CN207347356U - A kind of rural area small watershed sewage purification system - Google Patents
A kind of rural area small watershed sewage purification system Download PDFInfo
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- CN207347356U CN207347356U CN201721215290.7U CN201721215290U CN207347356U CN 207347356 U CN207347356 U CN 207347356U CN 201721215290 U CN201721215290 U CN 201721215290U CN 207347356 U CN207347356 U CN 207347356U
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Abstract
The utility model discloses a kind of rural area small watershed sewage purification system, including passes through the sequentially connected continuous deflection separating mechanism of pipeline, vortex gravity pouring separating mechanism and wetland variation mechanism with backwashing function；The rural area small watershed sewage purification system of the utility model, continuous deflection separation solve the problems, such as that rural area small watershed living garbage pollution is serious well so that house refuse obtains effectively collection processing；Vortex gravity pouring separates the pollutional load for significantly reducing wetland, improves the clean-up effect of wetland, adds the Use Limitation of wetland；Wetland can make full use of the existing environmental conditions such as rural holding is wide, wetland is more, the input of the technology greatly reduced；Continuous deflection separation is small with the floor space of vortex gravity pouring separate section, and the technique is very simple in the operational management in later stage, greatly reduces the operational management input in later stage, power supply need not be used in technical process is had suffered, greatly reduces operating cost.
Description
Technical field
The utility model is related to technical field of water body purification, relates in particular to a kind of rural area small watershed sewage purification system.
Background technology
An important component of the rural area small watershed as rural water conservancy, is both the critical facility of rural area flood passage water drainage,
It is the important iirigation water source in farmland again.In recent years, improved as life in the countryside is horizontal, agro based economic development, rural pollution source
It is on the increase, blowdown flow rate increases year by year, rural area small watershed water pollution getting worse.Rural area small watershed Ecology protection, is not only closed
It is the living environment to rural area, is also related to the Sustainable Development and Utilization of water resource.Therefore, small watershed water pollution in Promote rural is controlled
Reason is an extremely urgent vital task.
The common several process introductions of small watershed end sewage disposal at this stage：
Biological fluidized bed+biofilter treatment process：This is a kind of combined biological fluidization, by biological fluidized bed
It is combined with biofilter, can solves that some shortcomings existing for biological fluidized bed are used alone.In above-mentioned sewage treatment process
In, using accounted for sum nearly the 60% of this technique, and majority is the sewage disposal of urban catchments end.
Artificial Wetland Techniques：Artificial swamp is the ground similar with marshland by manually building and controlling operation, by dirt
The controlled dosing of water, sludge on the wetland through manually building, sewage with sludge during flowing in a certain direction, it is main
Soil, artificial dielectric, plant, the physics of microorganism, chemistry, the triple synergistic effects of biology are utilized, at sewage, sludge
A kind of technology of reason.Its mechanism of action includes absorption, delay, filtering, redox, precipitation, microorganism decomposition, conversion, plant
Masking, residue accumulated, water transpiration and Nutrient Absorption and the effect of all kinds of animals.According to engineering design and the difference of water body fluidised form
Different, artificial marsh sewage treatment system can be divided into three kinds of free water surface wetland, horizontal subsurface flow wetland and vertical-flow wetland main classes
Type.At present, it is free water surface wetland and horizontal subsurface flow wetland using more type.Wastewater Treatment by Constructed Wetlands system is in recent years
The Novel sewage treatment technology to grow up, due to having been had been more and more widely used the advantages of its own.
Artificial rapid diafiltration sewage disposal technology：Artificial rapid infiltration system refers to artificially assemble sewage dosing in manually
Filtration media, synergistic effect of the sewage through physics, chemistry and biology during downward seepage flow and be cleaned.It is manually quick
Diafiltration is grown up based on rapid infiltration system, with generations such as preferable natural river sand, haydite, gangues
Greatly improved for natural soil layer as main filter medium, hydraulic load, take up an area and reduce.
Artificial Wetland Techniques：Artificial Wetland Techniques are that artificially having certain aspect ratio and the bottom surface gradient for treated sewage
Depression on soil and filler (such as gravel) mixing composition packed bed, make sewage flowed in the filler gap of bed body or
Bed body surface flow, and have performance good in bed body surface grafting, survival rate is high, and water-resistance is strong, growth cycle length, beautiful and tool
The water plant (such as reed, stem or leaf of cattail etc.) for having economic value forms a unique animals and plants ecosystem.
Eddy flow dirt sand basin：Rotational flow grit chamber is using mechanical force control flow-shape and flow velocity, accelerates the precipitation of the grains of sand simultaneously
The sand-catching apparatus for making organic matter be taken away with current.Shortcoming：It is very undesirable to the removal effect of the pollutant of water body small particles.
New content
The purpose of the utility model is in view of the above-mentioned defects in the prior art, there is provided a kind of rural area small watershed sewage purification system
System, solves the problems, such as that rural area small watershed living garbage pollution is serious so that house refuse is obtained effectively at collection well
Reason；The pollutional load of wetland is significantly reduced, improves the clean-up effect of wetland, adds the Use Limitation of wetland；Reduce and throw
Enter；Greatly reduce the later stage operational management input, power supply need not be used in technical process is had suffered, greatly reduce operation into
This.
To achieve these goals, the technical solution of the utility model is：
A kind of rural area small watershed sewage purification system, including pass through the sequentially connected continuous deflection separating mechanism of pipeline, tool
There are the vortex gravity pouring separating mechanism and wetland variation mechanism of backwashing function；
The continuous deflection separating mechanism includes deflection outer barrel, is arranged at the deflection inner cylinder for deflecting outer tube inner chamber, is arranged at
The lower water conservancy diversion for deflecting outer tube inner chamber and being spaced positioned at deflection inner cylinder lower section and with the bottom of deflection inner cylinder bottom, deflection outer barrel
Cylinder, is arranged at the central tube of tube inner chamber and the upper guide shell below central tube in deflection；The upper guide shell and central tube
Connection and be the through-hole structure of connection, the deflection inner cylinder be blind hole structure, and the bottom of the upper guide shell is from deflecting inner cylinder
Bottom is stretched out and is extend into the inner cavity of lower guide shell, and the upper guide shell is up-small and down-big loudspeaker barrel structure, is led under described
Flow cartridge is up big and down small loudspeaker barrel structure；The deflection outer barrel is provided outside water inlet pipe and outlet pipe, and the water inlet pipe is in incline
Oblique angle insertion deflection outer barrel is simultaneously tangent with deflection outer barrel, and the cavity which forms with deflection outer barrel and deflection inner cylinder mutually passes through
Logical, the outlet pipe is by deflecting outer barrel and being inserted into deflection inner cylinder, the outlet pipe and deflection inner cylinder and the cavity of central tube formation
Connect；
Vortex gravity pouring separating mechanism with backwashing function includes shell, and the biological filter bed of material, is vortexed water outlet and deslagging
Mouthful；Biofilter material layer is disposed in shell, and separator main body is divided into two regions, the biological filter bed of material and shell
Between region be backwash inhalant region, be cyclone filter area inside the biological filter bed of material；Backwashing water inlet port is arranged on recoil
Wash at the top of inhalant region；The outlet pipe of continuous deflection separating mechanism by with the circumferential body of the biological filter bed of material it is tangent in a manner of be inserted into biology
Filter material layer inner wall is fixed；Drainage cylinder is provided with cyclone filter area, current are formed between the biological filter bed of material and drainage cylinder outer barrel
Vortex, drainage cylinder top is provided with vortex water outlet；Vortex gravity pouring separating mechanism bottom with backwashing function is provided with row
Cinder notch；
The wetland variation mechanism includes geobiont filter material layer, zeolite filler layer, pelelith filter material layer from top to bottom,
The vortex water outlet of the vortex gravity pouring separating mechanism of the backwashing function is arranged in geobiont filter material layer.
As the improvement to above-mentioned technical proposal, the drainage cylinder further includes inner cylinder and outer barrel, and drainage cylinder outer barrel is upper small
Big truncated conical shape down, the angle of round platform busbar and its high line that drainage cylinder outer barrel is formed are less than 10 °, it is preferred that the angle is
3 ° or 5 °；Drainage cylinder inner cylinder is cylinder.
As the improvement to above-mentioned technical proposal, also set inside the vortex gravity pouring separating mechanism with backwashing function
Deflector is equipped with, the deflector is located at below the drainage cylinder, so that in deflector deposit collection area formed below；
The deflector bottom has to lower surface, and has Ji Nikou in the deflector bottom, the outer casing inner wall deposition
Pollutant is guided to the Ji Nikou along the deflector to lower surface, enters deposit collection area through the Ji Nikou.
As the improvement to above-mentioned technical proposal, the vortex gravity pouring separating mechanism with backwashing function further includes total water outlet
Pipeline, total outlet pipe road are respectively communicated with vortex water outlet and filtering water outlet, so that removing sewage and the recoil of pollutant
Water after washed filter flows through total outlet pipe road and discharges；Vortex gravity pouring separating mechanism bottom with backwashing function with to
The surface of slag-drip opening direction diagonally downward.
As the improvement to above-mentioned technical proposal, the vortex gravity pouring separating mechanism with backwashing function is cylindrical tube
Body, the height of the cylindrical tube are 1.5-3 times of its basal diameter；Preferably, the height of cylindrical tube is that its bottom surface is straight
2 times of footpath or 2.5 times.
As the improvement to above-mentioned technical proposal, the biological filter bed of material includes inside and outside two layers, and internal layer is little particle biofilter material
Layer, outer layer is the bulky grain biological filter bed of material；Preferably, the little particle biological filter bed of material by any in quartz sand, micropore haydite or
Two kinds of compositions, the bulky grain biological filter bed of material is by any of zeolite, pelelith, macropore haydite or several mixes.
As the improvement to above-mentioned technical proposal, the biological filter bed of material is additionally provided with filtering water outlet, and filtering water outlet is located at
It is vortexed below water outlet, the biological filter bed of material inner wall of the opposite side of backwashing water inlet port simultaneously extends outside separator, excellent
Choosing is additionally provided with filtering outlet valve in filtering water outlet.
As the improvement to above-mentioned technical proposal, several water distribution branch pipes are provided with the total outlet pipe road.
The action principle of the utility model is：
Continuous deflection separating mechanism：Sewage is after continuous deflection separating mechanism is entered, and under the guiding on separation dam, water flows into
Enter the separation chamber of continuous deflection separating mechanism, while pollutant is removed.Separate the control cesspit by lower section with control function
Completed with the separate section on top.Gross contamination thing is separated by guide shell under a perforated metal plate, and allows the water after filtering
Through a spiral return system, and it is transmitted to outlet conduit.Under the energy of water inlet, current and gross contamination thing continue separating
Handled in room.This mode is directed to preventing lower guide shell to be contaminated thing obstruction, while heavier solid final subsidence is arrived
Control room.Most of house refuse in water body can be removed in this part, solves rural area small watershed domestic waste collection well
Process problem.
Vortex gravity pouring separating mechanism：So that the separating effect of particulate matter is better than general gravitational settling in water body, further
Improve the clean-up effect and treatment effeciency of water body；Since the vortex gravity pouring separating mechanism with backwashing function is arranged on deposition
Above thing collecting region, vortex and gravitational settling are arranged up and down, are added the whole height of water cleaning systems, are not only increased water body
Purified treatment amount, and greatly reduce the floor space of cleaning system；Due to containing one layer of life on the inner wall of swirl component
The clean-up effect of water body can be substantially improved in thing filter material layer, the absorption seizure effect of filter material layer, simultaneously because raw on the biological filter bed of material
The degradation of thing, can further lift effluent quality；Biologic packing material layer is due to the souring of vortex so that biologic packing material layer
It is not easy to block, greatly reduces the backwash process of biologic packing material layer；Biologic packing material layer is due to the effect of vortex so that water body
In oxygen content increase, this has greatly reinforced the degradation of biomembrane on biologic packing material layer, the water body purification further lifted
Effect.The technique is there are backwashing system, this can greatly promote the service life of biologic packing material layer, since backwash is one equal
Even scour process, washes away during filler the biomembrane that can maximally retain on biologic packing material layer, while the dirt for washing away out
Mud passes through eddy-current system so that the sewage washed away is further purified, last sludgd deposition to device bottom, by drawing clearly
Or other manner discharge.
Wetland：The part can be natural wetland, or artificial swamp is more using countryside wetland, or land area is wide
Wealthy advantage, wetland is drained into by the separated water body of vortex gravity pouring, using soil, artificial dielectric, plant, microorganism thing
Reason, chemistry, the triple synergistic effects of biology, handle sewage, sludge, its water outlet is effectively purified.
Compared with prior art, the utility model has the advantages and positive effects of：
The rural area small watershed sewage purification system of the utility model,
The addition of 1 continuous deflection isolation technics, solves the problems, such as that rural area small watershed living garbage pollution is serious well,
So that house refuse obtains effectively collection processing；
The addition of 2 vortex gravity pouring isolation technics so that the separating effect of particulate matter is better than general gravitational settling in water body,
Further improve the clean-up effect and treatment effeciency of water body；
3 wetlands for changing technology can make full use of the existing environmental conditions such as rural holding is wide, wetland is more, and what is greatly reduced should
The input of technology；
The continuous deflection separation of 4 technologies is small with the floor space of vortex gravity pouring separate section, and the technique is in the later stage
It is very simple in operational management, the operational management input in later stage is greatly reduced, power supply need not be used in technical process is had suffered,
Greatly reduce operating cost.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some new embodiments, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the system main structure diagram of the utility model；
Fig. 2 is the system overlooking the structure diagram of the utility model；
Fig. 3 is the structure diagram of the continuous deflection separating mechanism of the utility model；
Fig. 4 is the structure diagram of the vortex gravity pouring separating mechanism with backwashing function of the utility model.
Embodiment
Below in conjunction with the attached drawing in the utility model embodiment, the technical solution in the utility model embodiment is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, instead of all the embodiments.It is based on
Embodiment in the utility model, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, any modification, equivalent replacement, improvement and so on, should be included within the protection domain of the utility model.
As shown in Figure 1,2,3, 4, the rural area small watershed sewage purification system of the utility model, including it is sequentially connected by pipeline
Continuous deflection separating mechanism 1, the vortex gravity pouring separating mechanism 2 and wetland variation mechanism 3 with backwashing function；
The continuous deflection separating mechanism 1 includes deflection outer barrel 4, is arranged at the deflection inner cylinder 17 of 4 inner cavity of deflection outer barrel, if
It is placed in and deflects 4 inner cavity of outer barrel and be spaced positioned at 4 lower section of deflection inner cylinder and with the bottom of 4 bottom of deflection inner cylinder, deflection outer barrel 17
Lower guide shell 18, be arranged at the central tube of deflection inner cylinder 17 inner cavity and the upper guide shell 23 below central tube；On described
Guide shell 23 and central tube connection and be the through-hole structure that connect, the inner cylinder 17 that deflects is blind hole structure, the upper guide shell
23 bottom is stretched out from the bottom of deflection inner cylinder 17 and is extend into the inner cavity of lower guide shell 18, and the upper guide shell 23 is upper small
Big loudspeaker barrel structure down, the lower guide shell 18 are up big and down small loudspeaker barrel structure；It is described deflection outer barrel 4 be provided outside into
Water pipe and outlet pipe, the inclined angle insertion deflection outer barrel 4 of water inlet pipe and, the water inlet pipe and deflection tangent with deflection outer barrel 4
The cavity that outer barrel 4 and deflection inner cylinder 17 are formed connects, and the outlet pipe, should by deflecting outer barrel 4 and being inserted into deflection inner cylinder 17
The cavity that outlet pipe is formed with deflection inner cylinder 17 and central tube connects；
Vortex gravity pouring separating mechanism with backwashing function, including shell 5, the biological filter bed of material 16, is vortexed water outlet 10
With slag-drip opening 15；The biological filter bed of material 16 is disposed in shell 5, and separator main body is divided into two regions, biology
Region between filter material layer 16 and shell 5 is backwash inhalant region, and the inside of the biological filter bed of material 16 is cyclone filter area；Backwashing water
Inlet port 21 is arranged at the top of backwash inhalant region；The outlet pipe of continuous deflection separating mechanism is with the circumference with the biological filter bed of material 16
The tangent mode of body is inserted into 16 inner wall of the biological filter bed of material and is fixed；Guide shell 6 is provided with cyclone filter area, current are in biofilter material
Vortex is formed between layer 16 and 6 outer barrel of drainage cylinder, 6 top of drainage cylinder is provided with vortex water outlet 10；With backwashing function
Vortex gravity pouring separating mechanism bottom is provided with slag-drip opening 15；
Geobiont filter material layer 24, zeolite filler layer 25, the pelelith that the wetland variation mechanism 3 includes from top to bottom are filtered
The bed of material 26, the vortex water outlet 10 of the vortex gravity pouring separating mechanism of the backwashing function are arranged in geobiont filter material layer 24
In.
As the improvement to above-mentioned technical proposal, the drainage cylinder 6 further includes inner cylinder 8 and outer barrel 9, and drainage cylinder outer barrel 9 is
Up-small and down-big truncated conical shape, the angle of the round platform busbar that drainage cylinder outer barrel 9 is formed and its high line are less than 10 °, it is preferred that the folder
Angle is 3 ° or 5 °；Drainage cylinder inner cylinder 8 is cylinder.
As the improvement to above-mentioned technical proposal, also set inside the vortex gravity pouring separating mechanism with backwashing function
Deflector 12 is equipped with, the deflector 12 is positioned at the lower section of drainage cylinder 6, so that in 12 deposit formed below of deflector
Collecting region 13；12 bottom of deflector has to lower surface, and has collection mud mouth 14 in the deflector bottom, described outer
The pollutant of 5 inner wall of shell deposition is guided to the collection mud mouth 14 along the deflector 12 to lower surface, through the collection mud mouth 14
Into deposit collection area 13.
As the improvement to above-mentioned technical proposal, the vortex gravity pouring separating mechanism with backwashing function further includes total water outlet
Pipeline 11, total outlet pipe road 11 is respectively communicated with vortex water outlet 10 and filtering water outlet 7, so that removing the sewage of pollutant
Total outlet pipe road 11 is flowed through with the water after backwash filter to discharge；Vortex gravity pouring separating mechanism bottom with backwashing function
Portion has the surface to 15 direction of slag-drip opening diagonally downward.
As the improvement to above-mentioned technical proposal, the vortex gravity pouring separating mechanism with backwashing function is cylindrical tube
Body, the height of the cylindrical tube are 1.5~3 times of its basal diameter；Preferably, the height of cylindrical tube is that its bottom surface is straight
2 times of footpath or 2.5 times.
As the improvement to above-mentioned technical proposal, the biological filter bed of material 16 includes inside and outside two layers, and internal layer is little particle biological filter
The bed of material 19, outer layer are the bulky grain biological filter bed of material 20；Preferably, the little particle biological filter bed of material 19 is by quartz sand, micropore haydite
Any one or two kinds of compositions, the bulky grain biological filter bed of material 20 is by any of zeolite, pelelith, macropore haydite or several mixing
Form.
As the improvement to above-mentioned technical proposal, the biological filter bed of material 16 is additionally provided with filtering water outlet 7, filters water outlet 7
Positioned at 10 lower section of vortex water outlet, 16 inner wall of the biological filter bed of material of the opposite side of backwashing water inlet port 21 simultaneously extends separation dress
Outside is put, is preferably additionally provided with filtering outlet valve 22 in filtering water outlet 7.
As the improvement to above-mentioned technical proposal, several water distribution branch pipes 27 are provided with the total outlet pipe road 11.
The action principle of the utility model is：
Continuous deflection separating mechanism：Sewage is after continuous deflection separating mechanism is entered, and under the guiding on separation dam, water flows into
Enter the separation chamber of continuous deflection separating mechanism, while pollutant is removed.Separate the control cesspit by lower section with control function
Completed with the separate section on top.Gross contamination thing is separated by guide shell under a perforated metal plate, and allows the water after filtering
Through a spiral return system, and it is transmitted to outlet conduit.Under the energy of water inlet, current and gross contamination thing continue separating
Handled in room.This mode is directed to preventing lower guide shell to be contaminated thing obstruction, while heavier solid final subsidence is arrived
Control room.Most of house refuse in water body can be removed in this part, solves rural area small watershed domestic waste collection well
Process problem.
Vortex gravity pouring separating mechanism：So that the separating effect of particulate matter is better than general gravitational settling in water body, further
Improve the clean-up effect and treatment effeciency of water body；Since the vortex gravity pouring separating mechanism with backwashing function is arranged on deposition
Above thing collecting region, vortex and gravitational settling are arranged up and down, are added the whole height of water cleaning systems, are not only increased water body
Purified treatment amount, and greatly reduce the floor space of cleaning system；Due to containing one layer of life on the inner wall of swirl component
The clean-up effect of water body can be substantially improved in thing filter material layer, the absorption seizure effect of filter material layer, simultaneously because raw on the biological filter bed of material
The degradation of thing, can further lift effluent quality；Biologic packing material layer is due to the souring of vortex so that biologic packing material layer
It is not easy to block, greatly reduces the backwash process of biologic packing material layer；Biologic packing material layer is due to the effect of vortex so that water body
In oxygen content increase, this has greatly reinforced the degradation of biomembrane on biologic packing material layer, the water body purification further lifted
Effect.The technique is there are backwashing system, this can greatly promote the service life of biologic packing material layer, since backwash is one equal
Even scour process, washes away during filler the biomembrane that can maximally retain on biologic packing material layer, while the dirt for washing away out
Mud passes through eddy-current system so that the sewage washed away is further purified, last sludgd deposition to device bottom, by drawing clearly
Or other manner discharge.
Wetland：The part can be natural wetland, or artificial swamp is more using countryside wetland, or land area is wide
Wealthy advantage, wetland is drained into by the separated water body of vortex gravity pouring, using soil, artificial dielectric, plant, microorganism thing
Reason, chemistry, the triple synergistic effects of biology, handle sewage, sludge, its water outlet is effectively purified.
Compared with prior art, the utility model has the advantages and positive effects of：
The rural area small watershed sewage purification system of the utility model,
1st, the continuously addition of deflection isolation technics, solves that rural area small watershed living garbage pollution is serious to ask well
Topic so that house refuse obtains effectively collection processing；
2nd, the addition of vortex gravity pouring isolation technics so that the separating effect of particulate matter is better than general gravity and sinks in water body
Drop, further improves the clean-up effect and treatment effeciency of water body；
3rd, the existing environmental conditions such as rural holding is wide, wetland is more can be made full use of by changing the wetland of technology, be greatly reduced
The input of the technology；
4th, the continuous deflection separation of the technology is small with the floor space of vortex gravity pouring separate section, and the technique is in the later stage
It is very simple in operational management, the operational management input in later stage is greatly reduced, power supply need not be used in technical process is had suffered,
Greatly reduce operating cost.
Claims (9)
- A kind of 1. rural area small watershed sewage purification system, it is characterised in that：Including passing through the sequentially connected continuous deflection point of pipeline Disembark structure, have backwashing function vortex gravity pouring separating mechanism and wetland variation mechanism；The continuous deflection separating mechanism includes deflection outer barrel, is arranged at the deflection inner cylinder for deflecting outer tube inner chamber, is arranged at deflection Outer tube inner chamber and the lower guide shell being spaced positioned at deflection inner cylinder lower section and with the bottom of deflection inner cylinder bottom, deflection outer barrel, if It is placed in the central tube of tube inner chamber and the upper guide shell below central tube in deflection；The upper guide shell connected with central tube and For the through-hole structure of connection, the deflection inner cylinder is blind hole structure, and the bottom of the upper guide shell is stretched from the bottom of deflection inner cylinder Go out and extend into the inner cavity of lower guide shell, the upper guide shell is up-small and down-big loudspeaker barrel structure, and the lower guide shell is Up big and down small loudspeaker barrel structure；The deflection outer barrel is provided outside water inlet pipe and outlet pipe, and the inclined angle of water inlet pipe is inserted Enter to deflect outer barrel and with deflection outer barrel it is tangent, the water inlet pipe with deflection outer barrel and deflection inner cylinder formation cavity connect, it is described By deflecting outer barrel and being inserted into deflection inner cylinder, the cavity which forms with deflection inner cylinder and central tube connects outlet pipe；Vortex gravity pouring separating mechanism with backwashing function includes shell, and the biological filter bed of material, is vortexed water outlet and slag-drip opening；It is raw Thing filter material layer is arranged at intervals inside the shell, and separator main body is divided into two regions, between the biological filter bed of material and shell Region be backwash inhalant region, be cyclone filter area inside the biological filter bed of material；Backwashing water inlet port be arranged on backwash into At the top of pool；The outlet pipe of continuous deflection separating mechanism by with the circumferential body of the biological filter bed of material it is tangent in a manner of be inserted into biofilter material Layer inner wall is fixed；Drainage cylinder is provided with cyclone filter area, current form vortex between the biological filter bed of material and drainage cylinder outer barrel, Drainage cylinder top is provided with vortex water outlet；Vortex gravity pouring separating mechanism bottom with backwashing function is provided with slag-drip opening；The wetland variation mechanism includes geobiont filter material layer, zeolite filler layer, pelelith filter material layer from top to bottom, described The vortex water outlet of the vortex gravity pouring separating mechanism of backwashing function is arranged in geobiont filter material layer.
- 2. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：In the drainage cylinder further includes Cylinder and outer barrel, drainage cylinder outer barrel are up-small and down-big truncated conical shape, the round platform busbar and the folder of its high line that drainage cylinder outer barrel is formed Angle is less than 10 °.
- 3. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：It is described that there is backwashing function Vortex gravity pouring separating mechanism inside be additionally provided with deflector, the deflector is located at below the drainage cylinder, so that described Deflector deposit collection area formed below；The deflector bottom has to lower surface, and has in the deflector bottom There is Ji Nikou, the pollutant of the outer casing inner wall deposition is guided to the Ji Nikou along the deflector to lower surface, through institute State Ji Nikou and enter deposit collection area.
- 4. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：Whirlpool with backwashing function Stream deposition separating mechanism further includes total outlet pipe road, and total outlet pipe road is respectively communicated with vortex water outlet and filtering water outlet, thus So that the water after the sewage and backwash filter of removal pollutant flows through total outlet pipe road and discharges；With backwashing function Vortex gravity pouring separating mechanism bottom has the surface to slag-drip opening direction diagonally downward.
- 5. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：Whirlpool with backwashing function Stream deposition separating mechanism is cylindrical tube, and the height of the cylindrical tube is 1.5-3 times of its basal diameter.
- 6. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：The biological filter bed of material includes inside and outside Two layers, internal layer is the little particle biological filter bed of material, and outer layer is the bulky grain biological filter bed of material.
- 7. small watershed sewage purification system in rural area according to claim 6, it is characterised in that：The little particle biological filter bed of material by Any one or two kinds of compositions in quartz sand, micropore haydite, the bulky grain biological filter bed of material is by zeolite, pelelith, macropore haydite It is any one or several to mix.
- 8. small watershed sewage purification system in rural area according to claim 1, it is characterised in that：The biological filter bed of material is additionally provided with Water outlet is filtered, filtering water outlet is below vortex water outlet, in the biological filter bed of material of the opposite side of backwashing water inlet port Wall simultaneously extends outside separator.
- 9. small watershed sewage purification system in rural area according to claim 4, it is characterised in that：Set on the total outlet pipe road It is equipped with several water distribution branch pipes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721140333 | 2017-09-07 | ||
| CN201721140333X | 2017-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347356U true CN207347356U (en) | 2018-05-11 |
Family
ID=62410411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215290.7U Active CN207347356U (en) | 2017-09-07 | 2017-09-21 | A kind of rural area small watershed sewage purification system |
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| Country | Link |
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| CN (1) | CN207347356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111861422A (en) * | 2020-08-01 | 2020-10-30 | 生态环境部南京环境科学研究所 | Watershed water environment management method based on water quality target |
-
2017
- 2017-09-21 CN CN201721215290.7U patent/CN207347356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111861422A (en) * | 2020-08-01 | 2020-10-30 | 生态环境部南京环境科学研究所 | Watershed water environment management method based on water quality target |
| CN111861422B (en) * | 2020-08-01 | 2023-07-14 | 生态环境部南京环境科学研究所 | Watershed water environment management method based on water quality target |
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