赤天化合成塔上层催化剂的装卸及还原

LOAD,UNLOAD AND REDUCTION OF THE CATALYST IN UPPER AMMONIA CONVERTER IN CHITIANHUA

介绍改造型Ｋｅｌｌｏｇｇ 合成塔上层催化剂的装卸及还原操作，为全塔催化剂的卸出作了有益的尝试。

Presents the load,unload and reduction of the catalyst in the upper section of the modified Kellogg ammonia converter,which is an beneficial attempt for the unload of all the catalysts from the whole converter