Application the hydraulic proportional technology in revamping RH vacuum smelting ladle hoisting
QIU Ming-jun
GUO Xing-liang
ZHANG Yong-feng
CHEN Guo-fang
Abstract：This paper briefly introduces the hydraulic proportional control technology , combining with the engi-neering practical problems in RH vacuum smelting ladle hoisting system , put forward the optimization proposal and implementation of the successful renovation .This renovation has the benefits as low cost , convenient instal-lation, reliable operation, maintenance facility, low running cost, and can compensate the error independently during system running .
Keywords：hydraulic proportional control technologyproportional valvevacuum smeltingRH ladle hoisting
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 7-10 )