In this paper, not only the construction characterisics and working principle of opposed jet mill are presented bridfly, but also the experimental study in opposed jet pulverization of limestone is presented.

The cause analyses and model study of striation on cut surface generated by abrasive jet;

Experimental research on application of abrasive jet slotting technology toimprove flow field nearby wellbore formation;

Mechanism study of cutting metal casing by abrasive jet;

Application of the frequency conversion and speed regulation in the production line of jet mill;

The effect of the technical parameters on the particle size of the tourmaline powder product from the jet mill is investigated by the QLM-Ⅳ fluidized bed opposed jet mill.

The key equipment of a pilot plant to produce ultra-fine tourmaline powder with jet mill and stirred ball mill is described.

Application and Research of Removal of Inner Hole Burrs With Abrasive Water Jet Technology;

Two phase flow property of the pre-mixed abrasive water jet;

Numerical simulation of the nozzle inside-flow of collimated pipe abrasive water jet;