风化石制沙设备
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风化石打沙机、风化石破碎洗沙设备

风化沙是指花岗岩变质岩或片麻岩,这种岩石具有易细碎的优点和抗压强度低的缺点,被广泛用于建设二类用沙。这种岩石结构普遍具有泥土和云母含量高的形式存在,所以在细碎后必须通过水洗和云母分离机去除杂质后方可用于建设用沙。

Weathered sand is granite metamorphic rock or gneiss. This rock has the advantages of easy crushing and low compressive strength. It is widely used to build two kinds of sand. This rock structure generally exists in the form of high content of earth and mica, so after finely crushing, it must be washed by water and removed by impurities from mica separator, then it can be used for construction sand.

      随着河沙资源的日益枯竭,环保整治力度的不断加大,一些河流、水库等沙场的不断关闭,风化沙逐渐的代替了河沙。风化砂是地表岩层风化过程的中间产物,也是河沙的前期产物,其耐久性较一般河沙差,物理力学性质较不稳定。风化砂的特征是颗粒呈棱角状,强度较弱,大小分布不均匀性较大,并含有一量的细土粒。

   With the increasing depletion of river sand resources and the continuous improvement of environmental protection efforts, some rivers, reservoirs and other sandworks have been closed, and weathered sand gradually replaced river sand. Weathered sand is an intermediate product of weathering process of surface rocks. It is also a prophase product of river sand. Its durability is worse than that of ordinary rivers and sand, and its physical and mechanical properties are unstable. The characteristic of the weathered sand is that the particles are angled, the strength is weak, the size distribution is not uniform, and a quantity of fine soil particles are contained.

风化沙多系花岗片麻岩和闪长片麻岩,这种强风化的片麻岩经爆挖松及转运后,就变成松散的风化石渣或石沫。风化砂具有很强的抗水性,可以作为建设二类用砂。风化砂的固结也较快,可以作为良好的透水料或半透水料。

Weathered sand multi line granite gneiss and diorite gneiss, the weathered gneiss by blasting dig and transport, it becomes loose weathered stone slag or stone. Weathered sand has strong water resistance and can be used as the construction of two types of sand. The consolidation of weathered sand is also faster, and it can be used as a good pervious or semi permeable material.

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