January 17, Anqing Petrochemical Electric Instrument Maintenance Center successfully replaced SS602 substation 1 # power UPS fan to ensure safe and stable operation of the device.
As early as December 20, 2017, the workers of the Refining Test Class at the Electrical Maintenance Center of the Electrical Instrument Department found that the No. 1 power UPS in the SS602 substation of the Refining New Area made more noise and the noise was obviously increased when it was opened. # Power UPS is mainly responsible for the catalytic main fan 2 # auxiliary pump, catalytic pressure 2 # auxiliary pump, ammonia press K-241A / B / C cabinet power supply and catalytic reforming a number of key valves and analyzers do not Intermittent power supply task.After investigation, because one UPS internal rectifier / inverter motherboard fan jamming, if not timely maintenance, will cause UPS internal components overheating damage, may result in UPS load loss, affect the device production, need Remove and replace as soon as possible
Electrical maintenance center will immediately report the situation, electric instrument department leaders learned that the matter attaches great importance to the second refining, maneuver Department, the Ministry of Production and other units held an analysis meeting, to develop solutions to ensure that no impact on the installation system In view of the UPS fan is approaching the service life cycle, after analysis and discussion, decided to replace other fans of the UPS at the same time.The maintenance is responsible for the Electrical Instrument Maintenance Center, UPS equipment manufacturers Sokolm Masahiro Intelligent Electric Co., Ltd. To be technical cooperation.
On the 17th, the electrical inspection and repair center started overhauling the construction, and before the overhaul, the center's oil refinery test class personnel fully understand the operation and working contents of the overhaul equipment, understand the performance and danger of the equipment again, become familiar with its safe operation method and ensure the operation foolproof. During the inspection and repair, we strictly abide by the safety management regulations, conscientiously handle all kinds of safety operation permit procedures and non-ticketless operations. The refinery test class also clearly defined the scope of maintenance and repair, set safety barriers, Work area separated to prevent running the wrong maintenance interval, maintenance equipment, clear power outage and the installation of ground wire, hanging 'No closure, someone working' signage. Overhaul work, the scene by a dedicated command, a person responsible for the operation, to ensure that updates Parts of the external terminals are solid and reliable wiring, wiring is completed, they again check for poor contact, loose phenomenon; the same time check the UPS plug-in connection, the problems that may arise, give top priority to the timely disposal.
On the afternoon of the 17th, the center's refinery test staff successfully completed the replacement of 11 UPS fans.
