Power Generation

CCPP - Turbigo -  Lombardy - 2021

Acoustic Enclosures:

L6,7 m W8,3 m H9,2 m – intumescent coating – 80 db(A) @, 1,5 m from the ground.

L5,6 m W2,9 m H3,6 m – intumescent coating – 80 db(A) @,1,5 m from the ground.

L16,2 m W5,8 m H6,8 m – intumescent coating – 80 db(A) @,1,5 m from the ground.

L10,7 m W9,2 H9,4 – intumescent coating – 65 db(A) @ ,1,5 m from the ground.

CCGT power plant - Agios Nikolaos -  Greece - 2021

21 Vent Silencers supplied to CCGT power plant in Agios Nikolaos, Greece.

16 vent silencers were designed for PSV, with flow rates ranging from 30 t/h to 300 t/h, temperatures up to 584°C and noise target of 115 dB(A) @ 1 m.

4 vent silencers designed for start-up valve with flow rates ranging from 6 to 260 t/h, temperatures up to 504°C and noise target of 100 dB(A) @ 1 m.

1 vent silencer applied to the atmospheric blow-down tank, performing flow rate 39 t/h, temp. up to 105 °C, 80 dB(A) @ 1m.

Trigeneration plant - Dovera -  Italy - 2019

3 Acoustic Enclosures delivered to Trigeneration plant in Dovera, Central Italy.

N° 1 Load-bearing Monobloc Enclosure for Cogenerator, Dimensions: Width mm 3.000 – Lenght mm 14.200 – Height mm 3.000

N° 1 Load-bearing Monobloc Enclosure for Transformer Dimensions: Width mm 3.000 – Lenght  mm 3.150 – Height mm 3.000

N° 1  Removable Enclosure for Absorber Dimensions: Width mm 4.500 – Lenght mm 11.400 – Height mm 3.500

The soundproof cabin guarantees a residual average sound pressure level in the free field of 65 dB(A), measured at 10 meters from the cabin.

Grastim trigeneration plant - Ferentino -  Italy - 2019

4 Acoustic Enclosures, a solution consisting of a 2.7 MW engine, a recovery boiler and an absorption system.
Acoustic Enclosure for cogenerator, air outlet and tank room, air exhaust silencer and Insulated Enclosure for auxiliaries.

The soundproof cabin guarantees a residual average sound pressure level in the free field of 65 dB(A), measured at 10 meters from the cabin and 1.5 meters from the floor.

Enel Green Power -  Bordogna - Italy - 2019

Included in the supply are the ante-operam surveys, the design, the construction, the installation and the phonometric measurements of an acoustic booth, for the historic plant in Moio de Calvi, val Brembana.

Acoustic Enclosure, Bordogna Hydroelectric Plant (Italy)
Accessible and completely removable Acoustic Enclosures with forced ventilation within historical hydroelectric power plant built in 1932.

Reconverted Paper Mill - Mantua -  Italy - 2019

Blow-Off silencer + Steam Vent Silencer for restored historical newsprint mill in Mantua. Blow Off Silencer size: Ø 2500 mm x H 7000 mm. Sound Pressure level of 100 dB (A) at 20m. Discharge conditions: maximum flow rate 135 T / h at 330° C

Steam Vent Silencer: SPM model
Size: Ø 2200 mm x H 2900 mm. Sound Pressure level of 85 dB (A) at 1 m, with a sound attenuation of 50 dB(A). Discharge conditions: Maximum flow rate 135 T / h at 160 ° C for the low pressure; 430° C for medium pressure.

New Assiut and West Damietta -  Egypt - 2018

Steam blow-off silencers and cleaning equipment, including pumps, valves, spectacle flanges, instrumentation and pneumatic target plates system, and provision of supervision services.
230 t/h capacity silencers equipped with 16 bara design pressure diffuser in a carbon steel casing 6 meters high with 2.5 meters diameter, capable to achieve a residual sound pressure level of 90 dB(A) at 3 m from equipment.

Capwatt Maia - Heat Power, SA - Maia Portugal - 2016

Large size Exhaust Silencer (SM Special), for Wartsila engine.
Flow rate 45360 kg/h, design temperature of 374°C, pressure drop of 150 mm H₂O, 65 dB(A) residual SPL at 90° and at 1 m from the chimney outlet.

Careggi Hospital, Florence, Italy - 2013

Cylindrical cartridges into vertical stacks downstream HRSG and on by-pass. Dinamic Inserion Loss on measured noise without silencers: 27 dB(A) on by-pass and 32 dB(A) on main stack. Flue gas flow rate about 47 kg/s. Exhaust gas temperatures 170 °C and 486 °C. Pressure drop less than 20 mm H2O for by-pass and 35 mm H2O on the HRSG.

Vogher CHP Plant, Pavia, Italy - 2003

Splitter silencer into the vertical stack downstream HRSG. Residual Sound Power Level < 95 dB(A). Flue gas flow rate 651 kg/s. Pressure drop less than 20 mm H2O.

Larderello Plant, Pisa, Italy - 1997

Series of soundproofing splitters inserted into an external concrete casing for geothermal plant. Robust construction suitable to accept debris or mud coming from the well. Materials suitable for the particular corrosive fluid.

Power Generation Plant, Montalto di Castro, Italy - 1994

Sound-proofed enclosures with forced ventilation on gas turbine and auxiliaries and weather hood on generator. Residual sound pressure level 45 dB(A) at 120 m distance from the complex turbine-auxiliaries and generator. Asymmetric ventilation with emergency independent extraction groups.