A kind of environmentally-friendly gutter inlet primary purifying structure
Technical field
The utility model relates to a kind of environmentally-friendly gutter inlet primary purifying structure, can be used for the separation to early-stage rainwater runoff, meanwhile, does not affect the drainage performance of inlet for stom water.
Background technology
Along with the development of urban construction, earth's surface, city Permeable stratum area increases year by year, traditional rainwater treatment mode mostly is direct discharge, a large amount of rainwater is not fully used and runs off in vain, and initial rainfall will be washed away again when road surface is collected and discharge and carried a large amount of suspended particulate contaminants and part organic or inorganic pollutant, if these early-stage rainwaters are not treated enter municipal storm sewer, an important sources of urban non-point source pollution will be become.On the other hand, China's urban sewerage and drainage facility is generally outmoded, aging, and drainability is not enough, and when heavy rain is attacked, Rainfall runoff moment sharply increases, and drainage system can't bear the heavy load, and forms flood.Therefore, manage to improve rain sewage collecting and utilize technology, municipal wastewater treating capacity can be alleviated on the one hand, effectively can alleviate the situation of city trees and shrubs short water supply on the other hand.In addition, rationally fully Rain water returning, can also recharging groundwater, prevent surface settlement, flood control and disaster reduction, regulate the climate, improve urban ecological environment.As can be seen here, resolve rain sewage intercepting well problem and be significant to urban society's sustainable economic development, construction water-saving landscape architecture, seeks new rain sewage disposal in urban garden and green space system or Application way becomes inexorable trend.
Utility model content
The utility model, for above-mentioned technical problem, provides one to be fully separated early-stage rainwater runoff, to collect, and effectively can meet again the environmentally-friendly gutter inlet primary purifying structure of inlet for stom water drainage requirement.
For this reason, the utility model is by the following technical solutions:
A kind of environmentally-friendly gutter inlet primary purifying structure, comprise double-edged fine-toothed comb, water tank (1) and the outfall (2) be located at bottom water tank, described outfall (2) is connected with municipal Storm Sewer Network, it is characterized in that: also comprise the inlet (3) linearly arranged with outfall (2), inlet (3) is connected with rainwater filtering device and collecting well, the top of outfall (2) and inlet (3) is provided with a movable cover plate (4), movable cover plate (4) at one time only can fully the closed row mouth of a river (2) or inlet (3), one end of movable cover plate (4) is connected with a ball float (6) by a fixed pulley (5), the other end is connected with a back-moving spring (7), back-moving spring (7) is fixed on a wall of water tank (1), inlet (3) near ball float and outfall (2) away from ball float.Be connected with movable cover plate by ball float, movable cover plate controls the opening and closing of outfall and inlet, and the height of ball float is determined, when water level is low by the water level in water tank, rainwater enters inlet, to be filtered and collect by the rainwater filtering device that is equipped with to rainwater; When water level height, ball float pulls the movable cover plate closed set mouth of a river, and rainwater directly enters outfall, preferentially meets drainage requirement, prevents the generation of waterlogging.
As preferably, the top open part of described water tank (1) is provided with a pair chute (8), the both sides of movable cover plate (4) embed in chute (8).Thus movable cover plate can slide in chute.
As preferably, the shape of described movable cover plate (4) and the shape of described outfall (2) and inlet (3) adapt, its size slightly larger than outfall (2) or inlet (3) size, outfall (2) the proximity set mouth of a river (3).Can carry out to greatest extent catchmenting and draining, thus be separated early-stage rainwater to greatest extent under the prerequisite meeting inlet for stom water drainage requirement, carry out prerequisite preparation for filtering and recycle early-stage rainwater.
As preferably, the shape of described outfall (2) and inlet (3) is square.The bore of outfall and inlet is maximum and can be adjacent to together to greatest extent, thus makes the switching function of movable cover plate can reach maximum.
As preferably, a top cover is also provided with in the below of described double-edged fine-toothed comb, described top cover comprises can the anti-fouling fence of filtering contaminants and openable access hole. and rainwater is first through anti-fouling fence, the pollutants such as the fallen leaves be wherein mingled with, branch, polybag can be stopped, complete surface rain coarse filtration, avoid bulk contaminants clog pipeline, extension fixture application life; Access hole is used for maintenance and internal cleaning, the at ordinary times closed condition of device.
As preferably, described anti-fouling fence and access hole are all downward-sloping, and the angle of inclination of anti-fouling fence is greater than the angle of inclination of access hole.Anti-fouling fence does bevel object and is increased volume, can not cause obstruction, extend the gap periods of artificial clearance time because of the contaminant accumulation of short-term; Access hole is also oblique design, facilitates rainwater to enter.
Therefore, environmentally-friendly gutter inlet primary purifying structure of the present utility model, while not affecting drainage performance, effectively with to greatest extent can be separated early-stage rainwater, alleviate municipal wastewater treating capacity, for early-stage rainwater collection and recycle ready.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the top view of the utility model embodiment 1;
Fig. 3 is A portion enlarged drawing in Fig. 1;
Fig. 4 is the structural representation of the utility model embodiment 2.
Detailed description of the invention
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.
Embodiment 1:
As Figure 1-3, environmentally-friendly gutter inlet primary purifying structure of the present utility model, comprise double-edged fine-toothed comb, water tank 1 and the outfall 2 be located at bottom water tank, outfall 2 is connected with municipal Storm Sewer Network, also comprise and linearly arranging and the inlet 3 be close to outfall 2, inlet 3 is connected with rainwater filtering device and collecting well, a movable cover plate 4 is provided with above outfall 2 and inlet 3, movable cover plate 4 at one time only can fully the closed row mouth of a river 2 or inlet 3, one end of movable cover plate 4 is connected with a ball float 6 by a fixed pulley 5, the other end is connected with a back-moving spring 7, back-moving spring 7 is fixed on a wall of water tank 1, inlet 3 near ball float outfall 2 away from ball float.The top open part of water tank 1 is provided with a pair chute 8, and the both sides of movable cover plate 4 embed in chute 8.The shape of movable cover plate 4 and the shape of described outfall 2 and inlet 3 adapt, its size slightly larger than outfall 2 or inlet 3 size, the outfall 2 proximity set mouth of a river 3.In the present embodiment, the shape of movable cover plate 4, outfall 2 and inlet 3 is square.
The utility model is connected with movable cover plate by ball float, movable cover plate controls the opening and closing of outfall and inlet, the height of ball float is determined by the water level in water tank, in use, the position of catchmenting of a certain lower water level can be set according to actual needs, then water level is lower than when to catchment, and rainwater enters inlet, to be filtered and collect by the rainwater filtering device that is equipped with to rainwater; Setting a certain higher water level is draining position, and when water level is higher than draining position, ball float pulls the movable cover plate closed set mouth of a river, and now, inlet is completely closed, and rainwater directly enters outfall, preferentially meets drainage requirement, prevents the generation of waterlogging; When water level be in catchment between position and draining position time, then inlet and outfall are all in part closure state, part rainwater carries out inlet and part rainwater enters outfall, and the closed degree of inlet and outfall is adjusted along with SEA LEVEL VARIATION, namely then inlet is closed fewer the more close position of catchmenting of water level, time more close to draining position, outfall is closed fewer.Universal law because of rainfall be rainfall from small to large, the run-off of early-stage rainwater is general less, and now, early-stage rainwater is effectively separated; And when running into early-stage rainwater run-off and being larger, as heavy rain, then preferentially meet drainage requirement, prevent the generation of flood.Therefore, the utility model can reach to greatest extent and be separated the effect of early-stage rainwater, alleviates municipal wastewater treating capacity, for early-stage rainwater collection and recycle ready.
Embodiment 2:
As shown in Figure 4, the difference of the present embodiment and embodiment 1 is: be also provided with a top cover 9 in the below of described double-edged fine-toothed comb, described top cover 9 comprise can the anti-fouling fence 91 of filtering contaminants and openable access hole 92. rainwater first through anti-fouling fence, the pollutants such as the fallen leaves be wherein mingled with, branch, polybag can be stopped, complete surface rain coarse filtration, avoid bulk contaminants clog pipeline, extension fixture application life; Access hole is used for maintenance and internal cleaning, the at ordinary times closed condition of device.Anti-fouling fence 91 is all downward-sloping with access hole 92, and the angle of inclination of anti-fouling fence 91 is greater than the angle of inclination of access hole 92.Anti-fouling fence does bevel object and is increased volume, can not cause obstruction, extend the gap periods of artificial clearance time because of the contaminant accumulation of short-term; Access hole is also oblique design, facilitates rainwater to enter.One end of access hole 92 and one end of anti-fouling fence 91 hinged, be in closed condition at ordinary times, maintenance in open and use.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.