CN219863706U

CN219863706U - Sponge city green roof

Info

Publication number: CN219863706U
Application number: CN202320368587.6U
Authority: CN
Inventors: 吴怡; 张真
Original assignee: Sichuan Agricultural University
Current assignee: Sichuan Agricultural University
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-20
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to the technical field of sponge cities, in particular to a sponge city green roof which comprises a green roof surrounded by protective layers, wherein the green roof is sequentially provided with a vegetation layer, a matrix layer, a water seepage layer, a filter layer, a water storage and drainage layer and a root blocking layer from top to bottom, the filter layer comprises a support box body and a filter sponge, the upper surface of the support box body and the bottom surface of the support box body are both provided with filter screens, the filter sponge is detachably connected inside the support box body, and the sponge can play roles of cooling, heat insulation, beautifying the environment, purifying air and improving local climate, enrich city pitching landscapes and compensate greening areas occupied by buildings.

Description

Sponge city green roof

Technical Field

The utility model relates to the technical field of sponge cities, in particular to a sponge city green roof.

Background

The sponge city is a new generation city rain and flood management concept, and the city has good elasticity in the aspects of adapting to environmental changes and responding to natural disasters caused by rainwater. The main technology for purifying and collecting rainwater in sponge city construction is as follows: roof rainwater is purified and collected, urban road rainwater is collected, and urban green land park rainwater is recycled. Green roofs are a typical representative of roof rainwater purification and collection. The green roof has the functions of purifying rainwater quality, delaying the time of runoff production, delaying the peak value of runoff and reducing the runoff of the roof.

When the rainfall of the green roof in the prior art is large, the concentration of pollutants in the runoff of the roof is high due to rain washing, and the interception capacity of the green roof is small. Therefore, a sponge city green roof with high interception capability and high-efficiency pollutant filtering is needed to be designed.

The sponge city green roof has the functions of purifying rainwater quality, delaying the time of producing flow, delaying the peak value of runoff, reducing roof runoff and landscapes, and is disclosed in the application number CN 2019204854146. However, in this application, the filter layer is fixedly connected to the inside of the green roof, which is inconvenient to disassemble, wash and replace, and affects the filtering efficiency and the service life after long-term use.

The technical problem to be solved by the utility model is: the device has the advantages of conveniently carrying out high-efficiency interception and filtration on roof rainfall, reducing the pollutant concentration of green roof runoff, facilitating overhauling and prolonging the service life of equipment.

Disclosure of Invention

In order to solve the problems, the utility model provides a sponge city green roof.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a sponge city green roof, includes the green roof that the inoxidizing coating encloses, green roof is equipped with vegetation layer, matrix layer, water seepage layer, filter layer, holds drainage layer and hinders the root layer from top to bottom in proper order, the filter layer is including supporting the box body and filtering the sponge, the upper surface of supporting the box body and the bottom surface of supporting the box body all are equipped with the filter screen board, filtering the sponge and can dismantle and connect in supporting the box body inside.

As the optimization, the inoxidizing coating include the fixed box body of bottom and be located the connection box body of upside, connect the box body and can dismantle with fixed box body and be connected, the filter layer is connected between connection box body and fixed box body, all be equipped with the connecting hole on the lateral wall of connection box body, the lateral wall of fixed box body and the lateral wall of supporting the box body, the inside of connecting hole is equipped with connecting bolt.

As optimization, the inside of supporting the box body be equipped with the connecting chamber, one of them side elevation in connecting chamber is the opening, filter sponge sliding connection in connecting chamber inside, the filter screen plate aperture on supporting box body upper portion is greater than the filter screen plate aperture that supports the box body downside.

As optimization, the lower part of fixed box body be connected with the drain pipe, the drain pipe link up with holding the drainage layer, be connected with the sampling tube on the drain pipe, all be equipped with the valve on drain pipe and the sampling tube, the outer end of drain pipe is connected with the main line that catchments.

As optimization, a limiting pull opening is arranged on the side elevation of the filtering sponge.

The beneficial effect of this scheme is, a sponge city green roof has following beneficial part:

the green roof can play roles in cooling, heat insulation, beautifying the environment, purifying air and improving local climate, enrich urban pitching landscapes and compensate greening areas occupied by buildings;

meanwhile, the green roof can be used for recycling rainfall after high-efficiency filtration, so that the scouring of the rainwater to the urban roof is reduced, the concentration of pollutants in the runoff of the roof is reduced through the filtration of the green roof, and meanwhile, the filter layer is convenient to detach and replace, so that the filtration effect and the service life of the green roof can be effectively improved.

Drawings

Fig. 1 is a schematic diagram of the connection state shaft side of the present utility model.

Fig. 2 is an isometric view of the present utility model.

Fig. 3 is a schematic front view of the present utility model.

FIG. 4 is a schematic view of the structure of FIG. 3, cut A-A, according to the present utility model.

FIG. 5 is an isometric view of a filter layer of the present utility model.

Wherein, 1, the vegetable layer, 2, the matrix layer, 3, the water seepage layer, 4, the filter layer, 5, hold the drainage layer, 6, hinder the root layer, 7, support box body, 8, filter sponge, 9, fixed box body, 10, connection box body, 11, connecting bolt, 12, filter screen plate, 13, drain pipe, 14, sampling tube, 15, main line of catchmenting, 16, spacing opening that draws.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 4 and 5, a sponge city green roof, including the green roof that the inoxidizing coating encloses, green roof is equipped with vegetation layer 1, matrix layer 2, infiltration layer 3, filter layer 4, holds drainage layer 5 and hinders root layer 6 from top to bottom in proper order, filter layer 4 is including supporting box body 7 and filtration sponge 8, the upper surface of supporting box body 7 and the bottom surface of supporting box body 7 all are equipped with filter screen 12, filtration sponge 8 can dismantle and connect in supporting box body 7 inside.

As shown in fig. 4 and 5, the protection layer includes a fixed box body 9 at the bottom and a connection box body 10 at the upper side, the connection box body 10 is detachably connected with the fixed box body 9, the filtration layer 4 is connected between the connection box body 10 and the fixed box body 9, connection holes are formed in the side wall of the connection box body 10, the side wall of the fixed box body 9 and the side wall of the support box body 7, and connection bolts 11 are arranged in the connection holes.

As shown in fig. 4 and 5, a connecting cavity is formed in the supporting box body 7, one side elevation of the connecting cavity is an opening, the filtering sponge 8 is slidably connected in the connecting cavity, and the pore diameter of the filtering mesh plate 12 on the upper portion of the supporting box body 7 is larger than that of the filtering mesh plate 12 on the lower side of the supporting box body 7.

As shown in fig. 1 and 4, the lower part of the fixed box body 9 is connected with a drain pipe 13, the drain pipe 13 is communicated with the water storage and drainage layer 5, a sampling pipe 14 is connected to the drain pipe 13, valves are respectively arranged on the drain pipe 13 and the sampling pipe 14, and the outer end of the drain pipe 13 is connected with a main water collecting pipe 15.

As shown in fig. 5, the side elevation of the filtering sponge 8 is provided with a limiting pull opening 16.

When the device is specifically used, a vegetation layer 1 is planted in a matrix layer 2;

if raining, rainwater reaches the filter layer 4 after passing through the matrix layer 2 and the water seepage layer 3, and flows into the drain pipe 13 through the water storage and drainage layer 5 after being filtered by the filter layer 4, and water flowing out of the drain pipe 13 is rapidly conveyed through the main water collecting pipeline 15, so that the roof is prevented from being washed by the rainwater;

the water quality of the water discharged from the drain pipe 13 is detected through the sampling pipe 14, when the water quality does not meet the filtering requirement, the connecting bolt 11 is unscrewed, the filter layer 4 is taken down, and the filtering sponge 8 in the supporting box body 7 is replaced;

after the replacement, the filter layer 4 is reconnected between the fixed box body 9 and the connecting box body 10, and the fixed box body 9 and the connecting box body 10 are locked through the connecting bolts 11.

The above embodiments are merely specific examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the product forms and styles of the above embodiments, and any suitable changes or modifications made by one of ordinary skill in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.

Claims

1. The utility model provides a sponge city green roof, includes green roof that the inoxidizing coating encloses, its characterized in that: the green roof is equipped with vegetation layer (1), matrix layer (2), infiltration layer (3), filter layer (4), holds drainage layer (5) and hinders root layer (6) from top to bottom in proper order, filter layer (4) are including supporting box body (7) and filtration sponge (8), the upper surface of supporting box body (7) and the bottom surface of supporting box body (7) all are equipped with filter screen board (12), filtration sponge (8) can be dismantled and connect in supporting box body (7) inside.

2. A sponge urban green roof according to claim 1, wherein: the protection layer include fixed box body (9) of bottom and be located connection box body (10) of upside, connect box body (10) and fixed box body (9) and dismantle and be connected, filter layer (4) are connected between connection box body (10) and fixed box body (9), all be equipped with the connecting hole on the lateral wall of connection box body (10), the lateral wall of fixed box body (9) and the lateral wall of supporting box body (7), the inside of connecting hole is equipped with connecting bolt (11).

3. A sponge urban green roof according to claim 1, wherein: the inside of support box body (7) be equipped with the connecting chamber, one of them side elevation in connecting chamber is the opening, filter sponge (8) sliding connection is inside the connecting chamber, and the filter screen plate (12) aperture on support box body (7) upper portion is greater than the filter screen plate (12) aperture of support box body (7) downside.

4. A sponge urban green roof according to claim 2, wherein: the lower part of fixed box body (9) be connected with drain pipe (13), drain pipe (13) link up with holding drainage layer (5), be connected with sampling tube (14) on drain pipe (13), all be equipped with the valve on drain pipe (13) and sampling tube (14), the outer end of drain pipe (13) is connected with water collecting main pipe (15).

5. A sponge urban green roof according to claim 1, wherein: the side elevation of the filtering sponge (8) is provided with a limiting pull opening (16).