Natural sand resources less and less, and we more and more attention to environmental protection, mechanism of sand industry ushered in the new development opportunities, but also to the mechanism of sand production system put forward higher requirements. By Liming heavy industry design configuration of the system of sand production line consists of vibrating feeder,…

In recent years, to speed up infrastructure construction in our country, the urbanization and the railway transportation has been developing rapidly, the increasing demand for high quality ballast, and natural river sand after years overexploitation has dried up, increasingly needed for the building construction quality ballast in short supply. High-quality ballast to it with the…