CN110565782A

CN110565782A - Flood storage and drainage floor drain and construction method thereof

Info

Publication number: CN110565782A
Application number: CN201910872117.1A
Authority: CN
Inventors: 余跃建; 余泓江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2019-12-13

Abstract

The invention belongs to the technical field of flood storage and drainage and discloses a flood storage and drainage floor drain and a construction method thereof. The flood storage and drainage floor drain comprises a water collecting pit and a water seepage well arranged at the bottom of the water collecting pit; the bottom of the seepage well is close to the highest water level of underground water; the water collecting pit is internally provided with a filtering and purifying facility, and the water collecting pit, the filtering and purifying facility and the water seepage well form a water replenishing channel between ground rainwater and underground water. The flood storage and drainage floor drain provided by the invention has the advantages of low comprehensive cost, small environmental influence, simple and effective construction method and suitability for large-scale popularization and use.

Description

Flood storage and drainage floor drain and construction method thereof

Technical Field

The invention belongs to the technical field of flood storage and drainage, and particularly relates to a flood storage and drainage floor drain and a construction method thereof.

Background

In urban construction and industrial and agricultural production in China, water is an indispensable important resource, and is the life pulse of agriculture, industrial blood and the basis for human life and survival. The geographic environment, the production and the living mode of people in China have to influence and change the problem of uneven distribution of water in time and space by constructing a large amount of hydraulic engineering and municipal facilities for the agricultural economic development mode. The water gate is usually built for damming and storing water in mountain areas or conditional valley areas, and the water level is raised, so that water resources can be effectively utilized to a certain extent.

the construction and utilization of water conservancy projects seriously deviate from natural rainfall in time and space, ice and snow in the north in spring (in April) melt to form large water, the agriculture is not used in large quantity, the supply and demand are unbalanced to form flood, and the water demand in the south can be solved only by the water storage of an upstream reservoir and a small amount of rainfall, and is far greater than the supply; in summer (seven to September), precipitation is more than the demand in the south and the north, and flood disasters easily occur in cities and rural areas.

The water control is a world problem from ancient to present and from abroad to China, and the frequent flood accounts for 85 percent of the loss of natural disasters of human beings. The representative projects for water control are reservoir dams, dykes and water gates, and the problems of difficulty in building the water projects, high cost, long period, large environmental influence, relocation and the like are more.

Disclosure of Invention

In order to solve one or more technical problems in the prior art, the invention provides a flood storage and drainage floor drain and a construction method thereof, aiming at adjusting and storing rainfall as much as possible from dredging, blocking and storing through changing a rainfall treatment mode, so that water resources are distributed uniformly, and the harm of flood to the society is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

On one hand, the invention provides a flood storage and drainage floor drain, which comprises a water collecting pit and a water seepage well arranged at the bottom of the water collecting pit; the bottom of the seepage well is close to the highest water level of underground water; the water collecting pit is internally provided with a filtering and purifying facility, and the water collecting pit, the filtering and purifying facility and the water seepage well form a water replenishing channel between ground rainwater and underground water.

Further, filtration purification facility includes follow the activated carbon layer and the rubble permeable bed that upwards set gradually in the bottom of sump pit, the bottom surface and the top surface of activated carbon layer are provided with the geotechnological cloth that permeates water respectively, wherein, the water-fast drought-enduring plant has been planted on the top layer on rubble permeable bed.

Furthermore, filter screens are arranged on the periphery of the top of the water collecting pit.

Furthermore, the wall of the seepage well is provided with a grid reinforcing structure.

On the other hand, the invention also provides a construction method of the flood storage and drainage floor drain, which comprises the following steps:

Measuring and investigating the terrain, landform, hydrology, meteorology and geology in the area range needing to be remedied, and calculating the position, the number and the size of the floor drain according to the measurement and investigation result to obtain design data;

preparing construction materials and instruments on a construction site according to the design information;

performing measurement lofting according to the design data, and determining the position and the size of the floor drain;

Putting a slope and excavating a sump, and drilling a seepage well by using a drilling machine;

reinforcing the wall of the seepage well by using a grid material;

Laying a filtering and purifying facility;

And (5) checking and accepting according to a quality checking and accepting standard.

Further, the method for measuring and surveying the terrain, the landform, the hydrology, the weather and the geology in the area needing to be remediated comprises the following steps:

Trying to dig and drilling a water seepage well, collecting the stratum structure and the water seepage data of the water seepage well, and calculating the permeability coefficient of the area needing to be renovated based on the stratum structure and the water seepage data.

further, the method for measuring and surveying the terrain, the landform, the hydrology, the weather and the geology in the area needing to be remediated further comprises the following steps:

And inquiring local rainfall data, and counting the maximum rainfall intensity and the rainwater standard to be resolved at 24 hours, 6 hours and 1 hour over the years.

further, the size of the sump pit excavated by slope release is as follows: the depth is 1-2 m, and the volume is 5-10 cubic meters.

further, the method for laying the filtering and purifying facility comprises the following steps:

Sequentially arranging permeable geotextile for a bottom layer, activated carbon, permeable geotextile for a middle layer and broken stone upwards at the bottom of the water collecting pit, and planting water-resistant and drought-resistant plants on the surface layer of the broken stone;

And filter screens are arranged around the water collecting pit.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects or advantages:

The invention provides a flood storage and drainage floor drain, which belongs to dam-free water storage, and is characterized in that ground water is changed into underground water to the maximum extent, the distribution of rainfall in time and space is changed to a great extent, and the aim of sponge city construction can be achieved.

the flood storage and drainage floor drain provided by the invention converts the current flood control and drainage technology into pre-treatment before the process of transmission and post-remediation, and regulates and stores rainfall as much as possible from dredging, blocking and storing by changing the rainfall treatment mode, so that water resources are distributed uniformly, and the harm of flood to the society is reduced.

The flood storage and drainage floor drain provided by the invention has the advantages of low comprehensive cost, small environmental influence, simple and effective construction method and suitability for large-scale popularization and use.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a flood storage and drainage floor drain provided by an embodiment of the invention;

Fig. 2 is a flow chart of a method for constructing the flood storage and drainage floor drain provided by the embodiment of the invention.

Detailed Description

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

in the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or the element which is indicated must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention.

in the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the embodiments with specific meanings of the terms in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

as shown in fig. 1, the embodiment of the invention provides a flood storage and drainage floor drain, which comprises a water collecting pit 1 and a water seepage well 2 arranged at the bottom of the water collecting pit 1; the bottom of the seepage well 2 is close to the highest water level of the underground water; a filtering and purifying facility is arranged in the water collecting pit 1, and the water collecting pit 1, the filtering and purifying facility and the water seepage well 2 form a water replenishing channel between ground rainwater and underground water.

In the specific implementation process, it should be noted that the distance from the bottom of the water seepage well 2 to the highest groundwater level in the embodiment of the present invention is specifically about 1-3 m.

The working principle of the flood storage and drainage floor drain provided by the embodiment of the invention is as follows:

When flood occurs, water near the flood storage and drainage floor drain is collected into the water collecting pit 1 and enters the water seepage well 2 through a filtering and purifying facility;

The water seepage well 2 generates high pressure by utilizing the depth of the water seepage well, so that water in the water seepage well 2 permeates and diffuses from the side wall to the periphery of the water seepage well and finally enters an underground water system.

The flood storage and drainage floor drain provided by the embodiment of the invention belongs to dam-free water storage, and is characterized in that ground water is changed into underground water to the maximum extent, the distribution of rainfall on time and space is changed to a great extent, and the aim of sponge city construction can be achieved.

The flood storage and drainage floor drain provided by the embodiment of the invention converts the current flood control and drainage technology into pre-treatment before the work of transmission and post-remediation, and regulates and stores rainfall as much as possible from dredging, blocking and storing by changing the rainfall treatment mode, so that water resources are distributed uniformly, and the harm of flood to the society is reduced.

In a specific implementation process, the filtering and purifying facility in the embodiment of the invention is used for preventing the pollutants in the surface water body from entering the underground water system, so that the underground water body is polluted. There are many existing filtering and purifying facilities, in a further embodiment, the filtering and purifying facility in the embodiment of the present invention includes an activated carbon layer 3 and a gravel permeable layer 4 which are sequentially arranged from the bottom of the sump 1 to the top, and the bottom surface and the top surface of the activated carbon layer 3 are respectively provided with a permeable geotextile 5, wherein a water-resistant drought-resistant plant 6 is planted on the surface layer of the gravel permeable layer 4. Through the combined action of the activated carbon layer 3, the gravel permeable layer 4 and the water-resistant drought-enduring plants, the surface water entering the water seepage well 2 can be effectively filtered and purified, so that the pollutants of the surface water body are effectively prevented from entering the underground water system.

in the embodiment of the present invention, the activated carbon layer 3 is composed of activated carbon particles; the macadam permeable layer 4 consists of macadam particles, wherein the macadam particles are macadam particles with the diameter of 5-10 cm; the water-resistant and drought-resistant plants 6 can be selected from herba Selaginellae, caulis et folium Ipomoeae Aquaticae, etc.

in a specific implementation process, as the flood often carries a lot of sundries such as garbage and the like, in order to prevent the sundries from being accumulated in the water collecting pit and losing the water collecting effect of the water collecting pit, in a further implementation scheme, the filter screens 7 are arranged around the top of the water collecting pit 1 and used for filtering the sundries in the water and preventing the sundries from being accumulated in the water collecting pit.

In a specific implementation process, in order to prevent the wall of the water seepage well 2 from collapsing, in a further implementation scheme, the embodiment of the present invention provides a grid reinforcing structure 8 on the wall of the water seepage well 2, wherein the grid reinforcing structure 8 may be an antirust metal water permeable pipe (net), a plastic water permeable pipe (net), or a reinforced concrete water permeable pipe, etc. The grid reinforcing structure 8 can provide effective support for the well wall of the water seepage well 2 and prevent the well wall of the water seepage well 2 from collapsing; and meanwhile, the outward permeation of the water in the water seepage well 2 is not influenced.

corresponding to the above floor drain for flood storage and drainage, the embodiment of the invention also provides a construction method of the floor drain for flood storage and drainage, as shown in fig. 2, comprising the following steps:

Step S1: measuring and investigating the terrain, landform, hydrology, meteorology and geology in the area range needing to be remedied, and calculating the position, the quantity and the size of the floor drain according to the measuring and investigating result to obtain design data.

In a specific implementation process, the method for measuring and surveying the terrain, the landform, the hydrology, the meteorology and the geology in the area needing to be remediated comprises the following steps:

After obtaining the permeability coefficient of the area to be remedied, the maximum rainfall intensity of 24 hours, 6 hours and 1 hour in the past year and the standard data of the rainwater to be resolved, calculating the number and the position of the flood storage and drainage floor drains required in the area to be remedied and the accumulated water amount required by the water collecting pit of each flood storage and drainage floor drain according to the data, thereby obtaining the geometric dimension of each water collecting pit.

it should be noted that, in the embodiment of the present invention, the query of the local rainfall data is obtained by querying a local relevant department, and the queried data further includes local ground water bit data.

in addition, the size of the water collecting pit is not easy to be too small or too large, and the geometric size of the water collecting pit in the embodiment of the invention is usually 1-2 m deep and the volume is 5-10 cubic meters. When the water collecting pit is arranged in a city or the surrounding environment condition does not allow to be exposed to the sky, high-strength and durable engineering materials can be used for making the top cover and the surrounding slope retaining and also have the filtering function.

After completion of step S1, step S2 is executed: and preparing construction materials and instruments on a construction site according to the design information.

After completion of step S2, step S3 is executed: and measuring and lofting according to the design data, and determining the position and the size of the floor drain.

After completion of step S3, step S4 is executed: and (5) putting a slope, excavating a water collecting pit, and drilling a seepage well by using a drilling machine.

in the specific implementation process, the water collecting pit is used for carrying out slope digging and excavating according to the requirements of an unsupported natural stable soil body in the digging process. And after the sump pit excavated by slope relief reaches the standard, drilling the seepage well by using the drilling machine under the condition of ensuring man-machine safety.

after completion of step S4, step S5 is executed: and reinforcing the wall of the seepage well by using the grid material.

In a specific implementation process, it should be noted that, in the embodiment of the present invention, the mesh material is used for reinforcing the well wall of the water seepage well, which may be drilling and reinforcing, for example, reinforcing once every 4 meters, reinforcing once every 10 meters, and the like; however, it is also possible to form the holes and then to reinforce them once again.

After completion of step S5, step S6 is executed: and laying filtering and purifying facilities.

In a specific implementation process, the method for laying the filtration and purification facility in the embodiment of the invention comprises the following steps:

and filter screens are arranged around the water collecting pit.

After completion of step S6, step S7 is executed: and (5) checking and accepting according to a quality checking and accepting standard.

In a specific implementation process, it should be noted that, in the embodiment of the present invention, the step of performing acceptance according to the quality acceptance standard is a step performed in each link. The acceptance data includes project image data, side station records, etc.

The construction method of the flood storage and drainage floor drain provided by the embodiment of the invention has the advantages of low cost, short time consumption, suitability for various landforms and geomorphology, small environmental influence and suitability for large-scale popularization.

It should be noted that, the flood storage and drainage floor drain provided by the embodiment of the invention can store and preserve surface water, so as to form underground water resources. Therefore, in the subsequent maintenance process, monitoring is needed to prevent harmful enterprises and individuals from stealing and discharging toxic and harmful waste and sewage by riding the airplane, prevent water pollution and protect the water environment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. the floor drain for storing flood and draining waterlogging is characterized by comprising a water collecting pit (1) and a water seepage well (2) arranged at the bottom of the water collecting pit (1); the bottom of the seepage well (2) is close to the highest water level of underground water; the water collecting pit is characterized in that a filtering and purifying facility is arranged in the water collecting pit (1), and the water collecting pit (1), the filtering and purifying facility and the water seepage well (2) form a water replenishing channel between ground rainwater and underground water.

2. A flood storage and drainage floor drain according to claim 1, wherein the filtering and purifying facility comprises an activated carbon layer (3) and a gravel permeable layer (4) which are arranged from the bottom of the water collecting pit (1) to the top in sequence, the bottom surface and the top surface of the activated carbon layer (3) are respectively provided with a permeable geotextile (5), and the surface layer of the gravel permeable layer (4) is planted with a water-resistant drought-resistant plant (6).

3. A flood storage and drainage floor drain according to claim 1, characterized in that a filter screen (7) is arranged around the top of the water collection pit (1).

4. a flood storage and drainage floor drain according to claim 1, characterized in that the wall of the seepage well (2) is provided with a grid reinforcement structure (8).

5. A construction method of the flood storage and drainage floor drain as claimed in any one of claims 1 to 4, characterized by comprising the following steps:

reinforcing the wall of the seepage well by using a grid material;

Laying a filtering and purifying facility;

6. A construction method of a flood storage and drainage floor drain according to claim 5, wherein the method for measuring and surveying the terrain, landform, hydrology, meteorology and geology in the area needing to be remediated comprises the following steps:

7. A construction method of a flood storage and drainage floor drain according to claim 6, wherein the method for measuring and surveying the terrain, landform, hydrology, meteorology and geology in the area to be remediated further comprises:

8. The construction method of the flood storage and drainage floor drain according to claim 5, wherein the size of the sump dug by slope release is as follows: the depth is 1-2 m, and the volume is 5-10 cubic meters.

9. The construction method of the flood storage and drainage floor drain according to claim 5, wherein the method for laying the filtering and purifying facilities comprises the following steps:

and filter screens are arranged around the water collecting pit.