A precipitation well groundwater resource collection and recycling system
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- URBAN RAIL TRANSIT ENGINEERING CO LTD OF CHINA RAILWAY FIRST GROUP CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-08-07
AI Technical Summary
[0002]地铁车站基坑在施工过程中,为确保基坑开挖稳定,保证基坑能在干燥条件下施工,防止边坡失稳、基础流砂、坑底隆起、坑底管涌和地基承载力下降,故而需进行降水作业,但按照常规施工情况,该部分降水所获得的水资源难以被回收利用,常以直排市政管道的方式为主,造成水资源浪费
[0015]本实用新型相对于现有技术取得了以下技术效果:本实用新型通过对地铁车站基坑地下水收集过滤并用于现场围挡喷淋、车辆冲洗、场地冲洗等,大大降低了自来水资源的消耗,将因基坑施工需要而收集的水资源用于辅助现场施工的方方面面,真正做到了地下水资源对施工现场的反哺,既节能又环保。
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Figure CN224598930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water resource recycling technology, and more specifically to a groundwater resource collection and recycling system for precipitation wells. Background Technology
[0002] During the construction of subway station foundation pits, in order to ensure the stability of the excavation, ensure that the foundation pit can be constructed under dry conditions, and prevent slope instability, quicksand, pit bottom heave, piping at the pit bottom, and decrease in foundation bearing capacity, dewatering operations are necessary. However, according to conventional construction practices, the water resources obtained from this dewatering are difficult to recycle and are often discharged directly into municipal pipelines, resulting in water waste. Utility Model Content
[0003] In view of this, the present invention provides a groundwater resource collection and recycling system for precipitation wells, the purpose of which is to solve the problems existing in the prior art.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A groundwater resource collection and recycling system for dewatering wells includes: a metering system, a collection and drainage system, a first pressurization system, a filtration and purification system, a second pressurization system, and a first water utilization system connected in sequence; the metering system collects groundwater in the foundation pit and transports the collected groundwater to the collection and drainage system; the collection and drainage system transports the recovered water resources to the filtration and purification system through the first pressurization system; the filtration and purification system transports the purified and filtered water resources to the first water utilization system through the second pressurization system.
[0006] Preferably, the metering system includes a dewatering well, a drainage pipe, and a drainage pump; the drainage pump is installed inside the dewatering well; and the drainage pump is connected to the collection and drainage system through the drainage pipe.
[0007] Preferably, the drain pipe is equipped with a flow meter.
[0008] Preferably, the collection and drainage system includes a water collection tank and a water storage tank; the drainage pump is connected to the water collection tank through the drainage pipe; the water storage tank is connected to the water collection tank; the water collection tank is located above the water storage tank, and the water in the water collection tank automatically flows into the water storage tank through the water level pressure difference.
[0009] Preferably, the first booster system includes a first booster pump; the water tank uses the first booster pump to transport the recovered water resources in the water tank to the filtration and purification system.
[0010] Preferably, the filtration and purification system includes a filtration device and a water storage tank; the inlet of the filtration device is connected to the water storage tank via the first booster pump; and the outlet of the filtration device is connected to the water storage tank.
[0011] Preferably, the second booster system includes a second booster pump; the water storage tank is connected to the first water utilization system through the second booster pump.
[0012] Preferably, the first water utilization system includes a dust suppression water curtain system and a perimeter spray system.
[0013] Preferably, the water storage tank is equipped with an overflow pipe; the other end of the overflow pipe is connected to a sedimentation tank; the sedimentation tank is connected to the municipal water supply network through an outlet pipe.
[0014] Preferably, it also includes a second water utilization system; the second water utilization system includes a vehicle washing system, a construction site washing system, and a subway station structure maintenance system; the vehicle washing system, the construction site washing system, and the subway station structure maintenance system are all connected to the collection and drainage system through the first pressurization system.
[0015] Compared with the prior art, this utility model has achieved the following technical effects: By collecting and filtering groundwater from subway station foundation pits and using it for on-site fencing spraying, vehicle washing, site washing, etc., this utility model greatly reduces the consumption of tap water resources. The water resources collected for foundation pit construction are used to assist all aspects of on-site construction, truly achieving the feedback of groundwater resources to the construction site, which is both energy-saving and environmentally friendly. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a groundwater resource collection and recycling system for a precipitation well according to the present invention;
[0017] Figure 2 This is a schematic diagram of the metering system;
[0018] In the diagram: 1. Metering system; 11. Dewatering well; 12. Drainage pipe; 13. Flow meter; 2. Collection and drainage system; 21. Water collection tank; 22. Water storage tank; 3. First booster system; 31. First booster pump; 4. Filtration and purification system; 41. Water storage tank; 42. Filter; 5. Second booster system; 51. Second booster pump; 6. First water utilization system; 61. Dust suppression water curtain system; 62. Enclosure sprinkler system; 7. Second water utilization system; 71. Vehicle washing system; 72. Construction site washing system; 73. Subway station structural maintenance system; 8. Sedimentation tank; 9. Municipal pipeline network. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Example
[0021] Reference Figure 1-2 As shown, this utility model discloses a groundwater resource collection and recycling system for a rainwater well, comprising: a metering system 1, a collection and drainage system 2, a first pressurization system 3, a filtration and purification system 4, a second pressurization system 5, and a first water utilization system 6 connected in sequence; the metering system 1 collects groundwater in the foundation pit and transports the collected groundwater to the collection and drainage system 2; the collection and drainage system 2 transports the recovered water resources to the filtration and purification system 4 through the first pressurization system 3; the filtration and purification system 4 transports the purified and filtered water resources to the first water utilization system 6 through the second pressurization system 5.
[0022] In this embodiment, the metering system 1 includes a dewatering well 11, a drainage pipe 12, and a drainage pump; the drainage pump is installed inside the dewatering well 11; the drainage pump is connected to the collection and drainage system 2 through the drainage pipe 12.
[0023] In this embodiment, a flow meter 13 is provided on the drain pipe 12.
[0024] In this embodiment, the collection and drainage system 2 includes a water collection tank 21 and a water storage tank 22; the drainage pump is connected to the water collection tank 21 through a drainage pipe 12; the water storage tank 22 is connected to the water collection tank 21; the water collection tank 21 is located above the water storage tank 22, and the water in the water collection tank 21 automatically flows into the water storage tank 22 through the water level pressure difference.
[0025] In this embodiment, the first booster system 3 includes a first booster pump 31; the water tank 22 transports the water resources recovered in the water tank 22 to the filtration and purification system 4 through the first booster pump 31.
[0026] In this embodiment, the filtration and purification system 4 includes a filtration device and a water storage tank 41; the inlet of the filtration device is connected to the water storage tank 22 via a first booster pump 31; and the outlet of the filtration device is connected to the water storage tank 41.
[0027] In this embodiment, the second booster system 5 includes a second booster pump 51; the water storage tank 22 is connected to the first water utilization system 6 through the second booster pump 51.
[0028] In this embodiment, the first water utilization system 6 includes a dust suppression water curtain system 61 and a perimeter spray system 62.
[0029] In this embodiment, the water storage tank 22 is equipped with an overflow pipe; the other end of the overflow pipe is connected to a sedimentation tank 8; the sedimentation tank 8 is connected to the municipal water supply network 9 through an outlet pipe.
[0030] In this embodiment, the collection and recycling system also includes a second water utilization system 7; the second water utilization system 7 includes a vehicle washing system 71, a construction site washing system 72, and a subway station structure maintenance system 73; the vehicle washing system 71, the construction site washing system 72, and the subway station structure maintenance system 73 are all connected to the collection and drainage system 2 through the first pressurization system 3.
[0031] In this embodiment, one water collection tank 21 accommodates four sets of rainwater wells 11, and a total of four sets of water collection tanks 21 are provided; the four sets of water collection tanks 21 are connected in series.
[0032] In this embodiment, there are two water storage tanks 22; the two water storage tanks 22 are connected in series.
[0033] In this embodiment, four sets of filter devices are provided; the four sets of filter devices are arranged in parallel.
[0034] In this embodiment, the filtration device includes a filter 42 for filtering and purifying the water resources in the water storage tank 22.
[0035] This invention collects and filters rainwater from rain wells for use in on-site fencing spraying, vehicle washing, and construction site cleaning, greatly reducing the consumption of tap water resources.
[0036] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.
Claims
1. A groundwater resource collection and recycling system for precipitation wells, characterized in that, include: The system consists of a metering system (1), a collection and drainage system (2), a first pressurization system (3), a filtration and purification system (4), a second pressurization system (5), and a first water utilization system (6), which are connected in sequence. The metering system (1) collects groundwater in the foundation pit and transports the collected groundwater to the collection and drainage system (2). The collection and drainage system (2) transports the recovered water resources to the filtration and purification system (4) through the first pressurization system (3). The filtration and purification system (4) transports the purified and filtered water resources to the first water utilization system (6) through the second pressurization system (5).
2. The groundwater resource collection and recycling system for precipitation wells according to claim 1, characterized in that, The metering system (1) includes a dewatering well (11), a drainage pipe (12), and a drainage pump; the drainage pump is installed in the dewatering well (11); the drainage pump is connected to the collection and drainage system (2) through the drainage pipe (12).
3. The groundwater resource collection and recycling system for precipitation wells according to claim 2, characterized in that, A flow meter (13) is installed on the drain pipe (12).
4. A groundwater resource collection and recycling system for precipitation wells according to claim 2, characterized in that, The collection and drainage system (2) includes a water collection tank (21) and a water storage tank (22); the drainage pump is connected to the water collection tank (21) through the drainage pipe (12); the water storage tank (22) is connected to the water collection tank (21); the water collection tank (21) is located above the water storage tank (22), and the water in the water collection tank (21) automatically flows into the water storage tank (22) through the water level pressure difference.
5. A groundwater resource collection and recycling system for precipitation wells according to claim 4, characterized in that, The first booster system (3) includes a first booster pump (31); the water storage tank (22) uses the first booster pump (31) to transport the water resources recovered in the water storage tank (22) to the filtration and purification system (4).
6. A groundwater resource collection and recycling system for precipitation wells according to claim 5, characterized in that, The filtration and purification system (4) includes a filtration device and a water storage tank (41); the inlet of the filtration device is connected to the water storage tank (22) through the first booster pump (31); the outlet of the filtration device is connected to the water storage tank (41).
7. A groundwater resource collection and recycling system for precipitation wells according to claim 6, characterized in that, The second booster system (5) includes a second booster pump (51); the water storage tank (22) is connected to the first water utilization system (6) through the second booster pump (51).
8. A groundwater resource collection and recycling system for precipitation wells according to claim 7, characterized in that, The first water utilization system (6) includes a dust suppression water curtain system (61) and a perimeter spray system (62).
9. A groundwater resource collection and recycling system for precipitation wells according to claim 4, characterized in that, The water storage tank (22) is equipped with an overflow pipe; the other end of the overflow pipe is connected to a sedimentation tank (8); the sedimentation tank (8) is connected to the municipal water supply network (9) through an outlet pipe.
10. A groundwater resource collection and recycling system for precipitation wells according to claim 1, characterized in that, It also includes a second water utilization system (7); the second water utilization system (7) includes a vehicle washing system (71), a construction site washing system (72) and a subway station structure maintenance system (73); the vehicle washing system (71), the construction site washing system (72) and the subway station structure maintenance system (73) are all connected to the collection and drainage system (2) through the first pressurization system (3).