CN220666414U - Sewage intercepting well - Google Patents
Sewage intercepting well Download PDFInfo
- Publication number
- CN220666414U CN220666414U CN202321901496.0U CN202321901496U CN220666414U CN 220666414 U CN220666414 U CN 220666414U CN 202321901496 U CN202321901496 U CN 202321901496U CN 220666414 U CN220666414 U CN 220666414U
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- water
- pump
- type liquid
- differential pressure
- water pump
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- 239000010865 sewage Substances 0.000 title abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 158
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000005086 pumping Methods 0.000 abstract description 6
- 230000005059 dormancy Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a sewage interception well which comprises a water collection well provided with a water inlet pipe, a water pump and a differential pressure type liquid level meter, wherein the water pump is connected with an output pipe, an overflow retaining wall is arranged in the water collection well, the top of the overflow retaining wall is lower than the top of the water collection well, the water collection well is divided into a left cavity and a right cavity by the overflow retaining wall, the water pump and the differential pressure type liquid level meter are positioned in the right cavity, and the left cavity is communicated with an overflow drain pipe. During normal operation, rainwater enters the water collecting well to reach the upper water level, the differential pressure type liquid level meter is powered on, the water pump is started, and the output pipe is used for draining water outwards; when the water level drops to the lower water level, the water pump is stopped. When heavy rain occurs, the water pumping quantity of the water pump is smaller than the rainwater quantity, the differential pressure type liquid level meter senses the ultrahigh water level, the rainwater overflows from the overflow retaining wall, meanwhile, the water pump stops, the water pump enters dormancy, and intermittent drainage is performed until the differential pressure type liquid level meter senses the lower water level. This design can make the rainwater in the sump pit obtain excreteing, can make the dirt intercepting well automatic recovery to normal operating condition.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a sewage intercepting well.
Background
The sewage intercepting well is a sewage intercepting well special for urban combined system pipelines, is generally arranged at the junction of a rainwater pipe and a sewage pipe, has the function of preventing sewage from being directly discharged into rivers and lakes, and can lead the intercepted sewage to a sewage pipe network or a sewage treatment plant for retreatment, thereby avoiding polluting water bodies and being a necessary facility for the non-point source pollution tail end treatment technology.
The dirt interception well comprises a water collection well, a water pump and a differential pressure type liquid level meter, wherein the water pump and the differential pressure type liquid level meter are arranged in the water collection well. Rainwater enters the water collecting well through the water inlet pipe, the water level rises to the upper water level set height, the differential pressure type liquid level meter is powered on, the water pump is started, and the output pipe is used for draining water outwards. When the water level drops to the lower water level set point, the water pump stops. This cycle is the normal operating condition of the intercepting well. However, if heavy rain is encountered, the water pumping amount of the water pump is smaller than the rainwater amount, and the water level in the water collecting well exceeds the upper water level, at this time, even if the water pump continuously works, the rainwater in the water collecting well can still go up and cannot be drained.
Disclosure of Invention
The technical problems solved by the utility model are as follows: under the condition that the water pumping quantity of the water pump is smaller than the rainwater quantity, how to drain the rainwater in the water collecting well and enable the sewage interception well to recover to a normal working state.
In order to solve the technical problems, the utility model provides the following technical scheme: the sewage interception well comprises a water collection well provided with a water inlet pipe, a water pump and a differential pressure type liquid level instrument, wherein the water pump is connected with an output pipe, an overflow retaining wall is arranged in the water collection well, the top of the overflow retaining wall is lower than the top of the water collection well, the water collection well is divided into a left cavity and a right cavity by the overflow retaining wall, the water pump and the differential pressure type liquid level instrument are positioned in the right cavity, and the left cavity is communicated with an overflow drain pipe; the differential pressure type liquid level meter can sense three water levels, namely a lower water level, an upper water level and an ultrahigh water level, wherein the ultrahigh water level is equal to or lower than the height of the overflow retaining wall.
The differential pressure type liquid level meter is connected with a main control unit, and the main control unit is connected with a water pump. The pressure difference type liquid level meter feeds back the sensed lower water level, upper water level or ultrahigh water level to the main control unit, and the main control unit controls the water pump to start and stop according to the signal fed back by the pressure difference type liquid level meter.
Rainwater flows into a right cavity of the water collecting well through a water inlet pipe, the water level in the right cavity rises to the set upper water level, the differential pressure type liquid level meter is powered on, the water pump is started, and the output pipe is used for draining water outwards. When the water level drops to the lower water level set point, the water pump stops. This cycle is the normal operating condition of the intercepting well.
If heavy rain is met, the water pumping quantity of the water pump is smaller than the rainwater quantity, the water level in the right cavity of the water collecting well exceeds the upper water level, the ultra-high water level is reached, the differential pressure type liquid level meter senses the ultra-high water level, the rainwater overflows from the overflow retaining wall to the right cavity, enters the left cavity of the water collecting well, and is discharged through the overflow drain pipe; meanwhile, the water pump stops, and enters dormancy, the water pump is activated once every one hour, the water pump is started for 5 minutes, and when the differential pressure type liquid level meter senses the lower water level, the water pump enters a normal working state. If the differential pressure type liquid level meter senses a higher liquid level, the water pump continues to sleep, and the water pump is activated once again after one hour. This is cycled until the differential gauge senses the lower water level.
According to the utility model, the overflow retaining wall and the overflow drain pipe are arranged, so that rainwater in the water collecting well can be drained under the condition that the water pumping quantity of the water pump is smaller than the rainwater quantity, and the sewage interception well can be restored to a normal working state by matching with the control mode of the differential pressure type liquid level meter and the main control unit on the water pump.
The water pump comprises an A pump and a B pump, and the A pump and the B pump are connected with the output pipe. The main control unit is connected with the pump A and the pump B. The pump A is a using pump in a normal working state of the sewage interception well, and the pump B is a standby pump. And when the pump A is out of phase, overloaded, blocked in a water inlet and overtemperature, the main control unit can automatically replace the standby water pump and upload alarm information.
The main control unit is arranged in an intelligent control cabinet, and the intelligent control cabinet is located on the ground. The ground is provided with a well cover, and the well cover seals the water collecting well.
The top of intelligent control cabinet is equipped with 4G sucking disc antenna, and 4G sucking disc antenna is connected with the main control unit. The remote control end can be connected with the main control unit in a wireless mode, and therefore any water pump can be turned off or turned on in a remote shielding mode. When meeting super high liquid level (heavy rain), the main control unit transmits alarm information to the remote control end in a wireless mode, and the alarm information is uploaded once per hour.
Drawings
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a schematic illustration of a shut-in well;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a flow chart of a shut-in well operation.
The symbols in the drawings illustrate:
10. a water collection well; 11. a water inlet pipe;
20. differential pressure type liquid level instrument;
30. an output pipe; 31. a pump A; 32. b, a pump;
40. an overflow retaining wall; 41. an overflow drain pipe;
50. an intelligent control cabinet; 51. a 4G sucker antenna;
60. and (3) a well cover.
Detailed Description
Referring to fig. 1 and 2, a sewage interception well comprises a water collection well 10 provided with a water inlet pipe 11, a water pump and a differential pressure type liquid level meter 20 which are arranged in the water collection well, wherein the water pump is connected with an output pipe 30, an overflow retaining wall 40 is arranged in the water collection well, the top of the overflow retaining wall is lower than the top of the water collection well, the water collection well is divided into a left cavity and a right cavity by the overflow retaining wall, the water pump and the differential pressure type liquid level meter are positioned in the right cavity, and the left cavity is communicated with an overflow drain pipe 41; the differential pressure type liquid level meter can sense three water levels, namely a lower water level, an upper water level and an ultrahigh water level, wherein the ultrahigh water level is equal to or lower than the height of the overflow retaining wall.
The differential pressure type liquid level meter 20 is connected with a main control unit, and the main control unit is connected with a water pump. The differential pressure type liquid level meter 20 feeds back the sensed lower water level, upper water level or ultrahigh water level to the main control unit, and the main control unit controls the water pump to start and stop according to the signal fed back by the differential pressure type liquid level meter.
Referring to fig. 3, in a normal operation state, rainwater is fed into a right chamber of the water collecting well 10 through the water inlet pipe 11, the water level in the right chamber rises to an upper water level set height, the pressure difference type liquid level meter 20 is powered on, the water pump is started, and the output pipe 30 is discharged outwards. When the water level drops to the lower water level set point, the water pump stops.
If heavy rain is met, the water pumping quantity of the water pump is smaller than the rainwater quantity, the water level in the right cavity of the water collecting well 10 exceeds the upper water level to reach the ultrahigh water level, the differential pressure type liquid level meter 20 senses the ultrahigh water level, the rainwater overflows from the overflow retaining wall 40 to the right cavity, enters the left cavity of the water collecting well 10, and is discharged through the overflow drain pipe 41; meanwhile, the water pump stops, and enters dormancy, the water pump is activated once every one hour, the water pump starts for 5 minutes, and when the differential pressure type liquid level meter 20 senses the lower water level, the water pump enters a normal working state.
As shown in FIG. 2, the pump includes a pump 31 and a pump 32, both of which are connected to the output pipe 30. The main control unit is connected with an A pump 31 and a B pump 32. The pump 31 a is a pump used in a normal operation state of the intercepting well, and the pump 32B is a backup pump. And when the pump A is out of phase, overloaded, blocked in a water inlet and overtemperature, the main control unit can automatically replace the standby water pump and upload alarm information.
The main control unit is arranged in an intelligent control cabinet 50, which is located on the ground. A well cover 60 is arranged on the ground, and the well cover seals the water collecting well 10.
The top of intelligent control cabinet 50 is equipped with 4G sucking disc antenna 51,4G sucking disc antenna and is connected with the main control unit. The remote control end can be connected with the main control unit through the 4G sucker antenna 51 in a wireless mode, so that the remote shielding is realized, any water pump is turned off or on, and alarm information is received.
The foregoing is merely illustrative of the preferred embodiments of the present utility model, and modifications in detail will readily occur to those skilled in the art based on the teachings herein without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a dirt intercepting well, is including being equipped with water catch pit (10) of inlet tube (11), setting up water pump and differential pressure type liquid level meter (20) in the water catch pit, and the water pump is connected its characterized in that with output tube (30): an overflow retaining wall (40) is arranged in the water collecting well, the top of the overflow retaining wall is lower than the top of the water collecting well, the water collecting well is divided into a left cavity and a right cavity by the overflow retaining wall, the water pump and the differential pressure type liquid level meter are positioned in the right cavity, and the left cavity is communicated with an overflow drain pipe (41); the differential pressure type liquid level meter can sense three water levels, namely a lower water level, an upper water level and an ultrahigh water level, wherein the ultrahigh water level is equal to or lower than the height of the overflow retaining wall.
2. A dirt trap as defined in claim 1 wherein: the water pump comprises an A pump (31) and a B pump (32), and the A pump and the B pump are both connected with the output pipe (30).
3. A dirt trap as defined in claim 2 wherein: the differential pressure type liquid level meter (20) is connected with a main control unit, and the main control unit is connected with an A pump (31) and a B pump (32).
4. A dirt trap according to claim 3, wherein: the main control unit is arranged in an intelligent control cabinet (50), and the intelligent control cabinet is located on the ground.
5. A dirt trap as defined in claim 4 wherein: the top of intelligent control cabinet (50) is equipped with 4G sucking disc antenna (51), and 4G sucking disc antenna is connected with the main control unit.
6. A dirt trap as defined in claim 4 wherein: the ground is provided with a well cover (60) which seals the water collecting well (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321901496.0U CN220666414U (en) | 2023-07-19 | 2023-07-19 | Sewage intercepting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321901496.0U CN220666414U (en) | 2023-07-19 | 2023-07-19 | Sewage intercepting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220666414U true CN220666414U (en) | 2024-03-26 |
Family
ID=90353452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321901496.0U Active CN220666414U (en) | 2023-07-19 | 2023-07-19 | Sewage intercepting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220666414U (en) |
-
2023
- 2023-07-19 CN CN202321901496.0U patent/CN220666414U/en active Active
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