CN110565603B - Ecological interception control device and method for agricultural non-point source pollution - Google Patents
Ecological interception control device and method for agricultural non-point source pollution Download PDFInfo
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- CN110565603B CN110565603B CN201910778822.5A CN201910778822A CN110565603B CN 110565603 B CN110565603 B CN 110565603B CN 201910778822 A CN201910778822 A CN 201910778822A CN 110565603 B CN110565603 B CN 110565603B
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/103—Rotary drums
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
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Abstract
The invention discloses an ecological interception control device and an interception control method for agricultural non-point source pollution, which mainly comprise an interception canal body, a pre-interception device, an ecological interception device and a collecting tank; the pre-interception device is arranged at the front part of the interception canal body, and the ecological interception device is arranged at the rear part of the interception canal body; two groups of collecting grooves are arranged and are respectively arranged on the inner wall of the intercepting canal body and the position corresponding to the position of the pre-intercepting device; the pre-interception device comprises a side plate, an interception roller and a sewage discharge groove; the ecological interception device is formed by combining a planting net and a plant planting device. The device can effectively clean floating impurities in the agricultural wastewater, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of agricultural non-point source treatment, in particular to an ecological interception control device and an interception control method for agricultural non-point source pollution.
Background
Agricultural non-point source pollution refers to pollution caused by that dissolved or solid pollutants, such as soil particles, nitrogen, phosphorus, pesticide heavy metals, rural livestock manure, domestic garbage and other organic or inorganic substances in the agricultural field enter a receiving water body from unspecified regions under the action of rainfall and runoff scouring, a large amount of pollutants enter the receiving water body through farmland surface runoff, farmland drainage and underground leakage; the rural solid waste pollution is particularly serious in the agricultural non-point source pollution, a large amount of solid waste is left on two sides everywhere in a large amount of flowing water sources in rural areas, and numerous floating impurities float on the water surface, so that the pollution to rural water bodies is seriously influenced, and the treatment of the agricultural non-point source pollution is urgent.
However, the interception device for agricultural non-point source pollution in the prior art is subjected to interception treatment by the interception net, and is prone to blockage and other phenomena after being put into use for a medium and long time, so that the subsequent interception effect is influenced, the size of water flow after interception is influenced, partial devices capable of cleaning the interception net regularly exist in the prior art, but the interception net is high in energy consumption and not beneficial to being put into rural areas, and meanwhile, the agricultural non-point source treatment by ecological planting has the advantage of being green and environment-friendly. However, as the water flow floats impurities unevenly, the impurities are easy to gather at a certain point on part of the aquatic plants, so that the aquatic plants grow slowly and even die; therefore, there is a need for an interception device for improving aquatic plant purification to treat agricultural non-point source pollution, which has low energy consumption and is not easy to block.
Disclosure of Invention
In order to solve the technical problems, the invention provides an ecological interception control device and an interception control method for agricultural non-point source pollution.
The invention has the technical scheme that the ecological interception control device for agricultural non-point source pollution mainly comprises an interception canal body, a pre-interception device, an ecological interception device and a collecting tank; the pre-interception device is arranged at the front part of the interception canal body, and the ecological interception device is arranged at the rear part of the interception canal body; the two groups of collecting grooves are respectively arranged on the inner wall of the intercepting canal body and at the positions corresponding to the positions of the pre-intercepting devices;
the pre-interception device comprises a side plate, an interception roller and a sewage discharge groove; the pre-interception device is embedded with the inner walls of the collecting tanks at two sides through side plates at two ends, a plurality of groups of interception rollers are arranged between the two side plates of the pre-interception device at equal intervals from left to right, and a sewage discharge tank is arranged behind each interception roller; two ends of each sewage draining groove are respectively communicated with the collecting groove; two ends of the intercepting roller are connected with the inner wall of the pre-intercepting device through rotating pieces, a transmission gear is arranged on the outer side of a side plate of the pre-intercepting device and corresponds to the position of the intercepting roller respectively, a plurality of groups of water wheels are arranged on the intercepting roller at equal intervals, a plurality of groups of intercepting plates are arranged between two adjacent water wheels, and the intercepting plates are circumferentially arranged on the intercepting roller at equal intervals;
the sewage draining groove comprises a ball screw, a sewage draining plate and a reversing assembly; two ends of the sewage discharge groove are respectively provided with a sewage discharge port, the reversing assembly is arranged at the end face of one end of the sewage discharge groove, the other end of the sewage discharge groove is provided with an auxiliary plate in a matching mode, and the reversing assembly comprises a support plate, a first gear, a gear set and a reversing rod; the center of the support plate and the center of the auxiliary plate are both provided with screw holes, the ball screw is respectively connected with two screw holes through two ends of a screw part, the ball screw is connected with the sewage draining plate through a nut part, a driven gear is arranged at the position, corresponding to the screw holes, of the outer side of the support plate and fixedly connected with the screw part of the ball screw, the reversing rod is arranged on the right side of the driven gear and movably connected with the support plate through a reversing hole correspondingly arranged on the support plate, the gear set is formed by combining a second gear and a third gear, the width of the combination of the second gear and the third gear is the same as the diameter of the first gear, and the second gear and the third gear are connected through connecting plates at two sides; the first gear and the gear set are respectively arranged on the reversing rod, a take-up pulley is arranged at the position, corresponding to the vertical position of the reversing rod, of the upper end of the carrier plate, and the near-end face of the reversing rod bypasses the take-up pulley through a reversing line and is connected with the upper end of the sewage draining plate;
the ecological interception device is formed by combining a planting net and a plant planter; plant and carry the net from left to right equidistant a plurality of annular district that are equipped with, every annular district has all set an annular chain, the annular chain both ends are equipped with a fluted disc respectively, the fluted disc is used for supporting the annular chain and makes the annular chain rotate, and annular district middle part is equipped with a transmission water dish, transmission water dish upper portion is equipped with the transfer line, and carries the net through the transfer line and plants and rotate to be connected, and the transfer line passes through the drive belt and is connected with the connection dribbling transmission of two fluted discs upper end respectively, the equidistant a plurality of baffles that are equipped with of annular chain lateral surface, all be equipped with a plant planter between per two adjacent baffles.
Furthermore, the intercepting roller, the intercepting plate and the collecting tank are all in a mesh structure; and a flow guide inclined plane is arranged at the water inlet end of the collecting tank. The flow guide inclined plane is arranged at the front end of the collecting tank, so that the flow velocity of inflow water can be improved, the inflow water can be gathered to enter the pre-intercepting device, and the intercepting effect of the pre-intercepting device on floating sundries is improved.
Further, the outer wall of collecting vat passes through the slide rail sliding connection that motor slider and interception canal body both sides wall were equipped with, is equipped with the liquid level control assembly on the curb plate wall of interception device one side in advance simultaneously, the liquid level control assembly includes level sensor and controller, the controller passes through the data line and is connected with level sensor, and the controller passes through the wire and is connected with motor slider, and the controller is used for monitoring the difference in height of rivers liquid level and interception cylinder according to level sensor to adjust through controlling motor slider, make the interception cylinder keep the half submerged state of central axis department to rivers liquid level. Through setting up motor slide and slide rail to can carry out automatic adjustment according to rivers liquid level height through the effect of level sensor and controller, ensure the effective interception of interception cylinder to showy debris, make the interception cylinder keep half submerged state constantly simultaneously, can effectual improvement water wheels to the conversion of water energy, and then improve the work effect of intercepting device in advance.
Further, it unloads dirty groove to be equipped with on the interception board, it has the board of unloading to unload dirty inslot, unload dirty board distal end and unload dirty inslot distal end inner wall connection through the pivot, it is equipped with the weighting block to unload dirty board near-end.
Further, the first gear, the second gear, the third gear, the transmission gear and the driven gear are all straight-tooth gears. The straight-tooth gear transmission effect is stable, and the switching effect is good when the gears are switched.
Furthermore, an inertia movable plate is arranged on the corresponding side face of the sewage discharging plate and the reversing assembly, a movable hole is formed in the inertia movable plate, the movable hole is movably connected with a movable column arranged on the sewage discharging plate, a clamping ring is arranged between the movable column and the movable hole, two ends of the clamping ring are respectively connected with the bottom surface of the movable hole and the top surface of the movable hole through a spring, and the reversing line is connected with the upper end of the inertia movable plate. Through setting up inertia fly leaf, can improve the switching-over efficiency of switching-over subassembly, prevent to appear the switching-over trouble at the switching-over in-process.
Further, the plant planter is including planting main part, buoyancy post, it is the mesh structure to plant the main part, and its cross section all is the shuttle type, plants the equidistant circumference of main part outer wall and is embedded to have the buoyancy post, and the bottom is filled and is spread the water purification filler in planting the main part, it is equipped with the planting hole to plant the main part upper surface, the planting hole is used for planting aquatic plant.
Furthermore, the water purifying filler is a mixed filler composed of activated carbon particles and vermiculite in any ratio. The activated carbon has good adsorption effect, and meanwhile, vermiculite is added to provide good attachment for microorganisms so as to promote the growth of aquatic plants.
An ecological interception control method for agricultural non-point source pollution mainly comprises the following steps:
s1: filling the purified water filler in the plant planter, planting aquatic plants in the plant planter, and placing each plant planter between two adjacent partition plates;
s2: agricultural wastewater flows into the pre-interception device through the interception canal body, the liquid level sensor measures the height difference between the water flow liquid level and the interception roller, and the controller controls the motor slide block to adjust the height of the pre-interception device, so that the central axis of the interception roller reaches the water flow liquid level;
s3: cleaning the floating sundries to a collecting tank by a pre-intercepting device, and manually cleaning the floating sundries accumulated in the collecting tank once every 7-10 days;
s4: then, the ecological interception device intercepts and purifies fine impurities, the aquatic plants and the water purification filler adsorb the fine impurities, and the water body is purified.
Furthermore, when the flow velocity of agricultural wastewater is too low to trigger the pre-interception device and the ecological interception device, the auxiliary driving of the driving gear and the driving water disc by the driving motor can be realized. The normal operation of the pre-interception device and the ecological interception device can be effectively ensured by additionally arranging the driving motor, so that the device is suitable for more complex environments.
The working method of the device comprises the following steps:
agricultural wastewater flows into the pre-interception device through the interception canal body, the height difference between the water flow liquid level and the interception roller is measured through the liquid level sensor, the motor slider is controlled through the controller to adjust the height of the pre-interception device, the central axis of the interception roller is located at the water flow liquid level, water flows push the water wheel to enable the interception roller to rotate, the interception plate sequentially passes through the extension plate of the sewage discharge tank through the rotation of the interception roller, and the sewage discharge plate is opened outwards along the rotating shaft under the gravity action of a weighting block to assist in pushing floating impurities to fall into the sewage discharge tank; meanwhile, the transmission gear is driven to rotate during the rotation of the intercepting roller, the lead screw part of the ball screw is rotated through the sequential transmission with the first gear or the gear set and the driven gear, and the sewage discharging plate moves along the sewage discharging groove through the transmission with the nut part, so that the floating sundries are pushed to the sewage discharging ports at the two ends of the sewage discharging groove and fall to the collecting groove;
wherein, the theory of operation of switching-over subassembly does: when the sewage draining plate moves to the carrier plate of the reversing assembly, the inertia movable plate continuously moves to the carrier plate through the inertia effect, the sewage draining plate instantly extrudes the reversing rod through the inertia movable plate to enable the gear set to be respectively meshed with the transmission gear and the driven gear for transmission, thereby changing the original meshing transmission of the first gear with the transmission gear and the driven gear into the meshing transmission of the gear set with the transmission gear and the driven gear respectively, realizing the reversing, the sewage draining board moves to the auxiliary board along the sewage draining groove, when the sewage draining board moves to the auxiliary board, the inertia movable board moves to the sewage draining board continuously under the inertia effect, the sewage draining board pulls the reversing line through the inertia movable board, further pulling the reversing rod to enable the first gear to be respectively meshed with the transmission gear and the driven gear for transmission, thereby reversing again, the sewage discharge plate is repeatedly subjected to sewage discharge work in the sewage discharge groove, and the take-up pulley is used for constantly ensuring that the reversing line does not fall into the sewage discharge groove;
agricultural waste water flows to ecological intercepting device through interception device in advance, promotes the transmission water dish through rivers and rotates, through the transfer line, the connection pad that the effect of drive two fluted discs rotated, thereby make the fluted disc rotate, and then drive the endless chain through the fluted disc and rotate, make the plant planter slowly remove through the effect of baffle, water plant and the water purification filler of filling and laying through planting in the plant planter adsorb the tiny float debris of water, and carry out ecological purification treatment to the water.
The invention has the beneficial effects that:
(1) the ecological interception control device can effectively clean floating sundries in agricultural wastewater, has low energy consumption, can clean the floating sundries to the collecting tank, effectively prevents the interception device from being blocked and the like, and is energy-saving and environment-friendly.
(2) The pre-interception device effectively utilizes the kinetic energy of water flow, and floating sundries are automatically cleaned from the sewage discharge groove to the collecting groove in the sewage discharge treatment process, so that the phenomenon that the floating sundries are accumulated after the interception roller runs for a long time to influence the subsequent sewage discharge cleaning work can be effectively prevented.
(3) The ecological interception device effectively utilizes the kinetic energy of water flow, utilizes the kinetic energy in the movement of the plant growers, ensures that each plant grower can be positioned at the two sides and the middle position of the interception canal body, ensures that the growth of each aquatic plant is the same, ensures that the ecological purification effect of the aquatic plant is in a peak value for a long time, and is beneficial to improving the interception and purification effect on agricultural wastewater.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention.
Fig. 2 is a top view of the overall structure of the pre-intercepting apparatus of the present invention.
Fig. 3 is a partially enlarged view of fig. 2 at a.
Fig. 4 is a view showing a construction of a driving mechanism of the preliminary intercepting apparatus of the present invention.
Fig. 5 is a schematic structural view of the gear unit of the present invention.
Fig. 6 is a side view of the overall structure of the pre-intercepting apparatus of the present invention.
Fig. 7 is a sectional view at B-B of fig. 6.
Fig. 8 is a sectional view at C-C of fig. 6.
Fig. 9 is a schematic view of the structure of the interception plate of the present invention.
Fig. 10 is a top view of the overall structure of the ecological intercepting apparatus of the present invention.
Fig. 11 is a view showing a construction of a driving mechanism of the ecological intercepting apparatus of the present invention.
Fig. 12 is a schematic view of the structure of the plant planter of the present invention.
Fig. 13 is a cross-sectional view taken at D-D of fig. 12.
Fig. 14 is a schematic view of the construction of the drainage plate of the present invention.
Wherein, 1-intercepting canal body, 11-sliding rail, 2-pre-intercepting device, 21-side plate, 22-liquid level sensor, 23-controller, 3-ecological intercepting device, 31-planting carrier net, 32-annular area, 33-annular chain, 34-fluted disc, 35-transmission water disc, 36-transmission rod, 37-transmission belt, 38-connection disc, 39-partition plate, 4-collection groove, 41-diversion inclined plane, 42-motor sliding block, 5-intercepting roller, 51-rotating piece, 52-transmission gear, 53-water wheel, 54-intercepting plate, 55-sewage discharging groove, 56-sewage discharging plate, 57-weighting block, 6-sewage discharging groove, 61-ball screw, 62-sewage discharging plate, 621-inertia movable plate, inertia movable plate, 622-movable hole, 623-movable column, 624-snap ring, 625-spring, 63-sewage draining exit, 64-auxiliary plate, 7-reversing component, 71-carrier plate, 72-first gear, 73-gear set, 731-second gear, 732-third gear, 733-connecting plate, 74-reversing rod, 75-lead screw hole, 76-driven gear, 77-reversing hole, 78-take-up pulley, 79-reversing line, 8-plant planter, 81-planting main body, 82-buoyancy column, 83-water purification filler and 84-planting hole.
Detailed Description
As shown in fig. 1, an ecological interception control device for agricultural non-point source pollution mainly comprises an interception canal body 1, a pre-interception device 2, an ecological interception device 3 and a collection tank 4; the pre-interception device 2 is arranged at the front part of the interception canal body 1, and the ecological interception device 3 is arranged at the rear part of the interception canal body 1; two groups of collecting grooves 4 are respectively arranged at the positions corresponding to the positions of the inner wall of the intercepting canal body 1 and the pre-intercepting device 2; as shown in fig. 6, the outer wall of the collecting tank 4 is slidably connected to the slide rails 11 disposed on the two side walls of the intercepting canal 1 through the motor slider 42, meanwhile, a liquid level control assembly is disposed on the wall of the side plate 21 on one side of the pre-intercepting device 2, the liquid level control assembly includes a liquid level sensor 22 and a controller 23, the controller 23 is connected to the liquid level sensor 22 through a data line, the controller 23 is connected to the motor slider 42 through a wire, the controller 23 is configured to monitor the height difference between the water level and the intercepting roller 5 according to the liquid level sensor 22, and adjust the height difference by controlling the motor slider 42, so that the intercepting roller 5 maintains a semi-submerged state from the central axis to. Through setting up motor slider 42 and slide rail 11 to can carry out automatic adjustment according to rivers liquid level height through level sensor 22 and controller 23's effect, ensure the effective interception of intercepting cylinder 5 to floating debris, make intercepting cylinder 5 keep half submerged state constantly simultaneously, can effectual improvement water wheels 53 to the conversion of hydroenergy, and then improve the working effect of intercepting device 2 in advance.
As shown in fig. 2, the pre-intercepting apparatus 2 includes a side plate 21, an intercepting drum 5, a drain tank 6; the pre-interception device 2 is embedded with the inner walls of the collecting tanks 4 at two sides through side plates 21 at two ends, a plurality of groups of interception rollers 5 are arranged between the two side plates 21 of the pre-interception device 2 at equal intervals from left to right, and a sewage discharge tank 6 is arranged behind each interception roller 5; two ends of each sewage draining groove 6 are respectively communicated with the collecting groove 4; two ends of the intercepting drum 5 are connected with the inner wall of the pre-intercepting device 2 through rotating pieces 51, a transmission gear 52 is respectively arranged at the position corresponding to the position of the intercepting drum 5 on the outer side of the side plate 21 of the pre-intercepting device 2, as shown in fig. 6, 7 and 8, a plurality of groups of water wheels 53 are arranged on the intercepting drum 5 at equal intervals, a plurality of groups of interception plates 54 are arranged between two adjacent water wheels 53, and the interception plates 54 are circumferentially arranged on the intercepting drum 5 at equal intervals; the interception plate 54 is provided with a sewage discharge groove 55, as shown in fig. 9, a sewage discharge plate 56 is arranged in the sewage discharge groove 55, the far end of the sewage discharge plate 56 is connected with the inner wall of the far end of the sewage discharge groove 55 through a rotating shaft, and the near end of the sewage discharge plate 56 is provided with a weight 57.
As shown in fig. 2, 3 and 4, the sewage draining groove 6 comprises a ball screw 61, a sewage draining plate 62 and a reversing assembly 7; two ends of the sewage draining groove 6 are respectively provided with a sewage draining outlet 63, the reversing assembly 7 is arranged at one end face of the sewage draining groove 6, the other end of the sewage draining groove 6 is provided with an auxiliary plate 64, and the reversing assembly 7 comprises a carrier plate 71, a first gear 72, a gear set 73 and a reversing rod 74; the center of the carrier plate 71 and the auxiliary plate 64 is provided with a screw hole 75, the two ends of the ball screw 61 are respectively connected with the two screw holes 75 through the screw part, the ball screw 61 is connected with the sewage draining plate 62 through the nut part, the position of the outer side of the carrier plate 71 corresponding to the screw hole 75 is provided with a driven gear 76, the driven gear 76 is fixedly connected with the screw part of the ball screw 61, the right side of the driven gear 76 is provided with a reversing rod 74, the reversing rod 74 is movably connected with the carrier plate 71 through a reversing hole 77 correspondingly arranged on the carrier plate 71, as shown in fig. 5, the gear set 73 is formed by combining a second gear 731 and a third gear 732, the width of the combination of the second gear 731 and the third gear 732 is the same as the diameter of the first gear 72, and the second gear 731 and the third gear 732 are connected through connecting plates 733; as shown in fig. 3 and 4, the first gear 72 and the gear set 73 are respectively arranged on the reversing rod 74, a wire winding wheel 78 is arranged at the upper end of the carrier plate 71 corresponding to the vertical position of the reversing rod 74, and the proximal end surface of the reversing rod 74 bypasses the wire winding wheel 78 through a reversing wire 79 and is connected with the upper end of the sewage draining plate 62; as shown in fig. 14, an inertia movable plate 621 is disposed on the corresponding side surface of the sewage draining plate 62 and the reversing assembly 7, a movable hole 622 is disposed on the inertia movable plate 621, the movable hole 622 is movably connected to a movable column 623 disposed on the sewage draining plate 62, a snap ring 624 is disposed in the middle of the movable column 623 and the movable hole 622, two ends of the snap ring 624 are respectively connected to the bottom surface of the movable hole 622 and the top surface of the movable hole 622 through a spring 625, and the reversing line 79 is connected to the upper end of the inertia movable plate 621. Through setting up inertia fly leaf 621, can improve the switching-over efficiency of switching-over subassembly 7, prevent to appear the switching-over trouble at the switching-over in-process.
As shown in fig. 10 and 11, the ecological interception device 3 is formed by combining a planting net 31 and a plant planter 8; the planting net 31 is provided with a plurality of annular areas 32 at equal intervals from left to right, each annular area 32 is provided with an annular chain 33, two ends of each annular chain 33 are respectively provided with a fluted disc 34, each fluted disc 34 is used for supporting each annular chain 33 and enabling each annular chain 33 to rotate, the middle part of each annular area 32 is provided with a transmission water disc 35, the upper part of each transmission water disc 35 is provided with a transmission rod 36 and is rotatably connected with the planting net 31 through the transmission rod 36, each transmission rod 36 is respectively in belt transmission connection with a connecting disc 38 at the upper ends of the two fluted discs 34 through a transmission belt 37, the outer side surface of each annular chain 33 is provided with a plurality of partition plates 39 at equal intervals, and a plant planter 8. As shown in fig. 12 and 13, the plant growing device 8 includes a growing body 81 and buoyancy columns 82, the growing body 81 has a mesh structure, the cross section of the growing body is shuttle-shaped, the buoyancy columns 82 are embedded in the outer wall of the growing body 81 at equal intervals in the circumferential direction, the inner bottom surface of the growing body 81 is filled with pure water fillers 83, the upper surface of the growing body 81 is provided with growing holes 84, and the growing holes 84 are used for growing aquatic plants. The water purifying filler 83 is a mixed filler composed of activated carbon particles and vermiculite in any ratio. The activated carbon has good adsorption effect, and meanwhile, vermiculite is added to provide good attachment for microorganisms so as to promote the growth of aquatic plants.
As shown in fig. 1, the intercepting drum 5, the intercepting plate 54 and the collecting tank 4 are all in a mesh structure; and a diversion inclined plane 41 is arranged at the water inlet end of the collecting tank 4. The flow guide inclined plane 41 is arranged at the front end of the collecting groove 4, so that the flow velocity of inflow water can be improved, the inflow water can be converged to enter the pre-interception device 2, and the interception effect of the pre-interception device 2 on floating sundries is improved. The first gear 72, the second gear 731, the third gear 732, the transmission gear 52, and the driven gear 76 are all spur gears. The straight-tooth gear transmission effect is stable, and the switching effect is good when the gears are switched.
An ecological interception control method for agricultural non-point source pollution mainly comprises the following steps:
s1: filling the water purification filler 83 in the plant growers 8, planting aquatic plants in the plant growers 8, and placing each plant grower 8 between two adjacent partition plates 39;
s2: agricultural wastewater flows into the pre-interception device 2 through the interception canal body 1, the liquid level sensor 22 measures the height difference between the water flow liquid level and the interception roller 5, and the controller 23 controls the motor slide block 42 to adjust the height of the pre-interception device 2, so that the central axis of the interception roller 5 reaches the water flow liquid level;
s3: cleaning the floating sundries to the collecting tank 4 through the pre-intercepting device 2, and manually cleaning the floating sundries accumulated in the collecting tank 4 once every 7-10 days;
s4: then, the ecological interception device 3 intercepts and purifies the fine impurities, the aquatic plants and the water purification filler 83 adsorb the fine impurities, and the water body is purified.
When the flow velocity of the agricultural wastewater is too low to trigger the pre-interception device 2 and the ecological interception device 3, the auxiliary driving of the driving gear 52 and the driving water disk 35 can be realized by adding a driving motor. The normal operation of the pre-interception device 2 and the ecological interception device 3 can be effectively ensured by additionally arranging a driving motor, so that the device is suitable for more complex environments.
The working method of the device comprises the following steps:
agricultural wastewater flows into the pre-intercepting device 2 through the intercepting canal body 1, the height difference between the water flow liquid level and the intercepting roller 5 is measured through the liquid level sensor 22, the motor slider 42 is controlled through the controller 23 to adjust the height of the pre-intercepting device 2, the central axis of the intercepting roller 5 is located at the water flow liquid level, water flows through the pushing water wheel 53 to enable the intercepting roller 5 to rotate, the intercepting plate 54 sequentially passes through the extension plate of the sewage discharge tank 6 through the rotation of the intercepting roller 5, and the sewage discharge plate 56 is opened outwards along the rotating shaft under the gravity action of the weighting block 57 to assist in pushing floating impurities to fall into the sewage discharge tank 6; meanwhile, the intercepting roller 5 drives the transmission gear 52 to rotate during rotation, the lead screw part of the ball screw 61 is rotated through sequential transmission with the first gear 72 or the gear set 73 and the driven gear 76, the sewage discharging plate 62 moves along the sewage discharging groove 6 through transmission with the nut part, and therefore floating impurities are pushed to the sewage discharging ports 63 at two ends of the sewage discharging groove 6 and fall to the collecting groove 4;
wherein, the theory of operation of switching-over subassembly 7 does: when the sewage draining plate 62 moves to the carrier plate 71 of the reversing assembly 7, the inertia movable plate 621 continuously moves towards the carrier plate 71 through the inertia effect, the sewage draining plate 62 instantly presses the reversing rod 74 through the inertia movable plate 621 to enable the gear set 73 to be respectively meshed and driven with the transmission gear 52 and the driven gear 76, so that the sewage draining plate 62 is converted from the original meshing transmission of the first gear 72 and the transmission gear 52 and the driven gear 76 to the gear set 73 to be respectively meshed and driven with the transmission gear 52 and the driven gear 76, thereby realizing the reversing, and then the sewage draining plate 62 moves towards the auxiliary plate 64 along the sewage draining slot 6, when the sewage draining plate 62 moves to the auxiliary plate 64, the inertia movable plate 621 continuously moves towards the sewage draining plate 62, the sewage draining plate 62 pulls the reversing line 79 through the inertia movable plate 621, and further pulls the reversing rod 74 to enable the first gear 72 to be respectively meshed and driven with the transmission gear, thereby reversing again, so that the sewage draining plate 62 performs sewage draining work in the sewage draining groove 6 repeatedly, and the take-up pulley 78 is used for ensuring that the reversing wire 79 does not fall into the sewage draining groove 6 at any time;
the agricultural wastewater flows to the ecological interception device 3 through the pre-interception device 2, the transmission water disc 35 is pushed to rotate through water flow, the connection discs 38 of the two fluted discs 34 are driven to rotate through the transmission rod 36 and the transmission belt 37, so that the fluted discs 34 rotate, the annular chain 33 is driven to rotate through the fluted discs 34, the plant planter 8 slowly moves through the action of the partition plate 39, fine floating impurities in the water body are adsorbed through aquatic plants planted in the plant planter 8 and filled and paved water purification fillers 83, and the water body is subjected to ecological purification treatment;
the controller 23, the liquid level sensor 22 and the motor slide block 42 are all powered by an external storage battery, and meanwhile, the liquid level sensor 22, the controller 23 and the like are all products sold in the domestic brands.
Claims (8)
1. An ecological interception control device for agricultural non-point source pollution is characterized by mainly comprising an interception canal body (1), a pre-interception device (2), an ecological interception device (3) and a collecting tank (4); the pre-interception device (2) is arranged at the front part of the interception ditch body (1), and the ecological interception device (3) is arranged at the rear part of the interception ditch body (1); two groups of collecting grooves (4) are arranged and are respectively arranged at the corresponding positions of the inner wall of the intercepting canal body (1) and the pre-intercepting device (2);
the pre-intercepting device (2) comprises a side plate (21), an intercepting roller (5) and a sewage draining groove (6); the pre-intercepting device (2) is embedded with the inner walls of the collecting tanks (4) at two sides through side plates (21) at two ends, a plurality of groups of intercepting rollers (5) are arranged between the two side plates (21) of the pre-intercepting device (2) at equal intervals from left to right, and a sewage draining groove (6) is arranged behind each intercepting roller (5); two ends of each sewage draining groove (6) are respectively communicated with the collecting groove (4); the two ends of the intercepting roller (5) are connected with the inner wall of the pre-intercepting device (2) through rotating pieces (51), the positions, corresponding to the position of the intercepting roller (5), of the outer side of a side plate (21) of the pre-intercepting device (2) are respectively provided with a transmission gear (52), a plurality of groups of water wheels (53) are arranged on the intercepting roller (5) at equal intervals, a plurality of groups of interception plates (54) are arranged between every two adjacent water wheels (53), and the interception plates (54) are circumferentially arranged on the intercepting roller (5) at equal intervals;
the sewage draining groove (6) comprises a ball screw (61), a sewage draining plate (62) and a reversing assembly (7); two ends of the sewage discharge groove (6) are respectively provided with a sewage discharge port (63), the reversing assembly (7) is arranged at the end face of one end of the sewage discharge groove (6), the other end of the sewage discharge groove (6) is provided with an auxiliary plate (64), and the reversing assembly (7) comprises a carrier plate (71), a first gear (72), a gear set (73) and a reversing rod (74); the center of the carrier plate (71) and the auxiliary plate (64) is provided with screw holes (75), the ball screw (61) is respectively connected with two screw holes (75) through two ends of a screw part, the ball screw (61) is connected with the sewage draining plate (62) through a nut part, a driven gear (76) is arranged at the position corresponding to the screw hole (75) on the outer side of the carrier plate (71), the driven gear (76) is fixedly connected with the screw part of the ball screw (61), the reversing rod (74) is arranged on the right side of the driven gear (76), the reversing rod (74) is movably connected with the carrier plate (71) through a reversing hole (77) correspondingly arranged on the carrier plate (71), the gear set (73) is formed by combining a second gear (731) and a third gear (732), and the width of the combination of the second gear (731) and the third gear (732) is the same as the diameter of the first gear (72), the second gear (731) and the third gear (732) are connected through connecting plates (733) at two sides; the first gear (72) and the gear set (73) are respectively arranged on the reversing rod (74), a take-up pulley (78) is arranged at the position, corresponding to the vertical position of the reversing rod (74), of the upper end of the carrier plate (71), and the end face of the near end of the reversing rod (74) bypasses the take-up pulley (78) through a reversing line (79) and is connected with the upper end of the sewage draining plate (62);
the ecological interception device (3) is formed by combining a planting net (31) and a plant planter (8); plant and carry net (31) from left to right equidistant a plurality of annular district (32) that are equipped with, every annular district (32) all sets one annular chain (33), annular chain (33) both ends are equipped with a fluted disc (34) respectively, fluted disc (34) are used for supporting annular chain (33) and make annular chain (33) rotate, and annular district (32) middle part is equipped with a transmission water dish (35), transmission water dish (35) upper portion is equipped with transfer line (36), and carries net (31) rotation with planting through transfer line (36) and be connected, and transfer line (36) are connected with connection pad (38) belt drive of two fluted discs (34) upper end respectively through drive belt (37), annular chain (33) lateral surface equidistant a plurality of baffles (39) that are equipped with, all be equipped with a plant planter (8) between per two adjacent baffles (39).
2. The ecological interception control device of agricultural non-point source pollution according to claim 1, characterized in that said intercepting rollers (5), intercepting plates (54) and collecting tanks (4) are all mesh structures; and a flow guide inclined plane (41) is arranged at the water inlet end of the collecting tank (4).
3. The ecological interception control device of agricultural non-point source pollution according to claim 1, the outer wall of the collecting tank (4) is connected with sliding rails (11) arranged on two side walls of the intercepting canal body (1) in a sliding way through a motor sliding block (42), meanwhile, a liquid level control assembly is arranged on the wall of a side plate (21) at one side of the pre-interception device (2), the liquid level control assembly comprises a liquid level sensor (22) and a controller (23), the controller (23) is connected with the liquid level sensor (22) through a data line, the controller (23) is connected with a motor sliding block (42) through a conducting wire, the controller (23) is used for monitoring the height difference between the water flow liquid level and the intercepting roller (5) according to the liquid level sensor (22), and the intercepting roller (5) is kept in a semi-submerged state from the central axis to the water flow liquid level by controlling the motor slide block (42) to adjust.
4. The ecological interception control device of agricultural non-point source pollution according to claim 1, characterized in that said interception plate (54) is provided with a dirt discharge groove (55), said dirt discharge groove (55) is provided with a dirt discharge plate (56), the distal end of said dirt discharge plate (56) is connected with the inner wall of the distal end of said dirt discharge groove (55) through a rotating shaft, and the proximal end of said dirt discharge plate (56) is provided with a weighting block (57).
5. The ecological interception control device of agricultural non-point source pollution according to claim 1, characterized in that said first gear (72), said second gear (731), said third gear (732), said transmission gear (52) and said driven gear (76) are all straight-tooth gears.
6. The ecological interception control device of agricultural non-point source pollution according to claim 1, characterized in that said plant planter (8) comprises a planting main body (81) and a buoyancy column (82), said planting main body (81) is a mesh structure, and its cross section is shuttle-shaped, said buoyancy column (82) is embedded in the outer wall of said planting main body (81) at equal intervals in circumferential direction, the inner bottom surface of said planting main body (81) is filled with purified water filler (83), said planting main body (81) is provided with planting holes (84) on its upper surface, said planting holes (84) are used for planting aquatic plants.
7. The ecological interception control method of the ecological interception control device of agricultural non-point source pollution according to claim 3, which mainly comprises the following steps:
s1: filling and paving the water purifying filler (83) in the plant planter (8), planting the aquatic plants in the plant planter (8), and placing each plant planter (8) between two adjacent partition plates (39);
s2: agricultural wastewater flows into the pre-interception device (2) through the interception canal body (1), the liquid level sensor (22) measures the height difference between the water flow liquid level and the interception roller (5), and the controller (23) controls the motor slide block (42) to adjust the height of the pre-interception device (2) so that the central axis of the interception roller (5) reaches the water flow liquid level;
s3: cleaning the floating sundries to a collecting tank (4) by a pre-intercepting device (2), and manually cleaning the floating sundries accumulated in the collecting tank (4) once every 7-10 days;
s4: then, the ecological interception device (3) is used for intercepting and purifying the fine impurities, the aquatic plants and the water purification filler (83) are used for adsorbing the fine impurities, and the water body is purified.
8. The ecological interception control method of the ecological interception control device of agricultural non-point source pollution according to claim 7, characterized in that when the flow rate of the agricultural wastewater is too low to trigger the pre-interception device (2) and the ecological interception device (3), the auxiliary driving of the driving gear (52) and the driving water tray (35) can be performed.
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| CN112408710B (en) * | 2020-11-21 | 2022-03-01 | 生态环境部华南环境科学研究所 | Ecological interception device and method for agricultural non-point source pollution remediation |
| CN112960862A (en) * | 2021-02-25 | 2021-06-15 | 云南农业大学 | Channel ecological remediation device in comprehensive soil remediation |
| CN114477655A (en) * | 2022-03-01 | 2022-05-13 | 宁波市政工程建设集团股份有限公司 | Special intercepting and purifying device for agricultural ecological ditch and using method thereof |
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| SU1745702A1 (en) * | 1989-04-10 | 1992-07-07 | Ф.Г.Габибов, З.Д.Насирова и А.В.Тур- ки | Device for cleaning water in water reservoirs |
| JPH08155477A (en) * | 1994-12-02 | 1996-06-18 | Takashi Terai | Apparatus for improving water quality |
| CN108894199A (en) * | 2018-08-13 | 2018-11-27 | 福州市晋安区天海圆智工业设计有限公司 | A kind of automatic marine salvage equipment for hydraulic engineering |
| CN209098314U (en) * | 2018-09-20 | 2019-07-12 | 南京雨岚园林绿化建设有限公司 | It is a kind of can sub-unit adjust height combined ecological floating bed |
| CN109183747A (en) * | 2018-10-11 | 2019-01-11 | 重庆大学 | A kind of drift dirt interception transferring cleaning system |
| CN209099316U (en) * | 2018-11-02 | 2019-07-12 | 周红梅 | A kind of hydraulic engineering water channel impurity filtering device |
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