Shoptalk

Shoptalk

Bulk cargo handler blankets dust at SEPSA’s Port of Veracruz facility

Tuesday, 02 August 2011 16:55

A high-efficiency stevedoring and bulk cargo distribution center in Mexico has specified a powerful dust suppression technology to maximize productivity and minimize water usage, while protecting workers, the sensitive marine environment, and nearby downtown community. The atomized mist equipment from Dust Control Technology of Peoria, Ill., replaces manual hose spraying techniques, enabling the company to effectively manage both settled dust and airborne particles, saving money on water charges and redirecting manpower to core activities.

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Vulcan plant’s automated control gains throughput, saves energy

Wednesday, 27 April 2011 21:31

Vulcan Materials Company, the nation’s largest producer of construction aggregates, a major producer of asphalt mix and concrete, and a leading producer of cement in Florida. Its Jacksonville-based Florida Rock division is a leading producer in the state of aggregates, ready-mixed concrete, concrete block, portland cement, and prestressed concrete. The company's cement finishing mill is located in Newberry, Fla.

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Chronic damage yields to Aegis iPro protection

Tuesday, 28 December 2010 21:02
The all-too-familiar sound of chronic bearing damage—squealing heard above the roar of a 5,000-hp motor powering the huge ball mill—prompted Monarch Cement’s Humboldt, Kan., plant to find a new and lasting remedy. While the operation has the capacity to produce 1.3 million tons of cement a year, turning out 100 tons of clinker per hour, its motor bearings had been replaced three times since 2001 when the ball mill was new. 

“Despite repeatedly greasing those bearings, they kept on squealing,” recalls Randy Riebel, electrical supervisor at the Humboldt plant. “We knew that if we waited too long, the bearing race walls would become fluted like they had in the past, and we weren’t looking forward to another expensive and time-consuming replacement. Pulling that motor is a major production; it takes at least 10 days. Sometimes we have to hire help, rent a hoist to put it on a truck, and take it away to be rebuilt. The time had come to try something else.”

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