CN118005179A - An aerated subsurface wetland system with anti-clogging and high-efficiency purification - Google Patents

An aerated subsurface wetland system with anti-clogging and high-efficiency purification Download PDF

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Publication number
CN118005179A
CN118005179A CN202410419484.7A CN202410419484A CN118005179A CN 118005179 A CN118005179 A CN 118005179A CN 202410419484 A CN202410419484 A CN 202410419484A CN 118005179 A CN118005179 A CN 118005179A
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wetland
dredging
assembly
turning
cleaning
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CN202410419484.7A
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CN118005179B (en
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操召军
袁剑飞
陈娟
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Jiangsu Boling Environmental Technology Co ltd
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Jiangsu Boling Environmental Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/006—Regulation methods for biological treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention relates to the technical field of undercurrent wetland systems, in particular to an anti-clogging high-efficiency purifying aeration undercurrent wetland system, which comprises a wetland pool with a water inlet bin and a water outlet bin, wherein a packing layer and a planting layer are sequentially arranged in the wetland pool from bottom to top, and the system further comprises: the dredging and turning assembly is arranged in the wetland pool, the wetland pool is further provided with a driving assembly and a linkage assembly, the linkage assembly is in transmission connection with the dredging and turning assembly, and when the driving assembly drives the dredging and turning assembly to reciprocate in the wetland pool along the length direction, the linkage assembly synchronously drives the dredging and turning assembly to rotate so as to realize turning of the packing layer. According to the anti-clogging high-efficiency purifying aeration subsurface flow wetland system, the dredging and turning assembly is arranged in the packing layer, so that the packing layer is turned regularly, clogging caused by compact and loose uneven internal structure of the packing layer is prevented, and the packing layer is washed by matching with the backwashing assembly, so that the dredging effect of the anti-clogging high-efficiency purifying aeration subsurface flow wetland system is improved.

Description

Anti-clogging high-efficiency purifying aeration subsurface flow wetland system
Technical Field
The invention relates to the technical field of undercurrent wetland systems, in particular to an anti-clogging high-efficiency purifying aeration undercurrent wetland system.
Background
Among existing wetland treatment systems, an aeration subsurface flow wetland system is a common sewage treatment technology, and natural purification of water quality is realized by utilizing the synergistic effect of plants, microorganisms and media.
Chinese patent publication No. CN117263391a discloses a complex subsurface flow constructed wetland system. When the device operates, an operator firstly sets the reaction box, fills the filling material required by the constructed wetland system into the reaction box, then assembles the observation box to the upper end of the reaction box, so that the operator can observe the wetland through the observation box, and when the reaction box is supplied with water, in order to ensure that the flow of the wetland is stabilized in a constant range, when the water level in the water inlet box rises, the floating ball rises and drives the magnetic force engagement mechanism to operate through the tension amplifying mechanism, and the flow in the water inlet pipe can be controlled after the magnetic force engagement mechanism is started. When the water grass or sediment is present to block the outlet of the water inlet pipe, the water pressure at the outlet of the water inlet pipe is increased, and the cleaning mechanism can automatically clean sundries of the water inlet pipe.
When the existing subsurface flow wetland system is used, the problem of blockage and clogging caused by particles in sewage is solved, as the same as the application, in the prior art, the problem of blockage of pipelines is solved, but sewage enters the subsurface flow wetland system, suspended matters or biological particles contained in stains are accumulated in a filler layer, so that the filler layer is blocked, the using effect of the whole subsurface flow wetland system is affected, the whole subsurface flow wetland system is generally split, then the internal filler particles are taken out, the cleaning is troublesome and complex, and the growth state of planted plants in a planting layer is affected.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-clogging efficient purifying aeration subsurface wetland system.
The invention adopts the following technical scheme that the anti-clogging high-efficiency purifying aeration undercurrent wetland system comprises a wetland pool with a water inlet bin and a water outlet bin, wherein a packing layer and a planting layer are sequentially arranged in the wetland pool from bottom to top, a separation screen plate is arranged between the packing layer and the planting layer, and the system further comprises:
The dredging and turning assembly is arranged in the wetland pool, the wetland pool is further provided with a driving assembly and a linkage assembly, the linkage assembly is in transmission connection with the dredging and turning assembly, and when the driving assembly drives the dredging and turning assembly to reciprocate in the wetland pool along the length direction, the linkage assembly synchronously drives the dredging and turning assembly to rotate so as to realize turning of the packing layer.
As a further description of the above technical solution: the two side walls of the two sides of the length of the wetland tank are provided with L-shaped grooves along the length direction, and the horizontal ends of the L-shaped grooves penetrate through the inner wall of the wetland tank and are communicated with the inner cavity of the wetland tank, so that the horizontal ends of the two L-shaped grooves are communicated with each other through the inner cavity of the wetland tank.
As a further description of the above technical solution: the dredging and turning assembly comprises two bearing seats movably arranged in the horizontal ends of the two L-shaped grooves, a rotating shaft capable of rotating is fixed between the two bearing seats, a plurality of turning blades are fixed on the rotating shaft, and the turning blades are driven to turn the packing layer through rotation of the rotating shaft.
As a further description of the above technical solution: the novel turnover blade is characterized in that a groove is formed in the turnover blade, a turnover plate is arranged in the groove, the turnover plate is rotationally connected in the groove through a connecting shaft, a circular groove is formed in the position, opposite to the connecting shaft, of the two side walls of the turnover plate, a torsion spring is sleeved in the circular groove on the connecting shaft, one end of the torsion spring is fixedly connected with the turnover blade, and the other end of the torsion spring is fixedly connected with the turnover plate.
As a further description of the above technical solution: the driving assembly comprises a screw rod which is rotationally connected in the vertical end of the L-shaped groove, a screw rod nut seat is connected to the screw rod in a threaded manner, the screw rod nut seat is fixedly connected with a bearing seat, one end of the screw rod extends to the outer side of the wetland tank and is welded with a first bevel gear, a driving shaft which can rotate is fixed on the outer wall of the wetland tank through a mounting frame, second bevel gears are fixed at the two ends of the driving shaft and are in meshed connection with the first bevel gear, a motor seat is welded on the wetland tank, a driving motor is mounted on the motor seat, a driving gear is fixedly connected to an output shaft of the driving motor, a driven gear is fixed on the driving shaft, and the driving gear is in meshed connection with the driven gear.
As a further description of the above technical solution: the linkage assembly comprises a gear disc and a rack, the rack is embedded and arranged on the upper portion of the inner wall of the horizontal end of the L-shaped groove, the gear disc is fixedly connected to the rotating shaft, and the gear disc is meshed with the rack.
As a further description of the above technical solution: the water inlet bin and the water outlet bin are fixed on two side walls of the wetland pool along the length direction, a plurality of water distribution pipes extending into the planting layer 13) are arranged in the water inlet bin, a plurality of water outlet holes are formed in the upper surface of the water distribution pipes, and a grid filter plate is further arranged in the water inlet bin;
A plurality of water outlet pipes extending to the bottom of the interior of the wetland pool are arranged in the water outlet bin, and a plurality of water inlet holes are formed in the water outlet pipes and positioned in the wetland pool;
the inside bottom of wetland pond is fixed with the aeration pipe, the outside in wetland pond is extended to the one end of aeration pipe, be located equidistant a plurality of aeration head that is provided with in the wetland pond on the aeration pipe.
As a further description of the above technical solution: the water outlet pipe is connected with the water outlet pipe in a conducting mode, and a second electromagnetic valve is arranged at one end, close to the water outlet bin, of the water outlet pipe.
As a further description of the above technical solution: the dredging control terminal is arranged on the outer wall of the wetland pool and is used for controlling the cleaning interval period of the dredging turning assembly;
the dredging control terminal comprises:
the data acquisition module is used for acquiring the filler dredging comprehensive parameters;
The filler dredging comprehensive parameters comprise water inflow velocity, filling layer thickness and sewage particulate matter concentration;
The data analysis module generates a cleaning coefficient based on the filler dredging comprehensive parameters and generates a cleaning period command based on the cleaning coefficient, wherein the cleaning command comprises a primary period cleaning command, a secondary period cleaning command and a tertiary period cleaning command, and the cleaning interval duration of the primary period cleaning command, the secondary period cleaning command and the tertiary period cleaning command is sequentially reduced;
And the controller controls the driving assembly to work based on the cleaning period command, and when the driving assembly drives the dredging and turning assembly to reciprocate in the wetland pool along the length direction, the dredging and turning assembly is synchronously driven to rotate through the linkage assembly, so that the filler layer is turned.
As a further description of the above technical solution: the method for generating the cleaning coefficient based on the filler dredging comprehensive parameters comprises the following steps:
；
In the method, in the process of the invention, For the cleaning coefficient,For the thickness of the filling layer,Is the concentration of sewage particles,For the water inlet speed,、AndIs a weight factor,、AndAre all greater than 0;
the method for generating the cleaning command based on the cleaning coefficient comprises the following steps:
The preset cleaning coefficient threshold values are TS 1 and TS 2, wherein TS 1＜TS2;
If it is < TS 1, generating a primary period cleaning command;
if TS 1 is less than or equal to TS 2 is not more than, a secondary period cleaning command is generated;
If it is > TS 2, a three-level periodic purge command is generated.
The beneficial effects are that:
according to the anti-clogging high-efficiency purifying aeration subsurface flow wetland system, the dredging and turning assembly is arranged in the packing layer, so that the packing layer is turned periodically, the clogging caused by compact and uneven inner structure of the packing layer is prevented, the backwashing assembly is matched, the packing layer is washed, the dredging effect of the packing layer is improved, the linkage assembly is arranged, when the driving assembly drives the dredging and turning assembly to transversely move, the rotating shaft is synchronously driven to turn through the linkage assembly, the turning blade is driven to rotate, the packing layer is automatically turned, and finally the turning blade is further provided with the turning plate, so that the turning effect of the turning blade on the packing layer is further improved;
Further, through being provided with data acquisition module and gathering packing desilting comprehensive parameters, based on the desilting influence of inflow velocity of water, filling layer thickness and sewage particulate matter concentration to the packing layer, calculate the desilting cycle of packing layer comprehensively, thereby generate one-level cycle wash command, second grade cycle wash command and tertiary cycle wash command, carry out timing desilting to the packing layer based on one-level cycle wash command, second grade cycle wash command and tertiary cycle wash command, clear up it according to the clearance cycle of fixed time in overcoming prior art, can not be blocked up seriously still in time clearing up sometimes, do not produce the silting up sometimes, just start the clearance, thereby seriously influence the problem of the stability that this aeration undercurrent wetland system used.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic diagram of an anti-clogging high-efficiency purified aeration subsurface flow wetland system;
FIG. 2 is a schematic diagram of a cross section of an anti-clogging high-efficiency purified aeration subsurface flow wetland system;
FIG. 3 is a schematic diagram II in cross section of an anti-clogging high-efficiency purified aeration subsurface flow wetland system provided by the invention;
FIG. 4 is a schematic diagram of a driving assembly according to the present invention;
FIG. 5 is a schematic structural view of a dredging and turning assembly provided by the invention;
FIG. 6 is a schematic view of a flip blade according to the present invention;
FIG. 7 is an enlarged view of area A of FIG. 6 provided by the present invention;
fig. 8 is a module connection diagram of the dredging control terminal provided by the invention.
In the figure: 1. a wetland pool; 11. a separation screen; 12. a filler layer; 13. planting a layer; 14. an aeration pipe; 15. an aeration head; 16. an L-shaped groove; 2. a water inlet bin; 21. a grid filter plate; 22. a water distribution pipe; 23. a water outlet hole; 3. a water outlet bin; 31. a water outlet pipe; 32. a water inlet hole; 33. a second electromagnetic valve; 34. a flushing pipe; 35. a first electromagnetic valve; 4. a drive assembly; 41. a screw nut seat; 42. a screw rod; 43. a first bevel gear; 44. a drive shaft; 45. a second bevel gear; 46. a driven gear; 47. a motor base; 48. a driving motor; 49. a drive gear; 5. a dredging and turning assembly; 51. a rotating shaft; 52. a bearing seat; 53. turning the blade; 531. a groove; 532. a shaking plate; 533. a connecting shaft; 534. a circular groove; 535. a torsion spring; 54. a linkage assembly; 541. a gear plate; 542. a rack.
Detailed Description
The application is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the application easy to understand. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Example 1
Referring to fig. 1 to 8, the embodiment of the present invention provides a technical solution: the utility model provides a prevent stifled high-efficient aeration undercurrent wetland system that purifies, is including having wetland pond 1 that advances water storehouse 2 and play water storehouse 3, has set gradually packing layer 12 and planting layer 13 from bottom to top in the wetland pond 1, and planting layer 13 is used for planting the plant, and is provided with between packing layer 12 and the planting layer 13 and separates otter board 11, still includes:
The dredging and turning assembly 5 is arranged in the wetland tank 1, the wetland tank 1 is further provided with a driving assembly 4 and a linkage assembly 54, the linkage assembly 54 is in transmission connection with the dredging and turning assembly 5, and when the driving assembly 4 drives the dredging and turning assembly 5 to reciprocate in the wetland tank 1 along the length direction, the linkage assembly 54 synchronously drives the dredging and turning assembly 5 to rotate so as to realize turning of the filler layer 12.
The two side walls of the two sides of the length of the wetland tank 1 are provided with L-shaped grooves 16 along the length direction, and the horizontal ends of the L-shaped grooves 16 penetrate through the inner wall of the wetland tank 1 and the inner cavity of the wetland tank 1, so that the horizontal ends of the two L-shaped grooves 16 are communicated with each other through the inner cavity of the wetland tank 1.
The dredging and turning assembly 5 comprises two bearing seats 52 movably arranged in the horizontal ends of the two L-shaped grooves 16, a rotatable rotating shaft 51 is fixed between the two bearing seats 52, a plurality of turning blades 53 are fixed on the rotating shaft 51, and the turning blades 53 are driven to turn the packing layer 12 through rotation of the rotating shaft 51.
The turning blade 53 is provided with a groove 531, the groove 531 is internally provided with a turning plate 532, the turning plate 532 is rotationally connected in the groove 531 through a connecting shaft 533, a circular groove 534 is formed in the position, opposite to the connecting shaft 533, of the two side walls of the turning plate 532, a torsion spring 535 is sleeved in the circular groove 534 on the connecting shaft 533, one end of the torsion spring 535 is fixedly connected with the turning blade 53, and the other end of the torsion spring 535 is fixedly connected with the turning plate 532.
The driving assembly 4 comprises a screw rod 42 which is rotationally connected in the vertical end of the L-shaped groove 16, a screw rod nut seat 41 is connected to the screw rod 42 in a threaded manner, the screw rod nut seat 41 is fixedly connected with a bearing seat 52, one end of the screw rod 42 extends to the outer side of the wetland tank 1 and is welded with a first bevel gear 43, a rotatable driving shaft 44 is fixed to the outer wall of the wetland tank 1 through a mounting frame, second bevel gears 45 are fixed to the two ends of the driving shaft 44, the second bevel gears 45 are in meshed connection with the first bevel gear 43, a motor seat 47 is welded to the wetland tank 1, a driving motor 48 is mounted on the motor seat 47, a driving gear 49 is fixedly connected to an output shaft of the driving motor 48, a driven gear 46 is fixed to the driving shaft 44, and the driving gear 49 is in meshed connection with the driven gear 46.
The linkage assembly 54 comprises a gear plate 541 and a rack 542, wherein the rack 542 is embedded and installed on the upper portion of the inner wall of the horizontal end of the L-shaped groove 16, the gear plate 541 is fixedly connected to the rotating shaft 51, and the gear plate 541 is in meshed connection with the rack 542.
The back flush assembly further comprises a back flush assembly, the back flush assembly comprises a flushing pipe 34, a first electromagnetic valve 35 is arranged on the flushing pipe 34, one end of the flushing pipe 34 is connected with the water outlet pipe 31 in a conducting mode, and a second electromagnetic valve 33 is arranged at one end, close to the water outlet bin 3, of the water outlet pipe 31.
Specifically, when the anti-clogging high-efficiency purifying aeration subsurface flow wetland system is used, the driving assembly 4 can be controlled to work regularly, namely the driving motor 48 is turned on, the driving motor 48 drives the driven gear 46 to rotate through the driving gear 49, the driven gear 46 drives the driving shaft 44 to rotate, the driving shaft 44 drives the lead screw 42 to rotate through the second bevel gear 45 and the first bevel gear 43, the lead screw 42 rotates to drive the lead screw nut seat 41 to move, the bearing seat 52 is driven by the lead screw nut seat 41 to move, the bearing seat 52 drives the rotating shaft 51 to move in the wetland tank 1, and when the rotating shaft 51 moves, the gear disc 541 arranged on the rotating shaft 51 is driven to move on the rack 542, so that the rotating shaft 51 is driven to rotate, the turning blade 53 arranged on the rotating shaft 51 turns over the packing layer 12, ventilation and drainage of the packing layer 12 are promoted, clogging caused by tight and uneven internal structure of the packing layer 12 is prevented, and the backwash assembly arranged in a matched manner can flush accumulated silt on the packing layer 12, so that clogging in the packing layer 12 is prevented, and the stability of the use of the subsurface flow wetland system is improved;
Further, a groove 531 is formed on the turning blade 53, a rotatable turning plate 532 is disposed in the groove 531, when the turning blade 53 rotates into the filler layer 12, under the action of pressure, the turning plate 532 is extruded to shrink into the groove 531, when the turning blade 53 rotates out of the filler layer 12,
At this time, the flipping plate 532 is driven to pop out from the groove 531 under the resilience force of the torsion spring 535, so that the particles in the partial packing layer 12 are popped out, and the flipping effect of the flipping blade 53 is improved.
It should be noted that, the filler particles of the filler layer 12 are larger than the gap between the flipping blade 53 and the flipping plate 532, so that the filler particles of the filler layer 12 cannot enter the gap between the flipping blade 53 and the flipping plate 532, and the stability of the flipping plate 532 is affected.
In summary, in the present invention, by arranging the dredging and turning assembly 5 in the packing layer 12, regular turning of the packing layer 12 is achieved, blocking caused by compact and uneven internal structure of the packing layer 12 is prevented, and the packing layer 12 is washed by cooperating with the backwashing assembly, so as to improve the dredging effect, and secondly, a linkage assembly 54 is provided, when the driving assembly 4 drives the dredging and turning assembly 5 to move transversely, the linkage assembly 54 synchronously drives the rotating shaft 51 to turn, drives the turning blade 53 to rotate, automatically turns the packing layer 12, and finally, the turning blade 53 is further provided with the turning plate 532, so that the turning effect of the turning blade 53 on the packing layer 12 is further improved.
Example 2
1-2, On the basis of the above embodiment, the present embodiment further discloses a water inlet bin 2 and a water outlet bin 3, wherein the water inlet bin 2 and the water outlet bin 3 are fixed on two side walls of the wetland pool 1 along the length direction, a plurality of water distribution pipes 22 extending into the planting layer 13 are arranged in the water inlet bin 2, a plurality of water outlet holes 23 are formed in the upper surface of the water distribution pipes 22, a grid filter plate 21 is also arranged in the water inlet bin 2, and the grid filter plate 21 is obliquely arranged;
A plurality of water outlet pipes 31 extending to the bottom inside the wetland tank 1 are arranged in the water outlet bin 3, and a plurality of water inlet holes 32 are formed in the water outlet pipes 31 and positioned in the wetland tank 1;
an aeration pipe 14 is fixed at the bottom inside the wetland tank 1, one end of the aeration pipe 14 extends to the outer side of the wetland tank 1, and a plurality of aeration heads 15 are arranged on the aeration pipe 14 and positioned in the wetland tank 1 at equal intervals.
Specifically, according to the anti-clogging high-efficiency purifying aeration subsurface wetland system, the grid filter plates 21 are arranged in the water inlet bin 2, so that the sewage entering the wetland tank 1 can be primarily filtered, the water distribution pipes 22 are arranged, and the water outlet holes 23 are formed in the water distribution pipes 22 and used for discharging water, so that the sewage uniformly enters the wetland tank 1, the sewage treatment effect is improved, and the scouring effect of the sewage is reduced;
further, through being provided with a plurality of outlet pipe 31 and being connected with play water storehouse 3 in the inside bottom of wetland pond 1, set up water inlet 32 on outlet pipe 31 and be used for discharging, make water flow into in play water storehouse 3 through outlet pipe 31, such play water structure sets up, make the water of wetland pond 1 can not collect a position and then discharge again, overcome and discharge because of water is converged to a position, the flushing that produces causes the loose inhomogeneous problem that leads to the jam of packing layer 12, such play water structure sets up, make when regularly carrying out the flip to packing layer 12 and wash, outlet pipe 31 can directly use as the recoil pipe, close the first solenoid valve 35 of opening of second solenoid valve 33, let in the sparge water through wash pipe 34, after the sparge water enters into outlet pipe 31, spout through water inlet 32, wash the packing layer 12 that turns.
Example 3
The dredging treatment of the aeration subsurface flow wetland system is generally carried out regularly, but when the aeration subsurface flow wetland system is used, the pollution condition and the flow rate of treated sewage are different, the severity of the dredging can be greatly different, if the aeration subsurface flow wetland system is simply cleaned according to the cleaning period, the dredging is sometimes carried out in time, the dredging is sometimes carried out without generating the dredging, and the cleaning is started, so that the use stability of the aeration subsurface flow wetland system is seriously affected.
In order to solve the above problems, referring to fig. 1 to 8, according to this embodiment, a dredging control terminal is further added, which is disposed on the outer wall of the wetland tank 1, and is used for controlling the cleaning interval period of the dredging turning assembly 5;
The dredging control terminal comprises:
the data acquisition module is used for acquiring the filler dredging comprehensive parameters;
the filler dredging comprehensive parameters comprise water inflow velocity, filling layer thickness and sewage particulate matter concentration;
The inflow water flow rate is collected by a flow rate sensor arranged in the water distribution pipe 22, and the concentration of the sewage particles is directly measured by a suspended matter tester;
The data analysis module generates a cleaning coefficient based on the filler dredging comprehensive parameters and generates a cleaning period command based on the cleaning coefficient, wherein the cleaning command comprises a primary period cleaning command, a secondary period cleaning command and a tertiary period cleaning command, and the cleaning interval duration of the primary period cleaning command, the secondary period cleaning command and the tertiary period cleaning command is sequentially reduced;
and the controller controls the driving assembly 4 to work based on the cleaning period command, and when the driving assembly 4 drives the dredging and turning assembly 5 to reciprocate in the wetland tank 1 along the length direction, the dredging and turning assembly 5 is synchronously driven to rotate through the linkage assembly 54, so that the filler layer 12 is turned.
The method for generating the cleaning coefficient based on the filler dredging comprehensive parameters comprises the following steps:
；
In the method, in the process of the invention, For the cleaning coefficient,For the thickness of the filling layer,Is the concentration of sewage particles,For the water inlet speed,、AndIs a weight factor,、AndAre all greater than 0;
It should be noted that, the greater the thickness of the filling layer, the more pollutant deposition in the filling layer 12 will be caused, the dredging period is shortened, otherwise, the greater the concentration of the sewage particles will be, the faster the pollutant deposition in the filling layer 12 will be caused, otherwise, the dredging period is shortened, otherwise, the magnitude of the water inlet speed directly affects the dredging period of the filling layer 12, the too fast water inlet speed will cause the pollutant deposition in the filling layer 12 to be difficult to be washed away, the dredging period is shortened, the too slow water inlet speed will easily cause the accumulation and precipitation inside the filling layer 12, and also the dredging period will be shortened.
It should be noted that the number of the substrates,、AndCollecting multiple groups of comprehensive parameters by a person skilled in the art, setting corresponding weight factors for each group of comprehensive parameters, substituting the set weight factors and the collected comprehensive parameters into a formula, screening and averaging the calculated weight factors to obtain、AndIs the average value of (2);
In addition, it should be noted that the size of the weight factor is a specific numerical value obtained by quantizing each data, so that the subsequent comparison is convenient, and the size of the weight factor depends on how many comprehensive parameters are and how many comprehensive parameters are initially set by a person skilled in the art for each group of comprehensive parameters.
The method for generating the cleaning command based on the cleaning coefficient comprises the following steps:
The preset cleaning coefficient thresholds are TS 1 and TS 2, wherein TS 1＜TS2, wherein the cleaning coefficient thresholds are determined by one of skill in the art from a number of experiments;
If it is < TS 1, generating a primary period cleaning command;
if TS 1 is less than or equal to TS 2 is not more than, a secondary period cleaning command is generated;
If it is > TS 2, a three-level periodic purge command is generated.
Specifically, the anti-clogging high-efficiency purifying aeration subsurface flow wetland system is provided with a data acquisition module for acquiring filler dredging comprehensive parameters, and comprehensively calculates the dredging period of the filler layer 12 based on the dredging influence of the inflow velocity, the thickness of the filler layer and the concentration of sewage particles on the filler layer 12, so that a primary period cleaning command, a secondary period cleaning command and a tertiary period cleaning command are generated, and the filler layer 12 is regularly dredged based on the primary period cleaning command, the secondary period cleaning command and the tertiary period cleaning command, so that the problem that the use stability of the aeration subsurface flow wetland system is seriously influenced because the filler layer 12 is cleaned according to the cleaning period of fixed time in the prior art is solved, the problem that the clogging is seriously not cleaned in time sometimes, and the clogging is not generated sometimes is started is solved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a prevent stifled high-efficient aeration undercurrent wetland system that purifies, includes wetland pond (1) that has water inlet bin (2) and play water storehouse (3), packing layer (12) and planting layer (13) have been set gradually from bottom to top in wetland pond (1), and be provided with between packing layer (12) and planting layer (13) and separate otter board (11), its characterized in that still includes:
The dredging and turning assembly (5) is arranged in the wetland tank (1), the wetland tank (1) is further provided with a driving assembly (4) and a linkage assembly (54), the linkage assembly (54) is in transmission connection with the dredging and turning assembly (5), and when the driving assembly (4) drives the dredging and turning assembly (5) to reciprocate in the wetland tank (1) along the length direction, the linkage assembly (54) synchronously drives the dredging and turning assembly (5) to rotate so as to realize turning of the packing layer (12).
2. The anti-clogging high-efficiency purifying aeration subsurface flow wetland system according to claim 1, wherein the two side walls of the wetland tank (1) along the length direction are provided with L-shaped grooves (16), and the horizontal ends of the L-shaped grooves (16) penetrate through the inner wall of the wetland tank (1) and the inner cavity of the wetland tank (1) to be communicated with each other, so that the horizontal ends of the two L-shaped grooves (16) are communicated with each other through the inner cavity of the wetland tank (1).
3. The anti-clogging high-efficiency purifying aeration subsurface flow wetland system according to claim 2, wherein the dredging and turning assembly (5) comprises two bearing seats (52) movably arranged in the horizontal ends of the two L-shaped grooves (16), a rotatable rotating shaft (51) is fixed between the two bearing seats (52), a plurality of turning blades (53) are fixed on the rotating shaft (51), and the turning blades (53) are driven to turn the filler layer (12) through rotation of the rotating shaft (51).
4. The anti-clogging high-efficiency purifying aeration subsurface wetland system according to claim 3, wherein the turning blade plate (53) is provided with a groove (531), the groove (531) is internally provided with a turning plate (532), the turning plate (532) is rotationally connected in the groove (531) through a connecting shaft (533), circular grooves (534) are formed in positions, opposite to the connecting shaft (533), on two side walls of the turning plate (532), of the connecting shaft (533), torsion springs (535) are sleeved in the circular grooves (534), one ends of the torsion springs (535) are fixedly connected with the turning blade plate (53), and the other ends of the torsion springs (535) are fixedly connected with the turning plate (532).
5. The anti-clogging high-efficiency purifying aeration subsurface wetland system according to claim 4, wherein the driving assembly (4) comprises a screw rod (42) rotatably connected in the vertical end of the L-shaped groove (16), a screw rod nut seat (41) is connected to the screw rod (42) in a threaded manner, the screw rod nut seat (41) is fixedly connected with a bearing seat (52), one end of the screw rod (42) extends to the outer side of the wetland tank (1) and is welded with a first bevel gear (43), a rotatable driving shaft (44) is fixed on the outer wall of the wetland tank (1) through a mounting frame, two ends of the driving shaft (44) are fixedly connected with a second bevel gear (45), the second bevel gear (45) is meshed with the first bevel gear (43), a motor seat (47) is welded on the wetland tank (1), a driving motor (48) is mounted on the motor seat (47), a driving gear (49) is fixedly connected to the output shaft of the driving motor (48), a driven gear (46) is fixed on the driving shaft (44), and the driven gear (49) is meshed with the driven gear (46).
6. The anti-clogging high-efficiency purifying aeration subsurface flow wetland system as claimed in claim 5, wherein said linkage assembly (54) comprises a gear plate (541) and a rack (542), said rack (542) is embedded and installed on the upper portion of the inner wall of the horizontal end of the L-shaped groove (16), said gear plate (541) is fixedly connected to the rotating shaft (51), and said gear plate (541) is in meshed connection with said rack (542).
7. The anti-clogging high-efficiency purified aeration subsurface wetland system according to claim 6, wherein the water inlet bin (2) and the water outlet bin (3) are fixed on two side walls of the wetland pool (1) along the length direction, a plurality of water distribution pipes (22) extending into the planting layer (13) are arranged in the water inlet bin (2), a plurality of water outlet holes (23) are formed in the upper surface of the water distribution pipe (22), and a grid filter plate (21) is further arranged in the water inlet bin (2);
A plurality of water outlet pipes (31) extending to the inner bottom of the wetland pool (1) are arranged in the water outlet bin (3), and a plurality of water inlet holes (32) are formed in the water outlet pipes (31) and positioned in the wetland pool (1);
An aeration pipe (14) is fixed at the inner bottom of the wetland tank (1), one end of the aeration pipe (14) extends to the outer side of the wetland tank (1), and a plurality of aeration heads (15) are arranged on the aeration pipe (14) in the wetland tank (1) at equal intervals.
8. The anti-clogging high-efficiency purified aeration subsurface flow wetland system as claimed in claim 7, further comprising a back flushing assembly, wherein said back flushing assembly comprises a flushing pipe (34), a first electromagnetic valve (35) is arranged on said flushing pipe (34), one end of said flushing pipe (34) is connected with a water outlet pipe (31) in a conducting manner, and a second electromagnetic valve (33) is arranged at one end of said water outlet pipe (31) close to said water outlet bin (3).
9. The anti-clogging high-efficiency purified aeration subsurface flow wetland system according to claim 8, further comprising a dredging control terminal arranged on the outer wall of the wetland tank (1), wherein the dredging control terminal is used for controlling the cleaning interval period of the dredging turning assembly (5);
the dredging control terminal comprises:
the data acquisition module is used for acquiring the filler dredging comprehensive parameters;
The filler dredging comprehensive parameters comprise water inflow velocity, filling layer thickness and sewage particulate matter concentration;
The data analysis module generates a cleaning coefficient based on the filler dredging comprehensive parameters and generates a cleaning period command based on the cleaning coefficient, wherein the cleaning command comprises a primary period cleaning command, a secondary period cleaning command and a tertiary period cleaning command, and the cleaning interval duration of the primary period cleaning command, the secondary period cleaning command and the tertiary period cleaning command is sequentially reduced;
And the controller controls the driving assembly (4) to work based on the cleaning period command, and when the driving assembly (4) drives the dredging and turning assembly (5) to reciprocate in the length direction in the wetland tank (1), the dredging and turning assembly (5) is synchronously driven to rotate through the linkage assembly (54) so as to realize turning of the filler layer (12).
10. The anti-clogging high-efficiency purified aerated subsurface flow wetland system according to claim 9, wherein said method for generating a cleaning coefficient based on filler dredging integrated parameters comprises:
；
In the method, in the process of the invention, For the cleaning coefficient,For the thickness of the filling layer,Is the concentration of sewage particles,In order to achieve the water inlet speed, the water inlet speed is equal to the water inlet speed,、AndIs a weight factor,、AndAre all greater than 0;
the method for generating the cleaning command based on the cleaning coefficient comprises the following steps:
The preset cleaning coefficient threshold values are TS 1 and TS 2, wherein TS 1＜TS2;
If it is < TS 1, generating a primary period cleaning command;
if TS 1 is less than or equal to TS 2 is not more than, a secondary period cleaning command is generated;
If it is > TS 2, a three-level periodic purge command is generated.
CN202410419484.7A 2024-04-09 2024-04-09 Anti-clogging high-efficiency purifying aeration subsurface flow wetland system Active CN118005179B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065730A (en) * 2002-01-30 2003-08-09 주식회사 아썸 Process and System for Waste water treatment contacting micorbes and Plants in the Swampy land
CN109368810A (en) * 2018-12-24 2019-02-22 美丽国土（北京）生态环境工程技术研究院有限公司 Block-proof type horizontal subsurface flow wetland
CN212076571U (en) * 2019-11-14 2020-12-04 北京远浪潮生态建设有限公司 Anti-clogging subsurface flow wetland
CN212076572U (en) * 2019-11-26 2020-12-04 北京市北运河管理处 Water distribution/collection and silting cleaning device for subsurface flow wetland
CN213475695U (en) * 2020-06-24 2021-06-18 上海市园林设计研究总院有限公司 Anti-blocking up-flow vertical subsurface flow constructed wetland purification unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065730A (en) * 2002-01-30 2003-08-09 주식회사 아썸 Process and System for Waste water treatment contacting micorbes and Plants in the Swampy land
CN109368810A (en) * 2018-12-24 2019-02-22 美丽国土（北京）生态环境工程技术研究院有限公司 Block-proof type horizontal subsurface flow wetland
CN212076571U (en) * 2019-11-14 2020-12-04 北京远浪潮生态建设有限公司 Anti-clogging subsurface flow wetland
CN212076572U (en) * 2019-11-26 2020-12-04 北京市北运河管理处 Water distribution/collection and silting cleaning device for subsurface flow wetland
CN213475695U (en) * 2020-06-24 2021-06-18 上海市园林设计研究总院有限公司 Anti-blocking up-flow vertical subsurface flow constructed wetland purification unit

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