CN102491601A - Novel water treatment system and method for fixed biologic bed - Google Patents
Novel water treatment system and method for fixed biologic bed Download PDFInfo
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- CN102491601A CN102491601A CN2011104301926A CN201110430192A CN102491601A CN 102491601 A CN102491601 A CN 102491601A CN 2011104301926 A CN2011104301926 A CN 2011104301926A CN 201110430192 A CN201110430192 A CN 201110430192A CN 102491601 A CN102491601 A CN 102491601A
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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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Abstract
The invention relates to the field of waste water treatment, in particular to a novel water treatment system and a novel water treatment method for a fixed biologic bed. The system comprises a land packing zone, a plant ecological zone and an aquatic animal ecological zone, wherein the land packing zone is an artificial constructed trench for packing certain mixed soil and broken stones; the plant ecological zone is used for filling animals or plants favorable for nitrogen curing or water purification; and the aquatic animal ecological zone is used for breeding aquatic plants and fishes. The system has high capacity of removing COD, troponin (TN) and tea polyphenols (TP) and high drained water quality, and is particularly suitable for treatment of sewage in lakes, riverways, landscape water and the like.
Description
Technical field
The present invention relates to field of waste water treatment, relate in particular to a kind of novel fixed biologically bed water treatment system and treatment process.
Background technology
Along with the high speed development of industrial and agricultural production and the raising day by day of living standards of the people, more and more yearn for " blue mountains and green waters " living environment like poetry picturesque, yearn for the natural beautiful scenery of " bluish waves swing appearance, peaceful and charming environment ".In urban green space, construction of park and the large-scale landmark building, artificial lake, sloot and landscape pond continue to bring out.Because the factor affecting such as intrusion of design management, xenobiotic pollutants, the eutrophication problem of water body is increasingly serious.According to statistics, the lake over half in the world and the water quality of reservoir are worsened because of polluting constantly, and the liquid fresh water of earth surface 90% is from these lakes and reservoir.Along with the continuous increase of world population, the problem of water resources maybe be with further worsening.With Beijing Environmental Protection Administration statistics in 2010 is example, monitors 17 in water lake the whole year altogether, and totally 8 in II, III class water quality lake account for 49.3% of monitoring lake area; 24 in IV class water quality lake accounts for 10.2% of monitoring lake area; Totally 2 in V class water quality lake accounts for 10.2% of monitoring lake area; 5 in bad V class water quality lake accounts for 30.3% of monitoring lake area.
There is comparatively serious little contamination phenomenon in landscape water body, as not controlling, will certainly cause the deterioration of whole lake region water quality; Therefore, build manmade landscape, artificial landscape's river sewage and handle, the local water resources of recycle; To protecting local ecotope all will produce great economy, society, environment, ecologic effect; The whole society should from politics, pay attention to water resources problems legally, with economical means management of water resource, and pay attention to water-saving education and measure in the whole society.In addition, do one's utmost to advocate conservation-minded society now, development of the present invention also has very big meaning to economizing on resources, and therefore has good economic benefits and social benefit.
Summary of the invention
The objective of the invention is to disclose a kind of novel fixed biologically bed water treatment system and treatment process, be primarily aimed at the processing of lake, river course, small watershed water body, the water outlet after the processing reaches cities and towns purification of water quality plant effluent one-level A or one-level B standard.
Goal of the invention of the present invention is to realize through following technical scheme.
The present invention provides a kind of novel fixed biologically bed water treatment system, and this system comprises: packing area, soil, plant ecological district, hydrocoles ecotope; Packing area, described soil is to fill certain manual work that mixes earth and rubble to construct groove, and described plant ecological district is filled with to be beneficial to fixed nitrogen or water purifying plant-animal, and described hydrocoles ecotope is configuration waterplant, fish.
The carrier with strong absorption property is also filled in packing area, said soil; Said carrier is meant zeolite, coke, volcanics, mineral sand, pottery.
Described hydrocoles ecotope also is provided with aerating apparatus.
Describedly help fixed nitrogen or water purifying plant-animal and can be power flower, water spots bamboo, Canna generalis Bailey, reed again, and in soil, introduce earthworm, red line worm animalcule.
The present invention also provides a kind of novel fixed biologically bed water treatment method, and this method comprises, polluted water is carried out pre-treating technology after, water distribution, water body gets into packing area, soil, plant ecological district, hydrocoles ecotope successively, the water body after the purification is discharged.
Described pre-treating technology is meant grid, catchments, coagulation or air supporting.
The rubble in the packing area, said soil and the volume ratio of carrier are 1:4, and wherein, pottery, zeolite, mineral sand are during as carrier, and three's volume ratio is 3:3:2.
The rubble in the packing area, said soil and the volume ratio of carrier are 1:4, and wherein, pottery, volcanics, mineral sand are during as carrier, and three's volume ratio is 3:3:2.
The plant in described plant ecological district is power flower, water spots bamboo, Canna generalis Bailey, reed again, and four allocation ratio is 1:1:1:1.
Described water distribution be meant into water after pre-treatment along the water distribution orifice plate or the distributing trough of effluent weir, go into the pond and accomplish water distribution.The purpose of water distribution is realize water quality even, the whether even last effect that will influence subsequent reactions workshop section of water distribution.
Can be drawn by technical scheme disclosed by the invention, the present invention has following characteristics:
1, do not produce active sludge, the processing costs of saving active sludge can not cause because of activated sludge disposal is improper to cause second environmental pollution.
2, water outlet effect is superior to traditional activated sludge process, all can reach cities and towns purification of water quality plant effluent one-level A or B standard.
3, anti-shock loading is strong, can handle COD less than the good water body of 800mg/L biodegradability; For sink drainage out of service after, treatment system of the present invention can be recovered normal operation rapidly in 3～5 days.
4, system's noiseless does not have obvious stink, does not influence surrounding enviroment.
5, that COD in water body, TN, TP are removed ability is strong in this system, and effluent quality is good, is specially adapted to the improvement of polluted water such as lake, river course, landscape water.
6, among the present invention filler has been carried out functional segmentation, on the basis of giving full play to the filler function, also taken into full account cost factor, fill source is extensive, low price.
,The present invention adopts the seepage-type structure, and is good with Look Integration property, can be well compatible with peripheral ecotope, and the mode of run by gravity has been practiced thrift energy consumption simultaneously.
,Compare with traditional activated sludge process, it is little to produce sludge quantity, is merely 1/10 of sludge quantity that activated sludge process produces.
Description of drawings
Fig. 1 is a process flow diagram of the present invention;
Fig. 2 is a water treatment system vertical view of the present invention;
Fig. 3 is a water treatment system side schematic view of the present invention.
Wherein, 1-sewage import; Packing area, 2-soil; The 3-water distributor; 4-plant ecological district; 5-hydrocoles ecotope; The 6-aeration tube; The 7-pure water inlet; 8-earth and rubble; The 9-water channel; The 10-plant; 11-silt; The 12-waterplant.
Embodiment
The present invention provides a kind of novel fixed biologically bed water treatment system, and this system comprises: packing area, soil, plant ecological district, hydrocoles ecotope; Packing area, described soil is to fill certain manual work that mixes earth and rubble to construct groove, and described plant ecological district is filled with to be beneficial to fixed nitrogen or water purifying plant-animal, and described hydrocoles ecotope is configuration waterplant, fish.The carrier with strong absorption property is also filled in packing area, said soil; Said carrier is meant zeolite, coke, volcanics, mineral sand, pottery.Described hydrocoles ecotope also is provided with aerating apparatus.Describedly help fixed nitrogen or water purifying plant-animal and can be power flower, water spots bamboo, Canna generalis Bailey, reed again, and in soil, introduce earthworm, red line worm animalcule.
The present invention also provides a kind of novel fixed biologically bed water treatment method, and this method comprises, polluted water is carried out pre-treating technology after, water distribution, water body gets into packing area, soil, plant ecological district, hydrocoles ecotope successively, the water quality after the purification is discharged.Described pre-treating technology is meant grid, catchments, coagulation or air supporting.The rubble in the packing area, said soil and the volume ratio of carrier are 1:4, and wherein, pottery, zeolite, mineral sand are during as carrier, and three's volume ratio is 3:3:2.The rubble in the packing area, said soil and the volume ratio of carrier are 1:4, and wherein, pottery, volcanics, mineral sand are during as carrier, and three's volume ratio is 3:3:2.The plant in described plant ecological district is power flower, water spots bamboo, Canna generalis Bailey, reed again, and four allocation ratio is 1:1:1:1.
Described water distribution is meant water distribution orifice plate or the distributing trough along effluent weir after pre-treatment of water into, goes into the pond through the water conservancy diversion dado and accomplishes water distribution.The purpose of water distribution is realize water quality even, the whether even last effect that will influence subsequent reactions workshop section of water distribution
For ease of to the present invention to further understanding, will combine accompanying drawing and embodiment to describe below.
Embodiment 1
Present embodiment provides a kind of novel fixed biologically bed water treatment system, is used for the processing of waste water, and like Fig. 2 and shown in Figure 3, this system specifically comprises: packing area, soil 2, plant ecological district 4, hydrocoles ecotope 5, each district connects successively.Integrated rectangle pond, whole zone body, current adopt horizontal seepage flow, and its advantage is can carry out bank according to the characteristic of river, lake, landscape water body to arrange, can be designed to half buried or full-buried type, improves greatly with view harmony degree on every side.Simultaneously, the mode of horizontal seepage flow can rely on self head gravity flow completion whole process, energy efficient after once promoting through early stage.
As shown in Figure 1; Technology of the present invention is: with former water through the thickness grid, catchment, coagulation or air-float technology carry out rough handling, removes wherein PM for particulate matter and part total phosphorus, through the distribution reservoir water distribution; Flow into the packing area, soil; After remaining suspended substance, the most ammonia-nitrogen, waste water flows into the plant ecological district again in the removal water body, after this mainly removes most COD, ammonia nitrogen through acting in conjunction of mikrobe, plant and animalcules such as earthworm, red line worm, flows into the hydrocoles ecotope; Waterplant, fish and aerating system carry out stabilization treatment to water quality jointly, the water body discharging after the purification.
Embodiment 2
Present embodiment provides a kind of novel fixed biologically bed water treatment system, can adopt the treatment system described in embodiment 1.Certain river course water is carried out getting into treatment system of the present invention after the pre-treatment, is specially:
After certain riverway water quality purification treatment project, river shunting along the river the two sides, road packing area, soil according to the invention, plant ecological district, hydrocoles ecotope all are set, pond, both sides body size is long 170+1000+6000=7170/2=3585m (10000t/d)/2; 40+240+1440=1720/2=860m (2400t/d), wide 5m, dark 2m, water inlet COD is 178.5mg/L, and TN is 18.9mg/L, and TP is 0.96mg/L, water temperature 25.8, pH 7.0, and SS is 75.6mg/L.The configuration volume ratio of packing area, soil cobble, waste ceramic, zeolite, mineral sand is 2:3:3:2, hydraulic detention time HRT=4h; In the plant ecological district again power flower, water spots bamboo, Canna generalis Bailey, reed allocation ratio be 1:1:1:1, hydraulic detention time HRT=24h; In the hydrocoles ecotope shallow pond, depth of water 1m, configuration water spots bamboo, carp and little aerating system, water conservancy residence time HRT=72h.Water outlet actual measurement COD is 25.6mg/L, and TN is 2.47mg/L, and TP is 0.29mg/L, and SS is 75.6mg/L, and system is respectively 85.66%, 86.93% and 69.79% to the clearance of COD, TN, TP.
Embodiment 3
Present embodiment provides a kind of novel fixed biologically bed water treatment system and treatment process, can adopt the treatment system described in embodiment 1.Certain view lake water is carried out getting into treatment system of the present invention after the pre-treatment, is specially:
Certain landscape lake purification of water quality treatment project, bank along the lake is provided with packing area, soil according to the invention, plant ecological district, hydrocoles ecotope, and the pond body is of a size of long 860m, wide 20m, dark 2m; Water inlet COD is 156.2mg/L, and TN is 20.2mg/L, and TP is 1.08mg/L; Water temperature 21.2, pH 6.7.The configuration volume ratio of packing area, soil cobble, waste ceramic, zeolite, mineral sand is 2:3:3:2, hydraulic detention time HRT=4h; In the plant ecological district again power flower, water spots bamboo, Canna generalis Bailey, reed allocation ratio be 1:1:1:1, hydraulic detention time HRT=36h; In the hydrocoles ecotope shallow pond, depth of water 1m, configuration water spots bamboo, carp and little aerating system, water conservancy residence time HRT=96h.Water outlet actual measurement COD is 19.5mg/L, and TN is 2.41mg/L, and TP is 0.29mg/L, and system is respectively 87.52%, 88.07% and 73.15% to the clearance of COD, TN, TP.
Claims (10)
1. novel fixed biologically bed water treatment system is characterized in that this system comprises:
Packing area, soil, plant ecological district, hydrocoles ecotope; Packing area, described soil is to fill certain manual work that mixes earth and rubble to construct groove, and described plant ecological district is filled with to be beneficial to fixed nitrogen or water purifying plant-animal, and described hydrocoles ecotope is configuration waterplant, fish.
2. a kind of novel fixed biologically bed water treatment system as claimed in claim 1, it is characterized in that: the carrier with strong absorption property is also filled in packing area, said soil.
3. a kind of novel fixed biologically bed water treatment system as claimed in claim 2, it is characterized in that: said carrier is meant zeolite, coke, volcanics, mineral sand, pottery.
4. a kind of novel fixed biologically bed water treatment system as claimed in claim 1, it is characterized in that: described hydrocoles ecotope also is provided with aerating apparatus.
5. a kind of novel fixed biologically bed water treatment system as claimed in claim 1; It is characterized in that: describedly help fixed nitrogen or water purifying plant-animal and can be power flower, water spots bamboo, Canna generalis Bailey, reed again, and in soil, introduce earthworm, red line worm animalcule.
6. novel fixed biologically bed water treatment method is characterized in that: after polluted water is carried out pre-treating technology, and water distribution, water body gets into packing area, soil, plant ecological district, hydrocoles ecotope successively, and the water body after the purification is discharged.
7. a kind of novel fixed biologically bed water treatment method as claimed in claim 6 is characterized in that: described pre-treating technology is meant grid, catchments, coagulation or air-float technology.
8. a kind of novel fixed biologically bed water treatment method as claimed in claim 6; It is characterized in that: the rubble in the packing area, said soil and the volume ratio of carrier are 1:4; Wherein, pottery, zeolite, mineral sand are during as carrier, and three's volume ratio is 3:3:2.
9. a kind of novel fixed biologically bed water treatment method as claimed in claim 6; It is characterized in that: the rubble in the packing area, said soil and the volume ratio of carrier are 1:4; Wherein, pottery, volcanics, mineral sand are during as carrier, and three's volume ratio is 3:3:2.
10. a kind of novel fixed biologically bed water treatment method as claimed in claim 6 is characterized in that: the plant in described plant ecological district is power flower, water spots bamboo, Canna generalis Bailey, reed again, and four allocation ratio is 1:1:1:1.
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| CN2011104301926A CN102491601A (en) | 2011-12-21 | 2011-12-21 | Novel water treatment system and method for fixed biologic bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110902954A (en) * | 2019-12-04 | 2020-03-24 | 云南省农业科学院农业环境资源研究所 | Ecological lifting basket for purifying sewage |
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Application publication date: 20120613 |