The ore mined in the mine needs to be screened to leave the pure ore and remove the useless impurities. There are many ways to dress the ore . Flotation is one of them. Since it is flotation, the effect of flotation reagents is indispensable.

The flotation process is a complex physical and chemical process. Its theoretical basis is directly based on surface chemistry, colloid chemistry, crystallography and physics, while flotation reagents are an edge between Jianyou dressing and chemistry. Subject. At the same time, with the development of modern basic science and the continuous application of various tests, it has laid a good foundation for the development of mineral processing chemicals.

Currently a variety of mineral flotation process widely used not only raw materials sorting, separation and recovery process applied gradually wastewater treatment sludge, metallurgical, chemical and other materials. In order to further improve the effect of flotation and solve the problem of sorting the poor ore, fine particles, various useful constituent symbiotic ore, refractory oxidized ore and various materials, various highly selective special effects agents have been developed and applied in recent years. .

Proper use of drugs, development of new drugs, improvement of flotation process, interpretation mechanism, development of pharmaceutical theory, on the basis of existing flotation and flotation reagent theory, the application of physical chemistry and organic structure theory, trying to systematically discuss the structure and performance of flotation agent The relationship between the flotation agent and the mechanism for the rational use of the drug and the development of new drugs for specific purposes.

Paper Calender Machine

This series of calender is applied to all kinds of paper and paperboard's follow-up calendaring and finishing. When paper web passes through pressure area of each calender roll, it will be influenced by combined effect of pressure between rolls and surface friction, which plays a key role for improving smoothess, glossiness, tightness, stiffness and other physical indexes of paper and paperboard.