CN112982633A

CN112982633A - Municipal works distribution of rain and sewage system

Info

Publication number: CN112982633A
Application number: CN202110229506.XA
Authority: CN
Inventors: 温俊豪; 杨振鹏; 杨昌盛; 骆淑宜
Original assignee: Huizhou Intercity Engineering Consulting Co ltd
Current assignee: Huizhou Intercity Engineering Consulting Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-06-18
Anticipated expiration: 2041-03-02
Also published as: CN112982633B

Abstract

The utility model belongs to the technical field of urban drainage's technique and specifically relates to a municipal works distribution of rain and sewage system is related to, its technical scheme main points are: the device comprises a drainage pool arranged underground, a cover plate fixedly connected to the ground and covering the drainage pool, and a flow distribution device arranged in the drainage pool; the rainwater drainage tank is internally provided with a rainwater drainage cavity for rainwater to circulate and a sewage discharge cavity for sewage to circulate, the flow dividing device comprises a partition plate which is in sliding fit with the inside of the rainwater drainage tank, and the partition plate is used for separating the rainwater drainage cavity and the sewage discharge cavity; the cover plate is provided with a rain inlet through which rainwater enters the rain drainage cavity, the flow dividing device also comprises a sewage inlet pipe and a sewage discharge pipe which are fixedly connected to the drainage pool and communicated with the sewage discharge cavity, and a rain drainage pipe which is fixedly connected to the drainage pool and communicated with the rain drainage cavity; the rain drainage pipe is communicated with an external river channel, and the sewage discharge pipe is communicated with an external sewage treatment plant. This application has the technological effect who realizes the reposition of redundant personnel of rain and sewage.

Description

Municipal works distribution of rain and sewage system

Technical Field

The application relates to the technical field of urban drainage, in particular to a municipal engineering rain and sewage diversion system.

Background

In the existing drainage system, the form of a drainage pipeline for rainwater and domestic sewage is generally adopted, namely a combined drainage system.

With the development of economy and the enhancement of environmental awareness and the increasing rarity of water resources, various water resources need to be better utilized, and rainwater and sewage need to be separately discharged. The pollution of rainwater is light, and can directly discharge in the river, and the pollution of sewage is heavy, can directly discharge to sewage treatment plant department.

There is a need for a municipal works storm sewage diversion system.

Disclosure of Invention

In order to realize the distribution of rain and sewage, the application provides a municipal works distribution of rain and sewage system.

The application provides a municipal works distribution of rain and sewage system adopts following technical scheme:

a municipal engineering rain and sewage diversion system comprises a drainage pool arranged underground, a cover plate fixedly connected to the ground and covering the drainage pool, and a diversion device arranged in the drainage pool; the rainwater drainage tank is internally provided with a rainwater drainage cavity for rainwater to circulate and a sewage discharge cavity for sewage to circulate, the flow dividing device comprises a partition plate in sliding fit with the rainwater drainage tank, and the partition plate is used for separating the rainwater drainage cavity and the sewage discharge cavity; the cover plate is provided with a rain inlet through which rainwater enters the rain drainage cavity, the flow dividing device also comprises a sewage inlet pipe and a sewage discharge pipe which are fixedly connected to the drainage pool and communicated with the sewage discharge cavity, and a rain drainage pipe which is fixedly connected to the drainage pool and communicated with the rain drainage cavity; the rain drainage pipe is communicated with an external river channel, and the sewage discharge pipe is communicated with an external sewage treatment plant.

By adopting the technical scheme, when the rain water meets thunderstorm weather, the rain water drops on the ground and flows into the rain drainage cavity in the drainage pool through the rain inlet, the rainwater is reduced to flow towards the sewage drainage cavity by utilizing the partition plate, and the rainwater in the rain drainage cavity flows to an external river through the rain drainage pipe; when domestic sewage is to be discharged, sewage flows into the sewage discharging cavity through the sewage inlet pipe, the partition plate is utilized, then the sewage flowing direction is reduced, the sewage in the sewage discharging cavity is discharged to the outside sewage treatment plant through the sewage discharging pipe.

Preferably, the flow dividing device further comprises a sliding mechanism which is arranged between the partition plate and the cover plate and used for the partition plate to slide, the partition plate is provided with a flow port communicated with the rain discharging cavity and the sewage discharging cavity, an elastic ball which can be in inserted connection and matching with the flow port is fixedly arranged in the drainage pool, the elastic ball and the flow port can be in transition matching, and the elastic ball is located in the sewage discharging cavity; when the baffle plate slides towards the sewage cavity, the elastic ball can be in plug-in fit with the circulating port.

By adopting the technical scheme, when thunderstorm weather occurs and rain just rains, the ground is washed by rainwater, so that the rainwater is changed into sewage, and then the rainwater is discharged to the rainwater discharge cavity through the rainwater discharge port, the rainwater can be discharged to the sewage discharge cavity through the flow port, and then is discharged to an external sewage treatment plant through the sewage discharge pipe; when the rainfall of rainwater is crescent, the rainwater that gathers in the row rain intracavity is more and more, and the road surface is more and more clean, and then has reduced the pollution of rainwater, and then the water pressure promotion baffle in row rain intracavity, utilize glide machanism, make the baffle in the drainage pond cooperation of sliding, increased the volume in row rain chamber simultaneously, cooperation of pegging graft between direct current mouth and the elastic ball, and then the elastic ball blocks up in the direct current mouth, make to arrange the phase separation between rain chamber and the blowdown chamber, and then realize rain sewage reposition of redundant personnel once more.

Preferably, the blowdown cavity is located right below the rain drainage cavity in the vertical direction.

By adopting the technical scheme, when the high stage of sewage discharge occurs, more sewage is in the drainage cavity, so that the water pressure in the drainage cavity is higher, the partition plate slides towards the direction of the rain discharge cavity, the volume of the drainage cavity is increased, and the sewage discharge efficiency is improved; the baffle is to arranging the in-process that rain chamber slided, and the circulation mouth can be separated with the elastic ball mutually, and then blowdown chamber is linked together with row rain chamber, utilizes the blowdown chamber to be located row rain chamber under, and then has reduced the sewage of blowdown intracavity and has flowed to the direction of arranging rain chamber.

Preferably, the elastic ball is a rubber ball.

Through adopting above-mentioned technical scheme, when pegging graft between elasticity ball and the circulation mouth and cooperating, utilize the elastic action of rubber ball, be convenient for transition cooperation between elasticity ball and the circulation mouth.

Preferably, the partition plate is circumferentially provided with a round angle, the round angle is communicated with the circulation port, and the round angle can be abutted against the elastic ball.

Through adopting above-mentioned technical scheme, when pegging graft between elastic ball and the circulation mouth and joining in marriage, utilize the fillet, and then reduced the wearing and tearing that the baffle caused the elastic ball.

Preferably, the sliding mechanism comprises a spring connected between the cover plate and the partition plate; when the spring is in a natural state, the flow port is communicated with the elastic ball.

Through adopting above-mentioned technical scheme, when partial domestic sewage when the chamber of draining rain is advanced the rain mouth flow direction because the human effect, utilize the spring for phase separation between circulation mouth and the elastic ball, and then make this partial domestic sewage can flow to the direction in blowdown chamber.

Preferably, the sliding mechanism further comprises a sleeve fixedly connected to the cover plate and an insertion rod fixedly connected to the partition plate, and the sleeve and the insertion rod are in insertion fit and can slide relatively.

Through adopting above-mentioned technical scheme, when spring deformation, the baffle slides, and the baffle drives the inserted bar syntropy and slides, and then slides between sleeve and the inserted bar relatively, and then realizes the guide effect to the direction of sliding of baffle.

Preferably, the sliding mechanism further comprises a limiting component fixedly installed at the sleeve and the insertion rod, the limiting component comprises a supporting block fixedly connected to the sleeve and a limiting block fixedly connected to the insertion rod, and the limiting block and the supporting block can be abutted and matched.

Through adopting above-mentioned technical scheme, when the baffle slided, the baffle drove the inserted bar syntropy and slides, and then the inserted bar drove the stopper syntropy and slides, and until the stopper with support between the piece butt cooperation, and then the stopper stops sliding for inserted bar and baffle stop sliding, and then reduced the inserted bar and took place because of the condition that excessively leads to breaking away from mutually between inserted bar and the sleeve that slides.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rainwater flows into a rainwater drainage cavity in the drainage pond through the rainwater inlet, the flowing of the rainwater to the direction of the sewage drainage cavity is reduced by utilizing the partition plate, and the rainwater in the rainwater drainage cavity flows to an external river through the rainwater drainage pipe; when domestic sewage is discharged, the sewage flows into the sewage discharging cavity through the sewage inlet pipe, the partition plate is utilized, the sewage flowing to the rain discharging cavity is further reduced, and the sewage in the sewage discharging cavity is discharged to an external sewage treatment plant through the sewage discharging pipe;

2. the rainwater is flushed on the ground, so that the rainwater is changed into sewage, and when the rainwater is discharged to the rainwater discharging cavity through the rainwater discharging port, the rainwater can be discharged to the sewage discharging cavity through the circulating port, and further discharged to an external sewage treatment plant through the sewage discharging pipe; when the rainfall of rainwater is gradually increased, more and more rainwater is accumulated in the rainwater drainage cavity, the road surface is cleaner and cleaner, the pollution of rainwater is further reduced, the water pressure in the rainwater drainage cavity pushes the partition plate, the partition plate is in sliding fit in the drainage pool by using the sliding mechanism, the volume of the rainwater drainage cavity is increased at the same time, the water flow port and the elastic ball are in insertion fit until the water flow port is blocked by the elastic ball, the rainwater drainage cavity and the sewage drainage cavity are separated, and then rainwater and sewage diversion is realized again;

3. the water pressure in the sewage discharging cavity is higher due to more sewage in the drainage cavity, so that the partition plate slides towards the direction of the rain discharging cavity, the volume of the sewage discharging cavity is increased, and the sewage discharging efficiency is improved; the baffle is to arranging the in-process that rain chamber slided, and the circulation mouth can be separated with the elastic ball mutually, and then blowdown chamber is linked together with row rain chamber, utilizes the blowdown chamber to be located row rain chamber under, and then has reduced the sewage of blowdown intracavity and has flowed to the direction of arranging rain chamber.

Drawings

FIG. 1 is a schematic view of the overall structure of a municipal works rainwater and sewage separation system in the embodiment;

FIG. 2 is a partial structural cross-sectional view of a municipal works rainwater and sewage flow system according to the embodiment;

fig. 3 is an enlarged view at a in fig. 2.

In the figure, 1, a drainage pool; 11. a rain drainage cavity; 12. a blowdown chamber; 2. a cover plate; 21. a rain inlet; 22. a filter screen; 3. a rain drainage pipe; 4. a blow-off pipe; 5. a sewage inlet pipe; 6. a partition plate; 61. a waterproof gasket; 62. a flow port; 63. round corners; 71. a spring; 721. a sleeve; 722. inserting a rod; 73. a limiting component; 731. a resisting block; 732. a limiting block; 81. an elastic ball; 82. a support rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses municipal works distribution of rain and sewage system. Referring to fig. 1 and 2, the diversion system includes a drainage basin 1 disposed underground and a cover plate 2 constructed to cover the drainage basin 1 with the ground. Drainage pond 1 is the cuboid setting, and drainage pond 1's length direction parallels with the horizontal direction, and drainage pond 1's thickness direction parallels with vertical direction. One side of the upper part of the drainage pool 1 in the thickness direction is provided with an opening and communicated with the cover plate 2. Apron 2 is the cuboid setting, and the length direction and the horizontal direction of apron 2 parallel, and the thickness direction and the vertical direction of apron 2 parallel. The cover plate 2 is used for covering one side of the drainage pool 1 which is provided with an opening. The cover plate 2 is provided with rain inlets 21 penetrating through two opposite sides of the cover plate in the thickness direction, and the rain inlets 21 are used for rainwater to flow into the drainage pool 1. Preferably, in the present embodiment, the number of the rain inlets 21 is two, and the two rain inlets 21 are respectively located at two opposite ends of the cover plate 2 in the length direction. The cover plate 2 is fixedly welded with a filter screen 22, the filter screen 22 is positioned in the rain inlet 21, and the filter screen 22 is used for filtering impurities generated when rainwater scours the ground. Preferably, the number of the filter screens 22 is two, and the two filter screens 22 are respectively located in the two rain inlets 21.

Referring to fig. 1 and 2, the diverting system further includes a diverting device installed in the drain pool 1 for diverting rainwater and sewage. Specifically, diverging device is including the baffle 6 and fixed connection in the rain pipe 3, the dirty pipe 5, the blow off pipe 4 of arranging in drainage pond 1 of sliding fit in drainage pond 1. Baffle 6 is the cuboid setting, and the length direction of baffle 6 parallels with the length direction of drainage pond 1, and the thickness direction of baffle 6 parallels with the thickness direction of drainage pond 1. Utilize baffle 6, and then the relative both sides of thickness direction in the drainage pond 1 are provided with row rain chamber 11 and the blowdown chamber 12 that is used for the blowdown water that is used for arranging the rainwater to phase separation between row rain chamber 11 and the blowdown chamber 12, row rain chamber 11 is located blowdown chamber 12 directly over. The partition plate 6 is circumferentially bonded and fixed with a waterproof sealing gasket 61, and the waterproof sealing gasket 61 is always abutted against the inner side wall of the drainage pool 1. By using the waterproof sealing gasket 61, the rainwater is further reduced to flow into the sewage draining cavity 12 through the assembly gap between the partition plate 6 and the drainage pool 1.

Referring to fig. 1 and 2, the rain discharging chamber 11 is communicated with the rain inlet 21, so that rain water can flow into the rain discharging chamber 11 through the rain inlet 21. One end of the rain drainage pipe 3 in the length direction is fixedly connected to one end of the drainage pool 1 in the length direction and communicated with the rain drainage cavity 11, and the other end of the rain drainage pipe 3 in the length direction is communicated with an external river channel, so that rainwater can be drained to an external river.

Referring to fig. 1 and 2, a sewage inlet pipe 5 and a sewage outlet pipe 4 are respectively located at two opposite ends of the length direction of the drainage pool 1, the sewage inlet pipe 5 is used for discharging sewage into the sewage discharge cavity 12, and the sewage outlet pipe 4 is used for discharging sewage to an external sewage treatment plant. The one end of the length direction of the sewage inlet pipe 5 supplies domestic sewage to flow into the sewage inlet pipe 5, the other end of the length direction of the sewage inlet pipe 5 is welded and fixed on the drainage pool 1 and is communicated with the sewage discharge cavity 12, and then the domestic sewage can be discharged into the sewage discharge cavity 12 through the sewage inlet pipe 5. The one end welded fastening of 4 length direction of blow off pipe is in drainage pond 1 and with blowdown intracavity 12 intercommunication, and 4 length direction's of blow off pipe the other end is linked together with outside sewage treatment plant, and then makes sewage can flow to outside sewage treatment plant through 4 flows of blow off pipe.

When the thunderstorm weather occurs, rainwater drops on the ground, then flows into the rainwater drainage cavity 11 of the drainage pool 1 through the rainwater inlet 21, and then flows to an external river channel directly through the rainwater drainage pipe 3; when domestic sewage needs to be discharged, the domestic sewage is directly discharged into the sewage discharge cavity 12 of the drainage pool 1 through the sewage inlet pipe 5, the sewage discharge pipe 4 is utilized, and then the domestic sewage is discharged to the outside sewage treatment plant through the sewage discharge pipe 4, so that the rainwater and the sewage are separately discharged.

Referring to fig. 2 and 3, in particular, the flow dividing device further comprises a sliding mechanism fixedly connected between the cover plate 2 and the partition plate 6. Specifically, the sliding mechanism includes a sleeve 721 fixedly connected to the cover plate 2, an insert rod 722 fixedly connected to the partition plate 6, and a spring 71 connected between the cover plate 2 and the insert rod 722.

Referring to fig. 2 and 3, the sleeve 721 is disposed in a cylindrical shape, the length direction of the sleeve 721 is parallel to the vertical direction, and one end of the sleeve 721 in the length direction is welded and fixed to one side of the cover plate 2 facing the rain discharging chamber 11 in the thickness direction. The inserting rod 722 is disposed in a cylindrical shape, the length direction of the inserting rod 722 is parallel to the vertical direction, one end of the inserting rod 722 in the length direction is welded and fixed to one side of the partition board 6 facing the rain discharging cavity 11 in the thickness direction, and the other end of the inserting rod 722 in the length direction is inserted and matched with the sleeve 721 and can slide relatively. The length direction of the spring 71 is parallel to the vertical direction, and the spring 71 is located inside the sleeve 721. One end of the spring 71 in the length direction is welded and fixed on one side of the cover plate 2 facing the rain drainage cavity 11, and the other end of the spring 71 in the length direction is fixedly connected with one end of the inserted rod 722 facing away from the partition plate 6.

When the weather is thunderstorm, the discharge amount of rainwater is larger than that of sewage, the rainwater is discharged into the rainwater discharging cavity 11 through the rainwater inlet 21, the water pressure in the rainwater discharging cavity 11 is larger than that in the sewage discharging cavity 12, then the rainwater pushes the partition plate 6, so that the partition plate 6 slides towards the sewage discharging cavity 12, the partition plate 6 drives the inserting rods 722 to slide in the same direction, the inserting rods 722 gradually leave away from the cover plate 2, the springs 71 are stretched, and the guide effect on the sliding direction of the partition plate 6 is realized by utilizing the relative sliding between the inserting rods 722 and the sleeves 721; meanwhile, the volume of the rain drainage cavity 11 is increased, so that rainwater in the rain drainage cavity 11 can be drained conveniently.

When being in domestic water peak period, the emission of sewage is greater than the emission of rainwater, and then the water pressure in blowdown chamber 12 is greater than the water pressure of arranging rain chamber 11, and then baffle 6 slides to the direction of arranging rain chamber 11 for relative sliding between inserted bar 722 and sleeve 721, spring 71 resets, and spring 71 stimulates baffle 6 to slide to the direction of arranging rain chamber 11 simultaneously, and then blowdown chamber 12 increases easily, and then is convenient for discharge sewage.

Referring to fig. 2 and 3, in particular, the sliding mechanism further includes a limit component 73 fixedly connected to the plunger 722 and the sleeve 721. Specifically, the limiting component 73 includes a limiting block 732 fixed to the inserting rod 722 by welding and a resisting block 731 fixed to the sleeve 721 by welding. The stopper 732 is disposed in a cylindrical shape, the length direction of the stopper 732 is parallel to the length direction of the insertion rod 722, and one end of the stopper 732 in the length direction is welded and fixed to one end of the insertion rod 722 in the length direction, which is away from the partition plate 6. The stopper 732 has a diameter greater than that of the plunger 722. The abutting block 731 is disposed in a circular ring shape, the length direction of the abutting block 731 is parallel to the length direction of the sleeve 721, and the diameter direction of the abutting block 731 is parallel to the diameter direction of the sleeve 721. The outer side wall of the abutting block 731 is circumferentially welded and fixed to the inner side wall of the sleeve 721, and the inner side wall of the abutting block 731 extends in the direction of the inserting block. The abutting block 731 is located at one end of the sleeve 721 facing away from the cover plate 2 in the length direction, and the abutting block 731 and the limiting block 732 can be abutted and matched.

When the partition plate 6 slides towards the direction of the sewage discharging cavity 12, the inserting rod 722 drives the limiting block 732 to slide in the same direction, and then the limiting block 732 slides towards the direction of the abutting block 731 until the limiting block 732 is in abutting fit with the abutting block 731, and then the limiting block 732 stops sliding, so that the inserting rod 722 stops sliding, and the occurrence of the situation that the inserting rod 722 is separated from the sleeve 721 due to excessive sliding is reduced.

Referring to fig. 2 and 3, the partition plate 6 is provided with flow openings 62 penetrating through opposite sides in the thickness direction thereof, and the rain exhaust chamber 11 and the soil discharge chamber 12 are communicated with each other by the flow openings 62. The partition 6 is circumferentially provided with a fillet 63, the fillet 63 being located at the end of the through-flow opening 62 facing the dirt discharge chamber 12. Specifically, the flow dividing device further comprises a support rod 82 fixedly connected to the drainage pool 1 and an elastic ball 81 fixedly connected to the support rod 82. Preferably, in the present embodiment, the elastic ball 81 is a rubber ball. The support rod 82 is arranged in a cylindrical shape, and the length direction of the support rod 82 is parallel to the vertical direction. One end of the support rod 82 in the length direction is welded and fixed on an inner side wall of the drainage pool 1, which deviates from the cover plate 2 in the thickness direction. The other end of the support rod 82 in the length direction is fixedly bonded to the outer side wall of the elastic ball 81. The communication port 62 communicates with the elastic ball 81. When the diaphragm 6 is slid and the spring 71 is in a stretched state, the communication port 62 and the elastic ball 81 are in a plug-in fit and a transition fit. Preferably, the number of the flow openings 62 is two, two flow openings 62 are respectively located at two opposite ends of the partition plate 6 in the length direction, and the elastic ball 81 is engaged with the flow openings 62.

The embodiment of the application provides a municipal works distribution of rain and sewage's implementation principle does:

in the early stage of raining, the rainwater scours the ground, so that the rainwater is polluted and changed into sewage, further the polluted rainwater flows to the rainwater drainage cavity 11 through the rainwater inlet 21, because the water pressure in the rainwater drainage cavity 11 in the early stage of raining is small, further the partition plate 6 is temporarily in a static state, and further the polluted rainwater is discharged to the sewage drainage cavity 12 through the flow port 62 by utilizing the flow port 62, further can be discharged to an external sewage treatment plant; along with the gradual increase of rainfall, the contaminated rainwater reduces gradually, the water pressure in the rain drainage cavity 11 is greater than the water pressure in the blowdown cavity 12, utilize glide machanism, and then baffle 6 slides to the direction in blowdown cavity 12, make spring 71 handle tensile state, baffle 6 drives circulation port 62 and slides to the direction of elastic ball 81 simultaneously, until the cooperation of pegging graft between circulation port 62 and the elastic ball 81, utilize the elastic action of elastic ball 81, and then make transition fit between elastic ball 81 and the circulation mouth 62, and then reduced the rainwater and discharged to the direction in blowdown cavity 12 through circulation port 62, make the rainwater can discharge to outside river course through rain drainage pipe 3, utilize fillet 63 of circulation port 62 department, and then when having reduced the grafting cooperation between circulation mouth 62 and the elastic ball 81, baffle 6 is to the wearing and tearing of elastic ball 81.

When being in the peak period of domestic water, the water pressure in blowdown chamber 12 is greater than the water pressure in the rain drainage chamber 11, utilize glide machanism, make baffle 6 slide to the direction in rain drainage chamber 11, and then baffle 6 drives circulation mouth 62 syntropy and slides, and then phase separation between circulation mouth 62 and the elastic ball 81, make to be linked together between blowdown chamber 12 and the rain drainage chamber 11, utilize blowdown chamber 12 to be located rain drainage chamber 11 under, and then the sewage flow in reducible blowdown chamber 12 is to in the rain drainage chamber 11, and then the pollution of reduction sewage to the river.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a municipal works distribution of rain and sewage system which characterized in that: the device comprises a drainage pool (1) arranged underground, a cover plate (2) fixedly connected to the ground and covering the drainage pool (1), and a flow dividing device arranged in the drainage pool (1); a rain drainage cavity (11) for rainwater to circulate and a sewage drainage cavity (12) for sewage to circulate are arranged in the drainage pool (1), the flow dividing device comprises a partition plate (6) in sliding fit with the drainage pool (1), and the partition plate (6) is used for separating the rain drainage cavity (11) and the sewage drainage cavity (12); the cover plate (2) is provided with a rain inlet (21) for rainwater to enter the rain drainage cavity (11), the shunting device also comprises a sewage inlet pipe (5) and a sewage discharge pipe (4) which are fixedly connected to the drainage pool (1) and communicated with the sewage discharge cavity (12), and a rain drainage pipe (3) which is fixedly connected to the drainage pool (1) and communicated with the rain drainage cavity (11); the rain drainage pipe (3) is communicated with an external river channel, and the sewage discharge pipe (4) is communicated with an external sewage treatment plant.

2. The municipal works rain and sewage diversion system of claim 1, wherein: the flow dividing device further comprises a sliding mechanism which is arranged between the partition plate (6) and the cover plate (2) and used for the partition plate (6) to slide, the partition plate (6) is provided with a flow port (62) communicated with a rain drainage cavity (11) and a sewage drainage cavity (12), an elastic ball (81) which can be in insertion fit with the flow port (62) is fixedly arranged in the drainage pool (1), the elastic ball (81) and the flow port (62) can be in transition fit, and the elastic ball (81) is located in the sewage drainage cavity (12); when the baffle plate (6) slides towards the sewage discharge cavity (12), the elastic ball (81) can be in plug-in fit with the flow opening (62).

3. The municipal works rain and sewage diversion system of claim 2, wherein: the sewage discharge cavity (12) is positioned right below the vertical direction of the rain discharge cavity (11).

4. The municipal works rain and sewage diversion system of claim 2, wherein: the elastic ball (81) is a rubber ball.

5. The municipal works rain and sewage diversion system of claim 2, wherein: the separator (6) is circumferentially provided with a round angle (63), the round angle (63) is communicated with the circulating port (62), and the round angle (63) can be abutted against the elastic ball (81).

6. The municipal works rain and sewage diversion system of claim 2, wherein: the sliding mechanism comprises a spring (71) connected between the cover plate (2) and the partition plate (6); when the spring (71) is in a natural state, the communication port (62) is communicated with the elastic ball (81).

7. The municipal works rain and sewage diversion system of claim 6, wherein: the sliding mechanism further comprises a sleeve (721) fixedly connected to the cover plate (2) and an insert rod (722) fixedly connected to the partition plate (6), and the sleeve (721) and the insert rod (722) are in insertion fit and can slide relatively.

8. The municipal works rain and sewage diversion system of claim 7, wherein: the sliding mechanism further comprises a limiting component (73) fixedly installed at the sleeve (721) and the insertion rod (722), the limiting component (73) comprises a resisting block (731) fixedly connected to the sleeve (721) and a limiting block (732) fixedly connected to the insertion rod (722), and the limiting block (732) and the resisting block (731) can be in butt fit.