INTRODUCTION

Calcium silicate particles are granular alloys made of calcium silicate alloy after crushing. Its main components are silicon and calcium, and it also contains different amounts of iron, aluminum, carbon, sulfur, phosphorus and other impurities. Iron and steel industry is used as calcium additive, deoxidizer, desulfurizer and denaturant for non-metallic inclusion. Cast iron industry is used as inoculant and denaturant.