Permeable ditch underwater water purification apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 1996
Grant Date -
N/A
app pub date -
Jul 14, 1994
filing date -
Nov 1, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A permeable ditch underwater water purification apparatus purifies source water using the principle of self-purification of water. This apparatus includes impermeable ditch walls on a tapered bottom. The apparatus also has an open top side. A granular filter layer is filled in the ditch body. Collector (counter-rinsing) pipes are provided at the bottom of the granular filter layer, and a filter protecting layer is provided on the surface of the granular filter layer. This apparatus can maintain the thickness of the granular filter layer all the year round. When blockage of the filter layer occurs, water from another ditch is pumped, and the remaining impurities in the granular filter layer can be forced away by water pumped into the collector (counter-rinsing) pipe. After sterilization by adding an appropriate amount of chlorine into the purified water, the quality of water will meet the standards for drinking water in effect in China, and the purified water may be supplied directly for use by the users.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully