CN216892479U - Foundation pit dewatering and drainage treatment system - Google Patents
Foundation pit dewatering and drainage treatment system Download PDFInfo
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- CN216892479U CN216892479U CN202123229194.7U CN202123229194U CN216892479U CN 216892479 U CN216892479 U CN 216892479U CN 202123229194 U CN202123229194 U CN 202123229194U CN 216892479 U CN216892479 U CN 216892479U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model belongs to the technical field of constructional engineering, and particularly relates to a foundation pit dewatering and drainage treatment system. The foundation pit structure comprises a foundation pit, precipitation wells are arranged on the periphery of the foundation pit and inside the foundation pit, and each precipitation well is provided with a water pump for pumping water accumulated in the corresponding precipitation well. The dewatering well and the water pump are additionally arranged in the foundation pit of the dewatering and drainage system, so that the problem of difficulty in draining accumulated water in the foundation pit can be greatly solved. Meanwhile, the drainage efficiency of accumulated water in the foundation pit can be effectively improved by adopting drainage measures of additionally arranging a dewatering well and a water pump in the foundation pit, and the accumulated water in the foundation pit can be quickly lowered to the designed construction water level. And, the mode of setting up precipitation well in the inside of foundation ditch, the concentrated emission of the inside ponding of foundation ditch of can being convenient for does benefit to the ponding that the water pump discharged the inside of foundation ditch fast.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to a foundation pit dewatering and drainage treatment system.
Background
When the outer foundation pit is opened, drainage needs to be carried out on the inner portion of the foundation pit. In rainy areas, particularly in rainy seasons during the construction of the foundation pit, underground water can continuously permeate into the foundation pit and generate serious water seepage damage to the foundation pit; if the drainage in the foundation pit is not smooth, serious problems of slope instability, foundation quicksand, pit bottom uplift, pit bottom piping, foundation bearing capacity reduction and the like are easily caused.
At present, dewatering and drainage measures for a foundation pit are generally to arrange dewatering wells at the periphery of the foundation pit, the well points of the dewatering wells at the periphery of the foundation pit are generally dense, and the foundation pit cannot be excavated too deep in some areas with poor geological conditions. However, when the original depth of the dewatering well cannot meet the actual dewatering and drainage, the excavation depth of the dewatering well can be only deepened. In this case, construction difficulty may be caused in an area with a poor address condition.
In addition, when the seepage water in the foundation pit can not be smoothly discharged, the seepage water in the foundation pit needs to be treated by adopting a manual water pumping mode. The manual pumping speed is low, the time spent is long, and the overall construction progress is easy to delay; especially, when the area of foundation ditch is great, the mode of setting up precipitation well around the foundation ditch is difficult to drop the infiltration of foundation ditch inside to design construction water level fast.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foundation pit dewatering and drainage treatment system aiming at the problems that the existing foundation pit dewatering and drainage measures are generally that dewatering wells are arranged on the periphery of a foundation pit, the dewatering wells arranged on the periphery of the foundation pit are easy to be in areas with poor geological conditions, deeper dewatering wells cannot be excavated, the actual foundation pit dewatering and drainage is easy to cause troubles, and when water seepage in the foundation pit is treated in a manual water pumping mode, the water seepage in the foundation pit is difficult to be quickly reduced to the designed construction water level.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
the utility model provides a foundation ditch dewatering and drainage treatment system, includes the foundation ditch, the periphery of foundation ditch and the inside of foundation ditch is provided with precipitation well, and every precipitation well all sets and is used for the extraction to correspond the water pump of ponding in the precipitation well.
Compared with the dewatering and drainage measures of arranging dewatering wells at the periphery of the foundation pit, the dewatering and drainage system provided by the utility model is additionally provided with the dewatering wells and the water pumps in the foundation pit, so that the problem of difficulty in dewatering and drainage of accumulated water in the foundation pit can be greatly solved. Meanwhile, the drainage efficiency of accumulated water in the foundation pit can be effectively improved by adopting drainage measures of additionally arranging a dewatering well and a water pump in the foundation pit, and the accumulated water in the foundation pit can be quickly lowered to the designed construction water level. And, the mode of setting up precipitation well in the inside of foundation ditch, the concentrated emission of the inside ponding of foundation ditch of can being convenient for does benefit to the ponding that the water pump discharged the inside of foundation ditch fast.
Furthermore, the dewatering well inside the foundation pit is located at the position of the post-cast strip.
The system further comprises precipitation monitoring equipment, wherein the precipitation monitoring equipment comprises a probe arranged in the precipitation well and a controller in control connection with the water pump;
the controller is used for sending on-off signals to the water pump according to the water level signals collected by the detection head.
Furthermore, only be located inside the foundation ditch precipitation well corresponds and is provided with precipitation supervisory equipment.
And further, the device also comprises a third-level sedimentation tank, wherein the third-level sedimentation tank is used for collecting the accumulated water discharged by the water pump.
Furthermore, the outlet end of the third-stage sedimentation tank is connected with water circulation equipment.
Furthermore, the water circulation device also comprises a water purification device, wherein the inlet end of the water purification device is connected with the outlet end of the water circulation device.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the dewatering and drainage measures of arranging dewatering wells at the periphery of the foundation pit, the dewatering and drainage system provided by the utility model is additionally provided with the dewatering wells and the water pumps in the foundation pit, so that the problem of difficulty in draining accumulated water in the foundation pit can be greatly solved. Meanwhile, the drainage efficiency of accumulated water in the foundation pit can be effectively improved by adopting drainage measures of additionally arranging a dewatering well and a water pump in the foundation pit, and the accumulated water in the foundation pit can be quickly lowered to the designed construction water level. Moreover, the dewatering well is arranged inside the foundation pit, so that the concentrated discharge of accumulated water inside the foundation pit can be facilitated, and the water pump can be used for rapidly discharging the accumulated water inside the foundation pit.
2. In the utility model, the dewatering well inside the foundation pit is arranged at the post-cast strip part, so that the dewatering well can be closed together when the post-cast strip is closed in the construction process, and the construction progress of the foundation pit bottom plate cannot be influenced.
3. The utility model adopts precipitation monitoring equipment to automatically monitor the water level in the precipitation well and automatically controls the water pump to work through the precipitation monitoring equipment. So that the water pump is automatically closed after the water level in the dewatering well is reduced to a safe value; and when the water level in the dewatering well exceeds a safety value, the water pump is automatically started to drain water. The whole process does not need a special person to watch, so that the labor cost can be reduced.
4. The water circulation device is connected to the outlet end of the three-stage sedimentation tank, and water treated by the water circulation device can be used for construction, life, greening, fire fighting and the like. In addition, the outlet end of the water circulation equipment is also connected with water purification equipment, so that the water treated by the water circulation equipment is secondarily purified by the water purification equipment, and the qualified purified water can be widely applied to technologies with higher requirements on water quality, such as intelligent spraying, intelligent fog guns and the like, so that the water utilization equipment is protected, and the economic benefit is improved.
Description of the drawings:
fig. 1 is a schematic sectional structure diagram of a foundation pit.
Fig. 2 is a schematic plan view of the foundation pit.
The labels in the figure are: 1-foundation pit, 2-precipitation well, 3-water pump, 4-precipitation monitoring equipment, 41-probe, 42-controller, 5-three-stage sedimentation tank, 6-water circulation equipment and 7-water purification equipment.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
The embodiment provides a system for treating dewatering and drainage in a foundation pit 1, and as shown in fig. 1 and 2, the embodiment comprises the foundation pit 1, and dewatering wells 2 are arranged on the periphery of the foundation pit 1 and inside the foundation pit 1. In the present embodiment, each dewatering well 2 is provided with a water pump 3, and the water pump 3 can pump the accumulated water in the dewatering well 2 to which the water pump 3 is connected.
Further, in the present embodiment, the dewatering well 2 inside the foundation pit 1 is disposed at the post-cast strip portion of the foundation pit 1. Thereby in the work progress, when the post-cast strip is sealed, can seal precipitation well 2 together to can not influence the construction progress of 1 bottom plate of foundation ditch. The number of the dewatering wells 2 around the foundation pit 1 can be one, two or more, and the number of the dewatering wells 2 around the foundation pit 1 is generally selected according to actual conditions.
As shown in fig. 1 and fig. 2, the present embodiment further includes a precipitation monitoring device 4, wherein the precipitation monitoring device 4 includes a probe 41 and a controller 42, the probe 41 is disposed inside the precipitation well 2, and the controller 42 is connected to the water pump 3. Specifically, the controller 42 is configured to send an on/off signal to the water pump 2 according to the water level signal collected by the detecting head 41. The detecting head 41 is used for measuring the water level in the corresponding dewatering well 2 and forming a water level height signal, the detecting head 41 can transmit the water level height signal to the controller 42, and the controller 42 can control the corresponding water pump 3 to work or stop working through the water level height signal. So that the precipitation monitoring device 4 can shut down the water pump 3 through the controller 42 after the water level in the precipitation well 2 is lowered to a safe value; when the water level in the precipitation well 2 exceeds a safe value, the precipitation monitoring device 4 can start the water pump 3 to discharge water through the controller 42. The whole process does not need a specially-assigned person to watch, so that the labor cost can be reduced.
Preferably, the water level height signal detected by the detecting head 41 is set to K, and two thresholds L1 and L2 are preset in the controller 42, wherein L1 represents the maximum safe water level value, L2 represents the minimum safe water level value, and L1 is greater than or equal to L2. When the water level height signal K monitored by the detection head 41 is greater than L1, the controller 41 controls the water pump 3 to work, and the accumulated water in the dewatering well 2 is pumped and drained. The number of the detecting heads 41 may be one, or two or more. Preferably, the probe 41 may be a pressure probe.
Specifically, precipitation monitoring equipment 4 can be selected as the intelligent water pump controller of Dongguan Xin Yuan water pump 3 Limited, and the model number is: XY-BC 1-7500C.
In the present embodiment, each water pump 3 may be provided with a precipitation monitoring device 4. Of course, it is also possible to provide some of the pumps 3 with precipitation monitoring devices 4.
Preferably, in the present embodiment, only the precipitation well 2 located inside the foundation pit 1 may be correspondingly provided with the precipitation monitoring device 4. Since the periphery of the foundation pit 1 needs to be constantly lowered to keep the water level around the foundation pit 1 stable, the water level in the dewatering well 2 around the foundation pit 1 needs to be regularly patrolled in general. Therefore, the water level of the precipitation well 2 around the foundation pit 1 is stable, and the precipitation well 2 generally cannot pump water in time and stop, so that only the precipitation well 2 inside the foundation pit 1 is correspondingly provided with the precipitation monitoring equipment 4, and the equipment cost can be greatly saved.
As shown in fig. 1 and 2, the present embodiment further includes a third-stage sedimentation tank 5, so that the accumulated water discharged from the water pump 3 can be led to the third-stage sedimentation tank 5, and the accumulated water is collected by the third-stage sedimentation tank 5, thereby reducing the pollution to the environment caused by the accumulated water discharged from the water pump 3.
Further, the outlet end of the third-stage sedimentation tank 5 is connected with a water circulation device 6, and accumulated water in the third-stage sedimentation tank 5 is degraded and treated through the water circulation device 6. After the accumulated water passes through the water circulation equipment 6, the operation of construction, living, greening or fire fighting and the like can be conveniently carried out on the accumulated water.
Preferably, the water circulation equipment 6 can be selected as intelligent water circulation utilization equipment of environment-friendly science and technology limited of Chengdu Longkun, and the model number is as follows: GB18918-200260 t/d.
Furthermore, the present embodiment further comprises a water purifying device 7, and the water purifying device 7 is installed at the outlet end of the water circulating device 6, so that the accumulated water passing through the water circulating device 6 can be degraded and purified by the water purifying device 7. After the accumulated water passes through the water purifying device 7, the accumulated water is conveniently applied to the fog gun system and the spraying system.
Preferably, water purification unit 7 can select as the intelligent water purification system of Chengdu Longkun environmental protection science and technology Limited company, and its model is: GB18918-20025 t/d.
Of course, this embodiment also can be provided with water purification unit 7 between water pump 3 and tertiary sedimentation tank 5 to can degrade the sediment in ponding through water purification unit 7, compare in the direct mode of discharging ponding into tertiary sedimentation tank 5, the mode of sediment in the ponding is degraded through water purification unit 7 to this embodiment, can greatly purify and filter ponding, make the ponding of discharging into in tertiary sedimentation tank 5 more limpid, clean, can reduce the possibility of 5 stifled pipes of tertiary sedimentation tank effectively.
Compare in the peripheral drainage measures that sets up dewatering well 2 in foundation ditch 1, dewatering well 2 and water pump 3 have been add to the drainage system that falls that this embodiment provided in foundation ditch 1 inside to can greatly alleviate the problem of the inside ponding drainage difficulty of foundation ditch 1. Meanwhile, the drainage efficiency of accumulated water in the foundation pit 1 can be effectively improved by adopting the drainage measures of additionally arranging the dewatering well 2 and the water pump 3 in the foundation pit 1, and the accumulated water in the foundation pit 1 can be quickly lowered to the designed construction water level. Moreover, the mode that the dewatering well 2 is arranged inside the foundation pit 1 can facilitate the concentrated discharge of the accumulated water inside the foundation pit 1, and is favorable for the water pump 3 to rapidly discharge the accumulated water inside the foundation pit 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a foundation ditch falls drainage processing system which characterized in that: the foundation pit structure is characterized by comprising a foundation pit (1), wherein dewatering wells (2) are arranged on the periphery of the foundation pit (1) and inside the foundation pit (1), and each dewatering well (2) is provided with a water pump (3) for pumping water corresponding to the dewatering well (2);
and the dewatering well (2) in the foundation pit (1) is positioned at the post-cast strip part.
2. The foundation pit dewatering and drainage treatment system of claim 1, wherein: the rainfall monitoring device (4) comprises a detecting head (41) arranged in the precipitation well (2) and a controller (42) connected with the water pump (3) in a control way;
the controller (42) is used for sending an on-off signal to the water pump (3) according to the water level signal collected by the detection head (41).
3. The foundation pit dewatering and drainage treatment system of claim 2, wherein: and the precipitation monitoring equipment (4) is correspondingly arranged on the precipitation well (2) only positioned inside the foundation pit (1).
4. The foundation pit dewatering and drainage treatment system defined in any one of claims 1-3, wherein: still include tertiary sedimentation tank (5), tertiary sedimentation tank (5) are used for collecting by water pump (3) exhaust ponding.
5. The foundation pit dewatering and drainage treatment system of claim 4, wherein: and the outlet end of the third-stage sedimentation tank (5) is connected with a water circulation device (6).
6. The foundation pit dewatering and drainage treatment system of claim 5, wherein: the water circulation device is characterized by further comprising a water purification device (7), wherein the inlet end of the water purification device (7) is connected with the outlet end of the water circulation device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229194.7U CN216892479U (en) | 2021-12-21 | 2021-12-21 | Foundation pit dewatering and drainage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229194.7U CN216892479U (en) | 2021-12-21 | 2021-12-21 | Foundation pit dewatering and drainage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892479U true CN216892479U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123229194.7U Active CN216892479U (en) | 2021-12-21 | 2021-12-21 | Foundation pit dewatering and drainage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892479U (en) |
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2021
- 2021-12-21 CN CN202123229194.7U patent/CN216892479U/en active Active
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