Natural Gas Conversions of Existing Coal-Fired Boilers

Natural Gas Conversions of Existing Coal-Fired Boilers By F.J. Binkiewicz Jr., PE; R.J. Kleisley; B.E. McMahon; J.E. Monacelli; D.A. Roth; and D.K. Wong Electric utilities are always searching for ways to minimize costs, improve availability, and reduce emissions. Recent changes in the price of natural gas have made that fuel economically attractive, and it has […]

Innovations in Air Heater Design Produce Performance and Reliability Improvements

Innovations in Air Heater Design Produce Performance and Reliability Improvements By Stephen K. Storm; John Guffre, PE; and Andrea Zucchelli, PhD (Courtsy of  Coal Power Mag) Advancements in air quality control system design and sootblower technology have allowed the power industry to become more fuel flexible—but, in some cases, at the expense of plant reliability. […]

Improve Furnace Reducing Atmosphere Using Fuel Air Ratio Control

Improve Furnace Reducing Atmosphere Using Fuel/Air Ratio Control By Bill Kirkenir and Dave Earley The Asheville Plant, owned by Progress Energy, consists of four units that produce 700 MW near Arden, North Carolina (Figure 1). Unit 2 is a Babcock & Wilcox front-fired reheat boiler with a maximum continuous rating (MCR) steam flow of 1,378 […]

One of the World’s Largest Coal-to-Olefins Gasification Units Starts Up in China

The gasification unit at one of the world’s largest coal-to-olefins projects successfully started up at the China Shenhua Coal to Liquid and Chemical Co. Ltd.’s project in Baotou, Inner Mongolia (Shenhua Baotou Coal to Olefins project). The gasification unit uses advanced coal gasification technology provided by GE (NYSE:GE). The gasification technology converts coal into a […]