For water course in situ Long term control technology.
Invention content
It is an object of the present invention to provide a kind of combinations of wall built-up to be oxygenated processing unit certainly.
It is an object of the present invention to provide a kind of low influence processing units in circulation oxygenation urban hard revetment river.
It is an object of the present invention to provide a kind of low influence processing methods in circulation oxygenation urban hard revetment river.
According to a kind of combination of wall built-up of one aspect of the invention from oxygenation processing unit, including holder and set from top to bottom
The several layers of process chamber set, for the holder for being fixed on river hard revetment, each layer process chamber includes open-top, side and bottom
The babinet of portion's trepanning, water treatment medium built in the babinet, the water treatment medium increase water and sky by its internal gap
The contact area of gas, water from top to bottom from several layers of process chamber by by handled, each layer process chamber is removably disposed
In the holder.
In the embodiment of the processing unit, several floor process chambers include positioned at the treatment room of the top, the table
Water treatment medium in layer process chamber is included in babinet top soil and the matrix dielectric of lower part setting, the soil are used for
Water resistant plant is set.
In the embodiment of the processing unit, several layers of process chamber further include an at least aerobic layer process chamber and/or at least
One aerobic, anaerobism alternating layer process chamber.
In the embodiment of the processing unit, the water treatment medium includes particle media, at least partly graininess
Medium be configured to have by adsorb or/and biomembrane effect pollutant is removed, for supplementary carbon source, for handling ammonia
At least one of nitrogen function.
In the embodiment of the processing unit, the grain size of the particle media is in 2mm to 50mm；The water process is situated between
Matter includes gravel, melon seeds piece, cobblestone, zeolite, haydite, activated carbon, biomimetic material, elastic material, pelelith, coconut husk, corn
At least one of core, clinker, perlite, vermiculite, sepiolite, medical stone or multiple combinations.
The low influence processing unit in a kind of circulation oxygenation urban hard revetment river according to another aspect of the present invention, including
Water distribution system includes the water-carriage system with pulse water delivery pattern, for extracting river water body；And wall built-up combination is from oxygenation
Reason system includes the above-mentioned wall built-up combination of multiple any one for continuously laying along hard revetment from oxygenation processing unit；Wherein,
The water distribution system corresponds to each described wall built-up combination and is provided with water distributor, the water-carriage system output from oxygenation processing unit
River water body wall built-up combination is uniformly distributed into from oxygenation processing unit by the water distributor.
In the embodiment of the processing unit, the water distributor is cloth sink, the water of cloth sink setting the top
It handles in medium, cloth bottom of gullet and/or lateral opening hole and open-top.
The low influence processing method in a kind of circulation oxygenation urban hard revetment river according to another aspect of the invention, packet
It includes：Extract river water body；Uniformly distributed to along the water treatment medium that hard revetment is laid, the water process by the river water body of extraction
Medium surrounding is communicated with air, and increases the contact area of river water body and air by its internal gap, certainly using river water
It is upper and under from the water treatment medium by and back to drop process in river, increase the dissolved oxygen of river water body.
In the embodiment of the processing method, the processing method further includes：Utilize the water treatment medium in surface layer
Inhibit stink；Middle level water treatment medium is in aerobic environment to the reduction effect improved to organic matter and ammonia nitrogen；And/or profit
It being influenced by river water level flood tide and ebb tide with bottom water treatment medium, part-time bottom water treatment medium is immersed in water,
In anaerobism or anaerobic environment, the microorganism for being enriched in bottom water treatment medium surface layer is subjected to denitrification, to eliminate water
In polluted by nitrogen.
In the embodiment of the processing method, the processing method further includes：It is equal using the water distribution mode for increasing resistance
Even water distribution；Water distribution is extracted so that water treatment medium comes into full contact with air, while increasing use using pulse water delivery pattern interval
In the carbon source for the microorganism for carrying out anti-nitration reaction.
The progress effect of the present invention includes realizing river river water original position ecological management and purification, without additional expropriation of land, is built
If low with operating cost, long-term effect is good, has the function of high purification river water body；Processing unit and processing unit are not take up river
Flood passage channel, does not influence flood discharge, and river water increases river water body by the drop process flowed through from top to bottom in processing unit
The bottom layer treatment room of dissolved oxygen, processing unit is in aerobic and anaerobism alternating state, and it is anti-to carry out denitrification using anaerobic environment
It answers and reduces total nitrogen content；The low influence processing unit in circulation oxygenation urban hard revetment river is uniform using large resistance underdrain system
Water distribution；Using pulse water delivery pattern, interval water distribution enters the carbon source of denitrification section to increase in processing system, to improve to river
Water carries out purified treatment, realizes efficient denitrification；The low influence processing unit in circulation oxygenation urban hard revetment river is simple in structure, group
Dress is flexible, and dismounting is easy to maintain, and it is extensive to be applicable in territorial scope.
Description of the drawings
The above and other features of the present invention, property and advantage will pass through retouching with reference to the accompanying drawings and examples
It states and becomes readily apparent from, wherein：
Fig. 1 is the low influence processing unit in circulation oxygenation urban hard revetment river according to one or more embodiments
Vertical view.
Fig. 2 is the low influence processing unit in circulation oxygenation urban hard revetment river according to one or more embodiments
Front view.
Fig. 3 is the structure chart from oxygenation processing unit according to the combination of the wall built-up of one or more embodiments.
Fig. 4 is the low influence processing unit in circulation oxygenation urban hard revetment river according to one or more embodiments
Side view.
In figure：The banks 1- greenbelt；The banks 2- pavement；3- hard revetments；4- sparge pipes；5- clips；The stainless bracing members of 6-
Frame；7- water output ducts；8- expansion bolts；9- is water-fast aithullium；The combination of 10- wall built-ups is oxygenated processing unit certainly；The outer cabinets of 11-；12-
Bracket；The rivers 13-；The low influence processing unit in 14- circulation oxygenation urban hard revetments river；15- suction pumps；16- treatments
Room；17- water distributors；The middle levels 18- process chamber；19- bottom layer treatments room；20- soil；21- matrix dielectrics；The middle levels 22- water process is situated between
Matter；23- bottom water treatment mediums；24- switch boards；25- solenoid valves；26- water-supply-pipes；30- water distribution systems；31- holders；33- tables
Layer water treatment medium.
Specific implementation mode
Following embodiments or embodiment for disclosing the subject technology scheme described in a variety of different implementations.For simplification
Each element and the specific example of arrangement is described below in disclosure, and certainly, these are only example, is not to this
The protection domain of invention is limited.Such as the fisrt feature then recorded in the description above second feature or above
It is formed, may include the embodiment that the first and second features are formed by way of directly contacting, also be included in the first He
The embodiment that supplementary features are formed between second feature, to can not directly be contacted between the first and second features.In addition,
In these disclosures may in different examples repeat reference numerals and/or letter.The repetition is in order to brief and clear
Chu itself does not indicate that each embodiment being discussed and/or interstructural relationship.Further, when first element be with
The mode that second element is connected or combines describes, which includes the reality that the first and second elements are connected directly or are bonded to each other
Mode is applied, also includes so that the first and second interelements ground connection is connected or is tied each other using one or more other intervening elements additions
It closes.
In addition, it is necessary to understand, the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, vertical, horizontal " and
Orientation or positional relationship indicated by " top, bottom " etc. is normally based on orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, in the absence of explanation to the contrary, these nouns of locality do not indicate that and imply signified
Device or element must have a particular orientation or with specific azimuth configuration and operations, therefore should not be understood as to the present invention
The limitation of protection domain.
With reference to figure 1, Fig. 2, Fig. 4, the landscape design on riverbank can be 13 side setting hard revetment 3 of river, bank pavement 2,
Bank greenbelt 1.The low influence processing unit 14 in circulation oxygenation urban hard revetment river is including water distribution system 30 and along hard
Multiple wall built-ups combination that revetment 3 is continuously laid is oxygenated processing unit 10 certainly.Quantity root of the wall built-up combination from oxygenation processing unit 10
It is determined according to field regions condition and water quality.Water distribution system 30 includes the water-carriage system and water distributor using pulse water delivery pattern
17, water-carriage system extracts river water body from river 13, and river water body is exported and handles list to the combination of each wall built-up from oxygenation
River water body is evenly distributed to each wall built-up combination from oxygenation processing unit 10 by the water distributor 17 of member 10, and water body is from top to bottom
Pass through from the combination of each wall built-up from oxygenation processing unit 10, returns in river 13.
With reference to figure 2, Fig. 3, the concrete structure of wall built-up combination from oxygenation processing unit 10 can be that wall built-up is combined from oxygenation
Reason unit 10 includes holder 31 and several layers of process chamber being arranged from top to bottom, and several layers indicate that the quantity of process chambers is at least one
Layer, for example, in Fig. 2 to Fig. 4 wall built-up combination from oxygenation processing unit 10 include three layers of process chamber.Holder 31 will be for that will handle
Hard revetment 3 is fixed in room, and specific structure can be that holder 31 includes outer cabinet 11 and bracket 12, and bracket 12 passes through expansion bolt
8 are fixed on hard revetment 3, and bracket 12 supports outer cabinet 11, and outer cabinet 11 uses layered structure, is supported in several layers of process chamber with layering
A certain layer.Such as in Fig. 2 to Fig. 4, outer cabinet 11 is three-decker, and one layer in the three layers of process chamber supported respectively, each layer is handled
The volume of room can be that each floor process chamber volume of Fig. 2 to Fig. 4 is essentially identical, can also be stepped point of each layer process chamber
Cloth.Each layer process chamber includes the babinet of open-top, side and bottom opening, and water treatment medium, water process are placed in babinet
Medium surrounding is communicated with air.In three-decker as shown in Figure 3, including treatment room 16, middle level process chamber 18, at bottom
Room 19 is managed, wherein correspondence includes surface layer water treatment medium 33, middle level water treatment medium 22 and lower layer's water treatment medium 23 respectively.
The material of the babinet of each layer process chamber is PE (low density polyethylene (LDPE)) material, is processed using rotational moulding method.Each layer process chamber
Babinet be removably positioned over 11 corresponding layered structure of outer cabinet, the advantageous effect so obtained is to be easily installed and safeguard,
It can be layered installation when installation and place heavier water treatment medium；And when blocking, processing effect occur for the water treatment medium of a certain layer
When rate such as reduces at the fault conditions, the water treatment medium that can be directed to the certain layer for the situation that breaks down carries out cleaning and maintenance or more
It changes, saved the human cost of installation and replaces the material cost of water treatment medium.It should be readily apparent to one skilled in the art that holder
31, the concrete structure of the number of plies of process chamber is not limited with above disclosure.
The concrete structure of water distribution system 30 can be that water-carriage system includes sparge pipe 4, clip 5, supporting rack 6, water output duct
7, solenoid valve 25, water-supply-pipe 26, suction pump 15, specifically, supporting rack 6 is installed on the side of hard revetment 3 by expansion bolt 8
Wall, support sparge pipe 4, using clip 5 by sparge pipe 4 the further banding on supporting rack 6.Suction pump 15 is extracted from river 13
River water body is delivered to the sparge pipe 4 positioned at wall built-up combination from above oxygenation processing unit 10 by water-supply-pipe 26, specifically,
Sparge pipe 4 is installed on wall built-up combination from 5cm~30cm of 10 top of oxygenation processing unit.The size of sparge pipe 4 is according to uniformity
Water distribution requires design.The lower part of sparge pipe 4 offers aperture, and the opening diameter of aperture is not more than 8mm, a kind of big resistance of formation
The surface area ratio of water-carriage system, i.e., the aperture area and sparge pipe that sparge pipe 4 opens up is very low, therefore the water of each aperture output
Body uniformity is good.Each aperture connects a water output duct 7, and the quantity of water output duct 7 is combined with wall built-up from oxygenation processing unit
10 quantity corresponds to, and every meter of the number of water output duct 7 is not less than 1.When sparge pipe 4 is discharged, sparge pipe 4 passes through each water outlet
Conduit 7 uniformly exports river water body, and the water body of output enters water distributor 17, and the concrete structure of water distributor 17 can be such as Fig. 3
Shown in cloth sink, the side wall and bottom uniform pore openings of cloth sink, any, round hole during hole shape is round or quadrangle
A diameter of 3-15mm, the minimum length of side of quadrilateral hole is not less than 3mm, and the maximal side of quadrilateral hole is not more than 20mm, water distribution
The percent opening of slot 17 is more than or equal to 10%；The material of cloth sink 17 is PE or stainless steel.Each water distributor 17 will be from water-carriage system
In water body be uniformly distributed into the combination of corresponding wall built-up from oxygenation processing unit 10, water body passes through from several layers of process chamber from top to bottom
And handled, it when water flows through the gap inside water treatment medium, being contacted with water treatment medium, surface spreading, surface area increases, from
And it increases and air contact area.It should be readily apparent to one skilled in the art that water-carriage system, water distributor 17 be not with above-mentioned specific
Structure is limited.
As shown in Figure 3, Figure 4, realize that the example of pulse water delivery pattern can be in water-supply-pipe 26 and 4 join of sparge pipe
Solenoid valve 25 is arranged in both sides, and solenoid valve 25 realizes pulse water delivery pattern according to the preset Open-closure period.Control is taken out
The concrete structure of water pump 15 and the controller of solenoid valve 25 can be the switch board 24 positioned at river bank.Open-closure period root
It is adjusted according to the water quality of different river water bodies, water treatment standard.Such as the Open-closure period can be 15 minutes per hour
- 45 minutes periods closed are opened, the advantageous effect of pulse water delivery pattern so is, in the shut-in time of pulse period,
Each layer water treatment medium has the sufficient time to be contacted with air, ensure that the oxygen content of its internal clearance；And in the pulse period
Water transmission way, water body relatively rapid flows through each layer water treatment medium, with from oxygenation processing unit 10 more fully with
The air of water treatment medium internal voids contacts.According to lasting water delivery pattern, then water body is easy overflows from water treatment medium,
Or water treatment medium internal voids are easily filled up by water body, to reduce the oxygen content in water treatment medium gap, are weakened pair
The oxidation effect of water body；Meanwhile water body is also resulted in using lasting water delivery pattern and concentrates on being located at water treatment room at the middle and upper levels, it makes
At the carbon source in water body by water treatment room excess processes at the middle and upper levels so that bottom layer treatment room carries out the microorganism of denitrification
Lack carbon source, denitrifying capacity declines.
As shown in Figure 3, Figure 4, treatment room 16 is located at the top of each floor process chamber, the surface layer in treatment room 16
Water treatment medium 33 is included in the soil 20 on babinet top and the matrix dielectric 21 in lower box, the laying height of soil 20
For the 1/2-3/4 of 16 height for the treatment of room.Water-fast aithullium 9 is set to soil 20, can not only play beautification riverbank, optimization
The effect of landscape effect can also play the role of that stink, reason is inhibited to be that soil 20 is located at babinet top, be covered in each layer
The top of process chamber can inhibit the stink loss in water body, meanwhile, water-fast aithullium 9 can also absorb the smelly of part loss
Gas.Water-fast aithullium 9, soil 20 can gather materials on the spot from local natural environment.Soil 20 is not only water-fast evergreen plant
Object 9 provides growth conditions, can also be provided as the cloth sink of water distributor 17, and the cloth sink depth of burying is that soil 20 is laid with height
The 1/2-3/4 of degree.In the matrix dielectric 21 of lower box, top soil 20 is effectively carried, prevents the fine graineds such as soil 20 just
It is lost under the conditions of often and blocks wall built-up combination oxygenation processing unit 10 certainly, while the table of the matrix dielectric 21 in treatment room 16
Face is coarse, is easy to adsorb pollutant, also allows for the surface enrichment microorganism in matrix dielectric 21, the biochemistry carried out using microorganism
Reaction is removed pollutant.
With continued reference to Fig. 3, after water body is flowed down from treatment room, into middle level process chamber 18 and bottom layer treatment room 19.
The design of middle level process chamber 18 open, side and bottom opening using top of the box, keeps aerobic state, and bottom layer treatment room 19
It is influenced by river water level flood tide and ebb tide, daily part-time lower layer process chamber is immersed in water, is in anaerobism or anoxic
Environment.The middle level water treatment medium 22 of middle level process chamber 18 is in aerobic environment, and the microorganism of attachment is to organic matter and ammonia
Nitrogen carries out oxidation reaction, to improve the purification efficiency of (COD, the BOD) and ammonia nitrogen of organic matter in water body, and the bottom of bottom layer treatment room 19
Layer water treatment medium 23 is in anaerobism or anaerobic environment, and adsorption and enrichment carries out decomposition nitre in the microorganism of bottom water treatment medium 23
The anti-nitration reaction of state nitrogen, by the processing of middle level process chamber 18 and bottom layer treatment room 19, improve total nitrogen in water body (ammonia nitrogen+
Nitrate nitrogen) purification efficiency.
In addition, middle level water treatment medium 22, bottom water treatment medium 23 in middle level process chamber 18 and bottom layer treatment room 19
Also by suction-operated pollutant is removed, water body is by middle level water treatment medium 22, bottom water treatment medium 23
In the process, water body flows through dielectric material, also increases the contact area of water and air so that and content of oxygen dissolved in water improves, into
One step improves effects of purification quality.
The middle level water treatment medium 22 and bottom water treatment medium 23 of middle level process chamber 18 include particle media, particle
The size of shape medium according to wall built-up combine from the oxygenation volume of processing unit 10, the material mixture ratio of medium and it is different, but must not hinder
Hinder water body flowing in the medium, the conduction of air.The grain size of medium is between 2mm-50mm.Its material can be gravel, melon
Sub-pieces, cobblestone, zeolite, haydite, activated carbon, biomimetic material, elastic material, pelelith, coconut husk, corncob, clinker, pearl
The selection of rock, vermiculite, sepiolite, medical stone, specific material handles the composite factors such as standard, processing cost with proportioning according to water body
Consider.If such as overriding concern is quickly administered, and considers that the ratio for increasing activated carbon, reason are activated carbon quick adsorption effect
It is good, but activated carbon is of high cost, failure is fast；And the advantages of gravel, melon seeds piece is at low cost, but absorption property is low, forms microorganism
The biomembrane of absorption needs certain time；The advantages of zeolite is, moderate cost good to NH_3-N treating effect, therefore black smelly handling
The ratio for increasing zeolite is contemplated that when water body；Haydite, pelelith, coconut husk, corncob etc. all can be decompose the anti-nitre of nitrate nitrogen
To change reaction and carbon source is provided, the cost of the moderate cost of haydite, pelelith is higher, and coconut husk, corncob need to carry out replacement maintenance,
Overall cost carries out the selection of material with the considerations of processing standard；And biomimetic material, elastic filler are easy to form microorganism adsorption
Biomembrane, i.e., microorganism carry out biochemical reaction biomembrane effect it is strong, but its density is relatively low, is not easy to fix, and be also easy to produce
Foul smell.
It is found that it can on the method for the water body circulation oxygenation of the low influence of city river using urban hard revetment from above-mentioned introduction
To include the following steps：
1. drawing water, the water body in river 13 is extracted using the water-carriage system of water distribution system 30；
2. the uniform cloth of the river water body of extraction is oxygenated processing unit by water distribution certainly to the wall built-up combination laid along hard revetment
In water treatment medium in 10；
3. drop, water treatment medium surrounding are communicated with air, river water body is from top to bottom from water treatment medium by simultaneously
The contact area for increasing river water body and air by the gap inside water treatment medium, increases the dissolved oxygen of river water body, water
Body flows back to river after water treatment medium oxygenation.
During water distribution, the water distribution mode water distribution uniformity for increasing resistance can be used, taken out using pulse water delivery pattern interval
Water distribution is taken to increase into denitrifying carbon source.Increase the water distribution mode of resistance, such as the water delivery aperture opened up in sparge pipe 4
Percent opening is very low so that the water from sparge pipe 4 output to each water output duct 7 is uniform.It is intermittent using pulse water delivery pattern
Extract water distribution so that water treatment medium comes into full contact in the closed-down period of pulse with air, and water body also can quickly be flowed in the unlatching phase
Water treatment medium is crossed, avoids the carbon source in water body by the water treatment medium excess processes positioned at middle and upper part, is located at bottom to increase
The carbon source of the microorganism for carrying out anti-nitration reaction of anaerobic environment.
During drop, the water treatment medium 33 that surface layer can be used inhibits the stink of water body, such as at the water body on surface layer
It includes soil 20 to manage medium；The water treatment medium 22 in middle level can also be in aerobic environment, to improve to organic matter and ammonia
The reduction effect of nitrogen；Bottom water treatment medium 23 can also be utilized to be influenced by river water level flood tide and ebb tide, part-time bottom
Layer water treatment medium 23 is immersed in water, is in anaerobism or anaerobic environment, is enriched in micro- life on 23 surface layer of bottom water treatment medium
Object carries out denitrification, to eliminate the nitrate-N pollution in water.
To sum up, include but not limited to using the advantageous effect of the processing unit of above-described embodiment, processing unit and method：
One, it realizes river river water original position ecological management and purifies, without additional expropriation of land, build, length low with operating cost
Effect property is good, has the function of high purification river water body, is higher than to handling the purification efficiency of COD (COD) of water body
60%, BOD (biochemical oxygen demand (BOD)) purification efficiency is higher than 90%, TN (total nitrogens higher than 80%, SS (solid suspension) purification efficiency
Amount) purification efficiency is higher than 60% higher than the ammonia nitrogen amount purification efficiency in 40%, nitrogen pool, and has certain landscape effect；
Two, processing unit and processing unit are not take up river course flood channel, do not influence flood discharge, river water in processing unit from
The drop process flowed through under above, increases the dissolved oxygen of river water body, the bottom layer treatment room of processing unit is in aerobic/anaerobic ring
The alternating state in border carries out anti-nitration reaction using anaerobic environment and reduces total nitrogen content；
Three, processing unit uses large resistance underdrain system water distribution uniformity；
Four, using pulse water delivery pattern, interval water distribution enters the carbon source of denitrification section to increase in processing system, to carry
Height carries out purified treatment to river water, realizes efficient denitrification；
Five, processing unit is simple in structure, easy to assembly, can carry out replacement maintenance to the process chamber of certain layer；Processing unit,
Method is smaller by geographical and Climatic Effects, and territorial scope applicatory is extensive.
Although the present invention is disclosed as above with above-described embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification.Therefore, it is every without departing from
The content of technical solution of the present invention, according to the technical essence of the invention to any modification, equivalent variations made by above example
And modification, it each falls within the protection domain that the claims in the present invention are defined.
Claims (10)
1. wall built-up combination is from oxygenation processing unit, which is characterized in that several layers of process chamber being arranged including holder and from top to bottom,
For the holder for being fixed on river hard revetment, each layer process chamber includes the babinet of open-top, side and bottom opening, institute
Water treatment medium built in babinet is stated, the water treatment medium increases the contact area of water and air, water by its internal gap
From top to bottom from several layers of process chamber by by handled, each layer process chamber is removably disposed in the holder.
2. wall built-up combination as described in claim 1 is oxygenated processing unit certainly, which is characterized in that several layers of process chamber include being located at most
The treatment room of top, the water treatment medium in the treatment room are included in babinet top soil and lower part setting
Matrix dielectric, the soil is for being arranged water resistant plant.
3. wall built-up as claimed in claim 1 or 2 combination is from oxygenation processing unit, which is characterized in that several layers of process chamber further include
An at least aerobic layer process chamber and/or at least one aerobic, anaerobism alternating layer process chamber.
4. wall built-up combination as described in claim 1 is oxygenated processing unit certainly, which is characterized in that the water treatment medium includes
Granular media, at least partly particle media be configured to have by adsorb or/and biomembrane effect pollutant is removed,
For supplementary carbon source, for handling at least one of ammonia nitrogen function.
5. wall built-up combination as claimed in claim 4 is oxygenated processing unit certainly, which is characterized in that the grain size of the particle media
In 2mm to 50mm；The water treatment medium includes gravel, melon seeds piece, cobblestone, zeolite, haydite, activated carbon, biomimetic material, bullet
At least one of property material, pelelith, coconut husk, corncob, clinker, perlite, vermiculite, sepiolite, medical stone are multiple
Combination.
6. the low influence processing unit in circulation oxygenation urban hard revetment river, it is characterised in that including：
Water distribution system includes the water-carriage system with pulse water delivery pattern, for extracting river water body；And
Wall built-up combination includes multiple any one of such as claims 1 to 5 continuously laid along hard revetment from oxygenation processing system
The wall built-up combination is oxygenated processing unit certainly；
Wherein, the water distribution system corresponds to each described wall built-up combination and is provided with water distributor from oxygenation processing unit, described defeated
The river water body of water system output is uniformly distributed into the wall built-up combination from oxygenation processing unit by the water distributor.
7. device as claimed in claim 6, which is characterized in that the water distributor is cloth sink, and the cloth sink setting is most upper
In the water treatment medium of side, cloth bottom of gullet and/or lateral opening hole and open-top.
8. a kind of low influence processing method in circulation oxygenation urban hard revetment river, which is characterized in that
Extract river water body；
Uniformly distributed to along the water treatment medium that hard revetment is laid, the water treatment medium surrounding and sky by the river water body of extraction
Gas phase is logical, and increases the contact area of river water body and air by gap inside it, described in river water from top to bottom oneself
By and back to drop process in river in water treatment medium, increase the dissolved oxygen of river water body.
9. method as claimed in claim 8, which is characterized in that inhibit stink using the water treatment medium in surface layer；
Middle level water treatment medium is in aerobic environment to the reduction effect improved to organic matter and ammonia nitrogen；And/or
It is influenced by river water level flood tide and ebb tide using bottom water treatment medium, part-time bottom water treatment medium is immersed in
In water, it is in anaerobism or anaerobic environment, the microorganism for being enriched in bottom water treatment medium surface layer is subjected to denitrification, to disappear
Polluted by nitrogen in water removal.
10. method as claimed in claim 8, which is characterized in that using the water distribution mode water distribution uniformity for increasing resistance；Utilize arteries and veins
It rushes water delivery pattern interval and extracts water distribution so that water treatment medium comes into full contact with air, while increasing anti-for carrying out denitrification
The carbon source of the microorganism answered.
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| CN109748456A (en) * | 2019-01-23 | 2019-05-14 | 重庆交通大学 | A kind of water treatment system for landscape balcony washes and roof rain water |
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| CN110436610A (en) * | 2019-08-13 | 2019-11-12 | 浙江绿凯环保科技股份有限公司 | A kind of organism fluidization bed system for river purification |
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