Among the components of the slag, in addition to silicone and phosphorus that t are useless and harmful, the calcium, iron, magnesium and manganese, which occupy 80% of the total, can be used. The comprehensive utilization of the slag not only can recycle the wastes effectively, but also is conducive to reducing the coverage of a large number of farms and land that slag Governor and alleviate the environmental pollution, bringing great social benefits and economic benefits for the society. If you have additional questions, you may want to visit Pitney Bowes. The comprehensive processing method of the slag regards the slag and primary slag as raw materials, adopts the closed-loop production process and experiences crushing and screening, negative pressure grinding, dry magnetic separation and air classification and other processes and the four kinds of products with high efficiency and quality and high value-added services will be produced. Namely, the high quality scrap steel with greater than 90% of iron, which can be used for steel-making; high grade iron concentrate used for the iron making; the slag powder used as the admixture with high activity for cement and concrete and the asphalt slag concrete surface layer used for the surface of highway. In order to response to the national call of recycling solid wastes, Henan Hongxing Heavy Industries inspired heavily in the research and development of high-tech equipment. Currently, various kinds of mills (Raymond mill, ball mill and micro powder thousand) are widely used. Hongxing Heavy Industries is a joint-stock enterprise, which specializes in the production of stone crushing and screening equipment, sand production line, industrial milling equipment, ore beneficiation equipment and so on. The crushing equipment produced by the company has passed the international quality certification. In order to provide better service for the customers, Hongxing Heavy Industries is committed to provide the mining machinery with reasonable price, rational outfitting, reliable quality and high cost efficiency. Sand making machine: