Rock Products

JAN 2018

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34 • ROCK products • January 2018 Controlling Dust and settle in the immediate work area or travel with the pre- vailing air movement through the mine. This raised concerns over workplace air quality. By keeping the particles within the material flow, the new dust control system helps minimize health and safety issues, reduce wear and tear on equipment and create a better work environment. Results After some fine-tuning to obtain the optimal chemical-to-wa- ter ratio, as well as proper sprayer placement for best coverage of the cargo flow, the system has eliminated most visual signs of dust emissions and has drastically improved air quality in and out of the mine. "It's almost like a light switch," Nance said. "Turn the DCU on and the dust is no longer present at either of the emission points. Turn it off and within a few minutes, the dust returns." Martin's preemptive dust mitigation strategy helped Con- tinental stay ahead of state and federal regulations on dust emissions. Along with improving the work conditions inside and outside of the mine, the cement manufacturer continues the positive relationship it has had with the community since its inception. "The Martin team has gone above and beyond to make sure everything is operational and efficient," Rosenkrans con- cluded. "We are currently considering a service contract for Integrating the system with the plant's PLC helps operators to monitor and adjust chemical outputs. The dust-management system treats the material from the top and bottom during discharge.

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