Continental AG Manufacturing Facility By: Sam Goodson, Kevin Lis, Todd Hull
Tank Specifications Clean tank: 12’x20’ 1/8” thick, on top of facilities roof Fill/empty time: 5.5 hours (1 work shift) Reservoir tank: 4’x11’ ½” thick, inside machining area Fill/empty time: 30 mins Dirty tank: 7’x16’ 1/10” out front next to driveway Fill/empty time: 1.5 hours Constant flow rate, based on design constraints in Dayton, Ohio High-density Polyethylene
Blind Flange Specifications A36 Steel 1.5” diameter 0.0121” min. thickness 3 bolts 1/16” bolt diameter 138 psi acting on the flange http://www.portlandbolt.com/products/bolts/structural/
Pipe System Layout Section 1: Train car to Clean tank: 73’ of pipe, 1 pump, 4 elbows, 2 valves Section 2: Clean tank to Reservoir tank: 626’ of pipe, 0 pumps (gravity fed), 1 elbow, 2 valves Section 3: Reservoir tank to Dirty tank: 407.5’ of pipe, 1 pump, 4 elbows, 2 valves Section 4: Dirty tank to reclaim truck: 14’ of pipe, 1 pump, 3 elbows, 2 valves
Hydraulic Analysis Section 1: Suction line – Total energy losses: 8.651 ft Discharge line – Total energy losses: 19.844 ft Section 3: Suction line – Total energy losses: 9.470 ft Discharge line – Total energy losses: 77.925 ft Section 4: Suction line – Total energy losses: 8.522 ft Discharge line – Total energy losses: 6.728 ft
Pump Heads Section 1: 1 pump, Pump head = 61.495 ft Section 2: 0 pumps
Pipe Wall Thickness Section 1: Max. operating pressure = 21.098 psi Pipe wall thickness = 0.145in Section 2: Operating pressure = 0 gage (gravity driven) Pipe wall thickness = 0.154in Section 3: Max. operating pressure = 37.8 psi Section 4: Max. operating pressure = 6.411 psi
Water Hammer Issues The pipes selected can withstand the over-pressures (no water hammer issues) Sections 1,3 & 4: Dp = 589 psi Section 2: Dp = 252 psi
Wind Load/Tank Weight Clean tank: Wind load = 2,949.25 slugs/ft Weight = 2,788.5 lbf Reservoir tank: Wind load = 0 (inside facility) Weight = 1,927.04 lbf Dirty tank: Wind load = 1,376.36 slugs/ft Weight = 1,038.78 lbf
Open Channel Flow Rectangular cross-section Flow rate of 100 gal/min Depth: 3.5 in Width: 7 in Located 1,000 ft off to the right of the plant
Supports/Instruments 24 supports on top of the roof every 25.2 ft with roughly 2 lbf acting on each support (less than 1% deflection) Mercury manometer used to measure the flow of the pressure differential 1” Flow nozzle diameter 0-8” Manometer scale
Pump Characteristics Section 1: 1.5 x 3 x 9 60Hz 1800rpm Radial flow pump 8.38” impeller 44% efficiency Power = 0.731 hp Point of Operation: 48.9gpm 60ft pump head Section 3: 1.5 x 3 x 11.5 60Hz 1800rpm Radial flow pump 9.75” impeller 37% efficiency Power = 1.23 hp Point of Operation: 48.3gpm 97ft pump head Section 4: 2 x 3 x 7.5B 60Hz 1800rpm Radial flow pump 5.25” impeller 53% efficiency Power = 0.33 hp Point of Operation: 46gpm 23ft pump head
Electrical Motor Requirements 1.10 times the power required by the pump (for the point of operation) Section 1: Power = 0.767 hp Section 3: Power = 1.22 hp Section 4: Power = 0.276 hp *Power will vary based on points of operation
NPSH Section 1: NPSHr = minimum of 6.018 ft *These values account for worst case scenario i.e. highest ambient temperature
Design Layout