CN2883355Y - Sewage treatment and ultilization Ecological pool - Google Patents
Sewage treatment and ultilization Ecological pool Download PDFInfo
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- CN2883355Y CN2883355Y CNU2006200145904U CN200620014590U CN2883355Y CN 2883355 Y CN2883355 Y CN 2883355Y CN U2006200145904 U CNU2006200145904 U CN U2006200145904U CN 200620014590 U CN200620014590 U CN 200620014590U CN 2883355 Y CN2883355 Y CN 2883355Y
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Images
Classifications
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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
-
- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The utility model relates to a biological pond for sewage treatment and recycle, which comprises an intensified compound anaerobic-facultative pond, a gas detonation breeding pond, a patch of artificial wet land and at least one final purification pond, which are connected in series; wherein, a first flow guide wall is arranged between the anaerobic zone and the facultative zone of the intensified compound anaerobic-facultative pond; a second flow guide wall is arranged between the facultative zone and the gas detonation breeding pond; A first dam with overflow embankment on the top is arranged between the gas detonation breeding pond and the artificial wet land; a second dam with overflow embankment is arranged between the artificial wet land and the final purification pond. A distribution tank for water inlet is arranged on the top of the water inlet end of the intensified compound anaerobic-facultative pond; a plurality of water outlet branch pipes are communicated with the water inlet distribution tank and extended to the bottom of the anaerobic zone. A water discharging tank communicated with the outside is arranged on the top of the water discharging end of the final purification pound; the water discharging tank is communicated with the final purification pond by a plurality of branch pipes. The utility model integrates the bacterium symbiotic system with the biological pond system so as to purify the sewage effectively, and realize the recycle of the water source.
Description
Technical field
The utility model relates to Sewage treatment systems, relate in particular to a kind of processing and utilization that is used for town sewage, sanitary sewage, organic industrial sewage, agricultural effluent (comprise farming, pair, herd, fishery products) processing waste water, livestock breeding wastewater etc., realize after the recycle, sewage purification of nutrition in the resource utilization of sewage disposal and ecology, the sewage and water beautify with the sewage disposal of landscape with utilize ecological pond.
Background technology
Traditional stabilization pond (or claiming oxidation pond, the biopurification pool) is widely used in municipal effluent and the Industrial Wastewater Treatment.Advantages such as they have capital construction and working cost is cheap, be easy to maintenance operation, treatment effect is stable, floor space is big, foul gas pollutes surrounding environment, treatment effect is relatively poor but also have, it is higher and exceed standard because of algal bloom to be difficult to reach shortcoming, especially water outlet suspended solids (SS) such as strict emission control standards.Therefore, the sewage disposal stabilization pond along strengthen and efficiently direction develop, promptly by increasing the biomass in the pool, and the residence time (SRT) by active bio body (or claim active sludge) shorten the hydraulic detention time of stabilization pond significantly with the separation of hydraulic detention time (HRT), foreshortened to 5-15 days from original 30-90 days.By the water distribution uniformity system of aeration oxygen replenishing and improvement water inlet and water outlet, improve the capacity utilization on the pool and the Pollutant Treatment rate of load condensate of unit volume simultaneously, can increase substantially the processing efficiency of sewage in the pool.
But, these stabilization ponds, the pool system that comprises reinforcement, all belong to algae-bacteria symbiotic system, only there are decomposer biology-bacterium, fungi and producer biology-algae and other waterplant therein, and do not have human consumer's biology of sufficient amount, as fish, duck, goose etc., the algae of excessive production and other waterplant consumed and keep the running balance of amount of algae in the pool, cause in the pool algae-bacteria symbiotic system to be in operation and the too much corresponding higher phenomenon of water outlet SS that makes of algae often occurs.This shows that it is incomplete ecosystem, and its basic improved route must be set about by the ecosystem from improve its pool.Sewage disposal and utilize ecological pond to develop along such thinking.
The utility model content
The utility model be for solve existing stabilization pond because of the amount of algae breeding too much, cause the dynamic unbalance of algae-bacteria symbiotic system in the pool, cause the corresponding higher technical problem of SS that makes water outlet, provide a kind of have improve holocoenotic sewage disposal and utilize ecological pond.
For addressing the above problem, the technical solution of the utility model is a kind of sewage disposal of structure and utilize ecological pond, and it comprises that successively reinforcement composite anaerobic-facultative lagoon, the aeration of serial connection culture the pool, artificial swamp and the one-level final purification pool at least; Be provided with first training wall between the anaerobic zone of described reinforcement composite anaerobic-facultative lagoon and the facultative district, facultative district and aeration are cultured between the pool and are provided with second training wall, aeration is cultured between the pool and the artificial swamp and is provided with first dykes and dams that the top has overflow weir, is provided with second dykes and dams that the top has overflow weir between the artificial swamp and the final purification pool; The feed-water end top of described reinforcement composite anaerobic-facultative lagoon is provided with the inlet distribution groove, and many equidistant with the parallel water inlet arms that are communicated with this inlet distribution groove reach the bottom of described anaerobic zone downwards; The top of water side, the described final purification pool be provided with can with the effluent trough of external communications, many exit branch are communicated with this effluent trough with the final purification pool.
Wherein, the bottom of described anaerobic zone is sludge anaerobic fermentation hole, and top is the microbial film packing area.
Be provided with biofilm packing in the described facultative district and aerator is installed at interval.
Described biofilm packing can be the plaited curtain type filler of high-specific surface area.
Described second training wall is perforation water distribution tracery wall.
The available depth in sludge anaerobic fermentation hole is 5-6m in the described anaerobic zone, and the available depth in facultative district is 3-4m; The available depth that described aeration is cultured the pool is 2-4m, and aerator wherein is installed at interval; The available depth of described artificial swamp is 0.5m-1m; The available depth on the described final purification pool is 2-4m.
The described aeration breed pool can be any in fishpond, the foster duck pool, the foster goose pool, the foster shrimp pool, the foster crab pool and the foster shellfish pool.
Described artificial swamp is rainwash artificial swamp or drowned flow artificial wet land.
The utility model organically combines algae-bacteria symbiotic system and The ecology pond systems, thereby can remove the various principal pollutant in the sewage efficiently, and make last water outlet reach very high water quality standard, can do multi-purpose recovery again with and realize water cycle, the organism in the sewage and nutrition can also be transformed by the migration in the ecosystem simultaneously is valuable resource; Can also and build up beautiful scenery and spectacular ecoscape place with the ecological pond design.
Therefore, sewage disposal with utilize ecological pond can play multiple effect: the one, sewage purification and reclaiming again with realizing water cycle; The 2nd, the organism in the sewage and nutrition transformed by migration in the ecosystem of the pool to be become fishery products at last and realizes resource utilization; The 3rd, fishpond, artificial swamp and the final purification pool are carried out naturalization, beautify with the landscape design, built and operation, form graceful ecoscape, thereby demonstrate fully its environmental benefit, economic benefit and social benefit.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further, wherein:
Fig. 1 is the utility model preferred embodiment parallel arrangement orthographic plan;
Fig. 2 be Figure 1A-A to sectional view;
Fig. 3 be Figure 1B-B to profile;
Fig. 4 be Fig. 1 C-C to profile;
Fig. 5 be Fig. 1 D-D to profile;
Fig. 6 be Fig. 1 E-E to profile;
Fig. 7 be Fig. 1 F-F to profile.
Embodiment
Fig. 1 and Fig. 2 show the basic structure of the utility model preferred embodiment parallel arrangement, this sewage disposal with utilize ecological pond, rise and comprise that successively reinforcement composite anaerobic-facultative lagoon, the aeration of serial connection culture the pool 3, artificial swamp 4 and the one-level final purification pool 5 at least.Be provided with first training wall 6 between the anaerobic zone 1 of reinforcement composite anaerobic-facultative lagoon and the facultative district 2, facultative district 2 and aeration are cultured and are provided with second training wall 7-perforation water distribution tracery wall between the pool 3, aeration is cultured between the pool 3 and the artificial swamp 4 and is provided with first dykes and dams 9 that the top has overflow weir 8, is provided with second dykes and dams 10 that the top has overflow weir 8 between the artificial swamp 4 and the final purification pool 5.
As depicted in figs. 1 and 2, the anaerobic zone 1 of strengthening composite anaerobic-facultative lagoon is made of the sludge anaerobic fermentation hole 15 of bottom and biofilm packing 16 districts on top, and the present embodiment biofilm packing is the plaited curtain type filler of high-specific surface area.The feed-water end of anaerobic zone 1 is water inlet dykes and dams 18, and its top is provided with inlet distribution groove 11, and is connected by the rising pipe of a water inlet manifold 19 with the pre-treatment facility (grid sedimentation basin) of outside.Many equidistant with the parallel water inlet arms 12 that are communicated with inlet distribution groove 11, reach the bottom in sludge anaerobic fermentation hole 15 downwards along the inner slope of water inlet dykes and dams 18, the end of water inlet arm 12 reaches sludge anaerobic fermentation hole with bell-mouthed form, and hydraucone is 0.2m to 0.4m apart from the bottom surface that the sludge anaerobic fermentation is cheated, and present embodiment is taken as 0.3m.For the big sludge anaerobic fermentation hole of floor space, can place a plurality of hydraucones on the end symmetrical ground of every water inlet arm and reach bottom, sludge fermentation hole.Be provided with biofilm packing 16 in the facultative district 2, aerator 17 is along the axially spaced-apart setting in facultative district 2, and along its width two aerators 17 is set.
Pass through water inlet manifold 19 and inlet distribution groove 11 through pretreated sewage, at first flow into and strengthen in composite anaerobic-facultative lagoon, its water inlet at first enters the bottom (consulting Fig. 3) in sludge fermentation hole 15 through many water inlet arms 12, the sludge fermentation of flowing through from bottom to up then fermentation hole, it presses the principle work of upward flow anaerobic mud bed reactor, the sewage that rises is fully contacted with wherein anaerobic activated sludge, and make wherein organic pollutant generation anaerobic reaction, as hydrolysis, liquefaction reactions such as acidifying, organic compound in the sewage is degraded to voltaile fatty acid, aldehyde, intermediate products such as alcohols, and gasification reaction such as methane fermentation takes place, the organism in the sewage is converted into CH
4, CO
2, H
2, N
2Deng gas, they are overflowed from the pool and enter atmosphere, thereby the partial organic substances in the sewage is finished the removal of whole process.Hydrolysis, acidifying liquefaction intermediate product, as voltaile fatty acid, alcohol, aldehyde etc., enter strengthen facultative lagoon after, carry out oxidative degradation at the aeration aerobic zone and form final product, as H
2O, CO
2, NH
4 +-N, NO
3 --N, NO
2 --, PO
4 3-Deng.They enter aeration fishpond thereafter with reinforced anaerobic-facultative lagoon (or strengthening facultative sugar) water outlet.
The sewage of handling through anaerobic zone 1 first training wall 6 that overflow, this training wall guarantee that the bottom water inlet of anaerobic zone 1 is flowed through successively from bottom to top and enter thereafter facultative district 2 behind biofilm packing 16 districts on sludge fermentation hole 15 and its top again.The oxygen-starved area of facultative lagoon 2, in the microbial film on biofilm packing 16, contain facultative anaerobe and amphimicrobe in suspended sludge and the bed mud, especially fungi and mould, their can degrade effectively organic compound (as xylogen, Mierocrystalline cellulose, agricultural chemicals, synthetic detergent etc.) of being difficult to aerobic biodegradation and be converted into and be easy to the biological degradation organism make BOD
5/ COD ratio improves.Just be degraded to final product CO by aerobic bacteria easily after easily the intermediate product of degraded enters aerobic zone
2, H
2O, NH
4 +-N, PO
4 3-Deng.They enter the photosynthetic process that also participates in waterplant such as algae behind the fishpond.
The reinforced anaerobic pool-facultative lagoon, in its sludge anaerobic fermentation hole 15, can also make heavy metal and sulfide generation combination reaction and form the metallic sulfide throw out of indissoluble and from sewage, remove, prevent that it from entering follow-up fishpond or other aquaculture pool, thereby the fishery products that ensured breed are avoided heavy metal contamination.
Strengthen the main design parameters of composite anaerobic-facultative lagoon: hydraulic detention time (HRT) 2-3 days; Sludge anaerobic fermented HRT=0.5-1 days that cheat, depth of water 5-6m; Facultative lagoon district depth of water 3-4m, HRT=1～2.5 day.Representative pollutants removal rate: SS70-80%, COD60-70%, BOD
550-60%, TN5-10%, TP5-10%.
As depicted in figs. 1 and 2, the water outlet after facultative district 2 handles is flow through perforation water distribution tracery wall 7 and is entered the aeration fishpond 3 (consulting Fig. 4, Fig. 5) that aerator 17 is installed at interval, and the effect of perforation water distribution tracery wall 7 is uniform distribution water inlets in the vast sea fish pond.The inorganic nutrient salt that contains in the water inlet is as CO
2, NH
4 +-N, NO
3 --N, NO
2 --N and PO
4 3-Deng, for growth and the breeding of wherein algae and other waterplant provides abundant nutrition, they are participated in the photosynthetic process of waterplant such as algae directly and change into the component of new cells such as algae; The algae of these new growths and breeding and other waterplant, and make bait and the protozoon, the metazoan that breed by microalgae, zooplankton and zoobenthos etc., all promote growth and the breeding of fish as the bait of fish, leave pool system with the adult fish results at last, finish organism and the migration conversion of nutrition in food chain in the sewage thus, and from sewage, remove.
Also can in The ecology pond systems, be provided with and support duck, E Tang, support the shrimp pool, support the crab pool, support Bei Tang etc., and set up corresponding food chain therein and realize that pollutent migration therein transforms and removes.Realize the sewage disposal resource utilization simultaneously, at last the organism in the sewage and nutrition are transformed products such as adult fish, shrimp, shellfish, duck and gathered in the crops and income as valuable resource.
This shows, The ecology pond systems, under the promotion of the sun power that provides with solar radiation as the initial energy, the wherein organic pollutant and the nutrition of sewage will be entered, forming in the food chain by planting aquatic plants, the measures such as aquatic products and aquatic bird of culturing, carry out the migration and the conversion of its energy and physical form, both from sewage, removed organism and nutrition at last, finish the purification of sewage, simultaneously also gathered in the crops fishery products and income to some extent.
Aeration fishpond 3 main design parameters: depth of water 2-4m, HRT=3-5 days, when unnecessary soil is arranged, also longer hydraulic detention time can be arranged; Representative pollutants removal rate: SS70-80%, COD70-80%, BOD
575-85%, TN60-70%, NH
3-N70-80%, TP60-70%.
As depicted in figs. 1 and 2, the water outlet after aeration fishpond 3 is handled is flow through an overflow weir 8 and is entered artificial swamp 4 (consulting Fig. 5).Owing to breed fish or other etc. aquaculture, when purifying waste water, also can cause secondary pollution to pool water owing to its movement, therefore must artificial swamp be set to remove its secondary pollutant and residual contamination thing thereafter.Present embodiment adopts rainwash (SF) artificial swamp when 10000m3/d (dispose of sewage＞), also can adopt drowned flow artificial wet land (SSF) (to handle flow＜10000m3/d).The marsh plants of plantation and growth on artificial swamp, as reed, the stem or leaf of cattail, cattail etc., it is immersed in stem portion and root in the water, and growth in its surface has microbial film, and they are degradation of organic substances and nutrition effectively, and its degraded product, as CO
2, NH
4 +-N, NO
2 --N, NO
3 --N and PO
4 3-Promote its growth and breeding Deng directly being absorbed by root systems such as reeds.Nitrification and denitrification can take place in the microorganism in the aerobic and oxygen-starved area of root systems such as reed (nitrifier and denitrifying bacteria), and the synchronous nitration-denitrification that takes place in microbial film, can both remove total nitrogen and ammonia nitrogen effectively.By the absorption of plant, the absorption and the chemical precipitation reaction of soil, and the comprehensive action of dephosphorization bacterial, artificial swamp is dephosphorization effectively also.In artificial swamp, by protozoon in the microbial film with metazoally pounce on food, filter and mechanism such as to hold back, also can remove pathogenic micro-organism effectively.Artificial swamp reasonable in design, its effluent quality can reach GB18918-2002 (urban wastewater treatment firm pollutant emission standard) 1A or 1B standard.
Be provided with the rainwash artificial swamp in pool district, also can culture aquatic products such as fish, shrimp, crab therein, consuming wherein residue microbial film, bed mud, zoobenthos, zooplankton etc., so that water inlet when further being purified, is also gathered in the crops considerable fishery products.
Artificial swamp main design parameters: HRT=0.5-2 days, depth of water 0.5-1m; Representative pollutants removal rate: SS80-90%, BOD5 80-85%, COD75-85%, TN70-80%, NH3-N75-85%, TP70-80%.
As depicted in figs. 1 and 2, the water outlet after artificial swamp 4 is handled is flow through an overflow weir 8 again and is entered the final purification pool 5 (consulting Fig. 6).It is the last location pool of The ecology pond systems, plays the final purification effect.Residual contamination thing such as COD, BOD in will intaking by microorganism wherein
5, NH
3-N, NO
x-N and TP etc. are reduced to very low level, if by 2-3 level series connection purifying pond (purification of HRT＞3d), the COD≤20mg/L of last water outlet; BOD
5≤ 5mg/L; SS≤5mg/L; NH
3-N≤2mg/L; TP≤1mg/L.
The main task on the final purification pool and function are to remove pathogenic micro-organism, design the removal colibacillus sum of good plural serial stage purifying pond and the efficient of total plate count and reach 3-4log (99.9%～99.99%); The total plate count of the The ecology pond systems of being made up of anaerobic pond, facultative lagoon, fishpond, artificial swamp and purifying pond and total clearance of colibacillus sum reach 5-6log (99.999%～99.9999%).
Final purification pool main design parameters: HRT=2-3 days, depth of water 2-4m, effluent quality: SS≤5mg/L, BOD
5≤ 5mg/L, COD≤20mg/L, TN≤10mg/L; NH
3-N≤2mg/L, TP≤0.5mg/L, total plate count≤100cfu/ml, colibacillus sum≤1000cfu/L.
Water quality in the final purification pool is good, and is as clear as crystal, can constitute graceful water landscape, can plant ornamental waterplant therein for this reason, as lotus, lotus etc., also can put an amount of ornamental fish in a suitable place to breed, as bright and beautiful carp, red carp etc., makes it become graceful landscape lake.
The water side on the final purification pool 5 is water outlet dykes and dams 21, and its top is provided with effluent trough 13, and many exit branch 14 are communicated with this effluent trough with the final purification pool 5, and the water after effluent trough 13 will be handled by outfall sewer 13 is discharged.
Like this sewage disposal with utilize ecological pond to play multiple effect: the one, sewage purification and reclaiming again with realizing water cycle; The 2nd, the organism in the sewage and nutrition transformed by migration in the ecosystem of the pool to be become fishery products at last and realizes resource utilization; The 3rd, fishpond, artificial swamp and the final purification pool are carried out naturalization, beautify with the landscape design, built and operation, form graceful ecoscape.
Claims (8)
1, a kind of sewage disposal with utilize ecological pond, it is characterized in that: reinforcement composite anaerobic-facultative lagoon, the aeration that comprises successively serial connection cultured the pool (3), artificial swamp (4) and the one-level final purification pool (5) at least; Be provided with first training wall (6) between the anaerobic zone of described reinforcement composite anaerobic-facultative lagoon (1) and facultative district (2), facultative district (2) and aeration are cultured between the pool (3) and are provided with second training wall (7), aeration is cultured between the pool (3) and the artificial swamp (4) and is provided with first dykes and dams (9) that the top has overflow weir (8), is provided with second dykes and dams (10) that the top has overflow weir (8) between artificial swamp (4) and the final purification pool (5); The feed-water end top of described reinforcement composite anaerobic-facultative lagoon is provided with inlet distribution groove (11), and many equidistant with the parallel water inlet arms (12) that are communicated with this inlet distribution groove reach the bottom of described anaerobic zone (1) downwards; The top of water side, the described final purification pool (5) be provided with can with the effluent trough (13) of external communications, many exit branch (14) are communicated with this effluent trough with the final purification pool (5).
2, sewage disposal according to claim 1 with utilize ecological pond, it is characterized in that: the bottom of described anaerobic zone (1) is sludge anaerobic fermentation hole (15), and top is biofilm packing (16) district.
3, sewage disposal according to claim 2 with utilize ecological pond, it is characterized in that: be provided with biofilm packing (16) in the described facultative district (2) and aerator (17) is installed at interval.
4, sewage disposal according to claim 3 with utilize ecological pond, it is characterized in that: described biofilm packing (16) is the plaited curtain type filler of high-specific surface area.
5, sewage disposal according to claim 4 with utilize ecological pond, it is characterized in that: described second training wall (7) is perforation water distribution tracery wall.
6, sewage disposal according to claim 5 with utilize ecological pond, it is characterized in that: the available depth in sludge anaerobic fermentation hole (15) is 5-6m in the described anaerobic zone (1), and the available depth of facultative district (2) is 3-4m; The available depth that described aeration is cultured the pool (3) is 2-4m, and aerator (17) wherein is installed at interval; The available depth of described artificial swamp (4) is 0.5m-1m; The available depth on the described final purification pool (5) is 2-4m.
7, according to each described sewage disposal of claim 1 to 6 with utilize ecological pond, it is characterized in that: described aeration culture the pool (3) for fishpond, support the duck pool, support the goose pool, support the shrimp pool, support any of the crab pool and foster Bei Tang.
8, according to each described sewage disposal of claim 1 to 6 with utilize ecological pond, it is characterized in that: described artificial swamp (4) is rainwash artificial swamp or drowned flow artificial wet land.
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| CNU2006200145904U CN2883355Y (en) | 2006-09-08 | 2006-09-08 | Sewage treatment and ultilization Ecological pool |
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