合成氨装置透平压缩机组原机械调速系统存在调速精度不高、容易出现故障、存在安全隐患和操作不方便等问题,特别是透平压缩机组机械调速系统不能与合成氨装置的DCS集散控制系统联机进行闭环控制。应用康吉森TS3000透平压缩机组综合控制系统(ITCC)对合成氨装置透平压缩机组原机械调速系统和相应的控制油路进行改造,实现全电子调速以及透平压缩机组与合成氨装置DCS的自动化控制和安全联锁。改造后,实现0—100%全程无级调速控制。确保了机组在过临界转速(3000~7500r/min)时的安全运行。
The original turbine compressor unit mechanical speed control system of ammonia plant has problems of low speed control accuracy, often malfunctioning, potential safety hazard and inconvenient operation. Particularly, turbine compressor unit speed control system cannot connect with DCS of ammonia plant to carry out closed loop control. The Consen TS3000 integrated turbine and compressor control system is used to revamp turbine compressor unit speed control system of ammonia plant, along with relevant the control system of oil circuits. Full electric speed control are achieved, as well as automation control of turbine compressor unit and DCS of ammonia plant and safety interlock. After renovation, 0 - 100% whole process stepless speed regulation control is realized and safe operation of the unit is ensured at critical rotating speed (3 000 -7 500 r/min).