球形闭孔膨胀珍珠岩的制造方法(Ⅰ)——新型电加热珍珠岩膨胀炉的研制

Method for manufactering spherical and pore closed expanded perlite: (Ⅰ) Study on a new type of electric furnace for expanding perlite

介绍了一种新型电加热珍珠岩膨胀炉的原理和结构，简述了该膨胀炉的特点并与传统膨胀炉型作了比较，给出了该炉的部分结构参数．

A new type of electric furnace for heating perlite and its principle,structure and the characteristics are introduced.Also,the furnace is compared with trandictional ones and some structure data are given.