CN109516569A - A kind of black smelly comprehensive administration of river method - Google Patents
A kind of black smelly comprehensive administration of river method Download PDFInfo
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- CN109516569A CN109516569A CN201811288305.1A CN201811288305A CN109516569A CN 109516569 A CN109516569 A CN 109516569A CN 201811288305 A CN201811288305 A CN 201811288305A CN 109516569 A CN109516569 A CN 109516569A
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of black smelly comprehensive administration of river methods, specific step is as follows for the method for the black smelly comprehensive administration of river: step 1: carrying out preliminary observation, measurement and analysis to riverbed, find optimal excavating depth, Dredged Sludge and the two sides for being deposited in river in the section for the sludge of stench wherein obviously occur；Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；Step 4: increasing micro-pore aeration；Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out the method that local problem locally renovates, be used for later period system perfecting.The water pollution in the black smelly river of comprehensive treatment of the present invention, later maintenance is simple and expense is low, and water body has lasting self-purification capacity strong, without secondary pollution.
Description
Technical field
The present invention relates to environmental protection technical field, specially black smelly comprehensive administration of river and prevention and cure of pollution method.
Background technique
In recent years, canal reactor processing capacity in China's improves quickly, with the development of the city and changes, Kao Jiang, leans on river water
City water transport development, industry related with water transport starts to assemble herein, and resident increases year by year, and water pollution problems is also increasingly tight
Weight.Sanitary sewage in line river for a long time causes section water eutrophication to pollute, and riverway sludge accumulation in part is blocked up, COD, Cr,
Ammonia nitrogen, total phosphorus severely exceed, and water quality deterioration leads to fish and other biological deaths, and the total amount of pollutant received year in year out is much
It has been more than river water body from net capacity, causing water body to black, smelly, bottom siltation is serious.Canal reactor processing capacity and reality need
It asks and still differs greatly.There is no canal reactor treatment plant there are also a batch of cities at present.Meanwhile in canal reactor treatment facility
Construction and operation aspect there is also some problems.
Summary of the invention
The purpose of the present invention is to provide a kind of black smelly comprehensive administration of river method, which is specifically walked
It is rapid as follows:
Step 1: preliminary observation, measurement and analysis being carried out to riverbed, wherein the section for the sludge of stench obviously occur is found
Optimal excavating depth, Dredged Sludge and the two sides for being deposited in river, along Riparian Zone build gentle slope side slope, side slope protection and
Bottom of slope is reinforced；
Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；
Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；
Step 4: increasing micro-pore aeration, along 50-100 meters of river interval, arrange continuous microporous aeration device in riverbed bottom；
Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out part and ask
The method locally renovated is inscribed, later period system perfecting is used for.
Preferably, the sludge deep in the step 1 determines that method determines that sludge deep is that ditch dug with a plow depth is former based on: technology
Nitrogen phosphorus rate of release and grading control heavy metal pollution situation in reason and sludge, the specific method is as follows: using gravity type first
Column sludge samplers sample scene sludge obtains pollutant in sludge by column sludge from superficial deposit part layer on earth
Vertical distribution information determines pollutant in sludge water termination different soils layer according to the technical principle that sludge pollution grade controls
Content and sludge water termination emission flux are horizontal, determine the best dredging depth of sludge.
Preferably, to sludge carry out dredging and by riverbank two sides are deposited in described in step 1, Riparian Zone sludge accounts for river
The 10-20% of overall width.
Preferably, the solarization time described in step 2 is 5-10 days.
Preferably, according to described in step 2, sludge surface layer is carried out plow 2-3 times, tilth is at least over 20 centimetres.
Preferably, the method for above-mentioned ecological remediation and treatment river black and stench sludge sulphur pollution, wherein described in step 2
The solarization time is 5-10 days, and to the contaminated sludge sediment in two sides on the coast is accumulated, deposit is deposited in bank so as to day
Shine 48 hours or more, and mono- layer of progress ploughing of 30cm every to sludge after 48 hours, it is exposed to the sun again, meanwhile, addition is few every time
Modifying agent is measured, mixes it uniformly with deposit.
Preferably, large-scale Vascular Aquatic Macrophyte Communitiess described in step 3 include reed, Korea lawn grass, cattail and thaliadeabata
Deng plantation forms the large-scale urgent aquatic vegetation that a vegetation ratio is more than 60%.
Preferably, increase micro-pore aeration in step 4, along river with interval 50-100 meters, arrangement is continuous micro- in riverbed bottom
Hole aerator, accelerates the laminar flow circulation and oxygenation process of water body, while taking carbon dioxide, ammonia out of the water surface, increases water body
In DO value, aeration bubbles diameter is 2mm-20mm, and the water depth of the aerator is at least 1.5m, and aeration plate is placed in water
Bottom carries out micro-pore aeration from bottom, and the pressure of gas is 0.7MPa-1MPa, controls in water body dissolved oxygen solubility in 2-5mg/L,
Along river with interval 50-100 meters, after continuous microporous aeration device is arranged in riverbed bottom, planted according to step 5 in black smelly korneforos
Water plant, and put a certain number of aquatic animals in river in a suitable place to breed.
Preferably, the method that the progress local problem mentioned in step 5 locally renovates, establish control unit have it is following
Step:
(1) emphasis is divided according to black and odorous river watershed management main body, water system planning, analysis, production stream Process of Confluence
Section or control unit；
(2) the Regional Water Environment feature for calculating each section of black and odorous river, determines the water quality management goal of control unit；
(3) environmental capacity of water and pollutional load under the target are calculated according to the water quality objective of control unit；
(4) pollutional load Reduced measure is determined according to environmental capacity of water and pollutional load, and pollutional load reduction is divided
It is fitted on each control unit；
(5) treatment measures integral layout is carried out for control unit, and establishes River Water Quality Process model, will administered
Whether information substitutes into River Water Quality Process model, examine water quality objective up to standard, repeat above-mentioned step if water quality is not yet up to standard
Suddenly until water quality reaching standard, is applied in the water pollution control of practical black and odorous river if water quality reaching standard.
Compared with prior art, the beneficial effects of the present invention are:
1, river water body is purified using in-situ treatment, energy consumption construction sewage treatment facility more dirty than control source section is lower.
2, water bottom is aerated, and sediment in-situ consumption is conducive to substrate improvement, avoids dredging.
3, the power-equipment of aerating system only sets a Fans, and using solar panels or wind power generation, maintenance management is simple.
4, microbial flora is enriched by natural aeration, water treatment effect is good.
5, aquatic ecosystem is constructed, water body self-purification ability, prevention and treatment water eutrophication pollution are given full play to.
6, division unit is carried out according to the black smelly degree in river to be used for for the method that later period local problem locally renovates
Later period system perfecting.
Detailed description of the invention
Fig. 1 is present invention process step schematic diagram.
In figure: 1, dredging silt, 2, the pretreatment of gentle slope mud, 3, addition composite corrosion inhibitor by pretreatment, 4, restore
Emergency aquatic vegetation on the sludge of surface layer increases pattern, 5, increase micropore gas explosion and aquatic animals and plants.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of black smelly comprehensive administration of river method, specific step is as follows for the method for the black smelly comprehensive administration of river:
Step 1: preliminary observation, measurement and analysis being carried out to riverbed, wherein the section for the sludge of stench obviously occur is found
Optimal excavating depth, Dredged Sludge and the two sides for being deposited in river, along Riparian Zone build gentle slope side slope, side slope protection and
Bottom of slope is reinforced；
Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；
Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；
Step 4: increasing micro-pore aeration, along 50 meters of river interval, arrange continuous microporous aeration device in riverbed bottom；
Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out part and ask
The method locally renovated is inscribed, later period system perfecting is used for.
Specifically, the sludge deep in the step 1 determines that method determines that sludge deep is that ditch dug with a plow depth is former based on: technology
Nitrogen phosphorus rate of release and grading control heavy metal pollution situation in reason and sludge, the specific method is as follows: using gravity type first
Column sludge samplers sample scene sludge obtains pollutant in sludge by column sludge from superficial deposit part layer on earth
Vertical distribution information determines pollutant in sludge water termination different soils layer according to the technical principle that sludge pollution grade controls
Content and sludge water termination emission flux are horizontal, determine the best dredging depth of sludge.
Specifically, carrying out dredging to sludge and by riverbank two sides are deposited in described in step 1, Riparian Zone sludge accounts for river
The 10% of overall width.
Specifically, the solarization time described in step 2 is 5 days.
Specifically, sludge surface layer is carried out plow 2 times, tilth is at least over 20 centimetres according to described in step 2.
Specifically, the method for above-mentioned ecological remediation and treatment river black and stench sludge sulphur pollution, wherein described in step 2
The solarization time is 5 days, and to the contaminated sludge sediment in two sides on the coast is accumulated, deposit is deposited in bank so as to solarization 48
Hour or more, and mono- layer of progress ploughing of 30cm every to sludge after 48 hrs, it is exposed to the sun again, meanwhile, addition changes on a small quantity every time
Property agent, mixes it uniformly with deposit.
Specifically, large-scale Vascular Aquatic Macrophyte Communitiess described in step 3 include reed, Korea lawn grass, cattail and thaliadeabata
Deng plantation forms the large-scale urgent aquatic vegetation that a vegetation ratio is more than 60%.
Specifically, increasing micro-pore aeration in step 4, along river with 50 meters of interval, arrange that continuous micropore exposes in riverbed bottom
Device of air, accelerates the laminar flow circulation and oxygenation process of water body, while taking carbon dioxide, ammonia out of the water surface, increases in water body
DO value, aeration bubbles diameter are 2mm, and the water depth of the aerator is at least 1.5m, and aeration plate is placed in the bottom, from bottom into
Row micro-pore aeration, the pressure of gas are 0.7MPa, control in water body dissolved oxygen solubility in 2mg/L, along river with 50 meters of interval,
After continuous microporous aeration device is arranged in riverbed bottom, according to step 5 in black smelly korneforos planting aquatic plants, and put in a suitable place to breed in river
A certain number of aquatic animals.
Specifically, the method that the progress local problem mentioned in step 5 locally renovates, establish control unit have it is following
Step:
(1) emphasis is divided according to black and odorous river watershed management main body, water system planning, analysis, production stream Process of Confluence
Section or control unit；
(2) the Regional Water Environment feature for calculating each section of black and odorous river, determines the water quality management goal of control unit；
(3) environmental capacity of water and pollutional load under the target are calculated according to the water quality objective of control unit；
(4) pollutional load Reduced measure is determined according to environmental capacity of water and pollutional load, and pollutional load reduction is divided
It is fitted on each control unit；
(5) treatment measures integral layout is carried out for control unit, and establishes River Water Quality Process model, will administered
Whether information substitutes into River Water Quality Process model, examine water quality objective up to standard, repeat above-mentioned step if water quality is not yet up to standard
Suddenly until water quality reaching standard, is applied in the water pollution control of practical black and odorous river if water quality reaching standard.
Embodiment 2
A kind of black smelly comprehensive administration of river method, specific step is as follows for the method for the black smelly comprehensive administration of river:
Step 1: preliminary observation, measurement and analysis being carried out to riverbed, wherein the section for the sludge of stench obviously occur is found
Optimal excavating depth, Dredged Sludge and the two sides for being deposited in river, along Riparian Zone build gentle slope side slope, side slope protection and
Bottom of slope is reinforced；
Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；
Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；
Step 4: increasing micro-pore aeration, along 80 meters of river interval, arrange continuous microporous aeration device in riverbed bottom；
Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out part and ask
The method locally renovated is inscribed, later period system perfecting is used for.
Specifically, the sludge deep in the step 1 determines that method determines that sludge deep is that ditch dug with a plow depth is former based on: technology
Nitrogen phosphorus rate of release and grading control heavy metal pollution situation in reason and sludge, the specific method is as follows: using gravity type first
Column sludge samplers sample scene sludge obtains pollutant in sludge by column sludge from superficial deposit part layer on earth
Vertical distribution information determines pollutant in sludge water termination different soils layer according to the technical principle that sludge pollution grade controls
Content and sludge water termination emission flux are horizontal, determine the best dredging depth of sludge.
Specifically, carrying out dredging to sludge and by riverbank two sides are deposited in described in step 1, Riparian Zone sludge accounts for river
The 15% of overall width.
Specifically, the solarization time described in step 2 is 8 days.
Specifically, sludge surface layer is carried out plow 2 times, tilth is at least over 20 centimetres according to described in step 2.
Specifically, the method for above-mentioned ecological remediation and treatment river black and stench sludge sulphur pollution, wherein described in step 2
The solarization time is 8 days, and to the contaminated sludge sediment in two sides on the coast is accumulated, deposit is deposited in bank so as to solarization 48
Hour or more, and mono- layer of progress ploughing of 30cm every to sludge after 48 hrs, it is exposed to the sun again, meanwhile, addition changes on a small quantity every time
Property agent, mixes it uniformly with deposit.
Specifically, large-scale Vascular Aquatic Macrophyte Communitiess described in step 3 include reed, Korea lawn grass, cattail and thaliadeabata
Deng plantation forms the large-scale urgent aquatic vegetation that a vegetation ratio is more than 60%.
Specifically, increasing micro-pore aeration in step 4, along river with 80 meters of interval, arrange that continuous micropore exposes in riverbed bottom
Device of air, accelerates the laminar flow circulation and oxygenation process of water body, while taking carbon dioxide, ammonia out of the water surface, increases in water body
DO value, aeration bubbles diameter are 10mm, and the water depth of the aerator is at least 1.5m, and aeration plate is placed in the bottom, from bottom
Micro-pore aeration is carried out, the pressure of gas is 0.8MPa, and dissolved oxygen solubility is in 4mg/L in control water body, along river with interval 80
Rice, after continuous microporous aeration device is arranged in riverbed bottom, according to step 5 in black smelly korneforos planting aquatic plants, and in river
Put a certain number of aquatic animals in a suitable place to breed.
Specifically, the method that the progress local problem mentioned in step 5 locally renovates, establish control unit have it is following
Step:
(1) emphasis is divided according to black and odorous river watershed management main body, water system planning, analysis, production stream Process of Confluence
Section or control unit；
(2) the Regional Water Environment feature for calculating each section of black and odorous river, determines the water quality management goal of control unit；
(3) environmental capacity of water and pollutional load under the target are calculated according to the water quality objective of control unit；
(4) pollutional load Reduced measure is determined according to environmental capacity of water and pollutional load, and pollutional load reduction is divided
It is fitted on each control unit；
(5) treatment measures integral layout is carried out for control unit, and establishes River Water Quality Process model, will administered
Whether information substitutes into River Water Quality Process model, examine water quality objective up to standard, repeat above-mentioned step if water quality is not yet up to standard
Suddenly until water quality reaching standard, is applied in the water pollution control of practical black and odorous river if water quality reaching standard.
Embodiment 3
A kind of black smelly comprehensive administration of river method, specific step is as follows for the method for the black smelly comprehensive administration of river:
Step 1: preliminary observation, measurement and analysis being carried out to riverbed, wherein the section for the sludge of stench obviously occur is found
Optimal excavating depth, Dredged Sludge and the two sides for being deposited in river, along Riparian Zone build gentle slope side slope, side slope protection and
Bottom of slope is reinforced；
Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；
Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；
Step 4: increasing micro-pore aeration, along 100 meters of river interval, arrange continuous microporous aeration device in riverbed bottom；
Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out part and ask
The method locally renovated is inscribed, later period system perfecting is used for.
Specifically, the sludge deep in the step 1 determines that method determines that sludge deep is that ditch dug with a plow depth is former based on: technology
Nitrogen phosphorus rate of release and grading control heavy metal pollution situation in reason and sludge, the specific method is as follows: using gravity type first
Column sludge samplers sample scene sludge obtains pollutant in sludge by column sludge from superficial deposit part layer on earth
Vertical distribution information determines pollutant in sludge water termination different soils layer according to the technical principle that sludge pollution grade controls
Content and sludge water termination emission flux are horizontal, determine the best dredging depth of sludge.
Specifically, carrying out dredging to sludge and by riverbank two sides are deposited in described in step 1, Riparian Zone sludge accounts for river
The 20% of overall width.
Specifically, the solarization time described in step 2 is 10 days.
Specifically, sludge surface layer is carried out plow 3 times, tilth is at least over 20 centimetres according to described in step 2.
Specifically, the method for above-mentioned ecological remediation and treatment river black and stench sludge sulphur pollution, wherein described in step 2
The solarization time is 10 days, and to the contaminated sludge sediment in two sides on the coast is accumulated, deposit is deposited in bank so as to solarization
48 hours or more, and mono- layer of progress ploughing of 30cm every to sludge after 48 hrs, it is exposed to the sun again, meanwhile, addition is a small amount of every time
Modifying agent mixes it uniformly with deposit.
Specifically, large-scale Vascular Aquatic Macrophyte Communitiess described in step 3 include reed, Korea lawn grass, cattail and thaliadeabata
Deng plantation forms the large-scale urgent aquatic vegetation that a vegetation ratio is more than 60%.
Specifically, increasing micro-pore aeration in step 4, along river with 100 meters of interval, arrange that continuous micropore exposes in riverbed bottom
Device of air, accelerates the laminar flow circulation and oxygenation process of water body, while taking carbon dioxide, ammonia out of the water surface, increases in water body
DO value, aeration bubbles diameter are 20mm, and the water depth of the aerator is at least 1.5m, and aeration plate is placed in the bottom, from bottom
Micro-pore aeration is carried out, the pressure of gas is 1MPa, control in water body dissolved oxygen solubility in 5mg/L, along river with 100 meters of interval,
After continuous microporous aeration device is arranged in riverbed bottom, according to step 5 in black smelly korneforos planting aquatic plants, and put in a suitable place to breed in river
A certain number of aquatic animals.
Specifically, the method that the progress local problem mentioned in step 5 locally renovates, establish control unit have it is following
Step:
(1) emphasis is divided according to black and odorous river watershed management main body, water system planning, analysis, production stream Process of Confluence
Section or control unit；
(2) the Regional Water Environment feature for calculating each section of black and odorous river, determines the water quality management goal of control unit；
(3) environmental capacity of water and pollutional load under the target are calculated according to the water quality objective of control unit；
(4) pollutional load Reduced measure is determined according to environmental capacity of water and pollutional load, and pollutional load reduction is divided
It is fitted on each control unit；
(5) treatment measures integral layout is carried out for control unit, and establishes River Water Quality Process model, will administered
Whether information substitutes into River Water Quality Process model, examine water quality objective up to standard, repeat above-mentioned step if water quality is not yet up to standard
Suddenly until water quality reaching standard, is applied in the water pollution control of practical black and odorous river if water quality reaching standard.
The water pollution in the black smelly river of comprehensive treatment of the present invention, later maintenance is simple and expense is low, and water body has lasting self-purification capacity
By force, without secondary pollution.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of black smelly comprehensive administration of river method, it is characterised in that: specific step is as follows for the method for the black smelly comprehensive administration of river:
Step 1: preliminary observation, measurement and analysis being carried out to riverbed, wherein the section for the sludge of stench obviously occur is found most preferably
Excavating depth, gentle slope side slope, side slope protection and bottom of slope are built along Riparian Zone in Dredged Sludge and the two sides for being deposited in river
It reinforces；
Step 2: to the contaminated sludge in two sides on the coast is accumulated, periodically it being tedded, sprays composite modifier；
Step 3: sludge plants large-scale aquatic vascular plants group after the processing such as tedding, on bank；
Step 4: increasing micro-pore aeration, along 50-100 meters of river interval, arrange continuous microporous aeration device in riverbed bottom；
Step 5: after intact ecocystem is established in black smelly korneforos, then setting up corresponding control unit, carry out office, local problem
The method of portion's regulation, is used for later period system perfecting.
2. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: the sludge in the step 1
Depth determination method determines that sludge deep is that nitrogen phosphorus rate of release and classification are controlled in ditch dug with a plow depth principle and sludge based on: technology
Heavy metal pollution situation processed, the specific method is as follows: gravity type column sludge samplers sample scene sludge is used first, by column
Sludge obtains the vertical distribution information of pollutant in sludge from superficial deposit part layer on earth, is controlled according to sludge pollution grade
Technical principle, determine that pollutant load and sludge water termination emission flux are horizontal in sludge water termination different soils layer, determine
The best dredging depth of sludge.
3. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: to sludge carry out dredging and by
Riverbank two sides are deposited in described in step 1, Riparian Zone sludge accounts for the 10-20% of river overall width.
4. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: when solarization described in step 2
Between be 5-10 days.
5. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that:, will be dirty according to described in step 2
Mud surface layer carries out plow 2-3 times, and tilth is at least over 20 centimetres.
6. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: above-mentioned ecological remediation and treatment river
The method of black and stench sludge sulphur pollution is flowed, wherein the solarization time described in step 2 is 5-10 days, to accumulating two sides on the coast
Deposit is deposited in bank so as to solarization 48 hours or more by contaminated sludge sediment, and after 48 hrs to sludge
Mono- layer of progress ploughing of every 30cm, is exposed to the sun again, meanwhile, a small amount of modifying agent is added every time, mixes it uniformly with deposit.
7. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: large-scale water described in step 3
Raw vascular plant group includes reed, Korea lawn grass, cattail and thaliadeabata etc., and it is more than 60% that plantation, which forms a vegetation ratio,
Large-scale urgent aquatic vegetation.
8. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: increase micropore in step 4 and expose
Gas arranges continuous microporous aeration device in riverbed bottom along river with interval 50-100 meters, accelerates the laminar flow circulation of water body and adds
Oxygen process, while taking carbon dioxide, ammonia out of the water surface, increase the DO value in water body, aeration bubbles diameter is 2mm-20mm, should
The water depth of aerator is at least 1.5m, and aeration plate is placed in the bottom, carries out micro-pore aeration from bottom, the pressure of gas is
0.7MPa-1MPa, control water body in dissolved oxygen solubility in 2-5mg/L, along river with interval 50-100 meter, riverbed bottom arrangement
After continuous microporous aeration device, according to step 5 in black smelly korneforos planting aquatic plants, and put in a suitable place to breed in river a certain number of aquatic
Animal.
9. the black smelly comprehensive administration of river method of one kind according to claim 1, it is characterised in that: the progress mentioned in step 5
The method that local problem locally renovates, establishing control unit has following steps:
(1) key sections are divided according to black and odorous river watershed management main body, water system planning, analysis, production stream Process of Confluence
Or control unit；
(2) the Regional Water Environment feature for calculating each section of black and odorous river, determines the water quality management goal of control unit；
(3) environmental capacity of water and pollutional load under the target are calculated according to the water quality objective of control unit；
(4) pollutional load Reduced measure is determined according to environmental capacity of water and pollutional load, and pollutional load reduction is assigned to
Each control unit；
(5) treatment measures integral layout is carried out for control unit, and establishes River Water Quality Process model, information will be administered
It substitutes into River Water Quality Process model, examines water quality objective whether up to standard, repeat the above steps if water quality is not yet up to standard straight
To water quality reaching standard, it is applied in the water pollution control of practical black and odorous river if water quality reaching standard.
Priority Applications (1)
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| CN113073658A (en) * | 2021-02-03 | 2021-07-06 | 黄小六 | Aeration type concrete slope protection |
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