[0028] The technical solutions of the present invention will be described below in conjunction with the drawings, as will be described, as described herein is an embodiment of the invention, not all of the embodiments.
[0029] The components of the embodiments of the present invention described and shown in the drawings herein can be arranged and design in a variety of different configurations. Thus, the following detailed description of the embodiments of the invention as provided in the drawings are not intended to limit the scope of the invention, but only the selected embodiments of the present invention are shown.
[0030] Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.
[0031]In the description of the invention, it is to be described in the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "within", "outside", etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, is merely intended to describe the present invention and simplified description, rather than indicating or implying that the device or component must have a specific orientation. Construct and operation, so it is not understood to be the limitation of the invention. Moreover, the term "first", "second" is used only for the purpose, and cannot be understood as an indication or implies relative importance.
[0032] In the description of the present invention, it is to be described in that, unless otherwise expressly specified and defined, the term "mount", "connected", "connection" should be broadly understood, for example, may be fixed connection, or detachable Connect, or integrate; it can be mechanical connection, or electrical connection; may be directly connected, or indirectly connected by an intermediate medium, which can be in the interior of the two elements. The specific meaning of the above terms in the present invention will be appreciated to those skilled in the art.
[0033] It should be noted that the rainwater retention system provided by the embodiment of the present invention applies not only to process road rainfall, but also for processing roofing rain.
[0034] Such as figure 1 As shown, the present invention provides a rainwater retention system including: a cover layer 1, a soil dielectric layer 2, and a drain layer 3 disposed, and the cover layer 1 includes a plurality of cover layer 1 regenerated aggregate particles, soil dielectric layers. 2 includes soil medium regenerated aggregate assemblies and landscaping materials, and the drainage layer includes a plurality of drainage regenerated aggregate particles.
[0035] Among them, the raw materials of the garden green composting product assembly are mainly derived from urban landscaping plant trimming, deceased leaves, etc., through the compost of the process, fermentation, rolling, can be used as an organic substrate for greening, to ensure plants The desired nutrients are grown.
[0036] In the present embodiment, the cover layer 1 includes a plurality of covering layer 1 regenerated aggregate particles, then after the rain is entered into the rainwater retention system, the cover layer 1 can initially intercept some of the sediment in the rain, reducing the regenerative soil medium layer 2 Sediment, thereby reducing the regenerative soil dielectric layer 2 blocking, and can initially adsorify contaminants such as heavy metals in rainwater; rain water enters the soil medium layer 2 after the initial treatment, the soil medium regenerated aggregate assembly in the soil medium layer 2 can be The powdery is intercepted to avoid the loss of the powder with the rain water, avoid the powder into the drainage layer 3 to avoid the collapse of the entire structural layer; at the same time, further adsorption of contaminants such as heavy metals, in addition, regenerated aggregate assembly The proportion of the medium powder medium is lower, and the risks of the soil dielectric layer and drainage layer can be further reduced to avoid damage to the entire structural layer.
[0037] The rainwater retention system provided by this embodiment avoids setting the conventional transition layer and the drainage pipe package geotextile, the overall structure is simple, and it is possible to ensure the initial infiltration coefficient of operation, the risk of clogging is low, the failure risk is small, and the entire structural layer is stable and reliable, and can guarantee Soil water content and organic matter content, does not affect plant growth; ensuring that the initial emptying time of the system has reached 1h to 3 hours.
[0038] Further, the cover layer 1, the soil dielectric layer 2, and the drain layer 3 provided in the rainwater retention system provided in this embodiment were used to regenerate the aggregate, and the regenerated aggregate was broken by construction waste (for example: red brick and concrete block). The aggregate made of screening, mixing is renewable resources, which can reduce the production cost of the rainwater retention system.
[0039] Plants 7 can be planted in the soil dielectric layer 2, such as flowers, shrubs or trees, such as flowers, shrubs, etc., thereby increasing the processing effect of rainwater retention system.
[0040] Among them, the cover layer 1 includes a plurality of cover layers 1 regenerated aggregate particles, and the regenerated aggregate particles are 5 mm to 31.5 mm, such as: 5 mm, 8 mm, 10 mm, 12.5 mm, 16 mm, 19.5 mm, 22mm, 26.5. MM, 28mm or 31.5mm, etc. The regenerated aggregate particles can be preliminary interception with a diameter of 5 mm-31.5mm cover 1, and the sediment in the rain is initially intercepted, while avoiding the infiltration of rainwater.
[0041] On the basis of the above embodiment, further, the ratio of the soil medium regenerated aggregate assembly and the garden green waste composting product assembly is 9: 1-10: 1. In this embodiment, the mass ratio of the soil medium regenerated aggregate assembly and landscaping waste composting product assembly can be 9: 1, 9.2: 1, 9.4: 1, 9.6: 1, 9.8: 1 or 10: 1, etc. On the one hand, it is guaranteed to intercept the powdery in the rain, and the other hand can provide nutrients for plant growth.
[0042] Based on the above embodiment, the soil medium regenerated aggregate assembly includes a plurality of first particle diameter aggregate particles, a plurality of second particle diameter aggregate particles, a plurality of third particles of aggregate particles, a plurality of fourth Particle size aggregate particles and a plurality of fifth particle diameter aggregate particles, a plurality of first particle diameter aggregate particles, a plurality of second particle diameter aggregate particles, a plurality of third particle diameter aggregate particles, a plurality of fourth The particle size aggregate particles and a plurality of fifth particle diameter bone particles are mixed with each other; the first particle diameter bone particles have a diameter of 4.75 mm to 9.5 mm, such as: 4.75 mm, 5.0 mm, 6.0 mm, 7.5mm, 8.5. MM, 9.0mm or 9.5mm, etc., the total mass of the plurality of first particle diameter aggregate particles accounts for 0% to 5% of the total mass of the soil medium regenerated aggregate assembly, for example: 0%, 1%, 2%, 3%, 4% or 5%, etc .; the second particle diameter particles have a diameter of 2.36 mm to 4.75 mm, such as 2.36 mm, 3.0 mm, 4.0 mm or 4.75mm, etc., multiple second particle diameter aggregate particles. The total mass accounts for 5% -40% of the total mass of the soil medium regenerated aggregate assembly, such as: 5%, 10%, 20%, 30% or 40%, etc .; the diameter of the third particle diameter aggregate particles is 0.3 MM-2.36MM, for example: 0.3 mm, 0.4mm, 1 mm, 2mm or 2.36mm, etc., the total mass of the plurality of third particle diameter aggregates account for 20% -60% of the total mass of the soil medium regenerated aggregate assembly. , For example: 20%, 30%, 40%, 50% or 60%, etc. The fourth particle diameter of the bones particles are 0.15 mm to 0.3 mm, such as: 0.15 mm, 0.2mm or 0.3mm, etc., multiple The total mass of the tetra-particle diameter aggregate particles accounts for 20% -35% of the total mass of the soil medium regenerated aggregate assembly, for example: 20%, 30% or 35%, etc .; the diameter of the fifth particle diameter aggregate particles is 0 mm. -0.15mm, for example: 0.05 mm, 0.1 mm or 0.15mm, etc., the total mass of the plurality of fifth particle diameter aggregate particles accounts for 4% to 10% of the total mass of the soil medium regenerated aggregate assembly, for example: 4% , 5%, 8% or 10%, etc.
[0043] In the present embodiment, the soil medium regenerated aggregate assembly in the soil dielectric layer 2 can ensure that the initial stabilization of the soil medium satisfies the technical requirements of 0.1 m / h to 0.3 m / h, and 5 soils. The conclusion of experiments in the medium regenerated aggregate assembly Figure 4 As shown, the stabilized infiltration coefficient is approximately 0.15 m / h to obtain a better infiltration coefficient. It should be noted that as the facility is built, there is constant sediment to enter the rainwater retention system with the rainwater runoff, and the penetration coefficient will continue to decline. When the penetration coefficient is less than 0.0125m / h, the surface layer and soil medium layer in the cover layer 1 should be dealt. 2 The surface layer is exchanged.
[0044] On the basis of the above embodiment, further, landscaping waste composting product assemblies include organic matter, and organic matter accounts for less than 35%, for example: 35%, 37%, 40%. , 45% or 50%, etc., thereby ensuring enough nutrients for plants.
[0045] Based on the above embodiment, further, the drainage layer 3 includes a plurality of first drain aggregate particles, a plurality of second drain aggregate particles, a plurality of third drainage aggregate particles, a plurality of fourth drainage aggregate particles And a plurality of fifth drainage aggregate particles, the drainage layer 3 includes a plurality of first drain aggregate particles, a plurality of second drainage aggregate particles, a plurality of third drainage aggregate particles, a plurality of fourth drainage aggregate particles and Multiple fifth drainage aggregate particles are mixed with each other.
[0046] The first drainage aggregate particles have a diameter of 4.75 mm to 19 mm, such as: 4.75mm, 5mm, 6.5mm, 8mm, 10mm, 12.5mm, 13mm, 15.5mm, or 16mm, and the total mass of the plurality of first drainage aggregates. The total mass of the layer 3 is 40% -70%, such as 40%, 43%, 45%, 47%, 50%, 55%, 58%, 60%, 64%, 67% or 70%, etc .; Second The drainage aggregate particles have a diameter of 2 mm to 5 mm, such as: 2 mm, 2.3mm, 2.5mm, 2.8mm, 3 mm, 3.5mm, 4 mm, 4.3mm, 4.5mm, 4.7mm, 5mm, and second drainage aggregate particles. Quality is 5% -40% of the total mass of the drainage layer 3, for example: 5%, 10%, 15%, 20%, 25%, 30%, 35% or 40%, etc .; the diameter of the third drainage aggregate particles It is 0.25mm-2mm, for example: 0.25 mm, 0.3 mm, 0.75 mm, 1 mm, 1.35 mm, 1.5mm, 1.75 mm or 2mm, etc., the total mass of the third drainage bone particles accounts for 10% of the total mass of the drain layer 3. -45%, for example: 10%, 15%, 17%, 20%, 23%, 26%, 30%, 35%, 40% or 45%, etc.; the diameter of the fourth drainage aggregate particles is 0.15 mm-0.25 MM, for example: 0.15mm, 0.17 mm, 0.20mm, 0.23 mm or 0.25mm, etc., the total mass of the fourth drainage aggregate accounts for 0% -12% of the total mass of the drainage layer 3, for example: 0%, 1%, 2%, 3%, 4%, 5%, 8% or 12%, etc .; the diameter of the fifth drainage aggregate particles is 0mm-0.15mm, for example: 0mm, 0.1mm or 0.15mm, etc., the fifth drainage aggregate The total mass is 0% to 3% 0%, 0.5%, 1%, 1.5%, 2%, 2.5% or 3% of the total mass of the drainage layer 3.
[0047] In this embodiment, the drain layer 3 employs the above-described structure to effectively prevent the regenerative aggregate particles in the soil dielectric layer 2 into the drainage layer 3, and can ensure that the purified rain is discharged from the drainage layer 3.
[0048] On the basis of the above embodiment, further, the thickness of the recycled aggregate cover layer 1 is not less than 50 mm, for example: 50 mm, 55 mm, 60 mm, 70 mm or 80 mm or the like; the thickness of the regenerative soil dielectric layer 2 is 450 mm to 1200 mm, for example:: 450mm, 600mm, 750mm, 850mm, 1000mm, 1150mm or 1200mm, etc., can better support plant growth; regenerated aggregate drainage layer 3 thickness is 350 mm to 500 mm, for example: 350 mm, 360 mm, 400 mm, 450 mm or 500 mm, or the like.
[0049] Such as Figure 1 to 3 As shown, on the above embodiment, further, the rainwater retention system further includes a drain pipe 4 provided in the drain 3, the length direction of the drain pipe 4 is consistent with the length direction of the regenerative agglomerate drainage layer 3; the drain pipe 4 The layered slope is 0.3% -0.6%, such as 0.3%, 0.35%, 0.4%, 0.45%, 0.5%, 0.55%, or 0.6%, etc. In the present embodiment, the rain water passes through the drainage layer 3, and then the drainage facility is discharged from the drain pipe 4.
[0050] Among them, the distance between the top of the drain 4 and the top of the regenerated aggregate drainage layer 3 is not less than 200 mm, for example, from 200 mm, 250 mm or 300 mm, etc., the bottom of the drain pipe 4 and the bottom of the regenerative aggregate drainage layer 3 If the distance is not less than 50mm, for example: 50 mm, 55 mm or 60mm, etc., the distance between the side portion of the drain pipe 4 and the regenerated agricultural drainage layer 3 is not less than 150 mm, for example: 150 mm, 200 mm or 300 mm or the like. In this embodiment, the drainage layer 3 can effectively collect rainwater infiltrated in the soil dielectric layer.
[0051] On the basis of the above embodiment, further, the drain pipe 4 is provided with at least two inlet apertures, and the inlet hole is disposed in the lower half of the drain pipe 4; the inlet pore group includes a plurality of inlet holes 5 The plurality of inlet holes 5 are disposed at intervals along the length direction of the drain pipe 4.
[0052] In this embodiment, the inlet pores are disposed at the lower half of the drain pipe 4, that is, the inlet pores are disposed at the top of the drain 4 away from the drainage layer 3, i.e., the drain pipe 4 opens downward, so The regenerative aggregate of the drain layer 3 can be avoided into the drain pipe 4. Only in the initial operation, only trace powdered matter flows out in the drain pipe 4, as the operation is stable, powderless material loss is lost.
[0053] Among them, the number of inlet pores can be three, four or five or five.
[0054] Alternatively, the number of inlet pores is two, and the angle α between the two in-water pores, between the two inlet holes 5, and the center of the inlet, the center of the water and the corresponding position. The center angle of the wiring formed between the center of the tube can be provided as needed, for example, 60 °, 70, 80, 100 ° or 110 °, the optional angle α is 90 ° convenient processing.
[0055] The plurality of inlet holes 5 within the inlet form may be non-uniformly provided, and the preferred plurality of inlet holes 5 are uniformly provided, and the interval b between adjacent two inlet holes 5 may be 8 mm to 10 mm, for example:: 8mm, 8.5mm, 9mm or 10mm, etc. Based on the above embodiment, further, the cross-sectional area of the inlet hole 5 is 1% to 3% of the outer surface area of the drain pipe 4, for example: 1%, 1.3%, 1.6%, 1.8%, 2.% , 2.5% or 3%, etc. This arrangement can avoid regenerative aggregates in the drainage layer 3 into the drain pipe 4.
[0056] Further, the inlet hole 5 can be provided with a long strip, and the width direction of the inlet hole 5 is parallel to the longitudinal direction of the drain pipe 4, the width of the inlet hole 5 is not more than 1 mm (eg: 0.1 mm, 0.3mm, 0.5) MM, 0.8mm or 1 mm, etc.), the length L of the inlet hole 5 may be 20 mm to 30 mm (e.g., 20 mm, 22 mm, 25 mm, 28 mm or 30 mm, etc.). When the rainwater enters the drainage layer 3, the purified rain is discharged through the drain pipe 4, and the drain pipe 4 inlet hole 5 width is no more than 1 mm, thereby further avoiding the regenerative aggregate particles in the drainage layer 3 into the drain pipe 4.
[0057] It should be noted that in order to avoid contaminants in rainwater, there is a risk of destroying the road or building basics, or when there is a pollution-flush risk, it can be wrapped in the lateral and bottom of the rainwater retention system 6.
