Page 50 - Steam Turbines--Design, Applications, and Rerating by Heinz-Bloch, Murari-Singh
P. 50
Turbine Casing and Major Stationary Components 31
(b)
(a)
(c)
Figure 2.2 Adjusting devices for accurately locating turbine-internal components: (a)
eccentric pin for aligning internal conponents; (b) fitted eccentric pin; (c) adjustment
directions. (Siemens Power Corporation, Milwaukee, Wis. and Erlangen, Germany)
turbine casing. This is illustrated in Fig. 2.2. Except for a few occa-
sional special designs, turbine casings are generally horizontally split
and designed to provide reliable, leak-free operation with metal-to-
metal joints, moisture drainage provisions, and multiple casing inspec-
tion openings.
For additional information on moisture drainage provisions, please
refer to Sec. 12.5 on Erosion.
