pa1778data.pdf

U.S. STEEL DUQUESNE WORKS
HAER NO. PA-115
(Page 58)
rectangular trough encircling the stack above the 6" diameter
circle pipe performed the same function before passing the waste
water to two 6" diameter pipes leading to the sewer. Coolers
which are fit inside of each furnace's cinder notch and tuyeres
were supplied by a 2" diameter high pressure water line running
from the main plant pump house.
Installation of cooling water facilities at blast furnace
number one: 1973.
Installation of cooling water facilities at blast furnace
number three: 1971.
II. Blast Furnaces:
A. Blast Furnace Number One: The centerline of blast furnace
number one is located 52'-0" east of the eastern wall of the
stockhouse and 117'-6" south of the northern edge of the ore
yard. The height of the furnace is 99'-1" from the bottom of the
hearth to the top of the stack. The diameter of the hearth is
20'-0". The distance between the hearth line and the bosh line
is 10'-3". The furnace sits on a 26'-0" diameter x 10'-6" deep
ceramic bottom block, the top of which is located 4'-3" below the
floor line of the cast house. The furnace has a working volume
of 25,821 cubic feet. Encircling the furnace's hearth are twelve
equally spaced 18" diameter tuyere openings. The tuyere openings
are located 9'-9" above the bottom of the hearth- The iron notch
is located on the eastern side of the furnace, 2 f -9" above the
bottom of the hearth. The slag notch or "monkey" is located 90
degrees from the iron notch on the northern side of the furnace,
6'-7" above the hearth bottom. The furnace shell is 7/8" thick.
The S'-O" thick lining between the furnace shell and the
circumference of the hearth is made up of carbon brick
manufactured by the National Carbon Company. The furnace bosh
and stack is lined with several courses of fire brick
manufactured by the American Fire Clay Company.
Original construction date: 1896.
Last furnace relining: 1973.
Retired: 1982.
B. Remains of Blast Furnace Number Two: The remains of blast
furnace number two are located 293*-3" directly south of blast
furnace number one. The remains consist of the hearth portion of
the furnace shell and the concrete pad upon which it sits.
Original construction date: 1896.
C. Blast Furnace Number Three: Blast furnace number three is
located 238 , -9" south of blast furnace number two. The height of
the furnace is 101'-0 1/2" from the bottom of the hearth to the
top of the stack. The hearth diameter is 23*-0". The distance
between the hearth line and the bosh line is 11*-8 1/2". The