我公司为提高炉条机可靠性、延长寿命,于1994年初切断了炉底冲灰冷却水,但却使炉底工作温度提高到210℃左右,从而使简易填料函寿命急剧缩短.油缸短节填料密封(见图1)由填料函、石棉填料及填料盖组成,填料函由炉外装人,填料腔仅能容纳3圈石棉盘根.我们曾尝试使用过碳素纤维盘根、膨胀 In order to improve the reliability and prolong the life of the stoker machine, our company cut off the ash-out cooling water at the bottom of the furnace in 1994, but raised the working temperature of the hearth to about 210 ℃, which shortened the life of the simple stuffing box. The packing seal (see Figure 1) consists of a stuffing box, asbestos packing, and a stuffing cap. The stuffing box fills the outside of the oven, and the stuffing cavity holds only three turns of asbestos packing. We have tried using carbon fiber packing