A kind of environmental protection planting technique frame for domatic roof
Technical field
The utility model relates to a kind of environmental protection planting technique frame for domatic roof, and for domatic roof, especially low pitched roof is afforested.
Background technology
Along with large-scale city process, city size constantly expands constantly to be increased with urban population, building is more and more higher, seal increasing, formed in a large number highdensity " forest of reinforcing bar mixing cement ", green land and the water surface are constantly nibbled, and result causes urban ecological environment to worsen, and have occurred the problems such as " tropical island effect ", " greenhouse effect ", atmospheric environment and water environment are heavily polluted.Be called as the roof of building Fifth Elevation, but remain in city the soil waiting to open up wasteland, be in a kind of status being left in the basket, passing into silence.By numerous ecotope expert, urbanist, architectural design expert " roof greening " of praising highly be then that one can take into account urban economy construction, the needs of development, can solve again the doulbe-sides' victory even solution of multi-win of Urban Ecological Problems simultaneously well.
Existing housetop greening device mostly is greening blanket and planting technique frame, and these two kinds of devices all exist the problem of water-holding capacity difference, especially plant on domatic roof, and its water loss speed is fast, and rainwater skewness, plant is easily withered dead; And often carry out irrigation and waste time and energy, and planting plants is positioned on roofing, irrigates also very inconvenient.Meanwhile, rainwater and unnecessary irrigation water cannot be recycled, and extremely waste; And all there is complex structure in existing rain collector, high in cost of production problem.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of and strengthens plant water-holding capacity, ensures that moisture distribution is uniformly for the environmental protection planting technique frame on domatic roof.
To achieve these goals, the utility model is by the following technical solutions:
A kind of environmental protection planting technique frame for domatic roof, comprise the framework (1) being placed in domatic roof and the plantation layer (2) be located in framework (1), it is characterized in that: the below of described plantation layer (2) is provided with an aquifer (3), a separation layer (4) is provided with between plantation layer (2) and aquifer (3), the upper compartment of terrain of separation layer (4) is provided with number row's water delivery bag (5), water delivery medium (5a) is all filled with in each water delivery bag (5), and the length of water delivery bag (5) is greater than the degree of depth of aquifer (3), corresponding with water delivery bag (5), number row's water retaining separater (1a) is provided with in the bottom of framework (1).By arranging aquifer in the below of plantation layer, rainwater or irrigation water can be collected, be that water is transported to plantation layer by water delivery bag in aquifer, for plant growth, save water resource; Simultaneously, number row water retaining separater is provided with accordingly in the bottom of framework, framework interior separation is become some cells, and water delivery bag is positioned at those little indoor, and is greater than the degree of depth of aquifer due to the length of water delivery bag, water delivery bag is inevitable in aquifer to tilt along roof inclination direction, thus the water in aquifer is carried from bottom to top, solve in existing domatic roof planting frame and easily form top arid, the technical problem of bottom flood, improve the survival rate of plant, planting effect is good.
As preferably, described water retaining separater (1a) has acclivitous angle, and the top of water retaining separater (1a), lower than separation layer (4), is provided with the osculum (1b) for discharging excessive moisture in the lower end of framework (1).While retaining effectively, unnecessary moisture can be got rid of, prevent plant bottom flood.
As preferably, the length of described water delivery bag (5) be the 1.5-3 of aquifer (3) degree of depth doubly.Be convenient to the top conveying of the water bottom by aquifer to plantation layer.
As preferably, described water delivery medium is cinder.Coal slag granules inside has very large hole, can be used as good hydrophobic medium, and draws materials conveniently, and price is low, lightweight, is suitable for the material as roof greening.
As preferably, the insulating wool layer (4a) that described separation layer (4) comprises and plantation layer (2) contacts and the isolation mesh (4b) be positioned at below insulating wool layer.Planting soil is isolated by insulating wool layer, prevents erosion; Meanwhile, insulating wool layer has water-holding capacity, and be arranged at the bottom of plantation layer, in Absorbable rod hydrophobic pocket, hydrophobic medium carry the water of coming, and under plantation layer, the infiltration of the root of plant, carry out root irrigation to plant, irrigation effect is good.
As preferably, described water delivery bag (5) comprise for the collar (5b) and the collar of isolation mesh (4b) clamping below bag (5c), described water delivery medium (5a) is filled in bag (5c).Connect and change conveniently.
Therefore, the utility model can be collected for keeping compost humidity rainwater and unnecessary irrigation water, reduces irrigation frequency, improves the survival rate of roof greening; Meanwhile, do not bring obvious weight to increase, be applicable to the greening to domatic roof.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of separation layer and water delivery bag in the utility model embodiment;
Fig. 3 is the annexation schematic diagram of isolation mesh and water delivery bag in the utility model embodiment;
Fig. 4 is that the utility model water delivery bag carries out the moistening schematic diagram of point-like to insulating wool layer.
Embodiment
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.
As shown in Figure 1, in angle be β sloped roof on, the environmental protection planting technique frame of greening of the present utility model for domatic roof is set.As Figure 1-3, environmental protection planting technique frame for domatic roof of the present utility model, comprise the framework 1 being placed in domatic roof and the plantation layer 2 be located in framework 1, the below of described plantation layer 2 is provided with an aquifer 3, a separation layer 4 is provided with between plantation layer 2 and aquifer 3, on separation layer 4, compartment of terrain is provided with number row water delivery bag 5, be all filled with water delivery medium 5a, and the length of water delivery bag 5 is greater than the degree of depth of aquifer 3 in each water delivery bag 5.In the present embodiment, the length of water delivery bag 5 is about the twice of aquifer 3 degree of depth.Water delivery medium is cinder.Separation layer 4 comprises the insulating wool layer 4a contacted with plantation the layer 2 and isolation mesh 4b be positioned at below insulating wool layer.Water delivery bag 5 comprise for the collar 5b and the collar of isolation mesh 4b clamping below bag 5c, described water delivery medium 5a is filled in bag 5c.
Corresponding with water delivery bag 5, number row water retaining separater 1a is provided with in the bottom of framework 1, aquifer 3 in framework 1 is separated into some relatively independent cells, water delivery bag 5 is positioned at each little indoor, water retaining separater 1a has acclivitous angle, and the top of water retaining separater 1a, lower than isolation mesh 4b, is also, the top of water retaining separater 1a also has a segment distance apart from isolation mesh 4b, is provided with the osculum 1b for discharging excessive moisture in the lower end of framework 1.While retaining effectively, unnecessary moisture can be got rid of, prevent plant bottom ponding.
Because water delivery bag 5 is soft body structure on the whole, and be greater than the degree of depth of aquifer due to the length of water delivery bag, when being arranged in the gradient, under self gravitation effect, the inevitable direction towards the gradient tilt, thus the water in aquifer is carried from bottom to top.Direction shown in Fig. 2 arrow shows the possible incline direction of water delivery bag, namely can be used for sunny side or the back on domatic roof, applied widely.
Fig. 4 shows the utility model in use, the design sketch that the point-like formed on insulating wool layer 4a by water delivery bag 5 is moistening.By reasonably arranging the number of water delivery bag 5 on isolation mesh 4b and density degree, can reach the effect of moistening whole insulating wool layer, carry out root profit to the plant in plantation layer calmly and fill with, irrigation effect is good.And due to aquifer of the present utility model be the bottom being arranged on plantation layer, do not evaporate completely, water utilization is abundant, saves water resource.
In use, when running into rainfall sky or artificial concentrated irrigation, water enters aquifer and accumulation through plantation laminar flow to the utility model, and due to domatic inclination, aquifer can't store full water.In the date not having rainwater and man-made irrigation afterwards, water in aquifer is carried on the net by the effect of water delivery bag, being to a certain degree distributed equally the water in aquifer, alleviate planting frame implants in existing domatic plantation and grow very different phenomenon, improve the survival rate of roof greening, decrease manual intervention and maintenance cost.
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.