This 400tph granite crushing line is specially designed for the Sichuan-Tibet Railway Ya'an-Linzhi section, addressing the challenges of high altitude, complex geology and large tunnel muck output. It adopts a three-stage crushing process to handle hard granite efficiently. The jaw crusher undertakes primary crushing, the cone crusher for secondary fine crushing, and the VSI crusher for shaping and sand making. The line realizes stable operation in low-temperature and thin-air environments, with uniform output particle size and high cubical degree, fully meeting the high standards of railway subgrade and concrete aggregate. It also achieves "zero waste" of tunnel muck, saving transportation costs and conforming to environmental protection requirements, providing stable and high-quality aggregate support for the railway construction.
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