Because of the long-term operation and equipment aging

# 1 and # 2 2 8sh-6J type pump of Liaoning eastern power company gold pump station have some problems

such as bottom valve jams often exist entry

bushing wear

packing defects such as leakage

lead to the low output or not working

a serious threat to the normal safe and stable operation of unit.Analyzing showed that packing seals of 8sh-6J type water pump need to be replaced by mechanical seal.Improved process has been described

and changes to projects of technological solutions are searched.At the same time

improvement reasons

approach and effect are analyzed.Based on practical application

the reliability of transformation is established.