pa1778data.pdf
pa1778data.pdf
pa1778data.pdf
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U.S. STEEL DUQUESNE WORKS<br />
HAER NO. PA-115<br />
(Page 80)<br />
approximately 10'-0" wide x 10'-0" long x 7'-0" high cast iron<br />
casing which encloses the rotor. The casing is divided<br />
vertically by diaphragms into separate compartments in which the<br />
impellers revolve, and horizontally along its centerline. The<br />
upper and lower halves of the casing are securely bolted and<br />
doweled together. Located at the bottom center of the blower at<br />
its southern end is a 66" diameter flanged air intake connection<br />
which is bolted to a 66" diameter air intake pipe. Air is drawn<br />
into the blower through the hooded air intake pipe which runs<br />
vertically alongside the outside south wall of the building at<br />
its eastern end. Located at the bottom center of the blower at<br />
its northern end is a flanged 42" air discharge connection. The<br />
compressed air is taken from this connection through a 42"<br />
diameter pipe which runs horizontally along the outside of the<br />
building's south wall to a pipe bridge where it is connected to<br />
the cold blast main.<br />
d. Drive Shaft: The approximately 6" diameter drive<br />
shafts from the turbine and blower are connected together at the<br />
center of the turboblower by a flexible coupling.<br />
2. Turboblower Number One Lubrication System: Located on the<br />
floor of blow engine house number two underneath the turbine is<br />
the lubrication system for turboblower number one. Manufactured<br />
by the Bowser Company of Fort Wayne, Indiana, the lubrication<br />
system consists of two oil coolers, two strainers, an oil<br />
conditioner, and a 1/2 hp motor connected to a oil recirculating<br />
pump. Installation Date: 1951.<br />
3. Turboblower Number One Surface Condenser: The<br />
approximately lO'-O" wide x 23'-0" long x 8'-0" high Ingersoll -<br />
Rand surface condenser is bolted to turboblower number one at its<br />
72" diameter, flanged exhaust steam connection. Laid out on a<br />
north-south axis, the centerline of the condenser is located 12'-<br />
5" from the floor. It consists of a cast iron shell enclosing a<br />
large number of 1/4" diameter tubes. Located on the western side<br />
of the surface condenser near its northern end is a 18" diameter<br />
flanged inlet and a 18" diameter flanged outlet connection for<br />
the service water passing through the tubes. Two 4" diameter<br />
flanged connections for the purpose of condensate removal are<br />
located on the underside of the surface condenser shell near its<br />
centerline.<br />
Installation Date: 1951.<br />
a. Air Ejectors: Attached to the surface condenser of<br />
turboblower number one on its eastern side near its centerline<br />
are two Ingersoll - Rand, Series M, Steam Jet Air Ejectors. Laid<br />
out vertically, each 3'-3 9/16" long ejector has a 2" screwed