Generally speaking, fly ash is the ash that has gone through the boiler furnace and steam generating bank sections. It is collected beneath the equipment in downstream hoppers, such as the air heater, economizer, precipitator, dust collector, baghouse, and so forth. Let’s take a closer look at how fly ash… Read More
No equipment in the fuel handling chain endures as much hardship as the ash handling systems that are set up in facilities around the world. Due to the intense temperatures and abrasive conditions of their environment, many ash handling systems fail to operate properly, which presents a problem for plant… Read More
Over the past eight years – beginning with a coal ash spill in Kingston, TN, in 2008 – there have been numerous incidents involving coal ash that made its way into the environment. Part of the reason is that many facilities have no use for coal ash, so they must… Read More
Two weeks ago, the U.S. House of Representatives approved a bill titled “Improving Coal Combustion Residuals Regulation Act of 2015”, a bill that seeks to change key regulations on coal ash handling put into place by the Environmental Protection Agency. Previously, the EPA set forth several regulations under their proposed… Read More
For years, wet bottom ash handling has been the standard for power plants throughout the world. Systems that use impounded hoppers or submerged scrapper conveyors have traditionally handled ash using water as a primary medium. Now, however, a growing emphasis on environmentally-friendly production has caused many power plants to reconsider… Read More
On December 22, 2008, a dike failure at a coal ash handling facility in Kingston, TN resulted in 5.4 million cubic yards of coal ash flooding into two nearby rivers and covering over 300 acres. The breach damaged or destroyed dozens of homes in what was the largest coal ash spill… Read More
Cliff Moss, VP for Materials Handling at ProcessBarron, detailed challenges and simple solutions for ash handling systems in the September issue of Biomass Products and Technology. His article “Biomass Ash Handling: Simplifying the Challenges” details common pitfalls and simple solutions that can improve reliability, reduce downtime and minimize maintenance costs. Article… Read More
