Gutter inlet filtering device for municipal engineering

Abstract

The utility model relates to the technical field of municipal engineering gutter inlets, and discloses a municipal engineering gutter inlet filtering device which comprises a well body, a first groove, a second groove, a third groove and a fourth groove are sequentially formed in the well body from top to bottom, and a well lid is arranged in the first groove; impurities with large sizes in rainwater can be preliminarily intercepted through the through holes, the impurities are intercepted again through the coarse screen layer, the fine filter screen layer further captures tiny particles and part of oil stains, the biological adsorption layer degrades organic pollutants through specific microorganisms, the water quality purification effect is improved, and after being used for a period of time, the water quality purification effect is improved. The filter box can be taken down from the well body through a handle so that large sundries in the filter box can be cleaned, an insertion plate is pulled through a notch so that a coarse screen layer, a fine filter screen layer and a biological adsorption layer can be cleaned and replaced, and the well lid is taken out of a first groove so that impurities in a second groove can be cleaned.

Description

Technical Field

[0001] The present application relates to the technical field of municipal engineering rainwater inlets, and in particular to a municipal engineering rainwater inlet filtering device. Background Art

[0002] A stormwater inlet refers to a facility that collects surface water from a piped drainage system. It is a structure that collects rainwater on a stormwater canal or combined canal, and consists of an inlet grate, a well body, and branch pipes. It is a basic component of the stormwater system. Rainwater from roads, grasslands, and even the roofs of some buildings first flows into the stormwater inlet through the grate, and then flows into rivers or lakes through connecting pipes. The stormwater inlet is the entrance for rainwater to enter the city's underground. It is an important facility for collecting ground rainwater and directly sends rainwater from the sky to the city's river and lake systems. It is both a bottleneck for collecting rainwater runoff in the urban drainage system and the primary channel for urban non-point source pollutants to enter the water environment. It not only drains urban roads but also replenishes water for urban water bodies. Existing urban stormwater inlets have a relatively simple structure. The design of the stormwater inlet mostly adopts a simple direct discharge method or the installation of a primary filtration device to prevent larger particles from entering the drainage network. However, this traditional rainwater inlet has some defects, such as limited filtering effect, and cannot effectively intercept fine suspended matter, oil pollution and some soluble pollutants, which leads to water quality deterioration and affects the quality of downstream water bodies. It has certain limitations in use. Utility Model Content

[0003] In order to solve the problems raised by the above background technology, the present application provides a rainwater inlet filtering device for municipal engineering.

[0004] The present application provides a municipal engineering rainwater inlet filtering device adopting the following technical solution:

[0005] A rainwater inlet filtering device for a municipal project comprises a well body, wherein the interior of the well body is sequentially provided with a first groove, a second groove, a third groove and a fourth groove from top to bottom, a well cover is provided inside the first groove, a plurality of rainwater inlets for drainage are penetrated through the upper surface of the well cover, the second groove is used for rainwater to flow in, a filter box with an open bottom is provided inside the third groove, a mounting frame is movably provided inside the filter box, three groups of slots are vertically provided inside the mounting frame, the interior of the three groups of slots are all snap-connected with plug plates, and the interiors of the three groups of plug plates are respectively provided with a coarse grid layer, a fine filter mesh layer and a biological adsorption layer from top to bottom, a plurality of fixing components for fixing the mounting frame are provided in the filter box, a plurality of through holes for drainage are provided on the side wall of the filter box, the fourth groove is used to discharge water out of the well body, and a support plate for supporting the mounting frame is symmetrically fixedly installed inside the filter box.

[0006] Preferably, the fixing assembly includes a fixing bolt, the fixing bolt is threadedly mounted on the side wall of the filter box, and a plurality of threaded holes that cooperate with the fixing bolt threads are opened on the outer wall of the mounting frame.

[0007] Preferably, a plurality of circular grooves for receiving fixing bolts are provided on the outer wall of the filter box.

[0008] Preferably, handles are symmetrically provided on the upper surface of the filter box, and receiving grooves are symmetrically opened on the upper surface of the filter box, and the handles are rotatably installed in the receiving grooves.

[0009] Preferably, a through groove is provided in the middle of the upper surface of the manhole cover, and the filter box is located in the through groove.

[0010] Preferably, a notch is provided on one side of the inserting plate.

[0011] In summary, this application has the following beneficial technical effects:

[0012] Compared with the existing technology, it has the function of preliminarily intercepting larger impurities in rainwater through the through holes, intercepting debris again through the coarse grid layer, and further capturing tiny particles and some oil pollution through the fine filter layer. The biological adsorption layer uses specific microorganisms to degrade organic pollutants and improve the water purification effect. After a period of use, the filter box can be removed from the well body by the handle to clean up the large debris in the filter box, and the plug plate can be pulled through the slot to clean and replace the coarse grid layer, fine filter layer and biological adsorption layer, and the manhole cover can be taken out from the first groove to clean up the impurities in the second groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the application;

[0014] Figure 2 is a schematic cross-sectional structural diagram of a well body according to an embodiment of the application;

[0015] Figure 3 This is a schematic structural diagram of a manhole cover according to an embodiment of the application;

[0016] Figure 4 It is a structural diagram of the installation frame of the application embodiment;

[0017] Figure 5 It is a structural diagram of the plug-in board and slot of the embodiment of the application.

[0018] Explanation of the accompanying symbols: 1. Well body; 2. Well cover; 3. Rainwater inlet; 4. Filter box; 5. Handle; 6. Storage slot; 7. Through hole; 8. Mounting frame; 9. Insert plate; 10. Notch; 11. Through slot; 12. First groove; 13. Second groove; 14. Third groove; 15. Fourth groove; 16. Support plate; 17. Fixing bolt; 18. Threaded hole; 19. Circular groove; 20. Slot; 21. Coarse grid layer; 22. Fine filter layer; 23. Biological adsorption layer. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-5 This application is described in further detail.

[0020] The embodiment of the present application discloses a rainwater inlet filtering device for municipal engineering. Figure 1-5 , a rainwater inlet filtering device for municipal engineering, including a well body 1, the interior of the well body 1 is sequentially provided with a first groove 12, a second groove 13, a third groove 14 and a fourth groove 15 from top to bottom, a well cover 2 is provided inside the first groove 12, a plurality of rainwater inlets 3 for drainage are provided on the upper surface of the well cover 2, the second groove 13 is used for rainwater to flow in, a filter box 4 with an open bottom is provided inside the third groove 14, a through groove 11 is provided in the middle of the upper surface of the well cover 2, the filter box 4 is located in the through groove 11, an installation frame 8 is movably provided inside the filter box 4, three groups of slots 20 are vertically provided inside the installation frame 8, the interior of the three groups of slots 20 are all snap-connected with a plug-in plate 9, and the interiors of the three groups of plug-in plates 9 are respectively provided with a coarse grid layer 21, a fine filter mesh layer 22 and a biofilter layer 23 from top to bottom. The filter box 4 has a plurality of fixing components for fixing the mounting frame 8, and the fixing components include fixing bolts 17, which are threadedly mounted on the side wall of the filter box 4. The outer wall of the mounting frame 8 is provided with a plurality of threaded holes 18 that threadably cooperate with the fixing bolts 17. The outer wall of the filter box 4 is provided with a plurality of circular grooves 19 for receiving the fixing bolts 17. The side wall of the filter box 4 is provided with a plurality of through holes 7 for drainage. The fourth groove 15 is used to discharge water from the well body 1. The interior of the filter box 4 is symmetrically fixed with a support plate 16 for supporting the mounting frame 8. The upper surface of the filter box 4 is symmetrically provided with a handle 5, and the upper surface of the filter box 4 is symmetrically provided with a receiving groove 6. The handle 5 is rotatably mounted in the receiving groove 6.

[0021] The implementation principle of the rainwater inlet filtering device of a municipal engineering embodiment of the present application is as follows: the staff inserts the coarse grid layer 21, the fine filter layer 22 and the biological adsorption layer 23 from top to bottom into the slots 20 on the mounting frame 8 through the plug plate 9, and then inserts the mounting frame 8 into the interior of the filter box 4. The mounting frame 8 can be supported by two support plates 16. By rotating multiple fixing bolts 17 so that one end thereof extends into the threaded hole 18, the mounting frame 8 can be installed on the filter box 4, and the filter box 4 is inserted from top to bottom into the third groove 14 on the well body 1, and then the manhole cover 2 is installed in the first groove 12. When it rains, rainwater can enter the second groove 13 on the well body 1 through the rainwater inlet 3, and then the rainwater enters the interior of the filter box 4 through the through hole 7, and then the rainwater can pass through the coarse grid in turn. Layer 21, fine filter layer 22 and biological adsorption layer 23, and finally flows into the urban drainage system through the fourth groove 15. In this process, the larger volume of impurities in the rainwater can be preliminarily intercepted through the through hole 7, and the debris is intercepted again by the coarse grid layer 21. The fine filter layer 22 further captures tiny particles and some oil pollution, and the biological adsorption layer 23 uses specific microorganisms to degrade organic pollutants, thereby improving the water purification effect. After a period of use, the filter box 4 can be removed from the well body 1 through the handle 5 to clean the large debris in the filter box 4, and the plug plate 9 is pulled through the slot 10 to clean and replace the coarse grid layer 21, fine filter layer 22 and biological adsorption layer 23, and the manhole cover 2 is taken out from the first groove 12 to clean the impurities in the second groove 13.

[0022] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0023] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0024] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0025] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A rainwater inlet filtering device for municipal engineering, comprising a well body (1), characterized in that: The interior of the well body (1) is provided with a first groove (12), a second groove (13), a third groove (14) and a fourth groove (15) in sequence from top to bottom. A well cover (2) is provided inside the first groove (12). A plurality of rainwater outlets (3) for drainage are provided through the upper surface of the well cover (2). The second groove (13) is used for rainwater to flow in. A filter box (4) with an open bottom is provided inside the third groove (14). A mounting frame (8) is movably provided inside the filter box (4). Three groups of slots ( 20), the interiors of the three groups of slots (20) are all engaged with plug plates (9), the interiors of the three groups of plug plates (9) are respectively provided with a coarse grid layer (21), a fine filter layer (22) and a biological adsorption layer (23) from top to bottom, the filter box (4) is provided with multiple groups of fixing components for fixing the installation frame (8), the side wall of the filter box (4) is provided with multiple through holes (7) for drainage, the fourth groove (15) is used to discharge water out of the well body (1), and the interior of the filter box (4) is symmetrically fixed with a support plate (16) for supporting the installation frame (8).

2. A rainwater inlet filtering device for municipal engineering according to claim 1, characterized in that: The fixing assembly includes a fixing bolt (17) which is threadedly mounted on the side wall of the filter box (4); and a plurality of threaded holes (18) which are threadedly matched with the fixing bolt (17) are provided on the outer wall of the mounting frame (8).

3. A rainwater inlet filtering device for municipal engineering according to claim 2, characterized in that: A plurality of circular grooves (19) for receiving fixing bolts (17) are provided on the outer wall of the filter box (4).

4. The rainwater inlet filtering device for municipal engineering according to claim 1, characterized in that: The upper surface of the filter box (4) is symmetrically provided with a handle (5), and the upper surface of the filter box (4) is symmetrically provided with a receiving groove (6), and the handle (5) is rotatably installed in the receiving groove (6).

5. The rainwater inlet filtering device for municipal engineering according to claim 1, characterized in that: A through groove (11) is provided in the middle of the upper surface of the manhole cover (2), and the filter box (4) is located in the through groove (11).

6. The rainwater inlet filtering device for municipal engineering according to claim 1, characterized in that: A notch (10) is provided on one side of the inserting plate (9).

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