Page 37 - Glass Machinery Plants & Accessories no. 1-2019

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LASS PACKAGING FLOW METERS COMPARE
PLANTS USE LESS AND HOW MACHINES PERFORM
GLESS AIR Flow meters can be placed
In an average glass packaging on each compressor, as well
plant the need for air can easily as on the main lines to, for
exceed 30,000 to 35,000 Nm3/ example, to the bottle-blowing
hr. With such volumes, com- machines. There are ﬂow meters
pressed air accounts up to 30 per that monitor the production and
cent of the total electrical power consumption of air. The data
consumption of these companies, retrieved is logged in a system
and it makes sense that this is a that also keeps track of gas,
main priority. power and water consumption.
VPInstruments supplies its This can provide a wealth of
ﬂow meters to measure the pro- data that can be used to develop
duction and consumption of new energy savings measures.
compressed air to container glass The efﬁciency of compressors
manufacturers globally. These can be monitored by compar-
plants produce millions of glass ing the amount of compressed
containers per year, using com- air produced with the power
pressed air to drive the glass consumption. As soon as a com-
blowing machines and to blow pressor shows a drop in perfor-
liquid glass into moulds. mance, the root cause can be
VPInstruments equipment located; for example an issue
provides insight into maintain- with the cooling system or a
ing efﬁciency in the machines fouled inlet ﬁlter. Using the
and compressors as well as to same method the consumption
quickly detect any compressed of compressed air of the bottle-
air leakages. blowing machines can also be

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