Non-point source pollution underground diffusion prevention and control system

Abstract

The utility model discloses a non-point source pollution underground diffusion prevention and control system, and belongs to the technical field of non-point source pollution prevention and control, the non-point source pollution underground diffusion prevention and control system comprises a frame and a purification prevention and control wall, the frame is pre-buried underground at the downstream of non-point source pollution, the purification prevention and control wall is located in the frame, the purification prevention and control wall is matched with the frame, and sliding grooves are symmetrically formed in the inner walls of the two sides of the frame; sliding blocks are symmetrically and fixedly connected to the two sides of the purification prevention and control wall, the sliding blocks are located in the sliding grooves, the sliding blocks are slidably connected with the sliding grooves, and vertical grooves are formed in the inner walls of the sliding grooves; the purification prevention and control wall is placed in the interior of the frame, the sliding blocks slide into the sliding grooves, installation of the purification prevention and control wall can be completed, the supporting plate can be driven to move upwards by rotating the lead screw, the supporting plate can eject the purification prevention and control wall upwards, and therefore the purification prevention and control wall can be disassembled; the convenience of mounting and dismounting the purification prevention and control wall is improved, so that the filtering and purifying material in the purification prevention and control wall is replaced, and the use is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of non-point source pollution prevention and control, and in particular to an underground diffusion prevention and control system for non-point source pollution. Background Art

[0002] Non-point source pollution, also known as non-point source pollution, is mainly composed of soil silt particles, nutrients such as nitrogen and phosphorus, pesticides, various atmospheric particulate matter, etc., which enter the water, soil or atmospheric environment through surface runoff, soil erosion, farmland drainage, etc. For non-point source pollution, trenches are generally dug downstream of the pollution source, and purification and control walls are installed to remove impurities and purify the groundwater passing through.

[0003] The published patent document with announcement number CN219689557U provides a permeable reaction wall composite ecological grass ditch device for farmland pollution prevention and control. This published patent document combines the ecological grass ditch and the permeable reaction wall, which can simultaneously utilize biological purification and physical adsorption to achieve the removal of multiple agricultural non-point source pollutants, and can effectively utilize the natural conditions of the terrain to prevent non-point source pollution from migrating to the river channel. It has the advantages of low cost and simple maintenance, and does not require a large amount of manpower and material resources for operation and maintenance management in the later stage; however, in the above-mentioned published patent document, the permeable reaction wall is not easy to dismantle and remove from the underground, which makes it inconvenient to replace the filtering and purification materials. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present application provides an underground diffusion prevention and control system for non-point source pollution, which overcomes the shortcomings of the existing technology and aims to solve the problems in the existing technology.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an underground diffusion control system for non-point source pollution, comprising a frame and a purification control wall, the frame being pre-buried underground downstream of the non-point source pollution, the purification control wall being located inside the frame, and the purification control wall being adapted to the frame, and slide grooves being symmetrically provided on the inner walls on both sides of the frame, and sliders being symmetrically fixedly connected on both sides of the purification control wall, the sliders being located inside the slide grooves, and the sliders being slidably connected to the slide grooves, a vertical groove being provided on the inner wall of the slide groove, a support plate being slidably connected inside the vertical groove, and a lead screw being rotatably connected inside the vertical groove, the upper end of the lead screw passing through the top of the frame, and the lead screw passing through the support plate, the support plate being connected to the lead screw by threads, and a part of the support plate being inside the slide groove.

[0006] By adopting the above technical solution, the purification and control wall is placed inside the frame, and the slider is slid into the slide groove to complete the installation of the purification and control wall. The rotating screw can drive the support plate to move upward, and the support plate can push the purification and control wall upward, thereby facilitating the disassembly of the purification and control wall so as to replace the filtering and purification materials inside the purification and control wall.

[0007] As a preferred technical solution of the present application, the interior of the purification and control wall is filled with a coarse stone layer, a fine stone layer, a fine sand layer, an activated carbon layer and a selective permeability membrane layer in sequence.

[0008] By adopting the above technical scheme, the coarse stone layer, fine stone layer and fine sand layer can block the solid impurities in the water polluted by the surface source, the activated carbon layer can adsorb the irritating odor in the water polluted by the surface source, and the selective permeable membrane layer can block and filter the nitrogen and phosphorus in the water polluted by the surface source.

[0009] As a preferred technical solution of the present application, the front, rear and top sides of the frame are all open-hole type.

[0010] By adopting the above technical solution, the installation of the purification and control wall can be facilitated without affecting the removal and purification of water.

[0011] As a preferred technical solution of the present application, both sides of the purification and control wall are open-hole type, and matching stainless steel meshes are fixedly installed on both sides inside the purification and control wall.

[0012] By adopting the above technical solution, the stainless steel mesh prevents the coarse stone layer, fine stone layer, fine sand layer, activated carbon layer and selective permeability membrane layer inside the purification and control wall from leaking out.

[0013] As a preferred technical solution of the present application, the top of the slide chute is an open hole type.

[0014] By adopting the above technical solution, the slider can be easily slid in and out from the top.

[0015] As a preferred technical solution of the present application, a handwheel is fixedly mounted on the upper end of the lead screw.

[0016] By adopting the above technical solution, it is convenient to rotate the lead screw.

[0017] Beneficial effects of this application:

[0018] 1. The purification control wall can be installed by placing the purification control wall inside the frame and sliding the slider into the slide groove. The support plate can be driven to move upward by rotating the lead screw, and the support plate can push the purification control wall upward, so that the purification control wall can be disassembled, increasing the convenience of installation and disassembly of the purification control wall, so as to replace the filtering and purification materials inside the purification control wall, which is easy to use.

[0019] 2. The coarse stone layer, fine stone layer and fine sand layer can block the solid impurities in the water polluted by non-point source. The activated carbon layer can adsorb the pungent odor in the water polluted by non-point source. The selective permeable membrane layer can block and filter the nitrogen and phosphorus in the water polluted by non-point source. It has good filtering and purification functions for non-point source polluted water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of this application;

[0021] Figure 2 This is a schematic diagram of the structure of the application framework and the purification and control wall from the side;

[0022] Figure 3 For this application Figure 2 A magnified view of middle;

[0023] Figure 4 A schematic diagram of a part of the structure of the application from the side;

[0024] Figure 5 This is a cross-sectional view of the side view of the purification and control wall for this application.

[0025] In the figure: 1. frame; 2. purification and control wall; 3. hand wheel; 4. stainless steel mesh; 5. slide groove; 6. slider; 7. vertical groove; 8. support plate; 9. screw; 10. coarse stone layer; 11. fine stone layer; 12. fine sand layer; 13. activated carbon layer; 14. selective permeability membrane layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] Reference Figure 1-4 The non-point source pollution underground diffusion prevention and control system includes a frame 1 and a purification prevention and control wall 2. The frame 1 is pre-buried in the underground downstream of the non-point source pollution. The purification prevention and control wall 2 is inside the frame 1, and the purification prevention and control wall 2 is adapted to the frame 1. The inner walls on both sides of the frame 1 are symmetrically provided with slide grooves 5. The two sides of the purification prevention and control wall 2 are symmetrically fixedly connected with sliders 6. The sliders 6 are inside the slide grooves 5, and the sliders 6 are slidably connected to the slide grooves 5. The inner wall of the slide groove 5 is provided with a vertical groove 7. The interior of the vertical groove 7 is slidably connected with a support plate 8, and the interior of the vertical groove 7 is rotatably connected with a lead screw 9. The upper end of the lead screw 9 passes through the top of the frame 1, and the lead screw 9 passes through the support plate 8. The support plate 8 and the lead screw 9 are connected by threads, and a part of the support plate 8 is inside the slide groove 5; by placing the purification and control wall 2 inside the frame 1 and sliding the slider 6 into the slide groove 5, the installation of the purification and control wall 2 can be completed, and the support plate 8 can be driven to move upward by rotating the lead screw 9, and the support plate 8 can push the purification and control wall 2 upward, thereby facilitating the disassembly of the purification and control wall 2, so as to replace the filtering and purification material inside the purification and control wall 2.

[0028] Reference Figure 5 The interior of the purification and control wall 2 is filled with a coarse stone layer 10, a fine stone layer 11, a fine sand layer 12, an activated carbon layer 13 and a selective permeability membrane layer 14 in sequence; the coarse stone layer 10, the fine stone layer 11 and the fine sand layer 12 can block solid impurities in the water polluted by the surface source, the activated carbon layer 13 can adsorb pungent odors in the water polluted by the surface source, and the selective permeability membrane layer 14 can block and filter nitrogen and phosphorus in the water polluted by the surface source.

[0029] Reference Figure 2 The front, rear and top sides of the frame 1 are all open-hole type; through the frame 1 with open holes on the front, rear and top sides, it is convenient to install the purification and control wall 2 without affecting the impurity removal and purification of water.

[0030] Reference Figure 1 , Figure 2 and Figure 5 The two sides of the purification and control wall 2 are open-hole type, and matching stainless steel meshes 4 are fixedly installed on both sides inside the purification and control wall 2; the stainless steel mesh 4 prevents the coarse stone layer 10, fine stone layer 11, fine sand layer 12, activated carbon layer 13 and selective permeability membrane layer 14 inside the purification and control wall 2 from leaking out.

[0031] Reference Figure 3 and Figure 4 The top of the slide groove 5 is an open hole type; through the top open hole type slide groove 5, the slider 6 is convenient to slide in and out from the top.

[0032] Reference Figure 1 and Figure 4 A hand wheel 3 is fixedly mounted on the upper end of the screw 9; the hand wheel 3 is used to conveniently rotate the screw 9.

[0033] Working principle: During use, first rotate the screw 9 through the hand wheel 3, and the screw 9 drives the support plate 8 to move downward to the bottom, and then place the purification and control wall 2 inside the frame 1, slide the slider 6 into the slide groove 5, and slide the purification and control wall 2 completely into the frame 1. The installation of the purification and control wall 2 can be completed, and the coarse stone layer 10 is placed close to the upstream of the non-point source pollution. The coarse stone layer 10, the fine stone layer 11, and the fine sand layer 12 can block the solid impurities in the non-point source polluted water, and the activated carbon layer 13 can stimulate the non-point source polluted water. The odor can be adsorbed, and the nitrogen and phosphorus in the surface source polluted water can be blocked and filtered through the selective permeable membrane layer 14. It has good filtering and purification functions for surface source polluted water. When the coarse stone layer 10, the fine stone layer 11, the fine sand layer 12, the activated carbon layer 13 and the selective permeable membrane layer 14 need to be replaced, the hand wheel 3 is rotated to drive the screw 9 to rotate, and the screw 9 drives the support plate 8 to move upward, and the support plate 8 can push the purification and control wall 2 upward, thereby facilitating the disassembly of the purification and control wall 2, so as to replace the filtering and purification materials inside the purification and control wall 2.

[0034] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An underground diffusion prevention and control system for non-point source pollution, comprising a frame (1) and a purification prevention and control wall (2), characterized in that: The frame (1) is pre-buried underground downstream of the surface source pollution, the purification and control wall (2) is located inside the frame (1), and the purification and control wall (2) is adapted to the frame (1), the inner walls on both sides of the frame (1) are symmetrically provided with slide grooves (5), the two sides of the purification and control wall (2) are symmetrically fixedly connected with sliders (6), the sliders (6) are located inside the slide grooves (5), and the sliders (6) are slidably connected to the slide grooves (5), the inner wall of the slide groove (5) is provided with a vertical groove (7), the interior of the vertical groove (7) is slidably connected with a support plate (8), and the interior of the vertical groove (7) is rotatably connected with a lead screw (9), the upper end of the lead screw (9) passes through the top of the frame (1), and the lead screw (9) passes through the support plate (8), the support plate (8) is connected to the lead screw (9) by threads, and a part of the support plate (8) is located inside the slide groove (5).

2. The underground diffusion prevention and control system for non-point source pollution according to claim 1 is characterized in that: The interior of the purification and control wall (2) is filled with a coarse stone layer (10), a fine stone layer (11), a fine sand layer (12), an activated carbon layer (13), and a selective permeation membrane layer (14) in sequence.

3. The underground diffusion prevention and control system for non-point source pollution according to claim 1 is characterized in that: The front, rear and top sides of the frame (1) are all open-hole-type.

4. The underground diffusion prevention and control system for non-point source pollution according to claim 1 is characterized in that: Both sides of the purification and control wall (2) are open-hole-type, and matching stainless steel meshes (4) are fixedly installed on both sides inside the purification and control wall (2).

5. The underground diffusion prevention and control system for non-point source pollution according to claim 1 is characterized in that: The top of the slide groove (5) is open-hole type.

6. The underground diffusion prevention and control system for non-point source pollution according to claim 1 is characterized in that: A hand wheel (3) is fixedly mounted on the upper end of the lead screw (9).

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