Mineral resources, as a kind of important non-renewable natural resources, are the indispensable material basis for the survival and development of human society. It is not only the significant source of people's livelihoods, but also the crucial means of production. In modern society, 95% of the energy and more than 80% of industrial raw materials are derived from mineral resources. The exploitation of mineral resources has greatly promoted the development of the national economy, but it also has caused a waste of part of resources, and brought serious damage to the environment of natural resources and ecological balance at the mine. The problem of how to reduce the emissions of the mine waste to protect the environment is particularly important.

At present, the solid wastes of ore beneficiation are sent to the tailing pond to store in China, which not only takes up a lot of land but also pollute the environment directly, threatening the safety of human life and property. Tailings particles are small, light in weight, easy to flow away and easy to fly upward, therefore, it is a kind of potential hazard to the air, water, farmland and villages.

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Therefore, starting from the perspective of sustainable development, we must accelerate the research and application process of changing the mine solid waste into resources, striving to turn waste into treasure. Henan Hongxing Heavy Industry, according to the characteristics of mining solid wastes, intensify research and development , having created a series of crusher equipment such as jaw crusher, impact crusher, cone crusher and other crushing processing equipment to process slag, tailings and other mining solid wastes, offering a fundamental solution to the problem of solid wastes.