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The Romans used inverted siphons of lead pipes to cross valleys that were too big to construct an aqueduct. [41] [42] [43] Inverted siphons are commonly called traps for their function in preventing sewer gases from coming back out of sewers [44] and sometimes making dense objects like rings and electronic components retrievable after falling ...
Inverted siphoning occurs below the line "A". Examples of traps In plumbing , a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through.
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Roman aqueduct and siphon. The siphon was split into three bridge sections 600, 900 and 150 m long, separated by 5.5 m square two towers where the aqueduct bends and where the water ascended and descended and which are today still 30 m high. The siphon was built on arches to cross the marshy valley between the hills and the town.
It included 15 inverted siphons that covered a distance of 6.13 miles (9.87 km). A tunnel 0.7 miles (1.1 km) long also made up part of the ditch. The remainder was open canal. The longest section of pipeline was a 7,961 feet (2,427 m) siphon that crossed the Chatanika River with a head of 544 feet (166 m).
A lift station is a sewer sump that lifts accumulated sewage to a higher elevation. They may also be used to prime an inverted siphon used to cross underneath rivers or other obstructions. The pump may discharge to another gravity sewer or directly to a treatment plant. [6]
This runs along a mountainside for most of its 17 km (11 mi) route. When full, the water in the canal is 2.7 meters (8.9 ft) deep and flows purely by gravity apart from where two deep wadis intersect the course of the canal, Nahal Amud and Nahal Tzalmon . To overcome these obstacles, water is carried through inverted siphons. [1]
This inverted siphon was used to draw the fire's hot fumes up the front and down the back of the Franklin stove's hollow baffle, in order to extract as much heat as possible from the fumes. The earliest known example of such an inverted siphon was the 1618 fireplace of Franz Kessler. [9] The fire burned in a ceramic box.