CN109761359A - A kind of sewage disposal system - Google Patents
A kind of sewage disposal system Download PDFInfo
- Publication number
- CN109761359A CN109761359A CN201811173787.6A CN201811173787A CN109761359A CN 109761359 A CN109761359 A CN 109761359A CN 201811173787 A CN201811173787 A CN 201811173787A CN 109761359 A CN109761359 A CN 109761359A
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- water
- layer
- sewage disposal
- disposal system
- distribution
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- 239000010865 sewage Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000009826 distribution Methods 0.000 claims description 68
- 239000000945 filler Substances 0.000 claims description 27
- 239000004576 sand Substances 0.000 claims description 20
- 239000002689 soil Substances 0.000 claims description 19
- 239000004575 stone Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 238000011010 flushing procedure Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 238000011026 diafiltration Methods 0.000 abstract description 4
- 150000002894 organic compounds Chemical class 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000011002 quantification Methods 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 241000196324 Embryophyta Species 0.000 description 16
- 244000005700 microbiome Species 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 7
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention solves existing sewage disposal system can not be aware of stopping state in time, also can not accurate quantification stopping state, the deficiencies of counter-flushing process requires manual intervention starting place.The present invention provides a kind of sewage disposal system, including structures, water inlet pipe, outlet pipe, backwash tube, acquisition control device；Water inlet pipe is connected to the structures upper layer, and outlet pipe and the backwash tube are arranged in the structures bottom, and the acquisition control device acquires the water quality data of the outlet pipe, is compared and is judged whether that starting backwash tube is backwashed.It the first time that the present embodiment can occur in blocking, can timely, automatic identification stopping state；Automatically starting counter-flushing process；System forms aerobic zone and anoxic zone, can lifting system nitrification and denitrification efficiency can realize good Nitrogen/Phosphorus Removal, it is ensured that stable effluent quality；Simultaneously can effectively removal system denitrogenation oxidation of organic compounds generate gas, be conducive to system reduce diafiltration resistance.
Description
Technical field
The present invention relates to technical field of sewage, especially with the sewage disposal system of backwashing function.
Background technique
Under the prior art, artificial swamp be by manually build and control operation the ground similar with marshland, by sewage,
In sludge controlled dosing to the wetland through manually building, sewage and sludge during flowing in a certain direction, mainly
Using soil, artificial dielectric, plant, the physics of microorganism, chemistry, the triple synergistic effects of biology, sewage, sludge are handled
A kind of technology.Defect existing for the above technology are as follows: other harmful substances master such as organic matter, nitrogen phosphorus in the sewage of artificial swamp
It to be removed by the suction-operated of filtrate, a small amount of microorganism can be adsorbed in filtrate gap, microorganism can be gone by self-acting
Content of microorganisms except the organic matter and nitrogen phosphorus in sewage, but in filtrate is less therefore microbial action is limited, excessive free
State microorganism is easy to cause filter clogging.
The document of Publication No. CN 104085994A, discloses a kind of constructed wetland device, using by microbial method and people
Work wetland organically combines, and strengthens the effect of microorganism in artificial swamp, effectively improves wastewater treatment efficiency, takes up an area
Area is small, and cost of investment is low, but the technical solution can not thoroughly solve blockage problem.
Publication No.: the document of CN 105600938A discloses a kind of artificial swamp anti-clogging water distribution and back-flushing method
And device, the back-flushing method using hierarchical design is described, optimizes the distribution of backwashing water, it is easy to operate and without separately setting
Backwash pipeline.Under the technical solution, when artificial swamp only has blocking to occur serious, could manually it be aware of, it can not be timely
Be aware of stopping state, also can not accurate quantification stopping state, counter-flushing process requires manual intervention starting.
Summary of the invention
The present invention provides a kind of sewage disposal system, and blocking feelings can not be aware of in time by solving existing sewage disposal system
Condition, also can not accurate quantification stopping state, the deficiencies of counter-flushing process requires manual intervention starting place.To solve above-mentioned technology
Problem, the present invention is achieved by the following scheme:
A kind of sewage disposal system, including structures, water inlet pipe, outlet pipe, backwash tube, acquisition control device；It is described
Water inlet pipe is connected to the structures upper layer, and the outlet pipe and backwash tube setting are described in the structures bottom
Acquisition control device acquires the water quality data of the outlet pipe, is compared and judges whether that starting backwash tube recoils
It washes.
Preferably, the acquisition control device includes: the water quality acquisition module being separately connected with processing module, storage mould
Block, control module, timing module, water quality acquisition module timing acquiring water quality data under timing module effect, and feed back
To the processing module, the normal data stored in water quality data and memory module is compared by the processing module and is sentenced
It is disconnected, when water quality does not meet setting value, controls the backwash tube and backwashed, control module control signaling trend.
Preferably, the water quality acquisition module includes: the first acquisition unit being arranged on the outlet pipe.
Optionally, the water quality acquisition module further include: the second acquisition unit on the water inlet pipe is set.
Preferably, the acquisition control device includes: the first solenoid valve, second solenoid valve and third solenoid valve, and described
One solenoid valve is arranged on the water inlet pipe, the second solenoid valve is arranged on the backwash tube, the third solenoid valve
It is arranged on the outlet pipe.
Preferably, it is from top to bottom distributed with inside the structures: layer of plants, water distribution layer, soil horizon, sand stone layer, haydite
Layer, carrier filler layer.
Preferably, the haydite layer is provided with distribution device, and the distribution device includes the cloth being laid out in horizontal direction
Multiple gas distributions that gas supervisor, the gas distribution are responsible for upper vertical uniform connection are in charge of, and it is closed state that the gas distribution, which is in charge of end,
Multiple air outlets are evenly distributed on peripheral wall.
Preferably, a branch pipe is provided on the water inlet pipe to be communicated between the haydite layer and carrier filler layer.
Preferably, flow meters are provided on the branch pipe, the flowmeter is controlled by the acquisition control device.
Preferably, the water distribution layer is provided with water-distributing device, and the water-distributing device includes water distribution supervisor and the cloth
Water is responsible for multiple water distribution branch pipes of connection, is uniformly provided with multiple water distribution mouths on the water distribution branch pipe.
Compared with prior art, technical solution provided by the invention, the technical effect or advantage having are:
It 1, the first time occurred in blocking, can timely, automatic identification stopping state；
2, manual intervention, automatically starting counter-flushing process are not necessarily to；
3, system forms aerobic zone and anoxic zone, can lifting system nitrification and denitrification efficiency can realize that good denitrogenation removes
Phosphorus effect, it is ensured that stable effluent quality；Simultaneously can effectively removal system denitrogenation oxidation of organic compounds generate gas, be conducive to system
Reduce the resistance of diafiltration.
Detailed description of the invention
Fig. 1 is acquisition control device first embodiment structure chart of the present invention；
Fig. 2 is acquisition control device second embodiment structure chart of the present invention；
Fig. 3 is the three-dimensional structure diagram of sewage disposal system of the present invention；
Fig. 4 is sewage disposal system of the present invention along line A-A diagrammatic cross-section.
Specific embodiment
In order to better understand the above technical scheme, being carried out below in conjunction with Figure of description to above-mentioned technical proposal detailed
Explanation.
First embodiment:
As shown in figure 1, figure 3 and figure 4, a kind of sewage disposal system that first embodiment of the invention provides includes: structures
1, water inlet pipe 2, outlet pipe 3, backwash tube 4, acquisition control device 10；It is from top to bottom distributed with inside the structures 1: plant
Layer 21, water distribution layer 22, soil horizon 23, sand stone layer 24, haydite layer 25, carrier filler layer 26.The water inlet pipe 2, backwash tube 4,
The first solenoid valve 5, second solenoid valve 6 and third solenoid valve 7 are respectively arranged on outlet pipe 3；The water distribution layer 22 is provided with
Water distribution pipe 27 is uniformly provided with multiple water distribution mouths (not illustrating in figure) on the water distribution pipe 27.The water inlet pipe 2 with it is described
Water distribution pipe 27 is connected to.The water inlet pipe 2 is provided with a branch pipe 8 and is communicated between the haydite layer 25 and carrier filler layer 26,
Flow meters 9 are provided on the branch pipe 8, the flowmeter 9 is controlled by the acquisition control device 10.The backwash tube 4
Water outlet be communicated between the haydite layer 25 and carrier filler layer 26, be provided with multiple backwashes on the backwash tube 4
Water outlet (is not illustrated) in figure.The outlet pipe 3 is connected to the carrier filler layer 26.The haydite layer 25 is additionally provided with gas distribution
Device 28, the distribution device 28 include that the gas distribution being laid out in horizontal direction is responsible on 281, gas distribution supervisor 281 vertically
The multiple gas distributions being uniformly connected to are in charge of 282, and it is closed state that the gas distribution, which is in charge of 282 ends, are evenly distributed on peripheral wall more
A air outlet (not illustrating in figure).1 surface loading of structures is 0.25~1.5m3/m2·d.The soil horizon 23 is adopted
With 60 mesh~100 mesh loess.The sand stone layer 24 uses 30 mesh~60 mesh sandstone.The haydite layer 25 uses 1cm
The haydite or volcanic rock of~5cm.The carrier filler layer 26 uses polyurethane filler, specific surface area 3.5 × 105m2/m3。
There is the nylon wire of one layer of 20~60 mesh to be isolated between the sand stone layer 24 and haydite layer 25；Haydite layer 25 and carrier filler layer 26
Between have one layer of 20~60 mesh nylon screen be isolated.
Acquisition control device 10 of the invention includes: the first acquisition unit 121 being separately connected with processing module 11, storage
Module 13, control module 14, timing module 15, the first solenoid valve 6, second solenoid valve 7, third solenoid valve 8, flowmeter 9, it is described
First acquisition unit 122 is arranged on the outlet pipe 3, first acquisition unit 122 timing under the effect of timing module 15
The water quality data of outlet pipe 3 is acquired, and feeds back to the processing module 11, by water quality data and is stored by the processing module 11
The setting value stored in module 13 is compared, and when water quality does not meet setting value, controls the backwash tube 4 and opens recoil
It washes, 14 control signaling of the control module trend.Described in water quality data control of the processing module 11 also according to outlet pipe 3
The shunt volume of the adjustment branch pipe 8 of flowmeter 9.
The layer of plants 21 of sewage disposal system of the invention can planting plants albumen be high, likes moist plant, such as huge
Juncao can convert the substances such as C, N, P, S in sewage；Soil horizon 23 uses 60 mesh~100 mesh loess, thickness 20cm, soil
Microorganism in earth can pass through anabolism and catabolism pollution degradation substance.Sand stone layer 24 uses 30 mesh~60 mesh sand
Stone, thickness 30cm retain polluter by filterability while reservation soil is not lost.Haydite layer 25 uses 1cm~5cm
Haydite or volcanic rock, thickness 30cm, first haydite provides vector propagation for microorganism, realizes the objects such as sorption enhanced C, N, P, S
The effect of matter, second by physical absorption partial contamination substance, the microorganisms to be attached on haydite provide nutriment.
Carrier filler layer 26 uses polyurethane filler, specific surface area 3.5 × 105m2/m3, compacted thickness 20cm can be highly concentrated to retain
The microorganism of degree guarantees biomass for denitrification, while can also retain suspended matter, it is ensured that effluent quality.
First embodiment specific work process is as follows:
Part of contaminated water enters the water distribution layer 22 of structures 1 along water inlet pipe 2, by the water distribution mouth of water distribution pipe 27 (in figure
Do not illustrate) in 22 water distribution uniformity of water distribution layer, another part sewage is further separated into haydite along branch pipe 8 under the control of flowmeter 9
Between layer 25 and carrier filler layer 26.The flow control of water inlet pipe 2 is between 2m/s~4m/s, water distribution mouth (not illustrating in figure) stream
Speed is greater than 0.6m/s, it can be ensured that through the invention sewage disposal system of the water flow without blocking.The sewage flowed out from water distribution layer 22
It is purified by way of gravity flow followed by layer of plants 21, and in 25 layers of soil horizon 23, sand stone layer 24, haydite layer progress nitre
Change reaction, finally flows into carrier filler layer 26 and carry out anti-nitration reaction, treated sewage is by way of gravity pressure from water outlet
Pipe 3 is discharged to outside structures 1.
While sewage treatment, air intermittently can be passed through gas distribution supervisor 281 and gas distribution by the distribution device 28
Branch pipe 282 is punched into sand filter blanket 24 and haydite layer 25 carries out reoxygenation, in layer of plants 21, soil horizon 23, sand stone layer 24, haydite layer 25
Layer forms aerobic zone, carrier filler layer 26 forms anoxic zone, thus lifting system nitrification and denitrification efficiency；It can effectively arrange simultaneously
Except the gas that system denitrogenation oxidation of organic compounds generates, be conducive to the resistance that system reduces diafiltration.
The water quality data of first acquisition unit 123 timing acquiring outlet pipe 3 under the effect of timing module 15, and feed back
To the processing module 11, the setting value stored in water quality data and memory module 13 is compared by the processing module 11
It is right.When the SS of outlet pipe is greater than 100mg/L；Then illustrating system, there are stopping states, then start backwash operation, concrete operations are such as
Under: 1, it closes first solenoid valve 5 and third solenoid valve 7, water inlet pipe 2 and outlet pipe 3 is blocked；2, second solenoid valve 6 is opened, from
Water enters structures 1 by backwash tube 4 and is backwashed, and water flow successively passes through haydite layer 25, sand stone layer 24, soil horizon
23, moisturizing layer 22 enters finally into layer of plants 21.3, structures 1 are full of to water, stop backwash operation, close the second electricity
Magnet valve 6.After static 10min~30min, third solenoid valve 7 is opened, tap water is discharged from structures 1.Using above-mentioned backwash
Method can timely, automatic identification stopping state in the first time that system jams occur；And it is not necessarily to manual intervention, it can open automatically
Dynamic counter-flushing process.
The acquisition control device 10 also adjusts the shunt volume of branch pipe 8, shunt volume under normal condition by control flowmeter 9
Between system total inflow 5%~10%；When water outlet nitrate nitrogen be greater than 50mg/L, shunt volume control 10%~15% it
Between；When the nitrate nitrogen of water outlet is between 10~50mg/L, shunt volume is controlled between 5%~10%；When the nitrate nitrogen of water outlet is small
In 10mg/L, do not shunt.By above-mentioned flow-dividing control, the carbon source of sewage disposal system can be effectively supplemented, thus adjustable height
System denitrification effect.
Second embodiment:
As shown in Figure 2, Figure 3, Figure 4, second embodiment of the invention provide a kind of sewage disposal system include: structures 1,
Water inlet pipe 2, outlet pipe 3, backwash tube 4, acquisition control device 10；It is from top to bottom distributed with inside the structures 1: layer of plants
21, water distribution layer 22, soil horizon 23, sand stone layer 24, haydite layer 25, carrier filler layer 26.The water inlet pipe 2, goes out backwash tube 4
The first solenoid valve 5, second solenoid valve 6 and third solenoid valve 7 are respectively arranged on water pipe 3；The water distribution layer 22 is provided with cloth
Waterpipe 27 is uniformly provided with multiple water distribution mouths (not illustrating in figure) on the water distribution pipe 27.The water inlet pipe 2 and the cloth
Waterpipe 27 is connected to.The water inlet pipe 2 is provided with a branch pipe 8 and is communicated between the haydite layer 25 and carrier filler layer 26, institute
It states and is provided with flow meters 9 on branch pipe 8, the flowmeter 9 is controlled by the acquisition control device 10.The backwash tube 4
Water outlet is communicated between the haydite layer 25 and carrier filler layer 26, and multiple recoils are provided on the backwash tube 4 and are washed out
(do not illustrate in figure) at the mouth of a river.The outlet pipe 3 is connected to the carrier filler layer 26.The haydite layer 25 is additionally provided with gas distribution dress
28 are set, the distribution device 28 includes that the gas distribution being laid out in horizontal direction is responsible on 281, gas distribution supervisor 281 vertically
Multiple gas distributions of even connection are in charge of 282, and it is closed state that the gas distribution, which is in charge of 282 ends, are evenly distributed on peripheral wall multiple
Air outlet (is not illustrated) in figure.1 surface loading of structures is 0.25~1.5m3/m2·d.The soil horizon 23 uses
60 mesh~100 mesh loess.The sand stone layer 24 uses 30 mesh~60 mesh sandstone.The use of haydite layer 25 1cm~
The haydite or volcanic rock of 5cm.The carrier filler layer 26 uses polyurethane filler, specific surface area 3.5 × 105m2/m3.Institute
There is the nylon wire (not illustrating in figure) of one layer of 20~60 mesh to be isolated between the sand stone layer 24 stated and haydite layer 25；Haydite layer 25 and load
There is the nylon screen (not illustrating in figure) of one layer of 20~60 mesh to be isolated between body packing layer 26.
Acquisition control device 10 of the invention include: the first water quality acquisition unit 121 being separately connected with processing module 11,
Second acquisition unit 122, memory module 13, control module 14, timing module 15, the first solenoid valve 6, second solenoid valve 7, third
Solenoid valve 8, flowmeter 9, the first water quality acquisition unit 121 are arranged in the water inlet pipe 2, second acquisition unit 122
In the outlet pipe 3, the first water quality acquisition unit 121, the second acquisition unit 122 are fixed under the effect of timing module 15 for setting
When acquire the water quality data of water inlet pipe 2 and outlet pipe 3, and feed back to the processing module 11, calculated by the processing module 11
Pollutants removal rate, and the setting value stored in water quality data and pollutants removal rate information and memory module 13 is compared
It is right, when water quality does not meet setting value, controls the backwash tube 4 and open backwash, 14 control signaling of control module is walked
To.The processing module 11 controls the shunt volume that the flowmeter 9 adjusts branch pipe 8 also according to the water quality data of outlet pipe 3.
Sewage disposal system layer of plants 21 of the invention can planting plants albumen be high, likes moist plant, such as huge bacterium
Grass can convert the substances such as C, N, P, S in sewage；Soil horizon 23 uses 60 mesh~100 mesh loess, thickness 20cm, soil
In microorganism can pass through anabolism and catabolism pollution degradation substance.Sand stone layer 24 uses 30 mesh~60 mesh sand
Stone, thickness 30cm retain polluter by filterability while reservation soil is not lost.Haydite layer 25 uses 1cm~5cm
Haydite or volcanic rock, thickness 30cm, first haydite provides vector propagation for microorganism, realizes the objects such as sorption enhanced C, N, P, S
The effect of matter, second by physical absorption partial contamination substance, the microorganisms to be attached on haydite provide nutriment.
Carrier filler layer 26 uses polyurethane filler, specific surface area 3.5 × 105m2/m3, compacted thickness 20cm can be highly concentrated to retain
The microorganism of degree guarantees biomass for denitrification, while can also retain suspended matter, it is ensured that effluent quality.
Second embodiment specific work process is as follows:
Part of contaminated water enters the water distribution layer 22 of structures 1 along water inlet pipe 2, by the water distribution mouth of water distribution pipe 27 (in figure
Do not illustrate) in 22 water distribution uniformity of water distribution layer, another part sewage is further separated into haydite along branch pipe 8 under the control of flowmeter 9
Between layer 25 and carrier filler layer 26.The flow control of water inlet pipe 2 is between 2m/s~4m/s, water distribution mouth (not illustrating in figure) stream
Speed is greater than 0.6m/s, it can be ensured that through the invention sewage disposal system of the water flow without blocking.The sewage flowed out from water distribution layer 22
It is purified by way of gravity flow followed by layer of plants 21, and in 25 layers of soil horizon 23, sand stone layer 24, haydite layer progress nitre
Change reaction, finally flows into carrier filler layer 26 and carry out anti-nitration reaction, treated sewage is by way of gravity pressure from water outlet
Pipe 3 is discharged to outside structures 1.
While sewage treatment, air intermittently can be passed through gas distribution supervisor 281 and gas distribution by the distribution device 28
Branch pipe 282 is punched into sand filter blanket 24 and haydite layer 25 carries out reoxygenation, in layer of plants 21, soil horizon 23, sand stone layer 24, haydite layer 25
Layer forms aerobic zone, carrier filler layer 26 forms anoxic zone, thus lifting system nitrification and denitrification efficiency；It can effectively arrange simultaneously
Except the gas that system denitrogenation oxidation of organic compounds generates, be conducive to the resistance that system reduces diafiltration.
The first water quality acquisition unit 121, the second acquisition unit 122 timing acquiring under the effect of timing module 15 are intake
The water quality data of pipe 2 and outlet pipe 3, and the processing module 11 is fed back to, pollutant removal is calculated by the processing module 11
Rate, and the setting value stored in pollutants removal rate information and memory module 13 is compared.When TN removal rate is less than 60%,
And water outlet TN is greater than 200mg/L；Or TP removal rate is less than 50%, and is discharged TP and is greater than 10mg/L；Or COD removal rate is less than
50%, and be discharged COD and be greater than 300mg/L；Then illustrating system, there are stopping states, then start backwash operation, concrete operations are such as
Under: 1, it closes first solenoid valve 5 and third solenoid valve 7, water inlet pipe 2 and outlet pipe 3 is blocked；2, second solenoid valve 6 is opened, from
Water enters structures 1 by backwash tube 4 and is backwashed, and water flow successively passes through haydite layer 25, sand stone layer 24, soil horizon
23, moisturizing layer 22 enters finally into layer of plants 21.3, structures 1 are full of to water, stop backwash operation, close the second electricity
Magnet valve 6.After static 10min~30min, third solenoid valve 7 is opened, tap water is discharged from structures 1.Using above-mentioned backwash
Method can timely, automatic identification stopping state in the first time that system jams occur；And it is not necessarily to manual intervention, it can open automatically
Dynamic counter-flushing process.
The acquisition control device 10 also adjusts the shunt volume of branch pipe 8, shunt volume under normal condition by control flowmeter 9
Between system total inflow 5%~10%；When the nitrate nitrogen of water outlet is greater than 50mg/L, shunt volume is in control 10%~15%
Between；When the nitrate nitrogen of water outlet is in 10~50mg/L, shunt volume is controlled between 5%~10%；When the nitrate nitrogen of water outlet is less than
10mg/L is not shunted.By above-mentioned flow-dividing control, the carbon source of sewage disposal system can be effectively supplemented, thus adjustable height system
System denitrification effect.
Claims (10)
1. a kind of sewage disposal system, including structures, water inlet pipe, outlet pipe, backwash tube, acquisition control device；It is described into
Water pipe is connected to the structures upper layer, and the outlet pipe and backwash tube setting are described to adopt in the structures bottom
Collection control device acquires the water quality data of the outlet pipe, is compared and judges whether that starting backwash tube is backwashed.
2. a kind of sewage disposal system described in claim 1, it is characterised in that the acquisition control device includes: and handles mould
Water quality acquisition module, memory module, control module, the timing module that block is separately connected, the water quality acquisition module is in timing mould
Block acts on lower timing acquiring water quality data, and feeds back to the processing module, by water quality data and is stored by the processing module
Judgement is compared in the normal data stored in module, when water quality does not meet setting value, controls the backwash tube and carries out instead
It rinses, control module control signaling trend.
3. a kind of sewage disposal system as claimed in claim 2, it is characterised in that the water quality acquisition module includes: to be arranged in institute
State the first acquisition unit on outlet pipe.
4. a kind of sewage disposal system as claimed in claim 3, it is characterised in that the water quality acquisition module further include: setting exists
The second acquisition unit on the water inlet pipe.
5. a kind of sewage disposal system as claimed in claim 2, it is characterised in that the acquisition control device further include: the first electricity
Magnet valve, second solenoid valve and third solenoid valve, first solenoid valve is arranged on the water inlet pipe, the second solenoid valve is set
It sets on the backwash tube, the third solenoid valve is arranged on the outlet pipe.
6. a kind of sewage disposal system described in claim 1, it is characterised in that be from top to bottom distributed with inside the structures:
Layer of plants, water distribution layer, soil horizon, sand stone layer, haydite layer, carrier filler layer.
7. a kind of sewage disposal system as claimed in claim 6, it is characterised in that the haydite layer is provided with distribution device, described
Distribution device includes multiple gas distributions point of the gas distribution supervisor being laid out in horizontal direction, the upper vertical uniform connection of gas distribution supervisor
Pipe, it is closed state that the gas distribution, which is in charge of end, is evenly distributed with multiple air outlets on peripheral wall.
8. a kind of sewage disposal system described in claim 1, it is characterised in that be provided with branch pipe connection on the water inlet pipe
To between the haydite layer and carrier filler layer.
9. a kind of sewage disposal system as claimed in claim 7, it is characterised in that flow meters are provided on the branch pipe, it is described
Flowmeter is controlled by the acquisition control device.
10. a kind of sewage disposal system as claimed in claim 7, it is characterised in that the water distribution layer is provided with water-distributing device,
The water-distributing device includes water distribution supervisor, is responsible for multiple water distribution branch pipes for being connected to the water distribution, equal on the water distribution branch pipe
It is even to offer multiple water distribution mouths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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