Page 78 - Industrial Plants

maximum practical and feasible size. Then, a further
expansion was obtained by adding a third cell Conclusions
equipped with three fans. Finally, the use of ultra low A strict co-operation was established between
noise fans (swirled blades fans) in place of low noise Boldrocchi and Renco to optimize the design of the air
fans (straight blades fans) allowed the meeting of cooled heat exchangers for a gas compressor station in
the projects needs in terms of noise. Denmark.
It is interesting to note how the reduction of noise “Renco was awarded the contract
emission was obtained together with the reduction in May 2020 and Boldrocchi fully
of the electric power consumption. This was delivered the equipment in May 2021
basically due to the reduction of ambient air flow
needed for cooling, hence the reduction of fans The possibility of discussing the project since the very
load, and not because of the different efficiency beginning allowed the needed degree of freedom for
levels of fans. Low noise fans are indeed usually less finding the right compromise between performance and
efficient than regular fans. cost, and allowed to win the Project. Renco was
Other expediencies have been applied and taken awarded in May 2020 and Boldrocchi fully delivered the
into account to reduce noise but are not reported equipment in may 2021. The project has been
here as related contribution to noise reduction is challenging for all people involved but has brought great
limited. satisfaction.

Marco Soffi ato

Passionate about noise, energy, and techno-economic sector for 8 years. Sales Engineer at Boldrocchi’s for the
optimizations. He holds a master degree in energy Air Cooled Heat Exchangers.
engineering and have worked in the power generation

Nicola Mauri

Sales Manager at Boldrocchi’s for the Air Cooled Heat and power generation applications, developing solutions
exchangers. He joined the Company in 2006 and for non-standard applications.
worked on several projects for the Oil&Gas, industrial

Stefano Vaccarini

Machinery & Package Engineer in the Industrial Plants Specialist Leader for mechanical discipline, including
Division of Renco S.p.A. since 2016. Followed the noise performance management for equipment and the
supplies of machineries, packages and static equipment entire Plants.
for several compression stations. Currently Project

INDUSTRIAL PLANTS - May 2022
76