1 large traffic. Advanced mining countries have evolved to hour transport capacity up to 1500t (80 years)3500t (90 years) of the concrete batching plant.
2, long transport distances. To reduce the phase pillar mining area loss, increase the length of the face, scraper conveyor The length of the machine has reached more than 335 m.
3, high-power motors. Motor power has grown to single-speed motors up to 525kW, two-speed motor 500/250kW.
4, long life. The use of large diameter ring chain, increasing the intensity of scraper chain, extending the concrete block making machine Life, the whole amount of coal had up to 600 tons.
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