CN113775019B

CN113775019B - Municipal administration distribution of rain and sewage system

Info

Publication number: CN113775019B
Application number: CN202111149346.4A
Authority: CN
Inventors: 刘新国; 潘兴华; 刘卫; 张瑞
Original assignee: Shandong Taidong Highway Engineering Co ltd
Current assignee: Shandong Taidong Highway Engineering Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-10
Anticipated expiration: 2041-09-29
Also published as: CN113775019A

Abstract

The utility model relates to a technical field of distribution of rain and sewage discloses a municipal administration rain and sewage flow system, and it includes sewage discharging equipment, rainwater discharging equipment and leads dirty pipe, rainwater discharging equipment includes drain pipe and foreign matter separating mechanism, and the municipal sewage pipe network passes through sewage discharging equipment and sewage treatment plant intercommunication, drain pipe one end and earth's surface intercommunication, the one end and the river course intercommunication on earth's surface are kept away from to the drain pipe, the drain pipe passes through lead dirty pipe with sewage discharging equipment intercommunication, lead dirty pipe slope to set up, lead dirty pipe to be close to sewage discharging equipment's one end is to keeping away from the direction slope on ground, foreign matter separating mechanism connects inside the drain pipe. This application has the advantage of alleviating foreign matter such as leaf to the influence of sewer drainage effect.

Description

Municipal administration distribution of rain and sewage system

Technical Field

The application relates to the field of distribution of rain and sewage, in particular to a municipal rainwater and sewage distribution system.

Background

Rain and sewage diversion refers to a sewage discharge mode in which rain water and sewage are separated and are respectively conveyed by a pipeline for discharge or subsequent treatment. The rainwater passes through the rainwater pipe network and directly arranges the river course, and sewage then passes through the sewage pipe network and collects the back, sends to sewage treatment plant and handles, avoids sewage directly to get into the river course and causes the pollution. And the rainwater is collected, utilized and discharged in centralized management, so that the impact of the water quantity on a sewage treatment plant can be reduced, and the treatment efficiency of the sewage treatment plant is ensured.

At present, the existing rainwater pipeline and the sewage pipeline are relatively independent, rainwater on a road surface flows into the rainwater pipeline through a sewer, the rainwater pipeline is used for collecting the rainwater, and the collected rainwater is directly discharged into a river channel; sewage collected by the urban sewage pipe network is sent to a sewage treatment plant by using a sewage pipeline for centralized treatment.

To the correlation technique among the above-mentioned, the inventor thinks that the rainwater is in the in-process of flowing into the rainwater pipeline, in difficult avoiding having some foreign matters such as domestic waste, leaf and flow into the sewer under the drive of rainwater, has the defect that foreign matters such as domestic waste and leaf influence the sewer drainage effect after getting into the sewer.

Disclosure of Invention

In order to reduce foreign matters such as domestic waste and leaf and get into the influence to sewer drainage effect after the sewer, this application provides a municipal administration rain and sewage reposition of redundant personnel system.

The application provides a pair of municipal administration rain sewage diversion system adopts following technical scheme:

the utility model provides a municipal administration rain sewage reposition of redundant personnel system, includes sewage discharge device, rainwater discharging equipment and leads dirty pipe, rainwater discharging equipment includes drain pipe and foreign matter separating mechanism, and the urban sewage pipe network passes through sewage discharge device and sewage treatment plant intercommunication, drain pipe one end and earth's surface intercommunication, the one end and the river course intercommunication of earth's surface are kept away from to the drain pipe, the drain pipe passes through lead dirty pipe with sewage discharge device intercommunication, lead dirty pipe slope setting, lead dirty pipe to be close to sewage discharge device's one end is to the direction slope of keeping away from the earth's surface, foreign matter separating mechanism connects inside the drain pipe.

By adopting the technical scheme, the foreign matter separation mechanism is arranged in the drain pipe, and foreign matters such as leaves and the like mixed in the rainwater are separated by the foreign matter separation mechanism; the foreign matter separating mechanism is used for guiding the separated foreign matter into the sewage guide pipe, the foreign matter enters the sewage discharge device through the sewage guide pipe, and the foreign matter enters the sewage discharge device and then enters the sewage treatment plant along with the domestic sewage for treatment; the influence of foreign matters such as household garbage and leaves on the drainage effect of the rainwater drainage device after entering the rainwater drainage device is reduced.

Optionally, foreign matter separating mechanism is including the screening net that is used for sieving the foreign matter, the screening net with the inner wall connection of drain pipe, the screening net will the drain pipe internal partitioning becomes first cavity and second cavity, first cavity is located one side that the screening net is close to the earth's surface, lead dirty pipe with first cavity intercommunication, the screening net is close to lead the one end of dirty pipe to the direction slope of keeping away from the earth's surface.

By adopting the technical scheme, the screening net is utilized to screen rainwater and foreign matters entering the drainage pipe, the foreign matters are retained in the first chamber, and the rainwater passes through the screening net under the action of gravity and enters the second chamber; through setting up the slope of screening net, make the foreign matter on the screening net remove to dirt pipe under the action of gravity to reduce the possibility that the foreign matter blockked up the screening net.

Optionally, the screening net includes first screen cloth and second screen cloth, first screen cloth with the second screen cloth is articulated, first screen cloth with the second screen cloth is connected between the relative both sides wall of drain pipe, first screen cloth with it connects to lead dirty union coupling on the same lateral wall of drain pipe, second screen cloth sliding connection be in drain pipe connection have lead on the relative lateral wall of dirty pipe, second screen cloth is connected with coupling assembling, coupling assembling includes two springs, two the spring is all connected the second screen cloth is kept away from the one end of first screen cloth, the spring is kept away from the one end of second screen cloth with drain pipe connection.

Through adopting above-mentioned technical scheme, first screen cloth is articulated with the second screen cloth, and the one end that first screen cloth was kept away from to the second screen cloth is passed through the spring and is connected with the lateral wall of drain pipe, and the one end that first screen cloth was kept away from to the second screen cloth and the lateral wall sliding connection of drain pipe, when the rainwater was smugglied foreign matter secretly and is got into the drain pipe, first screen cloth and second screen cloth can form the contained angle under the impact of rainwater, reduce the guidance quality of screening net to the rainwater to reduce the rainwater and get into the possibility of leading dirty pipe.

Optionally, lead dirty union coupling to be connected with water filtering mechanism, water filtering mechanism includes strainer plate and wet return, wet return one end is connected lead dirty pipe and keep away from one side of earth's surface, the wet return with lead dirty pipe intercommunication, the wet return is kept away from lead dirty pipe one end with the second chamber intercommunication of drain pipe, the strainer plate is connected the wet return with lead the one end of dirty pipe intercommunication.

Through adopting above-mentioned technical scheme, set up water filtering mechanism in leading dirty intraductal, the rainwater that enters into in leading dirty intraductal enters into the return pipe through the strainer plate under the action of gravity, flows back to in the second cavity of drain pipe through the return pipe again to reduce the rainfall volume that enters into sewage discharge device through leading dirty pipe, reduce sewage treatment plant's work load.

Optionally, a plurality of recesses have been seted up to the one side that the drainage board is close to leading dirty pipe, it is a plurality of water holes of crossing to have seted up on the drainage board, and is a plurality of the water hole of crossing is with a plurality of the recess one-to-one sets up, it is located to cross the water hole the recess bottom, a plurality of lugs of one side fixedly connected with that the drainage board is close to leading dirty pipe.

Through adopting above-mentioned technical scheme, be close to a plurality of lugs of one side fixed connection of leading dirty pipe at the water strainer board, utilize the lug to support the foreign matter, in rainwater gets into the water return pipe through the water hole inflow after the recess, reduce the possibility that the foreign matter blockked up the water hole.

Optionally, an overflow prevention mechanism is arranged in the sewage guide pipe, the overflow prevention mechanism is located on one side of the water filtering mechanism away from the drain pipe, the overflow prevention mechanism comprises an overflow prevention plate and a buoyancy float, the overflow prevention plate is hinged to a side wall of the sewage guide pipe away from the ground surface, a rotation axis of the overflow prevention plate is perpendicular to the length direction of the sewage guide pipe, and the buoyancy float is fixedly connected to the side wall of the overflow prevention plate away from the drain pipe; the buoyancy float with during the lateral wall butt of leading dirty pipe, the anti-overflow flow board keep away from with lead the one end of dirty pipe articulated department with there is the clearance that supplies the foreign matter to pass through between the inner wall of dirty pipe.

Through adopting above-mentioned technical scheme, set up anti-overflow device in leading dirty intraductal, when sewage discharge device took place to block up, in sewage got into the blow-off pipe, buoyancy floated the effect of buoyancy and pushed the anti-overflow board and rotate to the direction that is close to the drain pipe, utilized anti-overflow board to seal the blow-off pipe, reduced sewage and got into rainwater discharge device's possibility through the blow-off pipe.

Optionally, the one end intercommunication that the earth's surface was kept away from to the drain pipe has water treatment mechanism, water treatment mechanism includes filter tube and filter layer, filter tube one end with the drain pipe intercommunication, the filter tube is kept away from the one end of drain pipe is passed through aqueduct and river course intercommunication, the filter layer is located inside the filter tube.

Through adopting above-mentioned technical scheme, utilize water treatment mechanism to carry out further processing to the rainwater, reduce the possibility that the tiny particle foreign matter got into the river course.

Optionally, the filter layer includes a sandstone layer and an activated carbon layer, and the sandstone layer is located on one side of the activated carbon layer close to the drain pipe.

Through adopting above-mentioned technical scheme, utilize the gravel layer to filter the suspended solid in the rainwater, utilize the activated carbon layer to further filter and get rid of the peculiar smell of rainwater to the soluble impurity in the rainwater.

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

the foreign matter separating mechanism is arranged in the drain pipe, rainwater and foreign matters are separated by the foreign matter separating mechanism, the separated foreign matters are conveyed into the sewage discharging device through the sewage discharging pipe, and the foreign matters enter the sewage discharging device and then enter the sewage treatment plant along with domestic sewage for treatment, so that the influence of the foreign matters such as domestic garbage and leaves on the drainage effect of the drain pipe after entering the drain pipe is reduced;

by arranging the water filtering mechanism in the sewage guide pipe, rainwater entering the sewage guide pipe enters the water return pipe through the water filtering plate under the action of gravity and then flows back into the second chamber of the drain pipe through the water return pipe, so that the rainwater entering the sewage discharge device through the sewage guide pipe is reduced, and the workload of a sewage treatment plant is reduced;

through set up anti-overflow device in leading dirty intraductal, when sewage discharging equipment takes place to block up, in sewage got into the blow-off pipe, buoyancy floated the effect of buoyancy and pushed down and prevent that the overflow plate rotated to the direction that is close to the drain pipe, utilized anti-overflow plate to seal the blow-off pipe, reduced sewage through the possibility that the blow-off pipe got into rainwater discharging equipment.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the whole structure of a rainwater drainage device in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a water filter plate in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a water treatment mechanism part in the embodiment of the application.

Reference numerals: 100. a rainwater drainage device; 110. a drain pipe; 111. a first chamber; 112. a second chamber; 120. a water conduit; 200. a sewage discharge device; 210. a blow-off pipe; 300. a sewage guide pipe; 400. urban sewage pipe networks; 500. a sewage treatment plant; 600. a foreign matter separating mechanism; 610. screening the net; 611. a first screen; 612. a second screen; 620. a connecting assembly; 621. a spring; 700. a water filtering mechanism; 710. a water filter plate; 711. a groove; 712. water passing holes; 713. a bump; 720. a water return pipe; 800. an anti-overflow mechanism; 810. an overflow prevention plate; 820. floating by buoyancy; 900. a water treatment mechanism; 910. a filter tube; 920. a filter layer; 921. a sandstone layer; 922. and an activated carbon layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses municipal administration rain sewage reposition of redundant personnel system. Referring to fig. 1 and 2, a municipal rainwater and sewage separation system comprises a rainwater drainage device 100 buried underground, wherein one end of the rainwater drainage device 100 is communicated with the ground surface, and the other end of the rainwater drainage device 100, which is far away from the ground surface, is communicated with a river channel; the rainwater drainage device 100 is communicated with the sewage drainage device 200 through a sewage guide pipe 300, and one end of the sewage guide pipe 300 close to the sewage drainage device 200 inclines towards the direction far away from the ground surface. The sewage discharge device 200 is buried underground, one end of the sewage discharge device 200 is communicated with the urban sewage pipe network 400, and the other end of the sewage discharge device 200 is communicated with the sewage treatment plant 500. After rainwater enters the rainwater drainage device 100, foreign matters carried in the rainwater enter the sewage drainage device 200 through the sewage guide pipe 300, and the rainwater is drained into a river channel through the rainwater drainage device 100; foreign matters enter the sewage discharge device 200 and then are conveyed together with municipal sewage to enter the sewage treatment plant 500 for treatment, so that the influence of the foreign matters such as household garbage and leaves on the drainage effect of the rainwater discharge device 100 after entering the rainwater discharge device 100 is reduced.

Referring to fig. 1 and 2, the rainwater drainage apparatus 100 includes a drainage pipe 110 buried underground, one end of the drainage pipe 110 is communicated with the ground surface, and a horizontal section of the drainage pipe 110, which is vertically disposed, is rectangular. One end of the drain pipe 110 close to the ground surface is fixedly connected with a protective grating, and a foreign matter separation mechanism 600 for separating foreign matters is installed in the drain pipe 110. The foreign matter separating mechanism 600 includes a sieving net 610, the sieving net 610 includes a first mesh 611, the first mesh 611 is hinged on one side wall of the drain pipe 110, an end of the first mesh 611 far away from the drain pipe 110 is hinged with a second mesh 612, an end of the second mesh 612 far away from the first mesh 611 is slidably connected with the other side wall of the drain pipe 110, and the first mesh 611 and the second mesh 612 are connected between the opposite side walls of the drain pipe 110. The inside of the drain pipe 110 is partitioned into a first chamber 111 and a second chamber 112 by the cooperation of the first mesh 611 and the second mesh 612, and the first chamber 111 is located above the second chamber 112.

Referring to fig. 1 and 2, the soil guide pipe 300 is connected to the same side wall of the drain pipe 110 as the first mesh 611, and the soil guide pipe 300 communicates with the first chamber 111 of the drain pipe 110. One end of the second screen 612 far away from the first screen 611 is fixedly connected with a connecting assembly 620, the connecting assembly 620 comprises two springs 621, one end of each of the two springs 621 is fixedly connected with the second screen 612, and the other end is connected with the drain pipe 110. When the first mesh 611 and the second mesh 612 are not subjected to an external force, the first mesh 611 is coplanar with the second mesh 612, and one end of the first mesh 611 close to the dirt guide pipe 300 is inclined in a direction away from the ground surface. After the rainwater enters the drain pipe 110 together with the foreign matters, the screening net 610 screens the rainwater and the foreign matters entering the drain pipe 110, and the foreign matters are retained in the first chamber 111; the first screen cloth 611 and the second screen cloth 612 can form an included angle under the impact of rainwater, so that the guidance of the screening net 610 to rainwater is reduced, and the possibility of rainwater entering the rainwater guide pipe 300 is reduced. After the rainwater enters the second chamber 112, the first mesh 611 and the second mesh 612 are restored to the initial state by the elastic force of the spring 621, so that the foreign matters on the screening net 610 move into the sewage guide pipe 300 by gravity, thereby reducing the possibility that the foreign matters block the screening net 610.

Referring to fig. 1 and 2, a water filtering mechanism 700 is installed below the sewage guide pipe 300, the water filtering mechanism 700 includes a recovery pipe, one end of a water return pipe 720 is connected below the sewage guide pipe 300 and the water return pipe 720 is communicated with the sewage guide pipe 300, and the other end of the water return pipe 720 is communicated with the second chamber 112 of the drain pipe 110. The strainer 710 is installed at one end of the water return pipe 720 communicated with the sewage guide pipe 300, rainwater entering the sewage guide pipe 300 enters the water return pipe 720 through the strainer 710 under the action of gravity, and then flows back into the second chamber 112 of the drain pipe 110 through the water return pipe 720, so that the amount of rainwater entering the sewage discharge device 200 through the sewage guide pipe 300 is reduced, and the workload of the sewage treatment plant 500 is reduced.

Referring to fig. 2 and 3, a plurality of grooves 711 are formed in one side of the water filtering plate 710 close to the dirt guide pipe 300, water passing holes 712 are formed in the bottom of the grooves 711, and the grooves 711 are uniformly distributed on the water filtering plate 710. A plurality of bumps 713 are uniformly distributed on one side of the water filter plate 710 close to the dirt guide pipe 300, and the bumps 713 are fixedly connected with the water filter plate 710. When the foreign matters pass through the water filtering plate 710, the foreign matters are supported by the protrusions 713, and the rainwater enters the grooves 711 and then flows into the water return pipe 720 through the water holes 712, thereby reducing the possibility that the foreign matters block the water holes 712.

Referring to fig. 2 and 3, an anti-overflow mechanism 800 is installed in the sewage guide pipe 300, and the anti-overflow mechanism 800 is located at a side of the drainage plate 710 far from the drainage pipe 110. The anti-overflow mechanism 800 comprises an anti-overflow plate 810, the anti-overflow plate 810 is hinged on the inner wall of the sewage guide pipe 300 far away from the ground surface, and the rotation axis of the anti-overflow plate 810 is perpendicular to the length direction of the sewage guide pipe 300. One side of the anti-overflow plate 810 close to the sewage discharge device 200 is fixedly connected with a buoyancy float 820, and when the buoyancy float 820 abuts against the side wall of the sewage guide pipe 300, a gap for passing foreign matters exists between one end of the anti-overflow plate 810 far away from the hinged position of the sewage guide pipe 300 and the inner wall of the sewage guide pipe 300. When the sewage discharge device 200 is blocked, sewage enters the sewage discharge pipe 210, the buoyancy float 820 pushes the overflow prevention plate 810 to rotate towards the direction close to the drain pipe 110 under the action of buoyancy, the overflow prevention plate 810 is used for sealing the sewage discharge pipe 210, and the possibility that the sewage enters the rainwater discharge device 100 through the sewage discharge pipe 210 is reduced.

Referring to fig. 2 and 4, the lower end of the drainage pipe 110 is communicated with a water treatment mechanism 900, the water treatment mechanism 900 comprises a filter pipe 910, the axis of the filter pipe 910 is vertically arranged, the longitudinal section of the filter pipe 910 is isosceles trapezoid, the larger end of the filter pipe 910 is communicated with the drainage pipe 110, and the smaller end of the filter pipe 910 is communicated with the river channel through a water guide pipe 120. A filtering layer 920 is arranged in the filtering pipe 910, the filtering layer 920 comprises a sand layer 921, and an activated carbon layer 922 is arranged below the sand layer 921. Utilize gravel layer 921 to filter the suspended solid in the rainwater, reduce the possibility that the tiny particle foreign matter got into the river course, utilize activated carbon layer 922 to further filter and get rid of the peculiar smell of rainwater to the soluble impurity in the rainwater.

Referring to fig. 2 and 4, the sewage discharge apparatus 200 includes a sewage pipe 210 buried underground, the sewage pipe 210 is vertically disposed, the upper end of the sewage pipe 210 is communicated with a municipal sewage pipe network 400, the lower end of the sewage pipe 210 is communicated with a sewage treatment plant 500, and one end of the sewage pipe 300 far away from the ground is communicated with the sewage pipe 210. After entering the sewage pipe 210, the foreign matters in the sewage guide pipe 300 flow into the sewage treatment plant 500 through the sewage pipe 210 for treatment.

The implementation principle of municipal administration rain sewage diversion system of the embodiment of this application is: through utilizing leading dirty pipe 300 to communicate drain pipe 110 with blow off pipe 210, be provided with foreign matter separating mechanism 600 in the drain pipe 110, utilize foreign matter separating mechanism 600 to separate the foreign matter that enters into in drain pipe 110, the foreign matter of separation enters into blow off pipe 210 through leading dirty pipe 300, and the foreign matter gets into sewage treatment plant 500 through blow off pipe 210 and handles, reduces the possibility that the foreign matter influences drain pipe 110 drainage effect.

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 administration rain sewage diversion system which characterized in that: the rainwater drainage system comprises a sewage drainage device (200), a rainwater drainage device (100) and a sewage guide pipe (300), wherein the rainwater drainage device (100) comprises a drainage pipe (110) and a foreign matter separation mechanism (600), an urban sewage pipe network (400) is communicated with a sewage treatment plant (500) through the sewage drainage device (200), one end of the drainage pipe (110) is communicated with the ground surface, one end, far away from the ground surface, of the drainage pipe (110) is communicated with a river channel, the drainage pipe (110) is communicated with the sewage drainage device (200) through the sewage guide pipe (300), the sewage guide pipe (300) is obliquely arranged, one end, close to the sewage drainage device (200), of the sewage guide pipe (300) is inclined towards the direction far away from the ground surface, and the foreign matter separation mechanism (600) is connected inside the drainage pipe (110);

the foreign matter separating mechanism (600) comprises a screening net (610) for screening foreign matters, the screening net (610) is connected with the inner wall of the drain pipe (110), the screening net (610) divides the interior of the drain pipe (110) into a first chamber (111) and a second chamber (112), the first chamber (111) is positioned on one side, close to the ground surface, of the screening net (610), the dirt guide pipe (300) is communicated with the first chamber (111), and one end, close to the dirt guide pipe (300), of the screening net (610) inclines towards the direction far away from the ground surface;

the screening mesh (610) comprises a first screen (611) and a second screen (612), the first screen (611) and the second screen (612) are hinged, the first screen (611) and the second screen (612) are connected between two opposite side walls of the drain pipe (110), the first screen (611) and the sewage guide pipe (300) are connected to the same side wall of the drain pipe (110), the second screen (612) is slidably connected to the opposite side wall of the drain pipe (110) to which the soil guide pipe (300) is connected, a connecting assembly (620) is connected to the second screen (612), the connecting assembly (620) comprising two springs (621), both springs (621) being connected to an end of the second screen (612) remote from the first screen (611), one end of the spring (621) far away from the second screen (612) is connected with the drain pipe (110).

2. The municipal rain sewage diversion system of claim 1, wherein: lead dirty pipe (300) and be connected with water filtering mechanism (700), water filtering mechanism (700) include water filtering plate (710) and wet return (720), wet return (720) one end is connected lead dirty pipe (300) and keep away from the one side on earth's surface, wet return (720) with lead dirty pipe (300) intercommunication, wet return (720) are kept away from lead the one end of dirty pipe (300) with second cavity (112) intercommunication of drain pipe (110), water filtering plate (710) are connected wet return (720) with lead the one end of dirty pipe (300) intercommunication.

3. The municipal rain and sewage diversion system of claim 2, wherein: a plurality of recesses (711) have been seted up to one side that drainage board (710) are close to lead dirty pipe (300), seted up a plurality of water holes (712) of crossing on drainage board (710), it is a plurality of water holes (712) of crossing with a plurality of recess (711) one-to-one sets up, it is located to cross water hole (712) recess (711) bottom, one side fixedly connected with a plurality of lugs (713) that drainage board (710) are close to lead dirty pipe (300).

4. The municipal rain and sewage diversion system of claim 3, wherein: an anti-overflow mechanism (800) is arranged in the sewage guide pipe (300), the anti-overflow mechanism (800) is positioned on one side, away from the drain pipe (110), of the water filtering mechanism (700), the anti-overflow mechanism (800) comprises an anti-overflow plate (810) and a buoyancy float (820), the anti-overflow plate (810) is hinged to the side wall, away from the ground surface, of the sewage guide pipe (300), the rotation axis of the anti-overflow plate (810) is perpendicular to the length direction of the sewage guide pipe (300), and the buoyancy float (820) is fixedly connected to the side wall, away from the drain pipe (110), of the anti-overflow plate (810); when the buoyancy float (820) is abutted against the side wall of the sewage guide pipe (300), a gap for foreign matters to pass through is formed between one end, far away from the hinged position of the sewage guide pipe (300), of the anti-overflow plate (810) and the inner wall of the sewage guide pipe (300).

5. The municipal rain sewage diversion system of claim 1, wherein: drain pipe (110) keep away from the one end intercommunication on earth's surface has water treatment mechanism (900), water treatment mechanism (900) are including filter tube (910) and filter layer (920), filter tube (910) one end with drain pipe (110) intercommunication, filter tube (910) are kept away from aqueduct (120) and river course intercommunication are passed through to the one end of drain pipe (110), filter layer (920) are located inside filter tube (910).

6. The municipal rain sewage system of claim 5, wherein: the filtering layer (920) comprises a sand stone layer (921) and an activated carbon layer (922), and the sand stone layer (921) is located on one side, close to the drain pipe (110), of the activated carbon layer (922).