CN102557253A - Organism-strengthened pollution reducing ditch - Google Patents
Organism-strengthened pollution reducing ditch Download PDFInfo
- Publication number
- CN102557253A CN102557253A CN2011100003487A CN201110000348A CN102557253A CN 102557253 A CN102557253 A CN 102557253A CN 2011100003487 A CN2011100003487 A CN 2011100003487A CN 201110000348 A CN201110000348 A CN 201110000348A CN 102557253 A CN102557253 A CN 102557253A
- Authority
- CN
- China
- Prior art keywords
- film
- canal
- anaerobion
- treated
- ditch
- 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.)
- Granted
Links
Abstract
The invention provides an organism-strengthened pollution reducing ditch comprising a concave-shaped ditch bottom. Medium materials are distributed on the concave-shaped ditch bottom according to grain sizes from small to large, wherein silver sand with the modified surface is arranged on a bottom layer; small broken stones with the modified surface are arranged on an intermediate layer; large boulders with the modified surface are arranged on an upper layer; an anaerobic microorganism membrane is fixed on the surface of the silver sand with the modified surface; and an aerobic microorganism membrane is fixed on the surface of the small broken stones and the large boulders with the modified surface. The size of the concave-shaped ditch bottom of the pollution reducing ditch is determined according to specific terrain and the shape of a ditch channel, pollutants of nitrogen, phosphorus and the like are removed and fixed by the anaerobic microorganism membrane and the aerobic microorganism membrane on the surface of the medium materials (including the silver sand, the small broken stones and the large boulders) at the ditch bottom to achieve the purpose of reducing the content of the water pollutants when sewage gets through the ditch channel.
Description
Technical field
The present invention relates to pollution of area source control techniques field, specifically is a kind of biological reinforced dirty canal that subtracts.
Background technology
Along with large-scale point-source pollution progressively is under control, the rural area pollution of area source accounts for the pollution total amount constantly to be increased, and rural area pollution of area source problem becomes increasingly conspicuous.Using in a large number of chemical fertilizer, agricultural chemicals causes the Rural Water Environment quality constantly to descend, and the human settlement degenerates obviously, also is the major reason that causes China's body eutrophication simultaneously.
Ecological engineering is the effective measure of domestic and international improvement pollution of area source of generally acknowledging; The comparatively sophisticated ecological engineering of technology has at present: grass planting control, artificial swamp, ecological pond, preposition storehouse, stabilization pond, media filtration system, vegetation buffer strip, the staggered band in land and water etc.; But big owing to floor space, invest high reason; Apply being restricted, especially be difficult to adapt to the national conditions that China has a large population and a few land.Therefore press for a kind of pollution of area source improvement technology that adapts to the rural area characteristics, solve rural area pollution of area source problem effectively.
Through the existing irrigation canals and ditches (or raceway groove) in rural area are carried out suitable biology and the engineered ecological canal that makes up; Solved the contradiction between the people ground well; But because the difference of various places topography and geomorphology and regional economic development level is different, the present ecological canal that also generally is not applicable to all rural areas.CN ZL 200610097845.2 discloses a kind of ecological method for purifying trench sewage; Be characterized in town domestic sewage and farmland drainage are carried out combination treatment; Town domestic sewage is flowed through successively and is mixed with farmland drainage behind coarse rack, settling pit, fine fack, microbiological treatment pond, acidification hydrolization pond, windmill oxygenation aeration tank, gravel interception and the bio-contact oxidation bed; Purify waste water through what obtain to discharge after the district's purification of complex media Filtration Adsorption bed; But the infrastructure project of this Technology Need is more, and the Financial cost and the handling cost of operation are higher, and technical essential is complicated; Be unfavorable for the repair and reconstruction of irrigation canals and ditches original appearance, be difficult in the Rural areas of economics of underdevelopment promote.CN ZL 200910272338.1 discloses a kind of ecological canal of preventing and controlling agricultural area source pollution; It is characterized in that making up the artificial irrigation canals and ditches of rural sewage and farmland rainwash in the water collection basin district; In the ingress of sewage and runoff the physics grid is set, the grid bottom is a settling tank, plantation emergent, pleuston and submerged plant in the irrigation canals and ditches; Inlay biological ball on the irrigation canals and ditches two side; Inoculate grow floating on water algae and planktonic algae in the sewage, utilize the vital movement of mikrobe, pasture and water and algae, realize obstruction, degraded, absorption, utilization the water pollution material; Reach degraded and reduce the purpose of water pollution load, this technology mainly is applicable in the basin in mountain region, hills area agricultural tillage district the resistance control to water pollutant.Yang Linzhang etc. have reported a kind of ecological intercepting type sewerage that is used for controlling farmland non-point pollution; This system mainly is grouped into by plant part and engineering department; Its both sides furrow bank and bottom of trench are made up of cellular cement plate, and the plant through the plantation of furrow bank and bottom of trench absorbs nutrient in the water body and tackle, and structure interception separated by a distance dam slows down water speed, prolongation hydraulic detention time with the interception case in the ditch body; The particulate matter that flowing water is carried is able to deposition; Thereby realize the farmland is discharged the control of nutrient, but should technology still need more infrastructure project, cost of investment and handling cost are higher.
Above-mentioned technology has influenced the irrigation and drainage function of channel to a certain extent, and problems such as investment and management, has limited the promotion and implementation in existing irrigation and drainage irrigation canals and ditches of these technology.To the deficiency that rural area pollution of area source characteristics and prior art exist, the development investment cost is low, take up an area of less, technology is easy, extensive management, little to channel irrigation and drainage influence, and the effective rural area pollution of area source control techniques of scrubbing, is very necessary.
Summary of the invention
The present invention provides a kind of biological reinforced dirty canal that subtracts; In the existing irrigation and drainage channels in rural area, implant the microbiological deterioration technology through suitable engineering means; Make rural area area source pollutants degraded; Thereby when not influencing the channel irrigation and drainage, reach and reduce and reduce the water pollution load, the purpose of protection quality of water environment.
A kind of biological reinforced dirty canal that subtracts; Comprise at the bottom of " recessed " shape canal that establish dielectric material at " recessed " shape canal base fabric from small to large by particle diameter, wherein bottom is the fine sand of surface-treated; The middle layer is the small crushed stone of surface-treated; The upper strata is the dog's-head of surface-treated, and the surface of the fine sand of process surface-treated is the anaerobion film fixedly, fixes the oxygen animalcule film through the small crushed stone of surface-treated and the surface of dog's-head.
The size that the present invention subtracts at the bottom of dirty canal " recessed " the shape canal is decided according to concrete landform and channel shape; When sewage passes through channel; The anaerobion film and the aerobic microbiological film on dielectric material at the bottom of the canal (comprising fine sand, small crushed stone and dog's-head) surface remove and fix pollutent such as nitrogen, phosphorus in the water body, reach the purpose that reduces water pollutant content.
Description of drawings
Fig. 1 is the biological reinforced section structure synoptic diagram that subtracts dirty canal of the present invention.
Among the figure: at the bottom of 1-" recessed " the shape canal, 2-fine sand, 3-small crushed stone, 4-dog's-head, 5-anaerobion film, 6-aerobic microbiological film.
Embodiment
To combine the accompanying drawing among the present invention below, the technical scheme among the present invention will be carried out clear, intactly description.
Shown in Figure 1 is the biological reinforced section structure synoptic diagram that subtracts dirty canal of the present invention; Saidly biological reinforcedly subtract dirty canal and comprise at the bottom of " recessed " shape canal 1, press particle diameter and at the bottom of " recessed " shape canal, 1 lay dielectric material from small to large, wherein bottom is the fine sand 2 of surface-treated; The middle layer is the small crushed stone 3 of surface-treated; The upper strata is the dog's-head 4 of surface-treated, and through the fixing anaerobion film 5 in the surface of the fine sand 2 of surface-treated, anaerobion film 5 is made up of anaerobion; Said anaerobion comprises denitrifying bacteria or sulphate reducing bacteria; Fix oxygen animalcule film 6 through the small crushed stone 3 of surface-treated and the surface of dog's-head 4, aerobic microbiological film 6 is made up of aerobic microbiological, and said aerobic microbiological comprises pseudomonas, polyP bacteria or nitrifier.
1 can be formed by cement plate or gravel laying at the bottom of " recessed " shape canal, decides according to the channel particular case along water (flow) direction length, and length is long more, and is high more to the clearance of pollutent.Fine sand 2 particle diameters are laid thickness 20～30cm less than 100 orders, and fixed rate of anaerobion film 5 is between 10～25% on it.Small crushed stone 3 particle diameters are 1～4cm, lay thickness 10～20cm, and fixed rate of aerobic microbiological film 6 is between 11～20% on it.Dog's-head 4 particle diameters 4～10cm lays thickness 10～30cm, and fixed rate of aerobic microbiological film 6 is between 15～30% on it.
Small crushed stone 3 and dog's-head 4 are in pH=1～6; Under 10～30 ℃ of conditions of temperature; Adopt saccharan activated media material surface; Strengthen incipient cell absorption and biomembranous formation, be used for the fixing of preparation of aerobic bacteria microbial film and aerobic microbiological film 5 (the for example aerobic microbiological film of aerobic microbiologicals formations such as pseudomonas, polyP bacteria, nitrifier).Fine sand 2 directly mixes with the anaerobic cell body of alginates embedding and is placed on anaerobic zone, is used for fixing anaerobion film 6 (for example anaerobion such as denitrifying bacteria, sulphate reducing bacteria constitute anaerobion film).Be fixed on dielectric material surperficial anaerobion film 5 and aerobic microbiological film 6 through indoor cultivation and domestication,, form microbial ecosystem according to growth synergy between flora.
The microorganism species that relates among the present invention comprises aerobic pseudomonas, polyP bacteria, nitrifier and anaerobic denitrifying bacteria, sulphate reducing bacteria etc.Concrete; Because the particle diameter of fine sand 2, small crushed stone 3 and dog's-head 4 is different, piles up at the sandstone of different-grain diameter and can form the different microcell environment of oxygen concentration, through the different microorganisms that is that fixedly fine sand 2, small crushed stone 3 and dog's-head 4 are surperficial; Form the microbial ecosystem that physiologically active communicates; Oxyty upper zone (dog's-head district) realizes the preliminary degraded to phosphorus fixation and organic pollutant through aerobic microbiological (for example pseudomonas, polyP bacteria, nitrifier), and the small molecules that degraded generates is that the lower anaerobic zone microorganisms of dissolved oxygen concentration provides carbon source, nitrogenous source etc.; In anaerobic zone (fine sand and small crushed stone district); Through anaerobion (for example denitrifying bacteria, sulphate reducing bacteria etc.), realize the denitrification of nitrogen is removed, the synergy between bacterial classification can effectively increase mikrobe scrubbing efficient.
The present invention subtracts at the bottom of dirty canal " recessed " the shape canal 1 size and decides according to concrete landform and channel shape.When sewage passed through channel, the anaerobion film and the aerobic microbiological film on dielectric material at the bottom of the canal (comprising fine sand, small crushed stone and dog's-head) surface removed and fix pollutent such as nitrogen, phosphorus in the water body, reach the purpose that reduces water pollutant content.
The removal principle of the water pollutant that relates among the present invention is: the dielectric material surface enrichment of 1 setting has the mikrobe (anaerobion and aerobic microbiological) of denitrogenation, phosphate fixation ability in a large number at the bottom of " recessed " shape canal; In the water delivery process; These denitrogenations, solid phosphorus mikrobe can remove, absorb, utilize some pollutents (like nitrogen, phosphorus etc.); Reduce the content of pollutent in the water body, thereby reduce the pollution load of rural area area source pollutants the waters.
The invention has the advantages that: taking up an area of and lack, owing to just the existing irrigation and drainage channels in rural area are carried out appropriate reconstruction and utilization, do not influence the due function of general irrigation canals and ditches, still is the passage of rural area draining or irrigation, does not change the general layout of agriculture prodn; Utilize the sandstone of different-grain diameter to pile up the different microcell environment of formation oxygen concentration, through being fixed on the different microorganisms on sandstone surface, form the microbial ecosystem that physiologically active communicates, the synergy between bacterial classification can effectively increase mikrobe scrubbing efficient; Simplicity of design, construction easily, construction cost is low, manages simplely, running cost is few, is adapted at the Rural areas and applies.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who belongs to the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. one kind biological reinforcedly subtracts dirty canal; It is characterized in that: comprise (1) at the bottom of " recessed " shape canal, press particle diameter from small to large at the bottom of " recessed " shape canal (1) lay dielectric material, wherein bottom is the fine sand (2) of surface-treated; The middle layer is the small crushed stone (3) of surface-treated; The upper strata is the dog's-head (4) of surface-treated, and the surface of the fine sand (2) of process surface-treated is anaerobion film (5) fixedly, fixes oxygen animalcule film (6) through the small crushed stone (3) of surface-treated and the surface of dog's-head (4).
2. the biological reinforced dirty canal that subtracts as claimed in claim 1, it is characterized in that: said anaerobion film (5) is made up of anaerobion, and said anaerobion comprises denitrifying bacteria or sulphate reducing bacteria.
3. the biological reinforced dirty canal that subtracts as claimed in claim 1, it is characterized in that: said aerobic microbiological film (6) is made up of aerobic microbiological, and said aerobic microbiological comprises pseudomonas, polyP bacteria or nitrifier.
4. the biological reinforced dirty canal that subtracts as claimed in claim 1 is characterized in that: fine sand (2) particle diameter is laid thickness 20～30cm less than 100 orders, and fixed rate of anaerobion film (5) is between 10～25% on it; Small crushed stone (3) particle diameter is 1～4cm, lays thickness 10～20cm, and fixed rate of aerobic microbiological film (6) is between 11～20% on it; Dog's-head (4) particle diameter is 4～10cm, lays thickness 10～30cm, and fixed rate of aerobic microbiological film (6) is between 15～30% on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000348 CN102557253B (en) | 2011-01-04 | 2011-01-04 | Organism-strengthened pollution reducing ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110000348 CN102557253B (en) | 2011-01-04 | 2011-01-04 | Organism-strengthened pollution reducing ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102557253A true CN102557253A (en) | 2012-07-11 |
| CN102557253B CN102557253B (en) | 2013-04-24 |
Family
ID=46404074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110000348 Active CN102557253B (en) | 2011-01-04 | 2011-01-04 | Organism-strengthened pollution reducing ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102557253B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148228A (en) * | 2016-07-05 | 2016-11-23 | 广西凯泉环保工程有限公司 | A kind of complex microorganism deodorizing degradation bacterial agent and preparation method and application |
| CN107244739A (en) * | 2017-08-03 | 2017-10-13 | 湖南艾布鲁环保科技有限公司 | A kind of Ecosystem restoration system of agricultural non-point source pollution farmland tail water |
| CN113582448A (en) * | 2021-07-29 | 2021-11-02 | 长三角(义乌)生态环境研究中心 | Processing system for reducing farmland non-point source pollution |
| CN113979594A (en) * | 2021-10-29 | 2022-01-28 | 中国科学院新疆生态与地理研究所 | Method for strengthening treatment of salt-containing wastewater by using ditch type oxidation pond |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143756A (en) * | 2007-09-07 | 2008-03-19 | 崔玉波 | In situ collection and ecological processing method and device for residential area domestic garbage station percolate |
| CN101219834A (en) * | 2008-01-22 | 2008-07-16 | 河海大学 | Method for shaping ecological decontaminating type combination stream channel wet land system |
| WO2008127479A1 (en) * | 2007-04-13 | 2008-10-23 | Modular Wetland Systems, Inc. | In line wetland water treatment system and method |
| CN101734829A (en) * | 2009-12-29 | 2010-06-16 | 上海亚同环保实业股份有限公司 | Biological nitrogen and phosphorus removal process of sewage and matched device of V-shaped biological aerated filter pool |
-
2011
- 2011-01-04 CN CN 201110000348 patent/CN102557253B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008127479A1 (en) * | 2007-04-13 | 2008-10-23 | Modular Wetland Systems, Inc. | In line wetland water treatment system and method |
| CN101143756A (en) * | 2007-09-07 | 2008-03-19 | 崔玉波 | In situ collection and ecological processing method and device for residential area domestic garbage station percolate |
| CN101219834A (en) * | 2008-01-22 | 2008-07-16 | 河海大学 | Method for shaping ecological decontaminating type combination stream channel wet land system |
| CN101734829A (en) * | 2009-12-29 | 2010-06-16 | 上海亚同环保实业股份有限公司 | Biological nitrogen and phosphorus removal process of sewage and matched device of V-shaped biological aerated filter pool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148228A (en) * | 2016-07-05 | 2016-11-23 | 广西凯泉环保工程有限公司 | A kind of complex microorganism deodorizing degradation bacterial agent and preparation method and application |
| CN107244739A (en) * | 2017-08-03 | 2017-10-13 | 湖南艾布鲁环保科技有限公司 | A kind of Ecosystem restoration system of agricultural non-point source pollution farmland tail water |
| CN113582448A (en) * | 2021-07-29 | 2021-11-02 | 长三角(义乌)生态环境研究中心 | Processing system for reducing farmland non-point source pollution |
| CN113979594A (en) * | 2021-10-29 | 2022-01-28 | 中国科学院新疆生态与地理研究所 | Method for strengthening treatment of salt-containing wastewater by using ditch type oxidation pond |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102557253B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020114039A1 (en) | System and method for intercepting nitrogen and phosphorus in countryside landscape type ecological ditch | |
| CN104030449B (en) | A kind of type semienclosed treating landscape water body method of closing | |
| CN100378272C (en) | Stereo in-situ ecological urban water system repairing process | |
| CN105502803A (en) | Black and odorous river comprehensive treatment and ecological restoration method | |
| CN107244739A (en) | A kind of Ecosystem restoration system of agricultural non-point source pollution farmland tail water | |
| CN108911158B (en) | A kind of rural domestic sewage treatment system based on small watershed form | |
| CN110862152B (en) | High-efficiency ecological purification system for farmland drainage | |
| CN105645592B (en) | A kind of ecological revetment for purifying area source pollutants | |
| CN102001753A (en) | Ecological corridor for removing nitrogen and phosphorus of micro-polluted river water and construction method thereof | |
| CN102561254A (en) | River course ecological system for treating non-point source low-pollution water | |
| CN102030443A (en) | Terrace type composite vertical flow forest wetland and domestic sewage treatment method thereof | |
| Gao et al. | Ecological engineering for traditional Chinese agriculture—A case study of Beitang | |
| CN100434371C (en) | Ecological method for purifying trench sewage | |
| CN102557253B (en) | Organism-strengthened pollution reducing ditch | |
| CN104326574B (en) | The horizontal subsurface flow wetland system of strengthening micropollutant water denitrogenation in winter | |
| CN104310592A (en) | Artificial wetland treatment system for diversion and purification of river at lake inlet in northern area | |
| CN204874019U (en) | Ecological ditch water purification system | |
| CN204237622U (en) | A kind of horizontal subsurface flow wetland system strengthening micropollutant water denitrogenation in winter | |
| CN106587348A (en) | Construction method of constructed wetland water purification system | |
| CN207726821U (en) | A kind of sewage treatment plant tail water artificial wet land treating system | |
| CN109574402A (en) | A kind of ecological circulation in situ for river regulation filters system only | |
| CN105692905B (en) | A kind of land disposal method and device of ecotype landscape water body | |
| CN100506707C (en) | Controlled biomembrane landscape wetland sewage purification system and technique | |
| CN210261441U (en) | Sewage natural treatment structure | |
| CN212102457U (en) | Urban heavily polluted river water ecological restoration simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |