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VI. Gas Cleaning Facilities: U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 197) A. Quenchers: One 11'-5" wide x 18'-3" long x 10*-6" deep pyramidal shaped spray water quencher is located 25'-0" north of each furnace on the BOP shop's furnace aisle flux storage floor. Installation date: 1963. B. Rough Gas Mains: One 12'-0" diameter rough gas main extends from the bottom opening of each quencher. Each rough gas main runs in a northerly direction from its respective guencher before tying together into one 12'-0" diameter pipe which passes through the north wall of the building at an elevation of approximately 110'-0" above grade. The pipe continues to travel in a northerly direction for a distance of 340'-0 11 before it enters a tee on the roof of the gas quencher pump house. From the tee, the gas is directed downwards into the top of the dual Venturi washers located inside the pump house. Installation date: 1963. C. Gas Quencher Pump House: Laid out on a east-west axis, the ^. gas quencher pump house is located 34O'-0" north of the BOP shop, ^p The 28'-0" wide x 60'-0" long, five story, steel framed building is divided into three bays. It has a corrugated metal exterior and a flat roof. Construction date: 1963. Construction of 20 f -3" extension to eastern end: 1976. 1. Gas Quench Pumps: Two Wilson-Snyder 900 gpm gas quench pumps, each powered by a 200 hp motor, are located in the western bay on the ground floor of the pump house. Installation date: 1963 2. Slag Slurry Transfer Pump: See IX - B below. 3. Standpipe: See IX - A below. 4. Gas Cleaning Plant Office: The office is located on the ground floor in the building's eastern bay. A schematic panel board showing the steps in the gas cleaning and water treatment processes is located along its southern wall. Construction date: 1963. 5. Dual Venturi Scrubbers: One set of 276,760 cfm capacity dual venturi scrubbers, manufactured by the American Air Filter Company, is located in the eastern and western bay of the building on its fourth floor. The brick-lined gas scrubbers are designed to receive rough gas at temperatures up to 185 degrees Installation of dual venturi scrubber in western bay: 1963.
• U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 198) Installation of dual venturi scrubber in eastern bay: 1976. D. Gas Cooling Towers: One tile-lined gas cooling tower, manufactured by the American Air Filter Company, is located just north of each dual venturi scrubber. Each tower is connected to its respective dual venturi scrubber by a flooded elbow. The tower associated with the scrubber in the western bay of the gas quencher pump house is 29*-0" diameter x 103'-3" high. It is designed to receive gas at 386,000 cfm and to cool the gas down to 110 degrees F. The tower associated with the scrubber at the eastern bay has a diameter of 22'-0" and is 84'-6" high. It is designed to receive gas at 146,000 cfm and to cool the gas down to 110 degrees F. Installation of gas cooling tower north of western bay: 1963. Installation of tower north of eastern bay: 1976. E. Gas Washer Pump House: Laid out on an east-west axis, the gas washer pump house is located just north of the gas quencher pump house. The 28'-0" wide x 60'-0" long, one story steel framed building is divided into two equal bays. Each bay is built around the bottom cone of the gas cooling towers. The steel framed building has a corrugated metal exterior. Located in the western bay of the pump house are three 125 hp motor-powered Wilson-Snyder cooling tower water pumps rated at 5500 gpm, and two 150 hp motor powered Allis-Chalmers venturi recycle pumps rated at 3300 gpm. The eastern bay of the pump house contains two 12 5 hp motor- powered Wilson-Snyder cooling tower water pumps rated at 5500 gpm, and one 150 hp motor-powered Allis-Chalmers venturi recycle pumps rated at 3300 gpm. Construction of original pump house: 1963. Construction of 30'-0" extension to eastern end: 1976. Installation of equipment in western bay: 1963. Installation of equipment in eastern bay: 1976. F. Fans and Stacks: Connected to the outlet pipe of each gas cooling tower is an American Air Filter Company manufactured, motor-powered fan and stack. The fans blow the clean gas travelling through the downcomer outlet pipes of the gas cooling towers up through the stacks and into the atmosphere. The stack associated with each gas cooling tower has a g'-O" diameter and is 151'-0" high. Installation of fan and stack associated with the western gas cooling tower: 1963. Installation of fan and stack associated with the eastern tower: 1976.
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Installation Date: 1955. U.S. STEEL
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cooling tower has a capacity of 190
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dumped. Construction Date: 1957. U.
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