The Research On Spiral Groove Dry Gas Seal

The centrifugal compressor is the fluid pressure tool,in the national economy of various fields play a key role.Its sealing performance will have a direct relationship with the quality,and even affect the whole workshop,factory production.Therefore,it is necessary and practical economic value to study the research and choose the appropriate seal form..Spiral groove dry gas seal is a new non-contact seal,the seal gas or liquid medium in rotating machines.Compared with other seal,Spiral groove dry gas seal has less leakage,less wear,long life,low energy consumption,simple operation,maintenance,and the fluid is sealed and not contaminated by oil and so on..The reliability and the economy of the Spiral groove dry gas seal use has been demonstrated by many engineering examples.This paper in grasping the centrifugal compressor seal technology development status,draw lessons from other enterprises based on the successful experience,according to plant unit structure characteristics,technological characteristics,dielectric leakage degree requirements are different,and the floating ring seal,cone floating ring seal,pumping inflator labyrinth seal,mechanical seal,Spiral groove dry gas seal of their respective characteristics,of centrifugal compressor sealing problem of comprehensive analysis of suitable for every unit the best and reliable sealing technology,implementation of the technological transformation of localization,reduce the production cost,can meet the requirements of the long-term stable operation of the unit production,has achieved remarkable economic and social benefits.