论文部分内容阅读
介绍了气相法聚丙烯装置催化剂进料系统,针对工艺介质含有固体催化剂颗粒的特点,选用下展式釜底阀、隔膜密封压力仪表、直管科氏质量流量计,并且对仪表安装方式进行优化,实现了仪表系统的无死区设计,取得了较好的应用效果。
聚丙烯装置催化剂进料系统的仪表工程设计
【摘 要】
：
介绍了气相法聚丙烯装置催化剂进料系统,针对工艺介质含有固体催化剂颗粒的特点,选用下展式釜底阀、隔膜密封压力仪表、直管科氏质量流量计,并且对仪表安装方式进行优化,实现
【机 构】
：
中国天辰工程有限公司仪表电气部
【出 处】
：
化工设计通讯
【发表日期】
：
2019年7期
其他文献
Objective To investigate the expression of cyclooxygenase-2 (Cox-2) and microvessel density (MVD) in benign and malignant pheochromocytomas, and the relationshi
Bland-White-Garland syndrome is a rare syndrome with anomalous origin of the left coronary artery (LCA) arising from the pulmonary artery, resulting in left ven
一些学生很讨厌学习英语，甚至出现消极和逆反心理，这对大学英语教学有极大的影响。因此，必须根据学生的实际情况分析形成这种消极和逆反心理的原因，并找出相应的解决方法和措施。
<正>A broad range of neurological complications of chronic heroin abuse has been identified.These complications often involve the central nervous system in the
A 27-year-old female patient with mediastinal abscess and thoracic empyema developed from angina tonsillaris was studied clinically on the manifestations, compu
<正>Objective To evaluate the effectiveness of ESWL for treating patients with cystine calculus. Methods Of 31 patients, 20 were subjected to ESWL only, 6 were