Vacuum station Vacuum

Vacuum Stations
August 15, 2017 – 06:50 pm

IMG_7749Closed “Green” System: Because vacuum sewers are completely contained, there is no danger of sewage escaping into the environment.

Reliable System: The AIRVAC system will continue to function normally during a power outage with power from a standby generator located at the vacuum station.

Minimal Construction Impact: Vacuum sewers use small diameter vacuum mains buried in shallow trenches. That means less digging, smaller equipment, and little disruption to yards and traffic.

Vacuum sewers were first installed in Europe in 1882 but until the last 30 years it had been relegated to a niche market. The first who has applied the negative pressure drainage (so called vacuum sewerage) was the Dutch engineer Charles Liernur in the second half of the 19th century.IMG_7754 It was only used on ships, trains and airplanes for a long time. Technical implementations of vacuum sewerage systems were started after 1959 in Sweden by Joel Liljendahl and afterwards brought onto the market by Electrolux. Nowadays several system suppliers offer a wide range of products for many applications.

A vacuum sewer system uses the differential pressure between atmospheric pressure and a partial vacuum maintained in the piping network and vacuum station collection vessel. This differential pressure allows a central vacuum station to collect the wastewater of several thousand individual homes, depending on terrain and the local situation. Vacuum sewers take advantage of available natural slope in the terrain and are most economical in flat sandy soils with high ground water.A vacuum sewer system uses the differential pressure between atmospheric pressure and a partial vacuum maintained in the piping network and vacuum station collection vessel. This differential pressure allows a central vacuum station to collect the wastewater of several thousand individual homes, depending on terrain and the local situation. Vacuum sewers take advantage of available natural slope in the terrain and are most economical in flat sandy soils with high ground water.

Source: www.klwtd.com
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Popular Q&A
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What is a vacuum?

A "vacuum" is a state of emptiness or a void (Latin vacuus, from vacare, to empty).
Classically, it is used to denote a space absent of matter, or of air, as in outer space.
A "pure vacuum" (or complete vacuum) is a state of containing absolutely no matter, which only theoretically exists.
A vacuum is a cleaner that uses electricity. Vacuums suck up dust from the floor and they put it in a bag where it keeps all of the dust.
Pure vacuum is the state of containing absolutely no matter of any kind, not even gas.

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