The status and trend in development of catalyst cooler in residue fluid catalytic cracking unit (RFCCU) were introduced.
介绍了重油催化裂化取热技术的现状及发展趋势。
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。
The causes of failure of the U-type catalyst cooler in regenerator of FCCU were analyzed with optical microscope and scanning electron microscope.
应用光学显微镜和扫描电子显微镜研究分析了催化裂化装置再生器内U型取热盘管失效的原因。
Through checking the heat removal of the catalyst cooler based on running data and considering the changeable feedstock source, it was recognized that the heat removal range was rather narrow.
根据生产数据核算外取热器取热情况，结合装置原料多变的实际，认为其取热范围偏窄。
Through checking the heat removal of the catalyst cooler based on running data and considering the changeable feedstock source, it was recognized that the heat removal range was rather narrow.
根据生产数据核算外取热器取热情况，结合装置原料多变的实际，认为其取热范围偏窄。
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