Deep foundation pit drainage reduction recycling device

By introducing a filter box and a backwashing mechanism into the deep foundation pit dewatering device, the problem of pipe network blockage caused by silt in the accumulated water was solved, achieving efficient filtration and recycling of accumulated water and improving the usage effect.

CN224363339UActive Publication Date: 2026-06-16新疆理工学院

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
新疆理工学院
Filing Date
2025-09-17
Publication Date
2026-06-16

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Abstract

The utility model discloses a deep foundation pit reduces drainage circulation recovery device belongs to foundation pit precipitation recovery technical field. A deep foundation pit reduces drainage circulation recovery device, including base, still include: fixedly set up on the filter box of base, open the water storage bin in filter box, open at least two groups of filter bin in filter box, and filter bin is linked together with water storage bin through the communicating pipe, and fixedly set up the filter cylinder of top opening in water storage bin, fixedly set up the water pump on the base, and the water pump both ends respectively fixedly set up have the water pump and the outlet pipe, and the outlet pipe links together with in filter bin, the utility model discloses through fixedly set up filter box on the base, open water storage bin and filter bin in filter box, and moreover after starting water pump, can send the ponding into filter bin and carry out the filtration, and the ponding after filtration is stored in water storage bin, is convenient for subsequent use, can reduce the solid impurity such as silt in ponding, reduce the adverse effect to subsequent use, improve experience.
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Description

Technical Field

[0001] This utility model relates to the field of foundation pit dewatering recovery technology, and in particular to a deep foundation pit dewatering drainage recycling device. Background Technology

[0002] An excavation pit is a pit dug at the foundation design location according to the base elevation and foundation plan dimensions. Excavation pit dewatering refers to the dewatering work carried out when the groundwater level is higher than the excavation bottom surface during the excavation of the excavation pit, and groundwater will continuously seep into the pit. In order to ensure that the excavation pit can be constructed under dry conditions, and to prevent slope instability, quicksand in the foundation, pit bottom heave, piping at the pit bottom, and a decrease in the bearing capacity of the foundation.

[0003] Currently, during the dewatering process, accumulated water is usually recycled and reused, such as for internal recycling at construction sites (spraying for dust suppression, vehicle washing, and concrete curing), greening irrigation, water for temporary facilities (toilet flushing, ground cleaning, and tool cleaning), and groundwater recharge.

[0004] However, before utilizing the accumulated water, the presence of a large amount of silt in the water can lead to adverse effects, such as clogging the pipe network, causing ground crusting, etc., thus affecting the effectiveness of its use. Utility Model Content

[0005] The purpose of this invention is to solve the problem of inconvenience in filtering mud and sand in accumulated water during drainage in the prior art, and to propose a deep foundation pit dewatering circulation and recycling device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A deep foundation pit dewatering and recycling device includes a base and a filter box fixedly mounted on the base. The filter box contains a water storage chamber and at least two filter chambers. Each filter chamber is connected to the water storage chamber via a connecting pipe. A filter cylinder with an open top is fixedly mounted inside the water storage chamber, and the top of the filter cylinder is connected to the connecting pipe. A water pump is also fixedly mounted on the base, with a pumping pipe and an outlet pipe fixedly mounted at both ends. The outlet pipe is connected to the filter chamber.

[0008] In order to enable simultaneous water supply or backflushing, the filter chamber is preferably configured with two sets of filters.

[0009] To facilitate adjustments to the water supply method to the water storage tank, the connecting pipe further includes a first pipe fixedly installed on the top of the water storage tank, a first valve fixedly installed on the first pipe, a second pipe and a third pipe fixedly installed on the two sets of filter chambers respectively, the first pipe, the second pipe and the third pipe being fixedly connected by a first connecting member, and a fourth valve and a fifth valve fixedly installed on the second pipe and the third pipe respectively.

[0010] To facilitate water supply to the filter chambers, a first inlet pipe and a second inlet pipe are fixedly installed on each of the two filter chambers. The first inlet pipe, the second inlet pipe, and the outlet pipe are fixedly connected by a second connecting member. A second valve and a third valve are fixedly installed on the first inlet pipe and the second inlet pipe, respectively.

[0011] Furthermore, each of the two sets of filter chambers is fixedly equipped with a drain pipe with a sixth valve at its bottom.

[0012] Furthermore, both sets of filter chambers are equipped with a cylindrical body with an open top. A rotating ring is fixedly installed on the top of the cylindrical body. The rotating ring is rotatably connected to the filter chamber. The cylindrical body has multiple sets of through holes on its circumference. The top of the rotating ring is connected to the second pipe and the third pipe respectively. The cylindrical body is located inside the filter cylinder.

[0013] Furthermore, multiple vortex blades are fixedly arranged on the inner wall of the rotating ring to drive the cylinder to rotate.

[0014] Preferably, the sidewall of the filter cylinder is a filter screen.

[0015] Preferably, a handle is fixedly provided at the end of the filter box away from the water pump, and a walking wheel is fixedly provided at the bottom of the base.

[0016] Preferably, a drain pipe with a seventh valve is fixedly installed on the water storage tank, and an exhaust pipe with an eighth valve is fixedly installed on the top of the water storage tank.

[0017] Compared with the prior art, this utility model provides a deep foundation pit dewatering and recycling device, which has the following beneficial effects:

[0018] 1. This deep foundation pit dewatering and recycling device has a filter box fixed on the base. The filter box has a water storage tank and a filter tank. By starting the water pump, the accumulated water can be sent into the filter tank for filtration. The filtered water is stored in the water storage tank for subsequent use. This can reduce the amount of solid impurities such as mud and sand in the accumulated water, reduce the adverse effects on subsequent use, and improve the user experience.

[0019] 2. This deep foundation pit dewatering and recycling device rotates within a filter cylinder. Through holes are opened on the side wall of the cylinder. During normal use, the filtered water passes through these holes into the cylinder, then through a second or third pipe into the first pipe, flowing into the water storage tank. During backwashing, the cylinder is driven to rotate, and water enters from the top of the cylinder and exits through the through holes, allowing backwashing from the inner wall of the filter cylinder. This facilitates rinsing and improves the effectiveness of the device.

[0020] All parts of this device not described herein are the same as or can be implemented using existing technologies. This utility model has a filter box fixedly installed on the base, with a water storage chamber and a filter chamber in the filter box. By starting a water pump, the accumulated water can be sent into the filter chamber for filtration. The filtered water is stored in the water storage chamber for subsequent use. This can reduce solid impurities such as mud and sand in the accumulated water, reduce adverse effects on subsequent use, and improve the user experience. Attached Figure Description

[0021] Figure 1 This invention provides a structural schematic diagram of a deep foundation pit dewatering and recycling device. Figure 1 ;

[0022] Figure 2 This invention provides a structural schematic diagram of a deep foundation pit dewatering and recycling device. Figure 2 ;

[0023] Figure 3 This is a cross-sectional view of a deep foundation pit dewatering and recycling device proposed in this utility model;

[0024] Figure 4 This utility model proposes a deep foundation pit dewatering and recycling device. Figure 3 Enlarged view of section A.

[0025] In the diagram: 1. Base; 2. Filter box; 201. Handle; 3. Water storage tank; 301. Drain pipe; 302. First pipe; 303. Exhaust pipe; 4. Filter chamber; 401. Sewage pipe; 402. First water inlet pipe; 403. Second water inlet pipe; 404. Second pipe; 405. Third pipe; 5. Water pump; 501. Pumping pipe; 502. Water outlet pipe; 6. Filter cylinder; 7. Cylinder body; 701. Through hole; 702. Rotating ring; 703. Vortex blades. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Example:

[0029] Reference Figures 1-4A deep foundation pit dewatering and recycling device includes a base 1 and a filter box 2 fixedly mounted on the base 1. The filter box 2 contains a water storage tank 3 and at least two sets of filter chambers 4. Preferably, two sets of filter chambers 4 are provided, which can operate simultaneously or unilaterally. During alternating use, it is convenient to clean the idle set, improving efficiency. The two sets of filter chambers 4 are connected to the water storage tank 3 via a connecting pipe. A filter cylinder 6 with an open top is fixedly mounted inside the water storage tank 3. The top of the filter cylinder 6 is connected to the connecting pipe, and the side of the filter cylinder 6... The filter cylinder 6 has an open top, a filter screen on the side walls, and a closed bottom. A cover plate is bolted to the bottom of the filter chamber 4, and a sealing gasket is fixed at the connection between the cover plate and the filter chamber 4 to improve sealing. The top of the filter cylinder 6 is fixedly connected to the bottom of the cover plate, and a connecting pipe extends into the filter cylinder 6 through one end of the cover plate. At this time, the water filtered by the filter cylinder 6 will enter the water storage tank 3 through the connecting pipe for subsequent use. A drain pipe 301 with a seventh valve is fixedly installed on the water storage tank 3. Opening the seventh valve allows water to drain from the water storage tank 3. The stored water can be discharged to the outside through the drain pipe 301. A vent pipe 303 with an eighth valve is fixedly installed on the top of the water storage tank 3. When water is being stored in the water storage tank 3, the eighth valve is opened to facilitate the release of air from the water storage tank 3, improving the usage effect. A water pump 5 is fixedly installed on the base 1. A handle 201 is fixedly installed at the end of the filter box 2 away from the water pump 5. The bottom of the base 1 is fixedly equipped with casters, preferably self-locking casters. During use, the base 1 can be moved by pushing it with the handle 201, improving the convenience of use. Pump 5 has a pumping pipe 501 and an outlet pipe 502 fixedly installed at both ends. The outlet pipe 502 is connected to the filter chamber 4. In use, the water pipe is connected to the pumping pipe 501, and the free end of the water pipe is placed into the base hole. A stainless steel screen is threaded to the free end of the water pipe to reduce the entry of larger solid debris in the water into the pumping pipe 501. Then the water enters the filter chamber 4 through the outlet pipe 502 for filtration. After filtration through the filter cylinder 6, it enters the water storage chamber 3 through the connecting pipe for subsequent use. This helps to reduce the silt content in the water and improve the performance.

[0030] In use, a filter box 2 is fixedly installed on the base 1. A water storage chamber 3 and a filter chamber 4 are opened in the filter box 2. By starting the water pump 5, the accumulated water can be sent into the filter chamber 4 for filtration. The filtered water is stored in the water storage chamber 3 for subsequent use. This can reduce solid impurities such as mud and sand in the water, reduce the adverse effects on subsequent use, and improve the user experience.

[0031] Reference Figures 1-3Here, the connecting pipe includes a first pipe 302 fixedly installed on the top of the water storage tank 3, a first valve fixedly installed on the first pipe 302, a second pipe 404 and a third pipe 405 fixedly installed on the two sets of filter chambers 4 respectively, and the first pipe 302, the second pipe 404 and the third pipe 405 are fixedly connected by a first connecting member, and a fourth valve and a fifth valve are fixedly installed on the second pipe 404 and the third pipe 405 respectively. In use, by opening the first valve and closing the fourth or fifth valve, the filtered water can be discharged into the water storage tank 3. When the first valve is closed and the fourth and fifth valves are opened, when the water pump 5 supplies water to the left filter chamber 4, the filter cartridge 6 in the right filter chamber 4 can be backwashed. Conversely, when the water pump 5 supplies water to the right filter chamber 4, the filter cartridge 6 in the left filter chamber 4 can be backwashed, thus achieving a backwashing effect, reducing the number of times manual cleaning is required, and improving the usage effect.

[0032] Reference Figures 1-3 A first inlet pipe 402 and a second inlet pipe 403 are fixedly installed on two sets of filter chambers 4, respectively. The first inlet pipe 402, the second inlet pipe 403 and the outlet pipe 502 are fixedly connected by a second connecting member. Both the first connecting member and the second connecting member are preferably tee pipe joints. A second valve and a third valve are fixedly installed on the first inlet pipe 402 and the second inlet pipe 403, respectively. In use, by simultaneously opening the first valve, the second valve, the third valve, the fourth valve and the fifth valve, the water pump 5 supplies water to both sets of filter chambers 4 at the same time and filters the accumulated water, which can improve the filtration efficiency. When the second valve and the fourth valve or the third valve and the fifth valve are closed, a single set of filter chambers 4 is used for filtration. When the first valve and the third valve are closed and the second valve, the fourth valve and the fifth valve are opened, the filter chamber 4 on the left side can be backwashed. When the first valve and the second valve are closed and the third valve, the fourth valve and the fifth valve are opened, the filter chamber 4 on the right side can be backwashed, which improves the use effect.

[0033] Reference Figure 3 At the bottom of each of the two filter chambers 4, a drain pipe 401 with a sixth valve is fixedly installed. During normal use, the sixth valve on the drain pipe 401 is closed. During backwashing, the sixth valve of the drain pipe 401 of the filter chamber 4 being backwashed is open. Before backwashing, the water in the filter chamber 4 to be backwashed is discharged to the outside through the drain pipe 401, thereby improving the cleaning effect during backwashing.

[0034] Reference Figure 3 and Figure 4Each of the two filter chambers 4 contains a cylindrical body 7 with an open top. A rotating ring 702 is fixedly installed on the top of the cylindrical body 7, rotatably connecting the rotating ring 702 to the filter chamber 4. Multiple sets of through holes 701 are located on the circumference of the cylindrical body 7, ranging from two to one hundred and thirty sets, preferably ninety-five sets. These through holes are equidistantly distributed along the axial direction of the cylindrical body 7, with at least two holes in each set, evenly distributed circumferentially. The top of the rotating ring 702 is connected to the second pipe 404 and the third pipe 405 respectively. The cylindrical body 7 is positioned in the... Inside the filter cartridge 6, during use, a cylinder 7 is rotatably installed inside the filter cartridge 6. A through hole 701 is opened on the side wall of the cylinder 7. During normal use, the water filtered by the filter cartridge 6 will pass through the through hole 701 into the cylinder 7, and then enter the first pipe 302 through the second pipe 404 or the third pipe 405, flowing into the water storage tank 3. During backwashing, the cylinder 7 is driven to rotate, and the water flows in from the top of the cylinder 7 and is discharged from the through hole 701, which can backwash the filter cartridge 6 from the inner wall, making it convenient to rinse and improving the use effect.

[0035] Reference Figure 3 and Figure 4 The cylinder 7 can be rotated by a motor. Here, we fix multiple vortex blades 703 on the inner wall of the rotating ring 702. There are two to eight vortex blades 703. Here, we prefer six to drive the cylinder 7 to rotate. During the backwashing process, water is supplied to one of the filter chambers 4 by the water pump 5. The filtered water will enter the cylinder 7 from above the other rotating ring 702. At this time, the water flows through the vortex blades 703 and can drive the cylinder 7 to rotate. During the rotation, the water flows from the through hole 701 to the inner wall of the filter cylinder 6 to achieve backwashing of the filter cylinder 6 and improve the use effect.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A deep foundation pit dewatering and recycling device, comprising a base (1), characterized in that, Also includes: A filter box (2) is fixedly installed on the base (1). The filter box (2) is provided with a water storage tank (3), and at least two filter chambers (4) are provided in the filter box (2). The filter chambers (4) are connected to the water storage tank (3) through a connecting pipe. The water storage tank (3) is fixedly provided with a filter cylinder (6) with an open top. The top of the filter cylinder (6) is connected to the connecting pipe. A water pump (5) is fixedly installed on the base (1). A water pump (501) and a water outlet pipe (502) are fixedly installed at both ends of the water pump (5). The water outlet pipe (502) is connected to the filter chamber (4).

2. The deep foundation pit dewatering and recycling device according to claim 1, characterized in that, The filter chamber (4) is provided in two sets, and the two sets of filter chambers (4) work alternately.

3. The deep foundation pit dewatering and recycling device according to claim 2, characterized in that, The connecting pipe includes a first pipe (302) fixedly installed on the top of the water storage tank (3), a first valve fixedly installed on the first pipe (302), a second pipe (404) and a third pipe (405) fixedly installed on the two sets of filter tanks (4), the first pipe (302), the second pipe (404) and the third pipe (405) are fixedly connected by a first connecting member, and a fourth valve and a fifth valve are fixedly installed on the second pipe (404) and the third pipe (405) respectively.

4. The deep foundation pit dewatering and recycling device according to claim 3, characterized in that, The two sets of filter chambers (4) are respectively fixedly provided with a first water inlet pipe (402) and a second water inlet pipe (403). The first water inlet pipe (402), the second water inlet pipe (403) and the water outlet pipe (502) are fixedly connected by a second connecting member. The first water inlet pipe (402) and the second water inlet pipe (403) are respectively fixedly provided with a second valve and a third valve.

5. A deep foundation pit dewatering and recycling device according to claim 4, characterized in that, The bottom of each of the two filter chambers (4) is fixedly equipped with a drain pipe (401) with a sixth valve.

6. The deep foundation pit dewatering and recycling device according to claim 5, characterized in that, Both sets of filter chambers (4) are provided with a cylindrical body (7) with an open top. A rotating ring (702) is fixedly provided on the top of the cylindrical body (7). The rotating ring (702) is rotatably connected to the filter chamber (4). The cylindrical body (7) has multiple through holes (701) on its circumference. The top of the rotating ring (702) is connected to the second pipe (404) and the third pipe (405) respectively. The cylindrical body (7) is located inside the filter cylinder (6).

7. A deep foundation pit dewatering and recycling device according to claim 6, characterized in that, The inner wall of the rotating ring (702) is fixedly provided with multiple vortex blades (703) for driving the cylinder (7) to rotate.

8. The deep foundation pit dewatering and recycling device according to claim 1, characterized in that, The side wall of the filter cylinder (6) is a filter screen.

9. A deep foundation pit dewatering and recycling device according to claim 1, characterized in that, A handle (201) is fixedly installed at the end of the filter box (2) away from the water pump (5), and a walking wheel is fixedly installed at the bottom of the base (1).

10. A deep foundation pit dewatering and recycling device according to claim 1, characterized in that, The water storage tank (3) is fixedly equipped with a drain pipe (301) with a seventh valve, and the top of the water storage tank (3) is fixedly equipped with an exhaust pipe (303) with an eighth valve.