METHOD FOR CHANGING STEAM PATH OF STEAM TURBINE

摘要

The present invention relates to a method to change a steam path of a steam turbine. According to an embodiment of the present invention, provided is the method to change the steam path of a steam turbine comprising: a step of eliminating an extraction tube and a valve; a step of eliminating an upper case; a step of eliminating a first upper housing; a step of eliminating a first rotor; a step of eliminating a first lower diaphragm; a step of eliminating a first lower housing; a step of arranging a second lower housing; a step of welding the extraction tube and the valve; a step of coupling a second lower diaphragm; a step of arranging a second rotor; a step of coupling a second upper housing; and a step of coupling an upper case.