CN214669063U

CN214669063U - Open-air normal position runoff district of surface runoff and interflow of collection

Info

Publication number: CN214669063U
Application number: CN202121008748.8U
Authority: CN
Inventors: 张含玉; 刘前进
Original assignee: Linyi University
Current assignee: Linyi University
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-09
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a field in-situ runoff plot for collecting surface runoff and interflow, which belongs to the field of water and soil conservation and is used for a water and soil conservation test, and comprises surrounding peduncles arranged on the top and two sides of a plot; a retaining wall is arranged at the slope bottom position of the land parcel, a runoff collecting tank is arranged at the top of the retaining wall, and the runoff collecting tank is communicated with the surface runoff collecting main pool through a runoff drainage pipe; an interflow collecting groove is arranged in the retaining wall below the runoff collecting groove, the interflow collecting groove is communicated with the sloping field through a communicating hole, an interflow drainage pipe communicated with the interflow collecting groove is also arranged on the retaining wall, and a water outlet of the interflow drainage pipe is positioned in the interflow collecting main pool; the top of the surface runoff collecting main pool and the top of the interflow collecting main pool are covered with covers, and the bottom of the surface runoff collecting main pool and the interflow collecting main pool is additionally provided with a drainage valve. The surface runoff and the interflow can be reasonably observed and measured by arranging the in-situ runoff plot in the field.

Description

Open-air normal position runoff district of surface runoff and interflow of collection

Technical Field

The utility model belongs to soil and water conservation test field, specifically speaking especially relates to a collect open-air normal position runoff district of surface runoff and interflow.

Background

In the field of soil erosion and water and soil conservation, runoff cells are arranged, indexes such as rainfall, runoff and silt are observed, the influence of different measures on water and soil loss under the conditions of natural rainfall and artificial rainfall simulation is researched, the relation between natural and artificial factors and the water and soil loss is analyzed, and a water and soil loss prediction model is favorably established to guide water and soil loss treatment similar to other areas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collect open-air normal position runoff district of surface runoff and interflow, it can be through setting up normal position runoff district in the field, carries out reasonable observation and measurement to surface runoff and interflow.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

in the field in-situ runoff plot for collecting surface runoff and interflow, the slope top and two sides of a research plot are provided with surrounding stems which are higher than the upper surface of the plot; a retaining wall is arranged at the slope bottom position of the land parcel, a runoff collecting groove is arranged at the top of the retaining wall, a runoff drainage pipe communicated with the runoff collecting groove is arranged on the retaining wall, and a water outlet of the runoff drainage pipe is positioned in the surface runoff collecting main pool; an interflow collecting groove is arranged in a retaining wall below the runoff collecting groove, the interflow collecting groove is communicated with a land parcel through a communicating hole, an interflow drainage pipe communicated with the interflow collecting groove is also arranged on the retaining wall, and a water outlet of the interflow drainage pipe is positioned in the interflow collecting main pool; the top of the surface runoff collecting main pool and the top of the interflow collecting main pool are covered with covers, and the bottom of the surface runoff collecting main pool and the interflow collecting main pool is additionally provided with a drainage valve.

Further say, the utility model discloses in one side of surface runoff mass flow principal pond still be provided with surface runoff mass flow subpool, surface runoff mass flow principal pond passes through overflow mouth and surface runoff mass flow subpool intercommunication, and the top opening of surface runoff mass flow subpool is stamped the lid, and the bottom intercommunication of surface runoff mass flow subpool has drainage valve.

Further say, the utility model discloses in one side of interflow mass flow owner pond still be provided with interflow flow mass flow subpool, interflow flow mass flow owner pond passes through overflow mouth and interflow flow mass flow subpool intercommunication, the open-top department in interflow flow mass flow subpool is stamped the lid, the bottom intercommunication in interflow flow mass flow subpool has drainage valve.

Further, the utility model provides a retaining wall in one side processing of keeping away from the intercommunicating pore have with interflow class mass flow groove intercommunication a plurality of holes of cleaning, cleaning hole and intercommunicating pore all are located interflow class mass flow groove's top.

Further, in the present invention, the communication hole and the communication position of the sloping field are provided with a gauze for blocking the inflow of soil.

Further, the utility model discloses in the slope top of landmass and the surrounding peduncle outside that both sides set up be provided with the catch basin.

Further say, the utility model discloses in the bottom surface in runoff collection groove, interflow collection groove from both sides border to the slope of middle part below, the bottom in runoff collection groove, interflow collection groove communicates respectively to have runoff drain pipe, interflow drain pipe bottom.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can be through the test mode that sets up normal position runoff district at open-air sloping field, survey surface runoff and interflow, can help establishing the soil erosion prediction model of district more accurately, guide the soil erosion and water loss of similar other areas to administer.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. ridging; 2. a radial flow collecting groove; 3. enclosing ridges; 4. cleaning the hole; 5. an interflow flow collecting main pool; 6. an interflow collecting sub-pool; 7. an interflow drain pipe; 8. surface runoff collecting auxiliary pool; 9. surface runoff collecting main pool; 10. a runoff drainage pipe; 11. an interflow collecting groove; 12. a communicating hole; 13. and (5) protecting the wall.

Detailed Description

The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all oriented to correspond to the visual orientations shown in the drawings of the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as providing those skilled in the art with a better understanding of the technical aspects of the present invention.

In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

A field in-situ runoff plot for collecting surface runoff and interflow is characterized in that surrounding stems 3 are arranged on the top and two sides of a plot, and the surrounding stems 3 are higher than the upper surface of the plot; a retaining wall 13 is arranged at the slope bottom position of the land, a runoff collecting groove 2 is arranged at the top of the retaining wall 13, a runoff drainage pipe 10 communicated with the runoff collecting groove 2 is arranged on the retaining wall 13, and a water outlet of the runoff drainage pipe 10 is positioned in the surface runoff collecting main pool 9; an interflow collecting tank 11 is arranged in a retaining wall 13 below the runoff collecting tank 2, the interflow collecting tank 11 is communicated with a sloping field through a communicating hole 12, an interflow drainage pipe 7 communicated with the interflow collecting tank 11 is further arranged on the retaining wall 13, and a water outlet of the interflow drainage pipe 7 is positioned in the interflow collecting main pool 5; the upper parts of the surface runoff collecting main pool 9 and the interflow collecting main pool 5 are covered with covers, and the bottoms of the surface runoff collecting main pool 9 and the interflow collecting main pool 5 are additionally provided with drainage valves.

Example 2

A field in-situ runoff plot for collecting surface runoff and interflow is characterized in that a surface runoff collecting sub-pool 8 is further arranged on one side of a surface runoff collecting main pool 9, the surface runoff collecting main pool 9 is communicated with the surface runoff collecting sub-pool 8 through an overflow port, a cover body is covered on an opening at the top of the surface runoff collecting sub-pool 8, and a drainage valve is communicated with the bottom of the surface runoff collecting sub-pool 8; one side of the interflow flow collecting main pool 5 is also provided with an interflow flow collecting auxiliary pool 6, the interflow flow collecting main pool 5 is communicated with the interflow flow collecting auxiliary pool 6 through an overflow port, a cover body covers the opening at the top of the interflow flow collecting auxiliary pool 6, and the bottom of the interflow flow collecting auxiliary pool 6 is communicated with a drainage valve; a plurality of cleaning holes 4 communicated with the interflow collecting tank 11 are processed on one side of the retaining wall 13 far away from the communicating hole 12, and the cleaning holes 4 and the communicating hole 12 are both positioned above the interflow collecting tank 11; a gauze for blocking soil from flowing in is arranged at the communication position of the communication hole 12 and the sloping field; intercepting ditches are arranged at the top of the slope and the outer sides of the surrounding stems 3 arranged at the two sides of the slope; the bottom surfaces of the radial flow collecting groove 2 and the interflow collecting groove 11 are inclined from the edges of two sides to the lower part of the middle part, and the lowest parts of the bottoms of the radial flow collecting groove 2 and the interflow collecting groove 11 are respectively communicated with a radial flow drain pipe 10 and an interflow drain pipe 7. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

On the basis of the above embodiments, the present invention proceeds with detailed descriptions of technical features and functions thereof, so as to help those skilled in the art fully understand the technical solution of the present invention and reproduce it.

As shown in fig. 1-2, collect open-air normal position runoff district of surface runoff and interflow, it needs to set up rectangular runoff district on smooth landmass for long limit perpendicular to contour line, minor face are on a parallel with contour line, can set up a plurality of runoff districts in same sloping ground. Specifically, the surrounding peduncles 3 higher than the surface of the sloping field are arranged at the top and two sides of the sloping field to realize the arrangement of field in-situ runoff plot, the height of the surrounding peduncles 3 higher than the sloping surface is 20cm, the degree of being buried in the sloping surface is 30cm, the thickness is 8cm,the outer side of the surrounding peduncle 3 should be provided with a protective belt such as a catch basin to prevent runoff in other cells from entering the cell. Specifically, the distance between the catch basin and the slope surrounding stalk 3 is not less than 50cm, the depth is about 30cm, the top width is about 50cm, and the bottom width is about 30 cm. The size of the cell is 5m × 10m, wherein the width should be parallel to the contour line, the length should be the length of the horizontal projection, and the horizontal projection area of the cell is 50m²。

The utility model discloses in open-air normal position runoff district can collect surface runoff and interflow simultaneously. The surface runoff and interflow collection is realized mainly by the surface runoff collecting main pool 9 and the interflow collecting main pool 5. When the main pool is full of water, one seventh of water can enter into the auxiliary pools, such as the interflow collecting auxiliary pool 6 and the surface runoff collecting auxiliary pool 8, through the overflow ports. The sizes of the surface runoff collecting main pool 9 and the interflow collecting main pool 5 are 1.0m multiplied by 1.0m, and the sizes of the interflow collecting auxiliary pool 6 and the surface runoff collecting auxiliary pool 8 are 1.0m multiplied by 0.9 m.

In order to realize the collection of the land runoff, a runoff collecting groove 2 is arranged at the position of the slope bottom of the slope, the runoff collecting groove 2 can collect the runoff, and the runoff is sent into a surface runoff collecting main pool 9 through a runoff drainage pipe 10 communicated with the runoff collecting groove 2. The utility model discloses in, runoff mass flow groove 2 be located 13 tops of dado of slope bottom position department, still be provided with interflow mass flow groove 11 in dado 13 of runoff mass flow groove 2 below, the longitudinal section of interflow mass flow groove 11 is the rectangle, its one side top near domatic is provided with the intercommunicating pore 12 with domatic intercommunication, the intercommunicating pore 12 should adopt the structure that can prevent soil entering such as gauze with the position department of domatic soil contact to block. The interflow collecting tank 11 is provided with an interflow drainage pipe 7 communicated with the interflow collecting main pool 5 below one side far away from the slope surface, so that the interflow collected by the interflow collecting tank 11 is sent to the interflow collecting main pool 5 for storage and metering.

The utility model discloses in, no matter interflow mass flow main pool 5, interflow mass flow subpool 6 or surface runoff mass flow main pool 9, surface runoff mass flow subpool 8, it all need cover the lid in open-top position department when using to the rainwater gets into. Meanwhile, according to the conditions of local precipitation and runoff production, the design standard can be positioned for 20-year-one-meeting and 3-6-hour maximum rainstorm intensity, the width of the pool wall is 0.6m, the middle part of the pool wall is a 200# concrete impervious wall with the width of 0.1m, the two sides of the concrete impervious wall are respectively paved with 100# mortar brick walls, and the pool bottom is paved with 0.4m high 200# concrete. And a drainage valve for draining water is additionally arranged at the bottom of the tank body.

The utility model discloses in, because interflow mass flow groove 11 is located the inside of revetment 13, in order to facilitate cleaning and exhaust, can keep away from domatic one side upper portion processing at interflow mass flow groove 11 and have the hole of cleaning 4 that link up the outside, the hole of cleaning 4 along the length direction equipartition of interflow mass flow groove 11.

The utility model discloses in, when observing the runoff, water gaging equipment adopts the volume method, realizes the runoff total amount observation in the certain time according to the water level variation of surface runoff mass flow owner pond 9, surface runoff mass flow auxiliary tank 8, simultaneously in order to observe the runoff process, can increase fluviograph or water gaging meter in above-mentioned cell body, observes through the change of fluviograph or water gaging meter.

The utility model discloses in, combine the infiltration performance of soil, the interflow mass flow main tank 5, the interflow mass flow subpool 6 that the design was used for interflow to collect carry out the volume determination to the interflow water in the above-mentioned cell body. The interflow in the utility model is mainly the plough layer interflow, and the soil depth is about 25cm generally.

Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A field in-situ runoff plot for collecting surface runoff and interflow is characterized in that: surrounding stems (3) are arranged on the top of the slope and two sides of the land, and the surrounding stems (3) are higher than the upper surface of the land; a retaining wall (13) is arranged at the slope bottom position of the land, a runoff collecting groove (2) is arranged at the top of the retaining wall (13), a runoff drainage pipe (10) communicated with the runoff collecting groove (2) is arranged on the retaining wall (13), and the water outlet of the runoff drainage pipe (10) is positioned in the surface runoff collecting main pool (9); an interflow collecting groove (11) is arranged in a retaining wall (13) below the runoff collecting groove (2), the interflow collecting groove (11) is communicated with a land parcel through a communicating hole (12), an interflow drainage pipe (7) communicated with the interflow collecting groove (11) is also arranged on the retaining wall (13), and a water outlet of the interflow drainage pipe (7) is positioned in the interflow collecting main pool (5); the upper parts of the surface runoff collecting main pool (9) and the interflow collecting main pool (5) are covered with cover bodies, and the bottoms of the surface runoff collecting main pool (9) and the interflow collecting main pool (5) are additionally provided with drainage valves.

2. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: and one side of the surface runoff flow collecting main tank (9) is also provided with a surface runoff flow collecting auxiliary tank (8), the surface runoff flow collecting main tank (9) is communicated with the surface runoff flow collecting auxiliary tank (8) through an overflow port, a cover body is covered on an opening at the top of the surface runoff flow collecting auxiliary tank (8), and the bottom of the surface runoff flow collecting auxiliary tank (8) is communicated with a drainage valve.

3. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: one side of the interflow flow collecting main pool (5) is also provided with an interflow flow collecting auxiliary pool (6), the interflow flow collecting main pool (5) is communicated with the interflow flow collecting auxiliary pool (6) through an overflow port, a cover body covers the opening at the top of the interflow flow collecting auxiliary pool (6), and the bottom of the interflow flow collecting auxiliary pool (6) is communicated with a drainage valve.

4. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: and a plurality of cleaning holes (4) communicated with the interflow collecting groove (11) are processed on one side of the retaining wall (13) far away from the communicating hole (12), and the cleaning holes (4) and the communicating hole (12) are both positioned above the interflow collecting groove (11).

5. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: and a gauze for blocking the inflow of soil is arranged at the communication position of the communication hole (12) and the land.

6. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: and intercepting ditches are arranged at the slope tops of the plots and the outer sides of the surrounding stems (3) arranged at the two sides of the plots.

7. A field runoff in situ plot for collecting surface and subsurface flow as claimed in claim 1 wherein: the bottom surfaces of the radial flow collecting groove (2) and the interflow flow collecting groove (11) are inclined from the edges of two sides to the lower part of the middle part, and the bottommost parts of the bottom of the radial flow collecting groove (2) and the bottom of the interflow flow collecting groove (11) are respectively communicated with a radial flow drain pipe (10) and an interflow drain pipe (7).