Rainwater collection method for roof greening
A technology for rainwater collection and roof greening, applied in botanical equipment and methods, water supply devices, drinking water devices, etc., can solve the problems of complex and large equipment, little effect, high cost, etc., and achieve more effective nutrients and less auxiliary components , the effect of large absorption capacity
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Embodiment 1
[0024] This embodiment provides a method for collecting rainwater for roof greening, comprising the following steps: (1) building a polyvinylidene fluoride sash with a height of 8 cm on the roof, and the length and height of the sash are 1 m; 5 rows of grid groups are set in parallel, each row of grid groups includes the first row of grids and the second row of grids, and the first row of grids and the second row of grids each include 10 grids; the first row of grids is filled with 6cm high mixture, the raw materials of the mixture include expanded vermiculite, peat, compound fertilizer and plant seeds; the top of the second row of grids is sealed with the first porous membrane with a pore size of 0.8cm, and the opening of the first porous membrane The porosity is 18%, and a second perforated film with a pore size of 18um is pasted around it, and the porosity of the second perforated film is 48%; between the first row of grids and the second row of grids, there are multiple Ch...
Embodiment 2
[0026] This embodiment provides a method for collecting rainwater for roof greening, comprising the following steps: (1) building a polyvinylidene fluoride sash with a height of 12 cm on the roof, and the length and height of the sash are 1 m; 5 rows of grid groups are set in parallel, each row of grid groups includes the first row of grids and the second row of grids, and the first row of grids and the second row of grids each include 10 grids; the first row of grids is filled with 6cm high mixture, the raw materials of the mixture include expanded vermiculite, peat, compound fertilizer and plant seeds; the top of the second row of grids is sealed with the first porous membrane with a pore size of 1.2cm, and the opening of the first porous membrane The porosity is 22%, and a second perforated film with a pore size of 22um is pasted around it, and the porosity of the second perforated film is 52%; between the first row of grids and the second row of grids, there are multiple C...
Embodiment 3
[0028] This embodiment provides a method for collecting rainwater for roof greening, comprising the following steps: (1) building a polyvinylidene fluoride sash with a height of 10 cm on the roof, and the length and height of the sash are 1 m; 5 rows of grid groups are set in parallel, each row of grid groups includes the first row of grids and the second row of grids, and the first row of grids and the second row of grids each include 10 grids; the first row of grids is filled with 6cm high mixture, the raw materials of the mixture include expanded vermiculite, peat, compound fertilizer and plant seeds; the top of the second row of grids is sealed with the first perforated film with a pore size of 1 cm, and the openings of the first perforated film are sealed. rate of 20%, and a second perforated film with a pore diameter of 20um is pasted around it, and the porosity of the second perforated film is 50%; between the first row of grids and the second row of grids, there are mul...
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