Tailings making sand equipment
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China [CN] 
The waste rock chips from different sources have different lithologies, different mining and crushing processes, and have very different physical properties. At present, there is insufficient systematic research on the performance of rock chips, and the law of the quality of rock chips and their impact on concrete performance is mastered. insufficient.
The low-quality stone chips have large powder content, rough surface, sharp edges and corners, difficult mud removal and shaping technology, and large investment; the problem of mud removal and shaping is not solved, and it is not conducive to the convenience of concrete, increasing the amount of cement, poor market acceptance .
For different types of waste rock chips, targeted sand making process is required, and the performance of the manufactured sand is also different. Therefore, there are higher management and monitoring requirements for the production of sand and the use of machined sand. Enterprises at this stage I still don’t understand this, and I just want to apply it in a simple way. As a result, the expected economic and environmental benefits are not realized, and the enterprise loses its motivation and determination to practice.
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