CN100429163C - Dispersed spot source sewage treating and grading reusing system and its operation process - Google Patents
Dispersed spot source sewage treating and grading reusing system and its operation process Download PDFInfo
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- CN100429163C CN100429163C CNB2005100864029A CN200510086402A CN100429163C CN 100429163 C CN100429163 C CN 100429163C CN B2005100864029 A CNB2005100864029 A CN B2005100864029A CN 200510086402 A CN200510086402 A CN 200510086402A CN 100429163 C CN100429163 C CN 100429163C
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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 present invention discloses integrated spot source sewage treating technology in environmental engineering technology, and is especially dispersed spot source sewage treating and graded reusing system and its operation process. The spot source sewage treating and graded reusing system includes settling regulation pond, biofiltering pond, clear water pond and ozone oxidizing unit combined together. The settling regulation pond can eliminate partial suspended pollutant and regulate water quality; the biofiltering pond can eliminate organic pollutant, ammonia nitrogen, suspended particle, etc effectively; and the ozone oxidizing unit can further eliminate organic pollutant and sterilize water. The returned water may be used for different purposes. The present invention has the features of obvious treating effect, low running cost, environment friendship, etc.
Description
Technical field
The invention belongs to and utilize environment project to handle the integrated technology that disperses point source sewage, particularly a kind of dispersion point source sewage disposal and separate-recycling system and method.
Background technology
Because the fluid-tight ratio height of urban land, the characteristics of city surface source pollution are: it produces with heavy rain and runoff, has sudden.Area source pollutants is accumulated at fine day, the rainy day discharging, and the periodicity of pollution is obvious.Compare with metropolitan district, the land use type of tourist district is different from the city, and the impervious surface ratio is far below metropolitan district, and the greenery area ratio is higher than metropolitan district.Therefore, tourist district's pollution of area source and is subjected to the influence of tourist district's tourism function deeply except the general characteristic with city surface source pollution.
The zoological park belongs to typical tourist district, and the visitor is numerous, and the animal venue disperses, and animal excrements accumulate on ground.Investigation and analysis are the result show, from underlying land use type and distribution, demonstration area impervious surface ratio is not high, far below metropolitan district 50% impervious surface ratio.Though the greenery area ratio is high in the demonstration area, is subjected to the discrete distribution of hills morphologic characteristics, venue buildings thing and the restriction that tourist district's landscape requires, operability engineering soil is considerably less.
The animal venue in zoological park, city is important visit sight spot, is raising many different types of rare birds and animals.Yet the animal venue in zoological park, city is various, and disperses to be seated in the zoological park.Because away from urban drainage pipe network, the sewage (as wash-down water) in these venues has caused harm just directly discharge without any processing to the water surrounding in the zoological park, city usually.This class sewage has characteristics such as dispersion, little, the intermittently discharged of amount, belongs to typical point source sewage.Because large-scale water beast (river horse, rhinoceros etc.) mainly lives in the water, so that the class venue all has tank is used for large-scale water beast.The sewage quantity of this class venue is big, pollutes heavyly, and upgrades tank at every turn and all needs a large amount of tap water.
Can handle back reuse or discharging nearby to reduce the investment of pipeline to these class source of pollution; Reusing sewage after the purification can be saved water resources in pouring greenery patches and flushing venue.
Filtration has the suspended substance removal in the water body effective, and equipment volume is little, power facility is simple, and operational management is convenient, and treat effluent influences characteristics such as little to the animals and plants in the water body, often is used in landscape water body is handled.But the conventional filtration method does not have removal effect substantially to the dissolubility pollutant in the water body, and dissolubility pollutant can be accumulated in water body.The BAF system is the pollutent that utilizes in the biomembrance process treating water, and solvability and non-solubility pollutent are all had good removal effect, but needs aerator, and energy consumption is big, and operational management is complicated and noise is big.
Summary of the invention
One of purpose of the present invention is to provide a kind of system that disperses sewage disposal of point source and separate-recycling, provides the approach of an efficient low-consume, resource utilization for disperseing point source sewage disposal.
Another object of the present invention is to provide a kind of method of disperseing sewage disposal of point source and separate-recycling.
The present invention will precipitate adjusting, biological filter and combine the environmentally friendly dispersion point source wastewater treatment and reuse technology that is integrated into ozone oxidation.Biological filter in this system has utilized general filtering system, but water intake mode, oxygenation mode and filtrate are improved, make it both to have the characteristics of BAF, exempted aerator again, thereby reach the dissolubility pollutant that effectively to remove in the water body, can reduce system's operation energy consumption again, eliminate the detrimentally affect of noise animal venue surrounding enviroment.
System of the present invention utilizes sedimentary adjustive pool to remove most suspended substances and regulates water quality; Utilize the organic pollutant in the treating sewage by using biological membrane that forms on the filtration of biological filter and the filtrate, remove ammonia nitrogen, total suspended solid simultaneously; Utilize the filter tank water outlet of the further decontamination of biological of ozone oxidation, kill the pathogenic bacteria in the water simultaneously.Can the sewage after the treatment and purification be carried out separate-recycling (part is used for greening irrigation, and part is used for the venue flushing) according to the requirement of different reuse waters.This not only can reduce the harm of dispersion point-source pollution to peripheral water body environment, can also save water resources.Considering the urban look effect when working design, this system is being adapted with surrounding enviroment, is a technology with development prospect.
The system of dispersion point source sewage disposal of the present invention and separate-recycling is made of environmental engineering unit sedimentary adjustive pool, biological filter and ozone oxidation unit combination, it is characterized in that:
One sedimentary adjustive pool I is connected with biological filter II by pipeline; Biological filter II is connected with clean water basin III by pipeline;
One clean water basin III has two water outlets, and wherein a water outlet is connected with ozone oxidation unit IV by pipeline, and another water outlet directly is connected with the pipeline that is used for green land irrigation.
Disperse point source sewage to regulate water quality and remove the part suspended substance through sedimentary adjustive pool; Sewage after utilizing the microbial film that forms on the filtration of biological filter and the filtrate further to handle to handle through sedimentary adjustive pool, the organic pollutant in the degradation of sewage is removed ammonia nitrogen, total suspended solid simultaneously effectively; According to the requirement of reuse water, but biological filter treating water direct reuse is in pouring; According to the requirement of flushing venue water, ozone oxidation is further handled the biological filter water outlet, the residual organic pollutant in the water outlet of oxidative degradation biological filter and kill pathogenic bacteria, and can be used for after ozone Oxidation Treatment, washed venue.
Described biological filter II mainly is made of filtrate, catchment area, triangle overflow weir, perforation filter plate, short-handled filter head, perforation water inlet water distributor, clear water collection and backwash tube, backwashing pump etc.;
One perforation filter plate (having aperture) is divided into filtrate district, following two districts, catchment area with biological filter II, aperture place at filter plate is equipped with short-handled filter head, catchment area below filter plate is equipped with clear water and collects and backwash tube, filtrate district above filter plate is filled with the filtrate of certain altitude, be installed on the sidewall of biological filter II at a triangle overflow weir above the filtrate, a perforation water inlet water distributor is installed in triangle overflow weir top.
Top cover is arranged at the top of described biological filter II, is provided with inspection window, easy access on top cover.
The perforation water inlet water distributor of described biological filter II is connected with the water outlet of sedimentary adjustive pool I, the clear water that biological filter II bottom is laid collect with backwash tube by a pipeline that has threeway link to each other with backwashing pump (backwashing pump can install as required on the ground or in the underground pipe gallery), on a water outlet of threeway and pipeline that clean water basin III is connected, a valve is installed, on another water outlet of threeway and pipeline that backwashing pump is connected, valve is installed.
The filtrate of described biological filter II is a ceramic grain filter, and sewage adopts the drop mode evenly to enter among the II of biological filter by perforation water inlet water distributor; Biological filter II can be arranged to one or more parallel running as required.
The water inlet pipe of described ozone oxidation unit IV is connected with the clear water submersible pump, and the clear water submersible pump is installed among the clean water basin III.
Dispersion point source sewage disposal of the present invention and separate-recycling system are as follows to the method for disperseing point source sewage disposal and separate-recycling:
Disperse point source sewage at first to enter sedimentary adjustive pool I, after regulating water quality and removing the part suspended substance, utilize the gravity drop evenly to enter among the II of biological filter, the microbial film that forms on the filtration of biological filter II and filtrate is handled the organic pollutant in the degradation of sewage, removes ammonia nitrogen, total suspended solid simultaneously; The water conservancy of handling through biological filter II enters among the clean water basin III with gravity and stores; According to different reuse requirements in water quality, the clear water among the clean water basin III can be used for watering the greenery patches; Or according to the requirement of washing the venue water, further the water among the clean water basin III is pumped among the ozone oxidation unit IV and carry out ozone Oxidation Treatment, residual organic pollutant in the oxidative degradation clean water basin III water outlet and kill pathogenic bacteria, the water after ozone Oxidation Treatment can be used for washing venue.
System of the present invention can be referring to Fig. 1～2 to the method for disperseing point source sewage disposal and separate-recycling:
One perforation filter plate 4 is divided into filtrate district, following two districts, catchment area with the biological filter II that a top has top cover 8; Disperse point source sewage after pump well is collected, by entering among the sedimentary adjustive pool I after the sump pump lifting, post precipitation through certain hour, the sedimentary adjustive pool water outlet utilizes gravity evenly to enter biological filter II (the drop mode helps oxygenation) by 6 drops of perforation water inlet water distributor, after handling, filtrate district 1 enters catchment area 2 by short-handled filter head 5, after clear water collection and backwash tube 7 collections, utilize gravity through clear water collect with backwash tube 7 pipelines on threeway and pipeline 12, enter among the clean water basin III by clear water tube valve 11 and to store.According to different reuse requirements in water quality, the water in a part of clean water basin is back to the pouring greenery patches, and another part water outlet enters among the ozone oxidation unit IV by the clear water submersible pump, can be back to the flushing venue through the water after the ozonize.When not carrying out back flushing, close another water outlet of threeway and the backwash tube valve 10 on the backwashing pump connecting pipeline.The biological filter needs back flushing after operation for some time, close clear water tube valve 11 during back flushing earlier, open backwashing pump 9 and backwash tube valve 10 then, backwashing water derives from clean water basin, collection enters catchment area 2 with backwash tube 7 through clear water, and 2 rectifications in the catchment area are after enter filtrate district flushing filtrate by short-handled filter head 5; Backwashing water is discharged in the pump well that disperses point source sewage after triangle overflow weir 3 is collected.
Dispersion point source sewage disposal of the present invention and separate-recycling system have following advantage:
1, sewage disposal and sewage separate-recycling are combined, and according to different reuse requirements in water quality, utilize the biological filter as the main body of disperseing point source sewage disposal, utilize the ozone oxidation unit further to handle the water outlet of biological filter, sewage after the processing can be back to greening irrigation and venue flushing, has saved water resources.This integrated technology has advantages such as treatment effect is good, energy consumption is low, easy to operate.
2, measures such as inlet and drop mode oxygenation and ceramic grain filter are adopted in the biological filter, make the biological filter have the function of removing insoluble pollutent and dissolubility pollutant simultaneously, this biological filter does not need aerating system, and energy consumption is low, noise is little, and is little to the surrounding enviroment influence; Adopt the parallel way operation of a plurality of little filter tanks, can reduce the water consumption of biological filter back flushing, reduced the requirement of biological filter auxiliary facility.
Below in conjunction with drawings and Examples dispersion point source sewage disposal of the present invention and separate-recycling system and method are further described.
Description of drawings
Fig. 1. the synoptic diagram of dispersion point source sewage disposal of the present invention and separate-recycling system.
Fig. 2. the synoptic diagram of the biological filter II in dispersion point source sewage disposal of the present invention and the separate-recycling system.
Reference numeral
I. sedimentary adjustive pool II. biological filter
III. clean water basin IV. ozone oxidation unit
1. filtrate 2. cloth pools
3. V-notch weir 4. perforation filter plates
5. short-handled filter head 6. perforation water inlet water distributors
7. clear water is collected and backwash tube 8. top covers
9. backwashing pump 10. backwash tube valves
11. clear water tube valve 12. clear water rising pipes
Embodiment
Embodiment 1:
See also Fig. 1.The system of dispersion point source sewage disposal of the present invention and separate-recycling is formed by environmental engineering unit sedimentary adjustive pool, biological filter and ozone oxidation unit combination.
One sedimentary adjustive pool I is connected with biological filter II by pipeline; Biological filter II is connected with clean water basin III by pipeline;
One clean water basin III has two water outlets, and wherein a water outlet is connected with ozone oxidation unit IV by pipeline.
Biological filter II as shown in Figure 2, filtrate is a ceramic grain filter in the described biological filter, sewage adopts the drop modes evenly to enter among the II of biological filter by perforation water inlet water distributor 6.
With system of the present invention the sewage in river horse shop, zoological park, Wuhan is handled.
River horse shop, zoological park, Wuhan is one of important view in this zoological park.2 of river horses have been raised in this shop, and feed is a green grass.River horse mainly lives in the pond in the river horse shop.Because the ight soil of river horse is emitted in the pond basically, adds remaining green grass feed, so the water in the pond, river horse shop needs regularly to change with tap water, the replacing frequency of Various Seasonal water is also different.Because the river horse shop is away from urban drainage pipe network, the sewage of river horse shop discharging just directly enters contiguous ink lake without any processing, and the water surrounding in the zoological park has been caused harm.In addition, because each water of changing needs a large amount of tap water, consumed precious water resource.Changing the required water yield from the beginning in pond summer is 180m
3/ time, then be 80m winter
3/ time.This class sewage has characteristics such as dispersion, little, the intermittently discharged of amount, and suitable treatment process is exactly sewage on-the-spot disposal and reuse.
Sewage is from river horse shop tank, and the sewage quality index is as follows, TSS:60～139mg/L, COD
Cr: 123～287mg/L, TN:7～27mg/L, TP:1.82～5.02mg/L, turbidity (NTU): 16.7～38.4.
At the water quality condition in river horse shop, adopted dispersion point source sewage disposal of the present invention and separate-recycling technology that the sewage in river horse shop is handled.Consider the view situation and the topography and geomorphology in zoological park, make full use of the topography and geomorphology of river horse shop periphery when this system design and construction, sedimentary adjustive pool and biological filter are built on the contiguous hillside in river horse shop, afforest around the hillside fields, turf plant and trees are so that the sewage after handling can be used for greening irrigation.
Through the processing of sedimentary adjustive pool and biological filter, the effluent quality of biological filter is: COD
CrMaintain below the 20mg/L, TN maintains below the 5mg/L, and TP maintains below the 1.0mg/L, and turbidity maintains below the 5NTU; Meet urban sewage recycling national standard (urban sewage reutilization GB/T 18921-2002) through the effluent quality index after the ozone oxidation cell processing.
Engineering Application Research of the present invention shows: this system has obvious processing effect, low, the environment of energy consumption The characteristics such as close friend.
Claims (6)
1. system that disperses sewage disposal of point source and separate-recycling, this system is made of environmental engineering unit sedimentary adjustive pool, biological filter and ozone oxidation unit combination, it is characterized in that:
One sedimentary adjustive pool (I) is connected with biological filter (II) by pipeline; Biological filter (II) is connected with clean water basin (III) by pipeline;
One clean water basin (III) have two water outlets, and wherein a water outlet is connected with ozone oxidation unit (IV) by pipeline, and another water outlet directly is connected with the pipeline that is used for green land irrigation;
Described biological filter (II) mainly is made of filtrate, catchment area, triangle overflow weir, perforation filter plate, short-handled filter head, perforation water inlet water distributor, clear water collection and backwash tube, backwashing pump;
One perforation filter plate is divided into filtrate district, following two districts, catchment area with biological filter (II), aperture place at filter plate is equipped with short-handled filter head, catchment area below filter plate is equipped with clear water and collects and backwash tube, filtrate district above filter plate is filled with filtrate, be installed on the sidewall of biological filter (II) at a triangle overflow weir above the filtrate, a perforation water inlet water distributor is installed in triangle overflow weir top.
2. system according to claim 1 is characterized in that: the water inlet pipe of described ozone oxidation unit (IV) is connected with the clear water submersible pump, and the clear water submersible pump is installed in the clean water basin (III).
3. system according to claim 1 is characterized in that: described biological filter (II) is one or more parallel connection.
4. system according to claim 1, it is characterized in that: the perforation water inlet water distributor of described biological filter (II) is connected with the water outlet of sedimentary adjustive pool (I), clear water is collected and is linked to each other with backwashing pump by a pipeline that has threeway with backwash tube, on a water outlet of threeway and pipeline that clean water basin (III) are connected, a valve is installed, on another water outlet of threeway and pipeline that backwashing pump is connected, a valve is installed.
5. according to claim 1 or 3 described systems, it is characterized in that: top cover is arranged at the top of described biological filter (II).
One kind according to each described system of claim 1～5 to disperseing the method for point source sewage disposal and separate-recycling, it is characterized in that:
Disperse point source sewage at first to enter sedimentary adjustive pool (I), after regulating water quality and removing the part suspended substance, utilize the gravity drop evenly to enter in the biological filter (II), the microbial film that forms on the filtration of biological filter (II) and filtrate is handled the organic pollutant in the degradation of sewage, removes ammonia nitrogen, total suspended solid simultaneously; The water conservancy of handling through biological filter (II) enters with gravity in the clean water basin (III) and is used to water the greenery patches; Or the water in the clean water basin (III) pumped in the ozone oxidation unit (IV) carry out ozone Oxidation Treatment, the residual organic pollutant in oxidative degradation clean water basin (III) water outlet and kill pathogenic bacteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100864029A CN100429163C (en) | 2005-09-12 | 2005-09-12 | Dispersed spot source sewage treating and grading reusing system and its operation process |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100864029A CN100429163C (en) | 2005-09-12 | 2005-09-12 | Dispersed spot source sewage treating and grading reusing system and its operation process |
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| CN1931747A CN1931747A (en) | 2007-03-21 |
| CN100429163C true CN100429163C (en) | 2008-10-29 |
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| CNB2005100864029A Expired - Fee Related CN100429163C (en) | 2005-09-12 | 2005-09-12 | Dispersed spot source sewage treating and grading reusing system and its operation process |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311131B (en) * | 2007-05-23 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Sewage handling method and uses thereof |
| CN103214098B (en) * | 2013-04-28 | 2014-03-12 | 湖北师范学院 | Dispersed point source sewage treatment suspension device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02157098A (en) * | 1988-12-08 | 1990-06-15 | Meidensha Corp | Sewage treatment apparatus |
| RU1834857C (en) * | 1991-06-07 | 1993-08-15 | С.В.Трунов | Device for biological purification of sewage water |
| CN1248398A (en) * | 1998-09-23 | 2000-03-29 | 王秉心 | Closed circulation cultivation system |
-
2005
- 2005-09-12 CN CNB2005100864029A patent/CN100429163C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02157098A (en) * | 1988-12-08 | 1990-06-15 | Meidensha Corp | Sewage treatment apparatus |
| RU1834857C (en) * | 1991-06-07 | 1993-08-15 | С.В.Трунов | Device for biological purification of sewage water |
| CN1248398A (en) * | 1998-09-23 | 2000-03-29 | 王秉心 | Closed circulation cultivation system |
Non-Patent Citations (1)
| Title |
|---|
| 生物处理技术对生活污水净化效果的研究. 陈艺娟等.中国公共卫生，第18卷第9期. 2002 * |
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