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。
Slurry catalyst feed pump used in gas-phase flowing bed process of PE plant is a type of single screw pump with special structure.
聚乙烯装置流化床反应器浆液催化剂加料泵是一种结构特殊的单螺杆泵。
External catalyst cooler is located between hot oil pump room, regenerator and catalyst tank, very difficult to be hoisted.
外取热器位于热油泵房、再生器、催化剂罐、大型烟道的中间，所处位置给管束吊装带来了很大的难度。
External catalyst cooler is located between hot oil pump room, regenerator and catalyst tank, very difficult to be hoisted.
外取热器位于热油泵房、再生器、催化剂罐、大型烟道的中间，所处位置给管束吊装带来了很大的难度。
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