Introducing the technology of thermo-mechanical rock fragmentation,general domestic and oversea developing situation,analyzing the fragment mechanism and the reason for improving the drilling efficiency, further expatiating the prospect of the technology of thermo-mechanical rock fragmentation and the measures that should be taken to consummate this technolog

Prescription of matrix in thermo-mechanical drilling is calculated through programming design in this paper.

On the basis of degesting the import technique, the built-up welding art of the wear/heat resisting alloy bed on spike roller of hot crusher was improved in sintering plant, Handan I&S Co As a result,the lifetime of spike roller without water cooling could exceed one year, far more than the life of allied built-up welding spike roller at hom

Design and application of single-roll hot breaker;