Large rain collection treater
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- SHANGHAI JIAO TONG UNIV
- Publication Date
- 2006-03-15
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention relates to a device in the technical field of water conservancy engineering, in particular to a large-scale rainwater collection and treatment system device. Background technique
[0002] my country's water resources are seriously insufficient. my country's per capita water resources are less than 2,200 cubic meters, less than one-third of the world's average, and only 990 cubic meters in the northern region, less than one-eighth of the world's average. Severe water pollution has exacerbated the shortage of water resources. At present, the national water shortage in normal years is nearly 40 billion cubic meters, of which about 30 billion cubic meters are lacking in irrigation areas. An effective rainwater collection system is the need for the sustainable development of the country's economic construction. Rainwater harvesting for drinking, gardening, and other domestic purposes is now found in new urban developments. The collected rain...