CN205382060U - Villages and small towns domestic sewage ecologization oligodynamic treatment system - Google Patents
Villages and small towns domestic sewage ecologization oligodynamic treatment system Download PDFInfo
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- CN205382060U CN205382060U CN201620058865.8U CN201620058865U CN205382060U CN 205382060 U CN205382060 U CN 205382060U CN 201620058865 U CN201620058865 U CN 201620058865U CN 205382060 U CN205382060 U CN 205382060U
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Abstract
The utility model discloses a villages and small towns domestic sewage ecologization oligodynamic treatment system, including the one -level wetland, second grade wetland and tertiary wetland, the one -level wetland, the middle part of second grade wetland and tertiary wetland sets up to the work passageway, it is provided with the grid to work under the passageway, the sedimentation tank, the anaerobism pond, loaded filter pond and cistern, the entry of grid is provided with the sewage entry, the outlet of grid is connected in the sedimentation tank, outlet in the anaerobism pond connection of sedimentation tank, the sedimentation tank is connected with the sludge impoundment with row's mud mouth in anaerobism pond, be provided with anaerobism pond water pump in the anaerobism pond, anaerobism pond water pump is connected with the loaded filter pond, be provided with the cistern water pump in the cistern, cistern water pump and cistern water pump articulate. Compared with the prior art, the utility model discloses the biochemical pretreatment process in underground arranges underground that area is little, and the outward appearance is pleasing to the eye, help rural afforestation, when realizing that the water purifies, reach the purpose of beautifying the view, bringing economic benefits, have the value of popularization and application.
Description
Technical field
The present invention relates to a kind of sewage disposal system, particularly relate to a kind of domestic sewage of villages and small towns ecology micro power and process system.
Background technology
Actively develop the Sewage Treatment Facilities of compact community, rural area and supporting sewage collecting pipeline network construction thereof, it is possible to efficiently control Rural Water Environment pollution problem, conscientiously accomplish the protection to environmental resource, it is achieved society, economy, environment harmonious development.
Domestic sewage of villages and small towns pollution type is polluted and nitrogen and phosphorus pollution based on organic oxygen consumption, and bio-degradable is good, and N, P content are high, but discharge dispersion；Build the sewage treatment plant being similar to cities and towns in villages and small towns or domestic sewage in rural areas is transported to cities and towns by pipeline, needed for costly, traditional waste water treatment process, because construction cost is high, operating cost is high, energy consumption is high, to nitrogen, phosphorus ligands weak effect, is difficult to adapt to the needs of rural domestic sewage treatment.Therefore, be badly in need of miniaturization, construction cost is little, operating cost is low, manage easy to maintenance, treatment effect and process system that ecoscape is effective.
Existing domestic sewage of villages and small towns processes system or device, mostly adopt single technical finesse, such as artificial swamp, the algae pool, Efficiency for Soil Aquifer Treatment etc., its shortcoming is: certain technical finesse poor effect of single use, comprehensive use floor space is big, and a lot of processing procedures are not past the assimilation of subsoil water loaded filter.If patent number is the patent of CN2286176Y, process 100m3 water, it is necessary to land area 1000m2
Some device is without aerator, it is easy to result in blockage, and inconvenience cleaning, as patent 200910051854.1 " a kind of rural domestic sewage treating device and processing method " adopts light filter material to be combined process domestic sewage in rural areas with activated sludge, is not provided with aeration facility.
Summary of the invention
The purpose of the present invention is that provides a kind of domestic sewage of villages and small towns ecology micro power to process system to solve the problems referred to above.
The present invention is achieved through the following technical solutions above-mentioned purpose:
nullThe present invention includes one-level wetland、Two grades of wetlands and three grades of wetlands，Described one-level wetland is higher than described two grades of wetlands，Described two grades of wetlands are higher than described three grades of wetlands，Described one-level wetland、The middle part of described two grades of wetlands and described three grades of wetlands is set to work passageway，Described work passageway is arranged with grid、Sedimentation tank、Anaerobic pond、Loaded filter pond and cistern，Described three grades of wetlands are provided with drain pipe，Described one-level wetland is provided with cistern water pump joint，The entrance of described grid is provided with sewage inlet，The discharge outlet of described grid connects in described sedimentation tank，The discharge outlet of described sedimentation tank connects in described anaerobic pond，Described sedimentation tank is connected with sludge-tank with the mud discharging mouth of described anaerobic pond，Anaerobic pond water pump it is provided with in described anaerobic pond，Described anaerobic pond water pump is connected with described loaded filter pond，Cistern water pump it is provided with in described cistern，Described cistern water pump is connected with described cistern water pump joint.
Further, be provided with in described grid and delete bar, described in delete bar tilt install；Being provided with in described sedimentation tank into water flow-stopping plate, the lower section of described water inlet flow-stopping plate is sludge bucket.
Specifically, the first gravel layer, the first cinder rock granular layer, the first fine ash rock granular layer, coarse sands layer, the second fine ash rock granular layer, the second cinder rock granular layer and the second gravel layer it is provided with from the bottom to top in described loaded filter pond, described second gravel layer be provided above water distributor, described water distributor is connected with anaerobic pond water pump, it is provided with aeration tube in described first fine ash rock granular layer, described aeration tube is connected with aerator, being provided with backwash tube in described first cinder rock granular layer, described backwash tube is connected with flushing water interface.
Further, it is additionally provided with equipment room, sludge pump, aerator and control unit interface are set in described equipment room；Described one-level wetland and described two grades of wetlands are wetland gravel layer, wetland cinder rock granular layer, wetland fine ash rock granular layer, wetland coarse sands layer and wetland soil from the bottom to top, and described three grades of wetlands are wetland gravel layer；Being additionally provided with mesh plantation module, in described mesh plantation module, planting plants is placed in described one-level wetland, described two grades of wetlands and described three grades of wetlands.
The beneficial effects of the present invention is:
The present invention is that a kind of domestic sewage of villages and small towns ecology micro power processes system, compared with prior art, present invention have the advantage that
1. underground biochemical pretreatment technology is arranged in underground, and floor space is little, specious；If treatment scale is 40m3/d, earth's surface floor space is that underground biochemistry preprocessing system floor space is only about 20m2, but actual earth's surface is except arranging that other region of access hole does not affect current, supporting equipment room floor space is 7.5m2, artificial wet land system floor space is about 120m2, but if artificial swamp is combined formation Ecological Park with surrounding landscape construction, it will not take special place.
2. artificial wet land system is arranged on the ground, but is not limited to regular figure, it is possible to combine closely with surrounding landscape construction, contributes to rural area greening, while realizing water body purification, reaches the purpose beautified view, bring economic benefit；
3. this technological synthesis make use of physical action, microbial action and Wetland ecological measure to process sanitary sewage, has that water treatment efficiency is good, construction investment is low, energy consumption is little, operating cost is low and manages the advantages such as easy to maintenance；
4. this technology relatively prior art adds loaded filter system, and the sewage processed, through the assimilation of loaded filter system, can effectively kill the microorganism such as antibacterial, virus.Due to particular fillers and the aeration system of loaded filter, in conjunction with the artificial swamp on earth's surface, greatly strengthen denitrogenation dephosphorizing function.
5. rational in infrastructure compact, it is embedded in underground and is favorably incubated, still can be properly functioning in cold winter, pollution-free, noiseless, free from extraneous odour, reduces secondary pollution；
6. available time set timing operation, automaticity is high；Energy consumption is low, and only water pump, aerator, sludge pump need power supply.
Accompanying drawing explanation
Fig. 1 is the artificial swamp horizontal layout schematic diagram of the present invention；
Fig. 2 is the vertical view internal structure schematic diagram of the present invention；
Fig. 3 is the A-A profile in Fig. 2 of the present invention；
Fig. 4 is the sedimentation tank profile of the present invention；
Fig. 5 is the sedimentation tank top view of the present invention；
Fig. 6 is the anaerobic pond profile of the present invention；
Fig. 7 is the anaerobic pond top view of the present invention；
Fig. 8 is B-B profile in Fig. 2 of the present invention；
Fig. 9 is the reservoir structure figure of the present invention；
Figure 10 is the grid profile of the present invention；
Figure 11 is the grid top view of the present invention；
Figure 12 is the cross-section structure layout drawing 1 of the present invention；
Figure 13 is the cross-section structure layout drawing 2 of the present invention；
Figure 14 is the mesh planting die block structure schematic diagram of the present invention.
nullIn figure: 1-one-level wetland、Bis-grades of wetlands of 2-、Tri-grades of wetlands of 3-、4-works passageway、5-cistern water pump joint、6-drain pipe、7-sewage inlet、8-grid、9-sedimentation tank、10-anaerobic pond、11-loaded filter pond、12-cistern、13-equipment room、14-sludge-tank、15-anaerobic pond water pump、16-cistern water pump、17-flushing water interface、18-aerator、19-sludge pump、20-control unit interface、21-loaded filter pond air vent、22-anaerobic pond air vent、23-sedimentation tank air vent、24-is intake flow-stopping plate、25-sludge bucket、26-water distributor、27-aeration tube、28-backwash tube、29-the first gravel layer、30-the first cinder rock granular layer、31-the first fine ash rock granular layer、32-coarse sands layer、33-the second fine ash rock granular layer、34-the second cinder rock granular layer、35-the second gravel layer、36-deletes bar、37-wetland gravel layer、38-wetland cinder rock granular layer、39-wetland fine ash rock granular layer、40-wetland coarse sands layer、41-wetland soil、42-mesh plantation module.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
nullAs shown in Figures 1 to 7: the present invention includes one-level wetland 1、Two grades of wetlands 2 and three grades of wetlands 3，Described one-level wetland 1 is higher than described two grades of wetlands 2，Described two grades of wetlands 2 are higher than described three grades of wetlands 3，Described one-level wetland 1、The middle part of described two grades of wetlands 2 and described three grades of wetlands 3 is set to work passageway 4，Described work passageway 4 is arranged with grid 8、Sedimentation tank 9、Anaerobic pond 10、Loaded filter pond 11 and cistern 12，Described three grades of wetlands 3 are provided with drain pipe 6，Described one-level wetland 1 is provided with cistern water pump joint 5，The entrance of described grid 8 is provided with sewage inlet 7，The discharge outlet of described grid 8 connects in described sedimentation tank 9，The discharge outlet of described sedimentation tank 9 connects in described anaerobic pond 10，Described sedimentation tank 9 is connected with sludge-tank 14 with the mud discharging mouth of described anaerobic pond 10，It is provided with anaerobic pond water pump 15 in described anaerobic pond 10，Described anaerobic pond water pump 15 is connected with described loaded filter pond 11，It is provided with cistern water pump 16 in described cistern 12，Described cistern water pump 16 is connected with described cistern water pump joint 5.The process of sedimentation tank 9, to liking suspended material (SS), can remove part BOD5 simultaneously, can improve the service condition of biological treatment structures and reduce the load of its BOD5.Sewage enters sedimentation tank 5 by pipeline from grid, current are under the effect of flow-stopping plate, suspended particulate matter in sewage precipitates under natural gravity effect, enters sludge pipe and be removed under hydrostatic pressure, and upper strata clear water then enters anaerobic pond by the pipeline above sedimentation tank water side.Sedimentation tank is provided above pore to ensure normal natural overflow, and this pore may also operate as the function observing pond inner case, delivering medicament simultaneously.Anaerobic pond utilizes the function of anaerobe, makes Organic substance be hydrolyzed, acidifying and methanation, removes the Organic substance in waste water, and improves the biodegradability of sewage, is conducive to follow-up Aerobic Process for Treatment.Meanwhile, anaerobic environment may additionally facilitate Denitrification, improves the elimination to nitrogen.Sewage enters anaerobic pond by pipeline from sedimentation tank, and in sewage, the metabolite such as remaining levitation material and microbial bacterial continues to precipitate under natural gravity effect.Anaerobic pond top is provided with one-way vent, in order to builds anaerobic environment and improves the activity of denitrifying bacterium, and the gas that Denitrification simultaneously and a small amount of microbial respiratory activity produce also can smooth discharge.Sewage now still has higher organic concentration, can provide carbon source for Denitrification, ensure denitrification effect.After abundant reaction treatment, in cell body, clear water, by water pump extracting, enters loaded filter pond through water distributor at the middle and upper levels.The biological treatment structures that loaded filter is mainly made up of fillers such as various rubbles, coarse sand, flyash, sewage and the microbial film gap-contact of growth on filling surface, make sewage be purified.
As shown in Figure 10 and Figure 11: be provided with in described grid 8 and delete bar 36, delete bar 36 described in tilt to install；Being provided with in described sedimentation tank into water flow-stopping plate, the lower section of described water inlet flow-stopping plate is sludge bucket.Grid is made up of metal grizzly bar one group parallel or screen cloth, is arranged on sewage disposal system water inlet front end, in order to retain bigger float or floating thing.
As shown in Figure 8: (this layer of filler major function is for catchmenting and water outlet to be provided with the first gravel layer in described loaded filter pond from the bottom to top, sewage is from top to bottom after multiple filtration processes, enter cistern by crossing aquaporin bottom loaded filter pond, immersible pump extracting process to ground artificial wetland.This layer of gravel filling particle diameter is relatively big, can play the effect of certain support.This layer there also is provided backwash tube, when there is clogging in system, can carry out backwash makes filter course regenerate), the first cinder rock granular layer, the first fine ash rock granular layer, coarse sands layer (coarse sand, based on fluvial sand, main component is based on silicon dioxide, particle diameter 0.5～2mm, depth of packing 30cm.Second, third, the 4th layer of filler major function be denitrogenation dephosphorizing, have the function of filtration concurrently simultaneously), the second fine ash rock granular layer, the second cinder rock granular layer and the second gravel layer, described second gravel layer be provided above water distributor, described water distributor is connected with anaerobic pond water pump, it is provided with aeration tube in described first fine ash rock granular layer, described aeration tube is connected with aerator, is provided with backwash tube in described first cinder rock granular layer, and described backwash tube is connected with flushing water interface.
Aeration tube is arranged in third layer filler, intends being evenly arranged three aeration tubes in the direction of the width.The effect of aeration tube is injection air, builds aerobic environment for microorganism.According to removing 1kgBOD5Probably need 1.5kgO2Gauge calculate, sewage design water inlet BOD5Concentration is 150mg/L, sedimentation tank, anaerobic pond clearance respectively by 20%, 60% calculating, then enter the loaded filter pond stage, in sewage remain BOD5Concentration is 48mg/L, and loaded filter is eaten clearance and estimated by 50%, then need to remove the amount of 24mg/L.
According to system design maximum flow rate calculation, BOD5Removal amount is 0.04kg/h, and oxygen demand is O in the every kg air of 0.06kg/h2Content be 0.233kg, namely aeration rate is 0.26kg/h；Atmospheric density is 1.239kg/m3, then aeration rate is 0.21m3/ h, the coefficient of oxygen utilization of micro-pore aeration is by 40% calculating, then the actual aeration rate of system should control at 0.5m3About/h, aeration rate is less, it is contemplated that the method adopting intermittent aerating.
Water distributor is arranged in layer 7 filling surface, intends adopting " H " type mode, is responsible for direct UNICOM to anti-filter Chi Ceng center, and two arms that are arranged in parallel on the length direction of both sides, uniform pore openings on arm, in order to make full use of the hydraulic pressure water distribution uniformity that water pump provides.The effect of water distributor is at plane space water distribution uniformity, it is to avoid the waste of filler.Caliber size is DN25mm.
Backwash tube is arranged in ground floor filler, intends being evenly arranged two backwash tubes in the direction of the width.The effect of backwash tube is when system needs carry out Regeneration and Repair or clean, bottom the layer of anti-filter pond, pour into clear water internal system is carried out, clean water and enter anaerobic pond by the mode of up cross flow from pre-arranged passage above water distributor, thus reaching the purpose of cleaning.Caliber size is DN25mm.
Cistern major function is water storage, in order to the normal use of immersible pump.Also provide accommodation space for immersible pump simultaneously.Immersible pump adopts sewage pump, and concrete model is determined as required.
As shown in Fig. 3, Figure 12 to Figure 14: be additionally provided with equipment room, sludge pump, aerator and control unit interface are set in described equipment room；Described one-level wetland and described two grades of wetlands are wetland gravel layer, wetland cinder rock granular layer, wetland fine ash rock granular layer, wetland coarse sands layer and wetland soil from the bottom to top, and described three grades of wetlands are wetland gravel layer；Being additionally provided with mesh plantation module, in described mesh plantation module, planting plants is placed in described one-level wetland, described two grades of wetlands and described three grades of wetlands.Artificial swamp can utilize the physics in natural ecosystems, chemical and biological triple synergism, by filtering, absorption, the exchange of coprecipitated, ion, plant absorption and microbial decomposition realize the effective purification to sewage.Meanwhile, artificial swamp also has ecoscape function concurrently, it is possible to coordinate local area ambient conditions to make wetland landscape.
Artificial swamp horizontal layout intends the mode of the wet land system parallel connection adopting many groups relatively independent.Due to the needs of underground biochemistry pre-treatment facility periodic maintenance maintenance, work passageway need to be reserved in ground.Therefore, ground artificial wet land system intends being arranged in the both sides in reserved work passageway, and every side has wet land system four groups in parallel.Often group wet land system all includes the processing unit of one-level, two grades, three grades three series connection, and wherein each group system I and II processing unit is separate, and three stage treatment unit is then connection.Whole artificial wet land system totally 8 groups, including 8 coagulation unit, 8 two stage treatment unit, 2 three stage treatment unit.
Sewage treatment process of the present invention illustrates as follows:
1. first sewage flow into grid pond after by anaerobic tank or methane-generating pit.Artificial grid it is provided with, it is possible to intercept the bulk foreign material in sewage, it is prevented that blocking pipeline and subsequent processing device in grid pond.
2. after, sewage enters sedimentation tank.Utilizing natural gravity effect, precipitation removes the suspended material (SS) in sewage, and nitrogen substance based on ammonification, nitration reaction, is prepared for follow-up denitrogenation dephosphorizing under antibacterial, microbial action.
3. then sewage enters anaerobic pond.Utilize denitrifying bacterium effect under anaerobic to carry out anti-nitration reaction, to reach the purpose of denitrogenation, and remove part COD and BOD.
4. then sewage enters loaded filter pond by water pump extracting.Loaded filter pond is made up of the filler of multiple different-grain diameter size, different material kind, and packing material size is from top to bottom gradually increased.Filler is laid aeration perforated pipe, under proper condition sewage is carried out oxygenation and stirring, coordinate filler to carry out dephosphorization.Sewage from top to bottom by anti-filter pond layer, is fully filtered by sewage by upper strata water distributor, removes the impurity such as antibacterial, microorganism residue, and after filtration, sewage enters cistern.
5. utilize water pump, by the sewage extracting in cistern to artificial swamp coagulation unit, and flow through two grades, three stage treatment unit successively, remove the pollutant such as COD, BOD, SS, NH3-N, TN, TP remaining in sewage, last qualified discharge further.
Sediment, mud the like waste that each process equipment operation phase produces will be periodically subject to cleaning.Each artificial wetland treatment unit is all additionally provided with drain pipe and is connected to sedimentation tank, in order to when system is rinsed, and receives flushing waste water.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (7)
- null1. a domestic sewage of villages and small towns ecology micro power processes system，It is characterized in that: include one-level wetland、Two grades of wetlands and three grades of wetlands，Described one-level wetland is higher than described two grades of wetlands，Described two grades of wetlands are higher than described three grades of wetlands，Described one-level wetland、The middle part of described two grades of wetlands and described three grades of wetlands is set to work passageway，Described work passageway is arranged with grid、Sedimentation tank、Anaerobic pond、Loaded filter pond and cistern，Described three grades of wetlands are provided with drain pipe，Described one-level wetland is provided with cistern water pump joint，The entrance of described grid is provided with sewage inlet，The discharge outlet of described grid connects in described sedimentation tank，The discharge outlet of described sedimentation tank connects in described anaerobic pond，Described sedimentation tank is connected with sludge-tank with the mud discharging mouth of described anaerobic pond，Anaerobic pond water pump it is provided with in described anaerobic pond，Described anaerobic pond water pump is connected with described loaded filter pond，Cistern water pump it is provided with in described cistern，Described cistern water pump is connected with described cistern water pump joint.
- 2. domestic sewage of villages and small towns ecology micro power according to claim 1 process system, it is characterised in that: be provided with in described grid and delete bar, described in delete bar tilt install.
- 3. domestic sewage of villages and small towns ecology micro power according to claim 1 processes system, it is characterised in that: being provided with in described sedimentation tank into water flow-stopping plate, the lower section of described water inlet flow-stopping plate is sludge bucket.
- 4. domestic sewage of villages and small towns ecology micro power according to claim 1 processes system, it is characterized in that: in described loaded filter pond, be provided with the first gravel layer from the bottom to top, first cinder rock granular layer, first fine ash rock granular layer, coarse sands layer, second fine ash rock granular layer, second cinder rock granular layer and the second gravel layer, described second gravel layer be provided above water distributor, described water distributor is connected with anaerobic pond water pump, it is provided with aeration tube in described first fine ash rock granular layer, described aeration tube is connected with aerator, it is provided with backwash tube in described first cinder rock granular layer, described backwash tube is connected with flushing water interface.
- 5. domestic sewage of villages and small towns ecology micro power according to claim 4 processes system, it is characterised in that: it is additionally provided with equipment room, sludge pump, aerator and control unit interface are set in described equipment room.
- 6. domestic sewage of villages and small towns ecology micro power according to claim 1 processes system, it is characterized in that: described one-level wetland and described two grades of wetlands are wetland gravel layer, wetland cinder rock granular layer, wetland fine ash rock granular layer, wetland coarse sands layer and wetland soil from the bottom to top, and described three grades of wetlands are wetland gravel layer.
- 7. domestic sewage of villages and small towns ecology micro power according to claim 1 processes system, it is characterized in that: being additionally provided with mesh plantation module, in described mesh plantation module, planting plants is placed in described one-level wetland, described two grades of wetlands and described three grades of wetlands.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601043A (en) * | 2016-01-21 | 2016-05-25 | 四川省蜀通岩土工程公司 | Ecological micro-power treatment system for domestic sewage of villages and towns |
| CN112225390A (en) * | 2020-08-26 | 2021-01-15 | 中国农业大学 | Sewage treatment device |
| CN115572023A (en) * | 2022-11-10 | 2023-01-06 | 江苏省环保集团有限公司 | Prevent blockking up high load sewage treatment system |
-
2016
- 2016-01-21 CN CN201620058865.8U patent/CN205382060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601043A (en) * | 2016-01-21 | 2016-05-25 | 四川省蜀通岩土工程公司 | Ecological micro-power treatment system for domestic sewage of villages and towns |
| CN112225390A (en) * | 2020-08-26 | 2021-01-15 | 中国农业大学 | Sewage treatment device |
| CN115572023A (en) * | 2022-11-10 | 2023-01-06 | 江苏省环保集团有限公司 | Prevent blockking up high load sewage treatment system |
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Address after: 610000 No.22 Gaopeng Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Sichuan yekan Design Group Co.,Ltd. Address before: 610000, Sichuan Province, Chengdu, Jinniu District Jinniu Wanda Plaza, 1 blocks SOHO-B, 33 floor Patentee before: SICHUAN SHU TONG GEOTECHNICAL ENGINEERING Co. |