It is hydraulically powered by the PTO circuit. Simple to operate, the unit requires only a scoop operator, and a person to operate the spray wand, which has a 50-ft hose. The applicator machine batches product and allows face spraying operations in permissible locations. A typical batch of operation allows for 250 ft of roof and rib coverage, depending upon mining height and width. A hydraulic powered air compressor allows for 30%-50% more coverage per batch by improved dispersion of product via air assist spray nozzle. The system was designed to assist coal operators with compliance, especially when faced with a shortage of conventional rock dust, and improve productivity and safety.
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