CN205368052U - Ecological wet land treatment system of dirty waste water low energy consumption in rural area compact community - Google Patents
Ecological wet land treatment system of dirty waste water low energy consumption in rural area compact community Download PDFInfo
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- CN205368052U CN205368052U CN201620051932.3U CN201620051932U CN205368052U CN 205368052 U CN205368052 U CN 205368052U CN 201620051932 U CN201620051932 U CN 201620051932U CN 205368052 U CN205368052 U CN 205368052U
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Abstract
The utility model provides an ecological wet land treatment system of dirty waste water low energy consumption in rural area compact community is being intake in a water direction, intakes in a water direction one -way, and sewage flows through from grid, sedimentation tank, aeration oxidation pond, two heavy ponds, anti - filtering pond, cistern in proper order, be equipped with first water pump, second water pump in two heavy ponds, the cistern respectively, first water pump goes out the water end (W. E. ) and is the two heavy cell -out mouths of a river, and the second water pump goes out the water end (W. E. ) and is the cistern delivery port, the sedimentation tank, two sinking bottom of the pool portions and equalling divide and do not be equipped with sludge bucket, two sludge bucket's play mud mouth is equallyd divide and is do not switched on with the sludge impoundment is inside, be equipped with the aeration pipe in the aeration oxidation pond, aeration pipe externally -connected gas pump, controlling means is through electric on -off operation mode control air pump, first water pump, the work of second water pump. The utility model discloses used multipurposely physical action, microbial action and wetland ecology measure and handled domestic sewage, had that the water treatment is effectual, the construction investment low, the energy consumption is little, the working costs is low and advantages such as convenience are maintained in the management.
Description
Technical field
This utility model belongs to environmental protecting device field, particularly relates to compact community, a kind of rural area stain disease low energy consumption ecological wet land treating 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.
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 publication No. is the patent of CN2286176Y, process 100m3Water, it is necessary to land area 1000m2。
Some device is without aerator, 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, being not provided with aeration facility, this device easily causes blocking and the problem of inconvenience cleaning.
Therefore, a kind of miniaturization, construction cost is little, operating cost is low, manage easy to maintenance, treatment effect and process system that ecoscape is effective is urgently developed.
Utility model content
The purpose of this utility model is in that to provide that a kind of miniaturization, construction cost are little, operating cost is low, manage easy to maintenance, treatment effect and rural compact community stain disease low energy consumption ecological wet land treating system that ecoscape is effective.
This utility model is realized in, compact community, a kind of rural area stain disease low energy consumption ecological wet land treating system, this system includes grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern, sludge-tank and controls device, wherein, on unidirectional water inflow to water outlet direction, sewage flows through from grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern successively；Being respectively equipped with the first water pump, the second water pump in described second pond, cistern, described first water pump water outlet end is secondary clarifier effluent mouth, and the second water pump water outlet end is cistern outlet；
Being provided with sludge bucket bottom described sedimentation tank, second pond respectively, the mud mouth of sludge bucket described in two is conducting internal with sludge-tank respectively, and described sludge-tank level height is lower than sludge bucket level height；
Aeration tube, the external air pump of described aeration tube it is provided with in described aeration oxidation pool；
Described control device controls air pump, the first water pump, the second pump working by electric switch mode of operation.
Preferably, described system also includes sludge pump, and described sludge pump aspiration end is connected in sludge-tank by pipeline；
Described control device controls sludge pump work by electric switch mode of operation.
Preferably, described grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern, sludge-tank are all located at underground, and described control device is located on ground；
Described sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern top are provided with pore respectively.
Preferably, described ecological wetland treatment system also includes being located at ground artificial wet land system, and described artificial wet land system includes one-level artificial swamp and two grades of artificial swamps；
Described one-level artificial swamp is paved into by gravel layer from top to bottom, cinder rock stratum, fine ash rock stratum, coarse sands layer, soil horizon, gravel layer；Described two grades of artificial swamps are that one layer of gravel layer is paved into；
Green plants is all planted on described one-level artificial swamp, two grades of artificial swamp surfaces；
Described second pump outlet enters from the gravel layer of the bottom of one-level artificial swamp, from bottom to top after one-level artificial swamp soil horizon, coarse sands layer, fine ash rock stratum, cinder rock stratum, gravel layer process, overflow, to the gravel layer of two grades of artificial swamps, is finally flowed out by outlet bottom two grades of artificial swamp gravel layers.
Preferably, being provided with flow-stopping plate between water inlet and the outlet of described sedimentation tank, the water of water inlet is changed in the sludge bucket flowed to sedimentation tank by described flow-stopping plate；
It is provided with described grid between water inlet and the flow-stopping plate of described sedimentation tank.
Preferably, gravel layer, cinder rock stratum, fine ash rock stratum, coarse sands layer, fine ash rock stratum, cinder rock stratum and gravel layer are from top to bottom laid in described anti-filter pond；
Being provided with perforation water distributor in described anti-filter pond, described perforation water distributor turns on being positioned at outlet bottom anti-filter pond.
Preferably, backwash water pipe, external 3rd water pump of described backwash water pipe are arranged in described anti-filter pond.
This utility model overcomes the deficiencies in the prior art, compact community, a kind of rural area stain disease low energy consumption ecological wet land treating system is provided, underground biochemical pretreatment technology+ecology the artificial wetland treatment adopted, the purified treatment to middle-size and small-size compact community, villages and small towns or village sanitary sewage can be realized, reach pollutant emission standard, alleviate rural area water pollution problems, improve the quality of water environment in big region.Compared to the shortcoming and defect of prior art, this utility model has the advantages that
(1) this utility model underground biochemistry pretreating device is arranged in underground, and floor space is little, and civil engineering is easy.If treatment scale is 40m3/ d, subsurface processes facility floor space is less than 20m2。
(2) this utility model 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 utility model fully utilizes physical action, microbial action and Wetland ecological measure 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 utility model 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, it is ensured that " activity " of water outlet.
(5) this utility model adopts the mode of intermittent aerating, and coordinates with artificial swamp, greatly strengthen the ability of system denitrogenation dephosphorizing.
(6) this utility model is rational in infrastructure compact, is embedded in underground and is favorably incubated, still can be properly functioning in cold winter, pollution-free, noiseless, and free from extraneous odour reduces secondary pollution.
(7) the available time set timing operation of this utility model, automaticity is high；Energy consumption is low, and only water pump, aerator, sludge pump need power supply.
(8) this utility model management maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of compact community, this utility model rural area stain disease low energy consumption ecological wet land treating system；
Fig. 2 is the cross-sectional view of artificial wet land system in the stain disease low energy consumption ecological wet land treating system of compact community, this utility model rural area；
Fig. 3 is the planar structure schematic diagram of compact community, this utility model rural area stain disease low energy consumption ecological wet land treating system.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
As shown in Figures 1 to 3, wherein, Fig. 1 is the cross-sectional view of compact community, this utility model rural area stain disease low energy consumption ecological wet land treating system；Fig. 2 is the cross-sectional view of artificial wet land system in the stain disease low energy consumption ecological wet land treating system of compact community, this utility model rural area；Fig. 3 is the planar structure schematic diagram of compact community, this utility model rural area stain disease low energy consumption ecological wet land treating system.
Compact community, a kind of rural area stain disease low energy consumption ecological wet land treating system, this system includes grid 14, sedimentation tank 1, aeration oxidation pool 2, second pond 3, anti-filter pond 4, cistern 5, sludge-tank 6 and controls device 7, wherein, in water inlet to water outlet direction, described grid 14, sedimentation tank 1, aeration oxidation pool 2, second pond 3, anti-filter pond 4, cistern 5 are sequentially connected with；
Described sedimentation tank 1, aeration oxidation pool 2, second pond 3 water inlet level height decline successively, described second pond 3 outlet level height be higher than second pond 3 water inlet height, described cistern 5 outlet level height be higher than cistern 5 water inlet height；Being respectively equipped with first water pump the 8, second water pump 9 in described second pond 3, cistern 5, described first water pump 8 water side is second pond 3 outlet, and the second water pump 9 water side is cistern 5 outlet；
Being provided with sludge bucket 10 respectively bottom described sedimentation tank 1, second pond 3, the mud mouth of sludge bucket 10 described in two arranges sludge valve 18, sludge valve 19 respectively, and conducting internal with sludge-tank 6 immediately below sludge valve 18, sludge valve 19 connects sludge pipe and passes in sludge-tank 6.Described sludge-tank 6 level height is lower than sludge bucket 10 level height；Sedimentation tank 1 top is provided with pore (omitting view in figure)；
Being provided with aeration tube 11 in described aeration oxidation pool 2, the described external air pump of aeration tube 11 (omits view) in figure；
Described control device 7 controls air pump by electric switch mode of operation, first water pump the 8, second water pump 9 works.
In this utility model embodiment, grid 14 is made up of metal grizzly bar one group parallel or screen cloth, is arranged on sedimentation tank 1 water inlet front end, in order to retain bigger float or floating thing.The process of sedimentation tank 1, to liking suspended material (SS), can remove part BOD simultaneously5, the service condition of biological treatment structures can be improved and reduce its BOD5Load.
Grid 14 intends grid in employing, interval of grid strip e=20mm, grid mounted angle α=45 °, in order to human at periodic intervals clears up.Relatively independent grid pond, grid the pond long 1m of internal diameter size, wide 1m, effective depth 1m is formed between grid 14 and sedimentation tank 1.Sewage, after grizzly bar filters, namely enters sedimentation tank 1 and processes.
In this utility model embodiment, the sedimentation tank 1 water inlet base sludge bucket 10 top width degree that struggles against is about 0.8m, and upper open area is about 0.8m2；Bucket end mud mouth width is about 0.2m, and lower open area is about 0.04m2, sludge bucket 10 is 0.46m highly about, and hopper slope is 60 °, can calculate sludge bucket 10 dischargeable capacity substantially 0.16m3.Sewage SS influent concentration is by 160mg/L, and sedimentation tank filter efficiency is by 60%, and design maximum stream flow presses 40m3/ d counts, then can often produce dirty amount daily and be about 0.08m by calculation system3/ d, namely sludge bucket 10 can hold the sludge quantity of about 2d, and system spoil disposal gap is 2 days.Sedimentation tank dischargeable capacity is about 2.6m3, system effective sedimentation time is about 1.5h.
Sedimentation tank 1 upper strata clear water enters aeration oxidation pool 2 by the pipeline above outlet.Sedimentation tank 1 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.Cell body adopts xoncrete structure, and inside carries out antiseepage leakproof Anti-scratching and processes.
In this utility model embodiment, aeration oxidation pool 2 utilizes the effect of aerobic bacteria, is organic pollution generation oxidation Decomposition, thus reaching to purify purpose.Aeration Aerobic Pond 2 is rectangular, interior path length 2m, wide 2m, degree of depth 1m.Water inlet is in water inlet end top, apertureOutlet bottom water side, apertureAnd automatic valve device is installed.Inside configuration is evenly arranged aeration tube 11, adopts the mode of intermittent aerating.Aeration tube 11 position of opening should be positioned at below effective water surface, plays injection air and stirring action.
According to removing 1kgBOD5Probably need 1.5kgO2Gauge calculate, sewage design water inlet BOD5Concentration is 150mg/L, and the clearance of sedimentation tank 1 respectively by 20% calculating, then enters aeration Aerobic Pond 2 stage, remains BOD in sewage5Concentration is about 120mg/L.Aeration Aerobic Pond 2 clearance is estimated by 80%, then need to remove the amount of 96mg/L.
According to system design maximum flow rate calculation, BOD5Removal amount is 0.16kg/h, and oxygen demand is 0.24kg/h.O in every kg air2Content be 0.233kg, namely aeration rate is 1.03kg/h；Atmospheric density is 1.239kg/m3, then aeration rate is 0.83m3/ h, the coefficient of oxygen utilization of aeration is by 60% calculating, then the actual aeration rate of system should control at 1.4m3About/h, aeration rate is less, and the method adopting intermittent aerating is suitable.
Aeration Aerobic Pond 2 dischargeable capacity is about 2.8m3, the system time of staying is about 2h.Aeration time persistence length is determined by the air force of air pump.The interval time of aeration is then automatically controlled by system control device 7.
Pore should be provided with to play the function observing pond inner case, delivering medicament above aeration Aerobic Pond 2.Cell body adopts xoncrete structure, and inside carries out antiseepage leakproof Anti-scratching and processes.
In this utility model embodiment, the flocky sludge produced during aeration Aerobic Pond 2 aeration, it is necessary to removed by staticly settling of second pond 3.Second pond 3 top is rectangle, and bottom is then funnel-form, and its center is sludge bucket 10 (being alternatively referred to as mud discharging mouth).Path length 1m in second pond 3, wide 2m, the upper strata pool wall degree of depth is 1.2m.Sludge bucket 10 degree of depth is about 0.5m, and hopper slope is 60 °, and sludge bucket 10 dischargeable capacity is about 0.5m3.Considering that SS concentration is 80mg/L, clearance, by 80%, designs maximum throughput 40m3/ d, then the often daily output dirt amount that calculates is about 0.05m3/d.Second pond 3 dischargeable capacity is about 3m3, the system time of staying is about 2h.Arrange the first water pump 8 at second pond 3, take intermittent duty mode, by clear water extracting in upper strata in cell body, enter anti-filter pond 4 through water distributor.First water pump 8 is automatically controlled by leve monitor.First water pump 8 model is determined according to specific needs.
Pore should be provided with to facilitate observation pond inner case above second pond 3.Cell body adopts xoncrete structure, and inside carries out antiseepage leakproof Anti-scratching and processes.
In this utility model embodiment, the biological treatment structures that anti-filter pond 4 is mainly made up of fillers such as various rubbles, coarse sand, flyash, on sewage and filling surface, the microbial film gap-contact of growth, makes sewage be purified.
Path length 2m in anti-filter pond 4, wide 2m, height 1.5m, wherein filler effective depth reaches 1.2m.Path length 1m in cistern 5, wide 2m, height 1.5m, it is contemplated that maximum useful storage degree of depth 1.1m.Anti-filter pond 4 filler effective drainage porosity is by 25% calculating, and available depth is by 1.1m, and useful storage volume is 1.1m3；Cistern 5 useful storage volume reaches 2.2m3, total water-retention volume is 3.3m3, the system time of staying is expected to be 2h.
Anti-filter pond 4 intends arranging 7 layers of filler from the bottom to top altogether:
Ground floor filler: gravel, Main Ingredients and Appearance based on silicon dioxide, particle diameter 30～50mm, depth of packing 15cm.This layer of filler major function is for catchmenting and water outlet, and sewage, from top to bottom after multiple filtration processes, enters cistern by crossing aquaporin bottom anti-filter pond 4, immersible pump extracting processes 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 clogging occurs in system, can carry out backwash and make filter course regenerate.
Second layer filler: cinder rock granule, Main Ingredients and Appearance based on calcium carbonate, particle diameter 5～10mm, depth of packing 20cm.
Third layer filler: fine ash rock granule, Main Ingredients and Appearance based on calcium carbonate, particle diameter 2～3mm, depth of packing 20cm.
4th layer of filler: coarse sand, based on fluvial sand, Main Ingredients and Appearance based on silicon dioxide, particle diameter 0.5～2mm, depth of packing 10cm.
Second, third, the 4th layer of filler major function be denitrogenation dephosphorizing, have the function of filtration concurrently simultaneously.
Layer 5 filler: fine ash rock granule, Main Ingredients and Appearance based on calcium carbonate, particle diameter 2～3mm, depth of packing 20cm.
Layer 6 filler: cinder rock granule, Main Ingredients and Appearance based on calcium carbonate, particle diameter 5～10mm, depth of packing 20cm.
Five, the six layers of filler major function are for filtering, and float remaining in sewage and organic matter can be retained in this layer in a large number.
Layer 7 filler: gravel, Main Ingredients and Appearance based on silicon dioxide, particle diameter 10～30mm, depth of packing 15cm.This layer of filler major function is water distribution, and filler surface cloth is equipped with perforation water distributor (omitting view and label in figure).During water distribution, gravel layer can effectively alleviate the current impact to lower floor's fine sand layer, simultaneously when backwash, it is also possible to avoids the loss of the relatively small particle size filler such as layer of sand, safeguards system structural stability.
Water distributor is arranged in layer 7 filling surface, intends adopting " H " type mode, is responsible for direct UNICOM to center, anti-filter pond 4, 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 12 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 anti-filter pond 4, pour into clear water internal system is carried out, clean water and enter second pond 3 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 5 major function is water storage, in order to the normal use of the second water pump 9.Also provide accommodation space for the second water pump 9 simultaneously.Second water pump 9 adopts sewage pump, and concrete model is determined as required.
In this utility model embodiment, controlling device 7 and can adopt Automated condtrol mode, native system is actual relates to three covering devices, and one is aerator, and two is valving, and three is water pump.The automation process of three covering devices is all controlled by leve monitor.
In the flow process of system aeration+precipitation, above aeration oxidation pool 2 internal 0.8m height and the internal sludge bucket 10 of second pond 3,0.2m highly installs leve monitor respectively.When in aeration oxidation pool 2, liquid level reaches 0.8m, triggering aeration oxidation pool 2 intake-outlet valve closing, aerator start an aeration process simultaneously automatically, and the first water pump 8 starts to draw water.When in second pond 3, liquid level is down to 0.2m height above sludge bucket 10, then automatically trigger aeration oxidation pool 2 intake-outlet valve opening, the first water pump 8 stops pumping (aerator terminates in advance, determines as the case may be) because the aeration persistent period is shorter simultaneously.
In the flow process of system anti-filter+wetland, then in cistern 5,1.1m height and 0.2m highly install leve monitor.When liquid level reaches 1.1m in cistern 5, automatically trigger the second water pump 9 and start to draw water.When liquid level is down to 0.2m height in cistern 5, then automatically triggers the second water pump 9 and stop pumping.
Concrete leve monitor riding position is determined depending on concrete condition.Circuit trend is determined depending on concrete condition.
In further implementation process, in this utility model embodiment, more specifically, being provided with flow-stopping plate 13 between water inlet and the outlet of described sedimentation tank 1, the water of water inlet is changed in the sludge bucket 10 flowed to sedimentation tank 1 by described flow-stopping plate 13；It is provided with described grid 14 between water inlet and the flow-stopping plate 13 of described sedimentation tank 1.
In this utility model embodiment, after the baffle of flow-stopping plate 13 processes, sewage holdup time in sedimentation tank 1 is more of a specified duration, and sedimentation effect is more preferably.
In further implementation process, in order to make, mud is convenient to be reclaimed, and in this utility model embodiment, described system also includes sludge pump 15, and described sludge pump 15 aspiration end is connected in sludge-tank 6 by pipeline；Described control device 7 controls sludge pump 6 by electric switch mode of operation and works.
In further implementation process, for making system be not take up space, in this utility model embodiment, described sedimentation tank 1, aeration oxidation pool 2, second pond 3, anti-filter pond 4, cistern 5, sludge-tank 6 are all located at underground, and described control device 7 is located on ground.
The earthwork excavated volume that native system construction is designed into more is less, it is contemplated that less than 150m3.In excavation soil, portion of material either directly through screening as later stage wet land filler, can reduce the environmental effect that project cost puts into and alleviates the system Construction phase.
In further implementation process, in order to make wastewater treatment efficiency more preferably perfect, in this utility model embodiment, more specifically, described ecological wetland treatment system also includes being located at ground artificial wet land system, and described artificial wet land system includes one-level artificial swamp 16 and two grades of artificial swamps 17；
Described one-level artificial swamp 16 is paved into by gravel layer from top to bottom, cinder rock stratum, fine ash rock stratum, coarse sands layer, soil horizon, gravel layer；Described two grades of artificial swamps 17 are that one layer of gravel layer is paved into；
Green plants is all planted on 16, two grades of artificial swamp 17 surfaces of described one-level artificial swamp；
Described second water pump 9 outlet enters from the gravel layer of the bottom of one-level artificial swamp 16, from bottom to top after the soil horizon of one-level artificial swamp 16, coarse sands layer, fine ash rock stratum, cinder rock stratum, gravel layer process, overflow, to the gravel layer of two grades of artificial swamps 17, is finally flowed out by outlet bottom two grades of artificial swamp gravel 17 rock layers.
In this utility model embodiment, 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 16, two grades of artificial swamps of one-level artificial swamp 17 two series connection, and wherein each group system one-level artificial swamp 16 is separate, and two grades of artificial swamp 17 unit are then connections.Whole artificial wet land system totally 4 groups, including 4 one-level artificial swamp 16 unit, 2 two grades artificial swamp 17 unit agencies.
The physical dimension of one-level artificial swamp 16 unit is 3m × 1.5m × 1.1m, and the physical dimension of two grades of artificial swamp 17 unit is 1.5m × 3m × 0.5m.
In native system, intend adopting the wetland structure of two grades of artificial swamp 17 unit series connection, wherein one-level artificial swamp 16 unit adopts vertical up undercurrent pattern, water enters processing unit from water distributor, upwards cross flow, and entering two grades of artificial swamp 17 unit by the passage above water side, upper layer of soil is water breakthrough not；Two grades of artificial swamp 17 unit adopt surface undercurrent pattern, and water is in internal system bottom horizontal flow sheet, and arranges discharge outlet bottom processing unit.
Each processing unit is into and out of water end (W.E.) Jun You water pipe UNICOM.One-level artificial swamp 16 unit water inlet intends adopting the water pipe of caliber DN25mm.Two grades of artificial swamp 17 unit water inlets (one-level artificial swamp 16 unit outlet) intend adopting the water pipe of caliber DN100mm, one-level artificial swamp 16 unit water side side bottom is provided with floss hole simultaneously, for system flush draining, intend adopting the water pipe of caliber DN25mm.Two grades of artificial swamp 17 unit outlet drain pipies intend adopting the water pipe of caliber DN25mm, and install water valve, to regulate displacement, control two grades of artificial swamp 17 unit water levels, landscape effect.
One-level artificial swamp 16 cellular construction degree of depth 1.1m, filler degree of depth 0.8m.Filler arranges five layers altogether: ground floor is gravel, particle diameter 30～50mm, and depth of packing is 20cm, and this layer is water inlet layer；The second layer is cinder rock, particle diameter 5～10mm, depth of packing 20cm；Third layer is fine ash rock, particle diameter 2～3mm, and depth of packing is 20cm；4th layer is coarse sand, particle diameter 0.5～2mm, depth of packing 10cm, and this layer is water-yielding stratum；Layer 5 is soil, is mainly Root of Wetland Plants and provides vivosphere, depth of packing 10cm.
Two grades of artificial swamp 17 cellular construction degree of depth 0.5m, filler degree of depth 0.2m, water-storage depth controls at about 0.4m.Filler arranges one layer altogether, and for gravel, particle diameter 10～30mm, depth of packing is 20cm, and this layer of bottom is provided with outlet pipe.Three stage treatment unit major function is Landscape construction, can directly reflect water quality condition after treatment simultaneously.
Plant is the feature place of artificial swamp, is also the most obvious biological characteristic of wet land treating system, is the key component of artificial swamp.Wetland plant can directly absorb the nutrient substance in sewage, absorption and enriching heavy metal and poisonous and harmful substance in systems, it is also possible to provides habitat for microorganism, and can strengthen water conservancy conduction and maintain aeration status, meanwhile, has ecoaesthetics and is worth.
Wetland plant is considered as the problems such as different types of collocation and regional adaptability in apolegamy, and adaptability problem mainly considers biotic intrusion and Climatic issues.Owing to wet land system is open-air atmosphere, the upper main thought of wetland plant apolegamy is in the winter time: low temperature resistant, evergreen.
The apolegamy of native system wetland plant mainly considers emergent aquactic plant, floating plant and submerged plant three class, wherein swims and submerged plant is mainly used in two grades of artificial swamp 17 unit to realize the landscape value of diversification.
Plant cultivating spacing is divided into two kinds: plant 50cm × 50cm that branch and leaf area is bigger, each processing unit (1m × 3m) about can plant 20 strains；Plant 30cm × 30cm that branch and leaf area is less, each processing unit about can plant 50 strains.
The water distribution manner of this artificial wet land system is intermittent water distribution.Each group inflow is by water valve control.Maximum sewage quantity according to design, wet land system population mean hydraulic detention time is about 4h.
In actual application of the present utility model, the occupation of land of compact community, rural area stain disease low energy consumption ecological wet land treating system is mainly used in the construction of the structures such as wetland treatment facility and corollary equipment room thereof on the ground.According to this utility model scheme, the horizontal layout of sewage disposal system is generally rectangular shaped.But artificial wet land system is not limited to rectangular arrangement, can according to the orographic condition adjustment implementing place.System planes arrangement can be adjusted according to practical situation, only for referencial use herein.
In actual elevation arrangement of the present utility model, the following principle of main consideration:
(1) biochemical treatment facility in underground must meet relevant specification.Because native system is directed to the sanitary sewage disposal problem of compact community, rural area, sewage quantity is less, has specific characteristics when structural design.The dischargeable capacity of each treatment facility should meet the requirement effectively processing the time, and superelevation part answers >=0.3m simultaneously.
(2) loss of flood peak produced when current run in systems is taken into full account.During design, according to previous experiences, the loss of flood peak of each treatment facility is within the scope of 10～20cm, and determines therefrom that available depth and the structure height of facility.
Be as the criterion with ground elevation 0.0m, each treatment facility buried depth of basement substantially: sedimentation tank 1 ,-1.86m；Aeration Aerobic Pond 2 ,-1.1m；Second pond 3 ,-1.86m；Loaded filter pond 4 ,-1.6m；Cistern 5 ,-1.6m；Sludge-tank 6 ,-2.35m；One-level artificial swamp in the following embodiments, 1.1m；Two grades of artificial swamp 0.5m；Equipment room, 2.1m.Whole process system, structure arranges that depth displacement is 4.45m.
The earthwork excavated volume that native system construction is designed into more is less, it is contemplated that less than 150m3.In excavation soil, portion of material either directly through screening as later stage wet land filler, can reduce the environmental effect that project cost puts into and alleviates the system Construction phase.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (7)
1. a rural compact community stain disease low energy consumption ecological wet land treating system, it is characterized in that, this system includes grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern, sludge-tank and controls device, wherein, on unidirectional water inflow to water outlet direction, sewage flows through from grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern successively；Being respectively equipped with the first water pump, the second water pump in described second pond, cistern, described first water pump water outlet end is secondary clarifier effluent mouth, and the second water pump water outlet end is cistern outlet；
Being provided with sludge bucket bottom described sedimentation tank, second pond respectively, the mud mouth of sludge bucket described in two is conducting internal with sludge-tank respectively, and described sludge-tank level height is lower than sludge bucket level height；
Aeration tube, the external air pump of described aeration tube it is provided with in described aeration oxidation pool；
Described control device controls air pump, the first water pump, the second pump working by electric switch mode of operation.
2. compact community, rural area as claimed in claim 1 stain disease low energy consumption ecological wet land treating system, it is characterised in that described system also includes sludge pump, and described sludge pump aspiration end is connected in sludge-tank by pipeline；
Described control device controls sludge pump work by electric switch mode of operation.
3. compact community, rural area as claimed in claim 2 stain disease low energy consumption ecological wet land treating system, it is characterized in that, described grid, sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern, sludge-tank are all located at underground, and described control device is located on ground；
Described sedimentation tank, aeration oxidation pool, second pond, anti-filter pond, cistern top are provided with pore respectively.
4. compact community, rural area as claimed in claim 3 stain disease low energy consumption ecological wet land treating system, it is characterized in that, described ecological wetland treatment system also includes being located at ground artificial wet land system, and described artificial wet land system includes one-level artificial swamp and two grades of artificial swamps；
Described one-level artificial swamp is paved into by gravel layer from top to bottom, cinder rock stratum, fine ash rock stratum, coarse sands layer, soil horizon, gravel layer；Described two grades of artificial swamps are that one layer of gravel layer is paved into；
Green plants is all planted on described one-level artificial swamp, two grades of artificial swamp surfaces；
Described second pump outlet enters from the gravel layer of the bottom of one-level artificial swamp, from bottom to top after one-level artificial swamp soil horizon, coarse sands layer, fine ash rock stratum, cinder rock stratum, gravel layer process, overflow, to the gravel layer of two grades of artificial swamps, is finally flowed out by outlet bottom two grades of artificial swamp gravel layers.
5. compact community, rural area as claimed in claim 4 stain disease low energy consumption ecological wet land treating system, it is characterized in that, being provided with flow-stopping plate between water inlet and the outlet of described sedimentation tank, the water of water inlet is changed in the sludge bucket flowed to sedimentation tank by described flow-stopping plate；
It is provided with described grid between water inlet and the flow-stopping plate of described sedimentation tank.
6. compact community, rural area as claimed in claim 5 stain disease low energy consumption ecological wet land treating system, it is characterised in that from top to bottom lay gravel layer, cinder rock stratum, fine ash rock stratum, coarse sands layer, fine ash rock stratum, cinder rock stratum and gravel layer in described anti-filter pond；
Being provided with perforation water distributor in described anti-filter pond, described perforation water distributor turns on being positioned at outlet bottom anti-filter pond.
7. compact community, rural area as claimed in claim 6 stain disease low energy consumption ecological wet land treating system, it is characterised in that arrange backwash water pipe, external 3rd water pump of described backwash water pipe in described anti-filter pond.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188379A (en) * | 2017-07-24 | 2017-09-22 | 四川省蜀通岩土工程公司 | A kind of domestic sewage of villages and small towns rural area landscape type total system |
| CN108002639A (en) * | 2017-11-07 | 2018-05-08 | 青岛鑫源环保集团有限公司 | Integrated form integration ecological water factory |
| CN109384329A (en) * | 2017-08-02 | 2019-02-26 | 山东圣源碧澄环保科技有限公司 | A kind of sewage treatment primary filter and its operating method |
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- 2016-01-20 CN CN201620051932.3U patent/CN205368052U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188379A (en) * | 2017-07-24 | 2017-09-22 | 四川省蜀通岩土工程公司 | A kind of domestic sewage of villages and small towns rural area landscape type total system |
| CN109384329A (en) * | 2017-08-02 | 2019-02-26 | 山东圣源碧澄环保科技有限公司 | A kind of sewage treatment primary filter and its operating method |
| CN108002639A (en) * | 2017-11-07 | 2018-05-08 | 青岛鑫源环保集团有限公司 | Integrated form integration ecological water factory |
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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: No. 22 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610093 Patentee before: SICHUAN SHU TONG GEOTECHNICAL ENGINEERING Co. |