points out the critical problems and reasons system of equipments. this thesis simulated the primary reformer according to the problems of equipments exists in reformer.
针对工艺方面存在的问题,对一段转化装置进行模拟计算,分析了水碳比、燃料用量及空气过剩系数对转化过程的影响。
the refinery coker dry gas is treated with the dry gas plant, then sent into the primary reformer to substitute for a part of naphtha as the feed for ammonia production.
来自炼油厂的焦化干气经过干气装置处理后,送入一段转化炉替代部分石脑油作为合成氨原料。
by analyzing the causes for overheating of the external wall of the primary reformer tubes, preventive measures have been taken accordingly, so as to prolong their service life.
通过对一段转化炉管外壁超温原因的分析,制定相应的防范措施,以延长其使用寿命。
the macrograph, micrograph and fracture surface of a failiure conduit of the primary reformer were analyzed with optical microscope and sem.
用光学显微镜、扫描电镜对一段炉下集气管鼓胀破裂的导淋管的宏观、微观组织,断口形貌进行了分析。
discuss the necessity for waste heat recovery from the primary reformer of ammonia plant.
论述氨厂一段转化炉废热回收的必要性;