Elevated potable water tank and tower cleaning system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B08B-009/00
B08B-003/02
출원번호
US-0729928
(2012-12-28)
등록번호
US-8852355
(2014-10-07)
발명자
/ 주소
McClelland, Joseph James
출원인 / 주소
McClelland, Joseph James
대리인 / 주소
Fishel, Grace J.
인용정보
피인용 횟수 :
1인용 특허 :
12
초록▼
A system for vacuuming out sediment when installed on the inside of a gravity feed, elevated potable water tank or tower holding water at a pressure head of the kind having a riser serving as a water inlet and outlet. The system having a manifold installed along the bottom wall of the tank or tower
A system for vacuuming out sediment when installed on the inside of a gravity feed, elevated potable water tank or tower holding water at a pressure head of the kind having a riser serving as a water inlet and outlet. The system having a manifold installed along the bottom wall of the tank or tower connected to a plurality of downwardly directed nozzles. The manifold is connected to a drain pipe passing down through the riser and is supported so that the nozzles are positioned above the bottom wall in the vicinity of the sediment. When water is allowed to flow through the drain pipe, the pressure head causes sediment which may otherwise be a health risk and promote electrolytic corrosion to be vacuumed out by the nozzles.
대표청구항▼
1. A gravity feed, elevated potable water tank or tower wherein an accumulation of sediment occurs along a bottom wall surface, said tank or tower having a riser pipe having an inside which serves as a water inlet and outlet, said tank or tower holding water at a pressure head, and a passive system
1. A gravity feed, elevated potable water tank or tower wherein an accumulation of sediment occurs along a bottom wall surface, said tank or tower having a riser pipe having an inside which serves as a water inlet and outlet, said tank or tower holding water at a pressure head, and a passive system for vacuuming out the sediment comprising a conduit manifold along a bottom wall of the tank or tower with conduit branches connected to a plurality of nozzles downwardly directed to the bottom wall surface, said manifold supported above the bottom wall on struts such that the nozzles are positioned above the bottom wall in the vicinity of the sediment, a drain pipe connected to the manifold and extending through the inside of the riser pipe, a valve for controlling flow of water through the drain pipe, said nozzles and manifold in fluid communication with the drain pipe, whereby the pressure head in the tank or tower causes sediment to be vacuumed out of the tank or tower by the nozzles as water flows down through the drain pipe. 2. The tank or tower of claim 1 wherein the conduit branches comprise plurality of radially inwardly extending conduits, said struts supporting the tubular conduit loop and the radially extending conduits, said radially extending conduits connected to a plurality of laterally extending conduits to which the downwardly directed nozzles are attached, said radially extending conduits and laterally extending conduits positioning the nozzles such that the sediment within the tubular conduit loop has a substantially equally short distance to a nozzle. 3. The tank or tower of claim 2 wherein each strut is mounted on a plate welded to the bottom wall of the tank. 4. The tank or tower of claim 3 wherein flexible metal bands adapted to encircle and tightly clamp the tubular conduit loop and radially extending conduits are provided at each associated strut, each strut having an aperture and each flexible metal band having upturned ends with openings, each flexible metal band attached to the associated strut with a bolt secured with a nut, said bolt passing through the aperture in the strut and openings in the flexible metal band. 5. The tank or tower of claim 2 wherein the nozzles are flared. 6. The tank or tower of claim 2 wherein the tubular conduit loop, radially extending conduits and laterally extending conduits have progressively smaller channels thereby to increase the speed of water flow through the nozzles. 7. A gravity feed, elevated potable water tank or tower wherein an accumulation of sediment occurs along a bottom wall surface, said tank or tower having a riser pipe having an inside which serves as a water inlet and outlet, said tank or tower holding water at a pressure head, and a passive system for vacuuming out the sediment comprising a manifold along the bottom wall of the tank or tower connected to a plurality of nozzles downwardly directed to the bottom wall surface, said manifold supported above the bottom wall on struts such that the nozzles are positioned above the bottom wall in the vicinity of the sediment, said manifold comprising a tubular conduit loop connected to a plurality of radially inwardly extending conduits, said struts supporting the tubular conduit loop and the radially extending conduits, said radially extending conduits connected to a plurality of laterally extending conduits to which the downwardly directed nozzles are attached, said radially extending conduits and laterally extending conduits positioning the nozzles such that the sediment within the tubular conduit loop has a substantially equally short distance to a nozzle, said tubular conduit loop, radially inwardly extending conduits and laterally extending conduits formed of PVC pipe segments and couplings with the tubular conduit loop having a larger channel than the radially inwardly extending conduits and the radially inwardly extending conduits having a larger channel than the laterally extending conduits, a drain pipe connected to the tubular conduit loop and extending through the inside of the riser pipe, a valve for controlling flow of water through the drain pipe, said nozzles, laterally extending conduits, radially inwardly extending conduits and tubular conduit loop in fluid communication with the drain pipe, whereby the pressure head in the tank or tower causes sediment to be vacuumed out of the tank or tower by the nozzles as water flows down through the drain pipe. 8. The tank or tower of claim 7 wherein the nozzles are flared. 9. The tank or tower of claim 7 further comprising a settling tank for receiving water laden with sediment exiting the drain pipe at a bottom of the water tank or tower. 10. The tank or tower of claim 7 wherein the tubular conduit loop has a 4 inch channel, the radially inwardly extending conduits have a 2 inch channel and the laterally extending conduits have a 1 inch channel.
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이 특허에 인용된 특허 (12)
Weiland Henry J. (Birmingham AL) Black Dewey W. (Tarrant City AL), Apparatus for removing gelatinous sludge and solids from settling basins.
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