The catalyst pretreatment method ensures that the outlet pressure of the catalyst feed pump is remarkably lower, and catalyst feed is stable without blocking.
采用本发明的催化剂的预处理方法使得催化剂进料泵出口压力明显偏低,催化剂进料稳定,无堵塞。
2
The results show that repairing quality of the dies is affected by pretreatment, laser power scanning rates and powder feed rates.