1983年《节能》杂志第2期刊登了二次风经济炉改进文章后,收到各地的来信,要求提供更全面的资料,现介绍如下: 一、炉芯的结构及新型保温材料的选用在上海市场上供应的炉芯,是由无锡生产的,它用耐高温的粘土经烧结而成。最近又试制了用电厂的漂珠掺合一定数量水泥做成的炉 1983, “Energy Saving” magazine published the second article after the second economic wind furnace improvement articles, received letters from all over the world, asked for more comprehensive information, are as follows: First, the structure of the furnace core and the selection of new insulation materials Furnaces supplied on the Shanghai market are produced in Wuxi and are made from sintered high temperature clay. Recently tried to use power plant floating beads mixed with a certain amount of cement made of furnace