Light rapid dewatering structure

Abstract

The utility model provides a light rapid dewatering structure, which is characterized in that a first dewatering well and a second dewatering well are vertically arranged at intervals, the upper ends of the first dewatering well and the second dewatering well are flush, and the lower end of the first dewatering well is lower than that of the second dewatering well; the first water pumping pipe and the second water pumping pipe are vertically arranged, horizontally arranged at intervals and vertically inserted into the first dewatering well and the second dewatering well respectively, the upper ends of the first water pumping pipe and the second water pumping pipe upwards protrude out of the upper ends of the first dewatering well and the second dewatering well respectively, and the water pump is connected with the upper ends of the first water pumping pipe and the second water pumping pipe through an overground water pumping header pipe. The lower ends of the first and second water pumping pipes are closed and are respectively positioned in the lower ends of the first and second dewatering wells, the outer side walls of the lower ends of the first and second water pumping pipes are respectively provided with first and second water filtering holes, and the first and second isolation cloth layers respectively cover the lower ends of the first and second water pumping pipes so as to respectively cover the first and second water filtering holes. The device can accelerate the precipitation speed, and is simple in structure and easy to overhaul.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, especially the technical field of precipitation structure, and specifically relates to a light rapid precipitation structure. BACKGROUND

[0002] Building construction refers to the production activities in the implementation phase of engineering construction, is the building process of various buildings, and can also be said to be the process of changing various lines on design drawings into real objects at specified locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc.

[0003] With the rapid economic development, the construction projects of ports, airports and roads in coastal areas are driven. Due to the lack of land resources in coastal areas, it has become a development trend to use sites with poor geology or to form land by using dredged sand or silt. Therefore, when the above construction projects are carried out in the above-mentioned geological areas, the foundation needs to be treated, and the groundwater level needs to be lowered before the foundation is treated, so a precipitation structure needs to be provided.

[0004] A Chinese utility model patent (publication number CN 220414293 U) discloses a deep well point precipitation device, which comprises a precipitation well, a vacuum water pumping pipe and a water pumping pump. The precipitation well comprises a well wall pipe and a water filter pipe, the water filter pipe is fixedly connected with the well wall pipe and the bottom of the water filter pipe is sealed. The vacuum water pumping pipe and the water pumping pump are both arranged inside the precipitation well, the water pumping pump is arranged at one end close to the bottom of the precipitation well, one end of the vacuum water pumping pipe is connected with the water outlet of the water pumping pump, and the other end extends to the well mouth of the precipitation well.

[0005] Although the utility model can rapidly lower the groundwater level, improve the utilization efficiency of groundwater resources, ensure the safety of the foundation pit and the smooth progress of the dry excavation construction of the foundation pit, the structure is relatively complex, the precipitation speed is slow, and the vacuum water pumping pipe and the water pumping pump are both arranged inside the precipitation well. During the water pumping process, the water pumping pump is inevitably damaged, the maintenance difficulty is high, and there are certain deficiencies.

[0006] Therefore, it is hoped to provide a precipitation structure which can accelerate the precipitation speed and has a simple structure and is easy to maintain. UTILITY MODEL CONTENTS

[0007] In order to overcome the shortcomings in the prior art, one purpose of the utility model is to provide a light rapid precipitation structure which can accelerate the precipitation speed, has a simple structure, is easy to maintain and is suitable for large-scale popularization and application.

[0008] Another purpose of the utility model is to provide a light rapid precipitation structure which is ingenious in design, simple in structure, simple to manufacture, low in manufacturing cost, suitable for large-scale popularization and application.

[0009] To achieve the above object, the utility model provides a kind of light quick dewatering structure, including water pump, its characteristics are, the light quick dewatering structure further include first dewatering well, first water pumping pipe, first isolation cloth layer, second dewatering well, second water pumping pipe, second isolation cloth layer and ground water pumping main pipe, wherein:

[0010] The first dewatering well and the second dewatering well are vertically arranged and horizontally spaced from each other, the upper end of the first dewatering well and the upper end of the second dewatering well are flush arranged, and the lower end of the first dewatering well is lower than the lower end of the second dewatering well.

[0011] The first water pumping pipe and the second water pumping pipe are vertically arranged and horizontally spaced from each other, the first water pumping pipe and the second water pumping pipe are vertically inserted into the first dewatering well and the second dewatering well respectively, the upper end of the first water pumping pipe and the upper end of the second water pumping pipe are respectively protruded upward from the upper end of the first dewatering well and the upper end of the second dewatering well, and the water pump is connected to the upper end of the first water pumping pipe and the upper end of the second water pumping pipe through the ground water pumping main pipe.

[0012] The lower end of the first water pumping pipe and the lower end of the second water pumping pipe are both closed ends and located in the lower end of the first dewatering well and the lower end of the second dewatering well respectively, the outer side wall of the lower end of the first water pumping pipe and the outer side wall of the lower end of the second water pumping pipe are respectively provided with first water filtering holes and second water filtering holes, and the first isolation cloth layer and the second isolation cloth layer are wrapped around the lower end of the first water pumping pipe and the lower end of the second water pumping pipe respectively to cover the first water filtering holes and the second water filtering holes.

[0013] Preferably, the water pump is a vacuum pump.

[0014] Preferably, the height of the first dewatering well and the height of the second dewatering well are 6m and 4m respectively.

[0015] Preferably, the first water pumping pipe and the second water pumping pipe are both water pumping steel pipes.

[0016] Preferably, the height of the lower end of the first water pumping pipe and the height of the lower end of the second water pumping pipe are both 1m.

[0017] Preferably, the diameter of the first water filtering hole and the diameter of the second water filtering hole are both 3mm.

[0018] Preferably, the number of the first water filtering holes and the number of the second water filtering holes are both multiple, and the multiple first water filtering holes and the multiple second water filtering holes are arranged at intervals.

[0019] Preferably, both the first isolation layer and the second isolation layer are geotextile layers.

[0020] Preferably, both the first isolation fabric layer and the second isolation fabric layer are multi-layered, with the multi-layered first isolation fabric layer and the multi-layered second isolation fabric layer being sequentially arranged from the outside to the inside. The innermost first isolation fabric layer and the innermost second isolation fabric layer respectively cover the lower end of the first water pumping pipe and the lower end of the second water pumping pipe.

[0021] Preferably, the lightweight rapid precipitation structure further includes a first gravel layer and a second gravel layer, the first gravel layer and the second gravel layer being filled in the lower ends of the first precipitation well and the second precipitation well, respectively, the lower ends of the first pumping pipe and the second pumping pipe being inserted in the first gravel layer and the second gravel layer, respectively, and the first isolation cloth layer and the second isolation cloth layer being located in the first gravel layer and the second gravel layer, respectively.

[0022] The main beneficial effects of this utility model are as follows:

[0023] 1. In this utility model's lightweight rapid dewatering structure, both the first and second dewatering wells are vertically arranged and horizontally spaced apart. The upper ends of the first and second dewatering wells are flush, while the lower end of the first dewatering well is lower than the lower end of the second dewatering well. Both the first and second pumping pipes are vertically arranged and horizontally spaced apart, and are vertically inserted into the first and second dewatering wells respectively. The upper ends of the first and second pumping pipes protrude upwards from the upper ends of the first and second dewatering wells, respectively. Pumps are connected to the first and second pumping pipes via a ground-level main pumping pipe. The upper end of the first pumping pipe and the upper end of the second pumping pipe; the lower end of the first pumping pipe and the lower end of the second pumping pipe are both closed ends and are located in the lower end of the first dewatering well and the lower end of the second dewatering well, respectively. The outer side wall of the lower end of the first pumping pipe and the outer side wall of the lower end of the second pumping pipe are respectively provided with a first filter hole and a second filter hole. The first isolation cloth layer and the second isolation cloth layer respectively cover the lower end of the first pumping pipe and the lower end of the second pumping pipe, thereby covering the first filter hole and the second filter hole, respectively. Therefore, it can accelerate the dewatering speed, and the structure is simple, easy to maintain, and suitable for large-scale promotion and application.

[0024] 2. In this utility model's lightweight rapid dewatering structure, both the first and second dewatering wells are vertically arranged and horizontally spaced apart. The upper ends of the first and second dewatering wells are flush, while the lower end of the first dewatering well is lower than the lower end of the second dewatering well. Both the first and second pumping pipes are vertically arranged and horizontally spaced apart, and are respectively vertically inserted into the first and second dewatering wells. The upper ends of the first and second pumping pipes protrude upwards from the upper ends of the first and second dewatering wells, respectively. Pumps are connected to the first pumping well via a ground-level main pumping pipe. The upper end of the first pumping pipe and the upper end of the second pumping pipe; the lower end of the first pumping pipe and the lower end of the second pumping pipe are both closed ends and are located in the lower ends of the first and second dewatering wells, respectively. The outer side walls of the lower ends of the first and second pumping pipes are respectively provided with first and second filter holes. The first and second isolation cloth layers cover the lower ends of the first and second pumping pipes, respectively, thus covering the first and second filter holes. Therefore, its design is ingenious, its structure is simple, its manufacturing is convenient, its manufacturing cost is low, and it is suitable for large-scale promotion and application.

[0025] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description

[0026] Figure 1 This is a partial sectional view of the main view of a specific embodiment of the lightweight rapid precipitation structure of this utility model.

[0027] (Symbol Explanation)

[0028] 1. Water pump; 2. First dewatering well; 3. First pumping pipe; 4. Second dewatering well; 5. Second pumping pipe; 6. Above-ground main pumping pipe; 7. First filter hole; 8. Second filter hole; 9. First gravel layer; 10. Second gravel layer; 11. Ground surface; 12. Silt. Detailed Implementation

[0029] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.

[0030] 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.

[0031] Please seeFigure 1 As shown, in a specific embodiment of this utility model, the lightweight rapid dewatering structure includes a water pump 1, a first dewatering well 2, a first pumping pipe 3, a first isolation layer (not shown in the figure), a second dewatering well 4, a second pumping pipe 5, a second isolation layer (not shown in the figure), and a ground-level main pumping pipe 6, wherein:

[0032] The first precipitation well 2 and the second precipitation well 4 are both vertically arranged and horizontally spaced apart from each other. The upper ends of the first precipitation well 2 and the upper ends of the second precipitation well 4 are flush, and the lower ends of the first precipitation well 2 are lower than the lower ends of the second precipitation well 4.

[0033] The first pumping pipe 3 and the second pumping pipe 5 are both vertically arranged and horizontally spaced from each other. The first pumping pipe 3 and the second pumping pipe 5 are respectively vertically inserted into the first dewatering well 2 and the second dewatering well 4. The upper ends of the first pumping pipe 3 and the second pumping pipe 5 protrude upwards from the upper ends of the first dewatering well 2 and the second dewatering well 4, respectively. The pumping pump 1 is connected to the upper ends of the first pumping pipe 3 and the second pumping pipe 5 through the above-ground main pumping pipe 6.

[0034] The lower ends of the first pumping pipe 3 and the second pumping pipe 5 are both closed ends and are located in the lower ends of the first dewatering well 2 and the second dewatering well 4, respectively. The outer side walls of the lower ends of the first pumping pipe 3 and the second pumping pipe 5 are respectively provided with a first filter hole 7 and a second filter hole 8. The first isolation cloth layer and the second isolation cloth layer respectively cover the lower ends of the first pumping pipe 3 and the second pumping pipe 5, thereby covering the first filter hole 7 and the second filter hole 8, respectively.

[0035] The water pump 1 can be any suitable type of water pump. In a specific embodiment of this utility model, the water pump 1 is a vacuum pump.

[0036] The heights of the first precipitation well 2 and the second precipitation well 4 can be determined as needed. In a specific embodiment of this utility model, the heights of the first precipitation well 2 and the second precipitation well 4 are 6m and 4m, respectively.

[0037] The distance between the first precipitation well 2 and the second precipitation well 4 can be determined as needed. In a specific embodiment of this utility model, the distance between the first precipitation well 2 and the second precipitation well 4 is 3m.

[0038] The first water-drawing pipe 3 and the second water-drawing pipe 5 can be water-drawing pipes of any suitable material. In a specific embodiment of this utility model, the first water-drawing pipe 3 and the second water-drawing pipe 5 are both water-drawing steel pipes.

[0039] The height of the lower end of the first water pumping pipe 3 and the lower end of the second water pumping pipe 5 can be determined as needed. In a specific embodiment of this utility model, the height of the lower end of the first water pumping pipe 3 and the lower end of the second water pumping pipe 5 are both 1m.

[0040] The diameters of the first water-drawing pipe 3 and the second water-drawing pipe 5 can be determined as needed. In a specific embodiment of this utility model, the diameters of the first water-drawing pipe 3 and the second water-drawing pipe 5 are both 40mm.

[0041] The diameters of the first filter hole 7 and the second filter hole 8 can be determined as needed. In a specific embodiment of this utility model, the diameters of the first filter hole 7 and the second filter hole 8 are both 3mm.

[0042] The number of the first filter holes 7 and the number of the second filter holes 8 can be determined as needed. Please refer to [link / reference]. Figure 1 As shown, in a specific embodiment of this utility model, there are multiple first filter holes 7 and multiple second filter holes 8, and the multiple first filter holes 7 and multiple second filter holes 8 are arranged alternately. The above "multiple" refers to two or more.

[0043] The distance between two adjacent first filter holes 7 and the distance between two adjacent second filter holes 8 can be determined as needed. In a specific embodiment of this utility model, the distance between two adjacent first filter holes 7 and the distance between two adjacent second filter holes 8 are both 10mm.

[0044] The first and second isolation fabric layers can be any suitable type of fabric layer. In a specific embodiment of this utility model, both the first and second isolation fabric layers are geotextile layers.

[0045] The number of layers of the first and second isolation fabric layers can be determined as needed. Preferably, both the first and second isolation fabric layers are multi-layered, with each multi-layered layer sequentially covering the first and second isolation fabric layers from the outside in. The innermost first and second isolation fabric layers respectively cover the lower ends of the first and second pumping pipes 3 and 5. "Multi-layered" refers to two or more layers. In a specific embodiment of this invention, both the first and second isolation fabric layers are five layers.

[0046] The lightweight, rapid precipitation structure may also include any other suitable components; please refer to [link / reference]. Figure 1 As shown, in a specific embodiment of this utility model, the lightweight rapid precipitation structure further includes a first gravel layer 9 and a second gravel layer 10. The first gravel layer 9 and the second gravel layer 10 are respectively filled in the lower end of the first precipitation well 2 and the lower end of the second precipitation well 4. The lower end of the first pumping pipe 3 and the lower end of the second pumping pipe 5 are respectively inserted in the first gravel layer 9 and the second gravel layer 10. The first isolation cloth layer and the second isolation cloth layer are respectively located in the first gravel layer 9 and the second gravel layer 10.

[0047] The heights of the first gravel layer 9 and the second gravel layer 10 can be determined as needed. In a specific embodiment of this utility model, the heights of both the first gravel layer 9 and the second gravel layer 10 are 2m.

[0048] The particle size of the gravel in the first gravel layer 9 and the particle size of the gravel in the second gravel layer 10 can be determined as needed. In a specific embodiment of this utility model, the particle size of the gravel in the first gravel layer 9 and the particle size of the gravel in the second gravel layer 10 are 3 cm.

[0049] During construction, holes are drilled in the ground 11 to form a first dewatering well 2 and a second dewatering well 4. Gravel is used to fill the lower ends of the first dewatering well 2 and the second dewatering well 4, forming a first gravel layer 9 and a second gravel layer 10, respectively. The outer walls of the lower ends of the first pumping pipe 3 and the second pumping pipe 5 are respectively provided with first filter holes 7 and second filter holes 8. A first isolation cloth layer and a second isolation cloth layer are used to cover the lower ends of the first pumping pipe 3 and the second pumping pipe 5, respectively, thus covering the first filter holes 7 and the second filter holes 8. The lower ends of the first pumping pipe 3 and the second pumping pipe 5 are inserted into the first gravel layer 9 in the lower end of the first dewatering well 2 and the second gravel layer 10 in the lower end of the second dewatering well 4, respectively. This isolates the silt 12 through the first and second isolation cloth layers, and further isolates the silt 12 through the first gravel layer 9 and the second gravel layer 10, preventing blockage of the first filter holes 7 and the second filter holes 8.

[0050] When in use, the water pump 1 is started. Deeper groundwater passes through the first gravel layer 9 and the first isolation cloth layer, then enters the lower end of the first water pumping pipe 3 through the first filter hole 7, then enters the ground water pumping main pipe 6 through the upper end of the first water pumping pipe 3, and is finally pumped out by the water pump 1. Shallower groundwater passes through the second gravel layer 10 and the second isolation cloth layer, then enters the lower end of the second water pumping pipe 5 through the second filter hole 8, then enters the ground water pumping main pipe 6 through the upper end of the second water pumping pipe 5, and is finally pumped out by the water pump 1.

[0051] Therefore, this utility model provides a lightweight and rapid dewatering structure that uses dewatering wells of different depths. Silt is isolated by a first and second isolation cloth layer, and then further isolated by a first and second gravel layer to prevent clogging of the first and second filter holes. Water is then pumped out through a first pumping pipe, a second pumping pipe, a surface pumping main pipe, and a pump to achieve the purpose of dewatering. The structure is simple, easy to manufacture, and easy to maintain.

[0052] In summary, the lightweight rapid precipitation structure of this utility model can accelerate the precipitation rate, and it is simple in structure, easy to maintain, ingeniously designed, concise in structure, easy to manufacture, and low in manufacturing cost, making it suitable for large-scale promotion and application.

[0053] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. A lightweight, rapid precipitation structure, comprising a water pump, characterized in that, The lightweight rapid precipitation structure also includes a first precipitation well, a first pumping pipe, a first isolation layer, a second precipitation well, a second pumping pipe, a second isolation layer, and a surface pumping main pipe, wherein: The first and second dewatering wells are both vertically arranged and horizontally spaced apart from each other. The upper ends of the first and second dewatering wells are flush with each other, and the lower end of the first dewatering well is lower than the lower end of the second dewatering well. The first pumping pipe and the second pumping pipe are both vertically arranged and horizontally spaced apart from each other. The first pumping pipe and the second pumping pipe are respectively vertically inserted into the first dewatering well and the second dewatering well. The upper ends of the first pumping pipe and the second pumping pipe protrude upwards from the upper ends of the first dewatering well and the second dewatering well, respectively. The pumping pump is connected to the upper ends of the first pumping pipe and the upper ends of the second pumping pipe through the above-ground main pumping pipe. The lower ends of the first pumping pipe and the second pumping pipe are both closed ends and are located in the lower ends of the first and second dewatering wells, respectively. The outer side walls of the lower ends of the first and second pumping pipes are respectively provided with a first filter hole and a second filter hole. The first and second isolation cloth layers cover the lower ends of the first and second pumping pipes, respectively, thereby covering the first filter hole and the second filter hole.

2. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The water pump is a vacuum pump.

3. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The heights of the first and second dewatering wells are 6m and 4m, respectively.

4. The lightweight rapid precipitation structure as described in claim 1, characterized in that, Both the first and second pumping pipes are steel pumping pipes.

5. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The height of the lower end of the first water pumping pipe and the lower end of the second water pumping pipe are both 1m.

6. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The diameter of the first filter hole and the diameter of the second filter hole are both 3 mm.

7. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The number of the first filter holes and the number of the second filter holes are both multiple, and the multiple first filter holes and the multiple second filter holes are arranged at intervals.

8. The lightweight rapid precipitation structure as described in claim 1, characterized in that, Both the first isolation layer and the second isolation layer are geotextile layers.

9. The lightweight rapid precipitation structure as described in claim 1, characterized in that, Both the first and second isolation fabric layers are multi-layered, with the multi-layered first and second isolation fabric layers sequentially covering the lower ends of the first and second water pumping pipes, respectively.

10. The lightweight rapid precipitation structure as described in claim 1, characterized in that, The lightweight rapid precipitation structure also includes a first gravel layer and a second gravel layer, which are respectively filled in the lower ends of the first precipitation well and the second precipitation well. The lower ends of the first pumping pipe and the second pumping pipe are respectively inserted in the first gravel layer and the second gravel layer. The first isolation cloth layer and the second isolation cloth layer are respectively located in the first gravel layer and the second gravel layer.

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