By Charles H. Drummond III
This factor encompasses a number of papers provided on the 71st convention on Glass difficulties, October 19-20, 2010 on the Ohio country college, Columbus, Ohio. subject matters comprise glass melting; glass technology, defects; safeguard; refractories; recycling; controls; and uncooked fabrics.
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Extra info for 71st Glass Problems Conference: Ceramic Engineering and Science Proceedings
This overall effect is directional radiation whereby the bright underside of the flame is preferentially directing thermal radiation downward toward the glass tank for high efficiency glass melting, while the radiation upward toward the crown is partially occluded by the sooty top layer. 71st Conference on Glass Problems • 25 Oxy-Fuel Conversion Reduces Fuel Consumption in Fiberglass Melting As the staging valve is opened more, the overall effect is enhanced by increased levels of staged oxygen: longer flame, lower NOx, lower momentum, and increased thermal radiation directed downward to the glass melt, as shown in Figure 5.
The oxygen flow is metered in a precise and often automatic ratio to the fuel flow. With an automatic system the control system continuously monitors supply parameters, to ensure that if unsafe conditions occur, the system alarms and achieves a safe state. Typically, pressure and temperature corrected mass flow is measured and controlled for both the fuel and oxidant, and a separate control loop is used for each burner. Figure 3 below depicts a typical control system for use with oxygen and natural gas.
Aqua Ammonia is injected upstream of the SCR and NOx is reduced as it reacts with the aqua ammonia on the surface area of the catalyst bed. The paper describes the AQC plant supplied by GEA Bischoff, and performance data are given. It should be noted that the NOx reduction stage is the first application in the US. 39 Integrated Air Quality Control System for Float Glass Furnace BACKGROUND After 30 years of production, Guardian Industries Corp. (Guardian) ceased operations to conduct their second cold tank repair.
71st Glass Problems Conference: Ceramic Engineering and Science Proceedings by Charles H. Drummond III