CN210421354U - Initial rainwater separation device of urban drainage system - Google Patents
Initial rainwater separation device of urban drainage system Download PDFInfo
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- CN210421354U CN210421354U CN201921040850.9U CN201921040850U CN210421354U CN 210421354 U CN210421354 U CN 210421354U CN 201921040850 U CN201921040850 U CN 201921040850U CN 210421354 U CN210421354 U CN 210421354U
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Abstract
The utility model discloses a municipal drainage system initial stage rainwater separator, including catchment mouth, separation well, bilge well and rainwater well, it communicates with each other with the separation well to catchment the mouth, the bottom of separation well communicates with each other with the bilge well through the sewer pipe, be provided with the sewer valve on the sewer pipe, the bottom of separation well leads to the downspout and communicates with each other with the rainwater well, be provided with the rainwater valve on the rainwater pipe, the bottom of bilge well is provided with the blow off pipe, and the bottom of rainwater well is provided with the drain pipe. This device can be at drainage system's the department of intaking with initial stage rainwater separation, and the initial stage rainwater of avoiding carrying a large amount of pollutants directly gets into urban drainage system and causes the pollution to the urban water, alleviates the urban water source pollution problem that rainfall in-process rainwater runoff arouses.
Description
Technical Field
The utility model relates to a drainage system field, concretely relates to urban drainage system initial stage rainwater separator.
Background
Along with the continuous expansion of the urban scale in China, the land utilization type changes greatly, the specific gravity of the impervious pavement is increased gradually, the ground runoff coefficient is increased remarkably, and the urban rainfall runoff is increased steeply. In the early stage of rainfall, the pollution caused by the rainwater runoff flushing road becomes one of the main causes of the deterioration of the water quality of the urban water body.
In the early stage of rainfall, rainwater leaches air to wash urban roads, buildings and wastes, and then a large amount of pollutants such as suspended solids, organic matters, heavy metals, grease, pathogens and the like are contained, and the sources of the pollutants mainly comprise concrete road garbage, pollutants generated by automobiles, roofing building materials, urban sewage and the like. Most pollutant indexes in the initial rainwater exceed the V-type standard of the surface water environment quality and seriously exceed the standard of discharging into natural water, and if the initial rainwater is not treated and is directly discharged into urban water, the urban water can be seriously polluted.
In the prior art, the initial rainwater regulation and storage tank is arranged at the tail end of a rainwater pipe for runoff pollution control, the initial rainwater is not thoroughly separated in the mode, the volume of the rainwater storage tank is large, the impact load on a downstream sewage pipe network is large, and the initial rainwater and the later rainwater are seriously mixed, so that the source treatment of the initial rainwater in the city is very necessary.
At present, rainwater grates are laid on two sides of an urban road and are the first link for collecting rainwater. Rainfall is drained into a rainwater pipeline through the pavement runoff and the rainwater grate and then is drained into a downstream water body. Under the scouring action of rainwater on the road surface, the rainwater in the initial stage contains a large amount of surface pollutants, and the rainwater is discharged into a water body to cause pollution. If measures can be added to thoroughly and effectively separate initial rainwater and later rainwater, the management is convenient, the energy is saved, the emission is reduced, the manufacturing cost is low, and the problem of urban non-point source pollution caused by rainwater runoff in the rainfall process is greatly relieved, so that the method has very important significance for the country to comprehensively push sponge cities and promote the construction and technical progress of urban municipal infrastructure in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a city drainage system initial stage rainwater separator is provided, with initial stage rainwater separation in drainage system's the department of intaking, alleviate the urban water source pollution problem that rainfall in-process rainwater runoff arouses.
The utility model provides a technical scheme that technical problem adopted is: urban drainage system initial stage rainwater separator, including catchmenting mouth, separation well, bilge well and rainwater well, catchment mouth and separation well communicate with each other, the bottom of separation well communicates with each other with the bilge well through the sewage pipe, be provided with the bilge valve on the sewage pipe, the bottom of separation well communicates with each other with the rainwater well through the downspout, be provided with the rainwater valve on the downspout, the bottom of bilge well is provided with the blow off pipe, and the bottom of rainwater well is provided with the drain pipe.
Further, the rainwater valve control system further comprises a controller, the sewage valve and the rainwater valve are electromagnetic valves, and the sewage valve and the rainwater valve are connected with the controller.
Further, the water level control device further comprises a water level container, wherein a lower water level sensor and an upper water level sensor are arranged in the water level container, and the lower water level sensor and the upper water level sensor are both connected with the controller.
Further, still include solar energy power generation component, solar energy power generation component is connected with the battery, sewage valve, rainwater valve and controller all are connected with the battery electricity.
Further, be provided with the coupling in the separator well, the mouth that catchments passes through the inlet tube and links to each other with the coupling, downspout and sewer pipe all link to each other with the coupling.
Furthermore, the pipe joint is a four-way joint, the water inlet pipe, the rainwater pipe and the sewage pipe are respectively connected with one interface of the pipe joint, the other interface of the pipe joint is a cleaning port, and a plugging piece is arranged at the cleaning port.
Further, the rainwater pipe is communicated with the drain pipe, and the sewage pipe is communicated with the sewage discharge pipe.
Further, the diameters of the upper parts of the sewage well and the rainwater well are smaller than the diameters of the lower parts.
Compared with the prior art, the beneficial effects of the utility model are that: the separation well, the sewage well and the rainwater well are arranged beside a road, the water collecting port is a water outlet beside the road, when raining, ground runoff enters the separation well through the water collecting port, the sewage valve is opened, the rainwater valve is closed, early rainwater containing a large amount of pollutants enters the sewage well through the sewage pipe, and then the rainwater is conveyed to a sewage treatment plant through the sewage pipe to be treated. After a period of time, the sewage valve is closed, the rainwater valve is opened, and the relatively clean rainwater in the middle and later periods enters the rainwater well through the rainwater pipe and then enters the urban drainage system through the drainage pipe. To sum up, this device can be at drainage system's the department of intaking with initial stage rainwater separation, and the initial stage rainwater of avoiding carrying a large amount of pollutants directly gets into urban drainage system and causes the pollution to the urban water, alleviates the urban water source pollution problem that rainfall in-process rainwater runoff arouses.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Reference numerals: 1-a separation well; 2-a bilge well; 3-catch basin; 4, a water collecting port; 5-a sewage pipe; 6-a sewage valve; 7-a rain pipe; 8-raindrop valve; 9-a sewage draining pipe; 10, a drain pipe; 11-a controller; 12-water level container; 13-lower water level sensor; 14-upper water level sensor; 15-solar power generation assembly; 16-a storage battery; 17-pipe joint; 18-a water inlet pipe; 19-clean the mouth.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses an initial stage rainwater separator of urban drainage system, as shown in figure 1 and figure 2, including catchment mouth 4, separation well 1, bilge well 2 and rainwater well 3, catchment mouth 4 communicates with each other with separation well 1, the bottom of separation well 1 communicates with each other with bilge well 2 through sewer pipe 5, be provided with sewage valve 6 on the sewer pipe 5, the bottom of separation well 1 communicates with each other with rainwater well 3 through rainwater pipe 7, be provided with rainwater valve 8 on rainwater pipe 7, the bottom of bilge well 2 is provided with blow off pipe 9, and rainwater well 3's bottom is provided with drain pipe 10.
The water collecting port 4 is used for collecting surface runoff rainwater, and an existing water outlet beside a road can be adopted. The separation well 1 is a well for collecting rainwater and separating initial rainwater, the sewage well 2 is a well for collecting initial rainwater carrying a large amount of pollutants, and the rainwater well 3 is a well for collecting relatively clean rainwater in middle and later periods. The separation well 1, the sewage well 2 and the rainwater well 3 are a set of separation system, which is built beside the road, and a set of separation system is built at intervals, and the multiple sets of separation systems on the same road can be drained by adopting the same drain pipe 10 and the same blow-off pipe 9.
The working process of the device is as follows: when raining, surface runoff enters the separation well 1 through the water collecting port 4, when raining is started, rainwater is initial rainwater containing a lot of pollutants, the sewage valve 6 is opened, the rainwater valve 8 is closed, the initial rainwater in the separation well 1 enters the sewage well 2 through the sewage pipe 5 and then flows to a sewage treatment plant along with the sewage pipe 9, and after the initial rainwater is treated by the sewage treatment plant, the rainwater is discharged into urban water or is utilized. Along with the lapse of the raining time, the pollutant content in the rainwater is gradually reduced, when the rainfall reaches a certain amount, the rainwater can be discharged into the urban drainage system without being treated, at the moment, the sewage valve 6 is closed, the rainwater valve 8 is opened, the relatively clean rainwater at the middle and later periods enters the rainwater well 3 through the rainwater pipe 7 and then is discharged into the urban drainage system through the drainage pipe 10.
The sewage valve 6 and the rainwater valve 8 can adopt manually operated valves, and manual switches are needed on manual sites, so that the operation is inconvenient. Therefore, the utility model discloses still include controller 11, sewage valve 6 and rainwater valve 8 are the solenoid valve, and sewage valve 6 and rainwater valve 8 all link to each other with controller 11. The controller 11 can adopt the existing conventional control elements, the sewage valve 6 and the rainwater valve 8 adopt one-way electromagnetic valves, and after being connected with the controller 11 through cables, the opening and closing of the sewage valve 6 and the rainwater valve 8 can be controlled through the controller 11, so that manual operation is replaced, and the efficiency is high.
In order to enable the controller 11 to open the sewage valve 6 and close the rainwater valve 8 when the controller starts to rain, close the sewage valve 6 after initial rainwater is separated, and open the rainwater valve 8 at the same time, a sensor for detecting rainwater can be arranged, the sensor can detect rainwater and transmit a signal to the controller 11 when the controller 11 is in rain, the controller 11 controls the sewage valve 6 to be opened, and early rainwater with high pollutant content can enter the sewage well 2. The opening of the rainwater valve 8 can be controlled according to the duration of rainfall, if the pollutant carried in the rainwater is reduced to the requirement after the rainfall lasts for 1 hour, 1.5 hours or 2 hours, the controller 11 can control the sewage valve 6 to be closed after the rainfall lasts for 1 hour, 1.5 hours or 2 hours, and simultaneously control the rainwater valve 8 to be opened, so that the rainwater in the middle and later periods with lower pollutant content can enter the rainwater well 3 through the rainwater pipe 7. As a more preferable embodiment, the present invention further comprises a water level container 12, wherein a lower water level sensor 13 and an upper water level sensor 14 are disposed in the water level container 12, and the lower water level sensor 13 and the upper water level sensor 14 are both connected to the controller 11. The water level container 12 is a general cylindrical or cuboid open container, the upper part of the water level container 12 is not shielded, rainwater can enter the water level container 12 when raining, the lower water level sensor 13 and the upper water level sensor 14 are elements capable of detecting water depth, the lower water level sensor 13 is installed at the bottom of the water level container 12, when the rainfall reaches a certain amount, the rainwater level can be detected, signals are transmitted to the controller 11, the controller 11 controls the opening of the sewage valve 6, the rainwater valve 8 is closed, and initial rainwater enters the sewage well 2. Along with the increase of rainfall, when the rainwater level in the water level container 12 reaches the upper water level sensor 14, the upper water level sensor 14 detects a rainwater level signal and transmits the signal to the controller 11, the controller 11 controls the sewage valve 6 to be closed, the rainwater valve 8 is opened, the initial rainwater with high pollutant content is separated, and the clean middle and later rainwater enters the rainwater well 3. The height of the liquid level in the water level container 12 is related to the rainfall amount, and the pollutant content in the rainwater is gradually reduced along with the increase of the rainfall amount, so that the rainfall amount of which the pollutant content in the rainwater meets the standard of being directly discharged into the urban drainage system is tested or calculated according to the actual conditions of a city, and the height position of the upper water level sensor 14 is determined according to the water amount, so that when the rainwater level in the water level container 12 reaches the upper water level sensor 14, the pollutant content in the rainwater is small, and the rainwater can be directly discharged into the urban drainage system.
The power of power consumptive elements such as controller 11, solenoid valve can adopt the commercial power, and for the energy saving, reduce the energy consumption, the utility model discloses still include solar energy power generation subassembly 15, solar energy power generation subassembly 15 is connected with battery 16, sewage valve 6, rainwater valve 8 and controller 11 all are connected with battery 16 electricity. The solar power generation module 15 and the storage battery 16 may be conventionally used, and the solar power generation module 15 generates power by using solar energy and stores electric energy in the storage battery 16, and the storage battery 16 supplies power to each power consumption element. Because the working frequency of the controller 11, the electromagnetic valve and other elements is low, the power consumption is low, and the power supply of the solar power generation assembly 15 can meet the power consumption requirement.
A pipe joint 17 is arranged in the separation well 1, the water collecting port 4 is connected with the pipe joint 17 through a water inlet pipe 18, and the rainwater pipe 7 and the sewage pipe 5 are both connected with the pipe joint 17. Rainwater directly enters the rainwater pipe 7 or the sewage pipe 5 through the pipe joint 17 after entering the separation well 1 through the water inlet pipe 18, so that the separation well 1 is prevented from being washed and soaked, and the service life of the separation well 1 is ensured.
The pipe joint 17 can be a tee joint, preferably, the pipe joint 17 is a four-way joint, the water inlet pipe 18, the rainwater pipe 7 and the sewage pipe 5 are respectively connected with one connector of the pipe joint 17, the other connector of the pipe joint 17 is a cleaning opening 19, and a plugging piece is arranged at the cleaning opening 19. As the initial rainwater contains more solid impurities and can cause blockage after entering the pipe joint 17, the pipe joint 17 is a four-way joint, the total number of the joints is 4, three of the joints are respectively connected with the water inlet pipe 18, the rainwater pipe 7 and the sewage pipe 5, the other joint is used as a cleaning opening 19, when the device is in normal operation, the cleaning opening 19 is sealed by utilizing a plugging piece such as a sealing cover, and when solid garbage needs to be cleaned, the cleaning opening 19 is opened for cleaning.
Rainwater can be discharged into the sewage well 2 or the rainwater well 3 firstly, then flows into the drain pipe 9 or the drain pipe 10, preferably, the rainwater pipe 7 is directly communicated with the drain pipe 10, and the sewage pipe 5 is directly communicated with the drain pipe 9, so that rainwater is prevented from scouring the sewage well 2 or the rainwater well 3.
The diameters of the upper parts of the sewage well 2 and the rainwater well 3 are smaller than the diameters of the lower parts, so that the size of a well mouth can be reduced, meanwhile, the lower parts are guaranteed to have enough overhaul and operation spaces, and the stability of the well is improved.
The device can separate initial rainwater at the front end of a rainwater system, is more thorough compared with the prior art, does not need to be provided with a rainwater reservoir, only needs to be provided with one device, has the specification similar to a valve well, occupies small area and is convenient for construction in cities; the electromagnetic valve has low electric quantity demand, the solar power supply can completely meet the demand, and one solar power supply can be arranged in one region in a centralized manner; the control system has the functions of manual and automatic integration and long-term remote control, and can be integrated into the construction of smart cities.
Claims (8)
1. Urban drainage system initial stage rainwater separator, its characterized in that, including catchment mouth (4), separation well (1), bilge well (2) and rainwater well (3), catchment mouth (4) communicates with each other with separation well (1), the bottom of separation well (1) is passed through sewer pipe (5) and is communicated with each other with bilge well (2), be provided with sewage valve (6) on sewer pipe (5), the bottom of separation well (1) communicates with each other with rainwater well (3) through rainwater pipe (7), be provided with rainwater valve (8) on rainwater pipe (7), the bottom of bilge well (2) is provided with blow off pipe (9), and the bottom of rainwater well (3) is provided with drain pipe (10).
2. The initial rainwater separation device of urban drainage system according to claim 1, further comprising a controller (11), wherein the sewage valve (6) and the rainwater valve (8) are both solenoid valves, and the sewage valve (6) and the rainwater valve (8) are both connected to the controller (11).
3. The initial rainwater separation device of a municipal drainage system according to claim 2, further comprising a water level container (12), wherein a lower water level sensor (13) and an upper water level sensor (14) are disposed in the water level container (12), and both the lower water level sensor (13) and the upper water level sensor (14) are connected to the controller (11).
4. The initial rainwater separation device of urban drainage system according to claim 2 or 3, further comprising a solar power generation assembly (15), wherein a storage battery (16) is connected to the solar power generation assembly (15), and the sewage valve (6), the rainwater valve (8) and the controller (11) are all electrically connected to the storage battery (16).
5. The initial rainwater separation device of urban drainage system according to claim 1, wherein a pipe joint (17) is arranged in the separation well (1), the water collecting port (4) is connected with the pipe joint (17) through a water inlet pipe (18), and the rainwater pipe (7) and the sewage pipe (5) are both connected with the pipe joint (17).
6. The initial rainwater separation device for urban drainage system according to claim 5, wherein the pipe joint (17) is a four-way joint, the water inlet pipe (18), the rainwater pipe (7) and the sewage pipe (5) are respectively connected with one interface of the pipe joint (17), the other interface of the pipe joint (17) is a cleaning port (19), and a plugging piece is arranged at the cleaning port (19).
7. The initial rainwater separation device of urban drainage system according to claim 1, wherein the rainwater pipe (7) is communicated with a drainage pipe (10), and the sewage pipe (5) is communicated with a sewage discharge pipe (9).
8. The initial rainwater separation apparatus of urban drainage system according to claim 1, wherein the diameters of the upper parts of the sewage well (2) and the rainwater well (3) are smaller than the diameters of the lower parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040850.9U CN210421354U (en) | 2019-07-04 | 2019-07-04 | Initial rainwater separation device of urban drainage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040850.9U CN210421354U (en) | 2019-07-04 | 2019-07-04 | Initial rainwater separation device of urban drainage system |
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| CN210421354U true CN210421354U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921040850.9U Active CN210421354U (en) | 2019-07-04 | 2019-07-04 | Initial rainwater separation device of urban drainage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808679A (en) * | 2022-03-23 | 2022-07-29 | 黄河勘测规划设计研究院有限公司 | Intelligent environment-friendly bridge rainwater drainage system |
| CN115506469A (en) * | 2022-11-07 | 2022-12-23 | 北京建筑大学 | Gutter inlet with pollution control and peak staggering discharge functions |
-
2019
- 2019-07-04 CN CN201921040850.9U patent/CN210421354U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808679A (en) * | 2022-03-23 | 2022-07-29 | 黄河勘测规划设计研究院有限公司 | Intelligent environment-friendly bridge rainwater drainage system |
| CN114808679B (en) * | 2022-03-23 | 2024-04-02 | 黄河勘测规划设计研究院有限公司 | Intelligent environment-friendly bridge rainwater drainage system |
| CN115506469A (en) * | 2022-11-07 | 2022-12-23 | 北京建筑大学 | Gutter inlet with pollution control and peak staggering discharge functions |
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