CN213625905U - High-permeability concave greenbelt and ecological system - Google Patents

Abstract

The utility model relates to a green space and an ecological rainwater utilization system, and discloses a high-permeability concave green space and an ecological system. The utility model comprises a construction area and a concave green space. The construction area is provided with a building rainwater pipe and a drainage side ditch, and the concave green space is provided with a Infiltration well, water storage tank, landscape pool and sprinkler irrigation system. The drainage side ditch is connected to the infiltration well, and the infiltration well is connected to the landscape pool. The water infiltrated by the green space is discharged to the landscape pool by the water pipeline. This application is applicable to a green space system with buildings and roads, which intercepts the rainwater generated in the building area, filters it through a water filter well, and stores it through a water storage tank, so that it can be used when needed; The water storage tank and the landscape pool are intercepted together. The water storage tank supplies water to the landscape pool. The two can retain a large amount of water and then cooperate with the sprinkler irrigation device to sprinkle the green plants, saving a lot of water resources.

Description

High-permeability concave greenbelt and ecological system

Technical Field

The utility model relates to a greenery patches and ecological rainwater utilization system especially relate to recessed greenery patches of high infiltration and ecosystem.

Background

At present, with global warming, extreme weather is more and more frequent, and extreme rainfall has a tendency of being more and more intense. Along with the development of cities, the non-permeable ground in urban areas is increasingly large, the infiltration capacity of rainwater is greatly reduced, rainfall is inevitably caused to form the increase of ground runoff, and a city drainage system is greatly tested and threatens the normal production and life of the cities.

Meanwhile, in the early stage of rainfall, pollutants deposited on the ground can be carried into a drainage pipe network due to the scouring effect of rainwater on the ground. Therefore, the initial rainwater has high pollutant concentration, the pollution of the carried pollutants to the discharged water body cannot be ignored, and the interception treatment of the initial rainwater has important environmental protection significance.

The rainwater is a precious fresh water resource, the pollution degree of the rainwater is light, the rainwater can be used for supplementing underground water, and the rainwater can be used as a miscellaneous water source for greening, car washing and the like after being simply treated. How to use rainwater as a high-quality resource has important significance.

Among the prior art, the rainwater of living district all is the direct discharge underground municipal pipeline, and untreated initial stage rainwater discharges into municipal pipeline and increases the pollution of water on the one hand, and the direct discharge of on the other hand later stage rainwater causes the waste of water resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art by the aid of the high-permeability concave greenbelt and the ecosystem, and solving the problems existing in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-permeability concave greenbelt and ecological system comprises a building area and a concave greenbelt, wherein the building area is provided with a building rainwater pipe and a drainage side ditch, and the concave greenbelt is provided with a permeation well, a water storage tank and a landscape pool; the upper end of the building rainwater pipe is communicated with a drainage outlet of a roof rainwater area, the lower end of the building rainwater pipe is communicated with a drainage side ditch, the drainage side ditch is paved along the boundary line of a cell hardened ground and a concave type green land and is higher than the concave type green land by a certain height, and a grid type cover plate is arranged on the drainage side ditch; the infiltration well is arranged in the concave green land and comprises a water inlet, a water outlet, double-layer filter screens arranged at intervals and a zeolite filter layer clamped between the double-layer filter screens, the water inlet is communicated with the bottom of the drainage side ditch, and the water outlet is communicated with the water storage tank through a pipeline; the water storage tank is communicated with the landscape pool through a pipeline, and the pipeline is provided with an electromagnetic valve; the ground of the concave green land is lower than the peripheral ground and the road surface, the bottom surface of the concave green land is provided with a permeable backfill soil layer, and plants which are beneficial to rainwater absorption and interception are planted in the green land; the landscape pool is positioned at the lower or lowest part of the terrain and is in a pool structure form or channel structure form, fishes and aquatic plants which are beneficial to strengthening the self-purification function of the water body are cultivated in the landscape pool, the landscape pool is provided with an overflow port communicated with a rainwater drainage main pipe of a community, and the overflow port is communicated with a sewer through a pipeline; the concave greenbelt also comprises a sprinkling irrigation system, the sprinkling irrigation system comprises a water suction pump, a water distribution pipe and a ground sprinkling irrigation device, the water suction pump is communicated with the landscape pool through the water suction pipe, a water outlet of the water suction pump is communicated with the ground sprinkling irrigation device through the water distribution pipe, and the ground sprinkling irrigation device is distributed in a vegetation coverage area to spray the vegetation area.

Preferably, the permeable backfill soil layer sequentially comprises a planting soil layer, a sandstone layer, a geotextile layer, a zeolite layer and a gravel layer from top to bottom; the gravel layer is horizontally provided with a perforation permeation pipe, and the perforation permeation pipe is connected with the water storage tank through a water delivery pipeline.

Preferably, the infiltration well comprises a well body, the double-layer filter screen is placed at the top of the well body, the diameter of the zeolite clamped by the double-layer filter screen is larger than the aperture of the filter screen, the water outlet of the well body is arranged at the height of 1/4 on the side wall of the well body, the filler layers are arranged on the peripheral side wall of the infiltration well below the water outlet to form a slow infiltration type discharge structure, the side wall of the side of the well body is provided with infiltration discharge holes, and the infiltration discharge holes and the gravel layer are positioned at the same.

Preferably, the top of well body is equipped with the shelf, and the shelf includes the apron at top and the connecting frame of bottom, and the one deck of upside welds on connecting frame in the double-deck filter screen, and the one deck of downside can be dismantled and connect in the connecting frame bottom.

Preferably, the ground spraying and filling device is a spray head and is placed in a containing box, the containing box is arranged in a buried mode, a box cover capable of being opened in a rotating mode is connected to the upper portion of the containing box, the upper surface of the box cover is flush with the ground of a green land, and a corrugated pipe used for being connected with the spray head is arranged inside the containing box.

Compared with the prior art, the utility model provides a recessed greenery patches of high infiltration and ecosystem possesses following advantage: 1, the system is suitable for a green land system with buildings and roads, and is used for intercepting rainwater generated in a building area, filtering the rainwater through a filtering water well and storing the rainwater through a water storage tank so as to be utilized when needed; 2, arranging a landscape pool at a low-lying position, intercepting the landscape pool through a water storage tank and the landscape pool together, wherein the water storage tank is communicated with the landscape pool and supplies water for the landscape pool, and the water storage tank and the landscape pool can intercept a large amount of water and then cooperate with a sprinkling irrigation device to spray the greening plants, so that the device is self-sufficient and saves a large amount of water resources; 3. the shower nozzle sets up in the holding box, when needing to spray irrigation, opens the lid, utilizes the hose connection in the holding box to spray irrigation to the shower nozzle, has avoided the shower nozzle to be as for outdoor fragile for a long time on the one hand, and on the other hand has avoided the shower nozzle to arrange in the danger that the above-ground green land easily caused stumbling to the pedestrian.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion of the permeable backfill layer of FIG. 2;

FIG. 4 is an enlarged view of the permeate well portion of FIG. 2;

in the figure, 1-roof rainwater area, 2-ground rainwater area, 3-building rainwater pipe, 4-drainage side ditch, 5-infiltration well, 51-well body, 52-water inlet, 53-water outlet, 54-cover plate, 55-connecting frame, 56, 57-double-layer filter screen, 58-zeolite layer, 59-filler layer, 6-electromagnetic valve, 7-sewer, 8-landscape pool, 9-water pump, 10-sprinkler irrigation device, 11-water storage tank, 12-infiltration type backfill soil layer, 121-planting soil layer, 122-sandstone layer, 123-geotechnical cloth layer, 124-zeolite layer, 125-gravel layer, 13-perforation infiltration pipe, 131-water pipeline, 14-water pumping pipe and 15-water distribution pipe.

Detailed Description

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, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, the high-permeability concave greenbelt and ecosystem comprises a building area and a concave greenbelt, wherein the building area is provided with a building rainwater pipe 3 and a drainage side ditch 4, and the concave greenbelt is provided with a permeable well 5, a water storage tank 11 and a landscape pool 8; the upper end of the building rainwater pipe 3 is communicated with a roof rainwater area water outlet 53, the lower end is communicated with a drainage side ditch 4, the drainage side ditch 4 is paved along the boundary line of the cell hardened ground and the concave type green land and is higher than the concave type green land ground by a certain height, and a grid type cover plate 54 is arranged on the drainage side ditch 4; the infiltration well 5 is arranged in the concave green land and comprises a water inlet 52, a water outlet 53, double-layer filter screens arranged at intervals and a zeolite filter layer 58 clamped between the double-layer filter screens, wherein the water inlet 52 is communicated with the bottom of the drainage side ditch 4, and the water outlet 53 is communicated with the water storage tank 11 through a pipeline; the water storage tank 11 is communicated with the landscape pool 8 through a pipeline, and the pipeline is provided with an electromagnetic valve 6; the ground of the concave green land is lower than the peripheral ground and the road surface, the bottom surface of the concave green land is provided with a permeable backfill soil layer 12, and plants which are beneficial to rainwater absorption and interception are planted in the green land; the landscape pool 8 is positioned at the lower or lowest part of the terrain and is in a pond structure form or channel structure form, fishes and aquatic plants which are beneficial to strengthening the self-purification function of the water body are cultivated in the landscape pool 8, the landscape pool 8 is provided with an overflow port communicated with a rainwater drainage main pipe of a community, and the overflow port is communicated with a sewer 7 through a pipeline; the concave greenbelt also comprises a sprinkling irrigation system, the sprinkling irrigation system comprises a water suction pump 9, a water distribution pipe and a ground sprinkling irrigation device 10, the water suction pump 9 is communicated with the landscape pool 8 through the water suction pipe, a water outlet of the water suction pump 9 is communicated with the ground sprinkling irrigation device 10 through the water distribution pipe, and the ground sprinkling irrigation device 10 is distributed in the vegetation coverage area to spray the vegetation area. Wherein the ground rainwater flows directly into the gutter 4.

Preferably, the permeable backfill soil layer 12 is composed of a planting soil layer 121, a sandstone layer 122, a geotextile layer 123, a zeolite layer 124 and a gravel layer 125 in sequence from top to bottom; a perforated permeation pipe 13 is horizontally arranged in the gravel layer 125, and the perforated permeation pipe 13 is connected with the water storage tank 11 through a water conveying pipeline 131.

Preferably, the infiltration well 5 comprises a well body 51, the double- layer filter screens 56 and 57 are placed on the top of the well body 51, the diameter of zeolite clamped by the double-layer filter screens is larger than the pore diameter of the filter screens, the water outlet 53 of the well body 51 is arranged at the height of the side wall 1/4 of the well body 51, the side wall of the infiltration well 5 around which the water outlet 53 is arranged is provided with a packing layer 59 to form a slow infiltration type discharge structure, and the side wall of the well body 51 side is provided with infiltration discharge holes which are positioned at the same height with the gravel layer.

Preferably, the top of the well 51 is provided with a shelf comprising a top cover plate 54 and a bottom connection frame 55, wherein the upper layer of the double- layer filter screens 56, 57 is welded on the connection frame 55, and the lower layer is detachably connected to the bottom end of the connection frame 55.

Preferably, the ground sprinkling irrigation device 10 is a nozzle and is placed in a containing box, the containing box is arranged in a buried mode, a box cover which can be opened in a rotating mode is connected to the upper portion of the containing box, the upper surface of the box cover is flush with the ground of a green land, and a corrugated pipe used for being connected with the nozzle is arranged inside the containing box.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the appended claims.

Claims (5)

1. High-permeability concave green space and ecological system, it is characterized in that: it comprises a construction area and a concave green space, the construction area is provided with a building rainwater pipe, a drainage side ditch, and the concave green space is provided with an infiltration well, a water storage tank and a landscape Pool; the upper end of the rainwater pipe of the building is connected to the drainage outlet of the roof rainwater area, and the lower end is connected to the drainage side ditch. There is a grid-type cover plate; the infiltration well is set in the concave green space, including the water inlet, the water outlet, the double-layer filter screen arranged at intervals, and the zeolite filter layer sandwiched between the double-layer filter screen, the water inlet and the drainage side The bottom of the ditch is connected, and the drainage outlet is connected with the water storage tank through a pipeline; the water storage tank is connected with the landscape pool through a pipeline, and the pipeline is provided with a solenoid valve; There is a permeable backfill soil layer, and plants that are conducive to rainwater absorption and interception are planted in the green space; the landscape pool is located at the lower or lowest part of the terrain, in the form of a pond structure or a channel structure, and planting in the landscape pool is conducive to strengthening the self-purification of water bodies Functional fish and aquatic plants, the landscape pool is provided with an overflow port connected to the rainwater drainage main pipe of the community, and the overflow port is connected with the sewer through pipes; the concave green space also includes a sprinkler irrigation system, which includes a pump, water distribution pipes and ground. Sprinkler irrigation device, the pump is connected to the landscape pool through the pumping pipe, and the water outlet of the pump is connected to the ground sprinkler irrigation device through the water distribution pipe, and the ground sprinkler irrigation device is distributed in the vegetation coverage area to spray the vegetation area. 2. high-permeability sunken green space and ecosystem according to claim 1, it is characterized in that: the structure of permeable backfill soil layer from top to bottom is followed by planting soil layer, sandstone layer, geotextile layer, zeolite layer and the gravel layer; the perforated permeable pipe is horizontally arranged in the gravel layer, and the perforated permeable pipe is connected with the water storage tank through the water transmission pipeline. 3. The high-permeability sunken green space and ecosystem according to claim 2, wherein the infiltration well comprises a well body, the double-layer filter screen is placed on the top of the well body, and the diameter of the zeolite held by it is larger than the filter screen The hole diameter of the well body is set at 1/4 of the height of the side wall of the well body, and the surrounding side wall of the permeable well provided below the drainage hole is provided with a packing layer to form a slow permeable discharge structure, and this part of the well body side The side wall is provided with permeation discharge holes, which are located at the same height as the gravel layer. 4. The high-permeability sunken green space and ecosystem according to claim 2, characterized in that: the top of the well body is provided with a shelf, and the shelf includes a top cover plate and a bottom connecting frame, and the double-layer filter screen The upper layer is welded on the connection frame, and the lower layer is detachably connected to the bottom end of the connection frame. 5. The high-permeability concave green space and ecosystem according to claim 1, wherein the ground sprinkler irrigation device is a sprinkler, and it is placed in an accommodating box, and the accommodating box is a buried type setting, and its The upper part is connected with a rotatable openable box cover, the upper surface of the box cover is flush with the green ground, and a corrugated pipe for connecting with the spray head is arranged inside the accommodating box.

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