1、The Chinese version of standards has precedence to their English translations which are only for internal reference.本英文版为内部资料，仅供参考，以中文版为准。Maintenance and Service Procedure for Petrochemical Equipment Chemical EquipmentMaintenance and Service Procedure for High-speed Centrifugal Pump(高速离心泵维护检修规程)SHS
2、03044-92(For Trial Implementation)Promulgated by SINOPECSINOPEC Publishing House1Contents1. General 2. Period and Content of Maintenance3. Maintenance and Quality Standard 4. Trial Running and Acceptance5. Service and Troubleshooting21. General 1.1 Subject content and applicable scope1.1.1 Subject c
3、ontentThis Procedure specifies the period and content of maintenance, maintenance and quality standard, trial running and acceptance and service and troubleshooting for high-speed centrifugal pumps.1.1.2 Applicable scopeThis Procedure is only applicable to the maintenance and service of Type LMV/BMP
4、-311, LMV-331 and LMV-322 high-speed centrifugal pumps. 1.2 Reference documents for compilationa. SHS 01002-92 “Management System of Lubrication of Petrochemical Equipment”;b. SHS 01003-92 “Vibration Standard for Rotating Petrochemical Machinery”;c. SHS 01028-92 “Maintenance and Service Procedure fo
5、r Variable Speed Motor”;d. SHS 03059-92 “Maintenance and Quality Standard for General Parts of Chemical Equipment”;e. Technical documents supplied with the equipment;f. HGJ1023 “Maintenance and Service Procedure for High-speed Pumps used in Chemical Plant”.2. Period and Content of Maintenance2.1 Per
6、iod of maintenance (refer to Table 1)Table 1 MonthCategory of Maintenance Minor Maintenance Medium Maintenance OverhaulPeriod of Maintenance 6 12 36Note: The period of maintenance may be adjusted appropriately with complete monitoring devices and approval of relevant management.2.2 Content of mainte
7、nance2.2.1 Minor maintenancea. Check and clean oil circuit, cooling liquid pipeline, oil cooler and heat exchanger for cyclone separated liquid;b. Replace oil filter and change oil.c. Check oil seal;d. Align coupling.2.2.2 Medium maintenance3a. Contents of minor maintenance are included;b. Clean the
8、 pump chamber, diffuser, cyclone separator and seal liquid system;c. Check the erosion of impeller and inducer, check for any crack on the surface;d. Repair the leaks of mechanical seal;e. Check the displacement of high-speed shaft;f. Check and clean the spline shaft and change grease.2.2.3 Overhaul
9、a. Contents of medium maintenance are included;b. Check the wear of low-speed shaft, intermediate shaft and bearing, if necessary, replace them.c. Check the wear of high-speed shaft journal and bearing bush, if necessary, replace them.d. Check the wear of gear;e. Dynamic balancing tests shall be car
10、ried out for the repaired or replaced impeller, inducer and high-speed shaft assembly.f. Check and repair the lubrication oil pump;g. Disassemble the seal cavity and check the wear of parts for each section.3 Maintenance and Quality Standard3.1 Preparation before dismountinga. Check the technical an
11、d operating conditions of equipment and the monitoring records, analyze the causes of failure and location and work out a detailed technical scheme for maintenance; b. Get familiar with the design drawings and technical documents;c. Get ready the tools, measuring tools and clamping apparatus necessa
12、ry for maintenance;d. The replacement parts necessary for maintenance shall conform to the design requirements;e. Construction can be commenced only after the processes such as deenergizing, emptying and displacement are completed according to regulations, the maintenance conditions are ready and th
13、e maintenance safety permits are obtained.f. For unstated matters related to the safety of maintenance operation, relevant stipulations of “Management System of Safety in Production of China Chemical and Petroleum Corporation” shall be implemented.3.2 Dismounting and Check3.2.1 Pumpa. Dismount the pipelines of oil circuit, seal liquid and cooling system
