Road drainage device for sponge city
Technical Field
The utility model relates to the field of drainage equipment, in particular to a road drainage device for a sponge city.
Background
The sponge city is a new generation city rain and flood management concept, and the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be also called as a 'water elasticity city'. When raining, water is absorbed, stored, permeated and purified, and the stored water is released and utilized as required, so that the free migration of rainwater in cities is realized.
However, in the existing drainage structure, some well covers are usually used for drainage in rainy days, however, during the drainage, some garbage and leaves are often mixed, so that the drainage system needs to be cleaned regularly in the use process, the drainage system is blocked, road surface water is caused, danger is caused for pedestrians, the original purpose of setting up a sponge city is to utilize rainwater, the rainwater needs to be treated before being utilized, the rainwater and the wastewater need to be directly treated, the treatment is complicated, the difficulty is high, and the treatment cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the sponge urban road drainage device which is anti-blocking, convenient to clean and cost-saving and is used for preprocessing waste water.
In order to solve the problems, the utility model adopts the following technical scheme:
the road drainage device for the sponge city comprises a water collecting well and water collecting mechanisms arranged at two sides of the water collecting well and used for collecting roadside rainwater, wherein a first filtering device and a second filtering device are arranged at a wellhead of the water collecting well, and the second filtering device is positioned below the first filtering device;
the water collecting mechanism comprises a water accumulation flat stone, a water drainage rim stone and a buffer pool, wherein the water accumulation flat stone is connected with the water drainage rim stone, a water drainage hole is formed in the water drainage rim stone, the water drainage rim stone is connected with the buffer pool, and the buffer pool is connected with the water collecting well through a water drainage pipe.
As one embodiment of the utility model, the first filtering device is provided as a rain grate assembly, the rain grate assembly comprises a grate basket pre-buried at a water receiving wellhead and a rain grate hinged on the grate basket, and the grate basket is matched with the rain grate for opening or closing the rain grate.
As one embodiment of the utility model, the rain grate is integrally formed and is made of ball-milling cast iron.
As an embodiment of the utility model, the second filter device is arranged as a dirt basket.
As one implementation mode of the utility model, four limit supporting blocks are arranged in the water collecting well, raised strips are arranged on the periphery of the dirt blocking basket, the raised strips are placed on the limit supporting blocks, and the limit supporting blocks are used for supporting the dirt blocking basket.
As one embodiment of the utility model, the trash basket is made of plastic.
As one implementation mode of the utility model, one side, away from the drain hole, of the water accumulation flat stone and two side sides are provided with sloping surfaces and are used for collecting and guiding water to flow into the buffer pool.
As one implementation mode of the utility model, the slope top end of the water accumulation flat stone is flush with the road surface, and the slope bottom end is flush with the bottom surface of the drain hole.
As one embodiment of the utility model, the upper surface of the water-logging stone is provided with a waterproof paint layer.
As one implementation mode of the utility model, two water collecting wells are arranged, the two water collecting wells are integrally formed and connected, the two water collecting well mouths are provided with a first filtering device and a second filtering device, the two water collecting wells are internally communicated, and the water draining pipe is communicated with one water collecting well.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the utility model has good filtering effect by arranging the first filtering device and the second filtering device, prevents the road from being blocked, ensures that rainwater in the road and the green belt smoothly enters the water collecting well by arranging the water collecting mechanisms at two sides of the water collecting well, is convenient for collecting the rainwater and effectively dredges the rainwater, ensures that wastewater collected by the water collecting flat stone enters the buffer tank through the water draining holes on the water draining rim stone by arranging the buffer tank, ensures that sediment, suspended matters and the like in the water can naturally precipitate to a part when the wastewater passes through the buffer tank, ensures that the wastewater after passing through the buffer tank is easier to treat, has small treatment difficulty and saves cost, simultaneously ensures that the buffer tank also has an adjusting function, ensures uniform and stable subsequent treatment, ensures small impact on the whole treatment system after the wastewater passes through the buffer tank, and ensures that the later operation is normal.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
FIG. 2 is a schematic view of an embodiment of the present utility model with the rain grate assembly removed and the dirt basket removed.
Fig. 3 is a schematic structural view of the dirt basket in accordance with the embodiment of the present utility model.
Fig. 4 is a top view of an embodiment of the present utility model.
Fig. 5 is a schematic view of the present utility model disposed in a green belt and a road area.
Fig. 6 is a partial enlarged view of fig. 5.
Wherein: 1 water-bearing flat stone, 101 waterproof paint layer, 2 buffer pool, 3 filter mechanism, 301 rain water grate, 302 grate basket, 4 water collecting well, 401 spacing supporting block, 5 dirt blocking basket, 501 convex strip, 502 filter hole, 6 water draining kerbstone, 601 water draining hole, 7 water draining pipe, 8 green belt area, 9 road area, 10 groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be clearly and completely described in connection with the following specific embodiments.
As shown in fig. 1 to 6, a road drainage device for sponge city, it includes a water collecting well 4 and a water collecting mechanism arranged at two sides of the water collecting well 4 for collecting roadside rainwater, the wellhead of the water collecting well 4 is provided with a first filtering device and a second filtering device, the second filtering device is located below the first filtering device, specifically, the water collecting mechanism is arranged at the left and right sides of the water collecting well 4, referring to fig. 1, the water collecting mechanism comprises a water collecting flat stone 1, a water draining rim stone 6 and a buffer pool 2, the water collecting flat stone 1 is connected with the water draining rim stone 6, a water draining hole 601 is arranged on the water draining rim stone 6, the water draining rim stone 6 is connected with the buffer pool 2, and the buffer pool 2 is connected with the water collecting well 4 through a water draining pipe 7.
Above-mentioned technical scheme is through setting up first filter equipment and second filter equipment, make its filter effect good, prevent that the road from blockking up, set up water collecting mechanism through setting up in the 4 both sides of receipts well and make the rainwater in road and the greenbelt get into receipts well 4 smoothly, be convenient for collect the rainwater and make the rainwater obtain effectual mediation, through setting up buffer tank 2, make the waste water that ponding planostone 1 was collected get into buffer tank 2 through the wash port 601 on the drainage kerb 6, the waste water is when passing buffer tank 2, sediment, suspended solid etc. in the water can deposit down a part naturally, waste water after through buffer tank 2 is handled relatively easily, the processing degree of difficulty is little, and practice thrift the cost, buffer tank 2 still plays the effect of regulation simultaneously, guarantee the even stability of follow-up processing, the waste water can be little through the impact of whole processing system behind buffer tank 2, guarantee that the later operation is normal.
As shown in fig. 1, a groove 10 is further formed in one side, close to the drainage rim stone 6, of the buffer tank 2, and the bottom surface of the groove 10 is flush with the drainage hole, so that rainwater is prevented from flowing out of the buffer tank 2.
As shown in fig. 1, two water receiving wells 4 are arranged, the two water receiving wells 4 are integrally formed and connected, specifically, two short sides are connected, the two water receiving wells 4 are provided with a first filtering device and a second filtering device at the well mouth, the two water receiving wells 4 are internally communicated, and the water draining pipe 7 is communicated with one water receiving well 4. In this embodiment, the two recovery wells 4 are connected as one body, and the rest is identical. Through setting up two receipts well 4 and rain water comb subassembly, make its and rainwater increase area of contact, under the turbulent condition of rivers, in orderly the arranging to receipts well 4, prevent ponding.
As shown in fig. 1 and 2, the first filtering device is configured as a rain grate assembly, the rain grate assembly comprises a grate basket 302 pre-buried at the mouth of the water receiving well 4 and a rain grate 301 hinged on the grate basket 302, and the grate basket 302 is matched with the rain grate 301 to enable the rain grate 301 to be opened or closed. In this embodiment, the rain grate 301 and the grate basket 302 are hinged through the anti-theft shaft, so that the rain grate 301 has an anti-theft function, the rain grate 301 is integrally formed and is made of ball-milling cast iron, the surface of the rain grate 301 is a saw-tooth-shaped grid (only shown in the figure), and the rain grate has the advantages of attractive appearance, large drainage capacity, convenience in drainage, high strength, light weight and the like, and can primarily intercept and filter garbage and fallen leaves with larger appearance on a road, so that the filtering effect is good. Specifically, mortar is used to fill and level the joint between the grate basket 302 and the ground.
As shown in fig. 1, 2 and 3, the second filtering device is configured as a trash basket 5, specifically, the trash basket 5 is made of plastic, and a plurality of filtering holes 502 are formed on the bottom surface and the periphery of the trash basket 5. In this embodiment, four spacing supporting blocks 401 are disposed in the water receiving well 4, raised lines 501 are disposed around the dirt blocking basket 5, the raised lines 501 are disposed on the spacing supporting blocks 401, and the spacing supporting blocks 401 are used for supporting the dirt blocking basket 5. Through setting up spacing supporting shoe 401 in receiving well 4, make and block after dirty basket 5 is directly placed on spacing supporting shoe 401, need not additionally fix, the installation is simple, the cost is saved can effectively intercept, filter, store rubbish, when clearing up rubbish, only need open rainwater comb 301, take out and block dirty basket 5, after clearing up, it can to lay the dirty basket again, whole process convenient operation;
the problems of difficulty in cleaning, easiness in blocking and complicated construction in the traditional civil engineering rainwater collecting and settling pond or simple lattice rainwater collecting process are solved, and the normal operation of rear-end rainwater collecting equipment and the blocking of a subsequent rainwater collecting device caused by pollutants are effectively protected.
As shown in fig. 5 and 6, the side of the water accumulation flat stone 1 away from the drain hole 601 and both sides are provided with slopes for collecting and guiding water to the buffer tank 2. Specifically, the slope is remained on three sides of the ponding flat stone, so that water in the road is gathered and drained into the buffer pool 2 and the water collecting well 4, road surface precipitation is collected more conveniently, water is guided to flow into two sides of the road nearby, effective storage and water resource saving are achieved, in the embodiment, the slope top of the ponding flat stone 1 is flush with the road surface, the slope bottom is flush with the bottom of the drain hole 601, and the water is used for flowing into the buffer pool 2 better.
As shown in fig. 1, the upper surface of the water-logging flat stone 1 is provided with a waterproof coating layer 101, in this embodiment, the upper surface of the water-logging flat stone 1 is coated with a polyurethane waterproof coating for preventing rainwater from soaking the water-logging flat stone 1 for a long time.
In this embodiment, the ponding flat stone 1, the buffer tank 2 and the water collecting well 4 are all formed by prefabricating concrete, so that construction on a construction site is facilitated.
The present embodiment is used for burying in a green belt, referring to fig. 5, two buffer tanks 2, a water receiving well 4 and a drainage kerb 6 are arranged in a green belt area 8, the buffer tanks 2 are of course covered by a cover plate (not shown in the figure), the lower end surface of a drainage hole 601 in the drainage kerb 6 is level with the ground, and the water accumulation kerb 1 is arranged in a road area 9.
Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.