US 12,305,369 B2
Networked ecological conservation water-saving system for urban mass green land
Chuanglin Fang, Beijing (CN); Jun Xia, Beijing (CN); Bing Zhang, Beijing (CN); Xiaoling Zhang, Beijing (CN); Jun Wan, Beijing (CN); Chundong Gao, Beijing (CN); Beili Fan, Beijing (CN); and Shengli Zhen, Beijing (CN)
Assigned to Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing (CN)
Appl. No. 18/264,339
Filed by Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing (CN)
PCT Filed Feb. 24, 2022, PCT No. PCT/CN2022/077776
§ 371(c)(1), (2) Date Aug. 4, 2023,
PCT Pub. No. WO2022/179579, PCT Pub. Date Sep. 1, 2022.
Claims priority of application No. 202110211075.4 (CN), filed on Feb. 25, 2021.
Prior Publication US 2024/0035261 A1, Feb. 1, 2024
Int. Cl. E03B 3/02 (2006.01); A01G 25/06 (2006.01)
CPC E03B 3/02 (2013.01) [A01G 25/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A networked ecological conservation water-saving system for urban mass green land, comprising five to nine ecological conservation water-saving devices arranged orderly in per square of the urban mass green land and distributed in a centrosymmetric manner,
wherein:
the ecological conservation water-saving device comprises:
a columnar housing with an overall cross-section shaped in a regular hexagon, an upper part of the columnar housing being provided with an infiltrating irrigation unit, a first water storage unit being arranged in a center of the infiltrating irrigation unit, and a lower part of the first water storage unit being provided with at least one second water storage unit sequentially connected to the first water storage unit;
a first water delivery pipe network connected to the first water storage unit;
a second water delivery pipe network connected to the second water storage unit; and
a third water delivery pipe network arranged within the infiltrating irrigation unit,
wherein the infiltrating irrigation unit comprises: an outer layer with an outer profile shaped in a regular hexagon and with a top corner protruding outwards; and an inner layer of a hollow cylinder with a geometric center of a hexagonal shape as a circle;
the infiltrating irrigation unit is divided into six radiant irrigation zones by perpendicular lines from a geometric center of a cross-section to six sides of the regular hexagon, and a grille is provided between two adjacent radiant irrigation zones;
the infiltrating irrigation unit is provided with an aeration and water-retention slow-release layer, a water passage layer, and an aeolian sand filling layer sequentially from inside to outside, a griller being arranged between the aeration and water-retention slow-release layer and the water passage layer, and a griller being arranged between the water passage layer and the aeolian sand filling layer.