CN107059742B

CN107059742B - Full-automatic road cleaning system

Info

Publication number: CN107059742B
Application number: CN201710461517.4A
Authority: CN
Inventors: 纪幸乐; 郑灵凯; 瞿蒙琦; 杨银佳; 胡康捷
Original assignee: Huzhou Vocational and Technical College
Current assignee: Huzhou Vocational and Technical College
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2023-03-24
Anticipated expiration: 2037-06-19
Also published as: CN107059742A

Abstract

The invention belongs to the field of environmental protection, and particularly relates to a full-automatic road cleaning system, which comprises a water collecting device, a water treatment device and a water supply device, wherein the water collecting device and the water treatment device are sequentially connected and are used for collecting surface rain sewage; the water collecting device comprises a rainwater collecting well connected with the water treatment device through a water conveying pipe; the water treatment equipment comprises a first filtering tank, a regulating tank and a sewage purification device, wherein the first filtering tank and the regulating tank are arranged in the underground pipe gallery and are sequentially connected through a water conveying pipe, and the first filtering tank is provided with a grid; the water supply equipment comprises a reservoir connected with the sewage purification device through a water pipe and a spray head which is supplied with water by the reservoir and is positioned on the ground; the water supply source of the water treatment equipment further comprises a municipal sewage pipeline, and the spray heads are arranged beside the road and/or on two sides of the green belt.

Description

Full-automatic road cleaning system

Technical Field

The invention belongs to the field of environmental protection, and particularly relates to a full-automatic road cleaning system.

Background

China city roads are all cleaned by using water sprinklers at present, cars are sometimes parked on the roadside, dust is swept to all cars when sprinkling water, cars are washed back by self, some water can be splashed to pedestrians when the water sprinklers work, the water is used for flushing the ground and then is dirty water, and meanwhile some citizens think that the time of water sprinkler operation at noon every day is positive and the vehicles are in the passing peak period, and the pressure is brought to traffic jam due to the fact that the water sprinklers run slowly. Secondly the music loudspeaker of watering lorry can make a lot to the people who is having a rest, if do not open loudspeaker again unfairly to the pedestrian, some have walked the pedestrian before he does not know the watering lorry comes, the influence that causes like this will be bigger. So that the citizen can have headache when seeing the medicine. And automobile exhaust that urban road watering lorry discharged also can cause the pollution to the air, and economic efficiency is poor.

Water is a source of life, the production is essential, the ecological base is achieved, and the five-water co-treatment is a measure for treating stone and birds, so that the investment is expanded, the transformation is promoted, the environment is better and the people are more lively. The five-water co-treatment refers to the treatment of sewage, flood control, waterlogging drainage, water supply protection and water saving. The water of watering lorry generally directly is arranged the sewer and is the municipal administration pipeline and flows away, and the water consumption is big, and water can't be retrieved, has also brought the pressure for five water to manage jointly.

Disclosure of Invention

The object of the present invention is to provide a fully automatic road cleaning system that addresses the above problems.

The technical purpose of the invention is realized by the following technical scheme:

a full-automatic road cleaning system comprises a water collecting device, a water treatment device and a water supply device, wherein the water collecting device and the water treatment device are sequentially connected and are used for collecting surface rain sewage; the water collecting device comprises a rainwater collecting well connected with the water treatment device through a water conveying pipe; the water treatment equipment comprises a first filtering tank, a regulating tank and a sewage purification device, wherein the first filtering tank and the regulating tank are arranged in the underground pipe gallery and are sequentially connected through a water conveying pipe, and the first filtering tank is provided with a grid; the water supply equipment comprises a reservoir connected with the sewage purification device through a water pipe and a spray head which is supplied with water by the reservoir and is positioned on the ground; the water supply source of the water treatment equipment further comprises a municipal sewage pipeline, and the spray heads are arranged beside the road and/or on two sides of the green belt.

Preferably, the rainwater collecting well comprises a well cover with filtering holes, a well way positioned below the well cover and a well bottom surface positioned at the bottom and connected with the wall of the well way through an inclined flow guide surface at the periphery, a water outlet connected with a water delivery pipe is arranged in the center of the well bottom surface, and a filtering grid structure used for passing water through and blocking objects is arranged on the water outlet.

Preferably, the drain port edge is provided with a bucket-shaped flow guide installation section with the caliber gradually increased from bottom to top, and the filter grid structure comprises a support frame vertically arranged on the flow guide installation section and a conical filter screen arranged on the support frame in a surrounding manner;

the guide flow mounting section is provided with a plurality of mounting grooves which are concentric with the water outlet and are radial, the support frame comprises a plurality of frame claws which are gathered together at the upper part and are connected with the lower part to be scattered, and the bottom ends of the frame claws are inserted into the mounting grooves;

well bottom surface or water conservancy diversion installation section have seted up a circle groove with the juncture of well bottom surface, the embedding of filter screen bottom the circle inslot, just the at least outside cell wall of keeping away from the outlet center in circle groove be with the slope cell wall that leans out from top to bottom of filter screen adaptation, correspond in the both sides cell wall of mounting groove and set up the anticreep caulking groove of caving in, frame claw bottom is equipped with the fillet of bellied and anticreep caulking groove adaptation.

This application grid structure also can keep off the great rubbish of most weight simultaneously and do not get into the raceway in the well, and then has reduced the degree of difficulty of clearance in the piping lane, and most rubbish can be opened by the separation in first link, and it is better to guarantee also that sequent quality of water is better, and is clean, purify more convenient. The structure of the conical filter screen can block garbage to the edge of a well, so that a water outlet is not easy to block, and drainage is facilitated.

Preferably, the inclination angle between the well bottom surface and the horizontal plane is smaller than that of the inclined flow guide surface, and the difference between the inner diameter and the outer diameter of the projection of the flow guide installation section on the horizontal plane is at least 1/3 of the difference between the inner diameter and the outer diameter of the projection of the well bottom surface on the horizontal plane;

the bottom surface of the well is set to be an inclined surface, and the diversion installation section is also a large area surface, so that flowing water is convenient, and the support frame is more stable after being installed.

The outer side of each frame claw is provided with an outer claw part erected on the bottom surface of the well, and each filter screen comprises a plurality of single screens arranged between the outer side edges of the adjacent outer claw parts;

the outer side of the filter screen is fixedly provided with a circle of clear object filtering ring with the middle part sinking to form an arc-shaped object bearing groove, the inner side of the clear object filtering ring is fixedly connected with the filter screen, the outer side of the clear object filtering ring is attached to the slope surface of the flow guide installation section, the top end of the support frame extends out of the filter screen and is provided with a lifting part used for lifting the filter grid structure together with the clear object filtering ring, a straight connecting rod is further connected between the outer edge and the inner edge of the clear object filtering ring corresponding to the outer claw part, the straight connecting rod is fixedly connected with the outer claw part, and the outer edge of the clear object filtering ring is lower than the inner edge.

Clear thing straining ring, filter screen, for the cooperation of the well bottom surface and the water conservancy diversion installation section on inclined plane to directly the separation of rubbish is on clear thing straining ring, filter screen, and water survey is followed clear thing straining ring, filter screen and is directly got off and along with the leading-in outlet of inclined plane, has improved the effect of water and rubbish separation greatly, has improved the efficiency of catchmenting simultaneously. The design of the object cleaning filter ring is convenient for wrapping the garbage on the object cleaning filter ring and the filter screen, the garbage in the well is convenient to clean, and all the garbage can be thrown up only by pulling the lifting part. The straight connecting rod ensures the strength of the filter ring for cleaning the articles, and the filter ring is not easy to deform and can be attached to the flow guide installation section.

The outer claw portion is opened to have the link up the outer claw portion face and towards the open-ended grooved rail of side end face at outlet center, the frame claw outside of putting between the claw links firmly the round embedding grooved rail and can make the groove change along its pivoted rail circle, carry the pulling part link firmly in on the outer claw portion.

The outer claw part and the frame claw can rotate relatively. And the clear thing is strained circle and is linked firmly with outer claw portion to avoided rubbish or filth to compress tightly or the adhesion clear thing and strain the circumstances of circle and water conservancy diversion installation section, carried the portion through rotating and rotate the clear thing of sealing under rubbish and strain the circle, so as to reach the effect that becomes flexible clear thing and strain the circle, thereby be convenient for mention the filter grid structure, the workman of being convenient for clears up rubbish, also guarantees that each part is not fragile, does not need to pull firmly and mentions.

Preferably, the first filtering tank comprises a filtering tank body, a grid frame obliquely erected in the tank body, a material guide hopper positioned at the bottom end of the grid frame, a liquid delivery pipe which extends into the filtering tank body from the tank wall on the side where the material guide hopper is positioned and the front end of which exceeds the material guide hopper and is suspended above the grid frame, the bottom of the grid frame is partially overlapped with the upper surface of the material guide hopper, and a push-pull assembly which can enable the material guide hopper to reciprocate and is used for shaking sundries into the material guide hopper is further arranged in the filtering tank body.

Preferably, the push-pull assembly comprises inclined guide rails 212 which are fixedly arranged on the filtering tank body and are positioned on two sides of the grid frame, a reciprocating rod which is connected to the top of the grid frame and is used for lifting the grid frame, a limiting part for preventing the grid frame from falling off is arranged at the upper end of each inclined guide rail, and a buffer spring is further arranged between the limiting part and the grid frame;

the liquid delivery pipe is directly delivered to the upper part of the grid and exceeds the guide hopper, so that liquid is guaranteed to fall onto the grid to enter the adjusting tank for adjustment, and impurities are separated from the grid and shake into the guide hopper under the reciprocating shaking of the grid.

The limiting part and the grid frame are respectively provided with a sleeve pipe which is mutually sleeved to form a sleeve cavity, the buffer spring is arranged in the sleeve cavity, and the sleeve pipe on the limiting part is sleeved outside the sleeve pipe on the grid frame;

the buffer spring is arranged in the sleeve cavity, so that the buffer spring is convenient to protect and is not easy to block, and meanwhile, the limit part and the grid frame have a limit guiding effect, so that the grid reciprocating motion is more stable.

The inclined guide rail extends to the upper surface of the object guide hopper and is fixedly connected with the object guide hopper, and the top end of the object guide hopper is higher than the water outlet of the filtering tank body.

Preferably, the sewage purification device comprises an anaerobic reactor, an anoxic reactor, an aerobic reactor, a secondary sedimentation tank and a second filtering tank which are arranged in sequence.

Preferably, the nozzles are arranged on brackets at two sides of the road and/or two sides of the green belt, the nozzles are connected with the water delivery pipe through a hose, and a track for the nozzles to move back and forth is arranged on the brackets along the road advancing direction.

Preferably, a fixed-point spray head for irrigating plants in the green belt is further fixedly arranged in the green belt, the cleaning system further comprises a controller, a high-pressure water pump connected with the controller and used for delivering water in the reservoir to the spray head, a water suction pump used for pumping sewage in the municipal sewage pipeline to the first filtering tank, and a water suction pump connected between the regulating tank and the sewage purification equipment.

Preferably, the cleaning system further comprises a temperature sensing device and an infrared sensing device which are arranged at least on one side of the road.

In conclusion, the invention has the following beneficial effects:

1. in order to solve the problem of treating sewage, draining stagnant water and saving water, a sponge city concept is adopted at 3 points, namely the sponge city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water in rainy days, and releases the stored water for utilization when needed. The sponge city is a sustainable city construction mode described from the city rainfall flood management perspective, and has the connotation that modern cities have the functions of absorbing, purifying and utilizing rainwater like sponges, and the capacities of preventing and reducing disasters and maintaining ecological functions for coping with climate change and extreme rainfall.

2. The method changes the traditional method that the cleaning work of the urban road mainly comprises manual work or mechanical work, and changes the traditional quick drainage mode that the existing drainage system only drains, does not store and only does not drain. The working efficiency is improved, the aims of automatically clearing road pollution by utilizing rain sewage and keeping the road clean and tidy are achieved, and plants on the green belt are irrigated regularly.

3. Full-automatic high-pressure road cleaning device mainly by the equalizing basin, sewage purification device, the cistern, high pressure nozzle, the rainwater collecting well, temperature-sensing device, infrared ray induction system high pressure water pump, the raceway etc. constitute, thereby the shower nozzle of its device is put on the bracket on "curb stone" of the greenbelt on roadside and is removed the realization and spray the water column and clean the road surface and cool down for the road surface, equalizing basin wherein, sewage purification device, the cistern is put and is made things convenient for the manual work to maintain in the underground pipe gallery, simultaneously with the partial sewage union coupling of underground pipe gallery be used for purifying the back and spray the road surface. The device can comprehensively replace the traditional method of cleaning the road surface mainly by manpower or an urban road sprinkler, improve the working efficiency, and achieve the purposes of recycling rainwater and sewage, automatically removing road pollution and keeping the road clean and tidy.

4. The invention aims to solve the technical problems of treating sewage, draining stagnant water and saving water, and the device utilizes a rainwater collecting well to collect water during raining, waste water used for cleaning a road surface and partial waste water of an underground drainage pipeline after being treated by a reclaimed water circulating device and then storing the waste water in a reservoir after meeting the reclaimed water quality requirement, starts a high-pressure water pump when the water in the reservoir is needed to be used for the road, sends the water in the reservoir to a spray head through a water pipe, sprays and cleans the road surface through the spray head and irrigates plants on a green belt, thereby comprehensively changing the traditional water use mode through a plurality of technologies of seepage, stagnation, storage, purification, use, drainage and the like, and changing the traditional quick drainage mode that the existing drainage system only discharges water without storage or only. The water is drained when water is plentiful, the water problem is solved on site by the principle that purified water is drained when water is needed and the water is drained similar to sponge water absorption and drainage, the utilization rate of water resources is improved, and the urban benign hydrologic cycle is realized by the urban flood drainage function.

Drawings

FIG. 1 is a schematic cross-sectional view of a road with green belts;

FIG. 2 is a schematic view of a road with green belts;

FIG. 3 is a schematic view of a cross-section of a road without green belts;

FIG. 4 is a schematic view of a green belt road plane structure;

FIG. 5 is a schematic view of a collection well configuration;

FIG. 6 is a schematic view of a jaw mounting arrangement;

FIG. 7 is a schematic diagram of a hoistway structure with a clearance filter ring;

FIG. 8 is a schematic view of the structure of a conditioning tank;

FIG. 9 is a schematic view of the structure of the grid and the guide hopper in the regulating reservoir;

FIG. 10 is a schematic view of the structure of the present application with a catch wall;

FIG. 11 is a first schematic view of the structure of the belt guide frame;

fig. 12 is a schematic view of another angle structure with a diversion frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A full-automatic road cleaning system comprises a water collecting device, a water treatment device and a water supply device, wherein the water collecting device and the water treatment device are sequentially connected and are used for collecting surface rain sewage; the water collecting device comprises a rainwater collecting well 1 connected with the water treatment device through a water delivery pipe; the water treatment equipment comprises a first filtering tank 2, an adjusting tank 3 and a sewage purification device 4, wherein the first filtering tank 2, the adjusting tank 3 and the sewage purification device are arranged on an underground pipe gallery and are sequentially connected through a water conveying pipe, and the sewage purification device is used for treating sewage into reclaimed water at least; the water supply equipment comprises a reservoir 5 connected with the sewage purification device through a water pipe, and a spray head 6 which is supplied with water by the reservoir and is positioned on the ground; the water supply source of the water treatment equipment further comprises a municipal sewage pipeline 7, and the spray heads are arranged beside the road and/or on two sides of the green belt.

The rainwater collecting well comprises a well cover with filtering holes, a well positioned below the well cover and a well bottom surface 11 positioned at the bottom and at the periphery and connected with the wall of the well through an inclined flow guide surface 12, a water outlet connected with a water pipe is arranged in the center of the well bottom surface, and a filtering grid structure used for passing water and blocking objects is arranged on the water outlet.

Example two:

different from the above embodiment, a funnel-shaped flow guide installation section 113 with gradually increased caliber is arranged along the drain port, and the filter grid structure comprises a support frame 111 vertically arranged on the flow guide installation section and a conical filter screen 112 surrounding the support frame;

a plurality of mounting grooves 1131 are radially formed in the flow guide mounting section and on the same center of the water outlet, the support frame comprises a plurality of frame claws 114 which are gathered together and connected with each other and are scattered downwards, and the bottom ends of the frame claws are inserted into the mounting grooves;

well bottom surface or water conservancy diversion installation section have seted up a circle groove with the juncture of well bottom surface, the embedding of filter screen bottom the circle inslot, just the outside cell wall of keeping away from at least the outlet center in circle groove be with the slope cell wall that leans out from top to bottom of filter screen adaptation, correspond in the both sides cell wall of mounting groove and set up sunken anticreep caulking groove 115, frame claw bottom is equipped with fillet 1151 bellied and anticreep caulking groove adaptation.

Example three:

different from the embodiment, the difference between the inner diameter and the outer diameter of the projection of the flow guide installation section on the horizontal plane is at least 1/3 of the difference between the inner diameter and the outer diameter of the projection of the well bottom surface on the horizontal plane;

the outer side of each frame claw is provided with an outer claw part 116 erected on the bottom surface of the well, and each filter screen comprises a plurality of single screens arranged between the outer side edges of the adjacent outer claw parts;

the filter screen outside still set firmly the round middle part and sink to be the clear thing of curved thing groove of holding and strain circle 1162, clear thing strain circle inboard with the filter screen links firmly, the outside paste lean on in the domatic of water conservancy diversion installation section, the support frame top is stretched out the filter screen is equipped with and is used for pulling out the portion 117 of carrying together with clear thing strain circle of straining of filter screen structure, the outer edge of clear thing strain circle and interior correspond between following outer claw still is connected with straight connecting rod 118, just straight connecting rod with outer claw portion links firmly, the outer edge of clear thing strain circle is less than interior edge.

The inside of the outer claw part is provided with a groove rail 1161 which runs through the plate surface of the outer claw part and faces the opening of the side end surface of the center of the water outlet, the outer side of the frame claw between the frame claws is fixedly connected with a circle of rail ring 1141 which is embedded into the groove rail and can enable the groove to rotate along the groove rail, and the lifting part is fixedly connected to the outer claw part.

Example three:

different from the above embodiment, the first filtering tank includes a filtering tank body 21, a grid frame 22 obliquely erected in the tank body, a material guide bucket 24 located at the bottom end of the grid frame, a liquid delivery pipe 25 extending into the filtering tank body from the tank wall at one side of the material guide bucket, and having a front end exceeding the material guide bucket and suspended above the grid frame, wherein the bottom of the grid frame is partially overlapped with the upper surface of the material guide bucket, and a push-pull assembly capable of enabling the material guide bucket to reciprocate and shaking sundries into the material guide bucket is further arranged in the filtering tank body.

The push-pull assembly comprises inclined guide rails which are fixedly arranged on the filtering tank body and are positioned on two sides of a grid frame, a reciprocating rod 26 which is connected to the top of the grid frame and is used for lifting the grid frame, a limiting part 27 for preventing the grid frame from falling off is arranged at the upper end of each inclined guide rail, and a buffer spring 28 is further arranged between the limiting part and the grid frame;

the limiting part and the grid frame are respectively provided with a casing pipe 281 which is mutually sleeved to form a casing cavity, the buffer spring is arranged in the casing cavity, and the casing pipe on the limiting part is sleeved outside the casing pipe on the grid frame;

the inclined guide rail extends to the upper surface of the object guide hopper and is fixedly connected with the object guide hopper, and the top end of the object guide hopper is higher than the water outlet of the filtering tank body. The upper ends of the inclined guide rails penetrate out of the upper end of the filtering tank body, the inclined guide rails on two sides of the grid frame are fixedly connected with the tank wall of the filtering tank body where the grid frame is located, and the liquid delivery pipe is downwards inclined and suspended above the middle part of the grid frame along the water flow delivery direction.

Example four:

different from the above embodiments in

Two sides of the object guide hopper are provided with water retaining hopper walls 241 extending upwards, and the water retaining hopper walls are fixedly connected with the pool wall where the object guide hopper is located in a sealing mode.

The water retaining bucket wall is convenient for separate the guide bucket from water filtered by the grid in the filter tank body, can improve the water collecting efficiency and is beneficial to solid-liquid separation.

Example five:

different from the above embodiment, a diversion frame 8 is further erected above the grid plate, and the diversion frame comprises frame rods 81 fixedly arranged on the inclined guide rail, and a plurality of diversion plates 82 with two ends respectively hinged between the frame rods.

The guide plates are connected through connecting rods 83 penetrating through the bottoms of all the guide plates, and the upper ends of the connecting rods are connected with the upper ends of the grid frames. And the hole that the guide plate is used for passing the connecting rod is a word hole to the connecting rod can remove in a word hole in the guide plate rotation process, thereby guarantees that the guide plate rotates smoothly.

When the unoperated state of reciprocating lever, the leading-in direction downward sloping is sent along water to the guide plate gradually to guarantee that water is led on the grid and difficult bounce-back gets into and leads the thing fill, and guarantee the certain distance between guide plate and the grid, thereby guarantee that solid debris is difficult for the card between guide plate and grid, when reciprocating lever motion, drive the inboard that the guide plate is close to the grid and around the pin joint swing, down catch up with debris and down shake along with reciprocating of grid simultaneously down, shake down in leading the thing fill.

Example six:

the difference from the above embodiment lies in that the sewage purification device comprises an anaerobic reactor, an anoxic reactor, an aerobic reactor, a secondary sedimentation tank and a second filtering tank which are arranged in sequence.

The spray heads are arranged on the brackets 8 at two sides of the road and/or two sides of the green belt, the spray heads are connected with the water delivery pipes through hoses, and the brackets are provided with tracks for the spray heads to reciprocate along the traveling direction of the road.

Still set firmly the fixed point shower nozzle 9 that is used for irrigating the plant in the greenbelt, clean system still includes controller 81, and what be connected with the controller is used for sending the water of cistern to the high pressure water pump of shower nozzle, with the sewage pump of first filtering ponds, connect the suction pump between equalizing basin and sewage purification equipment of sewage pump in the municipal sewage pipeline.

The cleaning system further comprises a temperature sensing device 10 and an infrared sensing device 101 which are arranged at least on one side of the road.

The closest prior art of the technology of the invention is an urban road automatic cleaning device, and the structure of the product comprises: high pressure water pump, conduit pipe, shower nozzle, drain, blow off pipe and cistern etc.. The working principle is that water in the reservoir is delivered to the spray heads through the water delivery pipe by the high-pressure water pump, the road surface is sprayed and cleaned through the spray heads, dirt such as dust on the road surface is flushed to the road side drain outlet and is discharged into the reservoir through the drain pipe, the purpose of cleaning the road surface is achieved, and the road surface is kept clean, tidy and pollution-free. The cleaning water mainly collects rainwater on the road surface, and other water sources are supplemented and can be recycled. The prior art has the defects that rainwater is relatively dirty without being purified, rainwater resources in northern China are few, the water demand of the device cannot be well met, urban sewage cannot be well utilized, full-automatic cleaning cannot be realized, manual operation is required, and vehicles and pedestrians can be influenced.

The sewage purification device comprises the following equipment and steps:

1. sewage enters the tank from the adjusting tank:

the tank mainly comprises an anaerobic reactor, a anoxic reactor and an aerobic reactor, namely an aeration tank, and has the following main functions:

1) An anaerobic reactor, wherein raw sewage and phosphorus-containing return sludge discharged from a sedimentation tank synchronously enter the reactor, and the reactor has the main functions of releasing phosphorus and ammoniating part of organic matters;

2) In the anoxic reactor, sewage enters the anaerobic reactor through the anaerobic reactor, the primary function of the anoxic reactor is denitrification, nitrate nitrogen is sent from the aerobic reactor through internal circulation, and the amount of circulating mixed liquid is large, generally 2Q (Q-amount of raw sewage);

3) The aerobic reactor-aeration tank has multiple functions, the BOD removal, nitrification and phosphorus absorption are all carried out in the reactor, the three reactions are all important, the mixed liquor contains NO3-N, the sludge contains excessive phosphorus, the BOD (or COD) in the sewage is removed, and the mixed liquor with the flow rate of 2Q flows back to the anoxic reactor from the reactor;

2. the sewage is reacted in a tank and then passes through a secondary sedimentation tank:

the secondary sedimentation tank has the following functions: and (3) separating mud and water, wherein a part of the sludge flows back to the anaerobic reactor, and the supernatant is discharged as treated water.

3. The sludge and the supernatant after passing through the secondary sedimentation tank are respectively treated as follows:

3.1, and the rest sludge enters a sludge concentration tank:

the sludge concentration tank adopts a centrifugal concentration method.

The sludge concentration tank has the following functions: in a specially manufactured centrifugal concentrator. The sludge is separated from the mud water by utilizing the different solid-liquid specific weights and different centrifugal tendencies in the sludge so as to achieve the purpose of concentration. And the concentrated sludge is compacted into a sludge cake, and is manually and periodically transported out.

3.2, the supernatant after the treatment of the secondary sedimentation tank enters a sand filter:

the sand filter adopts a pressure filter taking quartz sand as a filter material.

The sand filter tank has the following functions: in the sewage treatment, the method belongs to physical treatment, removes large-particle substances in water, and can remove a small part of COD (chemical oxygen demand).

4. And (3) entering an adsorption tank after passing through a sand filter:

the adsorption tank adopts activated carbon for adsorption.

The function of the activated carbon adsorption tank is as follows: removing odor in water, removing impurities in water, and decolorizing.

5. The sewage enters a clear water storage pool after passing through an active carbon adsorption pool.

6. The treated water after entering the clear water storage tank has the following two purposes:

6.1, the device is used for backwashing the sand filter.

6.2, the water-saving agent is applied to a road cleaning device and used for cleaning the road surface and irrigating green belts.

Claims

1. A full-automatic road cleaning system is characterized in that: comprises a water collecting device, a water treatment device and a water supply device, wherein the water collecting device and the water treatment device are sequentially connected and are used for collecting surface rain sewage; the water collecting device comprises a rainwater collecting well (1) connected with the water treatment device through a water conveying pipe; the water treatment equipment comprises a first filtering tank (2) which is arranged on an underground pipe gallery and is provided with a grid, a regulating tank (3) and a sewage purification device (4) which is used for treating sewage into reclaimed water at least, wherein the first filtering tank (2) and the regulating tank are sequentially connected through a water conveying pipe (100); the water supply equipment comprises a reservoir (5) connected with the sewage purification device through a water pipe, and a spray head (6) which is supplied with water by the reservoir and is positioned on the ground; the water supply source of the water treatment equipment also comprises a municipal sewage pipeline (7), and the spray heads are arranged beside the road and/or at two sides of the green belt;

the rainwater collecting well comprises a well cover with filtering holes, a well way positioned below the well cover and a well bottom surface (11) positioned at the bottom and connected with the wall of the well way along the periphery through an inclined flow guide surface (12), the center of the well bottom surface is provided with a water outlet connected with a water pipe, and the water outlet is provided with a filtering grid structure for passing water and blocking objects;

the drain port edge is provided with a bucket-shaped flow guide installation section (113) with the caliber gradually increased from bottom to top, and the filter screen structure comprises a support frame (111) vertically arranged on the flow guide installation section and a conical filter screen (112) arranged on the support frame in a surrounding manner;

a plurality of mounting grooves (1131) are radially formed in the flow guide mounting section and the water outlet in the same center, the support frame comprises a plurality of frame claws (114) which are gathered together and connected with each other and are scattered downwards, and the bottom ends of the frame claws are inserted into the mounting grooves;

a circle of groove is formed at the junction of the well bottom surface or the diversion installation section and the well bottom surface, the bottom end of the filter screen is embedded into the circle of groove, at least the outer side groove wall of the circle of groove far away from the center of the water outlet is an inclined groove wall which is matched with the filter screen and inclines outwards from top to bottom, sunken anti-falling embedding grooves (115) are correspondingly formed in the groove walls at the two sides of the installation groove, and a raised fillet (1151) matched with the anti-falling embedding grooves is arranged at the bottom of the frame claw;

the spray heads are arranged on the brackets (8) on two sides of the road and/or two sides of the green belt, the spray heads are connected with the water delivery pipes through hoses (82), and the brackets are provided with tracks for the spray heads to move back and forth along the road advancing direction.

2. The fully automatic road cleaning system of claim 1, wherein: the inclined angle between the well bottom surface and the horizontal plane is smaller than that of the inclined flow guide surface, and the difference between the inner diameter and the outer diameter of the projection of the flow guide installation section on the horizontal plane is at least 1/3 of the difference between the inner diameter and the outer diameter of the projection of the well bottom surface on the horizontal plane;

the outer side of each frame claw is provided with an outer claw part (116) erected on the bottom surface of the well, and each filter screen comprises a plurality of single screens arranged between the outer side edges of the adjacent outer claw parts;

the filter screen outer side still set firmly the clear thing of a circle middle part sinking and is curved and hold thing groove and strain circle (1162), clear thing strain circle inboard with the filter screen links firmly, the outside paste on lean on the domatic of water conservancy diversion installation section, the support frame top stretches out the filter screen is equipped with and is used for pulling out the filter screen structure together with clear thing strain circle and carry portion (117), it still is connected with straight connecting rod (118) to correspond between the outer edge of clear thing strain circle and the interior edge outer claw portion, and straight connecting rod with outer claw portion links firmly, the outer edge of clear thing strain circle is less than interior edge, outer claw portion inboard is opened and is link up outer claw portion face and towards the open-ended grooved rail of side end at outlet center (1161), it has linked firmly the round to imbed the grooved rail and can make grooved rail along its pivoted rail circle (1141) to lie in the frame claw outside between the frame claw, carry portion link firmly in outer claw portion.

3. The fully automatic road cleaning system of claim 1, wherein: the first filtering tank comprises a filtering tank body (21), a grid frame (22) obliquely erected in the tank body, a material guide hopper (24) positioned at the bottom end of the grid frame, a liquid delivery pipe (25) extending into the filtering tank body from the tank wall on one side where the material guide hopper is positioned and having the front end exceeding the material guide hopper and suspended above the grid frame, the bottom of the grid frame is partially overlapped with the upper surface of the material guide hopper, and a push-pull assembly capable of enabling the material guide hopper to reciprocate and shaking sundries into the material guide hopper is further arranged in the filtering tank body.

4. A fully automatic road cleaning system according to claim 3, characterized in that: the push-pull assembly comprises inclined guide rails (212) which are fixedly arranged on the filtering tank body and are positioned on two sides of the grid frame, a reciprocating rod (26) which is connected to the top of the grid frame and is used for lifting the grid frame, a limiting part (27) for preventing the grid frame from falling off is arranged at the upper end of each inclined guide rail, and a buffer spring (28) is arranged between each limiting part and the grid frame;

the limiting part and the grid frame are respectively provided with a casing pipe (281) which is sleeved with each other to form a casing cavity, the buffer spring is arranged in the casing cavity, and the casing pipe on the limiting part is sleeved outside the casing pipe on the grid frame;

5. The fully automatic road cleaning system of claim 1, wherein: the sewage purification device comprises an anaerobic reactor, an anoxic reactor, an aerobic reactor, a secondary sedimentation tank and a second filtering tank which are arranged in sequence.

6. The fully automatic road cleaning system of claim 1, wherein: still set firmly fixed point shower nozzle (9) that are used for irrigating the plant in the greenbelt, clean system still includes controller (81), is used for sending the water of cistern to the high pressure water pump of shower nozzle, with the suction pump of sewage pump to first filtering ponds in the municipal sewage pipeline, connect the suction pump between equalizing basin and sewage purification device with being connected with the controller.

7. The fully automatic road cleaning system of claim 6, wherein: the cleaning system also comprises a temperature sensing device (10) and an infrared sensing device (101) which are at least arranged on one side of the road.