CN218970173U - A rain and sewage diversion system for outdoor source pollution - Google Patents

Abstract

The utility model relates to a rain and sewage diversion system for outdoor source pollution. It is applicable to the field of environmental municipal technology. The technical scheme adopted by the utility model is: a rain and sewage diversion system for outdoor surface source pollution, which is characterized in that it has a sewage ditch surrounding the outside of the surface source pollution area and a rainwater ditch and a sewage ditch surrounding the outside of the sewage ditch. The bottom is connected with the municipal sewage pipeline through the sewage drain pipe, and the bottom of the rain gutter is connected with the municipal rainwater pipeline through the rainwater drain pipe. In this way, in the process of rainfall or daily cleaning, the sewage formed by the combination of rainwater or cleaning water and pollutants in the open-air non-point source pollution area will preferentially flow into the sewage ditch surrounded by the outside of the non-point source pollution area, and be discharged to the municipal sewage pipeline When the rainwater in the area outside the non-point source polluted area flows to the non-point source polluted area during the flow process, it will flow into the rainwater ditch surrounded by the sewage ditch and be discharged into the municipal rainwater pipeline to realize the separate collection of sewage and rainwater.

Description

A rain and sewage diversion system for outdoor source pollution

technical field

The utility model relates to a rain and sewage diversion system for outdoor source pollution. It is applicable to the field of environmental municipal technology.

Background technique

At present, in the process of urban development, it is necessary to comprehensively strengthen the construction of supporting facilities for sewage treatment. In the existing urban construction, there are still many urban villages, old urban areas and urban-rural fringe areas. The supporting facilities for sewage treatment in these areas are relatively backward and have little connection with the supporting facilities for sewage in the city. The existing combined drainage system should speed up the transformation of rainwater and sewage diversion, and if it is difficult to transform, measures such as interception, regulation and storage, and treatment should be taken. Except for arid areas, the construction of new urban districts implements rain and sewage diversion, and areas where conditions permit should promote initial rainwater collection, treatment, and resource utilization. Among them, the control of urban open-air non-point source pollution is a difficult point and chronic disease in water pollution prevention and control actions. The current conventional design methods include interception method, storage method, and abandoned well method. Among them, the interception method is the simplest, but the effect is difficult to control; the regulation and storage method is costly, and only achieves staggered peak discharge, and the effect evaluation is mediocre; the abandonment well method has high cost and frequent maintenance.

Utility model content

The technical problem to be solved by the utility model is: aiming at the defects faced by the above-mentioned open-air surface source polluted sewage treatment, the utility model provides an outdoor surface source pollution control system that can conveniently separate the sewage in the open-air surface source polluted area from the rainwater in other areas. Rain and sewage diversion system.

The technical solution adopted by the utility model is: a rain and sewage diversion system for outdoor surface source pollution, which is characterized in that: it has a sewage ditch surrounded outside the surface source pollution area and a rainwater ditch surrounded and arranged outside the sewage ditch, the sewage ditch The bottom is connected with the municipal sewage pipeline through the sewage drain pipe, and the bottom of the rain gutter is connected with the municipal rainwater pipeline through the rainwater drain pipe. In this way, in the process of rainfall or daily cleaning, the sewage formed by the combination of rainwater or cleaning water and pollutants in the open-air non-point source pollution area will preferentially flow into the sewage ditch surrounded by the outside of the non-point source pollution area, and pass through the bottom of the sewage ditch. The sewage drainage pipe discharges the sewage in the non-point source polluted area into the municipal sewage pipe; when the rainwater in the area outside the non-point source polluted area flows to the non-point source polluted area during the flow process, it will flow into the rainwater ditch surrounded by the sewage ditch , and discharge the rainwater outside the non-point source pollution area into the municipal rainwater pipeline through the rainwater drainage pipe at the bottom of the rainwater ditch, so as to realize the separate collection of sewage and rainwater.

Ditch grid cover plates are paved on the sewage ditch and the rain gutter. In this way, the ditch grille cover plate plays a good role in filtering, and can effectively filter out impurities flowing into the rain gutter or sewage ditch with rainwater or sewage, so as to avoid blockage of the rainwater drain pipe in the rain gutter and the sewage drain pipe in the sewer ditch.

A rainwater well is arranged at the junction of the rainwater drainage pipe and the municipal rainwater pipe, and the height of the rainwater drainage pipe installed on the rainwater well is higher than that of the municipal rainwater pipe installed on the rainwater well. In this way, the rainwater flowing into the rainwater well from the rainwater drainage pipe is convenient to flow into the municipal rainwater pipe, and at the same time, it is convenient for personnel to check and repair the rainwater drainage pipe and the municipal rainwater pipe by entering the rainwater well.

The top of the rainwater well penetrates to the outside of the ground, and a rainwater well cover is arranged on the top of the rainwater well. In this way, by opening the rainwater well cover, it is convenient for people to enter the rainwater well, and at the same time, the rainwater well cover can effectively prevent people from falling into the rainwater well.

A sewage well is arranged at the junction of the sewage drainage pipe and the municipal sewage pipe, and the height of the sewage drainage pipe installed on the sewage well is higher than the height of the municipal sewage pipe installed on the sewage well. In this way, it is convenient for the sewage flowing into the sewage well from the sewage drainage pipe to flow into the municipal sewage pipe, and at the same time, it is convenient for personnel to check and repair the sewage drainage pipe and the municipal sewage pipe by entering the sewage well.

The top of the sewage well penetrates to the outside of the ground, and a sewage well cover is arranged on the top of the sewage well. In this way, by opening the sewage well cover, it is convenient for personnel to enter the sewage well, and at the same time, the sewage well cover can effectively prevent personnel from falling into the sewage well.

The beneficial effects of the utility model are: the utility model surrounds the sewage ditch arranged outside the area source pollution area to collect sewage in the area source pollution area, surrounds the rainwater ditch arranged outside the sewage ditch to collect rainwater outside the area source pollution area, It can simply and effectively solve the problem of open-air non-point source pollution. At the same time, through the rainwater well arranged at the junction of the rainwater drainage pipe and the municipal rainwater pipe and the sewage well arranged at the junction of the sewage drainage pipe and the municipal sewage pipe, it is convenient to repair the rainwater drainage pipe, the municipal rainwater pipe, the sewage drainage pipe and the municipal sewage pipe.

Description of drawings

Fig. 1 is a schematic diagram of the plane layout of the design method of the present utility model;

Fig. 2 is the utility model A-A sectional schematic diagram;

Fig. 3 is the utility model B-B sectional schematic diagram.

In the figure: 1. Sewage ditch; 2. Rainwater ditch; 3. Ditch grille cover; 4. Sewage drainage pipe; 5. Sewage well; 6. Municipal sewage pipe; 7. Sewage well cover; 8. Rainwater well; 9. Municipal rainwater pipes; 10. Rainwater well covers; 11. Non-point source pollution areas; 12. Rainwater drainage pipes.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the utility model and the utility model is not limited to the following examples.

This embodiment is a rain and sewage diversion system for outdoor source pollution, which is arranged outside the outdoor source pollution area 11, and is used to separate the sewage in the outdoor source pollution area 11 from the rainwater outside the outdoor source pollution area 11 during rainfall. deal with.

In this embodiment, a sewage ditch 1 is arranged around the outside of the surface source pollution area 11. A ditch grid cover plate 3 is laid on the surface of the sewage ditch 1. A sewage drain pipe 4 is connected to the bottom of the sewage ditch 1. The sewage drain pipe The end of 4 is connected in the sewage well 5 outside the non-point source pollution area 11, and the inlet end of the sewage well 5 is connected with the sewage drainage pipe 4, and the outlet end of the sewage well 5 is connected with the municipal sewage pipe 6, and the municipal sewage on the sewage well 5 The installation position of the pipe 6 is lower than the installation position of the sewage discharge pipe 4 . In this embodiment, the top of the sewage well 5 extends to the ground, and a sewage well cover 7 is laid on the top of the sewage well 5 . In this way, when there is a lot of sewage accumulated in the down source pollution area 11 under rainfall or other conditions and flows outside the area 11, the sewage will preferentially flow into the sewage ditch 1 which is arranged outside the area 11 outside the area source pollution area. The ditch grille cover plate 3 at the top of the ditch 1 has a good filtering effect on the sewage flowing into the sewage ditch 1, and can effectively prevent impurities from entering the sewage ditch 1 with the sewage, causing the sewage drainage ditch to be blocked. The sewage well cover 7 arranged on the top of the sewage well 5 can effectively prevent people from falling into the sewage well 5, and at the same time, by opening the sewage well cover 7, it is convenient for personnel to enter the sewage well 5 to overhaul the sewage drain pipe 4 and the municipal sewage pipe 6. The installation position of the sewage drain pipe 4 on the sewage well 5 is higher than the installation position of the municipal sewage pipe 6 on the sewage well 5, so that the sewage flowing into the sewage well 5 from the sewage drain pipe 4 flows in the municipal sewage pipe 6.

In the present embodiment, a rainwater ditch 2 is arranged around the outside of the sewage ditch 1, a ditch grid cover plate 3 is paved on the surface of the rainwater ditch 2, and a rainwater drain pipe 12 is connected to the bottom of the rainwater ditch 2. The end is connected in the rainwater well 8 outside the surface source pollution area 11, the inlet end of the rainwater well 8 is connected with the rainwater drainage pipe 12, the outlet end of the rainwater well 8 is connected with the municipal rainwater pipe 9, and the installation of the municipal rainwater pipe 9 on the rainwater well 8 The location rains on the installation location of the rainwater drainpipe 12. In this embodiment, the top of the rainwater well 8 extends to the ground, and a rainwater well cover 10 is paved on the top of the rainwater well 8 . In this way, when rainwater or other conditions accumulate more rainwater outside the source pollution area 11 and flow in the area 11, the rainwater will preferentially flow into the rainwater ditch 2 that is arranged on the outside of the sewage ditch 1 and is arranged in the rainwater ditch 2. The top ditch grid cover plate 3 has a good filtering effect on the rainwater flowing into the rainwater ditch 2, and can effectively prevent impurities from entering the rainwater ditch 2 with the rainwater, causing the rainwater drainage ditch to be blocked. The rainwater well cover 10 that is arranged on the top of the rainwater well 8 can effectively prevent people from falling into the rainwater well 8, and at the same time, by opening the rainwater well cover 10, it is convenient for personnel to enter the rainwater well 8 to repair the rainwater drain pipe 12 and the municipal rainwater pipe 9. The installation position of rainwater drainpipe 12 on rainwater well 8 is higher than the installation position of municipal rainwater pipe 9 on rainwater well 8, so that the rainwater that flows into rainwater well 8 from rainwater drainpipe 12 flows in municipal rainwater pipe 9.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A rainwater diversion system for outdoor surface source pollution, characterized in that: there is a sewage ditch (1) surrounded by a surface source pollution area (11) outside and a rainwater ditch (2) surrounded by a sewage ditch (1) outside ), the bottom of the sewage ditch (1) is connected with the municipal sewage pipe (6) through the sewage drain pipe (4), and the bottom of the rain gutter (2) is connected with the municipal rainwater pipe (9) through the rain drain pipe (12). 2. The rain and sewage diversion system of a kind of outdoor source pollution according to claim 1, is characterized in that: the ditch grating cover plate ( 3). 3. A rainwater diversion system for outdoor source pollution according to claim 1, characterized in that: a rainwater well (8) is provided at the junction of the rainwater drainage pipe (12) and the municipal rainwater pipe (9) , the height of the rainwater drainage pipe (12) installed on the rainwater well (8) is higher than the height of the municipal rainwater pipe (9) installed on the rainwater well (8). 4. A kind of rainwater diversion system for outdoor source pollution according to claim 3, characterized in that: the top of the rainwater well (8) penetrates outside the ground, and a rainwater well cover ( 10). 5. The rain and sewage diversion system of a kind of outdoor source pollution according to claim 1, characterized in that: a sewage well (5) is arranged at the junction of the sewage drainage pipe (4) and the municipal sewage pipe (6) ), the sewage drainpipe (4) is installed on the height of the sewage well (5) higher than the height of the municipal sewage pipe (6) installed on the sewage well (5). 6. A rainwater diversion system for outdoor source pollution according to claim 5, characterized in that: the top of the sewage well (5) penetrates to the outside of the ground, and a sewage well cover ( 7).

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