CN217410187U - Precipitation and dust removal system for foundation pit construction - Google Patents
Precipitation and dust removal system for foundation pit construction Download PDFInfo
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- CN217410187U CN217410187U CN202221283834.4U CN202221283834U CN217410187U CN 217410187 U CN217410187 U CN 217410187U CN 202221283834 U CN202221283834 U CN 202221283834U CN 217410187 U CN217410187 U CN 217410187U
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Abstract
The utility model discloses a dewatering and dedusting system for foundation pit construction, which aims to solve the technical problems of waste of water resources in foundation pit dewatering and easy idle rotation and damage of a drainage pump in the dewatering well during continuous work; the system comprises a sedimentation tank, a water-reducing and sedimentation-controlling component and a dust-settling and environment-friendly component; the water-lowering and sediment-controlling assembly comprises a water discharge pump and a water discharge pipeline, one end of the water discharge pipeline is communicated with a water outlet of the water discharge pump, the other end of the water discharge pipeline is communicated with the sedimentation tank, and the water discharge pump is electrically connected with a liquid level relay arranged at a corresponding water level; the dust-settling environment-friendly assembly comprises a booster water pump, a dust-settling pipeline and a fog gun machine air cylinder, one end of the dust-settling pipeline is communicated with the sedimentation tank, the other end of the dust-settling pipeline is communicated with the fog gun machine air cylinder, and the booster water pump is arranged in the dust-settling pipeline to provide a water source for the fog gun machine air cylinder; the utility model provides the high water resource utilization ratio of foundation ditch precipitation has increased the work life of drainage pump, has saved the electric power resource.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to foundation ditch construction dewatering dust pelletizing system.
Background
In the process of urban rail transit foundation pit construction, soil particles in rock and soil mass are locally moved and lost due to the action of underground water, so that the soil mass is destabilized, deformed and damaged, and if no measures are taken, diseases such as quicksand, piping, undermining and the like are very easily caused, so that the stability of the foundation pit and surrounding buildings is seriously threatened, and therefore, the treatment of the underground water is particularly required to be strengthened during the foundation pit construction; and a large amount of dust pollution can accompany in the construction process, along with economic development, the environmental problem arouses more and more extensive attention in recent years, and the solution of the dust pollution problem in urban building construction is an extremely important construction link.
At present, a dewatering well is arranged in a deep foundation pit with a shallow underground water level according to construction requirements. However, most construction units have a low recovery rate of water in the dewatering well in the foundation pit, and even the water is directly discharged into a sewage pipeline without being reused; dust falling treatment is needed for the raised dust generated in construction, an independent water source is generally arranged for supplying water to a wind barrel of the fog gun machine, and due to the large field construction amount, a large amount of water sources are consumed in the construction process, so that certain water resource waste is caused; in addition, 24 hours of foundation pit dewatering are all in operation, and the drain pump in the dewatering well easily produces the risk of idle running and then damaging.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
In view of at least one of above technical problem, this disclosure provides a foundation ditch construction precipitation dust pelletizing system, can be used for providing the water source for dust pelletizing system through the drainage with in the foundation ditch to start, stop based on the height control drain pump of liquid level, in order to avoid the water pump unloaded.
According to one aspect of the disclosure, a foundation pit construction precipitation and dust removal system is provided, which comprises a sedimentation tank, a precipitation and sedimentation control assembly and a dust settling and environmental protection assembly; the water-lowering and sediment-controlling assembly comprises a water discharging pump and a water discharging pipeline, one end of the water discharging pipeline is communicated with a water outlet of the water discharging pump, the other end of the water discharging pipeline is communicated with the sedimentation tank, the water discharging pump is electrically connected with a liquid level relay arranged at a corresponding water level, and the liquid level relay controls the starting and stopping of the water discharging pump based on water level information; dust fall environmental protection subassembly includes booster pump, dust fall pipeline and fog gun machine dryer, dust fall pipeline one end with the sedimentation tank intercommunication, its other end with fog gun machine dryer intercommunication, booster pump set up in the dust fall pipeline, for fog gun machine dryer provides the water source.
In some embodiments of the present disclosure, the precipitation and sedimentation control assembly further comprises an electronic water meter; the electronic water meter is arranged in the drainage pipeline and used for displaying the drainage quantity in the drainage pipeline in real time.
In some embodiments of the present disclosure, the water inlet end and the water outlet end of the booster water pump are respectively provided with a corresponding manual ball valve for respectively controlling the water inlet and the water outlet of the booster water pump.
In some embodiments of the present disclosure, bypass branches are connected in parallel at two ends of the booster water pump, and a spare booster water pump and a manual ball valve corresponding to the spare booster water pump are arranged on each bypass branch.
In some embodiments of the present disclosure, the dust-settling environment-friendly assembly further includes a plurality of electromagnetic ball valves, an ac contactor, and a control remote controller; the electromagnetic ball valve is correspondingly arranged at the water inlet end of the air duct of the fog gun machine, and the electromagnetic ball valve and the air duct of the fog gun machine are electrically connected to the alternating current contactor, so that the control remote controller controls the electromagnetic ball valve and the air duct of the fog gun machine to work.
In some embodiments of the present disclosure, the ac contactor is selected from the following types: CJX 2-1211.
In some embodiments of the present disclosure, the dustfall line is DN50PVC pipe.
One or more technical solutions provided in the embodiments of the present application have at least any one of the following technical effects or advantages:
1. the drainage pump is connected with the liquid level relay to control the starting and stopping of the drainage pump through the height of the water level, the problem that the drainage pump is easy to idle and damage under the continuous working state is effectively solved, the service life of the drainage pump is prolonged, and the electric power energy is saved to the maximum extent.
2. The water discharged by precipitation control and sedimentation is conveyed to the sedimentation tank to be used for dust fall and environment-friendly water, so that the problem that water resources in existing foundation pit precipitation are wasted and cannot be effectively utilized is solved, and the utilization rate of water resources is improved.
3. The electronic water meter is additionally arranged in the drainage pipeline, so that the drainage water quantity in the foundation pit is effectively monitored, the water leakage condition of the enclosure structure in the foundation pit to be excavated is analyzed, and reference is provided for excavating the foundation pit.
Drawings
Fig. 1 is a schematic diagram of a water-reducing and sinking-controlling circuit in an embodiment of the present application.
Fig. 2 is a schematic diagram of a dust-settling environment-friendly circuit in an embodiment of the present application.
Fig. 3 is a schematic structural principle diagram of a foundation pit construction precipitation dust pelletizing system in this application embodiment.
Fig. 4 is a reference diagram of a use state of the dust-settling environment-friendly assembly in an embodiment of the present application.
Fig. 5 is a reference diagram illustrating a usage status of a water-lowering and sediment-controlling assembly according to an embodiment of the present application.
In the above figures, 1, a sedimentation tank; 2. a booster water pump; 3. a booster water pump is reserved; 4. a dust fall pipeline; 5. a wind barrel of the fog gun machine; 6. dewatering wells; 7. draining pump; 8. a common contact; 9. stopping pumping the water contact; 10. starting to pump water to contact; 11. A drain line; 12. an electromagnetic ball valve; 13. controlling a remote controller; 14. a water pump integrated controller; 15. a manual ball valve; 16. an electronic water meter.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. References in this application to "first," "second," etc. are used to distinguish between the objects described and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.
The programs referred to or relied on in the following embodiments are all conventional programs or simple programs in the art, and those skilled in the art can make routine selection or adaptation according to specific application scenarios.
The unit modules (components, structures, and mechanisms) and the devices such as sensors in the following examples are all conventional commercial products unless otherwise specified.
The embodiment of this application is through providing a foundation ditch construction precipitation dust pelletizing system, has solved among the prior art foundation ditch precipitation and the water waste that the dust fall in-process caused, has still solved the possible idle running in succession of drain pump and the risk of damage in the precipitation well simultaneously.
In order to solve the crosstalk problem, the technical solution in the embodiment of the present application adopts the following general idea:
water in the dewatering well is pumped into the sedimentation tank through the drainage pump, the water level in the dewatering well is monitored through the liquid level relay, the risk that the drainage pump is idle and damaged due to too low water level is prevented, and meanwhile, the flow of the drained water is counted by the electronic water meter arranged in the drainage pipeline, so that the maintenance water leakage condition in the foundation pit to be excavated is analyzed, and the excavation risk of the foundation pit is reduced to the maximum extent; and conveying the water in the settling tank to a wind barrel of a fog gun machine through a booster water pump and a dust falling pipeline in the dust falling system, and spraying and settling the dust.
For better understanding of the technical solutions of the present application, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.
Example one
The embodiment discloses a precipitation and dust removal system for foundation pit construction, which is shown in figures 1 and 3 and comprises a sedimentation tank 1, a precipitation and sedimentation control assembly and a dust-settling and environment-friendly assembly;
the sedimentation tank 1 is used for collecting water sources discharged from the dewatering well 6 and is used for performing dust-settling water supply on dust generated by construction after sedimentation.
The water-reducing and sedimentation-controlling component comprises a drainage pump 7, a drainage pipeline 11, a liquid level relay, an electronic water meter 16 and a water pump comprehensive controller 14; referring to fig. 3 and 5, one end of the drain line 11 is communicated with the water outlet of the drain pump 7, and the other end of the drain line is communicated with the sedimentation basin 1 for flowing the water pumped by the drain pump 7 into the sedimentation basin 1 through the drain line 11, the drain pump 7 is electrically connected with the water pump integrated controller 14, the water pump integrated controller 14 is model number SM4-B1-4000D (1-4 KW), and the functions of liquid level control, overload protection, no-load protection, phase sequence protection and the like are included; the level relay comprises a common contact 8, a pumping stop contact 9 and a pumping start contact 10, the common contact 8 is connected to the common contact 8 position of the water pump integrated controller 14 to form a loop with the water pumping stopping contact 9 and the water pumping starting contact 10, the water pumping stopping contact 9 is connected to the water level contact position of the water pump integrated controller 14, the water pumping starting contact 10 is connected to a water level contact position on the water pump integrated controller 14, the interval between the water pumping stopping contact 9 and the water pumping starting contact 10 is 2-2.5M (several meters is set according to the actual situation on site), when the underground water level rises to or above the water pumping starting contact point 10, the water pumping is started by the water discharge pump 7, and the underground water level stops falling to the water pumping stopping contact point 9, and the drainage pump 7 stops pumping water, and avoids the motor from being damaged due to idle running while strictly controlling the water level in the foundation pit to be excavated.
The electronic water meter 16 is disposed at a water outlet end of the drainage pipeline 11, see fig. 3, and is configured to monitor a water amount flowing out of the drainage pipeline 11, and analyze a water leakage condition of the maintenance structure in the foundation pit to be excavated according to the water discharge amount.
The dust-settling environment-friendly assembly comprises a booster water pump 2, a dust-settling pipeline 4 and a fog gun machine air duct 5; referring to fig. 2-4, one end of the dust fall pipeline 4 is communicated with the sedimentation tank 1, the other end of the dust fall pipeline is communicated with the fog gun machine air duct 5, and the booster water pump 2 is arranged in the dust fall pipeline 4 and is used for boosting the water source in the sedimentation tank 1 and then conveying the water source to the fog gun machine air duct 5 for dust fall construction; a manual ball valve 15 is arranged in the dust fall pipeline 4 between the water inlet of the booster water pump 2 and the sedimentation tank 1 and used for controlling the on-off of the water source of the sedimentation tank 1 entering the booster water pump 2, and a corresponding manual ball valve 15 is arranged in the dust fall pipeline 4 between the water outlet end of the booster water pump 2 and the fog gun machine air duct 5 and used for controlling the on-off of the water source in the booster water pump 2 flowing to the fog gun machine air duct 5; be equipped with the bypass branch road on the dust fall pipeline 4 at 2 both ends of booster water pump, be equipped with reserve booster water pump 3 on the bypass branch road and both ends are equipped with corresponding manual ball valve 15, work as when booster water pump 2 accident damaged, manual ball valve 15 that the manual closing booster water pump 2 both ends correspond to manually open the manual ball valve 15 at reserve booster water pump 3 both ends, accomplish the switching of pump source.
The dust-settling pipeline 4 is made of DN50PVC material, and the dust-settling environment-friendly component further comprises a plurality of electromagnetic ball valves 12, an alternating current contactor and a control remote controller 13; a plurality of electromagnetic ball valves 12 correspond and install between the water inlet port of dust fall pipeline 4 and fog gun machine dryer 5, ac contactor chooses for use the model to be: the electric wire of the electromagnetic ball valve 12 and the fog gun machine air duct 5 are electrically connected to a CJX2-1211 alternating current contactor, remote control over a CJX2-1211 alternating current contactor coil is achieved through the control remote controller 13 receiving plate, when the fog gun machine air duct 5 is opened remotely through the control remote controller 13, the electromagnetic ball valve 12 is powered on simultaneously, a water source is conducted with the fog gun machine air duct 5 simultaneously, and accordingly dust falling work is achieved.
Although preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present application and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A foundation pit construction precipitation and dust removal system is characterized by comprising a sedimentation tank, a precipitation and sedimentation control assembly and a dust removal and environmental protection assembly; the water-lowering and sediment-controlling assembly comprises a water discharging pump and a water discharging pipeline, one end of the water discharging pipeline is communicated with a water outlet of the water discharging pump, the other end of the water discharging pipeline is communicated with the sedimentation tank, the water discharging pump is electrically connected with a liquid level relay arranged at a corresponding water level, and the liquid level relay controls the starting and stopping of the water discharging pump based on water level information; dust fall environmental protection subassembly includes booster pump, dust fall pipeline and fog gun machine dryer, dust fall pipeline one end with the sedimentation tank intercommunication, its other end with fog gun machine dryer intercommunication, booster pump set up in the dust fall pipeline, for fog gun machine dryer provides the water source.
2. The foundation pit construction precipitation dedusting system of claim 1, wherein the precipitation control assembly further comprises an electronic water meter; the electronic water meter is arranged in the drainage pipeline and used for displaying the drainage quantity in the drainage pipeline in real time.
3. The foundation pit construction dewatering and dedusting system as claimed in claim 1, wherein corresponding manual ball valves are respectively arranged at the water inlet end and the water outlet end of the booster water pump to respectively control the water inlet and the water outlet of the booster water pump.
4. The foundation pit construction dewatering and dedusting system according to claim 1, wherein bypass branches are arranged at two ends of the booster water pump in parallel, and a spare booster water pump and a manual ball valve matched with the spare booster water pump are arranged on each bypass branch.
5. The foundation pit construction dewatering and dedusting system of claim 1, wherein the dust-settling environment-friendly assembly further comprises a plurality of electromagnetic ball valves, an alternating current contactor and a control remote controller; the electromagnetic ball valve is correspondingly arranged at the water inlet end of the air duct of the fog gun machine, and the electromagnetic ball valve and the air duct of the fog gun machine are electrically connected to the alternating current contactor, so that the control remote controller controls the electromagnetic ball valve and the air duct of the fog gun machine to work.
6. The foundation pit construction water reducing and dust removing system as claimed in claim 5, wherein the AC contactor is selected from the following types: CJX 2-1211.
7. The foundation pit construction precipitation dust pelletizing system of claim 1, characterized in that, the dust fall pipeline is DN50PVC pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283834.4U CN217410187U (en) | 2022-05-26 | 2022-05-26 | Precipitation and dust removal system for foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283834.4U CN217410187U (en) | 2022-05-26 | 2022-05-26 | Precipitation and dust removal system for foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217410187U true CN217410187U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283834.4U Active CN217410187U (en) | 2022-05-26 | 2022-05-26 | Precipitation and dust removal system for foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217410187U (en) |
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2022
- 2022-05-26 CN CN202221283834.4U patent/CN217410187U/en active Active
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