This standard specifies technical requirement, test method and test rules of high-pressure boiler-feed pump (hereinafter referred to as pump).
This standard is applicable to high-pressure boiler-feed pump use in sub critical, supercritical, ultra supercritical thermal generator set with the unit capacity of 200MW~1000MW. High pressure feed water pump of thermal generator set with the unit capacity of 50MW~135MW may refer to this standard.
Foreword
1 Scope
2 The normative references
3 Terminologies and Definition
4 Technical requirements
4.1 Structure and performance
4.2 Drive
4.3 Critical speeds
4.4 Balance, vibration and noise
4.5 Pressure-bearing parts
4.6.Impeller
4.7 Sealing ring and running clearance
4.8 Axle bearing
4.9 Packing seal
4.10 Rotating joint and base
4.11 Assemble and paint
4.12 Force and moment allowable to the pump connector
4.13 Materials
4.14 Minimum flow systems
4.15 Warm-up pump
4.16 Protections for the pump
4.17 Pump core
5 Test methods
5.1 Material test
5.2 Water pressure test
5.3 Performance test
5.4 Vibration test
5.5 Noise measurement
6 Test rules
6.1 Material test
6.2 Spares and assembling test
6.3 Performance test
6.4 Final test
7 Supply range of complete set and warranty period
7.1 Supply range of complete set
7.2 Warranty period
8 Marks, packing, transportation and storage
8.1 Marks
8.2 Packing and transportation
8.3 Storage
Annexes A
(Informative annex)
Data sheet of high-pressure boiler-feed pump
