To save some of the problems with pipeline transport filling process in bro-ken inclined orebody mining,a new filling process of throwing crushed-stone concrete isused,as a result,the filledbody quality has been improved,a more closed up fillingachieved,the mining dilution and loss rates lowered,and better technical economy benefitsobtained.This paper fully describes the filling process and introduces the structure,perfor-mances and operation principle of ModeI PC-1 thrower.