CN109305743B - River course clean system - Google Patents
River course clean system Download PDFInfo
- Publication number
- CN109305743B CN109305743B CN201811530604.1A CN201811530604A CN109305743B CN 109305743 B CN109305743 B CN 109305743B CN 201811530604 A CN201811530604 A CN 201811530604A CN 109305743 B CN109305743 B CN 109305743B
- Authority
- CN
- China
- Prior art keywords
- treatment unit
- water
- filler
- floating island
- unit comprises
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a river purification system, which belongs to the technical field of environmental protection and is sequentially provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen-enriched treatment unit and a reservoir from top to bottom according to the water flow direction, wherein water in the reservoir is conveyed back to the biological floating island through a pump. The river purification system can purify sewage well.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a river channel purification system.
Background
With the development of urban scale and socioeconomic performance, urban watercourses are polluted to varying degrees. The river channel has the problems of turbid, eutrophication and the like, and aquatic organisms are difficult to survive. In recent years, water pollution control technology has gradually shifted from the original centralized treatment to decentralized and on-site treatment. Among them, the research of ecological process technology has been more promising in recent years.
However, the river purification systems in the prior art all need more supporting equipment, and all carry out pretreatment on the polluted water before the polluted water enters the river, and this requires installation of purification systems at a plurality of sewage collection points, which leads to a sharp rise in cost, and is not suitable for water purification and restoration of small-sized rivers.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a river channel purification system which can well purify sewage.
In order to achieve the purpose, the invention adopts the technical scheme that: the river purification system is sequentially provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen-enriched treatment unit and a reservoir from top to bottom according to the water flow direction, and the water in the reservoir is conveyed back to the biological floating island through a pump;
the sedimentation unit comprises a water retaining dam, and the water retaining dam is provided with an inclined slope with an inclined edge facing upstream;
carbon fiber ecological grass is planted on the biological floating island;
the anaerobic treatment unit comprises algae planted on the water surface and a plurality of first fixed frames arranged below the water surface, wherein first fillers are filled in the first fixed frames, and anaerobic bacteria are attached to the first fillers;
the anoxic treatment unit comprises a plurality of second fixed frames arranged below the water surface, second fillers are filled in the second fixed frames, and facultative aerobic bacteria are attached to the second fillers;
the oxygen enrichment treatment unit comprises a ladder drop water oxygen enrichment platform and a plurality of third fixing frames arranged below the water surface, third fillers are filled in the third fixing frames, and aerobic bacteria are attached to the third fillers.
The river purification system firstly carries out sedimentation treatment on silt, and when sewage from which the silt is removed flows through the biological floating island, the carbon fiber ecological grass adsorbs impurities; then, organic matters in the sewage are subjected to anaerobic and aerobic digestion treatment, and relatively clean water quality is collected by a reservoir; if the water quality can not reach the standard, the reclaimed water in the reservoir is delivered back to the biological floating island through the pump, and the primary purification treatment is carried out again. In addition, the anaerobic treatment unit, the anoxic treatment unit and the oxygen enrichment treatment unit are respectively provided with a plurality of spaced fixing frames, and the fixing frames are filled with required bacteria, so that organic matters can be efficiently decomposed.
As an improvement of the technical scheme, the planting density of the carbon fiber ecological grass is 9-15 plants/m2(ii) a When the planting density of the carbon fiber ecological grass is 9-15 plants/m2And in addition, the carbon fiber ecological grass has a good adsorption effect.
As a further improvement of the technical proposal, the planting density of the carbon fiber ecological grass is 13 plants/m2. Ecological grass made of carbon fiberThe planting density of the plants is 13 plants/m2And in addition, the carbon fiber ecological grass has better adsorption effect.
As an improvement of the above technical solution, the anaerobic treatment unit comprises 10 first fixed frames, and the distance between adjacent first fixed frames is 1 m; the anaerobic bacteria comprise clostridium, bacteroides, clostridium thermoaceticum, acetobacter mucilaginosus, methanothrix sojae and methanosarcina. When the anaerobic treatment unit comprises 10 first fixed frames and the distance between the adjacent first fixed frames is 1m, a proper amount of fixed frames and a proper spacing distance are beneficial to ensuring the decomposition of organic matters to the maximum extent. In addition, when the anaerobic bacteria include Clostridium, Bacteroides, Clostridium thermoaceticum, Acetobacter mucilaginosus, Methanosarcina sojae, and Methanosarcina methanosarcina, the effect of anaerobic digestion of organic substances is very good when these anaerobic bacteria are combined.
As an improvement of the technical scheme, the anoxic treatment unit comprises 6 second fixed frames, and the distance between every two adjacent first fixed frames is 1.2 m. When the anaerobic treatment unit comprises 6 second fixed frames, and the distance between the adjacent second fixed frames is 1.2m, the proper fixed frames and the spacing distance are favorable for ensuring the decomposition of organic matters to the maximum extent.
As an improvement of the technical scheme, the oxygen enrichment treatment unit comprises 5 third fixed frames, and the distance between every two adjacent first fixed frames is 1 m; the aerobic bacteria comprise bacillus cereus, bacillus licheniformis, bacillus subtilis, acinetobacter calcoaceticus, paracoccus denitrificans and bacillus megaterium. When the oxygen enrichment treatment unit comprises 5 third fixed frames and the distance between the adjacent third fixed frames is 1m, a proper amount of fixed frames and a proper spacing distance are beneficial to ensuring the decomposition of organic matters to the maximum extent. In addition, when aerobic bacteria include Bacillus cereus, Bacillus licheniformis, Bacillus subtilis, Acinetobacter calcoaceticus, Paracoccus denitrificus and Bacillus megaterium, the aerobic bacteria have a good effect of aerobically digesting organic substances.
As a further improvement of the above technical solution, the oxygen enrichment treatment unit further comprises photosynthetic bacteria; the photosynthetic bacteria can increase the oxygen concentration of the water quality in the oxygen enrichment treatment unit to a certain extent.
The invention has the beneficial effects that: the invention provides a river purification system, which is sequentially provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen enrichment treatment unit and a reservoir from top to bottom according to the water flow direction, wherein water in the reservoir is conveyed back to the biological floating island through a pump; the anaerobic treatment unit, the anoxic treatment unit and the oxygen enrichment treatment unit are respectively provided with a plurality of spaced fixing frames, and the fixing frames are filled with required bacteria, so that organic matters can be efficiently decomposed, and sewage can be well purified.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
It should be understood that the terms "first", "second" and "third" are used herein to describe various information, but the information should not be limited to these terms, which are used only to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
A river purification system is sequentially provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen enrichment treatment unit and a reservoir from top to bottom according to the water flow direction, and water in the reservoir is conveyed back to the biological floating island through a pump;
the sedimentation unit comprises a retaining dam, and the retaining dam is provided with an inclined slope with an inclined edge facing upstream;
carbon fiber ecological grass is planted on the biological floating island;
the anaerobic treatment unit comprises algae planted on the water surface and a plurality of first fixing frames arranged below the water surface, first fillers are filled in the first fixing frames, and anaerobic bacteria are attached to the first fillers;
the anoxic treatment unit comprises a plurality of second fixed frames arranged below the water surface, second fillers are filled in the second fixed frames, and facultative aerobic bacteria are attached to the second fillers;
the oxygen enrichment treatment unit comprises a ladder drop oxygen enrichment platform and a plurality of third fixing frames arranged below the water surface, third fillers are filled in the third fixing frames, and aerobic bacteria are attached to the third fillers.
Example 1
The embodiment provides a river purification system, which is sequentially provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen-enriched treatment unit and a reservoir from top to bottom according to the water flow direction, wherein water in the reservoir is conveyed back to the biological floating island through a pump;
the sedimentation unit comprises a retaining dam, and the retaining dam is provided with an inclined slope with an inclined edge facing upstream;
carbon fiber ecological grass is planted on the biological floating island;
the anaerobic treatment unit comprises algae planted on the water surface and a plurality of first fixing frames arranged below the water surface, first fillers are filled in the first fixing frames, and anaerobic bacteria are attached to the first fillers;
the anoxic treatment unit comprises a plurality of second fixed frames arranged below the water surface, second fillers are filled in the second fixed frames, and facultative aerobic bacteria are attached to the second fillers;
the oxygen enrichment treatment unit comprises a step drop oxygen enrichment platform and a plurality of third fixing frames arranged below the water surface, third fillers are filled in the third fixing frames, and aerobic bacteria are attached to the third fillers;
the planting density of the carbon fiber ecological grass is 13 plants/m2The anaerobic treatment unit comprises 10 first fixed frames, and the distance between every two adjacent first fixed frames is 1 m; the anaerobe includes clostridium, bacteroides, the clostridium thermocellum, the acetobacter aceti, the methane filamentum and methane sarcina, the fixed frame of oxygen deficiency processing unit includes 6 seconds, the distance of adjacent second fixed frame is 1.2m, oxygen boosting processing unit includes the fixed frame of 5 third, the distance of adjacent third fixed frame is 1m, good oxygen fungus includes waxy bacillus, bacillus licheniformis, bacillus subtilis, calcium acetate acinetobacter, paracoccus denitrificans and bacillus megaterium, oxygen boosting processing unit still contains photosynthetic bacteria.
Example 2
The present embodiment provides a river purification system, which is different from embodiment 1 in that: the planting density of the carbon fiber ecological grass is 9 plants/m2。
Example 3
The present embodiment provides a river purification system, which is different from embodiment 1 in that: the planting density of the carbon fiber ecological grass is 15 plants/m2。
Determination of water purification effect
1) Constructing a river channel, and modifying the river channel purification system in the embodiment 1 of the invention; before modification, measuring that COD (chemical oxygen demand) in the river is 270-320 mg/L, and BOD (biological oxygen demand) in the river is 300-330 mg/L; after the river channel purification system is modified, after the river channel sewage is purified for 1 time, measuring that COD in the river channel is 100-120 mg/L and BOD is 150-163 mg/L; and then 1, carrying out water circulation (conveying the water in the reservoir back to the biological floating island through a pump), and determining that the COD in the river is 60-73 mg/L and the BOD is 84-96 mg/L.
2) Constructing a river channel, and modifying the river channel purification system in the embodiment 2 of the invention; before modification, measuring that COD (chemical oxygen demand) in the river is 270-320 mg/L, and BOD (biological oxygen demand) in the river is 300-330 mg/L; after the river channel purification system is modified, after the river channel sewage is purified for 1 time, measuring that COD in the river channel is 118-126 mg/L and BOD is 158-168 mg/L; and then 1, carrying out water circulation (conveying the water in the reservoir back to the biological floating island through a pump), and determining that the COD in the river is 72-79 mg/L and the BOD is 92-100 mg/L.
Therefore, when the river purification system is provided with a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen enrichment treatment unit and a reservoir from top to bottom in sequence according to the water flow direction, the water in the reservoir is conveyed back to the biological floating island through a pump; and anaerobic bacteria comprise clostridium, bacteroides, clostridium thermocellum, acetobacter mucilaginosus, methanothrix sojae and methanosarcina, aerobic bacteria comprise bacillus cereus, bacillus licheniformis, bacillus subtilis, acinetobacter calcoaceticus, paracoccus denitrificans and bacillus megaterium, and when the oxygen enrichment treatment unit also comprises photosynthetic bacteria, the river purification system can better purify sewage.
Finally, it should be noted that the above embodiments are intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. The river purification system is characterized in that a sedimentation unit, a biological floating island, an anaerobic treatment unit, an anoxic treatment unit, an oxygen enrichment treatment unit and a reservoir are sequentially arranged from top to bottom in the water flow direction, and water in the reservoir is conveyed back to the biological floating island through a pump;
the sedimentation unit comprises a water retaining dam, and the water retaining dam is provided with an inclined slope with an inclined edge facing upstream;
carbon fiber ecological grass is planted on the biological floating island; the planting density of the carbon fiber ecological grass is 13 plants/m2；
The anaerobic treatment unit comprises algae planted on the water surface and 10 first fixed frames arranged below the water surface, and the distance between every two adjacent first fixed frames is 1 m; a first filler is filled in the first fixed frame, and anaerobic bacteria are attached to the first filler; the anaerobic bacteria comprise clostridium, bacteroides, clostridium thermoaceticum, acetobacter mucilaginosus, methanothrix sojae and methanosarcina sarcina;
the anoxic treatment unit comprises 6 second fixed frames arranged below the water surface, and the distance between every two adjacent second fixed frames is 1.2 m; a second filler is filled in the second fixed frame, and facultative aerobic bacteria are attached to the second filler;
the oxygen enrichment processing unit comprises a step drop water oxygen enrichment platform and 5 third fixing frames arranged below the water surface, and the distance between every two adjacent third fixing frames is 1 m; a third filler is filled in the third fixed frame, and aerobic bacteria and photosynthetic bacteria are attached to the third filler; the aerobic bacteria comprise bacillus cereus, bacillus licheniformis, bacillus subtilis, acinetobacter calcoaceticus, paracoccus denitrificans and bacillus megaterium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530604.1A CN109305743B (en) | 2018-12-13 | 2018-12-13 | River course clean system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530604.1A CN109305743B (en) | 2018-12-13 | 2018-12-13 | River course clean system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109305743A CN109305743A (en) | 2019-02-05 |
| CN109305743B true CN109305743B (en) | 2022-01-04 |
Family
ID=65222487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811530604.1A Active CN109305743B (en) | 2018-12-13 | 2018-12-13 | River course clean system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109305743B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466879A (en) * | 2013-08-23 | 2013-12-25 | 浙江工商大学 | In situ purification system for city channel water body |
| CN104030449A (en) * | 2014-05-19 | 2014-09-10 | 广西益江环保科技有限责任公司 | Closed or semi-closed landscape water body governance method |
| CN207537317U (en) * | 2017-11-22 | 2018-06-26 | 广东中环生态科技有限公司 | Black and odorous water multi-stage filtration systems |
| CN108264198A (en) * | 2018-02-01 | 2018-07-10 | 宁波立升环保工程有限公司 | A kind of administering method in water pollution river |
| CN207811385U (en) * | 2017-12-29 | 2018-09-04 | 云南山川园林有限公司 | A kind of ecological purification system in river |
-
2018
- 2018-12-13 CN CN201811530604.1A patent/CN109305743B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466879A (en) * | 2013-08-23 | 2013-12-25 | 浙江工商大学 | In situ purification system for city channel water body |
| CN104030449A (en) * | 2014-05-19 | 2014-09-10 | 广西益江环保科技有限责任公司 | Closed or semi-closed landscape water body governance method |
| CN207537317U (en) * | 2017-11-22 | 2018-06-26 | 广东中环生态科技有限公司 | Black and odorous water multi-stage filtration systems |
| CN207811385U (en) * | 2017-12-29 | 2018-09-04 | 云南山川园林有限公司 | A kind of ecological purification system in river |
| CN108264198A (en) * | 2018-02-01 | 2018-07-10 | 宁波立升环保工程有限公司 | A kind of administering method in water pollution river |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109305743A (en) | 2019-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wu et al. | Large-scale demonstration of the sulfate reduction autotrophic denitrification nitrification integrated (SANI®) process in saline sewage treatment | |
| Vaiopoulou et al. | Sulfide removal in wastewater from petrochemical industries by autotrophic denitrification | |
| CN100415662C (en) | System and process for sawage treating with baffling wet land filtering tank and rateral underflow wet land bed | |
| CN106116047A (en) | The villages and small towns sewage water treatment method of a kind of high-efficient denitrification and dephosphorization and device | |
| US20130277302A1 (en) | Water treatment system | |
| CN103420540A (en) | Stabilization ponds-ecological corridors-constructed wetland based tail water treatment system | |
| Wu et al. | Identifying key parameters in a novel multistep bio-ecological wastewater treatment process for rural areas | |
| KR20160017818A (en) | System for advanced wastewater treatment using optimal micro-organism of pollutants and the method thereof | |
| del Castillo et al. | A review of the sustainability of anaerobic reactors combined with constructed wetlands for decentralized wastewater treatment | |
| CN104817239A (en) | Novel in-situ water purification system and purification method for heavily polluted river | |
| Abyar et al. | Highly efficient reclamation of meat-processing wastewater by aerobic hybrid membrane bioreactor-reverse osmosis simulated system: A comprehensive economic and environmental study | |
| CN104787958A (en) | Culturing farm sewage treatment system, and sewage treatment method | |
| CN104609651B (en) | A kind of Large-scale pig farm advanced waste treatment system | |
| WO2022130402A1 (en) | A modular system and method for onsite wastewater treatment and resource recovery | |
| JP5372845B2 (en) | Organic wastewater treatment system and method | |
| CN109305743B (en) | River course clean system | |
| CN100369835C (en) | Treatment process for making sewage as recirculating cooling water | |
| Shi et al. | Pilot study on ceramic flat membrane bioreactor in treatment of coal chemical wastewater | |
| Jia et al. | Biological contact oxidation and an artificial floating island for black odorous river purification | |
| CN105060623B (en) | Double dirt method for treating water based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling | |
| CN114314850A (en) | Constructed wetland deep purification device and method for high-salt refractory organic wastewater | |
| CN209537237U (en) | A kind of integrated A/O sewage disposal system | |
| CN209065652U (en) | Integrated domestic sewage treatment system | |
| CN204607806U (en) | Ecological purifying device for waste water | |
| CN105541025A (en) | BESI technology-based deep treatment method for refining desulfurization wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |