CN115059158A

CN115059158A - Urban old road rainwater and sewage pipe network transformation system and method thereof

Info

Publication number: CN115059158A
Application number: CN202210879751.XA
Authority: CN
Inventors: 刘玉峰; 万晓锐; 吴静
Original assignee: Hefei Haibo Engineering Design Group Co ltd
Current assignee: Hefei Haibo Engineering Design Group Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-09-16

Abstract

The invention discloses a rain and sewage pipe network transformation system and a rain and sewage pipe network transformation method for an old city road, and relates to the technical field of rain and sewage pipe network transformation, wherein the rain and sewage pipe network transformation system comprises a sidewalk, a green belt, a water drainage tank, water drainage covers, reinforcing columns, a well cover and a sewage treatment plant, the reinforcing columns are uniformly arranged on two sides of the sidewalk, the water drainage tank is arranged in the reinforcing columns, the water drainage tank is arranged at the top of the water drainage tank, the well groove is arranged at the top of the sidewalk, the well cover is arranged at the top of the well groove, and a water storage mechanism is arranged at the bottom of the green belt on two sides of the well cover; according to the invention, the box body and the auxiliary box are embedded at the bottom of the green belt, so that the drainage capacity of the whole drainage tank is improved, when a drainage pipe connected with one end of the whole drainage tank is blocked, the whole drainage tank can drain water into the box body or the auxiliary box through the connecting pipe, the drainage capacity of the whole drainage tank in a heavy rain environment is improved, and the problem that the traditional pavement drainage cover cannot drain water to cause serious pavement water accumulation is solved.

Description

Urban old road rainwater and sewage pipe network transformation system and method thereof

Technical Field

The invention relates to the technical field of rain and sewage pipe network transformation, in particular to a system and a method for transforming a rain and sewage pipe network of an old urban road.

Background

In recent years, with the occurrence frequency of extreme weather becoming more and more frequent, storm attacks are frequently encountered, urban roads are flooded, traffic trips are blocked, people's lives are greatly affected, storm ponding threatens the safety and development of cities, the fragility of the cities is revealed, and great social attention is attracted;

the method is particularly important for the reconstruction of the rain and sewage pipe network of the old urban road, because the aging and siltation of the pipelines at the two sides of the old urban road are serious, the condition that desilting cannot be performed exists, the pipelines at partial remote road sections are subjected to unmanned tour cleaning management for a long time, siltation is formed in the long-time pipes, meanwhile, the road surface of the old urban road instant rain inlet is heightened due to annual road maintenance, the instant cross section is reduced, the water receiving capacity is influenced, the rain inlet is easily blocked by sundries such as fallen leaves and branches during rainstorm, the water receiving capacity is influenced, the serious water accumulation phenomenon easily occurs in partial road sections after heavy rainfall, and finally, the water resource cannot be fully utilized by the reconstruction of the rain and sewage pipe network of the old urban road;

therefore, a system and a method for transforming the urban old road rain and sewage pipe network are provided.

Disclosure of Invention

The invention aims to provide a system and a method for transforming a rainwater and sewage pipe network of an old urban road, which are used for solving the problems in the background art that:

1. the problem of low water collection rate at the lower water cover is solved by widening the lower water cover and communicating a lower water opening at one side of the side brick with the lower water tank;

2. the box body and the auxiliary box are embedded at the bottom of the green belt, and the whole water drainage tank is communicated with the box body and the auxiliary box, so that the problem that the drainage pipe at the bottom of the water drainage cover is blocked, and the serious water accumulation on the road surface is easily caused is solved;

3. rainwater is collected during rainfall through the box body and the auxiliary box and stored, and when the weather is fine, the air pump presses the water in the whole box body into the water outlet pipe, so that the problem of waste of partial water resources is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a rain sewage pipe network transformation system for an old urban road comprises a sidewalk, a green belt, a water discharge tank, a water discharge cover, reinforcing columns, a well cover and a sewage treatment plant, wherein the reinforcing columns are uniformly installed on two sides of the sidewalk, the water discharge tank is arranged in the reinforcing columns, the water discharge cover is installed at the top of the water discharge tank, a well groove is formed in the top of the sidewalk, the well cover is installed at the top of the well groove, and a water storage mechanism is installed at the bottom of the green belt on two sides of the well cover;

the water storage mechanism comprises a box body, an air inlet and water discharge shell, a water outlet, a sealing floating ball, a first air inlet pipe, a second air inlet pipe, a water outlet pipe, a sewage inlet pipe and an irrigation spray head, the box body is arranged at the bottom of a green belt at two sides of the well cover, an air inlet drainage shell is fixed on the inner wall of the bottom of the box body through bolts, a water inlet is arranged at the top of one side of the air inlet drainage shell, and a sealing floating ball is arranged in the air inlet and water outlet shell positioned at one side of the water inlet, the top of one side of one air inlet and water outlet shell is communicated with a first air inlet pipe, and the top of one side of the other air inlet and water outlet shell is communicated with a second air inlet pipe, the bottom of the air inlet and water outlet shell at one side of the first air inlet pipe is communicated with a sewage inlet pipe, the bottom of the air inlet and water outlet shell at one side of the second air inlet pipe is communicated with a water outlet pipe, and the top of the box body at one end of the water outlet pipe extends to the top of the green belt, and one side of the water outlet pipe at the top of the green belt is uniformly provided with irrigation nozzles.

Furthermore, the top of greenbelt is installed and is placed the case, and is located to place the incasement and has the air pump through the bolt fastening, the one end of first intake pipe and second intake pipe runs through box, greenbelt and places one side of case and is linked together with the gas outlet of air pump, the control valve is installed to the one end that first intake pipe and second intake pipe are located to place the incasement.

Furthermore, the two sides of the lower water cover and the bottom of the green belt are provided with auxiliary tanks, the opposite surfaces of the two auxiliary tanks are communicated through a communicating pipe, and one side of one auxiliary tank is communicated with one side of the box body through a communicating pipe.

Further, install the blowdown branch pipe in the lower trough, and the bottom intercommunication that is located the lower trough has the drain pipe, the well pit has been seted up to the bottom of well lid, and is located the well pit and installs the blowdown and be responsible for, the one end that the blowdown was responsible for is linked together with sewage treatment plant, one side intercommunication of sewage treatment plant has the cylinder manifold, the one end and the blowdown of blowdown branch pipe are responsible for and are linked together, the one end of advancing the dirty pipe is linked together with one side that the blowdown was responsible for, the check valve is installed to the one end that advances the dirty pipe to be located the well pit.

Furthermore, side bricks are uniformly laid on two sides of the sidewalk, a water outlet is uniformly formed in one side of each side brick, and one side of the water outlet is communicated with one side of the water outlet groove.

The implementation method of the urban old road rainwater and sewage pipe network transformation system comprises the following steps:

s1: widening a rainwater inlet and improving intermittent linear drainage;

the side bricks at the whole drainage cover are turned out, the side bricks with the drainage openings are replaced at the same time, the whole drainage cover is opened during installation, and the wall of the drainage groove at one side of the side bricks is grooved, so that the whole drainage groove is communicated with the drainage openings on the side bricks, the drainage quantity at the whole drainage cover is increased, and during rainstorm is prevented, the whole drainage cover is blocked by sundries such as leaves, branches and the like, and water is collected only by the drainage cover, so that water accumulation on the road surface is easily caused;

the whole section of the drainage cover which is easy to accumulate water on the road surface is widened, the road surface is heightened due to year-by-year maintenance of the road, the actual water collecting area of the drainage cover is reduced, the drainage cover on the original sidewalk is removed, and meanwhile, a group of drainage covers are additionally arranged at the original drainage groove, so that the water collecting capacity of the whole drainage cover is improved;

s2: excavating a road green belt and installing a reservoir;

the box bodies are arranged at the bottoms of the green belts on two sides of the whole sidewalk, so that the pipeline discharge at the bottoms of the green belts on two sides of the whole road is realized, the whole buried pipeline is prevented from being broken during excavation, meanwhile, the auxiliary boxes are arranged at the bottoms of the green belts on one side of the corresponding lower water trough according to the arrangement of the green belts in the old city, and the auxiliary boxes are connected in series;

for the installation of the whole box body, the whole pipeline gathering road section is known in advance, the actual condition of a well groove at the bottom of a well cover on the road section is known, a group of well grooves which are easy to install and have small influence on the surrounding environment are selected for operation, a green belt on one side of the whole well groove is excavated, the whole box body is put in, a first air inlet pipe and a second air inlet pipe which are prepared in advance in the whole placing groove are taken out and are correspondingly connected with two air inlet and drainage shells in the box body, relevant marks are pasted on the first air inlet pipe and the second air inlet pipe in the placing box body, and a water outlet pipe extending out of the box body is put on one side;

s3: installing and testing new and old pipelines;

starting debugging the internal parts of the whole box body, manually pouring part of water into the box body, submerging an air inlet and drainage shell in the whole box body, starting an air pump in the whole placing box, and in an initial state, controlling valves on a first air inlet pipe and a second air inlet pipe are in a closed state;

when irrigation detection is needed, the control valve on the first air inlet pipe is closed, the control valve on the second air inlet pipe is opened, whether the irrigation spray head on the whole water outlet pipe discharges water is observed, after all the parts are normal, the communicating pipe on the auxiliary tank is communicated with one side of the tank body, the sewage inlet pipe extends into the well groove, the connecting pipe is communicated with one side of the lower water tank, and one end of the connecting pipe extends to one side of the tank body;

after debugging, begin burying of soil, extend whole outlet pipe to whole greenbelt top simultaneously, will wholly place the case and fix to the greenbelt at last.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the widening of the drainage cover and the communication between the drainage port at one side of the side brick and the drainage tank improve the water collecting capacity of the whole drainage cover, so that the problem that when rainstorm occurs, the whole drainage cover is blocked by sundries such as leaves, branches and the like, and water is collected only by the drainage cover, so that water accumulated on the road surface is easily caused is avoided;

2. according to the invention, the box body and the auxiliary box are embedded at the bottom of the green belt, and the whole drainage tank is communicated with the box body and the auxiliary box, so that the drainage capacity of the whole drainage tank is improved;

3. according to the invention, the air pump in the storage box is used for pressurizing the air inlet and water outlet shell in the box body, so that water in the whole box body is discharged into the main sewage discharge pipe through the communicating pipe, and finally discharged into the sewage treatment plant through the main sewage discharge pipe, and finally discharged into a river through the collecting pipe, so that the problem of road surface water accumulation is easily caused when the water is discharged only by the water discharge pipe during heavy rainfall;

4. in the invention, rainwater collected during rainfall is stored through the box body and the auxiliary box, and when the weather is fine, the air pump presses the water in the whole box body into the water outlet pipe, and then the irrigation spray heads arranged on the water outlet pipe spray the water onto plants on a green belt to irrigate the green belt, thereby avoiding the waste of water resources.

Drawings

FIG. 1 is a schematic view of the connection of the whole structure of an urban old road rain and sewage pipe network reconstruction system according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a main view of the connection between the water storage mechanism and the auxiliary tank;

FIG. 3 is a schematic diagram of a piping connection in plan view of a well casing according to the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of a sink according to the present invention;

fig. 5 is a flow chart of a method for modifying a rain and sewage pipe network of an old city road according to the present invention.

In the figure: 1. a sidewalk; 2. a green belt; 3. side bricks; 4. a drain cover; 5. a reinforcement column; 6. a sewage branch pipe; 7. a drain pipe; 8. a well slot; 9. a main sewage discharge pipe; 10. a well cover; 11. a sewage treatment plant; 12. a collector pipe; 13. a water storage mechanism; 131. a box body; 132. an air intake and water discharge shell; 133. a water inlet; 134. sealing the floating ball; 135. a first intake pipe; 136. a second intake pipe; 137. a water outlet pipe; 138. a sewage inlet pipe; 139. watering the spray head; 14. a connecting pipe; 15. placing a box; 16. an air pump; 17. a control valve; 18. a communicating pipe; 19. a one-way valve; 20. a water discharging tank; 21. a water outlet; 22. and a sub-tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

example 1:

as shown in fig. 1, the rainwater pipeline is mostly located on a motor vehicle lane or a sidewalk 1, if the influence on traffic is large, how to select the pipe position of the newly-built rainwater pipeline becomes the most important, the newly-built rainwater pipeline is mostly located under green belts 2 at two sides, for road sections which cannot be implemented by individual green belts 2, measures such as traffic diversion, pipe-jacking construction and the like are adopted, the influence on the traveling of residents is avoided as much as possible, and meanwhile, the arrangement of pipelines at the bottom of the green belts 2 in old cities is known as much as possible through a municipal planning before construction, so that the modification progress of the rainwater and sewage pipe network of the old roads in the whole city is prevented from being influenced due to the damage of partial pipelines in the excavation process;

during the specific operation, the water drainage groove 20 and the side bricks 3 at the two sides of the pedestrian path 1 are firstly preliminarily reformed, the reforming is focused on the sections with easy water accumulation on the road surface during rainfall, the side bricks 3 at the whole water drainage cover 4 are tilted out, meanwhile, the side brick 3 with the drainage port 21 is replaced, the whole drainage cover 4 is opened during installation, the wall of the drainage groove 20 at one side of the side brick 3 is grooved, the whole lower water trough 20 is communicated with the lower water opening 21 on the side brick 3, the drainage quantity of the whole lower water cover 4 is increased, and when rainstorm is prevented, the whole lower water cover 4 is blocked by sundries such as leaves, branches and the like, and accumulated water on the road surface is easily caused only by collecting water of the lower water cover 4, for the road section which is easy to accumulate water on the road surface, the original one group of the water discharge covers 4 is changed into two groups, and the cross section area of the whole reinforcing column 5 is increased, so that the caliber of a water discharge groove 20 on the whole reinforcing column 5 is increased, and the water discharge is further improved;

the drain pipe 7 connected to the bottom of the whole sewage tank 20 is subjected to decontamination operation, the other end of the whole drain pipe 7 usually extends to a river, after heavy rainfall, the water level of the whole river rises, river water is easy to flow backward into the drain pipe 7, and when the rainfall is finished, the whole drain pipe 7 is easily blocked by sludge and algae, so that when the pipeline is reconstructed, the sewage is further passed through the existing pipeline;

example 2:

the water storage equipment around the water drainage channel 20 is expanded, so that the fault tolerance rate of the whole old road during rainfall is increased, even if the whole water drainage pipe 7 is blocked, large-scale water accumulation on the road surface of the whole old road cannot occur immediately, normal passing of pedestrians and vehicles is influenced, meanwhile, the water drainage pipe 7 and a sewage discharge pipe in the whole old road have a communication problem, and when rainfall is prevented, the whole rainwater with sewage flows out from the water drainage cover 4, so that urban inland inundation is aggravated, serious pollution is further caused to inland river water bodies, and therefore, the installation of the whole water storage equipment is particularly important;

during specific operation, a whole pipeline gathering road section is known in advance, the actual conditions of well grooves 8 at the bottoms of well covers 10 on the road section are known, a group of well grooves 8 which are easy to install and have small influence on the surrounding environment are selected for operation, green belts 2 on one sides of the whole well grooves 8 are excavated, boxes 131 are installed at the bottoms of the green belts 2 on two sides of a whole sidewalk 1, pipelines at the bottoms of the green belts 2 on two sides of the whole road are known in advance to be discharged, the whole buried pipelines are prevented from being broken when the greenbelts are excavated, meanwhile, auxiliary boxes 22 are installed at the bottoms of the green belts 2 on one sides of corresponding lower water grooves 20 according to the arrangement of the green belts 2 in old cities, and the auxiliary boxes 22 are connected in series through communicating pipes 18, so that when rainfall occurs, the auxiliary boxes 22 continuously convey rainwater in the boxes 131 through the communicating pipes 18;

the box body 131 in the whole water storage mechanism 13 is close to the well groove 8, and meanwhile, the sewage inlet pipe 138 connected to one side of the box body 131 is required to be communicated with the main sewage discharge pipe 9 in the well groove 8, so that in order to prevent sewage in the whole main sewage discharge pipe 9 from entering the sewage inlet pipe 138, the check valve 19 is installed at the joint of the whole sewage inlet pipe 138 and the main sewage discharge pipe 9, as shown in fig. 3, the whole check valve 19 is positioned in the well groove 8, and the maintenance of later-period workers is facilitated;

the whole sewage main pipe 9 is connected with a local sewage treatment plant 11, the whole sewage treatment plant 11 purifies sewage and then discharges the sewage into a river through a collecting pipe 12, so that environmental pollution is avoided, a sewage branch pipe 6 in the whole city is independently communicated with the sewage main pipe 9, a sewage inlet pipe 138 positioned on one side of a box body 131 discharges part of rainwater into the sewage main pipe 9, so that the amount of water entering the sewage treatment plant 11 is increased, and the whole sewage treatment plant 11 is required to properly amplify the water storage capacity of a sewage pool;

as shown in fig. 1, a placing box 15 is installed at the top of the whole green belt 2, a box body 131 is embedded under the green belt 2 at the bottom of the whole placing box 15, the structure of the whole box body 131 is as shown in fig. 2, an air inlet and water outlet shell 132 is symmetrically installed in the whole box body 131, the whole air inlet and water outlet shell 132 is divided into a left pipeline and a right pipeline, a water inlet 133 for water inlet is formed at the top of the pipeline at one side, one end of the pipeline at the other side is respectively communicated with a first air inlet pipe 135 and a second air inlet pipe 136, one side of the box body 131 is connected with a sink 20 through a connecting pipe 14, when the whole sink 20 is in a strong rainfall stage, the water level continuously rises, at this time, water flows into the box body 131 through the connecting pipe 14 on the side wall of the sink 20, meanwhile, the accumulated water facing different positions on the old road is different, and part of the rainwater can flow to the box body 131 along the connecting pipe 18 on one side of the auxiliary box 22;

when the liquid in the whole box body 131 continuously rises and the water level is flush with the water inlet 133 at one side of the air inlet and water outlet shell 132, rainwater enters the air inlet and water outlet shell 132, the sealing floating ball 134 is installed in the air inlet and water outlet shell 132 at one side of the whole water inlet 133, the whole sealing floating ball 134 continuously rises along with the rise of the water level until the whole water inlet 133 is blocked, the air pump 16 in the placing box 15 starts to work at the moment, one side of one air inlet and water outlet shell 132 is communicated with the sewage inlet pipe 138, the air inlet and water outlet shell 132 at the other side is connected with the water outlet pipe 137, when raining, the control valve 17 on the first air inlet pipe 135 in the placing box 15 is opened, high-pressure air enters the air inlet and water outlet shell 132, rainwater in the air inlet and water outlet shell 132 is continuously pressed into the sewage inlet pipe 138 through air pressure, and finally enters the main sewage discharge pipe 9 through the sewage inlet pipe 138, when rainwater in the whole air inlet and water outlet shell 132 is emptied, at this time, the air pump 16 stops working, rainwater in the box body 131 flows backward into the air inlet and water outlet shell 132 again, the air pump 16 works again, and the rainwater in the box body 131 is continuously discharged into the main sewage discharge pipe 9, so that another drainage route of the rainwater is realized except for the water discharge pipe 7, the rainwater in the whole sewer tank 20 cannot overflow the sidewalk 1, and the problem of water accumulation on the road surface cannot be caused;

example 3:

another group of air inlet and water outlet shells 132 arranged in the whole box body 131 play a role in irrigating plants at the top of the green belt 2, when in specific operation, one side of one group of air inlet and water outlet shells 132 in the whole box body 131 is connected with a water outlet pipe 137, the whole water outlet pipe 137 penetrates through the box body 131 and soil and is tiled on the green belt 2, and irrigation spray heads 139 are uniformly arranged on the water outlet pipe 137 positioned on the top green belt 2;

in rainy days, a certain amount of rainwater is stored in the whole box body 131 and the auxiliary box 22, when a fine day comes, a sanitation worker closes the control valve 17 on the first air inlet pipe 135 in the placing box 15, opens the control valve 17 on the second air inlet pipe 136, starts the whole air pump 16, and continuously extrudes the rainwater in the air inlet and drainage shell 132 by high-pressure air, and the whole rainwater comes onto the green belt 2 along the water outlet pipe 137 and is sprayed out by the irrigation sprayer 139 to irrigate plants planted on the green belt 2, so that the rainwater is fully utilized.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a rain sewage pipe network transformation system of old way in city, includes pavement (1), greenbelt (2), launching tank (20), lower basin lid (4), reinforcement post (5), well lid (10) and sewage treatment plant (11), reinforcement post (5) are evenly installed to the both sides of pavement (1), and lie in and set up basin (20) down in reinforcement post (5), lower basin lid (4), its characterized in that are installed to the top of basin (20) down: a well groove (8) is formed in the top of the sidewalk (1), a well cover (10) is installed on the top of the well groove (8), and water storage mechanisms (13) are installed at the bottoms of the green belts (2) on the two sides of the well cover (10);

the water storage mechanism (13) comprises a box body (131), air inlet and drainage shells (132), a water outlet, a sealing floating ball (134), a first air inlet pipe (135), a second air inlet pipe (136), a water outlet pipe (137), a sewage inlet pipe (138) and an irrigation spray head (139), wherein the box body (131) is installed at the bottom of the green belt (2) at two sides of the well cover (10), the air inlet and drainage shells (132) are fixed on the inner wall of the bottom of the box body (131) through bolts, a water inlet (133) is formed in the top of one side of each air inlet and drainage shell (132), the sealing floating ball (134) is installed in the air inlet and drainage shell (132) at one side of the water inlet (133), the top of one side of one air inlet and drainage shell (132) is communicated with the first air inlet pipe (135), the top of the other side of the air inlet and drainage shell (132) is communicated with the second air inlet pipe (136), the bottom of the air inlet and drainage shell (132) at one side of the first air inlet pipe (135) is communicated with the sewage inlet pipe (138), the bottom of the air inlet and water outlet shell (132) on one side of the second air inlet pipe (136) is communicated with a water outlet pipe (137), the bottom of the air inlet and water outlet shell is positioned at the top of one end box body (131) of the water outlet pipe (137) and extends to the top of the green belt (2), and irrigation nozzles (139) are uniformly installed on one side of the water outlet pipe (137) positioned at the top of the green belt (2).

2. The system of claim 1, wherein the system comprises: the top of greenbelt (2) is installed and is placed case (15), and is located and is placed case (15) interior air pump (16) of being fixed through the bolt, box (131), greenbelt (2) are run through with the one end of second intake pipe (136) to first intake pipe (135) and one side of placing case (15) and are linked together with the gas outlet of air pump (16), control valve (17) are installed to first intake pipe (135) and second intake pipe (136) one end that is located and places case (15).

3. The system of claim 2, wherein the system comprises: auxiliary tanks (22) are arranged on two sides of the drainage cover (4) and at the bottom of the green belt (2), opposite surfaces of the two auxiliary tanks (22) are communicated through a communication pipe (18), and one side of one auxiliary tank (22) is communicated with one side of the tank body (131) through the communication pipe (18).

4. The urban old road rainwater and sewage pipe network transformation system according to claim 3, wherein: install blowdown branch pipe (6) in lower basin (20), and the bottom intercommunication that is located lower basin (20) has drain pipe (7), well pit (8) have been seted up to the bottom of well lid (10), and are located well pit (8) and install blowdown and be responsible for (9), the one end that the blowdown was responsible for (9) is linked together with sewage treatment plant (11), one side intercommunication of sewage treatment plant (11) has collector pipe (12), the one end and the blowdown of blowdown branch pipe (6) are responsible for (9) and are linked together, the one end of advancing dirty pipe (138) is responsible for one side of (9) with the blowdown and is linked together, check valve (19) are installed to the one end that advances dirty pipe (138) are located well pit (8).

5. The system of claim 4, wherein the system comprises: the side bricks (3) are uniformly laid on two sides of the sidewalk (1), the lower water openings (21) are uniformly formed in one side of each side brick (3), and one side of each lower water opening (21) is communicated with one side of the lower water tank (20).

6. The method for modifying the rain sewage pipe network of the old road of the city according to the claims 1-5, wherein: the implementation method of the urban old road rainwater and sewage pipe network transformation system comprises the following steps:

s1: widening a rainwater inlet and improving intermittent linear drainage;

the side bricks (3) at the whole drainage cover (4) are tilted out, meanwhile, the side bricks (3) with the drainage ports (21) are replaced, the whole drainage cover (4) is opened during installation, and the wall of the drainage channel (20) at one side of the side bricks (3) is grooved, so that the whole drainage channel (20) is communicated with the drainage ports (21) on the side bricks (3), the drainage quantity at the whole drainage cover (4) is increased, the whole drainage cover (4) is blocked by sundries such as leaves and branches during rainstorm is prevented, and water collection of the drainage cover (4) is only carried out, so that water accumulation on the road surface is easily caused;

the whole road section drainage cover (4) which is easy to accumulate water on the road surface is widened, the road surface is heightened due to year-by-year maintenance of the road, the actual water collection area of the drainage cover (4) is reduced, the drainage cover (4) on the original sidewalk (1) is removed, and meanwhile, a group of drainage covers (4) are additionally arranged at the original drainage groove (20), so that the water collection capacity of the whole drainage cover (4) is improved;

s2: excavating a road green belt (2) and installing a reservoir;

the method is characterized in that box bodies (131) are installed at the bottoms of green belts (2) on two sides of a whole sidewalk (1), so that the pipeline discharge at the bottoms of the green belts (2) on two sides of a whole road is realized, the whole buried pipeline is prevented from being broken during excavation, meanwhile, auxiliary boxes (22) are installed at the bottoms of the green belts (2) on one side of a corresponding water drainage channel (20) according to the arrangement of the green belts (2) in old urban areas, and the auxiliary boxes (22) are connected in series;

for the installation of the whole box body (131), the whole pipeline gathering road section is known in advance, the actual situation of a well groove (8) at the bottom of a well cover (10) on the road section is known, a group of well grooves (8) which are easy to install and have small influence on the surrounding environment are selected for operation, a green belt (2) on one side of the whole well groove (8) is excavated, the whole box body (131) is put in, a first air inlet pipe (135) and a second air inlet pipe which are prepared in the whole placing groove in advance are taken out and are correspondingly connected with two air inlet and water outlet shells (132) in the box body (131), relevant marks are pasted on the first air inlet pipe (135) and the second air inlet pipe (136) in the placing box (15), and a water outlet pipe (137) extending out of the box body (131) is put on one side;

s3: installing and testing new and old pipelines;

starting debugging the internal parts of the whole box body (131), manually pouring part of water into the box body (131), submerging an air inlet and water outlet shell (132) in the whole box body (131), simultaneously starting an air pump (16) in the whole placing box (15), and in an initial state, controlling valves (17) on a first air inlet pipe (135) and a second air inlet pipe (136) are in a closed state, firstly, performing water drainage operation, opening the controlling valve (17) on the whole first air inlet pipe (135), observing the water drainage condition of the whole sewage inlet pipe (138), enabling water to be normal, and replacing the air inlet and water outlet shell (132) in the box body (131) when water is not discharged;

when irrigation detection is needed, the control valve (17) on the first air inlet pipe (135) is closed, the control valve (17) on the second air inlet pipe (136) is opened, whether the irrigation spray head (139) on the whole water outlet pipe (137) discharges water is observed, after all the conditions are normal, the communicating pipe (18) on the auxiliary tank (22) is communicated with one side of the tank body (131), the sewage inlet pipe (138) extends into the well groove (8), the connecting pipe (14) is communicated with one side of the sewage discharge tank (20), and one end of the connecting pipe (14) extends to one side of the tank body (131);

after debugging is finished, burying of soil is started, meanwhile, the whole water outlet pipe (137) is extended to the top of the whole green belt (2), and finally, the whole placing box (15) is fixed on the green belt (2).