Salt-isolated rain garden structure

US11470787B2 · kind B2 · utility

Assignees

• Shanghai Municipal Engineering Design Institute (Group) Co., Ltd. · CN
• Shanghai Jiao Tong University · CN

Inventors

• Bingqin Yu · Shanghai, CN
• Shengquan Che · Shanghai, CN
• Lu Wang · Beijing, CN
• Zulan Mo · Shanghai, CN
• Yongpeng Lv · Shanghai, CN
• Yan Chen · Chengdu, CN
• Chen Zhang · Shanghai, CN

Key dates

• Filing date: Jun 1, 2020
• Grant date: Oct 18, 2022
• Expiry date: Nov 5, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A40/28
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The present invention belongs to the technical field of landscape garden engineering, and specifically discloses a salt-isolated rain garden structure. The salt-isolated rain garden structure includes a depression surrounded by side slopes, where a 10 cm thick drainage layer, a 10-30 cm thick filler layer, a 5 cm thick transition layer, a 20-30 cm thick planting layer, a 0.2-0.5 cm thick mulch layer and a 15-20 cm thick ponding layer are stacked in order from the bottom of the depression to up; a salt barrier is disposed between the planting layer and the transition layer and/or between the drainage layer and a saline layer; a vertical overflow pipe and a horizontal drainage pipe are disposed at the bottom of the depression; the overflow pipe and drainage pipe are connected; the salt barrier is filled with river sand, zeolite or ceramsite and is 10-20 cm in thickness.