巩义鑫 China Machinery Mining knowledge editing: iron ore mining technology requirements: My little rich iron ore, industrial grade set at greater than 45%, the lower the phosphorus, and lower the cost of smelting iron ore sorting, is favored smelter, the higher the price. Two types of mining equipment: 1. open-pit mining: low cost, high profit Bauxite with slag machine, is mainly used to dig the rise of machines, loaders, cars, air drills, explosives. 2. underground mining: high cost, but also supports and tunnel ventilation, mine laying track, using specialized equipment train transport to the surface. As for the problem of rational use of resources, mine exploitation unit is generally difficult to achieve, will pollute the environment and damage during mining, and slag is basically useless, if it is to use lead-zinc smelter slag machine will other elements in the ore is separated, for any other purpose Gongyi Xin Hua Machinery Mining knowledge editing: Gold extract gold. Gold content in the ore is very low, in order to extract gold ore with slag machine, you need to ore crushing and grinding and beneficiation methods using pre-enrichment or separation of gold from ore manipulation. Gold mineral is used in more re-election and slag flotation machine, re-election law occupies a very important position in placer gold production, flotation is widely use rock gold mine beneficiation methods, our country is currently about 80% rock gold mine using this method with gold, mineral processing technology and equipment have been greatly improved. Copper slag used machines | Cinder machine | mining slag rake provided by Gongyi City Xinhua Machinery Factory. Gongyi City Xinhua Machinery Factory (www.gyxinhua.com) strong, credible, in Zhengzhou, Henan handling equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xinhua machinery and you hand into the brilliant, for a better future!