CN209065665U - A kind of rapid infiltration system for rural sewage treatment - Google Patents
A kind of rapid infiltration system for rural sewage treatment Download PDFInfo
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- CN209065665U CN209065665U CN201821434388.6U CN201821434388U CN209065665U CN 209065665 U CN209065665 U CN 209065665U CN 201821434388 U CN201821434388 U CN 201821434388U CN 209065665 U CN209065665 U CN 209065665U
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Abstract
The utility model discloses a kind of rapid infiltration systems for rural sewage treatment, it is made of upper layer and lower layer, lower layer's pond body is by grid canal, oil partiting precipitation pool, conditioning tank and discharge bay composition, upper layer pond body is rapid infiltration pool, separately there is an external blower, rapid infiltration pool includes one layer of collection water layer and several layers filter layer from bottom to up, collection water layer sequentially consists of charge for remittance layer, middle supporting plate and go phosphorous layer, charge for remittance layer is connect by collection pipe with discharge bay, filter layer sequentially consists of bracketing plate, lower filter layer, transition zone and fast filtering layer, lower filter layer is equipped with gas distribution pipe, each gas distribution pipe is both connected on a distribution general pipeline, gas source is from external fan, fast filtering layer is equipped with water distributor, each water distributor is both connected on a distribution main；Reflux pump is equipped in discharge bay.The utility model reduces the pollutant concentration into rapid infiltration pool, reduces the short stream of sewage, aperture blocks, filler is hardened, the workload of reduction personnel's maintenance.
Description
Technical field
The utility model belongs to environmental technology field more particularly to a kind of quick diafiltration for rural sewage treatment is
System.
Background technique
With the development of society, the raising of economic level, urban-rural integration process is getting faster, and peasant increasingly pays close attention to life
The quality of environment living, China's people in the countryside are more, and the discharge amount of sanitary sewage is larger, and processing not in time, leads to domestic sewage in rural areas
The environmental problem of initiation is further prominent.
Rural sewage treatment technology has the following problems at present: 1, operating load is low, and practical inflow and influent concentration are past
Toward design value is substantially lower than, the idleness of equipment, investment waste, operation difficulty are often resulted in；2, maintenance difficulties are big, rural sewage treatment
Facility scale is small, quantity is more and high degree of dispersion, it is difficult to be equipped with operations staff professional enough, the dimension of facilities and equipment for each website
Shield, maintenance and update etc. also will receive larger limitation；3, operating cost is high, the unit power consumption of rural sewage treatment facility operation and
Medicine consumption is often substantially higher than scale municipal wastewater treatment facility；4, the water outlet indexs such as TN, TP, SS and coloration are difficult to qualification, at present
The treatment process of mainstream still continues the mentality of designing of planning municipal wastewater treatment facility activated sludge process, country sewage water inlet water
Under the lower operating condition of matter, stable qualification is difficult on TN, TP, SS and chromaticity index；5, excess sludge uses traditional activated dirt
The technique of mud principle can generate excess sludge, and the processing and disposition of sludge are smaller for scale, quantity is big and apart from farther away agriculture
Village's sewage treatment facility is a problem.
Utility model content
For the utility model in order to solve above-mentioned defect existing in the prior art and deficiency, providing one kind can be according to water quality
With water flexible combination, shock resistance, maintenance workload is few, and operating cost is low, and good denitrification dephosphorization effect is used for country sewage
The rapid infiltration system of processing.
The technical solution of the utility model includes: a kind of rapid infiltration system for rural sewage treatment, by upper layer and lower layer structure
At lower layer's pond body is made of grid canal, oil partiting precipitation pool, conditioning tank and discharge bay, and upper layer pond body is rapid infiltration pool, separately there is one
External blower.The influent side of the grid canal is equipped with into sewage pipe, is equipped with grid inside grid canal, the rapid infiltration pool from
Under it is supreme include one layer of collection water layer and several layers filter layer, it is closed by flanged joint between each layer, the collection water layer from down toward
On be followed successively by charge for remittance layer, middle supporting plate and go phosphorous layer, the charge for remittance layer is connect by collection pipe with discharge bay, the filter layer from
Under it is supreme be followed successively by bracketing plate, lower filter layer, transition zone and fast filtering layer, the lower filter layer is equipped with gas distribution pipe, Mei Gebu
Tracheae is both connected on a distribution general pipeline, and gas source is controlled from external fan by valve regulated, is set on the fast filtering layer
There is water distributor, each water distributor is both connected on a distribution main, controls by valve regulated；It is equipped with back in the discharge bay
Rapid filter water outlet is intermittently promoted to distribution main's reflow treatment by stream pump, and the water outlet side of the discharge bay is equipped with drainpipe, from
Outflow water.
Preferably, it is equipped with oil partiting precipitation pool elevator pump in the oil partiting precipitation pool, promotes pump control valve through oil partiting precipitation pool
Flow is controlled, the time is controlled through PLC, sewage is intermittently pumped into distribution main；Sewage flows into conditioning tank certainly from oil partiting precipitation pool,
There is conditioning tank elevator pump in the conditioning tank, promotes pump control valve through oil partiting precipitation pool and control flow, control the time through PLC,
Sewage is pumped into distribution main with having a rest.
Preferably, the layer height that catchments is 400~600mm；The single layer height of the filter layer is 400~600mm.
Preferably, the charge for remittance layer in the collection water layer is filled by the filler that 20~30mm of partial size is not waited, and filler includes
Gravel and haydite；The UPVC that the collection pipe of the charge for remittance layer is DN50~100mm is managed, and side wall uniform pore openings, collection pipe is connected to out
Pond goes phosphorous layer to be filled by the not equal filler of 10~20mm of partial size in the collection water layer, and filler includes calcium carbonate and height
Ridge stone.
Preferably, described that phosphorous layer is gone to go phosphorous layer filler module to form by multiple, each module flat is having a size of 500*
500mm, side are equipped with and go phosphorous layer side opening, are provided with check-valves on the collection pipe.
Preferably, the bracketing plate of the filter layer is made of the perforated plate of 5~8mm；The lower filter layer of the filter layer
By 10~20mm of partial size, equal filler is not filled, and filler includes medium coarse sand and granular activated carbon；Cloth in the filter layer
The UPVC that tracheae is DN50~100mm is managed, side wall uniform pore openings.
Preferably, the transition zone of the filter layer is filled by the filler of 10~30mm of partial size, filler include zeolite and
Haydite.
Preferably, the fast filtering layer of the filter layer is filled by the filler of 20~30mm of partial size, filler include gravel and
Haydite；Water distributor in the fast filtering layer is managed by the UPVC of DN50~100mm, side wall uniform pore openings.
Preferably, the water distributor of the filter layer and gas distribution pipe are arranged according to right-angled intersection in the plane, and adjacent two layers seep
The water distributor and gas distribution pipe of filtering layer, which are spaced apart from each other, not to be overlapped.
Raw sewage is first passed through grid by a kind of quick percolation method of the rapid infiltration system for rural sewage treatment
Canal carries out oil removal, precipitating subsequently into the oil partiting precipitation pool of more lattice, and the oil partiting precipitation pool is equipped with oil partiting precipitation pool elevator pump,
Pump control valve is promoted through oil partiting precipitation pool and controls flow, controls the time through PLC, sewage is intermittently pumped into distribution main；Sewage
It is equipped with conditioning tank elevator pump from oil partiting precipitation pool from conditioning tank, conditioning tank is flowed into, promotes pump control valve control through oil partiting precipitation pool
Flow controls the time through PLC, sewage is intermittently pumped into distribution main；
Specific step is as follows:
1) conditioning tank is intake: conditioning tank elevator pump is by water distributor water distribution of the distribution main into each filter layer, with water distribution
Pipe regulating valve controls the water distribution ratio of each filter layer, and sewage is gradually from top to bottom after fast filtering layer, transition zone, lower filter layer, bottom
Supporting plate is to next layer of filter layer or collection water layer, most afterwards after collection pipe is collected from discharge bay is flowed into, after a period of time of intaking
Conditioning tank elevator pump stops；
2) divulge information: a period of time after water inlet end, blower are opened, the gas distribution pipe cloth through distribution general pipeline into each filter layer
Gas controls the gas distribution ratio of each filter layer with gas distribution pipe regulating valve, the process divulged information to each filter layer is realized, after short time ventilation
Blower stops working；
3) oil partiting precipitation pool is intake: oil partiting precipitation pool elevator pump passes through water distributor cloth of the distribution main into each filter layer
Water, controls the water distribution ratio of each filter layer with water distributor regulating valve, sewage gradually from top to bottom after fast filtering layer, transition zone, under
Filter layer, bracketing plate to next layer of filter layer or collection water layer, most afterwards after collection pipe is collected from inflow discharge bay, water inlet one
Oil partiting precipitation pool elevator pump stops after the section time；
4) divulge information: a period of time after water inlet end, blower are opened, the gas distribution pipe cloth through distribution general pipeline into each filter layer
Gas controls the gas distribution ratio of each filter layer with gas distribution pipe regulating valve, the process divulged information to each filter layer is realized, after short time ventilation
Blower stops working；
5) discharge bay flows back: reflux pump is adjusted by water distributor water distribution of the distribution main into each filter layer with water distributor
Valve controls the water distribution ratio of each filter layer, and sewage is gradually from top to bottom after fast filtering layer, transition zone, lower filter layer, bracketing plate
To next layer of filter layer or collection water layer, most afterwards after collection pipe is collected from discharge bay is flowed into, reflux pump after a period of time of intaking
Stop；
6. ventilation: a period of time after water inlet end, blower are opened, the gas distribution pipe cloth through distribution general pipeline into each filter layer
Gas controls the gas distribution ratio of each filter layer with gas distribution pipe regulating valve, the process divulged information to each filter layer is realized, after short time ventilation
Blower stops working；
Above-mentioned 6 steps be a duty cycle, after start second duty cycle.
The utility model carries out modularized design to the inflow of the rapid infiltration pool, and each rapid infiltration pool unit is set
It counts inflow and size is as shown in table 1 below.Each rapid infiltration pool unit water distributor, gas distribution pipe and collection pipe are independently arranged, can
According to the actual water flow of project assorted pipe network, rapid infiltration pool size described in flexible choice.Lesser size improve water distribution,
Gas distribution and the uniformity catchmented, it is ensured that treatment effect.
1 rapid infiltration pool unit of table designs water and planar dimension summary sheet
The utility model carries out modularized design, the rapid infiltration system root to the influent quality of the rapid infiltration pool
According to the number of plies of the different adjustment filter layers of intake design water quality, see Table 2 for details.Every layer of filter layer be equipped with one layer of water distributor and
One layer of gas distribution pipe, for the water inlet ratio of every layer of water distributor by valve regulated, the aeration ratio of every layer of gas distribution pipe passes through valve regulated,
As shown in table 3.
Table 2 designs influent quality and diafiltration number of plies relation table
3 water distribution water inlet tube ratio of table, gas distribution pipe aeration ratio and diafiltration number of plies relation table
The above are aerobic environment, aerobic environment COD, BOD for filter layer gas distribution pipe described in the utility model5Pollutant
Removal provides condition, and the following are hypoxic/anaerobic environment for the filter layer gas distribution pipe, meanwhile, after intermittence ventilation, with pollution
The removal of object and exhausting for oxygen, aerobic environment gradually to hypoxic/anaerobic environmental transformation, play a role for denitrifying bacteria and provide
Working environment.
For gas distribution pipe gas source described in the utility model from external fan, the time of blower starting is that water is percolated to most lower
For layer filter layer gas distribution pipe hereinafter, upper layer filler gap is air at this time, blower only needs lower wind pressure that ventilation process can be completed,
Design air flow is 20~40 times for designing water.This draft type makes the energy consumption of the rapid infiltration system extremely low.
Filter layer described in the utility model uses the natural materials such as medium coarse sand, zeolite, haydite, gravel, granular activated carbon
Filler, large specific surface area, biological adhesiveness is strong, is easy to microbiologic population's growth, especially suitable for low pollution object concentration load
Water situation.
When rapid infiltration pool described in the utility model is intake, water is percolated by filler under after water distributor multilayer water distribution
The collection water layer in portion, pollutant are adsorbed to filler surface, are decomposed under aerobic environment of divulging information by microbiological oxidation.
The utility model timing promotes oil partiting precipitation pool by elevator pump and intakes to rapid infiltration pool water distribution system, concentration phase
Carbon source is provided for the denitrifying bacteria in the rapid infiltration system filter layer to higher pollutant, it can be in anoxic ring
Denitrification occurs in border, reaction equation is as follows:
2NO3 -+H++organicmatter→N2+HCO3 -。
Meanwhile rapid infiltration pool water outlet is temporarily stored into discharge bay, is periodically percolated effluent recycling to quick by reflux pump
Pond water distribution system, the anoxic in experience rapid infiltration pool, aerobic environment, improve water outlet TN removal efficiency again.
Phosphorous layer is gone in setting in collection water layer described in the utility model, can adjust thickness according to water inlet total phosphorus concentration, phosphorous layer is gone to adopt
With the phosphorus adsorbent material such as calcium carbonate, kaolinite, porosity is set 30~40%, increases the contact surface of sewage and adsorbent material
Product improves adsorption efficiency, effectively removes the TP in sewage.According to influent concentration and inflow, the phosphorous layer design work time limit is originally removed
It is 3~5 years, after reaching service life, openable to remove phosphorous layer lateral opening hole, phosphorous layer of pulling out filler module completes replacing for filler
It changes, it is ensured that the stabilization of system operation.
Filter layer filler setting uniform particle sizes described in the utility model change, and can play certain filtration, described to fill out
There is the ingredient of granular activated carbon in material, the gas distribution pipe timing ventilation reduces SS, coloration and the stink of water outlet.
Oil partiting precipitation pool described in the utility model can effectively precipitate the SS in water inlet, be lowered into rapid infiltration system
SS value, meanwhile, it improves gas-water ratio and makes the of short duration environment for being in transition oxidation of microorganism, the micropopulation of hyperoxidation breeding
It falls, so that microbiologic population position is in more balanced level, avoids the too fast generation of excess sludge in rapid infiltration system.
The rapid infiltration system of the utility model uses grid → multistage oil removal precipitating → conditioning tank precipitating technique, drop
The low pollutant concentration for entering the rapid infiltration pool, the rapid infiltration pool use multilayer water distribution, and multilayer ventilation is discharged back
Diluted stream, the water distributor and gas distribution pipe take uniform pore openings, and right-angled intersection is laid, and adjacent filter layer arranged for interval is described
Filter layer filler is arranged uniform particle sizes and changes, and reduces the short stream of sewage, aperture blocking, a possibility that filler is hardened, reduces people
The workload of member's maintenance.
The utility model is saved land area using the pond type overlapped up and down, is made full use of the promotion head of pump, will
Main reaction pond is placed in top, is conducive to overhaul and replace filler.
Detailed description of the invention
Fig. 1 is the lower part pond body schematic top plan view of rapid infiltration system in the utility model；
Fig. 2 is the top pond body schematic top plan view of rapid infiltration system in the utility model；
Fig. 3 is the schematic diagram of the section structure of rapid infiltration system in the utility model；
Fig. 4 is to remove phosphorous layer filling-material structure schematic diagram in the utility model
1. grid canal in figure, 11. grids, 12. into sewage pipe, 2. oil partiting precipitation pools, 21. oil partiting precipitation pool elevator pumps, and 22.
Oil partiting precipitation pool promotes pump control valve；3. conditioning tank, 31. conditioning tank elevator pumps, 32. conditioning tanks promote pump control valve；4. quickly
Continuous filter, 41. collection water layers, 411. charge for remittance layers, 412. go phosphorous layer, supporting plate in 413., 414. collection pipes, and 415. collection pipes stop
Valve is returned, 416. remove phosphorous layer side opening, 42 filter layers, 421. lower filter layers, 422. transition zones, 423. fast filtering layers, 424. bracketings
Plate, 425. gas distribution pipes, 426. water distributors, 427. gas distribution pipe regulating valves, 428. water distributor regulating valves；429. distribution general pipeline, 4210.
Distribution main, 5. discharge bays, 51. reflux pumps, 52. reflux pump control valves, 53. drainpipes, 54. drainpipe regulating valves；61. wind
Machine
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, but is not that model is protected to the utility model
The limitation enclosed.
As shown in Figs 1-4, a kind of rapid infiltration system for rural sewage treatment, including sequentially connected grid canal 1,
Oil partiting precipitation pool 2, conditioning tank 3, rapid infiltration pool 4, discharge bay 5 and external blower 61.The influent side of grid canal 1 be equipped with into
Sewage pipe 12 is equipped with grid 11 inside grid canal 1.Rapid infiltration pool 4 includes that one layer of collection water layer 41 and several layers are seeped from bottom to up
Filtering layer 42, closed by flanged joint between each layer, collection water layer 41 sequentially consists of charge for remittance layer 411,413 and of middle supporting plate
Phosphorous layer 412 is gone, charge for remittance layer 411 is connect by collection pipe 414 with discharge bay, and filter layer 42 sequentially consists of bracketing plate
424, lower filter layer 421, transition zone 422 and fast filtering layer 423, lower filter layer 421 are equipped with gas distribution pipe 425, each gas distribution pipe 425
It is both connected on a distribution general pipeline 429, gas source is adjusted by gas distribution pipe regulating valve 427 and controlled from external fan 61.
Fast filtering layer 423 is equipped with water distributor 426, and each water distributor 426 is both connected on a distribution main 4210, passes through water distributor tune
It saves valve 428 and adjusts control.It is equipped with reflux pump 51 in discharge bay 5, intermittently rapid filter water outlet is promoted at distribution main's reflux
The water outlet side of reason, discharge bay 5 is equipped with drainpipe 53, from outflow water.
One workflow of the utility model contains the water inlet of 1. conditioning tanks, 2. ventilations, and 3. oil partiting precipitation pools are intake,
4. ventilation, the reflux of 5. discharge bays, 6. ventilations are below described briefly method and process.
Raw sewage is first passed through into grid canal 1, carries out oil removal, precipitating, the oil removal subsequently into the oil partiting precipitation pool 2 of more lattice
Sedimentation basin is equipped with oil partiting precipitation pool elevator pump 21, promotes pump control valve 22 through oil partiting precipitation pool and controls flow, when controlling through PLC
Between, sewage is intermittently pumped into distribution main 429.Sewage is set from oil partiting precipitation pool 2 from conditioning tank 3, the conditioning tank 3 is flowed into
There is conditioning tank elevator pump 31, promotes pump control valve 22 through oil partiting precipitation pool and control flow, control the time through PLC, it intermittently will be dirty
Water is pumped into distribution main 429.
1. conditioning tank is intake.Conditioning tank elevator pump 31 passes through water distributor 426 of the distribution main 429 into each filter layer 42
Water distribution, controls the water distribution ratio of each filter layer 42 with water distributor regulating valve 428, sewage gradually from top to bottom after fast filtering layer 423,
Transition zone 422, lower filter layer 421, bracketing plate 424 to next layer of filter layer 42 or collection water layer 41, most afterwards through collection pipe
From discharge bay 5 is flowed into after 414 collections, conditioning tank elevator pump 31 stops after a period of time of intaking.
2. ventilation.A period of time after water inlet end, blower 61 is opened, through distribution general pipeline 4210 into each filter layer 42
425 gas distribution of gas distribution pipe controls the gas distribution ratio of each filter layer 42 with gas distribution pipe regulating valve 427, realizes and divulges information to each filter layer 42
Process, the short time ventilation rear fan 61 stop working.
3. oil partiting precipitation pool is intake.Oil partiting precipitation pool elevator pump 21 passes through cloth of the distribution main 429 into each filter layer 42
426 water distribution of water pipe controls the water distribution ratio of each filter layer 42 with water distributor regulating valve 428, and sewage is gradually from top to bottom after fast
Filtering layer 423, transition zone 422, lower filter layer 421, bracketing plate 424 to next layer of filter layer 42 or collection water layer 41, most pass through afterwards
Collection pipe 414 stops after collecting from oil partiting precipitation pool elevator pump 21 after inflow discharge bay 5, a period of time of intaking.
4. ventilation.A period of time after water inlet end, blower 61 is opened, through distribution general pipeline 4210 into each filter layer 42
425 gas distribution of gas distribution pipe controls the gas distribution ratio of each filter layer 42 with gas distribution pipe regulating valve 427, realizes and divulges information to each filter layer 42
Process, the short time ventilation rear fan 61 stop working.
5. discharge bay flows back.Reflux pump 51 passes through water distributor 426 water distribution of the distribution main 429 into each filter layer 42, with
Water distributor regulating valve 428 controls the water distribution ratio of each filter layer 42, and sewage is gradually from top to bottom after fast filtering layer 423, transition zone
422, lower filter layer 421, bracketing plate 424 arrives next layer of filter layer 42 or collection water layer 41, most afterwards after the collection of collection pipe 414
From discharge bay 5 is flowed into, reflux pump 51 stops after a period of time of intaking.
6. ventilation.A period of time after water inlet end, blower 61 is opened, through distribution general pipeline 4210 into each filter layer 42
425 gas distribution of gas distribution pipe controls the gas distribution ratio of each filter layer 42 with gas distribution pipe regulating valve 427, realizes and divulges information to each filter layer 42
Process, the short time ventilation rear fan 61 stop working.
It is provided with drainpipe 53 on the discharge bay 5, from outflow water.
Above-mentioned 6 steps be a duty cycle, after start second duty cycle.
4 duty cycle time schematic table of table
Table 4 is the time signal of each step in a duty cycle (4h).
A kind of rapid infiltration system case history Inlet and outlet water for rural sewage treatment of table 5 detects table
Table 5 is the actually detected data of certain engineer application.
Claims (9)
1. a kind of rapid infiltration system for rural sewage treatment, it is characterised in that: be made of upper layer and lower layer, lower layer's pond body by
Grid canal, oil partiting precipitation pool, conditioning tank and discharge bay composition, upper layer pond body are rapid infiltration pool, separately there is an external blower, institute
The influent side for stating grid canal is equipped with into sewage pipe, and grid canal inside is equipped with grid, and the rapid infiltration pool includes one from bottom to up
Layer collection water layer and several layers filter layer, closed by flanged joint between each layer, the collection water layer sequentially consists of charge for remittance
Layer and goes phosphorous layer at middle supporting plate, and the charge for remittance layer is connect by collection pipe with discharge bay, and the filter layer sequentially consists of
Bracketing plate, lower filter layer, transition zone and fast filtering layer, the lower filter layer are equipped with gas distribution pipe, and each gas distribution pipe is both connected to
On one distribution general pipeline, gas source is controlled from external fan by valve regulated, and the fast filtering layer is equipped with water distributor, often
A water distributor is both connected on a distribution main, is controlled by valve regulated；Reflux pump is equipped in the discharge bay, intermittently
Rapid filter water outlet is promoted to distribution main's reflow treatment, the water outlet side of the discharge bay is equipped with drainpipe, the drainpipe warp
Drainpipe regulating valve controls liquid level, from outflow water.
2. a kind of rapid infiltration system for rural sewage treatment according to claim 1, it is characterised in that: it is described every
It is equipped with oil partiting precipitation pool elevator pump in oil sump, promotes pump control valve through oil partiting precipitation pool and controls flow, when being controlled through PLC
Between, sewage is intermittently pumped into distribution main；Sewage has conditioning tank in the conditioning tank from oil partiting precipitation pool from conditioning tank is flowed into
Elevator pump promotes pump control valve through oil partiting precipitation pool and controls flow, controls the time through PLC, it is total that sewage is intermittently pumped into water distribution
Pipe.
3. a kind of rapid infiltration system for rural sewage treatment according to claim 1, it is characterised in that: the collection
Water layer height is 400 ~ 600mm；The single layer height of the filter layer is 400 ~ 600mm.
4. a kind of rapid infiltration system for rural sewage treatment according to claim 1, it is characterised in that: the collection
Charge for remittance layer in water layer by 20 ~ 30mm of partial size, do not fill by equal filler, and filler includes gravel and haydite；The charge for remittance layer
The UPVC that collection pipe is DN50 ~ 100mm is managed, side wall uniform pore openings, and collection pipe is connected to discharge bay, goes phosphorous layer in the collection water layer
By 10 ~ 20mm of partial size, equal filler is not filled, and filler includes calcium carbonate and kaolinite.
5. a kind of rapid infiltration system for rural sewage treatment according to claim 4, it is characterised in that: described to go
Phosphorous layer goes phosphorous layer filler module to form by multiple, and for each module flat having a size of 500*500mm, side, which is equipped with, goes to phosphorous layer side to open
Hole is provided with check-valves on the collection pipe.
6. a kind of rapid infiltration system for rural sewage treatment according to claim 1, it is characterised in that: the infiltration
The bracketing plate of filtering layer is made of the perforated plate of 5 ~ 8mm；The filler that the lower filter layer of the filter layer is not waited by 10 ~ 20mm of partial size
It fills, filler includes medium coarse sand and granular activated carbon；The UPVC that gas distribution pipe in the filter layer is DN50 ~ 100mm is managed,
Side wall uniform pore openings.
7. a kind of rapid infiltration system for rural sewage treatment according to claim 6, it is characterised in that: the infiltration
The transition zone of filtering layer is filled by the filler of 10 ~ 30mm of partial size, and filler includes zeolite and haydite.
8. a kind of rapid infiltration system for rural sewage treatment according to claim 6, it is characterised in that: the infiltration
The fast filtering layer of filtering layer is filled by the filler of 20 ~ 30mm of partial size, and filler includes gravel and haydite；Water distribution in the fast filtering layer
Pipe is managed by the UPVC of DN50 ~ 100mm, side wall uniform pore openings.
9. a kind of rapid infiltration system for rural sewage treatment according to claim 1, it is characterised in that: the infiltration
The water distributor and gas distribution pipe of filtering layer arrange according to right-angled intersection in the plane, the water distributor and gas distribution pipe phase of adjacent two layers filter layer
Mutually interval is not overlapped.
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| CN201821434388.6U CN209065665U (en) | 2018-09-03 | 2018-09-03 | A kind of rapid infiltration system for rural sewage treatment |
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| CN201821434388.6U CN209065665U (en) | 2018-09-03 | 2018-09-03 | A kind of rapid infiltration system for rural sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052852A (en) * | 2018-09-03 | 2018-12-21 | 浙江水美环保工程有限公司 | Rapid infiltration system and its quick percolation method for rural sewage treatment |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052852A (en) * | 2018-09-03 | 2018-12-21 | 浙江水美环保工程有限公司 | Rapid infiltration system and its quick percolation method for rural sewage treatment |
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