CN112429847A - Online riverway sediment in-situ degradation device and method - Google Patents
Online riverway sediment in-situ degradation device and method Download PDFInfo
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- CN112429847A CN112429847A CN202011391763.5A CN202011391763A CN112429847A CN 112429847 A CN112429847 A CN 112429847A CN 202011391763 A CN202011391763 A CN 202011391763A CN 112429847 A CN112429847 A CN 112429847A
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- aeration
- sediment
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- degradation
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 59
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 59
- 239000013049 sediment Substances 0.000 title claims abstract description 53
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005273 aeration Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 33
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 7
- 231100000719 pollutant Toxicity 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000008021 deposition Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 241001148470 aerobic bacillus Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 4
- 231100001240 inorganic pollutant Toxicity 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an online river sediment in-situ degradation device and method, which comprises a degradation frame positioned above a riverbed at the bottom of a river, wherein MBBR suspended fillers are arranged in the degradation frame, aeration equipment is arranged in the degradation frame, the input end of the aeration equipment extends out of the river through an air inlet pipe, the output end of the aeration equipment is connected with an aeration main pipe, more than one aeration air pipe is connected to the aeration main pipe, more than one aeration branch pipe is connected to each aeration air pipe, and a micro aeration hole is formed in each aeration branch pipe. According to the invention, after the bottom sediment in-situ degradation device is directly arranged at the bottom of the conventional river channel, main pollutants in the bottom sediment are adsorbed and degraded, the sediment deposition amount of the river channel is effectively reduced, the influence of the endogenous pollution of the river channel on a water body is reduced, the long-term effective function can be realized, the operation and maintenance cost is low, the installation is simple and easy, and the influence on flood discharge and navigation of the river channel is avoided.
Description
Technical Field
The invention relates to the technical field of riverway sediment remediation, in particular to an online riverway sediment in-situ degradation device and method.
Background
The bottom mud is the sediment of rivers and lakes, and is an important component of natural water areas. The dynamic balance of absorption and release exists between the water body and the bottom sediment, when the water body is seriously polluted, a part of pollutants can enter the bottom sediment through the actions of precipitation, adsorption and the like; after the pollution caused by external sources is controlled, various organic and inorganic pollutants accumulated in the sediment enter the overlying water body again through the physical, chemical and biological exchange action between the organic and inorganic pollutants and the overlying water body, and become secondary pollution sources influencing the water quality of the water body.
At present, in the pollution treatment process of rivers and lakes, the main treatment means of bottom mud is dredging, the method has high investment cost, complex construction and great influence on the surrounding environment, and the treatment of the cleaned bottom mud is a great difficulty. The method is invented for effectively reducing sediment deposition of the river channel.
Disclosure of Invention
The invention aims to provide an online river sediment in-situ degradation method with a good repairing effect.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an online river course sediment normal position degradation device, is including the degradation frame that is located river course bottom riverbed top, be provided with MBBR suspended filler in the degradation frame, be provided with aeration equipment in the degradation frame, aeration equipment's input stretches out the river course outside through the intake pipe, aeration equipment's output be connected with an aeration and be responsible for, be connected with the aeration tuber pipe more than one on the aeration main pipe, be connected with the aeration branch pipe more than one on each aeration tuber pipe, be provided with small aeration hole on each aeration branch pipe.
Preferably, the degradation frame is fixed at the bottom of the river channel through more than one inserted bar, and the inserted bar comprises a cross bar which is abutted against and limited at the upper end of the degradation frame and a longitudinal bar which is perpendicular to the cross bar.
Preferably, for convenience of fixing, a tip part is arranged below the vertical rod.
Preferably, the MBBR suspended filler comprises aerobic bacteria attached to the outside of the filler and anaerobic bacteria inside.
Preferably, in order to conveniently remove the residual sludge, the degradation frame is of a mesh structure, the MBBR suspended filler is of a circular structure, and the mesh aperture of the degradation frame is larger than the diameter of the MBBR suspended filler.
The invention also discloses an online river sediment in-situ degradation method, which comprises the online river sediment in-situ degradation device disclosed by the claim, and is characterized by comprising the following steps of:
s1, arranging the online river sediment in-situ degradation device at the original position of the full section of the bottom of the river channel to ensure that the online river sediment in-situ degradation device can completely cover the bottom of the river channel, and adsorbing and intercepting the sediment in the upstream incoming water by using the internal MBBR suspended filler;
s2, realizing microporous aeration of the water body through the aeration equipment and the micro aeration holes, increasing oxygen for the water body, lifting and diffusing the light bottom mud, and enabling the MBBR suspended filler to rotate in the water body under the action of aeration so that microorganisms attached to the carrier can be better contacted with the light bottom mud;
s3, the pollutant in the explained bottom mud is absorbed and degraded, and the volume is reduced and flows downstream along with the water.
The online river sediment in-situ degradation method has the technical effects that: according to the invention, the bottom sediment in-situ degradation device is directly arranged at the bottom of the conventional river channel, so that the main pollutants in the bottom sediment are adsorbed and degraded without additionally modifying the structure of the river channel in the later period, the sediment deposition amount of the river channel is effectively reduced, the influence of the endogenous pollution of the river channel on the water body is reduced, the effect can be effectively exerted for a long time, the operation and maintenance cost is low, the installation is simple and easy, and the influence on the flood discharge and navigation of the river channel is avoided.
Description of the drawings:
FIG. 1 is a schematic front view of an in-situ degradation device for bottom mud of an online river in example 1;
FIG. 2 is a top view of an in-situ online river sediment degradation device in example 1;
FIG. 3 is a schematic side view of an in-situ online river sediment degradation device in example 1;
FIG. 4 is a schematic view showing the structure of an insert pin in embodiment 1;
FIG. 5 is a schematic structural diagram of an MBBR suspended filler;
fig. 6 is an enlarged view at a in example 1.
In the reference symbols: the device comprises a degradation frame 1, MBBR suspended fillers 2, an aeration device 3, an air inlet pipe 4, an aeration main pipe 5, an aeration air pipe 6, aerobic bacteria 7, anaerobic bacteria 8, aeration branch pipes 9, micro aeration holes 10, an inserted link 11, a cross rod 12 and a longitudinal rod 13.
Detailed Description
Example 1:
as shown in fig. 1-6, the present embodiment provides an online river sediment in-situ degradation device, which includes a degradation frame 1 located above a riverbed at the bottom of a river, an MBBR suspended filler 2 is disposed in the degradation frame 1, an aeration device 3 is disposed in the degradation frame 1, an input end of the aeration device 3 extends out of the river through an air inlet pipe 4, an output end of the aeration device 3 is connected with a main aeration pipe 5, the main aeration pipe 5 is connected with more than one aeration air pipe 6, each aeration air pipe 6 is connected with more than one branch aeration pipe 9, and each branch aeration pipe 9 is provided with a micro aeration hole 10.
As shown in fig. 4, preferably, the degradation frame 1 is fixed at the bottom of the river channel by more than one insertion rod 11, and the insertion rod 11 includes a cross rod 12 which abuts against and limits the upper end of the degradation frame 1, and a longitudinal rod 13 perpendicular to the cross rod 12.
Preferably, for the convenience of fixing, a tip part is arranged below the vertical rod 13.
As shown in fig. 5, the MBBR suspension packings 2 preferably include aerobic bacteria species 7 attached to the outside of the packings and anaerobic bacteria species 8 located inside.
Preferably, in order to facilitate the removal of the residual sludge, the degradation frame 1 is of a mesh structure, the MBBR suspended filler 2 is of a circular structure, and the mesh diameter of the degradation frame 1 is larger than the diameter of the MBBR suspended filler 2.
The invention also discloses an online river sediment in-situ degradation method, which comprises the step of adopting the online river sediment in-situ degradation device of claim 1, and is characterized by comprising the following steps:
s1, arranging the online river sediment in-situ degradation device at the original position of the full section of the bottom of the river channel to ensure that the online river sediment in-situ degradation device can completely cover the bottom of the river channel, and adsorbing and intercepting the sediment in the upstream incoming water by using the MBBR suspended filler 2 inside the online river sediment in-situ degradation device;
s2, micro-pore aeration of the water body is realized through the aeration equipment 3 and the micro-aeration holes 10, oxygen is added to the water body, the light bottom sediment is lifted and diffused, the MBBR suspended filler 2 can rotate in the water body under the action of aeration, so that microorganisms attached to a carrier can be better contacted with the light bottom sediment, and because the MBBR suspended filler 2 is attached to the outside of the filler, a good-culture strain 7 is arranged, and anaerobic strains 8 are arranged inside the filler, nitrification and denitrification can be simultaneously carried out in the water body, and ammonia nitrogen components in the water body are degraded while organic matters of the bottom sediment are decomposed;
s3, the pollutant in the explained bottom mud is absorbed and degraded, and the volume is reduced and flows downstream along with the water.
The structure in this embodiment is fixed in the river course bottom through inserted bar 11, adsorb the sediment of intercepting the water that comes from the upper reaches, set up one set of small-size aeration equipment 3 in the device simultaneously, and dispose many aeration branch pipes 9, be connected with more than one aeration branch pipe 9 on each aeration tuber pipe 6 and constitute tubular micropore aerator, be used for the water aeration, oxygenation, promote diffusion light sediment, and utilize and have MBBR suspended filler 2 degradation, MBBR suspended filler mainly is the microorganism carrier, under the effect of aeration, can rotate in the water, make the microorganism that adheres to on the carrier can be better with light sediment contact, sediment after the device, main pollutants has been adsorbed the degradation, the volume significantly reduces, remaining few silt flows into the low reaches along with the water. After the online river sediment in-situ degradation device disclosed by the invention is used, the sediment deposition amount of the river sediment is effectively reduced, the endogenous pollution of a river is greatly reduced, and the self-purification capacity of a river water body is fully exerted.
Meanwhile, the MBBR suspended filler 2 contains aerobic bacteria 7 attached to the outside of the filler, and anaerobic bacteria 8 are arranged inside the MBBR suspended filler, so that nitrification and denitrification can be simultaneously carried out in a water body, and ammonia nitrogen components in the water body are degraded while organic matters of bottom sludge are decomposed.
Claims (6)
1. The utility model provides an online river sediment normal position degradation device which characterized in that: including degradation frame (1) that is located river course bottom riverbed top, be provided with MBBR suspended filler (2) in degradation frame (1), be provided with aeration equipment (3) in degradation frame (1), the input of aeration equipment (3) stretches out the river course outside through intake pipe (4), the output of aeration equipment (3) be connected with an aeration and be responsible for (5), be connected with more than one aeration tuber pipe (6) on aeration person in charge (5), be connected with more than one aeration branch pipe (9) on each aeration tuber pipe (6), be provided with small aeration hole (10) on each aeration branch pipe (9).
2. The in-situ degradation device for the sediment of the river channel as claimed in claim 1, wherein: degradation frame (1) fix in the river course bottom through inserted bar (11) more than, inserted bar (11) including with degradation frame (1) upper end offset and spacing horizontal pole (12) and vertical pole (13) of perpendicular to horizontal pole (12).
3. The in-situ degradation device for the sediment of the river channel as claimed in claim 1, wherein: the lower part of the longitudinal rod (13) is a tip part.
4. The in-situ degradation device for the sediment of the river channel as claimed in claim 1, wherein: the MBBR suspended filler (2) comprises aerobic strains (7) attached to the outside of the filler and anaerobic strains (8) positioned inside the filler.
5. The in-situ degradation device for the sediment of the river channel as claimed in claim 1, wherein: the degradation frame (1) is of a mesh structure, the MBBR suspended filler (2) is of a circular structure, and the aperture of the meshes of the degradation frame (1) is larger than the diameter of the MBBR suspended filler (2).
6. An online river sediment in-situ degradation method comprises the online river sediment in-situ degradation device of claim 1, and is characterized by comprising the following steps:
s1, arranging the online river sediment in-situ degradation device at the original position of the full section of the bottom of the river channel to ensure that the online river sediment in-situ degradation device can completely cover the bottom of the river channel, and adsorbing and intercepting bottom sediment in upstream incoming water by using an internal MBBR suspended filler (2);
s2, micro-pore aeration of the water body is realized through the aeration equipment (3) and the micro-aeration holes (10), oxygen is added to the water body, light bottom sludge is promoted and diffused, the MBBR suspended filler (2) can rotate in the water body under the action of aeration, so that microorganisms attached to a carrier can be better contacted with the light bottom sludge, and because the MBBR suspended filler (2) is attached to a good-culture strain (7) outside the filler and is internally provided with an anaerobic strain (8), nitrification and denitrification can be simultaneously carried out in the water body, and ammonia nitrogen components in the water body are degraded while organic matters of the bottom sludge are decomposed;
s3, the pollutant in the explained bottom mud is absorbed and degraded, and the volume is reduced and flows downstream along with the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391763.5A CN112429847A (en) | 2020-12-02 | 2020-12-02 | Online riverway sediment in-situ degradation device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391763.5A CN112429847A (en) | 2020-12-02 | 2020-12-02 | Online riverway sediment in-situ degradation device and method |
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| CN112429847A true CN112429847A (en) | 2021-03-02 |
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| CN202011391763.5A Pending CN112429847A (en) | 2020-12-02 | 2020-12-02 | Online riverway sediment in-situ degradation device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380469A (en) * | 2022-01-25 | 2022-04-22 | 安徽新宇环保科技股份有限公司 | River sediment pollution in-situ advanced treatment device and use method thereof |
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| US20140175001A1 (en) * | 2012-12-26 | 2014-06-26 | II Loren Eugene Willis | Aquatic remediation apparatus |
| CN106927627A (en) * | 2017-02-16 | 2017-07-07 | 湖南新九方科技有限公司 | A kind of method that black and odorous water and bed mud are administered |
| CN207158888U (en) * | 2017-07-06 | 2018-03-30 | 湖南省建筑设计院有限公司 | Immersion black and odorous water in-situ treatment device |
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| CN209668874U (en) * | 2019-02-22 | 2019-11-22 | 浙江清华长三角研究院 | It is a kind of for administering the water treatment facilities of black-odor riverway |
| CN111018105A (en) * | 2018-10-10 | 2020-04-17 | 宁波碧城生态科技有限公司 | Online riverway sewage outlet in-situ water body repairing method |
-
2020
- 2020-12-02 CN CN202011391763.5A patent/CN112429847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140175001A1 (en) * | 2012-12-26 | 2014-06-26 | II Loren Eugene Willis | Aquatic remediation apparatus |
| CN106927627A (en) * | 2017-02-16 | 2017-07-07 | 湖南新九方科技有限公司 | A kind of method that black and odorous water and bed mud are administered |
| CN207158888U (en) * | 2017-07-06 | 2018-03-30 | 湖南省建筑设计院有限公司 | Immersion black and odorous water in-situ treatment device |
| CN108545838A (en) * | 2018-06-26 | 2018-09-18 | 环境保护部华南环境科学研究所 | A kind of anchoring type polluted water body purified in situ processing method and processing device |
| CN111018105A (en) * | 2018-10-10 | 2020-04-17 | 宁波碧城生态科技有限公司 | Online riverway sewage outlet in-situ water body repairing method |
| CN209668874U (en) * | 2019-02-22 | 2019-11-22 | 浙江清华长三角研究院 | It is a kind of for administering the water treatment facilities of black-odor riverway |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380469A (en) * | 2022-01-25 | 2022-04-22 | 安徽新宇环保科技股份有限公司 | River sediment pollution in-situ advanced treatment device and use method thereof |
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