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U.S. Department of Energy
Office of Scientific and Technical Information

Dry well filtration system

Patent ·
OSTI ID:6106651
A filtration system is described comprising: means for minimizing clogging of a dry well by silt and gravel and removing suspended particles from water entering a dry well including in combination: a buffer tank having a top, bottom, first and second sides, and first and second ends, with a water inlet at the first end and water outlet at the second end; means for connecting the water outlet to a dry well drain pipe; means for connecting the water inlet to a source of water input; baffle means for trapping silt and gravel to prevent such silt and gravel from reaching the water outlet, the baffle means comprising a baffle plate in the tank extending from the first side to the second side and from the bottom to a predetermined distance from the top near the first end and located with respect to the water inlet to prevent water flow in a straight line from the water inlet to the water outlet; and filter means for removing suspended particles from water passing through the tank, the filter means including a filter member in the tank and extending from the first side to the second side and extending substantially from the top to the bottom, the filter member located between the baffle plate and the water outlet to prevent particles of greater than a predetermined size carried by water flowing through the water inlet from passing through the filter member to the water outlet.
Assignee:
NOV; NOV-87-078363; EDB-87-167818
Patent Number(s):
US 4689145
OSTI ID:
6106651
Country of Publication:
United States
Language:
English