Green low-carbon urban non-point source pollution interception and purification treatment device and method

Abstract

The invention discloses a green low-carbon urban non-point source pollution interception and purification treatment device and method. The device comprises a box body, and a filtering assembly, a water retaining assembly and a purification assembly which are arranged in the box body, a confluence box is arranged at the top end of the box body, and the filtering assembly comprises an interception grating arranged on one side of the confluence box and a filtering plate arranged at the joint of the confluence box and the box body; the water retaining assembly comprises a lifting baffle clamped in the box body and a first motor for providing power for the lifting baffle; the purification assembly comprises a first conical hopper clamped at the lower end in the box body, a settling box arranged at the lower end of the first conical hopper and a filler net cage arranged outside the settling box in a sleeving manner; according to the device, suspended solids in rainwater are filtered and intercepted under the combined action of the interception grating, the filter plate and the settling tank, the optimized effect of layered step-by-step filtration is achieved, and the situation that silt and other impurities in the rainwater block an underground drainage pipeline, and consequently the working cost of desilting in the later period is increased is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to sewage treatment technology field, specifically to a kind of green low-carbon urban non-point source pollution interception purification treatment device and method. BACKGROUND

[0002] Urban rainfall runoff pollution refers to that rainwater and its formed runoff pass through urban ground, so that the pollutants such as crude oil, nitrogen, phosphorus, heavy metals and organic matter accumulated on urban surface enter water body directly through drainage system, causing non-point source pollution of water body. Urban rainfall runoff pollution increasingly becomes the main reason of causing environmental problems such as urban water body eutrophication, river sedimentation and water quality deterioration, and the severity of urban rainfall runoff pollution gradually attracts widespread attention of domestic and foreign researchers.

[0003] In the prior art, the rainwater on urban road is mainly guided into drainage pipe through drainage grid, and is collected to drainage well, and the grid plate purifies and intercepts and filters the sundries such as leaves and plastic bags at the drainage port, but the existing rainwater filtering grid is usually installed at one side of road curb edge or one side of green belt and road intersection, and only one side performs garbage interception, when it is stormy weather, rainwater is relatively turbulent, and is mixed with a large amount of urban road garbage, the garbage is accumulated to one side of grid plate, and the pressure exerted by storm is large, which causes the blockage at the drainage port, and aggravates the generation of urban non-point source pollution. SUMMARY

[0004] In view of the above technical problems, the present application provides a kind of green low-carbon urban non-point source pollution interception purification treatment device and method.

[0005] The technical scheme of the present application is as follows: a kind of green low-carbon urban non-point source pollution interception purification treatment device, including box and the filter assembly, water baffle assembly, purification assembly of being set in the box interior, the box top is provided with the flow box, the flow box top is movably hinged with the cleaning cover plate, the box outer side wall lower end is provided with drain pipe;

[0006] The filter assembly includes a retention grid disposed on one side of the flow box and a filter plate disposed at the connection between the flow box and the box.

[0007] The water baffle assembly includes a lifting baffle slidingly connected inside the box and penetrating the flow box at the top, and a first motor provided on the outer side wall of the box and providing power for the lifting baffle. A first waterproof box is provided inside the box outside the lifting baffle. A gear slot is provided on one side of the lifting baffle close to the inner side wall of the box, a gear rack is provided inside the gear slot, and a smooth part is provided at the lower end of the gear rack. The output end of the first motor penetrates the box and is connected with a drive gear engaged with the gear rack. A motor cover is provided on the outer side wall of the box outside the first motor.

[0008] The purification assembly comprises a first conical hopper movably clamped at the lower end inside the box body, a sediment tank provided at the lower end of the first conical hopper and movably clamped with the inner bottom of the box body, and a filler net box sleeved outside the sediment tank; an overflow groove is provided at the connecting position of the sediment tank and the first conical hopper.

[0009] Further, the power generation assembly is arranged on the box body; the power generation assembly comprises a generator arranged on the outer sidewall of the box body and a motor rotor rotatably clamped inside the box body and connected with the output end of the generator; a second conical hopper is arranged at the top inside the box body and located below the filter plate; the water outlet of the second conical hopper is located above the motor rotor; the first motor is electrically connected with the generator;

[0010] Description: The sewage left through the second conical hopper impacts the motor rotor to rotate, the motor rotor drives the generator to start, the generator converts mechanical energy into electrical energy to provide power for the electrical equipment of the device, so that the whole device can be self-sufficient, the operation cost of the device is reduced, and the environmental protection of the device is improved.

[0011] Further, the filter assembly further comprises a first cleaning member arranged inside the box body and used for cleaning the interception grid; a second waterproof tank is arranged inside the box body and located below the interception grid; the first cleaning member is arranged inside the second waterproof tank; the first cleaning member comprises a cleaning seat penetrating through the box body and slidably clamped with the interception grid, a sector gear connected with the cleaning seat, and a second motor electrically connected with the generator and used for providing power for the sector gear; the sector gear is rotatably clamped with the top inside the box body through a mounting vertical rod, a pushing slide plate is arranged on the outer sidewall of the sector gear, and the bottom end of the cleaning seat is slidably clamped with the pushing slide plate; a reset tension spring connected with the pushing slide plate is arranged at the inner bottom of the second waterproof tank; the second motor is arranged inside the second waterproof tank, and the output end of the second motor is connected with an incomplete gear meshingly connected with the sector gear;

[0012] Description: The interception grid is used for blocking the large-particle impurities in the sewage, when the water inlet of the interception grid is blocked, the second motor is used to drive the incomplete gear to rotate, at this time, the sector gear reciprocates along the mounting vertical rod under the combined action of the incomplete gear and the reset tension spring, and the cleaning seat slides up and down along the interception grid under the pushing action of the pushing slide plate, so as to clean the pollutants attached to the interception grid, thereby ensuring the operation reliability of the device.

[0013] Further, the filtering assembly further comprises a second cleaning assembly arranged in the collecting box and used for cleaning the filter plate; the second cleaning assembly comprises a rotating cam rotatably connected in the collecting box through a rotating shaft, a cleaning pressure rod slidably connected in the collecting box and abutting against the rotating cam through a positioning seat, and two cleaning scrapers respectively slidably connected on the upper end surface of the filter plate and respectively movably connected with the cleaning pressure rod; the rotating shaft penetrates through the collecting box and extends into the motor cover, and a first sprocket is connected to one end of the rotating shaft away from the rotating cam; the output end of the first motor is connected with a second sprocket; the second sprocket and the first sprocket are drivingly connected through a chain; the cleaning pressure rod is sleeved with a compression spring abutting against the upper end surface of the positioning seat; the outer side wall of the cleaning pressure rod is movably hinged with a pull rod movably hinged with the two cleaning scrapers one by one; the lifting baffle is provided with a sliding groove slidably connected with the rotating shaft;

[0014] It is specified that the first motor is operated to drive the rotating shaft and the rotating cam to rotate simultaneously, the cleaning pressure rod swings up and down along the positioning seat under the action of the rotating cam, the two cleaning scrapers swing horizontally on the upper end surface of the filter plate under the connection of the pull rod and the cleaning pressure rod, and the pollutants blocked on the upper end surface of the filter plate are scraped off.

[0015] Further, a rotating wheel is rotatably connected to the top end of the cleaning pressure rod, and a limiting ring is sleeved outside the rotating wheel; the outer side wall of the rotating cam is provided with a limiting slot movably connected with the limiting ring;

[0016] It is specified that the rotating wheel is arranged to reduce the frictional resistance between the rotating cam and the cleaning pressure rod, and the limiting ring and the limiting slot are arranged to improve the connection stability between the rotating cam and the rotating wheel.

[0017] Further, collecting boxes are arranged on the upper end surface of the box and located on both sides of the collecting box; an inlet slot is arranged at the connecting position between the collecting box and the collecting box, and a water outlet hole is arranged at the connecting position between the collecting box and the box;

[0018] It is specified that when the cleaning scrapers move horizontally on the upper end surface of the filter plate, the pollutants on the upper end surface of the filter plate can enter the inner wall of the collecting box through the inlet slot under the pushing action of the cleaning scrapers, and the water in the pollutants can enter the bottom of the box for purification treatment through the water outlet hole.

[0019] Further, a plurality of buffer plates are equidistantly distributed in the sedimentation tank, and a plurality of water falling warehouses are equidistantly distributed on the lower bottom surface of each buffer plate; the water falling warehouses on the upper and lower adjacent two impact plates are arranged in a staggered manner;

[0020] It is specified that the flow rate of the sewage entering the interior of the sedimentation tank is reduced under the action of the buffer plate and the water falling warehouse, and the impact of the sewage lower than the lower layer of the sedimentation tank is reduced, which is conducive to improving the sedimentation efficiency of the sewage.

[0021] Further, the water uniforming porous plate is slidably connected to the upper end of the filler net box through a vertical rod;

[0022] Description: By arranging the water uniforming porous plate on the filler net box, the water distribution uniformity inside the filler net box is improved, and the contact efficiency of pollutants in sewage and the water purification filler is improved; and the water uniforming porous plate is pressed tightly under the action of the pre-tightening spring, so that the preferential flow of sewage through the water purification filler is avoided.

[0023] Further, the box body comprises an upper box body and a lower box body movably connected to the lower end of the upper box body; and the purification assembly is arranged inside the lower box body.

[0024] Description: By arranging the split type box body, the box body is convenient to assemble, and the components inside the box body are convenient to maintain.

[0025] The application further provides a green low-carbon urban non-point source pollution interception and purification treatment method based on the green low-carbon urban non-point source pollution interception and purification treatment device.

[0026] S1, the box body is buried below the ground, and the collecting box is flush with the road edge, and then the drain pipe is connected with the municipal pipe network.

[0027] S2, when it rains, the rainwater enters the collecting box, the large particle impurities in the rainwater are intercepted by the interception grid, and the rainwater is further filtered by the filter plate.

[0028] S3, the filtered rainwater enters the sedimentation tank through the second conical hopper and the first conical hopper in sequence, when the rainwater flows through the second conical hopper, the impact motor rotor rotates, the motor rotor drives the generator to start, the generator converts mechanical energy into electrical energy, and drives the first motor to start, and the meshing of the driving gear and the rack makes the lifting baffle extend out of the collecting box to block the rainwater.

[0029] S4, after the rainwater enters the sedimentation tank, the pollutants in the rainwater are deposited at the bottom of the sedimentation tank, the deposited rainwater enters the filler net box through the overflow groove, the fine pollutants in the rainwater are adsorbed and purified by the water purification filler in the filler net box, and the purified rainwater is discharged into the municipal pipe network through the drain pipe; wherein the water purification filler is mixed by zeolite particles, biological ceramic and quartz sand in equal volume, the particle size of the zeolite particles is 8-12mm, the particle size of the biological ceramic is 5-8mm, and the particle size of the quartz sand is 0.6-1.2mm.

[0030] Compared with the prior art, the application has the following advantages:

[0031] First, the application utilizes the combined action of the intercepting grid, the filter plate and the sediment tank to filter and intercept the suspended matter in the rainwater, achieves the optimal effect of layered and step-by-step filtration, avoids the silt and other sundries in the rainwater from blocking the underground drainage pipeline and increasing the working cost of later desilting, meanwhile, the application utilizes the impact action of the rainwater to drive the power generation assembly to automatically operate and supply power for various electric equipment, effectively reduces the operation cost of the device, is low-carbon and environmentally friendly;

[0032] Second, the application utilizes the water purification filler mixed by the zeolite particles, the biological ceramic and the quartz sand to adsorb and purify the rainwater, can effectively reduce the content of TN, TP, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, phosphate, COD and SS in the rainwater runoff, has very important significance for protecting the water body and improving the urban ecological environment;

[0033] Third, the application utilizes the first cleaning assembly and the second cleaning assembly to respectively periodically clean the intercepting grid and the filter plate, avoids the intercepting grid and the filter plate from being blocked to affect the water purification efficiency of the device, improves the operation stability and reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is the longitudinal sectional view of the device of the application;

[0035] Figure 2 is the connection schematic view of the motor rotor and the tank body of the application;

[0036] Figure 3 is the connection schematic view of the cleaning seat and the intercepting grid of the application;

[0037] Figure 4 is the connection schematic view of the first cleaning member and the current collection box of the application;

[0038] Figure 5 is the local enlarged schematic view of the position A in the application Figure 4 ;

[0039] Figure 6 is the connection schematic view of the rotary cam and the cleaning pressure rod of the application;

[0040] Figure 7 is the structural schematic view of the lifting baffle of the application;

[0041] Figure 8 is the local enlarged schematic view of the position B in the application Figure 1 ;

[0042] Among them, 1-box body, 10-combination box, 11-cleaning cover plate, 12-drain pipe, 13-upper box body, 14-lower box body, 2-filter assembly, 20-intercepting grid, 21-filter plate, 22-first cleaning component, 220-second waterproof box, 221-cleaning seat, 222-sector gear, 2220-mounting pole, 223-second motor, 2230-incomplete gear, 224-pushing slide plate, 2240-reset tension spring, 23-second cleaning component, 230-rotating shaft, 231-rotating cam, 2310-limiting slot, 232-cleaning pressure rod, 2320-positioning seat, 2321-compression spring, 233-scraper blade, 234-first sprocket, 235- 236-Rotating wheel, 2360-Limiting ring, 237-Collection box, 2370-Feed trough, 2371-Drain hole, 3-Water baffle assembly, 30-Lifting baffle, 300-Gear slot, 301-Rack, 302-Sliding groove, 31-First motor, 310-Drive gear, 311-Motor cover, 312-Second sprocket, 32-First waterproof box, 4-Purification assembly, 40-First conical hopper, 41-Sedimentation tank, 410-Overflow trough, 42-Filling mesh box, 43-Buffer plate, 430-Drain chamber, 44-Water distribution perforated plate, 440-Upright pole, 441-Pre-tension spring, 5-Power generation assembly, 50-Generator, 51-Motor rotor, 52-Second conical hopper. Detailed Implementation

[0043] Example 1

[0044] like Figure 1 The green and low-carbon urban non-point source pollution interception and purification device shown includes a box 1 and a filter assembly 2, a water-blocking assembly 3, and a purification assembly 4 installed inside the box 1; a manifold box 10 is installed at the top of the box 1, and a cleaning cover 11 is movably hinged to the top of the manifold box 10; a drain pipe 12 is installed at the lower end of the outer side wall of the box 1.

[0045] like Figure 1 , 2 As shown, the filter assembly 2 includes a trapping grid 20 disposed on one side of the manifold 10 and a filter plate 21 disposed at the connection between the manifold 10 and the housing 1.

[0046] like Figure 1 , 7As shown, the water blocking assembly 3 comprises a lifting baffle 30 slidingly clamped inside the box 1 and penetrating the top end of the converging box 10 and a first motor 31 arranged on the outer side wall of the box 1 and providing power for the lifting baffle 30; a first waterproof box 32 is arranged inside the box 1 and located outside the lifting baffle 30; a gear clamping groove 300 is arranged on the side of the lifting baffle 30 close to the inner side wall of the box 1, a gear rack 301 is arranged inside the gear clamping groove 300, and a smooth part is arranged at the lower end of the gear rack 301; the output end of the first motor 31 penetrates the box 1 and is connected with a driving gear 310 engaged with the gear rack 301; a motor cover 311 is arranged on the outer side wall of the box 1 and located outside the first motor 31.

[0047] As shown in Figure 1 、 2 The purification assembly 4 comprises a first conical hopper 40 movably clamped at the lower end inside the box 1, a sedimentation tank 41 movably clamped with the inner bottom of the box 1 and arranged at the lower end of the first conical hopper 40, and a filler net box 42 sleeved outside the sedimentation tank 41; an overflow groove 410 is arranged penetratingly at the connection between the sedimentation tank 41 and the first conical hopper 40.

[0048] In this embodiment, the first motor 31 is a product of the prior art, for example, a gear reduction motor produced by Shanghai Fengxin Transmission Machinery Co., Ltd.

[0049] Embodiment 2

[0050] This embodiment describes a green low-carbon urban non-point source pollution interception and purification treatment method based on the green low-carbon urban non-point source pollution interception and purification treatment device of embodiment 1, comprising the following steps:

[0051] S1, bury the box 1 below the ground, make the converging box 10 flush with the road edge, and then connect the drain pipe 12 with the municipal pipe network;

[0052] S2, when it rains, rainwater enters the inside of the converging box 10, large particle impurities in the rainwater are intercepted by the interception grid 20, and the rainwater is further filtered by the filter plate 21;

[0053] S3, start the first motor 31, use the meshing action of the driving gear 310 and the gear rack 301 to make the lifting baffle 30 extend out of the converging box 10 to block the rainwater;

[0054] S4, after the rainwater enters the inside of the sediment tank 41, the pollutants in the rainwater are deposited on the bottom of the sediment tank 41, the deposited rainwater enters the inside of the filler net tank 42 through the overflow tank 410, the fine pollutants in the rainwater are adsorbed and purified by the water purification filler in the inside of the filler net tank 42, and the purified rainwater is discharged into the municipal pipe network through the drain pipe 12; wherein the water purification filler is mixed by zeolite particles, biological ceramic and quartz sand in volume, the particle size of the zeolite particles is 8-10mm, the particle size of the biological ceramic is 5-7mm, and the particle size of the quartz sand is 0.6-0.9mm.

[0055] Example 3

[0056] The difference between this embodiment and example 1 is that:

[0057] As shown in Figure 1 , 2 , the power generation assembly 5 is arranged on the box body 1; the power generation assembly 5 comprises the generator 50 (a commercially available product) arranged on the outer sidewall of the box body 1 and the motor rotor 51 rotatably clamped in the inside of the box body 1 and connected with the output end of the generator 50; the second conical hopper 52 is arranged below the filter plate 21 on the top inside of the box body 1; the water outlet of the second conical hopper 52 is located above the motor rotor 51; the first motor 31 is electrically connected with the generator 50.

[0058] Example 4

[0059] The difference between this embodiment and example 3 is that:

[0060] As shown in Figure 1 , 2 , 3, the filter assembly 2 further comprises the first cleaning member 22 arranged in the inside of the box body 1 and used for cleaning the interception grid 20; the second waterproof box 220 is arranged in the inside of the box body 1 and below the interception grid 20; the first cleaning member 22 is arranged in the inside of the second waterproof box 220; the first cleaning member 22 comprises the cleaning seat 221 penetrating through the box body 1 and slidably clamped with the interception grid 20, the sector gear 222 connected with the cleaning seat 221 and the second motor 223 for providing power for the sector gear 222 and electrically connected with the generator 50; the sector gear 222 is rotatably clamped with the top inside of the box body 1 through the installation stand 2220, the pushing slide plate 224 is arranged on the outer sidewall of the sector gear 222, and the bottom end of the cleaning seat 221 is slidably clamped with the pushing slide plate 224; the reset tension spring 2240 connected with the pushing slide plate 224 is arranged on the bottom inside of the second waterproof box 220; the second motor 223 is arranged in the inside of the second waterproof box 220, and the output end of the second motor 223 is connected with the incomplete gear 2230 engaged with the sector gear 222; wherein the second motor 223 adopts the product of the existing technology, for example, the 220V speed-regulating motor produced by Yixing Nord Environmental Protection Equipment Co., Ltd.

[0061] Embodiment 5

[0062] The difference between this embodiment and embodiment 4 is that:

[0063] As shown in Figure 1 , 4 , 5, the filter assembly 2 further comprises a second cleaning assembly 23 arranged inside the confluence box 10 and used for cleaning the filter plate 21; the second cleaning assembly 23 comprises a rotating cam 231 rotatably clamped inside the confluence box 10 through a rotating shaft 230, a cleaning pressure rod 232 slidingly clamped inside the confluence box 10 and abutting against the rotating cam 231 through a positioning seat 2320, and two cleaning scrapers 233 slidingly clamped on the upper end faces of the filter plate 21 and respectively movably connected with the cleaning pressure rod 232; the rotating shaft 230 penetrates through the confluence box 10 and extends into the inside of the motor cover 311, and an end of the rotating shaft 230 away from the rotating cam 231 is connected with a first sprocket wheel 234; the output end of the first motor 31 is connected with a second sprocket wheel 312; the second sprocket wheel 312 and the first sprocket wheel 234 are drivingly connected through a chain; the cleaning pressure rod 232 is sleeved with a compression spring 2321 abutting against the upper end face of the positioning seat 2320; the outer side walls of the cleaning pressure rod 232 are movably hinged with pull rods 235 movably hinged with the two cleaning scrapers 233 one by one; the lifting baffle 30 is provided with a sliding groove 302 slidingly clamped with the rotating shaft 230.

[0064] Embodiment 6

[0065] The difference between this embodiment and embodiment 5 is that:

[0066] As shown in Figure 6 , the top end of the cleaning pressure rod 232 is rotatably clamped with a rotating wheel 236, and the rotating wheel 236 is externally sleeved with a limiting ring 2360; the outer side wall of the rotating cam 231 is provided with a limiting clamping groove 2310 movably clamped with the limiting ring 2360; by arranging the rotating wheel 236, the frictional resistance between the rotating cam 231 and the cleaning pressure rod 232 can be reduced, and the clamping action of the limiting ring 2360 and the limiting clamping groove 2310 is conducive to improving the connection stability between the rotating cam 231 and the rotating wheel 236.

[0067] Embodiment 7

[0068] The difference between this embodiment and embodiment 6 is that:

[0069] As shown in Figure 4As shown, the upper end surface of the box body 1 and located on both sides of the confluence box 10 are provided with collection boxes 237; the connection between the collection box 237 and the confluence box 10 is provided with a feeding slot 2370, and the connection between the collection box 237 and the box body 1 is provided with a water falling hole 2371; when the cleaning scraper 233 moves horizontally on the upper end surface of the filter plate 21, the pollutants on the upper end surface of the filter plate 21 can enter the inner wall of the collection box 237 through the feeding slot 2370 under the pushing action of the cleaning scraper 233, and the moisture in the pollutants can enter the bottom of the box body 1 through the water falling hole 2371 for purification treatment.

[0070] Embodiment 8

[0071] The difference between this embodiment and embodiment 7 is that:

[0072] As shown in Figure 1 , 8 , the inside of the sedimentation tank 41 is equidistantly distributed with three buffer plates 43, and the lower bottom surface of each buffer plate 43 is equidistantly distributed with several water falling warehouses 430; the water falling warehouses 430 on the upper and lower adjacent two impact plates 43 are cross-spaced; the upper end opening of the filler net box 42 is slidingly connected with the water uniform porous plate 44 through the vertical rod 440; the vertical rod 440 is sleeved with the pre-tightening spring 441 abutting against the upper end surface of the water uniform porous plate 44; the sewage entering the inside of the sedimentation tank 41 reduces the flow rate under the action of the buffer plate 43 and the water falling warehouse 430, and also reduces the impact of the sewage lower than the lower layer of the inside of the sedimentation tank 41, which is beneficial to improve the sedimentation efficiency of the sewage.

[0073] Embodiment 9

[0074] The difference between this embodiment and embodiment 8 is that:

[0075] As shown in Figure 2 , the box body 1 includes an upper box body 13 and a lower box body 14 movably connected to the lower end of the upper box body 13; the purification assembly 4 is arranged in the inside of the lower box body 14; by arranging the split type box body 1, the assembly of the box body 1 is facilitated, and the maintenance of the components in the inside of the box body 1 is also facilitated.

[0076] Embodiment 10

[0077] This embodiment describes a green low-carbon urban non-point source pollution interception and purification treatment method, and a green low-carbon urban non-point source pollution interception and purification treatment device based on embodiment 8, comprising the following steps:

[0078] S1, bury the box body 1 below the ground, and make the confluence box 10 flush with the road edge, and then connect the drain pipe 12 with the municipal pipe network;

[0079] S2, when it rains, rainwater enters the inside of the collection box 10, the large particles in the rainwater are intercepted by the interception grid 20, and the rainwater is further filtered by the filter plate 21;

[0080] S3, the filtered rainwater enters the inside of the sediment tank 41 through the second conical hopper 52 and the first conical hopper 40 in turn, when the rainwater flows through the second conical hopper 52, the impact motor rotor 51 rotates, the motor rotor 51 drives the generator 50 to start, the generator 50 converts mechanical energy into electrical energy, and drives the first motor 31 to start, and the meshing of the driving gear 310 and the rack 301 makes the lifting baffle 30 extend out of the collection box 10 to block the rainwater;

[0081] S4, after the rainwater enters the inside of the sediment tank 41, the flow rate is reduced under the action of the buffer plate 43 and the water inlet 430, the pollutants in the rainwater are deposited at the bottom of the sediment tank 41, and the deposited rainwater enters the filler net tank 42 through the overflow groove 410, and the rainwater is uniformly distributed to the water purification filler when it flows through the water uniform porous plate 44; the water purification filler in the filler net tank 42 is used to adsorb and purify the fine pollutants in the rainwater, and the purified rainwater is discharged into the municipal pipe network through the drain pipe 12; wherein the water purification filler is mixed by zeolite particles, biological ceramic and quartz sand in volume, the particle size of the zeolite particles is 10-12mm, the particle size of the biological ceramic is 7-8mm, and the particle size of the quartz sand is 0.9-1.2mm;

[0082] S5, when the water inlet of the interception grid 20 is blocked, the second motor 223 drives the incomplete gear 2230 to rotate, at this time the sector gear 222 reciprocates along the installation vertical rod 2220 under the joint action of the incomplete gear 2230 and the reset tension spring 2240, and the cleaning seat 221 slides up and down along the interception grid 20 under the pushing action of the pushing slide plate 224, and the pollutants attached to the interception grid 20 are cleaned; at the same time, the first motor 31 runs through the first sprocket 234 to drive the rotating shaft 230 and the rotating cam 231 to rotate at the same time, and the cleaning pressure rod 232 swings up and down along the positioning seat 2320 under the action of the rotating cam 231, and the two cleaning scrapers 233 swing horizontally on the end surface of the filter plate 21 under the connection action of the pull rod 235 and the cleaning pressure rod 232, and the pollutants blocked on the end surface of the filter plate 21 are scraped off.

Claims

1. A green low-carbon urban non-point source pollution interception and purification treatment device, characterized in that, The utility model relates to a water purifying device, including box (1) and set up in the filter assembly (2) of box (1) inside, water retaining assembly (3), purification assembly (4), the top of box (1) is provided with the confluence box (10), the top of confluence box (10) is hinged with the cleaning cover plate (11) movably, and the lower end of the lateral wall of box (1) is provided with the drain pipe (12), The filter assembly (2) includes a trap grid (20) disposed on one side of the confluence box (10) and a filter plate (21) disposed at the connection between the confluence box (10) and the box (1). The water retaining assembly (3) includes a lifting baffle (30) slidingly connected inside the box (1) and penetrating the confluence box (10) at the top and a first motor (31) provided on the lateral wall of the box (1) and providing power for the lifting baffle (30); a first waterproof box (32) is provided inside the box (1) on the outside of the lifting baffle (30), a gear clamping groove (300) is provided on the side of the lifting baffle (30) close to the inner lateral wall of the box (1), a gear rack (301) is provided inside the gear clamping groove (300), and a smooth part is provided at the lower end of the gear rack (301); the output end of the first motor (31) penetrates the box (1) and is connected with a drive gear (310) engaged with the gear rack (301); a motor cover (311) is provided on the lateral wall of the box (1) outside the first motor (31). The purification assembly (4) includes a first conical hopper (40) movably connected to the lower end inside the box (1), a sedimentation tank (41) provided at the lower end of the first conical hopper (40) and movably connected to the inner bottom of the box (1), and a filler mesh box (42) sleeved outside the sedimentation tank (41); an overflow groove (410) is provided penetratingly at the connection between the sedimentation tank (41) and the first conical hopper (40), and the filler mesh box (42) is filled with clean water filler.

2. The device according to claim 1, characterized in that, It also includes a power generation assembly (5) provided on the box (1); the power generation assembly (5) includes a generator (50) provided on the lateral wall of the box (1) and a motor rotor (51) rotatably connected inside the box (1) and connected to the output end of the generator (50); a second conical hopper (52) is provided inside the box (1) above the filter plate (21); the water outlet of the second conical hopper (52) is located above the motor rotor (51); and the first motor (31) and the generator (50) are electrically connected.

3. The device according to claim 2, characterized in that, The filter assembly (2) further comprises a first cleaning member (22) arranged inside the box (1) and used for cleaning the interception grid (20); a second waterproof box (220) is arranged inside the box (1) and below the interception grid (20); the first cleaning member (22) is arranged inside the second waterproof box (220); the first cleaning member (22) comprises a cleaning seat (221) penetrating through the box (1) and slidingly connected with the interception grid (20), a sector gear (222) connected with the cleaning seat (221), and a second motor (223) for providing power for the sector gear (222) and electrically connected with the generator (50); the sector gear (222) is rotationally connected with the inner top of the box (1) through a mounting vertical rod (2220), a pushing sliding plate (224) is arranged on the outer side wall of the sector gear (222), and the bottom end of the cleaning seat (221) is slidingly connected with the pushing sliding plate (224); a reset tension spring (2240) connected with the pushing sliding plate (224) is arranged on the inner bottom of the second waterproof box (220); the second motor (223) is arranged inside the second waterproof box (220), and the output end of the second motor (223) is connected with an incomplete gear (2230) meshingly connected with the sector gear (222).

4. The green low-carbon urban non-point source pollution interception and purification treatment device according to claim 3, characterized in that, The filter assembly (2) further comprises a second cleaning assembly (23) arranged inside the confluence box (10) and used for cleaning the filter plate (21); the second cleaning assembly (23) comprises a rotating cam (231) rotationally connected inside the confluence box (10) through a rotating shaft (230), a cleaning pressing rod (232) slidingly connected inside the confluence box (10) through a positioning seat (2320) and abutting against the rotating cam (231), and two cleaning scrapers (233) slidingly connected on the upper end faces of the filter plate (21) and respectively movably connected with the cleaning pressing rod (232); the rotating shaft (230) penetrates through the confluence box (10) and extends into the motor cover (311), and a first sprocket (234) is connected with one end of the rotating shaft (230) away from the rotating cam (231); the output end of the first motor (31) is connected with a second sprocket (312); the second sprocket (312) and the first sprocket (234) are connected through chain transmission; a compression spring (2321) abutting against the upper end face of the positioning seat (2320) is sleeved on the cleaning pressing rod (232); pull rods (235) movably hinged on both sides of the outer side wall of the cleaning pressing rod (232) are in one-to-one correspondence with the two cleaning scrapers (233); a sliding groove (302) slidingly connected with the rotating shaft (230) is arranged on the lifting baffle (30).

5. The green low-carbon urban non-point source pollution interception and purification treatment device according to claim 4, characterized in that, A rotating wheel (236) is rotationally connected to the top end of the cleaning pressing rod (232), and a limiting ring (2360) is sleeved on the outside of the rotating wheel (236); a limiting clamping groove (2310) movably connected with the limiting ring (2360) is arranged on the outer side wall of the rotating cam (231).

6. The green low-carbon urban non-point source pollution interception and purification treatment device according to claim 1, characterized in that, A plurality of buffer plates (43) are equidistantly distributed inside the sedimentation tank (41), and the lower bottom surface of each buffer plate (43) is equidistantly distributed with a plurality of water falling bins (430); the water falling bins (430) on two adjacent buffer plates (43) are crossly and spacedly arranged.

7. The green low-carbon urban non-point source pollution interception and purification treatment device according to claim 1, characterized in that, A water uniforming porous plate (44) is slidably connected to the opening of the filler net tank (42) through a vertical rod (440); a pre-tightening spring (441) is sleeved on the vertical rod (440) and abuts against the upper end surface of the water uniforming porous plate (44).

8. A green low-carbon urban non-point source pollution interception and purification treatment method based on the green low-carbon urban non-point source pollution interception and purification treatment device of claim 4, characterized in that, The method comprises the following steps: S1, the box (1) is buried below the ground, and the confluence box (10) is flush with the road along, then the drain pipe (12) is connected with the municipal pipe network; S2, when it rains, the rainwater enters the inside of the confluence box (10), the large particle impurities in the rainwater are intercepted by the intercepting grid (20), and the rainwater is further filtered by the filter plate (21); S3, the filtered rainwater enters the inside of the sedimentation tank (41) through the second conical hopper (52) and the first conical hopper (40) in turn, when the rainwater flows through the second conical hopper (52), the impact motor rotor (51) rotates, the motor rotor (51) drives the generator (50) to start, the generator (50) converts mechanical energy into electrical energy, and drives the first motor (31) to start, the meshing of the driving gear (310) and the rack (301) makes the lifting baffle (30) extend out of the confluence box (10), and the rainwater is blocked; S4, after the rainwater enters the inside of the sedimentation tank (41), the pollutants in the rainwater are deposited on the inner bottom of the sedimentation tank (41), the deposited rainwater enters the inside of the filler net tank (42) through the overflow groove (410), the fine pollutants in the rainwater are adsorbed and purified by the water purification filler in the filler net tank (42), and the purified rainwater is discharged into the municipal pipe network through the drain pipe (12); wherein the water purification filler is mixed by zeolite particles, biological ceramic and quartz sand in equal volume, the particle size of the zeolite particles is 8-12mm, the particle size of the biological ceramic is 5-8mm, and the particle size of the quartz sand is 0.6-1.2mm. S5, when the water inlet of the intercepting grid (20) is blocked, the second motor (223) drives the incomplete gear (2230) to rotate, at this time, the sector gear (222) reciprocates along the mounting vertical rod (2220) under the combined action of the incomplete gear (2230) and the reset tension spring (2240), and the cleaning seat (221) slides up and down along the intercepting grid (20) under the pushing action of the pushing slide plate (224), so that the pollutants attached to the intercepting grid (20) are cleaned; at the same time, the first motor (31) drives the rotating shaft (230) and the rotating cam (231) to rotate at the same time through the first sprocket (234), the cleaning pressure rod (232) swings up and down along the positioning seat (2320) under the action of the rotating cam (231), and the two cleaning scrapers (233) swing horizontally on the upper end surface of the filter plate (21) through the connection of the pull rod (235) and the cleaning pressure rod (232), so that the pollutants blocked on the upper end surface of the filter plate (21) are scraped off.

9. The green low-carbon urban non-point source pollution interception and purification treatment device according to claim 8, characterized in that, The top end of the cleaning pressure bar (232) is rotatably connected with a rotating wheel (236), and the rotating wheel (236) is externally sleeved with a limiting ring (2360); and the outer side wall of the rotating cam (231) is provided with a limiting clamping groove (2310) which is movably connected with the limiting ring (2360).

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