How to Reduce Noise
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In Illinois, HMA plants must weigh the material coming out of the bag house cleaning system, divert it into a storage silo and then feed the prescribed amount of fines back into the mixing drum.
In Illinois, HMA plants must weigh the material coming out of the bag house cleaning system, divert it into a storage silo and then feed the prescribed amount of fines back into the mixing drum.
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A key area for noise reduction for Gallagher was the Astec Double Barrel dryer/mixing drum.
A key area for noise reduction for Gallagher was the Astec Double Barrel dryer/mixing drum.
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Gallagher's Joliet plant includes extensive landscaping between the road and the new plant.
Gallagher's Joliet plant includes extensive landscaping between the road and the new plant.
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With the new Joliet plant, Gallagher placed a lot of effort into the design of the plant to be flexible yet as simple as possible, with a big emphasis on noise reduction.
With the new Joliet plant, Gallagher placed a lot of effort into the design of the plant to be flexible yet as simple as possible, with a big emphasis on noise reduction.
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Gallagher weighs the fines discharged from the bag house in a weighpod, a collection vessel supported on loadcells. Then, materials are pneumatically conveyed to a storage silo.
Gallagher weighs the fines discharged from the bag house in a weighpod, a collection vessel supported on loadcells. Then, materials are pneumatically conveyed to a storage silo.
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The new Joliet plant now has five, 350-ton HMA silos set up for long-term storage that give the company a lot of capacity to store mix and get ahead of crews on high-production days.
The new Joliet plant now has five, 350-ton HMA silos set up for long-term storage that give the company a lot of capacity to store mix and get ahead of crews on high-production days.
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Previously Gallagher only had six cold feed bins and a single RAP bin. Now, the two RAP bins give the company the capability to incorporate RAS into its mixes.
Previously Gallagher only had six cold feed bins and a single RAP bin. Now, the two RAP bins give the company the capability to incorporate RAS into its mixes.
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The plant includes a new tank farm with concrete secondary containment for the three 35,000-gallon liquid asphalt storage tanks.
The plant includes a new tank farm with concrete secondary containment for the three 35,000-gallon liquid asphalt storage tanks.
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Asphalt plants continue to face challenges as new regulations are created. Whether faced with air quality requirements or noise reduction options, asphalt plants must continue to make the appropriate upgrades to meet regulations. Gallagher Asphalt Corporation is one company that has successfully enhanced its facilities to meet the growing requirements.
Currently, Gallagher is in its third generation of ownership and was founded in 1928 by James Gallagher. It operates three plants in Illinois...
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