硅质捣打料粒度配比 Grain size ratio of silicon ramming material

硅质捣打料主要用于中频炉炉衬， 捣打料以成型之前无粘结性，以振动或者强力捣打获得密实结构，故合理的粒度分配成为影响其性能的重要因素之一，硅质材料在高温下存在复杂的晶相转变，因而要考虑加入硅砂粒度组成以及结合剂种类对材料高温性的影响，从sio2-b2o3相图看，b2o3的加入量不易过多。随着原料颗粒粒度的增大，烧后硅质材料耐压强度增大，因而捣打料中加入硅砂粒度越大越好。 Quartz ramming material is mainly used for induction furnace lining, tamping material before forming no bonding, with vibration or powerful tamping get compact structure, so the reasonable size distribution become one of the important factors affecting the performance, quartz materials at high temperature complex phase transition, so to consider to add silicon sand size composition and the influence of the material high temperature, from the sio 2-b2o3 phase diagram, b2o3 added amount is not easy too much. With the increase of the particle size of the raw material, the compressive strength of the silicon material increases after burning, so the greater the particle size of the silicon sand is added to the tamping material, the better.